JP2006347708A - Guide shoe device for elevator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain a guide shoe device for an elevator without an article affixed to a rail, capable of notifying wear by change of only a shoe member. <P>SOLUTION: The guide shoe device for an elevator has a guide rail fixed to a predetermined fixing location in an elevator hoistway, an elevating body for elevating along the guide rail, and the shoe 1a slidingly engaging with the guide rail, and guides the movement of the elevating body. A thin part is formed by providing cutout parts 3a, 3b, and 3c on a back face side of a sliding face of the shoe 1a, and when the sliding face side of the shoe 1a has a certain amount of wear, the shoe 1a is made to be divided. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an elevator guide shoe device.

  In a conventional elevator guide shoe device, the shoe sliding with the guide rail is worn, and as the wear progresses, a gap is generated between the guide rail and the shoe, and the positional relationship between the elevator car and the guide rail deteriorates. The ride comfort of the car deteriorates. For this reason, it is necessary to replace the shoe when it wears a certain amount. As a guide shoe device for notifying the replacement time, a hollow portion filled with an adhesive material is formed inside the shoe, and the adhesive material adheres to the guide rail according to the wear of the shoe, and between the guide rail and the shoe. There has been proposed a method for detecting wear of a shoe by increasing resistance and generating a sliding sound between the guide rail and the shoe (see, for example, Patent Document 1).

JP 2004-123333 A

  In the conventional elevator guide shoe device, when the shoe wears and it is time to replace it, the adhesive material sticks to the guide rail, so the sliding noise, vibration noise, and resistance due to the adhesive material during constant running increase and the ride comfort However, there is a problem that it is uneconomical because power consumption increases due to adhesive resistance. In addition, it takes time to remove the adhesive material adhered to the guide rail after replacing the shoe, and there is a problem that the adhesive material is required and the cost is increased.

  The present invention has been made to solve the above-described problems, and there is no influence on sliding noise, vibration noise and riding comfort at a constant traveling time, and there is no sticking material to the guide rail, and an elevator capable of providing wear notification is provided. A guide shoe device is obtained.

  In the elevator guide shoe device according to the present invention, the guide rail fixed at a predetermined position of the elevator hoistway, the elevating body elevating along the guide rail, the elevating body fixed to the elevating body side, and slidingly engaged with the guide rail When the sliding surface of the shoe wears a certain amount, a shoe is formed by providing a notch on the back side of the sliding surface of the shoe. Is configured to be divided.

  According to the present invention, when the shoe is worn by a certain amount, it is possible to notify the replacement time of the shoe. Moreover, there is no sticking thing with respect to a guide rail, and the wear notification is enabled by changing the shoe alone with respect to the conventional guide shoe device.

Embodiment 1 FIG.
1 is a front view showing a guide shoe according to Embodiment 1 of the present invention, FIG. 2 is a cross-sectional view taken along the line AA ′ of FIG. 1 showing the relationship between the guide shoe and the guide rail, and FIG. 3 is a guide shoe replacement. FIG. 4 is a view corresponding to FIG. 1 showing the timing, FIG. 4 is a view corresponding to FIG. 2 showing the replacement time of the guide shoe, and FIG. 5 is a perspective view showing the shoe of the guide shoe.
The guide shoe 1 is composed of a shoe 1a, a shoe holder 5, and shoe holders 6a and 6b, and is mounted on a hoistway on a car frame for suspending an elevator car (not shown) and a balance weight (not shown) of the elevator car. Opposing and sliding along the guide rail 4 built in the hoistway, the elevator car and the counterweight are guided in the vertical direction.
The shoe 1a is integrated and long in the vertical direction, has a U-shaped cross section and a portion located on each side, and the U-shaped inner wall surface is a sliding slide engaging with the guide rail 4. It is a moving surface. The outer wall surface side of the shoe 1a is fitted into a shoe holder 5, and is fixed by shoe holders 6a and 6b so that the shoe 1a does not come off in the sliding direction.
The shoe 1a has a concave notch 3a extending over the entire circumference in the lateral direction at the center of the longitudinal direction on the back side of the sliding surface, and a connecting portion between the head sides of both sides with the same depth as this notch. Concave notches 3b and 3c extending in the vertical direction over the entire region are provided. Thus, the sliding surface portion of the shoe 1a is configured such that the longitudinal center portion thereof is a thinner portion than the thickness of the upper and lower portions sandwiching the center portion. Similarly, the corresponding portions of the notches 3b and 3c are also thin portions (see FIG. 5).

In the guide shoe 1 configured as described above, a state in which the shoe 1a is worn by a certain amount and the replacement time is reached will be described with reference to FIGS.
When using the elevator, if the sliding surface on either side of the shoe 1a wears a certain amount due to friction with the guide rail 4, the thin portion of the sliding surface disappears, and the sliding surface is a notch on the back side. It reaches the bottom of 3a and 3b or 3c, and divides the shoe 1a (the notch 3b side in FIGS. 3 and 4).
For example, according to FIG. 3 and FIG. 4, the shoe 1a is divided into three shoes 1b, 1c, 1d by notches 3a, 3b, and a gap corresponding to the width of the notch 3a is formed between the shoes 1c, 1d divided vertically. Occurs. As a result, the shoe 1c or 1d moves in the sliding direction in the shoe holder 5 during the reversing of the elevator and collides with the other shoe or the shoe pressers 6a and 6b to generate a collision sound.
The depths of the notches 3a, 3b and 3c are adjusted so as to be divided when the shoe 1a is worn to the limit for replacement.
In addition, it may be possible to reduce the strength of the shoe by creating a notch on the back of the shoe, but as a countermeasure against this, only the shoe that is considered to progress quickly (a shoe that receives a strong load from the cage) is notched. It is good also as a structure which makes a part.

  As a result, when an operator travels in the car or on the car ceiling during elevator maintenance inspection, it is possible to confirm the occurrence of a collision sound and know the replacement time of the shoe 1a.

  It is also possible to replace the shoe without removing the shoe from the shoe holder 5 at the time of maintenance and checking that the shoe is shortened or moving up and down during reverse running. .

Embodiment 2. FIG.
6 is a front view showing a guide shoe according to Embodiment 2 of the present invention, FIG. 7 is a sectional view taken along the line BB ′ of FIG. 1 showing the relationship between the guide shoe and the guide rail, and FIG. 8 is a guide shoe replacement. 6 is a view corresponding to FIG. 6, FIG. 9 is a view corresponding to FIG. 7 illustrating the replacement time of the guide shoe, and FIG. 10 is a perspective view illustrating the shoe of the guide shoe. In addition, since the same symbol is attached | subjected to the same part as Embodiment 1, or an equivalent part, description is abbreviate | omitted.
The shoes 2a, 2b and 2c are each in the shape of a plate that is long in the vertical direction, and are combined so that the shoes 2a, 2b are located on both sides and the shoe 2c is located on the head, respectively, and the cross section is a U-shaped three-part type The U-shaped inner wall surface is a sliding surface that is slidably engaged with the rail 4. The shoe holder 5 has a structure in which the combined shoes 2a, 2b and 2c are fitted and fixed by shoe pressers 6a and 6b so that the shoes 2a, 2b and 2c do not come out in the sliding direction.
The shoes 2a, 2b and 2c are provided with concave cutouts 3d, 3e and 3f extending in the lateral direction at the center in the longitudinal direction on the back side of the sliding surface. As a result, the sliding surface portions of the shoes 2a, 2b and 2c are configured such that the center portion in the vertical direction is a thinner portion than the thickness of the upper and lower portions sandwiching the center portion. The shoe 2c is further provided with concave cutouts 3g and 3h on the side of the central portion in the longitudinal direction, and the depth thereof is equal to the thickness of the shoes 2a and 2b. (See Figure 10).

A state in which one of the shoes 2a, 2b, or 2c is worn by a certain amount in the guide shoe 2 configured as described above and the replacement time has come will be described with reference to FIGS.
When using the elevator, if the sliding surface of either shoe 2a, 2b or 2c wears a certain amount due to friction with the rail 4, the sliding surface part will disappear, and the sliding surface will have a notch 3d provided on the back side, It reaches the bottom of 3e or 3f, thereby dividing the shoe 2a, 2b or 2c vertically (in FIG. 8 and FIG. 9, the shoe 2a, the notch 3d).
For example, according to FIGS. 8 and 9, the shoe 2a is divided into upper and lower parts by a notch 3d to become shoes 2d and 2e, and a gap corresponding to the width of the notch 3d is formed between each. As a result, the shoe 2d or 2e moves in the sliding direction in the shoe holder 5 during the elevator reversal running and collides with the other shoe or shoe presser 6a, 6b, and a collision sound is generated.
The depths of the notches 3d, 3e and 3f are adjusted so as to be divided when the shoes 2a, 2b and 2c are worn to the limit of replacement.
In addition, there is a possibility that the strength of the shoe may be weakened by making a notch in the shoe, but as a countermeasure against this, only the shoe that is considered to progress wear quickly (a shoe that receives a strong load from the cage) is used. It is good also as a structure to make.

  As a result, the same effects as in the first embodiment can be obtained, and the notch can be easily created because the shoe when not in use can be divided into a plate shape. In addition, even when an uneven load is applied to a place located on the head side and wear occurs, the shoe is divided and the shoe replacement time can be known.

FIG. 2 is a front view showing a guide shoe in Embodiment 1 of the present invention. FIG. 2 is a cross-sectional view taken along the line AA ′ of FIG. FIG. 2 is a view corresponding to FIG. FIG. 3 is a view corresponding to FIG. 1 is a perspective view showing a shoe in Embodiment 1 of the present invention. FIG. 6 is a front view showing a guide shoe in Embodiment 2 of the present invention. FIG. 7 is a cross-sectional view taken along the line BB ′ of FIG. 6 showing a relationship in which a guide shoe and a rail are engaged. FIG. 7 is a view corresponding to FIG. FIG. 8 is a view corresponding to FIG. FIG. 6 is a perspective view showing a shoe according to Embodiment 2 of the present invention.

Explanation of symbols

1, 2 guide shoes, 1a Integrated shoe, 1b, 1c, 1d, 2d, 2e Wear split shoe,
2a, 2b, 2c Tripartite shoe, 3a, 3b, 3c, 3d, 3e, 3f, 3g, 3h Notch, 4 Guide rail, 5 Shoe holder, 6a, 6b Shoe holder,

Claims (4)

A guide rail fixed at a predetermined position of the elevator hoistway;
A lifting body that moves up and down along the guide rail;
In an elevator guide shoe device that is fixed to the lifting body side and has a shoe that slidingly engages the guide rail, and guides the movement of the lifting body,
An elevator characterized in that a thin portion is formed by providing a notch on the back side of the sliding surface of the shoe, and the shoe is divided when the sliding surface side of the shoe wears a certain amount. Guide shoe device.   2. The guide shoe device for an elevator according to claim 1, wherein the notch for forming the thin portion divides the shoe into upper and lower parts when the shoe is worn by a certain amount.   The shoe has a U-shaped cross-section, and the inner wall surface of the U-shape is a sliding surface that is slidably engaged with the guide rail. The shoe is accommodated in the shoe holder, and the upper and lower portions of the shoe are above and below the shoe holder. 3. The elevator guide shoe device according to claim 1, wherein the guide shoe device is fixed by a shoe press provided on the elevator. The shoe is a U-shaped member in which members on both sides and the head side are divided into three parts, and the inner wall surface of the U-shape is a sliding surface that is slidably engaged with the fixing member, and the shoe is a shoe holder 3. The elevator guide shoe device according to claim 1, wherein the shoe is housed in an upper and lower part of the shoe and fixed by shoe pressers provided on upper and lower portions of the shoe holder.

Images