CN207892631U - A kind of metro shield driving freezes synchronization job belt stress stent system with service channel - Google Patents
A kind of metro shield driving freezes synchronization job belt stress stent system with service channel Download PDFInfo
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- CN207892631U CN207892631U CN201820319895.9U CN201820319895U CN207892631U CN 207892631 U CN207892631 U CN 207892631U CN 201820319895 U CN201820319895 U CN 201820319895U CN 207892631 U CN207892631 U CN 207892631U
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Abstract
A kind of metro shield driving freezes synchronization job belt stress stent system with service channel, is related to a kind of belt stress stent system.Purpose be solve the problem of circumference stress supporting structure it is heavy, it is complicated, horizontal transport circuit mating in cut-out shield after inconvenient and installing and dismounting difficulty is big and existing circumference stress holder installation is transported in work progress.Belt stress stent system is made of cyclic annular stress rack body, wedge-shaped steel plate and backing plate；Cyclic annular stress rack body is connected and composed by arc component and several jack；Installation method：Arc component and jack connect and compose cyclic annular stress rack body, the cyclic annular stress rack body of service channel both sides setting in the shield of left line and right line, and wedge-shaped steel plate and backing plate are filled in main body excircle and shield duct piece inner wall gap.The belt stress stent system stress is more reasonable, and headroom is big, can realize service channel freezing and section shield driving synchronization job.The utility model is suitable for constructing tunnel.
Description
Technical field
The utility model is related to a kind of belt stress stent systems.
Background technology
It is planning in design city subway tunnel, when tunnel has certain length, contact need to be set in the middle part of section
Channel, service channel are built jointly with the pump house that catchments, and are responsible for the works such as connection, fire prevention and the integrate draining between two tunnels jointly
With.In conventional construction scheme, section shield-tunneling construction is first carried out, service channel freezing is carried out again after Tunnel is logical, excavates and construct
Construction needs to carry out soil body freezing and excavation under the conditions of rich water Soft Clay, and soil body stress in freezing and digging process is released
Putting, which can cause to be molded shield duct piece in tunnel, occurs certain deformation, it is therefore desirable to the phase in Freezing Method for Cross-passage Construction coverage
It answers the concrete pipe sheet seam crossing of position that circumference stress holder is set, is drawn with resisting stress release in soil body freezing and digging process
The molding shield duct piece deformation risen.Fig. 1 be service channel installation position schematic diagram, 9 be left line shield, 10 be right line shield, 8
For the annular shield duct piece being arranged in the left line of shield and the right line of shield, annular shield duct piece is spliced by multiple arcs section of jurisdiction；
11 freeze region for the soil body during Freezing Method for Cross-passage Construction, and 12 freeze the installation position in the inline network channel in region for the soil body；
But there is transport inconvenience and installation in heavy, complicated, work progress in traditional circumference stress support element
Dismantle the big problem of difficulty；Meanwhile circumference stress holder is excessively high leads to shield horizontal transport access denial, circumference stress holder peace
The track circuit of horizontal transport in shield will be cut off after dress, and then causes again be got in touch with after the completion of the shield driving of section
Passage construction is affected to whole duration and successive projects.As it can be seen that proposition is a kind of to realize that metro shield driving and contact are logical
The stress holder of road freezing synchronization job is very necessary.
Utility model content
Existing circumference stress supporting structure is heavy, is transported not in complicated, work progress in order to solve for the utility model
Just horizontal transport line mating in shield is cut off after the problem big with installing and dismounting difficulty and the installation of existing circumference stress holder
The problem of road, proposes that a kind of metro shield driving freezes synchronization job belt stress stent system with service channel.
The utility model metro shield is tunneled freezes synchronization job with belt stress stent system by ring-type with service channel
Stress rack body, several wedge-shaped steel plates and several backing plates are constituted；
The ring-type stress rack body is made of several arc components and several jack；Jack is set to adjacent
Between arc component, the arc component end of the pedestal side of jack is connected with junction steel plate, affixed on the pedestal of jack
There is a junction steel plate, the affixed junction steel plate junction steel plate affixed with adjacent arc component end is flat on the pedestal of jack
Face paste is closed and is bolted；The arc component end of the top plate side of jack is connected with junction steel plate, the top of jack
It is connected with junction steel plate on disk, the affixed junction steel plate connection affixed with adjacent arc component end in the top plate of jack
The plane of steel plate is bonded and is bolted；
Between the pedestal of the jack and affixed junction steel plate, between the top plate of jack and affixed junction steel plate
It is provided with ribbed stiffener between arc component end and affixed junction steel plate；
It is evenly arranged with several wedge-shaped steel plates, two surfaces of wedge-shaped steel plate on the ring-type stress rack body excircle
On be provided with backing plate；
The backing plate is polyurethane backing plate；
The jack is screw jack；
The ring-type stress rack body is made of 3~5 arc components and 3~5 jack；
The arc component main body is 20B I-steel；
It is evenly arranged with 9~15 wedge-shaped steel plates on the ring-type stress rack body excircle；
The internal diameter of the ring-type stress rack body is 4950~5000mm, and outer diameter is 4990~5400mm；
The thickness of the junction steel plate is 20~30mm；8~12 φ 20mm bolts hole are provided on junction steel plate；
Above-mentioned metro shield driving is pressed with service channel freezing synchronization job with the installation method of belt stress stent system
Following steps carry out：
Arc component is connected with jack, the cyclic annular stress rack body of composition is bolted, it is inline in left line shield
The cyclic annular stress rack body of network channel both sides setting, the cyclic annular stress rack body of service channel both sides setting in right line shield,
The excircle of cyclic annular stress rack body covers adjacent annular shield duct piece, cyclic annular stress rack body excircle and annular shield
The gap of structure section of jurisdiction inner wall is 50mm, and wedge-shaped steel plate is filled in gap, fills in backing plate on two surfaces of wedge-shaped steel plate, then
All jack are unfolded simultaneously and apply thrust to cyclic annular stress rack body excircle, wedge-shaped steel plate and annular shield to arc component
Structure section of jurisdiction inner wall fits closely, that is, completes the installation of belt stress stent system；
9~15 wedge-shaped steel are filled in the ring-type stress rack body excircle and the gap of annular shield duct piece inner wall
Plate.
It to avoid to overlap at wedge-shaped steel plate and the transverse joint of arc section of jurisdiction when wherein filling in wedge-shaped steel plate in gap；
It the utility model principle and has the beneficial effect that：
1, the utility model is by the structure type of optimizing stress holder, by the jack of traditional stress holder by vertical
Arrangement be changed to it is circumferentially disposed, apply prestress after, holder generally axially loaded, I-steel itself, which can meet stress, to be wanted
It asks, complicated auxiliary part can be saved, make that structure is simpler, stress is more reasonable；Between stress holder and shield duct piece
Adding wedge-shaped steel plate replaces the jack that traditional stress holder is vertically arranged as force transferring structure, increases support stress point, makes
The structure stress of stress holder is more reasonable；Belt stress stent system structural elements size is small, is convenient for long-distance transportation in hole,
It mounts and dismounts simultaneously convenient, rapid；The jack of traditional stress holder is changed to circumferentially disposed rear annular by being vertically arranged
Headroom in stress holder becomes larger, and can meet the required space of transportation in assembled state after shield by raising track, disclosure satisfy that and cut
The larger-size battery locomotive in face passes through, and service channel can freeze in advance, realizes service channel freezing and section shield driving
Synchronization job, greatly accelerates shield section integral construction progress, and the quality time is won for subsequent construction；
2, in the utility model, arc component and jack constitute cyclic annular stress rack body, wedge-shaped steel plate conduct
Force transferring structure between annular shield duct piece and cyclic annular stress rack body can mitigate between adjacent shield duct piece due to soil
Body freezes the extruding force generated and misplaces；
3, in the utility model, the connection of arc component and jack by junction steel plate and is bolted, convenient for scene
Assembled and connection；Backing plate can make in the contact surface and wedge-shaped steel plate and annular shield duct piece of arc component and wedge-shaped steel plate
The contact of wall more closely, keeps wedge-shaped steel plate more secured；
4, the utility model metro shield driving is installed with service channel freezing synchronization job belt stress stent system
The transportation in assembled state route after track, installation sleeper and shield driving can be subsequently raised after the completion to restore.
Description of the drawings：
Fig. 1 is the installation position schematic diagram of existing service channel, and 9 be the left line of shield, and 10 be the right line of shield, and 8 is left for shield
The annular shield duct piece being arranged in line and the right line of shield, 11 freeze region for the soil body during Freezing Method for Cross-passage Construction, and 12 be the soil body
Freeze the installation position in the inline network channel in region；
Fig. 2 is the utility model belt stress stent system structural schematic diagram, wherein a is sleeper, and b is track, and c is electricity
Bottle locomotive, 8 be shield duct piece, and sleeper, track, battery locomotive and shield duct piece are existing structure；
Fig. 3 is enlarged drawing at wedge-shaped steel plate 4 in belt stress stent system and backing plate 5；
Fig. 4 is arc component 1 and 2 junction schematic diagram of jack in belt stress stent system；
Fig. 5 is left view at the A-A of Fig. 3；
Fig. 6 is belt stress stent system schematic view of the mounting position, and e is cyclic annular stress rack body.
Technical solutions of the utility model are not limited to act specific implementation mode set forth below, further include each specific implementation mode
Between arbitrary reasonable combination.
Specific implementation mode
Specific implementation mode one：Illustrate present embodiment, present embodiment metro shield driving and contact in conjunction with Fig. 1~6
Channel freezes synchronization job with belt stress stent system by cyclic annular stress rack body, several wedge-shaped steel plates 4 and several backing plates 5
It constitutes；
The ring-type stress rack body is made of several arc components 1 and several jack 2；Jack 2 is set to phase
Between adjacent arc component 1,1 end of arc component of the pedestal side of jack 2 is connected with junction steel plate 3, jack 2
It is connected with junction steel plate 3 on pedestal, affixed junction steel plate 3 and adjacent 1 end of arc component are affixed on the pedestal of jack 2
Junction steel plate 3 plane fitting and connected by bolt 7；1 end of arc component of the top plate side of jack 2 is connected with
Junction steel plate 3, is connected with junction steel plate 3 in the top plate of jack 2, in the top plate of jack 2 affixed junction steel plate 3 with it is adjacent
The affixed junction steel plate 3 in 1 end of arc component plane fitting and connected by bolt 7；
Between the pedestal of the jack 2 and affixed junction steel plate 3, the top plate of jack 2 and affixed junction steel plate 3
Between be provided with ribbed stiffener 6 between 1 end of arc component and affixed junction steel plate 3；
It is evenly arranged with several wedge-shaped steel plates 4, two tables of wedge-shaped steel plate 4 on the ring-type stress rack body excircle
Backing plate 5 is provided on face.
It present embodiment principle and has the beneficial effect that：
1, present embodiment is by the structure type of optimizing stress holder, by the jack of traditional stress holder by vertical
Arrangement be changed to it is circumferentially disposed, apply prestress after, holder generally axially loaded, I-steel itself, which can meet stress, to be wanted
It asks, complicated auxiliary part can be saved, make that structure is simpler, stress is more reasonable；Between stress holder and shield duct piece
Adding wedge-shaped steel plate 3 replaces the jack that traditional stress holder is vertically arranged as force transferring structure, increases support stress point, makes
The structure stress of stress holder is more reasonable；Belt stress stent system structural elements size is small, is convenient for long-distance transportation in hole,
It mounts and dismounts simultaneously convenient, rapid；The jack of traditional stress holder is changed to circumferentially disposed rear annular by being vertically arranged
Headroom in stress holder becomes larger, and can meet the required space of transportation in assembled state after shield by raising track, disclosure satisfy that and cut
The larger-size battery locomotive in face passes through, and service channel can freeze in advance, realizes service channel freezing and section shield driving
Synchronization job, greatly accelerates shield section integral construction progress, and the quality time is won for subsequent construction；
2, in present embodiment, arc component 1 and jack 2 constitute cyclic annular stress rack body, wedge-shaped steel plate 4
As the force transferring structure between annular shield duct piece 8 and cyclic annular stress rack body, can mitigate between adjacent shield duct piece
It is misplaced due to the extruding force that soil body freezing generates；
3, in present embodiment, the connection of arc component 1 and jack 2 is connected by junction steel plate 3 and bolt 7, is convenient for
On-site consolidation and connection；Backing plate 5 can make the contact surface and wedge-shaped steel plate 4 and annular shield of arc component 1 and wedge-shaped steel plate 4
The contact of 8 inner wall of structure section of jurisdiction more closely, makes wedge-shaped steel plate 4 more securely；
4, present embodiment metro shield driving is installed with service channel freezing synchronization job belt stress stent system
The transportation in assembled state route after track, installation sleeper and shield driving can be subsequently raised after the completion to restore.
Specific implementation mode two：The present embodiment is different from the first embodiment in that：The backing plate 5 is urethane pad
Plate.Other steps and parameter are same as the specific embodiment one.
