KR20130063129A - Electromagnet of cargo crane - Google Patents

Electromagnet of cargo crane Download PDF

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Publication number
KR20130063129A
KR20130063129A KR1020110129479A KR20110129479A KR20130063129A KR 20130063129 A KR20130063129 A KR 20130063129A KR 1020110129479 A KR1020110129479 A KR 1020110129479A KR 20110129479 A KR20110129479 A KR 20110129479A KR 20130063129 A KR20130063129 A KR 20130063129A
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KR
South Korea
Prior art keywords
cable
upper horizontal
horizontal plate
casing
connector
Prior art date
Application number
KR1020110129479A
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Korean (ko)
Inventor
정재기
Original Assignee
해성마그네트 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 해성마그네트 주식회사 filed Critical 해성마그네트 주식회사
Priority to KR1020110129479A priority Critical patent/KR20130063129A/en
Publication of KR20130063129A publication Critical patent/KR20130063129A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/04—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by magnetic means
    • B66C1/06—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by magnetic means electromagnetic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/12—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

The present invention relates to an electromagnet for a tongs for carrying out scraps of scrap metal, such as scrap metal, scrap metal scrap or the like in the building wastes.
In the electromagnet for an electric tongs according to the present invention, a core 20 is mounted at a center of a casing 10 having a lower opening, a coil 25 is wound around the core 20, and an upper horizontal portion 11 of the casing 10. Hole 12 is formed in the center, the first long groove 13 is formed radially in the hole 12 on the lower surface of the upper horizontal portion 11, and the upper surface 21 of the core 20 The two long grooves 22 are radially formed at the center so that the first long grooves 13 and the second long grooves 12 are arranged correspondingly, so that the cable passages are formed by the first long grooves 13 and the second long grooves 22. (A) is formed, the lower horizontal plate 31 of the grip member 30 is joined to the upper horizontal plate 11 of the casing 10, and the hollow portion of the vertical pipe 32 of the grip member 30 The hole 12 of the upper horizontal portion 11 of the casing 10 coincides, and the terminal box 40 is mounted on the upper horizontal plate 33 of the grip member 30, thereby connecting a negative cable connected to the coil 25. (C1) and the plus cable (C2) connect the cable passage (A) The yoke 12 and the vertical pipe 32 are led into the terminal box 40, the negative cable C1 is grounded to the terminal box 40, and the plus cable C2 is connected to the hole of the terminal box 40. 41) is drawn out to the outside, characterized in that the plus cable (C2) and the connecting cable (C3) for supplying power is connected by the connector (50).

Description

Electromagnet for forceps car {ELECTROMAGNET OF CARGO CRANE}

The present invention relates to an electromagnet for a tongs for carrying out scraps such as scrap metal contained in waste resources by magnetic force or carrying scraps of scrap metal wastes, iron bars, etc. More specifically, a cable passage is formed inside the casing, and a minus cable And plus cable is connected to a terminal box mounted on the upper horizontal plate of the grip member via cable passages, holes and vertical pipes.

Republic of Korea Patent Publication No. 10-2011-0081428 (July 14, 2011, published) "hex scrap magnet" is introduced.

The hexagonal scrap magnet is a scrap magnet that moves the scrap by using the suction force of the electromagnet, the hexagonal shape, the main body is provided with a fastening means on the upper portion and a space formed therein, and formed inside the main body portion of the main body portion A separation wall made of stainless steel that separates the interior space into a plurality of compartments, a core having a cylindrical shape, coils wound on an outer circumferential surface thereof, and formed in the cores provided in the respective compartments formed inside the body portion; It includes a control unit for controlling the power by sensing an input signal from the outside.

However, the hexagonal scrap magnet has a control part (lead box) protrudingly formed on one side of the upper surface of the main body, so that the scrap magnet rotates while the tongs of the tongs grip the hexagonal scrap magnet while being used, the power is supplied through the lead box. The disadvantage is that the supply cable is twisted or tangled.

Therefore, an object of the present invention is to form a cable passage inside the casing, so that the minus cable and the plus cable can be easily arranged in the casing, and the minus cable and the plus cable are connected to the upper part of the grip member through the cable passage, the hole and the vertical pipe. By entering the terminal box mounted on the horizontal plate, the minus cable and the plus cable are not exposed to the outside, which prevents the cable from being damaged by external environmental factors (for example, scraps) and the casing rotates. Even if the positive cable is twisted or tangled to provide an electromagnet for the tongs.

