JPH1187162A - Manufacture of guide apparatus for elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the time and cost for manufacturing a guide apparatus by facilitating the operation of incorporating coils into side leg portions of electromagnets. SOLUTION: In a method for manufacturing a guide apparatus for an elevator, comprising a pair of electromagnets which are provided on a guide rail through a clearance and which use the guide rail as part of a magnetic path, with one end of the guide rail secured to a car of the elevator and the other end being mounted along a hoistway, an electromagnet 51 is obtained. A first step is for forming a yoke portion 51b-1 and side leg portions 51b-2 separately, the portion 51b-1 having a portion projecting toward the guide rail and the portions 51b-2 arranged on both sides of the portion 51b-1 and having distal ends thereof projecting, so as to confront each other to form magnetic poles, a second step is for incorporating coils 51a into the portions 51b-2, while inserting the coils 51a from the rear ends of the portions 51b-2 after the first step, and a third step is for coupling the portion 51b-1 to the portions 51b-2 after the second step.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing an elevator traveling guide device capable of smoothly and stably guiding an elevator car.

[0002]

2. Description of the Related Art An elevator guide device is provided on the side of a car, and functions so that the car can smoothly move up and down along a guide (guide) rail erected in a hoistway. An elevator travel guide device that guides a car in a non-contact manner with respect to a guide rail by utilizing a magnetic force is configured as shown in FIG. 6 described in Japanese Patent Application No. 8-16765. There is.

That is, FIG. 6 is a view from the entrance, in which a car 1 is suspended by a rope 2 and rises and descends, and a guide rail 4 is provided upright in a hoistway 3 along the left and right side surfaces of the car 1. A total of four sets of elevator travel guide devices 5 are mounted on each of the upper and lower portions of the car 1 so as to follow the directions.

Each traveling guide device 5 includes a pair of electromagnets 51 each having the guide rail 4 as a part of a magnetic path, and a fixing tool 52 for fixing the electromagnets 51 to the car 1 by screws. The electromagnet 51 is configured in a three-letter shape with a yoke portion made of an iron core incorporating a pair of coils 51a and both leg portions 51b, and a magnetic pole formed by opposing both ends of both leg portions 51b to each other is formed on the guide rail 4. It is arrange | positioned so that three surfaces protruded to the car 1 side may be opposed.

The traveling guide device 5 is a non-contact magnetic guide using an electromagnet 51, and is configured such that a gap g between the traveling guide device 5 and the guide rail 4 is always controlled to be substantially constant by magnetic force. It had been.

[0006] As a method of manufacturing the traveling device 5, FIG.
As shown in (a), after integrally forming and processing a yoke portion and both side leg portions 1b forming a magnetic path, a coil 51a is assembled into both side leg portions 51b. A method has been adopted in which the magnetic pole portion is formed by being bent so as to be substantially parallel to and opposed to each other.

[0007]

As described above, in the conventional elevator traveling guide device, it is desirable that the opposing surfaces of the electromagnet 51 and the guide rail 4 are substantially parallel. Therefore,
Considering the relative position of the car 1 and the guide rail 4 and the structural shape, the tip of the both leg portions 51b around which the coil is wound by the traveling guide device 5 is bent to form a curved magnetic pole portion. However, it is not always easy to insert the coil into the curved leg portions 51b. Further, depending on the shape of the magnetic pole portion, it is not possible to bend and form the distal end portions of the both leg portions 51b so as to be substantially parallel to the guide rail 4 and oppose each other, for example, when the bending thickness of the curved leg portions 51b is large. Have difficulty.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and the operation of assembling an electromagnet into a side leg of a coil is easy, and the time and cost involved in manufacturing a traveling guide device can be reduced. An object of the present invention is to provide a method for manufacturing a guide device.

[0009]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention is to manufacture an elevator traveling guide device by the following steps. The invention according to claim 1, wherein one end is fixed to a car of an elevator, and the other end is provided with a gap with respect to a guide rail mounted along a hoistway, and the guide rail is provided. In a method of manufacturing an elevator traveling guide device comprising a pair of electromagnets having a part of a magnetic path, a yoke portion having a projecting portion projecting toward the guide rail at a center portion is provided on both ends of the yoke portion. A first step of separately forming a side leg portion having a magnetic pole portion formed by projecting the tip in a direction opposite to each other, and after the first step, the side leg portions are formed on the both side leg portions from the rear end side. The second to insert and incorporate each coil
And obtaining the electromagnet from the third step of connecting the yoke part and the both-side legs after the second step.

According to the invention corresponding to the first aspect, the electromagnet located at the center of the configuration of the travel guide device for the elevator is divided into a yoke portion and both leg portions, and is formed separately from the rear end sides of the both leg portions. Since the coil is linearly assembled, it is easier to assemble the coil than before, and since the yoke part and both side legs are formed by coupling after the coil is assembled, the tip of the magnetic body part having a curved shape is formed. It is not necessary to bend and form, and the production becomes easy.

According to a second aspect of the present invention, one end is fixed to a car of an elevator, and the other end is provided with a gap with respect to a guide rail mounted along a hoistway, and In a method for manufacturing an elevator traveling guide device comprising a pair of electromagnets each including the guide rail as a part of a magnetic path, a yoke portion having a projecting portion projecting toward the guide rail at a central portion, and both ends of the yoke portion A first step of integrally molding a linear side leg provided on the side;
After the first step, a second step of assembling the coil into the straight leg portions, and after the second step, separately formed magnetic pole members are attached to the ends of the both leg portions. The method is characterized in that the electromagnet is obtained from a third step in which the electromagnet is opposed and coupled.

According to the second aspect of the present invention, the coil can be linearly assembled into the both leg portions, so that the coil can be easily assembled as compared with the related art, and the magnetic pole end portion having a curved shape is not required. Since the extension is formed after the coil is assembled, it is not necessary to bend and form the tip portions of the two side legs similarly to the invention corresponding to claim 1, thereby facilitating the manufacture.

According to a third aspect of the present invention, one end is fixed to a car of an elevator, and the other end is provided with a gap to a guide rail attached along a hoistway, and A method for manufacturing an elevator traveling guide device comprising a pair of electromagnets, wherein said guide rails constitute a part of a magnetic path, wherein yokes having different dimensions and lengths comprising laminated plates having a projecting portion whose central portion projects inward. The yoke portion and both side leg portions are separately formed by side leg members having different dimensions and lengths formed of a laminated plate in which the member and the both ends of the yoke member are alternately arranged on the inner side thereof, and the tips protrude in the directions facing each other. A first step of laminating each, a second step of incorporating coils from the rear end sides of the two side legs after the first step, and the yoke portion and the two side legs after the second step. Combine with department A third step, and after the third step, a fourth fixture for fixing a combined portion of the yoke portion and the both-side legs from a side of the car mounting side of the yoke portion with a fixture made of a non-magnetic material. The method is characterized in that the electromagnet is obtained from a fourth step of fixing with a fixture comprising steps.

According to the third aspect of the present invention, the electromagnet, which is the center of the configuration of the traveling guide device for the elevator, is separately laminated on the yoke portion and the both leg portions, and the coil is linearly assembled into each of the two leg portions. Since it is possible, as in the first and second aspects of the present invention, the coil can be easily assembled as compared with the related art, and after the coil is assembled, the yoke portion and the both leg portions are connected. There is no need to bend the tip to form a curved magnetic pole, which facilitates manufacture. Further, since the yoke portion and both leg portions are formed by laminating the laminated plates, the eddy current loss of the electromagnet is reduced as compared with the inventions corresponding to claims 1 and 2 in which the yoke portion and both leg portions are formed by an iron core or the like. There is the advantage that electrical losses are reduced.

According to a fourth aspect of the present invention, one end is fixed to a car of an elevator, and the other end is provided with a gap to a guide rail attached along a hoistway, and In a method of manufacturing an elevator traveling guide device comprising a pair of electromagnets that form a part of a magnetic path based on the guide rail, a yoke comprising a plurality of laminated plates having a protruding portion whose central portion protrudes inward. A first step of laminating a member and straight side leg members integrally formed on both end sides of the yoke member to form a yoke portion and both side leg portions;
After the first step, a second step of assembling the coil into the both-side legs, and after the second step, a non-magnetic material gripping the yoke from the car mounting side of the yoke. A third step of fixing with a fixture, and a fourth step of, after the third step, opposing and joining magnetic pole members formed by separately laminating laminated steel plates on the distal ends of the two side legs. The method is characterized in that the electromagnet is obtained from a process.

According to the fourth aspect of the present invention, the coils can be linearly incorporated into both side legs similarly to the first, second, and third aspects of the present invention. The coil can be easily assembled, and the magnetic pole end portion having a curved shape is formed after the coil is assembled, so that it is not necessary to bend and form the leg portions on both sides, thereby facilitating the manufacture. Further, since the yoke portion and the both leg portions are formed by laminating the laminated plates as in the invention corresponding to claim 3,
There is an advantage that the electric loss such as eddy current loss of the electromagnet can be reduced as compared with the inventions corresponding to the first and second aspects in which the yoke portion and both side legs are formed by an iron core or the like.

[0017]

Embodiments of the present invention will be described below with reference to the drawings. The same parts as those of the conventional elevator travel guide device shown in FIGS. 5 and 6 are denoted by the same reference numerals, and detailed description thereof will be omitted.

FIG. 1 shows a first embodiment for explaining a method of manufacturing an elevator traveling guide device according to the present invention. As shown in FIG. 1A, a magnetic body having a projection projecting toward the guide rail in the center, here, a yoke part 51b-1 made of an iron core and arranged on both ends thereof,
Also, side legs 51b-2 each made of an iron core having a magnetic pole portion formed by projecting the tips toward the guide rail side are separately formed, and are formed on both side legs 51b-2 from the rear end side in FIG.
(B) A coil 51a separately pre-compacted as shown in FIG.
Then, as shown in FIG. 1 (c), the two leg portions 51b-2 are attached to the yoke portion 51b-1 so that the whole becomes a three-letter shape.
And fasten with bolts. Finally, the electromagnet 51 of the integrated travel guide device is manufactured by dimensionalizing the front end of the magnetic pole portion facing the guide rail of the both leg portions 51b-2 by machining.

As described above, the assembling operation of each coil 51a of the electromagnet 51 is performed by the straight side leg portions 51b before the bolts are fastened.
-2, which facilitates installation and manufacture.
In the first embodiment, the yoke portion 51b-1 and both side leg portions 51b-2 are fastened by bolts.
A method by welding or adhesion may be used.

FIG. 2 shows a second embodiment for explaining a method of manufacturing an elevator traveling guide device according to the present invention. As shown in FIG. 2A, a yoke portion 51b-1 having a protruding portion whose central portion protrudes toward the guide rail, and linear side legs 51b-2 provided at both ends of the yoke portion 51b-2. Is integrally formed of a magnetic material, here an iron core, and in this state, a coil 51a separately pre-compacted is inserted into a linear side leg as shown in FIG. As shown in ()), a separately formed magnetic pole member 51c is arranged at the end of the side leg portion with its end faces facing each other and connected by bolting, and finally faces the guide rail of the magnetic pole member 51c. The electromagnet 51 of the traveling guide device that is integrally formed is manufactured by dimensioning the tip portion to be formed by machining.

As described above, the coil 51a of the electromagnet 51 can be assembled by inserting the coil into the linear leg portion before fastening the bolt of the magnetic pole member 51c. Manufacturing becomes easy.

In the second embodiment, the side legs 51b
Although the magnetic pole member 51c is fastened by bolts to the tip end of -2, a method by welding or adhesion may be used. FIG. 3 shows a third embodiment for explaining a method of manufacturing an elevator travel guide device according to the present invention.

