CN208441841U - A kind of novel double shield shield bodies - Google Patents
A kind of novel double shield shield bodies Download PDFInfo
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- CN208441841U CN208441841U CN201821016534.3U CN201821016534U CN208441841U CN 208441841 U CN208441841 U CN 208441841U CN 201821016534 U CN201821016534 U CN 201821016534U CN 208441841 U CN208441841 U CN 208441841U
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Abstract
The utility model discloses a kind of novel double shield shield bodies, solve double shields in the prior art stretch it is not flexible, the problem of convergence and the easy card shield of soft rock strata, shutting down.The utility model includes anterior shield, flexible outer shield, flexible interior shield, branch pole and tail shield, flexible outer shield is fixedly connected with anterior shield, shield is located at the inside of flexible outer shield and matches with flexible outer shield in stretching, and the front end of branch pole is connected with flexible interior shield, and the rear end of branch pole is connected with tail shield；Drive assembly is equipped with inside anterior shield, anterior shield is connected with drive assembly, and the inside of branch pole is equipped with rice word beam, and branch pole is connected with meter Zi Liang；The anterior shield is mainly made of several end to end piecemeals, and branch pole is mainly made of several point of shield body.The utility model is flexible by anterior shield, flexible outer shield and branch pole, to realize the telescopic variation of entire shield body outer diameter.When double shields meet with stratum convergence and soft-rock slope in the case where, quickly through, solves the problems, such as card shield shutdown.
Description
Technical field
The utility model relates to technical field of tunnel construction, particularly relate to a kind of novel double shield shield bodies.
Background technique
Complete-section tunnel boring machine, English abbreviation are TBM.Currently, constructing tunnel gradually begins to use shield both at home and abroad
Formula TBM is as preferred.Have the characteristics that driving is safe and efficient using shield formula TBM.TBM is broadly divided into open type TBM, single shield
TBM and double-shielded TBM.Wherein, double-shielded TBM is adaptable to geological conditions, both adapts to hard rock, also adapts to soft rock, when
When taking corresponding measure, fault belt, high-ground stress, rock burst, karst, High aititude, water burst, the high hydraulic pressure of rich water, coal are adapted to
It is the unfavorable geologies such as gas, loose rock class pore water, clastic rock class crack pore water, Bedrock Crevice Water and freezing layer water.
Double-shielded TBM is that the cylinder-shaped shield structure consistent with machine diameter is arranged in complete machine periphery, in favor of driving
Soft broken or complex formation.Existing double-shielded TBM will cause the shutdown of card shield when tunneling stratum convergence and soft-rock slope
Phenomenon, and then influence construction speed.
Utility model content
For the deficiency in above-mentioned background technique, the utility model proposes a kind of novel double shield shield bodies, solve existing
Double shields stretch not flexible in technology, the problem of convergence and the easy card shield of soft rock strata, shutting down.
The technical solution of the utility model is achieved in that a kind of novel double shield shield bodies, including anterior shield, flexible outer
Shield, it is flexible in shield, branch pole and tail shield, flexible outer shield is fixedly connected with anterior shield, stretch in shield positioned at the outer shield that stretches inside and
It is matched with flexible outer shield, the front end of branch pole is connected with flexible interior shield, and the rear end of branch pole is connected with tail shield；In anterior shield
Portion is equipped with drive assembly, and anterior shield is connected with drive assembly, and the inside of branch pole is equipped with rice word beam, and branch pole is connected with rice word beam
It connects；The anterior shield is mainly made of several end to end piecemeals, and flexible outer shield is connected with piecemeal respectively, and branch pole is main
It is made of several point of shield body, flexible interior shield and tail shield are connected with a point shield body respectively.
The anterior shield includes bottom piecemeal, top piecemeal, upper right piecemeal, bottom right piecemeal, upper left piecemeal and lower-left piecemeal, bottom
Partial block is fixedly connected with drive assembly, and top piecemeal is slidably connected with drive assembly, and upper left piecemeal and upper right piecemeal are cut with scissors respectively
It connects in the left and right ends of top piecemeal, lower-left piecemeal and bottom right piecemeal are respectively hinged at the both ends of bottom piecemeal；Upper right piecemeal with
Bottom right piecemeal is hinged, and upper left piecemeal and lower-left piecemeal are hinged；Bottom piecemeal, top piecemeal, upper right piecemeal, bottom right piecemeal, upper left
Piecemeal and lower-left piecemeal group circularize.
The top piecemeal passes through the telescopic oil cylinder being vertically arranged and is connected with drive assembly, upper left piecemeal and upper right piecemeal
It is connected respectively by the side shield oil cylinder that is obliquely installed with drive assembly, lower-left piecemeal and bottom right piecemeal pass through respectively to be obliquely installed
Voussoir oil cylinder be connected with drive assembly.
The inner wall of the top piecemeal be equipped with the first guide cylinder, the first guide cylinder be arranged in drive assembly first
Guide post matches.
The flexible outer shield includes six piecemeals, and six piecemeals divide with the bottom piecemeal of anterior shield, top piecemeal, upper right respectively
Block, bottom right piecemeal, upper left piecemeal, lower-left piecemeal are fixedly connected.
The branch pole include upper point shield body, the right side point shield body, under point shield body and a left side point shield body, under divide shield body and rice word beam solid
Fixed connection, above point shield body passes through the top oil cylinder being vertically arranged and is connected with meter Zi Liang, and the right side point shield body and a left side point shield body are led to respectively
Side oil cylinder is crossed to be connected with meter Zi Liang.
The inner wall of shield body is divided to be equipped with the second guide cylinder on described, the second guide cylinder second is led with what is be arranged on meter Zi Liang
It is matched to column, the two sides of rice word beam are symmetrically arranged with moving guide rail；On the inner wall of a right side point shield body and left side is divided on the inner wall of shield body
Equipped with guide holder, guide holder is matched with moving guide rail.
The side oil cylinder is arranged in the two sides of moving guide rail, and one end of side oil cylinder is connected with guide holder, the other end
It is connected with rice word beam.
The flexible interior shield includes four pieces of points of shield bodies, and horizontally disposed propulsion oil is equipped on the inner wall of four pieces of points of shield bodies
Cylinder, the propelling cylinder other end are connected with branch pole, stretch in shield four pieces of points of shield bodies respectively with upper point shield body, the right side of branch pole
Point shield body, under point shield body, a left side divide shield body corresponding.
The tail shield includes four pieces of points of shield bodies, and four pieces of points of shield bodies of tail shield divide shield with upper point shield body of branch pole, the right side respectively
Body, under point shield body, a left side divide shield body corresponding.
The utility model is flexible by anterior shield, flexible outer shield and branch pole, to realize the flexible change of entire shield body outer diameter
Change.In the case that double shields meet with stratum convergence and soft-rock slope, by the outer diameter telescopic variation of shield body, quickly through,
Solve the problems, such as that card shield is shut down.After shield body outer diameter becomes smaller, installation outer diameter reduces, and internal diameter consistent steel pipe sheet completes lining cutting,
Guarantee while double shield hosts are realized quickly through convergence or soft-rock slope stratum complete machine Backup system normal through.
The utility model is ingenious in design, improves double shields in the safety coefficient by convergence or soft-rock slope stratum, improves work effect
Rate.
Detailed description of the invention
It, below will be to attached drawing needed in embodiment description in order to illustrate more clearly of the utility model embodiment
It is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is that the utility model normally tunnels status architecture schematic diagram.
Fig. 2 is B-B direction view in Fig. 1.
Fig. 3 is C-C direction view in Fig. 1.
Fig. 4 is D-D direction view in Fig. 1.
Fig. 5 is the utility model shield body deflated state structural schematic diagram.
Fig. 6 is E-E direction view in Fig. 5.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are under that premise of not paying creative labor
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in figures 1 to 6, embodiment 1, a kind of novel double shield shield bodies, including anterior shield 1, flexible outer shield 2, flexible interior shield 3,
Branch pole 4 and tail shield 5, flexible outer shield 2 are fixedly connected with anterior shield 1, and the outer shield that stretches carries out telescopic moving with anterior shield, realize that shield body is straight
Diameter variation.Shield 3 is located at the inside of flexible outer shield 2 and matches with flexible outer shield 2 in stretching, and flexible interior shield passes through with flexible outer shield
Propelling cylinder carries out the movement of front and back relative position.The front end of branch pole 4 with it is flexible in shield 3 be connected, the rear end of branch pole 4 with
Tail shield 5 is fixedly connected；Shield and tail shield carry out telescopic moving with branch pole in flexible, realize shield body diameter change.Inside anterior shield 1
Equipped with drive assembly 40, anterior shield 1 is connected with drive assembly 40, is used to support anterior shield.The inside of branch pole 4 is equipped with rice word beam
19, branch pole 4 is connected with rice word beam 19, has been used to support branch pole.The anterior shield 1 is mainly by several end to end point
Block composition, anterior shield are circularized by piecemeal group.Flexible outer shield 2 is connected with piecemeal respectively, by the flexible of piecemeal, realizes flexible outer
Shield stretches.Branch pole 4 is mainly made of several point of shield body, and branch pole is circularized by a point shield body group, and stretch interior shield 3 and tail shield
5 are connected with a point shield body respectively, by divide the flexible realization of shield body it is flexible in shield and tail shield it is flexible.
Further, the anterior shield 1 includes bottom piecemeal 9, top piecemeal 6, upper right piecemeal 7, bottom right piecemeal 8, upper left piecemeal
11 and lower-left piecemeal 10, bottom piecemeal 9 be fixedly connected with drive assembly 40, in 1 telescopic process of anterior shield, bottom piecemeal keeps solid
Determine state.Top piecemeal 6 is slidably connected with drive assembly 40, and in telescopic process, top piecemeal carries out radial along drive assembly
It is mobile.Upper left piecemeal 11 and upper right piecemeal 7 are respectively hinged at the left and right ends of top piecemeal 6, in telescopic process, upper left piecemeal
11 and upper right piecemeal 7 rotating around with the rotation of the hinge joint of top piecemeal, shield body is in the radial direction flexible before realizing.Lower-left piecemeal
10 and bottom right piecemeal 8 be respectively hinged at the both ends of bottom piecemeal 9；Upper right piecemeal 7 and bottom right piecemeal 8 are hinged, upper left piecemeal 11 with
Lower-left piecemeal 10 is hinged；In telescopic process, lower-left piecemeal 10 and bottom right piecemeal 8 are rotated rotating around hinge joint, with top piecemeal,
Upper left piecemeal 11 and upper right piecemeal 7 match, and shield body is in the radial direction flexible before realizing.Normal condition, bottom piecemeal 9, top
Partial block 6, upper right piecemeal 7, bottom right piecemeal 8, upper left piecemeal 11 and lower-left piecemeal 10 form circular ring shape, after anterior shield is flexible, bottom
Piecemeal 9, top piecemeal 6, upper right piecemeal 7, bottom right piecemeal 8, upper left piecemeal 11 and lower-left piecemeal 10 form class circular ring shape.
Further, the top piecemeal 6 passes through the telescopic oil cylinder 12 being vertically arranged and is connected with drive assembly 40, and stretch oil
Cylinder 12 be symmetricly set on top piecemeal 6 inner wall on, top piecemeal 6 by telescopic oil cylinder realize in radial directions stretch.
Upper left piecemeal 11 and upper right piecemeal 7 are connected by the side shield oil cylinder 13 being obliquely installed with drive assembly 40 respectively, upper left piecemeal
11 and upper right piecemeal 7 realize that its is in the radial direction flexible by side shield oil cylinder respectively, lower-left piecemeal 10 and bottom right piecemeal 8 lead to respectively
The voussoir oil cylinder 14 being obliquely installed is crossed to be connected with drive assembly 40.Lower-left piecemeal 10 and bottom right piecemeal 8 pass through voussoir oil respectively
Cylinder realizes that its is in the radial direction flexible.The inner wall of the top piecemeal 6 be equipped with the first guide cylinder 41, the first guide cylinder 41 with set
The first guide post 42 set in drive assembly 40 matches, and top piecemeal in telescopic process, lead along first by the first guide cylinder
It is slided to column, it is ensured that the steady movement of top piecemeal in the vertical direction.After shield body outer diameter becomes smaller, original design concrete pipe sheet
24 can not continue to install, need to install outer diameter reduction, and the consistent steel pipe sheet 25 of internal diameter completes lining cutting, realize that double shield hosts are fast
Speed by convergence or soft-rock slope stratum, while guarantee complete machine Backup system normal through.
Embodiment 2, a kind of novel double shield shield bodies, the flexible outer shield 2 include six piecemeals, six piecemeals respectively with it is preceding
Bottom piecemeal 9, top piecemeal 6, upper right piecemeal 7, bottom right piecemeal 8, upper left piecemeal 11, the lower-left piecemeal 10 of shield 1 are fixedly connected, and are stretched
Contract six piecemeals of outer shield 2 and six piecemeals one-to-one correspondence of anterior shield, it is ensured that the consistency of movement.
