CN102001589A - Automobile crane - Google Patents

Automobile crane Download PDF

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Publication number
CN102001589A
CN102001589A CN 201010611746 CN201010611746A CN102001589A CN 102001589 A CN102001589 A CN 102001589A CN 201010611746 CN201010611746 CN 201010611746 CN 201010611746 A CN201010611746 A CN 201010611746A CN 102001589 A CN102001589 A CN 102001589A
Authority
CN
China
Prior art keywords
support leg
oscillating support
leg
car hosit
oscillating
Prior art date
Application number
CN 201010611746
Other languages
Chinese (zh)
Inventor
李安强
吴国锐
Original Assignee
三一汽车起重机械有限公司
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 三一汽车起重机械有限公司 filed Critical 三一汽车起重机械有限公司
Priority to CN 201010611746 priority Critical patent/CN102001589A/en
Publication of CN102001589A publication Critical patent/CN102001589A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes 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
    • B66C23/62Constructional features or details
    • B66C23/72Counterweights or supports for balancing lifting couples
    • B66C23/78Supports, e.g. outriggers, for mobile cranes
    • B66C23/80Supports, e.g. outriggers, for mobile cranes hydraulically actuated

Abstract

The invention discloses an automobile crane, which comprises a first swing leg and a second swing leg pivoted on a frame behind a rotating center, and a driving device which drives the first swing leg and the second swing leg to swing, wherein the first swing leg and the second swing leg are under the crossing folding condition and the splayed unfolding condition at the tail. The automobile crane is short in rear suspension, compact in structure, light in weight and wide in span, thereby improving the stability of the automobile crane.

