CN206987822U - A kind of anti-card machine TBM for possessing radial expansion shield body function - Google Patents
A kind of anti-card machine TBM for possessing radial expansion shield body function Download PDFInfo
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- CN206987822U CN206987822U CN201720881701.XU CN201720881701U CN206987822U CN 206987822 U CN206987822 U CN 206987822U CN 201720881701 U CN201720881701 U CN 201720881701U CN 206987822 U CN206987822 U CN 206987822U
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Abstract
The utility model discloses a kind of anti-card machine TBM for possessing radial expansion shield body function, to solve TBM technical problems such as easy card machine, influence construction in poor stratas such as tomography, crushed zones in the prior art.The utility model includes cutterhead and shield body, shield body includes anterior shield, middle shield and the tail shield being sequentially connected, cutterhead is connected with anterior shield, the front end of anterior shield sets first partition, and flanged plate is provided between anterior shield and middle shield, second partition is provided with inside middle shield, some support cylinders are equipped with the shield shell of anterior shield and the shield shell of middle shield, the upper end of support cylinder is provided with boots plate, and boots plate coordinates with shield shell phase, and the lower end of support cylinder is fixedly connected with shield body.The utility model can ensure to retain safety clearance between main frame and excavation hole wall.So as to mitigate the vibration of main frame in TBM main frame tunneling processes, it is ensured that the stabilization of TBM main frame postures during tunneling and changing step, ensure speed of application and construction quality.
Description
Technical field
It the utility model is related to tunneling boring rock tunnel tunneler construction technical field, and in particular to one kind, which possesses, radially stretches
The anti-card machine TBM of contracting shield body function.
Background technology
Tunneling boring rock tunnel development machine abbreviation TBM, its construct have it is safe efficient, automaticity is high, tunnel breaks entirely
The features such as face one-shot forming, it is one of state-of-the-art equipment of the supporting tunnel construction of current big machineryization, has been widely used in
Among the engineering constructions such as railway, municipal administration, water conservancy, therefore performance boost to TBM equipment and Optimizing Reconstruction are particularly important, Ye Shiyou
The trend of good industry development.
Single shield TBM is the one of which type of hard rock tunnel development machine, main frame mainly include cutterhead, main driving, anterior shield,
Middle shield, tail shield etc..Compared with open type TBM, due to the protection of shield body and segment assembly, host region manual work security is more
It is high；And compared with double-shielded TBM, single shield TBM main frame length is relatively short, therefore card machine risk reduces.Single shield TBM has
The characteristics of unique and advantage, reach preferable equilibrium in working security and the aspect of efficiency of construction two, thus Surrounding Rock Strength compared with
Under geological conditions low, integrality is poor object is paid the utmost attention to as construction party.
But run into high-ground stress, rock crusher（IV, V class surrounding rock）, country rock degree of convergence height, fast convergence rate, rock
During the more low unfavorable geological condition of intensity, card machine risk increase that single shield TBM faces, it is therefore desirable to from construction equipment,
Develop a kind of new TBM replies or slow down such risk.
Utility model content
For the deficiency in above-mentioned background technology, the utility model, which provides, a kind of possesses the anti-of radial expansion shield body function
Card machine TBM, asked to solve TBM technologies such as easy card machine, influence construction in poor stratas such as tomography, crushed zones in the prior art
Topic.
The technical solution of the utility model is：A kind of anti-card machine TBM for possessing radial expansion shield body function, including cutterhead and
Shield body, anterior shield, middle shield and tail shield, the cutterhead that shield body includes being sequentially connected are connected with anterior shield, and the front end of anterior shield sets first partition,
Anterior shield is provided with flanged plate with middle shield junction, is provided with second partition inside middle shield, is all provided with the shield shell of anterior shield and the shield shell of middle shield
There are some support cylinders, the upper end of support cylinder is provided with boots plate, and boots plate coordinates with shield shell phase, and lower end and the shield body of support cylinder are consolidated
Fixed connection.
Some first support slots are arranged with the anterior shield upper half targe shell, if being arranged with middle shield upper half targe shell
Dry second support slot, the first support slot are corresponding with the second support slot；Boots plate includes the first boots plate and the second boots plate, the first boots plate
Be engaged in the first support slot and with the first support slot, the second boots plate be located in the second support slot and with the second support slot phase
Coordinate.
The angle that outermost two the first support slots are centrally formed with shield body on the anterior shield is θ, and θ scope is 0 ＜ θ
180 ° of ＜；The angle that outermost two the second support slots are centrally formed with shield body on middle shield is β, and β scope is 0 ＜ β ＜
180°；First support slot（21）It is located along the same line with the second corresponding support slot.
First support slot and the second support slot form by front apron, rear baffle and lower location-plate.
The first boots plate and the second boots plate form by preceding riser, rear riser and upper plate；Preceding riser and front apron phase
Coordinate, rear riser is engaged with rear baffle, and upper plate is engaged with the first support slot and the second support slot respectively.
The lower end of the support cylinder is connected with oil cylinder seat, support cylinder by oil cylinder seat respectively with first partition, flange
Plate is connected with second partition.
The utility model is directed to the ground such as crustal stress big, country rock fast convergence rate, the crushed zone being likely encountered in tunneling process
Matter condition, in TBM main frame hesitations, the support cylinder on anterior shield and middle shield stretches out, and makes boots plate stretching palisades, is enclosed with resistance
Rock Fast Convergent, delay stratum deformation speed or prevent stratum deformation to solve TBM main frames and excavation hole wall free face after excavating
Deformation, ensure main frame and excavate hole wall between retain safety clearance.So as to mitigate the vibration of main frame in TBM main frame tunneling processes,
Ensure the stabilization of TBM main frame postures during tunneling and changing step, ensure speed of application and construction quality.
Brief description of the drawings
Fig. 1 is the utility model internal structure schematic diagram.
Fig. 2 is boots board mounting structure schematic diagram.
Fig. 3 is the anterior shield section structure diagram of embodiment 1.
Fig. 4 is partial enlarged drawing at A in Fig. 3.
Fig. 5 is the anterior shield section structure diagram of embodiment 2.
Embodiment
Embodiment 1：As Figure 1-4, a kind of anti-card machine TBM for possessing radial expansion shield body function, including cutterhead 1 and shield
Body, shield body include anterior shield 2, middle shield 3 and the tail shield 4 being sequentially connected, and cutterhead 1 is connected with anterior shield 2, and the front end of anterior shield 2 sets first
Dividing plate 5, first partition are rigidly connected with anterior shield shield shell, and anterior shield brush, anterior shield 2 and middle shield are uniformly provided with the excircle of anterior shield front end
Flanged plate 6 is provided between 3, flanged plate is fixedly connected with shield body, and second partition 7, the shield shell of anterior shield 2 are fixed with inside middle shield 3
Be uniformly provided with support cylinder 8 on the shield shell of middle shield 3, the upper end of support cylinder 8 is provided with boots plate 9, the branch of same boots plate connection
The quantity of support oil cylinder is selected according to the size of boots plate, and boots plate 9 coordinates with shield shell phase, and lower end and the shield body of support cylinder 8 are consolidated
Fixed connection, the center line of support cylinder realize its radial motion by the center of shield body, boots plate by the flexible of support cylinder.
Further, the first support slot 21, the first support slot are arranged with upper half targe the shell more than stringcourse of anterior shield 2
It is evenly distributed on the shield shell of anterior shield, the center line of the first support slot is more than the middle stringcourse of shield 3 upper by the center of anterior shield
The second support slot 31 is arranged with half targe shell, the second support slot is evenly distributed on the shield shell of middle shield, the second support slot
Center line is corresponding with the second support slot 31 by the center of middle shield, the first support slot 21；Boots plate 9 includes the He of the first boots plate 91
Second boots plate 92, the first boots plate 91 are engaged in the first support slot 21 and with the first support slot 21, and the first boots plate is first
Realized and moved up and down by support cylinder in support slot, the second boots plate 92 in the second support slot 31 and with the second support slot 31
It is engaged, the second boots plate is realized by support cylinder in the second support slot and moved up and down, the first support slot and the second support slot
Quantity selected with distributing position according to actual conditions.
Further, the angle that outermost two the first support slots 21 are centrally formed with shield body on the anterior shield 2 is θ, θ's
Scope is 0 180 ° of ＜ θ ＜, and θ value is determined according to the quantity and position of the first support slot, θ is optional 60 °, 80 °, 80 °,
One in 120 °；The angle that outermost two the second support slots 31 are centrally formed with shield body on middle shield 3 is β, and β scope is
0 180 ° of ＜ β ＜, β value are determined according to the quantity and position of the second support slot, in optional 60 °, 80 °, 80 °, 120 ° of β
One；First support slot 21 is located along the same line with the second corresponding support slot 31.
Further, the support slot 31 of the first support slot 21 and second is by front apron 2-1, rear baffle 2-2 and lower positioning
Plate 2-3 is formed.The first boots plate 91 and the second boots plate 92 form by preceding riser 9-1, rear riser 9-2 and upper plate 9-3；Before
Riser 9-1 is engaged with front apron 2-1, and rear riser 9-2 is engaged with rear baffle 2-2, and upper plate 9-3 size is respectively with first
The size of support slot 21 and the size of the second support slot 31 are engaged, and limit boots plate moving line, and support is steady, and support cylinder is retracted
When, preceding riser 9-1, rear riser 9-2 lower surface are in contact with lower location-plate 2-3, now boots plate as anterior shield and middle shield one
Part, make shield body entirety uniform force.
Further, the lower end of the support cylinder 8 is connected with oil cylinder seat 10, support cylinder 8 by oil cylinder seat 10 respectively with
First partition 5, flanged plate 6 are connected with second partition 7, improve the stability of support cylinder, make boots plate uniform force.
Work process：（1）When the stress run into TBM main frame tunneling processes big, country rock fast convergence rate, crushed zone and other places
During matter condition, in TBM main frame hesitations, control whole support cylinders on anterior shield and middle shield to stretch out by controller, make branch
The boots plate stretching palisades on oil cylinder are supportted, resisting country rock Fast Convergent, delaying stratum deformation speed or preventing stratum deformation, are solved
Excavate aft engine and excavate the deformation of hole wall free face, make to retain safety clearance between TBM main frames and excavation hole wall；Then TBM is again
During secondary driving, withdraw support cylinder, boots plate leaves palisades, boots plate is withdrawn in the first support slot and the second support slot, makes TBM
Continuation is tunneled forward.
（2）When such as running into that rock integrity is good, rock strength is high in tunneling process, controller control support oil can be passed through
Anterior shield or middle shield upper part boots plate are stretched out stretching palisades by cylinder, so as to mitigate the vibration of main frame in main frame tunneling process, stable pick
Enter and change main frame posture during step, TBM main frames is steadily tunneled.
Embodiment 2：As shown in figure 5, a kind of anti-card machine TBM for possessing radial expansion shield body function, θ are 80 °, β is 80 °.
Other structures are same as Example 1.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art can readily occur in the technical scope that the utility model discloses
Change or replacement, should all cover within the scope of protection of the utility model.
Claims (6)
1. a kind of anti-card machine TBM for possessing radial expansion shield body function, including cutterhead（1）And shield body, it is characterised in that：Shield body bag
Include the anterior shield being sequentially connected（2）, middle shield（3）With tail shield（4）, cutterhead（1）With anterior shield（2）It is connected, anterior shield（2）Front end set
One dividing plate（5）, anterior shield（2）With middle shield（3）Junction is provided with flanged plate（6）, middle shield（3）Inside is provided with second partition（7）, anterior shield
（2）Shield shell and middle shield（3）Shield shell on be equipped with some support cylinders（8）, support cylinder（8）Upper end be provided with boots plate（9）,
Boots plate（9）Coordinate with shield shell phase, support cylinder（8）Lower end be fixedly connected with shield body.
2. the anti-card machine TBM according to claim 1 for possessing radial expansion shield body function, it is characterised in that：The anterior shield
（2）Some first support slots are arranged with upper half targe shell（21）, middle shield（3）Some second are arranged with upper half targe shell
Support slot（31）, the first support slot（21）With the second support slot（31）It is corresponding；Boots plate（9）Including the first boots plate（91）With second
Boots plate（92）, the first boots plate（91）Positioned at the first support slot（21）It is interior and with the first support slot（21）It is engaged, the second boots plate
（92）Positioned at the second support slot（31）It is interior and with the second support slot（31）It is engaged.
3. the anti-card machine TBM according to claim 2 for possessing radial expansion shield body function, it is characterised in that：The anterior shield
（2）Upper outermost two the first support slots（21）It is θ with the angle that shield body is centrally formed, θ scope is 0 180 ° of ＜ θ ＜；In
Shield（3）Upper outermost two the second support slots（31）It is β with the angle that shield body is centrally formed, β scope is 0 180 ° of ＜ β ＜；
First support slot（21）With the second corresponding support slot（31）It is located along the same line.
4. the anti-card machine TBM for possessing radial expansion shield body function according to Claims 2 or 3, it is characterised in that：Described
One support slot（21）With the second support slot（31）By front apron（2-1）, rear baffle（2-2）With lower location-plate（2-3）Composition.
5. the anti-card machine TBM according to claim 4 for possessing radial expansion shield body function, it is characterised in that：Described first
Boots plate（91）With the second boots plate（92）By preceding riser（9-1）, rear riser（9-2）And upper plate（9-3）Composition；Preceding riser（9-
1）With front apron（2-1）It is engaged, rear riser（9-2）With rear baffle（2-2）It is engaged, upper plate（9-3）Respectively with first
Support groove（21）With the second support slot（31）It is engaged.
6. the anti-card machine TBM according to claim 1 for possessing radial expansion shield body function, it is characterised in that：The support
Oil cylinder（8）Lower end be connected with oil cylinder seat（10）, support cylinder（8）Pass through oil cylinder seat（10）Respectively with first partition（5）, flange
Plate（6）And second partition（7）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720881701.XU CN206987822U (en) | 2017-07-20 | 2017-07-20 | A kind of anti-card machine TBM for possessing radial expansion shield body function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720881701.XU CN206987822U (en) | 2017-07-20 | 2017-07-20 | A kind of anti-card machine TBM for possessing radial expansion shield body function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206987822U true CN206987822U (en) | 2018-02-09 |
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ID=61415794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720881701.XU Active CN206987822U (en) | 2017-07-20 | 2017-07-20 | A kind of anti-card machine TBM for possessing radial expansion shield body function |
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| CN (1) | CN206987822U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109372539A (en) * | 2018-12-19 | 2019-02-22 | 中铁工程装备集团有限公司 | A kind of integral type belt feeder and its adjusting method suitable for double-shielded TBM |
| 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 |
| CN114109397A (en) * | 2021-11-29 | 2022-03-01 | 深圳地铁建设集团有限公司 | Shield constructs card machine monitoring and prevention device based on measure expand and dig clearance |
| CN108798691B (en) * | 2018-08-17 | 2024-03-29 | 中铁工程装备集团有限公司 | TBM shield body anti-blocking device |
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2017
- 2017-07-20 CN CN201720881701.XU patent/CN206987822U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108798691B (en) * | 2018-08-17 | 2024-03-29 | 中铁工程装备集团有限公司 | TBM shield body anti-blocking device |
| CN109372539A (en) * | 2018-12-19 | 2019-02-22 | 中铁工程装备集团有限公司 | A kind of integral type belt feeder and its adjusting method suitable for double-shielded TBM |
| CN109372539B (en) * | 2018-12-19 | 2024-03-15 | 中铁工程装备集团有限公司 | Integrated belt conveyor suitable for double-shield TBM and adjusting method thereof |
| 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 |
| CN114109397A (en) * | 2021-11-29 | 2022-03-01 | 深圳地铁建设集团有限公司 | Shield constructs card machine monitoring and prevention device based on measure expand and dig clearance |
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