CN205938279U - Backfill grouting piecing devices are used in construction of two shield TBM - Google Patents
Backfill grouting piecing devices are used in construction of two shield TBM Download PDFInfo
- Publication number
- CN205938279U CN205938279U CN201620908709.6U CN201620908709U CN205938279U CN 205938279 U CN205938279 U CN 205938279U CN 201620908709 U CN201620908709 U CN 201620908709U CN 205938279 U CN205938279 U CN 205938279U
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- China
- Prior art keywords
- grouting
- piecing devices
- adapter
- double
- rockfill
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- 238000010276 construction Methods 0.000 title claims abstract description 25
- 239000011440 grout Substances 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 229920001971 elastomer Polymers 0.000 claims description 26
- 239000005060 rubber Substances 0.000 claims description 26
- 239000002002 slurry Substances 0.000 claims description 18
- 238000003825 pressing Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 abstract description 3
- 239000003292 glue Substances 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000007711 solidification Methods 0.000 description 6
- 230000008023 solidification Effects 0.000 description 6
- 238000012856 packing Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 210000005239 tubule Anatomy 0.000 description 2
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model discloses a backfill grouting piecing devices are used in construction of two shield TBM, including the grout takeover of being connected with the grout pipe, being provided with valve and sealing mechanism on grout is taken over, sealing mechanism includes that suit expansion glue on grout is taken over encloses and is used for the extrusion the extrusion mechanism of expansion glue circle. The utility model discloses simple structure and convenient operation, sealed effectual, the operational reliability is high, can prevent that the thick liquid from leaking the emergence of phenomenon outward to can realize that the thick liquid pressurize solidifies, guarantee grouting quality, improve work efficiency, convenient to popularize and use.
Description
Technical field
The utility model belongs to double-shielded TBM technical field of tunnel construction, is related to a kind of piecing devices and in particular to one kind
It is capable of the double-shielded TBM construction rockfill grouting piecing devices of slurries pressurize solidification.
Background technology
In existing double-shielded TBM (full face rock tunnel boring machine) construction, shaping hole section completes lining segment operation and beans gravel
After stone packing job, need rockfill grouting between lining segment and crag, lining segment prefabricated in advance is reserved with filling
Slurry hole, rockfill grouting operation power relies on air compressor machine to provide air pressure, rockfill grouting pressure maximum in 0.5MPa, at present frequently with
Method has two kinds：One is pre-buried rockfill grouting tubule in lining segment, is closed using alveolation rockfill grouting material occurred frequently,
Need the embedded rockfill grouting tubule of scene boring, and double-shielded TBM construction height is often in more than 10KM, rockfill grouting amount is very
Greatly, the method tedious process, time-consuming, low production efficiency；Two is using directly by the filling on grout pipe injection lining segment
Slurry carries out rockfill grouting in hole, but the method has following defect：1. rockfill grouting security is poor, is susceptible to slurries leakage
Phenomenon；2., after completing rockfill grouting, wait the time of grout cures long, wasting manpower and material resources and low production efficiency；For
Technical problem in two kinds of methods, it is desirable to provide a kind of backfill that can be used in double-shielded TBM construction rockfill grouting operation fills
Slurry piecing devices.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, provides a kind of double shield
Rockfill grouting piecing devices are used in shield TBM construction, and its structure is simple and easy to operate, good sealing effect, and functional reliability is high, can
Prevent the generation of slurries leakage phenomenon, and be capable of slurries pressurize solidification it is ensured that grouting quality, improve operating efficiency,
It is easy to promote the use of.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of double-shielded TBM construction backfill
Grouting piecing devices it is characterised in that：Including be connected with grout pipe grouting adapter, described grouting adapter on be provided with valve and
Sealing mechanism, described sealing mechanism includes being sleeved on expansion cushion rubber and the extruding for extruding described expansion cushion rubber in grouting adapter
Mechanism.
A kind of above-mentioned double-shielded TBM construction with rockfill grouting piecing devices it is characterised in that：Described grouting adapter and filling
Connected by snap joint between slurry pipe.
A kind of above-mentioned double-shielded TBM construction with rockfill grouting piecing devices it is characterised in that：Described pressing mechanism includes
It is sleeved on the thread bush in grouting adapter and the handle being arranged on thread bush.
A kind of above-mentioned double-shielded TBM construction with rockfill grouting piecing devices it is characterised in that：Described thread bush and expansion
It is provided with sleeve pipe between cushion rubber.
A kind of above-mentioned double-shielded TBM construction with rockfill grouting piecing devices it is characterised in that：Set in described grouting adapter
It is equipped with for limiting the spacing ring expanding cushion rubber axial location.
