CN112065453A - Rotatable directional grouting pipe for cavity at back of shield segment - Google Patents
Rotatable directional grouting pipe for cavity at back of shield segment Download PDFInfo
- Publication number
- CN112065453A CN112065453A CN202010976593.0A CN202010976593A CN112065453A CN 112065453 A CN112065453 A CN 112065453A CN 202010976593 A CN202010976593 A CN 202010976593A CN 112065453 A CN112065453 A CN 112065453A
- Authority
- CN
- China
- Prior art keywords
- grouting
- grouting pipe
- pipe
- hose
- shaped device
- 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.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 238000007569 slipcasting Methods 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- 239000000835 fiber Substances 0.000 claims description 7
- 230000008602 contraction Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 239000011800 void material Substances 0.000 description 24
- 239000011440 grout Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a rotatable directional grouting pipe for a cavity at the back of a shield segment, which comprises: the fixed section is internally provided with a fixed plate and an internal grouting pipe; the pushing rotating section comprises a grouting area grouting pipe and a grouting pipe guiding special-shaped device, and the inner end part of the grouting area grouting pipe is connected with the outer end part of the grouting pipe guiding special-shaped device; the hose connecting section is connected with the fixed section and the pushing rotating section and comprises an outer sleeve connecting telescopic hose, and two ends of the outer sleeve connecting telescopic hose are respectively connected with the fixed section shell and the grouting pipe guiding special-shaped device; the special-shaped device comprises a fixed section, a hose connecting section and a cylinder pushing mechanism, wherein the cylinder pushing mechanism is arranged inside the fixed section and the hose connecting section and can drive the grouting pipe to guide the special-shaped device to rotate around a special-shaped device movable shaft and drive the grouting pipe in a grouting area to rotate. The rotatable directional grouting pipe for the back cavity of the shield segment can better solve the problem of incompact grouting effect in the grouting operation process of the existing grouting pipe.
Description
Technical Field
The invention relates to the technical field of subway tunnel construction, in particular to a rotatable directional grouting pipe for a cavity at the back of a shield segment.
Background
At present, the conventional shield segment back cavity treatment measures are that the back cavity position is determined through a detection means, then a grouting pipe is stretched into a void position through drilling, and grouting is performed to fill and compact construction in the void region. At present, the conventional grouting machine mainly adopts a grouting straight pipe. The end part of a conventional steel pipe is made into a cone, a grouting hole is formed in the pipe wall, and the rear part of the conventional steel pipe is connected with a grouting machine. However, the prior art has the following defects:
1. the structure and the easy operation of prior art's slip casting pipe, but the slip casting effect is difficult to guarantee, and the slip casting pipe stretches into the void region through drilling, and the thick liquid pours into through the hole of predetermineeing of slip casting pipe wall, and the thick liquid volume that the slip casting pipe week was poured and the effect of pouring is the same completely, and the actual section of jurisdiction is the void region behind one's back and is discontinuous and even. When the pressure of a grouting area with better compactness at one side meets the grouting pressure requirement, the grouting work is considered to be finished according to experience, the back of the shield lining is compact, but the grouting area with poorer compactness at the other side possibly does not meet the compactness requirement. The grouting effect of the actual engineering is difficult to guarantee by the grouting straight pipe, and the situation that the back of the uneven lining is not compact is very common in the actual engineering, so that the grouting effect is difficult to guarantee by the existing grouting measures.
2. When the shield segment back void area is located the lateral wall, the thick liquid pours into the void area through the slip casting pipe, because the slip casting pipe is straight, therefore the thick liquid flows to the void area of slip casting pipe lower part under the effect of gravity, and the void area that is located slip casting pipe upper portion then needs to rise the packing after the completion of filling in lower portion void area, and the thick liquid rises the packing gradually, but because the thick liquid increases along with the intensity of time, produce intensity behind the cover slip casting pipe, when pressure reached slip casting pressure requirement, think slip casting work completion according to experience, in fact the portion void area is not filled closely knit completely.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a rotatable directional grouting pipe for a cavity at the back of a shield segment, which can solve the problems in the prior art.
