CN206581941U - A kind of slurry shield seals steel bushing initiator device - Google Patents
A kind of slurry shield seals steel bushing initiator device Download PDFInfo
- Publication number
- CN206581941U CN206581941U CN201720271226.4U CN201720271226U CN206581941U CN 206581941 U CN206581941 U CN 206581941U CN 201720271226 U CN201720271226 U CN 201720271226U CN 206581941 U CN206581941 U CN 206581941U
- Authority
- CN
- China
- Prior art keywords
- shrouding
- axial
- plate
- circular plate
- radial direction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model provides a kind of slurry shield and seals steel bushing initiator device, including active well inwall, pre-buried steel loop, shrouding, seal member, wherein, pre-buried steel loop includes axial steel loop and radial direction steel loop, shrouding includes axial shrouding and radial direction shrouding, and axial shrouding is connected with radial direction steel ring welding.Seal member includes cord rubber slab, Circular Plate I, Circular Plate II and turnover panel, and Circular Plate II is hinged by bearing pin with turnover panel, and seal member is provided with two, and the axially spaced-apart of shrouding is set vertically.Sealing agent filler port is provided with axial shrouding between adjacent seals part, after shield machine is by shrouding radial section location, by radial direction shrouding with axial seal plate welding together with.The utility model ensure that sealing property during shield launching, and can be when shield machine shield tail deviates from cord rubber slab, it is to avoid leak spillage is leaked out on the outside of section of jurisdiction, build-up of pressure failure.In addition, waterproof material in emergency circumstances, which can be injected, by built-in slip casting pipe carries out portal sealing.
Description
Technical field
The utility model is related to tunneling shield construction field, specifically a kind of slurry shield sealing steel bushing initiator device.
Background technology
In recent years, in urban subway tunnel construction process, shield method is because of its " efficiency of construction is high, disturbance is small, safe "
Feature and be able to extensive use.Sealing problem during shield launching needed when being shield-tunneling construction the security implication of priority control because
Element, is also one of difficult point of shield-tunneling construction.Particularly when shield-tunneling construction is in geological structure complexity and contains the ground of abundant underground water
When being carried out in layer, because sealing problem causes the security incident of leak, sand leakage, spillage to happen occasionally, in some instances it may even be possible to cause hole attached
The nearly soil body is largely lost in, and causes engineering to cave in, is that constructing tunnel brings great potential safety hazard.
Application No. 201410467447.X Chinese patent discloses a kind of water-rich sand layer slurry shield and originates sealing dress
Sealing control method is put and originates, sealing device is by grease distributing valve, portal steel loop, external steel loop, wire brush, greasing hole, note
Fat pipe and grease gate valve composition, sealing effectiveness is played by the wire brush formation sealing ring for having filled seal grease.This method is only
With filled the wire brush of seal grease as sealing ring, wire brush probably due to huge Water And Earth Pressures and occur reflexed, make
Into leak, spillage and cause pressure failure.
The Chinese patent of Application No. 201520448829.8 discloses a kind of shield launching hole sealing device, the device
Including pre-buried steel loop extension steel loop, sealed rubber plate, fixed ring flat-plate, the fan-shaped pressing plate of folding paper, pass through sealed rubber plate and folding
Formula sector pressing plate formation sealing ring plays sealing effectiveness.But the device only has one layer of sealing ring, sealing effectiveness is poor；Seal rubber
Offset plate and the fan-shaped pressing plate of folding paper are distant between the two, fit not close, the situation that pressure is concentrated easily are produced, in water and soil
The larger location of pressure may fracture pressing plate, not reserve injected hole, it is impossible to carry out grouting operation during shield driving again.
Utility model content
The purpose of this utility model, exactly to solve the problem of prior art is present, and it is close to devise a kind of slurry shield
Steel bushing initiator device is sealed, effective sealing effectiveness can be provided for shield launching, and cord rubber can be deviate from shield machine shield tail
During plate, it is to avoid leak spillage is leaked out on the outside of section of jurisdiction, build-up of pressure failure, it is ensured that the safety of shield launching.
