21 results about "Threaded pipe" patented technology

The invention relates to a process for machining a water-cooling plate of a high-power waveguide component, and provides a process for machining the water-cooling plate of the high-power waveguide component, which can guarantee the flatness of a finished product and can prevent residual tapping cuttings from being left. The process comprises the following steps of: forming a zigzag water channel on the top surface of the water-cooling plate; forming a water inlet and a water outlet which are provided with threads on the side surface of the water-cooling plate, and communicating the water inlet and the water outlet with the water channel respectively; adding a solder sealing plate on the water channel through vacuum brazing; before brazing, screwing a ceramic threaded pipe into threaded holes of the water inlet and the water outlet respectively; and after brazing, removing the ceramic threaded pipes. By the process, the conventional one-step machining mode is changed, and the problems of incapability of compaction, dents of the sealing plate and the tapping cuttings left in the water channel, which always exist in the prior art, are effectively solved; and the accuracy and the reliability of the finished product are greatly improved.

The invention provides a concrete hole wall scrabbling device and solves the problems that according to the prior art, great labor force is required in hole wall scrabbling, scrabbling strength cannotbe easily controlled, hole wall scrabbling is uneven, operations are complicated, scrabbling density cannot be adjusted, and onsite construction requirements cannot be duly met. According to the technical scheme, the device comprises a screw rod; the screw rod is provided with a threaded pipe; a first planetary gear system is arranged at the lower end of the threaded pipe; the threaded pipe can only drive a first sun gear to rotate through forward rotation; a first planetary carrier can actively rotate; the rotating direction of the first sun gear is opposite to that of a first gear ring; a second planetary gear system is arranged below the first planetary gear system; a second sun gear is sleeved with the lower end of the threaded pipe; the threaded pipe can only drive the second sun gear to rotate through reverse rotation; the rotating direction of a second gear ring is consistent with that of the second sun gear; the first planetary carrier can drive a second planetary carrier to rotate; a circular cylinder is arranged on the outer side of the first gear ring; and a plurality of circumferentially and evenly distributed scrabbling tools are arranged on the outer side of the circular cylinder.

The invention discloses a damping spring vibration isolator with an adjustable preload. The damping spring vibration isolator with the adjustable preload is composed of a damping spring vibration isolator body, an adjustable preload component, a height adjusting structure and a preload indicating device, wherein the damping spring vibration isolator body is composed of a rubber friction sound-insulating pad, a base, a rubber damping sleeve, a spiral steel spring and a positioning plate, the adjustable preload component is composed of an inner threaded pipe, a pre-pressing screw, a rubber tooth-shaped round hole damping sleeve and a washer, the height adjusting structure is composed of a fixing bolt, a horizontal height adjusting bolt and a screw, and the preload indicating device is composed of marking scales and a marking rod. According to the damping spring vibration isolator with the adjustable preload, the preload before installation can be adjusted conveniently according to the preload indicating device, and the height of the damping spring vibration isolator can be controlled.

The invention provides a shockproof computer mainframe, and belongs to the field of computers. The shockproof computer mainframe comprises a mainframe shell, a mainboard, a memory card and a hard disk, wherein the upper and lower ends of the mainframe shell are respectively provided with a rubber protective seat, both sides of the middle portion in the mainframe shell are respectively provided with a long strip-shaped block, a sliding groove is formed in each long strip-shaped block, both sides of the mainboard are located in the corresponding sliding grooves, the mainboard is fixedly connected with the strip-shaped blocks through first fixing bolts, the top of the memory card is provided with a fixing block, the bottoms of the mainboard and mainframe shell are symmetrically provided withthreaded pipes, a damper is arranged between the two threaded pipes, the upper and lower ends of the damper are in threaded connection with the corresponding threaded pipes, the bottom in the mainframe shell is provided with a rubber fixing seat, the hard disk can be placed in the rubber fixing seat, both sides of the rubber fixing seat and both sides of the hard disk are correspondingly providedwith fixing lugs, and the rubber fixing seat is fixedly connected with the fixing lug at the same side of the hard disk through a second fixing bolt. The shockproof computer mainframe has the advantages of being capable of playing a role in damping, thereby protecting the mainboard, the memory card and the hard disk.

The invention discloses a security protection intelligent monitoring system based on the Internet of Things. The security protection intelligent monitoring system comprises a supporting vertical seatand a monitoring mounting mechanism mounted on the supporting vertical seat; a pre-buried seat is mounted at the bottom of the supporting vertical seat through positioning bolts and comprises a pre-buried plate and six internal threaded pipes which are evenly distributed at the edge of the pre-buried plate in the circumferential direction; the supporting vertical seat comprises a supporting bottomplate and a supporting screw vertically arranged in the center of the supporting bottom plate; six positioning penetrating holes matched with the internal threaded pipes are evenly distributed in theedge of the supporting bottom plate; and the positioning bolts penetrate through the positioning penetrating holes to be fixedly connected with the internal threaded pipes. Through the scientific andreasonable structural design, stability and safety of a mounting structure can be sufficiently ensured during outdoor mounting of the security protection monitoring system, the mounting structure issimple, practicability is high, the mounting number of monitors can be adjusted in real time according to the actual need, the security protection demand is met, and the security protection intelligent monitoring system is worthy of using and popularization.

The invention relates to a cast molding finishing process for pipe fitting threaded unions. The cast molding finishing process for the threaded pipe unions adopts following machines. The machines comprise a workbench and support legs arranged at the bottom of the workbench. A central hole and a plurality of sets of circular holes are formed in the top of the workbench. The circular holes are uniformly annularly distributed in the periphery of the center hole. A threading device is arranged in the center hole. The threaded unions are arranged in the circular holes. Communication holes are symmetrically formed in the inner walls of the circular holes. Fixing clamps for fixing the threaded unions are arranged in the communication holes. According to the cast molding finishing process, a driving gear is utilized to be engaged with a plurality sets of driven gears to rotate at the same time, an air cylinder is utilized to drive a lifting rod to move downwards, a cylinder moves downwards while rotating, threading can be conducted on the threaded unions at the same time, and the machining efficiency of the threaded unions is improved; and threading can be conducted on the threaded unionsof different specifications at the same time, the time spent in adjusting a die chaser is saved, and the threading step is simplified.

The invention relates to the technical field of electrostatic spraying processing accessory devices, in particular to an electrostatic spraying finished product drying device. The working mode is relatively flexible, the use limitation is lower, the work is more uniform, and the practicality is higher; and in addition, the sealing of a machine box is higher, the drying effect is ensured, and the use effect is higher, so that the use reliability of the electrostatic spraying finished product drying device is improved. The electrostatic spraying finished product drying device comprises the machine box, a supporting plate, two sets of electrical heating bars and a baffle, further comprises a drive motor, a clamping plate, a threaded rod, a threaded pipe, a first servo motor, a chain, a firstchain wheel, a second chain wheel, two sets of front fixing frames, two sets of rear fixing frames, two sets of transmission rollers, a drive belt, a second servo motor and a conveyor belt, and further comprises a fixed shaft and a limiting plate. A working cavity is formed in the machine box, and the two sets of electrical heating bars are separately installed in two sets of clamping grooves. Theworking cavity is internally provided with a contraction frame. An installation plate is arranged in a contraction groove, the chain is arranged on the first chain wheel and the second chain wheel ina sleeving mode, a driven plate is arranged on the conveyor belt, and a rotating shaft is arranged in a rotating hole.

The invention relates to a wide load boiler water cooled wall internal threaded pipe with fins with arc-shaped transition sections. The wide load boiler water cooled wall internal threaded pipe comprises a pipe body and the internal threaded fins spirally arranged on the inner wall face of the pipe body. The cross section of each internal threaded fin is in an isosceles trapezoid shape, and the connecting ace of the side face and the top face of each internal threaded fin and the pipe body is the arc-shaped section. The internal threaded fins can be used for designing and manufacturing a vertical pipe coil water cooled wall required by a wide load boiler, a pipe coil inlet of the water cooled wall needs no orifice ring, and the boiler mass flow velocity range is the medium-low mass flow velocity ranging from 300 kg/(m2.s) to 1300 kg/(m2.s). According to the wide load boiler water cooled wall internal threaded pipe, the heat transfer capacity, especially the heat transfer capacity under the medium-low mass flow velocity, of the internal threaded pipe can be enhanced, and the heat transfer character of a supercritical boiler under the low load is improved; and meanwhile, the flowing resistance of the boiler is reduced, wasted work of a water feed pump is reduced, and energy saving and consumption reduction of a power plant are promoted.

The invention relates to the technical field of valve maintenance and detection and discloses a device for maintaining and detecting a valve according to the pressure intensity characteristic. The device comprises a valve body. The two sides of the valve body are both fixedly connected with seal rings. An adjusting box is fixedly connected to the interior of each seal ring. Each adjusting box is internally provided with a thread. The surface of each thread is fixedly connected with a rotary body. The surface of each rotary body is provided with air holes. A hollow channel is fixedly connectedto the interior of the valve body and located on the surfaces of the seal rings. The surface of the hollow channel is movably connected with a threaded pipe. Sealing grease flows into the seal rings through the rotary bodies. According to the amount of the filled sealing grease, the rotary bodies are moved through handles to control the number of the opened air holes, the amount of the sealing grease flowing past is adjusted, and the uniform and quantitative grease filling effect is achieved. When the excessive sealing grease flowing into the hollow channel, the sealing grease can exceed the weight borne by a bearing net and then flows out from the hollow channel without affecting normal use of the valve body.

The invention belongs to the technical field of steel processing accessory devices and particularly relates to an automobile edging mechanism which can position steel conveniently to improve the usingreliability and comprises a rack, four groups of stand columns, a mounting plate, a top plate and a hydraulic cylinder, wherein limiting holes penetrating through up and down are formed in the left front end, the right front end, the left rear end and the right rear end of the mounting plate; linear bearings are mounted in the four groups of limiting holes; the bottom output end of the hydrauliccylinder penetrates through the top plate from the top end of the top plate and is connected with the middle of the top end of the mounting plate; an upper die is arranged at the bottom end of the mounting plate; a lower die matched with the upper die is arranged at the top end of the rack; the automobile edging mechanism further comprises a base, a fixed plate, a positioning plate, two groups ofthreaded pipes, two groups of threaded rods, two groups of ball bearing, a mounting frame and a linear laser emitter; two groups of transverse rails are arranged on the rear side of the top end of therack; sliding blocks are mounted on the two groups of rails in a sliding manner; the linear laser emitter projects a transverse laser ray on the lower die; and the transverse laser ray is positionedright below the upper die.

The invention discloses an LED lamp for attracting microorganisms and an attracting method thereof.The LED lamp comprises a power bin, a first cavity with a leftward opening is formed in the power bin, a first extension rod is connected into the first cavity in a left-right sliding mode, and a first threaded hole penetrating through the first extension rod rightwards is formed in the first extension rod, a first through hole penetrating through the power bin rightwards is formed in the right wall of the first cavity, a first motor is fixedly arranged on the right side face of the power bin, and a threaded pipe which passes through the first through hole and is in threaded connection with the first threaded hole is installed on the left side face of the first motor. The LED lamp can be used for gathering microorganisms according to the phototaxis of the microorganisms; the display is arranged, so that the falling depth of the sampling block can be detected in real time, and the sampling accuracy is improved; the pressure changing device can change the pressure intensity of the pressure cavity according to the adaptive pressure intensity of microorganisms, and it is guaranteed that the microorganisms can survive after being fished out.

The invention discloses a reagent mixing device. The device includes a shell, a rotating shaft is arranged on the outer wall of the top of the shell, limiting grooves are formed in the outer walls ofthe two sides of the rotating shaft, limiting mechanisms are arranged on the inner walls of the two limiting grooves, a pressing switch is fixed to the outer wall of the top of the rotating shaft through a bolt, the rotating shaft is connected with the same rotating head in a clamped mode through two limiting mechanisms, each limiting mechanism comprises an electromagnet, the electromagnets are fixed to the inner walls of one sides of the limiting grooves through bolts, a spring is fixed to the outer wall of one side of each electromagnet through a bolt, sliding grooves are formed in the innerwalls of the two sides of each limiting groove, and the inner walls of the two sliding grooves are slidably connected with the same sliding plate. By arranging the two limiting mechanisms, the rotating head can be conveniently installed, a threaded pipe on the rotating head is matched with limiting columns on the limiting mechanisms, so the situation that the limiting columns slip off is avoided,and the problem that an existing rotating head is inconvenient to disassemble and replace is solved.

The invention relates to the technical field of artwork painting, and particularly relates to a three-dimensional painting device for art design. The three-dimensional painting device can be suitablefor painting work of high artworks, the height of the three-dimensional painting device can be conveniently adjusted, different coatings are stored in a classified mode, the structure is novel, and the practicability is improved. The three-dimensional painting device comprises a base, a driving motor, two sets of threaded rods, a coating box, a plurality of sets of pigment boxes, a plurality of sets of arc-shaped plates and a step table, wherein a cavity is formed in the rear side of the top end of the base; threaded pipes are rotatably connected to the left side and the right side of the inner bottom wall of the cavity; the top ends of the two sets of threaded pipes penetrate through the inner top wall of the cavity and extend out of the cavity; driven wheels are connected to the bottomsof the outer sides of the two sets of threaded pipes in a sleeving mode; the driving motor is installed on the rear side of the top end of the base; the output end of the driving motor is connected with a transmission shaft; the bottom end of the transmission shaft extends into the cavity and is rotatably connected to the inner bottom wall of the cavity; two sets of driving wheels are connected tothe outer side of the transmission shaft in a sleeving mode; and the two sets of driving wheels are connected with the two sets of driven wheels through belts correspondingly.

The invention discloses a water-saving cooling tower for mixed aromatic hydrocarbon production, and relates to the technical field of mixed aromatic hydrocarbon production cooling. The water-saving cooling tower comprises a shell, fixed seats are distributed and fixedly connected to the outer walls of the two sides of the shell, water guide pipes are fixedly connected to the inner walls of the circumferences of the fixed seats, and water inlet pipes are inserted into the outer walls of the circumferences of the water guide pipes; a water outlet pipe is inserted into the outer wall of one side of the shell, and air inlet holes distributed at equal intervals are formed in the inner walls of the two sides of the shell. According to the invention, after being sprayed out through a spray pipe and a threaded pipe, hot water collides with a second water distribution table to be splashed, and part of the hot water also flows to the edge of the second water distribution table and is divided into uniform water flow by the water distribution teeth to fall onto cooling filler below, so that the contact area between water and air and the diffusivity in the longitudinal direction are increased, the hollow phenomenon in the hot water spraying process is greatly reduced, the heat exchange efficiency of the cooling tower is high, the water flow loss of the cooling tower is also reduced, and a good water-saving effect is achieved.

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 belongs to the technical field of robots, and particularly relates to a full-automatic portable cleaning robot. The full-automatic portable cleaning robot comprises a moving device, wherein a fixed plate is fixedly connected to the surface of the moving device, a first bearing is arranged on the surface of the fixed plate in a penetrating mode, a first rotating shaft is arranged in the first bearing in a penetrating mode, a threaded column is fixedly connected to one end of the first rotating shaft, and a threaded pipe is in threaded connection to the surface of the threaded column. According to the full-automatic portable cleaning robot capable of being assembled, the fixed plate and the threaded column are arranged, when people need to fix a sweeping device, the people onlyneed to rotate a turntable, therefore, so that the first rotating shaft can be driven to rotate, the threaded column can be further driven to rotate, under the interaction of the threaded column andthe threaded pipe, and a limiting plate can be driven to move, then the sweeping device can be limited; and under the interaction of the fixed plate and the threaded column, people can fix the sweeping device more conveniently, and then the working efficiency of people is improved.