CN-121976683-A - Protection device for girder steel hoist and mount construction

Abstract

The invention discloses a protection device for steel beam hoisting construction, which belongs to the field of steel beam hoisting construction and comprises steel beams which are distributed symmetrically left and right, travelling wheel mechanisms are slidably arranged on flanges of the steel beams, the travelling wheel mechanisms are connected together through scaffold boards, a braking mechanism is arranged on one side, close to the steel beams, of each scaffold board and acts on the flanges of the steel beams, a hoisting mechanism is arranged below each scaffold board, lifting rings are arranged below the hoisting mechanism through anti-falling hooks, the lifting rings are arranged on outer edges of safety nets, and the safety nets are positioned below the scaffold boards. The invention not only can avoid frequent disassembly and assembly and improve the construction efficiency by adjusting the position of the travelling wheel mechanism, but also can realize accurate positioning and accidental displacement prevention by means of the braking mechanism, ensure the stability of the operation platform, and combine the interception buffer effect of the safety net arranged below the operation platform on personnel falling and object striking, thereby constructing a double-guarantee system of high-efficiency operation and multiple safety protection for high-altitude steel beam operation.

Inventors

• HUANG XUEMEI
• Zan Hongwen
• ZHANG SHUANG
• LIU QUE
• SUN DONGDONG
• Qi Fenglong
• XU LIANYING
• LIU JUNWEI
• CAO CHENG
• Qi Shouzheng
• LI GUOPENG
• ZHAO ZHI

Assignees

• 北京住总基础设施建设集团有限责任公司

Dates

Publication Date

20260505

Application Date

20260209

Claims (10)

1. 1. A protection device for steel beam hoisting construction is characterized by comprising steel beams (1) which are distributed in a bilateral symmetry mode, travelling wheel mechanisms (2) are slidably arranged on flanges of the steel beams (1), the travelling wheel mechanisms (2) are connected together through a scaffold board (7), a braking mechanism (8) is arranged on one side, close to the steel beams (1), of the scaffold board (7), the braking mechanism (8) acts on the flanges of the steel beams (1), hoisting mechanisms (3) are arranged below the scaffold board (7), hanging rings (5) are arranged below the hoisting mechanisms (3) through anti-falling hooks (4), the hanging rings (5) are arranged on the outer edges of safety nets (6), and the safety nets (6) are located below the scaffold board (7).
2. 2. The protection device for steel beam hoisting construction according to claim 1, wherein the travelling wheel mechanism (2) comprises mounting plates (201) symmetrically arranged on the left side and the right side of the steel beam (1), rotating shafts (202) are symmetrically arranged in the front-back direction of the upper ends of the mounting plates (201), travelling wheels (203) are arranged on the rotating shafts (202), and an adjusting mechanism is arranged between the lower end faces of the mounting plates (201).
3. 3. The steel beam hoisting construction protection device according to claim 2, wherein the adjusting mechanism comprises a middle threaded rod (205) positioned at the center and side threaded rods (206) symmetrically arranged at two sides of the middle threaded rod (205), two ends of the middle threaded rod (205)/the side threaded rod (206) are threaded parts, the threaded parts are in threaded connection with nuts (210), through holes (208) are symmetrically formed in the end parts of the threaded parts and the positions close to the middle, and the anti-falling pins (211) penetrate through the through holes (208) after penetrating through loosening holes in the nuts (210).
4. 4. A steel girder hoisting construction protection device according to claim 3, wherein the distance between the through holes (208) near the middle is smaller than the width of the steel girder (1).
5. 5. The steel beam hoisting construction protection device according to claim 3, wherein a baffle (209) is arranged between the nut (210) and the side wall of the steel beam (1).
6. 6. The protection device for steel beam hoisting construction according to claim 2, wherein symmetrically distributed mounting grooves (204) are formed in the front side wall and the rear side wall of the mounting plate (201), and U-shaped mounting plates (207) for connecting the scaffold plates (7) are arranged in the mounting grooves (204).
7. 7. The protection device for steel beam hoisting construction according to claim 2, wherein the hoisting mechanism (3) comprises an anti-slip pad (301) arranged at the middle position of the middle threaded rod (205), and the upper end of the anti-slip pad (301) is clamped with a lifting appliance (303) through a clamping ring (302).
8. 8. The steel beam hoisting construction protection device according to claim 7, wherein the upper end surface of the anti-skid pad (301) is provided with a groove matched with the lifting appliance (303), and the groove and the clamping ring (302) are matched with each other to prevent the lifting appliance (303) from moving.
9. 9. The protection device for steel beam hoisting construction according to claim 1, wherein the brake mechanism (8) comprises a base (801) arranged on the scaffold board (7), support rods (802) and guide posts (804) symmetrically distributed in the front-rear direction are respectively arranged on the upper end face of the base (801), the guide posts (804) are close to one side of the outer edge of the base (801), a pressing plate (803) is arranged on the upper end face of the support rods (802), guide holes for the guide posts (804) to run through are formed in the middle position of the pressing plate (803), springs (805) are sleeved on the guide posts (804) between the base (801) and the pressing plate (803), cams (807) are hinged between the front-rear anti-falling blocks (806), one small-radius side of each cam (807) is provided with a handle (808), one end of each pressing plate (803) far away from each support rod (802) extends downwards, and a brake pad (809) is arranged on each flange (1).
10. 10. The steel beam hoisting construction protection device according to claim 1, wherein an anti-slip layer matched with the cam (807) is arranged on the upper end surface of the pressing plate (803).

Description

Protection device for girder steel hoist and mount construction Technical Field The invention relates to the field of steel beam hoisting construction, in particular to a protection device for steel beam hoisting construction. Background The steel beam hoisting construction is an operation link with higher risk in the building engineering, and relates to a plurality of risk points such as hoisting machinery, overhead operation, material transfer and the like, and if the potential safety hazard is not managed and controlled in time, accidents such as collapse, falling, object striking and the like are easy to cause. The high-altitude operation has multiple potential safety hazards due to complex operation environment, limited space and large influence by external factors, and is easy to cause accidents such as falling, object striking, mechanical injury and the like. The protection operation of traditional high altitude construction work process is mostly through the mode of laying anti-skidding scaffold board on the girder steel, and scaffold board both ends are fixed on the girder steel edge of a wing with the iron wire. However, the protection mode is complicated to detach, especially the change of the working position, and frequent detachment and installation of constructors are needed, so that the efficiency is affected. In addition, the lower layer of the anti-skid scaffold board is not provided with a protective device, and once the anti-skid scaffold board is connected with the steel beam loose, safety accidents are easily caused. Based on the protection device, the protection device for the steel beam hoisting construction is provided. Disclosure of Invention The invention aims to provide a protection device for steel beam hoisting construction, which solves the problems. In order to solve the technical problems, the invention adopts the following technical scheme: The invention discloses a protection device for steel beam hoisting construction, which comprises steel beams which are distributed in a bilateral symmetry mode, travelling wheel mechanisms are slidably arranged on the flanges of the steel beams, the travelling wheel mechanisms are connected together through a scaffold board, a braking mechanism is arranged on one side, close to the steel beams, of the scaffold board and acts on the flanges of the steel beams, a hoisting mechanism is arranged below the scaffold board, hanging rings are arranged below the hoisting mechanism through anti-falling hooks, the hanging rings are arranged on the outer edges of a safety net, and the safety net is positioned below the scaffold board. Further, the travelling wheel mechanism comprises mounting plates symmetrically arranged on the left side and the right side of the steel beam, rotating shafts are symmetrically arranged at the upper ends of the mounting plates in the front-back direction, travelling wheels are arranged on the rotating shafts, and an adjusting mechanism is arranged between the lower end faces of the mounting plates. Further, the adjusting mechanism comprises a middle threaded rod positioned at the center position and side threaded rods symmetrically arranged at two sides of the middle threaded rod, two ends of the middle threaded rod/the side threaded rods are threaded parts, the threaded parts are in threaded connection with nuts, through holes are symmetrically formed in the end parts of the threaded parts and the positions close to the middle positions, and the anti-falling pins penetrate through the through holes after penetrating through loosening holes in the nuts. Further, the distance between the through holes near the middle is smaller than the width of the steel beam. Further, a baffle is arranged between the nut and the side wall of the steel beam. Further, symmetrically distributed mounting grooves are formed in the front side wall and the rear side wall of the mounting plate, and U-shaped mounting plates used for being connected with the scaffold plates are arranged in the mounting grooves. Further, the hoisting mechanism comprises an anti-slip pad arranged at the middle position of the middle threaded rod, and the upper end of the anti-slip pad is clamped with the hoisting tool through a clamping ring. Further, the upper end face of the anti-skid pad is provided with a groove matched with the lifting appliance, and the groove and the clamping ring are mutually matched to prevent the lifting appliance from moving. Further, the braking mechanism comprises a base arranged on the scaffold board, support rods and guide posts which are symmetrically distributed in the front-rear direction are respectively arranged on the upper end face of the base, the guide posts are close to one side of the outer edge of the base, a pressing plate is arranged on the upper end face of the support rods, guide holes for the guide posts to run through are formed in the middle positions of the pressing plate, springs are sleeved on the guide posts