The technical solution of the utility model is：The utility model provides a kind of slurry shield and seals steel bushing initiator device,
Including active well inwall and the pre-buried steel loop being arranged in the active well inwall, in addition to shrouding, seal member, institute
The axial section for stating pre-buried steel loop is set to double L-shaped, including axial steel loop and radial direction steel loop, the shrouding include axial shrouding and
Radial direction shrouding, the axial shrouding is connected with radial direction steel ring welding, and the upper end of the seal member is fixed with the axial shrouding
Connection, the seal member includes cord rubber slab, Circular Plate I, Circular Plate II and turnover panel, the Circular Plate I and Circular Plate II
The front and rear sides of the cord rubber slab are separately positioned on, the Circular Plate II is hinged by bearing pin with turnover panel, the sealing
Part is provided with two, and the axially spaced-apart of shrouding is set vertically, is provided with the axial shrouding between adjacent seals part
Built-in slip casting pipe is provided with sealing agent filler port, the active well inwall, the discharge end of the built-in slip casting pipe stretches into axle
To the inner side of steel loop, after shield machine is by shrouding radial section location, by radial direction shrouding with axial seal plate welding together with.
Above-mentioned turnover panel includes multiple turnover panel plates, and the circumferential direction of turnover panel plate shrouding vertically is uniformly arranged, institute
Turnover panel plate is stated including panel body and the linkage section I of panel body upper end, linkage section II, the He of linkage section I is arranged on
Hinge hole I is respectively arranged with linkage section II；The Circular Plate II includes multiple annulus plates II, and the annulus plate II is along axle
It is uniformly arranged to the circumferential direction of shrouding, the lower end of the annulus plate II, which is provided with linkage section III, the linkage section III, to be set
Hinge hole II is equipped with, the bearing pin sequentially passes through hinge hole I and hinge hole II and then is connected turnover panel plate with annulus plate II
Together, and easy to process, convenient disassembly, it is easy to safeguard.
Above-mentioned Circular Plate I includes multiple annulus plates I, and the circumferential direction of the annulus plate I shrouding vertically is uniformly set
Put.
It is provided between above-mentioned radial direction steel loop and axial shrouding between stiffener I, adjacent seal member and is provided with stiffener II,
Stiffener III is provided between the radial direction steel loop and seal member, the axial direction of the stiffener I, stiffener II and stiffener III is broken
Face is disposed as rectangle.By stiffener I, fastening is obtained between radial direction steel loop and axial shrouding with strengthening, by stiffener II,
Fastening is obtained between axial shrouding and two seal members with strengthening, passes through stiffener III, radial direction steel loop, axial shrouding and annulus
Fastening is obtained between plate I with strengthening, it is to avoid the deformation that the pressure of loss circulation material injection and front mud is caused, and then strengthened whole
It is individual sealing steel bushing initiator device stability and use reliability.
Above-mentioned loss circulation material filler port vertically shrouding circumferential direction be arranged at intervals.Pass through loss circulation material filler port, energy
Carry out filling up closure, and then one confined space of formation between enough twice rubber curtain fabric swatch in sealing steel bushing initiator device,
Avoid front mud rearward seepage, it is ensured that the safety progress of shield launching.
The circumferential direction of above-mentioned built-in slip casting pipe radially steel loop is evenly arranged, the central angle between adjacent built-in slip casting pipe
It is set to 10 ° ~ 15 °.In emergency circumstances the waterproof materials such as polyurethane can be injected by built-in slip casting pipe and carry out portal sealing.
Above-mentioned Circular Plate I, cord rubber slab, Circular Plate II are detachably connected by bolt, the Circular Plate II and axial direction
Seal plate welding is connected.
The beneficial effects of the utility model can be drawn by such scheme：1st, by setting axial shrouding, and seal vertically
The axial direction of plate is arranged at intervals two seal members, when shield launching spells section of jurisdiction by twice cord rubber slab, meeting
By twice cord rubber slab together with turnover panel jack-up, it is set to be close to towards tunneling direction is at an angle on the outer surface of section of jurisdiction,
Due to the presence of turnover panel enable inclined twice cord rubber slab resist the later stage presence Water And Earth Pressures without
Turnover, does not result in twice cord rubber slab yet and turns up and damage, so that it is close to form twice even with the underground water of pressure-bearing property
Seal barrier, strong sealing property when ensure that shield launching has ensured the safety of shield launching；2nd, by setting radially
Shrouding, can be when shield machine shield tail deviates from rubber curtain fabric swatch, it is to avoid the leak spillage of appearance is leaked out on the outside of section of jurisdiction, causes pressure
Power fails, and causes engineering to cave in when serious；3rd, in emergency circumstances the waterproof materials such as polyurethane can be injected by built-in slip casting pipe to enter
Row portal is sealed.
As can be seen here, the utility model has substantive distinguishing features and progress compared with prior art, its beneficial effect implemented
Fruit is also obvious.
Brief description of the drawings：
Fig. 1 is axial section structure schematic diagram of the present utility model；
Fig. 2 is horizontal section structure schematic diagram of the present utility model；
Fig. 3 is the schematic front view of turnover panel plate in the utility model；
Fig. 4 is the schematic cross-sectional view of turnover panel plate in the utility model；
Wherein, 1 is active well inwall, and 2 be pre-buried steel loop, and 2-1 is radial direction steel loop, and 2-2 is axial steel loop, and 3 be to put more energy into
Plate I, 4 be stiffener II, and 5 be stiffener III, and 6 be Circular Plate I, and 7 be Circular Plate II, and 8 be axial shrouding, and 9 be radial direction shrouding, 10
It is bearing pin for bolt, 11,12 be cord rubber slab, and 13 be turnover panel, and 13-1 is linkage section I, and 13-2 is linkage section II, and 13-2 is plate
Block main body, 14 be shield outer radius, and 15 be section of jurisdiction outer radius, and 16 be loss circulation material filler port, and 17 be built-in slip casting pipe.
Embodiment：
In order to more fully understand the utility model, embodiment of the present utility model is explained in detail below in conjunction with the accompanying drawings.
Embodiment：The utility model provides a kind of slurry shield and seals steel bushing initiator device, including active well
Inwall 1,1 pre-buried steel loop 2, shrouding, seal member in the active well inwall are arranged on, wherein, the axle of pre-buried steel loop 2
Double L-shaped, including axial steel loop 2-2 and radial direction steel loop 2-1 are set to section, shrouding includes axial shrouding 8 and radial direction shrouding 9,
Axial shrouding 8 is welded to connect with radial direction steel loop 2-1, and the upper end of seal member is fixedly connected with axial shrouding 8.Seal member includes
Cord rubber slab 12, Circular Plate I 6, Circular Plate II 7 and turnover panel 13, the Circular Plate I 6 and Circular Plate II 7 are separately positioned on described
The front and rear sides of cord rubber slab 12, the Circular Plate II 7 is hinged by bearing pin 11 with turnover panel 13.Wherein, Circular Plate I 6, cord
Rubber slab 12, Circular Plate II 7 are detachably connected by bolt 10, and the upper end of Circular Plate II 7 is welded to connect with axial shrouding 8.
In the present embodiment, seal member is provided with two, and the axially spaced-apart of shrouding 8 is set vertically, adjacent on the axial shrouding 8
Sealing agent filler port 16 is provided between seal member.
1 is provided with built-in slip casting pipe 17 in active well inwall, and the discharge end of the built-in slip casting pipe 17 stretches into axial steel
Ring 2-2 inner side.In the present embodiment, the radially steel loop 2-1 of built-in slip casting pipe 17 circumferential direction is evenly arranged, adjacent pre-buried
Central angle between Grouting Pipe 17 is set to 10 ° ~ 15 °.After shield machine is by the portion of radial direction shrouding 9, by radial direction shrouding 9
With axially 8 plate welds of envelope together with.
Turnover panel 13 includes multiple turnover panel plates, and the circumferential direction of turnover panel plate shrouding 8 vertically is uniformly arranged, such as Fig. 2 institutes
Show, turnover panel plate includes panel body 13-2 and is arranged on the 13-1 of linkage section I, the linkage section II of panel body 13-2 upper ends
Hinge hole I is respectively arranged with 13-3, the 13-1 of linkage section I and the 13-3 of linkage section II；Circular Plate I 6 includes multiple annulus plates I,
The circumferential direction of the shrouding vertically of annulus plate I is uniformly arranged；Circular Plate II 7 includes multiple annulus plates II, annulus plate II
The circumferential direction of shrouding is uniformly arranged vertically, and the lower end of annulus plate II 7, which is provided with linkage section III, linkage section III, to be provided with
Hinge hole II, bearing pin sequentially passes through hinge hole I and hinge hole II and then turnover panel plate links together with annulus plate II, and
And easy to process, convenient disassembly, it is easy to safeguard.
It is provided between radial direction steel loop 2-1 and axial shrouding 8 between stiffener I 3, adjacent seal member and is provided with stiffener II
4, stiffener III 5, the axial direction of stiffener I 3, stiffener II 4 and stiffener III 5 are provided between radial direction steel loop 2-1 and seal member
Section is disposed as rectangle.By stiffener I 3, fastening is obtained between radial direction steel loop 2-1 and axial shrouding 8 with strengthening, by adding
Strength plate II 4, obtains fastening with strengthening between axial shrouding 8 and two seal members, by stiffener III 5, radial direction steel loop 2-1,
Fastening is obtained between Circular Plate I 6 in the seal member of axial shrouding and close pre-buried steel loop 2 with strengthening, it is to avoid loss circulation material
Injection and the deformation that causes of pressure of front mud, and then strengthen the stability of whole sealing steel bushing initiator device and using can
By property.
Above-mentioned loss circulation material filler port 16 vertically shrouding 8 circumferential direction be arranged at intervals.Pass through loss circulation material filler port
16, the space between the twice rubber curtain fabric swatch 12 in sealing steel bushing initiator device can be carried out filling up closure, and then formed
One confined space, it is to avoid front mud rearward seepage, it is ensured that the safety progress of shield launching.
Operation principle of the present utility model is as follows：When shield launching, due to twice cord rubber slab 12 and turnover panel 13
Inward flange exceedes shield machine external diameter 14, section of jurisdiction external diameter 15, when shield machine spells section of jurisdiction by twice cord rubber slab 12, can be by
Twice cord rubber slab makes it be close to towards tunneling direction is at an angle on the outer surface of section of jurisdiction together with turnover panel jack-up, by
In the presence of turnover panel 13 enable inclined twice cord rubber slab 12 resist the later stage presence Water And Earth Pressures without
It can turn down, also not result in twice cord rubber slab 12 even with the underground water of pressure-bearing property and turn up and damage, so as to form two
Road sealing barrier, strong sealing property when ensure that shield launching has ensured the safety of shield launching.Shield machine shield tail
After temporary sealing steel bushing, radial direction shrouding 9 is welded together with axial shrouding 8, is unlikely to cause leak, spillage to cause
Pressure failure, occurrence risk.The waterproof materials such as polyurethane progress portal can be in emergency circumstances injected by built-in slip casting pipe 17 close
Envelope.
Described above is not that, to limitation of the present utility model, the utility model is also not limited to the example above, this skill
The variations, modifications, additions or substitutions that the those of ordinary skill in art field is made in essential scope of the present utility model, also should
Belong to protection domain of the present utility model.
Claims (7)
1. a kind of slurry shield seals steel bushing initiator device, including active well inwall and it is arranged on the active well inwall
Interior pre-buried steel loop, it is characterised in that：Also include shrouding, seal member, the axial section of the pre-buried steel loop is set to double L
Shape, including axial steel loop and radial direction steel loop, the shrouding include axial shrouding and radial direction shrouding, the axial shrouding and radial direction steel
Ring is welded to connect, and the upper end of the seal member is fixedly connected with the axial shrouding, and the seal member includes cord rubber
Plate, Circular Plate I, Circular Plate II and turnover panel, the Circular Plate I and Circular Plate II are separately positioned on the front and rear of the cord rubber slab
Both sides, the Circular Plate II is hinged by bearing pin with turnover panel, and the seal member is provided with two, and the axial direction of shrouding vertically
It is arranged at intervals, is provided with the axial shrouding between adjacent seals part in sealing agent filler port, the active well inwall
Built-in slip casting pipe is provided with, the discharge end of the built-in slip casting pipe stretches into the inner side of axial steel loop, treats that shield machine passes through shrouding footpath
To after portion, by radial direction shrouding with axial seal plate welding together with.
2. slurry shield as claimed in claim 1 seals steel bushing initiator device, it is characterised in that：The turnover panel includes multiple turn over
Plate plate, the circumferential direction of turnover panel plate shrouding vertically is uniformly arranged, the turnover panel plate include panel body and
It is arranged on linkage section I, the linkage section II of panel body upper end, the linkage section I and linkage section II and is respectively arranged with hinge hole
Ⅰ；The Circular Plate II includes multiple annulus plates II, and the circumferential direction of the annulus plate II shrouding vertically is uniformly arranged,
The lower end of the annulus plate II is provided with linkage section III, the linkage section III and is provided with hinge hole II, and the bearing pin is successively
Through hinge hole I and hinge hole II and then turnover panel plate is linked together with annulus plate II.
3. slurry shield as claimed in claim 2 seals steel bushing initiator device, it is characterised in that：The Circular Plate I includes many
Individual annulus plate I, the circumferential direction of the annulus plate I shrouding vertically is uniformly arranged.
4. the slurry shield sealing steel bushing initiator device as described in claim 1 or 2 or 3, it is characterised in that：The radial direction steel loop
It is provided between axial shrouding between stiffener I, adjacent seal member and is provided with stiffener II, the radial direction steel loop and sealing
Stiffener III is provided between part, the axial section of the stiffener I, stiffener II and stiffener III is disposed as rectangle.
5. the slurry shield sealing steel bushing initiator device as described in claim 1 or 2 or 3, it is characterised in that：The loss circulation material
Filler port vertically shrouding circumferential direction be arranged at intervals.
6. the slurry shield sealing steel bushing initiator device as described in claim 1 or 2 or 3, it is characterised in that：The pre-buried slip casting
The circumferential direction for managing radially steel loop is evenly arranged, and the central angle between adjacent built-in slip casting pipe is set to 10 ° ~ 15 °.
7. the slurry shield sealing steel bushing initiator device as described in claim 1 or 2 or 3, it is characterised in that：The Circular Plate I,
Cord rubber slab, Circular Plate II are detachably connected by bolt, and the Circular Plate II is connected with axial seal plate welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720271226.4U CN206581941U (en) | 2017-03-20 | 2017-03-20 | A kind of slurry shield seals steel bushing initiator device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720271226.4U CN206581941U (en) | 2017-03-20 | 2017-03-20 | A kind of slurry shield seals steel bushing initiator device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206581941U true CN206581941U (en) | 2017-10-24 |
Family
ID=60113772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720271226.4U Active CN206581941U (en) | 2017-03-20 | 2017-03-20 | A kind of slurry shield seals steel bushing initiator device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206581941U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150201A (en) * | 2017-12-29 | 2018-06-12 | 上海市机械施工集团有限公司 | Tunnel antipriming and construction method |
| CN112081595A (en) * | 2019-06-14 | 2020-12-15 | 宏润建设集团股份有限公司 | Shield construction method, and waterproof and monitoring method for shield construction |
| CN113803078A (en) * | 2021-09-18 | 2021-12-17 | 中铁十四局集团大盾构工程有限公司 | Shield receiving external tunnel portal device and shield receiving process |
-
2017
- 2017-03-20 CN CN201720271226.4U patent/CN206581941U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150201A (en) * | 2017-12-29 | 2018-06-12 | 上海市机械施工集团有限公司 | Tunnel antipriming and construction method |
| CN112081595A (en) * | 2019-06-14 | 2020-12-15 | 宏润建设集团股份有限公司 | Shield construction method, and waterproof and monitoring method for shield construction |
| CN112081595B (en) * | 2019-06-14 | 2022-09-23 | 宏润建设集团股份有限公司 | Shield construction method, and waterproof and monitoring method for shield construction |
| CN113803078A (en) * | 2021-09-18 | 2021-12-17 | 中铁十四局集团大盾构工程有限公司 | Shield receiving external tunnel portal device and shield receiving process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104358575B (en) | A kind of water-rich sand layer slurry shield originates sealing device and originates sealing control method | |
| CN205895312U (en) | Be used for rich irrigated land section tunnel water handling system | |
| CN206581941U (en) | A kind of slurry shield seals steel bushing initiator device | |
| CN105986836B (en) | A kind of single-track railway tunnel substrate guarded drainage strengthen the system | |
| CN203835402U (en) | Starting portal sealing structure of slurry shield tunnel | |
| CN103993607B (en) | Steel floral tube controls slip casting antiskid composite construction and rapid constructing method thereof | |
| CN106948829A (en) | A kind of slurry shield originates portal sealing structure and its construction method | |
| CN111734420B (en) | Water-rich stratum shield underwater receiving method provided with tunnel portal mortar retaining wall | |
| CN106812540B (en) | Shield initial plain wall sealing water-stopping reinforcing structure and construction process | |
| CN206916753U (en) | A kind of water sealing structure of diaphram wall and its seam crossing | |
| CN202117686U (en) | Surrounding rock advanced support structure for railway tunnel at deep-buried watery and weak stratums | |
| CN203809012U (en) | Shield tunnel foundation base reserved grouting and processing system | |
| CN107035378A (en) | The method of super-large-diameter shield machine exchanging shield ventral brush under high hydraulic condition | |
| CN206707714U (en) | A kind of slurry shield originates portal sealing structure | |
| WO2021082843A1 (en) | Weak stratum-based reinforcement method for shield tunnel covered by shallow soil | |
| CN106593465A (en) | Structure for improving shock resistance and shock absorption capacity of tunnel lining and construction method | |
| CN104196072B (en) | Plateau mountain foundation pit excavation construction equipment | |
| CN208203306U (en) | Tunnel antipriming | |
| CN206608175U (en) | Shield machine reaches reception short sleeve device | |
| CN203702071U (en) | Water inrush preventing drill ejecting device for water exploration and grouting construction of vertical shaft | |
| CN104265156B (en) | The drawing to dig of plateau mountain foundation pit excavation construction equipment carries native device | |
| CN204113296U (en) | A kind of sealing device being applicable to shield machine | |
| CN108150201A (en) | Tunnel antipriming and construction method | |
| CN206957718U (en) | The constructing device of shield launching | |
| CN207315381U (en) | A kind of shield launching sealing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |