EP1266861B1 - Teleskopkran mit Superlifteinrichtung - Google Patents
Teleskopkran mit Superlifteinrichtung Download PDFInfo
- Publication number
- EP1266861B1 EP1266861B1 EP02090212A EP02090212A EP1266861B1 EP 1266861 B1 EP1266861 B1 EP 1266861B1 EP 02090212 A EP02090212 A EP 02090212A EP 02090212 A EP02090212 A EP 02090212A EP 1266861 B1 EP1266861 B1 EP 1266861B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bracing
- crane according
- telescopic crane
- telescopic
- cable drum
- 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.)
- Expired - Lifetime
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 vehicle crane, the one equipped with a superlift boom according to the preamble of Patent claim 1.
- a generic telescopic crane which is designed as a vehicle crane, is For example, from DE 198 02187 A1 known.
- This vehicle crane has a Boom with a basic box and several austeleskopierbaren from it Telescopic shots on. He is trained with a superlift device Provided with bracing, with the brace over the top of one on the back of the basic box erected Abspannbocks is guided. The bracing exists while two Operaabvolutionen.
- a lower bracing, coming from the top of the Abspannbocks extends into the area of the lower end of the basic box, points while a fixed length. The lower bracing can therefore, for example, from be formed a linkage.
- the second partial guy (upper guy) is off a flexible (i.e., slightly bendable transversely to the pulling direction) variable traction means Length formed, for example, from a rope or a chain, and leads from a Attachment point in the upper part of the jib to the top of the jib. in the Operating condition of the boom, the bracing by a in the range of Abspannbocks arranged tensioning device to relieve the telescopic shots held under tension.
- This tensioning device is here as a winch formed, which is arranged in the lower part of the guy trestle.
- the rope of upper bracing is doing over a pulley at the top of the Leading trestles guided to winch.
- the upper guy on the winch to a length adjusted, at which the bracing the desired height of the relieving tensile forces reached.
- the cable drum is powered by a braking device blocked, so that the desired voltage is maintained.
- the winch must absorb the full load of the guy, it assigns one heavy and voluminous design.
- the winch winds the guy rope in the usual way in a variety of ways juxtaposed turns schraubenlinigförmig on. It can also several turns layers are created one above the other.
- the dimensions of a Winches are usually such that their width (in the direction of the axis of rotation seen) in the order of its outer diameter.
- the guy of a superlift device is designed so that it Transport with the winch to the base box of the telescopic boom is foldable.
- the length of the telescopic shots of the telescopic boom for the particular application is insufficient. Therefore, be often boom extensions in the form of a jib in lattice construction (Lattice tip) used.
- Such a lattice tip is at the head of the inner Stan Telescope shot attached.
- pivot joints which make it possible to Lattice tip in the retracted state of the telescopic boom on the outside of the Base box of the boom to fold. This is because of the winch occupied space without dismantling the guy Superlift device often not possible.
- Object of the present invention is to provide a telescopic crane with the features of the preamble of claim 1 to the effect that the on The Abspannbcck the superlift device acting forces as low as possible Bending and torsional stresses cause and the space required for the Abspannbock is as small as possible in the state angekiappten to the base box, so that in particular a hinged to the base box jib still enough space.
- An essential feature of the present invention is that the Clamping the Superliftincardi a memory device for the flexible Pulling means of the upper bracing and one of them functionally and physically separated having trained holding device for the traction means.
- the holding device is such actuatable that the storage device in the operating state not with the tensile forces the guy is applied.
- the storage device is no longer at high loads must be designed by the tensile forces of the bracing and therefore accordingly can be designed to be light and space-saving.
- the holding device attached to the top of the guy clamp be useful at the same place, in which also the lower bracing with the guy is connected.
- This allows an exact introduction of force, which avoids the development of bending loads in the guy trestle.
- Of the Abspannbock is acted upon only by compressive forces. This requires the Bending trestle not so robust and voluminous and thus heavy built too will be like before.
- the traction means of the upper bracing 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 the bracing of several parallel strands, which is a band-shaped, so in the Cross section forming a flat unit.
- the storage device as particular to form a motor-drivable cable drum, preferably at the end-trestle is arranged.
- the cable drum could be moved to another location For example, be attached directly to the base box of the boom.
- the cable drum is a very narrow body, so with a very short axial length (width B) formed.
- width B axial length
- the cable drum has one Outer diameter, at least five times, in particular at least ten times is as large as the width B. So it can externally an almost disc-like shape receive. This is especially possible if the rope of the upper bracing not helical, but only spirally on the rope drum is wound up.
- the required length of the upper bracing first set by means of the holding device when the telescopic boom is not yet on the ultimately extended extension length is extended, and only then on the boom extend the desired length. This will cause the bias through the Drive system applied for the extension of the telescopic shots.
- a cable drum instead of a cable drum, other storage devices can be used, for example, those with - similar to the pulley principle - looped arranged traction means, wherein the length of the loops is adjustable as needed.
- the holding device such that a positive connection between the traction means and the holding device consists.
- the holding device is a force-locking connection with the Traction designed the Superliftinraum. It is particularly recommended that Holding device designed as a clamping device. This can, for example, with Work clamp bodies that are designed as eccentric.
- the clamping device is provided with a housing which on the Inside oblique sliding surfaces and several corresponding wedges having, under the action of the tensile forces of the traction means to be held with respect this traction means can be brought into a clamping position.
- a separate device for releasing the clamping wedges from the clamping position provided.
- This device for releasing for example, electromotive, be electromagnetically, hydraulically or pneumatically actuated.
- the invention is applied to a telescopic crane, whose boom consists of two separate Abspannträgem Abspannbock has, over the tips of two separate strands of a bracing are guided, as is known from DE 100 22 658 A1.
- the two Bracing beams can with their longitudinal axes an angle of 180 ° include, so aligned coaxially and each projecting laterally from the boom be aligned so that a lateral stabilization is achieved.
- the two bracing can also be inclined to each other (angle less than 180 °) be employed.
- the angle between 0 ° is advantageous and 180 ° freely adjustable to meet the respective needs.
- the holding device of course consists of several units, so that assigned to each strand of the bracing a separate unit of the holding device is.
- the telescopic crane shown in Fig. 1 is designed as a vehicle crane, with a a six-axle road chassis equipped undercarriage 1 and one a vertical axis rotatably mounted thereon uppercarriage 2 is equipped.
- Upper carriage 2 carries a tiltable about a horizontal axis of rotation boom 3 and a counterweight consisting of a multitude of elements.
- the boom 3 has at its lower end a base box 4, from which the one inside the other Telescopic shots 5, 6, 7, 8 by means of a telescoping device, not shown are extendable.
- a hydraulic Rocker cylinder 27 is provided, on the one hand on the upper carriage 2 and on the other Base box 4 is articulated.
- a hoist rope 9 leads from a winch on the Upper carriage 2 to a raised at the upper end of the boom 3 Hook block 10 to which a load can be attached.
- the jib 3 is subject in particular to bending and buckling.
- a guy 11 of a Superlift device provided, consisting of a lower brace 12 and a upper bracing 13 and one on the back of the base box 4th approximately perpendicular to the central axis of the boom 3 erected Anspannbock 14 out is.
- the lower bracing 12 is on the one hand in the region of the lower end of the Base box 4 and on the other hand in the region of the top of the guy truss 14th attached.
- the lower attachment point of the brace 12 can of course if necessary also z. B. be moved in the range of the counterweight.
- the lower brace 12 has a fixed length and therefore can be designed for example as a linkage. Of course it is also possible to form the lower guy as rope or as a chain.
- the upper brace 13 has a variable length to accommodate different Extension lengths of the telescopic boom 3 can be adjusted.
- the upper Bracing 13 is in the upper part of the telescopic boom, preferably at the top of the attached to the innermost telescopic section 8 and is over the top of the bracing trestle 14 led. Details of this can be found in the schematic representation of Figure 2 corresponding to the detail X in Figure 1.
- both the lower brace 12 and a one Part of the upper bracing 13 forming holding device 16 is attached.
- a cable drum 15 which is driven by a motor, serves only as Rope store, so does not take the prevailing in the operating case in the bracing Pulling forces on. The latter is ensured by the holding device 16, on the next will be discussed in more detail below.
- This cable drum 15 is unlike usual cable drums, which in relation to the diameter of a significantly greater width, i.e.
- the rope diameter be considerably reduced compared to the design with a simple rope. This has, among other things, the advantage that when the deflection of the rope clearly smaller bending radii are possible. Overall, this leads to an extraordinary compact and space-saving design of the cable drum 15, since the drive and the Locking device of the cable drum should not be designed for heavy loads have to.
- FIG. 3 is a schematic representation of the holding device 16 in a axial longitudinal section.
- the holding device 16 has a housing 18, through that the upper bracing 13 is passed.
- the bracing 13 of three individual strands, of which in the side view only a single strand is recognizable.
- the housing 18 is on its inside with oblique sliding surfaces 19a, 19b provided, the conical in their extension to the upper bracing 13 run.
- each clamping wedges 20a, 20b provided due to the friction under the tensile load of the bracing 13, the indicated by an arrow, be pulled to the left, so that under the Tensile load the clamping wedges 20a, 20b in a corresponding manner to the left move and the contact pressure of the clamping wedges 20a, 20b on the upper Bracing 13 is increased according to the wedge effect.
- the holding device 16 can by means of a retaining tab 23 which is provided with a fastening eye 24, be hinged in the fixing point 17 as shown in FIG. 2.
- the upper brace13 is performed via a guide roller 22, the pair according to FIG. 2 may be, led to the cable drum 15.
- the design according to FIG. 3 ensures that the clamping force of the holding device 16 automatically increases when the tensile load in the upper brace 13 increases. In this way, without the requirement a positive connection in each case a secure locking of the upper bracing 13 guaranteed to the desired length.
