CN215332970U - Tunnel dust catching device - Google Patents
Tunnel dust catching device Download PDFInfo
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- CN215332970U CN215332970U CN202121201544.6U CN202121201544U CN215332970U CN 215332970 U CN215332970 U CN 215332970U CN 202121201544 U CN202121201544 U CN 202121201544U CN 215332970 U CN215332970 U CN 215332970U
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Abstract
The application provides a dust device is caught in tunnel, including atomizer, catching dirt net, fixed pulley and fixed part, wherein, atomizer with catch the dirt net and arrange on fixed cross beam, fixed cross beam's both ends are equipped with the fixed pulley respectively and its wherein one end of wire rope is connected on with the fixed pulley, the fixed pulley hangs on fixed part, fixed part arranges at the tunnel top. The utility model provides a dust device is caught in tunnel, can improve the mine and combine the dust of catching in the tunnel of adopting the working face, the dust fall effect, eliminate staff occupational health hidden danger, avoid the emergence of mine coal dust explosion accident, simultaneously in order to reduce the amount of labour, improve labor efficiency, it is dangerous to dismantle the operation of ascending a height with installing spraying dust fall device in-process before avoiding the workman, reduce the cost of labor, in order to guarantee to catch the dust, do not influence the current of tunnel vehicle in the dust fall effect, also catch the dust when the vehicle is current, the dust fall net is conveniently opened, the vehicle is caught the dust after passing through, the dust fall net is easily closed, not damaged by past vehicle extrusion.
Description
Technical Field
The utility model belongs to the technical field of coal dust capture of a roadway of a fully mechanized coal mining face under a coal mine, and particularly relates to a roadway dust capture device.
Background
At present, coal dust prevention and control of tunnels with large dust content, such as a return air gateway of a fully mechanized mining face in an underground coal mine, a main return air tunnel of the mine and the like, generally adopts a fixed spraying dust-settling device to reduce the concentration of coal dust in air flow in a spraying and watering dust-settling mode. The existing spraying dust-settling device is generally formed by processing a rigid inch pipe, a nozzle and the like, the size and the installation height are generally fixed and unchangeable, and the device cannot adapt to the change of the height and the width of a roadway and cannot continuously and fully cover for dust settling when the roadway changes. When the existing spraying dust-settling device is installed and moved, at least three persons are generally required to coordinate and cooperate to ascend, so that the existing spraying dust-settling device is very dangerous. In addition, the concentration of coal dust in the return air roadway is high, light is poor, and a spraying dust suppression device installed many times can be extruded and deformed or even extruded and broken by passing vehicles, so that the dust suppression function is lost. In addition, the existing fixed spraying and water sprinkling dust-settling device is only influenced by sprayed water mist, water pressure, water quantity and other factors, has poor dust-settling effect and cannot effectively reduce the concentration of coal dust in wind flow to a large extent.
SUMMERY OF THE UTILITY MODEL
The roadway dust catching device can improve dust catching and falling effects of roadways with large dust content, such as a mine fully-mechanized working face return air gateway, a mine total return air main roadway and the like, can eliminate occupational health hidden dangers of workers, can avoid mine coal dust explosion accidents, and can improve labor efficiency, avoid danger of ascending operation in the process of detaching and installing the spraying dust falling device before the workers and reduce labor cost. Meanwhile, in order to guarantee the dust catching and falling effect and not influence the passing of the roadway vehicles, and also in order to facilitate the opening of the dust catching and falling net when the vehicles pass, the dust catching and falling net is easy to close after the vehicles pass, and is not extruded and deformed or even extruded and broken by the passing vehicles, so that the dust falling function is lost, and the material cost of the repeated processing spraying device is saved.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows:
a roadway dust catching device comprises a spraying device, a dust catching net, a fixed pulley and a fixing component. Wherein, atomizer and dust catching net arrange on fixed cross beam, and fixed cross beam's both ends are equipped with the fixed pulley respectively and its and one of them end connection of wire rope on the fixed pulley. The fixed pulley is hung on a fixed part, and the fixed part is arranged at the top of the roadway.
According to the roadway dust catching device, the fixed pulley lifting principle can be used for lifting and descending adjustment along with the change of the height of the roadway, particularly, the position of the spraying device away from the roadway top plate can be ensured to meet the regulation for the roadway with obvious mine pressure such as bottom heave, top plate sinking and the like or the roadway with rapid fluctuation change of the roadway, and the roadway adaptability is good.
With respect to the above technical solution, further improvements as described below can be made.
According to the roadway dust catching device, in a preferred embodiment, the dust catching nets comprise at least two groups, sliding rails are arranged on the fixed cross beams, and the dust catching nets are used for moving along the sliding rails.
The portable dust catching net (several pieces) among the device can the horizontal slip realization catch dirt in the slide rail, the horizontal opening and the closure of dust fall net, only need manually to catch the portable dust catching net slip when the vehicle passes through and move aside, it makes the portable dust catching net slip closure to resume after the vehicle passes through again, guarantee that it is not by past vehicle extrusion deformation, even squeeze, make it lose the dust fall function, catch the distance and the coal dust catching of dust catching net apart from the tunnel both ends and moist transverse section size through adjusting each piece of portable dust catching net simultaneously, thereby realize tunnel furthest's dust catching and dust fall effect.
Further, in a preferred embodiment, the slide rails comprise at least two groups, and each group of slide rails is provided with a dust catching net.
Through setting up the multiunit slide rail respectively with the multiunit catch the cooperation removal of dirt net, thereby can furthest improve the adjustment convenience that the portable dirt net was caught and realize tunnel furthest's catching dirt and dust fall effect easily.
Further, in a preferred embodiment, the top of the dust catching net is provided with a hanging wheel structure which is matched with the slide rail.
Through the hanging wheel structure, the sliding process of the movable dust catching net in the sliding rail can be ensured to be stable, reliable and smooth.
Further, in a preferred embodiment, the sling wheel structure is symmetrically arranged on top of the dust catching net.
The hanging wheel structure arranged symmetrically realizes the movable connection of the dust catching net and the sliding rail, and the stability and the reliability of the cooperation between the dust catching net and the sliding rail can be further ensured.
Further, in a preferred embodiment, the hanging wheel structure comprises two groups of hanging wheels which are symmetrically arranged, and the two groups of hanging wheels are connected with the dust catching net through two groups of connecting rods which are vertically arranged.
The hanging wheel structure in the form can guarantee that the sliding process of the movable dust catching net in the sliding rail is stable, reliable and smooth in all directions.
Specifically, in a preferred embodiment, the fixing part comprises a steel belt or a mesh sheet of the roadway roof, and the fixed pulley is hung on the meshes of the steel belt or the mesh sheet through the hooks.
The fixed pulley is arranged through the structural form, the hook can be picked up and installed, the hook can be installed and removed by one person through the auxiliary sleeve, the ascending operation in the operation of installing and moving the device is avoided, meanwhile, the labor efficiency is greatly improved, and meanwhile, the labor cost is saved.
Specifically, in a preferred embodiment, the spray device comprises a negative pressure dust removal spray nozzle.
Adopt negative pressure dust removal atomising nozzle and portable dust catching net to cooperate each other and catch dirt, dust fall, can will combine and adopt the most coal dust and the dust of working face to drop, the spraying dust fall effect is showing.
Further, in a preferred embodiment, the water inlet end of the spraying device is provided with an air-water separator.
And an air-water separator for controlling the air quantity and the water quantity is also arranged at the water inlet end of the spraying device, so that the stability of the air quantity and the water quantity and the spraying effect can be ensured.
Further, in a preferred embodiment, the spraying devices are arranged on the fixed cross beam at regular intervals.
The spraying device is arranged through the structural form, so that the spraying, dust removing and dust settling effects can be ensured to the maximum extent.
Compared with the prior art, the utility model has the advantages that: can improve the mine combine and adopt that work face return air crossheading, mine total return air big lane etc. contain the big tunnel of dust content catch dirt, dust fall effect, eliminate staff occupational health hidden danger, avoid the emergence of mine coal dust explosion accident, in order to reduce the amount of labour, improve labor efficiency simultaneously, dismantle before the workman and install the dangerous, the reduction cost of labor of the operation of ascending a height of spraying dust device in-process. Meanwhile, in order to guarantee the dust catching and falling effect and not influence the passing of the roadway vehicles, and also in order to facilitate the opening of the dust catching and falling net when the vehicles pass, the dust catching and falling net is easy to close after the vehicles pass, and is not extruded and deformed or even extruded and broken by the passing vehicles, so that the dust falling function is lost, and the material cost of the repeated processing spraying device is saved.
Drawings
Preferred embodiments of the present invention will be described in detail below with reference to the attached drawing figures, wherein:
fig. 1 schematically shows an overall structure of a roadway dust collecting apparatus according to an embodiment of the present invention;
FIG. 2 schematically illustrates a first mounting structure of the dust catching net according to the embodiment of the present invention;
fig. 3 schematically shows a second mounting structure of the dust-catching net according to the embodiment of the present invention.
In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.
Detailed Description
In order to make the technical solutions and advantages of the present invention more apparent, exemplary embodiments of the present invention are described in further detail below with reference to the accompanying drawings. It is clear that the described embodiments are only a part of the embodiments of the utility model, and not an exhaustive list of all embodiments. And the embodiments and features of the embodiments may be combined with each other without conflict.
Fig. 1 schematically shows the overall structure of a roadway dust collecting device 10 according to an embodiment of the present invention. Fig. 2 schematically shows a first mounting structure of the dust-catching net 2 of the embodiment of the present invention. Fig. 3 schematically shows a second mounting structure of the dust-catching net 2 of the embodiment of the present invention.
As shown in fig. 1, a roadway dust collecting device 10 according to an embodiment of the present invention includes a spraying device 1, a dust collecting net 2, a fixed pulley 3, and a fixing member 4. Wherein, the spraying device 1 and the dust catching net 2 are arranged on a fixed beam 5, two ends of the fixed beam 5 are respectively provided with a fixed pulley 3 and are connected with one end of a steel wire rope 6 on the fixed pulley 3. The fixed pulley 3 is hung on a fixed part 4, and the fixed part 4 is arranged at the top of the roadway.
According to the roadway dust catching device provided by the embodiment of the utility model, the lifting and descending adjustment can be carried out along with the change of the height of the roadway by using the fixed pulley lifting principle, and particularly, the position of the spraying device from the top plate of the roadway can be ensured to meet the regulation for the roadway with obvious mine pressure such as heaving floor, sinking top plate and the like or the roadway with rapid fluctuation change of the roadway, and the roadway has good adaptability.
Specifically, as shown in fig. 1, in the present embodiment, the fixing member 4 includes a steel belt or a mesh of the tunnel roof, and the fixed pulley 3 is hung on a mesh of the steel belt or the mesh by a hook 8. The fixed pulley is arranged through the structural form, the hook can be picked up and installed, the hook can be installed and removed by using an auxiliary tool alone, the ascending operation in the operation of installing and moving the device is avoided, meanwhile, the labor efficiency is greatly improved, and meanwhile, the labor cost is saved.
Specifically, in the present embodiment, the spraying device 1 includes a negative pressure dust removal spray nozzle. Adopt negative pressure dust removal atomising nozzle and portable dust catching net to cooperate each other and catch dirt, dust fall, can will combine and adopt the most coal dust and the dust of working face to drop, the spraying dust fall effect is showing. Further, in the present embodiment, the water inlet end of the spraying device 1 is provided with an air-water separator. And an air-water separator for controlling the air quantity and the water quantity is also arranged at the water inlet end of the spraying device, so that the stability of the air quantity and the water quantity and the spraying effect can be ensured. Further, as shown in fig. 1, in the present embodiment, the spraying devices 1 are arranged on the fixed beam 5 at regular intervals. The spraying device is arranged through the structural form, so that the spraying, dust removing and dust settling effects can be ensured to the maximum extent.
As shown in fig. 1 and 2, further, in the present embodiment, the dust-catching net 2 includes at least two sets, the fixed beam 5 is provided with slide rails 51, and the dust-catching net 2 can move along the slide rails 51. The portable dust catching net (several pieces) among the device can the horizontal slip realization catch dirt in the slide rail, the horizontal opening and the closure of dust fall net, only need manually to catch the portable dust catching net slip when the vehicle passes through and move aside, it makes the portable dust catching net slip closure to resume after the vehicle passes through again, guarantee that it is not by past vehicle extrusion deformation, even squeeze, make it lose the dust fall function, catch the distance and the coal dust catching of dust catching net apart from the tunnel both ends and moist transverse section size through adjusting each piece of portable dust catching net simultaneously, thereby realize tunnel furthest's dust catching and dust fall effect.
As shown in fig. 3, in the present embodiment, the sliding rails 51 include at least two sets, and each set of sliding rails 51 has a dust catching net 2 disposed therein. Through setting up the multiunit slide rail respectively with the multiunit catch the cooperation removal of dirt net, thereby can furthest improve the adjustment convenience that the portable dirt net was caught and realize tunnel furthest's catching dirt and dust fall effect easily.
As shown in fig. 1 to 3, further, in the present embodiment, the top of the dust-catching net 2 is provided with a hanging wheel structure 7 engaged with the slide rail 51. Through the hanging wheel structure, the sliding process of the movable dust catching net in the sliding rail can be ensured to be stable, reliable and smooth. Further, in this embodiment, the sling wheel structures 7 are symmetrically arranged on top of the dust catching net 2. The hanging wheel structure arranged symmetrically realizes the movable connection of the dust catching net and the sliding rail, and the stability and the reliability of the cooperation between the dust catching net and the sliding rail can be further ensured. Specifically, in the present embodiment, the hanging wheel structure 7 comprises two symmetrically arranged sets of hanging wheels 71, and the two sets of hanging wheels 71 are connected with the dust catching net 2 through two sets of connecting rods 72 arranged perpendicularly to each other. The hanging wheel structure in the form can guarantee that the sliding process of the movable dust catching net in the sliding rail is stable, reliable and smooth in all directions.
According to the embodiment, the roadway dust catching device can improve the dust catching and falling effects of the roadways with large dust content, such as the mine fully mechanized mining working face return air gateway, the mine total return air main roadway and the like, eliminate the occupational health hidden danger of workers, avoid the occurrence of mine coal dust explosion accidents, reduce the labor amount, improve the labor efficiency, avoid the danger of ascending operation in the process of disassembling and installing the spraying and dust falling device by the workers and reduce the labor cost. Meanwhile, in order to guarantee the dust catching and falling effect and not influence the passing of the roadway vehicles, and also in order to facilitate the opening of the dust catching and falling net when the vehicles pass, the dust catching and falling net is easy to close after the vehicles pass, and is not extruded and deformed or even extruded and broken by the passing vehicles, so that the dust falling function is lost, and the material cost of the repeated processing spraying device is saved.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, the appended claims are intended to be construed to include preferred embodiments and all such changes and/or modifications as fall within the scope of the utility model, and all such changes and/or modifications as are made to the embodiments of the present invention are intended to be covered by the scope of the utility model.
Claims (10)
1. A roadway dust catching device is characterized by comprising a spraying device, a dust catching net, a fixed pulley and a fixed part; wherein the content of the first and second substances,
the spraying device and the dust catching net are arranged on a fixed cross beam, and two ends of the fixed cross beam are respectively provided with the fixed pulley and are connected with one end of a steel wire rope on the fixed pulley;
the fixed pulley is hung on the fixed part, and the fixed part is arranged at the top of the roadway.
2. The roadway dust catching device of claim 1, wherein the dust catching nets comprise at least two groups, the fixed cross beam is provided with slide rails, and the dust catching nets are used for moving along the slide rails.
3. The roadway dust catching device of claim 2, wherein the slide rails comprise at least two sets, and each set of the slide rails is provided with the dust catching net therein.
4. A roadway dust catching apparatus as claimed in claim 2 or 3, wherein the top of the dust catching net is provided with a hanging wheel structure which is matched with the slide rail.
5. The roadway dust catching apparatus of claim 4, wherein the hanging wheel structures are symmetrically arranged on top of the dust catching net.
6. The roadway dust catching apparatus of claim 4, wherein the hanging wheel structure comprises two sets of hanging wheels arranged symmetrically, and the two sets of hanging wheels are connected with the dust catching net through two sets of connecting rods arranged perpendicularly to each other.
7. The roadway dust collecting device of any one of claims 1 to 3, wherein the fixing part comprises a steel belt or a mesh sheet of the roadway roof, and the fixed pulley is hung on meshes of the steel belt or the mesh sheet through a hook.
8. The roadway dust catching device of any one of claims 1 to 3, wherein the spray device comprises a negative pressure dust removal spray nozzle.
9. The roadway dust collecting device of any one of claims 1 to 3, wherein the water inlet end of the spraying device is provided with a wind-water separator.
10. A roadway dust collecting device according to any one of claims 1 to 3, wherein the spraying devices are arranged on the fixed cross beam at regular intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121201544.6U CN215332970U (en) | 2021-05-31 | 2021-05-31 | Tunnel dust catching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121201544.6U CN215332970U (en) | 2021-05-31 | 2021-05-31 | Tunnel dust catching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215332970U true CN215332970U (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121201544.6U Active CN215332970U (en) | 2021-05-31 | 2021-05-31 | Tunnel dust catching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215332970U (en) |
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2021
- 2021-05-31 CN CN202121201544.6U patent/CN215332970U/en active Active
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