CN210530768U

CN210530768U - Drill bit stable double-channel slag collecting and discharging device

Info

Publication number: CN210530768U
Application number: CN201921458462.2U
Authority: CN
Inventors: 高嘉憶; 高九华; 张玉柱
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-05-15
Anticipated expiration: 2029-09-04

Abstract

The utility model provides a drill bit stable double-channel slag collecting and discharging device, wherein an outer tube is arranged inside a stable tube; the outer pipe and the stabilizing pipe are supported by the chamber sieve plate and the chamber closing plate; the cavity sieve plate, the outer pipe, the cavity seal plate and the stabilizing pipe are arranged in an enclosing manner to form a slag collecting and discharging cavity; the stabilizing pipe is provided with a first inlet, so that the drill hole is communicated with the inner cavity of the stabilizing pipe; a second inlet is formed in the chamber sieve plate, so that the inner cavity of the stabilizing pipe is communicated with the slag collecting and discharging cavity; a third inlet is formed in the outer pipe; and communicating the slag collecting and discharging cavity with the second channel. Through the combination of receipts sediment chamber and binary channels structure, receive and arrange the sediment chamber and receive the sediment, discharge through the second passageway to the feed liquor separates with the flowing back, can not destroy the drilling, thereby ensures the drilling size. And through the structural setting of stabilizer tube, ensure that the drill bit is unsettled, realize that the drill bit location drilling is off tracking not, improve material discharge efficiency, avoid the sticking of tool.

Description

Drill bit stable double-channel slag collecting and discharging device

Technical Field

The utility model belongs to the technical field of the rig drilling rod, especially, relate to stable binary channels of drill bit receive row sediment device.

Background

The traditional drill rod has a plurality of problems in the using process. As shown in fig. 1, which is a schematic view of a conventional drill pipe structure, a drill bit 96 is connected with a drill pipe 93 and drills into the ground 97, a medium 91 enters from a central through hole 92, and drilled materials 94 are discharged along a gap between the outer surface of a steel pipe of the drill pipe 93 and a drill hole 95. During this process, the flow of media 91 and material 94 may disrupt borehole 95, causing borehole 95 to enlarge and borehole 95 to deviate. In order to solve the above technical problems, the applicant has developed a dual-channel drill rod, which has the following application numbers: 201910037331.5, the dual channel drill rod, though for the most part, addresses the problem of borehole deviation during in-service testing. However, due to the fact that the total amount of the drill bit is large, the drill bit is deviated due to the self weights of the drill bit and the drill rod along with the extension of the drill hole, the problems that the discharging efficiency is reduced, the drill is blocked, the connecting threads are broken off and the like are caused, and the double-channel drill rod still has errors in the distance theory. In order to further reduce the error, a drill bit stable double-channel slag collecting and discharging device is developed.

Disclosure of Invention

In order to solve the technical problem, the utility model discloses a sediment device is received to stable binary channels of drill bit. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.

The utility model adopts the following technical scheme:

in some optional embodiments, the drill bit stabilizing double-channel slag collecting and discharging device comprises an inner tube, an outer tube and a supporting spiral belt, wherein the inner tube is arranged inside the outer tube, a first channel is formed inside the inner tube, and a second channel is formed between the outer surface of the inner tube and the inner surface of the outer tube; a plurality of supporting spiral belts which are parallel to each other are arranged in the second channel, one side surface of each supporting spiral belt is welded on the outer surface of the inner pipe, and the other side surface of each supporting spiral belt is welded on the inner surface of the outer pipe; the device also comprises a stabilizing pipe, a chamber sieve plate and a chamber seal plate; the outer pipe is arranged inside the stabilizing pipe; the outer pipe and the stabilizing pipe are supported by the chamber sieve plate and the chamber closing plate; the cavity sieve plate, the outer tube, the cavity seal plate and the stabilizing tube are arranged in an enclosing mode to form a slag collecting and discharging cavity.

The stabilizing pipe is provided with a first inlet, so that the drill hole is communicated with the inner cavity of the stabilizing pipe;

a second inlet is formed in the chamber sieve plate, so that the inner cavity of the stabilizing pipe is communicated with the slag collecting and discharging cavity;

a third inlet is formed in the outer pipe; communicating the slag collecting and discharging cavity with the second channel;

further, the device also comprises a cavity front end sealing plate and a cavity rear end sealing plate; the cavity front end sealing plate is arranged at the front end of the stabilizing pipe, and two ends of the cavity front end sealing plate are respectively welded with the stabilizing pipe and the outer pipe; the rear end closing plate is arranged at the rear end of the stabilizing pipe, and two ends of the rear end closing plate are respectively welded with the stabilizing pipe and the outer pipe.

Furthermore, the device also comprises a front guide plate and a rear guide plate; the rear guide plate is of a taper sleeve structure, is sleeved on the outer pipe and is welded with the outer pipe and the stabilizing pipe; the front guide plate is obliquely installed between the stabilizing pipe and the outer pipe and welded with the outer pipe and the stabilizing pipe.

Further, the number of the supporting spiral bands is 1 to 4.

Furthermore, an extension pipe is arranged at the front end of the inner pipe, external threads are formed on the outer surface of the extension pipe, and internal threads are formed on the inner surface of the rear end of the inner pipe.

The utility model discloses the beneficial effect who brings: through the combination of receipts sediment chamber and binary channels structure, receive and arrange the sediment chamber and receive the sediment, discharge through the second passageway to the feed liquor separates with the flowing back, can not destroy the drilling, thereby ensures the drilling size. And through the structural setting of stabilizer tube, ensure that the drill bit is unsettled, realize that the drill bit location drilling is off tracking not, improve material discharge efficiency, avoid the sticking of tool.

For the purposes of the foregoing and related ends, the following description and the annexed drawings set forth in detail certain illustrative aspects and are indicative of but a few of the various ways in which the principles of the various embodiments may be employed. Other benefits and novel features will become apparent from the following detailed description when considered in conjunction with the drawings and the disclosed embodiments are intended to include all such aspects and their equivalents.

Drawings

FIG. 1 is a schematic structural view of a conventional drill rod during drilling;

FIG. 2 is a schematic front view of a drill bit stabilizing double-channel slag collecting and discharging device;

FIG. 3 is a right side view of FIG. 2;

FIG. 4 is a view from the C-C direction of FIG. 3;

FIG. 5 is a schematic cross-sectional view of a drill bit stabilizing double-channel slag collecting and discharging device;

FIG. 6 is a view from direction D-D of FIG. 2;

FIG. 7 is a view from E-E of FIG. 2;

FIG. 8 is a schematic view of a stabilizer tube;

FIG. 9 is a view from direction F-F of FIG. 8;

FIG. 10 is a schematic structural view of an outer tube and an inner tube;

FIG. 11 is a view from the direction G-G of FIG. 10;

fig. 12 is a working schematic diagram.

Detailed Description

The following description and the drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others.

In some illustrative embodiments, as shown in fig. 2-11, the drill stabilizing dual channel slag receiving and discharging device comprises an inner tube 1, an outer tube 2, a support helical band 3, a front guide plate 4, a chamber front end seal plate 5, a stabilizing tube 6, a chamber screen plate 7, a chamber seal plate 8, a chamber rear end seal plate 9, and a rear guide plate 10. The inner tube 1 is arranged inside the outer tube 2, the inner tube 1 forming a first channel 107 inside and a second channel 108 between the outer surface of the inner tube 1 and the inner surface of the outer tube 2. A plurality of supporting spiral belts 3 which are parallel to each other are arranged in the second channel 108, one side surface of each supporting spiral belt 3 is welded on the outer surface of the inner pipe 1, the other side surface of each supporting spiral belt 3 is welded on the inner surface of the outer pipe 2, so that a double-channel drill bit is formed, and the medium 101 enters from the first channel 107 and is discharged from the second channel 108. The stabilizer tube 6 is fitted over the outer tube 2 such that the outer tube 2 is located inside the stabilizer tube 6. The stabilizing pipe 6 is provided with a first inlet 105, the chamber sieve plate 7 is provided with a second inlet 104, and the outer pipe 2 is provided with a third inlet 103. The stabilizing pipes 6 are connected with the outer pipe 2 in a supporting way through a chamber sieve plate 7 and a chamber closing plate 8. More specifically, the chamber sieve plate 7 and the chamber closing plate 8 are respectively installed along two axial sides of the first inlet 105 formed in the stabilizing pipe 6, and are respectively welded to the stabilizing pipe 6 and the outer pipe 2 from top to bottom. The chamber screen plate 7 is welded to the edge of the first inlet 105 at a suitable distance. The chamber sieve plate 7, the outer tube 2, the chamber closing plate 8 and the stabilizing tube 6 are arranged in an enclosing manner to form a slag collecting and discharging cavity 106. So that the bore 110 communicates with the inner lumen 102 of the stabilization tube 6, the inner lumen 102 of the stabilization tube communicates with the slag collection and discharge chamber 106, and the slag collection and discharge chamber 106 communicates with the second passage 108.

The cavity front end sealing plate 5 is arranged at the front end of the stabilizing tube 6, and two ends of the cavity front end sealing plate are respectively welded with the stabilizing tube 6 and the outer tube 2 and used for supporting the stabilizing tube 6 and the outer tube 2. And is welded with the chamber sieve plate 7 and the chamber closing plate 8. The cavity rear end closing plate 9 is sleeved at the rear end of the stabilizing pipe 6, and two ends of the cavity rear end closing plate are respectively welded with the stabilizing pipe 6 and the outer pipe 2 and used for supporting the stabilizing pipe 6 and the outer pipe 2. And is welded with the chamber sieve plate 7 and the chamber closing plate 8. The rear guide plate 10 is of a taper sleeve structure, and the rear guide plate 10 is sleeved on the outer pipe 2 and welded with the outer pipe 2 and the stabilizing pipe 6; the front guide plate 4 is installed between the stabilizer tube 6 and the outer tube 2 in an inclined manner and is welded to the outer tube 2 and the stabilizer tube 6.

During operation, the drill bit 12 and the drill rod 11 are installed on the drill bit stable double-channel slag collecting and discharging device, the medium 101 enters from the first channel 107, the drilled material 111 is filtered from the first inlet 105 on the stabilizing pipe 6 through the chamber sieve plate 7 along with the medium 101, enters the chamber 106, and enters the second channel 108 through the third inlet 103 to be discharged, damage of the drilled material 110 and the medium 101 to the drill hole 110 is reduced, and the construction size and accuracy of the drill hole 110 can be guaranteed. In the process, the material and the medium 101 are pushed to be discharged along the second channel 108 by rotating the supporting spiral belt 3, so that the material is discharged continuously, the discharging efficiency is improved, the material is discharged more laborsavingly, and the power consumption of the drilling machine is reduced. At the same time the stabilizer tube 6 is supported over a large area for positioning the drill bit 12.

In an alternative embodiment, the number of supporting helical bands 3 is 1 to 4.

In an alternative embodiment, the front end of the inner tube 1 is provided with an extension tube, the outer surface of the extension tube is provided with external threads, and the inner surface of the rear end of the inner tube is provided with internal threads, so that the inner tube can be conveniently connected with a drill bit and a drill rod in a threaded mode.

Those of skill would further appreciate that the various illustrative logical blocks, modules, circuits, and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both. To clearly illustrate this interchangeability of hardware and software, various illustrative components, blocks, modules, circuits, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present disclosure.

Claims

1. The drill bit stabilizing double-channel slag collecting and discharging device comprises an inner tube, an outer tube and a supporting spiral belt, wherein the inner tube is arranged inside the outer tube, a first channel is formed inside the inner tube, and a second channel is formed between the outer surface of the inner tube and the inner surface of the outer tube; a plurality of supporting spiral belts which are parallel to each other are arranged in the second channel, one side surface of each supporting spiral belt is welded on the outer surface of the inner pipe, and the other side surface of each supporting spiral belt is welded on the inner surface of the outer pipe; the method is characterized in that: the device also comprises a stabilizing pipe, a chamber sieve plate and a chamber seal plate; the outer pipe is arranged inside the stabilizing pipe; the outer pipe and the stabilizing pipe are supported by the chamber sieve plate and the chamber closing plate; the cavity sieve plate, the outer pipe, the cavity seal plate and the stabilizing pipe are arranged in an enclosing manner to form a slag collecting and discharging cavity; the stabilizing pipe is provided with a first inlet, so that the drill hole is communicated with the inner cavity of the stabilizing pipe; a second inlet is formed in the chamber sieve plate, so that the inner cavity of the stabilizing pipe is communicated with the slag collecting and discharging cavity; a third inlet is formed in the outer pipe; and communicating the slag collecting and discharging cavity with the second channel.

2. The drill bit stabilizing dual channel slag collecting and discharging device as claimed in claim 1, further comprising a cavity front end sealing plate and a cavity rear end sealing plate; the cavity front end sealing plate is arranged at the front end of the stabilizing pipe, and two ends of the cavity front end sealing plate are respectively welded with the stabilizing pipe and the outer pipe; the rear end closing plate is arranged at the rear end of the stabilizing pipe, and two ends of the rear end closing plate are respectively welded with the stabilizing pipe and the outer pipe.

3. The drill bit stabilizing dual channel slag collecting and discharging device of claim 2, further comprising a front guide plate and a rear guide plate; the rear guide plate is of a taper sleeve structure, is sleeved on the outer pipe and is welded with the outer pipe and the stabilizing pipe; the front guide plate is obliquely installed between the stabilizing pipe and the outer pipe and welded with the outer pipe and the stabilizing pipe.

4. The drill bit stabilizing double passage slag collecting and discharging device as claimed in claim 3, wherein the number of the supporting helical bands is 1 to 4.

5. The drill bit stable double-channel slag collecting and discharging device as claimed in claim 4, wherein the front end of the inner pipe is provided with an extension pipe with an external thread on the outer surface, and the inner surface of the rear end of the inner pipe is provided with an internal thread.