CN109057809A - The technique for being conveniently replaceable the sliding section of jurisdiction of shield tail brush and replacing shield tail brush using it - Google Patents
The technique for being conveniently replaceable the sliding section of jurisdiction of shield tail brush and replacing shield tail brush using it Download PDFInfo
- Publication number
- CN109057809A CN109057809A CN201810868690.0A CN201810868690A CN109057809A CN 109057809 A CN109057809 A CN 109057809A CN 201810868690 A CN201810868690 A CN 201810868690A CN 109057809 A CN109057809 A CN 109057809A
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- Prior art keywords
- jurisdiction
- section
- shield tail
- shield
- tail brush
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 8
- 239000004519 grease Substances 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 17
- 239000010959 steel Substances 0.000 description 17
- 238000010586 diagram Methods 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0607—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield being provided with devices for lining the tunnel, e.g. shuttering
-
- 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
-
- 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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0635—Tail sealing means, e.g. used as end shuttering
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of sliding sections of jurisdiction for being conveniently replaceable shield tail brush, comprising: multiple sections of jurisdiction, arc-shaped are spliced to form a complete circle cyclic structure each other；Section of jurisdiction adjacent for any two of them, its two sides side wall being in contact is recessed inwardly along its depth direction respectively to be formed the groove of a strip, outwardly protrude the protrusion to form a strip, the male cooperation card and in the groove, so that two sections of jurisdiction be connected.The configuration of the present invention is simple, it is easy to operate, during replacing shield tail brush, by the sliding between section of jurisdiction, avoids and remove original section of jurisdiction, simplify working procedure, significantly improve work efficiency.
Description
Technical field
The present invention relates to section of jurisdiction fields.It is more particularly related to a kind of sliding section of jurisdiction for being conveniently replaceable shield tail brush
And the technique using its replacement shield tail brush.
Background technique
With the fast development of urban track traffic, shield is also developed by leaps and bounds.But shield is in long distance driving process
In, usually because of the presence of pipe sheet assembling attitude misalignment, longitudinal joint, circumferential weld, the slurries of synchronous grouting is caused to scurry into shield tail, solidifies shield
Ventral brush, time length, it causes shield tail brush to follow the string, in turn results in shield tail brush wear, tail sealing is caused to fail, Jin Ercun
In shield tail risk of leakage.Therefore, it in shield tunneling process, needs according to feelings such as the abrasion condition of shield tail brush and hydrogeologys
Condition judges whether to need replacing shield tail brush.Since the routine replacement shield tail brush time is longer, process is tedious, especially in high hydraulic pressure
Complicated Geologic Condition, replacement shield tail brush is answered double cautious, avoids the occurrence of catastrophic effect.
Summary of the invention
The present invention provides a kind of sliding section of jurisdiction for being conveniently replaceable shield tail brush and the technique that shield tail brush is replaced using it, safety
Reliably, applicability is high, solves the problems, such as exchanging shield ventral brush in the prior art.
In order to achieve the goal above, the present invention provides a kind of sliding section of jurisdiction for being conveniently replaceable shield tail brush, comprising:
Multiple sections of jurisdiction, arc-shaped are spliced to form a complete circle cyclic structure each other；
Section of jurisdiction adjacent for any two of them, the two sides side wall being in contact are recessed inwardly shape along its depth direction respectively
It at the groove of a strip, outwardly protrudes to form the protrusion of a strip, the male cooperation card and in the groove, from
And two sections of jurisdiction are connected.
Preferably, the sliding section of jurisdiction for being conveniently replaceable shield tail brush, the multiple section of jurisdiction specifically includes each other successively
K block, B block, C block, A1 block, A2 block and the A3 block of splicing.
Preferably, the sliding section of jurisdiction for being conveniently replaceable shield tail brush places a hydraulic rigid in each section of jurisdiction
Top lift part, one end are fixed in the section of jurisdiction, and the other end is equipped with fagging, and can be flexible along section of jurisdiction direction.
Preferably, the sliding section of jurisdiction for being conveniently replaceable shield tail brush, the groove of each section of jurisdiction are pacified along its length
A flexible sheets, the multiple springs of right angle setting between the two are filled, and the length of multiple springs successively changes；Described flexible sheets one end
It is fixed in the groove of the section of jurisdiction, groove of the other end far from the section of jurisdiction；The groove of the flexible sheets and the section of jurisdiction it
Between the setting of inclined acute angle.
Preferably, the sliding section of jurisdiction for being conveniently replaceable shield tail brush, the section of jurisdiction include: two outer layer sections of jurisdiction, that
This
Interval, it is whole that side seals form a sealing；
Multiple internal layer sections of jurisdiction are parallelly mounted between two outer layer sections of jurisdiction；
Multiple stiffness springs are installed vertically between two outer layer sections of jurisdiction, and pass through the internal layer section of jurisdiction；The rigidity
Spring includes internally positioned columned inner spring and the outer spring that is sheathed on outside it, big at both ends and small in middle.
A kind of technique using sliding section of jurisdiction replacement shield tail brush,
S1, after shield machine releases the position of N-1 endless tube piece, first assembled wherein any one section of jurisdiction, it is then assembled and its
Another adjacent section of jurisdiction is matched using the groove and protrusion of the two, and protrusion is fastened in groove, thus by two sections of jurisdiction
It connects；
S2, circulation above-mentioned steps S1 form the complete section of jurisdiction of a ring until the splicing of all sections of jurisdiction is finished；
The position of S3, as needed replacement shield tail brush, calculates the position of corresponding section of jurisdiction to be slid out；
S4, using the protrusion and the cooperation of groove between two neighboring section of jurisdiction, realize pushing tow section of jurisdiction to be slid along phase
Adjacent section of jurisdiction sliding, until exposing shield tail brush to be replaced, i.e., replaceable shield tail brush；
S5, it is finished to exchanging shield ventral brush, the section of jurisdiction pushing tow slid is restored to original position；
S6, repeat the above steps S3-S5, until completing all exchanging shield ventral brush.
Preferably, the sliding section of jurisdiction for being conveniently replaceable shield tail brush, before step S1, further includes:
S0, polyurethane is infused in N ring and N+1 endless tube piece after shield tail, infuses dual slurry sealing, shield in N+2 to N+6 endless tube piece
Tail footpath infuses weighing apparatus shield mud to injected hole；
After step S6 further include:
After the completion of S7, whole exchanging shield ventral brush, the hydraulic rigid top lift part in section of jurisdiction is removed, coagulation is poured in it
Soil；And it operates shield machine and fills shield tail grease.
Preferably, the sliding section of jurisdiction for being conveniently replaceable shield tail brush, in above-mentioned steps S1, after each segment assembly,
All the section of jurisdiction at section of jurisdiction and rear is connected, wherein the section of jurisdiction at above-mentioned rear, using the direction of advance of shield machine as standard.
Preferably, the described technique using sliding section of jurisdiction replacement shield tail brush, in above-mentioned steps S4, pushing tow is to be slid
Section of jurisdiction is slided along adjacent section of jurisdiction, specifically: by the hydraulic rigid top lift part in section of jurisdiction to be slid along stretching, until its
On fagging and the section of jurisdiction at rear offset, start the shield driving jack of corresponding position, pushing tow section of jurisdiction to be slid is along phase
Adjacent section of jurisdiction sliding.
Preferably, the technique using sliding section of jurisdiction replacement shield tail brush, when section of jurisdiction of the pushing tow wait sliding is slided, all
Connection between the section of jurisdiction and the section of jurisdiction at rear need to be released；
After splicing, it is connected by screw bolts between two neighboring section of jurisdiction.
The present invention is include at least the following beneficial effects: the configuration of the present invention is simple, practical；It is realized using sliding steel pipe sheet
Steel pipe sheet moves in shield tail, and then replaces shield tail brush, eliminates the complicated procedures of forming of disassembly section of jurisdiction, saves the time, effectively controls
Construction safety risk.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the schematic cross-section that section of jurisdiction is slid in embodiment 1；
Fig. 2 is the connection schematic diagram in Fig. 2 between two neighboring section of jurisdiction；
Fig. 3 is the structural schematic diagram of section of jurisdiction upper groove in embodiment 2；
Fig. 4 is the A-A diagrammatic cross-section of Fig. 3；
Fig. 5 is the structural schematic diagram of section of jurisdiction in embodiment 2.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
It should be noted that experimental method described in following embodiments is unless otherwise specified conventional method, institute
Reagent and material are stated, unless otherwise specified, is commercially obtained；In the description of the present invention, term " transverse direction ",
The instruction such as " longitudinal direction ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside"
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplify
Description is not that the device of indication or suggestion meaning or element must have a particular orientation, constructed and grasped with specific orientation
Make, therefore is not considered as limiting the invention.
As shown in Figs. 1-2, the present invention provides a kind of sliding section of jurisdiction for being conveniently replaceable shield tail brush, comprising:
Multiple sections of jurisdiction 1, arc-shaped are spliced to form a complete circle cyclic structure each other；
Section of jurisdiction 1 adjacent for any two of them, the two sides side wall being in contact are recessed inwardly along its depth direction respectively
It forms the groove 2 of a strip, outwardly protrude the protrusion 3 to form a strip, raised 3 cooperation blocks and in the groove 2
It is interior, so that two sections of jurisdiction 1 be connected.The multiple section of jurisdiction 1 specifically include the K block successively spliced each other, B block, C block, A1 block,
A2 block and A3 block.A hydraulic rigid top lift part 4 is placed in each section of jurisdiction 1, one end is fixed in the section of jurisdiction 1, another
End is equipped with fagging, and can be flexible along section of jurisdiction direction.Shown hydraulic rigid top lift part can be hydraulic jack herein.
S1, after shield machine releases the position of N-1 endless tube piece, first assembled wherein any one section of jurisdiction, it is then assembled and its
Another adjacent section of jurisdiction is matched using the groove and protrusion of the two, and protrusion is fastened in groove, thus by two sections of jurisdiction
It connects；In above-mentioned steps S1, after each segment assembly, all the section of jurisdiction at section of jurisdiction and rear is connected, wherein above-mentioned rear
Section of jurisdiction, using the direction of advance of shield machine as standard.
S2, circulation above-mentioned steps S1 form the complete section of jurisdiction of a ring until the splicing of all sections of jurisdiction is finished；
The position of S3, as needed replacement shield tail brush, calculates the position of corresponding section of jurisdiction to be slid out；
S4, using the protrusion and the cooperation of groove between two neighboring section of jurisdiction, realize pushing tow section of jurisdiction to be slid along phase
Adjacent section of jurisdiction sliding, until exposing shield tail brush to be replaced, i.e., replaceable shield tail brush；
S5, it is finished to exchanging shield ventral brush, by the hydraulic rigid top lift part in section of jurisdiction to be slid along stretching, until thereon
Fagging and the section of jurisdiction at rear offset, start the shield driving jack of corresponding position, pushing tow section of jurisdiction to be slid is along adjacent
Section of jurisdiction sliding.
S6, repeat the above steps S3-S5, until completing all exchanging shield ventral brush；
After the completion of S7, whole exchanging shield ventral brush, the hydraulic rigid top lift part in section of jurisdiction is removed, coagulation is poured in it
Soil；And it operates shield machine and fills shield tail grease.
Embodiment 2
A kind of sliding section of jurisdiction being conveniently replaceable shield tail brush, as shown in Figure 2, comprising:
Multiple sections of jurisdiction 1, arc-shaped are spliced to form a complete circle cyclic structure each other；
Section of jurisdiction 1 adjacent for any two of them, the two sides side wall being in contact are recessed inwardly along its depth direction respectively
It forms the groove 2 of a strip, outwardly protrude the protrusion 3 to form a strip, raised 3 cooperation blocks and in the groove 2
It is interior, so that two sections of jurisdiction 1 be connected.The multiple section of jurisdiction 1 specifically include the K block successively spliced each other, B block, C block, A1 block,
A2 block and A3 block.A hydraulic rigid top lift part 4 is placed in each section of jurisdiction 1, one end is fixed in the section of jurisdiction 1, another
End is equipped with fagging, and can be flexible along section of jurisdiction direction.
As shown in Figure 3-4, the sliding section of jurisdiction for being conveniently replaceable shield tail brush, the groove 2 of each section of jurisdiction 1 are square along its length
To one flexible sheets 5 of installation, the multiple springs 6 of right angle setting between the two, and the length of multiple springs 6 successively changes；The flexibility
5 one end of piece is fixed in the groove 2 of the section of jurisdiction 1, groove 2 of the other end far from the section of jurisdiction 1；The flexible sheets 5 with it is described
Inclined acute angle setting between the groove of section of jurisdiction 1.When the protrusion 3 of a section of jurisdiction 1 is moved along the groove 2 of another section of jurisdiction 1
When, multiple springs are squeezed and deformed, so that the flexible sheets 5 are extruded between two sections of jurisdiction, to greatly improve sealing effect
Fruit.
