Automobile brake test bench

Abstract

The utility model discloses an automobile brake test bench, which comprises a bottom plate and two groups of concave frames, the bottom surface of one group of concave frames is fixedly installed with the upper surface of the bottom plate, the upper surface of the bottom plate is provided with two groups of strip-shaped sliding chutes, the bottom surface of one group of concave frames is fixedly provided with a group of strip-shaped sliding blocks, and the strip-shaped sliding blocks are fixedly installed on the bottom surface of the other group of concave frames. The bottom face of each strip-shaped sliding block is slidably connected with the inner wall of the corresponding strip-shaped sliding groove, two fixing blocks are fixedly installed on the upper surface of the bottom plate, and an electric hydraulic push rod is fixedly installed on the left side face of each fixing block. According to the device, an electric hydraulic push rod is installed on the left side face of each fixing block, the output end of each electric hydraulic push rod is fixedly installed on a concave frame, the output ends of the electric hydraulic push rods can drive the concave frame to move, and through cooperation of strip-shaped sliding blocks and strip-shaped sliding grooves, the concave frame can move more stably; the device can conveniently adjust the position of the roller according to the distance between front and rear wheels of an automobile.

Description

Technical Field

[0001] The utility model relates to the technical field of automobiles, in particular to an automobile brake test bench. Background Art

[0002] The automobile brake test bench is a device for testing the braking performance of the automobile. The roller reaction brake test bench is mainly used to test the braking force and blocking force of the left and right wheels of the automobile, the braking force difference and the maximum process difference between the left and right wheels, the percentage of the axle braking force to the axle load, and the braking system coordination time.

[0003] However, most of the existing automobile brake test benches cannot quickly adjust the position of the roller according to the front wheel track and the rear wheel track of each car. Therefore, we propose an automobile brake test bench to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to provide an automobile brake test bench to solve the problems raised in the above background technology.

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

[0006] The automobile brake test bench comprises a base plate and two groups of concave frames, wherein the bottom surface of one group of the concave frames is fixedly mounted on the upper surface of the base plate, two groups of strip slide grooves are provided on the upper surface of the base plate, a group of strip sliders are fixedly mounted on the bottom surface of one group of the concave frames, the bottom surface of each of the strip sliders is slidably connected to the inner wall of the strip slide groove, two fixed blocks are fixedly mounted on the upper surface of the base plate, an electric hydraulic push rod is fixedly mounted on the left side of each of the fixed blocks, and the output end of each of the electric hydraulic push rods is fixedly mounted on the right side of the concave frame.

[0007] In a further embodiment, a group of bearings are fixedly embedded in the inner side wall of each concave frame, a rotating shaft is fixedly installed on the inner ring of each group of bearings, and a roller is fixedly installed on the outer surface of each rotating shaft.

[0008] In a further embodiment, a protection box is fixedly mounted on a side surface of each group of the concave frames that is away from each other, and a bottom surface of one group of the protection boxes is fixedly mounted to an upper surface of the bottom plate.

[0009] In a further embodiment, a transverse plate is fixedly mounted on the side faces of another group of the concave frames that are away from each other, and a bottom surface of another group of the protection boxes is fixedly mounted on the upper surface of the transverse plate.

[0010] In a further embodiment, a servo motor is fixedly mounted on the inner bottom wall of each of the protective boxes, and a first sprocket is fixedly mounted on the output end of each of the servo motors.

[0011] In a further embodiment, a second sprocket is fixedly mounted on the outer surface of one end of each rotating shaft, a chain is provided inside each protective box, and each of the first sprocket and the second sprocket is connected to the chain transmission.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The device installs a fixing block on the upper surface of the bottom plate and an electric hydraulic push rod on the left side of each fixing block, so that the fixing block can play a certain supporting and fixing role for the electric hydraulic push rod. By fixing the output end of each electric hydraulic push rod to the concave frame, the output end of the electric hydraulic push rod can drive the concave frame to move. The concave frame can move more smoothly through the cooperation of the strip slider and the strip slide groove. The device can conveniently adjust the position of the roller according to the distance between the front and rear wheels of the car. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the front view of the automobile brake test bench.

[0015] Figure 2 It is a schematic diagram of the three-dimensional structure of the side view of the automobile brake test bench.

[0016] Figure 3 It is a schematic diagram of the three-dimensional structure of the side section of the automobile brake test bench.

[0017] Figure 4 It is a three-dimensional structural schematic diagram of the top section of the protection box in the automobile brake test bench.

[0018] In the figure: 1, bottom plate; 2, protective box; 3, concave frame; 4, roller; 5, electric hydraulic push rod; 6, fixed block; 7, strip slide; 8, cross plate; 9, bearing; 10, rotating shaft; 11, strip slider; 12, chain; 13, second sprocket; 14, first sprocket; 15, servo motor. DETAILED DESCRIPTION

[0019] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model 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 cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 In the utility model, the automobile brake test bench includes a base plate 1 and two groups of concave frames 3, wherein the bottom surface of one group of concave frames 3 is fixedly installed with the upper surface of the base plate 1, and two groups of strip slide grooves 7 are opened on the upper surface of the base plate 1, wherein a group of strip sliders 11 are fixedly installed with the bottom surface of one group of concave frames 3, and the bottom surface of each strip slider 11 is slidably connected with the inner wall of the strip slide groove 7, and two fixed blocks 6 are fixedly installed with the upper surface of the base plate 1, and the left side of each fixed block 6 is fixedly installed with an electric hydraulic push rod 5, and the output end of each electric hydraulic push rod 5 is fixedly installed with the right side of the concave frame 3.

[0023] A group of bearings 9 are fixedly embedded on the inner wall of each concave frame 3, and a rotating shaft 10 is fixedly installed on the inner ring of each group of bearings 9. A roller 4 is fixedly installed on the outer surface of each rotating shaft 10. By fixing the two ends of the rotating shaft 10 to the inner rings of the two bearings 9, the rotating shaft 10 can drive the roller 4 on its outer surface to rotate freely when it rotates. A protective box 2 is fixedly installed on the side away from each other of each group of concave frames 3, and the bottom surface of one group of protective boxes 2 is fixedly installed on the upper surface of the base plate 1. Each protective box 2 can protect the chain 12, the first sprocket 14, the second sprocket 13 and the servo motor 15 inside it, and can also prevent debris from causing damage to the chain 12, the first sprocket 14 and the second sprocket 13.

[0024] The side faces of another group of concave frames 3 that are away from each other are fixedly installed with a cross plate 8, and the bottom surface of another group of protective boxes 2 is fixedly installed with the upper surface of the cross plate 8. By fixing the cross plate 8 to the outer surface of the concave frame 3, the cross plate 8 can move with the concave frame 3, and the cross plate 8 can support the protective box 2 above it. A servo motor 15 is fixedly installed on the inner bottom wall of each protective box 2, and a first sprocket 14 is fixedly installed on the output end of each servo motor 15. When the output end of the servo motor 15 rotates, the first sprocket 14 can be driven to rotate. A second sprocket 13 is fixedly installed on the outer surface of one end of each rotating shaft 10. A chain 12 is provided inside each protective box 2, and each first sprocket 14 and second sprocket 13 are transmission-connected with the chain 12. By using the chain 12 to transmission-connect the first sprocket 14 and the two second sprockets 13, when the output end of the servo motor 15 rotates, the two rollers 4 can be driven to rotate at the same frequency, thereby preventing the car wheels from rolling off the roller 4 due to inertia.

[0025] The working principle of the utility model is:

[0026] First, the staff measures the distance between the front and rear wheels of the car, and then controls the output ends of the two electric hydraulic push rods 5 to extend. The extension of the output end of each electric hydraulic push rod 5 drives the concave frame 3 to move, and the movement of the concave frame 3 drives the strip slider 11 at the bottom thereof to slide in the strip slide groove 7. When the concave frame 3 is adjusted to the appropriate position, the staff can park the front and rear wheels of the car respectively between each group of rollers 4, and then the car can be braked. Test.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. Automobile brake test bench, characterized by: The invention comprises a bottom plate (1) and two groups of concave frames (3), wherein the bottom surface of one group of the concave frames (3) is fixedly mounted on the upper surface of the bottom plate (1), and two groups of strip slide grooves (7) are provided on the upper surface of the bottom plate (1), wherein a group of strip slide blocks (11) are fixedly mounted on the bottom surface of one group of the concave frames (3), and the bottom surface of each of the strip slide blocks (11) is slidably connected to the inner wall of the strip slide groove (7), and two fixed blocks (6) are fixedly mounted on the upper surface of the bottom plate (1), and an electric hydraulic push rod (5) is fixedly mounted on the left side surface of each of the fixed blocks (6), and the output end of each of the electric hydraulic push rods (5) is fixedly mounted on the right side surface of the concave frame (3).

2. The automobile brake test bench according to claim 1, characterized in that: A group of bearings (9) are fixedly embedded on the inner side wall of each concave frame (3), a rotating shaft (10) is fixedly installed on the inner ring of each group of bearings (9), and a roller (4) is fixedly installed on the outer surface of each rotating shaft (10).

3. The automobile brake test bench according to claim 2, characterized in that: A protection box (2) is fixedly mounted on a side surface of each group of the concave frames (3) that is away from each other, and the bottom surface of one group of the protection boxes (2) is fixedly mounted on the upper surface of the bottom plate (1).

4. The automobile brake test bench according to claim 3 is characterized in that: A transverse plate (8) is fixedly mounted on the side faces of another group of the concave frames (3) that are away from each other, and a bottom surface of another group of the protection boxes (2) is fixedly mounted on the upper surface of the transverse plate (8).

5. The automobile brake test bench according to claim 3 is characterized in that: A servo motor (15) is fixedly mounted on the inner bottom wall of each protection box (2), and a first sprocket (14) is fixedly mounted on the output end of each servo motor (15).

6. The automobile brake test bench according to claim 5, characterized in that: A second sprocket (13) is fixedly mounted on the outer surface of one end of each rotating shaft (10), a chain (12) is arranged inside each protective box (2), and each of the first sprocket (14) and the second sprocket (13) is transmission-connected to the chain (12).

Images