CN109252866A - A kind of tunnelling longitudinal direction shunting method based on soft floor - Google Patents

A kind of tunnelling longitudinal direction shunting method based on soft floor Download PDF

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Publication number
CN109252866A
CN109252866A CN201810653906.1A CN201810653906A CN109252866A CN 109252866 A CN109252866 A CN 109252866A CN 201810653906 A CN201810653906 A CN 201810653906A CN 109252866 A CN109252866 A CN 109252866A
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CN
China
Prior art keywords
rail
lifting
tunnelling
shunting
longitudinal
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Pending
Application number
CN201810653906.1A
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Chinese (zh)
Inventor
左宇军
刘镐
邬忠虎
席仕军
孙文吉斌
刘荣波
林健云
税越
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Guizhou University
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Guizhou University
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Priority to CN201810653906.1A priority Critical patent/CN109252866A/en
Publication of CN109252866A publication Critical patent/CN109252866A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F13/00Transport specially adapted to underground conditions

Abstract

The present invention provides a kind of tunnelling longitudinal direction shunting method based on soft floor, to effectively reduce the pucking phenomenon in existing soft floor tunnel and improve the drivage ratio in tunnel and saving is shunt space, the parallel operations of transit link improve mine capacity of well so as to normally carry out excavation replacement during realization tunnelling.Belong to mining engineering technical field.

Description

A kind of tunnelling longitudinal direction shunting method based on soft floor
Technical field
The present invention relates to a kind of tunnelling longitudinal direction shunting methods, belong to mining engineering field.
Background technique
Excavation is one frequent and important work of coal production, muck and to shunt be burdensome in driving Work, under normal circumstances, the muck time accounts for about the 35%~50% of P. drechsleri time.Therefore, shipment comprehensive mechanization is improved Horizontal and its productivity is to realize the major measure of speedy drivage.Existing driving face is shunt, and generally there are occupancy for mode Space is big, equipment investment is high, the feature of more difficult movement.For these problems, we have made some changes in transhipment link, The transhipment work that rock slag is carried out using the mine car of longitudinal mode of shunting, can greatly improve the drivage efficiency in tunnel, saving is shunt Space.The height of driving technology and equipment is all directly related to the ability of coal production, efficient driving technology and pick It is the essential condition for guaranteeing mine and efficiently producing into efficiency, traditional tunnelling transportational process can not achieve parallel operations Purpose, even if being able to achieve parallel operations, that is also to be laid with two-orbit, considerably increases track laying length and improves pick Into cost.Therefore, it in order to promote the fast development of coal mining enterprise, needs for the actual demand in mining driving production, into one Mode of shunting during the improvement tunnelling of step is reached in a manner of realizing parallel operations and improves drivage efficiency and section The purpose in space of shunting is saved, so that excavation replacement can be carried out normally, improves mine capacity.
Summary of the invention
It is an object of the invention to: a kind of tunnelling longitudinal direction shunting method based on soft floor is provided, effectively to subtract It the pucking phenomenon in few existing soft floor tunnel and improves the drivage ratio in tunnel and saving is shunt space, realizes tunnelling The parallel operations of transit link improve mine capacity of well so as to normally carry out excavation replacement in the process.
To solve the above problems, such a tunnelling longitudinal direction shunting method based on soft floor of proposed adoption, specifically Steps are as follows:
Step 1: after tunnelling, the laying of rubber pad in the case where roadway floor and tunnel two sides carry out plate, when laying After rubber pad use concreting concrete railway board, be laid with plate under rubber pad be in order to prevent concrete layer meet water softening and Reduce its corresponding intensity, casting concrete layer is the stability of the generation and raising mine car operation in order to mitigate pucking phenomenon;
Step 2: cushion blocking under one layer of rail is installed on concrete railway board, the purpose is to guarantee the smooth of trapped orbit The stability of laying and transport mine car;
Step 3: rail is placed on cushion blocking and cushion blocking and rail are fixed by rail fastening, is used The benefit of rail fastening be it is easy for installation, while easy to disassemble, substantially increase installation effectiveness;
Step 4: being supported the installation of frame, is installing support frame respectively from retaining rail both ends specified distance, pacifies altogether It fills and is mounted on hydraulic pressure lifting device on 4 support frames and every support frame, while lifter switch and four being installed on the support frame Support frame carries out the hingedly stability to guarantee support construction with crossbeam respectively;
Step 5: after support construction is installed, start the installation for carrying out lifting rail, lifting rail is installed on retaining rail On and be connected with hydraulic pressure lifting device by rail connecting rod, lifting rail is fixed with latch in the inner and outer ends of lifting rail, is mentioned The connection of rail lift and hydraulic pressure lifting device is attached in this way;
Step 6: after whole system structure is installed, realize that the principle of parallel operations is when the weight for filling rock slag Vehicle transports outward when meeting with empty wagons, empty wagons is shifted on lifting rail and opens hydraulic pressure lifting device empty wagons is promoted certain altitude It is fixed, then loaded vehicle transport achieving the purpose that longitudinally to shunt from retaining rail toward well head, to realize tunnelling Parallel operations, the drivage efficiency and saving for improving tunnel are shunt space.
In abovementioned steps one, the rubber pad in the case where roadway floor and tunnel two sides are laid with plate, with mixed after laying rubber pad Solidifying soil pour the concrete layer i.e. concrete railway board of 200mm thickness, and the width of concrete railway board is 3.60m, is poured It is required that be cement mortar mix ratio being cement: sand=1:2.5, accelerator ratio are the 3~4% of cement consumption;
In abovementioned steps two, under rail cushion blocking with a thickness of 10mm, can effectively reach vibration damping purpose;
In abovementioned steps three, use model 43kg/m and length for the rail of 25m, and the gauge of two interorbitals is The connection of 0.6m, rail and cushion blocking is attached fixation by rail fastening, facilitates installation and removal;
In abovementioned steps four, 2 support frames are installed respectively at from each 15cm in retaining rail two sides and support frame height is 3.3m, and moving towards the distance between two support frames along tunnel is 12.5m, is mounted on hydraulic pressure lifting device on every support frame, simultaneously Lifter switch is installed on the support frame and four support frames carry out the hingedly stability to guarantee support construction with crossbeam respectively;
In abovementioned steps five, use model 38kg/m and length for the rail of 12.5m, and lifting rail both ends are adopted With beveled tip, convenient for shifting empty wagons on lifting rail onto, and the gauge of two interorbitals is 0.6m, and lifting rail is installed on retaining rail On and be connected with hydraulic pressure lifting device by rail connecting rod, wherein the diameter of rail connecting rod is 50mm to guarantee that connecting rod has foot Enough shearing strengths, and be fixed in the inner and outer ends of lifting rail with latch;
In abovementioned steps six, realize that the principle of parallel operations is when the loaded vehicle for filling rock slag transports and empty wagons phase outward When chance, empties is shifted on lifting rail and is opened after empty wagons is promoted 1.3m by hydraulic pressure lifting device and is fixed, interior edge is particularly used Width is 820mm, and outer width is 900mm, and interior along a length of 1500mm, a height of 1200mm, gauge is that 6 type of MGC1.1-of 600mm turns over Bucket type mine car.Then loaded vehicle transport achieving the purpose that longitudinally to shunt from retaining rail toward well head, to realize that tunnel is dug Into parallel operations, the drivage efficiency and saving for improving tunnel shunt space;
Entire car transferring system structure setting is at 30 meters of driving face, and pushing ahead with development end, and Shi Yidong car transferring system structure, to guarantee the uninterrupted transhipment of rock slag, to improve drivage efficiency and saving is shunt space.
Compared with prior art, soft floor Floor Heave in Roadway being prevented present invention employs one kind and track can be made flat The mining sleeper of whole laying, in the case where tunnel bottom and two sides spread a laminate, rubber pad is softened with preventing concrete railway board from meeting water, Under mounting rail then cushion blocking installs retaining rail to guarantee mine car energy even running on cushion blocking on concrete railway board And be fixed by rail fastening, it is installed in parallel in tunnel two sides and is mounted on liquid on four support frames and every support frame Lifter is pressed, hydraulic pressure lifting device is interconnected and fixed with lifting rail by rail connecting rod, and eventually forming one can longitudinally shunt The system structure that can prevent soft floor Floor Heave in Roadway again effectively controls the pucking phenomenon in soft floor tunnel, digs for tunnel Possibility is provided into transit link parallel operations in the process to compare with traditional two-orbit arrangement, greatly reduces tunnel pick Input and track laying length reduce a certain amount of investment for enterprise, can be promoted the use of on a large scale.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention will be made below further detailed Explanation, it should be understood that described herein specific examples are only used to explain the present invention, is not intended to limit the present invention.
Embodiment:
The present embodiment provides a kind of tunnelling longitudinal direction shunting method based on soft floor, the specific steps are as follows:
Step 1: after tunnelling, the rubber pad in the case where roadway floor and tunnel two sides are laid with plate, when laying rubber pad Pour with concrete the concrete layer i.e. concrete railway board of 200mm thickness afterwards, and the width of concrete railway board is 3.60m, pouring requirement be cement mortar mix ratio is cement: sand=1:2.5, accelerator ratio for cement consumption 3~ 4%;
Step 2: installing cushion blocking under one layer of rail on concrete railway board, cushion blocking with a thickness of 10mm, energy under rail Effectively reach vibration damping purpose, the purpose is to guarantee the smooth laying of trapped orbit and the stability of transport mine car;
Step 3: rail is placed on cushion blocking and cushion blocking and rail are fixed by rail fastening, is used The benefit of rail fastening be it is easy for installation, while easy to disassemble, substantially increase installation effectiveness, used model 43kg/m And length is the rail of 25m, and the gauge of two interorbitals is 0.6m, the connection of rail and cushion blocking is carried out by rail fastening It is connected and fixed, facilitates installation and removal;
Step 4: being supported the installation of frame, installs 2 support frames and branch respectively at from each 15cm in retaining rail two sides Support height is 3.3m, and moving towards the distance between two support frames along tunnel is 12.5m, is mounted on every support frame hydraulic Lifter, while installation lifter switch and four support frames are carried out hingedly supporting knot with guarantee respectively with crossbeam on the support frame The stability of structure;
Step 5: after support construction is installed, start the installation for carrying out lifting rail, lifting rail is installed on retaining rail On and be connected with hydraulic pressure lifting device by rail connecting rod, lifting rail is fixed with latch in the inner and outer ends of lifting rail, is mentioned The connection of rail lift and hydraulic pressure lifting device is attached in this way, the steel for the use of model 38kg/m and length being 12.5m Rail, and lifting rail both ends are all made of beveled tip, convenient for shifting empty wagons on lifting rail onto, and the gauge of two interorbitals is 0.6m, Lifting rail is installed on retaining rail and is connected by rail connecting rod with hydraulic pressure lifting device, and wherein the diameter of rail connecting rod is 50mm is fixed in the inner and outer ends of lifting rail with latch with guaranteeing that connecting rod has enough shearing strengths;
Step 6: after whole system structure is installed, realize that the principle of parallel operations is when the weight for filling rock slag Vehicle transport outward with empty wagons meet when, empties is shifted on lifting rail and open hydraulic pressure lifting device will empty wagons promoted 1.3m after It is fixed, it the use of interior is particularly 820mm along width, outer width is 900mm, interior along a length of 1500mm, a height of 1200mm, and gauge is The 6 type bucket-tipping car of MGC1.1-of 600mm.Then loaded vehicle is subjected to transport from retaining rail toward well head to reach longitudinal tune The purpose of vehicle, to realize the parallel operations of tunnelling, the drivage efficiency and saving for improving tunnel are shunt space;
Entire car transferring system structure setting is at 30 meters of driving face, and pushing ahead with development end, and Shi Yidong car transferring system structure, to guarantee the uninterrupted transhipment of rock slag, to improve drivage efficiency and saving is shunt space.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.

Claims (8)

1. a kind of tunnelling longitudinal direction shunting method based on soft floor, which is characterized in that specific step is as follows:
Step 1: after tunnelling, the laying of rubber pad in the case where roadway floor and tunnel two sides carry out plate, when laying rubber pad Concreting concrete railway board is used afterwards;
Step 2: cushion blocking under one layer of rail is installed on concrete railway board;
Step 3: rail is placed on cushion blocking and cushion blocking and rail are fixed by rail fastening
Step 4: being supported the installation of frame, is installing support frame respectively from retaining rail both ends specified distance, installs 4 altogether It is mounted on hydraulic pressure lifting device on support frame and every support frame, while lifter switch and four support frames being installed on the support frame The hingedly stability to guarantee support construction is carried out with crossbeam respectively;
Step 5: after support construction is installed, start the installation for carrying out lifting rail, lifting rail is installed on retaining rail simultaneously Be connected by rail connecting rod with hydraulic pressure lifting device, fixed lifting rail with latch in the inner and outer ends of lifting rail, lifting rail with The connection of hydraulic pressure lifting device is attached in this way;
Step 6: after whole system structure is installed, realize that the principle of parallel operations is when the loaded vehicle for filling rock slag is past When outer transport is met with empty wagons, empty wagons is shifted on lifting rail and opens hydraulic pressure lifting device and fixes empty wagons promotion certain altitude, Then loaded vehicle transport achieving the purpose that longitudinally to shunt from retaining rail toward well head.
2. a kind of tunnelling longitudinal direction shunting method based on soft floor according to claim 1, it is characterised in that: step In one, the rubber pad in the case where roadway floor and tunnel two sides are laid with plate is carried out pouring 200mm with concrete after laying rubber pad Thick concrete layer, that is, concrete railway board, and the width of concrete railway board is 3.60m, pouring requirement is that cement mortar cooperates Than for cement: sand=1:2.5, accelerator ratio are the 3~4% of cement consumption.
3. a kind of tunnelling longitudinal direction shunting method based on soft floor according to claim 1, it is characterised in that: step In two, cushion blocking with a thickness of 10mm under rail.
4. a kind of tunnelling longitudinal direction shunting method based on soft floor according to claim 1, it is characterised in that: step In three, using model 43kg/m and length is the rail of 25m, and the gauge of two interorbitals is 0.6m, rail and cushion blocking Connection is attached fixation by rail fastening.
5. a kind of tunnelling longitudinal direction shunting method based on soft floor according to claim 1, it is characterised in that: step In four, at from each 15cm in retaining rail two sides 2 support frames is installed respectively and support frame height is 3.3m, move towards two along tunnel Distance between support is 12.5m, is mounted on hydraulic pressure lifting device on every support frame, while installing lifter switch on the support frame And four support frames carry out the hingedly stability to guarantee support construction with crossbeam respectively.
6. a kind of tunnelling longitudinal direction shunting method based on soft floor according to claim 1, it is characterised in that: step In five, the rail for the use of model 38kg/m and length being 12.5m, and lifting rail both ends are all made of beveled tip, two interorbitals Gauge be 0.6m, lifting rail is installed on retaining rail and is connected by rail connecting rod with hydraulic pressure lifting device, wherein rail The diameter of connecting rod is 50mm, and is fixed in the inner and outer ends of lifting rail with latch.
7. a kind of tunnelling longitudinal direction shunting method based on soft floor according to claim 1, it is characterised in that: step In six, when the loaded vehicle for filling rock slag transports outward to meet with empty wagons, empties is shifted on lifting rail and opens hydraulic lifting Device empty wagons is promoted it is fixed after 1.3m, using it is interior along width be 820mm, outer width is 900mm, interior along a length of 1500mm, a height of 1200mm, gauge be 600mm 6 type bucket-tipping car of MGC1.1-, then by loaded vehicle from retaining rail toward well head transport from And achieve the purpose that longitudinally to shunt.
8. a kind of tunnelling longitudinal direction shunting method based on soft floor according to claim 1, it is characterised in that: entire Car transferring system structure setting is at 30 meters of driving face, and pushing ahead with development end, and mobile shunt is in time System.
CN201810653906.1A 2018-06-22 2018-06-22 A kind of tunnelling longitudinal direction shunting method based on soft floor Pending CN109252866A (en)

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Application Number Priority Date Filing Date Title
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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19517812C1 (en) * 1995-05-17 1996-11-07 Tmg Tremmersdorfer Maschinenba Rail-bound container handling plant esp. for refuse incineration plane
CN1719001A (en) * 2005-05-03 2006-01-11 山东科技大学 Stereo operation fast fragments discharging method in mine drifting
CN201137022Y (en) * 2007-12-21 2008-10-22 中铁二局股份有限公司 Fragment-free rail long steel rail track laying traction machine
CN202013230U (en) * 2011-02-14 2011-10-19 杭州钱江称重技术有限公司 Railpad type pitless uninterrupted rail weighbridge
CN202016482U (en) * 2010-12-22 2011-10-26 四川省华蓥山煤业股份有限公司李子垭南煤矿 Side shifting type shunting device
CN202557554U (en) * 2012-05-16 2012-11-28 淮北惠临工贸有限责任公司 Shunting device
CN103332081A (en) * 2013-06-19 2013-10-02 中国人民解放军军事交通学院 Highway-railway dual-purpose motor tractor
CN105603833A (en) * 2016-01-11 2016-05-25 北京城建设计发展集团股份有限公司 Integrated filling type prefabricated slab damping track structure
CN106004899A (en) * 2016-06-28 2016-10-12 北京诚田恒业煤矿设备有限公司 Mine car capable of being automatically moved out of rail and method

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19517812C1 (en) * 1995-05-17 1996-11-07 Tmg Tremmersdorfer Maschinenba Rail-bound container handling plant esp. for refuse incineration plane
CN1719001A (en) * 2005-05-03 2006-01-11 山东科技大学 Stereo operation fast fragments discharging method in mine drifting
CN201137022Y (en) * 2007-12-21 2008-10-22 中铁二局股份有限公司 Fragment-free rail long steel rail track laying traction machine
CN202016482U (en) * 2010-12-22 2011-10-26 四川省华蓥山煤业股份有限公司李子垭南煤矿 Side shifting type shunting device
CN202013230U (en) * 2011-02-14 2011-10-19 杭州钱江称重技术有限公司 Railpad type pitless uninterrupted rail weighbridge
CN202557554U (en) * 2012-05-16 2012-11-28 淮北惠临工贸有限责任公司 Shunting device
CN103332081A (en) * 2013-06-19 2013-10-02 中国人民解放军军事交通学院 Highway-railway dual-purpose motor tractor
CN105603833A (en) * 2016-01-11 2016-05-25 北京城建设计发展集团股份有限公司 Integrated filling type prefabricated slab damping track structure
CN106004899A (en) * 2016-06-28 2016-10-12 北京诚田恒业煤矿设备有限公司 Mine car capable of being automatically moved out of rail and method

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Application publication date: 20190122