CN103104267B - Soft rock roadway whole digging shield support - Google Patents
Soft rock roadway whole digging shield support Download PDFInfo
- Publication number
- CN103104267B CN103104267B CN201310052232.7A CN201310052232A CN103104267B CN 103104267 B CN103104267 B CN 103104267B CN 201310052232 A CN201310052232 A CN 201310052232A CN 103104267 B CN103104267 B CN 103104267B
- Authority
- CN
- China
- Prior art keywords
- support
- arch
- semicircle
- soft
- holder
- 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 - Fee Related
Links
- 239000011435 rock Substances 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000005065 mining Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 abstract description 2
- 238000005452 bending Methods 0.000 abstract 2
- 230000001681 protective effect Effects 0.000 abstract 2
- 230000006978 adaptation Effects 0.000 abstract 1
- 230000006378 damage Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 210000000003 hoof Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The invention relates to a soft rock roadway whole digging shield support and belongs to the field of mining machinery manufacturing and application. The soft rock roadway whole digging shield support is composed of a semicircle protective arch, two hydraulic support pillars (1) which are arranged on the left side and the right side and a support seat. The upper ends of the two hydraulic support pillars (1) are connected with the semicircle protective arch respectively through a supporting lug (5) and a connecting pin. The lower ends of the two hydraulic support pillars (1) are respectively fixed on pillar fixing seats (6) of two sides of the support seat. Two groups of parallel telescopic guide rails (7) between the two pillar fixing seats(6) are connected to form the support seat. A pipe bending cylinder fixing seat (8) and two lateral pipe bending cylinder (9) are arranged in the middle of the middle portion of the two groups of parallel telescopic guide rails (7). The periphery of the soft rock roadway whole digging shield support can simultaneously bear pressure, compressive strength is high, bearing force is large, operation is convenient, and combination between components is tight. Through optimization design, from the aspects of convenient tunnel construction, the structure innovation and the like, Security, adaptation, technical advancement and economy of a soft rock supporting engineering are entirely improved.
Description
Technical field
The present invention relates to a kind of safety support device for mine laneway, particularly support is protected in a kind of soft-rock tunnel entirety pick being applicable to the improvement in the mining area that various soft-rock tunnel is pressed with suffering or pressure from surrounding rock is large; Its compact conformation, convenient disassembly, be especially convenient to install in roadway road, belong to mining machinery manufacture and application.
Background technology
In recent years along with modern comprehensive mechanization pit mining, the continuous increase of mining depth, geological condition is complicated all the more, and not only mine deep part rock stratum geostatic stress also continues to increase, and particularly coal mine roadway soft-rock slope is large, country rock is easily destroyed, country rock is overrelaxation under pressure, easy unstability, produces excessive plastic strain or loose damage problem under secondary stresses effect, easily cause the accident harms such as roof fall, wall caving, pucking, cause serious casualties and property loss.For the consideration of safety and production aspect, need to implement supporting to soft-rock tunnel.Current soft-rock tunnel does not have suitable support available, and great majority adopt shotcrete, H shaped steel shack, U-shaped steel support pattern, and its compressive strength is low, there is security performance low; Not only can not resist from side and pressure below, cause security incident harm; Construction technology also can be brought loaded down with trivial details, and repair after pick before occurring, repeatedly overhaul, maintenance works amount is infinitely amplified, and recovery difficult is large, and support cost increases, the low inferior defect problem of support efficiency.
For above problem, the correlation engineering technician of this area have also been made a lot of effort.Such as on January 6th, 1993, Chinese invention patent application publication number CN1067706A, disclosed a kind of hydraulic arch support for soft-rock tunnel, the polygon supporting structure that this support is made up of multiple hydraulic stem, hydraulic cylinder, arc supporting plate etc., although this supporting structure is compact, easy to operate, the pressure from top board and beneath two angular positions can be resisted, but be difficult to overcome from the pressure of positive side and bottom surface, still there is the possibility of the accident harm such as wall caving, pucking.
Summary of the invention
Technical problem to be solved by this invention is: providing one to have surrounding all can simultaneously pressurized, and compressive strength is high, supporting force is large, protect support in conjunction with the soft-rock tunnel entirety pick of tight feature between easy to operate, component, it passes through design optimization, the aspects such as, structure innovation convenient from roadway construction set about, the Integral lifting safety of soft rock supporting engineering, compliance, technical advance and economy.
The technical solution adopted in the present invention is achieved in that the pick of this soft-rock tunnel entirety is protected support and protected arch, two, left and right hydraulic pressure support column and bracket base primarily of semicircle and formed; Described semicircle protects arch by one piece of arched top backplate and medianly zygomorphic curved support arch bar, and being connected by four connection ears or loose-leaf formed; The upper end of two hydraulic pressure support columns is connected respectively by supporting in the middle part of left and right sides curved support arch bar that lug and connecting pin and above-mentioned semicircle protect in arch, and the lower end of two hydraulic pressure support columns is separately fixed on the column holder on bracket base both sides; The cross section of described bracket base entirety, in " U " shape or flat " U " shape, is be formed by connecting by two groups of parallel telescopic rails by between the column holder of two, left and right; Middle in the middle part of two groups of parallel telescopic rails is provided with push oil cylinder holder, and holder is equipped with towards heterochiral two thruster oil cylinders, the end that ejects of two push oil cylinder pushes up two column holders to the left and right respectively; Two, left and right wherein column holder all has the side guard board of band chute hole guide rail, and the both wings limit that semicircle protects arch is connected with the side guard board chute hole guide rail of respective side by sliding pin.
Further, above-mentioned telescopic rail is two channled rail socket assemblys, and telescopic rail is provided with conveying track fixed connection apparatus.
Further, dredge for the ease of tunnel water, the right column holder in above-mentioned bracket base arranges a through drain water piping by bottom.
The support principle that support is protected in this soft-rock tunnel entirety pick is: it has the bearing mode as metallic supports in galleries, the roadway surrounding rock pressure that distribution is different can be carried, both the pressure that top pressure is equal with side pressure can have been born, also the pressure that top pressure is greater than side pressure can be born, also can bear side pressure and be greater than top pressure and unbalance loading equal pressure, there is the feature of bearing dynamic pressure simultaneously.When outer carry be greater than supporting capacity time, the pick of soft-rock tunnel entirety is protected contracting under two hydraulic pressure support columns of support and is allowed pressure, realizes constant-resistance support.
Assembling process of the present invention is as follows: be transported to by each parts that support is protected in overall for soft-rock tunnel pick after in the tunnel needing supporting, interconnected by telescopic rail parallel with two groups for two, left and right column holder; Install push oil cylinder holder and towards heterochiral two thruster oil cylinders; The cylinder body of two hydraulic pressure support column bottoms is put into the nest on the column holder on bracket base both sides, connect hydraulic workstation pipeline; Semicircle is protected in the middle part of the left side curved support arch bar of arch and right side curved support arch bar and be hinged on hydraulic pressure support column upper end respectively as jacking origin of force, and semicircle is protected arch both wings limit to be connected with the side guard board chute hole guide rail of respective side by sliding pin and to connect.Then, start hydraulic workstation, rise two hydraulic pressure support columns and two thruster oil cylinders simultaneously, soft-rock tunnel entirety digs the side guard board that the semicircle protecting support protects arch and two, left and right column holder and column holder, just open along roadway shape and be close to section, form and support, namely firmly lane space is formed, improve the self-bearing capacity of country rock, base and two, left and right supporting seat form approximate ellipsoidal and disperse pucking stress after stent, thus firmly support top board and the base plate in tunnel.
The feature that support combines rigid protection and flexible support is protected in the overall soft rock pick of the present invention, effectively controls roadway deformation amount.There is extending space large, installation effectiveness is high, safety easy to use, the features such as comprehensive support is comprehensive can adapt to complicated ambient stress, solve mine working soft-rock slope large, pressure from surrounding rock is large, easy unstability, country rock overrelaxation produces excessive plastic strain or loose damage under being easily destroyed secondary stresses effect, and country rock produces the problems such as excessive plastic strain or loose damage under secondary stresses effect.
