CN109915160A - Shield machine shield body - Google Patents
Shield machine shield body Download PDFInfo
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- CN109915160A CN109915160A CN201910347814.5A CN201910347814A CN109915160A CN 109915160 A CN109915160 A CN 109915160A CN 201910347814 A CN201910347814 A CN 201910347814A CN 109915160 A CN109915160 A CN 109915160A
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- anterior shield
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- 238000005192 partition Methods 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 235000007164 Oryza sativa Nutrition 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 4
- 235000009566 rice Nutrition 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 239000012141 concentrate Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 241000209094 Oryza Species 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000007363 ring formation reaction Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a kind of shield machine shield bodies, the shield machine shield body includes anterior shield, middle shield, tail shield, anterior shield, middle shield, tail shield are assembled by the removable piecemeal of at least two valves, each radial direction of anterior shield divides valve boundary line and each radial direction of middle shield that valve boundary line is divided to be staggered in the circumferential, and each radial direction of middle shield divides valve boundary line and each radial direction of tail shield that valve boundary line is divided to be staggered in the circumferential.Valve boundary line is divided to be staggered in the circumferential each radial direction of anterior shield, middle shield, tail shield, the circumferential torsion that avoidable shield body is subject to concentrates the flanged plate being transmitted to for connecting each point of lobe point, to avoid the bolt for connecting flange plate from being deformed by larger stress, facilitate by each point of lobe partition solution of anterior shield, middle shield, tail shield, in order to pass through obstacle engineering ground.Flanged plate on each shield body piecemeal is equipped with dowel hole, and two pieces of flanged plates being conveniently connected screw on bolt；Two pieces of flanged plates being connected are equipped with ring type seal in sealing ring mounting groove, can enhance the leakproofness of shield body.
Description
Technical field
The present invention relates to shield machine technical fields, and in particular to a kind of shield machine shield body.
Background technique
With the raising of China's expanding economy and overall national strength, the upsurge in construction of underground engineering is had come to, especially
The speed of large- and-medium size cities underground space development is accelerated, and a kind of construction technology of the shield method as maturation, using being increasingly
Extensively, it can be all applied in current many underground engineerings.
Currently, shield machine is frequently encountered the case where needing across obstacle engineering in Tunnel Boring work progress, than
Such as, when subway work, if shield machine advance encounters the underground transfer station built up, shield machine is entering in this case
Host must be disintegrated after in transfer station, then backtracking or miss the stop after disintegrating is hung out, again erection and launching；Than
Such as, when subway work, tunnel and underground station would generally construct simultaneously, if shield machine, which advances to reach, has completed other
The underground station of structure construction or the height of underground station inner space are unable to satisfy shield machine translating station-crossing, such case
Under be also required to disintegrate shield machine, then backtracking or miss the stop and hang out after disintegrating, again erection and launching.
The Chinese patent literature of Publication No. CN109538223A describes a kind of double-deck shield shell that can be dismantled in tunnel
Shield body system, including shield body and meter Zi Liang, shield body include that sequentially connected anterior shield, preceding middle shield, rear middle shield and tail shield, anterior shield include
Anterior shield shell is equipped with piecemeal in anterior shield in anterior shield shell, and piecemeal passes through pulling plate pulling block bindiny mechanism and the outer shell phase of anterior shield in anterior shield
Connection；Preceding middle shield includes preceding middle shield shell, piecemeal in preceding middle shield is equipped in preceding middle shield shell, piecemeal is drawn by pulling plate in preceding middle shield
Block bindiny mechanism is connected with preceding middle shield shell；Middle shield includes shield shell in rear afterwards, and interior point of shield in rear is equipped in rear middle shield shell
Block, piecemeal is connected by pulling plate pulling block bindiny mechanism with rear middle shield shell in middle shield afterwards.
Needing after the double-deck shield shell shield body system fractionation shield body that can be dismantled in tunnel disclosed in above patent document will be outer
Layer shield shell is retained in tunnel, and when shield machine advances and reaches underground station, generally there is enough safety empty in underground station
Between shield machine is split, supporting need not be carried out using shell again, shell can not take out, cause the waste of shield body shell,
In addition, section of jurisdiction cannot be installed at left shield outer shell again, shield outer shell be also faced with outer peripheral surface draining, end with
The problems such as being sealed between adjacent section of jurisdiction.
For these reasons, it is necessary to which shield casing, easy-to-mount shield machine shield body will not be wasted by providing one kind.
Summary of the invention
The present invention is intended to provide a kind of shield machine shield body, solves shield machine shield body in the prior art and is not easy to split, is difficult to lead to
The technical issues of crossing the obstacles engineering such as underground station.
In order to solve the above technical problems, the invention adopts the following technical scheme:
A kind of shield machine shield body, including anterior shield, middle shield, tail shield are designed, the anterior shield, middle shield, tail shield are removable by least two valves
Dress piecemeal is assembled into, and each radial direction of the anterior shield divides valve boundary line and each radial direction of the middle shield that valve boundary line is divided to be staggered in the circumferential,
Each radial direction of the middle shield divides valve boundary line and each radial direction of the tail shield that valve boundary line is divided to be staggered in the circumferential.
Preferably, the anterior shield includes pintongs anterior shield piecemeal, respectively left front shield piecemeal, upper anterior shield piecemeal, right anterior shield point
Block and lower anterior shield piecemeal；The middle shield includes middle anterior shield and middle backing, and the middle anterior shield includes anterior shield piecemeal in pintongs, respectively
Left anterior shield piecemeal, upper middle anterior shield piecemeal, anterior shield piecemeal and lower middle anterior shield piecemeal, the middle backing include backing in pintongs in the right side
Piecemeal, respectively left backing piecemeal, upper middle backing piecemeal, the right side in backing piecemeal and lower middle backing piecemeal；The tail shield includes
Two valve tail shield piecemeals, respectively upper tail shield piecemeal and lower tail shield piecemeal.
Preferably, the inner wall of each anterior shield piecemeal is equipped with radially inwardly extending fan-shaped partition piecemeal, each institute
It states partition piecemeal and forms partition inside the anterior shield, be the mounting hole for installing the main driving of cutterhead in the middle part of the partition；Institute
It states the partition piecemeal on anterior shield piecemeal and is equipped with the manhole passed through for maintenance personal；Partition piecemeal on the lower anterior shield piecemeal
Equipped with the conveying auger through-hole for being passed through for soil conveying auger；The front of each middle anterior shield piecemeal is equipped with edge in inner wall
The middle anterior shield inward flange piecemeal extended radially inwardly, the middle anterior shield inside that each middle anterior shield inward flange piecemeal group circularizes are convex
Edge, the middle part of each middle anterior shield piecemeal are equipped with radially inwardly extending middle anterior shield in inner wall and reinforce flange, it is each it is described in
Anterior shield reinforces the middle anterior shield that flange group circularizes and reinforces flange；The rear portion of each middle backing piecemeal is equipped with radially in inner wall
The middle backing inward flange piecemeal to extend internally, the middle backing inward flange that each middle backing inward flange piecemeal group circularizes；Institute
It states middle part in middle backing and is equipped with rice word beam；Each tail shield piecemeal front is equipped in radially inwardly extending tail shield in inner wall
Flange piecemeal, the tail shield inward flange that each tail shield inward flange piecemeal group circularizes.
Preferably, the oil cylinder support of the end for connecting propelling cylinder is equipped in the inner wall of the middle anterior shield piecemeal
Seat, the oil cylinder support base is correspondingly arranged at the middle anterior shield inner flange piecemeal and middle anterior shield is reinforced between flange piecemeal, and
The oil cylinder support base is reinforced flange piecemeal with the middle anterior shield inner flange piecemeal and middle anterior shield and is fixedly connected with；After in described
Propelling cylinder through hole is correspondingly provided on shield inward flange piecemeal and the tail shield inward flange piecemeal.
Preferably, the two sides of each anterior shield piecemeal are equipped with flanged plate, between the adjacent anterior shield piecemeal by across
The bolt of companion flange plate connects；The two sides of the middle anterior shield piecemeal are equipped with flanged plate, between the adjacent middle anterior shield piecemeal
Bolt by passing through companion flange plate connects；The two sides of the middle backing piecemeal are equipped with flanged plate, the adjacent middle backing
Between piecemeal by pass through companion flange plate bolt connection；The two sides of the tail shield piecemeal are equipped with flanged plate, adjacent described
Between tail shield piecemeal by pass through companion flange plate bolt connection.
Preferably, shop bolt is correspondingly provided between two pieces of flanged plates being connected.
Preferably, the sealing ring mounting groove of annular is correspondingly provided on two pieces of flanged plates being connected, described close
Ring type seal is equipped in seal mounting groove.
Preferably, the outer edge of each flanged plate is equipped with the groove for welding.
Preferably, the corresponding trunnion axis along the shield machine shield body of each removable piecemeal of the anterior shield, middle shield or tail shield
Line or vertical axis are symmetrical.
The beneficial technical effect of the present invention lies in:
1. shield machine shield body provided by the invention is by dividing valve boundary line and each radial direction of middle shield to divide valve boundary line each radial direction of anterior shield
It is staggered in the circumferential, each radial direction of middle shield divides valve boundary line and each radial direction of tail shield that valve boundary line is divided to be staggered in the circumferential, can avoid shield
The circumferential torsion that body is subject to concentrates the flanged plate being transmitted to for connecting each point of lobe point, to avoid for connecting flange plate
Bolt deformed by larger stress, when shield machine proceed to can not directly entirely through obstacle engineering (such as
Iron underground station) when, facilitate by each point of lobe partition solution of anterior shield, middle shield, tail shield, in order to pass through obstacle engineering ground.
2. the flanged plate on each shield body piecemeal is equipped with dowel hole, two pieces of flanged plates being conveniently connected screw on bolt；Phase
Two pieces of flanged plates of connection are equipped with ring type seal in sealing ring mounting groove, when can prevent shield machine from tunneling, except shield body
Liquid penetrates into inside shield body；Adjacent two pieces of flanged plates setting groove can enhance the leakproofness of shield body for being welded.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of each piecemeal of anterior shield of one embodiment of the invention shield machine shield body；
Fig. 2 is the structural schematic diagram of each piecemeal of middle anterior shield of one embodiment of the invention shield machine shield body；
Fig. 3 is the structural schematic diagram of each piecemeal of middle backing of one embodiment of the invention shield machine shield body；
Fig. 4 is the main view of the middle backing of one embodiment of the invention shield machine shield body；
Fig. 5 is the structural schematic diagram of each piecemeal of tail shield of one embodiment of the invention shield machine shield body；
Fig. 6 is the partial view of the left front shield piecemeal of one embodiment of the invention shield machine shield body；
Fig. 7 is the structural schematic diagram that anterior shield, middle anterior shield, middle backing, the tail shield of one embodiment of the invention shield machine shield body are connected.
In figure, the signal of each label are as follows: anterior shield 10, left front shield piecemeal 11, upper anterior shield piecemeal 12, right anterior shield piecemeal 13, it is lower before
Shield piecemeal 14, partition piecemeal 15, arc panel 16, flanged plate 17, dowel hole 171, multiple bolts hole 172, ring type seal
173, groove 174, anterior shield inward flange 18, middle anterior shield 20, left anterior shield piecemeal 21, upper middle anterior shield piecemeal 22, the right side in anterior shield piecemeal
23, lower middle anterior shield piecemeal 24, anterior shield inward flange piecemeal 25, flanged plate 27, middle anterior shield inner flange 28, middle anterior shield reinforce flange
29, middle backing 30, left backing piecemeal 31, upper middle backing piecemeal 32, the right side in backing piecemeal 33, lower middle backing piecemeal 34, annular
Beam piecemeal 35, meter Zi Liang mounting base 351, oil cylinder through hole 352, meter Zi Liang 353, flanged plate 37, middle backing inward flange 38, annular
Beam 39, tail shield 40, upper tail shield piecemeal 41, lower tail shield piecemeal 42, tail shield inward flange piecemeal 45, propelling cylinder through hole 452, flange
It is plate 47, tail shield inward flange 48, oil cylinder support base 51, ear mount 511, propelling cylinder 52, support boots 521, cylinder barrel fixing seat 53, hinged close
Seal 54.
Specific embodiment
Illustrate a specific embodiment of the invention with reference to the accompanying drawings and examples, but following embodiment is used only in detail
It describes the bright present invention in detail, does not limit the scope of the invention in any way.
Embodiment 1:
A kind of shield machine shield body, also referring to Fig. 1 to Fig. 7.
Shield machine shield body provided in an embodiment of the present invention includes anterior shield, middle shield, tail shield, and anterior shield, middle shield, tail shield are annulus
Shape and front and back is sequentially connected.Anterior shield, middle shield, tail shield are assembled by the removable piecemeal of more valves, and each radial direction of anterior shield divides valve boundary line
Valve boundary line is divided to be staggered in the circumferential with each radial direction of middle shield, each radial direction of middle shield divides valve boundary line and each radial direction of tail shield to divide valve boundary line
It is staggered in the circumferential.
Above-mentioned anterior shield, middle shield, tail shield each point of lobe point by flange and be bolted, the cutterhead rotation process of shield machine
In, the circumferential torsion that shield body is subject to is shared by entire shield body,
By dividing valve boundary line and each radial direction of middle shield that valve boundary line is divided to be staggered in the circumferential each radial direction of anterior shield, each radial direction of middle shield
Divide valve boundary line and each radial direction of tail shield that valve boundary line is divided to be staggered in the circumferential, the circumferential torsion concentration that avoidable shield body is subject to is transmitted to
For connecting the flanged plate of each point of lobe point, so that the bolt for connecting flange plate be avoided to be become by larger stress
Shape, if bolt deforms, the later period disassemble anterior shield, middle shield, tail shield each point of lobe point will be very difficult.
Specifically, as shown in Figure 1, anterior shield includes pintongs anterior shield piecemeal, respectively left front shield piecemeal 11, upper anterior shield piecemeal
12, right anterior shield piecemeal 13 and lower anterior shield piecemeal 14, each anterior shield piecemeal is arc surfaced plate, at annular shape after combining；Before each
The inner wall of shield piecemeal is equipped with radially inwardly extending fan-shaped partition piecemeal 15, and each partition piecemeal 15 forms inside anterior shield
Partition.
The inside of each partition piecemeal 15 is equipped with arc panel 16, and four pieces of arc panels 16 form the peace for installing the main driving of cutterhead
Hole is filled, for the anterior shield of shield machine, the front in partition first half space is for accommodating cutterhead, and the main shaft bearing outer-ring of cutterhead is logical
Bolt is crossed to be fixed on mounting hole；The rear lower in partition first half space is for constructing Tu Cang, on lower anterior shield piecemeal 14
Partition piecemeal 15 be equipped with conveying auger through-hole 151, conveying auger a part is located in native storehouse, after another part is located at partition
Side, so that the soil accumulated in native storehouse be exported；Partition piecemeal 15 on upper anterior shield piecemeal 12 is equipped with to be worn for maintenance personal
The manhole 152 crossed, maintenance personal can enter partition front by manhole 152, repair to cutterhead, if in need, may be used also
Pressure maintaining storehouse is constructed in the upper back in partition first half space, for maintaining soil pressure in cutterhead front space.
The two sides of each anterior shield piecemeal are equipped with flanged plate 17, multiple bolts hole are laid on each flanged plate 17, before adjacent
Between shield piecemeal by pass through companion flange plate bolt connection.
Further, in the present embodiment, middle shield includes middle anterior shield and middle backing.
As shown in Fig. 2, middle anterior shield includes anterior shield piecemeal in pintongs, respectively left anterior shield piecemeal 21, upper middle anterior shield piecemeal
22, anterior shield piecemeal 23 and lower middle anterior shield piecemeal 24 in the right side, each middle anterior shield piecemeal is arc surfaced plate, Cheng Yuanhuan after combining
Shape.
The front of each middle anterior shield piecemeal inner wall be equipped with radially inwardly extending middle anterior shield inward flange piecemeal 25, it is each in
The middle anterior shield inner flange that 25 groups of anterior shield inward flange piecemeal circularizes, middle anterior shield inner flange can be used for connecting anterior shield.Before in each
The middle part of shield piecemeal is equipped with radially inwardly extending middle anterior shield in inner wall and reinforces flange, and each middle anterior shield reinforces flange group cyclization
The middle anterior shield of shape reinforces flange.
It can play a supporting role due to being equipped with partition inside anterior shield, meter Zi Liang is equipped with inside middle backing can also play branch
Support effect, but lack the component that can be played a supporting role inside middle anterior shield, therefore anterior shield reinforces flange in special setting.
The two sides of each middle anterior shield piecemeal are equipped with flanged plate 27, are laid with multiple bolts hole on flanged plate 27, it is adjacent in
Between anterior shield piecemeal by pass through companion flange plate 27 bolt connection.
As shown in figure 3, middle backing includes backing piecemeal in pintongs, respectively left backing piecemeal 31, upper middle backing piecemeal
32, backing piecemeal 33 and lower middle backing piecemeal 34 in the right side, each middle backing piecemeal is arc surfaced plate, Cheng Yuanhuan after combining
Shape；Inner wall is equipped with annular girder piecemeal 35 in the middle part of each middle backing piecemeal, is correspondingly provided on annular girder piecemeal 35 for for pushing away
The oil cylinder through hole 352 that oil inlet cylinder passes through, the present embodiment shield machine shield body is interior to be equipped with 10 propelling cylinders, therefore is correspondingly provided with 10
A oil cylinder through hole 352.
Rice word beam mounting base is equipped on the annular girder piecemeal 35 on upper middle backing piecemeal 32 and lower middle backing piecemeal 34
351, as shown in figure 4, left backing piecemeal 31, upper middle backing piecemeal 32, backing piecemeal 33 and 34 groups of middle backing piecemeal lower in the right side
After dress, each annular girder piecemeal 35 forms annular girder, and rice word beam 353, meter Zi Liang 353 can be installed in meter Zi Liang mounting base 351
It plays a supporting role inside centering backing.
The rear portion of each middle backing piecemeal is additionally provided with radially inwardly extending middle backing inward flange piecemeal in inner wall,
The middle backing inward flange that each middle backing inward flange piecemeal group circularizes, middle backing inward flange can be used for connecting tail shield.
As shown in figure 3, the two sides of middle backing piecemeal are equipped with flanged plate 37, multiple bolts hole are laid on flanged plate 37,
Between adjacent middle backing piecemeal by pass through companion flange plate bolt connection.
As shown in figure 5, tail shield includes two valve tail shield piecemeals, and respectively upper tail shield piecemeal 41 and lower tail shield piecemeal 42, each tail
Shield piecemeal front is equipped with radially inwardly extending tail shield inward flange piecemeal 45, each tail shield inward flange piecemeal group cyclization in inner wall
The tail shield inward flange of shape, tail shield inward flange can be used for backing in connection.
Tail shield inward flange piecemeal 45 is equipped with propelling cylinder through hole 452, is also correspondingly provided with propulsion on middle backing inward flange
Oil cylinder through hole, 10 propelling cylinder circumferential directions are laid in inside shield body, and the cylinder barrel of propelling cylinder is fixed in shield body, propelling cylinder
Front support in middle anterior shield, rear end is equipped with support boots, and cylinder barrel is needed across oil cylinder through hole 352, and support boots need across
The propelling cylinder through hole on flange inside middle backing and tail shield.
It is equipped with flanged plate 47 in the two sides of tail shield piecemeal, multiple bolts hole, adjacent tail shield point are laid on flanged plate 47
Between block by pass through companion flange plate bolt connection.
Further, as shown in fig. 6, the flanged plate 17 of left front shield piecemeal 11 is equipped with dowel hole 171 and multiple spiral shells
Keyhole 172 when assembling, is first inserted into shop bolt in the dowel hole 171 between two pieces of flanged plates being connected, in order to even
Connecting bolt.The sealing ring mounting groove of annular is additionally provided on flanged plate 17, two pieces of flanged plates being connected are in sealing ring mounting groove
Equipped with ring type seal 173, when preventing shield machine from tunneling, the liquid except shield body penetrates into inside shield body.In addition, each flanged plate 17
Outer edge be equipped with for welding groove 174, after adjacent two pieces of flanged plates are bolted, by adjacent two pieces of flanged plates
It is welded at groove 174, to enhance the leakproofness of shield body.
Other above-mentioned flanged plates it is similar with the flanged plate in Fig. 6 be equipped with dowel hole, ring type seal and slope
Mouthful.
Further, the connection type of anterior shield 10, middle anterior shield 20, middle backing 30, tail shield 40 is as shown in fig. 7, anterior shield 10
Tail portion is equipped with anterior shield inward flange 18, anterior shield inner flange 28 in each middle anterior shield inward flange piecemeal 25 composition, anterior shield inward flange 18 with
It multiple is bolted between middle anterior shield inner flange 28 by circumferentially disposed.
Reinforce being equipped with oil cylinder support base 51, oil cylinder support base between flange 29 in middle 20 inner flange 28 of anterior shield and middle anterior shield
51 rear and front end is reinforced flange 29 with middle anterior shield inner flange 28 and middle anterior shield respectively and is welded, and oil cylinder support base 51 is equipped with ear
Seat 511, the front end of propelling cylinder 52 is hinged in ear mount 511.The annular girder 39 that each annular girder piecemeal 35 forms, propelling cylinder 52
Across corresponding oil cylinder through hole 352；Cylinder barrel fixing seat 53, the cylinder barrel rear end pair of propelling cylinder 52 are equipped with inside middle backing 30
It should be mounted in cylinder barrel fixing seat 53.
Therefore, it is connected between middle anterior shield 20 and middle backing 30 by propelling cylinder 52, and 30 phase of middle anterior shield 20 and middle backing
Hinged sealing ring 54 is equipped between the thin-walled of overlapping.Under the effect of propelling cylinder 52, what anterior shield 10, middle anterior shield 20 and cutterhead formed
Host can be relative to 40 Small-angle Rotation of middle backing 30 and tail shield.
Backing inward flange 38 in each middle backing inward flange piecemeal composition, each tail shield inward flange piecemeal form tail shield inward flange
48, between middle backing inward flange 38 and tail shield inward flange 48 by multiple circumferentially distributed bolts connection.52 rear end of propelling cylinder
Support boots 521 are connected with, support boots 521 pass through the propelling cylinder through hole 452 on middle backing inward flange 38 and tail shield inward flange 48, support
The end of boots 521 is located in tail shield 40, and when propelling cylinder 52 extends, support 521 end of boots can be resisted against ring pipe on piece, thus
Shield machine is pushed to advance.
As shown in Figure 1, the radial direction of left front shield piecemeal 11 and right 13 two sides of anterior shield piecemeal is divided between valve boundary line in the present embodiment
Angle be 93 °, the angle that the radial direction of upper anterior shield piecemeal 12 and lower 14 two sides of anterior shield piecemeal is divided between valve boundary line is 87 °；Such as Fig. 2
Shown, the angle that the radial direction of 23 two sides of anterior shield piecemeal is divided between valve boundary line in left anterior shield piecemeal 21 and the right side is 72 °, upper middle anterior shield
The angle that the radial direction of piecemeal 22 and lower middle 24 two sides of anterior shield piecemeal is divided between valve boundary line is 108 °；As shown in figure 3, left backing point
The angle that the radial direction of 33 two sides of backing piecemeal is divided between valve boundary line in block 31 and the right side is 72 °, upper middle backing piecemeal 32 and it is lower in after
The angle that the radial direction of 34 two sides of shield piecemeal is divided between valve boundary line is 108 °；As shown in figure 5, the radial direction of upper 41 two sides of tail shield piecemeal point
Angle between valve boundary line is 162 °.
When each piecemeal of anterior shield 10 assembles, each piecemeal is symmetrical along the horizontal axis and vertical axis of shield body, for example, left front shield point
Block 11 is symmetrical set along the lateral central axes of anterior shield, and upper anterior shield piecemeal 12 is set along the vertical central axes of anterior shield bilateral symmetry
It sets.Middle anterior shield 20, middle backing 30, tail shield 40 each piecemeal be also arranged in the manner described above so that shield body in match rebalancing method.
Due to connecting between middle anterior shield and middle backing by propelling cylinder, apparent circumferential torsion is not present between each other,
Therefore, middle anterior shield and each piecemeal of middle backing divide valve boundary line that can be overlapped.Anterior shield 10, middle anterior shield 20,30 wall thickness of middle backing in 50mm,
40 wall thickness 40mm of tail shield, since tail shield wall thickness is relatively thin, rigidity is relatively poor, therefore only by tail shield dimidiation, to guarantee to divide
The circularity for the tail shield being spliced into again afterwards.
The present invention is described in detail above in conjunction with drawings and examples, still, those of skill in the art
Member is it is understood that without departing from the purpose of the present invention, can also carry out each design parameter in above-described embodiment
Change, forms multiple specific embodiments, is common variation range of the invention, is no longer described in detail one by one herein.
Claims (9)
1. a kind of shield machine shield body, including anterior shield, middle shield, tail shield, the anterior shield, middle shield, tail shield are removable by least two valves
Piecemeal is assembled into, which is characterized in that each radial direction of the anterior shield divides valve boundary line and each radial direction of the middle shield to divide valve boundary line in week
It is staggered upwards, each radial direction of the middle shield divides valve boundary line and each radial direction of the tail shield that valve boundary line is divided to be staggered in the circumferential.
2. shield machine shield body according to claim 1, which is characterized in that the anterior shield includes pintongs anterior shield piecemeal, respectively
For left front shield piecemeal, upper anterior shield piecemeal, right anterior shield piecemeal and lower anterior shield piecemeal；
The middle shield includes middle anterior shield and middle backing, and the middle anterior shield includes anterior shield piecemeal in pintongs, respectively left anterior shield point
Block, upper middle anterior shield piecemeal, anterior shield piecemeal and lower middle anterior shield piecemeal, the middle backing include backing piecemeal in pintongs in the right side, respectively
For backing piecemeal and lower middle backing piecemeal in left backing piecemeal, upper middle backing piecemeal, the right side；
The tail shield includes two valve tail shield piecemeals, respectively upper tail shield piecemeal and lower tail shield piecemeal.
3. shield machine shield body according to claim 2, which is characterized in that the inner wall of each anterior shield piecemeal is equipped with along diameter
To the fan-shaped partition piecemeal to extend internally, each partition piecemeal forms the partition inside the anterior shield, the partition middle part
For the mounting hole for installing the main driving of cutterhead；Partition piecemeal on the upper anterior shield piecemeal, which is equipped with, is used for what maintenance personal passed through
Manhole；Partition piecemeal on the lower anterior shield piecemeal is equipped with the conveying auger through-hole for passing through for soil conveying auger；
The front of each middle anterior shield piecemeal is equipped with radially inwardly extending middle anterior shield inward flange piecemeal in inner wall, each described
The middle part of the middle anterior shield inner flange that middle anterior shield inward flange piecemeal group circularizes, each middle anterior shield piecemeal is equipped with edge in inner wall
The middle anterior shield extended radially inwardly reinforces flange, and each middle anterior shield reinforces the middle anterior shield that flange group circularizes and reinforces flange；
The rear portion of each middle backing piecemeal is equipped with radially inwardly extending middle backing inward flange piecemeal in inner wall, each described
The middle backing inward flange that middle backing inward flange piecemeal group circularizes；Middle part is equipped with rice word beam in the middle backing；
Each tail shield piecemeal front is equipped with radially inwardly extending tail shield inward flange piecemeal in inner wall, in each tail shield
The tail shield inward flange that flange piecemeal group circularizes.
4. shield machine shield body according to claim 3, which is characterized in that be equipped with and use in the inner wall of the middle anterior shield piecemeal
Oil cylinder support base in the end of connection propelling cylinder, the oil cylinder support base are correspondingly arranged at the middle anterior shield inner flange point
Block and middle anterior shield are reinforced between flange piecemeal, and the oil cylinder support base adds with the middle anterior shield inner flange piecemeal and middle anterior shield
Strong flange piecemeal is fixedly connected with；
It is correspondingly provided on the middle backing inward flange piecemeal and the tail shield inward flange piecemeal for for propelling cylinder through hole.
5. shield machine shield body according to claim 3, which is characterized in that the two sides of each anterior shield piecemeal are equipped with flange
Plate, between the adjacent anterior shield piecemeal by pass through companion flange plate bolt connection；The two sides of the middle anterior shield piecemeal are all provided with
Have a flanged plate, between the adjacent middle anterior shield piecemeal by pass through companion flange plate bolt connection；The middle backing piecemeal
Two sides are equipped with flanged plate, between the adjacent middle backing piecemeal by pass through companion flange plate bolt connection；The tail shield
The two sides of piecemeal are equipped with flanged plate, between the adjacent tail shield piecemeal by pass through companion flange plate bolt connection.
6. shield machine shield body according to claim 5, which is characterized in that right between two pieces of flanged plates being connected
Shop bolt should be equipped with.
7. shield machine shield body according to claim 5, which is characterized in that corresponding on two pieces of flanged plates being connected
Sealing ring mounting groove equipped with annular is equipped with ring type seal in the sealing ring mounting groove.
8. shield machine shield body according to claim 5, which is characterized in that the outer edge of each flanged plate is equipped with for welding
The groove connect.
9. shield machine shield body according to claim 1, which is characterized in that the anterior shield, middle shield or tail shield it is each removable
The corresponding horizontal axis or vertical axis along the shield machine shield body of piecemeal is symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910347814.5A CN109915160B (en) | 2019-04-28 | 2019-04-28 | Shield body of shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910347814.5A CN109915160B (en) | 2019-04-28 | 2019-04-28 | Shield body of shield machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109915160A true CN109915160A (en) | 2019-06-21 |
| CN109915160B CN109915160B (en) | 2024-03-15 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110671121A (en) * | 2019-09-23 | 2020-01-10 | 中铁工程服务有限公司 | Disassembly structure, disassembly method and repair method of shield machine |
| CN111075465A (en) * | 2019-12-20 | 2020-04-28 | 中铁工程装备集团有限公司 | Push bench that can be used to three lane rectangle tunnel constructions |
| CN112647959A (en) * | 2020-12-28 | 2021-04-13 | 中国建筑股份有限公司 | Shield tail structure of shield machine |
| CN114086972A (en) * | 2021-11-30 | 2022-02-25 | 中铁十四局集团隧道工程有限公司 | Construction method for disassembling shield body of shield tunneling machine in hole without expanding excavation and partitioning |
| 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 |
| CN114961759A (en) * | 2022-07-29 | 2022-08-30 | 北京建工土木工程有限公司 | Modular double-shell shield host and shelling, disassembling and remanufacturing method thereof |
| CN116398155A (en) * | 2023-06-08 | 2023-07-07 | 中建交通建设集团有限公司 | Main machine shield body of assembled shell-discarding and disassembly shield machine and mounting and dismounting method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110671121A (en) * | 2019-09-23 | 2020-01-10 | 中铁工程服务有限公司 | Disassembly structure, disassembly method and repair method of shield machine |
| CN111075465A (en) * | 2019-12-20 | 2020-04-28 | 中铁工程装备集团有限公司 | Push bench that can be used to three lane rectangle tunnel constructions |
| CN111075465B (en) * | 2019-12-20 | 2021-12-14 | 中铁工程装备集团有限公司 | Push bench that can be used to three lane rectangle tunnel constructions |
| CN112647959A (en) * | 2020-12-28 | 2021-04-13 | 中国建筑股份有限公司 | Shield tail structure of shield machine |
| CN112647959B (en) * | 2020-12-28 | 2022-07-12 | 中国建筑股份有限公司 | Shield tail structure of shield machine |
| CN114086972A (en) * | 2021-11-30 | 2022-02-25 | 中铁十四局集团隧道工程有限公司 | Construction method for disassembling shield body of shield tunneling machine in hole without expanding excavation and partitioning |
| 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 |
| CN114086972B (en) * | 2021-11-30 | 2024-01-30 | 中南大学 | Construction method for detaching shield body of shield machine without expanding excavation and blocking in hole |
| CN114135292B (en) * | 2021-11-30 | 2024-05-07 | 中国铁建重工集团股份有限公司 | Shaft development machine and modularized multiplexing shield body thereof |
| CN114961759A (en) * | 2022-07-29 | 2022-08-30 | 北京建工土木工程有限公司 | Modular double-shell shield host and shelling, disassembling and remanufacturing method thereof |
| CN116398155A (en) * | 2023-06-08 | 2023-07-07 | 中建交通建设集团有限公司 | Main machine shield body of assembled shell-discarding and disassembly shield machine and mounting and dismounting method thereof |
| CN116398155B (en) * | 2023-06-08 | 2023-09-26 | 中建交通建设集团有限公司 | Main machine shield body of assembled shell-discarding and disassembly shield machine and mounting and dismounting method thereof |
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