CN217582055U

CN217582055U - Novel sucker rod slips

Info

Publication number: CN217582055U
Application number: CN202221440966.3U
Authority: CN
Inventors: 王峰; 吕文杰; 潘永江; 朱萌; 管永祥
Original assignee: Jiangsu Rutong Petro Machinery Co ltd
Current assignee: Jiangsu Rutong Petro Machinery Co ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-10-14
Anticipated expiration: 2032-06-10

Abstract

The utility model discloses a novel sucker rod slips, including the slips body, with slips body matched with driving cylinder, the driving cylinder links to each other with the outer wall side of the slips body, the detachable sucker rod packing ring that is connected with in top of the slips body, the bottom of the slips body rotatably inlays and is equipped with reverse drive block group spare, the both sides of reverse drive block group spare are equallyd divide and do not are connected with the guiding axle, two the common cover of the horizontal parallel arrangement of guiding axle and its one end of keeping away from reverse drive block group spare is equipped with the sucker rod stopper with slips body both-way complex. The utility model discloses greatly promoted driven stationarity and accurate nature between driving cylinder, the slip body and the sucker rod stopper three, improved transmission efficiency, finally promoted holistic operation security and operating efficiency by a wide margin, be applicable to the sucker rod in different rod footpaths simultaneously.

Description

Novel sucker rod slips

Technical Field

The utility model relates to an oil bores workover equipment technical field, specifically says, relates to a novel sucker rod slips.

Background

Sucker rods are an important component of tools used for extracting oil. In oil well drilling and repairing operations, the operation of pulling down or pulling out a sucker rod is inevitably involved, and in the operation process, the sucker rod needs to be operated through a sucker rod slip so as to clamp or loosen the sucker rod. The traditional sucker rod slips often need manual operation, so that the labor intensity is high, and the operation efficiency is low.

At present, there is an automatic sucker rod slip, such as chinese patent, publication No. CN106761485a, which discloses a sucker rod slip and a sucker rod tripping device, and it is proposed that "the first supporting body is slidably disposed on the base through the rail and is connected to the first driving device through a second transmission mechanism, the second supporting body is slidably disposed on the rail, the second supporting body is connected to the first driving device through a first transmission mechanism, the controller is connected to the first driving device, the first driving device is a cylinder or a hydraulic cylinder, the first transmission mechanism includes a first transmission rod and a first lever shaft, and the second transmission mechanism includes a second transmission rod, a third transmission rod and a second lever shaft".

Although the first bearing body, the second bearing body, the first transmission mechanism, the second transmission mechanism, the first driving device, the track and the controller are arranged in a matching manner, the second bearing body and the first bearing body are closed and opened to a certain extent, and manual operation is avoided, the transmission between the first bearing body, the second bearing body and the first driving device in the prior art needs to be respectively carried out through the first transmission mechanism and the second transmission mechanism, the first transmission mechanism comprises a first transmission rod and a first lever shaft, the second transmission mechanism comprises a second transmission rod, a third transmission rod and a second lever shaft, and a plurality of transmission rods and lever shafts are used for transmission, so that multidirectional conversion transmission is involved, the whole transmission process is complex and complicated, and the transmission efficiency, the stability and the accuracy are general, so that the whole operation safety and the operation efficiency are general, and meanwhile, the prior art still has the technical problem that the prior art cannot be suitable for sucker rods with different rod diameters.

For this reason, a new technical solution is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel sucker rod slips to solve the automatic sucker rod slips in the present phase that above-mentioned background art provided, it can't be applicable to the sucker rod of different rod footpaths, and its drive arrangement's transmission process is complicated loaded down with trivial details, and driven efficiency, stationarity and accurate nature are general, and final operation security and operating efficiency are also general technical problem.

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

a novel sucker rod slip comprises a slip seat, a slip body and a driving cylinder matched with the slip body, wherein the driving cylinder is connected with the outer wall side of the slip body, the top of the slip body is detachably connected with a sucker rod gasket, the sucker rod gasket and the slip body are horizontally arranged and respectively provided with an arc opening I and an arc opening II matched with a sucker rod, the bottom of the slip body is rotatably embedded with a reverse transmission block component, two sides of the reverse transmission block component are respectively connected with a guide shaft, the two guide shafts are horizontally arranged in parallel, one ends of the two guide shafts, far away from the reverse transmission block component, are sleeved with a sucker rod limiting block in bidirectional fit with the slip body together, the sucker rod limiting block is provided with an arc opening III matched with the sucker rod, and the arc opening II and the arc opening III are in bidirectional fit;

furthermore, the reverse transmission block assembly comprises an upper reverse transmission block and a lower reverse transmission block which are horizontally arranged, the upper reverse transmission block comprises a main body part I and a clamp-type ear plate part I formed by integrally extending the main body part I, the lower reverse transmission block comprises a main body part II and a clamp-type ear plate part II formed by integrally extending the main body part II, the main body part I and the main body part II are sequentially pinned on a horizontally arranged fixed cover plate from top to bottom, the clamp-type ear plate part I and the clamp-type ear plate part II are respectively pinned with two guide shafts, the top of the main body part I is vertically connected with a linkage pin I in an integrated mode, the top of the main body part II is vertically connected with a linkage pin II in an integrated mode, the linkage pin II penetrates through the main body part I, and the linkage pin I and the linkage pin II are jointly embedded in the bottom of the slip body; the sucker rod limiting block comprises a vertical mounting part and a horizontal limiting part, the vertical mounting part is used for being sleeved on the two guide shafts, the horizontal limiting part is integrally and vertically connected with the vertical mounting part, the vertical mounting part is vertically arranged relative to the guide shafts, the horizontal limiting part is arranged between the two guide shafts, and the arc-shaped opening III is arranged on one side, away from the vertical mounting part, of the horizontal limiting part; the slip seat comprises a seat body I, the seat body I is of a vertically arranged cylindrical structure and is positioned between a vertical installation part and a fixed cover plate, the seat body I is provided with a central through hole matched with an arc opening II and an arc opening III, one side of the fixed cover plate, which is close to the seat body I, is provided with an arc opening IV matched with the seat body I, a horizontal limiting part is movably inserted into the seat body I, two guide shafts penetrate through the seat body I, the top of the seat body I integrally and horizontally extends to one side, which is far away from the vertical installation part, to form a seat body II, one end, which is positioned at the top of the seat body I, of the seat body II is provided with a sliding groove for slidably installing a slip body, and a driving cylinder is installed at the other end of the seat body II;

furthermore, an arc-shaped sliding hole matched with the linkage pin II is formed in the main body part I, a sinking groove matched with the linkage pin I and the linkage pin II is formed in the bottom of the slip body, a through hole matched with the guide shaft and a jack matched with the horizontal limiting part are formed in the base body I, and the jack is located between the two through holes.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in on the basis that the outer wall side of the slip body is direct to link to each other with the actuating cylinder, rotatably inlay through the bottom of the slip body and be equipped with reverse transmission block subassembly, the both sides of reverse transmission block subassembly are equallyd divide and are connected with the guiding axle respectively, the cooperation setting that the common cover of one end that guiding axle level parallel arrangement and it kept away from reverse transmission block subassembly was equipped with the sucker rod stopper, utilize the actuating cylinder direct drive slip body to move, directly drive the sucker rod stopper through reverse transmission block subassembly and guiding axle reverse movement when the slip body moved, thereby make slip body and sucker rod stopper two-way cooperation synchronous be close to or keep away from, thereby press from both sides tightly or loosen the sucker rod, through the slip body, reverse transmission block subassembly, the guiding axle, the sucker rod stopper and the synergistic action of actuating cylinder, form novel linear type transmission structure, when simplifying transmission process effectively, greatly improve its stability of connection installation, thereby the actuating cylinder, driven stationarity and accurate nature between slip body and the sucker rod stopper have been promoted, transmission efficiency has improved finally by a wide margin; on the basis, the sucker rod slip is provided with the detachably connected sucker rod gaskets on the top of the slip body, and the sucker rod gaskets with different sizes are replaced, so that the sucker rod slip is suitable for sucker rods with different rod diameters, the sucker rod gaskets are convenient to replace, and the overall operation efficiency is further improved;

2. the utility model provides an upper reverse drive block is by main part I and clamp formula ear board I, lower reverse drive block is formed by main part II and II integral types of clamp formula ear board connected, through integral type vertical connection interlocking pin I on main part I, integral type vertical connection interlocking pin II on main part II, with clamp formula ear board I and clamp formula ear board II respectively with two guiding axle pin joints, interlocking pin I and interlocking pin II inlay the cooperation setting of locating the bottom of the slip body jointly, when making the slip body move under the drive of driving cylinder, driving interlocking pin I on main part I and interlocking pin II on main part II to move in the same direction, and then driving clamp formula ear board I and II reverse directions of clamp formula ear board and move, finally utilize the direction transmission effect of guiding axle, drive sucker rod stopper reverse direction simultaneously and move, realize two-way fit with the slip body, the transmission process has further been simplified, transmission efficiency has been improved, stationarity and precision, thereby whole operation security and operating efficiency have effectually been guaranteed;

3. the utility model provides a slip bowl comprises pedestal I and pedestal II, and the sucker rod stopper comprises the horizontal spacing portion that is used for the suit at two epaxial vertical installation departments of guide and is connected perpendicularly with vertical installation department integral type, and the activity cartridge of the spacing portion of level is in pedestal I, and two guide shafts run through in pedestal I, and through the cooperation setting of the spacing portion of level, guide shaft and pedestal I, the stability of integral connection installation has further been guaranteed to holistic operation security has been improved effectively.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the slip bowl of the present invention;

FIG. 3 is a schematic view of the structure of the gasket of the sucker rod of the present invention;

FIG. 4 is a schematic view of the slip body of the present invention;

fig. 5 is a schematic view of the working principle of the reverse transmission block assembly of the present invention;

fig. 6 is a schematic structural view of the upper reverse transmission block of the present invention;

fig. 7 is a schematic structural view of the lower reverse transmission block of the present invention;

fig. 8 is a first schematic view (slip open state) of the working principle of the present invention;

fig. 9 is a second schematic diagram (slip closed state) illustrating the operation principle of the present invention;

in the figure: 1. the driving cylinder, 2, the guiding axle, 3, the sucker rod packing ring, 31, arc opening I, 4, the slip body, 41, arc opening II, 42, heavy groove, 5, the sucker rod stopper, 51, vertical installation department, 52, horizontal spacing portion, 53, arc opening III, 6, go up reverse drive piece, 61, main part I, 62, press from both sides formula otic placode I, 63, interlocking pin I, 64, the arc slide opening, 7, reverse drive piece down, 71, main part II, 72, press from both sides formula otic placode II, 73, interlocking pin II, 8, fixed cover plate, 81, arc opening IV, 9, pedestal I, 91, central through hole, 92, through hole, 93, the jack, 10, pedestal II, 101, the spout.

Detailed Description

The following examples are provided to further illustrate the invention and are not intended to limit its application.

As shown in fig. 1 to 9, it shows a novel sucker rod slip (the functions and structures of basic structures such as controllers and the like on the existing sucker rod slip are all known in the art, the connection setting is also common knowledge, so it is not described herein, and it is not shown in detail in the drawings), including a driving cylinder 1, a sucker rod gasket 3, a slip body 4, an upper reverse transmission block 6, and a lower reverse transmission block 7, the sucker rod gasket 3 (inner bores can be processed into various sizes) and the slip body 4 are horizontally arranged, and the gasket 3 is detachably connected to the top of the slip body 4, a sinking groove 42 is formed at the bottom of the slip body 4, the upper reverse transmission block 6 is formed by integrally and horizontally connecting a main body portion i 61 and a clip type ear plate portion i 62, an arc-shaped sliding hole 64 is formed on the main body portion i 61, and a top integrated and vertically connected with a linkage pin i 63, the lower reverse transmission block 7 is formed by integrally and horizontally connecting a main body portion ii 71 and an ear plate portion ii 72, the main body portion i 61 and the second body portion ii 71 are sequentially pinned to a horizontally arranged on a horizontally arranged horizontally, the fixed cover plate 8, the main body portion ii is connected with the linkage pin 73, and the linkage pin 73 is inserted into the sinking groove 42 through the linkage pin 73;

furthermore, the clamping lug plate I62 and the clamping lug plate II 72 are respectively in pin joint with one ends of two guide shafts 2 which are horizontally arranged in parallel, the other ends of the two guide shafts 2 are together sleeved with a vertical mounting part 51, the vertical mounting part 51 is vertically arranged relative to the guide shafts 2, a horizontal limiting part 52 is also arranged between the two guide shafts 2, and the horizontal limiting part 52 and the vertical mounting part 51 are integrally and vertically connected to form a sucker rod limiting block 5;

furthermore, a seat body I9 is arranged between the vertical installation part 51 and the fixed cover plate 8, the seat body I9 is vertically arranged cylindrical, one side of the seat body I9 close to the vertical installation part 51 is provided with two through holes 92 and a jack 93 (a square structure in this position), the jack 93 is arranged at the middle position of the two through holes 92, the horizontal limiting part 52 is movably inserted into the seat body I9 through the jack 93, the two guide shafts 2 respectively penetrate through the seat body I9 through the two through holes 92, in addition, the top of the seat body I9 integrally and horizontally extends to one side far away from the vertical installation part 51 to form a seat body II 10, the cylinder part of the driving cylinder 1 is fixedly arranged at one end of the seat body I9 far away from the seat body II 10, the other end of the seat body II 10 is provided with a sliding groove 101 (a T-shaped structure in this position), the slip bowl body 4 is slidably arranged on the sliding groove 101, the outer wall side of the slip bowl body is connected with the end part of the piston rod of the driving cylinder 1, and the seat bodies I9 and II 10 jointly form a slip seat;

wherein, sucker rod packing ring 3 has the arc opening I31 that supplies the sucker rod to pass, slip body 4 has the arc opening II 41 that supplies the sucker rod to pass, one side that fixed apron 8 is close to pedestal I9 has the arc opening IV 81 with pedestal I9 looks adaptation, arc opening I31, arc opening II 41 and arc opening IV 81 all set up towards spacing portion 52 one side of level, the one end that vertical installation department 51 was kept away from to spacing portion 52 of level has the arc opening III 53 that supplies the sucker rod to pass, arc opening III 53 sets up towards slip body 4 one side, pedestal I9 has with arc opening II 41 and arc opening III 53 matched with central through-hole 91.

The utility model discloses a theory of operation and use as follows: the driving cylinder 1 is started through a controller, the slip body 4 is driven to slide on the sliding groove 101 of the base body II 10, the slip of the slip body 4 drives the linkage pin I63 and the linkage pin II 73 embedded at the bottom of the slip body 4 to move in the same direction relative to the slip body 4, the linkage pin I63 and the linkage pin II 73 move in the same direction to drive the main body part I61 and the main body part II 71 to rotate in the same direction, so that the clamp type ear plate part I62 and the clamp type ear plate part II 72 are driven to move in the opposite direction relative to the slip body 4, the clamp type ear plate part I62 and the clamp type ear plate part II 72 are respectively in pin joint with the two guide shafts 2, the sucker rod limiting block 5 is sleeved at the other ends of the two guide shafts 2, the sucker rod limiting block 5 is driven by the guide shafts 2 to move in the opposite direction relative to the slip body 4, so that the slip body 4 and the sucker rod limiting block 5 simultaneously move close to or far away from the well mouth center of a pumping well, and the slip body 4 and the sucker rod limiting block 5 are clamped or loosened; when the sucker rod slips of the utility model are closed, the slip body 4 and the sucker rod limiting block 5 simultaneously move towards the center of the well mouth of the pumping well, and the guide surface on the upper part of the sucker rod gasket 3 ensures that the sucker rod can accurately fall into the arc opening I31 of the sucker rod gasket 3, thereby completing the clamping action of the sucker rod; and when the utility model discloses a when the sucker rod slips was opened, the well head center that the pumping well was kept away from simultaneously to slip body 4 and sucker rod stopper 5 removed, made the coupling of sucker rod freely pass through to accomplish the sucker rod and loosen the action.

Claims

1. The utility model provides a novel sucker rod slips, includes the slips body, with slips body matched with actuating cylinder, its characterized in that, the actuating cylinder links to each other with the outer wall side of the slips body, the detachable sucker rod packing ring that is connected with in top of the slips body, the bottom of the slips body is rotatably inlayed and is equipped with reverse drive block group spare, the both sides of reverse drive block group spare are equallyd divide and do not are connected with the guiding axle, two the common cover of one end that guiding axle level parallel arrangement and its kept away from reverse drive block group spare is equipped with the sucker rod stopper with slips body both way complex.

2. The novel sucker rod slip of claim 1, wherein the sucker rod washer and the slip body are both horizontally arranged and respectively provided with an arc opening I and an arc opening II which are matched with the sucker rod, the sucker rod limiting block is provided with an arc opening III which is matched with the sucker rod, and the arc opening II and the arc opening III are arranged in a two-way matching manner.

3. The novel sucker rod slip of claim 2, wherein the reverse drive block assembly comprises an upper reverse drive block and a lower reverse drive block which are horizontally arranged, the upper reverse drive block comprises a main body part I and a clamp-type ear plate part I formed by integrally extending the main body part I, the lower reverse drive block comprises a main body part II and a clamp-type ear plate part II formed by integrally extending the main body part II, the main body part I and the main body part II are sequentially pinned on a fixed cover plate which is horizontally arranged from top to bottom, and the clamp-type ear plate part I and the clamp-type ear plate part II are respectively pinned with two guide shafts.

4. The novel sucker rod slip as claimed in claim 3, wherein the top integral type of the main body part I is vertically connected with a linkage pin I, the top integral type of the main body part II is vertically connected with a linkage pin II, the linkage pin II penetrates through the main body part I, and the linkage pin I and the linkage pin II are embedded in the bottom of the slip body together.

5. The novel sucker rod slip as claimed in claim 4, wherein the main body portion I is provided with an arc-shaped sliding hole matched with the linkage pin II, and the bottom of the slip body is provided with a sinking groove matched with the linkage pin I and the linkage pin II.

6. The novel sucker rod slip of claim 3, wherein the sucker rod limiting block comprises a vertical mounting portion for being sleeved on the two guide shafts and a horizontal limiting portion vertically connected with the vertical mounting portion in an integrated manner, the vertical mounting portion is vertically arranged relative to the guide shafts, the horizontal limiting portion is arranged between the two guide shafts, and the arc-shaped opening III is arranged on one side, away from the vertical mounting portion, of the horizontal limiting portion.

7. The novel sucker rod slip of claim 6, wherein the slip further comprises a slip seat, the slip seat comprises a seat body I, the seat body I is a vertically arranged cylinder structure and is located between the vertical installation portion and the fixed cover plate, the top of the seat body I is horizontally extended to one side, away from the vertical installation portion, to form a seat body II, one end, located at the top of the seat body I, of the seat body II is formed with a sliding groove for slidably installing the slip body, and the driving cylinder is installed at the other end of the seat body II.

8. The novel sucker rod slip of claim 7, wherein the side of the fixed cover plate close to the seat body I is provided with an arc opening IV matched with the seat body I, and the seat body I is provided with a central through hole matched with the arc opening II and the arc opening III.

9. The slip for sucker rod of claim 7, wherein the horizontal limiting portion is movably inserted into the base body I, and the two guide shafts penetrate through the base body I.

10. The novel sucker rod slip as claimed in claim 9, wherein the seat body i is provided with a through hole adapted to the guide shaft and an insertion hole adapted to the horizontal position-limiting part, the insertion hole being located between the two through holes.