JPH0444535Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a lubricating device for an elevating body such as an elevator or a dumbwaiter, and in particular to an improvement in the lubricating structure for a guide rail having a π-shaped cross section.

[Conventional technology]

Figures 3 to 5 show a conventional refueling system for an elevating body as shown in, for example, Japanese Utility Model Publication No. 47-12265. In the figures, 1 indicates the lower frame of an elevator car;
2 is a similar vertical frame, 8 is a similar upper beam, and 4 is a car compartment, which are installed on the lower frame 1. 5 is a guide shoe provided at the four corners of the upper and lower ends of the car; 6 is an oil supply device that supplies oil to a guide rail 7 provided at the top of the car; an oil supply device 8 that stores oil;
A brush 9 is provided that protrudes toward the guide rail 7 from both left and right sides of the oil supply device 8 and supplies oil to the guide rail 7.

The conventional lubricating device for an elevating body is configured as described above, and oil in the lubricating device 8 is supplied to the guide rail 7 via the brush 9 by capillary action.

[Problem that the invention attempts to solve]

In the conventional lubricating device for an elevating body as described above, as shown in FIGS. 4 and 5, the brushes 9 on both the left and right sides are
protrudes straight from the oil supply device 8, so when the guide rail 7 has a π-shaped cross section and the three surfaces indicated by numerals 7a, 7b, and 7c in FIG. 5 serve as guide surfaces, the brush 9 The guide surface 7a, which the tip of the
There is a problem that parts b and 7c are not sufficiently refueled. As a result, a squealing noise may be generated due to friction between the guide shoe 5 and the guide rail 7.
There was a problem in that the frictional force between the guide shoe 5 and the guide rail 7 became unstable, causing discomfort to the passengers, such as impairing riding comfort. Also, the left and right brushes 9
Of these, only the brushes 9 on the side that make contact with the guide rail 7 wear out, while the brushes 9 on the side that do not make contact do not wear out, so the wear becomes uneven even in the same bundle of brushes 9, and it is difficult to adjust the brushes 9 when they are worn out. The problem was that it was difficult.

This invention was made to solve these problems, and it is possible to prevent the occurrence of squealing noise, vibration, etc. by sufficiently lubricating the guide rail, and to make maintenance easier by uniformly wearing the brushes. The object of the present invention is to obtain a refueling device for an elevating body that can perform the following steps.

[Means for solving problems]

The oiling device for an elevating body according to this invention has brushes on both the left and right sides arranged in two stages, upper and lower, respectively, and the left and right brushes in one of the upper and lower stages are made to protrude straight from the oiler, and the brushes on either the upper and lower stages are The tips of the brushes on the left and right sides of the tier are bent inward.

[Effect]

In this design, the left and right brushes are arranged in two stages, top and bottom, respectively, and the left and right brushes in one stage protrude straight from the oil dispenser, and the tips of the left and right brushes in the other stage are directed inward. Since the brush is bent at a right angle, the brush can be brought into contact with each of the three guide surfaces of the guide rail having a π-shaped cross section at right angles. Therefore, it becomes possible to supply sufficient oil and to make the wear of the brush uniform.

〔Example〕

1 and 2 show an embodiment of this invention, and in the figures, the same reference numerals as in FIGS. 3 to 5 indicate the same or corresponding parts. In this example,
Two bundles of brushes 9 on both the left and right sides are arranged in two upper and lower tiers, and the left and right brushes 9 in the upper tier are connected to the oil supply device 8.
The lower left and right brushes 9 are bent inward in an arc shape along the guide portion 8a of the oil dispenser 8, and the brushes 9 protrude straight from the guide surface 7b of the guide rail 7.
It is arranged to be in contact with c at a right angle.

In the refueling device for an elevating body configured as described above, the upper brush 9 contacts the guide surface 7a of the guide rail 7 at right angles, and the lower brush 9 contacts the guide surfaces 7b, 7c of the guide rail 7 at right angles. Therefore, all three guide surfaces 7a, 7b, and 7c are sufficiently lubricated. Therefore, friction and wear between the guide shoe 5 and the guide rail 7 can be reduced, noise, vibrations, etc. can be prevented from occurring, and an elevator with good riding comfort can be obtained. Moreover, the wear of each brush 9 becomes uniform, making replacement work easier, and an elevator that is easy to maintain can be obtained. Further, since the guide portion 8a of the oil supply device 8 that bends the left and right brushes 9 in the lower stage has a curved surface, the followability of the brushes 9 is good.

In the above embodiment, the upper brush 9 is straight and the lower brush 9 is bent inward, but the same effect can be obtained even if the upper and lower brushes are reversed. .

In the above embodiment, an elevator car was taken as an example, but it can be similarly applied to an elevator's counterweight, and can also be applied to a lifting body of a lifting device other than an elevator, such as a dumb waiter, and the same effect can be obtained. can be expected.

[Effect of idea]

As explained above, this idea consists of arranging the left and right brushes in two stages, one above the other, and having the left and right brushes in one stage protrude straight from the oil dispenser, while the tips of the left and right brushes in the other stage are arranged in two stages. Since the brush is bent inward, the tip of the brush can be brought into contact with all three guide surfaces of the guide rail having a π-shaped cross section at right angles. Therefore, each guide surface can be sufficiently lubricated and the brushes can be worn uniformly.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of a lubricating device for an elevating body showing an embodiment of this invention, Fig. 2 is a plan view of the main part of Fig. 1,
FIG. 3 is a vertical sectional view of a hoistway showing a conventional lubricating device for a lifting body, FIG. 4 is a similar view corresponding to FIG. 1, and FIG. 5 is a similar view corresponding to FIG. 2. 4... Car room, 6... Oil supply device, 7... Guide rail, 7a, 7b, 7c... Guide surface, 8...
Oil dispenser, 9...brush. In each figure, the same reference numerals indicate the same or equivalent parts.

Claims (1)

[Scope of utility model registration request] A lifting body that ascends and descends in the hoistway, a guide rail with a π-shaped cross section that is installed in the hoistway and guides the hoisting body, and a fuel supply device provided at the top of the hoistway that extends toward the guide rail from both left and right sides. In a lubricating device for an elevating body, which is equipped with a brush that supplies oil to a protruding guide rail, the brushes on both the left and right sides are arranged in two stages, upper and lower, respectively, and the left and right brushes in one of the upper and lower stages are used as a lubricator. At the same time, make the tips of the left and right brushes on the other stage stick out straight from the
A refueling device for an elevating body characterized by being bent inward.