CN206487483U - A kind of mining tunneling boring hard rock mole - Google Patents
A kind of mining tunneling boring hard rock mole Download PDFInfo
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- CN206487483U CN206487483U CN201720165287.2U CN201720165287U CN206487483U CN 206487483 U CN206487483 U CN 206487483U CN 201720165287 U CN201720165287 U CN 201720165287U CN 206487483 U CN206487483 U CN 206487483U
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Abstract
The utility model discloses a kind of mining tunneling boring hard rock mole, including driving machine host, the driving machine host includes driving cutterhead, shield body and actuator, beam body, stretching propulsive mechanism, rear support mechanism, the rear supporting component being sequentially connected；The stretching propulsive mechanism includes propelling cylinder and support boots, and the support boots are horizontally arranged along driving machine host；The beam body includes girder, annular girder, excessive beam and the skid beam being sequentially connected, and one end connection beam body of the propelling cylinder, other end driving support boots, the support boots are set in skid beam, supporting component after the rear support mechanism is connected by dilatory oil cylinder.The utility model realizes high mechanization, automation, informationization, realize the historical breakthrough of traditional stone drifting technology and equipment, solid foundation is established for the rock gangway bottleneck problem that solves colliery development, to ensuring that mine is normally taken over, realizes that high-yield and high-efficiency construction object is significant.
Description
Technical field
The utility model is related to a kind of hard rock mole for colliery digging, more particularly to a kind of mining complete disconnected
Face hard rock mole.
Background technology
Colliery excavation replacement contradiction is always that mine is difficult to one of principal contradiction for effectively solving.For mining area rock gangway drilling depth
Total amount is big (if average annual amount is 16 myriametres or so), gas control tunnel accounting height (such as average annual 6~7 myriametre, accounting 40%).
The basic functional principle of shield machine is that circular beater plate above rotates and pushed ahead under the promotion of jack,
The steel component (i.e. shield) of cylinder plays temporary support to the tunnel of excavation, and the operation such as excavation, casting, lining cutting is in shield
Shielding is lower to be carried out；Soil, rock and gravel that conveyer belt transport in shield body rear is dug down, advanced bury and are sent to storehouse by stage
Well head.The most of import of shield machine of country's hot work in progress at present.
At present, existing shield machine is primarily adapted for use in soil property geologic structure, for urban subway tunnel engineering construction.Colliery
Stone head generally carries out rock drilling, tunneling boring hard rock mole (Tunnel using air rock drill, hydraulic drill rig or development machine
Boring Machine, abbreviation TBM), TBM basic functional principle is to rotate and promote cutterhead, passes through disk cutter kata-rocks
Stone makes tunnel tunneling boring one-shot forming.The main distinction of it and shield machine is that do not possess muddy water pressure, soil pressure etc. to safeguard that face is steady
Fixed function.Traditional hard rock mole tool degree is low, working security and operating environment are poor, and average drill footage per month list enters only 75
Rice, restricts the safe and efficient production of mine, safely and fast high efficient driving is significant to colliery for development.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art to tunnel there is provided a kind of mining tunneling boring hard rock
Machine, meets the hard rock operating mode in colliery, realizes high efficient driving.
The utility model is achieved through the following technical solutions, a kind of mining tunneling boring hard rock driving of the present utility model
Machine, including driving machine host, the driving machine host include driving cutterhead, shield body and actuator, beam body, the stretching being sequentially connected
Propulsive mechanism, rear support mechanism, rear supporting component；The stretching propulsive mechanism includes propelling cylinder and support boots, the support boots edge
Tunnel the horizontally arranged of machine host；The beam body includes girder, annular girder, excessive beam and the skid beam being sequentially connected, described
One end connection beam body of propelling cylinder, other end driving support boots, the support boots are set in skid beam, and the rear support mechanism passes through
Supporting component after dilatory oil cylinder connection.
The development machine also includes transportation system, and the transportation system is located at after rear supporting component, the transportation system
Including the monorail crane mechanism, belt haul mechanism and walkway being arranged in tunnel, the monorail crane mechanism is arranged on tunnel
Top, belt haul mechanism and walkway be respectively arranged at the bottom in tunnel, the monorail crane mechanism include firm banking,
Connect anchor chain, connection ring and track；The firm banking is fixed on the top in shield machine tunnel, and one end of the connection anchor chain connects
It is connected on firm banking, the other end is connected in connection ring, the top of the track is connected with connection ring.
Hung at the top of circular tunnel and set monorail crane mechanism, disclosure satisfy that mining TBM's plays fortune needs, while not accounting for bottom
Space, realizes that advantage is more prominent in long-distance transportation to the rational deployment in tunnel, solve when mining TBM constructs due to
Lane space is limited, it is impossible to the problem of carrying out material transportation using track, and tunnel ground rail is avoided during equipment Removal
The recharge problem of transport electric locomotive, also eliminates the parking lot that electric locomotive laying is aimed in the track transport of tunnel,
In the assembling and disassembling of shield machine and the assembling and disassembling of belt feeder, the lifting problem of repetition loading-unloading vehicle is solved, single track can be used
Hang and directly lifted by crane.Technical support is provided for vertical exploiting colliery application shield machine speedy drivage.
The walkway includes multigroup bracket and multiple pedals, and multigroup bracket be arranged in parallel successively, every group of bracket
Including cross-brace frame and vertical supporting frame, being set along the transverse direction of tunnel cross section for the cross-brace frame is described laterally to prop up
The head end of support rides upon the side wall in tunnel, and end is vertical with vertical supporting frame to be connected, and the pedal is laid on described adjacent two
Between two cross-brace framves of group bracket.
