CN217175342U

CN217175342U - Assembled precast concrete superimposed sheet

Info

Publication number: CN217175342U
Application number: CN202123379726.5U
Authority: CN
Inventors: 印学军; 蔡伟; 黄赛凤
Original assignee: Taizhou Zhongxing Tangchen Green Building Technology Co ltd
Current assignee: Taizhou Zhongxing Tangchen Green Building Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-12
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses an assembly type precast concrete superimposed sheet, belonging to the field of assembly type building components, comprising a concrete slab, two staggered groups of connecting ribs are respectively and fixedly arranged at the two sides of the concrete slab, a wedge block is fixedly arranged at one end of the connecting rib far away from the concrete slab, the structure of the wedge block is a triangular cone, matching grooves matched with the wedge block are respectively arranged at the two sides of the concrete slab, a groove is arranged at one side of the matching groove close to the wedge block, and the width of recess is greater than the diameter of splice bar, and the one end of splice bar extends into concrete slab inside and is provided with oblique pull mechanism, and oblique pull mechanism include with splice bar outside fixed connection's two strengthening ribs, two strengthening ribs intercrossing, it can realize exerting the pulling force of horizontal direction for the concrete slab that is hung up through splice bar and voussoir, reduces concrete slab and sticks up and takes place because of the cracked condition that leads to of dead weight effect.

Description

Assembled precast concrete superimposed sheet

Technical Field

The utility model relates to an assembly type building element field, more specifically say, relate to an assembly type precast concrete superimposed sheet.

Background

If the bulletin authority number is CN208251439U, a prefabricated reinforced concrete composite slab comprises a reinforced bar, composite slab main bodies, a concrete slab, a transverse reinforcing bar, a vertical reinforcing bar, hanging holes, a hoisting device, a first convex edge, a first strip-shaped groove, a positioning block, a second convex edge, a second strip-shaped groove and a notch, wherein the composite slab main bodies are fastened one by one along one side of a building reserved frame, so that the second convex edge on the composite slab main body is embedded into the first strip-shaped groove on the previous composite slab main body, and the first convex edge on the previous composite slab main body is embedded into the second strip-shaped groove on the next composite slab main body, so that two adjacent composite slab main bodies are firmly engaged, two adjacent composite slab main bodies are aligned and connected conveniently, and the safety of the composite slab main bodies in the assembling process is improved;

but do not solve current prefabricated reinforced concrete superimposed sheet and in the assembling process, connect through first protruding edge, first bar groove, second protruding edge and second bar groove between two adjacent superimposed sheet main parts, and first protruding edge, first bar groove, there is the friction between second protruding edge and the second bar groove for first protruding edge is difficult to get into whole second bar groove that gets into, a superimposed sheet main part perk, the action of gravity that causes the superimposed sheet main part leads to the cracked problem of superimposed sheet main part perk part at its contact site of perk part and another superimposed sheet main part, we propose an assembled prefabricated concrete superimposed sheet for this reason.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide an assembled precast concrete superimposed sheet, it can realize giving the concrete slab that is hoisted through the pulling force that exerts the horizontal direction, reduces concrete slab and sticks up and leads to the cracked condition to take place because of the dead weight effect.

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides an assembled precast concrete superimposed sheet, includes concrete slab, its characterized in that: concrete slab's both sides respectively fixed mounting have staggered two sets of splice bar, concrete slab's one end fixed mounting is kept away from to the splice bar has the voussoir, the structure of voussoir is the three angular cone, concrete slab's both sides all set up with the cooperation groove of voussoir looks adaptation, the cooperation groove is close to one side of voussoir and has seted up the recess, just the width of recess is greater than the diameter of splice bar, the one end of splice bar extends into concrete slab inside and is provided with oblique pull mechanism.

Furthermore, draw mechanism to one side includes and two strengthening ribs with splice bar outside fixed connection, two the strengthening rib intercrossing, through being provided with a plurality of steel wire winding fixed connection between splice bar and the strengthening rib.

Furthermore, a plurality of chutes staggered with the grooves are formed in one side of the concrete plate, and a plurality of trapezoidal blocks are fixedly mounted on one side, far away from the chutes, of the concrete plate.

Further, the inner wall of the matching groove is provided with a foam layer.

Furthermore, an elastic block is fixedly installed at the upper end of the wedge block, and a plurality of through holes are formed in the elastic block.

Furthermore, the upper end of the groove is inserted with an insertion block, the insertion block is T-shaped, and two ends of the insertion block are fixedly connected with the upper end of the concrete slab through bolts.

Compared with the prior art, the utility model has the advantages of:

(1) this scheme during operation, place a concrete slab in the specified area, and hoist another concrete slab, and make both be close to, it is vertical just to the cooperation groove to make the voussoir, concrete slab is put down slowly again, make the voussoir slide along the inner wall of cooperation groove, the splice bar slides down along the inner wall of recess, exert the holding power of incline direction for the voussoir through the cooperation groove, make the voussoir descend the in-process and apply horizontal tension for the splice bar, the concrete slab who is hoisted is given to the pulling force of applying horizontal direction through splice bar and voussoir, until the voussoir does not go into the cooperation groove completely, make things convenient for two concrete slabs to hug closely together, reduce concrete slab perk and because of the cracked condition takes place of dead weight effect lead to.

(2) This scheme is when two adjacent concrete slabs of tie bar take-up, connects each tie bar through the strengthening rib for the tie bar is inseparabler each other's relation, and increases the area of contact between concrete slab, tie bar and the strengthening rib through the steel wire winding, conveniently strengthens the relation between each region of concrete slab, disperses the stress in the concrete slab, improves concrete slab's rigidity, further reduces the cracked condition of concrete slab portion and takes place.

Drawings

Fig. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic top view of the connection rib of the present invention;

FIG. 4 is a schematic side view of the insert block of the present invention;

fig. 5 is a schematic side view of the wedge of the present invention.

The reference numbers in the figures illustrate: 1. a concrete slab; 2. connecting ribs; 3. a wedge block; 4. a groove; 5. a mating groove; 6. reinforcing ribs; 7. a bead ring; 8. a chute; 9. a trapezoidal block; 10. a foam layer; 11. an elastic block; 12. a through hole; 13. inserting a block; 14. and (4) bolts.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Example 1:

referring to fig. 1-4, an assembled precast concrete composite slab includes a concrete slab 1, two sets of staggered connecting ribs 2 are respectively and fixedly installed on two sides of the concrete slab 1, a wedge block 3 is fixedly installed on one end of the connecting rib 2 far from the concrete slab 1, the wedge block 3 is in a triangular cone structure, one end of the wedge block 3 points to the concrete slab 1, matching grooves 5 matched with the wedge block 3 are respectively formed on two sides of the concrete slab 1, a groove 4 is formed on one side of the matching groove 5 close to the wedge block 3, the width of the groove 4 is larger than the diameter of the connecting rib 2, the length of the connecting rib 2 is not smaller than the length of the groove 4, one end of the connecting rib 2 extends into the concrete slab 1 and is provided with a cable-stayed mechanism, when in operation, one concrete slab 1 is placed in a designated area, and the other concrete slab 1 is lifted up and is made to approach to the wedge block 3 until the wedge block 3 vertically faces the matching groove 5, slowly put down concrete slab 1 again, make voussoir 3 slide down along the inner wall of cooperation groove 5, splice bar 2 slides down along the inner wall of recess 4, exert the holding power of slope direction for voussoir 3 through cooperation groove 5, make the in-process of voussoir 3 decline exert horizontal pulling force for splice bar 2, concrete slab 1 by the hoist is pulled to level through splice bar 2 and voussoir 3, until voussoir 3 sinks into cooperation groove 5 completely, make things convenient for two concrete slab 1 to hug closely together, reduce 1 perk of concrete slab and because of the cracked condition takes place of dead weight effect lead to.

Referring to fig. 1 and 5, an elastic block 11 is fixedly mounted at the upper end of the wedge 3, a plurality of through holes 12 are formed in the elastic block 11, when the wedge 3 needs to enter the matching groove 5, the wedge 3 is knocked by a hammer to accelerate the speed of the wedge 3 sinking into the matching groove 5, and knocking force applied to the wedge 3 is relieved by deformation of the elastic block 11, so that the contact area between the wedge 3 and the hammer is increased conveniently, the occurrence of the situation that the part of the wedge 3 is broken due to excessive knocking force is reduced, meanwhile, the deformation area of the elastic block 11 is increased through the through holes 12, and the occurrence of the situation that the elastic block 11 is broken is reduced.

Referring to fig. 1, the inner wall of the fitting groove 5 is provided with a foam layer 10, and the wedge 3 and the fitting groove 5 are separated by the foam layer 10 to reduce a contact area between the wedge 3 and the fitting groove 5 and to alleviate friction between the wedge 3 and the fitting groove 5.

Referring to fig. 1 and 4, the upper end of the groove 4 is inserted with an insert 13, the insert 13 is in a T shape, two ends of the insert 13 are fixedly connected with the upper end of the concrete slab 1 through bolts 14, when the connecting rib 2 is immersed in the groove 4, the insert 13 is inserted into the groove 4, the insert 13 is locked by the bolts 14 in cooperation with the concrete slab 1, the connecting rib 2 is conveniently compressed by the insert 13, and the situation that the connecting rib 2 is separated from the groove 4 is reduced.

Referring to fig. 3, draw mechanism to one side including with 2 outside fixed connection's of splice bar two strengthening ribs 6, two strengthening ribs 6 intercross, through being provided with a plurality of steel wire rings 7 fixed connection between splice bar 2 and the strengthening rib 6, when two adjacent concrete slab 1 of splice bar 2 take-up, connect each splice bar 2 through strengthening rib 6, make the contact between splice bar 2 each other inseparabler, and increase concrete slab 1 through steel wire ring 7, area of contact between splice bar 2 and the strengthening rib 6, conveniently strengthen the contact between each region of concrete slab 1, disperse the stress in concrete slab 1, improve concrete slab 1's rigidity, further reduce the emergence of the cracked condition of concrete slab 1 part.

Referring to fig. 1 and 2, a plurality of inclined grooves 8 staggered with the grooves 4 are formed in one side of each concrete plate 1, a plurality of trapezoidal blocks 9 are fixedly installed on one side of each concrete plate 1 far away from the inclined grooves 8, and when two adjacent concrete plates 1 are tightly attached together, the inclined grooves 8 and the trapezoidal blocks 9 adjacent to each other are inserted together, so that the inclined grooves 8 and the trapezoidal blocks 9 apply supporting forces in the horizontal and vertical directions to the two adjacent concrete plates 1, thereby enhancing the relation between the two adjacent concrete plates 1 and reducing the relative offset of the two adjacent concrete plates 1.

The working principle is as follows: during operation, place a concrete slab 1 in the appointed area, and hang another concrete slab 1, and make both close to, until voussoir 3 is vertical just to cooperation groove 5, concrete slab 1 is put down slowly again, make voussoir 3 slide down along the inner wall of cooperation groove 5, splice bar 2 slides down along the inner wall of recess 4, exert the holding power of incline direction for voussoir 3 through cooperation groove 5, make voussoir 3 descend the in-process and apply horizontal pulling force for splice bar 2, apply horizontal direction's pulling force for the concrete slab 1 of being hung through splice bar 2 and voussoir 3, until voussoir 3 sinks to cooperation groove 5 completely, make things convenient for two concrete slab 1 to hug closely together, reduce the perk of concrete slab 1 and lead to the cracked condition to take place because of the dead weight effect.

When the connecting ribs 2 strain two adjacent concrete plates 1, the connecting ribs 2 are connected through the reinforcing ribs 6, so that the connection among the connecting ribs 2 is tighter, the contact area among the concrete plates 1, the connecting ribs 2 and the reinforcing ribs 6 is increased through the steel wire rings 7, the connection among the areas of the concrete plates 1 is conveniently enhanced, the stress in the concrete plates 1 is dispersed, the rigidity of the concrete plates 1 is improved, and the condition that the concrete plates 1 are partially broken is further reduced.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. An assembled precast concrete composite slab, comprising a concrete slab (1), characterized in that: the utility model discloses a concrete slab, including concrete slab (1), one end fixed mounting that concrete slab (1) was kept away from in tie bar (2) has voussoir (3), the structure of voussoir (3) is three angular cone, the cooperation groove (5) with voussoir (3) looks adaptation are all seted up to the both sides of concrete slab (1), cooperation groove (5) are close to one side of voussoir (3) and are seted up fluted (4), just the width of recess (4) is greater than the diameter of tie bar (2), the one end of tie bar (2) is extended into concrete slab (1) inside and is provided with cable-stay mechanism.

2. The fabricated precast concrete composite slab according to claim 1, wherein: the cable-stayed mechanism comprises two reinforcing ribs (6) fixedly connected with the outer side of the connecting rib (2), the two reinforcing ribs (6) are mutually crossed, and the connecting rib (2) and the reinforcing ribs (6) are fixedly connected through a plurality of steel wire rings (7).

3. The fabricated precast concrete composite slab according to claim 1, wherein: a plurality of chutes (8) staggered with the grooves (4) are formed in one side of the concrete slab (1), and a plurality of trapezoidal blocks (9) are fixedly mounted on one side, far away from the chutes (8), of the concrete slab (1).

4. The fabricated precast concrete composite slab according to claim 1, wherein: and a foam layer (10) is arranged on the inner wall of the matching groove (5).

5. The fabricated precast concrete composite slab according to claim 1, wherein: the upper end fixed mounting of voussoir (3) has elasticity piece (11), a plurality of through-holes (12) have been seted up on elasticity piece (11).

6. The fabricated precast concrete composite slab according to claim 1, wherein: the upper end of the groove (4) is inserted with an insert block (13), the insert block (13) is T-shaped, and two ends of the insert block (13) are fixedly connected with the upper end of the concrete slab (1) through bolts (14).