CN220747423U

CN220747423U - Fracture-preventing assembled precast beam

Info

Publication number: CN220747423U
Application number: CN202321913140.9U
Authority: CN
Inventors: 黄建忠; 杨红萍; 曹仁杰
Original assignee: Jiangsu Guangyixin Technology Co ltd
Current assignee: Jiangsu Guangyixin Technology Co ltd
Priority date: 2023-07-20
Filing date: 2023-07-20
Publication date: 2024-04-09
Anticipated expiration: 2033-07-20

Abstract

The utility model belongs to the field of precast beams, in particular to an anti-fracture assembled precast beam, which comprises a concrete layer, wherein transverse ribs are symmetrically arranged in the concrete layer and close to the edges of the front end and the rear end, outer stirrups are fixedly arranged on one side of the outer surface of each transverse rib at equal intervals through binding wires, an upper clamping piece is clamped between two adjacent outer stirrups on the outer surface of each transverse rib close to the upper part, a lower clamping piece is clamped at the position, corresponding to the upper clamping piece, of the outer surface of each transverse rib close to the lower part, limit clamping grooves are symmetrically formed in the edges of the bottom end of each upper clamping piece, and limit clamping blocks are symmetrically welded on the edges of the top end of each lower clamping piece; the concrete layer is supported by the transverse ribs in combination with the inclined brackets and the reinforcing ribs, so that the effect of improving the overall strength of the concrete layer is achieved, the problem that the concrete layer is likely to break after being stressed and loaded for a certain time is solved, the overall service efficiency of the concrete layer is improved, and the overall service life of the concrete layer is prolonged.

Description

Fracture-preventing assembled precast beam

Technical Field

The utility model relates to the field of precast beams, in particular to an anti-fracture assembled precast beam.

Background

Along with the continuous development of assembled buildings in China, the assembled structure is widely applied to various buildings, and precast concrete beams are adopted to replace cast-in-place concrete beams in the assembled buildings, however, the existing precast concrete beams cannot be directly connected into a whole when being connected with other components, sleeve grouting is required for connection, the connection reliability is poor, the connection difficulty is high, and the construction efficiency is low.

At present, chinese patent with publication number CN218264566U discloses an assembled precast concrete beam, which comprises a beam main body composed of steel bars and concrete wrapping the steel bars, steel connecting members are prefabricated at two ends of the beam main body respectively, one end of each steel connecting member is buried in the concrete and fixedly connected with the steel bars, and a connecting structure is arranged at the other end of each steel connecting member.

Compared with the prior art, the assembled precast concrete beam can be conveniently and quickly connected with other components into a whole, the problem of high connection difficulty and low construction efficiency in the prior art is solved, and the construction efficiency is improved.

Accordingly, a fracture-proof fabricated precast beam is proposed in view of the above-mentioned problems.

Disclosure of Invention

In order to make up for the defects of the prior art, the utility model provides an anti-fracture assembled precast beam.

The technical scheme adopted for solving the technical problems is as follows: the utility model discloses an anti-fracture assembled precast beam, which comprises a concrete layer, wherein transverse ribs are symmetrically arranged in the concrete layer near the edges of the front end and the rear end, outer stirrups are fixedly arranged on one side of the outer surface of each transverse rib at equal intervals through binding wires, an upper clamping piece is clamped between two adjacent outer stirrups on the outer surface of each transverse rib near the upper part, a lower clamping piece is clamped at the position, corresponding to the upper clamping piece, of the outer surface of each transverse rib near the lower part, limiting clamping grooves are symmetrically formed in the edge of the bottom end of each upper clamping piece, limiting clamping blocks are symmetrically welded on the edge of the top end of each lower clamping piece, and supporting mechanisms are further arranged on the outer surfaces of the upper clamping pieces and the lower clamping pieces.

Preferably, the supporting mechanism comprises an inclined bracket, the inclined bracket is fixedly arranged at one end edge part of the upper clamping piece and one end edge part of the lower clamping piece, a plurality of fixing holes are formed in one side of the outer surface of the inclined bracket, and reinforcing ribs are inserted into the fixing holes.

Preferably, connecting plates are fixedly arranged on two side edge parts of the concrete layer, and a plurality of locking holes are formed in the middle of the top end of each connecting plate.

Preferably, the fixed slot has all been seted up at last fastener and lower fastener one end middle part, the fixed slot cross section is U type structure, horizontal muscle outside diameter is less than the distance between the fixed slot inner wall both sides, go up fastener and lower fastener and the mutual block of fixed slot.

Preferably, the cross section of one end of the limiting clamping block is of a T-shaped structure, one side top of the limiting clamping block is positioned inside the limiting clamping groove, and the limiting clamping groove and the limiting clamping block are mutually embedded.

Preferably, the number of the reinforcing ribs arranged in the inclined support is three, the outer diameter of each reinforcing rib is smaller than the inner diameter of a fixing hole, and the fixing holes and the reinforcing ribs are mutually embedded.

Preferably, the number of the transverse ribs is four, the transverse ribs are located at one side of the inner wall of the outer stirrup and close to the corners, and the transverse ribs are mutually matched with the outer stirrup.

The utility model has the advantages that:

according to the utility model, the plurality of transverse ribs and the outer stirrups are mutually fixed, the concrete layer is poured on the outer surface of the transverse ribs, the connecting plate is fixedly connected with the concrete layer, the connecting plate is arranged at an external installation position, the connecting plate is fixed through the external component matched locking holes, and meanwhile, the outer surface of the transverse ribs is symmetrically clamped with the plurality of upper clamping pieces and the plurality of lower clamping pieces, so that the inclined support is used for carrying out inclined support on the whole concrete layer, and the plurality of reinforcing ribs are used for carrying out vertical support on the whole concrete layer, thereby realizing the function of improving the whole strength of the concrete layer, solving the problem that the concrete layer is likely to break after being stressed and loaded for a certain time, improving the whole use efficiency of the concrete layer and prolonging the whole service life of the concrete layer.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a transverse rib structure according to the present utility model;

FIG. 3 is a schematic view of an oblique stent structure according to the present utility model;

fig. 4 is a schematic view of a partial enlarged structure of the fig. 3 a according to the present utility model.

In the figure: 1. a concrete layer; 2. a connecting plate; 3. a locking hole; 4. transverse ribs; 5. an outer stirrup; 6. an upper clamping piece; 7. a lower clamping piece; 8. a fixing groove; 9. a limit clamping groove; 10. a limit clamping block; 11. an oblique bracket; 12. a fixing hole; 13. reinforcing ribs.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the anti-fracture fabricated precast beam comprises a concrete layer 1, transverse ribs 4 are symmetrically arranged in the concrete layer 1 near the front end and the rear end, outer stirrups 5 are fixedly arranged on one side of the outer surface of each transverse rib 4 at equal intervals through binding wires, the number of the transverse ribs 4 is four, the transverse ribs 4 are positioned on one side of the inner wall of each outer stirrup 5 and near the corners, each transverse rib 4 is mutually matched with each outer stirrup 5, an upper clamping piece 6 is clamped between two adjacent outer stirrups 5 on the outer surface of each transverse rib 4 near the upper part, a lower clamping piece 7 is clamped between the outer surface of each transverse rib 4 near the lower part and the corresponding position of each upper clamping piece 6, limit clamping grooves 9 are symmetrically formed in the bottom end edge of each upper clamping piece 6, limit clamping blocks 10 are symmetrically welded on the top end edge of each lower clamping piece 7, the cross section of one end of each limit clamping block 10 is of a T-shaped structure, the top of one side of each limit clamping block 10 is positioned in each limit clamping groove 9, and the limit clamping blocks 9 and the outer surfaces of each limit clamping block 7 are mutually embedded, and a supporting mechanism is further arranged;

during operation, through fixing a plurality of transverse ribs 4 and outer stirrups 5 together to pour at the concrete layer 1 on its external surface, simultaneously a plurality of upper clamping pieces 6 of outer symmetry joint of transverse rib 4 and lower clamping piece 7, and make spacing clamping block 10 spacing joint advance spacing draw-in groove 9 inside, make upper clamping piece 6 and lower clamping piece 7 that upper and lower symmetry set up stably arrange transverse rib 4 external surface in, improve transverse rib 4 at the inside overall installation stability of concrete layer 1.

Further, the supporting mechanism comprises an inclined bracket 11, the inclined bracket 11 is fixedly arranged at one end edge part of the upper clamping piece 6 and the lower clamping piece 7, a plurality of fixing holes 12 are formed in one side of the outer surface of the inclined bracket 11, reinforcing ribs 13 are inserted into the fixing holes 12, the number of the reinforcing ribs 13 arranged in the single inclined bracket 11 is three, the outer diameter of the reinforcing ribs 13 is smaller than the inner diameter of the fixing holes 12, and the fixing holes 12 and the reinforcing ribs 13 are mutually embedded;

during operation, the inclined support 11 is made to support the whole concrete layer 1 in an inclined manner, the inclined supports 11 are made to buffer the vertical extrusion force borne by the concrete layer 1 in an inclined manner, and then the whole compressive strength of the concrete layer 1 is improved, and the reinforcing ribs 13 are made to support the whole concrete layer 1 in a vertical manner, so that the effect of improving the whole strength of the concrete layer 1 is achieved.

Further, connecting plates 2 are fixedly arranged at two side edges of the concrete layer 1, and a plurality of locking holes 3 are formed in the middle of the top end of each connecting plate 2;

during operation, the connecting plates 2 are fixedly installed at two sides of the outer surface of the concrete layer 1, the connecting plates 2 are lapped and placed at the outer installation positions, the concrete layer 1 is kept to be in a stable placement state as a whole, the outer components are limited into the locking holes 3, and then the connecting plates 2 and the outer structure are mutually fixed.