Description

Car hosit
Technical field
The present invention relates to car hosit, relate in particular to the improvement of the rear support leg of car hosit.
Background technology
At present, four traditional bridge car hosit supporting legs all are arranged to the telescopic outrigger that " H " type makes up.Fig. 1 shows the structural representation of four traditional bridge car hosits.As shown in Figure 1, four bridge car hosits comprise first bridge 2 ', second bridge 3 ', third axle 5 ' and the 4th bridge 6 ', front leg strut 4 ' is arranged in second bridge, 3 ' back, rear support leg 7 ' is arranged in the 4th bridge 6 ' back, in the front of first bridge 2 ' the 5th supporting leg 1 ' is set usually in order to increase the place ahead stability.This supporting leg mode is comparatively simple from structure, is convenient to make, and it is also convenient to install.
Continuous increase along with the car hosit tonnage, consider from stable aspect, the longer the better for the rear overhang part (being the rear subframe of center of gyration) of vehicle frame, rear support leg moves after should trying one's best, promote the stability of car hosit with the span that increases the relative front leg strut of rear support leg, yet, consider from the departure angle aspect, the rear overhang of vehicle frame part is short more good more, so as car hosit from the slope time rear overhang part not can with domatic interference.
In existing car hosit, adopt forward and backward fixed supporting leg case, the rear support leg span is determined by the installation site of fixed supporting leg case, increase along with four bridge hoisting crane tonnages, for satisfying the rear stability requirement, require the rear support leg span to strengthen, be subjected to the restriction of departure angle, rear support leg moves after can not be too much, causes stability not meet the demands.
Summary of the invention
The object of the present invention is to provide and a kind of rear support leg is carried out improved car hosit, to solve the problem that departure angle and stability can not be taken into account.
For this reason, the invention provides a kind of car hosit, comprise first oscillating support leg, second oscillating support leg on the rear subframe that is articulated in center of gyration and drive first oscillating support leg and actuating device that second oscillating support leg is swung, wherein, first oscillating support leg and second oscillating support leg have at the tailstock and are the folded state of intersect receiving.
Further, above-mentioned actuating device is an oil cylinder.
Further, above-mentioned first oscillating support leg and second oscillating support leg have at least one joint movable supporting legs respectively and drive the flexible retractor device of at least one joint movable supporting legs, and wherein, the minor details movable supporting legs is provided with vertical leg.
Further, the rear subframe of above-mentioned center of gyration is dovetail form, and first oscillating support leg and second oscillating support leg are positioned at the left and right sides on dovetail form base.
Further, above-mentioned first oscillating support leg and second oscillating support leg are staggeredly arranged in the short transverse of car hosit.
Further, above-mentioned car hosit comprises four vehicle bridge, is provided with front leg strut at the rear portion of second bridge.Further, above-mentioned front leg strut is fixed supporting leg or oscillating support leg.
Further, the part with the oscillating support leg overlap joint with the part vehicle frame overlap joint and vehicle frame above-mentioned each oscillating support leg is body structure, and wherein, the drive-connecting shaft of each oscillating support leg and vehicle frame is a hollow shaft.
Compared with prior art, the present invention has the following advantages: 1, rear overhang is shorter during motoring condition, compact conformation, and weight is lighter; 2, the respective distance of employing " H " the type combination telescopic outrigger of the same relatively span of the fore-and-aft distance of the back and front supporting point on the vehicle frame back segment is much smaller during mode of operation, thereby has strengthened the intensity of vehicle frame back segment; 3, can strengthen span, improve the stability of car hosit.
Except purpose described above, feature and advantage, other purpose, feature and advantage that the present invention has will be described in further detail in conjunction with the accompanying drawings.
Description of drawings
Constitute this specification sheets a part, be used for further understanding accompanying drawing of the present invention and show the preferred embodiments of the present invention, and be used for illustrating principle of the present invention with specification sheets.Among the figure:
Fig. 1 shows the structural representation of four bridge car hosits of prior art;
Fig. 2 shows the schematic layout pattern of the back oscillating support leg of four bridge car hosits according to the preferred embodiment of the invention, and wherein, back oscillating support leg is in to intersect receives overlapping state;
Fig. 3 shows the lateral plan of vehicle frame shown in Figure 2;
The back oscillating support leg that Fig. 4 shows vehicle frame shown in Figure 2 is in the scheme drawing of splayed deployed condition; And
Fig. 5 shows the lateral plan of vehicle frame shown in Figure 4.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Fig. 2 to Fig. 5 shows the schematic layout pattern that has the car hosit of back oscillating support leg according to the preferred embodiment of the invention.Extremely shown in Figure 5 as Fig. 2, be articulated in first oscillating support leg 3, second oscillating support leg 4 on the rear subframe 2 of center of gyration 1 and drive the oil cylinder 5 that first oscillating support leg swings and drive the oil cylinder 6 that second oscillating support leg is swung, and first oscillating support leg 3 and second oscillating support leg 4 are to intersect when transportation receives overlapping state, in work time-histories splayed deployed condition.
Usually the vehicle frame part all is called the vehicle frame back segment after the front leg strut, and rear overhang partly is meant the distance of last bridge to the vehicle frame caudal end.
In the present invention, by rear support leg being changed into telescopic oscillating support leg, thereby solved the not enough problem of vehicle frame stability, simultaneously, cancellation back fixed supporting leg case has directly alleviated vehicle frame weight, and has solved problem such as departure angle deficiency.After lead leg and turn round towards the rear when regaining, help shortening the distance of vehicle frame back segment and center of gyration, thereby improve its intensity.Oscillating support leg shrinks when putting in place fully, and is cross-shaped, helps reducing rear overhang length, increases departure angle.
Wherein, make first oscillating support leg 3 and second oscillating support leg 4 time be to intersect and receive overlapping state, can realize by first oscillating support leg 3 and second oscillating support leg 4 are staggeredly arranged in the short transverse of car hosit in transportation.Certainly, also can realize, for example partly be arranged to move up and down, when transportation with the vehicle frame of first oscillating support leg, 3 pivot joints by alternate manner, first oscillating support leg 3 is staggered with respect to second oscillating support leg 4 on short transverse, when work, be positioned at same plane.
In the preferred embodiment of the present invention, driving the actuating device that first oscillating support leg and second oscillating support leg swing is oil cylinder 5 and oil cylinder 6.In other embodiments, oscillating support leg can be realized the swing of first oscillating support leg and second oscillating support leg and receive folded with gear drive gear ring rotating manner.Particularly, on first oscillating support leg and second oscillating support leg on be provided with respectively gear ring and with same driven wheel engaged transmission, this driven wheel can be driven or driven by shaking automatically by actuating devices such as HM Hydraulic Motor or motors.
In the preferred embodiment of the present invention, first oscillating support leg 3 comprises oscillating support leg case 31, be arranged in the oscillating support leg case a joint movable supporting legs 32, drive the flexible oil cylinder (not shown) of movable supporting legs and be installed in vertical leg 33 on the movable supporting legs 32.Second oscillating support leg 4 comprises oscillating support leg case 41, be arranged in the oscillating support leg case a joint movable supporting legs 42, drive the flexible oil cylinder (not shown) of movable supporting legs 42 and be installed in vertical leg 43 on the movable supporting legs 42.
In according to other embodiments of the invention, first oscillating support leg 3 and second oscillating support leg 4 can have two joint movable supporting legs, at this moment, drive movable supporting legs 42 flexible retractor devices and can adopt the oil cylinder on the existing fixed supporting leg to add the type of drive that rope is arranged.
In the preferred embodiment of the present invention, the rear subframe 2 of center of gyration 1 is dovetail form, and the left and right sides on the base of dovetail form rear subframe is provided with the mount pad for first oscillating support leg 3 and 4 pivot joints of second oscillating support leg.In other embodiments of the invention, the rear subframe of center of gyration 1 also can be T font or other and is convenient to shape that first oscillating support leg 3 and second oscillating support leg 4 are kept at a certain distance away and install.
The rear subframe 2 of dovetail form satisfies following designing requirements easily: not super car load was wide after the determining of the installation site of the pivotal axis of back oscillating support leg will satisfy the longitudinal and transverse span of hoisting crane and supporting leg withdrawal, will guarantee also that simultaneously rear overhang can not be long, departure angle meets design requirement.
In the preferred embodiment of the present invention, car hosit comprises four vehicle bridge, is respectively first bridge 7, second bridge 8, third axle 9 and the 4th bridge 10, wherein, is provided with front leg strut 11 at the rear portion of second bridge 8, and this front leg strut 11 is a fixed supporting leg.In other embodiments, this front leg strut 11 also can be oscillating support leg, can be about the set-up mode of oscillating support leg with reference to Chinese utility model patent CN200820176517.6, and its full content is incorporated into that this is for reference.
In the preferred embodiment of the present invention, the part with each oscillating support leg overlap joint of the rear subframe 2 of each oscillating support leg 3,4 and part vehicle frame overlap joint and center of turn 1 is body structure, to improve local strength, wherein, the drive-connecting shaft 12 of each oscillating support leg and vehicle frame is a hollow shaft, is convenient to install and expendable weight.
Compared with prior art, the present invention has the following advantages:
1, rear overhang is shorter during motoring condition, compact conformation, and weight is lighter;
2, the respective distance of employing " H " the type combination telescopic outrigger of the same relatively span of the fore-and-aft distance of the back and front supporting point on the vehicle frame back segment is much smaller during mode of operation, thereby has strengthened the intensity of vehicle frame back segment;
3, can strengthen span behind employing this programme, effectively improve the stability of car hosit.
Be the preferred embodiments of the present invention only below, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
The Reference numeral explanation
1 center of rotation, 2 rear subframes
3 first swing supporting legs, 4 second swing supporting legs
5,6 oil cylinders, 7 first bridges
8 second bridges 9 the 3rd bridge
10 the 4th bridges, 11 front leg struts
12 drive-connecting shafts 31,41 swing supporting leg casees
32,42 movable supporting legs, 33,43 vertical leg.

Claims (8)

1. car hosit, it is characterized in that, comprise first oscillating support leg (3), second oscillating support leg (4) on the rear subframe (2) that is articulated in center of gyration and drive described first oscillating support leg (3) and actuating device that second oscillating support leg (4) is swung, wherein, described first oscillating support leg (3) and second oscillating support leg (4) have at the tailstock and are the folded state of intersect receiving.
2. car hosit according to claim 1 is characterized in that, described actuating device is oil cylinder (5,6).
3. car hosit according to claim 1, it is characterized in that, described first oscillating support leg and second oscillating support leg have at least one joint movable supporting legs (32,42) respectively and drive the flexible retractor device of described at least one joint movable supporting legs, wherein, the minor details movable supporting legs is provided with vertical leg (33,43).
4. car hosit according to claim 1 is characterized in that, the rear subframe of described center of gyration (2) is dovetail form, and described first oscillating support leg (3) and second oscillating support leg (4) are positioned at the left and right sides on described dovetail form base.
5. car hosit according to claim 1 is characterized in that, described first oscillating support leg (3) and second oscillating support leg (4) are staggeredly arranged in the short transverse of car hosit.
6. car hosit according to claim 1 is characterized in that, comprises four vehicle bridge (7,8,9,10), is provided with front leg strut (11) at the rear portion of described second bridge (8).
7. car hosit according to claim 6 is characterized in that, described front leg strut (11) is fixed supporting leg or oscillating support leg.
8. car hosit according to claim 1, it is characterized in that, the part with the oscillating support leg overlap joint with the part vehicle frame overlap joint and described vehicle frame each oscillating support leg (3,4) is body structure, and wherein, the drive-connecting shaft (12) of described each oscillating support leg and vehicle frame is a hollow shaft.
CN 201010611746 2010-12-28 2010-12-28 Automobile crane CN102001589A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201010611746 CN102001589A (en) 2010-12-28 2010-12-28 Automobile crane

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN 201010611746 CN102001589A (en) 2010-12-28 2010-12-28 Automobile crane
PCT/CN2011/076385 WO2012088858A1 (en) 2010-12-28 2011-06-27 Truck crane

Publications (1)

Publication Number Publication Date
CN102001589A true CN102001589A (en) 2011-04-06

Family

ID=43809341

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201010611746 CN102001589A (en) 2010-12-28 2010-12-28 Automobile crane

Country Status (2)

Country Link
CN (1) CN102001589A (en)
WO (1) WO2012088858A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102343942A (en) * 2011-06-16 2012-02-08 三一汽车起重机械有限公司 Crane and frame
WO2012088858A1 (en) * 2010-12-28 2012-07-05 湖南三一智能控制设备有限公司 Truck crane
CN103303809A (en) * 2013-06-26 2013-09-18 北京诚田恒业煤矿设备有限公司 Turret type hydraulic loader for underground coal mine
CN103723198A (en) * 2013-11-12 2014-04-16 徐州重型机械有限公司 Wheel crane and frame structure thereof
CN106276641A (en) * 2016-08-31 2017-01-04 徐州重型机械有限公司 Body frame structure for automotive and crane
CN111847236A (en) * 2020-09-24 2020-10-30 湖南三一中型起重机械有限公司 Supporting leg device, chassis frame structure of crane and crane

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US6360905B1 (en) * 1999-08-04 2002-03-26 Liebherr-Werk Ehingen Gmbh Crawler-mounted crane with detachable lateral stablizers
CN1440364A (en) * 2000-07-07 2003-09-03 粉刷师股份公司 Support booms for mobile working machines and mobile concrete pump with said support booms
CN201065308Y (en) * 2007-04-29 2008-05-28 上海三一科技有限公司 Crawler crane
CN201292227Y (en) * 2008-11-19 2009-08-19 三一汽车制造有限公司 Front swing support of truck crane and truck crane having the same
DE102008032739A1 (en) * 2008-06-13 2009-12-17 Liebherr-Werk Ehingen Gmbh Mobile crane e.g. crawler crane, has connection elements at undercarriage in area of rotary rim and provided for detachable connection with lateral support units, where undercarriage has rim on which upper carriage is mounted at rotary axis
CN201619993U (en) * 2010-03-26 2010-11-03 北京中冀福庆专用车有限公司 Movable micro crane whole structure
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CN202016815U (en) * 2010-12-28 2011-10-26 三一汽车起重机械有限公司 Automobile crane

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CN102001589A (en) * 2010-12-28 2011-04-06 三一汽车起重机械有限公司 Automobile crane

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Publication number Priority date Publication date Assignee Title
US6360905B1 (en) * 1999-08-04 2002-03-26 Liebherr-Werk Ehingen Gmbh Crawler-mounted crane with detachable lateral stablizers
CN1440364A (en) * 2000-07-07 2003-09-03 粉刷师股份公司 Support booms for mobile working machines and mobile concrete pump with said support booms
CN201065308Y (en) * 2007-04-29 2008-05-28 上海三一科技有限公司 Crawler crane
DE102008032739A1 (en) * 2008-06-13 2009-12-17 Liebherr-Werk Ehingen Gmbh Mobile crane e.g. crawler crane, has connection elements at undercarriage in area of rotary rim and provided for detachable connection with lateral support units, where undercarriage has rim on which upper carriage is mounted at rotary axis
CN201292227Y (en) * 2008-11-19 2009-08-19 三一汽车制造有限公司 Front swing support of truck crane and truck crane having the same
CN201619993U (en) * 2010-03-26 2010-11-03 北京中冀福庆专用车有限公司 Movable micro crane whole structure
CN201660381U (en) * 2010-04-21 2010-12-01 东台市富康工程机械厂 Special sling cart for high-speed railway
CN202016815U (en) * 2010-12-28 2011-10-26 三一汽车起重机械有限公司 Automobile crane

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012088858A1 (en) * 2010-12-28 2012-07-05 湖南三一智能控制设备有限公司 Truck crane
CN102343942A (en) * 2011-06-16 2012-02-08 三一汽车起重机械有限公司 Crane and frame
CN103303809A (en) * 2013-06-26 2013-09-18 北京诚田恒业煤矿设备有限公司 Turret type hydraulic loader for underground coal mine
CN103723198A (en) * 2013-11-12 2014-04-16 徐州重型机械有限公司 Wheel crane and frame structure thereof
CN103723198B (en) * 2013-11-12 2016-08-17 徐州重型机械有限公司 A kind of wheeled crane and body frame structure for automotive thereof
CN106276641A (en) * 2016-08-31 2017-01-04 徐州重型机械有限公司 Body frame structure for automotive and crane
CN106276641B (en) * 2016-08-31 2018-08-28 徐州重型机械有限公司 Body frame structure for automotive and crane
CN111847236A (en) * 2020-09-24 2020-10-30 湖南三一中型起重机械有限公司 Supporting leg device, chassis frame structure of crane and crane
CN111847236B (en) * 2020-09-24 2021-01-26 湖南三一中型起重机械有限公司 Supporting leg device, chassis frame structure of crane and crane

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