CN103104267A - Soft rock roadway whole digging shield support - Google Patents
Soft rock roadway whole digging shield support Download PDFInfo
- Publication number
- CN103104267A CN103104267A CN2013100522327A CN201310052232A CN103104267A CN 103104267 A CN103104267 A CN 103104267A CN 2013100522327 A CN2013100522327 A CN 2013100522327A CN 201310052232 A CN201310052232 A CN 201310052232A CN 103104267 A CN103104267 A CN 103104267A
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- support
- arch
- semicircle
- soft
- soft rock
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- 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
- 210000005069 ears Anatomy 0.000 claims description 3
- 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 6
- 230000000694 effects Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 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
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram 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
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
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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 whole pick of improved soft-rock tunnel that is applicable to the mining area that various soft-rock tunnels are pressed with suffering or pressure from surrounding rock is large; Its compact conformation, convenient disassembly especially are convenient to install in the roadway road, belong to mining machinery manufacturing 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 the distortion of coal mine roadway soft rock is large, country rock is easily destroyed, country rock is the overrelaxation under pressure, and easily unstability, produce excessive plastic strain or loose damage problem under the 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.Present 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, exists security performance low; Not only can not resist from side and following pressure, cause security incident harm; Also can bring construction technology loaded down with trivial details, repair after pick before occurring, repeatedly overhaul, the maintenance works amount is infinitely amplified, and recovery difficult is large, and support cost increases, the defect problems such as supporting inefficiency.
For above problem, the correlation engineering technician of this area has also done 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 comprised of a plurality of hydraulic stems, hydraulic cylinder, arc supporting plate etc., although this supporting structure is compact, and is easy to operate, can resist the pressure from top board and beneath two angular positions, but the pressure from positive side and bottom surface is difficult to overcome, and still has the possibility of the accident harms such as wall caving, pucking.
Summary of the invention
Technical problem to be solved by this invention is: a kind of all pressurizeds simultaneously of surrounding that have are provided, and compressive strength is high, supporting force is large, protect support in conjunction with the tight whole pick of soft-rock tunnel of characteristics between easy to operate, component, it passes through design optimization, set about the aspects such as, structure innovation convenient from roadway construction, Integral lifting safety, compliance, technical advance and the economy of soft rock supporting engineering.
The technical solution adopted in the present invention is achieved in that the whole pick of this soft-rock tunnel protects support and mainly protect arch, two of left and right hydraulic pressure support column and bracket base by semicircle and formed; Described semicircle protects arch and supports arch bar by an arched top backplate and medianly zygomorphic arc, by four connect ears or loose-leaf link consist of; The upper end of two hydraulic pressure support columns is protected left and right sides arc in arch and is linked in the middle part of supporting arch bar by supporting lug and connecting pin and above-mentioned semicircle respectively, 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 integral body is " U " shape or flat " U " shape, is by being formed by connecting by two groups of parallel telescopic rails between the column holder of two of left and right; Locate to be provided with the push oil cylinder holder in the middle of in the middle part of two groups of parallel telescopic rails, be equipped with on holder towards heterochiral two thruster oil cylinders, the end that ejects of two push oil cylinder pushes up respectively two column holders to the left and right; Two of left and right wherein column holder all has the side guard board with the 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 the conveying track fixed connection apparatus.
Further, dredge for the ease of tunnel water, the right column holder in above-mentioned bracket base is arranged the drain water piping of a perforation by the bottom.
The support principle that support is protected in the whole pick of this soft-rock tunnel is: it has the bearing mode as metallic supports in galleries, can carry the different roadway surrounding rock pressure that distributes, both can bear the top and press the pressure that equates with side pressure, also can bear the top pressure greater than the pressure of side pressure, also can bear side pressure and press and the unbalance loading equal pressure greater than the top, have simultaneously the characteristics of the dynamic pressure of bearing.When outside when carrying greater than supporting capacity, the whole pick of soft-rock tunnel is protected under two hydraulic pressure support columns of support contracting and is allowed pressures, realizes the constant-resistance support.
Assembling process of the present invention is as follows: after each parts that support is protected in the whole pick of soft-rock tunnel are transported in the tunnel that needs supporting, two of the left and right column holder telescopic rail parallel with two groups interconnected; Install the 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, connected the hydraulic workstation pipeline; The left side arc that semicircle is protected arch supports arch bar and right side arc and supports the arch bar middle part and be hinged on respectively hydraulic pressure support column upper end as the jacking origin of force, and semicircle is protected arch both wings limits is connected with the side guard board chute hole guide rail of respective side by sliding pin and connects.Then, start hydraulic workstation, rise simultaneously two hydraulic pressure support columns and two thruster oil cylinders, the semicircle that support is protected in the whole pick of soft-rock tunnel protects the side guard board of arch and two of left and right column holder and column holder, just open along roadway shape and be close to section, consist of and support, namely form firmly lane space, improved the self-bearing capacity of country rock, two supporting seats in base and left and right form approximate ellipsoidal and disperse pucking stress after support stretches, thereby firmly support top board and the base plate in tunnel.
