CN107905785B - A prevent piece group device for strong rock burst comprehensive face of adopting - Google Patents
A prevent piece group device for strong rock burst comprehensive face of adopting Download PDFInfo
- Publication number
- CN107905785B CN107905785B CN201711339439.7A CN201711339439A CN107905785B CN 107905785 B CN107905785 B CN 107905785B CN 201711339439 A CN201711339439 A CN 201711339439A CN 107905785 B CN107905785 B CN 107905785B
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- CN
- China
- Prior art keywords
- partition plates
- rock burst
- fully mechanized
- plates
- anchor rods
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- 239000011435 rock Substances 0.000 title claims abstract description 24
- 238000005065 mining Methods 0.000 claims abstract description 34
- 238000005192 partition Methods 0.000 claims abstract description 33
- 230000002045 lasting effect Effects 0.000 claims description 14
- 239000003245 coal Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/04—Safety devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D19/00—Provisional protective covers for working space
Abstract
The invention discloses an anti-caving device for a high-rock burst fully mechanized mining face, which comprises a plurality of anti-caving plates; the device also comprises two support frames, wherein the support frames are provided with a plurality of anchor rods and partition plates, the partition plates are uniformly and fixedly arranged on one side of the corresponding support frame at intervals, the anchor rods are sequentially arranged between the adjacent partition plates on the corresponding support frame, and two ends of the anchor rods are respectively and fixedly connected with the corresponding partition plates; and a sealing frame is formed among the supporting frames, the anchor rods and the corresponding two adjacent partition plates, and each side plate preventing plate is sequentially inserted into the corresponding sealing frames on the two supporting frames. The upper-making preventing device for the high-rock burst fully mechanized mining face effectively improves the integral strength of the upper-making preventing device and can ensure the requirement of upper-making preventing under the high-rock burst danger; the hydraulic support is convenient to connect with a preformed hole on a side protection plate of the hydraulic support of the fully mechanized mining face, and the side protection device is convenient and quick to install and disassemble; and the structure is simple, flexible and quick, and can be widely used in the mining industry.
Description
Technical Field
The invention relates to an edge-trimming preventing device in the field of mining, in particular to an edge-trimming preventing device for a comprehensive mining working face with high rock burst.
Background
In recent years, the situation of coal mine production develops rapidly, underground coal mine production is carried out, and the fully mechanized coal mining and fully mechanized caving face is required to have a reliable coal wall caving prevention device when a coal mining machine and a conveyor are overhauled. The phenomenon of the coal wall caving on the working face is serious, affects the production of mines and the personal safety of workers, and ensures the safety of normal production of the working face and on-site operation personnel. Especially under the conditions of strong rock burst danger and large inclination angle upward mining, the traditional anti-caving net is adopted, so that a large amount of stone falling phenomenon can occur, and the mine production and the personal safety of workers are affected; the common anti-lasting measure is low in safety and reliability, and the personal safety of operators is difficult to ensure. Therefore, the traditional side-wall-burst prevention measures cannot meet the requirements of fully-mechanized mining and fully-mechanized caving face side-burst prevention under the conditions of high rock burst danger and high inclination angle face upward mining.
Disclosure of Invention
To overcome the defects in the prior art, the invention aims to: the upper-making preventing device for the high-rock burst fully mechanized mining face has the advantages that the integral strength of the upper-making preventing device is effectively improved, and the upper-making preventing requirement under the high-rock burst danger can be met; is convenient to be connected with a preformed hole on a side protection plate of the hydraulic support of the fully mechanized mining face.
The invention solves the technical problems by adopting the following technical scheme:
an anti-caving device for a high-rock burst fully mechanized mining face comprises a plurality of anti-caving plates; the device also comprises two support frames, wherein the support frames are provided with a plurality of anchor rods and partition plates, the partition plates are uniformly and fixedly arranged on one side of the corresponding support frame at intervals, the anchor rods are sequentially arranged between the adjacent partition plates on the corresponding support frame, and two ends of the anchor rods are respectively and fixedly connected with the corresponding partition plates; and a sealing frame is formed among the supporting frames, the anchor rods and the corresponding two adjacent partition plates, and each side plate preventing plate is sequentially inserted into the corresponding sealing frames on the two supporting frames.
