CN109538227A - A kind of novel shield cutterhead for compound stratum - Google Patents
A kind of novel shield cutterhead for compound stratum Download PDFInfo
- Publication number
- CN109538227A CN109538227A CN201811645294.8A CN201811645294A CN109538227A CN 109538227 A CN109538227 A CN 109538227A CN 201811645294 A CN201811645294 A CN 201811645294A CN 109538227 A CN109538227 A CN 109538227A
- Authority
- CN
- China
- Prior art keywords
- spoke
- accessory whorl
- main wheel
- blade
- knife
- 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
- 150000001875 compounds Chemical class 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 238000005299 abrasion Methods 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 239000003516 soil conditioner Substances 0.000 claims abstract description 7
- 241001347978 Major minor Species 0.000 claims abstract description 4
- 239000002689 soil Substances 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 244000309464 bull Species 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D9/087—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 with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D9/0642—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield having means for additional processing at the front end
- E21D9/0678—Adding additives, e.g. chemical compositions, to the slurry or the cuttings
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a kind of novel shield cutterhead for compound stratum, including main wheel spoke, accessory whorl spoke and wear-resisting steel plate, the main wheel spoke and accessory whorl spoke are separately mounted on cutterhead front；The main wheel spoke is cross-shaped structure, and the middle section of the main wheel spoke is equipped with double-edged hobbing cutter, single-blade hob is equipped on four endpoints of the main wheel spoke, is additionally provided with face-side doctor blade on the main wheel spoke；The accessory whorl spoke is provided with 8, and the accessory whorl spoke is separated for one group by major-minor wheel with 2, and is equipped with face-side doctor blade and edge blade on one of accessory whorl spoke of every group of accessory whorl spoke, is also equipped with single-blade hob on the accessory whorl spoke；The wear-resisting steel plate is mounted on main wheel spoke and accessory whorl spoke, and abrasion detection knife and soil conditioner inlet are disposed on the wear-resisting steel plate.This aperture opening ratio is big, installation is simple, use cost is low, high reliablity, and drivage efficiency is high.
Description
Technical field
The present invention relates to shield machine technical fields, more particularly to a kind of novel shield cutterhead for compound stratum.
Background technique
Shield machine entitled shielding tunnel excavator entirely is that a kind of special engineering of tunnel piercing is mechanical, by continuously improving
And development, become the state-of-the-art subterranean tunnel development machine in the current world.It integrates mechanical, electrical, liquid, sensing, information technology, can
Operation under conditions of not influencing state of ground greatly improves efficiency, the safety of construction compared with traditional construction mode, reduces
The Tunnel Engineering such as subway, railway, highway, municipal administration, water power are widely applied in cost.
Component one of of the cutterhead as shield machine most critical, main function to the chip soil body and to driving face
Support.The configuration of the cutter of cutterhead, cutter excavate the reasonable layout and soil conditioner spout arrangement of track, reasonable knife
The design of dish opening and the wear design of cutter head structure are the important leverages of shield machine high efficient driving.
Shield composite cutter is taken inventory in following several disadvantages at present:
1, existing shield cutter hobboing cutter form is excessive, has four swords, six swords, eight swords and eccentric hobboing cutter, is not easy to building site
Cutter prepares and replacement, and use cost is high, installs and is easy error.
2, Tu Cang is entered by the opening of shield cutter after the broken rock and soil of tunnel tunnel face, the opening of cutterhead is a knife
The area of dish opening part and the ratio of cutterhead area, aperture opening ratio is bigger, and dregs mobility is better, and existing shield machine is compoundly
The opening of layer cutterhead is usually no more than 30%, and especially central opening rate is smaller, is easy to " mud lining " in use,
Seriously affect shield machine drivage efficiency.
Summary of the invention
The object of the present invention is to provide a kind of novel shield cutterhead for compound stratum, central opening rate is big, installation is simple
It is single, use cost is low, high reliablity, substantially increase the drivage efficiency of shield machine.
In order to solve the above technical problem, the present invention provides a kind of novel shield cutterheads for compound stratum, including master
Spoke, accessory whorl spoke and wear-resisting steel plate, the main wheel spoke and accessory whorl spoke are separately mounted on cutterhead front；
The main wheel spoke is cross-shaped structure, and the middle section of the main wheel spoke is equipped with double-edged hobbing cutter, the main wheel spoke
Four endpoints on single-blade hob is installed, be additionally provided with face-side doctor blade on the main wheel spoke；
The accessory whorl spoke is provided with 8, and the accessory whorl spoke is separated for one group by major-minor wheel with 2, and every group of accessory whorl spoke
Face-side doctor blade and edge blade are installed on one of accessory whorl spoke, are also equipped with single-blade hob on the accessory whorl spoke；
The wear-resisting steel plate is mounted on main wheel spoke and accessory whorl spoke, and abrasion detection knife and soil are disposed on the wear-resisting steel plate
Earth modifying agent inlet.
It preferably, further include gauge knife and wear ring, the gauge knife and wear ring are separately positioned on cutterhead
On circumference.
Specifically, cutterhead circumferencial direction is provided with circumference gauge knife and wear ring, it is disposed with wearing plate on panel, guarantees
The wear-resisting property of entire cutterhead.
Preferably, two endpoints up and down of the main wheel spoke are provided with edge blade.
Preferably, knife of backbreaking is additionally provided on the cutterhead circumference.
Specifically, the flexible excavation to change cutterhead for knife of backbreaking can be passed through when needing to carry out attitude of shield machine adjustment
Diameter, to guarantee that shield machine has enough pose adjustment spaces.
Preferably, the single-blade hob, double-edged hobbing cutter, face-side doctor blade and edge blade are respectively arranged with tool apron.
Preferably, the face-side doctor blade and edge blade are welded with hard alloy.
Preferably, the soil conditioner inlet is that back is detachable.
Preferably, the double-edged hobbing cutter and single-blade hob, knife of backbreaking are respectively twolip shell knife, single-blade shell
Knife, shell type are backbreak knife.
The present invention provides a kind of novel shield cutterhead for compound stratum, has the advantages that
(1) shield cutter described in the invention only arranges that there are two types of hobboing cutters, and tool category is few, and installation is simple, cost
It is low；
(2) shield cutter central opening described in the invention is big, improves the mobility that cutterhead excavates the soil body, guarantees
Central area is not easy " mud lining "；
(3) shield cutter hobboing cutter cutter described in the invention can be changed to for differently according to different stratum
The cutter of layer, applicability are wide；
(6) shield cutter described in the invention is provided with abrasion detection knife, the knife up of abrasion detection knife and rolling
The knife up of knife or scraper is identical, and when tool wear formula, oil pocket can be revealed inside abrasion detection knife, by the pressure drop of hydraulic oil, from
And it may determine that the abrasion condition of cutter.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of novel shield cutterhead for compound stratum provided in an embodiment of the present invention.
Appended drawing reference: 1, main wheel spoke；2, accessory whorl spoke；3, wear-resisting steel plate；4, double-edged hobbing cutter；5, single-blade hob；6, front is scraped
Knife；7, edge blade；8, abrasion detection knife；9, soil conditioner inlet；10, gauge knife；11, it backbreaks knife.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, a kind of novel shield cutterhead for compound stratum of the preferred embodiment of the present invention, including main wheel spoke 1,
Accessory whorl spoke 2 and wear-resisting steel plate 3, the main wheel spoke 1 and accessory whorl spoke 2 are separately mounted on cutterhead front；
The main wheel spoke 1 is cross-shaped structure, and the middle section of the main wheel spoke is equipped with double-edged hobbing cutter 4, the main wheel
Single-blade hob 5 is installed on four endpoints of spoke 1, is additionally provided with face-side doctor blade 6 on the main wheel spoke 1；
The accessory whorl spoke 2 is provided with 8, and the accessory whorl spoke is separated for one group by major-minor wheel with 2, and every group of accessory whorl spoke 2
One of accessory whorl spoke 2 on face-side doctor blade 6 and edge blade 7 are installed, be also equipped with single-blade hob 5 on the accessory whorl spoke 2；
The wear-resisting steel plate 3 is mounted on main wheel spoke 1 and accessory whorl spoke 2, is disposed with abrasion detection knife on the wear-resisting steel plate 3
8 and soil conditioner inlet 9.
Specifically, the novel shield cutterhead for compound stratum of above-described embodiment, has the advantages that
(1) shield cutter described in the invention only arranges that there are two types of hobboing cutters, and tool category is few, and installation is simple, cost
It is low；
(2) shield cutter central opening described in the invention is big, improves the mobility that cutterhead excavates the soil body, guarantees
Central area is not easy " mud lining "；
(3) shield cutter hobboing cutter cutter described in the invention can be changed to for differently according to different stratum
The cutter of layer, applicability are wide；
(6) shield cutter described in the invention is provided with abrasion detection knife 8, the knife up of abrasion detection knife 8 with
The knife up of hobboing cutter or scraper is identical, and when tool wear formula, 8 inside oil pocket of abrasion detection knife can be revealed, by the pressure drop of hydraulic oil,
So as to judge the abrasion condition of cutter.
It preferably, further include gauge knife 10 and wear ring, the gauge knife 10 and wear ring are separately positioned on knife
On the circumference of disk.
Specifically, cutterhead circumferencial direction is provided with circumference gauge knife 10 and wear ring, it is disposed with wearing plate on panel, is protected
The wear-resisting property of entire cutterhead is demonstrate,proved.
Preferably, two endpoints up and down of the main wheel spoke 1 are provided with edge blade 7.
Preferably, knife 11 of backbreaking is additionally provided on the cutterhead circumference.
Specifically, when needing to carry out attitude of shield machine adjustment, opening for cutterhead can be changed by the flexible of knife 11 of backbreaking
Diameter is dug, to guarantee that shield machine has enough pose adjustment spaces.
Preferably, the single-blade hob 5, double-edged hobbing cutter 4, face-side doctor blade 6 and edge blade 7 are respectively arranged with knife
Seat.
Preferably, the face-side doctor blade 6 and edge blade 7 are welded with hard alloy.
Preferably, the soil conditioner inlet 9 is that back is detachable.
Preferably, the double-edged hobbing cutter 4 and single-blade hob 5, knife 11 of backbreaking are respectively twolip shell knife, single-blade
Shell knife, shell type are backbreak knife 11.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these are improved and replacement
Also it should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of novel shield cutterhead for compound stratum, it is characterised in that: including main wheel spoke, accessory whorl spoke and wear-resisting steel plate,
The main wheel spoke and accessory whorl spoke are separately mounted on cutterhead front；
The main wheel spoke is cross-shaped structure, and the middle section of the main wheel spoke is equipped with double-edged hobbing cutter, the four of the main wheel spoke
Single-blade hob is installed on a endpoint, is additionally provided with face-side doctor blade on the main wheel spoke；
The accessory whorl spoke is provided with 8, and the accessory whorl spoke is separated for one group by major-minor wheel with 2, and every group of accessory whorl spoke is wherein
Face-side doctor blade and edge blade are installed on one accessory whorl spoke, are also equipped with single-blade hob on the accessory whorl spoke；
The wear-resisting steel plate is mounted on main wheel spoke and accessory whorl spoke, and abrasion detection knife is disposed on the wear-resisting steel plate and soil changes
Good dose of inlet.
2. being used for the novel shield cutterhead of compound stratum as described in claim 1, it is characterised in that: further include gauge knife and resistance to
Bull ring, the gauge knife and wear ring are separately positioned on the circumference of cutterhead.
