CN207730428U - A kind of pressure test device of underwater connector - Google Patents

Abstract

The utility model is related to technical field of electric connectors, more particularly to a kind of pressure test device of underwater connector, include for accommodating the pressurized tank of connector to be measured, being connect with pressurized tank by fluid pressure line to the pressure controlled pressure regulating mechanism of pressurized tank progress and fluid pressure line, pressure regulating mechanism.Advantageous effect is：Pressure regulating mechanism external gas source is transferred to by pneumatic triple piece in gas-liquid booster pump, and gas-liquid booster pump becomes fluid pressure after being pressurized gas pressure, and liquid enters pressurized tank after hydralic pressure gauge, pressure in pressurized tank is enable to reach preset value.The utility model is simple in structure, at low cost, and control pressure is facilitated to be tested.

Description

A pressure test device for an underwater connector

technical field

The utility model relates to the technical field of electrical connectors, in particular to a pressure test device for an underwater connector.

Background technique

As a connection device between submarine pipelines and underwater production systems, underwater connectors are a key equipment for deepwater oil and gas development and are widely used. The reliability of its connection is crucial to ensure the safe operation of deepwater oil and gas fields. Due to the high-risk, high-tech and high-investment characteristics of the offshore oil industry, especially for the development of deepwater oil and gas fields, the cost of deepwater installation, maintenance and repair operations is rising sharply compared with shallow water, and the reliability of underwater products put forward higher requirements.

For underwater connectors, it needs to be verified through a large number of tests to ensure the reliability of underwater connectors working underwater. The pressure test is an essential content in the performance appraisal test of underwater connector products. However, at present, due to the lack of testing devices specially used for the pressure of underwater connectors and the lack of supporting test facilities, it is easy to cause safety accidents caused by pressure loads of underwater connectors, which seriously restricts the industrialization of underwater connectors. develop.

For example, Chinese patent (CN204731008U) discloses a temperature and pressure test device for underwater connectors, including a temperature control device, a pressure control device connected to the temperature control device, and forming a temperature and pressure control loop, wherein the temperature The control device includes: an incubator that provides a constant temperature environment for the experiment, and a temperature control branch arranged outside the incubator. The temperature control branch includes: a liquid nitrogen storage tank that provides a cooling medium, and a series connection with the liquid nitrogen storage tank in turn. A low-temperature liquid pump powered by liquid nitrogen, a vaporizer to improve heat exchange efficiency for liquid nitrogen vaporization, and a reversing valve for liquid nitrogen to enter; several fans and Several heat exchangers connected in series to provide low temperature for the tested underwater connector test piece to cool down; inside the incubator are also installed: the tested connector test piece, the sequence installed on the tested connector test piece The internal heater connected in series to provide heat for the temperature rise test of the tested underwater connector specimen, the surface temperature sensor to measure the temperature of the inner and outer surfaces of the underwater connector specimen and guide the test process, and the internal heater for the measurement box The temperature guides the internal temperature sensor of the experiment process; the outside of the incubator is installed with an external temperature sensor for measuring the external environment, an oil tank for providing a medium for pressing and heating the underwater connector test piece, and an indicating and monitoring liquid for the oil tank. A liquid level gauge for surface changes; wherein, the internal temperature sensor is connected to the pressure control device; and the pressure control device is placed in connection with the oil in the oil tank.

The above-mentioned underwater electrical connector product testing device has the disadvantages of complex structure and high cost.

Utility model content

The purpose of the utility model is to provide a pressure testing device for underwater connectors in order to solve the problems of complex structure and high cost of the current underwater connector testing device.

In order to achieve the above utility model purpose, the utility model adopts the following technical solutions:

A pressure testing device for an underwater connector, comprising a pressure tank for accommodating a connector to be tested, a pressure regulating mechanism for regulating the pressure of the pressure tank, and a hydraulic pipeline, and the pressure regulating mechanism passes through the hydraulic pipeline communicated with the pressure tank.

Preferably, the pressure tank includes a tank body with a sealing port and a cover body sealingly fitted with the sealing port, the cover body is provided with an external pressure delivery interface, and the end of the hydraulic pipeline is connected to the external pressure delivery interface .

Preferably, a locking cover is provided on the tank body, and the locking cover is arranged around the edge of the sealing port and covers the cover body, and the cover body is fixedly connected with the tank body through the locking cover.

Preferably, the tank body is provided with two sealing ports, namely a first sealing port and a second sealing port, and the cover body includes a first sealing cover matching the first sealing port and a sealing cover matching the second sealing port. The second sealing cover, the external pressure delivery interface is arranged on the first sealing cover or the second sealing cover.

Preferably, the cover is provided with a mounting hole for mounting the connector.

Preferably, the pressure regulating mechanism includes a gas source switch, a pneumatic triple unit, a gas-liquid booster pump and a muffler connected in sequence, and the hydraulic pipeline is connected to the gas-liquid booster pump.

Preferably, a hydraulic gauge is provided on the hydraulic pipeline.

Preferably, a liquid discharge valve is provided on the hydraulic pipeline, and the liquid discharge valve communicates with the pressure tank.

Preferably, it also includes a water inlet pipeline connected to the gas-liquid booster pump.

Preferably, a liquid filter is provided on the water inlet pipeline.

Compared with the prior art, the utility model has the beneficial effects that: the testing device of the underwater connector includes a pressure regulating mechanism and a pressure tank, and the two are connected through a hydraulic pipeline. The external air source of the pressure regulating mechanism is transmitted to the gas-liquid booster pump through the pneumatic triple unit. The gas-liquid booster pump boosts the gas pressure and turns it into liquid pressure. The liquid enters the pressure tank after passing through the hydraulic gauge, so that the pressure in the pressure tank can reached the preset value. The utility model has the advantages of simple structure, low cost and convenient pressure control for testing.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the first structural representation of the pressure tank of the present utility model;

Fig. 3 is the second structure schematic diagram of the pressure tank of the present utility model;

Fig. 4 is a schematic diagram of the third structure of the pressure tank of the present invention.

In the figure: 1 pressure tank, 2 pressure regulating mechanism, 3 hydraulic pipeline, 4 air source switch, 5 pneumatic triple unit, 6 air-liquid booster pump, 7 muffler, 8 liquid filter, 9 hydraulic gauge, 10 drain valve , 11 sealing port, 11-1 first sealing port, 11-2 second sealing port, 12 tank body, 13 cover body, 13-1 first sealing cover, 13-2 second sealing cover, 14 external pressure delivery interface , 15 locking cover, 16 mounting holes, 17 water inlet pipe, 18 sealing ring, 19 inflation nozzle, 20 air pressure groove, 21 sealing film.

Detailed ways

The technical scheme of the utility model is further described and illustrated through specific embodiments below.

As shown in Figure 1 and Figure 2: a pressure test device for underwater connectors, including a pressure tank 1 for accommodating the connector to be tested, the pressure tank 1 is filled with water, and the pressure in the pressure tank 1 is adjusted by the pressure Mechanism 2 regulates. The pressure regulating mechanism 2 is connected to the pressure tank 1 through a hydraulic pipeline 3. The pressure regulating mechanism 2 boosts the water pressure in the hydraulic pipeline 3, thereby adjusting the pressure in the pressure tank 1 to a preset value. .

The pressure regulating mechanism 2 includes a gas source switch 4, a pneumatic triple unit 5, a gas-liquid booster pump 6 and a muffler 7 connected in sequence, and the head end of the hydraulic pipeline 3 is connected to the connecting chamber at the bottom of the gas-liquid booster pump 6 connected. The test device also includes a water inlet pipeline 17 , and the end of the water inlet pipeline 17 communicates with the connection cavity at the bottom of the gas-liquid booster pump 6 .

When the air source switch 4 is turned off, the water inlet pipeline 17, the connecting chamber and the hydraulic pipeline 3 are connected to form a complete delivery, and the pressure of the pressure tank 1 is balanced with the pressure of the delivery channel. When the gas source switch 4 is turned on, the gas enters the gas chamber on the upper part of the gas-liquid booster pump 6 through the pneumatic triple unit 5, and the piston moves downward under the action of the air pressure in the gas chamber, and the piston pushes the water in the connection chamber to the pressure tank 1 Transport, the water pressure in the pressure tank 1 is the same as the water pressure in the hydraulic pipeline 3. The hydraulic line 3 is provided with a hydraulic gauge 9, which is used to display the hydraulic pressure in the hydraulic line 3, and the hydraulic pressure obtained by the hydraulic gauge 9 is the hydraulic pressure in the pressure tank 1, so that the pressure tank can be 1 to adjust the pressure to the preset value. The hydraulic pipeline 3 is provided with a drain valve 10, which communicates with the pressure tank 1, and the drain valve 10 is used to discharge the water in the pressure tank 1 or the water in the hydraulic pipeline 3, thereby To achieve the purpose of decompression.

The water inlet pipeline 17 is provided with a liquid filter 8 for filtering out impurities at the water inlet.

The pressure tank 1 includes a tank body 12 with a sealing port 11 and a cover body 13 sealingly fitted with the sealing port 11, the cover body 13 is provided with an external pressure delivery interface 14, and the end of the hydraulic pipeline 3 is connected to the external Pressure delivery interface 14 is connected. A sealing ring 18 is arranged between the cover body 13 and the inner wall of the tank body 12, and the sealing ring 18 is embedded in a groove arranged on the outer wall of the cover body 13. The sealing ring 18 is a rubber sealing ring, and the sealing ring 18 and the inner wall of the tank body 12 form Sealed structure.

The tank body 12 is surrounded by a locking cover 15 , and the cover body 13 is fixedly connected with the tank body 12 through the locking cover 15 . After the cover body 13 is covered on the tank body 12, the locking cover 15 wraps the upper part of the tank body 12 and the cover body 13 inside the locking cover 15, and the outer wall of the locking cover 15 and the tank body 12 is connected by threads to increase the locking The locking strength of the cover (15) to the cover body (13).

Two upper and lower sealing ports 11 can be set on the tank body 12, which are respectively the first sealing port 11-1 located at the upper end of the tank body 12 and the second sealing port 11-2 located at the lower end of the tank body 12. The cover body 13 It includes a first sealing cover 13-1 matching the first sealing port 11-1 and a second sealing cover 13-2 matching the second sealing port 11-2, and the external pressure delivery interface 14 is arranged on the first sealing cover 13-1 on.

As shown in FIG. 3 : on the basis of the above embodiments, two installation holes 16 are provided in the tank body 12 to install two connectors respectively. The two underwater connectors are connected. The connector can be fixed on the first sealing cover 13-1 through the mounting hole 16, so as to connect with the outside world and test the connector.

As shown in Figure 4: the third structure of the pressure tank 1, the tank body 12 is provided with two pressure auxiliary devices with the same structure, the inner wall of the pressure tank 1 is provided with an air pressure groove 20, the air pressure groove 20 The notch is provided with a sealing film 21 matching the notch of the air pressure groove 20 , the sealing film 21 is an elastic film, and the sealing film 21 prevents water from entering the air pressure groove 20 . An air filling nozzle 19 communicating with the air pressure groove 20 is provided on the outer wall of the tank body 12 . After the pressure tank 1 is filled with water, the air pressure tank 20 can be inflated through the inflation nozzle 19. At the same time, the air pressure in the air pressure tank 20 plays a role in regulating the water pressure in the pressure tank 1, and the pressure on the hydraulic pressure gauge 9 can be observed. Hydraulic data, cooperate with the pressure regulating mechanism 2 to assist in regulating the pressure in the pressure tank 1.

The preferred embodiments and principles of the utility model have been described in detail above. For those of ordinary skill in the art, according to the technical solution provided by the utility model, there will be changes in the specific implementation, and these changes should also be considered It is the protection scope of the utility model.

Claims (10)

1. A pressure test device for an underwater connector, characterized in that it includes a pressure tank (1) for accommodating the connector to be tested, a pressure adjustment mechanism (2) for pressure adjustment of the pressure tank (1), a hydraulic A pipeline (3), the pressure regulating mechanism (2) communicates with the pressure tank (1) through the hydraulic pipeline (3). 2. A pressure testing device for an underwater connector according to claim 1, characterized in that the pressure tank (1) includes a tank body (12) with a sealing port (11), and a sealing port (11) ) in a sealed fit cover body (13), the cover body (13) is provided with an external pressure delivery interface (14), and the hydraulic pipeline (3) communicates with the external pressure delivery interface (14). 3. A pressure testing device for an underwater connector according to claim 2, characterized in that, the tank body (12) is provided with a locking cover (15), and the locking cover (15) surrounds the sealing port The edge of (11) is set, and the cover body (13) is covered, and the cover body (13) is fixedly connected with the tank body (12) through the locking cover (15). 4. A pressure testing device for an underwater connector according to claim 3, characterized in that, the tank body (12) is provided with two sealing ports (11), respectively the first sealing port (11) -1) and the second sealing port (11-2), the cover (13) includes the first sealing cover (13-1) matching with the first sealing port (11-1) and the second sealing port ( 11-2) A matching second sealing cover (13-2), the external pressure delivery interface (14) is arranged on the first sealing cover (13-1) or the second sealing cover (13-2). 5. The pressure testing device for an underwater connector according to claim 2, characterized in that, the cover (13) is provided with an installation hole (16) for installing the connector. 6. A pressure testing device for an underwater connector according to any one of claims 1-5, characterized in that the pressure regulating mechanism (2) includes an air source switch (4) connected in sequence, a pneumatic triple (5), the gas-liquid booster pump (6) and the muffler (7), and the hydraulic pipeline (3) is connected with the gas-liquid booster pump (6). 7. The pressure testing device for underwater connectors according to claim 6, characterized in that a hydraulic gauge (9) is provided on the hydraulic pipeline (3). 8. A pressure testing device for an underwater connector according to claim 6, characterized in that, the hydraulic pipeline (3) is provided with a drain valve (10), and the drain valve (10) is connected to the The pressure tank (1) is connected. 9. A pressure testing device for an underwater connector according to claim 6, characterized in that it further comprises a water inlet pipeline (17), the water inlet pipeline (17) and the gas-liquid booster pump (6) connect. 10. The pressure testing device for an underwater connector according to claim 9, characterized in that a liquid filter (8) is provided on the water inlet pipeline (17).