A fabricated let-in edge hole opening protection device and a construction method thereof

Abstract

The application discloses an assembled let-pressure edge hole opening protection device and a construction method thereof, and belongs to the technical field of building construction. The assembled let-pressure edge hole opening protection device comprises a baffle main body, a let-pressure device and a main body structure. The baffle main body is of an assembled structure and is composed of an observation plate and a blocking plate. The observation plate and the blocking plate are connected through a buckle structure to form a whole. The let-pressure device is connected with the main body structure through high-strength screws. When the let-pressure device is subjected to impact load, the self structure of the let-pressure device is deformed to achieve the effect of absorbing energy. The application further provides a construction method of the assembled let-pressure edge hole opening protection device. The let-pressure device can effectively reduce the damage of impact load to the protection device, improve the safety performance of the whole structure, reduce the manpower maintenance cost, comprehensively reduce the cost in the whole life cycle, and is widely applicable to the protection work of edge hole openings in the construction process of various building structures.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of construction safety protection, in particular to an assembled pressure-allowing edge hole protection device and a construction method thereof. BACKGROUND

[0002] In the actual construction process, the staff mobility is large, the construction node is complex, and there are safety hazards at the edge hole. High-altitude falling is the most likely accident to occur at the construction site, and most accidents occur in edge operation, hole operation, and high-altitude operation such as scaffold support.

[0003] The traditional edge hole protection device mostly uses simple wooden boards or steel pipes for protection, which has low strength, poor corrosion resistance, and is prone to safety accidents. Although the use of steel pipes for protection can withstand high static load, when the protection device is subjected to impact load, the connection between the protection device and the main structure is prone to sudden shear force and damage. Moreover, for high-rise building structures, the traditional whole plate hoisting and transportation are not convenient, and the late recycling is also difficult, which does not meet the sustainable development strategy. SUMMARY

[0004] In view of the deficiencies in the prior art, the purpose of the present application is to provide an assembled pressure-allowing edge hole protection device and a construction method thereof to solve the problems mentioned in the background art.

[0005] The above-mentioned purpose of the present application is realized by the following technical solutions:

[0006] An assembled pressure-allowing edge hole protection device, comprising a baffle body, a structural wall body is arranged on one side of the baffle body, a pressure-allowing device is connected to the baffle body through a load-bearing rod, the load borne by the baffle body is transmitted to the main structure through the pressure-allowing device, and the baffle body is of an assembled structure.

[0007] In a preferred example, the baffle body can further comprise an observation plate, a blocking plate, and a buckle, the observation plate is provided with a transverse hollow slot, the length and thickness of the hollow slot are matched with the baffle, the buckle is arranged at the connection between the observation plate and the blocking plate, the buckle is connected with the baffle body through a screw, and a cushion block is arranged below the baffle body.

[0008] In a preferred example, the pressure-allowing device is connected with the main structure through a reserved fixing opening, the pressure-allowing device comprises a first limiting groove, a second limiting groove, a third limiting groove, and corresponding connecting channels, the first limiting groove, the second limiting groove, and the third limiting groove are arranged in sequence along the side close to the baffle body and away from the side, and the size decreases in sequence, the pressure-allowing device further comprises a plurality of load-bearing rods, and the load-bearing rods are connected with the baffle body.

[0009] The application can be further configured in a preferred example that the load-bearing rod comprises a spherical body and a rod body, and the spherical body and the rod body are threadedly connected.

[0010] The application can be further configured in a preferred example that the pressure-relief device is made of geopolymer concrete, and the geopolymer concrete comprises the following components in parts by weight: 170-190 parts of red mud, 5-6 parts of polyvinyl chloride powder, 48-70 parts of slag, 15-23 parts of silica fume, 935-1010 parts of crushed stone, 580-600 parts of medium sand, 568-72 parts of sodium silicate solution, 8-10 parts of sodium hydroxide, and 88-100 parts of mixing water.

[0011] A construction method of an assembled pressure-relief edge hole protection device, comprising the following steps:

[0012] (1) According to the size of the hole, the size of the protection device is designed, and the pressure-relief device is locally made;

[0013] (2) Clean the site and clean the hole;

[0014] (3) Connect the load-bearing rod and the baffle body through screws, pass the rod body through the first limiting groove, and connect the rod body and the spherical body through the threaded structure to form a limiting structure;

[0015] (4) Fix the pressure-relief device on the main body structure through screws, add a filler in the gap between the baffle and the main body structure, and check whether each connection is standard;

[0016] (5) After the construction is completed, the baffle body part is recycled and reused next time.

[0017] In summary, the application has at least one of the following beneficial technical effects:

[0018] 1. The pressure-relief device body is made of geopolymer concrete, which is easy to obtain on the construction site and has high strength and safe and reliable structure; the excellent corrosion resistance and high temperature resistance of geopolymer concrete can increase its service life, improve its number of repeated use, significantly reduce the safety hazards caused by chloride ion corrosion and fire damage, and geopolymer concrete is more low-carbon and environmentally friendly than ordinary concrete, in line with the concept of green and sustainable development;

[0019] 2. The baffle body adopts a prefabricated structure, which can be uniformly produced and maintained in the factory and assembled on site to effectively improve the construction efficiency, and further set up an observation area to observe the inside of the hole and play a warning role;

[0020] 3. The pressure relief device can absorb the energy of the impact load by deforming itself, increase the safety factor of the structure, reduce the safety hidden danger, and effectively prevent secondary hazards caused by impact load. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is the overall structure schematic diagram of the technical solution;

[0022] Figure 2 is the structural schematic diagram of the baffle body;

[0023] Figure 3 is the structural schematic diagram of the pressure relief device from the first perspective;

[0024] Figure 4 is the structural schematic diagram of the pressure relief device from the second perspective;

[0025] Figure 5 is the structural schematic diagram of the load-bearing rod.

[0026] Reference signs: 1, baffle body; 11, blocking plate; 111, hollow groove; 12, observation plate; 13, buckle; 14, cushion block; 2, pressure relief device; 21, first limiting groove; 22, second limiting groove; 23, third limiting groove; 24, connecting channel; 25, load-bearing rod; 251, spherical body; 252, rod body; 26, reserved fixing port; 3, retaining wall body. DETAILED DESCRIPTION

[0027] The application will be further described in detail below with reference to the accompanying drawings.

[0028] As shown in Figures 1-5 , the application discloses an assembled pressure relief edge hole protection device, which comprises a baffle body 1, a structural wall 3 arranged on one side of the baffle body 1, a pressure relief device 2 connected to the baffle body 1 through a load-bearing rod 25, and a baffle body 1 and a pressure relief device 2 connected to form an integral whole. The load borne by the baffle body 1 is transmitted to the main structure through the pressure relief device 2, and the baffle body 1 is of an assembled structure.

[0029] The baffle body 1 comprises an observation plate 12, a blocking plate and a buckle 13. The observation plate 12 and the blocking plate 11 are both 2.5 cm thick steel plates. The observation plate 12 is provided with a transverse hollow groove 111, and the length and thickness of the hollow groove 111 are matched with those of the baffle. The buckle 13 is arranged at the connecting position of the observation plate 12 and the blocking plate 11. The buckle 13 is a 4.5 cm diameter cylinder, and the thickness of the buckle 13 is half of that of the baffle body 1. The buckle 13 is connected to the baffle body 1 through a screw to form an integral whole. The baffle body 1 is provided below with a cushion block 14 made of high molecular polyethylene foam, which can play a supporting and buffering role.

[0030] The pressure relief device 2 is connected to the main structure through the reserved fixed port 26, and the pressure relief device 2 comprises a first limiting groove 21, a second limiting groove 22, a third limiting groove 23 and a corresponding connecting channel 24, the first limiting groove 21, the second limiting groove 22 and the third limiting groove 23 are arranged in sequence from the side close to the baffle main body 1 to the side away from the baffle main body 1, and the sizes are sequentially reduced, and the pressure relief device 2 further comprises a plurality of load-bearing rods 25, the load-bearing rods 25 are connected to the baffle main body 1, and the load-bearing rods 25 are connected through the connecting channel 24 between each limiting groove.

[0031] The load-bearing rod 25 comprises a spherical body 251 and a rod body 252, and the spherical body 251 and the rod body 252 are threadedly connected. The pressure relief device 2 has a hole structure at the bottom, which can pass through the spherical body 251, the diameter of the spherical body 251 is 2.5 cm, which is matched with the hole structure at the bottom of the pressure relief device 2, the diameter of the load-bearing rod 25 is 2 cm, the number of the load-bearing rods 25 in the figure is 3, and the load-bearing rods 25 are connected to the baffle main body 1 through screws.

[0032] The pressure relief device 2 is made of geopolymer concrete, and the geopolymer concrete comprises the following components in parts by weight: 170-190 parts of red mud, 5-6 parts of polyvinyl chloride powder, 48-70 parts of slag, 15-23 parts of silica fume, 935-1010 parts of crushed stone, 580-600 parts of medium sand, 568-72 parts of sodium silicate solution, 8-10 parts of sodium hydroxide and 88-100 parts of mixing water. In the technical solution, specifically, 182 parts of red mud, 5 parts of polyvinyl chloride powder, 55 parts of slag, 20 parts of silica fume, 1001 parts of crushed stone, 580 parts of medium sand, 600 parts of sodium silicate solution, 8 parts of sodium hydroxide and 95 parts of mixing water are used.

[0033] A construction method of an assembled pressure relief edge hole protection device, comprising the following steps:

[0034] (1) According to the size of the hole, the size of the protection device is reasonably designed, the on-site resource advantage is utilized, the geopolymer concrete pressure relief device 2 is locally made, and corresponding maintenance is carried out, and regular inspection is carried out;

[0035] (2) Clean the site, remove the loose concrete near the hole, and ensure stable and reliable installation;

[0036] (3) The load-bearing rod 25 is connected to the baffle main body 1 through the screw, the rod body 252 is inserted into the first limiting groove 21, and the limiting structure is formed by connecting the rod body 252 and the spherical body 251 through the threaded structure;

[0037] (4) The pressure relief device 2 is fixed on the main structure through the screw, and high molecular polyethylene sponge is added as filling between the baffle and the main structure, and whether each connection is standard is checked;

[0038] (5) After the construction is completed, the baffle main body 1 is recycled, and is ready for reuse next time.

[0039] The embodiments of the present application are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, and thus: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A prefabricated yield edge opening protection device, comprising a baffle body (1), one side of the baffle body is provided with a structural wall (3), characterized in that, The baffle body (1) is connected with the pressure relief device (2) through the load-bearing rod (25), the load borne by the baffle body (1) is transmitted to the main structure through the pressure relief device (2), and the baffle body (1) is of an assembled structure; The pressure relief device (2) is connected with the main structure through the reserved fixing opening (26), the pressure relief device (2) comprises a first limiting groove (21), a second limiting groove (22), a third limiting groove (23) and corresponding connecting channels (24), the first limiting groove (21), the second limiting groove (22) and the third limiting groove (23) are arranged in sequence from the side close to the baffle body (1) to the side away from the baffle body (1) and decrease in size in sequence, and the pressure relief device (2) further comprises a plurality of load-bearing rods (25), and the load-bearing rods (25) are connected with the baffle body (1).

2. The assembled yielding edge opening guard according to claim 1, wherein, The baffle body (1) comprises an observation plate (12), a blocking plate and a buckle (13), the observation plate (12) is provided with a transverse hollow groove (111), the length and thickness of the hollow groove (111) are matched with the baffle, the buckle (13) is arranged at the connecting position of the observation plate (12) and the blocking plate (11), the buckle (13) is connected with the baffle body (1) through a screw, and a cushion block (14) is arranged below the baffle body (1).

3. The assembled yielding edge opening guard according to claim 1, wherein, The load-bearing rod (25) comprises a spherical body (251) and a rod body (252), and the spherical body (251) and the rod body (252) are threadedly connected.

4. The assembled yielding edge opening guard according to claim 1, wherein, The pressure relief device (2) is made of geopolymer concrete, and the geopolymer concrete comprises the following components in parts by weight: 170-190 parts of red mud, 5-6 parts of polyvinyl chloride powder, 48-70 parts of slag, 15-23 parts of silica fume, 935-1010 parts of crushed stone, 580-600 parts of medium sand, 568-72 parts of sodium silicate solution, 8-10 parts of sodium hydroxide and 88-100 parts of mixing water.

5. A construction method of an assembled yielding edge hole opening protection device, characterized in that, The assembled pressure relief edge hole protection device according to claim 3 comprises the following steps: (1) according to the size of the hole, the size of the protection device is designed, and the pressure relief device (2) is made on site; (2) clean the site and clean the hole; (3) connect the load-bearing rod (25) with the baffle body (1) through a screw, pass the rod body (252) through the first limiting groove (21), and connect the spherical body (251) through a threaded structure to form a limiting structure; (4) fix the pressure relief device (2) on the main structure through a screw, add a filler in the gap between the baffle and the main structure, and check whether each connecting position is standard; (5) after the construction is completed, the baffle body (1) is recycled and reused next time.

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