KR20220149959A - Wire rope safety device for fall prevention - Google Patents

Abstract

The present invention relates to a wire rope safety device for fall prevention. On props having a work inspection path at a high-rise location such as an overhead crane, a wire rope for connecting the clip of a safety belt worn by a worker for the safety agasint falling of the worker is installed horizontally by supports. The support has a fixing portion fixed to the prop by fastening members, and a rope support portion bent from the fixing portion at a right angle and having one end through which the wire rope passes and which supports the wire rope. The wire rope has a carrier movably provided to travel along the wire rope and via the wire rope and the support along with the movement of the worker after hung on the clip of the safety belt of the worker. Among the supports, the support at a location at which the wire rope starts, and a support at a location at which the wire rope ends have a buffer member connected to one end of the wire rope to maintain the horizontal tension of the wire rope, and a turnbuckle connected to the buffer member to adjust the tension, which are connected and installed thereon. Therefore, the worker-side clip is connected to the carrier and the carrier can pass through the support, to omit an operation in which the worker releases the clip from the wire rope and hangs the same on the wire rope leading to the next support as in an existing wire rope safety device, so that an unexpected fall can be prevented during inspection work or movement at a high-rise location.

Description

Wire rope safety device for fall prevention

The present invention relates to a wire rope safety device for preventing fall, and more particularly, an inspection road installed on the lower side of the running section of an overhead crane installed by a steel structure in a factory or a large warehouse, etc. By improving the wire rope safety device installed on the side for safe movement of workers, it is more convenient for workers moving along the inspection route to check the crane and crane-related cables and other maintenance parts along the inspection route, and to the cab side of the crane. It relates to a wire rope safety device for preventing a fall so that movement for boarding can be made safely.

As is well known, overhead cranes are installed inside large factories to move and unload heavy machinery and subsidiary materials.

On both sides of the factory equipped with a large-scale overhead crane facility, girders and rails for poles and crane installation are installed, and the overhead crane equipped with single or double girders on the rails moves forward and backward along the rails, and is left and right independently of the crane. A movable hoisting device is operated to transport heavy cargo, machinery, and subsidiary materials from the relevant location.

Although it depends on the size, most of the overhead cranes are located at a height of 15 to 25M. For small-scale overhead cranes, the operator controls the operation of the crane using a controller on the ground, and for large-scale overhead cranes, the girder of the overhead crane is separate. It is operated in the form of directly operating the crane by moving from the ground to the cab of the overhead crane through the props by providing an operating room in the building.

An inspection path is installed in the structure where the overhead crane is installed, and the inspection path is provided at a high position where a relatively narrow foothold intersects from the holding side. One worker moves to the side or follows the inspection route to find the power cables and repair parts connected to the crane, and to check and repair them.

Looking at the crew technology for the overhead crane facility-related inspection path as described above, Republic of Korea Patent No. 10-1032366 (Name: Horizontal load support structure of integrated crane with multi-purpose inspection path, registration date: April 25, 2011, hereinafter, This is referred to as 'Patent Document 1').

As described above, the inspection path in the crane facility is usually installed with a narrow width, and since the worker moving the inspection path moves from a high position, the registration room No. 20-0461050 (name: fall prevention safety device, Registration date: June 13, 2012, hereinafter referred to as 'Patent Document 2'), wear a seat belt so that you can move safely.

The second ring (hereinafter, referred to as 'clip') presented in Patent Document 2 moves by hanging on a wire rope installed horizontally at a high position, and unwinds the clip from the support that penetrates the wire rope and continues to the next section of the wire rope I was able to walk back on and move on.

As described above, most of the supports that pass through the wire rope are fixedly installed on the outer wall of each post equipped with a ceiling crane. The process is more careful at high altitude, and the disadvantage of being exposed to a fall accident is pointed out.

The present invention was invented to solve the problems of the related art as described above, and by improving the wire rope safety device, the clip of the seat belt worn by the worker is hung on the body and the clip hung on the wire rope when moving along the inspection route is removed. With a simple operation in the moving section without completely releasing it, the operator can safely move through the wire rope side support section as it is, check the crane, cables and other maintenance parts related to the crane, and get on the crane’s cab side. An object of the present invention is to provide a wire rope safety device for fall prevention.

According to the present invention for achieving the above object, a handrail-type work inspection path for moving to the overhead crane side or checking a running section related to the overhead crane is provided on the upper part of the post inside the building in which the overhead crane is installed, and the operation check On each post on the upper side of the furnace, a wire rope connecting the clip of the safety belt worn by the worker is installed through multiple supports horizontally for the fall safety of the worker moving to the work inspection route. Wire rope safety for fall prevention In the device,

The support is bent at right angles from the fixing part and the fixing part fixed to the pole by the fastening member, and one end of the rope support part penetrating and supporting the wire rope is provided integrally, and the wire rope is hung with the operator's seat belt side clip. A carrier that travels via a wire rope and a support along the wire rope along with the movement of the operator is movably provided, and among the supports, the support of the position where the wire rope starts and the support where the wire rope ends has one end of the wire rope and It is connected to the buffer member for maintaining the tension of the wire rope horizontally and is connected to the buffer member, characterized in that the turnbuckle for tension adjustment is connected and configured.

The carrier according to the present invention, a plurality of shaft holes are formed on one surface, a support plate through which a long hole is formed in a lower portion between the shaft holes, and a first set screw shaft penetrating through the shaft hole of the support plate is rotatably installed on the support. A plurality of guide rollers whose periphery is rolled in contact with each other in the form of accommodating the upper part of the wire rope positioned transversely by the and a rotating member provided with a round part and a lower part of the round part that are connected to flow up and down and fixedly connected to support the lower part of the wire rope on which the guide roller is seated, and the extended end is provided with a hook hole connected to the operator's side clip, and the guide It is characterized in that the fixing plate, which coincides with the shaft hole of the support plate on which the roller is installed, and has a shaft hole passing through the first fixing screw shaft, is padded and fastened as a fixing nut.

The round portion of the rotating member according to the present invention is characterized in that the rope guide groove for accommodating the lower portion of the wire rope is formed.

The wire rope safety device for fall prevention according to the present invention connects the operator's side clip to the carrier side and the carrier side on the wire rope horizontally installed on the upper side of the work inspection path located at a high place where the ceiling crane is installed. Because it can move with a structure that passes through it, the operator can omit the operation of releasing the clip from the wire rope and hanging it on the wire rope leading to the next support, as in the past, preventing unexpected fall safety accidents when moving at a high position. It has a preventable effect.

1 is a perspective view showing a wire rope safety device according to the present invention;
Figure 2 is a perspective view showing the separation of the carrier of the safety device according to the present invention,
Figure 3 is a front view illustrating a state in which the operator's seat belt side is connected to the wire rope of the safety device according to the present invention and the overhead crane is moved to the installed inspection road;
4 is a cross-sectional view showing a state in which the carrier according to the present invention is mounted on a wire rope;
5 is an enlarged view showing the connection state of the buffer member, the turnbuckle, the support and the wire rope according to the present invention;
6 is a cross-sectional view taken along line AA of FIG. 4;
7 is a cross-sectional view sequentially showing a state in which the carrier passes from the wire rope to the support and the wire rope according to the present invention.

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

Prior to this, the terms or words used in the present specification and claims should not be construed as being limited to conventional or dictionary meanings, and the inventor should properly understand the concept of the term in order to best describe his invention. Based on the principle that it can be defined, it should be interpreted as meaning and concept consistent with the technical idea of the present invention.

Accordingly, the embodiments described in this specification and the configurations shown in the drawings are only the most preferred embodiment of the present invention, and do not represent all of the technical spirit of the present invention, so at the time of the present application, they can be replaced It should be understood that various equivalents and modifications may exist.

The present invention will be described with reference to the accompanying Figures 1 to 7 as follows.

On the upper part of the post (1) inside the building in which the overhead crane 10 is installed, a handrail-type work inspection path 2 for moving to the overhead crane side or checking the running section related to the overhead crane is provided, and the work inspection path ( In each post (1) on the upper side of 2), a wire rope (3) connecting the clip (C) of the safety belt worn by the worker for fall safety of the worker moving to the work inspection path is horizontally provided with a plurality of supports (4). ) in the wire rope safety device for fall prevention installed through,

The support 4 is bent at a right angle from the fixing part 4-1 and the fixing part 4-1 fixed to the post 1 with the fastening member S, and one end of the wire rope 3 is passed through. A rope supporting part (4-2) for supporting is provided integrally, and the wire rope (3) along the wire rope (3) with the operator's movement by hanging the operator's seat belt side clip (C) on the wire rope (3) And the carrier (5) traveling via the support (4) is provided movably, the support of the wire rope (3) of the support (4), the support of the starting position and the wire rope on the support where the end of the wire rope It is connected with the buffer member 6 for maintaining the tension of the wire rope horizontally and is connected to the buffer member and the turnbuckle 7 for tension adjustment is connected and configured.

The rope support part 4-2 of the support 4 is left or right with respect to the front side of the post as shown in the drawing at a length that can reduce the interference of the wire rope 3 with respect to the outer surface of the post 1 as much as possible. It is preferable to be attached and installed at once.

