CN209637774U - A kind of duct pieces of shield tunnel grouting device - Google Patents
A kind of duct pieces of shield tunnel grouting device Download PDFInfo
- Publication number
- CN209637774U CN209637774U CN201920232619.3U CN201920232619U CN209637774U CN 209637774 U CN209637774 U CN 209637774U CN 201920232619 U CN201920232619 U CN 201920232619U CN 209637774 U CN209637774 U CN 209637774U
- Authority
- CN
- China
- Prior art keywords
- slip casting
- grouting
- tube
- injected hole
- shield
- 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
Landscapes
- Lining And Supports For Tunnels (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model provides a kind of duct pieces of shield tunnel grouting device.The grouting device includes casing ball valve, slip casting casing, check valve and grouting tube, the check valve is embedded to be reserved in injected hole in shield duct piece, and injected hole is reserved with shield duct piece and is threadedly coupled, slip casting casing one end is embedded in shield duct piece and reserves in injected hole, and be tightly connected with check valve, the other end is threadedly coupled with casing ball valve；One end of the grouting tube is arranged to cone point, the other end is equipped with slip casting ball valve, multiple injected holes are offered close to the tube wall of cone point in grouting tube, and threaded connection block is equipped with close to the position of slip casting ball valve in grouting tube, in the tip insertion slip casting casing of grouting tube, and reserve injected hole across check valve and shield duct piece and protrude into the stratum of shield duct piece lining cutting behind, threaded connection block is threadedly coupled with casing ball valve.For the utility model in the slip casting of shield crossing stratum containing artesian water, sealing effect is good, can prevent Sand phenomenon.
Description
Technical field
The utility model belongs to shield method tunnel construction field, and in particular to a kind of shield tunnel grouting device.
Background technique
With China's city underground engineering high speed development, the worn stratum of shield-tunneling construction and periphery buildings or structures situation are also got over
Come more complicated.Therefore, shield-tunneling construction is also higher and higher to the control technology of stratum settlement and requirement, and secondary grouting process is entire
Ground settlement, waterproof and the supplement insufficient critical process of synchronous grouting are controlled in shield-tunneling construction, so, secondary injection in shield-tunneling construction
Slurry process also more extensively, is frequently used.Shield secondary grouting construction technology is main at present are as follows: electricity consumption drill straight is returned poling
Then concrete at piece injected hole is reserved in section of jurisdiction and is mounted directly grouting device progress slip casting in injected hole (hole for hoist).And tunnel
When road is in artesian water stratum, in punching and installation process Sand very likely occurs for existing grouting device in tunnel
Phenomenon；Since existing grouting device does not extend out section of jurisdiction outer diameter (length is fixed), so when controlling buildings or structures sedimentation, nothing
Method draft according to the spatial relation that object and tunnel (are built) in ground or construction the slip casting operation in region；And the device slip casting
It will cause slip casting hole plug after the completion, can be only done disposable slip casting, can not accomplish the sedimentation according to ground or buildings or structures
Monitoring data carry out dynamic slip casting repeatedly, repeatedly in tunnel, to reach the heavy of effectively control ground or buildings or structures
Effect drops.
Shield is when water-rich sand layer is constructed, because water-rich sand layer water content is abundant, good penetrability, and easy liquid after being disturbed
Change.The Forming Quality in the ground confrontation tunnel has construction requirement higher, also easily generates the sedimentation on stratum.Therefore when constructing tunnel
Need to synchronize the gap of slip casting and second pulp feeding to fill up stratum in time.And to conventional second pulp feeding, mend slurry often because
Simultaneous grouting slurry condensation and stratum hydraulic pressure large effect and be difficult to inject, this is by the tunnel quality band to water-rich sand layer geology
Carry out particularly troublesome problem.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of shield tunnel grouting devices, can by the device
Gap between shield tunnel segment lining ring and stratum is carried out repeatedly, repeatedly slip-casting, and efficiently solved containing artesian water
Sand causes Stratum Loss problem, slip casting depth deficiency not to can effectively prevent sedimentation and section of jurisdiction to sink etc. to asking when the slip casting of stratum
Topic.
To solve the above-mentioned problems, a kind of technical solution provided by the utility model: duct pieces of shield tunnel slip casting dress
It sets, it is characterised in that: the grouting device includes slip casting sheath assembly and grouting tube, and the slip casting sheath assembly includes casing
Ball valve, slip casting casing and check valve, the check valve is embedded to be reserved in injected hole in shield duct piece, and reserves note with shield duct piece
It starches hole to be threadedly coupled, slip casting casing one end is embedded in shield duct piece and reserves in injected hole, and is tightly connected with check valve, pipe
Wall is reserved injected hole with shield duct piece and is threadedly coupled, and the other end is threadedly coupled with casing ball valve；One end of the grouting tube is set
It is set to cone point, and offers multiple injected holes in the tube wall close to cone point, is equipped with note in the other end of grouting tube
It starches ball valve, and is equipped with threaded connection block close to the position of slip casting ball valve in grouting tube, the tip of grouting tube is from casing ball valve
Upper port is inserted into slip casting casing, and is reserved injected hole across check valve and shield duct piece and protruded into shield duct piece lining cutting behind stratum
Interior, threaded connection block is threadedly coupled with casing ball valve.
The utility model preferably technical solution: the check valve uses section of jurisdiction grouting stop-valve, is screwed to shield duct piece
The bottom of reserved injected hole.
The utility model preferably technical solution: the threaded connection block and grouting tube pass through soldered sealing welding.
The utility model preferably technical solution: the grouting tube uses the hollow hard tube of rigidity material, and tip is at envelope
Closed state, the diameter of tube body are less than or equal to the diameter of injected hole, and the length of tube body is greater than the thickness of tunnel duct piece, the slip casting flower
Pipe is silk thread mouth in section of jurisdiction end welding deformation, and is connect by silk thread mouth with note casing ball valve.
The utility model preferably technical solution: the grouting tube is installed in slip casting sheath assembly, and the pipe passed through
After piece injected hole super hole cutter gets through section of jurisdiction injected hole into power device, injected hole is reserved from slip casting sheath assembly insertion section of jurisdiction
It is interior；The section of jurisdiction injected hole super hole cutter into power device be pneumatic impact wrench (drill rod) or electric drill.
The utility model is in the slip casting of shield crossing stratum containing artesian water, by setting sealing device and ball valve, effectively
Prevent the water burst being likely to occur, gush Sha Xianxiang, the mortar that takes various forms and combination grouting mode, adjust slip casting region and
It is able to carry out repeatedly, repeatedly dynamic slip casting, more there is specific aim slip casting, be conducive to reasonably supplement the loss of tunnel surrounding formation
Water and soil, control tunnel is nearby built, the sedimentation of structures and protection form shield tunnel.The utility model is easy to operate, safety can
It leans on, and can completely seal slurries, sealing effect is good, and entire work progress is easy safely.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the slip casting sheath assembly structural schematic diagram of the utility model；
It is the partial enlarged view that slip casting casing is docked with grouting tube that Fig. 3, which is 1,.
In figure: 1-casing ball valve, 2-slip casting casings, 3-check valves, 4-threaded connection blocks, 5-soldereds, 6-notes
Floral tube is starched, 6-1-cone point, 7-slip casting ball valves, 8-slurries diffusion holes, injected hole, 10-shield pipes are reserved in 9-sections of jurisdiction
Piece.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.Embodiment is specific as shown in Fig. 1 to Fig. 3, below
Claimed invention is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings
Range, but be merely representative of the selected embodiment of the utility model, based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the utility model protection
Range.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be understood that term " on ", "lower", "inner", "outside", "left", "right" etc.
The orientation or positional relationship of instruction be based on the orientation or positional relationship shown in the drawings or the utility model product use when
The orientation or positional relationship that the orientation or positional relationship or those skilled in the art usually put usually understand, be only for
Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, " setting ",
Terms such as " connections " shall be understood in a broad sense, for example, " connection " may be a fixed connection, may be a detachable connection, or one
Ground connection；It can be mechanical connection, be also possible to be electrically connected；Can be and be directly connected to, can also by between intermediary in succession
It connects, can be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be
The concrete meaning of above-mentioned term in the present invention.
A kind of duct pieces of shield tunnel grouting device provided in embodiment is specifically as shown in Figure 1 to Figure 3, including slip casting casing
Component and grouting tube 6, the slip casting sheath assembly include casing ball valve 1, slip casting casing 2 and check valve 3, the check valve 3
Using existing section of jurisdiction grouting stop-valve, check valve 3 is embedded to be reserved in injected hole 9 in shield duct piece, and reserves slip casting with shield duct piece
Hole 9 is threadedly coupled, and is screwed to the bottom that shield duct piece reserves injected hole 9.2 one end of slip casting casing insertion shield duct piece is reserved
In injected hole 9, and injected hole 9 being reserved with shield duct piece and is threadedly coupled, the other end is threadedly coupled with casing ball valve 1.The slip casting
Floral tube 6 uses the hollow hard tube of rigidity material, and one end is arranged to cone point 6-1, and at closed state, the diameter of tube body is small at tip
In the diameter for being equal to injected hole, the length of tube body is greater than the thickness of shield duct piece 10, and the grouting tube 6 welds at section of jurisdiction end
It is deformed into silk thread mouth, offers multiple slurries diffusion holes 8 close to the tube wall of cone point 6-1 in grouting tube 6, in slip casting flower
The other end of pipe 6 is equipped with slip casting ball valve 7, and threaded connection block 4, threaded connection block 4 are equipped at 6 silk thread mouth of grouting tube
With grouting tube 6 by 5 sealing welding of soldered, slip casting casing and grouting tube is made to form locking device.In slip casting casing group
Part installs, by section of jurisdiction injected hole super hole cutter section of jurisdiction injected hole is got through into power device, the tip of grouting tube 6 is from set
1 upper port of pipe ball valve is inserted into slip casting casing 2, and is reserved injected hole 9 across check valve 3 and shield duct piece and protruded into shield duct piece 10
In the stratum of lining cutting behind, threaded connection block 4 is threadedly coupled with casing ball valve 1.The section of jurisdiction injected hole super hole cutter precession power dress
It is set to pneumatic impact wrench or electric drill.
According to condition of construction before the utility model is specifically used, as earth's surface, structure building settlement, section of jurisdiction sink, section of jurisdiction
Situations such as percolating water, reasonably selects section of jurisdiction injected hole point.In use, first according to the note for needing range of grouting process mating size
Floral tube 6 is starched, then reserves the installation that 9 inner end of injected hole first carries out check valve 3 in section of jurisdiction, check valve 3 is installed to the reserved note in section of jurisdiction
9 bottom of hole is starched, then the integral installation inlet pipe piece that slip casting casing 2 and casing ball valve 1 have been had connected is reserved in injected hole 9, and with
Closely connection forms whole slip casting casing bit to check valve 3；Slip casting casing bit is passed through using electric drill or drill rod to reserve section of jurisdiction
Injected hole 9 is punched to ground layer soil body, extracts drilling rod or drill rod, the aperture punched under the premise of can be across slip casting sheath assembly as far as possible
More greatly, opening diameter is slightly less than the internal diameter of slip casting casing for aperture；It punches after injected hole extracts drilling rod or drill rod and quickly spends slip casting
Reserved injected hole in one end insertion slip casting sheath assembly of pipe 6 across pipe-plate lining structure protrudes into stratum, is inserted into grouting tube
When encountering formation resistance, grouting tube can be tapped in place with hammer, slip casting flower in the interim installed plug in grouting tube ball valve end
The outside that the other end of pipe 6 is located at shield duct piece liner structure passes through the threaded connection block 4 and slip casting sheath assembly of grouting tube
Casing ball valve 1 be threadedly coupled, close slip casting ball valve 7, both make to form an integral sealing means.According to slip casting purpose and need
It asks different, reasonably selects mortar type and grouting equipment, the outer end of grouting tube 6 is connect with slip casting machine and opens slip casting ball valve
7 start slip casting.After slip casting reaches requirement, clear water flushing with pressure is used immediately, it is ensured that is starched in grouting tube 6 without slip casting after the completion of flushing
Liquid.Slip casting ball valve 7 is finally closed, slip casting machine is removed, then first time slip casting operation is completed.It later can be according to settlement monitoring, tunnel
Situations such as detection, section of jurisdiction leakage, connects slip casting machine and realizes multiple slip casting operation when selecting.After reaching final slip casting effect, extract
Grouting tube 6 removes slip casting casing 2, closes the section of jurisdiction and reserves injected hole 9, entire slip casting process is completed.
For the grouting tube 6 of the utility model in the case where meeting rigid situation, 6 internal diameter of grouting tube is big as far as possible, is convenient for mortar stream
It is dynamic, reduce plugging.Grouting tube 6 and slip casting casing 2 form integral sealing means after being connected through a screw thread, when slip casting there is no
Spillage situation.The interim installed plug in 7 end of slip casting ball valve, ball valve damages when to prevent hammer from tapping grouting tube.Not according to slip casting
Same demand outer on grouting tube ball valve can install triple valve, convenient for infusing various slurries, can choose mobile slip casting machine or
Shield machine carries grouting system and draws a pipeline joint progress slip casting.
The grouting device of the utility model can bear biggish pressure, and cement mortar can spread bigger face when slip casting
Product, while the mortar injected between tunnel duct piece and soil horizon in gap and soil horizon is more closely knit, to be effectively reduced
Gap between tunnel duct piece and soil horizon improves the structural strength of soil horizon, so that the stronger in tunnel is reduced safety hidden
Suffer from.When the specific slip casting of the utility model, grouting serous fluid is cement-waterglass double slurries, cement mortar, inertia mortars or lazy
Property mortar in add cement, do not had to according to slip casting purpose and function, can choose single fluid grouting, two fluid grouting or other combination
Type slip casting.
The above, only one embodiment of the utility model, therefore the description thereof is more specific and detailed, but can not be
And it is interpreted as the limitation to the scope of the utility model.It should be pointed out that for those of ordinary skill in the art, not
Under the premise of being detached from the utility model design, various modifications and improvements can be made, these belong to the guarantor of the utility model
Protect range.Therefore, the protection scope of the utility model should be determined by the appended claims.
Claims (5)
1. a kind of duct pieces of shield tunnel grouting device, it is characterised in that: the grouting device includes slip casting sheath assembly and slip casting
Floral tube (6), the slip casting sheath assembly include casing ball valve (1), slip casting casing (2) and check valve (3), the check valve (3)
It is embedded and is reserved in injected hole (9) in shield duct piece, and reserve injected hole (9) with shield duct piece and be threadedly coupled, the slip casting casing
(2) insertion shield duct piece in one end is reserved in injected hole (9), and is tightly connected with check valve (3), and tube wall and shield duct piece are reserved
Injected hole (9) is threadedly coupled, and the other end is threadedly coupled with casing ball valve (1)；One end setting of the grouting tube (6) is tapered
Tip (6-1), and multiple slurries diffusion holes (8) are offered in the tube wall close to cone point (6-1), in grouting tube (6)
The other end is equipped with slip casting ball valve (7), and is equipped with threaded connection block (4) close to the position of slip casting ball valve in grouting tube (6), slip casting
The tip of floral tube (6) is interior from casing ball valve (1) upper port insertion slip casting casing (2), and pre- across check valve (3) and shield duct piece
Injected hole (9) is stayed to protrude into shield duct piece (10) lining cutting behind stratum, threaded connection block (4) and casing ball valve (1) screw thread connect
It connects.
2. a kind of duct pieces of shield tunnel grouting device according to claim 1, it is characterised in that: the check valve (3) is adopted
With section of jurisdiction grouting stop-valve, it is screwed to the bottom that shield duct piece reserves injected hole (9).
3. a kind of duct pieces of shield tunnel grouting device according to claim 1, it is characterised in that: the threaded connection block
(4) pass through soldered (5) sealing welding with grouting tube (6).
4. a kind of duct pieces of shield tunnel grouting device according to claim 1, it is characterised in that: the grouting tube (6)
Using the hollow hard tube of rigidity material, at closed state, the diameter of tube body is less than or equal to the diameter of injected hole, the length of tube body at tip
Degree is greater than the thickness of shield duct piece (10), and the grouting tube (6) is silk thread mouth in section of jurisdiction end welding deformation, and passes through screw thread
Silk mouth is connect with note casing ball valve (1).
5. a kind of duct pieces of shield tunnel grouting device according to claim 1, it is characterised in that: the grouting tube (6)
After the section of jurisdiction injected hole super hole cutter for installing, and passing through in slip casting sheath assembly gets through section of jurisdiction injected hole into power device, from
Slip casting sheath assembly is inserted into section of jurisdiction and reserves in injected hole (9)；The section of jurisdiction injected hole super hole cutter into power device be pneumatic impact wrench
Or electric drill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920232619.3U CN209637774U (en) | 2019-02-22 | 2019-02-22 | A kind of duct pieces of shield tunnel grouting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920232619.3U CN209637774U (en) | 2019-02-22 | 2019-02-22 | A kind of duct pieces of shield tunnel grouting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209637774U true CN209637774U (en) | 2019-11-15 |
Family
ID=68494265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920232619.3U Active CN209637774U (en) | 2019-02-22 | 2019-02-22 | A kind of duct pieces of shield tunnel grouting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209637774U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065452A (en) * | 2020-09-16 | 2020-12-11 | 北京市市政工程研究院 | Pressure-bearing stratum lining wall post-grouting head and grouting method |
| CN112145189A (en) * | 2020-10-24 | 2020-12-29 | 中铁一局集团有限公司 | Novel duct piece grouting reinforcement method for soft soil area |
| CN112228120A (en) * | 2020-10-14 | 2021-01-15 | 中铁六局集团有限公司 | Quick plugging device for water and sand gushing in complex environment of shield construction |
| CN113756840A (en) * | 2021-09-13 | 2021-12-07 | 中国建设基础设施有限公司 | Anti-blowout device for applying sleeve valve steel pipe in water-rich sand layer and construction method |
| CN114033392A (en) * | 2021-11-16 | 2022-02-11 | 中铁北京工程局集团城市轨道交通工程有限公司 | Sedimentation control method applied to old village under water-rich sand layer shield |
| CN115839244A (en) * | 2023-02-13 | 2023-03-24 | 中铁五局集团电务工程有限责任公司 | Short-distance subway shield tunnel crossing operation supporting equipment and method |
-
2019
- 2019-02-22 CN CN201920232619.3U patent/CN209637774U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065452A (en) * | 2020-09-16 | 2020-12-11 | 北京市市政工程研究院 | Pressure-bearing stratum lining wall post-grouting head and grouting method |
| CN112228120A (en) * | 2020-10-14 | 2021-01-15 | 中铁六局集团有限公司 | Quick plugging device for water and sand gushing in complex environment of shield construction |
| CN112228120B (en) * | 2020-10-14 | 2023-04-28 | 中铁六局集团有限公司 | Quick plugging device for water and sand gushing in complex environment of shield construction |
| CN112145189A (en) * | 2020-10-24 | 2020-12-29 | 中铁一局集团有限公司 | Novel duct piece grouting reinforcement method for soft soil area |
| CN113756840A (en) * | 2021-09-13 | 2021-12-07 | 中国建设基础设施有限公司 | Anti-blowout device for applying sleeve valve steel pipe in water-rich sand layer and construction method |
| CN113756840B (en) * | 2021-09-13 | 2024-04-02 | 中国建设基础设施有限公司 | Blowout prevention device for applying sleeve valve steel pipe in water-rich sand layer and construction method |
| CN114033392A (en) * | 2021-11-16 | 2022-02-11 | 中铁北京工程局集团城市轨道交通工程有限公司 | Sedimentation control method applied to old village under water-rich sand layer shield |
| CN115839244A (en) * | 2023-02-13 | 2023-03-24 | 中铁五局集团电务工程有限责任公司 | Short-distance subway shield tunnel crossing operation supporting equipment and method |
| CN115839244B (en) * | 2023-02-13 | 2023-04-18 | 中铁五局集团电务工程有限责任公司 | Short-distance subway shield tunnel crossing operation supporting equipment and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209637774U (en) | A kind of duct pieces of shield tunnel grouting device | |
| CN101624910B (en) | Method for reinforcing concealed tunnel | |
| CN104314587A (en) | Targeted domain-control grouting device and grouting process | |
| CN103866762A (en) | Pile body longitudinal multipoint grouting device | |
| CN109026068A (en) | Shield tunnel grouting behind shaft or drift lining auxiliary body and grouting method | |
| CN201129183Y (en) | Tubule subsection repeat grouting apparatus | |
| CN104711987A (en) | Controllable grouting method for valve pipe sleeving method of deep and thick cover layer | |
| CN103031847B (en) | Reducing overlap joint combined type orifice pipe grouting method | |
| CN202644538U (en) | A grouting device used for a water-rich quicksand stratum | |
| CN103742162B (en) | Shield tail top is provided with shield machine and the synchronous grouting device of synchronous grouting device | |
| CN109681214A (en) | A kind of construction method of Full-face pouring strengthening stratum | |
| CN206144587U (en) | Odd -shaped cross section cavity self -drilling stock | |
| CN110863473B (en) | Combined water-blocking structure of buried pressure steel pipe | |
| CN107761736A (en) | A kind of plug and its construction method for pressure steel pipe of hydropower station grouting construction | |
| CN107388631A (en) | A kind of ground buried pipe of ground source heat pump pipeline construction method | |
| CN204609814U (en) | A kind of deep thick alluvium bored shaft broken grouting orifice tube is anti-goes out device | |
| CN209703509U (en) | A kind of packer | |
| CN104060603A (en) | Temperature controller device capable of measuring frost heaving pressure | |
| CN111140167A (en) | Straight-through water drainage drilling construction method for coal seam mining under conglomerate aquifer | |
| CN109505633A (en) | Lining cutting behind guide pipe grouting for water blocking device and construction method for shaly formation | |
| CN105019458A (en) | Deep and thick sand layer covered karst cave grouting system device and construction method | |
| CN206233204U (en) | Buried pressure steel pipe contact grouting hole sealing structure | |
| CN210127858U (en) | A lining cutting back of body uide tube slip casting water shutoff device for muddy stratum | |
| CN211285527U (en) | Combined water blocking structure of embedded pressure steel pipe | |
| CN104711986B (en) | A kind of method for filling of deep covering layer sheath body slurry |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |