KR20190054320A - Wire rope sling - Google Patents

Abstract

The present invention relates to a wire rope sling, comprising: an RFID TAG; and a restriction means for restricting the RFID TAG to a terminal of a wire rope and preventing the RFID TAG from being detached from the terminal of the wire rope. Accordingly, the RFID TAG is restricted to the wire rope sling by the restriction means, thereby preventing the RFID TAG from being lost and protecting the RFID TAG from external interference or shocks.

Description

Wire rope sling {WIRE ROPE SLING}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wire rope sling, and more particularly to a wire rope sling equipped with an RFID tag for wireless recognition of a product.

Generally, a wire rope is produced by stranding a plurality of strands made by twisting a plurality of strands of metal wires. Using such a wire rope, a wire rope sling (or cable laid sling) (cable laid grommet).

The wire rope sling has a structure in which an eye, that is, a ring is formed at both ends of a wire rope so as to be hooked on a hook or the like. In this prior art related to wire rope slings, Patent Document No. 10-0854654 " Wire rope slings, an apparatus and a method for manufacturing thereof, " has been disclosed. The wire rope sling according to the prior art is structured such that it is fixed by a fitting to the overlapping rope portion to form a loop.

Recently, wire rope sling is equipped with RFID tag capable of wireless recognition to manage wire rope sling, or to identify a product using wire rope sling.

However, since the conventional wire rope sling is not suitable for disposing the RFID tag, there is a problem that it is very difficult to actually provide the RFID tag in the wire rope sling. Even if the RFID tag is attached to a part of the wire rope sling, there is a problem that the RFID tag is easily broken off due to external interference or impact, as well as the RFID tag can be easily separated from the wire rope sling.

Korean Patent Publication No. 10-0854654 " Wire rope sling, apparatus and method for manufacturing thereof "

SUMMARY OF THE INVENTION It is an object of the present invention to provide a wire rope sling for restraining an RFID tag provided on a wire rope sling and preventing an RFID tag from being detached from a wire rope sling.

Another object of the present invention is to provide a wire rope sling which isolates the RFID tag from the outside so that the RFID tag can be protected from external interference or impact.

Further, a separate member for isolating the RFID tag is detachably provided, and when a problem occurs in the RFID tag, the above-described separate member is separated to provide a wire rope sling capable of repairing or replacing the RFID tag There is another purpose.

In order to achieve the above object, a wire rope sling according to the present invention is a wire rope sling in which a terminal of a wire rope is provided in a ring shape, And restricting means for restricting the RFID tag to a terminal of the wire rope to prevent the RFID tag from being detached from the terminal of the wire rope.

The constraining means may include a clamp for fixing the terminal portion of the wire rope in a ring shape; And a reinforcing portion connected to at least one of the opposite ends of the clamp and having the RFID TAG therein.

Meanwhile, the restraining means includes a clamp for fixing a terminal portion of the wire rope in a ring shape; And a holder, which is provided in a groove shape so that the RFID tag is fitted and joined to a part of the clamp.

On the other hand, the restraining means includes a clamp for fixing a terminal portion of the wire rope in a ring shape; And a holder which is fastened to a fastening groove formed in a part of the clamp and has a groove in which the RFID tag can be fitted and coupled.

The RFID tag may further include a shielding portion for shielding the entrance of the holder to prevent the RFID tag from coming off.

The blocking portion may be formed of an adhesive that is injected into the holder and solidified to fill the entrance of the holder.

The blocking unit may include an opening / closing member detachably coupled to the groove of the holder to open / close the door of the holder.

The tab member may include a pin having a thread formed on the outer circumferential surface thereof and screwed into the groove of the holder.

According to the wire rope sling of the present invention, since the RFID tag is restrained to the wire rope sling through the restraining means, the RFID tag can be prevented from being detached from the wire rope sling, thereby preventing the RFID tag from being lost.

Since the RFID tag is provided at an inner part of the wire rope sling, the RFID tag can be easily protected from external interference or impact since it is not exposed to the outside of the wire rope sling.

In addition, since the entrance and exit of the holder through which the RFID tag enters and exits is blocked through the shielding part, the RFID tag coupled to the holder can be easily prevented from being lost and the RFID tag can be isolated from the outside, You can also protect it.

The blocking portion is made of an adhesive and solidified in a state where it is injected into an entrance of the holder, thereby sealing the entrance of the holder, thereby completely isolating the RFID TAG from the outside.

Meanwhile, since the blocking portion is formed of a threaded pin and is detachably fastened to the entrance of the holder, it is possible to selectively open and close the entrance of the holder. Therefore, when a trouble occurs in the RFID tag or maintenance is required, It can be easily separated.

