Detection device for limited slip differential and electric control differential lock of whole vehicle

Abstract

The utility model discloses a detection device for a limited slip differential and an electric control differential lock of a finished automobile, and belongs to the technical field of automobiles. The problem that in the prior art, when an automobile detects and verifies the differential lock function of an electric control differential lock, the limited slip function of a limited slip differential of the whole automobile cannot be detected at the same time is solved. The device mainly comprises a front-row detection position and a rear-row detection position aligned with the front-row detection position, the front-row detection position comprises a left front detection position and a right front detection position, the rear-row detection position comprises a left rear detection position and a right rear detection position, each front detection position corresponds to one rear detection position, and the front detection positions and the corresponding rear detection positions are aligned front and back. The two front detection positions are respectively provided with a pulley block and an obstacle, and the two rear detection positions are respectively provided with a pulley block.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the automobile technical field, specifically, especially relates to a detection device for whole car limited slip differential and electric control differential lock. BACKGROUND

[0002] The current electric control differential lock is mainly verified by the whole vehicle test switch when detecting and verifying, and this method can only verify whether the differential lock function of the electric control differential lock works normally, and cannot verify the limited slip function of the limited slip differential, so that the limited slip function of the whole vehicle limited slip differential may be missed when the automobile is tested by the above method, and the defective products are discharged. SUMMARY

[0003] The utility model aims at providing a detection device for whole car limited slip differential and electric control differential lock to overcome the problem that the differential lock function of the electric control differential lock cannot be detected simultaneously when the automobile detects and verifies the differential lock function in the prior art.

[0004] The utility model is adopted the following technical scheme realizes, a detection device for whole car limited slip differential and electric control differential lock, including front row detection site and with front row detection site alignment rear row detection site, the front row detection site includes left and right two front detection sites, and the rear row detection site includes left and right two rear detection sites, and each front detection site corresponds a rear detection site respectively, and the front detection site and corresponding rear detection site alignment, and two front detection sites install pulley group and obstacle respectively, and two rear detection sites all install pulley group.

[0005] Further, the obstacle includes a blocking tube.

[0006] Further, the blocking tube is installed on both sides of the base.

[0007] Further, the blocking tube is a square tube.

[0008] Further, the pulley group includes a mounting frame, and a plurality of rotating rollers are rotatably installed in the mounting frame.

[0009] Further, six rotating rollers are installed in the mounting frame at intervals.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] The utility model can detect the differential lock function of the electric control differential lock and the limited slip function of the whole vehicle limited slip differential at the same time, improve the inspection efficiency of the differential lock function of the electric control differential lock and the limited slip function of the whole vehicle limited slip differential, make it more suitable for the whole vehicle inspection process and rhythm, and effectively avoid the limited slip function of the whole vehicle limited slip differential, effectively avoid the defective products. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] Figure 2 This is a schematic diagram of the obstacle described in this utility model.

[0014] In the diagram: 1. Front row detection position; 2. Rear row detection position; 3. Front detection position; 4. Rear detection position; 5. Pulley block; 6. Obstacle; 7. Blocking pipe; 8. Rotary roller; 9. Base; 10. Mounting frame. Detailed Implementation

[0015] To enable those skilled in the art to better understand the technical solutions of this utility model, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort should fall within the scope of protection of this utility model.

[0016] A detection device for a vehicle limited-slip differential and electronically controlled differential lock includes a front detection position 1 and a rear detection position 2 aligned with the front detection position 1. The front detection position 1 includes two front detection positions 3 on the left and right, and the rear detection position 2 includes two rear detection positions 4 on the left and right. Each front detection position 3 corresponds to one rear detection position 4, as shown in the attached figure. Figure 1 As shown, the front detection bit 3 and the corresponding back detection bit 4 are aligned front and back.

[0017] The two front detection positions 3 are respectively equipped with pulley blocks 5 and obstacles 6, and the two rear detection positions 4 are each equipped with pulley blocks 5. The pulley block 5 includes a mounting frame 10, in which multiple rotating rollers 8 are rotatably mounted. In use, the mounting frame 10 is fixedly installed on the ground and serves to install the rotating rollers 8. The front and rear ends of the mounting frame 10 are respectively provided with ramps, which facilitate the wheels to drive onto the wheel changing block 5. Six rotating rollers 8 are installed at intervals in the mounting frame 10.

[0018] As attached Figure 2 As shown, the obstacle 6 includes a blocking tube 7, and bases 9 are respectively installed on both sides of the blocking tube 7. When this utility model is in use, the bases 9 on both sides are fixedly installed on the ground, and the bases 9 are fixedly connected to both sides of the blocking tube 7. The blocking tube 7 is a square tube.

[0019] This utility model describes a continuous detection process during use.

[0020] When using this utility model, as shown in the attached document... Figure 1As shown, we pre-suppose that the pulley set 5 is installed on the left front detection position 3 and the obstacle 6 is installed on the right front detection position 3 in two front detection positions 3. The 4H gear is four-wheel drive high gear, the 4L gear is four-wheel drive low gear, the 2H gear is two-wheel drive high gear, the D gear is forward gear, and the N gear is neutral gear in the following detection process.

[0021] 1. The detection of the locking function of the front axle electric control differential lock:

[0022] Firstly, the vehicle is driven to the front of the utility model, the vehicle transfer is switched to the 4H gear or the 4L gear, the vehicle transmission is switched to the D gear, the two rear wheels of the vehicle are respectively driven to the pulley set 5 of the left and right rear detection positions 4, the left front wheel is driven to the pulley set 5 of the left front detection position 3, and the right front wheel is driven to the rear side of the obstacle 6 of the right front detection position 3, then the vehicle transmission is switched to the N gear, the vehicle transfer is switched to the 4L gear, the rear lock switch (the rear axle electric control lock switch, the green rear lock locking indication lamp on the instrument is bright) is pressed first, the front lock switch (the front axle electric control lock switch, the green front lock locking indication lamp on the instrument is bright) is pressed, the D gear is engaged, the oil is slowly given, the vehicle is driven forward, and if the vehicle can drive over the obstacle 6 by the power of the right front wheel, it is indicated that the locking function of the front axle electric control differential lock is effective.

[0023] 2. The detection of the limited slip function of the front axle differential:

[0024] After the detection of the locking function of the front axle electric control differential lock, the two rear wheels and the left front wheel on the pulley set 5 are not driven away from the pulley set 5, at this time, the right front wheel is in front of the obstacle 6, the vehicle is parked, the front and rear axle differential lock switch (the front and rear axle electric control lock switch, the green front and rear electric control lock locking indication lamp on the instrument is off) is pressed to release the locking state of the front and rear axle differential, the D gear is engaged, the oil is slowly given, when the vehicle has power output and the speed difference of the left and right front wheels exceeds a certain value, for example, the speed difference of the left and right front wheels exceeds 50 rpm (according to different differentials, the speed difference may be different, which is exemplified here), the front axle differential limited slip function is started, and if the vehicle can drive out of the pulley set 5 on the left front detection position 3 and the two rear detection positions 4 by the power of the right front wheel in front of the obstacle 6, it is indicated that the limited slip function of the front axle differential is effective.

[0025] 3. The detection of the locking function of the rear axle electric control differential lock:

[0026] After the detection of the limited slip function of the front axle differential, the vehicle is slowly driven forward, when the left rear wheel of the vehicle is driven into the pulley set 5 of the left front detection position 3 and the right rear wheel is placed behind the obstacle 6 of the right front detection position 3, the vehicle is parked, the transmission is switched to the N gear, the transfer is switched to the 2H gear, the rear lock switch (the rear axle differential lock switch, the green rear lock locking indication lamp on the instrument is always bright) is pressed, the D gear is engaged, the oil is slowly given, the vehicle is driven forward, and if the vehicle can drive over the obstacle 6 by the power of the right rear wheel, it is indicated that the locking function of the rear axle electric control differential lock is effective.

[0027] 4. The rear axle differential lock function test:

[0028] When the rear axle differential lock function test is completed and the left rear wheel is still on the pulley set 5 of the left front test site 3, stop the vehicle immediately, press the rear lock switch (rear axle differential lock switch, green rear lock stop green indicator light on the instrument panel is off), release the rear axle differential lock state, and put the D gear slowly. When the vehicle has power output and the speed difference between the left and right rear wheels exceeds a certain value, for example, when the speed difference between the left and right rear wheels exceeds 50 rpm (according to different differential settings, the speed difference may be different, this is an example), the rear axle differential lock function starts. If the vehicle can rely on the power of the right rear wheel to drive out of the pulley set 5 of the left front test site 3, it means that the rear axle differential lock function is effective, and the test is complete.

Claims

1. A detection device for a whole vehicle limited slip differential and an electrically controlled differential lock, characterized by, The application relates to a front-row detection position (1) and a rear-row detection position (2) aligned with the front-row detection position (1), the front-row detection position (1) comprises two left and right front detection positions (3), the rear-row detection position (2) comprises two left and right rear detection positions (4), each front detection position (3) corresponds to a rear detection position (4), the front detection position (3) and the corresponding rear detection position (4) are aligned front-to-back, two front detection positions (3) are respectively provided with a pulley block (5) and an obstacle (6), and two rear detection positions (4) are respectively provided with a pulley block (5).

2. The detection device for the whole vehicle limited slip differential and electrically controlled differential lock according to claim 1, characterized in that, The obstacle (6) comprises a blocking pipe (7).

3. The detection device for the whole vehicle limited slip differential and electrically controlled differential lock according to claim 2, characterized in that, Two sides of the blocking pipe (7) are respectively provided with a base (9).

4. The detection device for the whole vehicle limited slip differential and electrically controlled differential lock according to claim 2, characterized in that, The blocking pipe (7) is a square pipe.

5. The detection device for the whole vehicle limited slip differential and electrically controlled differential lock according to claim 1, characterized in that, The pulley block (5) comprises a mounting frame (10), and a plurality of rotating rollers (8) are rotatably arranged in the mounting frame (10).

6. The detection device for the whole vehicle limited slip differential and electrically controlled differential lock according to claim 5, characterized in that, Six rotating rollers (8) are arranged in the mounting frame (10) at intervals.

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