CN103253602B - The elevated super lifting device of crawler vehicle voluntarily and hoisting crane - Google Patents
The elevated super lifting device of crawler vehicle voluntarily and hoisting crane Download PDFInfo
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- CN103253602B CN103253602B CN201210033365.5A CN201210033365A CN103253602B CN 103253602 B CN103253602 B CN 103253602B CN 201210033365 A CN201210033365 A CN 201210033365A CN 103253602 B CN103253602 B CN 103253602B
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Abstract
The present invention relates to a kind of elevated super lifting device of crawler vehicle voluntarily, comprise and surpassed mast, hang arm-tie and super-starting balance weight, described one end having surpassed mast is fixed on the main frame of hoisting crane, the described other end having surpassed mast is connected with the top of described suspension arm-tie, the bottom of described suspension arm-tie is connected on described super-starting balance weight, wherein, described super-starting balance weight comprises the crawler vehicle of super-starting balance weight body and the described super-starting balance weight body of carrying, and the bottom of described suspension arm-tie is selectable to be connected on super-starting balance weight body in described super-starting balance weight or crawler vehicle.The invention still further relates to a kind of hoisting crane.The present invention can not only realize the walking certainly of super-starting balance weight with better simply super lifting device structure, the lifting that also can realize super-starting balance weight is hung, and then the hoisting of hoisting crane, luffing, revolution and band can be realized carry the actions such as walking, from realization, simple transformation can be carried out based on existing hoisting crane to realize, realize with low cost.
Description
Technical field
The present invention relates to engineering mechanical device technology, particularly relate to a kind of elevated super lifting device of crawler vehicle voluntarily and hoisting crane.
Background technology
Along with hoisting crane develops to ultra-large type, super lifting device has become the requisite component part of hoisting crane.As shown in Figure 1, super lifting device is at mast or arrange between Shears and jib 4 and surpassed mast 2 (also claiming equilibrium arm), the geometric relationship of jib and luffing arm-tie 3 can be improved, super-starting balance weight 1 is connected with in the lower end having surpassed mast 2, effectively can increase the whole vehicle stability of hoisting crane, improve lifting performance.
By weight and the work range thereof of appropriate design super-starting balance weight, the resistance to tipping moment of hoisting crane car load can well be increased, improve the stability of car load.Crawler crane is the weight-lifting equipment that can turn round and walk, and in the process of turning round and walk, super-starting balance weight 1 needs to coordinate with it, moves with main frame 5.
Usual super-starting balance weight 1 adopts floated, and see Fig. 1, namely super-starting balance weight 1 is liftoff in operation process, otherwise car load can not carry out operation of turning round and walk.This just needs in design and use process, and weight and the work range thereof of lifting appliance and work range thereof and super-starting balance weight should mate completely, thus the whole machine balancing of keeping system.And when crane job working conditions change, need to adjust at any time super-starting balance weight, such as sometimes adjusting the work range of super-starting balance weight by increasing cross cylinder, carrying out auxiliary super-starting balance weight by increase Vertical Cylinders liftoff.These are all under super-starting balance weight weight one stable condition, realize the change of car load resistance to tipping moment by change amplitude.
When hoisting crane do not hang carry time, super-starting balance weight total weight all can be pressed on the ground, and now loop wheel machine cannot move at all.Existing scheme is all laid down by super-starting balance weight, and main frame drives to suitable work place alone, then utilizes auxiliary hoist to be assembled on main frame by whole super-starting balance weights again.Obviously, this quadrat method efficiency is very low, greatly reduces the Practical Performance of crane.
When lifting appliance is increasing, the weight of super-starting balance weight and amplitude all can increase thereupon, realize super-starting balance weight liftoff, will greatly increase the load of main frame, also be a serious test to the stability of car load, ground flat degree and the intensity of parking super-starting balance weight also will meet the demands simultaneously.Therefore the implementation of super-starting balance weight has become the key issue that hoisting crane develops to ultra-large type.
In order to solve the implementation problem of super-starting balance weight, making it both ensure the resistance to overturning of hoisting crane, can move with main frame in any operating mode again.Present stage mainly contains following several solution:
Increase super-starting balance weight running gear, such as, increase super-starting balance weight travelling car in existing scheme, super-starting balance weight is placed on dolly, can turn round with host synchronization on the ground and walk, make the stability of complete machine be in optimum regime.This counterweight trolley generally adopts rubber-tyred, along with the increase of balance weight, also be serious test to the bearing capacity of tire, simultaneously higher to the requirement on ground, the prior special processing of general needs, make ground meet the walking of counterweight trolley, this will certainly increase extra charges and use and the engineering construction cycle.
Also the solution adopting the articulated adjustment beam of increase by is had in existing scheme, super-starting balance weight work range is regulated under the effect of hydraulic ram, make it be in suspended state always, this mechanism can realize super-starting balance weight and automatically regulate work range with the difference of operating mode, less demanding to ground, but the implementation of this mechanism is complicated, cost is very high, not easily promote, equally along with the increase of super-starting balance weight weight, such counterweight luffing mode is also difficult to realize, and therefore causes very big restriction to the large scale development of hoisting crane.
Due to the increase along with super-starting balance weight weight, mode that counterweight is liftoff is difficult to realize, also have simple in order to obtain large load-carrying ability in existing scheme, and custom-designed nonstandard type hoisting crane, this hoisting crane is placed on circuit orbit, super-starting balance weight maintains static, without the need to liftoff, there is superpower hoisting moment, but car load can only centered by super-starting balance weight, turn round luffing in orbit, can not be with and carry walking, and this hoisting crane can only be assembled at the construction field (site), the assembly and disassembly cycle is long, affect construction speed, also can increase extra cost.In addition, the requirement for bearing capacity of circuit orbit to ground is high, usually needs to carry out special processing to ground in advance, thus the additional expense outside amount paid.
From several schemes presented hereinbefore, surpassed for realizing large-tonnage the super-starting balance weight auxiliary device that function increases, or mechanism itself is complicated, level of control requires high, needs with high investment, high cost; Usage condition is limited, high to ground environmental quality requirement, can not promote the use of.And the super-starting balance weight implementation of present stage, or make super-starting balance weight always liftoff, be in suspended state; Super-starting balance weight is maintained static, and hoisting crane can only rotate in original place centered by counterweight, and two kinds of modes have respective drawback, can not well merge.
Summary of the invention
The object of the invention is to propose a kind of elevated super lifting device of crawler vehicle voluntarily and hoisting crane, can carry with the band realizing hoisting crane car load relative to simple, lower-cost mode and move, turn round and movement adds pivotal composite move.
For achieving the above object, the invention provides a kind of elevated super lifting device of crawler vehicle voluntarily, comprise and surpassed mast, hang arm-tie and super-starting balance weight, described one end having surpassed mast is fixed on the main frame of hoisting crane, the described other end having surpassed mast is connected with the top of described suspension arm-tie, the bottom of described suspension arm-tie is connected on described super-starting balance weight, wherein said super-starting balance weight comprises the crawler vehicle of super-starting balance weight body and the described super-starting balance weight body of carrying, the bottom of described suspension arm-tie is selectable to be connected on super-starting balance weight body in described super-starting balance weight or crawler vehicle.
In technique scheme, the operating mode that engineering staff can hang according to the lifting of the walking of required super-starting balance weight or super-starting balance weight changes the installation connection mode hanging arm-tie and super-starting balance weight, and super-starting balance weight to have load-carrying capacity comparatively strong and be convenient to the crawler vehicle of walking, thus the hoisting crane car load band realizing liftoff mode and non-liftoff mode carries mobile, revolution and mobilely adds pivotal composite move, and this is relatively simple for structure, it is lower to realize cost.
Further, under the state that the bottom of described suspension arm-tie is connected to described super-starting balance weight body, between the main frame and described super-starting balance weight body of described hoisting crane, be also provided with the pipe link transmitting rotary driving force square, the rotary driving force square of the main frame of the described hoisting crane that described super-starting balance weight can transmit by described pipe link act on ground running.Pipe link can play the effect of drive torque of the main frame transmitting hoisting crane, realizes the walking of described super-starting balance weight on ground by the cooperation of the main frame of super-starting balance weight and hoisting crane.
Further, described super-starting balance weight body comprises the counterweight support of multiple clump weight and the described multiple clump weight of combination, and the bottom of described suspension arm-tie is connected with the multiple hinges be arranged symmetrically with on described counterweight support.Multiple hinge be arranged symmetrically with can control the center of super-starting balance weight preferably, makes connection more stable, avoids car load in the process of walking to topple.
Further, under the state that the bottom of described suspension arm-tie is connected to described crawler vehicle, described super-starting balance weight can depart from ground by the pulling force of described suspension arm-tie.Suspension arm-tie is connected on crawler vehicle, the stability under loading promoting super-starting balance weight can be improved.
Further, described crawler vehicle comprises track beam and is set in the crawler belt of track beam, and the bottom of described suspension arm-tie is connected with the multiple hinges be arranged symmetrically with on described track beam.
For achieving the above object, the invention provides a kind of hoisting crane, wherein there is aforementioned arbitrary elevated super lifting device of crawler vehicle voluntarily.
Based on technique scheme, present invention employs a kind of super-starting balance weight form with crawler vehicle, and the type of attachment of super-starting balance weight can be selected according to operating mode, thus the walking certainly of super-starting balance weight can not only be realized with better simply super lifting device structure, the lifting that also can realize super-starting balance weight is hung, and then can realize the hoisting of hoisting crane, luffing, revolution and band and carry the actions such as walking, from realization, simple transformation can be carried out based on existing hoisting crane to realize, realize with low cost.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the super lifting device of hoisting crane in prior art.
Fig. 2 has installed the complete vehicle structure schematic diagram that the present invention can promote the hoisting crane of an embodiment of crawler vehicle super lifting device voluntarily.
Fig. 3 has installed the complete vehicle structure schematic diagram that the present invention can promote the hoisting crane of another embodiment of crawler vehicle super lifting device voluntarily.
Fig. 4 is the structural representation of the installation connection mode hanging arm-tie and super-starting balance weight in Fig. 2 embodiment.
Fig. 5 is the structural representation of the installation connection mode hanging arm-tie and super-starting balance weight in Fig. 3 embodiment.
Detailed description of the invention
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Hoisting crane car load employing module group technology of the present invention achieves the unitized design that a kind of front truck adds rear car, negative and the action that front truck realizes luffing and hoists, rear car provides the propulsive effort of revolution and walking, before and after car all adopt cterpillar drive, the band realizing car load by the cooperation of front and back car carries mobile, revolution and mobilely adds pivotal composite move.
As shown in Figure 2, the complete vehicle structure schematic diagram of the hoisting crane of an embodiment of crawler vehicle super lifting device voluntarily can be promoted for having installed the present invention.In fig. 2, the elevated super lifting device of crawler vehicle voluntarily comprises and has surpassed mast 2, hangs arm-tie 3 and super-starting balance weight 6, having surpassed mast 2 is arranged between the jib 4 of hoisting crane and mast 8, the one end having surpassed mast 2 is fixed on the main frame 5 of hoisting crane, and the other end having surpassed mast 2 is connected with the top hanging arm-tie 7.Hoisting crane jib 4 and surpassed between mast 2 and be also provided with luffing arm-tie 3.The bottom hanging arm-tie 7 is connected on super-starting balance weight 6.
Composition graphs 4, super-starting balance weight 6 can comprise the crawler vehicle 62 of super-starting balance weight body 61 and carrying super-starting balance weight body 61, and the bottom hanging arm-tie 7 is connected on the super-starting balance weight body 61 in super-starting balance weight 6.Crawler vehicle 62 own wt is also as a part for super-starting balance weight 6.
Can know from Fig. 4 and find out, the bottom of suspension arm-tie 7 is connected to the hinge on super-starting balance weight body 61, in this state, can also be provided with the pipe link 9 transmitting rotary driving force square between the main frame 5 and super-starting balance weight body 61 of hoisting crane.The rotary driving force square of the main frame 5 of the hoisting crane that super-starting balance weight 6 can transmit by this pipe link 9 act on ground running.
In the present embodiment, super-starting balance weight adopts crawler self walking apparatus, no matter hoisting crane carries out hanging the work of carrying or unloaded displacement, the super-starting balance weight of rear car can be realized with front truck action, and super-starting balance weight is without the need to liftoff, therefore can provide required resistant to tipping moment at any time, make the stability of complete machine be in optimum regime, and the super-starting balance weight weight acting on ground can provide crawler travel necessary friction force always.
The body of the super-starting balance weight adopted in the present embodiment is at least propped up by the counterweight of multiple clump weight and the multiple clump weight of combination and is configured to, and hangs the bottom of arm-tie and be connected with the multiple hinges be arranged symmetrically with on counterweight support.The suspension effectiveness that such realization is comparatively stable.
As shown in Figure 3, the complete vehicle structure schematic diagram that can promote the hoisting crane of another embodiment of crawler vehicle super lifting device voluntarily except having installed the present invention is given.Counterweight given by composition graphs 5 installs connection mode, and the present embodiment is compared to a upper embodiment, and the bottom hanging arm-tie 7 is connected on the crawler vehicle 62 in super-starting balance weight 6.Under the state that the bottom hanging arm-tie 7 is connected to crawler vehicle 62, super-starting balance weight 6 can depart from ground by the pulling force hanging arm-tie 7.
The present embodiment changes the position of the installation point of connection hanging arm-tie and super-starting balance weight, and the crawler vehicle be draped may carry super-starting balance weight body, thus super-starting balance weight can be sling by entirety, and then realizes movement or the revolution action of car load.
In Figure 5, crawler vehicle 62 comprises track beam 621 and is set in the crawler belt 622 of track beam 621, hangs the bottom of arm-tie 7 and is connected with the multiple hinges be arranged symmetrically with on track beam 621.Realize comparatively stable suspension effectiveness.
For technical personnel, can according to operating mode needs, select Fig. 2 and the elevated super lifting device of crawler vehicle voluntarily embodiment employed in figure 3, that is, be connected on super-starting balance weight body in super-starting balance weight or crawler vehicle by selectable by hanging the bottom of arm-tie, current super-starting balance weight just can be provided to realize the solution more comprehensively of various problem, and not only can realize the walking certainly of super-starting balance weight, the lifting that also can realize super-starting balance weight is hung.
Walk voluntarily in the embodiment of form, the coordination of rear car counterweight and front truck can be passed through, the various functions of movable crane can be realized, and repeatedly adjust balance weight without the need to changing with operating mode, make the stability of complete machine be in preferable states all the time.This is just avoided the process repeating to load and unload breeding, decreases the labour intensity of workman, improves Practical Performance and the work efficiency of hoisting crane.
In addition, crawler-mounted self-propelling device, technology maturation is stablized, and controller performance and safety performance all can effectively be ensured, and grounding pressure is little, and ground environment comformability is extremely strong.
Promote the operating mode Applicable scope that the embodiment hanging form then can widen hoisting crane greatly, substantially cover operating mode in all adjusting, there is extremely strong comformability.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (3)
1. the elevated super lifting device of crawler vehicle voluntarily, comprise and surpassed mast, hang arm-tie and super-starting balance weight, described one end having surpassed mast is fixed on the main frame of hoisting crane, the described other end having surpassed mast is connected with the top of described suspension arm-tie, the bottom of described suspension arm-tie is connected on described super-starting balance weight, it is characterized in that, described super-starting balance weight comprises the crawler vehicle of super-starting balance weight body and the described super-starting balance weight body of carrying, the bottom of described suspension arm-tie can need selectablely to be connected on super-starting balance weight body in described super-starting balance weight or crawler vehicle according to operating mode, super-starting balance weight can depart from ground by the pulling force hanging arm-tie, described super-starting balance weight body comprises the counterweight support of multiple clump weight and the described multiple clump weight of combination, and crawler vehicle comprises track beam and is set in the crawler belt of track beam,
Under the bottom of described suspension arm-tie selects to be connected to the operating mode of described super-starting balance weight body, the bottom of described suspension arm-tie is connected with the multiple hinges be arranged symmetrically with on described counterweight support;
Under the bottom of described suspension arm-tie selects to be connected to the operating mode of described crawler vehicle, the bottom of described suspension arm-tie is connected with the multiple hinges be arranged symmetrically with on described track beam, the crawler vehicle be draped may carry super-starting balance weight body, thus super-starting balance weight can be sling by entirety.
2. device according to claim 1, it is characterized in that, under the state that the bottom of described suspension arm-tie is connected to described super-starting balance weight body, between the main frame and described super-starting balance weight body of described hoisting crane, be also provided with the pipe link transmitting rotary driving force square, the rotary driving force square of the main frame of the described hoisting crane that described super-starting balance weight can transmit by described pipe link act on ground running.
3. a hoisting crane, is characterized in that, has the elevated super lifting device of crawler vehicle voluntarily described in claim 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210033365.5A CN103253602B (en) | 2012-02-15 | 2012-02-15 | The elevated super lifting device of crawler vehicle voluntarily and hoisting crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210033365.5A CN103253602B (en) | 2012-02-15 | 2012-02-15 | The elevated super lifting device of crawler vehicle voluntarily and hoisting crane |
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| Publication Number | Publication Date |
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| CN103253602A CN103253602A (en) | 2013-08-21 |
| CN103253602B true CN103253602B (en) | 2015-12-16 |
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| CN201210033365.5A Active CN103253602B (en) | 2012-02-15 | 2012-02-15 | The elevated super lifting device of crawler vehicle voluntarily and hoisting crane |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103879912B (en) * | 2014-03-05 | 2015-08-12 | 浙江三一装备有限公司 | Crawler crane and turning gear, revolving-control method |
| CN105439017A (en) * | 2016-01-11 | 2016-03-30 | 徐工集团工程机械股份有限公司 | Crane |
| CN113148864B (en) * | 2021-04-28 | 2024-05-17 | 徐工集团工程机械股份有限公司建设机械分公司 | Crane and control method thereof |
| CN113742869B (en) * | 2021-09-28 | 2024-06-14 | 徐工集团工程机械股份有限公司建设机械分公司 | A method for improving crane performance |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1466686A (en) * | 1974-07-12 | 1977-03-09 | Riggers Mfg Co | Counter-balanced crane structure |
| US4614275A (en) * | 1983-05-11 | 1986-09-30 | Kabushiki Kaisha Kobe Seiko Sho | Heavy duty crane |
| CN201619972U (en) * | 2009-12-15 | 2010-11-03 | 大连益利亚工程机械有限公司 | Crawler crane with crawler-type super-lifting counterweight trolley |
| CN102295237A (en) * | 2011-09-07 | 2011-12-28 | 长沙中联重工科技发展股份有限公司 | Crane |
| CN202449769U (en) * | 2012-02-15 | 2012-09-26 | 徐工集团工程机械股份有限公司 | Superlift device for liftable self-propelled crawler and crane |
-
2012
- 2012-02-15 CN CN201210033365.5A patent/CN103253602B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1466686A (en) * | 1974-07-12 | 1977-03-09 | Riggers Mfg Co | Counter-balanced crane structure |
| US4614275A (en) * | 1983-05-11 | 1986-09-30 | Kabushiki Kaisha Kobe Seiko Sho | Heavy duty crane |
| CN201619972U (en) * | 2009-12-15 | 2010-11-03 | 大连益利亚工程机械有限公司 | Crawler crane with crawler-type super-lifting counterweight trolley |
| CN102295237A (en) * | 2011-09-07 | 2011-12-28 | 长沙中联重工科技发展股份有限公司 | Crane |
| CN202449769U (en) * | 2012-02-15 | 2012-09-26 | 徐工集团工程机械股份有限公司 | Superlift device for liftable self-propelled crawler and crane |
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| CN103253602A (en) | 2013-08-21 |
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