JPH03216480A - Guide device of elevator - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an elevator guide device that guides the elevator car as it ascends and descends.

[Prior Art] Conventionally, an elevator car has been provided with guide shoes at the upper and lower corners of the elevator car, which are slidably engaged with guide rails set up in a hoistway. Go up and down. A lubricating device is attached to the upper part of the guide shoe to supply lubricating oil to the sliding surface between the guide rail and the guide shoe so that the elevator car can move up and down smoothly.

As a conventional guide device for this type of elevator,
Publication No. 2-116550 or Japanese Utility Model Application No. 1-132661
The technology published in the publication No. 1 can be cited.

FIG. 6 is a side view showing a conventional elevator guide device, FIG. 7 is a sectional view taken along the line BB in FIG. 6, and FIG. 8 is a front view of the main part of FIG. 6.

In the figure, (1) is a guide rail installed in a hoistway (not shown), (2) is an elevator car, (3) is provided at the upper and lower corners of the elevator car (2),
The guide shoe has a U-shaped cross section and is made of a low-friction material, and is slidably engaged with the guide rail (1) to guide the elevator car (2) up and down. (4) is a guide shoe support having a U-shaped cross section with the guide shoe (3) incorporated therein, and (5) is a guide shoe provided to cover the guide shoe support (4). With the holding frame, side part (5a), side part (5b), back part (5C)
The cross section is formed into a U-shape, and the back surface portion (5c) extends downward and is bent toward the elevator car (2) to form a flat portion (5d). (5e) is a long hole bored in the flat part (5d) of the guide shoe holding frame (5), through which a bolt (not shown) is inserted. installed on. (5f) is the guide shoe holding frame (
5) is a reinforcing plate attached between the back part (5c) and the flat part (5d). (6) is the guide shoe support (4
) and the guide shoe holding frame (5). That is, since the guide rail (1) is made by connecting guide rails of a certain length, it is virtually impossible to make the guide rails straight and parallel over the entire length of the lifting stroke. Therefore, in order to prevent the elevator car (2) from rolling even if there is an irregularity in the guide rail (1), the guide shoe (3) should have elasticity to absorb the irregularity in the guide rail (1). is necessary. Therefore,
Guide shoe support (4) and guide shoe holding frame (5)
A vibration isolating rubber (6) is interposed between the two to absorb horizontal shaking. (7) is guide shoe support (4)
A stopper that is attached to the back of the guide shoe holding frame (5) and prevents the vulcanized adhesive from coming off when the anti-vibration rubber (6) is abnormally bent when the guide shoe holding frame (5) is pushed toward the guide rail (1). It is. (8) is a bolt (9) attached to a flange (4a) which is bent to the side at the upper end of the guide shoe support (4).
and an upper guide shoe retainer attached by a nut (10') to prevent the guide shoe (3) from coming off upward. The upper guide shoe presser (8) is further stepped and extends toward the elevator car (2),
An oil supply device (
1l) is listed. (12) is a lower guide shoe presser attached below the guide shoe support (4), which prevents the guide shoe (3) from coming off downward. (33) is a guide rail (
This stopper is made of a steel plate and has a substantially U-shaped notch (33a) that protrudes toward the 1) side and is attached to the top surface of the elevator car (2). That is, the engagement dimension between the guide rail (1) and the guide shoe (3) is made to protrude toward the guide rail (1) by a dimension C from the engagement dimension a, resulting in a dimension b, thereby increasing the engagement dimension.

Next, the operation of the conventional elevator guide device configured as described above will be explained.

The elevator car (2) is guided by the guide shoe (3) slidably engaging the guide rail (1) and moves up and down in the hoistway. At this time, the anti-vibration rubber (
6), the unevenness of the guide rail (1) is absorbed and horizontal shaking is prevented. Further, the stopper (33) whose engagement dimension is increased by the dimension C prevents the elevator car (2) from separating from the guide rail (1) in the event of an emergency such as an earthquake. Note that the oil supply device (11) supplies lubricating oil to the guide rail (1) and guide shoe (3).
), the elevator car (2) can move up and down smoothly.

[Problems to be Solved by the Invention] Since the conventional elevator guide device is constructed as described above, the stopper (33) is provided at the lower part of the guide shoe holding frame (5) and is constructed of a flat plate. Because of this, the guide rail (1) was removed from the oil supply device (11).
The lubricating oil supplied between the guide shoe (3) and the stopper (33) is supplied from the lower part of the guide shoe holding frame (5).
) and further passes through this stopper (33) to reach the elevator car (2). And the elevator car (
2) They could get into the elevator car (2) and stain the walls of the elevator car (2) or stain the clothes of passengers. In addition, dust easily adhered to the upper part of the stopper (33), and the lubricating oil dropped on the upper surface of the stopper (33) was collected by the dust and flowed into the elevator car (2), promoting dirt.

Therefore, the present invention prevents the lubricating oil dripping onto the lower mounting plate attached to the lower part of the guide shoe holding frame from flowing toward the elevator car, thereby preventing staining of the walls of the elevator car and the clothes of passengers. The object of the present invention is to provide an elevator guiding device that can be used as an elevator.

[Means for Solving the Problems] An elevator guide device according to the present invention connects a guide shoe that slidably engages with a guide rail and guides the elevator car up and down with the upper part of the elevator car using a guide shoe holding portion. An oil supply means is installed at a corner of the lower part, and an oil supply means for supplying lubricating oil for lubricating the sliding surfaces of the guide rail and the guide shoe is disposed on the upper part of the guide shoe holding part, A lower mounting plate is installed to prevent the guide shoe from detaching or to support the guide shoe in an emergency, and the lower mounting plate is adapted to guide lubricating oil dripping from the upper part to the guide rail side.

[Function] In the present invention, the lubricating oil dripped from the oil supply means onto the lower mounting plate provided at the lower part of the guide shoe holding part,
It is possible to prevent the liquid from dripping downward on the guide rail side and flowing toward the elevator car side.

[Example] Examples of the present invention will be described below.

First, a first embodiment of the present invention will be described based on FIGS. 1 to 3.

FIG. 1 is a side view of an elevator guide device according to an embodiment of the present invention, FIG. 2 is a sectional view taken along the line A-A in FIG. 1, and FIG. 3 is a front view of the main part of FIG. 1. . In the drawings, the same reference numerals as in FIGS. 6 to 8 indicate parts that are the same as or correspond to conventional components, so their explanation will be omitted here.

In the figure, (12) is a lower guide shoe holder that is attached to the lower part of the guide shoe holding frame (5) and prevents the guide shoe (3) from coming off downward. The lower guide shoe presser (12) has a substantially U-shaped cross section and opens downward.

(13) protrudes below the guide shoe holding frame (5) with a predetermined engagement distance to prevent the elevator car (2) from separating from the guide rail (1) in the event of an emergency such as an earthquake, and extends from the top of the elevator car (2). This is a stopper made of a steel plate having a substantially U-shaped notch (13a) attached to the stopper. A portion of the stopper (13) that protrudes from the elevator car (2) toward the guide rail (1) is inclined downward.

Note that relief notches (1 2 a) are provided on both downwardly hanging sides of the lower guide shoe presser (12) at the portions that interfere with the stopper (13).

Next, the operation of the elevator guide device of this embodiment configured as described above will be explained.

The elevator car (2) is guided by the guide shoe (3) slidably engaging the guide rail (1) and moves up and down in the hoistway. The stopper (13) with a large engagement dimension prevents the elevator car (2) from separating from the guide rail (1) in the event of an emergency such as an earthquake. Note that lubricating oil is dripped between the guide rail (1) and the guide shoe (3) by the oil supply device (11), so that the elevator car (2) can move up and down smoothly.

By the way, from the oil supply device (11) to the guide rail (1)
After being dripped between the lubricating oil and the guide shoe (3), the excess lubricating oil drips onto the stopper (13). Since the stopper (13) is inclined toward the guide rail (1), this dripped lubricating oil flows toward the guide rail (1) and does not flow toward the elevator car (2). Also, the stopper (
13) Dust is prevented from adhering to the top. For this reason, dust adheres to the stopper (13) and lubricating oil is hardly absorbed and accumulated thereon.

In this way, the elevator guide device of the above embodiment has a guide shoe holding frame (5 ) is held at the upper and lower corners of the elevator car (2) by the guide shoe holding frame (5).
An oil supply device (11) that supplies lubricating oil to the upper part of the guide rail (1) and the guide shoe (3) to lubricate the sliding surfaces of the guide shoe (3).
Further, a stopper (13) for preventing the guide shoe (3) from detaching in an emergency is attached to the lower part of the guide shoe holding frame (5), and the stopper (13)
) is sloped so that the lubricating oil dripping from the top is guided to the guide rail (1) side.

Therefore, according to the above embodiment, the oil supply device (11)
The lubricating oil dripped from the bottom of the guide rail (1) is prevented from flowing to the elevator car (2) side, which prevents the walls of the elevator car (2) and passengers' clothes from getting dirty. can be prevented.

Next, a second embodiment of the present invention will be described based on FIG. 4.

FIG. 4 is a side view of an elevator guiding device according to a second embodiment of the present invention. In the drawings, the same reference numerals as in FIGS. 1 to 3 indicate parts that are the same as or correspond to conventional components, so their explanation will be omitted here.

In the figure, (23) is the stopper (
13), but with the same stopper as guide rail (1).
) The protruding part has a downward step and further extends horizontally.

In this embodiment, a stopper (23) similar to the stopper (l3) of the previous embodiment is attached below the guide shoe holding frame (5), so the same operation and effect as in the previous embodiment is expected. be able to.

Furthermore, a third embodiment of the present invention will be described based on FIG.

FIG. 5 is a side view of an elevator guide device according to a third embodiment of the present invention.

In the drawings, the same reference numerals as in FIGS. 1 to 3 indicate parts that are the same as or correspond to conventional components, so their explanation will be omitted here.

In the figure, (4) is a guide shoe support with the guide shoe (3) incorporated therein, and flanges (4a) bent in the horizontal direction are provided at the upper ends of both side surfaces. Furthermore, flanges (4b) are provided at the lower ends of both side surfaces, which are inclined toward the guide rail (1) and bent laterally. (22) is a lower guide shoe presser attached to the lower surface of the flange (4b) of the guide shoe support (4), and is inclined toward the guide rail (1) like the flange (4a). Then, the lower guide shoe presser (
22), the protrusion inclined toward the guide rail (1) side has a
Similar to the stopper (13) of the first embodiment or the stopper (23) of the second embodiment, the guide rail is used to prevent the elevator car (2) from separating from the guide rail (1) in the event of an emergency such as an earthquake. (1) A notch is provided with an engagement margin for engagement with (1). The elevator guide device of this third embodiment is such that the lower guide shoe holder (22) attached to the lower part of the guide shoe holding frame (5) is inclined toward the guide rail (1). The same operation and effect as the elevator guide device of the example or the second example can be expected. In particular, since the elevator guide device of the third embodiment also functions as the stopper (13) of the first embodiment or the stopper (23) of the second embodiment,
This can be done without reducing the number of parts.

Incidentally, although the elevator guide device of each of the above embodiments has been shown to be attached to the upper part of the elevator car (2), it goes without saying that the same effect can be expected when it is attached to the lower part of the elevator car (2). .

In addition, the stopper (23) of the second embodiment and the lower guide shoe holder (22) of the third embodiment are provided with side portions to prevent dust from coming from the side, similar to the stopper (13) of the first embodiment. It may also be possible to prevent adhesion.

[Effects of the Invention] As described above, the elevator guide device of the present invention has a structure that prevents the guide shoe from coming off in an emergency and supports the guide shoe at the lower part of the guide shoe holding portion that holds the guide shoe. A lower mounting plate is attached, and this lower mounting plate is designed to guide lubricating oil dripping from the upper part to the guide rail side. Therefore, the lubricating oil dripped from the oil supply means onto the lower mounting plate provided at the lower part of the guide shoe holding portion is dripped downward on the guide rail side, and can be prevented from flowing toward the elevator car side. Therefore, it is possible to prevent the walls of the elevator car and the passengers' clothes from getting dirty.

[Brief explanation of drawings]

1 is a side view of an elevator guide device according to a first embodiment of the present invention, FIG. 2 is a sectional view taken along the line A-A in FIG. 1, and FIG. 3 is a front view of the main parts of FIG. FIG. 4 is a side view of an elevator guide device according to a second embodiment of the present invention, FIG. 5 is a side view of an elevator guide device according to a third embodiment of the present invention, and FIG. 6 is a conventional elevator guide device. FIG. 7 is a cross-sectional view taken along the line B-B in FIG. 6, and FIG.
The figure is a front view of the main part of FIG. 6. In the figure, 1: guide rail 2: elevator car 3: guide shoe 4: guide shoe support 5: guide shoe holding frame 11: oil supply device 13, 23, 33: stopper 22: lower guide shoe holder. Note that in the drawings, the same reference numerals and symbols indicate the same or equivalent parts.

Claims (1)

[Scope of Claims] Guide shoes disposed at the upper and lower corners of the elevator car and slidably engaged with guide rails set up in the hoistway to guide the elevator car ascent and descent; A guide shoe holding section that holds the guide shoe at the upper and lower corners of the elevator car, and a lubricating oil that is disposed above the guide shoe holding section and that lubricates the sliding surface between the guide rail and the guide shoe. and an oil supply means attached to the lower part of the guide shoe holding part to prevent the guide shoe from coming off in an emergency, support the guide shoe, and guide lubricating oil dripping from the upper part to the guide rail side. A guide device for an elevator, comprising a lower mounting plate.