CN211141349U - Track panel well gantry crane foundation fixing structure - Google Patents
Track panel well gantry crane foundation fixing structure Download PDFInfo
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- CN211141349U CN211141349U CN201920959316.1U CN201920959316U CN211141349U CN 211141349 U CN211141349 U CN 211141349U CN 201920959316 U CN201920959316 U CN 201920959316U CN 211141349 U CN211141349 U CN 211141349U
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Abstract
The utility model discloses a track panel well gantry crane foundation fixing structure, which comprises a continuous wall, a crown beam, an H-shaped steel cantilever beam, double-spliced H-shaped steel, a twisted steel, a pre-embedded steel plate, double-spliced channel steel and a connecting steel plate; the continuous wall is a retaining wall structure of a subway station main body, and the crown beam is arranged at the top of the continuous wall; the H-shaped steel cantilever steel beam is a supporting structure of a track beam of the gantry crane of the track panel well; the double-spliced H-shaped steel is a steel temporary bridge structure of a track beam of the track frame well gantry crane; the triangular steel corbel support structure is formed by welding and connecting the crown beam, the H-shaped steel cantilever beam and the double-spliced channel steel; and a connecting steel plate is embedded in the top of the crown beam and is welded and connected with the bottom of the H-shaped steel cantilever beam. The utility model discloses technically the bearing capacity satisfies portal crane operation load requirement, has practiced thrift the personnel and materials machine cost in the economy, and on the safety, overall stability is good, has avoidd and has executed alone and do risk factors such as longmen basis foundation settlement, and the safety guarantee nature improves, has practiced thrift the pavement space.
Description
Technical Field
The utility model relates to a track panel well portal crane basis fixed knot constructs belongs to urban rail transit construction technical field.
Background
With the development of social economy, the existing urban traffic is more crowded, the traditional ground traffic cannot meet the traveling mode of modern people, the urban rail traffic can be carried out as soon as possible, and the construction of the rail traffic generally comprises the following steps: the method is mainly used in city centers, and has the characteristics of complex surrounding environment, narrow site and the like, thereby bringing great disadvantages to construction.
For convenient subway construction, adopt subway station foundation ditch top to arrange the portal crane mode, both practiced thrift the place, convenient construction again, the utility model discloses arrange the portal crane basis to subway station foundation ditch top and carried out the reinforcement design, the overall installation structure reliability is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to design a track panel well gantry crane foundation fixing structure, the utility model designs a fixed mounting structure which is beneficial to field planning, reduces the net span of the gantry crane, and has higher safety factor of the gantry crane with the same model; the utility model discloses a place high-usage is favorable to the construction organization, provides the powerful guarantee for the hoist and mount transportation when subway station major structure is under construction.
In order to achieve the purpose, the technical scheme adopted by the utility model is a track panel well gantry crane foundation fixing structure, and the system comprises a continuous wall 1, a crown beam 2, an H-shaped steel cantilever beam 3, double-spliced H-shaped steel 4, a twisted steel bar 5, a pre-embedded steel plate 6, double-spliced channel steel 7 and a connecting steel plate 8; the continuous wall 1 is a retaining wall structure of a subway station main body, and the crown beam 2 is arranged at the top of the continuous wall 1;
the H-shaped steel cantilever steel beams 3 are supporting structures of the track beam of the track panel well gantry crane, and the H-shaped steel cantilever steel beams 3 are connected through bolts to form a supporting main body structure of the track beam of the track panel well gantry crane;
the double-spliced H-shaped steel 4 is of a steel temporary bridge structure of a track beam of a gantry crane of the track panel well, the double-spliced H-shaped steel 4 is welded on an H-shaped steel cantilever beam 3, and one end of the H-shaped steel cantilever beam 3 is deep into the continuous wall 1; the other end of the H-shaped steel cantilever beam 3 is an overhanging part, double-spliced channel steel 7 is welded at the bottom of the overhanging part, the bottom of the double-spliced channel steel 7 is inserted into the crown beam 2, and the crown beam 2, the H-shaped steel cantilever beam 3 and the double-spliced channel steel 7 are welded and connected to form a triangular steel corbel support structure;
the threaded steel bars 5 and the embedded steel plates 6 are preset in the crown beam 2, and the embedded steel plates 6 are arranged in parallel along the length direction of the crown beam 2.
