CN112161075A - Underwater automatic control high-pressure valve - Google Patents
Underwater automatic control high-pressure valve Download PDFInfo
- Publication number
- CN112161075A CN112161075A CN202011186594.1A CN202011186594A CN112161075A CN 112161075 A CN112161075 A CN 112161075A CN 202011186594 A CN202011186594 A CN 202011186594A CN 112161075 A CN112161075 A CN 112161075A
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- CN
- China
- Prior art keywords
- valve
- valve rod
- driver
- valve plate
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0218—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with only one sealing face
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention relates to an underwater automatic control high-pressure valve, which comprises a valve seat, a valve plate, a valve rod, a driver and a valve body, wherein the valve seat is arranged in the valve body; the valve plate can move left and right along the valve rod through the T-shaped concave-convex groove structure, so that the deformation of the valve rod caused by bearing bending moment is reduced. The valve plate and the valve rod in the T-shaped concave-convex groove structure are respectively a T-shaped valve plate and a valve rod with a groove, or the valve plate and the valve rod are respectively a valve plate with a groove and a T-shaped valve rod. Meanwhile, the compensation seal is adopted to provide thrust to compensate the matching between the valve plate and the valve seat; the bending moment borne by the valve rod can be reduced. The driver adopts seawater to replace oil as a hydraulic driving medium, so that the harm to the environment can be avoided. The upper end of the valve rod is fixedly connected with a position indicator, the position indicator can move up and down in a sliding groove in the outer wall of the driver, and the stroke of the valve rod can be visually displayed.
Description
Technical Field
The invention relates to an underwater high-pressure valve for ocean oil and gas exploitation, in particular to an automatic control high-pressure valve.
Background
The underwater automatic control valve belongs to a very important ring in underwater production. The valve rod and the valve plate in the traditional underwater automatic control valve are in rigid connection, the bending moment bearing capacity is poor, and the valve rod is easy to incline and deform after long time. Therefore, a T-shaped valve plate is needed, the valve rod can float left and right in the concave groove of the valve rod, and bending moment is reduced.
Meanwhile, the sealing element of the traditional underwater automatic control valve only uses rubber sealing, and the function is single. Therefore, a special sealing form (compensation sealing) is needed, wherein the self-thrust of the spring is provided, the sealing capacity is increased, and the floating compensation is carried out.
In addition, the traditional underwater automatic control valve is driven by oil, so that the cost is high, and the risk of environmental pollution exists underwater.
Moreover, the traditional underwater automatic control valve is not intuitive in observing the stroke of the valve rod.
Disclosure of Invention
The invention aims to solve the technical problems of avoiding the damage of a valve rod in an underwater automatic control valve due to bending moment, the adverse effect of oil on the environment and the observation of the stroke of the valve rod, and provides an underwater automatic control high-pressure valve.
In order to achieve the purpose, the technical scheme of the invention is as follows: an underwater automatic control high-pressure valve comprises a valve seat, a valve plate, a valve rod, a driver and a valve body, wherein the valve seat is arranged in the valve body, the valve plate is arranged in the middle of the valve seat, the upper end of the valve plate is connected with the valve rod, and the valve plate and the valve rod are connected with each other through a T-shaped concave-convex groove structure; the valve plate can move left and right along the valve rod through the T-shaped concave-convex groove structure, so that the deformation of the valve rod caused by bearing bending moment is reduced.
Further, valve plate and valve rod are T type valve plate and take the recess valve rod respectively among the T type tongue and groove structure, perhaps valve plate and valve rod are respectively for taking recess valve plate and T type valve rod.
Furthermore, a compensation sealing structure is arranged at the matching connection position between the valve seat and the valve body and used for providing thrust to compensate the matching between the valve plate and the valve seat and reducing the bending moment borne by the valve rod.
Further, the compensation seal structure is U type structure, and outside parcel rubber material, inside has a horizontal spring, can independently provide thrust.
Furthermore, the upper end of the valve rod is connected with a piston in the driver, and the periphery of the piston is sleeved with a reset spring. The piston in the driver drives the valve rod to drive the valve plate to move up and down, so that the high-pressure valve is opened and closed.
Furthermore, the driver adopts seawater to replace oil as a hydraulic driving medium, so that the harm to the environment can be avoided.
