CN217538619U - Pipe pole ferry device for oil field well workover - Google Patents

Abstract

The utility model discloses a pipe pole ferry device for oil field workover treatment, wherein one end of a cylinder barrel of a first hydraulic cylinder, which is far away from a piston rod of the first hydraulic cylinder, is rotationally connected on a fixed frame around an axis L; the swing rod bracket is rotationally connected with a piston rod of the first hydraulic cylinder, and the rotational axis between the swing rod bracket and the piston rod is an axis J; one end of the swing rod bracket is rotatably connected to the fixed frame around an axis O, and the axis L, the axis O and the axis J are parallel; one end of the swing rod support, which is far away from the fixed frame, is connected with an automatic limiting structure, and the automatic limiting structure and one end of the swing rod support, which is far away from the fixed frame, form an automatic clamping structure; the controller is respectively electrically connected with the first hydraulic cylinder and the automatic limiting structure. The utility model discloses an oil field workover is with tubular pole ferry-boat device can hold the pipeline section of being transferred automatically, and will be transferred the pipeline section ferry-boat to keeping away from the well head position to can not only reduce the labour, can improve the security moreover.

Description

Pipe rod ferry device for oil field well workover

Technical Field

The utility model relates to an oil field workover equipment technical field, more specifically the saying so relates to an oil field workover is with pipe pole ferry-boat device.

Background

At present, during the oil field workover operation, in the lifting process of a sucker rod or an oil pipe, a workover rig (operation rig) drives a steel wire rope through a winch, the steel wire rope passes through a pulley block, a lifting hook moves upwards, lifting rings are hung on two sides of the lifting hook, an elevator is hung below the lifting rings and clamps the oil pipe to move upwards, after 1 oil pipe is completely out of a well, the oil pipe is clamped through a chuck, then the oil pipe and the lower oil pipe are disassembled (in threaded connection) through a hydraulic tong to be aligned with the well, the hydraulic tong is withdrawn, then a well head operator commands the operation rig (workover rig) to lift the oil pipe by about 0.3 meter, after the well head operator pulls the lower end of the oil pipe, the oil pipe is slowly lowered, then the oil pipe operator is pulled to be placed on a small pulley far away from the well through the oil pipe, the oil pipe section clamped by the pipe tong is pulled down, the pipe section is pulled down and moved along with the movement of the small pulley, the speed of the small pulley is consistent with the speed of the smooth traveling of the moving of the small pulley, after the section contacts with a tubing pillow, the oil pipe head, the lowering command the operation rig operator stops the lowering, finally, the operation rig, the pin is pulled down to pull out of the lifting ring to carry out the other section to carry out the lifting ring, and to carry out the operation rig to carry out the lifting ring; in the lowering process of the sucker rod or the oil pipe, the workover rig lifts the oil pipe to a vertical state through a winch, a hook, a lifting ring, an elevator and the like, a worker holds the oil pipe to carry the oil pipe and fixes the oil pipe in the vertical state, so that the oil pipe does not swing and is aligned with the lowered oil pipe.

However, because the staff need be closer apart from the well head when taking oil pipe, and oil pipe's weight is heavier moreover, then oil pipe brings the potential safety hazard to the staff transferring the in-process, can easily make the workman tired simultaneously.

Therefore, how to provide a pipe rod ferry device for oilfield workover operation, which can enable the lower end of an oil pipe to swing at a certain angle, is a technical problem to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an oil field is tubular pole ferry-boat device for workover, can hold the pipeline section of being transferred automatically, and can drive ferry-boat certain angle below the oil pipe to supplementary oil pipe transfers or the work that oil pipe aligns, thereby can not only reduce the labour, can improve the security moreover.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an oil field is tubular pole ferry device for workover, includes:

a fixed mount;

one end, far away from a piston rod of the first hydraulic cylinder, of a cylinder barrel of the first hydraulic cylinder is rotatably connected to the fixing frame around an axis L;

the swing rod support is rotatably connected with a piston rod of the first hydraulic cylinder, and a rotating axis between the swing rod support and the piston rod is an axis J; one end of the swing rod bracket is rotationally connected to the fixed frame around an axis O, and the axis L, the axis O and the axis J are parallel; one end, far away from the fixed frame, of the swing rod support is connected with an automatic limiting structure, and the automatic limiting structure and one end, far away from the fixed frame, of the swing rod support form an automatic clamping structure;

and the controller is respectively and electrically connected with the first hydraulic cylinder and the automatic limiting structure.

