CN214836262U

CN214836262U - Remote transmission remote control wellhead protector

Info

Publication number: CN214836262U
Application number: CN202121711193.3U
Authority: CN
Inventors: 刘忠利; 贾永鑫; 王锟; 杨静; 常砚芸; 李彬; 杨阳; 马银蔓; 李文军; 邱超; 张敏; 甘卉; 邓伟; 陈洪鑫
Original assignee: Beijing Jinkelong Petroleum Technology Development Co ltd
Current assignee: Beijing Jinkelong Petroleum Technology Development Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2021-11-23
Anticipated expiration: 2031-07-26

Abstract

The utility model relates to a teletransmission remote control well head protector belongs to the technical field of oil gas well valve control, it includes slide valve and gas-supply line, slide valve one end and gas-supply line intercommunication, the slide valve other end is connected with the clutch that control slide valve cut or open the inside route of gas-supply line, the clutch is kept away from slide valve one end and is connected with the executor that supplies clutch and slide valve closure or disconnection, be connected with pressure sensor on the gas-supply line, pressure sensor is provided with two and distributes in the slide valve both sides, be provided with the control unit who is used for gathering sensor signals on the executor, still be provided with the electric cabinet that provides the power for the executor, this application has when gas-supply line pressure appears unusually, can cut the effect of well head rapidly.

Description

Remote transmission remote control wellhead protector

Technical Field

The application relates to the technical field of valve control of oil and gas wells, in particular to a remote transmission remote control wellhead protector.

Background

At present, the development of oil and gas fields in China is in a rapid development stage, and safe, reliable, efficient and intelligent management is an important development direction of the oil and gas fields.

The wellhead protector is safety protection equipment of a well site, and protects the safety of the equipment and personnel. When the pressure of the gas transmission pipeline is abnormal, the gas source of the wellhead is cut off in time, so that the safety of equipment and personnel is protected.

To the correlation technique among the above-mentioned, the inventor thinks there is when the gas line pressure appears unusually, and the defect that well head air supply can't in time be cut off to well head protector.

SUMMERY OF THE UTILITY MODEL

In order to reach when the gas transmission line pressure appears unusually, can block the effect of well head air supply rapidly, this application provides a teletransmission remote control well head protector.

The application provides a teletransmission remote control wellhead protector adopts following technical scheme:

the utility model provides a teletransmission remote control well head protector, includes slide valve and gas-supply line, slide valve one end and gas-supply line intercommunication, the slide valve other end is connected with the clutch that control slide valve cut or open the inside route of gas-supply line, the clutch is kept away from slide valve one end and is connected with the executor that supplies clutch and slide valve closure or disconnection, is connected with pressure sensor on the gas-supply line, pressure sensor is provided with two and distributes in the slide valve both sides, is provided with the control unit who is used for gathering pressure sensor signals on the executor, still is provided with the electric cabinet that provides the power for the executor.

Through adopting above-mentioned technical scheme, when gas line pressure appears unusually, when high pressure, low pressure and pressure change rate exceeded the setting value promptly, two pressure sensor transmitted the signal transmission of gathering to the control unit, and the control unit touches the executor and makes clutch and gate valve take place the cooperation to control gate valve cuts the gas line, reaches when gas line pressure appears unusually, can cut the effect of well head air supply rapidly, has guaranteed equipment and constructor's safety.

Optionally, the gate valve is an open-bar gate valve, a valve rod of the gate valve is provided with a rack, a clutch is connected with a gear shaft in a key manner, a gear is fixedly sleeved on the gear shaft, and the gear is meshed with the rack; a valve plate is fixed at one end of the valve rod, which is far away from the rack, a spring seat is fixed at one end of the valve plate, which is far away from the valve rod, a spring is fixed at one side of the spring seat, which is far away from the valve plate, and one end of the spring, which is far away from the spring seat, is abutted against the inner wall of the shell of the gate valve; the spring is in the original length state, and the valve plate blocks off the inner passage of the gas transmission pipeline, and the clutch is normally closed.

