CN206785393U - A kind of shield cutter of improved structure - Google Patents
A kind of shield cutter of improved structure Download PDFInfo
- Publication number
- CN206785393U CN206785393U CN201720705442.5U CN201720705442U CN206785393U CN 206785393 U CN206785393 U CN 206785393U CN 201720705442 U CN201720705442 U CN 201720705442U CN 206785393 U CN206785393 U CN 206785393U
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- Prior art keywords
- cutter
- cutterhead
- heavy
- baffle plate
- heavy tearing
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Abstract
It the utility model is related to shield machine apparatus field, specially a kind of shield cutter of improved structure, it is not reasonable to solve existing cutter setting, security is poor during cutter changing, it is difficult to the degree of wear of effectively monitoring cutter, the problem of cutter easy avalanche, including cutterhead body, cutterhead body surface is provided with Cutting tool installation manner floor in cross, the end of installation floor is provided with scraper base, cutterhead body surface is provided with identical operator arm by installation floor, operator arm both sides are symmetrically arranged with some heavy tearing cutters, heavy tearing cutter edge is provided with heavy tearing cutter baffle plate along operator arm, cutterhead body is provided with cylindrical backplate along its external diameter, cutterhead body center is provided with center fish tail knife.The shield cutter of improved structure described in the utility model is rational in infrastructure, and service life length, the use of heavy tearing cutter baffle plate can realize effective protection to heavy tearing cutter, reduce the incidence that comes off of heavy tearing cutter, ensure construction safety.
Description
Technical field
Shield machine apparatus field is the utility model is related to, specially a kind of shield cutter of improved structure.
Background technology
With the sustained and rapid development of China's economy, the living standard of people increasingly improves, while people hand over for convenient
Logical demand is also growing day by day, and the tunnel in China and subway construction are like a raging fire.Shield construction be widely used in tunnel with
And in subway construction, efficiency of construction is substantially increased, construction cost is reduced, improves construction safety level.Due to China's width
Member is vast, and geologic structure is complicated and changeable, also brings lot of challenges to shield construction, a variety of differences of engineers design for this
The shield cutter of structure type.
China Patent Publication No. is the A of CN 104005770, innovation and creation it is entitled：A kind of spoke type shield cutter, bag
Include cutterhead body and it is multiple be located at cutterhead body periphery and be spaced apart to form the cutterhead disc of multiple first grooves, cutterhead
Main body and each cutterhead disc are fixedly connected to form discoid cutterhead, and cutterhead body is provided with four centre bits in cutterhead body
The mutually Cutting tool installation manner rib of angle at 45 ° that intersects simultaneously is put, Cutting tool installation manner rib includes three the first installations equipped with some hobboing cutters
The the second installation rib of rib and one equipped with some cutting knifes, the second groove, knife are opened up in the both sides of the second installation rib on cutterhead body
Plate convergence plate includes the first disc equipped with some hobboing cutters and the second disc equipped with some cutting knifes, and the first disc and the second disc exist
Cutterhead body surrounding is arranged alternately.This invention by above-mentioned design on cutterhead body and cutterhead disc reasonable Arrangement cutting knife with
Hobboing cutter, on the basis of soil sand flowing smoothly is ensured, improve construction and break ground ability, reduce when being constructed in tunnel recombination stratum
Construction resistance.But there is also cutter hub installation
Shield cutter is also set not reasonable there is cutter at present, and Cutting tool installation manner difficulty is high, security during cutter changing
Difference, it is difficult to the effectively degree of wear of monitoring cutter, cutterhead backside wear is serious, and the problem of cutter easy avalanche.
The content of the invention
The utility model sets not reasonable to solve existing cutter, and Cutting tool installation manner difficulty is high, safety during cutter changing
Property it is poor, it is difficult to the effectively degree of wear of monitoring cutter, cutterhead backside wear is serious, and the problem of cutter easy avalanche, there is provided
A kind of shield cutter of improved structure.
The utility model is achieved by the following technical solution：A kind of shield cutter of improved structure, including cutterhead master
Body, cutterhead body surface are provided with Cutting tool installation manner floor in cross, and the end for installing floor is provided with scraper base, installs rib
Cutterhead body surface is divided into 4 identical sector regions by plate, and identical operator arm is provided with the middle part of each sector region,
Reinforcement is connected between operator arm and Cutting tool installation manner floor, operator arm both sides are symmetrically arranged with some heavy tearing cutters, heavy
Tearing cutter edge is provided with heavy tearing cutter baffle plate along operator arm, and hobboing cutter, scraper seating face are provided with the middle part of Cutting tool installation manner floor
It is provided with edge blade, cutterhead body is respectively arranged with 2 cylindrical hobboing cutters in scraper base exterior lateral area, and cutterhead body is along its external diameter
Cylindrical backplate is provided with, cutterhead body center is provided with center fish tail knife；Heavy tearing cutter baffle plate includes baffle plate matrix, gear
Wear-resistant coating is set on the outside of plate matrix, is provided with cutter groove on baffle plate matrix, cutter groove is provided with heavy tearing cutter, and baffle plate matrix is in heavy type
Tear cutter position is respectively arranged with two shearing resistance pins, and shearing resistance pin is connected with positioning and carves plate, positioning carve plate be fixed on cutter groove with
Between heavy tearing cutter.
Operator arm edge is provided with containment member, and cutterhead is internally provided with the common pressure chamber of gateway and people's lock of maintenance.
People's lock of maintenance, be advantageous to the quick-replaceable of cutter, ensure the job safety of workmen, improve shield-tunneling construction efficiency, from
And effectively reduce construction cost.
Heavy tearing cutter is internally provided with sensor.Heavy tearing cutter is connected with disconnecting link, is easy to effectively safeguard in operator arm
Pressure stability in common pressure chamber, sensor can effectively monitor the degree of wear of cutter, realize quick-replaceable cutter under normal pressure, carry
High construction speed.
Wear-resistant coating uses WC+Ni45 alloy coats, and it uses built-up welding mode to be arranged on baffle plate matrix surface, wear-resistant coating
Thickness is 2 to 4 millimeters.The service life of heavy tearing cutter baffle plate can be effectively improved, is realized to the effectively anti-of heavy tearing cutter
Shield, the incidence that comes off of heavy tearing cutter is reduced, ensure construction safety, ensure construction speed.
Cylindrical shield face is also equipped with wear-resistant coating, can effectively improve the service life of cylindrical backplate, ensures cutterhead
Continuous and effective works.
Scraper seating face is provided with boss, and the position of boss is parallel with the position of scraper and length is identical, the boss height
Not higher than edge blade, effectively protection can be implemented to edge blade, improve its impact resistance, prevent installation bolt fracture from losing
Effect, ensure safety in production.
Heavy tearing cutter baffle plate includes baffle plate matrix, and cutter groove is arranged on the sidepiece of heavy tearing cutter baffle plate, and is inlayed in cutter groove
Embedded with heavy tearing cutter, shearing resistance pin carves plate through positioning, and positioning therein is carved plate and is fixed between cutter groove and heavy tearing cutter,
Be advantageous to its accurate positioning, while it is solid to fix heavy tearing cutter, improves resistance ability, increases the service life.
The utility model has the advantage that compared with prior art is with caused effect：
The shield cutter of improved structure is rational in infrastructure, service life length；The use of heavy tearing cutter baffle plate can be realized pair
Effective protection of heavy tearing cutter, the incidence that comes off of heavy tearing cutter is reduced, ensure construction safety；The setting of operator arm is favourable
In the quick-replaceable of cutter, shield speed is improved；Cylindrical backplate can effectively improve the cylindrical antiwear property of cutterhead, ensure knife
Disk continuous and effective works.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of the utility model heavy type tearing cutter baffle plate；
Fig. 3 is the position relationship structural representation of the utility model heavy type tearing cutter baffle plate and heavy tearing cutter.
In figure：1- cutterhead bodies, 2- operator arms, 3- heavy type tearing cutters, 4- heavy type tearing cutter baffle plates, 41- baffle plate matrixes,
42- wear-resistant coatings, 5- reinforcements, 6- Cutting tool installation manner floors, 7- edge blades, 8- edge blades, the cylindrical hobboing cutters of 9-, 10- scrapers
Plate is carved in seat, the cylindrical backplates of 11-, 12- centers fish tail knife, 13- cutter grooves, 14- shearing resistance pins, 15- positioning.
Embodiment
The utility model is described further with reference to Fig. 1-Fig. 3, a kind of shield cutter of improved structure, including cutterhead
Main body 1, operator arm 2, heavy tearing cutter 3, heavy tearing cutter baffle plate 4, reinforcement 5, hobboing cutter 6, Cutting tool installation manner floor 7, edge are scraped
Plate 15 is carved in knife 8, cylindrical hobboing cutter 9, scraper base 10, cylindrical backplate 11, center fish tail knife 12, cutter groove 13, shearing resistance pin 14 and positioning,
On the surface of cutterhead body 1 circumferentially, heavy tearing cutter 3 is arranged on operator arm 2 both sides, and the side of heavy tearing cutter 3 to operator arm 2
Heavy tearing cutter baffle plate 4 is installed in portion, and operator arm 2 is connected by reinforcement 5 with Cutting tool installation manner floor 7, the middle part of Cutting tool installation manner floor 7
Hobboing cutter 6 is installed, edge blade 8 is arranged on the surface of scraper base 10, and scraper base 10 is connected with Cutting tool installation manner floor 7, and cylindrical hobboing cutter 9 is set
Put and be arranged on the outer surface of cutterhead body 1, the middle part installation center fish tail knife of cutterhead body 1 in the outside of cutterhead body 1, cylindrical backplate 11
12, heavy tearing cutter baffle plate 4 includes baffle plate matrix 41, wear-resistant coating 42 and mounting hole 43；The wear-resistant coating 42 is arranged on gear
The outside of plate matrix 41, mounting hole 43 are arranged in the middle part of baffle plate, and cutter groove 13 is arranged on the sidepiece of heavy tearing cutter baffle plate 4, and cutter groove
Inlay heavy tearing cutter 3 in 13, shearing resistance pin 14 carves plate 15 through positioning, positioning therein carve plate 15 be fixed on cutter groove 13 with
Between heavy tearing cutter 3.Wherein, center fish tail knife 12 is in fish tail shape, can play certain cutting and positioning action.
Operator arm 2 edge is provided with containment member, and cutterhead inner part is provided with the common pressure chamber with gateway, and operator arm 2 connects
Employment lock is safeguarded, is advantageous to the quick-replaceable of cutter, ensures the work safety of engineering staff, improves shield speed, so as to effectively
Reduce construction cost.
Further, heavy tearing cutter 3 is internally provided with sensor, and heavy tearing cutter 3 is connected with disconnecting link, is easy to effectively safeguard
Pressure stability in operator arm 2 in common pressure chamber, can effectively monitor the degree of wear of cutter, realize quick-replaceable knife under normal pressure
Tool, improve construction speed.
Further, wear-resistant coating 42 is wrapped in the outside of baffle plate matrix 41 using built-up welding mode, and wear-resistant coating 42 uses WC+
Ni45 alloy coats；The thickness of wear-resistant coating 42 is 2 to 4 millimeters, can effectively improve the service life of heavy tearing cutter baffle plate 4,
Effective protection to heavy tearing cutter 3 is realized, reduces the incidence that comes off of heavy tearing cutter 3, ensures construction safety, ensures construction
Progress.
Further, the cylindrical surface of backplate 11 is provided with wearing plate, can effectively improve the service life of cylindrical backplate 11, protects
Demonstrate,prove the work of cutterhead continuous and effective.
Further, the surface of scraper base 10 is provided with boss；, can be to edge and the boss height is not higher than edge blade 8
Scraper 8 is implemented effectively to protect, and improves its impact resistance, prevents installation bolt fracture failure, ensures safety in production.
At work, center fish tail knife 12 contacts ground, the heavy tearing cutter 3 of operator arm 2 both sides to the utility model first
Ground falls after ground is torn, and touches hobboing cutter 6 and is further crushed afterwards, now heavy tearing cutter baffle plate 4 is torn to heavy type
Split knife 3 to shield, edge blade coordinates heavy tearing cutter 3 to dig ground, and the ground at the edge of cutterhead body 1 is then by cylindrical rolling
Knife 9 is crushed, and the ground after crushing is further processed by the space between reinforcement 5 and operator arm 2 into cutterhead rear portion；Should
The shield cutter of improved structure is rational in infrastructure, service life length；The use of heavy tearing cutter baffle plate can be realized to be torn to heavy type
Effective protection of knife, the incidence that comes off of heavy tearing cutter is reduced, ensure construction safety；Operator arm is provided with beneficial to cutter
Quick-replaceable, improve shield speed；Cylindrical backplate can effectively improve the cylindrical antiwear property of cutterhead, ensure that cutterhead persistently has
Imitate work.
Claims (5)
1. a kind of shield cutter of improved structure, including cutterhead body（1）, it is characterised in that：Cutterhead body（1）Surface is in cross
Shape is provided with Cutting tool installation manner floor（7）, floor is installed（7）End be provided with scraper base（10）, floor is installed（7）By cutterhead
Main body（1）Surface is divided into 4 identical sector regions, and identical operator arm is provided with the middle part of each sector region（2）, it is main
Tool arm（2）With Cutting tool installation manner floor（7）Between be connected with reinforcement（5）, arm of operating（2）Both sides are symmetrically arranged with some heavy types and torn
Split knife（3）, heavy tearing cutter（3）Edge edge operator arm（2）It is provided with heavy tearing cutter baffle plate（4）, Cutting tool installation manner floor（7）In
Portion is provided with hobboing cutter（6）, scraper base（10）Surface is provided with edge blade（8）, cutterhead body（1）In scraper base（10）LHA
Domain is respectively arranged with 2 cylindrical hobboing cutters（9）, cutterhead body（1）Its external diameter is provided with cylindrical backplate（11）, cutterhead body（1）
Center is provided with center fish tail knife（12）；Heavy tearing cutter baffle plate（4）Including baffle plate matrix（41）, baffle plate matrix（41）Outside
Side sets wear-resistant coating（42）, baffle plate matrix（41）On be provided with cutter groove（13）, cutter groove（13）It is provided with heavy tearing cutter（3）, gear
Plate matrix（41）In heavy tearing cutter（3）Position is respectively arranged with two shearing resistance pins（14）, shearing resistance pin（14）It is fixed to be connected with
Carve plate in position（15）, position and carve plate（15）It is fixed on cutter groove（13）With heavy tearing cutter（3）Between.
2. the shield cutter structure cutterhead of improved structure according to claim 1, it is characterised in that：Heavy tearing cutter（3）It is interior
Portion is provided with sensor.
3. the shield cutter structure cutterhead of improved structure according to claim 1, it is characterised in that：Wear-resistant coating（42）Using
WC+Ni45 alloy coats, it uses built-up welding mode to be arranged on baffle plate matrix（41）Surface, wear-resistant coating（42）Thickness is 2 to 4 millis
Rice.
4. the shield cutter structure cutterhead of improved structure according to claim 1, it is characterised in that：Cylindrical backplate（11）Outside
It is provided with wear-resistant coating.
5. the shield cutter structure cutterhead of improved structure according to claim 1, it is characterised in that：Scraper base（10）Surface is set
Boss is equipped with, and the boss height is not higher than edge blade（8）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720705442.5U CN206785393U (en) | 2017-06-17 | 2017-06-17 | A kind of shield cutter of improved structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720705442.5U CN206785393U (en) | 2017-06-17 | 2017-06-17 | A kind of shield cutter of improved structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206785393U true CN206785393U (en) | 2017-12-22 |
Family
ID=60717817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720705442.5U Active CN206785393U (en) | 2017-06-17 | 2017-06-17 | A kind of shield cutter of improved structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206785393U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108914117A (en) * | 2018-07-25 | 2018-11-30 | 刘常利 | A kind of intensifying method and cutter head of shield machine of cutter head of shield machine |
| CN109798123A (en) * | 2019-03-15 | 2019-05-24 | 吴磊 | Cutter head of shield machine is used in a kind of exploitation of detachable type tunnel |
-
2017
- 2017-06-17 CN CN201720705442.5U patent/CN206785393U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108914117A (en) * | 2018-07-25 | 2018-11-30 | 刘常利 | A kind of intensifying method and cutter head of shield machine of cutter head of shield machine |
| CN109798123A (en) * | 2019-03-15 | 2019-05-24 | 吴磊 | Cutter head of shield machine is used in a kind of exploitation of detachable type tunnel |
| CN109798123B (en) * | 2019-03-15 | 2020-05-22 | 中铁电建重型装备制造有限公司 | Detachable type shield tunneling machine cutter head for tunnel mining |
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| GR01 | Patent grant |