CN111622769A - Pipe piece type hard rock tunneling machine - Google Patents
Pipe piece type hard rock tunneling machine Download PDFInfo
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- CN111622769A CN111622769A CN202010341016.4A CN202010341016A CN111622769A CN 111622769 A CN111622769 A CN 111622769A CN 202010341016 A CN202010341016 A CN 202010341016A CN 111622769 A CN111622769 A CN 111622769A
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- 239000011435 rock Substances 0.000 title claims abstract description 299
- 230000005641 tunneling Effects 0.000 title claims abstract description 80
- 238000005520 cutting process Methods 0.000 claims abstract description 55
- 239000011208 reinforced composite material Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000005516 engineering process Methods 0.000 claims abstract description 13
- 239000002131 composite material Substances 0.000 claims description 36
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- 238000009434 installation Methods 0.000 claims description 15
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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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/006—Lining anchored in the rock
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
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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
- E21D9/11—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
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
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- Environmental & Geological Engineering (AREA)
- Structural Engineering (AREA)
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention relates to a pipe piece type hard rock tunneling machine, belongs to the field of engineering machinery, and is used for solving the problems that the cutting amount of hard rock is large, resources are wasted, the tunneling speed is low, the tunneling cost is high, concrete pipe pieces are purchased, and the service life of a building is 100 years in the existing tunneling technology. The tunneling technology comprises the following steps: a plurality of arc-shaped cutters at the front end of the cutter head cut hard rock in the tunneling space into rock cylinders in the circumferential direction; taking out rock core from the center of the cutter head by using a water grinding drill and a splitter; longitudinally cutting the rock cylinders into pipe pieces by using the inter-rock cylinder cutting saws; a front cutting saw at the center of the cutter disc transversely separates the pipe piece from the rock mass; the rear end of the cutter head enters a discharge channel to enter cooling cement slurry, discharge pipe pieces and crushed rocks; compared with the prior art: the invention can dig hard rock in space to make reinforced composite material segment lining dig rock wall, and the residual segment is directly sold or the income of external sales is enhanced to resist investment, the cutting amount of hard rock is less, the resource utilization rate is high, the digging speed is fast, the digging cost is low, the project investment is less, and the service life of the building is 1000 years.
Description
Technical Field
The invention discloses a pipe piece type hard rock tunneling machine, and belongs to the technical field of engineering machinery.
Background
The existing hard rock tunneling technology has the advantages that: the full-section hard rock Tunnel Boring Machine (TBM) is a high-automation device integrating the technologies of machinery, electronics, hydraulic pressure, laser, control and the like, can simultaneously realize the operations of equipment propulsion, hard rock crushing, rock slag discharge, duct piece supporting and mounting and the like, has the advantages of one-step construction forming, no influence of outside climate and reduction of influence on ground buildings and traffic, and is mechanical equipment with the most development potential for the boring of hard rock engineering such as urban underground pipe galleries, subway tunnels, railway buses, military facilities and the like.
The technical problem of the existing hard rock tunneling engineering is as follows: (1) resource waste: in the prior art, the hard rock tunneling can not utilize high-quality hard rocks forming a crust for billions of years, and the high-quality hard rocks are completely cut into construction waste, so that resources are wasted; the transportation cost is generated by discharging the construction waste; the storage of the construction waste occupies land and pollutes the environment; the cost for purchasing the reinforced concrete pipe is generated; transportation cost is generated when the duct pieces are transported; the raw materials for manufacturing the reinforced concrete segments need to be exploited for iron ore steelmaking and limestone for producing concrete, and the environment is polluted in many ways; consuming non-renewable resources; the cost leads to high construction cost of tunnel engineering, large investment and more obvious land and environment pressure; (2) slow tunneling speed: in the prior art, the tunneling hard rock full-section is crushed, the cutting work amount is large, the abrasion of a cutter is fast, the tunneling posture is difficult to control, a duct piece floats upwards, the solitary rock is difficult to treat, a conveyor is clamped, a tunneling machine is clamped, and the like; (3) the interference environment risk is large: the existing hard rock tunneling technology has the disadvantages that the thrust is thousands of tons in the process of tunneling a pipe gallery tunnel, the ground is easy to rise or collapse, the geological environment interference capability is high, and a plurality of risks are difficult to avoid and control; (4) the tunneling cost is high: the hard rock tunneling equipment is sold at thousands of yuan to hundreds of millions of yuan RMB according to specification models, scrapped or overhauled about ten kilometers in service life, high in tunneling cost due to high depreciation and large maintenance amount; (5) the construction cost is high: 100% crushing of the driving face, discharge of building garbage, purchasing of pipe pieces, high depreciation cost and high construction cost; (6) the use cost is high; the tunnel for the reinforced concrete segment lining pipe gallery purchased in the prior art has the design service life of 100 years, short service life and high use cost; (7) the service life expiration has the following problems: first, the product can not be used in due period, and the disaster risk of urban water, electricity, gas, warm and irregular paralysis can be caused by the overdue use; secondly, the original site can not be dismantled and rebuilt, the original site dismantling and rebuilding period is long, the city is difficult to normally operate during the dismantling and rebuilding period, and people are difficult to normally produce and live; thirdly, the site replacement is difficult to replace, and the problems of whether the suitable underground space exists in the site replacement, huge investment sources, endless one-hundred-year-cycle and long-term repeated huge investment are all big; (8) difficult elimination of the later affected: no matter which way to solve, the pressure that huge people, money and materials and environmental cost are difficult to bear is formed, and hidden dangers that descendants are difficult to solve are reserved.
The problem direction of the existing tunneling technology engineering is solved: the hard rock resources are utilized to solve the problems of resource waste, construction waste discharge cost reduction, land occupation and environment pollution reduction, concrete segment purchasing cost reduction, high construction cost, short construction engineering service life, hidden danger which is difficult to solve due to the fact that the engineering service life is left in due period, and the like in the prior tunneling technology.
Hard rock building reality and history cases: the drainage ditch constructed in Ganzhou hard rock in Jiangxi of China is still used for thousands of years; the construction of the hard rocks of Zhao State bridges has been intact for 1400 years; the scene of the animal carved in 12000 years in the temple of Turkey is clear and recognizable; the crust formed by the rock rings still operates for 46 hundred million years; hard rock comes from the same life of the crustal rock ring and the rock ring, and hard rock pipe pieces come from the same life of the hard rock and the hard rock. Many reality and history cases can be corroborated: the service life of the hard stone composite material pipe gallery tunnel is more than 1000 years:
disclosure of Invention
Aiming at the problems in the prior art, the invention provides a pipe piece type hard rock tunneling machine, wherein hard rock in a tunneling engineering space is made into hard rock pipe pieces by adopting the tunneling machine, and the hard rock pipe pieces are reinforced into composite material pipe pieces for tunneling a space lining so as to save the investment of purchasing the pipe pieces; the residual segments are directly sold or enhanced to be sold as the segments made of the hard rock composite materials, the hard rock resources in the prior tunneling technology are cut into the expenditure of the discharge of the construction waste, the income of the invention for manufacturing the hard rock resources into the segments for sale is changed, and the problems of resource waste and the like in the prior art are solved.
The technical scheme adopted for solving the problems is as follows: the invention relates to a pipe sheet type hard rock tunneling machine, which comprises: a cutter head, an arc-shaped cutter, a hard rock pipe-oriented cutting surface, a cutter head central functional area, a core rock core taking hole, a segment core gravel channel, a core rock splitting hole, a segment transverse cutting saw, a hard rock core, a segment positioning hole, a hard rock longitudinal cutting surface, an arc-shaped cutter body, a slag discharge ditch between the cutter bodies, a hard rock slag cutting slag collection groove, a segment core discharge system, a water mill drilling machine, a core rock splitter, a segment cutting power, a cooling water pipeline, a slag discharge system, a rock barrel longitudinal cutting saw, a slurry pipeline, a support protection system, a direction-adjusting step-changing system, a cutter head propulsion system, a cutter head rotation system, a segment longitudinal cutting system, a segment transverse cutting system, a pipe-oriented cutting rock barrel system, a hard rock pipe segment, a segment core coordinating machine, a rock core splitting system, a power central joint, a cutter head central area advancing and retreating power, a segment core gravel discharge system and a segment installation system, section of jurisdiction location tunnelling advancing system, installation section of jurisdiction block map, section of jurisdiction tubulation is to the shape picture, section of jurisdiction mortise-tenon fourth of the twelve earthly branches structure picture, the vertical shape picture of section of jurisdiction, section of jurisdiction lining cutting composition, low pressure power pipeline, low voltage cable, power cable, unnecessary section of jurisdiction rubble discharge passageway, lubricated mud pipeline, reinforcement slip casting pipeline, cooling water pipeline, the stone sediment mud discharge pipeline, reinforcing section of jurisdiction mould, hard rock reinforcing composite segment, combined material gets into the passageway, reserve passageway, detect the composite segment, qualified composite segment, synthesize the shared channel, accomplish hard rock engineering tunnelling hard rock segment jointly and draw.
A tube-sheet type hard rock heading machine comprises: the cutter head is used for excavating hard rock to manufacture a duct piece; the front end of the cutter head is provided with a plurality of layers of arc-shaped cutters to divide the engineering mining space hard rock into a plurality of layers of rock cylinders; a plurality of cutting saws are arranged between the rock cylinders at the front end of the cutter head to longitudinally cut the rock cylinders at each layer into a plurality of segments; the center of the cutter head is provided with a water mill drill for drilling a core splitting hole and a core taking hole; a splitter is arranged at the center of the cutter head, enters the core splitting hole to split the core and takes out the core; a waterproof ring is arranged between the central area of the cutter head and the independent functional area of the central area of the cutter head and is used for preventing water burst and cooling water overflow of the excavation area; the core is discharged out of the tunneling area through a pipe piece core discharge system and a discharge channel arranged at the rear end of the cutter head; a cutting saw is arranged at the front end of the central functional area of the cutter head to transversely cut each layer of hard rock segment and separate the hard rock segment from the hard rock matrix; a segment core discharging system and a discharging channel are arranged at the rear end of the cutter head of the segment of the hard rock matrix segment to discharge a tunneling area; the outer discharge channel is provided with a double-layer dock type waterproof gate, the waterproof gate is opened before the segment cores enter the outer discharge channel and then closed, the segment cores enter the outer discharge channel of the segment cores, the waterproof gate is opened after the waterproof gate is closed, and the waterproof gate is used for digging into a region to gush water or cooling water to overflow; the back end of the segment cutter head is provided with a cooling cement slurry rock slag inlet and outlet channel for the inlet of cooling water and slurry and the discharge of rock slag and waste slurry; the tail end of the pipe type hard rock heading machine is provided with a hard rock pipe piece composite system and a hard rock composite pipe piece detection system, and the hard rock pipe piece composite system and the hard rock composite pipe piece detection system are used for reinforcing the hard rock pipe piece and detecting the hard rock composite pipe piece; the duct piece type hard rock tunneling machine is provided with a duct piece returning installation system; the hard rock composite pipe piece is returned to the wall of the lining excavation space of the mounting system after detection; the cutter head is provided with a driving system for driving the cutter head to rotate and is driven by the whole propelling and supporting protection system of the heading machine; the pipe-type hard rock tunneling machine is provided with a power system for providing power for the integral driving of the tunneling machine; the pipe piece type hard rock tunneling machine is provided with a grouting waterproof system for reinforcing and waterproofing the outside of the pipe piece after installation by high-pressure grouting and comprehensively waterproofing the inside of the pipe piece; the construction space pipe wall of the segment type hard rock heading machine is lined with more residual segments, and the residual segments can be directly sold or enhanced and compounded for sale during the construction period and after the construction is finished;
a tube-sheet type hard rock tunneling machine comprising: the cutter head cuts the rock cylinder: the front end of the cutter head is provided with a plurality of layers of arc-shaped cutters for cutting the hard rock in the engineering mining space into a plurality of layers of hard rock cylinders;
a longitudinal segment cutting method of a segment type hard rock tunnel boring machine comprises the following steps: a plurality of longitudinal cutting saws are arranged between the rock cylinders at the front end of the cutter head to longitudinally cut the hard rock between the rock cylinders into a plurality of segments;
a core is got to slice formula hard rock entry driving machine: a core splitting hole and a core taking hole are drilled by a water mill drill in the center of the cutter head; a splitter is arranged at the center of the cutter head, enters the core splitting hole to split the core and takes out the core;
a slice type hard rock heading machine discharges rock cores: the rear end of the rock core passing through the cutter head is provided with a tube piece rock core discharging system and a channel, and the taken out rock core is discharged out of the tunneling area under the action of the tube piece rock core discharging system;
a tube sheet type hard rock heading machine separation tube sheet comprises: the front end of the central functional area of the cutter head is provided with a plurality of layers of rock cylinder cutting saws for transversely cutting a plurality of layers of hard rock pipe pieces and separating the hard rock pipe pieces from the hard rock matrix;
a segment type hard rock heading machine discharge segment: the duct piece is provided with a duct piece core discharging system and a channel through the lower end of the cutter head, and the separated duct pieces are discharged out of a tunneling area under the action of the duct piece core discharging system;
a pipe-type hard rock heading machine cooling cement paste rock slag entering and discharging system comprises: the rear end of the cutter head is provided with a cooling cement slurry rock slag channel for feeding cooling water to inject slurry under high pressure and discharging rock slag and waste slurry;
hard rock engineering reality case: ganzhou hard rock drainage ditch is used for thousands of years; the hard rock construction of Zhao State bridge has been for 1400 years; the engraved animal scene of the Turkey temple in 12000 years is clear and visible; rock circles make up the crust for 46 hundred million years; the hard rock pipe piece comes from the rock ring and has the same service life as the rock ring; the service life of the tunnel built by the segment type hard rock tunneling machine technology is guaranteed to be 1000 years at least.
A pipe piece detection system of a pipe piece type hard rock heading machine comprises: after the hard rock reinforced composite material pipe piece is manufactured, detecting the hard rock reinforced composite material pipe piece by a pipe piece detecting system, and after the hard rock reinforced composite material pipe piece is detected to be qualified, manufacturing the hard rock reinforced composite material pipe piece;
a pipe piece type hard rock heading machine pipe piece return system comprises: the segment return system returns the manufactured composite material segment to a segment installation system in an excavation area for waiting for installation;
a pipe piece type hard rock heading machine pipe piece mounting system: the segment mounting system is used for lining the composite segment on the wall of the excavation space to a whole ring, and then the next ring of excavation construction is carried out;
a tube-sheet type hard rock heading machine driving system comprises: the driving system drives the cutter head to rotate to cut hard rock, segment the duct piece, integrally move forward in steps of the tunneling machine, support protection, grouting and waterproofing and the like;
a tube sheet type hard rock tunnel boring machine power system comprises: the system provides power for the integral tunneling drive;
a sheet-like hard rock entry driving machine slip casting is waterproof: the system is characterized in that after installation, high-pressure grouting reinforcement and water prevention are carried out between the pipe piece and the pipe wall, and omnibearing reinforcement and water prevention are carried out inside the pipe gallery tunnel;
the utility model provides a tube sheet formula hard rock entry driving machine which characterized by: the cutter head, the central functional area of the cutter head, a control system and the like have respective independent operation capacity;
the utility model provides a tube sheet formula hard rock entry driving machine which characterized by: the hard rock engineering tunnels space lining segments, and all segments come from hard rock reinforced composite material segments manufactured by the tunneller by utilizing tunneled space extraction resources;
the utility model provides a remaining hard rock section of jurisdiction formula hard rock entry driving machine quantity: taking a tunnel with an outer diameter of 7 meters as an example, 4 hard rock pipe pieces with the outer diameters of 3-6 meters and various specifications are left except for self-mining and self-use of the tunnel lining of the tunnel.
A pipe sheet type hard rock heading machine is characterized in that a large number of residual pipe sheets are arranged behind a lining pipe wall, and the residual pipe sheets can be directly sold at any time according to the progress or enhanced to be hard rock composite pipe sheets for sale;
the utility model provides a tube sheet formula hard rock entry driving machine which characterized by: the residual segment is sold directly or the composite segment is enhanced, so that the investment of the engineering main body can be reduced.
A pipe-piece type hard rock tunneling machine is particularly suitable for hard rock rail transit, subway, hydropower, underground pipe galleries, underground military facilities and submarine tunnel construction;
the utility model provides a tube sheet formula hard rock entry driving machine which characterized by: when the geological conditions of the hard rock are good, the engineering tunneling progress, the utilization rate of hard rock resources and the extraction rate of hard rock segments can be greatly improved;
a pipe piece type hard rock heading machine utilizes self-mining hard rock pipe pieces: the hard rock segment is utilized to comprise all hard rock segments which are extracted in a required tunneling space in a rock ring of the tunneling engineering.
A hard rock segment reinforced composite material of a segment type hard rock heading machine comprises: the duct piece reinforced composite material comprises basalt fibers, glass fibers and bamboo fibers.
The novelty of the invention is: in the prior art, the cutting rate of the full section is 100 percent and is discharged outside building garbage; the cutting rate of the pipe-type heading machine is 10%, the resource utilization rate is 80%, and the same invention and creation are not available at present.
The creativity of the invention is as follows: in the prior art, concrete pipe pieces need to be purchased for expenditure in an earth pressure balance type, a muddy water balance type, a hard rock tunneling type and an open cut tunneling type; no income for sales segment can be obtained; the method utilizes the tunneling space resources to manufacture the hard rock reinforced composite segment lining tunneling space tube wall, has no segment purchasing expenditure, can directly sell a plurality of mining segments or enhance the sales of the composite segment and also has income which can reduce a part of engineering investment, and has substantive characteristics and progress compared with the existing hard rock engineering tunneling technology.
The practicability of the invention is: the prior art purchases the contrast of concrete segment and the compound section of jurisdiction of hard rock reinforcing: the compressive strength of the concrete is 30-60 MPa, the tensile strength of the steel bar is 0.9GPa, and the design service life of the duct piece is 100 years; the compressive strength of the hard rock is 110-245 MPa, the tensile strength of the fiber is 3.5GPa, and the design service life of the duct piece is 1000 years; the compression strength of the hard rock composite material pipe piece is 3 times that of concrete, the tensile strength of basalt fiber is 3 times that of steel bars, the hard rock reinforced composite material pipe piece never rusts, is waterproof, fireproof, anticorrosive, insulating, acid-base-resistant and antioxidant, and can be manufactured by adopting a mold; the pipe-type heading machine has the beneficial effects that: all the rock wall lining hard rock reinforced composite material pipe pieces of the tunneling space come from the tunneling space; the wave-transparent characteristic of the basalt fiber reduces the risk of war damage which may occur in the future, and improves the safety and reliability of normal use of the pipe gallery tunnel under complex conditions. With the contrast of current shield structure technical reinforced concrete section of jurisdiction: the cutting amount of hard rock of the tunnel of the pipe gallery constructed by the technology is small; the method has the advantages of high resource utilization rate, small environmental influence, low tunneling cost, high tunneling speed, low tunneling cost and long service life of the pipe gallery tunnel.
Hard rock engineering reality case: the Ganzhou hard rock drainage ditch is approved by Likeqiang general theory for thousands of years; the hard rock construction of Zhao State bridge has been for 1400 years; the engraved animal scene of the Turkey temple in 12000 years is clear and visible; the rock circles constitute the crust for 46 hundred million years; the hard rock pipe piece comes from the rock ring and has the same service life as the rock ring; the service life of the pipe gallery tunnel built by the pipe-type hard rock heading machine technology is guaranteed to be 1000 years at least.
Drawings
FIG. 1 is a front view of a cutterhead of a tube-type hard rock tunnel boring machine according to the present invention; FIG. 2 is a left side elevational view of the hard rock pipe header of FIG. 1; FIG. 3 is a schematic cross-sectional view of FIGS. 1 and 2; figure 1 figure 2 figure 3 shows schematically the shape and configuration of the front and sides of the heading machine of the present invention; in the drawings, a plurality of parts which are the same in the same position are marked with a single expression; the individual components of the different parts are represented schematically one by one.
FIG. 4 is a front view of a segment assembly of a tunneling engineering of the segment type hard rock tunneling machine; fig. 5 is a left side view of the assembled duct piece shown in fig. 4, and fig. 4 and 5 schematically mark the mortise and tenon shape and structure of the front view of the assembled duct piece and the shape and structure of the side left side view of the assembled duct piece which are mutually pressed and locked.
FIG. 6 is a schematic view of a tube sheet type hard rock excavator hydroelectric and tube sheet outward transport channel of the present invention; fig. 7 is a schematic flow diagram of a hard rock segment reinforced composite segment of the hard rock segment heading machine shown in fig. 6; fig. 6 and 7 schematically mark a pipe sheet type hard rock heading machine feeding and discharging system and a reinforced composite pipe sheet system.
Fig. 8 is a picture of a hard rock segment pipe gallery in a real object, which proves that the hard rock composite segment can build the pipe gallery.
Fig. 9 is a diagram of an underground drainage system constructed by adopting natural hard rock materials in Jiangxi province 1000 years ago, and the service life of the natural hard rock reinforced composite material pipe gallery tunnel can still be used in the Zhanxi province for 1000 years.
Fig. 10 is a network diagram of the natural hard rock buildings of the Hebei Zhao state, and 1400 years of history of the natural hard rock buildings of the Zhao state are still stand, and the service life of the natural hard rock building pipe gallery tunnel of the invention is proved to be 1000 years at least.
FIG. 11 is a view of a portion of a temple of Turkey, Ge, Bei and G; FIG. 13 is a close-up view of FIG. 12; figure 12 in fig. 12 the Turkish Mebeckmy temple of Turkish in 12000 years of history of construction, more than ten thousand years of construction stone carving on various animal details and scenes clearly visible, the evidence of the service life of the hard rock composite material tunnel is more than 1000 years.
FIG. 13 is a 46 million years net map of earth origin; FIG. 14 is a complementary view of the crust structure of FIG. 13; FIG. 13 is a diagram of FIG. 14, which shows that the crust formed by the rock ring has the same life as the crust, the hard rock comes from the rock ring and the rock ring, the hard rock pipe sheet comes from the hard rock and the hard rock, and the hard rock pipe sheet comes from the underground building of the hard rock ring material which has the same life as the hard rock and benefits the future generation once and for all.
Detailed Description
The invention is further described with reference to the accompanying drawings:
the invention relates to a pipe piece type hard rock tunneling machine, which comprises: 1 cutter head, 2 arc-shaped cutter, 3 hard rock pipe cutting section, 4 cutter head center functional area, 5 core rock core taking hole, 6 segment core gravel channel, 7 core rock splitting hole, 8 segment transverse cutting saw, 9 hard rock core, 10 segment positioning hole, 11 hard rock longitudinal cutting section, 12 arc-shaped cutter body, 13 inter-cutter body slag discharge ditch, 14 hard rock cutting slag collecting groove, 15 segment core outer discharge system, 16 water mill drilling machine, 17 core rock splitter, 18 segment power, 19 cooling water pipeline, 20 slag discharge system, 21 rock barrel longitudinal cutting saw, 22 slurry pipeline, 23 support protection system, 24 direction adjusting and step changing system, 25 cutter head propulsion system, 26 cutter head rotation system, 27 segment longitudinal cutting system, 28 segment transverse cutting system, 29 pipe cutting rock barrel system, 30 hard rock segment, 31 segment core coordinating and discharging core taking system, 32 core splitting core taking system, 33 power central joint, 34 cutter head center advancing and retreating power, 35 segment core gravel discharge system, 36 segment installation system, 37 segment positioning and tunneling propulsion system, 38 installation segment structure diagram, 39 segment pipe direction shape diagram, 40 segment tenon-and-mortise structure diagram, 41 segment longitudinal shape diagram, 42 segment lining structure diagram, 43 low-voltage power pipeline, 44 low-voltage cable, 45 power cable, 46 redundant segment gravel discharge channel, 47 lubrication slurry pipeline, 48 reinforcement grouting pipeline, 49 cooling water pipeline, 50 ballast slurry discharge pipeline, 51 reinforced segment mould, 52 hard rock reinforced composite segment, 53 composite material inlet channel, 54 standby channel, 55 detection composite material segment, 56 qualified composite material segment, 57 comprehensive shared channel, and hard rock engineering tunneling is completed together.
A pipe sheet type hard rock heading machine circumferential cutting rock tube: the front end of the cutter head 1 is connected with a plurality of layers of 2 arc-shaped cutters, and the plurality of layers of 2 arc-shaped cutters are arranged at the front parts of the cutter bodies of 12 layers of arc-shaped cutters; 13 inter-cutter slag discharge ditches are arranged among the cutter bodies of the 12 layers of arc-shaped cutters, and a plurality of 14 hard rock cutting slag collecting grooves are arranged at the rear parts of the 13 inter-cutter slag discharge ditches; the 1 blade disc rotates under 26 blade disc driving system's drive, the 1 blade disc of pivoted impels to the direction of digging by 25 blade disc propulsion systems, the 1 blade disc of rotatory impel drives a plurality of layers of 12 arc type cutter cutters and installs the 2 arc cutter ring on the cutter body under 29 pipe sheet pipes to cutting system control and cuts hard rock, the hard rock cutting sediment that a plurality of layers of 2 arc cutters cut hard rock in-process produced is discharged to cutter body rear end 14 hard rock cutting sediment collecting groove by the slag discharge ditch between a plurality of 13 cutters, the rock sediment that 14 hard rock collecting groove were collected rotates to the high point at 1 blade disc and falls into 20 slag discharge system discharge digging areas downwards to 14 hard rock cutting sediment collecting groove suitable positions with the mode of dead weight, until accomplishing a plurality of layers of 3 hard rock section of thick bamboo of circumferential cutting.
A slice type hard rock heading machine takes out a core: 1, stopping the cutter head from rotating; a 4 cutterhead center functional area is arranged in the center of the cutterhead 1, a plurality of 16 water-grinding drills are arranged to work, the water-grinding drills drill a plurality of 5 core coring holes and a plurality of 7 core splitting holes under the control of a 32 core splitting coring system, and the 7 core splitting holes split 9 hard rock cores under the control of a 17 core splitter and the 32 core splitting coring system; and the 17 core splitter takes out 9 hard rock cores under the action of the 32 core splitting coring control system, and the 9 hard rock cores are moved to a 35-segment rock core gravel discharge channel to be discharged and tunneled until the hard rock cores are taken out after the 15-segment rock core discharge system and the 31-segment rock core discharge machine work.
A segment type hard rock tunnel boring machine longitudinally cuts segments (synchronously with extracting rock cores): the cutter head stops rotating; 1 blade disc rear portion sets up the work of a plurality of 21 rock section of thick bamboo vertical slitting saws between each layer rock section of thick bamboo, the vertical slitting saw of 21 rock section of thick bamboo is under 27 vertical cutting system's of section of thick bamboo control, by the vertical cut plane position of 11 hard rock pipe pieces vertical cutting 30 hard rock pipe pieces, until accomplishing the vertical cutting of whole section of thick bamboo pieces.
A pipe piece type hard rock heading machine transversely cuts a pipe piece: the cutter head stops rotating; 1 the 8 section of jurisdiction of a plurality of sections that the central functional area of blade disc set up transversely blocks saw work, 8 the section of jurisdiction transversely blocks the saw and blocks 30 hard rock sections of jurisdiction under 18 sections of jurisdiction cut power drive and 28 sections of jurisdiction transversely block under the system control, separate with the hard rock parent until whole hard rock sections of jurisdiction, accomplish and dig hard rock sections of jurisdiction.
A segment type hard rock heading machine discharge segment: 1, stopping the cutter head from rotating; and 1, arranging a 31-segment rock core co-discharging machine at the rear part of the cutter head to work, and discharging 30 hard rock segments separated from the hard rock barrel out of a driving area through a 35-segment rock core gravel discharge channel under the action of the 31-segment rock core co-discharging machine until each ring of hard rock driving, hard rock segment mining and hard rock segment conveying are completed.
A segment type hard rock heading machine segment classification: and the hard rock duct pieces are transferred into a reinforced composite channel by a classification system according to the required specification of the lining, and redundant duct pieces are transported out of the excavation region for straight pin or are sold after reinforced composite.
A pipe sheet type hard rock heading machine pipe sheet compounding method comprises the following steps: the hard rock reinforced composite material pipe piece required by self-service lining is manufactured by a hard rock pipe piece die arranged at the rear part of the development machine, and the outsourcing pipe piece cost and the external transportation cost are avoided.
A pipe piece type hard rock heading machine detection pipe piece: and detecting the hard rock reinforced composite material pipe piece by detecting equipment arranged at the rear part of the tunneling machine, and returning the qualified pipe piece to the shield mining working surface for preparing lining installation.
A pipe piece type hard rock heading machine pipe piece installation: after the hard rock composite material pipe piece is detected to be qualified, lining is carried out on the pipe wall of the tunneling space by the pipe piece installation system until all the reinforced composite material pipe pieces are installed.
The engineering of the tube-sheet type hard rock heading machine is waterproof: the hard rock reinforced composite pipe piece is used for performing high-pressure grouting on the outside of the engineering and performing whole all-dimensional waterproof operation on the inside of the engineering after the pipe gallery tunnel is installed.
A tube sheet type hard rock tunnel boring machine power system comprises: the development of the development machine is advanced, the protection is supported, the development is waterproof, the transportation inside and outside the duct piece, the composite installation is strengthened, the grouting is waterproof, the power of the equipment and all hydraulic pressure are preferred.
A tube sheet type hard rock heading machine control system: all the equipment for controlling propulsion, support, mining, waterproofing and the like is automatically controlled by a control system to be manually monitored, and the double-insurance construction is manually intervened under special conditions.
A cooling system of a tube-sheet type hard rock heading machine comprises: and in the cutter head cutting process, the cooling system controls cooling water to spray cooling water to each working part in all directions in the whole process so as to cool all cutter head cutters and drilling tools in operation.
A central area of a tube-sheet type hard rock heading machine is waterproof: waterproof systems are arranged among the cutterhead, the central functional area of the cutterhead and the middle cutterhead and are used for preventing underground water burst of the excavation area and overflow of excavation cooling water;
a section of jurisdiction rock core of section of jurisdiction formula hard rock entry driving machine is arranged outward the passageway waterproof: the outer discharge channel is provided with a double-layer dock type waterproof gate, the waterproof gate is opened before the segment core enters the outer discharge channel and then closed, the segment core enters the middle of the outer discharge channel, and the waterproof gate is opened before the segment core enters the middle of the outer discharge channel and then closed, so that the water burst cooling water can not overflow all the time;
a system is accepted in engineering stage of section of pipe formula hard rock entry driving machine: and (4) detecting the omnibearing quality of the engineering after the grouting is carried out on the outer part of the tunnel pipe gallery engineering and the inner part is waterproof, and entering the next working cycle after the quality is qualified until the whole tunneling engineering is completely finished.
Claims (8)
1. The invention relates to a pipe piece type hard rock tunneling machine which is characterized in that: the method comprises the following steps: the cutter head is used for engineering tunneling and preparation of hard rock duct pieces; the cutter head is provided with a plurality of layers of arc-shaped cutters which push the hard rock to be cut in the annular direction under the control of a cutter head power system, rock slag generated by cutting the hard rock is discharged to a rock slag collecting groove at the rear end of the cutter body through a slag discharge groove between the cutter bodies, and the rock slag collected by the slag collecting groove falls into a spiral slag discharge pipeline from weight to a proper position and is discharged out of an excavation area until the annular cutting of a rock cylinder is completed after the cutter head rotates to the highest point; the independent function area in the center of the cutter head is provided with a plurality of water mill drills for drilling a plurality of core coring holes and core splitting holes, the core splitting holes enter a core splitter for splitting, cores are taken out and retreat to the rear part of a core channel, and the taken cores are discharged out of the tunneling area under the action of the co-displacement machine; the rear end of the cutter disc is provided with a plurality of longitudinal cutting saws for longitudinally cutting the rock cylinder into segments under the control of a cutting system; the front end of the power functional area of the central cutter head is provided with a plurality of segment transverse cutting saws which are used for transversely cutting hard rock segments and separating the hard rock segments from hard rock bodies under the control of a segment transverse cutting system; the pipe piece and rock mass separating pipe piece is discharged out of the mining area through a pipe piece rock core gravel discharge channel under the action of a pipe piece rock core arranging machine; a duct piece reinforcing system is arranged at the rear part of the excavation area, basalt fiber reinforced duct pieces are adopted as hard rock composite duct pieces, and the composite duct piece transporting system is transported back to the excavation area to wait for installation; the excavation area is provided with a duct piece installation system for lining and installing composite duct pieces on the wall of the excavation space, and the grouting system performs high-pressure grouting and waterproofing on the outer part of the duct wall and performs omnibearing waterproofing on the inner part of the duct wall after the duct pieces are installed; and the tunneling area is provided with a detection system for completing the process of the last ring after the all-round detection of the tunneling pipe gallery tunnel is qualified.
2. The tube-sheet type hard rock tunneling machine according to claim 1, characterized in that: all systems such as the working process of the cutter head and the central independent functional area of the cutter head, power control and the like are suitable for independent operation.
3. The tube-sheet type hard rock tunneling machine according to claim 1, characterized in that: hydraulic power is preferentially adopted in the excavation region, and electric power and hydraulic combined power is adopted outside the excavation region.
4. The tube-sheet type hard rock tunneling machine according to claim 1, characterized in that: the self-mining hard rock segment comprises all hard rock segments which are mined in a required tunneling space in a rock ring of a tunneling engineering.
5. The tube-sheet type hard rock tunneling machine according to claim 1, characterized in that: the hard rock pipe piece comprises all natural hard rocks, and the reinforcing material comprises basalt fibers, glass fibers and bamboo fibers.
6. The tube-sheet type hard rock tunneling machine according to claim 1, characterized in that: the hard rock reinforced composite material duct piece is manufactured on a rear die of the hard rock duct piece type heading machine, and no duct piece is purchased and the long-distance transportation cost is saved.
7. The tube-sheet type hard rock tunneling machine according to claim 1, characterized in that: the hard rock pipe pieces extracted from the tunneling space of the geological region are more, the cutting amount of the tunneling machine is small, the progress is fast, and no large amount of building waste is discharged.
8. The tube-sheet type hard rock tunneling machine according to claim 1, characterized in that: the residual segment of the tunneling space lining can be directly sold or the sale of the segment made of the composite material is enhanced, the expenditure of the construction waste discharge is changed from the cutting of the hard rock resources in the prior shield technology, and the income of the segment sale made of the hard rock resources is changed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010341016.4A CN111622769A (en) | 2020-04-24 | 2020-04-24 | Pipe piece type hard rock tunneling machine |
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| CN202010341016.4A CN111622769A (en) | 2020-04-24 | 2020-04-24 | Pipe piece type hard rock tunneling machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605910A (en) * | 2021-08-25 | 2021-11-05 | 中国铁建重工集团股份有限公司 | Full-rotation construction equipment and construction method for communication channel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605910A (en) * | 2021-08-25 | 2021-11-05 | 中国铁建重工集团股份有限公司 | Full-rotation construction equipment and construction method for communication channel |
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