JP2001171954A - Means of supporting hoisting machine of elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily adjust the mounting height of a hoisting machine in response to a construction error and a manufacturing error in an inexpensive structure. SOLUTION: A mounting member 11 is fixed to the top part of a guide rail 3, and a supporting pedestal 15 is hung from the mounting member 11 through a hanging rod 13. A position adjusting screw part 13b is provided on the hanging rod 13, and a supporting nut 16 is threadedly fitted in it. The vertical position of the supporting pedestal 15 is adjusted by adjusting the position where the supporting nut 16 is threadedly fitted in the adjusting screw part 13b.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator hoisting machine supporting device for supporting a hoisting machine for raising and lowering a car at an upper portion of a hoistway.

[0002]

2. Description of the Related Art In recent years, in order to increase the use efficiency of a building, an elevator in which a hoisting machine or a control panel is installed using a space in a hoistway without providing a dedicated machine room above the hoistway,
A so-called machine room-less elevator has been proposed. In a conventional machine room-less elevator, a hoist is installed, for example, at the bottom (pit) of a hoistway. However, installing a hoisting machine at the bottom of the hoistway complicates roping and increases the number of parts such as return wheels.

On the other hand, FIG. 6 is a configuration diagram showing a state where a hoist is mounted on a conventional support beam for supporting a return wheel. In the figure, a base 2 is installed in a pit section 1 a of a hoistway 1. On the base 2, a basket (not shown)
Alternatively, a plurality of guide rails 3 for guiding the lifting and lowering of a counterweight (not shown) are provided. A plurality of spacers 4 are interposed between the lower end of the guide rail 3 and the base 2. In addition, instead of these spacers 4, jack-up bolts (not shown) may be used.

In the vicinity of the upper end of the guide rail 3, a plurality of supports 5 are fixed by a plurality of mounting bolts 6. The mounting bolts 6 are respectively inserted into a plurality of holes (not shown) provided in the guide rail 3. Support 5
A support beam 7 is erected between them. Conventionally, a return wheel (not shown) around which a main rope (not shown) is wound is supported by the support beam 7, but in FIG. 6, a hoist 8 is mounted instead of the return wheel.

[0005] When the hoisting machine 8 is arranged above the hoistway 1 as described above, the hoisting machine 8 has a predetermined height with respect to the floor of the top floor in order to avoid interference with the car and the counterweight. It is necessary to arrange it. However, since the position of the support base 5 with respect to the guide rail 3 is fixed, mounting errors of the hoisting machine 8 may occur due to an architectural error occurring in the ascending and descending stroke and pit depth, and a manufacturing error occurring in the length of the guide rail 3. Height fluctuates.

On the other hand, in the elevator shown in FIG. 6, a spacer 4 is interposed between the lower end of the guide rail 3 and the base 2 and the number of these spacers 4 is adjusted to support the support beam. The height of 7 is adjusted. Further, the height adjustment of the left and right support bases 5, that is, the horizontal adjustment of the support beams 7, is also performed by the spacers 4.

[0007]

As described above, when the hoisting machine 8 is mounted on the conventional support beam 7 for supporting the return wheel, the spacer 4 is adjusted to adjust the mounting height of the hoisting machine 8. It is necessary to adjust the number of sheets, and the installation work takes considerable time. There is also a method of manufacturing the guide rail 3 after actually measuring the dimensions of the building, but in this case, the installation period is long and the product cost is high.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and has a relatively inexpensive structure, so that the mounting height of a hoist can be easily adjusted according to construction errors and manufacturing errors. It is an object of the present invention to obtain an elevator hoisting machine support device that can be adjusted to a height.

[0009]

According to a first aspect of the present invention, there is provided an elevator hoisting machine supporting apparatus, comprising: a plurality of mounting members mounted on upper ends of a plurality of guide rails installed in a hoistway; The vehicle comprises a plurality of support bases supported by the mounting member and each of which can be adjusted in a vertical direction, and a hoisting machine support beam provided between the support bases and supporting the hoisting machine.

According to a second aspect of the present invention, there is provided an elevator hoisting machine support device in which a mounting member is brought into contact with an upper end surface of a guide rail to receive a load of the mounting member on the upper end surface.

