KR102147803B1 - Belt Sling for freight transportation - Google Patents

Abstract

In the present invention, the belt sling includes an outer skin inserted into the outer circumference of the body portion having a knot loop portion, and a metal wire is installed on the upper surface of the lower reinforcement sash portion installed in plural on both sides of the front and rear surfaces of the outer skin, and the lower reinforcement sash portion Wow, when a plurality of upper reinforcing pads seated on the upper part of the metal wire are installed on the upper surface of the outer skin, and the outer skin of the body part is inserted into the insertion hole of the coil steel sheet and is bent, high-strength Kevlar on both sides of the outer skin The lower reinforcement sash part woven with a thread and equipped with metal wire and the upper reinforcement sash part woven with Kevlar yarn on the upper part of the lower reinforcement sash part is damaged and damaged by the weight of the coil steel plate and the sharp edges formed on both sides of the insertion hole of the coil steel plate. The present invention relates to a belt sling for transporting heavy loads having metal wires on both front and rear sides of the belt sling to increase the wear resistance and breaking strength of the belt sling to increase the service life of the belt sling.

Description

Belt sling for heavy-duty cargo transportation with metal wires on both sides of the front and rear {Belt Sling for freight transportation}

The present invention relates to a belt sling for transporting heavy loads having metal wires on both sides of the front and rear surfaces, and more particularly, the body portion is inserted into the insertion hole of the coil steel plate, and both sides of the outer skin contacting the edge of the coil steel plate when moving. Prevents damage and damage by the weight of the coil steel plate and the sharp edges formed on both sides of the upper side of the insertion hole of the coil steel plate and the upper reinforcement strap woven with Kevlar yarn on the upper part of the lower reinforcement strip with metal wire. The present invention relates to a belt sling for transporting heavy loads having metal wires on both front and rear sides of the belt sling to increase the wear resistance and breaking strength of the belt sling to increase the service life of the belt sling.

In general, when you want to easily transport heavy cargo using a crane, etc., a belt sling for transporting cargo is used to lift the cargo by winding it from the bottom to the top.

Such a belt sling is in the form of a belt having a certain length in the longitudinal direction and a width in the width direction, and consists of a body part of a certain length and a circular knot loop part that is integrally formed at both ends of the body part and is hooked to a hook such as a crane. Has been.

The body part and the knot ring part are made of a fabric in which a plurality of judges are embedded in the lengthwise direction inside the warp and weft yarns and the weft yarns woven in a certain pattern.

In other words, the body part and the knot loop part are constructed in a structure in which the woven warp and the weft yarn are internally inserted in the longitudinal direction to increase durability.

However, in the conventional belt sling described above, the warp and weft forming the body portion are made of regular polyester yarn and have poor durability, so that the heavy weight of the cargo and the frequent friction with the cargo have to break easily.

In addition, when the body part of the belt sling is inserted into the insertion hole formed in the coil steel sheet, and the knot ring formed in the body part is hooked to the hook of the crane to lift the coil steel sheet and repeat movement, both sides of the upper insertion hole of the coil steel sheet Due to the characteristic of the coil steel sheet made of thin metal material, the outer circumference of the insertion hole is formed with a sharp edge, and the load of the coil steel sheet is concentrated on both edges of the insertion hole. There are many problems in that the coil steel sheet is damaged because it is easily broken and the coil steel sheet is separated from the belt sling.

In order to solve the above problems, the present invention is a belt sling is a metal on the upper surface of the outer skin inserted into the outer circumference of the body portion having a knot loop portion, and a plurality of lower reinforcement belts installed on both sides of the front and rear surfaces of the outer skin. When a wire is installed, the lower reinforcing sash part and the upper reinforcing sash part seated on the upper part of the metal wire are installed in more than one on the upper surface of the outer skin, so that the outer skin of the body part is inserted into the insertion hole of the coil steel sheet and is bent. On both sides of the outer skin, the lower reinforcement sash part woven with high-strength Kevlar yarn and equipped with metal wires, and the upper reinforcement sash part woven with Kevlar yarn on the upper part of the lower reinforcement sash part are sharp edges and coils formed on both sides of the insertion hole of the coil steel sheet. A belt sling for transporting heavy loads with new metal wires on both front and rear sides of the belt sling to increase the wear resistance and breaking strength of the belt sling by preventing the steel plate from being damaged or damaged by the weight of the steel plate to increase the service life of the belt sling. It has its purpose to provide.

