Electric vehicle frame strength detection device

Abstract

The utility model relates to the technical field of electric vehicle detection devices, and discloses an electric vehicle frame strength detection device which solves the problems that an existing detection device is incomplete in detection and inaccurate in detection data. A first vibration mechanism and a second vibration mechanism are slidably arranged at the two ends in the sliding groove correspondingly, the first vibration mechanism is connected with the supporting base through a first hydraulic rod, the second vibration mechanism is connected with the supporting base through a second hydraulic rod, and the electric vehicle frame is connected to the top ends of the first vibration mechanism and the second vibration mechanism through pin shafts. A plurality of counterweight mechanisms are arranged at the top end of the electric vehicle frame; through the detection device, vibration detection, compression resistance detection and tension resistance detection can be carried out on the electric bicycle frame, the frame bearing of an electric bicycle under normal use can be simulated, and the accuracy and comprehensiveness of detection are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric vehicle detection devices, in particular to an electric vehicle frame strength detection device. Background Art

[0002] Electric vehicles are a common means of transportation. After the production and processing of electric vehicle frames are completed, various data need to be tested. Among them, strength testing is particularly important, which is related to the service life and safety of electric vehicles. Traditional testing devices only detect the bidirectional vibration of the front and rear forks of the electric vehicle frame, and cannot realize the squeezing or pulling test of the electric vehicle frame, and it is difficult to intuitively judge the overall strength of the electric vehicle frame. In addition, the traditional testing device also lacks a counterweight part and cannot effectively simulate the frame load-bearing of the electric bicycle under normal use. The frame stability test result is not accurate enough. Therefore, the present application improves the existing testing device and proposes an electric vehicle frame strength testing device. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an electric vehicle frame strength detection device, which effectively solves the problems of incomplete detection and inaccurate detection data of the existing detection device.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric vehicle frame strength detection device, comprising a support base, a slide groove is provided at the top of the support base, a first vibration mechanism and a second vibration mechanism are slidably arranged at both ends of the slide groove, the first vibration mechanism is connected to the support base through hydraulic rod one, the second vibration mechanism is connected to the support base through hydraulic rod two, the electric vehicle frame is connected to the top of the first vibration mechanism and the second vibration mechanism through a pin shaft, and a plurality of counterweight mechanisms are arranged at the top of the electric vehicle frame.

[0005] Preferably, a plurality of locking bolts matching the first vibration mechanism and the second vibration mechanism are interspersed on the side of the support base.

[0006] Preferably, the first vibration mechanism and the second vibration mechanism are both composed of a sliding support seat, a driving assembly and a connecting seat, the sliding support seat is slidably connected to the inside of the slide groove, the driving assembly is fixedly connected to the top of the sliding support seat, the connecting seat is fixedly connected to the top of the driving assembly, and a threaded hole matching the locking bolt is opened on the side of the sliding support seat.

[0007] Preferably, the driving assembly consists of a shell, a driving motor, a driving shaft, a cam, a sleeve, a lifting shaft and a universal ball. The shell is fixedly connected to the top of the sliding support seat, the driving motor is fixedly connected to one side of the shell, the cam is connected to the driving motor through the driving shaft, the sleeve is inserted and connected to the middle position of the top of the shell, the lifting shaft is slidably connected to the inside of the sleeve, and the universal ball is rotatably connected to the bottom end of the lifting shaft and matches the cam.

[0008] Preferably, the connecting seat is fixedly connected to the top end of the lifting shaft, a strip slide groove is provided inside the connecting seat, a limit slider is slidingly arranged inside the strip slide groove, a pin shaft is inserted through the limit slider, and a mounting hole matching the pin shaft is provided inside the limit slider.

[0009] Preferably, the counterweight mechanism is composed of a support rod, a plurality of counterweight plates and a plurality of nut locking seats, the support rod is connected to the electric vehicle frame through a plurality of clamps, and the counterweight plates and the nut locking seats are connected to both ends of the support rod.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] (1) During operation, by providing the hydraulic rod 1 and the hydraulic rod 2, the frame of the electric vehicle can be subjected to compression and tension tests, and the overall strength of the frame of the electric vehicle can be intuitively judged. By providing the first vibration mechanism and the second vibration mechanism composed of the sliding support seat, the driving assembly and the connecting seat, the frame of the electric vehicle can be subjected to vibration testing, and the frame of the electric vehicle can be subjected to durability testing and fatigue testing, thereby improving the comprehensiveness of the testing. By providing the connecting seat, the bar slide groove and the limit slider, the degree of freedom of the pin shaft can be improved, the degree of freedom of the vibration testing can be improved, and the testing effect can be thereby improved.

[0012] (2) By setting up a counterweight mechanism consisting of a support rod, a plurality of counterweight plates and a plurality of nut locking seats, the frame of the electric vehicle can be counterweighted to simulate actual usage conditions and improve the accuracy of the detection. At the same time, the number of counterweight plates can be adjusted. By continuously increasing the counterweight, the compressive strength of the frame of the electric vehicle can be tested. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0014] In the attached picture:

[0015] Figure 1 This is a schematic diagram of the structure of the electric vehicle frame strength detection device of the utility model;

[0016] Figure 2This is a schematic diagram of the connection structure between the first vibration mechanism and the second vibration mechanism and the support base of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the second vibration mechanism of the utility model;

[0018] Figure 4 This is a schematic diagram of the internal structure of the drive assembly of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the connecting seat of the utility model;

[0020] In the figure: 1. support base; 2. slide groove; 3. first vibration mechanism; 4. second vibration mechanism; 5. hydraulic rod one; 6. hydraulic rod two; 7. pin shaft; 8. counterweight mechanism; 9. locking bolt; 10. sliding support seat; 11. driving assembly; 12. connecting seat; 13. threaded hole; 14. housing; 15. driving motor; 16. driving shaft; 17. cam; 18. sliding sleeve; 19. lifting shaft; 20. universal ball; 21. strip slide groove; 22. limit slider; 23. mounting hole; 24. support rod; 25. counterweight plate; 26. nut locking seat. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] Depend on Figure 1 and Figure 2 The utility model provides an electric vehicle frame strength detection device, comprising a support base 1, a slide groove 2 is provided at the top of the support base 1, a first vibration mechanism 3 and a second vibration mechanism 4 are slidably provided at both ends of the slide groove 2, the first vibration mechanism 3 is connected to the support base 1 through a hydraulic rod 1 5, the second vibration mechanism 4 is connected to the support base 1 through a hydraulic rod 2 6, the electric vehicle frame is connected to the top of the first vibration mechanism 3 and the second vibration mechanism 4 through a pin shaft 7, and a plurality of counterweight mechanisms 8 are provided at the top of the electric vehicle frame;

[0023] When in use, the electric vehicle frame is mounted on the top of the first vibration mechanism 3 and the second vibration mechanism 4, and the counterweight mechanism 8 is mounted on the top of the electric vehicle frame. The first vibration mechanism 3 and the second vibration mechanism 4 are used to realize vibration detection of the electric vehicle frame, thereby realizing durability and fatigue resistance test of the electric vehicle frame. The first vibration mechanism 3 and the second vibration mechanism 4 can be driven to move by the hydraulic rod 1 5 and the hydraulic rod 2 6, thereby realizing tensile and compressive tests on the electric vehicle frame, thereby improving the comprehensiveness of the detection.

[0024] Depend on Figures 1 to 5 It is given that a plurality of locking bolts 9 matching the first vibration mechanism 3 and the second vibration mechanism 4 are interspersed on the side of the support base 1. The first vibration mechanism 3 and the second vibration mechanism 4 are both composed of a sliding support seat 10, a driving assembly 11 and a connecting seat 12. The sliding support seat 10 is slidably connected to the inside of the slide groove 2. The driving assembly 11 is fixedly connected to the top of the sliding support seat 10. The connecting seat 12 is fixedly connected to the top of the driving assembly 11. The side of the sliding support seat 10 is provided with a threaded hole 13 matching the locking bolt 9. The driving assembly 11 is composed of a housing 14, a driving motor 15, a driving shaft 16, a cam 17, a sliding sleeve 18, a lifting shaft 19 and a universal ball 20. The housing 14 is fixedly connected to the top of the sliding support seat 10, the driving motor 15 is fixedly connected to one side of the housing 14, the cam 17 is connected to the driving motor 15 through the driving shaft 16, the sliding sleeve 18 is inserted and connected to the middle position of the top of the housing 14, the lifting shaft 19 is slidably connected to the inside of the sliding sleeve 18, the universal ball 20 is rotatably connected to the bottom end of the lifting shaft 19 and matches the cam 17, the connecting seat 12 is fixedly connected to the top of the lifting shaft 19, a strip slide 21 is provided inside the connecting seat 12, a limit slider 22 is slidably provided inside the strip slide 21, the pin shaft 7 is inserted into the limit slider 22, and a mounting hole 23 matching the pin shaft 7 is provided inside the limit slider 22;

[0025] During vibration detection, the driving motor 15 drives the driving shaft 16 to rotate, the driving shaft 16 drives the cam 17 to rotate, and the cam 17 drives the lifting shaft 19 to perform reciprocating lifting and lowering motion inside the sliding sleeve 18. The universal ball 20 can improve the mobility of the connection between the lifting shaft 19 and the cam 17, reduce the resistance, and the lifting shaft 19 drives the connecting seat 12 to move, and the connecting seat 12 drives the electric vehicle frame to perform vibration detection. By providing the bar slide 21 and the limit slider 22, the freedom of the pin shaft 7 can be improved, thereby improving the vibration freedom of the electric vehicle frame and improving the comprehensiveness of the detection;

[0026] Depend on Figure 1It is shown that the counterweight mechanism 8 is composed of a support rod 24, a plurality of counterweight plates 25 and a plurality of nut locking seats 26. The support rod 24 is connected to the electric vehicle frame through a plurality of clamps, and the counterweight plates 25 and the nut locking seats 26 are connected to both ends of the support rod 24.

[0027] The counterweight mechanism 8 can simulate the actual use of the electric vehicle frame to improve the accuracy of the detection. During the detection, the counterweight plate 25 can be controlled, and the counterweight plate 25 can be continuously added in the later stage to realize the compression resistance detection.

[0028] During operation, by providing hydraulic rod one and hydraulic rod two, the frame of the electric vehicle can be subjected to compression and tensile tests, and the overall strength of the frame of the electric vehicle can be intuitively judged; by providing a first vibration mechanism and a second vibration mechanism composed of a sliding support seat, a driving assembly and a connecting seat, the frame of the electric vehicle can be subjected to vibration testing, and durability and fatigue testing can be performed on the frame of the electric vehicle, thereby improving the comprehensiveness of the testing; by providing a connecting seat, a strip slide groove and a limit slider, the degree of freedom of the pin shaft can be increased, the degree of freedom of vibration testing can be increased, and thus the testing effect can be improved; by providing a counterweight mechanism composed of a support rod, a plurality of counterweight plates and a plurality of nut locking seats, the frame of the electric vehicle can be counterweighted to simulate actual usage conditions and improve the accuracy of the testing; at the same time, the number of counterweight plates can be adjusted, and by continuously increasing the counterweight, the compressive strength of the frame of the electric vehicle can be tested.

Claims

1. An electric vehicle frame strength detection device, comprising a support base (1), characterized in that: The top of the support base (1) is provided with a slide groove (2), and the two ends of the slide groove (2) are respectively provided with a first vibration mechanism (3) and a second vibration mechanism (4) in a sliding manner. The first vibration mechanism (3) is connected to the support base (1) via a hydraulic rod 1 (5), and the second vibration mechanism (4) is connected to the support base (1) via a hydraulic rod 2 (6). The electric vehicle frame is connected to the top of the first vibration mechanism (3) and the second vibration mechanism (4) via a pin shaft (7), and a plurality of counterweight mechanisms (8) are provided at the top of the electric vehicle frame.

2. The electric vehicle frame strength detection device according to claim 1, characterized in that: A plurality of locking bolts (9) matching the first vibration mechanism (3) and the second vibration mechanism (4) are interspersed and arranged on the side of the support base (1).

3. The electric vehicle frame strength detection device according to claim 2, characterized in that: The first vibration mechanism (3) and the second vibration mechanism (4) are both composed of a sliding support seat (10), a driving assembly (11) and a connecting seat (12); the sliding support seat (10) is slidably connected to the inside of the slide groove (2); the driving assembly (11) is fixedly connected to the top of the sliding support seat (10); the connecting seat (12) is fixedly connected to the top of the driving assembly (11); and a threaded hole (13) matching the locking bolt (9) is provided on the side of the sliding support seat (10).

4. The electric vehicle frame strength detection device according to claim 3, characterized in that: The driving assembly (11) is composed of a housing (14), a driving motor (15), a driving shaft (16), a cam (17), a sliding sleeve (18), a lifting shaft (19) and a universal ball (20); the housing (14) is fixedly connected to the top end of the sliding support seat (10); the driving motor (15) is fixedly connected to one side of the housing (14); the cam (17) is connected to the driving motor (15) via the driving shaft (16); the sliding sleeve (18) is inserted and connected to the middle position of the top end of the housing (14); the lifting shaft (19) is slidably connected to the inside of the sliding sleeve (18); and the universal ball (20) is rotatably connected to the bottom end of the lifting shaft (19) and matches the cam (17).

5. The electric vehicle frame strength detection device according to claim 4, characterized in that: The connecting seat (12) is fixedly connected to the top end of the lifting shaft (19), a strip-shaped slide groove (21) is provided inside the connecting seat (12), a limit slider (22) is slidably provided inside the strip-shaped slide groove (21), the pin shaft (7) is inserted into the limit slider (22), and a mounting hole (23) matching the pin shaft (7) is provided inside the limit slider (22).

6. The electric vehicle frame strength detection device according to claim 1, characterized in that: The counterweight mechanism (8) is composed of a support rod (24), a plurality of counterweight plates (25) and a plurality of nut locking seats (26); the support rod (24) is connected to the electric vehicle frame via a plurality of clamps; the counterweight plates (25) and the nut locking seats (26) are connected to both ends of the support rod (24).

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