CN216050502U

CN216050502U - General whole-vehicle water sealing test equipment

Info

Publication number: CN216050502U
Application number: CN202122357365.8U
Authority: CN
Inventors: 孙会凯; 窦玉; 刘祎楠; 孙中冰
Original assignee: FAW Volkswagen Automotive Co Ltd
Current assignee: FAW Volkswagen Automotive Co Ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-03-15
Anticipated expiration: 2031-09-28

Abstract

The utility model provides a universal water seal test device for a whole vehicle. The spraying system comprises a water supply circulating system and a spraying mechanism, wherein the water supply circulating system comprises a water storage tank and a water supply circulating pipeline connected with the water storage tank. The spraying mechanism is connected with the water supply circulating pipeline and comprises a side spraying mechanism, a top spraying mechanism and a bottom spraying mechanism. Vehicle gesture analog system is including the hydraulic pressure lifting mechanism and the gesture analog mechanism that are connected, and hydraulic pressure lifting mechanism installs on the inside bottom plate in experimental cabin, and gesture analog mechanism is located hydraulic pressure lifting mechanism top, and gesture analog mechanism includes electronic flexible pillar and the car loading board that many slopes set up, and the bottom of electronic flexible pillar is fixed in hydraulic pressure lifting mechanism's upper end, and the top of electronic flexible pillar is connected on the car loading board. The test equipment can test the water tightness of the whole vehicle under various simulated actual scenes.

Description

General whole-vehicle water sealing test equipment

Technical Field

The utility model relates to the technical field of automobile detection, in particular to universal whole automobile water seal test equipment.

Background

The whole vehicle water sealing test is to detect the matching tightness of the whole vehicle parts so as to prevent water from flowing into a cockpit and electrical parts. The current whole vehicle water sealing test cannot simulate the actual use environment of the vehicle, such as rainfall, rainfall time, vehicle posture, high-pressure water washing and the like.

In view of the above problems, the inventors of the present invention have finally obtained the present invention through a long period of research and practice.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a universal water sealing test device for a whole vehicle, which can test the water sealing performance of the whole vehicle under various simulated actual scenes.

The technical scheme adopted by the utility model is as follows:

the general water seal test equipment for the whole vehicle comprises a test cabin, a spraying system and a vehicle attitude simulation system;

the spraying system comprises a water supply circulating system and a spraying mechanism, the water supply circulating system comprises a water storage tank and a water supply circulating pipeline connected with the water storage tank, and the water storage tank is arranged outside the test cabin; the spraying mechanism is connected with the water supply circulating pipeline and comprises a side spraying mechanism, a top spraying mechanism and a bottom spraying mechanism, the side spraying mechanism is installed on the inner side wall of the test cabin, the top spraying mechanism is installed on the inner top wall of the test cabin, and the bottom spraying mechanism is installed on an inner bottom plate of the test cabin;

vehicle gesture analog system is including the hydraulic pressure lifting mechanism and the gesture analog mechanism that are connected, hydraulic pressure lifting mechanism install in on the inside bottom plate in experimental cabin, gesture analog mechanism is located hydraulic pressure lifting mechanism top, gesture analog mechanism includes electronic flexible pillar and the car loading board that many slopes set up, the bottom of electronic flexible pillar is fixed in hydraulic pressure lifting mechanism's upper end, the top of electronic flexible pillar is connected on the car loading board, through the length control who adjusts each electronic flexible pillar the gesture of car loading board, and then the vehicle gesture on it of control.

Further, lateral part sprinkling mechanism and top sprinkling mechanism all include the multiunit shower that sets up at the coplanar, and each group's shower includes the shower that many root canals footpath is different, and the shower cooperation of different pipe diameters has the water pump of different power, and it has a plurality of nozzles to follow its length direction equipartition on every shower.

Further, the side spraying mechanism and the top spraying mechanism further comprise distance adjusting mechanisms, each distance adjusting mechanism comprises a motor, an ultrasonic sensor, a controller and a telescopic support, the ultrasonic sensors are connected with the controllers, the controllers are connected with the motors, the motors are connected with the telescopic supports, and the telescopic supports are connected with the multiple groups of spraying pipes; the ultrasonic sensor is used for detecting the position of the automobile body of the automobile, and the telescopic bracket is driven to adjust the positions of the multiple groups of spraying pipes according to the position of the automobile body.

Furthermore, the number of the side spraying mechanisms is two, the side spraying mechanisms are respectively fixed on two inner side walls of the test cabin, and each group of spraying pipes is five.

Further, the telescopic support comprises two fixed slide rails and an X-shaped scissor support, one of the fixed slide rails is fixed on the inner wall of the test cabin, the other fixed slide rail is fixedly connected with the plurality of groups of spray pipes, the end parts of the two sides of the X-shaped scissor support are respectively connected with the two fixed slide rails, one of the end parts of the two sides is respectively connected with the two fixed slide rails in a sliding manner, the other end parts of the two sides are respectively hinged to the two fixed slide rails, and the motor drives the sliding end of the X-shaped scissor support to slide along the fixed slide rails through a transmission mechanism.

Further, the posture simulation mechanism comprises six electric telescopic struts, wherein the bottoms of two electric telescopic struts are fixed at the front part of the upper end surface of the hydraulic lifting mechanism, and the bottoms of the other four electric telescopic struts are fixed at the rear part of the upper end surface of the hydraulic lifting mechanism.

Furthermore, a wheel positioning mechanism is arranged on the automobile bearing plate of the posture simulation mechanism.

Furthermore, a drainage device is paved on the ground in the test cabin and connected with the water supply circulating pipeline to recycle the accumulated water on the ground.

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

the whole vehicle water sealing test equipment can simulate the whole vehicle water sealing performance under various vehicle postures, can simulate different rainfall and rainfall time, can simulate the high-pressure water washing state, and can simulate negative pressure water absorption during running in rainy days and air conditioner air inlet water absorption.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic external structural diagram of a complete vehicle water seal test device according to an embodiment of the utility model;

FIG. 2 is a schematic structural diagram of a side spraying mechanism of the water seal test equipment of the whole vehicle according to the embodiment of the utility model;

fig. 3 is a schematic structural diagram of a vehicle attitude simulation system of the whole vehicle water seal test apparatus according to the embodiment of the present invention.

Detailed Description

The above and further features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

As shown in FIG. 1, the universal water sealing test equipment for the whole vehicle comprises a test cabin 1, a spraying system and a vehicle attitude simulation system. The interior of the test chamber 1 is a test area. A large water supply is provided outside the test chamber 1.

Specifically, the spraying system comprises a water supply circulation system 2 and a spraying mechanism, wherein the water supply circulation system 2 comprises a water storage tank 21 and a water supply circulation pipeline 22 connected with the water storage tank. The water storage tank 21 is provided outside the test chamber 1. The spraying means is connected to the water supply circulation line 22. A drainage device is laid on the ground in the test chamber 1 and is connected with a water supply circulating pipeline 22 to recycle the accumulated water on the ground.

The spraying mechanism comprises a side spraying mechanism, a top spraying mechanism and a bottom spraying mechanism, the side spraying mechanism is installed on the inner side wall of the test cabin 1, the top spraying mechanism is installed on the inner top wall of the test cabin 1, and the bottom spraying mechanism is installed on the inner bottom plate of the test cabin 1. Lateral part sprinkling mechanism and top sprinkling mechanism all include the multiunit shower 3 that sets up at the coplanar, and each group's shower includes the shower 31 that many root diameters are different, and the shower cooperation of different pipe diameters has the water pump of different power, and it has a plurality of nozzles to follow its length direction equipartition on every shower 31.

As shown in fig. 2, the side spraying mechanism and the top spraying mechanism further comprise a distance adjusting mechanism 4, the distance adjusting mechanism 4 comprises a motor 42, an ultrasonic sensor, a controller and a telescopic support, the ultrasonic sensor is connected with the controller, the controller is connected with the motor, the motor 42 is connected with the telescopic support, and the telescopic support is connected with the plurality of groups of spraying pipes 3. The ultrasonic sensor is used for detecting the position of the automobile body of the automobile, and the motor drives the telescopic bracket to adjust the positions of the multiple groups of spraying pipes 3 according to the position of the automobile body. During the experiment, the multiunit shower 3 of lateral part sprinkling mechanism and top sprinkling mechanism sprays when being apart from automobile body 50cm, and ultrasonic sensor detects this distance to control the motor through the controller, and then control telescopic bracket, make multiunit shower 3 reach the position apart from automobile body 50 cm.

In a specific embodiment, the telescopic bracket comprises two

fixed slide rails

41, 43 and an X-shaped scissors bracket 41, wherein one fixed slide rail 41 is fixed on the inner wall of the test chamber 1, the other fixed slide rail 43 is fixedly connected with the multiple groups of shower pipes 3, the end parts of the two sides of the X-shaped scissors bracket 41 are respectively connected with the two fixed slide rails, one end part of the two sides is respectively connected with the two fixed slide rails in a sliding manner, the other end part of the two sides is respectively hinged on the two fixed slide rails, and the motor 42 drives the sliding end of the X-shaped scissors bracket 41 to slide along the fixed slide rails through a transmission mechanism. The transmission mechanism can adopt various forms, such as a screw nut pair structure, a roller and ring belt structure, a gear and rack structure and the like, and the technical personnel in the field can flexibly select the transmission mechanism according to the field condition. It will be understood that when the two ends of the X-shaped scissors support 41 on the same side are close to each other, the X-shaped scissors support 41 is in an extended state, and vice versa, the X-shaped scissors support 41 is in a retracted state. The two side spraying mechanisms are respectively fixed on the two inner side walls of the test chamber 1. Preferably, each group of spray pipes is five, and the side spray mechanism and the top spray mechanism on each side respectively comprise four groups of spray pipes. The structure of the X-shaped scissor bracket 41 is shown in the figure, the middle parts of the two straight lever arms are hinged in a crossed mode, and the distance between the four end points is changed by adjusting the angle between the two straight lever arms.

As shown in fig. 3, the vehicle posture simulation system 5 includes a hydraulic lifting mechanism 51 and a posture simulation mechanism connected to each other, the hydraulic lifting mechanism is installed on an internal bottom plate of the test cabin 1, the posture simulation mechanism is located above the hydraulic lifting mechanism 51, the posture simulation mechanism includes a plurality of electric telescopic pillars 52 and a vehicle bearing plate 53 which are obliquely arranged, the bottoms of the electric telescopic pillars 52 are fixed to the upper end of the hydraulic lifting mechanism 51, the tops of the electric telescopic pillars 52 are connected to the vehicle bearing plate 53, the posture of the vehicle bearing plate 53 is controlled by adjusting the lengths of the electric telescopic pillars, and then the posture of the vehicle 100 thereon is controlled.

In a specific embodiment, the posture simulation mechanism includes six electric telescopic pillars 52, wherein the bottoms of two electric telescopic pillars are fixed to the front portion of the upper end surface of the hydraulic lifting mechanism 51, and the bottoms of the other four electric telescopic pillars 52 are fixed to the rear portion of the upper end surface of the hydraulic lifting mechanism 51. The automobile bearing plate 53 of the attitude simulation mechanism is provided with a wheel positioning mechanism. The vehicle attitude simulation system 5 controls the parking attitude of the vehicle by 6 servo motors, including front-back, left-right, and diagonal inclination. And calculating the rotation quantity of the servo motor corresponding to different angles and postures through the system. Different parking postures of the user are simulated through the working condition. The hydraulic lifting mechanism 51 is used for adjusting the height of the vehicle from the ground, the hydraulic lifting mechanism 51 comprises a hydraulic cylinder and a jacking bracket, and the lifting of the jacking bracket is controlled through the hydraulic cylinder, in one example, the jacking bracket can adopt an X-shaped scissors bracket.

The general water seal test equipment for the whole vehicle can also simulate the negative pressure light rain working condition and the vehicle tail gas discharge working condition. And (3) negative pressure light rain working condition: the user is simulated to rain in the driving process, and water is sucked into the vehicle through the gap and the cavity by the formed negative pressure according to the Bernoulli principle. The vehicle tail gas discharge working condition is as follows: and igniting the vehicle, circulating the air conditioner to the maximum air volume, and checking whether the negative pressure formed when the air is introduced from the outside can suck water into the air inlet of the air conditioner.

In conclusion, the whole vehicle water sealing test equipment can simulate various vehicle postures, and when the vehicle is twisted, the matching state of parts changes, so that water leakage is easier. The device can simulate different rainfall and rainfall time, can simulate the state of high-pressure water washing, and can simulate negative pressure water absorption and air conditioner air inlet water absorption during driving in rainy days. Through the leakproofness of detecting whole car part matching, avoid rivers to flow into on cockpit and the electric spare part, improve vehicle performance.

The foregoing is merely a preferred embodiment of this invention, which is intended to be illustrative, and not limiting. The structure, the connection mode and the like of all the components in the utility model can be changed, and the equivalent transformation and the improvement on the basis of the technical scheme of the utility model are not excluded from the protection scope of the utility model.

Claims

1. A universal water seal test device for a whole vehicle is characterized by comprising a test cabin, a spraying system and a vehicle attitude simulation system;

2. The universal whole vehicle water seal test device as claimed in claim 1, wherein the side spraying mechanism and the top spraying mechanism each comprise a plurality of groups of spraying pipes arranged on the same plane, each group of spraying pipes comprises a plurality of spraying pipes with different pipe diameters, the spraying pipes with different pipe diameters are matched with water pumps with different powers, and a plurality of nozzles are uniformly distributed on each spraying pipe along the length direction of the spraying pipe.

3. The universal whole vehicle water seal test device as claimed in claim 2, wherein the side spraying mechanism and the top spraying mechanism further comprise a distance adjusting mechanism, the distance adjusting mechanism comprises a motor, an ultrasonic sensor, a controller and a telescopic bracket, the ultrasonic sensor is connected with the controller, the controller is connected with the motor, the motor is connected with the telescopic bracket, and the telescopic bracket is connected with the plurality of groups of spraying pipes; the ultrasonic sensor is used for detecting the position of the automobile body of the automobile, and the telescopic bracket is driven to adjust the positions of the multiple groups of spraying pipes according to the position of the automobile body.

4. The universal vehicle water seal test device as claimed in claim 3, wherein the number of the side spraying mechanisms is two, and the two side spraying mechanisms are respectively fixed on two opposite inner side walls of the test chamber, and each group of the spraying pipes is five.

5. The universal whole vehicle water seal test device as claimed in claim 3, wherein the telescopic bracket comprises two fixed slide rails and an X-shaped scissors bracket, one of the fixed slide rails is fixed on the inner wall of the test chamber, the other fixed slide rail is fixedly connected with the plurality of groups of spray pipes, the two ends of the X-shaped scissors bracket are respectively connected with the two fixed slide rails, one end of each of the two sides is respectively connected with the two fixed slide rails in a sliding manner, the other end of each of the two sides is respectively hinged on the two fixed slide rails, and the motor drives the sliding end of the X-shaped scissors bracket to slide along the fixed slide rails through a transmission mechanism.

6. The universal whole vehicle water seal test device as claimed in claim 1, wherein the attitude simulation mechanism comprises six electric telescopic pillars, wherein the bottoms of two electric telescopic pillars are fixed at the front part of the upper end surface of the hydraulic lifting mechanism, and the bottoms of the other four electric telescopic pillars are fixed at the rear part of the upper end surface of the hydraulic lifting mechanism.

7. The universal vehicle water seal test device as claimed in claim 1, wherein the vehicle bearing plate of the attitude simulation mechanism is provided with a wheel alignment mechanism.

8. The universal whole vehicle water sealing test device as claimed in claim 1, wherein a drainage device is laid on the ground in the test chamber, and the drainage device is connected with the water supply circulation pipeline to recycle the accumulated water on the ground.