CN114941287A - Be used for bridge precast hollow board installation device - Google Patents
Be used for bridge precast hollow board installation device Download PDFInfo
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- CN114941287A CN114941287A CN202210226641.3A CN202210226641A CN114941287A CN 114941287 A CN114941287 A CN 114941287A CN 202210226641 A CN202210226641 A CN 202210226641A CN 114941287 A CN114941287 A CN 114941287A
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- jack
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- mounting
- steel structure
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- 238000009434 installation Methods 0.000 title claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 53
- 239000010959 steel Substances 0.000 claims abstract description 53
- 238000010276 construction Methods 0.000 claims abstract description 11
- 240000004282 Grewia occidentalis Species 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 238000005520 cutting process Methods 0.000 description 6
- 239000003921 oil Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000007306 turnover Effects 0.000 description 2
- 240000005979 Hordeum vulgare Species 0.000 description 1
- 235000007340 Hordeum vulgare Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/06—Methods or apparatus specially adapted for erecting or assembling bridges by translational movement of the bridge or bridge sections
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The utility model provides a be used for bridge hollow core slab installation device, is including adorning steel construction frame unit, jack unit, spout unit, its characterized in that: the steel structure frame unit is rectangular steel structure frame, the jack unit includes two jacks, a jack top pad, the spout unit is two parallel arrangement's channel-section steel, wherein: when the mounting device is used, two pairs of rails are respectively arranged at two ends of the hollow plate, so that a rectangular steel structure frame constructed by the four-corner pulleys moves in the pair of rails, and the two mounting devices are arranged at two ends of the hollow plate and are used in a matched mode. The mounting device for the bridge precast hollow slab has the advantages of simple structure, convenience in manufacturing and mounting, low requirement on the site in the mounting process of the hollow slab, great suitability for the working conditions that a crane is difficult to transfer and a river cannot enter an operation site, great improvement on safe operation efficiency and capability of quickly and accurately mounting the hollow slab.
Description
Technical Field
The invention relates to a bridge construction auxiliary device, in particular to a bridge prefabricated hollow slab mounting device.
Background
The hoisting of the prefabricated hollow slab in the bridge construction is a relatively common construction method, except for a cast-in-place box girder construction process, the other prefabricated box girders are almost installed by adopting a hoisting method, but the hoisting construction process has the problems of high requirement on a construction site, large potential safety hazard during hoisting operation, difficulty in aligning the supporting center line of the hollow slab with the support center line in the hoisting process and the like.
Therefore, the known hoisting method of the bridge precast hollow slab has various inconveniences and problems.
Disclosure of Invention
The invention aims to provide a safe and reliable mounting device for a bridge precast hollow slab.
In order to achieve the purpose, the technical solution of the invention is as follows:
the utility model provides a be used for bridge hollow core slab installation device, is including adorning steel construction frame unit, jack unit, spout unit, its characterized in that:
the steel structure frame unit is a rectangular steel structure frame which comprises two bottom beams, the two bottom beams are arranged in parallel, and a plurality of cross beams are fixedly arranged at two ends of the upper surface of each bottom beam respectively; pulley seat frames are fixedly arranged at four corners below the rectangular steel structure frame respectively, and pulleys are movably arranged in the pulley seat frames;
the jack unit comprises two jacks and a jack pad, the two jacks are respectively and fixedly arranged in the centers of the upper surfaces of the cross beams at the two ends of the bottom beam, the jack pad is a channel steel, and the jack pad is movably arranged at the top ends of the two jacks; a matched manual oil pump is arranged between the two jacks to control the jacking and descending actions of the jacks;
the sliding groove units are two parallel channel steels, grooves of the channel steels are laid upwards as tracks, pulleys are movably accommodated in the grooves, and pulleys at the lower end parts of two sides of the rectangular steel structure frame walk in the parallel groove tracks;
wherein: when the mounting devices are used, two pairs of rails are respectively arranged at two ends of the hollow slab, so that a rectangular steel structure frame constructed by the four-corner pulleys moves in the pair of rails, and the two mounting devices are arranged at two ends of the hollow slab and are matched in pairs for use.
The device for mounting the bridge precast hollow slab can be further realized by adopting the following technical measures.
The installation device for the bridge precast hollow slab comprises a bottom beam, a bottom beam and a connecting rod.
The installation device for the bridge precast hollow slab comprises a beam, a beam and a connecting piece.
The installation device for the bridge precast hollow slab is characterized in that the jack is a hydraulic jack.
The aforementioned installation device for a bridge hollow core slab, wherein the pulleys are provided as double pulleys in each pulley seat frame, the double pulleys being arranged in parallel with each other.
The device for mounting the bridge precast hollow slab is characterized in that the bearing load of the pulleys is more than or equal to 1 ton.
The device for installing the bridge precast hollow slab is characterized in that the specification of the channel steel is more than or equal to 80 × 30 × 5.0.
After the technical scheme is adopted, the device for mounting the bridge precast hollow slab has the following advantages:
1. the mounting device is simple in structure, is made of a novel material with high strength and turnover resistance, and is simple to manufacture;
2. the device has the advantages of convenient field installation and operation, high structural strength and low requirement on the field in the installation process of the hollow slab, and is particularly suitable for the working conditions that a crane is difficult to transfer and a river cannot enter the operation field;
3. promote safe operating efficiency by a wide margin, the hollow core plate of installation that can be quick accurate prevents that the hidden danger from taking place.
Drawings
FIG. 1 is a schematic structural view of a hollow slab mounting apparatus according to an embodiment of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic view of a mounting device according to an embodiment of the present invention;
fig. 4 is a schematic diagram of an installation node according to an embodiment of the present invention.
In the figure: the mounting device comprises a 1 st channel steel, a 2 nd jack, a 3 rd manual oil pump, a 4 nd channel steel, a 2 nd channel steel, 5H-shaped steel, 6 pulleys, 7 chutes, 8 hollow plates, 9 back walls, 10 supports, 11 cushion stones, 12 bent caps, an arrow A and an arrow B, wherein the arrow A is a mounting sequence, and the arrow B is a sliding direction of the mounting device.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
Example 1
The invention discloses a bridge precast hollow slab mounting device which comprises a steel structure frame mounting unit, a jack unit and a chute unit.
Referring now to fig. 1-2, fig. 1 is a schematic structural view of a hollow slab installation apparatus according to an embodiment of the present invention, and fig. 2 is a side view of fig. 1. As shown in the figure, the steel structure frame unit is a rectangular steel structure frame, the rectangular steel structure frame comprises two bottom beams, the two bottom beams are arranged in parallel, and a plurality of cross beams are respectively fixedly arranged at two ends of the upper surface of the two bottom beams; pulley seat frames are respectively fixedly arranged at four corners below the rectangular steel structure frame, and pulleys 6 are movably arranged in the pulley seat frames; the bottom beam is I-shaped steel 5, the cross beam is a 2 nd channel steel 4, and the specification of the 2 nd channel steel is 80 x 30 x 5.0.
The jack unit comprises two jacks 2 and a jack pad, the two jacks are respectively and fixedly arranged in the centers of the upper surfaces of the cross beams at the two ends of the bottom beam, the jack pad is a 1 st channel steel 1, and the jack pad is movably arranged at the top ends of the two jacks; a manual hydraulic oil pump 3 matched with the two jacks is arranged between the two jacks to control the jacking and descending actions of the jacks; the jack is a hydraulic jack.
The sliding chute 7 units are two parallel channel steels, grooves of the channel steels are laid upwards as tracks, pulleys are movably accommodated in the grooves, and pulleys at the lower end parts of two sides of the rectangular steel structure frame walk in the parallel groove tracks; the pulleys are provided as double pulleys in each pulley seat frame, the double pulleys being arranged parallel to each other. The bearing load of the pulley is 1 ton.
Wherein: when the mounting device is used, two pairs of rails are respectively arranged at two ends of the hollow plate 8, so that a rectangular steel structure frame constructed by the four-corner pulleys moves in the pair of rails, and the two mounting devices are arranged at two ends of the hollow plate and are used in a matched mode.
Example 2
The invention discloses a manufacturing method of a mounting device for a bridge precast hollow slab, which comprises the following steps:
1. manufacturing a sliding chute:
1) cutting and cutting the channel steel (80 × 20 × 5 mm) according to the actual required length on site;
2) and only 20mm width is reserved for cutting the width of two legs of the channel steel.
2. Manufacturing a device framework structure:
1) cutting off the I-shaped steel (50X 63X 4.5 mm) into 2 pieces with the length of 1500 mm;
2) respectively welding 8 pulleys at the end part of the I-shaped steel;
3) cutting and cutting channel steel (80 × 30 × 5 mm), 4 (a jack base) pieces with the length of 500mm, 1 (a jack pad) piece with the length of 1500mm, and counting 5 pieces;
4) 4 pieces of long groove steel with the length of 500mm are used as a jack base and are respectively welded at two ends of the I-shaped steel, and the long groove steel with the length of 1500mm is used as a jack pad and is fixed with the jack;
5) and placing the combined material in the sliding groove.
Example 3
Fig. 3 is a schematic view of a use state of an installation apparatus according to an embodiment of the present invention, and fig. 4 is a schematic view of an installation node according to an embodiment of the present invention. The invention discloses a using method of a bridge precast hollow slab mounting device, which comprises the following steps:
step 4, hoisting the hollow plate to the mounting device, then transversely moving the hollow plate to a corresponding support, aligning the hollow plate to the central line, releasing jack oil pressure, withdrawing the piston rod, dropping the hollow plate on a support cushion 11, and withdrawing the mounting device;
and 5, repeating the steps 3 and 4 until the installation of the hollow slab is completed.
The device for mounting the bridge prefabricated hollow slab is made of high-strength and turnover-resistant materials, is simple to manufacture, convenient to install and operate on site, high in structural strength, low in requirement on site in the hoisting process, especially under the working condition that a crane is difficult to transfer and a river cannot enter an operation site, greatly reduces the potential safety hazard, and can mount the hollow slab quickly and accurately.
The device for installing the bridge precast hollow slab is applied to the barley river bridge engineering of the reconstruction engineering of the district of the leaf county of the G234 line, has obvious effect, and obtains sufficient certainty of construction units, supervision units and construction units.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes or modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions should also fall within the scope of the present invention, and should be defined by the claims.
Claims (7)
1. The utility model provides a be used for bridge hollow core slab installation device, is including adorning steel construction frame unit, jack unit, spout unit, its characterized in that:
the steel structure frame unit is a rectangular steel structure frame, the rectangular steel structure frame comprises two bottom beams, the two bottom beams are arranged in parallel, and a plurality of cross beams are respectively fixedly arranged at two ends of the upper surface of each bottom beam; pulley seat frames are fixedly arranged at four corners below the rectangular steel structure frame respectively, and pulleys are movably arranged in the pulley seat frames;
the jack unit comprises two jacks and a jack pad, the two jacks are respectively and fixedly arranged in the centers of the upper surfaces of the cross beams at the two ends of the bottom beam, the jack pad is a channel steel, and the jack pad is movably arranged at the top ends of the two jacks; a matched manual oil pump is arranged between the two jacks to control the jacking and descending actions of the jacks;
the sliding groove units are two parallel channel steels, grooves of the channel steels are laid upwards as tracks, pulleys are movably accommodated in the grooves, and pulleys at the lower end parts of two sides of the rectangular steel structure frame walk in the parallel groove tracks;
wherein: when the mounting device is used, two pairs of rails are respectively arranged at two ends of the hollow plate, so that a rectangular steel structure frame constructed by the four-corner pulleys moves in the pair of rails, and the two mounting devices are arranged at two ends of the hollow plate and are used in a matched mode.
2. The hollow core slab mounting apparatus for bridges of claim 1, wherein the bottom beam is an i-beam.
3. The hollow slab mounting apparatus for bridges of claim 1, wherein the cross beam is a channel steel.
4. The apparatus for installing the precast hollow slab for the bridge according to claim 1, wherein the jack is a hydraulic jack.
5. The hollow slab installation apparatus for bridges according to claim 1, wherein the pulleys are provided as double pulleys in each pulley seat frame, the double pulleys being arranged in parallel with each other.
6. The hollow slab mounting device for bridges according to claim 1, wherein the load of the pulleys is greater than or equal to 1 ton.
7. The hollow slab installation apparatus for bridges according to claim 1, wherein the channel steel has a specification of 80 x 30 x 5.0 or more.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210226641.3A CN114941287A (en) | 2022-03-09 | 2022-03-09 | Be used for bridge precast hollow board installation device |
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CN202210226641.3A CN114941287A (en) | 2022-03-09 | 2022-03-09 | Be used for bridge precast hollow board installation device |
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CN202210226641.3A Pending CN114941287A (en) | 2022-03-09 | 2022-03-09 | Be used for bridge precast hollow board installation device |
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Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006233574A (en) * | 2005-02-24 | 2006-09-07 | Sankyu Inc | Transport mounting method of heavy load and transport mounting device |
CN205529940U (en) * | 2016-03-23 | 2016-08-31 | 上海同济城市规划设计研究院 | Bridge beam supports draw -out device |
CN205934734U (en) * | 2016-08-15 | 2017-02-08 | 中国水利水电第十四工程局有限公司 | Supplementary handing equipment of prefabricated T roof beam sideslip |
CN206034300U (en) * | 2016-08-29 | 2017-03-22 | 王文广 | Move liangping car and with moving large -tonnage precast beam sideslip device that liangping car was made |
CN107354871A (en) * | 2017-08-11 | 2017-11-17 | 中国水利水电第七工程局有限公司 | A kind of precast beam is traversing and vertical fall girder apparatus and falls beam method |
CN111691304A (en) * | 2020-06-09 | 2020-09-22 | 中交第二航务工程局有限公司 | Method and device for mounting prefabricated bridge deck between sections of steel-concrete composite beam |
CN112853985A (en) * | 2021-01-13 | 2021-05-28 | 中建五局土木工程有限公司 | Translation traction construction method for PC narrow and high track beam on cast-in-place beam |
CN214089524U (en) * | 2020-11-17 | 2021-08-31 | 河南省第一建筑工程集团有限责任公司 | Prefabricated bridge installation translation device |
CN113459272A (en) * | 2021-06-10 | 2021-10-01 | 中国五冶集团有限公司 | A construction work platform for prefabricating case roof beam |
-
2022
- 2022-03-09 CN CN202210226641.3A patent/CN114941287A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006233574A (en) * | 2005-02-24 | 2006-09-07 | Sankyu Inc | Transport mounting method of heavy load and transport mounting device |
CN205529940U (en) * | 2016-03-23 | 2016-08-31 | 上海同济城市规划设计研究院 | Bridge beam supports draw -out device |
CN205934734U (en) * | 2016-08-15 | 2017-02-08 | 中国水利水电第十四工程局有限公司 | Supplementary handing equipment of prefabricated T roof beam sideslip |
CN206034300U (en) * | 2016-08-29 | 2017-03-22 | 王文广 | Move liangping car and with moving large -tonnage precast beam sideslip device that liangping car was made |
CN107354871A (en) * | 2017-08-11 | 2017-11-17 | 中国水利水电第七工程局有限公司 | A kind of precast beam is traversing and vertical fall girder apparatus and falls beam method |
CN111691304A (en) * | 2020-06-09 | 2020-09-22 | 中交第二航务工程局有限公司 | Method and device for mounting prefabricated bridge deck between sections of steel-concrete composite beam |
CN214089524U (en) * | 2020-11-17 | 2021-08-31 | 河南省第一建筑工程集团有限责任公司 | Prefabricated bridge installation translation device |
CN112853985A (en) * | 2021-01-13 | 2021-05-28 | 中建五局土木工程有限公司 | Translation traction construction method for PC narrow and high track beam on cast-in-place beam |
CN113459272A (en) * | 2021-06-10 | 2021-10-01 | 中国五冶集团有限公司 | A construction work platform for prefabricating case roof beam |
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Application publication date: 20220826 |
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