CN1070980A - Self-propelling circle face shield structure body - Google Patents
Self-propelling circle face shield structure body Download PDFInfo
- Publication number
- CN1070980A CN1070980A CN 92110685 CN92110685A CN1070980A CN 1070980 A CN1070980 A CN 1070980A CN 92110685 CN92110685 CN 92110685 CN 92110685 A CN92110685 A CN 92110685A CN 1070980 A CN1070980 A CN 1070980A
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- China
- Prior art keywords
- shield structure
- structure body
- oil top
- procapsid
- tunnel
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- Lining And Supports For Tunnels (AREA)
Abstract
A kind of self-propelling circle face shield structure body that is used for the bored tunnel construction, form by shield structure body and oil top, shield structure housing is split type, be divided into three joints, the oil top is housed between every joint, utilization respectively saves housing self and is back seat with connecting each other of frictional force of ground, adopt oily top merogenesis to advance and move or draw preceding moving, reaching integral body pushes ahead, and do not need to advance as back seat by the good tunnel layer ring of lining cutting, whole reinforced concrete lining layer can be adopted in its space that the back afterbody stays of advancing, the water resistance in tunnel is good, and globality is strong.The present invention is highly sensitive, it is flexible, simple in structure, in light weight to turn round, the processing and manufacturing transportation easily, mix the construction equipment that can be widely used in the bored tunnel of underground railway or other purposes behind road heading machinery, Transport Machinery, the concreting machinery.
Description
The invention belongs to soil and advance construction equipment, be mainly used in the tunnel excavation construction.
The construction in tunnel, urban subway; one class is an open trench tunnel; another kind of is bored tunnel; the shield structure is the main construction equipment of subway tunnel tunneling; in construction, also be called shield tunnel; mode difference according to the construction driving can be divided into waterpower shield structure and mechanical shield structure, and it is configured to a circular steel housing; (title shield structure body); in housing; at head waterpower or mechanical heading equipment are housed, the unearthed stone of conveying worm is equipped with in the centre, and afterbody is equipped with pipe-plate lining assembly unit machinery and is used to promote the jack (oil top) that shield structure body advances; stone is unearthed while tunneling; under the protection of shield structure body, the assembly unit assembling pipe-plate lining is after lining papers block installs; with it is back seat; with jack (oil top) shield structure body is pushed ahead, the space between lining cutting at this moment and the stratum then can be filled up with mud jacking, continues cycle operation later on; after the lining cutting ring reaches some; carry out whole steel concrete of internal layer or concrete lining, to reach the waterproof purpose, so cycle operation is constructed down.Above-mentioned shield construction has speed of application to disturb few advantage soon and to the city, but because shield structure body is an integral body, it is pushed ahead and will lean on a firm back seat, promptly want tube sheet prefbricated tunnel lining ring as back seat, with jack (oil top) jacking, because of reaction force big, could shield structure body be promoted comprehensively as back seat after needing the lining cutting ring to reach some, the very flexible that shield structure body advances, cost is expensive, 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 invention is to provide a kind of self-propelling circle face shield structure body, adopt split-type structural, during construction operation, shield structure body self can advance mutually in split, do not need to utilize the lining cutting ring to make back seat, can adopt whole reinforced concrete lining layer simultaneously, thereby solve the deficiency of existing shield structure.
Narrate structure of the present invention below and advance principle certainly.
Fig. 1 is a structure chart of the present invention.
Fig. 2,3,4 is view profile of the present invention.
See Fig. 1, the present invention includes by roundel structure housing and oil top and form roundel structure housing Be divided into three joints; include procapsid (1); middle shell (2); back casing (3) and be connected the protecting crust (4) of back casing (3) afterbody; adopt bayonet joint between them; for the ease of driving; procapsid (1) five equilibrium is divided into three layers; include front upper casing (1a); front mesochite (1b); front lower casing (1c); adopt the supporting formula to connect between them; middle shell (2) and back casing (3) are circular overall structures; for the ease of being transported to the job location from factory; from its center line place separately; and then connect into integral body with bolt; protecting crust (4) is one and half domes; slurry pressuring tube can be housed; under the protection of protecting crust (4); can pour into the integral reinforced concrete lining cutting; between procapsid (1) and middle shell (2) and middle shell (2) and back casing (3); stretch-draw oil top (5) He Youding (6) is housed respectively; stretch-draw oil top (5) is 300 tons; oil top (6) is 200 tons; at middle shell (2) (6) 10 on oil top is housed; wherein 3 are used for advancing front upper casing (1a); 4 are used for advancing front mesochite (1b); 3 are used for advancing front lower casing (1C); in the upper symmetry of back casing (3) (6) 4 on oil top is housed; being used for ejection middle shell (2) moves forward; (5) two symmetries in stretch-draw oil top are contained on the front upper casing (1a); two symmetries are contained on the front lower casing (1c); pull bar (7) pushes up (5) central space by stretch-draw oil and is connected on the back casing (3), and by pull bar (7), stretch-draw oil top (5) can be drawn back casing (3) and be moved forward. Whole shield structure housing is made by two-layered steel plates, two interlayers steel plate frame reinforcement by connection, thus alleviate the weight of shield structure housing and increased the resistance to compression degree.
Narrate below the principle of advancing voluntarily of shield structure body:
Advancing of shield structure body is that merogenesis advances, advancing of procapsid (1) is that to rely on middle shell (2) and back casing (3) and the frictional force on stratum be back seat, move forward with oil top (6) the promotion procapsid (1) that is contained on the middle shell (2), upper casing (1a) before at first promoting, mesochite (1b) before promoting subsequently, lower casing (1c) before the back promotes again, about 40～50 centimetres of stroke, therefore, between procapsid (1) and the middle shell (2) a stroke gap is just arranged, for advancing, middle shell (2) created condition, advancing of middle shell (2) is to rely on back casing (3) and the frictional force on stratum and the frictional force on procapsid (1) and stratum to combine as back seat by pull bar (7) transmission, move forward a stroke with oil top (6) the promotion middle shell (2) that is contained on the back casing (3), back casing (3) is that the frictional force on dependence procapsid (1) and middle shell (2) and stratum is pedestal, by stretch-draw oil top (5) and the pull bar (7) that is contained on the procapsid (1) back casing (3) and protecting crust (4) are pulled to the preceding stroke that moves, whole like this shield structure body has just been finished advancing of a stroke, cycle operation so repeatedly, shield structure body can constantly move toward rising, (150 centimetres) space under protecting crust (4) can carry out whole reinforced concrete lining layer when digging into length forward when reaching a steel concrete sections length, the shop waterproofing course, main mould, assembling reinforcement, behind the fluid concrete, shield structure body can continue again to advance.
When the present invention uses, by vertical shaft shield structure body and adopting accordingly being held machinery and Transport Machinery installs and enters interval beginning construction operation, dig haul volume earlier, shield structure body moves forward with oily pushing tow top, it exposes the concrete that 15 cm thicks are in time inserted on the stratum below afterbody center line, fill out while advancing, floating, when cycle operation reaches long 150 centimetres space to shield structure body tail defense shell (4), can lay waterproofing course, the spreading longitudinal rib is also laid the hoop muscle, set up mode hopping, concrete perfusion, mud jacking, finish whole reinforced concrete lining layer, later recycling operation is gone down to build to the tunnel and is finished.
Advantage of the present invention is the highly sensitive of shield structure body, it is flexible to turn round, simple in structure, in light weight, the processing and manufacturing transportation is easy and convenient, can adopt whole reinforced concrete lining layer globality strong, water resistance is good, because of the excavation face of shield structure directly contacts with soil layer, can construct simultaneously by a plurality of work planes, run into obstruction and adopt multiple mode to handle easily.
Claims (1)
1, a kind of self-propelling circle face shield structure body includes shield structure housing and the oil top is formed, and it is characterized in that:
1., shield structure body is divided into three joints, comprises by procapsid (1), middle shell (2), back casing (3) and the protecting crust that is connected back casing (3) afterbody forming, and adopts bayonet joint between them; Procapsid (1) five equilibrium is divided into three layers, comprises by preceding upper casing (1a), preceding mesochite (1b), preceding lower casing (1c) forming, and adopts supporting type to connect between them.
2., between procapsid (1) and middle shell (2) and middle shell (2) and the back casing (3), stretch-draw oil top (5) He Youding (6) is housed respectively, oil top (6) is housed on middle shell (2) and back casing (3), stretch-draw oil is housed on procapsid (1) pushes up (5).
3., be contained in the stretch-draw oil top (5) on the procapsid (1), be connected with back casing (3) by the pull bar (7) that passes its central space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92110685 CN1070980A (en) | 1992-09-19 | 1992-09-19 | Self-propelling circle face shield structure body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92110685 CN1070980A (en) | 1992-09-19 | 1992-09-19 | Self-propelling circle face shield structure body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1070980A true CN1070980A (en) | 1993-04-14 |
Family
ID=4944922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92110685 Pending CN1070980A (en) | 1992-09-19 | 1992-09-19 | Self-propelling circle face shield structure body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1070980A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1059729C (en) * | 1995-07-11 | 2000-12-20 | 三菱重工业株式会社 | Tunneler and tunnel excavating method |
| CN1063826C (en) * | 1994-03-07 | 2001-03-28 | 藤田株式会社 | Suporting structure |
| CN101109282B (en) * | 2007-08-29 | 2010-05-19 | 刘兴才 | Tunneling machine |
| CN110725688A (en) * | 2019-07-03 | 2020-01-24 | 上海弥涅科技有限公司 | Planar sliding propulsion device of shield machine |
| CN110725689A (en) * | 2019-07-03 | 2020-01-24 | 上海弥涅科技有限公司 | Planar sliding propulsion method of shield tunneling machine |
-
1992
- 1992-09-19 CN CN 92110685 patent/CN1070980A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063826C (en) * | 1994-03-07 | 2001-03-28 | 藤田株式会社 | Suporting structure |
| CN1059729C (en) * | 1995-07-11 | 2000-12-20 | 三菱重工业株式会社 | Tunneler and tunnel excavating method |
| CN101109282B (en) * | 2007-08-29 | 2010-05-19 | 刘兴才 | Tunneling machine |
| CN110725688A (en) * | 2019-07-03 | 2020-01-24 | 上海弥涅科技有限公司 | Planar sliding propulsion device of shield machine |
| CN110725689A (en) * | 2019-07-03 | 2020-01-24 | 上海弥涅科技有限公司 | Planar sliding propulsion method of shield tunneling machine |
| CN110725688B (en) * | 2019-07-03 | 2020-12-11 | 义乌市君胜科技有限公司 | Planar sliding propulsion device of shield machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |