KR20120087535A - Hoist wire rope sensory device - Google Patents

Hoist wire rope sensory device Download PDF

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Publication number
KR20120087535A
KR20120087535A KR1020110008783A KR20110008783A KR20120087535A KR 20120087535 A KR20120087535 A KR 20120087535A KR 1020110008783 A KR1020110008783 A KR 1020110008783A KR 20110008783 A KR20110008783 A KR 20110008783A KR 20120087535 A KR20120087535 A KR 20120087535A
Authority
KR
South Korea
Prior art keywords
wire rope
cover member
hoist
unit
output
Prior art date
Application number
KR1020110008783A
Other languages
Korean (ko)
Inventor
안치성
Original Assignee
산일전기 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 산일전기 주식회사 filed Critical 산일전기 주식회사
Priority to KR1020110008783A priority Critical patent/KR20120087535A/en
Publication of KR20120087535A publication Critical patent/KR20120087535A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/28—Other constructional details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/54—Safety gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D3/00—Portable or mobile lifting or hauling appliances
    • B66D3/18—Power-operated hoists
    • B66D3/26—Other details, e.g. housings
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D2700/00—Capstans, winches or hoists
    • B66D2700/02—Hoists or accessories for hoists
    • B66D2700/023—Hoists
    • B66D2700/025—Hoists motor operated

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Control And Safety Of Cranes (AREA)

Abstract

The present invention relates to a wire rope detecting device for a hoist, the object of which is installed on the cover member of the hoist which is provided to be movable in one direction and the other direction on the rail installed on the ceiling to move the heavy object to the desired position. The wire rope is configured to sense the danger by detecting an unbalanced winding of the wire rope drum or the wire rope is broken, so that an accident due to wire cutting can be prevented in advance. The cover member is provided to prevent the inflow of foreign matter to the wire rope side wound by the wire rope drum, and the wire rope is imbalanced on the wire rope drum to be fixed to the outer surface of the cover member to lift the heavy object. Wire rope as the weight swings as it is wound A sensor unit provided to detect the strike of the cover member or the bottom of the cover member by breaking the wire rope, and the sensor unit connected to the sensor unit to receive and output a signal sensed by the sensor unit. It is achieved by including an output unit provided, and a notification unit provided to receive a signal output from the output unit to notify the operator.

Description

Hoist wire rope sensory device for hoist

The present invention relates to a wire rope detecting device for a hoist, and more particularly, is installed on a cover member of a hoist provided to be movable in one direction and another in a rail installed on a ceiling to move a heavy object to a desired position. Wire rope detection device for hoist to prevent the accident caused by cutting of wire rope by sensing the wire rope unevenly wound on the war rope drum or by detecting the breakage of the wire rope. It is about.

 In general, the electric hoist has a function of lifting the heavy object to move to the desired position while moving to the front, rear and left, right by riding the rail installed on the ceiling.

The electric hoist has a motor installed in the main body moving along the rails installed on the ceiling, the shaft rotating according to the driving of the motor is connected to the reducer for reducing the rotational speed of the motor, the final reduction gear installed in the reducer The fixed shaft is fixed to the wire rope drum on which the wire rope is wound in a spiral direction on the outer circumferential surface thereof.

When carrying a heavy object using the hoist configured as described above, first, the heavy object is hung on the hook while the wire rope wound on the wire rope drum is loosened.

Thereafter, when the motor is driven, the rotation speed of the motor is decelerated by the speed reducer to slowly rotate the wire rope drum, so that the wire rope that has been loosened is gradually wound on the wire rope drum, thereby increasing the weight suspended on the hook.

When the heavy object rises, the main body moves along the rail by driving a motor which is a driving source of the main body, so that the heavy object suspended on the hook moves.

Accordingly, the heavy object suspended from the hook can be transported to a desired position.