The invention also has the following technical characteristics:
and connecting holes for connecting adjacent side plates are formed at two ends of the side plates.
The width of the side plate is smaller than the interval between two adjacent partition boards, and the length of the side plate is equal to the center distance between two adjacent hydraulic supports on the working surface.
The partition plates on the support frame are arranged in parallel.
The axis of the anchor rod on the support frame is coaxial, and the anchor rod is parallel to the support frame.
The top end of the supporting frame is provided with a fixing pin.
The fixing pin is provided with a bolt hole and a bolt matched with the bolt hole, and the bolt is matched with a reserved hole on the side protection plate of the hydraulic support.
Compared with the prior art, the invention has the beneficial effects that: the upper-making preventing device for the high-rock burst fully mechanized mining face effectively improves the integral strength of the upper-making preventing device and can ensure the requirement of upper-making preventing under the high-rock burst danger; the hydraulic support is convenient to connect with a preformed hole on a side protection plate of the hydraulic support of the fully mechanized mining face, and the side protection device is convenient and quick to install and disassemble; and the structure is simple, flexible and quick, and can be widely used in the mining industry.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic side view of the support frame of the present invention.
FIG. 3 is a schematic view of the installation operation structure of the present invention.
Wherein: the device comprises a 1-side protection plate, 11-connecting holes, 2-supporting frames, 3-anchor rods, 4-partition plates, 5-sealing frames, 6-hydraulic supports, 61-side protection plates, 7-fixing pins and 71-bolt holes.
Detailed Description
Referring to fig. 1 to 3, the following details are given to the structural features of the ledge preventing device for the high rock burst fully mechanized mining face:
an anti-caving device for a high-rock burst fully mechanized mining face comprises a plurality of anti-caving plates 1; the device also comprises two support frames 2, wherein the support frames 2 are respectively provided with a plurality of anchor rods 3 and partition plates 4, the partition plates 4 are uniformly and fixedly arranged at one side of the corresponding support frame 2 at intervals, the anchor rods 3 are sequentially arranged between the adjacent partition plates 4 on the corresponding support frame 2, and two ends of each anchor rod 3 are respectively and fixedly connected with the corresponding partition plate 4; the support frames 2, the anchor rods 3 and the corresponding two adjacent partition plates 4 form a closed frame 5, and each side plate 1 is sequentially inserted into the corresponding closed frame 5 on the two support frames 2.
The supporting frame 2 is processed by adopting 80 multiplied by 40 channel steel, the height of the supporting frame 2 is smaller than 1.5m than the mining height of the fully-mechanized mining face according to the specific construction environment, and the partition plate 4 is processed by adopting a steel plate with the thickness of 10 mm; the anchor rod 3 is welded between two adjacent partition plates 4, and the anchor rod 3 adopts high-strength screw-thread steel with the diameter of 22 mm; the side plate 1 is processed by a steel plate with the thickness of 5 mm.
When the anti-caving device for the high-rock burst fully mechanized mining face is used, the two support frames 2 are fixed, then the anti-caving plates 1 are inserted into the closed frames 5 formed among the support frames 2, the anchor rods 3 and the two adjacent partition plates 4, and the anti-caving plates 1 are inserted into all the closed frames 5, so that the anti-caving device is formed. Wherein, the two ends of the side plate 1 can be fixed with each other.
As a preferred embodiment of the present invention, there is shown in connection with fig. 1 to 3;
in order to ensure the integral strength of the lasting preventing device, the two ends of the lasting preventing plate 1 are provided with connecting holes 11 for connecting the adjacent lasting preventing plates 1, and iron wires sequentially pass through the connecting holes 11 at the two ends of the lasting preventing plate 1 to connect all the adjacent lasting preventing plates 1 on the supporting frame 2 into a whole.
Further, the width of the side plate 1 is smaller than the interval between two adjacent partition plates 4, wherein the width is smaller than the interval between two adjacent partition plates 4 on the support frame 2 by 2 mm; the length of the side plate 1 is equal to the center distance between two adjacent hydraulic supports 6 on the fully mechanized mining and fully mechanized caving face.
In order to facilitate the penetrating installation of the side plates 1, the sealing frames 5 formed by the supporting frames 2, the anchor rods 3 and the corresponding two adjacent partition plates 4 are identical, and the partition plates 4 on the supporting frames 2 are arranged in parallel.
Further, the axis of the anchor rod 3 on the support frame 2 is coaxial, and the anchor rod 3 is parallel to the support frame 2. Therefore, the same-specification side protection plate 1 can be inserted and installed at will, and the working efficiency is improved.
In order to facilitate the connection of the lasting preventing device with the preformed hole on the lasting board 61 of the hydraulic support 6 of the fully mechanized mining face, the top end of the supporting frame 2 is provided with a fixing pin 7.
Specifically, the fixing pin 7 is provided with a bolt hole 71 and a bolt matched with the bolt hole, and the bolt is matched with a reserved hole on the side protection plate 61 of the hydraulic support 6; the device is convenient and quick to install and disassemble.
When the high-rock burst fully-mechanized mining face wall-caving prevention device is used, the two support frames 2 are fixed firstly, and are connected with two reserved holes on the side protection plate 61 of the fully-mechanized mining face hydraulic support 6 through the fixing pins 7 at the top ends of the support frames 2, and are fixed by bolts; then the anti-piece side plates 1 are inserted into the sealing frames 5 formed by the support frame 2, the anchor rods 3 and the two adjacent partition plates 4, the anti-piece side plates 1 are inserted into all the sealing frames 5, and then iron wires are used for connecting all the adjacent anti-piece side plates 1 on the support frame 2 into a whole through the connecting holes 11 at the two ends of the anti-piece side plates 1.
To further secure the strength of the lasting preventing device, two or more supporting frames 2 may be provided along the longitudinal direction of the lasting preventing plate 1 for fixing the lasting preventing plate 1 according to the actual situation (the lasting preventing plate 1 is long, or dangerous segments, etc.).
The invention provides an anti-ledge device for a high-rock burst fully mechanized mining face, which can ensure the need of anti-ledge under the danger of high rock burst and effectively improve the integral strength of the anti-ledge device; the hydraulic support is convenient to connect with a preformed hole on a side protection plate of the hydraulic support of the fully mechanized mining face, and the side protection device is convenient and quick to install and disassemble; and the structure is simple, flexible and quick, and can be widely used in the mining industry.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. An anti-caving device for a high-rock burst fully mechanized mining face comprises a plurality of anti-caving plates; the method is characterized in that: the device also comprises two support frames, wherein the support frames are provided with a plurality of anchor rods and partition plates, the partition plates are uniformly and fixedly arranged on one side of the corresponding support frame at intervals, the anchor rods are sequentially arranged between the adjacent partition plates on the corresponding support frame, and two ends of the anchor rods are respectively and fixedly connected with the corresponding partition plates; the support frames, the anchor rods and the corresponding two adjacent partition plates form a closed frame, and each side plate is sequentially inserted into the corresponding closed frame on the two support frames;
the two ends of the side plates are provided with connecting holes for connecting the adjacent side plates; the width of the side plate is smaller than the interval between two adjacent partition boards, and the length of the side plate is equal to the center distance between two adjacent hydraulic supports on the working surface.
2. The lasting device for a high rock burst fully mechanized coal mining face of claim 1, wherein: the partition plates on the support frame are arranged in parallel.
3. The lasting device for a high rock burst fully mechanized coal mining face of claim 2, wherein: the axis of the anchor rod on the support frame is coaxial, and the anchor rod is parallel to the support frame.
4. The lasting device for a high rock burst fully mechanized coal mining face of claim 1, wherein: the top end of the supporting frame is provided with a fixing pin.
5. The ledge preventing device for a high rock burst fully mechanized coal mining face of claim 4, wherein: the fixing pin is provided with a bolt hole and a bolt matched with the bolt hole, and the bolt is matched with a reserved hole on the side protection plate of the hydraulic support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711339439.7A CN107905785B (en) | 2017-12-14 | 2017-12-14 | A prevent piece group device for strong rock burst comprehensive face of adopting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711339439.7A CN107905785B (en) | 2017-12-14 | 2017-12-14 | A prevent piece group device for strong rock burst comprehensive face of adopting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107905785A CN107905785A (en) | 2018-04-13 |
| CN107905785B true CN107905785B (en) | 2024-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711339439.7A Active CN107905785B (en) | 2017-12-14 | 2017-12-14 | A prevent piece group device for strong rock burst comprehensive face of adopting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107905785B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201778833U (en) * | 2010-06-05 | 2011-03-30 | 山西潞安环保能源开发股份有限公司 | Self-adjusting side protection plate of hydraulic bracket |
| WO2013010206A1 (en) * | 2011-07-15 | 2013-01-24 | Yancoal Australia Ltd | Coal caving cycle |
| CN102926785A (en) * | 2012-11-16 | 2013-02-13 | 山东矿机集团股份有限公司 | Method for preventing rib spalling of coal wall and roof falling in head face and hydraulic support thereof |
| CN204312104U (en) * | 2014-12-05 | 2015-05-06 | 淮北矿业（集团）有限责任公司 | Driving face in coal mine split blade type defense-help network |
| CN105332729A (en) * | 2015-11-17 | 2016-02-17 | 华北科技学院 | Stope coal wall caving control device |
| CN105545331A (en) * | 2016-01-29 | 2016-05-04 | 中国矿业大学 | Large-section coal road driving face rib spalling preventing stop lever and supporting method |
| CN105909284A (en) * | 2016-05-23 | 2016-08-31 | 华北科技学院 | Sloughing prevention and control method for large mining height coal wall |
| CN206530349U (en) * | 2017-03-01 | 2017-09-29 | 河南永锦能源有限公司云盖山煤矿一矿 | A kind of anti-wall caving strut of tunnel rib based on U-shaped steel supporting |
| CN207583372U (en) * | 2017-12-14 | 2018-07-06 | 林青 | A kind of anti-wall caving device that fully-mechanized mining working is pressed for thump |
-
2017
- 2017-12-14 CN CN201711339439.7A patent/CN107905785B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201778833U (en) * | 2010-06-05 | 2011-03-30 | 山西潞安环保能源开发股份有限公司 | Self-adjusting side protection plate of hydraulic bracket |
| WO2013010206A1 (en) * | 2011-07-15 | 2013-01-24 | Yancoal Australia Ltd | Coal caving cycle |
| CN102926785A (en) * | 2012-11-16 | 2013-02-13 | 山东矿机集团股份有限公司 | Method for preventing rib spalling of coal wall and roof falling in head face and hydraulic support thereof |
| CN204312104U (en) * | 2014-12-05 | 2015-05-06 | 淮北矿业（集团）有限责任公司 | Driving face in coal mine split blade type defense-help network |
| CN105332729A (en) * | 2015-11-17 | 2016-02-17 | 华北科技学院 | Stope coal wall caving control device |
| CN105545331A (en) * | 2016-01-29 | 2016-05-04 | 中国矿业大学 | Large-section coal road driving face rib spalling preventing stop lever and supporting method |
| CN105909284A (en) * | 2016-05-23 | 2016-08-31 | 华北科技学院 | Sloughing prevention and control method for large mining height coal wall |
| CN206530349U (en) * | 2017-03-01 | 2017-09-29 | 河南永锦能源有限公司云盖山煤矿一矿 | A kind of anti-wall caving strut of tunnel rib based on U-shaped steel supporting |
| CN207583372U (en) * | 2017-12-14 | 2018-07-06 | 林青 | A kind of anti-wall caving device that fully-mechanized mining working is pressed for thump |
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| Publication number | Publication date |
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| CN107905785A (en) | 2018-04-13 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240115 Address after: 235000 No. 1, Baishan second village, Lieshan District, Huaibei City, Anhui Province Applicant after: Wu Zhenghai Address before: 721500 Cuimu Coal Mine, Cuimu Town, Linyou County, Baoji City, Shaanxi Province Applicant before: Lin Qing |
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| GR01 | Patent grant |