Pi-shaped beam slab prefabricating device

Abstract

The utility model discloses a prefabricating device of a pi-shaped beam plate, which comprises an outer side mold and an inner tube mold, a concrete pouring cavity is arranged between the inner tube mold and the outer side mold, and the inner tube mold is connected with the outer side mold through a support. The inner tube mold is provided with a bottom mold and at least two box-type bodies, each box-type body is composed of a top inner mold and four side inner molds, corner molds are arranged between the adjacent side inner molds and between the side inner molds and the top inner mold, the side inner molds are hinged to the bottom mold, the bottom mold is firmly fixed to the ground through foundation bolts, and the adjacent top inner molds are connected through connecting plates. The top inner mold, the side inner mold and the box-type body are arranged to form a closed box-type structure, the vertical linkage rod and the horizontal linkage rod are arranged to be matched with the hydraulic jack to form a hydraulic connecting rod type detachable split inner mold, and the situation that a mold plate is deformed due to high temperature and demolding adsorption force is generated is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of prefabrication devices of slot type crossbeam, in particular to a kind of prefabrication devices of π type beam plate. BACKGROUND

[0002] π type beam plate is a kind of bottomless box structure, which is composed of rib beam, panel and partition. Since the top plate and the periphery of the π type plate need to reserve external reinforcement, lifting ring and fender embedded parts, etc., vertical and inverted prefabrication cannot be performed, and only horizontal method can be used. The main manufacturing difficulty of this method is that first, the inner mold is difficult to disassemble and assemble, and second, the π type beam plate is closed around, and the inner mold can be used only after reaching the strength for lifting. SUMMARY

[0003] The utility model solves the technical problems of the prior art and provides a prefabrication device for π type beam plate, which is reasonable in design and convenient for demolding and formwork erection.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A prefabrication device for π type beam plate, characterized in that the device comprises an outer side mold and an inner tire mold, a concrete pouring cavity is arranged between the inner tire mold and the outer side mold, and the inner tire mold is connected to the outer side mold through a support; the inner tire mold is provided with a bottom mold and at least two box bodies, each box body is composed of a top inner mold and four side inner molds, corner molds are arranged between adjacent side inner molds and between the side inner molds and the top inner mold, the side inner molds are hingedly connected to the bottom mold, the bottom mold is fixed to the ground through foundation bolts, and adjacent top inner molds are connected through a connecting plate;

[0006] A plurality of support rod groups and vertical linkage rods are arranged in the box body for supporting the top inner mold, and a hydraulic jack is arranged in the box body for facilitating the erection and demolding of the top inner mold, and the hydraulic jack is connected to the vertical linkage rods through a horizontal linkage rod;

[0007] An adjusting screw is arranged in the box body for facilitating the demolding and erection of the side inner mold, the bottom end of the adjusting screw is hingedly connected to the bottom mold, and the top end of the adjusting screw is hingedly connected to the inner wall of the side inner mold.

[0008] The technical problems solved by the utility model can also be solved by the following technical scheme: the support rod group comprises an upper adjusting seat, a lower adjusting seat, and a vertical support rod arranged between the upper adjusting seat and the lower adjusting seat, a sleeve threadedly connected to the vertical support rod is arranged on the upper adjusting seat and the lower adjusting seat, the upper adjusting seat is fixed to the bottom of the top inner mold, and the lower adjusting seat is fixed to the bottom mold.

[0009] The technical problems to be solved by the utility model also can be realized through following technical schemes, the vertical linkage lever is equipped with lower linkage lever and upper linkage lever, the upper linkage lever upper end is hinged in the top inner mould bottom, the upper linkage lever lower end is fixed with the lower linkage lever upper end through the connecting seat, the lower linkage lever lower end is hinged on the bottom mould,

[0010] The horizontal linkage lever is equipped with the adjusting long hole of horizontal arrangement, the connecting seat is equipped with the sliding block of sliding cooperation with the adjusting long hole, the hydraulic jack is horizontally installed on the horizontal linkage lever, and the piston rod of hydraulic jack is hinged with sliding block.

[0011] The technical problems to be solved by the utility model also can be realized through following technical schemes, the angle mould and the adjacent side inner mould are reserved with the deformation joint for preventing the deformation of formwork due to heating.

[0012] The technical problems to be solved by the utility model also can be realized through following technical schemes, the angle mould and the adjacent side inner mould are reserved with the deformation joint for preventing the deformation of formwork due to heating.

