CN217128741U - Precast beam - Google Patents
Precast beam Download PDFInfo
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- CN217128741U CN217128741U CN202123439714.7U CN202123439714U CN217128741U CN 217128741 U CN217128741 U CN 217128741U CN 202123439714 U CN202123439714 U CN 202123439714U CN 217128741 U CN217128741 U CN 217128741U
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- steel bar
- vertical surface
- precast beam
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Abstract
The utility model provides a precast beam, the precast beam comprises a precast beam shell and a steel reinforcement framework, the precast beam shell comprises a bottom surface, a first vertical surface and a second vertical surface, the first vertical surface and the second vertical surface are vertically arranged at two sides of the length direction of the bottom surface, and the height of the first vertical surface is greater than that of the second vertical surface; the steel bar framework is positioned between the first vertical surface and the second vertical surface and is fixedly connected with the first vertical surface, the second vertical surface and the bottom surface, and the height of the steel bar framework is higher than that of the second vertical surface and is smaller than that of the first vertical surface; the steel bar framework comprises a plurality of steel bar trusses arranged at intervals, and the steel bar trusses are connected with one another. The utility model provides a precast beam, sound construction need not set up the mould, and precast beam's stability is good.
Description
Technical Field
The utility model belongs to the technical field of the building element, concretely relates to precast beam.
Background
The fabricated building is a building formed by assembling prefabricated parts on a construction site, and is divided into five types, namely a block building, a plate building, a box type building, a framework plate building, a rising-rise building and the like according to the form and the construction method of the prefabricated parts. A large number of building parts in the prefabricated building are produced and processed by a workshop, and the prefabricated parts mainly comprise external wall panels, internal wall panels, laminated slabs, balconies, air-conditioning slabs, stairs, prefabricated beams, prefabricated columns and the like. Different from the existing building construction, the cast-in-place operation of the fabricated building is greatly reduced, and only the assembly operation is needed on site. Because the assembly type building adopts the integrated design and construction of building and decoration, the decoration can be synchronously carried out along with the construction of the main body. The assembly type building has received wide attention from governments and enterprises because a large amount of raw materials can be saved in the construction process, and the industrial production and industrialization of the building can be realized.
SUMMERY OF THE UTILITY MODEL
The utility model provides a precast beam, sound construction need not to set up the mould, and stability is high, practices thrift a large amount of former materials and manual work.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a precast beam comprises a precast beam shell and a steel reinforcement framework, wherein the precast beam shell comprises a bottom surface, a first vertical surface and a second vertical surface, the first vertical surface and the second vertical surface are vertically arranged on two sides of the length direction of the bottom surface, and the height of the first vertical surface is greater than that of the second vertical surface; the steel bar framework is positioned between the first vertical surface and the second vertical surface and is fixedly connected with the first vertical surface, the second vertical surface and the bottom surface, and the height of the steel bar framework is higher than that of the second vertical surface and is smaller than that of the first vertical surface; the steel bar framework comprises a plurality of steel bar trusses arranged at intervals, and the steel bar trusses are connected with one another.
Furthermore, the steel bar truss comprises an upper chord steel bar and a lower chord steel bar which are arranged in parallel, a plurality of inverted V-shaped supports are sequentially and fixedly arranged on the upper chord steel bar and the lower chord steel bar, the upper ends of the inverted V-shaped supports are fixedly connected with the upper chord steel bar, and the lower ends of the inverted V-shaped supports are fixedly connected with the lower chord steel bar.
Furthermore, a waist rib is arranged in the middle of the inverted V-shaped supports and is parallel to the upper chord steel bar.
Furthermore, a plurality of the steel bar trusses are connected with each other through a plurality of transverse erection steel bars which are arranged on the upper end surface and the lower end surface at intervals.
Further, a plurality of the transverse erection steel bars are perpendicular to the upper chord steel bar.
Furthermore, the number of the steel bar trusses is three, the steel bar trusses positioned on two sides are respectively positioned in the first vertical surface and the second vertical surface, and the lower chord steel bar of the steel bar truss positioned in the middle is fixedly connected with the upper end surface of the bottom surface; and the transverse erection steel bars at the two ends are fixedly connected with the front end face and the rear end face of the precast beam shell respectively.
Furthermore, all be equipped with the wire net on the inside wall of precast beam shell.
Furthermore, two through holes for positioning are arranged on the bottom surface at intervals.
Further, the range of height difference between the first facade and the second facade is 120CM ± 5 CM.
Further, the height difference between the first vertical surface and the second vertical surface is 120 cm.
The precast beam provided by the utility model uses the steel bar framework composed of a plurality of steel bar trusses to replace the steel bar framework composed of the traditional longitudinal bars, the transverse bars and the stirrups, and the steel bar trusses on the two sides are completely fixed in the two vertical surfaces of the precast beam shell, so that the structure of the precast beam is firmer; the first elevation and the second elevation of the precast beam shell have height difference, so that in the process of casting concrete on site, the casting range of the concrete is limited by directly utilizing the height difference part, a mould is not required to be arranged, the stability of the precast beam is good, the mould is not required to be arranged, the stability is high, and a large amount of raw materials and manpower are saved.
Drawings
Fig. 1 is a schematic perspective view of a precast beam according to the present invention;
fig. 2 is a schematic perspective view of the shell of the precast beam according to the present invention;
fig. 3 is a schematic perspective view of the steel reinforcement cage of the present invention;
fig. 4 is a schematic diagram of the steel wire mesh structure of the present invention.
The steel wire mesh reinforced concrete beam comprises a prefabricated beam shell, a steel bar framework, a steel wire mesh, a bottom surface, a first vertical surface, a second vertical surface, a 111 through hole, a 21 steel bar truss, a 22 transverse erecting steel bar, a 211 upper chord steel bar, a 212 lower chord steel bar, a 213 inverted V-shaped support and a 214 waist bar.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-4, the precast beam comprises a precast beam shell 1 and a steel reinforcement framework 2, and steel wire meshes 3 are arranged on the inner side walls of the precast beam shell 1; the precast beam shell 1 comprises a bottom surface 11, a first vertical surface 12 and a second vertical surface 13, wherein the first vertical surface 12 and the second vertical surface 13 are vertically arranged on two sides of the bottom surface 11 in the length direction, the height of the first vertical surface 12 is greater than that of the second vertical surface 13, and the height difference between the first vertical surface 12 and the second vertical surface 13 is 120 cm; the steel bar framework 2 is positioned between a first vertical surface 12 and a second vertical surface 13 and fixedly connected with the first vertical surface 12, the second vertical surface 13 and a bottom surface 11, the height of the steel bar framework 2 is higher than that of the second vertical surface 13 and is smaller than that of the first vertical surface 12, and two through holes 111 for positioning are arranged on the bottom surface 11 at intervals; the steel bar framework 2 comprises three steel bar trusses 21 arranged at intervals, and the three steel bar trusses 21 are connected with each other through a plurality of transverse erection steel bars 22 arranged on the upper end surface and the lower end surface at intervals; the steel bar truss 21 comprises an upper chord steel bar 211 and a lower chord steel bar 212 which are arranged in parallel, a plurality of inverted V-shaped supports 213 are fixedly arranged on the upper chord steel bar 211 and the lower chord steel bar 212 in sequence, the upper ends of the inverted V-shaped supports 213 are fixedly connected with the upper chord steel bar 211, the lower ends of the inverted V-shaped supports 213 are fixedly connected with the lower chord steel bar 212, a waist rib 214 is arranged in the middle of the inverted V-shaped supports 213, and the waist rib 214 is arranged in parallel with the upper chord steel bar 211; a plurality of the transverse erection bars 22 are perpendicular to the upper chord bars 211; the steel bar trusses 21 positioned on two sides are respectively positioned in the first vertical surface 12 and the second vertical surface 13, and the lower chord steel bars 211 of the steel bar truss 21 positioned in the middle are fixedly connected with the upper end surface of the bottom surface 11; the transverse erection steel bars 22 at the two ends are respectively fixedly connected with the front end face and the rear end face of the precast beam shell 1
The above is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention should be regarded as the protection scope of the present invention for those skilled in the art.
Claims (10)
1. The precast beam is characterized by comprising a precast beam shell and a steel reinforcement framework, wherein the precast beam shell comprises a bottom surface, a first vertical surface and a second vertical surface, the first vertical surface and the second vertical surface are vertically arranged on two sides of the bottom surface in the length direction, and the height of the first vertical surface is greater than that of the second vertical surface; the steel bar framework is positioned between the first vertical surface and the second vertical surface and is fixedly connected with the first vertical surface, the second vertical surface and the bottom surface, and the height of the steel bar framework is higher than that of the second vertical surface and is smaller than that of the first vertical surface; the steel bar framework comprises a plurality of steel bar trusses arranged at intervals, and the steel bar trusses are connected with one another.
2. The precast beam according to claim 1, wherein the steel bar truss comprises an upper chord steel bar and a lower chord steel bar which are arranged in parallel, a plurality of inverted V-shaped supports are fixedly arranged on the upper chord steel bar and the lower chord steel bar in sequence, the upper ends of the inverted V-shaped supports are fixedly connected with the upper chord steel bar, and the lower ends of the inverted V-shaped supports are fixedly connected with the lower chord steel bar.
3. The precast beam according to claim 2, wherein a wale is provided in the middle of the plurality of inverted V-shaped brackets, and the wale is arranged in parallel with the upper chord steel.
4. A precast beam according to claim 3, wherein a plurality of the steel bar trusses are connected to each other by a plurality of transverse erection bars spaced apart on upper and lower end surfaces thereof.
5. A precast beam according to claim 4, wherein a plurality of the transverse erection bars are perpendicular to the upper chord bars.
6. The precast beam according to claim 5, wherein the number of the steel bar trusses is three, the steel bar trusses positioned at both sides are respectively positioned in the first vertical surface and the second vertical surface, and the lower chord steel bar of the steel bar truss positioned at the middle position is fixedly connected with the upper end surface of the bottom surface; and the transverse erection steel bars at the two ends are fixedly connected with the front end face and the rear end face of the precast beam shell respectively.
7. The precast beam of claim 1, wherein a steel wire mesh is provided on each inner side wall of the precast beam shell.
8. A precast beam according to claim 1, wherein two through holes for positioning are provided at intervals on the bottom surface.
9. A precast beam according to claim 1, wherein the difference in height between the first and second vertical surfaces is in the range of 120CM ± 5 CM.
10. A precast beam according to claim 9, wherein the difference in height between the first and second vertical faces is 120 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123439714.7U CN217128741U (en) | 2021-12-30 | 2021-12-30 | Precast beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123439714.7U CN217128741U (en) | 2021-12-30 | 2021-12-30 | Precast beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217128741U true CN217128741U (en) | 2022-08-05 |
Family
ID=82620179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123439714.7U Active CN217128741U (en) | 2021-12-30 | 2021-12-30 | Precast beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217128741U (en) |
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2021
- 2021-12-30 CN CN202123439714.7U patent/CN217128741U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A type of prefabricated beam Effective date of registration: 20230807 Granted publication date: 20220805 Pledgee: Jiangsu Taicang Rural Commercial Bank Co.,Ltd. Yuewang Branch Pledgor: Suzhou Tuhong Construction Technology Co.,Ltd. Registration number: Y2023980051166 |