EP0669280A1 - Installation de levage pour contrepoids démontable - Google Patents
Installation de levage pour contrepoids démontable Download PDFInfo
- Publication number
- EP0669280A1 EP0669280A1 EP95101185A EP95101185A EP0669280A1 EP 0669280 A1 EP0669280 A1 EP 0669280A1 EP 95101185 A EP95101185 A EP 95101185A EP 95101185 A EP95101185 A EP 95101185A EP 0669280 A1 EP0669280 A1 EP 0669280A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lifting
- cylinder
- cage
- counterweight
- piston rod
- 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
- 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
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
Definitions
- the invention relates to a lifting device having a turntable and two lifting elements for a transfer device for counterweights on jib cranes, in particular mobile telescopic cranes, with a rotatable superstructure, the lifting elements being provided with a vertically extendable member which is retracted into openings in the counterweights and non-positively by means of a rotary movement therewith can be connected.
- the particular safety of the lifting device according to the invention is due to the fact that the counterweight lifting cylinder can only be rotated in the extended position because the square located at the upper end of the counterweight lifting cylinder is then located within the lower, rotatable cylinder cage. As long as the square is in the upper, fixed cylinder cage, rotation of the counterweight lifting cylinder is impossible. Incorrect operation is therefore completely excluded.
- a concentrically arranged inductive displacement sensor is provided in the interior of the lifting elements and the piston rod head of each lifting element has a bore through which the cable of the inductive displacement sensor is led out.
- the lifting device can thus be monitored electronically. The same operations are carried out in the lifting device according to the invention as in the known lifting devices.
- the crane operator no longer needs to leave the crane cabin on the superstructure for this, but controls the work processes from his instrument panel, to which the cable of the inductive path length sensor is guided.
- the crane operator can thus also take up the counterweight by lifting the counterweights into the "crane work” position and reversing them, namely placing the counterweights in the "crane driving" position from the crane cabin.
- the inductive path length sensor always shows the crane operator the exact lifting status of the lifting element on the instrument panel.
- two pressure switches are arranged on the base plate of the upper, fixed cylinder cage of each lifting element. The positions “open” and “locked” are displayed on the instrument panel via these pressure switches.
- the piston rod head located in the upper, fixed cylinder cage of the lifting elements is provided with bores through which the piston surface and the annular surface of the lifting elements are supplied with oil.
- This type of cylinder suspension protects the piston rod against damage, especially when it is ground as usual, and is maintenance-free.
- both individual and several counterweights can be lifted simultaneously.
- the jib crane 1 shown in FIG. 1 consists of the undercarriage 2, which is connected to the superstructure 4 by a flexible connection 3.
- a lifting device 5 is attached to the superstructure 4, which carries the counterweights 6.
- the lifting device 5 on a rotary table 7 consists of two lifting elements 8R and 8L, which have an upper cylinder cage 9 and a lower cylinder cage 10.
- the upper cylinder cage 9 is fixedly attached to the turntable 7 by means of a base plate 11, which forms the upper part of a ball swivel connection 12, while the lower cylinder cage 10 is rotatable.
- a counterweight lifting cylinder 13 is guided, in the lower end of which a cross pin 14 is inserted, which projects on both sides from the lower end of the counterweight lifting cylinder 13.
- the lifting device is locked and the counterweights 6 are received by the lifting element 8R, while in the position of the lifting element 8L according to the left-hand halves of FIG. 3 and 4 the lifting device is unlocked and the counterweights 6 are placed on the chassis frame 15 (cf. FIG. 4, left half).
- the lifting elements 8R and 8L are each provided with an actuating cylinder 16.
- the piston rod 17 of the actuating cylinder 16 is articulated on the lower, expandable cylinder cage 10, while the rear end of the actuating cylinder 16 is connected to the turntable 7 by means of a bolt.
- FIG. 5 shows a lifting element 8L consisting essentially of the upper, fixed cylinder cage 9 and the lower, rotatable cylinder cage 10 and the counterweight lifting cylinder 13 guided therein.
- the cylinder cages 9 and 10 have a quadrangular cross section and are connected to one another by the ball swivel connection 12.
- the upper part of the rotary ball joint 12 forms the base plate 11 of the upper, fixed cylinder cage 9 connected to the rotary table 7.
- 11 holes 18 are provided on the base plate 11 for connecting the base plate 11 to the rotary table 7 (see FIGS. 2 to 4) .
- the piston rod 17 of the actuating cylinder 16 (cf. FIGS. 2 to 4) is articulated on the lower, rotatable cylinder cage 10.
- the counterweight lifting cylinder 13 has at its upper end a square 19 which is slidably guided in the square inner spaces of the cylinder cages 9 and 10.
- the piston rod head 21 of the piston rod 20 is provided with bores 22 and 23, the bore 22 serving for the oil supply to the piston surface and the bore 23 serving for the oil supply to the annular surface of the lifting element 8L.
- a concentrically arranged inductive displacement length sensor 24 is provided in the interior of the lifting element 8L .
- Pressure switches 27 are arranged on the base plate 11 of the upper cylinder cage 9.
- the square 19 slides downward along the square interior of the upper, fixed cylinder cage 9 and finally reaches the square interior of the lower, rotatable cylinder cage 10.
- the cross pin 14 has moved through the openings of the counterweights 6. It is located at the end of the stroke within a cavity 28 (see FIG. 2) which is provided in the counterweights 6 and which also serves to center the counterweights 6 with one another.
- the actuating cylinder 16 can now rotate the lower cylinder cage 10 by means of its piston stroke by means of the piston rod 17.
- the square 19 causes a simultaneous rotation of the counterweight lifting cylinder 13, so that the transverse pin 14 inserted in its end is rotated into the locking position, that is to say a non-positive connection is established with the counterweights 6 (cf. FIG. 2).
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4405780A DE4405780A1 (de) | 1994-02-23 | 1994-02-23 | Hubeinrichtung für eine Umsetzvorrichtung |
DE4405780 | 1994-02-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0669280A1 true EP0669280A1 (fr) | 1995-08-30 |
EP0669280B1 EP0669280B1 (fr) | 1999-06-02 |
Family
ID=6510971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95101185A Expired - Lifetime EP0669280B1 (fr) | 1994-02-23 | 1995-01-28 | Installation de levage pour contrepoids démontable |
Country Status (5)
Country | Link |
---|---|
US (1) | US5524777A (fr) |
EP (1) | EP0669280B1 (fr) |
JP (1) | JP3675871B2 (fr) |
DE (2) | DE4405780A1 (fr) |
ES (1) | ES2132440T3 (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1607364A2 (fr) * | 2004-06-16 | 2005-12-21 | Liebherr-Werk Ehingen GmbH | Systeme de contrepoids d'une grue |
CN103133599A (zh) * | 2013-02-27 | 2013-06-05 | 中联重科股份有限公司 | 一种配重和一种制造配重的方法 |
CN103342297A (zh) * | 2013-07-08 | 2013-10-09 | 徐州重型机械有限公司 | 一种滑动式平衡重安装架及起重机 |
CN104444862A (zh) * | 2014-12-08 | 2015-03-25 | 徐州建机工程机械有限公司 | 一种动臂塔式起重机的平衡重结构 |
CN104444860A (zh) * | 2014-12-11 | 2015-03-25 | 徐州重型机械有限公司 | 一种挂接装置、平衡重装置和挂接方法 |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2252446C (fr) * | 1997-10-31 | 2003-06-10 | Grove U.S. L.L.C. | Systeme automatique de mise a niveau et de synchronisation pour l'installation et l'enlevement d'un contrepoids |
DE10014933A1 (de) * | 2000-03-20 | 2001-10-04 | Mannesmann Ag | Kranfahrzeug |
DE10019863B4 (de) * | 2000-04-18 | 2005-01-27 | Terex-Demag Gmbh & Co. Kg | Fahrzeugkran |
DE202005016815U1 (de) * | 2005-10-26 | 2007-03-01 | Liebherr-Werk Ehingen Gmbh | Fahrzeugkran mit Ballastierung |
DE202006019421U1 (de) * | 2006-12-22 | 2008-04-30 | Liebherr-Werk Ehingen Gmbh | Kranfahrzeug |
EP2218836B1 (fr) * | 2009-02-16 | 2017-04-05 | BAUER Maschinen GmbH | Véhicule, notamment véhicule de chantier |
CN101638208B (zh) * | 2009-08-14 | 2011-10-12 | 三一汽车制造有限公司 | 工程机械及其平衡重锁定装置 |
CN102303822A (zh) * | 2011-06-10 | 2012-01-04 | 长沙中联重工科技发展股份有限公司 | 起重机用配重装卸机构、起重机和配重的装卸方法 |
CN102229415B (zh) * | 2011-06-30 | 2013-07-17 | 三一汽车起重机械有限公司 | 一种起重机及其移动式配重机构 |
WO2014077790A1 (fr) * | 2012-11-13 | 2014-05-22 | Hi̇drokon Konya Hi̇droli̇k Maki̇na Sanayi̇ Ve Ti̇caret Li̇mi̇ted Şi̇rketi̇ | Système de levage et d'abaissement de contrepoids pour grues mobiles |
CN103832937B (zh) * | 2012-11-26 | 2016-03-16 | 徐州徐工随车起重机有限公司 | 配重机构以及起重机 |
CN103899706A (zh) * | 2012-12-28 | 2014-07-02 | 三一重工股份有限公司 | 一种配重装置及具有其的工程机械 |
US9341028B2 (en) * | 2013-02-15 | 2016-05-17 | Black Hawk Energy Services Ltd. | Counterweight assembly for a self-propelled derrick rig assembly |
US9238945B2 (en) | 2013-02-15 | 2016-01-19 | Black Hawk Energy Services, Inc. | Base beam and self-propelled derrick rig assembly |
BR112016027708B1 (pt) * | 2014-05-26 | 2021-08-31 | Xuzhou Heavy Machinery Co., Ltd | Dispositivo e método de engate de contrapeso combinado e estrutura de montagem de contrapeso |
CN103979439B (zh) * | 2014-05-26 | 2016-04-27 | 徐州重型机械有限公司 | 组合式平衡重挂接装置、方法及平衡重安装结构 |
US11097927B1 (en) | 2016-04-20 | 2021-08-24 | Link-Belt Cranes, L.P., Lllp | Lifting machine with counterweight sensing system and related methods |
DE102016005505A1 (de) * | 2016-05-04 | 2017-11-09 | Liebherr-Werk Ehingen Gmbh | Mobilkran mit Ballastaufnahme sowie Verfahren zur Ballastierung eines Mobilkrans |
DE102016008822B4 (de) * | 2016-07-19 | 2021-05-20 | Liebherr-Werk Ehingen Gmbh | Mobilkran mit verstellbarer Ballastaufnahmevorrichtung |
US11440778B2 (en) * | 2018-08-06 | 2022-09-13 | Tadano Ltd. | Crane |
CN109279521A (zh) * | 2018-12-12 | 2019-01-29 | 三汽车起重机械有限公司 | 配重移动装置及起重机 |
CN110562865B (zh) * | 2019-07-29 | 2020-12-15 | 中船第九设计研究院工程有限公司 | 一种臂架平衡***平衡重阶梯调节装置 |
CN111022576B (zh) * | 2019-10-24 | 2021-06-25 | 巢湖市荣达塑业有限公司 | 一种配重块的稳定交叉排布***及方法 |
US10822212B1 (en) * | 2020-06-11 | 2020-11-03 | Altec Industries, Inc. | Counterweight attachment mechanism for a crane |
CN113213359A (zh) * | 2021-05-21 | 2021-08-06 | 徐州胜海机械制造科技有限公司 | 一种用于起重机的可调节平衡重机构 |
US20230391589A1 (en) * | 2022-06-03 | 2023-12-07 | Link-Belt Cranes, L.P., Lllp | Counterweight tray retention system for lifting machine and related methods |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3912868C1 (de) * | 1989-02-20 | 1990-08-16 | Liebherr Werk Ehingen | Kranfahrzeug mit mindestens einer auf diesem ablebaren und an dessen Oberwagen ankuppelbaren Gegengewichtsplatte |
DE4124173A1 (de) * | 1991-07-20 | 1993-01-21 | Faun Gmbh | Kranfahrzeug |
FR2679893A1 (fr) * | 1991-08-01 | 1993-02-05 | Ppm | Grue mobile comportant une tourelle munie d'un contrepoids demontable. |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2142750A1 (de) * | 1971-08-26 | 1973-04-12 | Krupp Gmbh | Autokran |
US3891095A (en) * | 1974-04-22 | 1975-06-24 | Case Co J I | Removable counterweight mounting mechanism |
US4363412A (en) * | 1980-08-14 | 1982-12-14 | Kidde, Inc. | Crane counterweight and handling method |
-
1994
- 1994-02-23 DE DE4405780A patent/DE4405780A1/de not_active Withdrawn
-
1995
- 1995-01-28 EP EP95101185A patent/EP0669280B1/fr not_active Expired - Lifetime
- 1995-01-28 DE DE59506061T patent/DE59506061D1/de not_active Expired - Fee Related
- 1995-01-28 ES ES95101185T patent/ES2132440T3/es not_active Expired - Lifetime
- 1995-02-20 JP JP03118295A patent/JP3675871B2/ja not_active Expired - Fee Related
- 1995-02-23 US US08/394,018 patent/US5524777A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3912868C1 (de) * | 1989-02-20 | 1990-08-16 | Liebherr Werk Ehingen | Kranfahrzeug mit mindestens einer auf diesem ablebaren und an dessen Oberwagen ankuppelbaren Gegengewichtsplatte |
DE4124173A1 (de) * | 1991-07-20 | 1993-01-21 | Faun Gmbh | Kranfahrzeug |
FR2679893A1 (fr) * | 1991-08-01 | 1993-02-05 | Ppm | Grue mobile comportant une tourelle munie d'un contrepoids demontable. |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1607364A2 (fr) * | 2004-06-16 | 2005-12-21 | Liebherr-Werk Ehingen GmbH | Systeme de contrepoids d'une grue |
EP1607364A3 (fr) * | 2004-06-16 | 2006-08-09 | Liebherr-Werk Ehingen GmbH | Systeme de contrepoids d'une grue |
CN103133599A (zh) * | 2013-02-27 | 2013-06-05 | 中联重科股份有限公司 | 一种配重和一种制造配重的方法 |
CN103133599B (zh) * | 2013-02-27 | 2015-10-28 | 中联重科股份有限公司 | 一种配重和一种制造配重的方法 |
CN103342297A (zh) * | 2013-07-08 | 2013-10-09 | 徐州重型机械有限公司 | 一种滑动式平衡重安装架及起重机 |
CN103342297B (zh) * | 2013-07-08 | 2016-07-06 | 徐州重型机械有限公司 | 一种滑动式平衡重安装架及起重机 |
CN104444862A (zh) * | 2014-12-08 | 2015-03-25 | 徐州建机工程机械有限公司 | 一种动臂塔式起重机的平衡重结构 |
CN104444860A (zh) * | 2014-12-11 | 2015-03-25 | 徐州重型机械有限公司 | 一种挂接装置、平衡重装置和挂接方法 |
CN104444860B (zh) * | 2014-12-11 | 2016-10-05 | 徐州重型机械有限公司 | 一种挂接装置、平衡重装置和挂接方法 |
Also Published As
Publication number | Publication date |
---|---|
JPH07257879A (ja) | 1995-10-09 |
ES2132440T3 (es) | 1999-08-16 |
US5524777A (en) | 1996-06-11 |
DE59506061D1 (de) | 1999-07-08 |
JP3675871B2 (ja) | 2005-07-27 |
DE4405780A1 (de) | 1995-08-24 |
EP0669280B1 (fr) | 1999-06-02 |
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