CN212832436U - Gantry crane foundation with box girder replacing Bailey girder - Google Patents
Gantry crane foundation with box girder replacing Bailey girder Download PDFInfo
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- CN212832436U CN212832436U CN202120389057.0U CN202120389057U CN212832436U CN 212832436 U CN212832436 U CN 212832436U CN 202120389057 U CN202120389057 U CN 202120389057U CN 212832436 U CN212832436 U CN 212832436U
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Abstract
The utility model belongs to the technical field of the component or the device are hung to load, a portal crane basis with case roof beam replacement bailey roof beam is provided, the portal crane basis includes: the steel I-beams, the first connecting plate, the second connecting plate, the steel rails and the stand columns are welded by using the residual steel I-beams, steel plates and other old materials in a construction site to serve as a foundation rail of the gantry crane, so that the materials in the construction site can be fully utilized, the construction cost is reduced, the first connecting plate is arranged above two parallel steel I-beams for fixed connection, the second connecting plate is arranged below the two parallel steel I-beams for fixed connection, the stability of the foundation of the gantry crane can be improved, and a better supporting effect is guaranteed; lay the rail at the upper surface of first connecting plate, can carry out the installation of portal crane, portal crane carries out the displacement on the rail, and simple structure need not carry out pouring of too much concrete member, has saved the engineering time, avoids later stage demolish produced environment, noise pollution of blasting.
Description
Technical Field
The utility model belongs to the technical field of the component or the device are hung to the load, concretely relates to replace portal crane basis of bailey roof beam with the case roof beam.
Background
In the subway construction process, the construction of a gantry crane is needed, so that a starting frame, a reaction frame, a duct piece, muck and the like on a construction site are hoisted and transported, the construction is influenced by a site and a construction environment, shield construction and station auxiliary structure construction have cross operation, so that the construction of a gantry crane track beam cannot be carried out outside a station expansion end, some gantry crane foundations need to cross over the top of a wellhead of the subway station expansion end, the construction difficulty is increased, a shield section is started, and the gantry crane needs to be put into construction as soon as possible; the conventional gantry crane foundation is generally a Bailey beam, but the Bailey beam occupies a large space, has high building cost and long construction period, so that the key point for solving the problem is how to optimally design the track beam of the gantry crane foundation, and the safety and the high speed of the gantry crane can be ensured.
Therefore, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough among the above-mentioned prior art, provide a portal crane basis that the construction degree of difficulty is little, the cost is lower, the utility model discloses a replace portal crane basis of bailey roof beam with the case roof beam.
In order to achieve the above object, the present invention provides the following technical solutions:
a gantry crane foundation with a box girder instead of a Bailey girder, the gantry crane foundation comprising:
the two I-shaped steels which are arranged in parallel cross the expanded end well mouth of the subway station, wherein the upper flanges of the two I-shaped steels are correspondingly connected, and the lower flanges of the two I-shaped steels are correspondingly connected to form a whole;
the first connecting plate is arranged above the two I-beams, extends along the length direction of the gantry crane foundation and is used for connecting the upper flanges of the two I-beams and fixing the upper flanges of the two I-beams;
the second connecting plate is arranged below the two I-beams, extends along the length direction of the gantry crane foundation and is used for connecting the lower flanges of the two I-beams and fixing the lower flanges of the two I-beams;
the steel rail is laid on the upper surface of the first connecting plate along the length direction of the gantry crane foundation so that the gantry crane can move along the steel rail;
the plurality of upright columns are arranged in the enlarged end well opening of the subway station, and the upper ends of the plurality of upright columns are abutted against the second connecting plate so as to support the gantry crane foundation;
the upper end of the upright post is fixedly connected with a first base plate corresponding to the second connecting plate, and the first base plate is fixedly connected with the second connecting plate through a bolt;
the lower end of the stand column is fixedly connected with a second base plate corresponding to the bottom of the expanded end shaft of the subway station, the bottom of the expanded end shaft of the subway station is at least provided with a concrete foundation corresponding to the stand column, and the second base plate is fixedly connected to the concrete foundation through a bolt;
the upper surface of the first base plate is welded with limiting convex strips corresponding to two sides of the second connecting plate, and the limiting convex strips extend along the length direction of the portal crane foundation so as to limit the portal crane foundation.
In the gantry crane foundation using the box girder to replace the bailey girder, preferably, the outer side surfaces of the webs of the two i-shaped steels are both provided with the ribbed plates.
In the gantry crane foundation using the box girder instead of the beret girder, the rib plates preferably include a first rib plate and a second rib plate, and the first rib plate and the second rib plate are distributed in a staggered manner in the length direction of the gantry crane foundation;
the first rib plate is triangular and extends from the upper flange of the I-shaped steel to the middle of the web plate of the I-shaped steel;
the second rib plate is rectangular and extends from the upper flange of the I-shaped steel to the lower flange.
In the gantry crane foundation using the box girder instead of the beret girder, it is preferable that a plurality of the first ribs are provided between two adjacent second ribs.
In the gantry crane foundation using the box girder to replace the beret girder, the thickness of the first rib plate is preferably 20 mm;
the thickness of the second rib plate is 20 mm.
In the gantry crane foundation using the box girder instead of the beret girder, the thickness of the first connecting plate is preferably 10-20 mm.
In the gantry crane foundation using the box girder instead of the beret girder, the thickness of the second connecting plate is preferably 20-30 mm.
In the gantry crane foundation using the box girder instead of the beret girder, it is preferable that the plurality of columns are uniformly distributed in a longitudinal direction of the gantry crane foundation.
In the gantry crane foundation using the box girder instead of the beret girder, the steel rail is preferably 43kg/m in size, and the steel rail is welded to the upper surface of the first connection plate and corresponds to the center line of the gantry crane foundation.
Has the advantages that:
the residual I-steel, steel plates and other old materials on the subway construction site are fully utilized, the utilization rate of materials on the construction site is improved, the construction cost is reduced, the events of land acquisition removal, pipeline replacement and the like are reduced, and the space for stacking the materials on the construction site is increased. Meanwhile, the breaking amount of the concrete on site is reduced, the influence of noise generated by breaking on the life of nearby residents is reduced, the purpose of saving energy on the project construction site is achieved, the requirement of green construction specifications is met, the construction cost is reduced, and the purpose of improving economic benefits is achieved.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. Wherein:
fig. 1 is a schematic side view of a gantry crane foundation crossing an enlarged end wellhead of a subway station according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the connection between a gantry crane foundation and a column in the embodiment of the present invention;
fig. 3 is a schematic side view of a gantry crane foundation according to an embodiment of the present invention.
Illustration of the drawings: 1. a gantry crane foundation; 2. an expansion end of a subway station; 3. a column; 4. a steel rail; 1.1, I-steel; 1.2, a first connecting plate; 1.3 a second connecting plate; 1.4, a first rib plate; 1.5, a second rib plate; 3.1, a first base plate; 3.2 and a second backing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
In the description of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. The terms "connected" and "connected" used in the present invention should be understood in a broad sense, and may be, for example, either fixed or detachable; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
As shown in fig. 1 to 3, a gantry crane foundation using a box girder instead of a beret girder, the gantry crane foundation 1 includes:
the subway station expansion end comprises I-shaped steel 1.1, wherein the two I-shaped steel 1.1 which are arranged in parallel cross a subway station expansion end well mouth, the upper flanges of the two I-shaped steel 1.1 are correspondingly connected, and the lower flanges of the two I-shaped steel 1.1 are correspondingly connected, so that a whole is formed.
The first connecting plate 1.2 is arranged above the two I-beams 1.1 and extends along the length direction of the gantry crane foundation to connect the upper flanges of the two I-beams 1.1 and fix the upper flanges of the two I-beams 1.1.
And the second connecting plate 1.3 is arranged below the two I-beams 1.1, extends along the length direction of the gantry crane foundation and is used for connecting the lower flanges of the two I-beams 1.1 and fixing the lower flanges of the two I-beams 1.1.
And the steel rail 4 is laid on the upper surface of the first connecting plate 1.2 along the length direction of the portal crane foundation so that the portal crane can move along the steel rail 4.
The upper end of the upright post 3 is fixedly connected with a first base plate 3.1 corresponding to the second connecting plate 1.3, and the first base plate 3.1 is fixedly connected with the second connecting plate 1.3 through a bolt.
The lower extreme of stand 3 links firmly the second backing plate 3.2 that corresponds subway station expanded end shaft bottom, and subway station expanded end shaft bottom has the concrete foundation that corresponds stand 3 at least, and second backing plate 3.2 links firmly on the concrete foundation through the bolt.
The upper surface of the first base plate 3.1 is welded with limiting convex strips corresponding to two sides of the second connecting plate 1.3, and the limiting convex strips extend along the length direction of the portal crane foundation so as to limit the portal crane foundation.
The residual I-beams 1.1, steel plates and other old materials on a construction site are welded to be used as a foundation rail of the gantry crane, so that the materials on the construction site can be fully utilized, the construction cost is reduced, meanwhile, the first connecting plates 1.2 are arranged above the two parallel I-beams 1.1 for fixed connection, and the second connecting plates 1.3 are arranged below the two parallel I-beams 1.1 for fixed connection, so that the stability of the gantry crane foundation 1 can be improved, and a better supporting effect is ensured; lay rail 4 at the upper surface of first connecting plate 1.2, can carry out the installation of portal crane, the portal crane carries out the displacement on rail 4, simple structure need not carry out pouring of too much concrete member, has saved the engineering time, avoids later stage demolish produced environment, noise pollution of blasting. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In another embodiment of the present application, the outer side surfaces of the webs of the two i-beams 1.1 are provided with ribs. The rib plate is fixedly connected to the outer side face of the web plate of the I-steel 1.1 in a welding mode, and the web plate of the I-steel 1.1 can be reinforced so as to avoid deformation of the web plate of the I-steel 1.1 caused by the influence of the gravity of the gantry crane. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In the embodiment, the rib plates comprise a first rib plate 1.4 and a second rib plate 1.5, and the first rib plate 1.4 and the second rib plate 1.5 are distributed in a staggered mode in the length direction of the gantry crane foundation.
The first rib plate 1.4 is triangular and extends from the upper flange of the I-steel 1.1 to the middle of the web plate.
The second rib plate 1.5 is rectangular and extends from the upper flange of the I-steel 1.1 to the lower flange.
Through the staggered distribution of the first rib plates 1.4 and the second rib plates 1.5, on the premise of ensuring the strength of the web plate of the I-shaped steel 1.1, the using amount of steel is reduced as much as possible, and the construction cost is reduced.
In the present embodiment, a plurality of first ribs 1.4 are provided between two adjacent second ribs 1.5, and specifically, two first ribs 1.4 are provided between two adjacent second ribs 1.5.
In the present embodiment, the first ribs 1.4 have a thickness of 20 mm; the second rib 1.5 has a thickness of 20 mm. The I-steel 1.1 web plate is reinforced through the rib plate, and the running stability and the load capacity of the gantry crane are improved.
In another embodiment of the present application, the first connecting plate 1.2 has a thickness of 10-20mm, specifically, the first connecting plate 1.2 has a thickness of 10mm, 15mm, 20mm, and in the present application, a steel plate of 10mm is selected as the first connecting plate 1.2 in consideration of construction cost and gantry crane load. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In this embodiment, the width of the first connecting plate 1.2 is matched with the sum of the widths of the upper flanges of the two i-beams 1.1, and the outer edge of the first connecting plate 1.2 is welded with the upper flanges of the two i-beams 1.1 to ensure the connecting strength.
In another embodiment of the application, the second connection plate 1.3 has a thickness of 20-30 mm. Specifically, the thickness of the second connecting plate 1.3 is 20mm, 25mm, 30mm, and in the present application, a steel plate of 20mm is selected as the second connecting plate 1.3 in consideration of construction cost and gantry crane load. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In this embodiment, the width of the second connecting plate 1.3 is matched with the sum of the widths of the lower flanges of the two i-beams 1.1, and the outer edge of the second connecting plate 1.3 is welded to the lower flanges of the two i-beams 1.1, so as to ensure the connection strength.
In another embodiment of the application, a plurality of columns 3 are uniformly distributed in the length direction of the gantry crane foundation 1; the two ends of a gantry crane foundation formed by two I-beams 1.1 are correspondingly and fixedly arranged on a crown beam of a wellhead of a subway station expansion end 2, three upright columns 3 for supporting the gantry crane foundation 1 are arranged in the subway station expansion end 2, and the three upright columns 3 are uniformly arranged to support and fix the gantry crane foundation 1. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In the embodiment, the length of the gantry crane foundation 1 is 16.4m, the columns 3 are seamless steel pipes, the outer diameter of each column is 609mm, the wall thickness of each column is 16mm, and the distance between every two adjacent columns 3 is 3.15 m.
In this embodiment, the upper end of the column 3 is fixedly connected with a first pad 3.1 corresponding to the second connecting plate 1.3, and the first pad 3.1 is fixedly connected with the second connecting plate 1.3 through a bolt.
The first backing plate 3.1 is a square steel plate with the side length of 800mm multiplied by 800mm, the thickness of the first backing plate is 10mm, and the height of the upright post 3 is determined according to the depth of the subway station expansion end 2.
The lower extreme of stand 3 links firmly the second backing plate 3.2 that corresponds subway station expanded end shaft bottom, and subway station expanded end shaft bottom has the concrete foundation that corresponds stand 3 at least, and second backing plate 3.2 links firmly on the concrete foundation through the bolt.
The second backing plate 3.2 is a square steel plate with the side length of 800mm multiplied by 800mm, the thickness of the second backing plate is 10mm, and the height of the upright post 3 is determined according to the depth of the expansion end 2 of the subway station. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some embodiments, the upper surface of the first backing plate 3.1 is welded with limit protruding strips corresponding to two sides of the second connecting plate 1.3, and the limit protruding strips extend along the length direction of the gantry crane foundation 1 so as to limit the gantry crane foundation 1 and ensure the connection stability. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some embodiments, the steel rail 4 is 43kg/m in size, and the steel rail 4 is welded on the upper surface of the first connecting plate 1.2 and corresponds to the center line of the gantry crane foundation 1.
In some embodiments, the outer wall of the upright column 3 is provided with first reinforcing ribs corresponding to the first backing plate 3.1, and the first reinforcing ribs are uniformly distributed in the circumferential direction of the upright column 3; the outer wall of the upright post 3 is provided with a second reinforcing rib corresponding to the second base plate 3.2, and the second reinforcing ribs are uniformly distributed in the circumferential direction of the upright post 3.
To sum up, the utility model provides a new gantry crane foundation 1 track beam form suitable for subway station expanded end 2 job site, utilize old materials such as surplus I-steel 1.1 of job site and steel sheet to weld as the basis track of gantry crane, can simplify the structure of gantry crane foundation 1, shorten the construction cycle by a wide margin, avoid the required on-the-spot concrete placement volume of traditional bailey beam construction, reduce the environment and noise pollution that the later stage dismantlement concretes and produce; the two I-beams 1.1 are arranged in parallel to form the gantry crane foundation 1, and the second connecting plate 1.3 is arranged below the two parallel I-beams 1.1 for fixed connection, so that the stability of the gantry crane foundation 1 can be improved, and a better supporting effect is ensured; lay rail 4 at the upper surface of first connecting plate 1.2, can carry out the installation of portal crane, simple structure, greatly reduced the installation degree of difficulty of portal crane.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, but rather as the following claims are intended to cover all modifications, equivalents, and improvements falling within the spirit and principles of the present invention.
Claims (9)
1. A portal crane foundation using a box girder to replace a Bailey girder is characterized by comprising:
the two I-shaped steels which are arranged in parallel cross the expanded end well mouth of the subway station, wherein the upper flanges of the two I-shaped steels are correspondingly connected, and the lower flanges of the two I-shaped steels are correspondingly connected to form a whole;
the first connecting plate is arranged above the two I-beams, extends along the length direction of the gantry crane foundation and is used for connecting the upper flanges of the two I-beams and fixing the upper flanges of the two I-beams;
the second connecting plate is arranged below the two I-beams, extends along the length direction of the gantry crane foundation and is used for connecting the lower flanges of the two I-beams and fixing the lower flanges of the two I-beams;
the steel rail is laid on the upper surface of the first connecting plate along the length direction of the gantry crane foundation so that the gantry crane can move along the steel rail;
the plurality of upright columns are arranged in the enlarged end well opening of the subway station, and the upper ends of the plurality of upright columns are abutted against the second connecting plate so as to support the gantry crane foundation;
the upper end of the upright post is fixedly connected with a first base plate corresponding to the second connecting plate, and the first base plate is fixedly connected with the second connecting plate through a bolt;
the lower end of the stand column is fixedly connected with a second base plate corresponding to the bottom of the expanded end shaft of the subway station, the bottom of the expanded end shaft of the subway station is at least provided with a concrete foundation corresponding to the stand column, and the second base plate is fixedly connected to the concrete foundation through a bolt;
the upper surface of the first base plate is welded with limiting convex strips corresponding to two sides of the second connecting plate, and the limiting convex strips extend along the length direction of the portal crane foundation so as to limit the portal crane foundation.
2. The gantry crane foundation adopting the box girder to replace the Bailey girder as claimed in claim 1, wherein rib plates are arranged on the outer side surfaces of the webs of the two I-shaped steels.
3. The gantry crane foundation of claim 2, wherein the rib plates comprise a first rib plate and a second rib plate, and the first rib plate and the second rib plate are distributed in a staggered manner in the length direction of the gantry crane foundation;
the first rib plate is triangular and extends from the upper flange of the I-shaped steel to the middle of the web plate of the I-shaped steel;
the second rib plate is rectangular and extends from the upper flange of the I-shaped steel to the lower flange.
4. A gantry crane foundation using box girders instead of beret girders as claimed in claim 3, wherein a plurality of first ribs are provided between two adjacent second ribs.
5. The gantry crane foundation using box girders instead of beret girders as claimed in claim 4, wherein the thickness of the first rib plates is 20 mm;
the thickness of the second rib plate is 20 mm.
6. The gantry crane foundation of claim 1, wherein the first connecting plate has a thickness of 10-20 mm.
7. The gantry crane foundation of claim 1, wherein the second connecting plate has a thickness of 20-30 mm.
8. The gantry crane foundation of claim 1, wherein the columns are evenly distributed along the length direction of the gantry crane foundation.
9. The gantry crane foundation of any one of claims 1-8, wherein said rail gauge is 43kg/m, said rail is welded on the upper surface of said first connecting plate and corresponds to the center line of said gantry crane foundation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120389057.0U CN212832436U (en) | 2021-02-22 | 2021-02-22 | Gantry crane foundation with box girder replacing Bailey girder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120389057.0U CN212832436U (en) | 2021-02-22 | 2021-02-22 | Gantry crane foundation with box girder replacing Bailey girder |
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| CN212832436U true CN212832436U (en) | 2021-03-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114395945A (en) * | 2021-12-10 | 2022-04-26 | 中铁广州工程局集团有限公司 | Gantry crane track foundation |
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2021
- 2021-02-22 CN CN202120389057.0U patent/CN212832436U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114395945A (en) * | 2021-12-10 | 2022-04-26 | 中铁广州工程局集团有限公司 | Gantry crane track foundation |
| CN114395945B (en) * | 2021-12-10 | 2024-01-02 | 中铁广州工程局集团有限公司 | Gantry crane track foundation |
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