According to the third aspect of the present invention, there is provided an elevator hoisting machine support device, wherein an attachment member is passed through a rail joint hole used for joining a guide rail in a longitudinal direction so that the attachment member is connected to the guide rail. It is fixed on the other hand.

According to a fourth aspect of the present invention, there is provided an elevator hoisting machine support device in which a mounting member is connected to a guide rail by a rail clip for holding the guide rail.

According to a fifth aspect of the present invention, there is provided an elevator hoisting machine support device in which a support base is suspended from a mounting member via a suspension rod extending parallel to a guide rail.

According to a sixth aspect of the present invention, there is provided an elevator hoisting machine support device, wherein a position adjusting screw portion penetrating the support base is provided on the suspension rod, and a support nut supporting the support base is screwed to the position adjusting screw portion. The position of the support base in the vertical direction is adjusted by adjusting the screwing position of the support nut with respect to the position adjustment screw portion.

According to a seventh aspect of the present invention, there is provided an elevator hoisting machine support device, wherein a connecting screw portion penetrating the mounting member is provided at an upper end portion of a suspension rod, and a connecting nut is screwed to the connecting screw portion to support. Spherical washers are interposed between the nut and the support and between the connection nut and the mounting member, respectively, so that the suspension rod can be inclined with respect to the mounting member and the support.

An elevator hoisting machine support device according to the invention of claim 8 is one in which the support base is connected to the guide rail by a rail clip that clamps the guide rail.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. Embodiment 1 FIG. FIG. 1 is a front view showing an elevator hoist support apparatus according to Embodiment 1 of the present invention, and FIG. 2 is a sectional view taken along line II-II in FIG.

In the figure, a base 2 is installed in a pit section 1 a of a hoistway 1. On the base 2, a pair of guide rails 3 for guiding a car (not shown) or a counterweight (not shown) up and down is installed. Guide rail 3
Is in direct contact with the base 2. At the upper end of each guide rail 3, a mounting member (mounting fitting) 11 is mounted. The mounting member 11 is in contact with the upper end surface of the guide rail 3 so that the load is received on the upper end surface of the guide rail 3.

The guide rail 3 is formed by joining a plurality of rail members in the longitudinal direction, and rail joint holes (not shown) are provided at upper and lower ends of each rail member. The mounting member 11 is fixed to the guide rail 3 by passing mounting member fasteners (bolts, nuts and the like) 12 through a rail joint hole at the upper end of the uppermost rail member.

Two hanging rods 13 extending in parallel with the guide rail 3 are connected to each mounting member 11. At the upper end of the suspension rod 13, a connection screw 13a penetrating the mounting member 11 is provided. Connection thread 13
A plurality of connection nuts 14 for transmitting a load from the suspension rod 13 to the mounting member 11 are screwed to a.

A support 15 is connected to each suspension rod 13. The support table 15 is attached to the suspension rod 13.
Is provided.
Further, a plurality of support nuts 16 for supporting the support base 15 are screwed to the position adjusting screw portion 13b. By adjusting the screwing position of the support nut 16 with respect to the position adjusting screw portion 13b, the support nut is supported. The vertical position of the table 15 is adjusted.

A pair of rail clips 17 for holding the guide rail 3 between the support base 15 and the support base 15 are attached to the support bases 15 with clip fasteners (bolts, nuts and the like) 18. The support base 15 is fixed to the guide rail 3 in the horizontal direction by these rail clips 17.

The hoisting machine support beam 1 is provided between the pair of supports 15.
9 are erected. Both ends of the hoisting machine support beam 19 are fixed to the support base 15 by fixing bolts 20. The hoist 8 is mounted on the hoist support beam 19.

FIG. 3 is a plan view showing the support 15 of FIG. The support base 15 has an L-shaped cross section, and includes a horizontal portion 15a on which the hoisting machine support beam 19 is mounted and a vertical portion 15b to which the rail clip 17 is attached. The horizontal portion 15a is provided with a rail hole 15c through which the guide rail 3 is inserted, two rod holes 15d through which the suspension rod 13 is inserted, and two bolt holes 15e through which the fixing bolt 20 is inserted.

The vertical portion 15b is provided with a clip mounting hole 15f through which the clip fastener 18 is passed. Further, a reinforcing rib may be fixed between the horizontal portion 15a and the vertical portion 15b.

FIG. 4 shows the mounting member 1 of the suspension rod 13 shown in FIG.
FIG. 2 is an enlarged cross-sectional view showing a connection portion between the support 1 and a support 15. The spherical washer 2 is provided between the connection nut 14 and the mounting member 11 and between the support nut 16 and the support base 15, respectively.
1a and 21b are interposed. Rod hole 11 provided in mounting member 11, support base 15, and hoisting machine support beam 19
The inner diameters of a, 15d and 19a are set to be larger than the outer diameter of the suspension rod 13 with a margin.

Therefore, the suspension rod 13 is provided with the spherical washer 21.
a, 21b, so that the mounting member 11
And it can be inclined to some extent with respect to the support 15. Further, the spherical washer 21 of the mounting member 11 and the support 15
In the contact portion with a, there are provided concave portions (counterbore) 11b and 15g for preventing the spherical washer 21a from being displaced in the horizontal direction.

In such a hoisting machine support device, the support base 15 is suspended and supported from the upper end of the guide rail 3 and the height of the support base 15 can be adjusted. With a simple structure, the mounting height of the hoisting machine 8 can be easily adjusted according to construction errors and manufacturing errors. Therefore, it is not necessary to provide a spacer or a jack bolt at the lower end of the guide rail 3. Also, horizontal adjustment of the hoisting machine support beam 19 can be easily performed.

The mounting member 11 is connected to the mounting member fastener 12.
If the mounting member 12 is to be fixed to the guide rail 3 alone, a large shearing force is applied to the mounting member fastener 12, so that the mounting member fastener 12 having a considerably high strength must be used. On the other hand, in this embodiment, the mounting member 11 is brought into contact with the upper end surface of the guide rail 3 so that the load of the mounting member 11 is received on the upper end surface. It is only necessary to be able to fix the direction.
, And the structure can be simplified.

Further, since the rail joint hole is used to mount the mounting member fastener 12, it is not necessary to newly provide a hole for mounting the mounting member in the guide rail 3, so that the cost can be reduced.

Further, since the support 15 is suspended from the mounting member 11 via the suspension rod 13 extending parallel to the guide rail 3, the support 15 can be supported by the mounting member 11 with a simple structure.

The vertical position of the support base 15 is adjusted by adjusting the screwing position of the support nut 16 with respect to the position adjusting screw portion 13b of the suspension rod 13, so that the support base 15 has a simple structure. The position of the table 15 can be continuously adjusted. For example, by using the suspension rod 13 having a length of about 1 m and providing the position adjusting screw portion 13b within a range of 600 mm, an adjustment width of up and down 300 mm can be obtained.

Further, spherical washers 21a and 21b are interposed between the support nut 16 and the support base 15 and between the connection nut 14 and the mounting member 11, respectively, to thereby suspend the suspension rod 1
Since 3 can be tilted with respect to the mounting member 11 and the support 15, it is possible to prevent local stress from being generated in the suspension rod 13 due to a manufacturing error of parts or the like.

Further, since the support 15 is connected to the guide rail 3 by the rail clip 17 for holding the guide rail 3, the support 15 can be firmly fixed in the horizontal direction with a simple structure.

Embodiment 2 In the first embodiment,
The mounting member 1 is passed through the mounting member fastener 12 through the rail joint hole.
1 is fixed to the guide rail 3. For example, as shown in FIG. 5, the mounting member 11 is connected to the guide rail 3 using the same rail clip 17 and clip fastener 18 as those for fixing the support 15. The mounting member 11
Can be easily fixed.

[0036]

As described above, in the elevator hoisting machine support device according to the first aspect of the present invention, the vertical position of the support base can be adjusted with respect to the mounting member mounted on the guide rail. Therefore, the mounting height of the hoist can be easily adjusted in accordance with construction errors and manufacturing errors by a relatively inexpensive structure. Therefore, it is not necessary to provide a spacer or a jack bolt at the lower end of the guide rail. Further, horizontal adjustment of the hoisting machine support beam can be easily performed.

In the elevator hoisting machine support device according to the second aspect of the present invention, the mounting member is brought into contact with the upper end surface of the guide rail,
Since the load of the mounting member is received on the upper end surface of the guide rail, the mounting member fastener only needs to be able to fix mainly in the horizontal direction, the load on the mounting member fastener is reduced, and the structure is simplified. can do.

In the elevator hoisting machine supporting device according to the third aspect of the present invention, since the rail joint hole is used for mounting the mounting member fastener, it is not necessary to newly provide a mounting member mounting hole in the guide rail. , Cost can be reduced.

In the elevator hoisting machine support device according to the fourth aspect of the present invention, since the mounting member is connected to the guide rail by the rail clip for holding the guide rail, the mounting member can be easily fixed to the guide rail. .

In the elevator hoisting machine support device according to the fifth aspect of the present invention, since the support base is suspended from the mounting member via the suspension rod extending parallel to the guide rail, the support base is attached to the mounting member with a simple structure. Can be supported.

According to a sixth aspect of the present invention, there is provided an elevator hoisting machine support device which adjusts a vertical position of a support base by adjusting a screwing position of a support nut with respect to a position adjusting screw portion of a suspension rod. Therefore, the position of the support table can be continuously adjusted with a simple structure.

According to a seventh aspect of the present invention, there is provided an elevator hoisting machine support device, wherein a spherical washer is interposed between a support nut and a support base and between a connection nut and a mounting member, and a suspension rod is mounted on the mounting member. In addition, since the inclination can be made with respect to the support table, it is possible to prevent local stress from being generated in the suspension rod due to a part manufacturing error or the like.

In the elevator hoisting machine supporting device according to the eighth aspect of the present invention, since the supporting base is connected to the guide rail by the rail clip for holding the guide rail, the supporting base is firmly held in the horizontal direction by a simple structure. Can be fixed.

[Brief description of the drawings]

FIG. 1 is a front view showing an elevator hoisting machine support device according to Embodiment 1 of the present invention.

FIG. 2 is a sectional view taken along line II-II in FIG.

FIG. 3 is a plan view showing the support base of FIG. 1;

FIG. 4 is a cross-sectional view showing, in an enlarged manner, a connecting portion of the suspension rod of FIG. 1 with a mounting member and a support base.

FIG. 5 is a sectional view of an elevator hoisting machine support device according to a second embodiment of the present invention.

FIG. 6 is a configuration diagram showing a state in which a hoist is mounted on a conventional support beam for supporting a return wheel.

[Explanation of symbols]

1 hoistway, 3 guide rails, 8 hoisting machines, 11 mounting members, 12 mounting member fasteners, 13 suspension rods, 1
4 connection nut, 15 support base, 16 support nut, 1
7 rail clips, 19 hoisting machine support beams, 21a, 2
1b Spherical washer.

Claims (8)

[Claims] 1. A plurality of mounting members respectively mounted on upper ends of a plurality of guide rails installed in a hoistway, a plurality of support bases supported by these mounting members, each of which is capable of adjusting a vertical position, An elevator hoisting machine support device, comprising: a hoisting machine support beam that is installed between these support stands and supports the hoisting machine. 2. The elevator hoisting machine support device according to claim 1, wherein the mounting member is in contact with the upper end surface so that a load of the mounting member is received by the upper end surface of the guide rail. . 3. An upper end portion of the guide rail is provided with a rail joint hole used to join the guide rail in a longitudinal direction, and the mounting member passes an attachment member fastener through the rail joint hole. 3. The elevator hoisting machine support device according to claim 2, wherein the elevator hoisting device is fixed to the guide rail. 4. The elevator hoisting machine support device according to claim 2, wherein the mounting member is connected to the guide rail by a rail clip for holding the guide rail. 5. The elevator hoist according to claim 1, wherein the support table is suspended from the mounting member via a suspension rod extending parallel to the guide rail. Machine support device. 6. A hanging rod is provided with a position adjusting screw portion that penetrates the support base, and the position adjusting screw portion is screwed with a support nut that supports the support base. 6. The elevator hoisting machine support device according to claim 5, wherein a vertical position of the support base is adjusted by adjusting a screwing position of the support nut with respect to the position adjusting screw portion. 7. A connecting screw portion penetrating the mounting member is provided at an upper end portion of the suspension rod, and a connecting nut is screwed to the connecting screw portion. A spherical washer is interposed between the base and the connection nut and between the mounting member, and the suspension rod can be inclined with respect to the mounting member and the support base. The elevator hoist support device according to claim 6, characterized in that: 8. The elevator hoisting machine support device according to claim 1, wherein the support base is connected to the guide rail by a rail clip for holding the guide rail. .