CN116201563B - Rapid soil discharging and feeding method for lateral vertical shaft of transverse passage for shield construction - Google Patents
Rapid soil discharging and feeding method for lateral vertical shaft of transverse passage for shield construction Download PDFInfo
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- CN116201563B CN116201563B CN202310466996.4A CN202310466996A CN116201563B CN 116201563 B CN116201563 B CN 116201563B CN 202310466996 A CN202310466996 A CN 202310466996A CN 116201563 B CN116201563 B CN 116201563B
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- 239000002689 soil Substances 0.000 title claims abstract description 76
- 238000010276 construction Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000007599 discharging Methods 0.000 title claims abstract description 20
- 238000009412 basement excavation Methods 0.000 claims abstract description 79
- 239000002002 slurry Substances 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims description 54
- 238000004891 communication Methods 0.000 claims description 37
- 230000005641 tunneling Effects 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 21
- 239000002893 slag Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000001502 supplementing effect Effects 0.000 abstract description 2
- 230000032258 transport Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C17/00—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
- B66C17/06—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes
- B66C17/26—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes combined with auxiliary apparatus, e.g. log saws, pushers for unloading vehicles, means for shunting railway vehicles
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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
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
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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
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
-
- 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
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
-
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
A rapid discharging and feeding method for a lateral vertical shaft of a transverse passage for shield construction comprises the steps of constructing a tunnel, constructing an auxiliary vertical shaft of the lateral of the shield, constructing a hidden excavation transverse passage, erecting a large gantry crane, arranging a bridge crane, in a discharging stage, loading dregs on each loading device on a marshalling train to discharge through the crane, and in a feeding stage, feeding each loading device or loading position on the ground on the marshalling train through the crane. According to the invention, the double-beam bridge crane in the transverse passage is utilized to hoist the soil bucket and the slurry truck in the marshalling train to the shaft mouth, the ground large-sized gantry crane is connected with the soil discharging and slurry supplementing, and the double-beam bridge crane in the transverse passage and the ground large-sized gantry crane can be matched to complete the lifting of the segment, the slurry truck and the empty soil bucket, so that the requirements of a construction method for rapid soil discharging and feeding of the shield originating from the shaft beside the underground excavation transverse passage for shield construction are met.
Description
Technical Field
The invention belongs to the field of shield tunnel construction, and particularly relates to a construction method for quick soil discharge and feeding of a vertical shaft beside a hidden excavation transverse passage for shield construction.
Background
Under the high-speed development of shield construction technology, shield tunnel engineering construction is increasingly increased, and tunnel construction environments are also increasingly complex. When the shield method is used for construction, a shield starting vertical shaft is generally arranged along a tunnel construction line, and the blanking and the soil discharging are completed. However, when a shield tunnel is built in a busy urban area or under severe ground conditions, a hidden excavation method is often adopted in the engineering connected with the shield tunnel, and a construction vertical shaft cannot be arranged in an opening right above the tunnel. In the field of shield tunnel construction, in order to solve the problem that a construction vertical shaft cannot be arranged right above a tunnel and the problems of soil discharge and feeding are completed, a traditional construction method is to arrange the construction vertical shaft under proper conditions on two sides of the tunnel, and to arrange a winch in a transverse passage to complete the soil discharge and feeding in the tunneling process of the shield tunnel. Although the method can realize the unearthing and feeding of the shield side construction vertical shaft, the traditional winch is utilized to translate and transport the train to form the group, the transport capacity is limited, and the construction efficiency is lower.
Currently, a construction method for achieving rapid soil discharge and feeding by reasonably utilizing a transverse channel is lacking aiming at the construction method for side soil discharge of a shield tunnel.
