JP2008142757A - Device and method for shape correction of slinging work wire rope - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a device and a method for shape correction of a slinging work wire rope, which can easily correct a deformed part of the slinging work wire rope by applying the principle of leverage at an action point by setting the slinging wire rope in a groove of a main body of the correction device. <P>SOLUTION: The device comprises the main body 1 which has a shape of lever with one end for the action point and the other end for a force point and has the channel shape groove along the extending direction, a rod hole 1d which is positioned on the opening side of the groove in the main body 1 and arranged as an open hole so as to be adjacent to the action point part of the main body 1, and a connection rod 1b detachably inserted in the rod hole 1d. The deformed part 2d of the wire rope 2 is set into the groove of the main body 1 so as to be positioned on the action point inside the connection rod 1b and corrected by the force applied on the force point. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an apparatus and a method for correcting a shape of a sling wire rope used in a main rope replacement work for an elevator, and in particular, a novel technique capable of easily correcting the shape of a deformed portion of a sling wire rope with one hand or both hands. It is about.

  Generally, sling wire ropes used in elevator main rope replacement work are deformed after use due to tension (load) at the time of use. Need to be corrected. Therefore, conventionally, when correcting the deformation of the wire rope, it has been common to use a wood hammer, a plastic hammer, or the like to correct the deformation while striking the deformed portion.

  However, since the operation of hitting the deformed portion as described above requires experience and cannot be easily corrected by a skilled person, a wire rope shape correcting device that also has a hydraulic cylinder has been proposed ( For example, see Patent Document 1).

  The conventional device described in Patent Document 1 performs shape correction in a state where tension is applied. However, in the case of a sling wire rope, since it is possible to confirm the shape deformation only in a state where no load is applied, even the conventional device described in Patent Document 1 is slung in a state where no tension is applied. The shape of the wire rope cannot be modified.

JP-A-5-169175

In the conventional staking wire rope shape correcting device, for example, when the technique described in Patent Document 1 is applied, the staking wire rope that is not tensioned is held by the holding action part, and the pressing part is moved back and forth by the hydraulic cylinder. Since this is not possible, there is a problem that the shape cannot be corrected by confirming the deformation of the slinging wire rope.
In particular, in the case of a sling wire rope, there is a high possibility that a deformed portion is continuously generated.

  The present invention has been made to solve the above-described problems, and is attached to the groove of the correction device body through a sling wire rope, and by using the lever principle, at the tip portion (working point portion). It is an object of the present invention to provide an apparatus and method for correcting the shape of a slinging wire rope that can easily modify the deformed portion of the slinging wire rope.

  A sling wire rope shape correcting device according to the present invention has a U-shaped groove along an extending direction, a lever-shaped main body having one end as an action point and the other end as a force point, and a groove in the main body A shaft hole penetratingly formed so as to be close to the action point portion of the main body, and a connecting shaft detachably inserted into the shaft hole, the deformed portion of the sling wire rope, It is configured to be mounted in the groove of the main body so as to be located at the action point portion inside the connecting shaft, and to be corrected by the force applied to the force point portion.

  The method of correcting the shape of the slinging wire rope according to the present invention includes a step of mounting the slinging wire rope in the groove of the main body and positioning the deformed portion of the slinging wire rope at the action point, a force point portion, and a slinging wire rope And a step of correcting the deformed portion by applying a force to the holding portion that is a part of the holding portion.

  According to this invention, the deformation | transformation part of a slinging wire rope can be easily corrected by mounting | wearing in the groove | channel of a correction apparatus main body through a slinging wire rope, and using a lever principle.

Embodiment 1 FIG.
FIG. 1 is a perspective view showing a main part of a sling wire rope shape correcting device (hereinafter also simply referred to as “correcting device”) according to Embodiment 1 of the present invention. 2 and 3 are a plan view and a side view, respectively, showing the correction device main body 1 of FIG. 1 and 2, only the central portion of the correction device main body 1 is shown, and in FIG. 3, both end portions of the correction device main body 1 are shown.

