EP3144264B1 - Lifting device - Google Patents

Lifting device Download PDF

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Publication number
EP3144264B1
EP3144264B1 EP16187891.3A EP16187891A EP3144264B1 EP 3144264 B1 EP3144264 B1 EP 3144264B1 EP 16187891 A EP16187891 A EP 16187891A EP 3144264 B1 EP3144264 B1 EP 3144264B1
Authority
EP
European Patent Office
Prior art keywords
handle
section
mast
attached
lifting apparatus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16187891.3A
Other languages
German (de)
French (fr)
Other versions
EP3144264A1 (en
Inventor
Stefan Boller
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.)
Expresso Deutschland GmbH
Original Assignee
Expresso Deutschland 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 Expresso Deutschland GmbH filed Critical Expresso Deutschland GmbH
Publication of EP3144264A1 publication Critical patent/EP3144264A1/en
Application granted granted Critical
Publication of EP3144264B1 publication Critical patent/EP3144264B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1013—Lifting of patients by
    • A61G7/1019—Vertical extending columns or mechanisms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/104—Devices carried or supported by
    • A61G7/1046—Mobile bases, e.g. having wheels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1049—Attachment, suspending or supporting means for patients
    • A61G7/1051—Flexible harnesses or slings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/07513—Details concerning the chassis
    • B66F9/07522—Variable length or width chassis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/07586—Suspension or mounting of wheels on chassis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/0759—Details of operating station, e.g. seats, levers, operator platforms, cabin suspension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/20—Means for actuating or controlling masts, platforms, or forks
    • B66F9/24—Electrical devices or systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2203/00—General characteristics of devices
    • A61G2203/10—General characteristics of devices characterised by specific control means, e.g. for adjustment or steering
    • A61G2203/16—Touchpads
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2203/00—General characteristics of devices
    • A61G2203/10—General characteristics of devices characterised by specific control means, e.g. for adjustment or steering
    • A61G2203/20—Displays or monitors

