CN110714730A

CN110714730A - Buckle device

Info

Publication number: CN110714730A
Application number: CN201911187729.3A
Authority: CN
Inventors: 杨松筠; 朱桂林; 沈君芳; 杜丙国; 李洋; 孙宝京; 王贺; 于吉迪; 崔晓雨; 徐同乐
Original assignee: Shengli Oilfield Shengji Petroleum Equipment Co Ltd
Current assignee: Shengli Oilfield Shengji Petroleum Equipment Co Ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-01-21

Abstract

The invention provides a buckling device, which relates to the technical field of automatic workover equipment and comprises slips and a buckling main body; the pipe column butt joint device comprises a butt joint main body, slips, a butt joint channel and a slip, wherein the butt joint main body is connected with the slips, so that the butt joint main body can move integrally along with the position change of the slips, the butt joint channel is further provided with the butt joint channel through the butt joint main body, the butt joint channel corresponds to the coupling position of the slips, the pipe column butt joint of the slip coupling position is limited, the displacement between the butt joint main body and the slips in the butt joint process can be eliminated through the integrated design of the butt joint main body and the slips, the pipe column can be directly in better butt joint with the pipe column in the slips when in butt joint, and the technical problem that the precision is difficult to guarantee when mechanical hand pipes are in butt joint in the prior art is solved.

Description

Buckle device

Technical Field

The invention relates to the technical field of automatic workover equipment, in particular to a buckling device.

Background

In the automatic well workover operation field, need carry out the make-up connection to the tubular column in the well head, current make-up operation adopts the rig floor manipulator to replace artifical the pipe of holding up gradually, though the manipulator has the advantage to the repeatability action of holding up pipe and make-up, but, the operating condition of manipulator is that need guarantee well head central tubular column collar position relatively stable.

In the prior art, floating slips are generally adopted for fixing a pipe column in a wellhead in overhaul operation, but the position of the floating slips at the center of the wellhead can deviate and float by a certain amount along with the change of the suspension load of the derrick, the movement amount and the movement direction are uncertain, so that the position of a coupling of the pipe column at the upper end of the slips can change along with the change of the suspension load of the derrick, the existing manipulator technology does not have the function of dynamic identification, and therefore the precision is difficult to ensure when mechanical hand pipes are buckled, and the characteristic of the floating slips is not beneficial to the buckling of the mechanical hand pipes.

Disclosure of Invention

The invention aims to provide a buckling device to solve the technical problem that the precision is difficult to guarantee when mechanical hand pipes are buckled in the prior art.

The invention provides a buckling device, which comprises: slips and a make-up body;

the make-up main part with the slips is connected, so that the make-up main part can be along with the integrative motion of slips, the make-up main part is provided with the make-up passageway, the make-up passageway with the collar position of slips corresponds the setting, is used for right the tubular column butt joint of slips collar position department is injectd.

In a preferred embodiment of the present invention, the buckling main body comprises a buckling mechanism, an adjusting device and a base;

one end of the base is connected with the slips, the other end of the base is connected with the buckling mechanism through the adjusting device, the adjusting device is used for adjusting the position of the buckling mechanism relative to the slips, and the buckling channel is arranged on the buckling mechanism.

In a preferred embodiment of the present invention, the adjusting device comprises a lifting mechanism and a telescopic mechanism;

two ends of the lifting mechanism are respectively connected with the base and the telescopic mechanism, and the lifting mechanism is used for driving the telescopic mechanism to move up and down in a reciprocating manner;

one end of the telescopic mechanism is connected with the buckling mechanism, and the telescopic mechanism is used for driving the buckling mechanism to move in a reciprocating mode along the horizontal direction.

In a preferred embodiment of the present invention, the lifting mechanism includes a lifting column and a lifting cylinder;

the lifting oil cylinder is located in the lifting stand column, the lifting stand column comprises a plurality of stand column sleeves which are sequentially sleeved, the lifting oil cylinder is connected with the top of the stand column sleeves and used for driving the stand column sleeves to sequentially rise or fall.

In a preferred embodiment of the present invention, the telescopic mechanism includes a first guide rail, a telescopic arm support and a telescopic oil cylinder;

the first guide rail is connected with the lifting upright column, the first guide rail is perpendicular to the lifting upright column, the telescopic arm support is arranged on the first guide rail and is in sliding connection with the first guide rail, two ends of the telescopic arm support are respectively connected with the buckling mechanism and the telescopic oil cylinder, and the telescopic oil cylinder is used for driving the buckling mechanism to reciprocate along the horizontal direction through the telescopic arm support.

In the preferred embodiment of the invention, the device further comprises a fastening mechanism;

the fastening mechanism is arranged at one end, far away from the buckling mechanism, of the telescopic boom, one end of the fastening mechanism is connected with the telescopic boom, the other end of the fastening mechanism is abutted to one side, far away from the telescopic boom, of the first guide rail, the fastening mechanism can move along the first guide rail, and the fastening mechanism is used for fixing the telescopic boom in the first guide rail.

In a preferred embodiment of the invention, the fastening mechanism comprises an adjusting screw, a guide seat and a roller;

the guide seat cover is arranged outside the telescopic arm support, two sides of the guide seat extend to one side, away from the telescopic arm support, of the first guide rail, the roller is connected with the guide seat through the adjusting screw, the adjusting screw is used for adjusting the distance between the roller and the first guide rail, so that the roller is abutted to one side, away from the telescopic arm support, of the first guide rail, and the roller can roll along the first guide rail.

In a preferred embodiment of the invention, the buckling mechanism comprises a driving mechanism, a guide cover, a buckling adjusting mechanism, a second guide rail and a gear;

the second guide rail with telescopic machanism connects, the guide housing with detain adjustment mechanism can dismantle the connection, detain adjustment mechanism with second guide rail sliding connection, actuating mechanism passes through the gear with detain adjustment mechanism transmission is connected, actuating mechanism is used for driving detain adjustment mechanism along the second guide rail slides, in order to adjust the degree of opening and shutting of detaining the passageway in the guide housing.

In a preferred embodiment of the present invention, the guide housing includes a first guide body, a second guide body, a first link frame and a second link frame;

the first guide body and the second guide body can be buckled to form a buckling channel, the buckling channel is provided with a step platform, and the step platform is used for being clamped with a pipe column on the slip;

the first guide body is connected with the first connecting frame, the second guide body is connected with the second connecting frame, the first connecting frame and the second connecting frame are respectively and independently connected with the opposite buckle adjusting mechanism, and the opposite buckle adjusting mechanism is used for adjusting the opposite or separated directions of the first guide body and the second guide body to move.

In a preferred embodiment of the present invention, the guide housing further comprises a first pre-tightening spring, a second pre-tightening spring, a first guide rod and a second guide rod;

the first guide rod is inserted in the first connecting frame along the vertical direction, the first guide body is connected with the first guide rod, the first pre-tightening spring is sleeved outside the first guide rod, two ends of the first pre-tightening spring are respectively abutted against the first guide body, and the first pre-tightening spring is used for buffering the impact force of a pipe column on the first guide body;

the second guide rod is inserted in the second connecting frame along the vertical direction, the second guide body is connected with the second guide rod, the second pre-tightening spring is sleeved outside the second guide rod, two ends of the second pre-tightening spring are respectively abutted against the second guide body, and the second pre-tightening spring is used for buffering the impact force of the pipe column on the second guide body.

In a preferred embodiment of the present invention, the buckling adjustment mechanism comprises a first rack, a second rack, a first slider and a second slider;

the first slider is connected with the first connecting frame, the second slider is connected with the second connecting frame, the first slider and the second slider are respectively connected with the second guide rail in a sliding mode, the first rack is connected with the first slider, the second rack is connected with the second slider, the gear is respectively connected with the first rack and the second rack in a meshing mode, the gear is used for driving the first rack and the second rack to move, and the first rack and the second rack are respectively located on two sides of the gear, so that the moving directions of the first rack and the second rack are opposite.

In a preferred embodiment of the present invention, the buckling adjustment mechanism further comprises a first adjustment bolt and a second adjustment bolt;

the first connecting frame is connected with the first sliding block through the first adjusting bolt, and the first adjusting bolt is used for adjusting the movement of the first connecting frame along the extension direction of the second guide rail;

the second connecting frame is connected with the second sliding block through the second adjusting bolt, and the second adjusting bolt is used for adjusting the movement of the second connecting frame along the extending direction of the second guide rail.

The invention provides a buckling device, which comprises: slips and a make-up body; the pipe column butt joint device comprises a butt joint main body, slips, a butt joint channel and a slip, wherein the butt joint main body is connected with the slips, so that the butt joint main body can move integrally along with the position change of the slips, the butt joint channel is further provided with the butt joint channel through the butt joint main body, the butt joint channel corresponds to the coupling position of the slips, the pipe column butt joint of the slip coupling position is limited, the displacement between the butt joint main body and the slips in the butt joint process can be eliminated through the integrated design of the butt joint main body and the slips, the pipe column can be directly in better butt joint with the pipe column in the slips when in butt joint, and the technical problem that the precision is difficult to guarantee when mechanical hand pipes are in butt joint in the prior art is solved.

