CN211114142U

CN211114142U - Cross beam of mortise and tenon steel-concrete structure

Info

Publication number: CN211114142U
Application number: CN201921868524.7U
Authority: CN
Inventors: 不公告发明人
Original assignee: Beijing Tianbang Jucheng Technology Co ltd
Current assignee: Beijing Tianbang Jucheng Technology Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-07-28
Anticipated expiration: 2029-10-31

Abstract

The utility model provides a crossbeam of tenon fourth of twelve earthly branches reinforced concrete structure, including the crossbeam body of hollow structure and both ends open-ended rectangle, set up the hole of pouring of at least one and the inside intercommunication of crossbeam body on the upper surface of crossbeam body, when the quantity of pouring the hole is two and above, pour the hole and set up along crossbeam body length direction interval. The utility model is provided with a pouring hole on the beam body, and concrete is poured into the beam from the pouring hole; both ends of the beam body are provided with necking structures matched with the joints in a clamping mode. The cross beam is of a rectangular structure, so that the structure is simple; and the utility model discloses a both ends of crossbeam body have the throat structure, and the crossbeam is through this throat structure and the cooperation of node joint, and the crossbeam passes through the throat structure and realizes fixing a position with the node, and the installation is swift.

Description

Cross beam of mortise and tenon steel-concrete structure

Technical Field

The utility model belongs to the building engineering field, concretely relates to crossbeam of tenon fourth of twelve earthly branches reinforced concrete structure.

Background

The mortise and tenon joint is a common connection form in ancient Chinese building structures. The structure takes wood and tiles as main building materials and takes a wood frame structure as a main structural mode. The steel structure is built by main components such as columns, beams and purlins, and joints among the components are matched by tenons and mortises.

Since the reform is opened, with the rapid development of the economy of China, the application of the steel structure is more and more extensive, and the steel structure plays an increasingly important role in the building engineering. The tenon-and-mortise reinforced concrete structure has the remarkable advantages of high strength, good anti-seismic performance, convenience in construction and the like, and is widely applied to building engineering.

CN208267099U discloses a rectangle trompil roof beam, rectangle trompil roof beam include the roof beam body, with the first disconnected piece that the roof beam body lower left corner corresponds and with the second disconnected piece that the roof beam body lower right corner corresponds, roof beam body horizontal stand welds between first disconnected piece and second disconnected piece. When the rectangular open-hole beam is installed, the first broken piece and the second broken piece are welded on a component group (namely a node) of the square steel pipe column, and then two ends of the beam body are respectively welded and fixed with the first broken piece and the second broken piece. Among the above-mentioned technical scheme, roof beam body both sides lack location structure with first disconnected and second disconnected during the welding roof beam body, need the artifical position of adjusting the roof beam body, and the roof beam body is heavier, and artifical the regulation is wasted time and energy for the installation degree of difficulty is big, and the installation effectiveness is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving the technical problem who exists among the prior art, the utility model aims at providing a crossbeam of tenon fourth of twelve earthly branches reinforced concrete structure to solve the big problem of the prior art crossbeam installation degree of difficulty.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a crossbeam of a tenon-and-mortise reinforced concrete structure comprises a rectangular crossbeam body with a hollow structure and two open ends, wherein the upper surface of the crossbeam body is provided with at least one pouring hole communicated with the inside of the crossbeam body, and when the number of the pouring holes is two or more, the pouring holes are arranged at intervals along the length direction of the crossbeam body; both ends of the beam body are provided with necking structures matched with the joints in a clamping mode.

According to the technical scheme, the beam body is provided with the pouring hole, and concrete is poured into the beam from the pouring hole. Be equipped with throat structure on the crossbeam body, the crossbeam body passes through throat structure and node joint, and the crossbeam passes through throat structure and node and realizes the location, simple to operate, and the installation effectiveness is high.

In another preferred embodiment of the present invention, the necking structure is formed by inwardly retracting both side surfaces of the beam body. Two side surfaces of the beam body are respectively flush with two side surfaces of the node, so that the beam body is conveniently connected with wall panels on two sides.

In a preferred embodiment of the present invention, the pouring hole is a waist-shaped hole or a rectangular hole.

The utility model discloses an in the preferred embodiment, when the quantity of pouring the hole is two and more, pour the hole along crossbeam body length direction evenly distributed. The uniform distribution makes the stress uniform.

In a preferred embodiment of the present invention, the width of the pouring hole is one third to two fifths of the width of the beam body. The width range of the pouring hole is proper, so that the concrete can be quickly poured into the beam; and the ratio of the width of the pouring hole to the width of the beam body is proper, so that the strength of the beam is ensured.

In a preferred embodiment of the present invention, the length of the casting hole is 500 mm-1000 mm. The length range of the pouring hole is proper, and the concrete can be quickly poured into the beam.

In another preferred embodiment of the present invention, the length of the throat structure is 200mm to 250 mm. The connecting length of the beam and the node is proper, and the connecting strength is ensured.

In another preferred embodiment of the present invention, the beam body is made of a rectangular steel pipe. The rectangular steel pipe is a section bar, and the manufacturing cost is low.

In another preferred embodiment of the present invention, a plurality of communication holes communicating with the inside of the beam body are provided on both side surfaces of the beam body. The concrete in the crossbeam flows out from the communicating holes, and the concrete that flows out is bonded with the shingles on both sides, and the connection is firmer.

The beneficial effects of the above technical scheme are: additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a beam of a mortise-tenon reinforced concrete structure according to an embodiment of the application.

Fig. 2 is a schematic structural view of a node connected with a beam of the mortise-tenon steel-concrete structure of fig. 1.

Fig. 3 is a schematic structural diagram of a beam of a mortise-tenon reinforced concrete structure in the second embodiment of the present application.

Reference numerals in the drawings of the specification include: the beam comprises a beam body 10, a beam upper surface 11, a pouring hole 11a, a beam lower surface 12, a beam side surface 13, a communication hole 13a, a necking structure 14, a column 20, a node 30, a notch 31, a node side surface 33 and a node lower surface 32.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "vertical", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

Example one

The present embodiment provides a crossbeam of mortise-tenon steel-concrete structure, as shown in fig. 1, in a preferred embodiment of the present invention, it includes hollow structure and both ends open-ended rectangle crossbeam body 10, for example crossbeam body 10 is made by the rectangle steel pipe, crossbeam body 10 has upper surface 11, lower surface 12 and two side surfaces 13. At least one pouring hole 11a communicated with the interior of the beam body 10 is formed in the upper surface 11 of the beam body 10, and concrete is poured into the interior of the beam from the pouring hole 11 a. When the number of the pouring holes 11a is two or more, the pouring holes 11a are arranged at intervals along the length direction of the beam body 10, and preferably, the pouring holes 11a are uniformly distributed along the length direction of the beam body 10 and are uniformly stressed. In the present embodiment, the number of casting holes 11a is preferably two, and more preferably three, to improve the strength.

As shown in fig. 1, in the present embodiment, both ends of the cross beam body 10 have the necking structures 14, and specifically, the necking structures 14 are formed by inwardly retracting both side surfaces 13 of the cross beam body 10, that is, the upper surface 11 and the lower surface 12 of the cross beam body 10 may not be inwardly retracted. Preferably, the length of the constriction 14 is 200mm to 250mm, more preferably 200mm, 220mm, 240mm, 250 mm.

As shown in fig. 2, the side surface of the upright post 20 is fixedly connected with a node 30, the node 30 is provided with a notch 31 matched with the necking structure 14, the notch 31 is of an open-top structure, and the cross beam of the utility model is connected with the notch 31 of the node 30 through the necking structure 14. Specifically, with the cross beam placed laterally, the throat structure 14 of the cross beam is inserted from the top opening of the node 30 toward the notch 31 and is caught in the notch 31, the lower surface 12 of the cross beam body 10 is limited by the node lower surface 32, and both side surfaces of the throat structure 14 are limited by both side surfaces 33 of the node 30. After the installation, the two side surfaces 13 of the beam body 10 are respectively flush with the two side surfaces 33 of the node 30, and the overlapping length of the notch 31 of the node 30 and the necking structure 14 is 200 mm-250 mm. The necking structure 14 is clamped in the notch 31 of the node 30, and the notch 31 plays a role in positioning and limiting the necking structure 14.

In another preferred embodiment of the present invention, the pouring hole 11a is preferably but not limited to a long strip-shaped hole such as a waist-shaped hole or a rectangular hole, the width of the pouring hole 11a is one-third to two-fifths of the width of the beam body 10, the length of the pouring hole 11a is 500 mm-1000 mm, and preferably, the width and the length of each pouring hole 11a of the same beam are the same. As shown in FIG. 1, the distance a between two casting holes 11a is preferably greater than or equal to 100mm, such as 100mm, 150mm, 200mm or 300mm, and the distance a is sufficient to ensure the strength of the beam and prevent the two side surfaces of the beam from being spread by concrete.

Example two

The structure principle of the present embodiment is basically the same as that of the first embodiment, except that, as shown in fig. 3, in the present embodiment, a plurality of communication holes 13a communicating with the inside of the beam body 10 are provided on both side surfaces 13 of the beam body 10. Therefore, when concrete is poured, the concrete in the cross beam flows out from the communication holes 13a, and the flowing concrete is bonded with the wall panels on two sides, so that the connection is firmer.

In the description herein, reference to the description of the terms "preferred embodiment," "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The beam of the tenon-and-mortise reinforced concrete structure is characterized by comprising a rectangular beam body with a hollow structure and two open ends, wherein the upper surface of the beam body is provided with at least one pouring hole communicated with the interior of the beam body, and when the number of the pouring holes is two or more, the pouring holes are arranged at intervals along the length direction of the beam body; and two ends of the beam body are provided with necking structures matched with the joints in a clamping manner.

2. The cross beam of a mortise and tenon steel-concrete structure according to claim 1, wherein the necking structure is formed by inwardly retracting two side surfaces of the cross beam body.

3. The cross beam of a mortise and tenon steel-concrete structure according to claim 1, wherein the pouring hole is a kidney-shaped hole or a rectangular hole.

4. The cross beam of a mortise and tenon steel-concrete structure according to claim 1, wherein when the number of the pouring holes is two or more, the pouring holes are uniformly distributed along the length direction of the cross beam body.

5. The cross beam of a mortise and tenon steel-concrete structure according to claim 4, wherein the width of the pouring hole is one third to two fifths of the width of the cross beam body.

6. The cross beam of a mortise and tenon steel-concrete structure according to claim 5, wherein the length of the pouring hole is 500 mm-1000 mm.

7. A beam of mortise and tenon steel-concrete structures according to any one of claims 1 to 6, wherein the length of the necking structure is 200mm to 250 mm.

8. A beam of mortise and tenon steel-concrete structures according to any one of claims 1 to 6, wherein the beam body is made of rectangular steel pipes.

9. The cross beam of a mortise and tenon steel-concrete structure according to claim 8, wherein a plurality of communication holes communicated with the inside of the cross beam body are formed on both side surfaces of the cross beam body.