30 results about "Bolt connection" patented technology

The invention discloses an automobile processing part clamping device with the good fixing performance. The part clamping device comprises a mounting base. Fixed lug seats are welded to the two ends of the two sides of the mounting base. Fixing bolts are connected to the outer walls of the tops of the fixed lug seats through threads. Bearing blocks are connected to the outer walls of the two sidesof the top of the mounting base through bolts. A horizontal lead screw is rotatably connected to the inner walls of the two bearing blocks. A second sliding block is connected to the peripheral wallof the lead screw through threads. The outer wall of the top of the second sliding block is connected with a hydraulic cylinder through bolts. The outer wall of the top of the hydraulic cylinder is connected with a mounting block through bolts. The outer wall of one side of the mounting block is connected with a servo motor through bolts. According to the part clamping device, a stepping motor isstarted, two first sliding blocks are driven to move to the middle to clamp a part through a first thread and a second thread with the opposite thread directions on the lead screw; the first sliding blocks are provided with magnets so that the part can be clamped more stably.

A spindle liner for a turning machine has an elongated polymeric member sized to fit within the inner diameter of a spindle and further has a bore through the polymeric member sized and shaped to receive a given size bar stock. The spindle liner may be installed within a spindle and bolted to a spindle flange by an adapter fixed to the spindle liner so that the spindle liner rotates with the spindle. The spindle liner attenuates noise and vibration of the rotating bar stock and eliminates whipping of the free end of the bar stock.

The invention discloses an energy dissipation property testing device of a bolting connection part, a testing method and a molding method; the testing device comprises a force tensile testing machine, an upper test piece, a lower test piece, a bolt, a strain gage, a bridge, a dynamic strain meter, a signal collecting system and a computer; the upper test piece is fixed with an upper clamp of the force tensile testing machine, and the lower test piece is fixed with a lower clamp of the force tensile testing machine; the upper test piece and the lower test piece are fixed through the bolt; the strain gage is placed in the bolt, and connected with the bridge; the bridge is connected with the signal collecting system through the dynamic strain meter; the force and displacement of the force tensile testing machine are sent to the signal collecting system through the force sensor and the displacement sensor respectively; the signal collecting system is connected with the computer and sends the testing data of the collected bolting combining part force, displacement and bolt pre-tightening force to the computer. The device is simple in structure, convenient to mount and dismount, and easy to repeat test, and solves the problem that the lagged non-linear property of the bolting combining part is hard to test.

The invention discloses a novel aluminum helicopter platform structure which comprises a horizontal frame and a helicopter deck, the horizontal frame is formed by connecting horizontal beams through bolts, the helicopter deck is formed by splicing deck plates, the helicopter deck is fixed to the horizontal frame through pressing plates and bolts, and the horizontal frame is connected with a steelbracket below the horizontal frame through bolts. Aluminum alloy sections are adopted to form a helicopter platform structure, all the aluminum alloy sections are connected through bolts, and weight reduction and convenient transportation are achieved under the condition that the overall strength requirement of the helicopter platform is met.

The invention relates to a positioning device for mounting a corrugated plate on a guardrail vertical column and a construction method of the positioning device. The positioning device comprises a limiting frame and a buckling rod; the limiting frame is arranged on an anti-collision block of the guardrail vertical column in a sleeving mode, the limiting frame is arranged on the side face of the guardrail vertical column in an attached mode, and the bottom of the limiting frame extends in a protruding mode to form a bearing face horizontally arranged and used for bearing the corrugated plate; and one end of the buckling rod is rotatably connected to the top of the limiting frame, a limiting face corresponding to the corrugated plate arranged on the bearing face is formed on the buckling rod, and the buckling rod is rotated to the limiting face to be arranged on the outer surface of the corrugated plate in an attached mode so as to clamp and fix the anti-collision block and the corrugated plate. The buckling rod fixed to the limiting frame is utilized to clamp the corrugated plate and the anti-collision block for temporary fixing, it is ensured that the positions of the corrugated plate and the anti-collision block are not changed in the subsequent bolt connection process, the positioning device needs to be demounted after connecting, and the problems that in the prior art, the self weight of the corrugated plate is high, manual carrying consumes the time and labor, the error exists in correcting of bolt holes, and the work efficiency of multi-person cooperative constructionis low are solved.

The invention provides a wave energy recycling device in order to recycle wave energy in the perpendicular direction of seawater. The wave energy recycling device mainly comprises an axial hollow float, an energy recycler and a special cable mooring device, wherein the energy recycler is connected with a float bolt through a bottom flange plate; an integrated rotary drum is supported by a conical roller bearing; an outer ring of the bearing is fixedly welded with a supporting ribbed plate; the rotary drum is connected with the supporting ribbed plate through a torsional spring; a rotating shaft of a power generator is connected with the rotary drum through a spline; a shell of the power generator is fixed on the ribbed plate through bolt connection; one end of a drum winding cable is knotted after passing through a through hole in a cable winding shaft of the rotary drum and is connected with the rotary drum in an energy recycling mechanism; and after the other end of the drum winding cable penetrates through a shaft hole in the float and a middle shaft hole of the special cable mooring device, the tail of the cable is knotted and locked. Two cable tying rings are welded on the special cable mooring device and are connected with a fixed cable of the float. When the seawater moves, waves enable the drum winding cable to vibrate up and down so as to rotate the rotary drum to drive the power generator to rotate, and conversion from wave energy of the seawater into electric energy is realized.

The invention discloses a translation turnover device for a vehicle-mounted GPS positioner. The translation turnover device comprises a base plate; four corners of an upper side panel of the base plate are connected with fixed discs through first bolts; the translation turnover device is provided with the base plate, a first side plate, a second side plate, a third side plate and a cover plate which are connected with one another to form a box shape, the GPS positioner is protected, in addition, the probability of scrapping, caused by the action of external force, of the GPS positioner is effectively decreased, and the anti-theft function remarkable in effect is achieved; and through a translation module composed of a first transverse rod, a second transverse rod, a third transverse rod and a translation mechanism in the translation turnover device, the GPS positioner can move without being disassembled, difficulties met by maintaining staff in the maintaining process are decreased, the translation module cooperates with a turnover module composed of a fixed frame and a turnover mechanism, so that the moving space of the GPS positioner is increased, and the maintaining staff can maintain the GPS positioner more conveniently and quickly.

The invention discloses a switch cabinet rapid assembly fixture. The switch cabinet rapid assembly fixture comprises a strip-type guide rail, bearing strip plates, hydraulic push rods, supporting square blocks, T-shaped sliding grooves, long bolts, T-shaped sliding blocks, first motors, first U-shaped plates, second U-shaped plates, second motors, first pneumatic push rods, electric push rods, a cross-shaped plate, a cross-shaped sliding hole, first clamping plates, strip-type steel plates, an I-shaped supporting plate, conveying belts, U-shaped strip frames, second pneumatic push rods, bearings, round rods, strip-type penetrating holes, second clamping plates, pulling plates, bearing seats, horizontal plates, micro motors, gears, circular tubes and threaded rods. The switch cabinet rapidassembly fixture has reasonable design, corresponding framework of a switch cabinet is erected conveniently in a three-dimensional distributed mode, the inconvenience of placing and distributing of switch cabinet framework plates during assembling is overcome, the switch cabinet rapid assembly fixture has the function of orderly and correctly assembling the switch cabinet framework plates used forseamed edge interconnection, facilitates performing rapid bolted connection or welding by an operator, and is suitable for rapid assembling of switch cabinet frameworks with different specifications,and the working efficiency is improved.