In order to achieve such an object, the present invention includes a body portion having a length and formed with a circular knot ring portion at both ends; An outer skin portion formed with an insertion portion so that the body portion is inserted; A plurality of lower reinforcement sash portions installed on the left and right sides of the outer skin portion in contact with the edge of the coil steel sheet; The lower reinforcing sash portion is installed at a distance from each other on the outer skin portion and a metal wire installed on the upper outer peripheral surface of the lower reinforcing sash portion; An upper reinforcement sash part having a predetermined length, a lower part is seated on an upper surface of the lower reinforcement sash part while covering the metal wire, and is installed in plural lengthwise directions on front and rear surfaces of the outer skin part; It characterized in that it consists of a connecting ring portion respectively installed at one end of the upper reinforcing sash portion at any one of the front and rear surfaces of the outer skin portion.

In addition, it is installed between the lower reinforcement sash portion, characterized in that consisting of a central reinforcement sash portion installed on the lower surface of the upper reinforcement sash portion.

In addition, as for the metal wire, a rectangular metal wire is installed inside the metal wire which is installed in a square shape on the outer circumference of the lower reinforcing strips, and a rectangular metal wire is installed inside the metal wire. A rectangular metal wire is installed inside, and the above-described process is repeatedly performed.

In addition, a urethane coating layer is formed on the outer circumference of the metal wire.

In addition, a urethane coating layer is formed on the lower reinforcement sash part, the upper reinforcement sash part, and the central reinforcement sash part.

In addition, it is installed between both the upper reinforcement sash portion, characterized in that the lower height reinforcement sash portion provided with the upper reinforcement sash portion is installed on the upper portion.

In addition, the lower reinforcement sash portion, the upper reinforcement sash portion, the central reinforcement sash portion, and the lower height reinforcement sash portion is woven with Kevlar yarn.

In the present invention, the belt sling includes an outer skin inserted into the outer circumference of the body portion having a knot loop portion, and a metal wire is installed on the upper surface of the lower reinforcement sash portion installed in plural on both sides of the front and rear surfaces of the outer skin, and the lower reinforcement sash portion Wow, when a plurality of upper reinforcing pads seated on the upper part of the metal wire are installed on the upper surface of the outer skin, and the outer skin of the body part is inserted into the insertion hole of the coil steel sheet and is bent, high-strength Kevlar on both sides of the outer skin The lower reinforcement sash part woven with yarn and equipped with metal wire and the upper reinforcement sash part woven with Kevlar yarn on the upper part of this lower reinforcement sash part are damaged and damaged by the weight of the coil steel plate and the sharp edges formed on both sides of the insertion hole of the coil steel plate. It has the effect of increasing the service life of the belt sling by increasing the wear resistance and breaking strength of the belt sling.

1 is a perspective view according to the present invention.
Figure 2 is a cross-sectional view showing a lower reinforcement tether portion, an upper reinforcement tether portion, and a metal wire according to the present invention.
3 is a cross-sectional view showing a lower reinforcing sash portion, an upper reinforcing sash portion, a metal wire, and a urethane coating layer according to the present invention.
Figure 4 is a plan view showing an installation example of the metal wire installed on the upper surface of the lower reinforcement sash portion according to the present invention.
Figure 5 is a schematic view showing an extension band according to the present invention.
Figure 6 is a schematic view showing a connection ring according to the present invention.
Figure 7 is a cross-sectional view showing a urethane coating layer formed on the upper portion of the central reinforcement sash portion and the lower height reinforcement sash portion according to the present invention.
Figure 8 is a cross-sectional view showing a state of use according to the present invention.

