CN211013422U - A kind of pipe fittings sealing water pressure testing equipment - Google Patents

Abstract

The utility model discloses a water pressure detection device for the airtightness of a pipe fitting, which comprises a pipe fitting fixing fixture, a power mechanism and a detection mechanism. There is a water pump in the mechanism, the right end of the water pump is connected to the water tank, the left end of the water pump is connected to the valve through a connecting pipe, a sealing ring is set inside the valve, and the left side of the sealing ring is the detection mechanism, and the upper end of the detection mechanism is connected to the booster pump through the booster water pipe, and the booster water pipe The bottom end and the outer end of the heat pipe are provided with pressure gauges, and the left end of the heat pipe is a fixed valve; the lower end of the detection mechanism is connected to the water outlet pipe through the water outlet valve. The water is sent back to the water tank to complete the water recycling after detection. This device can pay attention to the pressure changes in the pipeline in time. In addition, the water pump is used to recycle the water resources to improve the water utilization rate and save costs. Finally, the pipeline is fixed by a clamp to facilitate the detection.

Description

A kind of pipe fittings sealing water pressure testing equipment

technical field

The utility model relates to the technical field of heat pipes, in particular to a water pressure detection device for the tightness of a pipe fitting.

Background technique

A pipeline is a device for conveying gas, liquid or fluid with solid particles connected by pipes, pipe joints and valves. Usually, after the fluid is pressurized by blowers, compressors, pumps and boilers, it flows from the high pressure of the pipeline to the low pressure, and the fluid can also be transported by its own pressure or gravity. Pipelines are widely used, mainly in water supply, drainage, heating, gas supply, long-distance transportation of oil and natural gas, agricultural irrigation, hydraulic engineering and various industrial installations. The utility model is aimed at a heat pipe, namely a heat pipe, which is used in heat transmission. After the heat pipe is processed, in order to test the sealing and pressure resistance of the heat pipe, a series of sealing tests should be carried out on the heat pipe.

In the current sealing test of pipe fittings, most of them use high-pressure gas to pass through the interior of the pipe fittings to detect their tightness. This detection method requires the pipe fittings to be placed in water to observe whether there are bubbles emerging, or to compare the input air pressure with the output air pressure to determine whether its tightness is correct or not. Qualified, so the detection is inconvenient, and the detection device is complicated. Therefore, the utility model adopts a new method of water pressure detection to test the sealing performance and pressure resistance of the heat pipe.

Application No. 201721888304.1 A sealing tool for hydrostatic testing of pipe fittings, including an end face cover, a fastening bolt and a snap assembly, the end face cover is placed on the nozzle, and the snap assembly is installed on the On the rear side of the flange of the nozzle, the fastening bolts pass through the end cover plate, the flange of the nozzle and the snap assembly in sequence, and the end cover is sealed and fixed on the nozzle. Another application No. 201710625175.5 is a hydrostatic test sealing device, comprising a sealing plate, a sealing element, a casing pipe joint and a fastener; wherein, the sealing element is installed on the sealing plate, and one end of the casing is connected to the sealing The plate is connected, the other end is connected with the pipe joint, and the fastener is used to lock the sealing plate (1) and the hydraulic test workpiece. The invention has the advantages of simple structure, convenient operation, strong versatility and repeatability, and can realize the hydraulic test of a single pipe by using the hydraulic test sealing device of the invention.

However, in the above-mentioned patents, the former is only used for sealing tools and does not involve specific water pressure detection equipment. How to deal with the water after testing, in addition, no corresponding measures were taken when the device was adjusted.

Utility model content

In order to make the pipe fittings water pressure detection equipment more optimized, this new application proposes a pipe fittings sealing water pressure detection equipment. This device uses a booster pump and a pressure gauge to pay attention to the pressure changes in the pipeline in time. Improve the water utilization rate and save costs, and finally fix the pipeline with a clamp, which is convenient for detection.

The utility model is realized in the following way: a pipe fitting sealing water pressure detection device includes a pipe fitting fixing fixture, a power mechanism and a detection mechanism, and the pipe fitting fixing fixture fixes the connecting pipe in the power mechanism and the heat pipe in the detection mechanism through a clamping ring. There is a water pump in the power mechanism, the right end of the water pump is connected with the water tank, the left end of the water pump is connected with a valve through a connecting pipe, a sealing ring is arranged inside the valve, the left side of the sealing ring is a detection mechanism, and the upper end of the detection mechanism is connected by a pressurized water pipe. The pump, the bottom end of the pressurized water pipe and the outer end of the heat pipe are provided with pressure gauges, and the left end of the heat pipe is a fixed valve; the lower end of the detection mechanism is connected to the water outlet pipe through the water outlet valve. After the detection, the water in the heat pipe passes through the water outlet pipe. The water is sent back to the water tank through the water inlet valve to complete the water recycling after detection.

Further, a rubber ring is provided between the heat pipe and the fixed valve and the valve, and the heat pipe and the connecting pipe are fixed on the valve by hexagonal bolts.

Further, the bottom end of the pipe fitting fixing fixture is provided with a fixing block, the upper end of the fixing block is a nitrogen cylinder, and the nitrogen cylinder controls the height of the fixture table through a telescopic rod, thereby adjusting the height of the clamping ring.

Further, the pressure gauge has a scale table inside the pressure gauge, the pointer is fixed inside the pressure gauge by a round screw, and a detection tube is installed at the lower end of the pressure gauge.

The advantages of the water pressure detection equipment for pipe fittings provided by the utility model are: the utility model detects the water pressure of the heat pipe by means of a booster pump and a pressure gauge; Through the water outlet, the water tank is supplied with water by the water pump, which realizes the recycling of water resources and saves costs. In addition, the pipeline is fixed and adjusted by the fixing fixture, which is convenient for detection.

Description of drawings

Fig. 1 is a schematic diagram of the utility model of a water pressure detection equipment for the sealing of pipe fittings;

Fig. 2 is a pipe fitting fixing fixture diagram of a utility model for the water pressure detection equipment for the sealing of pipe fittings;

Fig. 3 is a valve diagram of a utility model for the sealing water pressure detection equipment of pipe fittings;

Figure 4 is a pressure gauge diagram of a water pressure detection equipment for the sealing performance of a pipe fitting according to the utility model.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to Fig. 1 , Fig. 2 , Fig. 3 and Fig. 4 . It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

Referring to FIG. 1 , the utility model is implemented as follows: a pipe fitting sealing water pressure detection equipment includes a pipe fitting fixing fixture 100 , a power mechanism 200 and a detection mechanism 300 . The connecting pipe 203 in the detection mechanism 300 is fixed with the heat pipe 301 in the detection mechanism 300. The power mechanism 200 is provided with a water pump 202. The right end of the water pump 202 is connected to the water tank 201, and the left end of the water pump 202 is connected to the valve 204 through the connecting pipe 203. The valve 204 A sealing ring 205 is provided inside, and the left side of the sealing ring 205 is the detection mechanism 300. The upper end of the detection mechanism 300 is connected to the booster pump 322 through the booster water pipe 320. The bottom end of the booster water pipe 320 and the outer end of the heat pipe 301 are provided with a pressure gauge 321. The left end of the heat pipe 301 is a fixed valve 302; the lower end of the detection mechanism 300 is connected to the water outlet pipe 312 through the water outlet valve 311. After the detection, the water in the heat pipe 301 is sent back to the water tank 201 through the water outlet pipe 312 and the water inlet valve 313. , complete the water recycling after detection.

A rubber ring 207 is provided between the heat pipe 301 and the fixed valve 302 and the valve 204 , and the heat pipe 301 and the connecting pipe 203 are fixed on the valve 204 by hexagonal bolts 206 . The use of the rubber ring 207 and the hexagonal bolt 206 ensures the tightness of the device.

Referring to FIG. 2 , a fixing block 101 is arranged at the bottom end of the pipe fitting fixing fixture 100 , and the upper end of the fixing block 101 is a nitrogen cylinder 102 . The use of the pipe fitting fixture 100 facilitates the adjustment of the height of the pipe during operation.

Referring to FIG. 4 , the pressure gauge 321 has a scale gauge 331 inside, the pointer 341 is fixed inside the pressure gauge 321 by a round screw 351 , and a detection tube 361 is installed at the lower end of the pressure gauge 321 . The pressure gauge 321 is convenient to observe and record the changes of the pressure in the pipeline in time during operation.

To sum up, when testing the water pressure of the heat pipe, firstly adjust the height of each pipe by using the pipe fitting fixture 100, connect the connecting pipe 203 and the heat pipe 301 through the valve 204, turn on the water pump 202, and the water pump 202 is removed from the water tank 201. Take water and send it into the heat pipe 301; then turn on the booster pump 322 to transmit pressure to the heat pipe 301 through the pressurized water pipe 320, observe the data in time through the pressure gauge 321, and check whether the heat pipe 301 has any leakage and damage to the pipe wall, After the detection, the water outlet valve 311 is opened, and the water in the heat pipe 301 enters the water tank 201 through the water pipe 312, and the next detection is performed to complete the water circulation of the water supply by the water pump 202.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection of the utility model.

Claims (4)

1. A water pressure detection device for pipe sealing performance comprises a pipe fixing clamp (100), a power mechanism (200) and a detection mechanism (300), wherein the pipe fixing clamp (100) fixes a connecting pipe (203) in the power mechanism (200) and a heat pipe (301) in the detection mechanism (300) through a clamping ring (105), a water pump (202) is arranged in the power mechanism (200), the right end of the water pump (202) is connected with a water tank (201), the left end of the water pump (202) is connected with a valve (204) through the connecting pipe (203), the device is characterized in that a sealing ring (205) is arranged in the valve (204), a detection mechanism (300) is arranged on the left side of the sealing ring (205), the upper end of the detection mechanism (300) is connected with a booster pump (322) through a booster water pipe (320), a pressure gauge (321) is arranged at the bottom end of the booster water pipe (320) and the outer end of a heat pipe (301), and a fixed valve (302) is arranged at the left end of the heat pipe (301); the lower end of the detection mechanism (300) is connected with a water outlet pipe (312) through a water outlet valve (311), after detection is finished, water in the heat pipe (301) is sent back to the water tank (201) through the water outlet pipe (312) and a water inlet valve (313), and water recycling after detection is finished.

2. The pipe fitting sealing water pressure detection device according to claim 1, wherein rubber rings (207) are arranged between the heat pipe (301) and the fixed valve (302) and between the heat pipe and the valve (204), and the heat pipe (301) and the connecting pipe (203) are fixed on the valve (204) through hexagonal bolts (206).

3. The water pressure detection equipment for the tightness of the pipe fittings according to claim 1, wherein the bottom end of the pipe fitting fixing clamp (100) is provided with a fixing block (101), the upper end of the fixing block (101) is provided with a nitrogen cylinder (102), and the nitrogen cylinder (102) controls the height of a clamp table (104) through a telescopic rod (103), so that the height of a clamp ring (105) is adjusted.

4. The pipe sealing hydraulic pressure detection device according to claim 1, wherein a dial gauge (331) is arranged inside the pressure gauge (321), the pointer (341) is fixed inside the pressure gauge (321) through a round screw (351), and the detection tube (361) is arranged at the lower end of the pressure gauge (321).

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