CN208966343U - A kind of shield machine soil cutting device - Google Patents
A kind of shield machine soil cutting device Download PDFInfo
- Publication number
- CN208966343U CN208966343U CN201820727357.3U CN201820727357U CN208966343U CN 208966343 U CN208966343 U CN 208966343U CN 201820727357 U CN201820727357 U CN 201820727357U CN 208966343 U CN208966343 U CN 208966343U
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- China
- Prior art keywords
- shield machine
- knife chain
- chain
- cutting device
- soil
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- 239000002689 soil Substances 0.000 title claims abstract description 59
- 230000007246 mechanism Effects 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 16
- 238000010276 construction Methods 0.000 abstract description 9
- 230000005641 tunneling Effects 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 6
- 230000001276 controlling effect Effects 0.000 description 22
- 238000009412 basement excavation Methods 0.000 description 19
- 230000000694 effects Effects 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a kind of shield machine soil cutting device, which includes several vertical knife chains being set on the soil cabin siding of shield machine front end, lateral knife chain and the small cutterhead of rotation.During shield machine driving, the driving attitude of the shield machine is adjusted by controlling the rotation direction of vertical knife chain and/or lateral knife chain.The utility model has the advantages that: the steering by controlling the knife chain of soil cutting device can flexibly control the driving attitude of shield machine, prevent occurring shift phenomenon in tunneling process；The ability that knife chain cuts stratum is strong, can accelerate shield machine driving speed, shortens construction period, reduces cutter changing.
Description
Technical field
The utility model relates to shield machine technical fields, and in particular to a kind of shield machine soil cutting device.
Background technique
Shield machine overall quality is larger, and its front end includes various power-equipments, cutterhead, and soil cabin siding etc. leads to shield
The head weight of machine is greater than its aft weight.When shield machine is during tunneling construction, easily generation shield machine front is pressed into
In soil layer, cause shield machine direction of advance that downward offset occurs, i.e. bundle head phenomenon, and traditional shield machine is generally using rotation
Rotatable cutterhead, the direction of advance and posture of shield machine can only control adjustment by the jack of shield drive end unit.However, this
The method flexibility adjusted by jack is poor, shifts from shield machine to the longer distance of correction needs is completed, certain
When special stratum is excavated, the driving route deviation value of shield machine can even exceed code requirement.
In addition, the direction of advance of shield machine changes in 3 in Curve Segment and slope change location, shield machine is needed to have
Good direction handling quality.And the upper performance of method control is poor in front for traditional rotating cutter head shield machine, causes to construct
Axis and design axis have certain offset.
At the same time, traditional rotating cutter head needs shield machine shield shell to provide torque when excavation face is cut in rotation, because
This shield shell during tunneling construction inevitably twists, thus it is certain by receiving just to have completed assembled shield tunnel
Twisting resistance, section of jurisdiction is easy to happen dislocation and deformation is even damaged, and percolating water occurs so as to cause tunnel.Meanwhile it is traditional
Rotating cutter head is by the safety cutter on cutterhead face, and cutter is weaker to the cutting power of the soil body, and cutter total amount is less.
Summary of the invention
The purpose of this utility model is to provide a kind of shield machine soil cutting according in place of above-mentioned the deficiencies in the prior art
Device, the soil cutting device adjust shield by the rotation direction of vertical knife chain and lateral knife chain on control soil cabin siding
Driving attitude of the machine in tunneling process.
The utility model aim realization is completed by following technical scheme:
A kind of shield machine soil cutting device, it is characterised in that the soil cutting device includes being set to shield machine front end
Several vertical knife chains, lateral knife chain and the small cutterhead of rotation on portion's soil cabin siding.
The vertical knife chain rectangular array shape is laid in the middle part of the soil cabin siding, and the transverse direction knife chain is laid respectively
Above and below the vertical knife chain region.
The vertical knife chain and the lateral knife chain by pedrail mechanism and are arranged at intervals at the pedrail mechanism surface
On cutter formed.
The small cutterhead of rotation is laid in the vertical knife chain and does not cover on the soil cabin siding with the lateral knife chain
Region in, be laid with cutter on the small cutterhead of the rotation.
The cutter can be the combination of one or both of scraper, hobboing cutter.
It is a kind of to be related to the application method of any shield machine soil cutting device, it is characterised in that the application method
The following steps are included: being adjusted during shield machine driving by controlling the rotation direction of vertical knife chain and/or lateral knife chain
The driving attitude of the whole shield machine.
