CN205532614U - Prevent that shield from constructing brim of a hat device of roof fall in construction - Google Patents
Prevent that shield from constructing brim of a hat device of roof fall in construction Download PDFInfo
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- CN205532614U CN205532614U CN201620100383.4U CN201620100383U CN205532614U CN 205532614 U CN205532614 U CN 205532614U CN 201620100383 U CN201620100383 U CN 201620100383U CN 205532614 U CN205532614 U CN 205532614U
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- Prior art keywords
- brim
- hat
- shield
- roof fall
- connecting rod
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Abstract
The utility model provides a prevent that shield from constructing brim of a hat device of roof fall in construction, include: fixed baseplate, hydraulic cylinder, connecting rod and the brim of a hat, wherein: one side of fixed baseplate is fixed in the shield and is constructed the inboard directly over the casing body, hydraulic cylinder's rear end with fixed baseplate fixed connection, the lower extreme of connecting rod with hydraulic cylinder's front end fixed connection, the upper end of connecting rod with the perpendicular fixed connection of the brim of a hat. The utility model overcomes current construction method prevents under complex geological condition that the shield from constructing shortcoming and defect such as quick -witted roof fall effect is not good, soil body disturbance big, the ground deformation is big, the device makes and to prevent that the shield from constructing in various geological conditionss the roof fall simple process more that becomes, and convenient operation has improved axis control mass, has reduced the deformation of soil body disturbance and ground.
Description
Technical field
This utility model relates to the constructing device of a kind of shield tunnel project technical field of construction, specifically, relates to
And a kind of prevent shield the brim of a hat device of roof fall in construction.
Background technology
Shield method has the feature that driving speed is fast, construction infection is little, labor intensity is low, is big-and-middle-sized tunnel
Main form of construction work.But due to subsurface geology complicated condition, before the forward thrust of shield machine is more than shield machine
During the resistance of necromancer body, shield machine roof fall can be made, thus affect the tunneling direction of shield machine, and then bring soil
The problems such as the increasing of body range of disturbance, ground deformation increasing, especially for complex stratum condition, different soil is cut
Difficulty is different, and surface subsidence Deformation control difficulty is bigger, so, preventing shield machine roof fall is in shield-tunneling construction
One of difficult point.
Finding by prior art documents, China Patent No. is 201110451625.6, patent publication No.
For 103184876A, patent name: a kind of method preventing shield roof fall, this invention utilizes the most reserved
Location hole, guide pile, open port lid plug when producing roof fall phenomenon, by the termination of guide pile from hole, location
It is inserted in the soil outside shield shell, by the upper top of guide pile or suppressing action by port lid plug by whole shield
Machine jack-up or under press, thus realize preventing the roof fall of shield machine.But, it is right that the guide pile stretched out will necessarily strengthen
The disturbance of the soil body, thus strengthen ground deformation.And under the conditions of this invention is only applicable to simple stratum, do not examine
Consider under complex geological condition, especially close on the situation that barrier in stratum is more.Utilize this patent of invention
Method can not solve the problem of shield roof fall under complex geological condition very well and be difficult to ensure that construction quality and ring
Border is protected.So, prior art exists during shield machine roof fall in preventing work progress that soil disturbance is big, ground
The shortcoming that deformation is big and actual effect is the best.
Utility model content
For the deficiencies in the prior art and defect, the purpose of this utility model is to provide one to prevent shield
Structure is the brim of a hat device of roof fall in construction, this device change prior art in construction shield machine generation roof fall with
After carry out the passive correction mode rectified a deviation again, shield housing installs additional the anti-bias mode of active of the brim of a hat device, from
And effectively prevent shield machine roof fall, and greatly reducing soil disturbance, reduce ground deformation, construction technology is simple, can
Strong operability.
For achieving the above object, this utility model provides a kind of and prevents shield the brim of a hat device of roof fall in construction, including: Gu
Determine pedestal, hydraulic jack, connecting rod and the brim of a hat, wherein: shield casing is fixed in the side of described fixed pedestal
Inner side directly over body, the rear end of described hydraulic jack is fixing with described fixed pedestal to be connected；Described connecting rod
Lower end is fixing with the front end of described hydraulic jack to be connected；The upper end of described connecting rod fix company vertical with the described the brim of a hat
Connect.
Preferably, the described the brim of a hat is a block plate, and described steel plate bending becomes consistent with shield machine housing outer diameter
60 ° of circular arcs；The front end of the described the brim of a hat is 45 ° of basils, and rear end is provided with bolt hole.
Preferably, the upper end of described connecting rod passes shield machine housing and is provided with bolt hole, the spiral shell on the described the brim of a hat
Keyhole matches with the bolt hole in described connecting rod, and the described the brim of a hat is bolted with connecting rod by bolt.
Preferably, the described the brim of a hat, thickness is 1/10th of width, a length of shield circumference 1/6th.
Preferably, the cambered surface axis of the described the brim of a hat is parallel with shield machine axis.
Preferably, the front end of described fixed pedestal is provided with a ring flange, and the front end of described fixed pedestal is additionally provided with spiral shell
Keyhole.
Preferably, described fixed pedestal is monoblock bloom, or the box-like rigid body being made up of steel plate.
Preferably, the rear end of described hydraulic jack is fixed by flange gasket, ring flange and described fixed pedestal and is connected.
Preferably, described connecting rod is cuboid steel pole, and the lower end of described connecting rod leads to the front end of hydraulic jack
Cross ring flange, the fixing connection of flange gasket.
Preferably, the axis of described connecting rod is vertical with the axis of described hydraulic jack.
Operation principle of the present utility model is:
When described the brim of a hat device is not used by, described the brim of a hat device utilizes described hydraulic jack to be retracted to cutterhead face
In.When shield enters easy roof fall stratum, described the brim of a hat device can utilize described hydraulic jack to stretch out, stretch out
Length can determine according to strata condition.Shield is in tunneling process, due to the barrier effect of the described the brim of a hat, the soil body
The described the brim of a hat can be produced active force, thus be effective against the trend of shield machine roof fall.Described the brim of a hat extension elongation
The biggest, the soil body and the brim of a hat interact the biggest, and the ability of opposing shield machine roof fall is the strongest.Therefore when in easy roof fall
Stratum construction time, described the brim of a hat device stretches out, and by the brim of a hat extension elongation number prevent roof fall.
Compared with prior art and other Patents, this utility model has the advantage that
The present invention i.e. designs the brim of a hat device from the repacking of Suporting structure, overcomes existing construction method at complicated geological
Under the conditions of prevent the shortcoming and defect such as shield machine roof fall poor effect, soil disturbance is big, ground deformation is big.This reality
To make to prevent shield roof fall in various geological conditions from becoming more technique with novel described device simple, operation
Convenient, improve axial line control quality, decrease soil disturbance and ground deformation.
Accompanying drawing explanation
The detailed description with reference to the following drawings, non-limiting example made by reading, this utility model
Other features, objects and advantages will become more apparent upon:
Fig. 1 is the overall arrangement figure of this utility model one embodiment；
Fig. 2 is hydraulic jack and the fixed pedestal connection figure of this utility model one embodiment；
Fig. 3 is the hydraulic jack of this utility model one embodiment, connecting rod and the brim of a hat schematic cross-section；
Fig. 4 is the brim of a hat axonometric chart of this utility model one embodiment；
Fig. 5 is the brim of a hat device of this utility model one embodiment installation diagram on shield excavation machine；
In figure: 1 is shield machine housing, 2 is fixed pedestal, and 3 is hydraulic jack, and 4 is connecting rod, and 5 is cap
Eaves, 6 is ring flange, and 7 is flange gasket, and 8-1,8-2,8-3 are bolt, and 9 is bolt hole, and 10 fill for the brim of a hat
Putting, 11 is cutterhead.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is described in detail.Following example will assist in ability
The technical staff in territory is further appreciated by this utility model, but limits this utility model the most in any form.Should refer to
Go out, to those skilled in the art, without departing from the concept of the premise utility, also
Some deformation and improvement can be made.These broadly fall into protection domain of the present utility model.
As it is shown in figure 1, the present embodiment provides a kind of prevents the shield the brim of a hat device 10 of roof fall, institute in construction
State the brim of a hat device 10 and be fixed on the front end of shield machine, specifically include: fixed pedestal 2, hydraulic jack 3, connection
Bar 4 and the brim of a hat 5, its annexation is: the side of described fixed pedestal 2 is fixed on shield machine housing 1 and just goes up
The inner side of side；The rear end of described hydraulic jack 3 is fixing with described fixed pedestal 2 to be connected；Described connecting rod 4
Lower end is fixing with the front end of described hydraulic jack 3 to be connected, and the upper end of described connecting rod 4 is vertical with the described the brim of a hat 5
Fixing connection.
In a preferred embodiment, interior directly over the side of described fixed pedestal 2 and described shield machine housing 1
Side is welded to connect fixing；The front end of described fixed pedestal 2 is provided with bolt hole, a diameter of 20mm of bolt hole；
Described fixed pedestal 2 is connected with ring flange 6, flange gasket 7 bolt.As in figure 2 it is shown, concrete:
Described fixed pedestal 2 is a block length 300mm, wide 300mm, the bloom of high 300mm, and material is
Q235；
The external diameter of described ring flange 6 is 220mm, inside nominal diameter is 100mm, thickness is 22mm, material
For 20#, use 4 M18 bolt 8-1.
In the present embodiment, described fixed pedestal 2 uses fillet weld seam, weld bead height with shield machine housing 1
8mm。
In a preferred embodiment, ring flange 6, flange gasket 7 are passed through with described in the rear end of described hydraulic jack 3
Fixed pedestal 2 is fixing to be connected.As in figure 2 it is shown, concrete: described hydraulic jack 3 is made up of steel alloy, its
Overall diameter 100mm.
In a preferred embodiment, described connecting rod 4 is cuboid steel pole；The upper end of described connecting rod 4 passes
Shield machine housing 1 is also provided with bolt hole；The lower end of described connecting rod 4 and hydraulic jack 3 also by ring flange 6,
Flange gasket 7, bolt 8-2 are fixing to be connected, and wherein the specification of bolt 8-2 is identical with bolt 8-1；Such as Fig. 3 institute
Show, concrete: the described long 350mm of connecting rod 4, cross section specification 200mm50mm, bolt hole internal diameter 20mm.
In the present embodiment, the axis of described connecting rod 4 is vertical with the axis of described hydraulic jack 3.
In a preferred embodiment, the described the brim of a hat 5 be one piece of thickness be 30mm, width be 300mm, length
For the steel plate of 1/6th of shield circumference, steel plate bending becomes the 60 ° circular arcs consistent with shield machine housing 1 external diameter
Steel plate；The front end of the described the brim of a hat 5 processes the basil at 45 °, rear end is provided with bolt hole 9 and this bolt hole 9 and institute
State the bolt hole that connecting rod 4 is provided with to match；As shown in Figure 4, concrete: the internal diameter of described bolt hole 9
For 20mm, the specification of described bolt 8-3 is M18.
In the present embodiment, the described the brim of a hat 5 is bolted with described connecting rod 4 by bolt 8-3.
In the present embodiment, the cambered surface axis of the described the brim of a hat 5 is parallel with shield machine axis.
The operation principle of described the brim of a hat device 10 is: when described the brim of a hat device 10 is not used by, and the described the brim of a hat fills
Putting 10 utilizes described hydraulic jack 3 to be retracted in cutterhead 11 (as shown in Figure 5)；Easily emit when shield enters
During stratum, top, described the brim of a hat device 10 can utilize described hydraulic jack 3 to stretch out, and extension elongation is according to stratum
Situation determines；Shield is in tunneling process, and due to the barrier effect of the described the brim of a hat 5, the soil body can be to the described the brim of a hat
5 produce active force, thus are effective against the trend of shield machine roof fall；The described the brim of a hat 5 extension elongation is the biggest, phase
Interaction is the biggest, and the ability of opposing shield machine roof fall is the strongest, therefore when constructing on the stratum of easy roof fall, described
The brim of a hat device 10 stretches out, and prevents roof fall by the number of the described the brim of a hat 5 extension elongation.
This utility model i.e. designs the brim of a hat device from the repacking of Suporting structure, overcomes existing construction method in complexity
The shortcoming and defect such as shield machine roof fall poor effect, soil disturbance is big, ground deformation is big are prevented under geological conditions.
It is simple that this device will make to prevent shield roof fall in various geological conditions from becoming more technique, easy to operate, carry
High axial line control quality, decreases soil disturbance and ground deformation.
Above specific embodiment of the utility model is described.It is to be appreciated that this practicality is new
Type is not limited to above-mentioned particular implementation, and those skilled in the art can be within the scope of the claims
Making various deformation or amendment, this has no effect on flesh and blood of the present utility model.
Claims (10)
1. one kind prevents shield the brim of a hat device of roof fall in construction, it is characterised in that including: fixed pedestal,
Hydraulic jack, connecting rod and the brim of a hat, wherein: the side of described fixed pedestal is fixed on directly over shield machine housing
Inner side, the rear end of described hydraulic jack and described fixed pedestal are fixing to be connected；The lower end of described connecting rod and institute
State the fixing connection in front end of hydraulic jack；Fix vertical with the described the brim of a hat of the upper end of described connecting rod is connected.
The most according to claim 1 a kind of prevent the shield the brim of a hat device of roof fall, its feature in construction
Being, the described the brim of a hat is a block plate, and described steel plate bending becomes the 60 ° circular arcs consistent with shield machine housing outer diameter；
The front end of the described the brim of a hat is 45 ° of basils, and rear end is provided with bolt hole.
The most according to claim 2 a kind of prevent the shield the brim of a hat device of roof fall, its feature in construction
Being, the upper end of described connecting rod passes shield machine housing and is provided with bolt hole, the bolt hole on the described the brim of a hat with
Bolt hole in described connecting rod matches, and the described the brim of a hat is bolted with connecting rod by bolt.
The most according to claim 2 a kind of prevent the shield the brim of a hat device of roof fall, its feature in construction
Being, the described the brim of a hat, thickness is 1/10th of width, a length of shield circumference 1/6th.
The most according to claim 2 a kind of prevent the shield the brim of a hat device of roof fall, its feature in construction
Being, the cambered surface axis of the described the brim of a hat is parallel with shield machine axis.
6. prevent shield the brim of a hat device of roof fall in construction according to a kind of described in any one of claim 1-5,
It is characterized in that, the front end of described fixed pedestal is provided with a ring flange, and the front end of described fixed pedestal is additionally provided with spiral shell
Keyhole.
7. prevent shield the brim of a hat device of roof fall in construction according to a kind of described in any one of claim 1-5,
It is characterized in that, described fixed pedestal is monoblock bloom, or is the box-like rigid body being made up of steel plate.
8. prevent shield the brim of a hat device of roof fall in construction according to a kind of described in any one of claim 1-5,
It is characterized in that, the rear end of described hydraulic jack is fixed by flange gasket, ring flange and described fixed pedestal and is connected.
9. prevent shield the brim of a hat device of roof fall in construction according to a kind of described in any one of claim 1-5,
It is characterized in that, described connecting rod is cuboid steel pole, and the lower end of described connecting rod leads to the front end of hydraulic jack
Cross ring flange, the fixing connection of flange gasket.
10. prevent shield the brim of a hat device of roof fall in construction according to a kind of described in any one of claim 1-5,
It is characterized in that, the axis of described connecting rod is vertical with the axis of described hydraulic jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620100383.4U CN205532614U (en) | 2016-02-01 | 2016-02-01 | Prevent that shield from constructing brim of a hat device of roof fall in construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620100383.4U CN205532614U (en) | 2016-02-01 | 2016-02-01 | Prevent that shield from constructing brim of a hat device of roof fall in construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205532614U true CN205532614U (en) | 2016-08-31 |
Family
ID=56775023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620100383.4U Active CN205532614U (en) | 2016-02-01 | 2016-02-01 | Prevent that shield from constructing brim of a hat device of roof fall in construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205532614U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266385A (en) * | 2021-07-19 | 2021-08-17 | 北京建工土木工程有限公司 | Large-section rectangular push bench jacking structure with external brim and construction method thereof |
-
2016
- 2016-02-01 CN CN201620100383.4U patent/CN205532614U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266385A (en) * | 2021-07-19 | 2021-08-17 | 北京建工土木工程有限公司 | Large-section rectangular push bench jacking structure with external brim and construction method thereof |
| CN113266385B (en) * | 2021-07-19 | 2021-10-26 | 北京建工土木工程有限公司 | Large-section rectangular push bench jacking structure with external brim and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |