CN114645516A - Construction strutting arrangement suitable for low space under variable cross-section roof beam - Google Patents
Construction strutting arrangement suitable for low space under variable cross-section roof beam Download PDFInfo
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- CN114645516A CN114645516A CN202210372870.6A CN202210372870A CN114645516A CN 114645516 A CN114645516 A CN 114645516A CN 202210372870 A CN202210372870 A CN 202210372870A CN 114645516 A CN114645516 A CN 114645516A
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- 238000010276 construction Methods 0.000 title claims abstract description 35
- 238000009434 installation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
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- 239000010959 steel Substances 0.000 description 1
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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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Abstract
A construction supporting device suitable for a low space under a variable-section beam. The device comprises a plurality of supporting units and a plurality of bases which are arranged in parallel; the supporting unit comprises an upper chord, a lower chord, an adjustable upright and an inclined strut; the lower chord comprises a horizontal supporting rod, two end supporting rods and a plurality of middle supporting rods; the adjustable upright stanchion comprises an external sleeve, an internal supporting rod and a bolt; the upper chord comprises a left end rod, at least one middle rod and a right end rod which are connected in sequence through threads; and a base is connected below the horizontal support rods at the same position on all the support units. The invention has the advantages that: when the bridge is built, the height can be freely adjusted according to the specific situation of a short space during bridge construction; the supporting angle can be adjusted through the adjustable vertical rods so as to adapt to bridge construction with different structures; the position of the support unit is finely adjusted by means of a screw thread. The device has the advantages of high adaptability, convenience in installation and disassembly, capability of quickly positioning the position of the supporting node and capability of finely adjusting the supporting position.
Description
Technical Field
The invention belongs to the technical field of bridge construction auxiliary equipment, and particularly relates to a construction supporting device suitable for a low space under a variable-section beam.
Background
Due to the complexity of the stress of the bridge support, the support device has the problems of inconvenience in construction, disassembly and the like during construction. The plate buckle support is mostly used as a supporting device during bridge structure construction, but the minimum height of the plate buckle support is 550mm, but a low space is usually existed when a supporting system is arranged, and the low space is the height of the Bailey beam at the lower part of the main beam, which is not enough to place the plate buckle support, from the beam bottom space and is generally less than 550 mm. When the bailey beam and the beam bottom space are low spaces, the disc buckle support cannot be placed, and the problem of material waste caused by the fact that other section steel or square timber is used for building is caused, so that the bridge construction supporting device is needed to fill the vacant position. Because the supporting device is an important factor for determining the safety, rapidness and economic cost of construction positioning of the supporting device, the supporting device and the construction method which are suitable for different bridge working conditions are selected to adapt to the changes of different structural shapes and positions in the construction process, the rapidness of splicing and disassembling of the supporting device in the later stage is ensured, the supporting device meets the design requirements after construction is completed, and the technical problem to be solved in current bridge development is solved urgently.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a construction supporting device suitable for a low space under a variable-section beam.
In order to achieve the purpose, the construction supporting device suitable for the low space under the variable cross-section beam comprises a plurality of supporting units and a plurality of bases, wherein the supporting units are arranged in parallel; the supporting unit comprises an upper chord, a lower chord, an adjustable upright and an inclined strut; the lower chord comprises a horizontal support rod, two end support rods and a plurality of middle support rods; the end supporting rods are vertically arranged, and a screw hole is formed at the lower part of each end supporting rod along the radial direction; threads matched with screw holes on the two end supporting rods are respectively arranged at the two ends of the horizontal supporting rod; the middle support rods are vertically arranged, and the lower ends of the middle support rods are fixed at the tops of the middle parts of the horizontal support rods at intervals; each end supporting rod and the middle supporting rod are respectively provided with an adjustable upright rod; the adjustable upright stanchion comprises an external sleeve, an internal supporting rod and a bolt; a plurality of radial screw holes are formed on the inner supporting rod at intervals along the up-down direction, the lower end of the inner supporting rod is connected with the upper end of the end supporting rod or the middle supporting rod, and the upper part of the inner supporting rod is inserted into the outer sleeve; a screw hole is formed at the lower part of the outer sleeve along the radial direction, and a mounting hole is formed at the upper end of the outer sleeve along the radial direction; the bolt penetrates through the screw hole of the outer sleeve and one radial screw hole on the inner supporting rod, so that the positions of the outer sleeve and the inner supporting rod are relatively fixed; the upper chord comprises a left end rod, at least one middle rod and a right end rod which are connected in sequence through threads; the middle part of the upper chord member traverses through the mounting holes of the external sleeves on the adjustable vertical rods above the middle supporting rods, and the two ends of the upper chord member are fixed in the mounting holes of the external sleeves on the adjustable vertical rods above the two end supporting rods; an inclined strut is connected between the lower part of the end supporting rod or the middle supporting rod and the upper part of the outer sleeve on the adjacent adjustable vertical rod; and a base is connected below the horizontal support rods at the same position on all the support units.
The diameters of the horizontal support rod, the end support rod and the middle support rod on the lower chord are 8 cm.
The diameter of the inner support rod on the adjustable vertical rod is 5-6 cm.
The inclined strut is connected to the end supporting rod, the middle supporting rod or the outer sleeve through buckles.
The lower end of the inner supporting rod is provided with an external thread, and the upper end of the end supporting rod or the middle supporting rod is sunken downwards to form a screw hole matched with the external thread for fine adjustment of the whole height of the adjustable vertical rod.
The construction supporting device suitable for the low space under the variable-section beam has the advantages that: when the bridge is built, the height can be freely adjusted according to the specific condition of a short space during bridge construction; the supporting angle can be adjusted through the adjustable vertical rods so as to adapt to bridge construction with different structures; the position of the support unit is finely adjusted by means of a screw thread. The bridge has the advantages of high adaptability, convenience in installation and disassembly, capability of quickly positioning the position of the supporting node and finely adjusting the supporting position, and capability of effectively increasing the accuracy and speed of supporting, splicing and positioning, so that the bridge is in a bridge-forming state and more meets the design.
Drawings
Fig. 1 is an elevation view of a construction supporting device structure suitable for a low space under a variable-section beam provided by the invention.
Fig. 2 is an elevation view of a lower chord structure of the construction supporting device suitable for a low space under a variable-section beam.
Fig. 3 is an elevation view of an adjustable upright structure in the construction supporting device suitable for a low space under a variable-section beam.
Fig. 4 is an exploded view of an upper chord structure in the construction supporting device suitable for a low space under a variable-section beam.
Fig. 5 is an elevation view of a diagonal bracing structure in the construction supporting device suitable for a low space under a variable-section beam provided by the invention.
Detailed Description
The invention is described in detail below with reference to the figures and the specific examples.
As shown in fig. 1-5, the construction supporting device suitable for the low space under the variable cross-section beam provided by the invention comprises a plurality of supporting units arranged in parallel and a plurality of bases 1; the supporting unit comprises an upper chord 2, a lower chord 3, an adjustable upright rod 4 and an inclined strut 5; the lower chord 3 comprises a horizontal support rod 3-1, two end support rods 3-2 and a plurality of middle support rods 3-3; the end supporting rods 3-2 are vertically arranged, and a screw hole is formed at the lower part of each end supporting rod 3-2 along the radial direction; two ends of the horizontal supporting rod 3-1 are respectively provided with a thread matched with the screw holes on the two end supporting rods 3-2; the middle support rods 3-3 are vertically arranged, and the lower ends of the middle support rods 3-3 are fixed at the tops of the middle parts of the horizontal support rods 3-1 at intervals; each end supporting rod 3-2 and each middle supporting rod 3-3 are respectively provided with an adjustable upright rod 4; the adjustable upright stanchion 4 comprises an outer sleeve 4-1, an inner supporting rod 4-2 and a bolt 4-3; a plurality of radial screw holes 4-4 are formed on the inner supporting rod 4-2 at intervals along the up-down direction, the lower end is connected with the upper end of the end supporting rod 3-2 or the middle supporting rod 3-3, and the upper part is inserted into the inner part of the outer sleeve 4-1; a screw hole is formed at the lower part of the outer sleeve 4-1 along the radial direction, and a mounting hole is formed at the upper end along the radial direction; the bolt 4-3 penetrates through a screw hole arranged on the outer sleeve 4-1 and a radial screw hole 4-4 arranged on the inner supporting rod 4-2, thereby relatively fixing the positions of the outer sleeve 4-1 and the inner supporting rod 4-2; the upper chord 2 comprises a left end rod 2-1, at least one middle rod 2-2 and a right end rod 2-3 which are connected in sequence through threads; the middle part of the upper chord 2 transversely passes through a mounting hole of an external sleeve 4-1 on the adjustable vertical rod 4 above the middle supporting rod 3-3, and two ends of the upper chord are fixed in mounting holes of external sleeves 4-1 on the adjustable vertical rod 4 above the two end supporting rods 3-2; an inclined strut 5 is connected between the lower part of the end supporting rod 3-2 or the middle supporting rod 3-3 and the upper part of the outer sleeve 4-1 on the adjacent adjustable vertical rod 4; a base 1 is connected below the horizontal support rod 3-1 which is positioned at the same position on all the support units, thereby connecting all the support units into a whole.
The diameters of the upper horizontal support rod 3-1, the end support rod 3-2 and the middle support rod 3-3 of the lower chord 3 are 8 cm.
The diameter of the inner supporting rod 4-2 on the adjustable vertical rod 4 is 5-6 cm.
The inclined strut 5 is connected to the end supporting rod 3-2, the middle supporting rod 3-3 or the outer sleeve 4-1 through buckles.
The lower end of the inner supporting rod 4-2 is provided with an external thread, and the upper end of the end supporting rod 3-2 or the middle supporting rod 3-3 is sunken downwards to form a screw hole matched with the external thread for fine adjustment of the whole height of the adjustable upright rod 4.
The mounting and dismounting method of the construction support device suitable for the low space under the variable cross-section beam provided by the invention is described as follows:
when the space between the Bailey beam and the beam bottom is a low space and the construction supporting device needs to be arranged, firstly, a constructor adjusts the positions of the threads at the two ends of the horizontal supporting rod 3-1 in the screw holes on the two end supporting rods 3-2 according to the length of the low space on site to finely adjust the length of the device, then, adjustable vertical rods 4 are fixed on the lower chord 3 according to the structure of the supporting unit, the length of each adjustable vertical rod 4 is determined according to the height of the position in the low space, then, the upper chord 2 is assembled at the upper end of the adjustable vertical rod 4, the upper chord 2 is supported at the bottom of the Bailey beam at the moment, and then, the inclined strut 5 is assembled to form a supporting unit; after all the supporting units are assembled, a base 1 is connected below the horizontal supporting rods 3-1 which are positioned at the same position on all the supporting units, and therefore the construction supporting device suitable for the low space under the variable-section beam is formed.
During disassembly, the base 1 and the inclined strut 5 are sequentially disassembled, then the bolts 4-3 are loosened to separate the upper chord 2 from the lower chord 3, and finally all the components on the upper chord 2 and the lower chord 3 are disassembled.
Claims (5)
1. The utility model provides a construction strutting arrangement suitable for short space under variable cross section roof beam which characterized in that: the construction supporting device comprises a plurality of supporting units arranged in parallel and a plurality of bases (1); the supporting unit comprises an upper chord (2), a lower chord (3), an adjustable upright rod (4) and an inclined strut (5); the lower chord (3) comprises a horizontal support rod (3-1), two end support rods (3-2) and a plurality of middle support rods (3-3); the end supporting rods (3-2) are vertically arranged, and a screw hole is formed at the lower part of each end supporting rod (3-2) along the radial direction; two ends of the horizontal supporting rod (3-1) are respectively provided with a thread matched with the screw holes on the two end supporting rods (3-2); the middle support rods (3-3) are vertically arranged, and the lower ends of the middle support rods (3-3) are fixed at the top of the middle part of the horizontal support rod (3-1) at intervals; each end supporting rod (3-2) and each middle supporting rod (3-3) are respectively provided with an adjustable upright rod (4); the adjustable upright stanchion (4) comprises an external sleeve (4-1), an internal supporting rod (4-2) and a bolt (4-3); a plurality of radial screw holes (4-4) are formed on the inner supporting rod (4-2) at intervals along the up-down direction, the lower end of the inner supporting rod is connected with the upper end of the end supporting rod (3-2) or the middle supporting rod (3-3), and the upper part of the inner supporting rod is inserted into the outer sleeve (4-1); a screw hole is formed at the lower part of the outer sleeve (4-1) along the radial direction, and a mounting hole is formed at the upper end along the radial direction; the bolt (4-3) penetrates through a screw hole of the outer sleeve (4-1) and a radial screw hole (4-4) on the inner supporting rod (4-2), so that the positions of the outer sleeve (4-1) and the inner supporting rod (4-2) are relatively fixed; the upper chord (2) comprises a left end rod (2-1), at least one middle rod (2-2) and a right end rod (2-3) which are connected in sequence through threads; the middle part of the upper chord (2) traverses through a mounting hole of an external sleeve (4-1) on an adjustable vertical rod (4) positioned above the middle supporting rod (3-3), and the two ends of the upper chord are fixed in mounting holes of external sleeves (4-1) on the adjustable vertical rod (4) positioned above the two end supporting rods (3-2); an inclined strut (5) is connected between the lower part of the end supporting rod (3-2) or the middle supporting rod (3-3) and the upper part of the outer sleeve (4-1) on the adjacent adjustable upright rod (4); a base (1) is connected below the horizontal support rod (3-1) at the same position on all the support units.
2. The construction supporting device suitable for the low space below the variable cross-section beam as claimed in claim 1, wherein: the diameters of the upper horizontal support rod (3-1), the end support rod (3-2) and the middle support rod (3-3) of the lower chord (3) are 8 cm.
3. The construction supporting device suitable for the low space below the variable-section beam as claimed in claim 1, wherein: the diameter of the inner supporting rod (4-2) on the adjustable vertical rod (4) is 5-6 cm.
4. The construction supporting device suitable for the low space below the variable-section beam as claimed in claim 1, wherein: the inclined strut (5) is connected to the end supporting rod (3-2), the middle supporting rod (3-3) or the outer sleeve (4-1) through buckles.
5. The construction supporting device suitable for the low space below the variable-section beam as claimed in claim 1, wherein: the lower end of the inner supporting rod (4-2) is provided with an external thread, and the upper end of the end supporting rod (3-2) or the middle supporting rod (3-3) is recessed downwards to form a screw hole matched with the external thread and used for fine adjustment of the whole height of the adjustable vertical rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210372870.6A CN114645516B (en) | 2022-04-11 | 2022-04-11 | Construction supporting device suitable for low space under variable-section beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210372870.6A CN114645516B (en) | 2022-04-11 | 2022-04-11 | Construction supporting device suitable for low space under variable-section beam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114645516A true CN114645516A (en) | 2022-06-21 |
| CN114645516B CN114645516B (en) | 2024-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210372870.6A Active CN114645516B (en) | 2022-04-11 | 2022-04-11 | Construction supporting device suitable for low space under variable-section beam |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202047609U (en) * | 2011-03-24 | 2011-11-23 | 重庆建工第三建设有限责任公司 | Jacking bracket for integrally lifting house |
| CN103334527A (en) * | 2013-07-06 | 2013-10-02 | 杭州恒达钢构股份有限公司 | Steel structure cast-in-site floor arching construction method |
| CN109555313A (en) * | 2018-12-26 | 2019-04-02 | 山东上冶钢构股份有限公司 | A kind of adjustable gib truss for assembled floor |
| CN210086080U (en) * | 2019-05-29 | 2020-02-18 | 赵邦坤 | High-strength limiting support for bridge jacking translation |
| CN215290979U (en) * | 2021-05-18 | 2021-12-24 | 广州森曼建筑装饰工程有限公司 | Novel wall truss |
-
2022
- 2022-04-11 CN CN202210372870.6A patent/CN114645516B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202047609U (en) * | 2011-03-24 | 2011-11-23 | 重庆建工第三建设有限责任公司 | Jacking bracket for integrally lifting house |
| CN103334527A (en) * | 2013-07-06 | 2013-10-02 | 杭州恒达钢构股份有限公司 | Steel structure cast-in-site floor arching construction method |
| CN109555313A (en) * | 2018-12-26 | 2019-04-02 | 山东上冶钢构股份有限公司 | A kind of adjustable gib truss for assembled floor |
| CN210086080U (en) * | 2019-05-29 | 2020-02-18 | 赵邦坤 | High-strength limiting support for bridge jacking translation |
| CN215290979U (en) * | 2021-05-18 | 2021-12-24 | 广州森曼建筑装饰工程有限公司 | Novel wall truss |
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| Publication number | Publication date |
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| CN114645516B (en) | 2024-02-06 |
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