Leveling and supporting device for automobile air spring test bed

Abstract

The utility model relates to the technical field of supporting equipment, in particular to a leveling and supporting device for an automobile air spring test bed, which is characterized in that a first gradienter and a second gradienter are respectively arranged on two adjacent sides of a supporting plate, a first bracket is fixedly arranged at the upper end of a center plate, and a first base is arranged at the lower end of the supporting plate; a first positioning shaft which penetrates through the first base and is rotationally connected with the first base is arranged at the top end of the first support, a first guide frame is arranged at the lower end of the supporting plate, a first fixing base and a first supporting rod are arranged at the upper end of the center plate, and the first supporting rod is inserted into the first fixing base; through the independent leveling mechanisms in the left-right direction and the front-back direction and in cooperation with accurate monitoring of the gradienter, compared with a traditional four-corner lifting visual inspection leveling mode, the leveling precision is greatly improved, it is ensured that the automobile air spring test bed keeps a more accurate horizontal stable state in the testing process, and therefore the accuracy of an automobile air spring test is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to support equipment technical field, concretely is a kind of automobile air spring test bench leveling support device. BACKGROUND

[0002] The automobile air spring test bench leveling support device is a device for supporting and adjusting the balance of the automobile air spring test bench. The automobile air spring test bench is usually used to test and evaluate the performance and durability of the vehicle air suspension system. The leveling support device ensures that the test bench remains level and stable during testing to accurately evaluate the performance of the air spring.

[0003] The existing part of automobile air spring test bench leveling support device is mostly leveled by four-corner lifting method during use. In this process, the final adjustment position is determined by visually checking the flatness of the support table, which has low adjustment accuracy and reduces the accuracy of automobile air spring test. UTILITY MODEL CONTENTS

[0004] (I) Technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides an automobile air spring test bench leveling support device.

[0006] (II) Technical scheme

[0007] To achieve the above purpose, the utility model provides the following technical scheme: an automobile air spring test bench leveling support device, comprising a bottom plate, a center plate and a support plate, the support plate is above the bottom plate, the center plate is in the middle part of the bottom plate and the support plate;

[0008] The adjacent two sides of the support plate are respectively provided with a first level meter and a second level meter, the upper end of the center plate is fixedly provided with a first support, the lower end of the support plate is provided with a first base, the top end of the first support is provided with a first positioning shaft penetrating through the first base and rotationally connected with the first base, the lower end of the support plate is provided with a first guide frame, the upper end of the center plate is provided with a first fixed seat and a first support rod, the first support rod is inserted into the inside of the first fixed seat, and the top end of the first support rod is provided with a first adjustment shaft slidingly matched with the first guide frame, the lower end of the center plate is provided with a first box body, a first driving rod is horizontally rotationally arranged in the inside of the first box body, a first screw rod is vertically rotationally arranged in the first box body, and the first screw rod penetrates through the center plate and is inserted into the inside of the first support rod, the first screw rod is threadedly connected with the first support rod, the bottom end of the first screw rod is provided with a first driven tooth block, and one end of the first driving rod is provided with a first driving tooth block engaged with the first driven tooth block.

[0009] The upper end of the bottom plate is fixedly provided with a second support, the lower end of the center plate is provided with a second base, the top end of the second support is provided with a second positioning shaft penetrating through and rotationally connected with the second base, the lower end of the center plate is provided with a second guide frame, the upper end of the bottom plate is provided with a second supporting rod and a second fixing base, the second supporting rod is inserted into the second fixing base, and the top end of the second supporting rod is provided with a second adjusting shaft in sliding fit with the second guide frame, the lower end of the bottom plate is provided with a second box body, a second driving rod is rotationally arranged in the second box body in the transverse direction, a second screw rod is rotationally arranged in the second box body in the vertical direction, and the second screw rod penetrates through the bottom plate and is inserted into the second supporting rod in the interior, the second screw rod is in threaded connection with the second supporting rod, the bottom end of the second screw rod is provided with a second driving tooth block, and one end of the second driving rod is provided with a second driven tooth block in mesh with the second driving tooth block.

[0010] Further, the first supporting rod, the first fixing base, the second supporting rod and the second fixing base are all of rectangular structure, and the first adjusting shaft and the second adjusting shaft are both of cylindrical structure.

[0011] In order to improve the stability of the supporting plate during use, the upper end of the center plate and the upper end of the bottom plate are both provided with a limiting assembly, the limiting assembly comprises a locking rod, the locking rod is in threaded connection with the first fixing base and the second fixing base respectively, one end of the locking rod is in contact with the first supporting rod and the second supporting rod respectively, the limiting assembly further comprises a limiting frame, the limiting frame is fixed on the upper end of the center plate and the bottom plate respectively, and the limiting frame is penetrated by the locking rod, and the other end of the locking rod is provided with a knob.

[0012] Further, the first guide frame and the supporting plate are of integral structure, and the second guide frame and the center plate are of integral structure.

[0013] (Three) beneficial effects

[0014] Compared with the prior art, the utility model provides a kind of automobile air spring test bench leveling support device, with following beneficial effects:

[0015] High-precision leveling: through independent left and right and front and rear direction leveling mechanism, cooperate with the accurate monitoring of level, compared with the traditional four corners lifting visual leveling mode, greatly improve the leveling precision, ensure that automobile air spring test bench maintains more accurate horizontal stable state in testing process, to improve the accuracy of automobile air spring test;

[0016] Stable structure: the limiting assembly of the upper end of the center plate and the upper end of the bottom plate, the first supporting rod and the second supporting rod are locked by locking rod, the stability of supporting plate during use is enhanced, avoid in the test process because of equipment sway influence test result. Attached Figure Description

[0017] Figure 1 This is a first-view perspective three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a second-view three-dimensional structural diagram of the present invention;

[0019] Figure 3 This utility model Figure 1 The main view;

[0020] Figure 4 This utility model Figure 1 Side view;

[0021] Figure 5 This is a schematic diagram of the structure of the first screw in this utility model;

[0022] In the diagram: 1. Base plate; 2. Center plate; 3. Support plate; 4. First level; 5. Second level; 6. First base; 7. First bracket; 8. First guide frame; 9. First adjusting shaft; 10. First support rod; 11. First fixed seat; 12. First housing; 13. First drive rod; 14. First drive gear block; 15. First screw; 16. First driven gear block; 17. Second base; 18. Second bracket; 19. Second adjusting shaft; 20. Second guide frame; 21. Second support rod; 22. Second fixed seat; 23. Second housing; 24. Second drive rod; 25. Limiting frame; 26. Locking rod. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1-5 The present invention relates to a leveling support device for an automotive air spring test bench, comprising a base plate 1, a center plate 2, and a support plate 3. The support plate 3 is located above the base plate 1, and the center plate 2 is located in the middle part between the base plate 1 and the support plate 3.

[0025] The first level meter 4 and the second level meter 5 are arranged on two adjacent sides of the support plate 3 respectively, the first support 7 is fixedly arranged at the upper end of the center plate 2, the first base 6 is arranged at the lower end of the support plate 3, the first positioning shaft is arranged at the top end of the first support 7 and penetrates through the first base 6 and is rotationally connected with the first base 6, the first guide frame 8 is arranged at the lower end of the support plate 3, the first fixed seat 11 and the first supporting rod 10 are arranged at the upper end of the center plate 2, the first supporting rod 10 is inserted into the first fixed seat 11, the first adjusting shaft 9 is arranged at the top end of the first supporting rod 10 and is in sliding fit with the first guide frame 8, the first box body 12 is arranged at the lower end of the center plate 2, the first driving rod 13 is rotationally arranged in the first box body 12, the first screw rod 15 is rotationally arranged in the first box body 12, the first screw rod 15 penetrates through the center plate 2 and is inserted into the first supporting rod 10, the first screw rod 15 is in threaded connection with the first supporting rod 10, the first driven gear block 16 is arranged at the bottom end of the first screw rod 15, and the first driving gear block 14 is arranged at one end of the first driving rod 13 and is in mesh with the first driven gear block 16.

[0026] The second support 18 is fixedly arranged at the upper end of the bottom plate 1, the second base 17 is arranged at the lower end of the center plate 2, the second positioning shaft is arranged at the top end of the second support 18 and penetrates through the second base 17 and is rotationally connected with the second base 17, the second guide frame 20 is arranged at the lower end of the center plate 2, the second supporting rod 21 and the second fixed seat 22 are arranged at the upper end of the bottom plate 1, the second supporting rod 21 is inserted into the second fixed seat 22, the second adjusting shaft 19 is arranged at the top end of the second supporting rod 21 and is in sliding fit with the second guide frame 20, the second box body 23 is arranged at the lower end of the bottom plate 1, the second driving rod 24 is rotationally arranged in the second box body 23, the second screw rod is rotationally arranged in the second box body 23, the second screw rod penetrates through the bottom plate 1 and is inserted into the second supporting rod 21, the second screw rod is in threaded connection with the second supporting rod 21, the second driving gear block is arranged at the bottom end of the second screw rod, and the second driven gear block is arranged at one end of the second driving rod 24 and is in mesh with the second driving gear block.

[0027] In the embodiment, the first supporting rod 10, the first fixed seat 11, the second supporting rod 21 and the second fixed seat 22 are all of rectangular structure, and the first adjusting shaft 9 and the second adjusting shaft 19 are all of cylindrical structure.

[0028] Left-right direction leveling: the air spring test bench of the automobile can be supported by the support plate 3, when the first driving rod 13 is rotated, the first driving gear block 14 at one end of the first driving rod 13 drives the first driven gear block 16 engaged therewith to rotate, since the first driven gear block 16 is fixed at the bottom end of the first screw rod 15, the first screw rod 15 rotates accordingly, and since the first screw rod 15 is threadedly connected with the first support rod 10 inserted into the first fixed seat 11, the rotation of the first screw rod 15 makes the first support rod 10 ascend or descend along the vertical direction, and the first adjusting shaft 9 at the top end of the first support rod 10 slides on the first guide frame 8 in an integral structure with the support plate 3, so as to change the height of one end of the support plate 3 and realize the horizontal degree adjustment of the support plate 3 in the left-right direction.

[0029] Front-rear direction leveling: the second driving rod 24 is rotated, the second driving gear block at one end of the second driving rod 24 drives the second driven gear block engaged therewith to rotate, and then the second screw rod is rotated, the second screw rod is threadedly connected with the second support rod 21 inserted into the second fixed seat 22, so that the second support rod 21 ascends or descends along the vertical direction, and the second adjusting shaft 19 at the top end of the second support rod 21 slides on the second guide frame 20 in an integral structure with the center plate 2, so as to adjust the horizontal degree of the center plate 2 in the front-rear direction, and then adjust the horizontal degree of the support plate 3 in the front-rear direction.

[0030] Horizontal monitoring: the first level 4 and the second level 5 arranged on the adjacent two sides of the support plate 3 are used to monitor the horizontal state of the support plate 3 in two directions in real time, so as to provide data basis for the leveling operation.

[0031] 1) Installation and preparation: place the bottom plate 1 on a suitable support surface, install the center plate 2 and the support plate 3 in sequence, ensure that the components are connected stably, install the first level 4 and the second level 5, and connect the transmission components such as the first driving rod 13 and the first driven gear block 16, the second driving rod 24 and the second driven gear block.

[0032] 2) Preliminary leveling: observe the readings of the first level 4 and the second level 5 to determine the inclination of the support plate 3 in the left-right and front-rear directions.

[0033] 3) Left-right direction leveling operation: use a tool (such as a wrench) to rotate the first driving rod 13, adjust the ascending and descending height of the first support rod 10 according to the change of the first level 4, until the first level 4 shows the horizontal state, at this time the support plate 3 reaches the horizontal state in the left-right direction.

[0034] 4) Front-rear direction leveling operation: similarly use a tool to rotate the second driving rod 24, adjust the ascending and descending height of the second support rod 21 according to the readings of the second level 5, so that the second level 5 shows the horizontal state, and the leveling of the support plate 3 in the front-rear direction is completed.

[0035] 5) Locking and fixing: after leveling, rotate the locking rod 26 in the limiting assembly, and operate conveniently by the knob. The locking rod 26 is threadedly connected with the first fixing seat 11 and the second fixing seat 22, and one end thereof contacts the first support rod 10 and the second support rod 21, thereby fixing the first support rod 10 and the second support rod 21 at the current position and preventing the levelness of the support plate 3 from changing due to vibration and other factors during the test.

[0036] Compared with the traditional four-corner lifting visual leveling mode, the leveling precision is greatly improved by the independent left-right and front-rear leveling mechanisms in cooperation with the accurate monitoring of the level meter, and the automobile air spring test bench can maintain a more accurate horizontal stable state during the test, thereby improving the accuracy of the automobile air spring test.

[0037] In the embodiment, the upper end of the center plate 2 and the upper end of the bottom plate 1 are each provided with a limiting assembly, the limiting assembly includes a locking rod 26, the locking rod 26 is threadedly connected with the first fixing seat 11 and the second fixing seat 22 respectively, one end of the locking rod 26 contacts the first support rod 10 and the second support rod 21 respectively, the limiting assembly further includes a limiting frame 25, the limiting frame 25 is fixed at the upper end of the center plate 2 and the upper end of the bottom plate 1 respectively, and the limiting frame 25 is penetrated by the locking rod 26, and the other end of the locking rod 26 is provided with a knob.

[0038] The limiting assembly provided at the upper end of the center plate 2 and the upper end of the bottom plate 1 locks the first support rod 10 and the second support rod 21 through the locking rod 26, thereby enhancing the stability of the support plate 3 during use and avoiding the influence of device shaking on the test results during the test.

[0039] In the embodiment, the first guide frame 8 and the support plate 3 are in an integrated structure, and the second guide frame 20 and the center plate 2 are in an integrated structure.

[0040] Advantages of the integrated structure: the integrated structure of the first guide frame 8 and the support plate 3 and the integrated structure of the second guide frame 20 and the center plate 2 reduce the connection gap and loosening risk between components, improve the strength and stability of the overall structure, and are also conducive to force transmission and accurate control during leveling.

[0041] In the embodiment, the second screw rod is the same in structure as the first screw rod 15, the second driving tooth block is the same in structure as the first driving tooth block 14, and the second driven tooth block is the same in structure as the first driven tooth block 16, and no more description is made herein.

[0042] In the description of the text, it needs to be explained that the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment.

[0043] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application.

Claims

1. A leveling support device for a vehicle air spring test bench, comprising a bottom plate (1), a center plate (2) and a support plate (3), characterized in that: The support plate (3) is located above the bottom plate (1), and the center plate (2) is located between the bottom plate (1) and the middle part of the support plate (3); The first level (4) and the second level (5) are arranged on the adjacent two sides of the support plate (3), the first support (7) is fixedly arranged at the upper end of the center plate (2), the first base (6) is arranged at the lower end of the support plate (3), the first positioning shaft penetrating through the first base (6) and being rotatably connected with the first base (6) is arranged at the top end of the first support (7), the first guide frame (8) is arranged at the lower end of the support plate (3), the first fixed seat (11) and the first supporting rod (10) are arranged at the upper end of the center plate (2), the first supporting rod (10) is inserted into the first fixed seat (11), the first adjusting shaft (9) slidably matched with the first guide frame (8) is arranged at the top end of the first supporting rod (10), the first box (12) is arranged at the lower end of the center plate (2), the first driving rod (13) is horizontally rotatably arranged in the first box (12), the first screw rod (15) is vertically rotatably arranged in the first box (12) and is inserted into the first supporting rod (10), the first screw rod (15) is threadedly connected with the first supporting rod (10), the first driven gear block (16) is arranged at the bottom end of the first screw rod (15), and the first driving gear block (14) engaged with the first driven gear block (16) is arranged at one end of the first driving rod (13). The second support (18) is fixedly arranged at the upper end of the bottom plate (1), the second base (17) is arranged at the lower end of the center plate (2), the second positioning shaft penetrating through the second base (17) and being rotatably connected with the second base (17) is arranged at the top end of the second support (18), the second guide frame (20) is arranged at the lower end of the center plate (2), the second supporting rod (21) and the second fixed seat (22) are arranged at the upper end of the bottom plate (1), the second supporting rod (21) is inserted into the second fixed seat (22), the second adjusting shaft (19) slidably matched with the second guide frame (20) is arranged at the top end of the second supporting rod (21), the second box (23) is arranged at the lower end of the bottom plate (1), the second driving rod (24) is horizontally rotatably arranged in the second box (23), the second screw rod is vertically rotatably arranged in the second box (23) and is inserted into the second supporting rod (21), the second screw rod is threadedly connected with the second supporting rod (21), the second driving gear block is arranged at the bottom end of the second screw rod, and the second driven gear block engaged with the second driving gear block is arranged at one end of the second driving rod (24).

2. The leveling support device for a vehicle air spring test bench of claim 1, wherein: The first supporting rod (10), the first fixed seat (11), the second supporting rod (21) and the second fixed seat (22) are all rectangular structures, and the first adjusting shaft (9) and the second adjusting shaft (19) are both cylindrical structures.

3. The leveling support device for an automobile air spring test bench rack according to claim 2, characterized in that: The upper end of the center plate (2) and the upper end of the bottom plate (1) are provided with limiting assemblies, the limiting assembly comprises a locking rod (26), the locking rod (26) is respectively screwed with a first fixed seat (11) and a second fixed seat (22), one end of the locking rod (26) respectively contacts a first supporting rod (10) and a second supporting rod (21).

4. The leveling support device for an automobile air spring test bench according to claim 3, characterized in that: The limiting assembly further comprises a limiting frame (25), the limiting frame (25) is respectively fixed on the upper end of the center plate (2) and the bottom plate (1), and the limiting frame (25) is penetrated by the locking rod (26).

5. The leveling support device for an automotive air spring test bench of claim 4, wherein: The other end of the locking rod (26) is provided with a knob.

6. The leveling support device for an automotive air spring test bench of claim 5, wherein: The first guide frame (8) and the supporting plate (3) are of an integral structure, and the second guide frame (20) and the center plate (2) are of an integral structure.

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