EP3012394A1 - Machine de travail equipee d'une cabine - Google Patents

Machine de travail equipee d'une cabine Download PDF

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Publication number
EP3012394A1
EP3012394A1 EP15191102.1A EP15191102A EP3012394A1 EP 3012394 A1 EP3012394 A1 EP 3012394A1 EP 15191102 A EP15191102 A EP 15191102A EP 3012394 A1 EP3012394 A1 EP 3012394A1
Authority
EP
European Patent Office
Prior art keywords
hinge
door
frame
frame part
work machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15191102.1A
Other languages
German (de)
English (en)
Other versions
EP3012394B1 (fr
Inventor
Robert Kollmann
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.)
Liebherr Werk Bischofshofen GmbH
Original Assignee
Liebherr Werk Bischofshofen 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
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Publication of EP3012394A1 publication Critical patent/EP3012394A1/fr
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Publication of EP3012394B1 publication Critical patent/EP3012394B1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
    • E05F1/1207—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring parallel with the pivot axis
    • E05F1/1223—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring parallel with the pivot axis with a compression or traction spring
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D11/00—Additional features or accessories of hinges
    • E05D11/0054—Covers, e.g. for protection
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D11/00—Additional features or accessories of hinges
    • E05D11/02—Lubricating arrangements
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/02—Closers or openers for wings, not otherwise provided for in this subclass gravity-actuated, e.g. by use of counterweights
    • E05F1/04—Closers or openers for wings, not otherwise provided for in this subclass gravity-actuated, e.g. by use of counterweights for wings which lift during movement, operated by their own weight
    • E05F1/06—Mechanisms in the shape of hinges or pivots, operated by the weight of the wing
    • E05F1/061—Mechanisms in the shape of hinges or pivots, operated by the weight of the wing with cams or helical tracks
    • E05F1/066—Helical grooves, slots, threads or the like
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D11/00—Additional features or accessories of hinges
    • E05D11/0054—Covers, e.g. for protection
    • E05D2011/0072—Covers, e.g. for protection for the gap between hinge parts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/518—Application of doors, windows, wings or fittings thereof for vehicles for working vehicles

Definitions

  • the present invention relates to a work machine, in particular a wheel loader, having at least one cabin having a car door which is pivotally mounted on the car frame by means of a hinge arrangement, wherein the hinge assembly comprises a frame part which is arranged on the car frame and a rotatable relative to the frame part Door part, which is arranged on the car door has.
  • machines are, for example, excavators with a top and undercarriage and, for example, wheel loader, known with a front and rear, with these machines usually a sprung on the lower, upper or front or rear cab is mounted.
  • the cabin is usually made in a rounded, cuboid shape, a combination of tubular frame structures and surface elements, especially metal sheets, in an intelligent composite combination, on the one hand the driver safety in case of danger according to the requirements under the ROPS (Roll-Over Protection Structure ) Test and on the other hand provides a maximized field of vision for detection of the machine environment by means of transparent disc materials.
  • ROPS Roll-Over Protection Structure
  • a ventilation or air conditioning system in the interior of the cabin, which provides the machine operator with comfortable temperatures, air humidity and fresh and / or recirculated air in the cabin cleaned by filters.
  • a permanent overpressure in the cabin protects the driver from unfavorable environmental influences or from the ingress of dust, etc.
  • the seal (s) in particular a bellows seal only subjected to pressure, not to shear, whereby the stress of the seal is reduced accordingly.
  • a climbing platform is usually provided, which ensures that the respective car door can be safely opened and closed, i. that the respective person can safely position himself outside the opening area of the car door and ensures the operator to be able to comfortably enter and exit the cabin.
  • the car door is either rotatable, slidable or hinged.
  • the weight of the door is introduced indirectly via, for example, hinges in the cabins, beams, plates and / or pillar structure.
