EP1266861A1 - Teleskopkran mit Superlifteinrichtung - Google Patents
Teleskopkran mit Superlifteinrichtung Download PDFInfo
- Publication number
- EP1266861A1 EP1266861A1 EP02090212A EP02090212A EP1266861A1 EP 1266861 A1 EP1266861 A1 EP 1266861A1 EP 02090212 A EP02090212 A EP 02090212A EP 02090212 A EP02090212 A EP 02090212A EP 1266861 A1 EP1266861 A1 EP 1266861A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- guy
- guying
- crane according
- telescopic crane
- telescopic
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/16—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes for action on ropes or cables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/82—Luffing gear
- B66C23/821—Bracing equipment for booms
- B66C23/826—Bracing equipment acting at an inclined angle to vertical and horizontal directions
- B66C23/828—Bracing equipment acting at an inclined angle to vertical and horizontal directions where the angle is adjustable
Definitions
- the invention relates to a telescopic crane, in particular a mobile crane, the one equipped with a superlift boom according to the preamble of Claim 1 has.
- a generic telescopic crane which is designed as a mobile crane known for example from DE 198 02 187 A1.
- This mobile crane has one Boom with a basic box and several telescopic ones Telescopic shots on. It is designed with a super lift device Bracing provided, the bracing over the top of one on the back of the base box erected guy stands. The guy is there doing this from two partial stays.
- a lower guying from the top of the Guy frames extend into the area of the lower end of the basic box a fixed length. The lower guying can therefore, for example be formed into a linkage.
- the second partial guying (upper guying) is off a flexible (i.e.
- variable Length formed, for example from a rope or a chain, and leads from one Attachment point in the upper part of the boom to the tip of the guy stand.
- This tensioning device is here as a winch formed, which is arranged in the lower part of the guy stand.
- the rope of the upper guying is done via a pulley at the top of the Guy frames led to the winch.
- the upper guying is made to length over the winch set at which the guying the desired amount of relieving tensile forces reached.
- the rope drum is activated by a braking device blocked so that the desired voltage is maintained.
- the tension forces of the guying also act on the cable winch. There the cable winch has to absorb the full load of the guying, it has one heavy and voluminous design.
- the winch winds the guy rope in the usual way in a variety of ways next to each other arranged turns helically also several turns layers are generated one above the other.
- the dimensions of a Cable winches are usually such that their width (in the direction of the axis of rotation seen) is in the order of magnitude of their outer diameter. If the winch is blocked in a position in which the rope has a position in the radial external windings, that is, farthest from the guy stand has forces that are clearly outside the central axis of the Guy frames run and cause considerable bending loads in the guy frame to lead.
- the rope in the blocking position Location in the vicinity of one of the two rope layers on the side of the rope drum limiting flanges of the rope drum. That requires one correspondingly massive and heavy design of the guy stand.
- the guy stand of a super lift device is usually designed so that it closes Transport purposes with the cable winch to the basic box of the telescopic boom can be folded. It often happens that the length of the telescopic shots of the telescopic boom is insufficient for the respective application. Therefore often boom extensions in the form of an auxiliary boom in lattice mast construction (Lattice tip) used. Such a lattice tip is at the head of the innermost Telescopic shot attached. Between the lattice jib and the telescopic boom can be used swivel joints that allow the Lattice tip on the outside when the telescopic boom is retracted Fold out the basic box of the boom. But this is because of the winch occupied space without dismantling the guy stand Super lift equipment often not possible.
- the object of the present invention is to provide a telescopic crane with the features of the preamble of claim 1 to the extent that the forces acting on the guy stand of the superlift device are as low as possible Bending and torsional loads and the required space for the The guy stand is as small as possible when tipped onto the basic box, see above that in particular an auxiliary boom folded onto the basic box finds enough space.
- the Clamping device of the superlift device a storage device for the flexible Traction means of the upper guying and one of them functionally and physically separated trained holding device for the traction means.
- the holding device is such operable that the storage device in the operating state with the tensile forces the guying is applied.
- the storage device is no longer subjected to large loads must be designed by the tensile forces of the guy and therefore accordingly can be designed easily and space-saving.
- the holding device can advantageously be attached to the tip of the guy stand be, conveniently in the same place where the lower guy with the guy stand is connected. This enables an exact introduction of force, which avoids the occurrence of bending stresses in the guy stand.
- the guy stand is only acted upon by compressive forces. Because of that he needs Clamping stand is no longer so robust and voluminous and therefore difficult to build be as before.
- the traction means of the upper guying is expediently designed as a rope. In principle, it would also be possible to use a chain for bracing. Significant advantages arise when the rope of guying consists of several parallel strands exist, which are a band-like, so in Form cross section flat unit.
- motor-driven rope drum preferably on the guy stand is arranged.
- the rope drum could also be moved to another location if for example, be attached directly to the basic box of the boom.
- the cable drum is preferably in the form of a very narrow body, ie with a very short one axial length (width B).
- width B a very short one axial length
- the cable drum has one Outside diameter of at least five times, especially at least ten times is as large as the width B. It can have an almost disc-like shape on the outside receive. This is particularly possible if the rope is the upper guying not helical, but only spiral on the rope drum is wound up. The individual turns are therefore exclusively one above the other and not next to each other, as is the case with a conventional winch would.
- the guy rope consists of several parallel strands, these lie Strands of course side by side. With a three-strand rope version but there are only three strands next to each other in each winding layer. To this An extremely narrow version of the rope drum is made possible. There because of the physically separate holding function, they are not subjected to great stress must be exposed, not only the drum structure, but also the Drive comparatively lightweight and space-saving. to It is namely the generation of the required pretensioning force in the super lift device easily possible, the required length of the upper guying first by means of the holding device if the telescopic boom is not yet on the the desired extension length is extended, and only then the boom extend the desired length. This will cause the preload Drive system applied to extend the telescopic sections.
- a cable drum instead of a cable drum, other storage devices can also be used, for example those with - similar to the pulley principle - loop-shaped arranged traction means, the length of the loops being adjustable as required.
- the holding device is in a non-positive connection with the Traction means of the super lift device designed. It is particularly recommended that To design holding device as a clamping device. This can be done with, for example Clamps work that are designed as eccentrics.
- the clamping device is provided with a housing which on the Slanted sliding surfaces on the inside and several corresponding wedges owns the under the influence of the tensile forces of the traction means to be held this traction means can be brought into a clamping position. It is advantageous to have one separate device for releasing the clamping wedges from the clamping position provided. This device for releasing can, for example, be electromotive, be operated electromagnetically, hydraulically or pneumatically.
- the boom is one consisting of two separate bracing beams
- Anchoring frame has two separate strands of an anchoring over the tips are performed, as is known from DE 100 22 658 A1.
- the two Anchoring beams can have an angle of 180 ° with their longitudinal axes enclose, ie coaxially aligned and protruding laterally from the boom be aligned so that lateral stabilization is achieved.
- the two guy beams can also be used at an angle to each other (angle less than 180 °).
- the angle between 0 ° is advantageous and 180 ° freely adjustable to meet the respective needs.
- the holding device consists of several units, so that a separate unit of the holding device is assigned to each strand of the guying is.
- the telescopic crane shown in Fig. 1 is designed as a mobile crane, the one with a six-axle undercarriage equipped 1 and one around a vertical axis rotatably mounted superstructure 2 is equipped.
- the Superstructure 2 carries a boom 3 and which can be rocked about a horizontal axis of rotation a counterweight consisting of a multitude of elements.
- the boom 3 has at its lower end a basic box 4, from which the guided one into the other Telescopic sections 5, 6, 7, 8 by means of a telescopic device, not shown are extendable.
- To change the inclination of the boom 3 is a hydraulic Rocker cylinder 27 provided on the one hand on the superstructure 2 and on the other hand on Basic box 4 is articulated.
- a hoist rope 9 leads from a winch on the Superstructure 2 to a raised at the upper end of the boom 3 Hook block 10 to which a load can be attached.
- the boom 3 is particularly stressed on bending and kinking.
- a guy 11 Superlift device provided, consisting of a lower guy 12 and a upper guy 13 and on one on the back of the base box 4th led approximately approximately perpendicular to the central axis of the boom 3 bracket 14 is.
