Operating platform for lengthening steel structure column at high altitude

Abstract

The utility model belongs to the technical field of building steel structure engineering, and particularly relates to an operation platform for high-altitude extension of a steel structure column, which comprises a platform bottom frame, stand columns and fences, and a steel wire mesh springboard is arranged on the platform bottom frame, and is characterized in that a hole is formed in the middle of the platform bottom frame to form a hollow square structure; the hole size is matched with the outer contour of the cross section of the high-altitude lengthened steel structure column; the platform bottom frame comprises supporting main beams and platform bottom secondary beams, the platform bottom secondary beams are welded to form a rectangular-ambulatory-plane frame body in a surrounding mode, the rectangular-ambulatory-plane frame body is internally and fixedly connected through grid bars made of a plurality of platform bottom secondary beams, and the two supporting main beams are fixedly connected to the lower portion of the rectangular-ambulatory-plane frame body in parallel; and the knife-handle-shaped bracket plate matched with the fixed supporting main beam is welded on the outer side of the steel structure column at the high-altitude lengthening part. The utility model has the beneficial effects that by adopting the integral sleeving platform structure, the overhead lengthening operation of the steel structure column can be completed without erecting a scaffold, the welding operation environment is improved, and the construction period is shortened.

Description

Technical Field

[0001] This utility model belongs to the field of building steel structure engineering technology, and in particular relates to an operating platform for extending steel structure columns at high altitudes. Background Technology

[0002] In engineering practice, due to limitations of site conditions, selection of machinery and equipment, and cost considerations, the steel columns in steel structure workshops are often fabricated and installed in sections during design modifications. The traditional method involves erecting steel pipe scaffolding at the column joints, laying wooden planks on the scaffolding, and then welding the column joints. This method poses significant safety hazards during both scaffolding erection and column joint welding. Furthermore, the scaffolding erection process delays the construction schedule, requiring repeated scaffolding erection. This construction method no longer meets the overall design and construction requirements and introduces potential quality issues for the entire project, necessitating urgent improvement. Utility Model Content

[0003] The purpose of this utility model is to provide an operating platform for extending steel structure columns at high altitudes, overcoming the shortcomings of existing technologies. By adopting an integrated modular platform structure, it enables the extension of steel structure columns at high altitudes to be completed without the need for scaffolding. At the same time, it shortens the construction period and reduces operating costs while ensuring personal safety and improving the welding operating environment.

[0004] To achieve the above objectives, this utility model provides the following technical solution.

[0005] An operating platform for extending a steel structure column at height includes a platform base frame, columns, and railings. The platform base frame is equipped with wire mesh planks. The platform base frame features an opening in the center forming a U-shaped structure, the size of which matches the outer contour of the steel structure column's cross-section. The platform base frame includes a main supporting beam and secondary platform beams, which are welded together to form a U-shaped frame. Multiple secondary platform beams are fixedly connected within the U-shaped frame by gratings. Two main supporting beams are fixedly connected parallel to each other below the U-shaped frame, with each main supporting beam positioned outside the opening. A knife-handle-shaped bracket plate, matching the main supporting beams, is welded to the outside of the steel structure column at the height extension section.

[0006] The supporting main beams are made of channel steel, angle steel, I-beams or H-beams, and tie rods are provided between the two supporting main beams.

[0007] The platform's bottom secondary beam is made of steel pipe, angle steel, or channel steel.

[0008] The width of the inner groove of the knife handle-shaped bracket plate matches the width of the supporting main beam, and the knife handle-shaped bracket plate is provided with a locking hole.

[0009] The wire mesh plank has a movable section for people to go up and down.

[0010] The steel structure column is equipped with a steel rope ladder for people to go up and down.

[0011] The size of the keyhole is matched with the wire rope lock.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1) By adopting an integrated modular platform structure, the operation of extending steel structure columns at high altitudes can be completed without the need for scaffolding. This ensures personal safety, improves the welding working environment, shortens the construction period, meets the design and construction quality requirements, and improves work efficiency.

[0014] 2) This utility model can be used after being hoisted into place and connected with safety steel cables, ensuring welding quality. It is highly practical and can be used repeatedly for a long time, reducing operating costs. It can be actively promoted and used in similar projects and has been well received by owners and supervisors, contributing to the owners' early completion and production. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0016] Figure 2 yes Figure 1 Sectional view along line AA;

[0017] Figure 3 yes Figure 1 Sectional view along line BB;

[0018] Figure 4 This is a schematic diagram of the fixing structure of the knife handle type bracket plate after installation in an embodiment of this utility model.

[0019] In the diagram: 1-Knife-handle type bracket plate, 2-Main support beam, 3-Tie rod, 4-Platform bottom secondary beam, 5-Wire mesh scaffolding, 6-Opening, 7-Steel structure column, 8-Movable panel, 9-Reinforced rope ladder, 10-Guard post, 11-Guard, 12-High-altitude extension part, 13-Kickboard, 14-Wire rope lock, a-Bottom section of steel structure column, b-Upper section of steel structure column. Detailed Implementation

[0020] The technical solution of this utility model will be clearly and completely described below with reference to specific embodiments. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.

[0021] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the specific embodiments used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the specific embodiments described below are some embodiments of this utility model. For those skilled in the art, other specific embodiments can be obtained based on these specific embodiments without creative effort.

[0022] The components of the present invention described and shown in the specific embodiments herein can be arranged and designed in numerous different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the specific embodiments is not intended to limit the scope of the claimed invention, but only to illustrate selected embodiments of the invention.

[0023] See Figure 1-4 This is a schematic diagram of an embodiment of the operating platform for extending a high-altitude steel structure column according to this utility model. It includes a platform base frame, columns (Φ48 steel pipes), and a fence. The fence consists of 10 railing columns made of Φ48 steel pipes and 11 railings made of Φ12 round steel, covered with a green safety mesh net. A wire mesh plank 5 is provided on the platform base frame. An opening 6 forms a U-shaped structure in the middle of the platform base frame, the size of which matches the outer contour of the cross-section of the steel structure column 7. The platform base frame includes a main supporting beam 2 and secondary platform beams 4. The secondary platform beams 4 are welded into a U-shaped frame. Multiple secondary platform beams 4 are fixedly connected within the U-shaped frame by gratings. Two main supporting beams 2 are fixedly connected parallel to each other under the U-shaped frame, and the two main supporting beams 2 are respectively located outside the opening. A knife-handle-shaped bracket plate 1, which is used to fix the main supporting beams 2, is welded to the outside of the steel structure column at the high-altitude extension section 12. The operating platform is hoisted into place along with the steel structure column. Personnel can only enter after the bottom of the steel structure column is aligned and fixed. After unhooking, the platform can be used when connecting the column. When using the platform, be sure to hang the safety belt on the railing 11.

[0024] The main support beam 2 is made of [10 channel steel, and a 16mm round steel tie rod 3 is installed between the two main support beams. The platform bottom secondary beam 4 is made of Φ48mm steel pipe. The inner groove width of the knife handle-shaped bracket plate 1 matches the width of the main support beam 2, and the knife handle-shaped bracket plate 1 has a locking hole, the size of which matches the steel wire rope lock 14. After the platform is installed, the main support beam 2 is locked with a 10mm diameter steel wire rope lock 14 to prevent the platform from accidentally shaking or tipping over.

[0025] The wire mesh plank 5 has a movable platform 8 for people to go up and down. The interior of the extended steel structure at height is equipped with a steel rope ladder 9 for people to go up and down.

[0026] The manufacturing process of this utility model platform is as follows:

[0027] A steel structure column high-altitude welding operation platform is fabricated at a steel component manufacturing plant according to the required dimensions; the platform bottom secondary beam 4 is welded and fixed to the supporting main beam 2, and the platform bottom frame is formed by welding the platform bottom secondary beam 4 around its perimeter; railing posts 10 and railings 11 are welded to the four side beams 4 of the bottom frame; the wire mesh plank 5 is fixed to the platform bottom secondary beam 4, and to further improve safety, a 100mm high kickboard 13 can also be welded around the wire mesh plank 5.

[0028] The steps for platform hoisting, positioning, and dismantling during use are as follows:

[0029] (1) The operating platform should be installed on the steel structure column on the ground before the steel structure column is hoisted. At the same time as it is made in the factory, the knife handle type bracket plate 1 should be welded to a suitable position near the high-altitude extension part 12 of the steel structure column for easy operation.

[0030] (2) The prepared operating platform is hoisted onto the knife handle-shaped bracket plate 1 that has been pre-welded onto the steel structure column. The main support beam 2 is exactly in the notch groove of the knife handle-shaped bracket plate 1. Then, the knife handle-shaped bracket plate 1 and the main support beam 2 are locked together with 10mm steel wire rope lock 14.

[0031] (3) The main beam 2 is supported by tie rods 3 passing through the steel structure column and tightening them to clamp the steel structure column a. Then, the secondary beams 4 at the bottom of the two platforms and the railings are connected and fixed firmly with bolts.

[0032] (4) When dismantling, first remove the wire rope lock 14 on the knife handle type bracket plate 1, then use a boom lift truck and a crane to hook the operating platform with the sling and pull it up. After that, loosen the tie rod 3 and hoist the operating platform to the ground. If the owner has requirements, the knife handle type bracket plate 1 can be cut off, polished and protected against corrosion. If there are no requirements, it can be retained.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An operating platform for extending steel structure columns at height, comprising a platform base frame, columns, and railings, wherein the platform base frame is provided with wire mesh planks, characterized in that... The platform's bottom frame has an opening in the middle, forming a U-shaped structure. The size of the opening matches the outer contour of the steel structure column's cross-section. The platform's bottom frame includes a supporting main beam and a platform bottom secondary beam. The platform bottom secondary beam is welded into a U-shaped frame. The U-shaped frame is fixedly connected by a grid made of multiple platform bottom secondary beams. Two supporting main beams are fixedly connected in parallel below the U-shaped frame. The two supporting main beams are respectively located on the outside of the opening. A knife-handle-shaped bracket plate for fixing the supporting main beams is welded to the outside of the steel structure column at the high-altitude extension.

2. The operating platform for extending a high-altitude steel structure column according to claim 1, characterized in that, The supporting main beams are made of channel steel, angle steel, I-beams or H-beams, and tie rods are provided between the two supporting main beams.

3. The operating platform for extending a high-altitude steel structure column according to claim 1, characterized in that, The platform's bottom secondary beam is made of steel pipe, angle steel, or channel steel.

4. The operating platform for extending a high-altitude steel structure column according to claim 1, characterized in that, The width of the inner groove of the knife handle-shaped bracket plate matches the width of the supporting main beam, and the knife handle-shaped bracket plate is provided with a locking hole.

5. The operating platform for extending a high-altitude steel structure column according to claim 1, characterized in that, The wire mesh plank has a movable section for people to go up and down.

6. The operating platform for extending a high-altitude steel structure column according to claim 1, characterized in that, The steel structure column is equipped with a steel rope ladder for people to go up and down.

7. The operating platform for extending a high-altitude steel structure column according to claim 4, characterized in that, The size of the keyhole is matched with the wire rope lock.

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