CN209083289U - A kind of shield tunnel tunnel bottom backfills precast construction - Google Patents
A kind of shield tunnel tunnel bottom backfills precast construction Download PDFInfo
- Publication number
- CN209083289U CN209083289U CN201822018334.8U CN201822018334U CN209083289U CN 209083289 U CN209083289 U CN 209083289U CN 201822018334 U CN201822018334 U CN 201822018334U CN 209083289 U CN209083289 U CN 209083289U
- Authority
- CN
- China
- Prior art keywords
- hole
- groove
- prefabricated component
- block
- convex block
- 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.)
- Expired - Fee Related
Links
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model belongs to shield technique field, in particular a kind of shield tunnel tunnel bottom backfills precast construction, including prefabricated component, the side of the prefabricated component is fixedly installed with the first convex block, the prefabricated component offers the first groove far from the side of the first convex block, first convex block of two adjacent prefabricated components is slidably connected with the first groove, first through hole is offered at the top of first convex block, fixture block is slidably fitted in the first through hole, there are two limited blocks for the two sides fixed installation of the fixture block, sliding slot there are two being opened up on the two sides inner wall of the first through hole, two limited blocks are slidably connected respectively with two sliding slots, the first supporting block is fixedly installed at the top of the fixture block, the second through-hole is offered at the top of first supporting block, the second groove is opened up at the top of the prefabricated component.The utility model is practical, and can adjacent preforms be carried out with assembled fixed stability between raising adjacent preforms.
Description
Technical field
The utility model relates to shield technique fields more particularly to a kind of shield tunnel tunnel bottom to backfill precast construction.
Background technique
Shield method is the Fully-mechanized construction method of one of shallow mining method, it is to promote Shield-type machinery in ground,
Surrounding country rock is supported by shield shell and section of jurisdiction and prevents the collapsing in tunnel, while with cutting dress in front of excavation face
Carry out soil excavation is set, by being unearthed, machinery is transported outside hole, by jack in rear pressurization jacking, and assembled precast concrete pipe
Piece forms a kind of mechanized construction method of tunnel structure, and tradition is all cast in situs, more time-consuming in this way, existing
All it is that assembly is carried out by prefabricated component, the construction time is greatly saved.
But be to be spliced between existing prefabricated section and prefabricated section by the first convex block and the first groove fixture block, so
Joints cement again afterwards, in this way splicing are simultaneously insecure, are easy to produce crack, and the stability between adjacent preforms is poor, for this purpose, proposing
A kind of shield tunnel tunnel bottom backfills precast construction.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of shield tunnel tunnel proposed
Bottom backfills precast construction.
To achieve the goals above, the utility model adopts the technical scheme that a kind of backfill of shield tunnel tunnel bottom is pre-
Structure processed, including prefabricated component, the side of the prefabricated component are fixedly installed with the first convex block, and the prefabricated component is far from the first convex block
Side offers the first groove, and the first convex block and the first groove of two adjacent prefabricated components are slidably connected, and described first is convex
First through hole is offered at the top of block, fixture block is slidably fitted in the first through hole, and the two sides of the fixture block are fixedly installed with
Two limited blocks open up on the two sides inner wall of the first through hole there are two sliding slot, and two limited blocks divide with two sliding slots
It is not slidably connected, the first supporting block is fixedly installed at the top of the fixture block, offers second at the top of first supporting block
Through-hole opens up the second groove at the top of the prefabricated component, and first supporting block is slidably connected with the second groove, and described second is logical
Hole internal screw thread is equipped with bolt, and the side of the prefabricated component is equipped with multiple second convex blocks, and the prefabricated component is far from the second convex block
Side is equipped with multiple third grooves, and second convex block is adapted with corresponding third groove.
Preferably, injected hole is offered at the top of the prefabricated component, is convenient for slip casting.
Preferably, hole for hoist and gas vent are offered at the top of the prefabricated component, convenient for exhaust and lifting.
Preferably, the bottom of second groove is fixedly installed with the 4th groove, and the 4th groove and bolt thread connect
It connects, is convenient for fixing bolt.
Preferably, sealing ring is equipped in the first through hole, the outer ring of the sealing ring and the inner wall of first through hole are fixed
Connection, the inner ring of the sealing ring are slidably located on fixture block, improve leakproofness.
Preferably, the surrounding fixing sleeve of the prefabricated component is equipped with sealing ring, improves leakproofness.
Compared with prior art, the utility model has the beneficial effects that firstly, the device by prefabricated component, the first convex block,
First groove, first through hole, fixture block, limited block, sliding slot, the first supporting block, the second through-hole, the second groove and bolt match,
First convex block of one prefabricated component is installed in the first groove of adjacent prefabricated component, fixture block is put by the second groove
In first through hole, then degrees of rotation, limited block is turned in sliding slot, and two prefabricated components can be fixed, then by bolt
Rotation is turned in the 4th groove by the second through-hole, can be carried out to two neighboring prefabricated component assembled；
It is matched by prefabricated component, the first convex block, the second convex block and third groove, prefabricated component is pre- with the second convex block side
When product is connected, directly the second convex block, which is installed in third groove, can be completed assembly, then to construction joint and injected hole into
Row slip casting ensure that the stability of installation；
The utility model is practical, can carry out assembly to adjacent preforms and fix, improve steady between adjacent preforms
It is qualitative.
Detailed description of the invention
Fig. 1 faces schematic cross-sectional view for the utility model；
Fig. 2 is the enlarged diagram of part A in the utility model；
Fig. 3 is the diagrammatic side-view cross-sectional structural schematic diagram of the utility model；
Fig. 4 is the vertical view schematic cross-sectional view of the utility model；
Fig. 5 is the enlarged diagram of part B in the utility model；
In figure: 1, prefabricated component；2, the first convex block；3, the first groove；4, first through hole；5, fixture block；6, limited block；7, sliding
Slot；8, the first supporting block；9, the second through-hole；10, the second groove；11, bolt；12, the second convex block；13, third groove.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-5, the utility model provides a kind of technical solution: a kind of shield tunnel tunnel bottom backfills precast construction,
Including prefabricated component 1, the side of prefabricated component 1 is fixedly installed with the first convex block 2, and prefabricated component 1 is offered far from the side of the first convex block 2
First groove 3, the first convex block 2 and the first groove 3 of two adjacent preforms 1 are slidably connected, and the top of the first convex block 2 offers
First through hole 4, is slidably fitted with fixture block 5 in first through hole 4, and the two sides of fixture block 5 are fixedly mounted that there are two limited block 6, first is logical
It is opened up on the two sides inner wall in hole 4 there are two sliding slot 7, two limited blocks 6 are slidably connected respectively with two sliding slots 7, the top of fixture block 5
It is fixedly installed with the first supporting block 8, the top of the first supporting block 8 offers the second through-hole 9, and the top of prefabricated component 1 opens up second
Groove 10, the first supporting block 8 are slidably connected with the second groove 10, and 9 internal screw thread of the second through-hole is equipped with bolt 11, prefabricated component 1
Side is equipped with multiple second convex blocks 12, and prefabricated component 1 is equipped with multiple third grooves 13 far from the side of the second convex block 12, and second is convex
Block 12 is adapted with corresponding third groove 13；
The top of prefabricated component 1 offers injected hole, is convenient for slip casting, and the top of prefabricated component 1 offers hole for hoist and gas vent,
Convenient for being vented and lifting, the bottom of the second groove 10 is fixedly installed with the 4th groove, and the 4th groove is threadedly coupled with bolt 11, just
In being equipped with sealing ring in fixing bolt 11, first through hole 4, the outer ring of sealing ring is fixedly connected with the inner wall of first through hole 4, is sealed
The inner ring of circle is slidably located on fixture block 5, improves leakproofness, and the surrounding fixing sleeve of prefabricated component 1 is equipped with sealing ring, improves sealing
Property, by prefabricated component 1, the first convex block 2, the first groove 3, first through hole 4, fixture block 5, limited block 6, sliding slot 7, the first supporting block 8,
Second through-hole 9, the second groove 10 and bolt 11 match, and the first convex block 2 of a prefabricated component 1 is installed to adjacent prefabricated component
In 1 the first groove 3, fixture block 5 is put into first through hole 4 by the second groove 10,90 degree are then rotated, by limited block 6
It turns in sliding slot 7, two prefabricated components 1 can be fixed, then the rotation of bolt 11 is turned to the 4th by the second through-hole 9
In groove, assembly can be carried out to two neighboring prefabricated component 1, it is recessed by prefabricated component 1, the first convex block 2, the second convex block 12 and third
Slot 13 matches, and when prefabricated component 1 is connected with the prefabricated component 1 of 12 side of the second convex block, the second convex block 12 is directly installed to
Assembly can be completed in three grooves 13, then slip casting is carried out to construction joint and injected hole, ensure that the stability of installation, this is practical new
Type is practical, and can adjacent preforms 1 be carried out with assembled fixation, improves the stability between adjacent preforms 1.