1 is a view showing an embodiment of a wire rope sling according to the present invention.
2 is a view showing another embodiment of the wire rope sling according to the present invention.
3 is a view showing another embodiment of the wire rope sling according to the present invention.
Fig. 4 is a view showing an embodiment of the blocking portion. Fig.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Unless defined otherwise, all terms herein are the same as the general meaning of the term as understood by one of ordinary skill in the art to which this invention belongs, and if the terms used herein conflict with the general meaning of the term Are as defined herein.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory only and are not restrictive of the scope of the invention, .

A wire rope sling (10) according to the present invention comprises an RFID TAG (200); And restraining means 100 for restraining the RFID tag 200 from being detached from the terminal of the wire rope 11 by restricting the RFID tag 200 to the terminal of the wire rope 11.

Here, the structure and structure of the wire rope sling 10 will be briefly described below before explaining the above-described structures included in the wire rope slings 10.

As shown in FIG. 1, the wire rope sling 10 is provided with an eye, that is, a ring 15, at both ends of a wire rope 11 manufactured by twisting a plurality of strands of metal wires. The loop 15 is formed by bending the end portions of the wire rope 11 in an annular shape and then overlapping each other in a state where the ropes 11 are overlapped with the main line of the rope ). At this time, the fixing of the rope connecting portion 13 is fixed by using the clamp 50, which is a constitution of a restraining means 100 to be described later. A detailed description of the clamp 50 will be given while explaining the restraining means 100 I will explain it together.

Hereinafter, with reference to the above-described wire rope sling 10, the structures included in the wire rope sling 10 of the present invention will be described as follows.

The RFID TAG 200 is a device for transmitting data wirelessly for identification of a product in which the wire rope sling 10 or the wire rope sling 10 is used and is formed into various small chip types such as circular, . Because the RFID TAG 200 is not suitable to be placed in a conventional wire rope sling, it can be easily provided to the wire rope sling 10 through the constraining means 100 through the present invention.

The restraining means 100 may be achieved through Examples 1 to 3 described below.

Example 1

The restraining means 100 includes a clamp 50 for fixing the end portion of the wire rope 11 in the form of a ring as shown in Fig. 1; And a reinforcing part (70) connected to at least one of the opposite ends of the clamp (50) and having the RFID TAG (200) therein.

The clamp 50 is a component for fixing the rope connecting portion 13 as described above. For example, the clamp 50 may have a hollow cylindrical shape as shown in FIG. 1, and may be fixed to the rope connecting portion 13 by using a commonly used compactor or the like.

Thus, the clamp 50 can be firmly fixed to the rope connection portion 13 of the wire rope 11. That is, the clamp 50 can easily hold the end of the wire rope sling 10 to the annular ring 15.

The reinforcing portion 70 can be formed in a tapered structure that gradually decreases from the clamp 50 toward the center of the rope. This is to prevent the step between the wire rope 11 and the clamp 50 when using the wire rope sling 10 so as to prevent the wire rope 11 and the clamp 50 from being caught in the surrounding structures and to make the appearance more beautiful. Further, while reducing the amount of use of the clamp 50, it further enhances the coupling force of the rope connecting portion 13 and also prevents the clamp 50 from flowing.

Particularly, the reinforcement portion 70 is preferably made transparent so that the state of one end of the wire rope 11, that is, the problem of the end portion being removed from the reinforcement portion 70 and the clamp 50 can be visually confirmed easily Do. The reinforcing portion 70 includes a cover 71 that surrounds the RFID tag 200 and is positioned around the side rope connection portion 13 of the clamp 50 and a RFID tag 200 And a transparent filling member which is filled around the rope connecting portion 13 to fix the rope connecting portion 13.

The RFID tag 200 may be provided between the metal wires of the rope connecting portion 13 before the cover 71 is provided and may be provided in a fixed state or may be provided in the rope connecting portion 13 via a cable tie or the like. .

The cover 71 may be made of a material such as a transparent sheet or a transparent polyethylene terephthalate (PET) film. The thickness of the cover 71 can be appropriately adjusted according to the operating conditions. For example, a thickness of about 0.3 mm. The cover 71 is preferably provided with a filling hole 71a for filling the filling member 73 therein. It is preferable that the filling hole 71a is formed so as to be suitably formed in accordance with the operating conditions as long as it can fill the filling member 73. [

Thus, the cover 71 surrounds the periphery of the portion of the rope connection portion 13 with the RFID TAG 200 provided in the rope connection portion 13 inside.

The filling member 73 is preferably made of a transparent liquid resin made of a material such as epoxy, urethane, or PVC (polyvinylchloride). The filling member 73 is configured to be cured and changed to a solid state after a certain period of time after the transparent liquid resin is injected (filled) through the filling hole 71a of the cover 71 in a liquid state . At this time, it is preferable to use a raw material in which the main component of the filling liquid 73 and the curing agent for curing the main liquid are mixed in an appropriate ratio, and the transparent liquid material made of such a raw material The filling member 73 can be configured in such a manner that the filling member 73 is filled in the cover 71 and cured in a solid state naturally or externally in the cover 71 to some extent.

Thus, the filling member 73 is filled in the cover 71, and then hardened to fix the fixed RFID TAG 200 to the rope connecting portion 13.

The cover 71 and the filling member 73 constituting the reinforcing portion 70 described above are constructed using a transparent or translucent material which can confirm the state of the wire rope 11 or the RFID TAG 200 If necessary, the cover 71 or the filling member 73 may be formed by mixing a pigment having a hue. The color of the pigment can be divided into a yellow color for safety and a red color for indicating danger. However, it is preferable to maintain the transparent or semi-transparent state so that the state of the rope connecting portion 13 can be confirmed even if a desired color is given to the reinforcing portion 70. [

As described above, the reinforcing portion 70 is formed at the center of the rope main line around the clamp 50. However, depending on the conditions, the cover 50 may be provided around the loop portion 15 71) and a filling member (73).

Accordingly, the RFID tag 200 can be easily provided at a part of the wire rope 11 through the reinforcing portion 70 described above.

Example 2

The restraining means 100 includes a clamp 50 for fixing the end portion of the wire rope 11 in the form of a ring as shown in FIG. 2; And a holder 110 provided in the form of a groove 110a so that the RFID tag 200 is inserted into a part of the clamp 50. As shown in FIG.

Since the clamp 50 is the same as that described in the first embodiment, detailed description is omitted.

The holder 110 is a component in which the RFID tag 200 is embedded. In detail, the holder 110 may be provided in the form of a groove 110a in which a part of the clamp 50 is recessed as shown in FIG. The grooves 110a may be formed in a shape or size corresponding to the shape and size of the RFID tag 200 so that the RFID tag 200 can be fitted and coupled with the entrance 111 formed with the upper opening. .

Accordingly, the holder 110 can be provided with a groove 110a in which the RFID tag 200 can be inserted in the inside of the clamp 50.

Thus, the holder 110 can be easily provided in a portion of the clamp 50 in the form of a groove 110a through a simple manufacturing process. At this time, since the groove 110a has a shape and size corresponding to the shape and size of the RFID tag 200, the RFID tag 200 can be easily inserted into the groove 110a. That is, the RFID tag 200 can be easily provided to the wire rope 11 through the clamp 50 provided with the holder 110.

Example 3

The restraining means 100 includes a clamp 50 for fixing the end portion of the wire rope 11 in the form of a ring as shown in Fig. And a holder 110 which is fastened to a fastening groove 50a formed in a part of the clamp 50 and provided with a groove 110a in which the RFID tag 200 can be fitted and coupled.

Since the clamp 50 is the same as that described in the first embodiment, detailed description is omitted.

The holder 110 may be configured separately from the clamp 50 as shown in FIG. The holder 110 may be recessed inwardly of the groove 110a to which the RFID tag 200 can be fitted and coupled as in the second embodiment. At this time, the groove 110a provided in the holder 110 is formed with an opening 111 having an open upper part like the above-described second embodiment, and the RFID tag 200 is inserted into the groove 110a so that the RFID tag 200 can be inserted, And may be formed in a shape or size corresponding to the shape or size of the substrate.

Accordingly, the holder 110 may be provided with a groove 110a into which the RFID tag 200 can be inserted.

Therefore, the holder 110 is provided with the groove 110a corresponding to the shape and size of the RFID tag 200 as in the second embodiment, so that the RFID tag 200 can be easily fitted into the groove 110a .

The holder 110 may be formed in the form of a screw or a bolt having a thread on the outer circumferential surface.

Accordingly, the holder 110 can be easily fastened to the threaded fastening groove 50a provided in a part of the clamp 50 in a bolting manner.

Therefore, the holder 110 is detachably attached to the engaging groove 50a of the clamp 50 through the above-described bolting method, so that the holder 110 can be coupled / detached according to the user's selection. That is, the user can solve the above-described problem by separating the holder 110 in which the RFID tag 200 is embedded from the clamp 50 when a problem occurs in the RFID tag 200 or maintenance is required.

As described in the second to third embodiments, the restraining means 100 may be configured to block the entrance 111 of the holder 110 to prevent the RFID tag 200 detached from the holder 110, (130). ≪ / RTI >

The blocking portion 130 is a component for preventing the RFID tag 200 contained in the holder 110 from being detached by blocking the entrance 111 of the holder 110 described above. Here, the blocking unit 130 may be provided through Embodiments 4 through 5 described below.

Example 4

The shielding part 130 is injected into the holder 110 as shown in FIGS. 2 to 3 and 4 (a), and then solidified to form an adhesive agent for filling the entrance 111 of the holder 110 (150). For example, the blocking portion 130 may be made of a thermosetting resin adhesive such as a phenol resin, a urea resin, a melamine resin, a polyester resin, an epoxy resin, a silicone resin, or the like and may be made of a resin such as polyvinyl acetate, polyvinyl chloride, And may be composed of a thermoplastic resin adhesive, but in the present invention, it is preferable that it is made of a thermosetting resin adhesive (hereinafter referred to as 'adhesive 150').

Here, the adhesive 150 may be injected into the inner space of the groove 110a through the entrance 111 of the holder 110 in a temporary liquid state, and then may lose fluidity and solidify.

Accordingly, the adhesive 150 can block the entrance 111 of the holder 110 in a closed state.

Therefore, since the adhesive 150 cuts off the entrance 111 of the holder 110, it is possible to easily prevent the RFID tag 200 inserted into the groove 110a of the holder 110 from being detached from the holder 110 The RFID tag 200 can be easily protected from external interference or impact.

Example 5

The blocking portion 130 may be provided with an opening and closing member that is detachably coupled to the groove 110a of the holder 110 and opens and closes the entrance 111 of the holder 110. [

4 (b), the opening and closing member may include a pin 160 having a thread formed on an outer circumferential surface thereof so as to be detachably coupled to the inside of the holder 110.

Here, the pin 160 may be fastened to the inner space of the groove 110a provided in the holder 110 through a bolting method. At this time, the groove 110a of the holder 110 may be formed with another thread on the inner circumferential surface of which the thread of the pin 160 is guided.

Accordingly, the pin 160 can be detachably coupled to the inner space of the groove 110a provided in the holder 110 through the above-described bolting method.

Accordingly, since the pin 160 is detachably coupled to the inner space of the holder 110, it can be coupled / detached according to the user's selection. That is, if a problem occurs in the RFID tag 200 or maintenance is required, the user can remove the pin 160 from the holder 110 and remove the RFID tag 200 from the holder 110 to solve the above- have.

Thus, the wire rope sling 10 according to the present invention can easily arrange the RFID tag 200 on the wire rope 11 by restricting the RFID tag 200 through the constraining means 100.

Since the entrance 111 of the holder 110 through which the RFID tag 200 enters and exits is blocked through the blocking part 130, the loss of the RFID tag 200 coupled to the holder 110 can be easily prevented Since the RFID tag 200 is isolated from the outside, the RFID tag 200 can be easily protected from external interference or impact.

10: Wire rope sling 11: Wire rope
13: rope connection part 50: clamp
70: reinforced portion 71: cover
71a: Filling hole 73: Filling member
100: constraint means 110: holder
111: entrance and exit 130:
150: adhesive 160: pin
200: RFID TAG

Claims (8)

A wire rope sling in which terminals of a wire rope are provided in a ring shape,
RFID TAG; And
And restricting means for restricting the RFID tag to a terminal of the wire rope to prevent the RFID tag from being detached from the terminal of the wire rope.
2. The apparatus according to claim 1,
A clamp for fixing a terminal portion of the wire rope in a ring shape; And
And a reinforcing portion connected to at least one of both ends of the clamp and having the RFID TAG therein.
2. The apparatus according to claim 1,
A clamp for fixing a terminal portion of the wire rope in a ring shape; And
And a holder, which is provided in a groove shape so that the RFID tag is fitted and joined to a part of the clamp.
2. The apparatus according to claim 1,
A clamp for fixing a terminal portion of the wire rope in a ring shape; And
And a holder which is fastened to a fastening groove formed in a part of the clamp and provided with a groove into which the RFID TAG can be inserted and fitted.
The method according to claim 3 or 4,
And a shielding portion for shielding the entrance of the holder so as to prevent the RFID tag from being separated from the wire rope sling.
6. The apparatus according to claim 5,
And an adhesive agent injected into the holder and solidified to fill an entrance of the holder.
The apparatus according to claim 6,
And an opening / closing member detachably coupled to the groove of the holder to open / close an entrance of the holder.
8. The apparatus according to claim 7,
And a pin having a thread formed on an outer circumferential surface thereof and screwed into a groove of the holder.

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