Bearing means brake device

Patent metadata

Field	Value
Publication number	US-9862573-B2
Application number	US-201414894556-A
Country	US
Kind code	B2
Filing date	May 27, 2014
Priority date	May 28, 2013
Publication date	Jan 9, 2018
Grant date	Jan 9, 2018

Abstract

A method for introducing an elevator support into an elevator system includes a support brake device for controlling a drawing-in speed of the elevator support. The elevator support is wound on a support roller at a floor or in a machine room of a building. The elevator support is unwound from the roller and introduced into a shaft of the elevator system. The support brake device is arranged between the support roller and the shaft, and a drawing-in speed of the elevator support is adjusted by the support brake device. The support brake device contains a traction pulley for receiving the elevator support that is rotatably mounted in a support frame so that the elevator support can at least partly loop around the traction pulley. The traction pulley is braked by a pulley brake device, whereby the drawing-in speed can be controlled.

First claim

The invention claimed is:

1. A method of introducing a support means of an elevator car into an elevator installation having a shaft, which shaft extends over a plurality of floors of a building, wherein the support means is wound up on a support roller positioned adjacent to the shaft so that the support means can be unwound from the support roller and introduced into the shaft, comprising the steps of:
arranging a support brake device between the support roller and the shaft of the elevator installation;
introducing the support means of the elevator car into the support brake device and then into the shaft of the elevator installation;
regulating a braking force of the support brake device applied to the support means of the elevator car by actuating a brake lever biased by a spring or a weight mass, and thereby controlling an intake speed of the support means of the elevator car into the shaft of the elevator installation using the support brake device; wherein in an absence of actuation of the brake lever a predetermined value of the braking force is set; pressing the support means against a traction pulley of the support brake device with a pressing roller; and wherein the support means loops around the traction pulley.

2. The method according to claim 1 wherein the support roller is positioned at an uppermost floor of the building or in a machine room of the elevator installation, comprising the further steps of:
introducing the support means into the support brake device by unrolling a first end of the support means from the support roller and guiding the first end through the support brake device;
further guiding the first end of the support means around or over a pulley of a drive of the elevator installation;
fastening the first end of the support means at a support fastening point; and
lowering the support means in the shaft, wherein a loop of the support means is weighted and guided by a guide roller.

3. The method according to claim 1 wherein the support roller is positioned at an uppermost floor of the building or in a machine room of the elevator installation, comprising the further steps of:
introducing the support means into the support brake device by unrolling a first end of the support means from the support roller and guiding the first end through the support brake device;
further guiding the first end of the support means around or over a pulley of a drive of the elevator installation; and
lowering the support means in the shaft, wherein the support means is weighted and guided by a guide slide.

4. The method according to claim 1 wherein the regulating of the braking force of the support brake device is effected by manual actuation of the brake lever.

5. A support brake device for controlling an intake speed of a support means on introduction of the support means into an elevator shaft in a building comprising:
a traction pulley for receiving a section of the support means, wherein the traction pulley is rotatably mounted in a support frame and the traction pulley is configured so that the support means loops around the traction pulley;
a brake device for applying a braking force to the traction pulley and for controlling the intake speed of the support means, wherein the brake device includes a brake lever biased by a spring or a weighting mass wherein a predetermined value of the braking force is settable and applied to the support means in an absence of actuation of the brake lever; and a pressing roller arranged to press the support means against the traction pulley in a location at which the support means runs onto the traction pulley, wherein the pressing roller is pressed against the traction pulley by a spring device.

6. The support brake device according to claim 5 further comprising:
a support entry guide for receiving a first support run of the support means running into the support brake device, wherein the support entry guide is configured to guide the support means from a substantially horizontal entry direction to a traction groove of the traction pulley; and
a support departure guide for guidance away of a second support run of the support means from the traction pulley, wherein the support departure guide is configured to guide the support means from the traction groove of the traction pulley in a departure direction,
wherein the support entry guide and the support departure guide are configured to prevent the first support run and the second support run from obstructing one another.

7. The support brake device according to claim 5 including a first band brake having a first band disc connected with the traction pulley and a first brake band, wherein the first brake band loops around the first band disc and the first brake band is tightened by the brake lever that is biased and manually actuable.

8. The support brake device according to claim 7 including a second band brake having a second band disc connected with the traction pulley and a second brake band that embraces the second band disc, wherein the second band brake can be brought into action by the brake lever if the first brake band fails.

9. The support brake device according to claim 8 wherein the traction pulley and the first and second band discs are rotatably mounted on the support frame and the support frame further mounts the brake lever, the support entry guide, the support departure guide, and the pressing roller, wherein the support frame is configured to be mountable on a floor of the building.

10. A method of introducing a support means of an elevator car into an elevator installation having a shaft, which shaft extends over a plurality of floors of a building, wherein the support means is wound up on a support roller positioned adjacent to the shaft so that the support means can be unwound from the support roller and introduced into the shaft, comprising the steps of:
arranging a support brake device between the support roller and the shaft of the elevator installation, the support brake device including a traction pulley for receiving a section of the support means, wherein the traction pulley is rotatably mounted in a support frame and the traction pulley is configured so that the support means loops around the traction pulley, and the support brake device further including a brake device for applying a braking force to the traction pulley and for controlling an intake speed of the support means, wherein the brake device includes a brake lever biased by a spring or a weighting mass wherein a predetermined value of the braking force is settable and applied to the support means in an absence of actuation of the brake lever;
introducing the support means of the elevator car into the support brake device and then into the shaft of the elevator installation;
regulating the braking force of the support brake device applied to the support means of the elevator car by actuating the brake lever, thereby controlling the intake speed of the support means of the elevator car into the shaft of the elevator installation using the support brake device; and pressing the support means against the traction pulley of the support brake device with a pressing roller.

Assignees

• Inventio Ag

Inventors

• Püntener Urs
• Koch Marcel
• Weber Stefan

Classifications

• B66B19/02 Primary

  Installing or exchanging ropes or cables · CPC title