Further, the middle parts of one end of the upper clamping piece 6 and one end of the lower clamping piece 7 are respectively provided with a fixing groove 8, the cross section of each fixing groove 8 is of a U-shaped structure, the outer diameter of each transverse rib 4 is smaller than the distance between two sides of the inner wall of each fixing groove 8, and the upper clamping piece 6 and the lower clamping piece 7 are mutually clamped with the fixing grooves 8;

during operation, through arranging the transverse ribs 4 inside the fixing grooves 8, the overall arrangement effect of the transverse ribs 4 inside the fixing grooves 8 is maintained, and the overall stability of the transverse ribs 4 inside the concrete layer 1 is reflected.

Working principle: through fixing a plurality of horizontal muscle 4 and outer stirrup 5 each other to pour at concrete layer 1 external surface, with connecting plate 2 fixed mounting in concrete layer 1 surface both sides department, and place connecting plate 2 overlap joint in outside mounted position department, keep concrete layer 1 wholly to be in stable placing state, spacing into locking hole 3 inside through the external component, and then fix connecting plate 2 and external structure each other, simultaneously at a plurality of last clamps 6 of horizontal muscle 4 external surface symmetry joint and lower clamp 7, and make spacing clamping block 10 spacing joint into spacing draw-in groove 9 inside, make upper clamp 6 and lower clamp 7 that upper and lower symmetry set up stably place horizontal muscle 4 external surface, improve horizontal muscle 4 and carry out oblique support to concrete layer 1 wholly, make oblique support 11 carry out oblique buffering to concrete layer 1 loaded upper and lower, and then promote concrete layer 1 whole compressive strength, and make a plurality of strengthening rib 13 carry out vertical support to concrete layer 1 wholly, the function of improving concrete layer 1 whole intensity, the whole bearing efficiency after certain time has been pressed and the whole concrete layer 1 has been realized, the whole life-span of concrete layer 1 has been improved, the whole service life has been solved and the concrete layer 1 can be broken and the whole life has been used to the whole life of the concrete layer 1 has been improved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. Prevent prefabricated roof beam of fracture assembled, its characterized in that: including concrete layer (1), both ends limit department equal symmetry is provided with horizontal muscle (4) around being close to in concrete layer (1), horizontal muscle (4) surface one side is through binding wire equidistance fixed mounting outer stirrup (5), is close to top department horizontal muscle (4) surface is located joint between two adjacent outer stirrups (5) has last fastener (6), is close to below department horizontal muscle (4) surface and last fastener (6) corresponding position department joint have lower fastener (7), spacing draw-in groove (9) have been seted up to last fastener (6) bottom limit symmetry, lower fastener (7) top limit symmetry welding has spacing fixture block (10), it still is equipped with supporting mechanism with lower fastener (7) surface to go up fastener (6).

2. The fracture-resistant fabricated precast beam of claim 1, wherein: the supporting mechanism comprises an inclined support (11), the inclined support (11) is fixedly arranged at one end edge of the upper clamping piece (6) and one end edge of the lower clamping piece (7), a plurality of fixing holes (12) are formed in one side of the outer surface of the inclined support (11), and reinforcing ribs (13) are inserted into the fixing holes (12).

3. The fracture-resistant fabricated precast beam of claim 1, wherein: the concrete layer (1) is characterized in that connecting plates (2) are fixedly arranged at two side edges of the concrete layer (1), and a plurality of locking holes (3) are formed in the middle of the top end of each connecting plate (2).

4. The fracture-resistant fabricated precast beam of claim 1, wherein: the fixing device is characterized in that fixing grooves (8) are formed in the middle of one end of each of the upper clamping piece (6) and the middle of one end of the lower clamping piece (7), the cross section of each fixing groove (8) is of a U-shaped structure, the outer diameter of each transverse rib (4) is smaller than the distance between two sides of the inner wall of each fixing groove (8), and the upper clamping pieces (6) and the lower clamping pieces (7) are clamped with the fixing grooves (8) mutually.

5. The fracture-resistant fabricated precast beam of claim 1, wherein: the cross section of one end of the limiting clamping block (10) is of a T-shaped structure, the top of one side of the limiting clamping block (10) is located inside the limiting clamping groove (9), and the limiting clamping groove (9) and the limiting clamping block (10) are mutually embedded.

6. The fracture-resistant fabricated precast beam of claim 2, wherein: the number of the reinforcing ribs (13) arranged in the inclined support (11) is three, the outer diameter of each reinforcing rib (13) is smaller than the inner diameter of the corresponding fixing hole (12), and the fixing holes (12) are mutually embedded with the reinforcing ribs (13).

7. The fracture-resistant fabricated precast beam of claim 1, wherein: the number of the transverse ribs (4) is four, the transverse ribs (4) are located at one side of the inner wall of the outer stirrup (5) and close to the corners, and the transverse ribs (4) are mutually matched with the outer stirrup (5).