JP2003306280A - Guide shoe - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a guide shoe 1 capable of increasing a space efficiency on and around the guide shoe 1 and having an oil supply function not feeding oil more than necessary. <P>SOLUTION: This guide shoe 1 guides the movement of a mobile body such as the car of an elevator by sliding on a guide rail installed on a moving route. The guide shoe comprises a vibrationproof rubber 4 disposed on the outer side of a shoe 3 sliding on the guide rail. The vibrationproof rubber 4 having an oil bearing capability can supply oil content contained therein to the sliding surface 6 of the shoe 3. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a guide shoe that slides on a guide rail provided on a moving path to guide the movement of a moving body such as an elevator cage.

[0002]

2. Description of the Related Art As shown in FIG. 4, a guide rail 52 extending in a vertical direction is provided in a moving path (hoistway) 51 of an elevator.
Is provided, and the guide shoe 5 is attached to the cage 53.
4 is provided, and the latter guide shoe 54 engages with and slides on the former guide rail 52 to guide the raising and lowering of the cage 53. Further, in order to make the sliding of the guide shoe 54 with respect to the guide rail 52 smooth, an oil supply device 55 for supplying lubricating oil to the sliding surface is provided (see Japanese Patent Laid-Open No. 63-315482).

However, in the above prior art,
As shown, the guide shoe 54 having a sliding function.
Since the oil supply device 55 and the oil supply device 55 having the oil supply function are separately provided as independent devices, the following inconvenience occurs. Since the refueling device 55 takes its own space, the space efficiency is not good as a whole. The maintenance environment is not good because a large amount of oil adheres to the elevator machine room. This is because the oil that has been discharged from the oil supply device 55 in an unnecessarily large amount is scattered around when the cage 53 is moved up and down.

[0004]

In view of the above points, the present invention provides a guide shoe capable of improving the space efficiency of the guide shoe and its surroundings, and in addition to this, oil is used more than necessary. An object of the present invention is to provide a guide shoe having an oil supply function that does not supply oil.

[0005]

In order to achieve the above object, a guide shoe according to claim 1 of the present invention slides on a guide rail provided on a moving path to move a moving body such as an elevator cage. A guide shoe for guiding, which has a vibration-proof rubber arranged on the outer surface side of the shoe that slides on the guide rail, and the vibration-proof rubber has oil impregnation property. It is characterized in that it can be supplied to the sliding surface of the shoe.

A guide shoe according to a second aspect of the present invention is the guide shoe according to the first aspect, wherein when the load acts on the guide shoe to elastically deform the anti-vibration rubber, the anti-vibration rubber is attached to the anti-vibration rubber. The oil content contained is squeezed out of the anti-vibration rubber and supplied to the sliding surface of the shoe.

In the guide shoe according to claim 1 of the present invention having the above structure, the anti-vibration rubber has oil impregnation property, and the oil component contained in the anti-vibration rubber can be supplied to the sliding surface of the shoe. Therefore, the guide shoe itself has an oil supply function in addition to the sliding function. The oil contained in the anti-vibration rubber is not constantly supplied to the sliding surface of the shoe, but is supplied to the sliding surface of the shoe only when a load acts on the guide shoe and the anti-vibration rubber elastically deforms. To be done. At this time, the oil component contained in the anti-vibration rubber is squeezed out from the anti-vibration rubber as the anti-vibration rubber is compressed and supplied to the sliding surface of the shoe (claim 2).

The guide shoe of the present invention having the above structure is used in the field of elevators for lifting and lowering, and also in the field of structures having other sliding mechanisms.

The present application includes the following technical matters.

That is, in order to achieve the above object, one guide shoe proposed by the present application has the following contents. It is characterized in that the anti-vibration rubber, which is mainly used for cushioning, is subjected to oil impregnation treatment so that it can be refueled. The guide shoe has a lubrication function, and the lubrication device is omitted. The feature is that oil is applied when the load is applied to prevent unnecessary refueling. It is characterized in that an appropriate amount of oil contained in the anti-vibration rubber is applied to the sliding surface through the oil hole of the shoe when compressed by vibration or the like.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings.

First Embodiment FIG. 1 shows a perspective view of a guide shoe 1 according to the first embodiment of the present invention.

The guide shoe 1 according to the embodiment is mounted on an elevator cage (not shown) and slides on a guide rail (not shown) provided in the elevator hoistway to raise and lower the cage. It is a guide and is configured as follows.

That is, a shoe assembly 2 integrally formed with an anti-vibration rubber (also referred to as a damper) 4 is provided on the outer surface of a shoe 3 that slides with a guide rail, and the shoe assembly 2 is held and mounted on the shoe assembly 2. A housing (also referred to as a base or a case) 5 as a fixing means for fixing to a basket is provided, and the shoe assembly 2 and the housing 5 form the guide shoe 1.

The shoe 3 is formed of a low sliding material such as nylon containing molybdenum disulfide so as to have a substantially U-shaped cross section, and the front surface of the shoe 3 is engaged with a guide rail to slide. A groove-shaped sliding surface 6 is formed.

The anti-vibration rubber 4 is formed of foamed rubber such as foamed polyurethane rubber so that the cross section thereof is also substantially U-shaped, and is baked on the entire outer surface of the shoe 3.

The housing 5 is made of a high-strength material such as glass-filled nylon or aluminum so as to ensure a required strength, and a groove-shaped insertion portion 7 for inserting a guide rail is formed on the front surface thereof. On the inner surface of the groove-shaped insertion portion 7, the shoe 3 and the anti-vibration rubber 4 are attached.
A concave-shaped accommodating / holding portion 8 for accommodating and holding the shoe assembly 2 is formed. Also this housing 5
Is provided with mounting means (not shown) for mounting the housing 5 on the cage.

The anti-vibration rubber 4 made of foamed polyurethane or the like is subjected to an oil impregnation treatment to set the oil impregnation property, and the oil content in the anti-vibration rubber 4 slides on the shoe 3 when the guide shoe 1 is operated. It can be supplied to the moving surface 6. In order to supply oil on the outer side of the shoe 3 to the sliding surface 6 on the inner side of the shoe 3, the shoe 3 has a required number of hole-shaped oil supply ports (also referred to as oil holes) 9 penetrating the shoe 3 in the plate thickness direction. It is provided.

When the guide shoe 1 operates, for example, when vibration occurs on the cage side, the shoe 3 and the housing 5
Is relatively displaced as shown in FIG. 2, for example, and the vibration-proof rubber 4 interposed between the shoe 3 and the housing 5 is elastically deformed. The anti-vibration rubber 4 exerts its original cushioning function by this elastic deformation, but at this time, the anti-vibration rubber 4 is strongly sandwiched between the shoe 3 and the housing 5 and compressed on the compression side of the elastic deformation. Therefore, oil contained in the vibration-proof rubber 4 is squeezed out from the vibration-proof rubber 4 and supplied to the sliding surface 6 of the shoe 3 from the oil supply port 9 provided in the shoe 3 to lubricate the sliding surface 6. Become.

According to the guide shoe 1 having the above structure, the following operational effects can be obtained.

That is, first, as described above, the anti-vibration rubber 4
The oil impregnation is set by the oil impregnation on the guide shoe 1 and the oil content contained in the anti-vibration rubber 4 is supplied to the sliding surface 6 of the shoe 3. In addition to the sliding function, it has a lubrication function.
Therefore, unlike the prior art of FIG. 4, it is not necessary to separately provide the oil supply device 55 in addition to the guide shoe 54, and the oil supply device 55 can be omitted, so that the space efficiency of the guide shoe 1 and its periphery is improved. Can be made.

Further, the anti-vibration rubber 4 is originally provided for exhibiting the cushioning function, and is not particularly added for exhibiting the oil supply function. Therefore, the number of parts of the guide shoe 1 does not particularly increase.

Further, the guide shoe 1 has a vibration-proof rubber 4
When the oil contained in the oil is not constantly supplied to the sliding surface 6, but the shoe 3 and the housing 5 are relatively displaced by vibration or the like and a large load acts on the vibration isolating rubber 4, and the vibration isolating rubber 4 is elastically deformed. Only supply. Therefore, since the amount of oil supply can be suppressed to a relatively small amount, it is possible to prevent excess oil from scattering and adhering to the surroundings, thus improving the maintenance environment.

The guide shoe 1 according to the first embodiment is
The configuration may be added or changed as follows.

A protrusion-shaped filling portion (not shown) filled in the hole-shaped supply port 9 provided in the shoe 3 is integrally molded with the anti-vibration rubber 4. By doing so, the oil component contained in the vibration isolating rubber 4 is more smoothly supplied to the sliding surface 6 through the filling portion.

In the first embodiment described above, the shoe assembly 2 including the shoe 3 and the anti-vibration rubber 4 is integrally incorporated in the housing 5, but the shoe assembly 2 can be replaced with a new one at the time of maintenance. Thus, the guide shoe 1 can be disassembled and assembled.

Second Embodiment FIG. 3 shows an embodiment of the disassembled / assembled type guide shoe 1. The guide shoe 1 is constructed as follows.

That is, the shoe assembly 2 integrally formed with the vibration-proof rubber 4 is provided on the outer surface of the shoe 3 that slides with the guide rail (not shown), and the shoe assembly 2 is also provided.
There is provided a housing 5 as a fixing means for holding and fixing this to a cage (not shown), and the shoe assembly 2 and the housing 5, and the lid 10 and the lid assembling means 11 provide the guide. The shoe 1 is formed.

The shoe 3 is formed of a low sliding material such as nylon containing molybdenum disulfide so as to have a substantially U-shaped cross section, and has a front surface for engaging with a guide rail and sliding. A groove-shaped sliding surface 6 is formed.

The anti-vibration rubber 4 is formed of foamed rubber such as foamed polyurethane rubber so that the cross section thereof is also substantially U-shaped, and is baked on the entire outer surface of the shoe 3.

The housing 5 is formed of a high-strength material such as glass-filled nylon or aluminum in order to ensure the required strength, and the shoe assembly 2 composed of the shoe 3 and the anti-vibration rubber 4 is housed on the front surface thereof. A recess-shaped accommodating / holding portion 8 for holding is formed. A flange-shaped receiving portion 12 is provided at a lower end portion of the housing holding portion 8 so as to prevent the housed shoe assembly 2 from dropping downward or shifting in position.
The guide rail is inserted into the notch-shaped insertion portion 7 provided on the front surface of the guide rail. In addition, in this housing 5, this housing 5
A required number of insertion holes 13 are provided for inserting mounting screws for attaching the to.

The lid 10 is formed by punching out a steel plate or the like and is fixed to the upper surface of the housing 5 to prevent the housed shoe assembly 2 from dropping off or being displaced. A notched guide rail insertion portion 14 is provided on the front surface of the lid 10.

The lid assembling means 11 has a female screw 15 provided on the upper surface of the housing 5, and an insertion hole 16 for an assembling screw 17 provided on the plane of the lid 10 in alignment with the female screw 15. The female screw 15 is inserted into the insertion hole 16
And an assembling screw 17 to be fastened to the housing 5. The lid assembling means 11 is provided on the left and right sides of the housing 5 and the lid 11, respectively. Therefore, this lid assembling means 11
Thus, by removing the lid 10 from the housing 5, the shoe assembly 2 can be pulled out upward from the housing 5, so that the shoe assembly 2 can be replaced with a new one as needed during maintenance.

The antivibration rubber 4 made of foamed rubber such as polyurethane foam is subjected to oil impregnation treatment to set the oil impregnation property, and the oil content in the antivibration rubber 4 is shoeed when the guide shoe 1 is operated. 3 can be supplied to the sliding surface 6. The shoe 3 is provided with a required number of hole-shaped oil supply ports 9 that penetrate the shoe 3 in the plate thickness direction so that the oil outside the shoe 3 is supplied to the sliding surface 6 inside the shoe 3.

When the guide shoe 1 is actuated, when the cage side vibrates, the shoe 3 and the housing 5 are relatively displaced, and the anti-vibration rubber 4 interposed between the shoe 3 and the housing 5 is elastically deformed. The anti-vibration rubber 4 exerts its original cushioning function due to this elastic deformation.
It is strongly sandwiched and compressed. Therefore, the anti-vibration rubber 4
Oil contained in is squeezed from the anti-vibration rubber 4 and the shoe 3
The oil is supplied to the sliding surface 6 of the shoe 3 from the oil supply port 9 provided in the above to lubricate the sliding surface 6.

Therefore, according to the guide shoe 1 according to the second embodiment, in the disassembled / assembled type guide shoe 1, the same operational effect as that of the first embodiment can be obtained.

[0037]

The present invention has the following effects.

That is, in the guide shoe according to claim 1 or 2 of the present invention having the above-mentioned structure, the anti-vibration rubber has oil impregnation property, and the oil content contained in the anti-vibration rubber is the sliding surface of the shoe. In addition to the sliding function, the guide shoe itself has an oil supply function in order to be supplied to the. Therefore,
Unlike the prior art, it is not necessary to separately provide an oil supply device in addition to the guide shoe, and the oil supply device can be omitted, so that the space efficiency of the guide shoe and its surroundings can be improved.

The anti-vibration rubber is originally provided for exhibiting a cushioning function, and is not particularly added for exhibiting an oil supply function. Therefore, the number of parts of the guide shoe does not particularly increase.

Further, the guide shoe does not constantly supply the oil content contained in the antivibration rubber to the sliding surface, but only when the antivibration rubber is elastically deformed by a load acting on the guide shoe due to vibration or the like. , Supply. Therefore, since the amount of oil supply can be suppressed to a relatively small amount, it is possible to prevent excess oil from scattering and adhering to the surroundings, thus improving the maintenance environment. According to the second aspect, the oil component contained in the vibration isolating rubber is supplied so as to be squeezed out from the vibration isolating rubber when a load acts on the guide shoe to elastically deform the vibration isolating rubber. It is possible to supply oil at a timely timing when needed.

[Brief description of drawings]

FIG. 1 is a perspective view of a guide shoe according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing an operating state of the guide shoe.

FIG. 3 is an exploded perspective view of a guide shoe according to a second embodiment of the present invention.

FIG. 4 is an explanatory diagram of a guide shoe and an elevator device according to a conventional example.

[Explanation of symbols]

1 guide shoe 2 shoe assembly 3 shoes 4 anti-vibration rubber 5 housing 6 Sliding surface 7,14 insertion part 8 storage 9 Oil supply port 10 lid 11 Lid assembling means 12 Receiver 13,16 Insertion hole 15 female screw 17 Assembly screw

Claims (2)

[Claims] 1. A guide shoe (1) which slides on a guide rail provided on a moving path to guide the movement of a moving body such as a cage of an elevator, the shoe (3) sliding on the guide rail. Has a vibration damping rubber (4) disposed on the outer surface side of the shoe (3), and the vibration damping rubber (4) has oil impregnation property, and oil contained in the vibration damping rubber (4) is slid on the shoe (3). A guide shoe, characterized in that it can be supplied to the moving surface (6). 2. The guide shoe according to claim 1, wherein when a load acts on the guide shoe (1) and the vibration-proof rubber (4) is elastically deformed, oil contained in the vibration-proof rubber (4) is reduced. A guide shoe, which is squeezed from the anti-vibration rubber (4) and supplied to the sliding surface (6) of the shoe (3).