CN202991052U - Composite type earth pressure balance shield machine with front supports and rear supports - Google Patents
Composite type earth pressure balance shield machine with front supports and rear supports Download PDFInfo
- Publication number
- CN202991052U CN202991052U CN 201220661154 CN201220661154U CN202991052U CN 202991052 U CN202991052 U CN 202991052U CN 201220661154 CN201220661154 CN 201220661154 CN 201220661154 U CN201220661154 U CN 201220661154U CN 202991052 U CN202991052 U CN 202991052U
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Abstract
A composite type earth pressure balance shield machine with front supports and rear supports mainly comprises a composite type cutter, front shields, hinged oil cylinders, hinged sealing devices, middle shields, a tail shield and shield machine oil cylinders. The composite type cutter is located on the front portion of a shell body, the hinged oil cylinders and the shield machine oil cylinders are uniformly distributed around a shield body, the hinged oil cylinders are located on joints of the front shields and the middle shields, and the shield machine oil cylinders are mounted on shield bodies of the middle shields. Oil cylinder rods abut against tail pipe pieces. The hinged sealing devices are arranged on joints of the front shields and the middle shields. The front shields are further provided with front shield supports, the middle shields are further provided with middle shield supports, and the hinged sealing devices are in a V shape. The composite type earth pressure balance shield machine with the front supports and the rear supports has the advantages of being capable of being applied to complex formation shield construction of decomposed rocks, clay, sandy soil, graits and the like, increasing stability in tunneling, reducing vibration of a cutter in excavation, prolong the service life, being capable of helping the shield machine to assist in steering, enabling the cutter and the front shields to retract along the axial direction, and facilitating the fact that staff enter an excavation face and maintains the cutter and replaces a tool.
Description
Technical field
The utility model belongs to set of tunneling construction equipment, relates in particular to shield machine, particularly composite balancing earth-pressure shielding machine.
Background technology
Shield machine is the visual plant of subway, tunnel, underground pipeline project construction.The composite balancing earth-pressure shielding machine of prior art mostly is greatly enclosed shield body structure mainly in the design of the geological conditionss such as sand, clay, gravel, utilizes the internal force of excavation face own or shield body to support and keeps the stable of hole wall excavation face.The deficiency of the composite balancing earth-pressure shielding machine of prior art is: when running into the geological conditions such as soft rock, cobble, fractured rock band, because the vibration that produces in mining process is larger, reduced in the life-span of equipment component, affect the normal driving of equipment; This vibrations easily cause to become flexible to shield structure surrounding soil and even cave in addition; Shield machine because cutterhead is close to cutterhead the place ahead excavation face, exists in work progress and can't keep in repair cutterhead in mining process, changes cutter inconvenient.
Summary of the invention
The purpose of this utility model is to provide a kind of balancing earth-pressure shielding machine of combined type, overcomes the deficiencies in the prior art.
The technical solution of the utility model is: with the composite balancing earth-pressure shielding machine of front and back support, mainly comprise combined type cutterhead, anterior shield, hinged oil cylinder, hinge seal device, middle shield, tail shield and shield structure oil cylinder, cutterhead is positioned at the casing front portion, cutter head panel is equipped with hobboing cutter and cutting knife, be provided with simultaneously manhole, hinged oil cylinder and shield structure oil cylinder are distributed on shield body surrounding, hinged oil cylinder is arranged in anterior shield and shield junction, hinged oil cylinder one end is fixed on the anterior shield block, and the other end is fixed on middle shield baffle plate place; Shield structure oil cylinder one end withstands on middle shield baffle plate place, the other end withstands on place, afterbody section of jurisdiction, shield structure oil cylinder is when hinged oil cylinder is pushed ahead, for hinged oil cylinder provides support reaction, hinge seal device is located at anterior shield and middle shield junction, it is characterized in that described anterior shield and middle shield are provided with also that anterior shield supports and the support of middle shield, the hinge seal device of described anterior shield and middle shield junction is the V-type hinge seal device.
