CN216043723U - Cutter head for tunnel shield machine - Google Patents
Cutter head for tunnel shield machine Download PDFInfo
- Publication number
- CN216043723U CN216043723U CN202122047784.1U CN202122047784U CN216043723U CN 216043723 U CN216043723 U CN 216043723U CN 202122047784 U CN202122047784 U CN 202122047784U CN 216043723 U CN216043723 U CN 216043723U
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- cutter
- cutter head
- wear
- knife
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- 230000005641 tunneling Effects 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 description 18
- 238000005299 abrasion Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model relates to the technical field of shield tunneling machines, and discloses a cutter head for a tunnel shield tunneling machine, which comprises a cutter head body, wherein a leading cutter head mechanism is fixedly installed at the front end of the cutter head body, a central cutter mechanism is fixedly installed in the middle of the front end of the cutter head body, the cutter head mechanism is fixedly installed on the outer side of the front end of the cutter head body, a wear-resistant frame is fixedly arranged at the front end of the cutter head body, wear-resistant points are fixedly arranged at the left side and the right side of the wear-resistant frame at the front end of the cutter head body, and a support frame is fixedly installed at the outer side of the central cutter mechanism at the middle of the front end of the cutter head body. According to the cutter head for the tunnel shield machine, the equidistant auxiliary cutter bodies are arranged on the outer side of the advanced cutter body, so that when the advanced cutter body is used, the front end of the advanced cutter body is deep into a wall body, the auxiliary cutter body on the outer side is connected with the wall body on the outer side of the crushing advanced cutter body, and the auxiliary cutter body can increase the working efficiency of the advanced cutter body when the cutting amount of the advanced cutter body is reduced.
Description
Technical Field
The utility model relates to the technical field of shield tunneling machines, in particular to a cutter head for a tunnel shield tunneling machine.
Background
The shield machine is a tunnel driving machine using a shield method, the construction method of the shield is that the driving machine lays supporting segments of a tunnel while driving, the machine has the characteristic of completing the tunnel by one-time excavation, and the excavation, propulsion and support are completed by the machine, so that the underground excavation efficiency of the subway can be improved by 8 to 10 times.
When the cutter head of the existing shield machine works in a sandy gravel stratum, due to the fact that the hardness of pebbles is high, the problems that the torque of the cutter head is too large, the cutter head is clamped and mud cakes are formed and the like can occur in the excavating process, and meanwhile, the pebbles are very serious in abrasion to the cutter head cutter screw machine.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims to provide a cutter head for a tunnel shield machine, which aims to solve the problems that when the cutter head of the existing shield machine works in a sandy gravel stratum, because the hardness of pebbles is high, the torque of the cutter head is overlarge, the cutter head is blocked and cakes are formed in the excavation process, and the like, and meanwhile, the pebbles are seriously abraded to a cutter head cutter screw machine.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a tunnel shield constructs machine blade disc, includes the blade disc body, the front end fixed mounting of blade disc body has preceding sword tool bit mechanism, the middle part fixed mounting of blade disc body front end has central sword mechanism, the outside fixed mounting of blade disc body front end has the blade disc mechanism, the front end fixed mounting of blade disc body has wear-resisting frame, the front end of blade disc body is located the left and right sides fixed setting of wear-resisting frame and has wear point, the middle part of blade disc body front end is located the outside fixed mounting of central sword mechanism and has the support frame, preceding sword tool bit mechanism is including preceding cutter body, auxiliary cutter body and auxiliary cutter head, the outside fixed mounting of preceding cutter body has auxiliary cutter body, the upper end fixed mounting of auxiliary cutter body is provided with auxiliary cutter head.
Preferably, the central knife mechanism comprises a fixing groove, an annular knife, a rotary knife and a central main knife, the annular knife is fixedly mounted at the front end of the fixing groove, the rotary knife is fixedly mounted on the inner side of the annular knife, the central main knife is fixedly mounted in the middle of the central knife mechanism, the annular knife is arranged at the front end of the fixing groove, and the auxiliary rotary knife is convenient to use.
Preferably, the cutter head mechanism comprises a cutter head main body, a protective disc and a fixing bolt, the protective disc is fixedly mounted at the upper end of the cutter head main body, the fixing bolt is fixedly mounted in the inner portion below the protective disc and the inner portion above the cutter head main body, when the device is used, the protective disc can be inserted into a wall body to be cut in advance, the front end of the protective disc is of a knife edge structure, when the device runs, a cut is opened on the wall body in advance, and the cutter head main body is favorably prevented from being damaged by cutting.
Preferably, the advanced cutter body is equidistantly distributed at the front end of the cutter head body, the auxiliary cutter bodies are equidistantly distributed at the outer side of the advanced cutter body, the auxiliary cutter heads are equidistantly distributed at the upper end of the auxiliary cutter body at the outer side of the advanced cutter body, and the auxiliary cutter bodies are arranged at the outer side of the advanced cutter body, so that when the advanced cutter body is used, the outer auxiliary cutter bodies assist the rotation of the advanced cutter body, and the working efficiency of the advanced cutter body is improved.
Preferably, the fixed slot is the equidistance and distributes in the middle part of blade disc body front end, the annular sword is the upper and lower both sides of symmetric distribution in the fixed slot front end, rotatory sword is helical structure, rotatory sword and central main sword are the homogeneous structure, and helical structure's rotatory sword can impel the wall body according to helical structure when cutting the wall body, then all sides's wall body carries out the annular cutting through the annular sword, and the cooperation of rotatory sword and annular sword increases the device and cuts the propulsive work efficiency of wall body cutting, cuts apart the cutting with the wall body simultaneously, the more be convenient for push of this shield structure machine.
Preferably, the protection dish is the upper end that the loop configuration is located the blade disc main part, fixing bolt's left end extends in the outer end of protection dish, fixing bolt's right-hand member extends to the inner of blade disc main part, through setting up fixing bolt, tightly links together protection dish and blade disc main part, and the front end that the protection dish is used for protecting the blade disc main part simultaneously does not receive wearing and tearing in earlier stage.
Preferably, the wearing frame salient is in the front end of blade disc body, the wearing frame is the equidistance and distributes in the front end of blade disc body, the wearing point is the toper structure, the wearing point is both ends about the wearing frame of equidistance distribution blade disc body front end, the front end fixed mounting of wearing frame has sword tool bit mechanism in advance, the inboard fixed mounting of wearing point has sword tool bit mechanism in advance, both ends about the wearing frame is distributed to support frame degree equidistance, and whole blade disc body is great with wall body area of contact, cushions the wearing and tearing of wall body to the blade disc body through setting up wearing frame and wearing point to increase the life of blade disc body.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the cutter head for the tunnel shield machine, the auxiliary cutter body is arranged on the outer side of the prior cutter body, so that when the prior cutter body is used, the front end of the prior cutter body is deep into a wall body, the auxiliary cutter body on the outer side is connected with the wall body on the outer side of the crushing prior cutter body, and the auxiliary cutter body can increase the working efficiency of the prior cutter body when the cutting amount of the prior cutter body is reduced;
2. according to the cutter head for the tunnel shield machine, the protective disc is arranged on the outer side of the cutter head main body, the protective disc and the cutter head main body are tightly connected together through the arrangement of the fixing bolt, and meanwhile, the protective disc is used for protecting the front end of the cutter head main body from being abraded in the early stage of advancing;
3. this tunnel shield constructs machine blade disc, the whole blade disc body of the device is great with wall body area of contact, cushions the wearing and tearing of wall body to the blade disc body through setting up wear frame and wearing point to increase the life of blade disc body.
Drawings
FIG. 1 is a schematic plan view of the present invention;
FIG. 2 is a schematic perspective view of a cutting head mechanism of the first cutter of the present invention;
FIG. 3 is a schematic structural diagram of a cutter head mechanism of the utility model;
FIG. 4 is a schematic structural view of a center blade plane mechanism according to the present invention.
