CN114441101A

CN114441101A - Device for simulating natural rain to test automobile body tightness

Info

Publication number: CN114441101A
Application number: CN202210104455.2A
Authority: CN
Inventors: 张攀峰; 吕献华; 闫明强; 彭冲
Original assignee: Pingyuan Intelligent Equipment Corp
Current assignee: Pingyuan Intelligent Equipment Corp
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-05-06

Abstract

The utility model provides a device that imitate nature drenching with the rain and reach inspection car body leakproofness, has solved present car body seal inspection step loaded down with trivial details, the relatively poor problem of efficiency. The vehicle body spraying device comprises a frame capable of sliding back and forth in a reciprocating mode and a spraying system, wherein the spraying system sprays a vehicle body. Compared with the prior art, the invention has the following advantages: 1) arranging a spraying system above a frame, wherein a travelling wheel is arranged at the bottom of the frame, and a guide track is arranged at the lower part of the travelling wheel; 2) the power device drives the crank to rotate, and the driving rotation drives the frame to slide in a reciprocating manner; 3) a self-cleaning filter and a circulating pipeline are arranged at the outlet of the water pump, a high-pressure pipeline is arranged at the joint of the circulating pipeline and the spraying pipeline, and the high-pressure pipeline is connected with a spraying system; 4) after the automobile body is driven into the spraying area, the spraying system is opened, then the crank rotates to drive the frame to move back and forth, the natural rainfall state is simulated, and the airtightness of the automobile body is detected.

Description

Device for simulating natural rain to test automobile body tightness

Technical Field

The invention relates to the technical field of automobile production equipment, in particular to a device for testing the sealing property of an automobile body by simulating natural rain, which is used for testing the sealing property of the automobile body in an automobile assembly.

Background

At present, before the automobile is delivered from a factory after final assembly, the sealing performance of the automobile door, the skylight, the front windshield, the automobile bottom plate and other parts positioned on the automobile body needs to be checked before the automobile is delivered from the factory, so that the phenomenon that the automobile body leaks water in a place with deep rain or water accumulation is prevented, and the declaration of safety of an engine and personnel is caused.

The current common inspection mode is to adopt the mode of aerifing, injects gas in the car earlier, goes to detect the sealed effect of car, but this kind of inspection mode is too loaded down with trivial details, and needs the automobile body to place in water, and considerable trouble, efficiency is lower.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, provides a device for testing the sealing performance of an automobile body by simulating natural rain, and effectively solves the problems of complicated steps and poor efficiency of the existing automobile body sealing test.

The invention is realized by the following technical scheme: a device for simulating natural rain to test the tightness of an automobile body comprises a frame capable of sliding back and forth and a spraying system, wherein the spraying system sprays the automobile body.

Preferably, the spray system comprises a spray pipe fixed within a frame;

and spray headers are fixed at the left end, the right end and the upper end of the frame, and the spray pipelines are communicated with the spray headers.

Preferably, the spraying system further comprises a circulating pipeline which is communicated with the spraying pipeline through a connecting hose

Preferably, the spraying system further comprises a water pump, and the water outlet end of the water pump is connected with the circulating pipeline.

Preferably, a self-cleaning filter is connected in the circulating pipeline.

Preferably, the device also comprises a track fixed on the ground;

the lower end of the frame is connected with a traveling wheel, and the traveling wheel slides along a track.

Preferably, the device also comprises a crank rotatably connected with the ground, the other end of the crank is hinged with a connecting rod, and the other end of the connecting rod is hinged and fixed with the frame.

Compared with the prior art, the invention has the following advantages: 1) arranging a spraying system above a frame, wherein a travelling wheel is arranged at the bottom of the frame, and a guide track is arranged at the lower part of the travelling wheel; 2) the power device drives the crank to rotate, and the driving rotation drives the frame to slide in a reciprocating manner; 3) a self-cleaning filter and a circulating pipeline are arranged at the outlet of the water pump, a high-pressure pipeline is arranged at the joint of the circulating pipeline and the spraying pipeline, and the high-pressure pipeline is connected with a spraying system; 4) after the automobile body is driven into the spraying area, the spraying system is opened, then the crank rotates to drive the frame to move back and forth, the natural rainfall state is simulated, and the airtightness of the automobile body is detected.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the portion A of FIG. 1;

wherein: 1. a frame; 2. a spray system; 3. a spray pipe; 4. a shower head; 5. a circulation pipe; 6. a water pump; 7. a self-cleaning filter; 8. a track; 9. a traveling wheel; 10. a crank; 11. a connecting rod.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in figures 1-2, the device for testing the tightness of the automobile body by simulating natural rain comprises a frame 1 and a spraying system 2 which can slide back and forth in a reciprocating mode, wherein the spraying system 2 sprays the automobile body.

In the invention, a spraying experiment is carried out on the automobile body by simulating natural rain so as to test the sealing effect of the automobile body, and the frame 1 drives the spraying system 2 to slide back and forth so as to spray the automobile body, so that the sealing effect of the automobile can be well tested.

The spraying system 2 comprises a spraying pipeline 3;

the left end, the right end and the upper end of the frame 1 are fixed with spray headers 4, and the spray pipelines 3 are connected with the spray headers 4.

The spray pipe 3 moves along with the frame, and the spray head 4 adopts the rotary spray head 4, so that the condition of natural rain can be better simulated, the existence of the connecting hose ensures that the conditions such as resistance and the like can not occur in the reciprocating sliding process of the frame 1, and the flexibility of equipment use is ensured.

The spraying system 2 comprises a water pump 6, the water outlet end of the water pump 6 is connected with a circulating pipeline 5, and the circulating pipeline 5 is connected with the spraying pipeline 3 through a hose.

The water pump 6 pumps water from the water tank, outputs the water into the circulating pipeline 5, and conveys the water into the spraying pipeline 3 through a hose so as to spray the water from the spraying head 4.

And a self-cleaning filter 7 is connected in the spraying pipeline 3.

The water pumped out from the water pump 6 passes through the self-cleaning filter 7, so that the water is filtered, and the water going out from the spray header 4 cannot be doped with impurities and cannot damage the vehicle body.

Also comprises a track 8 fixed on the ground;

the lower end of the frame 1 is connected with a walking wheel 9, and the walking wheel 9 slides along a track 8.

The running wheels 9 cooperate with the rails 8 to ensure that the frame 1 can slide back and forth in a reciprocating manner, and are a guide structure, which can be of many kinds, and only one is mentioned here.

The frame is characterized by further comprising a crank 10 rotatably connected with the ground, the other end of the crank 10 is hinged with a connecting rod 11, and the other end of the connecting rod 11 is hinged and fixed with the frame 1.

A power unit is fixed on the ground and drives a crank 10 to rotate, the crank 10 rotates through a connecting rod 11 to drive the frame 1 to perform reciprocating horizontal sliding.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The device for simulating natural rain to test the tightness of the automobile body is characterized by comprising a frame (1) and a spraying system (2), wherein the frame can slide back and forth in a reciprocating mode, and the spraying system (2) sprays the automobile body.

2. A device for simulating natural rainfall for the purpose of inspecting the tightness of automotive bodies according to claim 1, characterized in that the sprinkler system (2) comprises a sprinkler pipe (3) fixed in a frame;

and spray headers (4) are fixed at the left end, the right end and the upper end of the frame (1), and the spray pipelines (3) are communicated with the spray headers (4).

3. The device for simulating natural rain for testing the tightness of the automobile body according to claim 2, wherein the spraying system (2) further comprises a circulating pipeline (5), and the circulating pipeline (5) is communicated with the spraying pipeline (3) through a connecting hose.

4. The device for simulating natural rain for testing the tightness of the automobile body according to claim 3, wherein the spraying system further comprises a water pump (6), and the water outlet end of the water pump (6) is connected with the circulating pipeline (5).

5. A device for testing the tightness of a motor vehicle body by simulating natural rainfall according to claim 3, characterized in that a self-cleaning filter (7) is connected in the circulation duct (5).

6. A device for testing the tightness of a car body in order to simulate natural rainfall according to claim 1, further comprising a rail (8) fixed to the ground;

the lower end of the frame (1) is connected with a walking wheel (9), and the walking wheel (9) slides along a track (8).

7. The device for simulating natural rain for testing the tightness of the automobile body according to claim 6, further comprising a crank (10) rotatably connected with the ground, wherein the other end of the crank (10) is hinged with a connecting rod (11), and the other end of the connecting rod (11) is hinged and fixed with the frame (1).