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Braking device of electric block

A braking device and electric hoist technology, applied in hoisting devices, clockwork mechanisms, etc., can solve the problems of broken workers, reduced braking performance of the braking mechanism of the reducer, and easy damage to the scene

Inactive Publication Date: 2010-04-28
芜湖南起起重机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing electric hoist braking device is composed of a motor braking mechanism and a reduction gear braking mechanism. When the bearings, gears, gear shafts and other parts of the reducer are damaged or the braking mechanism of the motor and the reducer cannot be effectively braked, the heavy lifting object will have a downward impact under the action of gravity, which is easy to damage the work on site. Personnel or broken lifting goods

Method used

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  • Braking device of electric block
  • Braking device of electric block
  • Braking device of electric block

Examples

Experimental program
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Effect test

Embodiment Construction

[0014] Such as figure 1 , figure 2 , image 3 As shown, an electric hoist braking device is composed of a motor braking mechanism, a reducer braking mechanism and a drum forced braking mechanism. The drum forced braking mechanism includes a speed sensor connected to the extension end of the drum output shaft 10 Disk 9, the speed sensor 8 of the speed induction disk 9 rotating speed of perception speed sensor 8, the speed electric control part 5 that links to each other with speed sensor 8, ratchet 13, the ratchet mechanism 3 that is controlled by the speed electric control part 5, protective cover 11 and by The rotating speed electric control part 5 controls the action of the drum brake 7, the ratchet 13 is fixedly connected to the opposite end of the speed induction disk 9 of the reel 4, and has a gap with the motor 12, the position of the ratchet mechanism 3 is adapted to the ratchet 13, and the speed There is a space between the induction disk 9 and the reel bearing supp...

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Abstract

The invention discloses a braking device of an electric block, which consists of a motor braking mechanism, a speed reducer braking mechanism and a winding drum forcible braking mechanism, wherein the winding drum forcible braking mechanism comprises a speed sensing disk connected with a protruding end of a winding drum output shaft, a speed sensor for sensing the rotating speed of the speed sensing disk, a rotating speed electric control part connected with the speed sensor, a ratchet wheel and a pawl mechanism of which the motion is controlled by the rotating speed electric control part; the ratchet wheel is fixedly connected to opposite ends of the speed sensing disk of a winding drum; and the position of the pawl mechanism is adapted to the ratchet wheel. By adopting the structure, the braking device of the electric block increases the safety coefficients of the electric block, can keep good braking performance of the electric block for a long time, and avoids the phenomena that the electric block injures on-site workers or breaks lifted goods in work.

Description

technical field [0001] The invention relates to a hoisting device, in particular to an electric hoist braking device. Background technique [0002] The existing electric hoist braking device is composed of a motor braking mechanism and a reduction gear braking mechanism. When the bearings, gears, gear shafts and other parts of the reducer are damaged or the braking mechanism of the motor and the reducer cannot be effectively braked, the heavy lifting object will have a downward impact under the action of gravity, which is easy to damage the work on site. personnel or break the lifting goods. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an electric hoist braking device, which can maintain the excellent braking performance of the electric hoist for a long time, and avoid the occurrence of accidents when the electric hoist is in operation and hurts the staff on site or The phenomenon of breaking and lifting goo...

Claims

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Application Information

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IPC IPC(8): B66D5/00B66D5/24B66D5/08B66D1/54
Inventor 马宜海
Owner 芜湖南起起重机械有限公司
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