Passenger car rain test bench

Abstract

The utility model discloses a passenger car rain test bench comprising a pedestal, the upper end of the pedestal is provided with a transversely arranged moving groove, the inner bottom of the moving groove is slidably connected with a moving block, and a transversely arranged limiting rod is slidably inserted in the moving block. The two ends of the limiting rod penetrate through the moving block and are fixedly connected with the inner side wall of the moving groove, a driving wheel and a driven wheel are arranged on the left side and the right side in the moving groove correspondingly, and the front ends and the rear ends of the driving wheel and the driven wheel are rotationally connected with the inner side wall of the moving groove correspondingly. A transmission chain corresponding to the driving wheel and the driven wheel is arranged in the groove, and the two ends of the transmission chain penetrate through the groove and are arranged on the driving wheel and the driven wheel in a sleeving mode respectively. According to the utility model, through the arrangement of the supporting block, the moving block and other mechanisms, the passenger car can be conveniently sent into the rain room for a rain test, and the device can be suitable for different car types, and has good convenience and practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of test benches, in particular to a passenger car rain test bench. Background Technique

[0002] A passenger car rain test bench is a device specifically designed to support and place the car body or the whole vehicle to be tested in an automobile enterprise, so as to send the vehicle to be tested into a rain chamber, and simulate the natural rainfall environment through the rain chamber to test the rain-proof sealing performance of the automobile and ensure the performance of the automobile under various rainfall conditions.

[0003] Currently, during the rain test of a passenger car, the test bench often cannot be quickly adjusted according to the wheelbase of the vehicle to be tested, resulting in reduced practicability and convenience of the bench. Content of the Utility Model

[0004] The purpose of the utility model is to solve the problems raised in the above background technique, and to propose a passenger car rain test bench.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A rain test bench for a passenger car, comprising a base. A horizontally arranged moving groove is provided at the upper end of the base. A moving block is slidably connected to the inner bottom of the moving groove. A horizontally arranged limiting rod is slidably inserted into the moving block. The two ends of the limiting rod respectively penetrate through the moving block and are fixedly connected to the inner side wall of the moving groove. An active wheel and a driven wheel are respectively arranged on the left and right sides inside the moving groove. The front and rear ends of the active wheel and the driven wheel are respectively rotatably connected to the inner side wall of the moving groove. A groove is provided at the lower end of the moving block. A transmission chain corresponding to the active wheel and the driven wheel is arranged in the groove. Both ends of the transmission chain penetrate through the groove and are respectively sleeved on the active wheel and the driven wheel. A servo motor is fixedly connected to the outer side wall of the base. The end of the output shaft of the servo motor penetrates through the base and is fixedly connected to the active wheel. The output shaft of the servo motor is rotatably connected to the base. A support plate is slidably connected to the upper end of the base. The upper end of the moving block penetrates through the sliding groove and is fixedly connected to the lower end of the support plate. A horizontally arranged adjusting groove is provided at the upper end of the support plate. Two adjusting blocks are slidably connected to the inner bottom of the adjusting groove. A horizontally arranged first bidirectional screw rod is arranged in the adjusting groove. One end of the first bidirectional screw rod is rotatably connected to the inner side wall of the adjusting groove. The other end of the first bidirectional screw rod sequentially penetrates through the two adjusting blocks and the support plate and is fixedly connected to a first knob. The first bidirectional screw rod is rotatably connected to the support plate. The first bidirectional screw rod is threadedly connected to the adjusting block. A vertically arranged sliding groove is provided at the upper end of the adjusting block. Two sliding blocks are slidably connected to the inner bottom of the sliding groove. The upper ends of the sliding blocks penetrate through the sliding groove and are provided with grooves. A vertically arranged second bidirectional screw rod is slidably connected to the inner side wall of the sliding groove. One end of the second bidirectional screw rod is rotatably connected to the inner side wall of the sliding groove. The other end of the second bidirectional screw rod sequentially penetrates through the two sliding blocks and the adjusting block and is fixedly connected to a second knob. The second bidirectional screw rod is rotatably connected to the adjusting block. The second bidirectional screw rod is threadedly connected to the sliding block.

[0007] Preferably, a first corrugated sleeve is sleeved on the first bidirectional screw rod. The first corrugated sleeve is composed of a first part and two second parts. The first part of the first corrugated sleeve is located between the two adjusting blocks. The second parts of the first corrugated sleeve are respectively located on the opposite sides of the two adjusting blocks. The two ends of the first part of the first corrugated sleeve are respectively fixedly connected to the two adjusting blocks. The two ends of the second parts of the first corrugated sleeve are respectively fixedly connected to the inner side wall of the adjusting groove and the outer side wall of the adjusting block.

