CN217859841U

CN217859841U - Intelligent remote packing screwing device of oil pumping unit

Info

Publication number: CN217859841U
Application number: CN202221660422.8U
Authority: CN
Inventors: 李西江; 刘晓东; 李虎山; 郭志华; 王晓燕; 武照龙; 宋琳; 赵涛; 王淼
Original assignee: China Petroleum and Chemical Corp; Sinopec Shengli Oilfield Co Xianhe Oil Production Plant
Current assignee: China Petroleum and Chemical Corp; Sinopec Shengli Oilfield Co Xianhe Oil Production Plant
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-11-22
Anticipated expiration: 2032-06-30

Abstract

The utility model relates to an intelligent remote packing screwing device of a pumping unit, wherein a driving wheel in the device is arranged on a motor shaft of a driving motor and is meshed with a driven wheel fixed outside a screwing clamping table of a packing box; the fixing bolt in the packing box screwing clamping table and the screwing end cap of the wellhead packing box are clamped together. The top of the protective cover is provided with CO ₂ The bottom of the tester is provided with a contact, and the lower part of one side of the protective cover is fixed on the driving motor; the battery box fixed on one side of the driving motor is fixed on the upper surfaceReceiving a controller; contact and CO ₂ The tester is electrically connected with the receiving controller through wires respectively, the connecting wire of the battery in the battery box is electrically connected with the receiving controller and the driving motor, and the receiving controller is electrically connected with the junction box of the driving motor. The device is fixed through the fixing clip and can pass through the rubber valve outer surface and the polished rod in the Christmas tree below the wellhead packing box, the leakage problem of the wellhead packing of the oil production well can be found in time, and the operation of remotely and automatically fastening the packing is realized.

Description

Intelligent remote packing screwing device of oil pumping unit

Technical Field

The utility model relates to an intelligent sealing device of oil industry beam-pumping unit oil recovery well head polished rod, especially the long-range packing device of screwing of beam-pumping unit intelligence.

Background

In the oil and gas exploitation process, a wellhead polished rod sealing device of the pumping well is also called a packing box, the polished rod which reciprocates in the wellhead polished rod is sealed by adopting the packing, the packing for sealing is extremely easy to be worn by the polished rod in the process of the up-and-down reciprocating motion of the polished rod, the leakage of the wellhead packing box can occur if the packing box is not screwed in time, and the leakage of the packing box has the characteristics of untimely time and uncertainty.

The packing in the packing box is fastened, and generally needs to be operated on site by a manager. When the well site monitoring equipment or the inspection personnel find the well site monitoring equipment or the inspection personnel, the injection and production station personnel are informed to fasten, so that certain time is needed; meanwhile, the number of workers in the injection and production station is small, and the inspection time of field inspection is long due to the fact that the number of workers is small. Once the leakage of the packing box is found slowly, the leakage of a well head is increased, and safety risks, environmental pollution problems and economic losses caused by the problems are brought. The packing is fastened and the well mouth is cleaned, so that the workload of a line of staff can be increased, crude oil leakage does not accord with the requirement of crude oil particle warehousing, crude oil loss is easily caused, and the production cost is increased.

In order to solve the above problems, the following related patent technologies have appeared through searching: patent application No. 202110947336.9 discloses a multi-stage testing self-tightening protection system for preventing wellhead packing leakage, comprising: the automatic packing gland tightening mechanism is used for automatically tightening a packing according to set torque, the three-level novel packing gland is used for preventing an oil-gas well mouth from being directly connected with the outside, and the control system is used for remotely controlling the automatic packing gland tightening mechanism and the three-level novel packing gland operation to prevent the well mouth packing from being leaked; therefore, oil gas leakage at the wellhead of the oil well can be prevented and treated after the oil gas leakage is controlled through the pressure sudden change value and the torque regulating quantity.

The above-mentioned patent technique realizes administering after accomplishing prevention earlier to oil well wellhead oil gas leakage through pressure abrupt change value and moment of torsion regulating variable, can't leak the volume to the natural gas and carry out the micro control and realize accurate regulation to the packing.

The patent application number 201810526093.X discloses a packing wear state monitoring device, which comprises a packing bin, a metering mechanism and a pressure matching cylinder; the packing bin comprises a shell, a protective cover, a rubber barrel and a packing; the rubber barrel and the packing are respectively arranged in the shell; the cursor is positioned on the middle shaft of the shell; the packing and the rubber cylinder are sequentially sleeved with the cursor; the end part of the protective cover is fixedly connected with the end part of the rubber cylinder; the inner wall of the shell and the outer wall of the rubber barrel form a pressure cavity. And providing field information and remote information of the packing working wear state, and performing real-time control on the underground burst pressure rise.

The real-time control to the packing wearing and tearing has been done to above-mentioned patent technique, nevertheless can't accomplish to leak out the leakage quantity to the natural gas and carry out the micro-monitoring and to the long-range accurate regulation of packing.

The pumping unit packing with the remote monitoring function disclosed by the patent number CN201510620925.0 belongs to the technical field of mechanical equipment and comprises a polished rod, an upper gland, two screwing nuts, a packing, a driven gear, a bottom plate, a shell, a force sensor, a motor, a torque machine, a remote measurement and control terminal, a mobile communication module, a network communication module and a driving gear, wherein the number of the screwing nuts is two, and the two screwing nuts are respectively arranged on two sides of the polished rod; the upper gland and the packing are both arranged below the screw-in nut; the motor is connected with the torque machine, the force sensor is arranged at the shaft neck part of the driving gear, and the output end of the force sensor is connected with the remote measurement and control terminal; the output end of the remote measurement and control terminal is connected with the motor; the mobile communication module and the network communication module are respectively connected with the remote measurement and control terminal.

The above patent technology is an automatic device of screwing of beam-pumping unit packing with remote monitoring function, needs to install mobile communication module, network communication module additional, and mounting structure is complicated, can't utilize current platform information-based operation. The packing can not be automatically positioned and protected after being screwed in place; the sealing condition of the polish rod can not be monitored in real time when the packing leaks gas; the original packing box gland can not be utilized, the packing box gland needs to be manufactured again, and the cost is increased.

Patent numbers: CN201520567418.0 discloses an automatic packing pressing device for a pumping well, which utilizes the characteristics of reciprocating motion of a polished rod of a pumping unit and a rope hanger fixed on the polished rod to move up and down, so as to realize the purpose of automatically pressing a packing. The automatic packing pressing device for the pumping well comprises a ratchet wrench, a pressing mechanism and a packing pressing mechanism, wherein one end of the ratchet wrench is connected with a connecting shaft of the pressing mechanism, the other end of the ratchet wrench is connected with a worm of the packing pressing mechanism, the pressing mechanism is fixed on one side of the packing pressing mechanism, the lower end of a support rod is fixed at a sleeve valve of a large four-way joint of a well head, and the upper end of the support rod is supported at the lower end of the packing pressing mechanism; the pressing mechanism is connected to a polished rod below the polished rod eye through a transmission rod, and a worm wheel of the packing pressing mechanism is fixed outside a packing box pressing cap.

The above patent technology utilizes the reciprocal striking connecting rod of polished rod eye to drive ratchet spanner and realize that machinery hangs tightly, can't match with information-based platform and realize remote monitoring regulation and control operation.

Disclosure of Invention

The utility model aims at providing a long-range packing device of screwing of beam-pumping unit intelligence solves the discovery of producing well head packing box leakage untimely, easily causes environmental pollution and needs the artifical problem to the well site fastening, reaches and does not rely on manpower fastening packing, realizes the operation of automatic fastening packing. The labor intensity of staff is reduced, economic loss caused by untimely discovery of the leakage of the packing box is reduced, and the production cost is reduced.

To achieve the above purpose, the technical solution of the present invention is: the long-range packing device of screwing of beam-pumping unit intelligence is equipped with driving motor, action wheel and follows the driving wheel, wherein: the driving wheel is arranged on a motor shaft of the driving motor and is meshed with a driven wheel fixed outside the screwing clamping table of the packing box; a fixing bolt is arranged in a fixing bolt hole of the upper body of the packing box screwing clamping table, and the packing box screwing clamping table and a screwing end cap of the wellhead packing box are clamped together through the fixing bolt; the driving wheel and the packing box screwing clamping table are both arranged in the protective cover, and a bearing is arranged between the packing box screwing clamping table and the protective cover; the top of the protective cover is provided with CO ₂ The tester is provided with a contact at the bottom, and the lower part of one side of the protective cover is fixed on the driving motor; a battery box is fixed on one side of the driving motor, and a receiving controller is fixed on the battery box; contact and CO ₂ The tester is electrically connected with the receiving controller through wires respectively, the connecting wire of the battery in the battery box is electrically connected with the receiving controller and the driving motor, and the receiving controller is electrically connected with the junction box of the driving motor; the packing screwing device is fixed on the outer surface of a rubber valve in a Christmas tree below the wellhead packing box through a fixing clip, and a polish rod can pass through the rubber valve.

Preferably, the driving motor is a worm gear and worm speed reduction motor, and the driving wheel is arranged outside a worm of the driving motor.

Preferably, the driving wheel and the driven wheel are both cylindrical spur gears, the driving wheel is meshed with the driven wheel arranged on the side face of the driving wheel, and the height of the driving wheel is larger than the downward moving distance of a screwing end cap of the wellhead packing box.

Preferably, the protection casing is equipped with three cavity, and top-down is tester installation cavity, meshing gear assembly chamber and the fixed chamber of guard shield respectively, wherein: a polished rod operation hole and a tester assembly hole are arranged in the tester installation cavity, the tester assembly hole is arranged beside the polished rod operation hole, and CO is filled into the tester assembly hole ₂ A tester; the meshing gear assembly cavity is a cam-shaped cavity, the packing box screwing clamping table provided with a driven wheel is installed in a right circular cavity of the cam-shaped cavity, the right circular cavity of the cam-shaped cavity is concentric with the tester installation cavity, and the driving wheel is located in a small cavity of the cam-shaped cavity; the shield fixing cavity is positioned below the small cavity of the meshing gear assembly cavity, and the lower end of the shield fixing cavity is fixed on the upper part of the driving motor.

Preferably, a central hole at the lower part of a right circular cavity of the cam-shaped cavity is larger than a central hole at the upper part of the right circular cavity of the cam-shaped cavity, and the aperture of the central hole at the lower part of the right circular cavity of the cam-shaped cavity is smaller than the outer diameter of an outer clamping table of a screwing end cap of the wellhead packing box; the contact is fixed on one side of a lower center hole of a positive circular cavity of the cam-shaped cavity and is positioned beside the side of the shield fixing cavity.

Preferably, the inner cavity structure of the packing box screwing clamping table is matched with the appearance structure of the screwing end cap of the wellhead packing box, and the aperture of the upper center hole of the packing box screwing clamping table is smaller than the outer diameter of the screwing end cap of the wellhead packing box.

Preferably, the outer circle of the packing box screwing clamping table is a non-equal-diameter outer circle with a small upper part and a large lower part, and at least two bolt fixing holes are formed in the small-diameter body wall of the upper part of the packing box screwing clamping table and are respectively filled with fixing bolts; the driven wheel is fixed outside the large-diameter body wall at the lower part of the screwing clamping table of the packing box.

Preferably, the battery in the battery compartment is a rechargeable battery.

Preferably, the fixing clip for fixing the packing screwing device comprises an upper fixing clip and a lower fixing clip, the upper fixing clip is provided with an upper wellhead fixing clip and an upper motor fixing clip, and the lower fixing clip is provided with a lower wellhead fixing clip and a lower motor fixing clip; the upper fixing clip is fastened outside the driving motor above the battery box through a second fastening bolt, and the lower fixing clip is fastened outside the driving motor below the battery box through a first fastening bolt. Preferably, the inner diameter formed by the upper wellhead fixing clamp conforms to the outer diameter of the flow pipeline above the rubber valve, the inner diameter formed by the upper motor fixing clamp conforms to the outer diameter of the driving motor, and the upper wellhead fixing clamp and the upper motor fixing clamp which are aligned together are respectively fixed outside the flow pipeline above the rubber valve and the driving motor through two fastening bolts; the inner diameter formed by the lower wellhead fixing clip conforms to the outer diameter of the flow pipeline below the rubber valve, the inner diameter formed by the lower motor fixing clip conforms to the outer diameter of the driving motor, and the lower wellhead fixing clip and the lower motor fixing clip which are combined together are respectively fixed outside the flow pipeline below the rubber valve and the driving motor through a fastening bolt.

Compared with the prior art, the utility model has the advantages or effects that are showing below: the utility model discloses a seepage, CO appear in the packing of beam-pumping unit production oil recovery well head ₂ When the tester detects that gas is revealed, just through the normally open switch among the wire closure receiving control ware in the motor control circuit, make driving motor start, the action wheel drives from the driving wheel rotation, installs the end cap rotation of screwing in the fixing bolt interlock packing box in the packing box ka tai of screwing, realizes screwing of packing.

The packing box clamping table for screwing is connected with the protective cover through the bearing, so that the protective cover is prevented from rotating along with the packing box clamping table for screwing. After the packing box is screwed tightly, CO ₂ The tester can not detect the gas of revealing, through the normally open switch in the wire disconnection receiving control ware in the motor control circuit, the circuit disconnection, driving motor stop work, this normally open switch is normally opened.

After the well head packing box is used for a long time, the screwing end cap of the well head packing box moves downwards to the bottom of the protective cover, a contact is touched, the contact breaks a normally closed switch in a motor control loop in the receiving controller through a lead, the circuit is broken, and the receiving controller does not receive CO any more ₂ The driving motor does not work any more under the instruction sent by the tester. Monitor screen in central control room through oil field four-way networkJust can observe the situation that the end cap that screws of well head packing box moved down through the supervisory equipment who installs at the well site in the curtain, need the manual work to arrive the production site this moment, change the packing in the packing box, can let this device work again. The utility model discloses an advantage concrete presentation is in: 1. the utility model discloses can in time discover the seepage problem of beam-pumping unit production oil recovery well head packing, realize not relying on the manpower, the operation of long-range automatic fastening packing can effectively avoid crude oil loss and because the bad consequence that well head packing box seepage brought, can reach the purpose of avoiding manufacturing cost to increase, stop safety ring to protect the risk, reduce staff intensity of labour.

2. The utility model adopts CO ₂ After the tester detects the leaked gas, the working principle of fastening the packing by starting the driving motor is started, and the packing is fastened in time.

3. The utility model discloses simple to operate, the theory of operation is clear, and simple structure can also utilize current well site supervisory equipment's advantage, in time observes and keeps watch on the utility model discloses an operating condition.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic diagram of the analytic structure of the present invention.

Fig. 2 is a schematic view of the appearance structure of the present invention.

Fig. 3 is a schematic view of the installation and use of the present invention.

In the figure: the device comprises a lower wellhead fixing clip 1, a first fastening bolt 2, a lower motor fixing clip 3, an upper wellhead fixing clip 4, an upper motor fixing clip 5, a second fastening bolt 6, a driving motor 7, a worm 8, a driving wheel 9, a driven wheel 10, a packing box screwing clamping table 11, a fixing bolt 12, a fixing bolt hole 13, a bearing 14, a protective cover 15, a polished rod operation hole 16, CO ₂ Tester 17, wire 18, receiving controller 19, battery case 20, contact 21.

Detailed Description

The drawings are for reference and illustration purposes only and are not intended to limit the scope of the present disclosure. The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of 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 thus, are not to be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 3, the intelligent remote packing screwing device of the pumping unit is provided with a driving motor 7, a driving wheel 9 and a driven wheel 10, wherein: the driving wheel 9 is arranged on the motor shaft of the driving motor 7 and is meshed with a driven wheel 10 fixed outside a packing box screwing clamping table 11; a fixing bolt 12 is arranged in a fixing bolt hole 13 of the upper body of the packing box screwing clamping table 11, and the packing box screwing clamping table 11 and a screwing end cap of a wellhead packing box are clamped together through the fixing bolt 12; the driving wheel 9 and the packing box screwing clamping table 11 are both arranged in the protective cover 15, and the packingA bearing 14 is arranged between the box screwing clamping table 11 and the protective cover 15; the top of the shield 15 is filled with CO ₂ The tester 17 is provided with a contact 21 at the bottom, and the lower part of one side of the protective cover 15 is fixed on the driving motor 7; a battery box 20 is fixed on one side of the driving motor 7, and a receiving controller 19 is fixed on the battery box 20; contact 21 and CO ₂ The tester 17 is electrically connected with the receiving controller 19 through the wires 18, the connecting wires of the batteries in the battery box 20 are electrically connected with the receiving controller 19 and the driving motor 7, and the receiving controller 19 is electrically connected with the junction box of the driving motor 7; the packing screwing device is fixed on the outer surface of a rubber valve in a Christmas tree below the wellhead packing box through a fixing clip, and a polish rod can pass through the rubber valve. The utility model discloses in be equipped with driving motor 7 of action wheel 9 and fix the rubber valve outside in the production tree of well head packing box below, action wheel 9 with set up the 11 outsides of card platform of screwing at the packing box from driving wheel 10 meshing. The driving wheel 9 and the packing box screwing clamping table 11 are both installed in the protective cover 15, a bearing 14 is installed between the packing box screwing clamping table 11 and the protective cover 15, and the fixing bolt 12 is clamped outside the screwing end cap of the well head packing box.

When the driving motor 7 drives the driven wheel 10 and the screwing end cap of the wellhead packing box to rotate through the driving wheel 9, the screwing end cap moves downwards and compresses the packing in the wellhead packing box under the clamping of the fixing bolt 12. When the bearing 14 drives the end cap of screwing of the wellhead packing box to compress the packing from the driving wheel 10, the protection cover 15 can be prevented from rotating along with the packing in the packing box.

A normally open switch and a normally closed switch are arranged in a motor control loop of the receiving controller 19, and CO ₂ The tester 17 is electrically connected with a normally open switch in a motor control loop in the receiving controller 19 through a lead 18; the contact 21 is electrically connected with a normally closed switch in a motor control loop in the receiving controller 19 through a lead 18.

The utility model discloses can in time discover the seepage problem of beam-pumping unit production oil recovery well head packing, install the CO at 15 tops of protection casing ₂ When the tester 17 detects that a trace amount of carbon dioxide gas exists, a normally open switch in a motor control loop in the receiving controller 19 is closed through the lead 18, and the circuit is conducted; the operation of the drive motor 7 is carried out,driving the driving wheel 9 and the driven wheel 10 to rotate, screwing the end cap for screwing the wellhead packing box, and pressing the packing in the packing box for a circle, CO ₂ The tester 17 closes the normally open switch in the receiving controller 19 once through the lead 18, and the packing in the packing box is pressed by one circle. When CO is present ₂ After the tester 17 cannot detect carbon dioxide gas, a normally open switch in a motor control loop in the receiving controller 19 is opened through the lead 18, the circuit is disconnected, the driving motor 7 stops working, and the normally open switch is normally open.

After the well head packing box is used for a long time, the screwing end cap of the well head packing box moves downwards to the bottom of the protective cover 15 to touch the contact 21, the contact 21 disconnects the normally closed switch in the motor control loop in the receiving controller 19 through the lead 18, the circuit is disconnected, and the receiving controller 19 does not receive CO any more ₂ The drive motor 7 is no longer operated by a command from the tester 17. Through the oil field tetrad network, just can observe the situation that the end cap of screwing of well head packing box moved down through the supervisory equipment who installs at the well site in the monitor screen of central control room, need artifical arrival production site this moment, change the packing in the packing box, can let this device do not work again.

On the basis of the first embodiment, the utility model discloses still have following embodiment:

a preferred embodiment: the driving motor 7 is a worm gear and worm speed reducing motor, and the driving wheel 9 is arranged outside a worm 8 of the driving motor 7.

A preferred embodiment: the driving wheel 9 and the driven wheel 10 are both cylindrical straight gears, the driving wheel 9 is meshed with the driven wheel 10 arranged on the side face of the driving wheel, and the height of the driving wheel 9 is larger than the downward moving distance of a screwing end cap of the wellhead packing box.

A preferred embodiment: the protection casing 15 is equipped with three cavity, and top-down is tester installation cavity, meshing gear assembly chamber and the fixed chamber of guard shield respectively, wherein: a polished rod operation hole 16 and a tester assembly hole are arranged in the tester installation cavity, the tester assembly hole is arranged beside the polished rod operation hole 16, and CO is filled in the tester assembly hole ₂ A tester 17; as shown in fig. 2, the meshing gear fitting chamber is a cam-shaped chamber,a packing box screwing clamping table 11 provided with a driven wheel 10 is arranged in a right circular cavity of the cam-shaped cavity, the right circular cavity of the cam-shaped cavity is concentric with a tester mounting cavity, and a driving wheel 9 is positioned in a small cavity of the cam-shaped cavity; the shield fixing cavity is positioned below the small cavity of the meshing gear assembly cavity, and the lower end of the shield fixing cavity is fixed on the upper part of the driving motor 7.

A preferred embodiment: the central hole at the lower part of the right circular cavity of the cam-shaped cavity is larger than the central hole at the upper part, and the aperture of the central hole at the lower part of the right circular cavity of the cam-shaped cavity is smaller than the outer diameter of an outer clamping table of a screwing end cap of the wellhead packing box; the contact 21 is fixed at one side of the lower central hole of the positive round cavity of the cam-shaped cavity and is positioned beside the side of the shield fixing cavity. When the end cap of the wellhead packing box screwed is driven by the driven wheel 10 to rotate and move downwards to the upper part of the contact 21, when the outer clamping table of the end cap of the wellhead packing box screwed touches the contact 21, the contact 21 disconnects the normally closed switch in the motor control loop in the receiving controller 19 through the lead 18, and the receiving controller 19 does not receive CO any more ₂ The drive motor 7 is no longer operated by a command from the tester 17.

A preferred embodiment: the inner cavity structure of the packing box screwing clamping table 11 is matched with the appearance structure of the screwing end cap of the wellhead packing box, and the aperture of the upper center hole of the packing box screwing clamping table 11 is smaller than the outer diameter of the screwing end cap of the wellhead packing box.

A preferred embodiment: the outer circle of the packing box screwing clamping table 11 is a non-equal-diameter outer circle which is small in upper portion and large in lower portion, at least two bolt fixing holes 13 are formed in the small-diameter body wall of the upper portion of the packing box screwing clamping table 11, fixing bolts 12 are installed in the small-diameter body wall, the bolt fixing holes 13 can be three or six, the screwing end cap of a common wellhead packing box is a hexagon, and the screwing end cap of the wellhead packing box can be well clamped and righted by the aid of the three fixing bolts 12；The driven wheel 10 is fixed outside the large-diameter body wall at the lower part of the packing box screwing clamping table 11, can be conveniently meshed with the driving wheel 9, and simultaneously provides convenience for mounting and dismounting the fixing bolt 12.

A preferred embodiment: the battery in the battery box 20 is a rechargeable battery, and provides power for the receiving controller 19, and the battery can be reused.

A preferred embodiment: the fixing clip for fixing the packing screwing device comprises an upper fixing clip and a lower fixing clip, the upper fixing clip is provided with an upper wellhead fixing clip 4 and an upper motor fixing clip 5, and the lower fixing clip is provided with a lower wellhead fixing clip 1 and a lower motor fixing clip 3; the upper fixing clip is fastened outside the driving motor 7 above the battery box 20 through a second fastening bolt 6, and the lower fixing clip is fastened outside the driving motor 7 below the battery box 20 through a first fastening bolt 2.

A preferred embodiment: the inner diameter formed by the upper wellhead fixing clamp 4 is consistent with the outer diameter of the flow pipeline above the rubber valve, the inner diameter formed by the upper motor fixing clamp 5 is consistent with the outer diameter of the driving motor 7, and the upper wellhead fixing clamp 4 and the upper motor fixing clamp 5 which are aligned together are respectively fixed outside the flow pipeline above the rubber valve and the driving motor 7 through a second fastening bolt 6; the inner diameter formed by the lower wellhead fixing clip 1 is consistent with the outer diameter of a flow pipeline below the rubber valve, the inner diameter formed by the lower motor fixing clip 3 is consistent with the outer diameter of the driving motor 7, and the lower wellhead fixing clip 1 and the lower motor fixing clip 3 which are aligned together are respectively fixed outside the flow pipeline below the rubber valve and the driving motor 7 through the fastening bolt I2.

The embodiments described above are merely exemplary embodiments, but the present invention is not limited to these embodiments, and those skilled in the art can make modifications without departing from the spirit and teaching of the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the form and details may be made therein without departing from the spirit and scope of the invention. Any modification, equivalent replacement, improvement and the like made within the spirit and the concept of the present invention should be included in the protection scope of the present invention. The scope of protection is therefore not limited to the description above.

Claims

1. Remote packing screwing device of beam-pumping unit intelligence is equipped with driving motor, action wheel and follows driving wheel, characterized by: the driving wheel is arranged on a motor shaft of the driving motor and is meshed with a driven wheel fixed outside the screwing clamping table of the packing box; a fixing bolt is arranged in a fixing bolt hole of the upper body of the packing box screwing clamping table, and the packing box screwing clamping table and a screwing end cap of the wellhead packing box are clamped together through the fixing bolt; the driving wheel and the packing box screwing clamping table are both arranged in the protective cover, and a bearing is arranged between the packing box screwing clamping table and the protective cover; the top of the protective cover is provided with CO ₂ The tester is provided with a contact at the bottom, and the lower part of one side of the protective cover is fixed on the driving motor; a battery box is fixed on one side of the driving motor, and a receiving controller is fixed on the battery box; contact and CO ₂ The tester is electrically connected with the receiving controller through wires respectively, the connecting wire of the battery in the battery box is electrically connected with the receiving controller and the driving motor, and the receiving controller is electrically connected with the junction box of the driving motor; the packing screwing device is fixed on the outer surface of a rubber valve in a Christmas tree below the wellhead packing box through a fixing clip, and a polish rod can pass through the rubber valve.

2. The intelligent remote packing screwing device of oil extractor according to claim 1, wherein the driving motor is a worm gear and worm speed reduction motor, and the driving wheel is installed outside the worm of the driving motor.

3. The intelligent remote packing screwing device of the pumping unit as claimed in claim 1 or 2, wherein the driving wheel and the driven wheel are both cylindrical spur gears, the driving wheel is meshed with the driven wheel arranged on the side surface of the driving wheel, and the height of the driving wheel is greater than the distance of downward movement of the screwing end cap of the wellhead packing box.