In order to achieve the above object, the present invention provides a rotatable directional grouting pipe for a cavity at the back of a shield segment, comprising: the fixed section comprises a fixed section shell, a fixed plate and an internal grouting pipe are arranged in the fixed section shell, wherein the fixed plate is horizontally arranged, and the internal grouting pipe is fixedly arranged on the fixed plate; the pushing rotating section comprises a grouting area grouting pipe and a grouting pipe guiding special-shaped device, the inner end part of the grouting area grouting pipe is connected with the outer end part of the grouting pipe guiding special-shaped device, the outer end part of the grouting area grouting pipe is conical, and a plurality of grouting holes are formed in the pipe wall of the grouting area grouting pipe at intervals; the hose connecting section is connected with the fixed section and the pushing rotating section and comprises an outer sleeve connecting telescopic hose, and two ends of the outer sleeve connecting telescopic hose are respectively connected with the fixed section shell and the grouting pipe guiding special-shaped device; the special-shaped device comprises a fixed section, a hose connecting section and a cylinder pushing mechanism, wherein the cylinder pushing mechanism is arranged inside the fixed section and the hose connecting section and can drive the grouting pipe to guide the special-shaped device to rotate around a special-shaped device movable shaft and drive the grouting pipe in a grouting area to rotate.
In a preferred embodiment, the inner end part of the grouting pipe guide profile device is of an arc-shaped structure, and the arc-shaped structure extends into the outer sleeve connecting flexible hose and is in contact with the inner pipe wall of the outer sleeve connecting flexible hose.
In a preferred embodiment, the outer casing steel pipe of the fixed section shell has a diameter larger than that of the inner grouting pipe, one end of the fixing plate extends into the hose connecting section along the length direction, and two sides of the fixing plate are fixedly connected with the inner wall of the outer casing steel pipe.
In a preferred embodiment, the cylinder pushing mechanism includes: the cylinder is fixedly arranged on a fixed plate in the outer sleeve steel pipe through a cylinder fixed shaft, and a gap is reserved between the cylinder and the inner grouting pipe; the pushing shaft is connected with the air cylinder at one end and connected with the inner end part of the grouting pipe guiding special-shaped device at the other end, and the pushing shaft is pushed or pulled to ascend or descend by the output power of the air cylinder so as to push or pull the grouting pipe guiding special-shaped device to rotate around the special-shaped device movable shaft; when the pushing shaft is in a complete contraction state, an included angle between the grouting area grouting pipe and the inner grouting pipe is 0 degree, and when the pushing shaft is in a complete extension state, an included angle between the grouting area grouting pipe and the inner grouting pipe is 90 degrees.
In a preferred embodiment, the rotatable directional grouting pipe in the cavity behind the shield segment further comprises a guide plate pushing control system, the guide plate pushing control system is connected with the cylinder, and the rotation angle of the grouting pipe guiding special-shaped device and the grouting area grouting pipe is controlled by controlling the rotation angle of the cylinder and the pushing shaft.
In a preferred embodiment, the grouting area grouting pipe is fixedly connected with the grouting pipe guiding special-shaped device through a first internal thread connecting mantle fiber, and the outer sleeved steel pipe is fixedly connected with the outer sleeved connecting telescopic hose through a second internal thread connecting mantle fiber.
In a preferred embodiment, a grouting hose is further arranged in the hose connecting section, one end of the grouting hose is connected with the inner grouting pipe, the other end of the grouting hose is connected with the grouting area grouting pipe, and the diameters of the grouting hose, the inner grouting pipe and the grouting area grouting pipe are consistent.
In a preferred embodiment, the inner grout tube is a steel tube and the diameter of the inner grout tube is less than one-half the diameter of the outer jacket steel tube.
In a preferred embodiment, the outer sleeve connecting flexible hose and the grouting hose are both steel hoses, and both the outer sleeve connecting flexible hose and the grouting hose can bend along with the rotation of the grouting pipe guiding special-shaped device.
In a preferred embodiment, the length of the grouting area grouting pipe is greater than the length of the inner grouting pipe.
Compared with the prior art, the rotatable directional grouting pipe for the back cavity of the shield segment has the following beneficial effects: the invention can better solve the problem of incompact grouting effect in the grouting operation process of the existing grouting pipe by arranging the fixed section, the hose connecting section and the pushing rotary section and arranging the air cylinder pushing mechanism, the grouting pipe is pushed and rotated to the void area at a higher position no matter the void area is positioned at the vault or the side wall, slurry flows and is filled to the void area at a lower position under the action of gravity and pressure in the grouting construction process, the slurry page is gradually lifted to the position of the grouting pipe along with the filling of the void area, namely the higher position of the void area, and when the pressure of the grouting pipe meets the grouting pressure requirement, the filling in the void area is finished, and the grouting filling effect of the void can be better ensured.
Drawings
Fig. 1 is a schematic structural view of a rotatable directional grouting pipe for a cavity at the back of a shield segment when a pushing shaft of a preferred embodiment of the invention is in a fully contracted state.
Fig. 2 is a schematic structural view of a rotatable directional grouting pipe for a cavity at the back of a shield segment when a pushing shaft of the preferred embodiment of the invention is in a fully extended state.
Fig. 3 is a sectional view taken along a-a of fig. 1.
Fig. 4 is a sectional view taken along the direction B-B of fig. 1.
Fig. 5 is a schematic diagram of the rotatable directional grouting pipe structure for the back cavity of the shield segment according to the preferred embodiment of the invention.
Fig. 6 is a schematic diagram of a shield segment back cavity rotatable directional grouting pipe structure after grouting is completed according to the preferred embodiment of the invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
As shown in fig. 1 to 4, the rotatable directional grouting pipe for the back cavity of the shield segment according to a preferred embodiment of the present invention comprises: a fixed section 101, a hose connecting section 102 and an ejection rotating section 103. The fixed segment 101 includes a fixed segment casing 1, and a fixed plate 11 and an inner grouting pipe 12 are provided in the fixed segment casing 1, wherein the fixed plate 11 is horizontally disposed, and the inner grouting pipe 12 is fixedly disposed on the fixed plate 11. The pushing rotating section 103 comprises a grouting area grouting pipe 31 and a grouting pipe guiding special-shaped device 32, the inner end part of the grouting area grouting pipe 31 is connected with the outer end part of the grouting pipe guiding special-shaped device 32, the outer end part of the grouting area grouting pipe 31 is conical, and a plurality of grouting holes 311 are formed in the pipe wall of the grouting area grouting pipe 31 at intervals. The hose connecting section 102 is connected with the fixed section 101 and the pushing rotating section 103, the hose connecting section 102 comprises an outer sleeve connecting telescopic hose 2, and two ends of the outer sleeve connecting telescopic hose 2 are respectively connected with the fixed section shell 1 and the grouting pipe guiding special-shaped device 32. Wherein, the fixed section 101 and the hose connection section 102 are internally provided with a cylinder pushing mechanism which can drive the grouting pipe to guide the special-shaped device 32 to rotate around the special-shaped device movable shaft 33 and drive the grouting pipe 31 in the grouting area to rotate. The guiding special-shaped device 32 has the functions of rotating guiding and casing protection of the grouting area grouting pipe 31.
In a preferred embodiment, the inner end 321 of the slip casting pipe guide profile 32 has an arc-shaped configuration, which extends into the outer casing joint bellows 2 and contacts the inner pipe wall of the outer casing joint bellows 2.
In a preferred embodiment, the outer casing steel pipe of the fixed-section shell 1 has a diameter larger than that of the inner grouting pipe 12, one end of the fixed plate 11 extends into the hose connection section 102 along the length direction, and both sides of the fixed plate 11 are fixedly connected with the inner wall of the outer casing steel pipe.