Further, the branch pole 4 include upper point shield body 15, the right side point shield body 16, under point shield body 17 and a left side divide shield body 18, on
Point shield body 15, the right side point shield body 16, under point shield body 17 and 18 groups of a left side point shield body circularize, under divide shield body 17 and rice word beam 19 is fixed connects
Connect, in telescopic process, under a point shield body remain stationary.On point shield body 15 pass through the top oil cylinder 22 that is vertically arranged and rice word beam 19
It is connected, top oil cylinder 22 is symmetricly set on 15 inner wall of point shield body, and above point shield body realizes it radially by top oil cylinder
It is flexible.The right side point shield body 16 and a left side point shield body 18 are connected by side oil cylinder 21 with rice word beam 19 respectively, and side oil cylinder 21 is total
Setting four, is uniformly arranged on the upper of meter word beam, provides gentle support power for the right side point shield body 16 and a left side point shield body 18.Described upper point
The inner wall of shield body 15 is equipped with the second guide cylinder 43, the second guide cylinder 43 and 44 phase of the second guide post being arranged on meter Zi Liang 19
Cooperation, moves up and down along the second guide post in upper point of the second guide cylinder of shield body telescopic process, the radial expansion of shield body is divided in realization.
The two sides of rice word beam 19 are symmetrically arranged with moving guide rail 20；It is equipped on the inner wall of the right side point shield body 16 and on the inner wall of left point shield body 18
Guide holder 45, guide holder 45 are matched with moving guide rail 20, during on the right side point, shield body 16 and a left side point shield body 18 are moved radially,
Guide holder is moved along moving guide rail, it is ensured that mobile steady.The two sides of moving guide rail 20, side is arranged in the side oil cylinder 21
One end of portion's oil cylinder 21 is connected with guide holder 45, the other end is connected with rice word beam 19.Side oil cylinder 21 is that shield body 16 is divided on the right side
The flexible offer even support of shield body 18 is provided with a left side.
Other structures are same as Example 1.
Embodiment 3, a kind of novel double shield shield bodies, it is described it is flexible in shield 3 include four pieces of points of shield bodies, four pieces of points of shield bodies it is interior
Horizontally disposed propelling cylinder 30 is equipped on wall, 30 other end of propelling cylinder is connected with branch pole 4, for pushing in flexible
Shield is mobile to flexible outer shield direction, it is ensured that the cooperation of shield and flexible outer shield in flexible.In flexible four pieces of points of shield bodies of shield 3 respectively with
Upper point shield body 15 of branch pole 4, the right side point shield body 16, under point shield body 17, a left side divide shield body 18 corresponding.The tail shield 5 includes four pieces
Point shield body, four pieces of points of shield bodies of tail shield 5 respectively with upper point shield body 15 of branch pole 4, the right side point shield body 16, under divide shield body 17, left point
Shield body 18 is corresponding.In flexible the four pieces of points of shield bodies, four pieces of points of shield bodies of tail shield 5 of shield 3 respectively with four pieces of points of shield bodies of branch pole
It corresponds, it is ensured that the consistency of movement.
Other structures are same as Example 2.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of novel double shield shield bodies, it is characterised in that: including anterior shield (1), flexible outer shield (2), flexible interior shield (3), support
Shield (4) and tail shield (5), flexible outer shield (2) are fixedly connected with anterior shield (1), and the interior shield (3) that stretches is located at the inside of flexible outer shield (2)
And matched with flexible outer shield (2), the front end of branch pole (4) is connected with flexible interior shield (3), the rear end of branch pole (4) and tail
Shield (5) is connected；Drive assembly (40) are equipped with inside anterior shield (1), anterior shield (1) is connected with drive assembly (40), branch pole (4)
Inside be equipped with rice word beam (19), branch pole (4) is connected with rice word beam (19)；The anterior shield (1) is mainly by several head and the tail
Connected piecemeal composition, flexible outer shield (2) are connected with piecemeal respectively, and branch pole (4) is mainly made of several point of shield body, is stretched
Shield (3) and tail shield (5) are connected with a point shield body respectively in contracting.
2. novel double shield shield bodies according to claim 1, it is characterised in that: the anterior shield (1) includes bottom piecemeal
(9), top piecemeal (6), upper right piecemeal (7), bottom right piecemeal (8), upper left piecemeal (11) and lower-left piecemeal (10), bottom piecemeal
(9) it is fixedly connected with drive assembly (40), top piecemeal (6) is slidably connected with drive assembly (40), upper left piecemeal (11) and the right side
Upper piecemeal (7) is respectively hinged at the left and right ends of top piecemeal (6), and lower-left piecemeal (10) and bottom right piecemeal (8) are respectively hinged at
The both ends of bottom piecemeal (9)；Hingedly, upper left piecemeal (11) and lower-left piecemeal (10) are cut with scissors for upper right piecemeal (7) and bottom right piecemeal (8)
It connects；Bottom piecemeal (9), top piecemeal (6), upper right piecemeal (7), bottom right piecemeal (8), upper left piecemeal (11) and lower-left piecemeal (10)
Group circularizes.
3. novel double shield shield bodies according to claim 2, it is characterised in that: the top piecemeal (6) by setting vertically
The telescopic oil cylinder (12) set is connected with drive assembly (40), and upper left piecemeal (11) and upper right piecemeal (7) are set by inclination respectively
The side shield oil cylinder (13) set is connected with drive assembly (40), and lower-left piecemeal (10) and bottom right piecemeal (8) are set by inclination respectively
The voussoir oil cylinder (14) set is connected with drive assembly (40).
4. novel double shield shield bodies according to claim 2, it is characterised in that: set on the inner wall of the top piecemeal (6)
Have the first guide cylinder (41), the first guide cylinder (41) is matched with the first guide post (42) being arranged on drive assembly (40).
5. novel double shield shield bodies according to claim 2, it is characterised in that: the flexible outer shield (2) includes six points
Block, six piecemeals respectively with the bottom piecemeal (9) of anterior shield (1), top piecemeal (6), upper right piecemeal (7), bottom right piecemeal (8), left
Upper piecemeal (11), lower-left piecemeal (10) are fixedly connected.
6. novel double shield shield bodies according to claim 1, it is characterised in that: the branch pole (4) includes upper point shield body
(15), the right side point shield body (16), under point shield body (17) and a left side divide shield body (18), under divide shield body (17) and rice word beam (19) is fixed connects
It connects, above point shield body (15) passes through the top oil cylinder (22) being vertically arranged and is connected with rice word beam (19), and shield body (16) and a left side are divided in the right side
Point shield body (18) is connected by side oil cylinder (21) with rice word beam (19) respectively.
7. novel double shield shield bodies according to claim 6, it is characterised in that: set on the inner wall of point shield body (15) on described
Have the second guide cylinder (43), the second guide cylinder (43) is matched with the second guide post (44) being arranged on meter Zi Liang (19), rice
The two sides of word beam (19) are symmetrically arranged with moving guide rail (20)；On the inner wall of the right side point shield body (16) and left side is divided on the inner wall of shield body (18)
It is equipped with guide holder (45), guide holder (45) is matched with moving guide rail (20).
8. novel double shield shield bodies according to claim 7, it is characterised in that: the side oil cylinder (21) is arranged in movement
The two sides of guide rail (20), one end of side oil cylinder (21) is connected with guide holder (45), the other end is connected with meter Zi Liang (19).
9. novel double shield shield bodies according to claim 6, it is characterised in that: the flexible interior shield (3) includes four pieces points
Shield body is equipped with horizontally disposed propelling cylinder (30) on the inner wall of four pieces of points of shield bodies, propelling cylinder (30) other end and support
Shield (4) is connected, it is flexible in four pieces of points of shield bodies of shield (3) divide shield body with upper point shield body (15) of branch pole (4), the right side respectively
(16), point shield body (17), a left side divide shield body (18) corresponding under.
10. according to the described in any item novel double shield shield bodies of claim 6 ~ 9, it is characterised in that: the tail shield (5) includes four
Block divides shield body, four pieces of points of shield bodies of tail shield (5) respectively with upper point shield body (15) of branch pole (4), the right side point shield body (16), under divide shield
Body (17), a left side divide shield body (18) corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821016534.3U CN208441841U (en) | 2018-06-29 | 2018-06-29 | A kind of novel double shield shield bodies |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821016534.3U CN208441841U (en) | 2018-06-29 | 2018-06-29 | A kind of novel double shield shield bodies |
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| CN208441841U true CN208441841U (en) | 2019-01-29 |
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ID=65087983
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821016534.3U Active CN208441841U (en) | 2018-06-29 | 2018-06-29 | A kind of novel double shield shield bodies |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112855194A (en) * | 2021-03-17 | 2021-05-28 | 中国铁建重工集团股份有限公司 | Shield machine and shield thereof |
-
2018
- 2018-06-29 CN CN201821016534.3U patent/CN208441841U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112855194A (en) * | 2021-03-17 | 2021-05-28 | 中国铁建重工集团股份有限公司 | Shield machine and shield thereof |
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