JP2015101419A - Guide rail oiling device of elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent excessive supply of lubricating oil to a guide rail with a simple structure.SOLUTION: A guide rail oiling device of an elevator comprises: a support member 31 provided in a guide shoe 11; an application member 32 that contacts a guide rail 5 and applies lubricating oil; a slider 33 that is positioned by contacting the guide rail 5; a turning member 34, one end and the another end of which are attached to the application member 32 and the slider 33, respectively, whose intermediate part is turnably connected to the support member 31; and an energizing structure 35 that energizes the turning member 34 in a direction in which the application member 32 separates from the guide rail 5. In a stopped state of an elevator car and in a state where the lubricating oil is filled in the guide rail 5, the turning member 34 forms an initial attitude that positions the application member 32 away from the guide rail. During ascending of a lifting body in a state where the lubricating oil is running short in the guide rail 5, accompanying the pulling and moving of the slider 33 by an excessive sliding resistance 4 between the guide rail 5 and the slider 33, the turning member 34 forms an operation attitude that contacts the application member 32 with the guide rail 5 against energization by an energizing structure 35.

Description

  The present invention relates to a guide rail oil supply device for an elevator that supplies lubricating oil to a guide rail on which a guide shoe provided on a car or a counterweight slides.

  Guide rails are provided in the elevator hoistway so as to extend in the vertical direction. A lifting shoe made of a car or a counterweight is provided with a guide shoe that slides on a guide rail. In other words, as the elevating body moves up and down, the guide shoe slides with respect to the guide rails, thereby elevating the elevating body. In order to smoothly slide the guide shoe with respect to the guide rail, lubricating oil is supplied to the guide rail.

  As a guide rail oil supply device for supplying lubricant to the guide rail, there is one disclosed in Patent Document 1. The guide rail oil supply device includes an oil supply device that stores oil (lubricating oil), an oil supply pipe that guides oil from the oil supply device toward the guide rail, an oil valve that is interposed between the oil supply pipe and the oil supply device, And a mechanism for opening and closing the oil valve according to the sliding resistance of the guide rail.

  The mechanism includes a slider that contacts the guide rail, a slider support that supports the slider, an arm that is coupled to the slider support and one end, and a pin that is connected to the other end of the arm. A connecting rod that is pivotably coupled via a pin, a stand that pivotally supports the arm via a pin at a position between the connecting rod and the slider support, and a stand that is fixed to the guide shoe. And a member (such as a pin) that transmits the operation of the connecting rod to the oil valve.

Japanese Utility Model Publication No. 61-105374

  Although the oil supply device disclosed in Patent Document 1 can prevent excessive supply of lubricating oil to the guide rail, the oil supply device includes a link mechanism as a mechanism for transmitting the operation of the slider to the oil valve. Since it is a structure, it has the problem that manufacturing cost is high. For this reason, what can prevent supplying lubricating oil with respect to a guide rail excessively with a simpler structure than the oil supply apparatus disclosed by patent document 1 is desired.

  The present invention has been made in consideration of the above-described circumstances, and an object of the present invention is to provide an elevator guide rail oil supply device that can prevent excessive supply of lubricating oil to the guide rail with a simpler configuration than conventional ones. It is to provide.

  In order to achieve the above-described object, an elevator guide rail oil supply apparatus according to the present invention supplies lubricating oil to a guide rail that is a sliding object of a guide shoe provided on an elevator body composed of a car or a counterweight. In an elevator guide rail oil supply device, a supporting member that moves up and down integrally with the lifting body, an application member that impregnates lubricating oil, contacts the guide rail and applies lubricating oil, and contacts the guide rail. A sliding member located at one end, a rotating member having one end attached to the application member, the other end attached to the sliding member, and an intermediate portion rotatably connected to the support member; An urging structure for applying a moment of force in a direction away from the guide rail to the rotating member, and in a state in which the elevating body is stopped and in the guide rail In a state where the lubricating oil is satisfied, the rotating member has an initial posture in which the application member is positioned away from the guide rail by the moment of the force, and the lubricating oil in the guide rail is insufficient. As the slider is lifted or lowered, the rotating member rotates against the moment of force as the slider is pulled by excessive sliding resistance generated between the slider and the guide rail. By moving, an operating posture is formed in which the application member is brought into contact with the guide rail.