However, the conventional hoist made as described above does not have to be wound in a spiral direction in a spiral direction while the wire rope is wound up in the wire rope drum, so that the wire rope is unbalancedly wound or the wire rope is broken. In this case, since the work is accommodated without a sensing means for detecting this, there is a problem that the wire rope is broken during continuous work, which may lead to a large accident.

Accordingly, the present invention has been made in order to solve the above-described problems, it is installed on the cover member of the hoist which is provided to be movable in one direction and the other direction on the rail installed on the ceiling to move the heavy object to the desired position It provides a hoist wire rope detection device that can prevent an accident due to wire cutting by configuring the wire rope to be unbalancedly wound on the war rope drum or to sense the danger of the wire rope being broken. Has its purpose.

The present invention for achieving the above object is a main body provided to be movable in one direction and the other direction along the rails installed on the ceiling, the drive motor is provided with a forward and reverse drive corresponding to the power applied to the main body, A reducer provided to reduce the number of rotations of the drive motor on the axis of rotation according to the drive of the drive motor, a wire rope drum connected to the reducer, the wire rope is connected to the outer circumferential surface so as to be wound in a spiral direction And a hoist wire rope detecting device installed in a hoist configured of a control switch provided with a plurality of operation buttons to control movement of the main body and driving of the driving motor. A coil wound around the wire rope drum by being fixed to the main body The cover member is provided to prevent the inflow of foreign matter to the side of the rope, and the wire rope is fixed to the outer surface of the cover member as the wire rope is unevenly wound on the wire rope drum to lift the heavy object A sensor unit provided to be able to detect the hitting the cover member or the bottom surface of the cover member by breaking the wire rope, and being connected to the sensor unit and receiving a signal sensed from the sensor unit to output the sensor unit. And an output unit provided to receive the signal output from the output unit, and a notification unit provided to notify the operator.

In addition, the sensor unit is fixed to the upper surface of the cover member and the wire rope as the heavy rope swings as the wire rope is irregularly wound on the wire rope drum cover the cover member or the wire rope is broken by breaking the wire rope It is formed in the shape of a plate to apply the signal sensed to the output side by detecting the bottom of the member, an extension piece is formed so that the receiving space is formed by extending in one direction on the other edge, the hole for fixing in the corner The hole is provided by the upper plate member and the plurality of sensing sensors provided to be able to sense the impact force delivered to the receiving space portion of the upper plate member, the one surface is fixed to the extension piece of the upper plate member A communication hole is formed in the corner portion so as to communicate with the sensing sensor built into the receiving space And a lower plate member which is provided to be protected, one end is inserted between the lower plate member and the upper member characterized by consisting of a line is provided connected to sensors and one end is connected.

According to the wire rope detection device for a hoist according to the present invention as described above, it is installed on the cover member of the hoist which is provided to be movable in one direction and the other direction on the rail installed on the ceiling in order to lift the heavy object to move to the desired position. Since the wire rope is configured to sense an unbalanced winding of the wire rope drum or the wire rope is broken, it is possible to prevent the accident due to the wire cutting.

1 is a side view showing a state in which a wire rope detecting device for a hoist according to the present invention is installed.
2 is a view showing an installed state of the hoist wire rope detection apparatus according to the present invention.
3 is a cross-sectional view illustrating a sensor unit of the hoist wire rope detecting device according to the present invention.

Hereinafter, an embodiment of the hoist wire rope detection apparatus according to the present invention will be described in detail.

First, it should be noted that, in the drawings, the same components or parts have the same reference numerals as much as possible. In describing the present invention, a detailed description of known functions and configurations incorporated herein will be omitted so as not to obscure the gist of the invention.

As shown, the wire rope detecting device for the hoist according to the present invention is installed on the cover member of the hoist which is provided to be movable in one direction and the other direction on the rail installed on the ceiling in order to lift the heavy object and move it to the desired position. It is configured to detect an unbalanced winding of the wire rope drum or to break the wire of the wire so that the worker can be notified of the danger with a warning lamp or a warning sound.

