JP2002346940A - Rope strand bending tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a rope strand bending tool enabling a worker to easily bend a rope strand, and capable of easily conducting rope end processing while saving labor. SOLUTION: This rope strand bending tool comprises a plier mechanism 3 structured by making a pair of members intersect each other and pivotally fixing an intersecting portion thereof, and a pair of strand gripping portions 4 provided at opposite parts of first ends of the members 1 and capable of gripping a rope strand S.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rope strand bending jig and a bending method for bending the strands of an elevator main rope and a compensating rope.

[0002]

2. Description of the Related Art As shown in FIGS. 7 (a) and 7 (b), conventional terminal treatment of elevator main ropes and compensating ropes uses a commercially available pliers or pliers, sandwiching the tip end of a rope strand S. He turned his wrist and bent the strand S. Furthermore, the bent portion is sandwiched from the outside, and the bent portion S is bent so that the bent strand S does not open.

[0003] In addition, since the compensating rope has a different core material, it is difficult to form a habit even when the strand S is bent, and it is very difficult to insert the compensating rope into the rope socket.
It is necessary to maintain the bent state. At this time, while holding the state in which the strand S is bent with one hand, wind the wire with the other hand and forcibly squeeze it, or work with two people, hold the state in which one person bent, and A person was winding a wire.

A rope bending jig is disclosed in Japanese Unexamined Patent Publication No.
There is one described in JP-A-13442,
The first and second levers that support the rope are gripped by one hand, and the rope is bent by rotating the third lever toward the first and second levers with the other hand.

[0005]

However, in the conventional operation using commercially available pliers or pliers, since the end of the strand is sandwiched and the wrist is bent back, labor is required and a skilled technique is required. Was. In addition, when the rope diameter became large, the work became more difficult, and the work was performed by two people.

The jig described in Japanese Patent Application Laid-Open No. Hei 7-113442 firstly performs an operation of gripping a strand with an upper die and a lower die, and then performs a bending die while holding the strand. Is operated, and two behaviors are required to bend the strand in this way.

Further, the bent strand tends to return to its original open state due to plastic deformation. Particularly, when a strand having a strong core material is bent, the once bent strand is prevented from opening. It is necessary to perform a sheathing operation. Conventionally, in order to perform this sheathing operation, it was necessary for an operator to hold the strand by hand so as not to open. Even when the jig described in JP-A-7-113442 is used, the hand cannot be released from the jig in a state where the strand is bent.

In the jig described in Japanese Patent Application Laid-Open No. Hei 7-113442, since the bending die is closed in the direction of the root of the strand, other strands may interfere with the bending die and its lever. There is also.

The present invention has been made in view of the above-mentioned circumstances, and enables a single worker to easily bend a rope strand, thereby saving labor and easily performing a rope terminal processing operation. It is an object of the present invention to provide a rope strand bending jig and a bending method which can be performed.

[0010]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a rope strand bending jig according to the present invention comprises a plier mechanism having a pair of members crossed and the crossing portion pivotally connected thereto, And a pair of strand grippers provided at opposite ends of the one end and capable of gripping the rope strand.

[0011] Preferably, the strand gripping portion includes a first strand formed along a longitudinal direction of the member for gripping the rope strand along a length direction thereof.
And a second groove formed in a direction perpendicular to the first groove to grip the rope strand along a direction perpendicular to the length direction thereof.

Preferably, in a state in which the pliers mechanism is closed and the distal ends of the members are closest to each other, the pair of strand grips are substantially parallel to each other and gripped by the pair of strand grips. A gap is formed between the bent rope strands.

Preferably, the pair of members are pivotally attached to each other by a support shaft provided at an intersection thereof, and the pair of strand gripping portions and the support shaft in a state where the pliers mechanism is closed are provided. A support member for supporting the bent portion of the rope strand is disposed at a position between the support members, and the support member and the support shaft are connected.

Preferably, the opening and closing angle of the pliers mechanism is in a range of about 0 degrees to about 170 degrees.

[0015] Preferably, means for fixing the pair of members to each other is further provided to hold the pliers mechanism at a predetermined opening angle.

Preferably, the apparatus further includes means for fixing the pair of members to each other to hold the plier mechanism in a closed state.