As shown in FIG. 3 (a), yoke members 13a1 and 13a2 having different dimensions and lengths made of laminated steel plates having a protruding portion whose central portion protrudes inward, are disposed on both ends and inside thereof, and have a tip. Side leg members 13b1, having different dimensions and lengths made of laminated steel plates protruding in the directions facing each other.
As shown in FIGS. 3B and 3C, yoke members 13a1 and 13a2 having different dimensions and lengths are alternately provided, and side leg members 13b1 and 13b1 having different dimensions and lengths are formed.
By alternately laminating the yoke portions 51b-1 and the both leg portions 51b-2 separately,
Next, the coil 51a which is separately hardened in advance is inserted into the both leg portions 51b-2 from the rear end side.

After the coil 51a is inserted, the yoke portion 51b-1 and the both leg portions 51b-2 are combined as shown in FIG. The upper and lower surfaces including the combined portion of the portion 51b-1 and the both leg portions 51b-2 are fixed by a fixture 52 made of a non-magnetic material.

Finally, the magnetic pole end portion 51c formed at the tip of the both leg portions 51b-2 is dimensioned by machining to manufacture the electromagnet 51 of the integrally formed travel guide device. I do.

As described above, the coil 51a of the electromagnet 51 can be assembled by inserting the coil into the two leg portions 51b-2 before the combination with the yoke portion 51b-1, thereby facilitating the assembly and manufacturing.

Further, in the third embodiment, the yoke portion 51b-1 and both side leg portions 51b-2 are constituted by a plurality of laminated steel plates 13, so that the third embodiment is different from the first and second embodiments. Thus, there is an advantage that electric loss such as eddy current loss of the electromagnet 51 is reduced.

FIG. 4 shows a fourth embodiment for explaining a method of manufacturing an elevator traveling guide device according to the present invention. As shown in FIG. 4A, a yoke member 1 made of a laminated steel sheet having a protruding portion whose central portion protrudes inward.
3a and the linear side leg members 13b provided on both ends of the yoke member 13a are integrally formed, and FIG.
By laminating the yoke member 13a and the side leg members 13b as shown in FIG.
1b-2 is integrally formed, and in this state, a coil 51a that has been separately pre-wound is inserted into a linear side leg portion, and then the rear side of the yoke portion 51b-1 as shown in FIG. ,
That is, the yoke portion 51b-1 is fixed by the fixing member 52 made of a non-magnetic material to grip the upper and lower surfaces of the yoke portion 51b-1 from the car mounting side.

After that, the protrusion formed at the tip of both leg portions 51b-2 is separately provided with magnetic pole member 13c made of laminated steel plate.
Are inserted and fixed in the windows provided in the magnetic pole part 51c formed by laminating. In this case, the end faces of the magnetic pole part 51c are configured to face each other. Finally, the electromagnet 51 of the traveling guide device integrally formed is manufactured by dimensioning the tip of the magnetic pole portion 51c facing the guide rail by machining.

As described above, the operation of assembling each coil 51a of the electromagnet 51 is performed by inserting the convex portions formed at the distal ends of the both leg portions 51b-2 into the window portions of the magnetic portion 51c before inserting them into the windows of the magnetic portion 51c.
Since the coil 51c can be inserted into the linear portion of 1b-2, the assembling and manufacturing becomes easy.

In the fourth embodiment, since the yoke portion 51b-1 and both side leg portions 51b-2 integral therewith are formed by laminating a plurality of laminated steel plates 13, the first and second yokes 51b-1 are formed. As compared with the third embodiment, there is an advantage that electric loss such as eddy current loss of the electromagnet 51 is reduced as in the third embodiment.

[0032]

As described above, according to the method of manufacturing an elevator traveling guide device according to the present invention, coils can be easily incorporated in both leg portions of the electromagnet, and the operation is easy. It can be reduced, and a great effect can be obtained in practical use.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of a method for manufacturing an elevator traveling guide device according to a first embodiment of the present invention.

FIG. 2 is an explanatory diagram of a method of manufacturing an elevator travel guide device according to a second embodiment of the present invention.

FIG. 3 is an explanatory diagram of a method of manufacturing an elevator travel guide device according to a third embodiment of the present invention.

FIG. 4 is an explanatory diagram of a method of manufacturing an elevator travel guide device according to a fourth embodiment of the present invention.

FIG. 5 is an explanatory view of a conventional method for manufacturing a travel guide device for an elevator.

FIG. 6 is a front view of an elevator to which a conventional elevator travel guide device is applied.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Basket 2 ... Rope 3 ... Hoistway 4 ... Guide rail 5 ... Travel guide device 51 ... Electromagnet 51a ... Coil 51b-1 ... Yoke part 51b-2 ... Side leg part 51c ... ... Magnetic pole part 52 ... Fixture 13 ... Laminated steel plates 13a, 13a1, 13a2 ... Yoke members 13b, 13b1, 13b2 ... Side leg members 13c ... Magnetic pole members

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Yukihiko Kazuo 2-4-4 Suehirocho, Tsurumi-ku, Yokohama-shi, Kanagawa Pref.

Claims (4)

[Claims] 1. One end is fixed to a car of an elevator, and the other end is provided with a gap to a guide rail mounted along a hoistway, and the guide rail is connected to a magnetic path. A method for manufacturing an elevator traveling guide device comprising a pair of electromagnets, wherein a yoke portion having a projecting portion projecting toward the guide rail at a center portion, and a yoke portion provided at both ends of the yoke portion, A first step of separately forming side legs on which magnetic pole portions are formed by protruding in directions opposite to each other, and after the first step, coils are respectively inserted into the both side legs from the rear ends thereof. A method for manufacturing a traveling guide device for an elevator, comprising: obtaining the electromagnet from a second step of incorporating the yoke portion and both side legs after the second step. 2. One end is fixed to a car of an elevator, and the other end is provided with a gap to a guide rail mounted along a hoistway, and the guide rail is connected to a magnetic path. A method of manufacturing an elevator traveling guide device comprising a pair of electromagnets, wherein a yoke portion having a projecting portion projecting toward the guide rail at a central portion, and a linear shape provided at both ends of the yoke portion. A first step of integrally molding the side legs, a second step of incorporating a coil into the linear side legs after the first step, and the two sides after the second step. A third method in which separately formed magnetic pole members are coupled to the ends of the legs so as to face each other.
Obtaining the electromagnet from the step (a). 3. One end is fixed to a car of an elevator, and the other end is provided with a gap to a guide rail mounted along a hoistway, and the guide rail is connected to a magnetic path. A method of manufacturing an elevator traveling guide device comprising a pair of electromagnets, wherein yoke members having different dimensions and lengths each comprising a laminated plate having a protruding portion whose central portion protrudes inward, and both ends of the yoke member And a first step of separately laminating the yoke portion and both side leg portions separately by side leg members having different dimensions and lengths, each of which is composed of laminated plates alternately arranged inside and protruding in the direction opposite to each other. And a second step of incorporating coils from the rear end sides of the two side legs after the first step,
After the second step, a third step of combining the yoke part and the two-sided leg parts, and after the third step, the yoke part and the two-sided leg parts are mounted on the yoke part from the side where the car is attached to the car. A method of manufacturing an elevator travel guide device, comprising obtaining the electromagnet from a fourth step of fixing the combined part by a fixture made of a non-magnetic material. 4. One end is fixed to a car of an elevator, and the other end is provided with a gap to a guide rail mounted along a hoistway, and said guide rail is connected to a magnetic path. A method of manufacturing an elevator traveling guide device including a pair of electromagnets, wherein a yoke member including a plurality of laminated plates having a protrusion having a central portion protruding inward, and integrated with both end sides of the yoke member A first step of forming a yoke portion and both-side legs by laminating the linear side-leg members formed in a shape, and a second step of incorporating a coil into the both-side legs after the first step. This second
A third step of fixing the yoke section from the side of the car mounting side of the yoke section by a fixture made of a non-magnetic material after the step, and a tip of the both-side leg sections after the third step. A method for manufacturing an elevator traveling guide device, comprising: obtaining the electromagnet from a fourth step in which magnetic pole members formed by separately laminating laminated steel sheets on a portion are joined to face each other.