A static load test device

Abstract

The present invention provides a static load test device, characterized in that it includes: a base turntable fixed on a base; two loading mechanisms; an X-axis motion mechanism; a Z-axis motion mechanism; and a Y-axis motion mechanism. The present invention provides a static load test device that can be applied to service robots, including guide robots, electric balancing vehicles, and sweeping robots, and has multi-degree-of-freedom versatility, synchronizability, and scalability. The present invention has the following characteristics: the test items are complete and can simulate the load conditions of various service robots in actual working environments according to actual needs; the test objects are widely covered; the test objects can be covered in all directions; and the scalability is strong.

Description

Technical Field

[0001] The invention relates to a static load testing device for a service robot. Background Art

[0002] Existing load test devices are generally used in the field of civil engineering or heavy machinery to test the load of large equipment. However, there are few related devices in the field of static load testing of small machinery, especially service robots, such as sweeping robots, electric balance vehicles, guided robots, etc.

[0003] Although the relevant national standards have requirements and methods for static load testing, there are currently few devices that can implement them. In addition, due to the diverse appearance of service robots, it is difficult for the fixtures of traditional load test devices to clamp the objects being tested, and it is also difficult for the load-applying components to simulate the preset environment (such as the static strength of the pedals or seats of electric balance vehicles, and the mechanical strength of the shell of the guide robot), which also puts forward more requirements for the flexibility and versatility of static load test devices. Summary of the invention

[0004] The technical problem to be solved by the present invention is that most existing load test devices are only applicable to large and medium-sized equipment or single-type products, are difficult to detect small machinery, have poor versatility and poor scalability.

[0005] In order to solve the above technical problems, the technical solution of the present invention is to provide a static load test device, wherein the front and rear directions are defined as the Y-axis direction, the left and right directions are defined as the X-axis direction, and the up and down directions are defined as the Z-axis direction, and the static load test device comprises:

[0006] The base turntable is fixed on the base. The base turntable is used for the test sample. Under the control of the control system, the base turntable drives the test sample to rotate 360° around the Z axis. The test sample rotates a certain angle so that the loading mechanism approaches the test surface of the test sample.

[0007] Two loading mechanisms, each of which is provided with a pressure sensor connected to the control system at the end, and two load fixtures are respectively provided at the ends of the pressure sensors of the two loading mechanisms. The two loading mechanisms synchronously apply loads to the specimen through their respective load fixtures under the control of the control system;

[0008] An X-axis motion mechanism is used to drive the loading mechanism to move along the X-axis under the control of the control system;

[0009] A Z-axis motion mechanism, used to drive the loading mechanism to move along the Z-axis under the control of the control system;

[0010] The Y-axis motion mechanism is used to drive the loading mechanism to move along the Y-axis under the control of the control system.

[0011] Preferably, the base turntable comprises a rotary motor, a large base plate, a bottom profile frame, a profile frame, a small base plate and a rotary drive;

[0012] The rotary motor is electrically connected to the control system; the rotary motor drives the profile frame supporting the test piece to rotate 360° around the Z axis through the rotary drive under the control of the control system; the profile frame is arranged on the top surface of the bottom profile frame; the bottom surface of the bottom profile frame is provided with a large bottom plate; the bottom surface of the rotary motor and the rotary drive is connected and fixed to the small bottom plate, and the top surface of the rotary motor and the rotary drive is connected and fixed to the large bottom plate.

[0013] Preferably, when the loading mechanism applies a load to the test object, at least one parameter of the direction, magnitude, duration, frequency, number of cycles and / or deformation of the test object is set and collected according to test requirements.

[0014] Preferably, the two loading mechanisms have the same structure, including a fixed block, a loading electric cylinder connected to a magnetic switch, a connecting shaft, a pressure sensor, a resin fixing handle and a servo motor;

[0015] Two fixed blocks are connected and fixed to the X-axis motion mechanism; the loading electric cylinder is arranged between the two fixed blocks through a bearing, and a resin fixing handle is connected to the end of the bearing, and the resin fixing handle is operated to rotate the loading electric cylinder around the X-axis; the pressure sensor is connected and fixed to the output shaft of the loading electric cylinder through a connecting shaft, and the loading electric cylinder is rotated so that the load fixture at the end of the pressure sensor fits with the measured surface of the test piece; a servo motor is provided on the loading electric cylinder, and the servo motor drives the loading electric cylinder under the control of the control system, so that the loading electric cylinder applies a load to the test piece through the load fixture; during the process of applying the load, a magnetic switch is used to detect the piston position of the loading electric cylinder, and the detected signal is fed back to the control system.

[0016] Preferably, the X-axis motion mechanism includes two sets of electric lead screws, two sets of slides, two sets of servo motors, two sets of proximity switches and two sets of pressure blocks;

[0017] The two groups of electric lead screws are arranged at the top and the bottom, and are connected and fixed to the Z-axis motion mechanism through two groups of pressure blocks respectively; the two groups of slides are fixed on the two groups of electric lead screws, and the upper and middle parts of each group of slides are respectively fixed on the two groups of electric lead screws; the two fixed blocks of the two loading mechanisms are respectively fixed on the bottom surfaces of the two groups of slides; the two groups of servo motors respectively drive the two groups of slides on the two groups of electric lead screws to move linearly along the X-axis under the control of the control system; a group of proximity switches are respectively provided at the left and right ends of any one group of electric lead screws in the two groups of electric lead screws, so that the left limit position and the right limit position of the movement of the two groups of slides are limited by the two groups of proximity switches, and the two groups of proximity switches are connected to the control system.

[0018] Preferably, the Z-axis motion mechanism includes two sets of heavy-duty electric slides, a synchronization rod, two sets of support members, two sets of pressure blocks, one set of servo motors and two sets of proximity switches;

[0019] The two groups of heavy-duty electric slides are arranged on the left and right, and the top ends of the two groups of heavy-duty electric slides are respectively vertically arranged on the left and right ends of the two groups of electric lead screws. At the same time, the bottom ends of the two groups of heavy-duty electric slides are respectively connected and fixed to the Y-axis motion mechanism through two groups of pressure blocks; the two groups of support members are arranged on the left and right, the upper end of each group of support members is hinged to the upper end of the heavy-duty electric slide on the same side, and the lower end is connected and fixed to the Y-axis motion mechanism, so that the support members, heavy-duty electric slides and Y-axis motion mechanism on the same side together form a triangular support structure; a synchronization rod is provided between the two groups of heavy-duty electric slides, and the synchronization rod is connected to the servo motor. Under the control of the control system, the servo motor enables the two groups of heavy-duty electric slides to move synchronously along the Z-axis in a straight line through the synchronization rod; a group of proximity switches are respectively provided at the upper and lower ends of any one group of heavy-duty electric slides in the two groups of heavy-duty electric slides, so that the upper limit position and the lower limit position of the movement of the two groups of heavy-duty electric slides are limited by the two groups of proximity switches, and the two groups of proximity switches are connected to the control system.

[0020] Preferably, the Y-axis motion mechanism includes a set of active heavy-duty electric slides, a set of driven heavy-duty electric slides, two sets of proximity switches, two sets of pressure blocks and two sets of servo motors;

[0021] A group of active heavy-duty electric slides and a group of driven heavy-duty electric slides are arranged on the left and right and are fixed on the base by two groups of pressure blocks respectively. The lower ends of the two groups of support members are hinged to the active heavy-duty electric slides or the driven heavy-duty electric slides on the same side, so that the support members, the heavy-duty electric slides and the active heavy-duty electric slides or the driven heavy-duty electric slides on the same side together form a triangular support structure; two groups of servo motors respectively drive a group of active heavy-duty electric slides and a group of driven heavy-duty electric slides to move synchronously along the Y-axis in a straight line under the control of the control system; a group of proximity switches are respectively provided at the front and rear ends of the active heavy-duty electric slide, so that the front limit position and the rear limit position of the movement of the active heavy-duty electric slide and a group of driven heavy-duty electric slides are limited by the two groups of proximity switches, and the two groups of proximity switches are connected to the control system.

[0022] Preferably, the base is welded from rectangular steel and square steel.

[0023] The present invention provides a static load test device which can be applied to service robots, including guide robots, electric balancing vehicles and sweeping robots, and has multi-degree-of-freedom versatility, synchronizability and scalability. Compared with the existing load performance detection devices, the present invention has the following characteristics:

[0024] 1) The test items are complete and can simulate the load conditions of various service robots in actual working environments according to actual needs, such as pedal load, human body leaning, etc., so that the test results are more in line with reality;

[0025] 2) The measured objects cover a wide range and can meet the size requirements of most wheeled robots and service robots;

[0026] 3) It can fully cover the object to be tested and can test from all angles of the machine;

[0027] 4) It has strong scalability. The loading mechanism can be quickly replaced according to different test requirements and replaced with a loading device that meets the actual working conditions, thereby simulating the force application state of various parts of the human body such as the soles of the feet and palms. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 A three-dimensional design diagram of a static load test device provided by the present invention;

[0029] Figure 2 A right view of a static load test device provided by the present invention;

[0030] Figure 3 To load the local diagram of the mechanism;

[0031] Figure 4 This is a partial view of the base turntable. DETAILED DESCRIPTION

[0032] The present invention will be further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms fall within the scope limited by the appended claims of the application equally.

[0033] The invention provides a static load test device, which comprises a load system, a base turntable and a base.

[0034] The load system mainly includes a Y-axis motion mechanism, a Z-axis motion mechanism, an X-axis motion mechanism, and a loading mechanism, and each mechanism is electrically connected to the control system.

[0035] like Figure 1 and Figure 2 As shown, the Y-axis motion mechanism includes a set of active heavy-duty electric slides 1-1, a set of driven heavy-duty electric slides 1-2, two sets of proximity switches 1-3, two sets of pressure blocks 1-4, and two sets of servo motors 1-5.

[0036] Two groups of servo motors 1-5 drive a group of active heavy-duty electric slides 1-1 and a group of driven heavy-duty electric slides 1-2 to move synchronously along the Y axis. Two groups of proximity switches 1-3 are installed and fixed at both ends of a group of active heavy-duty electric slides 1-1. Two groups of pressure blocks 1-4 are used to fix a group of active heavy-duty electric slides 1-1 and a group of driven heavy-duty electric slides 1-2.

[0037] The Z-axis motion mechanism includes two sets of heavy-duty electric slides 2-1, a synchronization rod 2-2, two sets of support members 2-3, two sets of pressure blocks 2-4, a set of servo motors 2-5, and two sets of proximity switches 2-6.

[0038] A set of servo motors 2-5 drives the synchronous rod 2-2 to link the two sets of heavy-duty electric slides 2-1 to move synchronously along the Z axis. Two sets of proximity switches 2-6 are installed and fixed at both ends of a set of heavy-duty electric slides 2-1. Two sets of pressure blocks 2-4 are used to fix the two sets of heavy-duty electric slides 2-1 respectively.

[0039] The Y-axis motion mechanism is installed vertically to the Z-axis motion mechanism, and the two sets of support members 2-3 are respectively connected to the two sets of Z-axis heavy-duty electric slides 2-1, the Y-axis active heavy-duty electric slide 1-1, and the Y-axis driven heavy-duty electric slide 1-2 structures, so that the Y-axis motion mechanism 1, the Z-axis motion mechanism 2, and the support members 2-3 form a right-angled triangle structure.

[0040] The X-axis motion mechanism includes two sets of electric lead screws 3-1, two sets of slides 3-2, two sets of servo motors 3-3, two sets of proximity switches 3-4, and two sets of pressure blocks 3-5.

[0041] Two sets of electric lead screws 3-1 are vertically mounted on two sets of Z-axis heavy-duty electric slides 2-1, and two sets of servo motors 3-3 drive two sets of slides 3-2 on the two sets of electric lead screws 3-1 to move linearly along the X axis. Two sets of proximity switches 3-4 are mounted and fixed at both ends of one set of electric lead screws 3-1. Two sets of pressure blocks 3-5 are used to fix the two sets of electric lead screws 3-1.

[0042] Combination Figure 3 The loading mechanism includes two sets of fixed blocks 4-1, two sets of loading electric cylinders 4-2, two sets of magnetic switches 4-3, two sets of connecting shafts 4-4, two sets of pressure sensors 4-5, two sets of resin fixed handles 4-6, and two sets of servo motors 4-7.

[0043] The two sets of fixed blocks 4-1 are respectively connected with the two sets of slides 3-2 of the X-axis motion mechanism by screw fastening. The two sets of loading electric cylinders 4-2 are respectively connected and installed with the two sets of fixed blocks 4-1 by bearings and resin fixing handles 4-6. The two sets of connecting shafts 4-4 are respectively connected with the two sets of loading electric cylinders 4-2, and the pressure sensors 4-5 are installed at the ends of the connecting shafts 4-4. The two sets of magnetic switches 4-3 are respectively installed on the two sets of loading electric cylinders 4-2. The two sets of servo motors 4-7 drive the two sets of loading electric cylinders 4-2 to move linearly. The two sets of loading electric cylinders 4-2 can also rotate around the X-axis.

[0044] In the present invention, there are two loading mechanisms, so the present invention has two devices that can synchronously apply loads, and the direction, magnitude, maintenance time, frequency, number of cycles, and deformation of the tested product can be set and collected according to the test requirements.

[0045] Combination Figure 4 The base turntable includes a rotary motor 5-1, a large base plate 5-2, a bottom profile frame 5-3, a profile frame 5-4, a small base plate 5-5, and a rotary drive 5-6. The rotary motor 5-1 is electrically connected to the control system. The profile frame 5-4 can be fixed to the surface of the bottom profile frame 5-3 with T-bolts and nuts to support the test piece. The large base plate 5-2 is fixedly connected to the bottom profile frame 5-3. The rotary drive 5-6 is fixedly connected to the large base plate 5-2 and the small base plate 5-5 on both sides. The rotary motor 5-1 is connected to the rotary drive 5-6. The base turntable 5 can rotate 360° around the Z axis.

[0046] The base turntable is connected and fixed to the base. The base comprises a rectangular steel 6-1 and a square steel 6-2, and the rectangular steel 6-1 and the square steel 6-2 are welded into a group.

[0047] The present invention will be further described in detail below with reference to the drawings.

[0048] Y-axis motion mechanism: The servo drive is controlled by the PLC module to realize the operation of the servo motor 1-5, drive the active heavy-duty electric slide 1-1 to operate, and make the driven heavy-duty electric slide 1-2 and the active heavy-duty electric slide 1-1 move synchronously along the Y-axis.

[0049] Z-axis motion mechanism: The servo drive is controlled by the PLC module to realize the operation of the servo motor 2-5, which drives the synchronization rod 2-2 to operate, so that the two sets of heavy-duty electric slides 2-1 can move synchronously along the Z-axis.

[0050] X-axis motion mechanism: The servo drive is controlled by the PLC module to realize the operation of the servo motor 3-3, which drives the two sets of electric lead screws 3-1 to operate, so that the two sets of slides 3-2 move linearly along the X-axis.

[0051] Loading mechanism: The servo drive is controlled by the PLC module to realize the operation of the servo motor 4-7, thereby driving the operation of the loading electric cylinder 4-2.

[0052] Base turntable: The servo drive is controlled by the PLC module to realize the operation of the rotary motor 5-1, which drives the operation of the rotary drive 5-6 to realize the 360° rotation of the base turntable 5.

[0053] All of the above exercise modes can be achieved through the operation of the touch screen.

[0054] To facilitate understanding, the following description will take the static load test of the balance vehicle pedal as an example.

[0055] 1) Test preparation: According to the requirements of the static load test, the shape and area of ​​the measured surface and the pressure of the applied load, the material and shape of the load fixture are determined and then processed and customized, and the load fixture is fixed to the end of the pressure sensor 4-5 of the loading mechanism.

[0056] 2) Fixing of the sample: Place the balance car on the bottom profile frame 5-3 of the base turntable and fix it with the profile frame 5-4. Through the adjustment of the Y-axis motion mechanism, Z-axis motion mechanism, X-axis motion mechanism, loading mechanism and base turntable, the surface to be tested of the balance car is fitted with the surface of the load tooling.

[0057] 3) Positioning: Through touch screen operation, the motion of each axis can be realized. The X-axis motion mechanism realizes the linear motion of the loading mechanism along the X-axis, the Y-axis motion mechanism realizes the linear motion of the loading mechanism along the Y-axis, and the Z-axis motion mechanism realizes the linear motion of the loading mechanism along the Z-axis, thereby realizing the preliminary positioning in three-dimensional space. And through touch screen operation, the base turntable can be rotated around the Z-axis to make the loading mechanism close to the measured surface of the balance car. By adjusting the resin fixing handle 4-6, the loading electric cylinder 4-2 can be rotated around the X-axis, so that the load tooling at the end of the pressure sensor 4-5 fits the measured surface of the balance car.

[0058] 4) Test process: Set the load pressure, duration, load frequency, number of cycles and other parameters through the touch screen. The display shows the value and waveform of the load pressure and the measured surface deformation.

Claims

1. A static load test device, wherein the front and rear directions are defined as the Y-axis direction, the left and right directions are defined as the X-axis direction, and the up and down directions are defined as the Z-axis direction, characterized in that: The static load test device comprises: The base turntable is fixed on the base. The base turntable is used for the test sample. Under the control of the control system, the base turntable drives the test sample to rotate 360° around the Z axis. The test sample rotates a certain angle so that the loading mechanism approaches the test surface of the test sample. Two loading mechanisms, each loading mechanism is provided with a pressure sensor (4-5) connected to a control system at the end thereof, two load fixtures are respectively provided at the ends of the pressure sensors (4-5) of the two loading mechanisms, and the two loading mechanisms synchronously apply loads to the test piece through their respective load fixtures under the control of the control system; An X-axis motion mechanism is used to drive the loading mechanism to move along the X-axis under the control of the control system; A Z-axis motion mechanism, used to drive the loading mechanism to move along the Z-axis under the control of the control system; The Y-axis motion mechanism is used to drive the loading mechanism to move along the Y-axis under the control of the control system; The base turntable comprises a rotary motor (5-1), a large base plate (5-2), a bottom profile frame (5-3), a profile frame (5-4), a small base plate (5-5) and a rotary drive (5-6); The rotary motor (5-1) is electrically connected to the control system; under the control of the control system, the rotary motor (5-1) drives the profile frame (5-4) used to support the test piece to rotate 360 ​​degrees around the Z axis through the rotary drive (5-6); the profile frame (5-4) is arranged on the top surface of the bottom profile frame (5-3); the bottom surface of the bottom profile frame (5-3) is provided with a large bottom plate (5-2); the bottom surfaces of the rotary motor (5-1) and the rotary drive (5-6) are connected and fixed to the small bottom plate (5-5), and the top surfaces of the rotary motor (5-1) and the rotary drive (5-6) are connected and fixed to the large bottom plate (5-2); When the loading mechanism applies a load to the test object, at least one parameter of the direction, magnitude, duration, frequency, number of cycles and / or deformation of the test object is set and collected according to the test requirements; The two loading mechanisms have the same structure, comprising a fixed block (4-1), a loading electric cylinder (4-2) connected to a magnetic switch (4-3), a connecting shaft (4-4), a pressure sensor (4-5), a resin fixing handle (4-6) and a servo motor (4-7); Two fixed blocks (4-1) are connected and fixed to the X-axis motion mechanism; a loading electric cylinder (4-2) is arranged between the two fixed blocks (4-1) via a bearing, and a resin fixing handle (4-6) is connected to the end of the bearing, and the loading electric cylinder (4-2) is rotated around the X-axis by operating the resin fixing handle (4-6); the pressure sensor (4-5) is connected and fixed to the output shaft of the loading electric cylinder (4-2) via a connecting shaft (4-4), and the loading electric cylinder (4-2) is rotated so that the load fixture at the end of the pressure sensor (4-5) fits the measured surface of the test object; a servo motor (4-7) is provided on the loading electric cylinder (4-2), and the servo motor (4-7) drives the loading electric cylinder (4-2) under the control of the control system, so that the loading electric cylinder (4-2) applies a load to the test object through the load fixture; during the process of applying the load, a magnetic switch (4-3) is used to detect the piston position of the loading electric cylinder (4-2), and the detected signal is fed back to the control system.

2. A static load test device as claimed in claim 1, characterized in that: The X-axis motion mechanism comprises two sets of electric lead screws (3-1), two sets of slides (3-2), two sets of X-axis servo motors (3-3), two sets of X-axis proximity switches (3-4) and two sets of X-axis pressure blocks (3-5); Two sets of electric lead screws (3-1) are arranged at the top and the bottom, and are connected and fixed to the Z-axis motion mechanism through two sets of X-axis pressure blocks (3-5) respectively; two sets of slides (3-2) are fixed on the two sets of electric lead screws (3-1), and the upper part and the middle part of each set of slides (3-2) are respectively fixed on the two sets of electric lead screws (3-1); the fixing blocks (4-1) of the two loading mechanisms are respectively fixed on the bottom surfaces of the two sets of slides (3-2); two sets of X-axis servo motors (3-3) are respectively fixed on the bottom surfaces of the two sets of slides (3-2); Under the control of the control system, the two sets of slides (3-2) on the two sets of electric lead screws (3-1) are driven to move linearly along the X-axis; a set of X-axis proximity switches (3-4) are respectively provided at the left and right ends of any one set of electric lead screws (3-1) in the two sets of electric lead screws (3-1), so that the left limit position and the right limit position of the movement of the two sets of slides (3-2) are limited by the two sets of X-axis proximity switches (3-4), and the two sets of X-axis proximity switches (3-4) are connected to the control system.