  In the elevator guide rail refueling apparatus according to the present invention, the only mechanism that transmits the operation of the slider to the coating member is a rotating member that is rotatably connected to the support member, and is a complicated mechanism such as a link mechanism. Therefore, excessive supply of lubricating oil to the guide rail can be prevented with a simpler configuration than before, and this can contribute to a reduction in the manufacturing cost of the guide rail oil supply device.

1 is a schematic view of an elevator to which an elevator guide rail fueling device according to an embodiment of the present invention is applied. It is a side view of the guide rail oil supply apparatus of the elevator which concerns on one Embodiment of this invention. It is a side view which shows a mode that the guide rail oil supply apparatus shown in FIG. 2 has apply | coated lubricating oil to the guide rail for cars. It is a top view of the application member shown in FIG.

  An elevator guide rail fueling device according to an embodiment of the present invention will be described with reference to FIGS.

  As shown in FIG. 1, an elevator 1 to which an elevator guide rail fueling device according to this embodiment is applied includes a hoistway 2, a car 10 (elevating body) and a counterweight disposed in the hoistway 2. 20 (elevating body), a plurality of wire ropes 3 for connecting the car 10 and the counterweight 20, a hoisting machine 4 for winding up these wire ropes 3, and a wall surface of the hoistway 2 extending vertically. And a pair of counterweight guide rails 6.

  Car guide shoes 11, 12 that slide with respect to the car guide rail 5 are provided at the upper end and the lower end of the car 10. Counterweight guide shoes 21, 22 that slide with respect to the counterweight guide rail 6 are provided on the upper end portion and the lower end portion of the counterweight 20, respectively. That is, as the car 10 (elevating body) moves up and down, the car guide shoes 11 and 12 slide relative to the car guide rail 5 to guide the car 10 to move up and down. When the counterweight guide shoes 21 and 22 slide with respect to the counterweight guide rail 6 as the lifter moves up and down, the lift and lowering of the counterweight 20 is guided.

  The guide rail oil supply device according to this embodiment is a guide rail oil supply device 30 shown in FIG. The guide rail oiling device 30 is a guide rail (riding board) that is a sliding target of guide shoes (car guide shoes 11, 12 or counterweight guide shoes 21, 22) provided on the car 10 or the counterweight 20. Lubricating oil is supplied to the car guide rail 5 or the counterweight guide rail 6). In the following, a case where the guide rail oil supply device 30 according to the present embodiment is used as a lubricant oil supply to the car guide rail 5 will be described as an example, and the counterweight guide rail 6 will be described. The case where the lubricating oil is supplied is the same as the case where the lubricating oil is used to supply the car guide rail 5, and the description thereof will be omitted.

  As shown in FIG. 2, the guide rail oil supply device 30 according to the present embodiment is impregnated with a support member 31 provided on the guide shoe 11 for the car so as to move up and down integrally with the car 10, and lubricating oil, An application member 32 that contacts the car guide rail 5 and applies lubricating oil, a slider 33 that contacts the car guide rail 5, and an application member 32 are attached to one end and the other end. A rotating member 34 to which a slider 33 is attached and whose intermediate portion is rotatably connected to the support member 31, and a moment of force in a direction in which the coating member 32 moves away from the car guide rail 5 are The urging structure 35 provided to 34 is provided as a component. These components will be described in detail.

  The application member 32 has a rectangular shape in side view and a U-shape in top view, a main body 32a impregnated with lubricating oil supplied from the outside, and a reinforcing frame 32b that prevents the main body 32a from being deformed. Is provided. The car guide rail 5 is inserted into the recess 32a1 of the main body 32a. In a state where the car guide rail 5 is inserted into the recess 32a1 of the main body 32a, both inner side surfaces of the recess 32a1 are in contact with both side faces of the car guide rail 5, and the inner end surface of the recess 32a1 is the guide rail for the car. 5 touches the tip. The reinforcing frame 32b is formed in a U-shape, and is fixed to both outer side surfaces and the back surface of the main body 32a.

  The slider 33 is made of a rod-shaped member made of an elastically deformable material, for example, a rubber rod-shaped member. As shown in FIG. 2, the slider 33 is inclined downward with respect to the car guide rail 5 in a direction away from the car guide rail 5. The upper end of the slider 33 is positioned in contact with the protruding end of the car guide rail 5, and the lower end of the slider 33 is positioned away from the car guide rail 5.

  The rotating member 34 is a rod-like member bent in an L shape. A portion that is an intermediate portion of the rotation member 34 and is rotatably coupled to the support member 31 is located above the L-shaped bent portion 34a.

  The urging structure 35 includes an arm 35a attached to the rotating member 34 and extending in a direction away from the car guide rail 5, and a weight 35b attached to the tip of the arm 35a.

  In the guide rail oil supply device 30 according to the present embodiment configured as described above, the lubricating oil in the state where the car 10 is stopped (the state where the car guide shoe 11 is stopped) and in the car guide rail 5 is provided. In the satisfied state, the rotating member 34 takes an initial posture (the posture shown in FIG. 2) in which the application member 32 is positioned away from the car guide rail 5 by the moment of force applied by the biasing structure 35.

  On the other hand, during the ascent of the car 10 in the state where the lubricating oil in the car guide rail 5 is insufficient (during the ascent of the car guide shoe 11), the slider 33 is in contact with the car guide rail 5. The rotating member 34 rotates against the moment of the force applied by the urging structure 35 as it is pulled by the excessive sliding resistance generated in the vehicle, whereby the application member 32 is guided to the car guide rail. 5 is an operating posture (the posture shown in FIG. 3). As a result, the application member 32 comes into contact with both side surfaces and the protruding end of the car guide rail 5 and applies lubricating oil.

  The elevator guide rail fueling device 30 according to this embodiment has the following effects.

  In the elevator guide rail refueling device 30 according to the present embodiment, the only mechanism that transmits the operation of the slider 33 to the application member 32 is the rotation member 34 that is rotatably coupled to the support member 31. Therefore, it is possible to prevent the lubricating oil from being excessively supplied to the guide rail with a simpler configuration than the conventional structure, thereby reducing the manufacturing cost of the guide rail oil supply device. Can contribute to reduction.

  In the elevator guide rail fueling device according to the above-described embodiment, the upper end of the slider 33 is positioned in contact with the protruding end of the car guide rail 5, and the lower end of the slider 33 is used for the car. By being positioned away from the guide rail 5, the rotating member 34 is brought into an operating posture by utilizing a sliding resistance generated between the slider 33 and the car guide rail 5 when the car 10 is raised. However, when the rotating member 34 is brought into the operating posture by utilizing the sliding resistance generated between the slider 33 and the car guide rail 5 when the car 10 is lowered, the slider 33 is used. The lower end of the slider 33 may be positioned in contact with the protruding end of the car guide rail 5, and the upper end of the slider 33 may be positioned away from the car guide rail 5.

DESCRIPTION OF SYMBOLS 1 Elevator 2 Hoistway 3 Wire rope 4 Hoisting machine 5 Car guide rail 6 Counterweight guide rail 10 Car 11, 12 Car guide shoe 20 Counterweight 21, 22 Counterweight guide shoe 30 Guide rail lubrication Device 31 Support member 32 Application member 32a Main body 32b Reinforcement frame 33 Slider 34 Rotating member 34a Bending portion 35 Biasing structure 35a Arm 35b Weight

Claims (1)

In an elevator guide rail oil supply device that supplies lubricating oil to a guide rail that is a sliding target of a guide shoe provided on a lifting body composed of a passenger car or a counterweight,
A support member that moves up and down integrally with the lifting body;
An application member for impregnating the lubricating oil and applying the lubricating oil in contact with the guide rail;
A slider positioned in contact with the guide rail;
A rotating member having the application member attached to one end, the slider attached to the other end, and an intermediate portion rotatably coupled to the support member;
A biasing structure that imparts a moment of force in a direction in which the application member separates from the guide rail to the rotating member;
In a state where the lifting body is stopped and in a state where the lubricating oil in the guide rail is filled, the rotating member takes an initial posture to position the application member away from the guide rail by the moment of the force. ,
While the elevating body is moving up or down in a state where the lubricating oil in the guide rail is insufficient, the slider is pulled by excessive sliding resistance generated between the guide rail and the guide rail. An elevator guide rail fueling device according to claim 1, wherein the rotating member rotates against the moment of force to form an operation posture in which the application member contacts the guide rail.