Building construction tower crane safety device
Technical Field
The utility model relates to the technical field of building tower cranes, in particular to a building construction tower crane safety protection device.
Background
The tower crane is a lifting device which is most commonly used on a building site, is also called as a tower crane, and is used for lifting construction raw materials such as steel bars, wood edges, concrete, steel pipes and the like for construction by lengthening one section (high) (short for "standard section"). The tower crane is an indispensable on the site.
According to chinese patent of application number 202022307997.9, a safety device for building tower crane is disclosed, including tower body and protection component, protection component fixed mounting is at the surface of tower body, the tower body includes bearing bar and reinforcing bar, and reinforcing bar's both ends all with bearing bar fixed connection, protection component includes rail guard, extension board and lag, and rail guard fixed mounting is at the surface of tower body, and extension board fixed mounting is at the lower extreme of rail guard, and the lag setting is at the lower extreme of rail guard, and fixed mounting is at the surface of tower body.
By adopting the scheme, the problems that the existing tower crane is higher in distance from the ground, workers have potential safety hazards when the tower crane goes up and down, objects falling in the high altitude are very dangerous, and the safety performance is not high are solved, but the scheme is provided with the safety protection device, when a tool falls, the tool has four dead zones, the safety protection performance is poor when the tool falls on an elastic plate, and the tool vibrates greatly when the tool falls on the elastic plate; therefore, we provide a safety protection device for a building construction tower crane, which solves the problems.
Disclosure of utility model
The utility model aims to make up the defects of the prior art and provides a safety protection device for a building tower.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a construction tower crane safety device, includes the plectane, the surface fixed connection of plectane has the connection rectangular board, the surface fixed connection warning sign of connection rectangular board, the inside of plectane contacts there is the tower crane body, the top of plectane is provided with the disc, the inside and the surface sliding connection of tower crane body of disc, the surface fixed connection of disc has the elasticity plectane, the inside of elasticity plectane contacts with the surface of tower crane body, the upper surface of plectane is provided with damper.
Further, the upper surface fixedly connected with first fixed plate of plectane, the inside threaded connection of first fixed plate has first screw, the left surface of first fixed plate contacts with the surface of tower crane body, the inside threaded connection of first fixed plate has the second screw.
Further, the surface sliding connection of first screw has the second fixed plate, the surface of second screw and the inside sliding connection of second fixed plate, the surface of second fixed plate contacts with the surface of tower crane body, the surface of second fixed plate contacts with the bottom surface of plectane, the bottom surface fixedly connected with fourth fixed plate of plectane, the inside threaded connection of fourth fixed plate has the third screw.
Further, the inside threaded connection of fourth fixed plate has the fourth screw, the left surface of fourth fixed plate contacts with the surface of tower crane body, the surface sliding connection of third screw has the third fixed plate, the surface of fourth screw and the inside sliding connection of third fixed plate, the surface of third fixed plate contacts with the surface of tower crane body.
Further, the damping mechanism comprises a sliding cylinder, one end of the sliding cylinder is fixedly connected with the upper surface of the circular plate, a sliding rod is connected inside the sliding cylinder in a sliding mode, and one end of the sliding rod is fixedly connected with the circular plate.
Further, a spring is fixedly connected to the bottom surface of the connecting circular plate, one end of the spring is fixedly connected with the upper surface of the circular plate, and the upper surface of the connecting circular plate is fixedly connected with the outer surface of the circular plate.
Compared with the prior art, the safety protection device for the building tower has the following beneficial effects:
According to the utility model, by arranging the disc and the elastic circular plate, when tools of staff fall off, the tool can be safely protected without dead angles, and by arranging the warning board, passers-by can be warned to avoid approaching the device, so that accidents are reduced.
According to the utility model, the damping mechanism is arranged to damp the dropped tool, so that the vibration of the tool when the tool drops on the elastic circular plate is reduced, and the damping mechanism has strong damping performance and safety performance.
Drawings
FIG. 1 is a schematic perspective elevation view of the present utility model;
FIG. 2 is an enlarged schematic view of FIG. 1A according to the present utility model;
FIG. 3 is a schematic top perspective view of the present utility model;
Fig. 4 is a schematic cross-sectional perspective view of a shock absorbing mechanism according to the present utility model.
In the figure: 1. a circular plate; 2. connecting rectangular plates; 3. a warning board; 4. a tower crane body; 5. a disc; 6. an elastic circular plate; 7. a damping mechanism; 701. a connecting circular plate; 702. a spring; 703. a slide bar; 704. a slide cylinder; 8. a first fixing plate; 9. a second fixing plate; 10. a first screw; 11. a second screw; 12. a third fixing plate; 13. a fourth fixing plate; 14. a third screw; 15. and a fourth screw.
Description of the embodiments
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
The embodiment provides a construction tower crane safety device, and this safety device is used for carrying out safety protection to the instrument that drops on the tower crane, through setting up damper 7, can carry out the shock attenuation to the instrument that drops to the vibrations when having reduced to drop have stronger damping performance and security performance.
Referring to fig. 1-4, a building construction tower crane safety protection device comprises a circular plate 1, wherein the outer surface of the circular plate 1 is fixedly connected with a connecting rectangular plate 2, the outer surface of the connecting rectangular plate 2 is fixedly connected with a warning board 3, the inner part of the circular plate 1 is contacted with a tower crane body 4, a circular plate 5 is arranged above the circular plate 1, the inner part of the circular plate 5 is slidably connected with the outer surface of the tower crane body 4, the outer surface of the circular plate 5 is fixedly connected with an elastic circular plate 6, the inner part of the elastic circular plate 6 is contacted with the outer surface of the tower crane body 4, and the upper surface of the circular plate 1 is provided with a damping mechanism 7.
The upper surface fixedly connected with first fixed plate 8 of plectane 1, the inside threaded connection of first fixed plate 8 has first screw 10, and the left surface of first fixed plate 8 contacts with the surface of tower crane body 4, and the inside threaded connection of first fixed plate 8 has second screw 11.
The outer surface sliding connection of first screw 10 has second fixed plate 9, and the surface of second screw 11 and the inside sliding connection of second fixed plate 9, and the surface of second fixed plate 9 contacts with the surface of tower crane body 4, and the surface of second fixed plate 9 contacts with the bottom surface of plectane 1, and the bottom surface fixedly connected with fourth fixed plate 13 of plectane 1, and the inside threaded connection of fourth fixed plate 13 has third screw 14.
The inside threaded connection of fourth fixed plate 13 has fourth screw 15, and the left surface of fourth fixed plate 13 contacts with the surface of tower crane body 4, and the surface sliding connection of third screw 14 has third fixed plate 12, and the surface of fourth screw 15 and the inside sliding connection of third fixed plate 12, the surface of third fixed plate 12 contacts with the surface of tower crane body 4.
The damping mechanism 7 comprises a sliding cylinder 704, one end of the sliding cylinder 704 is fixedly connected with the upper surface of the circular plate 1, a sliding rod 703 is slidably connected in the sliding cylinder 704, and one end of the sliding rod 703 is fixedly connected with the circular plate 701
A spring 702 is fixedly connected to the bottom surface of the connection circular plate 701, one end of the spring 702 is fixedly connected to the upper surface of the circular plate 1, and the upper surface of the connection circular plate 701 is fixedly connected to the outer surface of the circular plate 5.
A rectangular hole is formed in the circular plate 1, the size of the rectangular hole is matched with the tower crane body 4, a rectangular hole is formed in the disc 5, the size of the rectangular hole is matched with the tower crane body 4, a rectangular hole is formed in the elastic circular plate 6, the size of the rectangular hole is matched with the tower crane body 4, a round sliding groove is formed in the sliding cylinder 704, the round sliding groove is matched with the outer surface of the sliding rod 703, the circular plate 701, the spring 702, the sliding rod 703 and the sliding cylinder 704 are connected, five threaded holes are formed in the sliding cylinder 704 and are formed in the upper surface of the circular plate 1, two threaded holes are formed in the first fixing plate 8, two threaded holes are formed in the second fixing plate 9, two round holes are formed in the second fixing plate 9, the first screw 10 and the second screw 11, two round holes are formed in the fourth fixing plate 13, two round holes are formed in the third screw 14 and the fourth screw 15, two round holes are matched with the third screw 15, the two round holes and the third screw 14 are formed in the third fixing plate 12, the second fixing plate 15 is not contacted with the outer surface of the disc 8, and the second fixing plate 8 is convenient to touch the outer surface of the disc 8, and the outer surface of the disc 8 is not contacted with the first fixing plate 5, and the outer surface of the disc 8 is convenient to set up.
Working principle: when the device is used, the first screw 10 and the second screw 11 are screwed firstly, the first screw 10 and the second screw 11 drive the second fixing plate 9 to move towards the first fixing plate 8 until the first screw 10 and the second screw 11 are screwed down and fixed, then the third screw 14 and the fourth screw 15 are screwed, the third screw 14 and the fourth screw 15 drive the third fixing plate 12 to move towards the fourth fixing plate 13, the device can be fixed on the outer surface of the tower crane body 4, when a worker on the tower crane carelessly drops tools when using the tools, the safety of the protection worker without dead angles can be ensured, the falling tools can be damped through the set damping mechanism 7, so that the vibration during falling is reduced, the specific working principle is that the disc 5 drives the connecting disc 701 through the elastic disc 6, the connecting disc 702 drives the spring 702 and the sliding rod 703 to slide downwards, the warning board 3 can be effectively carried out through the elasticity of the spring 702 and the elasticity of the elastic disc 6, and the warning board is prevented from approaching the device through the setting of the warning board 3, and the warning board can be avoided.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.