CN112031850A - Dust falling guide moving device for hydraulic support side guard plate of fully mechanized coal mining face - Google Patents
Dust falling guide moving device for hydraulic support side guard plate of fully mechanized coal mining face Download PDFInfo
- Publication number
- CN112031850A CN112031850A CN202011038537.9A CN202011038537A CN112031850A CN 112031850 A CN112031850 A CN 112031850A CN 202011038537 A CN202011038537 A CN 202011038537A CN 112031850 A CN112031850 A CN 112031850A
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- China
- Prior art keywords
- dust
- hydraulic support
- side guard
- guard plate
- fully mechanized
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000428 dust Substances 0.000 title claims abstract description 117
- 238000005065 mining Methods 0.000 title claims abstract description 22
- 239000003245 coal Substances 0.000 title abstract description 7
- 238000005507 spraying Methods 0.000 claims description 41
- 239000007921 spray Substances 0.000 claims description 15
- 239000003595 mist Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 230000036541 health Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 206010035653 pneumoconiosis Diseases 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Fertilizing (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to the technical field of a dust control device of a fully mechanized mining face of a coal mine, in particular to a dust guide and moving device of a side protection plate of a hydraulic support of a fully mechanized mining face, which comprises a first mounting seat, a telescopic piece, a connecting piece, a dust receiving groove and a second mounting seat, wherein the first mounting seat and the second mounting seat are fixedly arranged, one end of the telescopic piece is hinged with the first mounting seat, the other end of the telescopic piece is hinged with the connecting piece, the connecting piece is fixed on the side face of the dust receiving groove, the second mounting seat is hinged with a notch of the dust receiving groove, the first mounting seat and the second mounting seat are fixed on the side protection plate of the hydraulic support, dust falls on the dust receiving groove, the dust slides to a low-level area behind the working face through the dust receiving groove, the dust is prevented from directly falling on a pedestrian crosswalk area of the support, and the influence of the dust on the health of workers is reduced, effectively improved staff's operational environment, promoted the dust fall effect.
Description
Technical Field
The invention relates to the technical field of coal mine fully-mechanized mining face dust control devices, in particular to a fully-mechanized mining face hydraulic support side guard plate dust falling guide moving device.
Background
The fully mechanized mining face is a serious disaster area polluted by dust, and works in an environment with high-concentration dust for a long time, so that the risk of the miners suffering from pneumoconiosis is greatly increased. According to related researches, more than 80% of dust in the operation area of the fully mechanized mining face personnel with large mining height comes from the bracket moving frame dust production, the proportion of the bracket moving frame dust production of the general fully mechanized mining face can also reach more than 40%, a large amount of dust is scattered to a pedestrian path from the side guard plate gap of two adjacent brackets and is rapidly diffused under the action of wind current, and the working environment of the fully mechanized mining face personnel is seriously deteriorated.
At present, four main treatment measures of support spraying dust reduction, support side guard plate opposite spraying, support top coal pre-wetting, support closed dust guide and the like are taken for dust generated by support column descending and support moving. The support spraying dust-settling measure is that spraying is generally arranged on a support top beam at the leeward side of a falling column moving frame, and the diffused dust is settled by using spraying, so that the dust-settling efficiency is only about 20%; the bracket side guard plate is used for spraying, generally, the spray is arranged at the position of the bracket side guard plate, the crushed coal body scattered from a gap is quickly wetted by the spray, the dust fall efficiency can reach about 70 percent, and the working environment is further deteriorated due to the water spraying on the working surface caused by the spray; the support top coal pre-wetting spraying is generally to arrange the spraying at the positions of a support top beam, a shield beam or the top, and similar research in foreign countries shows that the dust settling efficiency of the measure can also reach about 80 percent, but a nozzle is easy to block, and the spraying of a working surface to a certain degree can also be caused; the dust guide device is arranged on the side guard plate of the support, the dust fall efficiency can reach more than 95 percent, but the dust guide device is only suitable for a fully-mechanized mining face with large mining height generally and is not suitable for the fully-mechanized mining face with common mining height.
Disclosure of Invention
The invention aims to: to prior art existence hydraulic support at the antedisplacement in-process, the dust at top easily drops from the gap between the hydraulic support, through the single mode of spraying dust fall, influences staff's work, worsens operational environment or receives the space restriction can't install the problem of sealing the dust guide device, provides a combine and adopts working face hydraulic support side guard plate dust fall to lead and moves the device.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides a combine and adopt working face hydraulic support side guard board dust fall and lead device that moves which characterized in that, includes first mount pad, extensible member, connecting piece, connects dirt groove and second mount pad, first mount pad with the second mount pad is all fixed to be set up, the one end of extensible member with first mount pad is articulated, the other end of extensible member with the connecting piece is articulated, the connecting piece is fixed connect the side in dirt groove, the second mount pad with the notch that connects the dirt groove is articulated.
As a preferable scheme of the invention, a spraying device is arranged in the dust collecting groove, the dust collecting groove rotates to a position below a gap between two hydraulic supports in the moving process of the hydraulic supports, dust generated above the hydraulic supports falls into the dust collecting groove, and is guided to a low-position area behind a working surface under the action of the spraying device, so that the influence of the dust on the body health of workers is reduced, water drops generated by the spraying device are discharged to the rear of the working surface through the dust collecting groove, the water drops cannot be sprayed on a sidewalk, and the influence of the water drops on the workers is reduced.
As a preferable scheme of the present invention, the spraying device is disposed at one end of the dust receiving groove, a mist flow of the spraying device faces the other end of the dust receiving groove, the spraying device is mounted at the front end of the dust receiving groove, and the spraying device sprays the dust to the rear, so that the dust is reduced to fall in front of a working surface, the health of workers is effectively ensured, and the dust settling effect is improved.
According to the preferable scheme of the invention, the telescopic piece is an oil cylinder, the cylinder body of the oil cylinder is hinged with the mounting seat, and the piston rod of the oil cylinder is hinged with the connecting piece, so that the dust collecting groove can smoothly rotate to the outer side of the side protection plate to collect and guide dust, the influence on workers is reduced, and the treatment efficiency of dust generated by the hydraulic support is improved.
As a preferred scheme of the invention, the oil cylinder is connected with an oil cylinder control valve through a pipeline, a spraying linkage valve is arranged on the pipeline of the oil cylinder and connected with the spraying device, when the oil cylinder control valve is opened to drive the oil cylinder to extend, the spraying linkage valve is simultaneously opened, the spraying device performs spraying operation, the dust collecting groove sprays dust when receiving dust, the dust collecting effect is improved, and when the oil cylinder control valve is closed, the oil cylinder is recovered, and simultaneously the spraying linkage valve closes the spraying device.
As a preferable scheme of the invention, the dust collecting groove is U-shaped, so that dust flows to the bottom of the dust collecting groove, a baffle plate for the dust is formed around the dust collecting groove, and the dust is prevented from splashing everywhere.
As a preferable scheme of the invention, a plurality of second mounting seats are arranged, so that the mounting stability of the dust collecting groove is improved.
As a preferable scheme of the invention, the fully mechanized mining face hydraulic support side guard plate dust falling guide and movement device further comprises side guard plates and a support top beam, the side guard plates are fixedly arranged on two sides of the support top beam, the first mounting seat and the second mounting seat are both fixed on the inner sides of the side guard plates, the dust collecting groove inclines towards the lower rear part of the side guard plates in the extending direction, and the telescopic piece drives the dust collecting groove to rotate towards the outer sides of the side guard plates in the telescopic process.
Compared with the prior art, the invention has the beneficial effects that:
1. fix first mount pad and second mount pad on hydraulic support's side guard plate, hydraulic support antedisplacement in-process, the dust at top drops from the gap, it rotates to connect the dirt groove to drive through the extensible member is flexible, connect the dirt groove to rotate to the below of side guard plate, the dust drops on connecing the dirt groove, the dust is through connecing the low level region at dirt groove landing to working face rear, it directly spills the support cross walk region to have avoided the dust, reduce the influence that the dust is healthy to staff, staff's operational environment has effectively been improved, the dust fall effect has been promoted.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the skirt mounted on the hydraulic support;
FIG. 3 is a schematic structural view illustrating the dust collecting groove rotating to a position below the gap when the hydraulic support is moved;
FIG. 4 is a schematic diagram of the hydraulic mount after movement;
FIG. 5 is a schematic structural view of the connection between the cylinder control valve and the spray linkage valve;
the labels in the figure are: 1-a first mounting seat, 2-a telescopic part, 3-a connecting part, 4-a dust collecting groove, 5-a side guard plate, 6-a spraying device, 7-a support top beam, 8-a second mounting seat, 9-an oil cylinder control valve and 10-a spraying linkage valve.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments. It should be understood that the scope of the above-described subject matter is not limited to the following examples, and any techniques implemented based on the disclosure of the present invention are within the scope of the present invention.
Example 1
As shown in fig. 1-4, a combine and adopt working face hydraulic support side guard board dust fall to lead and move device, include first mount pad 1, extensible member 2, connecting piece 3, connect dirt groove 4 and second mount pad 8, first mount pad 1 with second mount pad 8 is all fixed to be set up, the one end of extensible member 2 with first mount pad 1 is articulated, the other end of extensible member 2 with connecting piece 3 is articulated, connecting piece 3 is fixed connect the side of dirt groove 4, second mount pad 8 with the notch that connects dirt groove 4 is articulated.
In this embodiment, connect to be provided with atomizer 6 in the dirt groove 4, fix first mount pad 1 and second mount pad 8 on side guard plate 5 after, at hydraulic support at the removal in-process, connect dirt groove 4 to rotate to the clearance below between two hydraulic support, the dust that produces in the hydraulic support top drops to and connects dirt groove 4 in, through leading the low level region that moves to the working face rear under atomizer 6's effect, reduce the influence of dust to the staff healthy, the water droplet that atomizer 6 produced arranges to the rear of working face through connecting dirt groove 4, the water droplet can not spray on the pavement, reduce the influence of water droplet to the staff.
In this embodiment, atomizer 6 sets up connect the one end of dirt groove 4, atomizer 6's fog flows the orientation connect the other end of dirt groove 4, atomizer 6 orientation the lower rear of side guard plate 5 is connecing dust groove 4's front end installation atomizer 6, and the spraying is with the dust area to the rear of side guard plate 5, reduces the place ahead of dust fall at the working face, has effectively guaranteed that staff's is healthy, has promoted the dust fall effect.
In this embodiment, extensible member 2 is the hydro-cylinder, the cylinder body of hydro-cylinder with mount pad 1 is articulated, the piston rod of hydro-cylinder with connecting piece 3 is articulated, ensures to connect dirt groove 4 can rotate smoothly to the outside of side guard plate 5, carries out the collection dirt and leads the dirt, reduces the influence to the staff, has promoted the treatment effeciency to the dust that hydraulic support produced.
As shown in fig. 5, in this embodiment, the oil cylinder is connected with an oil cylinder control valve 9 through a pipeline, a spray linkage valve 10 is arranged on the pipeline of the oil cylinder, the spray linkage valve 10 is connected with the spraying device, when the oil cylinder control valve 9 is opened to drive the oil cylinder to extend, the spray linkage valve 10 is simultaneously opened, the spraying device 6 performs spraying operation, the dust collecting groove 4 sprays dust when receiving dust, the dust collecting effect is improved, and when the oil cylinder control valve 9 is closed, the oil cylinder is recycled, and simultaneously the spraying device 6 is closed by the spray linkage valve 10.
In this embodiment, the dust receiving groove 4 is U-shaped, so that the dust flows to the bottom of the dust receiving groove 4, and a baffle for the dust is formed around the dust receiving groove, thereby preventing the dust from flying around.
In this embodiment, the second mounting seat 8 is provided with a plurality of, and the stability of installing the dust collecting groove 4 is improved.
In this embodiment, still include side guard plate 5 and support back timber 7, side guard plate 5 is fixed to be set up the both sides of support back timber 7, first mount pad 1 with second mount pad 8 is all fixed the inboard of side guard plate 5, connect dirt groove 4 on the extending direction to the lower rear slope of side guard plate 5, the flexible in-process of extensible member 2 drives connect dirt groove 4 court the outside of side guard plate 5 is rotated for gap between the hydraulic support can drop to connect dirt groove 4 in, through connecing the low level region at dirt groove landing to the working face rear, and carry out the dust fall through atomizer 6, avoid scattering of dust.
The specific working process of the application is as follows: when the hydraulic supports are moved, the oil cylinder control valve 9 is opened to drive the oil cylinder to stretch, the oil cylinder stretches and retracts to drive the dust receiving groove 4 to rotate, the dust receiving groove 4 rotates to the position below a gap between two adjacent hydraulic supports, at the moment, the spraying device 6 is started through the spraying linkage valve 10, a large amount of dust falls out of the gap in the process of moving the hydraulic supports, the dust enters the dust receiving groove 4, the spraying device 6 sprays to carry out dust fall, the dust is discharged to a low-position area behind a working face, the influence of the dust on the health of workers is reduced, the working environment of the workers is effectively improved, the dust fall effect is improved, after one hydraulic support is moved, the oil cylinder control valve 9 on the hydraulic support drives the dust receiving groove 4 to be recovered, the spraying device 6 is closed through the spraying linkage valve 10, the telescopic piece 2 on the next hydraulic support drives the dust receiving groove 4 to rotate to the position below the gap, the interference caused by the dust collecting grooves 4 between the adjacent hydraulic supports is avoided.
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 invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a combine and adopt working face hydraulic support side guard board dust fall and lead device that moves which characterized in that, include first mount pad (1), extensible member (2), connecting piece (3), connect dirt groove (4) and second mount pad (8), first mount pad (1) with second mount pad (8) are all fixed to be set up, the one end of extensible member (2) with first mount pad (1) is articulated, the other end of extensible member (2) with connecting piece (3) are articulated, connecting piece (3) are fixed connect the side in dirt groove (4), second mount pad (8) with the notch that connects dirt groove (4) is articulated.
2. The fully mechanized mining face hydraulic support side guard plate dust falling guide and moving device of claim 1, wherein a spraying device (6) is arranged in the dust collecting groove (4).
3. The fully mechanized mining face hydraulic support side guard plate dust falling guide device of claim 2, wherein the spraying device (6) is arranged at one end of the dust collecting groove (4), and the mist flow of the spraying device (6) faces the other end of the dust collecting groove (4).
4. The fully mechanized mining face hydraulic support side guard plate dust fall guiding and moving device according to claim 3, wherein the telescopic part (2) is an oil cylinder, a cylinder body of the oil cylinder is hinged to the mounting base (1), and a piston rod of the oil cylinder is hinged to the connecting part (3).
5. The fully mechanized mining face hydraulic support side guard plate dust fall guiding and moving device according to claim 4, wherein the oil cylinder is connected with an oil cylinder control valve (9) through a pipeline, a spray linkage valve (10) is arranged on the pipeline of the oil cylinder, and the spray linkage valve (10) is connected with the spraying device.
6. The fully mechanized mining face hydraulic support side guard plate dust falling guide and moving device of claim 1, wherein the dust collecting groove (4) is U-shaped.
7. The fully mechanized mining face hydraulic support side guard plate dust fall guide and removal device according to claim 1, wherein the second mounting seat (8) is provided in plurality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011038537.9A CN112031850B (en) | 2020-09-28 | 2020-09-28 | Comprehensive mining working face hydraulic support side guard plate dust fall guiding and moving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011038537.9A CN112031850B (en) | 2020-09-28 | 2020-09-28 | Comprehensive mining working face hydraulic support side guard plate dust fall guiding and moving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112031850A true CN112031850A (en) | 2020-12-04 |
| CN112031850B CN112031850B (en) | 2024-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011038537.9A Active CN112031850B (en) | 2020-09-28 | 2020-09-28 | Comprehensive mining working face hydraulic support side guard plate dust fall guiding and moving device |
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| CN (1) | CN112031850B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113494308A (en) * | 2021-08-20 | 2021-10-12 | 中煤科工集团重庆研究院有限公司 | Torsion spring type dust collecting and guiding method and device |
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| KR101831941B1 (en) * | 2016-12-14 | 2018-04-05 | 서울교통공사 | Particulate Matter collector for railway vehicles |
| CN108930549A (en) * | 2018-07-02 | 2018-12-04 | 山东科技大学 | A kind of space multistory control dust removal method for moving frame dust for fully-mechanized mining working |
| CN212296447U (en) * | 2020-09-28 | 2021-01-05 | 中煤科工集团重庆研究院有限公司 | Dust falling guide moving device for hydraulic support side guard plate of fully mechanized coal mining face |
-
2020
- 2020-09-28 CN CN202011038537.9A patent/CN112031850B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201546727U (en) * | 2009-10-20 | 2010-08-11 | 刘德勇 | Atomizing dust settling sealed dedusting device |
| CN202273701U (en) * | 2011-10-24 | 2012-06-13 | 山东科技大学 | Hydraulic support spray dust catcher |
| KR101831941B1 (en) * | 2016-12-14 | 2018-04-05 | 서울교통공사 | Particulate Matter collector for railway vehicles |
| CN107575227A (en) * | 2017-08-23 | 2018-01-12 | 黑龙江工业学院 | A kind of coal-mining method and roof controlling method |
| CN108930549A (en) * | 2018-07-02 | 2018-12-04 | 山东科技大学 | A kind of space multistory control dust removal method for moving frame dust for fully-mechanized mining working |
| CN212296447U (en) * | 2020-09-28 | 2021-01-05 | 中煤科工集团重庆研究院有限公司 | Dust falling guide moving device for hydraulic support side guard plate of fully mechanized coal mining face |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113494308A (en) * | 2021-08-20 | 2021-10-12 | 中煤科工集团重庆研究院有限公司 | Torsion spring type dust collecting and guiding method and device |
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| CN112031850B (en) | 2024-10-18 |
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