CN206111186U - Earth pressure balanced establish system before rectangular shield dug on top and starts - Google Patents

Earth pressure balanced establish system before rectangular shield dug on top and starts Download PDF

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Publication number
CN206111186U
CN206111186U CN201621150404.XU CN201621150404U CN206111186U CN 206111186 U CN206111186 U CN 206111186U CN 201621150404 U CN201621150404 U CN 201621150404U CN 206111186 U CN206111186 U CN 206111186U
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China
Prior art keywords
portal
hole
rectangular shield
shield top
barn
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Active
Application number
CN201621150404.XU
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Chinese (zh)
Inventor
邓江云
王翔
汪洋
高进
王人生
杨武
魏方东
王榜
邓忠伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Construction Road And Bridge Construction Co Ltd
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Chengdu Construction Road And Bridge Construction Co Ltd
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Publication date
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Priority to CN201621150404.XU priority Critical patent/CN206111186U/en
Application granted granted Critical
Publication of CN206111186U publication Critical patent/CN206111186U/en
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Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an earth pressure balanced establish system before rectangular shield dug on top and starts, including portal sealing device and the portal hole of filling in barn, portal sealing device sets up at the entrance to a cave of portal marginal portion, the hole setting is filled in barn in the portal ring beam, just to the portal the portal is filled in barn the entrance point in hole and is located the outer top of portal, and its exit end is located the hole, before the rectangular shield top machine of digging starts, the front end of the rectangular shield top machine of digging is deployed in the portal, the casing of the rectangular shield top machine of digging closely cooperates with portal sealing device. The utility model discloses a portal sealing device's setting, the casing that makes the rectangular shield top machine of digging is with on every side between the stratum and excavate the relative encapsulated situation of void formation between face and the native storehouse to fill in barn the hole through the portal and pour into mud into and fill the space and establish the earth pressure, thereby ensure the rectangular shield top machine of digging and before the tunnelling, set up sufficient earth pressure in the hole, with the security of guaranteeing the construction.

Description

The pick of rectangular shield top originates front earth pressure balance and sets up system
Technical field
This utility model belongs to technical field of building construction, and more particularly to a kind of rectangular shield top pick originates front earth pressure balance Set up system.
Background technology
Before rectangular shield top pick machine is originated, needs set up enough soil pressures in hole, can just carry out formal pick Enter, otherwise when rectangular shield top pick machine is tunneled, be susceptible to the possibility that roadbed subsidence and road surface subside.
Utility model content
Goal of the invention of the present utility model is:For above-mentioned problem, there is provided one kind can be on rectangular shield top Before pick machine is originated, it is ensured that the rectangular shield top pick that earth pressure balance satisfaction driving is required in hole originates front earth pressure balance and sets up system.
What the technical solution of the utility model was realized in:The pick of rectangular shield top originates front earth pressure balance and sets up system, It is characterized in that:Fill in barn hole including portal sealing device and portal, the portal sealing device is arranged on the hole edge of portal Part, portal hole of filling in barn are arranged in portal ring beam, and the fill in barn entrance point in hole of the portal is located at the outer top of portal, its The port of export is located in hole, and before rectangular shield top pick machine is originated, the leading section of the rectangular shield top pick machine is placed in portal, institute The housing for stating rectangular shield top pick machine is fitted close with portal sealing device, makes the housing and surrounding of the rectangular shield top pick machine Between the stratum and space excavated between face and native storehouse forms opposing seal state, injects mud by portal hole of filling in barn Fill the space and set up soil pressure.
Rectangular shield top described in the utility model pick originates front earth pressure balance and sets up system, and which is filled in barn hole in the portal Intrusion pipe is inside provided with, mud is injected by the intrusion pipe into hole, filled in barn the ring between hole in the intrusion pipe and portal Blocked filled with sealing member in gap.
Rectangular shield top pick described in the utility model originates front earth pressure balance and sets up system, its described portal sealing device Including pre-embedded steel slab, rubber slab and pressing plate, the pre-embedded steel slab is arranged in portal ring beam, and some blocks of rubber slabs are along hole side Edge arrangement constitutes cord fabric type structure, and the outer end of each rubber slab is connected with pre-embedded steel slab by pressing plate, the rubber slab Inner end extend to inner side, dimension of opening of the opening size that some blocks of rubber slabs are formed less than portal, when the square When the leading section of shape shield top pick machine is placed in portal, the inner end of the rubber slab is curved along rectangular shield top pick machine traffic direction Folding, and the housing for digging machine with rectangular shield top cooperatively forms sealing.
Rectangular shield top pick described in the utility model originates front earth pressure balance and sets up system, and which is arranged on the pressing plate There is folding paper sealing clamp, the folding paper sealing clamp is included the fixed plate being fixedly connected on pressing plate and cut with scissors with fixed plate The turnover panel for connecing, the turnover panel are located at lateral surface of the rubber slab to inner side extension, when the leading section of machine is dug on the rectangular shield top When being placed in portal, the turnover panel is along the pick machine traffic direction bending of rectangular shield top, and the rubber slab of bending is pushed down.
Setting of this utility model by portal sealing device, makes between the housing and surrounding formation of rectangular shield top pick machine And the space excavated between face and native storehouse forms opposing seal state, and fill in barn by portal that to inject mud filling empty in hole Gap and set up soil pressure, so that it is guaranteed that rectangular shield top dig machine before driving, set up enough soil pressures in the hole in, with ensure construct Safety.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of portal sealing device in this utility model.
Labelling in figure:1 is portal sealing device, and 2 fill in barn hole for portal, and 3 is portal, and 4 is portal ring beam, and 5 is pre-buried steel Plate, 6 is rubber slab, and 7 is pressing plate, and 8 is fixed plate, and 9 is turnover panel.
Specific embodiment
Below in conjunction with the accompanying drawings, this utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only to explain This utility model, is not used to limit this utility model.
As shown in Fig. 1, the pick of rectangular shield top originates front earth pressure balance and sets up system, including portal sealing device 1 and portal Fill in barn hole 2, the portal sealing device 1 is arranged on the hole marginal portion of portal 3, portal hole 2 of filling in barn is arranged on portal In ring beam 4, and the fill in barn entrance point in hole 2 of the portal is located at the outer top of portal 3, and its port of export is located in hole, and the portal is filled out The aperture in storehouse hole is Φ 110mm, and the intrusion pipe of the Φ 60mm of outer side band valve is provided with the portal fills in barn hole 2, described Intrusion pipe is stretched in hole from outer skew back, and length is about 3m, is filled with the annular space that the intrusion pipe and portal are filled in barn between hole 2 Sealing member is blocked, and before rectangular shield top pick machine is originated, shield top pick equipment debugging is completed, after no-load running is normal, will Away from face 10cm or so in equipment propulsion portal, i.e., the leading section of described rectangular shield top pick machine is placed in portal 3, the square The housing of shape shield top pick machine is fitted close with portal sealing device 1, makes the housing and peripherally of rectangular shield top pick machine Between the layer and space excavated between face and native storehouse forms opposing seal state, fills in barn what is arranged in hole 2 by portal Intrusion pipe injects mud into hole, sets up soil pressure to fill the space.
As shown in Fig. 2 the portal sealing device 1 includes pre-embedded steel slab 5, rubber slab 6 and pressing plate 7, the pre-buried steel Plate 5 is arranged in portal ring beam 4, and some blocks of rubber slabs 6 constitute cord fabric type structure along hole edge arrangement, each rubber slab 6 Outer end is connected with pre-embedded steel slab 5 by pressing plate 7, and the inner end of the rubber slab 6 extends to inner side, some pieces of rubbers Dimension of opening of the opening size that offset plate 6 is formed less than portal 3, when the leading section that machine is dug on the rectangular shield top is placed in portal 3 When interior, the inner end of the rubber slab 6 is along the pick machine traffic direction bending of rectangular shield top, and the housing of machine is dug with rectangular shield top Cooperatively form sealing.
Wherein, folding paper sealing clamp is provided with the pressing plate 7, the folding paper sealing clamp includes being fixedly connected Fixed plate 8 and the turnover panel 9 being hinged with fixed plate 8 on pressing plate 7, the turnover panel 9 are located at rubber slab 6 to inner side extension Lateral surface, when the leading section that machine is dug on the rectangular shield top is placed in portal 3, the turnover panel 9 is along rectangular shield top pick machine fortune Line direction bends, and the rubber slab 6 of bending is pushed down, and to prevent rubber slab from turning up when by mud pressure in hole, and goes out The phenomenon of existing mud outflow.
Mixing good mud of filling in barn is injected, mud before rectangular shield top pick machine is originated by this utility model by hole of filling in barn Space and the space between excavation face and native storehouse between slurry filling top pick casing body and surrounding formation, observation top pick machine When the numerical value that each site pressure sensor shows reaches requirement, the earth pressure balance before illustrating to originate is set up and is finished, and just can carry out Formula is tunneled.
Preferred embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all at this Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in this utility model Protection domain within.

Claims (4)

1. rectangular shield top pick originates front earth pressure balance and sets up system, it is characterised in that:Including portal sealing device(1)And portal Fill in barn hole(2), the portal sealing device(1)It is arranged on portal(3)Hole marginal portion, the portal fills in barn hole(2)If Put in portal ring beam(4)It is interior, and the portal fills in barn hole(2)Entrance point be located at portal(3)Outer top, its port of export are located at hole Interior, before rectangular shield top pick machine is originated, the leading section of the rectangular shield top pick machine is placed in portal(3)It is interior, the rectangle shield The housing and portal sealing device of structure top pick machine(1)It is fitted close, makes the housing and surrounding formation of the rectangular shield top pick machine Between and the space excavated between face and native storehouse form opposing seal state, filled in barn hole by portal(2)Injection mud Fill the space and set up soil pressure.
2. rectangular shield top pick according to claim 1 originates front earth pressure balance and sets up system, it is characterised in that:Described Portal is filled in barn hole(2)Intrusion pipe is inside provided with, mud is injected by the intrusion pipe into hole, filled out in the intrusion pipe and portal Storehouse hole(2)Between annular space in blocked filled with sealing member.
3. rectangular shield top pick according to claim 1 and 2 originates front earth pressure balance and sets up system, it is characterised in that:Institute State portal sealing device(1)Including pre-embedded steel slab(5), rubber slab(6)And pressing plate(7), the pre-embedded steel slab(5)It is arranged on hole Knocker beam(4)It is interior, some blocks of rubber slabs(6)Along hole edge, arrangement constitutes cord fabric type structure, each rubber slab(6)Outer end By pressing plate(7)With pre-embedded steel slab(5)It is connected, the rubber slab(6)Inner end to inner side extend, some pieces of rubbers Offset plate(6)The opening size of formation is less than portal(3)Dimension of opening, when the rectangular shield top dig machine leading section be placed in hole Door(3)When interior, the rubber slab(6)Inner end along rectangular shield top pick machine traffic direction bending, and dig with rectangular shield top The housing of machine cooperatively forms sealing.
4. rectangular shield top pick according to claim 3 originates front earth pressure balance and sets up system, it is characterised in that:Described Pressing plate(7)On be provided with folding paper sealing clamp, the folding paper sealing clamp includes being fixedly connected on pressing plate(7)On fixation Plate(8)And and fixed plate(8)The turnover panel being hinged(9), the turnover panel(9)Positioned at rubber slab(6)To the outside of inner side extension Face, when the leading section that machine is dug on the rectangular shield top is placed in portal(3)When interior, the turnover panel(9)Along rectangular shield top pick machine fortune Line direction bends, and the rubber slab that will be bent(6)Push down.
CN201621150404.XU 2016-10-30 2016-10-30 Earth pressure balanced establish system before rectangular shield dug on top and starts Active CN206111186U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621150404.XU CN206111186U (en) 2016-10-30 2016-10-30 Earth pressure balanced establish system before rectangular shield dug on top and starts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621150404.XU CN206111186U (en) 2016-10-30 2016-10-30 Earth pressure balanced establish system before rectangular shield dug on top and starts

Publications (1)

Publication Number Publication Date
CN206111186U true CN206111186U (en) 2017-04-19

Family

ID=58526500

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621150404.XU Active CN206111186U (en) 2016-10-30 2016-10-30 Earth pressure balanced establish system before rectangular shield dug on top and starts

Country Status (1)

Country Link
CN (1) CN206111186U (en)

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