KR101685051B1 - Hoist crane motor assembly - Google Patents

Hoist crane motor assembly Download PDF

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Publication number
KR101685051B1
KR101685051B1 KR1020150175831A KR20150175831A KR101685051B1 KR 101685051 B1 KR101685051 B1 KR 101685051B1 KR 1020150175831 A KR1020150175831 A KR 1020150175831A KR 20150175831 A KR20150175831 A KR 20150175831A KR 101685051 B1 KR101685051 B1 KR 101685051B1
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KR
South Korea
Prior art keywords
housing
stator
lid
cover
bearing
Prior art date
Application number
KR1020150175831A
Other languages
Korean (ko)
Inventor
김운동
Original Assignee
주식회사 동양호이스트크레인
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 주식회사 동양호이스트크레인 filed Critical 주식회사 동양호이스트크레인
Priority to KR1020150175831A priority Critical patent/KR101685051B1/en
Priority to PCT/KR2016/014409 priority patent/WO2017099501A1/en
Application granted granted Critical
Publication of KR101685051B1 publication Critical patent/KR101685051B1/en

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Classifications

    • 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
    • B66C13/18—Control systems or devices
    • B66C13/22—Control systems or devices for electric drives
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/02—Casings or enclosures characterised by the material thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

The present invention relates to a hoist crane motor assembly. The present invention includes: a housing having a coupling unit formed to be spaced apart at regular intervals; a first cover having an insertion hole formed thereon; a flange coupled with a bolt; a second cover having a bearing installed in the internal center thereof; a stator connected to a wire; a rotor rotated by the stator; and a shaft rotating around the center shaft of the bearing. Accordingly, the present invention make light and can reduce manufacturing costs.

Description

[0001] HOIST CRANE MOTOR ASSEMBLY [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a motor assembly for a hoist crane, and more particularly, to a motor assembly for a hoist crane. More particularly, the present invention relates to a motor assembly for a hoist crane, By using the protrusions so as to protrude to the outside of the housing, it is possible to prevent the wiring connected to the stator inserted in the housing from being broken, thereby preventing a short circuit. To a motor assembly for a hoist crane.

Generally, a motor is an actuator that receives electrical energy and converts it to mechanical energy.

 Such a motor is composed of a stator supplied with electricity and a rotor generating a magnetic field. When current is supplied, a Lorentz force is generated in a direction perpendicular to the magnetic force, so that the rotor rotates.

The above motors can be used in various fields. In particular, motors used in hoist cranes, which are mostly used in processing plants and installed crane on the ceiling and used for transportation of products in each building, , Wiring is installed to receive external power supply, and provides rotational power to the chain.

However, conventional motors used in hoist cranes are made of a cast iron casting method, which increases the material cost due to heavy weight, and casting products have a burr formed at the edges due to the characteristics of the casting method. Such sharp burrs There is a problem that electric wiring is cut off and electric sparking occurs and short-circuiting. In particular, there is a problem that the space formed for drawing out the wiring connected to the motor to the outside of the housing is small.

(Document 1): Korean Patent No. 10-0464363 (registered on December 22, 2004) (Document 2): Korean Patent Publication No. 10-2013-0065304 (published on June 19, 2013) (Document 3): Domestic registered patent No. 10-0933066 (registered on December 11, 2009) (Document 4): Korean Patent No. 10-1213329 (registered on December 11, 2012)

The present invention provides a motor assembly for a hoist crane, which can reduce the manufacturing cost by reducing the weight of the motor and reduce the distribution cost, in particular, by using the aluminum housing and the lid made of aluminum.

Further, according to the present invention, by forming the protrusion so as to protrude to the outside of the housing, it is possible to prevent the wiring connected to the stator inserted in the housing from being broken to prevent a short circuit, And to provide a motor assembly for a hoist crane.

The various problems to be solved by the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

A motor assembly for a hoist crane according to the present invention comprises: a housing made of an aluminum material and formed in a casting manner, formed into a cylindrical shape and having a fastening part spaced apart from the outer circumferential direction at a predetermined interval; A first cover fastened to one end of the housing and having an insertion hole for allowing a bearing to be inserted in the center; A flange formed on an outer circumferential surface of the first lid and fastened with a bolt so that the housing is fixed to one end of the winch; A second cover fastened to the other end of the housing and having a bearing at an inner center thereof; A stator inserted and fixed in the housing, the wirings connected to receive power from the outside; A rotor inserted in the center of the stator and rotated by the stator; And a shaft inserted and fixed in the rotor, one end inserted into a bearing formed at the center of the first lid and the other end inserted into a bearing formed in the second lid and rotated about the central axis of the bearing by rotation of the rotor; Wherein the housing is formed with a protrusion such that a part of the outer surface of the housing is bent in the outward direction so that a cross section is formed in a " C "shape, and a wiring connected to the stator is inserted between the stator inserted into the housing and the protrusion A space portion of a predetermined size can be formed so as to prevent it from being folded.

The housing has an inner step portion formed at one end and the other end along a circumferential direction so as to abut an outer step portion formed on the first cover and the second cover, and the first cover and the second cover are fixed to one end and the other end of the housing And a fastening hole may be formed at a position corresponding to the fastening portion to be fastened and fixed by bolts through the fastening hole.

And an opening portion formed in the middle of the protruding portion to allow the wiring inserted in the protruding portion to be discharged to the outside. The opening portion is formed in a rectangular shape, and the chamfer portion And the outer and inner edge portions may be formed into a curved round so as to prevent the coating covering the wiring from being peeled off when the operator repairs the wiring.

And an insulating packing which is seated on an inner step portion formed at one end and the other end of the housing and is tightly fixed by the first and second covers to prevent moisture from penetrating into the housing to maintain water tightness, The insulating packing is formed in the shape of a ring of a disk, and an outer portion is seated on an inner step portion formed on the housing, and a remaining portion except a portion seated on the inner step portion is exposed, It is possible to shut off the short circuit.

The details of other embodiments are included in the detailed description and drawings.

A motor assembly for a hoist crane according to the present invention relates to a motor assembly for a hoist crane, and more particularly, to a motor assembly for a hoist crane, in which a housing and a cover are made of aluminum material, Particularly, there is an effect that distribution costs and the like can be reduced.

Further, the motor assembly for a hoist crane according to the present invention can prevent the wiring connected to the stator inserted in the housing from being broken by protruding to the outside of the housing, So that it can be discharged to the outside.

It will be appreciated that embodiments of the technical idea of the present invention can provide various effects not specifically mentioned.

1 is a perspective view of a motor assembly for a hoist crane in accordance with the present invention.
2 is a cross-sectional view of a motor assembly for a hoist crane in accordance with the present invention.
3 is an exploded cross-sectional view of a motor assembly for a hoist crane in accordance with the present invention.
4 is a perspective view showing a housing in a motor assembly for a hoist crane according to the present invention.
5 is a cross-sectional view taken along line AA 'of FIG.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and how to accomplish them, will become apparent by reference to the embodiments described in detail below with reference to the accompanying drawings. However, the present invention is not limited to the embodiments described herein but may be embodied in other forms. Rather, the embodiments disclosed herein are provided so that the disclosure can be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, the thicknesses of layers and regions are exaggerated for clarity.

The terms first, second, etc. may be used to describe various components, but the components are not limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may be referred to as a first component.

Terms such as top, bottom, top, bottom, or top, bottom, etc. are used to distinguish relative positions in components. For example, in the case of naming the upper part of the drawing as upper part and the lower part as lower part in the drawings for convenience, the upper part may be named lower part and the lower part may be named upper part without departing from the scope of right of the present invention .

The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, the terms "comprises", "having", and the like are used to specify that a feature, a number, a step, an operation, an element, a part or a combination thereof is described in the specification, But do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the meaning in the context of the relevant art and are to be construed as ideal or overly formal in meaning unless explicitly defined in the present application Do not.

Hereinafter, a preferred embodiment of a motor assembly for a hoist crane according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view of a motor assembly for a hoist crane according to the present invention, FIG. 2 is a sectional view of a motor assembly for a hoist crane according to the present invention, FIG. 3 is an exploded sectional view of a motor assembly for a hoist crane according to the present invention, 4 is a perspective view showing a housing in a motor assembly for a hoist crane according to the present invention, and FIG. 5 is a sectional view taken along the line AA 'in FIG.

1 to 5, a motor assembly for a hoist crane according to the present invention includes a housing 100, a first lid 200a, a flange 300, a second lid 200b, a stator 400, a rotor 500, a shaft 600, and an insulating packing 700,

When the aluminum material is used, the housing 100 can be manufactured to have a weight less than the weight of the conventional housing using the cast iron. Particularly, It has the advantage of reducing the weight and reducing the shipping cost, and the material cost is lower than that of the conventional cast iron, so that the manufacturing cost can be lowered.

That is, the load of the motor assembly suspended from the hoist installed on the ceiling is minimized, thereby reducing the overall weight of the hoist moving along the rails installed on the ceiling, thereby enabling quick movement.

In the present invention, the housing 100 may be formed in a cylindrical shape, and a plurality of heat sinks 150 may be formed on the outer circumferential surface of the housing 100 so as to be spaced apart in the circumferential direction. The heat sink 150 may be formed to be perpendicular to the outer circumferential surface of the housing 100 and may be formed to discharge heat generated inside the housing 100 to the outside.

The housing 100 may include an annular portion 160 to be fastened and fixed to the outer surface of the outer surface of the housing 100 and a fastening portion 110 formed at least one space apart from the outer circumferential surface of the housing 100.

The hook 160 may be detachably attached to the housing 100, and may be provided for movement by a crane or the like since the operator is difficult to move directly.

The fastening part 110 is formed in a rectangular shape so as to protrude outward from the outer surface of the housing 100 and is formed in the longitudinal direction of the housing 100. The first lid 200a and the second lid 200a are provided at one end and the other end, 200b may be fastened with a bolt.

In the present invention, the housing 100 includes a protrusion 120 and a protrusion 120 formed in the middle of the protrusion 120 so that a part of the outer surface of the protrusion 120 is bent outward so that the cross- The opening 121 may be formed so that the inserted wiring can be discharged to the outside.

The protrusions 120 may be formed to extend the inner space of the housing 100. For example, a wiring connected to the stator 400 may be formed between the protrusions 120 of the stator 400 inserted into the housing 100 So that a space portion 130 having a predetermined size is formed to prevent it from being folded while being inserted. In other words, in order to connect the wirings connected to the stator 400 to the external terminals, the wirings can be discharged outside the housing 100. In the past, the wirings have been severely bent without the space 130, If such a state is used for a long period of time, there is a problem that a short circuit occurs at a bent portion of the wiring. In order to solve such a problem, in the present invention, a separate space 130 is formed in the housing 100 so that it can be freely discharged to the outside without restriction on the thickness and the length of the wiring connected to the stator 400.

The opening 121 may be formed in a rectangular shape by cutting a middle portion of the protrusion 120 to a predetermined size and may be formed to allow the wiring inserted into the space 130 formed in the protrusion 120 to be discharged to the outside .

The chamfered portion 122 may be formed at the corners of the rectangular shape of the opening 121. The chamfered portion 122 may be formed such that the wiring is discharged through the opening 121, The wiring may be caught by the corner portion to prevent the coating from peeling off. In the present invention, the corner portion is formed by chamfering, but the present invention is not limited to this, and it may be formed in a round shape.

On the other hand, naturally curved rounds R can be formed on the outer and inner corner portions of the opening 121.

For example, in the case of the housing 100 made of a casting, a burr may be formed at an edge or an edge portion. In this sharp burr portion, a portion of the wiring coating is cut by an operator's mistake, In order to solve such a problem, a round (R) is formed at the corner of the opening 121 through which the wiring is passed to prevent the coating of the wiring from being peeled off or cut off.

Also, in the present invention, the inner step portion 140 may be formed at one end and the other end of the housing 100 so as to be closely fixed to the first lid 200a and the second lid 200b.

The inner end jaw 140 may be formed in a circular shape along the circumferential direction inward with respect to one end and the other end surface of the housing 100. By using the inner end jaw 140, And the first lid 200a and the second lid 200b can be easily fastened to the other end.

The first cover 200a is located at one end of the housing 100 and has a coupling hole 210 formed at the same position as the coupling portion 110 formed in the housing 100 at the edge, The bolts B can be screwed to the fastening portions 110 and fastened and fixed to one end of the housing 100. The first cover 200a is formed with an insertion hole 220 at the center thereof and the bearing 230 can be inserted and fixed so that one end of the shaft 600 is penetrated and fixed.

The first lid 200a is formed of the same material as the housing 100 to minimize the load and is formed in the shape of a disk. The first lid 200a is provided with an outer step jaw 240 May be formed.

The outer step portion 240 is formed to have a shape corresponding to the inner step portion 140 formed in the housing 100 and an insulating packing 700 is formed between the inner step portion 140 and the outer step portion 240 And may be formed to fix and support.

For example, one end of the housing 100 is formed in a plane, and one end of the housing 100 and one end of the first lid 200a are connected to each other in a state where the first lid 200a, which is in contact with one end of the housing 100, The insulating packing 700 may not be disposed at an accurate position but may be tilted to one side or a part of the insulating packing 700 may escape to the outside. In the present invention, The jaw portion 140 and the outer step portion 240 are formed and used so as to prevent the above problems and more particularly to make the contact between the housing 100 and the first lid 200a more accurate, have.

The flange 300 is formed of the same aluminum material as the first cover 200a and is formed on the outer circumferential surface of the first cover 200a and at least one or more bolt holes 310 may be formed at the edge.

The housing 100 may be fixed to one side of a winch (not shown) provided on a hoist (not shown) installed on the ceiling by a bolt B inserted through a bolt hole 310 formed in a flange 300 .

That is, the stator 400, the rotor 500, and the shaft 600 are inserted and fixed in the housing 100 to provide rotational power to the winch, To be connected to the winch, and to fix the housing 100 to one end of the winch.

The second lid 200b is located at the other end of the housing 100 and has a fastening hole 210 at the same position as the fastening portion 110 formed in the housing 100 at the edge thereof and is inserted through the fastening hole 210 The bolts B can be screwed to the fastening portions 110 and fastened and fixed to one end of the housing 100. Also, the second lid 200b may be provided with a bearing 230 at the center of which the other end of the shaft 600 is inserted and fixed.

The second lid 200b may be provided with an outer step portion 240 at a portion contacting the inner step portion 140 formed at the other end of the housing 100. The outer step portion 240 may be formed, Is the same as that of the outer step portion 240 formed on the inner surface 200a, and a detailed description thereof will be omitted.

The stator 400 is inserted and fixed in the housing 100, and the wirings are connected to receive power from the outside, and the stator 400 may be provided to rotate the rotor 500.

When the stator 400 is used, the life of the motor becomes long, and the output is strong, so that a heavy product can be easily lifted and moved.

In the meantime, the stator 400 has a plurality of metal plates stacked in layers to wind the windings. The structure and principle of the stator 400 are well known to those skilled in the art. In the embodiment of the present invention, A detailed description thereof will be omitted.

The rotor 500 is inserted in the center of the stator 400 and is supported by the shaft 600 and may be provided to rotate the shaft 600 when the stator 400 is powered.

The shaft 600 is inserted into the rotor 500 and can be rotated in the same direction by the rotation of the rotor 500. The shaft 600 is axially coupled to a bearing 230 formed at one end of the first lid 200a and the other end is axially coupled to a bearing 230 formed at the second lid 200b, As shown in FIG.

One end of the shaft 600 is formed so as to pass through a bearing 230 formed in the first cover 200a and is pulled out to the outside. One end of the shaft 600 sunk to the outside is connected to a drum (not shown) To provide rotational power to the drum.

That is, the winch provided in the hoist is provided with a drum and a wire or a chain wound around the drum, and is provided with a rotational power from the shaft 600 to rotate the drum so that the wire or chain can be moved upward or downward.

The insulating packing 700 may be provided between the housing 100 and the first and second covers 200a and 200b and may be provided to seal the interior of the housing 100 to prevent moisture from penetrating. The insulating packing 700 is formed in a circular ring shape and an outer portion of the insulating packing 700 is seated on an inner step portion 140 formed in the housing 100 and fixed by a first lid 200a and a second lid 200b .

In addition, the insulating packing 700 may be formed such that the remaining portion except the portion that is seated on the inner step portion 140 is exposed.

A short circuit is caused by a wire connected to the coil 410 or the stator 400 wound around the stator 400 inserted in the housing 100 by using the stator 400 inserted into the housing 100, Can be blocked.

That is, if an inner part of the insulating packing 700 is formed to be in close contact with the outer surface of the winding 410, an operator may place a metal material such as bolt or nut between the inner surface of the housing 100 and the winding 410 A spark or the like may occur when the worker can not confirm with the naked eye in the state where the work parts of the workpiece are detached.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood that the invention may be practiced. It is therefore to be understood that one embodiment described above is illustrative in all aspects and not restrictive.

100; A housing 110; The fastening portion
120; A protrusion 121; Opening
122; Chamfer 130; Space portion
140; Inner end jaw 150; Heat sink
160; Ring portion 200a; The first cover
200b; Second cover 210; Fastener
220; Insertion holes 230; bearing
240; An outer step portion 300; flange
310; Bolt hole 400; The stator
410; Winding 500; Rotor
600; Shaft 700; Insulation packing
B; volt

Claims (4)

A housing made of an aluminum material in a casting fashion and formed in a cylindrical shape and having a fastening part spaced apart from the outer circumferential direction at a predetermined interval;
A first cover fastened to one end of the housing and having an insertion hole for allowing a bearing to be inserted in the center;
A flange formed on an outer circumferential surface of the first lid and fastened with a bolt so that the housing is fixed to one end of the winch;
A second cover fastened to the other end of the housing and having a bearing at an inner center thereof;
A stator inserted and fixed in the housing, the wirings connected to receive power from the outside;
A rotor inserted in the center of the stator and rotated by the stator; And
And a shaft inserted into the bearing formed at the center of the first lid and the other end inserted into a bearing formed in the second lid and rotating about the central axis of the bearing by rotation of the rotor However,
The housing includes:
A plurality of protrusions are formed in the housing so as to form the protrusions so that the cross-section is formed in a " C " Wherein the hollow portion of the hoist crane is formed with a size of a space portion. The method according to claim 1,
The housing has an inner step portion formed at one end and the other end along a circumferential direction so as to abut an outer step portion formed on the first cover and the second cover,
Wherein the first lid and the second lid are formed with fastening holes at positions corresponding to the fastening portions formed at one end and the other end of the housing, and fastened and fixed by bolts through the fastening holes. The method according to claim 1,
An opening formed in the middle of the protrusion for allowing the wiring inserted in the protrusion to be discharged to the outside,
The opening is formed in a rectangular shape, and a chamfer is formed at each corner to prevent the cover from being peeled off by interposing the wiring. The operator can prevent the coating covering the wiring from being peeled off during wiring repair by bending the outer and inner corner portions Wherein the crankshaft is formed as a true round. 3. The method of claim 2,
And an insulating packing which is seated on an inner step portion formed at one end and the other end of the housing and is tightly fixed by the first and second covers to prevent moisture from penetrating into the housing to maintain water tightness,
The insulating packing
And a part of the outer side is seated on an inner step part formed on the housing and the remaining part except the part seated on the inner step part is exposed and shorted by the stator inserted in the inside of the housing Of the hoist crane (1).
KR1020150175831A 2015-12-10 2015-12-10 Hoist crane motor assembly KR101685051B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020150175831A KR101685051B1 (en) 2015-12-10 2015-12-10 Hoist crane motor assembly
PCT/KR2016/014409 WO2017099501A1 (en) 2015-12-10 2016-12-09 Motor assembly for hoist crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150175831A KR101685051B1 (en) 2015-12-10 2015-12-10 Hoist crane motor assembly

Publications (1)

Publication Number Publication Date
KR101685051B1 true KR101685051B1 (en) 2016-12-20

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WO (1) WO2017099501A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102539417B1 (en) 2022-09-27 2023-06-05 주식회사 에스디호이스트 Trolley for Monorail Hoist Motor Replacement

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH073258U (en) * 1993-06-21 1995-01-17 昭和アルミニウム株式会社 Motor housing
KR100464363B1 (en) 1999-12-13 2005-01-03 케이씨아이 코네크레인스 피엘씨 Hoisting apparatus
KR100933066B1 (en) 2006-10-03 2009-12-21 이치코 고교가부시키가이샤 Motor module assembly
KR101213329B1 (en) 2011-05-19 2012-12-18 조한중 Housing assembly for motor
KR20130065304A (en) 2011-12-09 2013-06-19 엘지이노텍 주식회사 Motor having noise prevent housing
JP2014108009A (en) * 2012-11-29 2014-06-09 Toyota Industries Corp Rotary electric machine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100847733B1 (en) * 2006-12-19 2008-07-23 삼성전기주식회사 Apparatus for Generating Power
WO2013023402A1 (en) * 2011-08-17 2013-02-21 浙江寰亚电子有限公司 High-power energy-saving motor
KR101931356B1 (en) * 2012-01-19 2018-12-24 삼성전자주식회사 Motor and rotor thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH073258U (en) * 1993-06-21 1995-01-17 昭和アルミニウム株式会社 Motor housing
KR100464363B1 (en) 1999-12-13 2005-01-03 케이씨아이 코네크레인스 피엘씨 Hoisting apparatus
KR100933066B1 (en) 2006-10-03 2009-12-21 이치코 고교가부시키가이샤 Motor module assembly
KR101213329B1 (en) 2011-05-19 2012-12-18 조한중 Housing assembly for motor
KR20130065304A (en) 2011-12-09 2013-06-19 엘지이노텍 주식회사 Motor having noise prevent housing
JP2014108009A (en) * 2012-11-29 2014-06-09 Toyota Industries Corp Rotary electric machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102539417B1 (en) 2022-09-27 2023-06-05 주식회사 에스디호이스트 Trolley for Monorail Hoist Motor Replacement

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