Preferably, an arc-shaped accommodating notch is cut at one end, away from the fixed frame, of the swing rod support, the protruding direction of the accommodating notch protrudes towards one end, close to the fixed frame, meanwhile, a straight line where a chord of the accommodating notch is located is a straight line P, and the straight line P is parallel to the axis L and the axis O respectively;

a strip-shaped mounting groove is formed in one end, away from the fixed frame, of the swing rod support, is positioned on one side of the accommodating gap, the length extending direction of the strip-shaped mounting groove is the same as the extending direction of the straight line P, and the strip-shaped mounting groove is extended to be communicated with the accommodating gap;

automatic limit structure connects in the bar mounting groove, just automatic limit structure's one end extends to outside the bar mounting groove, and can with the cooperation of holding breach forms automatic clamping structure.

Preferably, the automatic limiting structure comprises: the second hydraulic cylinder, the first U-shaped frame, the connecting rod, the guide shaft, the second U-shaped frame, the spring, the arc-shaped connecting piece, the first rotating shaft, the second rotating shaft, the third rotating shaft and the limiting part;

the cylinder barrel of the second hydraulic cylinder is fixed in the strip-shaped mounting groove and is positioned at one end, far away from the accommodating notch, in the strip-shaped mounting groove, meanwhile, the second hydraulic cylinder is electrically connected with the controller, and a piston rod of the second hydraulic cylinder can reciprocate along the length direction of the strip-shaped mounting groove;

the first U-shaped frame, the guide shaft, the second U-shaped frame, the arc-shaped connecting piece and the limiting part are sequentially arranged from one end close to the second hydraulic cylinder to one end far away from the second hydraulic cylinder along the length direction of the strip-shaped mounting groove, the limiting part is arc-shaped and extends out of the strip-shaped mounting groove, and meanwhile, the limiting part and the accommodating notch can be matched into a C-shaped structure;

meanwhile, a piston rod of the second hydraulic cylinder is sequentially connected with the connecting rod, the first U-shaped frame, the guide shaft and the second U-shaped frame, the spring is sleeved on the guide shaft, the arc-shaped connecting piece and the second U-shaped frame are rotatably connected through the first rotating shaft, the first rotating shaft is fixed on the second U-shaped frame and is slidably connected with the side wall of the bar-shaped mounting groove extending along the length direction of the bar-shaped mounting groove, one end of the limiting portion, close to the arc-shaped connecting piece, is rotatably connected with the arc-shaped connecting piece through the second rotating shaft and is rotatably connected with the side wall of the bar-shaped mounting groove extending along the length direction of the bar-shaped mounting groove through the third rotating shaft.

Preferably, the swing link bracket includes: the device comprises a first swing arm, a second swing arm and a cross beam, wherein the first swing arm and the second swing arm are arranged in parallel at intervals, the cross beam is positioned between the first swing arm and the second swing arm, the two ends of the cross beam are fixedly connected with the first swing arm and the second swing arm in a one-to-one correspondence manner, the first swing arm, the second swing arm and the cross beam are connected to form a U-shaped structure, one ends of the first swing arm and the second swing arm, far away from the cross beam, are rotatably connected to a fixed frame around an axis O, and the accommodating notch and the strip-shaped mounting groove are both arranged on the cross beam;

meanwhile, the number of the first hydraulic cylinders is two, the first hydraulic cylinders are electrically connected with the controller, the positions of the first hydraulic cylinders correspond to the positions of the first swing arms and the second swing arms one by one, one end, far away from the cylinder barrel of each first hydraulic cylinder, of the piston rod of each first hydraulic cylinder is connected to the fixing frame in a rotating mode around the axis L, the piston rod of each first hydraulic cylinder is connected to the corresponding first swing arm in a rotating mode, the piston rod of each first hydraulic cylinder is connected to the corresponding second swing arm in a rotating mode, the rotating axis between the piston rods of the first hydraulic cylinders in the first swing arms is corresponding to the rotating axis between the piston rods of the second hydraulic cylinders in the rotating mode, and the rotating axis between the piston rods of the first hydraulic cylinders in the second swing arms in the rotating mode is corresponding to the axis J.

Can know via foretell technical scheme, compare with prior art, the utility model discloses a pipe pole ferry-boat device for oil field workover, can realize following technological effect:

the utility model provides a pair of oil field workover is with tubular pole ferry-boat device can hold the pipeline section of being transferred automatically, and will be transferred the pipeline section ferry-boat to keeping away from the well head position (the position that is close to the jigger) to not only no longer need the staff will be hung by the operation machine transfer the oil pipe section and stimulate near jigger to can reduce the labour, at this in-process moreover, the staff need not go to be close to the well head and hold the lower oil drain pipe section of being hung by the operation machine, consequently makes the utility model discloses can improve the security.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of a pipe rod ferry device for oil field workover treatment according to the present invention;

fig. 2 is an enlarged view of a structure at a in fig. 1.

Wherein, 2-a first hydraulic cylinder; 3-a swing rod bracket; 4-automatic limit structure; 300-accommodating the gap; 30-strip-shaped mounting grooves; 41-a limiting part; 42-a second hydraulic cylinder; 43-a first "U" shaped frame; 44-a connecting rod; 45-a guide shaft; 46-a second "U" shaped frame; 47-a spring; 48-an arcuate connector; 491-a first rotating shaft; 492-a second shaft; 493 third rotating shaft; 31-a first swing arm; 32-a second swing arm; 33-a cross beam; 5-interval; 6-a positioning member; 7-strip-shaped limiting grooves;

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The embodiment of the utility model discloses oil field workover is with pipe pole ferry-boat device, include:

a fixed mount;

the cylinder barrel of the first hydraulic cylinder 2 is far away from one end of the piston rod of the first hydraulic cylinder 2 and is rotationally connected to the fixed frame around an axis L;

the swing rod support 3 is rotationally connected with a piston rod of the first hydraulic cylinder 2, and a rotating axis between the swing rod support 3 and the piston rod is an axis J; one end of the swing rod bracket 3 is rotatably connected to the fixed frame around an axis O, and the axis L, the axis O and the axis J are parallel; one end of the swing rod support 3, which is far away from the fixed frame, is connected with an automatic limiting structure 4, and the automatic limiting structure 4 and one end of the swing rod support 3, which is far away from the fixed frame, form an automatic clamping structure;

the controller, the first pneumatic cylinder 2 of controller difference electric connection and automatic limit structure 4.

This application can accomplish the rise and transfer process of sucker rod or oil pipe:

in the normal workover operation in-process, play the sucker rod in the pit earlier, play out oil pipe again, play out sucker rod and oil pipe are whole back, accomplish corresponding workover technology, put oil pipe down in the well again, transfer after oil pipe, transfer the sucker rod again, then accomplish workover, the trailer pump begins to pump oil.

In the lifting process of an oil pumping rod or an oil pipe, the workover rig drives a steel wire rope through a winch, the steel wire rope passes through an assembly pulley, the lifting hook moves upwards, lifting rings are hung on two sides of the lifting hook, an elevator is hung below the lifting rings, the elevator clamps the oil pipe to move upwards, after 1 oil pipe is completely separated from a well head, the oil pipe is clamped through a chuck, the hydraulic tong is used for further separating the oil pipe from the oil pipe below (in threaded connection) (the phase is the prior art), then the deviated well head of the oil pipe to be separated is needed, and the specific principle of the deviated well head of the oil pipe to be separated is as follows:

the method comprises the steps of controlling the extension of a piston rod of a first hydraulic cylinder 2 through a controller, driving a swing rod support 3 to swing relative to a fixed frame, controlling an automatic limiting structure 4 to work through the controller when the swing rod support 3 swings to a position near an oil pipe section to be lowered, enabling the automatic limiting structure 4 and an automatic clamping structure formed by one end, far away from the fixed frame, of the swing rod support 3 to be opened, enabling the automatic clamping structure formed by the automatic limiting structure 4 and one end, far away from the fixed frame, of the swing rod support 3 to be closed along with the continuous approaching of the swing rod support 3 to a lower section (one end close to the ground), clamping the oil pipe section to be lowered through the automatic clamping structure (for convenience of operation, the lower section of the oil pipe section to be lowered is generally clamped through the automatic clamping structure), controlling the piston rod of the first hydraulic cylinder 2 to be shortened through the controller to drive the swing rod support 3 to reversely until the swing rod support 3 approaches a small pulley, enabling a worker to hold the oil pipe section to be lowered through the oil pipe section to be lowered, controlling the piston rod of the first hydraulic cylinder 2 to be shortened through the controller again to enable the piston rod support to be moved to be kept away from the automatic clamping structure of the automatic limiting structure, enabling the pulley to be kept away from the lower end of the small pulley to be clamped by a small pulley, and enabling the pulley to be moved along with the small pulley structure, and enabling the pulley to be moved by the pulley to be clamped by the pulley to be moved by the pulley, and enabling the pulley to be stopped by the pulley to be moved by the pulley structure, and to be stopped by the pulley to be moved by the pulley to be kept away from the pulley after the pulley to be moved by the pulley, wherein the pulley to be moved by the pulley to be stopped, the lifting eye is pulled out in order to subsequently perform the same operation on another pipe section. And repeating the steps until the used oil pipe is finished. As is the sucker rod.

In the process of lowering the sucker rod or the oil pipe, firstly, the oil pipe is conveyed to a wellhead through the pipe processor, then the oil pipe is clamped through the elevator, the workover rig firstly lifts the oil pipe to a vertical state (the phase is the prior art) through the winch, the hook, the lifting ring and the elevator, the oil pipe is lifted to the vertical state, the oil pipe is supported in the lowering process of the sucker rod or the oil pipe, the oil pipe is fixed in the vertical state, the oil pipe does not swing, and the oil pipe is aligned with the lowering oil pipe (the specific working principle of the oil pipe is similar to the working principle of the oil pipe in the lifting process of the sucker rod or the oil pipe, and the description is omitted here). At this moment, the hook is transferred, and the box of the pipe pin thread that oils and oil pipe down can contact, and rethread hydraulic tong couples together two oil pipe through threaded connection, later transfers oil pipe to the well in, and another oil pipe is transferred in the recirculation, so reciprocal, finishes until oil pipe all transfers. As is the sucker rod.

In a word, in the lifting process of the oil pipe, the lower surface of the oil pipe is swung at a certain angle, so that the oil pipe is placed on the jigger; transfer the in-process at oil pipe, play and accept oil pipe and with the effect that following oil pipe aligns, and replaced workman manual execution to can not only reduce the labour, at this in-process moreover, the staff need not go to be close to the well head and holds the lower oil drain pipeline section of being hung by the workover rig, consequently makes the utility model discloses can improve the security.

In order to further optimize the technical scheme, an arc-shaped accommodating notch 300 is cut at one end, away from the fixed frame, of the swing rod support 3, the protruding direction of the accommodating notch 300 protrudes towards one end, close to the fixed frame, meanwhile, the straight line where the chord of the accommodating notch 300 is located is a straight line P, and the straight line P is respectively parallel to the axis L and the axis O;

a strip-shaped mounting groove 30 is formed in one end, away from the fixed frame, of the swing rod support 3, the strip-shaped mounting groove 30 is located on one side of the accommodating notch 300, meanwhile, the length extending direction of the strip-shaped mounting groove 30 is the same as the extending direction of the straight line P, and the strip-shaped mounting groove 30 is extended to be communicated with the accommodating notch 300;

automatic limit structure 4 connects in bar mounting groove 30, and outside the one end of automatic limit structure 4 extended to bar mounting groove 30 to can form automatic clamping structure with the cooperation of holding breach 300.

The utility model adopts the above technical scheme, because the straight line P that the chord of holding breach 300 is located is parallel to axis L and axis O respectively, therefore, after the pipeline section that needs to be transferred is hung by the operation machine, and after the automatic clamping structure that automatic limit structure 4 and holding breach 300 formed opened, pendulum rod support 3 can make the pipeline section that is transferred automatically enter into the automatic clamping structure in the process that constantly is close to the pipeline section that is transferred, thereby need not the workman to go near the well head to place the pipeline section that is transferred in the automatic clamping structure, then improved the security of operation, guaranteed the operating efficiency simultaneously;

and, the utility model discloses holding breach 300 on the pendulum rod support 3 cooperates with automatic limit structure 4, and forms automatic clamping structure, makes holding breach 300 both be on pendulum rod support 3, and is automatic clamping structure's partly again, and automatic limit structure 4 is connected in bar mounting groove 30 simultaneously, then the utility model discloses a compact structure and volume are less.

In order to further optimize the above technical solution, the automatic limiting structure 4 includes: a second hydraulic cylinder 42, a first U-shaped frame 43, a connecting rod 44, a guide shaft 45, a second U-shaped frame 46, a spring 47, an arc-shaped connecting piece 48, a first rotating shaft 491, a second rotating shaft 492, a third rotating shaft 493 and a limiting part 41;

the cylinder barrel of the second hydraulic cylinder 42 is fixed in the strip-shaped mounting groove 30 and is positioned at one end, far away from the accommodating notch 300, in the strip-shaped mounting groove 30, meanwhile, the second hydraulic cylinder 42 is electrically connected with the controller, and a piston rod of the second hydraulic cylinder 42 can reciprocate along the length direction of the strip-shaped mounting groove 30;

moreover, the first U-shaped frame 43, the guide shaft 45, the second U-shaped frame 46, the arc-shaped connecting member 48 and the limiting portion 41 are sequentially arranged from one end close to the second hydraulic cylinder 42 to one end far away from the second hydraulic cylinder 42 along the length direction of the strip-shaped mounting groove 30, the limiting portion 41 is arc-shaped and extends out of the strip-shaped mounting groove 30, and meanwhile, the limiting portion 41 and the accommodating notch 300 can be matched to form a C-shaped structure;

the piston rod of the second hydraulic cylinder 42 is sequentially connected with the connecting rod 44, the first U-shaped frame 43, the guide shaft 45 and the second U-shaped frame 46, the spring 47 is sleeved on the guide shaft 45, the arc-shaped connecting piece 48 is rotationally connected with the second U-shaped frame 46 through the first rotating shaft 491, the first rotating shaft 491 is fixed on the second U-shaped frame 46 and is slidably connected with the side wall of the bar-shaped mounting groove 30 extending along the length direction of the bar-shaped mounting groove 30, one end of the limiting portion 41 close to the arc-shaped connecting piece 48 is rotationally connected with the arc-shaped connecting piece 48 through the second rotating shaft 492 respectively, and is rotationally connected with the side wall of the bar-shaped mounting groove 30 extending along the length direction of the bar-shaped mounting groove through the third rotating shaft 493.

Specifically, the method comprises the following steps: the open end of the first U-shaped frame 43 faces the second hydraulic cylinder 42, a through hole penetrates through the closed end of the first U-shaped frame 43 along the length direction of the strip-shaped mounting groove 30, the connecting rod 44 is parallel to the closed end of the first U-shaped frame 43, the two ends of the connecting rod 44 are correspondingly fixed on the two inner walls of the first U-shaped frame 43, the piston rod of the second hydraulic cylinder 42 is fixed on the connecting rod 44, and a space 5 is formed between the connecting rod 44 and the closed end of the first U-shaped frame 43;

the length of the guide shaft 45 extends along the length direction of the strip-shaped mounting groove 30, one end of the guide shaft 45 close to the first U-shaped frame 43 passes through the through hole and is positioned in the U-shaped groove of the first U-shaped frame 43, meanwhile, one end of the guide shaft 45 positioned in the U-shaped groove of the first U-shaped frame 43 is fixed with a positioning piece 6 with the diameter larger than that of the through hole, and the first U-shaped frame 43 can reciprocate on the guide shaft 45 along the length direction of the guide shaft 45 through the through hole; the closed end of the second U-shaped frame 46 faces the guide shaft 45, and one end of the guide shaft 45 close to the second U-shaped frame 46 is fixed at the closed end of the second U-shaped frame 46;

the spring 47 is sleeved on the guide shaft 45, and two ends of the spring 47 are abutted against the closed end of the first U-shaped frame 43 and the closed end of the second U-shaped frame 46 in a one-to-one correspondence manner;

the first rotating shaft 491 is parallel to the closed end of the second U-shaped frame 46 and is respectively fixed on two side walls of the second U-shaped frame 46, meanwhile, strip-shaped limiting grooves 7 extending along the length direction of the strip-shaped mounting groove 30 are respectively penetrated on the two side walls extending along the length direction of the strip-shaped mounting groove 30, and two ends of the first rotating shaft 491 are in one-to-one correspondence with the two strip-shaped mounting grooves 30 and are in sliding connection;

the two arc-shaped connecting pieces 48 are symmetrically arranged at intervals of 5, and are close to the two inner walls of the second U-shaped frame 46 in a one-to-one correspondence manner, the protruding direction of each arc-shaped connecting piece 48 protrudes towards the direction of the notch of the strip-shaped mounting groove 30, and the same ends of the two arc-shaped connecting pieces 48 close to the guide shaft 45 are both rotatably connected to the first rotating shaft 491;

the second rotating shaft 492 is located between the two arc-shaped connecting pieces 48 and parallel to the first rotating shaft 491, and two ends of the second rotating shaft 492 are fixed with the same ends of the two arc-shaped connecting pieces 48 close to the limiting part 41 in a one-to-one correspondence manner;

the third rotating shaft 493 is parallel to the second rotating shaft 492, two ends of the third rotating shaft 493 are fixed on the side wall of the strip-shaped mounting groove 30 in a one-to-one correspondence manner, and meanwhile, one end of the limiting portion 41, which is close to the arc-shaped connecting piece 48, is hinged to the second rotating shaft 492 and the third rotating shaft 493 respectively.

Wherein, the positioning piece 6 can be a nut, namely: the positioning member 6, which is screwed to the end of the guide shaft 45 located in the U-shaped groove of the first U-shaped frame 43, is a nut, and the diameter of the nut is larger than that of the through hole, so that the end of the guide shaft 45 located in the U-shaped groove of the first U-shaped frame 43 cannot slip out of the through hole.

In addition, because the connecting rod 44 and the closed end of the first U-shaped frame 43 have the space 5 therebetween, a moving space can be provided for the first U-shaped frame 43 to move on the guide shaft 45, and the length of the space 5 along the length direction of the strip-shaped mounting groove 30 is greater than the moving amount of the second U-shaped frame 46 on the guide shaft 45, so that the problem that the positioning member 6 abuts against the connecting rod 44 or the piston rod of the second hydraulic cylinder 42 in the process of moving the second U-shaped frame 46 on the guide shaft 45 is not easy to occur.

This application adopts above-mentioned technical scheme, and its principle does: under the control of the controller, when the piston rod of the second hydraulic cylinder 42 extends, the piston rod of the second hydraulic cylinder 42 drives the connecting rod 44 and the first U-shaped frame 43 to move synchronously in a direction approaching the accommodating notch 300, and at the same time, the first U-shaped frame 43 moves in a direction approaching the accommodating notch 300 along the length direction of the guide shaft 45 on the guide shaft 45 through the through hole, and at this time, the first U-shaped frame 43 presses the spring 47, so as to drive the second U-shaped frame 46 and the first rotating shaft 491 to move in a direction approaching the accommodating notch 300 (at this time, each end of the first rotating shaft 491 moves in a direction approaching the accommodating notch 300 in the corresponding strip-shaped mounting groove 30), so as to drive the arc-shaped connecting piece 48 to rotate in a direction departing from the groove bottom of the strip-shaped mounting groove 30 around the first rotating shaft 491, and simultaneously, the limiting parts 41 respectively rotate in a direction departing from the groove bottom of the strip-shaped mounting groove 30 around the second rotating shaft 492 and the third rotating shaft 493, so as to drive the limiting parts 41 and form an opening of a C-shaped structure with the accommodating notch 30, until the pipe section is continuously released in the pipe section 3, so that the pipe section can pass through the C-shaped opening in the pipe section releasing process;

then, under the action of the controller, the piston rod of the second hydraulic cylinder 42 is controlled to be shortened, the piston rod of the second hydraulic cylinder 42 drives the connecting rod 44 and the first U-shaped frame 43 to move synchronously in a direction away from the accommodating notch 300, and at the same time, the first U-shaped frame 43 moves on the guide shaft 45 along the length direction of the guide shaft 45 through the through hole and in a direction away from the accommodating notch 300, so that the spring 47 is reset, the second U-shaped frame 46 and the first rotating shaft 491 move in a direction away from the accommodating notch 300 (at this time, each end of the first rotating shaft 491 moves in a direction away from the accommodating notch 300 in the corresponding strip-shaped mounting groove 30), the arc-shaped connecting piece 48 is driven to rotate in a direction close to the bottom of the strip-shaped mounting groove 30 around the first rotating shaft 491, and the limiting portions 41 rotate in a direction close to the bottom of the strip-shaped mounting groove 30 around the second rotating shaft 492 and the third rotating shaft 493 respectively, so that the limiting portions 41 and the central opening of the C-shaped structure formed by the limiting portion 41 and the C-shaped structure of the swing rod 30 are not slipped off from the central cavity of the C-shaped support.

In addition, a spring 47 is arranged between the second U-shaped frame 46 and the first U-shaped frame 43, so that the limiting part 41 cannot clamp the oil pipe in the central cavity of the C-shaped structure, the oil pipe can move in the central cavity of the C-shaped structure, and normal downward placement of the oil pipe can be guaranteed.

In order to further optimize the above technical solution, the swing link bracket 3 includes: the device comprises a first swing arm 31, a second swing arm 32 and a cross beam 33, wherein the first swing arm 31 and the second swing arm 32 are parallel and are arranged at intervals of 5, the cross beam 33 is positioned between the first swing arm 31 and the second swing arm 32, two ends of the cross beam 33 are fixedly connected with the first swing arm 31 and the second swing arm 32 in a one-to-one correspondence manner, the first swing arm 31, the second swing arm 32 and the cross beam 33 are connected to form a U-shaped structure, one ends, far away from the cross beam 33, of the first swing arm 31 and the second swing arm 32 are rotatably connected to a fixed frame around an axis O, and an accommodating notch 300 and a strip-shaped mounting groove 30 are arranged on the cross beam 33;

simultaneously, first pneumatic cylinder 2 is two, and all with controller electric connection, and the position one-to-one of two first pneumatic cylinders 2 corresponds the position of first swing arm 31 and second swing arm 32, the one end that the piston rod of corresponding first pneumatic cylinder 2 was kept away from to the cylinder of every first pneumatic cylinder 2 all rotates around axis L and connects on the mount, and the piston rod of a first pneumatic cylinder 2 rotates with the first swing arm 31 that corresponds and is connected, the piston rod of another first pneumatic cylinder 2 rotates with the second swing arm 32 that corresponds and is connected, and the axis of rotation between the piston rod of first swing arm 31 and the first pneumatic cylinder 2 that corresponds, and the axis of rotation between the piston rod of second swing arm 32 and the first pneumatic cylinder 2 that corresponds is axis J.

This application adopts above-mentioned technical scheme, under the control of controller, can control two first pneumatic cylinders 2 synchronous motion, then pendulum rod support 3 makes pendulum rod support 3 more stable around the mount swing under two first pneumatic cylinders 2's combined action.

In order to further optimize above-mentioned technical scheme, holding breach 300 is located the middle part of crossbeam 33, and bar mounting groove 30 is located one side of holding breach 300, thereby the utility model discloses when ferrying the oil pipe section, make the oil pipe section be located the utility model discloses a centre then does benefit to the stability of this application ferry-boat in-process.

It should be noted that: the controller of the present invention is a choice of the conventional art in the field, and is not protected by the present application, so the structure of the controller is not described herein again.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (4)

1. The utility model provides an oil field is tubular pole ferry device for workover which characterized in that includes:

a fixed mount;

the end, away from a piston rod of the first hydraulic cylinder (2), of a cylinder barrel of the first hydraulic cylinder (2) is rotatably connected to the fixed frame around an axis L;

the swing rod support (3) is rotatably connected with a piston rod of the first hydraulic cylinder (2), and a rotating axis between the swing rod support (3) and the piston rod is an axis J; one end of the swing rod bracket (3) is rotationally connected to the fixed frame around an axis O, and the axis L, the axis O and the axis J are parallel; one end, far away from the fixed frame, of the swing rod support (3) is connected with an automatic limiting structure (4), and the automatic limiting structure (4) and one end, far away from the fixed frame, of the swing rod support (3) form an automatic clamping structure;

and the controller is respectively and electrically connected with the first hydraulic cylinder (2) and the automatic limiting structure (4).

2. The pipe pole ferry device for oilfield workover treatment according to claim 1, wherein an arc-shaped accommodating notch (300) is cut at one end of the swing rod bracket (3) far away from the fixed frame, the accommodating notch (300) protrudes towards one end close to the fixed frame, a straight line where a chord of the accommodating notch (300) is located is a straight line P, and the straight line P is respectively parallel to the axis L and the axis O;

a strip-shaped mounting groove (30) is formed in one end, away from the fixed frame, of the swing rod support (3), the strip-shaped mounting groove (30) is located on one side of the accommodating gap (300), meanwhile, the length extending direction of the strip-shaped mounting groove (30) is the same as the extending direction of the straight line P, and the strip-shaped mounting groove (30) is extended to be communicated with the accommodating gap (300);

automatic limit structure (4) are connected in bar mounting groove (30), just the one end of automatic limit structure (4) extends to outside bar mounting groove (30), and can with holding breach (300) cooperation forms automatic clamping structure.

3. The pipe pole ferry device for oilfield workover treatment according to claim 2, wherein the automatic limiting structure (4) comprises: the device comprises a second hydraulic cylinder (42), a first U-shaped frame (43), a connecting rod (44), a guide shaft (45), a second U-shaped frame (46), a spring (47), an arc-shaped connecting piece (48), a first rotating shaft (491), a second rotating shaft (492), a third rotating shaft (493) and a limiting part (41);

the cylinder barrel of the second hydraulic cylinder (42) is fixed in the strip-shaped mounting groove (30) and is positioned at one end, far away from the accommodating notch (300), in the strip-shaped mounting groove (30), meanwhile, the second hydraulic cylinder (42) is electrically connected with the controller, and a piston rod of the second hydraulic cylinder (42) can reciprocate along the length direction of the strip-shaped mounting groove (30);

moreover, the first U-shaped frame (43), the guide shaft (45), the second U-shaped frame (46), the arc-shaped connecting piece (48) and the limiting part (41) are sequentially arranged from one end close to the second hydraulic cylinder (42) to one end far away from the second hydraulic cylinder (42) along the length direction of the strip-shaped mounting groove (30), the limiting part (41) is arc-shaped and extends out of the strip-shaped mounting groove (30), and meanwhile, the limiting part (41) and the accommodating notch (300) can be matched into a C-shaped structure;

meanwhile, the piston rod of the second hydraulic cylinder (42) is sequentially connected with the connecting rod (44), the first U-shaped frame (43), the guide shaft (45) and the second U-shaped frame (46), the spring (47) is sleeved on the guide shaft (45), the arc-shaped connecting piece (48) is connected with the second U-shaped frame (46) through the first rotating shaft (491) in a rotating mode, meanwhile, the first rotating shaft (491) is fixed on the second U-shaped frame (46) and is connected with the side wall of the strip-shaped mounting groove (30) in a sliding mode extending along the length direction of the strip-shaped mounting groove, and the limiting portion (41) is close to one end of the arc-shaped connecting piece (48) and is connected with the arc-shaped connecting piece (48) through the second rotating shaft (492) in a rotating mode and connected with the side wall of the strip-shaped mounting groove (30) in a rotating mode extending along the length direction of the strip-shaped mounting groove (30) through the third rotating shaft (493).

4. The pipe pole ferry device for oilfield workover treatment according to claim 3, wherein the swing link bracket (3) comprises: the swing frame comprises a first swing arm (31), a second swing arm (32) and a cross beam (33), wherein the first swing arm (31) and the second swing arm (32) are parallel and are arranged at intervals (5), the cross beam (33) is positioned between the first swing arm (31) and the second swing arm (32), meanwhile, two ends of the cross beam (33) are fixedly connected with the first swing arm (31) and the second swing arm (32) in a one-to-one correspondence manner, the first swing arm (31), the second swing arm (32) and the cross beam (33) are connected to form a U-shaped structure, one ends, far away from the cross beam (33), of the first swing arm (31) and the second swing arm (32) are connected to the fixed frame in a rotating manner around the axis O, and the accommodating notch (300) and the strip-shaped mounting groove (30) are arranged on the cross beam (33);

meanwhile, the number of the first hydraulic cylinders (2) is two, the two hydraulic cylinders are electrically connected with the controller, the positions of the first hydraulic cylinders (2) correspond to the positions of the first swing arms (31) and the second swing arms (32) one by one, one end, away from the piston rod of each first hydraulic cylinder (2), of each first hydraulic cylinder is rotatably connected to the fixing frame around the axis L, the piston rod of each first hydraulic cylinder (2) is rotatably connected with the corresponding first swing arm (31), the piston rod of the other first hydraulic cylinder (2) is rotatably connected with the corresponding second swing arm (32), and the rotating axis between the first swing arm (31) and the corresponding piston rod of the first hydraulic cylinder (2) and the rotating axis between the second swing arm (32) and the corresponding piston rod of the first hydraulic cylinder (2) are the axis J.

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