In a preferred embodiment, the cylinder pushing mechanism includes: the cylinder 4 is fixedly arranged on a fixed plate 11 in the outer sleeve steel pipe through a cylinder fixed shaft 41, and a gap is reserved between the cylinder 4 and the inner grouting pipe 12. One end of the pushing shaft 5 is connected with the cylinder 4, the other end is connected with the inner end part of the grouting pipe guiding special-shaped device 32 through a connecting shaft 34, and the pushing shaft 5 is pushed or pulled to ascend or descend through the output power of the cylinder 4, so that the grouting pipe guiding special-shaped device 32 is pushed or pulled to rotate around a special-shaped device movable shaft 33. Wherein, when the pushing shaft 5 is in the complete contraction state, the angle between the grouting area grouting pipe 31 and the inner grouting pipe 12 is 0 °, as shown in fig. 1. When the pushing shaft 5 is in the fully extended state, the angle between the grouting area grouting pipe 31 and the inner grouting pipe 12 is 90 °, as shown in fig. 2. Therefore, the grouting pipe guiding special-shaped device 32 and the grouting pipe 31 in the grouting area rotate within the angle range of 0-90 degrees, so that the grouting pipe 31 in the grouting area can rotate at any specific angle within the range of 0-90 degrees to perform grouting operation within the hollow range. The material of the special-shaped device movable shaft 33 is lower in hardness and strength compared with other parts and is softer, so that the grouting pipe guide special-shaped device 32 can rotate around the position in the process of extending and retracting the pushing shaft 5.
In a preferred embodiment, the rotatable directional grouting pipe in the rear cavity of the shield segment further comprises a guide plate pushing control system 6 which is connected with the cylinder 4 and controls the rotation angle of the grouting pipe guiding special-shaped device 32 and the grouting area grouting pipe 31 by controlling the rotation angle of the cylinder 4 and the pushing shaft 5.
In a preferred embodiment, the grouting area grouting pipe 31 is fixedly connected with the grouting pipe guiding special-shaped device 32 through a first internal thread connecting mantle fiber 312, the jacket steel pipe is fixedly connected with the jacket connecting flexible hose 2 through a second internal thread connecting mantle fiber 211, and the grouting pipe guiding special-shaped device 32 is fixedly connected with the jacket connecting flexible hose 2 through a third internal thread connecting mantle fiber 212.
In a preferred embodiment, a grouting hose 21 is further disposed in the hose connection section 102, one end of the grouting hose 21 is connected to the inner grouting pipe 12, the other end is connected to the grouting area grouting pipe 31, and the diameters of the grouting hose 21, the inner grouting pipe 12 and the grouting area grouting pipe 31 are the same.
In a preferred embodiment, the inner grout tube 12 is a steel tube and the diameter of the inner grout tube 12 is less than one-half the diameter of the outer jacket steel tube.
In a preferred embodiment, the casing connection flexible hose 2 and the grouting hose 21 are both steel hoses, and both the casing connection flexible hose 2 and the grouting hose 21 can be bent along with the rotation of the grouting pipe guide profile 32.
In a preferred embodiment, the length of the grouting area grouting pipe 31 is greater than the length of the inner grouting pipe 12. Preferably, the length of the grouting area grouting pipe is approximately twice the length of the inner grouting pipe. And the length of the fixed segment 101 is approximately twice the length of the hose connection segment 102.
In a preferred embodiment, the diameter of the grouting area grouting pipe 31 and the inner grouting pipe 12 is 2cm, the diameter of the jacket-coupled flexible pipe 2 is 4.38cm, the length of the pushing shaft 5 in a fully contracted state (as shown in fig. 1) is 3.45cm, the length of the pushing shaft 5 in a fully extended state (as shown in fig. 2) is 7.71cm, and the rotation radius of the grouting pipe guide profile 32 is 3.46 cm.
As shown in fig. 5-6, the rotatable and directional grouting pipe 501 in the back cavity of the shield segment according to the present invention can better solve the problem of incompact grouting effect in the grouting process of the existing grouting pipe, no matter whether the void area 502 is located at the vault or the sidewall, the rotatable and directional grouting pipe 501 in the back cavity of the shield segment according to the present invention is pushed and rotated to the void area at a higher position, during the grouting construction, grout flows and fills the void area at a lower position under the action of gravity and pressure, and as the void area 502 is filled, the grout page gradually rises to the position of the grouting pipe, i.e. the higher position of the void area, and when the pressure of the grouting pipe meets the grouting pressure requirement, the filling in the void area is completed, so as to better ensure the grouting and filling effect of void.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a shield constructs rotatable directional slip casting pipe in section of jurisdiction back of the body cavity which characterized in that: the shield constructs section of jurisdiction back cavity rotatable directional slip casting pipe and includes:
the fixed section comprises a fixed section shell, a fixed plate and an internal grouting pipe are arranged in the fixed section shell, wherein the fixed plate is horizontally arranged, and the internal grouting pipe is fixedly arranged on the fixed plate;
the pushing rotating section comprises a grouting area grouting pipe and a grouting pipe guiding special-shaped device, the inner end part of the grouting area grouting pipe is connected with the outer end part of the grouting pipe guiding special-shaped device, the outer end part of the grouting area grouting pipe is conical, and a plurality of grouting holes are formed in the pipe wall of the grouting area grouting pipe at intervals;
the hose connecting section is connected with the fixed section and the pushing rotating section and comprises an outer sleeve connecting telescopic hose, and two ends of the outer sleeve connecting telescopic hose are respectively connected with the fixed section shell and the grouting pipe guiding special-shaped device;
the special-shaped grouting pipe comprises a fixed section, a hose connecting section and a cylinder pushing mechanism, wherein the cylinder pushing mechanism is arranged in the fixed section and the hose connecting section and can drive the grouting pipe to guide the special-shaped device to rotate around a special-shaped device movable shaft and drive the grouting pipe in a grouting area to rotate.
2. The shield segment back cavity rotatable directional grouting pipe of claim 1, characterized in that: the inner end part of the grouting pipe guiding special-shaped device is of an arc-shaped structure, and the arc-shaped structure extends into the outer sleeve connecting telescopic hose and is in contact with the inner pipe wall of the outer sleeve connecting telescopic hose.
3. The shield segment back cavity rotatable directional grouting pipe of claim 2, characterized in that: the outer sleeve steel pipe of the fixed section shell, the diameter of the outer sleeve steel pipe is larger than that of the inner grouting pipe, one end of the fixed plate extends into the hose connecting section along the length direction, and the two sides of the fixed plate are fixedly connected with the inner wall of the outer sleeve steel pipe.
4. The shield segment back cavity rotatable directional grouting pipe of claim 3, characterized in that: the cylinder top pushes away the mechanism and includes:
the cylinder is fixedly arranged on the fixed plate in the outer sleeve steel pipe through a cylinder fixed shaft, and a gap is reserved between the cylinder and the inner grouting pipe; and
the pushing shaft is connected with the cylinder at one end and connected with the inner end part of the grouting pipe guiding special-shaped device at the other end, and the pushing shaft is pushed or pulled to ascend or descend by the output power of the cylinder so as to push or pull the grouting pipe guiding special-shaped device to rotate around the special-shaped device movable shaft;
when the pushing shaft is in a complete contraction state, the included angle between the grouting area grouting pipe and the inner grouting pipe is 0 degree, and when the pushing shaft is in a complete extension state, the included angle between the grouting area grouting pipe and the inner grouting pipe is 90 degrees.
5. The shield segment back cavity rotatable directional grouting pipe of claim 4, characterized in that: the rotatable directional grouting pipe in the cavity behind the shield segment further comprises a guide plate pushing control system which is connected with the air cylinder, and the rotating angle of the grouting pipe guiding special-shaped device and the grouting area grouting pipe is controlled by controlling the rotating angle of the air cylinder and the pushing shaft.
6. The shield segment back cavity rotatable directional grouting pipe of claim 3, characterized in that: the grouting area grouting pipe is fixedly connected with the grouting pipe guiding special-shaped device through a first internal thread connecting mantle fiber, and the outer sleeve steel pipe is fixedly connected with the outer sleeve connecting telescopic hose through a second internal thread connecting mantle fiber.
7. The shield segment back cavity rotatable directional grouting pipe of claim 1, characterized in that: still be provided with the slip casting hose in the hose linkage segment, the one end of slip casting hose with inside slip casting pipe is connected, the other end with regional slip casting pipe of slip casting is connected, and the slip casting hose, inside slip casting pipe with the regional slip casting pipe's of slip casting diameter is unanimous.
8. The shield segment back cavity rotatable directional grouting pipe of claim 3, characterized in that: the inner grouting pipe is a steel pipe, and the diameter of the inner grouting pipe is smaller than half of that of the outer sleeve steel pipe.
9. The shield segment back cavity rotatable directional grouting pipe of claim 7, characterized in that: the outer sleeve connecting flexible hose and the grouting hose are both steel hoses, and both the outer sleeve connecting flexible hose and the grouting hose can bend along with the rotation of the grouting pipe guiding special-shaped device.
10. The shield segment back cavity rotatable directional grouting pipe of claim 1, characterized in that: the length of the grouting area grouting pipe is greater than that of the inner grouting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010976593.0A CN112065453B (en) | 2020-09-16 | 2020-09-16 | Rotatable directional grouting pipe for cavity at back of shield segment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010976593.0A CN112065453B (en) | 2020-09-16 | 2020-09-16 | Rotatable directional grouting pipe for cavity at back of shield segment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112065453A true CN112065453A (en) | 2020-12-11 |
| CN112065453B CN112065453B (en) | 2022-08-16 |
Family
ID=73696937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010976593.0A Active CN112065453B (en) | 2020-09-16 | 2020-09-16 | Rotatable directional grouting pipe for cavity at back of shield segment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112065453B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2466348Y (en) * | 2001-01-17 | 2001-12-19 | 铁道部隧道工程局科学研究所 | Small bore rigid external valve one-way type sublevel grouting device |
| CN205955753U (en) * | 2016-08-27 | 2017-02-15 | 中铁二十局集团西安工程机械有限公司 | Lining cutting platform truck concrete fills diverging device |
| JP6261684B1 (en) * | 2016-08-19 | 2018-01-17 | 株式会社タック | Backfill material injection device |
| CN108868822A (en) * | 2018-06-29 | 2018-11-23 | 平顶山平煤机煤矿机械装备有限公司 | The intelligent slip casting aperture apparatus of tunnel lining trolley |
| CN209293805U (en) * | 2018-11-23 | 2019-08-23 | 中铁十七局集团第一工程有限公司 | The quick slip casting flood pattern of full tunnel modular universal type |
| CN110541713A (en) * | 2019-09-30 | 2019-12-06 | 中交天和机械设备制造有限公司 | TBM presses and annotates formula concrete grouting pipeline |
| CN210239668U (en) * | 2019-08-07 | 2020-04-03 | 中国建筑一局(集团)有限公司 | Shield constructs quick-witted synchronous slip casting single double fluid thick liquid free switching system |
| CN210482277U (en) * | 2019-07-23 | 2020-05-08 | 山东大学 | Rotary grouting reinforcement device |
| CN211446931U (en) * | 2019-11-05 | 2020-09-08 | 中建一局集团第三建筑有限公司 | Grouting pipe structure of post-grouting bored pile in desert area |
| CN212958659U (en) * | 2020-09-16 | 2021-04-13 | 北京市政路桥科技发展有限公司 | Rotary grouting pipe capable of improving grouting filling effect of shield segment void area |
-
2020
- 2020-09-16 CN CN202010976593.0A patent/CN112065453B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2466348Y (en) * | 2001-01-17 | 2001-12-19 | 铁道部隧道工程局科学研究所 | Small bore rigid external valve one-way type sublevel grouting device |
| JP6261684B1 (en) * | 2016-08-19 | 2018-01-17 | 株式会社タック | Backfill material injection device |
| CN205955753U (en) * | 2016-08-27 | 2017-02-15 | 中铁二十局集团西安工程机械有限公司 | Lining cutting platform truck concrete fills diverging device |
| CN108868822A (en) * | 2018-06-29 | 2018-11-23 | 平顶山平煤机煤矿机械装备有限公司 | The intelligent slip casting aperture apparatus of tunnel lining trolley |
| CN209293805U (en) * | 2018-11-23 | 2019-08-23 | 中铁十七局集团第一工程有限公司 | The quick slip casting flood pattern of full tunnel modular universal type |
| CN210482277U (en) * | 2019-07-23 | 2020-05-08 | 山东大学 | Rotary grouting reinforcement device |
| CN210239668U (en) * | 2019-08-07 | 2020-04-03 | 中国建筑一局(集团)有限公司 | Shield constructs quick-witted synchronous slip casting single double fluid thick liquid free switching system |
| CN110541713A (en) * | 2019-09-30 | 2019-12-06 | 中交天和机械设备制造有限公司 | TBM presses and annotates formula concrete grouting pipeline |
| CN211446931U (en) * | 2019-11-05 | 2020-09-08 | 中建一局集团第三建筑有限公司 | Grouting pipe structure of post-grouting bored pile in desert area |
| CN212958659U (en) * | 2020-09-16 | 2021-04-13 | 北京市政路桥科技发展有限公司 | Rotary grouting pipe capable of improving grouting filling effect of shield segment void area |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112065453B (en) | 2022-08-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209277160U (en) | A kind of inflatable stop grouting plug for sleeve valve barrel grouting | |
| CN212958659U (en) | Rotary grouting pipe capable of improving grouting filling effect of shield segment void area | |
| CN112065453B (en) | Rotatable directional grouting pipe for cavity at back of shield segment | |
| CN206346205U (en) | A kind of sawtooth anchor formula miniature steel pipe concrete-pile for slope treatment | |
| CN106192996A (en) | The construction method of a kind of T-shaped stake and the T-shaped drilling tool of T-shaped cast pile driving construction | |
| CN210315560U (en) | Slip casting pipe is used in hydraulic engineering construction | |
| CN110005421A (en) | Sandy soil layer shield driven Metro tunnel originates portal sealing device and encapsulating method | |
| CN206143759U (en) | It becomes stake device to mix bored concrete pile | |
| CN201851001U (en) | Drilling machine for constructing piles with high bearing capacity | |
| CN210152695U (en) | Novel anchor rod shell expansion head and anchor rod adopting same | |
| CN205116154U (en) | Steel pipe concrete pile is strutted to side slope | |
| CN104452748B (en) | Filling type reinforcing self tapping stake and preparation method thereof | |
| CN113446039A (en) | Grouting type variable cross-section anchor pipe and soft rock tunnel surrounding rock grouting reinforcement construction method | |
| CN204085433U (en) | Tunnel vault rock deformation measurement device | |
| CN202954851U (en) | Decompression and drainage device of wall | |
| CN208456109U (en) | A kind of bend pipe concrete slip-form pulls round device | |
| CN208040424U (en) | A kind of anchor structure | |
| CN207538033U (en) | A kind of gib anchor pole | |
| CN102777190B (en) | Opening structure of tunnel of shield method | |
| CN210163938U (en) | Supporting pipe fitting for underground construction | |
| CN110701383A (en) | Damping device is used in construction of sand ground push pipe | |
| CN102561341B (en) | Dry-soil-removed reinforced concrete screw pile forming device and method | |
| CN206591522U (en) | A kind of double formula mini-valve tube of grouting | |
| CN212986288U (en) | Orifice pipe fixing structure | |
| CN205917691U (en) | Novel screw thread bored concrete pile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |