CN210317167U

CN210317167U - Reamer for geological survey

Info

Publication number: CN210317167U
Application number: CN201920952121.4U
Authority: CN
Inventors: 朱宝存; 张彪; 魏甜; 姬朝辉; 杜博野; 张童
Original assignee: Beijing Dadi Gaoke Geological Exploration Co ltd
Current assignee: Beijing Dadi Gaoke Geological Exploration Co ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-04-14
Anticipated expiration: 2029-06-21

Abstract

The utility model discloses an underreamer for geological exploration, including the reaming pipe, supporting pipe in the reaming pipe, be equipped with reaming pipe body in the middle of the reaming pipe, the front end of reaming pipe body has seted up the elastic groove, fixed the inlaying is furnished with the diamond sword on the surface of reaming pipe body front end, seted up the guiding gutter on the diamond sword, the internal surface of reaming pipe body front end is seted up there is the internal thread, the surface of reaming pipe body rear end has seted up external screw thread I, the middle of supporting pipe is equipped with supporting pipe body, the surface of supporting pipe body front end has seted up external screw thread II; through split type threaded connection, the diameter of the reamed hole can be changed by adjusting threads according to needs; through the split type connection of reaming pipe and supporting pipe, after one of them part wearing and tearing, can change, and then make whole reamer continue to use, improved the reuse rate of part, improved the life of reamer simultaneously.

Description

Reamer for geological survey

Technical Field

The utility model relates to an enlarger specifically is an enlarger that geological survey used.

Background

The reamer is connected between the diamond-edge drill bit and the core tube, and plays a role in expanding the aperture and trimming the aperture wall to ensure that the aperture is not reduced. The reamer is a short column-shaped pipe body, the upper steel body part and the lower steel body part are respectively connected with the drill bit and the core barrel through screw threads, the middle part is a superhard material matrix covered with the diamond blade, the outer diameter of the superhard material matrix is slightly larger than the diameter (about 0.5 mm to 2 mm) of the diamond blade drill bit, and a water passing trough is arranged on the side surface of the matrix to enable water flow to pass through. In extremely hard and abrasive rock formations, it is also known to use two or more reamers, spaced between the core barrel, except for one at the top of the drill bit, however,

1. in the prior art, the reamer generally only has fixed round pipes with a plurality of diameters, and the selectable range is small;

2. the reamer in the prior art is of an integrated structure, and after part of the reamer is lost, the whole reamer needs to be replaced, so that the reuse rate of parts is reduced.

Accordingly, one skilled in the art provides a reamer for geological exploration to solve the problems set forth in the above background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a enlarger that geological survey used 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 reamer that geological survey was used, includes the reaming pipe, the supporting pipe in the reaming pipe, the centre of reaming pipe is equipped with reaming pipe body, the elastic groove has been seted up to the front end of reaming pipe body, the fixed diamond blade that is furnished with of inlaying on the surface of reaming pipe body front end, the guiding gutter has been seted up on the diamond blade, the internal surface of reaming pipe body front end is seted up there is the internal thread, external screw thread I has been seted up to the surface of reaming pipe body rear end, the centre of supporting pipe is equipped with supporting pipe body, external screw thread II has been seted up to the surface of supporting pipe body front end, the rear end fixedly connected with regulating block of supporting pipe body, the rear end fixedly connected with screwed pipe of regulating block.

As a further aspect of the present invention: the threaded pipe is conical, and the threads on the threaded pipe are conical threads.

As a further aspect of the present invention: the number of the elastic grooves is six, and the front end of the reaming pipe body is equally divided into six sections by the elastic grooves.

As a further aspect of the present invention: the water guide grooves are obliquely formed in the diamond blade, and the number of the water guide grooves is six.

As a further aspect of the present invention: the thread of the internal thread is a conical thread, and the internal thread is in threaded connection with the threaded pipe.

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

1. through split type threaded connection, the diameter of the reamed hole can be changed by adjusting threads according to needs;

2. through the split type connection of reaming pipe and supporting pipe, after one of them part wearing and tearing, can change, and then make whole reamer continue to use, improved the reuse rate of part, improved the life of reamer simultaneously.

Drawings

FIG. 1 is a schematic side-on-axis view of an underreamer assembly for geological exploration;

fig. 2 is a schematic axial view of a reamer for geological exploration;

fig. 3 is a schematic axial view of a casing provided in a reamer for geological exploration.

In figure 1, a reamer tube; 2. matching a sleeve; 101. reaming the pipe body; 102. a diamond blade; 103. a water chute; 104. an external thread I; 105. an elastic groove; 106. an internal thread; 201. a mating tube body; 202. an external thread II; 203. a threaded pipe; 204. and a regulating block.