Furthermore, a filter element is arranged on the side face of the lower part of the driver, when the device is used, seawater is introduced into the filter element to balance the internal pressure and the external pressure of the driver, and the seawater can be discharged when the device is pressed.
Further, valve rod upper end fixedly connected with position indicator, position indicator and the outer wall spout sliding fit of driver are connected, position indicator can follow reciprocating in the outer wall spout of driver, can demonstrate the valve rod stroke directly perceived.
The invention has the beneficial effects that:
the invention adopts the left and right movement of the T-shaped valve plate in the valve rod groove to reduce the valve rod deformation caused by bearing bending moment, and simultaneously adopts the compensation seal to provide thrust to compensate the matching between the valve plate and the valve seat; the bending moment borne by the valve rod can be reduced.
The invention adopts seawater as a hydraulic medium, and the medium has wide sources and no environmental pollution risk. Seawater is led into the spring cavity through the filter element in a normal state, and the internal and external pressure of the driver cavity is balanced; when the piston cavity is pressurized, seawater in the spring cavity is discharged through the filter element, and the seawater replaces oil to serve as a hydraulic driving medium, so that the environment is prevented from being damaged;
the invention uses the position indicator, is fixed on the valve rod, can visually display the displacement condition of the valve rod by moving in the chute, and directly reflects the displacement condition of the valve rod by the position indicator.
Drawings
FIG. 1 is a schematic view of the present invention illustrating the structure of an automatic subsea control high pressure valve in an open state;
FIG. 2 is a schematic diagram of the closed state of the subsea automatic control high pressure valve of the present invention;
FIG. 3 is an enlarged view of a portion of the structure of FIG. 1 at I;
fig. 4 is a view from direction K in fig. 2.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in fig. 1 to 4, an underwater automatic control high pressure valve includes a valve seat 1, a valve plate 2, a compensation sealing structure 3, a valve rod 4, a filter element 5, a spring 6, a driver 7, a piston 8, a position indicator 9, and a valve body 10.
The valve body 10 is internally provided with a valve seat 1, the middle of the valve seat 1 is provided with a valve plate 2, the upper end of the valve plate 2 is connected with a valve rod 4, the upper end of the valve rod 4 is connected with a piston 8 in a driver 7, and the periphery of the piston 8 is sleeved with a reset spring 6. The valve rod 4 is driven by the piston 8 in the driver 7 to drive the valve plate 2 to move up and down, so that the high-pressure valve is opened and closed. The driver 7 adopts seawater to replace oil as a hydraulic driving medium, so that the harm to the environment can be avoided.
In this embodiment, the valve plate 2 is connected to the valve rod 4 through a T-shaped concave-convex groove structure. Wherein, valve plate 2 and valve rod 4 are T type valve plate and the valve rod of taking the recess respectively, or valve plate 2 and valve rod 4 are valve plate and T type valve rod of taking the recess respectively, as shown in figure 4. Because the valve plate 2 and the valve rod 4 are connected by adopting a T-shaped concave-convex groove structure, the T-shaped valve plate can move left and right in the valve rod groove, or the valve plate with the groove can move left and right on the T-shaped valve rod to reduce the deformation of the valve rod caused by bearing bending moment.
In this embodiment, a compensation sealing structure 3 is arranged at the matching connection between the valve seat 1 and the valve body 10. The thrust is provided to compensate the matching between the valve plate and the valve seat, and the bending moment borne by the valve rod can be reduced.
The compensation sealing structure 3 is a U-shaped structure, the outside is wrapped by a rubber material, and the inside is provided with a transverse spring which can independently provide thrust.
In this embodiment, a filter element is installed on the lower side of the driver 7, and in a normal state, seawater can be introduced into the filter element to balance the internal and external pressures of the driver, and the seawater can be discharged during pressurization.
In this embodiment, a position indicator 9 is further fixedly connected to the upper end of the valve rod 4. The position indicator 9 can move up and down along the outer wall sliding groove of the driver 7, and the stroke of the valve rod can be visually displayed.
Claims (8)
1. The utility model provides an automatic control high-pressure valve under water, contains disk seat, valve plate, valve rod, driver, valve body, the disk seat is equipped with in the valve body, be equipped with the valve plate in the middle of the disk seat, the valve rod, its characterized in that are connected to the valve plate upper end: the valve plate and the valve rod are connected with each other through a T-shaped concave-convex groove structure; the valve plate can move left and right along the valve rod through the T-shaped concave-convex groove structure, so that the deformation of the valve rod caused by bearing bending moment is reduced.
2. The subsea automatically controlled high pressure valve of claim 1, wherein: the valve plate and the valve rod in the T-shaped concave-convex groove structure are respectively a T-shaped valve plate and a valve rod with a groove, or the valve plate and the valve rod are respectively a valve plate with a groove and a T-shaped valve rod.
3. The subsea automatically controlled high pressure valve of claim 1, wherein: and a compensation sealing structure is arranged at the matching connection part between the valve seat and the valve body. The thrust is provided to compensate the matching between the valve plate and the valve seat, and the bending moment borne by the valve rod can be reduced.
4. The subsea automatically controlled high pressure valve of claim 3, wherein: the compensation seal structure is U type structure, and outside parcel rubber material has a horizontal spring inside, can independently provide thrust.
5. The subsea automatically controlled high pressure valve of claim 1, wherein: the piston in the driver is connected to valve rod upper end, and the spring that resets has been cup jointed to the piston periphery, drives the valve plate up-and-down motion by the piston drive valve rod in the driver to realize opening and closing of high-pressure valve.
6. The subsea automatically controlled high pressure valve of claim 1, wherein: the driver adopts seawater to replace oil as a hydraulic driving medium, so that the harm to the environment can be avoided.
7. The subsea automatically controlled high pressure valve of claim 1, wherein: the side face of the lower part of the driver is provided with a filter element, and when the filter element is used, seawater is introduced into the filter element to balance the internal pressure and the external pressure of the driver, and the seawater can be discharged when the filter element is pressed.
8. The subsea automatically controlled high pressure valve of claim 1, wherein: still fixedly connected with position indicator in the valve rod upper end, position indicator and the outer wall spout sliding fit of driver are connected, position indicator can follow reciprocating in the outer wall spout of driver, can demonstrate the valve rod stroke directly perceived.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011186594.1A CN112161075A (en) | 2020-10-30 | 2020-10-30 | Underwater automatic control high-pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011186594.1A CN112161075A (en) | 2020-10-30 | 2020-10-30 | Underwater automatic control high-pressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112161075A true CN112161075A (en) | 2021-01-01 |
Family
ID=73865238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011186594.1A Pending CN112161075A (en) | 2020-10-30 | 2020-10-30 | Underwater automatic control high-pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112161075A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806367A (en) * | 2009-02-16 | 2010-08-18 | 戴学祥 | Double disk parallel gate valve |
| CN102900859A (en) * | 2012-10-29 | 2013-01-30 | 宝鸡石油机械有限责任公司 | Underwater hydraulic driven type flat plate gate valve |
| CN104089077A (en) * | 2014-07-04 | 2014-10-08 | 中石化石油工程机械有限公司研究院 | Hydraulic drive device of underwater gate valve, underwater gate valve and control method of underwater gate valve |
| CN203906981U (en) * | 2014-05-21 | 2014-10-29 | 美钻能源科技(上海)有限公司 | Straight switching type underwater actuator |
| CN108443524A (en) * | 2018-05-21 | 2018-08-24 | 天津祥嘉流体控制系统有限公司 | The underwater flat gate valve of subsea tree |
-
2020
- 2020-10-30 CN CN202011186594.1A patent/CN112161075A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806367A (en) * | 2009-02-16 | 2010-08-18 | 戴学祥 | Double disk parallel gate valve |
| CN102900859A (en) * | 2012-10-29 | 2013-01-30 | 宝鸡石油机械有限责任公司 | Underwater hydraulic driven type flat plate gate valve |
| CN203906981U (en) * | 2014-05-21 | 2014-10-29 | 美钻能源科技(上海)有限公司 | Straight switching type underwater actuator |
| CN104089077A (en) * | 2014-07-04 | 2014-10-08 | 中石化石油工程机械有限公司研究院 | Hydraulic drive device of underwater gate valve, underwater gate valve and control method of underwater gate valve |
| CN108443524A (en) * | 2018-05-21 | 2018-08-24 | 天津祥嘉流体控制系统有限公司 | The underwater flat gate valve of subsea tree |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210101 |