CN219489341U - Segment beam reinforcement cage lifting appliance - Google Patents

Abstract

The utility model discloses a segmental beam steel skeleton lifting appliance, which comprises: the hoisting frame is formed by splicing I-steel, and a plurality of position adjusting members are arranged at the bottom of the hoisting frame, a hoisting piece is arranged at the top of the hoisting frame, and a hoisting rope used for being connected with a hoisting ring on a segmental beam reinforcement cage is arranged on the position adjusting members; the position adjustment member includes: the lifting device comprises a suspension shell, a positioning disc, a suspender and a fixing ring, wherein a strip-shaped hollowed-out groove is formed in a bottom plate of the suspension shell, and a circular sinking table communicated with the strip-shaped hollowed-out groove is formed in the upper surface of the bottom plate. The position of the side fixing ring of the lifting appliance can be adjusted according to the position of the lifting ring on the steel reinforcement framework, so that the sag of the lifting rope is ensured, the transverse tension is avoided, the lifting appliance and the framework are stressed uniformly, deformation is avoided, the adjusting mode is simple, the positioning disc is only required to be translated to be embedded into different circular sinking tables, and meanwhile, the connecting stability and the using strength of the lifting appliance can be ensured on the premise of realizing adjustability.

Description

Segment beam reinforcement cage lifting appliance

Technical Field

The utility model relates to the technical field of segmental beam transportation, in particular to a segmental beam steel skeleton lifting appliance.

Background

After the segment beams are matched and prefabricated in a prefabricated field, the segment beams are assembled on the lower structure of the bridge block by block in sequence by special assembly equipment such as a bridge girder erection machine on site, and prestress is applied to form an integral structure, and the integral structure is pushed and assembled step by step along a preset installation direction.

The segmental beam prefabrication process comprises the steps of firstly binding steel bars, namely binding steel bars of a bottom plate and a web plate, uniformly binding and shaping the steel bars of the bottom plate and the web plate on a steel bar binding jig, hoisting a steel bar framework by adopting a gantry crane through a special lifting tool, and then installing a template and pouring concrete. When lifting, the following items should be checked: firstly, whether the hoisting steel wire rope is installed correctly or not and whether the connection is firm or not; secondly, whether the lifting appliance is intact and complete; the lifting of the weight and the descending are stable, and the inclined lifting is forbidden. At present, the whole lifting appliance of the section beam steel reinforcement framework does not have adjustability, and lifting rings on the steel reinforcement framework are welded in advance and are fixed in position, so that the condition that lifting ropes are inclined frequently occurs when the lifting appliance is connected with the lifting rings on the steel reinforcement framework, and each lifting point of the steel reinforcement framework is stressed unevenly to cause deformation.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a lifting appliance for a segmental beam steel skeleton. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.

The utility model adopts the following technical scheme:

in some alternative embodiments, there is provided a segmental beam steel skeleton spreader comprising: the hoisting frame is formed by splicing I-steel, and a plurality of position adjusting members are arranged at the bottom of the hoisting frame, a hoisting piece is arranged at the top of the hoisting frame, and a hoisting rope used for being connected with a hoisting ring on a segmental beam reinforcement cage is arranged on the position adjusting members; the position adjustment member includes: the novel lifting device comprises a suspension shell, a positioning disc, a suspender and a fixing ring, wherein a strip-shaped hollow groove is formed in a bottom plate of the suspension shell, a round sinking table communicated with the strip-shaped hollow groove is formed in the upper surface of the bottom plate, the positioning disc is embedded in the round sinking table, one end of the suspender is connected with the positioning disc, and the other end of the suspender is connected with the fixing ring.

In some alternative embodiments, the lifting frame comprises: three cross beams and two groups of longitudinal beams symmetrically arranged on the cross beams; the length of the cross beam is 9000mm, and the interval between every two adjacent cross beams is 950mm.

In some alternative embodiments, each set of stringers comprises three unit beams arranged side by side, the unit beams having a length of 2300mm; the three unit beams are respectively an inner unit beam, a middle unit beam and an outer unit beam, the space between the inner unit beam and the middle unit beam is 1000mm, and the space between the middle unit beam and the outer unit beam is 1500mm.

In some alternative embodiments, the number of the lifting members is 4, and the 4 lifting members are respectively disposed on the cross members located at the outer sides between the inner side unit beam and the middle unit beam.

In some alternative embodiments, the 4 lifting members have a lateral spacing of 4300mm and a longitudinal spacing of 1900mm.

In some alternative embodiments, the lifting member comprises: a hanger main body and a reinforcing plate; the lifting part is characterized in that a lifting hole is formed in the lifting part main body, the reinforcing plate is arranged around the lifting hole in a surrounding mode, and reinforcing ribs are arranged at the edge of the reinforcing plate.

In some alternative embodiments, the hanger body is 200mm in length and the hanger hole is 70mm in diameter.

The utility model has the beneficial effects that: the position of the side fixing ring of the lifting appliance can be adjusted according to the position of the lifting ring on the steel reinforcement framework, so that the sag of the lifting rope is ensured, the transverse tension is avoided, the lifting appliance and the framework are stressed uniformly, deformation is avoided, the adjusting mode is simple, the positioning disc is only required to be translated to be embedded into different circular sinking tables, and meanwhile, the connecting stability and the using strength of the lifting appliance can be ensured on the premise of realizing adjustability.

Drawings

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

FIG. 1 is a top view of a segment beam reinforcement cage spreader of the present utility model;

FIG. 2 is a side view of the girder steel frame hanger of the present utility model;

FIG. 3 is a schematic view of the construction of the lifting member of the present utility model;

FIG. 4 is a cross-sectional view of a position adjustment member of the present utility model;

fig. 5 is an internal structural view of the position regulating member of the present utility model.

Detailed Description

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. It should be understood that the described embodiments are merely some, but not all, embodiments of the utility model. 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.

As shown in fig. 1-5, in some illustrative embodiments, the present utility model provides a segmented beam steel frame hanger comprising: the lifting frame 1, the position adjusting member 2, the lifting piece 3 and the lifting rope 4.

The hoisting frame 1 is formed by splicing I-steel, and the specific splicing mode is that all the I-steel are welded in a crossing way, and finally welded into an integral rectangular grid frame which is used as a transition lifting appliance between a segmental beam reinforcement cage and a lifting machine.

The position adjusting members 2 are arranged at the bottom of the hoisting frame 1, the specific number and the welding positions can be adjusted according to the actual overall dimension of the section beam, the requirement of hoisting the framework can be approximately met, and the position positions of the corresponding bottom, web steel bars and top plate steel bars are required to be provided with the position adjusting members 2 so as to ensure stability.

The lifting part 3 is arranged at the top of the lifting frame 1 and is used for being connected with a lifting machine through a steel wire rope or an iron chain, so that the lifting frame 1 is ensured to stably lift and fall.

The lifting rope 4 is arranged on the position adjusting member 2 and is used for being connected with the lifting ring on the segmental beam reinforcement cage, and when the lifting rope is particularly used, one end of the lifting rope 4 is connected to the position adjusting member 2, and the other end of the lifting rope is connected to the lifting ring on the segmental beam reinforcement cage.

The hoisting frame 1 comprises: three cross beams 101 and two groups of longitudinal beams symmetrically arranged on the cross beams 101; each group of longitudinal beams comprises three parallel unit beams which are arranged in parallel. The three cross beams 101 are parallel to each other, the length of each cross beam 101 is 9000mm, and the distance between every two adjacent cross beams 101 is 950mm; the length of the unit beam is 2300mm. The cross beam 101 and the unit beam are made of I-steel with the model number of 22A.

The three unit beams in each group of longitudinal beams are respectively an inner unit beam 102, a middle unit beam 103 and an outer unit beam 104; the inner side unit beam 102 is positioned at the inner side of the hoisting frame 1; the outer side unit beams 104 are positioned outside the hoisting frame 1; the intermediate unit beams 103 are located between the inner unit beams 102 and the outer unit beams 104. The space between the inner unit beam 102 and the intermediate unit beam 103 is 1000mm, and the space between the intermediate unit beam 103 and the outer unit beam 104 is 1500mm. Each beam rod used for hoisting the frame 1 is designed to be of the above size, can be matched with the section beam, and the structural design can increase hoisting stability, and is convenient for arranging the position of the position adjusting member 2.

In order to prevent deformation phenomenon during lifting of the steel reinforcement framework, four lifting points are arranged in a multi-point balance manner by adopting a special integral lifting tool, and one lifting piece 3 is arranged on each lifting point, so that the number of the lifting pieces 3 is four, and the four lifting pieces 3 are respectively arranged on the cross beam 101 between the inner side unit beam 102 and the middle unit beam 103 and positioned on the outer side, so that the lifting balance is ensured. The four lifting elements 3 have a transverse pitch of 4300mm and a longitudinal pitch of 1900mm.

As shown in fig. 3, the hoist 3 includes: a hanger main body 301, a reinforcing rib 302, and a reinforcing plate 303. Hanging hole 304 is arranged on hanging piece main body 301, reinforcing plate 303 is arranged around hanging hole 304, and reinforcing rib 302 is arranged at the edge of reinforcing plate 303. The design of the reinforcing ribs 302 and the reinforcing plates 303 can increase the strength of the lifting member 3 and reduce the risk of breakage and deformation of the lifting member 3. The hanger main body 301 has a length of 200mm and the hanger hole 304 has a diameter of 70mm.

The position adjustment member 2 includes: suspension housing 201, puck 202, boom 203, and retaining ring 204.

The suspension housing 201 is welded to the suspension frame 1 and is hollow inside. A bottom plate of the suspension housing 201 is provided with a strip-shaped hollow groove 205, and the upper surface of the bottom plate is provided with round sinking tables 206 communicated with the strip-shaped hollow groove 205, wherein the number of the round sinking tables 206 is generally 3-5. The puck 202 is located within the suspension housing 201, and in use, the puck 202 is embedded within the circular sink deck 206. One end of the suspender 203 is connected with the positioning disk 202, the other end is connected with the fixed ring 204, and the lifting rope 4 is connected with the fixed ring 204.

In actual use, the positioning plate 202 can be adjusted to fall into different circular sinking tables 206, so that the position of the fixing ring 204 on the hoisting frame 1 can be adjusted, and the circular sinking tables 206 can also play a limiting role to ensure hoisting stability. Before lifting, a special person checks the iron chains and the steel wire ropes at the lifting points, adjusts the lifting ropes at the lifting points, ensures that the steel bar framework is smooth and undeformed, and ensures that each lifting point is uniformly stressed. The hanging ring on the steel reinforcement framework is formed by bending round steel with phi of 16, and the hanging ring is connected with the main bars of the bottom plate and the top plate of the steel reinforcement framework. The position of the side fixing ring of the lifting appliance can be adjusted according to the position of the lifting ring on the steel reinforcement framework, so that the sag of the lifting rope is ensured, the transverse tension is avoided, the lifting appliance and the framework are stressed uniformly, deformation is avoided, the adjusting mode is simple, the positioning disc is only required to be translated to be embedded into different circular sinking tables, and meanwhile, the connecting stability and the using strength of the lifting appliance can be ensured on the premise of realizing adjustability.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (7)

1. Segmental beam steel skeleton hoist, its characterized in that includes: the hoisting frame is formed by splicing I-steel, and a plurality of position adjusting members are arranged at the bottom of the hoisting frame, a hoisting piece is arranged at the top of the hoisting frame, and a hoisting rope used for being connected with a hoisting ring on a segmental beam reinforcement cage is arranged on the position adjusting members; the position adjustment member includes: the novel lifting device comprises a suspension shell, a positioning disc, a suspender and a fixing ring, wherein a strip-shaped hollow groove is formed in a bottom plate of the suspension shell, a round sinking table communicated with the strip-shaped hollow groove is formed in the upper surface of the bottom plate, the positioning disc is embedded in the round sinking table, one end of the suspender is connected with the positioning disc, and the other end of the suspender is connected with the fixing ring.

2. The segmented beam steel bar frame hanger of claim 1, wherein said hanger frame comprises: three cross beams and two groups of longitudinal beams symmetrically arranged on the cross beams; the length of the cross beam is 9000mm, and the interval between every two adjacent cross beams is 950mm.

3. The segmental beam steel skeleton spreader of claim 2, wherein each set of stringers comprises three unit beams arranged side by side, the unit beams having a length of 2300mm; the three unit beams are respectively an inner unit beam, a middle unit beam and an outer unit beam, the space between the inner unit beam and the middle unit beam is 1000mm, and the space between the middle unit beam and the outer unit beam is 1500mm.

4. The segmented beam skeleton lifting appliance of claim 3, wherein the number of lifting members is 4, and 4 lifting members are respectively disposed on the outer cross members between the inner unit beams and the intermediate unit beams.

5. The segmented beam skeleton spreader of claim 4, wherein the 4 lifting members have a lateral spacing of 4300mm and a longitudinal spacing of 1900mm.

6. The segmented beam steel bar frame hanger of claim 5, wherein said lifting member comprises: a hanger main body and a reinforcing plate; the lifting part is characterized in that a lifting hole is formed in the lifting part main body, the reinforcing plate is arranged around the lifting hole in a surrounding mode, and reinforcing ribs are arranged at the edge of the reinforcing plate.

7. The segmented beam steel skeleton hanger of claim 6, wherein the hanger body is 200mm in length and the hanger hole is 70mm in diameter.