CN210288091U

CN210288091U - Lower pylon formwork system of cable-stayed bridge

Info

Publication number: CN210288091U
Application number: CN201920621373.9U
Authority: CN
Inventors: 王新泉
Original assignee: Hangzhou Jiangrun Technology Co Ltd
Current assignee: Hangzhou Jiangrun Technology Co Ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-04-10
Anticipated expiration: 2029-04-30

Abstract

The utility model relates to a lower tower column formwork system of a cable-stayed bridge, which comprises an integral hoop bearing platform fixing system of a scaffold system, a fixing and adjusting system fixed on scaffold formworks, a scaffold counter-pulling system and a lower tower column formwork system; the integral hoop bearing platform fixing system of the scaffold system comprises embedded steel pipes, vertical rods, hoops, bolts and nuts; the fixing and adjusting system fixed on the scaffold template comprises a horizontal rod and an adjustable jacking; the scaffold counter-pulling system comprises counter-pulling cross rods and a scaffold system; the lower tower column template system is formed by combining an upward-facing template, a downward-facing template, an upright template and an external corner template. The utility model has the advantages that: the utility model provides a pre-buried steel pipe in the cushion cap links together with the scaffold pole setting in the integral staple bolt cushion cap fixed system of scaffold frame system, compares traditional scaffold pole setting and connects through the pole of sweeping the floor, and this connected mode is more firm, has increased the stability of scaffold frame.

Description

Lower pylon formwork system of cable-stayed bridge

Technical Field

The utility model relates to a bridge construction field, in particular to pylon formwork system under cable-stay bridge.

Background

In recent years, the development of cable-stayed bridges is rapid in China, and the cable-stayed bridges particularly appear on large-span rivers, lakes and seas. A cable-stayed bridge is also called an oblique-tension bridge, and is a bridge with a main beam pulled on a bridge tower column by a plurality of pull cables. The structure system is formed by combining a pressure-bearing tower column, a tension-bearing inhaul cable and a pressure-bearing girder body, and can be regarded as a continuous girder with a plurality of caving elastic supports, wherein the continuous girder replaces a pier with a stayed cable. The cable-stayed bridge mainly comprises a bridge tower, a stay cable and a main beam. Traditional cable-stay bridge pylon formwork system's construction is comparatively loaded down with trivial details, mainly embodies assembling complicacy at the template, and template bearing structure sets up slower, and the scaffold frame stability is maintained only to rely on sweeping the ground pole to fix the scaffold frame bottom, and if the wrong change is more troublesome after the formwork, need consume a large amount of manpower, material resources, just can accomplish the buildding of formwork system.

Therefore, it is important to find a formwork system for a lower tower column of a cable-stayed bridge, which has the advantages of rapid and simple construction and high formwork stability.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough among the prior art, provide a pylon formwork system under cable-stay bridge.

The lower tower column formwork system of the cable-stayed bridge comprises an integral hoop bearing platform fixing system of a scaffold system, a fixing and adjusting system fixed on scaffold formworks, a scaffold counter-pulling system and a lower tower column formwork system; the lower part of the lower tower column is provided with a bearing platform, and the lower part of the bearing platform is provided with a tower column foundation;

the integral hoop bearing platform fixing system of the scaffold system comprises pre-embedded steel pipes, vertical rods, hoops, bolts and nuts, wherein the pre-embedded steel pipes and the vertical rods which are pre-embedded in the bearing platform are connected together through the hoops, the bolts and the nuts;

the fixing and adjusting system for the template fixed on the scaffold comprises a horizontal rod and an adjustable jacking, wherein the end part of the horizontal rod is provided with the adjustable jacking and supporting fixed template;

the scaffold counter-pulling system comprises counter-pulling cross rods and scaffold systems, the two lower tower columns on the bearing platform are provided with the scaffold systems, and the two scaffold systems are connected together through the counter-pulling cross rods;

the lower tower column template system is formed by combining an upward-facing template, a downward-facing template, a vertical template and an external corner template, and is supported by a template supporting rod I, a template supporting rod II and a template supporting rod III.

Preferably, the method comprises the following steps: the scaffold system is composed of a horizontal rod, a vertical rod and a cross brace.

Preferably, the method comprises the following steps: the embedded steel pipe is a round steel pipe with the same size as the vertical rod.

The utility model has the advantages that:

(1) the utility model provides a pre-buried steel pipe in the cushion cap links together with the scaffold pole setting in the integral staple bolt cushion cap fixed system of scaffold frame system, compares traditional scaffold pole setting and connects through the pole of sweeping the floor, and this connected mode is more firm, has increased the stability of scaffold frame.

(2) The utility model provides a be fixed in scaffold template fixed adjustment system through connect the adjustable top of rod end hold in the palm the fixed die plate that both can be firm, the position of adjustment template that can also be convenient has good technical benefit.

(3) The utility model discloses a scaffold frame is to drawing the system and linking together through the scaffold frame system of drawing the horizontal pole with two lower pylons on the cushion cap, has further increased the stability of scaffold frame system.

Drawings

FIG. 1 is a schematic drawing of a counter-pulling system of a scaffold;

FIG. 2 is a schematic view of the integral hoop bearing platform fixing system of the scaffold system;

FIG. 3 is a schematic view of a fixing adjustment system for fixing to a scaffold template;

FIG. 4 is a schematic cross-sectional view of a lower tower template system.

Description of reference numerals: 5, descending a tower column; 8, bearing platform; 9-tower column foundation; 10-bolt and nut; 13-anchor ear; 21-horizontal bar; 22-vertical rod; 23, carrying out cross bracing; 24-a counter-pulling crossbar; 25, pre-burying a steel pipe; 26-adjustable jacking; 27-upward template; 28-downward and downward depression surface template; 29-formwork support bar one; 30-a second template support rod; 31-formwork support bar III; 32-erecting formwork; 33-external corner template.

Detailed Description

The present invention will be further described with reference to the following examples. The following description of the embodiments is merely provided to aid in understanding the invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

The formwork system for the lower tower column of the cable-stayed bridge comprises an integral hoop bearing platform fixing system of a scaffold system, a fixing and adjusting system fixed on a scaffold template, a scaffold counter-pulling system and a lower tower column template system; the lower part of the lower tower column 5 is provided with a bearing platform 8, and the lower part of the bearing platform 8 is provided with a tower column foundation 9.

The integral anchor ear bearing platform fixing system of the scaffold system comprises an embedded steel pipe 25, an upright rod 22, an anchor ear 13, a bolt and a nut 10, wherein the embedded steel pipe 25 and the upright rod 22 embedded in the bearing platform 8 are connected together through the anchor ear 13 and the bolt and the nut 10, and the stability of the bottom of the scaffold is improved.

The fixing and adjusting system for the scaffold template comprises a horizontal rod 21 and an adjustable jacking 26, wherein the adjustable jacking 26 is arranged at the end part of the horizontal rod 21 to support the fixed template. When the template assembly is wrong and needs to be changed, the template assembly can be completed by stretching the adjustable jacking 26.

Scaffold frame to drawing system including drawing horizontal pole 24 and scaffold frame system, two lower pylons 5 on cushion cap 8 are equipped with scaffold frame system, link together through drawing horizontal pole 24 between two scaffold frame systems, have increased scaffold frame system's stability.

The lower tower column template system is formed by combining an upward-facing template 27, a downward-facing template 28, an upright template 32 and an external corner template 33, the lower tower column template system is supported by a first template support rod 29, a second template support rod 30 and a third template support rod 31, and the formed template system has higher stability.

The scaffolding system consists of horizontal bars 21, vertical bars 22 and cross braces 23.

The embedded steel pipe 25 is a round steel pipe with the same size as the vertical rod 22.

The construction method of the tower column formwork system under the cable-stayed bridge comprises the following steps:

(1) and constructing an integral hoop bearing platform fixing system of the scaffold system. The embedded steel pipes 25 in the bearing platform 8 are connected with the vertical rods 22 through the anchor ears 13, the bolts and the nuts 10, as shown in fig. 2.

(2) And erecting a lower tower column scaffold. And (2) continuously using the horizontal rods 21 and the vertical rods 22 to set up the scaffold on the basis of the existing vertical rods in the step (1), and arranging the cross braces 23 to form the scaffold shown in the figure 1.

(3) And erecting a scaffold counter-pulling system. The scaffolding of the two lower towers 5 erected on the bearing platform 8 is connected together by the counter-pull cross-bar 24, so as to further improve the stability of the scaffolding, as shown in fig. 1.

(4) And constructing the template. As shown in fig. 4, the upper raising surface formwork 27, the lower raising surface formwork 28, the upright formwork 32, and the external corner formwork 33 are assembled as designed, and the formwork is fixed by the first formwork support bar 29, the second formwork support bar 30, and the third formwork support bar 31. The formed template system has higher stability.

(5) And fixing the scaffold template on the scaffold template to adjust the system for construction. As shown in fig. 3, an adjustable support 26 is provided at the end of the horizontal bar 21 for supporting the fixed form. If the template assembly is wrong and needs to be replaced, the replacement of the template can be completed by controlling the telescopic adjustable jacking 26.

Claims

1. Pylon formwork system under cable-stay bridge, its characterized in that: the scaffold comprises an integral hoop bearing platform fixing system of a scaffold system, a fixing and adjusting system fixed on scaffold templates, a scaffold counter-pulling system and a lower tower template system; the lower part of the lower tower column (5) is provided with a bearing platform (8), and the lower part of the bearing platform (8) is provided with a tower column foundation (9);

the integral hoop bearing platform fixing system of the scaffold system comprises pre-embedded steel pipes (25), upright rods (22), hoops (13) and bolts and nuts (10), wherein the pre-embedded steel pipes (25) and the upright rods (22) which are pre-embedded in the bearing platform (8) are connected together through the hoops (13) and the bolts and the nuts (10);

the fixing and adjusting system fixed on the scaffold template comprises a horizontal rod (21) and an adjustable jacking (26), wherein the adjustable jacking (26) is arranged at the end part of the horizontal rod (21) to support the fixed template;

the scaffold counter-pulling system comprises counter-pulling cross rods (24) and a scaffold system, wherein two lower tower columns (5) on a bearing platform (8) are provided with scaffold systems, and the two scaffold systems are connected together through the counter-pulling cross rods (24);

the lower tower column template system is formed by combining an upward-facing template (27), a downward-facing template (28), an upright template (32) and an external corner template (33), and is supported by a template support rod I (29), a template support rod II (30) and a template support rod III (31).

2. The cable-stayed bridge lower tower column formwork system according to claim 1, characterized in that: the scaffold system consists of a horizontal rod (21), a vertical rod (22) and a cross brace (23).

3. The cable-stayed bridge lower tower column formwork system according to claim 1, characterized in that: the embedded steel pipe (25) is a round steel pipe with the same size as the upright rod (22).