CN217025113U

CN217025113U - Bracket hoisting system

Info

Publication number: CN217025113U
Application number: CN202220066028.5U
Authority: CN
Inventors: 蒋赣猷; 贾立强; 李玉彬; 何锦章; 覃浩; 周尚实; 汪渊; 李红旗; 余阳君; 杨茗钦; 郑健; 王乃双; 蒙立和; 陈松松; 黄凯科; 李莘哲; 马澜锦; 刘琦
Original assignee: Guangxi Road and Bridge Engineering Group Co Ltd
Current assignee: Guangxi Road and Bridge Engineering Group Co Ltd
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-07-22
Anticipated expiration: 2032-01-11

Abstract

The utility model relates to the field of bridge construction, in particular to a bracket hoisting system, which comprises a bracket, wherein at least two cushion blocks are fixedly connected below the bracket, and the cushion blocks are used for supporting the bracket; the support is provided with a pulley block and a winch, the pulley block comprises a fixed pulley and a movable pulley, the fixed pulley is fixed at the end of the support, the movable pulley is located below the fixed pulley, a steel wire rope of the winch is sequentially connected with the fixed pulley and the movable pulley, and the movable pulley is used for hoisting a bracket. The fixed pulley is fixed at one end of the support, the movable pulley is connected with the fixed pulley and used for hoisting the bracket, the movable pulley is lifted by the winch arranged on the support, the process of hoisting the bracket can be realized, and then the bracket is installed. Adopt a bracket hoist and mount system that above-mentioned technical scheme provided to hoist the bracket, saved the use to large equipment, avoided the installation of bracket to receive the influence of topography and environment.

Description

Bracket hoisting system

Technical Field

The utility model relates to a hoisting system, in particular to a bracket hoisting system.

Background

In bridge construction, the bracket is mostly installed by adopting a crane, and due to the large weight of the bracket, the requirement on the type of the crane is high, and a large crane is often required to be used, so that the construction cost is high. And the crane can only be used in the terrain and environment meeting the requirements, and for some special terrains and environments, the crane cannot be used for hoisting the bracket due to the fact that the using conditions of the large crane are not met, and construction is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the problem that the installation bracket that exists to prior art need use large-scale loop wheel machine, leads to construction cost high, and the construction can receive the place restriction provides a bracket hoist and mount system.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the bracket hoisting system comprises a bracket, wherein at least two cushion blocks are fixedly connected below the bracket, and the cushion blocks are used for supporting the bracket; the support is provided with a pulley block and a winch, the pulley block comprises a fixed pulley and a movable pulley, the fixed pulley is fixed at the end of the support, the movable pulley is located below the fixed pulley, a steel wire rope of the winch is sequentially connected with the fixed pulley and the movable pulley, and the movable pulley is used for hoisting a bracket.

The fixed pulley is fixed at one end of the support, the movable pulley is connected with the fixed pulley and used for hoisting the bracket, the movable pulley is lifted by the winch arranged on the support, the process of hoisting the bracket can be realized, and then the bracket is installed. By adopting the technical scheme, the bracket hoisting system provided by the technical scheme can be used for hoisting the bracket, so that the use of large-scale equipment is omitted, the influence of the terrain and the environment on the installation of the bracket is avoided, the hoisting cost is saved, and the bracket hoisting is more flexible and convenient.

The cushion blocks are arranged below the supports and support the supports, so that the supports and structures on the bridge piers can be prevented from interfering. Cushion and support fixed connection, when using foretell bracket hoist and mount system, only need with the reinforcing bar fixed connection on cushion and the pier, alright realize being fixed in the pier top with the support, avoid at the in-process of hoist and mount bracket, displacement or toppling appear in the support.

In a preferred embodiment of the present invention, the cushion block is fixedly connected to the bracket by a steel cable.

As a preferable scheme of the present invention, the bracket is composed of at least two i-beams, upper and lower flanges of adjacent i-beams are in contact with each other, and the spacer is disposed on a lower surface of a lower flange of the i-beam.

The I-steel has a simple structure, and the support obtained by splicing the I-steel is light in weight and is convenient to arrange on a pier. The upper flange and the lower flange of the adjacent I-shaped steel are mutually contacted, the cushion block is arranged on the lower surface of the lower flange of the I-shaped steel, when the I-shaped steel is used, the web plates of the I-shaped steel are in a vertical state, and the web plates of the adjacent I-shaped steel are mutually parallel. At the moment, the I-shaped steel can bear bending moment acting in the plane of the I-shaped steel web plate when the bracket is hoisted. The strength of the bracket is ensured while the weight of the bracket is reduced.

As a preferable scheme of the utility model, a stiffening plate is arranged between the upper flange and the lower flange at two sides of the bracket.

The stiffening plate is arranged between the upper flange and the lower flange of the bracket (namely between the upper flange and the lower flange of the I-steel), so that the strength of the bracket can be further improved, and the deformation of the bracket when the bracket is hoisted is reduced.

As a preferable aspect of the present invention, the stiffener plate is disposed above the pad plate and below the fixed sheave.

The arrangement positions of the fixed pulleys and the arrangement positions of the cushion blocks are main stress points on the support, and the stiffening plates are arranged at the two positions, so that the deformation of the support when the support is used for hoisting the bracket is reduced while the use number of the stiffening plates is reduced, and the strength of the support is improved.

As a preferable scheme of the utility model, the thickness of the stiffening plate is 1-2 cm.

In a preferred embodiment of the present invention, the stiffener is a steel structure.

In a preferred embodiment of the present invention, the spacer is a steel structure.

As a preferable scheme of the utility model, pulley blocks are arranged at two ends of the support, and each pulley block is connected with the winch.

The pulley blocks are arranged at the two ends of the support, so that the brackets can be hoisted at the two ends of the support simultaneously, the stress of the support is more uniform, and the condition of stress concentration of the support is avoided.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. the bracket hoisting system for hoisting the bracket is arranged on a pier, and the bracket can be hoisted by matching the winch and the pulley block, so that large-scale equipment is omitted, the bracket is prevented from being influenced by terrain and environment in installation, the hoisting cost is saved, and the bracket is more flexible and convenient to hoist.

2. The cushion blocks are arranged below the supports and support the supports through the cushion blocks, so that the supports can be prevented from interfering with structures on the bridge piers. Only need with the reinforcing bar fixed connection on cushion and the pier, alright realize being fixed in the pier top with the support, avoid at the in-process of hoist and mount bracket, displacement or toppling appear in the support.

Drawings

FIG. 1 is a schematic structural view of a pallet lifting system according to the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is an enlarged view at B in FIG. 1;

FIG. 4 is a cross-sectional view of a stent of the present invention;

figure 5 is a schematic view of a pallet hoisting system according to the utility model for hoisting a pallet.

An icon: 1-a scaffold; 2, a cushion block; 3-fixed pulley; 4-a movable pulley; 5-a bracket; 6-a winch; 61-a steel cord; 7-bridge pier; 8-a steel cord; 9-a stiffening plate.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and do not limit the utility model.

Example 1

A bracket hoisting system is arranged at the top of a pier 7 and used for hoisting a bracket 5. As shown in fig. 1 to 3, including support 1, be provided with two at least steel cushions 2 between support 1 and the pier 7 top, cushion 2 and the fixed connection of structures such as reinforcing bar at pier 7 top, bind through cable 8 between cushion 2 and the support 1, realize fixed with pier 7 with support 1 on, avoid appearing the displacement, even topple at the in-process support 1 of hoisting bracket 5. The left side and the right side on the support 1 all are provided with hoist engine 6 and assembly pulley, include three fixed pulley 3 and three movable pulley 4 in the assembly pulley, and fixed pulley 3 in the assembly pulley sets up in the tip of support 1, and movable pulley 4 in the assembly pulley sets up in fixed pulley 3 below for hoist and mount bracket 5. A steel wire rope 61 of the winch 6 is sequentially connected with the fixed pulley 3 and the movable pulley 4. In order to ensure that the stress of the bracket 1 is uniform when the bracket 5 is hoisted, the windlasses 6 and the pulley blocks on two sides of the bracket 1 are arranged symmetrically.

In order to reduce the weight of the bracket 1 and ensure the strength of the bracket 1, the bracket 1 may be obtained by splicing at least two i-beams side by side, that is, the web of the i-beam in the bracket 1 is in a vertical state, and the upper and lower flanges of two adjacent i-beams are in contact with each other, as shown in fig. 4. The bracket 1 and the cushion block 2 are bound through the steel cable 8, and the I-shaped steel forming the bracket 1 can also be bound together.

In order to increase the strength of the bracket 1 and reduce the deformation of the bracket 5 during hoisting, a steel stiffening plate 9 is further arranged between the upper and lower flanges at two sides of the bracket 1, the stiffening plate 9 is a steel plate with the thickness ranging from 1cm to 2cm, the stiffening plate 9 is welded at the contact part of the bracket 1 and the cushion block 2 and the part of the bracket 1 provided with the fixed pulley 3, as shown in fig. 2 and 3.

As shown in fig. 5, because the distance between two adjacent piers 7 is short and the ground has a slope, it is difficult to use a large crane, and at this time, the bracket hoisting system provided by the present invention can be used, the movable pulley 4 is connected with the bracket 5, and the hoisting machine 6 drives the movable pulley 4 and the bracket 5 to ascend, thereby realizing the hoisting of the bracket 5.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The bracket hoisting system is characterized by comprising a bracket (1), wherein at least two cushion blocks (2) are fixedly connected below the bracket (1), and the cushion blocks (2) are used for supporting the bracket (1); be provided with assembly pulley and hoist engine (6) on support (1), the assembly pulley includes fixed pulley (3) and movable pulley (4), fixed pulley (3) are fixed in the tip of support (1), movable pulley (4) are located the below of fixed pulley (3), wire rope (61) of hoist engine (6) connect gradually fixed pulley (3) with movable pulley (4), movable pulley (4) are used for hoisting the bracket.

2. A pallet hoisting system according to claim 1 characterized in that said spacer (2) is fixedly connected to said support (1) by means of a wire rope (8).

3. The bracket hoisting system according to claim 1, wherein the bracket (1) is composed of at least two i-beams, the upper and lower flanges of the adjacent i-beams are in contact with each other, and the spacer (2) is arranged on the lower surface of the lower flange of the i-beam.

4. A pallet hoisting system according to claim 3, characterized in that stiffening plates (9) are arranged between the upper and lower flanges on both sides of the pallet (1).

5. A pallet hoisting system according to claim 4, characterized in that the stiffening plates (9) are arranged above the spacer blocks (2) and below the fixed pulleys (3).

6. A pallet hoisting system according to claim 4 characterised in that the thickness of the stiffening plates (9) is 1-2 cm.

7. A pallet hoisting system according to claim 4, characterized in that said stiffening plates (9) are steel structural members.

8. A pallet hoisting system according to claim 1, characterized in that the spacer (2) is a steel structural member.

9. A pallet hoisting system according to claim 1, characterized in that the pallets (1) are provided at both ends with pulleys, each of which is connected with the hoisting machine (6).