CN219908589U - Support system for construction of cable tower lower beam - Google Patents

Abstract

The utility model discloses a support system for construction of a cable tower lower beam, which is characterized in that a first bracket is pre-buried at the position of a left tower column and a right tower column as a support, a main distribution beam, a bailey beam and a secondary distribution beam are sequentially arranged on the first bracket from bottom to top, a template is paved on the secondary distribution beam, a second bracket is pre-buried below the first bracket on the left tower column and the right tower column, an arch support frame is arranged on the second bracket, and the arch support frame supports the middle part of the bailey beam. Compared with the traditional floor steel pipe support method, the utility model can effectively reduce the operation time for workers to erect the steel pipe support in the sky, better ensure the construction safety of the workers and reduce the risk of work injury.

Description

Support system for construction of cable tower lower beam

Technical Field

The utility model belongs to the technical field of bridge engineering, and particularly relates to a supporting system for construction of a lower beam of a cable tower.

Background

At present, most of domestic oversized suspension bridge cable towers are of a portal frame type, reinforced concrete frame structures, in order to guarantee rigidity and stability of the suspension bridge cable towers, an upper beam and a lower beam are generally designed to achieve integral stability of a tower column, and according to construction process statistics of the built and built oversized suspension bridge at present, more than 95% of the cable tower lower beam is constructed by adopting a traditional floor type large steel pipe support, bracket and bailey beam method, and the construction method has the problems of long construction period, high cost, large steel pipe verticality control difficulty, large steel consumption and the like.

Disclosure of Invention

The utility model mainly aims to provide a supporting system for construction of a cable tower lower beam, which aims to at least solve one of the technical problems in the background technology.

Therefore, the support system for the construction of the cable tower lower beam is characterized in that first brackets are pre-embedded at the positions of the left and right tower column beams to serve as supports, a main distribution beam, a bailey beam and a secondary distribution beam are sequentially arranged on the first brackets from bottom to top, and templates are paved on the secondary distribution beams;

the left and right tower columns are further embedded with second brackets below the first brackets, the second brackets are provided with arch-shaped supporting frames, and the arch-shaped supporting frames support the middle parts of the bailey beams.

Specifically, a first unloading sand box is arranged between the first bracket and the main distribution beam.

Specifically, a second unloading sand box is arranged between the second bracket and the arched support frame.

Specifically, the arch support frame comprises an arc-shaped arch rib, a transverse brace arranged at the bottom of the arch rib and a plurality of vertical braces connected between the arch rib and the transverse brace.

Specifically, the template adopts the bamboo plywood, square timber is filled up under the template.

Compared with the prior art, at least one embodiment of the utility model has the following beneficial effects:

1) Compared with the floor steel pipe column support scheme, the floor steel pipe material investment is reduced;

2) The time and the labor investment for the workers to erect the floor steel pipe bracket in the sky are reduced;

3) The safety insurance expense of high-altitude operation is reduced;

4) The labor cost for dismantling the traditional floor steel pipe bracket method is reduced;

5) The middle part of bailey beam is supported through the arch support frame for whole braced system can bear bigger load, and stability is better.

Drawings

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

Fig. 1 is a schematic structural diagram of a support system for constructing a lower beam of a cable tower according to an embodiment of the present utility model;

wherein: 1. a tower column; 2. a first bracket; 3. a main distribution beam; 4. bailey beam; 5. a secondary distribution beam; 6. a template; 7. a second bracket; 8. an arched support; 801. arch ribs; 802. a cross brace; 803. vertical support; 9. a first drag flask; 10. a second drag flask; 11. square timber.

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.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1, a supporting system for construction of a cable tower lower beam is provided, a first bracket 2 is pre-buried at a beam position of a left tower column and a right tower column 1 to serve as a support, a main distribution beam 3, a bailey beam 4 and a secondary distribution beam 5 are sequentially arranged on the first bracket 2 from bottom to top, a template 6 is paved on the secondary distribution beam 5, a second bracket 7 is pre-buried below the first bracket 2 on the left tower column and the right tower column 1, an arch-shaped supporting frame 8 is arranged on the second bracket 7, and the arch-shaped supporting frame 8 supports the middle part of the bailey beam 4.

In this embodiment, support the both sides of whole braced system through two first brackets 2, utilize arch support frame 8 to support braced system's middle part for whole braced system can bear bigger load, and stability is better, compares with traditional steel pipe support method that falls to the ground, can effectively reduce the workman and erect the operating time of steel pipe support in the sky, better guarantee workman construction safety reduces the industrial risk.

The bailey beam 4 is assembled by adopting a structure in the prior art, specifically, the bailey beam 4 comprises an upper chord member and a lower chord member, wherein a vertical rod is connected between the chord members, the vertical rod is connected with an inclined rod through a connecting plate, the upper chord member and the lower chord member are made of Q355b materials, the chord members are connected with the end faces of the inclined rod through second connecting plates, and female head plates and male head plates are respectively arranged at two ends of the chord members and are used for connecting bailey pieces.

Referring to fig. 1, in some embodiments, a first unloading sand box 9 is arranged between the first bracket 2 and the main distributing beam 3, and a second unloading sand box 10 is arranged between the second bracket 7 and the arch-shaped supporting frame 8, through the design, when the whole supporting system needs to be dismantled, the bailey beam 4 is slowly fallen down as long as sand in the sand box is discharged, and the supporting system is easy to dismantle.

Referring to fig. 1, it can be understood that in practical design, the arch support 8 includes a circular arc-shaped arch rib 801, a cross brace 802 disposed at the bottom of the arch rib 801, and a plurality of vertical braces 803 connected between the arch rib 801 and the cross brace 802, and two ends of the cross brace 802 are lapped on two second unloading flasks 10 at two sides.

Referring to fig. 1, in other embodiments, the form 6 may be a bamboo plywood, a square timber 11 is placed under the bamboo plywood, the square timber 11 is disposed above the secondary distribution beam 5, the bamboo plywood is laid on the square timber 11, and the side mold is disposed above the bamboo plywood, so that the consumption of steel is reduced, the resource waste is reduced, the wood form 6 can be reused and recycled, and the installation of the wood form 6 is simple and portable.

Any of the above-described embodiments of the present utility model disclosed herein, unless otherwise stated, if they disclose a numerical range, then the disclosed numerical range is the preferred numerical range, as will be appreciated by those of skill in the art: the preferred numerical ranges are merely those of the many possible numerical values where technical effects are more pronounced or representative. Since the numerical values are more and cannot be exhausted, only a part of the numerical values are disclosed to illustrate the technical scheme of the utility model, and the numerical values listed above should not limit the protection scope of the utility model.

Meanwhile, if the above utility model discloses or relates to parts or structural members fixedly connected with each other, the fixed connection may be understood as follows unless otherwise stated: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).

In addition, terms used in any of the above-described aspects of the present disclosure to express positional relationship or shape have meanings including a state or shape similar to, similar to or approaching thereto unless otherwise stated. Any part provided by the utility model can be assembled by a plurality of independent components, or can be manufactured by an integral forming process.

The above examples are only illustrative of the utility model and are not intended to be limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. Nor is it necessary or impossible to exhaust all embodiments herein. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims (5)

1. The utility model provides a support system for cable tower bottom end rail construction which characterized in that: a first bracket (2) is pre-buried at the position of a cross beam of a left-right tower column (1) to serve as a support, a main distribution beam (3), a Bailey beam (4) and a secondary distribution beam (5) are sequentially arranged on the first bracket (2) from bottom to top, and a template (6) is paved on the secondary distribution beam (5);

the left and right tower columns (1) are positioned below the first bracket (2), second brackets (7) are further embedded, arch-shaped supporting frames (8) are arranged on the second brackets (7), and the arch-shaped supporting frames (8) support the middle parts of the bailey beams (4).

2. The support system for construction of a cable tower lower beam according to claim 1, wherein: a first unloading sand box (9) is arranged between the first bracket (2) and the main distribution beam (3).

3. The support system for construction of a cable tower lower beam according to claim 1, wherein: a second unloading sand box (10) is arranged between the second bracket (7) and the arch support frame (8).

4. A support system for construction of a cable tower lower beam according to any one of claims 1-3, characterized in that: the arch-shaped support frame (8) comprises an arc-shaped arch rib (801), a cross brace (802) arranged at the bottom of the arch rib (801) and a plurality of vertical braces (803) connected between the arch rib (801) and the cross brace (802).

5. The support system for construction of a cable tower lower beam according to claim 1 or 2, characterized in that: the template (6) adopts a bamboo plywood, and square timber (11) is padded under the bamboo plywood.