When the driving attitude of the shield machine is offset up, by controlling the rotation direction of the vertical knife chain,
The down force that native face is met to increase the excavation face soil body to the vertical knife chain, restores driving attitude to normal attitude；When
When the driving attitude of the shield machine is offset downward, the rotation direction of the vertical knife chain is controlled, to increase excavation face soil
Body meets the upward active force in native face to the vertical knife chain, restores driving attitude to normal attitude.
When the generation of the driving attitude of the shield machine deviates to the right, by controlling the rotation direction of the lateral knife chain,
The active force to the left that native face is met to increase the excavation face soil body to the lateral knife chain, restores driving attitude to normal attitude；When
When the driving attitude of the shield machine deviates to the left, by controlling the lateral knife chain, to increase excavation face to the lateral knife
Chain meets the active force to the right in native face, restores driving attitude to normal attitude.
When the driving attitude of the shield machine, which twists, to be deviated, while controlling the vertical knife chain and the lateral knife
The rotation direction of chain adjusts the driving attitude of the shield machine.
When the shield machine is in normal driving attitude, the soil of meeting of a part of vertical knife chain is rotated upwardly, separately
The soil of meeting of a part of vertical knife chain rotates downwards so that the excavation face soil body to the upward active force of the vertical knife chain with
Down force keeps population equilibrium；The native face of meeting of a part of lateral knife chain turns left, transverse direction knife described in another part
The native face of meeting of chain turns right, so that the excavation face soil body keeps total with active force to the right to the active force to the left of the lateral knife chain
Body balance.
The utility model has the advantages that: the steering by controlling cutterhead upper slitter chain can flexibly control the driving appearance of shield machine
State prevents occurring shift phenomenon in tunneling process；The setting of knife chain enhances the ability on cutting stratum, can accelerate shield machine driving
Speed shortens construction period, reduces cutter changing.
Detailed description of the invention
Fig. 1 is vertical, the lateral knife chain and the small cutterhead arrangement of rotation in the utility model on shield machine soil cutting device
Schematic diagram；
Fig. 2 is the cross-sectional view of shield machine in the utility model；
Fig. 3 is the structural schematic diagram of vertical knife chain in the utility model.
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 1-9 be respectively as follows: soil cabin siding 1, vertical knife chain 2, lateral knife chain 3, the small cutterhead 4 of rotation,
Rotate small cutterhead 5, shield shell 6, pedrail mechanism 7, cutter 8, screw conveyor 9.
Embodiment: as shown in Figure 1-3, the present embodiment is specifically related to a kind of shield machine soil cutting device and its application side
Method, the soil cutting device are set on the soil cabin siding 1 of shield machine front end, including vertical knife chain 2, lateral knife chain 3, rotation
Small cutterhead 4 and the small cutterhead 5 of rotation, the rotation direction by controlling vertical knife chain 2, lateral knife chain 3, which is realized, tunnels appearance to shield machine
The control of state.
As shown in Figure 1-3,6 front end of shield shell of shield machine is soil cabin in the present embodiment, soil cutting device is specifically to set
It sets on the soil cabin siding 1 of soil cabin front end face, including vertical knife chain 2, lateral knife chain 3, the small cutterhead 4 of rotation, the small cutterhead 5 of rotation.It is perpendicular
The middle part of soil cabin siding 1 is laid in 2 rectangular array shape of knife chain, specifically, vertical knife chain 2 there are two rows seven in the present embodiment
Column, between each vertical knife chain 2 there are certain intervals but be unlikely to excessive so that each vertical knife chain 2 can be freely rotated
Do not interfere with each other, and will not because apart from it is excessive due to cause exist can not excessively scratch excavation area.Lateral knife chain 3 is laid in perpendicular respectively
To the top and lower section of knife chain 2, specifically, two cross are laid in the top and lower section of vertical knife chain 2 respectively in the present embodiment
To knife chain 3, the interval between two lateral knife chains 3 is similar with the interval setting between vertical knife chain 2.Rotate small cutterhead 4 with
And the small cutterhead 5 of rotation is scattered and is laid in vertical knife chain 2 and the lateral unlapped region on soil cabin siding 1 of knife chain 3, rotates small
Cutterhead 4 and the diameter for rotating small cutterhead 5 be not identical, can be by the basic all standing of excavation face, in order to avoid remaining can not excessively connect
The excavation area contacted.
