JP2010064810A - Guide rail for elevator and emergency stop device for elevator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a guide rail for an elevator capable of suppressing the peeling of a resin member from guide rail members even when the temperatures of the guide rail members and the resin member are changed. <P>SOLUTION: This guide rail for an elevator includes the plurality of guide rail members 4 of a T-shape in cross section in which the guide members are stacked on a straight line, a butt strap 6 brought into surface-contact with the guide rail members 4, fastening means 7 for fastening and fixing the guide rail members 4 and the butt strap 6, and the resin member 5 which covers the guide rail members 4. In the guide rail member 4, all the surfaces excluding the end surfaces facing each other, the area brought into surface-contact with the butt strap 6, and the area brought into surface-contact with the fastening means 7 are covered with the resin member 5. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an elevator guide rail that includes a guide rail member and a resin member that covers the guide rail member, and an elevator emergency stop device that stops a car by being in pressure contact with the elevator guide rail.

  Conventionally, there are legs fixed in parallel to the side wall of the hoistway, a blade provided perpendicularly from the legs, and a roller on which a roller attached to the car rolls, and a neck connecting the leg and the blade. There has been known an elevator guide rail including a guide rail member having a T-shaped cross section and a resin member that covers only the blade portion of the guide rail member (see, for example, Patent Document 1).

Japanese Utility Model Publication No. 51-87868

  However, in this case, due to the difference in thermal expansion coefficient between the guide rail member and the resin member, the temperature of the guide rail member and the resin member changes, so that the end of the resin member on the neck side and the guide rail member are There was a problem that the resin member peeled off from the guide rail member due to the stress acting in the direction in which the two slip.

An object of the present invention is to solve the above-described problems. The purpose of the present invention is to remove the resin member from the guide rail member when the temperature of the guide rail member and the resin member changes. The present invention provides an elevator guide rail that can suppress the occurrence of such a situation.
In addition, the present invention provides an emergency stop device for an elevator that stops the car by being pressed against the guide rail for the elevator.

  An elevator guide rail according to the present invention includes a plurality of guide rail members each having a T-shaped cross-section, each of which is vertically aligned on a straight line, a contacted member that is in surface contact with the guide rail member, The guide rail member includes a resin member that covers the entire surface except for the end surfaces facing each other and a region in surface contact with the contacted member.

  An elevator safety device according to the present invention is provided along the elevator guide rail, and includes a stop portion whose lower side is separated from the elevator guide rail from the upper side, the elevator guide rail, and the stop portion. A movable wedge is formed between the resin member of the elevator guide rail and the stop portion so as to come into surface contact with the resin member. A movable piece main body, and an extension portion that is integrally extended to the movable piece main body along the elevator guide rail and that is in surface contact with the resin member together with the movable piece main body. have.

  According to the elevator guide rail according to the present invention, the guide rail member is covered with the resin member on the entire surface except for the end faces facing each other and the area in surface contact with the contacted member. When the temperature of the resin member changes, the resin member can be prevented from peeling off from the guide rail member.

  The elevator safety device according to the present invention further includes a movable piece that comes into surface contact with the resin member of the elevator guide rail. The movable piece faces the resin member together with the movable piece main body and the movable piece main body. And the extension piece that comes into contact with the resin, it is possible to prevent the resin member from peeling off from the guide rail member when the temperature of the guide rail member and the resin member changes, and the movable piece comes into surface contact with the resin member. When it does, it can suppress that a resin member peels from a guide rail member.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the drawings, the same or corresponding members and parts will be described with the same reference numerals.
Embodiment 1 FIG.
FIG. 1 is a plan sectional view showing a main part of an elevator to which an elevator guide rail 1 according to this embodiment is attached.
The elevator guide rail 1 according to this embodiment is erected in the vertical direction along the side wall of the hoistway 2, and a pair of rollers 3 a attached to a car 3 that moves up and down in the hoistway 2 is provided in the elevator. The car 3 is guided to the elevator guide rail 1 by rolling on the guide rail 1.
Not only the elevator guide rail 1 for guiding the car 3 but also an elevator guide rail for guiding the counterweight.
Further, the guide rail 1 is not limited to the elevator guide rail 1 on which the roller 3a rolls, and may be an elevator guide rail on which a guide shoe attached to the car 3 can slide.

2 is a plan sectional view showing the elevator guide rail 1 shown in FIG. 1, FIG. 3 is a perspective view showing the elevator guide rail 1 shown in FIG. 1, and FIG. 4A is a plan view showing the elevator guide rail 1 shown in FIG. FIG. 4 and FIG. 4B are front views showing the elevator guide rail 1 of FIG.
The elevator guide rail 1 includes a plurality of guide rail members 4 each having a T-shaped cross section that are superimposed on each other, and a resin member that covers the guide rail members 4 by coating the guide rail members 4. And 5.
The resin member 5 is not limited to coating, and may be vacuum-bonded or bonded.
Thereby, it can suppress that the whole guide rail member 4 rusts.
Further, since it is not necessary to separately coat the rust preventive oil and the coloring material in the manufacturing process of the guide rail member 4, the manufacturing efficiency can be improved, and the rust preventive oil needs to be removed in the installation process. Therefore, installation efficiency can be improved.
The guide rail member 4 is made of steel.
The resin member 5 is made of high molecular polyethylene which is a thermoplastic member.
The guide rail member 4 and the resin member 5 are not limited to these, and may be made of other materials.
The guide rail member 4 includes a leg portion 4a having a flat plate shape parallel to the side wall of the hoistway 2, and a blade portion 4b provided in a direction orthogonal to the center portion of the leg portion 4a and capable of rolling the roller 3a. And a neck portion 4c connecting the blade portion 4b and the leg portion 4a.
A rail coupling groove 4d along the longitudinal direction of the blade portion 4b is formed on the upper end surface of the guide rail member 4, and a rail coupling groove engaging with the rail coupling groove 4d is formed on the lower end surface of the guide rail member 4. A protruding portion 4e is formed.

The elevator guide rail 1 is connected to the eye plate 6 that is a contacted member that is in surface contact with the back surface of each leg portion 4 a of the adjacent guide rail member 4, and the guide rail member 4 and the eye plate 6. Fastening means 7 is provided, which is a member to be contacted and fastened by fastening guide rail member 4 and eye plate 6.
Each guide rail member 4 is covered with a resin member 5 on the entire surface except for the end faces facing each other, the area in surface contact with the eye plate 6, and the area in surface contact with the fastening means 7.
The resin member 5 has a through hole through which the fastening means 7 passes.
The contacted member is not limited to both the eye plate 6 and the fastening means 7, and may be either one or a member other than the eye plate 6 and the fastening means 7.
In this case, the region of the guide rail member 4 in contact with the contacted member is not covered with the resin member 5, and the guide rail member 4 and the contacted member are in surface contact.

FIG. 5 is a plan view showing the elevator guide rail 1 of FIG. 1 and fixing means 8 for fixing the elevator guide rail 1 to the hoistway 2.
The elevator guide rail 1 includes a fixing means 8 provided in the hoistway 2 for fixing the guide rail member 4 to the hoistway 2.
The fixing means 8 includes a rail bracket 9 fixed to the hoistway 2 and a leg 4a of the elevator guide rail 1 fixed to the rail bracket 9 via a fastening means 10 from both sides via a resin member 5. It has a pair of holding plates 11 gripped.

6A is a longitudinal sectional view showing the elevator guide rail 1 when the centers of the adjacent guide rail members 4 are shifted from each other, and FIG. 6B is a partial view of the resin member 5 of FIG. It is a longitudinal cross-sectional view which shows the guide rail 1 for the cut elevator.
When the centers of the adjacent guide rail members 4 are shifted from each other in the left-right direction due to manufacturing errors of the guide rail members 4, a step is generated between the outer peripheral portions of the adjacent resin members 5.
In order to reduce this level difference, conventionally, the steel guide rail member 4 was directly cut, whereas the elevator guide rail 1 cuts the resin member 5 softer than the guide rail member 4. The level | step difference between the outer peripheral parts of the adjacent resin member 5 can be reduced easily.
By reducing the level difference, the roller 3a can smoothly roll the elevator guide rail 1.

FIG. 7 is a longitudinal sectional view showing an elevator guide rail 1 formed by integrally heating adjacent resin members 5.
In the state where the end surfaces of the adjacent guide rail members 4 are brought into contact with each other and fixed using the eyeplate 6 and the fastening means 7, the resin members 5 covering the outer peripheral surfaces of the end portions of the respective guide rail members 4 are Although they are in contact but not bonded, the adjacent resin members 5 may be separated from each other and the resin member 5 may be peeled off from the guide rail member 4.
By heating each of the adjacent resin members 5 so as to be integrated with each other, it is possible to prevent the resin members 5 from being peeled off from the guide rail member 4 by adhering between the adjacent resin members 5.
In addition, like the elevator guide rail 1 shown in FIG. 6, when there is a step between the outer peripheral portions of the adjacent resin members 5, after cutting and reducing the step, the respective resin members 5 are It may be integrated by heating.

  As described above, according to the elevator guide rail 1 according to this embodiment, the guide rail member 4 is in surface contact with the end surfaces facing each other, the area in surface contact with the eye plate 6, and the fastening means 7. Since the entire surface excluding the region is covered with the resin member 5, the resin member 5 is peeled off from the guide rail member 4 even when the temperature of the guide rail member 4 and the resin member 5 changes. Can be suppressed.

  Further, since the region of the guide rail member 4 that is in surface contact with the eye plate 6 is not covered with the resin member 5, the eye plate 6 and the guide rail member 4 can be brought into direct contact with each other, and the adjacent guide rail member 4 can be contacted. The space can be firmly fixed.

  Further, since the region of the guide rail member 4 in surface contact with the fastening means 7 is not covered with the resin member 5, the eye plate 6 and the guide rail member 4 can be fastened and firmly fixed.

  Further, the resin member 5 covering the outer peripheral surface of the end portion of the guide rail member is softened by being heated, and is integrated with the resin member 5 covering the outer peripheral surface of the end portion of the adjacent guide rail member. Since it is comprised from the plastic resin, between the adjacent resin members 5 can be adhere | attached.

  Since the fixing means 8 holds the guide rail member 4 via the resin member 5, the impact generated when the roller 3a rolls between the adjacent guide rail members 4 can be reduced. Can be reduced.

Embodiment 2. FIG.
FIG. 8 is a front view showing the elevator safety device according to this embodiment.
The elevator safety device according to this embodiment stops the car 3 by being pressed against the elevator guide rail 1 described in the first embodiment, and the elevator along the elevator guide rail 1 3 is provided with a clamp 12 which is a stop fixed to 3, and a rail contact 13 which is a movable piece provided between the elevator guide rail 1 and the clamp 12.
The lower end 12 is spaced apart from the elevator guide rail 1 from the upper side.
The per rail 13 is made of a high molecular weight polyethylene that is not in close contact with the resin member 5, and is formed in a wedge shape with a lower side from the upper side.
Note that the per rail 13 is not limited to high molecular polyethylene, but may be other materials.
The car 3 is provided with support means (not shown) for supporting the rail 13 so as to be movable upward, and the rail 13 moves upward, so that the resin member 5 of the elevator guide rail 1 and 13 between the rails between the gripping metal 12 and the resin member 5 in surface contact.

The rail contact 13 includes a rail contact main body portion 13a that is a movable piece main body and an extension portion 13b that extends integrally below the rail contact main body portion 13a along the elevator guide rail 1.
When the rail contact 13 bites between the clamp 12 and the resin member 5, the extension portion 13 b comes into surface contact with the resin member 5 together with the rail main body portion 13 a, so that the resin member comes into surface contact with the rail contact 13. 5 increases, the pressure acting on the contact surface of the resin member 5 is reduced.

FIG. 9 is an enlarged view showing 13 per rail of FIG.
The per-rail 13 is curved so that the lower end portion in surface contact with the resin member 5 is separated from the contact surface of the resin member 5.

  According to the emergency stop device for an elevator according to this embodiment, the rail member 13 that is in surface contact with the elevator guide rail 1 is provided, and the resin member 5 that is in surface contact with the rail member 13 is provided by the extension portion 13b of the rail member 13. Therefore, even if the temperature of the guide rail member 4 and the resin member 5 changes, it is possible to prevent the resin member 5 from peeling off from the guide rail member 4 and It is possible to prevent the resin member 5 from being peeled off from the guide rail member 4 due to the surface contact of 13 with the resin member 5.

  Further, since the lower end portion that comes into surface contact with the resin member 5 is curved so as to be separated from the contact surface of the resin member 5, the rail contact 13 is provided between the gripper 12 and the resin member 5. When biting in, the lower end portion of 13 per rail can be prevented from biting into the resin member 5.

BRIEF DESCRIPTION OF THE DRAWINGS It is a plane sectional view which shows the principal part of the elevator with which the elevator guide rail which concerns on Embodiment 1 of this invention was attached. It is a plane sectional view which shows the guide rail for elevators of FIG. It is a perspective view which shows the guide rail for elevators of FIG. 4A is a plan view showing the elevator guide rail of FIG. 3, and FIG. 4B is a front view of the elevator guide rail of FIG. It is a top view which shows the guide rail for elevators of FIG. 1, and the fixing means which fixes this elevator guide rail to a hoistway. 6A is a longitudinal sectional view showing an elevator guide rail when the centers of adjacent guide rail members are shifted from each other, and FIG. 6B is an elevator in which a part of the resin member in FIG. 6A is cut. It is a longitudinal cross-sectional view which shows a guide rail. It is a longitudinal cross-sectional view which shows the guide rail for elevators which heated the adjacent resin member and was shape | molded integrally. It is a front view which shows the emergency stop apparatus for elevators concerning Embodiment 2 of this invention. FIG. 9 is an enlarged view showing a rail hit in FIG. 8.

Explanation of symbols

  1 Elevator guide rail, 2 hoistway, 3 car, 3a roller, 4 guide rail member, 4a leg, 4b blade, 4c neck, 4d rail coupling groove, 4e rail coupling protrusion, 5 resin member, 6 Eye plate (contacted member), 7 Fastening means (contacted member), 8 Fixing means, 9 Rail bracket, 10 Fastening means, 11 Holding plate, 12 Foot (stop part), 13 Per rail (movable piece), 13a Body part per rail, 13b extension.

Claims (7)

A plurality of guide rail members each having a T-shaped cross section, each of which is stacked in a vertical direction on a straight line;
A contacted member in surface contact with the guide rail member;
A guide rail for an elevator, comprising: an end surface of each of the guide rail members facing each other; and a resin member covering an entire surface except for a region in surface contact with the contacted member.   2. The elevator guide rail according to claim 1, wherein the contacted member is a plate provided in contact with each of the adjacent guide rail members.   The said contacted member is a fastening means fixed by fastening the eyeplate provided over each of the said adjacent guide rail members, and each said guide rail member. Guide rails for elevators.   The resin member that covers the outer peripheral surface of the end portion of the guide rail member is softened by heating and is integrated with the resin member that covers the outer peripheral surface of the end portion of the adjacent guide rail member. The elevator guide rail according to any one of claims 1 to 3, wherein the guide rail is made of a plastic resin.   5. The apparatus according to claim 1, further comprising a fixing unit that grips the guide rail member via the resin member and fixes the guide rail member to the hoistway. Guide rails for elevators. An elevator emergency stop device that stops a car by being pressed against the elevator guide rail according to any one of claims 1 to 5,
A stop portion provided along the guide rail for the elevator, the lower side being separated from the guide rail for the elevator from the upper side;
Provided between the elevator guide rail and the stop portion, the lower side from the upper side is formed in a thick wedge shape, and moves upward so that the resin member of the elevator guide rail and the stop portion A movable piece that bites in between and comes into surface contact with the resin member;
The movable piece includes a movable piece main body and an extension portion that is integrally extended to the movable piece main body along the elevator guide rail and that is in surface contact with the resin member together with the movable piece main body. An emergency stop device for an elevator.   The elevator emergency stop device according to claim 6, wherein the movable piece is curved so that a lower end portion in surface contact with the resin member is separated from a contact surface of the resin member.

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