The invention discloses an assembly type bolted connection reinforced wood constraint buckling-restrained brace, comprising an inner core, a peripheral constraint part, a steel filler strip and a filling steel plate; the peripheral constraint part is formed by upper laminated wood and lower laminated wood which are connected by bolts, bolt holes are formed in the laminated wood, the steel filter strip is arranged between the upper and lower laminated wood, and the upper and lower laminated wood are connected into a whole by gluing pressurization; the buckling section and the transition section of the inner core are arranged in the peripheral constraint part, the filling steel plate is arranged between the buckling section of the inner core and the laminated wood of the peripheral constraint part, preformed holes are formed in the filling steel plate, a tiny gas is reserved between the buckling section of the inner core and the filling steel plate, and the filling steel plate is connected with the laminated wood of the peripheral constraint part by gluing pressurization. The brace can improve the ductility and the energy dissipating capacity of the support structure of a wood frame, and assembly type production can be carried out on the brace in a factory, so that field construction work load can be reduced, construction progress can be promoted, connection quality can be ensured, and structure installation is facilitated.

The invention relates to the technical field of clothes wholesale equipment, and discloses a packaging box used for clothes wholesale. The packaging box comprises a packaging box body, a first grooveand a first T sliding groove are arranged in the packaging box body, a partition board is arranged in the packaging box body, a sliding block matched with the first T sliding groove is arranged on theside wall of the partition board, a first through hole is formed in the upper side wall of the first groove, a first sliding groove is formed in the position, on the upper end of the first through hole, of the side wall of the first through hole, a second sliding groove is formed in the side wall of the first through hole in an opposite manner, a fixing device is arranged in the first through hole and comprises a bolt, the side face of the bolt is provided with a first sliding rail matched with the first sliding groove, the bottom of the bolt is in bolt connection with a cylinder extending into the first groove, a second sliding rail is arranged on the side face of the cylinder, a first clamping groove is formed in the upper side face of the partition board, through the partition board and the fixing device, the packaging box body has the function of clothes split charging and meanwhile, use is convenient.

The invention discloses an alveolar bone amplification device. The alveolar bone amplification device comprises a transverse amplification suite and a longitudinal amplification suite, wherein the transverse amplification suite is a ring-shaped structure made of a hyperostosis promoting substance and provided with a through hole at center; the transverse amplification suite is implanted into an alveolar bone of a human body; the longitudinal amplification suite can be made of a medical metal material which is taken as a human body implant; the longitudinal amplification suite comprises a fixed component, a regulating component and a lifting component, wherein the fixed component comprises a foundation bed and at least one bone screw for fixing the foundation bed on the side of the alveolar bone; the regulating component comprises a rotary base and an extending bolt longitudinally arranged on the rotary base; the rotary base is fixed on the outer surface of the foundation bed by a rotary joint and the fixed screw; the lifting component comprises a lifting plate and a bone screw; the lifting plate is provided with a first combination part and a second combination part which are connected with each other; the extending bolt is connected with the first combination part; the bone screw of the lifting component penetrates through the bone screw hole of the second combination part, and is locked in the alveolar bone and locked in the through hole of the transverse amplification suite in a penetrating manner.

An assembly table includes two first table leg frames, two second table leg frames and a table board. The two first table leg frames are clamped with the two second table leg frames. The two first table leg frames are further fixedly connected to the two second table leg frames via a hand bolt. When the assembly table is assembled, only adjacent first table leg frame and second table leg frame are clamped, and connected via a hand bolt. by clamping, relative positions of the first table leg frame and the second table leg frame may be defined. By connecting with the hand bolt, the first table leg frame and the second table leg frame are fixed for a second time.

The invention discloses a pipeline quick service sleeve joint, wherein two sealing rings and one pair of tapered claws are respectively sleeved on pipe mouths of connected pipes and arranged in tapered holes of a locking sleeve, the taper of the outer tapered surfaces of the claws is matched with the taper of the tapered holes of the locking sleeve, inner holes of the claws are matched with outer diameters of the connected pipes, a sealing cushion is arranged at a place where pipe mouths of the two connected pipes are abutted, and is clamped by the pair of claws, and a clamping member is arranged on the locking sleeve. The locking sleeve is of a cylinder structure, one end of the locking sleeve, which is far away from the pipe mouths, is provided with a cone chamfer; and the clamping member comprises two clamps with inner taper cavities, the taper of the inner taper cavities of the hoops is matched with the taper of the taper chamfer, and the two clamps are connected through a bolt. The sleeve joint has the advantages of reasonable structure, good sealing property, high connection strength, simpleness in manufacture, and convenience and rapidness in installation and maintenance.

The invention relates to an installing device, in particular to a high-safety decoration board installing device. The high-safety decoration board installing device can convey decoration boards to high positions conveniently, the conveying process is safe, and the cost is low. The high-safety decoration board installing device comprises a first supporting rod, a second supporting rod, a first gear, a first rotating shaft, a bearing seat, a second gear, a second rotating shaft, a first motor, a first rack, a second rack and the like. The top of a bottom plate is sequentially connected with a first sliding rail, the first supporting rod, the second supporting rod and a second sliding rail in a bolted connection mode from left to right. The high-safety decoration board installing device achieves the effects of conveying the decoration boards to the high positions conveniently, and being safe in conveying process, low in conveying cost and easy to operate.

The invention relates to a vehicular grab hook, which comprises an arch, a handle, a slide groove device and an end plate device, wherein the arch is slidingly connected with the slide groove device, the slide groove device is movably connected with a surface body of the handle, the slide groove device is movably connected with the inner side of the arch, the end plate device is slidingly connected with the slide groove device, the end plate device is connected with one end of the arch by a bolt, and the position of the arch is adjusted by the slide groove device. The vehicular grab hook has the advantages that the time and the labor are saved, more safety and convenience are realized, the adjusting is more reasonable according to the size of a vehicular cylinder, and more environment-friendly and energy-saving effects are realized by recycling.

The invention provides a filter pressing unit, which comprises a filter pressing cylinder, a piston arranged in the filter pressing cylinder and a connecting plate for supporting the filter pressing cylinder; the upper and lower adjacent filter pressing units are separated by a connecting plate, and the filter pressing cylinder is movably connected with the connecting plate positioned above the filter pressing cylinder through a connecting assembly; the connecting assembly comprises: a guide sleeve, which is connected with the filter pressing cylinder and is provided with an inner cavity, theaxis of which is parallel to the axis of the filter pressing cylinder; a connecting bolt, which is connected with the guide sleeve, has the head arranged in the inner cavity of the guide sleeve and the tail connected with a connecting plate located above the filter pressing cylinder, wherein the connecting bolt and the guide sleeve can relatively move in the axial direction of the inner cavity, and the head and the guide sleeve form axial limiting so that the connecting bolt and the guide sleeve cannot be separated in the axial direction; and a spring, which is sleeved outside the guide sleeve, and has one end propped against the filter pressing cylinder and the other end propped against the connecting plate positioned above the filter pressing cylinder. Balanced stress can be achieved during filter pressing, and the motion parallelism and perpendicularity of all parts of the filter pressing unit are guaranteed.

The invention relates to an assembly type concrete component mounting method which comprises the following steps: I, pre-embedding foundation bolts which get out of a reinforced concrete bottom platefoundation on four corners of a constructed reinforced concrete bottom plate foundation; II, arranging an outer edge plate at the lower end of a profile steel column, enabling the outer edge plate topenetrate through a first opening, separately welding the two adjacent side surfaces of the profile steel column to reinforcing steel bars in two wallboards, connecting an inverted-H-shaped beam on aposition, above the wallboards, of the profile steel column, separately filling light-weight aggregate concrete into the profile steel column and the wallboards for enabling the wallboards and the profile steel column to define a combined wallboard; step III, lifting prefabricated wallboards and the profile steel column onto the reinforced concrete bottom plate foundation, and splicing the foundation bolts into the first opening, connecting nuts on the foundation bolts through bolts for fixing the profile steel column; and IV, lifting a superposed board to a position above the combined wallboard for capping, and pouring concrete on the superposed board to form a superposed layer. The assembly type concrete component mounting method has the effects of being convenient in mounting and shortening a construction period.

