CN203531916U - Tunnel boring machine step pushing support device - Google Patents
Tunnel boring machine step pushing support device Download PDFInfo
- Publication number
- CN203531916U CN203531916U CN201320712991.7U CN201320712991U CN203531916U CN 203531916 U CN203531916 U CN 203531916U CN 201320712991 U CN201320712991 U CN 201320712991U CN 203531916 U CN203531916 U CN 203531916U
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- Prior art keywords
- anchor hole
- reaction frame
- supporting
- tunnel machine
- pushing tow
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Abstract
A tunnel boring machine step pushing support device comprises a plurality of embedded support anchor hole beams and a reaction frame. Support positioning anchor holes are formed in two ends of each support anchor hole beam, at least two inclined sliding rails are arranged on each support anchor hole beam, reaction frame support legs are arranged at the bottom of the reaction frame, and the reaction frame is of a frame structure and provided with a side face for jacking an auxiliary pushing cylinder, wherein the side face is opposite to the tail end face of a tunnel boring machine. By the aid of the tunnel boring machine step pushing support device, hundreds of tons of step pushing force can be supported, and a slide structure cannot be damaged due to uneven stress.
Description
Technical field
The present invention relates to tunnel machine construction field, particularly a kind ofly for tunnel machine, start into the stepping pushing tow bracing or strutting arrangement in hole.
Background technology
Railway, highway, large hydraulic engineering etc. need to be constructed conventionally in rock massif, and massif is soft, hard by difference, and the rock of different beddings forms.Along with project scale strengthens, speed of application requires to accelerate, and much length is greater than 6Km, and cross section is greater than 80m
2tunnel, inadaptablely adopt extensive drill bursting construction.In order to speed up the work, reduce secondary lining operation, all adopt at present full section rock tunnel development machine (tunnel machine: Tunnel Boring Machinc is called for short TBM) milling to dig tunnel.Tunnel hard rock mole is erecting bed Installation and Debugging before tunnel mouth, because main frame originating location is outside tunnel starts hole section, TMB can not utilize support boots and crag to interact, pushing tow body traction rear portion ancillary facility advances, must be by the counter-force bracing or strutting arrangement on bottom auxiliary cylinder and ground, by TBM mainframe section and rear portion ancillary facility etc., by erecting bed outside hole, pushing tow arrives face driving position in hole.Approximately more than 600 tons of TBM body weights, approximately 70 tons of the required tractive force of the device such as rear ancillary facility, approximately more than 180 tons of the sliding friction power of TBM body and ground rail, under the compound action of many kinds of force, pre-buried reaction of bearing device on ground concrete slideway according to a conventional method, the embedding precision of embedded part is not high, and its intensity is also held and be can't stand maximum 250 tons of thrust.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of tunnel machine stepping pushing tow bracing or strutting arrangement, can provide secure support for the pushing tow of tunnel machine, and be convenient to adjust precision.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of tunnel machine stepping pushing tow bracing or strutting arrangement, comprise many pre-buried support anchor hole crossbeams, and at the two ends of supporting anchor hole crossbeam, be provided with supporting and location anchor hole;
Many described support anchor hole crossbeams are uniform along the direction of advance of tunnel machine, and the position on support anchor hole crossbeam between supporting and location anchor hole is also provided with the slide rail that at least two upper surface perpendicular bisectors point to the inclination in the same center of circle;
Below the upper surface of supporting and location anchor hole, and slide rail upper surface connects below circular arc, is filled with concrete;
Also comprise reaction frame, the bottom of reaction frame is provided with at least two and forms and to patch the reaction frame supporting leg coordinating with supporting and location anchor hole, and reaction frame is frame construction, and have one relative to tunnel machine tail end face withstanding auxiliary top push oil cylinder side.
Described slide rail bottom is installed with and makes the oblique steel plate of the concentric adjustment of each slide rail.
In the side of slide rail, be also provided with the U-shaped reinforcing bar embedded part of many one slide rails.
Reaction frame is also provided with oil cylinder reaction plate for withstanding the side of auxiliary top push oil cylinder.
On reaction frame, be also provided with top ear with the top of supporting and location anchor hole relevant position, back timber is inserted in the ear of top, between one end of back timber and ground, is provided with jack.
Described support anchor hole crossbeam is installed on billet, and billet is fixedly connected with many pre-embedded bolt adjustable grounds by nut; Pre-embedded bolt and pre-buried joint bar are welded to connect.
Described billet is fixed between two nuts.
Reaction frame supporting leg is at least four.
A construction method for tunnel machine stepping pushing tow bracing or strutting arrangement, comprises the following steps:
One, the groove with tunnel machine corresponding size one of ground excavation waters a layer concrete and imbeds many joint bars along the pushing tow direction of tunnel machine in groove, and pre-embedded bolt is welded on joint bar;
Two, by nut, billet is installed on pre-embedded bolt, is utilized upper and lower double nut to regulate height and the levelness of billet;
Three, on billet, install and support anchor hole crossbeam, the two ends of supporting anchor hole crossbeam are installed with supporting and location anchor hole, supporting measuring center line on anchor hole crossbeam, the oblique steel plate of adjustment between movable support anchor hole crossbeam and slide rail, by the angle of slope of slide rail, elevation, spacing, concentricity precision and parallelism parameter adjustment are to meeting designing requirement;
Four, concreting, to the upper surface of supporting and location anchor hole, and slide rail upper surface connects below circular arc, to form cambered way;
Five, the reaction frame supporting leg of the bottom of the reaction frame of frame construction is inserted in supporting and location anchor hole, auxiliary hydraulic pressure oil cylinder is placed between tunnel machine tail end face and the side of reaction frame, operation auxiliary hydraulic pressure cylinder jacking, promote a stepping stroke of tunnel machine walking, reaction frame is inserted in next group supporting and location anchor hole to the next stepping stroke of jacking;
By above-mentioned steps, realize tunnel machine and start into the pushing tow walking in hole.
On reaction frame, be also provided with top ear with the top of supporting and location anchor hole relevant position, when reaction frame supporting leg is difficult to take out, back timber is inserted in the ear of top, between one end of back timber and ground, jack is set, jack can hang out reaction frame supporting leg top pine.
A kind of tunnel machine stepping pushing tow bracing or strutting arrangement provided by the invention, by pre-buried supporting and location anchor hole, coordinate reaction frame, can guarantee to support the stepping thrust of hundreds of tons of auxiliary top push oil cylinder, structure of the present invention and construction method can not be damaged because unbalance stress makes slideway structure, guarantee that TBM starts steadily safe and reliable smoothly into hole stepping pushing tow.In the present invention, pre-embedded bolt coordinates the structure of billet to be convenient to regulate elevation and level, support the structure of anchor hole crossbeam and the oblique steel plate of adjustment, be convenient to adjust the angle of slope of slide rail, elevation, spacing, concentricity precision and parallelism, it is structure and method of the present invention, be convenient to very much regulate the precision of whole bracing or strutting arrangement, thereby avoid unbalance stress.
Physical dimension adjusting operation of the present invention is simple, simplifies embedded part installation procedure, accelerates adjustment progress is installed, and embedded part installation accuracy is high.The slide rail of cambered way and support anchor hole stress equalization, structural strength is high.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is the plan structure schematic diagram of tunnel machine stepping jacking.
Fig. 2 is the structure section schematic diagram of bracing or strutting arrangement of the present invention, has adopted omissive representation in figure, the center of circle of slide rail circumscribed circle is shifted near, so that observe.
Fig. 3 pushes up the structural representation of loose reaction frame supporting leg in the inventive method.
Fig. 4 is the syndeton schematic diagram of joint bar, pre-embedded bolt and billet in the present invention.
Fig. 5 is supporting and location anchor hole and the structural representation that supports anchor hole crossbeam in the present invention.
Fig. 6 is slide rail and the structural representation of adjusting oblique steel plate in the present invention.
Fig. 7 is the side direction view of Fig. 6.
Fig. 8 is the structural representation of reaction frame in the present invention.
In figure: joint bar 1, pre-embedded bolt 2, billet 3, nut 4, support anchor hole crossbeam 5, supporting and location anchor hole 6, adjusts oblique steel plate 7, sliding rail U-shaped reinforcing bar embedded part 8, slide rail 9, reaction frame supporting leg 10, top ear 11, oil cylinder reaction plate 12, hanger 13, reaction frame 14, auxiliary top push oil cylinder 15, back timber 16, jack 17, cambered way 18, concrete 19, tunnel machine 20.
The specific embodiment
Embodiment 1:
In Fig. 1 ~ 8, a kind of tunnel machine stepping pushing tow bracing or strutting arrangement, comprises many pre-buried support anchor hole crossbeams 5, at the two ends of supporting anchor hole crossbeam 5, is provided with supporting and location anchor hole 6; As shown in Fig. 2,3,5, the preferred rectangular steel tube that adopts of supporting and location anchor hole 6 in this example.
In Fig. 1,3, many described support anchor hole crossbeams 5 are uniform along the direction of advance of tunnel machine, and the position on support anchor hole crossbeam 5 between supporting and location anchor hole 6 is also provided with the slide rail 9 that at least two upper surface perpendicular bisectors point to the inclination in the same center of circle.As shown in Figure 2, certainly, it will be appreciated by those skilled in the art that, in actual installation process, may have error, as the O in Fig. 2
1and O
2shown in, by adjusting, make O as far as possible
1and O
2in the scope that overlaps or permit in designing requirement, Fig. 2 has adopted omissive representation, and the actual center of circle will be in higher position.Slide rail 9 in this example adopts " H " shaped steel slide rail as shown in Figure 6.
In Fig. 2, below the upper surface of supporting and location anchor hole 6, and slide rail 9 upper surfaces connect below circular arc, are filled with concrete 19; Preferably, concrete 19 can be lower than upper surface and the following 3 ~ 8mm of slide rail 9 circular arcs that upper surface connects of supporting and location anchor hole 6.
In Fig. 1,2,8, also comprise reaction frame 14, the bottom of reaction frame 14 is provided with at least two and forms and patch the reaction frame supporting leg 10 coordinating with supporting and location anchor hole 6, preferred, it is also feasible according to the weight reaction frame supporting leg 10 of tunnel machine, adopting four or six, adopts four in this example.
Preferably, as shown in Fig. 2,6,7, described slide rail 9 bottoms are installed with and make the oblique steel plate 7 of the concentric adjustment of each slide rail.Adjust oblique steel plate 7 higher near one end of this side supporting and location anchor hole 6.By adjusting oblique steel plate 7 in the position of supporting on anchor hole crossbeam 5, can regulate easily the angle of slope of slide rail, elevation, spacing, concentricity precision and parallelism, thus be convenient to improve the installation accuracy of whole bracing or strutting arrangement.
Preferably, as shown in Fig. 6 ~ 7, be also provided with the U-shaped reinforcing bar embedded part 8 of many one slide rails in the side of slide rail 9, in the termination of U-shaped reinforcing bar embedded part 8, be also provided with kink, U-shaped reinforcing bar embedded part 8 is welded to connect with slide rail 9.Structure, further improves the intensity of slide rail 9 in concrete 19 thus.
Preferably, as shown in Fig. 2,8, reaction frame 14 is also provided with oil cylinder reaction plate 12 for withstanding the side of auxiliary top push oil cylinder 15.Structure, is convenient to make suffered pressure to disperse to whole reaction frame 14 thus.
Preferred as in Fig. 3, on reaction frame 14, be also provided with top ear 11 with the top of supporting and location anchor hole 6 relevant positions, back timber 16 is inserted in top ear 11, between one end of back timber 16 and ground, is provided with jack 17.Structure, when reaction frame supporting leg 10 and supporting and location anchor hole 6 are locked because of slight deformation, can adopt jack 17 to coordinate back timber 16 by reaction frame supporting leg 10 top pines, thereby be convenient to by the whole reaction frame 14 of hanger 13 lifting on reaction frame 14 thus.
Described support anchor hole crossbeam 5 is installed on billet 3, and billet 3 is fixedly connected with many pre-embedded bolts 2 adjustable grounds by nut 4; Pre-embedded bolt 2 is welded to connect with pre-buried joint bar 1.
Preferably, as shown in Fig. 2 ~ 4, described billet 3 is fixed between two nuts 4.Structure thus, is convenient to regulate height-precision and the horizontal accuracy of billet 3.
Embodiment 2:
The method of this example for adopting embodiment 1 to install, the structure of not describing in this example is identical with the structure in embodiment 1.
As shown in Fig. 1 ~ 8, a kind of construction method of tunnel machine stepping pushing tow bracing or strutting arrangement, comprises the following steps:
One, the groove with tunnel machine 20 corresponding sizes one of ground excavation waters one deck plain concrete and imbeds many joint bars 1 along pushing tow direction and the stepping pushing tow spacing of tunnel machine in groove, and pre-embedded bolt 2 is welded on joint bar 1; Plain concrete refers to without muscle or does not configure the concrete of steel bar stress.
Two, by nut 4, billet 3 is installed on pre-embedded bolt 2, in this example, four of billet 3 jiaos are passed pre-embedded bolt 2, and are fixed between upper and lower two nuts 4, utilize upper and lower double nut to regulate height and the levelness of billet 3;
Three, on billet 3, install and support anchor hole crossbeam 5, the two ends of supporting anchor hole crossbeam 5 are installed with supporting and location anchor hole 6, supporting measuring center line on anchor hole crossbeam 5, the oblique steel plate 7 of adjustment between movable support anchor hole crossbeam 5 and slide rail 9, by the angle of slope of slide rail 9 as the α in Fig. 2
1and α
2shown in, elevation, spacing, concentricity precision are as the O in Fig. 2
1and O
2shown in, and parallelism parameter adjustment is to meeting designing requirement;
Four, concreting, to supporting and location anchor hole 6 upper surfaces, and slide rail 9 upper surfaces connect below circular arc, to form cambered way 18; Common low 3 ~ 8mm.
Five, tunnel machine 20 is placed on slide rail 9, in the hanger 13 at reaction frame 14 tops, put on hoist cable, with the hoisting mechanism on tunnel machine 20 by reaction frame 14, handling is to cambered way 18 tops, the reaction frame supporting leg 10 of the bottom of the reaction frame of frame construction 14 is inserted in supporting and location anchor hole 6 and is fallen at the end, auxiliary hydraulic pressure oil cylinder 15 is placed between tunnel machine tail end face and the side of reaction frame 14, operation auxiliary hydraulic pressure oil cylinder 15 cylinder heads withstand oil cylinder reaction plate 12, to stroke of sinciput, tunnel machine 20 is at reaction frame 14, under the reaction of reaction frame supporting leg 10 and supporting and location anchor hole 6, promote a stepping stroke of tunnel machine walking, operation auxiliary top push oil cylinder 15 is shunk, with the hoisting mechanism of tunnel machine 20 by the reaction frame 14 stepping stroke of reach of slinging, reaction frame 14 is inserted in next group supporting and location anchor hole 6, the next stepping stroke of jacking,
By above-mentioned steps, realize tunnel machine and start into the pushing tow walking in hole.
Preferably as shown in Figure 3, on reaction frame 14, be also provided with top ear 11 with the top of supporting and location anchor hole 6 relevant positions, when reaction frame supporting leg 10 is difficult to take out, back timber 16 is inserted in top ear 11, between one end of back timber 16 and ground, jack 17 is set, jack 17 can hang out reaction frame supporting leg 10 top pines.
Claims (8)
1. a tunnel machine stepping pushing tow bracing or strutting arrangement, comprises many pre-buried support anchor hole crossbeams (5), it is characterized in that: at the two ends of supporting anchor hole crossbeam (5), be provided with supporting and location anchor hole (6);
Described many support anchor hole crossbeams (5) are uniform along the direction of advance of tunnel machine, and the position being positioned between supporting and location anchor hole (6) on support anchor hole crossbeam (5) is also provided with the slide rail (9) that at least two upper surface perpendicular bisectors point to the inclination in the same center of circle;
Below the upper surface of supporting and location anchor hole (6), and slide rail (9) upper surface connects below circular arc, is filled with concrete (19);
Also comprise reaction frame (14), the bottom of reaction frame (14) is provided with at least two and forms and patch the reaction frame supporting leg (10) coordinating with supporting and location anchor hole (6), reaction frame (14) is frame construction, and have one relative to tunnel machine tail end face withstanding auxiliary top push oil cylinder (15) side.
2. a kind of tunnel machine stepping pushing tow bracing or strutting arrangement according to claim 1, is characterized in that: described slide rail (9) bottom is installed with and makes the oblique steel plate of the concentric adjustment of each slide rail (7).
3. a kind of tunnel machine stepping pushing tow bracing or strutting arrangement according to claim 1, is characterized in that: in the side of slide rail (9), be also provided with the U-shaped reinforcing bar embedded parts of many one slide rails (8).
4. a kind of tunnel machine stepping pushing tow bracing or strutting arrangement according to claim 1, is characterized in that: reaction frame (14) is also provided with oil cylinder reaction plate (12) for withstanding the side of auxiliary top push oil cylinder (15).
5. a kind of tunnel machine stepping pushing tow bracing or strutting arrangement according to claim 1, it is characterized in that: top upper at reaction frame (14) and supporting and location anchor hole (6) relevant position is also provided with top ear (11), back timber (16) is inserted in top ear (11), between one end of back timber (16) and ground, is provided with jack (17).
6. a kind of tunnel machine stepping pushing tow bracing or strutting arrangement according to claim 1, it is characterized in that: it is upper that described support anchor hole crossbeam (5) is installed in billet (3), and billet (3) is fixedly connected with many pre-embedded bolts (2) adjustable ground by nut (4); Pre-embedded bolt (2) is welded to connect with pre-buried joint bar (1).
7. a kind of tunnel machine stepping pushing tow bracing or strutting arrangement according to claim 6, is characterized in that: described billet (3) is fixed between two nuts (4).
8. a kind of tunnel machine stepping pushing tow bracing or strutting arrangement according to claim 1, is characterized in that: reaction frame supporting leg (10) is at least four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320712991.7U CN203531916U (en) | 2013-11-13 | 2013-11-13 | Tunnel boring machine step pushing support device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320712991.7U CN203531916U (en) | 2013-11-13 | 2013-11-13 | Tunnel boring machine step pushing support device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203531916U true CN203531916U (en) | 2014-04-09 |
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ID=50418137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320712991.7U Withdrawn - After Issue CN203531916U (en) | 2013-11-13 | 2013-11-13 | Tunnel boring machine step pushing support device |
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| Country | Link |
|---|---|
| CN (1) | CN203531916U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541735B (en) * | 2013-11-13 | 2015-07-08 | 葛洲坝集团第一工程有限公司 | Tunneling machine stepping pushing supporting device and construction method |
| CN109577200A (en) * | 2018-11-13 | 2019-04-05 | 上海建工集团股份有限公司 | One kind being used for more supporting leg support system reaction of bearing control device and methods |
| CN110179295A (en) * | 2019-06-11 | 2019-08-30 | 马宏波 | A kind of folding exhibition position device convenient for adjusting installation |
-
2013
- 2013-11-13 CN CN201320712991.7U patent/CN203531916U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541735B (en) * | 2013-11-13 | 2015-07-08 | 葛洲坝集团第一工程有限公司 | Tunneling machine stepping pushing supporting device and construction method |
| CN109577200A (en) * | 2018-11-13 | 2019-04-05 | 上海建工集团股份有限公司 | One kind being used for more supporting leg support system reaction of bearing control device and methods |
| CN109577200B (en) * | 2018-11-13 | 2020-07-07 | 上海建工集团股份有限公司 | Support counter force control device and method for multi-leg support system |
| CN110179295A (en) * | 2019-06-11 | 2019-08-30 | 马宏波 | A kind of folding exhibition position device convenient for adjusting installation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140409 Effective date of abandoning: 20150708 |
|
| RGAV | Abandon patent right to avoid regrant |