As Figure 2-3, soil cutting device is set to the front of shield machine, and vertical knife chain 2 is with lateral knife chain 3 by shoe
It is formed with mechanism 7 and the cutter 8 for being arranged at intervals on 7 surface of pedrail mechanism.Cutter 8 can be one of scraper, hobboing cutter or
Two kinds of person combinations can specifically install the scraper of different number according to strata condition to be excavated on vertical knife chain 2 and lateral knife chain 3
And hobboing cutter, it may be assumed that when excavating that regional stratum is harder or stone is more, selection is installed on vertical knife chain 2 and transverse direction knife chain 3
More hobboing cutter is used for broken rock, and scraper quantity is then relatively fewer, for cutting soil；When regional stratum to be excavated is softer or
When person's stone is less, more scraper is installed on vertical knife chain 2 and lateral knife chain 3, and hobboing cutter quantity is then relatively fewer.It rotates small
Cutter is equally installed to cut excavation face on cutterhead 4 and the small cutterhead 5 of rotation.
As Figure 2-3, vertical knife chain 2 carries out vertical rotating by the drive of pedrail mechanism 7, and pacifies on vertical knife chain 2
Equipped with cutter 8, to constantly carry out scratching realization excavation to excavation face stratum with cutter 8.Similarly, lateral knife chain 3 can be into
Row lateral rotation, band cutter 8 constantly scratch excavation face stratum, and rotate small cutterhead 4 and the small cutterhead 5 of rotation can
It does and rotates around its axle center, the cutter installed thereon in rotary course also scratches excavation contact surface.Above-mentioned three kinds scratch
Mode carries out simultaneously, cuts the dregs come and is sent by screw conveyor 9 to soil cabin, excavates soil layer soil cabin pressure to adjust
Power directly transports away.Since the ability on knife chain cutting stratum is strong, the soil cutting device of shield machine is made to have powerful open
Digging ability not only can be reduced the replacement of cutter, may also speed up the speed of shield machine driving, shortens construction period.
Soil cutting device based on above-mentioned shield machine, the present embodiment provides a kind of applications of shield machine soil cutting device
Method, method includes the following steps: in the tunneling process of shield machine, by controlling vertical knife chain 2 and/or lateral knife chain 3
Rotation direction adjust the driving attitude of shield machine.Main (the institute in the present embodiment in the following several ways of specific control method
The offset of the shield machine of finger is using the direction of advance of shield machine as reference direction):
(1) when the driving attitude of shield machine is offset up, by controlling the rotation direction of the vertical knife chain 2 of each group,
The down force that native face is met to increase the excavation face soil body on the whole to vertical knife chain 2, moves downward shield machine, thus shield
It is normal that the driving attitude of structure machine is able to adjustment and recovery；
(2) when the driving attitude of shield machine is offset downward, by controlling the rotation direction of the vertical knife chain 2 of each group,
The upward active force that native face is met to increase the excavation face soil body on the whole to vertical knife chain 2, moves upwards shield machine, thus shield
It is normal that the driving attitude of structure machine is able to adjustment and recovery；
(3) when the generation of the driving attitude of shield machine deviates to the left, by controlling the rotation direction of each group transverse direction knife chain 3,
The active force to the right that native face is met to increase the excavation face soil body on the whole to lateral knife chain 3, moves right shield machine, thus shield
It is normal that the driving attitude of structure machine is able to adjustment and recovery；
(4) when the generation of the driving attitude of shield machine deviates to the right, by controlling the rotation direction of each group transverse direction knife chain 3,
The active force to the left that native face is met to increase the excavation face soil body on the whole to lateral knife chain 3, moves downward shield machine, thus shield
It is normal that the driving attitude of structure machine is able to adjustment and recovery；
(5) when the driving attitude of shield machine occurs to deviate to upper left side, by controlling the rotation direction of vertical knife chain 2,
The native face of meeting of vertical knife chain 2 is set to be applied downward reaction force by stratum is excavated；The rotation for controlling lateral knife chain 3 is controlled simultaneously
Direction makes the native face of meeting of lateral knife chain 3 be applied reaction force to the right by excavating stratum, two reaction force collective effects in
Shield machine moves it to the right, so that the driving attitude of shield machine is adjusted；
(6) when the driving attitude of shield machine occurs to deviate to upper right side, by controlling the rotation direction of vertical knife chain 2,
Vertical knife chain 2 is set to be applied downward reaction force by stratum is excavated；The rotation direction for controlling lateral knife chain 3 is controlled simultaneously,
So that lateral knife chain 3 is applied reaction force to the left by excavating stratum, two reaction force collective effects in shield machine make its to
Lower left movement, so that the driving attitude of shield machine is adjusted；
(7) when lower section offset to the left occurs for the driving attitude of shield machine, the rotation direction of vertical knife chain 2 is controlled, makes to erect
Applied upward reaction force by stratum is excavated to knife chain 2；The rotation direction for controlling lateral knife chain 3 is controlled simultaneously, makes transverse direction
Knife chain 3 is made it to upper right side by the reaction force of stratum application to the right, two reaction force collective effects are excavated in shield machine
Movement, so that the driving attitude of shield machine is adjusted；
(8) when the generation of the driving attitude of shield machine deviates to the right, the rotation direction of vertical knife chain 2 is controlled, makes to erect
Applied upward reaction force by stratum is excavated to knife chain 2；The rotation direction for controlling lateral knife chain 3 is controlled simultaneously, makes transverse direction
Knife chain 3 is made it to upper left side by the reaction force of stratum application to the left, two reaction force collective effects are excavated in shield machine
Movement, so that the driving attitude of shield machine is adjusted；
(9) when shield machine is with normal posture tunneling construction, following control measure should be taken for vertical knife chain 2:
The native face of meeting for controlling each vertical knife chain 2 of top half is all rotated to the same direction, while controlling lower half portion
The native face of meeting of each vertical knife chain 2 is all rotated in the opposite direction, so that the vertical knife chain 2 of upper and lower part be made to be opened
The reaction force for digging stratum is equal in magnitude, contrary, and the two is cancelled out each other, and stress is in equilibrium state on the whole, thus
Stablize the posture holding of shield machine in the vertical direction constant；
And following control measure should be taken for lateral knife chain 3: positioned at the number of the lateral knife chain 3 on 1 top of soil cabin siding
Amount is 2, is respectively in left and right and symmetrical, and the lateral knife chain 3 for controlling arranged on left and right sides is rotated in a reverse direction, thus
Keep the two equal in magnitude, contrary by the reaction force for excavating stratum, the two is cancelled out each other, and stress is in flat on the whole
Weighing apparatus state, so that it is constant to stablize the posture holding of shield machine in the horizontal direction；Two groups positioned at 1 lower part of soil cabin siding are lateral
Knife chain 3 is done in the same fashion control.
This application method in the construction process can the driving attitude to shield machine effectively controlled, adjust flexible operation
Simplicity, adjustment time is short, shifts from shield machine short to the required distance of correction is completed, to guarantee the driving road of shield machine
Line deviation value is without departing from construction requirement.
The beneficial effect of the present embodiment is: the steering by controlling soil cabin siding upper slitter chain can flexibly control shield machine
Driving attitude prevents occurring shift phenomenon in tunneling process；The setting of knife chain enhances the ability on cutting stratum, can accelerate shield
Machine driving speed shortens construction period, reduces cutter changing.
Claims (4)
1. a kind of shield machine soil cutting device, it is characterised in that the soil cutting device includes being set to shield machine front end
Several vertical knife chains on soil cabin siding, lateral knife chain and the small cutterhead of rotation, the vertical knife chain and the lateral knife chain by
Pedrail mechanism and the cutter being arranged at intervals on the pedrail mechanism surface are formed.
2. a kind of shield machine soil cutting device according to claim 1, it is characterised in that the vertical knife chain is in rectangle
Array-like is laid in the middle part of the soil cabin siding, and the transverse direction knife chain is laid in the upper of the vertical knife chain region respectively
Side and lower section.
3. a kind of shield machine soil cutting device according to claim 2, it is characterised in that the small cutterhead of rotation is laid
In the vertical knife chain and the lateral knife chain on the soil cabin siding in unlapped region, cloth on the small cutterhead of rotation
Equipped with cutter.
4. a kind of shield machine soil cutting device according to claim 1, it is characterised in that the cutter can be scraper,
The combination of one or both of hobboing cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820727357.3U CN208966343U (en) | 2018-05-16 | 2018-05-16 | A kind of shield machine soil cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820727357.3U CN208966343U (en) | 2018-05-16 | 2018-05-16 | A kind of shield machine soil cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208966343U true CN208966343U (en) | 2019-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820727357.3U Expired - Fee Related CN208966343U (en) | 2018-05-16 | 2018-05-16 | A kind of shield machine soil cutting device |
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| CN (1) | CN208966343U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571324A (en) * | 2018-05-16 | 2018-09-25 | 华东交通大学 | A kind of shield machine soil cutting device and its application process |
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2018
- 2018-05-16 CN CN201820727357.3U patent/CN208966343U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571324A (en) * | 2018-05-16 | 2018-09-25 | 华东交通大学 | A kind of shield machine soil cutting device and its application process |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190611 |