CN216988856U

CN216988856U - Drilling washing unit

Info

Publication number: CN216988856U
Application number: CN202220528128.5U
Authority: CN
Inventors: 王平; 张枝华; 杨树宝; 陈安军; 余姝; 吴晓宾; 郑涛; 谭真艳
Original assignee: Chongqing 2008 Geological Environment Research Institute Co ltd
Current assignee: Chongqing 2008 Geological Environment Research Institute Co ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-07-19
Anticipated expiration: 2032-03-11

Abstract

The utility model discloses a drilling hole flushing device which comprises an annular high-pressure nozzle, a front-end propelling head, a high-pressure water pipe and a rear-end supporting rod, wherein the rear end of the front-end propelling head is fixedly connected with the front end of the rear-end supporting rod, the annular high-pressure nozzle is detachably connected with the front end of the front-end propelling head, a circle of spray holes are formed in the annular high-pressure nozzle along the circumferential direction of the annular high-pressure nozzle, the front-end propelling head is arranged in a hollow mode, through holes are formed in the front end and the rear end of the front-end propelling head, one end of the high-pressure water pipe penetrates through the front-end propelling head to be communicated with the annular high-pressure nozzle, the other end of the high-pressure water pipe is communicated with a high-pressure cleaning machine, the middle of the high-pressure water pipe is fixed on the rear-end supporting rod through a plurality of annular buckles, and at least two rows of pulleys are arranged on the outer side of the front-end propelling head along the circumferential direction. The equipment is convenient rapid, can effectively wash the drilling inner wall, is convenient for follow-up inside geological conditions of drilling of looking over.

Description

Drilling washing unit

Technical Field

The utility model relates to the technical field of drilling, in particular to a drilling hole flushing device.

Background

The application of high definition photography technique in the lower hole is comparatively extensive, stretches into downthehole the geological conditions that can look over the drilling through high definition digtal camera to obtain some data of drilling normal position. However, no matter the down-the-hole hammer is used for rapid hole forming or the conventional core drilling is carried out, the inner wall of a drill hole is often accompanied by more rock powder, the conventional solution is to adopt a water pump to wash the hole, and then adopt alum to purify the water quality in the hole. By adopting the mode, the cleaning effect of the drill hole with deeper depth is poor, so that the final photographic effect is poor, and the design expectation cannot be reached.

SUMMERY OF THE UTILITY MODEL

The utility model aims to at least solve the technical problems in the prior art, and particularly provides a drilling hole flushing device which is convenient and rapid to assemble, can effectively clean the inner wall of a drilling hole and is convenient for subsequently checking the geological condition in the drilling hole.

In order to achieve the purpose, the utility model provides a drilling hole flushing device which comprises an annular high-pressure spray head, a front-end propelling head, a high-pressure water pipe and a rear-end support rod, wherein the rear end of the front-end propelling head is fixedly connected with the front end of the rear-end support rod, the annular high-pressure spray head is detachably connected with the front end of the front-end propelling head, a circle of spray holes are formed in the annular high-pressure spray head along the circumferential direction of the annular high-pressure spray head, the front-end propelling head is arranged in a hollow mode, through holes are formed in the front end and the rear end of the front-end propelling head, one end of the high-pressure water pipe penetrates through the front-end propelling head to be communicated with the annular high-pressure spray head, the other end of the high-pressure water pipe is communicated with a high-pressure cleaning machine, the middle of the high-pressure water pipe is fixed on the rear-end support rod through a plurality of annular buckles, and at least two rows of pulleys are arranged on the outer side of the front-end propelling head along the circumferential direction of the front-end propelling head.

In the scheme, the method comprises the following steps: the two adjacent rows of pulleys are arranged on the front-end propelling head in a staggered mode, so that the abdication performance is enhanced, and the front-end propelling head is prevented from being clamped due to a lug at a certain position in a drilling hole.

In the scheme, the method comprises the following steps: the rear end supporting rod is formed by connecting and combining a plurality of combined pipes end to end. The length of rear end bracing piece can be adjusted wantonly, is applicable to the drilling of the different degree of depth.

In the scheme, the method comprises the following steps: the outer side wall of one end of each combined pipe is provided with external threads, the inner side wall of the other end of each combined pipe is provided with internal threads matched with the external threads, and the combined pipes are connected end to end through the external threads and the internal threads. The assembly is simple and convenient, and the installation is rapid.

In the scheme, the method comprises the following steps: the combined pipe adopts a stainless steel pipe with the outer diameter of 48mm and the inner diameter of 38mm, and the material is simple and easy to obtain.

In the scheme, the method comprises the following steps: the rear end support rod is welded and fixed with the front end propelling head together.

In the scheme, the method comprises the following steps: the annular high-pressure sprayer is provided with a threaded hole for mounting a high-pressure water pipe, the outer side wall of one end of the high-pressure water pipe is provided with a mounting thread matched with the threaded hole, the annular high-pressure sprayer is convenient to assemble, the mounting efficiency is improved, the mounting time is saved, and the annular high-pressure sprayer and the high-pressure water pipe are mounted through the threads, so that the annular high-pressure sprayer is simple to operate and convenient to mount.

In the scheme, the method comprises the following steps: an annular gasket is arranged between the annular high-pressure spray head and the front-end propelling head in a cushioning mode, and abrasion between the annular high-pressure spray head and the front-end propelling head is reduced.

In the scheme, the method comprises the following steps: the outer diameter of the rear end supporting rod is smaller than the width of the front end propelling head, so that a space for the high-pressure water pipe to penetrate out is reserved, and the high-pressure water pipe can penetrate out and be fixed on the rear end supporting rod conveniently.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. the pulley that sets up on the front end propulsion head through pulley and the contact of drilling inner wall, reduces the friction, can also easily pass through in the anomalous condition in drilling pore wall, can separate the front end propulsion head with the drilling inner wall simultaneously, avoids the front end propulsion head to receive to collide with, also can be applicable to the drilling under the different construction process, and application scope is wide.

2. The annular high-pressure nozzle who sets up combines current high pressure cleaner on the market, can carry out high pressure cleaning in the drilling, and the round orifice that sets up can carry out 360 high pressure to the drilling inside wall and wash.

3. Fast assembly, convenient to carry, simultaneously, cyclic annular high pressure nozzle can dismantle and connect on the front end propulsion head, can pull down after the washing finishes to install the camera that its follow-up is used for shooing the drilling internal conditions on the front end propulsion head, also can assist the wave speed test of the downthehole different degree of depth of drilling.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

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

FIG. 2 is a schematic view of a unitizing tube;

fig. 3 is a schematic view showing the connection of the high-pressure water pipe to the annular high-pressure nozzle.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

As shown in fig. 1-3, a borehole flushing device comprises an annular high-pressure spray head 1, a front end propelling head 4, a high-pressure water pipe 2 and a rear end support rod 5. The rear end of the front end propelling head 4 is welded and fixed with the front end of the rear end supporting rod 5, and the annular high-pressure nozzle 1 is detachably connected with the front end of the front end propelling head 4.

The annular high-pressure nozzle 1 is provided with a circle of spray holes along the circumferential direction, the front-end propelling head 4 is arranged in a hollow manner, and the front end and the rear end of the front-end propelling head 4 are provided with through holes through which the high-pressure water pipe 2 passes. One end of the high-pressure water pipe 2 penetrates through the front end propelling head 4 to be communicated with the annular high-pressure spray head 1, and the other end of the high-pressure water pipe is communicated with the high-pressure cleaning machine. The middle part of the high-pressure water pipe 2 is fixed on the rear end support rod 5 through a plurality of annular buckles 6. Preferably, the outer diameter of the rear support rod 5 is smaller than the width of the front propelling head 4, and the rear support rod 5 is disposed near one side of the front propelling head 4, so as to leave a space for the through hole for the high pressure water pipe 2 to pass through, so that the high pressure water pipe 2 can be directly arranged in parallel with the rear support rod 5 after passing through the front propelling head 4.

Specifically, the annular high-pressure nozzle 1 is provided with a threaded hole for mounting the high-pressure water pipe 2, and the outer side wall of one end of the high-pressure water pipe 2 is provided with a mounting thread matched with the threaded hole. The equipment is convenient, improves the installation effectiveness, saves installation time. The annular high-pressure spray head 1 and the high-pressure water pipe 2 are installed through threads, so that the operation is simple and the installation is convenient. In order to reduce the abrasion between the annular high-pressure nozzle 1 and the front end propelling head 4, it is preferable that an annular gasket is padded between the annular high-pressure nozzle 1 and the front end propelling head 4.

In order to make the front-end propelling head 4 more quickly and conveniently extend into the drill hole, the outer side of the front-end propelling head 4 is provided with at least two rows of pulleys 3 along the circumferential direction thereof, the pulleys 3 can contact with the inner wall of the drill hole to separate the front-end propelling head 4 from the inner wall of the drill hole, and the bump impact between the front-end propelling head 4 and the inner wall of the drill hole is avoided. Let and two adjacent rows of pulley 3 stagger the setting on front and back at front end propulsion head 4, asymmetric setting promptly, the reinforcing is let the bit nature, avoids because the lug of somewhere in the drilling to block front end propulsion head 4.

Preferably, the rear support rod 5 is formed by connecting and combining a plurality of combined tubes 5a end to end, and the combined tubes 5a are stainless steel tubes with an outer diameter of 48mm, an inner diameter of 38mm and a length of 1500 mm. The length of the rear end supporting rod 5 can be adjusted at will, and the drilling machine is suitable for drilling holes in different depths. The outer side wall of one end of each combined pipe 5a is provided with an external thread 5b, the inner side wall of the other end of each combined pipe is provided with an internal thread 5c matched with the external thread 5b, and the combined pipes are connected end to end through the external threads 5b and the internal threads 5 c. The assembly is simple and convenient, and the installation is rapid.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A borehole flushing arrangement, characterized by: comprises an annular high-pressure spray head (1), a front-end propelling head (4), a high-pressure water pipe (2) and a rear-end supporting rod (5), the rear end of the front end propelling head (4) is fixedly connected with the front end of the rear end supporting rod (5), the annular high-pressure spray head (1) is detachably connected with the front end of the front-end propelling head (4), a circle of spray holes are arranged on the annular high-pressure spray head (1) along the circumferential direction of the annular high-pressure spray head, the front-end propelling head (4) is arranged in a hollow way, the front end and the rear end of the front end propelling head (4) are respectively provided with a through hole, one end of the high-pressure water pipe (2) passes through the front end propelling head (4) to be communicated with the annular high-pressure spray head (1), the other end of the high-pressure water pipe is communicated with the high-pressure cleaning machine, the middle part of the high-pressure water pipe (2) is fixed on the rear end support rod (5) through a plurality of annular buckles (6), the outer side of the front end propelling head (4) is provided with at least two rows of pulleys (3) along the circumferential direction.

2. A borehole flushing device according to claim 1, characterized in that: two adjacent rows of pulleys (3) are staggered from front to back on the front end propelling head (4).

3. A borehole flushing device according to claim 1, characterized in that: the rear end supporting rod (5) is formed by connecting and combining a plurality of combined pipes (5a) end to end.

4. A borehole flushing device according to claim 3, characterized in that: the outer side wall of one end of each combined pipe (5a) is provided with an external thread (5b), the inner side wall of the other end of each combined pipe is provided with an internal thread (5c) matched with the external thread (5b), and the combined pipes are connected end to end through the external thread (5b) and the internal thread (5 c).

5. A borehole flushing device according to claim 3, characterized in that: the combined pipe (5a) adopts a stainless steel pipe with the outer diameter of 48mm and the inner diameter of 38 mm.

6. A borehole flushing device according to claim 3, characterized in that: the rear end support rod (5) and the front end propelling head (4) are welded and fixed together.

7. A borehole flushing device according to claim 1, characterized in that: the annular high-pressure nozzle (1) is provided with a threaded hole for mounting the high-pressure water pipe (2), and the outer side wall of one end of the high-pressure water pipe (2) is provided with a mounting thread matched with the threaded hole.

8. A borehole flushing device according to claim 7, characterized in that: an annular gasket is arranged between the annular high-pressure spray head (1) and the front-end propelling head (4).

9. A borehole flushing device according to claim 1, characterized in that: the outer diameter of the rear end support rod (5) is smaller than the width of the front end propelling head (4).