A connecting device and method for a quarter suspension test bench of a vehicle

Abstract

The present invention discloses a connecting device and method for a vehicle quarter suspension test bench, including a frame (1), the frame (1) is composed of a plate A (2), a plate B (3) and their connecting plates (4), a first loose plate (5) is installed on the plate B (3), a second loose plate (6) is movably connected to the first loose plate (5), and a sensor (11) or a pillar is installed under the second loose plate (6). The present invention provides a connecting device and method for a vehicle quarter suspension test bench, which can decompose the required test angle into two mutually perpendicular directions for adjustment to adapt to different connection requirements, simulate the connection angle between the vehicle body and the suspension shock absorber or pillar, and connect the sensor or the suspension. It saves the manufacturing cost and time of the tooling, and reduces the test cost and cycle.

Description

Technical Field

[0001] The present invention relates to the technical field of motor vehicle detection auxiliary equipment, and particularly relates to a connecting device and method for a vehicle quarter suspension test bench. Background Art

[0002] The vehicle quarter suspension test bench conducts multi-degree-of-freedom tests on the vehicle suspension to detect the performance and durability of the suspension. During the test, it is necessary to simulate the connection angle between the vehicle body and the suspension shock absorber or strut. Existing vehicle quarter suspension test benches need to design connection toolings for each type of vehicle body to simulate the connection angle between the vehicle body and the suspension shock absorber or strut and connect sensors or the suspension. The test cost is high and the cycle is long. Summary of the Invention

[0003] The present invention provides a connecting device and method for a vehicle quarter suspension test bench, which solves the problem that existing vehicle quarter suspension test benches need to design connection toolings for each type of vehicle body to simulate the connection angle between the vehicle body and the suspension shock absorber or strut and connect sensors or the suspension, resulting in high test cost and long cycle.

[0004] To solve the above problems, the technical solution adopted by the present invention is:

[0005] A connecting device for a vehicle quarter suspension test bench includes a frame. The frame is composed of a plate A, a plate B and their connecting plates. A movable plate one is installed on the plate B. A movable plate two is movably connected to the movable plate one. A sensor or a strut is installed below the movable plate two.

[0006] Specifically, the connecting plates are two approximately triangular plates. The plate A is welded to the short right-angled side of the connecting plate. The plate B is welded to the end of the long right-angled side of the connecting plate. The plate A and the plate B are perpendicularly arranged.

[0007] Specifically, a bearing seat hole is provided at the center of the plate A. Four annular grooves are uniformly arranged on the plate A with the bearing seat hole as the center.

[0008] Specifically, the movable plate one is a semi-cylinder. Mounting holes are provided on the flat surface of the movable plate one. Corresponding mounting holes are provided on the plate B. The movable plate one is fixed to the inner side of the plate B by bolts passing through the mounting holes and cooperating with nuts.

[0009] Specifically, the upper part of the movable plate two is a bearing bush structure matching the semi-cylindrical surface of the movable plate one, and the lower part is a cylinder. Slot holes are provided in the upper part of the movable plate two, and connection holes are provided in the lower part of the movable plate two.

[0010] Specifically, the slot holes are arranged perpendicular to the axis of the upper bearing bush of the flexible connection plate II. One slot hole is provided at each of the left and right ends of the flexible connection plate II, and fastening threaded holes are symmetrically provided on the flexible connection plate II.

[0011] A connection method for a connection device of a vehicle quarter suspension test bench includes the following steps:

[0012] S1. Place a bearing in the bearing seat hole on the A plate of the frame, and axially fasten the bearing, the frame, and the vehicle quarter bench together with screw one.

[0013] S2. After the screw one is fastened, the frame can rotate around it. After rotating to the required angle, fix the frame and the vehicle quarter bench on the annular groove on the A plate with screw two.

[0014] S3. Install the sensor on the flexible connection plate II through the connection hole at the lower part of the flexible connection plate II, and connect the flexible connection plate I to the inner side of the B plate with fasteners such as bolts and screws.

[0015] S4. Pass screw three through the slot hole on the flexible connection plate II to connect it to the lower part of the flexible connection plate I. Before fastening screw three, rotate the flexible connection plate II around the axis of the flexible connection plate I to the required angle, fasten screw three, and finally screw the bolt into and press it against the flexible connection plate I through the fastening threaded hole.

[0016] Based on the above technical solutions, the following technical effects can be produced:

[0017] The present invention provides a connection device and method for a vehicle quarter suspension test bench, which can decompose the required test angle into two mutually perpendicular directions for adjustment to adapt to different connection requirements, simulate the connection angle between the vehicle body and the suspension shock absorber or strut, and connect sensors or the suspension. It saves the manufacturing cost and time of tooling, and reduces the test cost and cycle. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is the front view of a connection device of a vehicle quarter suspension test bench according to the present invention;

[0019] Figure 2 is the bottom view of the present invention;

[0020] Figure 3 is the top view of the present invention;

[0021] Figure 4 is the left view of the present invention;

[0022] Figure 5 is the three-dimensional structure diagram of the present invention;

[0023] Figure 6 is the connection state diagram of the present invention.

[0024] In the figure, 1 - frame, 2 - A plate, 3 - B plate, 4 - connecting plate, 5 - first movable plate, 6 - second movable plate, 7 - bearing, 8 - first screw, 9 - second screw, 10 - fastening threaded hole, 11 - sensor, 12 - third screw. Specific embodiments

[0025] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0026] In the description of the present invention, it should be understood that for the orientation description, such as the orientation or positional relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0027] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installation, and connection should be understood in a broad sense. Those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific content of the technical solution.

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the scope of protection of the present invention.

[0029] As Figures 1-6 shown, a connecting device for a vehicle quarter suspension test bench includes a frame 1. The frame 1 is composed of an A plate 2, a B plate 3 and their connecting plate 4. A first movable plate 5 is installed on the B plate 3. A second movable plate 6 is movably connected to the first movable plate 5. A sensor 11 or a pillar is installed under the second movable plate 6.

[0030] The connecting plate 4 is two approximately triangular plates. The A plate 2 is welded to the short right-angled side of the connecting plate 4. The B plate 3 is welded to the end of the long right-angled side of the connecting plate 4. The A plate 2 and the B plate 3 are vertically arranged.

[0031] A bearing seat hole is provided at the center of the A plate 2. Four annular grooves are uniformly arranged on the A plate 2 with the bearing seat hole as the center.

[0032] The first loose joint plate 5 is a semi-cylinder. An installation hole is provided on the plane of the first loose joint plate 5, and a corresponding installation hole is provided on the B plate 3. The first loose joint plate 5 is fixed to the inner side of the B plate 3 through a bolt passing through the installation hole and cooperating with a nut.

[0033] The upper part of the second loose joint plate 6 is a bearing bush structure matching the semi-cylindrical surface of the first loose joint plate 3, and the lower part is a cylinder. A slot hole is provided in the upper part of the second loose joint plate 6, and a connection hole is provided in the lower part of the second loose joint plate 6.

[0034] The slot hole is arranged perpendicular to the axis of the bearing bush in the upper part of the second loose joint plate 6. A slot hole is provided at each of the left and right ends of the second loose joint plate 6, and fastening threaded holes 10 are symmetrically provided on the second loose joint plate 6.

[0035] A connection method for a connection device of a vehicle quarter suspension test bench includes the following steps:

[0036] S1. Place a bearing 7 in the bearing seat hole on the A plate 2 of the frame 1, and axially fasten the bearing 7, the frame 1, and the vehicle quarter bench together through a first screw 8.

[0037] S2. After the first screw 8 is fastened, the frame 1 can rotate around it. After rotating to the required angle, fix the frame 1 and the vehicle quarter bench on the annular groove on the A plate 2 through a second screw 9.

[0038] S3. Install the sensor 11 on the second loose joint plate 6 through the connection hole in the lower part of the second loose joint plate 6, and connect the first loose joint plate 5 to the inner side of the B plate 3 through fasteners such as bolts and screws.

[0039] S4. Pass a third screw 12 through the slot hole in the second loose joint plate 6 to connect it to the lower part of the first loose joint plate 5. Before fastening the third screw 12, rotate the second loose joint plate 6 around the axis of the first loose joint plate 5 to adjust to the required angle, fasten the third screw 12, and finally screw a bolt into and press against the first loose joint plate 5 through the fastening threaded hole 10.

[0040] The operation process of a connection device of a vehicle quarter suspension test bench according to the present invention is as follows:

[0041] Place the bearing 7 in the bearing seat hole on the A plate 2 of the frame 1, and axially fasten the bearing 7, the frame 1, and the quarter vehicle test bench together with the first screw 8; after the first screw 8 is fastened, the frame 1 can rotate around it. After rotating to the required angle, fix the frame 1 and the quarter vehicle test bench on the annular groove on the A plate 2 with the second screw 9; install the sensor 11 on the flexible plate 2 through the connection hole at the lower part of the flexible plate 2. The flexible plate 1 5 is connected to the inner side of the B plate 3 through fasteners such as bolts and screws; the third screw 12 passes through the slot hole on the flexible plate 2 and connects it to the lower part of the flexible plate 1 5. Before fastening the third screw 12, rotate the flexible plate 2 around the axis of the flexible plate 1 5 to the required angle, and fasten the third screw 12. Finally, screw the bolt into the threaded hole 10 and press it against the flexible plate 1 5 to improve the stability and reliability of the connection between the flexible plate 2 and the flexible plate 1.

[0042] Through the above steps, the connection angle between the vehicle body and the suspension shock absorber or strut is successfully simulated and the sensor or suspension is connected, avoiding the need to design connection tooling for each vehicle body in the quarter vehicle suspension test bench, reducing the test cost and shortening the test cycle.

[0043] The present invention has been described in detail above in conjunction with the accompanying drawings and embodiments. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the gist of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application belong to the scope protected by the present invention.

Claims

1. A connecting device for a quarter suspension test bench of a vehicle, characterized in that, It includes a frame (1), and the frame (1) is composed of a plate A (2), a plate B (3) and their connecting plates (4). A movable connecting plate one (5) is installed on the plate B (3). A movable connecting plate two (6) is movably connected to the movable connecting plate one (5). A support column is installed under the movable connecting plate two (6). The movable connecting plate two (6) can be rotated around the axis of the movable connecting plate one (5) to adjust to the required angle. A bearing seat hole is provided at the center of the plate A (2), and 4 annular grooves are evenly arranged on the plate A (2) with the bearing seat hole as the center of the circle. The movable connecting plate one (5) is a semi-cylindrical body. Mounting holes are provided on the plane of the movable connecting plate one (5). Corresponding mounting holes are provided on the plate B (3). The movable connecting plate one (5) is fixed to the inner side of the plate B (3) by bolts passing through the mounting holes and cooperating with nuts. The connecting plates (4) are two approximately triangular plates. The plate A (2) is welded to the short right-angled side of the connecting plate (4). The plate B (3) is welded to the end of the long right-angled side of the connecting plate (4). The plate A (2) and the plate B (3) are perpendicularly arranged. The device can decompose the required test angle into two mutually perpendicular directions for adjustment.

2. The connecting device for a quarter vehicle suspension test bench according to claim 1, characterized in that, The upper part of the movable connecting plate two (6) is a bearing bush structure matching the semi-cylindrical surface of the movable connecting plate one (5), and the lower part is a cylinder. Slot holes are provided in the upper part of the movable connecting plate two (6), and connecting holes are provided in the lower part of the movable connecting plate two (6).

3. The connecting device for a quarter suspension test bench of a vehicle according to claim 2, characterized in that, The slot holes are arranged perpendicular to the axis of the bearing bush in the upper part of the movable connecting plate two (6). One slot hole is provided at each of the left and right ends of the movable connecting plate two (6). Tightening threaded holes (10) are also symmetrically provided on the movable connecting plate two (6).

4. A connection method for a connection device of a vehicle quarter suspension test bench, for connecting the connection device of a vehicle quarter suspension test bench according to any one of claims 1-3, characterized in that, It includes the following steps: S1. Place a bearing (7) in the bearing seat hole on the plate A (2) of the frame (1), and axially fasten the bearing (7), the frame (1), and the quarter vehicle test rig together by a screw one (8). S2. After the screw one (8) is tightened, the frame (1) can rotate around it. After rotating to the required angle, fix the frame (1) and the quarter vehicle test rig on the annular groove on the plate A (2) by a screw two (9). S3. Install the support column on the movable connecting plate two (6) through the connecting hole in the lower part of the movable connecting plate two (6), and connect the movable connecting plate one (5) to the inner side of the plate B (3) through fasteners. S4. Pass a screw three (12) through the slot hole on the movable connecting plate two (6) to connect it to the lower part of the movable connecting plate one (5). Before tightening the screw three (12), rotate the movable connecting plate two (6) around the axis of the movable connecting plate one (5) to adjust to the required angle, tighten the screw three (12), and finally screw a bolt into the tightening threaded hole (10) and press it against the movable connecting plate one (5).

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