CN216866701U - Dust removal device for coal mine development machine - Google Patents
Dust removal device for coal mine development machine Download PDFInfo
- Publication number
- CN216866701U CN216866701U CN202220421453.1U CN202220421453U CN216866701U CN 216866701 U CN216866701 U CN 216866701U CN 202220421453 U CN202220421453 U CN 202220421453U CN 216866701 U CN216866701 U CN 216866701U
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- Prior art keywords
- dust
- dust collection
- connecting column
- head
- coal mine
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- 239000000428 dust Substances 0.000 title claims abstract description 239
- 239000003245 coal Substances 0.000 title claims abstract description 13
- 230000005641 tunneling Effects 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000001914 filtration Methods 0.000 claims description 17
- 230000000694 effects Effects 0.000 abstract description 12
- 239000003595 mist Substances 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Images
Abstract
The utility model relates to the technical field of development machines, and provides a dust removal device for a coal mine development machine, which comprises a development machine body, wherein a cutting part and a dust removal mechanism are arranged on the development machine body, and the cutting part comprises a connecting column and a development head arranged at the free end of the connecting column; the dust removal mechanism comprises a dust collection box, a dust collection device and a driving assembly, the dust collection box is provided with a notch for the connecting column to pass through, a dust collection cavity is arranged in the dust collection box, and a dust collection air port communicated with the dust collection cavity is formed in one side of the dust collection box close to the tunneling head; the dust collection device is communicated with the dust collection cavity through a hose; the driving component is used for driving the dust collection box to move along the axial direction of the connecting column. According to the utility model, the dust removing mechanism is additionally arranged on the connecting column of the cutting part, and the dust atomized by the water mist sprayed by the atomizing nozzle on the tunneling head can be timely treated by utilizing the dust removing mechanism, so that the dust removing effect is improved.
Description
Technical Field
The utility model relates to the technical field of development machines, in particular to a dust removal device for a coal mine development machine.
Background
The heading machine is a machine which is commonly used for cutting a roadway on a straight ground, and is provided with a cutting part positioned in front, a heading head is arranged in front of the cutting part, and the heading head continuously breaks rocks and transports the broken rocks along with the forward propulsion of a travelling mechanism, so that the heading machine has the advantages of safety, high efficiency, good roadway forming quality and the like.
The conventional tunneling machine is provided with an atomizing nozzle on a tunneling head, and the atomizing nozzle can spray water mist to realize dust removal in actual operation. However, since the operation range of the heading head is large, dust atomized by the water mist sprayed from the atomizing nozzle often floats in the operation space, which may cause sight interference to workers driving the heading machine, and the dust removal effect is not good.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a dust removal device for a coal mine heading machine, which is used for solving the technical problem of poor dust removal effect when only an atomizing spray head is used for removing dust in the prior art.
The embodiment of the utility model is realized by the following technical scheme:
the utility model provides a dust collector for colliery entry driving machine, includes the entry driving machine body, be equipped with cutting units and dust removal mechanism on the entry driving machine body, cutting units includes the spliced pole and locates the tunnelling head of spliced pole free end, dust removal mechanism includes:
the dust collection box is provided with a notch for the connecting column to pass through; a dust collecting cavity is arranged in the dust collecting box, and a dust collecting air port communicated with the dust collecting cavity is formed in one side of the dust collecting box close to the tunneling head;
the dust collection device is communicated with the dust collection cavity through a hose; and the number of the first and second groups,
and the driving component is used for driving the dust collection box to move along the axial direction of the connecting column.
Optionally, the dust removing mechanism further comprises a dust collecting cover, and the dust collecting cover is sleeved on the outer wall of the connecting column; one side of the dust hood is connected with one side of the dust hood, which is provided with the dust collecting air opening, and the other side of the dust hood faces the tunneling head.
Further, the inner diameter of one side of the dust collection cover facing the tunneling head is not smaller than the outer diameter of the tunneling head.
Optionally, the driving assembly is a hydraulic cylinder, the hydraulic cylinder is fixedly arranged on the outer wall of the connecting column, and the output end of the hydraulic cylinder extends along the axial direction of the connecting column and then is connected with the dust collection box.
Further, the spliced pole includes fixed part and pars contractilis, the fixed part with the entry driving machine body links to each other, the one end of pars contractilis with the fixed part links to each other, the other end of pars contractilis with the tunnelling head links to each other, the pneumatic cylinder set up in the outer wall of fixed part.
Furthermore, the number of the hydraulic cylinders is two, and the two hydraulic cylinders are symmetrically arranged on two sides of the connecting column.
Optionally, the dust suction device includes a dust suction box, a dust suction fan and a filtering component, an air outlet is arranged on one side of the dust suction box, the dust suction fan is arranged on one side of the dust suction box, which is far away from the air outlet, the input end of the dust suction fan is communicated with the dust collection cavity through the hose, the filtering component is arranged between the dust suction fan and the air outlet, the output end of the dust suction fan faces the filtering component, and the filtering component is used for filtering air sucked by the dust suction fan.
Furthermore, the filtering component comprises a plurality of filtering nets, and the filtering nets are sequentially arranged between the dust suction fan and the air outlet.
The technical scheme of the embodiment of the utility model at least has the following advantages and beneficial effects:
according to the utility model, the dust removing mechanism is additionally arranged on the connecting column of the cutting part, and the dust atomized by the water mist sprayed by the atomizing nozzle on the tunneling head can be timely treated by utilizing the dust removing mechanism, so that the dust removing effect is improved. Meanwhile, the driving assembly is arranged to drive the dust collection box to move axially along the connecting column, so that the distance from the dust collection air port to the tunneling head is adjusted, the distance from the dust collection air port to the tunneling head is in a better dust collection distance, and the practicability of the dust removal device is improved on the basis of further improving the dust removal effect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a dust removing device provided in an embodiment of the present invention;
FIG. 2 is a side view of a dust bin and dust cage provided in accordance with an embodiment of the present invention;
FIG. 3 is a schematic view of the internal structure of the dust box and the dust hood provided in the embodiment of the present invention;
fig. 4 is a schematic internal structure diagram of a dust suction device according to an embodiment of the present invention.
Icon: 1-tunneling machine body, 2-connecting column, 21-fixing part, 22-telescopic part, 3-tunneling head, 4-dust collection box, 41-notch, 42-dust collection cavity, 43-dust collection air port, 5-dust collection cover, 6-dust collection device, 61-dust collection box, 611-air outlet, 62-dust collection fan, 63-filter screen, 7-hose and 8-hydraulic cylinder.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "axial," "upper," "lower," "vertical," "inner," "outer," and the like are used, they are based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of this application is used, and are used for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
The embodiment provides a dust removal device for a coal mine heading machine, which is used for auxiliary dust removal during the operation of the heading machine. Referring to fig. 1, the dust removing device comprises a heading machine body 1, wherein a cutting part and a dust removing mechanism are arranged on the heading machine body 1, and the cutting part comprises a connecting column 2 and a heading head 3 arranged at the free end of the connecting column 2.
The connecting column 2 is of a telescopic structure, the connecting column 2 comprises a fixing portion 21 and a telescopic portion 22, the fixing portion 21 is connected with the heading machine body 1, one end of the telescopic portion 22 is connected with the fixing portion 21, and the other end of the telescopic portion 22 is connected with the heading head 3. During operation, the telescopic part 22 drives the tunneling head 3 to move along the axial direction of the connecting column 2 under the driving of the corresponding power mechanism, so as to realize the adjustment of the position of the tunneling head 3. Of course, the non-retractable connecting column 2 may also be directly used to connect the heading head 3, and for the specific structure of the connecting column 2, reference may be made to the structure of the cutting part of the conventional heading machine, which is not described herein in detail.
With continued reference to fig. 1, the dust removing mechanism comprises a dust box 4, a dust cage 5, a dust suction device 6 and a drive assembly.
Referring to fig. 2, the dust box 4 is provided with a notch 41 for the connection column 2 to pass through, and at this time, one end of the connection column 2 passes through the notch 41 of the dust box 4 and then is connected with the heading head 3, and the dust box 5 can be slidably connected with the outer wall of the connection column 3 in actual implementation, so as to improve the stability of the dust box 5 during movement. Meanwhile, referring to fig. 3, a dust collecting chamber 42 is provided inside the dust collecting box 4, and a dust collecting tuyere 43 communicating with the dust collecting chamber 42 is opened at a side of the dust collecting box 4 close to the tunneling head 3 to suck dust into the dust collecting chamber 42 through the dust collecting tuyere 43.
It is understood that one or more dust collecting tuyere 43 may be provided in the dust box 4. With reference to fig. 2, when the plurality of dust collecting air ports 43 are provided, the plurality of dust collecting air ports 43 are uniformly distributed along the circumferential direction of the connecting column 2 at a certain interval, so that dust generated in each direction during operation can more uniformly enter the dust collecting cavity 42, thereby improving the dust removing effect.
With reference to fig. 3, the dust collecting cover 5 is disposed on the dust collecting box 4, the dust collecting cover 5 is a hollow structure with openings on both sides, and at this time, the dust collecting cover 5 is sleeved on the outer wall of the connecting column 2 and is not in contact with the outer wall of the connecting column 2. Wherein, one side of the dust hood 5 is connected with one side of the dust box 4 provided with the dust collecting air port 43, the other side of the dust hood 5 faces the tunneling head 3, and the dust generated in the operation can be better gathered to the dust collecting air port 43 through the dust hood 5.
It will be appreciated that, with continued reference to figure 3, the inner diameter of the dust cage 5 towards the heading head 3 is no less than the outer diameter of the heading head 3, and the dust cage 5 is truncated cone shaped to increase the dust collecting area of the dust cage 5 as much as possible to further improve the dust removal effect.
With continued reference to fig. 1, the dust suction device 6 is also provided on the heading machine body 1, and the dust suction device 6 communicates with the dust collection chamber 42 of the dust box 4 through the hose 7 to generate an adsorption force by the dust suction device 6, and dust generated during operation enters the dust suction device 6 after passing through the dust collection cover 5, the dust collection tuyere 43, the dust collection chamber 42, and the hose 7 in order.
Specifically, referring to fig. 4, the dust suction device 6 includes a dust suction box 61, a dust suction fan 62, and a filter assembly. An air outlet 611 is formed in one side of the dust box 61, the dust suction fan 62 is disposed inside the dust box 61 and away from the air outlet 611, and an input end of the dust suction fan 62 is communicated with the dust collection cavity 42 through the hose 7, so that dust generated during operation is sucked into the dust box 61 through the dust suction fan 62.
The filtering assembly is also disposed inside the dust collection box 61 and between the dust collection fan 62 and the air outlet 611, and the output end of the dust collection fan 62 faces the filtering assembly, at this time, the air sucked by the dust collection fan 62 and having dust is sprayed to the filtering assembly by the output end of the dust collection fan 62, so that the air sucked by the dust collection fan 62 is filtered by the filtering assembly and then discharged from the air outlet 611, thereby playing a role of filtering and purifying air.
With continued reference to fig. 4, the filter assembly includes a filter screen 63, and the filter screen 63 is vertically disposed between the dust suction fan 62 and the air outlet 611, so as to filter and purify the air sucked by the dust suction fan 62 through the filter screen 63. It will be appreciated that in practice, a conventional air filtering purifier may be disposed directly inside the dust box 61 to filter and purify air, and the specific type of filtering assembly is not limited herein.
For example, one or more filter screens 63 may be disposed in the dust collection box 61, and when a plurality of filter screens 63 are disposed, the plurality of filter screens 63 are sequentially disposed between the dust collection fan 62 and the air outlet 611, so as to improve the effect of filtering and purifying air.
In addition, it is considered that the distance between the dust collecting tuyere 43 provided in the dust box 4 and the bit 3 directly affects the dust removing effect in the actual work. Therefore, the driving assembly of the embodiment is used for driving the dust box 4 to move along the axial direction of the connecting column 2, so as to adjust the distance from the dust collecting air opening 43 to the tunneling head 3 according to the actual operation condition, thereby ensuring that the dust collecting air opening 43 and the tunneling head 3 are in a better dust collection distance, and improving the dust removal effect.
Specifically, the driving assembly may be a conventional linear driving device, such as an air cylinder, a hydraulic cylinder 8, an electric push rod, etc., and the specific type of the driving assembly is not particularly limited herein. Continuing to refer to fig. 1, the driving assembly of this embodiment employs the hydraulic cylinder 8, and the hydraulic cylinder 8 is fixedly disposed on the outer wall of the fixing portion 21 of the connecting column 2, and at this time, the output end of the hydraulic cylinder 8 is connected to one side of the dust box 4 far away from the dust hood 5 after extending along the axial direction of the connecting column 2, so as to drive the dust box 4 to reciprocate along the axial direction of the connecting column 2 by using the hydraulic cylinder 8. Simultaneously, through setting up pneumatic cylinder 8 on the outer wall of fixed part 21 for spliced pole 2 can normally stretch out and draw back, avoids pneumatic cylinder 8 and spliced pole 2's pars contractilis 22 to produce and interferes.
It can be understood that the number of the hydraulic cylinders 8 is two, and the two hydraulic cylinders 8 are symmetrically arranged on two sides of the connecting column 2, so that the two hydraulic cylinders 8 can drive the dust box 4 to move, and the stability of the dust box 4 in the moving process is improved. Of course, in actual implementation, the number and arrangement of the hydraulic cylinders 8 may be determined according to actual conditions, and are not particularly limited herein.
It should be noted that, in the case of the above-mentioned driving assembly, the hose 7 for communicating the dust collecting chamber 42 with the dust suction fan 62 is reserved with a sufficient length to ensure that the dust box 4 can smoothly move along the axial direction of the connecting column 2.
In order to more clearly understand the dust removing device provided in the present embodiment, the working principle of the dust removing device will be further explained below.
Firstly, before the operation is started, the hydraulic cylinder 8 can be controlled to work to drive the dust box 4 to move along the axial direction of the connecting column 2, and at the moment, the dust box 4 drives the dust hood 5 to move along the axial direction of the connecting column 2 until the distance from the dust collecting air opening 43 to the tunneling head 3 is in a better dust collection distance.
And then starting the tunneling head 3 to start tunneling operation, and simultaneously starting the dust collection fan 62, wherein dust generated by the work of the tunneling head 3 sequentially passes through the dust collection cover 5, the dust collection air port 43, the dust collection cavity 42 and the hose 7 and then is sprayed out to the filter screen 63 through the output end of the dust collection fan 62, and air with dust is filtered by the filter screen 63 and then is discharged through the air outlet 611.
Therefore, the dust removing device provided by the embodiment can be used for timely treating the water mist atomized dust sprayed by the atomizing nozzle on the tunneling head 3 by additionally arranging the dust removing mechanism on the connecting column 2 of the cutting part, so that the dust removing effect is improved. Meanwhile, the driving component is arranged to drive the dust collection box 4 to move along the axial direction of the connecting column 2, so that the distance from the dust collection air port 43 to the tunneling head 3 is adjusted, the distance from the dust collection air port 43 to the tunneling head 3 is in a better dust collection distance, and the practicability of the dust removal device is improved on the basis of further improving the dust removal effect.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a dust collector for colliery entry driving machine, includes the entry driving machine body, be equipped with cutting units and dust removal mechanism on the entry driving machine body, cutting units includes the spliced pole and locates the tunnelling head of spliced pole free end, its characterized in that, dust removal mechanism includes:
the dust collection box is provided with a notch for the connecting column to pass through; a dust collecting cavity is arranged in the dust collecting box, and a dust collecting air port communicated with the dust collecting cavity is formed in one side of the dust collecting box close to the tunneling head;
the dust collection device is communicated with the dust collection cavity through a hose; and the number of the first and second groups,
the driving component is used for driving the dust collection box to move along the axial direction of the connecting column.
2. The dust collector for a coal mine heading machine according to claim 1, wherein the dust collecting mechanism further comprises a dust collecting cover, and the dust collecting cover is sleeved on the outer wall of the connecting column; one side of the dust hood is connected with one side of the dust hood provided with the dust collecting air opening, and the other side of the dust hood faces the tunneling head.
3. The dust removing device for a coal mine heading machine according to claim 2, wherein an inner diameter of a side of the dust cage facing the heading head is not smaller than an outer diameter of the heading head.
4. The dust collector for the coal mine heading machine according to claim 1, wherein the driving component is a hydraulic cylinder, the hydraulic cylinder is fixedly arranged on the outer wall of the connecting column, and the output end of the hydraulic cylinder extends along the axial direction of the connecting column and then is connected with the dust collection box.
5. The dust collector for a coal mine heading machine according to claim 4, wherein the connecting column comprises a fixed part and a telescopic part, the fixed part is connected with the heading machine body, one end of the telescopic part is connected with the fixed part, the other end of the telescopic part is connected with the heading head, and the hydraulic cylinder is arranged on the outer wall of the fixed part.
6. The dust collector for a coal mine heading machine according to claim 4, wherein the number of the hydraulic cylinders is two, and the two hydraulic cylinders are symmetrically arranged on two sides of the connecting column.
7. The dust collector for the coal mine heading machine according to claim 1, wherein the dust collector comprises a dust collection box, a dust collection fan and a filter assembly, an air outlet is formed in one side of the dust collection box, the dust collection fan is arranged on one side, far away from the air outlet, in the dust collection box, an input end of the dust collection fan is communicated with the dust collection cavity through the hose, the filter assembly is arranged between the dust collection fan and the air outlet, an output end of the dust collection fan faces the filter assembly, and the filter assembly is used for filtering air sucked by the dust collection fan.
8. The dust collector for coal mine heading machine according to claim 7, wherein the filter assembly comprises a plurality of filter screens, and the plurality of filter screens are sequentially arranged between the dust suction fan and the air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220421453.1U CN216866701U (en) | 2022-02-28 | 2022-02-28 | Dust removal device for coal mine development machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220421453.1U CN216866701U (en) | 2022-02-28 | 2022-02-28 | Dust removal device for coal mine development machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216866701U true CN216866701U (en) | 2022-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220421453.1U Expired - Fee Related CN216866701U (en) | 2022-02-28 | 2022-02-28 | Dust removal device for coal mine development machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN216866701U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115614036A (en) * | 2022-12-19 | 2023-01-17 | 北京中海兴达建设有限公司 | Dust treatment device and dust treatment method for heading machine |
-
2022
- 2022-02-28 CN CN202220421453.1U patent/CN216866701U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115614036A (en) * | 2022-12-19 | 2023-01-17 | 北京中海兴达建设有限公司 | Dust treatment device and dust treatment method for heading machine |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220701 |