CN219118557U

CN219118557U - Prefabricated cantilever beam

Info

Publication number: CN219118557U
Application number: CN202223338867.7U
Authority: CN
Inventors: 胡胜利; 冯超; 宋鹏
Original assignee: Shandong Lianqiang Construction Industry Technology Co ltd
Current assignee: Shandong Lianqiang Construction Industry Technology Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-06-02
Anticipated expiration: 2032-12-14

Abstract

The utility model relates to the technical field of overhanging balconies, in particular to a prefabricated overhanging beam, which comprises the following components: the first precast beam and the second precast beam are both L-shaped, and clamping blocks corresponding to the clamping grooves are fixedly arranged on the inner side walls of the second splicing grooves; one end of the second precast beam is fixedly connected with a reinforcing lug, and the reinforcing lug is positioned in the inner cavity of the reinforcing groove and is matched with the inner cavity of the reinforcing groove; the two support rib plates are respectively and fixedly arranged at the lower surface end parts of the first precast beam and the second precast beam; the beneficial effects are as follows: through prefabricated "L" first precast beam and second precast beam, form integral type balcony cantilever after with first precast beam and second precast beam concatenation, then carry out the formwork and pour the side at the wall body and fix the balcony cantilever to use the support gusset to support first precast beam and second precast beam and consolidate, need not to stretch out the wall body outside with pouring the formwork during construction, reduced construction degree of difficulty and potential safety hazard.

Description

Prefabricated cantilever beam

Technical Field

The utility model relates to the technical field of overhanging balconies, in particular to a prefabricated overhanging beam.

Background

The overhanging balcony is characterized in that the whole or multiple parts of the balcony extend out, the outermost side is provided with a wall or a column without bearing, and the bearing is selected by a floor slab or cantilever beams are arranged at two ends of the balcony for bearing.

In the prior art, the overhanging beam of the balcony is generally prefabricated into a secondary beam at the overhanging beam side, and the secondary beam is installed with the overhanging beam on site and is connected with reinforcing steel bars.

However, at present, because the overhanging beam needs to be cast in situ on site, the secondary beam and the overhanging beam need to be connected through pouring, and the whole construction process needs to be carried out on the outer side of the wall body, the construction difficulty is high, and the potential safety hazard is high. Therefore, the utility model provides a prefabricated cantilever beam for solving the problems.

Disclosure of Invention

The utility model aims to provide a prefabricated cantilever beam, which solves the problems that the connection between a secondary beam and the cantilever beam, which are proposed in the background art, needs to be poured on the outer side of a wall body by formwork erection, and the construction difficulty and the potential safety hazard are high.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a prefabricated cantilever beam comprising:

the first precast beam and the second precast beam are both L-shaped, a first splicing groove is formed in the outer side of one side edge of the first precast beam, a clamping groove is formed in the inner wall of the first splicing groove, a second splicing groove is formed in the inner side of one side edge of the second precast beam, a clamping block corresponding to the clamping groove is fixedly arranged on the inner side wall of the second splicing groove, and the first precast beam and the second precast beam are spliced with each other to form a shape of ;

the reinforcing groove is formed in the inner wall of one end of the first splicing groove, one end of the second precast beam is fixedly connected with a reinforcing lug, and the reinforcing lug is located in the inner cavity of the reinforcing groove and is matched with the inner cavity of the reinforcing groove; a kind of electronic device with high-pressure air-conditioning system

The support rib plates are arranged in two, and the two support rib plates are fixedly arranged at the lower surface end parts of the first precast beam and the second precast beam respectively.

Preferably, the support rib plate is arranged to be triangular, a trapezoid block is fixedly arranged on the upper surface of the support rib plate, trapezoid grooves are formed in the end portions of the lower surfaces of the first precast beam and the second precast beam, and the trapezoid block is located in the inner cavity of the trapezoid groove and is matched with the inner cavity of the trapezoid groove.

Preferably, the bottom of the trapezoid groove is provided with a threaded jack, the middle of the lower surface of the supporting rib plate is provided with a mounting groove, the bottom of the mounting groove is provided with a through hole corresponding to the threaded jack, and the two supporting rib plates are fixedly connected with the first precast beam and the second precast beam through bolts respectively.

Preferably, the inner side wall of the first precast beam and the inner side wall of the second precast beam are both inwards protruded to form an inner boss.

Preferably, the bottom of the clamping groove and the surface of the clamping block are provided with connecting jacks, a threaded sleeve is pre-cast in the connecting jacks, and the clamping block is fixed through bolts after being inserted into the inner cavity of the clamping groove.

Preferably, a preset groove arranged on the surface of the inner boss is formed in the inner side of one side edge of the first precast beam, and the preset groove is located on the back face of the clamping groove.

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

the utility model discloses a prefabricated "L" first precast beam and second precast beam form integral type balcony encorbelment after with first precast beam and second precast beam concatenation, then carry out the formwork and pour the side at the wall body and fix the balcony encorbelment to use the support gusset to support first precast beam and second precast beam and consolidate, need not to stretch out the wall body outside with pouring the formwork during the construction, reduced the construction degree of difficulty and potential safety hazard.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a schematic perspective view of a first precast beam structure according to the present utility model;

FIG. 3 is a schematic perspective view of a second precast beam structure according to the present utility model;

fig. 4 is a schematic perspective view of a structure of a support rib plate according to the present utility model.

In the figure: 1. a first precast beam; 2. a second precast beam; 3. a first splice groove; 4. a clamping groove; 5. a second splice groove; 6. a clamping block; 7. reinforcing the groove; 8. reinforcing the protruding blocks; 9. a support rib plate; 10. a trapezoid block; 11. a trapezoid groove; 12. a threaded jack; 13. a mounting groove; 14. a through hole; 15. an inner boss; 16. a connection jack; 17. the grooves are preset.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1 to 4, the present utility model provides a technical solution:

example 1

A prefabricated cantilever beam comprising: the first precast beam 1, the second precast beam 2, the reinforcing groove 7 and the supporting rib plate 9.

Specifically, the first precast beam 1 and the second precast beam 2 are both arranged as an L shape, the structures of the first precast beam 1 and the second precast beam 2 are respectively shown in fig. 2 and 3, a first splicing groove 3 is formed in the outer side of one side edge of the first precast beam 1, a clamping groove 4 is formed in the inner wall of the first splicing groove 3, a second splicing groove 5 is formed in the inner side of one side edge of the second precast beam 2, a clamping block 6 corresponding to the clamping groove 4 is fixedly arranged in the inner side wall of the second splicing groove 5, the first precast beam 1 and the second precast beam 2 are mutually spliced to form a shape, the first splicing groove 3 and the second splicing groove 5 are formed to ensure that the first precast beam 1 and the second precast beam 2 can be mutually spliced to form a shape as shown in fig. 1, the overhanging surface has no dislocation and steps, the overhanging surface can be coated with a thin concrete layer or a waterproof layer after splicing, the attractive appearance can be ensured, and the cooperation of the clamping groove 4 and the clamping block 6 can avoid the dislocation of the first precast beam 1 and the second precast beam 2 in the vertical direction, so that the connection strength between the first precast beam 1 and the second precast beam 2 is reinforced;

secondly, the reinforcing groove 7 is formed in the inner wall of one end of the first splicing groove 3, one end of the second precast beam 2 is fixedly connected with the reinforcing convex block 8, the reinforcing convex block 8 is located in the inner cavity of the reinforcing groove 7 and is matched with the inner cavity of the reinforcing groove 7, and the reinforcing groove 7 and the reinforcing convex block 8 are used for further reinforcing the connection strength between the first precast beam 1 and the second precast beam 2 and preventing the first precast beam 1 and the second precast beam 2 from being misplaced due to gravity and from being relatively deflected;

further, the support rib plates 9 are arranged in two, the two support rib plates 9 are fixedly arranged at the end parts of the lower surfaces of the first precast beam 1 and the second precast beam 2 respectively, the end parts of the first precast beam 1 and the second precast beam 2 are fixedly maintained through concrete pouring and a wall surface, pouring support molds of the concrete are arranged on the side surface of the wall body in a supporting mode, the support rib plates do not need to extend outwards, construction difficulty and potential safety hazards are effectively reduced, and the support rib plates 9 are used for reinforcing and supporting the whole overhanging.

Example two

On the basis of embodiment one, in order to support first precast beam 1 and second precast beam 2, this application sets up support gusset 9 to triangle-shaped, the side and the upper surface of support gusset 9 laminate the wall respectively and the lower surface of encorbelment, it is more stable to ensure to encorbelment, avoid encorbelment to incline down under the action of gravity and produce the crack, the last fixed surface of support gusset 9 is provided with trapezoidal piece 10, trapezoidal groove 11 has all been seted up to the lower surface tip of first precast beam 1 and second precast beam 2, trapezoidal piece 10 is located trapezoidal groove 11's inner chamber and looks adaptation with it, trapezoidal piece 10 and trapezoidal groove 11's setting is used for preventing that support gusset 9 from taking place to remove and lead to with the dislocation of encorbelmenting in the horizontal direction.

In addition, the bottom of the trapezoid groove 11 is provided with a threaded insertion hole 12, the middle of the lower surface of the supporting rib plate 9 is provided with a mounting groove 13, the bottom of the mounting groove 13 is provided with a through hole 14 corresponding to the threaded insertion hole 12, the two supporting rib plates 9 are respectively fixedly connected with the first precast beam 1 and the second precast beam 2 through bolts, therefore, the supporting rib plates 9 can be stably arranged on the overhanging lower surface, the self gravity of the supporting rib plates 9 is relatively small, the supporting rib plates can be fixed on the overhanging lower surface only by the bolts, and after the overhanging is fixed with a wall surface through concrete pouring, the side edges of the supporting rib plates 9 can be fixed with the wall surface, so that the position stability of the supporting rib plates 9 is ensured.

Example III

On the basis of embodiment two, in order to be convenient for later stage pour the balcony board or install the balcony board, this application still has the inside wall at first precast beam 1 and the inside wall of second precast beam 2 all inwards protruding formation interior boss 15, and the setting of interior boss 15 has strengthened the bulk strength of first precast beam 1 and second precast beam 2 on the one hand, carries out the formwork or directly splices prefabricated balcony board when on the other hand being convenient for later stage pour the balcony board.

Example IV

On the basis of embodiment three, in order to splice fixedly to first precast beam 1 and second precast beam 2, connection jack 16 has all been seted up on the surface of draw-in groove 4's tank bottom and fixture block 6, have pour the screw sleeve in advance in the connection jack 16, fixture block 6 inserts behind the draw-in groove 4 inner chamber through bolt fastening, namely, splice between first precast beam 1 and the second precast beam 2 and pass through bolt fastening, because first precast beam 1 and second precast beam 2 bear gravity only in vertical direction, can not receive great external force in the horizontal direction, connecting bolt between first precast beam 1 and the second precast beam 2 is enough fixed first precast beam 1 and second precast beam 2, in order to avoid first precast beam 1 and second precast beam 2 to take place the separation, and first precast beam 1 and second precast beam 2 all prefabricate the shaping, splice can be carried out on ground, hoist to the suitable height of balcony after the concatenation only need end portion pour fixedly can.

Example five

On the basis of the fourth embodiment, in order to avoid the connecting bolt between the first precast beam 1 and the second precast beam 2 from falling off, the connecting bolt is further fixed, the falling of the bolt is avoided, the inner side of one side edge of the first precast beam 1 is provided with a preset groove 17 arranged on the surface of the inner boss 15, the preset groove 17 is positioned on the back surface of the clamping groove 4, the preset groove 17 is used for extending the connecting bolt between the first precast beam 1 and the second precast beam 2 into the first precast beam 1, after the connection of the first precast beam 1 and the second precast beam 2 is completed, the preset groove 17 is filled and smeared by using concrete, namely, the connecting bolt at the position can be further fixed, the falling off of the bolt is avoided, and the inner wall of the inner boss 15 can be ensured so as to improve the waterproof performance when a balcony plate is poured in the later stage.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prefabricated cantilever beam which characterized in that: comprising the following steps:

the novel prefabricated beam comprises a first prefabricated beam (1) and a second prefabricated beam (2), wherein the first prefabricated beam (1) and the second prefabricated beam (2) are both L-shaped, a first splicing groove (3) is formed in the outer side of one side edge of the first prefabricated beam (1), a clamping groove (4) is formed in the inner wall of the first splicing groove (3), a second splicing groove (5) is formed in the inner side of one side edge of the second prefabricated beam (2), a clamping block (6) corresponding to the clamping groove (4) is fixedly arranged on the inner side wall of the second splicing groove (5), and the first prefabricated beam (1) and the second prefabricated beam (2) are spliced into a shape of ;

the reinforcing groove (7) is formed in the inner wall of one end of the first splicing groove (3), one end of the second precast beam (2) is fixedly connected with a reinforcing lug (8), and the reinforcing lug (8) is located in the inner cavity of the reinforcing groove (7) and is matched with the inner cavity of the reinforcing groove; a kind of electronic device with high-pressure air-conditioning system

The support rib plates (9) are arranged, two support rib plates (9) are fixedly arranged at the lower surface end parts of the first precast beam (1) and the second precast beam (2) respectively.

2. A prefabricated cantilever beam according to claim 1, wherein: the support rib plates (9) are arranged to be triangular, trapezoid blocks (10) are fixedly arranged on the upper surfaces of the support rib plates (9), trapezoid grooves (11) are formed in the lower surface end portions of the first precast beam (1) and the second precast beam (2), and the trapezoid blocks (10) are located in the inner cavities of the trapezoid grooves (11) and are matched with the inner cavities of the trapezoid grooves.

3. A prefabricated cantilever beam according to claim 2, wherein: threaded insertion holes (12) are formed in the bottoms of the trapezoid grooves (11), mounting grooves (13) are formed in the middle of the lower surface of the supporting rib plates (9), through holes (14) corresponding to the threaded insertion holes (12) are formed in the bottoms of the mounting grooves (13), and the two supporting rib plates (9) are fixedly connected with the first precast beam (1) and the second precast beam (2) through bolts respectively.

4. A prefabricated cantilever according to claim 3, wherein: the inner side wall of the first precast beam (1) and the inner side wall of the second precast beam (2) are inwards protruded to form an inner boss (15).

5. The precast cantilever according to claim 4, wherein: the connecting jacks (16) are formed in the bottoms of the clamping grooves (4) and the surfaces of the clamping blocks (6), threaded sleeves are pre-cast in the connecting jacks (16), and the clamping blocks (6) are fixed through bolts after being inserted into the inner cavities of the clamping grooves (4).

6. A prefabricated cantilever beam according to claim 5, wherein: the inner side of one side of the first precast beam (1) is provided with a preset groove (17) which is formed in the surface of the inner boss (15), and the preset groove (17) is positioned on the back of the clamping groove (4).