EP2125596A1 - Vehicle crane with a bogie and a superstructure - Google Patents

Vehicle crane with a bogie and a superstructure

Info

Publication number
EP2125596A1
EP2125596A1 EP08734395A EP08734395A EP2125596A1 EP 2125596 A1 EP2125596 A1 EP 2125596A1 EP 08734395 A EP08734395 A EP 08734395A EP 08734395 A EP08734395 A EP 08734395A EP 2125596 A1 EP2125596 A1 EP 2125596A1
Authority
EP
European Patent Office
Prior art keywords
superstructure
undercarriage
transfer case
drive
vehicle crane
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
EP08734395A
Other languages
German (de)
French (fr)
Other versions
EP2125596B1 (en
Inventor
Frank Wernicke
Jürgen Appel
Christian Fuhrmeister
Ascan Klein
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.)
Tadano Demag GmbH
Original Assignee
Terex Demag GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Terex Demag GmbH filed Critical Terex Demag GmbH
Publication of EP2125596A1 publication Critical patent/EP2125596A1/en
Application granted granted Critical
Publication of EP2125596B1 publication Critical patent/EP2125596B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B66C23/40—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes with a single prime mover for both crane and vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details

Definitions

  • the invention relates to a vehicle crane with an undercarriage and a superstructure.
  • the pumps required for superstructure operation are driven by the undercarriage engine, which is also used for all undercarriage functions.
  • the undercarriage engine is responsible for the undercarriage functions and the superstructure motor for the superstructure functions.
  • the object of the invention is to provide a vehicle crane, which is designed as a single-engine crane, wherein the superstructure hydraulic pump drive to use both the full moment of the drive motor, as well as the translation of the undercarriage drive gear.
  • a vehicle crane with an undercarriage and a superstructure, in which the drive of the superstructure functions by hydraulic pumps in the undercarriage, and wherein the hydraulic pumps are driven by a transfer case, which is arranged in the undercarriage and connected to the output shaft of the traction drive ,
  • the transfer case has both a driving position and a neutral position to the transfer case output, as well as a clutch for the connection or disconnection of Pumpen ⁇ antriebs.
  • the drive of the hydraulic pumps for the superstructure operation takes place at an output of the undercarriage transfer case.
  • the transfer case is either driven by a drive shaft through the drive gear or it is flanged directly to the drive gearbox.
  • Another measure improving the invention is the use of the hydraulic pump attached to the pump drive as an additional vehicle brake (retarder). This is done via a correspondingly designed hydraulic circuit with integrated throttle valve. For this purpose, while driving the crane both power take-offs active or the pump output must be switched on during vehicle braking.
  • FIG. 1 shows schematically the vehicle crane in
  • Fig. 3 is a block diagram is shown.
  • the undercarriage is denoted by 1, the superstructure by 2, the undercarriage engine by 3 and the undercarriage transmission by 4.
  • the undercarriage gearbox (4) is connected to the transfer case (6) via a cardan shaft (5).
  • the undercarriage motor (3) drives the hydraulic pumps (7) for the superstructure operation via the undercarriage gearbox (4) and the transfer case (6).
  • the transfer case (6) has both a neutral position to the distributor gear output (6a) out, as well as a coupling for the connection or disconnection of the pump drive (6b). From the transfer case output (6a), the axles (8) are driven in color operation by means of cardan shafts (5).
  • the drive gear or undercarriage gearbox (4) is switched to the 12th gear in the superstructure operation, the motor (3) is limited in speed, so that it can be used in a low-consumption and torque-optimized range.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Motor Power Transmission Devices (AREA)
  • Jib Cranes (AREA)
  • Arrangement Of Transmissions (AREA)

Abstract

The invention relates to a vehicle crane with a bogie (1) and a superstructure (2). The vehicles crane comprises a bogie (1) and a superstructure (2), wherein the drive of the superstructure function is effected by hydraulic pumps (7) in the bogie, and wherein the hydraulic pumps (7) are driven via a transfer case (6), which is arranged in the bogie and connected to the output shaft of the drive (3, 4).

Description

Fahrzeugkran mit einem Unterwagen und einem Oberwagen Mobile crane with an undercarriage and a superstructure
Die Erfindung betrifft einen Fahrzeugkran mit einem Unterwagen und einem Oberwagen.The invention relates to a vehicle crane with an undercarriage and a superstructure.
Bei Kranen, Baggern oder sonstigen Baumaschinen und Nutzfahrzeugen sind Antriebe von Hydraulikpumpen bekannt. So findet man die für die verschiedenen Arbeitsfunktionen benötigten Pumpen an Nebenantrieben von Motoren oder Fahrgetrieben.In cranes, excavators or other construction machinery and commercial vehicles drives of hydraulic pumps are known. So you will find the pumps needed for the various work functions on auxiliary drives of motors or drive gears.
Weiterhin bekannt sind auch über Getriebe- oder Verteilergetriebenebenantriebe betriebene Notlenkpumpen, welche die Lenkbarkeit des jeweiligen Fahrzeugs bei Lenkungsausfall sichern.Further known are also operated via gear or Verteilergetriebebenantriebe emergency steering pumps, which ensure the steerability of the respective vehicle in case of steering failure.
In Bezug auf die Bereitstellung der Leistungsquelle für die Hydraulikpumpen unterscheidet man im Fahrzeugkranbereich Einmotorenkrane und Zweimotorenkrane.With regard to the provision of the power source for the hydraulic pumps, a distinction is made between single-engine cranes and twin-engine cranes in the area of vehicle cranes.
Bei Einmotorenkranen erfolgt der Antrieb der für den Oberwagenbetrieb benötigten Pumpen durch den Unterwagenmotor, welcher auch für alle Unterwagenfunktionen genutzt wird.In the case of single-engine cranes, the pumps required for superstructure operation are driven by the undercarriage engine, which is also used for all undercarriage functions.
Beim Zweimotorenkran ist der Unterwagenmotor für die Unterwagenfunktionen und der Oberwagenmotor für die Oberwagenfunktionen zuständig.In the twin-engine crane, the undercarriage engine is responsible for the undercarriage functions and the superstructure motor for the superstructure functions.
Bisher in Verwendung befindliche Nebenabtriebe sind bauartbedingt häufig im maximal abnehmbaren Drehmoment und in den Übersetzungsstufen begrenzt.Power take-offs that have been in use so far are often limited in their maximum removable torque and in the gear ratios due to their design.
Ferner sind für die Herstellung der Nebenabtriebsfunktion diverse zusätzliche Bauteile notwendig.Furthermore, various additional components are necessary for the production of the power take-off function.
Aufgabe der Erfindung ist es einen Fahrzeugkran zu schaffen, der als Einmotorenkran ausgelegt ist, wobei der Oberwagen-Hydraulikpumpenantrieb, sowohl das volle Moment des Antriebsmotors, als auch die Übersetzung des Unterwagen- Fahrgetriebes nutzen soll. Gelöst wird diese Aufgabe erfindungsgemäß durch einen Fahrzeugkran mit einem Unterwagen und einem Oberwagen, bei dem der Antrieb der Oberwagen Funktionen durch Hydraulikpumpen im Unterwagen erfolgt, und wobei die Hydrauiikpumpen über ein Verteilergetriebe angetrieben werden, das im Unterwagen angeordnet und an der Ausgangswelle des Fahrantriebes angeschlossen ist.The object of the invention is to provide a vehicle crane, which is designed as a single-engine crane, wherein the superstructure hydraulic pump drive to use both the full moment of the drive motor, as well as the translation of the undercarriage drive gear. This object is achieved according to the invention by a vehicle crane with an undercarriage and a superstructure, in which the drive of the superstructure functions by hydraulic pumps in the undercarriage, and wherein the hydraulic pumps are driven by a transfer case, which is arranged in the undercarriage and connected to the output shaft of the traction drive ,
Vorgesehen ist, dass das Verteilergetriebe sowohl über eine Fahrstellung und eine Neutralstellung zum Verteilergetriebe-Abtrieb hin, als auch über eine Kupplung für die Zu- bzw. Abschaltung des Pumpeπantriebs verfügt.It is envisaged that the transfer case has both a driving position and a neutral position to the transfer case output, as well as a clutch for the connection or disconnection of Pumpenπantriebs.
Der Antrieb der Hydraulikpumpen für den Oberwagenbetrieb erfolgt an einem Abtrieb des Unterwagen-Verteilergetriebes.The drive of the hydraulic pumps for the superstructure operation takes place at an output of the undercarriage transfer case.
Das Verteilergetriebe wird entweder über eine Gelenkwelle durch das Fahrgetriebe angetrieben oder es ist direkt am Fahrgetriebe angeflanscht.The transfer case is either driven by a drive shaft through the drive gear or it is flanged directly to the drive gearbox.
Durch die Nutzung der verschiedenen Getriebeübersetzungsstufen entsteht somit ein in Drehzahl und Drehmoment variabler Pumpenantrieb.By using the different gear ratio stages thus creates a variable speed and torque pump drive.
Eine weitere die Erfindung verbessernde Maßnahme ist die Nutzung der am Pumpenantrieb angebrachten Hydraulikpumpe als zusätzliche Fahrzeugbremse (Retarder). Dies erfolgt über einen entsprechend gestalteten Hydraulikkreislauf mit integriertem Drosselventil. Hierzu müssen im Fahrbetrieb des Kranes beide Nebenabtriebe aktiv bzw. der Pumpenabtrieb bei der Fahrzeugbremsung zugeschaltet werden.Another measure improving the invention is the use of the hydraulic pump attached to the pump drive as an additional vehicle brake (retarder). This is done via a correspondingly designed hydraulic circuit with integrated throttle valve. For this purpose, while driving the crane both power take-offs active or the pump output must be switched on during vehicle braking.
Durch die erfindungsgemäße Lösung ergeben sich eine Reihe von Vorteilen gegenüber bekannten Nebenabtriebslösungen:The solution according to the invention affords a number of advantages over known power take-off solutions:
- Verwendung einer geringeren Anzahl von Teilen- Use of fewer parts
- Gewichtsreduzierung- Weight reduction
- Kostenreduzierung- Cost reduction
- Variabilität bei Drehzahl und Drehmoment für den Pumpenantrieb- Variability in speed and torque for the pump drive
- Möglichkeit der Installation hoher Pumpenleistungen- Possibility of installing high pump capacities
- Nutzung der angebrachten Hydraulikpumpe als zusätzliche Fahrzeugbremse (Retarder)- Use of the attached hydraulic pump as additional vehicle brake (retarder)
Die Erfindung soll nachfolgend an einem Ausführungsbeispiel erläutert werden, wobei in der Fig. 1 schematisch der Fahrzeugkran inThe invention will be explained below with reference to an embodiment, wherein in the Fig. 1 shows schematically the vehicle crane in
Fig. 2 perspektivisch die Motor/Getriebe-Anordnung und inFig. 2 in perspective, the engine / transmission assembly and in
Fig. 3 ein Blockschaltbild dargestellt ist.Fig. 3 is a block diagram is shown.
Bezeichnet ist im Einzelnen der Unterwagen mit 1, der Oberwagen mit 2, der Unterwagen-Motor mit 3 und das Unterwagen- Getriebe mit 4.Specifically, the undercarriage is denoted by 1, the superstructure by 2, the undercarriage engine by 3 and the undercarriage transmission by 4.
Das Unterwagen-Getriebe (4) ist über eine Gelenkwelle (5) mit dem Verteilergetriebe (6) verbunden.The undercarriage gearbox (4) is connected to the transfer case (6) via a cardan shaft (5).
Der Unterwagen-Motor (3) treibt über das Unterwagengetriebe (4) und das Verteilergetriebe (6) die Hydraulikpumpen (7) für den Oberwagen- Betrieb an.The undercarriage motor (3) drives the hydraulic pumps (7) for the superstructure operation via the undercarriage gearbox (4) and the transfer case (6).
Das Verteilergetriebe (6) verfügt sowohl über eine Neutralstellung zum Verteiler- Getriebe-Abtrieb (6a) hin, als auch über eine Kupplung für die Zu- bzw. Abschaltung des Pumpenantriebs (6b). Vom Verteilergetriebeabtrieb (6a) werden im Farbetrieb über Gelenkwellen (5) die Achsen (8) angetrieben.The transfer case (6) has both a neutral position to the distributor gear output (6a) out, as well as a coupling for the connection or disconnection of the pump drive (6b). From the transfer case output (6a), the axles (8) are driven in color operation by means of cardan shafts (5).
Das Fahrgetriebe oder Unterwagen-Getriebe (4) wird im Oberwagen-Betrieb in den 12. Gang geschaltet, der Motor (3) wird in der Drehzahl begrenzt, so dass er in einem verbrauchsgünstigen und drehmomentoptimierten Bereich einsetzbar ist. The drive gear or undercarriage gearbox (4) is switched to the 12th gear in the superstructure operation, the motor (3) is limited in speed, so that it can be used in a low-consumption and torque-optimized range.

Claims

Ansprüche claims
1. Fahrzeugkran mit einem Unterwagen (1) und einem Oberwagen (2), bei dem der Antrieb der Oberwagen- Funktionen durch Hydraulikpumpen (7) im Unterwagen erfolgt, und wobei die Hydraulikpumpen (7) über ein Verteilergetriebe (6) angetrieben werden, das im Unterwagen angeordnet und an der Ausgangswelle des Fahrantriebes (3,4) angeschlossen ist.1. Vehicle crane with an undercarriage (1) and a superstructure (2), wherein the drive of the superstructure functions by hydraulic pumps (7) in the undercarriage, and wherein the hydraulic pumps (7) via a transfer case (6) are driven, the arranged in the undercarriage and connected to the output shaft of the traction drive (3,4).
2. Fahrzeugkran nach Anspruch 1 , dadurch gekennzeichnet, dass das Verteilergetriebe (6) sowohl über eine Neutralstellung zum Verteilergetriebe-Abtrieb (6a) hin, als auch über eine Kupplung für die Zu- bzw. Abschaltung des Pumpenantriebs (6b) verfügt.2. Vehicle crane according to claim 1, characterized in that the transfer case (6) has both a neutral position to the transfer case output (6a) out, as well as a coupling for the connection or disconnection of the pump drive (6b).
3. Fahrzeugkran nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass durch die Nutzung einer oder mehrerer Übersetzungen des Fahrantriebes (4) der Motor (3) im Oberwagen-Betrieb in der Drehzahl begrenzt wird, so dass er in einem verbrauchsgünstigen und drehmomentoptimierten Bereich einsetzbar ist.3. Vehicle crane according to one of the preceding claims, characterized in that is limited by the use of one or more translations of the traction drive (4) of the motor (3) in the superstructure operation in the speed, so that it can be used in a low-consumption and torque-optimized area is.
4. Fahrzeugkran nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Getriebeübersetzungen unter Last wechselbar sind.4. Vehicle crane according to one of the preceding claims, characterized in that the gear ratios are changeable under load.
5. Fahrzeugkran nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die am Verteilergetriebe (6) angebrachten Hydraulikpumpen (7) als zusätzliche Fahrzeugbremse (Retarder) nutzbar sind.5. Vehicle crane according to one of the preceding claims, characterized in that the transfer case (6) mounted hydraulic pumps (7) can be used as an additional vehicle brake (retarder).
6. Fahrzeugkran nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Verteilergetriebe (6) entweder über eine Gelenkwelle (5) durch den Fahrantrieb (4) antreibbar oder direkt am Fahrantrieb angeflanscht ist. 6. Vehicle crane according to one of the preceding claims, characterized in that the transfer case (6) either via a propeller shaft (5) by the traction drive (4) driven or flanged directly on the traction drive.
EP08734395.0A 2007-03-23 2008-03-13 Vehicle crane with a bogie and a superstructure Active EP2125596B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007014943 2007-03-23
PCT/DE2008/000457 WO2008116444A1 (en) 2007-03-23 2008-03-13 Vehicle crane with a bogie and a superstructure

Publications (2)

Publication Number Publication Date
EP2125596A1 true EP2125596A1 (en) 2009-12-02
EP2125596B1 EP2125596B1 (en) 2013-09-18

Family

ID=39618838

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08734395.0A Active EP2125596B1 (en) 2007-03-23 2008-03-13 Vehicle crane with a bogie and a superstructure

Country Status (6)

Country Link
US (1) US8336650B2 (en)
EP (1) EP2125596B1 (en)
JP (1) JP2010521391A (en)
CN (1) CN101687617B (en)
DE (1) DE202008003733U1 (en)
WO (1) WO2008116444A1 (en)

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DE202012009418U1 (en) * 2012-10-01 2012-10-24 Manitowoc Crane Group France Sas Self-propelled working machine
CN104057823B (en) * 2014-06-24 2017-04-12 徐州重型机械有限公司 Single-engine crane and power transmission device thereof

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Also Published As

Publication number Publication date
JP2010521391A (en) 2010-06-24
CN101687617A (en) 2010-03-31
DE202008003733U1 (en) 2008-07-31
EP2125596B1 (en) 2013-09-18
WO2008116444A1 (en) 2008-10-02
CN101687617B (en) 2013-11-20
US8336650B2 (en) 2012-12-25
US20100051570A1 (en) 2010-03-04

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