EP0659677B1 - Laufkatze - Google Patents
Laufkatze Download PDFInfo
- Publication number
- EP0659677B1 EP0659677B1 EP94120183A EP94120183A EP0659677B1 EP 0659677 B1 EP0659677 B1 EP 0659677B1 EP 94120183 A EP94120183 A EP 94120183A EP 94120183 A EP94120183 A EP 94120183A EP 0659677 B1 EP0659677 B1 EP 0659677B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cable
- sprocket
- chain
- pulley
- side wall
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
- B66C11/04—Underhung trolleys
- B66C11/06—Underhung trolleys running on monorails
-
- 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
Definitions
- the invention relates to a trolley in the design as movable by hand or by means of a motor Monorail trolley, with one by hand or by means of a Motor operated hoist with one on each side of the Carrier extending side wall and one each on this rotatable pulley or chain sprocket - depending on whether a rope as a flexible strand for lifting and lowering the load, especially a steel rope or chain is used - via which a rope or a load chain can be raised and lowered Carrying means is guided, and with at least one each the carrier movable and rotatably mounted on the side wall Impeller on each side.
- a known construction of a trolley of the above Art has a chain sprocket that is centered below the carrier is arranged and with both laterally arranged by the carrier Side walls of the trolley is firmly connected. Disadvantageous on this trolley is that due to the arrangement of the Chain nut under the load hook carrier or, if one Traverse with a double strand chain is used that Crossbeam not directly to the lower flange of the beam can be raised.
- the well-known trolley therefore has a relative large height, which is particularly disadvantageous for such Use cases in which only a small amount of space is available is available such as B. in the off-shore area.
- the object of the present invention is therefore a trolley to create a flat design, namely one with the smallest possible height, and at the same time a simple one Construction permitted.
- the pulley is used to achieve this object or the chain sprocket and the impeller on each side mounted together on one axis, the pulley or the chain sprocket arranged between the side wall and the impeller is.
- the main advantages of the invention are that as a result the positioning of the chain sprocket at the level of the impeller a low height of the trolley, both below of the support flange, so that the hook or the traverse to Lower flange of the carrier can be pulled up, as well as in the area can be reached on both sides of the carrier, so that too Beams with a relatively low web height can be used and the trolley z. B. can be arranged very close to the ceiling. According to the chain sprocket and the impeller are on everyone Side of the carrier not only at the same height, but it are both arranged in a space-saving manner on the same axis.
- the impeller On the common axis on each side is the tracking force the impeller generates a first bending moment on the axle, usually through the axis on the side wall and is transferred from here to the rest of the chassis.
- the chain sprocket on this axis is arranged, results from the from the chain through the Load transmitted to the chain sprocket second bending moment acting on the axis, however is opposed to the first bending moment.
- acts on the side wall in the arrangement according to the invention only a relatively small resulting moment, namely the Difference between the first and the second bending moment the place where the axis on the side wall is preferred is fixed by welding.
- the force curve is due to the arrangement according to the invention consequently different from conventional constructions in which the side walls and accordingly their cross connections one from the load across the chain to the loadbearing one Construction subject to stress that is essential is higher. Since according to the invention an immediate Power flow between load, chain, chain sprocket, axle, impeller and Carrier without substantial involvement of the side wall, is a very inexpensive dimensioning of the side walls and the rest of the construction possible.
- Trolleys result from the subclaims.
- Very advantageous is, for example, that the guide roller according to the invention and the chain sprocket on both sides of the carrier each in the on the same level, in contrast to known constructions, where due to the high stress on the side wall due to bending moments also a double-walled version of the Side wall with a correspondingly high manufacturing effort required is.
- Figures 1 and 2 show a trolley 1 in a two-strand version.
- the trolley 1 is with two pairs of wheels 2, 2 'in the front part (right in Fig. 1) of the trolley 1 and with a pair of support wheels 7 in the rear part of the trolley 1 (left in Fig. 1) on a lower flange 3 of a carrier 4th movably supported.
- the carrier 4 can, for. B. not one illustrated flange on the ceiling of a room or on be attached to a supporting structure or the like.
- In 1 and 3 is the underside of the lower flange 3 by a dashed line 3 'indicated.
- the trolley 1 has two mutually parallel Side walls 5, 6 made of sheet steel, which are parallel as well extend on both sides of the carrier 4 and in the rear Part by cross bolt 22 (Fig. 1) and in the front part Cross bolt 23 to an overall torsion-resistant construction are interconnected.
- Chain sprocket 11 rotatably mounted between the side wall 5 or 6 and the respective impeller 2 of the middle pair of impellers.
- the chain 13 extends from the drive unit 14 via a on the respective side wall 5, 6 rotatably mounted deflection roller 15 and via the chain sprocket 11 as a chain strand 13a or 13b (cf. FIG. 2) to form a traverse 17 of a load hook 16.
- each strand 13a, 13b of the Chains 13 are each (not shown) on corresponding ones Sides of the traverse 17 attached.
- the other end of each chain 13 is attached to the suspension plate of the drive unit 14 Chains 13 including strands 13a, 13b on both sides of the carrier 4 each in a vertical plane performed so that there are no tilting moments.
- the drive the chains 13 arranged on both sides of the carrier 4 takes place synchronously via chain wheels 19 indicated in FIG Drive unit 14.
- the chain wheels 19 are over a Motor 20 and a gear 21, which are on different sides are opposite the vertical plane of the carrier 4 (FIG. 2) driven.
- Fig. 2 also illustrates the very flat overall height the trolley 1 and especially that the truss 17 with the load hook 16 directly to the lower flange 3 of the Carrier 4 can be pulled up. Nubs 24 on the top the cross member 17 prevent the cross member 17 from striking the lower flange 3.
- the second embodiment shown in FIGS. 3 and 4 differs from the first embodiment in that that the chains 13 in the stroke area below the wheels 2, 2 ' run a total of four lines, namely with one Double strand 13a 'and 13b'.
- the deflection of each strand 13a ', 13b 'in the area of the crossmember 17 takes place on the crossmember 17 rotatably mounted support rollers 30, and in the area of the wheels 2, 2 'is the end of the respective strand 13a' or 13b ' a rocker mounted on the respective side wall 5, 6 25 attached, namely in each case on the front axis 9 in the level of the opposite chain sprocket 11 is mounted.
- the operation of the four-strand version is otherwise like the two-strand version with the known difference, that in the four-strand version Nominal load doubled and the lifting speed halved.
- trolley 1 in both Embodiments should be pointed out that the lower longitudinal side of the side walls 5, 6 each 1 and 3 visible recesses 26, 27 for the Traverse 17 and the drive unit 14 are located and the Trolley 1 on the back through the rear wall 18 and on the Front is completed by the front wall 28. Above the chain nuts 11 are located on the respective one Side wall 5, 6 attached covers 29.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Description
- Fig. 1
- ein erstes Ausführungsbeispiel einer Laufkatze in Seitenansicht;
- Fig. 2
- eine teilweise geschnittene Vorderansicht der Laufkatze des ersten Ausführungsbeispiels;
- Fig. 3
- ein zweites Ausführungsbeispiel einer Laufkatze in Seitenansicht und
- Fig. 4
- eine teilweise geschnittene Vorderansicht der Laufkatze des zweiten Ausführungsbeispiels mit den Schnittebenen I und II.
Claims (8)
- Laufkatze in der Ausführung als an einem Träger (4) von Hand oder mittels eines Motors verfahrbare Einschienenlaufkatze (1), mit einem von Hand oder mittels eines Motors (20) betätigbaren Hubwerk mit je einer auf beiden Seiten des Trägers (4) verlaufenden Seitenwandung (5, 6) und einer jeweils an dieser drehbar gelagerten Seilrolle oder Kettennuß (11) - je nachdem ob als flexibler Strang zum Heben und Senken der Last ein Seil, insbesondere ein Stahlseil oder eine Kette verwendet wird -, über die ein Seil oder eine Kette (13) zu einem heb- und senkbaren Tragmittel (16, 17) geführt ist, und mit mindestens je einem auf dem Träger (4) bewegbaren und an der betreffenden Seitenwandung (5, 6) drehbar gelagerten Laufrad (2, 2'), dadurch gekennzeichnet, daß auf jeder Seite der Laufkatze (1) die Seilrolle bzw. die Kettennuß (11) und das Laufrad (2, 2') jeweils auf einer gemeinsamen Achse (8) gelagert sind, wobei die Seilrolle bzw. Kettennuß (11) zwischen der Seitenwandung (5, 6) und dem Laufrad (2, 2') angeordnet ist.
- Laufkatze nach Anspruch 1, dadurch gekennzeichnet, daß das Seil bzw. die Kette (13) von einem Antriebsaggregat (14) ausgehend auf jeder Seite über mindestens eine Umlenkrolle (15) zu der Seilrolle bzw. der Kettennuß (11) geführt ist, wobei die Umlenkrolle (15) und Seilrolle bzw. die Kettennuß (11) jeweils in der gleichen vertikalen Ebene angeordnet sind.
- Laufkatze nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die beiden Seitenwandungen (5, 6) durch den Träger (4) unterquerende Querbolzen (22, 23) fest miteinander verbunden sind und Ausnehmungen (26, 27) für das Tragmittel und für das Antriebsaggregat (14) aufweisen.
- Laufkatze nach einem der Ansprüche 1 - 3, dadurch gekennzeichnet, daß die gemeinsame Achse (8) für das Laufrad (2, 2') und die Seilrolle bzw. die Kettennuß (11) auf jeder Seite nur an der Seitenwandung (5, 6) befestigt ist, so daß das Laufrad (2, 2') und die Seilrolle bzw. die Kettennuß (11) gemeinsam fliegend gelagert sind.
- Laufkatze nach einem oder mehreren der Ansprüche 1 - 4, dadurch gekennzeichnet, daß die Seilrolle bzw. die Kettennuß (11) unmittelbar sowie dicht neben dem Laufrad (2, 2') auf der Achse (8) angeordnet ist.
- Laufkatze nach einem oder mehreren der Ansprüche 1 - 5, dadurch gekennzeichnet, daß das Tragmittel eine mit einem Lasthaken (16) versehene Traverse (17) ist, an der die über die Seilrollen bzw. die Kettennüsse (11) geführten Kettenstränge (13a, 13b) bzw. Seilstränge angeschlagen sind.
- Laufkatze nach einem oder mehreren der Ansprüche 1 - 5, dadurch gekennzeichnet, daß das Tragmittel eine mit einem Lasthaken (16) versehene Traverse (17) ist und jedes Seil bzw. jede Kette (13) über je eine von an beiden Seiten der Traverse (17) gelagerten Tragrollen (30) geführt und das Kettenende bzw. Seilende jeweils an einer in Höhe der Laufräder (2, 2') an der Seitenwandung (5, 6) gelagerten Schwinge (25) befestigt ist.
- Laufkatze nach Anspruch 7, dadurch gekennzeichnet, daß die Schwinge (25) auf der Achse (9) des benachbarten Laufrades (2') gelagert ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9319603U | 1993-12-22 | ||
DE9319603U DE9319603U1 (de) | 1993-12-22 | 1993-12-22 | Laufkatze |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0659677A1 EP0659677A1 (de) | 1995-06-28 |
EP0659677B1 true EP0659677B1 (de) | 1998-03-18 |
Family
ID=6902280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94120183A Expired - Lifetime EP0659677B1 (de) | 1993-12-22 | 1994-12-20 | Laufkatze |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0659677B1 (de) |
DE (2) | DE9319603U1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2839302B1 (fr) * | 2002-05-02 | 2005-08-05 | Nfm Tech | Chariot d'un moyen de manutention d'une charge assurant le levage de la charge sous une poutre avec une hauteur perdue reduite |
SE544420C2 (en) * | 2020-06-25 | 2022-05-17 | Svero Lifting Ab | Compact and portable lifting arrangement, conversion kit for a lifting arrangement, and a method to assemble such conversion kit |
CN114291719A (zh) * | 2022-02-22 | 2022-04-08 | 大连宏远气动液压船舶辅机有限公司 | 起吊装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE749581C (de) * | 1940-10-24 | 1944-11-25 | Heinrich De Fries G M B H | Unterflanschlaufkatze |
DE2927981C2 (de) * | 1979-07-11 | 1984-04-19 | Neuhäuser KG, 4670 Lünen | Hubbalken für den Materialtransport an Einschienenhängebahnen in Untertagebetrieben |
IT1252110B (it) * | 1989-05-26 | 1995-06-05 | Beebe Int | Apparecchiatura di sollevamento a profilo basso |
DE4111520A1 (de) * | 1991-02-19 | 1992-10-29 | Stahl R Foerdertech Gmbh | Schwingarmer elektrokettenzug |
-
1993
- 1993-12-22 DE DE9319603U patent/DE9319603U1/de not_active Expired - Lifetime
-
1994
- 1994-12-20 EP EP94120183A patent/EP0659677B1/de not_active Expired - Lifetime
- 1994-12-20 DE DE59405473T patent/DE59405473D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE9319603U1 (de) | 1995-04-20 |
EP0659677A1 (de) | 1995-06-28 |
DE59405473D1 (de) | 1998-04-23 |
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