JP3377711B2 - Elevator guidance device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator guide device for guiding a car or a counterweight along a guide rail.

[0002]

2. Description of the Related Art A conventional elevator guide device is disclosed, for example, in Japanese Utility Model Laid-Open No. 55-143271, which will be described with reference to plan views and side views shown in FIGS. The front rolling roller 2 is arranged in front of the guide rail 1 fixed to the hoistway wall, and the side rolling rollers 3a, 3b are rotatably arranged on the both side surfaces 1a, 1b so that the guide rail 1 is sandwiched from three directions. It was incorporated into the elevator guide device. The front rolling roller 2 is supported and fixed via a bracket 5 welded and fixed to a base 4 made of L-shaped steel and a machined lever 6, and
The side surface rolling rollers 3a and 3b are fixed to the rising portion 4a of the base 4. The stoppers 7a and 7b are arranged at a predetermined distance so as to sandwich both side surfaces 1a and 1b of the guide rail 1, and the stoppers 7a and 7b are fixed to the base 4 by welding. The guide device constructed in this way is installed at four places on the upper and lower sides of the car or the counterweight, respectively. And the side surface rolling rollers 3a and 3b are respectively rolled and guided up and down without falling off from the guide rail 1.

A conventional elevator guide device described in Japanese Utility Model Laid-Open No. 4-9873 is known.
This is shown in FIGS. 7 and 8. A guide shoe 9 is attached to the base 8, and a taper portion 11 is formed on the upper portion of the guide shoe 9 so as to form an oil reservoir space 10 between the guide rail 1 and the guide rail 1. I am allowed to do so.

[0004]

However, in the conventional elevator guide device shown in FIGS. 5 and 6, the machined lever 6, the bracket 5, and the stopper 7 are provided.
Since it is composed of the base 4 and the like in which a and 7b are welded and fixed, the number of parts is large and the price is high. Further, in the conventional elevator guide device shown in FIGS. 7 and 8, the oil as the lubricant is stored in the space 10 formed between the guide rail 1 and the upper portion of the guide shoe 9, so that the car or the balance is balanced. As the weight moves up and down, oil is scattered in the hoistway, which requires a great deal of labor for maintenance work such as cleaning the oil.

An object of the present invention is to provide an elevator guide device which facilitates maintenance work and is inexpensive.

[0006]

In order to achieve the above-mentioned object, the present invention provides an elevating body which ascends and descends along a guide rail,
An elevator guide device including a front rolling roller that rolls in contact with the front surface of the guide rail and side rolling rollers that roll in contact with both side surfaces of the guide rail, and is fixed to the lifting body. And a supporting member having three roller supporting portions bent at a right angle to the planar portion are formed of a single plate, and each of the roller supporting portions includes the front rolling roller and the side rolling roller. Each of them is rotatably supported , and the supporting member is
Both of the above-mentioned rollers that rotatably support the side surface rolling rollers.
Bend the end of the roller support part almost parallel to the horizontal plane.
Parts are formed respectively, and the upper part is
Notch so that both sides of the guide rail
It is characterized in that a stop is formed .

As described above, in the elevator guide device according to the present invention, the front rolling roller and the side rolling roller are rotatably supported by the roller supporting portion of the supporting member formed by bending a single plate. In addition to eliminating the need for processes such as welding and welding, the number of parts can be reduced and the cost can be reduced. Also, unlike conventional elevator guide devices that use a guide shoe with an oil sump, no oil is used, so there is no need to refuel or clean the oil that has scattered in the hoistway, making maintenance very easy. Become.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 4 is a front view of a counterweight equipped with an elevator guide device according to an embodiment of the present invention. The counterweight 15 configured by accommodating a plurality of weights 14 in the frame 13 is provided to smoothly move the counterweight 15 up and down while engaging with the guide rails 1 at the upper two places and the lower two places of the frame 13. The guide devices 12 are fixed. A main rope 16 is attached to the frame 13 via a spring 17, and a car (not shown) is connected to the other end of the main rope.

Next, the guide device 12 will be described with reference to FIGS.
This will be described with reference to the plan view, front view and side view shown in FIG. The support member 18 formed of a single plate includes a flat surface portion 19 for fixing to the frame 13 of the counterweight 15, and roller support portions 20a, 20b, 20c that are bent and erected at right angles to the flat surface portion 19, This roller support portion 20b,
On the end side of 20c, bent portions 23a and 23b that are further bent so as to be parallel to the flat surface portion 19 are provided, and are configured in a substantially Z shape as a whole. Roller support portions 20b, 2
0c and the guide rails 1 of the bent portions 23a and 23b
An anti-slip stopper 22 is formed at a portion opposed to and so that both side surfaces 1a and 1b of the guide rail 1 are notched. The roller support member 20a is formed by cutting out three positions at predetermined positions of the flat surface portion 19 and then erecting the portion of the broken line 25, and a hole 26 is formed therein. The guide rail 1 is attached to the roller supporting portion 20a thus formed.
The front side rolling roller 2 that rolls while contacting the front of the roller is rotatably supported, and the side surface rolling roller 3 that rolls while contacting the side surface 1a of the guide rail 1 on the roller supporting portion 20b.
a is rotatably supported, and a side surface rolling roller 3b that rolls while being in contact with the side surface 1b of the guide rail 1 is rotatably supported by the roller supporting portion 20c. The roller support portion 20a that supports the front rolling roller 2 is formed orthogonally to the roller support portions 20b and 20c that rotatably support the two side surface rolling rollers 3a and 3b, respectively.
The flat surface portion 19 is provided with a plurality of fixing holes 24 for fixing the guide device 21 to the frame 13 of the counterweight 15.

Normally, when the counterweight 15 moves up and down, the counterweight 15 is suspended right above the main rope 16 so that it can be lifted up and down without an unbalanced load.
The counterweight 15 can be moved up and down without dropping off from the guide rail 1 by the guide device 12 having the simple structure configured as described above. Further, even when an abnormal load such as an earthquake is applied, the disengagement stopper 22 is formed so as to sandwich the opposite side surfaces 1a, 1b of the guide rail 1, so that, for example, the bent portions 23a, 23b.
Contacting the guide rail 1 prevents the counterweight 15 from falling off the guide rail 1. Moreover, since the front rolling roller 2, the side rolling roller 3a, and the side rolling roller 3b are rotatably supported by the supporting member 18 formed by bending a single plate, there is no need for processes such as machining and welding. In addition, the number of parts can be reduced and the guide device 12 can be manufactured at low cost. Also, unlike the conventional elevator guide device that uses a guide shoe with an oil sump, no oil is used, so there is no need for refueling work or cleaning work for oil scattered in the hoistway, and maintenance work is greatly facilitated. .

In the above embodiment, the guide device 12 attached to the counterweight has been described, but the guide device 12 can also be used as a guide device for an elevator body such as a car.

[0012]

As described above, in the elevator guide apparatus according to the present invention, the front rolling roller and the side rolling roller are rotatably supported by the supporting member formed by bending one plate, so that machining or machining is performed. Not only does welding work become unnecessary, the number of parts can be reduced, and since oil is not used unlike the conventional elevator guide device that uses a guide shoe with an oil sump, it can be used for refueling work and hoistways. Cleaning work for scattered oil is not required, and maintenance work is very easy and inexpensive.

[Brief description of drawings]

FIG. 1 is a plan view showing a guide device for an elevator according to an embodiment of the present invention.

2 is a front view of the elevator guide device shown in FIG. 1. FIG.

3 is a side view of the elevator guide device shown in FIG. 1. FIG.

4 is a front view of a counterweight equipped with the elevator guide device shown in FIG. 1. FIG.

FIG. 5 is a plan view of a conventional elevator guide device.

6 is a side view of the elevator guide device shown in FIG. 5. FIG.

FIG. 7 is a front view of another conventional elevator guide device.

8 is a front view showing, in an enlarged manner, a main part of the guide device for the elevator shown in FIG. 7. FIG.

[Explanation of symbols]

1 Guide rail Sides 1a, 1b 2 Front rolling roller 3a, 3b Side rolling roller 18 Support members 19 Plane 20a, 20b, 20c Roller support part 22 Stop

─────────────────────────────────────────────────── ─── Continuation of the front page (72) Minor Onodera 1070 Ige, Hitachinaka City, Ibaraki Prefecture Mito Plant, Hitachi, Ltd. (56) References: 55-143271 (JP, U) 62768 (JP, U) (58) Fields surveyed (Int.Cl. ⁷ , DB name) B66B 7/04

Claims (2)

(57) [Claims] 1. A front rolling roller that rolls in contact with the front surface of the guide rail, a side rolling roller that rolls in contact with both side surfaces of the guide rail, on an elevating body that moves up and down along the guide rail. In a guide device for elevators including a flat member for fixing to the elevator body and a supporting member having three roller supporting members bent at right angles to the flat member, the supporting member is formed of a single plate, and The front rolling roller and the side rolling roller are rotatably supported by a roller supporting portion, respectively , and the supporting member rotates the both side rolling rollers respectively.
At the end of both roller support parts supported in
Form a bent part that is almost parallel to the surface, and
Hold both sides of the guide rail against the opposite side of the bent section.
An elevator guide device characterized in that a notch is formed so as to fit in and a stopper is formed . 2. The front surface according to claim 1, wherein
The roller support portion supporting the rolling roller is the flat surface portion.
Cut three sides to stand upright and
Rollers supporting the rollers respectively rotatably
An elevator guide device, which is formed so as to be orthogonal to the guide device.