4. The intelligent remote packing screwing device of oil extractor according to claim 1, wherein the shield has three chambers, from top to bottom, a tester installation chamber, a meshing gear assembly chamber and a shield fixing chamber, wherein: the tester installation cavity is provided with a polished rod operation hole and a tester assembly hole for testingThe tester assembling hole is arranged beside the polished rod running hole, and CO is filled in the tester assembling hole ₂ A tester; the meshing gear assembly cavity is a cam-shaped cavity, a packing box screwing clamping table provided with a driven wheel is installed in a right circular cavity of the cam-shaped cavity, the right circular cavity of the cam-shaped cavity is concentric with the tester installation cavity, and the driving wheel is located in a small cavity of the cam-shaped cavity; the shield fixing cavity is positioned below the small cavity of the meshing gear assembly cavity, and the lower end of the shield fixing cavity is fixed on the upper part of the driving motor.

5. The intelligent remote packing screwing device of the oil pumping unit as claimed in claim 4, wherein the central hole at the lower part of the right circular cavity of the cam-shaped cavity is larger than the central hole at the upper part, and the aperture of the central hole at the lower part of the right circular cavity of the cam-shaped cavity is smaller than the outer diameter of the outer clamping table of the screwing end cap of the wellhead packing box; the contact is fixed on one side of a lower center hole of a positive circular cavity of the cam-shaped cavity and is positioned beside the side of the shield fixing cavity.

6. The intelligent remote packing screwing device of a pumping unit as claimed in claim 4, wherein the inner cavity structure of the packing box screwing clamping table is matched with the appearance structure of the screwing end cap of the wellhead packing box, and the aperture of the upper central hole of the packing box screwing clamping table is smaller than the outer diameter of the screwing end cap of the wellhead packing box.

7. The intelligent remote packing screwing device of the oil pumping unit as claimed in claim 4 or 6, wherein the outer circle of the packing box screwing clamping table is a non-equal-diameter outer circle with a small upper part and a large lower part, and at least two bolt fixing holes are arranged in the small-diameter body wall of the upper part of the packing box screwing clamping table and are respectively provided with a fixing bolt; the driven wheel is fixed outside the large-diameter body wall at the lower part of the screwing clamping table of the packing box.

8. The intelligent remote packing screwing device for oil extractor according to claim 1, wherein the battery in the battery box is a rechargeable battery.

9. The intelligent remote packing screwing device of oil extractor according to claim 1, wherein the fixing clip for fixing the packing screwing device comprises an upper fixing clip and a lower fixing clip, the upper fixing clip is provided with an upper wellhead fixing clip and an upper motor fixing clip, and the lower fixing clip is provided with a lower wellhead fixing clip and a lower motor fixing clip; the upper fixing clip is fastened outside the driving motor above the battery box through a second fastening bolt, and the lower fixing clip is fastened outside the driving motor below the battery box through a first fastening bolt.

10. The intelligent remote packing screwing device of the oil pumping unit as claimed in claim 9, wherein the inner diameter formed by the upper wellhead fixing clip is in accordance with the outer diameter of the flow line above the rubber valve, the inner diameter formed by the upper motor fixing clip is in accordance with the outer diameter of the driving motor, and the upper wellhead fixing clip and the upper motor fixing clip which are combined together are respectively fixed outside the flow line above the rubber valve and the driving motor through two fastening bolts; the inner diameter formed by the lower wellhead fixing clip conforms to the outer diameter of the flow pipeline below the rubber valve, the inner diameter formed by the lower motor fixing clip conforms to the outer diameter of the driving motor, and the lower wellhead fixing clip and the lower motor fixing clip which are combined together are respectively fixed outside the flow pipeline below the rubber valve and the driving motor through a fastening bolt.