- the lower guying 12 is on the one hand in the area of the lower end of the Basic box 4 and on the other hand in the area of the tip of the guy bracket 14 attached.
- the lower attachment point of the guy 12 can of course if necessary also z.
- the lower guying 12 has a fixed length and can therefore be designed as a linkage, for example. Of course it is also possible to form the lower guying as a rope or as a chain.
- the upper guy 13 has a variable length so that it is different Extension lengths of the telescopic boom 3 can be adjusted.
- the upper Guy 13 is in the upper part of the telescopic boom, preferably at the head of the innermost telescopic section 8 attached and is over the top of the guy bracket 14 out. Details of this result from the schematic representation of the Figure 2 corresponding to the detail X in Figure 1.
- a cable drum 15 which can be driven by a motor, only serves as Rope storage, so it does not take the tension in the guy in operation Tensile forces. The latter is ensured by the holding device 16, to which further is discussed in more detail below.
- This rope drum 15 is different from usual rope drums, which have a significantly larger width in relation to the diameter, i.e. have axial length, extremely narrow, as from the axial longitudinal section of such a cable drum can be seen in FIG.
- the width is marked there with B.
- This sectional view also shows that the rope the upper guy 13 is formed from three parallel strands, so that this rope is basically like a tape with the thickness of the rope diameter of a strand and three times the width of the rope diameter.
- Between Side walls 25a, 25b of the rope drum 15 become the three strands of the rope 13 spirally wound on a cylindrical angle core 26, so that the individual Windings are only one above the other and not like a conventional one Rope drum are arranged side by side (helical).
- the rope diameter can be divided into three parallel strands compared to the version with a simple rope can be significantly reduced. This has the advantage, among other things, that when the rope is redirected smaller bending radii are possible. Overall, this leads to an extraordinary compact and space-saving design of the rope drum 15, since the drive and the Locking device of the cable drum must not be designed for large loads have to.
- FIG 3 shows a schematic representation of the holding device 16 in one axial longitudinal section.
- the holding device 16 has a housing 18 through that the upper guy 13 is passed.
- the guy 13 from three individual strands, of which only in the side view a single strand is recognizable.
- the housing 18 is on the inside with bevelled sliding surfaces 19a, 19b, which are conical in their extension to the upper guying 13 approach.
- the holding device 16 can by means of a retaining tab 23, which is provided with a fastening eyelet 24, 2 are articulated in the attachment point 17.
- the upper guy 13 is carried out in pairs via a deflection roller 22, which according to FIG can be led to the cable drum 15. 3 ensures that the clamping force of the holding device 16 automatically increases when the tensile load increases in the upper guy 13. This way is without the requirement a positive locking in any case a secure locking of the upper guying 13 guaranteed to the desired length.
- the required preload can be in the upper guy 13 can be ensured without any problems that the Holding device 16 with its clamping action shortly before reaching the desired extension length of the telescopic boom 3 is operated and the Preload then via the telescopic device by fully extending is set to the desired extension length.
- a separate retraction device is provided, the consists of the two units 21a, 21b.
- This retraction device 21a, 21b can for example as a hydraulic or pneumatic cylinder / piston system or also be designed as an electromagnetically actuated plunger. The latter is in Fig. 3 indicated schematically.
- the plunger of the retractor 21a, 21b, each on one of the clamping wedges 20a, 20b is articulated, is under a spring load, which presses the two clamping wedges 20a, 20b into the clamping position in the idle state.
- the electromagnets are actuated, each of which Pull the plunger back to the right so that the clamping effect is released.
- the Unlocking can be facilitated by simultaneously driving the Cable drum 15 is operated in the sense of winding.
- Such a cable drum 15, which in a preferred embodiment of the invention as is designed flat disc-like body, is in Figure 4 as a perspective Cross section shown. It has a winding core 26 on which the rope of the upper one Bracing 13 is wound up and the safe hold of the individual Winding layers of two circular side walls 25a, 25b is limited.
- the Diameter of the rope drum 15, i.e. the outer diameter of the side walls 25a, 25b is more than 10 times the width B of the cable drum 15.
- the guying 13 consists of three parallel rope strands. These are immediately spiraled into a large number of winding layers immediately wound up side by side on the cable drum 15. The individual ropes move So not during winding like with a normal rope drum helical around the winding core. Therefore, the ropes always keep one consistently exact alignment parallel to the side walls 25a, 25b.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
Description
- Fig. 1
- einen erfindungsgemäßen Fahrzeugkran,
- Fig. 2
- die Einzelheit X aus Figur 1,
- Fig. 3
- eine Halteeinrichtung in schematisierter Form und
- Fig. 4
- einen Schnitt durch eine Seiltrommel.
- 1
- Unterwagen
- 2
- Oberwagen
- 3
- Ausleger
- 4
- Grundkasten
- 5
- Teleskopschuss
- 6
- Teleskopschuss
- 7
- Teleskopschuss
- 8
- Teleskopschuss
- 9
- Hubseil
- 10
- Hakenflasche
- 11
- Abspannung Superlift
- 12
- untere Abspannung
- 13
- obere Abspannung
- 14
- Abspannbock
- 15
- Seiltrommel
- 16
- Halteeinrichtung
- 17
- Befestigungspunkt
- 18
- Gehäuse
- 19a, b
- schräge Gleitfläche
- 20a, b
- Klemmkeil
- 21a, b
- Rückzieheinrichtung
- 22
- Umlenkrolle
- 23
- Haltelasche
- 24
- Befestigungsöse
- 25a, b
- Seitenwand
- 26
- Wickelkern
- 27
- Wippzylinder
- B
- Breite
Claims (13)
- Teleskopkran, insbesondere Fahrzeugkran, mit einem Ausleger (3), der einen Grundkasten (4) mit mehreren daraus austeleskopierbaren Teleskopschüssen (5 - 8) aufweist und mit einer als Superlifteinrichtung ausgebildeten Abspannung (11) versehen ist, wobei die Abspannung (11) über die Spitze eines auf dem Rücken des Grundkastens (4) errichteten Abspannnbocks (14) geführt ist und aus zwei Teilabspannungen besteht, von denen eine untere Abspannung (12) mit fixer Länge von der Spitze des Abspannbocks (14) bis in den Bereich des unteren Endes des Grundkastens (4) reicht und eine aus einem flexiblen Zugmittel gebildete obere Abspannung (13) mit variabler Länge von einem Befestigungspunkt im oberen Teil des Auslegers (3) zur Spitze des Abspannbocks (14) führt, wobei die Abspannung (11) im Betriebszustand des Auslegers (3) durch eine im Bereich des Abspannbocks (14) angeordnete Spanneinrichtung zur Entlastung der Teleskopschüsse (5 - 8) unter Zugspannung haltbar ist,
dadurch gekennzeichnet, dass die Spanneinrichtung eine Speichereinrichtung für das flexible Zugmittel der oberen Abspannung (13) und eine davon funktional und körperlich getrennt ausgebildete Halteeinrichtung (16) für das Zugmittel aufweist, die derart betätigbar ist, dass die Speichereinrichtung im Betriebszustand nicht mit den Zugkräften der Abspannung (11) beaufschlagt wird. - Teleskopkran nach Anspruch 1,
dadurch gekennzeichnet, dass die Halteeinrichtung an der Spitze des Abspannbocks (14) befestigt ist. - Teleskopkran nach einem der Ansprüche 1 - 2,
dadurch gekennzeichnet dass das Zugmittel der oberen Abspannung (13) als Seil ausgebildet ist. - Teleskopkran nach Anspruch 3,
dadurch gekennzeichnet, dass das Seil aus mehreren, insbesondere aus mindestens drei zueinander parallelen Strängen besteht. - Teleskopkran nach einem der Ansprüche 1 - 4,
dadurch gekennzeichnet, dass die Halteeinrichtung (16) eine kraftschlüssige Verbindung mit dem Zugmittel bildet. - Teleskopkran nach Anspruch 5,
dadurch gekennzeichnet, dass die Halteinrichtung (16) als Klemmeinrichtung ausgebildet ist. - Teleskopkran nach Anspruch 6,
dadurch gekennzeichnet, dass die Klemmeinrichtung ein Gehäuse (18) mit auf der Innenseite angeordneten schrägen Gleitflächen (19a, 19b) und mehrere damit korrespondierende Klemmkeile (20a, 20b), die unter Einwirkung der Zugkräfte des Zugmittels in eine Klemmstellung bezüglich des Zugmittels bringbar sind, sowie eine Einrichtung (21a, 21b) zum Lösen der Klemmkeile (20a, 20b) aus der Klemmstellung aufweist. - Teleskopkran nach Anspruch 7,
dadurch gekennzeichnet, dass die Einrichtung (21a, 21b) zum Lösen elektromotorisch, elektromagnetisch, hydraulisch oder pneumatisch betätigbar ist. - Teleskopkran nach einem der Ansprüche 3 - 8,
dadurch gekennzeichnet, dass die Speichereinrichtung eine Seiltrommel (15), insbesondere eine motorisch antreibbare Seiltrommel (15) ist. - Teleskopkran nach Anspruch 9,
dadurch gekennzeichnet, dass die Seiltrommel (15) am Abspannbock (14) angeordnet ist. - Teleskopkran nach einem der Ansprüche 9 - 10 ,
dadurch gekennzeichnet, dass die Seiltrommel (15) einen Außendurchmesser aurweist, der mindestens fünfmal, insbesondere mindestens zehnmal so groß ist wie die Breite B der Seiltrommel (15). - Teleskopkran nach einem der Ansprüche 9 - 11,
dadurch gekennzeichnet, dass das Seil der oberen Abspannung (13) mit seinen Windungen auf der Seiltrommel (15) ausschließlich übereinander wickelbar ist. - Teleskopkran nach einem der Ansprüche 1 - 12,
dadurch gekennzeichnet, dass die Abspannung der Superlifteinrichtung zwei separate Stränge und der Abspannbock (14) zwei Abspannträger aufweist, über die jeweils einer der beiden Stränge geführt ist und die zur Erzielung einer Stabilisierung des Auslegers (3) in seitlicher Richtung hinsichtlich ihrer Längsachsen in einem Winkel bis zu 180° schräg zueinander angestellt oder anstellbar sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10129022 | 2001-06-13 | ||
DE10129022A DE10129022B4 (de) | 2001-06-13 | 2001-06-13 | Teleskopkran mit Superlifteinrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1266861A1 true EP1266861A1 (de) | 2002-12-18 |
EP1266861B1 EP1266861B1 (de) | 2003-12-10 |
Family
ID=7688372
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02090212A Expired - Lifetime EP1266861B1 (de) | 2001-06-13 | 2002-06-11 | Teleskopkran mit Superlifteinrichtung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1266861B1 (de) |
AT (1) | ATE256078T1 (de) |
DE (2) | DE10129022B4 (de) |
Cited By (16)
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---|---|---|---|---|
US7617943B2 (en) * | 2004-06-22 | 2009-11-17 | Liebherr-Werk Ehingen Gmbh | Crane lattice boom and a crane |
CN102267670A (zh) * | 2011-07-29 | 2011-12-07 | 徐州重型机械有限公司 | 一种连接架及具有该连接架的臂架系统和起重机械 |
CN102431899A (zh) * | 2011-11-24 | 2012-05-02 | 徐州重型机械有限公司 | 超起卷扬控制系统及应用该系统的起重机 |
CN102431913A (zh) * | 2011-12-08 | 2012-05-02 | 中联重科股份有限公司 | 起重机及其超起装置 |
CN102659038A (zh) * | 2012-05-17 | 2012-09-12 | 中联重科股份有限公司 | 起重机及其超起装置 |
CN102735440A (zh) * | 2012-07-05 | 2012-10-17 | 中联重科股份有限公司 | 超起机构的试验装置 |
WO2013075454A1 (zh) * | 2011-11-21 | 2013-05-30 | 湖南三一智能控制设备有限公司 | 一种起重机及其超起装置 |
CN103420281A (zh) * | 2013-07-24 | 2013-12-04 | 三一汽车起重机械有限公司 | 起重机及其附属结构的拆装装置、拆卸方法及安装方法 |
CN103434952A (zh) * | 2013-09-11 | 2013-12-11 | 徐州重型机械有限公司 | 一种超起涨紧锁止机构及起重机 |
CN103787197A (zh) * | 2012-10-31 | 2014-05-14 | 徐工集团工程机械股份有限公司 | 用于起重机超起工况的控制系统以及起重机 |
CN104016249A (zh) * | 2014-06-23 | 2014-09-03 | 徐州重型机械有限公司 | 一种超起前张紧拉板放置架、装配方法及起重机 |
WO2018029306A1 (de) * | 2016-08-10 | 2018-02-15 | Terex Global Gmbh | Teleskopausleger mit abspannsystem für einen mobilkran und abspannverfahren hierfür |
CN109052127A (zh) * | 2018-10-23 | 2018-12-21 | 徐州市工大三森科技有限公司 | 一种两自由度反馈调整夹绳机构 |
CN112079268A (zh) * | 2020-08-25 | 2020-12-15 | 中联重科股份有限公司 | 工程机械的超起装置及工程机械 |
US11130659B2 (en) | 2017-01-20 | 2021-09-28 | Tadano Demag Gmbh | Telescoping jib comprising a rod guying system for a mobile crane and guying method therefor |
WO2022151683A1 (zh) * | 2021-01-14 | 2022-07-21 | 浙江三一装备有限公司 | 起重机超起半径控制方法、装置及起重机 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10257658A1 (de) * | 2002-12-10 | 2004-06-24 | Liebherr-Werk Ehingen Gmbh | Teleskopausleger eines Krans |
DE20208740U1 (de) * | 2002-06-05 | 2003-10-09 | Liebherr Werk Ehingen | Teleskopausleger eines Krans |
EP1369373B1 (de) | 2002-06-05 | 2007-02-14 | Liebherr-Werk Ehingen GmbH | Teleskopausleger eines Krans |
DE20219126U1 (de) | 2002-12-10 | 2004-04-15 | Liebherr-Werk Ehingen Gmbh | Teleskopausleger |
CN104495624B (zh) * | 2014-12-15 | 2017-08-25 | 太原重工股份有限公司 | 超起卷扬锁销装置控制系统及起重机 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2110646A (en) * | 1981-10-20 | 1983-06-22 | Thrust Precision Engineering L | Safety device |
EP0779236A1 (de) * | 1995-12-12 | 1997-06-18 | Liebherr-Werk Ehingen GmbH | Fahrzeugkran |
DE19802187A1 (de) * | 1998-01-16 | 1999-07-22 | Mannesmann Ag | Vorrichtung zum Abspannen einer Superlift-Einrichtung eines Teleskopkranes |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10022658B4 (de) * | 1999-06-28 | 2007-10-04 | Terex-Demag Gmbh & Co. Kg | Teleskopkran |
-
2001
- 2001-06-13 DE DE10129022A patent/DE10129022B4/de not_active Expired - Fee Related
-
2002
- 2002-06-11 DE DE50200134T patent/DE50200134D1/de not_active Expired - Lifetime
- 2002-06-11 EP EP02090212A patent/EP1266861B1/de not_active Expired - Lifetime
- 2002-06-11 AT AT02090212T patent/ATE256078T1/de not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2110646A (en) * | 1981-10-20 | 1983-06-22 | Thrust Precision Engineering L | Safety device |
EP0779236A1 (de) * | 1995-12-12 | 1997-06-18 | Liebherr-Werk Ehingen GmbH | Fahrzeugkran |
DE19802187A1 (de) * | 1998-01-16 | 1999-07-22 | Mannesmann Ag | Vorrichtung zum Abspannen einer Superlift-Einrichtung eines Teleskopkranes |
Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7617943B2 (en) * | 2004-06-22 | 2009-11-17 | Liebherr-Werk Ehingen Gmbh | Crane lattice boom and a crane |
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WO2022151683A1 (zh) * | 2021-01-14 | 2022-07-21 | 浙江三一装备有限公司 | 起重机超起半径控制方法、装置及起重机 |
Also Published As
Publication number | Publication date |
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EP1266861B1 (de) | 2003-12-10 |
DE50200134D1 (de) | 2004-01-22 |
ATE256078T1 (de) | 2003-12-15 |
DE10129022A1 (de) | 2003-01-02 |
DE10129022B4 (de) | 2005-07-28 |
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