CN102305083A - Shield machine and anterior shield system thereof - Google Patents
Shield machine and anterior shield system thereof Download PDFInfo
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- CN102305083A CN102305083A CN201110218924A CN201110218924A CN102305083A CN 102305083 A CN102305083 A CN 102305083A CN 201110218924 A CN201110218924 A CN 201110218924A CN 201110218924 A CN201110218924 A CN 201110218924A CN 102305083 A CN102305083 A CN 102305083A
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Abstract
The invention provides a shield machine and an anterior shield system thereof. The system comprises an anterior shield body, an excavation device, a conveyor, and a partition plate, wherein the anterior shield body has a cylindrical structure; the excavation device is arranged on fixing components of the shield machine and a head of the excavation device is used for performing multi action excavation operation on different operation points on an excavation surface; and the conveyor is used for discharging dregs excavated by the head of the excavation device, a first end of the conveyor is arranged below the excavation device and a second end of the conveyor is arranged on the rear part of the first end; and the head of the excavation device and the first end of the conveyor are positioned in front of the partition plate, the second end of the conveyor is positioned on the rear part of the partition plate, and the partition plate is provided with a sealing door which can be opened and closed. The invention can avoid the mud cake agglomeration of a cutter, rolling of the shield body, improved treatment of dregs and pressurized cabin entering operation and has the advantages of quick construction progress, high stability and adaptability and the like.
Description
Technical field
The present invention relates to tunnel and underground engineering field, specifically, relate to a kind of shield machine and anterior shield system thereof.
Background technology
Shield machine (full name shield tunnel development machine) is a kind of engineering machinery that is specifically designed to tunnel piercing, and it has been proved to be and has been the tunnel construction machinery that is a kind of economical and efficient, is widely used in the construction of tunnel such as subway, railway, highway, municipal administration, water power.
In the shield machine that uses both at home and abroad, be main at present with balancing earth-pressure shielding machine and slurry balance shield machine.This type of shield machine is provided with cutterhead at the anterior shield front end, and some cutters are installed on cutterhead, and the rotation through cutterhead can realize the excavation to the soil body.In addition,, need the pressure-bearing dividing plate be set in the cutterhead back and form Tu Cang or the muddy water storehouse, realize the pressure adjustment through earth material or mud in order to set up the pressure balance of excavation face.
Above-mentioned shield machine very easily is formed centrally mud cake in cutterhead when clay stratum is worked, thereby this mud cake causes constructional difficulties, drivage efficiency to reduce the cutterhead locking.In addition, the rotation of cutterhead also drives the rolling of shield body easily, thereby influences the stability of construction operation.
And for sand-pebble layer, cutter and cutterhead matrix serious wear need frequent band to compress into cabin operation (operating personnel need be with and compress into the cabin tool changing or handle bulk footpath boulder gravel usually), and bulk footpath boulder gravel also can shutoff muck removal mouth.Especially contain big particle diameter (greater than 300mm) when the stratum, even when the gravel of super-size (greater than 500mm) or boulder, often need the little pilot tunnel of excavation or dig vertical shaft obstacle stone is taken out, have a strong impact on construction speed.
In addition, be difficult to set up the pressure balance of excavation face, cause surface settlement easily, when serious even can cause cave-in accident at sand-pebble layer through mud or earth material.
Summary of the invention
In order to overcome the above-mentioned defective and the deficiency of prior art; The object of the present invention is to provide a kind of shield machine anterior shield system; This anterior shield system has avoided cutterhead mud lining, shield body rolling problem; Can directly handle the bulk footpath ovum gravel of excavation face, can be adaptable across the set of tunneling construction on multiple stratum especially sandy cobble with no water.
Shield machine anterior shield of the present invention system comprises:
Anterior shield shield body, said anterior shield shield body has tubular structure;
Excavating gear, said excavating gear are arranged on the fixed part of shield machine, and the head of said excavating gear is used for the different work point of excavation face is carried out many action digging operations;
Conveyer is used to discharge the dregs that the head of excavating gear digs out, and first end of said conveyer is arranged at the excavating gear below, and second end of said conveyer is arranged at the first end rear;
Dividing plate, first end of the head of said excavating gear and conveyer is positioned at said front of clapboard, and second end of said conveyer is positioned at the rear of said dividing plate, but said dividing plate is provided with the hermatic door of folding.
Preferred as technique scheme; Said excavating gear is provided with one or more in telescoping mechanism, jib lubbing mechanism, the slew gear, make excavating gear head with respect to the fixed part of shield machine turn round, stretch, in the luffing operation one or more.
Preferred as technique scheme, said dividing plate is provided with the regulator of regulating dividing plate the place ahead pressure, and said regulator is a pneumatic shuttle, and said pneumatic shuttle is to said dividing plate the place ahead injecting gas.
Preferred as technique scheme, the head of said excavating gear is provided with pick digging head, scraper bowl or quartering hammer.
Preferred as technique scheme, said shield machine anterior shield system also comprises:
The device of skimming, the said device of skimming is arranged at dividing plate the place ahead, is used for first end that dregs that the head with excavating gear digs out pushes to conveyer.