  • the door can be made movable inside or outside the cabin. The movement can be accomplished via rails / guides and / or rollers or via hinges and combinations thereof.
  • Cab doors for hinged machines are moved only in horizontal or vertical direction.
  • tractor area door systems which have an inclined plane of rotation, due to the shape of the cabin frame.
  • an inclination of the door pivot axis is effected in combination with the hinge linkage.
  • the orthogonal mounted hinge causes by the oblique door rotation axis, for example, in the opening process upwardly inclined opening behavior in partial areas of the door width, but without the hinge itself performs a vertical stroke.
  • the FR 370 331 A relates to a door hinge mechanism which causes on the outside thereof by means of a groove a lifting movement. In the case of closing the door is caused by the potential energy and the corresponding Nutenausformung closing the door.
  • the disadvantages of this arrangement are that the respective grooves exposed to weathering high corrosion and icing and the entire door weight must be raised without spring support. By executing two identical hinges in one axis, it can happen Tensions come, leading in the worst case to a destruction of Nutenausformung / the sliding bolt through the large door lever.
  • the DE 21 30 291 A relates to a Matscharnierausformung for carrying out a Trhubdoch for a building interior, wherein the lifting movement is carried out via a sliding surface, which is exposed due to the geometry of a point load and therefore can wear out heavily.
  • Another disadvantage is the possibility of water entry from the outside into the hinge.
  • the US 2009/0241289 A1 shows a hinge mechanism for building doors with automatic door feedback, without causing a defined increase in the lower door edge. It is activated in the interior of the hinge, a lifting mechanism, which does not have the task of causing a vertical movement of the lower door edge, but to accomplish a defined opening or closing behavior of the door, taking into account the torsion spring forces.
  • the present invention has the object of developing a work machine to the effect that the hinge arrangement, by means of which the car door is articulated, a comfortable entry and exit and overcoming obstacles, such as a fender, allows without structural changes to the machine required are.
  • a bolt and in the other of the parts is provided a receptacle for the bolt, wherein the receptacle is at least partially formed such that a movement of the door part to the frame part with a vertical movement of the door part is connected relative to the frame part and wherein the receptacle Has different pitches and / or wherein the door part or the frame part is made of several parts and having a first part which is formed with the bolt or with the receptacle and having a second part which is rotatable relative to the first part.
  • receptacle includes any receptacle in which a bolt can be slidably received within the meaning of the invention. It may be, for example, a groove with or without groove bottom.
  • the hinge assembly according to the invention thus allows a targeted increase in the car door when opening, wherein due to the different pitches and / or the multi-part design of the frame part or the door part, a variable change of the door lift is achieved with the rotation angle of the door, i. that not every change in the opening angle of the door brings about the same stroke of the door.
  • frame part is to be understood as the part of the hinge arrangement which is directly or indirectly connected to the car frame.
  • door part is to be understood as the part of the hinge arrangement which is directly or indirectly connected to the car door.
  • Car frame means any part of the cabin other than the door, such as spars, frame members, columns, columns, etc. The term is thus not limited to a frame in the strict sense.
  • variable bridging obstacles in the door opening area is possible.
  • the variable opening characteristic is selectable.
  • the door (s) in the open final state, as well as in the closed state do not protrude beyond the vehicle width, so do not have work machine and thus do not constitute a risk of injury to persons outside and damage to or adjacent objects, such as vehicles as well as buildings.
  • the seals are loaded by opening and closing the door (s) substantially only under pressure and not shear, resulting in a higher Life of the seal leads as well as to less energy consumption of the blower or the air conditioning system implemented in the cabin and the noise caused by the "whistling of the seals".
  • the hinge assembly can be used as a retrofit or conversion kit.
  • this invention is preferably applicable to all types of construction machinery, such as wheel loaders, excavators, dump trucks, graders, rollers, stackers, shovels, and tractors, and is not limited to these embodiments.
  • the opening mechanism causes a variable vertical displacement of the entire door in the vertical direction, due to the hinge assembly.
  • fenders in the pivoting area in contrast to a only horizontal openable door can be bridged and thereby the survival of the door on the machine width at full opening of the door can be prevented.
  • the hinge arrangement preferably makes it possible to obtain any vertical offset in the opening or closing case and also to represent each opening characteristic, for example a variable opening profile. The only limiting factor is the maximum possible height offset.
  • the hinge inner part and / or the hinge outer part may be the frame part and / or the door part of the hinge arrangement.
  • the door part surrounds the frame part of the hinge arrangement and / or that the frame part and the door part of the hinge arrangement are formed as a cylindrical body or hollow body.
  • the frame part and the door part is designed such that the movement of the car door at the beginning of the opening process consists only or substantially only of a horizontal component and / or that there is a seal between the car door and the door opening of the car.
  • the frame part and the door part are formed such that the movement of the car door starting from the closed car door from a movement with no or with a first vertical component, then followed by a movement with a second vertical component and thereafter consists of a movement with no or with a third vertical component, wherein the second vertical component per rotation angle of the car door is greater than the first and the third vertical component. It is possible to achieve such a kinematics by an appropriate choice of the components of the hinge assembly and possibly to change as needed.
  • a carrying and fastening element which carries the weight of the car door in its fully open state completely or partially.
  • a support member in particular at least one angle profile is arranged, which carries the frame part of the hinge assembly. It is conceivable that the frame part of the hinge assembly is fixed or non-positively connected to the holder sub-element and preferably with a arranged on the support member centering.
  • the bolt may protrude radially inwardly or outwardly from the hinge part or from the door part of the hinge assembly.
  • the hinge arrangement has a preferably formed as a hollow body hinge intermediate part.
  • This may comprise the receptacle, wherein the receptacle passes through the wall of the hinge intermediate part or is arranged only on its inside, wherein it is preferably provided that the receptacle extends into an end region of the hinge intermediate part and extend there preferably in the longitudinal direction of the intermediate hinge part.
  • the hinge intermediate part surrounds the hinge inner part.
  • the hinge assembly is preferably formed that this eg lower mounting / maintenance aisle area, which is the vertical, i. includes longitudinally extending receptacle, is not passed through in the opening and closing operation of the door.
  • a gap which is filled with a lubricant medium
  • the hinge part and / or the frame part of the hinge assembly comprises a Abtreifer which is arranged such that it prevents leakage of lubricating medium from the gap.
  • the working machine between the door part and the frame part or between the several parts of the door part or the frame part has at least one bearing element, which has the task to oppose the opening movement of the car door resistance and / or correct alignment between the door part and Ensure frame part or between the several parts of the door part and the frame part.
  • the vertical movement of the car door caused by the hinge assembly from its closed position to the fully open position may be greater than the diameter (outer or inner diameter) of the frame member and / or the door member.
  • the relative vertical movement of the door part to the frame part is designed such that the ratio of diameter (D1) of the frame part to lifting height H is 0.255 with a fluctuation range +/- 10%, in particular fluctuation width of +/- 20%.
  • a plurality of hinge assemblies are attached to the door, in particular in the upper and lower region or in two spaced-apart areas, wherein the hinge assembly in the lower or upper region as Drehhebescharnier according to the invention and the further hinge assembly slidably and without the Lifting function according to the invention is executed.
  • the further hinge arrangement is preferably constructed so that it comprises a mounted on the car support member, in particular at least one angle profile, which carries the frame part of the hinge assembly, wherein the frame part of the hinge assembly firmly or non-positively with the holder sub-element and preferably with a on the support member arranged centering piece is connected and in a region of overlap between the centering piece and the hinge inner part fixed or non-positively connected to the hinge inner part, wherein the door part slides in vertical movement relative to the hinge outer part.
  • the door is attached to the hinge outer part via a support member.
  • a holding device may be provided, which is designed such that it fixes the car door in a fully open position, wherein it is preferably provided that the holding device can be actuated by a user located in the cabin.
  • the hinge arrangement has a lifting element, in particular a spring, which exerts a force acting in the vertical direction of movement of the car door on the car door itself and / or on a part of the hinge arrangement connected thereto in order to support the lifting movement of the car door.
  • a lifting element in particular a spring, which exerts a force acting in the vertical direction of movement of the car door on the car door itself and / or on a part of the hinge arrangement connected thereto in order to support the lifting movement of the car door.
  • the frame part and / or the door part of the hinge arrangement can be designed in several parts and it can be provided at least one limiting means which limits the relative movement of the plurality of parts to each other. It is conceivable that the limiting means are formed by a pin and a groove, wherein the pin runs in the groove and wherein the stop is formed by the Nutende. Overall, thus, a lock for the door can be realized.
  • the hinge formation comprises an angle to the cabin frame out, a rotary part or centering as an applied guide, usually connected to the angle, a fixed firmly to the angle hinge inner part, which abuts the rotary member or centering, upwards projecting, and with at least one radially spaced bolt which is fixedly secured in the hinge inner part and a located in close proximity hinge outer part, with an incorporated gear, at least partially engages in the radially spaced bolts of the inner part and causes a guide of the hinge inner part and hinge outer part.
  • the centering piece and the hinge inner part can overlap with each other and additionally secured in this overlapping area by a horizontal bore and the use of a locking pin relative to each other.
  • centering piece and the hinge inner part are integrally formed or are fixed or detachable and preferably non-positively connected with each other.
  • a wiper seal is provided at the lower end of the hinge outer part in the direction of the hinge inner part.
  • a lifting element such as a spring, in particular a gas spring, which facilitates the lifting movement of the door.
  • the spring can be mounted so that it can accommodate a rotational movement without torsion.
  • the door is attached, for example, to the hinge outer part and receives the lifting and rotating movement.
  • the respective opening characteristic can be determined by a horizontal movement means, for example in the first section of the door opening.
  • the horizontal movement means may be the two (or more) parts of the frame part or the door part of the hinge arrangement. These are preferably arranged over a certain angle of rotation to each other so that there is no lifting movement of a hinge element and thus the door.
  • the opening characteristic by a screw, etc. for example, by a lifting spindle of conventional design, provide more or exclusively for the lifting movement of the door.
  • the present invention further relates to a method having the features of claim 14.
  • connection of the support member with the centering piece and / or the connection of the hinge inner part with the centering can be done by adhesion. It is also conceivable that the centering piece is integrally connected to the support element and / or with the hinge inner part.
  • the present invention comprises hinge arrangements with at least one frame part and with at least one door part which is movable relative thereto, wherein the door part and / or the frame part can be designed in one or more parts.
  • at least one intermediate hinge part may be provided which forms a part of the door part or of the frame part.
  • the projection (s) and / or the at least one receptacle may be arranged in each of the aforementioned parts.
  • FIG. 1 shows a wheel loader 1 with the rise 6, the sopodest 10, the side passage 9, the bridging element or fender 3 and the cabin 2 according to the invention with the car pillar 11, the height element (ie the hinge assembly) 8 and the car door 7.
  • the reference numeral and 5 indicate front and rear wheels of the wheel loader 1.
  • FIG. 2 shows a view of the cabin 20, 40 with inventive door assembly with the door closed 21 and FIG. 3 with the door open 31.
  • the car door 21, 42 with disc 41 is reached via the rise 29, 44, and opened by the door opening mechanism or door handle 22, 50. When the door is pivoted, it is then possible to enter the cabin via the access platform 33.
  • the car door 21, 42 is transparent in the upper area.
  • the door is on the struts 23, 46 also known as A-pillar and the strut 25 known as B-pillar and limited in the bottom and top by the cabin frame 58.
  • the car door is indirectly connected via at least one height element 30, 31 rotatably connected to the cabin frame.
  • the reference numeral 28, 43 denotes a bridging element, in particular a wheel well.
  • This height element consists at least of an angle part 27 on the cabin frame, a hinge inner part 26, 53 and a hinge outer part 24, 52 and a support member 32, 54 which is connected to the door.
  • the hinge inner part 26, 53 is connected to the car, i. designed as a cabin part according to the invention, and the hinge outer part 24, 52 connected via 51 to the door, i. designed as a door part according to the invention.
  • the reverse arrangement is conceivable and encompassed by the invention.
  • FIG. 3 is a view of the cabin with inventive door assembly is shown with the door fully open.
  • the height element ie the hinge assembly in the fully extended state apparent with a pitch of HX.
  • the lock mechanism which is attached to the door, consists of a lock 56 with a Schlosseinrastung 49, a locking catch or bolt 45 and an actuating lever 50 which can be operated with the door closed from the cabin interior, with the door closed a latching of the lock into the bar.
  • a fastener 59 can be seen, which causes a relief of the door weight.
  • This fastener 59 consists of a mounted on the door fastener which is fixedly connected to the door and a fastener which is fixedly connected to the cabin frame. Due to the shape of the respective fastening elements in the last section of the door opening by shaping the contact surfaces, for example, as an inclined plane, the height element relieved and essentially removed the door weight.
  • the arrangement of the fastening element 59 can be located, for example, in the side region of the cabin frame, but it is also possible to install a fastening element 59 in all cabin frame regions. But this can also be realized in the form of consoles, starting from the cabin frame, in which the door weight is removed via suitable support structures, for example in the middle of the door width on the cabin frame.
  • this fastener 59 can not be mounted on the bridging member 43 as the car moves relative to the bridging member 43 through the cab suspension.
  • a further latching element (not shown) is additionally provided, which holds the door (width B) in the fully open position - shown in a similar design as lock and bolt, in this case hidden from the door attached to the B-pillar.
  • the reference numeral 57 denotes the seal pressing portion of the door seal 42
  • the reference numeral 48 indicates the critical height HY which the door must at least overcome
  • the reference numeral 47 the climbing platform
  • the reference numeral 55 the side passage to the engine room.
  • FIG. 4 an embodiment of a height element according to the invention or a hinge arrangement according to the invention is shown in longitudinal section.
  • the respective height element 70 represents the connection between the door and the cabin frame (connection 71).
  • An angle part 72 is attached from the cabin frame. which is designed in L-shape and is connected in the case in question via a fastening element 73 with the car frame. It is expressly understood that connection options, such as welding, riveting and gluing are included.
  • a centering element 76 is then connected to the top in a horizontal configuration thereupon.
  • This centering element 76 has the task to be aligned with the other components such as hinge inner part 75 (D1: outer diameter, D2: inner diameter).
  • This centering part as shown in this case, can be mounted inside the hinge inner part or else conceivably outside the hinge inner part and can also be made as a part with the angle part.
  • the adjacent hinge inner part is for example a tube-like hinge inner part with a defined outer diameter D1. This hinge inner part is positively connected to the angle part.
  • the reference numeral 74 denotes an end stop of the door.
  • FIG. 4 shows another sectional plane is shown in the upper part of the hinge inner part.
  • bolts 83 are incorporated into the respective hinge inner part for the purpose of receiving a vertical lifting movement, screwed in by way of example and braced with an enlarged region on the head side of the bolt, laterally on the hinge inner part on the outside thereof.
  • Exemplary here two bolts are shown in the upper area, which are spaced in the radial direction of the hinge inner part and are firmly connected to the hinge inner part.
  • the bolts 83 are embedded in the respective intermediate part 80 (inner diameter D2) and guided on the hinge intermediate part 80 and of a round shape.
  • a non-ferrous metal for example brass
  • the stud shape is not limited to the shape shown and can be flattened, rounded, chamfered as a cuboid, cylinder or in any desired form, for example, and consist of several bolts that are listed as a chain exist.
  • the intermediate hinge part is exemplified in a tubular shape with a gap 88 adjacent to the inner hinge part.
  • the intermediate hinge part thus serves in this embodiment as a frame part or door part of the hinge assembly.
  • the courses or guides and their course are exemplified with the arrangement of the gears 92 (dashed lines) shown, for example, with two bolts in two gear curves, with the stroke on the Figures 5 and 6 is referenced and noted that in the relevant FIG. 4 the spatial curvature and radii of the courses in the intermediate hinge part were not considered.
  • the course of the course is described by way of example for a hinge rotation angle of 180 °.
  • the defined spacing between the hinge inner part and the hinge outer part can be performed via a bearing element 82 to effect a defined spacing of the two parts.
  • the bearing element may for example be designed as a plastic bush, which are applied non-positively in a groove without further action on the hinge inner part, but it may also include any type of storage and metallic expression, the example of the outside of the hinge inner part can be applied.
  • a continuous lubricating film is produced by the relative movement of the seal 78 which is incorporated in the lower region of the intermediate hinge part 80, which with the Hinge intermediate part, for example glued, vulcanized or connected to another common type.
  • the supply of lubricant is either performed once with delivery or performed by non-illustrated lubrication points, such as grease nipple.
  • hinge outer parts 81 and 85 Radially adjacent are the hinge outer parts 81 and 85, which are connected to each other and form a so-called hat, and are connected by way of example to the hinge intermediate part via the hinge outer part attachment.
  • the advantage of this Hutausformung is that the leadership of the hinge intermediate part is protected from environmental influences and thus corrosion and abrasion of the guide and bolt can be largely avoided.
  • connection of intermediate hinge part with the hinge outer parts is shown by way of example but may include any type of connection in any position. It is important that the hinge intermediate part and hinge outer parts are connected to one another in a force-locking manner, since the retaining element, which has to remove the weight of the door securely over relevant parts.
  • a spring element 77 which facilitates the lifting movement of the height element and should absorb a large part of the door weight.
  • This spring element is positioned in the intermediate space 89 and, depending on the configuration, is positioned between the angle element or centering part and the hinge outer part 85, depending on the spring stiffness and spring dimensions Only a portion of the relevant height can be used, for example via a centering part with adjusted height. Furthermore, in the course of the lifting and lowering operation, the gap 90 will increase or decrease.
  • the spring is in the region of the inner diameter D3 of the hinge inner part 75 in the space 89 on the side walls, in the range indicated above, a Federzentrierelement 87 is required, which is connected to the hinge outer part 85 which protrudes at least in the hinge gap and in the case of a stroke to Maximum height HX ensures that the spring element in the upper area undergoes no buckling and can support the opening and damping of the closing movement. Where HX is the maximum height, the door lift is equal to the hinge stroke.
  • the length of the Federzentrierelements is shown here by way of example and can protrude into the intermediate space 89 and have a chamfer in the lower area to the outside.
  • the spring can be constructed so that rotational movements can be recorded or as a separate component by axial or radial bearings, the relative movements between inner hinge part, - Eisenenteil- and / or - outer part can be added.
  • a compression spring in particular gas spring and / or a spring steel spring, a Federzentrierelement omitted or a centering be incorporated into the hinge outer part.
  • the centering in the hinge outer part can be circular or circular.
  • the hinge inner part attachment and the outer part attachment are identified by reference numerals 84 and 86.
  • the hinge inner part as a worm, ie to carry out the respective tubular hinge inner part with incorporated guide channels.
  • the hinge intermediate part can be omitted and in the hinge outer part are inserted radially inwardly bolts. It is thus different from the FIG. 4 the guide in the hinge inner part and the bolts attached in the hinge outer part. Disadvantage of this arrangement is that in the extended state below the hinge outer part by environmental influences, the respective incorporated gears by contamination early wear of the guides and the bolt can be effected.
  • the height difference can be added to the hinge outer part with the angle part by a telescopic arrangement of sliding rings and the exposed hinge inner part are protected by concern or attach to the angle part.
  • this protective device of the hinge inner part can also be designed as a sleeve, similar to shock absorbers, with the disadvantage that hinge inner part and hinge outer part perform relative movements in the radial and vertical direction and it must be carried out a balance that must be in the form of balancing rings and Ausf Schemeen , It can also be optionally attached attacks that prevent over-rotation of the height element, for example, the end stop of the closed door, so as not to excessively burden bolt and guide and lock and bolt.
  • FIG. 5 shows one of the FIG. 4 deviating second hinge arrangement, which is arranged in the upper area between the cabin and door (in FIG. 3 , not shown). Identical or functionally identical parts are identified by the same reference numerals as in FIG FIG. 4 ,
  • the hinge arrangement according to FIG. 5 is different from the one in FIG. 4 illustrated arrangement inasmuch as that, this hinge assembly 70 can not perform active strokes, but only supportive stabilized the door movement.
  • the stabilization of the rotary and lifting movement takes place by sliding the inner hinge part 75 or the bearing element 82. It thus eliminates consuming recordings with gears or bolts for the guide along the hinge inner part 75.
  • the construction is possible, in appropriate applications, on the in FIG.
  • FIG. 6 describes a stroke characteristic of the embodiment according to FIG. 4 , wherein the lifting height H and the opening angle W are plotted.
  • the completely closed cabin door is regarded as start 104.
  • 100 almost no stroke is performed but a horizontal movement is performed. This causes the cabin seal ( Fig. 2 , Pos. 42) in the opening is only subjected to pressure.
  • 101 the significant lifting movement of the height element takes place.
  • a third section V3, 103 is similar to the first section, mainly horizontally, referred to the fully open door as the end 105.
  • FIG. 6a shows an embodiment of a hinge intermediate part 80 with a receptacle 92, wherein the hinge intermediate part 80 is designed as a hollow profile.
  • Bolt ( Fig. 4 , Pos. 83) are guided in the respective aisles 92, with the respective gait sections, in this case a first almost horizontal, a second common vertical and a third almost horizontal section. Where several courses can run parallel in parallel over the circumference.
  • a connection of the hinge intermediate part 80 with the hinge outer part ( Fig. 5 , Pos. 85) is performed through respective holes and connecting means 86.
  • At the bottom of the intermediate hinge part 80 is on the inside a seal 78, which is mentioned as a scraper above.
  • the receptacle of the intermediate hinge part is formed as a breakthrough through the wall, i.
  • the recording has no groove bottom.
  • FIG. 6b shows a further embodiment of a hinge intermediate part 80 as a hollow profile with a receptacle, wherein different from the FIG. 6a the respective aisles or recordings were continued downwards to ensure installation-friendly insertion during assembly and revision.
  • the receptacle 92 extends only on the inside of the wall of the hinge intermediate part, i. is not running through the wall.
  • the hinge intermediate part 80 is simply screwed into the hinge inner part 75.
  • the passages of the intermediate hinge part 80 have been optimized to a shot 92 of balls.
  • Deviating from the use of bolts for guiding balls are entered as a counter-engagement in the hinge inner part 75.
  • at least grooves must be created, which are located approximately in the region of the above-mentioned bolts.
  • these grooves have a height of half the ball diameter and are in particular so joined in the hinge inner part that a force and / or positive engagement is obtained.
  • the radially outwardly projecting ball halves form the sliding surface to the intermediate hinge part 80 out, if necessary, lubricated and can be easily screwed into the hinge inner part 75.
  • assembly or disassembly thus initially takes place a linear insertion movement of the hinge inner part in the intermediate hinge part and then a rotational movement corresponding to the execution of the recordings 92nd
  • the bolts or the like are screwed after fitting the hinge intermediate part on the hinge inner part in the latter or attached in any other way.
  • this subsequent attachment of the projections is not necessary. Rather, these can be arranged from the outset on the inner hinge part and the hinge outer or intermediate part is placed. A subsequent screwing or the like of the projections is not required in this case.
  • FIG. 6c is a cross-section of the respective end of the hinge intermediate part 80, wherein in the Gangveinrungen 98, the balls of the hinge inner part are introduced.
  • FIG. 7 shows a representation according to FIG. 6 only for a further embodiment with standardized components, the tendency for recirculation is here carried out by spring elements, since carrying out a slight slope H1 and H3 is costly.
  • the start and end points are indicated by 104 and 105.
  • the reference numerals 100, 101 and 103 designated areas with 110, 111 and 113th

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Component Parts Of Construction Machinery (AREA)
EP15191102.1A 2014-10-23 2015-10-22 Machine de travail equipee d'une cabine Active EP3012394B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014015711.3A DE102014015711A1 (de) 2014-10-23 2014-10-23 Arbeitsmaschine mit Kabine

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EP3012394A1 true EP3012394A1 (fr) 2016-04-27
EP3012394B1 EP3012394B1 (fr) 2020-01-22

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016004247A1 (de) 2016-04-08 2017-10-12 Liebherr-Werk Bischofshofen Gmbh Arbeitsmaschine mit Kabine

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR370331A (fr) 1906-10-09 1907-02-04 Victor Lecomte Dispositif de charnière ou gond
DE2130291A1 (de) 1970-07-06 1972-01-13 Walter Pfaeffli Tuerscharnier
US4228562A (en) * 1978-09-25 1980-10-21 Hsu Yun T Bilateral swingable self-closing door hinge
US20090241289A1 (en) 2006-08-08 2009-10-01 Soon Woo Choi Hinge apparatus having automatic return function for use in building materials
DE202010001053U1 (de) * 2009-03-10 2010-04-15 Schulte Duschkabinenbau Gmbh & Co. Kg Scharnier und Duschabtrennung
US20130180177A1 (en) * 2012-01-13 2013-07-18 Chrysler Group Llc Removable door with hinge detent
WO2013165037A1 (fr) * 2012-05-03 2013-11-07 볼보 컨스트럭션 이큅먼트 에이비 Appareil d'ouverture/fermeture semi-automatique d'une porte d'engin de chantier

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH296605A (de) * 1951-05-11 1954-02-28 Lana Ettore Tür-Fischbandpaar.
DE102005018258A1 (de) * 2005-04-20 2006-10-26 Linde Ag Arbeitsmaschine mit einer Kabinentür und bombierten Scharnierbolzen

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR370331A (fr) 1906-10-09 1907-02-04 Victor Lecomte Dispositif de charnière ou gond
DE2130291A1 (de) 1970-07-06 1972-01-13 Walter Pfaeffli Tuerscharnier
US4228562A (en) * 1978-09-25 1980-10-21 Hsu Yun T Bilateral swingable self-closing door hinge
US20090241289A1 (en) 2006-08-08 2009-10-01 Soon Woo Choi Hinge apparatus having automatic return function for use in building materials
DE202010001053U1 (de) * 2009-03-10 2010-04-15 Schulte Duschkabinenbau Gmbh & Co. Kg Scharnier und Duschabtrennung
US20130180177A1 (en) * 2012-01-13 2013-07-18 Chrysler Group Llc Removable door with hinge detent
WO2013165037A1 (fr) * 2012-05-03 2013-11-07 볼보 컨스트럭션 이큅먼트 에이비 Appareil d'ouverture/fermeture semi-automatique d'une porte d'engin de chantier

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EP3012394B1 (fr) 2020-01-22

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