CN216695605U

CN216695605U - Vehicle front axle running-in rack

Info

Publication number: CN216695605U
Application number: CN202220248496.4U
Authority: CN
Inventors: 王仁峰; 王子良; 傅辉; 王德强; 张贵兵; 孟丽娜
Original assignee: Shandong Aodesi Industrial Co ltd; Shandong Liangzi Power Co ltd
Current assignee: Shandong Aodesi Industrial Co ltd; Shandong Liangzi Power Co ltd
Priority date: 2022-02-05
Filing date: 2022-02-05
Publication date: 2022-06-07
Anticipated expiration: 2032-02-05

Abstract

The utility model discloses a running-in rack for a front axle of a vehicle, which comprises a base, wherein stand columns are fixed on two sides above the base, and top beams are fixed at the top ends of the two stand columns; the middle position above the base is rotatably connected with a clamping platform through a rotating base, rope buckles are fixed on two sides above the clamping platform, and steel wire ropes are fixedly bound on the two rope buckles. According to the utility model, the two electric push rods are controlled to be contracted so as not to support the clamping platform any more, and then the first take-up pulley, the first motor, the second take-up pulley and the second motor are used for respectively rolling the steel wire ropes on the corresponding sides, so that the clamping platform is inclined leftwards or rightwards, and the starting and stopping states of the hub brake drum can be simulated when the road surface is inclined; the automobile running states with different speeds are simulated by controlling the rotating speed of the hub brake drum, and the states of light braking, slow braking, emergency braking and the like in the automobile running process are simulated by controlling the starting and stopping of the hub brake drum through the air pipeline.

Description

Vehicle front axle running-in rack

Technical Field

The utility model relates to the technical field of vehicle front axle detection equipment, in particular to a vehicle front axle running-in rack.

Background

The axle is an important component of the chassis running system of the automobile, the axle is connected with a frame (or a bearing type automobile body) through a suspension, and automobile wheels are arranged at two ends of the axle. Its function is to transmit the acting force and its moment in all directions between the frame (or the bearing type vehicle body) and the wheel. The front axle, the middle axle and the rear axle can be divided according to the relative position of the axle on the whole vehicle. At present, the braking deviation rate of a front axle becomes a main factory control index of a commercial vehicle, particularly a passenger car manufacturing enterprise. If the deviation fault occurs, the braking safety of the automobile is affected, and therefore the front axle of the automobile needs to be detected.

The existing vehicle front axle detection equipment is difficult to simulate the starting and stopping states of the hub brake drum under different running speeds of an automobile, the starting and stopping states of the hub brake drum are difficult to simulate when the automobile runs on an inclined road surface, and the detection is not accurate enough. Therefore, a vehicle front axle running-in rack capable of detecting the starting and stopping states of the wheel hub brake drum at different running speeds, detecting the starting and stopping states of the wheel hub brake drum on an inclined road surface and detecting more accurately is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a running-in rack for a front axle of a vehicle, which aims to solve the problems in the prior art.

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

a running-in rack for a front axle of a vehicle comprises a base, wherein stand columns are fixed on two sides above the base, and top beams are fixed at the top ends of the two stand columns; a clamping platform is rotatably connected to the middle position above the base through a rotating base, rope buckles are fixed to two sides above the clamping platform, steel wire ropes are fixedly connected to the two rope buckles in a binding mode, one ends of the two steel wire ropes penetrate through the inner wall of the top beam and extend to the position above the top beam, and the two steel wire ropes are connected with the inner wall of the top beam in a sliding mode; one side of the upper part of the top beam, which is close to the two steel wire ropes, is respectively and rotatably connected with a first take-up pulley and a second take-up pulley, and one ends of the two steel wire ropes are respectively wound and fixed on the first take-up pulley and the second take-up pulley on the corresponding side.

As a further scheme of the utility model: the middle position of the interior of the clamping platform is fixed with a partition plate, third motors are installed on two sides of the interior of the clamping platform, a screw rod is fixed at one end of an output shaft of each third motor, one end of each screw rod is rotatably connected to the partition plate, and the outer portions of the screw rods are in threaded connection with screw sleeves.

As a still further scheme of the utility model: the clamping platform is characterized in that sliding blocks are connected to one side, close to the two threaded sleeves, of the inner wall of the top of the clamping platform in a sliding mode, the sliding blocks are fixedly connected with the threaded sleeves corresponding to one side through supports, and clamping heads are fixed on the sliding blocks.

As a still further scheme of the utility model: the clamping device is characterized in that a clamping opening is formed in the middle of the inner wall of the top of the clamping head, a pressing plate is connected to the upper portion inside the clamping opening in a sliding mode, fastening bolts are arranged at two ends of the pressing plate, and the pressing plate is fixedly connected with the clamping head through the fastening bolts at the two ends.

As a still further scheme of the utility model: the both sides of centre gripping platform below all are provided with electric putter, two electric putter's bottom is all fixed at the base, two the top of electric putter expansion end all with the bottom butt of centre gripping platform.

As a still further scheme of the utility model: a first motor is installed on the upper portion of the top beam and close to the rear side of the first take-up pulley, and one end of an output shaft of the motor is fixedly connected with one end of a rotating shaft of the first take-up pulley.

As a still further scheme of the utility model: and a second motor is arranged on the upper side of the top beam close to the rear side of the second take-up pulley, and one end of an output shaft of the second motor is fixedly connected with one end of a rotating shaft of the second take-up pulley.

Compared with the prior art, the utility model has the following beneficial effects:

1. the method comprises the steps that two front axle hub brake drums are respectively rotated through an external driving device, the running states of automobiles with different speeds are simulated by controlling the rotating speeds of the hub brake drums, a user can control the starting and stopping of the hub brake drums through an air pipeline under different rotating speed states so as to simulate the states of light braking, slow braking, emergency braking and the like in the running process of the automobile, and the user detects the synchronism of the front axle brake drums by observing the starting and stopping states of the left and right hub brake drums, adjusts and runs in;

2. when the brake drum synchronism condition on the inclined road surface needs to be detected, the two electric push rods can be controlled firstly to enable the electric push rods to contract and not support the clamping platform any more, then the first take-up pulley, the first motor, the second take-up pulley and the second motor respectively roll up the steel wire ropes on the corresponding side, so that the clamping platform inclines leftwards or rightwards, and the start-stop state of the brake drum of the wheel hub can be simulated on the inclined road surface.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic top view of the take-up pulley and the top beam of the present invention.

FIG. 3 is a schematic structural view of a clamping platform according to the present invention.

Fig. 4 is a side view of the chuck of the clamping platform.

Notations for reference numerals: the device comprises a base 1, a column 2, a top beam 3, a first take-up pulley 4, a second take-up pulley 5, a steel wire rope 6, a clamping platform 7, a third motor 71, a screw 72, a screw 73, a thread insert 74, a partition plate 75, a slider 76, a chuck 761, a bayonet 762, a pressing plate 763, a fastening bolt 8, a rope buckle 9, a rotating base 10, an electric push rod 11, a first motor 12 and a second motor 12.

Detailed Description

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the utility model. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.

Example 1

Referring to fig. 1-2, in an embodiment of the present invention, a vehicle front axle running-in rack includes a base 1, wherein two sides above the base 1 are fixed with upright columns 2, and top ends of the two upright columns 2 are fixed with top beams 3; the middle position above the base 1 is rotatably connected with a clamping platform 7 through a rotating base 9, electric push rods 10 are arranged on two sides below the clamping platform 7, the bottom ends of the two electric push rods 10 are fixed on the base 1, and the top ends of the movable ends of the two electric push rods 10 are abutted to the bottom of the clamping platform 9; rope buckles 8 are fixed on two sides above the clamping platform 7, steel wire ropes 6 are fixedly bound on the two rope buckles 8, one ends of the two steel wire ropes 6 penetrate through the inner wall of the top beam 3 and extend to the position above the top beam 3, and the two steel wire ropes 6 are connected with the inner wall of the top beam 3 in a sliding mode;

one side of the upper part of the top beam 3, which is close to the two steel wire ropes 6, is respectively and rotatably connected with a first take-up pulley 4 and a second take-up pulley 5, and one ends of the two steel wire ropes 6 are respectively wound and fixed on the first take-up pulley 4 and the second take-up pulley 5 on the corresponding side; a first motor 11 is arranged on the upper portion of the top beam 3 close to the rear side of the first take-up pulley 4, and one end of an output shaft of the motor 11 is fixedly connected with one end of a rotating shaft of the first take-up pulley 4; and a second motor 12 is arranged on the upper side of the top beam 3 close to the rear side of the second take-up pulley 5, and one end of an output shaft of the second motor 12 is fixedly connected with one end of a rotating shaft of the second take-up pulley 5.

Example 2

Referring to fig. 3 to 4, on the basis of embodiment 1, a partition plate 74 is fixed in the middle of the inside of the clamping platform 7, third motors 71 are installed on both sides of the inside of the clamping platform 7, screws 72 are fixed at one end of output shafts of the two third motors 71, one ends of the two screws 72 are rotatably connected to the partition plate 74, and thread sleeves 73 are connected to the outside of the two screws 72; one side of the inner wall of the top of the clamping platform 7, which is close to the two threaded sleeves 73, is slidably connected with a sliding block 75, the two sliding blocks 75 are fixedly connected with the threaded sleeves 73 on the corresponding side through a support, and clamping heads 76 are fixed on the two sliding blocks 75; a bayonet 761 is opened at the intermediate position of chuck 76 top inner wall, the inside top sliding connection of bayonet 761 has clamp plate 762, the both ends of clamp plate 762 all are provided with fastening bolt 763, clamp plate 762 is through fastening bolt 763 and chuck 76 fixed connection at both ends.

When the automobile front axle brake device is used, a connecting rod in the middle of an automobile front axle is placed in a bayonet 761, the connecting rod is pressed and fixed through a pressing plate 762 and a fastening bolt 763, two front axle hub brake drums are respectively positioned on the outer sides of two chucks 761, two compressed air pipelines are respectively inserted into air inlets of left and right brake chambers of the front axle, the two front axle hub brake drums are respectively rotated through an external driving device, automobile running states with different speeds are simulated by controlling the rotating speeds of the hub brake drums, a user can control the starting and stopping of the hub brake drums through the air pipelines under different rotating speed states so as to simulate light braking, slow braking, quick braking and other states in the automobile running process, and the user can detect the synchronism of the front axle brake drums and adjust and wear the front axle brake drums by observing the starting and stopping states of the left and right hub brake drums; when the brake drum synchronism condition on the inclined road surface needs to be detected, the two electric push rods 10 can be controlled firstly to enable the electric push rods to contract and not support the clamping platform 7 any more, then the first take-up pulley 4, the first motor 11, the second take-up pulley 5 and the second motor 12 respectively roll the steel wire ropes 6 on the corresponding side, the clamping platform 7 is enabled to incline leftwards or rightwards, and therefore the start-stop state of the hub brake drum on the inclined road surface can be simulated.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A vehicle front axle running-in rack comprises a base (1), wherein upright columns (2) are fixed on two sides above the base (1), and top beams (3) are fixed at the top ends of the two upright columns (2); the device is characterized in that a clamping platform (7) is rotatably connected to the middle position above the base (1) through a rotating base (9), rope buckles (8) are fixed to two sides above the clamping platform (7), steel wire ropes (6) are fixedly bound on the two rope buckles (8), one ends of the two steel wire ropes (6) penetrate through the inner wall of the top beam (3) and extend to the position above the top beam (3), and the two steel wire ropes (6) are in sliding connection with the inner wall of the top beam (3); one side, close to the two steel wire ropes (6), above the top beam (3) is respectively and rotatably connected with a first take-up pulley (4) and a second take-up pulley (5), and one ends of the two steel wire ropes (6) are respectively wound and fixed on the first take-up pulley (4) and the second take-up pulley (5) on the corresponding side.

2. The running-in stand for the front axle of the vehicle as claimed in claim 1, wherein a partition plate (74) is fixed in the middle of the inside of the clamping platform (7), third motors (71) are mounted on two sides of the inside of the clamping platform (7), screws (72) are fixed at one ends of output shafts of the two third motors (71), one ends of the two screws (72) are rotatably connected to the partition plate (74), and thread sleeves (73) are connected to the outer portions of the two screws (72) in a threaded manner.

3. The running-in stand for the front axle of the vehicle as claimed in claim 2, wherein the side, close to the two threaded sleeves (73), of the inner wall of the top of the clamping platform (7) is slidably connected with a sliding block (75), the two sliding blocks (75) are fixedly connected with the threaded sleeves (73) on the corresponding side through a support, and the two sliding blocks (75) are fixed with clamping heads (76).

4. The vehicle front axle running-in rack according to claim 3, characterized in that a bayonet (761) is formed in the middle of the inner wall of the top of the chuck (76), a pressing plate (762) is slidably connected above the inside of the bayonet (761), fastening bolts (763) are arranged at both ends of the pressing plate (762), and the pressing plate (762) is fixedly connected with the chuck (76) through the fastening bolts (763) at both ends.

5. The running-in rack for the front axle of the vehicle according to claim 1 or 4, characterized in that electric push rods (10) are arranged on two sides below the clamping platform (7), the bottom ends of the two electric push rods (10) are fixed on the base (1), and the top ends of the movable ends of the two electric push rods (10) are abutted against the bottom of the clamping platform (7).

6. The running-in rack for the front axle of the vehicle as claimed in claim 5, wherein a first motor (11) is mounted above the top beam (3) and close to the rear side of the first take-up pulley (4), and one end of an output shaft of the motor (11) is fixedly connected with one end of a rotating shaft of the first take-up pulley (4).

7. The running-in rack for the front axle of the vehicle as claimed in claim 6, wherein a second motor (12) is mounted above the top beam (3) and close to the rear side of the second take-up pulley (5), and one end of an output shaft of the second motor (12) is fixedly connected with one end of a rotating shaft of the second take-up pulley (5).