Elevator traction machine installation apparatus and elevator traction machine installation method

Patent metadata

Field	Value
Publication number	US-12246944-B2
Application number	US-202318388574-A
Country	US
Kind code	B2
Filing date	Nov 10, 2023
Priority date	Feb 7, 2023
Publication date	Mar 11, 2025
Grant date	Mar 11, 2025

Abstract

An elevator traction machine installation apparatus includes a lifting mechanism having a base portion and a load-bearing portion adapted to place an elevator traction machine, the base and load-bearing portions are connected and can rise and lower relative to each other in a longitudinal direction of an elevator hoistway; and a support mechanism configured to be detachably connected with the lifting mechanism and a base for installation of a machine-room-less elevator traction machine in the elevator hoistway to support the lifting mechanism and the elevator traction machine, and having at least two positions at which the base portion is secured, a first position is lower than a second position in the longitudinal direction, and the load-bearing portion is lifted relative to the base portion after the base portion is secured at the first position, and continues to be lifted relative to the base portion.

First claim

What is claimed is:

1. An elevator traction machine installation apparatus, comprising:
a lifting mechanism having a base portion and a load-bearing portion adapted to place an elevator traction machine, wherein the base portion and the load-bearing portion are connected and configured to be capable of rising and lowering relative to each other in a longitudinal direction of an elevator hoistway; and
a support mechanism configured to be detachably connected with the lifting mechanism and a base for installation of a machine-room-less elevator traction machine in the elevator hoistway to support the lifting mechanism and the elevator traction machine, and having at least two positions at which the base portion is secured, wherein a first position is lower than a second position in the longitudinal direction, and the load-bearing portion is lifted relative to the base portion after the base portion is secured at the first position, and continues to be lifted relative to the base portion after the base portion is adjusted and secured at the second position, until the load-bearing portion is substantially flush with an elevator traction machine installation position on the base in the longitudinal direction, to allow the elevator traction machine to be moved from the load-bearing portion to the elevator traction machine installation position;
wherein the support mechanism comprises:
at least two support parts each comprising a connecting bracket, a diagonal brace member and a first member, wherein the connecting bracket is secured to the base, the first member is connected to the connecting bracket via the diagonal brace member and has a first connecting portion, the first member is secured to a guide rail for installation of the machine-room-less elevator traction machine through the first connecting portion, and the guide rail is connected to the base and extends in the longitudinal direction;
at least two second members arranged below the base and in parallel to each other, and spaced in a transverse direction of the elevator hoistway, wherein the second member is connected to the first member and has at least two second connecting portions, and the base portion is secured at the first position through the second connecting portions; and
at least two third members arranged below the base for connecting the lifting mechanism and the second members, wherein the third member has at least two third connecting portions, the third member and the second member are connected through the third connecting portion and the second connecting portion, and the base portion is secured at the second position through the third connecting portions.

2. The elevator traction machine installation apparatus according to claim 1 , wherein two of the support parts in the support mechanism are arranged at a first end and a second end opposite to each other on the base.

3. The elevator traction machine installation apparatus according to claim 2 , wherein the connecting bracket is configured in an L-shape, one part of which is secured to top of the base and the other part of which is connected to the diagonal brace member.

4. The elevator traction machine installation apparatus according to claim 1 , wherein the first member is secured to the guide rail through a pressure guide plate, and/or a top surface of the first member and a top surface of the base are spaced at a distance of 200 to 1500 mm in the longitudinal direction.

5. The elevator traction machine installation apparatus according to claim 1 , wherein a spacing between the at least two second members and the base on a horizontal surface of the elevator hoistway is not greater than a preset value.

6. The elevator traction machine installation apparatus according to claim 1 , wherein the first connecting portions, the second connecting portions and the third connecting portions are configured as holes, the holes including a waist-shaped hole.

7. The elevator traction machine installation apparatus according to claim 1 , wherein the support mechanism further comprises at least one diagonal brace member for connecting the third members and the second members, arranged close to a motor side of the elevator traction machine that is already placed on the load-bearing portion.

8. The elevator traction machine installation apparatus according to claim 1 , wherein the distance from the first position to the second position in the longitudinal direction ranges from 100 to 750 mm.

9. The elevator traction machine installation apparatus according to claim 1 , wherein the lifting mechanism is a scissor lifting mechanism, and/or the lifting mechanism is arranged such that the side for carrying out lifting operations is on the same side as a motor side of the elevator traction machine that is already placed on the load-bearing portion.

10. The elevator traction machine installation apparatus according to claim 1 , wherein a vibration damper is provided between the load-bearing portion and the elevator traction machine, and/or the elevator traction machine is secured to the load-bearing portion through at least one connecting member.

11. The elevator traction machine installation apparatus according to claim 1 , wherein the elevator traction machine installation apparatus further comprises:
an extended member configured to be detachably arranged on the lifting mechanism to extend an area for placing the elevator traction machine on the load-bearing portion; and/or
a baffle plate configured to be detachably covered on a side of the lifting mechanism.

12. An elevator traction machine installation method, comprising:
arranging the elevator traction machine installation apparatus according to claim 1 in an elevator hoistway, wherein the base portion of the lifting mechanism is detachably secured at a first position on the support mechanism;
placing the elevator traction machine on the load-bearing portion of the lifting mechanism, lifting the load-bearing portion and the elevator traction machine by a first distance relative to the base portion in the longitudinal direction of the elevator hoistway using the lifting mechanism, and securing the load-bearing portion in place at current position using the support mechanism;
adjusting the base portion from the first position and securing it to a second position on the support mechanism, and lifting the load-bearing portion and the elevator traction machine by a second distance relative to the base portion in the longitudinal direction using the lifting mechanism, so that the load-bearing portion is substantially flush with the elevator traction machine installation position on a base for installation of a machine-room-less elevator traction machine in the elevator hoistway in the longitudinal direction; and
moving the elevator traction machine from the load-bearing portion to the elevator traction machine installation position.

13. The elevator traction machine installation method according to claim 12 , further comprising: parking an elevator car at a position where top of the elevator car is not more than a preset distance from a ground before arranging the elevator traction machine installation apparatus in the elevator hoistway, and running the elevator car to an installation operation position located under the base in the longitudinal direction after suspending the elevator car above the top of the elevator car.

14. The elevator traction machine installation method according to claim 12 , further comprising: connecting the extended member detachably to an area for expansion of the load-bearing portion on the lifting mechanism before placing the elevator traction machine on t

Assignees

• Otis Elevator Co

Inventors

• Liu Wenxiang
• Chen Ming
• Shi Chenfeng
• Wu Jianfeng

Classifications

• B66B11/0045

  in the hoistway · CPC title

• B66B7/00

  Other common features of elevators · CPC title

• B66B19/005 Primary

  installing or exchanging the elevator drive · CPC title

• B66B11/04 Primary

  Driving gear {; Details thereof, e.g. seals (braking devices acting on the driving gear B66B5/02; of mining-hoist winding devices B66B15/08)} · CPC title