Upper chord operation platform for net rack assembly

Abstract

The utility model discloses an upper chord operation platform for net rack assembly, which comprises two main beams arranged in parallel, a plurality of secondary beams arranged at intervals along the length direction of the main beams and vertically and fixedly connected between the two main beams, and grating plates laid on the plurality of secondary beams, the two main beams, the multiple secondary beams and the grating plate are connected with one another to form a walking channel used for operation, and the two ends, in the length direction, of each main beam are fixedly provided with two hoops which are opposite in opening direction and used for fixing the walking channel to a net rack upper chord correspondingly. And two bayonets for correspondingly clamping the two adjacent net rack upper chords are respectively formed on the two hoops. According to the net rack upper chord fixing device, the assembly structure is simplified, the operation is simple, the safety is improved, the construction efficiency is improved, and the net rack upper chord fixing device has a certain popularization value.

Description

Technical Field

[0001] The utility model relates to the technical field of grid assembly, in particular to an upper chord operation platform for grid assembly. Background Art

[0002] The grid structure is a large-span space structure commonly used in large domestic stadiums, industrial factories, cinemas, airports and other buildings at present. Its advantage of diverse shapes is deeply liked by designers. At the same time, such grid structures also face the problems of large-area assembly and installation. How to ensure the assembly accuracy and the safety of high-altitude operations is a difficult problem to be solved urgently.

[0003] Generally, there are two ways to assemble the upper chord of the grid: using a mobile scaffolding platform or an aerial work vehicle. Among them, when using the mobile scaffolding platform construction method, there are problems such as complex device assembly, simple operation, poor stability and low safety; while when using the mobile scaffolding platform construction method, there are problems such as great difficulty in using the device, complex operation, low efficiency and high cost. Content of the Utility Model

[0004] The purpose of the utility model is to overcome the defects of the prior art and provide an upper chord operation platform for grid assembly, which simplifies the assembly structure, has simple operation, improves safety and construction efficiency at the same time.

[0005] To achieve the above technical effects, the utility model provides an upper chord operation platform for grid assembly, which comprises:

[0006] Two main beams arranged in parallel, a number of secondary beams arranged at intervals along the length direction of the main beams and vertically and fixedly connected between the two main beams, and a grating plate laid on the number of secondary beams. The two main beams, the number of secondary beams and the grating plate are connected to form a walking passage for operation. At both ends of the main beam along the length direction, two clamps with opposite opening directions and used to fix the walking passage on the upper chord of the grid are fixedly installed respectively, and two clamping openings for corresponding clamping of two adjacent upper chords of the grid are formed on the two clamps respectively.

[0007] Preferably, two groups of protection components are respectively arranged on both sides of the walking passage. Each group of protection components includes a number of vertical rods arranged at intervals along the length direction of the main beam and vertically and fixedly connected to the main beam, and a number of horizontal rods vertically and fixedly connected to the number of vertical rods.

[0008] Preferably, two fixing rods are respectively fixedly installed at both ends of the bottom of the main beam along the length direction, and the two clamps are respectively fixedly connected to the corresponding fixing rods.

[0009] Preferably, a toe board is fixedly installed on the top of each main beam. The toe board passes through the corresponding group of vertical rods, and two ear plates for hoisting are respectively installed at both ends along the length direction.

[0010] Preferably, a slot for the corresponding toe board to pass through is correspondingly formed on each group of vertical rods.

[0011] Due to the adoption of the above technical solution, the technical effects achieved by the present utility model are as follows:

[0012] 1) Light weight and small volume, which are very convenient for transportation and use;

[0013] 2) Assembled structure, which can be recycled multiple times, saving construction costs;

[0014] 3) Wide practicability, high safety and high stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0016] Figure 1 It is a schematic structural diagram of the upper chord operation platform for grid assembly in the embodiment of the present utility model.

[0017] Figure 2 It is a schematic structural diagram of the clamp in the present utility model.

[0018] The corresponding relationship of the reference numerals in the drawings is as follows:

[0019] 1 - Clamp; 2 - Fixed rod; 3 - Main beam; 4 - Toe board; 5 - Connecting plate; 6 - Secondary beam; 7 - Grating plate; 8 - Vertical rod; 9 - Cross bar; 10 - Ear plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figure 1 and Figure 2As shown in the figure, an embodiment of the utility model provides an upper chord operation platform for grid frame assembly, which includes two main beams 3 arranged in parallel, several secondary beams 6 arranged at intervals along the length direction of the main beams 3 and vertically and fixedly connected between the two main beams 3, and a grating plate 7 laid on the several secondary beams 6. The two main beams 3, the several secondary beams 6 and the grating plate 7 are connected to form a walking passage for operation. At both ends of the main beam 3 along the length direction, two clamps 1 with opposite opening directions and used to fix the walking passage on the upper chord of the grid frame are respectively fixedly installed, and two clamping openings for corresponding clamping of two adjacent upper chords of the grid frame are respectively formed on the two clamps 1. It should be noted that in this embodiment, the main beam 3 is an H-shaped steel beam, the secondary beam 6 is a channel steel, welded every 3m, and a connecting plate 5 with the same thickness as the web of the H-shaped steel beam is welded on the outside at the same time.

[0022] Further, two groups of protection components are respectively arranged on both sides of the walking passage. Each group of protection components includes several vertical rods 8 arranged at intervals along the length direction of the main beam 3 and vertically and fixedly connected to the main beam 3, and several cross rods 9 vertically and fixedly connected to the several vertical rods 8. Preferably, two fixing rods 2 are respectively fixedly installed at both ends of the bottom of the main beam 3 along the length direction, and the two clamps 1 are respectively fixedly connected to the corresponding fixing rods 2. In this embodiment, both the vertical rods 8 and the cross rods 9 are round steel pipes, the cross rods 9 and the vertical rods 8 are welded by fillet welds. When laying the grating plate 7, a welding position between the vertical rod 8 and the upper flange plate of the main beam 3 is reserved. The fixing rod 2 is an angle steel, the clamp 1 is a U-shaped round steel, and is fully penetrated and welded with the angle steel. During operation, the upper chord of the grid frame is inserted into the clamping opening through the U-shaped round steel.

[0023] Furthermore, a toe board 4 is fixedly installed on the top of each main beam 3. The toe board 4 passes through the corresponding group of vertical rods 8 and two ear plates 10 for hoisting are respectively installed at both ends along the length direction. Slots for passing through the corresponding toe board 4 are respectively formed on each group of vertical rods 8. It should be noted that in this embodiment, the toe board is welded to the vertical rod 8 and the main beam 3 by single-sided fillet welds.

[0024] Parts not involved in the utility model are the same as or can be implemented by using the prior art. Although the embodiments of the utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A chord operation platform for assembling a grid frame, characterized in that: It includes two main beams arranged in parallel, a plurality of secondary beams arranged at intervals along the length direction of the main beams and vertically fixedly connected between the two main beams, and grating plates laid on the plurality of secondary beams. The two main beams, the plurality of secondary beams and the grating plates are connected to each other to form a walking passage for operation. Two clamps with opposite opening directions for fixing the walking passage to the upper chord of the grid are respectively fixedly installed at both ends of the main beams along the length direction, and two clamping holes for corresponding clamping of two adjacent upper chords of the grid are respectively formed on the two clamps.

2. The chord operation platform for assembling a grid frame according to claim 1, characterized in that: Two groups of protection components are respectively provided on both sides of the walking passage, and each group of the protection components includes a plurality of vertical poles which are arranged at intervals along the length direction of the main beam and vertically fixedly connected to the main beam, and a plurality of horizontal poles which are vertically fixedly connected to the plurality of the vertical poles.

3. The chord operation platform for assembling a grid frame according to claim 1, characterized in that: Two fixing rods are respectively fixedly installed at both ends of the bottom of the main beam along the length direction, and the two clamps are respectively fixedly connected to the corresponding fixing rods.

4. The chord operation platform for assembling a grid frame according to claim 2, characterized in that: A foot plate is fixedly installed on the top of each main beam. The foot plate passes through each corresponding group of vertical poles and two ear plates for hoisting are respectively installed at both ends along the length direction.

5. The chord operation platform for assembling a grid frame according to claim 4, characterized in that: Each group of the vertical rods is provided with a slot for the corresponding foot guard to pass through.

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