JP4921810B2 - Elevator installation apparatus and installation method using the same - Google Patents

Description

  The present invention relates to an installation device used when installing an elevator on a hoistway of a building and an installation method using the same, and more specifically, the installation work is efficiently and cost-effective by using a main car floor and an endless winch. Related to technology

  Conventionally, as a method of installing an elevator on a hoistway of a building, a gondola method or a method using a car cage frame is used.

  In the gondola method, a suspension mechanism is provided at the top of the hoistway, and a work gondola and a counterweight are suspended in a fishing bottle shape by a wire rope wound around the suspension mechanism, and the guide rail and The equipment is installed (see the “Prior Art” column of Patent Document 1 below).

  In addition, in the construction method using the car cage, the work floor, which is used only for elevator installation work, is installed on the upper part of the car frame and the car frame is attached by a pair of left and right endless winches attached to the car frame. Then, the work floor is moved up and down integrally to install guide rails and devices (see Patent Document 2 below).

JP-A-8-245116 JP-A-9-272671

By the way, in the above-described gondola method, a gondola adapted to the hoistway dimensions of a standard elevator is prepared in advance. Therefore, when installing a custom type elevator with special hoistway dimensions, or a bed elevator for placing a bed, stretcher, etc. in a hospital, etc., it is necessary to extend the existing gondola in the frontage and depth directions. .
However, even if the existing gondola is fully extended, it may not reach the inner wall surface of the hoistway, and the worker who installs the rail bracket may have to get out of the gondola and work. .

When the installation work is completed, the gondola is dismantled and returned to the factory for repair. However, it takes a lot of time and money to repair and repair the gondola with many components.
Furthermore, when the gondola is stored until the next installation work, the size in the frontage direction and the depth direction is reduced to a full extent, but the area occupied by one gondola is large and requires a considerable storage space.

Furthermore, in the construction method using the above-described permanent car frame, it is necessary to produce a work floor separately from the permanent car frame, which increases the production cost.
In addition, the work floor is lifted by a lifting machine to fix the work floor above the main car frame, and the work floor is carried into the hoistway to be assembled, disassembled and carried out. It is complicated.

  Accordingly, an object of the present invention is to provide an elevator installation device of a type that uses a permanent elevator floor and an endless winch, and an installation method using the same, that can solve the various problems of the conventional technology described above. There is to do.

The means described in claim 1 for solving the above problem is as follows.
An installation device used when installing an elevator on a hoistway of a building,
The elevator car floor,
A pair of left and right temporary frames detachably attached to the car floor and a temporary work handrail;
A pair of endless winches for lifting and lowering the car floor in the hoistway, which are detachably attached to the pair of left and right temporary standing frames via a frame fixed in advance around the frame. It is characterized by.
In addition, the main car floor is not a temporary installation, it is a part that actually constitutes the floor part of the completed elevator car, and the lower beam, floor receiving frame that constitutes a part of the car frame, Anti-vibration rubber, guide means for engaging the guide rail and safety means may be included.
According to a first aspect of the present invention, the wire rope that extends from the endless winch and hangs down is guided to the frame of the elevator installation apparatus described above so as to extend outside the handrail and the car floor. A wire rope guide is attached.

That is, since the elevator installation apparatus described in claim 1 uses the elevator's main car floor, it matches the dimensions of the hoistway where the elevator is installed, and an operator riding on the elevator installation hand is required. There is no need to set up from the slide.
Further, the only parts that are added to the main car floor and carried into the hoistway are only a pair of left and right temporary frames and temporary work handrails, and can be installed efficiently.
In addition, the parts that are returned to the factory after installation are repaired, repaired, and stored are only a pair of left and right temporary frames and temporary work handrails. Space can be greatly reduced.
In addition, since the frame is fixed to the endless winch in advance, it can be attached to a pair of left and right temporary frames using this frame, as well as a ceiling support means, a wire rope guide, and an eye bolt described below. Various components that are difficult to attach can be attached to the winch body.
In the elevator installation device according to the first aspect, the wire rope guide can be attached to the upper part of the frame body fixed to the endless winch.
Thereby, the wire rope that extends from the endless winch and hangs down can be extended to the lower part of the hoistway without being entangled with the temporary work handrail or the main car floor.

According to a second aspect of the present invention, the frame of the elevator installation device according to the first aspect is additionally provided with a suspension means for using the endless winch alone as a lifting machine. Features.
The hanging means is not limited to ready-made products such as eye bolts, hooks with rings, U bolts, etc., as long as it can be attached to a sling wire for lifting, and can also be produced by combining steel materials.

That is, according to the elevator installation device described in claim 2, the endless winch is suspended in the hoistway by the wire rope hanging from the ceiling of the hoistway, and various parts are suspended by the suspension means provided on the frame body. Can be hung.
As a result, the endless winch before being fixed to the pair of left and right standing frames is used as a lifting machine, and the components that constitute the main car floor, the pair of left and right temporary standing frames, the temporary work handrail, etc. Since the work to carry in to the road can be performed, the installation work can be performed efficiently.

  The means described in claim 3 is characterized in that a ceiling support means for supporting the ceiling member is detachably attached to the frame of the elevator installation apparatus described in claim 1. The ceiling member protects workers working on the car floor from above, for example, a plurality of plate-like members, and the ceiling support means includes columns and beams for supporting these plate-like members. It is a combination.

In other words, the elevator installation apparatus according to claim 3 attaches the ceiling support means to a frame that is fixed in advance to the endless winch, and the frame is fixed to a pair of left and right standing frames. The ceiling support means is supported by the pair of left and right standing frames via the frame.
Thereby, a dedicated member for attaching the ceiling support means to the pair of left and right standing frames is not necessary, and the structure of the installation apparatus can be simplified.

  According to a fourth aspect of the present invention, in the elevator installation apparatus according to the third aspect, the ceiling support means includes a plurality of pillar members that are combined so as to be relatively displaceable in the vertical direction. It has a free ceiling support column.

That is, in the elevator installation apparatus according to the fourth aspect, the distance between the main car floor and the ceiling member can be freely adjusted by extending and contracting the ceiling support column in the vertical direction.
As a result, when installing a hoisting machine, a control panel, various equipment, wiring, etc. at the top of the hoistway, the main car floor is raised to an optimal position in the hoistway and the height of the worker Therefore, the installation work can be performed more efficiently.

  According to a fifth aspect of the present invention, the ceiling support column in the elevator installation device according to the fourth aspect is disposed close to a wire rope extending from the top of the hoistway to the endless winch. It is characterized by that.

That is, in the elevator installation apparatus according to claim 5, since the ceiling support means is attached to the upper portion of the endless winch via the frame, the wire rope that suspends the endless winch and the ceiling support column are brought close to each other. It can be arranged.
Therefore, it is possible to protect an operator on the car floor from coming into contact with the wire rope or from inadvertently grasping the wire rope.

  According to a sixth aspect of the present invention, the ceiling support means in the elevator installation apparatus according to any of the third to fifth aspects comprises a plurality of beam members combined in a manner that allows relative displacement in the horizontal direction. It has a ceiling support body, It is characterized by the above-mentioned.

That is, in the elevator installation apparatus according to claim 6, the horizontal distance between the inner wall surface of the hoistway and the tip of the ceiling member can be freely adjusted by expanding and contracting the ceiling support body in the horizontal direction. Can do.
As a result, the distance between the inner wall surface of the hoistway and the tip of the ceiling member can be increased when the hoisting machine, control panel, various devices, wiring, etc. are attached at the top of the hoistway. The installation work can be performed more efficiently.

The means described in claim 7 is an installation method for installing an elevator on a hoistway of a building using the elevator installation device described in claim 1,
Using the endless winch as a lifting machine, suspending the permanent car floor, the pair of left and right temporary frames, and the temporary work handrails, and respectively carrying them into the hoistway;
Assembling the main car floor, a pair of left and right temporary frames, and a temporary work handrail;
Attaching the pair of endless winches to the pair of left and right temporary standing frames via the frame, respectively.

That is, in the elevator installation method according to claim 7 , the endless winch before being attached to the pair of left and right temporary frames is used as a lifting machine, the main car floor, the pair of left and right temporary frames, and Suspend temporary work railings and carry them into the hoistway.
And the endless winch used for carrying in can be directly attached to a pair of left and right temporary standing frames via the frame.
Thereby, the first stage of the elevator installation work can be performed very efficiently.

The means described in claim 8 is an installation method for installing an elevator on a hoistway of a building using the elevator installation device described in claim 6,
Attaching the ceiling support means to the frame of the endless winch;
Adjusting the vertical length of the support column of the ceiling support means;
Adjusting the horizontal length of the support beam of the ceiling support means;
Is further provided.

That is, in the elevator installation method according to claim 8 , the vertical distance between the main car floor and the ceiling member can be freely adjusted by expanding and contracting the ceiling support column in the vertical direction. The horizontal distance between the inner wall surface of the hoistway and the tip of the ceiling member can be freely adjusted by expanding and contracting the ceiling support in the horizontal direction.
As a result, when installing the hoisting machine, control panel, various equipment, wiring, etc. at the top of the hoistway, the main car floor is raised to the optimum position in the hoistway to increase the height of the worker. In addition, the clearance between the inner wall surface of the hoistway and the tip of the ceiling can be widened, so that the installation work can be performed more efficiently.

  As is apparent from the above description, according to the present invention, an elevator installation apparatus capable of efficiently performing elevator installation work, and easy and low-cost production, loading / unloading, maintenance / repair and storage thereof, and the same It is possible to provide an elevator installation method using the above.

Hereinafter, an embodiment of an elevator installation apparatus and an installation method using the same according to the present invention will be described in detail with reference to FIGS. 1 to 12.
In the following description, the same reference numerals are used for the same parts, and redundant descriptions are omitted.

The elevator installation apparatus 100 of the present embodiment shown in FIG. 1 is an apparatus used when installing an elevator in a hoistway 1 provided in a building, and is a pair of left and right extending upward from a buffer base 2 at the bottom of the hoistway. It can be moved up and down along the car side guide rails 3L, 3R.
Further, it is possible to engage with the driving wire rope 5 and the safety device wire rope 6 that hang down from the suspension beam 4 laid horizontally on the top of the hoistway, respectively, to ascend and descend and to ensure safety.

  2, the installation apparatus 100 includes a car floor assembly 10, a pair of left and right endless winch assemblies 20L and 20R, a pair of left and right ceiling support columns 30L and 30R, and a ceiling support. 40.

The car floor assembly 10 includes a main lower beam 11 constituting a part of an elevator car frame installed on the hoistway 1, a main floor receiving frame 12 constituting a part of a car, and a vibration isolating rubber (see FIG. Not shown), a car floor 13, a pair of left and right temporary frames 14L and 14R, a temporary work handrail 15, guide means (not shown) engaged with the car side guide rails 3L and 3R, and safety means (see FIG. (Not shown) are assembled together.
At this time, the vertical lengths of the pair of left and right temporary standing frames 14L and 14R are shorter than the main standing frame constituting the elevator car frame, and the car side guide rails 3L and 3R are provided on the inner wall surface of the hoistway 1. It is designed to prevent any trouble in the work of fixing.
Further, the temporary work handrail 15 is fixed using a baseboard mounting hole penetrating the upper surface of the car floor 13, and the open / close door 16 constituting the entrance / exit for the worker can be freely opened and closed and locked. Is provided.

As shown in FIG. 3, the pair of left and right endless winch assemblies 20L and 20R includes an upper frame body 23 formed by bending a thick steel plate using a plurality of pins 22 on a conventionally used winch body 21 and The lower frame 24 is fixed, and the upper frame 23 and the lower frame 24 are integrally connected by a bolt B.
Further, a wire rope guide 25 in which a steel pipe is bent in a U shape is detachably attached to the upper frame 23, and a driving wire rope 5 that extends upward from the driving portion of the endless winch and hangs down is provided. It is guided so as to extend downward without being entangled with the work handrail 15 or the car floor 13.
Further, the end frame winch assembly 20 can be used alone as a lifting machine, and the lower frame 24 can be easily moved on the floor of the work floor. Caster wheels 27 are attached.
Furthermore, as shown in FIG. 4, the pair of left and right endless winch assemblies 20L and 20R is composed of an upper bracket 28 connected to the upper frame 23 and a lower bracket 29 connected to the lower frame 24. It can be fixed to the temporary standing frames 14L and 14R, respectively.

As shown in FIGS. 4 and 5, the pair of left and right ceiling support columns 30L and 30R are fixed to the upper surface of the upper frame 23 using a bracket 31 and extend upward, and the lower column member 32 extends downward. The intermediate column member 33 is supported so as to be relatively displaceable in the vertical direction with respect to the column member 32, and the upper column member 34 is supported so as to be relatively displaceable in the vertical direction with respect to the intermediate column member 33. The pair of left and right temporary frames 14L and 14R are connected to the upper ends of the pair of left and right temporary arms via support arms 35.
Thereby, the ceiling support columns 30L and 30R can be expanded and contracted in the vertical direction as a whole, and the vertical distance between the car floor 13 and the ceiling support body 40 can be adjusted.
Further, the ceiling support columns 30L and 30R are disposed close to the drive wire rope 5 extending downward from the top of the hoistway 1 so that workers on the car floor assembly 10 come into contact with the drive rope 5. It plays the role of protecting it from being caught inadvertently.
In addition, by providing a guide member slidably engaged with the drive wire rope 5 in the ceiling support columns 30L and 30R, it can be used as a guide means for guiding the drive wire rope 5.

The ceiling support 40 is for supporting a ceiling member (not shown) such as a punch metal plate, for example, and is connected to the upper ends of the pair of left and right upper support columns 34 as shown in FIGS. And a central support 41 extending horizontally and a plurality of end supports 42 combined with the central support 41 so as to be relatively displaceable in the horizontal direction.
Thereby, the horizontal direction distance between the front-end | tip of the edge part support body 42, therefore the front-end | tip of the ceiling member which is not shown in figure, and the inner wall face of the hoistway 1 can be changed as needed.

  Next, with reference to FIGS. 7-12, the work procedure of the construction method which installs an elevator in the hoistway 1 using the installation apparatus 100 of this embodiment is demonstrated.

In the elevator installation method shown as a flow diagram in FIGS. 7 to 9, after carrying various materials used for the elevator installation work in the first step (hereinafter referred to as S <b> 1 etc.) into the bottom pit of the hoistway 1, In S <b> 2, the driving wire rope 5 and the safety device wire rope 6 are suspended from the suspension beam 4 at the top of the hoistway 1.
At this time, as shown in FIG. 10, both the wire ropes 5 and 6 can be suspended from the ceiling hook 7 fixed to the suspension beam 4 by using the hook 8 with the ring and the shackle 9.
Then, in S3, the lower end portion of the drive wire rope 5 is brought close, the tip thereof is inserted into the winch main body 21 and the electric motor of the winch main body 21 is operated, and the endless winch assembly 20 is lifted as shown in FIG. Ready to use as heavy equipment.
At this time, the wire rope guide 25 can be removed.

In S4 to S6, by using the endless winch assembly 20 as a lifting machine as shown in FIG. 12, the main lower beam 11, the main floor receiving frame 12, the anti-vibration rubber, the car floor 13, the left and right A pair of temporary standing frames 14L and 14R, a temporary work handrail 15, a pair of left and right ceiling support columns 30L and 30R, a ceiling support body 40, a ceiling member, and the like are carried into the bottom pit of the hoistway 1.
That is, in the installation apparatus 100 of this embodiment, since the eyebolt 26 is provided in the lower frame 24 of the endless winch assembly 20, the endless winch assembly 20 can be used alone as a lifting machine, and the elevator installation work The first stage of can be advanced efficiently.

In S7 to S9, the main lower beam 11 carried into the bottom pit of the hoistway 1, the main floor receiving frame 12, the anti-vibration rubber, the car floor 13, a pair of left and right temporary frames 14L and 14R, and temporary The work handrail 15 and the like are assembled together.
The pair of left and right endless winch assemblies 20L and 20R are suspended by the drive wire rope 5, and the pair of left and right temporary frames 14L and 14R are attached via brackets 28 and 29 attached to the frames 23 and 24, respectively. Attach to the specified position.
That is, in the installation apparatus 100 of this embodiment, since the frame bodies 23 and 24 are fixed to the endless winch assembly 20 in advance, the attachment to the standing frames 14L and 14R via the brackets 28 and 29 is easily performed. be able to.

At the end of S9, the driving wire ropes 5 are once extracted from the endless winch assemblies 20L and 20R, so that the ceiling support columns 30L and 30R are attached to the upper surface of the upper frame body 23 in S10, and the ceiling support columns 30L. , 30R and the ceiling member 40 can be easily attached to the ceiling support 40.
That is, in the installation apparatus 100 of the present embodiment, since the upper frame body 23 is fixed in advance to the endless winch assemblies 20L and 20R, the ceiling support columns 30L and 30R can be easily attached.

  In S11, the drive wire rope 5 is again inserted into the endless winch assemblies 20L and 20R, and the safety device wire rope 6 is inserted into safety means (not shown) provided in the lower beam 11, In S12, the preparation for performing the trial operation of the installation apparatus 100 of the present embodiment is completed.

Since the driving wire rope 5 extends in the vertical direction in the vicinity of the ceiling support columns 30L and 30R, an operator on the car floor 13 may contact the driving wire rope 5 or be inadvertently gripped. Can be reliably prevented.
Further, the drive wire rope 5 extending upward from the endless winch assemblies 20L and 20R and hanging down is guided by the wire rope guide 25 and extends to the outside of the work handrail 15 and the car floor 13, so that the drive It is possible to reliably prevent the wire rope 5 from being entangled with the work handrail 15 and the car floor 13.

Moreover, by operating the installation apparatus 100 of this embodiment and raising / lowering, a series of work processes which install an elevator in the hoistway 1 shown to S13-S32 of FIGS. 8-9 can be performed sequentially.
At this time, the elevator installation apparatus 100 and the installation method using the elevator installation apparatus according to the present embodiment use the elevator's main car floor 13, and therefore match the dimensions of the hoistway where the elevator is installed. It is not necessary for the worker who has been on the board to get out of the handrail 15 for work and perform the installation work.

In addition, the vertical distance between the car floor assembly 10 and the ceiling support 40 can be freely adjusted by extending and contracting the ceiling support columns 30L and 30R in the vertical direction, and the ceiling support 40 can be adjusted in the horizontal direction. The horizontal distance between the inner wall surface of the hoistway 1 and the tip of the ceiling member can be freely adjusted by extending and contracting.
Thereby, when performing the operation | work which attaches a hoisting machine, a control panel, various apparatuses, wiring, etc. in the top part of the hoistway 1, the ceiling support body 40 is arrange | positioned lowly and the car floor assembly 10 is put in the hoistway 1. It can be raised to the optimum position to match the height of the worker, and the work space can be secured by widening the gap between the inner wall surface of the hoistway 1 and the tip of the ceiling member. It can be performed even more efficiently.

Furthermore, in S33 which is the final stage of the installation work, the ceiling member, the ceiling support body 40, the ceiling support columns 30L and 30R, the endless winch assemblies 20L and 20R, the temporary standing frames 14L and 14R, and the work handrail 15 are sequentially arranged. Remove.
Then, by using the endless winch assembly 20 alone as a lifting machine, these members can be carried out of the hoistway 1.
Furthermore, the parts to be returned to the factory for repair, repair and storage are the ceiling member, ceiling support 40, ceiling support columns 30L and 30R, endless winch assemblies 20L and 20R, temporary standing frames 14L and 14R, and temporary work. Since only the handrail 15 is used, the cost for maintenance and repair and the space required for storage can be greatly reduced.

Next, in S34 and S35, the main frame and the upper beam constituting the elevator car frame are carried in and assembled, and in S36, the parts constituting the car are sequentially carried in and assembled.
Then, by connecting the main rope to the upper beam of the car frame, the operation of installing the elevator on the hoistway 1 is almost completed.

As mentioned above, although one embodiment of the elevator installation apparatus and the installation method using the elevator according to the present invention has been described in detail, the present invention is not limited to the above-described embodiment, and various modifications can be made. Needless to say.
For example, in the above-described embodiment, the drive wire rope 5 that suspends the endless winch assemblies 20L and 20R is formed on the outer surface of the column members 32, 33, and 34 that constitute the ceiling support columns 30L and 30R. Along the vertical direction.
On the other hand, the ceiling support columns 20L and 20R can be assembled from a plurality of tubular members combined in a nested manner, and the drive wire rope 5 can be inserted inside these tubular members.

The perspective view which shows the state which performs installation work using the apparatus of this invention. The perspective view which expands and shows the installation apparatus shown in FIG. (A) Left side view and (b) Front view showing an endless winch. The front view which shows the state which attached the endless winch to the standing frame. The right view which shows the state which attached the endless winch to the standing frame. The perspective view shown in the state which lowered | hung the ceiling entirely and retracted the front end. The flowchart which shows an elevator installation construction method. The flowchart which shows an elevator installation construction method. The flowchart which shows an elevator installation construction method. The perspective view which expands and shows a hanging part. The front view which shows an endless winch in a single-item state. The figure which shows the state which used the single-piece endless winch as a lifting machine.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Hoistway 2 Buffer stand 3L, 3R Car side guide rail 4 Suspension original beam 5 Drive wire rope 6 Safety device wire rope 7 Ceiling hook 8 Ring hook 9 Shackle 10 Car floor assembly 11 Lower beam 12 Floor receiving frame 13 Car floor 14L, 14R Temporary standing frame 15 Temporary handrail 16 Opening / closing door 20L, 20R Endless winch assembly 21 Winch body 22 Pin 23 Upper frame 24 Lower frame 25 Wire rope guide 26 Eye bolt (suspending means)
27 Caster wheels 28, 29 Brackets 30L, 30R Ceiling support column 31 Bracket 32 Lower column member 33 Intermediate column member 34 Upper column member 35 Support arm 40 Ceiling support 41 Central support 42 End support 100 Elevator of one embodiment Installation equipment

Claims (8)

An installation device used when installing an elevator on a hoistway of a building,
The elevator car floor,
A pair of left and right temporary frames detachably attached to the car floor and a temporary work handrail;
A pair of endless winches for raising and lowering the car floor in the hoistway, which are detachably attached to the pair of left and right standing frames via a frame fixed in advance around the frame;
Equipped with a,
A wire rope guide for guiding a wire rope extending downward from the endless winch and extending outside the handrail and the car floor is attached to the frame body. Installation device.   The elevator installation apparatus according to claim 1, wherein the frame body is provided with suspension means for using the endless winch alone as a lifting machine.   The elevator installation apparatus according to claim 1, wherein a ceiling support means for supporting the ceiling member is detachably attached to the frame body.   The elevator according to claim 3, wherein the ceiling support means has a ceiling support column that is vertically extendable and includes a plurality of column members that are combined so as to be relatively displaceable in the vertical direction. Installation equipment.   The elevator installation apparatus according to claim 4, wherein the ceiling support column is disposed close to a wire rope extending from the top of the hoistway to the endless winch.   The elevator installation according to any one of claims 3 to 5, wherein the ceiling support means includes a ceiling support body including a plurality of beam members that are combined so as to be relatively displaceable in a horizontal direction. apparatus. An installation method for installing an elevator on a hoistway of a building using the elevator installation device according to claim 1,
Using the endless winch as a lifting machine, suspending the permanent car floor, the pair of left and right temporary frames, and the temporary work handrails, and respectively carrying them into the hoistway;
Assembling the main car floor, a pair of left and right standing frames, and a handrail;
Attaching the pair of endless winches to the pair of left and right standing frames assembled to the car floor using the frame,
An elevator installation method characterized by comprising: An installation method for installing an elevator on a hoistway of a building using the elevator installation device according to claim 6,
Attaching the ceiling support means to the frame of the endless winch;
Adjusting the vertical length of the support column of the ceiling support means;
Adjusting the horizontal length of the support beam of the ceiling support means;
The elevator installation method according to claim 7 , further comprising:

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