Definitions

  • the present invention relates to a lifting device according to the preamble of claim 1.
  • Lifting devices of the type mentioned at the beginning are already known from the prior art in different embodiments. Such lifting devices provide handling solutions that can be individually adapted to the load, the place of use, the user and the type of handling.
  • Lifting devices which can be designed in the form of forks, thorns, roller platforms, hook mounts and grippers, for example, enable ergonomic loading of machines, shelves, filling systems, conveyor systems, centrifuges, pallets, roller conveyors and workstations. Complex, physically demanding handling can be carried out simply, safely, ergonomically and thus economically with such lifting devices.
  • different handling functions such as lifting, lowering, rotating, turning, gripping, pouring, tilting, holding, picking, pushing, positioning, assembling or palletizing can be implemented.
  • Lifting devices with a handling means to which a functional element is attached are for example from the DE 698 19 353 T2 , the WO 02/074216 A1 and the WO 2009/136359 A1 known.
  • a lifting device is characterized in that the first handle part comprises a central handle section on which a user can grip the first handle part (20), and an inner bracket section and an outer bracket section, which laterally adjoin the handle section of the first handle part, wherein a receiving space is formed between the handle section and the inner bracket section, within which at least one functional element can be arranged, and / or wherein at least one functional element is attached to an outside of the inner bracket section.
  • the inner bow section of the first handle part forms a dimensionally stable bond with the handle section of the first handle part.
  • the lifting device preferably has a chassis on which the at least one mast unit is attached so that the lifting device can be moved.
  • the functional element attached alternatively or additionally to the outside of the inner bracket section contributes to a further improvement in the ergonomics of the operator.
  • the outer bracket section of the first handle part effectively protects the hand of a user from injuries which can occur, for example, when the handle bracket comes into contact with an object and in particular can result from the hand being trapped can, the operational reliability of the lifting device can be increased in an advantageous manner.
  • the outer bracket section of the first handle part is designed to be closed.
  • the outer bracket section forms a dimensionally stable composite with the handle section of the first handle part.
  • the lifting device can preferably have a holding means which is attached to the mast and to which the handlebar is attached or formed integrally with it.
  • the mast has at least one guide within which the holding means, together with the handle bar, is slidably guided in the vertical direction of the lifting device.
  • the lifting device can preferably have at least one holding element, in particular a holding screw, by means of which the holding means can be releasably fixed in the guide. After the at least one holding means has been released, the height of the handling means can be adjusted in a simple manner. By subsequently fixing the at least one holding means, the handling means can be fixed in the desired position on the mast.
  • the at least one guide can preferably be designed as a guide slot or guide slot. This measure ensures that the handling means can be guided particularly safely.
  • the handle bar has a base section which extends transversely to the mast on both sides. This can facilitate steering movements, for example.
  • the handle bar can preferably have two side sections which extend essentially parallel to one another and orthogonally away from the base section.
  • the handle bar is arranged in such a way that the two side sections are inclined upwards.
  • the handle part can preferably be attached to one of the side sections and, in particular, extend downwards orthogonally to this side section.
  • the handling means has a second handle part which is attached to the handle bar and a central handle section on which a user can grip the second handle part, an inner handle section and an outer handle section, the The bracket sections connect laterally to the handle section of the second handle part and wherein a receiving space is formed between the handle section and the inner bracket section of the second handle part, within which at least one functional element can be arranged.
  • the inner bow section of the second handle part is designed to be closed, it forms a dimensionally stable bond with the handle section of the second handle part.
  • both handle parts have a receiving space can advantageously at least one functional element can be arranged on each side of the handlebar.
  • one of the handle parts can be attached to each of the side sections of the handlebar, the handle parts extending downwards in particular orthogonally to the respective side section.
  • the outer bracket section of the second handle part is designed to be closed. If the outer bow sections of both handle parts are designed to be closed, both hands of a user can be effectively protected from injuries.
  • the outer bracket sections of the handle parts are designed to be closed.
  • the outer bracket sections form a dimensionally stable composite with the handle section of the respective handle parts.
  • At least one functional element being attached to an outside of the inner bracket section of the second handle part.
  • At least one functional element in particular an operating unit, a display unit, a combined operating and display unit or a storage element can be attached to an outside of the inner bracket section of each of the two handle parts.
  • the height-adjustable connection means can expediently be arranged on a side of the mast opposite the handling means.
  • the lifting device has a first mast unit with a mast on which the handling means is attached, a second mast unit with a mast on which a first height-adjustable connection means for connecting a first hoist is attached , and a third mast unit with a mast, on which a second height-adjustable connection means for connecting the first hoist or a second hoist is attached.
  • the lifting device can have a housing, within which a control device for controlling a functional element of the lifting device, in particular a gripping device, is accommodated.
  • an operating unit for the control device is accommodated within the housing of the control device.
  • the housing of the control device can preferably be attached to the handle bar. This can advantageously prevent a user from making, for example, operating inputs on the operating unit while driving. If the handling means with the handle bar is designed to be height-adjustable, the operating unit can also always be positioned at an ergonomically favorable height.
  • the housing of the control device can preferably be attached to the base section of the handle bar.
  • the housing of the control device can be attached to the base section of the handle bar. This makes assembly particularly easy or dismantling of the control device, which is housed within the housing, allows.
  • Figs. 1 to 3 comprises a lifting device H, which is designed according to a first embodiment of the present invention, a chassis 2 and a mast unit 1 which is attached to the chassis 2.
  • the chassis 2 has two side parts 3, 4 which extend parallel to one another and which are connected to one another by means of a cross member 5 which extends between them in the transverse direction.
  • cross member 5 in particular Fig. 7 , it can be a rectangular tube or another profile part with a profile cross-section that is uniform over its length.
  • Each of the two side parts 3, 4 comprises a front (first) section 30, 40 (see in particular Fig. 4 ), which is preferably designed as a profile part with a uniform cross section, in particular as a rectangular tube.
  • Each of the two front sections 30, 40 of the side parts 3, 4 has a free end to which a roller 34, 44 is attached via a first roller holder 33, 43.
  • These two rollers 34, 44 can be rotatable relative to a vertical axis of the lifting device H (steering rollers). Fixed castors could also be used.
  • Each of the two side parts further comprises a rear (second) section 31, 41 (see in particular Fig. 5 ), which is preferably also designed as a profile part with a uniform cross section, in particular as a rectangular tube.
  • a respective swivel castor 36, 46 can be attached via a second roll holder 35, 45.
  • the steering rollers 34, 44, 36, 46 can be moved about the vertical axis of the lifting device H so that steering movements can be carried out with them, for example.
  • the mobility of the rollers around the vertical axis can be blocked or at least restricted by a mechanism. Alternatively, these can also be fixed castors.
  • the front section 30, 40 and the rear section 31, 41 of each of the two side parts 3, 4 are connected via a middle (third) section 32, 42 (see in particular Fig. 6 ), which is preferably designed as a cast part, connected to one another.
  • the cast part can be an aluminum (pressure) cast part, a gray cast part or another cast part.
  • a welded construction made of metal or a plastic construction, in particular an injection-molded, laminate or other plastic construction, could also be used.
  • the sections 32, 42 are composed of profile parts that are firmly connected to one another.
  • Structures 320, 420, 321, 421, 325, 425 for connection to the front sections 30, 40 and the rear sections 31, 41 and for connection to the cross member 5 are provided on the middle sections 32, 42 of the side parts 3, 4.
  • the structures 325, 425 for connection to the cross member 5 can be monolithically connected to the remaining central sections 32, 42 be. It is also possible to add these to the remaining sections 32, 42 in order to be able to compensate for tolerances during the assembly of the chassis.
  • connecting structures 321, 421 can be provided as connecting structures 321, 421 on the middle section 32, 42 of the side parts 3, 4, which are inserted into the tubes and there are fixed by screws 37, 48 or other fasteners.
  • the sections 30, 31, 40, 41 can be rectangular tubes with the same cross-sectional profile.
  • the sections 30, 31, 40, 41 are preferably produced by severing them from a pipe.
  • the front sections 30, 40 are preferably identical and the rear sections 31, 41 are also identical.
  • the roll holders 33, 43 are also identical and the roll holders 35, 45 are identical.
  • Only the middle sections 32, 42 of the side parts 3, 4 are not identical. For this purpose, these are symmetrical in area to a surface perpendicular to a plane which is spanned by contact points of the rollers 34, 44, 36, 46 on a substrate.
  • chassis 2 with the chassis 2 made up of sections 30, 31, 32, 40, 41, 42 of the side parts 3, 4 and the cross member 5 is that by varying the lengths of the cross member 5 and the sections 30 , 31, 32, 40, 41, 42 of the side parts 3, 4 chassis 2 with other dimensions can be created without great technical effort. By choosing a shorter or longer cross member 5, a narrower or wider chassis 2 can be created. A change to the side parts 3, 4 or the mast unit 1 is not necessary or not required in principle. By varying the length of the sections 30, 31, 40, 41 of the side parts 3, 4, a larger or smaller protrusion of the chassis 2 over the mast unit 1 to the front or to the rear can be achieved. The middle sections 32, 42 do not have to be changed for this.
  • a brake actuation bracket 9 extends in the transverse direction of the chassis 2, by means of which a braking device acting on the two rollers 36, 46 can be established or released again.
  • the brake actuation bracket 9 is pivotably mounted on the roller supports 35, 45 for the rear rollers 36, 46.
  • the braking device is designed in a conventional manner.
  • a housing 6 is provided under the cross member 5.
  • a drive unit is accommodated with which a lifting device (not shown) can be raised and lowered.
  • the drive unit is coupled in a manner known per se via a spindle which is arranged in the mast unit 1 to a slide which is arranged displaceably on the one hand in the mast 10 and on the other hand is connected to the hoist.
  • the mast unit 1 comprises a mast 10 and a mast foot 11.
  • the mast foot 11 creates the connection between the mast 10 and the cross member 5.
  • the mast foot 11 comprises a first part 110, preferably in the form of a plate, in particular a metal sheet, which is attached to the top of the cross member 5, preferably by screwing.
  • a second part 111 is provided, which is connected to the first part 110 on the one hand and to the mast 10 on the other.
  • the second part is also preferably a plate, in particular a sheet of metal, which is screwed to the rear of the mast 10.
  • the two parts 110, 111 are preferably connected to one another by welding.
  • At least one third part can be provided as a strut which, in addition to the welded connection, creates a connection between the first and second parts 110, 111.
  • This third part is preferably provided to intercept torques which act on the mast 10 and to divert them from the first part 110 into the second part 111 of the mast foot 10.
  • the third part for its part, can be supported with respect to the first sheet metal 110 via fourth parts (not shown), preferably also struts.
  • the connection between the third part 112 and the first and second part 110, 111 as well as the fourth part or parts and the third and the first part 110 is also produced by welding.
  • the mast unit 1 with the described mast base 11 or a functionally comparable mast base can be attached to basically any base.
  • the base can basically be any desired chassis 2 and it is not necessary for the chassis 2 to be designed in the manner described above.
  • the base doesn't even have to be a chassis 2.
  • the mast unit 1 with the described mast base 11 or a functionally comparable one can be attached to a stationary base, for example a base, a beam, a wall, a cantilevered plate or the like
  • connection means 12 On a front side of the mast 10, a connection means 12 is provided for connecting the lifting device, not explicitly shown here.
  • This connection means 12 is displaceably guided in a connection means guide 13, which in this exemplary embodiment is designed as a guide link extending in the vertical direction of the mast 10, so that the connection means 12 can be raised and lowered relative to the mast 10 together with the lifting device attached to it.
  • the slide is in operative connection with the connection means 12 for connecting the hoist and thereby enables an upward or downward movement of the connection means 12 relative to the mast 10.
  • a housing 15 is attached above the mast foot 11, within which a control device for the lifting motor is housed, which is connected to the drive unit and is provided for controlling the functions of the lifting motor.
  • At least one rechargeable accumulator is also accommodated inside the housing 15, by means of which, among other things, the control device for the lifting motor and the drive unit can be fed.
  • a wired power supply for the control device and the drive unit is also possible.
  • a handling means 16 is provided above the housing 15 for the control device of the lifting motor.
  • the handling means 16 has a handle bar 160 with a base section 161, which extends on both sides transversely to the mast 10 and is fastened to a holding means 17 extending in the vertical direction of the mast 10 or alternatively also integrally therewith can be formed.
  • the holding means 17 is guided displaceably in the vertical direction in a guide 18 on the back of the mast 10, so that a height adjustment of the holding means 17 with the handling means 16 attached to it is possible relative to the mast 10.
  • the guide 18 is also designed as a guide link in this embodiment.
  • two holding screws 19a, 19b are provided in the present case, which extend through corresponding bores of the holding means 17, which are provided vertically one above the other, and inside the guide 18 can be set. After loosening the retaining screws 19a, 19b, a height adjustment of the retaining means 17 with the handling means 16 attached to it is possible. The height position of the handling means 16 can be fixed by tightening the retaining screws 19a, 19b again.
  • the handle bar 160 furthermore has two side sections 162, 163, which extend essentially parallel to one another and orthogonally away from the base section 161. As in particular in Fig. 1 As can be seen, the handle bar 160 is arranged in such a way that the two side sections 162, 163 are inclined slightly upwards in order to achieve improved ergonomics.
  • the handling means 16 also has two handle parts 20, 21 which are fastened to the free ends of the two side sections 162, 163. Alternatively, the two handle parts 20, 21 can also be formed integrally with the handle bar 160.
  • the two handle parts 20, 21 extend in relation to the two side sections 162, 163 of the handle bar 160 obliquely downwards and essentially orthogonally to them. By means of the two handle parts 20, 21 a user can grip the lifting device H and move it in the desired manner.
  • each of the two handle parts 20, 21 has a central handle section 200, 210 by means of which a user can grip the respective handle part 20, 21.
  • an outer, presently closed bow section 201, 211 adjoins.
  • These outer bracket sections 201, 211 are able to reduce the risk of injury to a user, in particular the risk of hand injuries, if the lifting device H in the area of at least one of the two handle parts 20, 21, for example, comes into contact with another object or a person learns.
  • each of the two handle parts 20, 21 has an inner bow section 202, 212, which is also closed in the present case.
  • Each of the two inner bow sections 202, 212 laterally adjoins the handle section 200, 210 of the respective handle part 20, 21.
  • a receiving space 203, 213 is formed between each of the inner bracket sections 202, 212 and the associated handle section 200, 210, within which, for example, at least one operating unit, a display unit, a combined operating and display unit and / or at least one storage element are arranged can.
  • an operating unit 24 is also attached to an outside of the inner bracket section 202 of the first handle part 20, by means of which, for example, the lifting movement of the connection means 12 for the hoist can be controlled.
  • the operating unit 24 can be designed to be touch-sensitive, for example.
  • the operating unit 24 can comprise a touch-sensitive display means, by means of which operating inputs can be made and for example Information about selected operating parameters of the lifting device H can be displayed.
  • the lifting device H can also have a further housing 22, within which a display and / or control device for controlling a functional element, such as a gripping device, of the lifting device and an associated operating unit 23 are accommodated. Information can also be displayed if necessary.
  • This housing 22 is attached to the base section 161 of the handle bar 160 of the handling means 16, in particular attached to it. Since the operating unit 23 for controlling the functional element of the hoist is accommodated within the housing 22 attached to the handle bar 160, it can be made more difficult for the functional element of the hoist to be operated by a user while the lifting device H is moving. This results in a higher operational reliability of the lifting device H.
  • the handling means 16 can be adjusted in height relative to the mast 10 with the help of the holding means 17, it is also advantageously achieved that the housing 22 attached to the handle bar 160 of the handling means 16 and the operating unit 23 accommodated therein can always be adjusted from an ergonomic point of view to an optimal height adapted to the body size of a user of the lifting device H.
  • a lifting device H is to be explained in more detail below, which is designed according to a second embodiment of the present invention.
  • the basic structure of this lifting device H differs from the first exemplary embodiment primarily in that the lifting device H has three mast units 1a, 1b, 1c, each with a mast 10a, 10b, 10c.
  • functionally identical component components of the lifting device H according to the second exemplary embodiment are provided with the same reference numerals that were used in the description of the first exemplary embodiment. In the following, only the structural changes compared to the first exemplary embodiment will primarily be explained in more detail.
  • a first (middle) mast unit 1a of the lifting device H has a mast 10a which is attached to a mast foot 11a associated therewith, which in turn is attached to the cross member 5 which extends transversely between the two side parts 3, 4.
  • the housing 15 is in turn attached, within which the control device for controlling the lifting motor of the lifting device H and possibly the accumulator are housed.
  • the handling means 16 with the handle bar 160 is in turn arranged above the housing 15 for the control device of the lifting motor and attached to the holding means 17 extending in the vertical direction of the mast 10a or formed integrally with it.
  • the holding means 17 is guided in two guides 18a, 18b, which extend parallel to one another in the vertical direction and are in the present case designed as guide links, on the rear side of the mast 10a of the first mast unit 1a in a vertical direction. This enables a height adjustment of the holding means 17 with the handling means 16 attached to it relative to the mast 10a of the first mast unit 1a.
  • two holding screws 19a, 19b arranged next to one another are provided, for example, which extend through corresponding bores in the holding means 17 and can each be set within one of the two guides 18a, 18b. After loosening the retaining screws 19a, 19b, a height adjustment of the retaining means 17 with the handling means 16 attached to it is possible.
  • the lifting device H also has a second mast unit 1b with a mast 10b, which is attached to a mast foot 11b associated therewith, and a third mast unit 1c with a mast 10c, which is attached to a mast foot 11c associated therewith.
  • the mast base 11b of the second mast unit 1b and the mast base 11c of the third mast unit 1c are also fastened to the cross member 5 of the chassis 2.
  • connection means 12b, 12c On a front side of the masts 10b, 10c of the second and third mast units 1b, 1c, a respective connection means 12b, 12c is provided for connecting a lifting device, not explicitly shown here.
  • These connecting means 12b, 12c are each guided displaceably in a connecting means guide 13b, 13c in the present case as a guide slot in the upward direction of the masts 10b, 10c, so that raising and lowering of the connecting means 12b, 12c together with the lifting gear attached to them relative to the respective masts 10b , 10c is possible.
  • the housing 22, within which the control device for controlling at least one functional element, such as a gripping device, the hoist and an associated operating unit 23 are housed, is attached to the base section 161 of the handle bar 160 of the handling means 16, in particular attached to it.
  • Two handle parts 20, 21, which are designed in the manner described above, are in turn attached to the handle bar 160.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Civil Engineering (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Nursing (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
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  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Description

Die vorliegende Erfindung betrifft eine Hubvorrichtung nach dem Oberbegriff des Anspruchs 1.The present invention relates to a lifting device according to the preamble of claim 1.

Hubvorrichtungen der eingangs genannten Art sind aus dem Stand der Technik in unterschiedlichen Ausführungsformen bereits bekannt. Derartige Hubvorrichtungen stellen Handhabungslösungen zur Verfügung, die individuell an das Ladegut, den Einsatzort, den Anwender und die Art der Hantierung angepasst werden können. Hebezeuge, die zum Beispiel in Form von Gabeln, Dornen, Rollenplattformen, Hakenaufnahmen und Aufsatzgreifern ausgebildet sein können, ermöglichen zum Beispiel ein ergonomisches Bestücken von Maschinen, Regalen, Abfüllanlagen, Förderanlagen, Zentrifugen, Paletten, Rollenbahnen und Arbeitsplätzen. Komplexe, körperlich anspruchsvolle Hantierungen können mit derartigen Hubvorrichtungen einfach, sicher, ergonomisch und somit wirtschaftlich ausgeführt werden. Abhängig von der Art des verwendeten Hebezeugs können unterschiedliche Handhabungsfunktionen, wie zum Beispiel Heben, Senken, Drehen, Wenden, Greifen, Schütten, Kippen, Halten, Kommissionieren, Schieben, Positionieren, Konfektionieren oder Palettieren, realisiert werden.Lifting devices of the type mentioned at the beginning are already known from the prior art in different embodiments. Such lifting devices provide handling solutions that can be individually adapted to the load, the place of use, the user and the type of handling. Lifting devices, which can be designed in the form of forks, thorns, roller platforms, hook mounts and grippers, for example, enable ergonomic loading of machines, shelves, filling systems, conveyor systems, centrifuges, pallets, roller conveyors and workstations. Complex, physically demanding handling can be carried out simply, safely, ergonomically and thus economically with such lifting devices. Depending on the type of hoist used, different handling functions such as lifting, lowering, rotating, turning, gripping, pouring, tilting, holding, picking, pushing, positioning, assembling or palletizing can be implemented.

Hubvorrichtungen mit einem Handhabungsmittel, an dem ein Funktionselement angebracht ist, sind zum Beispiel aus der DE 698 19 353 T2 , der WO 02/074216 A1 und der WO 2009/136359 A1 bekannt.Lifting devices with a handling means to which a functional element is attached are for example from the DE 698 19 353 T2 , the WO 02/074216 A1 and the WO 2009/136359 A1 known.

Die vorliegende Erfindung macht es sich zur Aufgabe, eine Hubvorrichtung der eingangs genannten Art zur Verfügung zu stellen, die einen verbesserten Bedienkomfort bietet.It is an object of the present invention to provide a lifting device of the type mentioned at the beginning which offers improved ease of use.

Die Lösung dieser Aufgabe liefert eine Hubvorrichtung der eingangs genannten Art mit den Merkmalen des kennzeichnenden Teils des Anspruchs 1. Die Unteransprüche betreffen vorteilhafte Weiterbildungen der Erfindung.This object is achieved by a lifting device of the type mentioned at the outset with the features of the characterizing part of claim 1. The subclaims relate to advantageous developments of the invention.

Eine erfindungsgemäße Hubvorrichtung zeichnet sich dadurch aus, dass das erste Griffteil einen zentralen Griffabschnitt, an dem ein Benutzer das erste Griffteil (20) greifen kann, und einen inneren Bügelabschnitt und einen äußeren Bügelabschnitt umfasst, die sich seitlich an den Griffabschnitt des ersten Griffteils anschließen, wobei zwischen dem Griffabschnitt und dem inneren Bügelabschnitt ein Aufnahmeraum ausgebildet ist, innerhalb dessen zumindest ein Funktionselement anordenbar ist, und/oder wobei an einer Außenseite des inneren Bügelabschnitts zumindest ein Funktionselement angebracht ist. Durch das Vorsehen des zwischen dem inneren Bügelabschnitt und dem Griffabschnitt ausgebildeten Aufnahmeraums wird die Möglichkeit geschaffen, dort ein Funktionselement anzubringen. Aufgrund der Nähe des Funktionselements zur Hand eines Benutzers, der den Griffabschnitt greift, kann der Bedienkomfort der Hubvorrichtung in vorteilhafter Weise erhöht werden. Wenn der innere Bügelabschnitt des ersten Griffteils gemäß einer vorteilhaften Ausführungsform geschlossen ausgebildet ist, bildet dieser einen formstabilen Verbund mit dem Griffabschnitt des ersten Griffteils. Vorzugsweise weist die Hubvorrichtung ein Fahrgestell auf, an dem die mindestens eine Masteinheit angebracht ist, so dass die Hubvorrichtung verfahrbar ist. Das alternativ oder zusätzlich an der Außenseite des inneren Bügelabschnitts angebrachte Funktionselement trägt zu einer weiteren Verbesserung der Bedienergonomie bei.A lifting device according to the invention is characterized in that the first handle part comprises a central handle section on which a user can grip the first handle part (20), and an inner bracket section and an outer bracket section, which laterally adjoin the handle section of the first handle part, wherein a receiving space is formed between the handle section and the inner bracket section, within which at least one functional element can be arranged, and / or wherein at least one functional element is attached to an outside of the inner bracket section. By providing the receiving space formed between the inner bracket section and the handle section, the possibility is created of attaching a functional element there. Due to the proximity of the functional element to the hand of a user who grips the handle section, the ease of use of the lifting device can be increased in an advantageous manner. If the inner bow section of the first handle part is designed to be closed according to an advantageous embodiment, it forms a dimensionally stable bond with the handle section of the first handle part. The lifting device preferably has a chassis on which the at least one mast unit is attached so that the lifting device can be moved. The functional element attached alternatively or additionally to the outside of the inner bracket section contributes to a further improvement in the ergonomics of the operator.

Da der äußere Bügelabschnitt des ersten Griffteils die Hand eines Benutzers vor Verletzungen, die zum Beispiel bei einer Berührung des Griffbügels mit einem Gegenstand auftreten können und insbesondere von einem Einklemmen der Hand herrühren können, wirksam schützen kann, kann die Betriebssicherheit der Hubvorrichtung in vorteilhafter Weise erhöht werden. Zur Erhöhung der Eigenstabilität besteht in einer bevorzugten Ausführungsform die Möglichkeit, dass der äußere Bügelabschnitt des ersten Griffteils geschlossen ausgebildet ist. Der äußere Bügelabschnitt bildet dabei einen formstabilen Verbund mit dem Griffabschnitt des ersten Griffteils.Since the outer bracket section of the first handle part effectively protects the hand of a user from injuries which can occur, for example, when the handle bracket comes into contact with an object and in particular can result from the hand being trapped can, the operational reliability of the lifting device can be increased in an advantageous manner. To increase the inherent stability, in a preferred embodiment there is the possibility that the outer bracket section of the first handle part is designed to be closed. The outer bracket section forms a dimensionally stable composite with the handle section of the first handle part.

Vorzugsweise kann die Hubvorrichtung ein Haltemittel aufweisen, das an dem Mast angebracht ist und an dem der Griffbügel befestigt oder integral mit diesem ausgebildet ist.The lifting device can preferably have a holding means which is attached to the mast and to which the handlebar is attached or formed integrally with it.

Zur weiteren Verbesserung der Bedienergonomie kann in einer vorteilhaften Ausführungsform vorgesehen sein, dass der Mast zumindest eine Führung aufweist, innerhalb derer das Haltemittel zusammen mit dem Griffbügel in Hochrichtung der Hubvorrichtung verschiebbar geführt ist. Dadurch wird die Möglichkeit einer Höhenverstellung des Handhabungsmittels geschaffen, um dessen Höhe zum Beispiel individuell an die Körpergröße eines Benutzers anpassen zu können. Vorzugsweise kann die Hubvorrichtung zumindest ein Halteelement, insbesondere eine Halteschraube aufweisen, mittels dessen das Haltemittel in der Führung lösbar festlegbar ist. Nach dem Lösen des mindestens einen Haltemittels kann die Höhe des Handhabungsmittels auf einfache Weise eingestellt werden. Durch anschließendes Feststellen des mindestens einen Haltemittels kann das Handhabungsmittel in der gewünschten Position am Mast festgestellt werden.To further improve the ergonomics of the operator, it can be provided in an advantageous embodiment that the mast has at least one guide within which the holding means, together with the handle bar, is slidably guided in the vertical direction of the lifting device. This creates the possibility of adjusting the height of the handling means in order to be able to adapt its height, for example, individually to the body size of a user. The lifting device can preferably have at least one holding element, in particular a holding screw, by means of which the holding means can be releasably fixed in the guide. After the at least one holding means has been released, the height of the handling means can be adjusted in a simple manner. By subsequently fixing the at least one holding means, the handling means can be fixed in the desired position on the mast.

Vorzugsweise kann die mindestens eine Führung als Führungskulisse oder Führungsschlitz ausgebildet sein. Durch diese Maßnahme wird erreicht, dass das Handhabungsmittel besonders sicher geführt werden kann.The at least one guide can preferably be designed as a guide slot or guide slot. This measure ensures that the handling means can be guided particularly safely.

In einer vorteilhaften Ausführungsform besteht die Möglichkeit, dass der Griffbügel einen Basisabschnitt aufweist, der sich beidseitig quer zum Mast erstreckt. Dadurch können zum Beispiel Lenkbewegungen erleichtert werden.In an advantageous embodiment there is the possibility that the handle bar has a base section which extends transversely to the mast on both sides. This can facilitate steering movements, for example.

Vorzugsweise kann der Griffbügel zwei Seitenabschnitte aufweisen, die sich im Wesentlichen parallel zueinander und orthogonal von dem Basisabschnitt weg erstrecken.The handle bar can preferably have two side sections which extend essentially parallel to one another and orthogonally away from the base section.

Zur Verbesserung der Ergonomie kann in einer bevorzugten Ausführungsform vorgesehen sein, dass der Griffbügel so angeordnet ist, dass die beiden Seitenabschnitte schräg nach oben angestellt sind.To improve ergonomics, it can be provided in a preferred embodiment that the handle bar is arranged in such a way that the two side sections are inclined upwards.

Vorzugsweise kann das Griffteil an einem der Seitenabschnitte angebracht sein und sich insbesondere orthogonal zu diesem Seitenabschnitt nach unten erstrecken.The handle part can preferably be attached to one of the side sections and, in particular, extend downwards orthogonally to this side section.

In einer besonders vorteilhaften Weiterbildung besteht die Möglichkeit, dass das Handhabungsmittel ein zweites Griffteil aufweist, welches an dem Griffbügel angebracht ist und einen zentralen Griffabschnitt, an dem ein Benutzer das zweite Griffteil greifen kann, einen inneren Bügelabschnitt sowie einen äußeren Bügelabschnitt umfasst, wobei sich die Bügelabschnitte seitlich an den Griffabschnitt des zweiten Griffteils anschließen und wobei zwischen dem Griffabschnitt und dem inneren Bügelabschnitt des zweiten Griffteils ein Aufnahmeraum ausgebildet ist, innerhalb dessen zumindest ein Funktionselement anordenbar ist. Wenn der innere Bügelabschnitt des zweiten Griffteils gemäß einer bevorzugten Ausführungsform geschlossen ausgeführt ist, bildet dieser einen formstabilen Verbund mit dem Griffabschnitt des zweiten Griffteils. Dadurch, dass beide Griffteile einen Aufnahmeraum aufweisen, kann in vorteilhafter Weise an jeder Seite des Griffbügels zumindest ein Funktionselement angeordnet werden.In a particularly advantageous development, there is the possibility that the handling means has a second handle part which is attached to the handle bar and a central handle section on which a user can grip the second handle part, an inner handle section and an outer handle section, the The bracket sections connect laterally to the handle section of the second handle part and wherein a receiving space is formed between the handle section and the inner bracket section of the second handle part, within which at least one functional element can be arranged. If, according to a preferred embodiment, the inner bow section of the second handle part is designed to be closed, it forms a dimensionally stable bond with the handle section of the second handle part. The fact that both handle parts have a receiving space can advantageously at least one functional element can be arranged on each side of the handlebar.

Vorzugsweise kann an jedem der Seitenabschnitte des Griffbügels jeweils eines der Griffteile angebracht sein, wobei sich die Griffteile insbesondere orthogonal zu dem jeweiligen Seitenabschnitt nach unten erstrecken.Preferably, one of the handle parts can be attached to each of the side sections of the handlebar, the handle parts extending downwards in particular orthogonally to the respective side section.

In einer besonders bevorzugten Ausführungsform besteht die Möglichkeit, dass der äußere Bügelabschnitt des zweiten Griffteils geschlossen ausgebildet ist. Wenn die äußeren Bügelabschnitte beider Griffteile geschlossen ausgebildet sind, können beide Hände eines Benutzers wirksam vor Verletzungen geschützt werden.In a particularly preferred embodiment, there is the possibility that the outer bracket section of the second handle part is designed to be closed. If the outer bow sections of both handle parts are designed to be closed, both hands of a user can be effectively protected from injuries.

Zur Erhöhung der Eigenstabilität der Griffteile kann vorgesehen sein, dass die äußeren Bügelabschnitte der Griffteile geschlossen ausgebildet sind. Die äußeren Bügelabschnitte bilden dabei einen formstabilen Verbund mit dem Griffabschnitt der jeweiligen Griffteile.To increase the inherent stability of the handle parts, it can be provided that the outer bracket sections of the handle parts are designed to be closed. The outer bracket sections form a dimensionally stable composite with the handle section of the respective handle parts.

Zur weiteren Verbesserung der Bedienergonomie besteht in einer bevorzugten Ausführungsform die Möglichkeit, dass an einer Außenseite des inneren Bügelabschnitts des zweiten Griffteils zumindest ein Funktionselement angebracht ist.To further improve operator ergonomics, in a preferred embodiment there is the option of at least one functional element being attached to an outside of the inner bracket section of the second handle part.

Vorzugsweise kann an einer Außenseite des inneren Bügelabschnitts jedes der beiden Griffteile zumindest ein Funktionselement, insbesondere eine Bedieneinheit, eine Anzeigeeinheit, eine kombinierte Bedien- und Anzeigeeinheit oder ein Ablageelement angebracht sein.Preferably, at least one functional element, in particular an operating unit, a display unit, a combined operating and display unit or a storage element can be attached to an outside of the inner bracket section of each of the two handle parts.

Das höhenverstellbare Anschlussmittel kann zweckmäßig an einer dem Handhabungsmittel gegenüberliegenden Seite des Mastes angeordnet sein.The height-adjustable connection means can expediently be arranged on a side of the mast opposite the handling means.

Zur Erhöhung der Traglast, kann in einer vorteilhaften Ausführungsform vorgesehen sein, dass die Hubvorrichtung eine erste Masteinheit mit einem Mast, an dem das Handhabungsmittel angebracht ist, eine zweite Masteinheit mit einem Mast, an dem ein erstes höhenverstellbares Anschlussmittel zum Anschluss eines ersten Hebezeugs angebracht ist, sowie eine dritte Masteinheit mit einem Mast, an dem ein zweites höhenverstellbares Anschlussmittel zum Anschluss des ersten Hebezeugs oder eines zweiten Hebezeugs angebracht ist, aufweist.To increase the load capacity, it can be provided in an advantageous embodiment that the lifting device has a first mast unit with a mast on which the handling means is attached, a second mast unit with a mast on which a first height-adjustable connection means for connecting a first hoist is attached , and a third mast unit with a mast, on which a second height-adjustable connection means for connecting the first hoist or a second hoist is attached.

In einer bevorzugten Ausführungsform kann die Hubvorrichtung ein Gehäuse aufweisen, innerhalb dessen eine Steuerungseinrichtung zur Steuerung eines Funktionselements des Hebezeugs, insbesondere einer Greifvorrichtung, untergebracht ist.In a preferred embodiment, the lifting device can have a housing, within which a control device for controlling a functional element of the lifting device, in particular a gripping device, is accommodated.

In einer besonders bevorzugten Ausführungsform wird vorgeschlagen, dass innerhalb des Gehäuses der Steuerungseinrichtung eine Bedieneinheit für die Steuerungseinrichtung untergebracht ist.In a particularly preferred embodiment it is proposed that an operating unit for the control device is accommodated within the housing of the control device.

Vorzugsweise kann das Gehäuse der Steuerungseinrichtung an dem Griffbügel angebracht sein. Dadurch kann in vorteilhafter Weise verhindert werden, dass ein Benutzer während der Fahrt zum Beispiel Bedieneingaben an der Bedieneinheit vornimmt. Wenn das Handhabungsmittel mit dem Griffbügel höhenverstellbar ausgeführt ist, kann zudem die Bedieneinheit stets in einer ergonomisch günstigen Höhe positioniert werden.The housing of the control device can preferably be attached to the handle bar. This can advantageously prevent a user from making, for example, operating inputs on the operating unit while driving. If the handling means with the handle bar is designed to be height-adjustable, the operating unit can also always be positioned at an ergonomically favorable height.

Vorzugsweise kann das Gehäuse der Steuerungseinrichtung an dem Basisabschnitt des Griffbügels angebracht sein.The housing of the control device can preferably be attached to the base section of the handle bar.

In einer vorteilhaften Ausführungsform kann das Gehäuse der Steuerungseinrichtung an den Basisabschnitt des Griffbügels angehängt sein. Dadurch wird eine besonders einfache Montage beziehungsweise Demontage der Steuerungseinrichtung, die innerhalb des Gehäuses untergebracht ist, ermöglicht.In an advantageous embodiment, the housing of the control device can be attached to the base section of the handle bar. This makes assembly particularly easy or dismantling of the control device, which is housed within the housing, allows.

Weitere Merkmale und Vorteile der vorliegenden Erfindung werden deutlich anhand der nachfolgenden Beschreibung bevorzugter Ausführungsbeispiele unter Bezugnahme auf die beiliegenden Abbildungen. Darin zeigen:

Fig. 1
eine perspektivische Ansicht einer Hubvorrichtung, die gemäß einem ersten Ausführungsbeispiel der vorliegenden Erfindung ausgeführt ist,
Fig. 2
eine weitere perspektivische Ansicht der Hubvorrichtung gemäß Fig. 1,
Fig. 3
eine vergrößerte Darstellung einer Einzelheit der Hubvorrichtung gemäß Fig. 1 und 2,
Fig. 4
einen ersten Abschnitt eines Seitenteils eines Fahrgestells der Hubvorrichtung gemäß Fig. 1 bis 3 in perspektivischer Darstellung,
Fig. 5
einen zweiten Abschnitt eines Seitenteils eines Fahrgestells der Hubvorrichtung gemäß Fig. 1 bis 3 in perspektivischer Darstellung,
Fig. 6
einen dritten Abschnitt eines Seitenteils eines Fahrgestells der Hubvorrichtung gemäß Fig. 1 bis 3 in perspektivischer Darstellung,
Fig. 7
einen Querträger eines Seitenteils eines Fahrgestells der Hubvorrichtung gemäß der Figuren 1 bis 3 in perspektivischer Darstellung,
Fig. 8
einen Mastfuß in perspektivischer Darstellung,
Fig. 9
eine perspektivische Ansicht einer Hubvorrichtung, die gemäß einem zweiten Ausführungsbeispiel der vorliegenden Erfindung ausgeführt ist,
Fig. 10
eine weitere perspektivische Ansicht der Hubvorrichtung gemäß Fig. 9,
Fig. 11
eine vergrößerte Darstellung einer Einzelheit der Hubvorrichtung gemäß Fig. 9 und 10.
Further features and advantages of the present invention will become clear on the basis of the following description of preferred exemplary embodiments with reference to the accompanying figures. Show in it:
Fig. 1
a perspective view of a lifting device which is designed according to a first embodiment of the present invention,
Fig. 2
a further perspective view of the lifting device according to Fig. 1 ,
Fig. 3
an enlarged view of a detail of the lifting device according to Fig. 1 and 2 ,
Fig. 4
a first section of a side part of a chassis of the lifting device according to FIG Figs. 1 to 3 in perspective view,
Fig. 5
a second section of a side part of a chassis of the lifting device according to FIG Figs. 1 to 3 in perspective view,
Fig. 6
a third section of a side part of a chassis of the lifting device according to FIG Figs. 1 to 3 in perspective view,
Fig. 7
a cross member of a side part of a chassis of the lifting device according to FIG Figures 1 to 3 in perspective view,
Fig. 8
a mast base in perspective,
Fig. 9
a perspective view of a lifting device which is designed according to a second embodiment of the present invention,
Fig. 10
a further perspective view of the lifting device according to Fig. 9 ,
Fig. 11
an enlarged view of a detail of the lifting device according to Fig. 9 and 10 .

Unter Bezugnahme auf Fig. 1 bis 3 umfasst eine Hubvorrichtung H, die gemäß einem ersten Ausführungsbeispiel der vorliegenden Erfindung ausgeführt ist, ein Fahrgestell 2 sowie eine Masteinheit 1, die an dem Fahrgestell 2 angebracht ist.With reference to Figs. 1 to 3 comprises a lifting device H, which is designed according to a first embodiment of the present invention, a chassis 2 and a mast unit 1 which is attached to the chassis 2.

Das Fahrgestell 2 weist zwei sich parallel zueinander erstreckende Seitenteile 3, 4 auf, die mittels eines Querträgers 5, der sich in Querrichtung zwischen diesen erstreckt, miteinander verbunden sind.The chassis 2 has two side parts 3, 4 which extend parallel to one another and which are connected to one another by means of a cross member 5 which extends between them in the transverse direction.

Bei dem Querträger 5 (siehe insbesondere Fig. 7) kann es sich um ein Rechteckrohr oder ein anderes Profilteil mit einem über seine Länge gleichförmigen Profilquerschnitt handeln.In the case of the cross member 5 (see in particular Fig. 7 ) it can be a rectangular tube or another profile part with a profile cross-section that is uniform over its length.

Jedes der beiden Seitenteile 3, 4 umfasst einen vorderen (ersten) Abschnitt 30, 40 (siehe insbesondere Fig. 4), der vorzugsweise als Profilteil mit gleichförmigem Querschnitt, insbesondere als Rechteckrohr, ausgebildet ist. Jeder der beiden vorderen Abschnitte 30, 40 der Seitenteile 3, 4 weist ein freies Ende auf, an dem über einen ersten Rollenhalter 33, 43 jeweils eine Rolle 34, 44 angebracht ist. Diese beiden Rollen 34, 44 können relativ zu einer Hochachse der Hubvorrichtung H drehbar sein (Lenkrollen). Es könnten aber auch Bockrollen verwendet werden.Each of the two side parts 3, 4 comprises a front (first) section 30, 40 (see in particular Fig. 4 ), which is preferably designed as a profile part with a uniform cross section, in particular as a rectangular tube. Each of the two front sections 30, 40 of the side parts 3, 4 has a free end to which a roller 34, 44 is attached via a first roller holder 33, 43. These two rollers 34, 44 can be rotatable relative to a vertical axis of the lifting device H (steering rollers). Fixed castors could also be used.

Jedes der beiden Seitenteile umfasst ferner einen hinteren (zweiten) Abschnitt 31, 41 (siehe insbesondere Fig. 5), der vorzugsweise ebenfalls als Profilteil mit gleichförmigem Querschnitt, insbesondere als Rechteckrohr, ausgebildet ist. An den freien Enden der beiden hinteren Abschnitte 31, 41 der Seitenteile 3, 4 können über je einen zweiten Rollenhalter 35, 45 jeweils eine Lenkrolle 36, 46 angebracht sein. Die Lenkrollen 34, 44, 36, 46 sind um die Hochachse der Hubvorrichtung H bewegbar, so dass mit ihnen zum Beispiel Lenkbewegungen durchgeführt werden können. Die Bewegbarkeit der Rollen um die Hochachse kann durch einen Mechanismus blockiert oder zumindest eingeschränkt werden. Alternativ können dies auch Bockrollen sein.Each of the two side parts further comprises a rear (second) section 31, 41 (see in particular Fig. 5 ), which is preferably also designed as a profile part with a uniform cross section, in particular as a rectangular tube. At the free ends of the two rear sections 31, 41 of the side parts 3, 4, a respective swivel castor 36, 46 can be attached via a second roll holder 35, 45. The steering rollers 34, 44, 36, 46 can be moved about the vertical axis of the lifting device H so that steering movements can be carried out with them, for example. The mobility of the rollers around the vertical axis can be blocked or at least restricted by a mechanism. Alternatively, these can also be fixed castors.

Der vordere Abschnitt 30, 40 und der hintere Abschnitt 31, 41 eines jeden der beiden Seitenteile 3, 4 sind über einen mittleren (dritten) Abschnitt 32, 42 (siehe insbesondere Fig. 6), der vorzugsweise als Gussteil ausgebildet ist, miteinander verbunden. Bei dem Gussteil kann es sich um ein Aluminium-(Druck)-Gussteil, ein Graugussteil oder ein anderes Gussteil handeln. Alternativ könnte auch eine Schweißkonstruktion aus Metall oder eine Kunststoffkonstruktion, insbesondere eine Spritzguss-, Laminat- oder eine andere Kunststoffkonstruktion verwendet werden. Ebenso ist es möglich, dass die Abschnitte 32, 42 aus Profilteilen zusammengesetzt sind, die fest miteinander verbunden sind.The front section 30, 40 and the rear section 31, 41 of each of the two side parts 3, 4 are connected via a middle (third) section 32, 42 (see in particular Fig. 6 ), which is preferably designed as a cast part, connected to one another. The cast part can be an aluminum (pressure) cast part, a gray cast part or another cast part. Alternatively, a welded construction made of metal or a plastic construction, in particular an injection-molded, laminate or other plastic construction, could also be used. It is also possible that the sections 32, 42 are composed of profile parts that are firmly connected to one another.

An den mittleren Abschnitten 32, 42 der Seitenteile 3, 4 sind Strukturen 320, 420, 321, 421, 325, 425 zur Verbindung mit den vorderen Abschnitten 30, 40 und den hinteren Abschnitten 31, 41 sowie zur Verbindung mit dem Querträger 5 vorgesehen. Die Strukturen 325, 425 zur Verbindung mit dem Querträger 5 können monolithisch mit den übrigen mittleren Abschnitten 32, 42 verbunden sein. Es ist ebenso möglich, diese an den übrigen Abschnitten 32, 42 anzufügen, um bei der Montage des Fahrgestells Toleranzen ausgleichen zu können.Structures 320, 420, 321, 421, 325, 425 for connection to the front sections 30, 40 and the rear sections 31, 41 and for connection to the cross member 5 are provided on the middle sections 32, 42 of the side parts 3, 4. The structures 325, 425 for connection to the cross member 5 can be monolithically connected to the remaining central sections 32, 42 be. It is also possible to add these to the remaining sections 32, 42 in order to be able to compensate for tolerances during the assembly of the chassis.

Sind als Querträger 5, als vordere Abschnitte 30, 40 und als hintere Abschnitte 31, 41 Rohre vorgesehen, können als Verbindungsstrukturen 321, 421 an dem mittleren Abschnitt 32, 42 der Seitenteile 3, 4 Stutzen vorgesehen sein, die in die Rohre eingesteckt und dort durch Schrauben 37, 48 oder andere Befestigungselemente fixiert sind.If tubes are provided as cross members 5, front sections 30, 40 and rear sections 31, 41, connecting structures 321, 421 can be provided as connecting structures 321, 421 on the middle section 32, 42 of the side parts 3, 4, which are inserted into the tubes and there are fixed by screws 37, 48 or other fasteners.

Die Abschnitte 30, 31, 40, 41 können Rechteckrohre mit gleichem Querschnittsprofil sein. Vorzugsweise werden die Abschnitte 30, 31, 40, 41 durch Abtrennen von einem Rohr hergestellt. Vorzugsweise sind die vorderen Abschnitte 30, 40 identisch und auch die hinteren Abschnitte 31, 41 identisch. Ebenso sind die Rollenhalter 33, 43 identisch und die Rollenhalter 35, 45 identisch. Das gleiche gilt für die Rollen 34, 44, die ebenso identisch sind wie die Rollen 36, 46. Lediglich die mittleren Abschnitte 32, 42 der Seitenteile 3, 4 sind nicht identisch. Dafür sind diese flächensymmetrisch zu einer Fläche senkrecht zu einer Ebene, die durch Aufstandspunkte der Rollen 34, 44, 36, 46 auf einem Untergrund aufgespannt ist.The sections 30, 31, 40, 41 can be rectangular tubes with the same cross-sectional profile. The sections 30, 31, 40, 41 are preferably produced by severing them from a pipe. The front sections 30, 40 are preferably identical and the rear sections 31, 41 are also identical. The roll holders 33, 43 are also identical and the roll holders 35, 45 are identical. The same applies to the rollers 34, 44, which are just as identical as the rollers 36, 46. Only the middle sections 32, 42 of the side parts 3, 4 are not identical. For this purpose, these are symmetrical in area to a surface perpendicular to a plane which is spanned by contact points of the rollers 34, 44, 36, 46 on a substrate.

Ein Vorteil des beschriebenen Fahrgestells 2 mit den u.a. aus den Abschnitten 30, 31, 32, 40, 41, 42 der Seitenteile 3, 4 und dem Querträger 5 aufgebauten Fahrgestell 2 ist, dass durch eine Variation der Längen des Querträgers 5 und der Abschnitte 30, 31, 32, 40, 41, 42 der Seitenteile 3, 4 ohne großen technischen Aufwand Fahrgestelle 2 mit anderen Dimensionen geschaffen werden können. Durch die Wahl eines kürzeren oder längeren Querträgers 5 kann ein schmaleres oder breiteres Fahrgestell 2 geschaffen werden. Eine Änderung der Seitenteile 3, 4 oder der Masteinheit 1 ist dazu nicht oder nicht grundsätzlich erforderlich. Durch eine Variation der Länge der Abschnitte 30, 31, 40, 41 der Seitenteile 3, 4 kann ein größerer oder kleinerer Überstand des Fahrgestelles 2 über die Masteinheit 1 nach vorne oder nach hinten erzielt werden. Die mittleren Abschnitte 32, 42 müssen dazu nicht geändert werden. Ebenso ist es möglich, anstelle der beschriebenen und in den Figuren dargestellten vorderen oder hinteren Abschnitte 30, 31, 40, 41 zumindest teilweise anders gestaltete Abschnitte für die Seitenteile 3, 4 zu wählen, wenn das zum Beispiel der Einsatzzweck des Hubwagens sinnvoll oder notwendig macht. Der vordere Abschnitt 30, 40 oder der hintere Abschnitt 31, 41 könnten beispielsweise Abkröpfungen aufweisen oder ähnliches.One advantage of the described chassis 2 with the chassis 2 made up of sections 30, 31, 32, 40, 41, 42 of the side parts 3, 4 and the cross member 5 is that by varying the lengths of the cross member 5 and the sections 30 , 31, 32, 40, 41, 42 of the side parts 3, 4 chassis 2 with other dimensions can be created without great technical effort. By choosing a shorter or longer cross member 5, a narrower or wider chassis 2 can be created. A change to the side parts 3, 4 or the mast unit 1 is not necessary or not required in principle. By varying the length of the sections 30, 31, 40, 41 of the side parts 3, 4, a larger or smaller protrusion of the chassis 2 over the mast unit 1 to the front or to the rear can be achieved. The middle sections 32, 42 do not have to be changed for this. It is also possible to choose at least partially differently designed sections for the side parts 3, 4 instead of the front or rear sections 30, 31, 40, 41 described and shown in the figures, if this makes sense or is necessary, for example, for the purpose of the lift truck . The front section 30, 40 or the rear section 31, 41 could for example have bends or the like.

Oberhalb der beiden Rollen 36, 46 erstreckt sich in Querrichtung des Fahrgestells 2 ein Bremsbetätigungsbügel 9, mittels dessen eine auf die beiden Rollen 36, 46 wirkende Bremseinrichtung festgestellt beziehungsweise wieder gelöst werden kann. Der Bremsbetätigungsbügel 9 ist an den Rollenträgern 35, 45 für die hinteren Rollen 36, 46 schwenkbar gelagert. Die Bremseinrichtung ist auf herkömmliche Art und Weise ausgestaltet.Above the two rollers 36, 46, a brake actuation bracket 9 extends in the transverse direction of the chassis 2, by means of which a braking device acting on the two rollers 36, 46 can be established or released again. The brake actuation bracket 9 is pivotably mounted on the roller supports 35, 45 for the rear rollers 36, 46. The braking device is designed in a conventional manner.

Unter dem Querträger 5 ist ein Gehäuse 6 vorgesehen. In diesem Gehäuse 6 ist eine Antriebseinheit untergebracht, mit welcher ein nicht dargestelltes Hebezeug angehoben und abgesenkt werden kann. Die Antriebseinheit ist dazu in an sich bekannter Art und Weise über eine Spindel, die in der Masteinheit 1 angeordnet ist, mit einem Schlitten gekoppelt, der einerseits in dem Mast 10 verschiebbar angeordnet ist und andererseits mit dem Hebezeug verbunden ist.A housing 6 is provided under the cross member 5. In this housing 6 a drive unit is accommodated with which a lifting device (not shown) can be raised and lowered. For this purpose, the drive unit is coupled in a manner known per se via a spindle which is arranged in the mast unit 1 to a slide which is arranged displaceably on the one hand in the mast 10 and on the other hand is connected to the hoist.

Die Masteinheit 1 umfasst einen Mast 10 und einen Mastfuß 11.The mast unit 1 comprises a mast 10 and a mast foot 11.

Der Mastfuß 11 schafft die Verbindung zwischen dem Mast 10 und dem Querträger 5. Der Mastfuß 11 umfasst dazu ein erstes Teil 110, vorzugsweise in der Form einer Platte, insbesondere eines Metallbleches, die auf der Oberseite des Querträgers 5, vorzugsweise durch Verschrauben befestigt ist. In einem Winkel dazu, der einer Neigung des Mastes 10 entspricht, ist ein zweites Teil 111 vorgesehen, das zum einen mit dem ersten Teil 110 und zum anderen mit dem Mast 10 verbunden ist. Das zweite Teil ist ebenfalls vorzugsweise eine Platte, insbesondere ein Metallblech, die an die Rückseite des Mastes 10 geschraubt ist. Die beiden Teile 110, 111 sind vorzugsweise durch Schweißen miteinander verbunden. Wenigstens ein drittes Teil (nicht dargestellt) kann als Strebe vorgesehen sein, welches zusätzlich zur Schweißverbindung zwischen dem ersten und dem zweiten Teil 110, 111 eine Verbindung schafft. Dieses dritte Teil ist vorzugsweise dazu vorgesehen, Drehmomente, die auf den Mast 10 wirken, abzufangen und vom ersten Teil 110 in das zweite Teil 111 des Mastfußes 10 abzuleiten. Das dritte Teil seinerseits kann über vierte Teile(nicht dargestellt), vorzugsweise ebenfalls Streben, gegenüber dem ersten Blech 110 abgestützt sein. Die Verbindung zwischen dem dritten Teil 112 und dem ersten und zweiten Teil 110, 111 sowie dem oder den vierten Teilen und dem dritten und dem ersten Teil 110 ist ebenfalls durch Schweißen hergestellt.The mast foot 11 creates the connection between the mast 10 and the cross member 5. For this purpose, the mast foot 11 comprises a first part 110, preferably in the form of a plate, in particular a metal sheet, which is attached to the top of the cross member 5, preferably by screwing. At an angle to this which corresponds to an inclination of the mast 10, a second part 111 is provided, which is connected to the first part 110 on the one hand and to the mast 10 on the other. The second part is also preferably a plate, in particular a sheet of metal, which is screwed to the rear of the mast 10. The two parts 110, 111 are preferably connected to one another by welding. At least one third part (not shown) can be provided as a strut which, in addition to the welded connection, creates a connection between the first and second parts 110, 111. This third part is preferably provided to intercept torques which act on the mast 10 and to divert them from the first part 110 into the second part 111 of the mast foot 10. The third part, for its part, can be supported with respect to the first sheet metal 110 via fourth parts (not shown), preferably also struts. The connection between the third part 112 and the first and second part 110, 111 as well as the fourth part or parts and the third and the first part 110 is also produced by welding.

Ein Vorteil der Masteinheit 1 mit dem beschriebenen oder einem funktional vergleichbaren Mastfuß 11 ist, dass die Masteinheit 1 mit diesem Mastfuß 11 an einer im Grunde beliebigen Basis befestigt werden kann. Die Basis kann im Grunde ein beliebiges Fahrgestell 2 sein und es ist nicht notwendig, dass das Fahrgestell 2 auf die vorbeschriebene Art und Weise gestaltet ist. Die Basis muss noch nicht einmal ein Fahrgestell 2 sein. Die Masteinheit 1 mit dem beschriebenen oder einem funktional vergleichbaren Mastfuß 11 kann an einer stationären Basis befestigt werden, zum Beispiel einem Sockel, einem Balken, einer Wand, einer auskragenden Platte o.a.An advantage of the mast unit 1 with the described mast base 11 or a functionally comparable mast base is that the mast unit 1 with this mast base 11 can be attached to basically any base. The base can basically be any desired chassis 2 and it is not necessary for the chassis 2 to be designed in the manner described above. The base doesn't even have to be a chassis 2. The mast unit 1 with the described mast base 11 or a functionally comparable one can be attached to a stationary base, for example a base, a beam, a wall, a cantilevered plate or the like

An einer Vorderseite des Mastes 10 ist ein Anschlussmittel 12 zum Anschluss des hier nicht explizit dargestellten Hebezeugs vorgesehen. Dieses Anschlussmittel 12 ist in einer Anschlussmittelführung 13, die in diesem Ausführungsbeispiel als sich in Hochrichtung des Mastes 10 erstreckende Führungskulisse ausgebildet ist, verschiebbar geführt, so dassein Heben und Senken des Anschlussmittels 12 zusammen mit dem daran angebrachten Hebezeug relativ zum Mast 10 möglich ist.On a front side of the mast 10, a connection means 12 is provided for connecting the lifting device, not explicitly shown here. This connection means 12 is displaceably guided in a connection means guide 13, which in this exemplary embodiment is designed as a guide link extending in the vertical direction of the mast 10, so that the connection means 12 can be raised and lowered relative to the mast 10 together with the lifting device attached to it.

Der Schlitten steht mit dem Anschlussmittel 12 zum Anschluss des Hebezeugs in Wirkverbindung und ermöglicht dadurch eine Aufbeziehungsweise Abwärtsbewegung des Anschlussmittels 12 relativ zum Mast 10.The slide is in operative connection with the connection means 12 for connecting the hoist and thereby enables an upward or downward movement of the connection means 12 relative to the mast 10.

An einer Rückseite des Mastes 10 ist oberhalb des Mastfußes 11 ein Gehäuse 15 angebracht, innerhalb dessen eine Steuerungseinrichtung für den Hubmotor untergebracht ist, die an die Antriebseinheit angeschlossen ist und zur Steuerung der Funktionen des Hubmotors vorgesehen ist. Innerhalb des Gehäuses 15 ist ferner zumindest ein aufladbarer Akkumulator untergebracht, mittels dessen unter anderem die Steuerungseinrichtung für den Hubmotor sowie die Antriebseinheit gespeist werden können. Es ist auch eine leitungsgebundene Stromversorgung der Steuerungseinrichtung sowie der Antriebseinheit möglich.On a rear side of the mast 10, a housing 15 is attached above the mast foot 11, within which a control device for the lifting motor is housed, which is connected to the drive unit and is provided for controlling the functions of the lifting motor. At least one rechargeable accumulator is also accommodated inside the housing 15, by means of which, among other things, the control device for the lifting motor and the drive unit can be fed. A wired power supply for the control device and the drive unit is also possible.

Oberhalb des Gehäuses 15 für die Steuerungseinrichtung des Hubmotors ist ein Handhabungsmittel 16 vorgesehen. Das Handhabungsmittel 16 weist einen Griffbügel 160 mit einem Basisabschnitt 161 auf, der sich beidseitig quer zum Mast 10 erstreckt und an einem sich in Hochrichtung des Mastes 10 erstreckenden Haltemittel 17 befestigt ist oder alternativ auch integral mit diesem ausgebildet sein kann. Das Haltemittel 17 ist in einer Führung 18 auf der Rückseite des Mastes 10 in Hochrichtung verschiebbar geführt, so dass eine Höhenverstellung des Haltemittels 17 mit dem daran angebrachten Handhabungsmittel 16 relativ zum Mast 10 möglich ist. Die Führung 18 ist in diesem Ausführungsbeispiel ebenfalls als Führungskulisse ausgebildet. Um das Haltemittel 17 mit dem daran angebrachten Handhabungsmittel 16 in der gewünschten Position zu fixieren, sind vorliegend z.B. zwei Halteschrauben 19a, 19b vorgesehen, die sich durch entsprechende Bohrungen des Haltemittels 17, die in Hochrichtung übereinander vorgesehen sind, hindurch erstrecken und innerhalb der Führung 18 festgelegt werden können. Nach dem Lösen der Halteschrauben 19a, 19b ist eine Höhenverstellung des Haltemittels 17 mit dem daran angebrachten Handhabungsmittel 16 möglich. Durch erneutes Festziehen der Halteschrauben 19a, 19b kann die Höhenposition des Handhabungsmittels 16 fixiert werden.A handling means 16 is provided above the housing 15 for the control device of the lifting motor. The handling means 16 has a handle bar 160 with a base section 161, which extends on both sides transversely to the mast 10 and is fastened to a holding means 17 extending in the vertical direction of the mast 10 or alternatively also integrally therewith can be formed. The holding means 17 is guided displaceably in the vertical direction in a guide 18 on the back of the mast 10, so that a height adjustment of the holding means 17 with the handling means 16 attached to it is possible relative to the mast 10. The guide 18 is also designed as a guide link in this embodiment. In order to fix the holding means 17 with the handling means 16 attached to it in the desired position, two holding screws 19a, 19b, for example, are provided in the present case, which extend through corresponding bores of the holding means 17, which are provided vertically one above the other, and inside the guide 18 can be set. After loosening the retaining screws 19a, 19b, a height adjustment of the retaining means 17 with the handling means 16 attached to it is possible. The height position of the handling means 16 can be fixed by tightening the retaining screws 19a, 19b again.

