CN203110097U

CN203110097U - Mould of prefabricated concrete box girder

Info

Publication number: CN203110097U
Application number: CN 201220665440
Authority: CN
Inventors: 郭立强; 秦宏; 温超; 边博艺; 张怡鹏
Original assignee: China Railway Sixth Group Co Ltd; China Railway Fengqiao Bridge Co Ltd
Current assignee: China Railway Sixth Group Co Ltd; China Railway Fengqiao Bridge Co Ltd
Priority date: 2012-12-06
Filing date: 2012-12-06
Publication date: 2013-08-07
Anticipated expiration: 2022-12-06

Abstract

The utility model discloses a box girder mould with the advantages of convenient construction, resources saving, and good generality and stability. A mould of a prefabricated concrete box girder comprises supports, a bottom die and side dies, wherein the bottom die is a horizontal template and is arranged on a foundation, the side dies and the supports are distributed at the two sides of the bottom die and are symmetric to each other left and right; the two ends of the bottom die are respectively butted with the side dies, and the side dies are supported by the supports. The mould of the prefabricated concrete box girder is characterized by further comprising a lifting device, movable angular moulds and draw bars, wherein the lifting device is located between the bottom die and the foundation; after the bottom die is lifted up, the movable angular moulds are fixed between the bottom die and the side dies and are symmetric to each other left and right; and one ends of the draw bars pass through connecting parts, between the side dies and the bottom die, on the side dies, and the other ends of the draw bars pass through the supports and are firmly connected with the side dies and the support.

Description

A kind of mould of precast concrete case beam

Technical field

The utility model relates to a kind of construction mould, the box-beam tool that uses when relating to a kind of prefabricated post stressed concrete simple supported box beam specifically.

Background technology

Because prefabricated case beam construction belongs to the construction of mass concrete member, so the intensity of its template, rigidity, stability requirement height, volume and weight is all very big, has bad luck with assembly unit and need utilize straddle truck and cooperate more operating personnel to finish.

In the high-speed railway construction process, circuit during across special locations such as highways in order to satisfy the head room requirement that circuit bottom Highway house needs, the box girder body height of its requirement is than the low 600mm of height of standard box girder body, this just requires to reconfigure the box-beam tool, pedestal is set respectively purchases template, increase the consumption of the inputs and resources of people, material, machine greatly.

The patent No. is that 201120099648.0 Chinese patent discloses, it is motionless that a kind of bed die keeps, by changing the mould that case beam side and bottom fillet mould realize that beam height degree and beam bottom width degree change, concrete is that span 31.5m case beam bottom board and the side form connecting portion of falling the Eight characters are cut, the movable case beam side, readjust the bed die antiarch, assembly unit 19.5m case beam side connects chamfer site frock and the end, side form firm welding again; This mould need be equipped with two cover bottom fillet moulds on the one hand, and needs to remove the better assembly unit of the part bottom fillet mould of standard container beam, has so not only increased construction volume and difficulty of construction, has increased manpower and materials, and, caused the very big consumption of materials; This mould moves side form and support thereof on the other hand, because transfer point is too many and continuity is poor, needs constantly to measure in moving process to adjust, and also needs the on-the-spot supervision of stay-at-home professional and technical personnel in the work progress, does not note slightly occurring easily running the mould phenomenon, and is very unstable.

Summary of the invention

The purpose of this utility model is to solve the problems of the technologies described above, and a kind of easy construction is provided, and economizes on resources the box-beam tool of versatility, good stability.

The utility model is achieved in that

A kind of mould of precast concrete case beam, comprise support, bed die, side form, described bed die is horizontal shuttering, be arranged on the ground, described side form and support are distributed in both sides and the left-right symmetry of bed die, dock with side form respectively at the two ends of described bed die, the described side form of described stent support is characterized in that, also comprises lowering or hoisting gear, movable angle mould and pull bar, described lowering or hoisting gear is between described bed die and ground, after described bed die raise, described movable angle mould was fixed between described bed die and the side form and left-right symmetry, and an end of described pull bar passes the connecting portion of the above side form of side form and described bed die, the other end passes support, is fastenedly connected side form and support.

Further, described lowering or hoisting gear is jack.

The utility model is compared with existing mould has clear superiority, is embodied in:

1) the utility model only needs one group of activity angle mould, has not only omitted operational procedure, has accelerated construction speed, and has saved consumptive material greatly.

2) the utility model jacking equipment is arranged on the bed die bottom, adopts side form motionless, and the mode of bed die lifting realizes the variation of made beam height degree, because the straight and continuity of bed die, so transfer point is few, can realize steadily, conversion efficiently.

3) the utility model both can be used as conventional common case beam and builds and also can be used as special low case beam and build, and versatility is good, and the conversion between two kinds of box-beam tools is efficient and convenient, and construction volume is few, need not to put again to purchase mould, the consumption that uses manpower and material resources sparingly greatly.

Description of drawings

Structural representation when accompanying drawing 1 is constructed common case beam for the utility model;

Structural representation when accompanying drawing 2 hangs down the case beam for the utility model construction;

Wherein: support-1, bed die-2, side form-3, lowering or hoisting gear-4, movable angle mould-5, pull bar-6, ground-7.

The specific embodiment

Below in conjunction with accompanying drawing 1,2, further set forth the utility model.

The utility model discloses a kind of mould of precast concrete case beam, comprise support 1, bed die 2, side form 3, described bed die 2 is horizontal shuttering, be arranged on the ground 7, described side form 3 and support 1 are distributed in both sides and the left-right symmetry of bed die 2, dock with side form 3 respectively at the two ends of described bed die 2, described support 1 supports described side form 3, it is characterized in that, also comprise lowering or hoisting gear 4, movable angle mould 5 and pull bar 6, described lowering or hoisting gear 4 is between described bed die 2 and ground 7, after described bed die 2 raise, described movable angle mould 5 was fixed between described bed die 2 and the side form 3 and left-right symmetry, and an end of described pull bar 6 passes the connecting portion of side form 3 the above side form 3 and described bed die 2, the other end passes support 1, is fastenedly connected side form 3 and support 1.

Further, described lowering or hoisting gear 4 is jack.

Embodiment one referring to Fig. 1;

The case of the mould of precast concrete case beam construction in the present embodiment beam is standard regular senior middle school case beam, at this moment, lowering or hoisting gear 4 is packed up, and support 1 supports side form 3, the two ends of bed die 2 are connected with side form 3 welding or bolt respectively, thereby form the mould of control cabinet depth of beam and size.

Can lowering or hoisting gear 4 be set in support 1 bottom in the present embodiment, be used for regulating angle and the shape of side form 3.

Embodiment two referring to accompanying drawing 2;

The case of the mould of precast concrete case beam construction in the present embodiment beam is low clearance case beam, at this moment, lowering or hoisting gear 4 jack-up, bed die 2 is elevated to predetermined altitude, take out pull bar 6, one end of pull bar 6 is passed the connecting portion of side form 3 the above side form 3 and described bed die 2, and the other end passes support 1, is fastenedly connected side form 3 and support 1; Movable angle mould 5 symmetrical fixedly welding or bolt are connected between bed die 2 and the side form 3, the connection of the top of bed die 2, movable angle mould 5 and side form 3 is as a whole so again, thereby forms the mould that satisfies preparation low clearance case beam.

Embodiment three

After finishing the construction of low clearance case beam, dismounting activity angle mould 5 and pull bar 6, lowering or hoisting gear 4 is packed up, and bed die resets, and the two ends of bed die 2 are docked with side form 3 again and are got final product the prefabricated of construction reference regular senior middle school case beam.

Claims

1. the mould of a precast concrete case beam, comprise support, bed die, side form, described bed die is horizontal shuttering, be arranged on the ground, described side form and support are distributed in both sides and the left-right symmetry of bed die, dock with side form respectively at the two ends of described bed die, the described side form of described stent support, it is characterized in that, also comprise lowering or hoisting gear, movable angle mould and pull bar, described lowering or hoisting gear is between described bed die and ground, after described bed die raise, described movable angle mould was fixed between described bed die and the side form and left-right symmetry, and an end of described pull bar passes the connecting portion of the above side form of side form and described bed die, the other end passes support, is fastenedly connected side form and support.

2. the mould of a kind of precast concrete case beam according to claim 1 is characterized in that, described lowering or hoisting gear is jack.