CN202176335U - Support device for open type shield - Google Patents
Support device for open type shield Download PDFInfo
- Publication number
- CN202176335U CN202176335U CN2011202129729U CN201120212972U CN202176335U CN 202176335 U CN202176335 U CN 202176335U CN 2011202129729 U CN2011202129729 U CN 2011202129729U CN 201120212972 U CN201120212972 U CN 201120212972U CN 202176335 U CN202176335 U CN 202176335U
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- CN
- China
- Prior art keywords
- suspension device
- slotting tool
- breast boards
- support device
- shield
- 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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Abstract
The utility model provides a support device for an open type shield, belonging to the technical field of tunnel excavating equipment. The support device comprises a slotting tool support device and a soil baffle support device, wherein the slotting tool support device is composed of a semicircular rack which is installed on the front end face of a shield body notch ring, a plurality of slotting tools which are installed on the periphery of the front end face of the rack and a plurality of push oil cylinders which are used for driving each slotting tool; the rack comprises a plurality of arch blocks and the soil baffle support device is composed of a plurality of soil baffles and a plurality of hydraulic oil cylinders which are used for driving each soil baffle; one end of each soil baffle is respectively hinged with the front end of each arch block and one end of each hydraulic oil cylinder is respectively hinged with the back surface of each soil baffle; and the other end of each hydraulic oil cylinder is respectively hinged with the back part of the lower surface of each arch block. According to the support device for the open type shield provided by the utility model, the structure is simple and compact, small volume of the inner cavity of the shield is occupied and the use safety of the shield is improved.
Description
Technical field
The utility model relates to constructing tunnel equipment, relates to a kind of suspension device of spacious chest formula shield structure specifically.
Background technology
Be applicable to the spacious chest formula shield structure of sandy cobble with no water at present, how on the otch ring of shield body, slotting tool be installed, form the slotting tool supporting in the slotting tool driving soil layer, at this moment heading equipment can digging below a mask of this slotting tool.But when slotting tool is accomplished an operation cycle; After heading equipment has excavated the soil layer below the slotting tool in this process; It is inner that slotting tool breaks away from soil layer, makes the danger that shield structure dead ahead exists soil layer to cave in, patent CN95220205 for this reason; Name is called " slotting tool formula shield structure " this problem is improved; This patent discloses the shield support device of half section slotting tool structure (being that the slotting tool structure is a semi-circular shape), and this suspension device is included in the frame, 21 of shield body otch ring end face first half installation slotting tool, 21 three breast boardss by Driven by Hydraulic Cylinder that drive the propelling oil cylinder of each slotting tool respectively and be installed on otch ring inner chamber, and frame is by uncovered closed supports that constitutes with base of semicircle; Forms by three arch blocks for semicircle uncovered, 21 slotting tool be installed on respectively semicircle uncovered circumferentially reach base end face.During use, after advancing the oil-feed of oil cylinder forward, the piston rod of propelling oil cylinder stretches out forward and promotes respectively in the slotting tool insertion soil layer; Form advance support, excavating equipment begins operation, and it is outside to see dregs off the shield structure through conveying worm; After excavating equipment dug out a 500mm long spacing, 21 advanced the reverse oil-feed of oil cylinder, and the piston rod that advances oil cylinder is shunk; The shield body just lean between slotting tool and the soil layer frictional force be pulled to the place ahead 500mm; Accomplish an operation cycle,, drive three breast boardss respectively by three hydraulic cylinders and stretch out on the soil layer that withstands on shield body dead ahead for the soil layer that prevents shield body dead ahead caves in.Though this device makes the safety of digging operation obtain relative raising; But because this breast boards suspension device is arranged at shield body otch ring inner chamber, and breast boards and slotting tool be two equipments, so the volume of the whole suspension device of this shield body is big; In order to satisfy the working space of excavating equipment; Effective work area that also must the compression breast boards, so it can only be arranged at the inner chamber top of frame, it can only prop up a part of soil layer on top, shield body the place ahead; Face can not large tracts of land prop up the soil layer in shield body the place ahead, so just makes the safety in utilization of this shield machine reduce.
The utility model content
The purpose of the utility model provides a kind of suspension device of spacious chest formula shield structure, and the safety in utilization of the little and shield structure of its volume simple and compact for structure, that take the shield intracoelomic cavity improves.
In order to realize such scheme; The technical solution of the utility model is: a kind of suspension device of spacious chest formula shield structure; Comprise slotting tool suspension device and breast boards suspension device; Said slotting tool suspension device is made up of slotting tool and several propelling oil cylinders that drives each said slotting tool respectively the semicircle frame that is installed on otch ring front end face, outer circumferentially install some of frame front end face; Said frame comprises several arch blocks, and said breast boards suspension device is made up of several breast boardss and several hydraulic jacks that drive each said breast boards respectively, and wherein an end of each said breast boards is hinged with the front end of each said arch block respectively; One end of each said hydraulic jack is hinged with the back surface of each said breast boards respectively, and the other end of each said hydraulic jack is hinged with the soffit rear portion of each said arch block respectively.
The suspension device of the spacious chest formula shield structure of the utility model, wherein the front surface of each said breast boards is separately installed with gas cell.
After adopting such scheme; The suspension device of the spacious chest formula shield structure of the utility model drives breast boards through each hydraulic jack and rotates along pin joint through each breast boards of breast boards suspension device is hinged with each arch block of slotting tool suspension device respectively, realizes that each breast boards launches and contraction; When each breast boards is pushed ahead when launching at each hydraulic jack; Its developed area is the frame contour area, plays the effect of the most of soil layer in shield body the place ahead, has so just increased the safety in utilization of shield structure; And after this suspension device is accomplished an operation cycle; Each breast boards is shunk to drive by each hydraulic jack and is folded to each arch block soffit, and it is simple and compact for structure, and the volume that takies the shield intracoelomic cavity is little.
Description of drawings
Fig. 1 is that the master of the suspension device deployed condition of the spacious chest formula shield structure of the utility model looks sketch map;
Fig. 2 is that sketch map is looked on the right side between single breast boards expansion of the utility model and the single arch block;
Fig. 3 is the schematic top plan view of the suspension device deployed condition of the spacious chest formula shield structure of the utility model;
Fig. 4 is that the part master of the suspension device contraction state of the spacious chest formula shield structure of the utility model looks sketch map;
Fig. 5 is that sketch map is looked on the right side between single breast boards contraction of the utility model and the single arch block.
The specific embodiment
To shown in Figure 3, each figure of the deployed condition of the suspension device of the spacious chest formula shield structure of the utility model comprises slotting tool suspension device 1 and breast boards suspension device 2 like Fig. 1.
Slotting tool suspension device 1 is by the semicircle frame 11 that is installed on shield body otch ring 3 front end faces, somely forming slotting tool 12 and several propelling oil cylinders 13 that drives each slotting tool 12 respectively of outside the front end face of frame 11, circumferentially installing, and frame 11 comprises 7 arch blocks 111.
Breast boards suspension device 2 is made up of 7 breast boardss 21 and 7 hydraulic jacks 22; 7 hydraulic jacks 22 drive 21 motions of 7 breast boardss respectively; In conjunction with shown in Figure 2; One end of each breast boards 21 is hinged with the front end of each arch block 111 respectively, and an end of each hydraulic jack 22 is hinged with the back surface of each breast boards 21 respectively, and the other end of each hydraulic jack 22 is hinged with the soffit rear portion of each arch block 111 respectively.The front surface of each breast boards 21 is separately installed with gas cell 4; Because the soil layer surface in shield body the place ahead is rough; Directly support soil layer with breast boards 21, its effective contact area is little, and in breast boards 21 fronts gas cell 4 is installed; Can effectively increase and the soil layer surface contact area, effectively improve the safety in the use.Each advances the front end of oil cylinder 13 hinged with the rear portion of each arch block 111 respectively; Each advances the rear end of oil cylinder 13 all hinged through bearing pin with the internal chamber wall of otch ring 3; Be provided with like this and can effectively save the volume that breast boards suspension device 2 takies otch ring 3 inner chambers, offer the bigger space of excavating equipment.
Before the use, the breast boards suspension device is a contraction state, and referring to Fig. 4 and shown in Figure 5, the piston rod of each hydraulic jack 22 all is in contraction state, each breast boards 21 be contracted to respectively each arch block 111 below.When this shield support device uses, slotting tool suspension device 1 respectively advance oil cylinder 13 forward oil-feeds, each advances the piston rod of oil cylinder 13 to stretch out forward to promote each slotting tool 12 respectively inserts in soil layers; Breast boards suspension device 2 also moves forward under the effect of each propelling oil cylinder 13 simultaneously, and slotting tool suspension device 1 forms advance support, and excavating equipment begins to carry out digging operation; And it is outside to see dregs off the shield structure through conveying worm, and after excavating equipment dug out a 500mm long spacing, the piston rod of each hydraulic jack 22 stretched out forward; Drive each breast boards 21 and stretch out expansion forward, effectively support on the soil layer face in shield body the place ahead, make breast boards 21 prevent that effectively soil layer from caving in; Respectively advance oil cylinder 13 furnishing servo-actuateds then; The shield body advances oil cylinder to begin to advance, and after propelling was accomplished, the piston rod of each hydraulic jack 22 shrank; With each breast boards 21 be contracted to each arch block 111 below, accomplish an operation cycle like this.
The suspension device of the spacious chest formula shield structure of the utility model is through hinged with each arch block 111 of slotting tool suspension device 1 respectively with each breast boards 21 of breast boards suspension device 2; Driving breast boards 21 through each hydraulic jack 22 rotates along pin joint; Realize the expansion and the contraction of breast boards 21, when each breast boards 21 when pushing ahead of each hydraulic jack 22 launched, its developed area is the contour area of frame 11; Play the effect of the most of soil layer in shield structure the place ahead; So just increased the safety in utilization of shield structure, and after this suspension device was accomplished an operation cycle, each breast boards 21 was shunk to drive and is folded to each arch block 111 soffit by each hydraulic jack 22; It is simple and compact for structure, and the volume that takies shield structure inner chamber is little.
The above embodiment describes the preferred implementation of the utility model; Be not that scope to the utility model limits; Under the prerequisite that does not break away from the utility model design spirit; Various distortion and improvement that the common engineers and technicians in this area make the technical scheme of the utility model all should fall in the protection domain that claims of the utility model confirm.
Claims (2)
1. the suspension device of a spacious chest formula shield structure; Comprise slotting tool suspension device (1) and breast boards suspension device (2); Said slotting tool suspension device (1) is made up of slotting tool (12) and several propelling oil cylinders (13) that drives each said slotting tool (12) respectively the semicircle frame (11) that is installed on otch ring (3) front end face, outer circumferentially install some of frame (11) front end face; Said frame (11) comprises several arch blocks (111); Said breast boards suspension device (2) is made up of several breast boardss (21) and several hydraulic jacks (22) that drives each said breast boards (21) respectively; It is characterized in that: an end of each said breast boards (21) is hinged with the front end of each said arch block (111) respectively; One end of each said hydraulic jack (22) is hinged with the back surface of each said breast boards (21) respectively, and the other end of each said hydraulic jack (22) is hinged with the soffit rear portion of each said arch block (111) respectively.
2. the suspension device of spacious chest formula shield structure as claimed in claim 1 is characterized in that: the front surface of each said breast boards (21) is separately installed with gas cell (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202129729U CN202176335U (en) | 2011-06-22 | 2011-06-22 | Support device for open type shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202129729U CN202176335U (en) | 2011-06-22 | 2011-06-22 | Support device for open type shield |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202176335U true CN202176335U (en) | 2012-03-28 |
Family
ID=45866220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202129729U Expired - Fee Related CN202176335U (en) | 2011-06-22 | 2011-06-22 | Support device for open type shield |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202176335U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817616A (en) * | 2012-08-06 | 2012-12-12 | 葛洲坝集团第五工程有限公司 | Construction device and construction method for tunneling soft rock |
| CN103557013A (en) * | 2013-11-06 | 2014-02-05 | 王静 | Annular steel structure supporting construction method with open type TBM (tunnel boring machine) |
| CN103953356A (en) * | 2014-04-28 | 2014-07-30 | 北京市三一重机有限公司 | Open type shield machine, support device and control system and control method of support device |
| CN105156133A (en) * | 2015-09-29 | 2015-12-16 | 中铁科工集团轨道交通装备有限公司 | Internal expansion type counterforce support device for pipe piece secondary lining equipment |
| CN109441469A (en) * | 2018-12-17 | 2019-03-08 | 中国铁建重工集团有限公司 | A kind of the self-propelled shield machine complete set of equipments and method for tunnel construction of the free section of fitting |
| CN112523787A (en) * | 2020-11-04 | 2021-03-19 | 华南理工大学 | Mobile shield tunnel temporary reinforcing platform |
| CN112983449A (en) * | 2021-04-19 | 2021-06-18 | 中国铁建重工集团股份有限公司 | Cutter head, full-face hard rock tunneling machine based on drilling and blasting construction and rock breaking method |
| CN109519185B (en) * | 2018-12-27 | 2024-02-23 | 盾构及掘进技术国家重点实验室 | TBM is with L1 district spraying equipment of mixing shielding device |
-
2011
- 2011-06-22 CN CN2011202129729U patent/CN202176335U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817616A (en) * | 2012-08-06 | 2012-12-12 | 葛洲坝集团第五工程有限公司 | Construction device and construction method for tunneling soft rock |
| CN102817616B (en) * | 2012-08-06 | 2015-08-12 | 葛洲坝集团第五工程有限公司 | A kind of device of soft rock driving and construction method |
| CN103557013A (en) * | 2013-11-06 | 2014-02-05 | 王静 | Annular steel structure supporting construction method with open type TBM (tunnel boring machine) |
| CN103953356A (en) * | 2014-04-28 | 2014-07-30 | 北京市三一重机有限公司 | Open type shield machine, support device and control system and control method of support device |
| CN105156133A (en) * | 2015-09-29 | 2015-12-16 | 中铁科工集团轨道交通装备有限公司 | Internal expansion type counterforce support device for pipe piece secondary lining equipment |
| CN109441469A (en) * | 2018-12-17 | 2019-03-08 | 中国铁建重工集团有限公司 | A kind of the self-propelled shield machine complete set of equipments and method for tunnel construction of the free section of fitting |
| CN109441469B (en) * | 2018-12-17 | 2024-02-13 | 中国铁建重工集团股份有限公司 | Self-propelled shield tunneling machine complete equipment fitting free section and tunnel construction method |
| CN109519185B (en) * | 2018-12-27 | 2024-02-23 | 盾构及掘进技术国家重点实验室 | TBM is with L1 district spraying equipment of mixing shielding device |
| CN112523787A (en) * | 2020-11-04 | 2021-03-19 | 华南理工大学 | Mobile shield tunnel temporary reinforcing platform |
| CN112983449A (en) * | 2021-04-19 | 2021-06-18 | 中国铁建重工集团股份有限公司 | Cutter head, full-face hard rock tunneling machine based on drilling and blasting construction and rock breaking method |
| CN112983449B (en) * | 2021-04-19 | 2022-06-07 | 中国铁建重工集团股份有限公司 | Cutter head, full-face hard rock tunneling machine based on drilling and blasting construction and rock breaking method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120328 Termination date: 20180622 |