A kind of above-mentioned double-shielded TBM construction with rockfill grouting piecing devices it is characterised in that：Described grouting adapter is steel
Pipe.
A kind of above-mentioned double-shielded TBM construction with rockfill grouting piecing devices it is characterised in that：Described valve is ball valve.
The utility model compared with prior art has advantages below：
1st, the utility model passes through the grouting adapter that setting is connected with grout pipe, and between grouting adapter and lining segment
Sealed using expanding cushion rubber, grouting adapter can be fixed on lining segment, good sealing effect, it is to avoid during rockfill grouting
The generation of slurries leakage phenomenon.
2nd, the utility model is after the completion of rockfill grouting operation, and when slurries also do not solidify, by closing valve,
Reach pressurize and the effect making grout cures.
3rd, the utility model adopts snap joint to connect adapter of being in the milk with grout pipe, easy accessibility, and switching performance is stable
Reliable.
4th, in same construction area, the method that simultaneously can be used using this rockfill grouting piecing devices multiple, can be effective
Raising operating efficiency, closing during valve carries out pressurize solidification, you can grout pipe is separated with grouting adapter, will fill
Slurry pipe be connected on another this rockfill grouting piecing devices by snap joint, proceed rockfill grouting operation it is not necessary to
Stop work and wait grout cures.
5th, structure of the present utility model is simple, and novel in design reasonable, cost of implementation is low, and using effect is good, and being easy to popularization makes
With.
In sum, the utility model structure is simple, and novel in design rationally functional reliability is high, and good sealing effect can
Prevent the generation of slurries leakage phenomenon, and be capable of slurries pressurize solidification it is ensured that grouting quality, improve operating efficiency,
It is easy to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Brief description
Fig. 1 is structural representation of the present utility model.
Fig. 2 is working state schematic representation of the present utility model.
Description of reference numerals:
1 grouting adapter；2 spacing rings；3 packing rings；
4 expansion cushion rubbers；5 sleeve pipes；6-1 thread bush；
6-2 handle；7 lining segments；8 ball valves；
9 snap joints；10 screw thread short tubes；11 grout pipes.
Specific embodiment
As depicted in figs. 1 and 2, the utility model includes the grouting adapter 1 being connected with grout pipe 11, and grouting adapter 1 sets
Be equipped with valve and sealing mechanism, described sealing mechanism include being sleeved in grouting adapter 1 expansion cushion rubber 4 and being used for extrude described swollen
The pressing mechanism of swollen cushion rubber 4.
In the present embodiment, it is connected by snap joint 9 between grouting adapter 1 and grout pipe 11, the setting of snap joint 9 makes
Grouting adapter 1 and grout pipe 11 easy accessibility, switching performance is reliable and stable.
Preferably, it is provided with screw thread short tube 10 between grout pipe 11 and snap joint 9, the setting of screw thread short tube 10 makes to fill
Slurry pipe 11 is connected reliable and easy to operate it is not necessary to adopt steel wire ligation with snap joint 9, and using effect is good.
In the present embodiment, described pressing mechanism includes the thread bush 6-1 being sleeved in grouting adapter 1 and is arranged on thread bush
Handle 6-2 on 6-1, described handle 6-2 are disc or linear.
In the present embodiment, described thread bush 6-1 and expand and be provided with sleeve pipe 5 between cushion rubber 4, being disposed to of sleeve pipe 5
Prevent from colliding between handle 6-2 and the inwall of lining segment 7, and ensure, during operator Manual operation handle 6-2, there is foot
Enough operating spaces.
In the present embodiment, grouting adapter 1 is provided with for limiting the spacing ring 2 expanding cushion rubber 4 axial location, spacing ring
2 be disposed to prevents from expanding cushion rubber 4 and comes off from grouting adapter 1, leads to seal failure.
Preferably, expand cushion rubber 4 quantity be two, two expand cushion rubbers 4 between, spacing ring 2 and expand cushion rubber 4 between
And between expansion cushion rubber 4 and sleeve pipe 5, it is provided with packing ring 3, the purpose of setting packing ring 3 is：Partly in order to strengthening close
Envelope effect, on the other hand in order to reduce two expand cushion rubbers 4 between, spacing ring 2 and expand cushion rubber 4 between and expand cushion rubber 4
Friction and sleeve pipe 5 between, improves the service life expanding cushion rubber 4.
Preferably, grouting adapter 1 is steel pipe, and intensity is high and wearability is good.
Preferably, described valve is ball valve 8, and structure is simple and easy to operate.
As shown in Fig. 2 when actually used, the one end first grouting adapter 1 being provided with expansion cushion rubber 4 penetrates lining segment
In 7, thread bush 6-1 is made to promote sleeve pipe 5 along the axis direction movement of grouting adapter 1, extrusion expansion glue by operation handle 6-2
Circle 4 makes it expand, and now, expands and forms good sealing between cushion rubber 4 and lining segment 7；Secondly carried out using double-shielded TBM
Rockfill grouting operation, the setting expanding cushion rubber 4 prevents the generation of slurries leakage phenomenon in rockfill grouting operation process；Backfill fills
After the completion of slurry operation, close ball valve 8 and keep in grouting adapter 1 pressure stability so that slurries slow solidification.
In same construction area, the method being used using this rockfill grouting piecing devices multiple simultaneously, can effectively improve
Operating efficiency.Connected by snap joint 9 between grouting adapter 1 and grout pipe 11, carry out the mistake of pressurize solidification in closing ball valve 8
Grouting adapter 1 quickly can be separated with grout pipe 11, and grout pipe 11 is connected to another this rockfill grouting joint by Cheng Zhong
On device, you can proceed rockfill grouting operation it is not necessary to stop work and wait grout cures.
The above, be only preferred embodiment of the present utility model, not the utility model imposed any restrictions, every
Any simple modification, change and equivalent structure change above example made according to the utility model technical spirit, all still
Belong in the protection domain of technical solutions of the utility model.
Claims (7)
1. a kind of construction of double-shielded TBM with rockfill grouting piecing devices it is characterised in that：Including the filling being connected with grout pipe (11)
Slurry adapter (1), described grouting adapter (1) is provided with valve and sealing mechanism, and described sealing mechanism includes being sleeved on grouting and connects
Pipe (1) is upper to be expanded cushion rubber (4) and is used for extruding the described pressing mechanism expanding cushion rubber (4).
2. according to a kind of double-shielded TBM construction described in claim 1 with rockfill grouting piecing devices it is characterised in that：Described
It is connected by snap joint (9) between grouting adapter (1) and grout pipe (11).
3. according to a kind of double-shielded TBM construction described in claim 1 with rockfill grouting piecing devices it is characterised in that：Described
Pressing mechanism includes the thread bush (6-1) being sleeved in grouting adapter (1) and the handle (6-2) being arranged on thread bush (6-1).
4. according to a kind of double-shielded TBM construction described in claim 3 with rockfill grouting piecing devices it is characterised in that：Described
It is provided with sleeve pipe (5) between thread bush (6-1) and expansion cushion rubber (4).
5. according to a kind of double-shielded TBM construction described in claim 1 with rockfill grouting piecing devices it is characterised in that：Described
It is provided with for limiting the spacing ring (2) expanding cushion rubber (4) axial location in grouting adapter (1).
6. according to a kind of double-shielded TBM construction described in claim 1 with rockfill grouting piecing devices it is characterised in that：Described
Grouting adapter (1) is steel pipe.
7. according to a kind of double-shielded TBM construction described in claim 1 with rockfill grouting piecing devices it is characterised in that：Described
Valve is ball valve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620908709.6U CN205938279U (en) | 2016-08-19 | 2016-08-19 | Backfill grouting piecing devices are used in construction of two shield TBM |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620908709.6U CN205938279U (en) | 2016-08-19 | 2016-08-19 | Backfill grouting piecing devices are used in construction of two shield TBM |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205938279U true CN205938279U (en) | 2017-02-08 |
Family
ID=57947279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620908709.6U Active CN205938279U (en) | 2016-08-19 | 2016-08-19 | Backfill grouting piecing devices are used in construction of two shield TBM |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205938279U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108342969A (en) * | 2018-04-26 | 2018-07-31 | 上海公路桥梁（集团）有限公司 | Slip casting nozzle and pitch grouting equipment comprising it |
| CN109457999A (en) * | 2019-01-08 | 2019-03-12 | 重庆市十八土鑫诚灌浆防水工程有限公司 | A kind of grouting plug |
-
2016
- 2016-08-19 CN CN201620908709.6U patent/CN205938279U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108342969A (en) * | 2018-04-26 | 2018-07-31 | 上海公路桥梁（集团）有限公司 | Slip casting nozzle and pitch grouting equipment comprising it |
| CN109457999A (en) * | 2019-01-08 | 2019-03-12 | 重庆市十八土鑫诚灌浆防水工程有限公司 | A kind of grouting plug |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |