EP2501639B1 - Chain hoist having a slip clutch - Google Patents
Chain hoist having a slip clutch Download PDFInfo
- Publication number
- EP2501639B1 EP2501639B1 EP10779299.6A EP10779299A EP2501639B1 EP 2501639 B1 EP2501639 B1 EP 2501639B1 EP 10779299 A EP10779299 A EP 10779299A EP 2501639 B1 EP2501639 B1 EP 2501639B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- clutch
- chain hoist
- coupling
- bore
- slip clutch
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 239000012208 gear oil Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 description 62
- 238000010168 coupling process Methods 0.000 description 62
- 238000005859 coupling reaction Methods 0.000 description 62
- 230000005540 biological transmission Effects 0.000 description 36
- 239000003921 oil Substances 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
-
- 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
- B66D3/20—Power-operated hoists with driving motor, e.g. electric motor, and drum or barrel contained in a common housing
-
- 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
- B66D3/12—Chain or like hand-operated tackles with or without power transmission gearing between operating member and lifting rope, chain or cable
-
- 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
- B66D3/12—Chain or like hand-operated tackles with or without power transmission gearing between operating member and lifting rope, chain or cable
- B66D3/16—Chain or like hand-operated tackles with or without power transmission gearing between operating member and lifting rope, chain or cable operated by an endless chain passing over a pulley or a sprocket
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Mechanical Operated Clutches (AREA)
- Transmissions By Endless Flexible Members (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Description
Die Erfindung betrifft einen Kettenzug mit einem elektrischen Antriebsmotor, der über eine Rutschkupplung mit einem Getriebe verbunden ist.The invention relates to a chain hoist with an electric drive motor which is connected via a slip clutch to a transmission.
Aus dem deutschen Patent
Des weiterem ist aus dem
Der Erfindung liegt die Aufgabe zugrunde, einen Kettenzug zu schaffen, der eine verbesserte Rutschkupplung aufweist.The invention has for its object to provide a chain hoist, which has an improved slip clutch.
Die Aufgabe wird durch einen Kettenzug mit den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Ausgestaltungen des Kettenzugs sind in den Ansprüchen 2 bis 7 angegeben.The object is achieved by a chain hoist with the features of
Erfindungsgemäß wird bei einem Kettenzug mit einem elektrischen Antriebsmotor, der über eine Rutschkupplung mit einem Getriebe verbunden ist, wobei die Rutschkupplung zur Verbesserung der Wärmeabfuhr eine vergrößerte Außenfläche in der Form von in der Außenfläche der Rutschkupplung angeordneten Vertiefungen aufweist, dessen Rutschkupplung dadurch verbessert ist, dass die Vertiefungen in der Außenfläche der Rutschkupplung umlaufend in Form eines Gewindegangs ausgebildet sind. Somit können nach geltenden Normen erforderliche Dauerrutschversuche erfüllt werden. Durch die vergrößerte Außenfläche kann eine ausreichende Wärmeabfuhr erreicht werden, ohne die Baugröße der Kupplung wesentlich zu erhöhen. Hierdurch wird mit einfachen Mitteln eine Vergrößerung der Wärmeaustauschfläche erreicht. Auch wird durch die Förderwirkung des Gewindegangs eine verbesserte Wärmeabfuhr erreicht.According to the invention, in a chain hoist with an electric drive motor, which is connected via a slip clutch to a transmission, wherein the slip clutch for improving the heat dissipation has an enlarged outer surface in the form of arranged in the outer surface of the slip coupling recesses, the slip clutch is improved by the depressions in the outer surface of the slip clutch are circumferentially formed in the form of a thread. Thus, according to applicable standards required steady slip tests can be met. Due to the enlarged outer surface sufficient heat dissipation can be achieved without significantly increasing the size of the coupling. As a result, an enlargement of the heat exchange surface is achieved by simple means. Also, an improved heat dissipation is achieved by the conveying effect of the thread.
Konstruktiv besonders vorteilhaft ist vorgesehen, dass die Rutschkupplung aus einem hülsenförmigen ersten Kupplungselement mit einer ersten ringförmigen Kupplungsfläche und aus einem hülsenförmigen zweiten Kupplungselement mit einer zweiten ringförmigen Kupplungsfläche besteht sowie zwischen der ersten Kupplungsfläche und der zweiten Kupplungsfläche ein Reibbelag angeordnet ist.Structurally particularly advantageous is provided that the slip clutch consists of a sleeve-shaped first coupling element with a first annular coupling surface and a sleeve-shaped second coupling element with a second annular coupling surface and between the first coupling surface and the second coupling surface a friction lining is arranged.
Als weiteres konstruktives Detail ist vorgesehen, dass das erste Kupplungselement aus einem hülsenförmigen ersten Befestigungsteil und einem sich hieran anschließenden hülsenförmigen ersten Kupplungsscheibenteil besteht, das zweite Kupplungselement aus einem hülsenförmigen zweiten Befestigungsteil und einem sich hieran anschließenden hülsenförmigen zweiten Kupplungsscheibenteil besteht und die Außenfläche zur Erhöhung der Wärmeabfuhr im Bereich der Umfangsfläche des ersten Kupplungsscheibenteils angeordnet ist. Hierbei ist besonders vorteilhaft, dass bei einem blockierten Getriebe und somit einem Ansprechen der Rutschkupplung das erste Kupplungsscheibenteil von dem Antriebsmotor weiter gedreht wird und somit von den gewindeartigen Vertiefungen weiter Getriebeöl in die Bohrung gefördert wird und somit eine weitere Kühlung erfolgt.As a further constructional detail, it is provided that the first coupling element consists of a sleeve-shaped first fastening part and a subsequent sleeve-shaped first coupling disk part, the second coupling element consists of a sleeve-shaped second fastening part and a subsequent sleeve-shaped second coupling disk part and the outer surface to increase the heat dissipation is arranged in the region of the peripheral surface of the first coupling disk part. It is particularly advantageous that in a blocked transmission and thus a response of the slip clutch, the first clutch disc part is further rotated by the drive motor and thus is further promoted by the thread-like depressions gear oil into the bore and thus further cooling takes place.
Hierbei ist vorteilhafter Weise das zweite Befestigungsteil in das erste Kupplungselement eingesteckt.In this case, the second fastening part is advantageously inserted into the first coupling element.
Besonders platzsparend ist, dass die Rutschkupplung in einer Bohrung eines Gehäuses des Getriebes angeordnet ist.Particularly space-saving is that the slip clutch is arranged in a bore of a housing of the transmission.
In besonderer konstruktiver Ausgestaltung ist innerhalb des Gehäuses ein Getrieberaum angeordnet ist, der mit der Bohrung in Verbindung steht und mit einem Getriebeöl gefüllt ist.In a particularly constructive embodiment, a gear chamber is arranged within the housing, which communicates with the bore and is filled with a transmission oil.
Um eine verbesserte Kühlung und eine Förderung des Getriebeöls zu erreichen, ist zwischen der zylinderförmigen Außenfläche der Rutschkupplung und der Innenfläche der Bohrung ein Spalt angeordnet.In order to achieve improved cooling and delivery of the transmission oil, a gap is arranged between the cylindrical outer surface of the slip clutch and the inner surface of the bore.
Ein Ausführungsbeispiel der Erfindung wird anhand einer Zeichnung beschrieben. Es zeigen:
-
eine Schnittansicht eines erfindungsgemäßen Kettenzug undFigur 1 -
eine Ausschnittsvergrößerung vonFigur 2 aus dem Bereich einer Rutschkupplung des Kettenzuges.Figur 1
-
FIG. 1 a sectional view of a chain hoist according to the invention and -
FIG. 2 an excerpt fromFIG. 1 out of the range of a slip clutch of the chain hoist.
