CN109630133A - A kind of push-bench exempts to dismount pipeline system and its construction method - Google Patents
A kind of push-bench exempts to dismount pipeline system and its construction method Download PDFInfo
- Publication number
- CN109630133A CN109630133A CN201811638532.2A CN201811638532A CN109630133A CN 109630133 A CN109630133 A CN 109630133A CN 201811638532 A CN201811638532 A CN 201811638532A CN 109630133 A CN109630133 A CN 109630133A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- shield body
- metallic channel
- tube coupling
- push
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/02—Suspension devices for tubes or the like, e.g. for ventilating ducts
Abstract
Exempt to dismount pipeline system and its construction method the invention discloses a kind of push-bench, solves the problems, such as that push-bench construction in the prior art needs frequently dismounting pipeline, construction efficiency low.The present invention includes shield body, tube coupling and thrustor, thrustor pushes tube coupling and shield body to travel forward, it further include pipeline taking-up/taking-offdevice device and guiding device, pipeline is wound in pipeline taking-up/taking-offdevice device, the lateral wall of shield body is equipped with shield body metallic channel, the lateral wall of tube coupling is equipped with tube coupling metallic channel, and pipeline passes through guiding device and puts in inside shield body through tube coupling metallic channel, shield body metallic channel, is equipped with sealing element in shield body metallic channel and tube coupling metallic channel.Compared to present construction by pipeline jacking method, the present invention can be continuously constructed in jack-in process without removing pipeline, shortened the construction period, working efficiency is improved, there is very big engineering advantage, and exempts to dismount pipeline system and its construction method by push-bench, cost is saved, construction safety coefficient is improved.
Description
Technical field
The present invention relates to technical field of tunnel construction, particularly relates to a kind of push-bench and exempt to dismount pipeline system and its construction party
Method.
Background technique
Pipe-jacking technology is in the case where not excavating earth surface, using hydraulic cylinder from upper pipe working well by push-bench and wait spread
If tube coupling in underground jacking section by section, until the construction technology that the non-excavating underground pipe line of push pipe received well is laid with.Push-bench with
The features such as its excavation construction process is simple, cavitation rate is high, environmental protection, gradually becomes " new lover " of Urban Underground Space Excavation, compares
In traditional cut and cover method, have it is not breaking, do not disturb residents, the significant social benefit for existing pipeline of not removing, adapt to shallow earthing, narrow sky
Between lower construction, there is apparent technical advantage, in Municipal pipeline, subway station entrance, city tunnel, underground city
Pipe gallery, underground parking, underground commercial center, civil air defense constructions and installations etc. have wide application space and market prospects.
It needs to provide electric power, sediment improvement agent, antifriction mud etc. for host and section of jurisdiction in push-bench work progress, be different from normal
Shield machine is advised, the push-bench of development and production both at home and abroad, the above pipeline transfer tube coupling Shi Douxu every time and dismantle at present, pass through new tube coupling
After reconnect, and then restore construction, this frequent dismounting pipeline significantly impacts push-bench construction efficiency, while every time
Dismounting pipeline can all cause slurries to be lost, and pollute tunnel construction environment, and frequently dismounting cable risk is higher, this construction
Mode has become the technology short slab for restricting all push-bench development.
Summary of the invention
For the deficiency in above-mentioned background technique, the present invention proposes that a kind of push-bench exempts to dismount pipeline system and its construction party
Method solves the problems, such as that push-bench construction in the prior art needs frequently dismounting pipeline, construction efficiency low.
The technical scheme of the present invention is realized as follows: a kind of push-bench exempt from dismount pipeline system, including shield body, tube coupling and
Thrustor, thrustor push tube coupling and shield body to travel forward, and further include pipeline taking-up/taking-offdevice device and guiding device, pipeline folding and unfolding
Pipeline is wound on device, the lateral wall of shield body is equipped with shield body metallic channel, and the lateral wall of tube coupling is equipped with tube coupling metallic channel, pipe
Line passes through guiding device and puts in inside shield body through tube coupling metallic channel, shield body metallic channel, in shield body metallic channel and tube coupling metallic channel
Equipped with sealing element.
The guiding device includes support frame, and support frame is equipped with roller support, and roller support is equipped with arranged in rows
Several roller assemblies.
Each roller assembly includes at least three rollers, roller head and the tail connection composition closing frame.
The shield body metallic channel and tube coupling metallic channel are trapezoidal groove, and shield body metallic channel and tube coupling metallic channel are corresponding,
Pipe joint is equipped in shield body metallic channel, pipeline is put in inside shield body by pipe joint.
The sealing element includes the elastic packing sealing collar being arranged between shield body and tube coupling and is separately positioned on shield body and leads
It is symmetrically arranged with cover plate for sealing item in conducting wire tank cover plate in wire casing and tube coupling metallic channel, shield body metallic channel and tube coupling metallic channel,
Conducting wire tank cover plate and the sealing of cover plate for sealing item cooperate.
Lower seal rubber block and upper seal rubber block, lower sealing rubber are equipped in the shield body metallic channel and tube coupling metallic channel
Half slot is equipped on blob of viscose and upper seal rubber block, lower seal rubber block is matched with upper seal rubber block.
The thrustor includes main ceiling hold, and main ceiling hold is equipped with several main top oil cylinders, one end of main top oil cylinder
It is connected with main ceiling hold, the other end is equipped with top iron.
The pipeline taking-up/taking-offdevice device includes that the rear line holder on wall is arranged in, and rotation is equipped with pipeline and rolls on line holder
Tin, pipeline is wound on pipeline roller.
A kind of push-bench exempts from the construction method of dismounting pipeline system, includes the following steps: S1: passing through in shield body metallic channel
Binder pastes cover plate for sealing item and lower seal rubber block, installs pipe joint in shield body metallic channel；
S2: pasting cover plate for sealing item and lower seal rubber block by binder in tube coupling metallic channel, and elasticity is pasted on tube coupling
Tube coupling is hoisted to the rear of shield body by hermetic seal circle；
S3: pipeline is laid in tube coupling metallic channel and in shield body metallic channel, and pipeline is mounted in shield body by pipe joint, and with
Pipeline or integrated valve group on the inside of shield body are connected；
S4: upper seal rubber block and conducting wire are pasted in the tube coupling metallic channel for being equipped with pipeline of step S3 and in shield body metallic channel
Tank cover plate, by pipeline be fixed in tube coupling metallic channel and shield body metallic channel in；
S5: thrustor starts to promote, and main top oil cylinder pushes tube coupling to move forward by top iron, pipeline taking-up/taking-offdevice device rotation, with
Certain speed puts pipeline, completes the jacking of the first endless tube section；
S6: the first endless tube section jacking terminates, and the second endless tube section of lifting is gone into the well, and repeats step S2 ~ S5, until completing all tube couplings
Jacking.
The invention has the advantages that the present invention can be applied continuously in jack-in process compared to present construction by pipeline jacking method
Work greatly shortens the duration, improves work efficiency without removing pipeline, has very big engineering advantage, and pass through push pipe
Machine exempts to dismount pipeline system and its construction method, saves cost, can avoid the power-off occurred in disassembly process harm, eliminates safety
Hidden danger improves construction operation environment, avoids cement in tunnel, dust, dirt in addition, exempting to dismount the avoidable mud of pipeline, water leakage
The pollution such as water, while improving construction safety coefficient, it is ensured that safety work.
Detailed description of the invention
In order to illustrate the embodiments of the present invention more clearly, attached drawing needed in describing below to embodiment makees letter
Singly introduce, it should be apparent that, drawings in the following description are only some embodiments of the invention, skill common for this field
For art personnel, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is overall structure of the present invention.
Fig. 2 is tunnel segment structure axis of the present invention side schematic diagram.
Fig. 3 is tunnel segment structure schematic front view of the present invention.
Fig. 4 is shield body structural schematic diagram of the present invention.
Fig. 5 is shield body of the present invention and tube coupling Hermetical connecting structure schematic diagram.
Fig. 6 is pipeline guiding device structural schematic diagram of the present invention.
Fig. 7 is roller support structural schematic diagram of the present invention.
Fig. 8 is upper seal rubber block and lower seal rubber block structure schematic diagram.
Fig. 9 is tube coupling metallic channel cross-sectional structure schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1, as shown in Fig. 1 ~ 3, a kind of push-bench exempts to dismount pipeline system, including shield body 40, tube coupling 402, pushing tow
Device 60, pipeline taking-up/taking-offdevice device 20 and guiding device 30, thrustor 60 push tube coupling 402 and shield body 40 to travel forward, pipeline
It is wound with pipeline 201 on draw off gear 20, pipeline taking-up/taking-offdevice device 20 is for the folding and unfolding to pipeline 201, on the lateral wall of shield body 40
Equipped with shield body metallic channel 401, the lateral wall of tube coupling 402 is equipped with tube coupling metallic channel 403, tube coupling metallic channel 403 and shield body conducting wire
Slot 401 is connected, and pipeline 201 passes through guiding device 30 and puts in inside shield body 40 through tube coupling metallic channel 403, shield body metallic channel 401,
Guiding device 30 is directed into tube coupling metallic channel 403 for pipeline, prevents pipeline from knotting.Shield body metallic channel 401 and tube coupling conducting wire
Sealing element 50 is equipped in slot 403, sealing element 50 is respectively provided at the both ends of shield body metallic channel 401 and tube coupling metallic channel 403, prevents
The liquid such as water, mud enter in shield body or tube coupling.
Further, as shown in Fig. 6 ~ 7, the guiding device 30 includes support frame 301, and support frame 301 is equipped with roller branch
Frame 302, roller support 302 are equipped with the roller assembly 303 being vertically arranged in column.Each roller assembly includes at least three rollings
Column, roller head and the tail connection composition closing frame.Each roller assembly may include four rollers, and four rollers form in parallel two-by-two
Hollow, pipeline pass through the roller assembly of hollow, prevent pipeline from occurring knotting during folding and unfolding or twist.
Further, the shield body metallic channel 401 and tube coupling metallic channel 403 are trapezoidal groove, and bottom groove width is less than outside
Groove width.Shield body metallic channel 401 and tube coupling metallic channel 403 are corresponding, and the two is in the same plane, in shield body metallic channel 401
It is fixed with pipe joint 404, pipeline 201 is put in inside shield body 40 by pipe joint 404.Spiral shell can be used in pipe joint 404
Line connector or waterproof connector are smoothly put in inside shield body for the fixation of pipeline convenient for pipeline, it is ensured that its stability.
Embodiment 2, as shown in Fig. 4 ~ 5, a kind of push-bench exempts to dismount pipeline system, and the sealing element 50 includes being arranged in shield
Elastic packing sealing collar 501 between body 40 and tube coupling 402 plays waterproof action, shield body metallic channel 401 and pipe for sealing
It saves and is equipped with conducting wire tank cover plate 504 in metallic channel 403, it is symmetrical above and below in shield body metallic channel 401 and tube coupling metallic channel 403 to be equipped with
Cover plate for sealing item 505, conducting wire tank cover plate 504 and the sealing of cover plate for sealing item 505 cooperate.Conducting wire tank cover plate 504 is viscous by bonding agent
It is attached to the outer rim of tube coupling metallic channel 403 and shield body metallic channel 401, for sealing real tube coupling metallic channel 403 and shield body metallic channel 401.
Further, as shown in Fig. 8 ~ 9, lower seal rubber is equipped in the shield body metallic channel 401 and tube coupling metallic channel 403
Block 502 and upper seal rubber block 503 are equipped with half slot, lower sealing on lower seal rubber block 502 and upper seal rubber block 503
Rubber block 502 is matched with upper seal rubber block 503, and half slot forms circular trough, for positioning and fixed pipelines.Lower sealing rubber
Blob of viscose 502 is pasted onto metallic channel by binder, and pipeline is located in half slot, and then lid closes seal rubber block 503, is used in combination
Binder is connect with lower seal rubber block.
Further, the thrustor 60 includes main ceiling hold 603, and main ceiling hold 603 is equipped with several main top oil cylinders
601, one end of main top oil cylinder 601 is connected with main ceiling hold 603, the other end is equipped with top iron 602, and main top oil cylinder 601 stretches out band
Dynamic top iron 602 pushes tube coupling to travel forward.Pipeline taking-up/taking-offdevice device 20 includes that the rear line holder 203 on wall 10, pipe is arranged in
Rotation is equipped with pipeline roller 202 on line bracket 203, is wound with pipeline 201 on pipeline roller 202, real by the rotation of pipeline roller
Now to the folding and unfolding of pipeline.
Other structures are same as Example 1.
Embodiment 3, a kind of push-bench exempt to dismount pipeline system, and a kind of push-bench exempts to dismount the construction method of pipeline system,
Include the following steps: S1: cover plate for sealing item 505 and lower seal rubber block being pasted by binder in shield body metallic channel 401
503, pipe joint 404 is installed in shield body metallic channel 401；Pipe joint 404 is welded in shield body 40, trapezoidal recessed for shield body
401 gut line 201 of slot is fixed with shield machine shield body 40, prevents from falling off；
S2: cover plate for sealing item 505 and lower seal rubber block 503 are pasted by binder in tube coupling metallic channel 403, in tube coupling
Elastic packing sealing collar 501 is pasted on 402, this step can be implemented after tube coupling 402 is pre-formed, i.e., this work is completed before lifting
Then tube coupling 402 is hoisted to the rear of shield body 40 by sequence；
S3: pipeline 201 is laid in tube coupling metallic channel 403 and in shield body metallic channel 401, and pipeline 201 is pacified by pipe joint 404
It is connected in shield body 40, and with the pipeline of 40 inside of shield body or integrated valve group；
S4: it is pasted in the tube coupling metallic channel 403 for being equipped with pipeline 201 of step S3 and in shield body metallic channel 401 and seals rubber
Blob of viscose 502 and conducting wire tank cover plate 504, by pipeline 201 be fixed in tube coupling metallic channel 403 and shield body metallic channel 401 in；
S5: thrustor 60 starts to promote, and main top oil cylinder 601 pushes tube coupling 402 to move forward by top iron 602, at this point, pipeline
Draw off gear 20 rotates, and puts pipeline 201 with certain speed, the payingoff speed of pipeline and the fltting speed of tube coupling are identical, with complete
At the jacking of the first endless tube section；
S6: the first endless tube section jacking terminates, and the second endless tube section of lifting is gone into the well, and repeats step S2 ~ S5, until completing all tube couplings
Jacking.
Other structures are same as Example 2.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of push-bench exempts to dismount pipeline system, including shield body (40), tube coupling (402) and thrustor (60), thrustor
(60) tube coupling (402) and shield body (40) are pushed to travel forward, it is characterised in that: to further include pipeline taking-up/taking-offdevice device (20) and guiding dress
It sets (30), is wound in pipeline taking-up/taking-offdevice device (20) pipeline (201), the lateral wall of shield body (40) is equipped with shield body metallic channel
(401), the lateral wall of tube coupling (402) is equipped with tube coupling metallic channel (403), and pipeline (201) passes through guiding device (30) through tube coupling
Metallic channel (403), shield body metallic channel (401) put in shield body (40) inside, shield body metallic channel (401) and tube coupling metallic channel (403)
In be equipped with sealing element (50).
2. push-bench according to claim 1 exempts to dismount pipeline system, it is characterised in that: the guiding device (30) includes
Support frame (301), support frame (301) are equipped with roller support (302), and roller support (302) is equipped with arranged in rows several
A roller assembly (303).
3. push-bench according to claim 2 exempts to dismount pipeline system, it is characterised in that: each roller assembly includes at least
Three rollers, roller head and the tail connection composition closing frame.
4. push-bench according to claim 1-3 exempts to dismount pipeline system, it is characterised in that: the shield body conducting wire
Slot (401) and tube coupling metallic channel (403) are trapezoidal groove, and shield body metallic channel (401) and tube coupling metallic channel (403) are corresponding,
Pipe joint (404) are equipped in shield body metallic channel (401), pipeline (201) is put in shield body (40) by pipe joint (404)
Portion.
5. push-bench according to claim 4 exempts to dismount pipeline system, it is characterised in that: the sealing element (50) includes setting
Set the elastic packing sealing collar (501) between shield body (40) and tube coupling (402) and be separately positioned on shield body metallic channel (401) and
It is symmetrically set in conducting wire tank cover plate (504) in tube coupling metallic channel (403), shield body metallic channel (401) and tube coupling metallic channel (403)
Have cover plate for sealing item (505), conducting wire tank cover plate (504) and cover plate for sealing item (505) sealing cooperate.
6. push-bench according to claim 5 exempts to dismount pipeline system, it is characterised in that: the shield body metallic channel (401)
With tube coupling metallic channel (403) in be equipped with lower seal rubber block (502) and upper seal rubber block (503), lower seal rubber block
(502) and on upper seal rubber block (503) half slot, lower seal rubber block (502) and upper seal rubber block (503) phase are equipped with
Cooperation.
7. push-bench described according to claim 1 or 5 or 6 exempts to dismount pipeline system, it is characterised in that: the thrustor
It (60) include main ceiling hold (603), main ceiling hold (603) is equipped with several main top oil cylinders (601), main top oil cylinder (601)
One end is connected with main ceiling hold (603), the other end is equipped with top iron (602).
8. push-bench according to claim 7 exempts to dismount pipeline system, it is characterised in that: the pipeline taking-up/taking-offdevice device (20)
Pipeline roller (202) are equipped with including the rotation on the rear line holder (203) on wall (10), line holder (203) is arranged, pipe
Pipeline (201) are wound on line roller (202).
9. a kind of push-bench as described in claim 1 exempts to dismount the construction method of pipeline system, it is characterised in that: including as follows
Step: S1: pasting cover plate for sealing item (505) and lower seal rubber block (503) by binder in shield body metallic channel (401),
Pipe joint (404) are installed in shield body metallic channel (401)；
S2: pasting cover plate for sealing item (505) and lower seal rubber block (503) by binder in tube coupling metallic channel (403),
Elastic packing sealing collar (501) are pasted on tube coupling (402), tube coupling (402) is hoisted to the rear of shield body (40)；
S3: pipeline (201) is laid in tube coupling metallic channel (403) and in shield body metallic channel (401), and pipeline (201) passes through pipeline
Connector (404) is mounted on shield body (40), and on the inside of shield body (40) pipeline or integrated valve group be connected；
S4: it is pasted in the tube coupling metallic channel (403) for being equipped with pipeline (201) of step S3 and in shield body metallic channel (401)
Pipeline (201) is fixed in tube coupling metallic channel (403) and shield body conducting wire by seal rubber block (502) and conducting wire tank cover plate (504)
In slot (401)；
S5: thrustor (60) starts to promote, and main top oil cylinder (601) pushes tube coupling (402) to move forward by top iron (602),
Pipeline taking-up/taking-offdevice device (20) rotation, is put pipeline (201) with certain speed, completes the jacking of the first endless tube section；
S6: the first endless tube section jacking terminates, and the second endless tube section of lifting is gone into the well, and repeats step S2 ~ S5, until completing all tube couplings
Jacking.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811638532.2A CN109630133B (en) | 2018-12-29 | 2018-12-29 | A kind of push-bench exempts to dismount pipeline system and its construction method |
| DE112019004077.4T DE112019004077T5 (en) | 2018-12-29 | 2019-04-26 | A pipe system of the tunneling machine that frees you from dismantling and assembly, as well as the construction method |
| JP2021520297A JP7030243B2 (en) | 2018-12-29 | 2019-04-26 | Piping system that does not require attachment / detachment work used for pipe propulsion machines and construction method using this |
| SG11202100676XA SG11202100676XA (en) | 2018-12-29 | 2019-04-26 | Assembly- and disassembly-free pipeline system for pipe jacking machine, and construction method therefor |
| PCT/CN2019/084412 WO2020133847A1 (en) | 2018-12-29 | 2019-04-26 | Assembly- and disassembly-free pipeline system for pipe jacking machine, and construction method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811638532.2A CN109630133B (en) | 2018-12-29 | 2018-12-29 | A kind of push-bench exempts to dismount pipeline system and its construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109630133A true CN109630133A (en) | 2019-04-16 |
| CN109630133B CN109630133B (en) | 2019-10-11 |
Family
ID=66055119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811638532.2A Active CN109630133B (en) | 2018-12-29 | 2018-12-29 | A kind of push-bench exempts to dismount pipeline system and its construction method |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP7030243B2 (en) |
| CN (1) | CN109630133B (en) |
| DE (1) | DE112019004077T5 (en) |
| SG (1) | SG11202100676XA (en) |
| WO (1) | WO2020133847A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111156016A (en) * | 2019-12-31 | 2020-05-15 | 上海隧道工程有限公司 | Pipe jacking pipe joint structure capable of reducing pipeline connection times and construction method |
| CN111255947A (en) * | 2020-01-19 | 2020-06-09 | 重庆大学 | Temporary pipe joint and pipe jacking construction method |
| WO2020133847A1 (en) * | 2018-12-29 | 2020-07-02 | 中铁工程装备集团有限公司 | Assembly- and disassembly-free pipeline system for pipe jacking machine, and construction method therefor |
| CN111779504A (en) * | 2020-07-02 | 2020-10-16 | 杭州鲁尔物联科技有限公司 | Prefabricated shield segment and health monitoring system and integration method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112061901A (en) * | 2020-09-21 | 2020-12-11 | 中建八局轨道交通建设有限公司 | Cable paying-off device and construction method thereof |
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-
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- 2018-12-29 CN CN201811638532.2A patent/CN109630133B/en active Active
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- 2019-04-26 DE DE112019004077.4T patent/DE112019004077T5/en active Pending
- 2019-04-26 WO PCT/CN2019/084412 patent/WO2020133847A1/en active Application Filing
- 2019-04-26 SG SG11202100676XA patent/SG11202100676XA/en unknown
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020133847A1 (en) * | 2018-12-29 | 2020-07-02 | 中铁工程装备集团有限公司 | Assembly- and disassembly-free pipeline system for pipe jacking machine, and construction method therefor |
| CN111156016A (en) * | 2019-12-31 | 2020-05-15 | 上海隧道工程有限公司 | Pipe jacking pipe joint structure capable of reducing pipeline connection times and construction method |
| CN111255947A (en) * | 2020-01-19 | 2020-06-09 | 重庆大学 | Temporary pipe joint and pipe jacking construction method |
| CN111255947B (en) * | 2020-01-19 | 2020-11-27 | 重庆大学 | Temporary pipe joint and pipe jacking construction method |
| CN111779504A (en) * | 2020-07-02 | 2020-10-16 | 杭州鲁尔物联科技有限公司 | Prefabricated shield segment and health monitoring system and integration method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2021529907A (en) | 2021-11-04 |
| DE112019004077T5 (en) | 2021-04-29 |
| SG11202100676XA (en) | 2021-03-30 |
| WO2020133847A1 (en) | 2020-07-02 |
| CN109630133B (en) | 2019-10-11 |
| JP7030243B2 (en) | 2022-03-04 |
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