CN217001754U

CN217001754U - Oil field is pipe expander in pit

Info

Publication number: CN217001754U
Application number: CN202220977859.8U
Authority: CN
Inventors: 陈洋; 朱金南; 何进; 周长清
Original assignee: Better Oilfield Technology Co ltd
Current assignee: Better Oilfield Technology Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-07-19
Anticipated expiration: 2032-04-26

Abstract

The utility model discloses an oil field downhole pipe expander which comprises an expansion rod, wherein the inner wall of the expansion rod is fixedly connected with a pressure pipe, the side wall of the expansion rod is provided with a split expansion joint assembly, the inner wall of one end of the expansion rod is fixedly connected with a power supply block, and one end of the expansion rod is provided with an adjustable monitoring assembly; according to the technical scheme provided by the utility model, the split expanded joint assembly is arranged, and the expanded joint structure is installed in a split manner through the split expanded joint assembly, so that the expanded joint structure can be conveniently disassembled for later maintenance, replacement and maintenance, the problem that the integral device needs to be replaced due to the damage of the expanded joint structure is avoided, and the use cost is increased is solved.

Description

Oil field is pipe expander in pit

Technical Field

The utility model relates to the technical field of oilfield pipe expansion, in particular to an oilfield underground pipe expander.

Background

The pipe expander is used for expanding the inner and outer diameters of pipes during the manufacture and maintenance of various containers, so that the contact parts of the pipes and pipe plates are tightly jointed to prevent water leakage and air leakage of the pipes, and can bear a certain pressure.

The prior art has the following defects or problems:

1. the existing pipe expander is usually fixed in structure, and the loss of an expanded connection structure is large, so that the whole device needs to be replaced after the expanded connection structure is damaged, and the use cost is greatly increased;

2. the current pipe expander is usually when using, leads to being difficult to effectual understanding to the pipe wall internal conditions of overhauing owing to lack interior visual structure to lead to the efficiency of overhauing work comparatively low, extremely inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an oil field underground pipe expander aiming at the defects of the prior art so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

an oil field downhole pipe expander comprises an expansion rod, wherein a pressure pipe is fixedly connected to the inner wall of the expansion rod, a split expansion assembly is arranged on the side wall of the expansion rod, a power supply block is fixedly connected to the inner wall of one end of the expansion rod, and an adjustable monitoring assembly is arranged at one end of the expansion rod;

the components of a whole that can function independently expanded joint subassembly includes connecting block, fastening bolt, high pressure resistant rubber and sealing ring, the lateral wall fixed connection of connecting block is in the lateral wall of expander roll, fastening bolt's lateral wall rotates to be connected in the top of connecting block, high pressure resistant rubber's lateral wall fixed connection is inboard in the top of connecting block, the lateral wall fixed connection of sealing ring is in the bottom middle part of connecting block.

Optionally, the adjustable monitoring assembly includes a support head, a motor, a support shaft and a camera, the bottom of the support head is fixedly connected to one end of the expansion rod, the side wall of the motor is fixedly connected to the side wall of the support head, one end of the support shaft is fixedly connected to the output end of the motor, and the side wall of the camera is fixedly connected to the side wall of the support shaft.

Optionally, one end of the pressure pipe is communicated with the inner side of the connecting block through a penetrating sealing ring.

Optionally, a through hole is formed in the side wall of the support head, and the support shaft is rotatably connected to the side wall of the support head through penetrating through the through hole.

Optionally, a through hole is formed in the side wall of the camera, and the supporting shaft is fixedly connected to the inside of the side wall of the camera through the through hole.

Optionally, the expansion rod is made of a high-strength alloy material.

Optionally, the inboard of sealing ring is provided with the rubber bubble pad, just the rubber bubble pad is the ring type structure.

Optionally, the fastening bolts are provided with a plurality of fastening bolts and symmetrically arranged at the top end of the connecting block.

Compared with the prior art, the utility model provides an oil field underground pipe expander, which has the following beneficial effects:

1. the split expanded joint assembly is arranged, and the expanded joint structure is installed in a split mode through the split expanded joint assembly, so that the purposes that the expanded joint structure can be conveniently disassembled and maintained in the later period, the integral device needs to be replaced due to damage of the expanded joint structure, and the use cost is increased are achieved;

2. according to the utility model, the adjustable monitoring component is arranged, and the adjustable monitoring component can be used for monitoring and checking the condition inside the pipe wall in real time and adjusting the angle according to the requirement, so that the purposes of conveniently knowing and overhauling the condition inside the pipe wall and improving the pipe wall overhauling work efficiency are achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a cross-sectional view of the structure of the present invention;

FIG. 2 is a top view of the structure of the present invention;

FIG. 3 is a left side sectional view of the inventive structure;

FIG. 4 is a top view of a seal ring structure according to the present invention.

In the figure: 1. expanding rods; 2. a pressurizing pipe; 3. connecting blocks; 4. fastening a bolt; 5. high pressure resistant rubber; 6. a seal ring; 7. a power supply block; 8. a support head; 9. a motor; 10. a support shaft; 11. a camera is provided.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected through the insides of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-4, in this embodiment: an oil field downhole pipe expander comprises an expansion rod 1, wherein the inner wall of the expansion rod 1 is fixedly connected with a pressure pipe 2, and the side wall of the expansion rod 1 is provided with a split expansion joint assembly; the split expansion joint assembly comprises a connecting block 3, a fastening bolt 4, high-pressure-resistant rubber 5 and a sealing ring 6, wherein the side wall of the connecting block 3 is fixedly connected to the side wall of the expansion rod 1, the side wall of the fastening bolt 4 is rotatably connected to the top end of the connecting block 3, the side wall of the high-pressure-resistant rubber 5 is fixedly connected to the inner side of the top end of the connecting block 3, and the side wall of the sealing ring 6 is fixedly connected to the middle of the bottom end of the connecting block 3; one end of the pressure pipe 2 is communicated with the inner side of the connecting block 3 through a penetrating sealing ring 6; the expansion rod 1 is made of high-strength alloy materials; a rubber bubble pad is arranged on the inner side of the sealing ring 6 and is of a circular ring structure; a plurality of fastening bolts 4 are symmetrically arranged at the top end of the connecting block 3; the expansion rod 1 that forms through the high strength alloy manufacturing supports, carry out high pressure through the forcing pipe 2 that runs through sealing ring 6 and connecting block 3 intercommunication and carry out the erection joint through connecting block 3, fastening bolt 4 through the symmetry installation can conveniently dismantle when fixing, produce radial pressure through the 5 atress of high pressure resistant rubber and carry out the expanded joint work, seal up the processing through the gap of sealing ring 6 atress deformation to the junction that the inboard is equipped with rubber bubble pad.

The inner wall of one end of the expansion rod 1 is fixedly connected with a power supply block 7, and one end of the expansion rod 1 is provided with an adjustable monitoring assembly; the adjustable monitoring assembly comprises a supporting head 8, a motor 9, a supporting shaft 10 and a camera 11, the bottom of the supporting head 8 is fixedly connected to one end of the expansion rod 1, the side wall of the motor 9 is fixedly connected to the side wall of the supporting head 8, one end of the supporting shaft 10 is fixedly connected to the output end of the motor 9, and the side wall of the camera 11 is fixedly connected to the side wall of the supporting shaft 10; a through hole is formed in the side wall of the support head 8, and the support shaft 10 is rotatably connected to the side wall of the support head 8 through penetrating through the through hole; a through hole is formed in the side wall of the camera 11, and the support shaft 10 is fixedly connected to the inside of the side wall of the camera 11 through the through hole; the power supply block 7 is used for supplying power to the camera 11 and the motor 9, the supporting head 8 is used for fixedly supporting, the motor 9 is used for driving the supporting shaft 10 to rotate, and then the camera 11 is driven to rotate for adjusting the angle.

The working principle and the using process of the utility model are as follows: when in use, one end of an expansion rod 1 is connected with a hydraulic pipe expander, high-pressure hydraulic pressure provided by the hydraulic pipe expander is sent to the inner side of a connecting block 3 through a pressure pipe 2, high-pressure-resistant rubber 5 is pressurized, pipe materials are subjected to plastic deformation through radial pressure generated by the stress of the high-pressure-resistant rubber 5, so that the expansion joint or repair and other functions of pipes are realized, after the high-pressure-resistant rubber 5 is used for a long time and is greatly worn, an expansion joint structure is extracted for maintenance or replacement through turning and loosening of a fastening bolt 4, after the replacement, a sealing ring 6 at the bottom end of the connecting block 3 is aligned to the pressure pipe 2 and inserted into the sealing ring 6, the connection part is filled and sealed through deformation generated by the stress of a rubber bubble gasket, the replacement of the expansion joint structure is completed through screwing of the fastening bolt 4, the convenience in detachment is realized, the later-stage maintenance and replacement are carried out, and the whole device is prevented from being required to be replaced due to the damage of the expansion joint structure, increase use cost's purpose, provide the power through built-in power supply piece 7 for camera 11 and motor 9 simultaneously, carry out real time monitoring through camera 11 to the inside condition of pipe wall and look over to drive back shaft 10 through motor 9 and rotate, drive camera 11 again and rotate angle regulation as required, thereby reach the understanding of being convenient for and overhaul the inside condition of pipe wall, improve the purpose that pipe wall overhauld work efficiency.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An oil field is pipe expander in pit which characterized in that: the device comprises an expansion rod (1), wherein a pressure pipe (2) is fixedly connected to the inner wall of the expansion rod (1), a split expansion assembly is arranged on the side wall of the expansion rod (1), a power supply block (7) is fixedly connected to the inner wall of one end of the expansion rod (1), and an adjustable monitoring assembly is arranged at one end of the expansion rod (1);

the components of a whole that can function independently expanded joint subassembly includes connecting block (3), fastening bolt (4), high pressure resistant rubber (5) and sealing ring (6), the lateral wall fixed connection of connecting block (3) is in the lateral wall of expander roll (1), the lateral wall of fastening bolt (4) rotates and connects in the top of connecting block (3), the lateral wall fixed connection of high pressure resistant rubber (5) is inboard in the top of connecting block (3), the lateral wall fixed connection of sealing ring (6) is in the bottom middle part of connecting block (3).

2. The oilfield downhole expander of claim 1, wherein: the adjustable monitoring assembly comprises a supporting head (8), a motor (9), a supporting shaft (10) and a camera (11), the bottom of the supporting head (8) is fixedly connected to one end of the expansion rod (1), the side wall of the motor (9) is fixedly connected to the side wall of the supporting head (8), one end of the supporting shaft (10) is fixedly connected to the output end of the motor (9), and the side wall of the camera (11) is fixedly connected to the side wall of the supporting shaft (10).

3. The oilfield downhole expander of claim 1, wherein: one end of the pressurizing pipe (2) is communicated with the inner side of the connecting block (3) by penetrating through the sealing ring (6).

4. The oilfield downhole expander of claim 2, wherein: the side wall of the supporting head (8) is provided with a through hole, and the supporting shaft (10) is rotatably connected to the side wall of the supporting head (8) through the through hole.

5. The oilfield downhole expander of claim 2, wherein: the through-hole has been seted up to the lateral wall of camera (11), back shaft (10) are through running through inside through-hole fixed connection in the lateral wall of camera (11).

6. The oilfield downhole expander of claim 1, wherein: the expansion rod (1) is made of high-strength alloy materials.

7. The oilfield downhole expander of claim 1, wherein: the inboard of sealing ring (6) is provided with the rubber bubble pad, just the rubber bubble pad is ring type structure.

8. The oilfield downhole expander of claim 1, wherein: the fastening bolts (4) are provided with a plurality of fastening bolts and are symmetrically arranged at the top end of the connecting block (3).