Specific implementation mode three：The present embodiment is different from the first and the second embodiment in that：The jack 2 is spiral shell
Rotating jack.Other steps and parameter are the same as one or two specific embodiments.
Specific implementation mode four：Unlike one of present embodiment and specific implementation mode one to three：The ring-type is answered
Power rack body is made of 3~5 arc components 1 and 3~5 jack 2.Other steps and parameter and specific implementation mode one
It is identical to one of three.
Specific implementation mode five：Unlike one of present embodiment and specific implementation mode one to four：The arc structure
1 main body of part is 20B I-steel.Other steps and parameter are identical as one of specific implementation mode one to four.
Specific implementation mode six：Unlike one of present embodiment and specific implementation mode one to five：The ring-type is answered
9~15 wedge-shaped steel plates 4 are evenly arranged on power rack body excircle.Other steps and parameter and specific implementation mode one to
One of five is identical.
Specific implementation mode seven：Unlike one of present embodiment and specific implementation mode one to six：The ring-type is answered
The internal diameter of power rack body is 4950~5000mm, and outer diameter is 4990~5400mm.Other steps and parameter and specific embodiment party
One of formula one to six is identical.
Specific implementation mode eight：Unlike one of present embodiment and specific implementation mode one to seven：The connection steel
The thickness of plate 3 is 20~30mm；8~12 are provided on junction steel plate 3Bolt hole.Other steps and parameter and tool
One of body embodiment one to seven is identical.
Embodiment 1：
The present embodiment metro shield is tunneled is answered with belt stress stent system by ring-type with service channel freezing synchronization job
Power rack body, several wedge-shaped steel plates 4 and several backing plates 5 are constituted；
The ring-type stress rack body is made of several arc components 1 and several jack 2；Jack 2 is set to phase
Between adjacent arc component 1,1 end of arc component of the pedestal side of jack 2 is connected with junction steel plate 3, jack 2
It is connected with junction steel plate 3 on pedestal, affixed junction steel plate 3 and adjacent 1 end of arc component are affixed on the pedestal of jack 2
Junction steel plate 3 plane fitting and connected by bolt 7；1 end of arc component of the top plate side of jack 2 is connected with
Junction steel plate 3, is connected with junction steel plate 3 in the top plate of jack 2, in the top plate of jack 2 affixed junction steel plate 3 with it is adjacent
The affixed junction steel plate 3 in 1 end of arc component plane fitting and connected by bolt 7；
Between the pedestal of the jack 2 and affixed junction steel plate 3, the top plate of jack 2 and affixed junction steel plate 3
Between be provided with ribbed stiffener 6 between 1 end of arc component and affixed junction steel plate 3；
It is evenly arranged with several wedge-shaped steel plates 4, two tables of wedge-shaped steel plate 4 on the ring-type stress rack body excircle
Backing plate 5 is provided on face；
The backing plate 5 is polyurethane backing plate；The jack 2 is screw jack；
The ring-type stress rack body is made of 4 arc components 1 and 4 jack 2；
1 main body of the arc component is 20B I-steel；
It is evenly arranged with 12 wedge-shaped steel plates 4 on the ring-type stress rack body excircle；
The internal diameter of the ring-type stress rack body is 5000mm, outer diameter 5400mm；
The thickness of the junction steel plate 3 is 20mm；8 φ 20mm bolts hole are provided on junction steel plate 3；
Above-mentioned metro shield driving is pressed with service channel freezing synchronization job with the installation method of belt stress stent system
Following steps carry out：Arc component 1 and the connection of jack 2 are connected and composed into cyclic annular stress rack body by bolt 7, in left line
Setting cyclic annular stress rack body in 12 both sides of service channel in shield 9, ring is arranged in 12 both sides of service channel in right line shield 10
The excircle of shape stress rack body, cyclic annular stress rack body covers adjacent annular shield duct piece 8, cyclic annular stress holder master
The gap of external circumference and 8 inner wall of annular shield duct piece is 50mm, wedge-shaped steel plate 4 is filled in gap, the two of wedge-shaped steel plate 4
Backing plate 5 is filled on a surface, and all jack 2 are then unfolded simultaneously and apply thrust to cyclic annular stress rack body to arc component 1
Excircle, wedge-shaped steel plate 4 and annular 8 inner wall of shield duct piece fit closely, that is, complete the installation of belt stress stent system.
The present embodiment belt stress stent system allow after installation is complete by railcar largest cross-sectional sized width be
1500mm, a height of 3100mm meet the demand of service channel freezing and section shield driving synchronization job, greatly accelerate shield
Structure section integral construction progress wins the quality time for subsequent construction.
Claims (8)
1. a kind of metro shield driving freezes synchronization job belt stress stent system with service channel, it is characterised in that：It should
Belt stress stent system is made of cyclic annular stress rack body, several wedge-shaped steel plates (4) and several backing plates (5)；
The ring-type stress rack body is made of several arc components (1) and several jack (2)；Jack (2) is set to
Between adjacent arc component (1), arc component (1) end of the pedestal side of jack (2) is connected with junction steel plate (3),
Be connected with junction steel plate (3) on the pedestal of jack (2), on the pedestal of jack (2) affixed junction steel plate (3) with it is adjacent
The plane of the affixed junction steel plate (3) in arc component (1) end is bonded and is connected by bolt (7)；The top plate one of jack (2)
Arc component (1) end of side is connected with junction steel plate (3), and junction steel plate (3) is connected in the top plate of jack (2), very heavy
Push up the plane of junction steel plate (3) affixed in the top plate of (2) junction steel plate (3) affixed with adjacent arc component (1) end
It is bonded and passes through bolt (7) and connect；
Between the pedestal and affixed junction steel plate (3) of the jack (2), the top plate of jack (2) and affixed connection steel
Ribbed stiffener (6) is provided between plate (3) between arc component (1) end and affixed junction steel plate (3)；
It is evenly arranged with several wedge-shaped steel plates (4), two tables of wedge-shaped steel plate (4) on the ring-type stress rack body excircle
Backing plate (5) is provided on face.
2. metro shield driving according to claim 1 freezes synchronization job belt stress carriage support with service channel
System, it is characterised in that：The backing plate (5) is polyurethane backing plate.
3. metro shield driving according to claim 1 freezes synchronization job belt stress carriage support with service channel
System, it is characterised in that：The jack (2) is screw jack.
4. metro shield driving according to claim 1 freezes synchronization job belt stress carriage support with service channel
System, it is characterised in that：The ring-type stress rack body is made of 3~5 arc components (1) and 3~5 jack (2).
5. metro shield driving according to claim 1 freezes synchronization job belt stress carriage support with service channel
System, it is characterised in that：Arc component (1) main body is 20B I-steel.
6. metro shield driving according to claim 1 freezes synchronization job belt stress carriage support with service channel
System, it is characterised in that：It is evenly arranged with 9~15 wedge-shaped steel plates (4) on the ring-type stress rack body excircle.
7. metro shield driving according to claim 1 freezes synchronization job belt stress carriage support with service channel
System, it is characterised in that：The internal diameter of the ring-type stress rack body is 4950~5000mm, and outer diameter is 4990~5400mm.
8. metro shield driving according to claim 1 freezes synchronization job belt stress carriage support with service channel
System, it is characterised in that：The thickness of the junction steel plate (3) is 20~30mm；Junction steel plate is provided with 8~12 on (3)Bolt hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820319895.9U CN207892631U (en) | 2018-03-08 | 2018-03-08 | A kind of metro shield driving freezes synchronization job belt stress stent system with service channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820319895.9U CN207892631U (en) | 2018-03-08 | 2018-03-08 | A kind of metro shield driving freezes synchronization job belt stress stent system with service channel |
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| CN207892631U true CN207892631U (en) | 2018-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820319895.9U Active CN207892631U (en) | 2018-03-08 | 2018-03-08 | A kind of metro shield driving freezes synchronization job belt stress stent system with service channel |
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| CN (1) | CN207892631U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222978A (en) * | 2018-03-08 | 2018-06-29 | 中铁建大桥工程局集团第四工程有限公司 | A kind of metro shield driving freezes synchronization job belt stress stent system and installation method with service channel |
| CN110952987A (en) * | 2019-12-03 | 2020-04-03 | 济南轨道交通集团有限公司 | Construction method for side-through bridge pile of stacked porous subway tunnel |
-
2018
- 2018-03-08 CN CN201820319895.9U patent/CN207892631U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222978A (en) * | 2018-03-08 | 2018-06-29 | 中铁建大桥工程局集团第四工程有限公司 | A kind of metro shield driving freezes synchronization job belt stress stent system and installation method with service channel |
| CN110952987A (en) * | 2019-12-03 | 2020-04-03 | 济南轨道交通集团有限公司 | Construction method for side-through bridge pile of stacked porous subway tunnel |
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