CN108132158B

CN108132158B - Performance detection equipment for electronic parking actuator

Info

Publication number: CN108132158B
Application number: CN201711402451.8A
Authority: CN
Inventors: 顾宏超; 徐治平; 李国军; 疏涛; 吴宏城
Original assignee: Wuhu Quancheng Intelligent Technology Co Ltd
Current assignee: Wuhu Quancheng Intelligent Technology Co Ltd
Priority date: 2017-12-22
Filing date: 2017-12-22
Publication date: 2020-07-31
Anticipated expiration: 2037-12-22
Also published as: CN108132158A

Abstract

The invention discloses performance detection equipment of an electronic parking actuator, which comprises an actuator positioning device for placing the electronic parking actuator, a jacking device for controlling the actuator positioning device to switch between a jacking position and a descending position, a push-pull device for controlling the actuator positioning device to switch between a detection position and the jacking position, an actuator pressing device for applying pressing force to the electronic parking actuator and inserting a power supply plug into a connector of the electronic parking actuator, and a load device for connecting with a power output part of the electronic parking actuator and applying load. The performance detection equipment for the electronic parking actuator can conveniently detect the performance of the electronic parking actuator, improves the performance detection working efficiency of the electronic parking actuator and ensures the product quality.

Description

Performance detection equipment for electronic parking actuator

Technical Field

The invention belongs to the technical field of electronic parking actuator processing equipment of an electronic parking brake system of a motor vehicle, and particularly relates to performance detection equipment of an electronic parking actuator.

Background

In the process of implementing the invention, the inventor finds that the prior art has at least the following problems: after the electronic parking actuator of the electronic parking brake system of the motor vehicle is assembled, performance detection is required, and detection contents comprise various parameters such as current, torque, rotating speed and the like of the electronic parking actuator. The traditional technology has low detection working efficiency and insufficient accuracy of detection results.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides performance detection equipment of an electronic parking actuator, and aims to improve the performance detection working efficiency of the electronic parking actuator.

In order to achieve the purpose, the invention adopts the technical scheme that: the electronic parking actuator performance detection equipment comprises an actuator positioning device used for placing an electronic parking actuator, a jacking device used for controlling the actuator positioning device to switch between a jacking position and a descending position, a push-pull device used for controlling the actuator positioning device to switch between a detection position and the jacking position, an actuator pressing device used for applying pressing force to the electronic parking actuator and enabling a power supply plug to be inserted into a connector of the electronic parking actuator, and a load device used for being connected with a power output component of the electronic parking actuator and used for applying load.

The actuator positioning device comprises a positioning bottom plate, a positioning block and an actuator positioning pin, wherein the positioning block is arranged on the positioning bottom plate and used for placing the electronic parking actuator, and the actuator positioning pin is arranged on the positioning block and used for positioning the electronic parking actuator.

The actuator positioning pins are arranged in a plurality and are vertically arranged on the positioning blocks, and the shell of the electronic parking actuator is provided with holes for the actuator positioning pins to be inserted into.

The jacking device comprises a supporting plate, a jacking cylinder, a lower guide rod and a lower guide plate, wherein the supporting plate is arranged below the positioning bottom plate and used for supporting the actuator positioning device, the jacking cylinder is used for controlling the supporting plate to move along the vertical direction so as to enable the actuator positioning device to be switched between a jacking position and a descending position, the lower guide rod is connected with the supporting plate, the lower guide plate is sleeved on the lower guide rod and located below the supporting plate, and the lower guide plate is provided with a lower guide hole for inserting the lower guide rod.

The actuator pressing device comprises an upper pressing head assembly, a plug installation assembly and a pressing head driving assembly, wherein the upper pressing head assembly is located above the actuator positioning device and used for applying pressing force to the electronic parking actuator, the plug installation assembly is arranged on the upper pressing head assembly and used for enabling a power supply plug to be inserted into a connector of the electronic parking actuator, and the pressing head driving assembly is used for controlling the upper pressing head assembly to move along the vertical direction.

The plug installation assembly comprises a plug installation seat and a plug driving cylinder which is connected with the plug installation seat and used for controlling the plug installation seat to move along the horizontal direction, the power supply plug is arranged on the plug installation seat, and the plug driving cylinder is arranged on the upper pressure head assembly.

Go up the pressure head assembly and include the upper portion clamp plate, set up on the clamp plate of upper portion and be used for exerting the compaction force to electron parking executor compress tightly the pole and with the upper portion clamp plate with the pressure head connecting plate that pressure head drive assembly is connected, compress tightly the pole and set up a plurality ofly and compress tightly the pole and be located the top of locating piece, pressure head drive assembly is including compressing tightly the cylinder, with compress tightly the guide arm connecting plate that cylinder and pressure head connecting plate are connected, with the guide arm connecting plate be connected go up the guide bar and overlap locate on the guide bar and be located the last deflector of guide arm connecting plate top, go up the deflector and have and let go up guide hole.

The executor closing device still including set up in go up beat on the pressure head assembly beat the mark cylinder and beat the mark head with beat the mark cylinder and be connected and be used for beating the mark on electron parking executor.

The load device comprises a sliding probe which can be rotatably arranged, a spline sleeve which is arranged on the sliding probe and is used for being connected with a power output part of the electronic parking actuator, a probe driving assembly which is used for controlling the sliding probe to move along the vertical direction and a magnetic powder brake which is connected with the sliding probe.

The push-pull device comprises a push-pull guide plate used for supporting the actuator positioning device, a push-pull plate connected with the actuator positioning device and a push-pull driving assembly used for controlling the push-pull plate to move along the horizontal direction so as to enable the actuator positioning device to be switched between a detection position and a jacking position.

The performance detection equipment for the electronic parking actuator can conveniently detect the performance of the electronic parking actuator, improves the performance detection working efficiency of the electronic parking actuator and ensures the product quality.

Drawings

The description includes the following figures, the contents shown are respectively:

FIG. 1 is a schematic structural diagram of an electronic parking actuator performance detection apparatus of the present invention;

FIG. 2 is a partial structural schematic view of the electronic parking actuator performance detecting apparatus of the present invention;

FIG. 3 is a schematic view of the construction of the actuator positioning device;

FIG. 4 is a schematic structural view of a jacking device;

FIG. 5 is a schematic view of the construction of the actuator compression device;

FIG. 6 is a schematic structural view of a marking assembly;

FIG. 7 is a schematic view of the push-pull arrangement;

FIG. 8 is a schematic view of the structure of the load device;

FIG. 9 is a schematic structural view of the probe drive assembly;

FIG. 10 is a top view of the drive shaft and sliding probe;

FIG. 11 is a sectional view A-A of FIG. 10;

labeled as: 1. a detection workbench; 2. a housing; 3. an actuator positioning device; 301. positioning the bottom plate; 302. positioning blocks; 303. an actuator positioning pin; 304. positioning a groove; 305. avoiding holes; 306. a push-pull pin; 4. a jacking device; 401. a support plate; 402. jacking a cylinder; 403. a lower guide plate; 404. a lower guide bar; 5. an actuator pressing device; 501. a pressing cylinder; 502. an upper guide bar; 503. an upper guide plate; 504. a guide rod connecting plate; 505. a pressure head connecting plate; 506. an upper platen; 507. the plug drives the cylinder; 508. a plug mounting seat; 509. a hold down bar; 510. marking a cylinder; 511. marking a head; 512. a power supply plug; 6. a push-pull device; 601. a push-pull plate; 602. a push-pull guide plate; 7. a load device; 701. a magnetic powder brake; 702. sliding the probe; 703. a spline housing; 704. a lift cylinder; 705. a probe guide rod; 706. A torque sensor; 707. a coupling; 708. a drive shaft; 709. a load support; 710. a top rod; 711. A probe guide plate; 712. a measuring head deflector rod; 713. a lifting groove; 714. an anti-rotation boss; 8. a connector is provided.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a purpose of helping those skilled in the art to more fully, accurately and deeply understand the concept and technical solution of the present invention and to facilitate its implementation.

As shown in fig. 1 to 11, the present invention provides an electronic parking actuator performance detection apparatus, comprising a detection workbench 1, an actuator positioning device 3 for placing an electronic parking actuator, a jacking device 4 for controlling the actuator positioning device 3 to switch between a jacking position and a descending position, a push-pull device 6 for controlling the actuator positioning device 3 to switch between the detection position and the jacking position, an actuator pressing device 5 for applying a pressing force to the electronic parking actuator and inserting a power supply plug 512 into a connector of the electronic parking actuator, and a load device 7 for connecting with a power output component of the electronic parking actuator and applying a load, wherein the jacking device 4, the push-pull device 6, the actuator pressing device 5 and the load device 7 are arranged on the detection workbench 1, the load device 7 is positioned below the push-pull device 6, the actuator pressing device 5 is positioned above the push-pull device 6.

Specifically, the electronic parking actuator is configured to convert electrical energy into rotational kinetic energy and generate a driving force for linearly moving a brake pad of the electronic parking brake system relative to a brake disc in a direction parallel to an axial direction of the brake disc, so that the brake pad clamps or releases the brake disc. The electronic parking actuator mainly comprises a shell, a motor, a planetary gear speed reducing mechanism, a gear transmission mechanism and a power output component, wherein the motor, the planetary gear speed reducing mechanism, the gear transmission mechanism and the power output component are arranged in the shell, the gear transmission mechanism is used for transmitting power generated by the motor to the planetary gear speed reducing mechanism, the power output component is used for outputting rotary kinetic energy generated by the electronic parking actuator, the power output component is a gear, and the power output component is connected with the planetary gear speed reducing mechanism. As shown in fig. 1 and 2, a connector of the electronic parking actuator is disposed on the housing, the connector extends toward the outside of the housing, the connector is used for plugging a power supply plug 512, one end of the connector is fixedly connected with the housing, and the other end of the connector has an opening for inserting the power supply plug 512. One end of the shell is fixedly connected with the connector, the other end of the shell is provided with an opening, the opening is circular, and the power output component is positioned in the circular opening of the shell.

As shown in fig. 1 to 3, the actuator positioning device 3 includes a positioning base plate, a positioning block 302 disposed on the positioning base plate 301 and used for placing the electronic parking actuator, and an actuator positioning pin 303 disposed on the positioning block 302 and used for positioning the electronic parking actuator. The positioning bottom plate 301 is horizontally arranged, the positioning bottom plate 301 is positioned and supported by the jacking device 4, the positioning bottom plate 301 is a rectangular flat plate, and the length direction and the width direction of the positioning bottom plate 301 are parallel to the horizontal direction. The positioning block 302 is fixedly disposed on the top surface of the positioning base plate 301, the positioning block 302 has a positioning groove 304 for the housing of the electronic parking actuator to be embedded, the positioning groove 304 is a groove formed by recessing from the top surface of the positioning block 302 toward the inside of the positioning block 302, and the positioning groove 304 matches with the housing of the electronic parking actuator in shape. The actuator positioning pin 303 is provided in plurality and the actuator positioning pin 303 is vertically provided on the positioning block 302, and the housing has a hole into which the actuator positioning pin 303 is inserted. The actuator positioning pin 303 is vertically arranged on the positioning block 302, the actuator positioning pin 303 is inserted into the positioning block 302, the axis of the actuator positioning pin 303 is located in a vertical plane, the top surface of the positioning block 302 is a positioning surface for placing a shell of the electronic parking actuator, the actuator positioning pin 303 extends to the top surface of the positioning block 302, the actuator positioning pin is conveniently embedded into a hole in the shell of the electronic parking actuator, and accurate positioning of the shell of the electronic parking actuator is achieved.

In the present embodiment, as shown in fig. 3, two actuator positioning pins 303 are provided, the actuator positioning pins 303 are cylindrical pins, and the two actuator positioning pins 303 are located on the same straight line parallel to the length direction of the positioning base plate 301.

As shown in fig. 1 to 3, the actuator positioning device 3 further includes a push-pull pin 306 disposed on the positioning base plate and connected to the push-pull device 6, the push-pull device 6 has a shaft hole into which the push-pull pin 306 is inserted, the push-pull pin 306 is fixedly disposed on the positioning base plate, the push-pull pin 306 is vertically disposed, the push-pull pin 306 extends toward the top surface of the positioning base plate, the axis of the push-pull pin 306 is parallel to the axis of the actuator positioning pin 303, the push-pull pin 306 is disposed in plural numbers, all the push-pull pins 306 are disposed on the same straight line parallel to the first direction, the first direction is a horizontal direction, the first direction is parallel to the length direction of the positioning base plate, and all the actuator positioning pins 303 are also disposed on the same straight line parallel.

The actuator positioning device 3 is arranged to be switched between a jacking position and a descending position, the jacking device 4 is used for controlling the actuator positioning device 3 to do reciprocating linear motion in the vertical direction, and the descending position is located below the jacking position. When the actuator positioning device 3 is at the descending position, the actuator positioning device 3 is located at the bottom dead center position, that is, the actuator positioning device 3 is located at the lowest position, at this time, the actuator positioning device 3 and the push-pull device 6 are in the separated state, and the push-pull pin 306 is not inserted into the shaft hole of the push-pull device 6. When the actuator positioning device 3 is at the jacking position, the actuator positioning device 3 is located at the top dead center position, that is, the actuator positioning device 3 is located at the highest position, at this time, the push-pull pin 306 is inserted into the shaft hole of the push-pull device 6, so that the actuator positioning device 3 and the push-pull device 6 are in a connected state, and then the push-pull device 6 can control the push-pull device 6 for switching the actuator positioning device 3 between the detection position and the jacking position. The detection position and the jacking position are located at the same height, the detection position and the jacking position are located on the same straight line parallel to the second direction, the second direction is the horizontal direction, and the second direction is perpendicular to the first direction. The jacking device 4 and the push-pull device 6 are positioned on the same straight line parallel to the second direction, the push-pull device 6 can control the actuator positioning device 3 to do reciprocating linear motion in the second direction, and after the actuator positioning device 3 moves to the jacking position, the push-pull device 6 can enable the actuator positioning device 3 to move to the detection position.

As shown in fig. 1, 2 and 4, the jacking device 4 includes a supporting plate 401 disposed below the actuator positioning device 3 and used for supporting the actuator positioning device 3, a jacking cylinder 402 used for controlling the supporting plate 401 to move along the vertical direction, a lower guide rod 404 connected to the supporting plate 401, and a lower guide plate 403 sleeved on the lower guide rod 404 and located below the supporting plate 401, wherein the lower guide plate 403 has a lower guide hole for inserting the lower guide rod 404. The supporting plate 401 is parallel to the positioning bottom plate 301, the supporting plate 401 supports the positioning bottom plate 301 below the positioning bottom plate 301, the supporting plate 401 is a rectangular flat plate, the length direction and the width direction of the supporting plate 401 are both horizontal directions, the lower guide plate 403 is parallel to the supporting plate 401, the lower guide plate 403 is fixedly connected with the detection workbench 1, the lower guide plate 403 is a rectangular flat plate, the length direction and the width direction of the lower guide plate 403 are both horizontal directions, the lower guide hole is a through hole penetrating and arranged on the lower guide plate 403 along the plate thickness direction, the lower guide rod 404 is vertically arranged, the lower guide hole is a round hole, the lower guide rod 404 is a round rod body, the diameter of the lower guide rod 404 is the same as that of the lower guide hole, the lower guide rod 404 penetrates through the lower guide hole, the lower guide rod 404 is located below the supporting plate 401, and the upper end of the lower guide rod 404 is fixedly connected with the supporting plate 401. The lower guide bar 404 is matched with the lower guide plate 403 to guide the supporting plate 401, so that the supporting plate 401 is ensured to make stable linear motion along the vertical direction. Jacking cylinder 402 is located the below of layer board 401, jacking cylinder 402 and with lower deflector 403 fixed connection, jacking cylinder 402 is vertical setting, jacking cylinder 402's piston rod and layer board 401 fixed connection, through the flexible of jacking cylinder 402, control layer board 401 and the last executor positioner 3 of on do reciprocating linear motion along vertical direction.

As shown in fig. 4, two parallel lower guide rods 404 are provided, two lower guide holes are also provided, each lower guide rod 404 is inserted into one lower guide hole, and the jacking cylinder 402 is located between the two lower guide rods 404.

The actuator pressing device 5 is used for applying pressing force to the electronic parking actuator on the actuator positioning device 3 after the actuator positioning device 3 is at the detection position, so that the electronic parking actuator is fixed and electrified. As shown in fig. 1, 2 and 5, the actuator pressing device 5 includes an upper pressing head assembly located above the actuator positioning device 3 and configured to apply a pressing force to the electronic parking actuator, a plug mounting assembly disposed on the upper pressing head assembly and configured to insert the power supply plug 512 into a connector of the electronic parking actuator, and a pressing head driving assembly configured to control the upper pressing head assembly to move in a vertical direction.

As shown in fig. 1, 2, and 5, the upper ram assembly includes an upper platen, a plurality of hold-down rods disposed on the upper platen and used for applying a hold-down force to the electronic parking actuator, and a ram connecting plate connected to the upper platen and the ram drive assembly, the hold-down rods are disposed above the positioning blocks, the ram drive assembly includes a hold-down cylinder 501, a guide rod connecting plate connected to the hold-down cylinder 501 and the ram connecting plate, an upper guide rod 502 connected to the guide rod connecting plate, and an upper guide plate sleeved on the upper guide rod 502 and located above the guide rod connecting plate, and the upper guide plate has an upper guide hole into which the upper guide rod 502 is inserted. The upper pressure head assembly comprises an upper pressure plate 506, a plurality of pressure rods 509 arranged on the upper pressure plate 506 and used for applying pressing force to the electronic parking actuator, and a pressure head connecting plate 505 connected with the upper pressure plate 506 and the pressure head driving assembly, wherein the pressure rods 509 are arranged in a plurality, and the pressure rods 509 are positioned above the positioning blocks 302. The pressure head driving assembly comprises a pressing air cylinder 501, a guide rod connecting plate 504 connected with the pressing air cylinder 501 and a pressure head connecting plate 505, an upper guide rod 502 connected with the guide rod connecting plate 504, and an upper guide plate 503 sleeved on the upper guide rod 502 and located above the guide rod connecting plate 504, wherein the upper guide plate 503 is provided with an upper guide hole for inserting the upper guide rod 502. Go up the deflector 503 and parallel with lower deflector 404, go up deflector 503 and testing table 1 fixed connection, it is the rectangle flat board to go up the deflector 503, the length direction and the width direction of going up the deflector 503 are the horizontal direction, it runs through the through-hole that sets up for going up the via hole along the thick direction of board on last deflector 503 to go up the guiding hole, it is vertical setting to go up the guiding rod 502, it is the round hole to go up the guiding hole, it is the round rod body to go up the guiding rod 502, the diameter of going up the guiding rod 502 is the same with the diameter size of last guiding hole, it passes down the guiding hole to go up the guiding rod 502, go up the guiding rod 502 and be located the top of guide arm connecting plate 504, the lower extreme and the guide. The upper guide plate 503 is fixedly arranged, and the upper guide rod 502 is matched with the upper guide plate 503 to guide the guide rod connecting plate 504 and the upper pressure head assembly, so that the guide rod connecting plate 504 and the upper pressure head assembly are ensured to do stable linear motion along the vertical direction. The pressing cylinder 501 is fixedly connected with the lower guide plate 404, the pressing cylinder 501 is vertically arranged, a piston rod of the pressing cylinder 501 is fixedly connected with the guide rod connecting plate 504, and the guide rod connecting plate 504 and the upper pressure head assembly are controlled to do reciprocating linear motion along the vertical direction by the extension and retraction of the pressing cylinder 501. The upper guide rods 502 are provided with two parallel upper guide holes, the upper guide holes are also provided with two upper guide rods 502, each upper guide rod 502 is inserted into one upper guide hole, and the pressing air cylinder 501 is positioned between the two upper guide rods 502. The pressure head connecting plate 505 is vertically arranged, the pressure head connecting plate 505 is located between the upper pressure plate 506 and the guide rod connecting plate 504, the upper pressure plate 506 is parallel to the guide rod connecting plate 504, the upper end of the pressure head connecting plate 505 is fixedly connected with the guide rod connecting plate 504, the lower end of the pressure head connecting plate 505 is fixedly connected with the upper pressure plate 506, the pressure head connecting plate 505 is perpendicular to the guide rod connecting plate 504 and the upper pressure plate 506, the two pressure head connecting plates 505 are arranged in parallel, a certain distance is reserved between the two pressure head connecting plates 505, the two pressure head connecting plates 505 are respectively and fixedly connected with the upper pressure plate 506 at two ends of the upper pressure plate 506, and the upper pressure. The pressing rod 509 is a rod-shaped member vertically arranged, the pressing rod 509 extends towards the lower part of the upper pressure plate 506, the upper end of the pressing rod 509 is fixedly connected with the upper pressure plate 506, the lower end face of the pressing rod 509 is a pressing surface used for contacting with the shell of the electronic parking actuator, the pressing surface is a plane perpendicular to the vertical direction, the pressing rod 509 applies pressing force to the housing of the electronic parking actuator at a fixing lug on the housing of the electronic parking actuator, the housing of the electronic parking actuator is mounted on a caliper body of the brake caliper at the fixing lug through a bolt, the fixing lug of the housing of the electronic parking actuator is provided with a bolt hole through which the bolt passes, and the bolt hole is also used as a hole for inserting the actuator positioning pin 303, the pressing rod 509 is positioned above the actuator positioning pin 303, and the diameter of the pressing rod 509 is larger than that of the bolt hole on the fixing lug of the housing of the electronic parking actuator. After the actuator pressing device 5 applies pressing force to the shell of the electronic parking actuator, the actuator pressing device 5 presses the electronic parking actuator on the positioning block 302, the actuator pressing device 5 is matched with the actuator positioning device 3 to realize the positioning and fixing of the electronic parking actuator, the pressing surface of the pressing rod 509 contacts with the top surface of the fixing lug of the shell of the electronic parking actuator, and the bottom surface of the fixing lug contacts with the top surface of the positioning block 302. The actuator pressing device 5 applies pressing force to the electronic parking actuator at the fixing lug of the shell of the electronic parking actuator, so that the electronic parking actuator is not easily damaged, and the electronic parking actuator is ensured to be fixed and reliable.

As shown in fig. 1, 2, and 5, the two fixing lugs of the housing of the electronic parking actuator are symmetrically arranged, the two pressing rods 509 are also provided, the two pressing rods 509 are located on the same straight line parallel to the first direction, each pressing rod 509 is located right above one actuator positioning pin 303, and the two pressing rods 509 respectively apply pressing forces to the electronic parking actuator at the two fixing lugs on the housing of the electronic parking actuator, so that the electronic parking actuator is uniformly stressed and reliably fixed.

As shown in fig. 1, 2 and 5, the plug mounting assembly includes a plug mounting seat 508 and a plug driving cylinder 507 connected to the plug mounting seat 508 and used for controlling the plug mounting seat 508 to move in the horizontal direction, the power supply plug 512 is disposed on the plug mounting seat 508, and the plug driving cylinder 507 is disposed on the upper head assembly. The plug driving cylinder 507 is used for controlling the plug mounting seat 508 to do reciprocating linear motion along the second direction, the plug driving cylinder 507 is fixedly connected with the upper pressing plate 506, and the plug driving cylinder 507 is horizontally arranged. The power supply plug 512 is used for connecting a wiring harness, the power supply plug 512 is vertically arranged, and the power supply plug 512 is fixedly connected with the plug mounting seat 508. The plug driving cylinder 507 is located at one side of the upper pressure plate 506, one end of the plug mounting seat 508 is fixedly connected with a piston rod of the plug driving cylinder 507, and the other end of the plug mounting seat 508 is connected with the power supply plug 512. After the electronic parking actuator finishes positioning and is carried to a detection position by the actuator positioning device 3, a connector on the electronic parking actuator is in a vertical state, an opening at the end part of the connector is opened upwards, the power supply plug 512 is positioned right above the connector at the moment, when the upper pressure head assembly moves downwards, the upper pressure head assembly can drive the plug installation assembly to move downwards synchronously, finally, the power supply plug 512 is also inserted into the connector while the electronic parking actuator is pressed, after the power supply plug 512 is inserted into the connector, the power supply plug 512 is electrically connected with the connector, so that a motor of the electronic parking actuator can be electrified when performance detection is carried out, the motor operates, and finally, the power output component rotates.

The actuator pressing device 5 with the structure can conveniently realize the fixation of the electronic parking actuator when the electronic parking actuator performs performance detection, and meanwhile, the electronic parking actuator is electrified, and the electronic parking actuator pressing device is compact in structure, small in occupied space, convenient to arrange, high in sealing reliability and capable of ensuring the accuracy of a performance test result of the electronic parking actuator.

As shown in fig. 1, 2, 5 and 6, the actuator pressing device 5 further includes a marking cylinder 510 disposed on the upper ram assembly, and a marking head 511 connected to the marking cylinder 510 and used for marking on the electronic parking actuator. The marking cylinder 510 and the marking head 511 form a marking assembly for marking on the qualified electronic parking actuator, the marking cylinder 510 is fixedly arranged on the upper pressing plate 506, the marking cylinder 510 is located between the two pressure head connecting plates 504, the marking head 511 is fixedly connected with a piston rod of the marking cylinder 510, the marking cylinder 510 is used for controlling the marking head 511 to do reciprocating linear motion in the vertical direction, the upper pressing plate 506 is provided with a through hole for the marking head 511 to pass through, and the through hole is a round hole which penetrates through the upper pressing plate 506 in the plate thickness direction. After the electronic parking actuator completes positioning and is carried to a detection position by the actuator positioning device 3, the marking head 511 is positioned right above the shell of the electronic parking actuator, when the electronic parking actuator completes performance detection and the detection result is qualified, the marking cylinder 510 pushes the marking head 511 to move downwards, and finally the marking head 511 marks on the surface of the shell of the electronic parking actuator to indicate that the product passes the performance test.

As shown in fig. 1, 2, 3 and 7, the push-pull device 6 includes a push-pull guide plate 602 for supporting the actuator positioning device 3, a push-pull plate 601 connected to the actuator positioning device 3, and a push-pull driving assembly for controlling the push-pull plate 601 to move in the horizontal direction to switch the actuator positioning device 3 between the detection position and the jacking position. The push-pull guide plates 602 are fixedly arranged on the detection workbench 1, the push-pull guide plates 602 are arranged in parallel, the two push-pull guide plates 602 are positioned on the same straight line parallel to the first direction, the push-pull guide plates 602 are positioned below the actuator pressing device 5, the push-pull guide plates 602 are in contact with the positioning bottom plate 301, the top surfaces of the push-pull guide plates 602 are horizontal planes, the top surfaces of the push-pull guide plates 602 are guide sliding surfaces in contact with the positioning bottom plate 301, and one end of each of the two push-pull guide plates 602 in the length direction of the positioning bottom plate 301 provides a supporting effect for the positioning bottom plate 301. The push-pull plate 601 is movably arranged on the push-pull guide plate 602, the push-pull plate 601 is positioned above the push-pull guide plate 602 and the positioning bottom plate 301, the push-pull plate 601 is used for being connected with the push-pull pin 306, the push-pull plate 601 is provided with a shaft hole for inserting the push-pull pin 306, and the push-pull plate 601 is a flat plate horizontally arranged. The push-pull driving assembly mainly comprises a push-pull driving cylinder which is fixedly arranged on the detection workbench 1 and connected with the push-pull plate 601, and the push-pull driving cylinder is used for controlling the push-pull plate 601 to do reciprocating linear motion along a second direction so that the push-pull plate 601 can control the actuator positioning device 3 and an electronic parking actuator on the actuator positioning device to move back and forth between a detection position and a jacking position.

As shown in fig. 1, 2, 3 and 7, in the present embodiment, two push-pull pins 306 are provided, two push-pull pins 306 are respectively located at one end of the positioning bottom plate in the length direction, two shaft holes are provided on the push-pull plate 601, each push-pull pin 306 is inserted into one shaft hole, and the shaft holes are through holes provided in the push-pull plate 601 in the plate thickness direction, so that the push-pull pins 306 are inserted into and pulled out of the shaft holes upward. The push-pull plate 601 is connected with the positioning bottom plate 301 through two push-pull pins 306, so that reliable connection between the push-pull device 6 and the actuator positioning device 3 is ensured, and the stability of the actuator positioning device 3 during movement can be improved.

As shown in fig. 1, 2, 3 and 8, the load device 7 includes a load bracket 709, a sliding probe 702 rotatably disposed, a spline housing 703 disposed on the sliding probe 702 and used for connecting with a power output component of the electronic parking actuator, a probe driving assembly for controlling the sliding probe 702 to move in a vertical direction, and a magnetic powder brake 701 connected with the sliding probe 702. The load support 709 is fixedly arranged on the detection workbench 1, the load support 709 is positioned below the push-pull device 6, and the load support 709 is vertically arranged. The sliding probe 702 is vertically arranged, the sliding probe 702 is rotatable and can perform reciprocating linear movement along the vertical direction, the sliding probe 702 is located below the push-pull device 6, the spline housing 703 is arranged at the upper end of the sliding probe 702, the spline housing 703 is used for being connected with a power output part of the electronic parking actuator, the power output part of the electronic parking actuator is a gear, the spline housing 703 is provided with an inner spline hole for inserting the power output part of the electronic parking actuator, and after the spline housing 703 is sleeved on the power output part, the spline housing 703, the power output part and the sliding probe 702 can synchronously rotate. After the electronic parking actuator is positioned and carried to a detection position by the actuator positioning device 3, a power output part of the electronic parking actuator is positioned right above the spline housing 703, a circular opening at the end part of the housing of the electronic parking actuator is in a state of being opened downwards, the positioning base plate 301 is provided with a through hole for the sliding probe 702 to pass through, the positioning block 302 is provided with an avoidance hole 305 for the sliding probe 702 to be embedded in, the avoidance hole 305 is communicated and coaxially arranged with the through hole on the positioning base plate 301, the avoidance hole 305 on the positioning block 302 is used for being aligned with the circular opening at the end part of the housing of the electronic parking actuator, after the electronic parking actuator is fixed on the positioning block 302, the avoidance hole 305 on the positioning block 302 is in a coaxial and communicated state with the circular opening of the housing of the electronic parking actuator, the spline housing 703 on the sliding probe 702 is in a coaxial state with the circular opening at the end part of the housing of the, under the action of the probe driving assembly, the sliding probe 702 moves upwards, the spline housing 703 and the sliding probe 702 move synchronously, and finally the spline housing 703 is sleeved on a power output part of the electronic parking actuator, and the spline housing 703 is meshed with the power output part of the electronic parking actuator.

As shown in fig. 1, 2, and 8 to 11, the probe driving assembly includes a stylus lever 712 connected to the sliding probe 702, a lift cylinder 704 for controlling the stylus lever 712 to move in a vertical direction, a stylus guide rod 705 connected to the stylus lever 712, and a stylus guide plate 711 sleeved on the stylus guide rod 705 and located below the stylus lever 712, wherein the stylus guide plate 711 has a guide hole into which the stylus guide rod 705 is inserted. The gauge head guide plate 711 is parallel to the gauge head shift lever 712, the gauge head guide plate 711 is fixedly connected with the load support 709, the gauge head guide plate 711 is a rectangular flat plate, the length direction and the width direction of the gauge head guide plate 711 are horizontal directions, the guide hole is a through hole which is formed in the gauge head guide plate 711 in a penetrating mode along the plate thickness direction, the gauge head guide rod 705 is vertically arranged and is a circular hole, the gauge head guide rod 705 is a circular rod body, the diameter of the gauge head guide rod 705 is the same as that of the guide hole, the gauge head guide rod 705 penetrates through the guide hole, the gauge head guide rod 705 is located below the gauge head shift lever 712, and the upper end of the gauge head guide rod 705 is. The stylus guide rod 705 cooperates with the stylus guide plate 711 to guide the stylus shift lever 712, ensuring stable linear movement of the stylus shift lever 712 and the sliding probe 702 in the vertical direction. The lifting cylinder 704 is located below the measuring head shift lever 712, the lifting cylinder 704 is fixedly connected with the measuring head shift lever 712 through the ejector rod 710, the ejector rod 710 is vertically arranged, the lifting cylinder 704 is vertically arranged, a piston rod of the lifting cylinder 704 is fixedly connected with the lower end of the ejector rod 710, the upper end of the ejector rod 710 is fixedly connected with the measuring head shift lever 712, the measuring head shift lever 712 is controlled to do reciprocating linear motion along the vertical direction through the extension and retraction of the lifting cylinder 704, the measuring head shift lever 712 simultaneously drives the sliding probe 702 and the spline housing 703 thereon to do reciprocating linear motion along the vertical direction, and the combination and separation of the spline housing 703 and a power output part of the electronic parking actuator are realized.

As shown in fig. 1, 2, and 8 to 11, the stylus shift lever 712 and the stylus guide plate 711 are horizontally disposed, the length directions of the stylus shift lever 712 and the stylus guide plate 711 are parallel to the first direction, the stylus shift lever 712 is located below the push-pull device 6, the plunger 710 is located between the stylus shift lever 712 and the stylus guide plate 711, and the plunger 710 is located between the slide probe 702 and the stylus guide rod 705. The stylus guide 705 is connected to the stylus lever 712 at one end of the stylus lever 712 in the longitudinal direction, and the slide probe 702 is connected to the stylus lever 712 at the other end of the stylus lever 712 in the longitudinal direction. Preferably, the sliding probe 702 is a cylinder, the axis of the sliding probe 702 is located in a vertical plane, the sliding probe 702 has a lifting groove 713 into which the stylus shift lever 712 is inserted, the lifting groove 713 is an annular groove extending in the entire circumferential direction on the outer circumferential surface of the sliding probe 702, the end of the stylus shift lever 712 has a fitting groove into which the sliding probe 702 is inserted, the fitting groove is a through groove penetrating the stylus shift lever 712, the fitting groove is an open groove, the fitting groove forms an opening through which the sliding probe 702 passes on the end surface of the stylus shift lever 712, the fitting groove is preferably a U-shaped groove, the groove width of the fitting groove (the groove width is the width dimension of the fitting groove in the second direction) is not less than the minimum outer diameter of the lifting groove 713 of the sliding probe 702, and it is ensured that the stylus shift lever 712 can drive the sliding probe 702 to move in the vertical direction. The sliding probe 702 is inserted into a fitting groove at the end of the gauge head lever 712, portions of the gauge head lever 712 located on both sides of the fitting groove are inserted into the lifting groove 713 of the sliding probe 702, the sliding probe 702 is connected to the gauge head lever 712, and the sliding probe 702 can rotate relative to the gauge head lever 712. The measuring head guide rod 705 is provided with one, the guide hole on the measuring head guide plate 711 is also provided with one, the measuring head guide rod 705 is inserted into the guide hole, the lifting cylinder 704 and the ejector rod 710 are provided with one, the ejector rod 710 and the measuring head guide rod 705 are positioned on the same straight line parallel to the length direction of the measuring head guide rod 712, and the length of the ejector rod 710 is smaller than that of the measuring head guide rod 705.

The probe driving assembly with the structure has the advantages of simple and compact structure, small occupied space, convenient arrangement, good reliability and strong stability, and does not influence the rotation of the sliding probe 702 while realizing the linear motion of the sliding probe 702.

As shown in fig. 1, 2, and 8 to 11, the load device 7 further includes a torque sensor 706 and a transmission shaft 708 sleeved on the sliding probe 702, the transmission shaft 708 is a cylinder with two open ends and a hollow interior, the transmission shaft 708 and the sliding probe 702 are coaxially disposed, the upper end of the sliding probe 702 extends to the upper side of the transmission shaft 708, the lower end of the transmission shaft 708 is connected with the torque sensor 706 through a coupling 707, the magnetic particle brake 701 is located below the torque sensor 706 and the magnetic particle brake 701 is connected with the torque sensor 706 through another coupling 707, the magnetic particle brake 701 is located below the transmission shaft 708 and the magnetic particle brake 701 and the transmission shaft 708 are coaxially disposed. The magnetic powder brake 701 is fixedly arranged on the load bracket 709, the magnetic powder brake 701 is positioned below the measuring head guide plate 711, and the magnetic powder brake 701 is used for outputting a drag torque so as to apply a load to the electronic parking actuator. The torque sensor 706 is electrically connected with the controller and is used for measuring the output torque and the rotating speed of the power output part of the electronic parking actuator when the power output part rotates. The transmission shaft 708 is rotatably disposed on the measurement head guide plate 711, the transmission shaft 708 can only rotate relative to the measurement head guide plate 711, and the measurement head guide plate 711 limits the transmission shaft 708 in the vertical direction. In the detection process, the transmission shaft 708 and the sliding probe 702 rotate synchronously, the sliding probe 702 is provided with an anti-rotation boss 714, the anti-rotation boss 714 is of a square structure, the anti-rotation boss 714 is positioned inside the transmission shaft 708, the transmission shaft 708 is provided with a limiting hole for the anti-rotation boss 714 to be inserted into, the shape of the limiting hole is matched with that of the anti-rotation boss 714, the limiting hole is a square hole, four outer wall surfaces of the anti-rotation boss 714 are attached to four inner wall surfaces of the limiting hole, the sliding probe 702 is limited in the circumferential direction, so that the sliding probe 702 and the transmission shaft 708 can be prevented from rotating relatively, the transmission shaft 708, the sliding probe 702 and the spline housing 703 can rotate synchronously, when the sliding probe 702 moves linearly in the axial direction, the anti-rotation boss 714 is engaged with the limiting hole, the guiding function can be achieved, and the sliding probe 702 is ensured to stably move linearly along the axial direction. The cross section of the anti-rotation boss 714 is square (the cross section refers to the section of the anti-rotation boss 714 which is perpendicular to the vertical direction), the anti-rotation boss 714 is located at the lower end of the sliding probe 702, the anti-rotation boss 714 is located below the lifting groove 713, and the anti-rotation boss 714 is matched with the probe driving assembly, so that the coaxiality of the sliding probe 702 and the spline housing 703 and a power output part of the electronic parking actuator is ensured, and the spline housing 703 can be accurately sleeved on the power output part of the electronic parking actuator.

After the power supply plug 512 is inserted into the connector of the electronic parking actuator, a certain current is supplied, the current enables the motor of the electronic parking actuator to start to operate, and meanwhile, the power output part of the electronic parking actuator starts to rotate, so that the spline housing 703 at the lower part enters the power output part; then, the lifting cylinder 704 is lifted to extend, the probe driving assembly pushes the sliding probe 702 to move upwards, the cylinder acts like a spring, the sliding probe 702 drives the spline housing 703 to move upwards while the power output part of the electronic parking actuator rotates, finally, the spline housing 703 is sleeved on the power output part of the electronic parking actuator, the spline housing 703 is meshed with the power output part of the electronic parking actuator, a motor of the electronic parking actuator stops running, then performance detection can be carried out on the electronic parking actuator, the detection content comprises various parameters of current, torque, rotating speed and the like of the electronic parking actuator, detection of the current and torque characteristic curve of the electronic parking actuator and detection of the torque and rotating speed characteristic curve. The current-torque characteristic curve is used for reflecting the relation between the current and the torque of the electronic parking actuator, and the torque-rotating speed characteristic curve is used for reflecting the relation between the rotating speed and the torque of the electronic parking actuator.

The process of detecting the current and torque characteristic curve of the electronic parking actuator by using the electronic parking actuator performance detection equipment with the structure comprises the following steps:

s1, placing the electronic parking actuator on the actuator positioning device 3 for positioning, and then jacking the actuator positioning device 3 upwards by the jacking device 4 until the actuator positioning device 3 moves to a jacking position;

s2, the push-pull device 6 enables the actuator positioning device 3 to move to the detection position;

s3, the actuator pressing device 5 presses the electronic parking actuator on the actuator positioning device 3, and the power supply plug 512 is inserted into a connector of the electronic parking actuator;

s4, connecting the load device 7 with a power output component of the electronic parking actuator;

and S5, detecting the current and torque characteristic curve of the electronic parking actuator.

In step S4, after the power supply plug 512 is inserted into the connector of the electronic parking actuator, the motor of the electronic parking actuator is energized, the motor of the electronic parking actuator starts to operate, and the power output member of the electronic parking actuator starts to rotate; then the lifting cylinder 704 is extended, the probe driving assembly pushes the sliding probe 702 to move upwards, the sliding probe 702 drives the spline housing 703 to move upwards while the power output part of the electronic parking actuator rotates, finally the spline housing 703 is sleeved on the power output part of the electronic parking actuator, the spline housing 703 is meshed with the power output part of the electronic parking actuator, the connection between the load device 7 and the power output part of the electronic parking actuator is realized, and finally the motor of the electronic parking actuator stops running.

In the step S5, when the current-torque characteristic curve of the electronic parking actuator is detected, first, the magnetic powder brake 701 inputs current, the magnetic powder brake 701 starts to operate and provide a resisting torque, then the motor of the electronic parking actuator is energized, and the input voltage of the motor is continuously increased, the torque sensor 706 continuously collects output torque data of the power output part of the electronic parking actuator, and simultaneously, the current sensor continuously collects current data of the motor of the electronic parking actuator until the input voltage of the motor is continuously increased to a set value, and then the current-torque characteristic curve of the electronic parking actuator is drawn according to the output torque and the current data collected by the torque sensor 706.

The process of detecting the torque and rotating speed characteristic curve of the electronic parking actuator by using the electronic parking actuator performance detection equipment with the structure comprises the following steps:

and S5, detecting the torque and rotating speed characteristic curve of the electronic parking actuator.

In step S5, the method for detecting the torque-rotation speed characteristic curve of the electronic parking actuator includes the steps of:

s51, electrifying a motor of the electronic parking actuator, not electrifying the magnetic powder brake 701, not applying a load to the load device 7, operating the motor of the electronic parking actuator, acquiring output torque data of a power output part of the electronic parking actuator by the torque sensor 706, and acquiring rotation speed data of the power output part of the electronic parking actuator by the torque sensor 706 to serve as rotation speed output of the electronic parking actuator during no-load;

s52, electrifying the magnetic powder brake 701 and inputting a first current, starting the magnetic powder brake 701 to operate and providing a resisting moment, acquiring output torque data of a power output part of the electronic parking actuator by the torque sensor 706, and acquiring rotating speed data of the power output part of the electronic parking actuator by the torque sensor 706 to serve as rotating speed output of the electronic parking actuator under low operation load;

and S53, electrifying the magnetic powder brake 701 and inputting a second current, wherein the second current is larger than the first current, the magnetic powder brake 701 starts to operate and provides a resisting moment, the torque sensor 706 collects output torque data of a power output part of the electronic parking actuator, and meanwhile, the torque sensor 706 collects rotating speed data of the power output part of the electronic parking actuator and outputs the rotating speed data as the rotating speed of the electronic parking actuator under high operation load.

And S54, drawing a torque and rotating speed characteristic curve of the electronic parking actuator according to the output torque and rotating speed data acquired by the torque sensor 706.

After the current and torque characteristic curve and the torque and rotating speed characteristic curve of the electronic parking actuator are drawn, if the current and torque characteristic curve and the torque and rotating speed characteristic curve meet the requirements, the detection is qualified, and finally, a marking head 511 marks a shell of the electronic parking actuator to indicate that the product passes the performance test.

The invention is described above with reference to the accompanying drawings. It is to be understood that the specific implementations of the invention are not limited in this respect. Various insubstantial improvements are made by adopting the method conception and the technical scheme of the invention; the present invention is not limited to the above embodiments, and can be modified in various ways.

Claims

1. Electron parking executor performance check out test set which characterized in that: the electronic parking device comprises a detection workbench, an actuator positioning device for placing an electronic parking actuator, a jacking device for controlling the actuator positioning device to switch between a jacking position and a descending position, a push-pull device for controlling the actuator positioning device to switch between the detection position and the jacking position, an actuator pressing device for applying pressing force to the electronic parking actuator and enabling a power supply plug to be inserted into a connector of the electronic parking actuator, and a load device for being connected with a power output component of the electronic parking actuator and applying load, wherein the jacking device, the push-pull device, the actuator pressing device and the load device are arranged on the detection workbench, the load device is positioned below the push-pull device, and the actuator pressing device is positioned above the push-pull device;

the electronic parking actuator mainly comprises a shell, a motor, a planetary gear speed reducing mechanism, a gear transmission mechanism and a power output part, wherein the motor is arranged in the shell;

