CN215726637U

CN215726637U - Air conditioning test bed for air tightness test of ground equipment

Info

Publication number: CN215726637U
Application number: CN202122014490.9U
Authority: CN
Inventors: 宣朋志; 胡欣; 万斌; 黄建
Original assignee: Jiangxi Hongdu International Electromechanical Co ltd
Current assignee: Jiangxi Hongdu International Electromechanical Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-02-01
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses a cold air test bed for testing the air tightness of ground equipment, which comprises a test bed; the water tank has been seted up in the left side of test bench upper surface, the top of test bench front side is provided with first manometer and second manometer, the left side of second manometer is arranged in to first manometer, the upper end of test bench front side is provided with first switch and second switch, the left side of second switch is arranged in to first switch, the right lower extreme of test bench front side is provided with accomodates the groove, the bottom inner wall fixed mounting who accomodates the groove has the air pump. The air inlet pressure can be displayed through the first pressure gauge and the second pressure gauge, the air inlet pressure can be adjusted through the combination of the air pressure reducer and the pressure regulator, and the components can be placed in the water tank for air tightness test through the combination of the experiment switch joint A, the experiment switch joint B and the water tank, so that the structure is simple and the use precision is high.

Description

Air conditioning test bed for air tightness test of ground equipment

Technical Field

The utility model relates to the technical field of test equipment, in particular to a cold air test bed for testing the air tightness of ground equipment.

Background

The problems of cracks, broken holes and the like can occur in the production and manufacturing process of the parts, so that the problem of poor sealing is caused, and the problem of poor sealing caused by the improper assembly of the parts in the whole machine assembly can also occur. In the prior art, when the tightness of a product part and a product assembly part is tested, a test air passage is firstly constructed on the part or the assembly part, then air flow with certain air pressure is supplied to the test air passage, then air supply is closed, the air pressure condition of the test air passage is detected through an air pressure gauge, if the air pressure is still kept unchanged, the air tightness is good, and if the air pressure is reduced, the air tightness is poor.

The indexing turntable is correspondingly provided with a taking-out station and at least one testing station, a positioning seat for positioning a tested product is fixedly arranged on the indexing turntable corresponding to each station, a testing mechanism is arranged on each testing station, the testing mechanism comprises a vertically-advancing first air cylinder positioned above the testing station, the tail end of a piston rod of the first air cylinder is fixedly connected with an air nozzle, the air nozzle is communicated with an air supply pipe and a nozzle opening of the air nozzle, and the air supply pipe can be communicated with an air source.

In the process of realizing the utility model, the inventor finds that at least the following problems in the prior art are not solved, and the air tightness detection is realized by directly connecting the gas cylinder with the conversion connector and then connecting the gas cylinder with the test piece, so that the air pressure regulation is not stable, and certain potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cold air test bed for air tightness test of ground equipment, which solves the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a cold air test bed for testing the air tightness of ground equipment comprises a test bed;

the water tank is arranged on the left side of the upper surface of the test bed, the first pressure gauge and the second pressure gauge are arranged at the top end of the front side of the test bed, the first pressure gauge is arranged on the left side of the second pressure gauge, the first switch and the second switch are arranged at the upper end of the front side of the test bed, the first switch is arranged on the left side of the second switch, the accommodating groove is arranged at the lower right end of the front side of the test bed, the air pump is fixedly arranged on the inner wall of the bottom end of the accommodating groove, the air pressure reducer is fixedly arranged in the middle of the inner wall of the left side of the accommodating groove, the pressure regulator is fixedly arranged in the middle of the inner wall of the rear side of the accommodating groove, the air outlet pipe on the left side of the air pump is communicated with the air pressure reducer, the first high-pressure hose and the second high-pressure hose are respectively communicated with the upper end of the left side of the test bed, and the bottom ends of the first high-pressure hose and the second high-pressure hose are respectively communicated with the experiment switch joint A and the experiment switch joint B, and a button panel is arranged at the upper right end of the front side of the test bed.

In a preferred embodiment of the present invention, an air filter is fixedly installed at a lower end of a right side of the test stand, and an air inlet pipe at a right side of the air pump is communicated with the air filter.

In a preferred embodiment of the present invention, a cover plate is rotatably connected to the top end of the left side of the sink through a hinge, and the cover plate is matched with the size of the sink.

In a preferred embodiment of the present invention, a storage box is fixedly attached to an upper end of a left side of the test bed.

In a preferred embodiment of the present invention, the input end of the button panel is electrically connected to an external power source through a wire, and the output end of the button panel is electrically connected to the input end of the air pump through a wire.

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

1. according to the cold air test bed for the air tightness test of the ground equipment, disclosed by the utility model, the air inlet pressure can be displayed through the first pressure gauge and the second pressure gauge, the air inlet pressure can be regulated through the combination of the air pressure reducer and the pressure regulator, and the air tightness test can be carried out by placing components in the water tank through the combination of the experiment switch joint A, the experiment switch joint B and the water tank, so that the structure is simple, and the use precision is high.

2. According to the cold air test bed for testing the air tightness of the ground equipment, the air inlet pipe on the right side of the air pump is communicated with the air filter, so that the air can be filtered, and the using effect is improved.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a front view of a cold air test bed for air tightness test of a ground equipment according to the present invention;

FIG. 2 is a circuit diagram of a cold air test bed for air tightness test of a ground equipment according to the present invention.

In the figure: the test bench comprises a test bench 1, a water tank 2, a first pressure gauge 3, a second pressure gauge 4, a first switch 5, a second switch 6, a containing groove 7, an air pump 8, an air pressure reducer 9, a pressure regulator 10, an air filter 11, an air inlet pipe 12, an air outlet pipe 13, a first high-pressure hose 14, a second high-pressure hose 15, an experiment switch joint A16, an experiment switch joint B17, a containing box 18, a cover plate 19 and a button panel 20.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the type of the electrical appliance provided by the utility model is only used for reference. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-2, the present invention provides a technical solution: a cold air test bed for testing the air tightness of ground equipment comprises a test bed 1;

basin 2 has been seted up in the left side of 1 upper surface of test bench, the top of 1 front side of test bench is provided with first manometer 3 and second manometer 4, the left side of second manometer 4 is arranged in to first manometer 3, the upper end of 1 front side of test bench is provided with first switch 5 and second switch 6, second switch 6's left side is arranged in to first switch 5, the right lower extreme of 1 front side of test bench is provided with accomodates groove 7, accomodate the bottom inner wall fixed mounting of groove 7 has air pump 8, accomodate the middle part fixed mounting of groove 7 left side inner wall has air pressure reducer 9, accomodate the middle part fixed mounting of groove 7 rear side inner wall has voltage regulator 10, the left outlet duct 13 and the air pressure reducer 9 intercommunication of air pump 8, 1 left upper end of test bench communicates first high-pressure hose 14 and second high-pressure hose 15 respectively, the bottom of first high-pressure hose 14 and second high-pressure hose 15 communicates experiment switch joint A16 and experiment 899 and experiment And a switch connector B17, wherein the upper right end of the front side of the test bed 1 is provided with a button panel 20.

In this embodiment (as shown in fig. 1-2), can show inlet air pressure through first manometer 3 and second manometer 4, through the combination of air pressure reducer 9 and voltage regulator 10, can adjust inlet air pressure, through the combination of experiment switch joint A16, experiment switch joint B17 and basin 2, can place the part and carry out the gas tightness test in basin 2, simple structure, the use precision is high.

In this embodiment (please refer to fig. 1), an air filter 11 is fixedly installed at the lower end of the right side of the test bed 1, and an air inlet pipe 12 at the right side of the air pump 8 is communicated with the air filter 11, so that air can be filtered, and the use effect is improved.

In this embodiment (see fig. 1), the top end of the left side of the water tank 2 is rotatably connected with a cover plate 19 through a hinge, and the cover plate 19 is matched with the size of the water tank 2 to protect the water tank 2.

In this embodiment (see fig. 1), a placing box 18 is fixedly mounted at the upper end of the left side of the test bed 1, and can accommodate an experiment switch connector a16 and an experiment switch connector B17.

In this embodiment (see fig. 1-2), the input end of the button panel 20 is electrically connected to an external power source through a wire, the output end of the button panel 20 is electrically connected to the input end of the air pump 8 through a wire, and the button panel 20 can control the operation of the air pump 8.

It should be noted that the utility model is a cold air test bed for testing the air tightness of ground equipment, comprising a test bed 1, a water tank 2, a first pressure gauge 3, a second pressure gauge 4, a first switch 5, a second switch 6, a containing groove 7, an air pump 8, an air pressure reducer 9, a pressure regulator 10, an air filter 11, an air inlet pipe 12, an air outlet pipe 13, a first high-pressure hose 14, a second high-pressure hose 15, an experiment switch joint A16, an experiment switch joint B17, a placing box 18, a cover plate 19, a button panel 20, all of which are universal standard parts or parts known by technicians in the field, the structure and principle of which are known by technicians in the field or conventional experiment methods, the air pump 8 is controlled to work during work, air can be filtered by the air filter 11, the air inlet pressure can be displayed by the first pressure gauge 3, the air pressure can reach the required pressure value by adjusting the air pressure reducer 9, the test switch connector A16 is connected with a test piece, the test piece is placed in the test water tank 2 filled with water, and the air tightness detection can be carried out according to the regulation by opening the first switch 5. If the required pressure is a small pressure value (0-0.6MPa), the second switch 6 is opened and the first switch 5 is closed, the second pressure gauge 4 displays the required pressure value by adjusting the pressure regulator 10, the test switch joint B17 is connected with the test piece, the test piece is placed in the test water tank 2 filled with water, and the air tightness detection can be carried out according to the specification.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A cold air test bed for air tightness test of ground equipment is characterized by comprising a test bed (1);

the water tank (2) is arranged on the left side of the upper surface of the test bed (1), a first pressure gauge (3) and a second pressure gauge (4) are arranged at the top end of the front side of the test bed (1), the left side of the second pressure gauge (4) is arranged in the first pressure gauge (3), a first switch (5) and a second switch (6) are arranged at the upper end of the front side of the test bed (1), the first switch (5) is arranged on the left side of the second switch (6), a storage groove (7) is arranged at the right lower end of the front side of the test bed (1), an air pump (8) is fixedly installed on the inner wall of the bottom end of the storage groove (7), an air pressure regulator (9) is fixedly installed in the middle of the inner wall of the left side of the storage groove (7), an air pressure regulator (10) is fixedly installed in the middle of the inner wall of the rear side of the storage groove (7), and an air outlet pipe (13) on the left side of the air pump (8) is communicated with the air pressure regulator (9), the left upper end of test bench (1) communicates respectively has first high-pressure hose (14) and second high-pressure hose (15), the bottom of first high-pressure hose (14) and second high-pressure hose (15) communicates respectively has experiment switch joint A (16) and experiment switch joint B (17), the upper right end of test bench (1) front side is provided with button panel (20).

2. A cold air test stand for airtightness testing of floor equipment according to claim 1, wherein: the air pump is characterized in that an air filter (11) is fixedly mounted at the lower end of the right side of the test bed (1), and an air inlet pipe (12) at the right side of the air pump (8) is communicated with the air filter (11).

3. A cold air test stand for airtightness testing of floor equipment according to claim 1, wherein: the water tank is characterized in that the top end of the left side of the water tank (2) is rotatably connected with a cover plate (19) through a hinge, and the cover plate (19) is matched with the water tank (2) in size.

4. A cold air test stand for airtightness testing of floor equipment according to claim 1, wherein: the upper end of the left side of the test bed (1) is fixedly provided with a placing box (18).

5. A cold air test stand for airtightness testing of floor equipment according to claim 1, wherein: the input end of the button panel (20) is electrically connected with an external power supply through a wire, and the output end of the button panel (20) is electrically connected with the input end of the air pump (8) through a wire.