CN2210254Y - Series and combination type self-progressing driving shield - Google Patents
Series and combination type self-progressing driving shield Download PDFInfo
- Publication number
- CN2210254Y CN2210254Y CN 94206714 CN94206714U CN2210254Y CN 2210254 Y CN2210254 Y CN 2210254Y CN 94206714 CN94206714 CN 94206714 CN 94206714 U CN94206714 U CN 94206714U CN 2210254 Y CN2210254 Y CN 2210254Y
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- CN
- China
- Prior art keywords
- shield
- sub
- shield structure
- oil
- son
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model relates to a range type combined shield body used for the bored tunnel construction. Three (or more than three) son shields are ranged and combined to form the utility model, all the son shield bodies are steel box bodies with an identical structure, and each son shield body comprises an upper shell, a lower shell, a side shell, an advancing oil top, a compacting oil top, etc. The advancing oil top is arranged on the side shell and can cause the adjacent son shield bodies to mutually propel, and the whole shield body is onwards pushed by the advancements of the son shield bodies one by one. The utility model has the advantages of simple structure, small size of each son shield, light weight, easy manufacture and combination, convenient transportation and high sensitivity of the shield body.
Description
The utility model belongs to the civil engineering facility, mainly should be in the tunnel excavation construction.The development machine that the tunneling in tunnel, urban subway is adopted, a kind of is weak soil development machine (being the shield structure), it is provided with shield, lining cutting adopts the reinforced concrete segment of the system of giving assembled or adopt cast-in-place steel fiber reinforced concrete, another kind is a hard rock mole, general no shield, adopt fixedly body of cross binding, do not adopt lining cutting, construction of tunnel for geology diversity and polytropy, the most of many shield configuration formulas (also claiming composite shield) of function that adopt of its excavator, the tunnel still adopts and gives system reinforced concrete segment prefbricated tunnel lining, with the back seat that advances as shield structure body, reaction force when advancing because of shield structure body is big, and needing the lining cutting ring to reach after the some could be long with shield structure body activity duration of promoting comprehensively as back seat, the shield structure body very flexible of advancing, bulky, the cost height, adopt the water proofing property difference and the globality of section of jurisdiction prefbricated tunnel lining not enough, thereby exist not enough.
The purpose of this utility model provides a kind of arranged type composite automatic progressing shield, it is arranged in a combination by the sub-shield structure more than three or three, adjacent sub-shield structure can advance mutually, advancing, flexibility is good, volume is little, do not need to utilize the lining cutting ring as back seat, thereby can adopt whole reinforced concrete lining layer, and waterproof and good integrity, thus the deficiency of existing shield structure body solved.
Narrate structure of the present utility model below and advance principle certainly.
Fig. 1 is a structure chart of the present utility model.
Fig. 2 is a structure section view of the present utility model.
Fig. 3 is a permutation and combination schematic diagram of the present utility model.
See Fig. 1,2, the utility model comprises that the sub-shield structure (A) by three (or more than three) is arranged in a combination, and three shield structures all are the identical sub-shield structures (A) of structure, represents respectively with (A1), (A2), (A), sub-shield structure (A) is a casing, makes of steel material and makes.Include upper casing (4), lower casing (5), side shell (6), side shell (7), preceding oil-feed top (1), (2) and compress oil top compositions such as (3), upper and lower in side shell (6), oil-feed top (1) before being separately installed with, preceding oil-feed top (1) can advance the sub-shield structure of an adjacent side (A2) to advance; Oil-feed top (2) before the upper and lower of side shell (7) is equipped with respectively, preceding oil-feed top (2) can advance the sub-shield structure (A1) of an adjacent side to advance; Be separately installed with in the upper and lower half of side shell (6) and compress oil top (3), have the corresponding oily top chute (8) that compresses in the upper and lower half of side shell (7), the core bar that compresses oil top (3) can move in compressing oily top chute (8); Front end at upper casing (4) is equipped with pin (9), backplate (10) is equipped with in the rear end, under the protection of backplate (10), can pour into whole reinforced concrete lining layer, and the housing of sub-shield structure (A) is all made with steel material.During sub-shield structure permutation and combination, the side shell on oil-feed top (1) was equipped with adjacent the linking to each other of side shell that (2) are pushed up in preceding oil-feed with another sub-shield structure before sub-shield structure was equipped with, and two adjacent sub-shield structures are strained on available tension oil top (3), a plurality of sub-shield structures all carry out the permutation and combination (see figure 3) by this principle, according to the needs of the sectional area size in tunnel and sub-shield structure permutation and combination is become big sub-shield structure colony, promptly big shield structure body.
Narrate the principle of advancing voluntarily of the present utility model below:
Fig. 1 represents the shield structure body that is arranged in a combination by three sub-shield structures (A1, A2, A), advancing of shield structure body advanced one by one, the method of advance of sub-shield structure (A1) is: sub-shield structure (A2) is strained on the oil top (3) that compresses of sub-shield structure (A), start the preceding oil-feed top (2) of sub-shield structure (A), then sub-shield structure (A1) can be advanced a distance.The method of advance of sub-shield structure (A) is: the oil top (3) that compresses that compresses oil top (3) and sub-shield structure (A1) of sub-shield structure (A) is unclamped, start the preceding oil-feed top (1) of sub-shield structure (A1) and the preceding oil-feed top (2) of sub-shield (A2), sub-shield structure (A) can be advanced a segment distance.The method of advance of sub-shield structure (A2) is: with tension oil top (3) the tension sub-shield structure (A) of sub-shield structure (A1); start the preceding oil-feed top (1) of sub-shield structure (A); then sub-shield structure (A2) can be advanced a segment distance; thereby whole shield structure body (A; A1; A2) just advance a segment distance; utilize the sub-shield structure propelling in adjacent both sides dynatron shield structure like this and utilize two to strain the method that the sub-shield structure that links to each other advances the sub-shield structure of an adjacent side by compressing oil top (3); can reach the purpose that single sub-shield structure advances one by one; thereby realize that whole shield structure body is from advancing; cycle operation so repeatedly; shield structure body moves forward and digs when into length reaches a steel concrete sections length; in the space under the protection of backplate (10); can carry out whole reinforced concrete lining layer; lay waterproofing course; main mould; assembling reinforcement; behind the fluid concrete, shield structure body can continue again to dig into.
The utility model has the advantages that simple in structure, every little, in light weight, easy, convenient transportation of processing and manufacturing combination of sub-shield structure body volume, shield structure body is highly sensitive, it is changeable to press tunnel planform combination, strong adaptability, both can be used to Metro Excavation interval or station, also can be used for municipal sewage system, tunnel, communication cable culvert.
Fig. 1 is Figure of abstract of the present utility model.
Claims (1)
1, a kind of arranged type composite automatic progressing shield comprises by three (or more than three) sub-shield structures being arranged in a combination, and it is characterized in that:
(1) each sub-shield structure (A) is a casing, makes with steel material, includes upper casing (4), lower casing (5), side shell (6), (7), preceding oil-feed top (1), (2), compresses oil top (3) composition;
(2) at the upper and lower of side shell (6), oil-feed top (1) before being separately installed with, the sub-shield structure (A2) that preceding oil-feed top (1) can promote an adjacent side advances; Oil-feed top (2) before the upper and lower of side shell (7) is separately installed with, the sub-shield structure (A1) that preceding oil-feed top (2) can promote an adjacent side advances;
(3) in the upper and lower half of side shell, be separately installed with and compress oil top (3), the upper and lower half in side shell (7) has the corresponding oily top chute (8) that compresses, and the core bar that compresses oil top (3) can move in chute (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94206714 CN2210254Y (en) | 1994-03-05 | 1994-03-05 | Series and combination type self-progressing driving shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94206714 CN2210254Y (en) | 1994-03-05 | 1994-03-05 | Series and combination type self-progressing driving shield |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2210254Y true CN2210254Y (en) | 1995-10-18 |
Family
ID=33825247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94206714 Expired - Fee Related CN2210254Y (en) | 1994-03-05 | 1994-03-05 | Series and combination type self-progressing driving shield |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2210254Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1325758C (en) * | 2004-02-03 | 2007-07-11 | 中铁隧道集团有限公司 | Device capable of regulating open ratio in shield driving machine |
| CN111828016A (en) * | 2020-08-12 | 2020-10-27 | 北京市政建设集团有限责任公司 | Construction process for connecting underground excavated tunnel with existing line side wall |
-
1994
- 1994-03-05 CN CN 94206714 patent/CN2210254Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1325758C (en) * | 2004-02-03 | 2007-07-11 | 中铁隧道集团有限公司 | Device capable of regulating open ratio in shield driving machine |
| CN111828016A (en) * | 2020-08-12 | 2020-10-27 | 北京市政建设集团有限责任公司 | Construction process for connecting underground excavated tunnel with existing line side wall |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |