CN216665537U - Dustproof rock drill - Google Patents
Dustproof rock drill Download PDFInfo
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- CN216665537U CN216665537U CN202122558001.6U CN202122558001U CN216665537U CN 216665537 U CN216665537 U CN 216665537U CN 202122558001 U CN202122558001 U CN 202122558001U CN 216665537 U CN216665537 U CN 216665537U
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- rock drill
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Abstract
The utility model relates to a dustproof rock drill which comprises a rock drill body and a steel chisel, wherein the steel chisel is fixedly connected to the output end of the rock drill body; a water delivery channel communicated with a drill bit and a drill bit tail is arranged in the drill rod, a water outlet hole communicated with the water delivery channel is formed in the side wall of the drill rod, and the water outlet hole is inclined downwards; an annular water spraying device is fixedly sleeved on the drill rod corresponding to the water outlet; an annular water flow channel is arranged in the water spraying device and is communicated with the water outlet hole; the outer wall of the water spraying device is provided with a plurality of water spraying ports, and the plurality of water spraying ports are communicated with the water flow channel. Compared with the prior art, the utility model can not only ensure the strength of the drill steel, but also form a tight water curtain to prevent the dust generated in the rock drilling process from diffusing.
Description
Technical Field
The utility model relates to the technical field of rock drills, in particular to a dustproof rock drill.
Background
In the prior art, the end of the dustproof rock drill with application number 201220425748.2 is provided with a drill rod, a hollow channel communicated with a drill bit and a drill bit tail is arranged in the drill rod, and a drill bit body of the drill rod is provided with a water outlet communicated with the hollow channel. The water outlet holes are arranged in plurality and are evenly arranged on one section of the drill body.
However, the prior art scheme has certain problems that the drill shank is provided with a plurality of water outlet holes, so that the strength of the drill shank is reduced, and the service life of the rock drill is not facilitated; if the number of the water outlet holes is small, the water sprayed from the water outlet holes cannot form a dustproof structure, so that the problem needs to be solved.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the prior art. Therefore, the utility model aims to provide a dustproof rock drill which can ensure the strength of a drill rod and can also prevent dust.
The technical scheme for solving the technical problems is as follows: a dustproof rock drill comprises a rock drill body and a steel chisel, wherein the steel chisel is fixedly connected to the output end of the rock drill body; a water delivery channel communicated with a drill bit and a drill bit tail is arranged in the drill rod, a water outlet hole communicated with the water delivery channel is formed in the side wall of the drill rod, and the water outlet hole is inclined downwards; an annular water spraying device is fixedly sleeved on the drill rod corresponding to the water outlet;
an annular water flow channel is arranged in the water spraying device and is communicated with the water outlet hole; the outer wall of the water spraying device is provided with a plurality of water spraying ports, and the water spraying ports are communicated with the water flow channel.
The utility model has the beneficial effects that: the water spraying device is used for spraying water, so that the number of water outlet holes can be reduced, and the strength of the steel chisel is guaranteed; the plurality of water spraying ports are arranged on the water spraying device, so that water sprayed by two adjacent water spraying ports can be overlapped with each other, a tight water curtain is formed in the circumferential direction of the water spraying device, and dust generated in the rock drilling process is prevented from being diffused.
On the basis of the technical scheme, the utility model can be further improved as follows.
Furthermore, the plurality of water spraying openings are arc-shaped, the plurality of water outlets are sequentially arranged along the circumferential direction of the water spraying device, and the distance between every two adjacent water spraying openings is consistent.
The beneficial effect of adopting the above further scheme is: the water coverage areas sprayed by the plurality of water spraying ports are overlapped, and an umbrella-shaped water curtain is formed in the circumferential direction of the water spraying device, so that dust generated in the operation process is prevented from diffusing, and the operation environment of operators is improved.
Further, the length of each water jet is larger than the distance between each water jet and the adjacent water jet.
The beneficial effect of adopting the above further scheme is: by enlarging the length of the water spray nozzles, water sprayed by the water spray nozzles is easier to overlap, and the effect of preventing dust from diffusing is better.
Furthermore, the bottom of the water flow channel is provided with a circular diversion trench which is arranged along the water flow channel; the inner wall of the water flow channel is provided with a plurality of arc-shaped grooves, one end of each arc-shaped groove is communicated with the guide groove, the other end of each arc-shaped groove is bent and extends to the top of the water flow channel, and each arc-shaped groove is located between every two adjacent water spray nozzles.
The beneficial effect of adopting the further scheme is that: utilize the water reposition of redundant personnel of arc wall in with the guiding gutter for hydroenergy more even a plurality of water jet departments of flow direction, a plurality of water jet spun water are more even, and the dustproof effect that forms the water curtain is better.
Further, the groove width of the arc-shaped groove is gradually reduced from the lower end part to the upper end part.
The beneficial effect of adopting the further scheme is that: so that the water sprayed out from the water spray opening is more uniform.
Further, the aperture of the water spray nozzle is smaller than that of the water flow channel, and the aperture of the water flow channel is smaller than that of the water outlet hole.
The beneficial effect of adopting the further scheme is that: the aperture of apopore is greater than the aperture of rivers passageway, and the water through the apopore is full of the rivers passageway more easily, and the aperture of rivers passageway is greater than the aperture of water jet for water pressure in the rivers passageway is big, and the water jet spun water of being convenient for forms the water curtain more easily.
Furthermore, the lower end part of the water spraying device extends into the water outlet hole corresponding to the water outlet hole and is fixedly connected with the bottom of the water outlet hole.
The beneficial effect of adopting the further scheme is that: the water spraying device and the steel drill rod are connected more stably, and the service life is longer.
Drawings
FIG. 1 is a front view of a drill rod of the dust-proof rock drill of the present invention;
FIG. 2 is a schematic structural view of a drill rod of the dust-proof rock drill of the present invention;
fig. 3 is an enlarged schematic view of fig. 2.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the drill rod, 2, water delivery passageway, 3, apopore, 4, water jet equipment, 5, rivers passageway, 6, water jet, 7, guiding gutter, 8, arc wall.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1 to 3, the dustproof rock drill comprises a rock drill body and a steel drill rod 1, wherein the steel drill rod 1 is fixedly connected to the output end of the rock drill body; a water delivery channel 2 communicating a drill bit and a drill bit shank is arranged in the drill rod 1, a water outlet hole 3 communicated with the water delivery channel 2 is arranged on the side wall of the drill rod 1, and the water outlet hole 3 is inclined downwards; an annular water spraying device 4 is fixedly sleeved on the steel chisel 1 corresponding to the water outlet hole 3;
an annular water flow channel 5 is arranged in the water spraying device 4, and the water flow channel 5 is communicated with the water outlet hole 3; the outer wall of the water spraying device 4 is provided with a plurality of water spraying ports 6, and the plurality of water spraying ports 6 are communicated with the water flow channel 5.
In the specific implementation process, the rock drill body drives the steel drill rod 1 to rotate, and meanwhile, the rock drill body conveys water to the drill rod tail of the steel drill rod 1 through the water conveying channel 2; when water is conveyed through the water conveying channel 2, water is conveyed into the water spraying device 4 through the water outlet hole 3, the water output from the water outlet hole 3 enters the water flow channel 5, and in the rotating process of the steel chisel 1, the water is driven to flow in the water flow channel 5, and is sprayed out through the plurality of water spraying ports 6 under the action of centripetal force, so that a water curtain is formed in the circumferential direction of the steel chisel 1, dust diffused at the drill bit is surrounded, the dust diffusion is prevented, and the operation environment of an operator is improved;
the water spraying device 4 is used for spraying water, so that the number of the water outlet holes 3 can be reduced, and the strength of the steel chisel 1 is guaranteed; the plurality of water spraying ports 6 are arranged on the water spraying device 4, so that water sprayed by two adjacent water spraying ports 6 can be overlapped with each other, a tight water curtain is formed in the circumferential direction of the water spraying device 4, and dust generated in the rock drilling process is prevented from being diffused.
In the above embodiment, the plurality of water spraying ports 6 are all arc-shaped, the plurality of water outlet ports are sequentially arranged along the circumferential direction of the water spraying device 4, and the distance between two adjacent water spraying ports 6 is consistent.
The water spray nozzles 6 are all arc-shaped, so that water sprayed from the water spray nozzles 6 can cover a certain area, the water coverage areas sprayed from the water spray nozzles 6 are overlapped, an umbrella-shaped water curtain is formed in the circumferential direction of the water spraying device 4, dust diffusion generated in the operation process is prevented, and the operation environment of operators is improved.
In the above embodiment, the length of each water jet 6 is greater than the distance between the water jet 6 and the adjacent water jet.
By enlarging the length of the water spray nozzles 6, the water sprayed from the water spray nozzles 6 can be overlapped more easily, and the effect of preventing dust from spreading is better.
In the above embodiment, the bottom of the water flow channel 5 is provided with the annular diversion trench 7 arranged along the water flow channel 5; a plurality of arc-shaped grooves 8 are formed in the inner wall of the water flow channel 5, one end of each arc-shaped groove 8 is communicated with the flow guide groove 7, the other end of each arc-shaped groove 8 extends to the top of the water flow channel 5 in a bending mode, and each arc-shaped groove 8 is located between every two adjacent water spraying ports 6.
