CN214424441U

CN214424441U - Combined double-pipe reducing joint and drilling equipment

Info

Publication number: CN214424441U
Application number: CN202120384906.3U
Authority: CN
Inventors: 李洪鹤; 宋李平; 张芳寅; 闻义; 叶勇
Original assignee: Jiangxi Dafeng Exploration Co ltd
Current assignee: Jiangxi Dafeng Exploration Co ltd
Priority date: 2021-02-20
Filing date: 2021-02-20
Publication date: 2021-10-19
Anticipated expiration: 2031-02-20

Abstract

The utility model discloses a combination double-barrelled reducing joint and drilling equipment, a serial communication port, include: a first connection for connecting a retaining wall sleeve; one end of the second connecting part is used for connecting the drill bit device, and the other end of the second connecting part is used for connecting the drill rod device; the first connecting portion is fixedly sleeved on the outer surface of the second connecting portion. Through being provided with the fixed cover of first connecting portion establish the surface at the second connecting portion, and then make core drill and armguard sleeve pipe can connect simultaneously, and then make drilling efficiency promote.

Description

Combined double-pipe reducing joint and drilling equipment

Technical Field

The utility model belongs to the technical field of the drilling equipment technique and specifically relates to a combination double-barrelled reducing joint and drilling equipment.

Background

Wireline core drilling is a drilling method that does not extract cores or extracts bits only a few times. The method is characterized in that all drill rods in the drill hole do not need to be lifted out during core taking, and a special fisher with a steel wire rope is used for lifting the inner tube at the bottom of the hole, which is filled with the core, to the ground through the center hole of the drill rod in the hole to obtain the core, so that the number of times of lifting the drill and the auxiliary time of lifting the drilling tool are reduced, and the drilling efficiency is improved. Its advantages are high drilling speed, long service life of diamond bit, high time and rate of interest, and low labour intensity.

In the existing equipment, two tools, namely a casing coupling and a drill rod coupling, are used in the drilling equipment industry for many years, but in the process of drilling complex strata, large-caliber drilling needs to be carried out firstly, a wall protection casing connected by the casing coupling (a first connecting part) is put in, then small-caliber drilling with a drill rod and a core drill tool connected by the drill rod coupling (a second connecting part) is carried out, and the drilling process is complicated.

SUMMERY OF THE UTILITY MODEL

In order to overcome the loaded down with trivial details problem of current probing process, the utility model provides a tool joint and use this tool joint's double-barrelled reducer union of combination.

The utility model provides a solve its technical problem's technical scheme is:

a combination dual tube reducer union comprising:

the first connecting part is used for connecting the wall protection sleeve;

one end of the second connecting part is used for connecting the drill bit device, and the other end of the second connecting part is used for connecting the drill rod device; the first connecting part is fixedly sleeved on the outer surface of the second connecting part.

Furthermore, the first connecting portion further comprises a first through hole, and the first through hole radially penetrates through the first connecting portion.

Furthermore, the first connecting portion comprises a first connecting unit and a second connecting unit, the first connecting unit is arranged to be a cylinder, the second connecting unit is arranged to be a cylinder, the diameter of the first connecting unit is larger than that of the second connecting unit, and the first connecting unit and the second connecting unit are arranged concentrically.

Furthermore, the outer surface of the second connecting unit is provided with a first screw thread, and the first screw thread is used for connecting the wall protection sleeve.

Furthermore, the second connecting portion further comprises a second through hole, and the second through hole radially penetrates through the second connecting portion.

Furthermore, the second connecting portion further comprises a third connecting unit and a fourth connecting unit, the third connecting unit is a cylinder, the fourth connecting unit is a cylinder, the diameter of the third connecting unit is larger than that of the fourth connecting unit, and the third connecting unit and the fourth connecting unit are concentrically arranged.

Further, the outer surface of the fourth connecting unit is provided with a second screw thread.

Furthermore, a screw thread unit matched with the drill rod device is arranged in a second through hole at one end, far away from the third connecting unit, of the fourth connecting unit.

Further, the diameter of the first through hole is larger than the outer diameter of the third joint unit.

A drilling apparatus is provided with a combined double-pipe reducer union capable of connecting a retaining wall casing and a drill bit device at the same time.

The beneficial effects of the utility model are that, through establishing the fixed cover of first connecting portion at the surface of second connecting portion, when making drill bit device and drilling rod connect on the second connecting portion, the dado sleeve pipe can be connected on first connecting portion, and the drilling process no longer need go on step by step, and then makes drilling efficiency promote.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, serve to explain the invention and not to limit the invention.

FIG. 1 is a schematic structural view of an embodiment of the combined double-tube reducer union of the present invention;

fig. 2 is a schematic structural diagram of a first embodiment of the connection portion of the present invention;

fig. 3 is a schematic structural diagram of a second embodiment of the connecting portion of the present invention;

fig. 4 is a schematic structural diagram of another embodiment of the second connecting portion of the present invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example 1

As shown in fig. 1, a combined double-pipe reducer union includes a first connection portion 1 and a second connection portion 2, wherein the first connection portion 1 is used for connecting a wall protection sleeve, so that a drill bit device connected to one end of the second connection portion 2 can be protected. The drill bit means and the retaining wall sleeve are arranged on the same side. At the other end of the second connection part 2, a drill rod is connected. Wherein the first connection part 1 is fixedly sleeved on the outer surface of the second connection part 2.

As shown in fig. 2, the first connection portion 1 includes a first connection unit 11 and a second connection unit 12, wherein the second connection unit 12 is fixedly connected to one end of the first connection unit 11, wherein the first connection unit 11 is configured to be cylindrical, the second connection unit 12 is also configured to be cylindrical, an outer diameter of the first connection unit 11 is larger than an outer diameter of the second connection unit 12, and the first connection unit 11 and the second connection unit are concentrically arranged. And a first screw thread 121 is provided on the outer surface of the second connection unit 12, the first screw thread 121 being provided such that the first connection part 1 can be connected to a wall protection bushing and is conveniently disassembled.

As shown in fig. 3, the second connection part 2 includes a third connection unit 21 and a fourth connection unit 22, the third connection unit 21 is fixedly connected to one end of the fourth connection unit 22, wherein the third connection unit 21 is configured to be cylindrical, the fourth connection unit 22 is also configured to be cylindrical, the outer diameter of the third connection unit 21 is larger than that of the fourth connection unit 22, and the fourth connection unit 22 and the third connection unit 21 are concentrically arranged. A second thread 221 is provided on an outer surface of the fourth connection unit 22, and the second thread 221 is provided such that the second connection portion can be connected to the drill bit device and can be easily disassembled.

Further, a second through hole radially penetrates through the second connecting portion 2, namely the second through hole penetrates through the third connecting unit 21 and the fourth connecting unit 22, and a fourth screw thread is further arranged at one end, far away from the fourth connecting unit 22, of the section of the third connecting unit 21 in the second through hole and used for connecting a drill rod device, so that the drill rod device can be conveniently connected and detached.

Furthermore, the aperture of the second through hole needs to be matched with the core taking pipe.

Further, a first through hole is further radially penetrated through the first connecting portion 1, that is, the first through hole radially penetrates through the first connecting unit 11 and the second connecting unit 12.

Further, the aperture of the first through hole is slightly larger than the outer diameter of the third connecting unit 21, so that the first connecting portion 1 can be smoothly sleeved on the outer surface of the second connecting portion 2.

Further, the second connection unit 12 is disposed on the same side as the fourth connection unit 22, and the leftmost end of the second connection unit 12 is disposed at the rightmost end of the fourth connection unit 22, i.e., the fourth connection unit 22 cannot cover the second connection unit 12.

Example 2

As shown in fig. 4, the second connection portion 2 can also be decomposed into the third connection portions 3, and the second connection portion 2 can be composed of two or three third connection portions 3, and the length of the second connection portion meets the production requirement. Wherein the third connecting portion 3 comprises a fifth connecting unit 31 and a sixth connecting unit 32. Wherein the sixth connection unit 32 is fixedly connected to one end of the fifth connection unit 31, wherein the fifth connection unit 31 is configured to be cylindrical, the sixth connection unit 32 is configured to be cylindrical, and the outer diameter of the fifth connection unit 31 is larger than the outer diameter of the sixth connection unit 32 and the fifth connection unit 31 and the sixth connection unit 32 are concentrically arranged. A third screw 321 is provided on an outer surface of the sixth connection unit 32. The third thread 321 is used to connect the drill bit means.

Further, a third through hole radially penetrates the third connection portion 3, i.e., the third through hole penetrates the fifth connection unit 31 and the sixth connection unit 32. Wherein the inner surface of the fifth connecting unit 31 at the end of the third through hole away from the sixth connecting unit 32 is provided with a fifth screw thread. The third thread 321 is also used to connect the fifth thread, so that the third connection 3 can be connected end to end, thereby meeting the drilling requirement in length.

Furthermore, the aperture of the fifth screw thread is consistent with that of the fourth screw thread, so that the drill rod device can be conveniently installed.

Furthermore, the aperture of the third through hole needs to be matched with the core taking pipe.

It will be apparent to those skilled in the art that changes and modifications may be made to the present invention without departing from the spirit and scope of the embodiments of the invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A combination double tube reducer union, its characterized in that includes:

a first connection for connecting a retaining wall sleeve;

one end of the second connecting part is used for connecting the drill bit device, and the other end of the second connecting part is used for connecting the drill rod device;

the first connecting portion is fixedly sleeved on the outer surface of the second connecting portion.

2. The composite double tube reducer union according to claim 1, wherein the first connection portion further comprises a first through hole radially penetrating the first connection portion.

3. The dual pipe reducer union according to claim 2, wherein the first connection portion comprises a first connection unit and a second connection unit, the first connection unit is configured as a cylinder, the second connection unit is configured as a cylinder, the first connection unit has a diameter larger than that of the second connection unit, and the first connection unit and the second connection unit are concentrically disposed.

4. The composite double pipe reducer union according to claim 3, wherein the second connection unit is provided at an outer surface thereof with a first thread for connecting the retaining sleeve.

5. The composite double tube reducer union of claim 2, wherein the second connection portion further comprises a second through hole that extends radially through the second connection portion.

6. The dual-tube reducer union according to claim 5, wherein the second connecting portion further comprises a third connecting unit and a fourth connecting unit, the third connecting unit is configured as a cylinder, the fourth connecting unit is configured as a cylinder, the diameter of the third connecting unit is larger than that of the fourth connecting unit, and the third connecting unit and the fourth connecting unit are concentrically arranged.

7. The composite double pipe reducer union according to claim 6, wherein the outer surface of the fourth connection unit is provided with a second thread.

8. The composite double-pipe reducer union according to claim 6, wherein a thread unit adapted to the drill rod device is arranged in the second through hole at one end of the fourth connection unit, which is far away from the third connection unit.

9. The composite double pipe reducer union according to claim 6, wherein the first through hole has a diameter larger than an outer diameter of the third connection unit.

10. A drilling apparatus characterized by: the drilling apparatus equipped with the composite double pipe reducer union according to any one of claims 1 to 9, the drilling apparatus being capable of connecting a retaining wall casing and a drill bit means at the same time.