957results about How to "Save assembly time" patented technology

The invention provides an automatic assembling method and system for an automobile safety belt pretensioner based on machine vision, and relates to the technical field of automatic assembly.The method comprises the steps that firstly, images of standard parts of the pretensioner are collected, geometrical characteristic parameters are extracted, and the mapping relation from two-dimensional image coordinates to three-dimensional space coordinates is established; calculating coordinates of an assembly reference point and an assembly path point; acquiring a real-time image of a to-be-assembled part, extracting feature data, matching the feature data with a standard part, calculating a position deviation value and an angle deviation value, and updating an assembly path point coordinate; and controlling the robot to execute assembly, and dynamically adjusting the assembly speed and the assembly strength of the robot based on the assembly state evaluation index after data fusion of the force sensor and the displacement sensor until automatic assembly is completed.

The invention discloses a quickly-assembled suspended ceiling for building decoration and an assembling method thereof.The quickly-assembled suspended ceiling comprises a suspender, first keels, second keels, third keels, a first decorative plate and a second decorative plate, the upper end of the suspender is fixedly connected with a ceiling wall surface, and the first keels are arranged in parallel at intervals in the left-right direction; the lower ends of the hanging rods are detachably and fixedly connected with the first keels, the second keels and the third keels are arranged below the first keels in parallel in a front-back spaced mode, the second keels are located at the foremost end, the second keels and the third keels are detachably and fixedly connected with the first keels, and the first decoration plate is detachably embedded in the first installation groove. And the second decorative plate is detachably embedded in the second mounting groove. According to the technical scheme, the assembly time of the suspended ceiling can be shortened, the operation difficulty during suspended ceiling assembly is reduced, the suspended ceiling assembly efficiency is improved, assembly is firm and reliable, and the safety after suspended ceiling assembly is effectively guaranteed.

The invention relates to the technical field of motor press-fitting equipment, in particular to an automatic press-fitting device for a motor end cover, which comprises a base, and a jacking mechanism, a limiting mechanism, a press-fitting mechanism and a driving mechanism are sequentially arranged on the base from bottom to top. A motor end cover to be press-fitted is accommodated by the limiting mechanism, the motor end cover on the limiting mechanism is jacked by the jacking mechanism, the press-fitting mechanism is driven by the driving mechanism to move downwards, and the motor end cover is press-fitted onto a motor stator downwards by the press-fitting mechanism. The press-fitting mechanism comprises a pressure transmitting unit, a press-fitting unit located at the lower end of the pressure transmitting unit and a locking unit connecting the pressure transmitting unit and the press-fitting unit, the press-fitting unit comprises a press-fitting plate and a plurality of press-fitting rods, the pressure transmitting unit comprises a pressure transmitting plate, and the locking unit comprises a locking driving part, a locking buckle and a locking pin. The invention further provides a press fitting method of the motor end cover. According to the invention, the motor end cover and the motor stator can be accurately positioned, and automatic assembly of the electronic end cover can be realized.

The invention discloses medium-and-large-sized motor assembling equipment which comprises a shell, a first ejector pin, a second ejector pin, a centering assembly, a transverse moving mechanism and a lifting assembly, wherein the first ejector pin and the second ejector pin are mounted on the shell; the centering assembly is arranged on the second ejector pin; the transverse moving mechanism is mounted on the shell; the second ejector pin can penetrate through the stator, the centering assembly can adjust the installation center of the stator so that the installation center of the stator and the axis of the rotor can be located on the same straight line, and the output end of the lifting assembly can compensate the height difference of the stator before and after adjustment. The centering assembly can automatically adjust the installation center of the stator according to the position and state of the rotor, and manual repeated measurement and adjustment are not needed. The lifting assembly can automatically compensate the height difference of the stator, and the tedious process of manually adjusting the height is avoided. By means of the automatic functions, the whole assembling process is more efficient and faster, time waste and errors caused by manual operation are reduced, and the assembling efficiency is remarkably improved.

The invention provides a new energy electric heavy truck frame assembly and an assembling method thereof.The new energy electric heavy truck frame assembly comprises a truck frame body, truck frame mounting cross beams, a left battery frame and a right battery frame, and the multiple truck frame mounting cross beams are arranged between the middle of a left longitudinal beam of the truck frame body and the middle of a right longitudinal beam of the truck frame body; the frame mounting cross beams are distributed in the length direction of the frame main body; the left battery frame is arranged on the left side face of the middle of the left longitudinal beam, and the right battery frame is arranged on the right side face of the middle of the right longitudinal beam and is symmetrical to the left battery frame. The frame assembly can be conveniently assembled, meanwhile, during assembling, the assembling precision of the frame assembly can be effectively improved through the cross beam installation auxiliary tool and the frame installation auxiliary tool, the assembling time is saved, and the assembling efficiency is improved.

The invention relates to the technical field of needle bearings, in particular to a needle bearing quantitative grease injection assembly machine which comprises a bearing mechanism, and a needle roller loading mechanism, an assembly mechanism and a grease conveying mechanism are arranged on the bearing mechanism; the lifting mounting part is constructed to move in the X-axis direction and the vertical Z-axis direction on a lateral parallel plane of the bearing mechanism, and a grease injection mechanism which is used for adsorbing the roller pin and can quantitatively inject grease into the bearing is vertically mounted on the lifting mounting part; the roller pin loading mechanism, the assembling mechanism and the grease conveying mechanism are all located on parallel planes, the grease injection mechanism is in butt joint with the roller pin loading mechanism so that roller pins in the roller pin loading mechanism can be adsorbed through the grease injection mechanism, and the grease injection mechanism is in butt joint with a bearing outer ring loaded on the assembling mechanism so that the roller pins can be loaded into a bearing. The grease injection mechanism is in butt joint with the grease conveying mechanism so as to supplement grease. According to the invention, needle installation and quantitative grease injection are carried out in the bearing through the grease injection mechanism, so that the grease loss is reduced, the production cost and the labor cost are also reduced, and meanwhile, the grease injection and needle installation operations in the bearing are realized.

The invention discloses a battery box, which comprises: an enclosure frame assembly, which comprises a bottom plate and an enclosure frame arranged along the periphery of the bottom plate, and the enclosure frame and the bottom plate enclose to form a first inner cavity; the cross beam assembly is arranged in the first inner cavity and divides the first inner cavity into a plurality of first sub-cavities; and the cooling system comprises a first cooling unit arranged at the cross beam assembly and a second cooling unit arranged at the bottom plate. According to the battery box disclosed by the invention, the assembly of the cross beam is more convenient and faster, the assembly time is saved, and the strength of the cross beam assembly is also enhanced. The cross beam can play an original supporting and reinforcing role, circulation of a cooling liquid medium is achieved by modifying the internal structure of the cross beam, the cooling medium is conveyed into the cross beam through the first cooling unit, full-area flowing of the cooling medium from top to bottom is achieved through the specific internal structure of the cross beam, the heat exchange efficiency of the battery is improved, and the service life of the battery is prolonged. And the uniformity and comprehensiveness of battery heat exchange are improved.

The invention provides an interface heat dissipation material preform, a preparation method thereof and a multi-chip packaging structure. According to the interface heat dissipation material preform, the preparation method thereof and the multi-chip packaging structure provided by the invention, the plurality of chip fixing areas are formed on the second surface, and the thicknesses of at least two chip fixing areas in the plurality of chip fixing areas are different, so that the heat dissipation performance of the interface heat dissipation material preform is improved. Therefore, the interface heat dissipation material preform can support at least two chips with different thicknesses at the same time and can adapt to different chip requirements, so that the packaging process is simplified, the assembly time is shortened, the production flexibility is improved, and the generation efficiency is improved; in addition, the standardized design of the interface heat dissipation material preformed part is beneficial to ensuring the consistency and repeatability of each multi-chip package, and the variability in the production process can be reduced.

The invention discloses a fabricated building photovoltaic roof module. The roof module comprises a roof plate, inserting blocks are fixedly connected to the two adjacent sides of the roof plate, and inserting grooves are correspondingly formed in the other two adjacent sides of the roof plate. A protection assembly is arranged at the upper end of the roof plate, a photovoltaic support is arranged in the protection assembly, the photovoltaic support is rotationally installed in the protection assembly through a supporting shaft, and a photovoltaic plate is fixedly connected to the upper end face of the photovoltaic support; a power mechanism and an angle adjusting mechanism are arranged in the protection assembly, the angle adjusting mechanism is used for adjusting the angle of the photovoltaic support, and the power mechanism is used for providing power for the angle adjusting mechanism. In the assembling process, the photovoltaic panel and the roof plate can be quickly assembled together, so that the assembling time is shortened, meanwhile, drilling in the roof is avoided, and the protection on the roof is improved.

The utility model relates to the technical field of pipeline cleaning, and discloses a pipeline cleaning device which comprises a rotating head, a flow dividing bin is arranged on the inner side of the rotating head, first hemispheres which are evenly distributed are fixedly connected to the left side of the flow dividing bin, second hemispheres are rotatably connected to the inner sides of the first hemispheres, and nozzles are fixedly connected to the outer ends of the left sides of the second hemispheres. And the outer end of the left side of the rotating head is fixedly connected with limiting columns which are uniformly distributed. According to the utility model, according to the mutual cooperation of the first hemisphere, the second hemisphere, the nozzle, the limiting column, the limiting plate, the electric push rod, the limiting ring and the limiting hole, the angle adjustment of the second hemisphere and the nozzle is realized, so that the rotating head and the drill bit can be controlled to form different advancing postures by adjusting the spraying angle of the nozzle; the rotating head and the drill bit can move forwards straightly and also can move forwards in a rotating mode, and different use environments can be adapted through different advancing modes, so that power is utilized to the maximum extent.

The present invention relates to the technical field of building materials, and in particular to a steel truss floor deck, comprising a bottom template, a steel truss and a support member are provided on one side of the bottom template, the steel truss is detachably connected to the bottom template, and the support member extends out of the edge of the bottom template to form a support portion. When the steel truss floor deck is spliced, the steel truss or the bottom template of the steel truss floor deck supports the support portion of the adjacent steel truss floor deck. The steel truss floor deck (referred to as the floor deck) is assembled with the support member while connecting the steel truss, which is simpler and more convenient to assemble, and when multiple floor decks are spliced, the adjacent floor decks can support each other to form a template structure with strong integrity. The support portion arranged above the bottom template can be against the steel structure beam or beam template, and the force borne by the floor deck can be transmitted to the steel structure beam or beam template through the support member, effectively reducing the misalignment and leakage of the edge, and making the floor slab smoother.

A terminal block screw mounting station mechanism comprises a storage structure and a mounting structure which are arranged on the side face of a terminal block machining rail, and the mounting structure comprises a mounting support and a mounting first connecting block connected to the mounting support through a mounting horizontal rail. The installation horizontal driving device drives the installation first connecting block to move along the installation horizontal track, the installation second connecting block is connected to the installation first connecting block through the installation vertical track, and the installation vertical driving device drives the installation second connecting block to move along the installation vertical track. The placing structure is connected to the second connecting block and extends out of the wiring terminal processing track; the storage structure comprises a storage bracket and a storage base; a plurality of screw placing grooves are formed in the storage base, and screws move towards the wiring terminal processing track in the screw placing grooves; the placing structure takes out the screws from the storage structure and then loads the screws into the wiring terminal base. According to the utility model, the screw placement process of the wiring terminal is completed in a full-automatic manner.

The invention provides a brittle material appearance grinding and polishing device which comprises a machine frame, a grinding device and a polishing device. The clamping module is used for clamping and fixing the aluminum bar; the number of the clamping modules is two. The two clamping modules are installed on the upper portion of the operation table in parallel in a spaced mode. The number of the polishing modules is two; the two polishing modules correspond to the two clamping modules respectively and are installed on the operation table. The clamping modules and the polishing modules are arranged at intervals; the polishing module comprises a driving assembly and a grinding disc. The grinding disc repairing module is located above the grinding disc, fixedly connected with the rack and used for grinding and repairing the grinding disc; a control cabinet; according to the shape grinding and polishing device for the fragile materials, clamping, grinding and polishing and grinding disc repairing of the materials are achieved through the coordination effect of the multiple modules.

An aero-engine pipeline clamp electric assembling tool comprises a shell, an inner hexagonal socket wrench, a driven bevel gear, a driving bevel gear, a motor, a power battery, a motor starting button, an ultrasonic axial force measuring instrument, a display screen and a locking plate wrenching mechanism. Only one tool is needed when the pipeline clamp is assembled, the step that multiple tools need to be switched in the traditional manual assembly process is omitted, the requirement for the proficiency of operators can be greatly lowered, the assembly time is effectively saved, meanwhile, the assembly efficiency is improved, and through measurement and calculation, for example, 500 pipeline clamps need to be assembled on an aero-engine, the assembly efficiency is greatly improved. Only about 30 seconds are needed to complete the assembly of one pipeline clamp, only about 250 minutes are needed to complete the assembly of 500 pipeline clamps on one aero-engine, and the assembly efficiency is improved by at least 6 times. And meanwhile, when the hoop bolt is screwed, the axial force can be displayed in real time to assist in controlling the screwing force of the bolt, so that the consistency of the assembled pipeline hoop is greatly improved.

The invention relates to the technical field of fabric detection, and particularly discloses a wool fabric detection device which comprises a device seat, a pulling mechanism is arranged in the device seat, bracket mechanisms are arranged on the left and right outer sides of the pulling mechanism, and a friction mechanism is arranged on one side of the exterior of the device seat. The friction mechanism can be used for testing the wear resistance of the wool fabric, and the bracket mechanism is matched with the pulling mechanism to clamp the wool fabric and can be combined with the pulling mechanism to form a friction supporting bottom to be matched with the friction mechanism for testing. According to the invention, tensile and wear-resistant testing functions are integrated, operation steps and equipment requirements are reduced, the pulling mechanism and the bracket mechanism are matched to realize automatic clamping of wool fabric, and the pulling strength is finely adjusted by adjusting the length of a strip shifting block to adapt to different testing requirements; a real friction situation is simulated, and the test accuracy is improved.

The invention provides an intelligent concrete column building system and method.The intelligent concrete column building system comprises a stand column system, a plurality of vertical stand columns are arranged on the stand column system, a bearing platform and a construction platform which can move up and down are arranged on the stand columns, a formwork system is arranged above the bearing platform, and a formwork device is arranged on the formwork system; an automatic concrete vibrating system is arranged above the formwork system, and a hoisting device is further arranged on the top of the stand column system. And a main control center is further arranged and used for monitoring the working conditions of the stand columns, the formwork device and the hoisting device, and the main control center is further used for controlling climbing of the bearing platform and the construction platform and hoisting operation of the hoisting device. The automatic and intelligent level of pier column construction is greatly improved, an intelligent control technology is introduced in the links of formwork installation, steel bar component manufacturing, steel bar component hoisting, climbing formwork erecting construction, pouring construction, vibrating construction, maintenance construction and the like, the pier column construction quality and construction efficiency are improved, and safety accidents are reduced or even eradicated.

The utility model discloses a fixer for assembling a fragmented end socket, which belongs to the technical field of end socket installation and comprises a base and a rotating disc. A clamping assembly is arranged on the rotating disc and comprises an outer arc-shaped clamping plate and an inner arc-shaped clamping plate, a clamping assembly is arranged on the outer arc-shaped clamping plate, and a sliding assembly is arranged on the inner arc-shaped clamping plate. According to the fixing device, the outer arc-shaped clamping plates slide to position the fragments, the positions of the inner arc-shaped clamping plates are adjusted to fix the fragments, the situation that the positions of the fragments are changed in the assembling process is avoided, the assembling process is simpler and more convenient, manpower is saved, the assembling efficiency can be improved, and the assembling cost can be reduced.

The invention relates to a gear transmission type centrifugal pump testing device which comprises a rack, a motor, a gear box, a gear transmission type centrifugal pump, a lubricating system and a water supply system. The gear box comprises a box body and a gear transmission assembly, the motor and the gear box are installed on the rack, and the power input end of the gear transmission assembly is in transmission connection with the power output end of the motor. A first mounting hole is formed in a box body of the gear box, the gear transmission type centrifugal pump is detachably and fixedly mounted on the box body, and a transmission gear of the gear transmission type centrifugal pump enters the box body through the first mounting hole and is meshed with a gear of the gear transmission assembly; the lubricating system is used for providing lubricating oil for the gearbox; the water supply system is used for supplying water to the gear transmission type centrifugal pump. The invention further provides a test method. According to the invention, the operation state of the gear-type centrifugal pump on the diesel engine can be better simulated, the gear engagement state can be inspected, the assembly time can be shortened, and the test efficiency of the gear-type centrifugal pump can be improved.

The utility model discloses a water pump assembly, an indoor unit and heating and ventilation equipment, the water pump assembly comprises a mounting bracket, a water pump and a fixing component, and the water pump comprises a plurality of supporting legs; the fixing component is detachably connected with the mounting bracket, and the fixing component and the mounting bracket are used for clamping and fixing the plurality of supporting legs, so that the fixing component, the mounting bracket and the water pump are relatively fixed. According to the technical scheme, the assembling efficiency of the water pump and the mounting support can be improved.

The utility model belongs to the technical field of wafer rotary adsorption devices used in semiconductor processing, and particularly relates to a rotary adsorption device capable of being used for warped wafers, which comprises a driving motor, a vacuum chuck connecting seat, a vacuum chuck and a flexible outer ring, and the flexible outer ring is divided into a mounting ring part and an adsorption edge part which are connected together. And the mounting ring part of the flexible outer ring is clamped into the mounting ring part clamping ring groove of the vacuum chuck in an interference fit manner. According to the utility model, through the arrangement of the vacuum chuck with the vacuum adsorption channel and the flexible outer ring, after negative pressure is generated at the vacuum adsorption channel, the adsorption edge part of the flexible outer ring is stably attached to the peripheral position of the bottom surface of the wafer and the wafer is adsorbed; and the absorption of the warped wafer is not influenced by the concave-convex formed in the middle of the surface of the wafer, so that the normal wafer and the warped wafer can be stably absorbed, and the wafer is prevented from falling off and being damaged when the wafer is driven to rotate.

The utility model discloses a grounding bolt for electric power engineering, which comprises a grounding bolt body and a grounding terminal, and the bottom end of the grounding bolt body is provided with a conical part; and the outer wall surface of the upper end of the grounding bolt body sinks to form a mounting concave surface which meets the requirement that the grounding terminal is semi-embedded. The bottom of the whole grounding bolt adopts the conical design, the whole grounding bolt can be conveniently inserted into soil, meanwhile, the mounting concave surface is reserved on the grounding bolt main body, and when the grounding bolt is connected with a grounding terminal, the grounding terminal can be clamped in the mounting concave surface in advance, so that the grounding terminal is prevented from being damaged. At the moment, the position of the grounding terminal can be limited in an auxiliary manner, and the contact area between the grounding bolt body and the grounding terminal can be increased, so that the subsequent grounding effect is improved; in addition, the threaded rod is reserved on the grounding bolt, and when the grounding terminal is installed subsequently, only the grounding terminal needs to be installed on the threaded rod and is fixed by the nut, so that the assembly is simpler, and the overall assembly time can be saved.

An assembly type building wallboard supporting device comprises a lap joint frame, an upper adjusting mechanism, a lower adjusting mechanism and a fixing base, one end of the upper adjusting mechanism and one end of the lower adjusting mechanism are rotationally connected with the fixing base, and the other end of the upper adjusting mechanism and the other end of the lower adjusting mechanism are rotationally connected with the upper portion and the lower portion of the lap joint frame respectively. The number of the lap joint frames is two, and the two lap joint frames are arranged side by side and fixedly connected through a transverse rod. The bottoms of the lap joint frames are inserted into the lifting frames, and the two lifting frames are fixedly connected through the other cross rod. Fixing frames are arranged in the middles of the transverse rods, the top of the upper adjusting mechanism is rotationally connected with the transverse rod between the two lap joint frames through the fixing frames, the top of the lower adjusting mechanism is rotationally connected with the transverse rod between the two lifting frames through the fixing frames, and the front face and the back face of the top of the wallboard are clamped and fixed through the lap joint frames; the problems that force borne by an inclined supporting mechanism is large, a wall can be damaged after punching, and holes need to be repaired after assembling are solved. And the problem that a wall body with a relatively high installation height is easy to shake or topple over is solved through the lifting frame.

The utility model discloses full-automatic production equipment for automobile parts, which comprises a worktable and a turntable rotationally mounted on the worktable, and a handle head feeding station, a handle head fixing station, a gear handle assembling station and a gear handle blanking station are sequentially arranged along the rotating direction of the turntable; a handle head discharging mechanism is arranged on the handle head discharging station, chuck adjusting mechanisms are arranged on the handle head fixing station and the gear handle discharging station, and a handle rod discharging mechanism is arranged on the gear handle assembling station. And gear handle positioning mechanisms are uniformly arranged on the turntable at intervals in the circumferential direction. According to the automatic gear handle assembling machine, the automatic gear handle assembling work is completed through mutual cooperation of the handle head feeding station, the handle head fixing station, the gear handle assembling station and the gear handle discharging station, the tedious step that screws need to be manually tightened one by one in a traditional mode is abandoned, the assembling time is greatly shortened, and therefore the production efficiency is greatly improved.