Wherein, it as shown in figure 5, the section of jurisdiction 1 includes: two outer layer sections of jurisdiction 110, is spaced each other, side seals are formed
One sealing is whole；Multiple internal layer sections of jurisdiction 120 are parallelly mounted between two outer layer sections of jurisdiction；Multiple stiffness springs 130, it is vertical
It is installed between two outer layer sections of jurisdiction 110, and passes through the internal layer section of jurisdiction 120；The stiffness spring 130 includes internally positioned
Columned inner spring 131 and the outer spring 132 that is sheathed on outside it, big at both ends and small in middle.In this way, can be very
The shock resistance of good this section of jurisdiction of raising, improves its service life.
Embodiment 3
As shown in Figs. 1-2, a kind of shield machine exchanging shield ventral brush sliding steel pipe sheet and replacing options, sliding steel pipe sheet by K block,
B block, C block, A1 block, A2 block, A3 block steel pipe sheet composition.
The setting of A2 block this ring of steel pipe sheet both ends end face is fluted, and built-in there are two built-in hydraulic rigid top lift part；A1,A3
Block this ring of steel pipe sheet both ends end face is provided with raised key, and built-in there are two built-in hydraulic rigid top lift parts；B block, C block steel pipe
This ring of piece and the setting of A1, A3 block steel pipe sheet joint face are fluted, and built-in there are two built-in hydraulic rigid top lift part.Every block of steel
Water-proof strip is posted on the outside of the end face of section of jurisdiction, every piece of steel pipe sheet is bolted.
K block, B block, C block, A1 block, A2 block, A3 block steel pipe sheet can stretch out support previous by built-in hydraulic rigid top lift part
On the section of jurisdiction that ring assembly is completed, sliding steel pipe sheet is realized and is slided in groove.
Correspondingly, in conjunction with above scheme, the present invention also provides a kind of shield machine shield ventral brush replacing options, including it is described above
Sliding steel pipe sheet, it is further comprising the steps of:
Step 1: N ring and N+1 endless tube piece infuse polyurethane after shield tail, and N+2 to-N+6 endless tube piece infuses dual slurry sealing, shield
Tail footpath infuses weighing apparatus shield mud to injected hole；
Step 2: after shield machine releases the position of domain section of jurisdiction, first assembly A2 block section of jurisdiction, then assembly A1, A3 block pipe
Piece, and the raised key of A1, A3 block section of jurisdiction is placed in the groove of A2 block section of jurisdiction, subsequent assembly B, C block section of jurisdiction, and by A1, A3
The raised key of block section of jurisdiction is placed in the groove of B, C block section of jurisdiction, last assembly K block section of jurisdiction, after being bolted, with below
Segment bolt connection；
Step 3: the position of replacement shield tail brush as needed calculates the position of sliding steel pipe sheet, i.e., by shield driving thousand
Jin pushing tow is into 1430mm, at this point, sliding steel pipe sheet is pushed into replacement twice shield tail brush position；
Step 4: removing the bolt of A2 block section of jurisdiction and N endless tube piece first, the built-in hydraulic rigid top of starting A2 block section of jurisdiction is lifted
Part is supported on N endless tube on piece, while shrinking the shield driving jack of corresponding position, by A2 block section of jurisdiction along groove to shield
After the direction sliding 744mm for promoting jack, twice shield tail brush backing ventral brush is leaked out, shrinks the built-in hydraulic rigid of A2 block section of jurisdiction
Property top lift part, then replaces the shield tail brush of the position；
Step 5: after the exchanging shield ventral brush of the position is completed to apply shield tail grease, with shield driving jack by A2 block section of jurisdiction
The position for restoring original is pushed away to the direction of N endless tube piece along groove, and A2 block section of jurisdiction and section of jurisdiction machine below are subjected to bolt company
It connects；
Step 6: according to the shield tail brush for replacing A1, A3 block position the step of S4~S5；
Step 7: removing the bolt of B, C, K block section of jurisdiction and N endless tube piece, the built-in hydraulic rigid top of starting B, C block section of jurisdiction is lifted
Part is supported on subsequent section of jurisdiction, while shrinking the shield driving jack of B, C block section of jurisdiction and K block section of jurisdiction corresponding position, by B,
C, after K block section of jurisdiction slides 744mm to the direction of shield driving jack along groove, shield tail brush is leaked out, shrinks B, C block section of jurisdiction
Built-in hydraulic rigid top lift part, then replace B, C, K block pipe shield tail brush；
Step 8: after the exchanging shield ventral brush of the position is completed to apply shield tail grease, with shield driving jack by B, C, K block
Section of jurisdiction pushes away the position for restoring original along groove to the direction of N endless tube piece, and B, C, K block section of jurisdiction and N endless tube piece are carried out bolt
Connection；
Step 9: after the completion of whole exchanging shield ventral brush, operation shield machine fills shield tail grease；
Step 10: removing the built-in hydraulic rigid top lift part of B block, C block, A1 block, A2 block, A3 block steel pipe sheet, pour
C50P12 concrete；
Step 11: shield restores driving.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easy
Other modification is realized on ground, therefore without departing from the general concept defined in the claims and the equivalent scope, and the present invention is not
It is limited to specific details and legend shown and described herein.