Disclosure of Invention
The invention aims to provide a rapid discharging and feeding method for a lateral vertical shaft of a transverse passage for shield construction, which aims to solve the technical problems that when a shield tunnel is constructed in a busy urban area or under severe ground conditions, a reserved hoisting opening of the tunnel cannot be reserved right above the tunnel, the lateral construction vertical shaft of the shield is used for discharging and feeding, and a winch arranged in the transverse passage is matched for translational transportation of train marshalling, so that the whole transportation capacity is limited, and the construction efficiency is low.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a lateral vertical shaft rapid unearthing and feeding method for shield construction comprises the following construction steps:
firstly, constructing a tunnel by adopting a shield method, wherein a longitudinal tunneling section of the tunnel comprises a constructed underground excavation section and a shield section to be constructed; the shield host is positioned in the underground excavation section, and the marshalling train longitudinally reciprocates between the underground excavation section and the shield section;
constructing a shield side auxiliary shaft, wherein the shield side auxiliary shaft is positioned above a to-be-excavated underground excavation transverse passage, and the wellhead of the shield side auxiliary shaft is a soil outlet feed inlet;
constructing a hidden excavation transverse channel, wherein the hidden excavation transverse channel is arranged on one side of stratum at two lateral sides of a longitudinal tunneling section, and one end of the hidden excavation transverse channel is communicated with the longitudinal tunneling section; the underground excavation transverse channel is transversely arranged at the junction of the shield interval section and the underground excavation interval section, and the other end of the underground excavation transverse channel is communicated with the auxiliary vertical shaft at the side of the shield;
step four, selecting a double-beam bridge crane capable of hoisting each loading device according to the standard of the bridge crane, and determining each component and equipment model of the double-beam bridge crane;
step five, erecting a large gantry crane on the ground, and lowering each component member and equipment of the double-beam bridge crane through an auxiliary shaft beside the shield;
the method comprises the steps that six, the layout of a double-beam bridge crane is completed in a hidden excavation section and a hidden excavation transverse channel, the double-beam bridge crane comprises a crane support frame, a bridge frame, a trolley travelling rail, a trolley travelling mechanism, a trolley travelling rail, a trolley and control equipment, the crane support frame is arranged in the hidden excavation transverse channel in a through length mode, the length of the crane support frame is from the projection position of an auxiliary vertical shaft at the side of a shield to the junction with a longitudinal tunneling section, the height of the crane support frame is the upper space of a grouping train, the trolley travelling rail is arranged along the upper side of the crane support frame in a through length mode, two ends of the bridge frame longitudinally slide along the trolley travelling rail in the hidden excavation transverse channel, the trolley travelling rail is arranged along the upper side of the bridge frame in a through length mode and is perpendicular to the trolley travelling rail, the control equipment controls the movement position of the trolley travelling mechanism on the trolley travelling rail, the control equipment also controls the trolley travelling rail to move on the trolley travelling rail, and the construction condition of each member on the bridge travelling rail is guaranteed, and the double-beam crane is normally constructed;
step seven, in the soil discharging stage, slag soil is loaded on each loading device on the marshalling train:
the method comprises the steps that a marshalling train runs from a shield section to a underground excavation section, each section of the marshalling train is sequentially suspended at a communication port of the shield section and an underground excavation transverse channel, namely, the marshalling train is suspended when passing through a position below the projection of a crane supporting frame, an operation control device controls a cart running mechanism and a crane trolley, the crane trolley runs over against each carrying device on the marshalling train, and then each carrying device is sequentially lifted off the marshalling train; then operating the control equipment to control the cart running mechanism, conveying the material carrying device to the projection position of the auxiliary vertical shaft at the side of the shield, lifting the material carrying device and the lifting trolley by a large-sized gantry crane after unhooking, lifting the material carrying device along the auxiliary vertical shaft at the side of the shield to the ground, and sequentially moving one car section by a marshalling train every time when the material carrying device is discharged until the soil discharge of all the material carrying devices is completed;
step eight, in the feeding stage, each loading device or loading level on the grouping train is positioned on the ground:
the method comprises the steps of enabling a marshalling train to run from a hidden digging section to a shield section, enabling all sections of the marshalling train to be sequentially stopped at a communication port of the shield section and a hidden digging transverse channel, namely, suspending the marshalling train when passing through a position below a projection position of a crane supporting frame, operating control equipment, controlling a cart running mechanism and a crane trolley, enabling the crane trolley to run and sequentially face to the projection position of an auxiliary vertical shaft at the side of the shield, then hanging a loading device or loading material to a vertical shaft port through a large-sized ground gantry crane, descending the auxiliary vertical shaft at the side of the shield to the hidden digging channel, connecting the loading device or loading material with the crane trolley, then controlling the cart running mechanism, sequentially conveying the loading device or the loading material to each section above the marshalling train for unloading, sequentially moving one loading device or loading material every feeding material, and enabling the marshalling train to sequentially move one section until feeding of all loading devices or loading materials is completed.
Step nine, after the steps of discharging and feeding the marshalling train are completed, driving the battery truck to pull the marshalling train to a shield host machine in tunneling so as to take over the subsequent shield tunnel construction.
The crane supporting frame comprises two rows of supporting columns which are arranged at intervals, crown beams which are fixedly connected with the tops of the supporting columns, and a supporting beam which is fixedly connected between the side wall of the crown beam and the inner wall of the underground excavation transverse channel, and the travelling rail of the cart is fixedly connected with the upper side of the crown beam along the whole length of the crown beam.
The support beams are fixedly connected to one side of the crown beam, which is close to the inner wall of the underground excavation transverse passage, the arrangement positions of the support beams on the crown beam correspond to the arrangement positions of the support columns one by one, each support beam comprises a side wall support beam and a front end support beam, the two ends of each side wall support beam are respectively connected with the left side and the right side of the crown beam and the inner wall of the left side and the right side of the underground excavation transverse passage, and each front end support beam is formed by extending the front end of the crown beam forwards and is connected with the inner wall of the front side of the underground excavation transverse passage.
