CN108798691B - TBM shield body anti-blocking device - Google Patents
TBM shield body anti-blocking device Download PDFInfo
- Publication number
- CN108798691B CN108798691B CN201810938396.2A CN201810938396A CN108798691B CN 108798691 B CN108798691 B CN 108798691B CN 201810938396 A CN201810938396 A CN 201810938396A CN 108798691 B CN108798691 B CN 108798691B
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- Prior art keywords
- shield
- telescopic
- front shield
- tbm
- arc
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- 230000005641 tunneling Effects 0.000 claims abstract description 31
- 238000010276 construction Methods 0.000 claims abstract description 8
- 239000003381 stabilizer Substances 0.000 claims description 19
- 239000011435 rock Substances 0.000 abstract description 6
- NMFHJNAPXOMSRX-PUPDPRJKSA-N [(1r)-3-(3,4-dimethoxyphenyl)-1-[3-(2-morpholin-4-ylethoxy)phenyl]propyl] (2s)-1-[(2s)-2-(3,4,5-trimethoxyphenyl)butanoyl]piperidine-2-carboxylate Chemical compound C([C@@H](OC(=O)[C@@H]1CCCCN1C(=O)[C@@H](CC)C=1C=C(OC)C(OC)=C(OC)C=1)C=1C=C(OCCN2CCOCC2)C=CC=1)CC1=CC=C(OC)C(OC)=C1 NMFHJNAPXOMSRX-PUPDPRJKSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005422 blasting Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- -1 light Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- E21D9/0875—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 movable support arm carrying cutting tools for attacking the front face, e.g. a bucket
- E21D9/0879—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 movable support arm carrying cutting tools for attacking the front face, e.g. a bucket the shield being provided with devices for lining the tunnel, e.g. shuttering
-
- 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
- E21D9/093—Control of the driving shield, e.g. of the hydraulic advancing cylinders
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)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention provides a TBM shield anti-seizing device, which solves the problem of anti-seizing and escaping during tunneling work of a TBM tunneling machine. According to the invention, the front shield is arranged at the front part of the TBM shield body, the front shield is of a semi-annular structure with an opening at the upper part, the opening at the upper part of the front shield is connected with a front shield telescopic part capable of moving up and down, a main driving box is arranged in an annular shape formed by the front shield and the front shield telescopic part, the rear part of the front shield is connected with a telescopic outer shield, the upper part of the telescopic outer shield is provided with an opening matched with the front shield, the opening at the upper part of the telescopic outer shield is provided with a telescopic outer shield telescopic part capable of shrinking inwards, the inside of the telescopic outer shield is slidably provided with a telescopic inner shield, and the main driving box is connected with the telescopic inner shield through a driving device. The invention has simple structure, can carry out local structure innovation on the original TBM tunneling machine, can achieve the purposes of surrounding rock convergence early warning and anti-seizing and escaping and reducing construction risk when the TBM tunneling machine is used for tunneling work, and saves the cost of equipment replacement.
Description
Technical Field
The invention relates to the technical field of heading machine equipment, in particular to a TBM shield anti-blocking device.
Background
The TBM is a (full face) tunnel boring machine. The method is divided into a hard rock tunnel boring machine and a generalized shield machine. The construction procedures of tunneling, supporting, deslagging and the like are carried out continuously in parallel, and the tunnel construction equipment is industrial production line tunnel construction equipment integrated by systems of machinery, electricity, liquid, light, gas and the like, has the advantages of high tunneling speed, environmental protection, high comprehensive benefit and the like, can realize the construction of a deep buried long tunnel with complex geographic and geomorphology which is difficult to realize by the traditional drilling and blasting method, and is rapidly growing in tunnel engineering such as China railway, hydropower, traffic, mine, municipal administration and the like.
When the TBM tunneling machine is used for tunneling work at present, when poor geological conditions such as high ground stress, surrounding rock crushing (IV and V type surrounding rock), high surrounding rock convergence degree, high convergence speed, lower rock strength and the like are met, the TBM tunneling machine is required to be capable of performing radial contraction so as to prevent the TBM tunneling machine from being blocked and difficult to continue tunneling construction.
Disclosure of Invention
In order to solve the problem that the TBM tunneling machine needs to prevent blocking and getting rid of the trapping during tunneling work in the background technology, the invention provides a TBM shield anti-blocking device.
The technical scheme of the invention is as follows: a TBM shield body anti-blocking device is characterized in that a front shield is arranged at the front part of a TBM shield body, the front shield is of a semi-annular structure with an opening at the upper part, the opening at the upper part of the front shield is connected with a front shield telescopic part capable of moving up and down, a main driving box is arranged inside the ring formed by the front shield and the front shield telescopic part, a telescopic outer shield is connected to the rear part of the front shield, an opening matched with the front shield is formed in the upper part of the telescopic outer shield, a telescopic outer shield telescopic part capable of shrinking inwards is arranged at the opening at the upper part of the telescopic outer shield, a telescopic inner shield is arranged inside the telescopic outer shield in a sliding mode, and the main driving box is connected with the telescopic inner shield through a driving device.
The front shield telescopic part comprises an arc-shaped frame body, at least two stabilizer cylinders are arranged in the arc-shaped frame body, the stabilizer cylinders are symmetrical with respect to the vertical center plane of the arc-shaped frame body, a piston of each stabilizer cylinder is fixedly connected with the bottom of the arc-shaped frame body, and the bottom of each stabilizer cylinder is fixedly connected with the main driving box.
The telescopic outer shield telescopic part is of an arc-shaped plate structure, the telescopic outer shield telescopic part is connected with the telescopic inner shield through a telescopic rod, and the telescopic outer shield telescopic part is fixedly connected with the upper part of the arc-shaped frame body.
The driving device comprises an ear seat I, an ear seat II and a swinging hydraulic cylinder, wherein the base of the ear seat I is fixedly connected with the rear part of the main driving box, a baffle is arranged in the telescopic inner shield, the base of the ear seat II is fixedly connected with the baffle of the telescopic inner shield, and the earrings of the swinging hydraulic cylinder are respectively hinged with the ear seat I and the ear seat II.
According to the invention, the semi-annular structure with the opening is arranged at the upper part of the front shield, and the front shield telescopic part capable of moving up and down is arranged at the opening at the upper part of the front shield, so that when the TBM tunneling machine performs tunneling work, the stabilizer cylinder of the front shield telescopic part enables the arc-shaped frame body to be in a tightening state and is used for supporting the TBM tunneling machine to perform construction; when the TBM tunneling machine needs to advance or is clamped and difficult to get rid of the trouble, the stabilizer cylinder drives the arc-shaped frame body to shrink inwards, so that the diameter of the TBM tunneling machine is reduced, and the TBM tunneling machine can get rid of the trouble and go out of the way for continuous advancing. The invention has simple structure, can carry out local structural innovation on the original TBM tunneling machine, can achieve the aim of preventing the TBM tunneling machine from getting stuck and getting out of the way when tunneling work, and saves the cost of replacing equipment.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the main structure of the present invention;
FIG. 2 is a schematic diagram of the structure at A-A of the present invention;
FIG. 3 is a schematic diagram of the structure at B-B of the present invention.
In the figure, 1, a front shield, 101, a stabilizer cylinder, 2, a main driving box, 3, a front shield telescopic part, 301, an arc-shaped frame body, 4, a telescopic outer shield, 401, a telescopic outer shield telescopic part, 401-1, a telescopic rod, 5, a telescopic inner shield, 6, a driving device, 601, an ear seat I,602, an ear seat II,603 and a swinging hydraulic cylinder.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.
Example 1: the utility model provides a TBM shield body anti-sticking device, as shown in FIG. 1, be equipped with shield 1 in TBM shield body front portion, shield 1 is equipped with open-ended semi-annular structure for upper portion, shield 1's upper portion opening part is connected with the front shield expansion portion 3 that can reciprocate, shield expansion portion 3 includes arc support body 301 before as shown in FIG. 2, be equipped with two at least stabilizer hydro-cylinders 101 in the arc support body 301, stabilizer hydro-cylinder 101 is symmetrical about the vertical central plane of arc support body 301, stabilizer hydro-cylinder 101's piston and the bottom fixed connection of arc support body 301. The annular interior formed by the front shield 1 and the front shield telescopic part 3 is provided with a main driving box 2, and the bottom of the stabilizer cylinder 101 is fixedly connected with the main driving box 2. The rear portion of front shield 1 is connected with flexible outer shield 4, and flexible outer shield 4 upper portion is equipped with the opening with front shield 1 matched with, and flexible outer shield telescopic portion 401 that can inwards shrink is equipped with as shown in fig. 3 in flexible outer shield 4's upper portion opening part, and flexible outer shield 4's inside slip is equipped with flexible inner shield 5, is connected through drive arrangement 6 at main drive case 2 and flexible inner shield 5. The telescopic inner shield 5 can slide back and forth in the telescopic outer shield 4 under the drive of the driving device 6.
