Elevator arrangement and method of constructing elevator

Patent metadata

Field	Value
Publication number	US-12371304-B2
Application number	US-202418581193-A
Country	US
Kind code	B2
Filing date	Feb 19, 2024
Priority date	Sep 7, 2021
Publication date	Jul 29, 2025
Grant date	Jul 29, 2025

Abstract

The invention relates to an elevator arrangement comprising an elevator shaft wall; and a guide rail line extending vertically at a distance from the shaft wall, the guide rail line being fixed to said wall with plurality of fixing brackets; and an elevator car vertically movable along at least said guide rail line; and a hoisting machine mounted at a first vertical level between the shaft wall and the guide rail line; and a hoisting roping movable with said hoisting machine, and connected to the elevator car; wherein the guide rail line extends in vertical direction past the hoisting machine the upper end of the guide rail line being higher than said hoisting machine, and said plurality of fixing brackets comprises one or more first fixing brackets higher than said hoisting machine, by which one or more first fixing brackets the portion of the guide rail line which portion is higher than said hoisting machine is fixed to the shaft wall; and wherein the hoisting machine comprising a motor and a rotatable drive wheel. The elevator arrangement comprises an elongated hoisting passage extending vertically between the shaft wall and the guide rail line inside which hoisting passage the hoisting machine fits to be hoisted, each said first fixing bracket being shaped to circumvent the hoisting passage. The invention also relates to a method of constructing an elevator.

First claim

The invention claimed is:

1. An elevator arrangement comprising:
an elevator shaft wall; and
a guide rail line extending vertically at a distance from the shaft wall, the guide rail line being fixed to said shaft wall with plurality of fixing brackets; and
an elevator car vertically movable along at least said guide rail line in an elevator car passage;
a hoisting machine mounted at a first vertical level directly between the shaft wall and the guide rail line;
a hoisting roping movable with said hoisting machine, and connected to the elevator car;
wherein the guide rail line extends in vertical direction past the hoisting machine, an upper end of the guide rail line being higher than said hoisting machine, and said plurality of fixing brackets comprises one or more first fixing brackets higher than said hoisting machine, by which the one or more first fixing brackets on a portion of the guide rail line in which the portion is higher than said hoisting machine is fixed to the shaft wall,
wherein the hoisting machine comprises a motor and a rotatable drive wheel, and
wherein the elevator shaft wall, the guide rail line, and the one or more first fixing brackets define a hoisting passage extending vertically between the shaft wall and the guide rail line, inside the hoisting passage the hoisting machine fits to be hoisted, each said first fixing bracket being shaped to circumvent the hoisting passage while being between the hoisting passage and the elevator car passage.

2. An elevator arrangement according to claim 1 , wherein a vertical projection of the hoisting machine fits inside the hoisting passage throughout a height of the hoisting passage.

3. An elevator arrangement according to claim 1 , wherein said plurality of fixing brackets comprises one or more second fixing brackets lower than said hoisting machine, by which one or more second fixing brackets the portion of the guide rail line which portion is lower than said hoisting machine is fixed to the shaft wall; and a vertical projection of each said second fixing bracket overlaps with a vertical projection of the hoisting passage, and
each said second fixing bracket comprises a first fixing base portion against which the guide rail line is fixed, and a second fixing base portion fixed against the elevator shaft wall, and an arm, which arm connects the first and second fixing base portions.

4. An elevator arrangement according to claim 3 , wherein the one or more second fixing brackets are separated from a floor of the elevator shaft.

5. An elevator arrangement according to claim 1 , wherein the vertically elongated hoisting passage extends vertically between the shaft wall and the guide rail line above the first vertical level.

6. An elevator arrangement according to claim 1 , wherein the arrangement comprises a hoisting arrangement for hoisting the hoisting machine inside the hoisting passage to a second vertical level, which is higher by at least 2 meters than said first vertical level.

7. An elevator arrangement according to claim 1 , wherein the hoisting passage is a space void of brackets or other rigid members mounted rigidly on the guide rail line or the shaft wall.

8. An elevator arrangement according to claim 1 , wherein each said first fixing bracket comprises a first fixing base portion against which the guide rail line is fixed, and a second fixing base portion fixed against the elevator shaft wall, and a curved arm, which curved arm connects the first and second fixing base portions.

9. An elevator arrangement according to claim 8 , wherein the curved arm comprises a first arm portion fixedly connected to the first fixing base portion and extending horizontally from the first fixing base in width direction of the shaft wall and a second arm portion fixedly connected to the second fixing base portion and extending from the second fixing base portion outwards from a hoisting wall beside the hoisting passage.

10. An elevator arrangement according to claim 1 , wherein the vertically elongated hoisting passage extends in vertical direction past each said first fixing bracket, each said first fixing bracket being outside the hoisting passage, each said first fixing bracket particularly being within a height of the hoisting passage.

11. An elevator arrangement according to claim 1 , wherein the first fixing bracket delimits the hoisting passage on only one side in width direction of the shaft, and/or
wherein at least half of the width of the passage fits between a second arm portion and centerline of the guide rail line, wherein the centerline is a line orthogonal to the shaft wall and passing via geometric center of the guide rail line, and/or
wherein the hoisting machine is mounted at said first vertical level between the shaft wall and the guide rail line on the guide rail line, and/or
wherein the hoisting machine comprises a mounting pedestal via which it can be mounted and/or via which it is mounted on the guide rail line, and/or
wherein the arrangement comprises an elevator control configured to control the hoisting machine, including rotation of a motor of the hoisting machine, in response to signals received from one or more user interfaces, for thereby controlling movement of the car in response to signals received from the one or more user interfaces.

12. An elevator arrangement according to claim 11 , wherein, based on the hoisting machine being mounted at said first vertical level between the shaft wall and the guide rail line on the guide rail line, the hoisting machine being releasably mounted.

13. A method of constructing an elevator comprising
providing an elevator arrangement as defined in claim 1 ; and
demounting the hoisting machine mounted at the first vertical level between the shaft wall and the guide rail line; and
hoisting the hoisting machine inside the hoisting passage to a second vertical level, which is higher than said first vertical level; and
mounting the hoisting machine at the second vertical level between the shaft wall and the guide rail line.

14. A method according to claim 13 , wherein the method comprises after said mounting the hoisting machine at the second vertical level between the shaft wall and the guide rail line moving (second moving) the elevator car in the elevator shaft with the hoisting machine while it is mounted at the second vertical level between the shaft wall and the guide rail line.

15. A method according to claim 13 , wherein the method comprises before said demounting moving (first moving) the elevator car in the elevator shaft with the hoisting machine while it is mounted at the first vertical level between the shaft wall and the guide rail line.

16. A method according to claim 13 , wherein the method, in particular said hoisting the hoisting machine, comprises pulling the hoisting roping upwards together with the hoisting machine, and/or
wherein the method comprises during said hoisting the hoisting machine supplying hoisting roping from rope supply storage, such as from one or more rope reels.

17. A method according to claim 13 , wherein said first and/or second moving comprises controlling by an elevator control the hoisting machine, in particular rotation of a motor of the hoisting machine, in response to signals received from one or more user interfaces, for thereby controlling movement of the car in response to signals received from the one or more user interfaces, and/or
wherein the method comprises during said first moving performing construction work above a first level and/or during said second moving performing construction work ab

Assignees

• Kone Corp

Inventors

• Rasanen Matti
• Haapaniemi Markku
• Haikonen Aki
• Lanz Otto
• Laine Janne
• Korvenranta Sakari
• Kahila Jaakko

Classifications

• B66B11/0045

  in the hoistway · CPC title

• B66B19/005

  installing or exchanging the elevator drive · CPC title

• B66B19/002

  installing or exchanging guide rails (details of rails B66B7/02) · CPC title

• B66B19/00

  Mining-hoist operation · CPC title

• B66B7/024 Primary

  Lateral supports · CPC title