CN117780287B - Underwater Christmas tree with dual independent power control - Google Patents

Abstract

The invention discloses an underwater christmas tree with double independent power control, which comprises a box body, a sleeve manifold, a main valve, an oil pipe manifold and a double-power valve control mechanism, wherein four corners of the bottom of the box body are respectively provided with an active adjusting mechanism in a rotating mode, the other end of the active adjusting mechanism is connected with an embedded anchor rod in a rotating mode, the embedded anchor rod is embedded in a seabed, the sleeve manifold is fixedly welded at the bottom of the box body, and the sleeve manifold is arranged at two sides of the sleeve manifold. This subsea tree with dual independent power is controlled is provided with worm, worm wheel and pivot, and first electromagnetic switch promotes the integral key shaft, makes integral key shaft simultaneously with spline groove and pivot spline connection, and driving motor drives the pivot through the cooperation of worm and worm wheel and rotates afterwards for the pivot drives corresponding valve rotation, all is provided with two independent power supplies each other and is backed up in the above-mentioned drive part, has improved the redundancy, and a plurality of valves of cooperation simultaneous driving of worm and worm wheel have reduced equipment cost.

Description

Underwater Christmas tree with dual independent power control

Technical Field

The invention relates to the technical field of underwater christmas trees, in particular to an underwater christmas tree with double independent power control.

Background

The underwater christmas tree is an important device for ocean oil and gas development, and is used as a connecting hub of a submarine oil and gas extraction pipeline and an oil and gas conveying pipeline, and the underwater christmas tree is used for detecting the oil and gas exploitation condition in real time and controlling the exploitation speed of oil and gas.

According to the technical scheme, the production wing valve assembly is arranged on one side of the main assembly of the production tree, the annular valve assembly is arranged on the other side of the main assembly of the production tree, an underwater wellhead connector is connected with a frame through bolts, a production isolation valve, an ROV control panel assembly, a panel assembly, an angle through assembly and a base are arranged on the frame, the angle through is arranged on the production isolation valve and is connected with the production wing valve assembly through an oil pipe, an accumulator is arranged on a side column of the frame through a clamp assembly, and a multifunctional quick connector temporary set and a fixed end are arranged on a front panel of the frame.

In summary, the control valve in the existing subsea tree is usually driven by a single power source, however, in the actual production process, the subsea tree is usually located several tens of hundreds of meters deep under water, once the control valve fails, maintenance personnel and equipment are difficult to quickly reach the subsea tree for maintenance, the reliability is not high, each component in the existing subsea tree is usually directly exposed to seawater, the saline and alkaline in the seawater is very easy to corrode the component of the subsea tree, so that the component such as the valve, the sealing surface and the like is aged and failed, the water pressure of several tens of hundreds of meters deep further improves the corrosion of the component of the subsea tree by the seawater, the existing subsea tree is usually directly installed on the base anchored on the seabed, however, the seabed is easily subject to geological variation and ocean current movement, and then the subsea tree is easy to sink, subsequent oil and gas is influenced, and the existing equipment needs to be improved for the problems.

Disclosure of Invention

The invention aims to provide an underwater christmas tree with double independent power control, so as to solve the problems that the control valve in the existing underwater christmas tree is usually driven by a single power source, once the control valve is in fault, maintenance personnel and equipment are difficult to quickly reach the underwater christmas tree for maintenance, the reliability is not high, each part in the existing underwater christmas tree is usually directly exposed to seawater, the saline and alkaline in the seawater is easy to corrode the parts of the underwater christmas tree, the parts such as the valve and a sealing surface are aged and fail, the water pressure of hundreds of meters deep further improves the corrosion of the seawater to the parts of the underwater christmas tree, the existing underwater christmas tree is usually directly installed on a base anchored on a seabed, however, the seabed is easily settled under the influence of geological variation and ocean current movement, and the problem of skew of the underwater christmas tree is caused.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an underwater christmas tree with dual independent power control, includes box, sleeve pipe manifold, main valve, oil pipe manifold and dual power valve control mechanism, box bottom four corners all rotates and installs initiative adjustment mechanism, and initiative adjustment mechanism other end and pre-buried stock rotate to be connected, and pre-buried stock buries on the seabed simultaneously, box bottom welded fastening has the sleeve pipe cross, and sleeve pipe manifold is installed to sleeve pipe cross both sides, installs a plurality of sleeve pipe valves simultaneously on the sleeve pipe manifold, sleeve pipe cross bottom fixed mounting has the main valve, main valve top fixed mounting has the oil pipe cross, and installs the oil pipe manifold on the oil pipe cross both sides, and install a plurality of oil pipe valves simultaneously on the oil pipe manifold, oil pipe cross top fixed mounting has the paraffin removal valve, and paraffin removal valve top fixed mounting has automatic paraffin removal mechanism;

A plurality of double-power valve control mechanisms are arranged in the box body, and a plurality of sleeve valves, a plurality of oil pipe valves and a main valve are respectively connected with a paraffin removal valve through a double-power valve control mechanism;

The left side of box fixed mounting has the conveyer pipe, and the conveyer pipe is installed with the box junction and is had first check valve, and box right side fixed mounting has pressure release mechanism, bottom half fixed mounting has the drain pipe, and the drain pipe is installed with the box junction second check valve.

Preferably, the active adjusting mechanism comprises a sleeve, an electromagnetic coil, a titanium-coated armature, an energy storage spring, a push rod, a fixed toothed plate, a movable toothed plate, a reset spring and a second electromagnetic switch, wherein the titanium-coated armature and the push rod are slidably arranged in the sleeve, the energy storage spring is arranged between the push rod and the titanium-coated armature, the electromagnetic coil is buried in the sleeve, and the electromagnetic coil is arranged outside the titanium-coated armature;

by adopting the technical scheme, the ejector rod and the titanium-coated armature slide in the sleeve, a power supply circuit in the christmas tree supplies power to the electromagnetic coil, the titanium-coated armature can be pushed by magnetic force when the electromagnetic coil is electrified, and the energy storage spring is extruded and made to extrude the ejector rod to slide when the titanium-coated armature moves.

Preferably, fixed toothed plates are fixedly arranged on two sides of the inner wall of the sleeve, movable toothed plates are slidably arranged on two sides of the titanium-coated armature and two sides of the ejector rod, the movable toothed plates are meshed with the fixed toothed plates, a second electromagnetic switch is fixedly arranged in the titanium-coated armature and connected with the corresponding movable toothed plates, a reset spring is fixedly arranged in the ejector rod, and the reset spring is meshed with the corresponding movable toothed plates;

Through adopting above-mentioned technical scheme, the slip direction of ejector pin can be restricted to the movable toothed plate on the ejector pin and the cooperation of fixed toothed plate, and the ejector pin of being convenient for supports the box with the sleeve cooperation, and the movable toothed plate on the titanium-coated armature cooperates with fixed toothed plate and can restrict the slip direction of titanium-coated armature, and then second electromagnetic switch control movable toothed plate and with the position of energy storage spring further cooperation control titanium-coated armature.

Preferably, the automatic paraffin removal mechanism comprises a counterweight tungsten rod, guide wheels, torsion springs, a scraper, an electric push rod, a first steel wire rope, an electric heating plate, a winch and a second steel wire rope, wherein the guide wheels are rotatably arranged on the upper side and the lower side of the counterweight tungsten rod, and the torsion springs are arranged at the rotary connection parts of the guide wheels and the counterweight tungsten rod;

Through adopting above-mentioned technical scheme, torsion spring promotes the leading wheel and keeps away from counter weight tungsten pole and laminating oil well inner wall, is convenient for keep in the oil well center through the leading wheel messenger counter weight tungsten pole.

Preferably, a plurality of scrapers are arranged on the surface of the counterweight tungsten rod in a laminating and staggered manner, the bottoms of the scrapers are rotationally connected with the inside of the counterweight tungsten rod, electric push rods are fixedly arranged on the upper side and the lower side of the inside of the counterweight tungsten rod, the two electric push rods are connected through a first steel wire rope, the first steel wire rope is connected with the bottoms of all the scrapers at the same time, and an electric heating sheet is buried inside the scrapers;

Through adopting above-mentioned technical scheme, electrical heating piece heating scraper makes the scraper melt the wax of oil well inner wall adhesion, and a plurality of scrapers of crisscross setting are convenient for the omnidirectional scrape the operation to wax simultaneously.

Preferably, a winch is arranged in the box body, the winch is connected with one end of the second steel wire rope, and the other end of the second steel wire rope is connected with the counterweight tungsten rod;

Through adopting above-mentioned technical scheme, the hoist engine passes through second wire rope pulling counter weight tungsten pole and rises, cooperates the dead weight of counter weight tungsten pole simultaneously, plays the effect of control counter weight tungsten pole in the oil well degree of depth.

Preferably, the dual-power valve control mechanism comprises a worm, a driving motor, a rotating shaft, spline grooves, spline shafts, first electromagnetic switches and worm gears, wherein the worm is rotatably arranged in a box body, two ends of the worm are respectively connected with a driving motor fixedly arranged on the box body, the rotating shaft is rotatably arranged in the box body, two first electromagnetic switches are arranged in the rotating shaft, the two first electromagnetic switches are simultaneously connected with one spline shaft, and spline shafts are arranged in the rotating shaft in a spline manner;

Through adopting above-mentioned technical scheme, two driving motor drive worm simultaneously, and a worm control a plurality of valves simultaneously, reduced use cost through increasing the redundancy.

Preferably, the spline grooves are formed in the front side of the sleeve valve, the front side of the oil pipe valve, the front side of the main valve and the front side of the paraffin removal valve, the spline grooves are in spline connection with the corresponding spline shaft, a worm wheel is fixedly arranged on the outer side of the rotating shaft, and the worm wheel is meshed with the worm;

through adopting above-mentioned technical scheme, first electromagnetic switch promotes the integral key shaft and meshes with spline groove and pivot simultaneously, and the worm of being convenient for passes through the worm wheel and drives the pivot rotation, rotates simultaneously and drives sleeve valve or oil pipe valve or main valve and paraffin removal valve through the cooperation of spline groove and spline shaft and rotate.

Preferably, the pressure release mechanism comprises an air chamber, a piston plate, a first one-way valve, a second one-way valve and a hydraulic driving device, wherein the air chamber is fixedly arranged on one side of the box body and is communicated with the box body, the piston plate is slidably arranged in the air chamber, the surface of the piston plate is provided with the first one-way valve in a penetrating way, the piston plate is connected with the hydraulic driving device fixedly arranged in the box body, and one end, far away from the box body, of the air chamber is provided with the second one-way valve in a penetrating way;

Through adopting above-mentioned technical scheme, hydraulic drive device promotes the piston board and removes, makes the air in the box get into the air chamber through first check valve, and then the piston board reverse movement for the air in the air chamber passes through the second check valve and discharges the box under the effect of pressure.

Compared with the prior art, the invention has the beneficial effects that: the subsea tree with dual independent power steering,

(1) The device comprises a sleeve, an electromagnetic coil and a push rod, wherein a movable toothed plate and a fixed toothed plate are matched to limit the sliding direction of a titanium-coated armature and the push rod, a power supply circuit in the christmas tree supplies power to the electromagnetic coil, then the electromagnetic coil pushes the titanium-coated armature to slide, an energy storage spring stores energy and pushes the push rod to slide in the sleeve, the effect of adjusting the length of the sleeve and the push rod is achieved, a control module on the christmas tree and a level sensor monitor the balance degree of a box body in real time, once the inclination of the box body is monitored, the control module controls the four sleeves to be matched with the corresponding push rod, so that the balance of the box body is conveniently adjusted according to the settlement of a seabed, and meanwhile, high-precision components are buried in the components in the driving process without contacting with seawater, so that the influence of a deep sea environment is eliminated, and the use reliability is improved;

(2) The device is provided with the guide wheel, the scrapers and the electric heating plates, the torsion spring pushes the guide wheel and enables the guide wheel to be attached to an oil well, the counterweight tungsten rod is supported through the guide wheel, so that the counterweight tungsten rod is conveniently kept at the center of the oil well, the counterweight tungsten rod is prevented from being blocked by wax adhered to the inner wall of the oil well, the electric push rod pulls all the scrapers to rotate through the first steel wire rope, one ends of the scrapers are attached to the inner wall of the oil well, the scrapers scrape the wax adhered to the inner wall of the oil well in the lifting process of the counterweight tungsten rod conveniently, and meanwhile, the electric heating plates heat the scrapers, the scrapers melt the wax, so that the wax is more completely removed;

(3) The two independent power sources are arranged in the driving part and are mutually backed up, so that the redundancy is improved, a plurality of valves can be driven by the cooperation of the worm and the worm wheel at the same time, and the equipment cost is reduced;

(4) The hydraulic oil pump is provided with a box body, a drain pipe and an air chamber, the box body and the box cover are matched to form a closed space, the box cover is required to be opened during the daily maintenance of the seabed, seawater invades the box body at the moment, the box cover is closed after the daily maintenance is completed, the water pipe is used for conveying high-pressure gas, seawater in the box body is discharged through the drain pipe under the action of pressure, the box body is used for protecting the valve and other parts from being corroded by the seawater at the moment, the hydraulic driving device is used for pushing the piston plate to push air in the air chamber to be discharged through the second one-way valve when the piston plate moves to one side, the air in the box body enters the air chamber through the first one-way valve when the piston plate moves to the other side, the air chamber is circulated and reciprocated, the gas in the box body is conveniently discharged gradually, the pressure in the box body is reduced, the pressure of the high-pressure on the valve and the sealing joint is reduced, the running environment of the oil production tree parts is guaranteed, and the maintenance frequency is reduced.

Drawings

FIG. 1 is a schematic view of a front view in cross section;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1B according to the present invention;

FIG. 5 is a schematic cross-sectional view of a sleeve according to the present invention;

FIG. 6 is a schematic diagram of a cross-sectional structure of a composite titanium armature according to the present invention;

FIG. 7 is a schematic cross-sectional view of a lift pin according to the present invention;

FIG. 8 is a schematic view of a three-dimensional cross-sectional structure of a sleeve according to the present invention;

Fig. 9 is a schematic view of a three-dimensional structure of a weighted tungsten rod according to the present invention.

In the figure: 1. a case; 2. an active adjustment mechanism; 21. a sleeve; 22. an electromagnetic coil; 23. titanium-coated armatures; 24. an energy storage spring; 25. a push rod; 26. fixing the toothed plate; 27. a movable toothed plate; 28. a return spring; 29. a second electromagnetic switch; 3. embedding an anchor rod; 4. a sleeve four-way joint; 5. a casing manifold; 6. a sleeve valve; 7. a main valve; 8. an oil pipe four-way joint; 9. an oil pipe manifold; 10. an oil pipe valve; 11. a paraffin removal valve; 12. an automatic paraffin removal mechanism; 121. a weighted tungsten rod; 122. a guide wheel; 123. a torsion spring; 124. a scraper; 125. an electric push rod; 126. a first wire rope; 127. an electric heating plate; 128. a hoist; 129. a second wire rope; 13. a dual power valve control mechanism; 131. a worm; 132. a driving motor; 133. a rotating shaft; 134. spline grooves; 135. a spline shaft; 136. a first electromagnetic switch; 137. a worm wheel; 14. a delivery tube; 15. a first check valve; 16. a pressure release mechanism; 161. a gas chamber; 162. a piston plate; 163. a first one-way valve; 164. a second one-way valve; 165. a hydraulic drive device; 17. a drain pipe; 18. a second check valve.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-9, the present invention provides a technical solution: as shown in fig. 1, 5, 6, 7 and 8, the four corners of the bottom of the box body 1 are all rotatably provided with an active adjusting mechanism 2, the other end of the active adjusting mechanism 2 is rotatably connected with a pre-buried anchor rod 3, and meanwhile, the pre-buried anchor rod 3 is buried on the seabed.

In a further embodiment, the active adjustment mechanism 2 includes a sleeve 21, an electromagnetic coil 22, a titanium-coated armature 23, an energy storage spring 24, a push rod 25, a fixed toothed plate 26, a movable toothed plate 27, a return spring 28 and a second electromagnetic switch 29, the titanium-coated armature 23 and the push rod 25 are slidably installed in the sleeve 21, the energy storage spring 24 is installed between the push rod 25 and the titanium-coated armature 23, the electromagnetic coil 22 is embedded in the sleeve 21, the electromagnetic coil 22 is arranged outside the titanium-coated armature 23, a power supply line in the christmas tree can supply power to the electromagnetic coil 22 through the box 1, meanwhile, a control module in the christmas tree and a level sensor can detect the balance of the box 1 in real time, when the box 1 is unbalanced and is askew, the corresponding electromagnetic coil 22 is electrified, the control module pushes the titanium-coated armature 23 to slide in the sleeve 21, and at this time, the energy storage spring 24 contracts to avoid rigid collision between the titanium-coated armature 23 and the push rod 25, and simultaneously, the instantaneous pressure on the push rod 25 is relieved by energy storage.

As shown in fig. 6 and 8, fixed toothed plates 26 are fixedly installed on two sides of the inner wall of the sleeve 21, movable toothed plates 27 are slidably installed on two sides of the titanium-coated armature 23 and two sides of the ejector rod 25, the movable toothed plates 27 are meshed with the fixed toothed plates 26, a second electromagnetic switch 29 is fixedly installed in the titanium-coated armature 23, the second electromagnetic switch 29 is connected with the corresponding movable toothed plates 27, a reset spring 28 is fixedly installed in the ejector rod 25, the reset spring 28 is meshed with the corresponding movable toothed plates 27, the movable toothed plates 27 in the ejector rod 25 are matched with the fixed toothed plates 26 to fix the ejector rod 25, and the movable toothed plates 27 in the titanium-coated armature 23 are matched with the fixed toothed plates 26 to cover the titanium-coated armature 23.

As shown in fig. 1, 3 and 9, a sleeve four-way joint 4 is welded and fixed at the bottom of the box 1, sleeve manifolds 5 are installed at two sides of the sleeve four-way joint 4, a plurality of sleeve valves 6 are installed on the sleeve manifolds 5, a main valve 7 is fixedly installed at the bottom of the sleeve four-way joint 4, an oil pipe four-way joint 8 is fixedly installed at the top of the main valve 7, oil pipe manifolds 9 are installed at two sides of the oil pipe four-way joint 8, a plurality of oil pipe valves 10 are installed on the oil pipe manifolds 9, a paraffin removal valve 11 is fixedly installed at the top of the oil pipe four-way joint 8, and an automatic paraffin removal mechanism 12 is fixedly installed at the top of the paraffin removal valve 11.

In a further embodiment, the automatic paraffin removal mechanism 12 comprises a weight tungsten rod 121, a guide wheel 122, a torsion spring 123, a scraper 124, an electric push rod 125, a first steel wire rope 126, an electric heating plate 127, a winch 128 and a second steel wire rope 129, wherein the guide wheel 122 is rotatably installed on the upper side and the lower side of the weight tungsten rod 121, the torsion spring 123 is installed at the rotary connection part of the guide wheel 122 and the weight tungsten rod 121, the torsion spring 123 pushes the guide wheel 122 to rotate and contact with the inner wall of an oil well, and a plurality of guide wheels 122 simultaneously push the weight tungsten rod 121 to keep the weight tungsten rod 121 in the center of the oil well, so that wax accumulation blocking the descending channel of the weight tungsten rod 121 caused by the contact of the weight tungsten rod 121 with wax adhered to the inner wall of the oil well in the descending process is avoided.

As shown in fig. 3 and 9, a plurality of scrapers 124 are alternately arranged on the surface of the counterweight tungsten rod 121 in a laminating manner, the bottoms of the scrapers 124 are rotationally connected with the interior of the counterweight tungsten rod 121, electric push rods 125 are fixedly arranged on the upper side and the lower side of the interior of the counterweight tungsten rod 121, the two electric push rods 125 are connected through a first steel wire rope 126, the first steel wire rope 126 is simultaneously connected with the bottoms of all the scrapers 124, an electric heating sheet 127 is buried in the scrapers 124, the electric heating sheet 127 can heat the scrapers 124, the scrapers 124 melt when contacting wax, and the efficiency of scraping the adhered wax in an oil well by the scrapers 124 is improved.

In a further embodiment, the hoist 128 is installed inside the case 1, and the hoist 128 is connected to one end of the second wire rope 129, while the other end of the second wire rope 129 is connected to the weight tungsten rod 121, so that the hoist 128 pulls the weight tungsten rod 121 up through the second wire rope 129.

As shown in fig. 1 and 2, the box 1 is internally provided with a plurality of double-power valve control mechanisms 13, and a plurality of sleeve valves 6, a plurality of oil pipe valves 10 and a main valve 7 are respectively connected with a paraffin removal valve 11 through one double-power valve control mechanism 13.

In a further embodiment, the dual-power valve control mechanism 13 includes a worm 131, a driving motor 132, a rotating shaft 133, spline grooves 134, a spline shaft 135, a first electromagnetic switch 136 and a worm wheel 137, wherein the worm 131 is rotatably installed inside the box 1, two ends of the worm 131 are respectively connected with the driving motor 132 fixedly installed on the box 1, the rotating shaft 133 is rotatably installed inside the box 1, two first electromagnetic switches 136 are installed inside the rotating shaft 133, the two first electromagnetic switches 136 are simultaneously connected with one spline shaft 135, the spline shaft 135 is simultaneously installed inside the rotating shaft 133 in a spline manner, the two driving motors 132 simultaneously drive the worm 131 to rotate, no self-locking structure is installed on the driving motor 132, and even if one driving motor 132 fails, the other driving motor 132 can still be completely opened and closed.

As shown in FIG. 2, spline grooves 134 are formed in the front side of the sleeve valve 6, the front side of the oil pipe valve 10, the front side of the main valve 7 and the front side of the paraffin removal valve 11, the spline grooves 134 are in spline connection with corresponding spline shafts 135, worm gears 137 are fixedly arranged on the outer sides of rotating shafts 133, the worm gears 137 are meshed with the worm 131, the spline shafts 135 are simultaneously in rotational connection with the spline grooves 134 and the rotating shafts 133, and the rotating shafts 133 conveniently drive the valves corresponding to the spline grooves 134 to rotate through the spline shafts 135.

As shown in fig. 1 and 4, a conveying pipe 14 is fixedly installed on the left side of the box body 1, a first check valve 15 is installed at the joint of the conveying pipe 14 and the box body 1, and a pressure release mechanism 16 is fixedly installed on the right side of the box body 1.

In a further embodiment, the pressure release mechanism 16 includes a gas chamber 161, a piston plate 162, a first check valve 163, a second check valve 164 and a hydraulic driving device 165, the gas chamber 161 is fixedly installed at one side of the case 1 and is communicated with the case 1, the piston plate 162 is slidably installed inside the gas chamber 161, the first check valve 163 is installed to penetrate through the surface of the piston plate 162, the piston plate 162 is connected with the hydraulic driving device 165 fixedly installed inside the case 1, the second check valve 164 is installed to penetrate through one end of the gas chamber 161 away from the case 1, the flow direction of the gas is limited by the first check valve 163 and the second check valve 164, the gas in the case 1 flows into the gas chamber 161 through the first check valve 163, and the gas in the gas chamber 161 flows into the outside through the second check valve 164.

As shown in fig. 1, a drain pipe 17 is fixedly installed at the bottom of the case 1, and a second check valve 18 is installed at the junction of the drain pipe 17 and the case 1.

The first check valve 163, the second check valve 164, the level sensor and the like are all existing electric control parts, are directly electrically connected with the control panel and are also directly controlled by the control panel in a remote way, the technology is mature and applied to the prior art on various existing equipment, whether the specific structure is disclosed or not does not influence the integrity of the technical scheme, the box body 1 and the box cover at the rear side thereof are matched to form a closed shell, the box cover is opened during the submarine maintenance, the box cover at the rear side of the box body 1 is closed after the submarine maintenance is finished, the box body 1 is closed, seawater is remained in the box body 1 at the moment, in order to prevent the corrosion of the seawater to the parts and the damage of high water pressure to the sealing element, the seawater needs to be emptied and the pressure is reduced, the external air is used for conveying high-pressure air through the conveying pipe 14, the seawater in the box body 1 is discharged through the water discharge pipe 17 under the action of air pressure, the first check valve 15 prevents the air and the seawater from flowing back into the conveying pipe 14 under the action of pressure, the second check valve 18 prevents the external seawater from flowing back into the box body 1 through the water discharge pipe 17, after the seawater in the box body 1 is completely emptied, the hydraulic driving device 165 pulls the piston plate 162, so that the air in the box body 1 enters the air chamber 161 through the first one-way valve 163, the hydraulic driving device 165 pushes the piston plate 162, the piston plate 162 pushes the air in the air chamber 161 to be discharged through the second one-way valve 164 under the action of pressure, then, the air pressure in the box body 1 is reduced in a circulating way, when a specific valve needs to be driven, the corresponding first electromagnetic switch 136 is started, the first electromagnetic switch 136 pushes the spline shaft 135, the spline shaft 135 is connected with the spline groove 134 and the rotating shaft 133, then, the corresponding driving motor 132 is started, the driving motor 132 drives the worm 131 to rotate, the worm 131 drives the rotating shaft 133 to rotate through the worm wheel 137, the rotating shaft 133 drives the corresponding valve to rotate, each group of driving motor 132 and each group of first electromagnetic switch 136 are provided with two, the redundancy is improved, the paraffin removal valve 11 and the main valve 7 are opened when paraffin removal is needed, The winch 128 releases the second steel wire rope 129, the weight tungsten rod 121 sinks into the oil well under the action of gravity, meanwhile, the torsion spring 123 pushes the guide wheel 122 to contact the inner wall of the oil well, so that the weight tungsten rod 121 sinks into the bottom of the oil well under the condition of less contact with wax, the electric push rod 125 pulls the scraper 124 through the first steel wire rope 126 and rotates the scraper 124 until the scraper 124 is attached to the inner wall of the oil well, then the electric heating plate 127 is started, the electric heating plate 127 heats the scraper 124, the scraper 124 is conveniently melted and scraped by the scraper 124, the scraping operation is more comprehensive by the upper and lower layers of staggered scrapers 124 of the weight tungsten rod 121, The winch 128 winds the second wire rope 129 to enable the weight tungsten rod 121 to ascend and completely scrape wax, the control module and the level sensor arranged on the christmas tree monitor the balance of the box body 1 in real time, when the embedded anchor rod 3 is displaced due to the subsidence of the seabed, the box body 1 can incline, at the moment, the control panel controls the power supply line in the christmas tree to supply power to the corresponding electromagnetic coil 22 according to the inclination angle of the box body 1, the length of the four sleeves 21 and the ejector rod 25 is regulated, the effect of keeping the box body 1 in horizontal balance when the embedded anchor rod 3 is skewed is achieved, and the control mode is shown in the prior art, such as an automatic balancing robot chassis and engineering robot with the patent number of CN202321320969.8, in order to solve the problem, the application of the technology to various devices such as a machine dog in real life is known, the electromagnetic coil 22 is electrified and pushes the titanium-coated armature 23 to slide in the sleeve 21, then the titanium-coated armature 23 presses the energy-storage spring 24, the energy-storage spring 24 transmits kinetic energy and pushes the ejector rod 25, meanwhile, the movable toothed plate 27 on the ejector rod 25 is dislocated with the fixed toothed plate 26, the reset spring 28 pushes the corresponding movable toothed plate 27 to be meshed with the fixed toothed plate 26 after the ejector rod 25 stops moving to play a role of fixing the ejector rod 25 until the thrust of the energy-storage spring 24 is balanced with the resistance applied to the ejector rod 25, then the second electromagnetic switch 29 releases the corresponding movable toothed plate 27, The energy storage spring 24 pushes the titanium-coated armature 23 to be far away from the ejector rod 25, the second electromagnetic switch 29 pushes the corresponding movable toothed plate 27 to reset, meanwhile, the electromagnetic coil 22 is electrified again and pushes the titanium-coated armature 23, and similarly, the ejector rod 25 reaches a designated position by pushing the ejector rod 25 for a plurality of times, and the ejector rod 25 is matched with the sleeve 21, so that the box body 1 is kept balanced. what is not described in detail in this specification is prior art known to those skilled in the art.

The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present invention.

Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.

Claims (3)

1. The utility model provides an underwater christmas tree with dual independent power is controlled, includes box (1), sleeve pipe manifold (5), main valve (7), oil pipe manifold (9) and double dynamical valve control mechanism (13), its characterized in that: the four corners of the bottom of the box body (1) are rotatably provided with an active adjusting mechanism (2), the other end of the active adjusting mechanism (2) is rotatably connected with a pre-buried anchor rod (3), the pre-buried anchor rod (3) is buried on the seabed, the active adjusting mechanism (2) comprises a sleeve (21), an electromagnetic coil (22), a titanium-coated armature (23), an energy storage spring (24), an ejector rod (25), a fixed toothed plate (26), The movable toothed plate (27), the reset spring (28) and the second electromagnetic switch (29), wherein the titanium-coated armature (23) and the ejector rod (25) are slidably arranged in the sleeve (21), the energy storage spring (24) is arranged between the ejector rod (25) and the titanium-coated armature (23), the electromagnetic coil (22) is buried in the sleeve (21), the electromagnetic coil (22) is arranged outside the titanium-coated armature (23), the fixed toothed plates (26) are fixedly arranged on two sides of the inner wall of the sleeve (21), the movable toothed plates (27) are slidably arranged on two sides of the titanium-coated armature (23) and two sides of the ejector rod (25), the movable toothed plates (27) are meshed with the fixed toothed plates (26), The titanium-coated armature (23) is internally and fixedly provided with a second electromagnetic switch (29), the second electromagnetic switch (29) is connected with a corresponding movable toothed plate (27), a return spring (28) is fixedly arranged in the ejector rod (25), the return spring (28) is meshed with the corresponding movable toothed plate (27), the bottom of the box body (1) is fixedly welded with a sleeve four-way (4), sleeve manifolds (5) are arranged on two sides of the sleeve four-way (4), a plurality of sleeve valves (6) are arranged on the sleeve manifold (5) at the same time, a main valve (7) is fixedly arranged at the bottom of the sleeve four-way (4), an oil pipe four-way (8) is fixedly arranged at the top of the main valve (7), And oil pipe manifold (9) are installed on two sides of oil pipe cross (8), a plurality of oil pipe valves (10) are installed on oil pipe manifold (9) simultaneously, paraffin removal valve (11) is fixedly installed at the top of oil pipe cross (8), automatic paraffin removal mechanism (12) is fixedly installed at the top of paraffin removal valve (11), automatic paraffin removal mechanism (12) comprises a counterweight tungsten rod (121), a guide wheel (122), a torsion spring (123), a scraper (124), an electric push rod (125), a first steel wire rope (126), an electric heating plate (127), a winch (128) and a second steel wire rope (129), guide wheels (122) are rotatably installed on the upper side and the lower side of counterweight tungsten rod (121), The torsion springs (123) are arranged at the rotating connection positions of the guide wheels (122) and the counterweight tungsten rods (121), a plurality of scrapers (124) are arranged on the surfaces of the counterweight tungsten rods (121) in a fitting and staggered mode, the bottoms of the scrapers (124) are rotationally connected with the interiors of the counterweight tungsten rods (121), electric push rods (125) are fixedly arranged on the upper side and the lower side of the interiors of the counterweight tungsten rods (121), the two electric push rods (125) are connected through a first steel wire rope (126), the first steel wire rope (126) is connected with the bottoms of all the scrapers (124) at the same time, and electric heating plates (127) are buried in the scrapers (124);

The box body (1) is internally provided with a plurality of double-power valve control mechanisms (13), a plurality of sleeve valves (6) and a plurality of oil pipe valves (10) are respectively connected with the paraffin removal valve (11) through a double-power valve control mechanism (13), the double-power valve control mechanism (13) comprises a worm (131), a driving motor (132), a rotating shaft (133), spline grooves (134), spline shafts (135), first electromagnetic switches (136) and worm gears (137), the worm (131) is rotatably arranged in the box body (1), two ends of the worm (131) are respectively connected with the driving motor (132) fixedly arranged on the box body (1), the rotating shaft (133) is rotatably arranged in the box body (1), the rotating shaft (133) is internally provided with two first electromagnetic switches (136), the two first electromagnetic switches (135) are simultaneously connected with one spline shaft (135), the spline shafts (135) are simultaneously arranged in the box body (1) in a spline way, the spline shafts (135) are correspondingly arranged on the spline grooves (135) on the front side of the main valve (135), the spline shafts (135) are correspondingly arranged on the front side of the sleeve valves (10) and the spline shafts (134) on the front side (7), a worm wheel (137) is fixedly arranged on the outer side of the rotating shaft (133), and the worm wheel (137) is meshed with the worm (131);

The novel water tank is characterized in that a conveying pipe (14) is fixedly arranged on the left side of the tank body (1), a first check valve (15) is arranged at the joint of the conveying pipe (14) and the tank body (1), a pressure release mechanism (16) is fixedly arranged on the right side of the tank body (1), a drain pipe (17) is fixedly arranged at the bottom of the tank body (1), and a second check valve (18) is arranged at the joint of the drain pipe (17) and the tank body (1).

2. A subsea tree with dual independent power steering as claimed in claim 1, wherein: the inside of the box body (1) is provided with a winch (128), the winch (128) is connected with one end of a second steel wire rope (129), and the other end of the second steel wire rope (129) is connected with a counterweight tungsten rod (121).

3. A subsea tree with dual independent power steering as claimed in claim 1, wherein: the pressure release mechanism (16) comprises an air chamber (161), a piston plate (162), a first one-way valve (163), a second one-way valve (164) and a hydraulic driving device (165), wherein the air chamber (161) is fixedly arranged on one side of the box body (1) and is communicated with the box body (1), the piston plate (162) is slidably arranged in the air chamber (161), the first one-way valve (163) is arranged on the surface of the piston plate (162) in a penetrating manner, the piston plate (162) is connected with the hydraulic driving device (165) fixedly arranged in the box body (1), and the second one-way valve (164) is arranged on one end, far away from the box body (1), of the air chamber (161) in a penetrating manner.