CN212301090U

CN212301090U - Pipe fitting pressure testing device

Info

Publication number: CN212301090U
Application number: CN202020668802.0U
Authority: CN
Inventors: 王燕丽; 陈世伟; 陈彪龙; 黄世梁
Original assignee: Fujian Haiyang Valve Technology Co ltd
Current assignee: Fujian Haiyang Valve Technology Co ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2021-01-05
Anticipated expiration: 2030-04-27

Abstract

The utility model provides a simple structure, low in production cost can get rid of the aquatic bubble, improve the pipe fitting pressure test device of pressure test precision, which comprises a frame, the vertical pressure pipe that is provided with in the frame, the pressure pipe is made for transparent material and is provided with the sign that is used for showing water level height on the pressure pipe, the lower tip of pressure pipe is connected with the test tube who is used for inserting the examination pipe fitting that awaits measuring, the intercommunication is provided with the water injection pipe on the pressure pipe, be provided with the governing valve that intakes on the water injection pipe, be provided with the aqueous vapor separator who is used for discharging the bubble water on the water injection pipe.

Description

Pipe fitting pressure testing device

Technical Field

The utility model relates to a valve test technical field, in particular to pipe fitting pressure test device.

Background

After the pipe fitting is designed and manufactured, the pipe fitting is generally required to be tested for pressure bearing capacity, and the first is to know the performance of the pipeline conveniently so as to adjust the design and manufacturing process. On the other hand, the quality of the pipe fitting can be checked whether to reach the standard or not. Present test mode through hydraulic pressure, during the pipe fitting with the test inserts the test tube, the vertical pressure pipe that has the high sign of water level that sets up on the test tube, the pressure pipe is linked together with the test tube, the injected water in the net pressure pipe, the height of the intraductal water level of siphunculus observation pressure, the pressure value that the pipe fitting that just can learn the test bore, the lower tip that is connected to the pressure pipe by a water injection pipe is the pressure pipe water injection usually, water is when the pressure pipe of flowing into, can sneak into partial bubble usually, these bubbles have led to the pressure of pressure pipe can not be stable, lead to operating personnel hardly audio-visual height through the interior water level of observation pressure pipe and directly obtain the pressure size of current water to the pipe fitting.

SUMMERY OF THE UTILITY MODEL

Therefore, to foretell problem, the utility model provides a simple structure, low in production cost can get rid of the aquatic bubble, improve the pipe fitting pressure test device of pressure test precision.

In order to realize the technical problem, the utility model discloses the solution who takes is pipe fitting pressure test device, which comprises a frame, the vertical pressure pipe that is provided with in the frame, the pressure pipe is made for transparent material and is provided with the sign that is used for expressing water level height on the pressure pipe, the lower tip of pressure pipe is connected with the test pipeline that is used for inserting the examination pipe fitting that awaits measuring, the intercommunication is provided with the water injection pipe on the pressure pipe, be provided with into water governing valve on the water injection pipe, be provided with the aqueous vapor separator who is used for discharging the bubble water on the water injection pipe.

The further improvement is that: the water-gas separation device comprises a tank body, the water injection pipe comprises a first pipeline for injecting water into the tank body and a second pipeline for injecting water into the pressure pipe from the tank body, the water outlet end of the first pipeline is higher than the water inlet end of the second pipeline, the upper end part of the tank body is provided with a ventilation through hole, the water inlet regulating valve is arranged on the second pipeline, and the first pipeline is provided with a water supply regulating valve.

The further improvement is that: the first pipeline penetrates through the lower end part of the tank body from bottom to top.

The further improvement is that: the jar body is located wear to be equipped with first blast pipe on the ventilative through-hole, first blast pipe with jar body is linked together, be provided with exhaust governing valve on the first blast pipe.

The further improvement is that: the water storage device is characterized in that a water storage tank is arranged on the rack and is arranged below the test pipeline, water flowing out of the pressure pipeline and the test pipeline can flow into the water storage tank, and a water pump for pumping the water in the water storage tank into the water injection pipe is arranged on the rack.

The further improvement is that: a partition plate is arranged between the water storage tank and the test pipeline, and a plurality of water through holes for supplying water to flow into the water storage tank from the partition plate are formed in the partition plate.

The further improvement is that: and a filter screen is laid on the upper end face of the partition plate.

The further improvement is that: the upper end and the lower end of the pressure pipe are communicated with a drain pipe, and a drain regulating valve is arranged on the drain pipe.

The further improvement is that: and the test pipeline is provided with a test regulating valve.

By adopting the technical scheme, the beneficial effects of the utility model are that: the air in the water can be effectively discharged, and the problem that the pressure is unstable during pressure test and the test data is inaccurate due to the fact that the air is mixed into the water is avoided; the efficiency of pipe fitting pressure measurement has been improved.

Drawings

Fig. 1 is a schematic structural diagram of a pipe fitting pressure testing device according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a water-gas separation device according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a test pipeline according to an embodiment of the present invention.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and specific embodiments.

Example (b):

referring to fig. 1 and 2, disclosed in the embodiment of the present invention is a pipe fitting pressure testing device, including a frame 1, a pressure pipe 4 is vertically disposed on the frame 1, the pressure pipe 4 is made of glass material and is provided with a mark for indicating water level height on the pressure pipe 4, a testing pipeline 42 for connecting a pipe fitting to be tested is connected to the lower end of the pressure pipe 4, a testing regulating valve 421 is disposed on the testing pipeline 42, a tank 31 and a water storage tank 2 are disposed on the frame 1, a first pipeline 32 is disposed through the lower end of the tank 31 from bottom to top for better discharging gas, a water supply regulating valve 321 is disposed on the first pipeline 32, a water pump 21 for pumping water in the water storage tank 2 into the first pipeline 32 is disposed on the frame 1, a main control system 14 for controlling the water pump 21 is further disposed on the frame 1, water in the water storage tank 2 flows into the tank 31 through the first pipeline 32, the arrangement of the first pipe 32 from bottom to top makes the water and the air bubbles have inertia of upward movement, and the water is downward under the action of gravity, and the air bubbles are less influenced by gravity factors, so that the air bubbles can be better separated from the water.

Be provided with second pipeline 33 in the frame 1, second pipeline 33 intercommunication jar body 31 and pressure pipe 4, be provided with into water governing valve 331 on the second pipeline 33, second pipeline 33 and jar body 31 intercommunication department are located the below of first pipeline 32 water outlet end, ventilative through-hole has been seted up to jar body 31 upper end, jar body 31 is located ventilative through-hole and is provided with first exhaust pipe 34, be provided with exhaust governing valve 341 on the first exhaust pipe 34. After the water supply regulating valve 321, the test regulating valve 421 and the exhaust regulating valve 341 are opened, the air bubbles in the water are discharged into the tank 31 and discharged by the first exhaust pipe 34 after the water flows out from the first pipeline 32, the water flows downwards under the action of gravity and flows into the pressure pipe 4 through the second pipeline 33, the pressure pipe 4 is connected with two test pipelines 42 and one drain pipe 43, and the drain pipe 43 is provided with a drain regulating valve 431. In this embodiment, one of the test pipelines 42 is installed with the check valve 55 to be tested, the water pressure required when testing the check valve 55 to open, when testing the check valve 55, close the water discharge regulating valve 431, when the water in the second pipeline 33 flows into the pressure pipe 4, when the water pressure in the pressure pipe 4 is not enough to press the check valve 55 to open, then the water level in the pressure pipe 4 rises continuously, when the water level rises enough to open the check valve 55, then reach the balance point, close the water supply regulating valve 321 first, close the water inlet regulating valve 331 again, when the water level in the pressure pipe 4 remains unchanged, at this moment, the operator can learn that the check valve 55 opens the required water pressure value through observing the position of the water level, after the test is finished, open the water discharge regulating valve 431 to empty the water in the pressure pipe 4, so as to facilitate the next test.

In order to avoid the waste of water resource, the catch basin 2 sets up in the below of test pipeline 42, the position that sets up of catch basin 2 can supply and drain pipe 43 and the water inflow that test pipeline 42 flows out, in order to avoid the water in the catch basin 2 to receive the pollution, be provided with baffle 11 between catch basin 2 and the test pipeline 42, a plurality of water supplies have been seted up to baffle 11 and have been flowed into limbers 12 of catch basin 2 from baffle 11, filter screen 13 has been laid to the up end of baffle 11.

In order to avoid storing full water when pressure pipe 4, its water pressure still can't open check valve 55, and the water that leads to spills over from pressure pipe 4, leads to the board all to be water stain everywhere, and the rivers that overflow even are electric on, cause the incident, the upper end intercommunication of pressure pipe 4 is provided with the second blast pipe, the play water end of second blast pipe set up in the top of filter screen 13.

Modifications and variations of the present invention are within the scope of the claims and are not limited by the disclosure of the embodiments.

Claims

1. Pipe fitting pressure test device, which comprises a frame, the vertical pressure pipe that is provided with in the frame, the pressure pipe is made for transparent material and is provided with the sign that is used for expressing the water level height on the pressure pipe, the lower tip of pressure pipe is connected with the test tube who is used for inserting the examination pipe fitting that awaits measuring, the intercommunication is provided with the water injection pipe on the pressure pipe, be provided with into water governing valve, its characterized in that on the water injection pipe: and a water-gas separation device for discharging bubbles is arranged on the water injection pipe.

2. The tubular pressure testing apparatus of claim 1, wherein: the water-gas separation device comprises a tank body, the water injection pipe comprises a first pipeline for injecting water into the tank body and a second pipeline for injecting water into the pressure pipe from the tank body, the water outlet end of the first pipeline is higher than the water inlet end of the second pipeline, the upper end part of the tank body is provided with a ventilation through hole, the water inlet regulating valve is arranged on the second pipeline, and the first pipeline is provided with a water supply regulating valve.

3. The tubular pressure testing apparatus of claim 2, wherein: the first pipeline penetrates through the lower end part of the tank body from bottom to top.

4. The tubular pressure testing apparatus of claim 2, wherein: the jar body is located wear to be equipped with first blast pipe on the ventilative through-hole, first blast pipe with jar body is linked together, be provided with exhaust governing valve on the first blast pipe.

5. The tubular pressure testing apparatus of claim 1, wherein: the water storage device is characterized in that a water storage tank is arranged on the rack and is arranged below the test pipeline, water flowing out of the pressure pipeline and the test pipeline can flow into the water storage tank, and a water pump for pumping the water in the water storage tank into the water injection pipe is arranged on the rack.

6. The tubular pressure testing apparatus of claim 5, wherein: a partition plate is arranged between the water storage tank and the test pipeline, and a plurality of water through holes for supplying water to flow into the water storage tank from the partition plate are formed in the partition plate.

7. The tubular pressure testing apparatus of claim 6, wherein: and a filter screen is laid on the upper end face of the partition plate.

8. The tubular pressure testing apparatus of claim 1, wherein: the upper end and the lower end of the pressure pipe are communicated with a drain pipe, and a drain regulating valve is arranged on the drain pipe.

9. The tubular pressure testing apparatus of claim 1, wherein: and the test pipeline is provided with a test regulating valve.