the load device comprises a sliding probe which can be rotatably arranged, a spline sleeve which is arranged on the sliding probe and is used for being connected with a power output part of the electronic parking actuator, a probe driving assembly which is used for controlling the sliding probe to move along the vertical direction, a magnetic powder brake which is connected with the sliding probe, a load bracket, a torque sensor and a transmission shaft which is sleeved on the sliding probe and can synchronously rotate with the sliding probe;

the power output part of the electronic parking actuator is a gear, a spline housing is meshed with the power output part, and the spline housing is provided with an internal spline hole into which the power output part is inserted; the probe driving assembly comprises a measuring head driving lever connected with the sliding probe, a lifting cylinder used for controlling the measuring head driving lever to move along the vertical direction, a measuring head guide rod connected with the measuring head driving lever and a measuring head guide plate sleeved on the measuring head guide rod and positioned below the measuring head driving lever, the measuring head guide plate is provided with a guide hole for inserting the measuring head guide rod, and the measuring head guide plate is parallel to the measuring head driving lever;

after a power supply plug is inserted into a connector of the electronic parking actuator, a motor of the electronic parking actuator is electrified, the motor of the electronic parking actuator starts to operate, and a power output component of the electronic parking actuator starts to rotate; then the lifting cylinder is extended, the probe driving assembly pushes the sliding probe to move upwards, the sliding probe drives the spline sleeve to move upwards while the power output part of the electronic parking actuator rotates, finally the spline sleeve is sleeved on the power output part of the electronic parking actuator and is meshed with the power output part of the electronic parking actuator, the connection between the load device and the power output part of the electronic parking actuator is realized, and finally the motor of the electronic parking actuator stops running;

the sliding probe is arranged to be rotatable and can perform reciprocating linear movement along the vertical direction, and the spline sleeve is arranged at the upper end of the sliding probe; the probe driving assembly is arranged on the load support, the lower end of the transmission shaft is connected with the torque sensor through a coupler, the magnetic powder brake is positioned below the torque sensor and is connected with the torque sensor through another coupler; the sliding probe can rotate relative to the measuring head deflector rod, the sliding probe is provided with a lifting groove in which the measuring head deflector rod is embedded, the lifting groove is an annular groove which extends on the outer circular surface of the sliding probe along the whole circumferential direction, and the end part of the measuring head deflector rod is provided with a matching groove in which the sliding probe is embedded; the transmission shaft is rotatably arranged on the measuring head guide plate and can only rotate relative to the measuring head guide plate, the sliding probe is provided with an anti-rotation boss, the transmission shaft is provided with a limiting hole into which the anti-rotation boss is inserted, and the limiting hole is a square hole; when the sliding probe moves linearly along the axial direction, the anti-rotation boss is matched with the limiting hole to play a role in guiding.

2. The electronic parking actuator performance detection apparatus according to claim 1, characterized in that: the actuator positioning device comprises a positioning bottom plate, a positioning block and an actuator positioning pin, wherein the positioning block is arranged on the positioning bottom plate and used for placing the electronic parking actuator, and the actuator positioning pin is arranged on the positioning block and used for positioning the electronic parking actuator.

3. The electronic parking actuator performance detection apparatus according to claim 2, characterized in that: the actuator positioning pins are arranged in a plurality and are vertically arranged on the positioning blocks, and the shell of the electronic parking actuator is provided with holes for the actuator positioning pins to be inserted into.

4. The electronic parking actuator performance detection apparatus according to claim 2, characterized in that: the jacking device comprises a supporting plate, a jacking cylinder, a lower guide rod and a lower guide plate, wherein the supporting plate is arranged below the positioning bottom plate and used for supporting the actuator positioning device, the jacking cylinder is used for controlling the supporting plate to move along the vertical direction so as to enable the actuator positioning device to be switched between a jacking position and a descending position, the lower guide rod is connected with the supporting plate, the lower guide plate is sleeved on the lower guide rod and located below the supporting plate, and the lower guide plate is provided with a lower guide hole for inserting the lower guide rod.

5. The electronic parking actuator performance detection apparatus according to any one of claims 2 to 4, characterized in that: the actuator pressing device comprises an upper pressing head assembly, a plug installation assembly and a pressing head driving assembly, wherein the upper pressing head assembly is located above the actuator positioning device and used for applying pressing force to the electronic parking actuator, the plug installation assembly is arranged on the upper pressing head assembly and used for enabling a power supply plug to be inserted into a connector of the electronic parking actuator, and the pressing head driving assembly is used for controlling the upper pressing head assembly to move along the vertical direction.

6. The electronic parking actuator performance detecting apparatus according to claim 5, characterized in that: the plug installation assembly comprises a plug installation seat and a plug driving cylinder which is connected with the plug installation seat and used for controlling the plug installation seat to move along the horizontal direction, the power supply plug is arranged on the plug installation seat, and the plug driving cylinder is arranged on the upper pressure head assembly.

7. The electronic parking actuator performance detecting apparatus according to claim 5, characterized in that: go up the pressure head assembly and include the upper portion clamp plate, set up on the clamp plate of upper portion and be used for exerting the compaction force to electron parking executor compress tightly the pole and with the upper portion clamp plate with the pressure head connecting plate that pressure head drive assembly is connected, compress tightly the pole and set up a plurality ofly and compress tightly the pole and be located the top of locating piece, pressure head drive assembly is including compressing tightly the cylinder, with compress tightly the guide arm connecting plate that cylinder and pressure head connecting plate are connected, with the guide arm connecting plate be connected go up the guide bar and overlap locate on the guide bar and be located the last deflector of guide arm connecting plate top, go up the deflector and have and let go up guide hole.

8. The electronic parking actuator performance detecting apparatus according to claim 7, characterized in that: the executor closing device still including set up in go up beat on the pressure head assembly beat the mark cylinder and be connected and be used for beating the mark head of beating on electron parking executor with beating the mark cylinder, beat the mark cylinder and fix and set up on the upper portion clamp plate and beat the mark cylinder and be located between two pressure head connecting plates, beat the mark head and beat the piston rod fixed connection of mark cylinder, beat the mark cylinder and be used for controlling to beat the mark head and be reciprocating linear motion in vertical direction, the upper portion clamp plate has the through-hole that lets beat the mark head and pass.

9. The electronic parking actuator performance detection apparatus according to any one of claims 1 to 4, characterized in that: the push-pull device comprises a push-pull guide plate used for supporting the actuator positioning device, a push-pull plate connected with the actuator positioning device and a push-pull driving assembly used for controlling the push-pull plate to move along the horizontal direction so as to enable the actuator positioning device to be switched between a detection position and a jacking position.