Preferred as technique scheme; The said device of skimming is a scraper bowl; This scraper bowl is provided with one or more in pitch angle guiding mechanism, jib lubbing mechanism, translation mechanism and the side-sway mechanism, makes scraper bowl carry out one or more in pitch angle adjustment, luffing, translation and the side-sway operation.
Preferred as technique scheme; Eaves before the top cylindrical shell of said anterior shield shield body circumferentially is provided with support; Eaves is a laminated structure before the said support; Move with respect to said anterior shield shield body is scalable; Before said support, also be provided with the sideboard that to swing on the eaves; After said sideboard is shown fully, vertically be provided with respect to eaves before supporting, the front side surface of said sideboard also is provided with elastic plate.
Preferred as technique scheme, a plurality of axial locations of eaves are provided with pivoting support before said support, and said sideboard is removably disposed on the different pivoting supports.
Preferred as technique scheme, said sideboard comprises independently rectangle baffle plate and triangle baffle plate.
Another object of the present invention is to provide a kind of shield machine, and this shield machine comprises aforesaid shield machine anterior shield system.
Preferred as technique scheme, the external week of one of them shield of said shield machine also is provided with the pre-grouting hole, is used for the side and/or the front upper place soil body in face of the excavation are reinforced in advance.
Preferred as technique scheme, the external week of one of them shield of said shield machine also is provided with urgent sealing, is used to prevent that simultaneous grouting slurry from invading the excavation face.
Shield machine of the present invention and anterior shield system thereof carry out many action digging operations through scraper bowl, pick digging head or quartering hammer etc. to the excavation face, and do not rely on the rotary operation of cutterhead.Compared with prior art, the present invention has avoided cutterhead mud lining, the rolling of shield body, dregs improved treatment, band to compress into problems such as cabin tool changing; In addition, the present invention can directly handle the bulk footpath ovum gravel of excavation face through scraper bowl, pick digging head or quartering hammer, needn't adopt the mode of excavating little pilot tunnel or digging vertical shaft to take out obstacle stone, has improved construction speed; And the present invention can set up the balance of excavation face effectively through the pneumatic shuttle on the dividing plate to dividing plate the place ahead injecting gas, prevents the generation of surface settlement and cave-in accident; In addition, with respect to the circular tunnel that the single rotary operation of cutterhead excavates, the present invention can also realize the profiling excavation of other multiple different cross sections such as square, arch according to the tunnel purposes; Simultaneously, the present invention also has manufacturing and advantages such as construction cost is low, efficient energy-saving.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously; Accompanying drawing in describing below only is some embodiments of the present invention; For those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structure chart of the shield machine of one embodiment of the invention;
Fig. 2 is the structure chart of the shield machine of another embodiment of the present invention;
Fig. 3 is the structure chart of the shield machine anterior shield front end of one embodiment of the invention;
Fig. 4 is the structure chart of the shield machine anterior shield front end of another embodiment of the present invention;
Fig. 5 is the schematic layout pattern of preceding eaves of the support of one embodiment of the invention and sideboard;
Fig. 6 is the structure chart of the shield machine anterior shield front end of further embodiment of this invention;
Fig. 7 is the structure chart of the shield machine of further embodiment of this invention.
The specific embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Shown in Figure 1 is the structure chart of the shield machine of one embodiment of the invention, and shield machine comprises anterior shield shield body 1a, middle shield shield body 1b and tail shield shield body 1c among this figure.Should be understood that the place ahead of shield machine refers to the direction to excavation face driving.Each shield body is a tubular structure, can be to excavating but also unlined tunnel construction sections plays interim supporting role, and each shield body also is used to bear the pressure of soil layer on every side.Under the shielding of each shield body, operations such as the excavation of shield machine, casting, lining cutting are smooth.
Can adopt bolt to be connected between anterior shield shield body 1a and the middle shield shield body 1b, be connected through hinged oil cylinder 7 between middle shield shield body 1b and the tail shield shield body 1c, hinged oil cylinder 7 can realize that the curve of shield machine advances.In addition, can also between middle shield shield body 1b and tail shield shield body 1c, adopt hinged sealing 8, to guarantee the isolation between shield body inside and the soil layer.In tail shield shield body 1c, be provided with the H type and support 9, this H type supports 9 walking beams 11 that duct piece assembling machine is installed at least, and the terminal inwall of tail shield shield body 1c is provided with sealing brush 12 (being the three seals brush shown in the figure).After section of jurisdiction fitting machine 10 is accomplished the pipe-plate lining of tunnel circumferential direction, advance oil cylinder 13 to promote each shield body of shield machine and advance through the good tunnel duct piece of pushing tow assembly unit.When advancing, in the cavity that sealing brush 12 and surface, section of jurisdiction form, inject grease through shield tail sealing greasing pipeline, play sealing function.In addition, in progradation, can also carry out the slip casting operation.
Above-mentionedly only the middle shield shield body 1b and the tail shield shield body 1c of one embodiment of the invention is illustrated.Should be understood that; When the shield body to shield machine carries out the various transformation of the way (such as shield shield body 1b in omitting; Only comprise anterior shield shield body 1a and tail shield shield body 1c), the shield machine after each transformation of the way still goes for shield machine anterior shield of the present invention system, and the present invention is not limited to this.
Shown in the embodiment of Fig. 1 and Fig. 2, shield machine of the present invention comprises anterior shield shield body 1a, excavating gear, conveyer 3 and dividing plate 4 at least.Anterior shield shield body 1a of the present invention has tubular structure, and its cross section can also be realized other multiple different cross sections such as square, arch according to the tunnel purposes except circle.
Excavating gear is arranged on the fixed part of shield machine, and the head 20 of this excavating gear is used for the different work point of excavation face is carried out many action digging operations.Excavating gear can be arranged on a plurality of fixed parts of shield machine, on the support 9 of H type or other braced structures.Preferably, as depicted in figs. 1 and 2, excavating gear is arranged on the dividing plate 4, correspondingly can on dividing plate 4, reinforcing member be set, and can stably support excavating gear to guarantee it.
Compare with single spinning movement as the single homework face of the cutterhead of excavating gear with prior art, the operating type of excavating gear of the present invention is more flexible and changeable, can adapt to the excavation needs of multiple Different Strata.The head 20 of excavating gear can be provided with pick digging head (as shown in Figure 1), scraper bowl (as shown in Figure 2) or quartering hammer.The structure of pick digging head and operating principle can be with reference to the cutters of mining machinery such as development machine, and scraper bowl and quartering hammer can be with reference to the equipments of excavator.
Therefore for the excavation face, the acting surface of the head 20 of excavating gear of the present invention is minimum, needs to realize the digging operation to the different work point of excavation face, as to the soil body from top to bottom, carry out layering from the centre to both sides and excavate step by step.Meanwhile, the action of excavating gear head 20 can also be constantly adjusted,, many action digging operations can be carried out to the All Ranges of whole excavation face with the head 20 that guarantees excavating gear as realizing rotation, pitching, flexible, sidesway etc.As an embodiment; Preferred excavating gear of the present invention is provided with one or more in telescoping mechanism, jib lubbing mechanism, the slew gear, thus make excavating gear head 20 with respect to the fixed part of shield machine turn round, stretch, in the luffing operation one or more.Correspondingly, structures such as fixed arm, lever arm, telescopic oil cylinder 21, amplitude oil cylinder 22 or pivoting support 23 can be set and realize above-mentioned functions on excavating gear.Wherein pivoting support 23 both can be selected horizontal rotation, also can select vertical revolution, and the present invention is not limited to this.In addition, telescopic oil cylinder 21, amplitude oil cylinder 22 also can be arranged on the multiple orientation, all can realize technique effect of the present invention.As shown in Figure 2,, scraper bowl adjustment oil cylinder 24 can also be set for for the scraper bowl of excavating gear head 20, thus the grasping movement of adjustment scraper bowl.
Conveyer 3 is used to discharge the dregs that the head 20 of excavating gear digs out, and first end of this conveyer 3 is arranged at the excavating gear below, and second end is arranged at the first end rear.The dregs that digs out falls and is deposited in first end of conveyer 3, and under the conveying effect of conveyer 3, is transported to second end of conveyer 3, at second end of conveyer 3 belt conveyor can be set, so that dregs is transported to the outside, tunnel.This conveyer 3 can be conveying worm (like Fig. 1 or shown in Figure 2) or drag conveyor (as shown in Figure 7), perhaps other assimilating type feeding apparatus.
In addition, for the ease of the suction to dregs of first end of conveyer 3, preferably also be provided with the device 30 of skimming in dividing plate 4 the place aheads, this device 30 of skimming can be used for first end that dregs that the head 20 with excavating gear digs out pushes to conveyer 3.This device 30 of skimming can adopt scraper bowl (as shown in Figure 3) or multijaw rotating disk structures such as (as shown in Figure 4).
The structure of scraper bowl can be with reference to the equipment of excavator, and its rake through scraper bowl is got action dregs is pushed to conveyer 3.This scraper bowl can carry out many action operations, as realizing rotation, pitching, flexible, sidesway etc.As an embodiment, preferred scraper bowl is provided with one or more in pitch angle guiding mechanism, jib lubbing mechanism, translation mechanism and the side-sway mechanism, makes scraper bowl carry out one or more in pitch angle adjustment, luffing, translation and the side-sway operation.Correspondingly, can realize above-mentioned functions through structures such as angle of pitch adjustment oil cylinder, amplitude oil cylinder, translation guide rail and side-sway oil cylinder are set.
The multijaw rotating disk is the rotation blade structure, and its rotation through blade is carried out dregs and pushed, and preferably adopts two multijaw rotating disks shown in Figure 4 to carry out work compound, and first end of conveyer 3 can be positioned in the middle of two multijaw rotating disks.
The head 20 of excavating gear and first end of conveyer 3 are positioned at the place ahead of dividing plate 4, and second end of conveyer 3 is positioned at the rear of dividing plate 4, but dividing plate 4 is provided with the hermatic door 40 of folding.First end of conveyer 3 and second end are positioned at both sides, dividing plate 4 front and back.Be installed in the H type at excavating gear and supported for 9 last times, the telescoping mechanism of excavating gear or jib lubbing mechanism pass this dividing plate 4.Preferably, excavating gear can be arranged on the dividing plate 4, at this moment, the head 20 of excavating gear, telescoping mechanism, jib lubbing mechanism, slew gear etc. all can be positioned at the place ahead of conveyer 3 second ends.Also be provided with the regulator of regulating dividing plate 4 the place ahead pressure on the preferred separator 4, this regulator is a pneumatic shuttle, and this pneumatic shuttle is to dividing plate 4 the place ahead injecting gas, and this gas can be other gases such as compressed air.Because in sand-pebble layer, the space between the sandy gravel is bigger, adopts pneumatic shuttle of the present invention can set up more stable excavation face balance in terms of existing technologies.
In addition, but the hermatic door 40 of folding can also be set on dividing plate 4, open sealing door 40 after, operating personnel can get into dividing plate 4 the place aheads, carry out the maintenance and the replacing of excavating gear or conveyer 3 etc., also can carry out artificial interference to excavation face obstruction.Under a working condition, sealing door 40 can be opened, and dividing plate 4 pressure at two ends are identical; In the time operating mode such as surface settlement might occurring, sealing door 40 is closed, simultaneously through the pneumatic shuttle injecting gas, thereby guarantee the pressure balance of excavation face, prevent the generation of further cave-in accident.The present invention can be when normal the excavation, and keeping hermatic door 40 is normally open.
In work progress, avoid the falling rocks and the soil body to cave in order to reduce, the present invention is eaves 5 before the top cylindrical shell of anterior shield shield body 1a circumferentially is provided with support also, and eaves 5 was a laminated structure before this supported, and moved with respect to anterior shield shield body 1a is scalable.Eaves 5 can be arranged on the cylinder body outer wall of anterior shield shield body before supporting, and also can be arranged on cylinder inboard wall, and the present invention is not limited to this, the preferred latter.Correspondingly, as depicted in figs. 1 and 2, be provided with the preceding eaves telescopic oil cylinder 51 of support between the eaves 5 at anterior shield shield body 1a with before supporting.Before this support, can be provided with slotting tool 50 on the eaves 5, this slotting tool 50 can stretch out in advance and be inserted in the excavation face soil body of the place ahead, thereby in digging operation, supports the face and the top vault soil body, avoids the falling rocks and the soil body to cave in.The eaves 5 whole structures that are similar to " the brim of a hat " that form before supporting.
In addition,, before support, also be provided with the sideboard 6 that to swing on the eaves 5, after this sideboard 6 is shown fully, vertically be provided with respect to eaves 5 before supporting in order further to improve supporting efficient.Correspondingly, before support, be provided with baffle plate opening and closing oil cylinder 61 between eaves 5 and the sideboard 6.
In order to adapt to the supporting requirement of Different Strata, preferably a plurality of axial locations of eaves 5 are provided with pivoting support before support of the present invention, and sideboard 6 is removably disposed on the different pivoting supports.For embodiment shown in Figure 5, before support, be provided with two pivoting support A and B on the eaves 5.
For soft stratum, sideboard 6 can be arranged on from supporting on the preceding eaves 5 front ends pivoting support B far away.In the supporting process, under the promotion of eaves telescopic oil cylinder 51, eaves 5 inserts soil layer to pivoting support B place before supporting, and excavates additional space in advance through the head 20 of excavating gear then, shows and erect supporting front end soil layer for sideboard 6 before support.
For autostability stratum preferably, sideboard 6 can be arranged on the nearer pivoting support A of before supporting eaves 5 front ends.In the supporting process, can pass through the head 20 loosening soil layers of excavating gear earlier, and then eaves 5 inserts soil layers before will supporting.The process that follow-up activities baffle plate 6 is shown is with aforementioned identical.
On the basis of technique scheme, the present invention can improve the digging operation compliance of shield machine according to the supporting requirement that adapts to multiple soil layer.
In addition, the sketch map after all sideboards are shown as shown in Figure 6, sideboard 6 can adopt a plurality of fanning strips to combine.Eaves 5 covers anterior shield shield body 1a circumferencial direction top 90-160 ° scope with sideboard 6 before preferred the support.
As an embodiment, sideboard 6 of the present invention also can be as shown in Figure 7, comprises independently rectangle baffle plate and triangle baffle plate.On soft stratum, the rectangle baffle plate can be shown, the head 20 of excavating gear can once excavate along radius or diametric(al) from this rectangle baffle plate supporting zone from top to down, thereby obviously improves digging efficiency.The present invention can carry out size match between excavating gear head 20 and rectangle baffle plate.
As a kind of construction of the present invention, can earlier eaves 5 before all supports be stretched out, show sideboard 6 then one by one.After showing a sideboard 6, promptly can excavate operation from top to down to its supporting zone.Sideboard 6 in the middle of the present invention can show the most earlier, after show the sideboard 6 on both sides.
Meanwhile, can also be provided with elastic plate 61 at the front side surface of sideboard 6, in the supporting process, this elastic plate 61 contacts with front end excavation face, so that the out-of-flatness of compensation front end excavation face side height improves supporting stability.This elastic plate 61 can be rubber tile.
