JP2587393Y2 - Wire rope tension aid - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wire rope tensioning aid suitable for use in slinging.

[0002]

2. Description of the Related Art In a conventional sling operation, for example, when a roll shaft on which a rolling roll or the like is wound is lifted by a crane, wires are slung on both ends of the roll shaft. Until the crane rises and the wire is tensioned, the worker holds the wire using a hook to prevent the slack wire from coming off the roll axis or shifting its position. Was.

[0003] In the above-described slinging operation using a hook, the worker can be prevented from being caught by a suspended load such as a roll shaft, but the work efficiency is poor.
Instruments for improving the efficiency and safety of such slinging work are disclosed in Japanese Utility Model Laid-Open No.
There is a wire rope tensioning aid described in Japanese Patent Application Laid-Open No. 176281/1976 and Japanese Utility Model Application Laid-Open No. 55-176282.

[0004]

However, in the above-described conventional wire rope tensioning aid, the wire rope tensioning aid must be attached to the wire rope in advance, so that the wire rope is handled after the slinging operation is completed. And the storage was troublesome.

In the conventional wire rope tensioning aid described above, a wire rope tensioning aid matching the thickness of the wire rope must be used. Therefore, when a plurality of wire ropes having different thicknesses are used, However, it was necessary to prepare a plurality of types of wire rope tensioning aids according to the thickness of the wire rope.

Further, in the above-described conventional wire rope tensioning aid, the operator has to operate the wire rope tensioning aid with both hands, which is not convenient.

An object of the present invention is to provide an easy-to-use wire rope tensioning aid that can handle a plurality of types of wire ropes having different thicknesses.

[0008]

The wire rope tension assisting device of the present invention has a wire fixing groove which is a groove for holding a wire at one end and a groove for holding the wire weaker than the wire fixing groove at the other end. 1st with a certain wire off groove
A plate member, a second plate member having the wire fixing groove at one end and having the wire disconnection groove at the other end, one end fixed to the first plate member, and the other end fixed to the second plate member. The first plate member and the second plate member are movably combined with each other in the longitudinal direction of the spring, and the respective wire fixing grooves and the wire detachment grooves are mutually connected. It is characterized by being combined in the facing direction.

In the wire rope tension assisting device of the present invention, one end of the spring is fixed substantially at the center of the first plate member, and the other end of the spring is slightly eccentric from the center position of the second plate member. In a fixed position.

In the wire rope tension assisting device according to the present invention, the first plate member and the second plate member are plate members made of monocast nylon resin (MONO CAST nylon resin). .

[0011]

[Function] In the wire rope tensioning aid of the present invention,
When the operator squeezes and squeezes the first plate member and the second plate member with the palm, the spring contracts, and the first plate member and the second plate member move inward in the longitudinal direction of the spring, thereby fixing the wire. The gap between the groove and the wire separation groove increases.
Then, a part of the slack wire in the slinging operation or the like is inserted into the wire fixing groove having the increased gap, the force of the worker to grasp and squeeze with the palm is relaxed, and the wire is sandwiched in the wire fixing groove.

After that, while holding the wire in the wire fixing groove, the operator grasps and squeezes the side of the first plate member and the second plate member which is closer to the wire separation groove with the palm of the hand to remove only the gap of the wire separation groove. The other part of the wire is sandwiched in the wire escape groove.

Thus, the wire is tensioned by holding two points of the wire with the wire rope tensioning aid.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows a wire rope tensioning aid according to the present invention, wherein (a) is a front view and (b) is a side view. As shown in FIG. 1, the wire rope tension assisting device of this embodiment includes a first plate member 1, a second plate member 2, a bolt 3, a spring 4, and a spring guide 5.

The first plate member 1 and the second plate member 2 are plate members made of, for example, MC nylon resin (MONO CAST nylon resin). The material is M
A resin other than C nylon resin, a metal such as aluminum, or wood may be used. The first plate member 1 has a wire fixing groove 6 which is a groove for holding a wire at one end, and a wire detaching groove 7 which is a groove for holding the wire weaker than the wire fixing groove at the other end. The second plate member 2 also has a wire fixing groove 6 at one end and a wire detaching groove 7 at the other end. One end of the spring 4 is fixed to the first plate member 1 by a bolt 3 attached to the first plate member 1, and the other end of the spring 4 is connected to a root of a spring guide 5 provided on the second plate member 2. Fixed. The first plate member 1 and the second plate member 2 are combined so as to be freely movable in the longitudinal direction of the spring 4, and the repulsive force of the spring 4 causes the wire fixing groove 6
And the wire separation groove 7 and the portion are meshed with each other.

The fixed position of the spring 4 in the second plate member 2, that is, the root position of the spring guide 5, is a position slightly eccentric from the center position in the second plate member 2. The size of the outer shape of the wire rope tensioning aid shown in FIG. 1 is such that the first plate member 1 and the second plate member 2 can be grasped with the palm of a human hand.

Next, the operation of this embodiment will be described. 2A and 2B show an operation state of the wire rope tensioning aid shown in FIG. 1, wherein FIG. 2A is a front view and FIG. 2B is a side view. When the worker performing the slinging operation squeezes and squeezes the first plate member 1 and the second plate member 2 with one palm, the spring 4 is contracted, and the gaps in the wire fixing groove 6 and the wire detaching groove 7 are shown in FIG. As shown. Then, the worker fixes the wire fixing groove 6 and the wire detaching groove 7.
Are positioned respectively. Thereafter, the worker loosens the force of grasping and squeezing the first plate member 1 and the second plate member 2 so that the gap in the wire fixing groove 6 and the wire detaching groove 7 is reduced, and the wire fixing groove 6 and the wire detaching groove are reduced. 7, the wires 10 are sandwiched between the first plate member 1 and the second plate member 2, respectively.

Here, the size of each gap between the wire fixing groove 6 and the wire detachment groove 7 differs depending on the position where the operator grips the first plate member 1 and the second plate member 2. Alternatively, the wire 10 can be sandwiched between the wire fixing grooves 6 and then the wire 10 can be sandwiched between the wire releasing grooves 7. By these operations, the slinging operation can be performed using only one hand.

FIGS. 3, 4 and 5 show explanatory views of the use state of the wire rope tensioning aid shown in FIG. 1, respectively.
(A) is a front view, and (b) is a side view. First, in FIG. 3, both ends of two wires 10 and 11 are hooked on hooks 31 suspended by a crane (not shown). And wire 1
Numerals 0 and 11 are slung on both ends of the roll shaft 33 around which the rolling roll 32 is wound. But,
As shown in FIG. 3, since the wires 10 and 11 are each in a slack state, if the hook 31 is lifted with a crane as it is, the wires 10 and 11 may be displaced from the roll shaft or may be displaced.

Therefore, as shown in FIG. 4, the wires 10 and 11 slung on both ends of the roll shaft 33 are tensioned to some extent using the wire rope tensioning aid. Then, the hook 31 is gradually raised by the crane.

When the hook 31 is further lifted by the crane, as shown in FIG. 5, each wire is strongly tensioned. Therefore, in the wire release grooves 7 of the wires 10 and 11 sandwiched by the wire rope tensioning aid, as shown in FIG. The pinched wire comes off from the wire release groove 7. Here, the wire sandwiched in the wire fixing groove 6 is still sandwiched in the wire fixing groove 6. Thus, it is possible to prevent the wire rope tension assisting tool from coming off all the wires and hitting an operator or the like.

Accordingly, the wire rope tension assisting device of this embodiment does not require the wire rope tension assisting device to be mounted on the wire rope in advance, so that the wire rope and the wire rope tensioning assisting device after the sling operation is completed. It is easy to handle and store. Further, the wire rope tension assisting device of this embodiment can handle a plurality of types of wire ropes having different thicknesses with one wire rope tensioning assisting device. It is no longer necessary to change tension aids. Furthermore, since the wire rope tensioning aid of the present embodiment can be operated by an operator using only one hand, the slinging operation can be performed easily, quickly and safely using the wire rope tensioning aid of the present embodiment. Can be performed.

In this embodiment, the fixing position of the spring 4 in the second plate member 2 is slightly eccentric from the center position in the second plate member 2, and the shape of the wire fixing groove 6 and the wire detachment groove 7 is further changed. By making it different, the wire rope tension assisting device is prevented from coming off the wire, but, for example, by attaching a string to the second plate member 2 or the like and connecting the string to the wire. In addition, it is possible to reliably prevent the wire rope tensioning aid from coming off the wire.

[0025]

As described above, according to the present invention, the first plate member and the second plate member having the wire fixing groove and the wire detaching groove are movably combined with each other by using a spring. Therefore, it is possible to provide an easy-to-use wire rope tensioning aid that can handle a plurality of types of wire ropes having different thicknesses.

[Brief description of the drawings]

FIG. 1 shows a wire rope tensioning aid according to an embodiment of the present invention, wherein (a) is a front view and (b) is a side view.

2 (a) is a front view and FIG. 2 (b) is a side view showing an operation of the wire rope tension assisting device shown in FIG.

3A and 3B show a first explanatory view of a use form of the wire rope tensioning aid shown in FIG. 1, wherein FIG. 3A is a front view and FIG.
Is a side view.

FIGS. 4A and 4B are second explanatory views of a usage form of the wire rope tensioning aid shown in FIG. 1, wherein FIG. 4A is a front view and FIG.
Is a side view.

FIGS. 5A and 5B are third explanatory views of a usage mode of the wire rope tensioning aid shown in FIG. 1, wherein FIG. 5A is a front view and FIG.
Is a side view.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 1st plate member 2 2nd plate member 3 Bolt 4 Spring 5 Spring guide 6 Wire fixing groove 7 Wire detachment groove

Claims (3)

(57) [Scope of request for utility model registration] A first wire holding groove which is a groove for holding a wire at one end and a wire detaching groove which is a groove for holding a wire weaker than the wire fixing groove at the other end;
A plate member, a second plate member having the wire fixing groove at one end and having the wire disconnection groove at the other end, one end fixed to the first plate member, and the other end fixed to the second plate member. The first plate member and the second plate member are movably combined with each other in the longitudinal direction of the spring, and the respective wire fixing grooves and the wire detachment grooves are mutually connected. A wire rope tensioning aid characterized by being assembled in the facing direction. 2. The wire rope tension assisting device according to claim 1, wherein one end of the spring is fixed substantially at the center of the first plate member, and the other end of the spring is slightly offset from the center position of the second plate member. A wire rope tensioning aid, which is fixed at a centered position. 3. The wire rope tensioning aid according to claim 1, wherein the first plate member and the second plate member are plate members made of a monocast nylon resin (MONO CAST nylon resin). A wire rope tensioning aid characterized by the following.