CN216717823U

CN216717823U - Inclination angle adjustable door upper and lower slope simulation rack

Info

Publication number: CN216717823U
Application number: CN202123154459.1U
Authority: CN
Inventors: 陈聪; 相光海; 王国春; 陈习习; 马天战; 申鑫
Original assignee: Hunan University Aisheng Auto Technology Development Co ltd
Current assignee: Hunan University Aisheng Auto Technology Development Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-06-10
Anticipated expiration: 2031-12-15

Abstract

The utility model relates to a vehicle door up-down gradient simulation rack with an adjustable inclination angle, which comprises a rack installation base, a rack supporting seat and a rack main body, wherein the rack installation base is arranged on the rack installation base; the two rack supporting seats are symmetrically arranged on the rack mounting base; the rack main body comprises an upper frame, a lower frame and a middle rotating disc; the vehicle door is arranged on the upper frame through a vehicle door side wall; the upper frame is connected with the lower frame through the middle rotating disc, and the upper frame can rotate relative to the lower frame through the middle rotating disc; one side of the lower frame is mounted on one rack supporting seat through a circular flange double-bearing seat, and the other side of the lower frame is mounted on the other rack supporting seat through a speed reduction motor; the speed reduction motor drives the lower frame to rotate so as to drive the rack main body to rotate. The utility model can realize simulation tests of door opening and closing force, door opening and closing speed and smoothness under different slopes of different vehicle door inclination angles.

Description

Inclination angle adjustable door upper and lower slope simulation rack

Technical Field

The utility model relates to the technical field of vehicle bodies, in particular to a vehicle door up-down gradient simulation rack with an adjustable inclination angle.

Background

The key performance experience of door opening and closing intelligent electrification, sound quality, door opening and closing force, smoothness and the like of the vehicle door system is an important index for a customer to judge the quality of a vehicle type. At present, automobile manufacturers in China can only test and evaluate a complex automobile door system after the automobile door is manufactured, and the optimization of the door opening and closing force can only obtain some empirical values through continuous experiments. However, the vehicle door test benches used in many host factories can only perform vehicle door opening and closing tests when the vehicle body posture is in a horizontal state, and cannot test the opening and closing force and the smoothness of the vehicle door of the vehicle body under different slopes.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the vehicle door up-and-down gradient simulation rack with the adjustable inclination angle, which is an adjustable rack for simulating the vehicle door up-and-down gradient. Meanwhile, experimental verification can be carried out on the theory in the early stage of automobile design and development so as to reduce the manufacturing cost of the body-in-white, provide a research method for research and development of similar products and provide a research and development reference standard.

In order to achieve the purpose, the utility model provides the following technical scheme:

a vehicle door up-down gradient simulation rack with an adjustable inclination angle is characterized in that the simulation rack comprises a rack installation base, a rack supporting seat and a rack main body; the two rack supporting seats are symmetrically arranged on the rack mounting base; the rack main body comprises an upper frame, a lower frame and a middle rotating disc; the vehicle door is arranged on the upper frame through a vehicle door side wall; the upper frame is connected with the lower frame through the middle rotating disc, and the upper frame can rotate relative to the lower frame through the middle rotating disc;

one side of the lower frame is mounted on one rack supporting seat through a circular flange double-bearing seat, and the other side of the lower frame is mounted on the other rack supporting seat through a speed reduction motor; the speed reduction motor drives the lower frame to rotate so as to drive the rack main body to rotate.

Further, the middle rotating disc is composed of an upper disc and a lower disc, the upper disc is fixed at the center of the upper frame, and the lower disc is fixed at the center of the lower frame; the centers of the upper disc and the lower disc are connected through an optical axis, and the upper disc can rotate around the optical axis relative to the lower disc.

Furthermore, a plurality of arc-shaped grooves are uniformly arranged on the upper disc in a surrounding mode around the center of the disc, threaded holes corresponding to the arc-shaped grooves are uniformly arranged on the lower disc in a surrounding mode, and a plurality of bolts penetrate through the arc-shaped grooves and are fixed in the threaded holes respectively to fix the upper disc and the lower disc.

Furthermore, an angle scale is arranged on the lower disc in a surrounding mode and used for displaying the gradient of the vehicle door.

Furthermore, the simulation bench also comprises an X-axis anti-rotation limiting part and a Y-axis anti-rotation limiting part; the X-axis anti-rotation limiting part comprises an X-axis limiting adjusting block and an X-axis limiting fixing block, the two X-axis limiting adjusting blocks are symmetrically installed on the left side and the right side of the lower portion of the lower frame, and the two X-axis limiting fixing blocks are symmetrically fixed on the two rack supporting seats; the two sets of Y-axis anti-rotation limiting parts are symmetrically arranged on the left side and the right side between the upper frame and the lower frame, each Y-axis anti-rotation limiting part comprises a Y-axis limiting adjusting block and a Y-axis limiting fixing block, each Y-axis limiting adjusting block is fixed on the upper frame, and each Y-axis limiting fixing block is fixed on the lower frame.

Furthermore, mounting blocks are fixed on the mounting surfaces of the outer sides of the four sides of the upper frame, a plurality of threaded holes are uniformly formed in the mounting blocks, and the side walls of the car door are mounted on the mounting blocks through a plurality of mounting bracket bolts.

Furthermore, a plurality of positioning pin holes are uniformly distributed in the mounting block, and after the vehicle door side wall is fixed, the positioning pin holes are inserted into the positioning pin holes to position the vehicle door side wall.

Furthermore, the top of the rack supporting seat is provided with a mounting plane, and the speed reducing motor is mounted on the mounting plane through a motor mounting seat; the speed reducing motor comprises a servo motor and a speed reducer, wherein the speed reducer is installed at the output end of the servo motor and is connected with the lower frame through a speed reducer installation turntable.

Furthermore, angle scales are arranged on the speed reducer mounting turntable and used for displaying the inclination angle of the vehicle door.

Further, the circular flange double-bearing seat is mounted on a mounting plane at the top of the rack support seat through a bearing mounting support, and the circular flange double-bearing seat is connected with the lower frame through a bearing mounting turntable.

The utility model has the beneficial effects that:

the vehicle door testing device is simple in structure, can test the door opening and closing force, the door opening and closing speed and the smoothness of the vehicle door under different slopes so as to improve the product quality, can meet the test of different vehicle types, is high in compatibility, can be suitable for the development and verification of the vehicle doors of multiple vehicle projects, realizes the one-to-many test and verification, saves the rack verification time, and reduces the part development time. Meanwhile, in the early stage of development of automobile products, experimental verification can be carried out for theories, the manufacturing cost of a body-in-white is reduced, a research method is provided for research and development of similar products, and a research and development reference standard is provided. The simulation bench of the utility model can also reduce the design change at the later stage of the design of the car door and reduce the cost of part design change.

In addition, the vehicle door inclination angle adjusting device realizes the test of different inclinations by adjusting the vehicle door inclination angle through the rotation of the upper frame relative to the lower frame, realizes the test of different vehicle door inclination angles by driving the rack main body to rotate through the speed reducing motor, and has the advantages of simple adjustment and convenient operation. In addition, the speed reducer is used, so that the output torque is improved while the speed of the servo motor is reduced, the output energy consumption of the servo motor is reduced, and the test cost is saved.

According to the utility model, the upper frame can be quickly adjusted to the gradient required by the test by observing the scale value on the lower disc, the precision can reach 0.1 degree through accurate adjustment, and the accuracy of the verification result is improved.

According to the utility model, the speed reduction motor drives the rack main body to rotate for adjusting the angle, so that the inclination angle of the vehicle door can be quickly adjusted to the angle required by the test, the precision can reach 0.1 degree through accurate adjustment, the test error is reduced, more accurate data is obtained, and the arrangement feasibility of parts such as a vehicle door hinge is verified.

The utility model realizes the adjustment of the inclination angle of the vehicle door through the speed reducing motor, is convenient, quick, stable and safe, and improves the testing efficiency and quality.

Drawings

FIG. 1 is a schematic front view of a vehicle door vertical gradient simulation rack with an adjustable inclination angle according to the present invention;

FIG. 2 is a schematic rear view of a vehicle door vertical gradient simulation rack with an adjustable tilt angle according to the present invention.

Wherein: 1-rack mounting base, 2-rack supporting base, 3-upper frame, 4-lower frame, 5-middle rotating disk, 6-circular flange double-bearing seat, 7-T-shaped bolt and pressing block, 8-motor mounting base, 9-servo motor, 10-speed reducer, 11-speed reducer mounting rotating disk, 12-bearing mounting support, 13-bearing mounting rotating disk, 14-mounting block, 15-mounting support, 16-upper disk, 17-lower disk, 18-X axis limiting adjusting block, 19-X axis limiting fixing block, 20-Y axis limiting adjusting block and 21-Y axis limiting fixing block.

Detailed Description

The following detailed description of the embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model, but are not intended to limit the scope of the utility model.

In the present specification, terms of orientation or positional relationship such as up, down, left, right, inside, outside, front, rear, head, and tail are established based on the orientation or positional relationship shown in the drawings. The corresponding positional relationship may also vary depending on the drawings, and therefore, should not be construed as limiting the scope of protection.

In the present invention, the terms "mounted," "connected," "fixed," and the like are to be understood in a broad sense, and for example, may be fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected or capable of communicating with each other, directly connected, indirectly connected through an intermediate medium, or communicated between two components, or interacting between two components. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

This embodiment describes a door vertical gradient simulation rack of inclination adjustable, it can carry out the inclination of vertical gradient to the door and adjust.

As shown in fig. 1 and 2, the simulation bench is composed of a bench mounting base 1, a bench support base 2, a bench main body, a speed reduction motor and an anti-rotation limiting assembly. Two rack supporting seats 2 are symmetrically arranged on the rack mounting base 1 and used for supporting the rack main body. The bench main body comprises an upper frame 3, a lower frame 4 and a middle rotating disc 5, wherein the upper frame 3 is connected with the lower frame 4 through the middle rotating disc 5, and the upper frame 3 can rotate relative to the lower frame 4 through the middle rotating disc 5 to simulate the gradient of a vehicle door mounted on the upper frame 3. One side of the lower frame 4 is arranged on the rack supporting seat 2 on one side through a circular flange double-bearing seat 6, the other side of the lower frame 4 is arranged on the rack supporting seat 2 on the other side through a speed reducing motor, and the speed reducing motor drives the rack main body to rotate to adjust the car door inclination angle while supporting the lower frame 4. The anti-rotation limiting assembly is arranged on the simulation bench and used for preventing the bench body from displacing in the test process.

In this embodiment, rack installation base 1 is the rectangle bottom plate that the horizontal direction set up, is equipped with many parallel type grooves of falling T on rack installation base 1, and two rack supporting seats 2 pass through T type bolt and 7 symmetrical installations of briquetting on rack installation base 1 both sides.

The welding of 2 tops of rack supporting seat has a mounting plane, and motor mount pad 8 passes through the bolt and installs on the mounting plane of the rack supporting seat 2 of one side for install gear motor.

The speed reducing motor is a driving unit for the rotation of the rack main body and mainly comprises a servo motor 9 and a speed reducer 10, the servo motor 9 is fixedly installed on a motor installation seat 8 through bolts, the speed reducer 10 is installed at the output end of the servo motor 9 and is connected with a speed reducer installation turntable 11 through bolts, the speed reducer installation turntable 11 is fixedly connected with the lower frame 4 through bolts, and therefore the servo motor 9 drives the lower frame 4 to rotate to adjust the inclination angle of the car door. In addition, the speed reducer mounting rotary table 11 is provided with angle scales, and when the servo motor 9 adjusts the rotation of the lower frame 4, the inclination angle of the car door can be known through the scales on the speed reducer mounting rotary table 11.

The bearing mounting support 12 is mounted on the mounting plane of the gantry support base 2 at the other side through bolts, and is used for realizing the rotary support of the gantry body. The circular flange double bearing seat 6 is fixedly arranged on the bearing mounting support 12 through bolts. Circular flange duplex bearing 6 passes through the optical axis and links to each other with bearing installation carousel 13 to respectively through bolt and optical axis fixed connection, circular flange duplex bearing 6 and the coaxial setting of bearing installation carousel 13. The bearing mounting rotary table 13 is fixedly connected with the lower frame 4 through bolts to realize the rotary support of the rack main body.

In this embodiment, the upper frame 3 and the lower frame 4 are both frames formed by welding square steel pipes.

All welded fastening has the installation piece 14 on the installation face of the four sides outside of upper frame 3, and the equipartition is equipped with a plurality of screw holes and location pinhole on the installation piece 14 for install fixedly and the location to different door side walls when testing different doors, enlarge this simulation rack's compatibility. During testing, the side wall of the vehicle door is mounted on the upper frame 3 through the mounting bracket 15, the mounting bracket 15 is fixed on the mounting block 14 through bolts, the mounting position of the bolts can be adjusted according to the side wall structure, and the positioning pins are inserted into the positioning pin holes to position the side wall of the vehicle door.

The center of the left side and the right side of the lower frame 4 is provided with a turntable mounting block, the turntable mounting block is provided with a mounting hole, and the turntable mounting blocks on the two sides are respectively connected and fixed with the bearing mounting turntable 12 and the speed reducer mounting turntable 11 through bolts.

The middle rotating disk 5 is composed of an upper disk 16 and a lower disk 17, the upper disk 16 is fixed in the center of the upper frame 3 in a welding mode, and the lower disk 17 is fixed in the center of the lower frame 4 in a welding mode. The centers of the upper disc 16 and the lower disc 17 are respectively sleeved at two ends of the optical axis to ensure that the upper disc 16 and the lower disc 17 are coaxially arranged in real time, and the upper disc 16 and the lower disc 17 can respectively rotate around the optical axis. In addition, a plurality of arc-shaped grooves are uniformly arranged on the upper disc 16 around the center of the disc in a surrounding manner, four threaded holes corresponding to the arc-shaped grooves are uniformly arranged on the lower disc 17 in a surrounding manner in the embodiment, after the vehicle door test gradient is adjusted, four positioning bolts respectively penetrate through the four arc-shaped grooves on the upper disc 16 and are fixed in the threaded holes of the lower disc 17, and the positioning bolts can be used for preventing the upper frame 3 from rotating relative to the lower frame 4 in the test process while being connected with the upper disc 16 and the lower disc 17 in a locking manner. In addition, the upper disc 16 is provided with a scale line, and the lower disc 17 is provided with angle scales in a surrounding manner, preferably, the scales are 1 degree, after the upper frame 3 is rotated, the slope of the current vehicle door can be known by observing the scales of the discs.

After the upper frame 3 and the lower frame 4 are adjusted to the testing required angle, the rack body is limited and fixed in the X-axis direction and the Y-axis direction through the anti-rotation limiting assembly, so that the positions of the upper frame 3 and the lower frame 4 are prevented from being displaced in the testing process.

In this embodiment, the anti-rotation limiting assembly includes an X-axis anti-rotation limiting member and a Y-axis anti-rotation limiting member. The X-axis anti-rotation limiting part comprises X-axis limiting adjusting blocks 18 and X-axis limiting fixing blocks 19, the two X-axis limiting adjusting blocks 18 are symmetrically installed on the left side and the right side of the lower portion of the lower frame 4, and the two X-axis limiting fixing blocks 19 are symmetrically fixed on the rack supporting seat 2. Two sets of Y-axis anti-rotation limiting parts are symmetrically arranged on the left side and the right side between the upper frame 3 and the lower frame 4, each Y-axis anti-rotation limiting part comprises a Y-axis limiting adjusting block 20 and a Y-axis limiting fixing block 21, the Y-axis limiting adjusting block 20 is fixed on the upper frame 3, and the Y-axis limiting fixing block 21 is fixed on the lower frame 4. After the bench main body is adjusted to the required angle of the test, the X-axis limiting adjusting block 18 is matched with the X-axis limiting fixing block 19 to realize the X-axis limiting of the bench main body, and the Y-axis limiting adjusting block 20 is matched with the Y-axis limiting fixing block 21 to realize the Y-axis limiting of the bench main body.

In this embodiment, spacing adjusting block and spacing fixed block can adopt the cotter limit structure, all be equipped with the arc wall on X axle spacing adjusting block 18 and the Y axle spacing adjusting block 20, all be equipped with the bolt fastening hole of a plurality of different positions on X axle spacing fixed block 19 and the Y axle spacing fixed block 21, the arc wall passes through bolt or round pin locking with the bolt fastening hole that corresponds the position and fixes, realizes spacingly. In addition, the limiting adjusting block and the limiting fixing block can also adopt other limiting structures, such as a buckle structure, a gear meshing structure and other limiting structures.

When testing, at first with the side wall of test door fixed on last frame 3, then rotate the slope that upper ledge 3 adjusted the door and carry out the slope simulation, when needing to adjust the door inclination, open servo motor 9, drive the rack main part through the reduction gear and rotate to predetermineeing the door inclination, realize the slope simulation test at different door inclinations.

While the principles of the utility model have been described in detail in connection with the preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing embodiments are merely illustrative of exemplary implementations of the utility model and are not limiting of the scope of the utility model. The details of the embodiments are not to be interpreted as limiting the scope of the utility model, and any obvious changes, such as equivalent alterations, simple substitutions and the like, based on the technical solution of the utility model, can be interpreted without departing from the spirit and scope of the utility model.

Claims

1. The vehicle door upper and lower gradient simulation rack with the adjustable inclination angle is characterized by comprising a rack mounting base (1), a rack supporting seat (2) and a rack main body; the two rack supporting seats (2) are symmetrically arranged on the rack mounting base (1); the rack main body comprises an upper frame (3), a lower frame (4) and a middle rotating disc (5); the vehicle door is arranged on the upper frame (3) through a vehicle door side wall; the upper frame (3) is connected with the lower frame (4) through the middle rotating disc (5), and the upper frame (3) can rotate relative to the lower frame (4) through the middle rotating disc (5);

one side of the lower frame (4) is mounted on one rack supporting seat (2) through a circular flange double-bearing seat (6), and the other side of the lower frame (4) is mounted on the other rack supporting seat (2) through a speed reduction motor; the speed reduction motor drives the lower frame (4) to rotate so as to drive the rack main body to rotate.

2. The tilt-adjustable door up-down slope simulation bench according to claim 1, wherein the middle rotating disk (5) is composed of an upper disk (16) and a lower disk (17), the upper disk (16) is fixed at the center of the upper frame (3), and the lower disk (17) is fixed at the center of the lower frame (4); the centers of the upper disc (16) and the lower disc (17) are connected through an optical axis, and the upper disc (16) can rotate around the optical axis relative to the lower disc (17).

3. The vehicle door up-down slope simulation rack with the adjustable inclination angle according to claim 2, wherein a plurality of arc-shaped grooves are uniformly arranged on the upper disc (16) in a surrounding manner around the center of the disc, threaded holes corresponding to the arc-shaped grooves are uniformly arranged on the lower disc (17) in a surrounding manner, and a plurality of positioning bolts respectively penetrate through the arc-shaped grooves to be fixed in the threaded holes so as to fix the upper disc (16) and the lower disc (17).

4. The tilt-adjustable vehicle door up-down slope simulation bench according to claim 2, wherein the upper disc (16) is provided with a scribed line, and the lower disc (17) is provided with an angle scale around the scribed line for displaying the slope of the vehicle door.

5. The tilt-adjustable vehicle door up-down gradient simulation bench according to claim 1, further comprising an X-axis anti-rotation limit and a Y-axis anti-rotation limit; the X-axis anti-rotation limiting part comprises X-axis limiting adjusting blocks (18) and X-axis limiting fixing blocks (19), the two X-axis limiting adjusting blocks (18) are symmetrically installed on the left side and the right side of the lower portion of the lower frame (4), and the two X-axis limiting fixing blocks (19) are symmetrically fixed on the two rack supporting seats (2); the Y-axis anti-rotation limiting parts are symmetrically arranged on the left side and the right side between the upper frame (3) and the lower frame (4), each Y-axis anti-rotation limiting part comprises a Y-axis limiting adjusting block (20) and a Y-axis limiting fixing block (21), each Y-axis limiting adjusting block (20) is fixed on the upper frame (3), and each Y-axis limiting fixing block (21) is fixed on the lower frame (4).

6. The inclination-adjustable vehicle door up-down slope simulation bench according to claim 1, wherein a mounting block (14) is fixed on a mounting surface on the outer side of four sides of the upper frame (3), a plurality of threaded holes are uniformly formed in the mounting block (14), and the vehicle door side body is mounted on the mounting block (14) through a plurality of mounting brackets (15) by bolts.

7. The vehicle door up-down slope simulation rack with the adjustable inclination angle according to claim 6, wherein a plurality of positioning pin holes are uniformly distributed in the mounting block (14), and after the vehicle door side body is fixed, a positioning pin is inserted into the positioning pin holes to position the vehicle door side body.

8. The inclination-adjustable vehicle door up-down gradient simulation bench according to claim 1, wherein a mounting plane is arranged on the top of the bench support seat (2), and the speed reduction motor is mounted on the mounting plane through a motor mounting seat (8); the speed reducing motor comprises a servo motor (9) and a speed reducer (10), wherein the speed reducer (10) is installed at the output end of the servo motor (9) and is connected with the lower frame (4) through a speed reducer installation turntable (11).

9. The inclination-adjustable vehicle door up-down gradient simulation bench according to claim 8, wherein the speed reducer installation turntable (11) is provided with angle scales for displaying the inclination angle of the vehicle door.

10. The tilt-adjustable vehicle door up-down gradient simulation bench according to claim 1, wherein the circular flange double-shaft bearing seat (6) is mounted on a mounting plane on the top of the bench support seat (2) through a bearing mounting support seat (12), and the circular flange double-shaft bearing seat (6) is connected with the lower frame (4) through a bearing mounting turntable (13).