Anti-falling building construction platform

Abstract

An anti-falling building construction platform belongs to the technical field of building construction safety and comprises a platform base, brake assemblies and an emergency brake circuit element, the brake assemblies are symmetrically arranged on the left side face and the right side face of the platform base, and each brake assembly comprises an electromagnet, a rack, a gear, a movable shaft, an eccentric half gear and a brake column. The emergency braking circuit elements are arranged on the left side and the right side of the electromagnet respectively, each emergency braking circuit element comprises a power source positive electrode, a power source negative electrode, a limiting block, a spring and a magnetic ball, when the platform accidentally topples over or falls due to instability, the emergency braking device can respond rapidly, a conductive path is formed through the magnetic balls, the power source positive electrodes and the power source negative electrodes, and an emergency braking mechanism is triggered. According to the utility model, the falling distance can be obviously reduced, workers are protected from being hurt, the safety of the operation platform is greatly improved, the whole emergency braking process does not need manual intervention and is completely realized by the automatic matching of a physical principle and a mechanical structure, and the efficiency and the reliability of emergency treatment are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to building construction safety technical field, concretely is a kind of anti-falling building construction platform. BACKGROUND

[0002] In the building construction process, the safety of construction platform is crucial, and the existing anti-falling device mostly relies on single braking mode, such as only through rack and pinion transmission or hydraulic system to realize braking. These methods may have the risk of failure in extreme cases. Therefore, we propose an anti-falling building construction platform. UTILITY MODEL CONTENT

[0003] In view of the deficiencies of the prior art, the utility model provides an anti-falling building construction platform to solve the above problems.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: an anti-falling building construction platform, comprising a platform base, a brake assembly and an emergency brake circuit element, an active door is installed on the front side of the platform base through a hinge, and an observation window is arranged on the upper part of the left and right side walls and the upper part of the rear side wall of the platform base, wherein:

[0005] Four safety hangers are fixedly arranged at the four corner positions of the inner wall of the top surface of the platform base, and a rope block is arranged at the four corner positions of the left and right side walls of the platform base, and a safety rope passes through the rope block and the safety hanger and is connected with a safety hook on the clothing of the staff inside the platform base;

[0006] The brake assembly is symmetrically arranged at the left and right side positions of the platform base, and the brake assembly comprises an electromagnet, a rack, a gear, a movable shaft, an eccentric half gear and a brake column, the electromagnet is arranged at the center position of the left and right side surfaces of the platform base, the rack is movably arranged below the electromagnet, the gears are symmetrically arranged at the left and right sides of the rack, the gears are engaged with the rack, one end of the movable shaft is fixedly installed at the center of the gear, the other end of the movable shaft is fixedly connected with the eccentric position of the eccentric half gear, the brake column is arranged between the two eccentric half gears, the upper end of the brake column is fixedly connected with the top surface of the building, and the lower end of the brake column is fixedly connected with the ground; when the electromagnet is powered, the rack is attracted upward, the rack drives the two eccentric half gears to rotate synchronously through the gear and the movable shaft, and the teeth arranged on the eccentric half gear press the brake column;

[0007] Emergency brake circuit elements are arranged on the left and right sides of the electromagnet, and the emergency brake circuit elements comprise a power supply positive pole, a power supply negative pole, a limiting block, a spring and a magnetic ball, the power supply positive pole and the power supply negative pole are arranged on the left and right sides of the platform base and located on the left and right sides of the electromagnet, the power supply positive pole and the power supply negative pole are on the same horizontal line, and an opening is arranged between the power supply positive pole and the power supply negative pole, the limiting block is fixedly arranged above the opening, the upper end of the spring is fixedly arranged on the lower surface of the limiting block, the lower end of the spring is fixedly connected with the magnetic ball, the magnetic ball is hung below the opening through the spring, and the diameter of the magnetic ball is equal to the width of the opening.

[0008] Further, the left and right sides of the platform base are respectively provided with sliding grooves for placing the racks, and the lower ends of the racks are movably inserted into the sliding grooves.

[0009] Compared with the prior art, the utility model has the following beneficial effects:

[0010] 1, when the building construction platform is accidentally tilted or falls, the utility model can respond quickly, the power supply positive and negative poles move downward, the flexible suspended magnetic ball keeps its initial position under the action of inertia, the magnetic ball just enters the opening between the power supply positive and negative poles, the power supply positive and negative poles form a conductive path, and the brake assembly is triggered to act, the quick response emergency brake system can significantly reduce the falling distance, protect the workers from injury, greatly improve the safety of the operation platform, the entire emergency brake process does not need manual intervention, and is completely realized by automatic cooperation of physical principles (such as magnetic force and spring) and mechanical structures (such as gears and eccentric half gears), the efficiency and reliability of emergency handling are improved.

[0011] 2, the components such as the magnetic ball, the spring, the electric interface and the gear involved in the utility model are miniaturized designs, are convenient for integration into the platform structure, do not excessively increase the volume and weight of the platform, and are also convenient for operation during installation and maintenance, the close connection between the magnetic ball and the electric interface depends on the magnetic force, the connection mode can still maintain good stability under vibration or impact environment, is not prone to failure due to external interference, and the reliability of the emergency brake function is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a front view of the utility model;

[0013] Fig. 2 It is a left view of the utility model;

[0014] Fig. 3 It is a brake assembly schematic view.

[0015] In the figure: 1 is a platform base, 2 is a movable door, 3 is a hinge, 4 is an observation window, 5 is a safety ring, 6 is a rope block, 7 is a negative pole of a power supply, 8 is an electromagnet, 9 is a rack, 10 is a gear, 11 is a movable shaft, 12 is an eccentric half gear, 13 is a brake column, 14 is a positive pole of a power supply, 15 is a limiting block, 16 is a spring, and 17 is a magnetic force ball. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0017] Please refer to Figs. 1-3 A kind of anti-falling construction platform, including platform base 1, brake assembly and emergency brake circuit element, movable door 2 is installed on the front side of platform base 1 by hinge 3, the upper portion of the left and right side walls of platform base 1 and the upper portion of rear side wall are provided with observation window 4 respectively, wherein:

[0018] Four safety rings 5 are fixedly arranged at the positions of the four corners of the inner wall of the top surface of platform base 1, rope blocks 6 are arranged at the positions of the four corners of the left and right side walls of platform base 1, and a safety rope passes through the rope blocks 6 and the safety rings 5 and is connected with safety hooks on the clothes of workers in platform base 1;

[0019] The brake assembly is symmetrically arranged at the left and right side positions of platform base 1, and the brake assembly includes an electromagnet 8, a rack 9, a gear 10, a movable shaft 11, an eccentric half gear 12 and a brake column 13. The electromagnet 8 is arranged at the center position of the left and right side surfaces of platform base 1 respectively. The rack 9 is movably arranged below the electromagnet 8. The left and right sides of the rack 9 are symmetrically provided with the gear 10. The gear 10 is engaged with the rack 9. One end of the movable shaft 11 is fixedly installed at the center of the gear 10. The other end of the movable shaft 11 is fixedly connected with the eccentric position of the eccentric half gear 12. The brake column 13 is arranged between the two eccentric half gears 12. The upper end of the brake column 13 is fixedly connected with the top surface of a building. The lower end of the brake column 13 is fixedly connected with the ground. When the electromagnet 8 is powered, the rack 9 moves upward. The rack 9 drives the two eccentric half gears 12 to rotate synchronously through the gear 10 and the movable shaft 11. The teeth arranged on the eccentric half gear 12 press the brake column 13, increasing the friction with the brake column 13, thereby achieving the effect of emergency braking.

[0020] Emergency braking circuit elements are arranged on the left and right sides of the electromagnet 8, and the emergency braking circuit elements comprise a power supply positive pole 14, a power supply negative pole 7, a limiting block 15, a spring 16 and a magnetic ball 17, the power supply positive pole 14 and the power supply negative pole 7 are arranged on the left and right side surfaces of the platform base 1 and are located on the left and right sides of the electromagnet 8, the power supply positive pole 14 and the power supply negative pole 7 are on the same horizontal line, and a gap is arranged between the power supply positive pole 14 and the power supply negative pole 7, the limiting block 15 is fixedly arranged directly above the gap, the upper end of the spring 16 is fixedly arranged on the lower surface of the limiting block 15, the lower end of the spring 16 is fixedly connected with the magnetic ball 17, the magnetic ball 17 is suspended below the gap through the spring 16, and the diameter of the magnetic ball 17 is equal to the width of the gap, when the building construction platform accidentally falls or loses stability and falls, the power supply positive pole and the power supply negative pole move downward together with the building construction platform, the flexible suspended magnetic ball keeps its initial position due to inertia, so that the magnetic ball just enters the gap between the power supply positive pole and the power supply negative pole and is magnetically attracted to the power supply positive pole and the power supply negative pole, so that the power supply positive pole and the power supply negative pole form a conductive path, and then the braking assembly is triggered to act.

[0021] Further, the left and right side surfaces of the platform base 1 are respectively provided with sliding grooves for placing the rack 9, and the lower end of the rack 9 is movably inserted into the sliding grooves.

[0022] Working principle:

[0023] The movable door 2 is arranged on the platform base 1 through the hinge 3, the workers enter the platform base 1 through the movable door 2, the safety rope passes through the rope block 6, the safety ring 5 and is connected with the safety hook on the clothes of the workers in the platform base 1, then the platform base 1 is raised or lowered to a predetermined position, and the workers observe the construction environment or perform construction operation through the observation window 4.

[0024] When the platform falls or loses stability and falls, the power supply positive pole and the power supply negative pole move downward together with the building construction platform, the flexible suspended magnetic ball 17 keeps its initial position due to inertia, so that the magnetic ball 17 just enters the gap between the power supply positive pole and the power supply negative pole and is magnetically attracted to the power supply positive pole and the power supply negative pole, so that the power supply positive pole and the power supply negative pole form a conductive path, and then the braking assembly is triggered to act: the electromagnet 8 generates a magnetic field after receiving current to attract the rack 9 to move upward, the rack 9 drives the two side eccentric half gears 12 to synchronously rotate through the gear 10 and the movable shaft 11, the teeth arranged on the eccentric half gear 12 press the brake column 13 to increase the friction force with the brake column 13, and then the effect of emergency braking is achieved.

[0025] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A kind of anti-falling construction platform, comprising platform base (1), brake assembly and emergency brake circuit element, movable door (2) is installed on the front side of platform base (1) by hinge (3), the upper portion of left and right side walls of platform base (1) and the upper portion of rear side wall are respectively provided with observation window (4), characterized in that: Four safety hangers (5) are respectively fixedly arranged at the positions of the four corners of the inner wall of the top surface of platform base (1), and rope blocks (6) are respectively arranged at the positions of the four corners of the left and right side walls of platform base (1), a safety rope passes through the rope blocks (6) and the safety hangers (5) and is connected with a safety hook on the clothing of a worker in platform base (1); The brake assembly is symmetrically arranged at the positions of the left and right sides of platform base (1), and comprises electromagnet (8), rack (9), gear (10), movable shaft (11), eccentric half gear (12) and brake column (13), electromagnet (8) is respectively arranged at the central positions of the left and right sides of platform base (1), rack (9) is movably arranged below electromagnet (8), gear (10) is symmetrically arranged at the left and right sides of rack (9), gear (10) is engaged with rack (9), one end of movable shaft (11) is fixedly installed at the center of gear (10), the other end of movable shaft (11) is fixedly connected with the eccentric position of eccentric half gear (12), brake column (13) is arranged between the two eccentric half gears (12), the upper end of brake column (13) is fixedly connected with the top surface of a building, and the lower end of brake column (13) is fixedly connected with the ground; when electromagnet (8) is powered, rack (9) moves upward, rack (9) drives the two eccentric half gears (12) to rotate synchronously through gear (10) and movable shaft (11), and the teeth arranged on eccentric half gear (12) press brake column (13); Emergency brake circuit elements are respectively arranged at the left and right sides of electromagnet (8), and the emergency brake circuit elements comprise positive electrode (14), negative electrode (7), limiting block (15), spring (16) and magnetic ball (17), positive electrode (14) and negative electrode (7) are respectively installed on the left and right sides of platform base (1) and located at the two sides of electromagnet (8), positive electrode (14) and negative electrode (7) are on the same horizontal line, an opening is arranged between positive electrode (14) and negative electrode (7), limiting block (15) is fixedly arranged directly above the opening, the upper end of spring (16) is fixedly installed on the lower surface of limiting block (15), the lower end of spring (16) is fixedly connected with magnetic ball (17), magnetic ball (17) is hung directly below the opening by spring (16), and the diameter of magnetic ball (17) is equal to the width of the opening.

2. The fall arrest construction platform of claim 1, wherein: Sliding grooves for placing rack (9) are respectively arranged on the left and right sides of platform base (1), and the lower end of rack (9) is movably inserted into the sliding grooves.

Images