CN210513560U

CN210513560U - Novel water tightness test bench

Info

Publication number: CN210513560U
Application number: CN201921988317.5U
Authority: CN
Inventors: 仝林辉; 李学忠
Original assignee: Binzhou Dongli Stainless Steel Product Co ltd
Current assignee: Binzhou Dongli Stainless Steel Product Co ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-05-12
Anticipated expiration: 2029-11-18

Abstract

The utility model discloses a novel water tightness testboard, including the testboard main part, be provided with the closing device that the bisymmetry set up in the testboard main part, be connected with water injection unit, exhaust unit and backward flow unit on every closing device respectively. The utility model discloses a setting up the upper and lower pressure disk that the cooperation was used, having realized the shutoff of butt joint for be encapsulated situation in the joint, through setting up the hydro-cylinder, realized reciprocating of last pressure disk to and the fixed of butt joint, through setting up the exhaust unit, realized the discharge of joint inner air, through setting up the water injection unit, realized the injection of joint inner water, through setting up the return water unit, realized the recovery of water, the utility model discloses can test the water proofness shape of butt joint, filled prior art's blank.

Description

Novel water tightness test bench

Technical Field

The utility model relates to a test equipment, concretely relates to novel water tightness testboard belongs to and connects test equipment technical field.

Background

The joint is a component for connecting water pipes. The water pipe joint can be divided into: external thread end connection type water pipe joint, cutting sleeve type water pipe joint and self-fixing type water pipe joint.

The external thread end-connected water pipe joint is formed by die casting zinc alloy or stainless steel materials, and the surface is galvanized, sanded or chromed; compact structure, no air hole and high strength.

But the tightness of the joint is the most important for the performance and quality of the joint and therefore requires rigorous testing, however, there is no prior art device for testing the tightness of the joint.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's the aforesaid not enough, provide a novel water tightness testboard that can detect joint leakproofness.

In order to solve the above problem, the utility model adopts the following technical scheme: the utility model provides a novel water tightness testboard, includes the testboard main part, is provided with the closing device that the bisymmetry set up in the testboard main part, is connected with water injection unit, exhaust unit and backward flow unit on every closing device respectively.

The following is the utility model discloses to the further optimization of above-mentioned scheme: the pressing device comprises an oil cylinder arranged on the test board main body, an oil pump is connected to the oil cylinder, and the oil pump is installed at the bottom of the test board main body.

Further optimization: an upper pressure plate is installed at the telescopic end of the oil cylinder, and a lower pressure plate matched with the upper pressure plate for use is installed at a position, close to the lower portion of the upper pressure plate, on the test board main body.

Further optimization: the water injection unit comprises a hole formed in the position, close to the middle, of the lower pressure plate, and a water injection pipe is connected to the hole.

Further optimization: the water injection pipe is connected with a three-way valve, and the three-way valve is connected with a booster pump through a water outlet pipe.

Further optimization: the booster pump is connected with the cask through the inlet tube, and the cask setting is bottom in the testboard main part, contains water in the cask.

Further optimization: the backflow unit comprises a water return pipe connected with a three-way valve, and the water return pipe is communicated with the water bucket.

Further optimization: the exhaust unit comprises holes which are formed in the upper pressure plate and close to the middle of the upper pressure plate, exhaust pipes are connected to the holes, and arc-shaped grooves are formed in the positions, close to the holes, of the lower end face of the upper pressure plate.

Further optimization: the exhaust pipe is connected with a two-way valve, and the two-way valve is communicated with the water barrel.

When the automatic water injection device is used, the booster pump and the oil pump are started, the joint is placed on the lower pressure plate, then the oil pump is controlled to extend, the upper pressure plate is pressed on the joint, the two-way valve is rotated, the three-way valve is rotated to inject water into the joint, after air in the joint is exhausted, the two-way valve is rotated to a closed state, the water in the joint reaches a certain pressure, and the three-way valve is rotated to the closed state;

after the test is finished, the three-way valve is rotated to open the water return pipe, the two-way valve is rotated to open the exhaust pipe, water in the joint flows into the water barrel, the oil cylinder is contracted to drive the upper pressure plate to be away from the joint, and the joint is taken down.

The utility model discloses a setting up the upper and lower pressure disk that the cooperation was used, having realized the shutoff of butt joint for be encapsulated situation in the joint, through setting up the hydro-cylinder, realized reciprocating of last pressure disk to and the fixed of butt joint, through setting up the exhaust unit, realized the discharge of joint inner air, through setting up the water injection unit, realized the injection of joint inner water, through setting up the return water unit, realized the recovery of water, the utility model discloses can test the water proofness shape of butt joint, filled prior art's blank.

The present invention will be further explained with reference to the drawings and examples.

Drawings

Fig. 1 is a schematic structural diagram of the present invention in an embodiment.

In the figure: 1-a test bench main body; 2-testing the pressure gauge; 3-oil cylinder; 4-oil cylinder pressure gauge; 5-an upper platen; 6-a lower platen; 7-a two-way valve; 8-three-way valve; 9-a bucket; 10-a booster pump; 11-an oil pump; 12-an exhaust pipe; 13-a water return pipe; 14-a water inlet pipe; 15-water outlet pipe; 16-water injection pipe.

Detailed Description

In the embodiment, as shown in fig. 1, the novel water tightness test bench comprises a test bench main body 1, wherein two symmetrically arranged pressing devices are arranged on the test bench main body 1, and each pressing device is connected with a water injection unit, an exhaust unit and a backflow unit.

The pressing device comprises an oil cylinder 3 arranged on the test board main body 1, an oil pump 11 is connected to the oil cylinder 3, the oil pump 11 is installed at the bottom of the test board main body 1, and the oil pump 11 drives the oil cylinder 3 to stretch.

The telescopic end of the oil cylinder 3 is fixedly provided with an upper pressure plate 5, a lower pressure plate 6 matched with the upper pressure plate 5 for use is fixedly arranged at a position, close to the lower part of the upper pressure plate 5, on the test board main body 1, and the design is convenient for plugging two ends of a joint to be tested.

The water injection unit comprises a hole formed in the position, close to the middle, of each lower pressure plate 6, and a water injection pipe 16 is connected to the hole, so that water is injected into the joint to be tested conveniently.

One end of each water injection pipe 16, which is far away from the lower pressure plate 6, is connected with a three-way valve 8, the two-way valve 8 is connected with the three-way valve through a pipeline, and the pipeline is connected with a booster pump 10 through a water outlet pipe 15, so that the design is convenient for the flow of water.

The water inlet end of the booster pump 10 is connected with a water bucket 9 through a water inlet pipe 14, the water bucket 9 is arranged at the bottom in the test board main body 1, and water is filled in the water bucket 9.

The backflow unit comprises a water return pipe 13 connected with the three-way valve 8, the water return pipe 13 is communicated with the water bucket 9, and the water in the connector is convenient to recover after the test.

The exhaust unit comprises holes which are formed in the positions, close to the middle, of each upper pressure plate 5, the holes are connected with exhaust pipes 12 respectively, arc-shaped grooves are formed in the positions, close to the holes, of the lower end face of each upper pressure plate 5, and therefore the exhaust unit is convenient to collect and exhaust gas.

And one end of each exhaust pipe 12, which is far away from the upper pressure plate 5, is connected with a two-way valve 7, so that the on-off of the exhaust pipes 12 can be controlled.

The two-way valves 7 are connected through a pipeline, and the pipeline is communicated with the water bucket 9, so that the water flow brought out by the exhaust gas can return to the water bucket 9 conveniently.

The two exhaust pipes 12 are respectively connected with a test pressure gauge 2, and the two test pressure gauges 2 are symmetrically arranged on the test board main body 1, so that the design is convenient for observing the numerical value of the water pressure in the joint.

And the oil pump 11 is connected with an oil cylinder pressure gauge 4 for observing the pressure of hydraulic oil, and the oil pump 11 and the booster pump 10 are respectively connected with a switch for controlling the on-off of the oil pump 11 and the booster pump 10.

Electromagnetic valves are respectively arranged between the oil pump 11 and the two oil cylinders 3, and buttons are connected to the electromagnetic valves, so that the oil pump 11 is controlled to move up and down.

When the automatic water injection device is used, the booster pump 10 and the oil pump 11 are started, the joint is placed on the lower pressure plate 6, then the oil pump 11 is controlled to extend to press the upper pressure plate 5 on the joint, the two-way valve 7 is rotated, the three-way valve 8 is rotated to inject water into the joint, after air in the joint is exhausted, the two-way valve 7 is rotated to a closed state, the water in the joint reaches a certain pressure, and the three-way valve 8 is rotated to the closed state;

after the test is finished, the three-way valve 8 is rotated to open the water return pipe 13, the two-way valve 7 is rotated to open the exhaust pipe 12, so that water in the joint flows into the water barrel 9, then the oil cylinder 3 is contracted to drive the upper pressure plate 5 to leave the joint, and the joint is taken down.

Having shown and described the basic principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention 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, and it is therefore intended that the embodiments be considered as exemplary and not limiting in any way, since the scope of the invention is defined 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 and are therefore not to be embraced therein by any reference numerals in the claims.

Claims

1. The utility model provides a novel water tightness test bench, includes test bench main part (1), its characterized in that: the test board main body (1) is provided with two symmetrically arranged pressing devices, and each pressing device is connected with a water injection unit, an exhaust unit and a backflow unit.

2. The novel water tightness test bench according to claim 1, characterized in that: the pressing device comprises an oil cylinder (3) arranged on the test board main body (1), an oil pump (11) is connected to the oil cylinder (3), and the oil pump (11) is installed at the bottom of the test board main body (1).

3. The novel water tightness test bench according to claim 2, characterized in that: last pressure disk (5) are installed to the flexible end of hydro-cylinder (3), and pressure disk (6) down after using with last pressure disk (5) cooperation are installed to the position that is close to last pressure disk (5) below on testboard main part (1).

4. A novel water tightness test bench according to claim 3, characterized in that: the water injection unit comprises a lower pressure plate (6) and a hole formed in the position, close to the middle, of the lower pressure plate, and a water injection pipe (16) is connected to the hole.

5. The novel water tightness test bench according to claim 4, characterized in that: the water injection pipe (16) is connected with a three-way valve (8), and the three-way valve (8) is connected with a booster pump (10) through a water outlet pipe (15).

6. The novel water tightness test bench according to claim 5, characterized in that: the booster pump (10) is connected with a water bucket (9) through a water inlet pipe (14), the water bucket (9) is arranged at the bottom in the test board main body (1), and water is contained in the water bucket (9).

7. The novel water tightness test bench according to claim 6, characterized in that: the backflow unit comprises a water return pipe (13) connected with a three-way valve (8), and the water return pipe (13) is communicated with the water bucket (9).

8. The novel water tightness test bench according to claim 7, characterized in that: the exhaust unit comprises holes which are formed in the upper pressure plate (5) and close to the middle of the upper pressure plate, the holes are connected with exhaust pipes (12), and arc-shaped grooves are formed in the positions, close to the holes, of the lower end face of the upper pressure plate (5) respectively.

9. The novel water tightness test bench according to claim 8, characterized in that: the exhaust pipe (12) is connected with a two-way valve (7), and the two-way valve (7) is communicated with the water barrel (9).