JPH0940320A - Centering device for elevator guide rail - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform the centering of a guide rail with accuracy in a short time without depending on a skill of a worker. SOLUTION: A base member 30 is provided with holding devices 63a, 63b through extending devices 331, 332, and the whole device is held to a steel member such as an intermediate beam, provided at an elevator shaft wall, by the holding devices 63a, 63b. The base member 30 is provided with a grip device 45b or the like through a first position adjusting device 42 and second position adjusting devices 481, 482. In a supported state by the holding devices 63a, 63b, a rail member is gripped by the grip device 45b or the like, and while operating the first position adjusting device 42 and the second position adjusting devices 481, 482, the rail member is displaced to perform centering.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a centering device for elevator guide rails.

[0002]

2. Description of the Related Art As a conventional centering device for elevator guide rails, the one described in Japanese Patent Laid-Open No. 61-127583 is known, which will be described with reference to FIGS. First, as shown in FIGS. 7 and 9, a pair of piano wires 1a and 1b are stretched in the hoistway 3, and a plurality of rail members 4a on the same side with respect to one piano wire 1a are used as a reference.
4n are sequentially erected over the entire length of the hoistway 3 and are connected to each other to form an integrated guide rail 4. Similarly, a plurality of rail members 5a on the other side of the other piano wire 1b are used as a reference. 5b are erected in sequence over the entire length of the hoistway 3, and these are connected to each other to form an integrated guide rail 5.

The standing work of the guide rails 4 and 5 is carried out according to the flow chart shown in FIG. 8. First, in step S1, a pair of piano wires 1a and 1b are removed from the machine room 2 with reference to a predetermined position of a building (not shown). The lowermost rail member 4n is centered on the lower part of the hoistway 3 while being hung in the hoistway 3 and using the piano wire 1a as a reference in step S2, and in that state, the lowermost rail member 4n is passed through a rail bracket (not shown). Fix it. Similarly, the other guide rail 5
The lowermost rail member is erected and centered and fixed with the piano wire 1b as a reference. Then, in step S3,
As shown in FIG. 7, the rail member 4a is lifted by driving the winch 6, the lower end of the rail member 4a is connected to the upper ends of the other rail members 4b, and the connected rail members 4a and 4b are lifted to form a rail. After repeatedly connecting the upper ends of the other rail members 4c to the lower ends of the members 4b to sequentially connect the rail members over the entire length of the hoistway 3, the lower ends of the connected rail members are connected to the lowermost rail member 4n in step S4. Is connected to the upper end of to form an integrated guide rail 4,
The upper end of the guide rail 4 integrated in step S5, that is, the upper end of the rail member 4a is held on the floor 2a of the machine room 2. Similarly, the rail member on the other side is also integrated into the guide rail 5, and its upper end is held on the floor 2 a of the machine room 2. Next, in step S6, the car frame 7 and the work floor 8 that engage with the lowermost rail member 4n of the guide rail 4 and the lowermost rail member 5n of the guide rail 5 are driven by a hoist (not shown) in the machine room 2. An operator who has raised the guide rail 4 and the guide rail 5 has centered and fixed the guide rails 4 and 5 in step S7.

At the time of actual centering work, a centering device 9 shown in FIG. 10 which is a plan view showing an enlarged main part of FIG. 9 is shown.
Is used. The centering device 9 is a bar-shaped base 10 installed on the work floor 8 and extending in the horizontal direction, and a gripping device 11 and a reference part 12 provided at one end of the base 10.
And a gripping device 13 and a reference portion 14 provided at the other end of the base portion 10. The gripping device 11 is a fixed member 1 that sandwiches a rail member 4 a that constitutes the guide rail 4.
1a and the movable member 11b, and a bolt 11c that holds the rail member 4a by tightening them, and the reference portion 12 has a reference surface 12a formed at one end thereof in the X direction which is the left-right direction of FIG. A reference line 12b in the Y direction, which is the vertical direction in FIG. 10, is attached to the upper surface of the reference portion 12. Similarly, the gripping device 13 and the reference portion 14 also include a fixed member 13a and a movable member 13b that sandwich the rail member 5a that constitutes the guide rail 5, and a bolt 13c that clamps the rail member 5a and grips the rail member 5a. The reference portion 14 has a reference surface 14a formed at one end thereof in the X direction, which is the left-right direction in FIG. 10, and a reference line 14b in the Y direction, which is the up-down direction in FIG. Has been done.

The centering and fixing work of the rail members 4a and 5a using the centering device 9 is performed as follows. First, the guide portion 41a of the rail member 4a is attached to the gripping device 1
1 and then, in this state, the fixing portion 4 of the rail member 4a.
2a is temporarily fixed to the car side bracket 15b by the rail clip 15a. The rail clip 15a is connected to a car side bracket 15b, and the car side bracket 15b is bolted to a hoistway bracket 15c fixed to the hoistway wall 16 by an anchor bolt (not shown). Similarly, the guide portion 51a of the rail member 5a is grasped by the grasping device 13, and in this state, the fixing portion 52a of the rail member 5a is temporarily fixed by the rail clip 16a, whereby the car side bracket 16b and the hoistway side bracket 16c are separated. The rail member 5a is temporarily fixed to the hoistway wall 17 via the above. Thereafter, the operator moves the rail member 4a in the X direction while hitting the cage bracket 15b with a hammer (not shown) to move the piano wire 1a to the reference portion 1
The distance to the reference surface 12a of 2 is set to a predetermined dimension, and the hoistway bracket 1
The rail member 4a is moved in the Y direction while striking 5c so that the distance from the piano wire 1a to the reference line 12b of the reference portion 12 becomes a predetermined dimension. Similarly to this work, the operator moves the rail member 5a in the X direction while hitting the cage bracket 16b with a hammer (not shown) so that the distance from the piano wire 1b to the reference surface 14a of the reference portion 14 becomes a predetermined dimension. At the same time, the rail member 5a is moved in the Y direction while hitting the hoistway bracket 16c with a hammer so that the distance from the piano wire 1b to the reference line 14b of the reference portion 14 becomes a predetermined dimension. After centering the rail members 4a and 5a in this manner, the car side rail brackets 15b and 16b and the hoistway side bracket 15c,
Fully tighten the fixing bolts of 16c to secure the rail members 4a, 5a.
Is permanently fixed to the hoistway walls 16 and 17.

[0006]

However, the conventional centering device for the elevator guide rail has the rail member 4
a, 5a are gripped by rail clips 15a, 16a and temporarily fixed to hoistway side brackets 15c, 16c via car side brackets 15b, 16b, and then piano wires 1a,
Using 1b as a reference, the rail members 4a and 5a are moved in the X and Y directions, respectively, while striking the car-side brackets 15b and 16b and the hoistway-side brackets 15c and 16c so that the reference portions 12 and 14 are arranged at predetermined positions. Since it is necessary to perform the centering and then the main fixing, it takes a lot of time to adjust the position, which deteriorates the working efficiency. Furthermore, the distance from the piano wire 1a to the reference plane 12a and the reference line 12b, and the piano wire 1b to the reference plane 14
Since the operator visually checks the distances to a and the reference line 14b, the car side brackets 15b and 16b and the hoistway side brackets 15c and 16c are hit to adjust the position, which is a delicate adjustment work. There is a concern that the centering accuracy may decrease depending on the skill level of the operator.

An object of the present invention is to provide an elevator guide rail centering device capable of accurately centering a guide rail in a short time without depending on the skill of an operator.

[0008]

In order to achieve the above object, the present invention centers an elevator guide rail for centering a rail member at a predetermined position in a hoistway with a piano wire hanging in the hoistway as a reference. In the device, a holding device for detachably supporting the base member on the steel member of the hoistway is provided at both ends of the base member through an extension device that can extend to the hoistway side, and the position adjustment is performed on the base member. A gripping device capable of supporting the rail member via a possible position adjusting device and gripping the rail member is provided.

[0009]

In the centering device for the elevator guide rail according to the present invention, the holding device is fixed to the steel frame provided on the hoistway wall as described above, the base member is detachably supported by the holding device, and this supporting is performed. For the base member,
For example, since the gripping device for gripping the rail member is provided via the position adjusting device that can adjust the position in the X direction and the Y direction, it is possible to stably hold the entire device on the hoistway wall without changing the structure of the hoistway. In this state, the position adjusting device can be operated to displace the gripping device, and the rail member can be centered, so that it is easy and highly accurate in a short time without being influenced by the skill level of the operator. Since it is possible to perform centering, the work of centering while hitting the car side bracket and hoistway side bracket with the rail member temporarily fixed as in the past is not necessary, and the work efficiency of centering and fixing work is greatly improved. can do.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of an elevator guide rail centering device according to an embodiment of the present invention, and FIG. 2 is a plan view showing a state in which the elevator guide rail centering device is arranged on a handrail of a work floor. At both ends of the cylindrical base member 30, extension devices 331 and 332 that can extend in the axial direction of the base member 30 are respectively configured. As shown in FIG. 2, the extension device 331 at one end of the extension device 331 is used to
It has an extension member 33a attached so as to be slidable in the axial direction, and a holding mechanism 32a for releasably fixing the extension member 33a extended to an appropriate length to the base member 30. The extension device 332 provided at the other end of the base member 30 includes an extension member 33b that is slidably attached to the base member 30 in the axial direction as shown in FIG. The holding mechanism 19 for releasably fixing the member 33b to the base member 30 is provided, and the holding mechanism 19 includes the extension member 33b.
And a lever 35a for applying a pushing force to the pushing clamp 35, a base plate 34 to which the pushing clamp 35 and the lever 35a are attached, and a lever 32b for fixing the base plate 34 to the base member 30. Has been done.

Retaining devices 63a and 63b having the same structure are formed at both ends of the extending members 33a and 33b. Here, the retaining device 63a is taken as an example in an enlarged plan view of FIG. 5 and an enlarged side view. This will be described with reference to FIG. As shown in the figure, the holding device 63a includes a shaft portion 64a that is fitted to the extension member 33a so as to be displaceable in the vertical direction, and a dial stopper that releasably engages the shaft portion 64a with the extension member 33a. 66a, and a clamp 80a which is provided on the shaft portion 64a and holds a steel frame member such as the intermediate beam 61 or the fastener plate 62, which is a structural member of a building having a steel frame structure. This clamp part 8
Reference numeral 0a denotes an upper receiving portion 81a and a lower receiving portion 69a which are joined to the upper portion of the shaft portion 64a so as to face each other, and a holding plate 70a attached to the upper receiving portion 81a via a plurality of connecting members 82a so as to be vertically displaceable. , A screw body 68a which is screwed into the upper receiving portion 81a and whose lower end portion is in contact with the pressing plate 70a.
And a holding lever 67a that is connected to the screw body 68a and converts the screw body 68a into a vertical movement by rotating the screw body 68a. Here, the intermediate beam 61 is a structural member made of steel such as H steel, which is a structural member of the building, and the fastener plate 62 is welded to the intermediate beam 61 by a rail bracket for fixing the rail member 4a. It is a fixed component.

On the sides of the decompressors 331, 332, FIG.
As shown in FIG. 3, the gauge member 3 is movably juxtaposed along the guide member 18 fixed at an appropriate position of the base member 30.
8 and the gauge member 38 is the first position adjusting device 4
2 is configured to be moved and adjusted in the axial direction. The first position adjusting device 42 is used for the base member 3
A connecting portion 42b for connecting the female screw portion 36 coupled to 0 and the x-direction adjusting screw portion 37 screwed to the female screw portion 36.
The dial portion 42a is attached to the x-direction adjusting screw portion 37 and is rotated to displace the gauge member 38 in the axial direction via the connecting member 42b, that is, in the x-direction, which is the direction in which the expansion devices 331 and 332 slide. When,
Holding portions 38 respectively connected to both ends of the gauge member 38
a and 38b.

The holding portions 38a and 38b are respectively provided with second position adjusting devices 481 and 482 which are displaceable in the y direction which is a direction perpendicular to the above-mentioned x direction. The second position adjusting device 481 is an enlarged view of FIG.
A connecting portion 72a fixed to the holding portion 38a as shown in FIG.
The y-direction adjusting screw portion 47a extending in the y-direction of FIG. 1 and fitted in the connecting portion 72a, the dial portion 48a connected to the front end of the y-direction adjusting screw portion 47a, and the y-direction position adjusting screw portion 47a. Of the female screw portion 46a screwed on the other end side of the
Base plate 7 slidably supported with respect to a
1a, and by rotating the dial portion 48a, the base plate 71a can be displaced in the y direction which is the direction perpendicular to the direction in which the extension devices 331 and 332 slide. On the base plate 71a, a gripping device 45a that grips the rail member 4a in a releasable manner is formed. The gripping device 45a includes a rear surface contact portion 39a that contacts the rear surface of the rail member 4a, a guide surface contact portion 40a that contacts the guide surface of the rail member 4a, and a tension clamp for holding the rail member 4a under pressure. 44a, a back surface contact portion 39a, a guide surface contact portion 40a, and a reference surface 4 described later.
The rail member 4a is arranged in a region surrounded by 1a, and when the pulling clamp 44a is operated, the rail member 4a is sandwiched. Also, the base plate 7
A reference member 411 is fixedly coupled to the upper portion of the la 1a, and the reference member 411 includes a reference surface 41a that holds the rail member 4a between the grip device 45a and the piano wire that hangs down in the hoistway. The reference plate 43a serves as a reference for the relative position between the hanging position of 1a and the centering device of the elevator guide rail. Also, the gauge member 38
A second position adjusting device 482, a gripping device 45b, a reference member 412, and the like are formed at the end portion on the opposite side of
These are the second position adjusting device 481 and the gripping operation 45a.
The reference member 411 and the reference member 411 have the same symmetrical structure, and detailed description thereof will be omitted.

Next, the centering work of the rail members 4a and 4b using the above-described centering device for elevator guide rails will be described. Now, when centering the elevator guide rails, as shown in FIG. 2, on the handrail 50 of the work floor 8 provided on the car, the contact devices 331, 332 are set so as not to contact the hoistway wall. It is installed in a contracted state with respect to the member 30. At this time, the gripping devices 45a, 45b
Is not in the position where the rail members 4a and 4b are pulled in by the tension clamps 44a and 44b, but is in an opened state as shown in FIG. In this state, the car is moved and stopped so that the work floor 8 comes to the predetermined installation and fixed position of the rail members 4a and 4b. While the car is moving, the reference members 411 and 412 and the rail members 4a and 4a, In order to prevent the entire centering device of the elevator guide rail from being unbalanced due to the contact of 4b, the holding portions 38a, 38
b are provided with balance plates 51a and 51b,
The balance plates 51a and 51b are engaged with the handrail 50.

Thereafter, as shown in FIG. 5, the extending member 33a is formed.
The clamp part 80a of the holding device 63a is
1 or when the fastener plate 62 is slid horizontally to a grippable position and the fastener plate 62 is held by the holding device 63a, the holding device 63
The dial stopper 66a of a is rotated and loosened, and the clamp portion 80a of the holding device 63a is attached to the fastener plate 62.
The shaft portion 64a is moved vertically to a position where it can be gripped, and the pressing plate 70a and the lower receiving portion 69 of the clamp portion 80a are moved.
The fastener plate 62 is sandwiched between a and a, and in this state, the dial stopper 66a is rotated and tightened this time to fix the shaft portion 64a to the extension member 33a. Then
The holding lever 67a is rotated to move the screw body 68a to the lower side, and a downward pressing force is applied to the pressing plate 70a to hold the fastener plate 62 between the pressing plate 70a and the lower receiving portion 69a with a constant gripping force. And hold it. This gripping operation is performed after it is confirmed that the fastener plate 62 is sufficiently deep inside the clamp portion 80a so that the screw body 68a of the holding lever 67a effectively acts as a gripping force. Thereafter, while the fastener plate 62 is held by the clamp portion 80a, the lever 32a shown in FIG. 2 is rotated to move the extension member 33a to the base member 30.
Fixed to. The other holding device 63b is also operated in the same manner as the holding device 63a to fix the entire centering device centered on the base member 30 to the hoistway.

On the other hand, when the fastener plate 62 does not fit deep into the clamp portion 80a, the clamp portion 80a is appropriately rotated about the shaft portion 64a as shown by an arrow 65 in FIG. By gripping or gripping the intermediate beam 61, as in the case described above, the base member 30 and the extension members 33a, 33a,
The whole centering device can be fixed to the building by integrating with 33b.

Next, by pushing the lever 35a shown in FIG. 1 in the direction of the arrow, the pushing clamp 3 shown in FIG.
5 and the extension member 33b will be given a pressing force,
A reaction force is generated in the opposite direction also in the expansion device 331 that is held integrally with the expansion device 332, and, for example, the expansion member 3
It is also possible to hold the base member 30 firmly against the hoistway walls 3a and 3b by a certain tension by abutting the hoistway walls 3a and 3b on the hoistway walls 3a and 3b.

If the centering device for the elevator guide rail is held with respect to the hoistway walls 3a and 3b in this way,
Next, as shown in the plan view of FIG.
Although the rail members 4a and 4b are clamped and held by b, they are open at the present moment as shown in the plan view of FIG. Therefore, the pulling clamp 44 of the gripping device 45a
When the lever portion 55a of a is pulled, as shown in FIG. 4, the rail member 4a is pulled in by the rear surface contact portion 39a, and the rear surface contact portion 39a, the guide surface contact portion 40a, and the reference surface 41a of the reference member 411. The rail member 4a is clamped and held between them. At this time of pulling in, the rail member 4a is pulled in the direction of the arrow 56, that is, in the direction of the center of gravity 57 of the rail member 4a so that the rail member 4a does not tilt or an unreasonable force is applied to the tension clamp 44a. The angle of the pull clamp 44a is set. Further, the gripping device 45b is also configured in the same manner, and holds the rail member 4b with a sandwiching force.

Next, a description will be given of the position adjusting work of the rail members 4a and 4b in the state of being held by the holding devices 45a and 45b to the centering positions. First, the dial portion 42a of the first position adjusting device 42 attached to the gauge member 38 shown in FIG. 1 is rotated to displace the gauge member 38 in the x direction, and a holding member connected to both ends of the gauge member 38. 38a and 38b are displaced in the x direction. This holding member 3
Since gripping devices 45a and 45b for gripping the rail members 4a and 4b are provided above the 8a and 38b, the positions of the rail members 4a and 4b are also changed by the rotation of the dial portion 42a of the first position adjusting device 42. Displaced, the piano wire 1a,
It is possible to make the distance between 1b and the reference plates 43a and 43b, that is, the x dimension shown in FIG. For this reason, the rail members 4a and 4b are held in a state in which the core at the position in the x direction in the hoistway is extended.

Next, the dial portions 48a and 48b of the second position adjusting devices 481 and 482 shown in FIG. 4 are rotated to displace the base plates 71a and 71b in the y direction. Since the gripping devices 45a and 45b that grip the rail members 4a and 4b are supported on the upper portions of the base plates 71a and 71b, the rail members 4a and 4b are also displaced as they are. While displacing the rail members 4a and 4b in the y direction, the piano wires 1a and 1b and the reference plate 43 are
When the operation of the dial portions 48a and 48b is stopped so that the interval between the marking lines 58a and 58b attached to a and 43b, that is, the Y dimension in FIG.
The cores at the positions in the y direction in the hoistway of a and 4b are held in an unrolled state. In this way, the rail members 4a, 4
When the predetermined centering position to be attached to b is determined, the rail bracket is assembled according to the rail members 4a and 4b, and the rail bracket is attached to the fastener plate 6.
The rail members 4a and 4b can be permanently fixed in a state of being centered in the building by being coupled to the two or the intermediate beams 61. When the main fixing to the building is completed, the holding levers 67a and 67b and the dial stoppers 66a and 66b shown in FIG. 6 are loosened to hold the holding devices 63a and 63b.
Is released from the holding state of the fastener plate 62 or the intermediate beam 61 by the holding devices 63a and 63b. Further, the pull clamps 44a and 44b are returned, and the rail members 4 by the gripping devices 45a and 45b are returned.
The holding of a and 4b is released, the lever 35a of the pushing clamp 35 is returned in the direction opposite to the arrow 51, and the lever 32a
The a and 32b are returned to their original positions, and the extension members 33a and 33b are pulled inward to obtain the state before the start of work shown in FIG. Next, by loosening the levers 32a and 32b shown in FIG. 1 and pulling the extension members 33a and 33b inward,
It will be in the state before the work starts, and it will be possible to move to the next centering point together with the car.

As described above, even in a building having a steel frame structure,
Since the rail members 4a and 4b can be stably fixed to the building, the centering and main fixing can be easily and accurately performed. In addition, the elevator guide rail centering device is used as an extension device 331 or 332 or a holding device 63.
Since the guide members 4a and 4b are releasably supported on the hoistway wall by a and 63b, and the guide members 4a and 4b are positionally adjustable, the guide members 4a and 4b need to be temporarily fixed to support the whole. In addition, there is no need to perform position adjustment work with a hammer or the like for temporary fixing, and the first position adjusting device 42 and the second position adjusting devices 481, 4 are attached to the base member 30 supported on the hoistway wall.
The guide members 4a and 4b can be displaced while operating 82 to easily perform centering.

Incidentally, the guide member 4 in the above-mentioned embodiment.
Specific configurations of the gripping devices 45a and 45b for gripping a and 4b and the position adjusting devices 42, 481 and 482 for positioning the gripping devices 45a and 45b in the x direction and the y direction are as follows.
It can be used without limitation to the one shown.

[0023]

As described above, the centering device for the elevator guide rail according to the present invention is supported on the steel frame member of the hoistway wall by the holding device provided on the base member, and the base member is provided with the position adjusting device. Since the gripping device for gripping the guide member is provided, it is not necessary to temporarily fix the guide member to support the whole unlike the conventional case, and it is not necessary to perform position adjustment work with a hammer or the like after the temporary fixing.
The guide member can be displaced while operating the position adjusting device with respect to the base member supported on the hoistway wall, and centering can be performed accurately in a short time regardless of the skill level of the operator.

[Brief description of drawings]

FIG. 1 is a perspective view showing an elevator guide rail centering device according to an embodiment of the present invention.

FIG. 2 is a plan view showing a state in which the elevator guide rail centering device shown in FIG. 1 is arranged on a work floor.

FIG. 3 is an enlarged plan view of a main part of the centering device for the elevator guide rail shown in FIG.

FIG. 4 is an enlarged plan view of a main part of the elevator guide rail centering device shown in FIG. 2 in a different state.

5 is an enlarged plan view of an essential part showing a mounted state of the centering device for the elevator guide rail shown in FIG. 1. FIG.

6 is an enlarged side view of a main part of the centering device for the elevator guide rail shown in FIG.

FIG. 7 is a cross-sectional view of a hoistway at the time of centering a conventional elevator guide rail.

FIG. 8 is a flowchart showing a procedure of centering work for a conventional elevator guide rail.

9 is an enlarged perspective view showing a main part of the hoistway shown in FIG. 7. FIG.

FIG. 10 is a plan view of a conventional elevator guide rail centering device.

[Explanation of symbols]

 1a, 1b Piano wire 3 Hoistway 3a, 3b Hoistway wall 4a, 4b Rail member 33a, 33b Extending member 42 First position adjusting device 45a, 45b Grasping device 61 Intermediate beam 62 Fastener plate 63a, 63b Holding device 331, 332 Extension device 481,482 Second position adjustment device

Claims (3)

[Claims] 1. An elevator guide rail centering device for centering a rail member at a predetermined position in a hoistway with a piano wire hanging down in the hoistway as a reference, and extending to both ends of a base member toward the hoistway. A holding device that detachably supports the base member is provided on the steel member of the hoistway via a possible extension device, and the rail member is supported on the base member via a position adjusting device that can adjust the position. A centering device for an elevator guide rail, which is provided with a gripping device capable of gripping. 2. The position adjusting device according to claim 1, wherein the position adjusting device is orthogonal to a first position adjusting device capable of adjusting a position in the extension direction of the extension device and in the same plane as the extension direction of the extension device. And a second position adjusting device capable of adjusting the position in the direction in which the elevator guide rail is centered. 3. The centering device for an elevator guide rail according to claim 1, wherein the extension device has a holding mechanism that releasably holds the extension state.