77results about How to "Motion track stability" patented technology

The invention discloses an underwater robot intelligent control method and system based on deep learning, and relates to the technical field of underwater obstacle avoidance of underwater robotics.The method comprises the steps that a deep learning calibration model is established through a deep learning algorithm, and the avoidance rate index BrsL in the underwater robot avoidance process is constructed; the ocean current speed and direction of the area where the underwater robot is located and the real-time vertical descending depth, the underwater temperature value and the submerging seawater pressure value of the propeller in the obstacle avoiding process are monitored and monitored, an ocean current influence index YL and a relative strength index Xd are calculated and evaluated, and the ocean current influence index YL and the relative strength index Xd are evaluated; if a multi-stage calibration control strategy of the first calibration instruction and the second calibration instruction is triggered, the power of the propeller and the posture of the underwater robot are adjusted, and timely adjustment is carried out according to the change of the vertical descending depth so as to adapt to the ocean current environment, and it is guaranteed that the underwater robot stably moves in the obstacle avoidance process.

The utility model discloses an anti-deformation bearing thin-wall part machining supporting and fixing structure which comprises a base and a supporting assembly, a machining table is connected to the top of the base, clamping blocks are arranged on the two sides of the top of the machining table, and the supporting assembly is arranged in the machining table and comprises a bevel gear ring and a plurality of bevel gears meshed with the bevel gear ring. A lead screw is arranged in the machining table through a plurality of rotating frames, the surface of the lead screw is in transmission connection with a supporting plate through a lead screw nut, the supporting and fixing structure is provided with a supporting assembly, a driving motor drives a bevel gear ring to rotate, a plurality of bevel gears rotate synchronously, then the lead screw is driven to rotate, and the supporting plate ascends to support the interior of the thin-wall part; by means of the internal supporting mode, pressure and friction force borne by the inner wall of the thin-wall part during polishing can be effectively dispersed, deformation caused by lack of supporting is avoided, the size precision, the shape precision and the surface quality of the bearing thin-wall part are guaranteed, the product percent of pass is increased, and waste products are reduced.

The utility model discloses a material taking device of connecting rod type stamping equipment, and relates to the technical field of stamping equipment. The device comprises a shell, a fixing plate is fixedly connected to the inner wall of the shell, a hydraulic telescopic rod is fixedly connected to the top of the fixing plate, the bottom end of the hydraulic telescopic rod penetrates through the fixing plate and is fixedly connected with an upper mold plate, a lower mold plate is fixedly connected to the interior of the shell, a discharging plate is movably arranged in the shell, and the discharging plate is arranged to be inclined; a material storage box is slidably arranged in the shell and located below the discharging plate, a through hole is formed in the shell and located below the lower die plate, a waste material box is arranged in the shell, a high-pressure air gun is arranged on one side of the discharging plate, connecting rod mechanisms are arranged on the two sides of the shell, the discharging plate moves to the position below the lower die plate, and only parts need to be blown off at the moment. The position adjusting frequency of the high-pressure air gun is reduced, production errors caused by position deviation are reduced, and the stability and reliability of a production line are improved.

The utility model discloses a multi-station electronic connector precision stamping die which comprises a bottom plate, supporting rods are fixedly connected to the four sides of the top of the bottom plate, the positions, close to the tops, of the four supporting rods are sleeved with and slidably connected with a movable plate, an upper die base is fixedly installed at the bottom of the movable plate, and a lower die base is fixedly installed at the bottom of the upper die base. A reinforcing plate is fixedly connected to the center of the top of the bottom plate, a lower die base is arranged on the top of the reinforcing plate, and side edge plates are fixedly connected to the two sides of the lower die base. According to the multi-station electronic connector precision stamping die, the buffer mechanism composed of the buffer plate, the damping rod and the buffer spring is arranged at the bottom of the lower die base, impact force generated in the stamping process is effectively absorbed and dispersed, the overall stability of the die is greatly improved, the service life of the die is prolonged, and the production efficiency is improved. And the structural integrity of the die can be kept under the high-speed stamping condition, and damage caused by impact is avoided.

