A reel safety braking device
A safety braking and reel technology, which is applied in safety devices, hoisting devices, transportation and packaging, etc., can solve the problems of large brake discs and complex braking systems, and achieve high safety performance, simple operation and excellent structure. compact effect
Active Publication Date: 2017-04-26
河南巨人起重机集团有限公司
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Problems solved by technology
The reel braking device realizes the braking of the reel by driving the brake disc with a hydraulic cylinder, and its disadvantages are: the braking device needs to be equipped with a special hydraulic pump station, and there are problems such as a complicated braking system and a large volume of the brake disc. shortcoming
Method used
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Embodiment Construction
[0008] This technical scheme is that paired braking devices are installed symmetrically at both ends of the reel 9, and can also be installed at the center of the reel. The specific implementation of the braking device is as follows: figure 1 As shown, the support seat 3 is connected with the body with bolts 4, the cover 2 is connected with the support seat 3 through bolts, the inner circle of the support seat is provided with teeth, and the outer circle of the inner ring 5 of the brake is provided with teeth and the support seat. 3 teeth meshed after assembly, bosses are evenly distributed on the inner end surface of the inner ring of the brake, assembly holes are arranged on the cover along the circumference, and the electromagnet 1 is installed in this assembly, and the inner The steps block and cannot move in the direction of the support seat. Brake springs 6 are installed at the adjacent places of each electromagnet, and brake hubs 7 are connected to the outer wall of the ...
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The invention discloses a coiling block safety brake device. A supporting base and a machine base are fixed through bolts, blocking covers are arranged on the two end faces of the supporting base and are connected through the bolts, teeth are formed on the inner circle of the supporting base, teeth which are assembled with the supporting base and then are meshed are formed on the outer circle of a brake device inner ring, steps are evenly distributed on the inner end face of the brake device inner ring, electromagnets are arranged in assembling holes which are formed in the blocking covers along the circumference, brake springs are arranged at the adjacent positions of the electromagnets, a brake hub is connected to the outer wall of a coiling block, and grooves formed in the end face of the brake hub are matched with the steps evenly distributed on the inner end face of the brake device inner ring for performing braking. According to the technical scheme, the electromagnets are adopted to drive the brake hub to move, when the coiling block rapidly descends, the emergent braking can be achieved, meanwhile, resetting of the brake hub is achieved through the springs, and the coiling block safety brake device has the advantages of being compact in structure, easy to operate, reliable in brake, long in service life, high in safety performance and the like.
Description
technical field [0001] The invention relates to a reel safety brake device, which is especially suitable for the failure of the reel transmission mechanism or the transmission device of ordinary cranes and winches. Background technique [0002] The patent number authorized by the Chinese Patent Office is CN201020667376.5, and the patent name is "Disc Safety Braking Device for Coal Mine Overhead Passenger Device". The device includes a brake disc, a disc brake, a speed sensor, and a signal controller. And the hydraulic device, a brake disc and a magnetic steel ring fixedly connected with the driving wheel are arranged on the side of the wire rope driving wheel, the magnetic steel ring is set to be fixedly connected with the driving wheel through a bracket, and a disc brake is arranged on the brake disc The brake shoe of the disc brake is set to be connected to the brake disc in contact, the speed sensor is set to be connected to the magnetic steel ring, the speed sensor is se...
Claims
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IPC IPC(8): B66C15/00B66D1/54
Inventor 杨用增安林超朱绘丽司尧华张盼盼张智帆常岚郭云霞
Owner 河南巨人起重机集团有限公司