In the figure: 1. a cutter head body; 2. a first cutter head mechanism; 201. a cutter body is arranged in advance; 202. an auxiliary cutter body; 203. an auxiliary cutter head; 3. a center knife mechanism; 301. fixing grooves; 302. a ring knife; 303. a rotary knife; 304. a central main cutter; 4. a cutter head mechanism; 401. a cutter head main body; 402. a protection disk; 403. fixing the bolt; 5. a wear-resistant frame; 6. wear points; 7. a support frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a tunnel shield machine cutterhead comprises a cutterhead body 1, wherein a first cutter head mechanism 2 is fixedly installed at the front end of the cutterhead body 1, a central cutter mechanism 3 is fixedly installed in the middle of the front end of the cutterhead body 1, a cutterhead mechanism 4 is fixedly installed on the outer side of the front end of the cutterhead body 1, a wear-resistant frame 5 is fixedly installed at the front end of the cutterhead body 1, wear-resistant points 6 are fixedly arranged at the left side and the right side of the wear-resistant frame 5 at the front end of the cutterhead body 1, a supporting frame 7 is fixedly installed at the outer side of the central cutter mechanism 3 at the middle of the front end of the cutterhead body 1, the first cutter head mechanism 2 comprises a first cutter body 201, an auxiliary cutter body 202 and an auxiliary cutter head 203, an auxiliary cutter body 202 is fixedly installed at the outer side of the first cutter body 201, and an auxiliary cutter head 203 is fixedly installed at the upper end of the auxiliary cutter body 202;
the central knife mechanism 3 comprises a fixed groove 301, an annular knife 302, a rotary knife 303 and a central main knife 304, the annular knife 302 is fixedly installed at the front end of the fixed groove 301, the rotary knife 303 is fixedly installed on the inner side of the annular knife 302, the central main knife 304 is fixedly installed in the middle of the central knife mechanism 3, the annular knife 302 is arranged at the front end of the fixed groove 301 so as to facilitate the use of the auxiliary rotary knife 303, the cutterhead mechanism 4 comprises a cutterhead main body 401, a protective disc 402 and a fixed bolt 403, the upper end of the cutterhead main body 401 is fixedly provided with the protective disc 402, the inner part below the protective disc 402 and the inner part above the cutterhead main body 401 are fixedly provided with the fixed bolt 403, when the device is used, the protective disc 402 can be inserted into a wall to be cut in advance, the front end of the protective disc 402 is of a knife edge structure, when the device is operated, a cut is opened on the wall in advance, so that the cut of the cutterhead main body 401 is not damaged, the front cutter body 201 is equidistantly distributed at the front end of the cutter head body 1, the auxiliary cutter bodies 202 are equidistantly distributed at the outer side of the front cutter body 201, the auxiliary cutter heads 203 are equidistantly distributed at the upper end of the auxiliary cutter body 202 at the outer side of the front cutter body 201, and the auxiliary cutter bodies 202 are arranged at the outer side of the front cutter body 201, so that when the front cutter body 201 is used, the outer auxiliary cutter body 202 assists the rotation of the front cutter body 201, and the working efficiency of the front cutter body 201 is improved;
the fixed grooves 301 are equidistantly distributed in the middle of the front end of the cutter head body 1, the annular cutters 302 are symmetrically distributed on the upper side and the lower side of the front end of the fixed grooves 301, the rotary cutters 303 are in a spiral structure, the rotary cutters 303 and the central main cutter 304 are in the same structure, when the rotary cutters 303 in the spiral structure cut the wall body, the wall body can be pushed according to the spiral structure, then the wall body on the peripheral side is annularly cut through the annular cutters 302, the working efficiency of the device for cutting and pushing the wall body is improved by matching the rotary cutters 303 and the annular cutters 302, meanwhile, the wall body is cut and cut in a dividing manner, the shield machine is more convenient to push, the protective disc 402 is in an annular structure and is positioned at the upper end of the cutter head body 401, the left end of the fixed bolt extends to the outer end of the protective disc 402, the right end of the fixed bolt 403 extends to the inner end of the cutter head body 401, and the protective disc 402 and the cutter head body 401 are tightly connected together by arranging the fixed bolt 403, protection dish 402 is used for the front end of protection blade disc main part 401 not receive wearing and tearing earlier stage earlier simultaneously, wear-resisting frame 5 salient is in the front end of blade disc body 1, wear-resisting frame 5 is the equidistance and distributes in the front end of blade disc body 1, wear-resisting point 6 is the toper structure, wear-resisting point 6 is both ends about equidistance distribution in blade disc body 1 front end wear-resisting frame 5, the front end fixed mounting of wear-resisting frame 5 has preceding sword tool bit mechanism 2, the inboard fixed mounting of wear-resisting point 6 has preceding sword tool bit mechanism 2, both ends about 7 degrees equidistance distribution wear-resisting frame 5 of support frame, whole blade disc body 1 is great with wall body area of contact, cushion the wearing and tearing of wall body to blade disc body 1 through setting up wear-resisting frame 5 and wear-resisting point 6, thereby increase the life of blade disc body 1.
The working principle is as follows: when the device is used, firstly, the protective disc 402 and the cutter head main body 401 are tightly connected together by arranging the fixing bolt 403, meanwhile, the protective disc 402 is used for protecting the front end of the cutter head main body 401 from being worn in the early stage of the advance, secondly, the auxiliary cutter body 202 is arranged on the outer side of the cutter body 201 in the advance, when the cutter body 201 in the advance is used, the auxiliary cutter body 202 on the outer side assists the rotation of the cutter body 201 in the advance, so that the working efficiency of the cutter body 201 in the advance is increased, then, the rotary cutter 303 with a spiral structure is arranged, when the cutter head main body 1 cuts a wall body, the wall body can be pushed in according to the spiral structure, then, the wall body on the peripheral side is annularly cut by the annular cutter 302, the working efficiency of the device for pushing the wall body is increased by the cooperation of the rotary cutter 303 and the annular cutter 302, meanwhile, the wall body is cut in a dividing and a shield machine is more convenient to push in, and the contact area of the whole cutter head body 1 and a wall body is large, and the abrasion of the wall body to the cutter head body 1 is buffered by arranging the abrasion resistant frame 5 and the abrasion resistant points 6, so that the service life of the cutter head body 1 is prolonged.
Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and that the simple modifications or equivalent substitutions of the technical solutions of the present invention by those of ordinary skill in the art can be made without departing from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. The utility model provides a tunnel shield constructs machine blade disc, includes blade disc body (1), its characterized in that: a front cutter head mechanism (2) is fixedly arranged at the front end of the cutter head body (1), a central knife mechanism (3) is fixedly arranged in the middle of the front end of the cutter head body (1), a cutter mechanism (4) is fixedly arranged on the outer side of the front end of the cutter body (1), a wear-resistant frame (5) is fixedly arranged at the front end of the cutter head body (1), wear-resistant points (6) are fixedly arranged at the left side and the right side of the wear-resistant frame (5) at the front end of the cutter head body (1), the middle part of the front end of the cutter head body (1) is positioned at the outer side of the central cutter mechanism (3) and is fixedly provided with a support frame (7), the cutter head mechanism (2) of the advancing cutter comprises an advancing cutter body (201), an auxiliary cutter body (202) and an auxiliary cutter head (203), an auxiliary cutter body (202) is fixedly arranged on the outer side of the advanced cutter body (201), the upper end of the auxiliary cutter body (202) is fixedly provided with an auxiliary cutter head (203).
2. The cutter head for the tunnel shield machine according to claim 1, wherein: the center knife mechanism (3) comprises a fixing groove (301), an annular knife (302), a rotating knife (303) and a center main knife (304), the annular knife (302) is fixedly mounted at the front end of the fixing groove (301), the rotating knife (303) is fixedly mounted on the inner side of the annular knife (302), and the center main knife (304) is fixedly mounted in the middle of the center knife mechanism (3).
3. The cutter head for the tunnel shield machine according to claim 2, wherein: cutter head mechanism (4) are including cutter head main part (401), protection dish (402) and fixing bolt (403), the upper end fixed mounting of cutter head main part (401) has protection dish (402), the inside of protection dish (402) below and the inside fixed mounting of cutter head main part (401) top have fixing bolt (403).
4. The cutter head for the tunnel shield machine according to claim 3, wherein: the advanced cutter body (201) is equidistantly distributed at the front end of the cutter head body (1), the auxiliary cutter bodies (202) are equidistantly distributed at the outer side of the advanced cutter body (201), and the auxiliary cutter heads (203) are equidistantly distributed at the upper end of the auxiliary cutter body (202) at the outer side of the advanced cutter body (201).
5. The cutter head for the tunnel shield machine according to claim 4, wherein: fixed slot (301) are the equidistance and distribute in the middle part of blade disc body (1) front end, annular sword (302) are the upper and lower both sides of symmetric distribution in fixed slot (301) front end, rotatory sword (303) are helical structure, rotatory sword (303) and central main sword (304) are the homogeneous structure.
6. The cutter head for the tunnel shield machine according to claim 5, wherein: protection dish (402) are the upper end that the loop configuration is located cutter head main part (401), the left end of fixing bolt (403) extends in the outer end of protection dish (402), the right-hand member of fixing bolt (403) extends to the inner of cutter head main part (401).
7. The cutter head for the tunnel shield machine according to claim 6, wherein: wear-resisting frame (5) salient in the front end of blade disc body (1), wear-resisting frame (5) are the equidistance and distribute in the front end of blade disc body (1), wear point (6) are the toper structure, wear point (6) are the equidistance and distribute in both ends about blade disc body (1) front end wear-resisting frame (5), the front end fixed mounting of wear-resisting frame (5) has sword tool bit mechanism (2) in advance, the inboard fixed mounting of wear point (6) has sword tool bit mechanism (2) in advance, both ends about support frame (7) degree equidistance distribution wear-resisting frame (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122047784.1U CN216043723U (en) | 2021-08-28 | 2021-08-28 | Cutter head for tunnel shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122047784.1U CN216043723U (en) | 2021-08-28 | 2021-08-28 | Cutter head for tunnel shield machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216043723U true CN216043723U (en) | 2022-03-15 |
Family
ID=80622368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122047784.1U Expired - Fee Related CN216043723U (en) | 2021-08-28 | 2021-08-28 | Cutter head for tunnel shield machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216043723U (en) |
-
2021
- 2021-08-28 CN CN202122047784.1U patent/CN216043723U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Yanzhong Inventor after: Zhang Hu Inventor after: Wang Dingning Inventor after: Zhang Weifeng Inventor before: Zhang Weifeng |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220315 |