Lightweight fabricated bamboo-concrete composite beam

Abstract

The utility model relates to the technical field of building construction, in particular to a light-weight assembly type bamboo-concrete composite beam which comprises a bamboo beam and a concrete prefabricated plate, a groove is formed in the upper end of the bamboo beam, a metal cylinder is fixedly connected to the outer end of the bamboo beam in a sleeved mode, the metal cylinder is located at the outer end of the groove, a square hole is formed in the upper end of the metal cylinder, and the square hole is connected with the concrete prefabricated plate. The lower port of the square hole is communicated with the port of the groove; a groove is formed in the upper end of the bamboo beam, a concrete prefabricated box is fixedly installed in the groove, the outer end of the bamboo beam is fixedly sleeved with a metal cylinder, then the concrete prefabricated box is placed in the groove and fixed, a concrete prefabricated plate is connected to the upper end of the bamboo beam in a lap joint mode, and an inserting plate is located in the concrete prefabricated box. The inserting plates at the lower ends of the two concrete prefabricated plates are inserted into the concrete prefabricated box, the two arc-shaped grooves are combined into the circular hole, then concrete is poured, the concrete flows into the concrete prefabricated box through the circular hole, the inserting plates and the long bolts are fixed, site construction is simple, and the construction efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to building construction technical field, concretely is a kind of lightweight fabricated bamboo-wood-concrete composite beam. BACKGROUND

[0002] Fabricated bamboo-wood-concrete composite beam has high construction efficiency, no wet operation and other advantages, and has good application prospect in fabricated building.

[0003] The construction mode of existing fabricated bamboo-wood-concrete composite beam is relatively complex, generally in the process of prefabricated concrete slab or bamboo-wood beam, shear connector needs to be anchored in concrete slab or bamboo-wood beam in the form of pre-buried, then the upper and lower two components are connected at construction site, the main shortcomings of this combination and construction mode are: first, connector is anchored with one component in advance, positioning requirement is accurate, component processing difficulty is big;Second, during on-site assembly, due to assembly error caused by component deformation and component processing, connector and reserved hole are difficult to match, on-site adjustment is difficult, leading to low construction efficiency.Therefore, developing new type of fabricated bamboo-wood-concrete composite beam becomes the key to improve the construction efficiency of this combined component. SUMMARY

[0004] The utility model aims at providing a kind of lightweight fabricated bamboo-wood-concrete composite beam to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of lightweight fabricated bamboo-wood-concrete composite beam, comprising: bamboo-wood beam and concrete prefabricated slab, recess is set up in the upper end of the bamboo-wood beam, metal cylinder is fixedly sleeved with the outer end of bamboo-wood beam, metal cylinder is located at the outer end of recess, square hole is set up in the upper end of metal cylinder, and the lower end of square hole and the end of recess are communicated;

[0006] Concrete prefabricated box is fixedly installed in recess, the upper end of concrete prefabricated box is flush with the upper end of metal cylinder, and the lower end of concrete prefabricated slab is provided with insertion plate on one side, when concrete prefabricated slab is overlapped on the upper end of bamboo-wood beam, insertion plate is located in concrete prefabricated box.

[0007] Preferably, the front and rear two end side walls of the metal cylinder and the concrete prefabricated box are provided with round holes one, and the fixed rod is arranged in the round hole one, and the fixed rod passes through the metal cylinder, the bamboo-wood beam and the concrete prefabricated box once at one end.

[0008] Preferably, the bottom end of the concrete prefabricated box is provided with round hole two.

[0009] Preferably, the metal pipe is arranged in the round hole two, the lower end of the metal pipe is inserted into the bamboo-wood beam, and the upper end of the metal pipe is flush with the upper side of the bottom end of the concrete prefabricated box.

[0010] Preferably, a long bolt is arranged in the metal pipe, the lower end of the long bolt penetrates the metal pipe and is screwed into the bamboo-wood beam, and the upper end of the long bolt is located in the concrete prefabricated box.

[0011] Preferably, the concrete prefabricated board is provided with an arc-shaped recess on one side, and when the two insertion plates at the lower ends of the two concrete prefabricated boards are inserted into the concrete prefabricated box, the two arc-shaped recesses are combined into a round hole.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] By fixing the metal cylinder on the outer end of the bamboo-wood beam, then placing the concrete prefabricated box in the recess and fixing it, then overlapping the concrete prefabricated boards on the upper end of the bamboo-wood beam, inserting the insertion plates into the concrete prefabricated box, combining the two arc-shaped recesses into a round hole, and then pouring concrete, the concrete flows into the concrete prefabricated box through the round hole, and the insertion plates and the long bolt are fixed, so that the on-site construction is simple and the construction efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a front view of the overall structure of the utility model;

[0015] Fig. 2 It is a schematic view of the upper end structure of the bamboo-wood beam of the utility model;

[0016] Fig. 3 It is a sectional view of the bamboo-wood beam of the utility model;

[0017] Fig. 4 It is a bottom view of the concrete prefabricated board of the utility model.

[0018] In the drawing: 1, bamboo-wood beam; 2, recess; 3, metal cylinder; 4, square hole; 5, concrete prefabricated box; 6, round hole one; 7, round hole two; 8, metal pipe; 9, long bolt; 10, fixed rod; 11, concrete prefabricated board; 12, insertion plate; 13, arc-shaped recess. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme of the utility model clear, complete and the advantages more clear and clear, the following will be further described in detail by combining with the drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all the embodiments, but only to explain the embodiments of the utility model, and not to limit the embodiments of the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of protection of the utility model.

[0020] Please refer to Figs. 1 to 4The utility model provides a technical scheme: a kind of lightweight fabricated bamboo-wood-concrete composite beam, comprising: bamboo-wood beam 1 and concrete prefabricated slab 11, the upper end of bamboo-wood beam 1 is provided with recess 2, the outer end of bamboo-wood beam 1 is fixedly sleeved with metal cylinder 3, metal cylinder 3 is made of stainless steel, high strength and rust-proof service life is long, reinforcing treatment is carried out to the grooving of bamboo-wood beam 1, metal cylinder 3 is located at the outer end of recess 2, the upper end of metal cylinder 3 is provided with square hole 4, the lower end of square hole 4 and the port of recess 2 are communicated, concrete prefabricated box 5 is fixedly installed in recess 2, the upper end of concrete prefabricated box 5 and the upper end of metal cylinder 3 are flush, round hole one 6 is all set on the front and back two end side walls of metal cylinder 3 and concrete prefabricated box 5, fixed rod 10 is set in round hole one 6, fixed rod 10 one end passes through metal cylinder 3, bamboo-wood beam 1 and concrete prefabricated box 5, fixed rod 10 is fixed in recess 2 by hammering through the side wall of bamboo-wood beam 1, and concrete prefabricated box 5 is fixed in recess 2.

[0021] The bottom end of concrete prefabricated box 5 is provided with round hole two 7, metal pipe 8 is arranged in round hole two 7, placing groove for the insertion of metal pipe 8 is formed in the side wall of bamboo-wood beam 1 below round hole two 7, the lower end of metal pipe 8 is inserted into the placing groove in bamboo-wood beam 1, the upper end of metal pipe 8 and the upper side of the bottom end of concrete prefabricated box 5 are flush, long bolt 9 is arranged in metal pipe 8, the lower end of long bolt 9 passes through metal pipe 8 and is screwed into bamboo-wood beam 1, and the upper end of long bolt 9 is located in concrete prefabricated box 5, when pouring concrete into concrete prefabricated box 5, the upper end of long bolt 9 is covered while concrete flows into metal pipe 8, and long bolt 9 is fixed when concrete solidifies, so that concrete prefabricated box 5 is fixed in recess 2.

[0022] Concrete prefabricated slab 11 is connected to the left and right sides of concrete prefabricated box 5, arc-shaped recess 13 is arranged on one side of concrete prefabricated slab 11, and insertion plate 12 is arranged on one side of the lower end of concrete prefabricated slab 11, concrete prefabricated slab 11, insertion plate 12 and arc-shaped recess 13 are integrally formed, when concrete prefabricated slab 11 is overlapped on the upper end of bamboo-wood beam 1, insertion plate 12 is located in concrete prefabricated box 5, and when the insertion plates 12 at the lower ends of the two concrete prefabricated slabs 11 are inserted into concrete prefabricated box 5, the two arc-shaped recesses 13 are combined into a round hole, the round hole facilitates pouring of concrete, and the insertion plate 12 is fixed in concrete prefabricated box 5.

[0023] When the device works, firstly, the metal cylinder 3 is fixedly sleeved on the outer end of the bamboo beam 1, then the concrete prefabricated box 5 is placed in the groove 2 and fixed, then the concrete prefabricated plate 11 is overlapped on the upper end of the bamboo beam 1, the insertion plate 12 is located in the concrete prefabricated box 5, the insertion plate 12 at the lower end of the two concrete prefabricated plates 11 is inserted into the concrete prefabricated box 5, the two arc-shaped grooves 13 are combined into a round hole, then the concrete is poured, the concrete flows into the concrete prefabricated box 5 through the round hole, and the insertion plate 12 and the long bolt 9 are fixed.

[0024] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A lightweight fabricated bamboo-wood-concrete composite beam, comprising: The bamboo beam (1) and the concrete prefabricated plate (11) are characterized in that: the upper end of the bamboo beam (1) is provided with a groove (2), the outer end of the bamboo beam (1) is fixedly sleeved with a metal cylinder (3), the metal cylinder (3) is located at the outer end of the groove (2), the upper end of the metal cylinder (3) is provided with a square hole (4), and the lower end of the square hole (4) is communicated with the end of the groove (2). The groove (2) is fixedly provided with a concrete prefabricated box (5), the upper end of the concrete prefabricated box (5) is flush with the upper end of the metal cylinder (3), one side of the lower end of the concrete prefabricated plate (11) is provided with a plug-in plate (12), and when the concrete prefabricated plate (11) is overlapped on the upper end of the bamboo beam (1), the plug-in plate (12) is located in the concrete prefabricated box (5).

2. The lightweight fabricated bamboo-wood-concrete composite beam according to claim 1, characterized in that: The front and rear ends of the metal cylinder (3) and the concrete prefabricated box (5) are provided with circular holes (6) on the side walls, the circular holes (6) are provided with fixed rods (10), and one end of the fixed rod (10) penetrates through the metal cylinder (3), the bamboo beam (1) and the concrete prefabricated box (5).

3. The lightweight fabricated bamboo-wood-concrete composite beam according to claim 1, characterized in that: The bottom end of the concrete prefabricated box (5) is provided with a circular hole (7).

4. The lightweight fabricated bamboo-wood-concrete composite beam according to claim 3, characterized in that: The circular hole (7) is provided with a metal pipe (8), the lower end of the metal pipe (8) is inserted into the bamboo beam (1), and the upper end of the metal pipe (8) is flush with the upper side of the bottom end of the concrete prefabricated box (5).

5. The lightweight fabricated bamboo-wood-concrete composite beam according to claim 4, characterized in that: The metal pipe (8) is provided with a long bolt (9), the lower end of the long bolt (9) penetrates through the metal pipe (8) and is screwed into the bamboo beam (1), and the upper end of the long bolt (9) is located in the concrete prefabricated box (5).

6. The lightweight fabricated bamboo-wood-concrete composite beam according to claim 1, characterized in that: One side of the concrete prefabricated plate (11) is provided with an arc-shaped groove (13), and when the plug-in plates (12) at the lower ends of two concrete prefabricated plates (11) are inserted into the concrete prefabricated box (5), the two arc-shaped grooves (13) are combined into a circular hole.

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