Working principle: the prefabricated component brought is lifted into installation region by hole for hoist with hanging device, then needs pair
When the assembly of prefabricated 1 progress 2 side of the first convex block, the first convex block 2 of a prefabricated component 1 is installed to adjacent prefabricated component 1
In first groove 3, fixture block 5 is put into first through hole 4 by the second groove 10,90 degree is then rotated, limited block 6 is rotated
Into sliding slot 7, two prefabricated components 1 can be fixed, then the rotation of bolt 11 is turned into the 4th groove by the second through-hole 9
It is interior, fixation can be completed, and when prefabricated component 1 is connected with the prefabricated component 1 of 12 side of the second convex block, directly the second convex block 12 is pacified
It is attached in third groove 13 and assembly can be completed, then slip casting is carried out to construction joint and injected hole, ensure that the stability of installation.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of shield tunnel tunnel bottom backfills precast construction, including prefabricated component (1), it is characterised in that: the one of the prefabricated component (1)
Side is fixedly installed with the first convex block (2), and the prefabricated component (1) offers the first groove (3) far from the side of the first convex block (2),
The first convex block (2) of two adjacent prefabricated components (1) is slidably connected with the first groove (3), the top of first convex block (2)
It offers first through hole (4), is slidably fitted with fixture block (5) in the first through hole (4), the fixed peace in the two sides of the fixture block (5)
Dress opens up that there are two sliding slot (7), two limited blocks there are two limited block (6) on the two sides inner wall of the first through hole (4)
(6) it is slidably connected with two sliding slots (7), is fixedly installed with the first supporting block (8) at the top of the fixture block (5) respectively, described
It offers at the top of one supporting block (8) the second through-hole (9), is opened up the second groove (10) at the top of the prefabricated component (1), described
One supporting block (8) is slidably connected with the second groove (10), and the second through-hole (9) internal screw thread is equipped with bolt (11), described pre-
The side of product (1) is equipped with multiple second convex blocks (12), and the prefabricated component (1) is equipped with multiple far from the side of the second convex block (12)
Third groove (13), and second convex block (12) is adapted with corresponding third groove (13).
2. a kind of shield tunnel tunnel bottom according to claim 1 backfills precast construction, it is characterised in that: the prefabricated component
(1) injected hole is offered at the top of.
3. a kind of shield tunnel tunnel bottom according to claim 1 backfills precast construction, it is characterised in that: the prefabricated component
(1) hole for hoist and gas vent are offered at the top of.
4. a kind of shield tunnel tunnel bottom according to claim 1 backfills precast construction, it is characterised in that: second groove
(10) bottom is fixedly installed with the 4th groove, and the 4th groove is threadedly coupled with bolt (11).
5. a kind of shield tunnel tunnel bottom according to claim 1 backfills precast construction, it is characterised in that: the first through hole
(4) sealing ring is equipped in, the outer ring of the sealing ring is fixedly connected with the inner wall of first through hole (4), the inner ring of the sealing ring
It is slidably located on fixture block (5).
6. a kind of shield tunnel tunnel bottom according to claim 1 backfills precast construction, it is characterised in that: the prefabricated component
(1) surrounding fixing sleeve is equipped with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822018334.8U CN209083289U (en) | 2018-11-27 | 2018-11-27 | A kind of shield tunnel tunnel bottom backfills precast construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822018334.8U CN209083289U (en) | 2018-11-27 | 2018-11-27 | A kind of shield tunnel tunnel bottom backfills precast construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209083289U true CN209083289U (en) | 2019-07-09 |
Family
ID=67126266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822018334.8U Expired - Fee Related CN209083289U (en) | 2018-11-27 | 2018-11-27 | A kind of shield tunnel tunnel bottom backfills precast construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209083289U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778330A (en) * | 2019-11-09 | 2020-02-11 | 黄河勘测规划设计研究院有限公司 | Prefabricated reinforced concrete bottom plate for rapid lining of horseshoe tunnel and construction method |
-
2018
- 2018-11-27 CN CN201822018334.8U patent/CN209083289U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778330A (en) * | 2019-11-09 | 2020-02-11 | 黄河勘测规划设计研究院有限公司 | Prefabricated reinforced concrete bottom plate for rapid lining of horseshoe tunnel and construction method |
| CN110778330B (en) * | 2019-11-09 | 2021-07-09 | 黄河勘测规划设计研究院有限公司 | Prefabricated reinforced concrete bottom plate for rapid lining of horseshoe tunnel and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104047623B (en) | A kind of big across cavern excavation construction method | |
| CN204984441U (en) | It backfills novel section of jurisdiction of quality behind one's back to change single shield TBM section of jurisdiction | |
| CN103306683A (en) | Construction method for comprehensive precipitation in hole in deep-buried tunnel excavation process | |
| CN103993892A (en) | Supporting method for soft broken nonuniform stratum tunnel construction | |
| CN104912101A (en) | Tunneling and assembling structure and construction method of comprehensive pipe gallery | |
| CN205712137U (en) | Foundation pit supporting construction | |
| CN104389618A (en) | Method for constructing multiple-arch tunnel hole body large room-free pipe shed support | |
| CN109139021A (en) | A kind of more pilot tunnel Construction Organization Methods of multi-step | |
| CN103628889A (en) | Quick sealing method for excavating phyllite stratum tunnel | |
| CN103835723A (en) | Comprehensive pretreatment method for shaft penetration in mined-out area stratum | |
| CN206957718U (en) | The constructing device of shield launching | |
| CN209083289U (en) | A kind of shield tunnel tunnel bottom backfills precast construction | |
| CN103726858A (en) | Underground large-scale cave depot project sphere-cylinder combination excavation method | |
| CN105065009A (en) | Method for shield expanding construction of subway station | |
| CN105952459B (en) | A kind of tunnel pin-connected panel preliminary bracing method | |
| CN203583493U (en) | Combined lattice steel frame spray anchoring foundation pit supporting structure | |
| CN104047607A (en) | Construction method for lifting out shield tunneling machine under condition of envelop enclosure | |
| CN103628890A (en) | Soft phyllite tunnel excavation deformation control method | |
| CN206668287U (en) | A kind of combined steel pipe concrete bow member for supporting | |
| CN103410529B (en) | A kind of support of tunnel arch springing ruggedized construction for weak surrounding rock and construction method | |
| CN205743930U (en) | One is applicable to confined concrete bow member automated construction node articulated mounting | |
| CN104329098A (en) | Weak surrounding rock auxiliary gallery small pilot tunnel crossing main tunnel roof brushing construction method | |
| CN103276706B (en) | The construction method of diversion tunnel lower curved section leakage preventing structure | |
| CN107218044A (en) | A kind of excavation method of extrusion rock small-clear-distance tunnel | |
| CN111425664A (en) | Large-diameter concrete pipeline jacking pipe construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190709 Termination date: 20191127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |