CN219320108U

CN219320108U - Pneumatic automobile chassis gap detection device

Info

Publication number: CN219320108U
Application number: CN202223359539.5U
Authority: CN
Inventors: 张金; 孙杨念; 李岳忠; 程新; 刘源霖
Original assignee: Liaoning Agricultural Technical College
Current assignee: Liaoning Agricultural Technical College
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-07-07
Anticipated expiration: 2032-12-12

Abstract

The utility model provides a pneumatic automobile chassis gap detection device, which comprises four bump simulation areas, wherein the four bump simulation areas correspond to four wheels of an automobile; the jolt simulating area comprises a foundation pit, a cylinder which is vertically arranged is fixed in the foundation pit, the output end of the cylinder is connected with a detection deck plate which is positioned at the pit mouth of the foundation pit, and the detection deck plate is used for supporting wheels of an automobile; the air cylinder is connected with an air source through a three-position five-way electromagnetic valve and is used for driving the detection table top plate to reciprocate up and down; when the chassis clearance is detected, two cylinders corresponding to two front wheels of the automobile work, or two cylinders corresponding to two rear wheels of the automobile work, or all four cylinders corresponding to four wheels of the automobile work. The device provided by the embodiment simplifies the vehicle detection flow and improves the detection efficiency. The special lane detection method solves the problem that the special lane detection is needed in the traditional detection method, and saves land space.

Description

Pneumatic automobile chassis gap detection device

Technical Field

The utility model relates to the technical field of small household sedan chassis gap detection, in particular to a pneumatic automobile chassis gap detection device.

Background

Automobile detection technology has been developed in western industry developed countries, and single detection technology mainly aiming at fault performance debugging has been already developed in the 40 to 50 th century. The separated single detection technologies are connected into lines in the 60 s to form a detection line of a vehicle of a first scale.

The developed western industry nations develop rapidly in 70 s electronic computer technology, the automobile detection equipment is driven to develop in an intelligent way, after 80 s, the computer technology is applied in the automobile detection field to obtain the technology which integrates the functions of detection technology, operation, data acquisition and the like, the detection line of the western industry nations is fully automated, and the detection accuracy is greatly improved.

The automobile detection technology is researched from the beginning of the 60 th century in China later, along with the continuous increase of the quantity of automobile maintenance in China, the automobile detection field is also continuously developed, the quantity and the types of automobile detection equipment are increased year by year, manufacturers producing automobile comprehensive performance detection equipment nationally are up to 60 at present, and the gap between the technology equipment and the technical level overseas is gradually reduced by applying light, mechanical and electrical integrated technologies on the detection technology equipment.

With the popularization of automobile safety performance detection, an automobile chassis gap is an important item in detection, and at present, the automobile chassis gap mainly comprises: the method for detecting the gaps of the chassis of the automobile is usually two, namely a road experiment method and a bench experiment method, and the two methods have different advantages and disadvantages, namely the road experiment method can intuitively reflect the running condition of the automobile in a real road running state, but have the disadvantages that the whole problem of the automobile can only be reflected, the failure position can not be judged, different data can be tested by different operation methods of different weather, different road surfaces and different test drivers, the data repeatability is poor, more accurate data can be obtained only by repeatedly detecting the special road surfaces, adverse effects can be generated on various parts of the automobile under a high-speed detection environment, certain safety is provided, fuel can be consumed, and the tires of the test vehicle can be worn. The bench test method aims at more detection equipment of a large-sized vehicle, and aims at fewer chassis clearance detectors of a small-sized household sedan, and the existing chassis clearance detection device for the small-sized vehicle can not meet the requirements of accurate detection and low cost at the same time.

Disclosure of Invention

In order to better promote the development of the field of automobile detection equipment, the utility model researches an updated scientific detection equipment, and the utility model also satisfies the requirements of low cost and reasonable structure of the whole equipment and the feasibility of equipment installation while satisfying the detection accuracy of the chassis clearance of the small household automobile, thereby improving the detection efficiency of staff, simplifying the detection flow of the automobile, avoiding the safety problem of drivers in the traditional drive test method, the part loss problem in the automobile detection, the problem of repeated experiments for many times needing a special test channel, and the like, and has good practical significance and wide application prospect.

The utility model adopts the following technical means:

a pneumatic automobile chassis gap detection device comprises four bump simulation areas, wherein the four bump simulation areas correspond to four wheels of an automobile;

the jolt simulating area comprises a foundation pit, a vertically arranged air cylinder is fixed in the foundation pit, the output end of the air cylinder is connected with a detection deck plate positioned at the pit mouth of the foundation pit, and the detection deck plate is used for supporting wheels of the automobile;

the air cylinder is connected with an air source through a three-position five-way electromagnetic valve and is used for driving the detection table panel to reciprocate up and down;

when the chassis clearance is detected, two cylinders corresponding to two front wheels of the automobile work, or two cylinders corresponding to two rear wheels of the automobile work, or all four cylinders corresponding to four wheels of the automobile work.

Preferably, the device further comprises an observation foundation pit, wherein the two bump simulation areas on the front side are respectively positioned on two sides of the observation foundation pit, and the two bump simulation areas on the rear side are respectively positioned on two sides of the observation foundation pit.

Preferably, the P port of the three-position five-way electromagnetic valve is connected with the air source, the A port is connected with the air inlet of the air cylinder, the B port is connected with the air outlet of the air cylinder, and the T1 port and the T2 port are provided with silencers.

Preferably, the air source is connected with the three-position five-way electromagnetic valve through a pump, a filter, a pressure regulating valve and a pressure controller.

Compared with the prior art, the utility model has the following advantages:

1. the vehicle detection flow is simplified, and the detection efficiency is improved.

2. The driver safety problem in the traditional drive test method is solved.

3. Parts loss in vehicle detection is reduced.

4. The special lane detection method solves the problem that the special lane detection is needed in the traditional detection method, and saves land space.

Based on the reasons, the utility model can be widely popularized in the fields of chassis gap detection and the like.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a chassis gap detection device for a pneumatic automobile in an embodiment of the utility model.

FIG. 2 is a schematic diagram of a bump simulation area according to an embodiment of the present utility model.

FIG. 3 is a diagram of cylinder air path connection in an embodiment of the present utility model.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be clear that the dimensions of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model: the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

As shown in fig. 1, a pneumatic automobile chassis gap detection device comprises four bump simulation areas, wherein the four bump simulation areas correspond to four wheels of an automobile; the device further comprises an observation foundation pit 5, wherein the two jolt simulation areas on the front side are respectively located on two sides of the observation foundation pit 5, and the two jolt simulation areas on the rear side are respectively located on two sides of the observation foundation pit 5.

As shown in fig. 2, the bump simulation area comprises a foundation pit 1, a vertically arranged cylinder 2 is fixed in the foundation pit 1, the output end of the cylinder 2 is connected with a detection deck plate 3 positioned at the pit mouth of the foundation pit 1, and the detection deck plate 3 is used for supporting wheels of an automobile; the air cylinder 2 is connected with an air source 6 through a three-position five-way electromagnetic valve 4, and the air cylinder 2 is used for driving the detection table panel 3 to reciprocate up and down;

as shown in fig. 3, the port P of the three-position five-way electromagnetic valve 4 is connected with the air source, the port a is connected with the air inlet a of the cylinder 2, the port B is connected with the air outlet B of the cylinder 2, and silencers are installed on the port T1 and the port T2, so that silencing can be performed during exhaust. The air source 6 is connected with the three-position five-way electromagnetic valve 4 through a pump 7, a filter 8, a pressure regulating valve 9 and a pressure controller 10.

The use state is as follows: when the gap of the chassis of the air cylinder is detected, the power supply of the three-position five-way electromagnetic valve 4 is communicated, so that the air cylinder 2 reciprocates, and the two air cylinders 2 corresponding to the two front wheels of the automobile can be selected to work, or the two air cylinders 2 corresponding to the two rear wheels of the automobile can be selected to work, or the four air cylinders 2 corresponding to the four wheels of the automobile can be selected to work. And then make the road surface that detects deck plate 3 simulation grandma detect the chassis clearance of car, the observer can be located in observing foundation ditch 5 in the testing process and observe the chassis clearance of car. The utility model has simple structure, simplifies the vehicle detection flow and improves the detection efficiency. The method solves the safety problem of drivers in the traditional drive test method and reduces the part loss in the vehicle detection. The special lane detection method solves the problem that the special lane detection is needed in the traditional detection method, and saves land space.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The pneumatic automobile chassis gap detection device is characterized by comprising four bumping simulation areas, wherein the four bumping simulation areas correspond to four wheels of an automobile;

2. A pneumatic car chassis gap detection apparatus according to claim 1, further comprising an observation pit, wherein two of said bump simulation areas on a front side are located on both sides of said observation pit, respectively, and two of said bump simulation areas on a rear side are located on both sides of said observation pit, respectively.

3. The pneumatic automobile chassis gap detection device according to claim 1, wherein a port P of the three-position five-way electromagnetic valve is connected with the air source, a port A is connected with an air inlet of the air cylinder, a port B is connected with an air outlet of the air cylinder, and silencers are arranged on a port T1 and a port T2.

4. A pneumatic car chassis gap sensing device according to claim 1 or 3, said air supply being connected to said three-position five-way solenoid valve via a pump, a filter, a pressure regulating valve and a pressure controller.