  1 to 3, the correction device main body 1 has a lever shape having a length of about several tens of centimeters with one end as an action point portion and the other end as a force point portion, and is connected through a connecting member 1 a. It consists of two parts (cross-section U-shaped). The two parts of the correction device main body 1 are pivotally attached to the connecting member 1a around the connecting shaft 1b inserted into the shaft hole 1d, and are rotatably connected to the connecting member 1a.

  A plurality of shaft holes 1d are formed so as to be positioned on the opening side of the groove of the correction device body 1, and a plurality of shaft holes 1d are arranged along the extending direction. Thereby, the connecting shaft 1b can be inserted into the arbitrary shaft hole 1d and assembled, and the effective length of the connecting member 1a can be variably set. Further, a plurality of shaft holes of the connecting member 1a may be formed. Here, a case where two connecting shafts 1b are formed is shown, but an arbitrary number of connecting shafts 1b can be formed as necessary.

  Further, as shown in FIG. 2, a hook portion for preventing the removal is formed at one end of the connecting shaft 1b, and a detachable prevention frame is attached to the other end. Further, as shown in FIG. 3, grip portions 1 c having a shape following the shape of both hands are formed at both ends (power point portions) of the correction device main body 1 so that the operator can easily operate.

  FIG. 4 is an enlarged cross-sectional view showing the shape of the correction device body 1, and a slinging wire rope (hereinafter also simply referred to as “wire rope”) 2 a is attached along the U-shaped groove of the correction device body 1. Indicates the state. In FIG. 4, a tapered portion 1 e is formed on the U-shaped inner wall of the correction device main body 1 so that the facing distance increases toward the opening side.

  That is, the correction device main body 1 has a substantially V-shaped groove formed by the taper portion 1e on the inner wall, whereby not only the wire rope 2a having a large outer diameter but also the wire rope 2b having a small outer diameter. Even if it is (see dotted line), it can be stored properly.

Next, a correction operation using the correction device body 1 according to the first embodiment of the present invention shown in FIGS. 1 to 4 will be described with reference to side views of FIGS.
5 and 6 sequentially show the operation procedure when the wire rope 2 requiring shape correction is mounted in the correction apparatus main body 1. FIG. In addition, the wire rope 2 in FIG. 5 and FIG. 6 is a general term for the wire ropes 2a and 2b in FIG.

  First, in FIG. 5, after the removable detachment prevention frame is removed, the connecting shaft 1 b is removed from the shaft hole 1 d to remove the connecting member 1 a, and the correcting device main body 1 is divided into two parts. The deformed wire rope 2 is mounted in the groove.

  At this time, the wire rope 2 is attached to the two portions of the correction device body 1 so that the deformed portion 2d of the wire rope 2 corresponds to the end portion (action point portion) of the correction device body 1, that is, the attachment position of the connecting member 1a. Installing. Subsequently, in FIG. 6, the connecting member 1 a is mounted, the connecting shaft 1 b is inserted into the shaft hole 1 d, the removal prevention frame is attached, and the correction device main body 1 is assembled integrally.

Hereinafter, the deformed portion 2d of the wire rope 2 can be corrected by grasping the grip portion 1c and rotating the correction device main body 1 in the directions of the broken arrow a and b.
At this time, the deformed portion 2d of the deformed wire rope 2 is operated so as to be bent in the reverse direction by the lever-shaped correcting device body 1 and corrected so as to be a straight line. For example, in the example shown in FIG. 6, the deformed portion 2 d of the wire rope 2 is corrected by applying a force in the direction of the broken arrow B.

  Further, when the deformation amount of the deformed portion 2d is small, by holding the part of the wire rope 2 with one hand and operating the correction device main body 1 with the other hand in the state of FIG. 5 where the connecting member 1a is not assembled. It can also be easily corrected.

  In addition, when the deformed portion 2d of the wire rope 2 is continuously present, after the deformed portion 2d is moved to the corresponding position of the connecting member 1a, similarly, the required direction of either one of the dashed arrows a and b The deformed portion 2d is corrected by rotating to. Thereby, the deformation | transformation part 2d of the wire rope 2 can be corrected sequentially and easily irrespective of the generation | occurrence | production number of the deformation | transformation part 2d.

  As described above, the slinging wire rope shape correcting device according to Embodiment 1 of the present invention has a U-shaped groove along the extending direction, and has one end as an action point portion and the other end as a force point portion. A lever-shaped main body 1, a shaft hole 1 d that is formed on the opening side of the groove of the main body 1 so as to be close to the action point of the main body, and a connection that is detachably inserted into the shaft hole 1 d And the deformed portion 2d of the wire rope 2 is mounted in the groove of the main body 1 so as to be located at the action point portion inside the connecting shaft 1b, and the force applied to the grip portion 1c (power point portion). It is comprised so that it may correct by.

  The main body 1 is composed of two parts of the same shape that are integrally connected, and the two parts of the main body 1 are connected to each other through a connecting member 1a locked by a connecting shaft 1b. The position of one end corresponding to the connecting member 1a is an action point part, the position of each other end (grip part 1c) is a force point part, and the wire rope 2 is each of two parts of the main body 1. It is installed in the groove.

Thereby, even if it is not an expert, only the bending operation which applies comparatively small force to the grip part 1c can correct the deformation | transformation part 2d easily.
In addition, the correction state can be confirmed by moving the wire rope 2 in the groove of the correction device main body 1.

  Further, since the taper portion 1e is provided on the inner wall of the groove of the main body 1 so that the facing distance increases toward the opening side of the groove, and the cross-sectional shape of the groove is substantially V-shaped, the wires having different outer diameters. Even the ropes 2a and 2b can be fitted and matched in the groove, and the wire rope 2 can be easily held.

  Further, since a plurality of shaft holes 1d are formed along the extending direction of the main body 1, depending on the difference in the outer diameter of the wire rope 2, by inserting the connecting shaft 1b, the deformed portion The substantial length of the connecting member 1a can be optimally set according to the shape and length of 2d.

  Further, in the method of correcting the shape of the slinging wire rope according to the first embodiment of the present invention, the connecting shaft 1b and the connecting member 1a are removed, and the wire rope 2 is mounted in the respective grooves of the two portions of the main body 1. A step of attaching the connecting shaft 1b and the connecting member 1a to position the deformed portion 2d of the wire rope 2 at the action point (corresponding portion of the connecting member 1a), and a force point portion of each of the two portions of the main body 1 ( And applying a force to the grip portion 1c) to correct the deformed portion 2d.

  Accordingly, when the shape of the wire rope 2 is corrected, the wire rope 2 is passed through the groove of the correction device main body 1, so that the wire rope 2 can be easily held.

Embodiment 2. FIG.
In the first embodiment, the case where the operator operates the correction device main body 1 with both hands has been described. However, when the outer diameter of the wire rope 2 is small, the correction can be performed with a small force. As shown in FIG. 9, you may operate by one hand using only one correction apparatus main body 1 of two parts.

  Hereinafter, the correction operation using the correction apparatus body 1 according to the second embodiment of the present invention will be described with reference to FIGS. 7 is a perspective view showing a correction device main body 1 according to Embodiment 2 of the present invention, FIG. 8 is a plan view showing a state in which the wire rope 2 is attached to the correction device main body 1 of FIG. 7, and FIG. It is a side view which shows the state of this correction apparatus main body 1 and the wire rope 2. FIG.

  First, as shown in FIG. 8, a wire rope 2 that requires correction is mounted in the groove of the correction device main body 1 shown in FIG. In this case, the connecting member 1a becomes unnecessary. Further, when the wire rope 2 is relatively short, it can be attached from one end of the wire rope 2, so that it is not necessary to remove the connecting shaft 1b, and it may remain attached.

  Subsequently, as shown in FIG. 9, the deformed portion 2 d of the wire rope 2 is positioned at the end (operation point) of the correction device main body 1, and the grip portion 1 c of the correction device main body 1 (see FIGS. 3 and 5). The deformed portion 2d is corrected by rotating it in the directions of the broken line arrows a and b while holding the holding part 2c (see the broken line frame) on the exposed side of the wire rope 2 with the other hand.

  In this way, the slinging wire rope shape correcting device according to Embodiment 2 of the present invention has a U-shaped groove along the extending direction, has one end as an action point portion, and the other end as a force point portion. A lever-shaped main body 1, a shaft hole 1 d that is formed on the opening side of the groove of the main body 1 so as to be close to the action point of the main body, and a connection that is detachably inserted into the shaft hole 1 d And the deformed portion 2d of the wire rope 2 is mounted in the groove of the main body 1 so as to be located at the action point portion inside the connecting shaft 1b, and the force applied to the grip portion 1c (power point portion). It is comprised so that it may correct by.

Moreover, the slinging wire rope shape correcting device according to Embodiment 2 of the present invention includes the step of mounting the wire rope 2 in the groove of the main body 1 and positioning the deformed portion 2d of the wire rope 2 at the point of action. And a step of applying a force to the force point portion and the holding portion 2c that is a part of the wire rope 2 to correct the deformed portion 2d.
Thus, even when only the lever-shaped one correction device body 1 is used, the same effects as described above can be achieved.

It is a perspective view which shows the principal part of the shape correction apparatus of the slinging wire rope which concerns on Embodiment 1 of this invention. It is a top view which shows the shape correction apparatus of the slinging wire rope of FIG. It is a side view which shows the shape correction apparatus of the slinging wire rope of FIG. It is sectional drawing which expands and shows the state which mounted | wore the slinging wire rope with the shape correction apparatus of the slinging wire rope of FIG. It is a side view for demonstrating correction operation | movement using the shape correction apparatus of the slinging wire rope of FIG. It is a side view for demonstrating correction operation | movement using the shape correction apparatus of the slinging wire rope of FIG. It is a perspective view which shows the principal part of the shape correction apparatus of the slinging wire rope which concerns on Embodiment 2 of this invention. It is a top view which shows the shape correction apparatus of the slinging wire rope of FIG. It is a side view for demonstrating correction operation | movement using the shape correction apparatus of the slinging wire rope of FIG.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Correction apparatus main body (Shape wire rope shape correction apparatus main body), 1a connection member, 1b connection shaft, 1c grip part, 1d shaft hole, 1e taper part, 2, 2a, 2b wire rope (catch wire rope), 2c holding Part, 2d deformation part.

Claims (6)

A lever-shaped main body having a U-shaped groove along the extending direction, one end as an action point, and the other end as a force point,
A shaft hole that is located on the opening side of the groove of the main body and is formed so as to be close to the action point of the main body;
A connecting shaft detachably inserted into the shaft hole,
The deformed portion of the sling wire rope is mounted in the groove of the main body so as to be positioned at the action point portion inside the connecting shaft, and is configured to be corrected by the force applied to the force point portion. A device for correcting the shape of a sling wire rope. The body consists of two parts of the same shape connected together,
The two parts of the body are
Are connected to each other via a connecting member locked by the connecting shaft,
The position of each end corresponding to the connecting member is the action point portion,
The position of each other end is the force point part,
The staking wire rope shape correcting device according to claim 1, wherein the staking wire rope is mounted in a groove in each of two portions of the main body.   2. A taper portion is provided on an inner wall of the groove of the main body so as to increase a facing interval toward the opening side of the groove, and the cross-sectional shape of the groove is substantially V-shaped. Or the shape correction apparatus of the slinging wire rope of Claim 2.   The staking wire rope shape correcting device according to any one of claims 1 to 3, wherein a plurality of the shaft holes are formed along an extending direction of the main body. A correction method using the sling wire rope shape correcting device according to claim 1 or claim 3 or claim 4,
Mounting the sling wire rope in the groove of the main body, and positioning the deformed portion of the sling wire rope at the action point portion;
A method of correcting a shape of a slinging wire rope, comprising: applying a force to the force point portion and a holding portion that is a part of the slinging wire rope to correct the deformed portion. A correction method using the sling wire rope shape correcting device according to any one of claims 2 to 4,
Removing the connecting shaft and the connecting member, and mounting the sling wire rope in respective grooves of the two parts of the main body;
Attaching the connecting shaft and the connecting member, and positioning the deformed portion of the sling wire rope at the action point; and
And a step of correcting the deformed portion by applying a force to each of the force points of the two portions of the main body.

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