The bridge frame is a square frame and comprises two short beams and long beams, wherein the two short beams are respectively arranged along the cart running rail in the forward direction, the long beams are perpendicularly connected with two ends of the short beams, cart running mechanisms are respectively arranged at two ends of the bottom of the short beams, the cart running mechanisms slide on the cart running rail, and the cart running rail is in the through length along the long beams and is fixedly connected with the upper sides of the long beams.
And the trolley is provided with rotating bearings capable of adjusting different hoisting angles.
Each section of the marshalling train sequentially comprises a duct piece loading vehicle, a slurry loading vehicle and a muck loading vehicle formed by arranging a soil bucket on a muck vehicle chassis from front to back along the tunneling direction, the marshalling train is pulled to a communication port of a shield section and a hidden excavation transverse channel through a storage battery vehicle at the tail of the marshalling train, the loading device is the duct piece loading vehicle, the slurry loading vehicle or the soil bucket, and the loading material is duct piece or slurry.
In the seventh step, a first soil bucket at the tail part of the marshalling train is conveyed to a communication port, then a large-scale running mechanism and a lifting trolley are moved to the communication port to lift the first soil bucket on the lifting trolley, and finally the first soil bucket is lifted to the ground through a large-scale gantry crane and the residue soil is emptied to leave the soil bucket;
the marshalling train is moved by one section, namely a second soil bucket at the tail part is transported to the communicating port, then the large-scale running mechanism and the lifting trolley are moved back to the communicating port to lift the second soil bucket on the lifting trolley, then the second muck is lifted to the ground through the large-scale gantry crane and the muck is emptied to leave the soil bucket, then the section is moved again, and all the soil buckets are successively lifted to the ground and the muck is emptied to leave the soil bucket.
In the eighth step, a segment loading vehicle which is a first segment at the head of the marshalling train and is used for loading segments to be installed is conveyed to a communication port, then a large-scale vehicle running mechanism and a lifting trolley are moved to a vertical shaft port position, segments on the ground are lifted to the lifting trolley through a large-scale portal crane, then the large-scale vehicle running mechanism, the lifting trolley and the segments are moved back to the communication port, and the segments are placed on the first segment loading vehicle;
moving a marshalling train to a car section, namely a second pipe piece loading car at the head, conveying the car section to a communication port, then moving a large car running mechanism and a lifting trolley to a vertical shaft port position, continuously lifting pipe pieces on the ground to the lifting trolley through a large gantry crane, then moving the large car running mechanism, the lifting trolley and the pipe pieces back to the communication port, placing the pipe pieces on the second pipe piece loading car, and finishing feeding of all the pipe pieces;
the method comprises the steps of moving a marshalling train to a train section, namely, transporting the train section of a slurry loading truck to be installed to a communication port, then moving a large-scale truck running mechanism and a lifting trolley to a vertical shaft port, lifting the slurry loading truck fully loaded with slurry on the ground to the lifting trolley through a large-scale gantry crane, then moving the large-scale truck running mechanism, the lifting trolley and the slurry loading truck back to the communication port, and placing the slurry loading truck on the marshalling train to finish slurry feeding;
the marshalling train is moved by one car section, namely the car section of the soil bucket group to be installed, is transported to the communicating port, then the large car running mechanism and the lifting trolley are moved to the vertical shaft port, the soil bucket emptied on the ground is lifted to the lifting trolley through the large gantry crane, then the large car running mechanism, the lifting trolley and the slurry loading trolley are moved back until reaching the communicating port, the soil bucket is placed on the chassis of the muck car, and the installation is completed.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
the invention relates to a rapid earth discharging and feeding method for a lateral vertical shaft of a transverse passage for shield construction.
The invention solves the technical problems that a reserved hoisting port of a tunnel cannot be reserved right above the tunnel, a winch arranged in a transverse passage translates and transports a train to form a group when a vertical shaft is constructed beside a shield to carry out soil discharge and feeding, the horizontal transportation of an auxiliary tunnel is difficult, the whole transportation capacity is limited, and the construction efficiency is lower, can utilize a double-beam bridge crane in the transverse passage to hoist a soil bucket and a slurry truck in the grouped train to the vertical shaft port, and the ground large-sized gantry crane is connected with the soil discharge and the slurry supplementing, and can complete the hoisting and the discharging of a segment, the slurry truck and an empty soil bucket by the cooperation of the ground large-sized gantry crane and the double-beam bridge crane in the transverse passage.
The invention is also applicable under the construction condition that the transverse passage is not vertical to the tunnel line, and when the transverse passage is used for tunneling the line in the oblique tunnel, the lifting hook can be rotated by the lifting trolley on the double-beam bridge crane through the rotating bearing, so that the lifting is realized.
The double-beam bridge crane provided by the invention adopts a double-beam structure, can achieve the rated lifting weight of more than 50t, can hoist the filled soil bucket, filled slurry car and pipe piece in the marshalling train, and can meet the requirements of a method for rapid discharging and feeding construction of a vertical shaft originating shield beside a hidden excavation transverse passage for shield construction.
Drawings
The invention is described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic layout of a side shield auxiliary shaft.
Fig. 2 is a schematic view of the interior of a tunnel and a lateral.
Fig. 3 is an enlarged view of the structure of the double-girder bridge crane.
FIG. 4 is a schematic view of the muck loading truck with the muck bucket not yet detached.
Fig. 5 is a schematic view of a muck loading truck with a muck bucket transported to a hoistway.
Fig. 6 is a schematic view of a segment being lifted to a hoistway.
Fig. 7 is a schematic view of a tube sheet being transported to a tube sheet loading vehicle position.
Fig. 8 is a schematic view of a slurry loading truck suspended to a hoistway.
Fig. 9 is a schematic diagram of a slurry loading truck being transported to a consist train location.
Fig. 10 is a schematic view of the emptied muck loading truck hanging to the hoistway.
FIG. 11 is a schematic illustration of the emptied muck loading truck being transported to the muck loading truck location.
Reference numerals: 1-underground excavation interval section, 2-shield interval section, 3-underground excavation transverse passage, 4-shield side auxiliary vertical shaft, 5-crane supporting frame, 51-supporting column, 52-crown beam, 53-supporting beam, 531-side wall supporting beam, 532-front end supporting beam, 6-bridge frame, 61-short beam, 62-long beam, 7-cart running rail, 8-cart running mechanism, 9-cart running rail, 10-lifting cart, 11-rotating bearing, 12-segment loading vehicle, 13-slurry loading vehicle, 14-slag car chassis, 15-slag loading vehicle, 16-segment, 17-battery car, 18-soil bucket, 19-shield interval section and underground excavation interval section boundary line.
Detailed Description
1-11, a method for quickly discharging and feeding lateral vertical shafts of a transverse passage for shield construction comprises the following construction steps:
firstly, constructing a tunnel by adopting a shield method, wherein a longitudinal tunneling section of the tunnel comprises a constructed underground excavation section 1 and a shield section 2 to be constructed; the shield host is located in the underground excavation section 1, and the marshalling train longitudinally reciprocates between the underground excavation section 1 and the shield section 2, and a boundary line 19 between the shield section and the underground excavation section is shown in fig. 1.
And secondly, constructing a shield side auxiliary vertical shaft 4, wherein the shield side auxiliary vertical shaft 4 is positioned above the underground excavation transverse channel 3 to be excavated, and the wellhead of the shield side auxiliary vertical shaft 4 is a soil outlet feed inlet.
Constructing a transverse underground excavation channel 3, wherein the transverse underground excavation channel 3 is arranged on one side of a stratum at two transverse sides of a longitudinal tunneling section, and one end of the transverse underground excavation channel 3 is communicated with the longitudinal tunneling section; the underground excavation transverse channel 3 is transversely arranged at the junction of the shield section 2 and the underground excavation section 1, and the other end of the underground excavation transverse channel 3 is communicated with the auxiliary vertical shaft 4 beside the shield.
Referring to fig. 1-2, in this embodiment, the tunnels are double-line tunnels that are juxtaposed, so that the shield excavation of the tunnels has two parallel longitudinal tunneling sections, and the transverse tunnel of the underground excavation also opens the double-line tunnels transversely and communicates with each other, so that the two tunnels can be simultaneously subjected to feeding and unearthing construction by subsequent bridge crane layout, and the arrow direction is the shield tunneling direction.
And step four, selecting a double-beam bridge crane capable of hoisting each loading device according to the standard of the bridge crane, and determining each component and equipment model of the double-beam bridge crane.
And fifthly, erecting a large gantry crane on the ground, and lowering each component member and equipment of the double-beam bridge crane through the shield side auxiliary vertical shaft 4.
Step six, see the figure 3 and show, accomplish the layout of double-beam bridge crane in through the underground excavation interval section 1 and the underground excavation cross channel 3, double-beam bridge crane includes hoist support frame 5, crane span 6, cart travel rail 7, cart travel mechanism 8, dolly travel rail 9, lifting trolley 10 and controlgear, hoist support frame 5 is in the underground excavation cross channel 3 logical long setting, its length is the projection position that starts to erect from shield side auxiliary shaft 4 until with vertical tunneling interval handing-over department, and the height of hoist support frame 5 is the space of guaranteeing that it spanned the marshalling train, cart travel rail 7 is along the upper side logical length setting of hoist support frame 5, the both ends of crane span 6 are along cart travel rail 7 in the vertical sliding motion of underground excavation cross channel 3, cart travel rail 9 is along the upper side logical length setting of crane travel rail 6, with cart travel rail 7 is perpendicular, lifting trolley 10 is along trolley travel rail 9 in the horizontal sliding motion of underground excavation cross channel 3, controlgear control cart travel mechanism 8 is in the overhead travel rail 7 running position control device, the crane motion of each trolley travel rail 10 is still guaranteed to the normal construction condition.
Referring to fig. 2, the crane supporting frame 5 includes two rows of supporting columns 51 arranged at intervals, a crown beam 52 fixedly connected to the top of each supporting column 51, and a supporting beam 53 fixedly connected between the side wall of the crown beam 52 and the inner wall of the underground excavation lateral passage 3, and the cart running rail 7 extends along the crown beam 52 and is fixedly connected to the upper side of the crown beam 52.
The supporting beams 53 are fixedly connected to one side of the crown beam 52, which is close to the inner wall of the underground excavation transverse channel 3, the setting positions of the supporting beams 53 on the crown beam 52 are in one-to-one correspondence with the setting positions of the supporting columns 51, the supporting beams 53 comprise side wall supporting beams 531 and front end supporting beams 532, two ends of the side wall supporting beams 531 are respectively connected with the left side and the right side of the crown beam 52 and the inner wall of the left side and the right side of the underground excavation transverse channel 3, and the front end supporting beams 532 are formed by extending forward of the front ends of the crown beam 52 and are connected with the inner wall of the front side of the underground excavation transverse channel 3.
Referring to fig. 3, the bridge 6 is a square frame, and includes two short beams 61 respectively disposed along the cart running rail 7 in a forward direction and long beams 62 vertically connected to two ends of the short beams 61, two ends of the bottom of the short beams 61 are respectively provided with a cart running mechanism 8, the cart running mechanism 8 slides on the cart running rail 7, and the cart running rail 9 is extended along the long beams 62 and fixedly connected to the upper sides of the long beams 62.
The rotary bearings 11 with different lifting angles capable of being adjusted are arranged on the trolley 10, so that different lifting angles can be conveniently rotated, and the trolley is suitable for the condition that a transverse passage is not perpendicular to a shield tunneling tunnel.
Referring to fig. 2, each section of the marshalling train sequentially comprises a segment loading truck 12, a slurry loading truck 13, a muck loading truck 15 formed by a soil bucket 18 falling on a muck truck chassis 14 and a battery truck 17 from front to back along the tunneling direction, the marshalling train is pulled to a communication port of the shield section 2 and the underground excavation transverse channel 3 by the battery truck 17 at the tail of the marshalling train, the loading device is the segment loading truck 12, the slurry loading truck 13 or the soil bucket 18, and the loading material is the segment 16 or the slurry. In this embodiment, there are four dregs loading trucks 15, and there are two duct piece loading trucks 12. Wherein the muck loading truck 15 consists of a muck truck chassis 14 and a soil bucket 18, and the muck bucket 18 is lifted and transported.
Step seven, referring to fig. 4-5, in the soil outlet stage, slag is loaded on each loading device on the marshalling train in the normal tunneling mode of the shield:
the marshalling train runs from the shield section 2 to the underground excavation section 1, so that each train section of the marshalling train is sequentially suspended at the communication port of the shield section 2 and the underground excavation transverse channel 3, namely, the marshalling train is suspended when passing through the position below the projection of the crane supporting frame 5, the operation control equipment controls the cart running mechanism 8 and the crane trolley 10, the crane trolley 10 runs over against each loading device on the marshalling train, and then the fully loaded loading devices staying in the tunnel are sequentially lifted off the marshalling train; then, the control equipment is operated to control the cart running mechanism 8 to convey the carrying device to the projection position of the auxiliary vertical shaft 4 at the side of the shield, the carrying device is lifted by a large gantry crane after unhooking with the trolley 10, the carrying device is lifted to the ground along the auxiliary vertical shaft 4 at the side of the shield, one carrying device is discharged from each time, and the marshalling train sequentially moves one section until the discharging of all the carrying devices is completed.
The construction in the seventh step is as follows, the first soil bucket 18 at the tail of the marshalling train is conveyed to the connecting port, then the large-truck running mechanism 8 and the lifting trolley 10 are moved to the connecting port to hoist the first soil bucket 18 on the lifting trolley 10, and finally the first soil bucket 18 is hoisted to the ground through the large-scale gantry crane and the dregs are emptied to leave the soil bucket 18.
The marshalling train is moved by one section, namely a second soil bucket 18 at the tail part is conveyed to a communicating port, then the large car running mechanism 8 and the lifting trolley 10 are moved back to the communicating port to lift the second soil bucket 18 on the lifting trolley 10, then the second muck is lifted to the ground through a large gantry crane and the muck is emptied to leave the soil bucket 18, then the section is moved again, and all the soil buckets 18 are sequentially lifted to the ground and the muck is emptied to leave the soil bucket 18.
Because the invention is a double-line tunnel, the soil outlet step of the tunnel close to one side of the shaft opening is firstly carried out during the soil outlet, and then the other side is carried out.