3. being used for the novel shield cutterhead of compound stratum as described in claim 1, it is characterised in that: above and below the main wheel spoke
Two endpoints are provided with edge blade.
4. being used for the novel shield cutterhead of compound stratum as described in claim 1, it is characterised in that: on the cutterhead circumference also
It is provided with knife of backbreaking.
5. being used for the novel shield cutterhead of compound stratum as described in claim 1, it is characterised in that: the single-blade hob, double
Sword hobboing cutter, face-side doctor blade and edge blade are respectively arranged with tool apron.
6. being used for the novel shield cutterhead of compound stratum as described in claim 1, it is characterised in that: the face-side doctor blade and side
Edge scraper is welded with hard alloy.
7. being used for the novel shield cutterhead of compound stratum as described in claim 1, it is characterised in that: the soil conditioner note
Entrance is that back is detachable.
8. being used for the novel shield cutterhead of compound stratum as described in claim 1, it is characterised in that: the double-edged hobbing cutter and
Single-blade hob, knife of backbreaking are respectively that twolip shell knife, single-blade shell knife, shell type are backbreak knife.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811645294.8A CN109538227A (en) | 2018-12-30 | 2018-12-30 | A kind of novel shield cutterhead for compound stratum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811645294.8A CN109538227A (en) | 2018-12-30 | 2018-12-30 | A kind of novel shield cutterhead for compound stratum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109538227A true CN109538227A (en) | 2019-03-29 |
Family
ID=65831667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811645294.8A Pending CN109538227A (en) | 2018-12-30 | 2018-12-30 | A kind of novel shield cutterhead for compound stratum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109538227A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0321792A (en) * | 1989-06-19 | 1991-01-30 | Kumagai Gumi Co Ltd | Excavation method of noncircular tunnel |
| CN101539022A (en) * | 2009-04-24 | 2009-09-23 | 中铁二局股份有限公司 | Earth pressure balance shield machine cutterhead |
| JP2015021342A (en) * | 2013-07-22 | 2015-02-02 | 株式会社奥村組 | Cutter disk of shield machine and shield machine with the same |
| CN205532616U (en) * | 2015-10-27 | 2016-08-31 | 中铁十四局集团有限公司 | Pass through yellow river slurry shield machine knife dish and muddy water circulation device under complex geological environment |
| CN206681745U (en) * | 2017-03-31 | 2017-11-28 | 北京市市政四建设工程有限责任公司 | A kind of cutter head of shield machine suitable for mudstone stratum |
| CN108150184A (en) * | 2018-01-19 | 2018-06-12 | 辽宁三三工业有限公司 | The full stratum cutterhead of large-diameter earth pressure balance shield machine |
-
2018
- 2018-12-30 CN CN201811645294.8A patent/CN109538227A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0321792A (en) * | 1989-06-19 | 1991-01-30 | Kumagai Gumi Co Ltd | Excavation method of noncircular tunnel |
| CN101539022A (en) * | 2009-04-24 | 2009-09-23 | 中铁二局股份有限公司 | Earth pressure balance shield machine cutterhead |
| JP2015021342A (en) * | 2013-07-22 | 2015-02-02 | 株式会社奥村組 | Cutter disk of shield machine and shield machine with the same |
| CN205532616U (en) * | 2015-10-27 | 2016-08-31 | 中铁十四局集团有限公司 | Pass through yellow river slurry shield machine knife dish and muddy water circulation device under complex geological environment |
| CN206681745U (en) * | 2017-03-31 | 2017-11-28 | 北京市市政四建设工程有限责任公司 | A kind of cutter head of shield machine suitable for mudstone stratum |
| CN108150184A (en) * | 2018-01-19 | 2018-06-12 | 辽宁三三工业有限公司 | The full stratum cutterhead of large-diameter earth pressure balance shield machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190329 |
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| RJ01 | Rejection of invention patent application after publication |