CN107500122A - A kind of folding crane - Google Patents

A kind of folding crane Download PDF

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Publication number
CN107500122A
CN107500122A CN201710742302.XA CN201710742302A CN107500122A CN 107500122 A CN107500122 A CN 107500122A CN 201710742302 A CN201710742302 A CN 201710742302A CN 107500122 A CN107500122 A CN 107500122A
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CN
China
Prior art keywords
girder
supporting leg
crane
anchor
bearing pin
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
Application number
CN201710742302.XA
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Chinese (zh)
Other versions
CN107500122B (en
Inventor
张志华
吴国梅
陈德利
代宇
曹长兴
张艳丽
张永力
陈媛媛
刘彦玲
田凤学
卫森
白康
陈振国
江秋生
张红军
王书超
程波
祁磊
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.)
Zhengzhou New Dafang Heavy Industries & Technology Co Ltd
Original Assignee
Zhengzhou New Dafang Heavy Industries & Technology 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.)
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Application filed by Zhengzhou New Dafang Heavy Industries & Technology Co Ltd filed Critical Zhengzhou New Dafang Heavy Industries & Technology Co Ltd
Priority to CN201710742302.XA priority Critical patent/CN107500122B/en
Publication of CN107500122A publication Critical patent/CN107500122A/en
Application granted granted Critical
Publication of CN107500122B publication Critical patent/CN107500122B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C5/00Base supporting structures with legs
    • B66C5/02Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C7/00Runways, tracks or trackways for trolleys or cranes
    • B66C7/08Constructional features of runway rails or rail mountings

Abstract

To reduce influence of the overhead construction of crane to bottom traffic to greatest extent, the present invention provides a kind of foldable crane, the crane utilizes the slewing supporting device between girder and supporting leg crossbeam, make to turn round certain angle between girder and supporting leg crossbeam, reduce the occupation of land volume parked, mitigate the influence passed through to traffic as far as possible;And realize anchoring of the crane under different folded states using anchor and position device.

Description

A kind of folding crane
Technical field
The present invention relates to crane field, particularly a kind of folding crane.
Background technology
When crane builds a bridge above the larger major trunk roads of traffic pressure, it is necessary to avoid traffic peak construction. In practical application, night vehicle flowrate is small, crane normal construction, when daytime, vehicle flowrate was larger, crane typically is parked in into master Beside arterial highway, the traffic to major trunk roads is passed through and can had a great impact;Therefore, it is necessary to a kind of crane for being easy to park, to expire Foot carries out the requirement of hoisting operation in major trunk roads.And in the prior art, it is that crane dismounting is easy to park, transported to reach Purpose, assembled again during use, as Chinese patent application CN201010176668.3 disclose a kind of assembling of crane, Method for dismounting, it discloses after crane is removed, the main pillar of arm support can in the vertical direction folded, to reduce crane Volume during shipment, but it is complicated, remove, be all longer the time required to assembling procedure, and in the vertical direction is folded It is only capable of reducing height, and can not effectively reduces floor space, is not suitable for parking and enabling again on major trunk roads short time.
The content of the invention
In order to solve goliath in major trunk roads operation process, temporarily disable and be not easy to the technical problem parked, this Invention provides a kind of folding crane, can realize the reverse fold of crane girder and supporting leg crossbeam, effectively reduce Floor space when parking.
To achieve the above object, the technical solution adopted by the present invention is:A kind of folding crane, including door frame, car Frame, suspension assembly, hoisting system, hydraulic system, the door frame include girder, supporting leg crossbeam, supporting leg column, it is characterised in that: A slewing supporting device is respectively disposed with the girder both ends, described slewing supporting device is arranged on girder and supporting leg Between crossbeam, girder and supporting leg crossbeam can carry out the revolution of multiple angles, the corresponding anchorage point in each angle of revolution, Revolution anchor is provided with the both ends of girder, described revolution anchor is arranged on girder and supporting leg crossbeam, institute Relative anchoring can be carried out in each anchorage point to girder and supporting leg crossbeam by stating revolution anchor.
Specifically, described slewing supporting device includes inner ring and outer ring, supporting leg crossbeam is corresponded on the lower cover of girder The position of connection is provided with girder adpting flange, and girder adpting flange is fixedly connected with inner ring;It is right on the upper cover plate of supporting leg crossbeam The position for answering girder to connect is provided with supporting leg crossbeam adpting flange, and supporting leg crossbeam adpting flange is fixedly connected with outer ring, described interior It is rotatablely connected between circle and the outer ring.
Described revolution anchor includes hydraulic pressure pin inserting-pulling device and anchor and position device, the plug of described hydraulic pressure respectively Pin assembly is fixed on girder and is located at turn around the outside of support meanss, and the hydraulic pressure pin inserting-pulling device includes plug bearing pin, liquid Compressing cylinder, described anchor and position device is fixed on supporting leg crossbeam and is located at turn around the outside of support meanss, in each anchor Maintenance is put, described hydraulic jack can drive described plug bearing pin in anchor and position device into and out.
Further, determine in every end of girder, the quantity of described hydraulic pressure pin inserting-pulling device less than described anchoring The quantity of position device.Preferably, in every end of girder, the quantity of described hydraulic pressure pin inserting-pulling device is 2, described anchoring The quantity of positioner is 2N, and N is the natural number more than or equal to 1 in rising.
Specifically, in every end of girder, there are several cylinder brackets to be arranged on girder both sides and be symmetrically distributed in revolution The outside of support meanss, the top of described hydraulic jack are fixed on cylinder bracket;Free bearing and nut are cut with scissors by oil cylinder bearing pin It is connected on hydraulic cylinder piston rod lower end;Described plug bearing pin top is provided with external screw thread, and described plug bearing pin is screwed in institute State on nut, the bearing pin being oriented to plug bearing pin is provided with girder and below the cylinder bracket and is oriented to Bearing.
Described anchor and position device is bearing pin positioning support, described bearing pin positioning support is welded on supporting leg crossbeam, It is evenly distributed on the outside of slewing supporting device, positioning hole is offered on bearing pin positioning support, each plug bearing pin is inserted into more In the positioning hole of individual different bearing pin positioning support so that the girder and supporting leg crossbeam of crane are in different anchorage points.
Beneficial effects of the present invention are as follows:Foldable crane involved in the present invention, is realized using slewing supporting device The horizontal folding of crane girder and supporting leg crossbeam, reduces floor space when crane is parked, can effectively alleviate The traffic pressure of major trunk roads where crane construction operation;The present invention turns round anchor by setting, and can realize different return Anchoring under gyration, stability, the security of enhancing operation when when improving crane normal work and parking;Also, this The folding crane of kind, manufacture, repacking cost are low, and operating efficiency is high, significantly reduce the financial cost of crane job And time cost.
Brief description of the drawings
Fig. 1 is the integrally-built front view of foldable crane of the present invention;
Fig. 2 is the integrally-built right view of foldable crane of the present invention;
Fig. 3 is the front view of portal-framed structure in the present invention;
Fig. 4 is the left view of portal-framed structure in the present invention;
Fig. 5 is the top view of portal-framed structure in the operating condition in the present invention;
Fig. 6 is top view of the portal-framed structure in the case where folding parked state in the present invention;
Fig. 7 is the structure chart of slewing supporting device in the present invention;
Fig. 8 is the top view of anchor and position device in the present invention;
Fig. 9 is the right view of anchor and position device in the present invention;
Figure 10 is the front view that anchor and position device is in releasing state in the present invention;
Figure 11 is the front view that anchor and position device is in anchoring status in the present invention;
Figure 12 is the partial enlarged drawing at anchor and position device I in Figure 10.
Embodiment
Below with reference to accompanying drawing, the invention will be further described:As depicted in figs. 1 and 2, a kind of folding crane, It includes vehicle frame 1, suspension assembly 2, steering mechanism, door frame 6, hoisting system 7, accessory structure, hydraulic system 9, electrical system 10 Formed Deng part, the structure of door frame 6 as shown in Figure 3 and Figure 4, including girder 10, supporting leg crossbeam 11, supporting leg column 12.
In the present invention, the folder function of crane at girder both ends by being respectively disposed with a slewing supporting device 13 To realize, between girder 10 and supporting leg crossbeam 11 that described slewing supporting device 13 is specifically located at, filled by revolving support The revolution of multiple angles can be carried out by putting 13, girder 10 and supporting leg crossbeam 11, so as to realize that the folding of crane is parked, and often The corresponding anchorage point in individual angle of revolution.Fig. 5 and Fig. 6 respectively illustrates crane normal operating conditions and folds parked state Top view, under Fig. 6 folded state, can be effectively reduced with the floor space of larger reduction crane to lifting The current influence of the major trunk roads traffic of machine operation.
The concrete structure of slewing supporting device 13 is as shown in fig. 7, it includes inner ring 4 and outer ring 5, in the lower cover of girder 10 The position of the upper corresponding connection of supporting leg crossbeam 11, girder adpting flange, girder adpting flange are provided with for example, by the mode of welding It is fixedly connected with inner ring by modes such as bolts;The position of girder connection is corresponded on the upper cover plate of supporting leg crossbeam 11, for example, by The mode of welding is provided with supporting leg crossbeam adpting flange, and the outer ring of supporting leg crossbeam adpting flange and revolving support passes through the side such as bolt Formula is fixedly connected;It is rotatablely connected between inner ring 4 and outer ring 5, the form of bearing can be used, specifically selected according to being actually needed Ball bearing, cylinder roller bearing, needle bearing etc., it can also use the form for the sliding bearing for not possessing roller;Inner ring 4 and outer Relatively rotated between circle 5, so as to realize the phase between the girder 10 being connected with inner ring 4 and the supporting leg crossbeam 11 being connected with outer ring 5 To rotating, to realize the folding of crane and expansion;The above structure of slewing supporting device 13, can be according to the size of crane With weight set inner ring and the size of outer ring, expected folding purpose can be effectively accomplished, and simple in construction, rotation is surely Fixed, the financial cost reequiped on existing apparatus is relatively low.
In order that crane can keep stable in each angle of revolution, revolution is additionally provided with every end of girder Anchor 3, described revolution anchor 3 are arranged on girder 10 and supporting leg crossbeam 11, the described energy of revolution anchor 3 It is enough that relative anchor is carried out to girder 10 and supporting leg crossbeam 11 in each anchorage point.
As Figure 8-9, hydraulic pressure pin inserting-pulling device 14 and anchor are included in every end of girder 10, revolution anchor 3 Fixed bit device 8, described hydraulic pressure pin inserting-pulling device 14 are fixed on girder and are located at turn around the outside of support meanss 13, institute The hydraulic pressure pin inserting-pulling device 14 stated includes plug bearing pin 15, hydraulic jack 16, and described anchor and position device 8 is fixed on supporting leg horizontal stroke On beam 11 and the outside of slewing supporting device 13 is evenly arranged in, in each anchorage point, described 16 equal energy of hydraulic jack The described plug bearing pin 15 of enough drivings in anchor and position device into and out.In girder per end, anchor 3 is turned round The arrangement of structure can realize plug bearing pin 14 during crane folds, during in any predetermined folding position, lower section All the time there is an anchor and position device corresponding thereto, above-described any predetermined folding position i.e. described above Anchorage point, for ease of understanding, can be considered as all plug bearing pins 15 axis and anchor and position device 8 axis all the time On same vertical cylinder face.Two views of Figure 10 and Figure 11 show that plug bearing pin 14 is extracted from anchor and position device With the state of insertion(Namely release state and anchoring status), in each anchorage point, described 16 equal energy of hydraulic jack The described plug bearing pin 15 of enough drivings is extracted and inserted from anchor and position device, so as to ensure above-described any folding position The stable anchorage put.
Fig. 8 top view clearly show that the arrangement of hydraulic pressure pin inserting-pulling device 14 and anchor and position device 8:Liquid Pressure pin inserting-pulling device 14 is arranged on girder both sides and is arranged in the outside of slewing supporting device 13, and anchor and position device 8 is fixed on On supporting leg crossbeam and it is arranged in the outside of slewing supporting device 13.It is described in every end of girder 10 in arrangement quantity Hydraulic pressure pin inserting-pulling device 14 quantity be less than described anchor and position device quantity;Preferably, in every end of girder, The quantity of described hydraulic pressure pin inserting-pulling device 14 is 2, can preferably take into account economy and stability, described anchor and position dress The quantity put is 2N, and N is the natural number more than or equal to 1 in rising, and N can select specific according to the requirement of required folding angles It is vertical, such as:Need at 90 °(Girder 10 and the relative angle of supporting leg crossbeam 11), 30 °, 150 ° of three angles anchored, then N is arranged to 3.
The concrete structure of revolution anchor 3 is shown in detail in Figure 12, and in every end of girder 10, described hydraulic pressure is inserted Pin pulling out device 14 also includes:Oil cylinder bearing pin 17, free bearing 18, nut 19, proximity switch 20, cylinder bracket 21, bearing pin guide type shoe 22, described cylinder bracket 21 is welded on girder both sides and is symmetrically distributed in around slewing supporting device 13, described hydraulic pressure The top of oil cylinder 17 is fixed on cylinder bracket 21;Free bearing 18 and nut 19 are hinged on hydraulic jack 16 by oil cylinder bearing pin 17 and lived The lower end of stopper rod, the described top of plug bearing pin 15 are provided with external screw thread, and described plug bearing pin 15 passes through the external thread rotary It is connected on the nut 19, plug bearing pin 15 is led in the lower section of the cylinder bracket 21 and being provided with the girder To bearing pin guide type shoe 22.Hydraulic jack 16, plug bearing pin 15 and the corresponding pin of each hydraulic pressure pin inserting-pulling device 14 The in the vertical direction of axle guide type shoe 22 is coaxially arranged, and its common axis is respectively positioned on foregoing vertical cylinder face, with Ensure accurate positioning.
Anchor and position device 8 is also illustrated in detail in fig. 12:In every end of girder 10, described anchor and position dress It is bearing pin positioning support 23 to put 8, and described bearing pin positioning support 23 is welded on supporting leg crossbeam 11, is evenly distributed on revolving support Around device 13, positioning hole is offered on bearing pin positioning support 23, the axis of the positioning hole is respectively positioned on described vertical cylinder On face, each hydraulic pressure plug bearing pin 14 can insert in multiple different bearing pin positioning supports 23 respectively in multiple anchorage points, Girder 10 and supporting leg crossbeam 11 to crane carry out the anchoring of diverse location.
The concrete structure of above hydraulic pressure pin inserting-pulling device 14 and anchor and position device 8, it can change on existing crane foundation Make realization, and cost is relatively low, can effectively ensure that the accuracy of positioning and the stability of anchoring, also ensure folded state with And the security requirement of working condition operation.
In summary, the foldable crane utilizes its slewing supporting device, is easily achieved the folding process of crane; Also, anchor and position of the crane under different conditions also ensure that by hydraulic pressure pin inserting-pulling device, further ensure lifting The stability and the security of operation that machine folds.Using above foldable crane, when the crane be used for traffic pressure compared with When the top of big major trunk roads sets up elevated bridge, crane job can be reduced to greatest extent by making crane folds The influence passed through to major trunk roads traffic.
Although describing the present invention according to specific embodiment, according to teaching herein, those skilled in the art couple It is also obvious that the present invention, which makes other modes modification,.Protection scope of the present invention is limited with the scope of claims, But other and technical scheme of the claims in the present invention without essential distinction, also should be in protection scope of the present invention.

Claims (7)

1. a kind of folding crane, including door frame(6), vehicle frame(1), suspension assembly(2), hoisting system(7), hydraulic system (9), the door frame includes girder(10), supporting leg crossbeam(11), supporting leg column(12), it is characterised in that:The two of the girder A slewing supporting device is respectively disposed with end(13), described slewing supporting device(13)It is arranged on girder(10)And supporting leg Crossbeam(11)Between, girder(10)With supporting leg crossbeam(11)The revolution of multiple angles, each angle of revolution corresponding one can be carried out Individual anchorage point, revolution anchor is provided with the both ends of girder(3), described revolution anchor(3)It is arranged on Girder(10)With supporting leg crossbeam(11)On, the revolution anchor can be in each anchorage point to girder(10)It is horizontal with supporting leg Beam(11)Carry out relative anchoring.
2. crane as claimed in claim 1, it is characterised in that:Described slewing supporting device(13)Including inner ring(4)With Outer ring(5), in girder(10)Lower cover on correspond to supporting leg crossbeam(11)The position of connection is provided with girder adpting flange, girder Adpting flange and inner ring(4)It is fixedly connected;Supporting leg crossbeam(11)Upper cover plate on correspond to girder connection position be provided with supporting leg Crossbeam adpting flange, supporting leg crossbeam adpting flange and outer ring(5)It is fixedly connected, the inner ring(4)With the outer ring(5)Between turn Dynamic connection.
3. crane as claimed in claim 1, it is characterised in that:The revolution anchor(3)Include hydraulic pressure respectively to plug Pin assembly(14)With anchor and position device(8), described hydraulic pressure pin inserting-pulling device(14)It is fixed on girder and is located at turn around propping up Support arrangement(13)Outside, the hydraulic pressure pin inserting-pulling device(14)Including plugging bearing pin(15), hydraulic jack(16), described anchor Fixed bit device(8)It is fixed on supporting leg crossbeam and is located at turn around support meanss(13)Outside, in each anchorage point, Described hydraulic jack(16)Described plug bearing pin can be driven(15)In anchor and position device into and out.
4. crane as claimed in claim 3, it is characterised in that:In girder(10)Every end, described hydraulic pressure plug Pin assembly(14)Quantity be less than described anchor and position device quantity.
5. crane as claimed in claim 4, it is characterised in that:In girder(10)Every end, described hydraulic pressure plug Pin assembly(14)Quantity be 2, the quantity of described anchor and position device be 2N, and a N is natural number more than or equal to 1 in rising.
6. crane as claimed in claim 5, it is characterised in that:In girder(10)Every end, have several cylinder brackets (21)It is arranged on girder both sides and is symmetrically distributed in slewing supporting device(13)Outside, described hydraulic jack(17)It is upper Portion is fixed on cylinder bracket(21)On;Free bearing(18)And nut(19)Pass through oil cylinder bearing pin(17)It is hinged on hydraulic jack(16)It is living Stopper rod lower end;Described plug bearing pin(15)Top is provided with external screw thread, described plug bearing pin(15)It is screwed in the nut (19)On, in girder(10)Go up and be located at the cylinder bracket(21)Lower section be provided with to plug bearing pin(15)It is oriented to Bearing pin guide type shoe(22).
7. the crane as described in claim any one of 4-6, it is characterised in that:Described anchor and position device(8)For bearing pin Positioning support(23), described bearing pin positioning support(23)It is welded on supporting leg crossbeam and is evenly distributed on slewing supporting device (13)Outside, bearing pin positioning support(23)On offer positioning hole, each plug bearing pin(15)It is inserted into multiple different pins Axle positioning support(23)Positioning hole in so that the girder of crane(10)With supporting leg crossbeam(11)In different anchoring positions Put.
CN201710742302.XA 2017-08-25 2017-08-25 A kind of folding crane Active CN107500122B (en)

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202016815U (en) * 2010-12-28 2011-10-26 三一汽车起重机械有限公司 Automobile crane
CN202265340U (en) * 2011-08-18 2012-06-06 栾清杨 Small-size multifunctional trackless gantry crane
CN202322010U (en) * 2011-12-05 2012-07-11 郑州新大方重工科技有限公司 General gantry crane
CN102602829A (en) * 2012-03-29 2012-07-25 中联重科股份有限公司 engineering machinery and landing leg positioning and supporting device thereof
CN203237915U (en) * 2013-05-16 2013-10-16 安徽江淮汽车股份有限公司 Folding lifting appliance
CN203428749U (en) * 2013-08-16 2014-02-12 河南省大方重型机器有限公司 Rotary operation type hoist gantry crane
CN203624871U (en) * 2013-12-16 2014-06-04 田新景 Rotary displacement hanger
CN104229640A (en) * 2013-06-20 2014-12-24 北汽福田汽车股份有限公司 Caterpillar orbital transfer device and crane
CN205328499U (en) * 2015-12-30 2016-06-22 武汉理工大学 Crane outrigger
CN205634652U (en) * 2016-05-19 2016-10-12 沈阳中之杰流体控制系统有限公司 Foldable longmen mechanism
CN106276626A (en) * 2016-10-13 2017-01-04 科康起重机械(上海)有限公司 A kind of collapsible gantry hoisting device
CN207192600U (en) * 2017-08-25 2018-04-06 郑州新大方重工科技有限公司 A kind of folding crane

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202016815U (en) * 2010-12-28 2011-10-26 三一汽车起重机械有限公司 Automobile crane
CN202265340U (en) * 2011-08-18 2012-06-06 栾清杨 Small-size multifunctional trackless gantry crane
CN202322010U (en) * 2011-12-05 2012-07-11 郑州新大方重工科技有限公司 General gantry crane
CN102602829A (en) * 2012-03-29 2012-07-25 中联重科股份有限公司 engineering machinery and landing leg positioning and supporting device thereof
CN203237915U (en) * 2013-05-16 2013-10-16 安徽江淮汽车股份有限公司 Folding lifting appliance
CN104229640A (en) * 2013-06-20 2014-12-24 北汽福田汽车股份有限公司 Caterpillar orbital transfer device and crane
CN203428749U (en) * 2013-08-16 2014-02-12 河南省大方重型机器有限公司 Rotary operation type hoist gantry crane
CN203624871U (en) * 2013-12-16 2014-06-04 田新景 Rotary displacement hanger
CN205328499U (en) * 2015-12-30 2016-06-22 武汉理工大学 Crane outrigger
CN205634652U (en) * 2016-05-19 2016-10-12 沈阳中之杰流体控制系统有限公司 Foldable longmen mechanism
CN106276626A (en) * 2016-10-13 2017-01-04 科康起重机械(上海)有限公司 A kind of collapsible gantry hoisting device
CN207192600U (en) * 2017-08-25 2018-04-06 郑州新大方重工科技有限公司 A kind of folding crane

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