EP2221270A2 - Unité de sécurité et de boulonnage - Google Patents

Unité de sécurité et de boulonnage Download PDF

Info

Publication number: EP2221270A2
Authority: EP; European Patent Office
Prior art keywords: securing; gripper; piston rod; locking; housing part
Prior art date: 2009-02-20
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

EP10075033A

Other languages

German (de)

English (en)

Other versions

EP2221270B1 (fr

EP2221270A3 (fr

Inventor

Thomas Dipl.-Ing Krebs

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Tadano Demag GmbH

Original Assignee

Terex Demag GmbH

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2009-02-20

Filing date

2010-01-21

Publication date

2010-08-25

2010-01-21 Application filed by Terex Demag GmbH filed Critical Terex Demag GmbH

2010-08-25 Publication of EP2221270A2 publication Critical patent/EP2221270A2/fr

2012-03-21 Publication of EP2221270A3 publication Critical patent/EP2221270A3/fr

2014-03-12 Application granted granted Critical

2014-03-12 Publication of EP2221270B1 publication Critical patent/EP2221270B1/fr

Status Active legal-status Critical Current

2030-01-21 Anticipated expiration legal-status Critical

Links

238000001514 detection method Methods 0.000 claims description 3
239000003999 initiator Substances 0.000 claims description 2
230000037430 deletion Effects 0.000 description 1
238000012217 deletion Methods 0.000 description 1
230000008030 elimination Effects 0.000 description 1
238000003379 elimination reaction Methods 0.000 description 1

Images

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
- B66C23/708—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic locking devices for telescopic jibs

Definitions

the invention relates to a securing and Verbolzungsech, for telescopic shots from a basic element, in particular the shots of a telescopic boom of a mobile crane, comprising two locking pins arranged relative to each other and a cooperating with a gripper locking bolt.
the object of the invention is to provide a security and Verbolzungsech, in contrast to previous SVE's no intermediate components between 'trigger element' and 'actuator' has. It should reduce the number the parts and a reduction in the weight and cost of the components can be achieved.
the goal would therefore be to omit the unnecessary components such as rack, slide link, spring elements, etc.
a securing and Verbolzungsech for telescopic shots from a basic element, in particular the shots of a telescopic boom of a mobile crane, comprising two relatively displaceably arranged locking pins and cooperating with a gripper locking bolt, which is characterized in that the securing bolts and an extension of the gripper embodied as a piston rod are arranged so as to be displaceable perpendicular to one another in a lower housing part and that the piston for the piston rod of the gripper is located in an upper housing part placed on the lower housing part.
the hydraulic release element is also a mechanical actuator at the same time, and thus the elimination of intermediate components (sliding gate, rack, etc.) is possible. Further advantages are the absolute mechanical intrinsic safety by choice of geometry, no hydraulic / electrical logic in the form of valves / switches or other to achieve intrinsic safety.
a telesystem can be made available, which can be used with several telescopic jibs (large cross-section to very small cross-section) as a modular principle.
the underlying backup cylinder can be extended to the same extent on both sides.
the securing and bolting unit according to the invention thus consists virtually only of 3 components, namely the housing, the safety bolt (safety cylinder), hydraulic / pneumatic and the gripper (Verbolzungszylinder), hydraulic / pneumatic.
the invention allows the optimal utilization of the available space, since only components are used, which also serve the immediate functions (secure, bolted).
the gripper is arranged perpendicular to the axis of the backup cylinder.
the control of the functional elements can be done hydraulically or pneumatically.
the functional unit (SVE) is operated hydraulically / pneumatically, but is mechanically locked intrinsically safe. No additional actuators necessary. Deletion of sliding gate / racks / springs /.
Absolute intrinsic safety is present; when unlocked is simultaneously bolted because of the mechanical logic.
the axis of the locking bolt is attached eccentric to Teleskopierzylinderl Kunststoffsachse because of space reduction.
the detection of the pin position is carried out directly by initiators on the processed switching edges on the backup cylinder and on the gripper.
the functional unit (SVE) can be mounted at any position in the longitudinal direction of the telescoping cylinder, but preferably at the beginning of the sliding part.
the securing and bolting unit consists of a housing lower part 1 and a housing upper part 2 fastened thereon.
the two securing bolts 3 are slidably mounted, wherein the right and left bolts are connected by a piston rod 3a.
the belonging to the piston rod 3a piston, which is located in one of the bolts is not shown here.
the piston rod 3a has a smaller diameter than the securing bolts themselves.
the upper housing part 2 On the lower housing part 1, the upper housing part 2 is placed and in this a piston rod 4a is guided, which represents an extension of the gripper 4. Relative to its longitudinal axis, the longitudinal axis of the piston rod 4a is eccentric and has a recess 4b at its free end.
the gripper 4 protrudes from the upper housing part 2.
the upper free end of the gripper 4 is - like the Figures 5-7 show - in the usual way with a locking pin 5 engageable.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Jib Cranes (AREA)
Jigs For Machine Tools (AREA)
Forklifts And Lifting Vehicles (AREA)
Actuator (AREA)

EP20100075033 2009-02-20 2010-01-21 Unité de sécurité et de boulonnage Active EP2221270B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE200910009944 DE102009009944B4 (de)	2009-02-20	2009-02-20	Sicherungs- und Verbolzungseinheit

Publications (3)

Publication Number	Publication Date
EP2221270A2 true EP2221270A2 (fr)	2010-08-25
EP2221270A3 EP2221270A3 (fr)	2012-03-21
EP2221270B1 EP2221270B1 (fr)	2014-03-12

Family

ID=42198933

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP20100075033 Active EP2221270B1 (fr)	2009-02-20	2010-01-21	Unité de sécurité et de boulonnage

Country Status (5)

Country	Link
US (1)	US9090438B2 (fr)
EP (1)	EP2221270B1 (fr)
CN (1)	CN101817480B (fr)
DE (1)	DE102009009944B4 (fr)
ES (1)	ES2470685T3 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102012002122B4 (de)	2012-02-03	2019-10-10	Liebherr-Werk Ehingen Gmbh	Verriegelungsvorrichtung für einen Teleskopausleger
DE102013006259A1 (de) *	2013-04-11	2014-10-16	Liebherr-Werk Ehingen Gmbh	Teleskopausleger und Kran
DE102013011173B4 (de) *	2013-07-04	2019-05-23	Liebherr-Werk Ehingen Gmbh	Verfahren zur Montage eines Krans sowie Anlenkschuss, Teleskopausleger und Kran
JP6223071B2 (ja) *	2013-08-30	2017-11-01	株式会社タダノ	クレーン装置のブーム伸縮機構
US10647552B1 (en) *	2015-09-25	2020-05-12	Link-Belt Cranes, L.P., Lllp	Fly connection system for a crane boom
EP3424868B1 (fr) *	2016-03-03	2023-09-27	Tadano Ltd.	Mécanisme d'extension/contraction
WO2017189439A1 (fr) *	2016-04-25	2017-11-02	Manitowoc Crane Companies, Llc	Grue dotée d'un mécanisme de verrouillage rotatif
JP7445394B2 (ja) *	2018-06-04	2024-03-07	マニタウォッククレインカンパニーズ，エルエルシー	回転式伸展及びロックシステムを有する伸縮ブーム
JP7198567B2 (ja) *	2018-06-05	2023-01-04	ザウィルーバートカンパニー	自動ロック入れ子式マスト

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DE19824672A1 (de)	1997-05-28	1998-12-03	Mannesmann Ag	Kran mit einem Teleskopausleger
DE19926131B4 (de)	1999-06-09	2007-04-19	Faun Gmbh	Teleskop-Ausleger

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DE10164601C2 (de) *	2001-12-21	2003-12-18	Terex Demag Gmbh & Co Kg	Teleskopausleger
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2009
- 2009-02-20 DE DE200910009944 patent/DE102009009944B4/de not_active Withdrawn - After Issue
2010
- 2010-01-21 ES ES10075033.0T patent/ES2470685T3/es active Active
- 2010-01-21 EP EP20100075033 patent/EP2221270B1/fr active Active
- 2010-02-09 CN CN201010125761.1A patent/CN101817480B/zh not_active Expired - Fee Related
- 2010-02-18 US US12/707,737 patent/US9090438B2/en active Active

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19824672A1 (de)	1997-05-28	1998-12-03	Mannesmann Ag	Kran mit einem Teleskopausleger
DE19926131B4 (de)	1999-06-09	2007-04-19	Faun Gmbh	Teleskop-Ausleger

Also Published As

Publication number	Publication date
US20100213154A1 (en)	2010-08-26
EP2221270B1 (fr)	2014-03-12
US9090438B2 (en)	2015-07-28
CN101817480B (zh)	2014-01-08
DE102009009944B4 (de)	2011-02-24
ES2470685T3 (es)	2014-06-24
EP2221270A3 (fr)	2012-03-21
DE102009009944A1 (de)	2010-09-02
CN101817480A (zh)	2010-09-01

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