EP1400483B1 - Kettenzug - Google Patents
Kettenzug Download PDFInfo
- Publication number
- EP1400483B1 EP1400483B1 EP03018722A EP03018722A EP1400483B1 EP 1400483 B1 EP1400483 B1 EP 1400483B1 EP 03018722 A EP03018722 A EP 03018722A EP 03018722 A EP03018722 A EP 03018722A EP 1400483 B1 EP1400483 B1 EP 1400483B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- input shaft
- chain hoist
- slip clutch
- gearbox input
- 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.)
- Expired - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 description 47
- 238000010276 construction Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000036316 preload Effects 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
Definitions
- the invention relates to a chain hoist with a drive motor with a motor shaft, the output side via a slip clutch with a first gear having and mounted in a housing via pivot bearings Transmission input shaft of at least one-stage transmission is connected.
- the Thrust washer connected to a push rod by the as a hollow shaft trained transmission input shaft is guided. That from the clutch opposite end of the transmission input shaft outstanding end of the Push rod is in the way with a tension spring and a Gewindeinstellmutter connected, that over the Gewindeinstellmutter the compressive force on the push rod and thus the maximum transferable torque of the clutch is adjustable. Since the transmission input shaft and the push rod on the disc brake after outside, the thread adjusting nut is easy to adjust to reach. The design of the transmission input shaft as a hollow shaft and the Use of the push rod, however, are structurally very expensive.
- the invention is based on the object, a structurally simple chain hoist to create with a slip clutch.
- Transmission input shaft of at least one-stage transmission is connected, a structurally simple construction, characterized in that the Transmission input shaft for a Reibkraftver selectedung the slip clutch in the Rotary bearings is mounted floating, wherein the pinion of the transmission input shaft is formed in a helical toothing in such a way that when operating the chain hoist caused by the helical gear axial force in the longitudinal direction of the transmission input shaft leads to a Reibkraftver selectedung the slip clutch.
- the transmission input shaft allows a particularly simple adjustment of Preload the slip clutch.
- a compact design is achieved by that the slip clutch is adjacent to the first gear on the Transmission input shaft is arranged and is supported on one of the pivot bearing.
- the by the helical gearing caused axial force to a Reibkraftverstärkung the slip clutch, preferably in lifting operation, lead.
- the transmission input shaft is at one end via a spring element for acting on the slip clutch on the second Supported pivot bearing and the spring element consists of disc spring elements.
- the spring element consists of disc spring elements.
- an adjustability of the bias of the spring element achieved in that the pivot bearing mounted longitudinally displaceable in the housing and via an adjusting screw supporting the housing in the direction of the housing Spring element is displaceable.
- a Brake arranged, which acts on the transmission input shaft.
- the brake distanced to the adjusting screw on the Housing attached. As a result, the adjustment remains easily accessible and also a standard brake can be used.
- This brake is preferred designed as an electromagnetically actuated disc brake.
- the slip clutch is in Essentially from a thrust washer, which is supported on the first pivot bearing, and a clutch disc with a clutch lining, at which the Transmission input shaft supported.
- the chain hoist comprises an electric drive arrangement Drive motor 2 and a downstream transmission 3 with two gear stages. On whose transmission output shaft 4 is rotatably connected to this a sprocket. 5 for the chain.
- the chain hoist can by means of an eyelet on a support element (both not shown).
- the motor 2 comprises a stator 9, a rotor 9a, a motor winding 10 and a Motor shaft 11, via the motor pivot bearing 12 and a first pivot 13th is supported, wherein the drive-side first pivot bearing 13 at the same time Motor shaft 11 and the transmission input shaft 14 is supported.
- the transmission input shaft 14 is to form a first gear 18a of the first Gear stage of the transmission 3 between the first pivot bearing 13 and the second Pivot bearing 13a provided with a helical toothing.
- the first gear 18a of the first gear stage meshes with a second gear 18b with a corresponding helical toothing, which is parallel to a Transmission output shaft 4 and the transmission input shaft 14 aligned Transmission shaft 15 is mounted.
- On this gear shaft 15 sits a third gear 18c from the second gear stage, with a on the transmission output shaft 4th rotatably seated fourth gear meshes 18d and so the transmission output shaft. 4 drives. All gear shafts 4, 14 and 15 are parallel to each other.
- the sprocket 5 is the output-side end face 19 of the Drive motor 2 facing, wherein the distance of the sprocket 5 of this End face 19 is selected so that the seated on the shaft 4 flying sprocket. 5 by loosening a locking ring 20 to the front side 19 of the Transmission output shaft 4 is removable. Before loosening the sprocket 5 must be Cover 20a are removed.
- FIG. 1 and FIG. 2 which is an enlarged detail of Figure 1 from the range of the first gear stage with the first and second Gear 18a, 18b shows, it can be seen that the transmission input shaft 14th floating, i. slidable in the axial direction, via the first pivot bearing 13 and the second pivot bearing 13 a is mounted in the housing 1.
- the slip clutch 50 is in Essentially from a clutch disc 51 with an annular Clutch pad 56, a pressure washer 55 and a spring element 53 for Generation of a bias between thrust washer 55 and clutch disc 51.
- the clutch disc 51 consists of a sleeve-shaped central part to which at one end an annular flange for receiving the clutch lining 56 connects.
- the sleeve-shaped central part of the clutch disc 51 is in the sleeve-shaped central part of the comparatively formed pressure disk 55th inserted there, guided in the radial direction and is supported in the axial direction over the Clutch pad 56 on the annular flange of the pressure plate 55 from.
- the thrust washer 55 is in turn supported by its annular flange on the the clutch lining 56 opposite side on the inner ring of the first Rotary bearing 13 from whose outer ring relative to the housing 1 in the axial direction is secured.
- the motor shaft 11 At the slip clutch 50 opposite end of Thrust washer 55, the motor shaft 11 rotatably in the sleeve-shaped part of Thrust washer 55 inserted.
- the spring element 53 is provided, the preferably from abutting and on the transmission input shaft 14th arranged spring washers exists.
- the package of the spring elements 53 supports on one side on the transmission input shaft 14 via a conical Widening formed first shoulder 54 off and on the other side at Inner ring of the second pivot bearing 13a.
- the bias of the spring elements 53 can thus on the first shoulder 54 on the transmission input shaft 14 and over a disposed behind the first gear 18a second shoulder 58 on the sleeve-shaped part of the clutch disc 51 are transmitted.
- FIG. 1 It can also be seen from FIG. 1 that one, preferably as a Electromagnetically operated disc brake trained brake 6 with a Anchor plate 7 at the end of the transmission 3 facing away from the drive motor 2 is arranged.
- This engaging the transmission input shaft 14 brake 6 has the task in case of failure of the slip clutch hanging on the chain hoist Secure load against crashes.
- the brake 6 is at a distance from Housing 1, in particular to the adjusting screw 57 of the slip clutch 50, arranged. By this elevated arrangement of the brake 6 remains the Adjustment screw 57 for adjustment easily accessible from the outside.
- first gear 18a and the second gear 18b each have one mutually corresponding helical gearing, which is selected so that the Slip clutch 50 when lifting the load, ie at normal force flow direction, additionally compressed due to the axial force of the tooth thus caused So a ReibBankverstärkung is effected.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Gear Transmission (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Description
- Figur 1
- einen Längsschnitt durch einen Kettenzug und
- Figur 2
- eine Ausschnittsvergrößerung von Figur 1 aus dem Bereich der ersten Getriebestufe.
- 1
- Gehäuse
- 2
- Antriebsmotor
- 3
- Getriebe
- 4
- Getriebeausgangswelle
- 5
- Kettenrad
- 6
- Bremse
- 7
- Ankerplatte
- 9
- Ständer
- 9a
- Rotor
- 10
- Motorwicklung
- 11
- Motorwelle
- 12
- Motorwelldrehlager
- 13
- erstes Drehlager
- 13a
- zweites Drehlager
- 14
- Getriebeeingangswelle
- 15
- Getriebewelle
- 18a
- erstes Zahnrad
- 18b
- zweites Zahnrad
- 18c
- drittes Zahnrad
- 18d
- viertes Zahnrad
- 19
- Stirnseite
- 20
- Sicherungsring
- 20a
- Abdeckteil
- 50
- Rutschkupplung
- 51
- Kupplungsscheibe
- 53
- Federscheibe
- 54
- erste Schulter
- 55
- Druckscheibe
- 56
- Kupplungsbelag
- 57
- Einstellschraube
- 58
- erste Schulter
Claims (10)
- Kettenzug mit einem Antriebsmotor (2) mit einer Motorwelle (11), die abtriebseitig über eine Rutschkupplung (50) mit einer ein erstes Zahnrad (18a) aufweisende und in einem Gehäuse (1) über Drehlager (13, 13a) gelagerte Getriebeeingangswelle (14) eines zumindest einstufigen Getriebes (3) verbunden ist, dadurch gekennzeichnet dass die Getriebeeingangswelle (14) für eine Reibkraftveränderung der Rutschkupplung (50) in den Drehlagern (13, 13a) schwimmend gelagert ist,
dass das Ritzel (18a) der Getriebeeingangswelle (14) in einer Schrägverzahnung in der Art ausgebildet ist, dass bei Betrieb des Kettenzugs die durch die Schrägverzahnung bewirkte Axialkraft in Längsrichtung der Getriebeeingangswelle (14) zu einer Reibkraftveränderung der Rutschkupplung (50) führt. - Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass die Rutschkupplung (50) benachbart zu dem ersten Zahnrad (18a) auf der Getriebeeingangswelle (14) angeordnet ist und sich an einem der Drehlager (13, 13a) abstützt.
