CN101798935B - Transverse self-moving combined suspension hydraulic bracket - Google Patents
Transverse self-moving combined suspension hydraulic bracket Download PDFInfo
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- CN101798935B CN101798935B CN2010100343959A CN201010034395A CN101798935B CN 101798935 B CN101798935 B CN 101798935B CN 2010100343959 A CN2010100343959 A CN 2010100343959A CN 201010034395 A CN201010034395 A CN 201010034395A CN 101798935 B CN101798935 B CN 101798935B
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- back timber
- support
- top beam
- jack
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Abstract
The invention relates to a transverse self-moving combined suspension hydraulic bracket which comprises a top beam, sliding rails, a hydraulic pushing jack, a hydraulic support pillar and a hydraulic operation and control system, wherein the slideways are arranged at the belly of the top beam and along the length direction vertical to the top beam, and the sliding rails are arranged inside the slideways; the bottom surface of the top beam is provided with the pushing jack connected with the bottom surface of the top beam between the two adjacent hydraulic brackets; the bottom surface of the top beam is provided with the hydraulic support pillar vertical to the bottom surface of the top beam; the hydraulic operation and control system is used for controlling the stretch of the hydraulic pushing jack and the hydraulic support pillar; and the top beam is provided with a lateral upper protecting plate(s) at one side end part or two side end parts along the length direction. The transverse self-moving combined suspension hydraulic bracket has the advantages of small volume, light weight, convenient transportation, simple installation, large support protecting area and completing once whole support protection for roadway width. The two ends of the bracket are provided with the upper protecting plates used for supporting and protecting coal slide, so that the coal slide can be effectively prevented from hurting people; meanwhile, the bracket can be conveniently rotated up and down as well as left and right along the horizontal direction according to the geological change of a working plane level.
Description
Technical field
The present invention relates to the coal mine support field, relate in particular to the advance support equipment that crossheading tailgate on the coal-face and following crossheading are transported the coal gallery.
Background technology
China is a big coal country, no matter be overall productivity, or total amount consumed all occupies first place in the world, and has especially got into since this century, and coal demand continues to increase at a high speed year after year, guarantees for development and national economy provides the reliable energy.Yet the ocurrence of coal seam situation of China is wanted the many of complicacy than other countries, and the technology of exploitation is also backward relatively, so the important safe performance assessment criteria in colliery---and 1,000,000 tons of workers die rate still than higher.According to authoritative analysis of statistical data, in the mine safety accidents type, the roof accident proportion is first all the time.Therefore, the generation of effectively controlling roof accident is the most important, and the core of the face timbering safety good top board that is exactly supporting.
See that from existing support technology the support form of coal-face generally adopts hydraulic support, stopped the face roof casualty accident basically.And adopt hydraulic support stand also not have most suitable equipment at present for the face up and down trough gallery.This be because, the crossheading gallery is owing to receive the long-pending restriction of drift section, large-scale support is difficult to transportation, more is difficult to install.The coal seam occurrence often changes in addition, so use suitable holder just more difficult.
What coal-face crossheading gallery generally adopted at present is that the individual prop align reaming connects back timber or the long beam supporting of π type, and the tangible advantage of this support form is an extremely well-adapted.But the weakness of this support form is also very obvious: it is big at first to show as labor strength, and security reliability is lower, and the supporting of this section is an emphasis; Because this section and work plane two ends up and down join; The outstanding top area in end is big, and plant equipment is many and concentrated, and it is also big to take up room; But also be the only way which must be passed of personnel, material and facility turnover, unique escape way after prior or work plane has an accident.
This shows; The supporting safety of face up and down trough gallery is how important; For this reason; " safety regulations in coal mine ", " colliery operating regulation ", " colliery operational procedure " to the supporting safety of this section all specialize detailed and clear and definite regulation, require the supporting in 20 meters of this sections must be strengthened and monitor.Because the condition of this section receives restriction very strong, for many years the professional of each side is making great efforts the breakthrough of research support pattern always, but even to this day, does not still have substantial progress, especially light hydraulic support supporting field or blank out.
Summary of the invention
The object of the invention is to provide a kind of transverse self-moving combined suspension hydraulic bracket, solves coal-face crossheading gallery bracket support up and down.Promptly adopt a kind of transverse self-moving combined suspension hydraulic bracket supported face crossheading gallery up and down,, alleviate working strength of workers, prevent security incident, ensure safety in production to realize the safe and reliable supporting of this section.
For realizing above-mentioned purpose, the technical scheme that the present invention adopted is: a kind of transverse self-moving combined suspension hydraulic bracket comprises back timber, slide rail, hydraulic pressure passing jack, hydraulic prop, hydraulic operation and control system.Be equiped with slideway at said back timber belly with the length direction perpendicular to back timber, said slide rail places in the slideway.The passing jack that links to each other with adjacent hydraulic support back timber bottom surface is installed in said back timber bottom surface, pass jack drive when flexible hydraulic support on slide rail away from or near adjacent hydraulic support.In said back timber bottom surface the hydraulic prop perpendicular to the back timber bottom surface is installed, hydraulic prop plays the effect of support hydraulic pressure support.Said hydraulic operation and control system control hydraulic pressure are passed the flexible of jack and hydraulic prop.
Said back timber is equipped with the side direction face guard along a side end or the both side ends of its length direction, and the side direction face guard is used for supporting tunnel rib up and down, prevents the coal wall caving casualty accident to greatest extent.
The flip angle of side direction face guard is by the control of side hydraulic jack, and said side hydraulic jack one end is connected with back timber, and the other end is connected with the side direction face guard.In like manner, also can adopt mechanical system to control the flip angle of side direction face guard.
The quantity of said slideway installing is more than two, and said slide rail quantity is identical with the slideway quantity of being installed.
In order to adapt to the variation of bearing, tendency and coal seam thickness, slide rail connects the adjustable articulated structure form of employing and forms by the more piece slide rail is hinged, is the laterally mobile guide function that provides of support.
The installation quantity of said passing jack is more than two.
The present invention has following marked improvement aspect the solution prior art blank:
1, support has that volume is little, in light weight, convenient transportation, installation is simple, supporting intensity is high, compliance is strong and characteristics such as safe and reliable.
2, support is installed along the stent length direction, vertically arranges, laterally moves forward, and its advantage is that the supporting area is big, and span length is accomplished the full supporting of disposable integral.
3, the support both ends are provided with the face guard of supporting coal group, can prevent effectively that wall caving from hurting sb.'s feelings, and especially receive mining influence; Convergent deformation can take place in gallery, and roadway surrounding rock is destroyed, in this case; Face guard can also play the effect of supporting coal group, to guarantee gallery and pedestrian's safety.
4, change according to the geology of work plane gallery, support can realize about the along continuous straight runs easily, about turn to.
5, support realizes that with the passing jack combining form is connected through slide rail, and support moves the point of push-and-pull each other, and project organization is simple, novel form, safe and reliable.
6, slide rail adopts radial type to connect, and is assembled into the logical rail of all supports of UNICOM, and its characteristics one are to be convenient to support move, the 2nd, be convenient to the down-hole transportation and install, the 3rd, can change according to the geology of gallery to support effectively transfer to.
Description of drawings
Fig. 1 is a transverse self-moving combined suspension hydraulic bracket agent structure sketch map according to the invention;
Fig. 2 is the upward view of transverse self-moving combined suspension hydraulic bracket according to the invention.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed explanation.
In conjunction with illustrated in figures 1 and 2, a kind of transverse self-moving combined suspension hydraulic bracket comprises back timber 6, slide rail 3, hydraulic pressure passing jack 5, hydraulic prop 2, hydraulic operation and control system.Be equiped with two slideways 4 at said back timber 6 bellies with length direction perpendicular to back timber 6; Said slide rail 3 is suspended to respectively in the slideway 4 of back timber 6; Slide rail 3 is connected in turn along back timber 6 directions of advance through slide rail connecting pin 7, for hydraulic support laterally moves guide function is provided.Two hydraulic pressure that link to each other with adjacent hydraulic support back timber 6 bottom surfaces are installed in said back timber 6 bottom surfaces pass jack 5, hydraulic pressure pass jack 5 drive when flexible hydraulic support on slide rail 3 away from or near adjacent hydraulic support.In said back timber 6 bottom surfaces four hydraulic props 2 perpendicular to back timber 6 bottom surfaces are installed, hydraulic prop 2 plays the effect of support hydraulic pressure support.Said hydraulic operation and control system control hydraulic pressure are passed the flexible of jack 5 and hydraulic prop 2.
Said back timber 6 is equipped with side direction face guard 1 along the both side ends of its length direction, and side direction face guard 1 is used for supporting tunnel rib up and down, prevents the coal wall caving casualty accident to greatest extent.
During practice of construction is used,, hydraulic support is outwards installed successively from the lining and is combined as a supporting integral body, supported top board at the gallery place, the termination of crossheading up and down of work plane.The supporting of being made up of four hydraulic supports that Fig. 2 representes is whole.When needs move frame, earlier the side direction face guard 1 of the hydraulic support in foremost is regained, the hydraulic prop 2 with hydraulic support unloads then; Back timber 6 is broken away under the top board drop on the slide rail 3, support by the slide rail 3 in the back timber 6 belly slideways 4, at this moment; The piston rod of the hydraulic pressure of second adjacent hydraulic support back timber 6 bottom being passed jack 5 stretches out; Forward pass a step pitch for propping up the hydraulic support that has unloaded of naming a person for a particular job along slide rail 3 with adjacent hydraulic support, after the completion, hydraulic prop 2 fluid injections of preceding moving hydraulic support are boosted; Make back timber 6 contacts and supported top board; And reach setting load according to the regulation of safety code, then side direction face guard 1 is outwards opened the good rib of supporting.
During second hydraulic support reach, shrink its hydraulic pressure that links to each other with first hydraulic support passing jack 5 and can realize reach, other hydraulic supports adopt the same way as reach in order.
Because slide rail 3 ends are fixed together with the tail-stock hydraulic-pressure support; Tail-stock hydraulic-pressure support when reach, slide rail 3 step pitch that also can move forward synchronously, so the hydraulic support that moves frame method and front of tail-stock hydraulic-pressure support has difference; Before the tail-stock hydraulic-pressure support moves frame; Unload hydraulic prop 2 earlier, but hydraulic prop 2 unloadings must be controlled at half unloaded state, move frame and take half sliding advance of support.Moving frame like this is in order to guarantee the safety of the stable and slide rail 3 of maintenance hydraulic support in moving the frame process.After the reach of tail-stock hydraulic-pressure support put in place, hydraulic prop 2 boosted, and made back timber 6 contact top boards and reached setting load.That thus, has accomplished a step pitch moves the frame overall process
The invention is not restricted to the foregoing description; To those skilled in the art, any conspicuous improvement of the above embodiment of the present invention being made or change can not exceed the embodiments of the invention that only illustrate by way of example and the protection domain of accompanying claims.
Claims (7)
1. transverse self-moving combined suspension hydraulic bracket is characterized in that: said hydraulic support comprises that back timber (6), slide rail (3), hydraulic pressure passes jack (5), hydraulic prop (2), hydraulic operation and control system; Be equiped with slideway (4) at said back timber (6) belly with the length direction perpendicular to back timber (6), said slide rail (3) places in the slideway (4); The hydraulic pressure that links to each other with adjacent hydraulic support back timber (6) bottom surface is installed in said back timber (6) bottom surface passes jack (5), hydraulic pressure pass jack (5) drive when flexible hydraulic support slide rail (3) go up away from or near adjacent hydraulic support; In said back timber (6) bottom surface the hydraulic prop (2) perpendicular to back timber (6) bottom surface is installed; Said hydraulic operation and control system control hydraulic pressure are passed the flexible of jack (5) and hydraulic prop (2).
2. hydraulic support as claimed in claim 1 is characterized in that: said back timber (6) is equipped with along a side end of its length direction and is used for the supporting tunnel side direction face guard (1) of rib up and down.
3. hydraulic support as claimed in claim 1 is characterized in that: it all is equipped with said back timber (6) both side ends along its length and is used for the up and down side direction face guard (1) of rib of supporting tunnel.
4. like claim 2 or 3 described hydraulic supports, it is characterized in that: also comprise the side hydraulic jack that is used to control side direction face guard (1) upset, said side hydraulic jack one end is connected with back timber (6), and the other end is connected with side direction face guard (1).
5. hydraulic support as claimed in claim 1 is characterized in that: the quantity of said slideway (4) installing is more than two, and said slide rail (3) quantity is identical with the slideway of being installed (4) quantity.
6. hydraulic support as claimed in claim 1 is characterized in that: said slide rail (3) adopts hinged the forming of more piece slide rail.
7. hydraulic support as claimed in claim 1 is characterized in that: the installation quantity that said hydraulic pressure is passed jack (5) is more than two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100343959A CN101798935B (en) | 2010-01-21 | 2010-01-21 | Transverse self-moving combined suspension hydraulic bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100343959A CN101798935B (en) | 2010-01-21 | 2010-01-21 | Transverse self-moving combined suspension hydraulic bracket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101798935A CN101798935A (en) | 2010-08-11 |
| CN101798935B true CN101798935B (en) | 2012-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010100343959A Expired - Fee Related CN101798935B (en) | 2010-01-21 | 2010-01-21 | Transverse self-moving combined suspension hydraulic bracket |
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| Country | Link |
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| CN (1) | CN101798935B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322281B (en) * | 2011-06-18 | 2013-04-03 | 张春生 | Tunnel quick-tunneling advance support integrated device |
| CN104555777B (en) * | 2014-12-13 | 2017-04-19 | 中国煤炭科工集团太原研究院有限公司 | Novel supporting device of coal mine consecutive winch |
| CN105041357B (en) * | 2015-08-20 | 2017-08-15 | 天地科技股份有限公司 | Single track handling tail becomes first formula advance support system |
| CN108167004A (en) * | 2017-12-11 | 2018-06-15 | 中国矿业大学(北京) | A kind of tunnel sliding rail type girders anchorage cable method for protecting support and suspension device |
| WO2020227780A1 (en) * | 2019-05-15 | 2020-11-19 | Mgw Engineering Pty Ltd | Mining apparatus |
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2010
- 2010-01-21 CN CN2010100343959A patent/CN101798935B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101798935A (en) | 2010-08-11 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20200121 |