Electric cylinder comprehensive performance testing device

Abstract

The utility model relates to a device for testing the comprehensive performance of an electric cylinder, which comprises a mounting seat, an adapter block assembly, a digital display depth gauge, a reverse transmission push rod assembly, a magnetic powder brake, a torque sensor, a motor, a sealing plate, an air pressure protection grade testing assembly and a console, and the two ends of the tested electric cylinder are respectively mounted on the mounting seat and the adapter block assembly; the two ends of the digital display depth gauge are connected with the switching block assembly and the reverse transmission push rod assembly respectively. The reverse transmission push rod assembly is connected with the torque sensor; the magnetic powder brake is connected with the torque sensor; and the sealing plate is arranged on the tested electric cylinder and the motor. Compared with the prior art, the electric cylinder performance testing device can test multiple performances of the electric cylinder at the same time; the torque sensor tests the torque between the reverse transmission push rod assembly and the magnetic powder brake; the air pressure protection grade test assembly is connected with different to-be-tested electric cylinders through the sealing plate, adjustment is not needed in each test, and the magnetic powder brake can provide stable output torque and provide constant load required by the electric cylinder thrust test.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric cylinder test, especially a kind of electric cylinder comprehensive performance testing device. BACKGROUND

[0002] For electric cylinder performance test, thrust, stroke, precision, life and protection level test are important test items, and are important parameters required to comprehensively understand the performance of electric cylinder. However, the current performance test equipment usually has many defects such as less testable items, inconvenient installation, unable to load constant load, and adjustable protection level test parameters.

[0003] After searching, the authorized announcement No.CN220568305U discloses a kind of electric cylinder push-pull force test tool, specifically discloses: the establishment of load simulation mechanism composed of brake disc, brake pad and other structures, when the electric cylinder to be tested is tested, different sizes and thrusts are involved, the friction force of friction mechanism (that is, the size of simulated load) can be adaptively adjusted. However, the prior art is inconvenient to disassemble and assemble, and uses brake disc as load adjusting mechanism, which cannot check real-time load variation.

[0004] The authorized announcement No.CN209182008U discloses a kind of electric push rod load and stroke testing device, specifically discloses: load is measured by spring and pressure sensor, stroke is measured by magnetic grid induction strip. However, the spring in the prior art cannot provide constant load, and load value is difficult to control.

[0005] The authorized announcement No.CN218121301U discloses a kind of electric cylinder dynamic sealing performance detection test tool, specifically discloses: air inlet and air outlet interface are used to adjust the pressure inside the sealed cavity formed by the sealing cover plate, sealing tool cover and electric cylinder. However, the prior art needs to adjust air pressure for each measurement, and batch testing is time-consuming.

[0006] In summary, how to design a kind of electric cylinder performance test device that can check real-time load variation, load value is easy to control, and does not need to adjust air pressure for each measurement is a technical problem to be solved. UTILITY MODEL CONTENTS

[0007] The utility model aims at overcoming the defects of the prior art that cannot check real-time load variation, load value is difficult to control or batch testing is time-consuming, and provides a kind of electric cylinder comprehensive performance testing device.

[0008] The purpose of the utility model can be realized by the following technical solutions:

[0009] According to one aspect of the utility model, provide a kind of electric cylinder comprehensive performance testing device, including mounting seat, adapter block assembly, digital depth gauge, reverse drive push rod assembly, magnetic powder brake, torque sensor, motor, sealing plate, air pressure protection level test component and console, the adapter block assembly is slidably installed on mounting seat, and one end of measured electric cylinder is installed on mounting seat, and the other end is installed on adapter block assembly;Digital depth gauge one end is installed on adapter block assembly, and the other end is connected with one end of reverse drive push rod assembly;Reverse drive push rod assembly other end is installed on mounting seat, and is connected with torque sensor;Magnetic powder brake is connected with torque sensor, and motor is driven to connect with measured electric cylinder;Sealing plate is installed on measured electric cylinder and motor, and is connected with air pressure protection level test component;Air pressure protection level test component is installed on console;The console is connected with magnetic powder brake, torque sensor, motor and air pressure protection level test component communication.

[0010] As a preferred technical scheme, the mounting seat comprises a bottom mounting plate, side edge support plates, an electric cylinder mounting flange, an electric cylinder mounting support, a bracket, a push rod connecting flange, and a guide rail.

[0011] The bracket and the push rod connecting flange are installed on the bottom mounting plate, one end of the digital depth gauge and the reverse drive push rod assembly is erected on the bracket, the other end of the reverse drive push rod assembly is installed on the push rod connecting flange, and the adapter block assembly is installed on the guide rail and forms a moving pair with the guide rail.

[0012] As a preferred technical scheme, the two ends of the measured electric cylinder are respectively connected to the electric cylinder mounting flange and the adapter block assembly through pins, and the reverse drive push rod assembly is connected to the torque sensor through a shaft coupling.

[0013] As a preferred technical scheme, the bottom mounting plate is provided with a foot pad on the side close to the ground and a handle on the side edge.

[0014] As a preferred technical scheme, the adapter block assembly comprises a first pin shaft sleeve, a second pin shaft sleeve, and an adapter block.

[0015] As a preferred technical scheme, the reverse drive push rod assembly comprises a piston push rod, a cylinder, a nut, a screw rod, a bearing washer, a bearing and a push rod mounting flange, the mounting base is provided with a push rod connecting flange, the push rod mounting flange is sleeved at one end of the cylinder and connected with the push rod connecting flange, one end of the piston push rod is connected with the nut, one end of the screw rod is installed in the nut, the other end of the screw rod is sleeved with the bearing and passes through the push rod mounting flange, the nut is installed in the cylinder, and the bearing washer is installed on one end face of the bearing.

[0016] As a preferred technical scheme, the device further comprises a liftable sensor base installed on the mounting plate, and the torque sensor is installed on the liftable sensor base.

[0017] As a preferred technical scheme, the air pressure protection level test assembly comprises an air inlet, an air cleaner, a vacuum generator, a low vacuum mechanical cleaner, a pressure regulating and pressure releasing valve, a check valve, a digital pressure gauge support, a digital pressure gauge, a tee joint and an air outlet, the air inlet, the air cleaner, the vacuum generator, the low vacuum mechanical cleaner, the pressure regulating and pressure releasing valve and the check valve are sequentially connected, the tee joint is connected with the check valve, the digital pressure gauge and the air outlet, and the digital pressure gauge is installed on the digital pressure gauge support.

[0018] As a preferred technical scheme, the device further comprises a mounting rack, a magnetic powder brake display control instrument, a sensor display control instrument, a power supply and a motor driver installed on the mounting rack, the air pressure protection level test assembly is installed on the mounting rack, the magnetic powder brake display control instrument is in communication connection with the magnetic powder brake, the sensor display control instrument is in communication connection with the torque sensor, the motor driver is in communication connection with the motor, and the power supply is connected with the magnetic powder brake display control instrument, the sensor display control instrument, the motor driver and the air pressure protection level test assembly.

[0019] As a preferred technical scheme, the device further comprises a motor wire connector, the sealing plate is provided with a sealing air pipe joint and a waterproof wire hole joint, the sealing air pipe joint is connected with the air pressure protection level test assembly, the motor wire connector passes through the waterproof wire hole joint, one end of the motor wire connector is connected with the power supply, and the other end of the motor wire connector is connected with the motor driver, and waterproof sealing glue is arranged between the motor wire connector and the waterproof wire hole joint.

[0020] Compared with the prior art, the device has the following beneficial effects:

[0021] 1) the utility model discloses a motor drives the electric cylinder to be measured, and the travel and precision of the electric cylinder to be measured are tested through the digital depth gauge, and the electric cylinder to be measured is tested through the reverse transmission push rod assembly, the air pressure protection level test component carries out the air tightness test, and the repeated experiment operation can realize the test of motor life, realizes the simultaneous test of the multiple performance of electric cylinder, the torque sensor tests the torque between the reverse transmission push rod assembly and the magnetic powder brake, and the air pressure protection level test component is connected with different electric cylinders to be measured through the sealing plate, and it is not necessary to adjust every time test, and the magnetic powder brake can provide the constant load required for the output torque of electric cylinder thrust test, and provides the constant load required for electric cylinder thrust test,