Step eight, referring to fig. 6-11, in the feeding stage, each loading device or loading level on the marshalling train is located on the ground:
the marshalling train moves from the underground excavation section 1 to the shield section 2, so that each section of the marshalling train is sequentially stopped at the communication port of the shield section 2 and the underground excavation transverse channel 3, namely, the marshalling train pauses when passing through the position below the projection of the crane supporting frame 5, the control equipment is operated, the cart running mechanism 8 and the crane 10 are controlled, the crane 10 is enabled to move and sequentially face the projection position of the shield side auxiliary shaft 4, then the loading device or the loading material is lifted to the shaft port through the ground large gantry crane, the auxiliary shaft 4 is connected with the crane 10 after being lowered to the underground excavation channel along the shield side, then the control equipment is operated to control the cart running mechanism 8, the loading device or the loading material is sequentially conveyed to each section above the marshalling train for unloading, and each loading device or loading material is sequentially moved by one section until all loading devices or loading materials are fed.
The construction in the eighth step is as follows, the segment loading trolley 12 which is the first segment of the marshalling train head and is to be installed with the loading segment 16 is transported to the communication port, then the large trolley operating mechanism 8 and the lifting trolley 10 are moved to the vertical shaft port position, the segment 16 on the ground is lifted to the lifting trolley 10 by the large gantry crane, then the large trolley operating mechanism 8, the lifting trolley 10 and the segment 16 are moved back to the communication port, and the segment 16 is placed on the first segment loading trolley 12; the tube sheet loading truck 12 is provided with a brake device to prevent the tube sheet loading truck 12 from slipping backwards.
The marshalling train is moved by one section, namely a head second pipe piece loading truck 12, to a communication port, then the large-scale truck running mechanism 8 and the lifting trolley 10 are moved to a vertical shaft port position, the pipe piece 16 on the ground is continuously lifted to the lifting trolley 10 through the large-scale portal crane, then the large-scale truck running mechanism 8, the lifting trolley 10 and the pipe piece 16 are moved back to the communication port, the pipe piece 16 is placed on the second pipe piece loading truck 12, then one section is moved again, all pipe pieces 16 are successively loaded onto the pipe piece loading truck 12, and feeding of all pipe pieces 16 is completed.
The marshalling train is moved by one section, namely the section of the slurry loading truck 13 to be installed, is transported to the communication port, then the large truck running mechanism 8 and the lifting trolley 10 are moved to the vertical shaft port, the slurry loading truck 13 fully loaded with the slurry on the ground is lifted to the lifting trolley 10 through the large gantry crane, then the large truck running mechanism 8, the lifting trolley 10 and the slurry loading truck 13 are moved back until reaching the communication port, and the slurry loading truck 13 is placed on the marshalling train in a falling mode, so that the slurry feeding is completed.
The marshalling train is moved by one car section, namely the car section of the soil bucket 18 group to be installed, is transported to a communication port, then the large car running mechanism 8 and the lifting trolley 10 are moved to a vertical shaft port, the soil bucket 18 emptied on the ground is lifted to the lifting trolley 10 through a large gantry crane, then the large car running mechanism 8, the lifting trolley 10 and the slurry loading trolley 13 are moved back to the communication port, and the soil bucket 18 is placed on the muck car chassis 14 to finish the installation.
Because the invention is a double-line tunnel, the soil outlet step of the tunnel at one side far away from the shaft hole is firstly carried out during feeding, and then the other side is carried out.
Step nine, after the steps of discharging and feeding the marshalling train are completed, driving the battery truck 17 to pull the marshalling train to a shield host machine in tunneling so as to take over the subsequent shield tunnel construction.
Claims (8)
1. A method for rapidly discharging and feeding lateral vertical shafts of a transverse passage for shield construction is characterized by comprising the following construction steps:
firstly, constructing a tunnel by adopting a shield method, wherein a longitudinal tunneling section of the tunnel comprises a constructed underground excavation section (1) and a shield section (2) to be constructed; the shield host is positioned in the underground excavation section (1), and the marshalling train longitudinally reciprocates between the underground excavation section (1) and the shield section (2);
constructing a shield side auxiliary shaft (4), wherein the shield side auxiliary shaft (4) is positioned above a to-be-excavated underground excavation transverse channel (3), and a wellhead of the shield side auxiliary shaft (4) is an earth outlet feed inlet;
constructing a transverse underground excavation channel (3), wherein the transverse underground excavation channel (3) is arranged on one side of a stratum at two transverse sides of a longitudinal tunneling section, and one end of the transverse underground excavation channel (3) is communicated with the longitudinal tunneling section; the underground excavation transverse channel (3) is transversely arranged at the joint of the shield section (2) and the underground excavation section (1), and the other end of the underground excavation transverse channel (3) is communicated with the auxiliary vertical shaft (4) at the side of the shield;
step four, selecting a double-beam bridge crane capable of hoisting each loading device according to the standard of the bridge crane, and determining each component and equipment model of the double-beam bridge crane;
step five, erecting a large gantry crane on the ground, and lowering each component member and equipment of the double-beam bridge crane through an auxiliary vertical shaft (4) beside the shield;
step six, the layout of the double-beam bridge crane is completed in the underground excavation section (1) and the underground excavation transverse channel (3), the double-beam bridge crane comprises a crane supporting frame (5), a bridge frame (6), a cart running rail (7), a cart running mechanism (8), a trolley running rail (9), a lifting trolley (10) and control equipment, the crane supporting frame (5) is arranged in the underground excavation transverse channel (3) in a through length, the length of the crane supporting frame is from the projection position of the shield side auxiliary vertical shaft (4) to the junction with the longitudinal excavation section, the height of the crane supporting frame (5) is the upper space for ensuring the crane to cross a marshalling train, the cart running rail (7) is arranged along the upper through length of the crane supporting frame (5), the two ends of the bridge frame (6) longitudinally slide along the cart running rail (7) in the underground excavation transverse channel (3), the trolley running rail (9) is arranged along the upper through length of the bridge frame (6) and is perpendicular to the cart running rail (7), the trolley running rail (10) is controlled to move along the trolley running rail (9) in the transverse channel (8), the trolley running equipment (9) is controlled to move along the transverse channel (9), normal construction is ensured;
step seven, in the soil discharging stage, slag soil is loaded on each loading device on the marshalling train:
the marshalling train runs from the shield section (2) to the underground excavation section (1), so that each section of the marshalling train is sequentially suspended at a communication port of the shield section (2) and the underground excavation transverse channel (3), namely, the marshalling train is suspended when passing through a position below the projection of the crane supporting frame (5), the operation control equipment controls the cart running mechanism (8) and the crane trolley (10), the crane trolley (10) runs over against each carrying device on the marshalling train, and then each carrying device is sequentially lifted off the marshalling train; then, operating a control device to control a cart running mechanism (8), conveying a carrying device until the projection position of the auxiliary vertical shaft (4) at the side of the shield, unhooking the carrying device and the lifting trolley (10), lifting by a large gantry crane, lifting the carrying device along the auxiliary vertical shaft (4) at the side of the shield until the carrying device is on the ground, and sequentially moving a car section by a marshalling train every time when the carrying device is discharged until the soil discharge of all the carrying devices is completed;
step eight, in the feeding stage, each loading device or loading level on the grouping train is positioned on the ground:
the method comprises the steps that a marshalling train runs from a hidden digging interval section (1) to a shield interval section (2), all sections of the marshalling train are sequentially stopped at a communication port of the shield interval section (2) and a hidden digging transverse channel (3), namely, the marshalling train is suspended when passing through a position below a projection of a crane supporting frame (5), control equipment is operated, a cart running mechanism (8) and a trolley (10) are controlled, the trolley (10) runs and sequentially faces the projection position of an auxiliary shield side vertical shaft (4), then a loading device or loading material is hung to a vertical shaft port through a ground large-sized gantry crane, the auxiliary vertical shaft (4) is lowered to the hidden digging channel along the shield side and then is connected with the trolley (10), then control equipment is operated to control the large-sized trolley running mechanism (8), the loading device or the loading material is sequentially conveyed to all sections above the marshalling train to be unloaded, and each loading device or loading material is sequentially moved by the marshalling train until feeding of all loading devices or loading materials is completed;
step nine, after the steps of discharging and feeding the marshalling train are completed, driving the battery car (17) to pull the marshalling train to a shield host machine in tunneling so as to replace the subsequent shield tunnel construction.
2. The rapid unearthing and feeding method for a lateral shaft of a transverse passage for shield construction according to claim 1, wherein the rapid unearthing and feeding method comprises the following steps:
the crane supporting frame (5) comprises two rows of supporting columns (51) which are arranged at intervals, a crown beam (52) fixedly connected with the tops of the supporting columns (51) and a support beam (53) fixedly connected between the side wall of the crown beam (52) and the inner wall of the underground excavation transverse channel (3), and the cart running rail (7) is along the whole length of the crown beam (52) and fixedly connected with the upper side of the crown beam (52).
3. The rapid unearthing and feeding method for a lateral shaft of a transverse passage for shield construction according to claim 2, characterized in that: the supporting beams (53) are fixedly connected to one side, close to the inner wall of the underground excavation transverse channel (3), of the crown beams (52), the setting positions of the supporting beams (53) on the crown beams (52) correspond to the setting positions of the supporting columns (51) one by one, the supporting beams (53) comprise side wall supporting beams (531) and front end supporting beams (532), the two ends of the side wall supporting beams (531) are respectively connected with the left side and the right side of the crown beams (52) and the inner wall of the left side and the right side of the underground excavation transverse channel (3), and the front end supporting beams (532) are formed by extending forwards from the front ends of the crown beams (52) and are connected with the inner wall of the front side of the underground excavation transverse channel (3).
4. The rapid unearthing and feeding method for a lateral shaft of a transverse passage for shield construction according to claim 1, wherein the rapid unearthing and feeding method comprises the following steps: the bridge frame (6) is a square frame and comprises two short beams (61) which are respectively arranged along the cart running rail (7) in the forward direction and long beams (62) which are vertically connected with two ends of the short beams (61), cart running mechanisms (8) are respectively arranged at two ends of the bottom of the short beams (61), the cart running mechanisms (8) slide on the cart running rail (7), and the cart running rail (9) is connected with the upper sides of the long beams (62) in a penetrating manner along the long beams (62).
5. The rapid unearthing and feeding method for a lateral shaft of a transverse passage for shield construction according to claim 1, wherein the rapid unearthing and feeding method comprises the following steps: the trolley (10) is provided with rotating bearings (11) capable of adjusting different hoisting angles.
6. The rapid unearthing and feeding method for a lateral shaft of a transverse passage for shield construction according to claim 1, wherein the rapid unearthing and feeding method comprises the following steps: each section of the marshalling train sequentially comprises a duct piece loading vehicle (12), a slurry loading vehicle (13), a muck loading vehicle (15) and a battery truck (17) which are formed by arranging a soil bucket (18) on a muck chassis (14) from front to back along the tunneling direction, the marshalling train is pulled to a communication port of a shield section (2) and a hidden excavation transverse channel (3) through the battery truck (17) at the tail of the marshalling train, and the loading device is the duct piece loading vehicle (12), the slurry loading vehicle (13) or the soil bucket (18) and takes the duct piece (16) or the slurry.
7. The rapid unearthing and feeding method for a lateral shaft of a transverse passage for shield construction according to claim 6, wherein: in the seventh step, a first soil bucket (18) at the tail of the marshalling train is conveyed to a communication port, then a large-truck running mechanism (8) and a lifting trolley (10) are moved to the communication port to lift the first soil bucket (18) on the lifting trolley (10), and finally the first soil bucket (18) is lifted to the ground through a large-scale gantry crane and the residue soil is emptied to leave the soil bucket (18);
the marshalling train is moved to a section, namely a second soil bucket (18) at the tail part, is transported to a communication port, then a large car running mechanism (8) and a lifting trolley (10) are moved back to the communication port to lift the second soil bucket (18) on the lifting trolley (10), then second muck is lifted to the ground through a large gantry crane and the muck is emptied to leave the soil bucket (18), then the section is moved again, and all the soil buckets (18) are sequentially lifted to the ground and the muck is emptied to leave the soil bucket (18).
8. The rapid unearthing and feeding method for a lateral shaft of a transverse passage for shield construction according to claim 6 or 7, characterized in that: in the step eight, a segment, namely a segment loading vehicle (12), of a first segment to be installed with a loading segment (16) at the head of a marshalling train is conveyed to a communication port, then a large vehicle running mechanism (8) and a lifting trolley (10) are moved to a vertical shaft port position, the segment (16) on the ground is lifted to the lifting trolley (10) through a large portal crane, then the large vehicle running mechanism (8), the lifting trolley (10) and the segment (16) are moved back to the communication port, and the segment (16) is placed on the first segment loading vehicle (12); the duct piece loading vehicle (12) is provided with a braking device to prevent the duct piece loading vehicle (12) from sliding backwards;
moving a marshalling train to a trolley section, namely a head second pipe piece loading trolley (12), to a communication port, then moving a large trolley running mechanism (8) and a lifting trolley (10) to a vertical shaft port position, continuously lifting pipe pieces (16) on the ground to the lifting trolley (10) through a large portal crane, then moving the large trolley running mechanism (8), the lifting trolley (10) and the pipe pieces (16) back to the communication port, placing the pipe pieces (16) on the second pipe piece loading trolley (12), then moving a trolley section again, and successively loading all the pipe pieces (16) onto the pipe piece loading trolley (12) to finish feeding of all the pipe pieces (16);
the method comprises the steps of moving a marshalling train to a train section, namely, the train section of a slurry loading truck (13) to be installed, to a communication port, then moving a cart running mechanism (8) and a lifting trolley (10) to a vertical shaft port, lifting the slurry loading truck (13) fully loaded with slurry on the ground to the lifting trolley (10) through a large gantry crane, then moving the cart running mechanism (8), the lifting trolley (10) and the slurry loading truck (13) back to the communication port, and placing the slurry loading truck (13) on the marshalling train to finish slurry feeding;
the marshalling train is moved by one section, namely the section to be provided with the soil bucket (18), to the position of a communication port, then the large-scale truck running mechanism (8) and the lifting trolley (10) are moved to the position of a vertical shaft port, the soil bucket (18) emptied on the ground is lifted to the lifting trolley (10) through the large-scale portal crane, and then the large-scale truck running mechanism (8), the lifting trolley (10) and the slurry loading trolley (13) are moved back until the position of the communication port, and the soil bucket (18) is placed on the slag soil car chassis (14) to finish the installation.
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