[0008] Preferably, a second corrugated sleeve is sleeved on the second bidirectional screw. The second corrugated sleeve is composed of a first part and two second parts. The first part of the second corrugated sleeve is located between two support blocks. The second parts of the second corrugated sleeve are respectively located on the opposite sides of the two support blocks. Both ends of the first part of the second corrugated sleeve are fixedly connected to the two support blocks respectively. Both ends of the second part of the second corrugated sleeve are fixedly connected to the inner side wall of the adjustment groove and the outer side wall of the support block respectively.

[0009] Preferably, an arc-shaped groove is provided at the lower end of the moving block. A ball is rotatably connected to the inner side wall of the arc-shaped groove, and a part of the ball penetrates through the arc-shaped groove.

[0010] Preferably, the number of the limiting rods is multiple.

[0011] Preferably, drain holes communicating with the outside are provided at the inner bottom of the moving groove, the inner bottom of the adjustment groove and the inner bottom of the sliding groove.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] In the utility model, through the arrangement of the support blocks, grooves, transmission chains, driven wheels, driving wheels, servo motors, moving blocks and support plates, the support and conveying operations for passenger cars are realized, which is convenient for workers to send the passenger cars into and out of the rain chamber, and the convenience and practicability are improved;

[0014] In the utility model, through the arrangement of the first bidirectional screw, adjustment blocks, second bidirectional screw and sliders, the distance between the support blocks can be adjusted according to the vehicle model, so as to adapt to the test use of passenger cars with different wheelbases;

[0015] In the utility model, through the arrangement of the first corrugated sleeve and the second corrugated sleeve, the first bidirectional screw and the second bidirectional screw can be waterproofed, and the service life of the first bidirectional screw and the second bidirectional screw can be prolonged; in the utility model, through the arrangement of mechanisms such as support blocks and moving blocks, it is not only convenient to send the passenger car into the rain chamber for rain test, but also can adapt to different vehicle models, and has good convenience and practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of a rain test bench for passenger cars proposed by the utility model;

[0017] Figure 2 is an internal structural diagram of a rain test bench for passenger cars proposed by the utility model;

[0018] Figure 3 is a partial top view structural diagram of an adjustment block of a rain test bench for passenger cars proposed by the utility model;

[0019] Figure 4 Partial side view structural schematic diagram of a moving block of a passenger car rain test bench proposed by the present utility model.

[0020] In the figure: 1 - base, 2 - moving block, 3 - support plate, 4 - first bidirectional screw, 5 - driving wheel, 6 - transmission chain, 7 - limiting rod, 8 - adjusting block, 9 - sliding block, 10 - support block, 11 - second bidirectional screw, 12 - first corrugated sleeve, 13 - servo motor, 14 - second corrugated sleeve. Specific implementation manner

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0022] Refer to Figures 1-4 , a passenger car rain test bench, including a base 1. The left - right length dimension of the base 1 is 2.5 times that of the support plate 3. A horizontally - arranged moving groove is provided at the upper end of the base 1. Drainage holes communicating with the outside are provided at the inner bottom of the moving groove, the inner bottom of the adjusting groove, and the inner bottom of the sliding groove for facilitating the discharge of water in the rain test. A moving block 2 is slidably connected to the inner bottom of the moving groove for driving the support plate 3 to move. An arc - shaped groove is provided at the lower end of the moving block 2. A ball is rotatably connected to the inner side wall of the arc - shaped groove for reducing the resistance when the moving block 2 moves. A part of the ball penetrates through the arc - shaped groove. A horizontally - arranged limiting rod 7 is slidably inserted into the moving block 2 for restricting the moving block 2 within the moving groove and preventing the moving block 2 from disengaging from the moving groove. The number of the limiting rods 7 is multiple for further preventing the moving block 2 from disengaging from the moving groove. Both ends of the limiting rod 7 penetrate through the moving block 2 and are fixedly connected to the inner side wall of the moving groove;

[0023] In this embodiment, a driving wheel 5 and a driven wheel are respectively provided on the left and right sides inside the moving groove for driving the transmission chain 6 to move. The front and rear ends of the driving wheel 5 and the driven wheel are respectively rotatably connected to the inner side wall of the moving groove. A groove is provided at the lower end of the moving block 2. A transmission chain 6 corresponding to the driving wheel 5 and the driven wheel is provided in the groove for driving the moving block 2 to move. The upper side wall of the transmission chain 6 is fixedly connected to the inner top of the groove. Both ends of the transmission chain 6 penetrate through the groove and are respectively sleeved on the driving wheel 5 and the driven wheel. A servo motor 13 is fixedly connected to the outer side wall of the base 1 for driving the driving wheel 5 to rotate. The end of the output shaft of the servo motor 13 penetrates through the base 1 and is fixedly connected to the driving wheel 5. The output shaft of the servo motor 13 is rotatably connected to the base 1. A transparent plastic waterproof cover (not shown in the figure) is sleeved on the servo motor 13 for waterproofing the servo motor 13. One end of the transparent plastic waterproof cover is fixedly connected to the outer side wall of the base 1;

[0024] In this embodiment, a support plate 3 is slidably connected to the upper end of the base 1 for conveying the vehicle to be tested. The upper end of the moving block 2 penetrates through the sliding groove and is fixedly connected to the lower end of the support plate 3. The upper end of the support plate 3 is provided with a horizontally arranged adjustment groove. Two adjustment blocks 8 are slidably connected to the inner bottom of the adjustment groove for adjusting the left and right positions of the support block 10. A first bidirectional screw 4 is horizontally arranged in the adjustment groove for driving the adjustment block 8 to move. One end of the first bidirectional screw 4 is rotatably connected to the inner side wall of the adjustment groove. The other end of the first bidirectional screw 4 sequentially penetrates through the two adjustment blocks 8 and the support plate 3 and is fixedly connected with a first knob for facilitating the user to rotate the first bidirectional screw 4. The first bidirectional screw 4 is rotatably connected to the support plate 3, and the first bidirectional screw 4 is threadedly connected to the adjustment block 8;

[0025] In this embodiment, a first corrugated sleeve 12 is sleeved on the first bidirectional screw 4 for waterproofing the first bidirectional screw 4. The first corrugated sleeve 12 is made of rubber material. The first corrugated sleeve 12 is composed of a first part and two second parts. The first part of the first corrugated sleeve 12 is located between the two adjustment blocks 8. The second parts of the first corrugated sleeve 12 are respectively located on the opposite sides of the two adjustment blocks 8. The two ends of the first part of the first corrugated sleeve 12 are respectively fixedly connected to the two adjustment blocks 8. The two ends of the second part of the first corrugated sleeve 12 are respectively fixedly connected to the inner side wall of the adjustment groove and the outer side wall of the adjustment block 8;

[0026] In this embodiment, a vertically arranged sliding groove is provided at the upper end of the adjustment block 8. Two sliding blocks 9 are slidably connected to the inner bottom of the sliding groove for adjusting the front and back positions of the support block 10. The upper end of the sliding block 9 penetrates through the sliding groove and is provided with a groove for placing the vehicle to be tested. A second bidirectional screw 11 is slidably connected to the inner side wall of the sliding groove for driving the sliding block 9 to move. One end of the second bidirectional screw 11 is rotatably connected to the inner side wall of the sliding groove. The other end of the second bidirectional screw 11 sequentially penetrates through the two sliding blocks 9 and the adjustment block 8 and is fixedly connected with a second knob. The second bidirectional screw 11 is rotatably connected to the adjustment block 8, and the second bidirectional screw 11 is threadedly connected to the sliding block 9;

[0027] In this embodiment, a second corrugated sleeve 14 is sleeved on the second bidirectional screw 11 for waterproofing the second bidirectional screw 11. The second corrugated sleeve 14 is composed of a first part and two second parts. The first part of the second corrugated sleeve 14 is located between the two support blocks 10. The second parts of the second corrugated sleeve 14 are respectively located on the opposite sides of the two support blocks 10. The two ends of the first part of the second corrugated sleeve 14 are respectively fixedly connected to the two support blocks 10. The two ends of the second part of the second corrugated sleeve 14 are respectively fixedly connected to the inner side wall of the adjustment groove and the outer side wall of the support block 10.

[0028] In this embodiment, first, half of the base 1 is arranged outside the rain chamber, and the other half is arranged inside the rain chamber. The vehicle to be tested is hoisted above the support plate 3 by the hoisting mechanism in the workshop, and the wheels of the vehicle to be tested are placed through the four support blocks 10 and the grooves, so as to support the vehicle. At this time, the servo motor 13 is started to drive the driving wheel 5 to rotate. The driving wheel 5 cooperates with the driven wheel to drive the transmission chain 6 to rotate and move. The transmission chain 6 drives the moving block 2 to move left and right (left or right is controlled by the forward and reverse rotation of the servo motor 13). The moving block 2 drives the support plate and the vehicle to be tested into the rain chamber, so as to facilitate the workers to carry out the rain test operation on the vehicle; the workers can adjust the distance between the support blocks 10 according to the vehicle model. Manually rotate the first knob and the second knob to drive the first bidirectional screw 4 and the second bidirectional screw 11 to rotate respectively. The first bidirectional screw 4 and the second bidirectional screw 11 drive the two adjusting blocks 8 and the two sliders 9 to move respectively through the action of thread engagement, so as to realize the adjustment of the left and right positions and the front and back positions of the support blocks 10, and meet the use of different models of vehicles to be tested.

[0029] As mentioned above, the servo motor is a mature existing technology, and its working principle and internal structure are known to those skilled in the art. This application only utilizes its function and does not improve its internal structure. Therefore, it will not be described in detail.

[0030] As mentioned above, the above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent replacements or changes, and should be covered by the protection scope of the present invention.

Claims

1. A passenger car rain test bench, comprising a base (1), characterized in that: The upper end of the base (1) is provided with a horizontally arranged moving groove, the inner bottom of the moving groove is slidably connected with a moving block (2), a horizontally arranged limiting rod (7) is slidably inserted into the moving block (2), both ends of the limiting rod (7) respectively penetrate through the moving block (2) and are fixedly connected with the inner side wall of the moving groove, the left and right sides inside the moving groove are respectively provided with a driving wheel (5) and a driven wheel, the front and rear ends of the driving wheel (5) and the driven wheel are respectively rotatably connected with the inner side wall of the moving groove, the lower end of the moving block (2) is provided with a groove, a transmission chain (6) corresponding to the driving wheel (5) and the driven wheel is arranged in the groove, both ends of the transmission chain (6) penetrate through the groove and are respectively sleeved on the driving wheel (5) and the driven wheel, a servo motor (13) is fixedly connected to the outer side wall of the base (1), the end of the output shaft of the servo motor (13) penetrates through the base (1) and is fixedly connected with the driving wheel (5), the output shaft of the servo motor (13) is rotatably connected with the base (1), a support plate (3) is slidably connected to the upper end of the base (1), the upper end of the moving block (2) penetrates through the sliding groove and is fixedly connected with the lower end of the support plate (3), the upper end of the support plate (3) is provided with a horizontally arranged adjusting groove, the inner bottom of the adjusting groove is slidably connected with two adjusting blocks (8), a horizontally arranged first bidirectional screw rod (4) is arranged in the adjusting groove, one end of the first bidirectional screw rod (4) is rotatably connected with the inner side wall of the adjusting groove, the other end of the first bidirectional screw rod (4) sequentially penetrates through the two adjusting blocks (8) and the support plate (3) and is fixedly connected with a first knob, the first bidirectional screw rod (4) is rotatably connected with the support plate (3), the first bidirectional screw rod (4) is in threaded connection with the adjusting block (8), the upper end of the adjusting block (8) is provided with a vertically arranged sliding groove, the inner bottom of the sliding groove is slidably connected with two sliding blocks (9), the upper ends of the sliding blocks (9) penetrate through the sliding groove and are provided with grooves, a vertically arranged second bidirectional screw rod (11) is slidably connected to the inner side wall of the sliding groove, one end of the second bidirectional screw rod (11) is rotatably connected with the inner side wall of the sliding groove, the other end of the second bidirectional screw rod (11) sequentially penetrates through the two sliding blocks (9) and the adjusting block (8) and is fixedly connected with a second knob, the second bidirectional screw rod (11) is rotatably connected with the adjusting block (8), the second bidirectional screw rod (11) is in threaded connection with the sliding block (9).

2. The rain test bench for a passenger car according to claim 1, wherein: A first corrugated sleeve (12) is sleeved on the first bidirectional screw rod (4), the first corrugated sleeve (12) is composed of a first part and two second parts, the first part of the first corrugated sleeve (12) is located between the two adjusting blocks (8), the second parts of the first corrugated sleeve (12) are respectively located on the opposite sides of the two adjusting blocks (8), both ends of the first part of the first corrugated sleeve (12) are fixedly connected with the two adjusting blocks (8), and both ends of the second parts of the first corrugated sleeve (12) are fixedly connected with the inner side wall of the adjusting groove and the outer side wall of the adjusting block (8).

3. The rain test bench for a passenger car according to claim 1, characterized in that: A second corrugated sleeve (14) is sleeved on the second double-screw rod (11). The second corrugated sleeve (14) consists of a first part and two second parts. The first part of the second corrugated sleeve (14) is located between two support blocks (10). The second parts of the second corrugated sleeve (14) are respectively located on the opposite sides of the two support blocks (10). Both ends of the first part of the second corrugated sleeve (14) are fixedly connected to the two support blocks (10) respectively. Both ends of the second part of the second corrugated sleeve (14) are fixedly connected to the inner side wall of the adjustment groove and the outer side wall of the support block (10) respectively.

4. A passenger car rain test bench according to claim 1, characterized in that: An arc-shaped groove is provided at the lower end of the moving block (2). A ball is rollingly connected to the inner side wall of the arc-shaped groove, and a part of the ball penetrates through the arc-shaped groove.

5. A passenger car rain test bench according to claim 1, characterized in that: The number of the limiting rods (7) is multiple.

6. The rain test bench for a passenger car according to claim 1, characterized in that: Drainage holes communicating with the outside are provided at the inner bottom of the moving groove, the inner bottom of the adjustment groove, and the inner bottom of the sliding groove.

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