CN218030088U

CN218030088U - Movable hanging point device of derrick racking platform

Info

Publication number: CN218030088U
Application number: CN202222423226.5U
Authority: CN
Inventors: 陆明; 陆德宝; 吴惠华; 朱家旺; 雷新超
Original assignee: Shanghai Driling Branch Of Sinopec Offshore Oilfield Services Co; Sinopec Oilfield Service Corp
Current assignee: Shanghai Driling Branch Of Sinopec Offshore Oilfield Services Co; Sinopec Oilfield Service Corp
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2022-12-13
Anticipated expiration: 2032-09-14

Abstract

The utility model provides a movable hanging point device of a derrick racking platform, which comprises a slide bar, a slide sleeve, a hanging piece and a locking piece; two ends of the sliding rod are arranged on a coaming of a racking platform of the derrick through fixing parts; the sliding sleeve is slidably sleeved on the sliding rod; the hanging piece is fixed on the peripheral surface of the sliding sleeve, and a hanging hole is formed in the hanging piece; the sliding rod is provided with a plurality of first positioning holes at intervals along the length direction of the sliding rod, and the sliding sleeve is provided with second positioning holes matched with the first positioning holes; the locking piece penetrates through the second positioning hole of the sliding sleeve to be matched with different first positioning holes so as to realize the locking of the sliding sleeve at different length positions on the sliding rod; the position of the sliding sleeve on the sliding rod can be adjusted only by pulling out the locking piece, so that the position of the hanging piece can be adjusted, and the purpose of conveniently changing the position of a hanging point is achieved; after the position of the hanging point is adjusted, the rope does not need to be reeved, so that the tripping efficiency is greatly improved.

Description

Movable hanging point device of derrick racking platform

Technical Field

The utility model belongs to the oil drilling field, concretely relates to removal string of some device of derrick racking platform.

Background

In the well drilling and repairing operation, the tripping operation is required, when the drilling is started, the drill string is pulled out for drilling through a top drive, when one upright post is pulled out, the drill string is stopped on a rotary table by using a slip of a drilling table surface, a joint between the upright post and the drill string is detached through an iron roughneck and the like, and the detached upright post is stopped at a finger beam of a second-layer platform of the derrick through a winch, a steel wire rope and a hanging point; then the top drive is arranged below the drill stem, when the top drive lifts the drill stem for the length of one upright column again, the slip of the drilling platform surface is utilized to stop the drill stem on the rotary table, the joint between the upright column and the drill stem is disassembled, the disassembled upright column is arranged to be prevented to the fingerboard of the second floor platform of the derrick, and the operation is continuously repeated to finish the lifting process of the drill stem; the run-in process is the reverse of the run-out process.

In the process of tripping, the continuously dismantled upright columns positioned at the center line of the derrick are required to be sequentially arranged to each finger beam of the derrick racking platform; when drilling down, the upright columns at each fingerboard of the two-layer platform of the derrick are required to be lifted to the center line of the derrick in sequence to be connected with a drill column; therefore, along with the increase or reduction of the number of the stand columns on the racking platform, the positions of the hanging points matched with the winch need to be changed, and the steel wire ropes need to be connected again, so that the detached stand columns can be conveniently hoisted to the corresponding fingerboards or the stand columns at the corresponding fingerboards can be hoisted to the center line of the derrick for installation.

SUMMERY OF THE UTILITY MODEL

In view of the shortcoming of above prior art, an object of the utility model is to provide a some device is hung in removal of derrick racking platform, it only needs to move the sliding sleeve position and can reach the purpose of conveniently adjusting and hanging some position (hanging promptly and hanging a position), need not the operative employee and relapses the dismouting and hang some and the wire rope, not only reduces operative employee's intensity of labour, improves the efficiency of digging out moreover.

In order to achieve the above and other related objects, the present invention provides a movable hanging point device for a derrick racking platform, which comprises a sliding rod, a sliding sleeve, a hanging piece and a locking piece; two ends of the sliding rod are arranged on a coaming of a derrick racking platform through a fixing piece; the sliding sleeve is slidably sleeved on the sliding rod; the hanging piece is fixed on the peripheral surface of the sliding sleeve, and a hanging hole is formed in the hanging piece; the sliding rod is provided with a plurality of first positioning holes at intervals along the length direction of the sliding rod, and the sliding sleeve is provided with second positioning holes matched with the first positioning holes; the locking piece penetrates through the second positioning hole of the sliding sleeve to be matched with different first positioning holes so as to realize the locking of the sliding sleeve at different length positions on the sliding rod; the position of the sliding sleeve on the sliding rod can be adjusted only by pulling out the locking piece, so that the position of the hanging piece can be adjusted, and the purpose of changing the position of a hanging point is achieved; after the position of the hanging point is adjusted, the rope does not need to be reeved, so that the tripping efficiency is greatly improved.

Preferably, the locking piece comprises a bolt and a disengagement preventing piece fixed on the bolt; a bolt seat is fixed on the sliding sleeve; the bolt seat is provided with a bolt hole communicated with the second positioning hole and a chute for the anti-falling part to penetrate out; the plug pin hole and the second positioning hole are coaxially arranged, and the aperture of the plug pin hole is equal to that of the second positioning hole; the bolt is arranged in the bolt hole in a sliding manner so as to realize the relative sliding or relative fixing of the sliding sleeve and the sliding rod; the bolt seat is provided with an anti-falling groove for limiting the position of the anti-falling rod; both avoided removing the sliding sleeve in-process, the locking piece drops and loses, can pass through the spacing anticreep pole of anticreep groove again after the locking, avoids the bolt accident to withdraw from first locating hole.

Preferably, the sliding sleeve is provided with a rotation stopping part matched with the enclosing plate of the derrick racking platform, so that the error rotation in the process of moving the sliding sleeve is avoided, and the alignment difficulty of the first positioning hole and the second positioning hole is reduced.

Preferably, the sliding rod and the sliding sleeve cannot rotate mutually, so that the alignment difficulty of the first positioning hole and the second positioning hole is reduced.

Preferably, be equipped with first locating part on the inner wall of sliding sleeve, be equipped with the second locating part on the outer wall of slide bar, first locating part and second locating part sliding fit are in order to restrict the relative rotation of slide bar and sliding sleeve in order to reduce the degree of difficulty of aiming at of first locating hole and second locating hole.

As above, the utility model discloses a some devices are hung in removal of derrick racking platform has following beneficial effect:

the device of the utility model has simple structure and convenient use, and can move the hanging piece on the sliding sleeve to the corresponding position by only pulling out the bolt to move the sliding sleeve relative to the sliding rod, thereby completing the adjustment of the hanging point position and ensuring that the dismantled upright post can be conveniently hoisted to the corresponding fingerboard position or the upright post at the corresponding fingerboard position can be hoisted to the center line of the derrick for installation in the hoisting process; because when the hanging piece moves, the rope does not need to be reeved, and the tripping efficiency is greatly improved.

Drawings

Fig. 1 is a front view of the movable hanging point device of a derrick racking platform of the utility model, which is installed on a coaming triangle iron.

Fig. 2 is a top partial cross-sectional view of the moving hitch point device.

Fig. 3 is a schematic view of fig. 2 with the locking element removed.

Figure 4 is a top view of the sliding sleeve.

Description of the reference numerals

The locking device comprises angle iron 01, a sliding rod 1, a first positioning hole 11, a sliding sleeve 2, a second positioning hole 21, a bolt hole 221, a bolt seat 22, a sliding groove 222, an anti-falling groove 223, a rotation stopping piece 23, a hanging piece 3, a hanging hole 31, a locking piece 4, a bolt 41, an anti-falling piece 42 and a fixing piece 5.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 4. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. In addition, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are used for clarity of description only, and are not used to limit the scope of the present invention, and the relative relationship between the terms may be changed or adjusted without substantial technical changes.

As shown in fig. 1, the movable hanging point device of the utility model is installed on the fixed coaming of the racking platform of the derrick, so as to conveniently adjust the position of the hanging point; for convenience of description, in the following embodiments, the directions are defined as follows, the longitudinal direction of the slider 1 is defined as the left-right direction, the longitudinal direction of the plug base 22 is defined as the front-rear direction, and the thickness direction of the hanger 3 is defined as the up-down direction. Accordingly, in the views of fig. 2 to 4, the upper side of the paper surface is the rear direction, the lower side of the paper surface is the front direction, the left side of the paper surface is the left direction, the right side of the paper surface is the right direction, the front side of the paper surface is the upper direction, and the rear side of the paper surface is the lower direction.

As shown in fig. 1 to 3, the utility model provides a movable hanging point device of a derrick racking platform, which comprises a sliding rod 1, a sliding sleeve 2, a hanging piece 3 and a locking piece 4; the two ends of the sliding rod 1 are mounted on a triangular iron 01 of a two-layer platform coaming of a derrick through a fixing piece 5, the fixing piece 5 and the triangular iron 01 are both L-shaped plates formed by a horizontal part and a vertical part, the horizontal part of the fixing piece 5 is mounted on the horizontal part of the triangular iron 01 through a bolt, and the end part of the sliding rod 1 and the vertical part of the fixing piece 5 are fixed in a welding mode, a threaded connection mode and the like; the sliding sleeve 2 is slidably sleeved on the sliding rod 1 and is in sliding fit with the sliding rod in the length direction; the hanging piece 3 is fixed on the peripheral surface of the sliding sleeve 2, a hanging hole 31 is formed in the hanging piece 3, and the hanging hole 31 is used for installing a guide pulley; the slide bar 1 is provided with a plurality of first positioning holes 11 at intervals along the length direction, and the sliding sleeve 2 is provided with second positioning holes 21 matched with the first positioning holes 11; the locking piece 4 passes through the second positioning hole 21 of the sliding sleeve 2 to be matched with different first positioning holes 11 on the sliding rod 1 so as to realize the locking of the sliding sleeve 2 at different length positions on the sliding rod 1.

When the position of the guide pulley needs to be adjusted during the process of drilling up and down, the position of the guide pulley can be adjusted only by pulling out the locking piece 4, sliding the sliding sleeve 2 to a preset position and locking the sliding sleeve through the locking piece 4; in the whole adjusting process, the hanging point and the steel wire rope do not need to be repeatedly disassembled and assembled, and the tripping efficiency is improved.

Further, as shown in fig. 2 to 4, the locking member 4 includes a latch 41 and a release preventing member 42; a bolt seat 22 is fixed on the sliding sleeve 2; the bolt seat 22 is provided with a bolt hole 221 and a chute 222 which are communicated with each other; wherein, the bolt hole 221 and the second positioning hole 21 are coaxially arranged and communicated with each other; the aperture of the pin hole 221 is equal to the aperture of the second positioning hole 21; the bolt 41 is arranged in the bolt hole 221 in a sliding manner along the axial direction thereof so as to enable the bolt 41 to enter or exit the first positioning hole 11, thereby realizing the relative sliding or relative fixing of the sliding sleeve 2 and the sliding rod 1; the extending direction of the sliding groove 222 is the same as the sliding direction of the bolt 41, and the anti-falling piece 42 passes through the sliding groove 222 and is fixedly connected with the bolt 41; a slip-off preventing groove 223 for limiting the position of the slip-off preventing piece 42 is arranged on the bolt seat 22, and the slip-off preventing groove 223 is communicated with the sliding groove 222; when the position of the hanging point (i.e., the position of the hanging part 3) needs to be adjusted, the anti-drop part 42 is rotated only around the axial center line of the inserted pin 41, and the anti-drop part 42 is rotated from the anti-drop groove 223 into the sliding groove 222. Then the bolt 41 is pulled out, so that the bolt 41 exits from the first positioning hole 11 (at this time, the anti-falling piece 42 moves in the sliding slot 222), so as to release the locking state of the sliding sleeve 2 and the sliding rod 1, and move the sliding sleeve 2 to a preset position; then, the plug pin 41 is inserted into the first positioning hole 11 until the anti-falling part 42 moves to the anti-falling groove 222, and then the anti-falling part 42 is rotated to enable the anti-falling part to enter the anti-falling groove 222 for clamping, so that the clamping stability is ensured, and the plug pin 41 is effectively prevented from being pulled out by mistake; in the embodiment, the angle between the latch 41 and the anti-slip member 42 is 90 °.

Further, as shown in fig. 2, the sliding sleeve 2 is provided with a rotation stopping member 23 matched with the vertical part of the triangular iron 01, and the hanging member 31 and the rotation stopping member 23 are respectively positioned at the front part and the rear part of the sliding sleeve 2; when the hanging piece 31 is stressed to generate a reverse moment which enables the sliding sleeve 2 to rotate anticlockwise relative to the sliding rod 1 (namely the hanging piece 31 rotates downwards), the vertical part of the triangular iron 01 abuts against the rotation stopping piece 23 to generate a forward moment which counteracts the reverse moment, all the reverse moments are prevented from being applied to the bolt 41, the bolt 41 is prevented from being stressed and broken, and the service life of the bolt 41 is prolonged; simultaneously, the cooperation of the piece 23 that splines and the 01 vertical portion of angle iron can avoid sliding sleeve 2 to rotate by mistake at the removal in-process, reduces the alignment degree of difficulty of first locating hole and second locating hole.

Preferably, the sliding rod 1 and the sliding sleeve 2 cannot rotate with each other, so as to ensure that the center line of the second positioning hole 21 is always parallel to the center line of the first positioning hole 11, thereby reducing the alignment difficulty between the second positioning hole 21 and the first positioning hole 11 during the adjustment process, and facilitating the insertion of the locking member 4.

Specifically, a first limiting piece is arranged on the inner wall of the sliding sleeve 2, a second limiting piece is arranged on the outer wall of the sliding rod 1, and the first limiting piece and the second limiting piece are in sliding fit to limit the relative rotation of the sliding rod 1 and the sliding sleeve 2; the first limiting member and the second limiting member are protrusions and grooves which are matched with each other or two planes which are matched with each other (if the outer contour of the slide bar 1 and the inner contour of the slide sleeve 2 are square, four planes of the outer wall of the slide bar 1 are the second limiting members, and four planes of the inner wall of the slide sleeve 2 are the first limiting members), which are not limited.

Because in the whole tripping process, an operator does not need to repeatedly disassemble and assemble the hanging point and the steel wire rope, the position of the hanging point can be changed by only adjusting the position of the sliding sleeve 2 on the sliding rod 1, the labor capacity of the operator is effectively reduced, the hanging point adjusting efficiency is improved, and the tripping efficiency is further improved.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A movable hanging point device of a derrick racking platform is characterized by comprising a sliding rod (1), a sliding sleeve (2), a hanging piece (3) and a locking piece (4); two ends of the sliding rod (1) are arranged on a surrounding plate of a derrick racking platform through a fixing piece (5); the sliding sleeve (2) is sleeved on the sliding rod (1) in a sliding manner; the hanging piece (3) is fixed on the peripheral surface of the sliding sleeve (2), and a hanging hole (31) is formed in the hanging piece (3); the sliding rod (1) is provided with a plurality of first positioning holes (11) at intervals along the length direction, and the sliding sleeve (2) is provided with second positioning holes (21) matched with the first positioning holes (11); the locking piece (4) penetrates through a second positioning hole (21) of the sliding sleeve (2) to be matched with different first positioning holes (11) so as to realize the locking of the sliding sleeve (2) on the sliding rod (1) at different length positions.

2. The moving hanging point device of the derrick racking platform as claimed in claim 1, characterized in that the locking member (4) comprises a bolt (41) and a release preventing member (42) fixed on the bolt (41); a bolt seat (22) is fixed on the sliding sleeve (2); the bolt seat (22) is provided with a bolt hole (221) communicated with the second positioning hole (21) and a sliding groove (222) for the anti-falling part (42) to penetrate out; the plug pin hole (221) and the second positioning hole (21) are coaxially arranged, and the aperture of the plug pin hole (221) is equal to that of the second positioning hole (21); the bolt (41) is slidably arranged in the bolt hole (221) so as to realize the relative sliding or relative fixing of the sliding sleeve (2) and the sliding rod (1); the plug seat (22) is provided with a drop-proof groove (223) used for limiting the position of the drop-proof piece (42).

3. The moving hanging point device of the derrick racking platform as claimed in claim 1 or 2, wherein the sliding sleeve (2) is provided with a rotation stopping piece (23) matched with the enclosing plate of the derrick racking platform.

4. The moving hanging point device of the derrick racking platform as claimed in claim 1 or 2, characterized in that the sliding rod (1) and the sliding sleeve (2) are not rotatable with respect to each other.

5. The device according to claim 4, wherein a first limiting member is disposed on the inner wall of the sliding sleeve (2), a second limiting member is disposed on the outer wall of the sliding rod, and the first limiting member and the second limiting member are slidably engaged to limit the relative rotation between the sliding rod and the sliding sleeve.