CN205135648U - Rib wall caving anchor - Google Patents
Rib wall caving anchor Download PDFInfo
- Publication number
- CN205135648U CN205135648U CN201520924438.9U CN201520924438U CN205135648U CN 205135648 U CN205135648 U CN 205135648U CN 201520924438 U CN201520924438 U CN 201520924438U CN 205135648 U CN205135648 U CN 205135648U
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- CN
- China
- Prior art keywords
- anchor pole
- anchor
- stock
- locking head
- wall caving
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- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a rib wall caving anchor, stock include bower anchor pole, elasticity connecting plate and stock locking head, and the setting of elasticity connecting plate slope is on the lateral wall of bower anchor pole, and the outer end of elasticity connecting plate orientation drilling sets up, and the outer end of bower anchor pole is provided with stock locking head, is provided with the wall caving protecting wire net between the lateral wall in stock locking head and coal seam, the wall caving protecting wire net and be provided with the separation blade between the stock locking head, the elasticity connecting plate includes root and shell fragment portion, wherein, the one end of root with the lateral wall welded connection of bower anchor pole, the one end integrated into one piece of the other end of root and elasticity portion is connected, and the setting is hugged closely on the drilling inner wall to the other end of elasticity portion. The utility model discloses a with stock setting give first place to stock and elasticity connecting plate, can effectually prevent the not hard up of stock, at coal seam exploitation in -process, cut the stock according to the degree of depth of mining very easily, and cut the in -process, because about the fastening of elasticity connecting plate and bounce -back, the will not influences the fastening of stock.
Description
Technical field
The utility model relates to a kind of coal wall caving protector, is specially a kind of coal wall caving anchor device, belongs to Coal Mining Technology field.
Background technology
Along with the propelling of coal-face, work plane front coal body there will be the lead abutment pressure exceeding the stress of primary rock.Under this heavily stressed effect, coal body adjacent edges, there will be slack district and plastic zone, and causes stress to the plastic strain of coal body interior shifting and coal body, thus cause mine operation face, tunnel sidewall is out of shape under action of underground, destroy and the phenomenon that comes off.Even, top board out of control and the phenomenon of inbreak voluntarily, i.e. so-called side fall roof phenomenon.Especially in high working face, because high working face full-seam mining coal-mining method has the remarkable advantages such as the rate of recovery is high, production capacity is large, safety is good, and the economic and social benefit highly significant obtained, be one of main coal-mining method of China's high seam safety and high efficiency.But the results of study such as theory calculate, numerical simulation and field measurement all show: along with the increase of mining height, coal wall caving is more prone to occur.Therefore, control coal wall caving is one of mining height workface face problem that must solve, but, the safeguard procedures of current coal wall caving are limited, its protection played and fastening effect not very good, especially along with long exploitation, easily there is loosening phenomenon in anchor rod, cause the phenomenon of side fall roof to happen occasionally, along the safety that threaten coal miner, govern the development in colliery.
For solving above technical problem, the utility model provides a kind of coal wall caving anchor device, it is by being set to Bower Anchor bar and elastic fastening sheet by anchor pole, effectively can prevent loosening of anchor pole, and, in seam mining process, anchor pole is easy to block according to the degree of depth of mining, and in truncated process, due to the fastening of elastic fastening sheet and bounce-back left and right, can not affect the fastening of anchor pole, wall caving protecting wire net of the present utility model and catch are convenient to dismounting, effectively can improve the production efficiency in coal seam, improve the safety of its exploitation.
Summary of the invention
For above-mentioned situation, for solving the defect of prior art, the object of the utility model just there is provided a kind of coal wall caving anchor device, it comprises coal seam, roof, seat earth, roadway support frame, boring, anchor pole, Bower Anchor bar, elastic fastening sheet, anchor pole locking head, wall caving protecting wire net, root, shrapnel part and catch, described roof supports the top being arranged on described coal seam, described seat earth is arranged on the bottom in described coal seam, described roadway support frame supports and is arranged in tunnel, described coal seam surface thereof be provided with the described boring of leading to described roof, anchor pole is fixedly installed by concrete mortar in described boring, it is characterized in that, described anchor pole comprises Bower Anchor bar, elastic fastening sheet and anchor pole locking head, wherein, on the sidewall being arranged on described Bower Anchor bar that described elastic fastening sheet tilts, and described elastic fastening sheet is arranged towards the outer end of described boring, the outer end of described Bower Anchor bar is provided with described anchor pole locking head, wall caving protecting wire net is provided with between described anchor pole locking head and the sidewall in described coal seam, catch is provided with between described wall caving protecting wire net and described anchor pole locking head, described elastic fastening sheet comprises root and shrapnel part, wherein, one end of described root is connected with the sidewall weld of described Bower Anchor bar, the other end of described root is connected with one end of described elastic portion is one-body molded, the other end of described elastic portion is close to and is arranged on described drill hole inner wall.
Further, as preferably, described Bower Anchor bar there is multiple described elastic fastening sheet along axis spaced set.
Further, as preferably, the length of described shrapnel part is greater than the length of described root.
The beneficial effects of the utility model:
A kind of coal wall caving anchor device that the utility model provides, it is by being set to Bower Anchor bar and elastic fastening sheet by anchor pole, effectively can prevent loosening of anchor pole, and, in seam mining process, anchor pole is easy to block according to the degree of depth of mining, and in truncated process, due to the fastening of elastic fastening sheet and bounce-back left and right, the fastening of anchor pole can not be affected, wall caving protecting wire net of the present utility model and catch are convenient to dismounting, effectively can improve the production efficiency in coal seam, improve the safety of its exploitation.
Accompanying drawing explanation
A kind of coal wall caving anchor device structural representation that Fig. 1 provides for the utility model;
The anchor structure schematic diagram of a kind of coal wall caving anchor device that Fig. 2 provides for the utility model;
Wherein, 1, coal seam, 2, roof, 3, seat earth, 4, roadway support frame, 5, boring, 6, anchor pole, 7, Bower Anchor bar, 8, elastic fastening sheet, 9, anchor pole locking head, 10, wall caving protecting wire net, 11, root, 12, shrapnel part, 13, catch.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1-2, the utility model provides a kind of coal wall caving anchor device, it comprises coal seam 1, roof 2, seat earth 3, roadway support frame 4, boring 5, anchor pole 6, Bower Anchor bar 7, elastic fastening sheet 8, anchor pole locking head 9, wall caving protecting wire net 10, root 11, shrapnel part 12 and catch 13, described roof 2 supports the top being arranged on described coal seam 1, described seat earth 3 is arranged on the bottom in described coal seam 1, described roadway support frame 4 supports and is arranged in tunnel, described coal seam 1 surface thereof be provided with the described boring 5 of leading to described roof 2, anchor pole 6 is fixedly installed by concrete mortar in described boring 5, it is characterized in that, described anchor pole 6 comprises Bower Anchor bar 7, elastic fastening sheet 8 and anchor pole locking head 9, wherein, on the sidewall being arranged on described Bower Anchor bar 7 that described elastic fastening sheet 8 tilts, and described elastic fastening sheet 8 is arranged towards the outer end of described boring 5, the outer end of described Bower Anchor bar 7 is provided with described anchor pole locking head 9, wall caving protecting wire net 10 is provided with between described anchor pole locking head 9 and the sidewall in described coal seam 1, catch 13 is provided with between described wall caving protecting wire net 10 and described anchor pole locking head 9, described elastic fastening sheet 8 comprises root 11 and shrapnel part 12, wherein, one end of described root 11 is connected with the sidewall weld of described Bower Anchor bar 7, the other end of described root 11 is connected with one end of described elastic portion 12 is one-body molded, the other end of described elastic portion 12 is close to and is arranged on described boring 5 inwall.
In addition, also anchor pole 6 can be fixedly installed by Bo Leiyin in boring 5, Bo Leiyin is a kind of organic polymer dual liquid type injecting paste material, bicomponent material is by special pneumatic grouting pump and hybrid gun, after injecting fragmented rock body, reaction and rock mass solidify the induration generating high strength, flexible rapidly, thus realize rock mass reinforcing or the shutoff of water burst crack.It can realize work plane breaking surrounding rock and reinforce, and can improve its safety, reduces the undesirable influence time to output of work plane country rock maintenance state.
In the present embodiment, described Bower Anchor bar 7 there is multiple described elastic fastening sheet 8 along axis spaced set.The length of described shrapnel part 12 is greater than the length of described root 11.
The utility model is by being set to Bower Anchor bar and elastic fastening sheet by anchor pole, effectively can prevent loosening of anchor pole, and, in seam mining process, be easy to anchor pole to block according to the degree of depth of mining, and in truncated process, due to the fastening of elastic fastening sheet and bounce-back left and right, can not affect the fastening of anchor pole, wall caving protecting wire net of the present utility model and catch are convenient to dismounting, effectively can improve the production efficiency in coal seam, improve the safety of its exploitation.
Claims (3)
1. a coal wall caving anchor device, it comprises coal seam, roof, seat earth, roadway support frame, boring, anchor pole, Bower Anchor bar, elastic fastening sheet, anchor pole locking head, wall caving protecting wire net, root, shrapnel part and catch, described roof supports the top being arranged on described coal seam, described seat earth is arranged on the bottom in described coal seam, described roadway support frame supports and is arranged in tunnel, described coal seam surface thereof be provided with the described boring of leading to described roof, anchor pole is fixedly installed by concrete mortar in described boring, it is characterized in that, described anchor pole comprises Bower Anchor bar, elastic fastening sheet and anchor pole locking head, wherein, on the sidewall being arranged on described Bower Anchor bar that described elastic fastening sheet tilts, and described elastic fastening sheet is arranged towards the outer end of described boring, the outer end of described Bower Anchor bar is provided with described anchor pole locking head, wall caving protecting wire net is provided with between described anchor pole locking head and the sidewall in described coal seam, catch is provided with between described wall caving protecting wire net and described anchor pole locking head, described elastic fastening sheet comprises root and shrapnel part, wherein, one end of described root is connected with the sidewall weld of described Bower Anchor bar, the other end of described root is connected with one end of described elastic portion is one-body molded, the other end of described elastic portion is close to and is arranged on described drill hole inner wall.
2. a kind of coal wall caving anchor device according to claim 1, is characterized in that, described Bower Anchor bar has multiple described elastic fastening sheet along axis spaced set.
3. a kind of coal wall caving anchor device according to claim 1-2 any one, is characterized in that, the length of described shrapnel part is greater than the length of described root.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520924438.9U CN205135648U (en) | 2015-11-17 | 2015-11-17 | Rib wall caving anchor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520924438.9U CN205135648U (en) | 2015-11-17 | 2015-11-17 | Rib wall caving anchor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205135648U true CN205135648U (en) | 2016-04-06 |
Family
ID=55621453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520924438.9U Expired - Fee Related CN205135648U (en) | 2015-11-17 | 2015-11-17 | Rib wall caving anchor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205135648U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104858A (en) * | 2017-11-24 | 2018-06-01 | 中国平煤神马能源化工集团有限责任公司 | It is a kind of can before frame lapping joint support top side protecting mechanism |
| CN114000903A (en) * | 2021-05-07 | 2022-02-01 | 晋能控股煤业集团有限公司 | Rock mass anchoring device and anchoring method |
| CN114017085A (en) * | 2021-10-14 | 2022-02-08 | 中煤科工开采研究院有限公司 | Roadway supporting device and method for thick-layer loose coal rock mass difficult to anchor |
-
2015
- 2015-11-17 CN CN201520924438.9U patent/CN205135648U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104858A (en) * | 2017-11-24 | 2018-06-01 | 中国平煤神马能源化工集团有限责任公司 | It is a kind of can before frame lapping joint support top side protecting mechanism |
| CN114000903A (en) * | 2021-05-07 | 2022-02-01 | 晋能控股煤业集团有限公司 | Rock mass anchoring device and anchoring method |
| CN114000903B (en) * | 2021-05-07 | 2024-05-17 | 晋能控股煤业集团有限公司 | Rock mass anchoring device and anchoring method |
| CN114017085A (en) * | 2021-10-14 | 2022-02-08 | 中煤科工开采研究院有限公司 | Roadway supporting device and method for thick-layer loose coal rock mass difficult to anchor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160406 Termination date: 20161117 |