Except above-mentioned shield machine anterior shield system, the present invention also provides a kind of shield machine that comprises this shield machine anterior shield system.Except shield shield body 1b, tail shield shield body 1c, hinged oil cylinder 7, hinged sealing 8, H type support 9, section of jurisdiction fitting machine 10, walking beam 11, sealing brush 12 equiprobable structures in aforesaid, shield machine of the present invention can also comprise the pre-grouting hole.The pre-grouting hole is arranged on the external week of one of them shield of shield machine, is used for side and/or surrounding soil in face of the excavation are reinforced in advance.This pre-grouting hole can be arranged on a plurality of positions of external week of shield; For structural integral layout; Shield shield body 1b periphery in preferably being arranged on; Can reinforce in advance the place ahead soil layer through the form of inserting ductule and injecting slurries; Thereby prevent the soil layer sedimentation or cave in, so that the carrying out smoothly of follow-up digging operation.
Preferably, the present invention also is provided with urgent sealing 14 as shown in Figure 7 in the external week of one of them shield of shield machine, and this promptly seals 14 and is used to prevent simultaneous grouting slurry intrusion excavation face.Fitting machine 10 in progradation or after advancing completion, generally can carry out slip casting with the section of jurisdiction installation between section of jurisdiction periphery and soil layer in the section of jurisdiction of shield machine, to improve the coagulation force of section of jurisdiction and soil layer.Prior art generally can be provided with only pulpboard 15, invades forward to prevent simultaneous grouting slurry.The present invention also is being provided with a urgent sealing 14 external week of shield, has avoided because of ending the slurries intrusion that pulpboard 15 faults cause, thereby can play the effect of duplicate protection.Should urgent sealing 14 can be arranged on a plurality of positions of external week of shield, preferably be arranged on tail shield shield body 1c periphery.Should urgent sealing 14 can adopt pressurization rubber and reinforcement steel plate structure; In the time slurries possibly occurring and invade, in pressurization rubber, charge into materials such as water or gas, make its expansion and with steel plate jack-up; Steel plate contacts through the sealing of caulking gum and soil layer, thereby stops forward mobile of slurries.Should be understood that the present invention also can adopt other multiple hermetically-sealed construction as urgent sealing 14, the present invention is not limited to this.
In sum, shield machine of the present invention and anterior shield system thereof carry out many action digging operations through scraper bowl, pick digging head or quartering hammer etc. to the excavation face, and do not rely on the rotary operation of cutterhead.Compared with prior art, the present invention can avoid following defective:
1) avoids the cutterhead mud lining
The construction of multiple actions such as the head 20 of excavating gear of the present invention can turn round, stretches, luffing can effectively break away from the earth material that is attached to excavating gear head 20, can not produce the mud cake that forms because of single rotary operation mode.
2) avoid the shield body to roll
The present invention can excavate construction from a plurality of orientation to bulk footpath ovum gravel, and the snap-in force between excavating gear and the soil layer is little, therefore is difficult for producing the shield body and rolls.
3) avoid the dregs improved treatment
Dregs of the present invention need not improvement promptly can directly be got rid of through conveyer 3, need not carry out the dregs improvement as balancing earth-pressure shielding machine and slurry balance shield machine, has avoided environment pollution.
4) avoid band to compress into the cabin operation
The present invention promptly can stablize the excavation face through eaves before supporting 5 and sideboard 6 under the general work situation, need not carry out supercharging to the excavation face.Operating personnel promptly can get into dividing plate 4 the place aheads and carry out the maintenance and the replacing of excavating gear or conveyer etc. under normal pressure.
In addition, compare with the slurry balance shield machine with existing balancing earth-pressure shielding machine, the present invention also has following significant advantage:
1) construction speed is fast
The present invention can directly handle the bulk footpath ovum gravel of excavation face through scraper bowl, pick digging head or quartering hammer, needn't adopt the mode of excavating little pilot tunnel or digging vertical shaft to take out obstacle stone, has improved construction speed and drivage efficiency.
2) stability is strong
The present invention can set up the balance of excavation face effectively through the pneumatic shuttle on the dividing plate 4 to dividing plate 4 the place ahead injecting gas, prevents the generation of surface settlement and cave-in accident.
3) compliance is good
Circular tunnel with respect to the single rotary operation excavation of cutterhead; The present invention can also realize the profiling excavation (each shield shape need adjust accordingly according to the tunnel purposes) of other multiple different cross sections such as square, arch according to the tunnel purposes, has the good advantage of compliance.
Simultaneously, the present invention also has manufacturing and advantages such as construction cost is low, efficient energy-saving.
Therefore, the present invention can be adaptable across multiple stratum, and for the anhydrous preferably stratum of country rock independence, especially sandy cobble with no water is extremely important, and its beneficial effect is conspicuous.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a shield machine anterior shield system is characterized in that, comprising:
Anterior shield shield body (1a), said anterior shield shield body (1a) has tubular structure;
Excavating gear, said excavating gear are arranged on the fixed part of shield machine, and the head of said excavating gear (20) is used for the different work point of excavation face is carried out many action digging operations;
Conveyer (3) is used to discharge the dregs that the head (20) of excavating gear digs out, and first end of said conveyer (3) is arranged at the excavating gear below, and second end of said conveyer (3) is arranged at the first end rear;
Dividing plate (4), first end of head of said excavating gear (20) and conveyer (3) is positioned at the place ahead of said dividing plate (4), second end of said conveyer (3) is positioned at the rear of said dividing plate (4), said dividing plate (4) but be provided with the hermatic door (40) of folding.
2. shield machine anterior shield according to claim 1 system; It is characterized in that; Said excavating gear is provided with one or more in telescoping mechanism, jib lubbing mechanism, the slew gear, make excavating gear head (20) with respect to the fixed part of shield machine turn round, stretch, in the luffing operation one or more.
3. shield machine anterior shield according to claim 1 system is characterized in that, said dividing plate (4) is provided with the regulator of regulating dividing plate (4) the place ahead pressure, and said regulator is a pneumatic shuttle, and said pneumatic shuttle is to said dividing plate (4) the place ahead injecting gas.
4. shield machine anterior shield according to claim 1 system is characterized in that the head of said excavating gear (20) is provided with pick digging head, scraper bowl or quartering hammer.
5. shield machine anterior shield according to claim 1 system is characterized in that, said shield machine anterior shield system also comprises:
The device (30) of skimming, the said device of skimming (30) is arranged at dividing plate (4) the place ahead, is used for first end that dregs that the head (20) with excavating gear digs out pushes to conveyer (3).
6. shield machine anterior shield according to claim 5 system; It is characterized in that; The said device of skimming (30) is a scraper bowl; This scraper bowl is provided with one or more in pitch angle guiding mechanism, jib lubbing mechanism, translation mechanism and the side-sway mechanism, makes scraper bowl carry out one or more in pitch angle adjustment, luffing, translation and the side-sway operation.
7. according to each described shield machine anterior shield system of claim 1-6; It is characterized in that; Eaves (5) before the top cylindrical shell of said anterior shield shield body (1a) circumferentially is provided with support; Eaves (5) is a laminated structure before the said support; Move with respect to said anterior shield shield body (1a) is scalable; Also be provided with the sideboard (6) that to swing on the eaves before said support (5); After said sideboard (6) is shown fully; Be provided with respect to eaves (5) before supporting is vertical, the front side surface of said sideboard (6) also is provided with elastic plate (61).
8. shield machine anterior shield according to claim 7 system is characterized in that a plurality of axial locations of eaves before said support (5) are provided with pivoting support, and said sideboard (6) is removably disposed on the different pivoting supports.
9. shield machine anterior shield according to claim 7 system is characterized in that said sideboard (6) comprises independently rectangle baffle plate and triangle baffle plate.
10. a shield machine is characterized in that, said shield machine comprises each described shield machine anterior shield system of claim 1-9.
11. shield machine according to claim 10 is characterized in that, the external week of one of them shield of said shield machine also is provided with the pre-grouting hole, is used for side and/or surrounding soil in face of the excavation are reinforced in advance.
12. shield machine according to claim 10 is characterized in that, the external week of one of them shield of said shield machine also is provided with urgent sealing (14), is used to prevent simultaneous grouting slurry intrusion excavation face.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110218924A CN102305083A (en) | 2011-08-01 | 2011-08-01 | Shield machine and anterior shield system thereof |
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| CN201110218924A CN102305083A (en) | 2011-08-01 | 2011-08-01 | Shield machine and anterior shield system thereof |
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Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704943A (en) * | 2012-05-30 | 2012-10-03 | 中铁隧道装备制造有限公司 | Shield structure formed by shallow tunneling method in air-pressure mode |
| CN102733813A (en) * | 2012-06-29 | 2012-10-17 | 中铁隧道装备制造有限公司 | Opened shield sealing device |
| CN102943677A (en) * | 2012-10-24 | 2013-02-27 | 中铁科工集团有限公司 | Manufacturing method for end shield of built-in grout block shield machine |
| CN103255991A (en) * | 2013-05-06 | 2013-08-21 | 中国铁建重工集团有限公司 | Slurry door for slurry shield tunneling machine and filling system of same |
| CN103615255A (en) * | 2013-12-13 | 2014-03-05 | 东北大学 | Variable cross-section tunneling device of shield machine |
| CN103726853A (en) * | 2013-12-18 | 2014-04-16 | 北京市轨道交通建设管理有限公司 | Shield excavating device and shield machine |
| CN104179506A (en) * | 2014-07-30 | 2014-12-03 | 中铁三局集团有限公司 | Mud cake treatment method for shield |