Drawings

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

Fig. 1 is a schematic overall structure diagram of a fastening device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an adjusting device of the buckling device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a fastening mechanism of the buckling device provided by the embodiment of the invention;

fig. 4 is a schematic structural diagram of a lifting mechanism of the snapping device according to an embodiment of the invention;

fig. 5 is a schematic structural diagram of a fastening mechanism of a fastening device according to an embodiment of the present invention;

fig. 6 is a top view of a snapping mechanism of the snapping device according to an embodiment of the present invention;

fig. 7 is a side view of a snapping mechanism of a snapping device, according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a buckle adjusting mechanism of the buckle device according to an embodiment of the present invention.

Icon: 100-slips; 200-buckling the main body; 300-a buckling mechanism; 301-a drive mechanism; 302-a guide housing; 312-a first guide; 322-a second guide body; 332-a first connecting frame; 342-a second connecting frame; 352-first pre-tensioned spring; 362-a first guide bar; 303-a buckle adjusting mechanism; 313-a first rack; 323-second rack; 333-a first slider; 343-a second slider; 353-a first adjusting bolt; 363-a second adjusting bolt; 304-a second guide rail; 305-a gear; 400-a regulating device; 401-a lifting mechanism; 411-lifting upright column; 421-a lifting oil cylinder; 402-a telescoping mechanism; 412-a first guide rail; 422-telescopic arm support; 432-telescopic oil cylinder; 500-a base; 600-a fastening mechanism; 601-adjusting screw rod; 602-a guide seat; 603-roller.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

This embodiment is in order to solve the technical problem that the manipulator make-up precision is low, specifically, at the in-process of tripping the tubular column, the slips can change and take place the offset along with the load that takes place when mentioning or transferring the tubular column at every turn, lead to the manipulator to hold up the pipe at every turn and the tubular column disalignment that the slips was held between to the well head center time, certain positional deviation promptly has, because the manipulator can not discern the random offset that the slips took place at every turn, and then cause the technical problem that is difficult to guarantee the precision when the hand pipe of machinery makes-up.

As shown in fig. 1 to 8, the present embodiment provides a buckle device, including: slips 100 and make-up body 200; the make-up main body 200 is connected with the slips 100 to make the make-up main body 200 can be along with slips 100 integrative motion, the make-up main body 200 is provided with the make-up passageway, and the make-up passageway corresponds the setting with the coupling position of slips 100 for the tubular column butt joint of slips 100 coupling position department is injectd.

It should be noted that the slips 100, also known as wellhead suspension drilling tool, is a tool for gripping and suspending a drill string and a casing string when tripping in a drilling process; after the well head is clamped with the pipe string through the slips 100, the pipe string and the pipe string in the slips 100 need to be continuously in butt joint connection, in the connection process, a certain amount of deviation and floating can occur along with the change of the derrick suspension load due to the position of the slips 100, in order to ensure the accuracy of the pipe string at the coupling position of the slips 100, the make-up main body 200 provided by the embodiment is integrally connected with the slips 100, the make-up main body 200 is provided with a make-up channel for fixing the pipe string, and further when the external pipe string needs to be in butt joint with the pipe string in the slips 100, the make-up channel and the coupling position of the slips 100 are correspondingly arranged, so that the pipe string passing through the make-up channel can be exactly in butt joint with the pipe string in the slips 100, and the accuracy of pipe string coupling butt joint.

The connection mode of the make-up body 200 and the slip 100 may be various, for example: through bolt fixed connection, perhaps make up main part 200 and the outside of slips 100 through the mode of buckle carries out modes such as joint, preferably, make up main part 200 and slips 100 and connect through the mode of dismantling the connection, can so that after accomplishing the workover, can dismantle respectively making up main part 200 and slips 100, other connected mode here is no longer repeated. To be further described, the buckling body 200 is used as an integral device after being connected with the slip 100, and can be completely treated as an integral device during hoisting and transportation.

Optionally, the make-up main body 200 is provided with make-up passages, which may be provided with a plurality of specifications, and the selection of inner diameters through different make-up passages may be selected for different pipe strings.

This embodiment provides a make-up device, includes: slips 100 and make-up body 200; the make-up main body 200 is connected with the slips 100, so that the make-up main body 200 can move integrally with the slips 100, therefore, when the slips 100 shifts and floats along with the change of the derrick suspension, the make-up main body 200 can move integrally with the position change of the slips 100, further, a make-up channel is arranged through the make-up main body 200, the make-up channel corresponds to the coupling position of the slips 100, and is used for limiting the pipe column butt joint at the coupling position of the slips 100, and the displacement between the make-up process and the make-up main body 200 slips 100 can be eliminated through the integrated design of the make-up main body 200 and the slips 100, so that the pipe column can be directly in better butt joint with the pipe column in the slips 100 when in butt joint, and the technical problem that the precision is difficult to ensure when a mechanical hand pipe is made up in the prior art is solved.

On the basis of the above embodiments, in the preferred embodiment of the present invention, the opposite buckling main body 200 comprises an opposite buckling mechanism 300, an adjusting device 400 and a base 500; one end of the base 500 is connected with the slip 100, the other end of the base 500 is connected with the make-up mechanism 300 through the adjusting device 400, the adjusting device 400 is used for adjusting the position of the make-up mechanism 300 relative to the slip 100, and the make-up channel is arranged on the make-up mechanism 300.

Optionally, the base 500 is fixedly connected with the slip 100 by bolts, and the base 500 is vertically arranged with the slip 100, so that after the base 500 is fixed with the slip 100, the base 500 is connected with the make-up mechanism 300 by the adjusting device 400, the adjusting device 400 can realize adjustment in the vertical direction and movement in the front-back direction, and then the adjusting device 400 can make the make-up channel on the make-up mechanism 300 and the central collar position of the slip 100 be correspondingly arranged.

Base 500 can adopt rectangle base 500, wherein base 500's one end can be connected with slips 100, one side that base 500's the other end is close to ground is provided with the backing plate, thereby can guarantee that base 500's both ends all can be in on the same horizontal plane, adjusting device 400 is connected with one side that base 500 deviates from ground, adjusting device 400 can drive make-up mechanism 300 and adjust the removal along vertical direction, furthermore, because base 500 has length, thereby adjusting device 400 is after the regulation of accomplishing vertical direction, can also drive make-up mechanism 300 and remove the regulation along base 500's length direction, can guarantee at last that make-up mechanism 300's make-up passageway just in time corresponds with slips 100's coupling position.

In the preferred embodiment of the present invention, the adjusting device 400 includes a lifting mechanism 401 and a telescoping mechanism 402; two ends of the lifting mechanism 401 are respectively connected with the base 500 and the telescopic mechanism 402, and the lifting mechanism 401 is used for driving the telescopic mechanism 402 to reciprocate up and down; one end of the telescoping mechanism 402 is connected to the buckling mechanism 300, and the telescoping mechanism 402 is used for driving the buckling mechanism 300 to reciprocate along the horizontal direction.

Optionally, the lifting mechanism 401 and the telescoping mechanism 402 are vertically arranged, and a reinforcing plate is arranged outside the vertical ends of the lifting mechanism 401 and the telescoping mechanism 402, and the reinforcing plate is connected with the lifting mechanism and the telescoping mechanism 402 respectively, so that the strength of the lifting mechanism 401 and the telescoping mechanism 402 can be ensured.

As shown in fig. 4, in the preferred embodiment of the present invention, the lifting mechanism 401 includes a lifting column 411 and a lifting cylinder 421; the lift cylinder 421 is located the lift column 411, and the lift column 411 includes a plurality of stand sleeve pipes that establish of overlapping in proper order, and the lift cylinder 421 is connected with stand sheathed tube top for drive a plurality of stand sleeve pipes rise or reduce in proper order.

Alternatively, the connection manner of the lifting column 411 and the base 500 may be various, for example: preferably, the lifting column 411 is connected to the base 500 by bolts, pins, or clips.

In this embodiment, the driving element of the lifting mechanism 401 is a lifting cylinder 421, and optionally, a square sleeve is used as the upright sleeve, the lifting end of the lifting cylinder 421 is connected to the innermost sleeve of the upright sleeve, when the lifting cylinder 421 is opened, the lifting end of the lifting cylinder 421 is sequentially lifted from the inner sleeve of the upright sleeve until a plurality of sequentially sleeved upright sleeves are respectively extended to increase the height of the lifting upright 411; alternatively, the connection mode of the lift cylinder 421 and the upright column sleeve may adopt a pin connection or the like.

It should be noted that the lifting mechanism 401 provided in this embodiment is not limited to perform a lifting reciprocating motion through the lifting cylinder 421, and for example, the lifting cylinder or the stepping motor can drive the lifting motion, which all belong to the protection scope of this embodiment and are not described herein again.

In the preferred embodiment of the present invention, the telescopic mechanism 402 includes a first guide rail 412, a telescopic arm 422 and a telescopic cylinder 432; the first guide rail 412 is connected with the lifting upright column 411, the first guide rail 412 is perpendicular to the lifting upright column 411, the telescopic arm support 422 is arranged on the first guide rail 412 and is in sliding connection with the first guide rail 412, two ends of the telescopic arm support 422 are respectively connected with the buckling mechanism 300 and the telescopic oil cylinder 432, and the telescopic oil cylinder 432 is used for driving the buckling mechanism 300 to reciprocate along the horizontal direction through the telescopic arm support 422.

Alternatively, since the telescopic mechanism 402 moves in the horizontal direction, the telescopic mechanism 402 is connected to the lifting column 411 through a side surface of the first guide rail 412, and at the same time, the lifting column 411 moves up and down while driving the first guide rail 412 to perform a reciprocating motion.

The telescopic boom 422 is slidably connected to the first guide rail 412, optionally, the telescopic boom 422 is connected to the first guide rail 412 in the direction of a sliding rail and a sliding chute, or the telescopic boom 422 is connected to the first guide rail 412 in a rolling manner by a gear 305 and a rack, and the like, specifically, the telescopic cylinder 432 is fixedly connected to one end of the first guide rail 412 far away from the buckling mechanism 300, and the telescopic end of the telescopic cylinder 432 is connected to the telescopic boom 422, so that the telescopic boom 422 can slide along the first guide rail 412.

Optionally, in order to reduce the extension length of the first guide rail 412, the telescopic boom 422 may be provided with an internal accommodating area, and the telescopic cylinder 432 is located in the internal accommodating area of the telescopic boom 422, so that the length of the first guide rail 412 only needs to meet the length of the telescopic boom 422.

As shown in fig. 3, in the preferred embodiment of the present invention, a fastening mechanism 600 is further included; the fastening mechanism 600 is disposed at one end of the telescopic boom 422 far from the opposite buckling mechanism 300, one end of the fastening mechanism 600 is connected to the telescopic boom 422, the other end of the fastening mechanism 600 is abutted to one side of the first guide rail 412 far from the telescopic boom 422, the fastening mechanism 600 can move along the first guide rail 412, and the fastening mechanism 600 is used for fixing the telescopic boom 422 on the first guide rail 412.

When the telescopic boom 422 slides outwards along the first guide rail 412, the buckling mechanism 300 can make the telescopic boom 422 have a tendency of overturning downwards due to gravity, in order to ensure the overall stability of the telescopic boom 422, a fastening mechanism 600 is arranged at one end of the telescopic boom 422 far away from the buckling mechanism 300, and the telescopic boom 422 can be fastened by the fastening mechanism 600 at one end of the telescopic boom 422 far away from the buckling mechanism 300, so that the telescopic boom 422 is tightly attached to the first guide rail 412, and the stability of the movement of the telescopic boom 422 is ensured.

Further, the fastening mechanism 600 can move along with the movement of the telescopic boom 422, so that the fastening mechanism 600 is fixedly connected with the telescopic boom 422, and the fastening mechanism 600 can abut against one side of the first guide rail 412 away from the telescopic boom 422, when the telescopic boom 422 has a force tilting vertically upwards, the abutting force of the fastening mechanism 600 and the first guide rail 412 can counteract the upward tilting force of the telescopic boom 422, so that the telescopic boom 422 can be attached to the first guide rail 412; the fastening mechanism 600 is slidably connected to the first guide rail 412.

In the preferred embodiment of the present invention, the fastening mechanism 600 includes an adjusting screw 601, a guide seat 602, and a roller 603; the guide base 602 covers the outside of the telescopic arm support 422, two sides of the guide base 602 extend to one side of the first guide rail 412 away from the telescopic arm support 422, the roller 603 is connected with the guide base 602 through the adjusting screw 601, the adjusting screw 601 is used for adjusting the distance between the roller 603 and the first guide rail 412, so that the roller 603 is abutted to one side of the first guide rail 412 away from the telescopic arm support 422, and the roller 603 can roll along the first guide rail 412.

Optionally, the guide holder 602 may be a U-shaped holder, the guide holder 602 is sleeved outside the telescopic arm support 422, and the guide holder 602 and the telescopic arm support 422 are fixedly connected, at this time, both sides of the guide holder 602 may extend to a side of the first guide rail 412 away from the telescopic arm support 422, and both sides of the guide holder 602 are respectively provided with the roller 603, the roller 603 may abut against the first guide rail 412, and the roller 603 may roll relative to the first guide rail 412, so that the guide holder 602 and the roller 603 may apply a force to the telescopic arm support 422, and the forward tilting phenomenon of the buckle mechanism 300 of the telescopic arm support 422 may be prevented.

Because different distances between the roller 603 and the first guide rail 412 are required for different construction situations, the guide holder 602 is provided with the adjusting screw 601, the first guide rail 412 is provided with the horizontal plate, the horizontal plate is fixedly connected with the first guide rail 412, the adjusting screw 601 is located on the side of the first guide rail 412 with the telescopic arm support 422, the adjusting screw 601 can rotate in the vertical direction relative to the guide holder 602, and the adjusting screw 601 can abut against the horizontal plate, when the adjusting screw 601 rotates upwards or downwards, the adjusting screw 601 cannot perform self-lifting movement due to the limiting effect of the horizontal plate, so that the adjusting screw 601 can enable the guide holder 602 to perform micro-lifting movement of ascending or descending, at this time, the guide holder 602 can drive the roller 603 to move towards or away from the first guide rail 412, and therefore, the adjusting screw 601 can adjust the distance between the roller 603 and the first guide rail 412, the guide base 602 can meet the requirements of the telescopic arm support 422 under different working conditions, and the design is more reasonable.

As shown in fig. 5 to 8, in the preferred embodiment of the present invention, the opposite buckling mechanism 300 includes a driving mechanism 301, a guide housing 302, an opposite buckling adjusting mechanism 303, a second guide rail 304 and a gear 305; the second guide rail 304 is connected with the telescopic mechanism 402, the guide cover 302 is detachably connected with the buckling adjusting mechanism 303, the buckling adjusting mechanism 303 is slidably connected with the second guide rail 304, the driving mechanism 301 is in transmission connection with the buckling adjusting mechanism 303 through a gear 305, and the driving mechanism 301 is used for driving the buckling adjusting mechanism 303 to slide along the second guide rail 304 so as to adjust the opening degree of a buckling channel in the guide cover 302.

Wherein, because the tubular column has different specifications, in order to satisfy the tubular column demand of multiple specification, guide housing 302 also is provided with multiple specification, consequently in order to guarantee the change of the guide housing 302 of multiple specification, guide housing 302 and make up adjustment mechanism 303 for dismantling and be connected, optionally, guide housing 302 can be connected with make up adjustment mechanism 303 through bolted connection's mode.

Preferably, the driving mechanism 301 can be driven by a motor, the motor can drive the gear 305 to rotate, and the gear 305 can drive the make-up adjusting mechanism 303 to slide relative to the second guide rail 304, so that the make-up channel in the guide cover 302 can adjust the opening and closing degree along with the movement of the make-up adjusting mechanism 303, thereby being better suitable for the butt joint of a pipe column.

In the preferred embodiment of the present invention, the guide housing 302 includes a first guide body 312, a second guide body 322, a first connecting bracket 332, and a second connecting bracket 342; the first guide body 312 and the second guide body 322 can be buckled to form a buckling channel, and the buckling channel is provided with a step platform which is used for clamping a pipe column on the slip 100; the first guide body 312 is connected with the first connecting frame 332, the second guide body 322 is connected with the second connecting frame 342, the first connecting frame 332 and the second connecting frame 342 are respectively and independently connected with the opposite buckle adjusting mechanism 303, and the opposite buckle adjusting mechanism 303 is used for adjusting the movement of the first guide body 312 and the second guide body 322 in the opposite or apart direction.

The upper ends of the first guide body 312 and the second guide body 322 adopt a cone structure, narrow ends are arranged at one ends of the first guide body 312 and the second guide body 322 close to the slip 100, and the first guide body 312 and the second guide body 322 adopt a funnel shape, so that a pipe column positioned in the air can better enter a buckling channel formed by the first guide body 312 and the second guide body 322; furthermore, because the conical structure at the upper end of the buckling channel plays a role in guiding, the guiding function can be provided under the condition that the center of the suspended pipe column and the center of the wellhead are not deviated greatly, and the guide pipe column slides downwards into the buckling channel.

Because the pipe diameter that is located the tubular column of slips 100 is greater than the pipe diameter of the tubular column that will be buckled aloft, consequently when first guide body 312 and second guide body 322 formed the butt joint of the tubular column in butt joint passageway and slips 100, the tubular column can stretch into to the butt joint passageway this moment, through be provided with the stair platform in the butt joint passageway, the stair platform can with the tubular column coupling joint in slips 100, and then make aloft tubular column fall into and carry out the joint in the tubular column in slips 100.

Optionally, the first connecting frame 332 and the second connecting frame 342 are rectangular frames, the first connecting frame 332 and the first guiding body 312 are fixedly connected, the second connecting frame 342 and the second guiding body 322 are fixedly connected, and the first connecting frame 332 and the second connecting frame 342 are respectively connected with the opposite buckle adjusting mechanism 303.

In the preferred embodiment of the present invention, the guide housing 302 further comprises a first pre-tightening spring 352, a second pre-tightening spring, a first guide rod 362 and a second guide rod; the first guide rod 362 is inserted into the first connecting frame 332 along the vertical direction, the first guide body 312 is connected with the first guide rod 362, the first pre-tightening spring 352 is sleeved outside the first guide rod 362, two ends of the first pre-tightening spring 352 are respectively abutted against the first guide body 312, and the first pre-tightening spring 352 is used for buffering the impact force of the pipe column on the first guide body 312; the second guide rod is inserted in the second connecting frame 342 along the vertical direction, the second guide body 322 is connected with the second guide rod, the second pre-tightening spring is sleeved outside the second guide rod, two ends of the second pre-tightening spring are respectively abutted against the second guide body 322, and the second pre-tightening spring is used for buffering the impact force of the pipe column on the second guide body 322.

Because the inner diameter of the opposite-buckling channel is slightly larger than the outer diameter of the opposite-buckling channel, when the pipe string slides into the opposite-buckling channel, the pipe string impacts the first guide body 312 and the second guide body 322 to different degrees due to operation problems, in order to ensure the service life of the first guide body 312 and the second guide body 322, a first guide rod 362 and a second guide rod are arranged at the connection part of the first connecting frame 332 and the second connecting frame 342 and the first guide body 312 and the second guide body 322, the first guide body 312 is connected with the first connecting frame 332 through the first guide rod 362, the second guide body 322 is connected with the second connecting frame 342 through the second guide rod, a first pre-tightening spring 352 is sleeved outside the first guide rod 362, two ends of the first pre-tightening spring 352 are respectively abutted against the first connecting frame 332, a second pre-tightening spring is sleeved outside the second guide rod, two ends of the second pre-tightening spring are respectively abutted against the second pre-tightening connecting frame 342, therefore, the first pre-tightening spring 352 and the second pre-tightening spring can respectively provide pre-tightening force for the first connecting frame 332 and the second connecting frame 342, and impact force of the pipe column on the first guide body 312 and the second guide body 322 can be buffered when the pipe column enters the buckling channel formed by the first guide body 312 and the second guide body 322.

As shown in fig. 8, in the preferred embodiment of the present invention, the buckling adjustment mechanism 303 includes a first rack 313, a second rack 323, a first slider 333, and a second slider 343; the first sliding block 333 is connected with the first connecting frame 332, the second sliding block 343 is connected with the second connecting frame 342, the first sliding block 333 and the second sliding block 343 are respectively connected with the second guide rail 304 in a sliding manner, the first rack 313 is connected with the first sliding block 333, the second rack 323 is connected with the second sliding block 343, the gear 305 is respectively connected with the first rack 313 and the second rack 323 in a meshing manner, the gear 305 is used for driving the first rack 313 and the second rack 323 to move, and the first rack 313 and the second rack 323 are respectively located on two sides of the gear 305, so that the moving directions of the first rack 313 and the second rack 323 are opposite.

Since the buckling adjusting mechanism 303 can adjust the opening degree of the buckling channel between the first guide body 312 and the second guide body 322, the first guide body 312 is connected with the first slider 333 through the first connecting frame 332, the second guide body 322 is connected with the second slider 343 through the second connecting frame 342, the first slider 333 and the second slider 343 are respectively connected with the second guide rail 304 in a sliding manner, optionally, the second guide rail 304 adopts a T-shaped guide rail, the first slider 333 and the second slider 343 are respectively provided with a first T-shaped groove and a second T-shaped groove, and the first slider 333 and the second slider 343 are connected with each other in a sliding manner through the T-shaped groove and the T-shaped guide rail, so that the first guide body 312 and the second guide body 322 can slide along the second guide rail 304.

Further, as can be known from the above description, the driving element of the opposite buckling mechanism 300 is a motor, optionally, the motor is in transmission connection with the gear 305, and the first rack 313 and the second rack 323 are respectively connected to two corresponding sides of the gear 305, when the motor drives the gear 305 to rotate, the first rack 313 and the second rack 323 are located at two sides of the gear 305, so that the moving directions of the first rack 313 and the second rack 323 are opposite or opposite, and since the first slider 333 is connected with the first rack 313 and the second slider 343 is connected with the second rack 323, the rotation of the gear 305 can drive the first guide 312 and the second guide 322 to move in opposite or opposite moving directions, and when it is required to buckle a pipe string in the slip 100, the first guide 312 and the second guide 322 are moved in opposite directions by turning on the motor, make the internal diameter of make-up passageway the maximum value, when aerial tubular column was located the make-up passageway, the counter rotation of the aerial motor of through-hole, first guide body 312 and second guide body 322 were relative direction and move this moment, when condensing gradually to the centre gripping tubular column, closed the motor, utilize adjusting device 400 to drive the tubular column and aim at the tubular column in slips 100, accomplish the make-up connection.

In the preferred embodiment of the present invention, the buckling-adjusting mechanism 303 further comprises a first adjusting bolt 353 and a second adjusting bolt 363; the first link frame 332 is connected to the first slider 333 by a first adjustment bolt 353, and the first adjustment bolt 353 is used for adjusting the movement of the first link frame 332 along the extending direction of the second guide rail 304; the second connecting frame 342 is connected to the second slider 343 by a second adjusting bolt 363, and the second adjusting bolt 363 is used for adjusting the movement of the second connecting frame 342 along the extending direction of the second guide rail 304.

Because the rotation of the motor can adjust the adjusting range of the first guide body 312 and the second guide body 322 more widely, and the rotation of the motor can only realize the opening and closing of the first guide body 312 and the second guide body 322, but when the center of the make-up channel deviates from the center of the wellhead, the first adjusting bolt 353 and the second adjusting bolt 363 are arranged on the first connecting frame 332, the first adjusting bolt 353 and the second adjusting bolt 363 are fine-tuning structures, and when the motor stops, the fine tuning of the first guide body 312 and the second guide body 322 in a small range can be performed, so that the left and right displacement of the make-up channel can be better adjusted, the make-up channel and the center of the wellhead can be in a straight line, further, the first adjusting bolt 353 and the second adjusting bolt 363 can also finely tune the opening and closing degree of the make-up channel, the design is more perfect.

In this embodiment, the action sequence may be: the driving mechanism 301 drives the guide cover 302 to open, the telescopic oil cylinder 432 drives the telescopic arm support 422 to move towards the center of a wellhead, after the center of the wellhead is reached, the driving mechanism 301 drives the guide cover 302 to close, the lifting oil cylinder 421 drives the lifting upright column 411 to descend, the pipe column is put down to be buckled and connected with the pipe column in the slip 100, after the buckling is finished, the driving mechanism 301 drives the guide cover 302 to open, the telescopic oil cylinder 432 drives the telescopic arm support 422 to retreat and reset, the lifting oil cylinder 421 drives the lifting upright column 411 to ascend, and therefore an action process is completed, and accordingly circulation is achieved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A make-up device, comprising: slips and a make-up body;

2. The opposite buckling device as claimed in claim 1, wherein the opposite buckling main body comprises an opposite buckling mechanism, an adjusting device and a base;

3. The opposite buckling device according to claim 2, wherein the adjusting device comprises a lifting mechanism and a telescopic mechanism;

4. The opposite buckling device according to claim 3, wherein the lifting mechanism comprises a lifting upright and a lifting cylinder;

5. The opposite buckling device according to claim 4, wherein the telescopic mechanism comprises a first guide rail, a telescopic arm frame and a telescopic oil cylinder;

6. The buckle device of claim 5, further comprising a fastening mechanism;

7. The opposite buckling device according to claim 6, wherein the fastening mechanism comprises an adjusting screw, a guide seat and a roller;

8. The opposite buckling device according to any one of claims 3 to 7, wherein the opposite buckling mechanism comprises a driving mechanism, a guide cover, an opposite buckling adjusting mechanism, a second guide rail and a gear;

9. The opposite buckle device of claim 8, wherein the guide housing comprises a first guide body, a second guide body, a first connecting frame and a second connecting frame;

10. The opposite buckle device of claim 9, wherein the guide housing further comprises a first pre-tightening spring, a second pre-tightening spring, a first guide rod and a second guide rod;

11. The opposite buckling apparatus according to claim 9, wherein the opposite buckling adjustment mechanism comprises a first rack, a second rack, a first slider, and a second slider;

12. The make-up apparatus of claim 11, wherein the make-up adjustment mechanism further comprises a first adjustment bolt and a second adjustment bolt;