Deepwater replaceable valve device and method of operation

Abstract

The application provides a deep water replaceable valve device and operation method, relates to the technical field of deep sea equipment, and comprises a valve and a base, the valve comprises a plug valve body and a locator male head, the base comprises a base, the base is provided with a locator female hole, and the locator female hole and the locator male head are positioned and connected; the pipelines on the two sides of the locator female hole are movably and sealingly connected with connecting valve pipes, the two connecting valve pipes are sealingly connected with corresponding interfaces on the plug valve body; the base further comprises a driving system, and the driving system drives the connecting valve pipes on the two sides of the locator female hole to move close to or away from each other. The valve can be opened and closed by using a standard torque tool wrench of an underwater robot, and the replacement operation process does not need bolt dismounting, installation and other complex operations, so that the underwater replacement of the valve can be conveniently realized by the underwater robot, and a diver is not needed to operate.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of deep-sea equipment, in particular to a deep-water replaceable valve device and operation method. BACKGROUND

[0002] In the field of deep-sea and underwater engineering, valves are often used. The valve is installed in the pipeline system, and the pipeline is combined with other equipment to form a larger underwater system. The entire underwater system is too expensive to be lifted to the deck of a ship for maintenance, so the number of times the system needs to be lifted to the water surface for maintenance should be minimized. The underwater valve works in deep sea, with high pressure and strong seawater corrosion. Despite a large number of special measures from the design and process points of view, the underwater valve still has a probability of failure, especially the high-pressure valve that frequently operates underwater.

[0003] The existing Chinese patent application document with publication number CN213451942U discloses a deep-sea pipeline special high-nickel corrosion-resistant valve system, which comprises a valve and a support frame. The valve comprises a valve body, both sides of the valve body are provided with connecting pipelines, the inner side of the connecting pipeline is provided with an anti-corrosion plating film layer; the support frame comprises a pair of protective sleeves respectively sleeved on the connecting pipelines, the inner side of the protective sleeve is provided with an anti-decarburization layer, the outer edge of the protective sleeve is provided with a flange plate located at the end of the connecting pipeline, a sealing ring is arranged between the flange plate and the connecting pipeline, the lower end of the protective sleeve is provided with an adjusting frame, the adjusting frame is connected with the base through the support frame, and a plurality of adjusting shims are arranged between the base and the support frame.

[0004] In the prior art, in order to avoid the situation that the system is shut down due to valve failure and needs to be lifted to the water surface for maintenance, a replaceable valve device is urgently needed to be developed, which can be replaced by an underwater robot through a manipulator and a standard torque tool wrench, and the valve can be operated to open and close. SUMMARY

[0005] In view of the defects in the prior art, the purpose of the present application is to provide a deep-water replaceable valve device and operation method.

[0006] According to the deep-water replaceable valve device provided by the present application, the valve comprises a plug valve body and a positioner male head, the seat comprises a base, the base is provided with a positioner female hole, and the positioner female hole and the positioner male head are positioned and connected; the pipelines on both sides of the positioner female hole are movably and sealingly connected with valve connecting pipes, and the two valve connecting pipes are sealingly connected with corresponding interfaces on the plug valve body; the base further comprises a driving system, and the driving system drives the valve connecting pipes on both sides of the positioner female hole to move close to or away from each other.

[0007] Preferably, the driving system comprises a transmission shaft, a speed reducer, a sliding block, a sliding rail and a lead screw, the transmission shaft is in transmission connection with the input end of the speed reducer, the output end of the speed reducer is in transmission connection with the lead screw, the lead screw extends to both sides of the locator female hole, and the threads at the two ends of the lead screw are opposite in rotation direction; the base is provided with a sliding rail, one sliding block is threadedly connected to each end of the lead screw, any sliding block is slidingly arranged in the sliding rail, and any sliding block is in fast connection with the connecting valve pipe on the same side of the locator female hole.

[0008] Preferably, the transmission shaft is rotatably installed on the base, and the end of the transmission shaft away from the speed reducer is provided with a second torque tool female port.

[0009] Preferably, the speed reducer is located in the middle below the locator female hole.

[0010] Preferably, a second sealing ring is arranged between the connecting valve pipe and the fixed pipe.

[0011] Preferably, a first sealing ring is arranged at any interface of the plug-in valve body, and the first sealing ring sealingly connects the interface of the plug-in valve body and the connecting valve pipe.

[0012] Preferably, a carrying handle is arranged on the plug-in valve body, the locator male head is arranged at the bottom of the plug-in valve body, and the carrying handle is arranged at the upper part of the plug-in valve body.

[0013] Preferably, a first torque tool female port is arranged on the side surface of the plug-in valve body, and the first torque tool female port is used to rotate to open or close the valve.

[0014] According to the deep water replaceable valve device and the operation method provided by the application, the operation method comprises an installation method.

[0015] Step S1, rotate the second torque tool female port to make the two connecting valve pipes away from each other;

[0016] Step S2, insert the locator male head into the locator female hole;

[0017] Step S3, rotate the second torque tool female port to make the two connecting valve pipes close to each other and sealingly connected with the corresponding interfaces on the plug-in valve body respectively;

[0018] Step S4, rotate the first torque tool female port to open the valve.

[0019] Preferably, the operation method comprises a disassembly method.

[0020] Step S1.1, rotate the first torque tool female port to close the valve.

[0021] Step S2.1, rotate the second torque tool female port, so that the two connecting valve pipes are away from each other, and the two connecting valve pipes are separated from the plug-in valve body;

[0022] Step S3.1, the locator male head is separated from the locator female hole.

[0023] Compared with the prior art, the present application has the following beneficial effects:

[0024] 1. The present application realizes the installation and positioning of the valve on the seat by the positioning of the locator male head to the locator female hole, sets the first torque tool female port on the valve, and can be opened and closed by the underwater robot using the standard torque tool wrench, sets the second torque tool female port on the seat, realizes the synchronous convergence and opening of the two connecting valve pipes, and the complex operation such as bolt dismounting and mounting is not needed in the replacement operation process, so that the underwater replacement of the valve can be realized by the underwater robot conveniently without the operation of the diver.

[0025] 2. In the valve replacement process of the present application, the flange positions of the pipelines at both ends are fixed and immovable, which will not affect the external connection pipeline, and the axial sealing telescopic structure is adopted, so that the valve and the pipelines at both sides are straight-through without elbow pipe, and the resistance is small and the pipeline is not easy to be blocked. BRIEF DESCRIPTION OF DRAWINGS

[0026] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments with reference to the attached drawings:

[0027] Figure 1 The present application mainly embodies the overall structure of the replaceable valve device;

[0028] Figure 2 The present application mainly embodies the overall structure of the seat;

[0029] Figure 3 The present application mainly embodies the overall structure of the seat;

[0030] Figure 4 The present application mainly embodies the overall structure of the valve.

[0031] In the drawings:

[0032] DETAILED DESCRIPTION

[0033] The present application will be described in detail below with reference to specific embodiments. The following embodiments will help those skilled in the art to further understand the present application, but do not limit the present application in any form. It should be pointed out that those skilled in the art can make several changes and improvements without departing from the concept of the present application. These all belong to the protection scope of the present application.

[0034] As Figure 1 , Figure 2 , Figure 3 and Figure 4 indicated, a deep water replaceable valve device and operation method provided according to the application, comprising a valve 1 and a base 2, the valve 1 comprising a plug valve body 101 and a locator male head 104, the base 2 comprising a base 201, the base 201 being provided with a locator female hole 209, the locator female hole 209 and the locator female hole 209 being positioned and connected. The pipelines on both sides of the locator female hole 209 are movably connected with valve connecting pipes 211, and the two valve connecting pipes 211 are movably connected with corresponding interfaces on the plug valve body 101; the base 201 further comprises a driving system, which drives the valve connecting pipes 211 on both sides of the locator female hole 209 to move close to or away from each other.

[0035] Specifically, the driving system comprises a transmission shaft 207, a speed reducer 206, a sliding block 205, a sliding rail 203 and a lead screw 204, the transmission shaft 207 is in transmission connection with the input end of the speed reducer 206, the output end of the speed reducer 206 is in transmission connection with the lead screw 204, the lead screw 204 extends to both sides of the locator female hole 209 at both ends, and the threads at both ends of the lead screw 204 are opposite in rotation direction. The base 201 is provided with the sliding rail 203, and the sliding block 205 is threadedly connected with one at each end of the lead screw 204, any sliding block 205 is slidably arranged in the sliding rail 203, and any sliding block 205 is in fastening connection with the valve connecting pipe 211 on the same side of the locator female hole 209. The transmission shaft 207 is rotatably installed on the base 201, and the end of the transmission shaft 207 away from the speed reducer 206 is provided with a second torque tool female port 208. The valve connecting pipe 211 and the fixed pipeline are provided with a second sealing ring 210. In one possible embodiment: the base 201 is a mounting base, and all components are integrated on the base 201. The pipeline connecting flange 202 is an interface for connecting external pipelines with the device. The valve connecting pipe 211 is arranged inside the pipeline connecting flange 202 and can move along the axis thereof, and the axial sealing of the valve connecting pipe 211 and the pipeline connecting flange 202 is realized through the second sealing ring 210. The base 201 is provided with the sliding rail 203, and the lead screw 204 drives the sliding block 205 to move on the sliding rail 203. The lead screw 204 at both ends is a right and left threaded lead screw 204, and when the lead screw 204 rotates clockwise, the left sliding block 205 moves left and the right sliding block 205 moves right. The two valve connecting pipes 211 on both sides are closed or opened. The second torque tool female port 208 connects the transmission shaft 207, the rotary motion of the standard torque tool wrench of the underwater robot is transmitted to the speed reducer 206 through the second torque tool female port 208 and the transmission shaft 207, the speed reducer 206 is a worm gear speed reducer 206, and the speed reducer 206 drives the lead screw 204 to rotate.

[0036] In a preferred embodiment: the speed reducer 206 is located in the middle below the locator female hole 209, which helps to improve the synchronization of the movement of the two valve connecting pipes 211.

[0037] More specifically, the plug valve body 101 is provided with a first sealing ring 103 at any interface, and the first sealing ring 103 seals and connects the interface of the plug valve body 101 with the valve connecting pipe 211. The plug valve body 101 is provided with a carrying handle 102, and the locator male head 104 is arranged at the bottom of the plug valve body 101, and the carrying handle 102 is arranged at the upper part of the plug valve body 101. The first torque tool female port 105 is arranged on the side of the plug valve body 101, and the first torque tool female port 105 is used to rotate to open or close the valve 1. In a feasible embodiment: the plug valve body 101 is the same as the structure of the commonly used plug valve on land. The carrying handle 102 is a carrying interface arranged on the valve 1 according to the clamping interface of the underwater robot manipulator, which can be reliably clamped by the underwater robot manipulator. The first sealing ring 103 is arranged on both sides of the valve 1, and is used for sealing connection of the valve 1. The locator male head 104 is a tapered cylindrical, and the two locator male heads 104 of the two valves 1 are inserted into the two locator female holes 209, so that the position of the valve 1 can be accurately positioned, and the installation clamping of the subsequent process is facilitated. The tapered end can be used for installation guide, guiding the insertion of the locator male head 104 into the corresponding locator female hole 209. The first torque tool female port 105 is matched with the standard torque tool wrench of the underwater robot, and the standard torque tool wrench can be installed in the torque tool female port by the underwater robot. The underwater robot controls the standard torque tool wrench to rotate in a positive direction at a set torque, so that the valve 1 can be closed; and the standard torque tool wrench rotates in a positive direction at a set torque, so that the valve 1 can be opened.

[0038] After the two locator male heads 104 of the valve 1 are connected with the locator female holes 209, the valve 1 and the base 2 are connected and positioned. The standard torque tool wrench is installed at the second torque tool female port 208 by the underwater robot, and the torque wrench is rotated in a positive direction, so that the valve connecting pipes 211 are converged to the middle and clamp the valve 1, thereby realizing the installation and sealing of the pipeline valve 1. The torque wrench is rotated in a reverse direction, so that the valve connecting pipes 211 are opened to the two sides, the valve 1 is released, and the pipeline valve 1 is disassembled.

[0039] The application also provides a deepwater replaceable valve 1 device and a working method.

[0040] Step S1, rotating the second torque tool female port 208, so that the two valve connecting pipes 211 are away from each other;

[0041] Step S2, inserting the locator male head 104 into the locator female hole 209;

[0042] Step S3, rotate the second torque tool female port 208 to make the two valve connecting pipes 211 close to each other and be sealedly connected with the corresponding interfaces on the plug valve body 101 respectively;

[0043] Step S4, rotate the first torque tool female port 105 to open the valve 1.

[0044] The operation method includes a disassembly method.

[0045] Step S1.1, rotate the first torque tool female port 105 to close the valve 1.

[0046] Step S2.1, rotate the second torque tool female port 208 to make the two valve connecting pipes 211 away from each other, and the two valve connecting pipes 211 are separated from the plug valve body 101.

[0047] Step S3.1, the locator male head 104 is separated from the locator female hole 209.

[0048] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0049] The specific embodiments of the present application are described above. It should be understood that the present application is not limited to the above specific embodiments, and those skilled in the art can make various changes or modifications within the scope of the claims, which does not affect the essential content of the present application. The embodiments of the present application and the features in the embodiments can be arbitrarily combined with each other without conflict.

Claims

1. A deep water replaceable valve device, characterized by The valve device comprises a valve (1) and a base (2), the valve (1) comprises a plug valve body (101) and a locator male head (104), the base (2) comprises a base (201), the base (201) is provided with a locator female hole (209), the locator female hole (209) is connected with the locator male head (104), the plug valve body (101) is provided with a carrying handle (102); The pipeline on both sides of the locator female hole (209) is connected with a valve connecting pipeline (211) through dynamic sealing, and the two valve connecting pipelines (211) can be connected with the corresponding interfaces on the plug valve body (101) through sealing. The base (201) further comprises a driving system, the driving system drives the valve connecting pipelines (211) on both sides of the locator female hole (209) to move close to or away from each other, and the driving system can be driven by an underwater robot. The installation and replacement of the valve device do not need threaded fastening and dismounting operations.

2. The deepwater replaceable valve device of claim 1, wherein, The driving system comprises a transmission shaft (207), a speed reducer (206), a sliding block (205), a sliding rail (203) and a lead screw (204), the transmission shaft (207) is connected with the input end of the speed reducer (206), the output end of the speed reducer (206) is connected with the lead screw (204), the lead screw (204) extends to both sides of the locator female hole (209), and the threads on both ends of the lead screw (204) are opposite in rotation direction. The base (201) is provided with the sliding rail (203), one sliding block (205) is threadedly connected with each end of the lead screw (204), any sliding block (205) is slidingly arranged in the sliding rail (203), and any sliding block (205) is tightly connected with the valve connecting pipeline (211) on the same side of the locator female hole (209).

3. The deepwater replaceable valve device of claim 2, wherein, The transmission shaft (207) is rotatably arranged on the base (201), and the end of the transmission shaft (207) away from the speed reducer (206) is provided with a second torque tool female port (208).

4. The deepwater replaceable valve device of claim 2, wherein, The speed reducer (206) is arranged below the middle part of the locator female hole (209).

5. The deepwater replaceable valve device of claim 2, wherein, The valve connecting pipeline (211) is provided with a second sealing ring (210) between the valve connecting pipeline (211) and the fixed pipeline.

6. The deepwater replaceable valve device of claim 1, wherein, Any interface of the plug valve body (101) is provided with a first sealing ring (103), and the first sealing ring (103) connects the interface of the plug valve body (101) with the valve connecting pipeline (211).

7. The deepwater replaceable valve device of claim 1, wherein, The locator male head (104) is arranged at the bottom of the plug valve body (101), and the carrying handle (102) is arranged at the upper part of the plug valve body (101).

8. The deepwater replaceable valve device of claim 3, wherein, The side surface of the plug valve body (101) is provided with a first torque tool female port (105), and the first torque tool female port (105) is used for rotating to open or close the valve (1).

9. A method of operating a deepwater replaceable valve device, comprising: The deep water replaceable valve device and the operation method thereof are adopted. Step S1, the second torque tool female port (208) is rotated to make the two valve connecting pipelines (211) move away from each other; Step S2, the locator male head (104) is inserted into the locator female hole (209). Step S3, rotate the second torque tool female port (208) to make the two valve connecting pipes (211) close to each other and be respectively sealedly connected with the corresponding interfaces on the plug valve body (101); Step S4, rotate the first torque tool female port (105) to open the valve (1).

10. The method of operating a deepwater replaceable valve device of claim 9, wherein, The working method comprises a dismounting method; Step S1.1, rotate the first torque tool female port (105) to close the valve (1); Step S2.1, rotate the second torque tool female port (208) to make the two valve connecting pipes (211) away from each other, and the two valve connecting pipes (211) are separated from the plug valve body (101); Step S3.1, the positioner male head (104) is separated from the positioner female hole (209).

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