WO2011072523A1 - Dispositif de support de grue et grue - Google Patents

Dispositif de support de grue et grue Download PDF

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Publication number
WO2011072523A1
WO2011072523A1 PCT/CN2010/074704 CN2010074704W WO2011072523A1 WO 2011072523 A1 WO2011072523 A1 WO 2011072523A1 CN 2010074704 W CN2010074704 W CN 2010074704W WO 2011072523 A1 WO2011072523 A1 WO 2011072523A1
Authority
WO
WIPO (PCT)
Prior art keywords
leg
support device
crane
support
oil
Prior art date
Application number
PCT/CN2010/074704
Other languages
English (en)
Chinese (zh)
Inventor
任利有
叶明�
郎根峰
Original Assignee
湖南三一智能控制设备有限公司
三一汽车制造有限公司
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
Publication date
Application filed by 湖南三一智能控制设备有限公司, 三一汽车制造有限公司 filed Critical 湖南三一智能控制设备有限公司
Publication of WO2011072523A1 publication Critical patent/WO2011072523A1/fr

Links

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
    • B66C23/78—Supports, e.g. outriggers, for mobile cranes
    • B66C23/80—Supports, e.g. outriggers, for mobile cranes hydraulically actuated

Definitions

  • the present invention relates to the field of heavy machinery, and in particular to an auxiliary support device for a crane leg and a crane having the same.
  • a support device commonly known as a leg
  • the legs are generally provided by a fixed leg box, a movable leg and a vertical setting.
  • Oil rainbow composition In order to obtain a larger leg span, multiple levels of active legs are often used. However, when multi-level activity is used, the vertical oil rainbow is generally located at the end of the last-level activity.
  • a support device for a crane comprising: a fixed leg box disposed at a bottom of the crane; a leg disposed in the fixed leg box, and Horizontally telescopically movable relative to the fixed leg box; the main leg supporting device is disposed under the leg and supported at the end of the leg; in particular, the supporting device further includes an auxiliary leg supporting device, which is detachably disposed at the support Below the support to support the moon.
  • a supporting device for a crane wherein the leg is a secondary leg comprising two primary and secondary legs that are nested with each other and that are expandable and slidable in a horizontal direction relative to each other The leg, wherein one end of the first leg is sleeved in the fixed leg box and the other end is connected to one end of the last leg, and the other end of the second leg is mounted with the main leg supporting device below.
  • the supporting device of the crane according to the present invention wherein the auxiliary leg supporting device is disposed below the primary support.
  • a support device for a crane wherein the legs are multi-stage legs
  • the utility model comprises a plurality of first leg legs, a final leg and at least one intermediate leg which are nested with each other and can be slidably and horizontally slidable relative to each other, wherein one end of the first leg is sleeved on the fixed branch In the Yueyue box, one end of the last stage is installed with a main support device below, and the other end of the first stage is connected to the other end of the last stage by at least one intermediate support.
  • the supporting device of the crane according to the present invention wherein the auxiliary leg supporting device is disposed under any of the plurality of legs except the last leg.
  • the supporting device of the crane according to the present invention wherein the auxiliary leg supporting device comprises: an oil cylinder disposed perpendicular to the leg, the piston rod of the piston disposed in the oil cylinder is supported below the leg; and connected to the oil and gas The oil tank of the rainbow oil storage chamber is provided with a switch between the oil cylinder and the oil tank. Further, the supporting device of the crane according to the present invention, wherein the auxiliary leg supporting device further comprises: an accumulator connected to the gas storage chamber of the oil and gas rainbow through a passage in the piston rod. According to a second aspect of the invention, there is provided a crane equipped with a support device according to the first aspect of the invention.
  • the supporting device for a crane according to the present invention includes an auxiliary leg supporting device that can be detachably disposed under the leg and supported together with the main leg supporting device The legs are unfolded, thereby increasing the stiffness of the legs and reducing the risk of creating large deflections.
  • the above general description and the following detailed description of the invention are intended to be illustrative of the nature of the invention.
  • BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in FIG The drawings illustrate some embodiments of the invention and, together with The same components are denoted by the same reference numerals in the drawings.
  • 1 is a schematic structural view of a supporting device for a crane according to an embodiment of the present invention
  • FIG. 1 is a view showing a configuration of a supporting auxiliary device for a leg in a supporting device for a crane according to an embodiment of the present invention
  • the support apparatus 10 comprising: a fixed leg box 11 disposed at the bottom of a crane (not shown); a leg 12, It is sleeved in the fixed leg box 11 and can be horizontally telescopically moved relative to the fixed leg box 11; the main leg supporting device 13 is disposed below the leg 12 and supported at the end of the leg.
  • the present support device 10 further includes an auxiliary leg support device 14 that is removably disposed below the leg 12 to support the support member 12.
  • the manner in which the auxiliary support support device 13 is detachably mountable can be designed according to the actual application.
