CN201902216U - Passage supporting device - Google Patents
Passage supporting device Download PDFInfo
- Publication number
- CN201902216U CN201902216U CN2010206761821U CN201020676182U CN201902216U CN 201902216 U CN201902216 U CN 201902216U CN 2010206761821 U CN2010206761821 U CN 2010206761821U CN 201020676182 U CN201020676182 U CN 201020676182U CN 201902216 U CN201902216 U CN 201902216U
- Authority
- CN
- China
- Prior art keywords
- passage
- steel band
- suspension device
- brettis
- anchor
- 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.)
- Expired - Lifetime
Links
- 230000008093 supporting effect Effects 0.000 title abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 48
- 239000010959 steel Substances 0.000 claims abstract description 48
- 239000011435 rock Substances 0.000 claims abstract description 16
- 239000000725 suspension Substances 0.000 claims description 30
- 239000000178 monomer Substances 0.000 claims description 16
- 241001669679 Eleotris Species 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003245 coal Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a passage supporting device, which comprises an anchor rod, an anchor cable, a W-type steel strip and a chock timbering, wherein the upper part of the anchor rod is anchored with a rock stratum above a passage, and the lower end of the anchor rod penetrates through the W-type steel strip and can fix the W-type steel strip; and the W-type steel strip is supported through the chock timbering. By adopting the technical scheme, the passage supporting device achieves the technical effects as follows: the security of a supporting system is improved; and meanwhile, a large number of single bodies are reduced, so that labor intensity is reduced, cost is lowered, and the available space in the passage is increased.
Description
Technical field
The utility model relates to a kind of suspension device, relates in particular to a kind of passage suspension device.
Background technology
In Coal Production, underworkings is the coal mining deepening, produces materials, Product transport and operation pedestrian's escape way, must guarantee absolute safety.
China's coal-mine mainly is a pit mining, need be in the huge tunnel of underground digging, and about 1.1 hundred million kilometers of year tunnelling total footage, wherein 84% coal and half coal rock tunnel are huge, the first in the world.Roadway support is the key technology that directly influences mine safety, output and benefit.Colliery sedimentary type formations characteristics: intensity is low, broken, geostatic stress is high; Protection pillar is little, and the dynamic pressure influence is strong.In process of production, if the roadway support device is unreliable, the coal seam subsides easily, causes the coal mine production safety accident, still is that the personal safety of underground operators all can cause significant damage to the economic benefit in colliery.
In the prior art, as shown in Figure 1, the colliery tunnel support device generally includes anchor pole 10, wire gauze 12, girder steel 14, brettis 19, monomer 18 and sleeper 16.Yet in this support pattern, the amount of monomer of use is many, and girder steel quantity is big, causes that labour intensity is big, cost is high; And because amount of monomer is many, between operational period, battery truck collides or damages monomer easily in passage, thereby even knocks monomer over and cause taking place the girder steel that monomer supports and fall the accident of hurting sb.'s feelings.In addition,, reduced the usefull space in the passage, limited or hindered the speed or the efficiency of operation of in passage, transporting because amount of monomer is too many in the passage.In this support technology, only fixed by anchor pole above girder steel, security reliability is low relatively slightly, and the length of anchor pole has certain restriction, the degree of depth that is driven in the rock stratum, roadway support device top is limited, and this has also limited only by the security reliability of anchor pole from the upper fixed girder steel.
Therefore, in order to guarantee the safety of Coal Production, be necessary to propose the higher passage suspension device of a kind of improved security reliability in fact.
The utility model content
The purpose of this utility model is to propose a kind of improved passage suspension device, and this passage suspension device can reduce the quantity of monomer in the passage, has increased the usefull space in the passage, has reduced labour intensity and cost.
The purpose of above-mentioned this utility model is achieved through the following technical solutions:
A kind of passage suspension device comprises anchor pole, anchor cable, W steel band and brettis; The top of wherein said anchor pole is anchored in the rock stratum above passage, and W steel band and fixing W steel band are passed in the lower end; In the rock stratum of anchor above passage, top of described anchor cable, the lower end is passed the W steel band and the W steel band is fixed; Described brettis supports described W steel band.
In an embodiment of the described passage suspension device of the application, the length of described anchor cable is greater than the length of described anchor pole.
In the further preferred embodiment of the described passage suspension device of the application, between described W steel band and the rock stratum above it, first wire gauze is set.
In another preferred embodiment of the described passage suspension device of the application, between described W steel band and brettis, be provided with sleeper.
In another preferred embodiment of the described passage suspension device of the application, between described W steel band and described sleeper, second wire gauze is set.
In another preferred embodiment of the described passage suspension device of the application, described first and second wire gauze are double-decker.
In an embodiment of the described passage suspension device of the application, in passage, be provided with two row's brettis.
In another preferred embodiment of the described passage suspension device of the application, one or more monomers are set in passage with supplementary support W steel band.
By adopting above-mentioned the technical solution of the utility model, realized following technique effect:
Strengthened the safety of support system; Simultaneously, the quantity of monomer reduces in a large number, thereby has reduced labour intensity and cost, has increased the usefull space in the passage.
Description of drawings
Fig. 1 shows passage suspension device of the prior art;
Fig. 2 shows the application's passage suspension device.
The specific embodiment
Fig. 2 shows the more passage suspension device of high safety reliability that has after the improvement that the application describes.As shown in Figure 2, the application's passage suspension device comprises anchor pole 20, anchor cable 21, W steel band 24 and brettis 29.As shown in Figure 2, the top of anchor pole 20 is squeezed in the rock stratum of passage 27 tops, and the lower end is passed the W steel band and is used for fixing the W steel band.The top of anchor cable 21 is squeezed in the rock stratum of passage 27 tops, and the lower end is passed the W steel band and the W steel band is fixed.Like this, replaced in the prior art, above passage,, but changed into above passage simultaneously by the fixing scheme of W steel band of anchor pole 20 and anchor cable 21 only by the fixing technical scheme of girder steel of anchor pole.Technical scheme after the improvement has following advantage than prior art: the W steel band is few with respect to the girder steel materials of prior art, and light weight can also guarantee supporting effect simultaneously; And, adopt anchor cable 21 and anchor pole 20 from upper fixed W steel band simultaneously, security reliability is higher; In addition, greater than the length of anchor pole 20, anchor cable 21 can be squeezed into the degree of depth bigger in the rock stratum to the length of anchor cable 21 so usually, has further improved the reliability of supporting.
As shown in Figure 2, in passage 27, the below of W steel band has been set up in parallel two row's brettis 29, is used for the steel band from supported underneath W.With existing comparing shown in Figure 1, in the technical scheme after improvement, avoided in the limited passage 27 in space, being provided with the demand of monomer.A large amount of minimizings of amount of monomer have reduced labour intensity and cost in the passage, the speed of having accelerated to transport in passage and improved efficiency of operation in the passage.Simultaneously, increased the usefull space of passage, avoided the battery truck collision or damaged the generation of monomer phenomenon, and fundamentally stopped battery truck and knock the risk that monomer causes girder steel to fall hurting sb.'s feelings over.
Be similar to the passage suspension device of prior art, in the passage suspension device after the application's improvement, between brettis and W steel band, sleeper 26 is set, leveling up the contact surface between brettis and the W steel band, thereby guarantees that supporting intensity meets the colliery job requirements.
In addition, in order to guarantee the cleaning of passage, the accident of avoiding the falling of object of for example rubble etc. on the rock stratum simultaneously and injuring the operating personnel by a crashing object takes place, first wire gauze 22 is set between rock stratum and W steel band, thereby stoped the rubble that comes off to fall the generation of phenomenon to a certain extent, kept the cleaning of passage simultaneously.Selectively, second wire gauze (not shown among Fig. 2) can also be set between W steel band 24 and sleeper 26 again, further stop falling of the rubble that comes off from rock stratum, passage 27 top.Described first and second wire gauze can adopt double-decker, with the come off effect of rubble of its isolation of further raising.
In addition, need to prove,, in the application's technical scheme, can also in the limited local space of passage, monomer be set, replenish supporting with the associating brettis in order to strengthen the supporting effect of passage suspension device.Equally, in order to strengthen supporting effect, except adopting the W steel band, the scheme that adopts the girder steel supporting can also be united simultaneously, in the part with the reliability and the financial cost of balance supporting to rock stratum, passage top.
By foregoing description, as can be seen, adopt above-mentioned the technical solution of the utility model, can realize strengthening the safety of suspension device, reduced labour intensity and cost, increase the useful technique effect of the usefull space in the passage.
Claims (8)
1. a passage suspension device is characterized in that, comprises anchor pole, anchor cable, W steel band and brettis; The top of wherein said anchor pole is anchored in the rock stratum above passage, and W steel band and fixing W steel band are passed in the lower end; In the rock stratum of anchor above passage, top of described anchor cable, the lower end is passed the W steel band and the W steel band is fixed; Described brettis supports described W steel band.
2. passage suspension device according to claim 1 is characterized in that the length of described anchor cable is greater than the length of described anchor pole.
3. passage suspension device according to claim 2 is characterized in that, between described W steel band and the rock stratum above it first wire gauze is set.
4. passage suspension device according to claim 3 is characterized in that, is provided with sleeper between described W steel band and brettis.
5. passage suspension device according to claim 4 is characterized in that, between described W steel band and described sleeper second wire gauze is set.
6. passage suspension device according to claim 5 is characterized in that, described first and second wire gauze are double-decker.
7. according to the described passage suspension device of aforementioned each claim, it is characterized in that, in passage, be provided with the described brettis of two rows.
8. passage suspension device according to claim 7 is characterized in that, one or more monomers is set with supplementary support W steel band in passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206761821U CN201902216U (en) | 2010-12-13 | 2010-12-13 | Passage supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206761821U CN201902216U (en) | 2010-12-13 | 2010-12-13 | Passage supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201902216U true CN201902216U (en) | 2011-07-20 |
Family
ID=44272816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206761821U Expired - Lifetime CN201902216U (en) | 2010-12-13 | 2010-12-13 | Passage supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201902216U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696788A (en) * | 2013-12-17 | 2014-04-02 | 中国神华能源股份有限公司 | Abandoned roadway timbering device and construction method of fully mechanized coal mining face passed through abandoned roadway |
| CN104763425A (en) * | 2015-02-03 | 2015-07-08 | 杨洪兴 | Pressure relief presplitting blasting gob-side entry retaining pillar-free mining method |
| CN105604588A (en) * | 2015-12-29 | 2016-05-25 | 迟新宋 | Mounting method of engineering steering support |
-
2010
- 2010-12-13 CN CN2010206761821U patent/CN201902216U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696788A (en) * | 2013-12-17 | 2014-04-02 | 中国神华能源股份有限公司 | Abandoned roadway timbering device and construction method of fully mechanized coal mining face passed through abandoned roadway |
| CN104763425A (en) * | 2015-02-03 | 2015-07-08 | 杨洪兴 | Pressure relief presplitting blasting gob-side entry retaining pillar-free mining method |
| CN104763425B (en) * | 2015-02-03 | 2017-01-25 | 杨洪兴 | Pressure relief presplitting blasting gob-side entry retaining pillar-free mining method |
| CN105604588A (en) * | 2015-12-29 | 2016-05-25 | 迟新宋 | Mounting method of engineering steering support |
| CN105604588B (en) * | 2015-12-29 | 2017-11-03 | 迟新宋 | A kind of engineering turns to the installation method of support |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202064981U (en) | Soft coal layer roadway supporting structure | |
| CN103233740B (en) | Top-cutting roadway coal-pillar-free mining method of close-range thin coal seam | |
| CN103410515B (en) | It is a kind of that three-soft seam is reciprocating combines mining method without coal column | |
| CN102661169B (en) | Gob-side entry retaining method for anchor bolt network gangue bag wall body for coal mining without pillars | |
| CN103696788B (en) | The construction method in empty lane support apparatus and fully-mechanized mining working Guo Kong lane | |
| CN101922292B (en) | Coal mine gob-side entry retaining roadside segment bearing unequal strength support principle and application | |
| CN103244122B (en) | Trinity coupling support stability control method for gob-side entry-driving coal pillar | |
| CN102493838A (en) | Method for fully mechanized continuously-filling coal mining of steeply pitching coal seam | |
| CN107725052B (en) | One kind, which is adopted, stays integration exploitation gob side entry top plate constant-resistance anchor body beam method for protecting support | |
| CN105507951B (en) | A kind of soft curtain encapsulating method in no coal column Duan Dingcheng lanes | |
| CN104131834B (en) | A kind of stope drift active workings gob-side entry retaining method that is applicable to thin and medium seam | |
| CN103397905A (en) | System and method for achieving natural striding, falling and filling of coal beds, flexible roadway protection and complete gob-side entry retaining | |
| CN103758529A (en) | Coal mine gob-side entry retaining side supporting method | |
| CN110397448B (en) | Fully mechanized mining face through-roadway pumping support parameter optimization and crossheading coal pillar recovery method | |
| CN102418525B (en) | Soft coal seam long-wall high-mining-height comprehensive mechanized coal mining end mining method | |
| CN201902216U (en) | Passage supporting device | |
| CN103321677A (en) | Method for actively controlling motion of coal mine critical layers by using strip filling walls | |
| CN103867223A (en) | Hydraulic supporting device of suspended top beams for roadways in shed | |
| CN204386632U (en) | The artificial base plate of large-inclination-angle coal bed roof cracking band and false top facility | |
| CN104533419A (en) | Method for partial recovery of residual coal from wide coal pillar | |
| CN104265294B (en) | Coal pillar-free mining method for blasting mining face of steeply dipping seam | |
| CN208122848U (en) | A kind of half-edge coal seam mechanical coal mining device based on the horizontal coal plough of chain haulage | |
| CN107575228A (en) | A kind of coal-mining method for reducing double lane protection pillar sizes and reducing roadway deformation amount | |
| CN204060781U (en) | Inclined seam is without the lane other gear cash facility of coal column gob side entry retaining | |
| CN105649627B (en) | A kind of single girdle coal-mining method of high-dipping |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110720 |