Electric push rod simulation test device

Abstract

The utility model belongs to production equipment of an electric push rod, and particularly relates to a simulation test device for testing the electric push rod. An electric push rod simulation test device comprises a frame, an electric control assembly is arranged in the middle of the frame, test mechanisms are arranged in the positions, located on the two sides of the electric control assembly, of the frame respectively, and the test mechanisms drive a front pressing plate to move through a horizontal pushing air cylinder and a chain wheel rotating mechanism. The test fixing plate tests various parameters of the electric push rod in various states through the lower mounting joint, the sensor seat and the pull pressure sensor, the electric push rod testing device is provided with two test mechanisms, synchronous testing can be carried out, the test efficiency is improved, and people can conveniently judge the quality of the electric push rod.

Description

Technical Field

[0001] The utility model belongs to production equipment of an electric push rod, in particular to a simulation test device used for testing the electric push rod. Background Art

[0002] Electric linear actuator, also known as linear actuator motor, electric cylinder and linear actuator. Electric linear actuator is an electric drive device that converts the rotational motion of the motor into the linear reciprocating motion of the linear actuator. It can be used as an executive machine in various simple or complex process flows to achieve remote control, centralized control or automatic control.

[0003] In the related technology, each electric linear actuator needs to be tested for performance after it is produced. It is necessary to test the no-load running speed, full-load running speed, stroke, initial length and service life of the electric linear actuator, and judge whether the product is qualified through the data. Conventional testing equipment can only perform a single performance test and cannot meet the above multiple performance tests at the same time. Summary of the invention

[0004] In view of the shortcomings of the prior art, the utility model designs an electric push rod simulation test device, which can detect the working state of the electric push rod under various working conditions, so as to judge whether the electric push rod is qualified.

[0005] The technical solution of the utility model is as follows:

[0006] An electric push rod simulation test device comprises a frame, characterized in that: an electric control component is arranged in the middle of the frame, and test mechanisms are arranged in the frames on both sides of the electric control component, the test mechanisms comprise a lower base plate and an upper top plate connected to the frame, and columns connecting the four corners of the lower base plate and the upper top plate, a front guide shaft group and a rear guide shaft group are arranged at the front and rear of the lower base plate and the upper top plate, a test fixing plate is fixed at the lower part of the front guide shaft group, a sensor seat is arranged on the test fixing plate, a tension and pressure sensor is arranged in the sensor seat, a lower mounting joint is fixed on the sensor seat, and the front pressure plate and the rear pressure plate are also included, the front pressure plate is slidably connected to the front guide shaft group and the front pressure plate is located above the test fixing plate, the rear pressure plate is slidably connected to the rear guide shaft group, and a horizontal push cylinder is arranged on the upper top plate, The output end of the push cylinder is fixedly connected to the rear pressure plate, and two sprocket rotating mechanisms are provided between the lower bottom plate and the upper top plate. The two ends of the front pressure plate and the rear pressure plate are respectively fixedly connected to the sprocket rotating mechanisms. A group of support plates are symmetrically arranged at the lower end of the front pressure plate, and the slider positioning block is located between the two support plates and connected to both.

[0007] A grating mounting seat is fixed on the upper top plate, and the grating ruler is mounted on the grating mounting seat.

[0008] The lower mounting joint includes a mounting base plate, a mounting vertical plate is provided at the inner end of the upper surface of the mounting base plate, a concave waist-shaped connecting hole is provided on the side wall of the mounting vertical plate, a square groove connected to the waist-shaped connecting hole is provided on the upper surface of the mounting vertical plate, and the square groove is also connected to the side wall of the mounting vertical plate, and a manual clamp is fixed to the side of the mounting base plate opposite to the mounting vertical plate.

[0009] The slider positioning block includes a slider mounting plate connected to the support plate at both ends, positioning blocks are respectively provided at both ends of the upper surface of the slider mounting plate, the end faces of the positioning blocks are fixedly connected to the support plate, and limiting protrusions are respectively provided at the upper and lower ends of the opposite surfaces of the two positioning blocks, and a clearance groove is provided on the slider mounting plate, which corresponds to the gap between the two positioning blocks.

[0010] Two vacuum air tanks are arranged above the electronic control assembly, and the two vacuum air tanks are used to provide power air sources for the horizontal push cylinders of the test mechanism.

[0011] In summary, the utility model has the following beneficial effects:

[0012] The utility model acts on the rear pressure plate through a push cylinder and drives the front pressure plate through a chain rotating mechanism. The chain transmission mechanism has high transmission accuracy and can better control the movement state of the front pressure plate. Furthermore, the front pressure plate can simulate various performance parameters of the electric push rod under zero load and load conditions, thereby making it convenient for people to judge whether the electric push rod is qualified. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0014] Figure 2 It is a front view schematic diagram of the utility model;

[0015] Figure 3 for Figure 2 A cross-sectional perspective schematic diagram of

[0016] Figure 4 for Figure 1 The enlarged schematic diagram of point A in the middle;

[0017] Figure 5 for Figure 1 The enlarged schematic diagram of point B in the middle;

[0018] Figure 6 for Figure 2 A cross-sectional schematic diagram from another perspective of

[0019] In the figure, 1 is the frame, 2 is the electronic control component,

[0020] 3 is a test mechanism, 30 is a lower bottom plate, 31 is an upper top plate, 32 is a column, 33 is a front guide shaft group, 34 is a rear guide shaft group, 35 is a test fixing plate, 350 is a sensor seat, 351 is a tension pressure sensor, 36 is a lower mounting joint, 37 is a front pressure plate, 370 is a support plate, 371 is a slider positioning block, 38 is a rear pressure plate, 39 is a push cylinder,

[0021] 4 is a sprocket rotating mechanism,

[0022] 310 is the grating mounting seat, 311 is the grating ruler,

[0023] 360 is the installation base plate, 361 is the installation vertical plate, 3600 is the waist-shaped connection hole, 3610 is the square groove, 362 is the manual clamp,

[0024] 371 is a slider positioning block, 3710 is a slider mounting plate, 3712 is a positioning block, 3713 is a limiting convex block, 3714 is a clearance groove,

[0025] 5 is a vacuum tank. DETAILED DESCRIPTION

[0026] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0027] It should be noted that when an element is referred to as being "disposed on" or "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is referred to as being "fixed on" another element, or "fixedly connected" to another element, they may be fixed in a detachable manner or in a non-detachable manner. When an element is considered to be "connected" or "rotatably connected" to another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right", "upper", "lower" and similar expressions used are for illustrative purposes only and do not represent the only implementation method.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to restrict the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0029] The terms “first”, “second”, “third” and the like in the present invention do not represent specific quantities and orders, but are merely used to distinguish names.

[0030] See also Figures 1 to 6 As shown, an electric push rod simulation test device comprises a frame 1, wherein the frame is a rectangular frame formed by overlapping rows of aluminum alloy profiles, an electric control component 2 is arranged in the middle of the frame 1, and the electric control component comprises a group of partitions connected to the frame, the partitions form a relatively independent space in the middle of the frame, cabinet doors are arranged on the front and rear frames of the space, a display screen is arranged on the front cabinet door, which is used to display various measured parameters, an ammeter and a voltmeter are also included, each test mechanism has an ammeter and a voltmeter corresponding to it, the ammeter is used to measure the current of the electric push rod in various working states, the voltmeter is used to measure the voltage of the electric push rod in various working states, a start button and an emergency stop button are also provided, the start button is used to control the start of each test mechanism, and the emergency stop button is used to control the timely stop of each test mechanism when there is a safety hazard to avoid the occurrence of safety accidents, test mechanisms 3 are respectively arranged in the frames on both sides of the electric control component 2, and the ... The test mechanism 3 includes a lower base plate 30 and an upper top plate 31 connected to the frame, and a column 32 connecting the four corners of the lower base plate and the upper top plate. A front guide shaft group 33 and a rear guide shaft group 34 are respectively provided at the front and rear of the lower base plate 30 and the upper top plate 31. The front guide shaft group and the rear guide shaft group respectively include two parallel guide shafts. A test fixing plate 35 is fixed to the lower part of the front guide shaft group 33. A clamping structure is provided on the test fixing plate, and a fixed connection with the front guide shaft group is achieved through the clamping structure. A sensor seat 350 is provided on the test fixing plate 35. A tension and pressure sensor 351 is provided in the sensor seat 350. A lower mounting joint 36 is fixed on the sensor seat. The test mechanism 3 also includes a front pressure plate 37 and a rear pressure plate 38. The front pressure plate 37 is slidably connected to the front guide shaft group and is located above the test fixing plate 35. The rear pressure plate 38 is slidably connected to the rear guide shaft group 34. A push cylinder 39 is provided on the upper top plate 31. The output end of the push cylinder 39 is fixedly connected to the rear pressure plate, and two sprocket rotating mechanisms 4 are also provided between the lower bottom plate and the upper top plate. The sprocket rotating mechanism includes two sprockets fixed on the lower bottom plate and two sprockets fixed on the upper top plate. The chain is rotatably connected to the four sprockets, and the front pressure plate and the rear pressure plate are both fixedly connected to the chain. The two ends of the front pressure plate 37 and the rear pressure plate 38 are respectively fixedly connected to the sprocket rotating mechanism. Therefore, the push cylinder can act on the rear pressure plate and drive the front pressure plate through the sprocket rotating mechanism to simulate various working conditions of the electric push rod. A group of support plates 370 are symmetrically arranged at the lower end of the front pressure plate 37, and the slider positioning block 371 is located between the two support plates and connected to both.

[0031] The utility model designs an electric push rod simulation test device, the electric push rod to be tested is connected to the test mechanism, specifically, the fixed end of the electric push rod is connected to the lower mounting joint, the movable end of the electric push rod is connected to the slider positioning block, and then various working conditions of the electric push rod are simulated through the push cylinder, the sprocket rotating mechanism, the front pressure plate and the rear pressure plate, so that various working conditions of the electric push rod can be measured in an all-round way, and the quality of the electric push rod can be judged more comprehensively, and the test process is automatically controlled by the electronic control component, so that the automated operation of the test is realized.

[0032] A grating mounting seat 310 is fixed on the upper top plate 31, and the grating ruler 311 is mounted on the grating mounting seat. The grating ruler is used to detect the moving distance of the front pressure plate, thereby detecting the extended length of the electric push rod.

[0033] See also Figure 4 As shown, the lower mounting joint 36 includes a mounting base plate 360, and a mounting vertical plate 361 is provided at the inner end of the upper surface of the mounting base plate 360, and a side wall surface of the mounting vertical plate 360 ​​is provided with a concave waist-shaped connecting hole 3600, and an upper surface of the mounting vertical plate 361 is provided with a square groove 3610 connected to the waist-shaped connecting hole, and the square groove 3610 is also connected to the side wall surface of the mounting vertical plate 361, and a manual clamp 362 is fixed to the side of the mounting base plate opposite to the mounting vertical plate. The waist-shaped connecting hole and the square groove are provided to facilitate the electric push rod to be tested to be inserted therein, thereby realizing the limitation of the electric push rod in the Y direction and the Z direction, and then the electric push rod is fixed by the manual clamp, thereby realizing the rapid docking of the electric push rod with the lower mounting joint, thereby improving the efficiency of replacing the electric push rod to be tested.

[0034] See also Figure 5 As shown, the slider positioning block 371 includes a slider mounting plate 3710 connected to the support plate 370 at both ends, and positioning blocks 3712 are respectively provided at both ends of the upper surface of the slider mounting plate 3710. The end faces of the positioning blocks 3712 are fixedly connected to the support plate 370, and limiting protrusions 3713 are respectively provided at the upper and lower ends of the opposite surfaces of the two positioning blocks 3710. A clearance groove 3714 is provided on the slider mounting plate, and the clearance groove corresponds to the gap between the two positioning blocks. There is a gap between the two positioning blocks, and the gap is used to assemble the positioning slider. The positioning slider can be connected to the movable end of an electric push rod of various shapes. The positioning slider cooperates between the two positioning blocks and is limited in the vertical direction by the limiting protrusions. Therefore, the positioning slider adopts a slide-in fit method, which is convenient for assembly and replacement.

