CN104747197A - Earth pressure balance shield tunneling machine earth chamber mud cake detection device - Google Patents

Earth pressure balance shield tunneling machine earth chamber mud cake detection device Download PDF

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Publication number
CN104747197A
CN104747197A CN201510132331.5A CN201510132331A CN104747197A CN 104747197 A CN104747197 A CN 104747197A CN 201510132331 A CN201510132331 A CN 201510132331A CN 104747197 A CN104747197 A CN 104747197A
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CN
China
Prior art keywords
mud cake
shield tunneling
tunneling machine
earth
detection device
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Granted
Application number
CN201510132331.5A
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Chinese (zh)
Other versions
CN104747197B (en
Inventor
赵茜
卓兴建
张宁川
郑康泰
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China Railway Engineering Equipment Group Co Ltd CREG
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China Railway Engineering Equipment Group Co Ltd CREG
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Application filed by China Railway Engineering Equipment Group Co Ltd CREG filed Critical China Railway Engineering Equipment Group Co Ltd CREG
Priority to CN201510132331.5A priority Critical patent/CN104747197B/en
Publication of CN104747197A publication Critical patent/CN104747197A/en
Application granted granted Critical
Publication of CN104747197B publication Critical patent/CN104747197B/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/06Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/003Arrangement of measuring or indicating devices for use during driving of tunnels, e.g. for guiding machines

Abstract

The invention belongs to the technical field of subway tunnel shields, particularly relates to an earth pressure balance shield tunneling machine earth chamber mud cake detection device and aims to solve the technical problem that the cutter head mud cake capsizing of a shield tunneling machine occurs in the tunneling process and provide the shield tunneling machine mud cake detection device with high tunneling safety performance and strong equipment durability. The earth pressure balance shield tunneling machine earth chamber mud cake detection device comprises a balance shield tunneling machine center partition plate, mud cake detection channels are formed in the center partition plate, a steel tube is arranged in the mud cake detection channels, a center rod is connected to the interior of the steel tube in an inserted mode, sealing rings are arranged at the two end portions of the center rod inside the steel tube, a conversion connector is arranged at the rear end of the steel tube, the conversion connector is sleeved with a manual ball valve, a connecting flange is arranged at the rear end of the manual ball valve, and the connecting flange connects the center rod for fixation through a connecting bolt. The earth pressure balance shield tunneling machine earth chamber mud cake detection device is simple and convenient, the production efficiency of the shield tunneling machine in the shield tunneling process can be improved effectively, the safety performance of the earth pressure balance shield tunneling machine earth chamber mud cake detection device is improved, and the earth pressure balance shield tunneling machine earth chamber mud cake detection device is suitable for popularization.

Description

A kind of balancing earth-pressure shielding machine soil storehouse mud cake sniffer
Technical field
The invention belongs to subway tunnel shield technical field; Relate to a kind of balancing earth-pressure shielding machine soil storehouse mud cake sniffer specifically.
Background technology
Along with China's metropolis population is increasing and load that is traffic above-ground facility increases the weight of day by day, the exploitation of the underground space have just become the focus that vast city planning design personnel pay close attention to, shield method is also widely adopted in city track traffic engineering, but shield machine is at silty clay, when using in the stratum such as mud stone and argillaceous siltstoue, this difficult problem of cutterhead mud lining usually can be run in tunneling process, mud cake is the tiny sand grains that shield cutter cuts, the blocks of the semi-consolidated and consolidation shape that chip reassembles in native storehouse, the existence of mud cake has not only increased the weight of the load of cutter head of shield machine and cutter, and usually make boring parameter occur sudden change, efficiency of construction is reduced greatly, have influence on the safety of driving to a certain extent, the durability of equipment and the reasonability of construction organization.
Summary of the invention
Goal of the invention of the present invention:
Mainly in tunneling process, producing this technical problem of cutterhead mud cake capstan winch to solve shield machine, providing a kind of driving security performance high, the shield machine mud cake sniffer that equipment persistence is strong.
Technical scheme of the present invention is:
Provide a kind of balancing earth-pressure shielding machine soil storehouse mud cake sniffer, comprise balance shield machine central partition plate, central partition plate is provided with mud cake sense channel, steel pipe is provided with in mud cake sense channel, center-pole is plugged with in steel pipe, the center-pole both ends of steel duct are provided with sealing ring, the rear end of steel pipe is provided with crossover sub, crossover sub is socketed with manual ball valve, the rear end of manual ball valve is provided with adpting flange, center-pole is connected and fixed by connecting bolt by adpting flange, steel pipe is connected with the central partition plate of shield machine by welding, and support ring is provided with on steel pipe, described sealing ring adopts O RunddichtringO, the mud cake sense channel that central partition plate is arranged is symmetrical two.
The invention has the beneficial effects as follows:
In the process of shield machine driving shield structure, greatly facilitate the detection of mud cake in native storehouse, mud cake detect aperture can also be utilized to carry out advance reinforcement and aid in treatment boulder to the stratum in cutterhead front, improve drivage efficiency and the production safety performance of shield machine.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of mud cake sniffer of the present invention.
In figure; 1 is steel pipe; Bar centered by 2; 3 is crossover sub; 4 is manual ball valve; 5 is adpting flange; 6 is sealing ring; 7 is connecting bolt; 8 is support ring; Dividing plate centered by 9; 10 is mud cake sense channel.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
As shown in Fig. 1 ~ 2, provide a kind of balancing earth-pressure shielding machine soil storehouse mud cake sniffer, comprise balance shield machine central partition plate 9, central partition plate 9 is provided with mud cake sense channel 10, steel pipe 1 is provided with in mud cake sense channel 10, center-pole 2 is plugged with in steel pipe 1, center-pole 2 both ends of steel duct are provided with sealing ring 6, the rear end of steel pipe is provided with crossover sub 3, crossover sub 3 is socketed with manual ball valve 4, the rear end of manual ball valve 4 is provided with adpting flange 5, center-pole 2 is connected and fixed by connecting bolt 7 by adpting flange 5, steel pipe 1 is connected with the central partition plate 9 of shield machine by welding, and on steel pipe, be provided with support ring 8, described sealing ring adopts O RunddichtringO, the mud cake sense channel that central partition plate is arranged is symmetrical two, the present invention is simple and convenient, in concrete shield structure use procedure, shield machine advance one section time after, unscrew connecting bolt, center-pole is extracted backward, because center-pole being provided with O RunddichtringO, the generation of water burst effectively can be prevented at water-enriched layer, when center-pole extracts distance out to manual ball valve position, manual ball valve is closed, after confirming that nothing is gushed, manual ball valve is opened, drill rod is squeezed in steel tube pathway, whether detection shield machine has the generation of mud cake in the process of shield driving, if produce and have excessive mud cake, namely by processing toward measures such as native storehouse spray water under high pressures, by this mud cake checkout gear, effectively can improve the production efficiency of shield machine in shield structure process, contribute to the generation that unit in charge of construction finds mud cake timely, and adopt effective safety measure, protect the safety in production of shield machine simultaneously, be applicable to very much promoting.

Claims (4)

1. a balancing earth-pressure shielding machine soil storehouse mud cake sniffer, comprise balance shield machine central partition plate, it is characterized in that: on central partition plate, be provided with mud cake sense channel, steel pipe is provided with in mud cake sense channel, center-pole is plugged with in steel pipe, the center-pole both ends of steel duct are provided with sealing ring, the rear end of steel pipe is provided with crossover sub, crossover sub is socketed with manual ball valve, the rear end of manual ball valve is provided with adpting flange, and center-pole is connected and fixed by connecting bolt by adpting flange.
2. balancing earth-pressure shielding machine soil storehouse according to claim 1 mud cake sniffer, is characterized in that: steel pipe is connected with the central partition plate of shield machine by welding, and is provided with support ring on steel pipe.
3. balancing earth-pressure shielding machine soil storehouse according to claim 1 mud cake sniffer, is characterized in that: described sealing ring adopts O RunddichtringO.
4. balancing earth-pressure shielding machine soil storehouse according to claim 1 mud cake sniffer, is characterized in that: the mud cake sense channel arranged on central partition plate is symmetrical two.
CN201510132331.5A 2015-03-25 2015-03-25 A kind of balancing earth-pressure shielding machine soil storehouse mud cake detection device Active CN104747197B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510132331.5A CN104747197B (en) 2015-03-25 2015-03-25 A kind of balancing earth-pressure shielding machine soil storehouse mud cake detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510132331.5A CN104747197B (en) 2015-03-25 2015-03-25 A kind of balancing earth-pressure shielding machine soil storehouse mud cake detection device

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CN104747197A true CN104747197A (en) 2015-07-01
CN104747197B CN104747197B (en) 2016-09-14

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CN201510132331.5A Active CN104747197B (en) 2015-03-25 2015-03-25 A kind of balancing earth-pressure shielding machine soil storehouse mud cake detection device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106885642A (en) * 2017-03-15 2017-06-23 中南大学 A kind of cutterhead mud lining detection means
CN113482634A (en) * 2021-08-30 2021-10-08 盾构及掘进技术国家重点实验室 System and method for monitoring mud cake of cutter head of slurry shield based on ultrasonic ranging

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4209268A (en) * 1978-02-21 1980-06-24 Ohbayashi-Gumi, Ltd. Tail packing for a slurry pressurized shield
US5803666A (en) * 1996-12-19 1998-09-08 Keller; Carl E. Horizontal drilling method and apparatus
JP2002226841A (en) * 2000-11-28 2002-08-14 Ohbayashi Corp System and method for preparing mud of drilling mud
CN101440709A (en) * 2008-12-12 2009-05-27 天津大学 Cutter head center dreg stirring device of soil pressure balance shield machine
CN204492828U (en) * 2015-03-25 2015-07-22 中铁工程装备集团有限公司 A kind of balancing earth-pressure shielding machine soil storehouse mud cake sniffer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4209268A (en) * 1978-02-21 1980-06-24 Ohbayashi-Gumi, Ltd. Tail packing for a slurry pressurized shield
US5803666A (en) * 1996-12-19 1998-09-08 Keller; Carl E. Horizontal drilling method and apparatus
JP2002226841A (en) * 2000-11-28 2002-08-14 Ohbayashi Corp System and method for preparing mud of drilling mud
CN101440709A (en) * 2008-12-12 2009-05-27 天津大学 Cutter head center dreg stirring device of soil pressure balance shield machine
CN204492828U (en) * 2015-03-25 2015-07-22 中铁工程装备集团有限公司 A kind of balancing earth-pressure shielding machine soil storehouse mud cake sniffer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106885642A (en) * 2017-03-15 2017-06-23 中南大学 A kind of cutterhead mud lining detection means
CN113482634A (en) * 2021-08-30 2021-10-08 盾构及掘进技术国家重点实验室 System and method for monitoring mud cake of cutter head of slurry shield based on ultrasonic ranging
CN113482634B (en) * 2021-08-30 2022-09-20 盾构及掘进技术国家重点实验室 System and method for monitoring mud cake of cutter head of slurry shield based on ultrasonic ranging

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Inventor after: Zhao Qian

Inventor after: Zhuo Xingjian

Inventor after: Cai Hui

Inventor after: Zhang Ningchuan

Inventor after: Zheng Kangtai

Inventor before: Zhao Qian

Inventor before: Zhuo Xingjian

Inventor before: Zhang Ningchuan

Inventor before: Zheng Kangtai

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