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SPEED GOVERNORS: RQ-A & RQ
5. DESCRIPTION AND OPERATION
5.1 General description
The speed governor is a safety device that trips when the car exceeds the rated
speed and reaches the intervention speed.
Governor:
• One-way - it operates the safety gear lever in its downwards movement.
• Two-way - it operates in both travel direction.
The speed governor is designed for detecting the excess speed and to intervene
both mechanically and electrically as below described:
• the mechanical part activates the safety gear
• the electric part stops the lift drive
Note:
A tension device is required to tension the speed governor rope
( see for example TAB163.1 and TEV on product general catalogue of
Montanari Giulio & C.)
5.2 Components
The following figures show the parts forming the RQ and RQ-A governor in
standard version.
!
See detail in paragraph 5.4
Pulley
Fig. 5
3
.Lever
1
.Wheel
2.
Pulley square
4.Spring
5.
Locking tooth
Содержание RQ 200
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Страница 12: ...48 Narrow base Fig 2 RQ RQ A Standard base Fig 3 A A RQ RQ A...
Страница 13: ...49 www montanarigiulio com ENGLISH SPEED GOVERNORS RQ A RQ D P D P...
Страница 31: ...67 www montanarigiulio com ENGLISH SPEED GOVERNORS RQ A RQ 7 8 Protective cover Fig 23 Fig 24...
