CN220353836U

CN220353836U - Dust-free drilling machine

Info

Publication number: CN220353836U
Application number: CN202321557804.2U
Authority: CN
Inventors: 聂开红; 宋永朋; 张所邦; 杨怡; 刘芙蓉; 赵子栋; 陈维保; 李晓文; 吴乐泉; 周鹏飞
Original assignee: Hubei Exi New Energy Co ltd
Current assignee: Hubei Exi New Energy Co ltd
Priority date: 2023-06-19
Filing date: 2023-06-19
Publication date: 2024-01-16
Anticipated expiration: 2033-06-19

Abstract

The utility model discloses a dust-free drilling machine, and belongs to the technical field of exploration. Including rig, basin, high-pressure water supply structure, well bore intubate top and big end down's awl section of thick bamboo cover, well bore intubate upper portion and the dust exhaust pipe that sets up downwards in the slant, the sealed soft board of awl section of thick bamboo cover bottom, the interior main shower nozzle of dust exhaust pipe and a plurality of auxiliary shower nozzles on upper portion of awl section of thick bamboo cover, the drilling rod of rig passes awl section of thick bamboo cover and well bore intubate from top to bottom in proper order, be equipped with the through-hole that supplies the drilling rod to pass on the sealed soft board, a plurality of auxiliary shower nozzles encircle the drilling rod setting and its orientation through-hole sprays, main shower nozzle sets up and its slant down along dust exhaust pipe place direction, main shower nozzle and auxiliary shower nozzle pass through the pipeline and are connected with high-pressure water supply structure, the liquid level of basin is lower and its end-to-end connection through hose and dust exhaust pipe. The structure is simple, and the carrying is convenient; the hydraulic ejection is adopted to guide dust flow, and a fan is not required to be arranged; the water is adopted for dust removal, a dust collecting bag is not required to be cleaned, and the sewage after tail gas treatment can be used in drilling.

Description

Dust-free drilling machine

Technical Field

The utility model belongs to the technical field of exploration, and particularly relates to a dust-free drilling machine.

Background

Geological exploration is to survey and detect geology by various means and methods, determine a proper bearing layer, determine a foundation type according to the foundation bearing capacity of the bearing layer, and calculate investigation and research activities of foundation parameters. The method is used for finding out mineral deposits with industrial significance in mineral screening, providing mineral reserves and geological data required by mine construction design and researching geological conditions such as rock, stratum, structure, mineral, hydrology, landform and the like in a certain area in order to find out the quality and quantity of mineral and the technical conditions of exploitation and utilization. A drilling machine is a device which is necessary for geological exploration and is used for obtaining soil and rock in the deep layers of the earth. When the drilling machine is used for initially drilling holes, dust can be generated, so that not only is air polluted, but also the health of operators is endangered, and therefore, the dust generated during the working of the drilling machine needs to be treated by the dust removing device.

The patent of application number CN202121186461.4 discloses a drilling machine with a cooling and dust removing structure, comprising:

the telescopic inner wall swing joint has the lifter, and the circumference outer wall of lifter is fixed with the protection casing, the circumference inner wall of protection casing is fixed with the interception net, the inner wall of protection casing is located the below of interception net and is fixed with the annular pipe, and the circumference outer wall fixed mounting of annular pipe has the atomizer that the equidistance distributes, open the top outer wall of protection casing has the dust absorption hole, and the one end of dust absorption hole is fixed with the second connecting pipe, the one end of second connecting pipe is fixed with the filter screen, and the circumference outer wall of second connecting pipe is close to the one end of filter screen and is fixed with the collecting box.

And one end of the filter screen is connected with the input end of the fan through a third connecting pipe.

The output end of the fan is fixed with a first connecting pipe, and one end of the first connecting pipe is connected with the dust collecting bag.

The applicant found the following problems when using the aforementioned drilling machine:

(1) The field exploration is generally inconvenient in traffic, and the existing dust removing equipment is complex in structure and inconvenient to carry;

(2) The fan is required to be arranged, so that the volume is large, and the energy consumption is high;

(3) The dust collecting bag needs to be replaced or cleaned, and the field exploration conditions are hard and difficult.

Disclosure of Invention

In order to solve the problems, the embodiment of the utility model provides a dust-free drilling machine, which has a simple structure and is convenient to carry; the hydraulic ejection is adopted to guide dust flow, and a fan is not required to be arranged; the water is adopted for dust removal, a dust collecting bag is not required to be cleaned, and the sewage after tail gas treatment can be used in drilling. The technical scheme is as follows:

the embodiment of the utility model provides a dust-free drilling machine, which comprises a drilling machine 19, a water tank, a high-pressure water supply structure, a well-hole insertion pipe 1, a conical barrel sleeve 2, a dust discharging pipe 3, a sealing soft plate 4, a main spray head 5 and a plurality of auxiliary spray heads 6, wherein the drilling machine 19, the water tank, the high-pressure water supply structure, the well-hole insertion pipe 1, the conical barrel sleeve 2, the sealing soft plate 4, the dust discharging pipe 3, the main spray head 5 and the auxiliary spray heads 6 are arranged on the top of the well-hole insertion pipe 1 in a direction in which the dust discharging pipe 3 is arranged, the inclined downward spraying direction of the auxiliary spray heads are arranged, the dust discharging pipe 3 is connected with the high-pressure water supply structure through pipelines, the liquid level of the drilling machine 19 is lower than that of the dust discharging pipe 3, and the drilling rod 7 sequentially passes through the conical barrel sleeve 2 and the well-hole insertion pipe 1 from top to bottom, through holes for the drilling rod 7 are arranged on the sealing soft plate 4, the plurality of auxiliary spray heads 6 are arranged around the drilling rod 7 and spray towards the through holes, the main spray heads 5 are arranged along the direction in which the dust discharging pipe 3, and the inclined downward spraying direction is connected with the tail end of the dust discharging pipe 3 through the hose.

The borehole cannula 1 in the embodiment of the utility model is a circular tube matched with the inner wall of the borehole 20, the middle part of the outer wall of the borehole cannula is coaxially provided with a fixed base 8, and the lower part of the fixed base is inserted into the borehole 20; the fixed base 8 is arranged on the ground, the cone sleeve 2 and the dust exhaust pipe 3 are both positioned above the ground, the cone sleeve 2 and the well bore insertion pipe 1 are coaxially arranged, the closed soft board 4 is horizontally arranged, and a gap is reserved between the through hole and the drill rod 7.

Further, a lower flange 9 is coaxially arranged at the top of the wellbore cannula 1 in the embodiment of the utility model, an upper flange 10 matched with the lower flange 9 is coaxially arranged at the bottom of the conical sleeve 2, the closed soft board 4 is an annular rubber board coaxially arranged with the drill rod 7 and is arranged between the upper flange 10 and the lower flange 9, and the upper flange 10 and the lower flange 9 are fixed through bolts.

Further, an annular pipe 11 is coaxially arranged at the upper part in the conical cylinder sleeve 2 in the embodiment of the utility model, the annular pipe 11 is arranged outside the drill rod 7 and is connected with a high-pressure water supply structure through a pipeline, and the auxiliary spray head 6 is arranged at the lower side of the annular pipe 11.

Further, the dust exhaust pipe 3 in the embodiment of the utility model is provided with an L-shaped pipe 12; one arm of the L-shaped pipe 12 is arranged perpendicular to the dust discharging pipe 3, and the outer end of the L-shaped pipe penetrates out of the dust discharging pipe 3 and is connected with a high-pressure water supply structure through a pipeline; the other arm of the L-shaped pipe 12 is arranged along the dust discharging pipe 3, is arranged at the axis of the dust discharging pipe 3, and is provided with a main spray head 5 at the lower end.

Specifically, the high-pressure water supply structure in the embodiment of the utility model is connected with the inlet of the tee pipe 14 through the main pipe 13 with the first valve 16; one outlet of the tee 14 is connected with the annular pipe 11 through a branch pipe 15 with a second valve 17, and the other outlet is connected with the L-shaped pipe 12 through a branch pipe 15 with a third valve 18.

The technical scheme provided by the embodiment of the utility model has the beneficial effects that: the embodiment of the utility model provides a dust-free drilling machine, which has a simple structure and is convenient to carry; the hydraulic ejection is adopted to guide dust flow, and a fan is not required to be arranged; the water is adopted for dust removal, a dust collecting bag is not required to be cleaned, and the sewage after tail gas treatment can be used in drilling. In addition, when drilling begins, the negative pressure guiding capability of the main spray head is weak, and the dust removing effect is ensured by opening the auxiliary spray head; when the negative pressure guiding capability of the main spray head (after a period of use) reaches the requirement, the auxiliary spray head can be closed (or not closed) to reduce the energy consumption. Only when the main spray head and the auxiliary spray head are started, the main spray head is started after a period of time, and the energy consumption is low relative to the air blower. The drilling reaches a certain depth, and the main spray head and the auxiliary spray head can be closed. The conical sleeve is detachably connected with the well bore cannula, so that the transportation is facilitated, and the conical sleeve can be removed when dust removal is not needed.

Drawings

FIG. 1 is a schematic view of a dust free drilling rig according to an embodiment of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a schematic view of the combination of the dust exhaust pipe and the main nozzle.

In the figure: 1 well bore insertion pipe, 2 cone sleeve, 3 dust exhaust pipe, 4 closed soft board, 5 main spray head, 6 auxiliary spray head, 7 drill pipe, 8 fixed base, 9 lower flange, 10 upper flange, 11 annular pipe, 12L pipe, 13 house pipe, 14 three-way pipe, 15 branch pipe, 16 first valve, 17 second valve, 18 third valve, 19 rig, 20 well bore.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.

Example 1

Referring to fig. 1-3, embodiment 1 provides a dust-free drilling machine, which comprises a drilling machine 19, a water tank, a high-pressure water supply structure (water can be a diesel pump, power supply is not needed, a water source is usually needed to be prepared when drilling, the water source for drilling is adopted), a borehole insertion pipe 1 inserted in a borehole 20, a conical sleeve 2 with a large top and a small bottom on the top of the borehole insertion pipe 1, a dust exhaust pipe 3 arranged on the upper part of the borehole insertion pipe 1 obliquely downwards, a sealing soft plate 4 at the bottom of the conical sleeve 2, a main spray head 5 in the dust exhaust pipe 3, an annular pipe 11 on the upper part in the conical sleeve 2, an L-shaped pipe 12 on the dust exhaust pipe 3, a plurality of auxiliary spray heads 6 on the upper part in the conical sleeve 2 and the like. Wherein the drill rod 7 of the drilling machine 19 sequentially passes through the cone sleeve 2 and the borehole casing 1 from top to bottom. The provision of the cone sleeve 2 has at least two functions: the first function is to set the annular pipe 11 and the auxiliary spray head 6; and secondly, the liquid sprayed by the auxiliary spray head 6 is reduced from being sprayed outwards. Preferably, the cone sleeve 2 is removably provided on the wellbore cannula 1. The sealing soft board 4 is provided with a through hole for the drill rod 7 to pass through, the sealing soft board 4 plays a certain sealing role, but the sealing soft board has a gap with the drill rod 7, so that the drill rod 7 is convenient to rotate, water sprayed by the auxiliary spray head 6 is enabled to flow back into the well bore insertion pipe 1, and meanwhile air is introduced when the main spray head 7 conducts drainage. The diameter of the through hole is slightly larger than the diameter of the drill rod 7. A plurality of (3-6) auxiliary spray heads 6 are arranged around the drill rod 7, spray towards the through holes, are arranged on the annular pipe 11, and are evenly distributed around the drill rod 7. The main spray head 5 is arranged along the direction of the dust exhaust pipe 3, sprays obliquely downwards and is arranged on the L-shaped pipe 12. The annular pipe 115 and the L-shaped pipe 12 are connected to a high-pressure water supply structure by a valved pipe, the water level of the water tank (placed on the ground near the well pipe 1 or partially buried in the ground or placed on a lower ground) is lower than that of the dust discharge pipe 3 and it is connected to the end of the dust discharge pipe 3 by a hose (end is put into water). When the main spray head 5 sprays, negative pressure is formed, dust is guided to move along the dust discharging pipe 3, and sprayed water flows into the water tank along the dust discharging pipe 3 and the hose for recycling.

Referring to fig. 1-3, a wellbore cannula 1 in an embodiment of the present utility model is a circular tube that mates with an inner wall of a wellbore 20, and a fixing base 8 (specifically, a disc) is coaxially disposed in a middle portion of an outer wall of the wellbore cannula, and a lower portion of the fixing base is inserted into the wellbore 20. The fixed base 8 is arranged on the ground, the cone sleeve 2 and the dust exhaust pipe 3 are both positioned above the ground, the cone sleeve 2 and the well bore insertion pipe 1 are coaxially arranged, the closed soft board 4 is horizontally arranged, and a gap is reserved between the through hole and the drill rod 7.

Further, referring to fig. 1 and 3, an annular pipe 11 is provided outside the drill pipe 7 in the embodiment of the present utility model, and is connected to a high-pressure water supply structure through a pipe, and is fixed to the inner wall of the cone sleeve 2 through a bracket. The auxiliary shower head 6 is provided on the underside of the annular tube 11. The L-shaped tube 12 is an L-shaped structure that includes two perpendicular arms. One arm of the L-shaped pipe 12 is arranged perpendicular to the dust discharging pipe 3, and the outer end of the L-shaped pipe penetrates out of the dust discharging pipe 3 and is connected with a high-pressure water supply structure through a pipeline. The other arm (located at the lower side of the inner end of one arm) of the L-shaped pipe 12 is provided along the dust discharge pipe 3, which is provided at the axis of the dust discharge pipe 3, and the lower end thereof is provided with a main shower head 5.

Example 2

Referring to fig. 1-2, embodiment 2 provides a dust-free drill having a structure substantially the same as that of embodiment 1, except that: the cone sleeve 2 in the embodiment is detachably arranged on the well bore cannula 1; specifically, the top of the wellbore cannula 1 in this embodiment is coaxially provided with a lower flange 9, and the bottom of the cone sleeve 2 is coaxially provided with an upper flange 10 that mates with the lower flange 9. The sealing soft board 4 is an annular rubber board coaxially arranged with the drill rod 7, is arranged between the upper flange 10 and the lower flange 9, and has an inner diameter slightly larger than the diameter of the drill rod 7. The upper flange 10 and the lower flange 9 are fixed by bolts.

Example 3

Referring to fig. 3, embodiment 3 provides a dust-free drill having a structure substantially the same as that of embodiment 1, except that: the high pressure water supply structure in this embodiment is connected to the inlet of a tee 14 through a manifold 13 with a first valve 16. One outlet of the tee 14 is connected to the annular pipe 11 through a branch pipe 15 with a second valve 17, and the other outlet is connected to the L-shaped pipe 12 through a branch pipe 15 with a third valve 18. The spraying conditions of the auxiliary spray head 6 and the main spray head 5 can be controlled by controlling the second valve 17 and the third valve 18, respectively.

The "first", "second" and "third" in this patent are only used for distinguishing, and have no other special meaning.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. A dust-free drilling machine, comprising a vertically arranged drilling machine (19); the device is characterized by further comprising a water tank, a high-pressure water supply structure, a well-hole insertion pipe (1) inserted in the well-hole (20), a cone sleeve (2) which is large at the top and small at the upper part and is inclined downwards, a dust exhaust pipe (3) which is arranged at the upper part of the well-hole insertion pipe (1), a closed soft plate (4) at the bottom of the cone sleeve (2), a main spray head (5) in the dust exhaust pipe (3) and a plurality of auxiliary spray heads (6) at the upper part in the cone sleeve (2), wherein a drill rod (7) of the drilling machine (19) sequentially penetrates the cone sleeve (2) and the well-hole insertion pipe (1) from top to bottom, a through hole for the drill rod (7) to penetrate is formed in the closed soft plate (4), a plurality of auxiliary spray heads (6) are arranged around the drill rod (7) and spray towards the through hole, the main spray head (5) is arranged along the direction of the dust exhaust pipe (3) and is inclined downwards, the main spray head (5) and the auxiliary spray heads (6) are connected with the high-pressure water supply structure through pipelines, and the liquid level of the water tank is lower than the dust exhaust pipe (3) and the dust exhaust pipe is connected with the tail end of the dust exhaust pipe (3) through the hose.

2. The dust-free drilling machine according to claim 1, characterized in that the borehole insertion tube (1) is a circular tube matched with the inner wall of the borehole (20), the middle part of the outer wall of the borehole insertion tube is coaxially provided with a fixed base (8), and the lower part of the borehole insertion tube is inserted into the borehole (20); the fixed base (8) is arranged on the ground, the cone sleeve (2) and the dust exhaust pipe (3) are both positioned above the ground, the cone sleeve (2) and the well bore insertion pipe (1) are coaxially arranged, the closed soft plate (4) is horizontally arranged, and a gap is reserved between the through hole and the drill rod (7).

3. The dust-free drilling machine according to claim 2, characterized in that a lower flange (9) is coaxially arranged at the top of the well bore insertion pipe (1), an upper flange (10) matched with the lower flange (9) is coaxially arranged at the bottom of the cone sleeve (2), the closed soft board (4) is an annular rubber board coaxially arranged with the drill rod (7) and is arranged between the upper flange (10) and the lower flange (9), and the upper flange (10) and the lower flange (9) are fixed through bolts.

4. The dust-free drilling machine according to claim 1, characterized in that an annular pipe (11) is coaxially arranged at the inner upper part of the conical cylinder sleeve (2), the annular pipe (11) is arranged outside the drill rod (7) and is connected with a high-pressure water supply structure through a pipeline, and the auxiliary spray head (6) is arranged at the lower side of the annular pipe (11).

5. The dust-free drilling machine according to claim 4, characterized in that the dust-discharging pipe (3) is provided with an L-shaped pipe (12); one arm of the L-shaped pipe (12) is perpendicular to the dust exhaust pipe (3), and the outer end of the L-shaped pipe penetrates out of the dust exhaust pipe (3) and is connected with the high-pressure water supply structure through a pipeline; the other arm of the L-shaped pipe (12) is arranged along the dust exhaust pipe (3), is arranged at the axis of the dust exhaust pipe (3), and is provided with a main spray head (5) at the lower end.

6. The dust-free drilling machine according to claim 5, characterized in that the high-pressure water supply is connected to the inlet of the tee (14) via a main pipe (13) with a first valve (16); one outlet of the three-way pipe (14) is connected with the annular pipe (11) through a branch pipe (15) with a second valve (17), and the other outlet of the three-way pipe is connected with the L-shaped pipe (12) through a branch pipe (15) with a third valve (18).