On the other hand, the rope support part 4-2 of the support 4 is a cylindrical member such as a pipe welded to the end of the plate, and both ends of the rope support part 4-2 are guide rollers 5 to be described later. 2) and the round part (5c) of the rotating member (5-3) is not separated, and the rope support part (4-2) is used as a guide so that it can pass through.

On the other hand, the buffer member 6 has connection parts on both sides of the body and a tension spring is provided on the inside so that one end is supported by the turnbuckle 7 so that it can be relaxed and contracted in the left and right directions according to the tensile force of the wire rope. .

On one side of the buffer member 6, an assembly capable of penetrating and supporting two strands of wire rope is connected to the end of the wire rope by fastening the rope finishing fixing member 8, which is divided back and forth, and the fixing screw and the nut passing through the assembly. close the

As shown in the attached Figure 2, the carrier 5 installed movably along the wire rope 3 has a plurality of shaft holes 5a formed on one surface, and a long hole in the lower portion between the shaft holes 5a ( The support plate 5-1 through which 5b) is formed, and the first fixing screw shaft S1 penetrating through the shaft hole 5a of the support plate 5-1 are rotatably installed on the support plate 4 A plurality of guide rollers 5-2 whose periphery is rolled in contact in a form to accommodate the upper part of the wire rope 3 positioned transversely, and a connection hole 5c-1 on one side are provided for the support plate 5-1 ) coincident with the long hole (5b) of the second fixing screw shaft (S2) and the fixing nut (N) on one side of the wire rope (3) is connected to rotate and flow up and down and fixed, the guide roller (5-2) is seated (3) ) extending to the lower part of the round part (5c) and the round part (5c) supporting the lower part of the rotating member (5-3) provided with a hook hole (5d) connected to the clip (C) on the operator's side at one end of the extension And, the fixing plate 5 - which coincides with the shaft hole 5a of the support plate 5-1 on which the guide roller 5-2 is installed and the shaft hole 5e penetrating the first fixing screw shaft S1 is formed. 4) is padded and fastened with a fixing nut (N).

The round part 5c and the guide roller 5 of the rotating member 5-3 connected to the long hole 5b of the support plate 5-1 as the second fixing screw shaft S2 and the fixing nut N The width of -2) is preferably manufactured to a thickness that can accommodate the thickness of the wire rope (3).

In addition, the rotation member (5-3) for the guide roller (5-2) according to the thickness of the wire rope (3) is a second fixing screw shaft (S2) from the long hole (5b) of the support plate (5-1) (S2) It is installed by determining the fixed position of the

On the other hand, a rope guide groove (5c-2) for accommodating the lower portion of the wire rope (3) is formed in the round portion (5c) of the rotating member (5-3).

For reference, in the case of a ceiling crane, a support part is built on the upper side of a post that is built at equal intervals on both sides of a building with a high indoor ground height, a running girder is built on the upper surface of this support part, and a running girder is built on the upper surface of the running girder. It is equipped with rails on which the crane can run, and the overhead crane is a facility in which a hoisting device for traction and moving a heavy object is mounted so as to run in the left and right directions.

The vertical post is provided with a ladder part (not shown in the drawing) that the operator can climb to the crane side, and on the upper side of the post where this ladder part ends, the above-mentioned work inspection path is installed in parallel with the running girder so that the operator can It is possible to move up to the overhead crane through the work inspection path.

The use of the wire rope safety device for fall prevention according to the present invention configured as described above, the worker who climbed up to the work inspection path 2 through the holding post (1) is a wire rope fixed horizontally in the holding section where the work inspection path is connected (3) The seat belt side clip (C) worn by the operator is directly hung on the hanging hole (5d) on the rotating member (5-3) side of the carrier (5) movably provided in the carrier (5), or hung on the hanging hole (5d) Hang the placed binner.

In the above state, the operator can move along the narrow work inspection path 2 to the position to be moved.

This is to allow safe movement to the cab of the overhead crane 10, and according to the movement of the operator, the carrier connected through the clip (C) connected by the strap from the operator's seat belt moves along the wire rope maintained horizontally. Falls can be prevented in advance.

The guide roller 5-2 of the carrier 5 moving along the wire rope 3 is the upper part of the wire rope, and the lower part of the wire rope 3 is the round part 5c of the rotating member 5-3. is supported and can be moved without departing from the wire rope (3).

As described above, the wire rope in the state where the operator moves is connected to the clip on the operator's side as much as possible, and rope tension is generated by the running of the carrier 5, which is the point where the wire rope starts and ends among the support 4 It maintains the tension of the wire rope of the buffer member (6) for maintaining the tension of the wire rope horizontally connected to the support side of the wire rope in the most taut state.

The rotation member 5-3 for the guide roller 5-2 of the carrier 5, which moves along the wire rope 3 kept as horizontal as possible as described above, is a long hole of the support plate 5-1. Since it is installed from (5b), as shown in the attached FIG. 7, it is in close contact with the outer diameter portion of the rope support part 4-2 of the support 4 and moves while supporting the lower part of the rope support part 4-2. and the guide roller 5-2 passes through the upper portion of the rope support 4-2 to allow the wire rope 3 to pass through the rope support portion without being separated naturally.

A rope guide groove 5c-2 in the form of accommodating the lower portion of the wire rope 3 relative to the guide roller 5-2 is formed in the upper round portion 5c of the rotating member 5-3, Because there is a wire rope (3) and the support (4) of the rope support (4-2) to allow it to pass naturally without separation.

The above is an unnecessary operation that requires the operator to release the clip from the wire rope before the support in the next position while passing the support section, hang the clip again on the wire rope passing through the support, and move the existing existing risk of falling. It can solve the problem, and it is possible to ensure the safety of the workers moving along the work inspection path at the high position.

As described above, in the present invention, specific matters such as specific components, etc., and limited embodiments and drawings have been described, but these are only provided to help a more general understanding of the present invention, and the present invention is not limited to the above embodiments. , various modifications and variations are possible from these descriptions by those of ordinary skill in the art to which the present invention pertains.

Therefore, the spirit of the present invention should not be limited to the described embodiments, and not only the claims to be described later, but also all those with equivalent or equivalent modifications to the claims will be said to belong to the scope of the spirit of the present invention. .

1: Shoring 2: Work Inspection Furnace
3: wire rope 4: support
4-1: fixed part 4-2: rod support part
5: Carrier 5a, 5e: shaft hole
5b: long hole 5c: round part
5c-1: Connection hole 5c-2: Rope guide groove
5-1: support plate 5-2: guide roller
5-3: rotating member 5-4: fixed plate
6: buffer member 7: turnbuckle
8: rope finish fixing member 10: overhead crane
C: Clip

Claims (3)

On the upper part of the post (1) inside the building in which the overhead crane 10 is installed, a handrail-type work inspection path 2 for moving to the overhead crane side or checking the running section related to the overhead crane is provided, and the work inspection path ( In each post (1) on the upper side of 2), a wire rope (3) connecting the clip (C) of the safety belt worn by the worker for fall safety of the worker moving to the work inspection path is horizontally provided with a plurality of supports (4). ) in the wire rope safety device for fall prevention installed through,
The support 4 is bent at a right angle from the fixing part 4-1 and the fixing part 4-1 fixed to the post 1 with the fastening member S, and one end of the wire rope 3 is passed through. A rope support part (4-2) to support is provided integrally,
The wire rope (3) has a carrier (5) traveling via the wire rope (3) and the support (4) along the wire rope (3) with the worker's movement by hanging the operator's seat belt side clip (C). It is movable and
A buffer member 6 and a buffer member for maintaining the tension of the wire rope horizontally by being connected to one end of the wire rope on the support of the support 4 where the wire rope 3 starts and the support where the wire rope ends Wire rope safety device for fall prevention, characterized in that the turnbuckle (7) for tension adjustment is connected and configured in connection with the connection.
The method of claim 1,
The carrier (5) has a plurality of shaft holes (5a) formed on one surface, and a support plate (5-1) through which a long hole (5b) is formed in the lower portion between the shaft holes (5a);
It is rotatably installed on the first fixing screw shaft (S1) penetrating through the shaft hole (5a) of the support plate (5-1) to accommodate the upper portion of the wire rope (3) positioned transversely by the support (4) A plurality of guide rollers (5-2) that the periphery rolls in contact with the shape,
A connection hole (5c-1) is provided on one side and coincides with the long hole (5b) of the support plate (5-1) so that one side is rotated and moved up and down and fixed with a second fixing screw shaft (S2) and a fixing nut (N) It is connected to be connected so as to extend to the lower part of the round part 5c and the round part 5c that support the lower part of the wire rope 3 on which the guide roller 5-2 is seated, and at one end of the extension, the operator's side clip (C) ) and a rotating member (5-3) provided with a hanging hole (5d) connected to,
A fixing plate 5-4 having a shaft hole 5e that is aligned with the shaft hole 5a of the support plate 5-1 on which the guide roller 5-2 is installed and passes through the first fixing screw shaft S1 is formed (5-4) A wire rope safety device for fall prevention, characterized in that it is fastened with a padded fixing nut (N).
3. The method of claim 2,
Wire rope safety device for preventing fall, characterized in that the rope guide groove (5c-2) for accommodating the lower part of the wire rope (3) is formed in the round part (5c) of the rotating member (5-3).

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