Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Speed ​​governor, elevator device and test device

A speed governor, standby position technology, applied in elevators, transportation and packaging, etc., can solve problems such as lifting, unable to make the car and so on

Active Publication Date: 2019-03-08
HITACHI LTD
View PDF1 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The car cannot be raised or lowered when the operator enters the hoistway

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Speed ​​governor, elevator device and test device
  • Speed ​​governor, elevator device and test device
  • Speed ​​governor, elevator device and test device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] Below, refer to Figure 1 to Figure 11 Embodiments of the speed controller and the elevator apparatus of the present invention will be described. It should be noted that the same or similar structures are given the same reference numerals in each drawing, and repeated descriptions are omitted.

[0028]

[0029] figure 1 It is a configuration diagram showing a configuration example of an elevator apparatus according to an embodiment of the present invention. Such as figure 1 As shown, the elevator device 100 includes a lifting body (car) 300 , a counterweight 400 , a main rope 500 , a traction sheave 600 , a guide rail 700 , an emergency stop device 800 , a working rod 900 , and a governor 200 . The speed governor 200 is connected to the cable clamp frame 33 held by the operator through the cable 32, and by operating the cable clamp frame 33, the speed governor 200 and the emergency stop device 800 can be safely operated as described later. Maintenance inspection. ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a speed governor and an elevator device capable of forcibly performing tripping operation even when providing a remote operation device in a lifting channel is not possible, thespeed governor and the do not require inspection openings. The speed governor (200) is provided with a rope sheave (2), vibrating members (3, 4), a vibrating member force-applying member, a toothed ratchet (5) and a brake shoe mechanism (7), and also has a working piece (6) mounted on a rotating body and a working piece operating mechanism (8). The working piece moves from a standby position to aclamping position along a radius direction of the rotating body, and after being clamped with the vibrating element on the clamping position, the working piece rotates along a circumferential direction of the rotating body. The working piece operating mechanism (8) moves the working piece from the standby position to the clamping position and is clamped with the vibrating member before being rotated by centrifugal force. The working piece operating mechanism includes a cable (32) whose one end side is connected with the working piece and the other end side extends out of the lifting channel,and a cable clamping holder (33) clamping the other end side of the cable by friction forces..

Description

technical field [0001] The present invention relates to speed governors, elevator devices and their testing devices. Background technique [0002] An elevator apparatus generally includes a speed controller for constantly monitoring the ascending and descending speed of a car and making an emergency stop of a car in a predetermined overspeed state. Specifically, when the lift speed of the car exceeds the rated speed and reaches the first overspeed (usually 1.3 times the rated speed), the speed governor cuts off the power supply of the hoist that drives the car and the control device that controls the hoist respectively. power supply. In addition, when the descending speed of the car exceeds the first overspeed and reaches the second overspeed (usually 1.4 times the rated speed), the speed governor will activate the emergency stop device installed on the car to mechanically make the car emergency stop. stop. [0003] However, at the time of maintenance and inspection of th...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): B66B5/04
CPCB66B5/044
Inventor 中山彻也田中雄大久保洋辅
Owner HITACHI LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com