JP2009149422A - Exchanging device and method of elevator hoisting machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an exchanging device useful for exchanging a hoisting machine supported on a pedestal arranged at a top portion of a hoist way, and an exchanging method using the same. <P>SOLUTION: A guiding means extending downward from the pedestal arranged at the top portion of the hoist way and an elevating means are used to lower a supporting means on which the hoisting machine is placed, thereby lowering the hoisting machine from a height level same as the pedestal of the hoist way top portion to the level of a landing hall. Therefore, the hoisting machine can be hung by using a chain block mounted to a ceiling surface of the hoist way, so that hanging-out to the landing hall and hanging-in from the landing hall can be easily carried out. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  TECHNICAL FIELD The present invention relates to an elevator hoisting machine exchanging apparatus and exchanging method, and more particularly, to move an hoisting machine efficiently and safely between a pedestal arranged at the top of an elevator hoistway and a landing hall. Regarding technology.

Conventionally, various so-called machine room-less elevators having no machine room above the elevator hoistway have been developed.
For example, in the machine roomless elevator shown in FIG. 9, the car 10 is guided by a pair of left and right car-side guide rails 11L and 11R to move up and down the hoistway, and is disposed behind the car 10. The counterweight 12 is raised and lowered while being guided by a pair of right and left weight side guide rails 13L and 13R.
Further, on the top of the hoistway, a gantry 14 supported by a right car side guide rail 11R and a pair of left and right weight side guide rails 13L, 13R is disposed, and a hoisting machine 15 is supported thereon. Yes.

Furthermore, the car 10 and the counterweight 12 are suspended in a fishing bottle shape by a main rope 17 wound around a traction sheave 16 that is rotationally driven by the hoisting machine 15.
Specifically, a portion of the main rope 17 extending between the traction sheave 16 and the front hitch portion 18 is wound around a pair of left and right car-side sheaves 10a and 10b to suspend the car 10.
Further, a portion of the main rope 17 extending between the traction sheave 16 and the rear hitch portion 19 extends through the bent sheaves 21, 22, 23 to the weight-side sheaves 12 a, 12 b to suspend the counterweight 12. is doing.

By the way, in the machine roomless elevator mentioned above, since the hoisting machine 15 is supported on the mount 14 arrange | positioned at the top part of the hoistway, between the ceiling surface of the hoistway and the hoisting machine 15 is supported. The gap in the vertical direction is extremely small.
Therefore, since the hoisting machine 15 cannot be suspended by a chain block or the like attached to the ceiling surface of the hoistway, it is difficult to replace the hoisting machine 15.

  Accordingly, an object of the present invention is to solve the problems of the prior art described above, and an exchange device useful for exchanging a hoisting machine supported on a pedestal arranged at the top of a hoistway. It is in providing the exchange method which used.

The means described in claim 1 for solving the above problem is as follows.
An apparatus used when replacing a hoisting machine supported on a pedestal arranged at the top of an elevator hoistway,
Guide means detachably attached to the gantry and extending downward from the gantry;
Support means detachably attached to the guide means, which can be moved up and down along the guide means in a state of supporting the hoisting machine;
Elevating means for raising and lowering the support means interposed between the gantry or the guide means and the support means.

  According to a second aspect of the present invention, there is provided the elevator hoisting machine exchanging apparatus according to the first aspect, wherein the hoistway has a landing hall facing the hoistway along which the hoisting machine can move. A moving path forming means formed between the supporting means and the supporting means is added.

  According to a third aspect of the present invention, the elevator hoisting machine exchanging apparatus according to the second aspect has a wheel that rolls on the moving path and is detachably attached to the hoisting machine. It is characterized by further adding a hoisting machine conveying means.

Furthermore, the means described in claim 4 for solving the above-described problem is as follows.
A method for exchanging an elevator hoist using the exchanging device according to claim 1,
The guide means is attached to the gantry,
The support means is attached to the guide means,
The lifting / lowering means is interposed between the gantry or the guide means and the support means,
Raise the guide means using the lifting means to adjust the height to the gantry,
Transfer the hoisting machine from the gantry to the guiding means,
Lowering the support means using the elevating means,
The hoisting machine is moved from the support means to a landing hall of the hoistway.

The means described in claim 5 for solving the above problem is
A method for exchanging an elevator hoist using the exchanging device according to claim 2,
The moving path forming means is interposed between the hall that faces the hoistway and the support means,
The hoisting machine is moved on the moving route and transferred to the hall.

The means described in claim 6 for solving the above problem is as follows.
A method for exchanging an elevator hoist using the exchanging device according to claim 3,
Attaching the hoisting machine conveying means to the hoisting machine,
The hoisting machine is moved to the landing hall by rolling the wheel on the moving path.

That is, the elevator hoisting machine exchanging apparatus and exchanging method according to the present invention includes a guide means that extends downward from a gantry arranged at the top of the hoistway and an elevating means, and the supporting means on which the hoisting machine is mounted. By lowering, the hoisting machine is lowered from the same height position as the platform at the top of the hoistway to the height of the hall.
Thereby, since the hoisting machine in the state of being lowered on the support means can be easily suspended using a chain block or the like attached to the ceiling surface of the hoistway, the hoisting machine is suspended from the hall, And the hoisting machine can be easily suspended from the hall.
Therefore, according to the exchanging apparatus and exchanging method of the present invention, the hoisting machine disposed at the top of the hoistway can be exchanged efficiently and safely.
Further, by forming a moving path of the hoisting machine between the landing hall and the supporting means using the moving path forming means, for example, a slide, it is easy to move the hoisting machine between the landing hall and the supporting means. It can be carried out.
In addition, the hoisting machine can be moved more easily between the landing hall and the supporting means by attaching the wheeled conveying means to the hoisting machine and moving it on the moving path.

  ADVANTAGE OF THE INVENTION According to this invention, when replacing | exchanging the winding machine currently supported on the mount frame arrange | positioned at the top part of the hoistway, an exchange apparatus useful when exchanging it can be provided.

Hereinafter, with reference to FIG. 1 thru | or FIG. 8, one Embodiment of the exchange apparatus and the exchange method of the elevator hoisting machine of this invention is described in detail.
In addition, in the following description, the overlapping description is abbreviate | omitted by using the same code | symbol for the same part including the prior art mentioned above.

First, referring to FIG. 1, the overall structure of the machine roomless elevator shown in FIG. 9 is schematically depicted.
When exchanging the hoisting machine 15 supported on the gantry 14 disposed on the top of the hoistway S, the car 10 is suspended and fixed at a predetermined position of the hoistway S, and then the car. By assembling the dedicated scaffold 30 on 10, the operator can easily approach the ceiling surface of the hoistway S, the gantry 14 and the hoisting machine 15.
At the same time, the main rope 17 is fixed to the hoistway S by attaching a rope rest 31 to a portion of the main rope 17 where the counterweight 12 is suspended.
Next, the main rope 17 is removed from the traction sheave 16, and the main rope is deposited in a holder (not shown) attached to the gantry 14.
As a result, the hoisting machine 15 can be removed from the gantry 14.

Next, as shown in FIGS. 2 and 3, the elevator hoisting machine exchanging device 40 of this embodiment is attached to the gantry 14.
The exchanging device 40 is detachably attached to the front surface of the gantry 14 and extends in parallel with each other, and a pair of left and right guide rails (guide means) 41 and 42, and a winding that moves up and down along the guide rails 41 and 42. And an upper machine support base (support means) 43.

The hoisting machine support base 43 has a horizontal member 44 that extends horizontally and has an area necessary for placing and fixing the hoisting machine 15 thereon, and a guide rail 41 for supporting the horizontal member 44. , 42 and a pair of left and right vertical members 45, 45 extending downward, and a pair of left and right reinforcing members 46, 46 extending obliquely between the lower end of these vertical members 45 and the horizontal member 44, respectively. Have.
A pair of upper and lower guide rollers 47 and 48 that roll on the pair of left and right guide rails 41 and 42 are rotatably supported on the upper and lower portions of the pair of left and right vertical members 45 and 45, respectively.
Thereby, the hoisting machine support base 43 can be smoothly raised and lowered along the pair of left and right guide rails 41 and 42.

Further, as shown in FIG. 4, a chain block (elevating / lowering) is provided between the lower end of one of the pair of left and right vertical members 45, 45 constituting the hoisting machine support base 43 and the mount 14. Means) 50 is interposed.
Accordingly, by operating the chain block 50, the hoisting machine support base 43 can be smoothly raised and lowered along the pair of left and right guide rails 41 and 42.

Next, a procedure for exchanging the hoisting machine 15 using the exchanging device 40 of the present embodiment will be described with reference to FIGS.
In order to simplify the illustration, the illustration of the dedicated scaffold 30 assembled on the car 10 is omitted.

When the hoisting machine 15 supported on the gantry 14 disposed on the top of the hoistway S is suspended from the landing hall H, as shown in FIG. The exchange device 40 is attached to the front surface of the gantry 14 using bolts.
Then, as shown in FIG. 4B, the chain block 50 is operated to raise the hoisting machine support base 43 so that the upper surface thereof is flush with the upper surface of the gantry 14.
At this time, since one end of the chain block 50 is locked to the lower end of the vertical member 45, the chain of the chain block 50 does not extend horizontally, and the hoisting machine support base 43 can be reliably raised. .

Then, as shown in FIG. 5A, the hoisting machine 15 supported on the gantry 14 is loosened and slid to slide the hoisting machine from the gantry 14 to the hoisting machine support 43. 15 is transferred and temporarily fixed using bolts.
Next, by operating the chain block 50, the hoisting machine support base 43 is lowered to a predetermined height as shown in FIG. 5 (b).

As shown in FIG. 6, when the hoisting machine support base 43 on which the hoisting machine 15 is placed is lowered to a predetermined height, the hoisting machine S is lowered by another chain block 51 attached to the ceiling surface S1 of the hoistway S. The hoisting machine 15 placed on the upper machine support base 43 can be easily suspended.
As a result, as shown in FIG. 7, the hoisting machine 15 suspended by the chain block 51 is swung so that the hoisting machine 15 can be easily moved from the hoisting machine support 43 to the floor H of the hall. Can be moved.

  As shown in FIG. 8, a slide (moving path forming means) 61 is interposed between the hoisting machine support base 43 and the floor H of the hall, and the surface of the slide 61 is rolled. By attaching a carriage (winding machine conveying means) 62 having wheels 62a, 62a, the hoisting machine 15 can be more easily moved from the hoisting machine support base 43 to the floor H of the hall. it can.

  In addition, when installing the new hoisting machine 15 on the gantry 14, the work may be performed in a procedure opposite to the procedure described above.

As mentioned above, although one Embodiment of the elevator winding machine exchange apparatus and the exchange method concerning this invention was described in detail, this invention is not limited by embodiment mentioned above, A various change is possible. Needless to say.
For example, in the above-described embodiment, the slide 61 is supported by the hoisting machine support 43 and the floor H of the hall. However, the slide 61 may be supported by the dedicated scaffold 30 assembled on the car 10. it can.
Furthermore, the slide 61 does not necessarily need to be inclined, and can be used in a horizontal state by adjusting the lower limit position of the lifting / lowering stroke of the hoisting machine support base 43.

The figure which shows typically the structure of the machine roomless elevator which applies the exchange apparatus and the exchange method of the elevator hoisting machine of this invention. The front view which shows the state which attached the exchange apparatus to the mount frame. The side view which shows the state which attached the exchange apparatus to the mount frame. The figure which shows the procedure of replacing | exchanging a hoisting machine using an exchange apparatus. The figure which shows the procedure of replacing | exchanging a hoisting machine using an exchange apparatus. The figure which shows the procedure of replacing | exchanging a hoisting machine using an exchange apparatus. The figure which shows the procedure of replacing | exchanging a hoisting machine using an exchange apparatus. The figure which shows the modification of the procedure which replaces | winds up a winding machine using an exchange apparatus. The perspective view which shows the structure of the machine roomless elevator which can apply the exchange apparatus and the exchange method of the elevator hoisting machine of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Car 11L, 11R Car side guide rail 12 Counterweight 13L, 13R Weight side guide rail 14 Base 15 Hoisting machine 16 Traction sheave 17 Main rope 18, 19 Hitch part 21, 22, 23 Warp sheave 30 Dedicated scaffold 31 Rope Resting equipment 40 Hoisting machine changer 41, 42 Guide rail (guide means)
43 Hoisting machine support stand (support means)
44 Horizontal member 45 Vertical member 46 Reinforcing member 47, 48 Guide roller 50 Chain block (lifting means)
51 Chain block for suspending hoisting machine 61 Slide (moving path forming means)
62 dolly (winding machine transport means)

Claims (6)

An apparatus used when replacing a hoisting machine supported on a pedestal arranged at the top of an elevator hoistway,
Guide means detachably attached to the gantry and extending downward from the gantry;
Support means detachably attached to the guide means, which can be moved up and down along the guide means in a state of supporting the hoisting machine;
Elevating means for raising and lowering the support means interposed between the gantry or the guide means and the support means,
An elevator hoisting machine exchanging device characterized by comprising:   The movement path forming means for forming a movement path on which the hoisting machine can move freely between a landing hall facing the hoistway and the support means is further provided. Elevator hoist exchange device.   The elevator hoisting machine exchanging apparatus according to claim 2, further comprising hoisting machine conveying means that has wheels that roll on the moving path and is detachably attached to the hoisting machine. . A method for exchanging an elevator hoist using the exchanging device according to claim 1,
The guide means is attached to the gantry,
The support means is attached to the guide means,
The lifting / lowering means is interposed between the gantry or the guide means and the support means,
Raise the guide means using the lifting means to adjust the height to the gantry,
Transfer the hoisting machine from the gantry to the guiding means,
Lowering the support means using the elevating means,
Moving the hoist from the support means to the hall of the hoistway;
An elevator hoisting machine replacement method characterized by the above. A method for exchanging an elevator hoist using the exchanging device according to claim 2,
The moving path forming means is interposed between the hall that faces the hoistway and the support means,
A method for replacing an elevator hoisting machine, wherein the hoisting machine is moved on the moving route and transferred to the hall. A method for exchanging an elevator hoist using the exchanging device according to claim 3,
Attaching the hoisting machine conveying means to the hoisting machine,
A method for replacing an elevator hoisting machine, wherein the hoisting machine is moved to the landing hall by rolling the wheels on the moving path.

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