The top of the crown beam 2 is embedded with a connecting steel plate 8, and the connecting steel plate 8 is welded with the bottom of the H-shaped steel cantilever beam 3.
Compared with the prior art, the utility model discloses technically the bearing capacity satisfies portal crane operation load requirement, has practiced thrift the personnel and has expected the cost in the economy, and on safety, overall stability is good, has avoidd and has executed alone and do risk factors such as longmen basis foundation settlement, and the safety guarantee nature has improved, and on the construction operation, the time limit for a project obtains the guarantee, has practiced thrift the pavement space, provides the convenience of follow-up construction.
Drawings
FIG. 1 is a schematic view of a track panel well gantry crane foundation fixing structure;
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
As shown in fig. 1, the system comprises a continuous wall 1, a crown beam 2, an H-shaped steel cantilever beam 3, double-spliced H-shaped steel 4, a twisted steel 5, a pre-embedded steel plate 6, double-spliced channel steel 7 and a connecting steel plate 8; the continuous wall 1 is a retaining wall structure of a subway station main body, and the crown beam 2 is arranged at the top of the continuous wall 1;
the H-shaped steel cantilever steel beams 3 are supporting structures of the track beam of the track panel well gantry crane, and the H-shaped steel cantilever steel beams 3 are connected through bolts to form a supporting main body structure of the track beam of the track panel well gantry crane;
the double-spliced H-shaped steel 4 is of a steel temporary bridge structure of a track beam of a gantry crane of the track panel well, the double-spliced H-shaped steel 4 is welded on an H-shaped steel cantilever beam 3, and one end of the H-shaped steel cantilever beam 3 is deep into the continuous wall 1; the other end of the H-shaped steel cantilever beam 3 is an overhanging part, double-spliced channel steel 7 is welded at the bottom of the overhanging part, the bottom of the double-spliced channel steel 7 is inserted into the crown beam 2, and the crown beam 2, the H-shaped steel cantilever beam 3 and the double-spliced channel steel 7 are welded and connected to form a triangular steel corbel support structure;
the threaded steel bars 5 and the embedded steel plates 6 are preset in the crown beam 2, and the embedded steel plates 6 are arranged in parallel along the length direction of the crown beam 2.
The top of the crown beam 2 is embedded with a connecting steel plate 8, and the connecting steel plate 8 is welded with the bottom of the H-shaped steel cantilever beam 3.
Examples
The steel temporary bridge adopts double-spliced H-shaped steel 4, the size of the double-spliced H-shaped steel 4 is 700 × 300H-shaped steel, steel plates with the thickness of 10mm are arranged between wing plates on two sides of the double-spliced H-shaped steel 4 for welding and reinforcement, the steel plates are arranged at the interval of 1000mm and are arranged in a staggered mode, 5H-shaped steel cantilever steel beams 3 are arranged below a track beam, the size of the H-shaped steel cantilever steel beam 3 is 600 × 300, a double-spliced channel steel 7 is installed on the lower portion of the cantilever and welded to form a triangular steel corbel support, embedded steel plates 6 with the length of 0.6 × 0.15 × 0.01.01 m are arranged in a crown beam 2 every 0.5m, reinforced concrete piers with the length of 120 × 90 × 60cm are arranged on two sides, a connecting steel plate 8 with the length of 90 × 80 × 1cm is embedded in the top during construction of the crown beam, and the connecting steel plates 8 are.
By adopting the construction method of arranging the gantry crane foundation above the subway station foundation pit, the use of concrete is saved to a great extent, the existing retaining wall is fully utilized, the later-stage steel beam foundation can be recycled and reused after maintenance and correction, and the construction method has the advantages of energy conservation, emission reduction and resource saving.
A construction method for arranging a gantry crane foundation above a foundation pit is adopted, and compared with construction methods for specially constructing gantry crane track foundations on two sides of the foundation pit, the economic comparison analysis is as follows:
from the comparative analysis mark, the material cost (concrete and steel bar) is saved by about 390581 yuan, and the labor cost is saved by about 60000 yuan.
The retaining wall is also used as a gantry track and directly borne on the crown beam, and indirectly acts on the enclosure structure, so that the integrity is better, risk factors such as settlement of a foundation of a gantry foundation independently constructed and the like are avoided, the span of the gantry crane is reduced by about 1m, and the safety guarantee is improved. The retaining wall and the gantry track foundation are constructed at one time, the construction period is guaranteed, the sidewalk space on two sides of the foundation pit is saved, and great convenience is provided for subsequent construction.
The above detailed description of the embodiments of the present invention is not intended to limit the present invention to the details of the embodiments, but the above examples are only provided to help understand the method and idea of the present invention. The utility model discloses an in the technical conception scope, can be right the technical scheme of the utility model carry out multiple simple deformation, these simple deformations all belong to the utility model discloses a protection scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (1)
1. The utility model provides a track panel well portal crane basis fixed knot constructs which characterized in that: the system comprises a continuous wall (1), a crown beam (2), an H-shaped steel cantilever beam (3), double-spliced H-shaped steel (4), a twisted steel (5), a pre-embedded steel plate (6), double-spliced channel steel (7) and a connecting steel plate (8); the continuous wall (1) is a retaining wall structure of a subway station main body, and the crown beam (2) is arranged at the top of the continuous wall (1);
the H-shaped steel cantilever steel beams (3) are supporting structures of the track beam of the track panel well gantry crane, and the H-shaped steel cantilever steel beams (3) are connected through bolts to form a supporting main body structure of the track beam of the track panel well gantry crane;
the double-spliced H-shaped steel (4) is of a steel temporary bridge structure of a track beam of a track panel well gantry crane, the double-spliced H-shaped steel (4) is welded on an H-shaped steel cantilever beam (3), and one end of the H-shaped steel cantilever beam (3) extends into the continuous wall (1); the other end of the H-shaped steel cantilever steel beam (3) is an overhanging part, double-spliced channel steel (7) is welded at the bottom of the overhanging part, the bottom of the double-spliced channel steel (7) is inserted into the crown beam (2), and the crown beam (2), the H-shaped steel cantilever steel beam (3) and the double-spliced channel steel (7) are connected in a welding manner to form a triangular steel corbel supporting structure;
the threaded steel bars (5) and the embedded steel plates (6) are preset in the crown beam (2), and the embedded steel plates (6) are arranged in parallel along the length direction of the crown beam (2);
the top of the crown beam (2) is embedded with a connecting steel plate (8), and the connecting steel plate (8) is welded with the bottom of the H-shaped steel cantilever beam (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920959316.1U CN211141349U (en) | 2019-06-25 | 2019-06-25 | Track panel well gantry crane foundation fixing structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920959316.1U CN211141349U (en) | 2019-06-25 | 2019-06-25 | Track panel well gantry crane foundation fixing structure |
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| CN211141349U true CN211141349U (en) | 2020-07-31 |
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| CN201920959316.1U Active CN211141349U (en) | 2019-06-25 | 2019-06-25 | Track panel well gantry crane foundation fixing structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112095377A (en) * | 2020-08-28 | 2020-12-18 | 中国建筑第八工程局有限公司 | Off-pit construction road structure next to subway deep foundation pit and construction method thereof |
| CN112499467A (en) * | 2020-11-24 | 2021-03-16 | 中建八局轨道交通建设有限公司 | Subway station expanded end assembled gantry crane track foundation and construction method thereof |
-
2019
- 2019-06-25 CN CN201920959316.1U patent/CN211141349U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112095377A (en) * | 2020-08-28 | 2020-12-18 | 中国建筑第八工程局有限公司 | Off-pit construction road structure next to subway deep foundation pit and construction method thereof |
| CN112499467A (en) * | 2020-11-24 | 2021-03-16 | 中建八局轨道交通建设有限公司 | Subway station expanded end assembled gantry crane track foundation and construction method thereof |
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