Der Griffbügel 160 weist ferner zwei Seitenabschnitte 162, 163 auf, die sich im Wesentlichen parallel zueinander und orthogonal von dem Basisabschnitt 161 weg erstrecken. Wie insbesondere in Fig. 1 zu erkennen, ist der Griffbügel 160 so angeordnet, dass die beiden Seitenabschnitte 162, 163 leicht schräg nach oben angestellt sind, um dadurch eine verbesserte Ergonomie zu erreichen. Das Handhabungsmittel 16 weist ferner zwei Griffteile 20, 21 auf, die an den freien Enden der beiden Seitenabschnitte 162, 163 befestigt sind. Alternativ können die beiden Griffteile 20, 21 auch integral mit dem Griffbügel 160 ausgebildet sein. Die beiden Griffteile 20, 21 erstrecken sich in Bezug auf die beiden Seitenabschnitte 162, 163 des Griffbügels 160 schräg nach unten und im Wesentlichen orthogonal zu diesen. Mittels der beiden Griffteile 20, 21 kann ein Benutzer die Hubvorrichtung H greifen und sie in der gewünschten Weise bewegen.The handle bar 160 furthermore has two side sections 162, 163, which extend essentially parallel to one another and orthogonally away from the base section 161. As in particular in Fig. 1 As can be seen, the handle bar 160 is arranged in such a way that the two side sections 162, 163 are inclined slightly upwards in order to achieve improved ergonomics. The handling means 16 also has two handle parts 20, 21 which are fastened to the free ends of the two side sections 162, 163. Alternatively, the two handle parts 20, 21 can also be formed integrally with the handle bar 160. The two handle parts 20, 21 extend in relation to the two side sections 162, 163 of the handle bar 160 obliquely downwards and essentially orthogonally to them. By means of the two handle parts 20, 21 a user can grip the lifting device H and move it in the desired manner.

Unter Bezugnahme auf Fig. 3 wird deutlich, dass jedes der beiden Griffteile 20, 21 einen zentralen Griffabschnitt 200, 210 aufweist, mittels dessen ein Benutzer das jeweilige Griffteil 20, 21 greifen kann. An jeden Griffabschnitt 200, 210 jedes der beiden Griffteile 20, 21 schließt sich seitlich ein äußerer, vorliegend geschlossen ausgebildeter Bügelabschnitt 201, 211 an. Diese äußeren Bügelabschnitte 201, 211 sind dazu in der Lage, die Verletzungsgefahr für einen Benutzer, insbesondere die Gefahr von Handverletzungen, zu verringern, wenn die Hubvorrichtung H im Bereich zumindest eines der beiden Griffteile 20, 21 zum Beispiel eine Berührung mit einem anderen Gegenstand oder einer Person erfährt.With reference to Fig. 3 it becomes clear that each of the two handle parts 20, 21 has a central handle section 200, 210 by means of which a user can grip the respective handle part 20, 21. At each handle section 200, 210 of each of the two handle parts 20, 21, an outer, presently closed bow section 201, 211 adjoins. These outer bracket sections 201, 211 are able to reduce the risk of injury to a user, in particular the risk of hand injuries, if the lifting device H in the area of at least one of the two handle parts 20, 21, for example, comes into contact with another object or a person learns.

Darüber hinaus weist jedes der beiden Griffteile 20, 21 einen inneren, vorliegend ebenfalls geschlossen ausgebildeten Bügelabschnitt 202, 212 auf. Jeder der beiden inneren Bügelabschnitte 202, 212 schließt sich seitlich an den Griffabschnitt 200, 210 des jeweiligen Griffteils 20, 21 an. Zwischen jedem der inneren Bügelabschnitte 202, 212 und dem zugehörigen Griffabschnitt 200, 210 ist jeweils ein Aufnahmeraum 203, 213 ausgebildet, innerhalb dessen zum Beispiel zumindest eine Bedieneinheit, eine Anzeigeeinheit, eine kombinierte Bedien- und Anzeigeeinheit und/oder zumindest ein Ablageelement, angeordnet werden können/kann. In dem hier gezeigten Ausführungsbeispiel ist zudem an einer Außenseite des inneren Bügelabschnitts 202 des ersten Griffteils 20 eine Bedieneinheit 24 angebracht, mittels derer zum Beispiel die Hubbewegung des Anschlussmittels 12 für das Hebezeug gesteuert werden kann. Die Bedieneinheit 24 kann zum Beispiel berührungssensitiv ausgeführt sein. In einer bevorzugten Ausführungsform kann die Bedieneinheit 24 ein berührungssensitives Anzeigemittel umfassen, mittels dessen Bedieneingaben getätigt werden können und beispielsweise Informationen über ausgewählte Betriebsparameter der Hubvorrichtung H angezeigt werden können.In addition, each of the two handle parts 20, 21 has an inner bow section 202, 212, which is also closed in the present case. Each of the two inner bow sections 202, 212 laterally adjoins the handle section 200, 210 of the respective handle part 20, 21. A receiving space 203, 213 is formed between each of the inner bracket sections 202, 212 and the associated handle section 200, 210, within which, for example, at least one operating unit, a display unit, a combined operating and display unit and / or at least one storage element are arranged can. In the exemplary embodiment shown here, an operating unit 24 is also attached to an outside of the inner bracket section 202 of the first handle part 20, by means of which, for example, the lifting movement of the connection means 12 for the hoist can be controlled. The operating unit 24 can be designed to be touch-sensitive, for example. In a preferred embodiment, the operating unit 24 can comprise a touch-sensitive display means, by means of which operating inputs can be made and for example Information about selected operating parameters of the lifting device H can be displayed.

Die Hubvorrichtung H kann ferner ein weiteres Gehäuse 22 aufweisen, innerhalb dessen eine Anzeige- und/oder Steuerungseinrichtung zur Steuerung eines Funktionselements, wie zum Beispiel einer Greifvorrichtung, des Hebezeugs und eine zugehörige Bedieneinheit 23 untergebracht sind. Ebenso können ggf. Informationen angezeigt werden. Dieses Gehäuse 22 ist an dem Basisabschnitt 161 des Griffbügels 160 des Handhabungsmittels 16 angebracht, insbesondere an diesen angehängt. Da die Bedieneinheit 23 für die Steuerung des Funktionselements des Hebezeugs innerhalb des an dem Griffbügel 160 angebrachten Gehäuses 22 untergebracht ist, kann erschwert werden, dass das Funktionselement des Hebezeugs von einem Benutzer während der Fahrt der Hubvorrichtung H betätigt werden kann. Daraus ergibt sich eine höhere Betriebssicherheit der Hubvorrichtung H. Da das Handhabungsmittel 16 mit Hilfe des Haltemittels 17 relativ zu dem Mast 10 in seiner Höhe verstellt werden kann, wird zudem in vorteilhafter Weise erreicht, dass das an dem Griffbügel 160 des Handhabungsmittels 16 angebrachte Gehäuse 22 und die darin untergebrachte Bedieneinheit 23 unter ergonomischen Gesichtspunkten stets auf eine optimale, an die Körpergröße eines Nutzers der Hubvorrichtung H angepasste Höhe eingestellt werden kann.The lifting device H can also have a further housing 22, within which a display and / or control device for controlling a functional element, such as a gripping device, of the lifting device and an associated operating unit 23 are accommodated. Information can also be displayed if necessary. This housing 22 is attached to the base section 161 of the handle bar 160 of the handling means 16, in particular attached to it. Since the operating unit 23 for controlling the functional element of the hoist is accommodated within the housing 22 attached to the handle bar 160, it can be made more difficult for the functional element of the hoist to be operated by a user while the lifting device H is moving. This results in a higher operational reliability of the lifting device H. Since the handling means 16 can be adjusted in height relative to the mast 10 with the help of the holding means 17, it is also advantageously achieved that the housing 22 attached to the handle bar 160 of the handling means 16 and the operating unit 23 accommodated therein can always be adjusted from an ergonomic point of view to an optimal height adapted to the body size of a user of the lifting device H.

Unter Bezugnahme auf Fig. 9 bis 11 soll nachfolgend eine Hubvorrichtung H näher erläutert werden, die gemäß einem zweiten Ausführungsbeispiel der vorliegenden Erfindung ausgeführt ist. Der grundlegende Aufbau dieser Hubvorrichtung H unterscheidet sich vom ersten Ausführungsbeispiel in erster Linie dadurch, dass die Hubvorrichtung H drei nebeneinander angeordnete Masteinheiten 1a, 1b, 1c mit jeweils einem Mast 10a, 10b, 10c aufweist. Aus diesem Grund wurden in Fig. 9 bis 11 funktional identische Bauteilkomponenten der Hubvorrichtung H gemäß dem zweiten Ausführungsbeispiel mit denselben Bezugszeichen versehen, die bei der Beschreibung des ersten Ausführungsbeispiels verwendet wurden. Nachfolgend sollen in erster Linie nur die konstruktiven Änderungen gegenüber dem ersten Ausführungsbeispiel näher erläutert werden.With reference to Figs. 9-11 a lifting device H is to be explained in more detail below, which is designed according to a second embodiment of the present invention. The basic structure of this lifting device H differs from the first exemplary embodiment primarily in that the lifting device H has three mast units 1a, 1b, 1c, each with a mast 10a, 10b, 10c. For this reason, in Figs. 9-11 functionally identical component components of the lifting device H according to the second exemplary embodiment are provided with the same reference numerals that were used in the description of the first exemplary embodiment. In the following, only the structural changes compared to the first exemplary embodiment will primarily be explained in more detail.

Eine erste (mittlere) Masteinheit 1a der Hubvorrichtung H weist einen Mast 10a auf, der an einem diesem zugeordneten Mastfuß 11a angebracht ist, die ihrerseits an dem Querträger 5, der sich in Querrichtung zwischen den beiden Seitenteilen 3, 4 erstreckt, angebracht ist. An einer Rückseite des Mastes 10a der ersten Masteinheit 1a ist wiederum das Gehäuse 15 angebracht, innerhalb dessen die Steuerungseinrichtung zur Steuerung des Hubmotors der Hubvorrichtung H sowie ggf. der Akkumulator untergebracht sind.A first (middle) mast unit 1a of the lifting device H has a mast 10a which is attached to a mast foot 11a associated therewith, which in turn is attached to the cross member 5 which extends transversely between the two side parts 3, 4. On a rear side of the mast 10a of the first mast unit 1a, the housing 15 is in turn attached, within which the control device for controlling the lifting motor of the lifting device H and possibly the accumulator are housed.

Das Handhabungsmittel 16 mit dem Griffbügel 160 ist wiederum oberhalb des Gehäuses 15 für die Steuerungseinrichtung des Hubmotors angeordnet und an dem sich in Hochrichtung des Mastes 10a erstreckenden Haltemittel 17 befestigt oder integral mit diesem ausgebildet. Das Haltemittel 17 ist in zwei Führungen 18a, 18b, die sich in Hochrichtung parallel zueinander erstrecken und vorliegend als Führungskulissen ausgebildet sind, auf der Rückseite des Mastes 10a der ersten Masteinheit 1a in Hochrichtung verschiebbar geführt. Dadurch wird eine Höhenverstellung des Haltemittels 17 mit dem daran angebrachten Handhabungsmittel 16 relativ zum Mast 10a der ersten Masteinheit 1a ermöglicht. Um das Haltemittel 17 mit dem daran angebrachten Handhabungsmittel 16 in der gewünschten Position zu fixieren, sind z.B. vorliegend zwei nebeneinander angeordnete Halteschrauben 19a, 19b vorgesehen, die sich durch entsprechende Bohrungen des Haltemittels 17 hindurch erstrecken und jeweils innerhalb einer der beiden Führungen 18a, 18b festgelegt werden können. Nach dem Lösen der Halteschrauben 19a, 19b ist eine Höhenverstellung des Haltemittels 17 mit dem daran angebrachten Handhabungsmittel 16 möglich.The handling means 16 with the handle bar 160 is in turn arranged above the housing 15 for the control device of the lifting motor and attached to the holding means 17 extending in the vertical direction of the mast 10a or formed integrally with it. The holding means 17 is guided in two guides 18a, 18b, which extend parallel to one another in the vertical direction and are in the present case designed as guide links, on the rear side of the mast 10a of the first mast unit 1a in a vertical direction. This enables a height adjustment of the holding means 17 with the handling means 16 attached to it relative to the mast 10a of the first mast unit 1a. To fix the holding means 17 with the handling means 16 attached to it in the desired position, two holding screws 19a, 19b arranged next to one another are provided, for example, which extend through corresponding bores in the holding means 17 and can each be set within one of the two guides 18a, 18b. After loosening the retaining screws 19a, 19b, a height adjustment of the retaining means 17 with the handling means 16 attached to it is possible.

Die Hubvorrichtung H weist ferner eine zweite Masteinheit 1b mit einem Mast 10b, der an einem diesem zugeordneten Mastfuß 11b angebracht ist, sowie eine dritte Masteinheit 1c mit einem Mast 10c, der an einem diesem zugeordneten Mastfuß 11c angebracht ist, auf. Der Mastfuß 11b der zweiten Masteinheit 1b sowie der Mastfuß 11c der dritten Masteinheit 1c sind ebenfalls an dem Querträger 5 des Fahrgestells 2 befestigt.The lifting device H also has a second mast unit 1b with a mast 10b, which is attached to a mast foot 11b associated therewith, and a third mast unit 1c with a mast 10c, which is attached to a mast foot 11c associated therewith. The mast base 11b of the second mast unit 1b and the mast base 11c of the third mast unit 1c are also fastened to the cross member 5 of the chassis 2.

An einer Vorderseite der Masten 10b, 10c der zweiten und dritten Masteinheit 1b, 1c ist jeweils ein Anschlussmittel 12b, 12c zum Anschluss eines hier nicht explizit dargestellten Hebezeugs vorgesehen. Diese Anschlussmittel 12b, 12c sind jeweils in einer vorliegend als Führungsschlitz ausgebildeten Anschlussmittelführung 13b, 13c in Hochrichtung der Masten 10b, 10c verschiebbar geführt, so dass ein Heben und Senken der Anschlussmittel 12b, 12c zusammen mit dem daran angebrachten Hebezeug relativ zu den jeweiligen Masten 10b, 10c möglich ist.On a front side of the masts 10b, 10c of the second and third mast units 1b, 1c, a respective connection means 12b, 12c is provided for connecting a lifting device, not explicitly shown here. These connecting means 12b, 12c are each guided displaceably in a connecting means guide 13b, 13c in the present case as a guide slot in the upward direction of the masts 10b, 10c, so that raising and lowering of the connecting means 12b, 12c together with the lifting gear attached to them relative to the respective masts 10b , 10c is possible.

Das Gehäuse 22, innerhalb dessen die Steuerungseinrichtung zur Steuerung zumindest eines Funktionselements, wie zum Beispiel einer Greifvorrichtung, des Hebezeugs und eine zugehörige Bedieneinheit 23 untergebracht sind, ist an dem Basisabschnitt 161 des Griffbügels 160 des Handhabungsmittels 16 angebracht, insbesondere an diesen angehängt. Daraus ergeben sich die oben bereits erläuterten Vorteile.The housing 22, within which the control device for controlling at least one functional element, such as a gripping device, the hoist and an associated operating unit 23 are housed, is attached to the base section 161 of the handle bar 160 of the handling means 16, in particular attached to it. This results in the advantages already explained above.

An dem Griffbügel 160 sind wiederum zwei Griffteile 20, 21 angebracht, die in der oben beschriebenen Weise ausgeführt sind.Two handle parts 20, 21, which are designed in the manner described above, are in turn attached to the handle bar 160.

Claims (13)

  1. A lifting apparatus (H), comprising:
    - at least one mast unit (1, 1a, 1b, 1c) including a mast (10, 10a) extending in a vertical direction of the lifting apparatus (H),
    - at least one height-adjustable connecting means (12, 12b, 12c) for connecting a lifting device,
    - a handling means (16) including a handle (160) being attached to one side of the mast (10, 10a) and being configured to handle the lifting apparatus (H), as well as
    - at least one functional element being attached to the handling means (16), especially an operating unit (24), a display, a combined operating unit and display, especially being touchsensitive, or a storage element,
    the handling means (16) including at least a first handle part (20) being attached to the handle (160), characterised in that
    the first handle part (20) includes a central handle section (200) at which the user can hold the first handle part (20) and an inner bracket section (202) and an outer bracket section (201) being located laterally next to the handle section (200) of the first handle part (20),
    a receiving space (203) being formed between the handle section (200) and the inner bracket section (202), at least one functional element being capable of being arranged in the receiving space (203) and/or at least one functional element being attached to the outside of the inner bracket section (202).
  2. The lifting apparatus (H) of claim 1, characterised in that the inner bracket section (202) of the handle section (200) is designed to be closed.
  3. The lifting apparatus (H) of claim 1 or 2, characterised in that the outer bracket section (201) of the first handle section (200) is designed to be closed.
  4. The lifting apparatus (H) of at least one of claims 1 to 3, characterised in that the lifting apparatus (H) includes a holding means (17) being attached to the mast (10, 10a) and being fixed to the handle (160) or being designed as one piece with the handle (160), the mast (10, 10a) preferably including at least one guiding unit (18, 18a, 18b) in which the holding means (17) together with the handle (160) is slidably guided in the vertical direction of the lifting apparatus (H).
  5. The lifting apparatus (H) of claim 4, characterised in that the lifting apparatus (H) includes at least one holding element, especially a holding screw (19, 19a, 19b) by which the holding means (17) is detachably fixable in the guiding unit (18, 18a, 18b).
  6. The lifting apparatus (H) of at least one of claims 1 to 5, characterised in that the handle (160) includes a base section (161) extending at both sides transverse to the mast (10, 10a, 10b, 10c).
  7. The lifting apparatus (H) of claim 6, characterised in that the handle (160) includes two side sections (162, 163) extending substantially parallel to one another and perpendicularly away from the base section (161), the handle (160) preferably being arranged such that the two side sections (162, 163) are upwardly inclined, and the first handle part (20) preferably being attached to one of the side sections (162, 163) and extending especially perpendicularly to the respective side section (162, 163) in a downward direction.
  8. The lifting apparatus (H) of at least one of claims 1 to 7, characterised in that the handling means (16) includes a second handle part (21) being attached to the handle (160) and a central handle section (210) at which a user can hold the second handle part (21), an inner bracket section (212) as well as an outer bracket section (211), the bracket sections (211, 212) being located laterally next to the handle section (210) of the second handle part (21) and a receiving space (213) being formed between the handle section (210) and the inner bracket section (212), a functional element being capable of being arranged in the receiving space (213).
  9. The lifting apparatus (H) of claim 8, characterised in that the inner bracket section (212) of the second handle part (21) is designed to be closed.
  10. The lifting apparatus (H) of claim 8 or 9, characterised in that the outer bracket section (211) of the second handle part (21) is designed to be closed.
  11. The lifting apparatus (H) of at least one of claims 8 to 10, characterised in that each one of the two handle parts (20, 21) is attached to one of the side sections (162, 163) of the handle (160), the handle parts (20, 21) especially extending perpendicularly to the respective side section (162, 163) in a downward direction.
  12. The lifting apparatus (H) of at least one of claims 8 to 11, characterised in that at least one functional element (24) is attached to the outside of the inner bracket section (202) of the first handle part (20).
  13. The lifting apparatus (H) of at least one of claims 1 to 12, characterised in that the lifting apparatus (H) includes a first mast unit (1a) including a mast (10a) at which the handling means (16) is attached, a second mast unit (1b) including a mast (10b) at which a first height-adjustable connecting means (12b) for connecting a lifting device is attached, as well as a third mast unit (1c) including a mast (10b) at which a second height-adjustable connecting means (12b) for connecting the first lifting device or a second lifting device is attached.
EP16187891.3A 2015-09-11 2016-09-08 Lifting device Active EP3144264B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015115393.9A DE102015115393A1 (en) 2015-09-11 2015-09-11 lifting device

Publications (2)

Publication Number Publication Date
EP3144264A1 EP3144264A1 (en) 2017-03-22
EP3144264B1 true EP3144264B1 (en) 2021-01-06

Family

ID=56893820

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16187891.3A Active EP3144264B1 (en) 2015-09-11 2016-09-08 Lifting device

Country Status (2)

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EP (1) EP3144264B1 (en)
DE (1) DE102015115393A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113213375A (en) * 2021-06-10 2021-08-06 苏州姑苏食品机械有限公司 Movable promotes feeding device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8403788D0 (en) * 1984-02-14 1984-03-21 James Ind Ltd Invalid hoists
DK68896A (en) * 1996-06-21 1997-12-22 Sahva As Lifting device for handling persons and their use
EP0971631B1 (en) * 1997-03-27 2002-01-02 Cook ( Canada) Inc. Personal apparel support system
SE513361C2 (en) * 1997-09-01 2000-09-04 Pronomic Ab Lifting trolley
WO2002074216A2 (en) * 2001-03-16 2002-09-26 Virginia Tech Intellectual Properties, Inc. Patient lift/transport with power assist
US7634824B2 (en) * 2003-02-03 2009-12-22 Hecare Systems Aps System and user interface for handling a person, and method therefor
WO2009136359A1 (en) * 2008-05-05 2009-11-12 Borringia Industrie Ag A handling system for goods, burdens or disabled persons

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3144264A1 (en) 2017-03-22
DE102015115393A1 (en) 2017-03-16

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