CN113530562A - Stabilizing mechanism of shield machine and shield machine - Google Patents
Stabilizing mechanism of shield machine and shield machine Download PDFInfo
- Publication number
- CN113530562A CN113530562A CN202110758516.2A CN202110758516A CN113530562A CN 113530562 A CN113530562 A CN 113530562A CN 202110758516 A CN202110758516 A CN 202110758516A CN 113530562 A CN113530562 A CN 113530562A
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- Prior art keywords
- block
- fixedly connected
- oil
- tunneling machine
- shield tunneling
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- 230000000087 stabilizing effect Effects 0.000 title claims abstract description 18
- 230000005641 tunneling Effects 0.000 claims abstract description 14
- 238000001125 extrusion Methods 0.000 claims description 31
- 238000003860 storage Methods 0.000 claims description 18
- 239000003921 oil Substances 0.000 abstract description 33
- 239000010687 lubricating oil Substances 0.000 abstract description 19
- 230000001737 promoting effect Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000009434 installation Methods 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
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/12—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with feed by capillary action, e.g. by wicks
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention provides a stabilizing mechanism of a shield tunneling machine and the shield tunneling machine, which comprises a limiting frame and a rotary cutter head, wherein the limiting frame is clamped with the rotary cutter head, one side of the rotary cutter head, which is close to the limiting frame, is fixedly connected with clamping blocks, the two clamping blocks are symmetrically arranged on the outer surface of the rotary cutter head, which is far away from the clamping blocks, is fixedly connected with a cutter block, clamping ports are formed between the upper end and the lower end of the limiting frame, the clamping blocks are clamped with the corresponding clamping ports, and when the limiting frame and the rotary cutter head are clamped and installed in the shield tunneling machine, the stability between the clamping limiting frame and the rotary cutter head can be further improved through the arrangement of a first pushing block, a second pushing block and an elastic block, meanwhile, lubricating oil can be accurately added to the rotary shaft through the arrangement of a squeezing plate and an oil control plate, the flexibility of the shield tunneling machine is improved, and the problem of rusting of the rotary shaft caused by insufficient contact of the lubricating oil and the rotary shaft is solved, thereby further promoting the stability of the shield machine to a certain extent.
Description
Technical Field
The invention relates to the technical field of shield machine manufacturing, in particular to a shield machine and a stabilizing mechanism thereof.
Background
The shield machine, the whole name is shield tunnel entry driving machine or full-face tunnel entry driving machine, it is a tunnel entry driving machine using shield method, the construction method of the shield is that the entry driving machine lays the supportive section of a tunnel while tunneling, the machine has the characteristic of finishing the tunnel by once excavation, finish by this machine from excavation, propulsion, strutting.
For the convenience of shield constructs the machine and uses in abominable tunnel environment, among the prior art, mode through many times joint is installed pairing rotation blade disc and spacing frame, thereby for shield constructs the machine and provides stability, but, when shield constructs the machine and installs with the mode of joint, because shield constructs the rotatory blade disc of machine and spacing frame is the metal material mostly, consequently, rotatory blade disc and spacing frame are when carrying out the joint, there is certain clearance between metal and the metal, and there is certain slidability between the metal, thereby lead to the produced stability of joint low, be unfavorable for the shield to construct the tunnel.
Disclosure of Invention
The invention aims to provide a stabilizing mechanism of a shield machine and the shield machine, wherein the clamping block is further limited by arranging a first pushing block, a second pushing block and an elastic block so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a shield constructs stabilizing mean and shield constructs machine of machine, includes spacing frame, extrusion piece and accuse oil board, its characterized in that: the bottom fixedly connected with batch oil tank of spacing frame, the accuse oilplate is located the inside of batch oil tank, the equal fixedly connected with gag lever post in both sides that the extrusion piece is located spacing frame inside, the first piece that promotes of bottom fixedly connected with of gag lever post, the inside sliding connection of spacing frame has the elastic block, the elastic block extends to the inside of corresponding spacing mouth.
As a further scheme of the invention: the bottom central point of extrusion piece puts fixedly connected with catch bar, the catch bar runs through the batch oil tank, the fixed cover that has connect the stripper plate on the catch bar is located the inside surface of batch oil tank.
As a still further scheme of the invention: the bottom central point of batch oil tank puts fixedly connected with connecting block, the spout has all been seted up to the inside both sides of connecting block, the internally mounted of connecting block has the sponge, the sponge passes through spout and connecting block sliding connection.
As a still further scheme of the invention: the push rod is located the equal fixedly connected with in both sides of batch oil tank and connecting block linking department and advances oil pipe, advance the top of oil pipe and the bottom surface fixed connection of accuse oiled-plate.
As a still further scheme of the invention: the one end that the elastic block is close to spacing mouthful is the arc setting, one side fixedly connected with second that the elastic block kept away from spacing mouthful promotes the piece.
As a still further scheme of the invention: the second promotes the rear end of piece and has seted up the spacing groove, the inside of spacing groove is provided with first stopper and second stopper, sliding connection has the ball between first stopper and the second stopper, first promotion piece passes through ball and second promotion piece sliding connection.
As a still further scheme of the invention: the extrusion plate is arranged in a wave shape.
A shield tunneling machine comprising the stabilizing mechanism of any one of claims 1 to 7.
Compared with the prior art, the invention has the beneficial effects that:
1. through the arrangement of the first pushing block, the second pushing block and the elastic block, when the shield machine carries out clamping installation on the limiting frame and the rotary cutter head, the stability between the clamping limiting frame and the rotary cutter head can be further improved.
2. Simultaneously, through the setting of stripper plate and accuse oiled-plate, can be accurate add lubricating oil to the axis of rotation to when the shield constructs the machine and rise with rotatory blade disc through the rotation control spacing frame front end of axis of rotation to the stone that hardness is high in the tunnel, promote the flexibility of shield structure machine, solved the problem of the not abundant axis of rotation corrosion that leads to of lubricating oil and axis of rotation contact, thereby further promoted the stability of shield structure machine to a certain extent.
Drawings
Fig. 1 is a partial structural schematic diagram of a stabilizing mechanism of a shield machine and a limiting frame in the shield machine.
Fig. 2 is a perspective view of the connection part of the limiting frame and the rotary cutter head.
Fig. 3 is a perspective view of the rotary cutter head and a part of the limit frame.
Fig. 4 is a schematic structural view of the second pushing block in fig. 1.
Fig. 5 is an enlarged view of a point a in fig. 1.
Fig. 6 is an enlarged view at B in fig. 4.
In the figure: 1. a limiting frame; 2. a card interface; 3. extruding the block; 4. a limiting rod; 5. a first pushing block; 6. a second pushing block; 7. an elastic block; 8. a return spring; 9. an oil storage tank; 10. a piston; 11. a push rod; 12. a pressing plate; 13. a sealing plug; 14. connecting blocks; 15. a chute; 16. a sponge; 17. a rotating shaft; 18. rotating the cutter head; 19. a clamping block; 20. a limiting hole; 21. a cutter block; 22. a limiting groove; 23. a first stopper; 24. a ball bearing; 25. a bearing; 26. a second limiting block; 27. an oil inlet pipe; 28. oil control plate.
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.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1-6, in the embodiment of the present invention, a shield machine and a stabilizing mechanism of a shield machine include a limiting frame 1 and a rotary cutter head 18, where the limiting frame 1 and the rotary cutter head 18 need to be installed on the whole shield machine for use, the limiting frame 1 is connected with the rotary cutter head 18 in a clamping manner, one side of the rotary cutter head 18 close to the limiting frame 1 is fixedly connected with a clamping block 19, two clamping blocks 10 are symmetrically arranged on an outer surface of the rotary cutter head 18, a cutter block 21 is fixedly connected on an outer surface of the rotary cutter head 18 away from the clamping block 19, a plurality of cutter blocks 21 are uniformly arranged on the outer surface of the rotary cutter head 18, the cutter blocks 21 are horizontally arranged on the rotary cutter head 18, a clamping interface 2 is provided between an upper end and a lower end of the limiting frame 1, the clamping block 19 is clamped with a corresponding clamping interface 2, a limiting hole 20 is provided on one side of the rotary cutter head 18 located at the clamping block 19, one side sliding connection that spacing frame 1 is close to rotatory blade disc 18 has extrusion piece 3, extrusion piece 3 is located the equal fixedly connected with gag lever post 4 in the inside both sides of spacing frame 1, the first promotion piece 5 of the bottom fixedly connected with of gag lever post 4, the inside sliding connection of spacing frame 1 has elastic block 7, and elastic block 7 can reduce the gap between joint piece 19 and the joint interface 2 to further promote the stability between joint interface 2 and the joint piece 19, elastic block 7 extends to the inside of corresponding spacing interface 2, and the material of elastic block 7 is the rubber material, can fill the clearance between the metal through elastic block 7 that sets up the rubber material, and simultaneously, elastic block 7 can effectually reduce the relative slip department between metal and the metal, thereby promotes shield structure stabilizing mean's stability.
One side of the elastic block 7 close to the extrusion block 3 is fixedly connected with a second pushing block 6, the rear end of the second pushing block 6 is provided with a limiting groove 22, a first limiting block 23 and a second limiting block 26 are arranged inside the limiting groove 22, the first limiting block 23 is positioned at the top end of the limiting groove 22, the second limiting block 26 is positioned at one side of the limiting groove 22 close to the second pushing block 6, the second pushing block 6 and the limiting groove 22 are both designed in an annular shape, a ball 24 is slidably connected between the first limiting block 23 and the second limiting block 26, one end of the ball 24 close to the first pushing block 5 is fixedly connected with a bearing 25, the first pushing block 5 is fixedly connected with the bearing 25, the first pushing block 5 is slidably connected with the second pushing block 6 through the ball 24, the inner bottom end of the limiting frame 1 is fixedly connected with a reset spring 8, the reset spring 8 can facilitate the reset of the extrusion block 3, so as to facilitate the installation of the rotary cutter head 18, and one end of the two return springs 8 close to the extrusion block 3 is fixedly connected with the bottom of the extrusion block 3.
The bottom central point of spacing frame 1 puts fixedly connected with oil storage tank 9, lubricating oil is equipped with in the inside of oil storage tank 9, when the shield constructs the machine and rises to advance through the rotation control spacing frame 1 front end of axis of rotation 17 and rotatory blade disc 18 of axis of rotation high hardness in the tunnel, promote the flexibility of shield structure machine, solved the problem of the axis of rotation corrosion that lubricating oil and axis of rotation 17 contact are not enough to lead to further promoted the stability of shield structure machine to a certain extent, the bottom fixedly connected with connecting block 14 of oil storage tank 9, the bottom central point fixedly connected with catch bar 11 of extrusion piece 3, catch bar 11 runs through oil storage tank 9 and extends to the inside of connecting block 14, the horizontal through connection in connecting block 14 bottom has axis of rotation 17, axis of rotation 17 rotates with the bottom central point of connecting block 14 to be connected, catch bar 11 is located the fixed stripper plate 12 that has cup jointed on the inside surface of oil storage tank 9, the extrusion plate 12 is arranged in a wave shape and can reduce the impact force of lubricating oil on the extrusion plate 12 when the lubricating oil rocks in the oil storage tank 9, the sealing plug 13 is fixedly connected to the position, through which the push rod 11 at the top of the oil storage tank 9 penetrates, of the sealing plug 13, the lubricating oil in the oil storage tank 9 can be effectively prevented from leaking, the sliding grooves 15 are formed in the two sides of the inside of the connecting block 14, the sponge 16 is arranged in the connecting block 14, the lubricating oil can be promoted to fully lubricate the rotating shaft 17 through the arrangement of the sponge 16, meanwhile, the waste of the lubricating oil is reduced, the sponge 16 is slidably connected with the connecting block 14 through the sliding grooves 15, the piston 10 is clamped at the center of the left side of the oil storage tank 9, the two sides, located at the joint of the oil storage tank 11 and the connecting block 14, of the push rod 11 are fixedly connected with the oil inlet pipe 27, the top of the oil inlet pipe 27 is fixedly connected with the oil control plate 28, and the oil control plate 28 is provided with a plurality of round holes, thereby realizing the addition of the lubricating oil.