The utility model discloses a precise plastic mold capable of quickly demolding. The precise plastic mold comprises a top plate, a front mold plate, a rear mold plate, a bottom plate, a rotary core-pulling assembly and an ejector pin assembly, a cavity insert is arranged at the bottom of the front mold plate, a core insert is arranged at the top of the rear mold plate, a forming cavity used for injection molding of a product is formed between the cavity insert and the core insert, and the rotary core pulling assembly is arranged in the forming cavity and comprises a push-pull air cylinder, a straight rack, an arc-shaped rack, a rotating shaft and a first inner core. The first inner core of the rotary core-pulling assembly is used for stretching into the forming cavity so as to be used for forming an arc-shaped position of a product, and when the product needs to be demolded after injection molding is completed, the push-pull air cylinder can drive the spur rack to do telescopic movement so as to drive the arc-shaped rack to rotate, so that the first inner core is controlled to be pulled out of the forming cavity; and then the formed product can be ejected out of the forming cavity by the ejector pin assembly, so that the demolding process is completed, the whole core-pulling demolding process is rapid in action, and the production efficiency of the product is effectively improved.

The invention discloses a pneumatic muscle driving joint force position control method and device based on fuzzy admittance and a medium. According to the method, firstly, through dynamic adjustment of the fuzzy admittance model, accurate cooperative control over the joint position and the output force is effectively achieved; secondly, the self-adaptive capacity of the system to external disturbance is enhanced by monitoring the influence of the external disturbance on the joints in real time; and the fuzzy admittance model dynamically adjusts admittance parameters according to the data, so that the control requirements of force and position are balanced, and the system can still maintain a predetermined control effect under a disturbance condition. Finally, through closed-loop feedback control, in combination with real-time monitoring data and an expected control instruction, admittance parameters are continuously adjusted, and the stability and robustness of the system in a complex dynamic environment are enhanced.

The utility model relates to the technical field of button switch processing, in particular to a button switch cold bending tool which comprises a bottom plate and a top plate, the top of the bottom plate is fixedly connected with a lower die, the top of the lower die is connected with a jacking assembly, and the outer surface of the jacking assembly is sleeved with a button switch shell. Bending parts are arranged at four corners of the top of the button switch shell; an upper die is fixedly connected to the middle of the top plate, a forming cavity is formed in the bottom of the upper die, and the forming cavity is located over the button switch shell. According to the utility model, the compression of the buffer spring provides an upward counter-acting force for the jacking block, so that the button switch shell can be uniformly stressed in the cold bending process, and local stress concentration is avoided; when the upper die completes cold bending machining and moves upwards, the jacking block resets upwards under the elastic force effect of the buffer spring, the button switch shell is driven to return to the initial position, the button switch shell is conveniently taken down, and the production efficiency and the product quality are improved.

The utility model discloses a fire-fighting pipeline air tightness detection device, and relates to the technical field of pipe fitting air tightness detection, in particular to a fire-fighting pipeline air tightness detection device, which comprises a pipe fitting, a working table, a driving part, a clamping part and a detection part, and is characterized in that the pipe fitting is placed on the working table; the second gear is driven by the motor to rotate, the clamping plate and the plugging plate are driven to act at the same time, and rapid clamping and plugging of the pipe fitting are achieved. Compared with the prior art, the two ends of the pipeline do not need to be operated respectively, the operation steps are greatly simplified, and the detection efficiency is improved. Specifically, after the motor is started, the second gear drives the two clamping plates and the two plugging plates to be close to the pipe fitting at the same time through cooperation of the annular groove and the supporting column. The clamping plate firstly makes contact with the pipe fitting and clamps and limits the pipe fitting, then the plugging plate continues to move to plug the two ends of the pipe fitting, the whole process is completed at a time, repeated manual adjustment is not needed, and the detection speed and convenience are remarkably improved.

The utility model discloses a swing type rotating gun welding machine which comprises a supporting frame, a swing mechanism is arranged on the supporting frame, the swing mechanism comprises a rotating shaft, an installation frame, a swing frame, a sliding sleeve, a large rack, an air cylinder and a large gear, and a bunching mechanism is arranged on the swing frame. The bunching mechanism comprises a connecting seat, a bunching sleeve, a screw sleeve, screws, bunching clamps, a tension spring, a push plate, a pinion, a transmission sleeve, a pinion rack and a limiting mechanism, the connecting seat is fixed in the swing frame, the combined design of the connecting seat, the bunching sleeve and the screw sleeve is adopted, the distribution of the screws and the bunching clamps is matched, a reliable cable management system is formed, and the service life of the cable management system is prolonged. Through meshing transmission of the small gear, the transmission sleeve and the small rack, synchronous movement of the multiple sets of bunching clamps is achieved, the surface of the air pipe is protected through the design of the soft cushion, the limiting plate provides a stable movement track for the bunching clamps, and the whole bunching system can effectively manage various cables and prevent winding and damage.

The utility model discloses a solar panel device capable of automatically expanding and expanding through overlying, which relates to the technical field of solar panels and comprises a shell, a top solar panel is arranged on the upper surface of the shell, a lower movable cavity and an upper movable cavity are arranged in the shell, a telescopic mechanism is arranged in the lower movable cavity, and a solar panel is arranged in the upper movable cavity. A limiting assembly used for limiting the moving position is further arranged on the surface of one side of the telescopic mechanism, an extending assembly is further arranged at the tail end of the telescopic mechanism, the telescopic mechanism comprises a rotatable rotating disc, the rotating disc is arranged in the center of the interior of the lower movable cavity, and a driving motor is arranged below the rotating disc; according to the scheme, through the arrangement of the telescopic mechanism and the limiting assembly, the solar panel can be rapidly and stably unfolded or folded, and therefore flexible adjustment of the solar energy collecting face is achieved.

The invention relates to the technical field of workpiece polishing, and discloses a polishing and grinding device for rotary workpiece manufacturing, which comprises a base, a movable cover is slidably arranged on the inner side of the base, air inlet covers are connected to the two sides of the base, one end of each air inlet cover is connected with the same air inlet pipe, and an air flow frame is connected to the interior of the base. And one side of the inner wall of the base is connected with an ultrasonic generator, the bottom end of the inner wall of the base is connected with an electromagnet, a crankshaft is rotationally arranged between the inner sides of the movable covers, one end of the crankshaft is rotationally provided with a plurality of sets of connecting suites, and the other ends of the connecting suites are connected with universal joints. According to the multi-workpiece polishing device, all-around uniform grinding of multiple workpieces is achieved, uncertainty of manual polishing is avoided, the machining efficiency is improved, it is ensured that the motion trail of the workpieces is stable in the high-speed reciprocating polishing process, accidental loosening is prevented, stable lifting of the movable cover is achieved, mechanical abrasion is reduced, and the working environment is clean.

The utility model provides a kind of multi-directional rotation locking's building model display platform, it is related to display platform technical field, comprising: bottom plate;Rotary locking assembly, rotary locking assembly includes the support frame being set on bottom plate, in the utility model, this display platform realizes multi-angle display by rotary locking assembly and lifting adjustment component cooperation, when working, transmission motor drives the rotation of first support plate, and clamping block is embedded in ratchet slot under the action of telescopic spring and realizes mechanical locking, ensure that the display angle is accurately fixed, and the hydraulic push rod of lifting adjustment component promotes the up-and-down movement of third support plate, drives the lifting of entire support frame, changes model display height, rotation and lifting action can be independently or synchronously carried out, fixed block guides clamping block linear motion, ensure the accurate engagement with ratchet slot, realize the multi-directional rotation of display model, arbitrary angle locking and height adjustment function, satisfy all-around display requirement.

The utility model provides an optical fiber distribution box comprising a distribution box housing, the distribution box housing is provided with a drawing groove, one end of the drawing groove is a drawing port, and the periphery of the drawing port is provided with a locking groove; the drawing box is positioned in the drawing groove, and the drawing box is used for accommodating an optical fiber; a movable space is formed between the outer wall of the drawing box and the drawing opening; the buckle handle is arranged in the movable space, the buckle handle is movably connected with the drawing box, and the buckle handle comprises a locking protrusion; and through the movement of the buckling handle, the locking bulge can be matched with the locking groove, so that the drawing box is fixed in the drawing groove. According to the utility model, the problem of how to fix the optical fiber distribution box is solved.

The present application relates to the field of combination processing, in particular to a spring assembly device, method and watch assembly equipment. The spring assembly device comprises an assembly execution member, an opening and closing control member and an assembly driving mechanism. The assembly execution member is provided as a pair, and an opening and closing channel is formed therebetween. One end of the pair of assembly execution members has a relatively fixed spatial position, and the free end is configured as a clamping portion. The opening and closing control member is fixed with the base and is accommodated in the opening and closing channel. The assembly driving mechanism is connected with the pair of assembly execution members and drives the pair of assembly execution members to reciprocate between a material receiving station and an assembly station. The opening and closing channel is provided with a first calibration point in the direction towards the clamping portion and a second calibration point located upstream of the first calibration point. The width of the opening and closing channel corresponding to the first calibration point is smaller than the width corresponding to the second calibration point. The opening and closing control member entering the first calibration point spreads the assembly execution members to make the clamping portion open for the spring to be loaded. The clamping portion resets when the opening and closing control member enters the second calibration point.

The present invention discloses a medical universal telescopic drill, a control method and an application thereof; the present invention relates to the technical field of dental surgical instruments; the present invention comprises a telescopic component 3 which is telescopically and universally adjusted in the main body component 2, the telescopic component 3 comprises a plurality of small free bodies 302 with dipole moments, the telescopic and universal adjustments can be performed separately or simultaneously; a discretized PID controller receives a target value tv (desired magnetic field strength and direction) and an actual feedback value fv (current magnetic field strength and direction) as inputs; an error E between the target value tv and the feedback value fv is calculated; the present invention realizes the telescopic and universal angle adjustment of the drill component through electromagnetic control, so that the doctor can position and operate more accurately during the operation, and by combining the discretized PID controller and the bidirectional Bi‑GRU recurrent neural network, the integral action and saturation value of the PID controller can be adjusted in real time to adapt to changes in the system state.

The utility model relates to the technical field of clamping devices, and discloses a clamping device suitable for a tensile test of a plastic product, which comprises a sliding support, a transmission rod is rotatably connected in the sliding support, one end of the transmission rod is fixedly connected with a handle, the other end of the transmission rod is fixedly connected with a rotating disc, and the rotating disc is fixedly connected with the sliding support. A mounting seat is slidably connected to the outer wall of the sliding support, a clamp is fixedly connected to the outer wall of the mounting seat, a mounting hole is formed in the mounting seat, the outer wall of the rotating disc is rotatably connected to the interior of the sliding support, and a dismounting and mounting assembly is arranged in the rotating disc and used for dismounting and mounting the mounting seat. According to the utility model, the rapid dismounting and replacement of the mounting seat and the fixture on the outer wall of the mounting seat are realized, the operation efficiency is greatly improved, the operation complexity during fixture replacement is reduced at the same time, and the test requirements of plastic products with different specifications are met.

The utility model discloses a wedge interaction tackle of a car door edge covering die, which relates to the technical field of car door edge covering and comprises a base and a tackle guide plate arranged on the base. A pre-bending slotting tool is arranged on one side of the top of the pulley guide plate; edge covering wedges are arranged at the two ends of the pre-bending slotting tool, and pre-bending guide rods are arranged on the two sides of the edge covering wedges correspondingly; a driving mechanism is arranged on the opposite side of the pre-bending slotting tool and is connected with the base; a position sensor is arranged in the middle of the base; grooves are formed in one sides of the edge covering wedges at the two ends, nitrogen cylinder mounting blocks are arranged in the grooves, and nitrogen cylinders are arranged on one sides of the nitrogen cylinder mounting blocks. According to the utility model, mutual interference between the edge covering wedge and the pre-bending slotting tool is avoided, so that the edge covering wedge can return normally, and the qualification rate of the side turning surface of the vehicle door outer plate is improved; and for different edge covering dies, only the structure size of the tackle needs to be adjusted according to actual requirements, and the moving time sequence of the tackle is correspondingly adjusted according to data requirements, so that the application is wider.

The utility model relates to the technical field of stoma base plate cutting, and discloses a stoma base plate trimming device which comprises a central shaft rod, a main body sliding rod, a positioning cylinder, an action structure and a cutting mechanism, and the central shaft rod is used for being axially sleeved and matched with a middle round hole of a stoma base plate and axially attached and positioned; the main body sliding rod is located at the first end of the center shaft rod and arranged in the radial direction of the center shaft rod. The action structure is slidably and adjustably arranged on the main body sliding rod to form a first sliding mechanism, the cutting mechanism is arranged on the action structure, and the cutting mechanism is used for being arranged towards the stoma base plate so that cutting can be conveniently conducted on the stoma base plate; the positioning cylinder is arranged on the action structure, the positioning cylinder is parallel to the main body sliding rod, and the positioning cylinder is arranged towards the central shaft rod and is in sliding fit with the main body positioning hole in the central shaft rod to form a second sliding mechanism. The cutting size of the opening can be accurately controlled through the action structure, positioning is accurate, and the structure is simple.