Composite balancing earth-pressure shielding machine with the front and back support described in the utility model, it is characterized in that described anterior shield supports and middle shield supports by supporting boot, oil cylinder and oil cylinder seat composition, oil cylinder seat is fixed on the shield body, oil cylinder is arranged on oil cylinder seat, supporting boot is fixed on oil cylinder external part head, stretching by oil cylinder, to drive supporting boot flexible, and the hole identical with supporting boot offered at the position that shield body and supporting boot are corresponding, and supporting boot can be along the hole telescopic moving.
The utility model is characterized in that described anterior shield supports and 2 or 4 places are respectively established in the support of middle shield, and 2 places wherein are set, and is arranged on 45 ° and the direction of 135 ° take level as starting point; 4 places are set evenly to distribute along the shield body.
Composite balancing earth-pressure shielding machine with the front and back support described in the utility model is characterized in that the sealing of described V-type hinge seal device is at least 2 roads, seals shield shield surface slip in the edge.Sealing slidingsurface front portion is circular arc, and the rear portion is straight line.In order to guarantee the fairing of slide plane, arc section and straightway are tangent.
The duty of the composite balancing earth-pressure shielding machine that supports before and after band of the present utility model is:
Shield machine driving state: hinged oil cylinder stretches out, and shield structure oil cylinder is passed to middle shield baffle plate with support reaction, promotes anterior shield and cutterhead and tunnels forward, and anterior shield supports and stretches out, and middle shield supports and do not stretch out;
In shield machine, shield supports the supporting state: hinged oil cylinder stretches out fully, and the cutterhead driving is completed, and middle shield supports and stretches out, and is supported on the excavation face place, completes hole wall supporting; The cutter head of shield machine retracted state:
The cutter head of shield machine retracted mode: middle shield supports when completing hole wall supporting, and hinged oil cylinder is retracted, and drives anterior shield and cutterhead and moves backward, completes cutterhead retraction process.Operating personnel can enter excavation face place, cutterhead the place ahead by the cutterhead manhole and cutterhead keeped in repair and cutter is changed.
The beneficial effects of the utility model are:
1, the composite balancing earth-pressure shielding machine that supports with front and back of the present utility model can be suitable for the bad ground shield-tunneling constructions such as decomposed rock, clay, sand, cobble
2, at anterior shield, bracing or strutting arrangement being installed has increased shield machine in when driving stability, reduces the vibration of cutterhead when excavating, and improves the life-span that cutter, main drive shaft such as hold at the parts;
3, anterior shield and middle shield support and can help shield machine to assist tuning;
4, middle shield supports to coordinate with the V-type hinge seal device cutterhead and anterior shield are bounced back vertically, is convenient to the staff and enters excavation face and cutterhead is keeped in repair and cutter is changed.
Description of drawings
The utility model drawings attached six width, wherein
Fig. 1 is the composite balancing earth-pressure shielding machine structural representation that supports before and after band of the present utility model.
Fig. 2 is that the composite balancing earth-pressure shielding machine anterior shield that supports before and after the utility model band supports and middle shield support arrangement schematic diagram.
Fig. 3 is the Z section V-type hinge seal device schematic diagram in Fig. 1.
Fig. 4 is the composite balancing earth-pressure shielding machine cutterhead driving view that supports before and after the utility model band, is that cutterhead tunnels forward, the schematic diagram that hinged oil cylinder stretches out.
Fig. 5 is shield supporting boot supporting view in the composite balancing earth-pressure shielding machine that supports before and after the utility model band, is that middle shield supporting boot stretches out, and withstands on the schematic diagram at excavation face place.
Fig. 6 is the composite balancing earth-pressure shielding machine cutterhead retracted state schematic diagram that supports before and after the utility model band, is that hinged oil cylinder is retracted, with the schematic diagram of movable knife disc retraction.
In accompanying drawing, 1. cutterhead, 2. anterior shield supports, 3. anterior shield, 4. hinged oil cylinder, 5. hinge seal device, 6. in shield support, 7. in shield, 8. tail shield, 9. shield structure oil cylinder, 10. supporting boot, 11. oil cylinders, 12. oil cylinder seats.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Composite balancing earth-pressure shielding machine with the front and back support, comprise that mainly combined type cutterhead 1, anterior shield 3, hinged oil cylinder 4, hinge seal device 5, middle shield 7, tail shield 8, shield structure oil cylinder 4, anterior shield support 2 and middle shield support 6, combined type cutterhead 1 is positioned at the casing front portion, scraper and hobboing cutter are set on combined type cutterhead 1 simultaneously, are provided with manhole on the combined type cutter head panel.Hinged oil cylinder 4 and shield structure oil cylinder 9 are distributed on shield body surrounding, and hinged oil cylinder 4 is arranged in anterior shield 3 and shield 7 junctions, and hinged oil cylinder 4 one ends are fixed on anterior shield 3 blocks, and the other end is fixed on middle shield 7 baffle plate places.Shield structure oil cylinder 9 one ends withstand on middle shield baffle plate place, and the other end withstands on place, afterbody section of jurisdiction, when shield structure oil cylinder 9 is pushed ahead at hinged oil cylinder 4, for hinged oil cylinder provides support reaction.Hinge seal device 5 is the V-type hinge seal device, and hinge seal device 5 is located at anterior shield 3 and middle shield 7 junctions, and the sealing brush of V-type hinge seal device is two roads, and sealing is fixed on the shield body by pressing plate.Anterior shield support 2 and middle shield support 6 and form by supporting boot 10, oil cylinder 11 and oil cylinder seat 12, oil cylinder seat 12 is fixed on the shield body, oil cylinder 11 is arranged on oil cylinder seat 12, supporting boot 10 is fixed on oil cylinder external part head, stretching by oil cylinder, to drive supporting boot 10 flexible, and the hole identical with supporting boot offered at the position that shield body and supporting boot 10 are corresponding, and supporting boot 10 can be along the hole telescopic moving, anterior shield supports and 4 places are respectively established in the support of middle shield, evenly distributes along shield body periphery.
Claims (4)
1. the composite balancing earth-pressure shielding machine that supports with front and back, mainly comprise combined type cutterhead (1), anterior shield (3), hinged oil cylinder (4), hinge seal device (5), middle shield (7), tail shield (8) and shield structure oil cylinder (9), combined type cutterhead (1) is positioned at the casing front portion, be provided with manhole on cutter head panel, hinged oil cylinder (4) and shield structure oil cylinder (9) are distributed on shield body surrounding, hinged oil cylinder (4) is arranged in anterior shield (3) and shield (7) junction, hinged oil cylinder (4) one ends are fixed on anterior shield (3) block, the other end is fixed on middle shield (7) baffle plate place, shield structure oil cylinder (9) is arranged on middle shield (7), cylinder rod withstands on place, afterbody section of jurisdiction, shield structure oil cylinder (9) is at hinged oil cylinder (4) when pushing ahead, for hinged oil cylinder (4) provides support reaction, hinge seal device (5) is located at anterior shield (3) and middle shield (7) junction, it is characterized in that described anterior shield (3) and middle shield (7) also are provided with anterior shield and support (2) and middle shield support (6), described anterior shield (3) is the V-type hinge seal device with the hinge seal device (5) of middle shield (7) junction.
2. according to the described composite balancing earth-pressure shielding machine with the front and back support of claim 1, it is characterized in that described anterior shield supports (2) and middle shield supports (6) by supporting boot (10), oil cylinder (11) and oil cylinder seat (12) form, oil cylinder seat (12) is fixed on the shield body, oil cylinder (11) is arranged on oil cylinder seat (12), supporting boot (10) is fixed on oil cylinder external part head, stretch by the flexible supporting boot (10) that drives of oil cylinder (11), the hole identical with supporting boot (10) offered at the position that shield body and supporting boot (10) are corresponding, supporting boot (10) can be along the hole telescopic moving.
3. according to the described composite balancing earth-pressure shielding machine with the front and back support of claim 1, it is characterized in that described anterior shield supports (2) and 2 or 4 places are respectively established in middle shield support (6), 2 places wherein are set, be arranged on 45 ° and the direction of 135 ° take level as starting point; 4 places are set evenly to distribute along the shield body.
4. according to the described composite balancing earth-pressure shielding machine with the front and back support of claim 1, it is characterized in that the sealing of described V-type hinge seal device is at least 2 roads, seal shield shield surface slip in the edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220661154 CN202991052U (en) | 2012-12-04 | 2012-12-04 | Composite type earth pressure balance shield machine with front supports and rear supports |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220661154 CN202991052U (en) | 2012-12-04 | 2012-12-04 | Composite type earth pressure balance shield machine with front supports and rear supports |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202991052U true CN202991052U (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220661154 Expired - Fee Related CN202991052U (en) | 2012-12-04 | 2012-12-04 | Composite type earth pressure balance shield machine with front supports and rear supports |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202991052U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953735A (en) * | 2012-12-04 | 2013-03-06 | 大连华锐重工集团股份有限公司 | Composite soil pressure balance shield with front support and back support |
| CN103592116A (en) * | 2013-11-21 | 2014-02-19 | 中国建筑股份有限公司 | Loaded oil cylinder positioning system of shield segment testing machine |
| CN103794127A (en) * | 2014-01-23 | 2014-05-14 | 同济大学 | Shield-simulating tunnel excavating device |
| CN106050247A (en) * | 2016-07-11 | 2016-10-26 | 中铁工程装备集团有限公司 | Stable supporting device of hard rock tunnel boring machine |
| CN108756905A (en) * | 2018-07-19 | 2018-11-06 | 中国铁建重工集团有限公司 | Shield machine and its double shields support shoe apparatus |
| CN108825248A (en) * | 2018-07-17 | 2018-11-16 | 中铁工程装备集团有限公司 | A kind of interim prosthetic device of hingedly sealing for Suporting structure |
| 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 |
| CN112943268A (en) * | 2021-03-02 | 2021-06-11 | 中交第三航务工程局有限公司 | Mounting method for hinged seal of large-diameter earth pressure balance shield machine |
-
2012
- 2012-12-04 CN CN 201220661154 patent/CN202991052U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953735A (en) * | 2012-12-04 | 2013-03-06 | 大连华锐重工集团股份有限公司 | Composite soil pressure balance shield with front support and back support |
| CN103592116A (en) * | 2013-11-21 | 2014-02-19 | 中国建筑股份有限公司 | Loaded oil cylinder positioning system of shield segment testing machine |
| CN103592116B (en) * | 2013-11-21 | 2015-11-18 | 中国建筑股份有限公司 | A kind of load cylinder positioning system of shield duct piece testing machine |
| CN103794127B (en) * | 2014-01-23 | 2017-01-04 | 同济大学 | A kind of simulation Shield Tunneling device |
| CN103794127A (en) * | 2014-01-23 | 2014-05-14 | 同济大学 | Shield-simulating tunnel excavating device |
| CN106050247B (en) * | 2016-07-11 | 2018-03-16 | 中铁工程装备集团有限公司 | The stable supporting device of hard rock mole |
| CN106050247A (en) * | 2016-07-11 | 2016-10-26 | 中铁工程装备集团有限公司 | Stable supporting device of hard rock tunnel boring machine |
| CN108825248A (en) * | 2018-07-17 | 2018-11-16 | 中铁工程装备集团有限公司 | A kind of interim prosthetic device of hingedly sealing for Suporting structure |
| CN108825248B (en) * | 2018-07-17 | 2024-04-02 | 中铁工程装备集团有限公司 | Hinge seal temporary repairing device for shield equipment |
| CN108756905A (en) * | 2018-07-19 | 2018-11-06 | 中国铁建重工集团有限公司 | Shield machine and its double shields support shoe apparatus |
| CN108756905B (en) * | 2018-07-19 | 2024-01-19 | 中国铁建重工集团股份有限公司 | Shield machine and double-shield support shoe device 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 |
| CN112943268A (en) * | 2021-03-02 | 2021-06-11 | 中交第三航务工程局有限公司 | Mounting method for hinged seal of large-diameter earth pressure balance shield machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20191204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |