CN215057193U - Wellhead platform of intelligent workover rig - Google Patents

Abstract

The utility model discloses a well head platform of intelligence workover car, including platform seat, hydraulic pressure pincers subassembly and link rod subassembly, the hydraulic pressure pincers subassembly includes breakout tongs platform, fixed pincers, movable clamp and first drive arrangement, and the link rod subassembly includes first connecting rod, second connecting rod and fourth drive arrangement. The hydraulic tong assembly is hinged with the platform base through the first connecting rod and the second connecting rod which are parallel to each other and drives the parallel connecting rods to swing through the fourth driving device to drive the pipe tong platform to move, so that the hydraulic tong assembly has a smaller moving distance in the working process, the quick switching of the hydraulic tong assembly at an avoiding position and a dismounting position is realized, and the working efficiency is greatly improved; and the smaller moving distance not only reduces the consumption of kinetic energy, but also reduces the action space, so that the whole equipment is economical and miniaturized.

Description

Wellhead platform of intelligent workover rig

Technical Field

The utility model relates to an oil field well workover equipment technical field especially relates to a well head platform of intelligence well workover car.

Background

The oil field well repairing operation refers to an operation of oil drilling and subsequent oil well maintenance, is a maintenance and maintenance measure for ensuring smooth use of an oil well, has high engineering difficulty and technical requirement, and can be carried out only by special equipment tools such as large-scale well repairing equipment.

In the existing well repairing equipment, mechanical automation operation is basically realized for the disassembly and assembly of oil well oil pipes and the loading and unloading. However, the operation of the wellhead platform still needs certain manual assistance, particularly for the disassembly and assembly operation of the pipe rod, the automation degree is low, a large action distance and action time are needed, and the minor repair operation efficiency is affected.

Disclosure of Invention

The utility model provides a well head platform of intelligence workover car to solve at least one among the above-mentioned technical problem.

The utility model discloses the technical scheme who adopts does:

the utility model provides a well head platform of intelligence workover car, includes the platform seat that has the well head position, still includes:

the pipe wrench comprises a pipe wrench platform, a fixed wrench, a movable wrench and a first driving device, wherein the pipe wrench platform is movably connected with the platform seat, the fixed wrench is arranged at the upper part of the pipe wrench platform, the movable wrench is coaxially arranged above the fixed wrench, the pipe wrench platform is provided with an avoiding position and a dismounting position and moves between the avoiding position and the dismounting position, the pipe wrench platform avoids the wellhead position at the avoiding position, the fixed wrench and the movable wrench are positioned above the wellhead position at the dismounting position, and the first driving device drives the movable wrench to ascend or descend in the vertical direction;

the connecting rod assembly comprises a first connecting rod, a second connecting rod and a fourth driving device, the first connecting rod is hinged with the platform base and the pipe wrench platform respectively, the second connecting rod is hinged with the platform base and the pipe wrench platform respectively, the first connecting rod and the second connecting rod are arranged in parallel, and the fourth driving device drives the first connecting rod and/or the second connecting rod to swing to drive the pipe wrench platform to move between the avoiding position and the dismounting position.

Preferably, the hydraulic tong assembly further comprises a pipe tong guide and a third driving device, the pipe tong guide is coaxially arranged above the movable tong, and the third driving device drives and controls the pipe tong guide to clamp or loosen a pipe rod.

Preferably, still include the hydraulic slip subassembly, the hydraulic slip subassembly includes connecting seat, slips, sixth drive arrangement, the connecting seat is located well head position, the slips with connecting seat swing joint, the drive of sixth drive arrangement the slips is relative the connecting seat rises or descends.

Preferably, the sixth driving device is two hydraulic cylinders, the two hydraulic cylinders are symmetrically arranged on two sides of the connecting seat in the moving direction of the pipe wrench platform, the hydraulic cylinders are fixed on the connecting seat in the vertical direction, and the telescopic ends of the hydraulic cylinders are connected with and drive the slips to move.

Preferably, still include elevator supporting component, elevator supporting component includes the elevator guide arm, the elevator guide arm set up in the both sides of well head position and have the guide way that extends along vertical direction, the activity of elevator guide arm sets up in the platform seat and can reciprocating motion be close to or keep away from well head position.