The invention relates to an intelligent gasket manufacturing method based on functionalized micro-nano fiber micro-nano structured arrangement. The method comprises the following steps: putting micro-nano scale fibers into a matrix solution, and uniformly dispersing the fibers to obtain a precursor solution containing functionalized micro-nano fibers; putting the precursor solution into a gasket mold; naturally leveling the solution in the mold; applying a structured alternating-current electric field to the solution in the mold by using a signal generator and a structural interdigital electrode, so that the fibers in the solution are directionally/localizedly arranged under the action of electric field force; before the solution is solidified, introducing wires into the two ends of the mold; curing and molding the solution in a container, and completely fixing the arranged fibers and wires in a gasket; and demolding the cured material to obtain an intelligent gasket. When the intelligent gasket is applied to bolt connection and if the pre-tightening state of a bolt is changed, an output electric signal of the intelligent gasket is changed, and therefore the change of the pre-tightening force of the bolt is deduced. The method has the advantages of simple preparation process, high efficiency, accurate monitoring and the like.

The invention discloses a sweet potato vine collection device for agricultural production. The sweet potato vine collection device comprises a vehicle body, wherein a rectangular groove is arranged atone side of the outer wall of the bottom part of the vehicle body; the inner walls of two sides of the rectangular groove are connected with a same storage shell through bolts; the bottom parts of the inner walls of two sides of the storage shell are connected with a same horizontally-placed screen through tension springs; the outer wall of the bottom part of the screen is connected with a vibration motor through bolts; the inner walls of two ends of the vehicle body are connected with a same obliquely-placed electric conveyor belt through bolts; the circumferential outer wall of the electricconveyor belt is connected with equidistantly-distributed salvage hooks through screws; and the outer wall of one side of the bottom part of the vehicle body is provided with a mounting groove. According to the invention, through arrangement of a groove plate, sweet potato vines on soil can be moved to the top part of the groove plate; through arrangement of the electric motor, a belt and cuttingblades, the root parts of moved sweet potato vines can be cut off; and through arrangement of the electric conveyor belt and the salvage hooks, the sweet potato vines are conveniently collected by aworker, so the efficiency of working is improved.

The invention discloses a pesticide mixing device for crop planting fertilization, and relates to the technical field of crop planting fertilization, the pesticide mixing device comprises a supporting device, a rotating device, a connecting device, a mixing structure and a power device, the rotating device comprises a connecting seat, a first bolt, a connecting shaft, a connecting block, a second bolt, an outer frame, a wheel shaft and a first belt pulley; the plurality of connecting blocks are connected with the outer frame through the plurality of second bolts; the connecting shafts are rotatably matched with the connecting seats; one ends of the connecting blocks are connected with one surface of the connecting shafts; the wheel shafts are rotatably matched with the connecting seats; according to the pesticide mixing device, the material tank containing the pesticide mixture is installed in the rotating device, the belt wheel is driven by the motor to rotate, so that the connecting shaft and the wheel shaft are driven to rotate, the pesticide mixture in the material tank is fully mixed through rotation, and the purpose that the effect of the pesticide mixture on crops reaches the optimal effect is achieved.

The invention relates to the technical field of automobile parts, and specifically discloses a car tail gate electric opening and closing device with a straight built-in tension spring, which comprises a motor tube, an outer tube is arranged at the periphery of the motor tube, the motor tube is riveted with a motor end cover, the outer tube is riveted a spring seat, the spring seat is in bolt connection with a spring end socket, the motor tube is internally provided with a motor, the motor drives a screw rod to rotate, the screw rod is in transition fit with a bearing, the bearing is in interference fit with a bearing seat, the screw rod is in clearance fit with a feed screw nut, the feed screw nut is in threaded connection with a nut inner tube, the nut inner tube is in threaded connection with the spring seat, a tension spring is arranged at the periphery of the nut inner tube, and the two ends of the tension spring are fixedly connected with the bearing seat and the spring seat correspondingly. The car tail gate electric opening and closing device with the straight built-in tension spring has the beneficial effects that the car tail gate electric opening and closing device is mounted on each of the left and right sides of a trunk of a car, a small space is occupied, the spring is built-in, beautiful, and compact, the motor drives the screw rod to rotate to drive the nut inner tube to expand and contract so that expansion, contraction, opening, and closing of the whole device is realized, and electric opening and closing of a tail gate is quickly realized

The invention relates to an electric-driven regulation device manufactured by moulds. The electric-driven regulation device comprises a clamping and fixing base, wherein an expanding plate is arranged on the right end of the clamping and fixing base; the right end of the expanding plate is provided with a motor; a drive wheel on the output shaft of the motor is provided with a connection rod; a convex column is arranged on the middle part of the expanding plate; the upper end of the convex column is hinged to a regulation rod; two ends of the regulation rod are symmetrically provided with multiple equidistance holes; and the left end of the connection rod is connected onto one equidistance hole through a bolt. According to the electric-driven regulation device manufactured by the moulds, by arranging the regulation rod with the equidistance holes and the connection rod, an operator can select connection and fixing positions on the regulation rod according to the length of the connection rod; the function of fixing the connection rod at multiple positions is realized; and a linkage function between connection of the end of the regulation rod and connection of the parts on the base is favorably realized. The electric-driven regulation device is simple in structure and convenient for operation, and is economical and practical.

The invention provides an intelligent practical deep foundation pit steel support, and relates to the field of deep foundation pit construction, the intelligent practical deep foundation pit steel support comprises an anti-corrosion steel pipe, the left end and the right end of the anti-corrosion steel pipe are connected with intelligent hydraulic adjustable ends through connecting bolts, and the other ends of the intelligent hydraulic adjustable ends are connected into the side wall of a fixed end through connecting bolts; the steel support is convenient and safe to install in the construction process, the steel support is very practical for an ultra-deep and ultra-wide foundation pit, and the steel support is convenient to install, high in safety and high in practicability, and can be used for the construction of the ultra-deep and ultra-wide foundation pit, so that the construction efficiency is improved, and the construction cost is reduced. The device can be widely applied to surrounding complex environments such as coastal deepwater foundation pit supporting systems close to existing lines and high-rise buildings, is high in installation speed, visual in construction process monitoring and safe to disassemble, facilitates adjustment and optimization of a construction scheme through data analysis, and solves the problems that the supporting length cannot be adjusted, the hanging plate is prone to falling off, and disassembly is not safe.

The invention provides a novel rice screening machine which comprises a bottom plate, movable wheels, an installation sheet, a vibration control switch, a material suction control switch, a fixed protection power wire winding frame structure, an isolation protection rice isolation box structure, a cleaning protection rice cleaning frame structure, a protection box, a protection net, a vibration motor, a feed hopper, an installation pipe, an insertion rod, an adjusting bolt and a protection hole. The movable wheels are connected to four corner positions at the bottom of the bottom plate throughbolts; the installation sheet is connected to the right side of the front surface of the bottom plate through bolts; and the vibration control switch and the material suction control switch are sequentially embedded in the middle of the front surface of the installation sheet from left to right. Due to the arrangement of a fastening plate, a protection wheel, a fixing shaft, a connecting shaft, arocker rod, a handle and a locking piece, a power wire is favorably fixed; and due to the arrangement of a fixed seat, a storage box, an isolation net, a material suction pipe, a threaded pipe and amaterial suction pump, isolation of rice is facilitated.

The invention provides a special lifting appliance for mounting a large shell ring type protective cover. The special lifting appliance comprises a lifting rope assembly, a steel frame, a lifting assembly, a chain collecting box, a cross commutator, a transmission shaft and the cylindrical protective cover, the lifting rope assembly is connected with the steel frame; the cylindrical protective cover is provided with lifting points at intervals of 60 degrees along the circumference of the top of the cylindrical protective cover; a hoisting assembly and a chain collecting box are arranged at the hoisting point; the hoisting assembly is arranged at the tail end of the connecting rod; the head end of the connecting rod is connected with the steel frame through a bolt; the steel frame is provided with three parallel cross-shaped commutators. The three side-by-side cross converters are connected through a transmission shaft; the cross converters at the two ends of the three cross converters are connected with the hoisting assembly through transmission shafts; the cross converter in the middle is connected with a speed reducer arranged on the steel frame; the speed reducer is provided with an electromagnetic brake; and the power supply is arranged on the steel frame. According to the lifting device, six designed lifting points can synchronously ascend and descend, and the lifting and dismounting problems of the shell ring type shield are solved.