The utility model discloses a welding device for manufacturing electromechanical equipment, and relates to the technical field of welding. Comprising a supporting mechanism, the supporting mechanism comprises a base, a notch is formed in the center of the top of the base, sliding plates are slidably connected to the two sides in the notch, a connecting rod is fixedly connected to one side of the top of each sliding plate, a fixing ring is fixedly connected to one end of each connecting rod, and a plurality of equidistant supporting rods are rotatably connected to the surface of each fixing ring. Through the arrangement of the supporting mechanism and the welding mechanism, in the using process, firstly, a pipe is placed on a supporting plate, meanwhile, a first air cylinder on a supporting frame is started to clamp the pipe from the outer wall of a pipeline through a clamping ring, and then a second air cylinder is started to push a sliding block to extrude a sliding ring to move along a connecting rod; in the process, the fixing rod enables the supporting plate to be tightly attached to the inner wall of the pipe for supporting under the cooperation of the supporting rod and the fixing ring, the pipe can be effectively prevented from deforming, and the quality of a welding seam is improved.

This application relates to the field of cleaning robot technology, and more particularly to a lifting device and a cleaning robot. The lifting device includes a top plate, a transmission assembly, a drive component, an elastic damping component, and a guide assembly. The transmission assembly includes a cooperating worm gear and worm shaft. One end of the elastic damping component is rotatably connected to the top plate, and the other end is rotatably connected to the cleaning component. Both ends of the guide assembly are connected to the top plate and the cleaning component, respectively. The drive component rotates to drive the worm shaft, which in turn rotates the worm gear, causing the cleaning component to rise or fall. During the descent of the cleaning component, the elastic damping component buffers the descent speed. By incorporating the transmission assembly, elastic damping component, and guide assembly, the problem of conventional cleaning robots causing significant impact force between the cleaning component and the ground during height adjustment, which can easily damage the equipment or the ground, is solved.

The utility model discloses a garbage can with a squeezing function, which comprises a can body shell, a garbage can body is arranged at the bottom of the inner side of the can body shell, a pressing device is arranged at the upper end of the garbage can body, an upper top cover is fixedly connected to the top end of the can body shell, and an opening and closing door is arranged at one side end of the can body shell. A garbage inlet is formed in the middle of one side of the opening-closing door, and a door lock is arranged at one corner of the upper end of the opening-closing door; the product has the advantages that the rotating motor realizes power transmission of the pressing device through the connecting screw rod, so that an efficient extrusion mechanism is provided, and the pressure sensor is arranged on one side of the bottom of the pressing plate and can monitor the pressure condition in the extrusion process in real time. And the movable fixing piece is movably connected through the screw rod, so that a relatively stable movement track can be kept in the extrusion process.

The utility model provides an automatic wood feeding machine, belongs to the technical field of wood feeding machines, and solves the technical problems that an existing wood feeding device is generally poor in structural stability, insufficient in motion control precision, difficult to achieve multi-component cooperative motion, low in production efficiency and the like. Comprising a rack assembly, a driving assembly, a first step feeding assembly arranged in an inclined mode and a second step feeding assembly arranged in an inclined mode, the driving assembly is arranged on the rack assembly, and the first step feeding assembly and the second step feeding assembly are arranged in a staggered mode; the first stepped feeding assembly and the second stepped feeding assembly are arranged on the rack assembly in a sliding mode in the same inclined direction, and the driving assembly is located below the first stepped feeding assembly and the second stepped feeding assembly and is in transmission connection with the first stepped feeding assembly and the second stepped feeding assembly. The wood feeding device is stable in supporting and accurate and coordinated in transmission, the wood feeding efficiency is improved, and diversified production requirements can be met.

The utility model relates to stamping die technical field, concretely, it relates to a stamping die structure with in -mold detection system, including movable mould and fixed mould, the bottom wall of fixed mould is provided with the central groove, the bottom wall of central groove is provided with the slide way that links with outside communication, the left and right sides groove wall of central groove all is provided with side slot, the below of fixed mould is provided with the pneumatic cylinder, the telescopic axle end of pneumatic cylinder penetrates into slide way and fixedly installed have the ejection disc, the ejection disc is located in the central groove and is connected with the sliding between central groove, the left and right sides of ejection disc surface all are fixedly installed with side plate, and the side plate is located in side slot, the top surface of side plate is fixedly installed with pressure sensor, and the top of pressure sensor is fixedly installed with the top plate, and the outside of fixed mould is provided with control host computer. The utility model is convenient for the detection operation of internal pressure, and it is beneficial to the smooth operation of stamping preparation.

The utility model belongs to the technical field of textile post-processing equipment, and particularly relates to a bristle cleaning device of a sueding roller. A bristle cleaning device of a sueding roller comprises a left support and a right support, a plurality of fixed cross beams are arranged between the left support and the right support, a main back plate is arranged on the inner side of the left support, and the two ends of the main back plate are fixedly connected to the inner side of the left support and the inner side of the right support respectively. Lifting grooves are formed in the two ends of the main back plate, and lifting sliding blocks are arranged in the lifting grooves in the two sides; a reset spring is arranged at the bottom of the lifting groove, the lower end of the reset spring abuts against the bottom of the lifting groove, and the upper end of the reset spring abuts against the bottom face of the lifting sliding block. A lifting transverse rod is arranged between the lifting sliding blocks on the two sides, a transverse sliding groove is formed in the lifting transverse rod, a transverse sliding block is arranged in the transverse sliding groove, and a plurality of metal needles are arranged at the bottom of the transverse sliding block; the two sides of the lower portion of the main back plate are each provided with a roller containing base.

The invention discloses a groundwater sampling device for soil and groundwater detection, which relates to the technical field of sampling devices and comprises: an inner cylinder for storing water samples, an outer cylinder for shielding and protecting the water inlet of the inner cylinder, and a base for inserting soil, wherein the bottom end of the inner cylinder is fixedly connected to the base, the bottom end of the outer cylinder is rotatably connected to the base, and the inner cylinder is arranged in the outer cylinder and rotatably connected to the outer cylinder, a water inlet one is provided through the outer surface of the outer cylinder, a filter screen for filtering sediment is fixedly provided in the water inlet one, and a mounting groove is provided at the top of the outer cylinder; in the invention, sediment can be effectively filtered and removed by the cooperation of components such as the filter screen and the scraper block, the filter screen is located at a water inlet and is used to filter sediment, and the scraper block scrapes off the sediment accumulated on the filter screen by rotating synchronously with the rotating cylinder, and the design of the block and the spring prevents sediment from entering the mounting groove during the removal process, thereby ensuring the cleanliness and normal function of the equipment.

The utility model discloses a chip test fixing device, which comprises a device bottom plate, a positioning plate is fixedly arranged above the front end of the device bottom plate, a movable plate is arranged at the front end of the device bottom plate along the lower part of the positioning plate, the positioning plate and the movable plate are both L-shaped plates, a translation block is fixedly arranged below the movable plate, and the translation block is fixedly arranged on the front end of the device bottom plate. A fixing plate is arranged below the translation block, the fixing plate is fixedly connected with the device bottom plate, a lead screw is rotationally installed in the middle of the lower portion of the translation block, the lower end of the lead screw penetrates through the fixing plate and is in threaded connection with the fixing plate, and a first rubber pad is fixedly installed on the inner side of the positioning plate; a second rubber pad is fixedly installed on the inner side of the movable plate. According to the invention, the rapid positioning capability of the chip is realized, and the practicability is improved, so that the problem that the chip is inconvenient to rapidly position and fix when the chip is fixed is solved.

The utility model discloses a press-fitting die for a gear ring component, which relates to the field of gear ring processing and comprises a bottom plate, a support frame arranged at the top end of the bottom plate, a top plate arranged at the top end of the support frame, a pressure cylinder arranged in the middle of the top plate, a stamping plate arranged at the bottom end of an output shaft of the pressure cylinder, and a stamping head arranged at the bottom end of the stamping plate. A female die is arranged at the bottom end of the bottom plate and located below the stamping head, a mounting groove is formed in the top end in the female die, a gear ring positioning mechanism is arranged in the mounting groove, a gear ring is arranged in the middle of the gear ring positioning mechanism, a bearing positioning mechanism is arranged at the top end of the female die, and a bearing is arranged in the middle of the bearing positioning mechanism. A heating assembly is arranged at the bottom end of the gear ring and located in the female die. According to the press-fitting device, press-fitting of the gear ring assembly can be completed, deformation resistance of materials can be overcome in the press-fitting process, the press-fitting effect and the press-fitting quality are improved, and reliable technical support is provided for production of the gear ring assembly.