That is, the hoist wire rope detection device 100 according to the present invention, the main body 12 and the main body 12 which is provided to be movable in one direction and the other direction along the rail 11 is installed on the ceiling, The drive motor 13 is provided to be forward and backward drive corresponding to the power applied to the reducer, and the speed reducer is provided to reduce the rotational speed of the drive motor 13 on the axis that rotates in accordance with the drive of the drive motor 13 14 and a wire rope drum 16 connected to the speed reducer 14, the wire rope 15 being connected to the outer circumferential surface thereof so as to be wound in a spiral direction, and moving and driving the main body 12. To be fixed to the main body 12 of the hoist 10 consisting of a control switch 17 provided with a plurality of operation buttons to control the driving of the motor 13 in a manner such as a plurality of bolts and nuts or welding. By wire rope drum (16) The cover member 110 is provided to prevent the inflow of foreign matter toward the wound wire rope 15, and a plurality of nuts and bolts or wires are fixed to the outer surface of the cover member 110 to lift the heavy material. The wire rope 15 hits the cover member 110 or the wire rope of the wire rope 15 is broken as the wire rope 15 is unstablely wound on the wire rope drum 16. The sensor unit 130 is provided so as to be able to detect the bottom surface of the cover member 110 and the sensor unit 130 is connected to the sensor unit 130 so as to receive and output a signal sensed from the sensor unit 130. It includes an output unit 150 and a notification unit (not shown) which is provided to receive a signal output from the output unit 150 to notify the operator.

Hereinafter will be described in more detail with respect to the hoist wire rope detection apparatus according to the present invention.

First, the cover member 110 of the wire rope detecting device for the hoist according to the present invention, the wire rope 15 is fixed to the main body 12 by a method such as welding or a plurality of bolts and nuts or welding. It is provided to be spaced apart from the wound wire rope drum 16 to prevent foreign matter from flowing into the wire rope 15 and to fix and install the sensor unit 130.

That is, the cover member 110 is formed in a rectangular plate shape bent in a half arc shape corresponding to the half cross-sectional shape of the wire rope drum 16, the plate is a blow caused by breaking the wire of the wire rope 15 A plurality of holes (not shown) are provided to be perforated to facilitate the transmission of.

The sensor unit 130 is fixed to the upper surface of the cover member 110 via a plurality of bolts and nuts or wires as shown in FIGS. 1 to 3 so that the wire rope 15 has a wire rope drum 16. When the wire rope 15 as the weight of the heavy rope is unevenly wound on the cover member 110 or the steel wire of the wire rope 15 is broken, the wire rope 15 hits the bottom surface of the cover member 110. It is provided to detect and apply the signal sensed to the output unit 150 side.

That is, the sensor unit 130 has one surface in contact with the outer surface of the cover member 110 so that the wire rope 15 or the wire of the wire rope 15 can transmit the impact force when the cover member 110 hits the cover member 110. It is formed in a plate shape, the extension surface (not shown) is formed so as to form a receiving space portion (not shown) by extending in one direction protruding from the other side edge, the hole for fixing (not shown) is formed in the corner portion The upper plate member 131 is provided, a plurality of detection sensors 132 provided to be able to sense the impact force delivered in the receiving space portion of the upper plate member 131, and the extension piece of the upper plate member 131 A communication plate (not shown) is formed at a corner portion so that one surface thereof is in communication with the hole, and the lower plate member 133 is provided to protect the detection sensor 132 in the accommodation space. The lower plate member 131 and the upper One end is inserted between the plate member 133 is composed of a sensing line 134 and the application line 134 provided with one end connected.

In addition, between the bottom surface of the accommodating space portion of the upper plate member 131 and the detection sensor 132 is further provided with a polycarbone plate 135 that is resistant to acid and heat and a buffer plate 136 of rubber material for shock absorption. do.

In addition, the sensor unit 130 is formed in a rubber material so as to be bent in a half arc shape, the lower plate member 133 is formed of a polyvinyl chloride (pvc).

The output unit 150 is connected to the sensor unit 130 and the application line 134 by being installed in the work room by switching the applied signal sensed from the sensor unit 130 and output to the notification unit side It is provided to enable.

That is, the output unit 150 has a case (151) and a case 151 is provided with a fixing hole (not shown) in the bottom corner to be fixed by mounting a control unit (not shown) therein, the case 151 A sensing signal applying connection terminal 152 having one end connected to the application line 134 and the other end connected to the control unit so that a sensing signal applied through the application line 134 may be applied to the control unit at the bottom of the bottom surface. And a power line connection terminal 153 installed at one side of the sensing signal applying connection terminal 152 and connected to a power line at one end thereof and connected to a control unit so as to enable power supply; and Connection terminal 152 is installed on the other side one end is connected to the notification unit and the other end is connected to the control unit connected to the notification unit provided to notify the notification unit the output signal applied from the control unit side Installed on the front of the chair 154 and the case 151 it is configured the operating status of the output unit 150 to the lamp 155 which is provided so as to enable notification to the operator.

The notification unit is connected to the notification unit connection terminal 154 of the output unit 150 and the wire is configured as a lamp or a warning sound to be notified to the operator corresponding to the signal from the control unit.

In order to move the heavy object by installing the wire rope detection device for a hoist according to the present invention provided as described above, as shown in Figures 1 to 3 attached to the first, the operator to the control switch 17 of the hoist Operate the provided operation button.

By operating the operation button of the control switch 17, the drive motor 13 is driven in the forward direction, whereby the wire rope 15 wound on the wire rope drum 16 is flipped, the loose wire rope Hang the weight to be moved to the hook connected to (15).

Thereafter, the drive motor 13 is driven to correspond to the operation of the other operation button of the control switch 17, whereby the wire rope 15 unwound is wound on the wire rope drum 16.

At this time, when the steel wire of the wire rope 15 is broken, the sensor unit 130 fixed to the outer surface of the cover member 110 senses the impact force.

That is, the steel wire of the wire rope 15 is broken while hitting the cover member 110, the sensor unit 130 is fixed to the outer surface of the cover member 110 by the strike of the cover member 110 via a wire The sensing sensor 132 senses the force of the cover member 110.

The impact force sensed by the detection sensor 132 is applied to the control unit mounted on the case 151 through the detection signal applying connection terminal 152 of the output unit 150.

When the signal sensed by the control unit is applied, the control unit withdraws and outputs the output signal to the notification unit through the notification unit connection terminal 154, thereby causing a warning sound of the notification unit.

When the alarm sounds as described above, by replacing the wire rope, it is possible to prevent a large accident due to broken wire rope.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventions. It will be clear to those who have knowledge of.

100; Wire rope detector for hoist
110; The cover member
130; The sensor unit
150; Output

Claims (4)

The main body 12 is provided to be movable in one direction and the other direction along the rail 11 is installed on the ceiling, and the drive motor 13 is provided to be forward and backward driving corresponding to the power applied to the main body 12 And a reducer 14 provided to reduce the number of rotations of the drive motor 13 on a shaft that rotates according to the driving of the drive motor 13, connected to the reducer 14, and a heavy material connected to an outer circumferential surface thereof. Control provided with a wire rope drum 16 is provided so that the wire rope 15 can be wound in a spiral direction, and a plurality of operation buttons to control the movement of the main body 12 and the drive of the drive motor 13. In the hoist wire rope detection device is installed in the hoist (10) consisting of a switch 17 is provided to detect and notify the state of the wire rope (15),
A cover member 110 fixed to the main body 12 to prevent the inflow of foreign substances to the wire rope 15 wound around the wire rope drum 16;
The wire rope 15 is fixed to the outer surface of the cover member 110 and the wire rope 15 as the wire rope 15 is unstablely wound on the wire rope drum 16 to lift the heavy material. A sensor unit 130 provided to detect 110 hitting the bottom of the cover member 110 by hitting the wire rope or breaking the wire of the wire rope 15;
An output unit 150 connected to the sensor unit 130 and configured to receive and output a signal sensed from the sensor unit 130;
Notification unit provided to receive the signal output from the output unit 150 to notify the worker
Hoist wire rope detection device comprising a.
The method of claim 1,
The sensor unit 130 is fixed to the upper surface of the cover member 110, the wire rope 15 as the wire rope 15 is unstablely wound on the wire rope drum 16 is the cover member ( It is formed in a plate shape so as to be able to apply the signal sensed to the output unit 150 by detecting the hitting the bottom surface of the cover member 110 by hitting the 110 or the wire rope 15 is broken. An extension piece is formed in the rim so that the accommodation space is formed by protruding in one direction, and the top plate member 131 is provided with a hole for fixing in the corner portion, and is installed in the accommodation space of the top plate member 131. A communication hole is formed in the corner portion to communicate with the hole by fixing a plurality of detection sensors 132 and the one surface is fixed to the extension member of the upper plate member 131 provided to be able to sense the impact force transmitted One end is inserted between the lower plate member 133 and the lower plate member 131 and the upper plate member 133 provided to protect the detection sensor 132 installed in the accommodation space. Hoist wire rope detection device, characterized in that consisting of a connecting line 134 is provided connected to. The method according to claim 1 or 2,
The output unit 150 includes a case 151 having a fixing hole formed at a corner of a bottom thereof so as to be fixed by mounting a controller therein, and a sensing applied to the bottom of the case 151 through an application line 134. One end is connected to the application line 134 so that the signal can be applied to the control unit side, and the other end is connected to the control unit for detecting signal applying terminal 152 and one side of the sensing signal applying connection terminal 152. It is installed on the other end is connected to the power line and the other end is connected to the control unit is provided with a power line connection terminal 153 is provided to enable the power supply, and the detection signal applying connection terminal 152 the other side, one end is a notification unit And the other end is connected to the control unit is connected to the control unit is provided with a notification unit connection terminal 154 for notifying the output signal applied from the control unit to the notification unit side, the front of the case 151 The wire rope detection device for a hoist, characterized in that consisting of a lamp 155 is installed on the surface is provided to notify the operator of the operating state of the output unit 150.
The method of claim 2,
Between the bottom surface of the accommodating space portion of the upper plate member 131 and the sensor 132 is characterized in that the polycarbonate nail plate 135 that withstands heat and heat well and the buffer plate 136 of rubber material for shock absorption is further provided. Hoist wire rope detection device.
KR1020110008783A 2011-01-28 2011-01-28 Hoist wire rope sensory device KR20120087535A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020110008783A KR20120087535A (en) 2011-01-28 2011-01-28 Hoist wire rope sensory device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110008783A KR20120087535A (en) 2011-01-28 2011-01-28 Hoist wire rope sensory device

Publications (1)

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KR20120087535A true KR20120087535A (en) 2012-08-07

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KR1020110008783A KR20120087535A (en) 2011-01-28 2011-01-28 Hoist wire rope sensory device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111776916A (en) * 2020-07-28 2020-10-16 江门市蒙德电气股份有限公司 Method and device for detecting strand breakage of elevator traction steel belt
CN113401825A (en) * 2021-06-21 2021-09-17 中国能源建设集团西北电力建设工程有限公司 Winch for wind power construction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111776916A (en) * 2020-07-28 2020-10-16 江门市蒙德电气股份有限公司 Method and device for detecting strand breakage of elevator traction steel belt
CN113401825A (en) * 2021-06-21 2021-09-17 中国能源建设集团西北电力建设工程有限公司 Winch for wind power construction

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