The deployment scenarios of facility in tunnel are considered, while need to be transported in view of tunnel upper space as monorail crane material
Defeated space, it is impossible to take, it is final to determine that walkway be arranged in tunnel bottom side.It disclosure satisfy that in " O " type section
Smoothly walked in tunnel, while not accounting for material transportation space, rational deployment.
The development machine also includes dust pelletizing system, and the dust pelletizing system includes airborne air-suction duct, airborne exhaust pipeline, machine
Carry air-supply pipeline, dedusting fan, air feed blower fan, air feed air duct, louver；Master of the airborne air-suction duct along mining TBM
Machine length direction is set, and the dedusting fan is set on mining TBM main frame, the dedusting fan front end and airborne air-suction duct
It is connected, rear end is connected with airborne exhaust duct, and the air feed blower fan is connected with air feed air duct, the air feed air duct is provided with first
Air feed mouthful and the second air feed mouthful, the louver are respectively arranged on the first air feed mouthful and the second air feed mouthful, and described first supplies
Air port is located at after dedusting fan, the airborne air-supply pipeline of the second air feed mouthful connection, the outlet position of the airborne air-supply pipeline
It is less than or equal in mining TBM working face at 10m
The louver is selected from any of hand-rail type louver and binding-type louver, and the hand-rail type is adjusted
Wind apparatus includes regulation cylinder, multiple regulation blades and rotating handles, and the regulation blade is arranged at the horizontal stroke of the regulation cylinder
On section, the multiple regulation blade is sequentially connected in series by rotating handles, and the end of the rotating handles is arranged at regulation cylinder
On；The binding-type louver includes regulation air duct and three-way pipeline, and the three-way pipeline is arranged on regulation air duct.
Dust pelletizing system disclosure satisfy that working face return, F2 dust detection probes value are 1.5-2mg/m3.Effectively improve
The operating environment of staff, strong ensure is provided for mine safety sustainable development.
The development machine also includes water circulation system, and the water circulation system includes external water source, interior circulation feed pipe, interior
Circulation waterway, interior circulation outlet pipe；The external water source connects the import of interior circulation feed pipe, and the interior circulation feed pipe goes out
The import in mouth connection interior circulation water route, the outlet connection interior circulation outlet pipe in the interior circulation water route, the interior circulation outlet pipe
Outlet be connected to each mining TBM external equipment and use water inlet.
The internal circulation water pump has two, respectively the first internal circulation water pump and the second internal circulation water pump, the mining TBM
Internal unit have two groups, respectively first group mining TBM internal unit and second group of mining TBM internal unit；It is described
The import of interior circulation water tank connects the outlet of interior circulation feed pipe, and the outlet of the interior circulation water tank connects the first interior circulation respectively
The import of water pump and the second internal circulation water pump, first group of mining TBM of outlet connection of first internal circulation water pump inside is set
Standby use water inlet, the use water inlet of second group of mining TBM of outlet connection of second internal circulation water pump internal unit, institute
That states first group of mining TBM internal unit and second group of mining TBM internal unit is connected respectively to interior circulation with water out
The import of outlet pipe.
Outer circulation water system is eliminated, boiler, cold water storage cistern and corresponding water pump are eliminated, while eliminating heat exchange
Device, reduces the installation workload of water return pipeline all the way in addition, reduces the workload that equipment is installed and safeguarded, eliminates simultaneously
Pump personnel and part pipeline extension line project are seen, and improved water circulation system cooling-down effect is substantially improved, and can be met and be set
Standby water and cooling are required, are improved equipment operation rate, are that mining TBM is rapidly and efficiently tunneled there is provided powerful guarantee.
The development machine also includes support system, and the support system includes support frame and is respectively arranged at mining TBM's
Supporting platform, elevating mechanism and support post on annular girder；The side that the supporting platform is arranged at annular girder is formed for standing
Vertical space, one end of the elevating mechanism is hinged on annular girder, and the other end is hinged on support post, the support post
One end be hinged on annular girder, the other end is hinged on support frame, and the support post and elevating mechanism constitute crank connecting link
Mechanism is used to drive support frame to move up and down.
Support frame as described above includes multiple support bars and connecting rod, and the connecting rod is arc, and the support post, which drives, to be connected
Extension bar is moved up and down, and the multiple support bar is fixed in connecting rod along the arcuate directions of connecting rod successively.
When the utility model solves mining TBM supportings, erect-position, gib and the mesh sheet of personnel lift problem, not only
Can be to the temporary support of back, while can be used for lifting mesh sheet, and use hydraulic control, it is comprehensive relative to traditional
Laneway temporary support is dug, security is higher, and labor intensity of operating staff is low, process is simple, easy to operate, very real at the scene
With.
A kind of circulation driving method of mining tunneling boring hard rock mole, comprises the following steps：
(1) rock is smashed by tunneling cutterhead, rubble is conveyed backward, transported backward by continuous belt material conveyer；
(2) gib is carried out to tunnel, then anchor pole, permanent support tunnel is installed；
(3) driving strokes terminate, and driving cutterhead stops the rotation and retreats certain distance, prevent the next heavy duty of cutterhead from opening
It is dynamic；
(4) firm supporting is stretched out by rear support mechanism；
(5) support boots are withdrawn and the cycling distance that moves forward, and are then supportted boots and are stretched out and clamped with cave wall；
(6) rear support mechanism is withdrawn, and by the forward cycling distance of supporting component after dilatory oil cylinder drive, under
One cycle operation.
The utility model has advantages below compared with prior art：Mine full hard rock mole pick of the present utility model
Enter 700 meters of testing gallery, actual drilling depth number of days 52 days is average singly to enter 13.5 meters/day, 14.5 meters of the small per-shift drilling depth of highest, highest day
30.7 meters of drilling depth, synthesis singly enters 404 meters/month.Tunneling boring hard rock mole (TBM) driving singly enter, production efficiency can be than common
Big gun pick improves 5 to 10 times, greatly improves single gentle construction safety safeguard level of water inlet, realizes high mechanization, automation, information
Change, realize the historical breakthrough of traditional stone drifting technology and equipment, the rock gangway bottleneck problem developed to solve colliery is established
Solid foundation, to ensuring that mine is normally taken over, realizes that high-yield and high-efficiency construction object is significant.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the partial schematic diagram of part A in Fig. 1；
Fig. 3 is the partial schematic diagram of part B in Fig. 1；
Fig. 4 is the partial schematic diagram of C portion in Fig. 1；
Fig. 5 is the partial schematic diagram of louver；
Fig. 6 is the left view for adjusting blade；
Fig. 7 is the structural representation of support system；
Fig. 8 is Fig. 7 left view；
Fig. 9 is water circulation schematic diagram；
Figure 10 is the structural representation of transportation system；
Figure 11 is the structural representation of monorail crane mechanism；
Figure 12 is the structural representation in tunnel；
Figure 13 is the top view of walkway；
Figure 14 is the partial schematic diagram of bracket.
Embodiment
Embodiment of the present utility model is elaborated below, the present embodiment using technical solutions of the utility model before
Put and implemented, give detailed embodiment and specific operating process, but protection domain of the present utility model is not limited
In following embodiments.
As shown in figures 1-4, the mining TBM of the present embodiment includes driving machine host, and the driving machine host includes connecting successively
Driving cutterhead 11, shield body and actuator 12, beam body 13, stretching propulsive mechanism 14, rear support mechanism 15, the rear supporting component connect
16；The stretching propulsive mechanism 14 includes propelling cylinder 141 and support boots 142, level side of the support boots 142 along driving machine host
Set to vertical symmetry, one end connection beam body of the propelling cylinder 141, other end driving support boots 142, the rear support mechanism
15 pass through supporting component 16 after the dilatory connection of oil cylinder 17.Beam body 13 includes girder 131, annular girder 132, the excessive beam being sequentially connected
133 and skid beam 134.
Device length：50 meters of main frame total length (containing two fortune 73m length)；
Machine weight：350 tons；
Thrust：Maximum thrust：12000kN (1200 tons), normal thrust：8000kN (800 tons)；
Moment of torsion：Peak torque 2100kN.m, get rid of poverty moment of torsion 2500kN.m；
Cutterhead rotating speed：0~10.6rpm, speed is selected it is ensured that cutterhead thrust is in allowed band；
Fltting speed：Maximum fltting speed 100mm/min；
Complete machine installed power：2000kVA；
Conveying capacity：Belt speed 2.5m/s, freight volume is 350t/h.
Mode of operation：Visualization, keyboard-type operation；
Dust pelletizing system：High pressure internal spraying, dedusting fan, ventilation shaft, louver, dust-proof water curtain
Broken rock mode：Shield machine is the hobboing cutter extrusion shearing broken rock on rotary head；Traditional fully-mechanized digging machine is rotation big gun head
Pick extruding, fragmented rock body.
Shipment mode：Broken spoil is loaded and unloaded into the belt of itself by scraper.
Drift section：Shield machine tunneling boring is once into O-shaped；Traditional fully-mechanized digging machine cutting semicircle arch form and rectangle.
Work efficiency：2040 meters, it is averaged and singly enters 13.2 meters/day, 14.5 meters of the small per-shift drilling depth of highest, 30.7 meters of highest daily footage, most
High month list enters 560 meters/month, and synthesis singly enters 404 meters/month.The people of whole team's number 120, per capita single-action rate 3.31m/ people months；Big gun pick is comprehensive
75 meters/month are singly entered in conjunction, the people of whole team's number 75, per capita the single-action rate 1m/ people months.
The testing gallery that the present embodiment is selected, selection collection ore deposit 1413A suction roads.1413A suction roads design length 1600
Rice, early stage has been constructed 900 meters, and remaining 700 meters are tunneled using TBM.Tunnel is designed as circle, 4.53 meters of diameter.The lane is arranged in 1
Roof, away from 1 coal top plate 22~24m of length of normal, the principal lithologic of exposure is quartzy sandstone, middle sandstone, Extra-fine sand rock, rock power
Learn performance test f values and be more than 6, maximum reachable 12.The mining TBM of the present embodiment includes dust pelletizing system 2, transportation system 5, water circulation
System 4, support system 3.The specific structure of each system is as follows：
The dust pelletizing system 2 of the present embodiment includes airborne air-suction duct 21, airborne exhaust pipeline 26, dedusting fan 22, airborne
Air-supply pipeline 25, air feed blower fan (not shown), air feed air duct 23 and louver 24；
Main frame length direction of the airborne air-suction duct 21 along mining TBM is set, and the dedusting fan 22 sets mining
On TBM main frame, the front end of dedusting fan 22 is connected with airborne air-suction duct 21, and rear end is connected with airborne exhaust duct 26,
The air feed air duct 23 is provided with the air feed mouthful 232 of the first air feed mouthful 231 and second, and the louver 24 is separately positioned on first
On the air feed mouthful 232 of air feed mouthful 231 and second, first air feed mouthful 231 is located at after dedusting fan 22, second air feed mouthful
The 232 airborne air-supply pipelines 25 of connection, the outlet of the airborne air-supply pipeline 25 is less than or equal to positioned at mining TBM working face
At 10m.
