CN218175600U

CN218175600U - Suspension frame for welding arch rib segments

Info

Publication number: CN218175600U
Application number: CN202221992095.6U
Authority: CN
Inventors: 刘平; 李晓东; 吕凯; 李小鹏; 聂清念; 刘茜茜; 李刘双; 林权富
Original assignee: Guangdong No 3 Water Conservancy and Hydro Electric Engineering Board Co Ltd
Current assignee: Guangdong No 3 Water Conservancy and Hydro Electric Engineering Board Co Ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-12-30
Anticipated expiration: 2032-07-29

Abstract

The utility model provides a be used for arched rib festival section welded suspension frame, this suspension frame wholly is the axisymmetric structure, include many spinal branchs vaulting pole of being connected with arched rib roof department, be located the upper welding platform of bracing piece below, install the lower floor's welding platform in upper welding platform below, and set up the rail structure to the side of upper welding platform and lower floor's welding platform, in arched rib bottom plate below, be located and be equipped with constructor's foot path between the lower floor's welding platform of arched rib festival section left and right sides, make things convenient for constructor to walk the right side from the left side and weld the inspection of welding seam to the arched rib festival section, install the people ladder in upper welding platform and arched rib vertically one side, constructor can get into upper welding platform from the people ladder, upper welding platform below is provided with portable welding platform, constructor stands and welds in one side that portable welding platform is close to the arched rib festival section.

Description

Suspension frame for welding arch rib segments

Technical Field

The utility model belongs to arch rib welding auxiliary platform field especially relates to a be used for arch rib segment section welded suspension frame.

Background

In recent years, the domestic construction steel structure industry is rapidly developed, and in the steel structure bridge construction, the smooth installation of the arch bridge steel structure is ensured. The most important node part is the installation of the arch rib, and the installation of the part for correcting the welding problem can generate great challenges for building construction. It is important to design the selection and use of the rib mounting platform.

For arch rib construction, an operator can stand on an operation platform to carry out installation, correction and welding operation on the box-type arch rib. Traditional operation platform sets up scaffold operation platform according to on-the-spot actual construction condition, welds the hangers around the box steel column, penetrates the steel pipe in the hangers, connects the steel pipe with the fastener, lays two springboards on the steel pipe and fixes firmly, sets up the protection railing again. However, under certain conditions, particularly when welding the complementary segments of the rib segments, the conventional work platform can be very inconvenient to use and the entire welding operation becomes inefficient.

Chinese utility model patent CN211277093U discloses a saddle-shaped assembled high altitude welded platform, and this utility model includes and is used for placing the bracing piece at the arch rib up end, and the both ends of bracing piece are equipped with the vertical upwards frame type hanging flower basket that sets up of opening respectively. When using this welded platform welding arch rib segment's embedment section, because the welding seam horizontal direction span is big, the welding point that welding personnel can touch is very limited, needs the tower crane to assist constantly to change the position realization of frame type hanging flower basket, again because the difference in height is big about the welding seam of embedment section web department, still need adjust the distance of frame type hanging flower basket for the bracing piece, this is just so makes the very loaded down with trivial details inefficiency of whole operation process.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the above-mentioned prior art, the utility model provides a be used for arch rib festival section welded suspension frame, the to-be-solved technical problem of the utility model is to provide a suspension frame that the difference in height is big about can welding, the horizontal direction span is big welding seam.

For solving the technical problem, the utility model provides a be used for rib festival section welded suspension frame, this suspension frame wholly is the axisymmetric structure, suspension frame includes many spinal branchs vaulting pole of being connected with rib festival section roof department, is located the upper welding platform of bracing piece below, is located the lower floor's welding platform of upper welding platform below to and set up the rail structure in upper welding platform and lower floor's welding platform side, be located and be equipped with construction personnel's foot path between the lower floor's welding platform of rib festival section left and right sides, construction personnel's foot path is established in rib festival section below, make things convenient for constructor to walk the right side from the left side and weld the inspection of welding seam to the rib festival section.

Furthermore, the upper welding platform is provided with a ladder perpendicular to the upper welding platform, and constructors enter the upper welding platform from the ladder.

Further, upper strata welded platform below is provided with portable welded platform, and portable welded platform keeps parallel with upper strata welded platform, and portable welded platform adopts sharp sliding connection with upper strata welded platform, and constructor can stand and weld in one side that portable welded platform is close to the arch rib festival section.

Furthermore, a plurality of supporting rods are welded and fixed with the top plate of the arch rib segment, and the supporting rods are perpendicular to the axis of the arch rib segment.

