EP1544153A2 - Lower pulley block for hoists with a single pulley - Google Patents

Lower pulley block for hoists with a single pulley Download PDF

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Publication number
EP1544153A2
EP1544153A2 EP04029020A EP04029020A EP1544153A2 EP 1544153 A2 EP1544153 A2 EP 1544153A2 EP 04029020 A EP04029020 A EP 04029020A EP 04029020 A EP04029020 A EP 04029020A EP 1544153 A2 EP1544153 A2 EP 1544153A2
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EP
European Patent Office
Prior art keywords
tie rods
suspension
load hook
tie
deflection device
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.)
Granted
Application number
EP04029020A
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German (de)
French (fr)
Other versions
EP1544153A3 (en
EP1544153B1 (en
Inventor
Karl Zacharias
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Demag Cranes and Components GmbH
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Demag Cranes and Components GmbH
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Publication date
Application filed by Demag Cranes and Components GmbH filed Critical Demag Cranes and Components GmbH
Publication of EP1544153A2 publication Critical patent/EP1544153A2/en
Publication of EP1544153A3 publication Critical patent/EP1544153A3/en
Application granted granted Critical
Publication of EP1544153B1 publication Critical patent/EP1544153B1/en
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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
    • B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
    • 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
    • B66C1/10—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 mechanical means
    • B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
    • B66C1/34—Crane hooks
    • B66C1/36—Crane hooks with means, e.g. spring-biased detents, for preventing inadvertent disengagement of loads
    • 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
    • B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
    • B66D3/046—Openable pulley blocks

Definitions

  • the invention relates to a einrollige lower bottle for lifting equipment with a to a Rotary axle rotatable deflection device for a traction device and a suspension for a load hook, wherein the deflection device and the suspension for the Load hook via two tie rods arranged essentially parallel to one another connected to each other.
  • Single-roller underpants for lifting gear with suspension hooks are off practice known in various embodiments.
  • From DIN 15 411 is a single-roller lower block known in which the load hook to a vertical Axis is rotatably mounted on a load hook suspension.
  • the load hook suspension is attached via two parallel tie rods to an axle on which the Pulley is stored for the traction means.
  • the actual load hook suspension consists in this embodiment of a two tie rods together connecting axle and one on the free end of the axle towering load hook shaft screwed nut.
  • This known construction has a relatively large number of components.
  • a load suspension device is known, with two Side plates is provided, one of which, the so-called movable plate, pivoted about the axis of the roller, which is located between the two plates can be.
  • the reel runs on a bearing that is on an axis located between the outer surfaces of the two plates.
  • the US 2,332,389 discloses a roller axle, in the two housing halves the lower case is stored in suitable receptacles.
  • the invention is based on the object, a simple design to create a single roll for lifting equipment.
  • the invention is in a einrolligen lower bottle for lifting equipment with a rotatable about an axis deflection device for a traction device and a suspension for a load hook, wherein the deflection device and the suspension for the load hook via two tie rods arranged substantially parallel to one another connected to each other, a simple construction achieved by that at least one of the tie rods forms an axle for the deflection device.
  • the Axle is thus integrated in at least one of the tie rods. This can For the first time, the use of an axle as a separate component for storage the deflection are dispensed with. Construction and assembly of the lower case become correspondingly easier.
  • the two tie rods via Screw connections are connected to a longitudinally divided Buchanker Sciences.
  • a longitudinally divided Buchanker Economics At The mutually facing sides of the tie rods is an achstummelförmiger each Arranged approach.
  • the approaches complement each other then advantageously in the screwed together state of the tie rods to an axis for the deflection device.
  • connection of the tie rods to the tie rod body is carried out simply by that centrally in the approaches each one extending in the longitudinal direction Through hole is arranged, in which a screw is inserted.
  • a receiving space for the complete recording of the suspension is designed for the load hook and the two tie rods in the receiving space at least partially surround the mounted suspension of the load hook. It is also proposed that the two tie rods stored in the receiving space At least partially surround the suspension of the load hook.
  • the free ends the two tie rods for forming the receiving space undercuts are aligned facing each other. The facing each other free ends of the tie rods thereby close the gap between the Tie rods almost and thus form support surfaces for the load hook suspension.
  • the tie rods are formed as metal castings.
  • the approaches for the formation of the axis, the Receiving space for the suspension and the passage opening for the deflection device be formed.
  • FIGS. 1 to Figure 4 show a einrollige lower bottle for lifting equipment with a turning about a rotation axis 1 deflecting device 2 for a not illustrated traction means and with a below the deflection device. 2 arranged suspension 3 for a load hook 4, wherein the deflection device. 2 and the suspension 3 for the load hook 4 over two substantially parallel mutually arranged tie rods 5a, 5b are interconnected.
  • the Tie rods 5a, 5b are in the illustrated embodiment in the area of Rotated axis 1 of the deflection device 2 suspended.
  • the deflection device 2 as a pulley is designed for a cable, it is of course also possible, the einrollige lower bottle with a sprocket for a chain as traction means equip.
  • the suspension 3 is for a vertical Axis 6 rotatable load hook 4 from a bearing holder 7, as an axial ball bearing trained thrust bearing 8 and a pressure ring 9, each annular to a shaft 10 of the load hook 4 are arranged.
  • the undercut on the free End of the shaft 10 for receiving the securing element 11 as a circumferential Ring groove 10a is formed, it is also possible, for example, the undercut for receiving the securing element 11 as a taper of the shank cross section form, whereby lower notch stresses than in the annular groove 10a occur.
  • tie rod body 5 is vertical with its longitudinal extent in the operation of the lower bottle aligned.
  • the respective two longitudinal halves of the tie rod body 5 forming Tie rods 5a, 5b are each formed schalenfömig, so that these during assembly the blind-hole-shaped and above-described receiving space 12th at the lower end of the tie rod body 5 and in the middle of a transverse to Longitudinal extension of the tie rod body 5 directed through opening 14th limit.
  • This passage opening 14 serves to carry out the annular Deflection device 2 through the tie rod body. 5
  • this tie rod body 5 is that in the upper Area on the adjacent inner sides of the tie rods 5a, 5b respectively an axis-stubby lug 18a, 18b arranged.
  • These two approaches 18a, 18b complement each other in the bolted together state of the tie rods 5a, 5b an axis 18 with the axis of rotation 1 for the rotatable mounting of the deflection means. 2
  • the axis 18 thus forms the bearing receptacle for the inner bearing shell of a Bearing 17 of the rotatable deflection device 2, whereby the total number of too mounting components can be further reduced.
  • the two approaches 18a, 18b also limit the passage opening 14 upwards.
  • Figure 2 shows that the lugs 18a, 18b centrally in the direction of Rotary axis 1 has a through hole 19a, 19b.
  • These aligned aligned through holes 19a, 19b serve to receive a first screw 15 to the two tie rods 5a, 5b to each other connect.
  • the two other screw 16 arranged in the region of the receiving space 12. By the screw 16 in the region of the receiving space 12 and the screw 15 in the area of Axis 18 ensures that the tie rods 5 through the over the load hook. 4 transmitted tensile forces are not pressed apart.
  • tie rods 5a, 5b in the region of the lugs 18a, 18b at their Pulled outside, so that after mounted screw 15 of the Screw head and the nut with respect to the outer surface of the tie rods 5a, 5b sunk.
  • the screw 15 is then outward with a lid Covered 20, which lies in a plane with the outside of the tie rods 5a, 5b.
  • the tie rods 5a, 5b are formed as metal castings.
  • the lugs 18a, 18b are each components of the tie rods 5a, 5b. hereby a simple construction of the lower bottle is achieved.
  • the free End 5a of the tie rods 5 form, towards each other oriented so that the tie rods 5 in the receiving space 12 Mounted suspension 3 for the load hook 4 at least partially embrace.
  • the formation of the undercuts 13 by the formed free Ends 5c of the tie rods 5 it is also possible to face each other Inner sides of the tie rods 5 to form projections on which the suspension. 3 rests.
  • Such trained unrolled lower bottles for lifting equipment are characterized due to their compact and simple design with low height.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)
  • Massaging Devices (AREA)
  • Earth Drilling (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Emergency Lowering Means (AREA)

Abstract

Die Erfindung betrifft eine einrollige Unterflasche für Hebezeuge mit einer um eine Drehachse (1) drehbaren Umlenkvorrichtung (2) für ein Zugmittel und einer Aufhängung (3) für einen Lasthaken (4), wobei die Umlenkvorrichtung (2) und die Aufhängung (3) für den Lasthaken (4) über zwei im Wesentlichen parallel zueinander angeordnete Zuganker (5) miteinander verbunden sind. Um eine einfach aufgebaute einrollige Unterflasche für Hebezeuge zu schaffen, wird erfindungsgemäß vorgeschlagen, dass mindestens einer der Zuganker (5a, 5b) eine Achse (18) für die Umlenkvorrichtung (2) bildet. <IMAGE>The invention relates to a single - roller lower block for hoists with a deflecting device (2) rotatable about an axis of rotation (1) for a traction means and a suspension (3) for a load hook (4), the deflection device (2) and the suspension (3) for the load hooks (4) are connected to one another via two tie rods (5) arranged essentially parallel to one another. In order to create a single-structure single-roller lower block for hoists, it is proposed according to the invention that at least one of the tie rods (5a, 5b) forms an axle (18) for the deflection device (2). <IMAGE>

Description

Die Erfindung betrifft eine einrollige Unterflasche für Hebezeuge mit einer um eine Drehachse drehbaren Umlenkvorrichtung für ein Zugmittel und einer Aufhängung für einen Lasthaken, wobei die Umlenkvorrichtung und die Aufhängung für den Lasthaken über zwei im Wesentlichen parallel zueinander angeordnete Zuganker miteinander verbunden sind.The invention relates to a einrollige lower bottle for lifting equipment with a to a Rotary axle rotatable deflection device for a traction device and a suspension for a load hook, wherein the deflection device and the suspension for the Load hook via two tie rods arranged essentially parallel to one another connected to each other.

Einrollige Unterflaschen für Hebezeuge mit Aufhängungen für Lasthaken sind aus der Praxis in den verschiedensten Ausführungsformen bekannt. Aus der DIN 15 411 ist eine einrollige Unterflasche bekannt, bei der der Lasthaken um eine vertikale Achse drehbar an einer Lasthaken-Aufhängung gelagert ist. Die Lasthaken-Aufhängung ist über zwei parallele Zuganker an einer Achse befestigt, auf der die Seilrolle für das Zugmittel gelagert ist. Die eigentliche Lasthaken-Aufhängung besteht bei dieser Ausführungsform aus einem die beiden Zuganker miteinander verbindenden Achsbolzen und einer auf das freie Ende des den Achsbolzen durchragenden Lasthakenschaft aufgeschraubten Mutter. Diese bekannte Bauweise weist relativ viele Bauteile auf.Single-roller underpants for lifting gear with suspension hooks are off practice known in various embodiments. From DIN 15 411 is a single-roller lower block known in which the load hook to a vertical Axis is rotatably mounted on a load hook suspension. The load hook suspension is attached via two parallel tie rods to an axle on which the Pulley is stored for the traction means. The actual load hook suspension consists in this embodiment of a two tie rods together connecting axle and one on the free end of the axle towering load hook shaft screwed nut. This known construction has a relatively large number of components.

Aus der DE 36 01 127 C2 ist eine Lastaufhängevorrichtung bekannt, die mit zwei Seitenplatten versehen ist, von denen die eine, die sogenannte bewegliche Platte, um die Achse der Rolle, die zwischen den beiden Platten angeordnet ist, geschwenkt werden kann. Die Rolle läuft auf einem Lager, das sich auf einer Achse befindet, die sich zwischen den Außenflächen der beiden Platten erstreckt.From DE 36 01 127 C2, a load suspension device is known, with two Side plates is provided, one of which, the so-called movable plate, pivoted about the axis of the roller, which is located between the two plates can be. The reel runs on a bearing that is on an axis located between the outer surfaces of the two plates.

Aus der DE 1 093 067 A ist ein entsprechendes Rollengehäuse bekannt, bei dem die Rollenachse in zwei Bohrungen der Gehäusehälften gelagert ist.From DE 1 093 067 A a corresponding roller housing is known in which the roller axle is mounted in two bores of the housing halves.

Auch die US 2,332,389 offenbart eine Rollenachse, die in den beiden Gehäusehälften der Unterflasche in geeigneten Aufnahmen gelagert ist.Also, the US 2,332,389 discloses a roller axle, in the two housing halves the lower case is stored in suitable receptacles.

Auch aus der GB 573,352, der GB 244,180 und der US 2,649,282 ist es in ähnlicher Weise bekannt, die Seilrolle auf einer Achse zu lagern, die in entsprechenden Bohrungen in den jeweiligen seitlichen Gehäusehälften aufgenommen ist.It is also similar from GB 573,352, GB 244,180 and US 2,649,282 Way known to store the pulley on an axle, which in corresponding Holes is received in the respective lateral housing halves.

Davon ausgehend liegt der Erfindung die Aufgabe zugrunde, eine einfach aufgebaute einrollige Unterflasche für Hebezeuge zu schaffen.On this basis, the invention is based on the object, a simple design to create a single roll for lifting equipment.

Diese Aufgabenstellung wird durch eine einrollige Unterflasche mit den Merkmalen des Anspruches 1 gelöst. Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen 2 bis 8 angegeben.This task is performed by a single roll lower block with the features of claim 1 solved. Advantageous embodiments of the invention are in the Subclaims 2 to 8 specified.

Erfindungsgemäß wird bei einer einrolligen Unterflasche für Hebezeuge mit einer um eine Drehachse drehbaren Umlenkvorrichtung für ein Zugmittel und einer Aufhängung für einen Lasthaken, wobei die Umlenkvorrichtung und die Aufhängung für den Lasthaken über zwei im Wesentlichen parallel zueinander angeordnete Zuganker miteinander verbunden sind, eine einfache Bauweise dadurch erreicht, dass mindestens einer der Zuganker eine Achse für die Umlenkvorrichtung bildet. Die Achse ist somit in mindestens einem der Zuganker integriert. Hierdurch kann erstmalig auf die Verwendung einer Achse als gesondertes Bauteil für die Lagerung der Umlenkvorrichtung verzichtet werden. Konstruktion und Montage der Unterflasche werden entsprechend einfacher.According to the invention is in a einrolligen lower bottle for lifting equipment with a rotatable about an axis deflection device for a traction device and a suspension for a load hook, wherein the deflection device and the suspension for the load hook via two tie rods arranged substantially parallel to one another connected to each other, a simple construction achieved by that at least one of the tie rods forms an axle for the deflection device. The Axle is thus integrated in at least one of the tie rods. This can For the first time, the use of an axle as a separate component for storage the deflection are dispensed with. Construction and assembly of the lower case become correspondingly easier.

In bevorzugter Ausgestaltung ist vorgesehen, dass die beiden Zuganker über Schraubverbindungen zu einem längs geteilten Zugankerkörper verbunden sind. An den aneinander zugewandten Seiten der Zuganker ist jeweils ein achstummelförmiger Ansatz angeordnet. Die Ansätze ergänzen sich dann vorteilhafter Weise im zusammen geschraubten Zustand der Zuganker zu einer Achse für die Umlenkvorrichtung.In a preferred embodiment it is provided that the two tie rods via Screw connections are connected to a longitudinally divided Zugankerkörper. At The mutually facing sides of the tie rods is an achstummelförmiger each Arranged approach. The approaches complement each other then advantageously in the screwed together state of the tie rods to an axis for the deflection device.

Zur Erhöhung der Stabilität der Unterflasche liegen die Ansätze der beiden Zuganker im zusammen geschraubten Zustand der Zuganker mit ihren jeweiligen Endflächen aneinander an.To increase the stability of the lower block are the approaches of the two Tie rod in the bolted together state of the tie rods with their respective End faces to each other.

Die Verbindung der Zuganker zu dem Zugankerkörper erfolgt einfach dadurch, dass zentral in den Ansätzen jeweils eine sich in deren Längsrichtung erstreckende Durchgangsbohrung angeordnet ist, in die eine Schraubverbindung eingesteckt ist.The connection of the tie rods to the tie rod body is carried out simply by that centrally in the approaches each one extending in the longitudinal direction Through hole is arranged, in which a screw is inserted.

Eine weitere Reduzierung der Bauteile wird dadurch erreicht, dass die beiden Zuganker in Bezug auf ihre Verbindungsebene im zusammen geschraubten Zustand spiegelsymmetrisch sind.A further reduction of the components is achieved in that the two Tie rod with respect to its connection plane in the bolted together State are mirror-symmetrical.

Gemäß einer Ausführungsform der Erfindung wird vorgeschlagen, dass zwischen den beiden Zugankern ein Aufnahmeraum für die vollständige Aufnahme der Aufhängung für den Lasthaken ausgebildet ist und die beiden Zuganker die in dem Aufnahmeraum gelagerte Aufhängung des Lasthakens zumindest teilweise umgreifen. Auch wird vorgeschlagen, dass die beiden Zuganker die in dem Aufnahmeraum gelagerte Aufhängung des Lasthakens zumindest teilweise umgreifen. Gemäß einer praktischen Ausführungsform der Erfindung ist vorgesehen, dass die freien Enden der beiden Zuganker zur Ausbildung des Aufnahmeraums Hinterschneidungen bildend aufeinander zu weisend ausgerichtet sind. Die aufeinander zu weisenden freien Enden der Zuganker verschließen dabei den Zwischenraum zwischen den Zugankern fast und bilden so Auflageflächen für die Lasthakenaufhängung.According to one embodiment of the invention, it is proposed that between the two tie rods a receiving space for the complete recording of the suspension is designed for the load hook and the two tie rods in the receiving space at least partially surround the mounted suspension of the load hook. It is also proposed that the two tie rods stored in the receiving space At least partially surround the suspension of the load hook. According to one practical embodiment of the invention it is provided that the free ends the two tie rods for forming the receiving space undercuts are aligned facing each other. The facing each other free ends of the tie rods thereby close the gap between the Tie rods almost and thus form support surfaces for the load hook suspension.

In bevorzugter Ausgestaltung sind die Zuganker als Metallgussteile ausgebildet. Somit können in einfacher Weise die Ansätze für die Bildung der Achse, der Aufnahmeraum für die Aufhängung und die Durchgangsöffnung für die Umlenkvorrichtung ausgebildet werden.In a preferred embodiment, the tie rods are formed as metal castings. Thus, in a simple way, the approaches for the formation of the axis, the Receiving space for the suspension and the passage opening for the deflection device be formed.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der zugehörigen Zeichnung, in der ein Ausführungsbeispiel einer erfindungsgemäßen einrolligen Unterflasche für Hebezeuge dargestellt ist. In der Zeichnung zeigt:

Figur 1
eine Seitenansicht einer erfindungsgemäßen einrolligen Unterflasche;
Figur 2
einen Schnitt entlang der Linie II-II gemäß Figur 1;
Figur 3
einen Schnitt entlang der Linie III-III gemäß Figur 1 und
Figur 4
einen Schnitt entlang der Linie IV-IV gemäß Figur 1.
Further features and advantages of the invention will become apparent from the accompanying drawings, in which an embodiment of a einrolligen invention is shown lower hoist for lifting equipment. In the drawing shows:
FIG. 1
a side view of a einrolligen lower bottle according to the invention;
FIG. 2
a section along the line II-II of Figure 1;
FIG. 3
a section along the line III-III according to Figure 1 and
FIG. 4
a section along the line IV-IV of Figure 1.

Die Abbildungen Figur 1 bis Figur 4 zeigen eine einrollige Unterflasche für Hebezeuge mit einer um eine Drehachse 1 drehbaren Umlenkvorrichtung 2 für ein nicht dargestelltes Zugmittel sowie mit einer unterhalb der Umlenkvorrichtung 2 angeordneten Aufhängung 3 für einen Lasthaken 4, wobei die Umlenkvorrichtung 2 und die Aufhängung 3 für den Lasthaken 4 über zwei im Wesentlichen parallel zueinander angeordnete Zuganker 5a, 5b miteinander verbunden sind. Die Zuganker 5a, 5b sind bei der dargestellten Ausführungsform im Bereich der Drehachse 1 der Umlenkvorrichtung 2 aufgehängt.The figures Figure 1 to Figure 4 show a einrollige lower bottle for lifting equipment with a turning about a rotation axis 1 deflecting device 2 for a not illustrated traction means and with a below the deflection device. 2 arranged suspension 3 for a load hook 4, wherein the deflection device. 2 and the suspension 3 for the load hook 4 over two substantially parallel mutually arranged tie rods 5a, 5b are interconnected. The Tie rods 5a, 5b are in the illustrated embodiment in the area of Rotated axis 1 of the deflection device 2 suspended.

Obwohl bei der dargestellten Ausführungsform die Umlenkvorrichtung 2 als Seilrolle für einen Seilzug ausgebildet ist, ist es selbstverständlich auch möglich, die einrollige Unterflasche mit einem Kettenrad für eine Kette als Zugmittel auszustatten.Although in the illustrated embodiment, the deflection device 2 as a pulley is designed for a cable, it is of course also possible, the einrollige lower bottle with a sprocket for a chain as traction means equip.

Wie aus der Figur 2 ersichtlich, besteht die Aufhängung 3 für den um eine vertikale Achse 6 drehbaren Lasthaken 4 aus einer Lageraufnahme 7, einem als Axial-Kugellager ausgebildeten Axiallager 8 sowie einem Druckring 9, die jeweils ringförmig um einen Schaft 10 des Lasthakens 4 angeordnet sind.As can be seen from the figure 2, the suspension 3 is for a vertical Axis 6 rotatable load hook 4 from a bearing holder 7, as an axial ball bearing trained thrust bearing 8 and a pressure ring 9, each annular to a shaft 10 of the load hook 4 are arranged.

Das Festlegen der Aufhängung 3 am Schaft 10 des Lasthakens 4 erfolgt über ein Sicherungselement 11, wie beispielsweise einen Sprengring, das im montierten Zustand einerseits in eine als Ringnut 10a ausgebildete Hinterschneidung am freien Ende des Schaftes 10 eingreift und andererseits in einer Vertiefung 9a des Druckrings 9 angeordnet ist. Diese Bauweise hat den Vorteil, dass sie eine besonders geringe Bauhöhe der Lageranordnung 6 ermöglicht, da das freie Ende des Schaftes 10 nur geringfügig über die Oberkante des Druckrings 9 hinausragt. The fixing of the suspension 3 on the shaft 10 of the load hook 4 via a Securing element 11, such as a snap ring, mounted in the Condition on the one hand in a trained as an annular groove 10a undercut on the free End of the shaft 10 engages and on the other hand in a recess 9 a of Pressure ring 9 is arranged. This construction has the advantage that it is a special low height of the bearing assembly 6 allows, as the free end of the Shank 10 protrudes only slightly beyond the upper edge of the pressure ring 9.

Während in der dargestellten Ausführungsform die Hinterschneidung am freien Ende des Schaftes 10 zur Aufnahme des Sicherungselements 11 als umlaufende Ringnut 10a ausgebildet ist, ist es beispielsweise auch möglich, die Hinterschneidung zur Aufnahme des Sicherungselements 11 als Verjüngung des Schaftquerschnitts auszubilden, wodurch geringere Kerbspannungen als bei der Ringnut 10a auftreten.While in the illustrated embodiment, the undercut on the free End of the shaft 10 for receiving the securing element 11 as a circumferential Ring groove 10a is formed, it is also possible, for example, the undercut for receiving the securing element 11 as a taper of the shank cross section form, whereby lower notch stresses than in the annular groove 10a occur.

Wie weiterhin aus der Figur 2 ersichtlich ist, ist zwischen den beiden Zugankern 5a, 5b ein Aufnahmeraum 12 zur vollständigen Aufnahme der gesamten Aufhängung 3 für den Lasthaken 4 ausgebildet.As can furthermore be seen from FIG. 2, between the two tie rods 5a, 5b a receiving space 12 for completely receiving the entire suspension 3 formed for the load hook 4.

In Bezug auf die beiden Zuganker 5a, 5b ist den Figuren 1 und 2 weiterhin zu entnehmen, dass diese über Schraubverbindungen 15, 16 zu einem im Wesentlichen quaderförmigen Zugankerkörper 5 miteinander verbunden werden. Der Zugankerkörper 5 ist mit seiner Längserstreckung im Betrieb der Unterflasche vertikal ausgerichtet. Die jeweils die beiden Längshälften des Zugankerkörpers 5 bildenden Zuganker 5a, 5b sind jeweils schalenfömig ausgebildet, so dass diese beim Zusammenfügen den sacklochförmigen sowie vorbeschriebenen Aufnahmeraum 12 am unteren Ende des Zugankerkörpers 5 und auch in dessen Mitte eine quer zur Längserstreckung des Zugankerkörpers 5 gerichtete Durchgangsöffnung 14 begrenzen. Diese Durchgangsöffnung 14 dient zur Durchführung der ringförmigen Umlenkvorrichtung 2 durch den Zugankerkörper 5.With respect to the two tie rods 5a, 5b is the figures 1 and 2 continue to infer that these screw connections 15, 16 to a substantially cuboid tie rod body 5 are interconnected. The tie rod body 5 is vertical with its longitudinal extent in the operation of the lower bottle aligned. The respective two longitudinal halves of the tie rod body 5 forming Tie rods 5a, 5b are each formed schalenfömig, so that these during assembly the blind-hole-shaped and above-described receiving space 12th at the lower end of the tie rod body 5 and in the middle of a transverse to Longitudinal extension of the tie rod body 5 directed through opening 14th limit. This passage opening 14 serves to carry out the annular Deflection device 2 through the tie rod body. 5

Eine weitere Besonderheit dieses Zugankerkörpers 5 ist, dass in dessen oberen Bereich an den aneinander angrenzenden Innenseiten der Zuganker 5a, 5b jeweils ein achsstummelartiger Ansatz 18a, 18b angeordnet. Diese beiden Ansätze 18a, 18b ergänzen sich im miteinander verschraubten Zustand der Zuganker 5a, 5b zu einer Achse 18 mit der Drehachse 1 für die drehbare Lagerung des Umlenkmittels 2. Die Achse 18 bildet somit die Lageraufnahme für die innere Lagerschale eines Lagers 17 der drehbaren Umlenkvorrichtung 2, wodurch die Gesamtzahl der zu montierenden Bauteile weiter reduziert werden kann. Die beiden Ansätze 18a, 18b begrenzen auch die Durchgangsöffnung 14 nach oben hin.Another special feature of this tie rod body 5 is that in the upper Area on the adjacent inner sides of the tie rods 5a, 5b respectively an axis-stubby lug 18a, 18b arranged. These two approaches 18a, 18b complement each other in the bolted together state of the tie rods 5a, 5b an axis 18 with the axis of rotation 1 for the rotatable mounting of the deflection means. 2 The axis 18 thus forms the bearing receptacle for the inner bearing shell of a Bearing 17 of the rotatable deflection device 2, whereby the total number of too mounting components can be further reduced. The two approaches 18a, 18b also limit the passage opening 14 upwards.

Des Weiteren zeigt die Figur 2, dass die Ansätze 18a, 18b zentral in Richtung der Drehachse 1 eine Durchgangsbohrung 19a, 19b aufweisen. Diese zueinander fluchtend ausgerichteten Durchgangsbohrungen 19a, 19b dienen zur Aufnahme einer ersten Schraubverbindung 15, um die beiden Zuganker 5a, 5b miteinander zu verbinden. Wie in Figur 1 gezeigt sind die beiden weiteren Schraubverbindungen 16 im Bereich des Aufnahmeraums 12 angeordnet. Durch die Schraubverbindungen 16 im Bereich des Aufnahmeraums 12 und die Schraubverbindung 15 im Bereich der Achse 18 wird sichergestellt, dass die Zuganker 5 durch die über den Lasthaken 4 übertragenen Zugkräfte nicht auseinander gedrückt werden.Furthermore, Figure 2 shows that the lugs 18a, 18b centrally in the direction of Rotary axis 1 has a through hole 19a, 19b. These aligned aligned through holes 19a, 19b serve to receive a first screw 15 to the two tie rods 5a, 5b to each other connect. As shown in Figure 1, the two other screw 16 arranged in the region of the receiving space 12. By the screw 16 in the region of the receiving space 12 and the screw 15 in the area of Axis 18 ensures that the tie rods 5 through the over the load hook. 4 transmitted tensile forces are not pressed apart.

Außerdem sind die Zuganker 5a, 5b im Bereich der Ansätze 18a, 18b an ihrer Außenseite eingezogen, so dass nach montierter Schraubverbindung 15 der Schraubkopf und die Mutter in Bezug auf die Außenoberfläche der Zuganker 5a, 5b versenkt sind. Die Schraubverbindung 15 wird dann nach außen mit einem Deckel 20 abgedeckt, der in einer Ebene mit der Außenseite der Zuganker 5a, 5b liegt. Auch sind die Zuganker 5a, 5b als Metallgussteile ausgebildet.In addition, the tie rods 5a, 5b in the region of the lugs 18a, 18b at their Pulled outside, so that after mounted screw 15 of the Screw head and the nut with respect to the outer surface of the tie rods 5a, 5b sunk. The screw 15 is then outward with a lid Covered 20, which lies in a plane with the outside of the tie rods 5a, 5b. Also, the tie rods 5a, 5b are formed as metal castings.

Im zusammen geschraubten Zustand der Zuganker 5a, 5b liegen diese im Bereich des Ansätze 18a, 18b und im Bereich von Stegen 21a, 21b an den jeweiligen planen Endflächen der Ansätze 18a, 18b und der Stege 21 a, 21 b aneinander an. Die Stege 21 a, 21 b begrenzen den Aufnahmeraum 12 nach oben und trennen somit auch den Aufnahmeraum 12 von der darüber liegenden Durchgangsöffnung 14.In the bolted together state of the tie rods 5a, 5b, these are in the range of the lugs 18a, 18b and in the region of webs 21a, 21b to the respective plan end surfaces of the lugs 18 a, 18 b and the webs 21 a, 21 b to each other. The webs 21 a, 21 b limit the receiving space 12 upwards and thus separate also the receiving space 12 of the overlying passage opening 14th

Auf Grund der vorbeschriebenen Ausbildung des Zugankerkörpers 5 ist es erstmalig möglich, auf den aus dem Stand der Technik bekannten Achsbolzen für die Umlenkvorrichtung 2 zu verzichten, die nun an den der beiden Zuganker 5a, 5b gelagert ist. Die Ansätze 18a, 18b sind jeweils Bestandteile der Zuganker 5a, 5b. Hierdurch wird ein einfacher Aufbau der Unterflasche erzielt.Due to the above-described design of the tie rod 5, it is the first time possible, on the known from the prior art axle for the deflection 2 to be omitted, which is now mounted on the two tie rods 5a, 5b is. The lugs 18a, 18b are each components of the tie rods 5a, 5b. hereby a simple construction of the lower bottle is achieved.

Um die Aufhängung 3 für den Lasthaken 4 abstützend in dem Aufnahmeraum 12 zu lagern, sind bei der in Figur 2 dargestellten ersten Ausführungsform die freien Enden 5a der Zuganker 5, die Hinterschneidungen 13 bilden, aufeinander zu weisend so ausgerichtet, dass die Zuganker 5 die in dem Aufnahmeraum 12 gelagerte Aufhängung 3 für den Lasthaken 4 zumindest teilweise umgreifen. Alternativ zur Ausbildung der Hinterschneidungen 13 durch die umgeformten freien Enden 5c der Zuganker 5 ist es auch möglich, an den einander zugewandten Innenseiten der Zuganker 5 Vorsprünge anzuformen, auf denen die Aufhängung 3 aufliegt. To the suspension 3 for the load hook 4 supporting in the receiving space 12 to store, are in the first embodiment shown in Figure 2, the free End 5a of the tie rods 5, the undercuts 13 form, towards each other oriented so that the tie rods 5 in the receiving space 12 Mounted suspension 3 for the load hook 4 at least partially embrace. Alternatively to the formation of the undercuts 13 by the formed free Ends 5c of the tie rods 5, it is also possible to face each other Inner sides of the tie rods 5 to form projections on which the suspension. 3 rests.

Solchermaßen ausgebildete einrollige Unterflaschen für Hebezeuge zeichnen sich durch ihre kompakte und einfache Bauweise bei gleichzeitig geringer Bauhöhe aus. Such trained unrolled lower bottles for lifting equipment are characterized due to their compact and simple design with low height.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Drehachseaxis of rotation
22
Umlenkvorrichtung/SeilrolleDeflection / pulley
33
Aufhängungsuspension
44
Lasthakenload hook
55
ZugankerkörperZugankerkörper
5a5a
Zugankertie rods
5b5b
Zugankertie rods
5c5c
freies Endefree end
66
Achseaxis
77
Lageraufnahmebearing seat
88th
Axiallagerthrust
99
Druckringpressure ring
9a9a
Vertiefungdeepening
1010
Schaftshaft
10a10a
Ringnutring groove
1111
Sicherungselementfuse element
1212
Aufnahmeraumaccommodation space
1313
Hinterschneidungundercut
1414
DurchgangsöffnungThrough opening
1515
Schraubverbindungscrew
1616
Schraubverbindungscrew
1717
Lagercamp
1818
Achseaxis
18a18a
Ansatzapproach
18b18b
Ansatzapproach
19a19a
DurchgangsbohrungThrough Hole
19b19b
DurchgangsbohrungThrough Hole
2020
Deckelcover
21a21a
Stegweb
21 b21 b
Stegweb

Claims (8)

Einrollige Unterflasche für Hebezeuge mit einer um eine Drehachse (1) drehbaren Umlenkvorrichtung (2) für ein Zugmittel und einer Aufhängung (3) für einen Lasthaken (4), wobei die Umlenkvorrichtung (2) und die Aufhängung (3) für den Lasthaken (4) über zwei im Wesentlichen parallel zueinander angeordnete Zuganker (5a, 5b) miteinander verbunden sind,
dadurch gekennzeichnet, dass mindestens einer der Zuganker (5a, 5b) eine Achse (18) für die Umlenkvorrichtung (2) bildet.Single-roller lower block for hoists with a deflecting device (2) for a traction device and a suspension (3) for a load hook (4), the deflection device (2) and the suspension (3) for the load hook (4 ) are connected to one another via two tie rods (5a, 5b) arranged substantially parallel to one another,
characterized in that at least one of the tie rods (5a, 5b) forms an axle (18) for the deflection device (2). Unterflasche nach Anspruch 1, dadurch gekennzeichnet, dass die beiden Zuganker (5a, 5b) über Schraubverbindungen (15, 16) zu einen längs geteilten Zugankerkörper (5) verbunden sind, an den aneinander zugewandten Seiten der Zuganker (5a, 5b) jeweils ein achstummelförmiger Ansatz (18a, 18b) angeordnet ist und die Ansätze (18a, 18b) sich im zusammen geschraubten Zustand der Zuganker (5a, 5b) zu einer Achse (18) für die Umlenkvorrichtung (2) ergänzen.Bottom block according to claim 1, characterized in that the two tie rods (5a, 5b) are connected via screw connections (15, 16) to a longitudinally divided tie rod body (5), on the mutually facing sides of the tie rods (5a, 5b) in each case an axial stubby Approach (18a, 18b) is arranged and the lugs (18a, 18b) complement in the screwed together state of the tie rods (5a, 5b) to an axis (18) for the deflection device (2). Unterflasche nach Anspruch 2, dadurch gekennzeichnet, dass die Ansätze (18a, 18b) der beiden Zuganker (5a, 5b) im zusammen geschraubten Zustand der Zuganker (5a, 5b) mit ihren jeweiligen Endflächen aneinander anliegen.Bottom bottle according to claim 2, characterized in that the lugs (18a, 18b) of the two tie rods (5a, 5b) in the bolted together state of the tie rods (5a, 5b) abut each other with their respective end faces. Unterflasche nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass zentral in den Ansätzen (18a, 18b) jeweils eine sich in deren Längsrichtung erstreckende Durchgangsbohrung (19a, 19b) angeordnet ist, in die eine Schraubverbindung (15) zur Verbindung der Zuganker (5a, 5b) zu dem Zugankerkörper (5) eingesteckt ist.Bottom bottle according to claim 2 or 3, characterized in that centrally in the lugs (18a, 18b) each extending in the longitudinal direction of the through hole (19a, 19b) is arranged, into which a screw connection (15) for connecting the tie rods (5a, 5b) is inserted to the tie rod body (5). Unterflasche nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die beiden Zuganker (5a, 5b) in Bezug auf ihre Verbindungsebene im zusammen geschraubten Zustand spiegelsymmetrisch sind.Lowering bottle according to one of claims 1 to 4, characterized in that the two tie rods (5a, 5b) are mirror-symmetrical with respect to their connection plane in the screwed-together state. Unterflasche nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass zwischen den beiden Zugankern (5a, 5b) ein Aufnahmeraum (12) für die vollständige Aufnahme der Aufhängung (3) für den Lasthaken (4) ausgebildet ist und die beiden Zuganker (5) die in dem Aufnahmeraum (12) gelagerte Aufhängung (3) des Lasthakens (4) zumindest teilweise umgreifen.Lowering bottle according to one of claims 1 to 5, characterized in that between the two tie rods (5a, 5b) is formed a receiving space (12) for completely receiving the suspension (3) for the load hook (4) and the two tie rods (5 ) at least partially surround the suspension (3) of the load hook (4) mounted in the receiving space (12). Unterflasche nach Anspruch 6, dadurch gekennzeichnet, dass die freien Enden (5a) der beiden Zuganker (5) zur Ausbildung des Aufnahmeraums (12) Hinterschneidungen (13) bildend aufeinander zu weisend ausgerichtet sind.Base block according to claim 6, characterized in that the free ends (5a) of the two tie rods (5) are aligned to form the receiving space (12) undercuts (13) facing each other aligned. Unterflasche nach mindestens einer der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Zuganker (5a, 5b) Metallgussteile sind.Bottom bottle according to at least one of claims 1 to 7, characterized in that the tie rods (5a, 5b) are metal castings.
EP04029020A 2003-12-18 2004-12-08 Lower pulley block for hoists with a single pulley Expired - Lifetime EP1544153B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10359876 2003-12-18
DE10359876A DE10359876B4 (en) 2003-12-18 2003-12-18 Single roll lower hoist for hoists

Publications (3)

Publication Number Publication Date
EP1544153A2 true EP1544153A2 (en) 2005-06-22
EP1544153A3 EP1544153A3 (en) 2006-06-07
EP1544153B1 EP1544153B1 (en) 2008-02-20

Family

ID=34485519

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04029020A Expired - Lifetime EP1544153B1 (en) 2003-12-18 2004-12-08 Lower pulley block for hoists with a single pulley

Country Status (6)

Country Link
US (1) US20050218388A1 (en)
EP (1) EP1544153B1 (en)
CN (1) CN1629064B (en)
AT (1) ATE386702T1 (en)
DE (2) DE10359876B4 (en)
ES (1) ES2301921T3 (en)

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Publication number Priority date Publication date Assignee Title
CN105197772A (en) * 2014-12-23 2015-12-30 徐州重型机械有限公司 Lifting hook and crane

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CN101898718B (en) * 2009-05-27 2012-10-10 无锡港盛港口机械有限公司 Sheep eye hook device of crane
CN101898719B (en) * 2009-05-27 2012-10-10 无锡港盛港口机械有限公司 Epsilon-type lifting hook device for crane
DE202011001845U1 (en) * 2011-01-24 2012-04-30 Liebherr-Components Biberach Gmbh Cable drum and pulley for fiber rope drives
CN105174037A (en) * 2015-10-21 2015-12-23 无锡港盛重型装备有限公司 Lifting hook mechanism for crane
GB2581984B (en) * 2019-03-06 2022-04-27 Treemagineers Ltd System and apparatus for moving objects

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CN105197772A (en) * 2014-12-23 2015-12-30 徐州重型机械有限公司 Lifting hook and crane

Also Published As

Publication number Publication date
EP1544153A3 (en) 2006-06-07
DE10359876B4 (en) 2006-12-07
EP1544153B1 (en) 2008-02-20
CN1629064A (en) 2005-06-22
DE10359876A1 (en) 2005-07-28
CN1629064B (en) 2010-06-23
DE502004006247D1 (en) 2008-04-03
US20050218388A1 (en) 2005-10-06
ATE386702T1 (en) 2008-03-15
ES2301921T3 (en) 2008-07-01

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