Dedusting fan 22 is KCS500D Wet-type dust-removal fans, and it is 500m that it, which designs dedusting air quantity,3/ min, specified dust removal efficiency
92%, power of motor is 2 × 30kW.
The extension in consideration tunnel is needed, tunnel heat dissipation capacity, windage and air quantity will meet wind supply quantity no less than 850m3/min
Left and right.
Air feed blower fan includes the first blower fan and the second blower fan, and the specified wind supply quantity of the first blower fan is 300m3/ min, the first wind
Machine connects the first air feed mouthful 231, and second blower fan connects the second air feed mouthful 232, and the specified wind supply quantity of the second blower fan is
600m3/min。
First blower fan selects model：FBD-NO.6.3；Second blower fan selects model：FBD-NO.8.0.First air feed
The air quantity that mouth 231 is fed to working face are at least 145m3/ min, the airborne air-supply pipeline 25 is fed to the air quantity of working face not
More than 355m3/min.When dedusting fan 22 is shut down, the wind of the first air feed mouthful 231 can be divulged information with natural diffuseness, it can be ensured that distinguished and admirable
Flow to equipment rear (300m3/ min), when dedusting fan 22 is opened, a part is by air flow in laneway to working face air distribution, air feed
Amount is not less than 145m3/min；Remainder flows to rear, and air quantity is not less than 145m3/ min, wind supply quantity will ensure 300m3/min。
The head end of airborne air-suction duct 21 is located at mining TBM working face, the row of the end of the airborne exhaust duct 26
Air port is provided with net cover type deduster 211.Larger particle can effectively be filtered.
Three road dust-proof water curtains 212 are sequentially provided with the air draft of airborne exhaust duct 26.Realize further dedusting.
The dust-proof water curtain 212 includes distinguished and admirable screen pack 214 and pneumatic high-pressure fog first 213, the pneumatic high-voltage spray
Mist first 213 is arranged at the air outlet of distinguished and admirable screen pack 214.
As shown in Figure 5 and Figure 6, the louver 24 of the present embodiment be hand-rail type louver, including regulation cylinder 241,
Multiple regulation blades 242 and rotating handles 243, the regulation blade 242 are arranged on the cross section of the regulation cylinder 241,
The multiple regulation blade 242 is sequentially connected in series by rotating handles 243, and the end of the rotating handles 243 is arranged at adjustment barrel
On body 241.The regulation to air quantity is realized in folding by adjusting blade 242.
On the regulation cylinder 241 of the hand-rail type louver along air inlet to regulation blade 242 at leak informaton provided with multiple
Hole 244.By leaking informaton, fresh air is diffused into equipment by hole 244.
In other embodiment, binding-type louver, including regulation air duct and three-way pipeline, the three-way pipe can be selected
Road is arranged on regulation air duct.The binding-type louver can be by tightening and loosening the distinguished and admirable stream in fore shaft control piper
To.The specific course of work is as follows：
(1) during mining TBM work, cutterhead rotation fractured rock produces substantial amounts of dust, opens dedusting fan 22；
(2) louver 24 is adjusted, the regulation blade 242 on the first air feed mouthful 231 is closed, air feed blows to equipment, will
The upper regulation blade 242 of second air feed mouthful 232 is opened, and the air quantity for controlling airborne air-supply pipeline 25 is 355m3/ min, it is ensured that the
The wind of one air feed mouthful 231 to working face is not less than 145m3/ min, the first air feed mouthful 231 to the second air feeds mouthful, 232 air quantity are not less than
145m3/ min, the suction air volume of dedusting fan 22 is not less than the air feed of working face, and the waste air of working face is not to external diffusion, each section of wind
Flow velocity degree meets《Safety regulations in coal mine》；
(3) to ensure that the air quantity in air feed air port, no more than inlet scoop, prevents dust from being blowed to external diffusion by distinguished and admirable, therefore remove
Dust is pumped into equipment rear end by dirt blower fan 22 by airborne air-suction duct 21, realizes the long short operation taken out of pressure；
(4) when equipment is run (when cutterhead is cut), unnecessary air quantity is cooled using louver 24 to equipment；Equipment is stopped
When only tunneling, the wind of airborne air-supply pipeline is for less than working face (air outlet there are about 10 meters apart from working face), now natural diffuseness leads to
Wind, realizes cooling system.
Louver 24 plays key effect in distinguished and admirable regulation, is directly connected to the quality of dust removing effects, utilizes
It controls face air volume, promotes the wind direction in each section of tunnel and can meet the requirement of high efficiency dust improvement.
TBM is tunneled in colliery deep tunnel first, and supporting does not have similar experience, and supporting is by bolt interval at the beginning
800*800mm, reinforced mesh specification is 1700*900mm, often applies 7 anchor poles of work and is changed to bolt interval 1100*
1100mm, reinforced mesh specification is 2300*1200mm, often applies 5 anchor poles of work.
As shown in Figure 7 and Figure 8, the support frame 32 of the present embodiment is with being respectively arranged at supporting on mining TBM annular girder 132
Platform 31, elevating mechanism 33 and support post 34；The side that the supporting platform 31 is arranged at annular girder 1 is formed for standing
Space, one end of the elevating mechanism 33 is hinged on annular girder 132, and the other end is hinged on support post 34, the support
One end of column 34 is hinged on annular girder 132, and the other end is hinged on support frame 32, the support post 34 and elevating mechanism
33 composition toggles are used to drive support frame 32 to move up and down.
The elevating mechanism 33 of the present embodiment is hydraulic jack.Power of the present utility model is all-hydraulic control operation, machinery
Change degree is high, safe and reliable.The hydraulic power supply of hydraulic jack is connected on mining TBM by triple valve.Shared with mining TBM
One pumping plant, without separately adding power set.
Support frame as described above 32 includes 10 support bars 321 and 2 connecting rods 322, and the connecting rod 322 is arc, described
Support post 34 drives connecting rod 322 to move up and down, and the multiple support bar 321 is consolidated along the arcuate directions of connecting rod 322 successively
It is scheduled in connecting rod 322, the present embodiment can be selected and is welded and fixed.
The spacing for constructing operation is provided between adjacent supports bar 321, the spacing is 0.5m.Facilitate jumbolter
By and be easy to workmen pass through.
Entirely 4 meters of the diameter of support frame 32, long 4 meters, 3.5 meters of wide (chord length), 5 meters of arc length, and the present embodiment support bar 321 is
10 square-tube-shaped steel.It is easy to selection, it is cheap.
The top laying reinforced mesh of support frame 32.Before supporting operation, reinforced mesh is routed to the top of support frame 32, will
Support frame 32 rises to and after top plate contact, operating personnel can the safety work under the temporary support device.
The both sides of supporting platform 31 are provided with the staircase 311 being used for above and below personnel.Supporting platform 31 is grid type pedal.Not only
It is easily installed, changes, skidproof effect can also be strengthened
Supporting platform 31 is arranged on the both sides of annular girder 132, point sinistral platform and dextral platform two parts, unilateral wide 1 meter, long
4.5 meters, supporting platform 31 is mainly used in carrying operating personnel and supporting tool, while the interim of support material of meeting head on can be acted on
Storage space.The design and application of supporting platform 31 provide a safety, spacious working space for site operation personnel, thorough
Bottom solves the problems, such as mining TBM supporting constructions personnel's erect-position.
Mine full hard rock mole (TBM) is best suited for hard rock driving, and the harder globality of rock is more good more can play
Play equipment effectiveness.But the tunnel of experiment still runs into soft layering, total length reaches 260 meters, the development of soft rock sliding surface, side, rimrock
Stone drops on arc top and shoulder nest, influences driving progress.
For the country rock and top plate of abnormal belt, specific control method is as follows：
(1) breaking roof being exposed is subjected to advance support using advance anchor bolt, while carrying out point to local rock
Anchor pole is fixed, and carries out permanent support immediately when top plate possesses supporting condition, to shorten top plate open-assembly time, can be played good
Roof Control is acted on；
(2) driver's adjustment TBM development machine primary operating parameters, advance rate is reduced to less than half normally tunneled：Cutterhead
Rotating speed general control is at 3~4 revs/min, and cutter head torque is controlled in 300N.m, and propelling pressure is in 1500KN or so, to reduce knife
Disc vibration, so that the disturbance to country rock；
(3) spoil in front of shield is produced before not dropping using temporary support device, and easily dropped in spoil
Local equipment protection steel plate, reduces the injury to equipment during spoil drops；A hole is opened in TBM ring-like top of setting a roof beam in place
Mouthful, the spoil dropped is manually directly carried to be transported from hole by a fortune belt；
(4) the accumulation spoil man-handling of materials under girder is transported at belt feeders to two, and personnel's progress spoil is clear when belt feeder is run
Reason, it is ensured that device bottom promotes space.
(5) take the Enhanced support measure of complement anchor cable at the rock crusher of abnormal belt, anchor cable specification be Φ 22mm ×
6300mm, array pitch 1500mm × 1500mm, lift supporting intensity, reduce the deformation of country rock, it is ensured that the section in tunnel.
The advance support detailed process of the present embodiment is as follows：
Construction operation personnel station in supporting platform foremost, roof-bolter operating personnel under gib by jumbolter to
Diagonally forward is toppled over, and finds type anchor rod eye position, is carried out to exposing the rock mass outside finger-type shield in jewel hole, anchor pole angle Selection：One is
It is easy to construction, two be that anchor pole can be anchored into stabilizing surrounding rock.Rock-bolt length can be standing according to the degree of crushing of country rock
There are 2.0m, 2.5m, the depth of eye, then anchor rod are determined according to rock-bolt length, if country rock is relatively crushed, point bolt action is little
When, can in upper bolt on reinforced mesh composition string bag supporting, finally with roof-bolter by anchor pole break anchor fasten.
The permanent support detailed process of the present embodiment is as follows：
Construction operation personnel stand on supporting platform, by reinforced mesh (mesh sheet specification 1700 × 1000mm, φ 6.5mm steel
Muscle is welded, 100 × 100mm of grid) it is positioned on temporary support device, top plate is fixed on by temporary support device, and utilize
Bifilar 14# iron wires and original mesh sheet are together with the 200mm colligations, and roof-bolter operating personnel construct anchor pole under gib,
According to the depth of design square, find type anchor rod eye position Pneumatic anchor rod machine and beat square from being helped to two in the middle of tunnel, with assembling
Good anchor pole sends into resin explosive roll in square, and anchor rod stirring is driven 30 seconds with roof-bolter, fast (feeding bottom hole after stirring is first slow
Mixing time is not less than 10 seconds afterwards), nut is tightened untill pad is deformed with roof-bolter after 2 minutes, then beats other eyelets
Complete whole installations of roll bolt.All mounted anchor poles are carried out again with pneumatic impact wrench or manual wrench after 1 hour
Pretension and inspection.
As shown in figure 9, the water circulation system 4 of the present embodiment includes external water source 41, interior circulation feed pipe 42, interior circulation water
The external equipment 45 on road 43, interior circulation outlet pipe 44 and multiple mining TBM；The connection interior circulation of external water source 41 feed pipe 42
Import, the import in the outlet connection interior circulation water route 43 of the interior circulation feed pipe 42, the outlet in the interior circulation water route 43
Interior circulation outlet pipe 44 is connected, the outlet of the interior circulation outlet pipe 44 is connected to the use of each mining TBM external equipment 45
Water inlet.External water source 41 is managed provided with road, and the road pipe is provided with gate valve 46, and the outlet of the road pipe is directly connected to each ore deposit
Water inlet is used with TBM external equipment 45.When equipment downtime carries out the heat hydraulic pressure that supporting or interior circulation water route 43 are pumped out
The directly water supply of external water source 41 is realized when can not meet the system water requirements such as cutterhead spraying.
The interior circulation water route 43 of the present embodiment includes interior circulation water tank 431, the first internal circulation water pump 432, the second interior circulation
The internal unit 435 of water pump 433, first group of mining TBM internal unit 434 and second group of mining TBM, the interior circulation water tank
The outlet of 431 import connection interior circulation feed pipe 42, the outlet of the interior circulation water tank 431 connects the first interior circulation water respectively
The import of the internal circulation water pump 433 of pump 432 and second, first group of mining TBM's of outlet connection of first internal circulation water pump 432
The use water inlet of internal unit 434, second group of mining TBM of outlet connection of second internal circulation water pump 433 internal unit
The use of 435 use water inlet, the internal unit 434 of first group of mining TBM and second group of mining TBM internal unit 435
Water out is connected respectively to the import of interior circulation outlet pipe 44.
In the present embodiment, mining TBM external equipment 45 includes roof-bolter, belt feeder, dedusting fan, cutterhead spraying, with
And other domestic waters etc..
First group of mining TBM internal unit 434 includes the internal units, second group of ore deposit such as hydraulic station, power distribution cabinet, frequency converter
Include main driving lubricating component, cutter motor and decelerator etc. with TBM internal unit 435.
The external water source 41 of the present embodiment is direct-furnish water source.The water under high pressure of mine direct-furnish is directly connected to, about 5MPa conveniently makes
With water temperature≤28 DEG C of external water source 41.It may insure cooling effect.
The interior circulation water tank 431 of the present embodiment is sealing type cistern.It is placed on mining TBM trailers, can random movement.
A kind of mining TBM water circulations method, comprises the following steps：
(1) external water source 41, which supplies water, arrives interior circulation water tank 431, is redistributed to each water pump；
(2) internal unit that water supplies corresponding mining TBM is used by water pump, be again discharged into water circulation outside after use
Portion's equipment feed pipe is used for mining TBM external equipment 45；
(3) tunnel floor is directly discharged water into after the mining TBM use of external equipment 45；
(4) water after mining TBM internal unit use can not meet mining TBM external equipment 45 use will
Ask, then open gate valve 46, external water source 41 directly supplies water to mining TBM external equipment 45.
External water source 41 is introduced directly into interior circulation water tank 431, interior circulation water passes through the first internal circulation water pump 432 and second
Internal circulation water pump 433 is pumped out for cooling down hydraulic station, power distribution cabinet, frequency converter, main driving lubrication and cutter motor and decelerator,
The water flowed out from these equipment directly makes for roof-bolter, belt feeder, dedusting fan, cutterhead spraying and other domestic waters
With managing, can not expire when equipment downtime carries out the heat hydraulic pressure that supporting or water pump pump out all the way while being drawn in external water source 41
During the system water requirements such as sufficient cutterhead spraying, the water under high pressure that directly can be provided by external water source 41 is supplied water, so also
Outer circulation water system is eliminated, while system drop Gentle water requirement can be met again.
As shown in Figure 10 and Figure 11, the transportation system 5 of the present embodiment includes monorail crane mechanism 51, the monorail crane mechanism 51
The top in shield machine tunnel 52 is arranged on, the cross section in shield machine tunnel 52 is circle, and the bottom plate in the tunnel is transported provided with belt
Expect mechanism 53 and walkway 54, the monorail crane mechanism 51 include load-bearing anchor pole 511, firm banking 512, connection anchor chain 513,
Connection ring 514 and track 515；The firm banking 512 is fixed on the top in shield machine tunnel 52, the connection anchor chain 513
One end is connected on firm banking 512, and the other end is connected in connection ring 514, top and the connection ring 514 of the track 515
It is connected；Connecting hole is opened up on the firm banking 512, the connecting hole is fixed on the top in tunnel by load-bearing anchor pole 511.It is logical
Cross the whole monorail crane mechanism 51 of 511 pairs of load-bearing anchor pole to be fixed, can either fix monorail crane mechanism 51 again can be to tunnel
Top is reinforced.
The track 515 of the present embodiment is to be connected at the top of I-steel, the I-steel in connection ring 514, the I-shaped
The bottom of steel connects part to be transported.I-steel selection is convenient, readily available.
The top of the connection anchor chain 513 of the present embodiment is connected on firm banking 512 by connecting bolt.Can be according to even
The degree of wear for connecing anchor chain 513 is changed.
The connection ring 514 of the present embodiment has openend and blind end, and the closed section is set on the connection anchor chain 513
Bottom, card sets contiguous block 516 in the openend, and the openend and contiguous block 516 are connected by fastening bolt.Connection ring
514 there is opening can conveniently dismantle, and be conveniently replaceable the I-steel of abrasion.
The top of the contiguous block 516 of the present embodiment is connected with the openend by fastening bolt, the contiguous block 516
Bottom is welded on the top of I-steel.There is the situation of sealing-off or other abrasions in the weld of I-steel and contiguous block 516, only needs
Fastening bolt is dismantled weld or change again.Facilitate the maintenance in later stage.
Firm banking 512 is fixed on the top plate at the top of tunnel by the present embodiment by load-bearing anchor pole 511 first when mounted
On, then it is connected by connecting anchor chain 513 with connection ring 514, track 515 is fixed on the lower section of connection ring 514.
The bottom of track 515 connects hanging basket, for transported material.Transportation route ensures transport space, and oblique lane transport ability is stayed
Sufficient redundancy；Its rail and belt-conveying are combined, and smallclothes utilize single-rail crane using the track transport of belt-conveying mechanism, big part
Structure is transported.
As shown in Figure 12~14, the walkway 54 of the present embodiment includes multigroup bracket 541 and multiple pedals 542, described
Multigroup bracket 541 be arranged in parallel successively, and every group of bracket 541 includes cross-brace frame 543 and vertical supporting frame 544, the transverse direction
The transverse direction setting along tunnel cross section of support frame 543, the head end of the cross-brace frame 543 rides upon the side wall in tunnel, end
End is vertical with vertical supporting frame 544 to be connected, and the pedal 542 is laid on two cross-braces of the two adjacent groups bracket 541
Between frame 543.
The vertical supporting frame 544 is 12# channel-section steels, middle and upper part and the cross-brace frame 543 of the vertical supporting frame 544
Ending vertical is connected, and clamping sets pillar on the slot opening of the vertical supporting frame 544.With groove structure come clamping pillar,
Realize the positioning of whole pedestrian's device.
The pillar is the H framves 531 of mining TBM belt-conveying mechanism 53.Slot opening is held in the frame of H framves 531
On body, it can be attached in transportation system, it is simple and convenient.
The head end of cross-brace frame 543 is positioned on roadway floor, and spacing is according to the H of mining TBM belt haul mechanism 53
The spacing of frame 531 is determined, takes 3 meters one group, cross-brace frame 543 designs long 370mm, and three 12# channel-section steels are placed in its top, are used as row
People's pedal 542, just 3 meters of the length of every pedal 542, matches with the spacing of every group of bracket 541, vertical supporting frame 544
Height determines that design height is 270mm according to the radius of " O " type drift section and the length of cross-brace frame 543.
The head end of the cross-brace frame 543 is provided with safety screen 545 vertically upward.With safety screen 545 to pedestrian
Pedal carries out spacing, it is ensured that pedestrian's walking safety.
The length of the width of the multiple pedal 542 and the cross-brace frame 543 matches.Pedal 542 is closely arranged
On cross-brace frame 543, it can guarantee that to be formed do not have apertured walking passageway.
The pedal 542 of the present embodiment be 12# channel-section steels, the channel-section steel it is bottom-up, it is opening down.Compare steel plate from channel-section steel
With advantage, channel-section steel is difficult to warp in two ends when people is trampled in centre position, generally frame-type, safer.
When the walkway 54 of the present embodiment is installed, vertical supporting frame 544 only need to be stuck in belt haul mechanism 53
H framves 531 on, head end and the roadway floor of cross-brace frame 543 will ensure to contact good, then between every two groups of brackets 541
Place three pedals 542.
The foregoing is only preferable case study on implementation of the present utility model, not to limit the utility model, it is all
Any modifications, equivalent substitutions and improvements made within spirit and principle of the present utility model etc., should be included in this practicality new
Within the protection domain of type.
Claims (9)
1. a kind of mining tunneling boring hard rock mole, it is characterised in that including driving machine host, the driving machine host include according to
Driving cutterhead, shield body and actuator, beam body, stretching propulsive mechanism, rear support mechanism, the rear supporting component of secondary connection；The support
Tight propulsive mechanism includes propelling cylinder and support boots, and the support boots are horizontally arranged along driving machine host；The beam body includes
Girder, annular girder, excessive beam and the skid beam being sequentially connected, one end connection beam body of the propelling cylinder, other end driving support boots,
The support boots are set in skid beam, supporting component after the rear support mechanism is connected by dilatory oil cylinder.
2. a kind of mining tunneling boring hard rock mole according to claim 1, it is characterised in that the development machine also includes
Transportation system, the transportation system is located at after rear supporting component, and the transportation system includes the monorail crane being arranged in tunnel
Mechanism, belt haul mechanism and walkway, the monorail crane mechanism are arranged on the top in tunnel, belt haul mechanism and people's row
Passage is respectively arranged at the bottom in tunnel, and the monorail crane mechanism includes firm banking, connection anchor chain, connection ring and track；Institute
The top that firm banking is fixed on shield machine tunnel is stated, one end of the connection anchor chain is connected on firm banking, the other end connects
It is connected in connection ring, the top of the track is connected with connection ring.
3. a kind of mining tunneling boring hard rock mole according to claim 2, it is characterised in that the walkway includes
Multigroup bracket and multiple pedals, multigroup bracket be arranged in parallel successively, and every group of bracket includes cross-brace frame and vertical supporting
Frame, the transverse direction setting along tunnel cross section of the cross-brace frame, the head end of the cross-brace frame rides upon the side in tunnel
Wall, end is vertical with vertical supporting frame to be connected, the pedal be laid on the two adjacent groups bracket two cross-brace framves it
Between.
4. a kind of mining tunneling boring hard rock mole according to claim 1, it is characterised in that the development machine also includes
Dust pelletizing system, the dust pelletizing system includes airborne air-suction duct, airborne exhaust pipeline, airborne air-supply pipeline, dedusting fan, air feed
Blower fan, air feed air duct, louver；Main frame length direction of the airborne air-suction duct along mining TBM is set, the dedusting wind
Machine is set on mining TBM main frame, and the dedusting fan front end is connected with airborne air-suction duct, rear end and airborne exhaust duct phase
Even, the air feed blower fan is connected with air feed air duct, and the air feed air duct is described to adjust provided with the first air feed mouthful and the second air feed mouthful
Wind apparatus is respectively arranged on the first air feed mouthful and the second air feed mouthful, and first air feed mouthful is located at after dedusting fan, described
The airborne air-supply pipeline of second air feed mouthful connection, the outlet of the airborne air-supply pipeline is less than or waited positioned at mining TBM working face
At 10m.
