An intelligent automatic control pressure flow monitoring wellhead

Abstract

The present invention relates to the technical field of oil wellheads, and specifically to a wellhead for intelligent automatic control of pressure and flow monitoring, comprising a well body, a casing, a gate valve assembly, a pump, a monitoring assembly, a docking tool, a disassembly assembly, an oil pipe and an air pipe. An ultrasonic flow meter is installed on the outside of the oil pipe; it is convenient to monitor the oil production flow in real time, and reflect the production efficiency of the equipment according to the flow data. The pump body and the casing are both equipped with a liquid level sensor, a pressure sensor and a temperature sensor, which are convenient to reflect the temperature, pressure and liquid level information inside the pump body and the casing in real time, and adjust the operation of the equipment according to the temperature, pressure and liquid level data; a disassembly assembly is installed on the gate valve assembly, and a pump is installed on the disassembly assembly. The gate valve assembly is convenient for automatic control of opening and closing. When the gate valve assembly is completely closed, the gate valve assembly releases the limit on the pump, effectively preventing blowout caused by misoperation. The setting of the disassembly assembly is convenient for lifting and limiting the pump, making the installation and disassembly of the pump more convenient and quick.

Description

Technical Field

[0001] The invention relates to the technical field of petroleum wellheads, in particular to a wellhead capable of intelligently and automatically controlling pressure and flow rate monitoring. Background Art

[0002] The main function of oil well monitoring equipment is to ensure the safe production of oil wells and improve production efficiency. Through real-time monitoring, potential problems can be discovered and dealt with in a timely manner, accidents can be prevented, and casualties and economic losses can be reduced. In addition, monitoring data can also be used to optimize production processes and improve resource utilization.

[0003] When oil is extracted at the wellhead of an oil field through a pumping unit, there is no monitoring component inside the pump body, and the internal temperature, pressure and liquid level information cannot be monitored in real time, which easily causes empty suction inside the pump body, resulting in energy waste and equipment damage, and it is not convenient to monitor the oil production in real time;

[0004] A gate valve is usually installed between the pump body and the casing to control the opening and closing of the oil. When the pump body needs to be repaired and maintained, the bolts between the gate valve and the pump body need to be removed, which is inefficient. If the pump body is removed without closing the gate valve, it is easy to cause a blowout during misoperation, affecting operational safety.

[0005] The gate valve and casing are connected by bolts, the operating space at the wellhead is small, the installation and disassembly are not convenient and quick enough, and the operating efficiency is low. Therefore, an intelligent automatic control pressure and flow monitoring wellhead is needed to solve the above technical problems. Summary of the invention

[0006] In view of the problems in the prior art, the present invention provides a wellhead for intelligent automatic control of pressure and flow monitoring.

[0007] The technical solution adopted by the present invention to solve the technical problem is: a wellhead with intelligent automatic control pressure flow monitoring, comprising a casing and a well body fixed to the outside of the casing; a gate valve assembly is installed on the top of the casing through a docking tool, a disassembly assembly is installed on the gate valve assembly, a pump component is installed on the disassembly assembly, the pump component comprises a pump body, and the pump body is fixed to the top of the gate valve assembly; oil pipes and air pipes are installed on both sides of the top of the pump body;

[0008] A monitoring component is installed on the pump body and the casing, and the monitoring component includes a support frame and a controller. The support frame is fixed on the well body, and the controller is installed on the top of the support frame; an ultrasonic flow meter is installed on the outside of the oil pipe; a liquid level sensor, a pressure sensor and a temperature sensor are installed on the pump body and the casing; the ultrasonic flow meter, liquid level sensor, pressure sensor and temperature sensor are all connected to the controller.

[0009] Specifically, the gate valve assembly includes a valve body and a connecting head, the connecting head is rotatably connected to the sleeve, the valve body is fixed to the top of the connecting head, the top surface of the valve body is fixed to a first hydraulic cylinder, the telescopic end of the first hydraulic cylinder is fixed to a push block, the end of the push block is fixed to a valve plate, the valve plate is slidably connected to the valve body, and the valve plate controls the flow of fluid inside the valve body.

[0010] Specifically, the docking tooling includes a docking block and a docking plate. A plurality of L-shaped docking blocks are fixed in a circumferential array on the outer circumference of the sleeve, and a plurality of docking plates are fixed in a circumferential array on the connector. The docking blocks are in vertical contact with the docking plates.