- the required preload in the upper bracing 13 can be ensured without problems, that the Holding device 16 with its clamping action shortly before reaching the desired extension length of the telescopic boom 3 is actuated and the Preload then over the telescoping device by the full extension is set to the desired extension length.
- the clamping wedges 20a, 20b of itself in the clamped Dwell, a separate remindzieh liked 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 be designed as an electromagnetically actuated plunger. The latter is shown in FIG. 3 indicated schematically.
- the plunger of the retractor 21a, 21b, each at one of the clamping wedges 20a, 20b is articulated, stands under a spring load, at rest, the two clamping wedges 20a, 20b presses in the clamping position.
- the electromagnets are actuated, respectively Pull plunger back to the right so that the clamping effect is released.
- the Unlocking can be facilitated by the fact that the drive of 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 Sectional view shown. It has a winding core 26, on which the rope of the upper Abspann 13 is wound and the secure holding of the individual Winding layers of two circular side walls 25a, 25b is limited.
- the bracing 13 of three parallel cable strands. These are each exactly spiraling to a plurality of winding layers directly wound side by side on the cable drum 15.
- the individual ropes move so during winding not as a conventional cable drum helically around the winding core. Therefore, the ropes always keep one consistently exact alignment parallel to the side walls 25a, 25b.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
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 aufweist, 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 EP1266861A1 (de) | 2002-12-18 |
EP1266861B1 true 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 (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102515039A (zh) * | 2011-11-21 | 2012-06-27 | 三一汽车起重机械有限公司 | 一种起重机及其超起装置 |
CN104495624A (zh) * | 2014-12-15 | 2015-04-08 | 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 |
Families Citing this family (19)
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 |
DE202004009782U1 (de) * | 2004-06-22 | 2005-11-03 | Liebherr-Werk Ehingen Gmbh | Kran-Gitterausleger und Kran |
CN102267670B (zh) * | 2011-07-29 | 2013-03-20 | 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 |
CN102431899B (zh) * | 2011-11-24 | 2013-07-24 | 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 |
CN102431913B (zh) * | 2011-12-08 | 2013-06-05 | 中联重科股份有限公司 | 起重机及其超起装置 |
CN102659038B (zh) * | 2012-05-17 | 2013-12-04 | 中联重科股份有限公司 | 起重机及其超起装置 |
CN102735440B (zh) * | 2012-07-05 | 2014-12-24 | 中联重科股份有限公司 | 超起机构的试验装置 |
CN103787197B (zh) * | 2012-10-31 | 2015-09-23 | 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 |
CN103420281B (zh) * | 2013-07-24 | 2015-10-14 | 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 |
CN103434952B (zh) * | 2013-09-11 | 2015-10-28 | 徐州重型机械有限公司 | 一种超起涨紧锁止机构及起重机 |
CN104016249B (zh) * | 2014-06-23 | 2016-07-06 | 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 |
DE102016114837A1 (de) | 2016-08-10 | 2018-02-15 | Terex Global Gmbh | Teleskopausleger mit Abspannsystem für einen Mobilkran und Abspannverfahren hierfür |
DE102017101113B3 (de) | 2017-01-20 | 2018-07-12 | Terex Global Gmbh | Teleskopausleger mit Stangenabspannsystem für einen Mobilkran und Abspannverfahren hierfür |
CN109052127B (zh) * | 2018-10-23 | 2023-10-24 | 徐州市三森威尔矿山科技有限公司 | 一种两自由度反馈调整夹绳机构 |
CN112079268B (zh) * | 2020-08-25 | 2021-10-01 | 中联重科股份有限公司 | 工程机械的超起装置及工程机械 |
CN112723172A (zh) * | 2021-01-14 | 2021-04-30 | 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 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2110646B (en) * | 1981-10-20 | 1985-08-14 | Thrust Precision Engineering L | Safety device |
DE19606109A1 (de) * | 1995-12-12 | 1997-06-19 | Liebherr Werk Ehingen | Fahrzeugkran |
DE19802187C2 (de) * | 1998-01-16 | 1999-11-25 | Mannesmann Ag | Vorrichtung zum Abspannen einer Superlift-Einrichtung eines Teleskopkranes |
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
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102515039A (zh) * | 2011-11-21 | 2012-06-27 | 三一汽车起重机械有限公司 | 一种起重机及其超起装置 |
CN102515039B (zh) * | 2011-11-21 | 2014-01-15 | 三一汽车起重机械有限公司 | 一种起重机及其超起装置 |
CN104495624A (zh) * | 2014-12-15 | 2015-04-08 | 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 |
Also Published As
Publication number | Publication date |
---|---|
DE50200134D1 (de) | 2004-01-22 |
ATE256078T1 (de) | 2003-12-15 |
DE10129022A1 (de) | 2003-01-02 |
DE10129022B4 (de) | 2005-07-28 |
EP1266861A1 (de) | 2002-12-18 |
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