CN108035730A - A kind of long range coal mine roadway push pipe driving method - Google Patents

A kind of long range coal mine roadway push pipe driving method Download PDF

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Publication number
CN108035730A
CN108035730A CN201711102404.1A CN201711102404A CN108035730A CN 108035730 A CN108035730 A CN 108035730A CN 201711102404 A CN201711102404 A CN 201711102404A CN 108035730 A CN108035730 A CN 108035730A
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CN
China
Prior art keywords
pipe
push
driving
jacking
push pipe
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CN201711102404.1A
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Chinese (zh)
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CN108035730B (en
Inventor
祝钊
王雷
王冠雄
张黎
朱玉芹
朱明亮
李佳彬
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煤科集团沈阳研究院有限公司
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Publication of CN108035730A publication Critical patent/CN108035730A/en
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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
    • E21D9/10Making by using boring or cutting machines
    • 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
    • E21D9/10Making by using boring or cutting machines
    • E21D9/1006Making by using boring or cutting machines with rotary cutting tools
    • 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
    • E21D9/12Devices for removing or hauling away excavated material or spoil; Working or loading platforms

Abstract

A kind of long range coal mine roadway push pipe driving method, using jacking construction principle, to ensure push pipe long distance driving and internal can dismantling, transport, using following means:Using finite element analysis and theoretical calculation method, the rock for treating construction stratum is sampled, and calculates top power needed for construction, design Zhu Ding mechanisms, and relay well is arranged, is coordinated reducing friction through injecting slurry technology, is realized that single long-distance pipe jacking tunnels;Modularized design is used to mining push-bench internal unit, each cutter of push-bench can complete tool changing in inside, transmission system completes assembly and disassembly in inside, after push-bench driving arrives at, push pipe rounding machine cutter, internal drive system, internal deslagging pump, hydraulic power unit and relay well oil cylinder and existing equipment shell are departed from, these components are taken out of inside interior tube body, are used for next engineering.Advantages of the present invention:Solve the problems such as existing coal mine roadway long-distance pipe jacking tunneling construction success rate is low, speed of application is slow, head can not recycle.

Description

A kind of long range coal mine roadway push pipe driving method

Technical field

The present invention relates to colliery industry underworkings to tunnel field, more particularly to a kind of long range coal mine roadway push pipe pick Into method.

Background technology

At present, the driving method of colliery small section tunnel mainly has two kinds:First, artificial big gun pick, two, fully-mechanized digging machine, this Two kinds of driving methods have the limitation of itself.

One, big gun pick are the driving methods that catalase is got off using the mode of perforating explosion.Small section tunnel tunnels Technology still with artificial big gun pick based on, big gun pick strong applicability, early period need equipment it is few, but be subject to explosive property, blasting technique, The limitation of the conditions such as construction means, construction speed are constantly within certain limit, in particular for section is small, formation hardness High tunnel, the pick of artificial big gun easily occur that security is low, perforating speed is slow, blasting efficiency is low, labor intensity is big, goes out cash difficulty etc. asks Topic.

Secondly, fully-mechanized digging machine be also used for the tunneling construction of coal mine roadway, but fully-mechanized digging machine needs the weight balancing by itself The cutting force of work surface, so machine weight is heavier, volume is larger, and the limitation such as be not easy to go into the well, and is not particularly suited for driving and is less than 10 Square metre section, when especially tunneling the harder rock gangway of rock, fully-mechanized digging machine efficiency is low, pick abrasion is severe, economic effect Benefit is low.

The content of the invention

The purpose of the invention is to overcome the above problem, a kind of long range coal mine roadway push pipe driving side has been provided Method.

The present invention provides a kind of long range coal mine roadway push pipe driving method, it is characterised in that:The long range coal Ore deposit tunnel push pipe driving method, using jacking construction principle, for guarantee push pipe long distance driving and internal can be dismantled, transport, Using following means:

Using finite element analysis and theoretical calculation method, the rock for treating construction stratum is sampled, calculates needed for construction Push up power, design Zhu Ding mechanisms, and to relay well reasonable Arrangement, coordinate good reducing friction through injecting slurry technology, can realize single length away from Tunneled from push pipe.