[0013] Compared with prior art, the utility model discloses a top inner mould, side inner mould and box type body are equipped, form closed box type structure, through being equipped with vertical linkage lever and horizontal linkage lever, cooperate hydraulic jack, constitute hydraulic linkage type detachable split inner mould, avoid formwork high temperature deformation and the generation of demoulding adsorption force, through being equipped with support rod group and vertical linkage lever, improve the support strength between formwork.The utility model discloses the prefabrication device structure of π type beam plate rational, and the moulding and demoulding are convenient, and the use efficiency is high. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the structure diagram of inner tube mould in the prefabrication device of π type beam plate of the utility model;

[0015] Figure 2 It is Figure 1 The side view;

[0016] Figure 3 It is Figure 1 The top view;

[0017] Figure 4 It is the dismounting drawing of inner tube mould;

[0018] Figure 5 It is the schematic drawing of top inner mould demoulding.

[0019] In the drawing: 1-bottom mould, 2-side inner mould, 3-angle mould, 4-top inner mould, 5-connection plate, 6-vertical adjusting support rod, 7-vertical linkage lever, 8-longitudinal beam, 9-deformation joint, 10-hydraulic jack, 11-connecting seat, 12-horizontal linkage lever, 13-adjusting long hole. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0021] In the description of the utility model, it needs to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0022] Referring to Figures 1-5 A prefabricating device of a π type beam slab, the device comprises an outer side mold and an inner tire mold, a concrete pouring cavity is arranged between the inner tire mold and the outer side mold, and the inner tire mold is connected with the outer side mold through a support; the inner tire mold is provided with a bottom mold 1 and at least two box bodies, each box body is composed of a top inner mold 4 and four side inner molds 2, an angle mold 3 is arranged between adjacent side inner molds 2 and between the side inner mold 2 and the top inner mold 4, the side inner mold 2 is hinged to the bottom mold 1, the bottom mold 1 is fixed on the ground through foundation bolts, adjacent top inner molds 4 are connected through a connecting plate 5, a hydraulic jack 10 for supporting the mold and demolding is further arranged in the box body, and the hydraulic jack is hinged to the top inner mold 4 through a horizontal linkage rod 12;

[0023] A plurality of support rod groups for supporting the top inner mold and adjusting screw rods 8 for facilitating the demolding and supporting of the side inner mold are further arranged in the box body, the bottom end of the adjusting screw rod 8 is hinged to the bottom mold 1, and the top end of the adjusting screw rod 8 is hinged to the inner wall of the side inner mold 2;

[0024] The vertical linkage rod 7 is provided with a lower linkage rod and an upper linkage rod, the upper end of the upper linkage rod is hinged to the bottom of the top inner mold, the lower end of the upper linkage rod is fixedly connected with the upper end of the lower linkage rod through a connecting seat 11, and the lower end of the lower linkage rod is hinged to the bottom mold;

[0025] The horizontal linkage rod 12 is provided with a horizontally arranged adjusting long hole 13, the connecting seat 12 is provided with a sliding block in sliding cooperation with the adjusting long hole 13, the hydraulic jack 10 is horizontally arranged on the horizontal linkage rod 12, and the piston rod of the hydraulic jack is hinged to the sliding block;

[0026] When demolding, the hydraulic jack 10 is started, the piston rod of the hydraulic jack 10 horizontally pushes the sliding block, thereby pushing the connecting seat 11 of the vertical linkage rod, and then the vertical linkage rod is horizontally folded, so that the demolding of the top inner mold is realized.

[0027] A deformation joint 9 of 5mm is reserved between the corner form 3 and the adjacent side inner form 2, and the deformation joint 9 is arranged to prevent the deformation of the formwork from affecting the demoulding of the inner form due to the heating of the formwork, and the expansion joint of the formwork is pasted with a tape to stop the mortar, and the joint of the side inner form is processed into a bevel shape to facilitate the demoulding and reduce the resistance during the demoulding of the inner form.

[0028] The support rod group comprises an upper adjusting seat, a lower adjusting seat and a vertical support rod arranged between the upper adjusting seat and the lower adjusting seat, the upper adjusting seat and the lower adjusting seat are both provided with a sleeve threadedly connected with the vertical support rod, the upper adjusting seat is fixed on the bottom of the top inner form, and the lower adjusting seat is fixed on the bottom die;

[0029] The prefabricating device of the π-shaped beam slab is combined by an inner tire form and an outer side form, full steel formworks are adopted, and the design of the inner tire form is mainly introduced,

[0030] The inner tire form is composed of a bottom die, an inner form and a corner form, and the two are connected in a hinged mode, the bottom die is fixed on the ground through foundation bolts, and the design of the inner tire form mainly ensures that the component can be smoothly demoulded during vertical lifting, and only the demoulding adsorption force within a range of 60cm at the bottom of the side inner form needs to be considered.

[0031] The top die is divided into two parts in the longitudinal direction, is processed into a '' shape with the inner side form of the longitudinal beam, and is formed into two parts, the base is connected through vertical linkage rods and is pushed and pulled through hydraulic jacks to demould and support the die. After the vertical standing of the top die is completed, in order to ensure the stability of the formwork, the two top dies are firmly connected through a connecting plate, vertical adjusting support rods are additionally arranged below the top die, and the bearing capacity of the inner form is ensured.

[0032] The outer side form structure of the prefabricating device of the π-shaped beam slab is simple, the installation and dismounting processes are simple, the installation and dismounting processes of the inner tire form are mainly introduced, the installation process is,

[0033] First step: the vertical linkage rod is in a vertical state through the contraction of the hydraulic jack 10, the top surface of the top inner form 4 reaches the design height, and the top surfaces on both sides are kept flush;

[0034] Second step: the adjustable support rod 6 is installed to ensure the bearing capacity of the formwork;

[0035] Third step: the connecting plate 5 between the top inner forms 4 is installed to ensure the overall stability of the formwork;

[0036] Fourth step: the side inner form is adjusted through the adjusting screw rod 8, and the top parts are flush;

[0037] Fifth step: the corner form and the four side inner forms are fixed through bolt connection.

[0038] The dismounting process of the inner tire form in the prefabricating device is:

[0039] First step: remove the connecting plate 5 between the top inner mold.

[0040] Second step: when the top plate concrete reaches 80% of the design strength, remove the adjustable support rod.

[0041] Third step: horizontal jacking by hydraulic jack 10, driving horizontal linkage rod, horizontal linkage rod and side inner mold disengaged, let the side inner mold under the condition of self-weight and concrete separation;

[0042] Fourth step: push the horizontal linkage rod by hydraulic jack 10, let the top inner mold and concrete separate;

[0043] Fifth step: loosen the side inner mold adjusting screw, let the side inner mold and concrete separate, about 10mm gap between the side inner mold joint.

[0044] The above, only for the preferred specific embodiments of the present application, but the scope of the present application is not limited to this, any skilled in the art of the technical personnel in the technical range disclosed by the present application, according to the technical scheme of the present application and the utility model concept to replace or change, should be covered within the scope of the present application.

Claims

1. A precasting device for a pi beam slab, characterized by, The device comprises an outer side mold and an inner tire mold, and a concrete pouring cavity is arranged between the inner tire mold and the outer side mold, and the inner tire mold is connected with the outer side mold through a support; the inner tire mold is provided with a bottom mold and at least two box bodies, each box body is composed of a top inner mold and four side inner molds, an angle mold is arranged between adjacent side inner molds and between the side inner mold and the top inner mold, the side inner mold is hingedly connected with the bottom mold, the bottom mold is fixed on the ground through foundation bolts, and adjacent top inner molds are connected through a connecting plate; A plurality of support rod groups and vertical linkage rods for supporting the top inner mold are arranged in the box body, and a hydraulic jack for facilitating the clamping and demolding of the top inner mold is further arranged in the box body, and the hydraulic jack is connected with the vertical linkage rod through a horizontal linkage rod; An adjusting screw for facilitating the clamping and demolding of the side inner mold is further arranged in the box body, and the bottom end of the adjusting screw is hingedly connected with the bottom mold, and the top end of the adjusting screw is hingedly connected with the inner wall of the side inner mold.

2. The apparatus for precasting a pi-type beam slab according to claim 1, wherein, The support rod group comprises an upper adjusting seat, a lower adjusting seat and a vertical support rod arranged between the upper adjusting seat and the lower adjusting seat, and the upper adjusting seat and the lower adjusting seat are both provided with a sleeve threadedly connected with the vertical support rod, and the upper adjusting seat is fixed on the bottom of the top inner mold, and the lower adjusting seat is fixed on the bottom mold.

3. The apparatus for precasting a pi-type beam slab as claimed in claim 1, wherein The vertical linkage rod is provided with a lower linkage rod and an upper linkage rod, the upper end of the upper linkage rod is hingedly connected with the bottom of the top inner mold, the lower end of the upper linkage rod is fixedly connected with the upper end of the lower linkage rod through a connecting seat, and the lower end of the lower linkage rod is hingedly connected with the bottom mold; The horizontal linkage rod is provided with a horizontally arranged adjusting long hole, the connecting seat is provided with a sliding block slidingly matched with the adjusting long hole, and the hydraulic jack is horizontally installed on the horizontal linkage rod, and the piston rod of the hydraulic jack is hingedly connected with the sliding block.

4. The apparatus for precasting a pi-type beam slab according to claim 1, wherein, A deformation joint for preventing deformation of the mold plate due to heat is reserved between the angle mold and the adjacent side inner mold.

5. The apparatus for precasting a pi-type beam slab as claimed in claim 1, wherein A bevel-shaped groove is arranged at the joint of the side inner mold for reducing the demolding resistance.

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