Working principle: when the TBM tunneling machine performs tunneling work, the stabilizer cylinder 101 of the front shield telescopic part 3 enables the arc-shaped frame body 301 to be in a tightly-supporting state, and when the TBM tunneling machine needs to advance forwards or is clamped and difficult to get rid of poverty, the stabilizer cylinder 101 drives the arc-shaped frame body 301 to shrink inwards, so that the diameter of the TBM tunneling machine is reduced, and the TBM tunneling machine can get rid of poverty and go on continuously.
Example 2: as shown in FIG. 2, the telescopic outer shield telescopic part 401 is of an arc plate structure, the telescopic outer shield telescopic part 401 is connected with the telescopic inner shield 5 through a telescopic rod 401-1, and the telescopic outer shield telescopic part 401 is fixedly connected with the upper part of the arc frame 301, so that an outer arc plate of the telescopic outer shield telescopic part 401 can be outwards stretched or inwards contracted along with the driving of the stabilizer cylinder 101. Other structures and operation principles are the same as those of embodiment 1.
Example 3: as shown in FIG. 1, the driving device 6 comprises an ear seat I601, an ear seat II602 and a swinging hydraulic cylinder 603, wherein the base of the ear seat I601 is fixedly connected with the rear part of the main driving box 2, a baffle is arranged in the telescopic inner shield 5, the base of the ear seat II602 is fixedly connected with the baffle of the telescopic inner shield 5, and the earrings of the swinging hydraulic cylinder 603 are respectively hinged with the ear seat I601 and the ear seat II 602. Other structures and operation principles are the same as those of embodiment 2.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (1)
1. TBM shield body anti-sticking device, its characterized in that: a front shield (1) is arranged at the front part of a TBM shield body, the front shield (1) is of a semi-annular structure with an opening at the upper part, the opening at the upper part of the front shield (1) is connected with a front shield telescopic part (3) capable of moving up and down, a main driving box (2) is arranged in an annular shape formed by the front shield (1) and the front shield telescopic part (3), a telescopic outer shield (4) is connected at the rear part of the front shield (1), an opening matched with the front shield (1) is arranged at the upper part of the telescopic outer shield (4), a telescopic outer shield telescopic part (401) capable of inwards shrinking is arranged at the opening at the upper part of the telescopic outer shield (4), a telescopic inner shield (5) is arranged in the telescopic outer shield (4) in a sliding manner, and the main driving box (2) is connected with the telescopic inner shield (5) through a driving device (6);
the driving device (6) comprises an ear seat I (601), an ear seat II (602) and a swinging hydraulic cylinder (603), wherein the base of the ear seat I (601) is fixedly connected with the rear part of the main driving box (2), a baffle is arranged in the telescopic inner shield (5), the base of the ear seat II (602) is fixedly connected with the baffle of the telescopic inner shield (5), and the earrings of the swinging hydraulic cylinder (603) are respectively hinged with the ear seat I (601) and the ear seat II (602);
the front shield telescopic part (3) comprises an arc-shaped frame body (301), at least two stabilizer cylinders (101) are arranged in the arc-shaped frame body (301), the stabilizer cylinders (101) are symmetrical with respect to the vertical central plane of the arc-shaped frame body (301), a piston of each stabilizer cylinder (101) is fixedly connected with the bottom of the arc-shaped frame body (301), and the bottom of each stabilizer cylinder (101) is fixedly connected with the main driving box (2); the upper part of the front shield is provided with an open semi-annular structure, and a front shield telescopic part which can move up and down is arranged at the upper opening of the front shield; when the TBM tunneling machine is used for tunneling work, the stabilizer cylinder of the front shield telescopic part enables the arc-shaped frame body to be in a tightly-supporting state and is used for supporting the TBM tunneling machine for construction;
the telescopic outer shield telescopic part (401) is of an arc-shaped plate structure, the telescopic outer shield telescopic part (401) is connected with the telescopic inner shield (5) through a telescopic rod (401-1), and the telescopic outer shield telescopic part (401) is fixedly connected with the upper portion of the arc-shaped frame body (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810938396.2A CN108798691B (en) | 2018-08-17 | 2018-08-17 | TBM shield body anti-blocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810938396.2A CN108798691B (en) | 2018-08-17 | 2018-08-17 | TBM shield body anti-blocking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108798691A CN108798691A (en) | 2018-11-13 |
| CN108798691B true CN108798691B (en) | 2024-03-29 |
Family
ID=64080230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810938396.2A Active CN108798691B (en) | 2018-08-17 | 2018-08-17 | TBM shield body anti-blocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108798691B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707391B (en) * | 2019-02-26 | 2024-03-08 | 中国铁建重工集团股份有限公司 | Escaping device of heading machine and heading machine |
| CN111594200A (en) * | 2020-05-25 | 2020-08-28 | 中国铁建重工集团股份有限公司 | Shield body structure of heading machine and heading machine |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364049A (en) * | 2011-10-19 | 2012-02-29 | 中铁隧道装备制造有限公司 | Hard rock composite TBM (Tunnel Boring Machine) suitable for composite stratum and tunneling mode thereof |
| CN104196538A (en) * | 2014-09-05 | 2014-12-10 | 中船重工（青岛）轨道交通装备有限公司 | Combined type double-shield tunneling machine |
| CN105781562A (en) * | 2016-03-10 | 2016-07-20 | 黄河勘测规划设计有限公司 | Stuck machine extricating method for tunnel boring machine (TBM) during construction |
| CN206071592U (en) * | 2016-10-09 | 2017-04-05 | 中国电建集团成都勘测设计研究院有限公司 | Sealed double-shielded TBM |
| CN206376867U (en) * | 2017-01-16 | 2017-08-04 | 中铁工程装备集团有限公司 | A kind of new pair of Shield TBM |
| CN206987822U (en) * | 2017-07-20 | 2018-02-09 | 中铁工程装备集团有限公司 | A kind of anti-card machine TBM for possessing radial expansion shield body function |
| CN108286440A (en) * | 2018-03-27 | 2018-07-17 | 中铁工程装备集团有限公司 | A kind of anti-sticking list shield TBM of NEW TYPE OF COMPOSITE and its construction method |
| CN108286436A (en) * | 2018-03-27 | 2018-07-17 | 中铁工程装备集团有限公司 | A kind of anti-sticking double-shielded TBM of NEW TYPE OF COMPOSITE and its construction method |
| CN208669313U (en) * | 2018-08-17 | 2019-03-29 | 中铁工程装备集团有限公司 | A kind of TBM shield body antiseize device |
-
2018
- 2018-08-17 CN CN201810938396.2A patent/CN108798691B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364049A (en) * | 2011-10-19 | 2012-02-29 | 中铁隧道装备制造有限公司 | Hard rock composite TBM (Tunnel Boring Machine) suitable for composite stratum and tunneling mode thereof |
| CN104196538A (en) * | 2014-09-05 | 2014-12-10 | 中船重工（青岛）轨道交通装备有限公司 | Combined type double-shield tunneling machine |
| CN105781562A (en) * | 2016-03-10 | 2016-07-20 | 黄河勘测规划设计有限公司 | Stuck machine extricating method for tunnel boring machine (TBM) during construction |
| CN206071592U (en) * | 2016-10-09 | 2017-04-05 | 中国电建集团成都勘测设计研究院有限公司 | Sealed double-shielded TBM |
| CN206376867U (en) * | 2017-01-16 | 2017-08-04 | 中铁工程装备集团有限公司 | A kind of new pair of Shield TBM |
| CN206987822U (en) * | 2017-07-20 | 2018-02-09 | 中铁工程装备集团有限公司 | A kind of anti-card machine TBM for possessing radial expansion shield body function |
| CN108286440A (en) * | 2018-03-27 | 2018-07-17 | 中铁工程装备集团有限公司 | A kind of anti-sticking list shield TBM of NEW TYPE OF COMPOSITE and its construction method |
| CN108286436A (en) * | 2018-03-27 | 2018-07-17 | 中铁工程装备集团有限公司 | A kind of anti-sticking double-shielded TBM of NEW TYPE OF COMPOSITE and its construction method |
| CN208669313U (en) * | 2018-08-17 | 2019-03-29 | 中铁工程装备集团有限公司 | A kind of TBM shield body antiseize device |
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| Publication number | Publication date |
|---|---|
| CN108798691A (en) | 2018-11-13 |
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