New energy automobile shock absorber testing device

Abstract

The utility model discloses a new energy automobile shock absorber testing device, which comprises a base and a driving unit, a vertical seat and a limiting rod which are arranged on the base, a top seat and a sliding seat which are distributed up and down are respectively arranged on the limiting rod, and the top seat is fixed with the limiting rod through a locking structure. Mounting structures for fixing the shock absorber are arranged on the opposite sides of the top seat and the sliding seat, and a power assembly for driving the sliding seat to reciprocate up and down is arranged at the output end of the driving unit. The position of the top seat is adjusted according to the length of the shock absorber, the shock absorber is fixed through the locking structure, the shock absorber is fixed to the pin seat through the lock pin, the driving unit is powered on to drive the cam through the transmission shaft, the cam drives the sliding seat to move up and down by exerting acting force on the rotating wheel, the shock absorber is repeatedly compressed, and the fatigue strength of the shock absorber is measured. Moreover, the device can test multiple groups of shock absorbers at the same time, the cams of different groups deflect by a certain angle, and the load of a driving unit can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of shock absorbers, and in particular to a shock absorber testing device for new energy vehicles. Background Art

[0002] Shock absorbers are used to dampen the rebound oscillations caused by springs absorbing shock and to mitigate impacts from the road. They are widely used in automobiles to accelerate the attenuation of frame and body vibrations, thereby improving ride smoothness. While shock-absorbing springs can filter out road vibrations when driving over uneven roads, the springs themselves experience reciprocating motion, which shock absorbers are designed to dampen. During the shock absorber manufacturing process, fatigue strength testing is required before each unit leaves the factory. Existing equipment can only test individual shock absorbers, which presents certain limitations. Utility Model Content

[0003] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a new energy vehicle shock absorber testing device.

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

[0005] A new energy vehicle shock absorber testing device includes a base and a drive unit, a stand and a limit rod located thereon. The limit rod is respectively provided with a top seat and a slide seat distributed up and down. The top seat is fixed to the limit rod by a locking structure. The top seat and the slide seat are fixed on opposite sides thereof with mounting structures for fixing the shock absorber. The output end of the drive unit is provided with a power component for driving the slide seat to move back and forth up and down.

[0006] Preferably, the power assembly includes a transmission shaft connected to the output end of the drive unit, the transmission shaft is installed above the base through a bearing seat, the transmission shaft is connected to a cam through a key connection mechanism, and a rolling mechanism is provided at the bottom of the slide to reduce friction between the cam and the slide.

[0007] Preferably, the rolling mechanism includes a fixed seat installed at the bottom of the slide seat, and the side wall of the fixed seat is rotatably connected to a rotating wheel.

[0008] Preferably, the mounting structure includes a pin seat mounted on the top seat and the sliding seat, and a locking pin for fixing the shock absorber is inserted into the pin seat.

[0009] Preferably, the locking structure includes a nut threadedly connected to the limiting rod, and the nuts are respectively located on the upper and lower sides of the top seat.

[0010] Preferably, a linear bearing is provided at the connection between the slide and the limiting rod.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention adjusts the position of the top seat according to the length of the shock absorber and fixes it with a locking structure, and fixes the shock absorber on the pin seat with a locking pin. The drive unit is energized to drive the cam through the transmission shaft, and the cam drives the slide up and down by applying force to the rotating wheel, repeatedly compressing the shock absorber to measure its fatigue strength. Moreover, the device can test multiple groups of shock absorbers at the same time, and the cams between different groups are deflected by a certain angle, which can reduce the load on the drive unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more specifically and intuitively illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art.

[0013] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0014] Figure 2 The structure of the utility model is shown in FIG. Figure 2 ;

[0015] Figure 3 The structure of the utility model is shown in FIG. Figure 3 .

[0016] In the figure: base 1, drive unit 2, stand 3, limit rod 4, slide 5, top seat 6, bearing seat 7, transmission shaft 8, pin seat 9, lock pin 10, cam 11, linear bearing 12, rotating wheel 13, fixed seat 14. DETAILED DESCRIPTION

[0017] 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 the embodiments.

[0018] Reference Figure 1-3 A new energy vehicle shock absorber testing device includes a base 1 and a driving unit 2, a stand 3 and a limit rod 4 located thereon. The limit rod 4 is respectively provided with a top seat 6 and a slide 5 distributed up and down. The top seat 6 is fixed to the limit rod 4 by a locking structure. The opposite side of the top seat 6 and the slide 5 is provided with a mounting structure for fixing the shock absorber. The output end of the driving unit 2 is provided with a power component that drives the slide 5 to move back and forth up and down.

[0019] According to the length of the shock absorber, the position of the top seat 6 is adjusted and fixed with a locking structure. The shock absorber is fixed to the pin seat 9 with a locking pin 10. The drive unit 2 is energized to drive the cam 11 through the transmission shaft 8. The cam 11 applies a force to the rotating wheel 13 to drive the slide 5 up and down. The shock absorber is repeatedly compressed to measure its fatigue strength. In addition, the device can test multiple groups of shock absorbers at the same time. The cams 11 between different groups are deflected by a certain angle to reduce the load on the drive unit 2.

[0020] In this embodiment, the power assembly includes a transmission shaft 8 connected to the output end of the drive unit 2. The transmission shaft 8 is installed above the base 1 through a bearing seat 7. The transmission shaft 8 is connected to the cam 11 through a key connection mechanism. A rolling mechanism is provided at the bottom of the slide 5 to reduce the friction between the cam 11 and the slide 5.

[0021] In this embodiment, the rolling mechanism includes a fixed seat 14 installed at the bottom of the slide 5 , and a side wall of the fixed seat 14 is rotatably connected to a rotating wheel 13 to reduce friction between the cam 11 and the slide 5 .

[0022] In this embodiment, the mounting structure includes a pin seat 9 mounted on the top seat 6 and the slide seat 5 , and a locking pin 10 for fixing the shock absorber is inserted into the pin seat 9 .

[0023] In this embodiment, the locking structure includes a nut threadedly connected to the limiting rod 4 , and the nuts are respectively located on the upper and lower sides of the top seat 6 .

[0024] In this embodiment, a linear bearing 12 is provided at the connection between the slide 5 and the limiting rod 4 to reduce the friction between the top seat 6 and the limiting rod 4 .

[0025] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A new energy vehicle shock absorber testing device, comprising a base (1) and a drive unit (2), a stand (3) and a limit rod (4) located thereon, characterized in that: The limiting rod (4) is provided with a top seat (6) and a slide seat (5) distributed up and down, respectively. The top seat (6) is fixed to the limiting rod (4) through a locking structure. A mounting structure for fixing a shock absorber is provided on opposite sides of the top seat (6) and the slide seat (5). The output end of the driving unit (2) is provided with a power component for driving the slide seat (5) to move back and forth up and down.

2. A new energy vehicle shock absorber testing device according to claim 1, characterized in that: The power assembly includes a transmission shaft (8) connected to the output end of the drive unit (2), the transmission shaft (8) is installed above the base (1) through a bearing seat (7), the transmission shaft (8) is connected to a cam (11) through a key connection mechanism, and a rolling mechanism is provided at the bottom of the slide (5) to reduce friction between the cam (11) and the slide (5).

3. A new energy vehicle shock absorber testing device according to claim 2, characterized in that: The rolling mechanism comprises a fixed seat (14) mounted on the bottom of the slide seat (5), and a side wall of the fixed seat (14) is rotatably connected to a rotating wheel (13).

4. A new energy vehicle shock absorber testing device according to claim 3, characterized in that: The mounting structure comprises a pin seat (9) mounted on the top seat (6) and the slide seat (5), and a locking pin (10) for fixing the shock absorber is plugged into the pin seat (9).

5. A new energy vehicle shock absorber testing device according to claim 4, characterized in that: The locking structure comprises a nut threadedly connected to the limiting rod (4), and the nuts are respectively located on the upper and lower sides of the top seat (6).

6. A new energy vehicle shock absorber testing device according to claim 5, characterized in that: A linear bearing (12) is provided at the connection between the slide seat (5) and the limiting rod (4).

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