Another object of the present invention is that when the connecting head portion of the male connector is fitted to the front end hollow portion of the female connector, the steel ball of the female connector is fitted into the coupling groove of the male connector, and the pressure ring restrains the steel ball, Not only the coupling is maintained but also the male connector can be prevented from being forcibly separated by external force from the female connector, and the connecting terminal of the female connector and the connecting connector of the male connector come into contact with the first spring compressed. It can guarantee the connection of the female connector and the male connector, and the male connector can be rotated relatively to the female connector, so that the plus cable connected to the male connector can be prevented from being tangled or twisted. It is to provide a car electromagnet.

Electromagnet for an electric tongs according to the present invention for achieving the above object is a core is mounted in the center of the casing is open, the coil is wound around the core, a hole is formed in the center of the upper horizontal portion of the casing, the upper horizontal The first chapter groove is formed radially in the hole on the lower surface of the part, and the second chapter groove is formed radially in the center on the upper surface of the core, so that the first chapter groove and the second chapter groove correspond to each other, so that the first chapter groove and the first The cable passage is formed by two long grooves, the lower horizontal plate of the grip member is joined to the upper horizontal plate of the casing, the vertical pipe of the grip member and the hole of the upper horizontal portion of the casing coincide, and the terminal on the upper horizontal plate of the grip member. The box is mounted so that the minus and plus cables connected to the coil enter the terminal box through the cable passages, holes and vertical pipes, and the minus cables It is characterized in that the grounding in the switch, the plus cable is drawn out through the hole of the terminal box, the plus cable and the connecting cable for supplying power are connected by the connector.

The grip member is connected to the lower horizontal plate and the upper horizontal plate joined to the upper horizontal plate of the casing by the vertical pipe, the space of the lower horizontal plate and the upper horizontal plate is divided by a plurality of diaphragms, the terminal on the upper horizontal plate The box is mounted, and a protective wall is erected around the upper horizontal plate to protect the terminal box.

The connector is composed of a male connector connected to the plus cable, and a female connector connected to the connection cable and coupled to the male connector.

The male connector is fitted with a connection terminal in the hollow portion of the insulating case formed in a cylindrical shape, a coupling groove is formed around the connection head portion of the connection terminal, the connection head portion of the connection terminal is disposed in the coupling groove of the insulation case, the connection terminal The cable leads are inserted into the cable insertion groove of the cable insert groove, the cable leads are fixed to the cable insertion groove by the mood bolts fastened to the circumference of the cable insertion groove, and the cable conductors inserted into the cable insertion groove are additionally fixed to the Fastening part) to the grip cap.

The female connector has a cylindrical holder inserted into an insulating case formed in a cylindrical shape, a connecting terminal is disposed in a hollow portion of the holder, and a head of the connecting terminal is elastically supported by a first spring, and is connected to the connecting terminal. The cable conductor is connected, the connector body is fastened to the fastening part of the holder, and the pressing ring supported by the second spring is fitted to the connector body, so that the locking action of the steel ball mounted on the connector body is controlled by the pressure ring. The pressure ring is covered by the insulator, the pressure ring is fixed to the insulator by the mood bolt, the grip cap is fastened to the rear end of the insulating case, the rear end of the holder is supported by the grip cap.

As a result, the electromagnet for a tong car according to the present invention can easily organize the minus cable and the plus cable in the casing, and the minus cable and the plus cable are not exposed to the outside, thereby preventing the cable from being damaged by external environmental factors. Not only can the plus cable be twisted or tangled even if the casing is rotated, but the male and female connectors are retained as well as the male connector is prevented from being forcibly removed by external force from the female connector. It can ensure the connection of the female connector and the male connector, and the male connector can be rotated relatively with respect to the female connector, so that the plus cable connected to the male connector can be prevented from being tangled or twisted. It has an effect.

1 is a perspective view showing an electromagnet for an electric tongs according to the present invention
Figure 2 is an exploded perspective view showing an electromagnet for an electric tongs according to the present invention
Figure 3 is a cross-sectional view taken along the line AA of Figure 1 showing an electromagnet for a forklift according to the invention
Figure 4 is a side view showing a state in which the electromagnet for the tongs according to the invention is gripped on the tongs tongs
5 is an exploded perspective view showing a connector for an electromagnet for an automobile according to the present invention;
6 is a cross-sectional view taken along line BB of FIG. 5 showing the male connector;
7 is a cross-sectional view taken along line CC of FIG. 5 showing a female connector.
8 and 9 are cross-sectional views showing a process of coupling the male and female connectors.

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

1 to 3, in the electromagnet for an electric tongs according to the present invention, a core 20 is mounted at a center of a casing 10 having a lower opening, and a coil 25 is wound around the core 20, and a casing. The hole 12 is formed in the center of the upper horizontal portion 11 of the 10, the first long groove 13 is radially formed in the hole 12 in the lower surface of the upper horizontal portion 11, and the core 20 is formed. The first long groove 13 and the second long groove 12 are radially formed at the center of the upper surface 21, so that the first long groove 13 and the second long groove 12 are disposed to correspond to each other. The cable passage A is formed by the two long grooves 22, the lower horizontal plate 31 of the grip member 30 is joined to the upper horizontal plate 11 of the casing 10, and the grip member 30 The hollow part of the vertical pipe 32 and the hole 12 of the upper horizontal part 11 of the casing 10 coincide, and the terminal box 40 is mounted on the upper horizontal plate 33 of the grip member 30. , Positive cable (C1) and positive cable connected to coil (25) Cable C2 is led into the terminal box 40 through the cable passage A, the hole 12 and the vertical pipe 32, the negative cable C1 is grounded to the terminal box 40, the positive cable ( C2) is drawn to the outside through the hole 41 of the terminal box 40, the plus cable (C2) and the connecting cable (C3) for supplying power is connected by the connector (50).

The grip member 30 has a lower horizontal plate 31 and an upper horizontal plate 33 joined to the upper horizontal plate 11 of the casing 10 by a vertical pipe 32, and a lower horizontal plate 31. ) And the space of the upper horizontal plate 33 is divided by a plurality of diaphragms 34, the terminal box 40 is mounted on the upper horizontal plate 33, the upper horizontal plate to protect the terminal box 40 A protective wall 35 is erected around (33).

As a result, a separate height adjusting member is not required between the lower horizontal plate 31 and the upper horizontal plate 33, so that the height h1 of the grip member 30 can be minimized. When the electromagnet for the tongs according to the invention is placed, it is possible to prevent the electromagnets for the tongs to be caught in the tunnel, etc., because the terminal box 40 is mounted on the upper horizontal plate 33, and is protected by the protective wall 35 , The positive cable C2 can be prevented from being damaged by tongs or iron scrap of the tong car.

In the electromagnet for an electric forceps according to the present invention configured as described above, the first long groove 13 formed in the casing 10 and the second long groove 22 formed in the core 20 correspond to each other to form a cable passage A. In the casing 10, the negative cable (C1) and the plus cable (C2) connected to the coil 25 can be easily arranged, and the minus cable (C1) and the plus cable (C2) are connected to the cable passage (A) and the hole ( 12) and the negative cable C1 and the plus cable C2 are not exposed to the outside of the casing 10 until the terminal box 40 because the cable is drawn into the terminal box 40 through the vertical pipe 32. In addition to preventing the cables C1 and 2 from being damaged by external environmental factors (for example, scraps), the tongs gripped on the grapple 110 or the tongs 120 as shown in FIG. 4. Positive cable (C2) is twisted even when the electromagnet (1) is rotated together with the tongs (120) There is an advantage that can or can fundamentally prevent the tangle.

Referring to FIG. 1, in addition, in the electromagnet for an electric tongs according to the present invention as described above, the connector 50 is connected to the male connector 510 connected to the plus cable C2 and the connecting cable C3. It is composed of a female connector 550 coupled with the male connector 510.

5 and 6, the male connector 510 is fitted with a connection terminal 515 in a hollow portion of an insulating case 511 formed in a cylindrical shape, and is surrounded by a connection head portion 516 of the connection terminal 515. A coupling groove 518 is formed in the coupling groove, a connection head portion 516 of the connection terminal 515 is disposed in the coupling groove 512 of the insulating case 511, and a cable insertion groove 517 of the connection terminal 515 is provided. The cable lead wire 530 is inserted into the cable lead wire, and the cable lead wire 530 is fixed to the cable insert groove 517 by the mood bolt 520 fastened to the circumference of the cable insert groove 517. In order to additionally fix the cable conductor 530 inserted into the ()) is fastened to the grip cap 525 to the fastening portion 513 of the insulating case 511.

5 and 7, the female connector 550 has a cylindrical holder 555 inserted into an insulating case 551 formed in a cylindrical shape, and a connection terminal 560 in a hollow portion of the holder 555. The head part 561 of the connecting terminal 560 is elastically supported by the first spring 565, the cable conductor 563 is connected to the connecting terminal 560, and the holder 555 The connector body 570 is fastened to the fastening part 556, and the pressure ring 580 supported by the second spring 575 is fitted to the connector body 570, thereby fitting the steel ball mounted to the connector body 570. The locking action of 573 is controlled by the pressure ring 580, the pressure ring 580 is covered by the insulator 585, and the pressure ring 580 is connected to the insulator 585 by the mood bolt 590. The grip cap 595 is fastened to the rear end of the insulating case 551, and the rear end of the holder 555 is supported by the grip cap 595.

8 and 9, the connector 50 according to the present invention configured as described above may be connected as follows.

First, as shown in FIG. 8, when the pressure ring 580 is pulled in the direction of the arrow 592 using the insulator 585, the second spring 575 is compressed while the front end hollow portion 571 of the connector body 570 is compressed. The force of the pressure ring 580 that pressurizes the steel ball 573 to the center thereof is removed, so that the connection head portion 516 of the connection terminal 515 can be fitted to the tip hollow portion 571 of the connector body 570. Will be. That is, the connection head portion 516 of the male connector 510 can be fitted to the front end hollow portion 571 of the female connector 550.

Thereafter, as shown in FIG. 9, in the state where the connection head portion 516 of the male connector 510 is inserted into the front end hollow portion 571 of the female connector 550, the operator connects the connection head of the male connector 510. When pushing the part 516 once more, the connection head part 516 of the male connector 510 pushes the head part 561 of the connection terminal 560 of the female connector 550, and the head of the connection terminal 560 is carried out. As the part 561 is pushed back, the first spring 565 is compressed and the connection head part 516 of the male connector 510 is further drawn into the front end hollow part 571 of the female connector 550, whereby the male connector is connected. The steel ball 573 of the female connector 550 fits into the coupling groove 518 of the connection terminal 515 of the 510, and when the pressure ring 580 pulled back is placed, the second spring 575 that has been compressed The pressing ring 580 presses the steel balls 573 so that the pressing ring 580 is returned to its original position by the restoring force and the steel balls 573 do not fall out of the coupling groove 518.

Subsequently, when the pressure ring 580 is pulled again in the direction of the arrow 592 of FIG. 8, the first spring 565 is restored to its original state and the head part 561 of the connection terminal 560 is pushed to the original position so that the steel ball ( 573 is separated from the coupling groove 518, and the connection head portion 516 of the male connector 510 that is in close contact with the head portion 561 of the connection terminal 560 is the front end hollow portion 571 of the female connector 550 ).

As described above, in the connector 50 according to the present invention, when the connection head portion 516 of the male connector 510 is fitted into the tip hollow portion 571 of the female connector 550, the steel balls 573 are coupled to the coupling groove 518. ) And the pressure ring 580 restrains the steel balls 573, so that the male connector 510 and the female connector 550 are not only held together, but also the male connector 510 is external to the female connector 550. It can be prevented from being forcibly separated by the force, and the connecting terminal 560 of the female connector 550 and the connecting terminal 515 of the male connector 510 are in contact with the first spring 565 is compressed. Therefore, the connection between the connection terminal 560 of the female connector 550 and the connection terminal 515 of the male connector 510 can be ensured, and the male connector 510 rotates relative to the female connector 550. You can do it. As a result, even if the casing 10 is rotated, the plus cable C2 connected to the male connector 510 may be fundamentally prevented from being twisted or entangled.

10 casing 20 core
25 coil A: cable passage
30: grip member 40: terminal box
50 connector C1 minus cable
C2: plus cable

Claims (3)

The core 20 is mounted at the center of the casing 10 having the lower opening, the coil 25 is wound around the core 20, and the hole 12 is formed at the center of the upper horizontal portion 11 of the casing 10. The first long groove 13 is radially formed in the hole 12 on the lower surface of the upper horizontal portion 11, and the second long groove 22 is centered on the upper surface 21 of the core 20. Formed radially, the first long groove 13 and the second long groove 12 are arranged to correspond, so that the cable passage (A) is formed by the first long groove 13 and the second long groove 22, the casing The lower horizontal plate 31 of the grip member 30 is joined to the upper horizontal plate 11 of the 10 so that the hollow part of the vertical pipe 32 of the grip member 30 and the upper horizontal part of the casing 10. The holes 12 of the 11 are coincident with the terminal box 40 mounted on the upper horizontal plate 33 of the grip member 30, and the negative cable C1 and the plus cable C2 connected to the coil 25 are connected. ) Through the cable passage (A), the hole (12) and the vertical pipe (32) The cable 40 is pulled into the box 40, the minus cable C1 is grounded to the terminal box 40, the plus cable C2 is drawn out through the hole 41 of the terminal box 40, and the plus cable C2. ) And a connecting cable (C3) for supplying power is connected by the connector 50, electromagnets for tongs.
The method of claim 1,
The grip member 30 has a lower horizontal plate 31 and an upper horizontal plate 33 joined to the upper horizontal plate 11 of the casing 10 by a vertical pipe 32, and a lower horizontal plate 31. ) And the space of the upper horizontal plate 33 is divided by a plurality of diaphragms 34, the terminal box 40 is mounted on the upper horizontal plate 33, the upper horizontal plate to protect the terminal box 40 Electromagnet for an electric tongs, characterized in that the protective wall 35 is erected around (33).
The method of claim 1,
The connector 50 is composed of a male connector 510 connected to the plus cable (C2), and a female connector 550 connected to the connecting cable (C3) and coupled to the male connector (510),
The male connector 510 has a connection terminal 515 fitted to a hollow portion of the insulating case 511 formed in a cylindrical shape, and a coupling groove 518 is formed around the connection head portion 516 of the connection terminal 515. The connection head portion 516 of the connection terminal 515 is disposed in the coupling groove 512 of the insulating case 511, and the cable lead wire 530 is inserted into the cable insertion groove 517 of the connection terminal 515. The cable conductor 530 is fixed to the cable insertion groove 517 by the mood bolt 520 fastened to the circumference of the cable insertion groove 517, and the cable conductor 530 inserted into the cable insertion groove 517 is fixed. Fastened to the grip cap 525 to the fastening portion 513 of the insulating case 511 to secure additionally,
The female connector 550 is a cylindrical holder 555 is inserted into the insulating case 551 formed in a cylindrical shape, the connection terminal 560 is disposed in the hollow portion of the holder 555, the connection terminal 560 Head portion 561 is elastically supported by the first spring 565, a cable lead 563 is connected to the connecting terminal 560, the connector body (56) to the fastening portion 556 of the holder 555 570 is fastened, and the pressing ring 580 supported by the second spring 575 is fitted to the connector body 570, so that the locking action of the steel ball 573 mounted on the connector body 570 is pressed. 580, the pressure ring 580 is covered by the insulator 585, the pressure ring 580 is fixed to the insulator 585 by the mood bolt 590, and the The rear end of the grip cap (595) is fastened, the grip cap (595) characterized in that the rear end of the holder 555 is supported electromagnet for electromagnets.
KR1020110129479A 2011-12-06 2011-12-06 Electromagnet of cargo crane KR20130063129A (en)

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KR1020110129479A KR20130063129A (en) 2011-12-06 2011-12-06 Electromagnet of cargo crane

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101500544B1 (en) * 2014-09-25 2015-03-09 (주)진우산업기계 Power providing apparatus for Electromagnetic Chuck
CN112154044A (en) * 2018-02-23 2020-12-29 磁转换技术全球私人有限公司 Variable field magnetic coupler and method for joining ferromagnetic workpieces
US11511396B2 (en) 2017-04-27 2022-11-29 Magswitch Technology Worldwide Pty Ltd. Magnetic coupling devices
US11651883B2 (en) 2017-06-08 2023-05-16 Magswitch Technology Worldwide Pty Ltd. Electromagnet-switchable permanent magnet device
US11901142B2 (en) 2017-04-27 2024-02-13 Magswitch Technology, Inc. Variable field magnetic couplers and methods for engaging a ferromagnetic workpiece

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101500544B1 (en) * 2014-09-25 2015-03-09 (주)진우산업기계 Power providing apparatus for Electromagnetic Chuck
US11511396B2 (en) 2017-04-27 2022-11-29 Magswitch Technology Worldwide Pty Ltd. Magnetic coupling devices
US11839954B2 (en) 2017-04-27 2023-12-12 Magswitch Technology, Inc. Magnetic coupling device with at least one of a sensor arrangement and a degauss capability
US11850708B2 (en) 2017-04-27 2023-12-26 Magswitch Technology, Inc. Magnetic coupling device with at least one of a sensor arrangement and a degauss capability
US11901142B2 (en) 2017-04-27 2024-02-13 Magswitch Technology, Inc. Variable field magnetic couplers and methods for engaging a ferromagnetic workpiece
US11901141B2 (en) 2017-04-27 2024-02-13 Magswitch Technology, Inc. Variable field magnetic couplers and methods for engaging a ferromagnetic workpiece
US11651883B2 (en) 2017-06-08 2023-05-16 Magswitch Technology Worldwide Pty Ltd. Electromagnet-switchable permanent magnet device
US11837402B2 (en) 2017-06-08 2023-12-05 Magswitch Technology, Inc. Electromagnet-switchable permanent magnet device
CN112154044A (en) * 2018-02-23 2020-12-29 磁转换技术全球私人有限公司 Variable field magnetic coupler and method for joining ferromagnetic workpieces

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