3. A static load test device as claimed in claim 2, characterized in that: The Z-axis motion mechanism comprises two sets of heavy-duty electric slides (2-1), a synchronization rod (2-2), two sets of support members (2-3), two sets of Z-axis pressure blocks (2-4), a set of Z-axis servo motors (2-5) and two sets of Z-axis proximity switches (2-6); Two groups of heavy-duty electric slides (2-1) are arranged on the left and right, and the top ends of the two groups of heavy-duty electric slides (2-1) are respectively vertically arranged on the left and right ends of the two groups of electric lead screws (3-1). At the same time, the bottom ends of the two groups of heavy-duty electric slides (2-1) are respectively connected and fixed to the Y-axis motion mechanism through two groups of Z-axis pressure blocks (2-4); two groups of support members (2-3) are arranged on the left and right, and the upper end of each group of support members (2-3) is hinged to the upper end of the heavy-duty electric slide (2-1) on the same side, and the lower end is connected and fixed to the Y-axis motion mechanism, so that the support members (2-3) on the same side, the heavy-duty electric slide (2-1) and the Y-axis motion mechanism together form a triangular support structure; the two groups of heavy-duty electric slides (2-1) are arranged on the left and right, and the upper end of each group of support members (2-3) is hinged to the upper end of the heavy-duty electric slide (2-1) on the same side, and the lower end is connected and fixed to the Y-axis motion mechanism. A synchronization rod (2-2) is provided between the two heavy-duty electric slides (2-1), the synchronization rod (2-2) is connected to a Z-axis servo motor (2-5), and the Z-axis servo motor (2-5) causes the two groups of heavy-duty electric slides (2-1) to move synchronously along the Z axis in a straight line through the synchronization rod (2-2) under the control of the control system; a group of Z-axis proximity switches (2-6) are respectively provided at the upper and lower ends of any one of the two groups of heavy-duty electric slides (2-1), so that the upper limit position and the lower limit position of the movement of the two groups of heavy-duty electric slides (2-1) are limited by the two groups of Z-axis proximity switches (2-6), and the two groups of Z-axis proximity switches (2-6) are connected to the control system.

4. A static load test device as claimed in claim 3, characterized in that: The Y-axis motion mechanism comprises a set of active heavy-duty electric slides (1-1), a set of driven heavy-duty electric slides (1-2), two sets of Y-axis proximity switches (1-3), two sets of Y-axis pressure blocks (1-4) and two sets of Y-axis servo motors (1-5); A group of active heavy-duty electric slides (1-1) and a group of driven heavy-duty electric slides (1-2) are arranged on the left and right and are fixed to the base through two groups of Y-axis pressure blocks (1-4), respectively. The lower ends of the two groups of support members (2-3) are hinged to the active heavy-duty electric slides (1-1) or the driven heavy-duty electric slides (1-2) on the same side, so that the support members (2-3), the heavy-duty electric slides (2-1) and the active heavy-duty electric slides (1-1) or the driven heavy-duty electric slides (1-2) on the same side together form a triangular support structure. The two groups of Y-axis servo motors are connected to the active heavy-duty electric slides (1-1) or the driven heavy-duty electric slides (1-2). Under the control of the control system, the servo motor (1-5) drives a group of active heavy-duty electric slides (1-1) and a group of driven heavy-duty electric slides (1-2) to move synchronously along the Y-axis in a straight line; a group of Y-axis proximity switches (1-3) are respectively provided at the front and rear ends of the active heavy-duty electric slide (1-1), so that the front limit position and the rear limit position of the movement of the active heavy-duty electric slide (1-1) and the group of driven heavy-duty electric slides (1-2) are limited by the two groups of Y-axis proximity switches (1-3), and the two groups of Y-axis proximity switches (1-3) are connected to the control system.

5. A static load test device as claimed in claim 1, characterized in that: The base is welded from rectangular steel (6-1) and square steel (6-2).

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