Preferably, the elevator supporting assembly further comprises a connecting arm and a guide rail, the connecting arm is hinged to the elevator guide rod and the first connecting rod respectively, the guide rail is arranged on two sides, perpendicular to the moving direction of the pipe wrench platform, of the platform base and is far away from the pipe wrench platform to extend, and the fourth driving device drives the pipe wrench platform to move, and the first connecting rod drives the elevator guide rod to move in a reciprocating mode through the connecting arm.

Preferably, still including preventing spouting the subassembly, prevent spouting the subassembly and include prevent spouting arm, plug valve and second drive arrangement, prevent spouting the arm with the breakout tongs platform is articulated, the plug valve can be dismantled connect in prevent spouting the arm, the drive of second drive arrangement prevent spouting the arm and use articulated axis to drive as the center the plug valve swing is so that the plug valve stretches into it is inboard to move the pincers.

Preferably, the second drive arrangement includes jackteeth, spur rack and hydro-cylinder, the breakout tongs platform is provided with the supporting seat, the jackteeth with prevent spouting the arm and link firmly and articulate in the upper portion of supporting seat, the spur rack vertical direction connect in the flexible end of hydro-cylinder and with the jackteeth looks meshing, the hydro-cylinder drive the spur rack reciprocates the drive the jackteeth rotates so that prevent spouting the arm swing.

Preferably, the pipe wrench platform is provided with a first guide rod, a second guide rod and a third guide rod which extend in the vertical direction, the first guide rod and the second guide rod are far away from the supporting seat, the third guide rod is close to the supporting seat and is located on the inner side of the supporting seat, and the first driving device is arranged on the outer side of the movable clamp and drives the movable clamp to ascend or descend along the first guide rod, the second guide rod and the third guide rod.

Preferably, one end of the plug valve is provided with a plug valve closing sleeve, and the plug valve is connected with the blowout prevention arm in an inserting mode through the plug valve closing sleeve.

Since the technical scheme is used, the utility model discloses the beneficial effect who gains does:

in this application, the breakout tongs platform has dodges position and dismouting position, and when dodging the position, the breakout tongs platform avoids the well head position to provide more operating space, make things convenient for the rising or the whereabouts of pipe pole (oil pipe sucker rod) and elevator. In the process that the pipe wrench platform moves from the avoidance position to the dismounting position, the pipe wrench platform moves integrally and drives the fixed wrench and the movable wrench to move above the wellhead position, the jaws of the fixed wrench and the movable wrench correspond to the wellhead position at the moment, the pipe rod is clamped conveniently and rotated, and therefore the butt joint and the separation of the pipe rod are completed. The blowout prevention arm of the blowout prevention assembly can drive the plug valve to extend into the inner side of the movable clamp under the driving control of the second driving device, and the plug valve is screwed into the underground oil pipe under the control of the movable clamp so as to plug the underground oil pipe and prevent the underground oil pipe from spraying liquid to pollute the site and influence the operation process of workers.

The hydraulic tong assembly is hinged to the platform base through the first connecting rod and the second connecting rod which are parallel to each other and drives the pipe tong platform to move through the fourth driving device, so that the hydraulic tong assembly has a smaller moving distance in the working process, the hydraulic tong assembly can be quickly switched between an avoiding position and a dismounting position, and the working efficiency is greatly improved. And the smaller moving distance not only reduces the consumption of kinetic energy, but also reduces the action space, so that the whole equipment is economical and miniaturized. In addition, the first connecting rod and the second connecting rod have light weight, so that the hydraulic clamp assembly can move more smoothly, the energy consumption is lower, the structure is simple, and the whole equipment is light.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is the utility model provides a pair of well head platform's main structure schematic view.

FIG. 2 is a schematic view of another angle of the wellhead platform in the embodiment of FIG. 1.

Fig. 3 is a schematic elevation view of the wellhead platform of fig. 1.

FIG. 4 is a schematic top view of the wellhead platform of FIG. 1.

Fig. 5 is a schematic top view of the pipe clamp platform of fig. 1.

FIG. 6 is a schematic cross-sectional view of the AA cross-section of FIG. 5.

Wherein the content of the first and second substances,

the automatic pipe wrench comprises a platform base 1, a pipe wrench platform 2, a fixed wrench 3, a movable wrench 4, a first driving device 5, a spray prevention arm 6, a plug valve 7, a second driving device 8, a toothed shaft 81, a spur rack 82, an oil cylinder 83, a pipe wrench 9, a third driving device 10, a first guide rod 11, a second guide rod 12, a third guide rod 13, a support seat 14, a first connecting rod 15, a second connecting rod 16, a fourth driving device 17, a hanging clamp guide rod 18, a guide groove 19, a connecting arm 20, a guide rail 21, a connecting seat 22, a slip 23, a sixth driving device 24 and a plug valve closing sleeve 25.

Detailed Description

In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

In addition, in the description of the present invention, it is to be understood that the terms "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1 to 6, the utility model provides a well head platform of intelligence workover car, including the platform seat 1 that has the well head position, still include:

the pipe wrench comprises a pipe wrench platform 2, a fixed wrench 3, a movable wrench 4 and a first driving device 5, wherein the pipe wrench platform 2 is movably connected with the platform base 1, the fixed wrench 3 is arranged on the upper part of the pipe wrench platform 2, the movable wrench 4 is coaxially arranged above the fixed wrench 3, the pipe wrench platform 2 is provided with an avoiding position and a dismounting position and moves between the avoiding position and the dismounting position, the pipe wrench platform 2 avoids the wellhead position in the avoiding position, the fixed wrench 3 and the movable wrench 4 are positioned above the wellhead position in the dismounting position, and the first driving device 5 drives the movable wrench 4 to ascend or descend in the vertical direction;

the first connecting rod 16 is hinged to the platform base 1 and the pipe wrench platform 2, the second connecting rod 17 is hinged to the platform base 1 and the pipe wrench platform 2, the first connecting rod 16 and the second connecting rod 17 are arranged in parallel, and the fourth driving device 17 drives the first connecting rod 16 and/or the second connecting rod 17 to swing to drive the pipe wrench platform 2 to move between the avoiding position and the dismounting position.

The platform seat 1 of the wellhead platform can be fixedly connected with equipment at the wellhead of an on-site oil field, so that a pipe rod (an oil pipe/an oil pumping rod) can perform minor repair operation on an oil well through the wellhead.

In the embodiment shown in figure 1, the breakout tongs platform 2 is in an avoidance position in which the breakout tongs platform 2 is clear of the wellhead location to provide more operating space to facilitate the raising or lowering of the pipe string and elevator. In the process that the pipe wrench platform 2 moves from the avoidance position to the dismounting position (not shown in the figure), the pipe wrench platform 2 integrally moves and drives the fixed wrench 3 and the movable wrench 4 to move to the upper part of the wellhead position, the jaws of the fixed wrench 3 and the movable wrench 4 correspond to the wellhead position at the moment, a pipe rod is conveniently clamped and rotated, and therefore the butt joint and the separation of the pipe rod are completed.

The hydraulic tong assembly is hinged with the platform base 1 through a first connecting rod 16 and a second connecting rod 17 which are parallel to each other and drives the parallel connecting rods to swing through a fourth driving device 17 to drive the pipe tong platform 2 to move, so that the hydraulic tong assembly has a smaller moving distance in the working process, the quick switching of the hydraulic tong assembly at an avoiding position and a dismounting position is realized, and the working efficiency is greatly improved. And the smaller moving distance not only reduces the consumption of kinetic energy, but also reduces the action space, so that the whole equipment is economical and miniaturized. In addition, the first connecting rod 16 and the second connecting rod 17 have light weight, so that the hydraulic clamp assembly can move more smoothly and consume less energy, and the hydraulic clamp assembly is simple in structure and light in weight.

Preferably, as shown in fig. 1 to 5, the hydraulic tong assembly further comprises a pipe tong guide 9 and a third driving device 10, the pipe tong guide 9 is coaxially arranged above the movable tong 4, and the third driving device 10 drives and controls the pipe tong guide 9 to clamp or release a pipe rod.

In the butt joint and separation process of the upper oil pipe and the lower oil pipe or the sucker rod, the pipe tongs guide 9 can clamp the upper oil pipe and the lower oil pipe or the sucker rod under the control of the third driving device 10, plays a role in positioning and fixing the upper oil pipe and the lower oil pipe or the sucker rod, and prevents the upper oil pipe and the lower oil pipe or the sucker rod from shaking in the operation process so as to influence the operation efficiency. The pipe wrench guide 9 can drive the upper oil pipe and the lower oil pipe or the sucker rod to descend under the control of the first driving device 5, plays a role in guiding the upper oil pipe and the lower oil pipe or the sucker rod, realizes the quick and accurate centering of the upper oil pipe and the lower oil pipe or the sucker rod, and greatly improves the operating efficiency.

Specifically, when oil pipe down, breakout tongs platform 2 is by dodging the position and remove to well head position to the dismouting position, breakout tongs leads positive 9 and at first presss from both sides tight oil pipe, prevents that oil pipe from rocking, then moves down with the accurate centering of tubular pole pin box under the control of first drive arrangement 5, then moves pincers 4 and drives the rotatory knot of going up of oil pipe, after the completion of going up the knot, breakout tongs leads positive 9 and moves pincers 4 and loosen and go up oil pipe, then breakout tongs platform 2 is by the dismouting position to dodging the position removal, vacate operating space, drive the oil pipe operation down by the elevator.

When an oil pipe is lifted, the elevator drives the oil pipe to ascend, the pipe tongs platform 2 moves to a wellhead position from an avoiding position to a dismounting position, after the oil pipe ascends to a specified position, the movable tongs 4 clamp the oil pipe to rotate to complete the dismounting action, the pipe tongs are guided to be 9, the oil pipe is firstly clamped and lifted, the pipe rod male and female buckles are separated, and then the oil pipe is lifted by the elevator.

For the specific structure of the pipe wrench guide 9, as shown in fig. 1 to 5, the pipe wrench guide 9 has two jaws which are in a v-shaped structure as a whole. The third driving device 10 is two hydraulic cylinders with opposite telescopic ends, two jaws are connected to the opposite telescopic ends of the hydraulic cylinders, and the two jaws are close to or far away from each other under the control of the hydraulic cylinders to clamp or loosen the pipe rod.

Preferably, as shown in fig. 1 to 2, the hydraulic slip 23 assembly further comprises a connecting seat 22, slips 23 and a sixth driving device 24, wherein the connecting seat 22 is located at the wellhead position, the slips 23 are movably connected with the connecting seat 22, and the sixth driving device 24 drives the slips 23 to ascend or descend relative to the connecting seat 22.

In this application, slips 23 of hydraulic slips 23 subassembly can rise or descend under sixth drive arrangement 24's control to realize the quick promotion location of tubular stem, make things convenient for the exchange of tubular stem between elevator and slips 23.

Specifically, in the process of lowering the oil pipe, the pipe wrench platform 2 returns to the avoiding position, the elevator lifts the oil pipe, the hydraulic slip 23 is opened, then the elevator drives the oil pipe to descend, and the elevator falls onto the hydraulic slip 23 to complete oil pipe exchange between the elevator and the slip 23. In the process of lifting the oil pipe, the elevator descends to the slips 23 to complete oil pipe exchange between the elevator and the slips 23, the elevator drives the elevator to ascend, the oil pipe coupling stops after the slips 23 are exposed, then the slips 23 are closed to prevent the oil pipe from shaking, and therefore the oil pipe can be operated conveniently. When plugging a lower oil pipe, the pipe wrench platform 2 swings to the dismounting position under the control of the driving device, then the blowout prevention arm 6 drives the plug valve 7 to swing to the central position, and the slips 23 clamp the lower oil pipe to prevent sinking, so that the plugging operation is ensured.

With regard to the construction of the slips 23, as shown in fig. 2, the slips 23 include two oppositely disposed segments that are driven toward and away from each other in a horizontal direction via a drive device to grip and release a pipe string. The tooth piece extends along the vertical direction, and the tooth piece can be dismantled and connect in order to make things convenient for the change to realize playing down of oil pipe or sucker rod.

For the driving structure of the slips 23, preferably, as shown in fig. 1, the sixth driving device 24 is two hydraulic cylinders, the two hydraulic cylinders are symmetrically arranged on two sides of the connecting seat 22 in the moving direction of the pipe wrench platform 2, the hydraulic cylinders are fixed to the connecting seat 22 in the vertical direction, and the telescopic ends of the hydraulic cylinders are connected to drive the slips 23 to move.

The utility model discloses in, sixth drive arrangement 24 adopts pneumatic cylinder drive control's mode to carry out lifting control to slips 23, and two hydro-cylinders 83 symmetrical arrangement drive slips 23 in vertical direction go up and down to make compact structure, occupy less space, the whole miniaturization of equipment. In addition, the hydraulic cylinder is adopted to provide driving force, the material selection is simple and convenient, the manufacturing cost is low, and the economic efficiency is high.

Preferably, as shown in fig. 1 to 4, the elevator system further comprises an elevator support assembly, wherein the elevator support assembly comprises elevator guide rods 18, the elevator guide rods 18 are arranged on two sides of the wellhead position and provided with guide grooves 19 extending along the vertical direction, and the elevator guide rods 18 are movably arranged on the platform base 1 and can move to and fro to approach or leave the wellhead position.

The utility model provides an elevator guide arm 18 and platform seat 1 swing joint and have different shift position, when elevator guide arm 18 removed to well head position, elevator guide arm 18 can play the effect that supports the direction to the elevator, makes the elevator accurate, quick whereabouts to well head position, accomplishes the exchange operation of pipe pole. During the fall of the elevator, as the elevator approaches the wellhead location, it first falls into the guide slots 19 of the elevator guide rods 18 and falls in the guide slots 19 in a given direction to the wellhead location. When the elevator guide rod 18 is far away from the wellhead position, the wellhead position has a relatively large operation space, and the hydraulic clamp assembly is convenient to move to the wellhead position to operate the pipe rod.

From the above, the utility model provides an elevator guide arm 18 not only can play the effect that supports the direction to the elevator, can also cooperate the hydraulic tong to move, conveniently carries out different operation operations to the pipe pole, makes whole equipment have higher suitability, and the structure is more reasonable.

Preferably, as shown in fig. 3, the elevator support assembly further includes a connecting arm 20 and a guide rail 21, the connecting arm 20 is hinged to the elevator guide rod 18 and the first connecting rod 16, the guide rail 21 is disposed on two sides of the platform base 1 perpendicular to the moving direction of the pipe wrench platform 2 and extends away from the pipe wrench platform 2, and the first connecting rod 16 drives the elevator guide rod 18 to reciprocate via the connecting arm 20 when the fourth driving device 17 drives the pipe wrench platform 2 to move.

In the embodiment shown in fig. 1, the elevator guide rod 18 is hinged to the first link 16 through the connecting arm 20 and is integrally driven and controlled by the fourth driving device 17, so that a matching control structure for linking the pipe wrench platform 2 and the elevator guide rod 18 is formed, each operation process is unified into an integral structure, the operation of the pipe rod is accurately and rapidly completed, and the working efficiency of the integral equipment is improved. In addition, the cooperation control structure of the elevator guide rod 18 and the pipe wrench platform 2 can greatly reduce the arrangement of parts, save the assembly space, miniaturize the whole equipment, save energy and ensure the economic and stable operation of the whole equipment.

Specifically, in the assembly process of the wellhead platform, the fourth driving device 17 drives the pipe tongs platform 2 to move to the avoiding position, and the pipe tongs platform 2 drives the elevator guide rod 18 to move to the wellhead position, so that the elevator can be conveniently placed on the elevator guide rod 18 to enable the operation machine to descend and be connected with the elevator for lifting. In the process of lowering the oil pipe, the elevator drives the pipe rod to descend and fall onto the hydraulic slip 23 under the supporting and guiding action of the elevator guide rod 18, and therefore the exchange of the pipe rod is conveniently completed.