Detailed Description

Referring to fig. 1 to 3, in the embodiment of the present invention, a reamer for geological exploration includes a reamer 1, a mating pipe 2 in the reamer 1, a reamer body 101 disposed in the middle of the reamer 1, an elastic groove 105 disposed at the front end of the reamer body 101, a diamond blade 102 fixedly embedded on the outer surface of the front end of the reamer body 101, a water guiding groove 103 disposed on the diamond blade 102, an internal thread 106 disposed on the inner surface of the front end of the reamer body 101, an external thread I104 disposed on the outer surface of the rear end of the reamer body 101, a mating pipe body 201 disposed in the middle of the mating pipe 2, an external thread II 202 disposed on the outer surface of the front end of the mating pipe body 201, an adjusting block 204 fixedly connected to the rear end of the mating pipe body 201, a threaded pipe 203 fixedly connected to the rear end of the adjusting block 204, when adjusting the size of the orifice of the reamer 1, the threaded pipe 203 is first selected into the internal thread 106, then, the wrench is used to clamp the adjusting block 204 to continue screwing the threaded pipe 203 into the internal thread 106, so that the orifice of the reaming pipe 1 is enlarged.

In the drawings, the threaded pipe 203 is conical and the threads on the threaded pipe 203 are tapered threads, which enhance the strength of the connection between the reamer 1 and the mating pipe 2.

In the figure, the number of the elastic grooves 105 is six, and the front end of the reaming pipe body 101 is uniformly divided into six sections by the elastic grooves 105, so that when the front end of the reaming pipe 1 is expanded, each section can be uniformly stressed.

In the figure, the water guide grooves 103 are obliquely formed on the diamond blades 102, and the number of the water guide grooves 103 is six, so that each diamond blade 102 can be cooled by water flow, and the diamond blades 102 can be effectively prevented from being damaged due to overheating during working.

In the drawings, the thread of the internal thread 106 is a tapered thread, and the internal thread 106 is screwed with the threaded pipe 203, so that the connection strength between the reaming pipe 1 and the mating pipe 2 is improved, and the threaded pipe 203 at the end of the mating pipe 2 plays a role in expanding the front end of the reaming pipe 1.

The utility model discloses a theory of operation is: match threaded pipe 203 and internal thread 106 earlier, then screw through regulating block 204 with the spanner, simultaneously according to the spiro union length of adjusting threaded pipe 203 and internal thread 106 adjust the reaming aperture of required diamond blade 102, then link to each other external screw thread I104 and core barrel, link to each other external screw thread II 202 and drill bit, in operation, rivers pass through guiding gutter 103, take away the heat of diamond blade 102 during operation, prevent diamond blade 102 because overheated and damage, whole enlarger comprises reaming pipe 1 and auxiliary sleeve 2, after wearing and tearing appear in one of them part, can dismantle the replacement with this part, and then improved the reuse rate of part, and the life of enlarger has been improved.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A reamer for geological exploration comprises a reamer pipe (1) and a matching pipe (2) in the reamer pipe (1), and is characterized in that a reamer pipe body (101) is arranged in the middle of the reamer pipe (1), an elastic groove (105) is formed in the front end of the reamer pipe body (101), a diamond blade (102) is fixedly embedded on the outer surface of the front end of the reamer pipe body (101), a water guide groove (103) is formed in the diamond blade (102), internal threads (106) are formed in the inner surface of the front end of the reamer pipe body (101), external threads I (104) are formed in the outer surface of the rear end of the reamer pipe body (101), a matching pipe body (201) is arranged in the middle of the matching pipe (2), external threads II (202) are formed in the outer surface of the front end of the matching pipe body (201), and an adjusting block (204) is fixedly connected to the rear end of the matching pipe body (201), the rear end of the adjusting block (204) is fixedly connected with a threaded pipe (203).

2. A reamer for geological exploration, according to claim 1, characterized in that said threaded pipe (203) is conical and the threads on the threaded pipe (203) are conical threads.

3. A reamer for geological exploration, according to claim 1, characterized in that said elastic grooves (105) number six, and said elastic grooves (105) divide the front end of the reamer body (101) equally into six lobes.

4. A reamer for geological exploration, according to claim 1, wherein said water guiding channels (103) are obliquely provided on the diamond blade (102), and the number of water guiding channels (103) is six.

5. A reamer for geological exploration, according to claim 1, characterized in that said internal thread (106) has a tapered thread and in that said internal thread (106) is screwed with a threaded pipe (203).