Abnormal sound diagnostic instrument of automobile body chassis

Abstract

The invention discloses an abnormal sound diagnostic instrument of an automobile body chassis, and the instrument provided by the invention comprises a test bench (2) and a case (1), wherein the two sides of the front end of the test bench (2) are symmetrically distributed with simulation pavement crawlers (3) and the two sides of the rear end of the test bench are symmetrically provided with tire locating slots (7); the simulation pavement crawlers (3) which are symmetrically distributed at the two sides are connected through a belt A (11), a transmission shaft (12) and a belt B (13) sequentially; the simulation pavement crawlers (3) is composed of a circular crawler (4), a driving cylinder (5) and a driven cylinder (6); the inner side of the circular crawler (4) is uniformly distributedwith multiple anti-slip strips (24); the driving cylinder (5) and the driven cylinder (6) are positioned at the inner side of the circular crawler (4); multiple meshing strips (28) which are matched with the anti-slip strips (24) are arranged on the driving cylinder (5) and the driven cylinder (6); the rotating shaft of the driven cylinder (6) is fixed on the case (1); and one end of a belt C (9)is connected with the driving cylinder (5), and the other end of the belt C (9) is connected with a motor (8). The abnormal sound diagnostic instrument disclosed by the invention can be used for accurately detecting the part with abnormal sound, is convenient to operate and is time-saving and safe.

Description

technical field [0001] The invention relates to automobile maintenance auxiliary equipment, in particular to a vehicle body chassis abnormal sound diagnostic instrument. Background technique [0002] During the use of the car, there will be abnormal noises on the body or the chassis of the car. For the diagnosis of this kind of abnormal noise, the usual method is that an experienced repairman sits in the car and judges by the abnormal noise made during the driving process of the car. The obvious abnormal noise is easier to detect. If the abnormal noise is slightly vague, It is difficult to detect, so there is only estimation and judgment, and the abnormal noise is still there after replacing the parts. This not only reduces the maintenance benefit, but also increases the maintenance cost, and affects the customer's use of the vehicle; there are also ultrasonic detectors. , but it is not only expensive, but also seriously affects the detection effect and causes detection obs...

AI Technical Summary

Problems solved by technology

For the diagnosis of this kind of abnormal noise, the usual method is that an experienced repairman sits in the car and judges by the abnormal noise made during the driving process of the car. The obvious abnormal noise is easier to detect. If the abnormal noise is slightly vague, It is difficult to detect, so there is only estimation and judgment, and the abnormal noise is still there after replacing the parts. This not only reduces the maintenance benefit, but also increases the maintenance cost, and affects the customer's use of the vehicle; there are also ultrasonic detectors. , but it is not only expensive, but also seriously affects the detection effect due to the interference of various noises when driving, causing detection obstacles

Since they cannot get close to the location of the abnormal noise, both exist, and it is impossible to know exactly where the abnormal noise comes from

It is difficult to determine the specific fault location, which is an annoyance for users and a headache for repairmen

Moreover, for cars that have already made abnormal noises, they can only be diagnosed by driving on the road, which not only poses traffic risks, but also consumes time and effort.

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