CN212927849U - Spraying device of outer unit of coal mining machine - Google Patents
Spraying device of outer unit of coal mining machine Download PDFInfo
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- CN212927849U CN212927849U CN202021168191.XU CN202021168191U CN212927849U CN 212927849 U CN212927849 U CN 212927849U CN 202021168191 U CN202021168191 U CN 202021168191U CN 212927849 U CN212927849 U CN 212927849U
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Abstract
The utility model discloses a spraying device of a unit outside a coal cutter, which comprises a water separator body, wherein three identical cylindrical grooves are uniformly distributed on the end surface of the water outlet side of the water separator body to serve as nozzle mounting positions, the center of the groove bottom surface of each nozzle mounting position is a water outlet, a vaporific nozzle is arranged at the water outlet, the vaporific nozzle is positioned inside the cylindrical groove and does not extend out of the end surface, and the water outlet is inwards communicated with a water distribution pipeline; the center of the end surface of the water inlet side of the water separator body is provided with a cylindrical groove serving as a water inlet and connected with a water inlet pipe, the water inlet is communicated with a water separation pipeline through a water outlet in the center of the bottom surface of the groove, and two ends of the water separation pipeline are sealed; two ends of the water inlet side are also provided with two mounting holes for fixing. The utility model adopts three nozzles, the flow is large, the dust concentration can be reduced rapidly, and the safety of the working face is ensured; and the sunken design of cylindric groove has prevented that damage and the impact of a large amount of dust caused when a large amount of coal seams fall from damaging.
Description
Technical Field
The utility model relates to a colliery is excavated and is removed dust field, specifically is a coal-winning machine outer unit atomizer.
Background
A high-flow spraying device of a drum shearer is a main dust-settling device of a stope face in the coal mining process. However, the following problems exist in the using process: firstly, the large-flow spray of the coal mining machine used in the past is formed by welding steel plates, and in the coal mining process, large pieces of waste rocks are inevitably generated, so that the large pieces of waste rocks are broken by smashing; secondly, due to the large volume, when the mining height is limited, the mining height is easily knocked off by the front cantilever of the bracket; thirdly, the spraying effect is poor, and a nozzle is easy to block or break by smashing when in use, so that the situation of poor dust settling effect can occur. There is a need to improve existing unit spray devices to address the above-mentioned problems.
Disclosure of Invention
The utility model discloses a solve the current large-traffic atomizer fragile problem that leads to the dust fall effect relatively poor, provide a coal-winning machine outer unit atomizer.
The utility model discloses a realize through following technical scheme: a spraying device of a unit outside a coal mining machine comprises a cuboid-shaped water distributor body, wherein three identical cylindrical grooves are uniformly distributed on the end face of the water outlet side of the water distributor body to serve as nozzle mounting positions, the center of the groove bottom face of each nozzle mounting position is a water outlet, a mist nozzle is mounted at the water outlet, the mist nozzle is located inside the cylindrical groove and does not extend out of the end face, and the water outlet is communicated with a water distribution pipeline inwards; the water distributor is characterized in that the center of the end face of the water inlet side of the water distributor body is provided with a cylindrical groove serving as a water inlet and connected with a water inlet pipe, the water inlet is communicated with a water distribution pipeline through a water outlet in the center of the bottom surface of the groove, and two ends of the water distribution pipeline are sealed; two ends of one side of the water inlet are also provided with two mounting holes for fixing.
The utility model relates to a spraying device of a coal cutter outer unit, which mainly comprises a water separator body, wherein three identical cylindrical grooves are uniformly distributed on the end surface of the water outlet side of the water separator body to serve as nozzle mounting positions, the purpose of slotting is to ensure that the nozzles can be mounted in the sunken positions without exposing, and the grooves can be manufactured by adopting an internal milling method; the center of the bottom surface of the groove at the installation position of each nozzle is provided with a water outlet, and the water outlet is provided with a mist nozzle which is positioned in the cylindrical groove and does not extend out of the end surface, so that the inner milled groove of the mist nozzle has a safe 'home', and the mist nozzle is installed in a sunken home, thereby preventing a large amount of coal seams from being damaged when falling and preventing a large amount of dust from impacting; the water outlets are communicated with the water distribution pipeline inwards, and the water distribution pipeline distributes water to the three water outlets, so that the water is sprayed out from the mist nozzles at the three water outlets, the three nozzles have large flow, and the dust concentration can be reduced quickly; the center of the end surface of the water inlet side of the water separator body is provided with a cylindrical groove serving as a water inlet and connected with a water inlet pipe, the water inlet is communicated with the water separation pipeline through a water outlet in the center of the bottom surface of the groove, so that water enters the water separation pipeline from the water inlet, and two ends of the water separation pipeline are sealed; namely, after the water distribution pipeline is opened on the water distributor body, two ends of the water distribution pipeline are sealed in a welding mode. Two ends of the water inlet side are also provided with two mounting holes for fixing, and the mounting holes can be mounted in any mode, for example, an iron wire is fixed at a certain position, so that the fixing purpose can be realized. The utility model discloses the specific operation does: when the coal mining machine is used for mining coal, firstly, the water separator body is fixed at a position needing to be sprayed with water for dust fall through the mounting hole, then the water inlet pipe is connected with the water inlet, the valve of the water inlet pipe is opened, water enters the water distribution pipeline from the water inlet, then enters the three water outlets from the water distribution pipeline, and finally, the water is sprayed out from the three vaporific nozzles to be sprayed to the area needing to be sprayed with water for dust fall.
Preferably, in order to have a wider spray surface, the outlet surface and the end surface of the cylindrical groove at the nozzle mounting portion are provided with chamfers.
Preferably, in order to conveniently connect the water inlet pipe and the water inlet, chamfers are arranged on the water inlet and the end face of the water separator body.
Compared with the prior art the utility model discloses following beneficial effect has: the utility model provides a coal-winning machine outer unit atomizer, three nozzle flow is big, can reduce dust concentration fast, very big improvement spraying effect, guaranteed the safety of working face; and the sunken design of cylindric groove, the appearance is durable, has prevented the damage when a large amount of coal seams fall, has also prevented that the impact of a large amount of dust from causing the damage of vaporific nozzle.
Drawings
Fig. 1 is a front view of the structure of the present invention.
Fig. 2 is a left side view of the structure of the present invention.
Fig. 3 is a sectional view taken along line a-a of fig. 1 according to the present invention.
The figures are labeled as follows: 1-a water separator body, 2-a nozzle installation part, 3-a fog-like nozzle, 4-an installation hole, 5-a water distribution pipeline and 6-a water inlet.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
A spraying device of an outer unit of a coal mining machine is shown in figures 1-3: the water distributor comprises a cuboid water distributor body 1, wherein three identical cylindrical grooves are uniformly distributed on the end face of the water outlet side of the water distributor body 1 to serve as nozzle mounting positions 2, the center of the groove bottom face of each nozzle mounting position 2 is a water outlet, a mist nozzle 3 is mounted at the water outlet, the mist nozzle 3 is positioned in each cylindrical groove and does not extend out of the end face, and the water outlet is inwards communicated with a water distribution pipeline 5; the center of the end surface of the water inlet side of the water separator body 1 is provided with a cylindrical groove serving as a water inlet 6 and connected with a water inlet pipe, the water inlet 6 is communicated with a water separation pipeline 5 through a water outlet in the center of the bottom surface of the groove, and two ends of the water separation pipeline 5 are sealed; two ends of the water inlet side are also provided with two mounting holes 4 for fixing.
The embodiment adopts the preferable scheme that: chamfers are arranged on the outlet face and the end face of the cylindrical groove at the nozzle mounting part 2; chamfers are arranged on the water inlet and the end surface of the water separator body 1; the thickness of the water segregator body 1 is larger than 30mm, namely the distance from the top surface to the bottom surface in fig. 2 is larger than 30mm, and in this embodiment is 40 mm.
The embodiment specifically operates as follows: when a coal mining machine is used for mining coal, firstly, the water separator body 1 is fixed at a position needing spray dust fall through the mounting hole 4, then the water inlet pipe is connected with the water inlet 6, a valve of the water inlet pipe is opened, water enters the water separation pipeline 5 from the water inlet 6, then enters the three water outlets from the water separation pipeline 5, and finally, the water is sprayed out from the three mist nozzles 3 to be sprayed to an area needing spray dust fall.
The scope of the invention is not limited to the above embodiments, and various modifications and changes may be made by those skilled in the art, and any modifications, improvements and equivalents made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. The utility model provides a coal-winning machine outer unit atomizer which characterized in that: the water distributor comprises a cuboid water distributor body (1), wherein three identical cylindrical grooves are uniformly distributed on the end face of the water outlet side of the water distributor body (1) to serve as nozzle mounting positions (2), the center of the groove bottom face of each nozzle mounting position (2) is a water outlet, a mist nozzle (3) is mounted at the water outlet, the mist nozzle (3) is located in each cylindrical groove and does not extend out of the end face, and the water outlet is inwards communicated with a water distribution pipeline (5); the water distributor is characterized in that a cylindrical groove serving as a water inlet (6) is formed in the center of the end face of the water inlet side of the water distributor body (1) and is connected with a water inlet pipe, the water inlet (6) is communicated with a water distribution pipeline (5) through a water outlet in the center of the bottom surface of the groove, and two ends of the water distribution pipeline (5) are sealed; two ends of the water inlet side are also provided with two mounting holes (4) for fixing.
2. The spraying device of the coal mining machine outer unit according to claim 1, characterized in that: and chamfers are arranged on the outlet face and the end face of the cylindrical groove at the nozzle mounting part (2).
3. The spraying device of the coal mining machine outer unit according to claim 1, characterized in that: and chamfers are arranged on the water inlet (6) and the end surface of the water distributor body (1).
4. The spraying device of the coal mining machine outer unit according to claim 1, characterized in that: the thickness of the water separator body (1) is larger than 30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021168191.XU CN212927849U (en) | 2020-06-22 | 2020-06-22 | Spraying device of outer unit of coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021168191.XU CN212927849U (en) | 2020-06-22 | 2020-06-22 | Spraying device of outer unit of coal mining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212927849U true CN212927849U (en) | 2021-04-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021168191.XU Active CN212927849U (en) | 2020-06-22 | 2020-06-22 | Spraying device of outer unit of coal mining machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212927849U (en) |
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2020
- 2020-06-22 CN CN202021168191.XU patent/CN212927849U/en active Active
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