Tensile test device for charger wire

Abstract

The utility model discloses a charger wire tensile test device, which comprises a mounting box and a charger wire, the circumferential outer wall of the mounting box is fixedly connected with a test board, the outer wall of the top of the mounting box is fixedly connected with a driving motor, and the output end of the driving motor penetrates through the top of the mounting box and is in key connection with a driving gear. The inner wall of the top of the mounting box is rotationally connected with a plurality of rotating arms, the outer walls of the rotating arms are in key connection with driven gears, and the driving gear is meshed with the driven gears. According to the utility model, the rotating arm is driven to rotate under the driving of the driving motor and the meshing effect of the driving gear and the driven gear, so that the sliding rod is driven to move in the guide slide way, the supporting rod and the top rod are driven to move, the charger wire is driven to move, and the charger wire is pulled. Therefore, an automatic tensile test is carried out on the charger wire, and the pulling force can be accurately mastered.

Description

Technical Field

[0001] The utility model relates to the technical field of charger testing, in particular to a charger wire tensile testing device. Background Art

[0002] An electric vehicle charger is a charging device specially configured for the battery of an electric bicycle. Existing electric vehicle chargers need to test the tensile strength of the charging cable during the production process. However, in the existing tensile test of electric vehicle chargers, most of them use manual testing, which makes it impossible to accurately control the pulling force. Improper operation will cause excessive strain on the charging cable. In addition, manual pulling of the wires multiple times is time-consuming and labor-intensive, affecting the efficiency of the tensile test of the charger wires. Utility Model Content

[0003] The purpose of the utility model is to solve the problems in the prior art that, in the process of tensile testing of electric vehicle chargers, most of the tests are conducted manually, resulting in the inability to accurately control the pulling force, improper operation causing excessive strain on the charging cable, and multiple manual pulling of the wires, which is time-consuming and labor-intensive, affecting the efficiency of the tensile testing of the charger wires. A charger wire tensile testing device is proposed to solve the problems that the pulling force cannot be accurately controlled, improper operation may cause excessive strain on the charging cable, and the manual pulling of the wires is time-consuming and labor-intensive, affecting the efficiency of the tensile testing of the charger wires.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A charger wire tensile test device comprises an installation box and a charger wire, the circumferential outer wall of the installation box is fixedly connected with a test bench, the top outer wall of the installation box is fixedly connected with a driving motor, the output end of the driving motor is connected with a driving gear through the top key of the installation box, the top inner wall of the installation box is rotatably connected with a plurality of rotating arms, the outer wall key of the rotating arm is connected with a driven gear, the driving gear meshes with the driven gear, and the other end of the rotating arm is fixedly connected with a rotating column, the bottom outer wall of the installation box is fixedly connected with a plurality of supporting frames, the top of the supporting frame is fixedly connected with a guide slideway, a sliding rod is slidably connected in the guide slideway, one end of the sliding rod is fixedly connected with a limiting ring, the rotating column slides in the limiting ring, the top of the sliding rod is fixedly connected with a supporting rod, the supporting rod is slidably connected with the test bench, the top of the supporting rod is slidably plugged with a push rod, one end of the push rod is fixedly connected with a ferrule, the charger wire is ferruled with the ferrule, one end of the push rod is sleeved with a buffer spring, and a fixing mechanism is provided on the top of multiple ends of the test bench.

[0006] Furthermore, one end of the buffer spring is fixedly connected to the support rod, and the other end of the buffer spring is fixedly connected to the clamping sleeve.

[0007] Furthermore, the fixing mechanism includes a support base, which is fixedly connected to the test bench. A fixed pressure plate is provided on the top of the support base, which presses on the charger wire, and a fastening bolt is threadedly connected to the top of the fixed pressure plate.

[0008] Furthermore, a socket is fixedly connected to the top of the multiple ends of the test bench, a plug is inserted into the socket, and the plug is electrically connected to one end of the charger wire.

[0009] Furthermore, a power detector is fixedly connected to the top of the multiple terminals of the test bench, and the other end of the charger wire is electrically connected to the power detector.

[0010] Furthermore, two clamping bolts are inserted into the top of the electric power detector.

[0011] The beneficial effects of the utility model are:

[0012] 1. The rotating arm is driven to rotate under the action of the driving motor and the meshing of the driving gear and the driven gear, thereby driving the sliding rod to move in the guide slideway, thereby driving the supporting rod and the top rod to move, thereby driving the charger wire to move, and then pulling the charger wire, thereby performing an automatic tensile test on the charger wire, and facilitating the accurate control of the pulling force.

[0013] 2. The sliding connection between the top rod and the support rod and the design of the buffer spring facilitate buffering during the tensile test of the charger cable, thereby avoiding breaking the charger cable.

[0014] 3. By inserting the plug into the socket and fixing the other end of the charger cable to the power tester with the clamping bolt, the power can be monitored during the charger cable tensile test, thereby better testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional structural schematic diagram of a charger wire tensile test device proposed by the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of a charger wire tensile test device proposed by the utility model from a bottom view;

[0017] Figure 3 The utility model provides a schematic cross-sectional structure diagram of a charger wire tensile test device.

[0018] In the figure: 1. Installation box; 2. Test bench; 3. Drive motor; 4. Driving gear; 5. Driven gear; 6. Rotating arm; 7. Rotating column; 8. Guide slide; 9. Limiting ring; 10. Sliding rod; 11. Support rod; 12. Push rod; 13. Card sleeve; 14. Buffer spring; 15. Socket; 16. Electric power tester; 17. Fixed pressure plate; 18. Fastening bolt; 19. Charger wire; 20. Plug; 21. Tightening bolt; 22. Support seat. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1-Figure 3 A charger wire tensile test device comprises an installation box 1 and a charger wire 19, a test bench 2 is welded on the circumferential outer wall of the installation box 1, a driving motor 3 is fixed to the top outer wall of the installation box 1 by bolts, the output end of the driving motor 3 is connected to a driving gear 4 through the top key of the installation box 1, a plurality of rotating arms 6 are rotatably connected to the top inner wall of the installation box 1, a driven gear 5 is connected to the outer wall key of the rotating arm 6, the driving gear 4 is meshed with the driven gear 5, a rotating column 7 is welded to the other end of the rotating arm 6, a plurality of supporting frames are welded to the bottom outer wall of the installation box 1, a guide slide 8 is welded on the top of the supporting frame, a sliding rod 10 is slidably connected in the guide slide 8, a limiting ring 9 is welded at one end of the sliding rod 10, the rotating column 7 slides in the limiting ring 9, and the sliding rod 10 A support rod 11 is welded to the top, and the support rod 11 is slidably connected to the test bench 2. A push rod 12 is slidably inserted at the top of the support rod 11, and a sleeve 13 is welded at one end of the push rod 12. Driven by the drive motor 3 and the meshing of the driving gear 4 and the driven gear 5, the rotating arm 6 is driven to rotate, so that the rotating column 7 slides in the limit ring 9, and then drives the sliding rod 10 to move in the guide slide 8, thereby driving the support rod 11 and the push rod 12 to move, thereby driving the charger wire 19 to move, and then pulling the charger wire 19, so as to perform a tensile test on the charger wire 19, the charger wire 19 is clamped with the sleeve 13, and one end of the push rod 12 is sleeved with a buffer spring 14, and a fixing mechanism is provided on the top of multiple ends of the test bench 2.

[0021] One end of the buffer spring 14 is fixedly connected to the support rod 11, and the other end of the buffer spring 14 is fixedly connected to the ferrule 13. The sliding connection between the top rod 12 and the support rod 11 and the design of the buffer spring 14 facilitate buffering during the tensile test of the charger cable 19, thereby avoiding breaking the charger cable. The fixing mechanism includes a support seat 22, which is fixedly connected to the test bench 2. A fixed pressure plate 17 is provided on the top of the support seat 22, and the fixed pressure plate 17 is pressed on the charger cable 19. A fastening bolt 18 is threadedly connected to the top of the fixed pressure plate 17, and the fixed pressure plate 17 is pressed on the charger cable 19 by the fastening bolt 18. , thereby fixing both ends of the charger wire 19, a socket 15 is fixedly inserted on the top of the test bench 2, a plug 20 is inserted in the socket 15, the plug 20 is electrically connected to one end of the charger wire 19, a power detector 16 is fixed to the top of the test bench 2 by bolts, the other end of the charger wire 19 is electrically connected to the power detector 16, two clamping bolts 21 are inserted on the top of the power detector 16, the plug 20 is inserted into the socket 15, and the other end of the charger wire 19 is fixed to the power detector 16 by the clamping bolts 21, so as to perform power monitoring during the tensile test of the charger wire 19.

[0022] The working principle of this embodiment: when in use, first, insert the plug 20 into the socket 15, then place the charger wire 19 on the support seat 22, and make the charger wire 19 clamped on the clamping sleeve 13, then, use the clamping bolt 21 to fix the other end of the charger wire 19 on the power detector 16, then, press the fixed pressure plate 17 on the charger wire 19 by the tightening bolt 18, so as to fix the two ends of the charger wire 19, then, under the drive of the driving motor 3 and the meshing of the driving gear 4 and the driven gear 5, drive the rotating arm 6 to rotate, so that the rotating column 7 slides in the limit ring 9, and then drives the sliding rod 10 to move in the guide slide 8, thereby driving the support rod 11 and the top rod 12 to move, thereby driving the charger wire 19 to move, and then pulling the charger wire 19, so as to perform a tensile test on the charger wire 19.

[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A charger cable tensile test device, comprising a mounting box (1) and a charger cable (19), characterized in that: The circumferential outer wall of the installation box (1) is fixedly connected to the test bench (2); the top outer wall of the installation box (1) is fixedly connected to the driving motor (3); the output end of the driving motor (3) is connected to the driving gear (4) through the top key of the installation box (1); the top inner wall of the installation box (1) is rotatably connected to a plurality of rotating arms (6); the outer wall keys of the rotating arms (6) are connected to the driven gear (5); the driving gear (4) is meshed with the driven gear (5); the other end of the rotating arm (6) is fixedly connected to the rotating column (7); the bottom outer wall of the installation box (1) is fixedly connected to a plurality of support frames; the top of the support frames is fixedly connected to the guide slideway (8), a sliding rod (10) is slidably connected in the guide slideway (8), one end of the sliding rod (10) is fixedly connected to a limiting ring (9), the rotating column (7) slides in the limiting ring (9), the top of the sliding rod (10) is fixedly connected to a support rod (11), the support rod (11) is slidably connected to the test bench (2), the top of the support rod (11) is slidably plugged with a push rod (12), one end of the push rod (12) is fixedly connected to a clamping sleeve (13), the charger wire (19) is clamped with the clamping sleeve (13), one end of the push rod (12) is sleeved with a buffer spring (14), and the top of the test bench (2) is provided with a fixing mechanism at multiple ends.

2. A charger wire tensile test device according to claim 1, characterized in that: One end of the buffer spring (14) is fixedly connected to the support rod (11), and the other end of the buffer spring (14) is fixedly connected to the clamping sleeve (13).

3. A charger wire tensile test device according to claim 1, characterized in that: The fixing mechanism comprises a support base (22), the support base (22) is fixedly plugged with the test bench (2), a fixed pressing plate (17) is provided on the top of the support base (22), the fixed pressing plate (17) is pressed on the charger wire (19), and a fastening bolt (18) is threadedly plugged on the top of the fixed pressing plate (17).

4. A charger wire tensile test device according to claim 1, characterized in that: A socket (15) is fixedly plugged into the top of multiple ends of the test bench (2), a plug (20) is plugged into the socket (15), and the plug (20) is electrically connected to one end of a charger wire (19).

5. A charger wire tensile test device according to claim 1, characterized in that: The top of the multiple ends of the test bench (2) is fixedly connected with a power detector (16), and the other end of the charger wire (19) is electrically connected to the power detector (16).

6. A charger wire tensile test device according to claim 5, characterized in that: Two clamping bolts (21) are inserted at the top of the power detector (16).

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