Floating disc for truck positioning test

Abstract

The utility model relates to the technical field of whole truck testing, and discloses a floating disc for truck positioning testing. Comprising a floating plate, and multiple sets of fixing supports are arranged below the floating plate; through the X-direction floating base, the Y-direction floating base with the sliding device and the floating plate with the Z-direction rotating support, the front axle, toe-in or camber angle adjustment is not affected by stress, the detection precision is ensured, and when the floating disc is not affected by stress in the adjustment process, the front axle, toe-in or camber angle adjustment is not affected by stress, and the detection precision is ensured. The actual state of the front axle, the toe-in or the camber angle of the truck can be reflected more accurately, so that technicians can know the performance of a suspension system and a steering system of the truck more accurately, and more targeted adjustment and optimization can be carried out.

Description

TECHNICAL FIELD

[0001] The utility model relates to truck whole car test technical field, concretely is a kind of floating disc for truck positioning test. BACKGROUND

[0002] The floating disc for truck positioning test is a rotating disc allowing free movement, and through its floating characteristics, ensures the stability and accuracy in the test process, so as to improve the accuracy and reliability of truck positioning test.

[0003] The design of floating disc allows it to move freely during testing, and this feature helps to eliminate positioning deviations caused by stress deformation and other factors when adjusting the vehicle, thereby improving the accuracy of the test, therefore, the floating disc for truck positioning test needs to be used, but the traditional truck positioning floating disc, when positioning test is carried out, the floating disc and its related elements (such as bracket, connecting piece, etc.) can be subjected to stress from parts such as wheels, suspension systems, etc., and these stresses can cause slight deformation or displacement of the elements, thereby affecting the positioning accuracy of the floating disc. SUMMARY

[0004] The utility model aims at providing a kind of floating disc for truck positioning test to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of floating disc for truck positioning test, comprising:

[0006] Floating plate, the lower portion of the floating plate is provided with multiple fixed supports;

[0007] Second fixed bottom plate, located below the fixed support, the top of the second fixed bottom plate is fixedly connected with second sliding rail;

[0008] The lower portion of the second fixed bottom plate is provided with first fixed bottom plate, and the top of the first fixed bottom plate is fixedly connected with first sliding rail.

[0009] Preferably, the top of the first fixed bottom plate is fixedly connected with first cylinder, the outer side of the first sliding rail is slidably connected with first sliding block, and the top of the first sliding block is fixedly connected with the bottom of the second fixed bottom plate.

[0010] Preferably, the bottom of the second fixed bottom plate is fixedly connected with second connecting shaft, the piston rod of the first cylinder is fixedly connected with return arm, and the lower portion of the return arm is provided with gear.

[0011] Preferably, the outer side of the second sliding rail is slidably connected with second sliding block, and the top of the second fixed bottom plate is fixedly connected with second cylinder.

[0012] Preferably, the second fixed bottom plate is provided with gas springs above, and the number is two groups.

[0013] Preferably, the bottom of the fixed support is fixedly connected with a rotating support through a bolt, and the lower portion of the fixed support is provided with an encoder.

[0014] Preferably, the bottom of the fixed support is rotatably connected with a first connecting shaft, one end of the first connecting shaft is provided with a third connecting shaft, the top of the encoder is provided with a connecting plate, and the bottom of the connecting plate is fixedly connected with the inner wall of the fixed support.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The utility model discloses a floating disc for truck positioning test, which comprises a floating plate, a fixed support and a second fixed bottom plate, wherein the floating plate is provided with a first fixed bottom plate and a first cylinder, the fixed support is provided with a second fixed bottom plate and a second cylinder, and the second fixed bottom plate is provided with a first sliding rail and a second sliding rail. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A preferred embodiment structure diagram of the floating disc for truck positioning test is provided.

[0018] Figure 2 A fixed support and a second fixed bottom plate structure diagram is provided.

[0019] Figure 3 A second fixed bottom plate and a first sliding rail structure diagram is provided.

[0020] Figure 4 A first fixed bottom plate and a first cylinder structure diagram is provided.

[0021] In the drawing: 1, floating plate;2, fixed support;3, second fixed bottom plate;4, first fixed bottom plate;5, first cylinder;6, second sliding block;7, first sliding rail;8, second sliding rail;9, second cylinder;10, gas spring;11, first sliding block;12, second connecting shaft;13, return support arm;14, gear;15, rotating support;16, encoder;17, first connecting shaft;18, third connecting shaft;19, connecting plate. DETAILED DESCRIPTION

[0022] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1-4 As shown in FIG. 1, a floating disc for truck positioning test comprises a floating plate 1, a plurality of fixed supports 2 are arranged below the floating plate 1; a rotating support 15 is fixedly connected to the bottom of the fixed support 2 through a bolt, an encoder 16 is arranged below the fixed support 2; a first connecting shaft 17 is rotatably connected to the bottom of the fixed support 2, a third connecting shaft 18 is installed at one end of the first connecting shaft 17, a connecting plate 19 is installed at the top of the encoder 16, and the bottom of the connecting plate 19 is fixedly connected with the inner wall of the fixed support 2; when the automobile brakes, the brake disc will generate high temperature due to friction, causing thermal expansion and cold contraction phenomenon, the design of the floating disc allows the floating plate 1 to slightly swing when the brake disc expands, thereby adjusting the friction surface between the brake disc and the brake pad, ensuring the best friction effect and braking torque, this adaptability helps to maintain the stability of the brake and prolong the service life of the brake system, it is explained here that the floating plate 1 is prior art, and will not be described in detail here, the fixed support 2 is used to connect with the floating plate 1, when the floating plate 1 rotates in Z direction, the rotating support 15 is fixed on the fixed support 2 through a bolt, the floating plate 1 is fixed on the rotating support 15 through a bolt, so as to realize the rotation of the floating plate 1 around Z axis at any angle, and the encoder 16 and the fixed support 2 are rotatably connected through the first connecting shaft 17 and the third connecting shaft 18, so as to realize the measurement and judgment of the rotation angle.

[0024] The second fixed bottom plate 3 is located below the fixed support 2, and the top of the second fixed bottom plate 3 is fixedly connected with a second sliding rail 8; the outer side of the second sliding rail 8 is slidably connected with a second sliding block 6, and the top of the second fixed bottom plate 3 is fixedly connected with a second air cylinder 9; the top of the second fixed bottom plate 3 is provided with two groups of gas springs 10; by arranging the second fixed bottom plate 3, the second sliding rail 8 can be conveniently installed, and the second sliding rail 8 is designed in the Y-axis direction, so that the floating plate 1 can move in the Y-axis direction; by arranging the second sliding block 6, the second sliding block 6 can be conveniently connected with the fixed support 2; by arranging the second air cylinder 9, the fixed support 2 can be pushed, so as to meet the Y-axis movement requirement of the truck during positioning test; the gas spring 10 is a spring driven by the pressure difference of gas in a closed container, and is used for supporting, buffering, braking, height and angle adjustment during truck test; two groups of gas springs 10 are arranged opposite to each other, so as to ensure that the Y direction can be centrally returned, and when the floating plate 1 needs to be centrally arranged, the two groups of second air cylinders 9 are simultaneously extended.

[0025] The first fixed bottom plate 4 is arranged below the second fixed bottom plate 3, the top of the first fixed bottom plate 4 is fixedly connected with a first sliding rail 7, the first sliding rail 7 is installed by the first fixed bottom plate 4, and the first sliding rail 7 is installed in the X-axis direction, so as to facilitate X-axis sliding of the floating plate 1; the top of the first fixed bottom plate 4 is fixedly connected with a first air cylinder 5, the outer side of the first sliding rail 7 is slidably connected with a first sliding block 11, and the top of the first sliding block 11 is fixedly connected with the bottom of the second fixed bottom plate 3; the bottom of the second fixed bottom plate 3 is fixedly connected with a second connecting shaft 12, the piston rod of the first air cylinder 5 is fixedly connected with a return arm 13, and the bottom of the return arm 13 is provided with a gear 14; the return arm 13 is driven to move by the operation of the first air cylinder 5, the gear 14 is driven to rotate when the return arm 13 moves, and the other group of return arms 13 is driven to rotate by the rotation of the gear 14, so that when the return arm 13 is opened or closed, the upper structure is realized X direction free and locking, the second connecting shaft 12 is arranged to facilitate control of the X direction floating amount, and the first air cylinder 5 is extended and retracted to control the opening and closing of the return arm 13, so as to realize X direction free and locking.

[0026] Working principle: when X-axis movement is needed, the first cylinder 5 is opened, the first cylinder 5 pushes the return support arm 13 to rotate, and the second connecting shaft 12 is fixed on the second fixed bottom plate 3, when the return support arm 13 rotates, it drives two sets of gear 14 to mesh, therefore, through the extension and retraction of the first cylinder 5, the opening and closing of the return support arm 13 is controlled to realize X-direction free and locking, when Y-axis movement is needed, the second cylinder 9 is opened, the second slider 6 is driven to slide along the second slide rail 8, so as to drive the fixed support 2 to move, and two sets of gas springs 10 are installed oppositely, in order to ensure that the Y direction can be centered, the rotating support 15 is fixed on the fixed support 2 in the Z direction rotating assembly structure, the floating plate 1 is fixed on the rotating support 15 through bolts, so as to realize the rotation of the floating plate 1 around Z axis at any angle, and the encoder 16 is rotatably connected with the fixed support 2 through the first connecting shaft 17 and the third connecting shaft 18, so as to realize the measurement and judgment of the rotating angle.

[0027] It should be noted that the relative terms such as first and second, and the like are used herein solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the recited element.

[0028] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A floating disc for truck positioning testing, characterized in that, Include: Floating plate (1), the lower part of the floating plate (1) is provided with a plurality of fixed support (2); The second fixed bottom plate (3) is located below the fixed support (2), and the top of the second fixed bottom plate (3) is fixedly connected with the second slide rail (8); The lower part of the second fixed bottom plate (3) is provided with a first fixed bottom plate (4), and the top of the first fixed bottom plate (4) is fixedly connected with a first slide rail (7).

2. A floating disc for truck alignment testing according to claim 1, characterized in that: The top of the first fixed bottom plate (4) is fixedly connected with a first air cylinder (5), the outer side of the first slide rail (7) is slidably connected with a first sliding block (11), and the top of the first sliding block (11) is fixedly connected with the bottom of the second fixed bottom plate (3).

3. A floating disc for truck alignment testing according to claim 2, wherein: The bottom of the second fixed bottom plate (3) is fixedly connected with a second connecting shaft (12), the piston rod of the first air cylinder (5) is fixedly connected with a reset arm (13), and the lower part of the reset arm (13) is provided with a gear (14).

4. A floating disc for truck alignment testing according to claim 1, wherein: The outer side of the second slide rail (8) is slidably connected with a second sliding block (6), and the top of the second fixed bottom plate (3) is fixedly connected with a second air cylinder (9).

5. A floating disc for truck alignment testing according to claim 2, wherein: The upper part of the second fixed bottom plate (3) is provided with a gas spring (10), and the number is provided with two groups.

6. A floating disc for truck alignment testing according to claim 1, wherein: The bottom of the fixed support (2) is fixedly connected with a rotating support (15) through bolts, and the lower part of the fixed support (2) is provided with an encoder (16).

7. A floating disc for truck alignment testing according to claim 6 wherein: The bottom of the fixed support (2) is rotatably connected with a first connecting shaft (17), one end of the first connecting shaft (17) is mounted with a third connecting shaft (18), the top of the encoder (16) is mounted with a connecting plate (19), and the bottom of the connecting plate (19) is fixedly connected with the inner wall of the fixed support (2).

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