CN210858720U - Coal-winning machine secondary negative pressure dust device - Google Patents
Coal-winning machine secondary negative pressure dust device Download PDFInfo
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- CN210858720U CN210858720U CN201921767139.3U CN201921767139U CN210858720U CN 210858720 U CN210858720 U CN 210858720U CN 201921767139 U CN201921767139 U CN 201921767139U CN 210858720 U CN210858720 U CN 210858720U
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Abstract
The utility model relates to a coal-winning machine secondary negative pressure dust device belongs to coal-winning machine dust fall equipment technical field. The utility model discloses mainly solve current dust device dust collection efficiency low, the installation dismantles technical problem such as inflexible. The technical scheme of the utility model is that: the utility model provides a coal-winning machine secondary negative pressure dust device, wherein: comprises a bracket, a spray cylinder assembly and a magnetic sucker; the support comprises a support bottom plate and a support side plate, the support side plate is arranged on one side of the top of the support bottom plate, the spray cylinder assembly is arranged above the support bottom plate, the bottom of the spray cylinder assembly is connected with the support bottom plate through an adjusting bolt, and the magnetic sucker is arranged on the outer side of the support side plate and connected with the support side plate through a long bolt; the spray cylinder assembly comprises a spray cylinder bracket, a spray cylinder and a spray nozzle. The utility model has the advantages of high dust removal efficiency, flexible and convenient disassembly and the like.
Description
Technical Field
The utility model belongs to the technical field of coal-winning machine dust fall equipment, concretely relates to coal-winning machine secondary negative pressure dust device.
Background
The continuous improvement of the comprehensive mechanized coal mining degree of the coal mine brings great economic benefits and also causes a plurality of negative effects, wherein the biggest problem is the generation of high-concentration coal dust, the safe and efficient production of a mine is seriously influenced, and the threat to the health of underground operators is caused. According to related data, the dust settling efficiency of a common spray dust settling system is only 40% -50%, dust which is not settled is easy to scatter along with wind, the operation environment is polluted, and the existing dust settling device is inflexible to mount and dismount on a coal mining machine and consumes manpower and material resources.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a coal-winning machine secondary negative pressure dust device, solve current dust device dust collection efficiency low, the installation dismantlement technical problem such as inflexible.
In order to solve the technical problem, the utility model discloses a technical scheme does:
the utility model provides a coal-winning machine secondary negative pressure dust device, wherein: comprises a bracket, a spray cylinder assembly and a magnetic sucker;
the support comprises a support bottom plate and a support side plate, the support side plate is arranged on one side of the top of the support bottom plate, the spray cylinder assembly is arranged above the support bottom plate, the bottom of the spray cylinder assembly is connected with the support bottom plate through an adjusting bolt, and the magnetic sucker is arranged on the outer side of the support side plate and connected with the support side plate through a long bolt;
the spray cylinder assembly comprises a spray cylinder bracket, a spray cylinder and a nozzle, wherein the spray cylinder bracket comprises a lower bottom plate, two sides of the top surface of the front part of the lower bottom plate are respectively provided with a side supporting plate, the middle of the top surface of the rear part of the lower bottom plate is provided with a hinged supporting plate, and the side supporting plates are provided with three groups of mounting holes with different heights; the spraying cylinder is arranged on the spraying cylinder bracket, side fixing plates are arranged at the positions, corresponding to the side supporting plates, of the two sides of the cylinder wall in front of the spraying cylinder, and a rotating plate is arranged at the position, corresponding to the hinged supporting plates, below the cylinder wall at the bottom of the spraying cylinder; the side fixing plate is connected with a group of mounting holes on the side supporting plate through bolts, and the rotating plate is hinged with the hinged supporting plate;
the nozzle is arranged in the middle of the inner cavity at the rear side of the spray cylinder through a nozzle fixing plate.
Further, the nozzle comprises a nozzle shell and guide vanes, and the guide vanes are arranged inside the nozzle shell.
The utility model adopts the technical scheme, the secondary negative pressure dust falling device converts the supplied high-pressure water into a vapor stream barrier and a dust-containing vapor stream purification system for intercepting coal dust, thereby realizing the in-situ purification of dust generated during coal mining of a coal mining machine and reducing the outward diffusion of the coal mining dust; the height and the horizontal direction of the injection angle are flexibly adjusted according to different heavily polluted areas of the coal dust, so that the dust falling operation is more effectively carried out; the magnetic sucker is greatly convenient for the installation and the disassembly of the secondary negative pressure dust-settling device of the coal mining machine on the coal mining machine. Compared with the prior art, the utility model has the advantages of dust collection efficiency is high, dismantle nimble convenience.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a perspective view of the present invention;
FIG. 3 is a cross-sectional view of the jet assembly of the present invention;
fig. 4 is a schematic view of a nozzle structure.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1 to 4, in the embodiment, a secondary negative pressure dust settling device of a coal mining machine, includes: comprises a bracket 1, a spray cylinder component 3 and a magnetic sucker 2;
the support 1 comprises a support bottom plate 1-1 and a support side plate 1-2, the support side plate 1-2 is arranged on one side of the top of the support bottom plate 1-1, the spray cylinder assembly 3 is arranged above the support bottom plate 1-1, the bottom of the spray cylinder assembly 3 is connected with the support bottom plate 1-1 through an adjusting bolt 4, and the magnetic sucker 2 is arranged on the outer side of the support side plate 1-2 and is connected with the support side plate 1-2 through a long bolt 5;
the spray cylinder assembly 3 comprises a spray cylinder support, a spray cylinder 3-1 and a spray nozzle 3-2, the spray cylinder support comprises a lower bottom plate 3-3, two sides of the top surface of the front part of the lower bottom plate 3-3 are respectively provided with a side support plate 3-4, the middle of the top surface of the rear part of the lower bottom plate 3-3 is provided with a hinged support plate 3-5, and three groups of mounting holes 3-6 with different heights are arranged on the side support plate 3-4; the spraying cylinder 3-1 is arranged on a spraying cylinder bracket, side fixing plates 3-7 are arranged at the positions, corresponding to the side supporting plates 3-4, of the two sides of the cylinder wall in front of the spraying cylinder 3-1, and rotating plates 3-8 are arranged at the positions, corresponding to the hinged supporting plates 3-5, below the cylinder wall at the bottom of the spraying cylinder 3-1; the side fixing plates 3-7 are connected with a group of mounting holes 3-6 on the side supporting plates 3-4 through bolts, and the rotating plates 3-8 are hinged with the hinged supporting plates 3-5;
the nozzle 3-2 is arranged in the middle of the inner cavity at the rear side of the spray cylinder 3-1 through a nozzle fixing plate.
Further, the nozzle 3-2 comprises a nozzle shell 3-9 and guide vanes 3-10, and the guide vanes 3-10 are arranged inside the nozzle shell 3-9.
The utility model discloses a use: when the device is installed, the magnetic sucker 2 is firstly controlled to operate a handle, and the secondary negative pressure dust falling device and the coal mining machine are fixed into a whole through the magnetic sucker 2;
high-pressure water flow enters a nozzle 3-2 through a pipeline, the high-pressure water flow is formed in the nozzle 3-2 by a guide vane 3-10, the high-pressure water flow is sprayed out from the nozzle 3-2 to enter a spraying barrel 3-1 after being collided with each other, the sprayed steam flow is collided with the barrel wall of the spraying barrel 3-1 to further form extremely fine steam flow, and the steam flow is sprayed out of the spraying barrel 3-1 to form a steam-mist flow barrier and a dust-containing steam flow purification system, so that the in-situ purification during coal mining of a coal mining machine is realized.
The spraying height angle and the horizontal angle of the spraying cylinder 3-1 can be adjusted according to the field working condition: different height angles of the spray cylinder 3-1 on the spray cylinder bracket are adjusted by connecting the front side fixing plate 3-7 of the spray cylinder 3-1 with different mounting holes 3-6 of the upper side supporting plate 3-4 of the spray cylinder bracket; by loosening the adjusting bolt 4 and rotating the nozzle assembly 3, the angle adjustment of the nozzle assembly 3 in the horizontal direction is completed.
When the dismounting device is used, the dismounting device can be completed by controlling the magnetic sucker 2 to operate the handle, so that the mounting and dismounting processes are convenient and fast.
Claims (2)
1. The utility model provides a coal-winning machine secondary negative pressure dust device which characterized in that: comprises a bracket (1), a spray cylinder assembly (3) and a magnetic sucker (2);
the support (1) comprises a support bottom plate (1-1) and a support side plate (1-2), the support side plate (1-2) is arranged on one side of the top of the support bottom plate (1-1), the spray cylinder assembly (3) is arranged above the support bottom plate (1-1), the bottom of the spray cylinder assembly (3) is connected with the support bottom plate (1-1) through an adjusting bolt (4), and the magnetic sucker (2) is arranged on the outer side of the support side plate (1-2) and is connected with the support side plate (1-2) through a long bolt (5);
the spray cylinder assembly (3) comprises a spray cylinder support, a spray cylinder (3-1) and a spray nozzle (3-2), the spray cylinder support comprises a lower bottom plate (3-3), two sides of the top surface of the front part of the lower bottom plate (3-3) are respectively provided with a side support plate (3-4), the middle of the top surface of the rear part of the lower bottom plate (3-3) is provided with a hinged support plate (3-5), and the side support plate (3-4) is provided with three groups of mounting holes (3-6) with different heights; the spraying cylinder (3-1) is arranged on the spraying cylinder bracket, the side fixing plates (3-7) are arranged at the positions of the two sides of the front cylinder wall of the spraying cylinder (3-1) corresponding to the side supporting plates (3-4), and the rotating plates (3-8) are arranged at the positions of the lower part of the bottom cylinder wall of the spraying cylinder (3-1) corresponding to the hinged supporting plates (3-5); the side fixing plates (3-7) are connected with a group of mounting holes (3-6) on the side supporting plates (3-4) through bolts, and the rotating plates (3-8) are hinged with the hinged supporting plates (3-5);
the nozzle (3-2) is arranged in the middle of the inner cavity at the rear side of the spray cylinder (3-1) through a nozzle fixing plate.
2. The secondary negative pressure dust falling device of the coal mining machine according to claim 1, characterized in that: the nozzle (3-2) comprises a nozzle shell (3-9) and guide vanes (3-10), and the guide vanes (3-10) are arranged inside the nozzle shell (3-9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921767139.3U CN210858720U (en) | 2019-10-21 | 2019-10-21 | Coal-winning machine secondary negative pressure dust device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921767139.3U CN210858720U (en) | 2019-10-21 | 2019-10-21 | Coal-winning machine secondary negative pressure dust device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210858720U true CN210858720U (en) | 2020-06-26 |
Family
ID=71308819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921767139.3U Active CN210858720U (en) | 2019-10-21 | 2019-10-21 | Coal-winning machine secondary negative pressure dust device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210858720U (en) |
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2019
- 2019-10-21 CN CN201921767139.3U patent/CN210858720U/en active Active
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