CN112647525A - Urban underground comprehensive pipe gallery open cut foundation pit drainage device - Google Patents
Urban underground comprehensive pipe gallery open cut foundation pit drainage device Download PDFInfo
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- CN112647525A CN112647525A CN202110047296.2A CN202110047296A CN112647525A CN 112647525 A CN112647525 A CN 112647525A CN 202110047296 A CN202110047296 A CN 202110047296A CN 112647525 A CN112647525 A CN 112647525A
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- rod
- foundation pit
- fixed
- drainage device
- open cut
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical & Material Sciences (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention relates to a drainage device for an open cut foundation pit of an urban underground comprehensive pipe gallery, wherein a cofferdam is arranged at the edge of the foundation pit, and the drainage device comprises: the track is fixed at the top end of the cofferdam; the rotating platform is arranged on the track in a sliding manner; the tail end of the first rod is connected to the rotating platform, and the tail end of the second rod can movably extend into the foundation pit; the water pump is fixed in on this rotary platform, and this water pump includes inlet tube and drain pipe, and the one end that this water pump was kept away from to this inlet tube is fixed with the end of this second pole, and this drain pipe extends outside this foundation ditch. According to the invention, through the combination of the track, the rotary platform and the first rod and the second rod which are hinged with each other, the technical problems that in the prior art, the underground pipe gallery open excavation foundation pit adopts a pit excavation drainage mode, so that the pressure of a soil layer in the foundation pit is uneven, and a drainage area cannot be flexibly adjusted are solved.
Description
Technical Field
The invention relates to the field of building construction, in particular to a drainage device for an open cut foundation pit of an urban underground comprehensive pipe gallery.
Background
The open cut method is an underground engineering construction method which firstly excavates the ground, builds a lining under the open air condition and then covers and backfills the ground. For some urban underground comprehensive pipe gallery facilities, the buried depth is generally shallow, and the open excavation method has the advantages of low construction cost, high efficiency and the like compared with the underground excavation method.
When open excavation construction is carried out in some riverway cofferdams, water seepage can be possibly generated in excavated foundation pits, so that inconvenience is brought to construction, a commonly used drainage method is that a diversion trench and a water collection pit are excavated at the bottom of each foundation pit, the seepage water is drained to the inside of the water collection pit through a diversion trench, and then the seepage water is drained in one step through a drainage pump, so that drainage can be carried out only by excavating trenches in the water accumulation region although the method is simple to operate, so that the pressure on soil layers in the foundation pits is uneven, the construction procedures are more, and the labor capacity is improved; and meanwhile, the drainage area cannot be flexibly adjusted, so that inconvenience is brought to foundation pit construction.
Disclosure of Invention
The invention provides a drainage device for an open cut foundation pit of an urban underground comprehensive pipe gallery, which solves the technical problems that the pressure of a soil layer inside the foundation pit is uneven and the drainage area cannot be flexibly adjusted because an open cut foundation pit of the underground pipe gallery adopts a pit-digging drainage mode in the prior art.
The invention discloses a drainage device for an open excavation foundation pit of an urban underground comprehensive pipe gallery, wherein a cofferdam is arranged at the edge of the foundation pit, and the drainage device comprises:
the track is fixed at the top end of the cofferdam;
the rotating platform is arranged on the track in a sliding manner;
the tail end of the first rod is connected to the rotating platform, and the tail end of the second rod can movably extend into the foundation pit;
the water pump is fixed in on this rotary platform, and this water pump includes inlet tube and drain pipe, and the one end that this water pump was kept away from to this inlet tube is fixed with the end of this second pole, and this drain pipe extends outside this foundation ditch.
The drainage device for the open cut foundation pit of the urban underground comprehensive pipe gallery is further improved in that a pin bolt is radially arranged at the position, close to the head end, of the second rod in a penetrating mode, a U-shaped groove is formed in the head end of the first rod, pin holes for pivoting two end portions of the pin bolt are formed in two side walls of the U-shaped groove in a relatively opened mode, a movable plug-in unit capable of stretching out and drawing back to the second rod along the length direction of the second rod is arranged at the head end of the second rod, and a limiting insertion hole for inserting the movable plug-in unit when the movable plug-in unit stretches out is formed in the bottom of the.
The urban underground comprehensive pipe gallery open cut foundation pit drainage device is further improved in that a guide hole for the movable plug-in unit to move in a telescopic mode is formed in the head end of the second rod, an operation hole communicated with the guide hole is formed in the head end of the second rod along the direction of the guide hole, a driving handle is vertically fixed on the movable plug-in unit, and the driving handle extends out of the operation hole.
The drainage device for the open cut foundation pit of the urban underground comprehensive pipe gallery is further improved in that a return spring is fixed between the movable plug-in and the bottom of the guide hole.
The urban underground comprehensive pipe gallery open cut foundation pit drainage device is further improved in that the first rod and the second rod are both provided with guide rings, and the water inlet pipe penetrates through the guide rings.
The urban underground comprehensive pipe gallery open cut foundation pit drainage device is further improved in that the tail end of the second rod and one end, far away from the water pump, of the water inlet pipe are inserted and fixed in a water inlet ball head side by side.
The urban underground comprehensive pipe gallery open cut foundation pit drainage device is further improved in that the tail end of the first rod is hinged to the rotating platform.
The urban underground comprehensive pipe gallery open cut foundation pit drainage device is further improved in that a return spring is fixed between the tail end of the first rod and the rotary platform.
The urban underground comprehensive pipe gallery open cut foundation pit drainage device is further improved in that the rail is a fixed seat with an I-shaped section, the bottom of the fixed seat is fixed at the top of the cofferdam, the top of the fixed seat is provided with a sliding seat in a sliding mode, and the sliding seat is fixedly provided with the rotating platform.
The urban underground comprehensive pipe gallery open cut foundation pit drainage device is further improved in that a damping spring is fixed between the water pump and the rotary platform.
Compared with the prior art, the invention has positive and obvious effect. According to the invention, through the combination of the track, the rotary platform and the first rod and the second rod which are hinged with each other, the technical problems that in the prior art, the underground pipe gallery open excavation foundation pit adopts a pit excavation drainage mode, so that the pressure of a soil layer in the foundation pit is uneven, and a drainage area cannot be flexibly adjusted are solved. According to the invention, the sliding seat is connected with the fixed seat in a sliding manner, so that the transverse drainage position of the water inlet ball head can be adjusted through the sliding seat sliding along the length direction of the fixed seat, the rotary platform is connected with the sliding seat, so that the transverse position of the water inlet ball head can be finely adjusted through rotating the rotary platform, the longitudinal position of the water inlet ball head can be adjusted through rotating the second rod through adjusting the first rod and the second rod, and meanwhile, the height of the water inlet ball head can be adjusted through adjusting the telescopic length of the second rod, so that the water suction position of the water inlet ball head can be adjusted in a multi-azimuth flexible manner by the device, and the multi-azimuth drainage position adjustment can be conveniently carried out in the multi-foundation pit.
Drawings
Fig. 1 is a schematic view of the overall structure of the drainage device for the open cut foundation pit of the urban underground comprehensive pipe gallery.
Fig. 2 is a schematic structural view of a joint of a first rod and a second rod of the drainage device for the open cut foundation pit of the urban underground comprehensive pipe gallery.
Fig. 3 is an enlarged view of fig. 1 at B.
Fig. 4 is an enlarged view of a portion a in fig. 1.
Fig. 5 is a schematic structural view of a water inlet ball head of the drainage device for the open cut foundation pit of the urban underground comprehensive pipe gallery.
Fig. 6 is a schematic diagram of a track structure of the drainage device for the open cut foundation pit of the urban underground comprehensive pipe gallery.
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in fig. 1, the drainage device for the open cut foundation pit 2 of the urban underground comprehensive pipe gallery of the invention, the edge of the foundation pit 2 is provided with a cofferdam 1, and the drainage device comprises:
the track is fixed at the top end of the cofferdam 1;
the rotating platform is arranged on the track in a sliding manner;
a first rod 8 and a second rod 11 which are hinged with each other, wherein the tail end of the first rod 8 is connected to the rotating platform, and the tail end of the second rod 11 can movably extend into the foundation pit 2;
and the water pump 19 is fixed on the rotary platform, the water pump 19 comprises a water inlet pipe 20 and a water outlet pipe 28, one end of the water inlet pipe 20, which is far away from the water pump 19, is fixed with the tail end of the second rod 11, and the water outlet pipe 28 extends out of the foundation pit 2.
This drainage device uses the top of cofferdam 1 as the fulcrum, carries out the removal of whole device position and the change of inlet tube 20 position to the realization is adjusted the diversified drainage position in foundation ditch 2.
Preferably, as shown in fig. 2, a pin 27 is radially inserted into a position of the second rod 11 near the head end, a U-shaped groove 10 is formed at the head end of the first rod 8, pin holes for pivotally connecting two end portions of the pin 27 are oppositely formed on two side walls of the U-shaped groove 10, a movable plug-in 14 capable of extending and retracting in the second rod 11 along the length direction of the second rod 11 is arranged at the head end of the second rod 11, and a limit insertion hole 12 for inserting the movable plug-in 14 when extending out is arranged at the bottom of the U-shaped groove 10.
The U-shaped groove 10, the pin 27 and the pin hole jointly form a rotating mechanism which enables the first rod 8 and the second rod 11 to be connected in a rotating mode, the first rod 8 and the second rod 11 are limited through the movable plug-in piece 14 and the limiting insertion hole 12, the first rod 8 and the second rod 11 can be fixed at a certain angle, and therefore other adjustment can be conducted on the drainage device conveniently.
Preferably, a guide hole 13 for the mobile plug-in 14 to perform telescopic movement is formed at the head end of the second rod 11, an operation hole communicated with the guide hole 13 is further formed at the head end of the second rod 11 along the direction of the guide hole 13, a driving handle 15 is vertically fixed on the mobile plug-in 14, and the driving handle 15 extends out of the operation hole.
The driving handle 15 can facilitate moving the movable plug-in 14, the driving handle 15 is fixed at one end of the movable plug-in 14 close to the second rod 11, when the driving handle 15 slides to the bottom of the operation hole, the movable plug-in 14 is separated from the limit insertion hole 12, and therefore the second rod 11 rotates along with the pin bolt 27.
Preferably, a return spring 16 is fixed between the movable insert 14 and the bottom of the guide hole 13.
The return spring 16 can enable the movable plug-in 14 to abut against the inside of the limit jack 12, so that the situation that the movable plug-in 14 is separated from the limit jack 12 due to shaking in the use process when the first rod 8 is connected with the second rod 11 is avoided. In the use process, drive handle 15 is shifted, so that mobile plug-in 14 is accommodated in the inside of guide hole 13, second pole 11 is rotated simultaneously to make second pole 11 and first pole 8 be in the same horizontal plane, then drive handle 15 is loosened, make mobile plug-in 14 insert the inside of spacing jack 12 under the promotion of reset spring 16, thereby lock second pole 11 and first pole 8, and the level passes through rotary platform and rotates first pole 8, make second pole 11 rotate along with first pole 8, thereby shift out second pole 11 from the inside of foundation ditch 2, in order to temporarily accomodate second pole 11, be convenient for inside continuation construction of foundation ditch 2.
Preferably, as shown in fig. 1 and 4, the first rod 8 and the second rod 11 are provided with a guide ring 21, and the water inlet pipe 20 is inserted into the guide ring 21.
The guide ring 21 can move the water inlet pipe 20 along the same path, so that the water inlet pipe 20 extends or shortens along the first rod 8 and the second rod 11, the situation that the water inlet pipe 20 is randomly arranged at the edge of the foundation pit 2 in the drainage process is avoided, and the situation that the water inlet pipe 20 influences the construction is avoided.
Preferably, as shown in fig. 5, the end of the second rod 11 and the end of the water inlet pipe 20 far away from the water pump 19 are inserted and fixed in a water inlet bulb 18 side by side.
This bulb of intaking 18 is the ball-type coupling mechanism who is equipped with a plurality of trompils, can make in second pole 11 and inlet tube 20 are fixed in the bulb of intaking 18 jointly, and make inlet tube 20 and the bulb of intaking 18 intercommunication, still can filter out the debris of large granule when conveniently absorbing water ponding and mix in the inlet tube 20. The second rod comprises an inner rod and an outer rod, the water inlet ball head 18 is fixed at one end of the inner rod, which is far away from the first rod, and a limiting bolt 17 and a water pump 19 control button 24 which are used for locking the inner rod are arranged at one end of the outer rod, which is far away from the first rod of the transverse support rod in a penetrating manner.
Preferably, the end of the first lever 8 is hinged to the rotary platform.
The first rod 8 can be adjusted in direction from the tail end, and the adjusting range of the first rod 8 and the second rod 11 is enlarged, so that the water drainage range of the foundation pit 2 by the water inlet pipe 20 is enlarged. Preferably, as shown in fig. 3, a return spring 9 is fixed between the end of the first lever 8 and the rotary platform.
The return spring 9 can easily return the first lever 8, and prevent the second lever 11 and the first lever 8 from being easily lifted due to an increase in weight after the water inlet tube 20 absorbs water.
Preferably, as shown in fig. 3 and 6, the track is a fixed seat 3 with an i-shaped cross section, the bottom of the fixed seat 3 is fixed to the top of the cofferdam 1, a sliding seat 4 is slidably installed at the top of the fixed seat 3, and the rotating platform is fixed on the sliding seat 4.
The sliding seat 4 is provided with a groove matched with the shape of the upper part of the fixed seat 3, so that the groove is clamped on the fixed seat 3 and slides along the length direction of the fixed seat 3, and the drainage device moves along the direction of the edge of the cofferdam 1. The fixed seat 3 is fixed to the top of the cofferdam 1 by means of a pin 26. In the use, through sliding seat 4 and 3 sliding connection of fixing base, make through the gliding sliding seat 4 of length direction along fixing base 3, reach the horizontal drainage position of adjusting into water bulb 18, be connected through rotary platform and sliding seat 4, thereby make and to finely tune into water bulb 18's horizontal position through rotating rotary platform, and through the regulation between first pole 8 and the second pole 11, make to rotate second pole 11 and can carry out longitudinal position control to into water bulb 18, simultaneously through the flexible length of adjusting second pole 11, thereby adjust into water bulb 18's height, make the device can diversified nimble adjust into water bulb 18's the position of absorbing water, be convenient for the inside of many foundation pits 2 carries out diversified drainage position control.
Preferably, as shown in fig. 3, a damping spring 22 is fixed between the water pump 19 and the rotary platform.
The rotating platform comprises a supporting rod 25, a rotating plate 5, a mounting plate 6 and a supporting seat 7, wherein the supporting rod 25 is fixed on the fixed seat 3, the rotating plate 5 is rotatably connected to the supporting rod 25, and the mounting plate 6 is fixed on the rotating plate 5. The supporting seat 7 and the water pump 19 are fixed on the mounting plate 6, and one end of the first rod 8 far away from the second rod 11 is hinged on the supporting seat 7. The water pump 19 is fixed on the rotary platform through a fixing bolt 23, a damping spring 22 is sleeved outside the fixing bolt 23, and the damping spring 22 can reduce the influence of vibration generated when the water pump 19 operates on the rotary platform.
According to the invention, through the combination of the track, the rotary platform and the first rod and the second rod which are hinged with each other, the technical problems that in the prior art, the underground pipe gallery open excavation foundation pit adopts a pit excavation drainage mode, so that the pressure of a soil layer in the foundation pit is uneven, and a drainage area cannot be flexibly adjusted are solved. The device not only can adjust the water absorption position of the water inlet ball head in a multi-azimuth flexible manner, but also is convenient for adjusting the drainage azimuth in a multi-azimuth manner inside the multi-foundation pit; can accomodate the telescopic link temporarily simultaneously, the inside continuation construction of foundation ditch of being convenient for.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a city utility tunnel open cut foundation ditch drainage device, the edge of foundation ditch is provided with the cofferdam, its characterized in that, drainage device includes:
the rail is fixed at the top end of the cofferdam;
the rotating platform is arranged on the track in a sliding manner;
the tail end of the first rod is connected to the rotating platform, and the tail end of the second rod can movably extend into the foundation pit;
the water pump is fixed on the rotary platform and comprises a water inlet pipe and a water outlet pipe, one end of the water inlet pipe, far away from the water pump, is fixed to the tail end of the second rod, and the water outlet pipe extends out of the foundation pit.
2. The urban underground comprehensive pipe gallery open cut foundation pit drainage device according to claim 1, wherein a pin bolt radially penetrates through a position, close to the head end, of the second rod, a U-shaped groove is formed in the head end of the first rod, pin holes for pin connection of two end portions of the pin bolt are oppositely formed in two side walls of the U-shaped groove, a movable plug-in unit capable of stretching out and drawing back of the second rod along the length direction of the second rod is arranged at the head end of the second rod, and a limiting insertion hole for inserting the movable plug-in unit when the movable plug-in unit stretches out is formed in the bottom of the U-shaped groove.
3. The urban underground pipe gallery open cut foundation pit drainage device according to claim 2, wherein a guide hole for the telescopic movement of the movable plug-in unit is formed at the head end of the second rod, an operation hole communicated with the guide hole is further formed at the head end of the second rod along the direction of the guide hole, a driving handle is vertically fixed on the movable plug-in unit, and the driving handle extends out of the operation hole.
4. The urban underground utility tunnel open cut foundation pit drainage device of claim 3, wherein a return spring is fixed between the movable plug-in and the bottom of the guide hole.
5. The urban underground utility tunnel open cut foundation pit drainage device of claim 1, wherein the first rod and the second rod are both provided with a guide ring, and the water inlet pipe is arranged in the guide ring in a penetrating manner.
6. The urban underground utility tunnel open cut foundation pit drainage device of claim 1, wherein the end of the second rod and the end of the water inlet pipe remote from the water pump are inserted side by side and fixed in a water inlet bulb.
7. The urban underground utility tunnel open cut foundation pit drainage device of claim 1, wherein the distal end of the first rod is hinged to the rotary platform.
8. The urban underground utility tunnel open cut foundation pit drainage device of claim 7, wherein a return spring is fixed between the end of the first rod and the rotary platform.
9. The urban underground comprehensive pipe gallery open cut foundation pit drainage device according to claim 1, wherein the rail is a fixed seat with an I-shaped section, the bottom of the fixed seat is fixed on the top of the cofferdam, the top of the fixed seat is slidably provided with a sliding seat, and the sliding seat is fixed with the rotary platform.
10. The urban underground utility tunnel open cut foundation pit drainage device of claim 1, wherein a damping spring is fixed between the water pump and the rotary platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110047296.2A CN112647525B (en) | 2021-01-14 | 2021-01-14 | Urban underground comprehensive pipe rack open cut foundation pit drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110047296.2A CN112647525B (en) | 2021-01-14 | 2021-01-14 | Urban underground comprehensive pipe rack open cut foundation pit drainage device |
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| Publication Number | Publication Date |
|---|---|
| CN112647525A true CN112647525A (en) | 2021-04-13 |
| CN112647525B CN112647525B (en) | 2023-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110047296.2A Active CN112647525B (en) | 2021-01-14 | 2021-01-14 | Urban underground comprehensive pipe rack open cut foundation pit drainage device |
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| CN (1) | CN112647525B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047862A (en) * | 2021-04-28 | 2021-06-29 | 中国铁建股份有限公司 | Pipe gallery entry driving machine removes strutting arrangement and pipe gallery entry driving machine |
| CN113280190A (en) * | 2021-05-24 | 2021-08-20 | 河南工业职业技术学院 | Drainage device for gas pipeline emergency repair |
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| CN108360566A (en) * | 2018-04-26 | 2018-08-03 | 中铁第四勘察设计院集团有限公司 | City integrated piping lane builds structure jointly with rail traffic underground open-cut station main body |
| CN108797618A (en) * | 2018-06-21 | 2018-11-13 | 中国十七冶集团有限公司 | One kind being used for Urban Underground pipe gallery drainage of foundation pit structure and its construction method |
| CN108909859A (en) * | 2018-08-09 | 2018-11-30 | 福建侨龙应急装备有限公司 | A kind of crawler belt pump truck |
| CN109339101A (en) * | 2018-11-21 | 2019-02-15 | 杭州江润科技有限公司 | Cast-in-place pipe gallery and construction method |
| CN110158647A (en) * | 2019-05-28 | 2019-08-23 | 中国十七冶集团有限公司 | A kind of transport of materials method in Urban Underground pipe gallery small space |
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2021
- 2021-01-14 CN CN202110047296.2A patent/CN112647525B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360566A (en) * | 2018-04-26 | 2018-08-03 | 中铁第四勘察设计院集团有限公司 | City integrated piping lane builds structure jointly with rail traffic underground open-cut station main body |
| CN108797618A (en) * | 2018-06-21 | 2018-11-13 | 中国十七冶集团有限公司 | One kind being used for Urban Underground pipe gallery drainage of foundation pit structure and its construction method |
| CN108909859A (en) * | 2018-08-09 | 2018-11-30 | 福建侨龙应急装备有限公司 | A kind of crawler belt pump truck |
| CN109339101A (en) * | 2018-11-21 | 2019-02-15 | 杭州江润科技有限公司 | Cast-in-place pipe gallery and construction method |
| CN110158647A (en) * | 2019-05-28 | 2019-08-23 | 中国十七冶集团有限公司 | A kind of transport of materials method in Urban Underground pipe gallery small space |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047862A (en) * | 2021-04-28 | 2021-06-29 | 中国铁建股份有限公司 | Pipe gallery entry driving machine removes strutting arrangement and pipe gallery entry driving machine |
| CN113280190A (en) * | 2021-05-24 | 2021-08-20 | 河南工业职业技术学院 | Drainage device for gas pipeline emergency repair |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112647525B (en) | 2023-05-30 |
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