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Speed limiter for triggering elevator safe execution mechanism or device

A technology for actuators and speed limiters, applied in elevators, transportation and packaging, etc., can solve problems such as inability to operate, limit the application field of speed limiters, etc., achieve high reliability, low cost, and broaden the application field

Inactive Publication Date: 2015-03-11
SHANGHAI ELEVATORECH ELEVATOR ACCESSORIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The existing speed limiter can only operate at a speed exceeding the rated speed, and cannot operate at a speed lower than the rated speed, nor can it operate at a certain angle of rotation of the speed limiter, which limits the application field of the speed limiter

Method used

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  • Speed limiter for triggering elevator safe execution mechanism or device
  • Speed limiter for triggering elevator safe execution mechanism or device
  • Speed limiter for triggering elevator safe execution mechanism or device

Examples

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Embodiment Construction

[0025] In order to make the present invention more comprehensible, a preferred embodiment is described in detail below with accompanying drawings.

[0026] figure 2 Shown is a general diagram of a speed governor for triggering an elevator safety actuator or device provided by the present invention, and the speed governor for triggering an elevator safety actuator or device includes a U-shaped side plate 17, U Axle 14 and the sheave assembly 7 containing overspeed protection are housed in the type side plate 17, the sheave assembly 7 can rotate around the axle 14, a brake disc 13 is provided on the sheave assembly 7, and a brake disc 13 is provided on the surface Has a groove and rotates synchronously with the sheave. The swing plate 9 is fixed on the inner side of the U-shaped side plate 17 and can rotate around the shaft 14. The swing plate 9 is fixed with a brake seat 12 and an output rod 15, and the brake seat 12 and the output rod 15 are respectively located on the upper...

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Abstract

The invention provides a speed limiter for triggering an elevator safe execution mechanism or device. The speed limiter comprises a U-shaped side plate, wherein a rope and wheel assembly which can rotate around a shaft is arranged in the U-shaped side plate, and the rope and wheel assembly is provided with a brake disc. A swinging plate which can rotate around a shaft is arranged on the U-shaped side plate and is provided with a braking base and an output rod. A braking rod is movably arranged on the braking base and is located above the brake disc. An electromagnet is arranged on the braking rod. Strip-shaped holes are formed in the U-shaped side plate. A switch and a switch triggering plate are arranged on the outer side of the U-shaped side plate, and the switch triggering plate is fixed to the swing plate through the output rod. The speed limiter has the overspeed protection function, can act at the speed lower than the nominal speed and can act within the set displacement as well, and is high in reliability and low in cost, and the application field of the speed limiter is widened.

Description

technical field [0001] The invention relates to a device in the field of elevator safety, in particular to a speed governor for triggering an elevator safety actuator or device. Background technique [0002] Definition of speed limiter: Article 4.67 of GB / T7024-1997 "Terms for Elevators, Escalators, and Moving Walks" is: When the running speed of the elevator exceeds a certain value of the rated speed of the elevator, its action can cause the safety gear to work. It can be seen from the definition that the speed limiter is a kind of elevator overspeed protection device, and its function is to send a signal to the safety actuator to protect the elevator when it detects the elevator overspeed. [0003] The current existing speed limiter is generally installed in the elevator equipment room. The existing speed limiter generally adopts the principle of centrifugal block throwing, such as figure 1 As shown, the car 3 located in the guide rail 4 drives the speed governor sheave ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66B5/02B66B5/04B66B5/24
CPCB66B5/02B66B5/04B66B5/24
Inventor 徐东升邹智曾庆埔
Owner SHANGHAI ELEVATORECH ELEVATOR ACCESSORIES
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