Modularized design is used to mining push-bench internal unit, each cutter of push-bench can complete tool changing in inside, pass Dynamic system completes assembly and disassembly in inside, after push-bench driving arrives at, by push pipe rounding machine cutter, internal drive system, Internal deslagging pump, hydraulic power unit and relay well oil cylinder and existing equipment shell depart from, and will be taken out of inside these component interior tube bodies, use Use, device housings are stayed in existing tunnel, as support material in next engineering.

Long range coal mine roadway push pipe driving method needs advance construction working chamber, and work chamber size is 10m*8m* 6m, the construction chamber mainly arrange main jacking device, are the command modules of pipe jacking tunnelling machine.Auxiliary of the push-bench needed for remaining Equipment, is arranged in the adit for having tunneled completion, and need to need first to dig out sedimentation basin and mud pit in adit, together When, belt is connected at separator for mud and water, by work chamber, the winch that a load-carrying is 15 tons is set, it is each for drawing Equipment is to destination, and work chamber figure is as shown in Figure 1.

With, it is necessary to which the random crown enters tool pipe, relay well, deslagging pump line and jacking pipe joints, having behind head jacking tunnel Body is as shown in Figure 2.These tube couplings are all connected using socket joint, before the preceding seam allowance of later section tube coupling is inserted into after tube coupling in seam allowance, It is sealed by sealing ring.Due to long distance driving, the multiple tool changing of mining push pipe digging device needs, and cutter quality Heavier, the difficulty that tool changing personnel are moved to from hole inside head is larger, therefore, 2 tool pipes is closely followed in rear part of head, in work Have arrangement reserve tools, maintenance tool, lubricating utensil and refrigeration plant inside pipe.

Long-distance pipe jacking driving is more demanding to the gross thrust of push pipe, if only increasing main jacking force, can exceed tube coupling The limit of rupture, so hypodynamic problem is pushed up over long distances in order to make up, the suitable position increase relay well device between tube coupling, And how to control relay well rational position be mining jacking construction key factor, traditional jacking construction mode is basis Construction experience, relay well at one is placed every 50 meters~100 meters, but this modes of emplacement have ignored formation condition difference to top The influence of pipe resistance, causes the waste of relay well top power.This method uses intelligent control technology, to each segment top power of push pipe Measure and analyze, relay well is placed in rational position so that give full play to the top power of each relay well, and save The jacking time.

Colliery push pipe driving generally uses mud and water balance mode, with the extension of jacking distance, deslagging pump and intake pump meeting There is the problems such as energy is insufficient, this method arranges relaying deslagging pump and relaying intake pump inside tool pipe, due to tool pipe Interior space is more nervous, using wall thickness relatively thin steel pipe arrangement relaying deslagging pump and relaying intake pump, enables in tool pipe Leave more working spaces in inside so that operating personnel operate more convenient inside tool pipe.

Slip casting drag reduction is the important step for reducing resistance on the way, and this method uses slip casting intelligent control module, in each note Slurry point is assembled with electric-controlled ball valve, and is mounted with that pressure passes round for a look device on tube wall, and control unit measures each pressure sensor Data handled, draw out the outer grouting pressure cloud atlas of tube wall, and the place control electrical ball valve of slurries shortcoming is mended in time Slurry so that the mud sleeve of overall tube coupling is complete, at utmost reduces the resistance on the way of long range jacking.

Push pipe tunneling construction mining over long distances is generally blind hole operation, and colliery can not construct in destination and receive tunnel, pass The jacking pipe construction process of system cannot take out driving head, and this method develops a kind of head equipped with the expanding structure of shell, specially Door is used for such a unconventional purposes, and the shell and inner shell of head equipment are bolted, handpiece case and pore-forming tunnel Outside diameter it is identical, after the Excavation Length for reaching requirement, the bolt that handpiece case is connected with inner shell is turned on, then by head Starting well is entirely towed back to inner shell, but shell is still remained in tunnel, and as support material, this method can be fine Ground, which solves blind hole tunnel, can not recycle the problem of head, farthest improve work efficiency.

Advantages of the present invention:

Long range coal mine roadway push pipe driving method of the present invention, for colliery Chamber Construction, relay well arrangement, note Slurry antifriction and head recycling etc. propose new method, solve existing coal mine roadway long-distance pipe jacking tunneling construction success rate it is low, The problems such as speed of application is slow, head can not recycle.

Brief description of the drawings

Below in conjunction with the accompanying drawings and embodiment the present invention is described in further detail:

Fig. 1 is mining jacking construction flow chart;

Fig. 2 is the head schematic diagram with expanding structure;

Fig. 3 is with the tube coupling schematic diagram for surveying grouting pressure hole and injected hole.

Embodiment

Embodiment 1

The present invention provides a kind of long range coal mine roadway push pipe driving method, it is characterised in that:The long range coal Ore deposit tunnel push pipe driving method, using jacking construction principle, for guarantee push pipe long distance driving and internal can be dismantled, transport, Using following means:

Using finite element analysis and theoretical calculation method, the rock for treating construction stratum is sampled, calculates needed for construction Push up power, design Zhu Ding mechanisms, and to relay well reasonable Arrangement, coordinate good reducing friction through injecting slurry technology, can realize single length away from Tunneled from push pipe.

Modularized design is used to mining push-bench internal unit, each cutter of push-bench can complete tool changing in inside, pass Dynamic system completes assembly and disassembly in inside, after push-bench driving arrives at, by push pipe rounding machine cutter, internal drive system, Internal deslagging pump, hydraulic power unit and relay well oil cylinder and existing equipment shell depart from, and will be taken out of inside these component interior tube bodies, use Use, device housings are stayed in existing tunnel, as support material in next engineering.

Long range coal mine roadway push pipe driving method needs advance construction working chamber, and work chamber size is 10m*8m* 6m, the construction chamber mainly arrange main jacking device, are the command modules of pipe jacking tunnelling machine.Auxiliary of the push-bench needed for remaining Equipment, is arranged in the adit for having tunneled completion, and need to need first to dig out sedimentation basin and mud pit in adit, together When, belt is connected at separator for mud and water, by work chamber, the winch that a load-carrying is 15 tons is set, it is each for drawing Equipment is to destination, and work chamber figure is as shown in Figure 1.

With, it is necessary to which the random crown enters tool pipe, relay well, deslagging pump line and jacking pipe joints, having behind head jacking tunnel Body is as shown in Figure 2.These tube couplings are all connected using socket joint, before the preceding seam allowance of later section tube coupling is inserted into after tube coupling in seam allowance, It is sealed by sealing ring.Due to long distance driving, the multiple tool changing of mining push pipe digging device needs, and cutter quality Heavier, the difficulty that tool changing personnel are moved to from hole inside head is larger, therefore, 2 tool pipes is closely followed in rear part of head, in work Have arrangement reserve tools, maintenance tool, lubricating utensil and refrigeration plant inside pipe.

Long-distance pipe jacking driving is more demanding to the gross thrust of push pipe, if only increasing main jacking force, can exceed tube coupling The limit of rupture, so hypodynamic problem is pushed up over long distances in order to make up, the suitable position increase relay well device between tube coupling, And how to control relay well rational position be mining jacking construction key factor, traditional jacking construction mode is basis Construction experience, relay well at one is placed every 50 meters~100 meters, but this modes of emplacement have ignored formation condition difference to top The influence of pipe resistance, causes the waste of relay well top power.This method uses intelligent control technology, to each segment top power of push pipe Measure and analyze, relay well is placed in rational position so that give full play to the top power of each relay well, and save The jacking time.

Colliery push pipe driving generally uses mud and water balance mode, with the extension of jacking distance, deslagging pump and intake pump meeting There is the problems such as energy is insufficient, this method arranges relaying deslagging pump and relaying intake pump inside tool pipe, due to tool pipe Interior space is more nervous, using wall thickness relatively thin steel pipe arrangement relaying deslagging pump and relaying intake pump, enables in tool pipe Leave more working spaces in inside so that operating personnel operate more convenient inside tool pipe.

Slip casting drag reduction is the important step for reducing resistance on the way, and this method uses slip casting intelligent control module, in each note Slurry point is assembled with electric-controlled ball valve, and is mounted with that pressure passes round for a look device on tube wall, and control unit measures each pressure sensor Data handled, draw out the outer grouting pressure cloud atlas of tube wall, and the place control electrical ball valve of slurries shortcoming is mended in time Slurry so that the mud sleeve of overall tube coupling is complete, at utmost reduces the resistance on the way of long range jacking.

Push pipe tunneling construction mining over long distances is generally blind hole operation, and colliery can not construct in destination and receive tunnel, pass The jacking pipe construction process of system cannot take out driving head, and this method develops a kind of head equipped with the expanding structure of shell, specially Door is used for such a unconventional purposes, and the shell and inner shell of head equipment are bolted, handpiece case and pore-forming tunnel Outside diameter it is identical, after the Excavation Length for reaching requirement, the bolt that handpiece case is connected with inner shell is turned on, then by head Starting well is entirely towed back to inner shell, but shell is still remained in tunnel, and as support material, this method can be fine Ground, which solves blind hole tunnel, can not recycle the problem of head, farthest improve work efficiency.

This method applied to 1200 meters of length of in the draining crossdrift roadway construction of specific ore deposit, constructing, passes through this method The strategies such as slurry are intelligently mended in relay well arrangement, slip casting, and total jacking force control is fine, successfully completes 1200 meters of construction works, and pass through machine The detachable expanding structure of head, head is pulled out inside tube coupling, experimental result can reach design requirement, significantly improve work The work situation of people, improves the driving speed of small section tunnel.

Claims (4)

  1. A kind of 1. long range coal mine roadway push pipe driving method, it is characterised in that:The long range coal mine roadway push pipe driving Method, using jacking construction principle, to ensure push pipe long distance driving and internal can dismantling, transport, using following means:
    Using finite element analysis and theoretical calculation method, the rock for treating construction stratum is sampled, and calculates top power needed for construction, Zhu Ding mechanisms are designed, and relay well is arranged, coordinate reducing friction through injecting slurry technology, realize that single long-distance pipe jacking tunnels;
    Modularized design is used to mining push-bench internal unit, each cutter of push-bench can complete tool changing, power train in inside System completes assembly and disassembly in inside, after push-bench driving arrives at, by push pipe rounding machine cutter, internal drive system, inside Deslagging pump, hydraulic power unit and relay well oil cylinder and existing equipment shell depart from, these components are taken out of inside interior tube body, are used for Next engineering uses, and device housings is stayed in existing tunnel, as support material;
    Long range coal mine roadway push pipe driving method needs advance construction working chamber, and work chamber size is 10m*8m*6m, should Construction chamber mainly arranges main jacking device, is the command module of pipe jacking tunnelling machine;Ancillary equipment of the push-bench needed for remaining, It is arranged in the adit for having tunneled completion, and need to needs first to dig out sedimentation basin and mud pit in adit, meanwhile, will Belt is connected at separator for mud and water, by work chamber, sets a load-carrying to be arrived for 15 tons of winch for drawing each equipment Destination;
    With behind head jacking tunnel, it is necessary to which the random crown enters tool pipe, relay well, deslagging pump line and jacking pipe joints;These pipes Section is all connected using socket joint, it is carried out by sealing ring close in seam allowance after tube coupling before the preceding seam allowance of later section tube coupling is inserted into Envelope;Long distance driving, mining push pipe digging device need multiple tool changing, two tool pipes are closely followed in rear part of head, in tool pipe Inside arrangement reserve tools, maintenance tool, lubricating utensil and refrigeration plant.
  2. 2. long range coal mine roadway push pipe driving method described in accordance with the claim 1, it is characterised in that:The long range coal Ore deposit tunnel push pipe driving method uses intelligent control technology, and each segment top power of push pipe is measured and analyzed, and places relaying Between so that the top power of each relay well is given full play to, saves the jacking time;Relaying deslagging pump is arranged inside tool pipe with After intake pump, since space is more nervous in tool pipe, intake using the relatively thin steel pipe arrangement relaying deslagging pump of wall thickness and relaying Pump, enables to leave more working spaces inside tool pipe so that operating personnel operate more square inside tool pipe Just.
  3. 3. long range coal mine roadway push pipe driving method described in accordance with the claim 1, it is characterised in that:The long range coal Ore deposit tunnel push pipe driving method, slip casting drag reduction is the important step for reducing resistance on the way, using slip casting intelligent control module, every A slip casting point is assembled with electric-controlled ball valve, and is mounted with that on tube wall pressure passes round for a look device, and control unit is by each pressure sensor The data measured are handled, and draw out the outer grouting pressure cloud atlas of tube wall, and place control electrical ball valve to slurries shortcoming and When mend slurry so that the mud sleeve of overall tube coupling is complete, at utmost reduce long range jacking resistance on the way.
  4. 4. long range coal mine roadway push pipe driving method described in accordance with the claim 1, it is characterised in that:The long range coal Ore deposit tunnel push pipe driving method, push pipe tunneling construction mining over long distances are blind hole operation, and colliery can not construct in destination and receive Tunnel, traditional jacking pipe construction process cannot take out driving head, using the head equipped with the expanding structure of shell, dedicated for Such a unconventional purposes, the shell and inner shell of head equipment are bolted, handpiece case and the outside diameter in pore-forming tunnel It is identical, after the Excavation Length for reaching requirement, the bolt that handpiece case is connected with inner shell is turned on, then by head and inside Housing is entirely towed back to starting well, but shell is still remained in tunnel, as support material.
CN201711102404.1A 2017-11-10 2017-11-10 Long-distance coal mine roadway pipe jacking tunneling method CN108035730B (en)

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CN201711102404.1A CN108035730B (en) 2017-11-10 2017-11-10 Long-distance coal mine roadway pipe jacking tunneling method

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CN201711102404.1A CN108035730B (en) 2017-11-10 2017-11-10 Long-distance coal mine roadway pipe jacking tunneling method

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CN108035730A true CN108035730A (en) 2018-05-15
CN108035730B CN108035730B (en) 2020-04-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110486031A (en) * 2019-09-27 2019-11-22 大连理工大学 A kind of underground big cross section rescue channel push pipe fast construction method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2166091C1 (en) * 1999-12-30 2001-04-27 Общество с ограниченной ответственностью "Крот инжиниринг" Device for erection of underground structure from cast-in-situ pressed concrete
CN102032393A (en) * 2010-11-10 2011-04-27 博大建设有限公司 Small-bore long distance curved pipe jacking method
CN102505945B (en) * 2011-12-29 2014-07-30 上海市机械施工集团有限公司 Construction method for enabling rectangular pipe jacking machine to enter into tunnel in existing building
CN105512411A (en) * 2015-12-15 2016-04-20 苏交科集团股份有限公司 Calculation method of jacking-pipe jacking force based on surrounding rock deformation space-time effect
CN105927791A (en) * 2016-07-13 2016-09-07 安阳青龙管业有限责任公司 Jacking-construction-method prestress steel cylinder concrete pipe intermediate relaying jacking pipe
CN106437737A (en) * 2016-08-19 2017-02-22 煤科集团沈阳研究院有限公司 Pipe jacking type coal mine small section roadway tunneling method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2166091C1 (en) * 1999-12-30 2001-04-27 Общество с ограниченной ответственностью "Крот инжиниринг" Device for erection of underground structure from cast-in-situ pressed concrete
CN102032393A (en) * 2010-11-10 2011-04-27 博大建设有限公司 Small-bore long distance curved pipe jacking method
CN102505945B (en) * 2011-12-29 2014-07-30 上海市机械施工集团有限公司 Construction method for enabling rectangular pipe jacking machine to enter into tunnel in existing building
CN105512411A (en) * 2015-12-15 2016-04-20 苏交科集团股份有限公司 Calculation method of jacking-pipe jacking force based on surrounding rock deformation space-time effect
CN105927791A (en) * 2016-07-13 2016-09-07 安阳青龙管业有限责任公司 Jacking-construction-method prestress steel cylinder concrete pipe intermediate relaying jacking pipe
CN106437737A (en) * 2016-08-19 2017-02-22 煤科集团沈阳研究院有限公司 Pipe jacking type coal mine small section roadway tunneling method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110486031A (en) * 2019-09-27 2019-11-22 大连理工大学 A kind of underground big cross section rescue channel push pipe fast construction method
CN110486031B (en) * 2019-09-27 2020-09-29 大连理工大学 Rapid construction method for underground large-section rescue channel jacking pipe

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