CN106761805A - Laser full face rock tunnel boring machine cutterhead design method - Google Patents
Laser full face rock tunnel boring machine cutterhead design method Download PDFInfo
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- CN106761805A CN106761805A CN201611152413.7A CN201611152413A CN106761805A CN 106761805 A CN106761805 A CN 106761805A CN 201611152413 A CN201611152413 A CN 201611152413A CN 106761805 A CN106761805 A CN 106761805A
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- 239000011435 rock Substances 0.000 title claims abstract description 101
- 238000000034 method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims description 14
- 241000237858 Gastropoda Species 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000009412 basement excavation Methods 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000002893 slag Substances 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000013532 laser treatment Methods 0.000 abstract description 3
- 230000010355 oscillation Effects 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract 1
- 238000005520 cutting process Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000005641 tunneling Effects 0.000 description 5
- 208000037656 Respiratory Sounds Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000007717 exclusion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 241000931526 Acer campestre Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/11—Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1066—Making by using boring or cutting machines with fluid jets
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1073—Making by using boring or cutting machines applying thermal energy, e.g. by projecting flames or hot gases, by laser beams
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Earth Drilling (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention belongs to full face rock tunnel boring machine driving technology field, there is provided a kind of laser full face rock tunnel boring machine cutterhead design method.The present invention is using laser and high-pressure water jet combined-breaking rock, acted on the rolling of rock because the broken mode of cutterhead has not relied on hobboing cutter, therefore by the former removal on traditional cutterhead, and by laser aid and giant respectively with not Driven by Coaxial, rock face is sprayed with giant immediately after the complete rock of laser treatment, then recycle edge blade to process residual rocks, the purpose of broken rock is reached with this.Because the cutterhead most of the time does not contact with rock face, therefore compared with traditional cutterhead, its Oscillation Amplitude can be reduced greatly, the presence of High-Pressure Water can effectively remove the high temperature that slag is caused with rock slag and reduction due to laser, because cutterhead does not have former, therefore the current of entrainment waste residue can very easily discharge workspace.
Description
Technical field
The invention belongs to full face rock tunnel boring machine driving technology field, in existing traditional tunneling boring hard rock mole
On the basis of cutterhead, the tunneling boring broken rock development machine cutter head structure that a kind of laser is combined with high-pressure water jet is devised.
Background technology
In recent years, full face rock tunnel boring machine is widely used in the hydraulic engineering of China, railway traffic, subway engineering, oil gas
In the tunnel construction such as pipeline and national defence.But these engineerings use traditional driving method, i.e. the dish-type cutterhead by rotating mostly
Rock is cut off with the pressure of blade face.Although compared to initial drilling and blasting method, TBM moles overcome its mechanization journey
The low, labor productivity of degree is low, the shortcoming that utilization rate of equipment and installations is low and security is low.But because operating environment is severe, formation hardness
It is higher, and hardness in different region rocks also changed, and vibrations are easily produced in the course of the work which results in TBM,
Cutter life is had a strong impact on, the damage of hobboing cutter will cause the drivage efficiency and service life of entire machine.
Laser has high directivity, and the characteristics of height is measured and energy is adjustable, therein measuring refers to light source in propagation side
The power of transmitting in upward unit area, unit solid angle.The adjustability of its energy causes development machine in face of of different nature
Different energy can be selected during rock carries out broken rock, and the adjustable range of its photon energy from 0.1eV to 100eV, or even can be arrived
Upper kilo electron volt magnitude.And the working media of laser has diversity, can be worked under medium environment.Laser breaks
The general principle of rock is, using cumulative laser beam direct radiation rock surface, it is locally warming up to heat fusing high and vaporization suddenly
State, with this rock cutting.Although laser rock fragmenting has many advantages, laser optical system and regulating system are more complicated, easily
Influenceed by underground adverse circumstances.There is melting rock part of the laser not only to direct effect in rock break-off process, for
The rock property on periphery also has an impact, and during laser rock fragmenting, the temperature for how reducing surrounding environment is laser
One difficult point.Additionally, the exclusion of rock slag and rock dust that lf gets off is also a problem.Therefore laser rock fragmenting is transported at present
Patent in actual mole does not almost have.
The content of the invention
The present invention be directed to traditional rolling-type development machine when broken rock works cutterhead serious vibration, hob abrasion is serious
Situation, has invented the development machine cutter head of a kind of laser and high-pressure water jet combined-breaking rock.By the rock after laser treatment
Lithology is changed, its elastic modelling quantity, and modulus of shearing etc. is all different degrees of to be reduced, and is more favorable for the generation of crackle, subsequently
High-Pressure Water energy higher efficiency carry out broken rock work.In addition, high-pressure water jet can also play cooling to rock surface
With the effect of cleaning rock slag rock dust.
Technical scheme：
A kind of method for designing of development machine cutter head structure, no longer uses traditional rolling-type broken rock in tunneling process, goes
Except the former of traditional development machine cutterhead, so advantageously in the discharge of the rock slag and current for melting；In traditional development machine cutterhead
The position giant 3-4 of original hobboing cutter is replaced on spoke, changes the structure at traditional development machine cutter head center position,
The centre of traditional development machine cutterhead sets up one for connecting the spoke disk 2 of spoke, and is provided with sharp at the center of spoke disk 2
CD 1, is equipped with laser generator 1-1 of the multiple with angle on laser disk 1, laser disk 1 is driven with spoke disk 2 using two drive shafts
It is dynamic so that laser disk 1 is moved independently of outside spoke disk 2, it is ensured that the operation time of laser generator 1-1 and giant 3-4
Operation time stagger；In hobboing cutter 3-1 of the development machine cutterhead edge equipped with non-angular, play a part of to cut surrounding rock, with
This ensures the adequacy of broken rock, and specific method for designing is as follows：
Development machine cutterhead includes laser disk 1, spoke disk 2, spoke 3 and spoke disk seat 4；Spoke 3 is installed on spoke disk 2,
Spoke number is 4,6 or 8；The arrangement of spoke 3 makes the stress balance of development machine cutterhead radial direction, it is ensured that tunnel according to equiangularly arranged
The stability of excavation direction in mining process；Laser disk 1 be installed on spoke disk 2 and spoke disk seat 4 center, spoke disk 2 with
Spoke disk seat 4 uses mode connects for screw；
The thickness of laser disk 1 is equal to the thickness sum of spoke disk 2 and spoke disk seat 4, i.e. laser disk 1 and is located at spoke disk 2
In hollow cylinder, it is lubricated by lubricant between them；Laser disk 1 is distinguished from spoke disk seat 4 by 2 different drive shafts
Drive, the drive shaft of spoke disk seat 4 is designed to hollow shaft, its internal drive shaft equipped with laser disk 1, two axles can individually drive
It is dynamic, with this stagger giant and the operation time of laser generator 1-1.
The front of laser disk 1 is provided with several laser generator 1-1, is helix center, laser with the center of laser disk 1
Generator 1-1 helically line distributions on laser disk 1, from the center of helix laterally, between each two laser generator 1-1
Distance gradually increases, during utilization is cut by laser rock, the half of the rocky areas that each laser generator is acted on
Footpath is different, and this just effectively avoids repetition cutting, and such arrangement can also reduce the cloth of laser generator
Put quantity.The cost of laser aid is of a relatively high, and the energy needed for producing laser is also very high, it is to avoid repeat cutting for section
About cost is very helpful with the energy.In addition, laser generator 1-1 and the card arrangement at an angle of laser disk 1, this
It is the scope that rock is cut for expansion of laser light so that the rock radius that laser generator 1-1 can cut is not excited CD 1 half
The limitation in footpath, with the increase of rock surface and development machine cutterhead distance, the rock radius that laser generator can cut also can
Corresponding increase.The rock radius r that wherein each laser generator can cut can be determined by following formula：
Wherein：The rock radius that r can cut for laser generator, r0It is laser generator 1-1 to the center of laser disk 1
Distance, d is the distance between development machine cutterhead and rock surface to be cut, and θ is the angle of laser generator 1-1 and laser disk 1.
By formula (1) as can be seen that the reduction with θ and the increase apart from d, the rock radius that laser can cut will
Can significantly be improved, but energy contained by laser and also can be with cutterhead and rock for the cutting power of rock
The increase of surface distance and reduce, therefore the arrangement number of laser generator and its should be with swashing with the setting angle of laser disk 1
The original radius of CD 1 and the operating mode of reality are determined.
The back side of laser disk 1 is provided with laser disk transmission hole 1-4, laser disk transmission hole 1-4 is used for laser generator 1-1
With the interface channel of extraneous power supply；The laser valve snail being connected with for positioning with couple of the back side of laser disk 1 and drive shaft
The laser disk power transmission groove 1-3 of pit 1-2 and transmission driving force；
According to depending on spoke number, when 4 spokes are taken, spoke disk 2 is quadrangle to the edge contour of spoke disk 2；Take 6
During spoke, spoke disk 2 is hexagon；When taking 8 spokes, then spoke disk 2 is octagon, in order to the welded and installed of spoke 3, spoke
The center of bar disk 2 is hollow cylinder, for installing laser disk 1, the back seat of spoke disk 2 be provided with spoke valve snail pit 4-3 for
Spoke disk seat 4 couples, and the position of spoke valve snail pit 4-3 is in the polygonal edges and corners of outer rim, and wall thickness is maximum herein, it can be ensured that
The security of screw attachment.
The hobboing cutter of conventional knives plate convergence bar has been substituted for giant 3-4 by spoke 3, and storage tank 3- is had additional inside it
5, and two water tank blasthole 3-11 are provided with the back of spoke, it is provided with water tank apopore 3-6, its number and high pressure in water tank front
Hydraulic giant quantity is identical, is connected with plastic hose between giant 3-4 and water tank apopore 3-6；In terms of the assembling of spoke 3, will
Spoke foreboard 3-3 has been changed to be connected using preceding plate bolt 3-8 with the connection of spoke other parts by welding, and this is conducive to the later stage high
Press the replacing of hydraulic giant and be connected.
The spoke disk seat circular boss of 4 global designs, the size at its boss center and the hollow cylinder phase at the center of spoke disk 2
Together, for installing laser disk 1, the round boss in spoke disk seat 4 is attached with spoke disk 2, spoke disk 4 bottoms of seat and driving
Axle couples, and the spoke disk seat fixing hole 4-1 being angularly distributed around the center of circle is provided with 4 bottoms of spoke disk seat, is dug for connecting
Enter the power set of machine, the quantity of spoke disk seat fixing hole 4-1 can voluntarily be selected according to actual operating mode.In order to reduce drive shaft
The shearing force of screw when transmitting torque with spoke disk seat 4, spoke disk seat power transmission groove 4-2 is provided with trying to get to the heart of a matter for spoke disk seat 4, is used for
It is connected with drive shaft, transmits driving moment, the reliability of device is improved with this, reduce the replacement frequency of disk screwing, improves pick
Enter efficiency.
Beneficial effects of the present invention：1st, the present invention utilizes laser and high-pressure water jet combined-breaking rock so that cutterhead is in cutting
During rock without with rock surface directly contact, be greatly reduced that development machine is produced in tunneling process to shake
It is dynamic, improve the service life of development machine；2nd, invention removes the subplate on traditional cutterhead so that the exclusion of rock slag is more just
Profit；3rd, due to the presence of cutting process mesohigh water jet, because the high temperature that laser cutting is brought can be obtained very well in tunnel
Control.
Brief description of the drawings
Fig. 1 (a) is the front schematic view of cutterhead.
Fig. 1 (b) is the reverse side schematic diagram of cutterhead.
Fig. 2 (a) is former fragmentary sectional elevation view.
Fig. 2 (b) is former side schematic view.
Fig. 2 (c) is former schematic rear view.
Fig. 3 (a) is spoke disk, the front assembling schematic diagram of spoke disk seat.
Fig. 3 (b) is spoke disk, the back side assembling schematic diagram of spoke disk seat.
Fig. 4 (a) is the front view of laser disk.
Fig. 4 (b) is the right view of laser disk.
Fig. 4 (c) is the rearview of laser disk.
Fig. 5 is the overall schematic three dimensional views of laser development machine cutterhead.
In figure：1 laser disk；2 spoke disks；3 spokes；4 spoke disks seat；1-1 laser generators；1-2 laser disk screwed holes；1-
3 laser disk power transmission grooves；1-4 laser disk transmission holes；3-1 hobboing cutters；3-2 scrapers；3-3 foreboards；3-4 giants；3-5 storage tanks；
3-6 water tank apopores；3-7 scraper screws；Plate bolt before 3-8；3-9 side plates；3-10 back plates；3-11 water tank blastholes；4-1 spokes
Disk seat fixing hole；4-2 spokes disk seat power transmission groove；4-3 spoke valve snail pits.
Specific embodiment
Below in conjunction with accompanying drawing and technical scheme, specific embodiment of the invention is further illustrated.
Traditional full face rock tunnel boring machine is by the overall rotation of cutterhead so that hobboing cutter constantly extrudes rock, works as rolling
When the stress that knife is applied on rock is more than the limit stress of rock, rock will be cracked, so as to rupture, be reached brokenly with this
The effect of rock.In this course, directly and rock contact, the vibration produced by broken rock will be delivered to entirely hobboing cutter by hobboing cutter
Cutterhead, it is huge during the vibration for thus bringing, have a strong impact on the Stability and dependability of development machine work.
The present invention use laser and giant combined-breaking rock so that most of working time of development machine not with rock table
Face directly contact, therefore the effective vibration for alleviating cutterhead, improve stability when development machine works, and improve workman's
Working environment.In configuration aspects, the geometry outline of spoke disk is determined according to spoke number required when excavating, laser generator
Can be determined by actual operating mode with the angle of laser panel surface, laser disk 1 and the attachment screw quantity, the spoke disk that drive between centers
The attachment screw quantity of attachment screw quantity, spoke disk seat 4 and driving between centers between 2 and spoke disk seat 4 all can be by field working conditions
It is determined.
Operationally, the property of operating mode and rock according to scene adjusts cutterhead to target rock surface to laser generator
Distance, with the radius of this determination laser drill, the radius of laser drill should be less than the radius in tunnel, and this is by laser is produced
Raw high temperature can weaken rock so that crackle is developed, and make mineral dehydration, vaporization, so as to increased void space, this reduction
Effect is not only acted upon on the rock of direct irradiation, and due to the conduction of high temperature, the rock near laser beam can also become shoddy
Change, its intensity can significantly decrease, therefore in order to improve the security worked in tunnel, should cause the rock of laser direct effect
Radius of the stone radius less than tunneling.The efficiency of laser drill can be obtained in the case where meet drilling model eight assume by following formula
Arrive：
Wherein P is laser power, W；D is laser spot diameter, mm；vdIt is bore rate, mm/s；ξ and η are to depend on material
The constant of material characteristic and optical maser wavelength, can use determination of experimental method.Therefore laser can be adjusted according to the characteristic of rock by (2) formula
The transmission power and spot radius of transmitter 1-1 reaches preferable bore rate.
Cutterhead in the present invention drives laser disk 1 and spoke disk 2 respectively using two drive shafts, when laser disk 1 rotates
After a complete circle, can be melt positioned at the rock of the direct irradiation area of laser and melted, and not illuminated region is due to the biography of high temperature
Lead its intensity and also there occurs decline, be then switched off generating laser 1-1 and stop the rotation of laser disk 1, start rotation spoke disk
2, while starting giant 3-4 and cutterhead is started slow forward movement, now the high temperature caused by laser is due to high pressure
The arrival of current can obtain a certain degree of cooling, thus reduce the operating temperature in follow-up broken rock work.Other laser breaks
The slag that rock is brought also is washed away by High-Pressure Water, cutterhead now due to without traditional former, therefore, it is possible to more easily
Slag and fragmented rock powder is set to be flushed away along current.Further, since the impact of high-pressure water jet will be caused in rock
The high temperature in portion declines rapidly so that rock interior produces tension, and this is conducive to the growth of crackle, increases splitting for rock interior
Line, reduces the intensity of target rock.When cutterhead arrives at target rock face, removed using the edge blade 3-2 on cutterhead spoke 3
The rock remained on target rock face, the rock for now remaining due to the treatment by laser and High-Pressure Water, its intensity under
Drop is a lot, therefore can be much smaller than traditional full face rock tunnel boring machine knife by the Oscillation Amplitude that scraper cutting residual rock is brought
Disk.
Tunneled with the mode of high-pressure water jet combined-breaking rock present invention employs laser so that development machine is most of real
Between not with rock contact, effectively alleviate the vibration of development machine.Two axle drive is also different from traditional single shaft driving, and this is effective
Staggered laser and high-pressure water jet broken rock time point, rapidly spray low to High temperature rocks after laser treatment crosses rock
The High-Pressure Water of temperature can greatly reduce the intensity of rock, while slag and rock dust can also be excluded using High-Pressure Water, by
In former is eliminated, current can easily discharge working region.
Claims (3)
1. a kind of method for designing of development machine cutter head structure, it is characterised in that by original hobboing cutter on traditional development machine cutterhead spoke
Position giant (3-4) replace, change the structure at traditional development machine cutter head center position, tradition driving machine knife
The centre of disk sets up one for connecting the spoke disk (2) of spoke, and is provided with laser disk (1) at the center of spoke disk (2)；
Development machine cutterhead includes laser disk (1), spoke disk (2), spoke (3) and spoke disk seat (4)；Spoke disk is provided with (2)
Spoke (3)；The arrangement of spoke (3) makes the stress balance of development machine cutterhead radial direction, it is ensured that tunnelling according to equiangularly arranged
The stability of excavation direction in journey；Laser disk (1) is installed on the center of spoke disk (2) and spoke disk seat (4), spoke disk (2)
Mode connects for screw is used with spoke disk seat (4)；
The thickness of laser disk (1) is equal to the thickness sum of spoke disk (2) and spoke disk seat (4), i.e., laser disk (1) is positioned at spoke disk
(2) in hollow cylinder, laser disk (1) is driven respectively from spoke disk seat (4) by 2 different drive shafts, spoke disk seat (4)
Drive shaft is hollow shaft, and its internal drive shaft equipped with laser disk (1), two drive shafts are operated alone, make giant (3-4) with
The operation time of laser generator (1-1) staggers；
The front of laser disk (1) is provided with several laser generators (1-1), and the center with laser disk (1) is helix center, swashs
Optical generator (1-1) helically line distribution on laser disk (1), from the center of helix laterally, each two laser generator
Distance between (1-1) gradually increases；Laser generator (1-1) and laser disk (1) card arrangement at an angle, send out laser
The rock radius that raw device (1-1) is cut is not excited the limitation of CD (1) radius, with rock surface and development machine cutterhead distance
Increase, the rock radius that laser generator (1-1) is cut also accordingly increases；
The rock radius r that wherein each laser generator (1-1) is cut is determined by formula (1)：
Wherein：The rock radius that r can cut for laser generator (1-1), r0For in laser generator (1-1) to laser disk (1)
The distance of the heart, d is the distance between development machine cutterhead and rock surface to be cut, and θ is laser generator (1-1) and laser disk (1)
Angle；
The back side of laser disk (1) is provided with laser disk transmission hole (1-4), laser disk transmission hole (1-4) is used for laser generator
The interface channel of (1-1) and extraneous power supply；The back side of laser disk (1) and its drive shaft are connected with for positioning and coupling
Laser disk power transmission groove (1-3) of laser disk screwed hole (1-2) and transmission driving force；
Storage tank (3-5) is provided with inside giant (3-4), two water tank blastholes (3-11) are provided with the back of spoke (3),
Water tank front is provided with water tank apopore (3-6), and its number is identical with giant (3-4) quantity, giant (3-4) and water tank
Connected with plastic hose between apopore (3-6)；Spoke foreboard (3-3) utilizes preceding plate bolt (3- with the connection of spoke other parts
8) connect；
Spoke disk seat (4) generally round boss, the size at its boss center is identical with the hollow cylinder at spoke disk (2) center,
For installing laser disk (1), the round boss in spoke disk seat (4) is attached with spoke disk (2), spoke disk seat (4) bottom
Couple with drive shaft, spoke disk seat fixing hole (4-1) being angularly distributed around the center of circle be provided with spoke disk seat (4) bottom,
Power set for connecting development machine, the quantity of spoke disk seat fixing hole (4-1) determines according to actual condition；In spoke disk seat
(4) try to get to the heart of a matter is provided with spoke disk seat power transmission groove (4-2), for being connected with drive shaft, transmits driving moment.
2. method for designing according to claim 1, it is characterised in that described spoke number is 4,6 or 8, spoke disk (2)
According to depending on spoke number, when 4 spokes are taken, spoke disk (2) is quadrangle to edge contour；When 6 spokes are taken, spoke disk
(2) it is hexagon；When 8 spokes are taken, then spoke disk (2) is octagon；It is easy to the welded and installed of spoke (3), spoke disk (2)
Center be hollow cylinder, for installing laser disk (1), the back seat of spoke disk (2) be provided with spoke valve snail pit (4-3) for
Spoke disk seat (4) connection, the position of spoke valve snail pit (4-3) is in the polygonal edges and corners of outer rim.
3. method for designing according to claim 1 and 2, it is characterised in that at development machine cutterhead edge equipped with non-angular
Hobboing cutter (3-1).
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|---|---|---|---|
| CN201611152413.7A CN106761805B (en) | 2016-12-14 | 2016-12-14 | Laser full face rock tunnel boring machine cutterhead design method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611152413.7A CN106761805B (en) | 2016-12-14 | 2016-12-14 | Laser full face rock tunnel boring machine cutterhead design method |
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| CN106761805B CN106761805B (en) | 2018-08-21 |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107916939A (en) * | 2017-10-27 | 2018-04-17 | 陈南南 | A kind of tunneling boring hard rock tunnel development machine cutterhead and driving method |
| CN107965615A (en) * | 2017-11-16 | 2018-04-27 | 东北大学 | Have the function of to detect and orient the push-bench for abolishing obstacle |
| CN108412507A (en) * | 2018-05-23 | 2018-08-17 | 中铁高新工业股份有限公司 | A kind of new pattern laser auxiliary rock TBM structures |
| CN108487914A (en) * | 2018-05-23 | 2018-09-04 | 纽敦光电科技（上海）有限公司 | A kind of laser assisted broken rock equipment |
| CN108756915A (en) * | 2018-05-23 | 2018-11-06 | 中铁高新工业股份有限公司 | A kind of laser assisted rock breaking method for TBM |
| CN109139034A (en) * | 2018-08-08 | 2019-01-04 | 华中科技大学 | A kind of tunnel piercing device and method using laser cutting broken rock |
| CN109184713A (en) * | 2018-10-19 | 2019-01-11 | 中铁隧道局集团有限公司 | It is a kind of for cutting the laser aid of boulder in front of tunnel |
| CN109236299A (en) * | 2018-11-09 | 2019-01-18 | 中国铁建重工集团有限公司 | A kind of laser rock fragmenting device |
| CN109555531A (en) * | 2018-06-29 | 2019-04-02 | 中铁工程装备集团有限公司 | A kind of development machine and its driving method using laser rock fragmenting |
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| CN111577309A (en) * | 2020-05-07 | 2020-08-25 | 中国矿业大学 | Multi-hob sectional type wedge cracking hard rock mass method |
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