CN212294735U - Gantry crane track foundation beam - Google Patents
Gantry crane track foundation beam Download PDFInfo
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- CN212294735U CN212294735U CN202021735570.2U CN202021735570U CN212294735U CN 212294735 U CN212294735 U CN 212294735U CN 202021735570 U CN202021735570 U CN 202021735570U CN 212294735 U CN212294735 U CN 212294735U
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Abstract
The utility model belongs to the technical field of portal crane foundation construction and specifically relates to a portal crane track foundation beam, including the foundation beam body, the foundation beam body is concrete structure, and the foundation beam includes a plurality of standard festival section roof beams, and standard festival section roof beam top is pre-buried has the backup pad, is provided with the track in the backup pad, and it has the hole for hoist that link up to reserve on the standard festival section roof beam, and pre-buried on a side facade of standard festival section roof beam has the fixed plate. The utility model discloses not only can reduce foundation beam concrete crack, transfer and transportation after also facilitating the use, pre-buried fixed plate through every section standard festival section roof beam side facade avoids taking place inequality and subsides, has prolonged the life of portal crane track foundation beam, has shortened construction period, has improved installation quality.
Description
Technical Field
The utility model belongs to the technical field of portal crane foundation construction and specifically relates to a portal crane track foundation beam.
Background
The gantry crane is mainly used for loading and unloading outdoor goods yards, stockyards and bulk goods. The metal structure of the gantry crane is like a portal frame, two support legs are arranged below a bearing main beam and can directly run on a track on the ground, and overhanging cantilever beams can be arranged at the two ends of the main beam.
The gantry crane track is usually required to be paved with a foundation to bear the gravity of the gantry crane, and the gantry crane can be guaranteed to move along the track. The existing gantry crane foundation is mostly constructed in a cast-in-place mode, namely, a coplanar concrete strip foundation is integrally cast, and although the material consumption of the traditional gantry crane foundation is large, the traditional gantry crane foundation is too long in structural length, easy to crack after being used for a long time, and short in service life.
Columnar reinforced concrete and profile steel mixed gantry crane comprises columnar reinforced concrete foundations which are arranged into two rows at intervals, wherein embedded steel plates are fixed on the top surfaces of the columnar reinforced concrete foundations, each row of columnar reinforced concrete foundations on each embedded steel plate are provided with a pair of rows of I-shaped steel to connect the columnar reinforced concrete foundations, and a track is fixed on the double-spliced I-shaped steel. Although a large amount of cost is saved in the structure, the gantry crane foundations are separated column structures, so that uneven stress is easy to occur on each column foundation, and even safety accidents can be caused. And the construction period of the foundation beam of the cast-in-place gantry crane is long, and heavy load can be applied after concrete is poured for 28 days. Sometimes, the construction period is delayed due to the limitation of the field collection place, the construction cannot be carried out in advance, the foundation can be used only once, and the dismantling cost is paid during dismantling.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an equipment is simple, and the preparation time limit for a project is short, gantry crane track foundation beam that can reuse.
The utility model adopts the following technical scheme:
the utility model provides a portal crane track foundation beam, includes the foundation beam body, and the foundation beam body is concrete structure, and the foundation beam includes a plurality of standard section roof beams, and standard section roof beam top is pre-buried has the backup pad, is provided with the track in the backup pad, and the last predetermined hole for hoist that has a perfect understanding of standard section roof beam has the fixed plate on one side facade of standard section roof beam.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a preparation and installation are simple relatively, not only reduce foundation beam concrete crack, and the transfer after also facilitating the use has shortened construction period with the transportation, has prolonged the life of portal crane track foundation beam.
Further, the utility model discloses a following preferred scheme:
the rail is connected with the embedded steel plate through a rail pressing device.
The bottom of backup pad is provided with embedded steel bar, and embedded steel bar's both ends are fixed with the vertical atress reinforcing bar of standard segmental beam.
And reserving a hoisting hole at each of two ends of the side vertical surface of the standard segmental beam, wherein the hoisting hole is transversely communicated along the standard segmental beam.
The center distance between the two hoisting holes is 2-3 m from the end of one end of the standard section beam where the hoisting holes are respectively located.
Two adjacent standard section beams are respectively welded with the fixing plates pre-embedded on the standard section beams at two sides of the adjacent standard section beams into a whole through the connecting plates.
Drawings
FIG. 1 is a schematic diagram of a standard segmental beam;
FIG. 2 is a top view of FIG. 1;
3 FIG. 3 3 3 is 3 a 3 view 3 A 3- 3 A 3 of 3 FIG. 3 2 3; 3
FIG. 4 is a view from the direction B of FIG. 2;
FIG. 5 is a schematic diagram of two sections of standard segmental beams after connection;
in the figure: a standard segmental beam 1; a side elevation 101; a support plate 2; a track 3; a rail pressing device 4; a fixed plate 5; hoisting holes 6; and a connecting plate 7.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
The utility model provides a portal crane track foundation beam, includes the foundation beam body, and the foundation beam body is the overall structure that is formed by the concatenation of a plurality of precast concrete structure's standard segmental beam 1.
Standard festival section roof beam 1 is square roof beam, and the pre-buried backup pad 2 that has in top of standard festival section roof beam 1, the equidistant welding of 2 long limit directions in backup pad has embedded bar in the bottom of backup pad 2, and embedded bar is at the bottom transverse arrangement of backup pad 2, and embedded bar's both ends stretch into respectively in the framework of steel reinforcement of standard festival section roof beam 1 and with framework of steel reinforcement's vertical atress reinforcing bar welding.
The upper surface of backup pad 2 is provided with a track 3 along backup pad 2 length direction, and equidistant rail pressing device 4 that is provided with on track 3 presses rail device 4, and rail pressing device 4 fixes 3 welded fastening of track in backup pad 2 upper surface.
The hoisting hole 6 is reserved at the position 2m away from the left end 2m and the position 2m away from the right end 2m of the standard segmental beam 1 respectively (the distance from the center of the hoisting hole 6 to the end of the standard segmental beam 1 is 2 m), the hoisting hole 6 is arranged on the side vertical surface 101 of the standard segmental beam 1, the hoisting hole 6 is transversely communicated in the standard segmental beam 1, one end of a steel wire rope penetrates through the front side vertical surface 101 of the standard segmental beam 1 to the rear side vertical surface 101, and the steel wire rope is hoisted by hoisting equipment.
The left end and the right end of a side vertical surface 101 of the standard segmental beam 1 are respectively provided with a fixing plate 5, the back of the fixing plate 5 is welded with embedded steel bars, and the two ends of the embedded steel bars respectively extend into a steel bar framework of the standard segmental beam 1 and are welded with longitudinal stress steel bars of the steel bar framework. Two adjacent sections of standard segmental beams 1 are fixed through a connecting plate 7, two ends of the connecting plate 7 are respectively welded with a fixing plate 5 pre-embedded at the end part of one end of the standard segmental beam 1, and the standard segmental beams 1 are connected into a whole through the connecting plate 7.
The utility model discloses when preparation processing and application, go on according to following step:
A. pouring a cushion layer: and (3) lofting the foundation beam of the gantry crane according to a drawing, excavating after measurement, excavating to the bottom elevation of the foundation mat, tamping by using a manual tamper, and finally pouring the mat part to form a strip foundation.
B. Binding steel bars: the method comprises the following steps of binding the steel reinforcement frameworks of the gantry crane track foundation beam on a strip foundation in a segmented manner, namely dividing the steel reinforcement frameworks of the gantry crane track foundation beam into a plurality of steel reinforcement frameworks of standard segmental beams 1 with equal length, and placing a partition plate between every two adjacent steel reinforcement frameworks, wherein the partition plate in the embodiment is a wood plate which isolates the two sections of the steel reinforcement frameworks; plastic pipes or iron sleeves are horizontally placed on the lower portions of the left end and the right end of each section of the steel reinforcement framework respectively according to the positions of the hoisting holes 6 to reserve the hoisting holes 6.
C. Pre-buried backup pad 2, fixed plate 5: the surfaces of the supporting plate 2 and the fixed plate 5 are coated with antirust paint, the top of the steel bar framework of each section of standard segmental beam 1 is respectively provided with the supporting plate 2, the lower surface of the supporting plate 2 is transversely welded with embedded steel bars, and two ends of the embedded steel bars respectively extend into the steel bar framework and are welded with longitudinal steel bars on the steel bar framework; the two ends of the side vertical face 101 of each section of the steel bar framework are respectively provided with a fixing plate 5 according to a drawing, the left side face of each fixing plate 5 is welded with an embedded steel bar, and the two ends of each embedded steel bar extend into the steel bar framework and are welded with the steel bars stressed longitudinally on the steel bar framework.
D. And (3) formwork support: and (3) coating a release agent on the surface of the template, which is in contact with the concrete, supporting the template around the steel reinforcement framework of the standard section beam 1, checking the height difference of the template through a level gauge after the template supporting is finished, enabling the heights of the templates to be consistent, and adjusting the template until the template is qualified when the height difference of the template is unqualified.
E. Pouring concrete; pouring is carried out on a steel reinforcement framework of the standard segmental beam 1, the surfaces of the supporting plate 2 and the fixing plate 5 are respectively cleaned before concrete is initially set, meanwhile, installation protection is carried out by using warning lines or red flags, and the concrete is maintained.
F. Removing the mold: and (3) removing the formwork after the concrete reaches the strength, performing secondary anti-corrosion work on the supporting plate 2 and the fixing plate 5 after the formwork is removed, and removing the plastic pipe or the iron sleeve used for reserving the hoisting hole 6 in the step two.
G. The steel wire ropes used for hoisting by the hoisting equipment respectively penetrate through hoisting holes 6 at two ends of a standard segmental beam 1, then the standard segmental beam 1 is hoisted to an installation site through the hoisting equipment to be laid, the end parts of all the standard segmental beams 1 are sequentially connected, two adjacent sections of the standard segmental beams 1 are welded into a whole with fixing plates 5 pre-embedded in side vertical surfaces 101 of the standard segmental beams 1 at two sides through connecting plates 7 until a gantry crane foundation beam is paved according to design requirements, the heights of all the spliced standard segmental beams 1 are ensured to be consistent, all supporting plates 2 are arranged on the same plane, then a rail 3 is arranged at the top of the gantry crane foundation beam, and then the gantry crane is arranged on the rail 3.
In this embodiment, the processing of the supporting plate 2 and the fixing plate 5 is completed in a processing plant according to a design drawing, and the supporting plate 2 is used. The surfaces of the fixed plates 5 are respectively leveled and straightened, and burrs are leveled by a portable grinder.
In the formwork supporting process, the formwork is tightly installed, the slurry leakage phenomenon cannot occur, and the surface of the concrete beam is ensured to be smooth and flat.
The formwork support must be firm and the formwork expansion phenomenon cannot occur, and the geometric dimension of the foundation beam needs to be ensured.
The utility model discloses in, in order to avoid the differential settlement between every festival standard festival section roof beam 1, pre-buried fixed plate 5 on the side facade 101 of every festival standard section roof beam 1's end position roof beam respectively, then the joint position between adjacent two sections standard section roof beams 1 is with connecting plate 7 to weld into a atress whole to fixed plate 5 of both sides, when concentrating the load and moving on track 3, concentrate the load and just can be equivalent into an equipartition load through the load that track 3 passed to ground, reduce the differential settlement because the atress position difference arouses.
The above is only the concrete embodiments of the present invention, but the protection of the present invention is not limited to this, and all the equivalent changes or replacements proposed to the technical features of the present technical solution, which can be considered by those skilled in the art, are included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a portal crane track foundation beam, includes the foundation beam body, and the foundation beam body is concrete structure, its characterized in that: the foundation beam comprises a plurality of standard section beams, a supporting plate is embedded in the top of each standard section beam, a track is arranged on each supporting plate, a through hoisting hole is reserved in each standard section beam, and a fixing plate is embedded in one side vertical surface of each standard section beam.
2. The gantry crane track foundation beam of claim 1, wherein: the rail is connected with the embedded steel plate through a rail pressing device.
3. The gantry crane track foundation beam of claim 1, wherein: the bottom of backup pad is provided with embedded steel bar, and embedded steel bar's both ends are fixed with the vertical atress reinforcing bar of standard segmental beam.
4. The gantry crane track foundation beam of claim 1, wherein: and reserving a hoisting hole at each of two ends of the side vertical surface of the standard segmental beam, wherein the hoisting hole is transversely communicated along the standard segmental beam.
5. The gantry crane track foundation beam of claim 4, wherein: the center distance between the two hoisting holes is 2-3 m from the end of one end of the standard section beam where the hoisting holes are respectively located.
6. The gantry crane track foundation beam of claim 1, wherein: two adjacent standard section beams are respectively welded with the fixing plates pre-embedded on the standard section beams at two sides of the adjacent standard section beams into a whole through the connecting plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021735570.2U CN212294735U (en) | 2020-08-19 | 2020-08-19 | Gantry crane track foundation beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021735570.2U CN212294735U (en) | 2020-08-19 | 2020-08-19 | Gantry crane track foundation beam |
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| CN212294735U true CN212294735U (en) | 2021-01-05 |
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| CN202021735570.2U Active CN212294735U (en) | 2020-08-19 | 2020-08-19 | Gantry crane track foundation beam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111851569A (en) * | 2020-08-19 | 2020-10-30 | 中国二十二冶集团有限公司 | Gantry crane track foundation beam and construction method thereof |
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2020
- 2020-08-19 CN CN202021735570.2U patent/CN212294735U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111851569A (en) * | 2020-08-19 | 2020-10-30 | 中国二十二冶集团有限公司 | Gantry crane track foundation beam and construction method thereof |
| CN111851569B (en) * | 2020-08-19 | 2024-05-14 | 中国二十二冶集团有限公司 | Gantry crane track foundation beam and construction method thereof |
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