CN219031130U - Unloading platform of concrete column top double-support cantilever truss - Google Patents

Abstract

The utility model proposes an unloading platform for cantilever trusses with double supports at the top of concrete columns, which relates to the technical field of storage. The upper chord and the lower chord; the platform slab is flatly laid on two cantilever trusses and fixedly connected with the upper chord; at least two concrete support columns are respectively supported under the cantilever trusses, and the top of each concrete support column is fixed with two supports. Two supports are arranged at intervals along the length direction of the cantilever truss, the upper chord is fixedly connected to the top of the support, and the lower chord is fixedly connected to the side wall of the support. The unloading platform of the double-support cantilever truss on the top of the concrete column proposed by the utility model can reduce the construction cost and shorten the construction period.

Description

Unloading platform for cantilever truss with double supports on concrete column top

technical field

The utility model relates to the technical field of storage, in particular to a discharge platform of a double-support cantilever truss at the top of a concrete column.

Background technique

In a large warehouse, it is necessary to set up an elevated unloading platform for the transportation and loading and unloading of materials. The height of the elevated unloading platform is relatively high, usually above 20m. At present, the elevated unloading platform mainly adopts two structures, one is a full concrete structure, the other is a cantilevered main beam with a concrete structure, the secondary beam is a steel structure beam, and the floor is a steel platform slab or a combination of steel floor deck and concrete. Composite floors.

However, both of the above two structures have defects. Specifically, if an all-concrete structure is used, it is necessary to set up a full house scaffolding or elevated support to support the formwork, pour the concrete on site, and remove the formwork and scaffolding after the maintenance is completed. The construction is cumbersome and the construction measures are expensive. , long construction period; if the method of "cantilevered concrete main beam + steel structure secondary beam + steel platform slab (composite floor)" is adopted, it is still unavoidable to set scaffolding on the cantilevered main beam.

In view of this, based on years of experience in production and design in this field and related fields, the inventor has designed a kind of unloading platform for cantilever trusses with double supports on top of concrete columns through trial and error, in order to solve the problems existing in the prior art.

Utility model content

The purpose of the utility model is to provide a concrete column top double-support cantilever truss unloading platform, which reduces construction costs and shortens the construction period.

In order to achieve the above purpose, the utility model proposes a discharge platform of a double-support cantilever truss at the top of a concrete column, wherein the discharge platform includes:

Two cantilever trusses are arranged in parallel and have a horizontal interval, and each of the cantilever trusses has an upper chord and a lower chord arranged at intervals up and down;

The platform plate is flatly laid on two cantilever trusses and fixedly connected with the upper chord;

At least two concrete support columns are respectively supported under the cantilever truss, and two supports are fixed at the top of each concrete support column, and the two support are arranged at intervals along the length direction of the cantilever truss. The upper chord is fixedly connected to the top end of the support, and the lower chord is fixedly connected to the side wall of the support.

Compared with the prior art, the utility model has the following characteristics and advantages:

The utility model proposes the unloading platform of the double-support cantilever truss on the top of the concrete column. The cantilever truss is directly placed on the top of the concrete column as the cantilever beam. The cantilever truss is prefabricated in the factory and assembled on site, which reduces the construction cost and shortens the construction period. .

The unloading platform of the double-support cantilever truss on the top of the concrete column proposed by the utility model is provided with two supports on the top of the concrete support column. The two supports have a certain distance, and the anti-overturning ability is stronger, which is very suitable for the elevated process platform. .

Description of drawings

The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes and proportional dimensions of the components in the drawings are only schematic and are used to help the understanding of the present utility model, and do not specifically limit the shapes and proportional dimensions of the various components of the present utility model. Under the teaching of the utility model, those skilled in the art can choose various possible shapes and proportional dimensions according to specific conditions to implement the utility model.

Fig. 1 is the structural representation of the unloading platform of the double-support cantilever truss of the concrete column top that the utility model proposes;

Fig. 2 is the structural representation of bearing in the utility model;

Fig. 3 is the plan view of single cantilever truss in the utility model;

Fig. 4 is the top view of the double cantilever truss in the utility model;

Fig. 5 is the bottom view of single cantilever truss in the utility model;

Fig. 6 is the bottom view of the double cantilever truss in the utility model.

Explanation of reference signs:

100. Unloading platform; 10. Cantilever truss;

11. Upper chord; 12. Lower chord;

13. Web bar; 20. Platform plate;

21. Platform plate body; 22. Support beam;

23. Secondary beam; 30. Concrete support column;

31. The first shear pit;

70. Support; 71. The first shear key;

72, anchor bolt; 73, the first connecting nut;

74. The second shear key.

Detailed ways

The details of the utility model can be understood more clearly in combination with the accompanying drawings and the description of the specific implementation of the utility model. However, the specific implementation manners of the utility model described here are only for the purpose of explaining the utility model, and cannot be construed as limiting the utility model in any way. Under the teaching of the present utility model, any possible deformation based on the present utility model can be conceived by a skilled person, and these should be regarded as belonging to the scope of the present utility model.

As shown in Figures 1 to 6, the utility model proposes an unloading platform 100 of a double-support cantilever truss at the top of a concrete column. Concrete support columns 30, wherein two cantilever trusses 10 are arranged in parallel and have intervals in the horizontal direction, and each cantilever truss 10 has an upper chord 11 and a lower chord 12 arranged at intervals up and down; the platform board 20 is tiled on the two cantilever trusses 10 and fixedly connected with the upper chord 11; two concrete support columns 30 are respectively supported under the cantilever truss 10, and the top of each concrete support column 30 is fixed with two supports 70, and the two supports 70 are along the length of the cantilever truss 10 The directions are arranged at intervals, the upper chord 11 is fixedly connected with the top end of the support 70 , and the lower chord 12 is fixedly connected with the side wall of the support 70 .

The unloading platform 100 of the double-support cantilever truss on the top of the concrete column proposed by the utility model uses the cantilever truss 10 to replace the concrete girder. Since the cantilever truss 10 can be prefabricated in the factory and then transported to the site for assembly and construction, there is no need to erect scaffolding, greatly The construction cost is reduced and the construction period is shortened.

The utility model proposes the unloading platform 100 of the cantilever truss with double supports on the top of the concrete column. The upper chord 11 of the cantilever truss 10 is fixedly connected to the top of the support 70, and the lower chord 12 is fixedly connected to the side wall of the support 70. In the above structure, the cantilever truss 10 and the support 70 have two rigid connection positions, which enhances the connection strength between the cantilever truss 10 and the support and ensures the fastness of the entire unloading platform 100 .

The unloading platform 100 of the double-support cantilever truss on the top of the concrete column proposed by the utility model has a high bearing capacity and a small space occupied by the structure. cost.

The utility model proposes the unloading platform 100 of the double-support cantilever truss on the top of the concrete column. The cantilever truss 10 is prefabricated in the factory. 12 is fixedly connected with the side wall of the support 70.

In an optional embodiment of the present invention, the cantilever truss 10 is a steel cantilever truss, and the cantilever truss 10 is prefabricated in a factory.

In an optional embodiment of the present invention, a plurality of webs 13 are connected between the upper chord 11 and the lower chord 12 to form a composite truss structure with higher load-bearing capacity.

In an optional example, the upper chord 11 , the lower chord 12 and the web 13 are all steel rods.

Further, the cross section of the upper chord 11 and the lower chord 12 may be I-shaped, rectangular or circular.

In an optional embodiment of the present utility model, the platform slab 20 includes a platform slab body 21 and a plurality of support beams 22, and the plurality of support beams 22 are arranged at intervals along the length direction of the upper chord 11 to support the unloading vehicle and its The weight of the track, the two ends of each supporting beam 22 are respectively fixedly connected with two upper chords 11 , and the platform slab body 21 is flatly laid on a plurality of supporting beams 22 . A plurality of supporting beams 22 are used to support the weight of the unloading vehicle track and the platform plate body 21 .

In an optional example of this embodiment, a secondary beam 23 is provided at a position matched with the support 70 , and the two ends of the secondary beam 23 are respectively connected to the two upper chords 11 .

In an optional example of this embodiment, the support beam 22 and the secondary beam 23 are respectively steel beams, and the support beam 22 and the secondary beam 23 are respectively welded to the upper chord 11 .

In an optional example of this embodiment, the platform slab body 21 is a steel plate or a steel-concrete composite floor.

In an optional embodiment of the present invention, the corbels are extended on the left and right sides of the top of the concrete supporting column 30 to form a T-shaped concrete column top, so as to ensure that there is a sufficient distance between the two supports 70, further Improve the anti-overturning capability of the unloading platform 100.

In an optional embodiment of the present utility model, the bottom of the support 70 has a base for connection, the base is provided with a first shear key 71, and the top of the concrete support column 30 is provided with a pair of the first shear key 71. The first anti-shear pit 31 is matched with each other, and the first anti-shear pit 31 is filled with concrete for secondary grouting. The pouring of the concrete for the secondary grouting is performed after the cantilever truss 10 is installed in place.

In an optional example of this embodiment, an anchor bolt 72 and a first connecting nut 73 are provided at the bottom of the support 70, one end of the anchor bolt 72 is pre-embedded in the concrete support column 30, and the other end of the anchor bolt 72 penetrates upward. The base, the lower chord 12 and the first connecting nut 73 , the anchor bolt 72 is connected with the first connecting nut 73 and connects the support 70 and the lower chord 12 together.

In an optional example, the bottom of the anchor bolt 72 is provided with a second anti-shear key 74 .

In an optional example, the support 70, the anchor bolt 72 and the first connecting nut 73 are all made of steel.

In an optional example, the upper chord 11 is welded to the top of the support 70 .

In an optional embodiment of the present invention, the cantilever truss 10 is a single truss or a double truss. When the cantilever truss 10 is longer and the load of the unloading equipment is larger, a double truss is used, otherwise a single truss is used.

In an optional example, the cantilever truss 10 is a single truss, that is, the cantilever truss 10 has an upper chord 11 and a lower chord 12 .

In another optional example, the cantilever truss 10 is a double truss, that is, the cantilever truss 10 has two upper chords 11 arranged in parallel and two lower chords 12 arranged in parallel.

Furthermore, a plurality of support rods are arranged between the two upper chords 11, forming a combined truss structure of the cantilever truss 10, improving the integrity and bearing capacity of the cantilever truss 10, and further ensuring the stability of the cantilever truss.

The unloading platform 100 of the double-supported cantilever truss on the top of the concrete column proposed by the utility model, compared with the previous method of all-concrete structure or "cantilevered concrete main beam + steel structure platform secondary beam", does not need to set up full scaffolding or elevated Formwork support, the main structure avoids the cumbersome process of on-site concrete pouring construction.

The utility model proposes the unloading platform 100 of the cantilever truss with double supports on the top of the concrete column. The cantilever truss 10 can be prefabricated in the factory, industrially assembled on site, and the construction is environmentally friendly. There is no temporary measure cost, which greatly reduces the construction cost and greatly shortens the construction time. construction period. According to calculations, compared with the all-concrete structure, the cost of the unloading platform 100 of the double-support cantilever truss on the concrete column top proposed by the utility model can be reduced by 40%, and the construction period can be shortened by 40%.

For the detailed explanations of the above-mentioned embodiments, the purpose is only to explain the utility model so as to better understand the utility model, but these descriptions cannot be interpreted as a limitation to the utility model for any reason, especially, The various features described in different implementations can also be combined arbitrarily with each other to form other implementations. Unless there is an explicit description to the contrary, these features should be understood as being applicable to any implementation, and are not limited to all of them. described implementation.

Claims (10)

1. a kind of unloading platform of the double support cantilever truss of concrete column top, it is characterized in that, described unloading platform comprises: Two cantilever trusses are arranged in parallel and have a horizontal interval, and each of the cantilever trusses has an upper chord and a lower chord arranged at intervals up and down; The platform plate is flatly laid on two cantilever trusses and fixedly connected with the upper chord; At least two concrete support columns are respectively supported under the cantilever truss, and two supports are fixed on the top of each concrete support column, and the two support are arranged at intervals along the length direction of the cantilever truss. The upper chord is fixedly connected to the top end of the support, and the lower chord is fixedly connected to the side wall of the support. 2. The unloading platform of the cantilever truss with double supports on the concrete column top as claimed in claim 1, wherein the cantilever truss is a steel cantilever truss, and the support is a steel support. 3. The unloading platform of the double-support cantilever truss on the top of a concrete column as claimed in claim 1, wherein the bottom of the support has a base for connection, and the base is provided with a first shear key, The top of the concrete support column is provided with a first anti-shear pit matched with the first anti-shear key, and the first anti-shear pit is filled with concrete for secondary grouting. 4. The unloading platform of the double-support cantilever truss at the top of a concrete column as claimed in claim 3, wherein the bottom of the support is also provided with an anchor bolt and a first connecting nut, and one end of the anchor bolt is pre-embedded In the concrete support column, the other end of the anchor bolt penetrates upward through the base, the lower chord and the first connecting nut, and the anchor bolt is connected with the first connecting nut and connects the support The seat and the bottom chord are connected together. 5. The unloading platform of the cantilever truss with double supports on the top of the concrete column according to claim 4, characterized in that, a second shear key is provided under the bottom of the anchor bolt. 6. The unloading platform of the cantilever truss with double supports on the concrete column top as claimed in claim 4, wherein the support is a steel support. 7. The unloading platform of a cantilever truss with double supports on top of a concrete column according to claim 3, wherein the upper chord is welded to the support. 8 . The unloading platform of a double-support cantilever truss on a concrete column top as claimed in claim 1 , wherein the cantilever truss is a single truss or a double truss. 9. The unloading platform of the double-support cantilever truss on the concrete column top as claimed in claim 1, wherein the platform slab comprises a platform slab body and a plurality of support beams, and a plurality of the support beams are arranged along the upper chord The rods are arranged at intervals in sequence along the length direction, and the two ends of each support beam are respectively fixedly connected with the two upper chords, and the platform slab body is flatly laid on a plurality of the support beams. 10. The unloading platform of the cantilever truss with double supports on the top of the concrete column according to claim 1, wherein the corbels are extended on the left and right sides of the column top of the concrete support column to form a T-shaped concrete column top.

Images