CN201882827U - Automatic folding, turning and positioning support leg mechanism - Google Patents

Automatic folding, turning and positioning support leg mechanism Download PDF

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Publication number
CN201882827U
CN201882827U CN2010206225877U CN201020622587U CN201882827U CN 201882827 U CN201882827 U CN 201882827U CN 2010206225877 U CN2010206225877 U CN 2010206225877U CN 201020622587 U CN201020622587 U CN 201020622587U CN 201882827 U CN201882827 U CN 201882827U
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CN
China
Prior art keywords
support leg
oil cylinder
supporting leg
leg
elevator boom
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 - Fee Related
Application number
CN2010206225877U
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Chinese (zh)
Inventor
陆曹斌
宋昕迪
朱威
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.)
Xuzhou Heavy Machinery Co Ltd
Original Assignee
Xuzhou Heavy Machinery Co Ltd
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 Xuzhou Heavy Machinery Co Ltd filed Critical Xuzhou Heavy Machinery Co Ltd
Priority to CN2010206225877U priority Critical patent/CN201882827U/en
Application granted granted Critical
Publication of CN201882827U publication Critical patent/CN201882827U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an automatic folding, turning and positioning support leg mechanism and belongs to a self disassembling device of an engineering mechanical elevator boom. The support leg mechanism comprises a support leg, a support leg supporting oil cylinder, a support leg auxiliary oil cylinder, a connecting pin roll, an oil cylinder fixed shaft and a connecting hinged point of the support leg and an elevator boom, wherein the connecting hinged point of the support leg and the elevator boom is arranged at one end of the support leg; the other end of the support leg is connected with the support leg supporting oil cylinder through the connecting pin roll and the oil cylinder fixed shaft; hinges are arranged at one end of the support leg, which is positioned on the support leg supporting oil cylinder; and the support leg auxiliary oil cylinder is connected between the hinges. The automatic folding, turning and positioning support leg mechanism has the advantages that the support leg mechanism is arranged on the elevator boom, has a compact structure, small occupied space and high work efficiency, is simple and convenient for operation and is used for the self disassembling device of the elevator boom; under the condition without external hoisting equipment, a vertical oil cylinder can be automatically locked in the unfolding process and can be automatically unlocked in the folding process; and the quick installation and disassembly of the elevator boom of a crane can be realized and the compact space arrangement demand for an oversize tonnage crane can be met.

Description

An auto-folder upset location leg mechanism
Technical field
The utility model relates to a kind of self-disassembling device of construction machinery and equipment crane arm, particularly a kind of auto-folder upset location leg mechanism.
Background technology
In recent years, along with domestic full ground hoisting crane develops towards super-tonnage, complete vehicle weight is increasing; Domestic communication laws and regulations requirement car load road weight can not surpass 55 tons, just must carry out dismounting to some parts on the car during main frame transhipment.Crane arm occupies larger specific gravity in complete machine weight, generally can reach 20%~25%, and its ratio of large-tonnage is higher, removes crane arm, and is bigger to the contribution of main frame road weight.When the super-tonnage hoisting crane travels, even need remove the crane arm assembly.For realizing the fast assembling-disassembling of crane arm, need a kind of crane arm self-disassembling device of design in different places.
Construction machinery and equipment mainly adopts following two kinds leg mechanisms at present:
1, telescopic leg mechanism, the supporting leg that travels shrinks in the chassis, and the mode of operation supporting leg stretches out, and is used for hoisting crane more, and this organization cylinder can't folding;
2, oscillating type props up leg mechanism, and the motoring condition supporting leg is positioned at the side, chassis, and the swing of mode of operation supporting leg launches.Be used for pump truck, this organization cylinder can't folding more.
The crane arm self-disassembling device adopts supporting leg-oil cylinder mechanism.Each piece volumes of super-tonnage hoisting crane is generally very big, and the car load remaining space is narrow and small, and will satisfy the car load width less than 3 meters legal provisions.Supporting leg-the oil cylinder mechanism that is used for engineering machinery chassis at present takes up room greatly, can't be used for the crane arm self-disassembling device.The present invention just provides a kind of structural arrangement compactness and takes up room for a short time, easy and simple to handle, and the oil cylinder of high efficiency-Zhi leg mechanism is used for the crane arm self-disassembling device.
Have shortcoming: support oil cylinder can't folding, and it is big to take up room, and can't satisfy super-tonnage crane structure spatial destribution.
The utility model content
The purpose of this utility model is to provide a kind of: an auto-folder upset location leg mechanism, and solving support oil cylinder can't folding, and it is big to take up room, and can't satisfy the problem of super-tonnage crane structure spatial destribution.
The purpose of this utility model is achieved in that this leg mechanism comprises that supporting leg, supporting leg support cylinder, supporting leg auxiliary cylinder, connection bearing pin, oil cylinder anchor shaft are connected hinge with supporting leg with crane arm, one end of supporting leg has supporting leg to be connected hinge with crane arm, the other end of supporting leg is connected with the supporting leg support cylinder with the oil cylinder anchor shaft by connecting bearing pin, being positioned at supporting leg support cylinder one end at supporting leg has hinge, is connected with the supporting leg auxiliary cylinder between hinge.
Beneficial effect: owing to adopted such scheme, basic scheme of the present invention is to adopt the oscillating type leg structure, and supporting leg one end has supporting leg to be connected hinge with crane arm, adopts between institute's bracing or strutting arrangement and rotates the hinge connection; The supporting leg support cylinder adopts turning version, and support cylinder is promoted by auxiliary cylinder, moves and rotates around the oil cylinder anchor shaft; Can be locked when the supporting leg support cylinder is turned to the upright position by connecting the bearing pin self-orientation.
Adopt the oscillating type supporting leg, collapsible vertical cylinder structure; Having solved support oil cylinder can't folding, and it is big to take up room, and can't satisfy the problem of super-tonnage crane structure spatial destribution; Drive folding, the expansion of vertical oil cylinder by auxiliary overturning oil cylinder; But self-orientation is locked in the vertical oil cylinder expansion process, but automatic unlocking in the folding process; Having solved support oil cylinder can't folding, and it is big to take up room, and can't satisfy the problem of super-tonnage crane structure spatial destribution, has reached the purpose of this utility model.
Advantage: this leg mechanism is installed on the crane arm, and it is little, easy and simple to handle to arrange that compactness takes up room, and high efficiency is used for the crane arm self-disassembling device, under the condition by outside hanging device not, realizes the Fast Installation and the dismounting of crane boom.Satisfy the spatial destribution demand of super-tonnage hoisting crane compactness;
1, structural arrangement exquisiteness, it is little to take up room, and can satisfy the requirement of super-tonnage hoisting crane spatial destribution.
2, easy and simple to handle, high efficiency.But self-orientation is locked in the vertical oil cylinder expansion process, but automatic unlocking in the folding process.
Description of drawings
Fig. 1 is a constructional drawing of the present utility model.
Fig. 2 is a supporting leg collapsed state constructional drawing in the transportation of the present utility model.
Fig. 3 is a supporting leg deployed condition constructional drawing of the present utility model.
Fig. 4 is the front leg strut of the present utility model mechanism structure figure that is automatically locked.
Fig. 5 is the rear support leg of the present utility model mechanism structure figure that is automatically locked.
Fig. 6 is a supporting leg holding state constructional drawing of the present utility model.
Among the figure, 1, front leg strut; 2, front leg strut auxiliary cylinder; 3, front leg strut support cylinder, 4, rear support leg; 5, rear support leg support cylinder; 6, rear support leg auxiliary cylinder; 7, preceding oil cylinder connects bearing pin; 8, preceding oil cylinder anchor shaft; 9, the back connects bearing pin; 10, back oil cylinder anchor shaft; 11, front leg strut is connected hinge with crane arm; 12, rear support leg is connected hinge with crane arm.
The specific embodiment
Embodiment 1: this leg mechanism has front leg strut and rear support leg, and front leg strut is identical with the rear support leg structure, is installed in the position difference on the crane arm, is installed in crane arm front end and crane arm rear end respectively.
With the rear support leg is example, this leg mechanism comprises that rear support leg 4, rear support leg support cylinder 5, rear support leg auxiliary cylinder 6, back connect bearing pin 9, back oil cylinder anchor shaft 10 is connected hinge 12 with rear support leg with crane arm, one end of rear support leg 4 has rear support leg to be connected hinge 12 with crane arm, the other end of rear support leg 4 connects bearing pin 9 by the back and is connected with rear support leg support cylinder 5 with back oil cylinder anchor shaft 10, being positioned at rear support leg support cylinder one end at rear support leg has hinge, is connected with rear support leg auxiliary cylinder 6 between hinge.
The principle of work of a super-tonnage hoisting crane auto-folder upset location leg mechanism:
Design has a plurality of connection hinges on the crane arm, and supporting leg can be connected to an integral body with crane arm by hinge, when transport trolley is transported to assigned address with the crane arm assembly; Pull up the bearing pin that is connected of this device supporting leg and crane arm, again supporting leg is launched, insert fixed pin shaft; Pull up the bearing pin that is connected of vertical oil cylinder and support leg device, overturning oil cylinder drives vertical oil cylinder and is expanded to the upright position; Handling vertical oil cylinder rises this device; Vertical oil cylinder and supporting leg junction are slotted hole, and vertical oil cylinder and supporting leg adapter shaft and slotted hole relative position change in the rise process, and anchor shaft inserts fixed orifice automatically, make vertical oil cylinder fixing locked.Vertical oil cylinder drives crane arm and rises.Transport trolley is withdrawn original position; Can install crane arm adjustment this moment by control system.Vertical oil cylinder retraction after the installation, vertical oil cylinder is because of gravitate in the retraction process, and anchor shaft is deviate from from fixed orifice, and vertical oil cylinder automatically terminates fixedly locking state; Overturning oil cylinder drives vertical oil cylinder folding; Pull up fixed pin shaft, supporting leg is packed up, crane arm enters mode of operation then.
Dismounting crane arm assembly then is to carry out above-mentioned inverse operation to get final product.
This device can be adjusted the position of crane arm when crane arm is installed, position connecting twisted point, after having good positioning, by isolated plant the hinge axle is carried out dismounting.Realize improving the dismounting efficient of crane arm assembly and reduce dependence by this device is final auxiliary hanging device.

