75results about How to "Easy to fix" patented technology

A compression or support stocking encases a human leg. The stocking has a first understocking and a first overstocking, each with a leg section and a foot section, which can be worn over each other, wherein the understocking has a continuous pressure progression in the area between measuring points B and B1, and the pressure at measuring point B1 amounts to 90%-100% of the pressure at measuring point B. The compression or support stocking can be used for treating Ulcus cruris venosum.

The invention provides a static contact and a high-voltage switch, wherein the static contact comprises a static contact seat and a conductive contact finger installed on the static contact seat, theconductive contact finger is provided with an insertion hole for a moving contact to be inserted and also comprises an arc striking ring shielded above the conductive contact finger, and an inner holeof the conductive contact finger is used for being coaxial with the insertion hole so as to allow a moving contact rod to pass through. The static contact also comprises an arc suppression coil surrounding the outer side of the conductive contact finger, one end of the arc suppression coil is electrically connected with the arc striking ring, the other end of the arc suppression coil is electrically connected with the static contact seat, and an arc suppression magnetic field is generated when a current passes through the arc suppression coil. A shielding cover is fixed on the static contactseat and sleeves the arc suppression coil, the outer edge of the arc striking ring is arranged in a rounded corner manner, the upper end of the shielding cover extends to the lower side surface of thearc striking ring, the peripheral surface of the shielding cover is flush with the outer side surface of the shielding cover, and the arc striking ring and the shielding cover form an equipotential surface together, so that the internal electric field of the static contact can be balanced.

A fixing device for a corn ear experiment or bare hand threshing comprises a base plate and a clamp body installed on the base plate. The clamp body is provided with two opposite side plates, multiple side plate holes are distributed in the two side plates in a uniformly spaced mode, a fastening bolt used for fixing a corn ear is installed in each side plate hole, and each fastening bolt is sleeved with nuts which are located on the inner face and the outer face of the corresponding side plate respectively and used for fixing the fastening bolt to the corresponding side plate. The fixing device is used for fixing the corn ear during the experiment, can fix the corn ear firmly and facilitates measurement and other experiment operations on the corn ear; when the corn ear is threshed with a bare hand, the fixing device can avoid injuries of a threshing tool to the hand; the fixing device has universality and can be used for fixing other crops conveniently so that the experiment operations can be conveniently conducted.

The invention belongs to the technical field of cast-in-place pile construction, particularly relates to a construction process and method for a pore-forming cast-in-place pile of a rotary drilling rig, which aims to solve the problems of low construction efficiency of an existing construction method, incapability of quickly positioning a pile casing during construction, reduction of the stability of the pile casing and influence on the stability of a pile column. The following scheme is provided, and the method comprises the following process steps of (S1) drawing a drawing, and preparing equipment; (S2) cleaning a site, drawing lines and positioning; (S3) positioning and drilling; (S4) detecting drilling; (S5) burying a pile casing frame; (S6) installing the pile casing; (S7) mixing and adjusting concrete for later use; and (S8) pouring concrete. According to the construction process and method, pressure detection can be performed during hole digging, so that the service life of the rotary drilling rig is not influenced when hard objects are encountered for digging during hole digging; after hole digging, the pile casing frame is pre-buried first, and then the pile casing is fixed, so that the angle can be conveniently adjusted, the fixing is convenient, and the working efficiency is improved; and the pile casing frame is arranged, so that the stress area of the pile casing can be increased after concrete is poured.

The invention discloses a machine tool for producing parts of a flat seaming machine. The machine tool comprises L-shaped baffles, threaded handles, abutting plates, studs, a drill bit, a first fixing mechanism and butterfly nuts. When the machine tool for producing the parts of the flat seaming machine is used, firstly, a transmission rotating shaft blank needing to be machined is taken and placed between the L-shaped baffles and the abutting plates on a movable plate, then the butterfly nut of the first fixing mechanism is rotated, the positions of the L-shaped baffles can be adjusted through cooperation of the studs and kidney-shaped grooves, the L-shaped baffles are located under the drill bit when a transmission rotating shaft is in contact with the L-shaped baffles, then the butterfly nuts are reversely rotated, the L-shaped baffles are fixed, the operation is repeated, the L-shaped baffle of a second fixing mechanism is adjusted, then the threaded handles of the first fixing mechanism and the second fixing mechanism are sequentially rotated, under the cooperation of threaded sleeves, the threaded handles drive the abutting plates to abut against the outer side of the transmission rotating shaft, and therefore fixing of the transmission rotating shaft is completed.

