JP2006151637A - Rope steadying device for elevator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a rope steadying device for an elevator, capable of reducing shock to secure safety even when a maintenance person collides with a rope steadying device while the car is lifted as the maintenance person is on top of the car during maintenance of the elevator. <P>SOLUTION: This device is provided with a steadying member 6 provided roughly horizontally between a lifting passage for an elevator car and a lifting passage for a counterweight 4 connected by a rope to the car for restricting swinging of the rope on the counterweight side. It is also provided with an installation member 61 provided close to one horizontal direction side part of the lifting passage for the counterweight to rotatably hold one end part of the steadying member, and a lock member 62 provided close to the other side part of the lifting passage of the counterweight roughly in the horizontal direction of the installation member to be normally capable of locking the other end part of the installation member. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an elevator rope steadying apparatus that can be preferably used particularly for a high-lift elevator.

  In the case of an elevator with a high head, the rope connecting the carriage and the counterweight tends to swing, and there is a problem that the rope may be damaged if it comes into contact with other equipment or structures. A mounting member mounted so as to face each other in the vicinity of the vertical movement path, a frame constructed between the mounting members at a predetermined distance from a counterweight that moves up and down as the elevator car moves up and down, and an outside of the frame. There is one provided with first and second elastic bodies that are doubly provided on the surface (see, for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2003-276965 (first page, FIG. 1)

  In the conventional apparatus constructed as described above, when the maintenance staff gets on the upper part of the car and raises or lowers the car during maintenance of the elevator, the maintenance person is sandwiched between the frame which is the steadying member and the car. There was a fear. In particular, it was difficult to escape if it was caught while raising the car, and there was a high risk of injury.

  The present invention has been made to solve the above-described problems of the prior art, and when a maintenance person moves up and down the car on the upper part of the car at the time of maintenance of the elevator, the maintenance person uses the rope steady rest device. The purpose of the present invention is to obtain an elevator rope steadying device that reduces the impact and improves safety even if it collides with the vehicle.

  An elevator steadying apparatus according to the present invention is provided in a substantially horizontal direction between a lift path of an elevator car and a lift path of a counterweight connected to the car by a rope, and the counterweight A mounting member that is provided in the vicinity of one side in the horizontal direction of the lifting / lowering path of the counterweight and rotatably holds one end of the steadying member. The fixing member is provided in the vicinity of the other side of the lifting / lowering path of the counterweight in the substantially horizontal direction, and is provided with a locking member that can normally lock the other end of the mounting member.

  In this invention, since the steady rest member is rotatably held, the steady rest member rotates even if the maintenance staff collides with the steady rest member when climbing up and down on the upper part of the car. , Can prevent accidents such as being caught or injured.

Embodiment 1 FIG.
FIGS. 1 to 3 illustrate an elevator steadying apparatus according to Embodiment 1 of the present invention. FIG. 1 is a plan sectional view showing an installed state, FIG. 2 is a front view, and FIG. FIG. In the figure, a car 2 provided to move up and down the elevator hoistway 1 is fixed to one end of the rope 3 and suspended from the upper part of the hoistway 1, and the other end side of the rope 3 is balanced. It is fixed to the weight 4. The central portion of the rope 3 is wound around a sheave 5 of a hoisting machine (not shown) provided at, for example, the uppermost portion of the hoistway 1, and the counterweight 4 is lowered when the car 2 is raised, for example. To be driven. The steady rest device 6 is disposed at one or two or more places in a predetermined portion in the vertical direction of the hoistway 1 according to the lift and the like, and a pair of opposing guide rails 8 for the counterweight 4 fixed to the hoistway wall 7. (Consisting of 8a and 8b) or a fixed part such as a rail bracket (not shown).

  The steady rest device 6 includes an attachment member 61 fixed to one guide rail 8a in the vicinity of one side portion of the lifting / lowering path 40 of the counterweight 4 and the other side portion of the lifting / lowering path 40 of the counterweight 4 in the horizontal direction. A locking member 62 fixed to the other guide rail 8b in the vicinity, one end of which is pivotally supported by a support shaft 61a provided on the mounting member 61, and the locking member 62 is supported at the other end. It is composed of a rod-shaped steadying member 63 having an engaging recess 63a that engages with a locking body 62a projecting from the top. The steadying member 63 is disposed so as to partition between the lifting path 20 of the car 2 and the lifting path 40 of the counterweight 4. Reference numeral 9 denotes a handrail for a maintenance person to grip when carrying out maintenance inspection on the upper part of the car 2. The same reference numerals denote the same or corresponding parts throughout the drawings.

  Next, the operation of the first embodiment configured as described above will be described. As shown by the solid line in FIG. 2, the steady rest member 63 is maintained substantially horizontal by engaging an engaging recess 63 a provided at the other end with a locking body 62 a protruding from the locking member 62. In addition, the rope 3 is prevented from shaking due to the operation of the elevator. When a maintenance person gets on the upper part of the car 2 and raises the car 2 during the maintenance inspection, a part of the body such as the head of the maintenance person collides with the steadying member 63 of the steadying device 6. Since the steady stop member 63 is pivotally supported by the support shaft 61a, it can be rotated upward around the support shaft 61a as shown by a one-dot chain line in FIG. .

  As described above, according to the first embodiment, the steady member 63 is held so as to be pivotable in the vertical direction, so that when the maintenance person goes up and down on the upper part of the car 2, Even if a collision occurs, the steadying member 63 pivots upward and jumps up, thereby preventing an accident that is pinched or injured.

Embodiment 2. FIG.
FIGS. 4A and 4B are views showing an elevator rope steadying device according to Embodiment 2 of the present invention, in which FIG. 4A is a perspective view showing a mounted state, and FIG. 4B is a perspective view showing a receiving portion of a locking member in detail. It is. As shown in the figure, in the second embodiment, the mounting member 61 is formed in an L shape, and the position of the supporting shaft 61a provided at the bent end portion in the car direction indicated by the arrow A is one guide rail. In addition to being provided close to the position 8a, a receiving portion 62b projecting in an L shape on the locking member 62 is also provided close to the other guide rail 8b, and the steadying member 63 is omitted in the center. It is formed to be bent in a U-shape or a convex shape on the side of the car that is running, and the locking portion 63b at the tip is formed in a flat shape. Further, the upper tip B of the receiving portion 62b is bent so as to spread outward and is formed so as to easily receive the locking portion 63b at the tip of the steadying member 63. Since other configurations are the same as those of the first embodiment, description thereof is omitted.

  In the second embodiment configured as described above, the same effect as in the first embodiment can be obtained, and the position of the support shaft 61a that supports the steady rest member 63 in the arrow A direction is the car 2. Since it is provided close to the guide rail 8 side far from the position, the risk of maintenance personnel hitting the mounting member 61 and the locking member 62 can be reduced. Further, since the upper tip B of the receiving portion 62b is spread outward, it is easy to receive the tip of the steady member 63, and even if it is raised by colliding with the steady member 63, the recovery is facilitated.

Embodiment 3 FIG.
FIG. 5 is a perspective view showing an elevator rope steadying apparatus according to Embodiment 3 of the present invention. As shown in the figure, in the third embodiment, the same mounting member 61 and locking member 62 as those in the first embodiment are used, and the side opposite to the engaging recess 63a of the steadying member 63 (see FIG. The right end) is extended longer outward than the position of the support shaft 61a, and a balance weight 10 is attached to the extended portion. Since other configurations are the same as those of the first embodiment, description thereof is omitted.

  In the third embodiment configured as described above, the same effects as those of the first embodiment can be obtained, and the balance weight 10 is attached to one end of the steady member 63, thereby preventing the steady state. When a maintenance staff collides with the member 63, the steadying member 63 is lifted with a light force, so that the impact caused by the collision can be reduced, and the effect of further reducing the risk of injury can be obtained.

Embodiment 4 FIG.
FIG. 6 is a perspective view showing an elevator rope steadying apparatus according to Embodiment 4 of the present invention. As shown in the figure, in the fourth embodiment, a tension spring 11 is used in place of the balance weight 10 shown in the third embodiment, and one end of the tension spring 11 is provided at an extension of the steadying member 63. The other end is engaged with an engagement hole 61c provided at the tip of an attachment seat 61b formed by extending the attachment member 61 downward. Further, a cushioning member 12 made of an elastic material such as rubber is molded below the steadying member 63. Since other configurations are the same as those of the first embodiment, description thereof is omitted.

  In the fourth embodiment configured as described above, when a person collides with the steadying member 63 when the car 1 is raised, the steadying member 63 is lifted with a light force, and the lower surface is made of rubber or the like. Since the shock absorbing member 12 is molded, the hitting is softened, the impact at the time of collision is reduced, and an unexpected injury can be prevented.

  In the description of the above embodiment, the steady rest member 63 is pivotally supported on the support shaft 61a provided on the attachment member 61, but can be rotated. However, the present invention is not necessarily limited to the structure that is supported on the support shaft. Absent. For example, it is the same even if a helical spring is projected in the horizontal direction, a rod-shaped steadying member is attached to the tip, and the steadying member is rotated in both the vertical direction by the spring elasticity of the helical spring. Can be expected.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional plan view showing an attachment state of an elevator rope steadying device according to Embodiment 1 of the present invention; It is a front view of the rope steadying apparatus of the elevator shown in FIG. It is a side view which shows typically the attachment state of the rope steadying apparatus of the elevator shown in FIG. It is a figure which shows the rope steadying apparatus of the elevator by Embodiment 2 of this invention, (a) is a perspective view which shows an attachment state, (b) is a perspective view which shows the receiving part of a latching member in detail. It is a perspective view which shows the rope steadying apparatus of the elevator by Embodiment 3 of this invention. It is a perspective view which shows the rope steadying apparatus of the elevator by Embodiment 4 of this invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Hoistway, 2 Passenger car, 20 Passenger car lift path, 3 Rope, 4 Balance weight, 40 Balance weight lift path, 5 Sheave, 6 Stabilizer, 61 Mounting member, 61a Support shaft, 61b Mounting seat, 61c Locking hole, 62 Locking member, 62a Locking body, 62b Receiving part, 63 Stabilizing member, 63a Engaging recess, 63b Locking part, 63c Locking hole, 7 Hoistway wall, 8, 8a, 8b Guide Rail, 9 handrail, 10 weight, 11 tension spring, 12 cushioning member.

Claims (6)

  An anti-sway member that is provided in a substantially horizontal direction between the elevator car's elevator path and the counterweight's elevator path connected to the car by a rope, and suppresses the rope swing on the counterweight side. A mounting member provided in the vicinity of one side in the horizontal direction of the lifting path of the counterweight and rotatably holding one end of the steadying member, and the balance of the mounting member in the substantially horizontal direction. An elevator rope steadying device, comprising: a locking member provided in the vicinity of the other side of the lifting path of the weight and capable of normally locking the other end of the mounting member.   The mounting member is fixed to one of a pair of guide rails that guide the counterweight, and has a support shaft that pivotally supports one end of the steadying member on the side of the car, and the locking member is the pair of locking rails. 2. The elevator rope steadying according to claim 1, further comprising a receiving portion that is fixed to the other of the guide rails and that latches the other end of the steadying member on the car side. apparatus.   3. The elevator according to claim 2, wherein the steadying member is formed in a bar shape, and a central portion thereof is bent so as to protrude toward the car from the position of the support shaft and the receiving portion. Rope steady rest device.   The weight for balancing the mass with the other end when the steady member is attached to the support shaft of the mounting member is attached to one end of the steady member. The elevator rope steadying device according to claim 3.   A tension spring for balancing the mass with the other end when the steady member is attached to the support shaft of the mounting member is attached between the one end and the fixed portion of the steady member. The elevator rope steadying apparatus according to claim 2 or claim 3, wherein   6. The elevator rope steadying device according to any one of claims 1 to 5, wherein the steadying member is provided with a buffer member for reducing an impact at a central portion.

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