CN110130912A - A kind of earth pressure balance shield machine cutterhead for the construction of Soft Soil Layer benching tunnelling method - Google Patents
A kind of earth pressure balance shield machine cutterhead for the construction of Soft Soil Layer benching tunnelling method Download PDFInfo
- Publication number
- CN110130912A CN110130912A CN201910534693.5A CN201910534693A CN110130912A CN 110130912 A CN110130912 A CN 110130912A CN 201910534693 A CN201910534693 A CN 201910534693A CN 110130912 A CN110130912 A CN 110130912A
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- CN
- China
- Prior art keywords
- cutterhead
- shield machine
- gear
- shield
- circle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000002689 soil Substances 0.000 title claims abstract description 22
- 238000010276 construction Methods 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 60
- 238000005192 partition Methods 0.000 claims abstract description 24
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 22
- 238000009412 basement excavation Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 6
- 208000028804 PERCHING syndrome Diseases 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 244000309464 bull Species 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/04—Driving tunnels or galleries through loose materials; Apparatus therefor not otherwise provided for
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
Abstract
The present invention relates to shield machine technical fields, more particularly to a kind of earth pressure balance shield machine cutterhead for the construction of Soft Soil Layer benching tunnelling method, including the multiple transmission devices being mounted on native storehouse partition, respectively drive multiple cutterheads of shield machine front end, transmission device includes the speed reducer mutually installed with motor, speed reducer is mounted on the input terminal of gear-box by axis, the output end of gear-box is equipped with the transmission shaft for installing cutterhead, it is greater than the length positioned at shield machine lower half circle transmission shaft positioned at the length of shield machine upper semi-circle transmission shaft, so that the distance between the cutterhead being mounted on shield machine upper semi-circle transmission shaft and native storehouse partition are greater than the distance between the cutterhead being mounted on shield machine lower half circle transmission shaft and native storehouse partition, so that the cutterhead of upper semi-circle and the cutterhead interlaced arrangement of lower half circle realize that benching tunnelling method excavates, it is excavated by multi-cutter-disk cooperation to native around The disturbance of body is small, and the stability for improving face is excavated by benching tunnelling method, avoids the problem of ground is easy to happen sedimentation as far as possible.
Description
Technical field
The present invention relates to shield machine technical field more particularly to a kind of soil pressure balance shieldings for the construction of Soft Soil Layer benching tunnelling method
Structure machine knife disk.
Background technique
Shield machine is a kind of tunnel piercing professional equipment, is widely used in constructing metro tunnel.According to the difference on stratum,
Need customized corresponding shield machine.It is conventional use of at present for single round semi shield oil cylinder shield machine for soft soil layer.But
Its cutterhead and driving structure are complicated, and the torque surplus of outfit is larger, single for there is configuration waste in soft soil layer
Circular beater plate torque can not be offset, larger to the disturbance of surrounding soil, be easy that there are surface subsidence.
Summary of the invention
For the problems of in the prior art, a kind of soil pressure for the construction of Soft Soil Layer benching tunnelling method provided by the invention
Balance shield machine cutterhead, avoiding cutter head torque in the prior art as far as possible can not offset, larger to the disturbance of surrounding soil, be easy
There are surface subsidence problems, and a kind of earth pressure balance shield machine cutterhead for the construction of Soft Soil Layer benching tunnelling method of the present invention forms step
It excavates, improves the stability of face.
Technical scheme is as follows:
A kind of earth pressure balance shield machine cutterhead for the construction of Soft Soil Layer benching tunnelling method is more on native storehouse partition including being mounted on
A transmission device, corresponding, shield machine front end is equipped with multiple cutterheads, i.e. a transmission device drives a cutterhead, the biography
Dynamic device includes the speed reducer mutually installed with motor, and speed reducer is mounted on the input terminal of gear-box, the output of gear-box by axis
End is equipped with the transmission shaft for installing cutterhead, is greater than positioned at the length of the transmission shaft of shield machine upper semi-circle and is located at shield machine lower half
The length of round transmission shaft, so that the distance between the cutterhead being mounted on shield machine upper semi-circle transmission shaft and native storehouse partition are greater than
The distance between cutterhead and native storehouse partition for being mounted on shield machine lower half circle transmission shaft, so that the cutterhead of upper semi-circle is under
The cutterhead interlaced arrangement of semicircle, to realize that benching tunnelling method excavates, and the shield body of the shield machine upper semi-circle is to excavation face
Direction protrudes to form brim structure, and in the shield body of upper semi-circle and lower half circle shield body and circumferentially side on the contact surface to excavation face
To setting perching knife.
Specifically, the gear-box is mounted on native storehouse partition, through-hole setting mounting base, gear have been led on native storehouse partition
Case integral installation is in the mounting base that the through-hole is arranged, so that transmission device is integrally fixed on native storehouse partition.