The present invention provides a method for bending a rope strand using the above-described rope strand bending jig,
Each of the pair of strand gripping portions of the plier mechanism in an open state grips the rope strand, and thereafter, the plier mechanism is closed to bend the rope strand.

The present invention relates to a method for bending a rope strand using the above-described rope strand bending jig,
The rope strand is inserted between the pair of strand grips of the plier mechanism in the open state and the support member, and each of the pair of strand grips grips the rope strand, and then the pliers The mechanism is closed and the rope strand is bent around the support member.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An elevator rope strand bending jig (hereinafter abbreviated as "strand bending jig") according to an embodiment of the present invention and a rope strand bending method using the strand bending jig will be described below. I do.

As shown in FIG. 1, the strand bending jig according to the present embodiment is provided with a plier mechanism 3 configured by intersecting a pair of elongated members 1 and pivotally intersecting the intersection by a support shaft 2. . The distal end portion 8 of each elongated member 1 is provided with a strand gripper 4 for gripping the strand S. The base end of each elongated member 1 forms a grip 5.

Each strand gripper 4 has a strand S
A first groove 13 formed along the longitudinal direction of the elongated member 1 for receiving the strand S along its length direction, and a first groove 13 for receiving the strand S along a direction orthogonal to the longitudinal direction. And a second groove 6 formed in a direction orthogonal to the groove 13.

Further, the rope strand bending jig according to the present embodiment supports the bent portion of the rope strand S at a position between the pair of strand grippers 4 and the support shaft 2 with the plier mechanism 3 closed. Support pins 7 are arranged. This support pin 7 is connected to the support shaft 2,
During the bending operation of the strand S, both strand grippers 4 are always symmetrically positioned with respect to the support pin 7.

When the strand S is bent using the strand bending jig having the above-described configuration, as shown in FIG. 1A, a gap is provided between the first groove 13 of the strand gripper 4 and the support pin 7. Insert the strand S into the pliers mechanism 3
Is closed by hand. Then, FIG. 1 (b)
The strand S is pressed against the support pin 7 as shown in FIG. Then, as shown in FIG. 1C, by further closing the plier mechanism 3, the strand S is bent with the support pin 7 as a fulcrum.

As described above, according to the strand bending jig and the bending method according to the present embodiment, the strand S is held by the strand gripping portion 4 without returning the wrist unlike the related art.
When set in the first groove 13, the strand S
Can be bent, and the bending behavior of the strand S is promoted by the support pin 7, so that the strand S can be bent easily and labor-saving.

Further, in the strand bending jig according to the present embodiment, when the strand S is bent, the jig does not interfere with other strands.

FIG. 2 shows a state in which the pliers mechanism 3 is closed and the distal ends 8 of the elongated members 1 are closest to each other.
In this state, the pair of strand grips 4 are parallel to each other, and a gap is formed between the bent strands S. In this way, even if the strands S are bent until they are parallel to each other, the strand gripper 4
The strand S comes into contact with the entire first groove 13. Thereby, the bending direction of the strand S is corrected at any opening angle of the pliers mechanism 3, so that the strand S does not bend obliquely.

FIG. 3 shows an operation of hammering the strand S after performing the strand bending operation shown in FIG. That is, after performing the strand bending operation shown in FIG. 1, the strand S is once removed from the strand bending jig, and then the bent portion of the strand S is sandwiched by the second groove 6 of the strand gripper 4 from the outside. , Bent strand S
Add a habit to the strand S so that it does not open.

At this time, as shown in FIG. 3 (b), the hook member 9 pivotally attached to the portion of the one elongated member 1 on the grip 5 side is rotated, and the first notch 10 is moved to the other. Is hooked on a pin member 11 protruding from the grip 5 side of the elongated member 1.

In this way, even if the operator releases his / her hand from the strand bending jig, the strand S is sandwiched by the second groove 6 of the strand gripper 4 and the plier mechanism 3 is kept in a completely closed state. can do.

FIG. 4 shows a state where the pliers mechanism 3 is opened to the maximum. The opening and closing angle of the pliers mechanism 3 is in a range of about 0 degree to about 170 degrees. In this way, even when the opening angle of the pliers mechanism 3 is fully opened, the strand S inserted between the support pin 2 and the first groove 13 of the strand gripping portion 4 is slightly inclined, so that the arrow S in FIG. Pressed lightly on both sides as indicated by. For this reason,
The strand S is less likely to come off from the first groove 13 of the strand gripper 4, and it is possible to prevent the strand S from dropping from the strand bending jig during operation.

FIG. 5 shows a state where the strand S of the elevator compensating rope is sandwiched between the second grooves of the strand gripping portion 4. As shown in FIG. 5B, a second notch 12 is formed in the hook member 9 at a position farther from the center of rotation than the first notch 10.
Is hooked on the pin member 11.

As described above, when the pair of elongated members 1 are held at a predetermined opening angle, that is, at an opening angle where the strand S of the compensating rope is sandwiched by the second groove 6, the strand bending jig bends. The worker can use the two hands to wind the wire on the strand S held in the held state.

When the strand bending jig according to the present embodiment is not used, the first notch 10 of the hook member 9 is hooked on the pin member 11 as shown in FIG. At times, it is possible to prevent the pliers mechanism 3 from unexpectedly opening.

[0034]

As described above, according to the present invention, the rope strand can be easily bent by one worker,
It is possible to provide a strand bending jig and a bending method capable of easily performing rope end processing with labor saving.

[Brief description of the drawings]

FIG. 1 is a view showing how a strand is bent by a strand bending jig according to an embodiment of the present invention.

FIG. 2 is a view showing a state in which the strand is bent by the strand bending jig shown in FIG. 1 and a plier mechanism is completely closed.

FIG. 3 is a view showing a state in which a strand is bent by using the strand bending jig shown in FIG. 1;

FIG. 4 is a view showing a state in which the strand bending jig shown in FIG. 1 is completely opened.

FIG. 5 is a view showing a state in which the strand of the compensating rope is bent into a bent state using the strand bending jig shown in FIG. 1;

FIG. 6 is a view showing a state where the strand bending jig shown in FIG. 1 is stored unused.

FIG. 7 is a view for explaining a conventional strand bending method.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Slender member 2 Support shaft 3 Plier mechanism 4 Strand grip part 5 Grip 6 Second groove 7 Support pin 8 Tip of slender member 9 Hook member 10 First cutout 11 Pin member 12 Second cutout 13 First Groove S strand

Claims (9)

[Claims] 1. A plier mechanism comprising a pair of members intersecting and pivotally connected to each other, and a pair of strand gripping portions provided at opposite portions of one end of the member and capable of gripping a rope strand. A rope strand bending jig comprising: A first groove formed along a longitudinal direction of the member for gripping the rope strand along a length direction thereof, and a first groove formed along a longitudinal direction of the member; The rope strand bending jig according to claim 1, further comprising a second groove formed in a direction perpendicular to the first groove for gripping in a direction perpendicular to the direction. . 3. The pair of strand grips are substantially parallel to each other and bent by being gripped by the pair of strand grips when the pliers mechanism is closed and the distal ends of the members are closest to each other. The rope strand bending jig according to claim 1, wherein a gap is formed between the rope strands. 4. The pair of members are pivotally attached to each other by a support shaft provided at an intersection thereof, and a position between the pair of strand gripping portions and the support shaft in a state in which the pliers mechanism is closed. The rope strand according to any one of claims 1 to 3, wherein a support member for supporting the bent portion of the rope strand is arranged, and the support member and the support shaft are connected to each other. Bending jig. 5. The rope strand bending jig according to claim 1, wherein an opening / closing angle of the pliers mechanism is in a range of about 0 degrees to about 170 degrees. 6. A rope according to claim 1, further comprising means for fixing said pair of members to each other to hold said plier mechanism at a predetermined opening angle. Strand bending jig. 7. A rope strand according to claim 1, further comprising means for fixing said pair of members to each other to hold said plier mechanism in a closed state. Bending jig. 8. A method for bending a rope strand using the rope strand bending jig according to claim 1, wherein the rope strand is gripped by each of the pair of strand gripping portions of the plier mechanism in an open state. Thereafter, the pliers mechanism is closed to bend the rope strand. 9. The method for bending a rope strand using the rope strand bending jig according to claim 4, wherein the rope is provided between the pair of strand gripping portions of the plier mechanism and the support member in an open state. A rope strand bending method, comprising inserting a strand to cause each of the pair of strand gripping portions to grip the rope strand, and thereafter closing the plier mechanism and bending the rope strand with the support member as a fulcrum.