The present invention compared with prior art, has the following advantages and economic effect:
1. the present invention uses the semicircle be hinged to protect arch and bracket base can regulate according to different cross-section shape of roadways, has good to connect top performance; Particularly the cross section of bracket base entirety of the present invention forms approximate recessed arc and is beneficial to and disperses pucking stress after stent in " U " shape or flat " U " shape; There is good expansion side ability, be convenient to prevent and manage tunnel wall caving;
2. the present invention can according to cross-section shape of roadway rationale design of scaffolds shape and size, and improve the self-bearing capacity of country rock, based on arch, the shape of a hoof, what pucking was serious can be designed to circle or ellipse; Combine the feature of rigid protection and flexible support, effectively control roadway deformation amount; Be applicable to the soft-rock tunnel of various buried depth, form effective support fast, control roadway deformation amount steady in a long-term;
3. the present invention adopts hydraulic pressure support column upper end to be connected by the middle part of the curved support arch bar that supports lug connecting pin and semicircle and protect in arch, and this unenclosed construction is conducive to replacing and the maintenance of pit prop; Support utilization and recycle utilization rate is high, safe effect is controlled well in removal process; The present invention can replace mine timber to replace metallic supports in galleries, obviously can save mine timber, only this item, can regain equipment investment then, thus directly reduce cost of production;
4. the pick of this soft-rock tunnel entirety is protected support and is had good geology adaptive capacity, and have extending space large, installation effectiveness is high, safety easy to use, the advantages such as comprehensive support is comprehensive; Country rock overrelaxation effectively can be avoided to produce destruction, cause damage.And do not affect normally carrying out of the work such as dash, pedestrian, Transporting equipment.
Accompanying drawing explanation
Fig. 1 is a kind of concrete structure schematic diagram of the present invention.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is the sectional view of bowing of Fig. 1.
In figure, sequence number illustrates: 1 hydraulic pressure support column; 2 arched top backplates; 3 curved support arch bars; 4 connect ear; 5 support lug; 6 column holders; 7 telescopic rails; 8 push oil cylinder holders; 9 thruster oil cylinders; 10 side guard boards; 11 drain water pipings.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, to the detailed description further of the present invention's do, but embodiments of the present invention are not limited thereto.
Embodiment 1
Fig. 1-3 represents that support is protected in the pick of a kind of soft-rock tunnel entirety, protects arch, two, left and right hydraulic pressure support column 1 and bracket base formed by semicircle; Described semicircle protects arch by one piece of arched top backplate 2 and medianly zygomorphic curved support arch bar 3, and being connected by four connection ears 4 formed; The upper end of two hydraulic pressure support columns 1 is connected respectively by supporting in the middle part of left and right sides curved support arch bar 3 that lug 5 and connecting pin and above-mentioned semicircle protect in arch, and the lower end of two hydraulic pressure support columns 1 is separately fixed on the column holder 6 on bracket base both sides; The cross section of described bracket base entirety, in " U " shape, is be formed by connecting by two groups of parallel telescopic rails 7 by between the column holder 6 of two, left and right; Middle in the middle part of two groups of parallel telescopic rails 7 is provided with push oil cylinder holder 8, and holder is equipped with towards heterochiral two thruster oil cylinders 9, the end that ejects of both sides push oil cylinder 9 pushes up two column holders 6 to the left and right respectively; Two, left and right wherein column holder 6 all has the side guard board 10 of band chute hole guide rail, and the both wings limit that semicircle protects arch is connected with the side guard board 10 chute hole guide rail of respective side by sliding pin.Described telescopic rail 7 is two channled rail socket assemblys, and telescopic rail 7 is provided with conveying track fixed connection apparatus.The right column holder 6 in described bracket base arranges a through drain water piping 11 by bottom.
Embodiment 2
Support is protected in the pick of a kind of soft-rock tunnel entirety, protects arch, two, left and right hydraulic pressure support column 1 and bracket base formed by semicircle; Described semicircle protects arch by one piece of arched top backplate 2 and medianly zygomorphic curved support arch bar 3, is connected forms by four loose-leaves; The upper end of two hydraulic pressure support columns 1 is connected respectively by supporting in the middle part of left and right sides curved support arch bar 3 that lug 5 and connecting pin and above-mentioned semicircle protect in arch, and the lower end of two hydraulic pressure support columns 1 is separately fixed on the column holder 6 on bracket base both sides; The cross section of described bracket base entirety is flat " U " shape, is to be formed by connecting by two groups of parallel telescopic rails 7 by between the column holder 6 of two, left and right; Middle in the middle part of two groups of parallel telescopic rails 7 is provided with push oil cylinder holder 8, and holder is equipped with towards heterochiral two thruster oil cylinders 9, the end that ejects of both sides push oil cylinder 9 pushes up two column holders 6 to the left and right respectively; Two, left and right wherein column holder 6 all has the side guard board 10 of band chute hole guide rail, and the both wings limit that semicircle protects arch is connected with the side guard board 10 chute hole guide rail of respective side by sliding pin.Described telescopic rail 7 is two channled rail socket assemblys, and telescopic rail 7 is provided with conveying track fixed connection apparatus.The right column holder 6 in described bracket base arranges a through drain water piping 11 by bottom.
Claims (3)
1. a support is protected in the pick of soft-rock tunnel entirety, protects arch, two, left and right hydraulic pressure support column (1) and bracket base formed primarily of semicircle; It is characterized in that: described semicircle protects arch by one piece of arched top backplate (2) and medianly zygomorphic curved support arch bar (3), being connected by four connections ear (4) or loose-leaf formed; The upper end of two hydraulic pressure support columns (1) is connected respectively by supporting in the middle part of left and right sides curved support arch bar (3) that lug (5) and connecting pin and above-mentioned semicircle protect in arch, and the lower end of two hydraulic pressure support columns (1) is separately fixed on the column holder (6) on bracket base both sides; The cross section of described bracket base entirety, in " U " shape or flat " U " shape, is be formed by connecting by two groups of parallel telescopic rails (7) by between the column holder (6) of two, left and right; Be provided with push oil cylinder holder (8) in the middle at two groups of parallel telescopic rail (7) middle parts, holder is equipped with towards heterochiral two thruster oil cylinders (9), the end that ejects of both sides push oil cylinder (9) pushes up two column holders (6) to the left and right respectively; Two, left and right wherein column holder (6) all has the side guard board (10) of band chute hole guide rail, and the both wings limit that semicircle protects arch is connected with side guard board (10) the chute hole guide rail of respective side by sliding pin.
2. support is protected in soft-rock tunnel entirety according to claim 1 pick, it is characterized in that: described telescopic rail (7) is two channled rail socket assemblys, and telescopic rail (7) is provided with conveying track fixed connection apparatus.
3. support is protected in the pick of soft-rock tunnel according to claim 1 entirety, it is characterized in that: a through drain water piping (11) is arranged by bottom in the right column holder (6) in described bracket base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310052232.7A CN103104267B (en) | 2013-02-18 | 2013-02-18 | Soft rock roadway whole digging shield support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310052232.7A CN103104267B (en) | 2013-02-18 | 2013-02-18 | Soft rock roadway whole digging shield support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103104267A CN103104267A (en) | 2013-05-15 |
| CN103104267B true CN103104267B (en) | 2015-01-07 |
Family
ID=48312432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310052232.7A Expired - Fee Related CN103104267B (en) | 2013-02-18 | 2013-02-18 | Soft rock roadway whole digging shield support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103104267B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894644A (en) * | 2020-08-14 | 2020-11-06 | 赵明明 | Underground engineering support bracket |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615269A (en) * | 2013-12-11 | 2014-03-05 | 范炳辉 | Improved soft rock roadway integral tunneling protection support |
| CN105525931B (en) * | 2014-09-28 | 2018-08-21 | 辽宁工程技术大学 | Bump circular tunnel erosion control holder device |
| CN104314596B (en) * | 2014-10-30 | 2017-02-15 | 北京双泰气动设备有限公司 | Pneumatic movable support of roadway |
| CN104989436B (en) * | 2015-06-02 | 2017-03-29 | 辽宁工程技术大学 | A kind of shock proof drift section hydraulic support of energy-absorption type |
| CN105350990B (en) * | 2015-11-25 | 2017-05-17 | 安徽理工大学 | Mining support having double pressure indicating function |
| CN107237643B (en) * | 2017-08-14 | 2023-03-21 | 成都理工大学 | Novel hydraulic resistance-increasing type tunnel pressure-yielding device |
| CN107883856A (en) * | 2017-11-06 | 2018-04-06 | 贵州大学 | Roadway surrounding rock two is helped and the real-time measurement apparatus and measuring method of roof deformation amount |
| CN108412521B (en) * | 2018-03-16 | 2019-11-26 | 马鞍山楚锐科技信息咨询有限公司 | Supporting arch door gear and its installation method for mine tunnel |
| CN108457686A (en) * | 2018-04-18 | 2018-08-28 | 贵州大学 | A kind of balanced type Telescopic movable supporting arch up and down |
| CN110030026A (en) * | 2019-05-22 | 2019-07-19 | 贵州大学 | A kind of scalable roadway support arch and its operating method |
| CN110307019B (en) * | 2019-07-10 | 2020-08-25 | 山东科技大学 | Supporting device for coal mine tunnel side wall |
| CN110529142B (en) * | 2019-07-30 | 2021-01-01 | 太原理工大学 | Deep roadway floor heave control device and method based on intelligent hydraulic bag |
| CN111852522A (en) * | 2020-06-09 | 2020-10-30 | 山东省煤田地质规划勘察研究院 | Rock burst circular tunnel scour protection support device |
| CN114961809B (en) * | 2022-06-21 | 2023-03-03 | 中国十九冶集团有限公司 | Supporting device for tunnel portal construction |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL115687B1 (en) * | 1978-03-24 | 1981-04-30 | Centralny Osrodek Projektowo Konstrukcyjny Maszyn Gorn | Gangway walking roof support |
| CN2076159U (en) * | 1990-10-13 | 1991-05-01 | 煤炭科学研究总院太原分院 | Hydraulic support substituting for shed |
| CN2586816Y (en) * | 2002-11-01 | 2003-11-19 | 李凤仪 | Soft-rock roadway closed type U-shape steel retractable support |
| CN201025039Y (en) * | 2007-04-30 | 2008-02-20 | 黄稳良 | Supporting frame for under-well laneway module |
| CN201747387U (en) * | 2010-04-16 | 2011-02-16 | 辽宁天安矿山科技有限公司 | Roadway supporting bracket |
| CN202250119U (en) * | 2011-09-15 | 2012-05-30 | 安徽恒源煤电股份有限公司刘桥第一煤矿 | Totally-enclosed U-shaped shed support frame for roadway supporting |
| CN203130112U (en) * | 2013-02-18 | 2013-08-14 | 范炳辉 | Overall digging and protecting support of soft rock roadway |
-
2013
- 2013-02-18 CN CN201310052232.7A patent/CN103104267B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894644A (en) * | 2020-08-14 | 2020-11-06 | 赵明明 | Underground engineering support bracket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103104267A (en) | 2013-05-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103104267B (en) | Soft rock roadway whole digging shield support | |
| CN201747387U (en) | Roadway supporting bracket | |
| CN102606177B (en) | Hydraulic prop for hydraulic support system | |
| CN103615269A (en) | Improved soft rock roadway integral tunneling protection support | |
| CN103147793B (en) | Girdle roadside packing non chain pillar entryprotection method | |
| CN101634230B (en) | Coal face self-moving forepoling | |
| CN102733836B (en) | Roadway support method for fully mechanized caving mining of weak extra-thick coal seam | |
| CN206625858U (en) | A kind of automatic moving type forepoling hydraulic support with side guard plate | |
| CN102305091B (en) | Support structure for hard rock large-section tunnel construction, and construction method for support structure | |
| CN104373147B (en) | Folding extension type roadway hydraulic bracket | |
| CN203130112U (en) | Overall digging and protecting support of soft rock roadway | |
| CN106761874A (en) | A kind of automatic moving type forepoling hydraulic support with side guard plate | |
| CN104405392B (en) | Three soft high seam tunnel jackings are kept on file anchor rete cord active support longwall top coal caving method | |
| CN206419050U (en) | A kind of alley hydraulic support of supporting variable-width | |
| CN203035217U (en) | Hydraulic support preventing rock burst | |
| CN104790985A (en) | Energy absorbing anti-impact hydraulic support for fully-closed round roadway | |
| CN203239360U (en) | Adjustable double-blocking energy-absorption scour-prevention hydraulic support | |
| CN202531197U (en) | Hydraulic upright post for hydraulic bracket system | |
| CN203856487U (en) | Flexible cover combined support for cut and fill mining of steep inclined coal seam | |
| CN103174441B (en) | Adjustable double-resistance energy absorption anti-impact hydraulic support frame | |
| CN205743941U (en) | A kind of colliery tunnel support plate | |
| CN105134271B (en) | Fully-mechanized mining working two ends cross freeboard section hydraulic prop device | |
| CN112901226A (en) | Ultra-thin roof roadway supporting method under goaf | |
| CN210977533U (en) | Flexible supporting beam suitable for advance support mechanism | |
| CN206539363U (en) | A kind of antiflushing type mine roadway support device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |