CN1519190A - How to install the elevator - Google Patents

Abstract

An elevator installation method, after the elevator car guide rail (5) and the balance weight guide rail (6) are arranged in the hoisting road (1), the main rope (11) is wound and hung on the driving sheave ( 9a), at the same time, the mobile work platform (12) and the balance weight (13) are hoisted in the hoistway (1) by the main rope (11), and the brake device of the winch (9) is released while passing through the manual lifting device. (31) The mobile work platform 12 is lifted and lowered along the installation rope (30), and the operator on the mobile work platform (12) performs the installation work of the equipment in the lifting road. Therefore, the present invention can provide an elevator installation method that can facilitate installation work and improve work efficiency even in a state where the driving power supply for the hoist cannot be ensured.

Description

How to install the elevator

technical field

The invention relates to an elevator installation method in which an operator rides on a mobile work platform that ascends and descends in an elevator road to perform machine installation work in the elevator road.

Background technique

In the past, there has been a proposal of an elevator installation method in which no work site is installed in the hoistway, and the operator rides on a mobile work platform that is raised and lowered in the hoistway to perform installation work on the machine in the hoistway. In this method, the driving force of the hoist is used to raise and lower the mobile work platform (for example, refer to Japanese Patent Publication No. Sho 54-16287).

However, usually before the installation work of the elevator, the driving power of the hoist cannot be guaranteed in many cases. When using this method, it is suitable to use only when the power supply environment is adjusted. That is, if the drive power supply of the hoist cannot be ensured, only a work place can be set in the hoistway for installation work, and the work efficiency is poor.

The present invention aims to solve the above problems, and an object of the present invention is to provide an elevator installation method that facilitates installation work and improves work efficiency even in a state where a hoist drive power supply cannot be ensured.

Contents of the invention

The elevator installation method of the present invention includes: installing installation ropes extending in the vertical direction in the hoistway; assembling a mobile work platform that can be raised and lowered along the installation ropes in the hoistway; The process of installing the manual lifting device on the mobile work platform by manually lifting the mobile work platform relative to the installation rope; while the mobile work platform is raised by the manual lifting device, the operator on the mobile work platform lifts the elevator car The process of setting the guide rail and the balance weight guide rail in the hoistway; the process of winding the main rope on the driving sheave of the hoist, and at the same time hoisting the mobile working platform and the balance weight in the hoistway through the main rope; and releasing the hoist at the same time The braking device, while the mobile working platform is lifted and lowered along the installation rope by the manual lifting device, and the operator on the mobile working platform performs the machine installation operation in the lifting road.

In summary, the elevator installation method of the present invention is to wind the main rope on the driving sheave of the winch after the elevator car guide rail and the balance weight guide rail are arranged in the hoisting road, and at the same time, the main rope will move the work platform and the balance weight are hoisted in the liftway, while the brake device of the winch is released, the mobile work platform is lifted and lowered along the installation rope by the manual lifting device, and the operator on the mobile work platform performs the installation work of the machine in the liftway Therefore, even if the driving power supply of the hoist cannot be ensured, the installation work can be easily performed, and the work efficiency can be improved.

A brief description of the drawings

Fig. 1 is a configuration diagram showing a state in the middle of installing an elevator according to Embodiment 1 of the present invention.

Fig. 2 is a configuration diagram showing the winch and the manual lifting device of Fig. 1 .

Fig. 3 is a configuration diagram showing a state in the middle of installing an elevator according to Embodiment 2 of the present invention.

Detailed ways

Embodiments of the present invention will be described below with reference to the drawings.

Example 1

Fig. 1 is a configuration diagram showing a state in the middle of installing an elevator according to Embodiment 1 of the present invention. In the figure, a plurality of lifting beams 2 are fixed on the uppermost part of the liftway 1 . The bottom of the liftway 1 is provided with an elevator car side base 3 and a counterweight side base 4 . A pair of elevator car guide rails 5 and a pair of counterweight guide rails 6 are respectively arranged vertically in the hoistway 1 . The elevator car guide rail 5 is supported on the elevator car side base 3 , and the counterweight guide rail 6 is supported on the counterweight side base 4 .

A car buffer 7 is provided on the car-side base 3 . A weight buffer 8 is provided on the weight-side base 4 . A hoist 9 having a drive sheave 9a is disposed on the upper portion of the hoistway 1 . The winch 9 is supported on a mechanical platform 10 fixed on the top of the balance weight guide rail 6 .

A plurality of (only one is shown in the figure) main ropes 11 are wound around the driving sheave 9a. The mobile working platform 12 and the counterweight 13 are suspended in the hoistway 1 by the main rope 11 . The main rope end fixing beam 14 is fixed on the top of the elevator car guide rail 5 . One end of the main rope 11 is connected to the main rope terminal fixing beam 14 via the car-side cable terminal 15 . The other end portion of the main rope 11 is connected to the machine table 10 through a weight-side cable end portion 16 .

The mobile work platform 12 includes: an elevator car frame 17 that can be lifted along the elevator car guide rail 5; a lower platform 18 fixed on the elevator car frame 17; a lower handrail 19 erected on the lower platform 18; The upper platform 20 of the elevator car frame 17; the upper handrail 21 erected on the upper platform 20; a pair of elevator car suspension wheels 22 arranged at the bottom of the lower platform 18 and hung with the main rope 11; and arranged on the lower platform 18 Lower emergency stop device 23.

Again, the lower handrail 19, the upper platform 20 and the upper handrail 21 can be removed after the installation work, but the elevator car frame 17, the lower platform 18, the elevator car suspension wheel 22 and the emergency stop device 23 are still used as the constituent parts of the elevator car. .

The balance weight 13 includes: a balance weight frame 24 that can be lifted up and down along the balance weight guide rail 6; a plurality of balance weight stacks 25 supported in the balance weight frame 24; 11 balance weight suspension wheels 26. The main rope 11 is wound around the elevator car hanging sheave 22, the driving sheave 9a, and the counterweight hanging sheave 26 in order from one end to the other end.

The top of elevator car guide rail 5 is equipped with governor 27. The bottom of elevator car guide rail 5 is equipped with governor tensioner pulley 28. A speed governor rope 29 is stretched between the sheave of the speed governor 27 and the speed governor tension pulley 28 . The governor rope 29 is connected with the emergency stop device 23 and circulates along with the lifting of the mobile work platform 12 .

In the hoistway 1, the installation rope 30 is suspended vertically. The upper end of the installation rope 30 is connected to the lifting beam 2 . Attached to the mobile work platform 12 is a manual lifting device 31 that grasps the installation rope and manually raises and lowers the mobile work platform relative to the installation rope.

A control panel 32 for controlling the operation of the winch 9 is provided on the upper part of the hoistway 1 . A brake release battery 33 is mounted on the upper work platform 20 to supply electric power for releasing the brake of the hoist 9 from the mobile work platform 12 . A flexible connecting cable 34 is electrically connected between the control panel 32 and the brake release battery 33 .

FIG. 2 is a configuration diagram showing the hoist 9 and the manual lifting device 31 of FIG. 1 . The hoist 9 is provided with a braking device 35 for braking the rotation of the drive sheave 9a. The brake device 35 includes: a brake drum 36 integrally rotating with the drive pulley 9a; a pair of brake arms 37 with brake pads disconnected from the brake drum 36; A pair of brake springs 38 biasing the brake roller 36 in the direction of the brake roller 36;

An operating lever 41 is provided on the manual lifting device 31 . A brake release switch 42 is provided on the operating lever 41 . When the brake release switch 42 is operated, the brake release battery 33 supplies electric power to the electromagnet 39 to release the braking force of the brake device 35 .

Moreover, if the operating lever 41 is operated, the brake release switch 42 is automatically operated to release the brake device 35, and once the hand is released from the operating lever 41, it will automatically return to demagnetize the electromagnet 39. That is, when the manual lifting device 31 is operated, the braking device 35 is automatically released, and when the manual lifting device 31 is not operated, the braking device 35 is automatically in a braking state.

Next, the method of installing the elevator of the first embodiment will be described. Firstly, the lifting beam 2 is arranged at the uppermost part in the hoistway 1, and the elevator car side base 3 and the counterweight side base 4 are arranged at the bottom of the hoistway 1 at the same time. The installation rope 30 is suspended from the lifting beam 2, and the lowermost elevator car guide rail 5 and the counterweight guide rail 6 are arranged on the elevator car side base 3 and the counterweight side base 4. And, the governor idler pulley 28 is arranged on the elevator car guide rail 5 .

Then, the mobile work platform 12 that can be moved up and down along the elevator car guide rail 5 and the installation rope 30 is assembled in the hoistway 1, and the manual lifting device 31 is installed on the mobile work platform 12 at the same time. While the mobile work platform 12 is raised by the manual lifting device 31 , the operator on the mobile work platform 12 installs the elevator car guide rail 5 and the counterweight guide rail 6 below the second stage in the hoistway 1 .

In this way, when the mobile work platform 12 is moved to the uppermost part in the hoistway 1 , the machine table 10 is fixed on the counterweight guide rail 6 , and the hoist 9 is set on the machine table 10 . Again, the control panel 32 is arranged on the top in the hoistway 1, and the brake release battery 33 on the mobile work platform 12 is connected with the control panel 32 with the connecting cable 34, and then the control panel 32 and the hoist 9 are also electrically connected. connect.

Next, the speed governor 27 and the speed governor rope 29 are set, and the speed governor rope 29 is connected with the emergency stop device 23 . In this way, in subsequent operations, when the mobile work platform 12 falls beyond the preset overspeed, the emergency stop device 23 is activated to stop the mobile work platform 12 .

Then, the balance weight 13 is arranged between the balance weight guide rails 6, and the main rope 11 is arranged in the same way after installation. That is, the main rope 11 is wound around the driving sheave 9a, the elevator car hanging sheave 22, and the counterweight hanging sheave 26. In addition, one end of the main rope 11 is connected to the main rope terminal fixing beam 14 through the elevator car side cable terminal 15 , and the other end of the main rope 11 is connected to the machine table 10 through the counterweight side cable terminal 16 .

In this way, the mobile working platform 12 and the counterweight 13 are suspended in the hoistway 1 by the main rope 11 . In addition, the weight of the weight laminated body 25 mounted on the weight 13 is adjusted to be lighter than the mounted state. That is, the weight of the mobile work platform 12 is adjusted so that the weight of the counterweight 13 is smaller than the required number of passengers.

Then, the mobile work platform 12 is lifted and lowered along the installation rope 30 by the manual lifting device 31, and the operators on the mobile work platform 12 carry out the machine (such as the entrance device and each floor wiring device, etc.) in the lifting road 1. ) installation work. In this way, when the manual lifting device 31 is operated in a state where the main rope 11 is wound, the operator on the mobile work platform 12 releases the braking device 35 of the hoist 9 . That is, by operating the brake release switch 42 of the operating lever 41 , electric power is supplied from the brake release battery 33 to the electromagnet 39 to release the braking force of the brake device 35 .

Various known types can be adopted as the manual lifting device 31 . In the manual lifting device 31 shown in FIG. 2 , the operating lever 41 is turned back to move the holding position relative to the installation rope 30 upward, and the mobile work platform 12 is raised along the installation rope 30 . Furthermore, by releasing the grip on the installation rope 30 , the mobile work platform 12 descends with respect to the installation rope 30 .

When the mobile work platform 12 operated by such a manual lifting device 31 is lifted and lowered, the mobile work platform 12 and the counterweight 13 are in the state of being suspended by the main rope 11, and, since the brake device 35 is in the state of being released, therefore , along with the lifting of the mobile work platform 12, the balance weight 13 is lifted while driving the pulley 9a to rotate.

Accordingly, the manual lifting device 31 can be operated with a small force during the installation work after the main rope 11 is arranged. In this way, even in the state where the drive power supply (main power supply) of the hoist 9 cannot be ensured, the installation work can be easily performed without installing a work place in the hoistway 1, and the work efficiency can be improved. In addition, costs for materials, assembly, and removal at the work site are not required, and the cost of installation work can be reduced.

Also, the brake release switch 42 can be automatically operated when the operating lever 41 is operated, and the braking device 35 is released. Once the hand leaves the operating lever 41, it will automatically recover and the electromagnet 39 will be demagnetized. The operation of the manual lifting device 31 and the operation of the brake release switch 42 are easily performed, and erroneous operations can be prevented.

Moreover, since the weight of the balance weight 13 when adjusted to be installed is lighter than the weight of the mobile work platform 12, no operator's power is required when the mobile work platform 12 descends, and the weight difference between the mobile work platform 12 and the balance weight 13 can be used to easily down.

Example 2

In the above-mentioned first embodiment, the hoist 9 is arranged on the upper part of the hoistway 1 without a machine room elevator. For example, as shown in FIG. There are 9 types of elevators with hoists. In this case, the hoist 9 may be installed in the machine room 43 before the car guide rail 5 and the counterweight guide rail 6 are installed.

In addition, Embodiments 1 and 2 have explained the elevator with the hoist 9 arranged on the upper part of the hoistway 1, but the present invention is also applicable to disposing the hoisting machine near the bottom in the hoistway 1 and disposing the hoist 9 on the upper part of the hoistway 1, for example. An elevator with opposite wheels hanging from the main rope.

In addition, Embodiments 1 and 2 have explained the elevator of the 2:1 rope winding system, but are not limited thereto. For example, the present invention is also applicable to the elevator of the 1:1 rope winding system.

Claims (3)

1. the installation method of an elevator is characterized in that, comprising:

The operation of the installation of above-below direction extension with rope is set in elevating road;

To be assembled in the described elevating road, will control manual lifting gear that described installation makes the described relatively installation of described mobile operating platform carry out lifting with rope with rope with manual mode simultaneously and be installed in operation on the described mobile operating platform with the liftable mobile operating platform of rope along described installation;

On one side described mobile operating platform is risen, by the operator on the described mobile operating platform cage guide rail and balance block guide rail are arranged on operation in the described elevating road on one side by described manual lifting gear;

Main rope volume is hung on the driving block sheave of winch, the operation under by described main rope described mobile operating platform and described balance block being hung in described elevating road simultaneously; And

While the brake equipment that discharges described winch, make described mobile operating platform carry out the operation of elevating road inner machine installation exercise with the rope lifting, by the operator on the described mobile operating platform along described installation by described manual lifting gear.

2. the installation method of elevator as claimed in claim 1, it is characterized in that, described manual lifting gear is provided with and discharges the braking release-push that described brake equipment is used, when described manual lifting gear is operated, described brake equipment automatic release, during described manual lifting gear NOT operation, described brake equipment becomes braking mode automatically.

3. the installation method of elevator as claimed in claim 1 or 2 is characterized in that, the described mobile operating flat-bed of the weight ratio of the described balance block during installation is in light weight.

Images