In der
Um die Rutschkupplung 4 einstellen zu können und das zweite Kupplungselement 4b in Richtung des ersten Kupplungselements 4a vorspannen zu können, ist einerseits die Getriebeeingangswelle 5a in deren Axialrichtung verschiebbar gelagert und stützt sich andererseits über ein Federelement 9 an der Innenseite der Außenwand 3a ab. Des Weiteren ist die Getriebeeingangswelle 5a als Ritzelwelle mit einem ersten Zahnrad 10a ausgebildet, das mit einem zweiten Zahnrad 10b des Getriebes 3 kämmt. Die beiden Zahnräder 10a, 10b bilden somit die erste Getriebestufe.In order to set the
Besonders vorteilhaft ist, wenn das erste Zahnrad 10a der Getriebeeingangswelle 5a mit einer Schrägverzahnung in der Art ausgebildet ist, dass bei Betrieb des Kettenzugs 1 die durch die Schrägverzahnung bewirkte Axialkraft in Längsrichtung der Getriebeeingangswelle 5a zu einer Reibkraftverstärkung der Rutschkupplung 4 im Hubbetrieb führt. Hierdurch kann ohne Veränderung der Einstellung des Auslösemoments der Rutschkupplung 4 beim Betrieb des Kettenzugs 1 gegenüber dem Stillstand des Kettenzugs 1 eine automatische Veränderung des Auslösemoments herbeigeführt werden. Hiermit geht der Vorteil einher, dass bei einer Umkehr der Kraftflussrichtung im Getriebe 5 durch eine Verhakung der Kette auf der Nichtlastseite dann die Axialkraft der Verzahnung der Vorspannung des Federelements 9 entgegenwirkt und das die Rutschkupplung 4 auslösende Drehmoment heruntergesetzt wird. Die Gefahr einer Beschädigung des Kettenzuges 1 wird dadurch verringert.It is particularly advantageous if the first gear 10a of the transmission input shaft 5a is formed with a helical toothing in such a way that during operation of the
Des Weiteren weist das Getriebe 5 eine Getriebeausgangswelle 5b auf, die parallel zur Getriebeeingangswelle 5a verläuft und seitlich zu dieser versetzt in dem Gehäuse 3 gelagert ist. Abtriebsseitig ist an der Getriebeausgangswelle 5b drehfest und konzentrisch zu dieser das Kettenrad 6 angeordnet, mit dem eine Kette 11 des Kettenzuges 1 in Hub- und Senkrichtung bewegt werden kann. Die Getriebeeingangswelle 5a und die Getriebeausgangswelle 5b sind in einem Getrieberaum 5c angeordnet, der von dem Gehäuse 3 begrenzt ist. Der Getrieberaum 5c ist in üblicher Weise mit einem Getriebeöl befüllt.Furthermore, the
Der Kettenzug 1 kann mittels einer nicht dargestellten Öse, die außen und oben an dem Gehäuse 3 angreift, an einer gewünschten Stelle aufgehängt werden.The
Die
Die Rutschkupplung 4 besteht im Wesentlichen aus dem ersten Kupplungselement 4a und dem zweiten Kupplungselement 4b. Das auf der Motorwelle 2a befestigte erste Kupplungselement 4a hat im Wesentlichen die Form einer Hülse mit einem Flanschansatz, die in ein erstes Befestigungsteil 4e und ein flanschartige erstes Kupplungsscheibenteil 4f aufgeteilt werden kann. Der Befestigungsteil 4e und der Kupplungsscheibenteil 4f unterscheiden sich im Wesentlichen durch ihre voneinander verschiedenen Außendurchmesser a, b. Der Außendurchmesser a des Befestigungsteils 4e geht sprungartig in den Außendurchmesser b des Kupplungsscheibenteils 4f über. Hierdurch wird an dem Kupplungsscheibenteils 4f eine ringförmige Anlagefläche 4g geschaffen, an der der Innenring 13a eines Kugellagers 13 anliegt, über das das Befestigungsteil 4e und somit die darin eingesteckte Motorwelle 2a an der Innenfläche 12a der Bohrung 12 gelagert wird. An das Kugellager 13 in Richtung des Antriebsmotors 2 gesehen angrenzend ist ein Dichtring 14 auf das Befestigungsteil 4e aufgesteckt, der sich außen an der Innenfläche 12 der Bohrung 12 abstützt und somit das Befestigungsteil 4e in der Bohrung 12 und somit den Getrieberaum 5c abdichtet.The
Des Weiteren ist der
Auch ist es im Sinne der Erfindung möglich, die Form und Steigung der Gewindegänge zu variieren. Denkbar sind auch mehrgängige Gewinde oder Nuten, die in Längsrichtung der Motorwelle ausgerichtet sind, um ein Art Schaufelradeffekt zu erreichen.Also, it is within the meaning of the invention possible to vary the shape and pitch of the threads. Also conceivable are multi-start threads or grooves, which are aligned in the longitudinal direction of the motor shaft in order to achieve a kind of paddle wheel effect.
Im Gegensatz zu dem ersten Kupplungselement 4a sind die Anforderungen an eine ausreichende Kühlung des zweiten Kupplungselements 4b leichter zu erfüllen, da das zweite Kupplungselements 4b an einem dem Getrieberaum 5c zugewandten Ende der Bohrung 12 angeordnet ist und somit die Reibungswärme leicht an das Getriebeöl abgeben kann. Das zweite Kupplungselement 4b weist grundsätzlich die gleiche Bauform wie das erste Kupplungselement 4a auf, wobei die Vertiefungen 15 und die Überdimensionierung nicht erforderlich sind. Entsprechender Weise hat das zweite Kupplungselement 12b die Form einer Hülse mit einem Flanschansatz, die in ein zweites Befestigungsteil 4i und ein flanschartiges zweites Kupplungsscheibenteil 4j aufgeteilt werden kann. Der zweite Befestigungsteil 4i und der zweite Kupplungsscheibenteil 4j unterscheiden sich im Wesentlichen durch ihre voneinander verschiedenen Außendurchmesser e, f. Der Außendurchmesser e des Befestigungsteils 4i geht sprungartig in den Außendurchmesser f des Kupplungsscheibenteils 4j über. Hierdurch wird an dem zweiten Kupplungsscheibenteils 4j eine ringförmige zweite Kupplungsfläche 4l geschaffen, an der der ringförmige Reibbelag 4c aufgeklebt ist. Der Reibbelag 4c liegt mit seiner gegenüber liegenden Reibfläche an der ersten Kupplungsfläche 4k des zweiten Kupplungsscheibenteils 4j an. Die erste ringförmige Kupplungsfläche 4k ist parallel zur Anlagefläche 4g des ersten Kupplungsscheibenteil 4f angeordnet und liegt an der der Anlagefläche 4g gegenüber liegenden Seite des ersten Kupplungsscheibenteil 4f.In contrast to the first coupling element 4a, the requirements for sufficient cooling of the
Des Weiteren weist das zweite Kupplungsscheibenteil 4j eine zu der zweiten Kupplungsfläche 4l parallele und hierzu gegenüber liegende Ringfläche 4m auf, die am Ende der Bohrung 12 angeordnet ist und dem Getrieberaum 5c zugewandt ist. Entsprechend ist das zweite Kupplungselement 4b gut über deren Ringfläche 4m zu kühlen.Furthermore, the second coupling disk part 4j has a
Auch zeigt die
- 11
- Kettenzugchain
- 22
- Antriebsmotordrive motor
- 2a2a
- Motorwellemotor shaft
- 33
- Gehäusecasing
- 3a3a
- Außenwandouter wall
- 3b3b
- Zwischenwandpartition
- 44
- Rutschkupplungslip clutch
- 4a4a
- erstes Kupplungselementfirst coupling element
- 4b4b
- zweites Kupplungselementsecond coupling element
- 4c4c
- Reibbelagfriction lining
- 4d4d
- Außenflächeouter surface
- 4e4e
- erstes Befestigungsteilfirst fastening part
- 4f4f
- erstes Kupplungsscheibenteilfirst clutch pulley part
- 4g4g
- Anlageflächecontact surface
- 4h4h
- Umfangsflächeperipheral surface
- 4i4i
- zweites Befestigungsteilsecond fastening part
- 4j4y
- zweites Kupplungsscheibenteilsecond clutch pulley part
- 4k4k
- erste Kupplungsflächefirst coupling surface
- 4l4l
- zweite Kupplungsflächesecond coupling surface
- 4m4m
- Ringflächering surface
- 55
- Getriebetransmission
- 5a5a
- GetriebeeingangswelleTransmission input shaft
- 5b5b
- GetriebeausgangswelleTransmission output shaft
- 5c5c
- Getrieberaumgear compartment
- 66
- KettenradSprocket
- 77
- Bremsebrake
- 88th
- Abdeckungcover
- 99
- Federelementspring element
- 10a10a
- erstes Zahnradfirst gear
- 10b10b
- zweites Zahnradsecond gear
- 1111
- KetteChain
- 1212
- Bohrungdrilling
- 12a12a
- Innenfläche der Bohrung 12Inner surface of the bore 12th
- 1313
- Kugellagerball-bearing
- 13a13a
-
Innenring des Kugellagers 13Inner ring of the
ball bearing 13 - 1414
- Dichtringseal
- 1515
- Vertiefungenwells
- 1616
- Kupplungsbohrungcoupling hole
- 1717
- Nadellagerneedle roller bearings
- aa
-
Außendurchmesser des ersten Befestigungsteils 4eOuter diameter of the
first attachment part 4e - bb
- Außendurchmesser des ersten Kupplungsscheibenteils 4fOuter diameter of the first clutch disk part 4f
- dd
-
Außendurchmesser der Kupplung 4Outer diameter of the
coupling 4 - ee
-
Außendurchmesser des zweiten Befestigungsteils 4iOuter diameter of the
second fastening part 4i - ff
- Außendurchmesser des zweiten Kupplungsscheibenteils 4jOuter diameter of the second clutch disk part 4j
- ii
- Innendurchmesser der Bohrung 12Inner diameter of the bore 12th
- ss
- Spaltgap
Claims (7)
- Chain hoist having an electric drive motor (2) which is connected to a gearbox (5) via a slipping clutch (4), the slipping clutch (4) having, to improve the dissipation of heat, an outer surface (4c) of enlarged area in the form of depressions (15) arranged in the outer surface (4c) of the slipping clutch (4), characterised in that the depressions (15) in the outer surface (4c) of the slipping clutch (4) are formed to extend round in a loop in the form of turns of a thread.
- Chain hoist according to claim 1, characterised in that the slipping clutch (4) comprises a first clutch member (4a) in sleeve form having a first annular connecting surface (4k), a second clutch member (4b) in sleeve form having a second annular connecting surface (4l), and a friction lining (4c) between the first connecting surface (4k) and the second connecting surface (41).
- Chain hoist according to claim 2, characterised in that the first clutch member (4a) comprises a first fastening part (4e) in sleeve form and a first clutch-disc part (4f) in sleeve form which is connected thereto, the second clutch member (4b) comprises a second fastening part (4i) in sleeve form and a second clutch-disc part (4j) in sleeve form which is connected thereto, and, to improve heat dissipation, the outer surface (4c) is arranged in the region of the circumferential surface (4h) of the first clutch-disc part (4f).
- Chain hoist according to claim 3, characterised in that the second fastening part (4i) is inserted in the first clutch member (4a).
- Chain hoist according to one of claims 1 to 4, characterised in that the slipping clutch (4) is arranged in a bore (12) in a housing (3) of the gearbox (5).
- Chain hoist according to claim 5, characterised in that there is arranged inside the housing (3) a gearing compartment (5c) which communicates with the bore (12) and which is filled with a gear oil.
- Chain hoist according to claim 5 or 6, characterised in that a gap (s) is arranged between the cylindrical outer surface (4d) of the slipping clutch (4) and the inner surface (12a) of the bore (12).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009053613A DE102009053613A1 (en) | 2009-11-17 | 2009-11-17 | Chain hoist with a slip clutch |
PCT/EP2010/066995 WO2011061083A1 (en) | 2009-11-17 | 2010-11-08 | Chain hoist having a slip clutch |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2501639A1 EP2501639A1 (en) | 2012-09-26 |
EP2501639B1 true EP2501639B1 (en) | 2013-10-30 |
Family
ID=43585536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10779299.6A Active EP2501639B1 (en) | 2009-11-17 | 2010-11-08 | Chain hoist having a slip clutch |
Country Status (13)
Country | Link |
---|---|
US (1) | US8910923B2 (en) |
EP (1) | EP2501639B1 (en) |
JP (1) | JP2013510999A (en) |
KR (1) | KR20120129866A (en) |
CN (1) | CN102803119B (en) |
AU (1) | AU2010321101B2 (en) |
BR (1) | BR112012011496B1 (en) |
CA (1) | CA2780984A1 (en) |
DE (1) | DE102009053613A1 (en) |
ES (1) | ES2439506T3 (en) |
MX (1) | MX2012005606A (en) |
RU (1) | RU2522205C2 (en) |
WO (1) | WO2011061083A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102424337A (en) * | 2011-10-28 | 2012-04-25 | 上海东锐风电技术有限公司 | Electric chain block for wind turbine towers |
DE102014101654B4 (en) * | 2014-02-11 | 2017-10-05 | Konecranes Global Corporation | Hoist with hysteresis clutch |
DE102014117561A1 (en) | 2014-11-28 | 2016-06-02 | Terex Mhps Gmbh | Trolley for a hoist |
EP3253534B1 (en) * | 2015-02-06 | 2020-05-06 | Milwaukee Electric Tool Corporation | Gas spring-powered fastener driver |
DE102015102140A1 (en) | 2015-02-13 | 2016-08-18 | Terex MHPS IP Management GmbH | Arrangement of an electric drive motor, a transmission and a rotary encoder, in particular for a cable pull |
KR101546801B1 (en) * | 2015-04-06 | 2015-08-25 | 주식회사 대산이노텍 | Hoist including regenerative brake resistor |
CN106081987B (en) * | 2016-07-18 | 2019-02-12 | 维多利科技(江苏)有限公司 | A kind of underloading Lever Blocks and its arrestment mechanism |
CN110255080A (en) * | 2019-07-17 | 2019-09-20 | 山西煤矿机械制造股份有限公司 | Distance-limiting type chain wheel assembly |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE354283C (en) * | 1916-08-08 | 1922-06-06 | Gandenberger Sche Maschinenfab | Milling of cooling threads also on the bottom of engine cylinders |
DE699344C (en) * | 1937-02-18 | 1940-11-27 | Clemens Fa Ludwig | Screw band coupling |
US2175382A (en) * | 1937-06-18 | 1939-10-10 | Ind Clutch Company | Hoist clutch and brake mechanism |
US2349494A (en) * | 1941-05-02 | 1944-05-23 | Thomas L Fawick | Assembly for clutches and brakes |
US2348382A (en) * | 1942-09-17 | 1944-05-09 | Marion Steam Shovel Co | Safety device for hoisting mechanism |
US2525402A (en) * | 1947-08-02 | 1950-10-10 | Cleveland Crane Eng | Hoist brake |
US3319751A (en) * | 1965-03-02 | 1967-05-16 | Curtiss Wright Corp | Spring clutch and slip coupling connected in series |
US3396557A (en) * | 1966-08-19 | 1968-08-13 | Black & Decker Mfg Co | Adjustable slip clutch for rotary tools |
US4491203A (en) * | 1983-06-01 | 1985-01-01 | Eaton Corporation | Power screw disc brake with internal automatic slack adjuster |
DE10244865B4 (en) | 2002-09-23 | 2004-09-30 | Demag Cranes & Components Gmbh | chain |
DE102006001154B4 (en) * | 2006-01-06 | 2009-01-22 | Yale Industrial Products Gmbh | Electric hoist |
KR100803260B1 (en) * | 2007-03-14 | 2008-02-13 | 주식회사현대호이스트 | Chain hoist |
CN201180750Y (en) * | 2008-04-03 | 2009-01-14 | 刘珍利 | Plate type friction clutch of engine |
-
2009
- 2009-11-17 DE DE102009053613A patent/DE102009053613A1/en not_active Withdrawn
-
2010
- 2010-11-08 MX MX2012005606A patent/MX2012005606A/en active IP Right Grant
- 2010-11-08 CN CN201080051183.XA patent/CN102803119B/en active Active
- 2010-11-08 EP EP10779299.6A patent/EP2501639B1/en active Active
- 2010-11-08 BR BR112012011496-4A patent/BR112012011496B1/en active IP Right Grant
- 2010-11-08 WO PCT/EP2010/066995 patent/WO2011061083A1/en active Application Filing
- 2010-11-08 US US13/509,414 patent/US8910923B2/en active Active
- 2010-11-08 KR KR1020127011778A patent/KR20120129866A/en active IP Right Grant
- 2010-11-08 AU AU2010321101A patent/AU2010321101B2/en active Active
- 2010-11-08 JP JP2012538294A patent/JP2013510999A/en not_active Withdrawn
- 2010-11-08 ES ES10779299.6T patent/ES2439506T3/en active Active
- 2010-11-08 CA CA2780984A patent/CA2780984A1/en not_active Abandoned
- 2010-11-18 RU RU2012120400/11A patent/RU2522205C2/en active
Also Published As
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RU2012120400A (en) | 2013-12-27 |
CA2780984A1 (en) | 2011-05-26 |
KR20120129866A (en) | 2012-11-28 |
US8910923B2 (en) | 2014-12-16 |
WO2011061083A1 (en) | 2011-05-26 |
AU2010321101A1 (en) | 2012-06-07 |
BR112012011496A2 (en) | 2017-12-19 |
MX2012005606A (en) | 2012-10-03 |
DE102009053613A1 (en) | 2011-05-19 |
CN102803119A (en) | 2012-11-28 |
AU2010321101B2 (en) | 2014-06-26 |
EP2501639A1 (en) | 2012-09-26 |
CN102803119B (en) | 2015-07-15 |
BR112012011496B1 (en) | 2020-11-03 |
US20120234643A1 (en) | 2012-09-20 |
JP2013510999A (en) | 2013-03-28 |
RU2522205C2 (en) | 2014-07-10 |
ES2439506T3 (en) | 2014-01-23 |
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