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Tensioner apparatus for overspeed governor of elevator

A technology of tensioner device and speed limiter, which is applied in the direction of transportation and packaging, elevators, etc., and can solve misoperation, hooking on other equipment installed in the hoistway, and inability to correctly detect the speed of the car, etc. question

Inactive Publication Date: 2007-08-08
MITSUBISHI ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the speed of the car cannot be accurately detected, and the emergency stop device for forcibly stopping the movement of the car may malfunction.
In addition, due to the lateral swing of the speed governor rope, the speed governor rope may also be hooked on other equipment arranged in the hoistway

Method used

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  • Tensioner apparatus for overspeed governor of elevator
  • Tensioner apparatus for overspeed governor of elevator
  • Tensioner apparatus for overspeed governor of elevator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0017] Fig. 1 is a block diagram showing an elevator according to Embodiment 1 of the present invention. In the drawing, a pair of car guide rails 2 and a pair of counterweight guide rails (not shown) are provided in a hoistway 1 . The car 3 is arranged between the car guide rails 2 . Moreover, the counterweight 4 is arrange|positioned between each counterweight guide rail.

[0018] A machine room 5 is provided on the top of the hoistway 1 . Installed in the machine room 5 are: a traction machine (driver) 6 for moving the car 3 and the counterweight 4 up and down in the shaft 1 ; and a deflector pulley 7 arranged at a distance from the traction machine 6 . The hoisting machine 6 includes a driving device main body 8 having a motor and a braking device, and a driving sheave 9 rotated by the driving device main body 8 .

[0019] A plurality of main ropes 10 are wound around the drive sheave 9 and the deflection sheave 7 . The car 3 and the counterweight 4 are suspended in th...

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Abstract

The invention provides a tension pulley device for an elevator governor rope has a tension pulley suspended by the governor rope, a pivoting member rotated by a vertical displacement of the tension pulley, a restraining member whose distance from the pivoting member is reduced when the pivoting member is pivoted into the direction in which the tension pulley is displaced upward, a wedge inserted between the pivoting member and the restraining member, and an urging member for urging the wedge into the direction in which the wedge pushes and spreads the distance between the pivoting member and the restraining member. A supporting member is provided in a hoistway, and the pivoting member and the restraining member are disposed on the supporting member. The wedge has a first contact surface coming into contact with the pivoting member and a second contact surface inclined relative to the first contact surface and coming into contact with the restraining member. Pushing of the wedge into the gap between the pivoting member and the restraining member prevents the tension pulley from being displaced upward.

Description

technical field [0001] The present invention relates to a tensioner device for a governor rope for an elevator for applying tension to a governor rope moving together with a car. Background technique [0002] In conventional elevators, in order to apply tension to the governor rope, the tensioner and a weight are sometimes suspended from the governor rope. The speed limiter rope is wound on the tension pulley, and the weight is installed on the tension pulley. In addition, a fixing member is attached to the car guide rail for guiding the raising and lowering of the car via the guide rail clamp. An arm member rotatable around the shaft is provided on the fixed member. A tension pulley is provided at the front end of the arm member. [0003] A plurality of teeth are formed at a base end portion of the arm member close to the shaft. The fixing member is provided with claws that engage with teeth formed on the arm member. The teeth engage the claws only when the arm part is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66B7/06B66B5/04
CPCB66B5/04B66B5/18B66B7/06
Inventor 冈田峰夫福井大树新川岳史
Owner MITSUBISHI ELECTRIC CORP
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