In order to fully understand the present invention, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

The embodiments of the present invention may be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below.

This embodiment is provided to more safely explain the present invention to those with average knowledge in the art.

Accordingly, the shape of the element in the drawings may be exaggerated to emphasize a clearer description. It should be noted that in each drawing, the same member may be indicated by the same reference numeral.

1 is a perspective view according to the present invention, Figure 2 is a cross-sectional view showing a lower reinforcement sash portion, an upper reinforcement sash portion, and a metal wire according to the present invention, and Fig. 3 is a lower reinforcement sash portion and an upper portion according to the present invention A cross-sectional view showing a reinforcing sash part, a metal wire, and a urethane coating layer, FIG. 4 is a plan view showing an installation example of a metal wire installed on the upper surface of the lower reinforcing sash part according to the present invention, and FIG. 5 is an extension strip according to the present invention Fig. 6 is a schematic view showing a part, and Fig. 6 is a schematic view showing a connecting ring part according to the present invention, and Fig. 7 is a cross-sectional view showing a urethane coating layer formed on an upper portion of a central reinforcing sash and a lower height reinforcing sash according to the present invention, and FIG. It is a cross-sectional view showing the state of use according to the present invention.

A belt sling for transporting heavy loads having metal wires on both sides of the front and rear surfaces according to the present invention will be described in detail with reference to those shown in FIGS. 1 to 8.

The belt sling for high-load cargo transport according to the present invention is a transport tool used when transporting heavy cargo using a crane, etc., and an insertion hole formed in the coil steel plate (a) in which the coil steel plate is sequentially depressurized from the inside to the outside ( b) The body part 10 of the belt sling is inserted, and the hook (c) of a crane (crane) (not shown) is hooked up to the knot loop part 20 installed at both ends of the body part 10 to move. Is composed.

Such, high-load cargo transport belt sling (belt sling) is constructed by woven synthetic fiber yarn.

That is, the body portion 10 and the outer skin portion 20, which is a configuration of the belt sling for transporting high-load cargo according to the present invention, are woven with synthetic fiber yarn, and the lower reinforcement sash part 30, and the upper reinforcement sash part 50 And, the connecting ring portion 60, the central reinforcing sash portion 70, and the lower height reinforced sash portion 90 is made of a high-strength synthetic fiber yarn, kevlar yarn.

Accordingly, the belt sling of the present invention includes a body part 10, an outer skin part 20, a lower reinforcement sash part 30, a metal wire 40, an upper reinforcement sash part 50, and a connection ring part ( 60) and, a central reinforcing sash portion 70, a urethane coating layer 80, and a lower height reinforcing sash portion 90.

The body portion 10 is configured to have a length in a predetermined length direction.

The knot ring portions 11 are formed at both ends of the body portion 10 to be configured.

The outer skin portion 20 is formed with an insertion portion 21, and the outer skin portion 20 is configured to have a length in the longitudinal direction.

The inner circumference of the insertion part 21 is configured by inserting the outer circumference of the body part 10.

The lower reinforcing belt portion 30 is configured to be installed on the left and right sides of the front and rear surfaces of the outer skin portion 20.

The lower reinforcing sash portion 30 is installed by sewing on the outer skin portion 20 with Kevlar yarn.

In this way, a plurality of the lower reinforcement sash portions 30 are installed on the left and right sides of the front and rear surfaces of the outer skin 20, and both the lower reinforcement sash portions 30 are installed at a distance from each other to A space is formed between 30.

It is preferable that the lower reinforcement girdle part 30 is formed of kevlar yarn.

The metal wires 40 are formed in a rectangular shape and seated on the outer circumferential surfaces of both the lower reinforcing strips 30 installed on the upper surface of the outer skin 20 at a distance from each other.

The metal wire 40 of the square is seated on the upper surface of the lower reinforcement sash part 30, and the metal wire 40 is fixed to the upper surface of the lower reinforcement sash part 30, the metal wire The upper reinforcement sash part 50 is seated on the upper surface of the 40 and the lower reinforcement sash part 30, and the metal wire 40 is sewn with a Kevlar thread so that the lower reinforcement sash part 30 and the It is configured so as to be fixed between the upper reinforcement patty portion (50).

As described above, installing the metal wire 40 formed in a rectangular shape on the upper outer circumference of both the lower reinforcing strips 30 is at the outer circumference of the insertion hole (b) of the coil steel plate (a) Long-term use of a belt sling consisting of the lower reinforcement sash portions 30 and the upper reinforcement sash portions 50 seated on the metal wire 40 by preventing them from being easily damaged or damaged by the formed sharp edge (d) This is to do.

It is preferable that the metal wire 40 is formed in a rectangular shape on the upper outer circumferential surfaces of both the lower reinforcement sash portions 30, but the metal wire 40 is the upper part of the lower reinforcement sash portions 30 It may be formed as a polygonal body on the circumferential surface.

The diameter of the metal wire 40 is preferably composed of 0.5mm ~ 5mm, but the size of the diameter of the metal wire 40 is not limited.

If the metal wire is less than 0.5mm, there is a problem that the load-bearing force is weak, and the sling belt is cut, and the sling belt must be replaced frequently.

If the metal wire is more than 5mm, it is hard and can be used for a long time, but there is a problem that the coil metal is damaged by using a thick metal wire.

Therefore, the diameter of the metal wire 40 is better to use 0.5mm ~ 5mm.

In addition, a urethane coating layer 80 is formed on the outer circumference of the metal wire 40 to be configured.

As described above, the urethane coating layer 80 formed on the outer circumference of the metal wire 40 increases durability and strength on the outer circumference of the metal wire 40, thereby increasing the insertion hole of the coil steel sheet (a). It is to prevent the metal wire 40 from being damaged or damaged easily on the sharp edges (d) formed on both sides of the upper part of (b).

On the other hand, the metal wire 40 has a square metal wire 40a is installed inside the metal wire 40 installed in a square shape on the outer circumferential surfaces of both the lower reinforcing strips 30, and the metal wire The square metal wire 40b is installed in the inside of 40a, the square metal wire 40c is installed in the metal wire 40b, and the above process is repeatedly performed. .

As described above, the metal wire 40 has a square metal wire 40a installed inside the metal wire 40 installed in a square shape on the outer circumferential surfaces of both the lower reinforcing strips 30, and the The square metal wire 40b is installed inside the metal wire 40a, and the square metal wire 40c is installed inside the metal wire 40b. ) By installing a plurality of metal wires (40) on the upper surface of the plurality of square metal wires (40, 40a, 40b, 40c) are seated on the upper surface of the lower reinforcement sash portion (30) The outer circumference of the insertion hole (b) of the coil steel sheet (a) together with the reinforcement sash portions 30 and the upper reinforcement sash portions 50 seated on the metal wires 40, 40a, 40b, 40c The upper reinforcement sash part 50 which is seated on the lower reinforcement sash parts 30 and the metal wires 40, 40a, 40b, 40c by preventing the sharp edges d formed on the surface from being easily damaged or damaged. This is to ensure long-term use of the belt sling consisting of.

The upper reinforcement sash portion 50 is seated on the upper surface of both the lower reinforcement sash portions 30 having the metal wire 40 on the upper portion, and longitudinal direction on the front and rear surfaces of the outer skin portion 20 It is installed in plurality or more, and is configured to have a predetermined length.

The upper reinforcement sash part 50 is configured by being sewn with Kevlar thread on the upper surfaces of the lower reinforcement sash parts 30 and fixedly installed.

When the upper reinforcement sash portion 50 is sewn on the upper surfaces of both the lower reinforcement sash portions 30, the upper surface of the metal wire 40 installed on the lower reinforcement sash portion 30, and the The metal wire 40 is sewn while being in contact with the upper surface of the lower reinforcement sash part 30 and the lower surface of the upper reinforcement sash part 50, so that the metal wire 40 It is configured not to flow on the upper surface of the reinforcing strip portion 50.

The connecting ring portion 60 is composed of a connecting ring portion 60 installed at one end of the upper reinforcing sash portion 50 at any one of the front and rear surfaces of the outer skin 20.

In addition, it is installed between both of the lower reinforcement sash portion 30, and consists of a central reinforcement sash portion 70 installed on the lower surface of the upper reinforcement sash portion 50.

The central reinforcement sash portion 70 is sewn with Kevlar yarn on the upper surface of the outer skin 20, and the upper reinforcement sash portion 50 is sewn with Kevlar yarn on the upper surface of the central reinforcement sash portion 70 do.

As described above, it is installed between both the lower reinforcement sash portion 30, consisting of a central reinforcement sash portion 70 installed on the lower surface of the upper reinforcement sash portion 50,

A belt sling having both the lower reinforcement sash portions 30 and the central reinforcement sash portions 70 by installing the central reinforcement sash portion 70 in the space formed between the lower reinforcement sash portions 30 When the coil steel sheet (a) is removed from the insertion hole (b), when there is a space between the lower reinforcing sash portions 30, the belt sling portions in which the lower reinforcing sash portions 30 are installed are prevented from being stretched. This is to prevent.

In addition, a urethane coating layer 80 is formed on top of the lower reinforcing sash portion 30, the upper reinforcing sash portion 50, and the central reinforcing sash portion 70 to be configured.

As described above, the urethane coating layer 80 is formed on the lower reinforcing sash portion 30, the upper reinforcing sash portion 50, and the central reinforcing sash portion 70, the coil steel sheet (a) When used to lift, the sharp portion of the inner circumference of the insertion hole (b) of the coil steel sheet (a) is the lower reinforcement sash part 30 and the upper reinforcement sash part 50, and the central reinforcement sash part 70 ), the urethane layer 80 has a corresponding force from the edge (d) that is a sharp portion of the inner circumference of the insertion hole (b) with the urethane layer 80, and the lower reinforcement sash part 30 and the upper reinforcement sash part ( 50), and the central reinforcing belt portion 70 to be protected.

In addition, it is installed between both the upper reinforcement sash portion 50, the lower height reinforcement sash portion 90 provided with the upper reinforcement sash portion 50 is installed and configured.

The lower height reinforcement sash part 90 is sewn with Kevlar thread on the upper surface of the outer skin part 20, and the upper reinforcement sash part 50 is sewn with Kevlar thread on the upper surface of the lower height reinforcement sash part 90 Is composed.

As described above, it is installed between both the upper reinforcement sash portion 50, and the lower height reinforcement sash portion 90 provided with the upper reinforcement sash portion 50 is installed on the upper part of the upper reinforcement sash portion 50 A space is formed between the belts 50 so that a step is formed between the lower reinforcement sash part 30 and the upper reinforcement sash part 50 on the left and right upper surfaces of the belt sling so that the belt sling is connected to the coil steel plate ( When the belt sling is removed from the insertion hole (b) of the coil steel sheet (a) after being inserted into the insertion hole (b) of a), the left and right sides of the belt sling due to the step formed on the left and right sides of the belt sling The insertion hole (b) is caught at the edge of the lower reinforcement sash part 30 installed in any one of the sharp edges (d) formed on the outer circumference of the insertion hole (b), the lower reinforcement sash part 30 ), and the upper reinforcing strip portion 30 is damaged and damaged to prevent long-term use.

On the other hand, the lower reinforcement sash portion 30, the upper reinforcement sash portion 50, the central reinforcement sash portion 70, and the lower height reinforcement sash portion 90 are woven with Kevlar yarn. do.

As described above, the lower reinforcement sash part 30, the upper reinforcement sash part 50, the central reinforcement sash part 70, and the lower height reinforcement sash part 90 are woven with Kevlar yarn. Becomes,

The outer skin portion 20 having the body portion 10 is inserted into the insertion hole (b) of the coil steel plate (a), and formed at both ends of the body portion 10 with the hook (c) of the crane. When lifting with the knot ring part 11, both upper sides of the outer skin part 20 are bent in contact with both sides of the inner side of the insertion hole (b).

At this time, the load of the coil steel sheet (a) is concentrated on both sides of the insertion hole (b). That is, when the load of the coil steel sheet (a) is concentrated on both upper sides of the outer skin part 20, and this process is repeatedly performed continuously for a long period of time, both edges of the outer skin part 20 are damaged, damaged, or damaged. The outer skin portion 20 that the edge of the body portion 10 installed inside the outer skin portion 20 is also damaged, damaged, damaged, or even the outer skin portion 20 and the body portion 10 are cut off. The lower reinforcing sash part 30, the upper reinforcement sash part 50, the central reinforcement sash part 70, and the lower height reinforcement sash part 90 woven with Kevlar yarn installed on the front and rear surfaces of the This is to prevent.

In addition, the lower reinforcement sash portion 30, the upper reinforcement sash portion 50, the central reinforcement sash portion 70, and the lower height reinforcement sash portion 90 is a high-strength kevlar yarn, which is a synthetic fiber yarn. ) The surface of the lower reinforcement sash part 30, the upper reinforcement sash part 50, the central reinforcement sash part 70, and the lower height reinforcement sash part 90 is formed by weaving with yarn Reinforcing durability so as not to damage or damage the edge (d), which is a sharp portion of the inner circumference of the insertion hole (b) of the coil steel sheet (a);

The body part 10, the outer skin part 20, and the connection ring part 60 are woven with synthetic fiber yarn, and the lower reinforcement sash part 30 installed on the upper surface of the outer skin part 20 , Only the upper reinforcement sash portion 50, the central reinforcement sash portion 70, and the lower height reinforcement sash portion 90 are woven with Kevlar yarn to minimize the manufacturing cost of the belt sling of the present invention, thereby reducing the manufacturing cost of the belt sling. It is to save.

On the other hand, the extension strip portion 100 is configured to be installed at one end of the upper reinforcing strip portion 50 at any one selected from the front and rear surfaces of the outer skin portion 20.

It is preferable that the extension band part 100 is woven with Kevlar yarn.

As described above, installing the extension strip portion 100 at one end of both the upper reinforcing strip portion 50;

When the coil steel plate (a) is moved to the moving place and the belt sling is removed from the insertion hole (b) of the coil steel plate (a), the outer skin part 20 is prevented from flowing down, and the extension strip part 100 It is to extend the life of the belt sling by adjusting the bent portions of the outer skin part 20, the lower reinforcing sash part 30, and the upper reinforcing sash part 50 by adjusting the length of the belt sling.

The present invention described above includes the outer skin part 20 inserted into the outer circumference of the body part 10 having the knot ring part 11 and the belt sling woven with high-strength Kevlar yarn, and the outer skin part The metal wire 40 is installed on the upper surface of the lower reinforcement sash part 30 installed in plural on both sides of the front and rear surfaces of 20, the lower reinforcement sash part 30, and the metal wire 40 A plurality of upper reinforcing sash portions 50 of yarn seated on the upper side of the outer skin portion 20 are installed on the upper surface of the outer skin portion 20, and thus the body portion 10 in the insertion hole (b) of the coil steel plate (a) When the outer skin 20 of the outer skin 20 is inserted and bent, the lower reinforcing sash portion 30 and the lower portion are woven with high-strength Kevlar yarn on both sides of the outer skin 20 and provided with the metal wire 40 The upper reinforcement sash part 50 woven with Kevlar yarn on the upper part of the reinforcement sash part 30 is formed on both sides of the upper side of the insertion hole (b) of the coil steel sheet (a) and the coil steel sheet (a) It is to increase the wear resistance and breaking strength of the belt sling by preventing it from being damaged or damaged by the weight of ), thereby increasing the service life of the belt sling.

The embodiments according to the present invention described above are merely exemplary, and those of ordinary skill in the art to which the present invention pertains will appreciate that various modifications and other equivalent embodiments are possible. . Therefore, it will be understood that the present invention is not limited to the form mentioned in the detailed description.

Therefore, the true technical scope of the present invention should be determined by the technical spirit of the appended claims. In addition, the present invention is to be understood as including the spirit of the present invention as defined by the appended claims and all modifications, equivalents and substitutes within the scope thereof.

10: body part 11: knot ring part
20: outer skin 21: insertion
30: lower reinforcement sash portion 40: metal wire
50: upper reinforcement girdle part 60: connection ring part
70: central reinforcing strip 80: urethane coating layer
90: lower height reinforcement sash

Claims (1)

The body portion 10 of the belt sling has a length at each end of which a circular knot ring portion 11 is formed, and an outer skin portion 20 having an insertion portion 21 into which the body portion 10 is inserted; A lower reinforcement sash part 30 installed in plural on the left and right sides of the outer skin part 20 in contact with the edge of the coil steel sheet;
The lower reinforcement sash portion 30 is installed at a distance from each other on the upper surface of the outer skin part 20 to form a space between the lower reinforcement sash portions 30, and the upper portion of the lower reinforcement sash portion 30 A metal wire 40 installed on the outer peripheral surface; While covering the metal wire 40, the lower part is seated on the upper surface of the lower reinforcing strip part 30, and a plurality of pieces are installed longitudinally on the front and rear surfaces of the outer skin part 20, having a predetermined length. An upper reinforcing strip part 50; Consisting of connecting ring portions 60 respectively installed at one end of the upper reinforcement sash portion 50 at any one of the front and rear surfaces of the outer skin 20,
It is installed between both the lower reinforcement sash portion 30, and consists of a central reinforcement sash portion 70 installed on the lower surface of the upper reinforcement sash portion 50,
The metal wire 40 is formed in a rectangular shape on the upper outer circumferential surfaces of the lower reinforcement sash portions 30 installed on the upper surface of the outer skin portion 20 at a distance from each other,
In order for the metal wire 40 to be fixed to the upper surface of the lower reinforcing sash part 30, the upper reinforcing sash part 50 on the upper surface of the metal wire 40 and the lower reinforcing sash part 30 Is seated and sewn with a Kevlar thread so that the metal wire 40 is fixed between the lower reinforcing sash portion 30 and the upper reinforcing sash portion 50,
The installation of the metal wire 40 prevents easily damage and damage to the sharp edge d formed on the outer circumference of the insertion hole b of the coil steel plate a, so that the lower reinforcement strip 30 ) And the upper reinforcement sash portion 50 seated on the metal wire 40 so as to use a belt sling for a long time,
A urethane coating layer 80 is formed on the outer circumference of the metal wire 40,
A urethane coating layer 80 is formed on the lower reinforcing sash part 30 and the upper reinforcing sash part 50 and the central reinforcement sash part 70,
It is installed between both the upper reinforcement sash portion 50, a lower height reinforcement sash portion 90 provided with the upper reinforcement sash portion 50 is installed thereon,
The lower reinforcement sash part 30, the upper reinforcement sash part 50, the central reinforcement sash part 70, and the lower height reinforcement sash part 90 are made of high-strength kevlar yarns, which are artificial fiber yarns. It is woven and configured that the surface of the lower reinforcement sash part 30, the upper reinforcement sash part 50, the central reinforcement sash part 70, and the lower height reinforcement sash part 90 is the coil steel sheet Reinforcing durability so as not to damage or damage the edge (d), which is a sharp part of the inner circumference of the insertion hole (b) of (a),
The body part 10, the outer skin part 20, and the connection ring part 60 are woven with synthetic fiber yarn, and the lower reinforcement sash part 30 installed on the upper surface of the outer skin part 20 , The upper reinforcing sash portion 50, the central reinforcing sash portion 70, and only the lower height reinforcing sash portion 90 are woven with Kevlar yarn to minimize the cost of manufacturing a belt sling. ,A belt sling for transporting heavy loads on both sides of the rear.

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