[0022] 2) the utility model discloses a motor drives the electric cylinder to be measured, and the travel and precision of the electric cylinder to be measured are tested through the digital depth gauge, and the electric cylinder to be measured is tested through the reverse transmission push rod assembly, the air pressure protection level test component carries out the air tightness test, and the repeated experiment operation can realize the test of motor life, realizes the simultaneous test of the multiple performance of electric cylinder, the torque sensor tests the torque between the reverse transmission push rod assembly and the magnetic powder brake, and the air pressure protection level test component is connected with different electric cylinders to be measured through the sealing plate, and it is not necessary to adjust every time test, and the magnetic powder brake can provide the constant load required for the output torque of electric cylinder thrust test, and provides the constant load required for electric cylinder thrust test,

[0023] 3) the utility model discloses a motor drives the electric cylinder to be measured, and the travel and precision of the electric cylinder to be measured are tested through the digital depth gauge, and the electric cylinder to be measured is tested through the reverse transmission push rod assembly, the air pressure protection level test component carries out the air tightness test, and the repeated experiment operation can realize the test of motor life, realizes the simultaneous test of the multiple performance of electric cylinder, the torque sensor tests the torque between the reverse transmission push rod assembly and the magnetic powder brake, and the air pressure protection level test component is connected with different electric cylinders to be measured through the sealing plate, and it is not necessary to adjust every time test, and the magnetic powder brake can provide the constant load required for the output torque of electric cylinder thrust test, and provides the constant load required for electric cylinder thrust test,

[0024] 4) the utility model discloses a motor drives the electric cylinder to be measured, and the travel and precision of the electric cylinder to be measured are tested through the digital depth gauge, and the electric cylinder to be measured is tested through the reverse transmission push rod assembly, the air pressure protection level test component carries out the air tightness test, and the repeated experiment operation can realize the test of motor life, realizes the simultaneous test of the multiple performance of electric cylinder, the torque sensor tests the torque between the reverse transmission push rod assembly and the magnetic powder brake, and the air pressure protection level test component is connected with different electric cylinders to be measured through the sealing plate, and it is not necessary to adjust every time test, and the magnetic powder brake can provide the constant load required for the output torque of electric cylinder thrust test, and provides the constant load required for electric cylinder thrust test,

[0025] 5) the utility model discloses a motor drives the electric cylinder to be measured, and the travel and precision of the electric cylinder to be measured are tested through the digital depth gauge, and the electric cylinder to be measured is tested through the reverse transmission push rod assembly, the air pressure protection level test component carries out the air tightness test, and the repeated experiment operation can realize the test of motor life, realizes the simultaneous test of the multiple performance of electric cylinder, the torque sensor tests the torque between the reverse transmission push rod assembly and the magnetic powder brake, and the air pressure protection level test component is connected with different electric cylinders to be measured through the sealing plate, and it is not necessary to adjust every time test, and the magnetic powder brake can provide the constant load required for the output torque of electric cylinder thrust test, and provides the constant load required for electric cylinder thrust test,

[0026] 6) the utility model discloses a motor drives the electric cylinder to be measured, and the travel and precision of the electric cylinder to be measured are tested through the digital depth gauge, and the electric cylinder to be measured is tested through the reverse transmission push rod assembly, the air pressure protection level test component carries out the air tightness test, and the repeated experiment operation can realize the test of motor life, realizes the simultaneous test of the multiple performance of electric cylinder, the torque sensor tests the torque between the reverse transmission push rod assembly and the magnetic powder brake, and the air pressure protection level test component is connected with different electric cylinders to be measured through the sealing plate, and it is not necessary to adjust every time test, and the magnetic powder brake can provide the constant load required for the output torque of electric cylinder thrust test, and provides the constant load required for electric cylinder thrust test, BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is the overall structure schematic view of the electric cylinder comprehensive performance testing device of the utility model;

[0028] Figure 2 It is the structure schematic view of the adapter block assembly of the utility model;

[0029] Figure 3 It is the structure schematic view of the reverse drive push rod assembly of the utility model;

[0030] Figure 4 It is the structure schematic view of the air pressure protection grade testing assembly of the utility model;

[0031] Figure 5 It is the structure schematic view of one side of the sealing plate of the utility model;

[0032] Figure 6 It is the structure schematic view of the other side of the sealing plate of the utility model;

[0033] The signs shown in the figure are:

[0034] 101, bottom mounting plate, 102, side edge support plate, 103, electric cylinder mounting flange, 104, electric cylinder mounting support, 105, pin shaft, 106, adapter block assembly, 107, guide rail, 108, bracket, 109, reverse drive push rod assembly, 110, push rod connecting flange, 111, shaft coupling, 112, handle, 113, magnetic powder brake, 114, torque sensor, 115, liftable sensor base, 116, magnetic powder brake display control instrument, 117, sensor display control instrument, 118, power supply, 119, motor driver, 120, mounting rack, 121, sealing plate, 122, base foot pad, 123, digital display depth gauge, 124, measured electric cylinder, 201, air inlet, 202, air cleaner, 203, vacuum generator, 204, low vacuum mechanical cleaner, 205, pressure regulating and pressure releasing valve, 206, one-way valve, 207, digital display pressure gauge support, 208, digital display pressure gauge, 209, tee, 210, air outlet, 301, first pin shaft sleeve, 302, second pin shaft sleeve, 303, adapter block, 401, piston push rod, 402, cylinder barrel, 403, nut, 404, screw rod, 405, bearing washer, 406, bearing, 407, push rod mounting flange, 501, sealing air pipe joint, 502, waterproof wire hole joint, 503, motor wire connector. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work should belong to the protection scope of the utility model.

[0036] The utility model provides a kind of electric cylinder comprehensive performance testing device, can test the comprehensive testing device of electric cylinder stroke, precision, thrust, protection level and life, the device has high degree of integration, high degree of automation, high precision, easy to disassemble and assemble, it is easy to adjust and can be in real time display etc. Outstanding advantages, including mounting seat, adapter block assembly 106, digital display depth gauge 123, reverse drive push rod assembly 109, magnetic powder brake 113, torque sensor 114, motor, sealing plate 121, air pressure protection level test component and control console.

[0037] Mounting seat includes bottom mounting plate 101, side support plate 102, electric cylinder mounting flange 103, electric cylinder mounting support 104, bracket 108, push rod connecting flange 110 and guide rail 107, the side support plate 102 is installed on both sides of one end of bottom mounting plate 101, the electric cylinder mounting flange 103 is installed on side support plate 102, the electric cylinder mounting support 104 is installed on electric cylinder mounting flange 103, and one end of the electric cylinder to be measured is installed on electric cylinder mounting flange 103.

[0038] The bracket 108 and push rod connecting flange 110 are installed on bottom mounting plate 101, one end of digital display depth gauge 123 and reverse drive push rod assembly 109 is erected on bracket 108, the other end of reverse drive push rod assembly 109 is installed on push rod connecting flange 110, adapter block assembly 106 is installed on guide rail 107 and forms moving pair with guide rail 107.

[0039] Bottom mounting plate 101 is equipped with six base foot pads 122 for ensuring the stability of the device and preventing and resisting shock, and is also equipped with four handles 112 for facilitating the carrying and placing of the device.

[0040] The side support plate 102, the electric cylinder mounting flange 103 and the electric cylinder mounting support 104 are mounted together to bear the axial force generated by the measured electric cylinder 124 and the magnetic powder brake 113. The electric cylinder mounting support 104 is connected to the electric cylinder mounting flange 103 through screw connection, and the one end of the measured electric cylinder 124 is mounted on the device through the pin shaft 105. The electric cylinder mounting flange 103 is provided with a plurality of through holes and countersunk holes, and different models and sizes of electric cylinders can be connected through the mounting flange. The electric cylinder mounting support 104 is provided with an open U-shaped groove and a pin hole, which facilitates the mounting and dismounting of the electric cylinder. The other end of the measured electric cylinder 124 is mounted on the adapter block assembly. The adapter block assembly is connected to the slider of the guide rail 107, and the guide rail 107 has the functions of guiding and bearing the overturning moment of the electric cylinder. The adapter block assembly is connected with the reverse transmission push rod assembly 109, which is responsible for converting the linear motion of the electric cylinder output into rotary motion. The reverse transmission push rod assembly 109 is connected with the push rod connecting flange 110 through screws.

[0041] The digital depth gauge 123 is fixed at one end with the adapter block assembly 106 and at the other end with the bracket 108. When the measured electric cylinder 124 pushes the adapter block assembly 106 to move, the digital depth gauge 123 can move with the adapter block assembly 106, so that the stroke and running accuracy of the measured electric cylinder 124 can be displayed in real time. The bracket 108 not only assists the digital depth gauge 123 to complete the stroke test and running accuracy test of the measured electric cylinder 124, but also has the functions of bearing the overturning moment of the reverse transmission push rod assembly 109 and ensuring the horizontal installation of the reverse transmission push rod.

[0042] The adapter block assembly 106 includes a first pin shaft sleeve 301, a second pin shaft sleeve 302 and an adapter block 303. By adjusting the thickness of the second pin shaft sleeve 302, the horizontal placement and installation of the measured electric cylinder 124 can be ensured. The first pin shaft sleeve 301 and the second pin shaft sleeve 302 can be replaced, which greatly improves the service life of the adapter block assembly 106 and prevents the electric cylinder from being installed obliquely due to wear.

[0043] The reverse transmission push rod assembly 109 includes a piston push rod 401, a cylinder barrel 402, a nut 403, a lead screw 404, a bearing washer 405, a bearing 406 and a push rod mounting flange 407. The piston push rod 401 is connected with the nut 403, and the linear motion of the nut 403 is converted into rotary motion by the lead screw 404. The push rod mounting flange 407 is connected with the push rod connecting flange 110, and the axial force transmitted by the lead screw 404 through the bearing 406 is transmitted to the push rod connecting flange 110, and finally to the bottom mounting plate 101. The bearing 406 can be selected as a deep groove ball bearing.

[0044] The screw rod 404 is connected with the torque sensor 114 through the coupling 111, and the torque sensor 114 is responsible for testing the torque between the reverse drive push rod assembly 109 and the magnetic powder brake 113. The torque sensor 114 is connected with the sensor display control instrument 117 through the communication line, the sensor display control instrument 117 can display the torque value detected by the torque sensor 114 in real time, and can control the parameters of the torque sensor 114. The lower side of the torque sensor 114 is connected with the liftable sensor base 115, and the liftable sensor base 115 can adjust the height of the torque sensor 114. The torque sensor 114 is connected with the magnetic powder brake 113 through the coupling 111. The magnetic powder brake 113 can provide stable output torque, and provide the constant load required for the test of the electric cylinder thrust. The magnetic powder brake 113 is connected with the magnetic powder brake display control instrument 116 through the communication line, and the magnetic powder brake display control instrument 116 can control the input current or voltage of the magnetic powder brake 113, and then control the output torque of the magnetic powder brake 113. The motor driver 119 is responsible for controlling the driving of the measured motor.

[0045] The power supply 118 is connected with the motor driver 119, the magnetic powder brake display control instrument 116, the sensor display control instrument 117 and the vacuum generator 203 respectively, and provides power supply for the above-mentioned devices.

[0046] The air pressure protection level test assembly includes an air inlet 201, an air cleaner 202, a vacuum generator 203, a low vacuum mechanical cleaner 204, a pressure regulating and pressure relief valve 205, a one-way valve 206, a digital pressure gauge support 207, a digital pressure gauge 208, a tee joint 209 and an air outlet 210.

[0047] The air inlet 201 is connected with the air cleaner 202 through an air pipe. The air cleaner 202 can filter the air entering the air inlet 201 to ensure that the air is dry and free of impurities. The air cleaner 202 is connected with the vacuum generator 203 through an air pipe. The vacuum generator 203 can use the positive pressure air of the air inlet 201 as power to extract air from the air outlet 210 to generate a vacuum environment. The vacuum generator 203 is connected with the low-vacuum mechanical cleaner 204 through an air pipe. The low-vacuum mechanical cleaner 204 can purify the extracted air to dry and clean air, ensuring long-term operation of the vacuum generator 203. The low-vacuum mechanical cleaner 204 is connected with the pressure regulating and releasing valve 205 through an air pipe. The pressure regulating and releasing valve 205 can control the vacuum air pressure generated by the vacuum generator 203, facilitating large-scale protection level testing and adjusting the required air pressure difference parameters for different protection level testing. The pressure regulating and releasing valve 205 is connected with the one-way valve 206 through an air pipe. The one-way valve 206 can ensure that the internal vacuum state of the measured electric cylinder 124 remains stable after the vacuum generator 203 stops working. The one-way valve 206 is connected with the digital pressure gauge 208 through an air pipe and a tee joint 209. The digital pressure gauge 208 can display the air pressure value inside the measured electric cylinder 124 in real time, facilitating observation. The digital pressure gauge 208 is fixed on the digital pressure gauge support 207.

[0048] The vacuum generation module, the magnetic powder brake display control instrument 116, the sensor display control instrument 117, the power supply 118, and the motor driver 119 are all fixed on the mounting rack 120. The mounting rack 120 is provided with a plurality of long waist type holes and square holes, facilitating the installation, movement, disassembly, and addition of various devices. The mounting rack 120 is provided with a circular through hole on each side, facilitating the passage of power lines, communication lines, and the like. The power supply 118 is a portable power supply.

[0049] The sealing plate 121 includes a sealing plate 121, a sealing air pipe joint 501, a waterproof wire hole joint 502, and a motor wire connector 503. The sealing plate 121 is connected with the measured electric cylinder 124, used for electric cylinder sealing and connection with the vacuum generator 203. The sealing plate 121 is provided with the sealing air pipe joint 501, which is used for connecting and sealing the air outlet 210 of the vacuum generator 203. The sealing plate 121 is provided with the waterproof wire hole joint 502, which allows the motor wire connector 503 to pass through the sealing plate 121 to connect with the drive and power supply. After the motor wire connector 503 passes through, the waterproof wire hole joint 502 is filled with waterproof sealant for sealing. The motor wire connector 503 is connected with the motor power line and communication line, facilitating the installation and disassembly of the sealing plate 121 with different motors.

[0050] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art can easily think of various equivalent modifications or replacements within the technical scope disclosed by the present application, and these modifications or replacements should be encompassed within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A comprehensive performance testing device for electric cylinders, characterized in that, The system includes a mounting base, an adapter block assembly (106), a digital depth gauge (123), a reverse transmission push rod assembly (109), a magnetic powder brake (113), a torque sensor (114), a motor, a sealing plate (121), a pneumatic protection level testing assembly, and a control console. The adapter block assembly (106) is slidably mounted on the mounting base. One end of the tested electric cylinder (124) is mounted on the mounting base, and the other end is mounted on the adapter block assembly (106). One end of the digital depth gauge (123) is mounted on the adapter block assembly (106), and the other end is connected to the reverse transmission push rod assembly (109). One end is connected; the other end of the reverse transmission push rod assembly (109) is mounted on the mounting base and connected to the torque sensor (114); the magnetic powder brake (113) is connected to the torque sensor (114), and the motor is driven by the tested electric cylinder (124); the sealing plate (121) is mounted on the tested electric cylinder (124) and the motor and connected to the air pressure protection level test assembly; the air pressure protection level test assembly is mounted on the control console; the control console is communicatively connected to the magnetic powder brake (113), the torque sensor (114), the motor and the air pressure protection level test assembly.

2. The electric cylinder comprehensive performance testing device according to claim 1, characterized in that, The mounting base includes a bottom mounting plate (101), a side support plate (102), an electric cylinder mounting flange (103), an electric cylinder mounting bracket (104), a bracket (108), a push rod connecting flange (110), and a guide rail (107). The side support plate (102) is installed on both sides of one end of the bottom mounting plate (101), the electric cylinder mounting flange (103) is installed on the side support plate (102), the electric cylinder mounting bracket (104) is installed on the electric cylinder mounting flange (103), and one end of the electric cylinder to be tested is installed on the electric cylinder mounting flange (103). The bracket (108) and push rod connecting flange (110) are mounted on the bottom mounting plate (101). One end of the digital depth gauge (123) and the reverse transmission push rod assembly (109) is mounted on the bracket (108). The other end of the reverse transmission push rod assembly (109) is mounted on the push rod connecting flange (110). The adapter block assembly (106) is mounted on the guide rail (107) and forms a sliding pair with the guide rail (107).

