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Forced braking electric hoist

An electric hoist and brake lever technology, applied in the directions of portable lifting devices, hoisting devices, spring mechanisms, etc., can solve problems such as accidents and emergency braking.

Inactive Publication Date: 2018-02-02
CHIBI PUQI HOISTING & CONVEYING MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this type of brake is that it cannot be used for emergency braking. It needs to slide a certain distance from the beginning of the accident to the complete stop, and it needs to go through a long reaction process and deceleration process, which can still cause accidents.

Method used

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  • Forced braking electric hoist

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Embodiment Construction

[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

[0016] Such as figure 1 As shown, a forced braking electric hoist includes a reel 1, a ratchet wheel 2 is arranged on the reel 1, a speed sensor 3 is arranged on the output shaft 4 of the reel 1, and the speed sensor 3 The device 3 is connected to the speed controller 5, and the outer side of the reel 1 is provided with a connecting support plate 11, and the connecting support plate 11 is provided with a brake lever 7, and the brake lever 7 is fixed on the connecting support through an eccent...

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PUM

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Abstract

The invention discloses a forced brake type electric hoist, which comprises a reel, a ring of ratchets is arranged on the reel, a speed sensor is arranged on the output shaft of the reel, and the speed sensor is connected to a speed control On the device, the outside of the reel is provided with a connecting support plate, and the connecting support plate is provided with a brake lever. The brake lever is fixed on the connecting support plate through an eccentric wheel, and the brake lever is connected to to the speed controller. Beneficial effects of the present invention: the setting of the speed sensor can sense the rotational speed of the reel, and when the rotational speed exceeds the set speed, the rotational speed controller will control the brake parts to work, so that the pawl and the ratchet wheel are engaged to stop the reel smoothly, avoiding The phenomenon that the electric hoist falls and injures the staff or breaks the lifting goods.

Description

technical field [0001] The invention relates to the technical field of hoisting machinery, in particular to a forced braking electric hoist. Background technique [0002] Electric hoists are commonly used equipment in the lifting industry. In order to prevent uncontrolled falling during operation, sudden power failure or other emergency situations, they are generally equipped with brakes. Generally, the brakes are set on the starting motor or the reel. Band brakes or disc brakes. The deficiency of this brake is that emergency braking cannot be performed. It needs to slide down a certain distance from the beginning of the accident to a complete stop, and needs to go through a longer reaction process and deceleration process, which can still cause accidents. Contents of the invention [0003] Aiming at the problems in the related technologies, the present invention proposes a forced braking electric hoist, which can brake urgently when falling out of control. [0004] For ...

Claims

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Application Information

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IPC IPC(8): B66D3/18B66D1/54B66D1/48
CPCB66D3/18B66D1/48B66D1/54B66D2700/03
Inventor 徐东海雷云仙
Owner CHIBI PUQI HOISTING & CONVEYING MACHINERY