Preferably, the transmission device shares eight, and the corresponding cutterhead shares eight, each transmission device driving one
A independent cutterhead.
Preferably, the cutterhead is divided into semi shield oil cylinder and small cutterhead, semi shield oil cylinder and small cutterhead respectively there are four, shield machine upper half
Circle is provided with a small cutterhead and two cutterheads, and there are two semi shield oil cylinder, shield machine upper semi-circle and shields for the setting of shield machine lower half circle
There are three small cutterheads for setting between two semi shield oil cylinders of machine lower half circle setting.
The gear-box of the transmission device for driving semi shield oil cylinder to rotate is arranged there are three input terminal and an output end,
Three input terminals pass through axis connection respectively speed reducer, transmission shaft is connected on output end, there are three inputs for installation in gear-box
Axis and an output shaft are mounted on pinion gear on input shaft, are equipped with gear wheel on output shaft, three pinion gears respectively with
Gear wheel engagement, so that can be moved synchronously by three motor driven speed reducers, so that three speed reducers drive by the way that axis is synchronous
Gear rotation in gear-box on input shaft, so that the bull gear drive on output shaft, so that being connected to gear-box
The transmission shaft of output end rotates, and drives semi shield oil cylinder rotation.
The gear-box of the transmission device for driving small cutterhead rotation is provided with an output end and an input terminal,
Output end passes through axis connection speed reducer, connects transmission shaft on output end, an output shaft is equipped in gear-box and one defeated
Enter axis, gear and intermeshing are mounted on input shaft and output shaft, to drive speed reducer movement by a motor, subtracts
Fast machine drives the gear movement installed on input shaft in gear-box by axis, so that output shaft drives transmission shaft rotation, band
Move small cutterhead rotation.
Beneficial effects of the present invention: multiple cutterheads are arranged by tunneling end in shield body in the present invention, and are located at shield body upper half
Interlaced arrangement is used between the cutterhead of round cutterhead and shield body lower half circle, is excavated by semi shield oil cylinder and the cooperation of small cutterhead to native around
The disturbance of body is small, and the present invention realizes benching tunnelling method excavation using interlaced arrangement, improves the stability of face, keeps away as far as possible
The problem of ground is easy to happen sedimentation is exempted from.
Detailed description of the invention
Fig. 1 is cutterhead schematic view of the mounting position of the invention；
Fig. 2 is multi-cutter-disk structural schematic diagram of the invention；
Fig. 3 is transmission device schematic view of the mounting position of the invention；
Fig. 4 is semi shield oil cylinder transmission device schematic diagram of the invention；
Fig. 5 is small cutterhead transmission device schematic diagram of the invention；
Description of symbols: 1. shield bodies；2. motor；3. speed reducer；4. native storehouse partition；5. semi shield oil cylinder；6. small cutterhead；7. shovel
Knife；8. transmission shaft；9. gear-box.
Specific embodiment
The present invention will be further described below in conjunction with the drawings of the specification.
Most highly preferred embodiment of the invention is described in detail to attached drawing 5 referring to attached drawing 1, one kind being used for Soft Soil Layer benching tunnelling method
The earth pressure balance shield machine cutterhead of construction, including the multiple transmission devices being mounted on native storehouse partition 4, before respectively driving shield machine
Multiple cutterheads at end, the transmission device include the speed reducer 3 with the installation of 2 phase of motor, and speed reducer 3 is mounted on gear-box by axis
9 input terminal, the output end of gear-box 9 are equipped with the transmission shaft 8 for installing cutterhead, are located at shield machine upper semi-circle transmission shaft 8
Length be greater than positioned at shield machine lower half circle transmission shaft 8 length so that being mounted on the cutterhead on shield machine upper semi-circle transmission shaft 8
The distance between native storehouse partition 4 be greater than be mounted between the cutterhead on shield machine lower half circle transmission shaft 8 and native storehouse partition 4 away from
From, so that the cutterhead interlaced arrangement of the cutterhead of upper semi-circle and lower half circle, to realize that benching tunnelling method excavates, and the shield
The shield body 1 of machine upper semi-circle is protruded to form brim structure to the direction to excavation face, and in the shield body of upper semi-circle 1 and lower half circle shield body
1 with to perching knife 7 peripherally disposed on the contact surface of excavation face.The gear-box 9 is mounted on native storehouse partition 4, in Tu Cang
Through-hole setting mounting base is led on partition 4,9 integral installation of gear-box is in the mounting base that the through-hole is arranged, so that transmission
Device is integrally fixed on native storehouse partition 4.