The invention discloses an aero-engine core engine rotor press-fitting assembly device which comprises a supporting rod, a mounting base, a pull rod and an upper pressing plate which are sequentially arranged from top to bottom, a lower base is further arranged in the center of the top face of the mounting base, and connecting blocks are evenly arranged on the top face of the mounting base around the lower base. The bottom of the connecting block downwards penetrates through the mounting base and is connected with an actuating cylinder arranged at the bottom of the mounting base, the bottom of the pull rod is connected with the connecting block, a pull rod connecting clamping groove is formed in the position, right opposite to the pull rod, of the edge of the upper pressing plate, and a pressure sensor and an electronic display screen are further arranged on the top face of the lower base. The pressure sensor is located between the rotor and the lower base and is in electric signal connection with the electronic display screen. The problems that when a high-pressure compressor rotor and a high-pressure turbine rotor are assembled, due to interference of interference spigots and warping of installation edges, the rotors cannot be tightly attached, rotor assembly jumping is unqualified, and a main machine vibrates are solved.

The utility model discloses a high -order curtain wall discoloration glass intelligence optical performance detection device, include: bottom plate, the top fixed connection of bottom plate has the limit slot piece, the top fixed connection of limit slot piece has the detection body through bolt, wheel replacement subassembly, the bottom rotation connection of wheel replacement subassembly with the top of bottom plate, wheel replacement subassembly is used for the user in the device is carried out rotation replacement, loading debugging component, the surface fixed connection of loading debugging component one side with wheel replacement subassembly, the utility model relates to glass detection technical field. This high -order curtain wall discoloration glass intelligence optical performance detection device, utilize the setting of loading debugging component, and the staff can be in the detection process, in the outside, the large high -order curtain wall discoloration glass is inserted into the plug -in block in swing frame, avoids the installation of glass in the detection equipment and spends a lot of time, before detection, only need to insert the plug -in block of external frame bottom into the installation slot piece.

The utility model provides a kind of automobile safety handle assembling device, including workbench, torsional spring installation component, damper shaft set component and torsional spring shaft set component, and the positioning seat for positioning panel is fixed on workbench;Torsional spring installation component is used to install torsional spring to torsional spring articulating seat, it includes the guide bushing slidable towards torsional spring articulating seat and the push rod slidingly installed in guide bushing, and the torsional spring extrusion slot of torsional spring is set in the side of guide bushing;When push rod pushes out torsional spring, the inner wall of torsional spring extrusion slot pushes and pushes the two supporting legs of torsional spring, to make torsional spring occur torsional deformation;Damper shaft set component is installed in the side of positioning seat, for installing damper shaft;Torsional spring shaft set component is installed in the other side of positioning seat, for installing torsional spring shaft;A kind of automobile safety handle assembling device provided by the utility model, overcome the defect that existing automobile safety handle torsional spring and pivot are inconvenient to install.

The invention relates to a drive shaft (10) for a wiper system (100), the drive shaft (10) having a first end (12) and a second end (14), the first end (12) being connectable to a drive in order to transmit a torque, the second end (14) having a contact means (16), the contact means (16) being configured to contact the first end (12) and the second end (14). The contact means (16) have a substantially square and / or rectangular cross-section (18) orthogonal to a main direction of extension (20) between the first end (12) and the second end (14), the contact means (16) being provided for transmitting the torque to a wiper arm (200).

The utility model discloses a pump oil system spring seal and plunger integrated press fitting device which is characterized by comprising a connecting block fixedly installed on a piston rod of a press machine, an outer sleeve is fixedly installed at the lower end of the connecting block, a sliding shaft is installed in the outer sleeve in a sliding mode, and a spring is arranged between the sliding shaft and the lower end of the outer sleeve. The sliding shaft is located at the lowest position under the action of the spring; two-stage stepped holes are formed in the lower end of the sliding shaft, a plunger pressing head is installed in the small-diameter hole, a spring sealing pressing head is installed in the large-diameter hole, and the spring sealing pressing head is fixed through a tightening screw arranged at the lower end of the sliding shaft in the radial direction. In conclusion, the special structure and material design are adopted, it is ensured that enough pressure and stability can be provided in the press-fitting process, and therefore it is ensured that the spring seal and the plunger can be accurately and reliably pressed into the hole of the plunger sleeve. Meanwhile, the device further has good adaptability and flexibility and can meet the assembly requirements of oil pumping system components of different specifications and models.