The characteristics that support combines rigid protection and flexible support are protected in the whole soft rock pick of the present invention, effectively control the roadway deformation amount.Has extending space large, installation effectiveness is high, safety easy to use, the characteristics such as comprehensive support is comprehensive can adapt to complicated ambient stress, solve the distortion of mine working soft rock large, pressure from surrounding rock is large, easily unstability, produce excessive plastic strain or loose damage under the easy destroyed secondary stresses effect of country rock overrelaxation, country rock produces the problems such as excessive plastic strain or loose damage under the 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 be regulated according to different cross-section shape of roadways, has the good top performance that connects; Particularly the cross section of bracket base integral body of the present invention is " U " shape or flat " U " shape and forms approximate recessed arc be beneficial to and disperse pucking stress after support stretches; Have good expansion side ability, be convenient to prevent and manage the tunnel wall caving;
2. the present invention can improve the self-bearing capacity of country rock according to cross-section shape of roadway appropriate design support shape and size, and take arch, the shape of a hoof as main, what pucking was serious can be designed to circle or ellipse; Combine the characteristics of rigid protection and flexible support, effectively control the roadway deformation amount; Be applicable to the soft-rock tunnel of various buried depths, form fast effective support, the roadway deformation amount of controlling steady in a long-term;
3. the present invention adopts hydraulic pressure support column upper end to link in the middle part of protecting arc support arch bar in arch with connecting pin and semicircle by supporting lug, and this unenclosed construction is conducive to replacing and the maintenance of pit prop; Support reclaims that multiplexing 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, can obviously save mine timber, and only this item can be regained then equipment investment, thereby directly reduce production costs;
4. the whole pick of this soft-rock tunnel is protected support and is had good geology adaptive capacity, has an extending space large, and installation effectiveness is high, safety easy to use, the advantage such as comprehensive support is comprehensive; Can effectively avoid the country rock overrelaxation to produce destruction, cause damage.And do not affect normally carrying out of the work such as dash, pedestrian, Transporting equipment.
Description of drawings
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.
Sequence number explanation in figure: 1 hydraulic pressure support column; 2 arched top backplates; 3 arcs support arch bar; 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.
The specific embodiment
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 to this.
Embodiment 1
Support is protected in the whole pick of a kind of soft-rock tunnel of Fig. 1-3 expression, protects arch, two of left and right hydraulic pressure support column 1 and bracket base by semicircle and is formed; Described semicircle protects arch and supports arch bar 3 by an arched top backplate 2 and medianly zygomorphic arc, by four connect ears 4 link consist of; The upper end of two hydraulic pressure support columns 1 links by supporting arc support arch bar 3 middle parts, the left and right sides that lug 5 and connecting pin and above-mentioned semicircle protect in arch respectively, 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 integral body is " U " shape, is by being formed by connecting by two groups of parallel telescopic rails 7 between the column holder 6 of two of left and right; The place is provided with push oil cylinder holder 8 in the middle of two groups of parallel telescopic rail 7 middle parts, is equipped with on holder towards heterochiral two thruster oil cylinders 9, and the end that ejects of both sides push oil cylinder 9 pushes up respectively two column holders 6 to the left and right; Two of left and right wherein column holder 6 all has the side guard board 10 with the chute hole guide rail, and the both wings limit that semicircle protects arch is connected with the side guard board 10 chute hole guide rails of respective side by sliding pin.Described telescopic rail 7 is two channled rail socket assemblys, and telescopic rail 7 is provided with the conveying track fixed connection apparatus.The right column holder 6 in described bracket base is arranged the drain water piping 11 of a perforation by the bottom.
Support is protected in the whole pick of a kind of soft-rock tunnel, protects arch, two of left and right hydraulic pressure support column 1 and bracket base by semicircle and is formed; Described semicircle protects arch and supports arch bar 3 by an arched top backplate 2 and medianly zygomorphic arc, by four loose-leaves link consist of; The upper end of two hydraulic pressure support columns 1 links by supporting arc support arch bar 3 middle parts, the left and right sides that lug 5 and connecting pin and above-mentioned semicircle protect in arch respectively, 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 integral body is flat " U " shape, is by being formed by connecting by two groups of parallel telescopic rails 7 between the column holder 6 of two of left and right; The place is provided with push oil cylinder holder 8 in the middle of two groups of parallel telescopic rail 7 middle parts, is equipped with on holder towards heterochiral two thruster oil cylinders 9, and the end that ejects of both sides push oil cylinder 9 pushes up respectively two column holders 6 to the left and right; Two of left and right wherein column holder 6 all has the side guard board 10 with the chute hole guide rail, and the both wings limit that semicircle protects arch is connected with the side guard board 10 chute hole guide rails of respective side by sliding pin.Described telescopic rail 7 is two channled rail socket assemblys, and telescopic rail 7 is provided with the conveying track fixed connection apparatus.The right column holder 6 in described bracket base is arranged the drain water piping 11 of a perforation by the bottom.
Claims (3)
1. support is protected in the whole pick of soft-rock tunnel, mainly protects arch, two the hydraulic pressure support columns in left and right (1) and bracket base by semicircle and is formed; It is characterized in that: described semicircle protects arch and supports arch bar (3) by an arched top backplate (2) and medianly zygomorphic arc, by four connection ears (4) or loose-leaf link consist of; The upper end of two hydraulic pressure support columns (1) links in the middle part of protecting left and right sides arc support arch bar (3) in arch by supporting lug (5) and connecting pin and above-mentioned semicircle respectively, 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 integral body is " U " shape or flat " U " shape, is by being formed by connecting by two groups of parallel telescopic rails (7) between two the column holders in left and right (6); In the middle of in the middle part of two groups of parallel telescopic rails (7), the place is provided with push oil cylinder holder (8), is equipped with on holder towards heterochiral two thruster oil cylinders (9), and the end that ejects of both sides push oil cylinder (9) pushes up respectively two column holders (6) to the left and right; Two the column holders in left and right wherein (6) all have the side guard board (10) with the 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 the whole pick of soft-rock tunnel according to claim 1, it is characterized in that: described telescopic rail (7) is two channled rail socket assemblys, and telescopic rail (7) is provided with the conveying track fixed connection apparatus.
3. support is protected in the whole pick of soft-rock tunnel according to claim 1, it is characterized in that: the right column holder (6) in described bracket base is arranged the drain water piping (11) of a perforation by the bottom.
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 true CN103104267A (en) | 2013-05-15 |
| CN103104267B CN103104267B (en) | 2015-01-07 |
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| 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 |
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| Country | Link |
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| CN (1) | CN103104267B (en) |
Cited By (15)
| 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 |
| CN104314596A (en) * | 2014-10-30 | 2015-01-28 | 周文川 | Pneumatic movable support of roadway |
| CN104989436A (en) * | 2015-06-02 | 2015-10-21 | 辽宁工程技术大学 | Energy-absorption type impact-resistant tunnel cross-section hydraulic support |
| CN105350990A (en) * | 2015-11-25 | 2016-02-24 | 安徽理工大学 | Mining support having double pressure indicating function |
| CN105525931A (en) * | 2014-09-28 | 2016-04-27 | 辽宁工程技术大学 | Burst-preventing support device for rock burst round roadway |
| CN107237643A (en) * | 2017-08-14 | 2017-10-10 | 成都理工大学 | A kind of novel hydraulic resistance increasing type tunnel is by pressure 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 |
| CN108412521A (en) * | 2018-03-16 | 2018-08-17 | 合肥托卡拉图科技有限公司 | 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 |
| CN110307019A (en) * | 2019-07-10 | 2019-10-08 | 山东科技大学 | Coal mine roadway lane side suspension device |
| CN110529142A (en) * | 2019-07-30 | 2019-12-03 | 太原理工大学 | Deep tunnel pucking 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 |
| CN111894644A (en) * | 2020-08-14 | 2020-11-06 | 赵明明 | Underground engineering support bracket |
| CN114961809A (en) * | 2022-06-21 | 2022-08-30 | 中国十九冶集团有限公司 | Support arrangement based on tunnel entrance to a cave construction usefulness |
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| 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
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2017196A (en) * | 1978-03-24 | 1979-10-03 | Ts Osrodek P K Maszyn Gorn | An Arched Roof-Lining |
| 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 |
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Cited By (18)
| 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 |
| CN105525931A (en) * | 2014-09-28 | 2016-04-27 | 辽宁工程技术大学 | Burst-preventing support device for rock burst round roadway |
| CN104314596A (en) * | 2014-10-30 | 2015-01-28 | 周文川 | Pneumatic movable support of roadway |
| CN104989436A (en) * | 2015-06-02 | 2015-10-21 | 辽宁工程技术大学 | Energy-absorption type impact-resistant tunnel cross-section hydraulic support |
| CN105350990A (en) * | 2015-11-25 | 2016-02-24 | 安徽理工大学 | Mining support having double pressure indicating function |
| CN107237643A (en) * | 2017-08-14 | 2017-10-10 | 成都理工大学 | A kind of novel hydraulic resistance increasing type tunnel is by pressure 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 |
| CN108412521A (en) * | 2018-03-16 | 2018-08-17 | 合肥托卡拉图科技有限公司 | 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 |
| CN110307019A (en) * | 2019-07-10 | 2019-10-08 | 山东科技大学 | Coal mine roadway lane side suspension device |
| CN110307019B (en) * | 2019-07-10 | 2020-08-25 | 山东科技大学 | Supporting device for coal mine tunnel side wall |
| CN110529142A (en) * | 2019-07-30 | 2019-12-03 | 太原理工大学 | Deep tunnel pucking 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 |
| CN111894644A (en) * | 2020-08-14 | 2020-11-06 | 赵明明 | Underground engineering support bracket |
| CN114961809A (en) * | 2022-06-21 | 2022-08-30 | 中国十九冶集团有限公司 | Support arrangement based on tunnel entrance to a cave construction usefulness |
| 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 |
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