  • a suitable clamping device can be provided on the top of the auxiliary leg support device 13 so as to be convenient when placed under the leg 12.
  • the ground clamps the legs 12, and those skilled in the art can design various suitable clamping devices according to actual needs, and will not be described again.
  • the above-mentioned main support device 13 is an oil rainbow which is vertically disposed below the support member 12 so as to be subjected to a load from the vertical direction of the support member 12, as is known to those skilled in the art.
  • the piston rod 13a of the cylinder 13 can be expanded and contracted in the vertical direction under the load it receives, and the liquid pressure in the oil red 13 is adjusted in real time in accordance with the telescopic movement of the piston rod 13a.
  • the above-mentioned leg 13 can use the leg of the integral structure, although the integral leg is usually only equipped with the above-mentioned main leg supporting device 13, but in the case of a large vertical load, in order to prevent the leg 12 from being If deformation or even damage occurs under an excessive load, the auxiliary leg supporting device 14 may be additionally provided in order to increase the structural stability of the supporting device 13.
  • the leg 12 can also be a stepped leg, which can include two or more grading legs. In the support device 13 shown in FIG.
  • the leg 12 includes two grading legs, that is, the leg 12 is two.
  • the stage legs will be described below with continued reference to FIG.
  • the support 12 includes two primary legs 15 and two secondary legs 16 that are nested with each other and that are telescopically slidable relative to each other in a horizontal direction, wherein the primary legs 15 One end is sleeved in the fixed escape box 11, and the other end of the first branch 15 is connected to one end of the last stage branch 16 (one end of the last stage branch 16 is sleeved in the other end of the first stage branch 15 And the other end of the secondary support 16 is mounted with a main leg support device 13 below.
  • auxiliary leg support device 14 By adding the auxiliary leg support device 14, so that when the Yueyue 12 is fully deployed, both the primary escape 15 and the secondary support 16 are equipped with their own supporting means, thereby increasing the overall rigidity of the leg 12, It will be deformed and unstable due to the excessive span after deployment.
  • the auxiliary leg supporting device 14 is disposed below the primary leg 15, but this arrangement is not inevitable, depending on the actual structure of the leg 12, for example, if the primary leg 15 and the secondary branch
  • the leg 16 itself has a relatively long length, and a corresponding auxiliary leg support device can also be provided under each of the grades. That is to say, the set position and the specific number of the auxiliary leg supporting devices are not unique, but are flexibly configured according to the actual structure of the bundling 12.
  • the escaping 12 may also be extended to a multi-stage escaping, which includes a plurality of primary legs that are nested with each other and that are telescopically slidable relative to each other in the horizontal direction ( a primary leg 15), a final leg (such as the secondary leg 16 in the embodiment of Fig. 1) of the embodiment of Fig. 1, and at least a first intermediate leg (not shown), wherein One end of the leg is sleeved in the fixed moon box 11, and the other end of the first branch is connected with one end of the last branch through at least one intermediate intermediate, and the other end of the last branch is installed below.
  • a main support device 13 There is a main support device 13.
  • the auxiliary leg support device 14 is disposed below any of the plurality of legs 12 except the last leg.
  • the corresponding auxiliary leg support device can also be provided under the final leg.
  • the structure of the auxiliary leg supporting device 14 in the supporting device of the crane according to the present invention will be explained with reference to Fig. 2, the auxiliary leg supporting device 14 comprising: an oil cylinder 17 disposed perpendicularly to the leg 12, disposed in the oil and gas rainbow The piston rod 19 of the piston 18 in the 17 is supported below the leg 12; the oil tank 20 connected to the oil reservoir 17a of the oil and gas rainbow 17, and the switch 21 are disposed between the oil cylinder 17 and the oil tank 20.
  • the on-off valve 21 is for controlling the amount of oil in the oil reservoir chamber 17a of the oil cylinder 17, thereby changing the telescopic length of the piston rod 19, thereby adjusting the balance supporting force provided by the oil cylinder 17.
  • the auxiliary leg support device 14 of FIG. 2 further includes: through the passage 19a in the piston rod 19, the gas storage chamber 17b of the oil and gas rainbow 17 is connected to the accumulator 22.
  • the accumulator 22 can be used to control the preset pressure of the oil cylinder 17 to adapt to different loads of the crane under different working conditions.
  • the preset pressure of the oil cylinder 17 is determined according to the load bearing the leg 12 .
  • the load on the legs 12 is determined by the actual operating conditions.
  • the hydraulic cylinder 17 is used to replace the hydraulic oil rainbow commonly used in the conventional crane supporting device.
  • the crane supporting device 10 of the present invention has a relatively simple structure and is easy to be disassembled and installed. It should be noted that, in accordance with the spirit of the present invention, a crane equipped with a support device for a crane according to the present invention is also within the scope of the present invention.
  • the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

L'invention concerne un dispositif de support de grue et une grue. Le dispositif de support comprend un boîtier de stabilisateur fixe (11) placé sur la surface inférieure de la grue, un stabilisateur (12) emmanché dans le boîtier de stabilisateur fixe (11) et mobile de manière télescopique dans une direction horizontale par rapport au boîtier de stabilisateur fixe (11) et un dispositif de support de stabilisateur principal (13) agencé sous le stabilisateur (12) et situé à l'extrémité arrière du stabilisateur. Le dispositif de support comprend également un dispositif de support de stabilisateur secondaire (14) agencé de manière détachable sous le stabilisateur (12) pour le supporter.
PCT/CN2010/074704 2009-12-15 2010-06-29 Dispositif de support de grue et grue WO2011072523A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200920292886.6 2009-12-15
CN2009202928866U CN201670672U (zh) 2009-12-15 2009-12-15 起重机的支撑装置

Publications (1)

Publication Number Publication Date
WO2011072523A1 true WO2011072523A1 (fr) 2011-06-23

Family

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Family Applications (1)

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PCT/CN2010/074704 WO2011072523A1 (fr) 2009-12-15 2010-06-29 Dispositif de support de grue et grue

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CN (1) CN201670672U (fr)
WO (1) WO2011072523A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103086288A (zh) * 2013-01-24 2013-05-08 中联重科股份有限公司 车架的支撑结构和工程设备
DE102011119654A1 (de) 2011-11-29 2013-05-29 Liebherr-Werk Ehingen Gmbh Mobile Arbeitsmaschine, insbesondere Fahrzeugkran
CN103407433A (zh) * 2013-07-23 2013-11-27 北汽福田汽车股份有限公司 多级伸缩支腿的安装结构与工程机械
DE102013000463A1 (de) * 2013-01-03 2014-07-03 Terex Cranes Germany Gmbh Mobiles Arbeitsgerät, insbesondere Mobilkran

