JP7204961B2 - Elevator balance chain lubricator - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic lubricating device for lubricating an elevator car moving up and down in a hoistway and a balancing chain provided as a main rope weight compensating device under the weight.

When the elevator travel is long, a counterbalance chain may be provided under the car and weight as a main rope weight compensator. In order to suppress the noise generated when the links of the chain rub against each other, a hemp rope for noise reduction is passed between the links of this counterbalanced chain. (See Patent Document 1, for example).

JP 2006-206199

As the elevator car and weight move up and down, the suspension shape of the counterbalancing chain changes, requiring play between the links of the chain. However, because of this play, even if hemp rope is used, the rustling sound cannot be completely eliminated. Also, depending on the tension of the hemp rope, the shape of the link, etc., there may be cases where the noise is louder than expected. Therefore, in order to reduce the rubbing sound of the counterbalancing chain, there is a device according to Patent Document 1 that allows workers to refuel without trouble. However, in Patent Document 1, it is necessary to install an oil applicator arranged to surround the balance chain and a mounting arm for installing this oil applicator in the hoistway. There was a problem that it takes time and effort to install the device, and the installation space for the entire device becomes large.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and its object is to simplify the installation process and to install the entire apparatus without installing equipment such as a mounting arm in the hoistway. To provide an automatic lubrication device for a balance chain capable of reducing installation space.

An automatic lubricating device for a balancing chain according to the present invention is a lubricating device for lubricating a balancing chain connecting an elevator car moving up and down in a hoistway and a counterweight. an oil-impregnated body disposed at least partially in contact with the chain of the balancing chain; and an oil-impregnated body provided across the frame and the tank, the oil-impregnated body extending from the frame to the interior of the tank. and a feedthrough that guides the oil-impregnated body inserted from the feed port and arranged through the inside of the tank to the frame from the inside of the tank. a hole, holding means for holding one of the oil-impregnated bodies guided to the frame through the through hole through the inside of the tank, and a support provided in the frame for detachably supporting the lubricating device on the chain. and means.

According to the present invention, in the work of installing the lubricating device, it is only necessary to hook the supporting means provided on the frame to the balancing chain. It is possible to realize an automatic lubricating device for a balance chain that can reduce the installation space of the entire device without having to do so.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a front view showing an elevator balancing chain lubrication system (whole) according to Embodiment 1 of the present invention; 1 is a front view showing a main part of the elevator balancing chain lubrication system of FIG. 1 according to Embodiment 1 of the present invention; FIG. Fig. 3 is a plan view (upper surface) showing a main part of the elevator balancing chain lubrication system of Fig. 2 according to Embodiment 1 of the present invention; FIG. 3 is a plan view (lower surface) showing a main part of the elevator balancing chain lubrication system of FIG. 2 according to Embodiment 1 of the present invention; Fig. 3 is a front view showing a usage state of the elevator balancing chain lubricating device of Fig. 2 according to Embodiment 1 of the present invention; Fig. 3 is a front view showing a main part of the elevator balancing chain lubrication system of Fig. 2 according to Embodiment 1 of the present invention, where a hemp rope is arranged;

Embodiment 1.
1 to 6 illustrate an elevator balancing chain lubricating device according to Embodiment 1 of the present invention . FIG. 1 is a front view showing the elevator balancing chain lubricating device (overall), and FIG. FIG. 3 is a plan view (upper surface) showing the essential parts of the elevator balancing chain lubricating system, and FIG. 4 shows the essential parts of the elevator balancing chain lubricating system. It is a top view (lower surface) shown. FIG. 5 is a front view showing the state of use of the elevator balancing chain lubricating device, and FIG. 6 is a front view showing a main part of the elevator balancing chain lubricating device where hemp ropes are arranged. Equipment installed in the elevator hall and the hoistway is omitted from the drawing.

In the figure, in a hoistway 1 of an elevator, a car 2 and a counterweight 3 are suspended from both ends of a main rope 5 via a hoist 4 . Normally, the weights of the car 2 and the counterweight 3 are almost balanced, but as the ascending/descending stroke increases, the length of the main rope 5 increases and the weight of the main rope 5 increases. is in the farthest state, most of the weight of the main rope 5 acts on either the car 2 or the counterweight 3, and the weight of the one acting on the weight of the main rope 5 acts on the other. Because it becomes significantly heavier, it becomes difficult to maintain a balanced state, and the balance is lost. Therefore, the balance chain 6 is attached as a main rope weight compensating device provided for stabilizing the balance by increasing the weight of one side on which the weight of the main rope 5 acts, by increasing the weight of the other side.

One of the balance chains 6 is attached to the bottom of the car 2 and the other is attached to the bottom of the counterweight 3 . In elevators in which the counterbalance chain 6 is arranged, the counterbalance chain 6 is normally used with one hanging from the lower part of the car 2 and the other hanging from the lower part of the counterweight 3, respectively. Here, the lubrication device 7 is arranged on the counterweight chain 6 in the vicinity of where the counterweight chain 6 of the counterweight 3 is attached. A hemp rope 8 is wound around the counterbalancing chain 6 over its entirety to reduce rubbing noise generated from each chain constituting the counterbalancing chain 6 when the elevator is in use. there is

The oil supply device 7 is provided with a frame body 9 which is a structural body, and a tank portion 11 provided inside the frame body 9 and in which oil 10 is stored. The frame 9 has a hook portion 12 for detachably hooking the lubricating device 7 to the balance chain 6, and a hemp rope 8 for guiding the end of the hemp rope 8 from the frame 9 to the inside of the tank portion 11 and for fishing through the hemp rope 8. An oil supply port 13 for supplying oil 10 to the joint chain 6, and an end portion of the hemp rope 8 inserted from the oil supply port 13 and arranged through the inside of the tank portion 11 is guided from the inside of the tank portion 11 to the frame body 9. A through hole 14 is provided.

The hemp rope 8 is provided to reduce rubbing noise generated from the balancing chain 6, but by using its fibrous composition, the inside of the tank part 11 is impregnated with the oil 10 to absorb the oil. It is used as an oil-impregnated body for lubricating the chain 6. Therefore, when the hemp rope 8 is used in the lubricating device 7, the hemp rope 8 is cut near the lower portion of the counterweight 3, and the lower side of the cut hemp rope 8 is separated from the chain of the counterweight chain 6 by a predetermined amount. Remove length.

The lower end of the cut hemp rope 8 is inserted from the filler port 13 and placed inside the tank portion 11 . Furthermore, the end of the hemp rope 8 arranged inside the tank portion 11 is pulled out from a through hole 14 provided in the upper portion of the tank portion 11 .

A knot 15 is formed at the end of the hemp rope 8 pulled out from the through-hole 14 and held on the upper part of the frame 9 . The knot 15 is holding means for holding one end of the hemp rope 8 guided to the frame 9 through the through hole 14 via the inside of the tank portion 11 to the frame 9 . The through-hole 14 has a diameter that allows the hemp rope 8 to pass through, and has a smaller diameter than the knot 15 , and is formed to have a cross section substantially similar to the hemp rope 8 .

The hook portion 12 is provided on the upper portion of the frame 9 and is provided as support means for detachably supporting the oil supply device 7 on the balance chain 6 . The knot 15 is provided as holding means for holding the hemp rope 8 guided by the through hole 14 and arranged inside the tank portion 11 to the frame 9 .

Next, the operation of the first embodiment configured as described above will be described with reference to FIGS. First, the lubrication device 7 is supported by hooking the hook portion 12 on the chain of the balance chain 6 near the lower portion of the balance weight 3 . Next, the lower end of the cut hemp rope 8 is inserted into the filler port 13 from the outside. Here, with the hemp rope 8 inserted into the fuel filler port 13 blocking the fuel filler port 13, the end of the hemp rope 8 is temporarily held inside the tank part 11.例文帳に追加

Next, while keeping the through hole 14 facing upward, the oil 10 is poured into the tank portion 11 from the upper portion of the through hole 14 . At this time, the oil 10 is filled to such an extent that it does not overflow from the tank portion 11, and the filling is completed with a slight margin. Next, while holding the through hole 14 facing upward, the hemp rope 8 inserted into the fuel filler port 13 is further pushed into the tank part 11 (upper part), and the end of the hemp rope 8 is pushed through the through hole 14. pull it out. Since the hemp rope 8 pulled out from the through-hole 14 will be pulled out of the tank part 11 as it is, a knot 15 is tied to prevent it from falling off easily. The hemp rope 8 can be held in the frame 9 by hooking the knot 15 on the through hole 14.例文帳に追加

With the hemp rope 8 held on the frame 9, the lubricating device 7 is hooked on the chain of the counterbalance chain 6 by the hook portion 12, and left for a while. The oil 10 oozes out, and the chain of the balancing chain 6 around which the hemp rope 8 is wound is lubricated with the oil 10. - 特許庁At this time, the elevator can be normally operated with the lubricating device 7 hooked on the balance chain 6 . Therefore, since the lubricating device 7 automatically lubricates the balancing chain 6, the operator does not have to wait in the hoistway 1. Therefore, the oil 10 in the tank portion 11 is automatically supplied to the balancing chain 6 through the hemp rope 8 by the lubricating device 7, and the oil 10 is left in the tank portion 11 until all the oil 10 is exhausted. Thus, the lubricating operation of the balance chain 6 by the lubricating device 7 is completed.

After completing the lubricating operation to the balancing chain 6, the lubricating device 7 is removed from the balancing chain 6. - 特許庁As for the procedure for removing, first, the knot 15 of the hemp rope 8 held by the frame 9 is untied, and the hemp rope 8 is pulled out from the tank portion 11 . The pulled out hemp rope 8 is restored to its original state by joining the ends of the first cut hemp rope 8 with an adhesive tape or the like. The operation of the lubrication device 7 is completed by removing the hook portion 12 from the chain of the balance chain 6 and returning it to a predetermined position.

As described above, according to Embodiment 1, in the lubricating device 7 for lubricating the balance chain 6 connecting the elevator car 2 moving up and down in the hoistway 1 and the counterweight 3, the a frame 9 having a tank portion 11 in which oil 10 is stored; A fuel supply port 13 provided over the frame body 9 to guide the hemp rope 8 from the frame body 9 to the inside of the tank portion 11 and to supply the oil 10 to the balancing chain 6 via the hemp rope 8; A through hole 14 that guides the hemp rope 8 arranged through the inside of the tank portion 11 to the frame 9 from the inside of the tank portion 11, and a hemp that is guided to the frame 9 from the through hole 14 through the inside of the tank portion 11. The lubricating device 7 is installed by providing a knot 15 for holding one end of the rope 8 to the frame 9 and a hook portion 12 provided on the frame 9 and detachably supporting the lubricating device 7 to the chain 6. Since it is sufficient to hook the hook part 12 on the chain 6, the operation is simple and trouble-free. Further, since the hemp rope 8 originally provided in the elevator is diverted to the lubricating device 7, it is possible to install the chain 6 and refuel without providing any device other than the lubricating device 7 to the hoistway 1. - 特許庁In addition, the installation space for the entire device can be minimized because it is sufficient to have only the vicinity of the chain 6. - 特許庁

Further, since the elevator can be used even when the fueling device 7 is installed, the operator does not need to wait in the hoistway 1 until the fueling is completed, and the worker can be unmanned until the fueling is completed. In other words, it is only necessary to leave the oil supply device 7 as it is installed and remove the oil supply device 7 after the oil supply is completed. As a result, it is possible to reduce the burden on the worker during the refueling work.

Further, since the hemp rope 8 is used as the oil-impregnated body, there is no need to provide a new oil-impregnated body, so the cost can be suppressed. Further, since the hemp rope 8 provided in the existing elevator can be used, the fuel supply device 7 can be easily installed.

Further, by providing the hook portion 12 as a support means, even if it is a balance chain provided in an existing elevator, a chain on which the hook portion 12 is hooked can be used. can do.

Further, by providing the knot 15 of the hemp rope 8 as the holding means, the equipment cost is eliminated. Further, the hemp rope 8 can be easily removed from the fuel supply device 7 only by untying the knot 15 after the work is completed.

In Embodiment 1, the lubricating device 7 is attached to the counterbalance chain 6 below the counterweight 3, but even if it is attached to the balance chain 6 below the car 2, the same action and effect can be obtained. Needless to say.

Further, in Embodiment 1, the hook portion 12 has a hook shape, but it may have a carabiner shape, for example, as long as it can be easily attached to and detached from the chain of the chain 6 .

Further, in Embodiment 1, the holding means is the knot 15, but it is sufficient to prevent the hemp rope 8 from falling out of the frame 9. Therefore, for example, the hemp rope 8 may be temporarily fixed by sandwiching it with a clip or the like having a size larger than the through hole 14 .

Reference Signs List 1 hoistway, 2 cage, 3 counterweight, 4 hoisting machine, 5 main rope, 6 counterbalancing chain, 7 lubrication device, 8 hemp rope, 9 frame, 10 oil, 11 tank portion, 12 hook portion, 13 Filler port, 14 through hole, 15 knot

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic lubricating device for lubricating an elevator car moving up and down in a hoistway and a balancing chain provided as a main rope weight compensation device under the weight.

Claims (3)

A lubricating device for lubricating a balance chain connecting an elevator car moving up and down in a hoistway and a balance weight,
a frame provided in the hoistway and having a tank in which oil is stored;
an oil-impregnated body positioned at least partially in contact with the strands of said balancing chain;
an oil filler port provided across the frame and the tank for guiding the oil-impregnated body from the frame into the tank and for supplying the oil to the balance chain through the oil-impregnated body;
a through hole for guiding the oil-impregnated body, which is inserted from the oil filler port and arranged via the inside of the tank, from the inside of the tank to the frame;
holding means for holding, in the frame, one of the oil-impregnated bodies guided to the frame through the through hole through the inside of the tank;
and support means provided on the frame for detachably supporting the lubricating device on the chain.
2. The elevator balancing chain lubricating device according to claim 1, wherein said oil-impregnated body is a hemp rope, and said support means is a hook hooked on said chain.
3. The elevator balancing chain lubricator according to claim 2, wherein said retaining means is a knot provided on one of said hemp ropes.

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