45results about How to "Convenient drop" patented technology

The invention belongs to the technical field of automatic machining, and discloses a feeding and discharging device which comprises a feeding mechanism, a discharging mechanism and a first carrying mechanism. The feeding mechanism and the discharging mechanism comprise racks and lifting parts arranged on the racks, wherein the lifting parts can bear single or stacked trays, and can lift the traysborne by the lifting parts, so that a single tray or the uppermost tray in the stacked trays is located in an operation area of the carrying mechanism; the feeding mechanism further comprises a supporting mechanism; the supporting mechanism is configured to support the tray located in the operation area; and the first carrying mechanism is configured to carry the tray between the two lifting parts. According to the feeding and discharging device provided by the invention, the tray can be supported by the supporting mechanism instead of the lifting parts, so that the lifting parts descend conveniently and receive the tray again, and uninterrupted feeding and discharging operation is achieved.

A non-intrusive surface mount interconnect that provides a through-hole interconnect to the opposite side of a PCB board. A headed pin (head up / shank down) can be picked by standard placement equipment from a specially configured pocket tape using a hole that is tightly controlled for pin location. The head of the pin rests on top of the packaging tape preventing the pin from passing through the hole. A tapered section on the pin fits with minimal clearence assuring that a vacuum nozzle on the placement equipment when it descends sees and contacts the head top for vacuum nozzle pick-up.

The present invention discloses an axial clearance measuring apparatus of a rotor of an automobile cooling fan motor. The apparatus includes a rack. The rack is provided with an operation platform. A lower female die is fixed on the operation platform. The lower female die is provided with a jack. A lower ejector pin is vertically installed on the rack in a sliding manner. The lower ejector pin is driven by a lower ejector pin lifting power apparatus. An upper pressing die is vertically installed on the rack in the sliding manner. The upper pressing die is provided with a through hole corresponding to a motor rotor shaft. An upper ejector pin corresponding to the rear end of the motor rotor shaft is vertically installed on the rack in the sliding manner. The upper ejector pin is in the through hole and is driven by an upper ejector pin lifting power apparatus. The rack is provided with a measuring mechanism for measuring an upper ejector pin moving distance or a lower ejector pin moving distance. The axial clearance measuring apparatus can measure an axial clearance of the rotor of the motor rapidly, a measurement result is more accurate, measurement efficiency is higher, and the apparatus can be applied to axial detection of clearances of a large scale of motor rotors.

The invention discloses a geological prospecting device, which comprises an underframe, a prospecting drilling machine base is fixedly connected to a side position of the top end of the underframe, asteel frame is fixedly connected to one end of the prospecting drilling machine base, and a convenient connecting, detaching and positioning mechanism is fixedly connected to the position, corresponding to the steel frame, of one end of the prospecting drilling machine base; the convenient connecting, detaching and positioning mechanism comprises a connecting disc, a rotary base, a cavity, a rotary groove, a positioning groove, a positioning block, a roller, a reset spring, a sliding block, a lifting ring, a bump, a connecting rod and a movable sleeve ring. The device is scientific and reasonable in structure and safe and convenient to use, the convenient connecting, detaching and positioning mechanism is arranged, the movable sleeve ring is pushed to ascend through extension of an electric telescopic rod, therefore, clamping blocks are pushed through the movable sleeve ring to move along a movable groove, the distance between the clamping blocks is reduced, the clamping blocks clamp adrill rod according to the diameter of the drill rod, the drill rod is fixed, and meanwhile a rotating block is pushed in the ascending process of the movable sleeve ring.

The invention relates to a reliable single-pipe tower with an anti-falling function. The reliable single-pipe tower with the anti-falling function comprises a base, a tower body, a lighting conductor, a lifting device and two antenna devices. The lifting device comprises a working platform, a driving device, a rotary shaft and two conveying units. Each transmission unit comprises second rolling wheels and a supporting plate. The driving device comprises a transmission unit, two handles and two anti-falling units. Each anti-falling unit comprises a hinged unit, a rotary rod, a limiting frame, a limiting support, a spring, a fixed sleeve and a fixed rod. According to the reliable single-pipe tower with the anti-falling function, the transmission units are utilized to drive the rotary shaft and the second rolling wheels to rotate so as to retract cables, thus the lifting device moves upwards, and due to the fact that the diameter of a driving wheel is longer than that of a driven wheel, labor-saving operation is achieved. In addition, the handles are clamped on the fixed sleeve through the anti-falling units, so that the working platform is prevented from keeping falling to cause falling accidents, and accordingly the safety and the reliability of the single-pipe tower are enhanced.

The invention discloses mechanical product cutting equipment for intelligent manufacturing. The equipment comprises fixing frames; mounting plates are fixedly connected with the top ends of the two fixing frames; a transverse frame is fixedly connected with one side position between the two mounting plates; a conveying platform is fixedly connected with the position, corresponding to the bottom of the transverse frame, between the two fixing frames; a reciprocating translation mechanism is arranged at the top end of the transverse frame; and the reciprocating translation mechanism comprises a lead screw, a movable block, a movable frame, a rotating wheel, an electric push rod, a transverse rod and a rotating motor. The mechanical product cutting equipment for intelligent manufacturing is scientific and reasonable in structure, and safe and convenient to use. The reciprocating translation mechanism is arranged, so that power is transmitted through the cooperation of two transmission wheels and a first belt; through the telescopic characteristic of a tensioning spring, a cushion block is tightly attached to a guide wheel, so that the transverse rod and the guide wheel are driven to rotate; and then through cooperation of a second belt, the rotating wheel and the lead screw are driven to rotate, the movable block and one end of the movable frame are pushed, and a metal plate is cut.

The present invention discloses a motor rotor axial clearance adjusting machine. The adjusting machine includes a rack and an operation platform. A lower female die is fixed on the operation platform. A top pressing block is vertically installed on the lower female die in a sliding manner. A lower slide seat is vertically installed on the rack in the sliding manner. A top pressing transmission piece is fixed on the lower slide seat. A lower ejector pin is vertically installed on the lower slide seat in the sliding manner. The lower ejector pin is driven by a lower ejector pin lifting power apparatus. An upper slide seat is vertically installed on the rack in the sliding manner. The upper slide seat is provided with an upper pressing die. The upper pressing die is provided with a through hole. An upper ejector pin is installed on the upper slide seat in the sliding manner. The upper ejector pin is corresponding to the rear end of a motor rotor shaft. The upper ejector pin is connected with a measuring mechanism for measuring an upper ejector pin moving distance. The clearance adjusting machine can rapidly perform axial clearance adjustment on each motor before the motor leaves the factory, thereby greatly improving clearance adjustment precision, improving efficiency, facilitating adjustment, being applicable to mass production, and ensuring product quality stability.

The invention discloses an adjustable bridge-cutoff aluminum door and window. The adjustable bridge-cutoff aluminum door and window comprises a frame body, wherein an air inlet pipe is arranged at the top of one end of the frame body, transverse plates are symmetrically welded to the inner wall of the air inlet pipe, a fan is fixedly connected to the middle of each transverse plate, the input end of each fan is electrically connected with the output end of an external power source, a rotating and sealing mechanism is rotatably connected to the interior of the frame body, and the frame body is conveniently opened through the rotating and sealing mechanism. The adjustable bridge-cutoff aluminum door and window is scientific and reasonable in structure and safe and convenient to use; and the rotating and sealing mechanism is arranged, a rotating shaft is driven by a rotating frame to rotate, the rotating shaft drives a sleeve to rotate, a fixing rod is contracted, the fixing rod is separated from an inserting hole, limiting of the rotating frame is relieved, the rotating frame can circumferentially rotate in the frame body, the front face and the back face of glass are conveniently cleaned, people conveniently clean the glass, and the safety of high-rise operation is improved.

The invention discloses a geological prospecting method, which comprises the following steps: S1, exploring a geological structure and the thickness and property of each bottom layer, and determiningthe position of a drill hole and the depth of the drill hole; S2, erecting a drill rod through a convenient rod feeding mechanism, then connecting the drill rod with a connector through an automatic lifting mechanism, and rotating a motor box through a connector and performing drilling downwards to form a hole; and S3, when rod connecting is needed, fixing the top end of the drill rod rotated intothe ground into a rotary base, and then connecting two drill rods through the convenient rod feeding mechanism, an automatic lifting mechanism and a convenient connecting, detaching and positioning mechanism. According to the invention, the structure is scientific and reasonable, use is safe and convenient, a cleaning mechanism is arranged, and by pushing limiting plates, the limiting plates slide along sliding grooves; the distance between the two limiting plates is adjusted, the positioning pin is rotated, positioning pins penetrate through transverse plates to be attached to the top ends of portal frames, the positions of the transverse plates and the limiting plates are fixed, the drill rods are clamped and fixed, and then a movable baffle is fixed to one end of the base through a bolt.

The invention relates to the technical field of riverway sludge removal, in particular to a riverway sludge removal device and method. The riverway sludge removal device comprises a ship body, an outer frame is arranged in the middle of the ship body, a dredging cylinder is vertically and slidably connected into the outer frame, and the dredging cylinder is connected with a lifting assembly; a sealing assembly used for opening or closing the lower end of the dredging cylinder is arranged at the lower end of the dredging cylinder, a horizontally-moving conveying belt is arranged at one side of the outer frame, when the dredging cylinder is lifted to the position above the conveying belt, the conveying belt is used for horizontally moving to the position below the dredging cylinder, and a water draining groove is formed in the side wall of the dredging cylinder; and a water draining assembly used for opening the water draining groove is arranged at the position of the water draining groove. The device has the effects that river water is introduced during sludge cleaning, and the sludge treatment amount is reduced.

The invention relates to a safe and reliable ground placed fire extinguisher box facilitating taking out and storing. The safe and reliable ground placed fire extinguisher box facilitating taking outand storing comprises a box body; a plurality of buffering pipes are arranged on the two sides of the box body; a buffering mechanism is arranged in each buffering pipe; a fixing mechanism, a supporting plate, a handle, two speed reducing mechanisms and two fire extinguishing components are arranged in the box body; each buffering mechanism comprises a first spring and a buffering block; each speed reducing mechanism comprises a vertical rod, a pressing rod, a rotating rod and a weight block; and a fixing component comprises a first sliding ring, a first sliding rail, a bracing rod, a hinge block, a supporting rod and a pulling unit. According to the safe and reliable ground placed fire extinguisher box facilitating taking out and storing, when a fire extinguisher is taken for use, the handle is pulled upwards, so that the supporting plate is positioned above the supporting rod of the fixing mechanism to fix the supporting plate; therefore, the fire extinguisher is taken for use quickly and conveniently by people; not only that, when the fire extinguisher is placed, the descending speed of the supporting plate is slowed by utilizing the buffering mechanisms and the speed reducing mechanisms, so that the fire extinguisher lands into the box body safely; and therefore, the fire extinguisher is prevented from being damaged, and the practicability of the safe and reliable ground placed fire extinguisher box facilitating taking out and storing is improved.

The invention discloses an orchard multifunctional lifting operation platform. The orchard multifunctional lifting operation platform comprises a chassis, a driving motor, a driving rotating shaft, adriving rotating wheel, a crawler belt, a fixed base, a first stepping motor, a first rotating shaft, a gear, a rack plate, a trigger plate, a sliding groove, a first travel switch, a second travel switch, a connecting plate, a connecting frame, a storage basket, a deflector, a second stepping motor, a second rotating shaft, a maneuvering desk, a connecting sleeve, a reinforcing sleeve and a softcushion. The orchard multifunctional lifting operation platform is ingenious in structure and powerful in function, firstly, through an electric driving mechanism, the platform can move in an orchard;secondly, through cooperation with a lifting mechanism, staff can pick and store fruits of different heights conveniently; and finally, through the platform, the orchard operation demands are greatlymet, and application and popularization in the industry are facilitated.

The invention relates to the technical field of hydrogen fuel cell testing, in particular to a hydrogen fuel cell stack testing device with uniformly stacked cell units, which comprises a bottom plate and a conveyor belt, a groove is formed in the bottom plate, the conveyor belt is rotatably mounted on the inner side wall of the groove, a first L-shaped plate is arranged on one side of the bottom plate, and a second L-shaped plate is arranged on the other side of the bottom plate. A telescopic air cylinder is fixedly installed at the top of one end of the first L-shaped plate, a transverse plate is arranged at the top of the bottom plate, a cathode connecting end and an anode connecting end are fixedly installed at the bottom of the transverse plate from left to right in sequence, a shell is fixed to one end of the first L-shaped plate, and a detection meter is fixedly installed on the inner side wall of the shell; the cathode connecting end and the anode connecting end are respectively connected with the detection meter through electric wires, and a stamping mechanism is arranged at the top of the bottom plate. The test efficiency is high, the labor intensity of a user is reduced, and unqualified products can be conveniently marked so as to facilitate later maintenance.

The invention discloses a conveying mechanism for a floor solid wood core board grinding device, comprising a bottom conveying frame, two driving rollers are hinged on the top surface of the bottom conveying frame, the conveying belt is tensioned on the two driving rollers, and the bottom conveying There are push cylinders fixed on both sides of the middle part of the frame, and push blocks are fixed on the push rods of the push cylinders. The push blocks are on the back of the middle part of the conveyor belt. Clamping blocks are fixed, and the two clamping blocks are above the front and rear sides of the conveyor belt; a plurality of protruding strips are evenly distributed on the outer wall of the conveyor belt, and the front and rear of the conveyor belt between the two protruding strips There are limit projections on the upper part, and there are induction projections on the front and rear side walls of the conveyor belt between the two projections. It is installed under the grinding wheel, which can automatically transport the wooden board and automatically detect the suspended position of the wooden board to fix it, so that the upper grinding wheel can be lowered for grinding.

The invention discloses a comprehensive cultural service intelligent terminal for the community. The terminal comprises a base device, the upper end of the base device is in threaded connection with amounting frame device, a display screen is clamped in the mounting frame device, the base device comprises a base, a ventilation groove, a sliding groove, a push plate, a filter net, a sliding rod and a sliding plate, the ventilation groove is formed in the base, the push plate is in sliding connection into the ventilation groove, the sliding rod is fixedly connected to the upper end of the pushplate, the sliding plate is fixedly connected to the upper end of the sliding rod, and the sliding plate makes contact with the base. The mounting frame device comprises a supporting pipe, a supporting sleeve, a fan, a reinforcing plate, a mounting base, a groove, a through groove, a ventilation pipe, a nozzle, a clamping base and a clamping groove. The comprehensive cultural service intelligent terminal for the community is convenient to mount, the dustproof cooling function is achieved, and the phenomenon that due to too high temperature caused by continuous work of the terminal, the servicelife is shortened is avoided; the supporting adjusting device is arranged below the terminal, and the terminal at the high position can be adjusted to the low position to be repaired.

The invention discloses a sorting device. The sorting device comprises a storage part, a placement part and a clamping assembly, wherein the placement part is arranged at one side of the storage part, the clamping assembly is arranged above the storage part and the placement part and moves between the storage part and the placement part, a plurality of wire bodies are contained in the storage part, and an inclined wire placement groove is formed in the placement part; the clamping assembly stretches into the placement part to clamp the at least one wire body and place the wire bodies in the wire placement groove, the clamping assembly stretches into the placement part again to clamp the at least one wire body, the wire bodies are placed in the wire placement groove and located above the other wire body, a blocking part is arranged at one side of the clamping assembly, and the wire bodies abut against the blocking part; and the blocking part and the side, close to the wire placement groove, of the clamping assembly are arranged in a spaced manner, and the clamping assembly clamps all the wire bodies in the wire placement groove and moves the wire bodies to the next station. The invention discloses a sorting method. The sorting device and method have the advantages of being high in automation degree and high in sorting efficiency.

The invention discloses an intelligent material handling device for underground logistics, which comprises a moving mechanism and a telescopic rod. Both sides of the screw are provided with a belt mechanism, and the surface of the screw is provided with a placement plate, and the left side of the placement plate is hinged with a first fixed block, and the right top of the screw is provided with a second A conical wheel, and the surface of the first conical wheel engages with the surface of the second conical wheel. The intelligent material handling device for underground logistics of the present invention can be adjusted according to the need to transport different quantities of materials, and the materials on the surface of the placing board can be conveniently lowered by tilting the placing board, and the materials on the surface of the placing board can be conveniently transported.

The invention relates to a percussion drill cast-in-place pile construction device. The construction device comprises a rack, a drill hammer, a driving mechanism and a traction rope, wherein a monitoring mechanism and a control mechanism are arranged on the rack, the monitoring mechanism is used for monitoring the deviation angle of the section, close to the drill hammer, of the traction rope, thecontrol mechanism is used for controlling the driving mechanism to prevent the traction rope from being released, the monitoring mechanism comprises a vertical auxiliary part, a distance testing unitand an angle calculating unit, the vertical auxiliary piece is hung on the rack, the distance testing unit is arranged at the free end of the vertical auxiliary piece and used for testing the horizontal distance between the free end of the vertical auxiliary piece and the section, close to the drill hammer, of the traction rope to serve as the offset distance, and the angle calculating unit is connected with the distance testing unit and is used for receiving the offset distance and calculating an offset angle according to the offset distance and a preset calculation formula. The constructiondevice has the effect of enabling the inclination angle of a pile hole to be within the specified inclination range so as to improve the construction quality of the pile foundation.

The invention relates to the technical field of street lamps, and discloses a convenient-to-maintain energy-saving street lamp based on Internet of Things, which comprises a supporting pipe, a moving box A and a moving box B, a solar panel is arranged above the supporting pipe, a storage battery is fixedly installed in the middle of the top end of the supporting pipe, a charging and discharging controller is fixedly installed in the middle of the top end of the storage battery, a fixing rod is fixedly installed on the top of the front side face of the supporting pipe, and an illuminating lamp is fixedly installed on the front side of the bottom of the fixing rod, and a mounting groove is vertically formed in the middle of the front side face of the supporting pipe. A maintainer stands on a pedal with two feet and holds a holding rod A with two hands, then the maintainer can ascend to the bottom of an illuminating lamp by moving a moving box B and a moving box A upwards in sequence, then the illuminating lamp can be maintained conveniently, the difficulty of street lamp maintenance work is greatly reduced, use of large lifting equipment is avoided, and the maintenance cost of the street lamp is reduced.

The invention discloses a household wiring box for preventing cable damage, which comprises a door plate, a fixing bolt, a buffer block and a dustproof net, a hinge is arranged on the right side of the door plate, a supporting plate is fixedly connected to the interior of the box body, a control rod is connected to the interior of the control plate in a penetrating mode, and an extrusion plate isarranged at the lower end of the control rod. A placement plate is arranged on the upper surface of the supporting plate, a protective pad is installed on the inner side of the placement plate, springs are arranged in the extrusion plate and the placement plate, buffer blocks are fixedly connected to the outer surfaces of the springs, a cooling fan is installed on the lower surface of the upper side of the box body, cooling holes are formed in the box body, and a dustproof net is arranged on the inner surface of the box body. According to the household wiring box for preventing cable damage, the cables are conveniently arranged in a classified mode, the situation that the cables are staggered is avoided, the cables are conveniently protected, the situation of abrasion is avoided, and the heat dissipation effect of the wiring box is improved.

The invention relates to a multifunctional wall-attached support for an attached integral electric lifting scaffold in the field of scaffold installation, including a wall body, the wall body has a T-shaped mounting plate, the T-shaped mounting plate, the T-shaped mounting plate has a straight plate, and the straight plate has a Guide rail, the guide rail has a T-shaped chute, the T-shaped chute has a gear block, the gear block has a ring gear, the gear ring has a rotating ring, the rotating ring has a rotating rod, the rotating rod has a bearing, the bearing has a connecting plate, and the T-shaped mounting plate has a Support structure, the support structure includes a Z-shaped plate and a second reinforcement plate, the Z-shaped plate has an anti-fall structure, and the anti-fall structure includes a bottom plate, a triangular block, a slide bar, a bump, a first spring, a mounting frame, an electric push rod, an installation block and slide plate; the guide rail has a floor braking structure, and after the floor braking structure is fixedly connected with the connecting plate, the attached integral electric lifting scaffold moves to the floor unloading position, and the connecting plate of the present invention drives the attached integral electric lifting scaffold to carry out limit-guided movement , to achieve anti-overturn guidance.

The invention discloses a special midwifery vehicle for pregnant women, which comprises four supporting columns and an arc-shaped forearm supporting frame. The top ends of the four supporting columns are provided with an arc-shaped forearm supporting frame. Two first support rods are provided, the first support rod on the left side is provided with a large fixing seat, the large fixing seat is provided with a doula ball seat plate, and the first support rod on the right side is provided with a groove; The bottom ends of the four support columns are provided with two second support rods, and the front ends of the two second support rods are provided with small fixing seats, and each of the two small fixing seats is provided with a rotatable movable Pedal: The present invention has reasonable structural design and convenient operation, and can adjust the height according to different users, saves time and effort, is convenient for the fetal head to descend and can correct the fetal position, facilitates production, ensures the safety of the puerpera and the fetus, and enhances the health of the pregnant woman. It improves the psychological adaptability, promotes the progress of the labor process, and improves the efficiency of medical operations.

The invention discloses a noise reduction piston rod. The noise reduction piston rod comprises a piston rod body, a piston, a sealing assembly and a connecting base, wherein the lower end surface of the piston rod body is fixed to the upper end surface of the piston; a convex groove is formed in the lower end surface of the piston; a fixing block is fixed to the lower end of the inner ring of the convex groove formed in the lower end surface of the piston; the connecting base is fixed to the lower end of the fixing block; and the sealing assembly is arranged on the piston. Compared with the prior art, the noise reduction piston rod has the following beneficial effects that when the piston rod ascends, a sealing ring can be tightly attached to the inner wall of an oil cylinder or an air cylinder to achieve the sealing effect; when the piston rod descends, the sealing ring can be shrunk, and sliding friction of the piston rod is reduced, so that the piston rod descends more easily, and meanwhile, noise is reduced; when the piston rod ascends, sound absorption holes and sound absorption cotton can achieve a good noise reduction effect; and when the piston rod descends, attached dirt can be pushed out, the sound absorption holes are prevented from being blocked, so that the noise reduction effect is improved.

The invention discloses a street lamp mounting tool for preventing a street lamp pole from toppling in the technical field of street lamps, which comprises a lamp pole, a lifting assembly is arranged on the lamp pole, the lamp pole is arranged on the lifting assembly, a lighting lamp is arranged at the bottom of the lamp pole, a base plate is connected to the bottom of the lamp pole, and an anti-toppling device is arranged on the outer wall of the lamp pole in a sleeving manner. In the using process of the street lamp, the danger that the street lamp topples over in the using process can be effectively prevented through the anti-toppling device, the using safety of the street lamp is improved, the illuminating lamp can be conveniently lowered to a proper height through the lifting assembly, maintenance personnel can conveniently conduct maintenance work on the illuminating lamp, and the service life of the street lamp is prolonged. Therefore, an operator is prevented from climbing a ladder for high-place operation, and the safety of the operator in maintenance operation is guaranteed.

The present invention discloses an axial clearance measuring apparatus of a rotor of an automobile cooling fan motor. The apparatus includes a rack. The rack is provided with an operation platform. A lower female die is fixed on the operation platform. The lower female die is provided with a jack. A lower ejector pin is vertically installed on the rack in a sliding manner. The lower ejector pin is driven by a lower ejector pin lifting power apparatus. An upper pressing die is vertically installed on the rack in the sliding manner. The upper pressing die is provided with a through hole corresponding to a motor rotor shaft. An upper ejector pin corresponding to the rear end of the motor rotor shaft is vertically installed on the rack in the sliding manner. The upper ejector pin is in the through hole and is driven by an upper ejector pin lifting power apparatus. The rack is provided with a measuring mechanism for measuring an upper ejector pin moving distance or a lower ejector pin moving distance. The axial clearance measuring apparatus can measure an axial clearance of the rotor of the motor rapidly, a measurement result is more accurate, measurement efficiency is higher, and the apparatus can be applied to axial detection of clearances of a large scale of motor rotors.

The present invention discloses a motor rotor axial clearance adjusting machine. The adjusting machine includes a rack and an operation platform. A lower female die is fixed on the operation platform. A top pressing block is vertically installed on the lower female die in a sliding manner. A lower slide seat is vertically installed on the rack in the sliding manner. A top pressing transmission piece is fixed on the lower slide seat. A lower ejector pin is vertically installed on the lower slide seat in the sliding manner. The lower ejector pin is driven by a lower ejector pin lifting power apparatus. An upper slide seat is vertically installed on the rack in the sliding manner. The upper slide seat is provided with an upper pressing die. The upper pressing die is provided with a through hole. An upper ejector pin is installed on the upper slide seat in the sliding manner. The upper ejector pin is corresponding to the rear end of a motor rotor shaft. The upper ejector pin is connected with a measuring mechanism for measuring an upper ejector pin moving distance. The clearance adjusting machine can rapidly perform axial clearance adjustment on each motor before the motor leaves the factory, thereby greatly improving clearance adjustment precision, improving efficiency, facilitating adjustment, being applicable to mass production, and ensuring product quality stability.