CN211288772U - Exhaust suction valve for wellhead base - Google Patents

Exhaust suction valve for wellhead base Download PDF

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Publication number
CN211288772U
CN211288772U CN201921546784.2U CN201921546784U CN211288772U CN 211288772 U CN211288772 U CN 211288772U CN 201921546784 U CN201921546784 U CN 201921546784U CN 211288772 U CN211288772 U CN 211288772U
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CN
China
Prior art keywords
valve
valve body
unthreaded hole
otic placode
suction
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Active
Application number
CN201921546784.2U
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Chinese (zh)
Inventor
牛庆磊
刘春生
宋刚
邵玉涛
冯起赠
张化民
陈根龙
陈晓林
崔淑英
胡汉月
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Institute of Exploration Technology Chinese Academy of Geological Sciences
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Institute of Exploration Technology Chinese Academy of Geological Sciences
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Priority to CN201921546784.2U priority Critical patent/CN211288772U/en
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Publication of CN211288772U publication Critical patent/CN211288772U/en
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Abstract

The utility model provides an exhaust suction valve for well head base, including valve body and valve gap, the valve body is the cylindric, install on the top cap of well head base, the valve gap connection valve body, be equipped with the suction pipe of intercommunication valve body on the valve gap, valve gap one side fixed connection board, be equipped with two pinholes on the connecting plate, set up two otic placodes on the valve body side by side, one is the unthreaded hole otic placode, one is the screw hole otic placode, two unthreaded holes about being equipped with on the unthreaded hole otic placode, be equipped with an upper portion unthreaded hole and a lower part screw hole on the screw hole otic placode, the cylindric lock passes the unthreaded hole of two otic placodes and a pinhole of connecting plate, under the valve gap fixed state, the unthreaded hole of unthreaded hole otic placode is passed to the screw pin, another pinhole of connecting. The utility model discloses have the dual function of drain valve and a suction section of thick bamboo concurrently, optimized the spatial layout of well head base top cap, reduce spare part, the operational reliability is high.

Description

Exhaust suction valve for wellhead base
Technical Field
The utility model relates to an exhaust suction valve for well head base for hydraulic engineering technical field.
Background
Ocean engineering construction such as gravity type platform, jacket, underwater system, seabed protection structure, wind power foundation, deep sea mooring, deep and the like all need to install support facilities on the seabed, and sufficient load is provided for the construction. The wellhead base is that a cylinder is sunk into the seabed, and vertical or horizontal line load is provided through the friction force generated by the cylinder and the stratum and the adsorption force of soil. The structure of well head base is that the top is sealed for the outside, the open barrel of lower extreme, and there are one or more parent tubes in the center for preset or transfer the pipe, and the roof is equipped with the top cap. Install drain valve and suction section of thick bamboo on the top cap of well head base, the drain valve is by the dead weight to the outer drainage of section of thick bamboo when penetrating, the exhaust at well head base, after the dead weight penetration is accomplished, get into the negative pressure and penetrate the stage, need close the valve gap on the drain valve this moment, pass through the tube coupling with suction pump and suction section of thick bamboo, open the suction pump, the sea water suction barrel that will penetrate the process and stay in a section of thick bamboo, the barrel forms the pressure differential inside and outside this moment, external pressure is greater than internal pressure, thereby continue to impress the seabed with the base. And after the preset depth is reached, the suction pump stops sucking, the negative pressure in the cylinder disappears, and the wellhead base is stabilized at the preset depth. The exhaust valve and the suction barrel of the existing wellhead base are respectively and independently arranged on the top cover, the suction barrel is communicated with the exhaust valve through a pipeline, the exhaust valve cover only plays a role in opening and closing the valve body, and the suction barrel is used for communicating the suction pump. The common structure has the problems of large space occupation of the top cover, more related parts and complicated layout, and in addition, the sealing performance of the exhaust valve cover is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can simplify well head base top cap overall arrangement and improve valve gap sealing performance's an exhaust suction valve for well head base.
The problem of the utility model is realized with following technical scheme:
the utility model provides an exhaust suction valve for well head base, including valve body and valve gap, the valve body is the cylindric, install on the top cap of well head base, the valve gap connection valve body, be equipped with the suction pipe of intercommunication valve body on the valve gap, valve gap one side fixed connection board, be equipped with two pinholes on the connecting plate, set up two otic placodes on the valve body side by side, one is the unthreaded hole otic placode, one is the screw hole otic placode, two unthreaded holes about being equipped with on the unthreaded hole otic placode, be equipped with an upper portion unthreaded hole and a lower part screw hole on the screw hole otic placode, the cylindric lock passes the unthreaded hole of two otic placodes and a pinhole of connecting plate, under the valve gap fixed state, the unthreaded hole of unthreaded hole otic placode is passed to the screw pin, another pinhole of connecting.
The aforesaid is used for exhaust suction valve of well head base, the valve body upper shed is the toper sealing up mouth that the diameter increases progressively, is the plane above the valve gap, is equipped with the toper sealing platform that matches the laminating with the toper sealing up mouth below the valve gap, is equipped with the seal ring groove on the toper sealing platform, is equipped with the sealing washer in the seal ring groove.
According to the exhaust suction valve for the wellhead base, the connection rib plates are arranged on the periphery of the suction pipe and are welded with the suction pipe and the valve cover respectively.
According to the exhaust suction valve for the wellhead base, the valve cover and the valve body are locked through the locking mechanism, and the locking mechanism is in a bolt fastening type or a rotary insertion type.
The exhaust suction valve for the wellhead base is characterized in that the valve cover is provided with a handle.
The exhaust suction valve of the utility model comprises a valve body and a valve cover, which has the dual functions of a drain valve and a suction cylinder, when the well head base is penetrated into the water bottom by the dead weight, the valve cover is opened and fixed, and the functions of water drainage and exhaust outside the well head base cylinder are realized; when the wellhead base can not continuously penetrate through the valve by the dead weight, the valve cover is closed, the suction pipe arranged on the valve cover is connected with the suction pump, the valve body plays a role of a suction barrel, and seawater remained in the barrel in the penetrating process is sucked out. The conical surface contact between valve gap and the valve body, sealed effectual prevents that during the suction, pressure is revealed via the gap of faying face, influences the suction effect. The utility model discloses abandon discharge valve and suction section of thick bamboo independent setting structure, optimized the spatial layout of well head base top cap, reduce spare part, the operational reliability is high.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the closed state of the valve cover of the present invention;
FIG. 2 is an enlarged partial view at B of FIG. 1;
fig. 3 is a schematic structural view of the open/close state of the valve of the present invention;
FIG. 4 is a view in the direction A of FIG. 3;
FIG. 5 is a schematic structural view of the bolt-fastening type locking mechanism of the present invention;
fig. 6 is a schematic structural diagram of the rotary insertion type locking mechanism of the present invention.
The reference numbers in the figures are: 1. a top cover; 2. the valve comprises a valve body, 3, an ear plate, 4, a connecting plate, 5, a suction pipe, 6, a valve cover, 7, a handle, 8, a sealing ring, 9, a cylindrical pin, 10, a threaded pin, 11, a connecting rib plate, 12, a locking bolt, 13, a rotating disc, 14, a locking rod, 15, a limiting ring, 16, a locking ring, 17 and a rotating handle.
Detailed Description
Referring to fig. 1, 3 and 4, the utility model discloses a valve body 2 and valve gap 6, the valve body is the cylindric, and the valve body lower part welds on the top cap 1 of well head base, and valve gap connection valve body is equipped with the suction pipe 5 of intercommunication valve body on the valve gap, and the suction pipe periphery is equipped with connection gusset 11, connects gusset and welds suction pipe and valve gap respectively. One side of the valve cover is fixedly connected with a connecting plate 4, and two pin holes are formed in the connecting plate. Two lug plates 3 are arranged on the valve body side by side, and the connecting plate is positioned between the two lug plates. The two lug plates are a unthreaded hole lug plate and a threaded hole lug plate, an upper unthreaded hole and a lower unthreaded hole are arranged on the unthreaded hole lug plate, and an upper unthreaded hole and a lower threaded hole are arranged on the threaded hole lug plate. On the left side of fig. 4 is the unthreaded ear plate. In the open state of the valve cover, the cylindrical pin 9 passes through the unthreaded holes of the two lug plates and one pin hole of the connecting plate, the threaded pin 10 passes through the unthreaded hole of the unthreaded hole lug plate and the other pin hole of the connecting plate, and one end of the threaded pin is in threaded connection with the threaded hole of the threaded hole lug plate, so that the open state of the valve cover as shown in fig. 2 and 4 is reliably fixed.
Referring to fig. 1 and 2, in order to ensure reliable sealing after the valve cover is closed, the upper opening of the valve body is a conical sealing opening with gradually increased diameter, the upper surface of the valve cover is a plane, a handle 7 is arranged on the valve cover, a conical sealing table which is downwards protruded and matched and attached with the conical sealing opening is arranged below the valve cover, a sealing ring groove is arranged on the conical sealing table, and a sealing ring 8 is arranged in the sealing ring groove. The O-shaped sealing ring is used for strengthening and sealing the joint surface of the valve cover and the valve body, so that the pressure leakage through the gap of the joint surface during pumping can be prevented, and the pumping effect is not influenced.
After the valve cover is closed, the valve cover and the valve body are locked through a locking mechanism, the locking mechanism can be in a bolt fastening mode as shown in fig. 4, and the valve cover is locked through uniformly distributed locking bolts 12. The locking mechanism shown in fig. 5 is of a rotary insert type, and includes a rotary knob 17, a rotary disk 13, a lock lever 14, a lock lever stopper ring 15, and a lock ring 16. The rotary disk is arranged in the middle of the upper portion of the valve cover, the rotary disk can rotate relative to the valve cover, the rotary handle is connected with the rotary disk, the edge portion of the rotary disk is hinged with a plurality of lock rods, the lock rod limiting rings are uniformly distributed on the valve cover and close to the edge portion of the valve cover, one end of each lock rod is hinged with the rotary disk, the other end of each lock rod penetrates through the lock rod limiting ring, the lock rings are arranged on the valve body, and. As shown in figure 5, the handle is rotated clockwise, each locking rod is inserted into the locking rod limiting ring, and the valve cover is locked.
The utility model discloses practical use is as follows, passes through the dead weight injection in-process at the well head base, and the valve gap is in the open mode for the seawater and the outside discharge of air in getting into the barrel, thereby guarantee that the inside and outside pressure of barrel equals. The valve cover needs to be fixed after being opened so as to prevent the valve cover from being closed by mistake due to the acting force of ocean current and the like in the running process. In the process, the cylindrical pin and the threaded pin penetrate into the pin hole, the threaded part of the threaded pin is screwed with the threaded hole, and the opening state of the valve cover is fixed. When the wellhead base is installed on the seabed and before negative pressure injection begins, the threaded pin is pulled out by using the underwater robot, the valve cover is closed and locked, and the suction pump and the suction pipe are connected to begin suction.

Claims (5)

1. An exhaust suction valve for a wellhead pedestal, characterized by: including valve body (2) and valve gap (6), the valve body is the cylindric, install on top cap (1) of well head base, the valve gap connection valve body, be equipped with suction pipe (5) of intercommunication valve body on the valve gap, valve gap one side fixed connection board (4), be equipped with two pinholes on the connecting plate, set up two otic placodes (3) on the valve body side by side, one is the unthreaded hole otic placode, one is the screw hole otic placode, two unthreaded holes about being equipped with on the unthreaded hole otic placode, be equipped with an upper portion unthreaded hole and a lower part screw hole on the screw hole otic placode, cylindric lock (9) pass the unthreaded hole of two otic placodes and a pinhole of connecting plate, under the valve gap fixed state, the unthreaded hole of unthreaded hole otic placode is passed to the screw pin, another pinhole of connecting plate, the.
2. The exhaust suction valve for a wellhead foundation as claimed in claim 1 wherein: the upper opening of the valve body is a conical sealing opening with the diameter increasing progressively, the upper surface of the valve cover is a plane, a conical sealing table matched and attached with the conical sealing opening is arranged below the valve cover, a sealing ring groove is arranged on the conical sealing table, and a sealing ring (8) is arranged in the sealing ring groove.
3. The exhaust suction valve for a wellhead foundation as claimed in claim 2 wherein: the periphery of the suction pipe is provided with a connecting rib plate (11), and the connecting rib plate is welded with the suction pipe and the valve cover respectively.
4. The exhaust suction valve for a wellhead foundation as claimed in claim 3 wherein: the valve cover and the valve body are locked by a locking mechanism, and the locking mechanism is in a bolt fastening type or a rotary insertion type.
5. The exhaust suction valve for a wellhead pedestal as claimed in claim 4 wherein: the valve cover is provided with a handle (7).
CN201921546784.2U 2019-09-17 2019-09-17 Exhaust suction valve for wellhead base Active CN211288772U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921546784.2U CN211288772U (en) 2019-09-17 2019-09-17 Exhaust suction valve for wellhead base

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921546784.2U CN211288772U (en) 2019-09-17 2019-09-17 Exhaust suction valve for wellhead base

Publications (1)

Publication Number Publication Date
CN211288772U true CN211288772U (en) 2020-08-18

Family

ID=72012732

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921546784.2U Active CN211288772U (en) 2019-09-17 2019-09-17 Exhaust suction valve for wellhead base

Country Status (1)

Country Link
CN (1) CN211288772U (en)

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