Electric cylinder push-pull force performance testing device

Abstract

The utility model discloses an electric cylinder push-pull force performance testing device, and relates to the technical field of electric cylinders. A guide part is arranged on the surface of the fixed machine body, a movable sliding block is arranged on the surface of the fixed machine body in a sliding and clamping mode through the guide part, a lower limiting spring piece is fixedly arranged on the upper side of the movable sliding block, and a movable block is fixedly arranged at the top end of the lower limiting spring piece; a rotating connecting shaft is rotationally arranged in the moving block, the upper end of an electric cylinder is fixed to the upper fixing panel, the lower end of the electric cylinder is fixedly arranged on the lower fixing panel, then the rotating connecting shaft is rotated to drive inner gear pieces to rotate, and the two inner gear pieces rotate to drive a tooth connecting part to conduct traction shrinkage; the upper fixing panel is pulled to move, and the upper fixing panel is fixedly arranged at the piston rod end of the electric cylinder, so that the pulling force of the electric cylinder can be detected through synchronous conversion by detecting the rotating force of the rotating connecting shaft.

Description

Technical Field

[0001] The utility model relates to the technical field of electric cylinders, in particular to a device for testing the push-pull force performance of electric cylinders. Background Art

[0002] After searching, publication number CN103913345A discloses an electric cylinder detection device, which detects the load accuracy of the electric cylinder and makes precision adjustments through a combined device of the electric cylinder and the hydraulic cylinder to avoid the influence of errors during operation. This device fixes the electric cylinder and the hydraulic cylinder respectively at the center of two symmetrically distributed columns on the overall frame, and installs a force measuring device with a pressure sensor, a tension sensor, a flange and a connecting arm in the middle of the electric cylinder and the hydraulic cylinder. The two ends of the connecting arm are fixed to two positioning linear slide rails by bolts. The two positioning linear slide rails are arranged on the inner walls of two symmetrically distributed beams on the overall frame, so as to read the force and displacement in time during operation. The present invention has strong structural reliability, high precision and simple operation, thus forming a new type of electric cylinder detection equipment.

[0003] The detection device occupies a large space, and the movement stroke of the tension detection equipment itself is tested based on the movement stroke of the electric cylinder, which is not convenient for subsequent use. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a device for testing the push-pull force performance of an electric cylinder, which solves the problems raised by the background technology.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: an electric cylinder push-pull force performance testing device, comprising a fixed body, a guide portion is provided on the surface of the fixed body, a moving slider is provided on the surface of the fixed body through the sliding engagement of the guide portion, and a lower limiting spring member is fixedly provided on the upper side of the moving slider, and a moving block is fixedly provided on the top of the lower limiting spring member, a rotating connecting shaft is provided for internal rotation of the moving block, an internal gear member is fixedly provided on the surface of the rotating connecting shaft, an upper fixed base is fixedly provided on the top of the moving block, the upper end of the electric cylinder is fixed on the upper fixed panel, and the lower end of the electric cylinder is fixedly provided on the lower fixed panel, and then the rotating connecting shaft is rotated to drive the internal gear member to rotate, and the rotation of the two internal gear members drives the tooth connection portion to pull and contract, and pulls the upper fixed panel to move. Since the upper fixed panel is fixedly provided on the piston rod end of the electric cylinder, the pulling force of the electric cylinder can be detected by synchronously converting the rotational force of the rotating connecting shaft.

[0006] Preferably, it also includes a lower fixed panel fixedly arranged on the external fixed platform, a tooth connection part is wound around the inside of the internal gear part and connected, an upper fixed panel is fixedly arranged on the end of the tooth connection part away from the internal gear part, and the upper fixed panel and the lower fixed panel are equal in size.

[0007] Preferably, an external tooth limiting block is rotatably provided on the surface of the fixed body, an external tooth portion is provided on the surface of the external tooth limiting block, the external tooth portion is meshed with the internal gear part, and the external tooth limiting block and the fixed body have damped rotation, and the external tooth limiting block is rotated to allow the external tooth portion on the external tooth limiting block to mesh with the internal gear part, thereby limiting the rotation of the internal gear part, thereby reducing the overall movement stroke of the electric cylinder during the test and reducing practical space. At the same time, by limiting the fastening screw to adjust the position of the moving block on the upper fixed base on the fixed body, it is convenient to adapt and detect electric cylinders of different specifications.

[0008] Preferably, a limiting pin is provided through the surface of the fixed body, and two limiting fastening screws are threadedly provided on the surface of the upper fixed base, and the two limiting fastening screws are symmetrically arranged on the upper fixed base.

[0009] Preferably, an upper lifting handle is fixedly provided on the upper surface of the upper fixed base.

[0010] Preferably, two internal gear members are arranged on the surface of the rotating connecting shaft, and the two internal gear members are symmetrically arranged on the rotating connecting shaft, and the tooth connection portion is arranged in the middle of the two internal gear members.

[0011] Beneficial Effects

[0012] The utility model provides a device for testing the push-pull force performance of an electric cylinder. Compared with the prior art, it has the following beneficial effects:

[0013] A device for testing the push-pull force performance of an electric cylinder drives an internal gear to rotate by rotating a rotating connecting shaft. The rotation of the two internal gears drives the tooth connection part to pull and contract, and pulls the upper fixed panel to move. Since the upper fixed panel is fixedly arranged on the piston rod end of the electric cylinder, the pulling force of the electric cylinder can be detected by synchronous conversion by detecting the rotational force of the rotating connecting shaft. At the same time, the external tooth limiting block is rotated to allow the external tooth portion on the external tooth limiting block to mesh with the internal gear part, thereby limiting the rotation of the internal gear part, thereby reducing the overall movement stroke of the electric cylinder in the test and reducing the practical space. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a front view of the structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the side structure of the utility model.

[0017] In the figure: 1. upper fixed base; 2. limiting fastening screw; 3. limiting pin; 4. moving block; 5. rotating connecting shaft; 6. lower limiting spring member; 7. guide part; 8. internal gear member; 9. external tooth limiting block; 10. tooth connecting part; 11. upper fixed panel; 12. lower fixed panel; 13. moving slider; 14. external tooth part; 15. upper pulling handle; 16. fixed body. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-3 The utility model provides a technical solution: a device for testing the push-pull force performance of an electric cylinder, comprising a fixed body 16, a guide portion 7 is provided on the surface of the fixed body 16, a moving slider 13 is provided on the surface of the fixed body 16 through the guide portion 7 for sliding engagement, a lower limiting spring member 6 is fixedly provided on the upper side of the moving slider 13, a moving block 4 is fixedly provided on the top of the lower limiting spring member 6, a rotating connecting shaft 5 is provided for rotation inside the moving block 4, an internal gear member 8 is fixedly provided on the surface of the rotating connecting shaft 5, an upper fixed base 1 is fixedly provided on the top of the moving block 4, the upper end of the electric cylinder is fixed on the upper fixed panel 11, and the lower end of the electric cylinder is fixedly provided on the lower fixed panel 12, and then the rotating connecting shaft 5 is rotated to drive the internal gear member 8 to rotate, and the rotation of the two internal gear members 8 drives the tooth connection portion 10 to pull and contract, and pulls the upper fixed panel 11 to move, and since the upper fixed panel 11 is fixedly provided on the piston rod end of the electric cylinder, the pulling force of the electric cylinder can be detected by synchronously converting the rotation force of the rotating connecting shaft 5.

[0020] It also includes a lower fixed panel 12 fixedly arranged on the external fixed platform, a tooth connection part 10 is wound around the inside of the internal gear part 8, an upper fixed panel 11 is fixedly arranged on the end of the tooth connection part 10 away from the internal gear part 8, and the upper fixed panel 11 and the lower fixed panel 12 are equal in size.

[0021] An external tooth limiting block 9 is rotatably provided on the surface of the fixed body 16, and an external tooth portion 14 is provided on the surface of the external tooth limiting block 9. The external tooth portion 14 is meshed with the internal gear member 8, and the external tooth limiting block 9 and the fixed body 16 damp the rotation. The external tooth limiting block 9 is rotated to allow the external tooth portion 14 on the external tooth limiting block 9 to mesh with the internal gear member 8, thereby limiting the rotation of the internal gear member 8, thereby reducing the overall movement stroke of the electric cylinder during the test and reducing the practical space. At the same time, the position of the moving block 4 on the upper fixed base 1 on the fixed body 16 is adjusted by limiting the fastening screw 2, so as to facilitate the adaptation and detection of electric cylinders of different specifications.

[0022] A limiting pin 3 is provided through the surface of the fixed body 16, and two limiting fastening screws 2 are threadedly provided on the surface of the upper fixed base 1, and the two limiting fastening screws 2 are symmetrically arranged on the upper fixed base 1, and an upper lifting handle 15 is fixedly provided on the upper surface of the upper fixed base 1, and two internal gear parts 8 are provided on the surface of the rotating connecting shaft 5, and the two internal gear parts 8 are symmetrically arranged on the rotating connecting shaft 5, and the tooth connection part 10 is provided in the middle of the two internal gear parts 8.

[0023] When in use, the original parts for active push-pull detection of the electric cylinder will be installed, the upper end of the electric cylinder is fixed on the upper fixed panel 11, and the lower end of the electric cylinder is fixedly set on the lower fixed panel 12, and then the rotating connecting shaft 5 is rotated to drive the internal gear part 8 to rotate, and the rotation of the two internal gear parts 8 drives the tooth connection part 10 to pull and contract, pulling the upper fixed panel 11 to move. Since the upper fixed panel 11 is fixedly set on the piston rod end of the electric cylinder, the pulling force of the electric cylinder can be detected by synchronously converting the rotation force of the rotating connecting shaft 5. At the same time, the external tooth limiting block 9 is rotated to allow the external tooth part 14 on the external tooth limiting block 9 to mesh with the internal gear part 8, limiting the rotation of the internal gear part 8, thereby reducing the overall movement stroke of the electric cylinder in the test and reducing the practical space. At the same time, the position of the moving block 4 on the upper fixed base 1 on the fixed body 16 is adjusted by limiting the fastening screw 2, so as to facilitate the adaptation and detection of electric cylinders of different specifications.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for testing the push-pull force performance of an electric cylinder, comprising a fixed body (16), characterized in that: A guide portion (7) is provided on the surface of the fixed body (16); a movable slider (13) is slidably engaged with the surface of the fixed body (16) through the guide portion (7); a lower limiting spring component (6) is fixedly provided on the upper side of the movable slider (13); a movable block (4) is fixedly provided on the top of the lower limiting spring component (6); a rotating connecting shaft (5) is rotatably provided inside the movable block (4); an internal gear component (8) is fixedly provided on the surface of the rotating connecting shaft (5); and an upper fixed base (1) is fixedly provided on the top of the movable block (4).

2. The push-pull force performance testing device of an electric cylinder according to claim 1, characterized in that: It also comprises a lower fixed panel (12) fixedly arranged on the external fixed platform, a tooth connection portion (10) is wound around the inside of the internal gear member (8) and connected thereto, an upper fixed panel (11) is fixedly arranged on one end of the tooth connection portion (10) away from the internal gear member (8), and the upper fixed panel (11) and the lower fixed panel (12) are of equal size.

3. The push-pull force performance testing device of an electric cylinder according to claim 1, characterized in that: An external tooth limiting block (9) is rotatably arranged on the surface of the fixed body (16), an external tooth portion (14) is arranged on the surface of the external tooth limiting block (9), the external tooth portion (14) is meshed with the internal gear member (8), and the external tooth limiting block (9) and the fixed body (16) are subjected to damped rotation.

4. The push-pull force performance testing device of an electric cylinder according to claim 1, characterized in that: A limiting pin (3) is provided through the surface of the fixed body (16), and two limiting fastening screws (2) are threadedly provided on the surface of the upper fixed base (1), and the two limiting fastening screws (2) are symmetrically arranged on the upper fixed base (1).

5. The push-pull force performance testing device of an electric cylinder according to claim 1, characterized in that: An upper lifting handle (15) is fixedly provided on the upper surface of the upper fixed base (1).

6. The push-pull force performance testing device of an electric cylinder according to claim 2, characterized in that: Two internal gear members (8) are arranged on the surface of the rotating connecting shaft (5), and the two internal gear members (8) are symmetrically arranged on the rotating connecting shaft (5), and the tooth connection portion (10) is arranged in the middle of the two internal gear members (8).

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