Furthermore, an embedding section is arranged between the arch rib sections, the width of the upper layer of welding platform in the horizontal direction is larger than that of the embedding section at the arch rib sections, and the width of the lower layer of welding platform in the horizontal direction is larger than that of the embedding section at the arch rib sections.

Furthermore, portable welded platform is formed by many steel pipes and steel bar welding, the steel pipe is placed with bracing piece parallel, and the reinforcing bar is placed with the bracing piece is perpendicular.

Furthermore, a reinforcing mesh is laid on one side, close to the arch rib, of the movable welding platform.

Furthermore, the construction pedestrian passageway adopts multiunit steel pipe welding to be the frame shape structure, just the structural reinforcing bar net that lays of frame shape, the outside limit of frame shape structure is equipped with and adopts the steel pipe to build the railing that constitutes.

Furthermore, the upper welding platform is paved with steel plates with patterns, and the lower welding platform is paved with steel plates with patterns.

Further, be provided with many montants on the welded platform of lower floor perpendicularly, the montant lower extreme is connected with lower floor's welded platform, the montant upper end with bracing piece fixed connection, the montant middle part is fixed with upper welded platform's side.

Because the utility model discloses the design has many spinal branchs vaulting pole, many spinal branchs vaulting pole welded fastening on arch rib festival section roof, and many spinal branchs vaulting pole are this suspension frame's main atress structure to guarantee whole frame's stability. The suspension frame is provided with an upper welding platform and a lower welding platform, so that the welding and the inspection of the welding seam with the overlarge vertical difference by constructors are greatly facilitated. The utility model discloses a be used for arch rib festival section welded suspension frame, this suspension frame is the axisymmetric structure wholly, in arch rib festival section below, be equipped with construction pedestrian's passageway between the lower floor welded platform of arch rib both sides, make things convenient for constructor to walk the right side from the left side and weld the inspection of welding and welding seam to arch rib festival section. A ladder is arranged on the upper welding platform and is perpendicular to the upper welding platform, and constructors can enter the welding platform from the ladder. But upper welding platform below is provided with movable welded platform, and movable welded platform keeps parallel with upper welding platform, and but movable welded platform adopts sharp sliding connection with upper welding platform, and constructor stands and welds on one side that movable platform is close to the arch rib festival section. Be equipped with between the arch rib festival section and inlay the section, upper welding platform and lower floor's welding platform width on the horizontal direction is greater than the width of arch rib festival section department embedding section to make things convenient for constructor to the welding of the big welding seam of horizontal direction span and the inspection of welding seam. And because the utility model discloses the design has the width that upper and lower welding platform and upper and lower welding platform width are greater than arch rib section department and inlay the section, and at the in-process of tower crane hoist and mount arch rib section bottom plate, web, constructor just can walk upper welding platform, lower floor's welding platform, the construction pedestrian passageway department of convenient operation and take one's place and welded fastening work to embedding section bottom plate, web.

Drawings

Fig. 1 is a schematic view of a first embodiment of a suspension frame for welding of arch rib segments according to the present invention.

Fig. 2 is a schematic view of a second embodiment of a suspension frame for welding of arch rib segments according to the present invention.

Fig. 3 is a schematic view of a movable welding stage.

Fig. 4 is a schematic diagram of a movable welding platform in use.

Fig. 5 is a schematic view of a retracted state of the movable welding platform.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In order to better understand the purpose, structure and function of the present invention, the following description will be made in detail with reference to the accompanying drawings.

Example (b):

combine shown in fig. 1, the utility model discloses a be used for arched rib festival section welded mounted frame in the first embodiment, this mounted frame wholly is the axisymmetric structure, include many spinal branchs vaulting pole 5 of being connected with arched rib festival section roof department, be located upper welding platform 1 of bracing piece 5 below, be located lower floor's welding platform 2 of upper welding platform 1 below, the people's ladder 4 of installation on upper welding platform 1, the rail structure that is provided with in upper welding platform 1 and lower floor's welding platform 2 side, in arched rib bottom plate below, be equipped with construction pedestrian passageway 6 between the lower floor's welding platform 2 of arched rib festival section both sides, be provided with many montants on the lower floor's welding platform 2 perpendicularly, the montant lower extreme is connected with lower floor's welding platform 2, the montant upper end with 5 fixed connection of bracing piece, the montant middle part is fixed with upper welding platform 1's side.

This hanging frame is equipped with many spinal branchs vaulting pole 5, and bracing piece 5 is perpendicular with arch rib festival section axis, and bracing piece 5 can be the channel-section steel, and many spinal branchs vaulting pole 5 lead to welded fastening on the arch rib roof. The tip of bracing piece 5 and the upper end fixed connection of the montant of connection on lower floor's welded platform 2, many spinal branchs vaulting pole 5 have just so born the gravity of suspension frame to guarantee the stability of whole frame. The suspension frame is provided with an upper welding platform 1 and a lower welding platform 2, so that the welding and the inspection of the welding line with the overlarge vertical difference by constructors are greatly facilitated. The upper layer of welding platform 1 upper berth is equipped with the steel sheet that has the decorative pattern, and lower floor's of welding platform 2 upper berth is equipped with the steel sheet that has the decorative pattern, ensures constructor's safety. People's ladder 4 is installed on upper welding platform 1, and people's ladder 4 is perpendicular with upper welding platform 1, and constructor can follow people's ladder 4 and get into welding platform. The fence structure that sets up in

upper welding platform

1 and 2 sides of lower floor's welding platform, the fence structure that the steel pipe was interweaved is violently erected, has guaranteed constructor's safety. In rib festival section below, be equipped with construction pedestrian passageway 6 between the lower floor welded platform 2 of rib both sides, construction pedestrian passageway 6 adopts multiunit steel pipe welding to be frame shape structure, just the structural reinforcing bar net of laying of frame shape, the outside limit of frame shape structure is equipped with the railing that adopts the steel pipe to build the constitution, and constructor walks to the right side through construction pedestrian passageway 6 from the left side and welds the inspection of welding seam to the rib festival section.

The working process of the suspension frame for welding the arch rib segments comprises the following steps: when hoisting the bottom plate of the embedding section, the bottom plate is hoisted to one side of the arch rib section through the tower crane, the constructor enables the bottom plate to be in place through the cucurbit flute, and after the in-place operation is completed, the constructor stands on the construction pedestrian path 6 to fixedly weld the bottom plate of the embedding section, so that the displacement of the bottom plate is prevented. Before the web is hoisted, the suspension frame is directly hoisted to the upper surface of an arch rib by using a tower crane to be installed and welded, then a web on one side is hoisted, when the web on the embedding section is hoisted, a constructor can adjust the position of the web on the upper layer of the welding platform 1 and the lower layer of the welding platform 2 on one side, the web on the other side can be hoisted after the completion of the adjustment in place, after the web on one side is fixed, the constructor walks to the other side through a constructor walking channel 6, the upper layer of welding platform 1 and the lower layer of welding platform 2 standing on the other side perform welding fixation on the web on the embedding section, and the web is prevented from shifting. When the top plate of the embedding section is hoisted, the suspension frame is not needed.

The utility model discloses upper welding platform 1 and lower floor's welding platform 2 width on the horizontal direction is greater than the width of arch rib festival section department embedment section, thereby make things convenient for the constructor to the welding of the big welding seam of horizontal direction span and the inspection of welding seam, again because upper welding platform 1, the upper and lower floor's of lower floor's welding platform 2 design, at crane hoist and mount arch rib embedment section bottom plate, the in-process of web, constructor just can directly walk the welding platform of convenient operation, 6 departments of construction pedestrian passageway are to embedment section bottom plate, the web takes one's place and welded fastening work, and need not to use the crane to hoist whole hanging frame and look for the position of suitable operation again, make the weldment work of whole embedment section very high-efficient.

Fig. 2 shows a second embodiment of the invention, which differs from the suspension frame for welding of arch rib segments shown in fig. 1 in that a movable welding platform 3 is arranged below the upper welding platform 1. Portable welded platform 3 sets up in upper welded platform 1 below, as shown in fig. 2, portable welded platform 3 keeps parallel with upper welded platform 1, and portable welded platform 3 adopts sharp sliding connection with upper welded platform 1, as shown in fig. 3, portable welded platform 3 is formed with steel reinforcement welding by many steel pipes, the steel pipe is placed with bracing piece 5 parallel, and the reinforcing bar is placed perpendicularly with bracing piece 5, the reinforcing bar net has been laid to portable welded platform 3 one side near the arch rib, and constructor can stand and weld in one side that portable welded platform 3 is close to the arch rib section.

The working process of the suspension frame for welding the arch rib segments comprises the following steps: when hoisting the bottom plate of the embedding section, the bottom plate is hoisted to one side of the arch rib segment by the tower crane, constructors enable the bottom plate to be in place by the aid of the calabash wires, and after the in-place operation is completed, the constructors stand on the construction pedestrian passage 6 to fixedly weld the bottom plate of the embedding section, so that the bottom plate is prevented from shifting. Before hoisting the web, a constructor needs to enter between the upper welding platform 1 and the lower welding platform 2 from a ladder 4 at the upper welding platform 1 before hoisting the web, and withdraws the movable welding platform 3 installed below the upper welding platform 1 as shown in fig. 5, so as to prevent one side of the movable welding platform 3 close to the arch rib section from influencing the hoisting and positioning work of the web of the embedding section, after the hoisting and positioning work of the web of the embedding section is completed, the constructor pushes the movable welding platform 3 installed below the upper welding platform 1 back to a use state as shown in fig. 4, then the constructor can weld and fix the web of the embedding section at one side of the movable welding platform 3 close to the arch rib section and the lower welding platform 2, after the web of one side is fixed, the web of the other side can be hoisted, at the moment, the constructor walks to the other side through a constructor walking channel 6, and after the operation steps of the previous side are repeated, the constructor stands at one side of the movable welding platform 3 close to the arch rib section and the lower welding platform 2 to weld and fix the web of the embedding section, so as to prevent the web from shifting. When the top plate of the embedding section is hoisted, the suspension frame is not needed.

In addition to the advantages of the first embodiment, since the movable welding platform 3 is disposed below the upper welding platform 1, one side of the movable welding platform 3 close to the arch rib segment is closer to the web welding seam, and a constructor stands on one side of the movable welding platform 3 close to the arch rib segment for welding, so that the web welding seam is more efficiently and conveniently welded.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention is included in the protection scope of the present invention.

Claims

1. The utility model provides a be used for arch rib festival section welded frame that hangs, this hang frame wholly is the axisymmetric structure, hang the frame and include many spinal branchs vaulting pole (5) of being connected with arch rib festival section roof department, set up upper welding platform (1) in the below of bracing piece (5), be located lower floor welding platform (2) of upper welding platform (1) below and set up the rail structure in upper welding platform (1) and lower floor welding platform (2) side, its characterized in that is equipped with construction pedestrian passageway (6) between lower floor welding platform (2) that are located the arch rib festival section left and right sides, construction pedestrian passageway (6) are established in arch rib festival section below.

2. A suspension frame for welding of arch rib segments according to claim 1, characterized in that a man ladder (4) is arranged on the upper welding platform (1) and that the man ladder (4) is perpendicular to the upper welding platform (1).

3. A suspension frame for welding of a rib segment according to any of claims 1 or 2, characterized in that a movable welding platform (3) is arranged below the upper welding platform (1), the movable welding platform (3) is parallel to the upper welding platform (1), and the movable welding platform (3) and the upper welding platform (1) are connected in a linear sliding manner, so that a constructor can stand on the side of the movable welding platform (3) close to the rib segment for welding.

4. A suspension frame for welding of a rib segment according to any of claims 1 or 2, characterized in that said plurality of support bars (5) are welded fixed to the top plate of the rib segment, the support bars (5) being perpendicular to the axis of the rib segment.

5. A suspension frame for welding of rib sections according to any of claims 1 or 2, characterised in that there are insertions between rib sections, the upper welded platform (1) having a horizontal width greater than the width of the insertion at the rib section, and the lower welded platform (2) having a horizontal width greater than the width of the insertion at the rib section.

6. A suspension frame for welding of arch rib segments according to claim 3, characterized in that the movable welding platform (3) is formed by welding a plurality of steel tubes, which are placed parallel to the support rods (5), and steel bars, which are placed perpendicular to the support rods (5).

7. A suspension frame for welding of arch rib segments according to claim 6, characterised in that the movable welding platform (3) is provided with a mesh of steel reinforcement on the side close to the arch rib.

8. A suspension frame for welding of arch rib segments according to any of claims 1 or 2 or 6 or 7, characterized in that the construction walkway (6) is welded with sets of steel pipes to form a frame structure, and the frame structure is laid with a mesh of steel reinforcement, and the outer side of the frame structure is provided with railings built up with steel pipes.

9. A suspension frame for welding of arch rib segments according to any of claims 1 or 2 or 6 or 7, characterized in that the upper layer welding platform (1) is laid with a steel plate with patterns and the lower layer welding platform (2) is laid with a steel plate with patterns.

10. A suspension frame for welding of arch rib sections according to any of claims 1 or 2 or 6 or 7, characterized in that a plurality of vertical rods are vertically arranged on the lower welding platform (2), the lower ends of the vertical rods are connected with the lower welding platform (2), the upper ends of the vertical rods are fixedly connected with the supporting rods (5), and the middle parts of the vertical rods are fixed with the side edges of the upper welding platform (1).