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103010180B (zh) * 2012-12-19 2015-07-15 徐州徐工施维英机械有限公司 伸缩式支腿装置及臂架类工程机械设备
CN103663199B (zh) * 2013-12-13 2015-11-18 中联重科股份有限公司 起重机械
CN103964324B (zh) * 2014-04-23 2016-08-17 中联重科股份有限公司 支腿配重装置及包括该支腿配重装置的起重机
DE102014008117A1 (de) * 2014-06-03 2015-12-03 Liebherr-Werk Ehingen Gmbh Mobile Arbeitsmaschine mit Abstützung und Verlängerung zur Verbreiterung der Stützbasis
CN107878328A (zh) * 2017-11-16 2018-04-06 茅嘉楠 一种工程车辆支腿镜检测装置
CN108907467B (zh) * 2018-07-11 2020-04-24 云南电网有限责任公司电力科学研究院 一种用于激光器的自动调平装置
CN109052199B (zh) * 2018-09-30 2024-01-19 三一汽车制造有限公司 支腿组件和机械设备
CN109226679A (zh) * 2018-10-13 2019-01-18 广东嗨学云教育科技有限公司 一种无模铸型快速成型制造装备
CN109534185A (zh) * 2018-12-21 2019-03-29 贺州学院 一种装配式构件吊装设备

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CN2058906U (zh) * 1989-09-09 1990-07-04 山海关船厂 船坞自动边墩
CN2789209Y (zh) * 2005-03-24 2006-06-21 徐州重型机械有限公司 起重机水平支腿伸缩状态检测装置
CN2937072Y (zh) * 2006-08-09 2007-08-22 济宁市鲁星工程机械有限责任公司 双套筒伸缩油缸控制三节支腿伸缩装置
CN101219757A (zh) * 2008-01-29 2008-07-16 湖南三一起重机械有限公司 一种可移动起重设备支腿及具有该支腿的可移动起重设备
CN201087089Y (zh) * 2007-09-20 2008-07-16 徐州重型机械有限公司 负倾角结构的起重机支腿装置
CN201166022Y (zh) * 2008-02-27 2008-12-17 长沙中联重工科技发展股份有限公司 一种起重机用液压蓄压器油缸
CN201220896Y (zh) * 2008-03-11 2009-04-15 徐州徐工随车起重机有限公司 双级伸缩内置油管支腿

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2058906U (zh) * 1989-09-09 1990-07-04 山海关船厂 船坞自动边墩
CN2789209Y (zh) * 2005-03-24 2006-06-21 徐州重型机械有限公司 起重机水平支腿伸缩状态检测装置
CN2937072Y (zh) * 2006-08-09 2007-08-22 济宁市鲁星工程机械有限责任公司 双套筒伸缩油缸控制三节支腿伸缩装置
CN201087089Y (zh) * 2007-09-20 2008-07-16 徐州重型机械有限公司 负倾角结构的起重机支腿装置
CN101219757A (zh) * 2008-01-29 2008-07-16 湖南三一起重机械有限公司 一种可移动起重设备支腿及具有该支腿的可移动起重设备
CN201166022Y (zh) * 2008-02-27 2008-12-17 长沙中联重工科技发展股份有限公司 一种起重机用液压蓄压器油缸
CN201220896Y (zh) * 2008-03-11 2009-04-15 徐州徐工随车起重机有限公司 双级伸缩内置油管支腿

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011119654A1 (de) 2011-11-29 2013-05-29 Liebherr-Werk Ehingen Gmbh Mobile Arbeitsmaschine, insbesondere Fahrzeugkran
DE102011119654B4 (de) * 2011-11-29 2015-11-12 Liebherr-Werk Ehingen Gmbh Mobile Arbeitsmaschine, insbesondere Fahrzeugkran
DE102013000463A1 (de) * 2013-01-03 2014-07-03 Terex Cranes Germany Gmbh Mobiles Arbeitsgerät, insbesondere Mobilkran
EP2752384A1 (fr) * 2013-01-03 2014-07-09 Terex Cranes Germany GmbH Engin mobile, notamment grue mobile
CN103086288A (zh) * 2013-01-24 2013-05-08 中联重科股份有限公司 车架的支撑结构和工程设备
CN103086288B (zh) * 2013-01-24 2014-12-10 中联重科股份有限公司 车架的支撑结构和工程设备
CN103407433A (zh) * 2013-07-23 2013-11-27 北汽福田汽车股份有限公司 多级伸缩支腿的安装结构与工程机械
CN103407433B (zh) * 2013-07-23 2015-08-12 北汽福田汽车股份有限公司 多级伸缩支腿的安装结构与工程机械

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