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CN-122029122-A - Elevator installation method

CN122029122ACN 122029122 ACN122029122 ACN 122029122ACN-122029122-A

Abstract

A method of installing an elevator during construction of a building (100) comprises providing an elevator car (1), a counterweight (2), car guide rails (8) for guiding the car, counterweight guide rails (9) for guiding the counterweight, an elevator hoisting machine (13), and suspension ropes (21) for suspending the car and the counterweight during use of the elevator during construction hours, providing a first rope termination (12 a) and a second rope termination (12 b) for supporting the suspension ropes (21), installing the car guide rails and the two counterweight guide rails on a stationary bracket (30), vertically movably installing the counterweight on opposite counterweight guide rails within the stationary bracket between the stationary bracket and a wall (W) of a hoistway (H), providing a motor module (14) comprising a motor housing (10), installing the elevator hoisting machine (13) on the motor housing, suspending the car (1) and the counterweight (2) together with the suspension ropes (21) by the elevator hoisting machine during use during construction hours, coupling the elevator hoisting machine and the elevator hoisting machine (10) below and below the motor housing (10) to each other by interconnecting the motor housing, lifting a motor module (14) guided by a counterweight guide rail (9) to a desired height in the hoistway by means of one or more fixing brackets (30), and fixing the motor module (14) to said guide rail (8, 9).

Inventors

  • M. Rezanam
  • M. Igas
  • M. Kukra
  • M. Hapanemi

Assignees

  • 通力股份公司

Dates

Publication Date
20260512
Application Date
20231017

Claims (18)

  1. 1. A method of installing an elevator during construction of a building (100), comprising: Providing an elevator car (1), a counterweight (2), car guide rails (8) for guiding the car, counterweight guide rails (9) for guiding the counterweight, an elevator hoisting machine (13), and suspension ropes (21) for suspending the car and the counterweight during use of the construction period of the elevator; -providing a first rope termination (12 a) and a second rope termination (12 b) for supporting the suspension rope (21); mounting the car guide rail and the two counterweight guide rails on a fixed bracket (30); -vertically movably mounting the counterweight on opposite counterweight guide rails within the stationary support (30), between the stationary support (30) and a wall (W) of a hoistway (H); Providing a motor module (14) comprising a motor mount (10) on which the elevator hoisting machine (13) is mounted; -moving the car (1) vertically by means of the elevator hoisting machine, which hangs the car (1) and the counterweight (2) together with the suspension ropes (21) when used in a construction period; the guide rails below and above the motor base (10) are connected with each other through the motor base; lifting the motor module (14) guided by the counterweight guide rail (9) to a desired height in the hoistway by means of one or more fixing brackets (30) during elevator jump, and -Fixing the motor module (14) to the guide rail (8, 9).
  2. 2. A method according to claim 1, wherein the counterweight (2) is lowered to the bottom of the hoistway (H) to a suitable height and the ropes or belts of the suspension ropes (21) are loosened before jump.
  3. 3. A method according to claim 2, wherein the belt or rope is pulled to the counterweight side of the car (1) and removed from the drive wheel (13 b) of the elevator hoisting machine (13).
  4. 4. A method according to any one of claims 1-3, wherein the motor module (14) is guided along the counterweight guide rail (9) in a controlled manner at lifting, the motor module (14) comprising a guiding and fixing element (11), such as a guide shoe or a guide pulley.
  5. 5. The method according to any one of claims 1 to 4, wherein moving the motor module (14) comprising a horizontal displacement device (B) enables the motor mount (10) to move horizontally with respect to the fixed bracket (30) and fits the motor module (14) within an open cross-section between the fixed bracket (30) and a wall (W) of the hoistway (H).
  6. 6. The method according to any one of claims 1 to 5, wherein an upwardly rotatable (C) front portion (10 b) comprised by the motor module (14) is rotated and the motor module (14) is adapted to fit within an open cross-section between the fixed bracket (30) and a wall (W) of the hoistway (H).
  7. 7. A method according to any one of claims 1-6, wherein the motor module (14) is lifted upwards by a material lifting machine or equivalent lifting device (5) operating from an upwards direction.
  8. 8. A method according to any one of claims 1-7, wherein an automatic rope lock comprised by the second rope terminal (12 b) is opened to allow more belts or ropes to be transferred into the rope system.
  9. 9. Method according to any of claims 1-8, characterized in that the first rope terminal (12 a) on the opposite side of the counterweight is detached from the car guide rail (8) and attached to the car before lifting the car (1).
  10. 10. The method according to any one of claims 1 to 9, wherein lifting upwards is performed by simultaneously lifting the motor module (14) to which the second rope terminal (12 b) is attached.
  11. 11. Method according to any of claims 1-10, wherein the hoisting rope (21) comprises a plurality of ropes, preferably coated with Polyurethane (PU).
  12. 12. The method according to any one of claims 1 to 11, wherein the motor mount (10) is fixed on top of the guide rail (8, 9) after the final height of the hoistway is completed.
  13. 13. The method according to any one of claims 1 to 12, wherein at least one protective bedplate (200) is mounted within the hoistway (H) in the building (100), the hoistway (H) having a bottom section, a top section and optionally at least one intermediate section between the bottom and top sections for elevator section mounting, Providing a mounting platform (80), the mounting platform (80) being guided on the car guide rail (8) during mounting of at least one hoistway section, Lifting means (60) are provided, Guiding a working platform (1, 80) on the car guide rail (8) and guiding the counterweight (2) on a counterweight guide rail (9) mounted at the bottom of the hoistway, -Attaching the hoisting device (60) comprising a people mover (6 a) and hoisting ropes (6 b) to the work platform (1, 80), Providing a lifting point (61) for supporting the working platform (1, 80) by means of the lifting device (60) and the lifting rope (6 b), -Mounting the lifting point (61) to the protective bedplate (200) for the bottom section elevator installation and using the working platform (1, 80) as a mounting platform, mounting elevator components in the bottom section, After the installation of each elevator section, The mounting platform (80) is used as a mounting platform for upper sector installation during construction period use of the car (10).
  14. 14. The method according to claim 13, comprising, after removal of the lifting point (61) and the lifting device (60) from the bottom section, or After the lifting point, the lifting device and the mounting platform (80) are removed from the installed hoistway section, The car (1) is moved during use during a construction period.
  15. 15. The method according to claim 13 or 14, comprising installing an elevator hoisting machine (13), supported by the car guide rail (8) at the top of the bottom section, and installing the suspension ropes (21) to suspend the car (1) and the counterweight (2), and after removing the hoisting device (60) or the hoisting device (60) and the mounting platform (80) from the bottom section, moving the car (1) in the bottom section during construction period use.
  16. 16. The method according to any one of claims 13 to 15, comprising, during elevator installation, in the at least one intermediate section, mounting the lifting point to an upper protective bedplate (200), attaching the lifting device (60) and the lifting rope (6 b) to the mounting platform (80), and using the mounting platform (80) as a mounting platform.
  17. 17. Method according to claim 16, characterized in that after the installation of the intermediate section the elevator hoisting machine (13) is installed, supported by the car guide rails (8) at the top of the intermediate section, an extended suspension rope (21) is installed to suspend the car (1) and the counterweight (2), and that after the hoisting device (60) and the mounting platform (80) are removed from the intermediate section, the car (1) is moved during construction period use in the intermediate section.
  18. 18. The method according to any one of claims 13 to 17, comprising lifting the motor module (14) by a material lifter (5) supported by the protective platen (200).

Description

Elevator installation method Technical Field The invention relates to an elevator installation method during building construction. Background Construction of an elevator can be performed in sections along the height of a hoistway, especially in high-rise buildings. The guide rail and landing door may be mounted first to a first elevation in the hoistway, then to a second elevation, etc. The construction-time elevator may then run in the already installed lower part of the hoistway, while the construction of the elevator is taking place in the upper part of the hoistway. In some cases the elevator counterweight is located behind the elevator car guide rail, both the car guide rail and the two counterweight guide rails being attached to a common fixed support by means of which the counterweight can be moved. The elevator motor is placed on top of the counterweight and is supported by the car guide rail and the two counterweight guide rails. In elevators in which the counterweight is located behind the car guide rails, it has been a challenge to make jump during elevator construction period use (CTU). Disclosure of Invention It is an object of the present invention to provide an improved method of installing an elevator during construction of a building. A particular object of the invention is to enable elevator installation to continue above a traveling elevator, in which the elevator machine is mounted on a motor mount fixed to the elevator guide rails, e.g. the car guide rail and the two counterweight guide rails. A specific object of the invention is to allow the rail to be connected by means of a motor mount and to allow the motor module to be lifted by means of a fixed bracket for the rail. A new method according to scheme 1 is also presented. The method for installing an elevator during construction of a building comprises: An elevator car, a counterweight, car guide rails for guiding the car, counterweight guide rails for guiding the counterweight, an elevator hoisting machine, and suspension ropes for suspending the car and counterweight during use in a construction period of the elevator are provided, A first rope termination and a second rope termination for supporting a suspension rope are provided, The car guide rail and the two counterweight guide rails are arranged on a fixed bracket, Vertically movably mounting a counterweight on opposing counterweight guide rails within the fixed bracket, between the fixed bracket and a wall of the hoistway, Providing a motor module comprising a motor base, mounting an elevator lifting machine on the motor base, During use in a construction period, the car is moved vertically by means of an elevator hoisting machine, which, together with the suspension ropes, suspends the car and counterweight, The guide rails below and above the motor seat are connected with each other through the motor seat, During an elevator jump, a motor module guided by counterweight guide rails is lifted to a desired height in the hoistway by one or more fixed brackets, and And fixing the motor module on the guide rail. According to one embodiment, the method includes lowering the counterweight to the bottom of the hoistway to a suitable height and releasing the rope or belt from which the rope is suspended prior to the jump. According to one embodiment the method comprises pulling the belt or rope to the counterweight side of the car and removing it from the drive sheave of the elevator hoisting machine. According to one embodiment the method comprises guiding the motor module comprising guiding and fixing elements, such as guide shoes or guide wheels, along the counterweight guide rail in a controlled manner at lifting. According to one embodiment, the method includes moving a motor module including a horizontal displacement device that enables the motor mount to move horizontally relative to the stationary bracket and fitting the motor module within an open cross-sectional section between the stationary bracket and a hoistway wall. According to one embodiment, the method includes rotating an upwardly rotatable front portion included with the electric machine module and adapting the electric machine module to fit within an open cross-sectional section between the stationary bracket and the hoistway wall. According to one embodiment the method comprises lifting the motor module upwards by means of a material lifting machine or equivalent lifting device operating from the upwards direction. According to one embodiment, the method includes opening an automatic cord lock included in the second cord termination to allow more bands or cords to be transferred into the cord system. According to one embodiment, the method includes removing a first rope terminal located on the opposite side of the counterweight from the car guide rail and attaching it to the car prior to lifting the car. According to one embodiment the method comprises performing the upward lifting by simultaneously lifting th