[0011] Specifically, a connecting block is fixed to the side wall of the sleeve, a rotating shaft is rotatably arranged inside the connecting block, the rotating shaft is fixed to the second hydraulic cylinder, one end of the second hydraulic cylinder away from the rotating shaft is rotatably connected to the connecting shaft, and the connecting shaft is fixed to the valve body.

[0012] Specifically, an anti-drop plate is fixed at the bottom end of the pump body, a notch is provided at one end of the anti-drop plate away from the first hydraulic cylinder, an anti-drop frame is fixed on the push block, and an end of the anti-drop frame facing the notch is L-shaped.

[0013] Specifically, two plug bodies are correspondingly provided inside the pump body, one plug body is fixed to the bottom end of the pump body, and the other plug body is slidably connected to the pump body and fixed to a connecting frame, the connecting frame is fixed to a sucker rod, the sucker rod is slidably connected to the pump body, a valve ball is installed at the hole of the plug body, the valve ball is fixed to a tension spring, the tension spring is fixed to a baffle rod, and the baffle rod is fixed to the plug body.

[0014] Specifically, the disassembly and assembly assembly includes a guide rail, the top surface of the valve body is installed with the guide rail, and the anti-slip frame is slidably connected to the guide rail.

[0015] Specifically, a sliding sleeve is installed on the guide rail, a sliding rod is slidably provided in the sliding sleeve, the sliding rod is fixed to the docking ring, and the docking ring is fixed to the pump body.

[0016] Specifically, a third hydraulic cylinder is fixed to the top end of the valve body, and a telescopic end of the third hydraulic cylinder is fixed to the docking ring.

[0017] The beneficial effects of the present invention are:

[0018] In the wellhead for intelligent automatic pressure and flow monitoring described in the present invention, a docking tool is arranged between the gate valve assembly and the casing, so that the installation and disassembly between the connector in the gate valve assembly and the casing is more convenient and quick.

[0019] The invention discloses an intelligent automatic pressure and flow monitoring wellhead, in which an ultrasonic flowmeter is installed on the outside of the oil pipe, so as to monitor the oil production flow in real time and reflect the production efficiency of the equipment according to the flow data; a liquid level sensor, a pressure sensor and a temperature sensor are installed on the pump body and the casing, so as to reflect the temperature, pressure and liquid level information inside the pump body and the casing in real time and adjust the operation of the equipment according to the temperature, pressure and liquid level data.

[0020] The present invention discloses an intelligent automatic control pressure flow monitoring wellhead, in which a disassembly assembly is installed on the gate valve assembly, and a pump component is installed on the disassembly assembly. The gate valve assembly is convenient for automatic control of opening and closing. When the gate valve assembly is completely closed, the gate valve assembly releases the limit on the pump component, effectively preventing blowouts caused by misoperation. At the same time, the provision of the disassembly assembly facilitates the lifting and limiting of the pump component, making the installation and disassembly of the pump component more convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0022] Figure 1 A schematic diagram of the overall structure of a preferred embodiment of a wellhead for intelligent automatic control of pressure and flow monitoring provided by the present invention;

[0023] Figure 2 It is a schematic diagram of the connection structure between the sleeve and the docking tooling of the present invention;

[0024] Figure 3 A schematic diagram of the connection structure between the anti-drop frame and the guide rail of the present invention;

[0025] Figure 4 It is a structural schematic diagram of the anti-slip plate and the notch of the present invention;

[0026] Figure 5 It is a schematic diagram of the connection structure between the oil pipe and the ultrasonic flowmeter of the present invention;

[0027] Figure 6 for Figure 5 An enlarged schematic diagram of the structure of section A is shown;

[0028] Figure 7 for Figure 5 sectional view of;

[0029] Figure 8 for Figure 7 An enlarged schematic diagram of the structure of part B is shown;

[0030] Fig. 9 It is a schematic structural diagram of the plug body and the connecting frame of the present invention.

[0031] In the figure: 1, well body; 2, casing; 3, gate valve assembly; 301, valve body; 302, connector; 303, first hydraulic cylinder; 304, push block; 305, anti-drop frame; 306, valve plate; 4, pump parts; 401, pump body; 402, sucker rod; 403, anti-drop plate; 404, notch; 405, plug body; 406, stopper rod; 407, tension spring; 408, valve ball; 409, connecting frame; 5, monitoring assembly; 501, ultrasonic flowmeter; 502, Support frame; 503, controller; 504, liquid level sensor; 505, pressure sensor; 506, temperature sensor; 6, docking tooling; 601, docking block; 602, docking plate; 603, rotating shaft; 604, connecting block; 605, second hydraulic cylinder; 606, connecting shaft; 7, disassembly and assembly components; 701, guide rail; 702, sliding sleeve; 703, sliding rod; 704, third hydraulic cylinder; 705, docking ring; 8, oil pipe; 9, air pipe; 10, cover plate. DETAILED DESCRIPTION

[0032] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0033] like Figure 1 , Figure 2 , Figure 7 and Figure 8 As shown, a wellhead for intelligent automatic control of pressure and flow monitoring of the present invention comprises a casing 2 and a well body 1 fixed to the outside of the casing 2; a gate valve assembly 3 is installed at the top of the casing 2 through a docking tool 6, a disassembly assembly 7 is installed on the gate valve assembly 3, a pump component 4 is installed on the disassembly assembly 7, and the pump component 4 comprises a pump body 401, and the pump body 401 is fixed to the top of the gate valve assembly 3; an oil pipe 8 and an air pipe 9 are installed on both sides of the top of the pump body 401;

[0034] The pump body 401 and the casing 2 are provided with a monitoring assembly 5, the monitoring assembly 5 comprising a support frame 502 and a controller 503, the support frame 502 is fixed on the well body 1, and the controller 503 is installed on the top of the support frame 502; an ultrasonic flow meter 501 is installed on the outside of the oil pipe 8; a liquid level sensor 504, a pressure sensor 505 and a temperature sensor 506 are installed on the pump body 401 and the casing 2; the ultrasonic flow meter 501, the liquid level sensor 504, the pressure sensor 505 and the temperature sensor 506 are all connected to the controller 503;

[0035] An ultrasonic flowmeter 501 is installed on the outside of the oil pipe 8; a liquid level sensor 504, a pressure sensor 505 and a temperature sensor 506 are installed on the pump body 401 and the casing 2, and a controller 503 is installed on the support frame 502. The ultrasonic flowmeter 501 is used to monitor the oil production flow in real time, and the data is transmitted to the inside of the controller 503. After being processed by the controller 503, it is transmitted to the background terminal. The equipment operation status is reflected in real time according to the changes in the oil production data. When the oil production volume is significantly reduced, the pump 4 and other components are regularly inspected and maintained. The liquid level, pressure and temperature information inside the pump body 401 and the casing 2 are reflected in real time through the liquid level sensor 504, the pressure sensor 505 and the temperature sensor 506. The working efficiency and mode of the equipment are adjusted according to the collected data to prevent equipment damage caused by high temperature and high pressure.

[0036] Specifically, Figure 2 , Figure 3 , Figure 5 , Figure 6 and Figure 8 As shown, the gate valve assembly 3 includes a valve body 301 and a connector 302, the connector 302 is rotatably connected to the sleeve 2, the valve body 301 is fixed to the top of the connector 302, the first hydraulic cylinder 303 is fixed to the top surface of the valve body 301, a push block 304 is fixed to the telescopic end of the first hydraulic cylinder 303, a valve plate 306 is fixed to the end of the push block 304, the valve plate 306 is slidably connected to the valve body 301, and the valve plate 306 controls the on-off of the fluid inside the valve body 301;

[0037] The docking tool 6 includes a docking block 601 and a docking plate 602. A plurality of docking blocks 601 of L-shaped structure are fixed on the outer circumference array of the sleeve 2, and a plurality of docking plates 602 are fixed on the circumference array of the connector 302. The docking block 601 and the docking plate 602 are in contact with each other up and down. A connecting block 604 is fixed on the side wall of the sleeve 2. A rotating shaft 603 is rotatably arranged inside the connecting block 604. The rotating shaft 603 is fixed to a second hydraulic cylinder 605. One end of the second hydraulic cylinder 605 away from the rotating shaft 603 is rotatably connected to a connecting shaft 606. The connecting shaft 606 is fixed to the valve body 301.

[0038] When installing the connector 302 and the sleeve 2, the connector 302 is aligned with the sleeve 2, and the rotating shaft 603 is inserted into the connecting block 604 on the sleeve 2. At this time, the docking block 601 and the docking plate 602 are staggered, which will not affect the downward movement of the connector 302. Then the second hydraulic cylinder 605 is started, the second hydraulic cylinder 605 is extended, one end of the second hydraulic cylinder 605 and the connecting shaft 606 rotate, and the rotating shaft 603 and the connecting block 604 rotate, so that the second hydraulic cylinder 605 and the connecting shaft 606 rotate while driving the valve body 301 to rotate counterclockwise. The valve body 301 drives the connector 302 to rotate counterclockwise, so that the docking plate 602 is stuck in the bottom end of the docking block 601, thereby preventing the connector 302 and the sleeve 2 from moving up and down, and making the connector 302 resist the internal rubber ring of the sleeve 2, so that the sealing is better, which is convenient for quick installation and disassembly of the gate valve assembly 3 and the sleeve 2, and improves the operating efficiency.

[0039] Specifically, Figure 1 , Figure 2 , Figure 3 and Figure 7-Figure 9 As shown, an anti-slip plate 403 is fixed to the bottom end of the pump body 401, and a notch 404 is provided at the end of the anti-slip plate 403 away from the first hydraulic cylinder 303, and an anti-slip frame 305 is fixed to the push block 304, and the end of the anti-slip frame 305 facing the notch 404 is L-shaped; when the pump component 4 needs to be disassembled, the cover plate 10 is opened, the first hydraulic cylinder 303 extends to drive the push block 304 to slide, and the push block 304 drives the valve plate 306 to close the valve body 301, so that In order to quickly close the valve body 301, the push block 304 drives the anti-dropping frame 305 to slide on the anti-dropping plate 403. When the valve plate 306 is completely closed, the anti-dropping frame 305 corresponds to the notch 404, and the anti-dropping plate 403 will not move upward. When the valve plate 306 is not completely closed, the anti-dropping frame 305 is at the top of the anti-dropping plate 403, so that the anti-dropping plate 403 cannot move upward, thereby preventing the pump component 4 from being disassembled before the valve plate 306 is completely closed, thereby improving the operation safety.

[0040] Two plug bodies 405 are correspondingly arranged inside the pump body 401, one plug body 405 is fixed to the bottom end of the pump body 401, and the other plug body 405 is slidably connected to the pump body 401 and fixed to the connecting frame 409, and the connecting frame 409 is fixed to the sucker rod 402, and the sucker rod 402 is slidably connected to the pump body 401, and a valve ball 408 is installed at the hole of the plug body 405, and the valve ball 408 is fixed to the tension spring 407, and the tension spring 407 is fixed to the baffle rod 406, and the baffle rod 406 is fixed to the plug body 405; during the oil pumping process, the kowtow machine drives the sucker rod 402 to slide back and forth, and the sucker rod 402 drives the connecting frame 409 to move downward, and the two When the oil pump 410 is turned on, the valve ball 408 at the top moves upward, causing the valve ball 408 to not seal the plug body 405, allowing the oil to enter the space where the upper plug body 405 is located. When the sucker rod 402 moves upward, the upper valve ball 408 seals the plug body 405 under the action of the oil above, so that the oil is lifted from the pump body 401 to the oil pipe 8. The space between the two plug bodies 405 becomes larger, and the valve ball 408 at the bottom is driven by the atmospheric pressure to not seal the plug body 405, thereby allowing the oil in the casing 2 to enter between the two plug bodies 405.

[0041] Specifically, Figure 4 As shown, the disassembly and assembly component 7 includes a guide rail 701, the top surface of the valve body 301 is installed with the guide rail 701, and the anti-slip frame 305 is slidably connected to the guide rail 701; the anti-slip frame 305 is slidably connected to the guide rail 701, so that the sliding of the anti-slip frame 305 is more stable.

[0042] Specifically, Figure 1-Figure 6 As shown, a sliding sleeve 702 is installed on the guide rail 701, and a sliding rod 703 is slidably provided in the sliding sleeve 702, and the sliding rod 703 is fixed to the docking ring 705, and the docking ring 705 is fixed to the pump body 401. A third hydraulic cylinder 704 is fixed to the top of the valve body 301, and the telescopic end of the third hydraulic cylinder 704 is fixed to the docking ring 705; the extension of the third hydraulic cylinder 704 drives the docking ring 705 to move upward, and the docking ring 705 drives the sliding rod 703 and the sliding sleeve 702 to slide, thereby facilitating the lifting of the pump component 4, making the installation and disassembly of the pump component 4 more convenient and quick.

[0043] When the present invention is used, firstly, an ultrasonic flowmeter 501 (the model of the ultrasonic flowmeter is PPM1188C) is installed on the outside of the oil pipe 8; a liquid level sensor 504, a pressure sensor 505 and a temperature sensor 506 (the model of the liquid level sensor is PPM-T9204, the model of the pressure sensor is ST-R111, and the model of the temperature sensor is PPM-WZP) are installed on the pump body 401 and the casing 2; a controller 503 (the model of the controller is HP-AIOCAT-244 ), the oil production flow is monitored in real time by the ultrasonic flowmeter 501, and the data is transmitted to the controller 503, which is then processed by the controller 503 and transmitted to the background terminal. The equipment operation status is reflected in real time according to the changes in the oil production data. When the oil production volume is significantly reduced, the pump 4 and other components are regularly inspected and maintained. The liquid level, pressure and temperature information inside the pump body 401 and the casing 2 are reflected in real time by the liquid level sensor 504, the pressure sensor 505 and the temperature sensor 506. The working efficiency and mode of the equipment are adjusted according to the collected data to prevent the equipment from being damaged by high temperature and high pressure;

[0044] When installing the connector 302 and the sleeve 2, the connector 302 is aligned with the sleeve 2, and the rotating shaft 603 is inserted into the connecting block 604 on the sleeve 2. At this time, the docking block 601 and the docking plate 602 are staggered, which will not affect the downward movement of the connector 302. Then the second hydraulic cylinder 605 is started, the second hydraulic cylinder 605 is extended, one end of the second hydraulic cylinder 605 and the connecting shaft 606 rotate, and the rotating shaft 603 and the connecting block 604 rotate, so that the second hydraulic cylinder 605 and the connecting shaft 606 rotate while driving the valve body 301 to rotate counterclockwise, and the valve body 301 drives the connector 302 to rotate counterclockwise, so that the docking plate 602 is stuck in the bottom end of the docking block 601, thereby preventing the connector 302 and the sleeve 2 from moving up and down, and making the connector 302 contact the internal rubber ring of the sleeve 2, so that the sealing is better, which is convenient for quick installation and removal of the gate valve assembly 3 and the sleeve 2, and improves the operation efficiency;

[0045] When the pump component 4 needs to be disassembled, the cover plate 10 is opened, the first hydraulic cylinder 303 is extended to drive the push block 304 to slide, and the push block 304 drives the valve plate 306 to close the valve body 301, so as to facilitate the rapid closing of the valve body 301, and the push block 304 drives the anti-dropping frame 305 to slide on the anti-dropping plate 403. When the valve plate 306 is completely closed, the anti-dropping frame 305 corresponds to the notch 404, and the anti-dropping plate 403 will not move upward. When the valve plate 306 is not completely closed, the anti-dropping frame 305 is at the top of the anti-dropping plate 403, so that the anti-dropping plate 403 cannot move upward, thereby preventing the pump component 4 from being disassembled before the valve plate 306 is completely closed, thereby improving the operation safety.

[0046] The anti-slip frame 305 is slidably connected to the guide rail 701, so that the anti-slip frame 305 slides more stably, the third hydraulic cylinder 704 extends to drive the docking ring 705 to move upward, and the docking ring 705 drives the slide rod 703 and the slide sleeve 702 to slide, thereby facilitating the lifting of the pump member 4, making the installation and removal of the pump member 4 more convenient and quick;

[0047] During the oil pumping process, the nodding machine drives the sucker rod 402 to slide back and forth. During the downward movement of the connecting frame 409 driven by the sucker rod 402, the pressure between the two plug bodies 405 increases, and a valve ball 408 at the bottom contacts and seals with the plug body 405 under the action of pressure. A valve ball 408 at the top moves upward under the action of oil, so that the valve ball 408 is not sealed against the plug body 405, allowing the oil to enter the space where the upper plug body 405 is located. When the sucker rod 402 moves upward, under the action of the oil above, the valve ball 408 above seals the plug body 405, so that the oil is lifted from the pump body 401 to the oil pipe 8, and the space between the two plug bodies 405 becomes larger. Under the action of atmospheric pressure, the valve ball 408 at the bottom is driven to be not sealed against the plug body 405, thereby allowing the oil in the casing 2 to enter between the two plug bodies 405.

[0048] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0049] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A wellhead with intelligent automatic control of pressure and flow monitoring, characterized in that: It comprises a casing (2) and a well body (1) fixed to the outside of the casing (2); a gate valve assembly (3) is installed on the top of the casing (2) through a docking tool (6); a disassembly assembly (7) is installed on the gate valve assembly (3); a pump component (4) is installed on the disassembly assembly (7); the pump component (4) comprises a pump body (401); the pump body (401) is fixed to the top of the gate valve assembly (3); an oil pipe (8) and an air pipe (9) are installed on both sides of the top of the pump body (401); A monitoring component (5) is installed on the pump body (401) and the casing (2), and the monitoring component (5) comprises a support frame (502) and a controller (503). The support frame (502) is fixed on the well body (1), and the controller (503) is installed on the top of the support frame (502); an ultrasonic flow meter (501) is installed on the outside of the oil pipe (8); a liquid level sensor (504), a pressure sensor (505) and a temperature sensor (506) are installed on the pump body (401) and the casing (2); the ultrasonic flow meter (501), the liquid level sensor (504), the pressure sensor (505) and the temperature sensor (506) are all connected to the controller (503); The gate valve assembly (3) comprises a valve body (301) and a connector (302), wherein the connector (302) is rotatably connected to the sleeve (2), the valve body (301) is fixed to the top of the connector (302), the first hydraulic cylinder (303) is fixed to the top surface of the valve body (301), a push block (304) is fixed to the telescopic end of the first hydraulic cylinder (303), a valve plate (306) is fixed to the end of the push block (304), the valve plate (306) is slidably connected to the valve body (301), and the valve plate (306) controls the on-off of the fluid inside the valve body (301); The docking tool (6) comprises a docking block (601) and a docking plate (602); a plurality of docking blocks (601) of L-shaped structures are fixed in an array on the outer circumference of the sleeve (2); a plurality of docking plates (602) are fixed in an array on the upper circumference of the connector (302); the docking blocks (601) and the docking plates (602) are in contact with each other up and down; A connecting block (604) is fixed to the side wall of the sleeve (2), a rotating shaft (603) is rotatably provided inside the connecting block (604), the rotating shaft (603) is fixed to the second hydraulic cylinder (605), one end of the second hydraulic cylinder (605) away from the rotating shaft (603) is rotatably connected to the connecting shaft (606), and the connecting shaft (606) is fixed to the valve body (301); an anti-slip plate (403) is fixed to the bottom end of the pump body (401), a notch (404) is provided at one end of the anti-slip plate (403) away from the first hydraulic cylinder (303), an anti-slip frame (305) is fixed to the push block (304), and one end of the anti-slip frame (305) facing the notch (404) is L-shaped.

2. The intelligent automatic control pressure and flow monitoring wellhead according to claim 1 is characterized by: Two plug bodies (405) are correspondingly arranged inside the pump body (401), one plug body (405) is fixed to the bottom end of the pump body (401), and the other plug body (405) is slidably connected to the pump body (401) and fixed to a connecting frame (409), the connecting frame (409) is fixed to a sucker rod (402), the sucker rod (402) is slidably connected to the pump body (401), a valve ball (408) is installed at the hole of the plug body (405), the valve ball (408) is fixed to a tension spring (407), the tension spring (407) is fixed to a stop rod (406), and the stop rod (406) is fixed to the plug body (405).

3. The intelligent automatic control pressure flow monitoring wellhead according to claim 2 is characterized by: The disassembly and assembly component (7) comprises a guide rail (701), the top surface of the valve body (301) is mounted with the guide rail (701), and the anti-slip frame (305) is slidably connected to the guide rail (701).

4. The intelligent automatic control pressure flow monitoring wellhead according to claim 3 is characterized by: A sliding sleeve (702) is installed on the guide rail (701), a sliding rod (703) is slidably provided in the sliding sleeve (702), the sliding rod (703) is fixed to a docking ring (705), and the docking ring (705) is fixed to the pump body (401).

5. The intelligent automatic control pressure and flow monitoring wellhead according to claim 4 is characterized by: A third hydraulic cylinder (704) is fixed to the top end of the valve body (301), and a telescopic end of the third hydraulic cylinder (704) is fixed to a docking ring (705).

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