After the water output from the water outlet hole 3 enters the water flow channel 5, part of the water flow flows along the diversion trench 7, so that the water flow channel 5 is filled with water; still utilize the water reposition of redundant personnel of arc wall 8 in with guiding gutter 7 for hydroenergy more even flow direction is a plurality of water jets 6 departments, and a plurality of water jets 6 spun water is more even, and the dustproof effect that forms the water curtain is better.
In the above embodiment, the width of the arc-shaped slot 8 is gradually reduced from the lower end to the upper end.
The width of the arc-shaped groove 8 is gradually reduced, so that water in the arc-shaped groove 8 continuously flows out along the two sides of the arc-shaped groove and respectively flows into the water spraying ports 6 on the two sides of the arc-shaped groove, and the water sprayed from the water spraying ports 6 is more uniform.
In the above embodiment, the diameter of the water jet 6 is smaller than that of the water flow channel 5, and the diameter of the water flow channel 5 is smaller than that of the water outlet hole 3.
The aperture of apopore 3 is greater than the aperture of rivers passageway 5, and the water through apopore 3 is full of rivers passageway 5 more easily, and the aperture of rivers passageway 5 is greater than the aperture of water jet 6 for water pressure in the rivers passageway 5 is big, and the 6 spun water of the water jet of being convenient for forms the water curtain more easily.
In the above embodiment, the lower end of the water spraying device 4 extends into the water outlet 3 corresponding to the water outlet 3, and is fixedly connected to the bottom of the water outlet 3.
When apopore 3 guide water got into water jet equipment 4, water produced the holding down force to water jet equipment 4, and in water jet equipment 4's the lower tip embedding apopore 3 for water jet equipment 4's lower tip pushed down the bottom of apopore 3, thereby realized that water jet equipment 4 and drill rod 1 are connected more firmly, and life is longer.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A dustproof rock drill comprises a rock drill body and a steel chisel (1), wherein the steel chisel (1) is fixedly connected with the output end of the rock drill body; a water delivery channel (2) communicated with a drill bit and a drill bit shank is arranged in the drill rod (1), a water outlet hole (3) communicated with the water delivery channel (2) is formed in the side wall of the drill rod (1), and the water outlet hole (3) is inclined downwards; the method is characterized in that: an annular water spraying device (4) is fixedly sleeved on the steel chisel (1) corresponding to the water outlet hole (3);
an annular water flow channel (5) is arranged in the water spraying device (4), and the water flow channel (5) is communicated with the water outlet hole (3); the outer wall of the water spraying device (4) is provided with a plurality of water spraying ports (6), and the plurality of water spraying ports (6) are communicated with the water flow channel (5).
2. The dust-proof rock drill according to claim 1, characterized in that: a plurality of water jet (6) all are the arc, and is a plurality of it arranges in proper order to go out water along water jet (4)'s circumference, two adjacent the interval of water jet (6) is unanimous.
3. The dust-proof rock drill according to claim 2, characterized in that: the length of each water jet (6) is larger than the distance between the water jet and the adjacent water jet (6).
4. The dust-proof rock drill according to claim 1, characterized in that: the bottom of the water flow channel (5) is provided with a circular diversion trench (7) which is arranged along the water flow channel (5); a plurality of arc-shaped grooves (8) are formed in the inner wall of the water flow channel (5), one end of each arc-shaped groove (8) is communicated with the corresponding guide groove (7), the other end of each arc-shaped groove is bent and extends to the top of the water flow channel (5), and each arc-shaped groove (8) is located between every two adjacent water spraying ports (6).
5. The dust-proof rock drill according to claim 4, characterized in that: the width of the arc-shaped groove (8) is gradually reduced from the lower end part to the upper end part.
6. The dust-proof rock drill according to claim 1, characterized in that: the aperture of the water spray nozzle (6) is smaller than that of the water flow channel (5), and the aperture of the water flow channel (5) is smaller than that of the water outlet hole (3).
7. The dust-proof rock drill according to claim 1, characterized in that: the lower end part of the water spraying device (4) corresponds to the water outlet hole (3) and extends into the water outlet hole (3) and is fixedly connected with the bottom of the water outlet hole (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122558001.6U CN216665537U (en) | 2021-10-23 | 2021-10-23 | Dustproof rock drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122558001.6U CN216665537U (en) | 2021-10-23 | 2021-10-23 | Dustproof rock drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216665537U true CN216665537U (en) | 2022-06-03 |
Family
ID=81764359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122558001.6U Active CN216665537U (en) | 2021-10-23 | 2021-10-23 | Dustproof rock drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216665537U (en) |
-
2021
- 2021-10-23 CN CN202122558001.6U patent/CN216665537U/en active Active
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