The working principle of the invention is as follows: firstly, it should be noted that the whole limit frame 1 and the rotary cutter head 18 need to be installed on the shield machine through the rotating shaft 17 and the connecting block 14, the addition of the lubricating oil is realized through the joint of the piston 10 and the oil storage tank 9, when the limit frame 1 and the rotary cutter head 18 are installed, the extrusion block 3 on the limit frame 1 is extruded through the limit hole 20 on the rotary cutter head 18, because the extrusion block 3 is connected with the limit frame 1 in a sliding manner, and the first pushing block 5 fixedly connected with the extrusion block 3 is connected with the second pushing block 6 in a sliding manner through the ball 24, through the position arrangement of the first limit block 23 and the second limit block 26 inside the limit groove 22 of the second pushing block 6, when the rotary cutter head 18 pushes the extrusion block 3, the first pushing block 5 on the extrusion block 3 can extrude the second pushing block 6, because the second pushing block 6 is limited through the elastic block 7, therefore, when the first pushing block 5 pushes the second pushing block 6, the elastic block 7 can be driven to slide towards the inside of the card interface 2, and it should be noted that, by setting the depths of the extrusion block 3 and the limiting hole 20, after the card interface 2 on the card block 19 on the rotary cutter head 18 and the limiting frame 1 is completely connected, the extrusion block 3 starts to push the second pushing block 6 through the first pushing block 5.
Because the push rod 11 is fixedly connected with the extrusion block 3, the extrusion block 3 is fixedly connected with the push rod 11, the extrusion block 3 can drive the push rod 11 to move downwards when moving downwards, because the extrusion plate 12 is fixedly connected with the push rod 11, the extrusion plate 12 can push lubricating oil in the oil storage tank 9 when moving downwards along with the push rod 11, at the moment, the pressure between the extrusion plate 12 and the oil storage tank 9 filled with the lubricating oil is increased, the lubricating oil enters the inside of the connecting block 14 through the oil control plate 28 and the oil inlet pipe 27 under the action of the extrusion block 3 and is absorbed by the sponge 16, and during the use of the whole shield machine, when the rotary cutter head 18 performs tunneling work, the lubricating oil is added when the whole shield machine shakes, so that the stability of the shield machine can be further improved by timely and fully adding the lubricating oil, the flexibility of the rotation of the rotating shaft 17 is improved, and the condition that the rotating cutter head 18 is unstable due to the friction between the rotating shaft 17 and the connecting block 14 is reduced.
It needs to explain very much, rotatory blade disc and spacing frame joint are prior art's application in this application, and the spacing of elasticity piece and accuse oil board carry out the interpolation of lubricating oil for the innovation point of this application, and it has effectively solved the unstable problem that causes the easy damage of shield structure machine.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a shield constructs stabilizing mean of machine, includes spacing frame (1), extrusion piece (3) and accuse oil board (28), its characterized in that: the bottom fixedly connected with batch oil tank (9) of spacing frame (1), accuse oiled-plate (28) are located the inside of batch oil tank (9), extrusion piece (3) are located the equal fixedly connected with gag lever post (4) in both sides of spacing frame (1) inside, the first piece (5) that promotes of bottom fixedly connected with of gag lever post (4), the inside sliding connection of spacing frame (1) has elastic block (7), elastic block (7) extend to the inside of corresponding spacing mouthful (2).
2. The stabilizing mechanism of the shield tunneling machine according to claim 1, wherein a push rod (11) is fixedly connected to the bottom center of the extrusion block (3), the push rod (11) penetrates through the oil storage tank (9), and an extrusion plate (12) is fixedly sleeved on the outer surface of the push rod (11) inside the oil storage tank (9).
3. The stabilizing mechanism of the shield tunneling machine according to claim 1, wherein a connecting block (14) is fixedly connected to the bottom center of the oil storage tank (9), sliding grooves (15) are formed in both sides of the inside of the connecting block (14), a sponge (16) is installed inside the connecting block (14), and the sponge (16) is slidably connected with the connecting block (14) through the sliding grooves (15).
4. The stabilizing mechanism of the shield tunneling machine according to claim 3, wherein the two sides of the pushing rod (11) at the joint of the oil storage tank (9) and the connecting block (14) are fixedly connected with oil inlet pipes (27), and the top of each oil inlet pipe (27) is fixedly connected with the outer surface of the bottom of the oil control plate (28).
5. The stabilizing mechanism of the shield tunneling machine according to claim 1, wherein one end of the elastic block (7) close to the limiting opening (2) is arc-shaped, and a second pushing block (6) is fixedly connected to one side of the elastic block (7) far away from the limiting opening (2).
6. The stabilizing mechanism of the shield tunneling machine according to claim 5, wherein a limiting groove (22) is formed at the rear end of the second pushing block (6), a first limiting block (23) and a second limiting block (26) are arranged inside the limiting groove (22), a ball (24) is slidably connected between the first limiting block (23) and the second limiting block (26), and the first pushing block (5) is slidably connected with the second pushing block (6) through the ball (24).
7. The stabilizing mechanism of a shield tunneling machine according to claim 1, wherein the squeeze plate (12) is disposed in a wave shape.
8. A shield tunneling machine comprising the stabilizing mechanism of any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110758516.2A CN113530562A (en) | 2021-07-05 | 2021-07-05 | Stabilizing mechanism of shield machine and shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110758516.2A CN113530562A (en) | 2021-07-05 | 2021-07-05 | Stabilizing mechanism of shield machine and shield machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113530562A true CN113530562A (en) | 2021-10-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110758516.2A Withdrawn CN113530562A (en) | 2021-07-05 | 2021-07-05 | Stabilizing mechanism of shield machine and shield machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113530562A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4692062A (en) * | 1984-10-25 | 1987-09-08 | Kabushiki Kaisha Iseki Kaihatsu Koki | Shield type tunneling machine |
| JP2922498B1 (en) * | 1998-06-15 | 1999-07-26 | 川崎重工業株式会社 | Two-stage tunnel excavator |
| CN105507911A (en) * | 2015-12-22 | 2016-04-20 | 中国铁建重工集团有限公司 | Shield machine and cutter head thereof |
| CN107100634A (en) * | 2017-05-25 | 2017-08-29 | 中铁隧道集团有限公司 | A kind of weak broken wall rock location TBM constructing devices |
| CN109236309A (en) * | 2018-10-27 | 2019-01-18 | 重庆大学 | A kind of telescopic cutterhead that can be got rid of poverty after cutter head of shield machine is stuck |
| CN110617394A (en) * | 2019-10-30 | 2019-12-27 | 徐工集团凯宫重工南京股份有限公司 | Maintenance-free shield machine main drive sealing system |
| CN210509179U (en) * | 2019-07-26 | 2020-05-12 | 北京住总集团有限责任公司 | Shield cutter head |
| CN111706345A (en) * | 2020-05-14 | 2020-09-25 | 马鞍山灵山机械设备科技有限公司 | Cutter fixing device of shield machine |
| CN213016359U (en) * | 2020-08-14 | 2021-04-20 | 上海梦奇实业有限公司 | High strength shield constructs cutter head |
| CN213194310U (en) * | 2020-07-27 | 2021-05-14 | 四川宏量基筑建材有限公司 | Synchronizing structure for aerated concrete plate separation |
-
2021
- 2021-07-05 CN CN202110758516.2A patent/CN113530562A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4692062A (en) * | 1984-10-25 | 1987-09-08 | Kabushiki Kaisha Iseki Kaihatsu Koki | Shield type tunneling machine |
| JP2922498B1 (en) * | 1998-06-15 | 1999-07-26 | 川崎重工業株式会社 | Two-stage tunnel excavator |
| CN105507911A (en) * | 2015-12-22 | 2016-04-20 | 中国铁建重工集团有限公司 | Shield machine and cutter head thereof |
| CN107100634A (en) * | 2017-05-25 | 2017-08-29 | 中铁隧道集团有限公司 | A kind of weak broken wall rock location TBM constructing devices |
| CN109236309A (en) * | 2018-10-27 | 2019-01-18 | 重庆大学 | A kind of telescopic cutterhead that can be got rid of poverty after cutter head of shield machine is stuck |
| CN210509179U (en) * | 2019-07-26 | 2020-05-12 | 北京住总集团有限责任公司 | Shield cutter head |
| CN110617394A (en) * | 2019-10-30 | 2019-12-27 | 徐工集团凯宫重工南京股份有限公司 | Maintenance-free shield machine main drive sealing system |
| CN111706345A (en) * | 2020-05-14 | 2020-09-25 | 马鞍山灵山机械设备科技有限公司 | Cutter fixing device of shield machine |
| CN213194310U (en) * | 2020-07-27 | 2021-05-14 | 四川宏量基筑建材有限公司 | Synchronizing structure for aerated concrete plate separation |
| CN213016359U (en) * | 2020-08-14 | 2021-04-20 | 上海梦奇实业有限公司 | High strength shield constructs cutter head |
Non-Patent Citations (1)
| Title |
|---|
| 周骏;张天举: "超大型泥水盾构机刀盘伸缩机构和刀盘结构设计与应用", 建设机械技术与管理, no. 12, pages 59 - 66 * |
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Application publication date: 20211022 |
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| WW01 | Invention patent application withdrawn after publication |