By adopting the technical scheme, the clutch is normally closed, when the pressure of the gas transmission pipeline is abnormal, the control unit controls the actuator to separate the clutch, and the valve plate realizes the quick closing of the internal passage of the gas transmission pipeline under the acting force of the spring; when the valve plate needs to reset, the clutch is closed, the actuator drives the clutch to rotate, and therefore the gear drives the rack to move, and the valve plate is reset.

Optionally, the outer ring of the two pressure sensors is sleeved with a sleeve, and the sleeve is made of stainless steel.

Through adopting above-mentioned technical scheme, select the sleeve pipe of stainless steel for use to form the protection to pressure sensor, avoid outside collision to cause the damage to pressure sensor.

Optionally, the executor includes the executor shell, and the clutch is located inside the executor shell, and gate valve and executor shell fixed connection, inside the rack penetrated the executor shell, clutch and executor shell inner space adaptation, the gear shaft was kept away from and is provided with deep groove ball bearing between executor one end and the executor shell inner wall.

Through adopting above-mentioned technical scheme, the executor shell wraps up the clutch, has strengthened the wholeness, provides convenience for the operation of clutch simultaneously, need not other shells and bear the clutch, and the smooth and easy rotation of gear shaft has been guaranteed in the setting of deep groove ball bearing, has introduced the mutual wearing and tearing of gear shaft and executor shell.

Optionally, a fixed pulley is arranged in the actuator shell, the fixed pulley is fixedly connected with the inner wall of the actuator shell, and one side of the rack, which is far away from the gear, is abutted against the fixed pulley.

Through adopting above-mentioned technical scheme, when rack and gear cooperation transmission, because the gear can not take place the displacement in the existence of gear shaft, the same fixed pulley can not take place the displacement yet, and fixed pulley and gear form the spacing of horizontal direction to the rack, guarantee the stable transmission of rack.

Optionally, a glass window is arranged on the actuator shell, and the glass window is arranged right opposite to the gear.

Through adopting above-mentioned technical scheme, observe gear and rack engagement state through the glass window, observe whether the fixed pulley position needs the adjustment, guarantee the stable transmission of rack and gear.

Optionally, a text board for the staff to judge the opening or closing state of the flashboard valve is arranged on the glass window.

Through adopting above-mentioned technical scheme, observe the position of the relative gear of rack through the glass window, contrast the literal board to open state still closed state when judging the state of slide valve.

Optionally, the word board is located the glass window and is close to the inside one side of executor shell, and the glass window deviates from word board one side and is provided with the clamp plate, and the glass of glass window self and word board are embedded on the executor shell, and the clamp plate sticiss glass window self glass and fixed with the executor shell.

Through adopting above-mentioned technical scheme, when glass damages or the word board need be adjusted, only need with the clamp plate dismantle can, glass and the installation of word board press-fit type have reduced the damage when installing or dismantling glass and word board.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the gate valve, the clutch, the actuator and the pressure sensor are arranged, so that when the pressure of the gas transmission pipeline is abnormal, the effect of cutting off a wellhead gas source can be achieved rapidly, and the safety of equipment and constructors is ensured;

2. the fixed pulley and the gear form horizontal limit to the rack, and stable vertical transmission of the rack is guaranteed.

Drawings

FIG. 1 is a partial sectional view showing the structure of the clutch and the internal structure of the gate valve;

FIG. 2 is a cross-sectional view taken at 1-1 of FIG. 1;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure, 1, a gate valve; 11. a rack; 12. a valve stem; 13. a valve plate; 14. a spring seat; 15. a spring; 2. a gas line; 3. a clutch; 31. a gear shaft; 32. a gear; 4. an actuator; 41. an actuator housing; 411. a glass window; 412. a text board; 413. pressing a plate; 42. a control unit; 5. a pressure sensor; 51. a sleeve; 6. a deep groove ball bearing; 7. a fixed pulley; 8. a drive shaft; 9. an electric cabinet.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses teletransmission remote control well head protector.

Referring to fig. 1 and 2, the remote control wellhead protector comprises an actuator 4, a clutch 3 and a gate valve 1, wherein a control unit 42 and an electric cabinet 9 are fixed on the actuator 4, and the electric cabinet 9 provides electric energy for the actuator 4. Clutch 3 is located inside

executor shell

41, 3 one end of clutch and 4 key links of executor, the other end is connected with slide valve 1, 3 one end intercommunications of clutch are kept away from to slide valve 1 have gas-supply line 2, be connected with pressure sensor 5 on the gas-supply line 2, pressure sensor 5 is used for monitoring the inside pressure of gas-supply line 2, when the inside pressure of gas-supply line 2 produces unusually, control unit 42 touches executor 4 and makes clutch 3 and slide valve 1 take place the cooperation, thereby control slide valve 1 cuts gas-supply line 2, reach the effect of cutting the well head air supply rapidly, guarantee the safe effect of equipment and constructor.

Referring to fig. 1 and 2, a transmission shaft 8 is arranged between an actuator 4 and a clutch 3, the transmission shaft 8 is fixedly connected with the actuator 4, the other end of the transmission shaft 8 is fixedly connected with the clutch 3, the inner space of an actuator housing 41 is matched with the shape of the clutch 3, a gear shaft 31 is keyed on one side of the clutch 3, which is far away from the transmission shaft 8, the gear shaft 31 and the transmission shaft 8 are coaxial, a deep groove ball bearing 6 is arranged between one end of the gear shaft 31, which is far away from the clutch 3, and the inner wall of the actuator housing 41, and the deep groove ball bearing 6 reduces the abrasion between the gear shaft 31 and the actuator housing 41. Wherein the clutch 3 adopts a normally closed clutch 3.

Referring to fig. 1 and 2, the gear 32 is sleeved on the gear shaft 31, one end of the gate valve 1 is fixedly connected with the actuator shell 41, the gate valve 1 adopts the open rod type gate valve 1, one end of the valve plate 13 of the gate valve 1 is fixedly connected with the valve rod 12, the other end of the valve plate is fixedly connected with the spring seat 14, the spring seat 14 deviates from the valve plate 13, one end of the spring 15 is fixedly connected with the spring 15, the end part of the spring is sleeved on the spring seat 14, and the other end of the spring 15 is abutted to the inner wall of the shell of the gate valve 1. The valve plate 13 is provided with a hole, and when the hole is superposed with the inner passage of the gas transmission pipeline 2, the gate valve 1 is in an open state. One end of the valve rod 12, which is far away from the valve plate 13, penetrates into the actuator housing 41 and is fixedly connected with a rack 11, and the rack 11 is meshed with the gear 32. When the spring 15 is in the original length state, the valve plate 13 blocks the passage inside the gas line 2.

Referring to fig. 2, a fixed pulley 7 is arranged in the actuator housing 41, the fixed pulley 7 is fixedly connected with the inner wall of the actuator housing 41, the fixed pulley 7 and the gear 32 are symmetrically arranged at two sides of the rack 11, so that the rack 11 is limited in the horizontal direction, and stable vertical transmission of the rack 11 is ensured.

Referring to fig. 2 and 3, a glass window 411 is formed on the actuator housing 41, and a worker can see the meshing position of the gear 32 and the rack 11 through the glass window 411. Glass window 411 self glass is close to the inside one side of executor 4 shell and is provided with text board 412, and glass deviates from text board 412 one side and is provided with clamp plate 413, and glass and text board 412 are all embedded on executor 4 shell, and clamp plate 413 is sticis glass and is fixed on executor shell 41 through the screw, and the staff observes the position of the relative gear 32 of rack 11 through glass window 411 to compare with text board 412, thereby know that slide valve 1 is opened or closed state.

Referring to fig. 1 and 2, two pressure sensors 5 are arranged on the gas transmission pipeline 2, the two pressure sensors 5 are located on two sides of the gate valve 1, a sleeve 51 is sleeved on each pressure sensor 5, and the sleeve 51 is made of stainless steel and plays a role in protecting the pressure sensors 5.

The implementation principle of the remote control wellhead protector of the embodiment of the application is as follows: when the pressure of the gas transmission pipeline 2 is abnormal, namely when the high pressure, the low pressure and the pressure change rate exceed set values, the two pressure sensors 5 transmit collected signals to the control unit 42, the control unit 42 triggers the actuator 4 to separate the clutch 3, and the valve plate 13 realizes the quick closing of an internal passage of the gas transmission pipeline 2 under the acting force of the spring 15; when the valve plate 13 needs to be reset, the clutch 3 is closed, and the actuator 4 drives the clutch 3 to rotate, so that the gear 32 drives the rack 11 to move, and the reset of the valve plate 13 is completed; this application has reached when 2 pressure of gas-supply line appear unusually, can block the well head air supply rapidly, guarantees the effect of equipment and constructor safety.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a teletransmission remote control well head protector which characterized in that: including slide valve (1) and gas-supply line (2), slide valve (1) one end and gas-supply line (2) intercommunication, the slide valve (1) other end is connected with control slide valve (1) and cuts or opens clutch (3) of gas-supply line (2) inner passage, clutch (3) are kept away from slide valve (1) one end and are connected with executor (4) that supply clutch (3) and slide valve (1) to close or disconnect, be connected with pressure sensor (5) on gas-supply line (2), pressure sensor (5) are provided with two and distribute in slide valve (1) both sides, be provided with control unit (42) that are used for gathering pressure sensor (5) signals on executor (4), still be provided with electric cabinet (9) that executor (4) provide the power.

2. The remote-transmission remote-control wellhead protector according to claim 1, characterized in that: the gate valve (1) is an open-bar gate valve (1), a rack (11) is arranged on a valve rod (12) of the gate valve (1), a gear shaft (31) is connected to the clutch (3) in a key mode, a gear (32) is fixedly sleeved on the gear shaft (31), and the gear (32) is meshed with the rack (11); a valve plate (13) is fixed at one end, far away from the rack (11), of the valve rod (12), a spring seat (14) is fixed at one end, far away from the valve rod (12), of the valve plate (13), a spring (15) is fixed at one side, far away from the valve plate (13), of the spring seat (14), and one end, far away from the spring seat (14), of the spring (15) is abutted against the inner wall of a shell of the gate valve (1); the spring (15) is in the original length state, the valve plate (13) blocks the internal passage of the gas transmission pipeline (2), and the clutch (3) is in a normally closed type.

3. The remote-transmission remote-control wellhead protector according to claim 1, characterized in that: the outer rings of the two pressure sensors (5) are sleeved with sleeves (51), and the sleeves (51) are made of stainless steel materials.

4. The remote-transmission remote-control wellhead protector according to claim 2, characterized in that: the actuator (4) comprises an actuator shell (41), the clutch (3) is located inside the actuator shell (41), the gate valve (1) is fixedly connected with the actuator shell (41), the rack (11) penetrates into the actuator shell (41), the clutch (3) is matched with the inner space of the actuator shell (41), and the gear shaft (31) is far away from the deep groove ball bearing (6) between one end of the actuator (4) and the inner wall of the actuator shell (41).

5. The remote control wellhead protector according to claim 4, wherein: be provided with fixed pulley (7) in executor shell (41), fixed pulley (7) and executor shell (41) inner wall fixed connection, rack (11) deviate from gear (32) one side and fixed pulley (7) butt.

6. The remote control wellhead protector according to claim 4, wherein: a glass window (411) is arranged on the actuator shell (41), and the glass window (411) is arranged right opposite to the gear (32).

7. The remote-transmission remote-control wellhead protector according to claim 6, characterized in that: and a text plate (412) for the staff to judge the opening or closing state of the gate valve (1) is arranged on the glass window (411).

8. The remote-transmission remote-control wellhead protector according to claim 7, characterized in that: the character plate (412) is located at one side of the glass window (411) close to the interior of the actuator shell (41), a pressing plate (413) is arranged at one side of the glass window (411) departing from the character plate (412), glass of the glass window (411) and the character plate (412) are embedded in the actuator shell (41), and the pressing plate (413) tightly presses the glass of the glass window (411) and is fixed with the actuator shell (41).