Preferably, prevent spouting the subassembly and include prevent spouting arm 6, plug valve 7 and second drive arrangement 8, prevent spouting arm 6 with breakout tongs platform 2 is articulated, plug valve 7 can dismantle connect in prevent spouting arm 6, the drive of second drive arrangement 8 prevent spouting arm 6 and use the hinge axis to drive as the center plug valve 7 swings so that plug valve 7 stretches into 4 inboards of moving tong.

The blowout prevention arm 6 of the blowout prevention assembly can drive the plug valve 7 to extend into the inner side of the movable clamp 4 under the drive control of the second drive device 8, and the plug valve 7 is screwed into the underground oil pipe under the control of the movable clamp 4 so as to plug the underground oil pipe and prevent the underground oil pipe from spraying liquid to pollute the site and influence the operation process of workers.

During operation, the intelligent workover rig loads the wellhead platform to travel to the wellhead position, and the mechanical arm of the intelligent workover rig hoists the wellhead platform to the oilfield wellhead equipment and completes the installation and fixation of the wellhead platform. When oil pipe is lowered, the pipe wrench platform 2 firstly moves to a wellhead position from an avoiding position to a dismounting position, the oil pipe moves downwards under the control of the first driving device 5, the male and female buckles of the upper and lower oil pipes are centered, then the movable clamp 4 drives the upper oil pipe to rotate and buckle, the upper buckle is stopped after reaching a specified torque, the upper buckle is completed, the movable clamp 4 releases the upper oil pipe, then the pipe wrench platform 2 moves to the avoiding position from the dismounting position, an operation space is vacated, and the elevator drives the lower oil pipe to operate.

When an oil pipe is lifted, the elevator drives the oil pipe to ascend, meanwhile, the pipe wrench platform 2 moves to a wellhead position from an avoiding position to a dismounting position, after the oil pipe ascends to a specified position, the movable clamp 4 clamps the oil pipe to rotate to complete the action of shackle, then the first driving device 5 lifts the oil pipe to enable the pipe rod male and female buckles to be separated, and then the pipe rod is lifted by the elevator. Subsequently, the blowout prevention arm 6 swings the plug valve 7 to the center of the movable clamp 4 under the control of the second driving device 8, the plug valve 7 is screwed into the underground oil pipe under the control of the movable clamp 4, and the movable clamp 4 releases the plug valve 7 after the specified torque of the system is reached so as to plug the underground oil pipe and prevent the underground oil pipe from spraying liquid to pollute the site and influence the operation process of workers.

According to the above, the utility model discloses a hydraulic pressure pincers subassembly can freely switch at well head position and non-well head position to oil pipe's butt joint, separation and lower oil pipe, play oil pipe's continuous operation about convenient, degree of automation is high, and rational in infrastructure is compact, avoids occuping great space, makes the whole equipment tend to the miniaturization. And the hydraulic tong subassembly and prevent spouting the subassembly combined action, can be quick effectual realize "one key of oil pipe prevent spouting" operation, prevent that oil pipe blowout liquid causes the pollution to the scene in the pit to influence staff's operation process, degree of automation is high, and easy operation is convenient.

As for the structure of the second driving device 8, as shown in fig. 6, as a preferred embodiment, the second driving device 8 includes a toothed shaft 81, a spur rack 82 and an oil cylinder 83, the pipe wrench platform 2 is provided with a supporting seat 14, the toothed shaft 81 is fixedly connected with the blowout prevention arm 6 and is hinged on the upper portion of the supporting seat 14, the spur rack 82 is vertically connected to the telescopic end of the oil cylinder 83 and is meshed with the toothed shaft 81, and the oil cylinder 83 drives the spur rack 82 to move up and down to drive the toothed shaft 81 to rotate so as to swing the blowout prevention arm 6.

The utility model discloses in, the mode that second drive arrangement 8 adopted gear, rack and hydro-cylinder 83 to mutually support realizes the drive control who prevents spray arm 6, and not only the selection material is convenient, simple structure, and operation control is convenient, can also make the whole vertical direction of second drive arrangement 8 extend to arrange, has reduced the occupation space on the plane size, makes breakout tongs platform 2 have less structural area, makes whole equipment tend to the miniaturization.

As for the arrangement structure of the hydraulic tong assembly, as a preferred embodiment, the pipe wrench platform 2 is provided with a first guide rod 11, a second guide rod 12 and a third guide rod 13 extending along the vertical direction, the first guide rod 11 and the second guide rod 12 are far away from the support seat 14, the third guide rod 13 is close to the support seat 14 and is located at the inner side of the support seat 14, and the first driving device 5 is arranged at the outer side of the movable wrench 4 and drives the movable wrench 4 to ascend or descend along the first guide rod 11, the second guide rod 12 and the third guide rod 13.

As shown in fig. 1, the fixed jaw 3 and the movable jaw 4 of the hydraulic jaw assembly are provided with three guide rods, a first guide rod 11 and a second guide rod 12 are symmetrically arranged on one side of the pipe jaw platform 2, which is far away from the supporting seat 14 and is close to a wellhead position, a third guide rod 13 is arranged in the middle of the pipe jaw platform 2, which is far away from the first guide rod 11, the second guide rod 12 and the inner side of the supporting seat 14, so that the first guide rod 11, the second guide rod 12 and the third guide rod 13 are integrally arranged in a triangular shape, and the fixed jaw 3 and the movable jaw 4 are arranged at the central positions of the pipe jaw platform 2 and the three guide rods. The first driving device 5 is two hydraulic cylinders which are symmetrically arranged at the outer side of the movable clamp 4, so that the first driving device 5 can uniformly drive the movable clamp 4 to move along the guide rod.

According to the above, the utility model provides a fixed pincers 3 and movable pincers 4, first guide arm 11, second guide arm 12 and third guide arm 13, first drive arrangement 5 and supporting seat 14 are whole even, symmetrical arrangement in pipe tongs platform 2, not only make the hydraulic pressure pincers subassembly more compact, make whole equipment tend to the miniaturization, but also make 2 atress of pipe tongs platform more even, stable in the course of the work, effectively improve whole equipment's life.

Preferably, as shown in fig. 2 and 3, one end of the plug valve 7 is provided with a plug valve closing sleeve, and the plug valve 7 is fixedly inserted into the blowout prevention arm 6 through the plug valve closing sleeve.

The utility model discloses in, plug valve 7 is connected with preventing spouting arm 6 through the mode of pegging graft, and is simple and convenient, can realize the separation of the two fast, carries out effectual shutoff to oil pipe down. Specifically, the pipe wrench platform 2 moves to the dismounting position, the movable wrench 4 descends, the blowout prevention arm 6 swings the plug valve 7 to the center of the movable wrench 4, the pipe wrench guide 9 clamps the plug valve closing sleeve tightly, the movable wrench 4 rotates to connect the plug valve 7 to an underground oil pipe, the main wrench loosens the oil pipe after the specified torque of the system is achieved, the pipe wrench guide 9 moves downwards to pull the plug valve closing sleeve, the plug valve 7 is closed, the blowout prevention arm 6 is drawn out and moves to the avoiding position along with the pipe wrench platform 2, and one-key blowout prevention action is completed.

For the connection structure of the plug valve 7 and the blowout prevention arm 6, other modes, such as a magnetic attraction mode or a buckling mode, can be adopted to be connected and fixed with the blowout prevention arm 6.

The utility model can be realized by adopting or using the prior art for reference in places which are not mentioned in the utility model.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a well head platform of intelligence workover car, includes the platform seat that has the well head position, its characterized in that still includes:

the pipe wrench comprises a pipe wrench platform, a fixed wrench, a movable wrench and a first driving device, wherein the pipe wrench platform is movably connected with the platform seat, the fixed wrench is arranged at the upper part of the pipe wrench platform, the movable wrench is coaxially arranged above the fixed wrench, the pipe wrench platform is provided with an avoiding position and a dismounting position and moves between the avoiding position and the dismounting position, the pipe wrench platform avoids the wellhead position at the avoiding position, the fixed wrench and the movable wrench are positioned above the wellhead position at the dismounting position, and the first driving device drives the movable wrench to ascend or descend in the vertical direction;

the connecting rod assembly comprises a first connecting rod, a second connecting rod and a fourth driving device, the first connecting rod is hinged with the platform base and the pipe wrench platform respectively, the second connecting rod is hinged with the platform base and the pipe wrench platform respectively, the first connecting rod and the second connecting rod are arranged in parallel, and the fourth driving device drives the first connecting rod and/or the second connecting rod to swing to drive the pipe wrench platform to move between the avoiding position and the dismounting position.

2. The wellhead platform of the intelligent workover rig of claim 1, wherein the hydraulic tong assembly further comprises a pipe tong guide and a third driving device, the pipe tong guide is coaxially arranged above the movable tong, and the third driving device drives and controls the pipe tong guide to clamp or release a pipe rod.

3. The wellhead platform of an intelligent workover rig of claim 1, further comprising a hydraulic slip assembly, the hydraulic slip assembly comprising a connecting seat, a slip, and a sixth driving device, the connecting seat being located at the wellhead location, the slip being movably connected to the connecting seat, the sixth driving device driving the slip to ascend or descend relative to the connecting seat.

4. The wellhead platform of the intelligent workover rig of claim 3, wherein the sixth driving device is two hydraulic cylinders, the two hydraulic cylinders are symmetrically arranged on two sides of the connecting seat in the moving direction of the pipe wrench platform, the hydraulic cylinders are fixed on the connecting seat in the vertical direction, and telescopic ends of the hydraulic cylinders are connected and drive the slips to move.

5. The wellhead platform of the intelligent workover rig of claim 1, further comprising an elevator support assembly, wherein the elevator support assembly comprises elevator guide rods, the elevator guide rods are arranged on two sides of the wellhead location and provided with guide grooves extending in a vertical direction, and the elevator guide rods are movably arranged on the platform base and can move back and forth to be close to or far away from the wellhead location.

6. The wellhead platform of the intelligent workover rig of claim 5, wherein the elevator support assembly further comprises a connecting arm and a guide rail, the connecting arm is respectively hinged with the elevator guide rod and the first connecting rod, the guide rail is arranged on two sides of the platform base perpendicular to the moving direction of the pipe wrench platform and extends away from the pipe wrench platform, and the first connecting rod drives the elevator guide rod to move back and forth through the connecting arm during the fourth driving device drives the pipe wrench platform to move.

7. The wellhead platform of the intelligent workover rig of claim 1, further comprising a blowout prevention assembly, wherein the blowout prevention assembly comprises a blowout prevention arm, a plug valve and a second driving device, the blowout prevention arm is hinged to the pipe wrench platform, the plug valve is detachably connected to the blowout prevention arm, and the second driving device drives the blowout prevention arm to drive the plug valve to swing by taking a hinge axis as a center so that the plug valve extends into the inner side of the movable wrench.

8. The wellhead platform of the intelligent workover rig of claim 7, wherein the second driving device comprises a gear shaft, a spur rack and an oil cylinder, the pipe wrench platform is provided with a supporting seat, the gear shaft is fixedly connected with the blowout prevention arm and hinged on the upper portion of the supporting seat, the spur rack is vertically connected to the telescopic end of the oil cylinder and meshed with the gear shaft, and the oil cylinder drives the spur rack to move up and down to drive the gear shaft to rotate so as to enable the blowout prevention arm to swing.

9. The wellhead platform of an intelligent workover rig according to claim 8, wherein the pipe wrench platform is provided with a first guide rod, a second guide rod and a third guide rod which extend in the vertical direction, the first guide rod and the second guide rod are far away from the supporting seat, the third guide rod is close to the supporting seat and is positioned at the inner side of the supporting seat, and the first driving device is arranged at the outer side of the movable clamp and drives the movable clamp to ascend or descend along the first guide rod, the second guide rod and the third guide rod.

10. The wellhead platform of the intelligent workover rig of claim 7, wherein one end of the plug valve is provided with a plug valve closing sleeve, and the plug valve is fixedly inserted into the blowout prevention arm through the plug valve closing sleeve.

Images