- Kettenzug nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die durch die Schrägverzahnung bewirkte Axialkraft zu einer Reibkraftverstärkung der Rutschkupplung (50), vorzugsweise im Hubbetrieb, führt.
- Kettenzug nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Getriebeeingangswelle (14) an einem Ende über ein Federelement (53) zur Beaufschlagung der Rutschkupplung (50) an dem zweiten Drehlager (13a) abgestützt ist.
- Kettenzug nach Anspruch 4, dadurch gekennzeichnet, dass das Federelement (53) aus Scheibenfederelementen besteht.
- Kettenzug nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass zur Einstellung der Vorspannung des Federelements (53) das Drehlager (13a) längsverschiebbar in dem Gehäuse (1) gelagert und über eine sich am Gehäuse (1) abstützende Einstellschraube (57) in Richtung des Federelements (53) verschiebbar ist.
- Kettenzug nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass an dem der Rutschkupplung (50) abgewandten Ende der Getriebeeingangswelle (14) eine Bremse (6) angeordnet ist, die auf die Getriebeeingangswelle (14) wirkt.
- Kettenzug nach Anspruch 6 und 7, dadurch gekennzeichnet, dass die Bremse (6) mit Abstand zur Einstellschraube (57) aufgeständert an dem Gehäuse (1) befestigt ist.
- Kettenzug nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass die Bremse (6) als elektromagnetisch betätigbare Scheibenbremse ausgebildet ist.
- Kettenzug nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die Rutschkupplung (50) im Wesentlichen aus einer Druckscheibe (55), die sich am ersten Drehlager (13) abstützt, und einer Kupplungsscheibe (51) mit einem Kupplungsbelag (56), an der sich die Getriebeeingangswelle (14) abstützt, besteht.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10244865 | 2002-09-23 | ||
| DE10244865A DE10244865B4 (de) | 2002-09-23 | 2002-09-23 | Kettenzug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1400483A1 EP1400483A1 (de) | 2004-03-24 |
| EP1400483B1 true EP1400483B1 (de) | 2005-07-06 |
Family
ID=31896349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03018722A Expired - Lifetime EP1400483B1 (de) | 2002-09-23 | 2003-08-26 | Kettenzug |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6966545B2 (de) |
| EP (1) | EP1400483B1 (de) |
| DE (2) | DE10244865B4 (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10339440A1 (de) * | 2003-08-25 | 2005-04-07 | Demag Cranes & Components Gmbh | Verfahren zur Überwachung eines Kettenzuges und Kettenzug |
| DE102006001154B4 (de) * | 2006-01-06 | 2009-01-22 | Yale Industrial Products Gmbh | Elektrisches Hebezeug |
| DE102006035919A1 (de) * | 2006-07-31 | 2008-02-14 | Haacon Hebetechnik Gmbh | Hubeinrichtung |
| JP5542319B2 (ja) * | 2008-11-10 | 2014-07-09 | 株式会社日立産機システム | 電気チェーンブロック |
| DE102009036480A1 (de) | 2009-08-07 | 2011-02-17 | Demag Cranes & Components Gmbh | Anordnung zum Messen mindestens einer Betriebskenngröße eines Hebezeuges |
| DE102009053613A1 (de) * | 2009-11-17 | 2011-05-19 | Demag Cranes & Components Gmbh | Kettenzug mit einer Rutschkupplung |
| JP5539173B2 (ja) | 2010-11-25 | 2014-07-02 | 株式会社キトー | 巻上機 |
| DE102015102140A1 (de) | 2015-02-13 | 2016-08-18 | Terex MHPS IP Management GmbH | Anordnung aus einem elektrischen Antriebsmotor, einem Getriebe und einem Drehgeber, insbesondere für einen Seilzug |
| DE102016209537A1 (de) * | 2015-12-02 | 2017-06-08 | Continental Teves Ag & Co. Ohg | Bremsdrucksteuergerät |
| RU2688186C1 (ru) * | 2018-08-20 | 2019-05-21 | федеральное государственное бюджетное образовательное учреждение высшего образования "Уфимский государственный авиационный технический университет" | Способ и устройство монтажа ротора в статор электрической машины |
| US12483092B2 (en) * | 2020-10-22 | 2025-11-25 | Kito Corporation | Clutch-equipped motor and electric chain block |
| CN117644644B (zh) * | 2024-01-30 | 2024-04-05 | 合肥东昇智能装备股份有限公司 | 一种双拉链夹 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB355307A (en) * | 1929-03-22 | 1931-08-24 | Demag Ag | Improvements relating to winches |
| DE701034C (de) * | 1938-02-20 | 1941-01-07 | Demag Akt Ges | teuerhebels in die Nullage durch ein beim Haengenbleiben des Hakens wirksam werdendes Getriebe |
| US2652230A (en) * | 1949-02-16 | 1953-09-15 | Lake Shore Engineering Company | Winch |
| US2800985A (en) * | 1954-01-13 | 1957-07-30 | Ronceray Robert Andre Marcel | Chain hoist drive mechanism |
| US2891767A (en) * | 1954-12-17 | 1959-06-23 | Euclid Crane & Hoist Company | Hoist with gear reduction |
| US3811657A (en) * | 1972-01-12 | 1974-05-21 | C Hoover | Cable winch having a clutch including friction drive and cooling means |
| US3817494A (en) * | 1973-02-22 | 1974-06-18 | Korton Sciences Inc | Drum drive |
| US3915022A (en) * | 1973-10-25 | 1975-10-28 | Eaton Corp | Control arrangement |
| DE3135055C2 (de) * | 1981-09-04 | 1984-04-26 | Jörg Prof. Dipl.-Ing.(FH) 7072 Heubach Linser | Brems-Kupplungs-Kombination |
| JPS5939693A (ja) * | 1982-08-25 | 1984-03-05 | 株式会社キト− | 電気式巻上兼牽引装置 |
| JPS5939695A (ja) * | 1982-08-25 | 1984-03-05 | 株式会社キト− | 巻上兼牽引装置 |
| DE3706325A1 (de) | 1987-02-27 | 1988-09-08 | Phoenix Elekt | Steuer- und datennetzwerk |
| US5123630A (en) * | 1990-06-11 | 1992-06-23 | William L. Watson | Portable winch |
| GB2261419A (en) * | 1991-11-15 | 1993-05-19 | Pace Eng Pty Ltd | Maintaining winch cable tension |
| JP3355484B2 (ja) * | 1998-11-19 | 2002-12-09 | 象印チエンブロック株式会社 | 巻上機 |
| DE19927847C1 (de) * | 1999-06-18 | 2000-10-12 | Hoffmann Foerdertechnik Gmbh W | Lastsicherndes Bremskupplungssystem für kraftangetriebene Hebezeuge, insbesondere für Elektrokettenzüge |
-
2002
- 2002-09-23 DE DE10244865A patent/DE10244865B4/de not_active Withdrawn - After Issue
-
2003
- 2003-08-26 EP EP03018722A patent/EP1400483B1/de not_active Expired - Lifetime
- 2003-08-26 DE DE50300723T patent/DE50300723D1/de not_active Expired - Lifetime
- 2003-09-22 US US10/668,053 patent/US6966545B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1400483A1 (de) | 2004-03-24 |
| US20040149972A1 (en) | 2004-08-05 |
| DE50300723D1 (de) | 2005-08-11 |
| DE10244865A1 (de) | 2004-04-01 |
| DE10244865B4 (de) | 2004-09-30 |
| US6966545B2 (en) | 2005-11-22 |
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