CN205778923U - A kind of tunnel-liner anti-floating structure of needle beam formwork jumbo - Google Patents
A kind of tunnel-liner anti-floating structure of needle beam formwork jumbo Download PDFInfo
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- CN205778923U CN205778923U CN201620527601.2U CN201620527601U CN205778923U CN 205778923 U CN205778923 U CN 205778923U CN 201620527601 U CN201620527601 U CN 201620527601U CN 205778923 U CN205778923 U CN 205778923U
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Abstract
The utility model discloses a kind of tunnel-liner anti-floating structure of needle beam formwork jumbo, it includes anti-floating mechanism, supporting mechanism and position-limit mechanism, anti-floating mechanism, supporting mechanism are arranged between the Vierendeel girder on chassis and trolley formwork, and anti-floating mechanism is arranged at the observation panel at trolley formwork top；Anti-floating mechanism includes anti-floating support, jack, and jack is arranged on anti-floating support, and it is along tunnel-liner directional spreding；Position-limit mechanism includes fixed plate, spiral shell block and push rod, and position-limit mechanism is arranged between the Vierendeel girder on chassis and needle beam.The tunnel-liner needle beam formwork jumbo anti-floating that this utility model provides moves Structural application in lining construction, it is rational in infrastructure, anti-floating mechanism is effectively ensured the stable operation of needle beam formwork jumbo, free gap between position-limit mechanism conservative control needle beam and Vierendeel girder, ensure that lining construction quality, and anti-floating mechanism convenient disassembly, improve the convenience of construction.
Description
Technical field
This utility model relates to technical field of tunnel construction, particularly relates to a kind of tunnel-liner anti-floating structure of needle beam formwork jumbo.
Background technology
Along with the development of tunnel construction technology, constructing tunnel equipment continues to optimize development, and the commonly used lining template trolley for baffle of people carries out the construction of tunnel inner concrete lining cutting.
Needle beam formwork jumbo is extensively applied and constructing tunnel, it uses self-compacting concrete to construct, self-compacting concrete has good mobility, education resistance, gap by property and the advantage of fillibility, and needle beam formwork jumbo can be with tunneling boring disposable concreting molding.
Due to the good fluidity of self-compacting concrete, after concrete enters mould, trolley formwork is produced impact, causes formwork jumbo to float.If the template both sides liquid level discrepancy in elevation is excessive, also template can be produced lateral bias effect, along with concrete liquid level rising buoyancy and lateral pressure sufficiently large time, may result in trolley formwork float-amount or amount of side-shift is excessive, and then there will be termination spillage race mould, cause and pour time delay and even interrupt, affect construction quality and efficiency of construction.For case above, needle beam formwork jumbo arranges anti-floating system, it is ensured that the stable operation of needle beam formwork jumbo.
Anti-floating system typically uses screw mechanism, along with carrying out of concreting, the anti-floating system of trolley formwork obtains leading screw and gradually tightens, when concreting to top watch window, need to dismantle anti-floating system, close observation window, could continue casting concrete；And now, under chassis buoyancy, cause leading screw tension, it is impossible to carry out the dismounting of anti-floating system, improve difficulty of construction, affect construction speed.
Additionally, trolley formwork on needle beam formwork jumbo and Vierendeel girder are an overall structure, this structure is moved by drive mechanism on needle beam, thus, free gap is inevitably there is between Vierendeel girder and needle beam, if chassis floats or sidesway, anti-floating system cannot i.e. affect lining construction quality to the adjustment in gap between Vierendeel girder and needle beam.
Utility model content
The purpose of this utility model is for above-mentioned technical problem, a kind of tunnel-liner anti-floating structure of needle beam formwork jumbo rational in infrastructure is provided, it is applied to lining construction, anti-floating mechanism is effectively ensured the stable operation of needle beam formwork jumbo, free gap between position-limit mechanism conservative control needle beam and Vierendeel girder, ensure that lining construction quality, and anti-floating mechanism convenient disassembly, improve the convenience of construction.
The technical solution of the utility model:
For solving above-mentioned technical problem, this utility model provides a kind of tunnel-liner anti-floating structure of needle beam formwork jumbo, and it includes anti-floating mechanism, supporting mechanism and position-limit mechanism.
Anti-floating mechanism, supporting mechanism are arranged between the Vierendeel girder on chassis and trolley formwork, and anti-floating mechanism is arranged at the observation panel at trolley formwork top.
Anti-floating mechanism includes anti-floating support, jack, and jack is arranged on anti-floating support, and it is along tunnel-liner directional spreding；Anti-floating mechanism effectively regulates fluctuating of trolley formwork, it is ensured that the stable operation of needle beam formwork jumbo；Wherein, use jack to replace screw mechanism, reduce the difficulty of dismounting anti-floating mechanism, improve efficiency of construction；Jack regulation axial force of the supports can be reached by simultaneously, improve the safety of concreting process.
Position-limit mechanism includes fixed plate, spiral shell block and push rod, and position-limit mechanism is arranged between the Vierendeel girder on chassis and needle beam；Free gap between position-limit mechanism conservative control needle beam and Vierendeel girder, makes the stable operation of needle beam formwork jumbo, i.e. ensures lining construction quality.
The most optimally, described anti-floating mechanism includes end anti-floating mechanism, middle part anti-floating mechanism；End anti-floating mechanism is arranged on front end and the rear end of needle beam formwork jumbo, and anti-floating support thereon is vertical with tunnel-liner direction；Middle part anti-floating mechanism is arranged between the anti-floating mechanism of end, and anti-floating support thereon is parallel with tunnel-liner direction.
The most optimally, described position-limit mechanism includes vertical spacing mechanism, cross spacing mechanism；On the walking wheel carrier that fixed plate in vertical spacing mechanism is welded on Vierendeel girder, push rod and the walking rail contact on needle beam；Fixed plate in cross spacing mechanism is welded on the column on Vierendeel girder, and push rod contacts with the web on needle beam.
The most optimally, described anti-floating support includes portal, skewed horizontal load, and one end of skewed horizontal load is welded on door type frame, and its other end is welded on Vierendeel girder, and it is 45 ° with the angle of Vierendeel girder.
The most optimally, being provided with circular hole in the middle part of described fixed plate, the middle part of spiral shell block is provided with screwed hole, and on spiral shell block welding circular hole in fixed plate, the screwed hole on spiral shell block is concentric with the circular hole in fixed plate；The outside of push rod is provided with screw thread, and push rod is threadedly attached on spiral shell block.
The most optimally, a length of 300-400mm of described push rod, its end is provided with non-threaded section, and a length of 50mm of non-threaded section is provided with on non-threaded section and tightens hole；The external diameter of push rod is not less than 50mm.
The most optimally, the thickness of described fixed plate is not less than 20mm.
The most optimally, described anti-floating mechanism also includes extension, and it is fixed on jack by cuff, if the critical distance of jack can not contact trolley formwork, can use extension, make acting on trolley formwork of jack.
This utility model beneficial effect:
The tunnel-liner needle beam formwork jumbo anti-floating that this utility model provides moves Structural application in lining construction, and it is rational in infrastructure, and concrete effect is:
(1) change the leading screw in anti-floating mechanism into jack, reduce anti-floating mechanism dismounting difficulty, reduce and pour break time, improve efficiency of construction；Jack regulation axial force of the supports can be reached by simultaneously, improve the safety of concreting process；
(2) position-limit mechanism arranged, the free gap between conservative control needle beam and Vierendeel girder, jointly resist Float upward function, it is ensured that lining construction quality.
Accompanying drawing explanation
By the detailed description made in conjunction with the following drawings, of the present utility model above-mentioned and/or other aspects and advantage will be apparent from and be easier to understand, and these accompanying drawings the most schematically, are not limiting as this utility model, wherein:
Fig. 1 is this utility model structural representation；
Fig. 2 is the end anti-floating mechanism structure schematic diagram of this utility model；
Fig. 3 is the middle part anti-floating mechanism structure schematic diagram of this utility model；
Fig. 4 is anti-floating mechanism structure schematic diagram in prior art；
Fig. 5 is the anti-floating mechanism structure schematic diagram of this utility model；
Fig. 6 is the left view of Fig. 5；
Fig. 7 is the position-limit mechanism structural representation of this utility model；
Fig. 8 is the fixed position schematic diagram of position-limit mechanism in this utility model.
In accompanying drawing, the parts representated by each label are as follows:
1. trolley formwork；2. Vierendeel girder；3. needle beam；4. jack；5. position-limit mechanism；6. fixed plate；7. spiral shell block；8. push rod；9. end anti-floating mechanism；10. anti-floating mechanism in the middle part of；11. vertical spacing mechanisms；12. cross spacing mechanisms；13. portals；14. skewed horizontal load；15. tighten hole；16. anti-floating supports；17. leading screws；18. extensions；19. cuffs.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, this utility model one tunnel-liner anti-floating structure of needle beam formwork jumbo is described in detail.
The embodiment recorded at this is specific detailed description of the invention of the present utility model, is used for illustrating design of the present utility model, is all explanatory and exemplary, should not be construed as this utility model embodiment and the restriction of this utility model scope.In addition to the embodiment recorded at this, those skilled in the art can also use other technical scheme obvious based on the application claims and description disclosure of that, and these technical schemes include using the technical scheme making any obvious substitutions and modifications to the embodiment recorded at this.
The accompanying drawing of this specification is schematic diagram, aids in illustrating design of the present utility model, it is schematically indicated the shape of each several part and mutual relation thereof.Note that the structure of each parts for the ease of clearly showing this utility model embodiment, do not draw according to identical ratio between each accompanying drawing.Identical reference marker is used for representing identical part.
Fig. 1 to Fig. 3, Fig. 5 to Fig. 8 are that tunnel-liner needle beam formwork jumbo anti-floating described herein moves organigram, and a kind of tunnel-liner anti-floating structure of needle beam formwork jumbo includes anti-floating mechanism, supporting mechanism and position-limit mechanism 5.
Between Vierendeel girder 2 and trolley formwork 1 that anti-floating mechanism, supporting mechanism are arranged on chassis, anti-floating mechanism is arranged at the observation panel at trolley formwork 1 top；Anti-floating mechanism includes anti-floating support 16, jack 4, and jack 4 is arranged on anti-floating support 16, and it is along tunnel-liner directional spreding；Position-limit mechanism 5 includes fixed plate 6, spiral shell block 7 and push rod 8, between Vierendeel girder 2 and needle beam 3 that position-limit mechanism 5 is arranged on chassis.
Needle beam 3 is arranged on the inside of Vierendeel girder 2, and trolley formwork 1 is arranged on the outside of Vierendeel girder 2, and anti-floating mechanism, supporting mechanism are arranged between Vierendeel girder 2 and trolley formwork 1, and anti-floating mechanism is arranged at the observation panel at trolley formwork 1 top；Anti-floating mechanism includes anti-floating support 16, jack 4, and jack 4 is arranged on anti-floating support 16, and it is along tunnel-liner directional spreding；Described anti-floating mechanism includes end anti-floating mechanism 9, middle part anti-floating mechanism 10.
Fig. 2 is the end anti-floating mechanism structure schematic diagram of this utility model, and its front end being arranged on needle beam formwork jumbo and rear end, the anti-floating support 16 in end anti-floating mechanism 9 is vertical with tunnel-liner direction；Middle part anti-floating mechanism structure schematic diagram, as it is shown on figure 3, it is arranged between Vierendeel girder 2 and trolley formwork 1, between end anti-floating mechanism 9, the anti-floating support 16 in middle part anti-floating mechanism 10 is parallel with tunnel-liner direction.
Fig. 4 is anti-floating mechanism structure schematic diagram in prior art；Including leading screw 17；Compared with prior art, the anti-floating mechanism of the application includes anti-floating support 16, jack 4, and jack 4 is arranged on anti-floating support 16, and it is along tunnel-liner directional spreding；Wherein, use jack 4 to replace screw mechanism, reduce the difficulty of dismounting anti-floating mechanism, improve efficiency of construction；Jack 4 can be reached by simultaneously and regulate axial force of the supports, improve the safety of concreting process.Described anti-floating mechanism includes end anti-floating mechanism 9, middle part anti-floating mechanism 10.
Fig. 5 is the anti-floating mechanism structure schematic diagram of this utility model, and described anti-floating support 16 includes portal 13, skewed horizontal load 14, and one end of skewed horizontal load 14 is welded on door type frame 13, and its other end is welded on Vierendeel girder 2, and it is 45 ° with the angle of Vierendeel girder 2.Anti-floating mechanism also includes extension 18, and it is fixed on jack 4 by cuff 19, if the critical distance of jack 4 can not contact trolley formwork 1, can use extension 18, makes acting on trolley formwork 1 of jack 4.Fig. 6 is the left view of Fig. 5.
Fig. 7 is the position-limit mechanism structural representation of this utility model, and it includes fixed plate 6, spiral shell block 7 and push rod 8, and position-limit mechanism 5 is arranged between Vierendeel girder 2 and needle beam 3.
Being provided with circular hole in the middle part of described fixed plate 6, the middle part of spiral shell block 7 is provided with screwed hole, and spiral shell block 7 is welded on the circular hole in fixed plate 6, and the screwed hole on spiral shell block 7 is concentric with the circular hole in fixed plate 6；The outside of push rod 8 is provided with screw thread, and push rod 8 is threadedly attached on spiral shell block 7.
The a length of 300-400mm of described push rod 8, its end is provided with non-threaded section, and a length of 50mm of non-threaded section is provided with on non-threaded section and tightens hole 15；The external diameter of push rod 8 is not less than 50mm；The thickness of described fixed plate 6 is not less than 20mm.
Described position-limit mechanism 5 includes vertical spacing mechanism 11, cross spacing mechanism 12；Fixed plate 6 in vertical spacing mechanism 11 is welded on the walking wheel carrier on Vierendeel girder 2, push rod 8 and the walking rail contact on needle beam 3；Fixed plate 6 in cross spacing mechanism 12 is welded on the column on Vierendeel girder 2, and push rod 8 contacts with the web on needle beam 3.Position-limit mechanism 5 fixed position in this application, as shown in Figure 8.
When lining construction, points for attention are as follows: after trolley formwork 1 has positioned, first, need to be positioned at the end anti-floating mechanism 9 at needle beam formwork jumbo two ends, and be held out against by jack 4 thereon；Then, then anti-floating mechanism 10 in the middle part of installation, and jack 4 thereon is held out against；Then, fixing limit mechanism 5 is installed, and adjusts push rod 8 thereon, make the free gap between Vierendeel girder 2 and needle beam 3 reasonable；Finally, supporting mechanism and drive mechanism are installed.
The tunnel-liner needle beam formwork jumbo anti-floating that this utility model provides moves Structural application in lining construction, it is rational in infrastructure, anti-floating mechanism is effectively ensured the stable operation of needle beam formwork jumbo, free gap between position-limit mechanism conservative control needle beam and Vierendeel girder, ensure that lining construction quality, and anti-floating mechanism convenient disassembly, improve the convenience of construction.
Claims (8)
1. the tunnel-liner anti-floating structure of needle beam formwork jumbo, it is characterized in that, including anti-floating mechanism, supporting mechanism and position-limit mechanism (5), between Vierendeel girder (2) and trolley formwork (1) that anti-floating mechanism, supporting mechanism are arranged on chassis, anti-floating mechanism is arranged at the observation panel at trolley formwork (1) top；Anti-floating mechanism includes anti-floating support (16), jack (4), and jack (4) is arranged on anti-floating support (16), and it is along tunnel-liner directional spreding；Position-limit mechanism (5) includes fixed plate (6), spiral shell block (7) and push rod (8), between Vierendeel girder (2) and needle beam (3) that position-limit mechanism (5) is arranged on chassis.
The tunnel-liner anti-floating structure of needle beam formwork jumbo the most according to claim 1, it is characterised in that described anti-floating mechanism includes end anti-floating mechanism (9), middle part anti-floating mechanism (10)；End anti-floating mechanism (9) is arranged on front end and the rear end of needle beam formwork jumbo, and anti-floating support (16) thereon is vertical with tunnel-liner direction；Middle part anti-floating mechanism (10) is arranged between end anti-floating mechanism (9), and anti-floating support (16) thereon is parallel with tunnel-liner direction.
The tunnel-liner anti-floating structure of needle beam formwork jumbo the most according to claim 1, it is characterised in that described position-limit mechanism (5) includes vertical spacing mechanism (11), cross spacing mechanism (12)；Fixed plate (6) in vertical spacing mechanism (11) is welded on the walking wheel carrier on Vierendeel girder (2), push rod (8) and the walking rail contact on needle beam (3)；Fixed plate (6) in cross spacing mechanism (12) is welded on the column on Vierendeel girder (2), and push rod (8) contacts with the web on needle beam (3).
The tunnel-liner anti-floating structure of needle beam formwork jumbo the most according to claim 1, it is characterized in that, described anti-floating support (16) includes portal (13), skewed horizontal load (14), one end of skewed horizontal load (14) is welded on portal (13), its other end is welded on Vierendeel girder (2), and it is 45 ° with the angle of Vierendeel girder (2).
The tunnel-liner anti-floating structure of needle beam formwork jumbo the most according to claim 1, it is characterized in that, described fixed plate (6) middle part is provided with circular hole, the middle part of spiral shell block (7) is provided with screwed hole, spiral shell block (7) is welded on the circular hole in fixed plate (6), and the screwed hole on spiral shell block (7) is concentric with the circular hole in fixed plate (6)；The outside of push rod (8) is provided with screw thread, and push rod (8) is threadedly attached on spiral shell block (7).
The tunnel-liner anti-floating structure of needle beam formwork jumbo the most according to claim 5, it is characterized in that, a length of 300-400mm of described push rod (8), its end is provided with non-threaded section, the a length of 50mm of non-threaded section, non-threaded section is provided with and tightens hole (15)；The external diameter of push rod (8) is not less than 50mm.
The tunnel-liner anti-floating structure of needle beam formwork jumbo the most according to claim 5, it is characterised in that the thickness of described fixed plate (6) is not less than 20mm.
The tunnel-liner anti-floating structure of needle beam formwork jumbo the most according to claim 1, it is characterised in that described anti-floating mechanism also includes extension (18), and it is fixed on jack (4) by cuff (19).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620527601.2U CN205778923U (en) | 2016-06-02 | 2016-06-02 | A kind of tunnel-liner anti-floating structure of needle beam formwork jumbo |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620527601.2U CN205778923U (en) | 2016-06-02 | 2016-06-02 | A kind of tunnel-liner anti-floating structure of needle beam formwork jumbo |
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| CN205778923U true CN205778923U (en) | 2016-12-07 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108625883A (en) * | 2018-07-10 | 2018-10-09 | 中铁隧道集团二处有限公司 | A kind of anchor section trolley and construction method for the secondary lining-up construction in tunnel |
| CN112377213A (en) * | 2020-11-06 | 2021-02-19 | 湖南五新模板有限公司 | Upward floating and upward bending arch formwork system |
| CN112377215A (en) * | 2020-11-06 | 2021-02-19 | 湖南五新模板有限公司 | Upward-floating and upward-arching preventing template device with material distribution function |
| CN112377214A (en) * | 2020-11-06 | 2021-02-19 | 湖南五新模板有限公司 | Upward floating and upward bending template device with material distribution function |
-
2016
- 2016-06-02 CN CN201620527601.2U patent/CN205778923U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108625883A (en) * | 2018-07-10 | 2018-10-09 | 中铁隧道集团二处有限公司 | A kind of anchor section trolley and construction method for the secondary lining-up construction in tunnel |
| CN108625883B (en) * | 2018-07-10 | 2023-12-15 | 中铁隧道集团二处有限公司 | Anchor section trolley for secondary lining construction of tunnel and construction method |
| CN112377213A (en) * | 2020-11-06 | 2021-02-19 | 湖南五新模板有限公司 | Upward floating and upward bending arch formwork system |
| CN112377215A (en) * | 2020-11-06 | 2021-02-19 | 湖南五新模板有限公司 | Upward-floating and upward-arching preventing template device with material distribution function |
| CN112377214A (en) * | 2020-11-06 | 2021-02-19 | 湖南五新模板有限公司 | Upward floating and upward bending template device with material distribution function |
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