JP2007210703A - Device and method for installing hoist machine in machine-room-less elevator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To accomplish easy and stable installation work of a hoist machine without requiring a special lifting device and a complicated lifting sling. <P>SOLUTION: The hoist machine installation device 40 of the present invention is provided with a hoist machine support body 41 detachably supported on an upper part of a car 1, placed with the hoist machine thereon and fixtable thereto; and supporting means 9, 42 for supporting the hoist machine support body 41 on the upper part of the car 1. Since the hoist machine 6 is lifted by raising the car 1 using a winch or the like after the hoist machine 6 is mounted, the special lifting device for lifting the hoist machine is not totally required. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an apparatus and a method for installing a machine roomless elevator hoisting machine on the top of a hoistway, and more particularly, without requiring a special lifting device or a complicated lifting jig. The present invention relates to technology that enables stable work.

Conventionally, various so-called machine roomless elevators having no machine room above the hoistway have been developed.
For example, in the machine roomless elevator shown in FIG. 6, the car 1 is guided by a pair of left and right car side guide rails 2L and 2R to move up and down in the hoistway, and the counterweight 3 is a pair of front and rear weight sides. It is raised and lowered in the hoistway by being guided by the guide rails 4f and 4r.
Further, the hoisting machine 6 is supported by a hoisting machine 6 via a vibration-proof rubber (not shown) on the hoisting machine installation part 5 spanned between the upper ends of the weight side guide rails 4f and 4r at the top of the hoistway. Has been.
A main rope 8 is wound around a main sheave 7 that is rotationally driven by the hoisting machine 6.

Further, above the car 1, an upper beam 9 which is a part of a car frame around which the car 1 is suspended extends horizontally in the left-right direction.
Further, the sheave support beam 10 connected to the lower surface of the upper beam 9 and extending obliquely with respect to the upper beam 9 in a horizontal plane supports a pair of left and right car-side sheaves 11L and 11R rotatably at both ends thereof. ing.
One end of the main rope 8 is wound around the car sheaves 11L and 11R and locked to the hitch portion 12, and the other end is wound around the weight side sheaves 3a and 3b and locked to the hitch portion 13. ing.

By the way, when installing the machine roomless elevator of the type shown in FIG. 6 in the hoistway, it is necessary to lift the hoisting machine 6 and install it on the hoisting machine installation unit 5.
However, in a machine roomless elevator of this type, the clearance between the ceiling surface of the hoistway and the upper surface of the hoisting machine 6 is only about 30 centimeters. The stroke required for lifting to 5 cannot be secured.
Therefore, various installation devices and installation methods for lifting the hoisting machine 6 and installing it on the hoisting machine installation unit 5 have been proposed.

For example, the elevator hoisting machine installation device shown in FIG. 7 is for lifting and installing the hoisting machine 24 on the hoisting machine installation part 23 at the upper end of the guide rail 22 installed in the hoistway 21. The cargo body 25 that can be moved up and down along the guide rail 22 is provided.
A pulley 27 is attached to a support member 26 that connects the upper end of the guide rail 23 to the inner wall surface of the hoistway 21, and a lifting rope extending upward from a winch 28 provided at the bottom of the hoistway is wrapped around the support member 26. It has been.

When the hoisting machine 24 is installed using the hoisting machine installation device, the hoisting machine 24 is placed and fixed on the cargo body 25, and a hook 29a provided at the tip of the lifting rope 29 is provided. Is connected to the lower end of the cargo body 25.
The winch 28 is actuated to wind up the lifting rope 29 to raise the cargo body 25 to the top of the hoistway 21.
Next, as shown by arrow A in FIG. 7B, the hoisting machine 24 is transferred from the load body 25 onto the hoisting machine installation unit 23 and fixed to the hoisting machine installation unit 23. The installation work of the hoisting machine 24 is completed.

The elevator hoist installation apparatus shown in FIG. 8 is for installing the hoisting machine 33 on the hoisting machine installation section 32 provided at the upper end of the guide rail 31. A suspension jig 34 for temporarily suspending the upper machine 33 is fixed, and the hoisting machine 33 is integrally fixed to the lifting jig 35.
When the hoisting machine 33 is installed on the hoisting machine installation section 32, the hoisting machine 33 and the lifting jig 35 are lifted together, and as shown in FIG. The provided support shaft 36 is rotatably engaged with the lower end portion 34a of the suspension jig 34 so that the hoisting machine 33 and the lifting jig 35 are integrally suspended.

Next, a lifting rope 38 is connected to a locking portion 37 provided at the free end of the lifting jig 35, and the free end is pulled up as shown by an arrow B in FIG. 33 and the lifting jig 35 are rotated together to bring the hoisting machine 33 into a horizontal state.
Then, the hoisting machine 33 is separated from the lifting jig 35, and the hoisting machine 33 is transferred and fixed onto the hoisting machine installation section 32 as indicated by an arrow C.

JP 2000-34072 A

By the way, in the hoisting machine installation apparatus shown in FIG. 7, the loading body 25 for lifting the hoisting machine 24 is required.
However, since the cargo body 25 needs to be matched to the positional relationship between the guide rail 22 and the hoisting machine mounting portion 23 and the shape of the hoisting machine 24, it is necessary to install other machine roomless elevators having different dimensions. Cannot be used in common.
Therefore, it is necessary to prepare a large number of cargo bodies 25, and the cost for the production and storage is increased.

Further, in the hoisting machine installation apparatus shown in FIG. 8, it is necessary to suspend the hoisting machine 33 and the lifting jig 35 together and to rotate the whole around the support shaft 36. It cannot be performed stably.
Furthermore, since the lifting source position of the lifting rope 38 is different for each hoistway in which the machine room-less elevator is installed, when the lifting rope 38 extends in an oblique direction as shown, the hoisting machine 33 and the lifting crane It is difficult to rotate the tool 35 integrally to make it horizontal.

  Therefore, the object of the present invention is to solve the above-mentioned problems of the prior art and enable easy and stable installation of the hoisting machine without requiring a special lifting apparatus or a complicated lifting jig. An object of the present invention is to provide an installation device and an installation method.

The means described in claim 1 for solving the above problem is as follows.
A device for lifting a hoisting machine when installing a machine roomless elevator and installing it on a hoisting machine installation part provided at the top of a hoistway,
A hoisting machine support that is removably supported on the upper part of the car, and on which the hoisting machine can be placed and fixed;
Support means for supporting the hoisting machine support on the top of the car;
It is characterized by providing.

That is, the hoisting machine installation apparatus for a machine roomless elevator according to claim 1 lifts the hoisting machine by using a winch or the like to raise the hoisting machine after the hoisting machine is mounted on the upper part of the car. Because they are heavy, no special lifting device is needed to lift the hoist.
In addition, since a sufficient space for mounting the hoisting machine can be secured on the upper part of the car, the hoisting machine support on which the hoisting machine is placed and fixed has various dimensions and The size and structure of the hoisting machine can be set, and it can be used in common for installation work of many machine room-less elevators having different hoistway dimensions and equipment arrangements.
Further, the position where the hoisting machine support is attached to the upper part of the car needs to be matched with the position of the hoisting machine installation part in the hoistway, but the supporting means for supporting the hoisting machine support to the car For example, since it can be set by adjusting a shape steel, a steel plate, etc., it can be freely adapted to many machine roomless elevators having different hoistway dimensions and equipment arrangement configurations.
Furthermore, since there are scaffolds and handrails for elevator inspection and maintenance work at the upper part of the car, there is no work to transfer the hoisting machine from the hoisting machine support to the hoisting machine installation section. Installation work can be performed easily and stably.
In addition, after the installation work of the hoisting machine is completed, it is only necessary to remove the hoisting machine support and supporting means, and the car can be used as it is. Can be performed efficiently.

According to a second aspect of the present invention, there is provided a rolling machine that is mounted on the hoisting machine installation device of the machine roomless elevator according to the first aspect, and on which the hoisting machine is moved to the hoisting machine installation unit. The hoisting machine support body is provided so as to be freely rollable.
The rolling element can be a number of rollers or balls.

  That is, in the machine roomless elevator hoisting machine installation device according to claim 2, the hoisting machine can be smoothly moved to the hoisting machine installation part by the action of rolling elements such as rollers or balls. The installation work of the hoisting machine can be easily performed.

According to a third aspect of the present invention, there is provided the machine roomless elevator hoist installation apparatus according to the first or second aspect, wherein the hoist is moved from the hoist support to the hoist installation unit. Further, a guide means for guiding is added.
In addition, this guide means can be comprised by, for example, fixing a cross-sectional L-shaped steel shape to a winding machine support body so that attachment or detachment is possible.
If necessary, guide means extending from the hoist support to the hoist installation part can be used.

  That is, in the machine roomless elevator hoisting machine installation device according to claim 3, the movement of the hoisting machine from the hoisting machine support to the hoisting machine installation part can be guided by the guide means, The hoisting machine can be installed more easily.

According to a fourth aspect of the present invention, there is provided the machine roomless elevator hoisting machine installation device according to any one of the first to third aspects, wherein the hoisting machine exceeds a predetermined position in the hoisting machine installation unit. A movement restricting means for restricting the movement so as not to move is further added.
The movement restricting means may be a stopper that is detachably attached to the hoisting machine support or the hoisting machine installation part that engages the hoisting machine when the hoisting machine moves to a predetermined position. .
Further, the movement restricting means is a rope or chain that is fully extended when the hoisting machine moves to a predetermined position, one end of which is connected to the hoisting machine support and the other end is connected to the hoisting machine. It can be.

That is, in the hoisting machine installation device for a machine roomless elevator according to claim 4, when the hoisting machine is transferred from the hoisting machine support to the hoisting machine installation unit, the hoisting machine is in a predetermined position. Never move beyond.
Thereby, even when the roller is provided on the hoisting machine support and the hoisting machine can move smoothly, the hoisting machine can be installed easily and stably.

According to a fifth aspect of the present invention, there is provided the machine room-less elevator hoist installation apparatus according to any one of the first to fourth aspects, wherein the hoisting machine support is a rail clip. It is fixed to the car frame.
The rail clip is used to fix a guide rail that guides the raising and lowering of the car and the counterweight to a rail bracket or the like provided on the inner wall surface of the hoistway.

That is, the hoisting machine support is configured by combining the shape steels, and when fixing the hoisting machine support to the car frame that is also made of the shape steel, by utilizing the rail clip, The detaching operation and the position adjusting operation of the hoisting machine support with respect to the car frame can be easily performed.
Furthermore, the bolt hole used for fixing the rail clip is provided on the side of the hoisting machine support so that it is not necessary to make a bolt insertion hole on the car frame side, and the strength on the car frame side is reduced. Will not be invited.

Further, the means described in claim 6 is that when the machine room-less elevator is installed, the hoisting machine is lifted by using the hoisting machine installation device according to any one of claims 1 to 5, and It is a method of installation on the hoist installation part provided at the top,
Assemble the car inside the hoistway and move it up and down along the guide rail.
Removably attach the hoist installation device to the top of the car,
Place and fix the hoisting machine on the hoisting machine support,
Raise the car so that the hoisting machine support and the hoisting machine installation part are at the same height,
The hoisting machine is transferred and installed from the hoisting machine support to the hoisting machine installation part,
Thereafter, the hoisting machine installation device is removed from the car.
In addition, the raising and lowering of the car in the hoistway is performed by using, for example, a winch suspended from the hoistway ceiling and a lifting rope that extends downward from the winch and is connected to the lower part of the car. Can do.

That is, the machine roomless elevator hoist installation method described in claim 6 is wound around the upper part of the car when the assembly of the car is completed in the process of installing the machine roomless elevator in the hoistway. Since the hoisting machine is lifted by mounting the upper machine and raising the car using a winch or the like, no special lifting device is required for lifting the hoisting machine.
Moreover, since the installation work can be continued as it is by removing the hoisting machine installation device from the car after installing the hoisting machine, the work for installing the machine roomless elevator can be performed efficiently.

  As is clear from the above description, according to the present invention, an installation device that enables easy and stable installation of the hoisting machine without requiring a special lifting device or a complicated lifting jig, and Installation method can be provided.

Hereinafter, with reference to FIG. 1 thru | or FIG. 5, the winding machine installation apparatus of the machine roomless elevator which concerns on this invention, and the installation method using the same are demonstrated.
In the following description, the same reference numerals are used for the same parts including the above-described prior art, and a duplicate description is omitted.

First Embodiment First, a first embodiment of a hoist installation apparatus for a machine roomless elevator will be described with reference to FIG.

  The hoisting machine installation device 40 shown in FIG. 1 is provided with a hoisting machine installation unit provided at the top of the hoistway by lifting the hoisting machine 6 when the machine roomless elevator shown in FIG. 6 is installed. And a hoisting machine support 41 that is detachably supported on the upper portion of the car 1 and on which the hoisting machine 6 can be placed and fixed, and the hoisting machine support. Support means 42 for supporting the body 41 on the upper portion of the car 1 is provided.

The hoisting machine support 41 is a rectangular member in plan view having a size and structure sufficient to mount the hoisting machine 5 thereon, and is positioned in accordance with the hoisting machine installation unit 5. However, the upper beam 9 constituting the car frame of the car 1 and the support member 42 are supported so as to extend horizontally in the front-rear direction.
The support means 42 is connected to a part of a car frame (not shown) or a work scaffold (not shown) provided on the upper part of the car 1 to firmly support the hoisting machine support 41.

In addition, a pair of front and rear guide means 43 and 44 are fixed to the hoisting machine support body 41 at intervals so as to extend in the left-right direction.
These guide means 43 and 44 are formed from section steel having an L-shaped cross-section, and are slidably engaged with the front edge and the rear edge of the base 6a of the hoisting machine 6, respectively. Guide the movement of the hoisting machine 6 toward the section 5.
In addition, bolt insertion holes are respectively provided at both ends of the guide means 43 and 44 so that the base 6a of the hoisting machine 6 can be firmly fixed to the guide means 43 and 44 by bolts and nuts. It has become.

  Furthermore, a large number of rollers (rolling elements) 45 are rotatably embedded in the upper surface of the hoisting machine support 41, and the hoisting machine 6 placed thereon faces the hoisting machine installation unit 5. It can be moved smoothly.

In addition, the hoisting machine installation unit 5 includes a pair of stoppers 46 for restricting the hoisting machine 6 from moving in the front-rear direction beyond a predetermined position, and the hoisting machine 6 exceeds the predetermined position. Thus, a pair of stoppers 47 are fixed for restricting them from moving in the left direction in the figure.
In addition, these stoppers 46 and 47 are formed from cross-sectional L-shaped steel, and can be detachably attached to the hoisting machine installation part 5 using a bolt nut.
Moreover, the volt | bolt screwed to each part of the upper surface of the winding machine installation part 5 can also be used instead of a stopper.

  Next, a procedure for lifting the hoisting machine 6 using the hoisting machine installation device 40 of the first embodiment and installing it on the hoisting machine installation unit 5 will be described with reference to FIGS.

When installing the machine roomless elevator shown in FIG. 6, first, a pair of left and right car side guide rails 2L and 2R and a pair of front and rear weight side guide rails 4f and 4r are erected.
And the hoisting machine installation part 5 and the hitch part 13 are attached to the upper end of the weight side guide rails 4f and 4r, and the stoppers 46 and 47 are fixed to the hoisting machine installation part 5 together.

Next, the car 1 is assembled to a substantially completed state at the bottom of the hoistway so that it can be raised and lowered along the car-side guide rails 2L and 2R.
Then, after the hoisting machine installation device 40 is attached to the upper part of the car 1, the hoisting machine 6 is mounted thereon, and the base 6a is fixed to the guide members 43 and 44 by using bolts and nuts. To do.

Thereafter, a lifting rope (not shown) extending downward from the winch provided on the ceiling surface of the hoistway is connected to the lower part of the car 1 and, as shown in FIG. 2, along the car-side guide rails 2L and 2R. Then raise the car 1 gradually.
Then, as shown in FIG. 3, when the hoisting machine installation unit 5 and the hoisting machine installation device 40 are at the same height, the raising of the car 1 is stopped, and the car 1 is guided to the car side guide rail. Fix to 2L, 2R.

Then, the fixing of the hoisting machine 6 with respect to the guide members 43 and 44 of the hoisting machine installation device 40 is released, and the hoisting machine 6 is pushed to move to the hoisting machine installation unit 5 as indicated by an arrow D in FIG. Included.
At this time, since the hoisting machine installation device 40 is provided with a large number of rollers 45, the hoisting machine 6 can be moved smoothly.
Moreover, since the guide members 43 and 44 are provided in the hoisting machine installation device 40, the hoisting machine 6 can be accurately moved toward the hoisting machine installation unit 5.
Further, since the hoisting machine installation section 5 is provided with the stoppers 46 and 47, it is possible to prevent the hoisting machine 6 from moving in the front-rear direction or the left-right direction beyond a predetermined position.
Furthermore, since a scaffold (not shown) for performing elevator maintenance and inspection work is provided on the upper portion of the car 1, the hoisting machine 6 is transferred and fixed to the hoisting machine installation unit 5. Work can be performed easily and stably.

  Then, after the operation of fixing the hoisting machine 6 to the hoisting machine installation unit 5 is completed, the stoppers 46 and 47 are removed from the hoisting machine installation unit 5 and the hoisting machine installation device 40 is installed from the upper part of the car 1. Remove and collect.

That is, the hoisting method of the hoisting machine 6 in the first embodiment is that the hoisting machine 6 is hoisted on the upper part of the car 1 when the assembly of the car 1 is completed during the work of installing the machine roomless elevator in the hoistway. Since the hoisting machine 6 is lifted by mounting the machine 6 and raising the car 1 using a winch or the like, no special lifting device is required for lifting the hoisting machine 6. And not.
Moreover, since the installation work can be continued as it is by removing the hoisting machine installation device 40 from the car after the hoisting machine 6 is installed, the work for installing the machine roomless elevator can be performed efficiently.

2nd Embodiment Next, with reference to FIG. 5, the winding machine installation apparatus of 2nd Embodiment is demonstrated.

The hoisting machine installation device 50 of the second embodiment shown in FIG. 5 includes a pair of left and right U-shaped steels 51 and 52 extending in the front-rear direction (the vertical direction in the figure), and a pair of front and rear L-shaped steels 53 extending in the left-right direction. 54 are combined in a cross-beam shape.
The pair of left and right U-shaped steels 51, 52 are placed on the upper beam 9 constituting the car frame, and are fixed to the upper beam 9 using a rail clip 55.

Therefore, the operation of positioning and fixing the hoisting machine installation device 50 with respect to the upper beam 9 and the operation of removing it from the upper beam 9 after the installation operation can be easily performed.
Furthermore, since the holes of the bolts used for fixing the rail clip 55 are penetrated on the side of the pair of left and right U-shaped steels 51, 52, the operation of penetrating the bolt insertion hole on the side of the upper beam 9 becomes unnecessary. Further, the strength of the upper beam 9 is not reduced.

As described above, the embodiment of the machine roomless elevator hoist installation apparatus and the installation method according to the present invention has been described in detail. However, the present invention is not limited to the above-described embodiment, and various modifications are possible. Needless to say.
For example, in the embodiment described above, the hoisting machine support 41 is supported by the upper beam 9 of the car 1, but the hoisting machine support 41 is supported by a work scaffold provided on the upper part of the car 1. It can also be supported.

The perspective view which shows the state which mounted | wore the passenger car with one Embodiment of the winding machine installation apparatus of this invention. The perspective view which shows the state which mounted and fixed the winding machine in the winding machine installation apparatus of FIG. The perspective view which shows the state which lifted the hoisting machine to the same height as a hoisting machine installation part. The perspective view which shows the state which transferred the winding machine to the winding machine installation part. The (a) top view which shows the winding machine support body of other embodiment, (b) Front view, (c) Side view. The perspective view which shows an example of a machine room less elevator. The side view of the winding machine installation apparatus described in Unexamined-Japanese-Patent No. 2000-34072. The front view which shows typically an example of the conventional winding machine installation construction method.

Explanation of symbols

1 Car 2L, 2R Car side guide rail 3 Balance weight 4f, 4r Weight side guide rail
5 Hoisting machine installation part 6 Hoisting machine 7 Main sheave 8 Main rope 9 Upper beam 10 Sheave support beam 11L, 11R Car side sheave 12, 13 Hitch part 23 Hoisting machine installation part 24 Hoisting machine 25 Cargo body 31 Guide Rail 32 Hoisting machine installation part 33 Hoisting machine 34 Suspension jig 35 Lifting jig 36 Support shaft 40 Hoisting machine installation device 41 Hoisting machine support body 42 Support means 43, 44 Guide means 45 Roller (rolling element)
46, 47 Stopper 50 Winding machine installation device 55 Rail clip

Claims (6)

A device for lifting a hoisting machine when installing a machine roomless elevator and installing it on a hoisting machine installation part provided at the top of a hoistway,
A hoisting machine support that is removably supported on the upper part of the car, and on which the hoisting machine can be placed and fixed;
Support means for supporting the hoisting machine support on the top of the car;
A machine room-less elevator hoist installation device.   2. The machine according to claim 1, further comprising a rolling element provided on the hoisting machine support body and capable of rolling on the hoisting machine and moving to the hoisting machine installation unit. Roomless elevator hoist installation equipment. Guidance means for guiding the movement of the hoisting machine from the hoisting machine support to the hoisting machine installation part;
The machine room-less elevator hoist installation apparatus according to claim 1 or 2, further comprising: Restricting the movement of the hoisting machine so that it does not move beyond a predetermined position on the hoisting machine installation part,
4. The machine room-less elevator hoist installation apparatus according to claim 1, further comprising movement restriction means.   5. The hoisting machine installation apparatus for a machine roomless elevator according to any one of claims 1 to 4, wherein the hoisting machine support is fixed to a car frame of a car using a rail clip. When installing the machine roomless elevator, the hoisting machine is lifted by using the hoisting machine installation apparatus according to any one of claims 1 to 5, and the hoisting machine installation part provided at the top of the hoistway The installation method,
Assemble the car inside the hoistway and move it up and down along the guide rail.
Removably attach the hoist installation device to the top of the car,
Place and fix the hoisting machine on the hoisting machine support,
Raise the car so that the hoisting machine support and the hoisting machine installation part are at the same height,
The hoisting machine is transferred and installed from the hoisting machine support to the hoisting machine installation part,
Remove the hoist installation device from the car;
A machine room-less elevator hoist installation method.

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