CN204803765U - Cast -in -place continuous case roof beam of high mound bridge whereabouts device - Google Patents
Cast -in -place continuous case roof beam of high mound bridge whereabouts device Download PDFInfo
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- CN204803765U CN204803765U CN201520448695.XU CN201520448695U CN204803765U CN 204803765 U CN204803765 U CN 204803765U CN 201520448695 U CN201520448695 U CN 201520448695U CN 204803765 U CN204803765 U CN 204803765U
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- shoulder pole
- pole girder
- ground tackle
- jack
- finish rolling
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- 238000005096 rolling process Methods 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 238000011065 in-situ storage Methods 0.000 claims description 12
- 230000007480 spreading Effects 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000012876 topography Methods 0.000 abstract description 2
- 244000035744 Hura crepitans Species 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to a cast -in -place continuous case roof beam of high mound bridge whereabouts device, include last balance beam, jack, oil pump, finish rolling spiral, connector, go up ground tackle, lower ground tackle, billet, lower balance beam, bottom ground tackle, support longeron, whole device has that simple structure is light, the operating expenses is low, safe risk is little, easily operation, and the construction progress is fast, receives topography, the little advantage of general configuration of the earth's surface restriction.
Description
Technical field
The utility model relates to a kind of high pier bridge Cast-in-Situ Continuous Beam falling apparatus.
Background technology
Current, high pier bridge Cast-in-Situ Continuous Beam generally adopts MSS method to construct.But for mountain area height Dun little Ban Jingquxianliang, due to a varied topography, cannot provide mobile formwork assembled place, in addition the too small MSS method that causes of sweep cannot use, buttress Bailey truss method in usual employing, without buttress six or four military beam falsework method, without buttress external prestressing dismounting boom support method, these supports all belong to high-altitude support, all relate to the dismounting work of support.One of existing high-altitude support removing technical scheme adopts large-scale crane to coordinate dismounting method, but adopt large-scale crane to coordinate Demolition Scheme comparatively large by landform, landforms restriction, and costly; Two of existing high-altitude support removing technical scheme is fallen with rope after high-altitude splits by support again, and program risk is higher, and progress is slower, therefore, how to find a kind of expense and Hazard ratio lower, progress is fast, is problem to be solved by landform, the less device of landforms restriction always.
Utility model content
The main object of the utility model be to provide a kind of simple and light, operating expenses is low, security risk is little, is easy to operation, construction speed is fast, limits little high pier bridge Cast-in-Situ Continuous Beam falling apparatus by landform, landforms.
For overcoming the deficiencies in the prior art, the utility model adopts following technical scheme: a kind of high pier bridge Cast-in-Situ Continuous Beam falling apparatus, comprise shoulder pole girder, jack, oil pump, finish rolling deformed bar, connector, upper ground tackle, lower ground tackle, billet, lower shoulder pole girder, bottom ground tackle, support longeron composition, described jack is placed in case top surface of the beam, shoulder pole girder in its top braces; Described upper shoulder pole girder two ends respectively penetrate 1 finish rolling deformed bar, and finish rolling deformed bar upper end ground tackle is fixed on upper shoulder pole girder end face, and lower end through lower ground tackle, billet, support longeron, lower shoulder pole girder, and is anchored on lower shoulder pole girder with bottom ground tackle; Described lower shoulder pole girder end face and the upper chord bottom surface of support longeron hold out against, and bear the total weight in support longeron dropping process.
Further, this device has two groups, is positioned over case beam two ends respectively, co-operation, often group has upper shoulder pole girder 2,4, jack, 4, oil pump, finish rolling deformed bar 4, upper ground tackle 4 overlaps, lower ground tackle some (4 times of fining twisted steel spreading number of times), billet 4 pieces, connector some (4 times of fining twisted steel spreading number of times), lower shoulder pole girder 4, bottom ground tackle 4 overlaps.
Further, described upper shoulder pole girder adopts falsework for erecting bridge rod member to interlock between two and processes, and lower shoulder pole adopts 28 channel-section steel processing and fabricatings.
Further, described jack adopts 40 tons of hydraulic jack, is symmetrically placed in shoulder pole two ends between two, shoulder pole girder on common support.
Further, the every root symmetry of described upper shoulder pole girder fixes 2 φ 32 finish rolling deformed bars, and in support dropping process, finish rolling deformed bar is by connector spreading.
Further, by the jacking repeatedly of described jack, oil return, constantly to transfer, spreading finish rolling deformed bar, reach the object of at the uniform velocity whereabouts support longeron.
The beneficial effects of the utility model are: adopt fining twisted steel shoulder pole and case beam on back passes to be connected on support longeron by lower shoulder pole, by the jacking of upper shoulder pole jack, oil return, constantly transfer, spreading fining twisted steel makes support longeron at the uniform velocity fall, finally remove high-altitude rack beams, whole device have simple and light, operating expenses is low, security risk is little, be easy to operation, construction speed is fast, limits little advantage by landform, landforms.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of high pier bridge Cast-in-Situ Continuous Beam falling apparatus of the utility model;
Fig. 2 is the schematic diagram of a kind of high pier bridge Cast-in-Situ Continuous Beam falling apparatus entirety of the utility model when using.
Detailed description of the invention
The technological means realized for making the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with detailed description of the invention, setting forth the utility model further.
Consult shown in Fig. 1 and Fig. 2, a kind of high pier bridge Cast-in-Situ Continuous Beam falling apparatus, comprises
Upper shoulder pole girder 2, jack 3, oil pump 12, finish rolling deformed bar 5, connector 6, upper ground tackle 1, lower ground tackle 4, billet 13, lower shoulder pole girder 7, bottom ground tackle 8, support longeron 9 form, described jack 3 is placed in case top surface of the beam, shoulder pole girder 2 in its top braces; Described upper shoulder pole girder 2 two ends respectively penetrate 1 finish rolling deformed bar 5, finish rolling deformed bar 5 upper end ground tackle 1 is fixed on upper shoulder pole girder 2 end face, lower end through lower ground tackle 4, billet 13, support longeron 9, lower shoulder pole girder 7, and is anchored on lower shoulder pole girder 7 with bottom ground tackle 8; Described lower shoulder pole girder 7 end face and the upper chord bottom surface of support longeron 9 hold out against, and bear the total weight in support longeron 9 dropping process.
In the present embodiment, the operating principle of the beam that falls utilizes the stroke of jack 3 progressively to transfer longeron 9, and as shown in Figure 1, on case beam one end carriage face, horizontal symmetrical places 4 jack 3, and every two jack 3 support a upper shoulder pole girder 2; On every root shoulder pole girder 2 preformed hole in symmetry penetrate two finish rolling deformed bars 5, with ground tackle 1, fining twisted steel 5 upper end is fixed on upper shoulder pole girder 2; Lower shoulder pole girder 7 through lower ground tackle 4, billet 13, case top surface of the beam preformed hole 10, case soffit preformed hole 11, support longeron 9, lower shoulder pole girder 7, is fixed on end ground tackle 8 successively in fining twisted steel 5 lower end; Lower shoulder pole girder 7 holds out against with support longeron upper chord bottom surface.Another group device is also installed by this law.
After concrete box girder tensioning completes, sandbox unloads, oil pump 12 oil-feed, shoulder pole girder 2 in jack 3 jacking, pricks screw-thread steel 5 and drives support longeron 9 to promote, stop promoting after bottom surface and the sandbox end face of support longeron 9 depart from by essence, dismounting sandbox; Oil pump 12 oil return, jack 3 piston slowly falls after rise to leaving 10mm height, and be rotated down lower ground tackle 4 to closely connected with billet 13, jack 3 piston falls after rise completely, makes case beam directly bear support longeron 9 weight; On screw on ground tackle 1 to jack 3 range height, oil pump 12 oil-feed, in jack 3 jacking, shoulder pole girder 2 and upper ground tackle 1 are tightly linked, and above screw off ground tackle 4, upper shoulder pole girder 2 and jack 3 bear support longeron 9 weight jointly; Oil pump 12 oil return, jack 3 piston slowly falls after rise, and be rotated down lower ground tackle 4 to closely connected with billet 13, jack 3 piston falls after rise completely, and fining twisted steel 5 drives support longeron 9 to fall the height of a range of jack 3; Repeat step, support longeron 9 can be made slowly to fall; When upper ground tackle 1 is threaded to fining twisted steel 5 top, with connector 6 spreading fining twisted steel 5, then recuperation above-mentioned steps, finally make support longeron 9 original position transfer and land.
The utility model efficiently solves the construction difficult problem that high-altitude support entirety falls to removing, and has saved large-scale crane usage charges about 1,000,000 yuan.
The beneficial effects of the utility model are: adopt fining twisted steel shoulder pole and case beam on back passes to be connected on support longeron by lower shoulder pole, by the jacking of upper shoulder pole jack, oil return, constantly transfer, spreading fining twisted steel makes support longeron at the uniform velocity fall, finally remove high-altitude rack beams, whole device have simple and light, operating expenses is low, security risk is little, be easy to operation, construction speed is fast, limits little advantage by landform, landforms.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and manual just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. one kind high pier bridge Cast-in-Situ Continuous Beam falling apparatus, this device comprises shoulder pole girder, jack, oil pump, finish rolling deformed bar, connector, upper ground tackle, lower ground tackle, billet, lower shoulder pole girder, bottom ground tackle, support longeron composition, described jack is placed in case top surface of the beam, shoulder pole girder in its top braces; Described upper shoulder pole girder two ends respectively penetrate root finish rolling deformed bar, and finish rolling deformed bar upper end ground tackle is fixed on upper shoulder pole girder end face, and lower end through lower ground tackle, billet, support longeron, lower shoulder pole girder, and is anchored on lower shoulder pole girder with bottom ground tackle; Described lower shoulder pole girder end face and the upper chord bottom surface of support longeron hold out against, and bear the total weight in support longeron dropping process.
2. one according to claim 1 high pier bridge Cast-in-Situ Continuous Beam falling apparatus, is characterized in that: described upper shoulder pole girder adopts falsework for erecting bridge rod member to interlock between two and processes, and lower shoulder pole is 28 channel-section steels.
3. one according to claim 1 high pier bridge Cast-in-Situ Continuous Beam falling apparatus, is characterized in that: described jack is 40 tons of hydraulic jack, is symmetrically placed in shoulder pole two ends between two, shoulder pole girder on common support.
4. one according to claim 1 high pier bridge Cast-in-Situ Continuous Beam falling apparatus, is characterized in that: the every root symmetry of described upper shoulder pole girder fixes 2 φ 32 finish rolling deformed bars, and in support dropping process, finish rolling deformed bar is provided with connector spreading.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520448695.XU CN204803765U (en) | 2015-06-26 | 2015-06-26 | Cast -in -place continuous case roof beam of high mound bridge whereabouts device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520448695.XU CN204803765U (en) | 2015-06-26 | 2015-06-26 | Cast -in -place continuous case roof beam of high mound bridge whereabouts device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204803765U true CN204803765U (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520448695.XU Expired - Fee Related CN204803765U (en) | 2015-06-26 | 2015-06-26 | Cast -in -place continuous case roof beam of high mound bridge whereabouts device |
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| Country | Link |
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| CN (1) | CN204803765U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106368127A (en) * | 2016-11-08 | 2017-02-01 | 中铁上海工程局集团有限公司 | Whole support landing device and method for box girder support |
| CN106758846A (en) * | 2017-01-12 | 2017-05-31 | 江苏省交通技师学院 | Cast-in-place box beam bracket and construction method |
| CN109339036A (en) * | 2018-10-17 | 2019-02-15 | 中铁大桥局第七工程有限公司 | A kind of device and method for the decentralization of deep and long hole steel reinforcement cage |
-
2015
- 2015-06-26 CN CN201520448695.XU patent/CN204803765U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106368127A (en) * | 2016-11-08 | 2017-02-01 | 中铁上海工程局集团有限公司 | Whole support landing device and method for box girder support |
| CN106758846A (en) * | 2017-01-12 | 2017-05-31 | 江苏省交通技师学院 | Cast-in-place box beam bracket and construction method |
| CN109339036A (en) * | 2018-10-17 | 2019-02-15 | 中铁大桥局第七工程有限公司 | A kind of device and method for the decentralization of deep and long hole steel reinforcement cage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: CHINA RAILWAY AIRPORT CONSTRUCTION Group Corp. Person in charge of patents Document name: payment instructions |
|
| DD01 | Delivery of document by public notice | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 |
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| CF01 | Termination of patent right due to non-payment of annual fee |