Claims (1)

1. leg mechanism is propped up in an auto-folder upset location, it is characterized in that: this leg mechanism comprises that supporting leg, supporting leg support cylinder, supporting leg auxiliary cylinder, connection bearing pin, oil cylinder anchor shaft are connected hinge with supporting leg with crane arm, one end of supporting leg has supporting leg to be connected hinge with crane arm, the other end of supporting leg is connected with the supporting leg support cylinder with the oil cylinder anchor shaft by connecting bearing pin, being positioned at supporting leg support cylinder one end at supporting leg has hinge, is connected with the supporting leg auxiliary cylinder between hinge.
CN2010206225877U 2010-11-24 2010-11-24 Automatic folding, turning and positioning support leg mechanism Expired - Fee Related CN201882827U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206225877U CN201882827U (en) 2010-11-24 2010-11-24 Automatic folding, turning and positioning support leg mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010206225877U CN201882827U (en) 2010-11-24 2010-11-24 Automatic folding, turning and positioning support leg mechanism

Publications (1)

Publication Number Publication Date
CN201882827U true CN201882827U (en) 2011-06-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010206225877U Expired - Fee Related CN201882827U (en) 2010-11-24 2010-11-24 Automatic folding, turning and positioning support leg mechanism

Country Status (1)

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CN (1) CN201882827U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102381291A (en) * 2011-09-14 2012-03-21 三一重工股份有限公司 Retractable support leg and engineering machine with same
CN107337118A (en) * 2017-08-11 2017-11-10 徐州东力锻压机械有限公司 A kind of crane arm assembles auxiliary support apparatus
CN107755844A (en) * 2017-10-31 2018-03-06 南京奥特自动化有限公司 A kind of displacement overturning mechanism
CN108298443A (en) * 2017-12-12 2018-07-20 湖南百特随车起重机有限公司 Support oil cylinder device
CN111002617A (en) * 2019-12-27 2020-04-14 浙江威帕科智能装备有限公司 Small-size domestic hydraulic press with conveniently accomodate function

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102381291A (en) * 2011-09-14 2012-03-21 三一重工股份有限公司 Retractable support leg and engineering machine with same
CN102381291B (en) * 2011-09-14 2014-09-10 三一汽车制造有限公司 Retractable support leg and engineering machine with same
CN107337118A (en) * 2017-08-11 2017-11-10 徐州东力锻压机械有限公司 A kind of crane arm assembles auxiliary support apparatus
CN107755844A (en) * 2017-10-31 2018-03-06 南京奥特自动化有限公司 A kind of displacement overturning mechanism
CN108298443A (en) * 2017-12-12 2018-07-20 湖南百特随车起重机有限公司 Support oil cylinder device
CN108298443B (en) * 2017-12-12 2020-01-10 湖南百特随车起重机有限公司 Supporting leg oil cylinder device
CN111002617A (en) * 2019-12-27 2020-04-14 浙江威帕科智能装备有限公司 Small-size domestic hydraulic press with conveniently accomodate function
CN111002617B (en) * 2019-12-27 2021-08-31 浙江升豪机械有限公司 Small-size domestic hydraulic press with conveniently accomodate function

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110629

Termination date: 20191124

CF01 Termination of patent right due to non-payment of annual fee