KR20000006375U - Automatic detection of wire rope wire short circuit of unloader - Google Patents

Abstract

The present invention relates to an automatic detection device of wire rope wire short circuit of the unloader, and installs a base of vertical and horizontal members in front of the wire drum installed inside the machine room of the unloader. A moving member with a pulley is installed to be movable along the wire rope so that it can move like a wire rope having a different position as it is wound on a wire drum. The moving member is wrapped by a wire rope shorted while wrapping the wire rope. By installing the sensing piece to turn on / off the limit switch to cut off the power of the wire drum by the on / off signal of the switch, to prevent the collision of equipment and the fall of the equipment, the operator Checking the condition of the wire rope at any time eliminates the time loss that occurs. As the sensing piece is continuously detected, even if the wire is short-circuited at any place of the wire rope, it is possible to immediately check and take action, thereby preventing a catastrophe in advance.

Description

Automatic device for sensing damage of strand of wire rope for unloader

The present invention relates to an unloader which is a device for unloading various raw materials from the bus bar, and in particular, an unloader which automatically detects a wire short circuit of a wire rope connected to a bucket, which is a raw material collecting device of a facility, to prevent facility accidents. The wire rope wire short circuit automatic detection device of the present invention.

In general, the unloader is a device for loading and unloading various kinds of cargos, and the handling of heavy cargo loaded on the cargo ship is large, and the equipment is large and twists several strands to endure the weight of the cargo. Prefabricated wire ropes will be used.

1 is a state diagram showing an unloader for loading and unloading cargo from a ship, in which a trolley 101 is placed across the mother ship 100 and a loading conveyor at the top of the vertical frame structure, and the trolley 101 is placed. In the moving main trolley 102, a cargo carrying bucket 104 is installed on the wire rope 103, while the cab 105 is located at one side of the trolley guard 101, and the main trolley 102 is located at the front end thereof. And a machine room 107 provided with a wire drum 106 on which the wire rope 103 connected to the bucket 104 is wound and unwound.

Accordingly, the driver located in the cab can move the cargo to the bucket by winding or unwinding the wire rope on the wire drum while looking at the workplace.

Wherein the wire rope is to fully support the weight of the bucket and the cargo carried by the bucket bar, so that some of the wire (strand, 108) constituting the wire rope 103 is broken as shown in FIG. When the load is transferred to the remaining steel wire, there is a risk that the wire rope 103 is completely broken, and thus, a large disaster such as cargo falling or equipment is damaged during cargo transportation occurs.

However, the conventional unloader is not equipped with the equipment for checking the important wire ropes as described above, and by checking the broken state of the wire ropes only with the naked eyes of the operator, the wire rope wire continues to be shorted in one of the five wire rope wires. Due to the work, the tensile strength of the remaining four wire rope wires were weakened, causing frequent problems that the entire wire rope wire was shorted.

The present invention is devised to solve the problems described above, by installing a wire rope wire short circuit automatic detection device in front of the wire drum winding the wire rope to prevent the collision of the main trolley and the bucket fall to protect the facility It is an object of the present invention to provide an automatic device for detecting wire rope short circuits of an unloader, which can be operated smoothly by minimizing maintenance time.

The present invention for achieving the object as described above, the base of the vertical, horizontal member is installed in front of the wire drum inside the machine room, the horizontal member of the base is provided with a moving member having a pulley to be movable along the horizontal member It is installed so that it can move like a wire rope having a different position as it is wound on a wire drum, and the moving piece is rotated by a shorted wire of the wire rope while wrapping the wire rope, so as to turn on / off the limit switch. It is arranged to cut off the power of the wire drum by the on / off signal of the switch.

With the above structure, the wire rope continuously passes through the sensing piece while repeatedly winding and unwinding the wire drum so that the state of the wire rope is continuously detected by the sensing piece. If the sensor is caught in the shorted part, the sensing piece rotates to turn on the limit switch, so that the rotation of the drum can be stopped immediately, thereby preventing a large catastrophe in advance.

1 shows an unloader installation,

Figure 2 is a state diagram showing a state in which the wire rope wire of the unloader is broken,

Figure 3 is a schematic perspective view showing a wire rope wire automatic detection device of the unloader according to the present invention,

4 is a detailed view of a sensing device according to the present invention,

5 is a side view of a sensing device according to the present invention,

6 is a coupling state of the guide roller and the wire rope according to the present invention,

7 is an operational state diagram of the sensing device according to the present invention.

Explanation of symbols on the main parts of the drawings

10 base 11 vertical member

12: horizontal member 20: moving member

21: pulley 22: guide roller

23: pulley base 24: detection unit support

25: roller support 31: sensing piece

32: limit switch 33: switch support

34: mover 35: fixed plate

40: cable hanger 41: cable

42: hanger support 43: hanger rail

44: roller 45: hanger

46: ring

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

Figure 1 is a view showing the unloader installation, Figure 3 is a schematic perspective view showing a wire rope wire short circuit automatic detection device of the unloader according to the present invention, Figure 4 is a detailed view of the detection device according to the present invention. .

According to the above drawings, the unloader has a trolley 101 which traverses the bus carrier 100 and an unloading conveyor at the top of the vertical frame structure, and is placed on the main trolley 102 that moves the trolley 101. While the cargo carrying bucket 104 is installed in the wire rope 103, the cab 105 is located at one side of the trolley leader 101.

In addition, the tip portion has a structure in which a machine chamber 107 is provided with a wire drum 106 on which the wire rope 103 connected to the main trolley 102 and the bucket 104 is wound and unwound.

Accordingly, as the wire drum 106 of the machine room 107 is rotated forward and backward, the wire rope 103 is wound and unwound on the wire drum 106 to operate the main trolley 102 and the bucket 104. .

The present invention is to enable the automatic detection of the state of the wire rope 103, the wire rope 103 installed in front of the wire drum 106 inside the machine room 107 is wound on the wire drum 106 Sensing unit for stopping the wire drum 106 by detecting the state of the wire, and the movement for moving the sensing unit along the wire rope 103 that moves in the longitudinal direction of the drum 106 while winding and unwinding the drum 106 It consists of wealth.

Therefore, the wire drum 106 is automatically stopped when it is detected that the wire 108 of the wire rope 103 is broken by the detection unit, and an equipment accident caused by continuously using the broken wire rope 103 is performed. Will be able to prevent.

Here, the moving part installs a base 10 made of vertical and horizontal members 11 and 12 in front of the wire drum 106 in the machine room 107 and the base placed in the longitudinal direction of the wire drum 106. The horizontal member 12 of the 10 is provided with a moving member 20 provided with a pulley 21 so as to be free to move in the longitudinal direction of the drum 106 along the horizontal member 12.

That is, the horizontal member of the base 10 serves as a rail to which the pulley 22 of the movable member 20 can travel 12.

And the movable member 20 is fixed to the guide roller 22 in contact with the side of the wire rope 103 to prevent the vibration of the wire rope 103 while the movable member 20 to the wire drum 106 As it is wound, it is possible to move like a wire rope 103 having a different position.

Therefore, the moving member 20 is moved along the direction of movement of the wire rope 103 by the guide roller 22 in contact with the wire rope 103, the pulley 21 installed on the moving member 20 is a horizontal member Sliding along (12) to move along the longitudinal direction of the wire drum 106 as the wire rope 103 moves, and to fix the wire rope 103 to prevent the vibration of the wire rope 103 in progress Done.

In addition, the sensing unit is rotated to face each other with two semi-circular sensing pieces 31 surrounding the surface of the wire rope 103 on the support fixed to the moving member 20 with the wire rope 103 in between. It is installed so that it is rotated by the shorted wire wire 108 of the wire rope 103, the limit switch 32 is turned on / off in accordance with the rotation state of the sensing piece 31 on the rotating shaft of the sensing piece 31 ) To cut off the power of the wire drum 106 by the on / off signal of the switch 32.

With the above structure, when the wire 108 is short-circuited at any place of the wire rope 103, the sensing piece 31 is rotated to turn on the limit switch 32 by catching on the short-circuited portion, thus the drum 106 ) Can be stopped immediately.

According to a preferred embodiment of the present invention, the base 10 has a rectangular structure so that two horizontal members 12 are placed, and the pulley 21 of the movable member 20 is seated on each horizontal member 12. To allow the movable member 20 to be safely placed on the base 10.

In addition, the movable member 20 is connected to the pulley base 23 connecting the pulley 21 seated on the horizontal member 12 and the pulley base 23 of each horizontal member 12 at both ends thereof. It consists of a sensing unit support 24 to which a sensing unit for detecting the wire rope 103 is mounted, while a roller support 25 is attached to the middle of the sensing unit support 24, and a wire is attached to the tip of the roller support 25. The guide roller 22 is fixed to the rope 103 to prevent the vibration from coming into close contact with both sides, and the wire strip 103 is wound around the wire drum 106 and the sensing piece 31 is caused by frequent vibration generated as it is loosened. It is possible to prevent the malfunction of the moving member 20 to move along the horizontal member 12 of the base 10.

Here, the guide roller 22 bends the roller surface inward to the same curved surface as the wire rope 103 as shown in FIG. 5, thereby minimizing deviation by increasing the contact area with the wire rope 103 and smoothly rolling motion. It is desirable to minimize the vibration.

In addition, both ends of the sensing unit support 24 is bent downward, and the sensing unit is installed at each of the bent ends, the switch support 33 is fixed to the both ends of the wire rope (2) The limit switch 32 and the sensing piece 31 for detecting the wire state of the 103 are provided.

That is, the sensing unit installs the limit switch 32 on the upper and lower ends of the switch support 33 to face each other around the wire rope 103, and the limit switch 32 is rotated while the limit switch 32 is rotated. The mover 34 is provided to turn on / off the contact of each, and the semi-circular sensing piece 31 is provided at the tip of the mover 34 to closely wrap the surface of the wire rope 103. Thus, when the sensing piece 31 is caught and rotated by the wire wire 108 protruding outward from the wire rope 103, the limit switch 32 is turned on / off.

On the other hand, the connecting cable 41 of the limit switch 32 is fixedly arranged along the side of the switch support 33 and the upper side of the sensing support unit 24 and the cable hanger 40 installed on the side of the base 10 Supported to prevent sag to prevent accidents such as winding wire rope 103, etc. during the operation of the facility.

Wherein the cable hanger 40 is a hanger support 42 which is erected a predetermined height on the side of the base 10, hanger rail 43 is installed in the longitudinal direction of the wire drum 106 on the top of the hanger support 42, this The hanger 45 is provided with a roller 44 so as to be movable along the rail 43, and the cable 41 is hooked and fixed to the hook 46 provided at the bottom of the hanger 45.

Therefore, while the wire rope 103 continuously passes through the sensing piece 31 during the unloader operation, the state of the wire rope 103 is continuously detected by the sensing piece 31, and thus, anywhere in the wire rope 103. When the wire 108 is short-circuited, the sensing piece 31 is rotated to turn on the limit switch 32 by catching the short-circuited portion, and thus, the rotation of the drum 106 can be stopped immediately, thereby preventing a large catastrophe in advance. You can do it.

Here, reference numeral 47 is a distribution side for distributing the cable 41 to both switches 32, and 35 is a fixing plate for fixing the limit switch 32 to the support.

Hereinafter will be described the operation and effect of the wire rope wire short detection device according to the present invention.

As shown in FIGS. 3, 4, and 6, when the unloader is operated in a state where the sensing device of the present invention is mounted, the wire rope 103 passes through the sensing piece 31 of the sensing unit and is connected to the wire drum 106. Coiled and loosened.

In this case, the wire rope 103 is wound around the wire drum 106 and moved along the longitudinal direction of the wire drum 106 as it is released. The moving member 20 provided with the sensing unit has a length of the wire drum 106. The pulley 21 is placed on the horizontal member 12 of the base 10 placed in the direction, and the pulley 21 slides on the horizontal member 12 to move the moving member 20 to the wire rope 103. As the wire rope 103 is moved by the guide roller 22, the sensing piece 31 of the sensing unit is always on the same line as the wire rope 103.

Therefore, the wire rope 103 is to pass through the sensing piece 31 at all times during the operation of the unloader to be checked for damage.

As such, as shown in FIG. 6 during the operation of the unloader, if the wire 108 is broken and broken as long as the wire rope 103 is formed, the broken wire 108 is broken by the tension of the wire 108. When the bar is protruded outwardly, the wire strip 103 continues to be touched while the sensing piece 31 is touched while the sensing piece 31 passes through the sensing piece 31. As it moves, the attached mover 34 is rotated from the limit switch 32.

Accordingly, as the mover 34 is rotated, the limit switch 32 is turned on or off, and the signal of the switch 32 is sent to the control room (not shown) through the cable 41 to the wire drum 106. ) Will be stopped.

The sensing piece 31 is a semi-circular structure that is curved to have the same curvature of the wire rope 103, and is positioned up and down with respect to the wire rope 103 to surround the wire rope 103. As such, even if the wire 108 is shorted anywhere on the surface of the wire rope 103 is caught by the sensing piece 31.

By passing the wire wire 108 through the fixed sensing piece 31 as described above, the short-circuit state of the wire rope 103 passing through the sensing piece 31 continuously and automatically is wound and wound around the wire drum 106 during the unloader operation. Will be detected.

Meanwhile, as shown in FIG. 4, the cable 41 connected to the limit switch 32 is supported by a plurality of hangers 45 installed on the hanger rails 43 to prevent sag, and the movable member 20 is horizontal. When moving along the member 12, the hanger 45 is also moved along the hanger rail 43 by the roller 44 provided in the hanger 45 to move the cable 41 to the cable 41 As a result, the movement of the movable member 20 is not disturbed.

As described above, according to the automatic detection device of wire rope wire short circuit of the unloader according to the present invention, it prevents the collision of equipment and the fall of equipment, and the time that occurs when the operator checks the condition of the wire rope from time to time due to the absence of the equipment. Eliminating the loss, and the condition of the wire rope is continuously detected by the sensing piece, even if the wire is short-circuited at any place of the wire rope can be checked immediately to take action, to prevent large catastrophe in advance will be.

Claims (1)

A trolley 101 is placed across the busbar 100 and the unloading conveyor at the top of the vertical frame structure, and the bucket for transporting cargo with the wire rope 103 is placed on the main trolley 102 that moves the trolley 101. While the trolley 104 is installed, the cab 105 is located at one side of the trolley rider 101, and the wire rope 103 connected to the main trolley 102 and the bucket 104 is wound and unwound at the front end thereof. In the unloader equipment having a structure that is equipped with a machine chamber 107 is installed drum 106, A sensing unit for stopping the wire drum 106 by detecting the wire state of the wire rope 103 which is installed in front of the wire drum 106 inside the machine room 107 and wound around the wire drum 106, and the drum 106. ) And a moving part for moving the sensing part along the wire rope 103 moving in the longitudinal direction of the drum 106 while being wound and unwound, wherein the moving part is located in front of the wire drum 106 inside the machine room 107. The base 10 of the vertical and horizontal members 11 and 12 is installed, and the horizontal member 12 of the base 10 placed in the longitudinal direction of the wire drum 106 is disposed along the horizontal member 12. A moving member 20 provided with a pulley 21 is installed to move freely in the longitudinal direction of the 106, and the moving member 20 includes a pulley base for connecting the pulley 21 seated on the horizontal member 12 ( 23) and the trolley base 23 of each horizontal member 12, It consists of a sensing unit support 24 to which the sensing unit for detecting the ear rope 103 is mounted, while a roller support 25 is attached to the middle of the sensing unit support 24, and a wire is attached to the tip of the support 25. The guide roller 22 is fixedly installed to prevent the vibration from closely contacting the rope 103 at both sides, and the sensing unit 33 is installed at the tip of the sensing unit support 24 fixed to the moving member 20. The limit switch 32 is installed on the wire rope 103 so as to face each other, and the limit switch 32 is rotated to move the contactor of the limit switch 32 on / off. 34 are respectively provided, and semi-circular sensing pieces 31 are provided at the front end of the movable element 34 to close the surface of the wire rope 103, and are short-circuited to protrude outside the wire rope 103. The sensing piece 31 is caught in the iron wire 108 Therefore, the limit switch 32 is turned on and off, and the wire rope wire short circuit automatic of the unloader, characterized in that the structure to cut off the power of the wire drum 106 by the on / off signal of the switch 32 Sensing device.