[0035] Two vacuum air tanks 5 are provided above the electronic control component 2. The two vacuum air tanks are respectively used to provide power air source for the push cylinder of the test mechanism. The vacuum air tanks serve as the power air source of the push cylinder, and each push cylinder is individually configured with a vacuum air tank, which ensures the stability of the air source of the push cylinder, so that the push cylinder can be controlled more accurately, so that it can more accurately simulate the working state of the push cylinder, thereby improving the test accuracy.

[0036] In summary, the utility model has the following beneficial effects:

[0037] The utility model acts on the rear pressure plate through a push cylinder and drives the front pressure plate through a chain rotating mechanism. The chain transmission mechanism has high transmission accuracy and can better control the movement state of the front pressure plate. Furthermore, the front pressure plate can simulate various performance parameters of the electric push rod under zero load and load conditions, thereby making it convenient for people to judge whether the electric push rod is qualified.

[0038] Based on the described embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

Claims

1. An electric push rod simulation test device, comprising a frame, characterized in that: An electric control component is provided in the middle of the frame, and test mechanisms are respectively provided in the frames located on both sides of the electric control component. The test mechanisms include a lower base plate and an upper top plate connected to the frame, and columns connecting the four corners of the lower base plate and the upper top plate. A front guide shaft group and a rear guide shaft group are respectively provided at the front and rear of the lower base plate and the upper top plate. A test fixing plate is fixed at the lower part of the front guide shaft group, a sensor seat is provided on the test fixing plate, a tension and pressure sensor is arranged in the sensor seat, a lower mounting joint is fixed on the sensor seat, and a front pressure plate and a rear pressure plate are also provided. The front pressure plate is slidably connected to the front guide shaft group and the front pressure plate is located above the test fixing plate. The rear pressure plate is slidably connected to the rear guide shaft group. A horizontal push cylinder is provided on the upper top plate. The output end of the push cylinder is fixedly connected to the rear pressure plate, and two sprocket rotating mechanisms are provided between the lower bottom plate and the upper top plate. The two ends of the front pressure plate and the rear pressure plate are respectively fixedly connected to the sprocket rotating mechanisms. A group of support plates are symmetrically arranged at the lower end of the front pressure plate, and the slider positioning block is located between the two support plates and connected to both.

2. The electric push rod simulation test device according to claim 1, characterized in that: A grating mounting seat is fixed on the upper top plate, and the grating ruler is mounted on the grating mounting seat.

3. The electric push rod simulation test device according to claim 1, characterized in that: The lower mounting joint includes a mounting base plate, a mounting vertical plate is provided at the inner end of the upper surface of the mounting base plate, a concave waist-shaped connecting hole is provided on the side wall of the mounting vertical plate, a square groove connected to the waist-shaped connecting hole is provided on the upper surface of the mounting vertical plate, and the square groove is also connected to the side wall of the mounting vertical plate, and a manual clamp is fixed to the side of the mounting base plate opposite to the mounting vertical plate.

4. The electric push rod simulation test device according to claim 1, characterized in that: The slider positioning block includes a slider mounting plate connected to the support plate at both ends, positioning blocks are respectively provided at both ends of the upper surface of the slider mounting plate, the end faces of the positioning blocks are fixedly connected to the support plate, and limiting protrusions are respectively provided at the upper and lower ends of the opposite surfaces of the two positioning blocks, and a clearance groove is provided on the slider mounting plate, which corresponds to the gap between the two positioning blocks.

5. The electric push rod simulation test device according to claim 1, characterized in that: Two vacuum air tanks are arranged above the electronic control assembly, and the two vacuum air tanks are used to provide power air sources for the horizontal push cylinders of the test mechanism.

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