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Safety device to block the elevator car in it's movement

A technology of fixing device and safety device, which is used in transportation and packaging, lifting equipment in mines, elevators, etc., can solve the problems of complex connecting rods of sliding bolts and difficult monitoring of connecting rods.

Active Publication Date: 2009-07-29
SCHINDLER (CHINA) ELEVATOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The disadvantage of the known device is that a complex linkage is required for the control of the plunger and that it is also difficult to monitor the linkage

Method used

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  • Safety device to block the elevator car in it's movement
  • Safety device to block the elevator car in it's movement
  • Safety device to block the elevator car in it's movement

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] figure 1 A lower cross member 1 with a car support 2 and a fastening device 3 is shown. The elevator car arranged on the car support 2 is not shown in the figure. A baffle 4 is arranged on the car support 2 , which serves to prevent people on floors from falling into the elevator shaft when the elevator car is blocked at half height and the doors are open. A bracket 5 of the beam 1 is used as a support for the emergency braking device 6 and the guide shoe 7 cooperating with the guide rail not shown in the figure. The fixing device 3 provided on one end of the lower beam 1 cooperates with the stopper 8, which is for example arranged on the guide rail at 4 meters below the top of the shaft and cooperates with the fixing device 3 to limit the upward running path of the elevator car.

[0028] figure 2 Shown is a lower cross member 1 with a car support 2 and a further fastening device 9 arranged on the other end of the lower cross member 1 , wherein the two fastening dev...

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PUM

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Abstract

The invention relates to a safety device in which a first fixing device (3) acts alternately with a further fixing device (9), wherein a first flexible shaft (10) controls the first fixing device (3) and the first fixing device (3) Utilize the second flexible shaft (11) to control another fixing device (9). The first flexible shaft (10) is connected with the release mechanism (16) and the actuator (3.3). The second flexible shaft (11) is connected to the actuator (3.3) and the actuator (9.3), wherein the position of the actuator (9.3) is monitored by means of sensors (13, 14). When the actuator (3.3, 9.3) is extended, the upward travel path of the elevator car is limited to the stop (8, 12).

Description

technical field [0001] The invention relates to a safety device for securing an elevator car, in which impermissible movements of the elevator car are prevented and the travel path of the elevator car is restricted by means of fastening devices respectively arranged on guide rails of the elevator car. Background technique [0002] A device for securing an elevator car is disclosed in US5733771. The elevator car running along the guide rails consists of a platform carried by a frame consisting of side parts, upper and lower cross members. A fastening device is arranged on the lower cross member, which serves to prevent an impermissible downward movement of the elevator car. On each end of the lower beam is provided an extendable slide bolt which can be extended within a specific section. When the elevator car descends, the running path of the elevator car is restricted by a sliding bolt, which is located on the plate of the guide rail. [0003] The disadvantage of the know...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66B5/00B66B5/04B66B17/34
CPCB66B17/34
Inventor 埃利克·罗西尼奥尔朱利安·莫里斯特凡·卡萨尔马里奥·费尔南德斯
Owner SCHINDLER (CHINA) ELEVATOR CO LTD