Claims (10)
1. a kind of sliding section of jurisdiction for being conveniently replaceable shield tail brush characterized by comprising
Multiple sections of jurisdiction, arc-shaped are spliced to form a complete circle cyclic structure each other；
Section of jurisdiction adjacent for any two of them, the two sides side wall being in contact are recessed inwardly to form one along its depth direction respectively
The groove of strip outwardly protrudes the protrusion to form a strip, the male cooperation card and in the groove, thus by two
A section of jurisdiction connection.
2. being conveniently replaceable the sliding section of jurisdiction of shield tail brush as described in claim 1, which is characterized in that specifically wrap the multiple section of jurisdiction
Include the K block successively spliced each other, B block, C block, A1 block, A2 block and A3 block.
3. being conveniently replaceable the sliding section of jurisdiction of shield tail brush as described in claim 1, which is characterized in that placed in each section of jurisdiction
One hydraulic rigid top lift part, one end are fixed in the section of jurisdiction, and the other end is equipped with fagging, and can be flexible along section of jurisdiction direction.
4. being conveniently replaceable the sliding section of jurisdiction of shield tail brush as described in claim 1, which is characterized in that the groove of each section of jurisdiction is along it
Length direction installs a flexible sheets, the multiple springs of right angle setting between the two, and the length of multiple springs successively changes；It is described soft
Property piece one end is fixed in the groove of the section of jurisdiction, groove of the other end far from the section of jurisdiction；The flexible sheets and the section of jurisdiction
Groove between the setting of inclined acute angle.
5. being conveniently replaceable the sliding section of jurisdiction of shield tail brush as described in claim 1, which is characterized in that the section of jurisdiction includes:
Two outer layer sections of jurisdiction, are spaced each other, and it is whole that side seals form a sealing；
Multiple internal layer sections of jurisdiction are parallelly mounted between two outer layer sections of jurisdiction；
Multiple stiffness springs are installed vertically between two outer layer sections of jurisdiction, and pass through the internal layer section of jurisdiction；The stiffness spring
Including internally positioned columned inner spring and the outer spring being sheathed on outside it, big at both ends and small in middle.
6. a kind of technique using sliding section of jurisdiction replacement shield tail brush a method according to any one of claims 1-3, which is characterized in that including
Following steps:
S1, after shield machine releases the position of N-1 endless tube piece, first assembled wherein any one section of jurisdiction is then assembled adjacent thereto
Another section of jurisdiction, matched using the groove and protrusion of the two, protrusion is fastened in groove, so that two sections of jurisdiction be connected
Come；
S2, circulation above-mentioned steps S1 form the complete section of jurisdiction of a ring until the splicing of all sections of jurisdiction is finished；
The position of S3, as needed replacement shield tail brush, calculates the position of corresponding section of jurisdiction to be slid out；
S4, using the protrusion and the cooperation of groove between two neighboring section of jurisdiction, realize pushing tow section of jurisdiction to be slid along adjacent tubes
Piece sliding, until exposing shield tail brush to be replaced, i.e., replaceable shield tail brush；
S5, it is finished to exchanging shield ventral brush, the section of jurisdiction pushing tow slid is restored to original position；
S6, repeat the above steps S3-S5, until completing all exchanging shield ventral brush.
7. the technique as claimed in claim 6 using sliding section of jurisdiction replacement shield tail brush, which is characterized in that before step S1,
Further include:
S0, polyurethane is infused in N ring and N+1 endless tube piece after shield tail, dual slurry sealing is infused in N+2 to N+6 endless tube piece, shield tail is radial
Injected hole note weighing apparatus shield mud；
After step S6 further include:
After the completion of S7, whole exchanging shield ventral brush, the hydraulic rigid top lift part in section of jurisdiction is removed, toward its interior casting concrete；And
Operation shield machine fills shield tail grease.
8. the technique as claimed in claim 6 using sliding section of jurisdiction replacement shield tail brush, which is characterized in that in above-mentioned steps S1,
After each segment assembly, all the section of jurisdiction at section of jurisdiction and rear is connected, wherein the section of jurisdiction at above-mentioned rear, with the advance side of shield machine
To for standard.
9. the technique as claimed in claim 6 using sliding section of jurisdiction replacement shield tail brush, which is characterized in that in above-mentioned steps S4,
Pushing tow section of jurisdiction to be slid is slided along adjacent section of jurisdiction, specifically: by the hydraulic rigid top lift part in section of jurisdiction to be slid along
It stretches out, until the section of jurisdiction of fagging and rear thereon offsets, starts the shield driving jack of corresponding position, pushing tow is to be slid
It is slided along adjacent section of jurisdiction section of jurisdiction.
10. the technique as claimed in claim 6 using sliding section of jurisdiction replacement shield tail brush, which is characterized in that pushing tow is to be slid
When section of jurisdiction is slided, all need to release the connection between the section of jurisdiction and the section of jurisdiction at rear；
After splicing, it is connected by screw bolts between two neighboring section of jurisdiction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810868690.0A CN109057809B (en) | 2018-08-02 | 2018-08-02 | Sliding duct piece convenient for replacing shield tail brush and process for replacing shield tail brush by utilizing sliding duct piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810868690.0A CN109057809B (en) | 2018-08-02 | 2018-08-02 | Sliding duct piece convenient for replacing shield tail brush and process for replacing shield tail brush by utilizing sliding duct piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109057809A true CN109057809A (en) | 2018-12-21 |
| CN109057809B CN109057809B (en) | 2024-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810868690.0A Active CN109057809B (en) | 2018-08-02 | 2018-08-02 | Sliding duct piece convenient for replacing shield tail brush and process for replacing shield tail brush by utilizing sliding duct piece |
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| CN (1) | CN109057809B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080798A (en) * | 2019-05-09 | 2019-08-02 | 黄河勘测规划设计研究院有限公司 | Sandwich-type steel compound tube piece making method suitable for shield formula TBM |
| CN110080797A (en) * | 2019-05-09 | 2019-08-02 | 黄河勘测规划设计研究院有限公司 | The board-like steel compound tube piece making method of full Baogang suitable for shield formula TBM |
| CN110080799A (en) * | 2019-05-09 | 2019-08-02 | 黄河勘测规划设计研究院有限公司 | The embedded steel compound tube piece making method of side steel suitable for shield formula TBM |
| CN111306361A (en) * | 2020-02-19 | 2020-06-19 | 尹威 | Assembly type rectangular jacking pipe and construction method thereof |
| CN111305853A (en) * | 2019-12-20 | 2020-06-19 | 中铁隧道股份有限公司 | Shield tail leakage stopping method in shield construction |
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|---|---|---|---|---|
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| CN110080798A (en) * | 2019-05-09 | 2019-08-02 | 黄河勘测规划设计研究院有限公司 | Sandwich-type steel compound tube piece making method suitable for shield formula TBM |
| CN110080797A (en) * | 2019-05-09 | 2019-08-02 | 黄河勘测规划设计研究院有限公司 | The board-like steel compound tube piece making method of full Baogang suitable for shield formula TBM |
| CN110080799A (en) * | 2019-05-09 | 2019-08-02 | 黄河勘测规划设计研究院有限公司 | The embedded steel compound tube piece making method of side steel suitable for shield formula TBM |
| CN111305853A (en) * | 2019-12-20 | 2020-06-19 | 中铁隧道股份有限公司 | Shield tail leakage stopping method in shield construction |
| CN111305853B (en) * | 2019-12-20 | 2021-04-13 | 中铁隧道股份有限公司 | Shield tail leakage stopping method in shield construction |
| CN111306361A (en) * | 2020-02-19 | 2020-06-19 | 尹威 | Assembly type rectangular jacking pipe and construction method thereof |
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