| CN104533435A (en) * | 2014-11-27 | 2015-04-22 | 中铁工程装备集团有限公司 | Oscillating cutter head type rectangular section tube push bench |
| CN104632243A (en) * | 2015-01-09 | 2015-05-20 | 葛洲坝集团第五工程有限公司 | Construction waste slag removing system and method for open type heading machine |
| CN105386771A (en) * | 2015-12-17 | 2016-03-09 | 辽宁天安科技有限公司 | Shield type digging and anchoring machine |
| CN105649641A (en) * | 2016-02-01 | 2016-06-08 | 中铁十六局集团北京轨道交通工程建设有限公司 | Axis control method for shield sharp curve construction in upper-soft-lower-hard stratum |
| CN105649640A (en) * | 2016-02-01 | 2016-06-08 | 中铁十六局集团北京轨道交通工程建设有限公司 | Construction method for preventing roof caving of shield in construction |
| CN105909266A (en) * | 2016-06-22 | 2016-08-31 | 济南轨道交通集团有限公司 | Special excavating equipment applicable to underground excavation construction of underground engineering |
| CN107060785A (en) * | 2017-06-18 | 2017-08-18 | 王志明 | A kind of vertical structure shield machine |
| CN107268681A (en) * | 2017-08-09 | 2017-10-20 | 中国铁建重工集团有限公司 | Piping lane apparatus for work |
| CN107387102A (en) * | 2017-08-22 | 2017-11-24 | 华东交通大学 | A kind of reconstruction shield machine of shield tunnel |
| CN108756909A (en) * | 2018-05-04 | 2018-11-06 | 中国电建集团铁路建设有限公司 | A kind of construction method of small space shield machine dismantling |
| CN109441469A (en) * | 2018-12-17 | 2019-03-08 | 中国铁建重工集团有限公司 | A kind of the self-propelled shield machine complete set of equipments and method for tunnel construction of the free section of fitting |
| CN109441473A (en) * | 2018-12-18 | 2019-03-08 | 徐州天地岩土科技有限公司 | A kind of light-duty intelligent tunneling pin-connected panel integration apparatus |
| CN109882189A (en) * | 2019-02-27 | 2019-06-14 | 中铁工程装备集团有限公司 | A kind of half section shield machine of the shape of a hoof and construction method suitable for fault belt |
| CN110030006A (en) * | 2019-04-12 | 2019-07-19 | 北京水工资环新技术开发有限公司 | There is the shield tunneling method of a large amount of boulders by saturated sand and in layer of sand |
| CN110130914A (en) * | 2019-06-28 | 2019-08-16 | 重庆市能源投资集团科技有限责任公司 | A kind of preceding shield body of coal mine light section shield excavation machine |
| CN110778319A (en) * | 2019-11-22 | 2020-02-11 | 中铁工程装备集团有限公司 | Rectangular heading machine and construction method thereof |
| CN112253144A (en) * | 2020-08-31 | 2021-01-22 | 辽宁三三工业有限公司 | Rear supporting device of shield tunneling machine and mounting method thereof |
| CN112943273A (en) * | 2021-03-27 | 2021-06-11 | 中冶华南建设工程有限公司 | Construction process of underground excavation tunnel |
| CN113622936A (en) * | 2021-08-31 | 2021-11-09 | 北京首尔工程技术有限公司 | Novel tunneling method and tunneling device |
| CN113775353A (en) * | 2021-09-24 | 2021-12-10 | 辽宁三三工业有限公司 | TMB tunnel belt conveyor supporting device and using method |
| CN114135292A (en) * | 2021-11-30 | 2022-03-04 | 中国铁建重工集团股份有限公司 | Shaft heading machine and modular multiplexing shield thereof |
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| US4368924A (en) * | 1980-04-23 | 1983-01-18 | Ed. Zublin Aktiengesellschaft | Driving shield |
| GB2172918A (en) * | 1985-03-26 | 1986-10-01 | Coal Ind | Excavating equipment |
| CN101434476A (en) * | 2008-12-16 | 2009-05-20 | 上海隧道工程股份有限公司 | Sealing plugging material and use thereof in shield break-in and break-out construction |
| CN101509381A (en) * | 2008-12-24 | 2009-08-19 | 中铁隧道集团有限公司 | Composite shield structure suitable for bad ground construction |
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Cited By (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704943A (en) * | 2012-05-30 | 2012-10-03 | 中铁隧道装备制造有限公司 | Shield structure formed by shallow tunneling method in air-pressure mode |
| CN102733813A (en) * | 2012-06-29 | 2012-10-17 | 中铁隧道装备制造有限公司 | Opened shield sealing device |
| CN102943677A (en) * | 2012-10-24 | 2013-02-27 | 中铁科工集团有限公司 | Manufacturing method for end shield of built-in grout block shield machine |
| CN102943677B (en) * | 2012-10-24 | 2014-08-27 | 中铁科工集团有限公司 | Manufacturing method for end shield of built-in grout block shield machine |
| CN103255991B (en) * | 2013-05-06 | 2015-06-17 | 中国铁建重工集团有限公司 | Slurry door for slurry shield tunneling machine and filling system of same |
| CN103255991A (en) * | 2013-05-06 | 2013-08-21 | 中国铁建重工集团有限公司 | Slurry door for slurry shield tunneling machine and filling system of same |
| CN103615255A (en) * | 2013-12-13 | 2014-03-05 | 东北大学 | Variable cross-section tunneling device of shield machine |
| CN103615255B (en) * | 2013-12-13 | 2015-11-04 | 东北大学 | A kind of variable cross-section mole of shield machine |
| CN103726853A (en) * | 2013-12-18 | 2014-04-16 | 北京市轨道交通建设管理有限公司 | Shield excavating device and shield machine |
| CN103726853B (en) * | 2013-12-18 | 2016-11-09 | 北京市轨道交通建设管理有限公司 | Shield digging device and shield machine |
| CN104179506A (en) * | 2014-07-30 | 2014-12-03 | 中铁三局集团有限公司 | Mud cake treatment method for shield |
| CN104179506B (en) * | 2014-07-30 | 2016-06-01 | 中铁三局集团有限公司 | The treatment process of a kind of shield structure mud lining |
| CN104533435A (en) * | 2014-11-27 | 2015-04-22 | 中铁工程装备集团有限公司 | Oscillating cutter head type rectangular section tube push bench |
| CN104632243A (en) * | 2015-01-09 | 2015-05-20 | 葛洲坝集团第五工程有限公司 | Construction waste slag removing system and method for open type heading machine |
| CN105386771A (en) * | 2015-12-17 | 2016-03-09 | 辽宁天安科技有限公司 | Shield type digging and anchoring machine |
| CN105649640A (en) * | 2016-02-01 | 2016-06-08 | 中铁十六局集团北京轨道交通工程建设有限公司 | Construction method for preventing roof caving of shield in construction |
| CN105649641A (en) * | 2016-02-01 | 2016-06-08 | 中铁十六局集团北京轨道交通工程建设有限公司 | Axis control method for shield sharp curve construction in upper-soft-lower-hard stratum |
| CN105649641B (en) * | 2016-02-01 | 2017-12-08 | 中铁十六局集团北京轨道交通工程建设有限公司 | The axial line control method of shield anxious curve construction in upper-soft lower-hard ground |
| CN105649640B (en) * | 2016-02-01 | 2017-12-08 | 中铁十六局集团北京轨道交通工程建设有限公司 | A kind of construction method for preventing shield roof fall in construction |
| CN105909266A (en) * | 2016-06-22 | 2016-08-31 | 济南轨道交通集团有限公司 | Special excavating equipment applicable to underground excavation construction of underground engineering |
| CN107060785A (en) * | 2017-06-18 | 2017-08-18 | 王志明 | A kind of vertical structure shield machine |
| CN107268681A (en) * | 2017-08-09 | 2017-10-20 | 中国铁建重工集团有限公司 | Piping lane apparatus for work |
| CN107387102A (en) * | 2017-08-22 | 2017-11-24 | 华东交通大学 | A kind of reconstruction shield machine of shield tunnel |
| CN107387102B (en) * | 2017-08-22 | 2023-11-14 | 华东交通大学 | Reconstruction shield machine for shield tunnel |
| CN108756909A (en) * | 2018-05-04 | 2018-11-06 | 中国电建集团铁路建设有限公司 | A kind of construction method of small space shield machine dismantling |
| CN108756909B (en) * | 2018-05-04 | 2019-11-12 | 中国电建集团铁路建设有限公司 | A kind of construction method of small space shield machine dismantling |
| CN109441469A (en) * | 2018-12-17 | 2019-03-08 | 中国铁建重工集团有限公司 | A kind of the self-propelled shield machine complete set of equipments and method for tunnel construction of the free section of fitting |
| CN109441469B (en) * | 2018-12-17 | 2024-02-13 | 中国铁建重工集团股份有限公司 | Self-propelled shield tunneling machine complete equipment fitting free section and tunnel construction method |
| CN109441473A (en) * | 2018-12-18 | 2019-03-08 | 徐州天地岩土科技有限公司 | A kind of light-duty intelligent tunneling pin-connected panel integration apparatus |
| CN109882189A (en) * | 2019-02-27 | 2019-06-14 | 中铁工程装备集团有限公司 | A kind of half section shield machine of the shape of a hoof and construction method suitable for fault belt |
| CN110030006B (en) * | 2019-04-12 | 2020-09-01 | 北京水工资环新技术开发有限公司 | Shield excavation method through water-saturated sand layer and with a large number of boulders in sand layer |
| CN110030006A (en) * | 2019-04-12 | 2019-07-19 | 北京水工资环新技术开发有限公司 | There is the shield tunneling method of a large amount of boulders by saturated sand and in layer of sand |
| CN110130914A (en) * | 2019-06-28 | 2019-08-16 | 重庆市能源投资集团科技有限责任公司 | A kind of preceding shield body of coal mine light section shield excavation machine |
| CN110778319A (en) * | 2019-11-22 | 2020-02-11 | 中铁工程装备集团有限公司 | Rectangular heading machine and construction method thereof |
| CN112253144A (en) * | 2020-08-31 | 2021-01-22 | 辽宁三三工业有限公司 | Rear supporting device of shield tunneling machine and mounting method thereof |
| CN112253144B (en) * | 2020-08-31 | 2022-08-02 | 辽宁三三工业有限公司 | Rear supporting device of shield tunneling machine and mounting method thereof |
| CN112943273A (en) * | 2021-03-27 | 2021-06-11 | 中冶华南建设工程有限公司 | Construction process of underground excavation tunnel |
| CN113622936A (en) * | 2021-08-31 | 2021-11-09 | 北京首尔工程技术有限公司 | Novel tunneling method and tunneling device |
| CN113775353A (en) * | 2021-09-24 | 2021-12-10 | 辽宁三三工业有限公司 | TMB tunnel belt conveyor supporting device and using method |
| CN113775353B (en) * | 2021-09-24 | 2024-03-19 | 辽宁三三工业有限公司 | TMB tunnel belt conveyor supporting device and use method |
| CN114135292A (en) * | 2021-11-30 | 2022-03-04 | 中国铁建重工集团股份有限公司 | Shaft heading machine and modular multiplexing shield thereof |
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Application publication date: 20120104 |