CN209228369U - A kind of flap arrangement in shield soil cabin - Google Patents
A kind of flap arrangement in shield soil cabin Download PDFInfo
- Publication number
- CN209228369U CN209228369U CN201821596448.4U CN201821596448U CN209228369U CN 209228369 U CN209228369 U CN 209228369U CN 201821596448 U CN201821596448 U CN 201821596448U CN 209228369 U CN209228369 U CN 209228369U
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- China
- Prior art keywords
- soil
- soil cabin
- shield
- flashboard
- cabin
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Abstract
The utility model discloses the flap arrangements in a kind of shield soil cabin, soil cabin longitudinal profile is in up-small and down-big trapezoidal, flap arrangement is set in the soil cabin of shield machine, is in the drive shaft being transversely and horizontally set and the flashboard being fixed in drive shaft in soil cabin including at least two.The utility model has the advantages that: enable to geostatic shield in the soil cabin of balancing earth-pressure shielding machine controllable, so that theoretical initial soil pressure is more closely, to reduce the disturbing influence in balancing earth-pressure shielding machine work progress to surrounding formation in soil pressure and excavation face.
Description
Technical field
The utility model belongs to shield tunnel technical field, and in particular to the flap arrangement in a kind of shield soil cabin.
Background technique
In balancing earth-pressure shielding machine work progress, the stability of excavation face be directly related to shield-tunneling construction to ambient enviroment with
The influence of building and structures, in the shield machine of existing spoke wheel, spoke wheel relies primarily on the soil in soil cabin
Pressure is balanced with excavation face, to prevent excavation face from unstability occurs and occur to collapse or deform.However, native in practical application
Distribution pattern of the soil pressure in excavation face and the original horizontal earth pressure differing distribution of excavation face in cabin is larger, and in soil cabin
The size of soil pressure influenced by control of slagging tap.Therefore, the soil pressure size control during shield tunnel construction in soil cabin
Difficulty is big.When the soil pressure in soil cabin differs larger with the horizontal pressure force of excavation face, shield-tunneling construction will be increased in the process to week
The disturbing influence of exclosure layer, to influence ambient enviroment and building and structures.
In addition, spoke wheel shield machine in cutter inspection and during cutter changing, need it is with pressure operated, it is such as logical
It crosses to form mud film, then excavation face is balanced by air pressure.Reliable mud film formation process is complicated in the process, and air pressure is flat
Weighing apparatus control difficulty is big, therefore the risk of replacement cutter is big in tunnel.
It is therefore desirable to improve to be difficult to balance with the soil pressure overcome the problems, such as in soil cabin to soil cabin.
Summary of the invention
The purpose of this utility model is according to the flashboard in place of above-mentioned the deficiencies in the prior art, provided in a kind of shield soil cabin
Device, the flap arrangement adjust the pressure of horizontal position each in soil cabin by the way that multiple rotatable flashboards are arranged in soil cabin
Control, improves the balanced capacity to shield machine soil cabin pressure.
The utility model aim realization is completed by following technical scheme:
A kind of flap arrangement in shield soil cabin, which is characterized in that the flap arrangement is set in the soil cabin of shield machine,
It in the drive shaft that is transversely and horizontally set and is fixed in the drive shaft in the soil cabin including at least two
Flashboard.
The flashboard rectangular plate structure.
Flashboard longitudinal length when in a horizontal state is the 4/5- of the soil cabin depth of locating horizontal position
9/10。
The transverse width of the flashboard is the 3/4-9/10 of the soil cabin width of locating horizontal position.
The same horizontal position has been positioned apart from multiple independent drive shafts and the flashboard.
The drive shaft and the flashboard thereon are successively spaced apart from top to bottom in the soil cabin.
The siding of the soil cabin is obliquely installed, cutterhead of the siding upper end close to the shield machine, the siding lower end
Far from the cutterhead, to keep the longitudinal profile of the soil cabin in a rectangular trapezoid；The drive shaft in the horizontal plane with it is described
The cutterhead of the siding of soil cabin and the shield machine is equidistant.
The flashboard upper front end is provided with several soil pressure sensors, the soil pressure sensor and the drive shaft
Communication connection.
A kind of working method for the flap arrangement being related in any shield soil cabin, which is characterized in that the work
Method is described the following steps are included: soil pressure case incudes soil pressure Data Concurrent in current soil cabin in real time send to drive shaft
Drive shaft is adjusted the rotational angle of the affiliated flashboard according to the soil pressure data of place horizontal position.
The range of the rotational angle of the flashboard is 0-180 degree, and the angle of the flashboard and vertical plane is with the soil pressure
Data reduce and increase.
The utility model has the advantages that: (1) enable to geostatic shield in the soil cabin of plate spoke balancing earth-pressure shielding machine
Controllably, so that theoretical initial soil pressure is more closely, to reduce plate spoke earth pressure balanced shield, EPBS tunnel in soil pressure and excavation face
To the disturbing influence of surrounding formation in road work progress；(2) when cutterhead replaces cutter, soil cabin is separated by flashboard,
The soil pressure stability for improving tool changing region, thus the risk during reducing cutter changing.
Detailed description of the invention
Fig. 1 is the side under the flashboard horizontality of the flap arrangement in shield soil cabin a kind of in the utility model embodiment
Schematic cross-sectional view；
Fig. 2 is the side under the flashboard heeling condition of the flap arrangement in shield soil cabin a kind of in the utility model embodiment
Schematic cross-sectional view；
Fig. 3 is the front cross-sectional structural schematic diagram in the utility model embodiment in soil cabin.
Specific embodiment
The feature of the utility model and other correlated characteristics are made further specifically by embodiment below in conjunction with attached drawing
It is bright, in order to the understanding of technical staff of the same trade:
Such as Fig. 1-3, in figure label 1-8 be respectively as follows: flashboard 1, siding 2, cutterhead 3, drive shaft 4, cutterhead driving device 5,
Screw conveyor 6, shield machine 7, soil cabin 8.
Embodiment: as shown in Figure 1-3, the present embodiment is specifically related to flap arrangement and its work side in a kind of shield soil cabin
Method regulates and controls the pressure of each horizontal position in soil cabin 8 by the way that multiple rotatable flashboards 1 are arranged in soil cabin 8, improves
To the balanced capacity of 8 pressure of soil cabin of shield machine 7.
As shown in Figure 1-3, the flap arrangement in shield soil cabin in the present embodiment is set in the soil cabin 8 of shield machine 7, wrap
At least two are included in soil cabin 8 in the drive shaft 4 that is transversely and horizontally set and the flashboard 1 being fixed in drive shaft 4,
The successively interval setting from top to bottom in soil cabin 8 of each drive shaft 4 and flashboard 1 thereon, specifically can be along vertical straight line or
Angled straight lines are spaced apart.Drive shaft 4 is located at 1 center of flashboard and through flashboard 1, flashboard 1 may be configured as rectangle or
The plate structure of ellipse.Several soil pressure cases, soil pressure case and 4 communication connection of drive shaft, soil are provided in soil cabin 8
Pressure sensor is directly monitored the soil pressure of each horizontal position in soil cabin 8, and monitoring result is sent to drive shaft
4, then flashboard 1 is controlled by drive shaft 4, processing is balanced to the pressure in each region in soil cabin 8, it realizes according to soil
Soil pressure distribution in cabin 8 adjusts the angle of flashboard 1, so that the theoretical soil pressure on the geostatic shield and excavation face in soil cabin 8
Distribution is close.Flashboard 1 rotates in soil cabin 8 under the driving of drive shaft 4, can control 8 inner part region of soil cabin and its
The connected state in his region, and then the water and soil flow regime in soil cabin 8 can be controlled, realization carries out the pressure in soil cabin 8 flat
Weighing apparatus.
As shown in figures 1 and 3, soil cabin 8 of the longitudinal length when in a horizontal state of flashboard 1 close to locating horizontal position
The longitudinal length of depth, flashboard 1 can be the 4/5-9/10 of 8 depth of soil cabin of locating horizontal position, and wherein 8 depth of soil cabin refers to together
The distance of one horizontal position wainscot 2 and cutterhead 3.The transverse width of flashboard 1 and 8 width of soil cabin of locating horizontal position are close,
The transverse width of flashboard 1 is the 3/4-9/10 of 8 width of soil cabin of locating horizontal position, and wherein 8 width of soil cabin is on horizontal position
The distance of two 8 inner sidewalls of soil cabin.
As shown in figure 3, for 8 partial region of soil cabin, there are mechanical structures, can not be arranged in same level one it is complete
The case where whole flashboard 1, single flashboard 1 is divided into muti-piece.Also it is equivalent to, the same horizontal position has been positioned apart from multiple
Independent drive shaft 4 and flashboard 1.The flashboard of single flashboard 1 and multiple interval flashboards 1 can be used in same soil cabin 8
Device, to reach the control for carrying out earth pressure balance to each horizontal position to greatest extent.Mechanical structure includes but is not limited to knife
Disk drive device 5, soil pressure detection device, cutterhead apparatus for examination and repair 5.
As depicted in figs. 1 and 2, the siding 2 of soil cabin 8 is obliquely installed, 2 upper end of siding of soil cabin 8 close to cutterhead 3, soil cabin 8
2 lower end of siding is far from cutterhead 3.Drive shaft 4 is equidistant with siding 2 and cutterhead 3 in the horizontal plane.Existing shield machine soil cabin
In 8, led to the situation that 8 low pressure of soil cabin is big and upper pressure is small by settlement influence, using the siding 2 being obliquely installed to soil cabin
The pressure equilibrium treatment of 8 top and the bottom.With the middle position that drive shaft 4 is arranged in soil cabin 8, so that flashboard 1 also can be maximum
Limit is adjusted and manages to the soil pressure of 8 each region of soil cabin.The bottom of soil cabin 8 is connected to screw conveyor 6, by soil cabin 8
The dregs of bottom takes out, and in the pressure equalization process of soil cabin 8, is controlled in soil cabin 8 by the rotational angle of the flashboard 1 of bottommost
Square dregs flows to bottom speed, is controlling dregs take-off speed by screw conveyor 6, is realizing more perfect to 8 bottom of soil cabin
Soil pressure control.
As shown in Figure 1-3, the working method for the flap arrangement being related in above-mentioned shield soil cabin, comprising the following steps: in shield
In 7 tunneling process of structure machine, soil pressure sensor incudes each soil pressure Data Concurrent in current soil cabin 8 in real time and send to drive shaft 4,
Drive shaft 4 is adjusted according to rotational angle of the place soil pressure force data to affiliated flashboard 1.The rotational angle of flashboard 1
Range is 0-180 degree, angle increase with the reduction of soil pressure force data of flashboard and vertical plane.Driving of the flashboard 1 in drive shaft 4
Lower realization can counterclockwise turn 90 degrees in soil cabin 8 and can turn 90 degrees clockwise, wherein the folder of flashboard 1 and vertical line
Angle is bigger, and the soil body being cut in soil cabin 8 is less susceptible to fall, then in the soil cabin 8 in flashboard 1 to upper one piece of soil cabin 8 flashboard 1 it
Between 8 region of soil cabin horizontal earth pressure it is bigger.
As shown in Figure 1, shield machine 7 in the present embodiment is when replacing the cutter of cutterhead 3, under the control of drive shaft 4
Flashboard 1 is in horizontality, and soil cabin 8 is divided into the stable region of multiple pressure by flashboard 1 at this time, in each region of soil cabin 8
In mud film is more readily formed, thus the risk during reducing cutter changing
Advantage of this embodiment is that: enable to geostatic shield in the soil cabin 8 of plate spoke balancing earth-pressure shielding machine controllable,
So that theoretical initial soil pressure is more closely, to reduce plate spoke earth pressure balanced shield, EPBS constructing tunnel in soil pressure and excavation face
In the process to the influence of surrounding formation.When cutterhead 3 replaces cutter, soil cabin 8 is separated by flashboard, improves tool changing region
Soil pressure stability, thus the risk during reducing cutter changing.
Claims (8)
1. the flap arrangement in a kind of shield soil cabin, which is characterized in that the flap arrangement is set in the soil cabin of shield machine, packet
It includes at least two and in the drive shaft that is transversely and horizontally set and is fixed in the drive shaft in the soil cabin
Flashboard.
2. the flap arrangement in a kind of shield soil cabin according to claim 1, which is characterized in that the flashboard is rectangle
Plate structure.
3. the flap arrangement in a kind of shield soil cabin according to claim 2, which is characterized in that the flashboard is in level
Longitudinal length when state is the 4/5-9/10 of the soil cabin depth of locating horizontal position.
4. the flap arrangement in a kind of shield soil cabin according to claim 2, which is characterized in that the flashboard it is laterally wide
Degree is the 3/4-9/10 of the soil cabin width of locating horizontal position.
5. the flap arrangement in a kind of shield soil cabin according to claim 1, which is characterized in that the same horizontal position interval
Ground is provided with multiple independent drive shafts and the flashboard.
6. the flap arrangement in a kind of shield soil cabin according to claim 1, which is characterized in that the drive shaft and its
On the flashboard be successively spaced apart from top to bottom in the soil cabin.
7. the flap arrangement in a kind of shield soil cabin according to claim 1, which is characterized in that the siding of the soil cabin inclines
Tiltedly setting, the siding upper end is close to the cutterhead of the shield machine, and the siding lower end is far from the cutterhead, to make the soil
The longitudinal profile in cabin is in a rectangular trapezoid；The drive shaft knife with the siding of the soil cabin and the shield machine in the horizontal plane
Disk is equidistant.
8. the flap arrangement in a kind of shield soil cabin according to claim 1, which is characterized in that the flashboard upper front end
It is provided with several soil pressure sensors, the soil pressure sensor and the drive shaft communication connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821596448.4U CN209228369U (en) | 2018-09-29 | 2018-09-29 | A kind of flap arrangement in shield soil cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821596448.4U CN209228369U (en) | 2018-09-29 | 2018-09-29 | A kind of flap arrangement in shield soil cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209228369U true CN209228369U (en) | 2019-08-09 |
Family
ID=67499361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821596448.4U Active CN209228369U (en) | 2018-09-29 | 2018-09-29 | A kind of flap arrangement in shield soil cabin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209228369U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139024A (en) * | 2018-09-29 | 2019-01-04 | 华东交通大学 | Flap arrangement and its working method in a kind of shield soil cabin |
-
2018
- 2018-09-29 CN CN201821596448.4U patent/CN209228369U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139024A (en) * | 2018-09-29 | 2019-01-04 | 华东交通大学 | Flap arrangement and its working method in a kind of shield soil cabin |
| CN109139024B (en) * | 2018-09-29 | 2023-11-14 | 华东交通大学 | Gate device in shield soil cabin and working method thereof |
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