The invention belongs to the technical field of edge sealing devices, and particularly relates to an edge sealing device for machining a MINI LED lamp backlight module. The device comprises a main frame, a positioning column, a sliding plate and a movable pipe, wherein a movable shaft is arranged on the inner side of the main frame; a connecting rod is arranged on the side of the movable shaft; amovable seat is arranged at the end of the connecting rod, a top plate is arranged at the end of the movable seat, a limiting rod is arranged at the top end of the top plate, a limiting groove is formed in the outer side of the limiting rod, a lead screw is arranged on the inner side of the top plate, a bearing is arranged at the end of the lead screw, a pressing plate is arranged outside the bearing, and a connecting rod is arranged on the side edge of the pressing plate. According to the edge sealing device for machining the MINI LED lamp backlight module, a user can conveniently change andadjust the angle of the backlight module, can conveniently fix backlight modules of different specifications and numbers, and can conveniently conduct automatic edge sealing on the backlight modules,the movement range of the device can be conveniently adjusted and fixed, and the user can conveniently disassemble, assemble and fix the device structure.

The invention discloses an electric spark machining device and electric spark machining tool based on a motion arc. The electric spark machining device comprises a rotating electrode unit, an electricenergy conveying unit, a liquid flushing unit and a spindle cooling unit, wherein the rotating electrode unit includes a rotating driving mechanism, a hollow spindle, a hollow connecting shaft and atubular electrode, the hollow spindle, the hollow connecting shaft and the tubular electrode are connected in sequence, the interiors of the hollow spindle, the hollow connecting shaft and the tubularelectrode form a medium channel, and the rotating driving mechanism is mounted on the hollow spindle of a spindle mounting seat in a driving mode; the electric energy conveying unit includes a directcurrent power supply, a protective resistor and a conductive sliding ring, the conductive sliding ring is arranged outside the hollow spindle in a sleeving mode, a cathode of the direct current powersupply is connected with the conductive sliding ring, and a positive electrode is connected with a workpiece through the protective resistor; the liquid flushing unit communicates with the hollow spindle through a rotating joint; and the spindle cooling unit communicates with a cooling cavity in the spindle mounting seat. The electric spark machining device can be applied to the field of electricspark machining, the stable arc of high-speed motion can be formed between the tubular electrode and the workpiece, and the motion arc can conduct high efficiency corrosion removing on the workpiece.

The invention discloses an engine packing box provided with a damping device. The engine packing box provided with the damping device comprises a box body, wherein a bottom plate for positioning an engine is arranged in the box body; fixing structures are arranged at two opposite sides of the bottom plate; the damping device is also arranged in the box body; a wooden board rack is arranged at thebottom end of the box body; each fixing structure comprises a mounting block, a circular rod and a plastic coating steel wire rope; two mounting blocks are fixedly connected to the bottom plate; the circular rods pass through the mounting blocks and are fixedly connected to the plastic coating steel wire ropes; a circular plate is arranged at one end of each circular rod; a cross concave port is formed in each circular disc; a plurality of through holes are radially formed in one end of each circular rod; locking holes which fit the through holes are formed in the bottom plate; and hinge pinssequentially penetrate the through holes and the locking holes to fix the circular rods. The engine packing box provided with the damping device has the beneficial effects that the engine can be conveniently fixed, and moreover, the engine is conveniently dismounted; and meanwhile, buffering devices are additionally arranged at two sides to protect the box body, so that the oscillation of the engine in transportation is reduced.

The invention provides crab breeding equipment suitable for a pond, which comprises a bottom plate provided with a mounting groove, and is characterized in that two sides of the bottom plate are connected with a top plate through symmetrically arranged fork frame devices. The upper end of the top plate is connected with a mounting plate through a plurality of connecting plates, and a driving device is mounted on the mounting plate. The lower end of the driving device is arranged in a stepped groove in the top plate in a penetrating mode, an upper end net opening fixing device is arranged on the stepped groove, the upper end net opening fixing device is connected with the driving device through a plurality of threaded rods distributed in an annular array mode, and a lower end net opening fixing device is further arranged at the lower end of the driving device. According to the crab breeding equipment suitable for the pond, the upper end net opening fixing device and the lower end net opening fixing device are used in cooperation, a purse net can be fixed conveniently, and foreign matter can be prevented from adhering to the purse net.

The invention relates to the technical field of electrical elements, and discloses an axial array type rectifier bridge stack; the axial array type rectifier bridge stack comprises a lower mounting shell, wherein an upper mounting shell is clamped on the top of the lower mounting shell; the top of the upper mounting shell is movably sleeved with four symmetric screws, and the bottoms of the screwsare in threaded connection with the top of the lower mounting shell; and a first frame, a second frame, a third frame and a fourth frame are clamped on the top of the lower mounting shell. Accordingto the axial array type rectifier bridge stack, by virtue of matching of the first frame and the second frame, and matching of the third frame and the fourth frame, the first frame and the third frameare connected with the second frame and the fourth frame respectively, and a first chip, a second chip, a third chip and a fourth chip are consistent in polarity arrangement, so that when a first jumper wire is connected with the first chip, the polarity of the first chip cannot be considered, so that the phenomenon of circuit damage is prevented.

A temperature control operation for a fixing device is performed based on a vertical synchronous signal Vsync periodically outputted in association with a cycling motion of an intermediate transfer belt. Furthermore, the temperature control operation provides a constant time difference Δt1 between a leading edge of the vertical synchronous signal Vsync and a start of energization of a heater. Therefore, a period of the vertical synchronous signal Vsync coincides with a period of the temperature control operation corresponding to each vertical synchronous signal Vsync. In addition, a constant time period is provided between the start of energization and an actual arrival of a recording medium at a nip and hence, the temperature of a heating roller can be maintained at an optimum level during the passage of the recording medium through the nip.

The invention relates to a mechanical life test tool and a test method. The mechanical life test tool comprises a fixed base which is provided with a test piece installation structure, a support frame which is fixed on the fixed base and equipped with a pushing piece on the support frame in a guiding manner, a cam shaft used for being clamped on a main shaft of the rotary machine tool, and a cam body which is fixed to the cam shaft and used for being matched with the end face of the pushing piece and pushing the pushing piece to act during rotation. The test method comprises the following steps of: step 1, fixedly mounting a to-be-tested component on the fixed base, and fixing the fixed base on a tool rest or a workbench of the rotary machine tool; secondly, clamping a cam on the main shaft of the rotary machine tool, so that the cam is made to be matched with a pushing piece assembled on the fixed base in a guiding mode; and step 3, driving the cam to rotate by means of the main shaft of the rotary machine tool, and pushing a self-resetting movable part on the to-be-tested component through the pushing part. According to the mechanical life test tool and the test method, the problems of high cost and long period of mechanical life test in the prior art can be solved.

The invention relates to a clamping method for anodization of large-scale wall panel component. A plurality of clamping lugs are arranged at a hanging edge of the component; each clamping lug is provided with a circular connecting hole; a plurality of metal hanging belts are provided; one end of each metal hanging belt is provided with a bend hook; the other end of each metal hanging belt is provided with a long circular limit hole; and the bend hookers of the metal hanging belts are hanged on a conductive bar. The component is fixedly connected to the long circular limit holes of the metal hanging belts through the circular connecting holes by using anti-skid pads and metal bolts.

The invention discloses a switching device of an all-solid-state high-voltage modulator. The switching device comprises a soleplate, a casing is mounted on the soleplate, the circumference of the casing is provided with installing holes which are positioned in the soleplate, the top of the casing is provided with a control signal input interface, the two sides of the casing are provided with radiating plates respectively, one side of the casing is provided with a signal input interface, the other side of the casing is provided with a signal output interface, the casing is internally provided with a master control panel, the two sides of the master control panel are provided with absorber plates respectively, the absorber plates are connected with heat conduction rods respectively, the other end of each heat conduction rod is connected with the corresponding radiating plate, the master control panel is connected with the control signal input interface, the signal input interface and the signal output interface, and the master control panel is provided with a high voltage transformation device, a switch tube and a driving circuit. The switching device plays a good heat radiation role, can provide high-voltage power source, and is simple in structure, convenient to use and low in cost.