CN212054583U

CN212054583U - High-efficient oil field salvage connection structure

Info

Publication number: CN212054583U
Application number: CN202020457819.1U
Authority: CN
Inventors: 郭维
Original assignee: Hebei Yuanhua Geological Exploration Co ltd
Current assignee: Hebei Yuanhua Geological Exploration Co ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2020-12-01
Anticipated expiration: 2030-04-01

Abstract

The utility model discloses a high-efficiency oilfield salvage connection structure, which comprises an upper connector, wherein the bottom of the upper connector is provided with an inner salvage rod driven by a motor, the inner salvage rod is movably connected with a movable hook, a containing cavity is arranged inside the movable hook, the inner side of the containing cavity is movably connected with an inner side hook, the inner side hook and the movable hook are arranged in parallel, the inner side of the movable hook is provided with a containing cavity for containing the inner side hook, the opening end of the containing cavity is connected with the side wall of the movable hook, and the upper end surface of the inner side hook is provided with a second collecting tank; the utility model discloses in, through setting up the interior fishing rod that is driven by the motor, fishing rod rotates in the accessible motor drives, utilizes centrifugal force to increase the contained angle between movable hook and the interior fishing rod during rotation to salvage the junk, and when fishing rod rotates in, multiplicable movable hook and the winding probability of junk.

Description

High-efficient oil field salvage connection structure

Technical Field

The utility model relates to an oil field equipment technical field specifically is a connection structure is salvaged in high-efficient oil field.

Background

Application number CN201320752993.9 provides an oil field fisher in pit, belongs to oil field borehole operation technical field. It includes the top connection, interior fishing rod and outer fishing rod, interior fishing rod, outer fishing rod is connected with the top connection lower extreme, the symmetry is provided with two fixed hooks that open side down on the outer fishing rod, be provided with movable couple group on the interior fishing rod outer wall, movable couple group includes two the same movable hooks, the movable hook lower extreme is articulated with interior fishing rod through the hinge, the middle part is passed through reset spring and stay cord and is connected with interior fishing rod, the movable hook upper end is provided with tooth, the middle part is provided with collects the recess, two movable hooks are symmetrical about interior fishing rod axis with the pin joint of interior fishing rod, two movable hook upper ends are located the both sides of two pin joint lines respectively. The utility model discloses can conveniently form the salvage of long and thin junk of group, fixed couple scrapes the collection downwards with long and thin junk, and the activity couple of below is further collected long and thin junk, has improved the success rate that long and thin junk was salvaged.

Foretell oil field is fisher in pit is owing to salvage the junk through the activity couple, therefore the angle of activity couple and interior fishing rod must be greater than the degree, has not set up stop gear, causes interior fishing rod and activity couple probably parallel, and the contained angle is the degree promptly, can't salvage the junk through the activity couple this moment, and because the length of activity couple is limited, causes scraping of activity couple and collects the limited problem of scope, provides a high-efficient oil field salvage connection structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connection structure is salvaged in high-efficient oil field to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-efficient oil field salvage connection structure, its includes the top connection, there is the interior fishing rod by motor drive the bottom of top connection, swing joint has the swing hook on the interior fishing rod, the cavity has been seted up and has been accomodate to the inside of swing hook, the inboard swing joint who accomodates the cavity has inboard couple, inboard couple and the mutual parallel arrangement of swing hook, the inboard of swing hook is seted up and is used for accomodating the cavity of accomodating of inboard couple, the opening end of accomodating the cavity is connected with the lateral wall of swing hook, the second collecting vat has been seted up to the up end of inboard couple, the inboard couple is with accomodate and is installed between the inner wall of cavity and tighten up the.

As a further scheme of the utility model, the internally mounted of top connection has the motor, the output and the interior fishing rod fixed connection of motor, install the bracing piece on the inner wall of top connection, set up the recess that uses with the bracing piece cooperation on the lateral wall of interior fishing rod.

As a further scheme of the utility model, all install the pulley on the upper and lower inner wall that is close to the opening end in accomodating the cavity, movable hook's top has first collecting vat.

As a further proposal of the utility model, the inboard couple is close to one of tightening up the spring and serves and install the anticreep board, anticreep board and inboard couple formula structure as an organic whole.

As a further aspect of the utility model, tighten up the first end of spring and accomodate the inner wall fixed connection of cavity, tighten up the second end and the anticreep board fixed connection of spring.

As a further aspect of the utility model, install the guide pillar on accomodating the inner wall of cavity, the end of guide pillar is inserted and is located the inside of inboard couple, just the guide hole that corresponds with the guide pillar is seted up to the inside of inboard couple.

As a further aspect of the utility model, install fixed couple on the inside of top connection, reset spring and stay cord are installed to the top of activity couple, the first end and the interior fishing rod fixed connection of reset spring and stay cord, the second end and the activity couple fixed connection of reset spring and stay cord

Compared with the prior art:

1. the utility model discloses in, through setting up the interior fishing rod that is driven by the motor, fishing rod rotates in the accessible motor drives, utilizes centrifugal force to increase the contained angle between movable hook and the interior fishing rod during rotation to salvage the junk, and when fishing rod rotates in, multiplicable movable hook and the winding probability of junk.

2. The utility model discloses in, through having set up the inside inboard couple that is located the activity couple, when the interior fishing rod rotates, utilize the inboard couple of centrifugal force to stretch out from the activity couple is inside, and the collection scope of scraping of multiplicable activity couple if not winding the junk on the inboard couple, when fishing rod stall including, the inboard couple can reset under the effect of tightening up the spring.

3. The utility model discloses in, through having set up the guide pillar that is located on accomodating the cavity inner wall, can provide partial holding power to the inboard couple when the inboard couple stretches out to in the stability of increasing inboard couple when salvaging the junk.

Drawings

FIG. 1 is a schematic structural diagram of a high-efficiency oilfield salvage connection structure;

FIG. 2 is a schematic view of the internal structure of a movable hook in a high-efficiency oilfield fishing connection structure;

FIG. 3 is an enlarged schematic view of the part A in a high-efficiency oilfield salvage connection structure;

fig. 4 is an enlarged schematic structural diagram of a part B in a high-efficiency oilfield fishing connection structure.

In the figure: 1. an upper joint; 2. an inner fishing rod; 3. a movable hook; 4. a return spring; 5. pulling a rope; 6. fixing the hook; 7. a support bar; 8. a groove; 9. an output end; 10. a motor; 11. the inner side is hooked; 12. a first holding tank; 13. a receiving cavity; 14. a second holding tank; 15. an open end; 16. tightening the spring; 17. an anti-falling plate; 18. a guide post; 19. a guide hole; 20. a pulley.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-4, a high-efficiency oilfield salvage connection structure comprises an upper joint 1, an inner salvage rod 2 driven by a motor 10 is arranged at the bottom of the upper joint 1, a movable hook 3 is movably connected to the inner salvage rod 2, a receiving cavity 13 is arranged inside the movable hook 3, an inner hook 11 is movably connected to the inner side of the receiving cavity 13, the inner hook 11 and the movable hook 3 are arranged in parallel, a receiving cavity 13 for receiving the inner hook 11 is arranged inside the movable hook 3, an open end 15 of the receiving cavity 13 is connected to a side wall of the movable hook 3, a second collecting groove 14 is arranged on the upper end surface of the inner hook 11, a tightening spring 16 is arranged between the inner hook 11 and the inner wall of the receiving cavity 13, the motor 10 drives the inner salvage rod 2 to rotate, an included angle between the movable hook 3 and the inner salvage rod 2 is increased by using centrifugal force during rotation so as to salvage fallen objects, when the inner fishing rod 2 rotates, the falling objects near the inner fishing rod 2 can be attracted to the periphery of the inner fishing rod 2 by centrifugal attraction, the probability that the movable hook 3 is wound with the falling objects can be increased, when the inner fishing rod 2 rotates, the inner side hook 11 can extend out of the movable hook 3 by centrifugal force, the scraping range of the movable hook 3 can be increased, if the falling objects are not wound on the inner side hook 11, when the inner fishing rod 2 stops rotating, the inner side hook 11 can reset under the action of the tightening spring 16.

Wherein, the internally mounted of top connection 1 has motor 10, and the output 9 and the interior pole 2 fixed connection of salvaging of motor 10 install bracing piece 7 on the inner wall of top connection 1, offer on the lateral wall of interior pole 2 of salvaging with bracing piece 7 cooperation recess 8 that uses, bracing piece 7 can support bracing piece 7, is convenient for salvage.

Wherein, all install pulley 20 on the upper and lower inner wall of taking in the cavity 13 near open end 15, the top of activity couple 3 has first collecting vat 12, is convenient for fixed junk.

Wherein, the end of the inner side hook 11 close to the tightening spring 16 is provided with an anti-falling plate 17, and the anti-falling plate 17 and the inner side hook 11 are of an integrated structure, so that the inner side hook 11 can be prevented from falling off.

Wherein, the first end of tightening spring 16 and the inner wall of accommodating cavity 13 are fixedly connected, and the second end of tightening spring 16 and anti-falling plate 17 are fixedly connected, so as to facilitate the reset of inside hook 11.

Wherein, install guide pillar 18 on the inner wall of accomodating cavity 13, the inside of locating inboard couple 11 is inserted to the end of guide pillar 18, and the inside of inboard couple 11 is seted up and is offered the guide hole 19 that corresponds with guide pillar 18, through having set up the guide pillar 18 that is located on accomodating cavity 13 inner wall, can provide partial holding power to inboard couple 11 when inboard couple 11 stretches out to increase the stability of inboard couple 11 when salvaging the junk.

Wherein, install fixed couple 6 on the inside of top connection 1, reset spring 4 and stay cord 5 are installed at the top of activity couple 3, and the first end and the interior fishing rod 2 fixed connection of reset spring 4 and stay cord 5, the second end and the activity couple 3 fixed connection of reset spring 4 and stay cord 5.

The utility model discloses a theory of operation is: when the device is used, the inner fishing rod 2 is driven to rotate by the motor 10, the included angle between the movable hook 3 and the inner fishing rod 2 is increased by centrifugal force during rotation so as to facilitate fishing of falling objects, when the inner fishing rod 2 rotates, the falling objects near the inner fishing rod 2 can be attracted to the periphery of the inner fishing rod 2 by centrifugal attraction force, the probability that the movable hook 3 is wound with the falling objects can be increased, when the inner fishing rod 2 rotates, the inner hook 11 can extend out of the inner part of the movable hook 3 by centrifugal force, the scraping range of the movable hook 3 can be increased, if the falling objects are not wound on the inner hook 11, when the inner fishing rod 2 stops rotating, the inner hook 11 can reset under the action of the tightening spring 16, and when the inner hook 11 extends out, the pulley 20 can reduce the friction force between the inner hook 11 and the storage cavity 13, and through the guide pillar 18 positioned on the inner wall of the storage cavity 13, part of the supporting force of the inner hook 11 may be provided when the inner hook 11 is extended, so that the stability of the inner hook 11 is increased when a falling object is fished.

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

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. An efficient oilfield salvage connection structure is characterized by comprising an upper connector (1), the bottom of the upper joint (1) is provided with an inner fishing rod (2) driven by a motor (10), the inner fishing rod (2) is movably connected with a movable hook (3), the movable hook (3) is internally provided with a containing cavity (13), the inner side of the containing cavity (13) is movably connected with an inner side hook (11), the inner side hook (11) and the movable hook (3) are arranged in parallel, the inner side of the movable hook (3) is provided with a containing cavity (13) for containing the inner hook (11), the open end (15) of the receiving cavity (13) is connected with the side wall of the movable hook (3), the upper end surface of the inner side hook (11) is provided with a second collecting groove (14), and a tightening spring (16) is arranged between the inner side hook (11) and the inner wall of the containing cavity (13).

2. The efficient oilfield fishing connection structure according to claim 1, wherein a motor (10) is installed inside the upper joint (1), an output end (9) of the motor (10) is fixedly connected with the inner fishing rod (2), a support rod (7) is installed on the inner wall of the upper joint (1), and a groove (8) matched with the support rod (7) for use is formed in the outer side wall of the inner fishing rod (2).

3. The high-efficiency oilfield fishing connection structure according to claim 1, wherein pulleys (20) are mounted on the upper and lower inner walls of the receiving cavity (13) close to the open end (15), and a first collecting groove (12) is formed in the top of the movable hook (3).

4. The high-efficiency oilfield fishing connection structure according to claim 1, wherein an anti-dropping plate (17) is mounted on one end of the inner side hook (11) close to the tightening spring (16), and the anti-dropping plate (17) and the inner side hook (11) are of an integral structure.

5. The high-efficiency oilfield fishing connection structure according to claim 4, wherein a first end of the tightening spring (16) is fixedly connected with the inner wall of the receiving cavity (13), and a second end of the tightening spring (16) is fixedly connected with the anti-dropping plate (17).

6. The efficient oilfield fishing connection structure according to claim 1, wherein a guide post (18) is mounted on an inner wall of the receiving cavity (13), a tail end of the guide post (18) is inserted into the inner side hook (11), and a guide hole (19) corresponding to the guide post (18) is formed in the inner side hook (11).

7. The efficient oilfield fishing connection structure according to claim 1, wherein a fixed hook (6) is mounted inside the upper connector (1), a return spring (4) and a pull rope (5) are mounted at the top of the movable hook (3), first ends of the return spring (4) and the pull rope (5) are fixedly connected with the inner fishing rod (2), and second ends of the return spring (4) and the pull rope (5) are fixedly connected with the movable hook (3).