CN210117218U

CN210117218U - Adjusting frame for wellhead landing

Info

Publication number: CN210117218U
Application number: CN201920459419.1U
Authority: CN
Inventors: 郭幸钢; 郭幸铜; 郭远军
Original assignee: Yuanjun Guo
Current assignee: Yuanjun Guo
Priority date: 2019-04-08
Filing date: 2019-04-08
Publication date: 2020-02-28
Anticipated expiration: 2029-04-08

Abstract

The utility model discloses an alignment jig for well head descending, including support body, slide mechanism and position control device. Wherein the frame body is used for being placed on a wellhead and has a length larger than the diameter of the wellhead; the sliding mechanism is connected with the frame body and is provided with a sliding part which moves relative to the frame body; the position adjusting device is respectively connected with the frame body and the sliding piece and is used for adjusting the position of the sliding piece relative to the frame body. The utility model discloses, can let the user descend from the arbitrary position of well head through putting and position control device of support body, and at the in-process that descends, the position can freely be adjusted, has avoided because of well limit too far away with the central point of A-frame puts and takes place to rock, and leads to personnel and the wall of a well to take place the situation of scraping, simultaneously, has realized the unsettled operation of optional position in the pit, can make personnel fall suitable position from the well head safely effectively.

Description

Adjusting frame for wellhead landing

Technical Field

The utility model relates to an alignment jig for descending especially relates to an alignment jig for well head descending.

Background

Sometimes it is necessary to drop from the wellhead, such as in downhole operations, downhole rescue, etc., to tie the rope to a fixed support at the wellhead, such as a tripod, by tying the rope to the central apex of the tripod and then holding the rope down to the bottom of the well. However, the descending position of the tripod is limited, the tripod can only descend from the center of the tripod, and for a large-spot wellhead, particularly for a suspended operation requiring precise positioning, the tripod is difficult to play a role.

Therefore, how to safely and effectively drop the wellhead to a proper position is a problem to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the present invention is to provide an adjusting bracket which can safely and effectively fall from a wellhead to a suitable position.

The utility model provides a technical scheme as follows, include:

a frame body for placing on a wellhead and having a length greater than the diameter of the wellhead;

the sliding mechanism is connected with the frame body and is provided with a sliding part which moves relative to the frame body;

and the position adjusting device is respectively connected with the frame body and the sliding piece and is used for adjusting the position of the sliding piece relative to the frame body.

Preferably, the adjusting bracket further comprises:

the tightening mechanism comprises a first tightening member and a second tightening member which are slidable relative to the frame body.

Preferably, the sliding mechanism further includes:

the guide rail is arranged along the length direction of the frame body and is fixedly connected with the frame body, and the sliding part is arranged on the guide rail and can move relative to the guide rail.

Preferably, the position adjusting means includes:

the first roller is rotatably arranged at one end of the frame body along the length direction;

the second roller is rotatably arranged at the other end of the frame body along the length direction;

the connecting piece is wound around the first roller and the second roller and moves along with the rotation of the first roller and the second roller, and the connecting piece is connected with the sliding piece;

the first adjusting handle penetrates through the frame body and then is connected with the first idler wheel, and the first idler wheel is driven to rotate when the first adjusting handle is rotated.

Preferably, the position adjustment device further includes a first locking mechanism, and the first locking mechanism includes:

the first locking piece is connected with the first roller or the second roller and is provided with first concave parts which are uniformly distributed in the circumferential direction;

the first screw rod is in threaded connection with the frame body, and the end part of the first screw rod is clamped with the first concave part.

Preferably, the tightening mechanism includes:

the first chain wheel is rotatably arranged at one end of the frame body;

the second chain wheel is rotatably arranged at the other end of the frame body, and the first and second supporting pieces are positioned between the first and second chain wheels;

the chain is wound around the first chain wheel and the second chain wheel, one side of the chain is connected with the first supporting piece, and the other side of the chain is connected with the second supporting piece;

and the second adjusting handle penetrates through the frame body, is connected with the first chain wheel, and drives the first chain wheel to rotate when rotating the second adjusting handle.

Preferably, the tightening mechanism further comprises a second locking mechanism, and the second locking mechanism comprises:

the second locking piece is arranged at one end of the first chain wheel or the second chain wheel and is provided with second concave parts which are uniformly distributed in the circumferential direction;

and the second screw rod is in threaded connection with the frame body, and the end part of the second screw rod is clamped with the second concave part.

This embodiment can let the user descend from the arbitrary position of well head through putting and position control device of support body, and at the in-process that descends, and the position can freely be adjusted, has avoided because of well limit too far away with the central point of A-frame puts and takes place to rock, and leads to personnel and the condition that the wall of a well takes place the scraping, simultaneously, has realized the unsettled operation of arbitrary position in the pit, can make personnel fall suitable position from the well head safely effectively.

Drawings

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

FIG. 1 is a front view of a preferred embodiment of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic view of FIG. 1 positioned at a wellhead;

FIG. 4 is a perspective view of FIG. 1;

fig. 5 is a partial schematic view of fig. 1 showing a first locking mechanism and a second locking mechanism.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like refer to the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that the utility model is usually placed when in use, and are used for convenience of description and simplification of description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 5, the technical solution provided by the present embodiment is as follows, including:

a rack body 100 for placing on a wellhead, having a length greater than a diameter of the wellhead;

a slide mechanism 200 connected to the frame body 100 and having a slide member 220 moving relative to the frame body 100;

and a position adjusting device 400 respectively connected to the frame body 100 and the sliding member 220 for adjusting the position of the sliding member 220 relative to the frame body 100.

The frame body 100 may be formed by enclosing a plurality of sides, preferably four sides, and has a length greater than the diameter of the wellhead. The frame body 100 may be made of steel, iron, or aluminum alloy, etc., and is selected according to the weight to be borne or other requirements. The shelf 100 may be placed at a desired lowered position so that the lowered position can be reached after moving the slider 220.

The sliding member 220 may be a sliding member such as a slider, a sliding plate, etc., and may move in the longitudinal direction of the magazine 100. The slider 220 may be provided with a cord 700, or one end of the cord 700 may be connected to the slider 220 during operation. The rope 700 may be a steel wire rope or a flexible rope of other material, such as nylon rope, and may be selected according to the weight to be borne. The other end of the rope 700 is free to fall downhole.

The position adjusting device 400 may be fixedly or detachably connected to the sliding member 220, and is used for adjusting the position of the sliding member 220 relative to the rack 100 in the length direction of the rack 100.

The use method and the working principle of the self-carrying rope 700 of the embodiment are as follows:

when the well needs to be descended from the determined position of the well head, as shown in fig. 3, the frame body 100 is firstly placed at the appropriate position of the well head, the sliding element 220 is adjusted to be close to the well edge through the position adjusting device 400, then the user grasps the rope 700 to suspend to the well head, at this time, the sliding element 220 is slowly adjusted to the determined descending position through the position adjusting device 400, and finally the user directly descends. In addition, the user may first descend from any position and then slowly adjust the sliding member 220 to a certain position by the position adjusting device 400 when descending to a proper height.

It can be seen that this embodiment can let the user descend from the arbitrary position of well head through putting and position control device 400 of support body 100, and at the in-process that descends, the position can freely be adjusted, has avoided taking place to rock because of the well limit is too far away with the central point of A-frame, and lead to personnel and the condition that the wall of a well takes place the scraping, simultaneously, has realized the unsettled operation of optional position in the pit, can make personnel fall suitable position from the well head safely effectively.

As a further preferred aspect of the present embodiment, the adjusting bracket may further include:

the tightening mechanism 500 includes a first tightening member 510 and a second tightening member 520 that are slidable relative to the frame body 100.

Wherein, the first and second bracing

members

510 and 520 are disposed oppositely, and one end is slidably connected to the frame body 100, and the other end extends to the bottom of the well for bracing both ends of the well. When using, place the support body 100 in the suitable position of well head earlier, then can use actuating mechanism or manually operation mechanism to impel first fastener 510 to the one end of well head, make its one end that props up the well head, impel second fastener 520 to the other end of well head, make its other end that props up the well head. Thereby avoiding the movement of the frame body 100 relative to the wellhead caused by the swinging of the weight hung by the rope 700 or the swinging of the rope 700 by the grabbing and pulling of personnel, and improving the descending safety of the wellhead. The driving mechanism can be an electric cylinder, a cylinder, an oil cylinder and other linear driving mechanisms.

As a further preferable aspect of the present embodiment, the slide mechanism 200 may further include:

the guide rail 210 is disposed along the length direction of the frame body 100 and fixedly connected to the frame body 100, and the slider 220 is disposed on the guide rail 210 and can move relative to the guide rail 210.

The number of the guide rails 210 may be one or more, and preferably two. As shown in fig. 2, two guide rails 210 are disposed in parallel on the frame body 100 and extend through the sliding member 220, so that the sliding member 220 can move relative to the guide rails 210. The adjustment of the position is achieved by moving the slider 220 and, at the same time, the position of the cord 700.

The position adjusting device 400 may adopt a structure as shown in fig. 4, and includes:

a first roller 410 rotatably disposed at one end of the frame body 100 along the length direction;

a second roller 420 rotatably disposed at the other end of the frame body 100 along the length direction;

a connecting member 430 passing around the first roller 410 and the second roller 420 and moving with the rotation of the first roller 410 and the second roller 420, the connecting member 430 being connected to the sliding member 220;

the first adjusting handle 440 penetrates the frame body 100 and is connected to the first roller 410, and when the first adjusting handle 440 is rotated, the first roller 410 is driven to rotate.

Wherein, first gyro wheel 410 and second gyro wheel 420 can be the sprocket, the band pulley etc., connecting piece 430 can be the chain, hold-in range etc., first gyro wheel 410 and second gyro wheel 420 all mesh with connecting piece 430, first adjustment handle 440 can be connected with first gyro wheel 410, also can be connected with second gyro wheel 420, when being connected with first gyro wheel 410, rotatory first adjustment handle 440 will drive first gyro wheel 410 and roll, under the pulling force of connecting piece 430, second gyro wheel 420 is passive rotatory, thereby make connecting piece 430 remove, just also driven slider 220 to remove, the regulation of different positions has been realized.

Here, the position adjustment apparatus 400 may further include a first locking mechanism 450 for locking the rotational position of the first roller 410 or the second roller 420 such that the slider 220 is fixed at the current position.

Wherein, the first locking mechanism 450 may include:

the first locking piece 452 is connected with the first roller 410 or the second roller 420 and is provided with first concave parts which are uniformly distributed in the circumferential direction;

the first screw 451 is screwed to the frame body 100, and an end of the first screw 451 is engaged with the first recess.

As shown in fig. 5, the first locking member 452 is disposed at one end of the first roller 410, and first recesses are uniformly arranged in the circumferential direction for engaging with the first screw 451. When the position of the sliding member 220 needs to be adjusted, the first screw 451 can be unscrewed to be disengaged from the first recess, at this time, the first adjustment handle 440 is rotated until the sliding member 220 is adjusted to a proper position, and finally, the first screw 451 is tightened.

As a further preferable aspect of the present embodiment, the tightening mechanism 500 may include:

a first chain wheel 540 rotatably disposed at one end of the frame body 100;

a second chain wheel 550 rotatably provided at the other end of the frame body 100, the first and

second clamping members

510 and 520 being located between the first chain wheel 540 and the second chain wheel 550;

a chain 530 wound around the first and

second sprockets

540 and 550, the chain 530 having one side connected to the first clamping member 510 and the other side connected to the second clamping member 520;

the second adjustment handle 560 penetrates through the frame body 100 and is connected with the first chain wheel 540, and when the second adjustment handle 560 is rotated, the first chain wheel 540 is driven to rotate.

Wherein, as shown in fig. 4, one side of the chain 530 may be coupled to one of the first and

second clamping members

510, 520 and the other side of the chain 530 may be coupled to the other of the first and

second clamping members

510, 520. When second adjustment handle 560 is rotated, first and

second clamping members

510 and 520 slide simultaneously inward or outward. When outwards sliding, can be used for propping up the both ends of well head to avoided because of rope 700 hangs heavy object and rocks, or personnel grab and draw rope 700 to rock and the support body 100 that arouses removes for the well head, improved the security that the well head descends.

To avoid the inconvenience of grasping the second adjustment handle 560 for a long time to define the current rotational position, the tightening mechanism 500 may further include a second locking mechanism 570 for locking the rotational position of the second adjustment handle 560, the first sprocket 540, or the second sprocket 550 so that the first tightening member 510 and the second tightening member 520 are fixed at the current position.

The second locking mechanism 570 may adopt the following structure, including:

a second locking member 572 provided at one end of the first sprocket 540 or the second sprocket 550 and having second recesses uniformly distributed in the circumferential direction;

the second screw 571 is threadedly connected to the frame body 100, and an end of the second screw 571 is engaged with the second recess.

As shown in fig. 5, the second locking member 572 is disposed at one end of the first sprocket 540, and has second recesses uniformly arranged in the circumferential direction for engaging with the second screws 571. When the positions of the first and

second tightening members

510 and 520 need to be adjusted, the second threaded rod 571 can be loosened to be disengaged from the second recess, at this time, the second adjustment handle 560 is rotated until the first and

second tightening members

510 and 520 are adjusted to the proper positions, and finally, the second threaded rod 571 is tightened.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. It should be noted that there are infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that various improvements, decorations or changes can be made without departing from the principles of the present invention, and the technical features can be combined in a suitable manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.

Claims

1. An adjustment bracket for wellhead lowering, comprising:

a rack (100) for placing on a wellhead, having a length greater than the wellhead diameter;

a slide mechanism (200) connected to the frame body (100) and having a slide member (220) that moves relative to the frame body (100);

and the position adjusting device (400) is respectively connected with the frame body (100) and the sliding piece (220) and is used for adjusting the position of the sliding piece (220) relative to the frame body (100).

2. An adjustment bracket for wellhead lowering according to claim 1 and also comprising:

a tightening mechanism (500) includes a first tightening member (510) and a second tightening member (520) that are slidable relative to the frame (100).

3. An adjustment bracket for wellhead lowering according to claim 1 or 2 characterised in that the sliding mechanism (200) further comprises:

the guide rail (210) is arranged along the length direction of the frame body (100) and fixedly connected with the frame body (100), and the sliding part (220) is arranged on the guide rail (210) and can move relative to the guide rail (210).

4. An adjustment frame for wellhead lowering according to claim 1 or 2 characterised in that the position adjustment means (400) comprises:

the first roller (410) is rotatably arranged at one end of the frame body (100) along the length direction;

the second roller (420) is rotatably arranged at the other end of the rack body (100) along the length direction;

a connecting member (430) passing around the first roller (410) and the second roller (420) and moving with the rotation of the first roller (410) and the second roller (420), the connecting member (430) being connected to the sliding member (220);

the first adjusting handle (440) penetrates through the frame body (100) and then is connected with the first roller (410), and when the first adjusting handle (440) is rotated, the first roller (410) is driven to rotate.

5. An adjustment bracket for wellhead lowering according to claim 4 characterised in that the position adjustment means (400) further comprises a first locking mechanism (450), the first locking mechanism (450) comprising:

the first locking piece (452) is connected with the first roller (410) or the second roller (420) and is provided with first concave parts which are uniformly distributed in the circumferential direction;

and a first screw (451) which is screwed to the frame body (100), and an end of the first screw (451) is engaged with the first recess.

6. An adjustment frame for wellhead lowering according to claim 2 characterised in that the bracing mechanism (500) comprises:

the first chain wheel (540) is rotatably arranged at one end of the frame body (100);

the second chain wheel (550) is rotatably arranged at the other end of the frame body (100), and the first clamping piece (510) and the second clamping piece (520) are positioned between the first chain wheel (540) and the second chain wheel (550);

a chain (530) passing around the first sprocket (540) and the second sprocket (550), wherein one side of the chain (530) is connected to the first fastening member (510), and the other side is connected to the second fastening member (520);

and the second adjusting handle (560) penetrates through the frame body (100) and is connected with the first chain wheel (540), and when the second adjusting handle (560) is rotated, the first chain wheel (540) is driven to rotate.

7. An adjustment frame for wellhead lowering according to claim 6 characterised in that the bracing mechanism (500) further comprises a second locking mechanism (570), the second locking mechanism (570) comprising:

the second locking piece (572) is arranged at one end of the first chain wheel (540) or the second chain wheel (550) and is provided with second concave parts which are uniformly distributed in the circumferential direction;

and a second screw (571) in threaded connection with the frame body (100), wherein an end of the second screw (571) is engaged with the second recess.