The transmission device shares eight, and the corresponding cutterhead shares eight, and each transmission device drives an independence
Cutterhead.The cutterhead is divided into semi shield oil cylinder 5 and small cutterhead 6, semi shield oil cylinder 5 and small cutterhead 6 respectively there are four, shield machine upper semi-circle is set
One small cutterhead 6 and two cutterheads are equipped with, there are two semi shield oil cylinder 5, shield machine upper semi-circle and shield machines for the setting of shield machine lower half circle
There are three small cutterheads 6 for setting between two semi shield oil cylinders 5 of lower half circle setting.
There are three input terminals and an output for the setting of gear-box 9 of the transmission device for driving semi shield oil cylinder 5 to rotate
End, three input terminals pass through axis connection respectively speed reducer 3, and transmission shaft 8 is connected on output end, is equipped with three in gear-box 9
A input shaft and an output shaft are mounted on pinion gear on input shaft, gear wheel, three pinion gears are equipped on output shaft
It is engaged respectively with gear wheel, so that speed reducer 3 can be driven to move synchronously by three motors 2, so that three speed reducers 3 pass through axis
Gear rotation in synchronous driving gear-box 9 on input shaft, so that the bull gear drive on output shaft, so that connection
It is rotated in the transmission shaft 8 of 9 output end of gear-box, semi shield oil cylinder 5 is driven to rotate.
The gear-box 9 of the transmission device for driving small cutterhead 6 to rotate is provided with an output end and an input
End, output end connect transmission shaft 8 by axis connection speed reducer 3 on output end, be equipped in gear-box 9 output shaft and
One input shaft is mounted on gear and intermeshing on input shaft and output shaft, to drive speed reducer by a motor 2
3 movements, speed reducer 3 drive the gear movement installed on input shaft in gear-box 9 by axis, so that output shaft drives transmission
Axis 8 rotates, and small cutterhead 6 is driven to rotate.
The present invention resets cutterhead on the basis of not changing original shield machine other equipment, using multiple transmission devices
Multiple cutterheads are respectively driven, through-hole setting mounting base has been led on native storehouse partition 4,9 integral installation of gear-box is arranged in the through-hole
Mounting base on so that transmission device is integrally fixed on native storehouse partition 4.And the cutterhead and shield of shield machine upper semi-circle
The cutterhead of structure machine lower half circle uses interlaced arrangement, makes it possible to realize that benching tunnelling method excavates, is cooperated by semi shield oil cylinder 5 and small cutterhead 6
Excavation is small to the disturbance of surrounding soil, and is excavated in Soft Soil Layer with benching tunnelling method, improves the stability of face, avoids as far as possible
Ground is easy to happen the problem of sedimentation.
Claims (6)
1. a kind of earth pressure balance shield machine cutterhead for the construction of Soft Soil Layer benching tunnelling method, which is characterized in that including being mounted on Tu Cang
Multiple transmission devices on partition (4), corresponding, shield machine front end is equipped with multiple cutterheads, and a transmission device drives one
Cutterhead rotation, the transmission device includes the speed reducer (3) mutually installed with motor (2), and speed reducer (3) is mounted on gear by axis
The input terminal of case (9), the output end of gear-box (9) are equipped with the transmission shaft (8) for installing cutterhead, are located at shield machine upper semi-circle
The length of transmission shaft (8) is greater than the length positioned at shield machine lower half circle transmission shaft (8), so that being mounted on the transmission of shield machine upper semi-circle
The distance between cutterhead on axis (8) and native storehouse partition (4) be greater than the cutterhead that is mounted on shield machine lower half circle transmission shaft (8) with
The distance between native storehouse partition (4)；And the shield body (1) of the shield machine upper semi-circle is protruded to form cap to the direction to excavation face
Eaves structure, and the shield body (1) of the shield body of upper semi-circle (1) and lower half circle with it is peripherally disposed on the contact surface to excavation face
Perching knife (7).
2. a kind of earth pressure balance shield machine cutterhead for the construction of Soft Soil Layer benching tunnelling method as described in claim 1, feature exist
In the gear-box (9) is mounted on native storehouse partition (4), and through-hole setting mounting base, gear-box have been led on native storehouse partition (4)
(9) integral installation is in the mounting base that the through-hole is arranged, so that transmission device is integrally fixed on native storehouse partition (4).
3. a kind of earth pressure balance shield machine cutterhead for the construction of Soft Soil Layer benching tunnelling method as claimed in claim 2, feature exist
In the transmission device shares eight, and the corresponding cutterhead shares eight, and each transmission device drives an independent knife
Disk.
4. a kind of earth pressure balance shield machine cutterhead for the construction of Soft Soil Layer benching tunnelling method as claimed in claim 3, feature exist
Be divided into semi shield oil cylinder (5) and small cutterhead (6) in, the cutterhead, semi shield oil cylinder (5) and small cutterhead (6) respectively there are four, shield machine upper half
Circle is provided with one small cutterhead (6) and two cutterheads, and there are two semi shield oil cylinder (5), shield machine upper semi-circles for the setting of shield machine lower half circle
There are three small cutterhead (6) for setting between two semi shield oil cylinders (5) of shield machine lower half circle setting.
5. a kind of earth pressure balance shield machine cutterhead for the construction of Soft Soil Layer benching tunnelling method as claimed in claim 4, feature exist
In there are three input terminals and an output for gear-box (9) setting of the transmission device for driving semi shield oil cylinder (5) to rotate
End, three input terminals pass through axis connection respectively to be had speed reducer (3), connects transmission shaft (8) on output end, peace in gear-box (9)
Dress is mounted on pinion gear on input shaft there are three input shaft and an output shaft, is equipped with gear wheel on output shaft, and three
Pinion gear is engaged with gear wheel respectively.
6. a kind of earth pressure balance shield machine cutterhead for the construction of Soft Soil Layer benching tunnelling method as claimed in claim 4, feature exist
In the gear-box (9) of the transmission device for driving small cutterhead (6) to rotate is provided with an output end and an input
End, output end connect transmission shaft (8) on output end by axis connection speed reducer (3), be equipped in gear-box (9) one it is defeated
Shaft and an input shaft are mounted on gear and intermeshing on input shaft and output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910534693.5A CN110130912A (en) | 2019-06-20 | 2019-06-20 | A kind of earth pressure balance shield machine cutterhead for the construction of Soft Soil Layer benching tunnelling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910534693.5A CN110130912A (en) | 2019-06-20 | 2019-06-20 | A kind of earth pressure balance shield machine cutterhead for the construction of Soft Soil Layer benching tunnelling method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110130912A true CN110130912A (en) | 2019-08-16 |
Family
ID=67578158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910534693.5A Pending CN110130912A (en) | 2019-06-20 | 2019-06-20 | A kind of earth pressure balance shield machine cutterhead for the construction of Soft Soil Layer benching tunnelling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110130912A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000179287A (en) * | 1998-12-15 | 2000-06-27 | Daiho Constr Co Ltd | Underground excavator |
| CN104088647A (en) * | 2014-06-06 | 2014-10-08 | 中铁工程装备集团有限公司 | Shield tube push bench with super-large rectangular cross section |
| CN105952461A (en) * | 2016-06-17 | 2016-09-21 | 西南交通大学 | Testing apparatus and testing method for simulating improvement of residue earth during earth pressure balance shield construction |
| CN106907158A (en) * | 2017-05-13 | 2017-06-30 | 中铁隧道集团有限公司 | A kind of super-large-diameter shield cutter disc system for hard-soft heterogeneous ground |
| CN206346743U (en) * | 2016-12-28 | 2017-07-21 | 中铁工程装备集团有限公司 | A kind of shield excavates system with big cross section horse-shoe tunnel |
| CN109630147A (en) * | 2019-01-14 | 2019-04-16 | 中铁工程装备集团有限公司 | A kind of engagement type multi-cutter-disk excavating device and the development machine including the device |
| CN109826636A (en) * | 2019-04-11 | 2019-05-31 | 中铁工程装备集团有限公司 | A kind of shield machine suitable for high ground stress soft rock stress stratum |
| CN210152655U (en) * | 2019-06-20 | 2020-03-17 | 中铁工程服务有限公司 | Earth pressure balance shield tunneling machine cutter head for soft soil layer step construction |
-
2019
- 2019-06-20 CN CN201910534693.5A patent/CN110130912A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000179287A (en) * | 1998-12-15 | 2000-06-27 | Daiho Constr Co Ltd | Underground excavator |
| CN104088647A (en) * | 2014-06-06 | 2014-10-08 | 中铁工程装备集团有限公司 | Shield tube push bench with super-large rectangular cross section |
| CN105952461A (en) * | 2016-06-17 | 2016-09-21 | 西南交通大学 | Testing apparatus and testing method for simulating improvement of residue earth during earth pressure balance shield construction |
| CN206346743U (en) * | 2016-12-28 | 2017-07-21 | 中铁工程装备集团有限公司 | A kind of shield excavates system with big cross section horse-shoe tunnel |
| CN106907158A (en) * | 2017-05-13 | 2017-06-30 | 中铁隧道集团有限公司 | A kind of super-large-diameter shield cutter disc system for hard-soft heterogeneous ground |
| CN109630147A (en) * | 2019-01-14 | 2019-04-16 | 中铁工程装备集团有限公司 | A kind of engagement type multi-cutter-disk excavating device and the development machine including the device |
| CN109826636A (en) * | 2019-04-11 | 2019-05-31 | 中铁工程装备集团有限公司 | A kind of shield machine suitable for high ground stress soft rock stress stratum |
| CN210152655U (en) * | 2019-06-20 | 2020-03-17 | 中铁工程服务有限公司 | Earth pressure balance shield tunneling machine cutter head for soft soil layer step construction |
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