CN203130112U - Overall digging and protecting support of soft rock roadway - Google Patents
Overall digging and protecting support of soft rock roadway Download PDFInfo
- Publication number
- CN203130112U CN203130112U CN 201320075383 CN201320075383U CN203130112U CN 203130112 U CN203130112 U CN 203130112U CN 201320075383 CN201320075383 CN 201320075383 CN 201320075383 U CN201320075383 U CN 201320075383U CN 203130112 U CN203130112 U CN 203130112U
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- support
- arch
- soft rock
- soft
- protecting
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Abstract
The utility model relates to an overall digging and protecting support of a soft rock roadway, and belongs to the field of mining machinery manufacturing and application. The overall digging and protecting support of the soft rock roadway is mainly composed of a semi-circular protecting arch, a left hydraulic supporting stand column (1) and a right hydraulic supporting stand column (1) and a support base; the upper ends of the two hydraulic supporting stand columns (1) are respectively connected with the semi-circular protecting arch through supporting connecting lugs (5) and connecting pins, and the lower ends of the two hydraulic supporting stand columns (1) are fixed on stand column fixing bases (6) on two sides of the support base respectively; the two stand column fixing bases (6) are connected with each other through two sets of parallel telescopic guide rails (7) to form the support base; and a pushing oil-cylinder fixing base and two side pushing oil-cylinders (9) respectively facing towards the left and the right are installed in the middle of the two sets of parallel telescopic guide rails (7). The overall digging and protecting support of the soft rock roadway has the advantages that the periphery can bear pressure simultaneously, compressive strength is high, supporting force is large, operation is convenient, and parts and components are combined tightly. According to the overall digging and protecting support of the soft rock roadway, safety, adaptability, technical advancement and economical efficiency of soft rock shoring engineering are promoted integrally through design optimization and in terms of convenient and rapid roadway construction, structure innovation and the like.
Description
Technical field
The utility model relates to a kind of safety support device for mine laneway, particularly a kind ofly is applicable to that the whole pick of improved soft-rock tunnel in various soft-rock tunnels are pressed with suffering or pressure from surrounding rock is big mining area protects support; 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 rock stratum, mine deep geostatic stress also continues to increase, and particularly the distortion of coal mine roadway soft rock is big, country rock is easily destroyed, country rock is the overrelaxation under pressure, and easily unstability produces excessive plastic strain or loose damage problem under the secondary stresses effect, easily cause accident harms such as roof fall, wall caving, pucking, cause serious casualties and property loss.For the consideration of safety and production aspect, need implement supporting to soft-rock tunnel.Present soft-rock tunnel does not have suitable support available, and great majority adopt anchor spray, 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 the pick before occurring, repeatedly overhaul, the maintenance works amount is infinitely amplified, and recovery difficult is big, and support cost increases, defect problems such as supporting inefficiency.
At 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 made up of a plurality of hydraulic stems, hydraulic cylinder, arc supporting plate etc., though this supporting structure compactness 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 accident harms such as wall caving, pucking.
The utility model content
Technical problem to be solved in the utility model is: provide a kind of have around equal pressurizeds simultaneously, and compressive strength height, supporting force are big, easy to operate, protect support in conjunction with the tight whole pick of soft-rock tunnel of characteristics between the component, it passes through design optimization, set about aspects such as, structure innovation convenient from roadway construction, and integral body has promoted safety, compliance, technical advance and the economy of soft rock supporting engineering.
The technical scheme that the utility model adopts be achieved in that the whole pick of this soft-rock tunnel protect support mainly by semicircle protect arch, about two hydraulic pressure support posts and bracket base 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 constitute; The upper end of two hydraulic pressure support posts is protected left and right sides arc in the 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 posts 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, be by about be formed by connecting by two groups of parallel telescopic rails between two column holders; The place is provided with the push oil cylinder holder in the middle of two groups of parallel telescopic rail middle parts, is equipped with on the holder towards heterochiral two thruster oil cylinders, and the end that ejects of two push oil cylinder pushes up two column holders to the left and right respectively; Two column holders all have the side guard board of being with the chute hole guide rail wherein, and the both wings limit that semicircle protects arch links to each other 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 the 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 pressure that roof pressure equates with side pressure, also can bear roof pressure greater than the pressure of side pressure, also can bear side pressure greater than roof pressure and unbalance loading equal pressure, have the characteristics of the dynamic pressure of bearing simultaneously.When outside when carrying greater than supporting capacity, the whole pick of soft-rock tunnel is protected under two hydraulic pressure support posts of support contracting and is allowed pressures, realizes the constant-resistance support.
Assembling process of the present utility model 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, with about two column holder telescopic rails parallel with two groups interconnect; Install the push oil cylinder holder and towards heterochiral two thruster oil cylinders; The cylinder body of two hydraulic pressure support post 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 hydraulic pressure support post upper end respectively as the jacking origin of force, and semicircle is protected arch both wings limit links to each other with the side guard board chute hole guide rail of respective side by sliding pin and connect.Then, start hydraulic workstation, rise two hydraulic pressure support posts and two thruster oil cylinders simultaneously, the semicircle that support is protected in the whole pick of soft-rock tunnel protect arch and about the side guard board of two column holders and column holder, just open along roadway shape and be close to section, constitute and support, namely form firm lane space, improved the self-bearing capacity of country rock, base with about two supporting seats stretch the back at support and form approximate ellipsoidal and disperse pucking stress, thereby firmly support top board and the base plate in tunnel.
The characteristics that support combines rigidity supporting and flexible support are protected in the whole soft rock pick of the utility model, effectively control the roadway deformation amount.It is big to have extending space, the installation effectiveness height, safety easy to use, characteristics such as comprehensive support is comprehensive can adapt to complicated ambient stress, it is big to solve the distortion of mine working soft rock, and pressure from surrounding rock is big, easily unstability, produce excessive plastic strain or loose damage under the easy destroyed secondary stresses effect of country rock overrelaxation, country rock produces problems such as excessive plastic strain or loose damage under the secondary stresses effect.
The utility model compared with prior art has the following advantages and economic effect:
1. the utility model uses the semicircle be hinged to protect arch can to regulate according to different drift section shapes with bracket base, has the good top performance that connects; Particularly the cross section of bracket base integral body of the present utility model is " U " shape or flat " U " shape and stretches the back at support and form approximate recessed arc and be beneficial to and disperse pucking stress; Have good expansion group ability, be convenient to prevent and manage the tunnel wall caving;
2. the utility model can improve the self-bearing capacity of country rock according to drift section shape appropriate design support shape and size, and based on arch, the shape of a hoof, what pucking was serious can be designed to circle or ellipse; Combine the characteristics of rigidity supporting and flexible support, effectively control the roadway deformation amount; Be applicable to the soft-rock tunnel of various buried depths, form effective support fast, control roadway deformation amount steady in a long-term;
3. the utility model adopts hydraulic pressure support post upper end to link with the arc support arch bar middle part that connecting pin and semicircle protect in the arch by supporting lug, and this unenclosed construction is conducive to replacing and the maintenance of supporting column; Support reclaims in multiplexing utilization rate height, the removal process safe effect and controls well; The utility model can replace mine timber to replace metallic supports in galleries, can obviously save mine timber, and only this item can be regained equipment investment then, thereby directly reduce production costs;
4. the whole pick of this soft-rock tunnel is protected support and is had good geology adaptive capacity, and it is big to have an extending space, installation effectiveness height, safety easy to use, advantage such as comprehensive support is comprehensive; Can effectively avoid the country rock overrelaxation to produce destruction, cause damage.And do not influence dash, pedestrian, transport normally carrying out of work such as equipment.
Description of drawings
Fig. 1 is a kind of concrete structure schematic diagram of the present utility model.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is the sectional view of bowing of Fig. 1.
Sequence number explanation among the figure: 1 hydraulic pressure support post; 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 utility model do, but embodiment of the present utility model is not limited thereto.
Support is protected in the whole pick of a kind of soft-rock tunnel of Fig. 1-3 expression, by semicircle protect arch, about two hydraulic pressure support posts 1 and bracket base 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 constitute; The upper end of two hydraulic pressure support posts 1 links with arc support arch bar 3 middle parts, the left and right sides that above-mentioned semicircle protects in the arch by supporting lug 5 and connecting pin respectively, and the lower end of two hydraulic pressure support posts 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, be by about be formed by connecting by two groups of parallel telescopic rails 7 between two column holders 6; 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 the holder towards heterochiral two thruster oil cylinders 9, and the end that ejects of both sides push oil cylinder 9 pushes up two column holders 6 to the left and right respectively; Two column holders 6 all have the side guard board 10 of being with the chute hole guide rail wherein, and the both wings limit that semicircle protects arch links to each other 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 the 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, by semicircle protect arch, about two hydraulic pressure support posts 1 and bracket base 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 constitute; The upper end of two hydraulic pressure support posts 1 links with arc support arch bar 3 middle parts, the left and right sides that above-mentioned semicircle protects in the arch by supporting lug 5 and connecting pin respectively, and the lower end of two hydraulic pressure support posts 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, be by about be formed by connecting by two groups of parallel telescopic rails 7 between two column holders 6; 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 the holder towards heterochiral two thruster oil cylinders 9, and the end that ejects of both sides push oil cylinder 9 pushes up two column holders 6 to the left and right respectively; Two column holders 6 all have the side guard board 10 of being with the chute hole guide rail wherein, and the both wings limit that semicircle protects arch links to each other 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 the 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 a soft-rock tunnel, mainly by semicircle protect arch, about two hydraulic pressure support posts (1) and bracket base 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 connect ears (4) or loose-leaf link constitute; The upper end of two hydraulic pressure support posts (1) links in the middle part of protecting left and right sides arc support arch bar (3) in the arch by supporting lug (5) and connecting pin and above-mentioned semicircle respectively, and the lower end of two hydraulic pressure support posts (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, be by about be formed by connecting by two groups of parallel telescopic rails (7) between two column holders (6); The place is provided with push oil cylinder holder (8) in the middle of two groups of parallel telescopic rails (7) middle part, is equipped with on the holder towards heterochiral two thruster oil cylinders (9), and the end that ejects of both sides push oil cylinder (9) pushes up two column holders (6) to the left and right respectively; Two column holders (6) all have the side guard board (10) of band chute hole guide rail wherein, and the both wings limit that semicircle protects arch links to each other 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, and 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 the 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 |
|---|---|---|---|
| CN 201320075383 CN203130112U (en) | 2013-02-18 | 2013-02-18 | Overall digging and protecting support of soft rock roadway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320075383 CN203130112U (en) | 2013-02-18 | 2013-02-18 | Overall digging and protecting support of soft rock roadway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203130112U true CN203130112U (en) | 2013-08-14 |
Family
ID=48938103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320075383 Expired - Lifetime CN203130112U (en) | 2013-02-18 | 2013-02-18 | Overall digging and protecting support of soft rock roadway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203130112U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104267A (en) * | 2013-02-18 | 2013-05-15 | 范炳辉 | Soft rock roadway whole digging shield support |
| CN103485805A (en) * | 2013-09-06 | 2014-01-01 | 中国矿业大学(北京) | Structure of steel-bar concrete rack section, grouting port and air exhausting hole |
| CN108412525A (en) * | 2018-05-21 | 2018-08-17 | 东莞市联洲知识产权运营管理有限公司 | A kind of supporting mechanism in mining hole |
-
2013
- 2013-02-18 CN CN 201320075383 patent/CN203130112U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104267A (en) * | 2013-02-18 | 2013-05-15 | 范炳辉 | Soft rock roadway whole digging shield support |
| CN103485805A (en) * | 2013-09-06 | 2014-01-01 | 中国矿业大学(北京) | Structure of steel-bar concrete rack section, grouting port and air exhausting hole |
| CN103485805B (en) * | 2013-09-06 | 2016-04-13 | 中国矿业大学(北京) | Steel pipe concrete bracket section and grouting port and vent structure |
| CN108412525A (en) * | 2018-05-21 | 2018-08-17 | 东莞市联洲知识产权运营管理有限公司 | A kind of supporting mechanism in mining hole |
| CN108412525B (en) * | 2018-05-21 | 2019-10-29 | 蔡天明 | A kind of supporting mechanism in mining hole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130814 Effective date of abandoning: 20150107 |
|
| RGAV | Abandon patent right to avoid regrant |