CN212177093U - Safe butt joint device for underground operation tool - Google Patents

Abstract

The utility model relates to the technical field of downhole operation tools, in particular to a safe docking device of a downhole operation tool, which comprises a fixed base, wherein the upper end of the fixed base is fixedly connected with a limit sleeve, a hydraulic cylinder is arranged in the limit sleeve, the lower end of the hydraulic cylinder is fixedly connected with the fixed base, the upper end of the hydraulic cylinder is fixedly connected with a fixed disk, the upper end of the fixed disk is fixedly connected with a docking barrel, the docking barrel is slidably connected in the limit sleeve, and a centering component is arranged in the docking barrel; the centering assembly is arranged in the butt joint barrel, so that the operation tool can be quickly positioned and clamped, the contact surface between the positioning clamping block and the operation tool can be increased through the clamping block with the V-shaped structure, the connection stability of the butt joint tool to the operation tool is improved, and the operation tool is prevented from slipping during butt joint; the utility model has the advantages of simple structure, spare part is convenient for maintain and the replacement, has practiced thrift manufacturing cost and maintenance cost.

Description

Safe butt joint device for underground operation tool

Technical Field

The utility model relates to an in pit operation instrument technical field specifically is an in pit operation instrument safety interfacing apparatus.

Background

At present, in the underground operation engineering, some short and heavy tools for well descending, such as a milling cone, a roller shaper, a tricone bit, a strong magnetic fisher, a grinding shoe and a lead seal, need to be replaced on a drill floor, an operation pipe column is usually lifted away from the drill floor by about 1m when the well is descended, generally two operation workers lift up by hands and rotate the well descending tool to be in butt joint with the pipe column thread, and then fastening is carried out. During the process of butt joint of the downhole tool and the pipe string, the downhole tool is heavy, particularly a strong magnetic fisher and a roller shaper, so that the butt joint is difficult to succeed at one time, and if two workers are not matched properly, the downhole tool can fall off or personnel can be injured. There is therefore a need for a device that enables safe docking of a downhole tool to a tubular string.

The existing butt joint device drives the telescopic rod to clamp and centralize the operation tool through the pressure spring, so that the operation tool is difficult to stably clamp, and the operation tool is easy to slip and inconvenient to operate when in butt joint. And the butt joint tool is supported by the spring, so that the problem that the pre-tightening force between the operation tool and the pipe column is insufficient after the butt joint tool is used for a long time is easily caused.

Disclosure of Invention

An object of the utility model is to provide a be exclusively used in safe interfacing apparatus of borehole operation instrument of drum transportation to solve the problem that proposes in 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 safe interfacing apparatus of borehole operation instrument, includes unable adjustment base, unable adjustment base's upper end fixedly connected with limit sleeve, be equipped with the pneumatic cylinder in the limit sleeve, the lower extreme fixed connection of pneumatic cylinder is in unable adjustment base, the upper end fixedly connected with fixed disk of pneumatic cylinder, the upper end fixedly connected with butt joint section of thick bamboo of fixed disk, butt joint section of thick bamboo sliding connection is in limit sleeve, be equipped with the centering subassembly in the butt joint section of thick bamboo.

Preferably, the upper end of the fixed base is also fixedly connected with a hydraulic pump, a pressure rod is arranged on the hydraulic pump, a first circulating pipeline is arranged between the hydraulic pump and the hydraulic cylinder, and the first circulating pipeline is arranged inside the fixed base; and a reset bolt is arranged on one side of the fixed base, a second circulating pipeline is arranged between the reset bolt and the hydraulic cylinder, and the second circulating pipeline is arranged in the fixed base.

Preferably, the limiting sleeve and the butt joint barrel are square sleeves.

Preferably, the surfaces of two opposite side walls of the butt joint barrel are provided with sliding grooves, the outer side of each sliding groove is fixedly connected with a fixed shell, and the sliding grooves and the fixed shells are both located on the central line of the side walls of the butt joint barrel.

Preferably, the centering subassembly includes two sets of relative location clamp splice that set up, and the slider of the equal fixedly connected with of both sides wall of two sets of location clamp splice, the slider of location clamp splice both sides is sliding connection respectively in a set of spout, just the one end of slider extends to the one end of fixed casing internal and fixedly connected with pressure spring, the other end fixed connection of pressure spring is in fixed casing.

Preferably, the positioning clamping block is a V-shaped clamping block, and an anti-skid layer is further arranged on the surface of the positioning clamping block.

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

1) this safe interfacing apparatus of borehole operation instrument through set up centering subassembly in a butt joint section of thick bamboo, can carry out the quick location centre gripping to operation instrument, through the clamp splice of V type structure, multiplicable location clamp splice and operation instrument's contact surface improves the connection steadiness of butt joint instrument to operation instrument, avoids operation instrument to take place the phenomenon of skidding when the butt joint.

2) This safe interfacing apparatus of operation instrument in pit supports operation instrument through setting up the pneumatic cylinder in fixed disk bottom, and the accessible hydraulic pump drives the plunger in the pneumatic cylinder and rises, provides the pretightning force for operation instrument and tubular column when butt joint, has avoided the spring-supported problem that leads to the pretightning force between operation instrument and tubular column not enough.

The utility model has the advantages of simple structure, spare part is convenient for maintain and the replacement, has practiced thrift manufacturing cost and maintenance cost.

Drawings

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

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the positioning clamp of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

the device comprises a fixed base 1, a limiting sleeve 2, a hydraulic cylinder 3, a fixed disc 4, a butt joint cylinder 5, a hydraulic pump 6, a pressure lever 7, a reset bolt 8, a sliding groove 9, a positioning clamping block 10, a sliding block 11, a fixed shell 12 and a pressure spring 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 and 2, the present invention provides a technical solution: the utility model provides a safe interfacing apparatus of borehole operation instrument, includes unable adjustment base 1, and unable adjustment base 1's upper end fixedly connected with limit sleeve 2 is equipped with pneumatic cylinder 3 in the limit sleeve 2, and the lower extreme fixed connection of pneumatic cylinder 3 is in unable adjustment base 1, and the upper end fixedly connected with fixed disk 4 of pneumatic cylinder 3, the upper end fixedly connected with butt joint section of thick bamboo 5 of fixed disk 4, and 5 sliding connection of butt joint section of thick bamboo are equipped with the centering subassembly in the limit sleeve 2 in the butt joint section of thick bamboo 5.

The upper end of the fixed base 1 is fixedly connected with a hydraulic pump 6, a pressure rod 7 is arranged on the hydraulic pump 6, a first circulating pipeline is arranged between the hydraulic pump 6 and the hydraulic cylinder 3, and the first circulating pipeline is arranged inside the fixed base 1; one side of unable adjustment base 1 is equipped with reset bolt 8, be equipped with circulation pipeline two between reset bolt 8 and the pneumatic cylinder 3, circulation pipeline two sets up in unable adjustment base 1, supports the working tool through setting up pneumatic cylinder 3 in 4 bottoms of fixed disk, and accessible hydraulic pump 6 drives the plunger in the pneumatic cylinder 3 and rises, provides the pretightning force when butt joint for working tool and tubular column, has avoided the spring-supported problem that leads to the pretightning force between working tool and tubular column not enough.

Wherein, the limiting sleeve 2 and the butt joint barrel 5 are square sleeves.

Wherein, the surfaces of two opposite side walls of the butting cylinder 5 are both provided with a sliding chute 9, the outer side of the sliding chute 9 is fixedly connected with a fixed shell 12, and the sliding chute 9 and the fixed shell 12 are both positioned on the central line of the side wall of the butting cylinder 5; the centering assembly comprises two groups of oppositely arranged positioning clamping blocks 10, two side walls of the two groups of positioning clamping blocks 10 are fixedly connected with a sliding block 11, the sliding blocks 11 on two sides of the positioning clamping blocks 10 are respectively connected with a group of sliding grooves 9 in a sliding mode, one end of each sliding block 11 extends into the fixed shell 12 and is fixedly connected with one end of a pressure spring 13, and the other end of each pressure spring 13 is fixedly connected to the fixed shell 12; the positioning clamping block 10 is a V-shaped clamping block, an anti-slip layer is further arranged on the surface of the positioning clamping block 10, the centering assembly is arranged in the butt joint barrel 5, the operation tool can be clamped in a quick positioning mode, the contact surface of the positioning clamping block 10 and the operation tool can be increased through the clamping block of the V-shaped structure, the connection stability of the butt joint tool to the operation tool is improved, and the phenomenon that the operation tool slips when in butt joint is avoided.

Principle of operation

This safe interfacing apparatus of borehole operation instrument during the use, place interfacing apparatus in the tubular column below, place operation instrument in a butt joint section of thick bamboo 5 again to pressure spring 13 through location clamp splice 10 both sides drives two sets of location clamp splices 10 and fixes a position the centre gripping to operation instrument, makes it be located same axis with the tubular column, and operation depression bar 7, drives the plunger of pneumatic cylinder 3 through hydraulic pump 6 and rises operation instrument, the butt joint with the tubular column of beginning.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.

Claims (6)

1. The utility model provides a safe interfacing apparatus of borehole operation instrument, includes unable adjustment base (1), its characterized in that, the upper end fixedly connected with limit sleeve (2) of unable adjustment base (1), be equipped with pneumatic cylinder (3) in limit sleeve (2), the lower extreme fixed connection of pneumatic cylinder (3) is in unable adjustment base (1), the upper end fixedly connected with fixed disk (4) of pneumatic cylinder (3), the upper end fixedly connected with butt joint section of thick bamboo (5) of fixed disk (4), butt joint section of thick bamboo (5) sliding connection is in limit sleeve (2), be equipped with the centering subassembly in butt joint section of thick bamboo (5).

2. The safe docking device for the downhole working tool according to claim 1, wherein a hydraulic pump (6) is fixedly connected to the upper end of the fixed base (1), a pressure rod (7) is arranged on the hydraulic pump (6), a first circulation pipeline is arranged between the hydraulic pump (6) and the hydraulic cylinder (3), and the first circulation pipeline is arranged inside the fixed base (1); one side of the fixed base (1) is provided with a reset bolt (8), a second circulating pipeline is arranged between the reset bolt (8) and the hydraulic cylinder (3), and the second circulating pipeline is arranged in the fixed base (1).

3. A downhole tool safety docking device according to claim 1, wherein the limiting sleeve (2) and the docking sleeve (5) are square sleeves.

4. The safe docking device for the downhole operation tool according to claim 3, wherein sliding grooves (9) are formed in the surfaces of two opposite side walls of the docking barrel (5), a fixed shell (12) is fixedly connected to the outer sides of the sliding grooves (9), and the sliding grooves (9) and the fixed shell (12) are located on the central line of the side walls of the docking barrel (5).

5. The safety butt joint device for the downhole operation tool according to claim 4, wherein the centering assembly comprises two sets of oppositely arranged positioning clamping blocks (10), two side walls of the two sets of positioning clamping blocks (10) are fixedly connected with a sliding block (11), the sliding blocks (11) on two sides of the positioning clamping blocks (10) are respectively connected with a set of sliding grooves (9) in a sliding mode, one end of the sliding block (11) extends into the fixed shell (12) and is fixedly connected with one end of a pressure spring (13), and the other end of the pressure spring (13) is fixedly connected with the fixed shell (12).

6. The safety butt joint device for the downhole operation tool according to claim 5, wherein the positioning clamping block (10) is a V-shaped clamping block, and an anti-skid layer is further arranged on the surface of the positioning clamping block (10).

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