5. a kind of mining tunneling boring hard rock mole according to claim 4, it is characterised in that the louver is selected from
Any of hand-rail type louver and binding-type louver, the hand-rail type louver include regulation cylinder, multiple
Blade and rotating handles are adjusted, the regulation blade is arranged on the cross section of the regulation cylinder, the multiple regulation blade
It is sequentially connected in series by rotating handles, the end of the rotating handles is arranged on regulation cylinder；The binding-type louver bag
Regulation air duct and three-way pipeline are included, the three-way pipeline is arranged on regulation air duct.
6. a kind of mining tunneling boring hard rock mole according to claim 1, it is characterised in that the development machine also includes
Water circulation system, the water circulation system includes external water source, interior circulation feed pipe, interior circulation water route, interior circulation outlet pipe；Institute
The import that external water source connects interior circulation feed pipe is stated, the outlet of the interior circulation feed pipe connects the import in interior circulation water route,
The outlet connection interior circulation outlet pipe in the interior circulation water route, the outlet of the interior circulation outlet pipe is connected to each mining TBM
External equipment use water inlet.
7. a kind of mining tunneling boring hard rock mole according to claim 6, it is characterised in that the internal circulation water pump has
Two, respectively the first internal circulation water pump and the second internal circulation water pump, the internal unit of the mining TBM have two groups, are respectively
First group of mining TBM internal unit and second group of mining TBM internal unit；Followed in the import connection of the interior circulation water tank
The outlet of ring feed pipe, the outlet of the interior circulation water tank connects entering for the first internal circulation water pump and the second internal circulation water pump respectively
Mouthful, the outlet of first internal circulation water pump is connected to be followed in the use water inlet of first group of mining TBM internal unit, described second
The use water inlet of second group of mining TBM of outlet connection of ring water pump internal unit, the internal unit of first group of mining TBM
With the import that interior circulation outlet pipe is connected respectively to water out of second group of mining TBM internal unit.
8. a kind of mining tunneling boring hard rock mole according to claim 1, it is characterised in that the development machine also includes
Support system, the support system includes support frame and is respectively arranged at supporting platform, elevating mechanism on mining TBM annular girder
And support post；The side that the supporting platform is arranged at annular girder forms the space for standing, the one of the elevating mechanism
End is hinged on annular girder, and the other end is hinged on support post, and one end of the support post is hinged on annular girder, another
End is hinged on support frame, and the support post and elevating mechanism, which constitute toggle, is used to drive fortune above and below support frame
It is dynamic.
9. a kind of mining tunneling boring hard rock mole according to claim 8, it is characterised in that support frame as described above includes many
Individual support bar and connecting rod, the connecting rod are arc, and the support post drives connecting rod to move up and down, the multiple support
Bar is fixed in connecting rod along the arcuate directions of connecting rod successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720165287.2U CN206487483U (en) | 2017-02-23 | 2017-02-23 | A kind of mining tunneling boring hard rock mole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720165287.2U CN206487483U (en) | 2017-02-23 | 2017-02-23 | A kind of mining tunneling boring hard rock mole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206487483U true CN206487483U (en) | 2017-09-12 |
Family
ID=59762971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720165287.2U Withdrawn - After Issue CN206487483U (en) | 2017-02-23 | 2017-02-23 | A kind of mining tunneling boring hard rock mole |
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| Country | Link |
|---|---|
| CN (1) | CN206487483U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640106A (en) * | 2017-02-23 | 2017-05-10 | 淮南矿业(集团)有限责任公司 | Mining whole-section hard rock tunneling machine and circulative tunneling method |
| CN109225455A (en) * | 2018-08-07 | 2019-01-18 | 江苏大学 | A kind of high working face coal winning machine coal wall side crushing device |
| CN111720132A (en) * | 2020-06-10 | 2020-09-29 | 新汶矿业集团设计研究院有限公司 | Novel ultra-large section roadway rapid tunneling process |
| CN113931666A (en) * | 2021-12-21 | 2022-01-14 | 山东大学 | Anchor cable beam construction device and method |
-
2017
- 2017-02-23 CN CN201720165287.2U patent/CN206487483U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640106A (en) * | 2017-02-23 | 2017-05-10 | 淮南矿业(集团)有限责任公司 | Mining whole-section hard rock tunneling machine and circulative tunneling method |
| CN106640106B (en) * | 2017-02-23 | 2018-01-16 | 淮南矿业(集团)有限责任公司 | A kind of mining tunneling boring hard rock mole and its circulation driving method |
| CN109225455A (en) * | 2018-08-07 | 2019-01-18 | 江苏大学 | A kind of high working face coal winning machine coal wall side crushing device |
| CN111720132A (en) * | 2020-06-10 | 2020-09-29 | 新汶矿业集团设计研究院有限公司 | Novel ultra-large section roadway rapid tunneling process |
| CN111720132B (en) * | 2020-06-10 | 2022-02-25 | 新汶矿业集团设计研究院有限公司 | Novel ultra-large section roadway rapid tunneling process |
| CN113931666A (en) * | 2021-12-21 | 2022-01-14 | 山东大学 | Anchor cable beam construction device and method |
| CN113931666B (en) * | 2021-12-21 | 2022-04-01 | 山东大学 | Anchor cable beam construction device and method |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170912 Effective date of abandoning: 20180116 |