3. The electric cylinder comprehensive performance testing device according to claim 2, characterized in that, The two ends of the electric cylinder under test are connected to the electric cylinder mounting flange (103) and the adapter block assembly (106) respectively by pins (105). The reverse transmission push rod assembly (109) is connected to the torque sensor (114) through a coupling (111).

4. The electric cylinder comprehensive performance testing device according to claim 2, characterized in that, The bottom mounting plate (101) is equipped with a foot pad on the side closest to the ground and a handle (112) is installed on the side.

5. The comprehensive performance testing device for an electric cylinder according to claim 1, characterized in that, The adapter block assembly (106) includes a first pin bushing (301), a second pin bushing (302), and an adapter block (303). The adapter block (303) is U-shaped, and both ends of the adapter block (303) are provided with mounting holes. The first pin bushing (301) and the second pin bushing (302) are respectively installed in one mounting hole, and the pin (105) passes through the first pin bushing (301) and the second pin bushing (302).

6. The electric cylinder comprehensive performance testing device according to claim 1, characterized in that, The reverse transmission push rod assembly (109) includes a piston push rod (401), a cylinder (402), a nut (403), a lead screw (404), a bearing washer (405), a bearing (406), and a push rod mounting flange (407). The mounting base is provided with a push rod connecting flange (110). The push rod mounting flange (407) is sleeved on one end of the cylinder (402) and connected to the push rod connecting flange (110). One end of the piston push rod (401) is connected to the nut (403). One end of the lead screw (404) is installed in the nut (403), and the other end is sleeved with the bearing (406) and passes through the push rod mounting flange (407). The nut (403) is installed in the cylinder (402), and the bearing washer (405) is installed on one end face of the bearing (406).

7. The comprehensive performance testing device for an electric cylinder according to claim 1, characterized in that, The device also includes a liftable sensor base (115) mounted on a mounting plate, and the torque sensor (114) is mounted on the liftable sensor base (115).

8. The electric cylinder comprehensive performance testing device according to claim 1, characterized in that, The air pressure protection level testing component includes an air inlet (201), an air purifier (202), a vacuum generator (203), a low-vacuum mechanical purifier (204), a pressure regulating and pressure relief valve (205), a one-way valve (206), a digital pressure gauge bracket (207), a digital pressure gauge (208), a three-way valve (209), and an air extraction port (210). The air inlet (201), air purifier (202), vacuum generator (203), low-vacuum mechanical purifier (204), pressure regulating and pressure relief valve (205), and one-way valve (206) are connected in sequence. The three-way valve (209) connects the one-way valve (206), the digital pressure gauge (208), and the air extraction port (210). The digital pressure gauge (208) is mounted on the digital pressure gauge bracket (207).

9. The comprehensive performance testing device for an electric cylinder according to claim 1, characterized in that, The device also includes a mounting frame (120) and a magnetic particle brake display controller (116), a sensor display controller (117), a power supply (118), and a motor driver (119) mounted on the mounting frame (120). The air pressure protection level test assembly is mounted on the mounting frame (120). The magnetic particle brake display controller (116) is communicatively connected to the magnetic particle brake (113). The sensor display controller (117) is communicatively connected to the torque sensor (114). The motor driver (119) is communicatively connected to the motor. The power supply (118) is connected to the magnetic particle brake display controller (116), the sensor display controller (117), the motor driver (119), and the air pressure protection level test assembly.

10. The comprehensive performance testing device for an electric cylinder according to claim 9, characterized in that, The device also includes a motor wire connector (503), and the sealing plate (121) is provided with a sealed air pipe connector (501) and a waterproof wire passage connector (502); the sealed air pipe connector (501) is connected to the air pressure protection level test component, the motor wire connector (503) passes through the waterproof wire passage connector (502), one end is connected to the power supply (118), and the other end is connected to the motor driver (119); a waterproof sealant is provided between the motor wire connector (503) and the waterproof wire passage connector (502).

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