CN103723635B - Walking transfer crane - Google Patents
Walking transfer crane Download PDFInfo
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- CN103723635B CN103723635B CN201410041340.9A CN201410041340A CN103723635B CN 103723635 B CN103723635 B CN 103723635B CN 201410041340 A CN201410041340 A CN 201410041340A CN 103723635 B CN103723635 B CN 103723635B
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Abstract
The invention discloses a kind of walking transfer crane, relate to technical field of engineering machinery.Solve prior art and there is the inefficient technical matters that hoists.This walking transfer crane comprises traveling gear and gate-type truss arm, and gate-type truss arm comprises connecting cross beam, lifting mechanism and at least two truss arms, and the every one end in connecting cross beam two ends is all at least connected with the top of a truss arm; Each truss arm bottom is separately fixedly installed on different traveling geaies respectively, and gate-type truss arm at least can synchronizing moving under the drive of traveling gear that is fixedly installed of truss arm wherein; Lifting mechanism comprises hoist elevator and the weight attaching parts that hoists, and the raising line of being drawn by the elevator that hoists is connected with the weight attaching parts that hoists; The elevator that hoists pulls during raising line and pulls the weight be connected with the weight attaching parts that hoists to rise by the weight attaching parts that hoists.The present invention, for improving the efficiency that hoists of weight, reduces the walking difficulty of walking transfer crane.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly relate to a kind of walking transfer crane.
Background technology
Along with the development of Sinopec's industry, in petroleum chemical industry, tank body weight used is more and more heavier, especially in the state-owned trend surmounting 4000t, but the existing crawler crane biggest lifting capacity is at about 3600t, consider the limiting conditions such as lifting altitude, in practical engineering application, even if maximum tonnage caterpiller crane also cannot reach 3600t, if can be had breakthrough by new version, by the development of petroleum chemical industry of leaving the country greatly.
In existing weight-lifting equipment, movable crane mainly comprises car hosit, full Terrain Cranes and crawler crane, and what in movable crane, hoisting capacity was larger surely belongs to crawler crane.At present, maximum tonnage caterpiller crane is Xu work XGC88000 in the world, its biggest lifting capacity 3600t, because of factors such as crawler crane structural limitations, tubing specification, spaces, causes the possibility of crawler crane again to more large-tonnage development less.For improving the hoisting capacity of hoisting crane, just needing to break through existing crane structure, by a kind of new structure, making load parts bear extra reducing without exerting oneself, allow it mainly bear weight weight, only in this way just can not increase material, not increase the hoisting capacity of lift crane on the basis in space.
For this reason, those skilled in the art contemplate a kind of walking of design transfer crane, existing walking transfer crane comprises gate-type truss arm, and gate-type truss arm comprises connecting cross beam, lifting mechanism and two upright truss arms, and two truss arms are connected by connecting cross beam.The mode that lifting mechanism adopts strand to pull weight to rise pulls weight to rise.
The present inventor finds, prior art at least exists following technical matters:
1, the efficiency that hoists is low; The mode that strand pulls weight to rise is adopted in prior art, its groundwork is hydraulic lifting, pulls weight to rise after a bit of distance, again pulls weight to rise a segment distance, such repeatedly starting and stopping operation, causes prior art to there is the inefficient technical matters that hoists.
2, difficulty in walking; When driving existing walking transfer crane to walk, need driving arrangement (such as oil cylinder) promote or pull truss arm to be subjected to displacement relative to ground, travel distance is short, speed is slow, and walking difficulty is large.
Summary of the invention
One of them object of the present invention proposes a kind of walking transfer crane, solve prior art and there is the inefficient technical matters that hoists, optimal technical scheme provided by the invention also solves the technical matters that prior art exists difficulty in walking, realizes the function of a tractor serves several purposes simultaneously.Many technique effects (facilitate walking, applicable working condition type is many, the weight that hoists location is convenient, fast) that optimal technical scheme of the present invention can produce refer to and hereafter set forth.
For achieving the above object, the invention provides following technical scheme:
The walking transfer crane that the embodiment of the present invention provides, comprises traveling gear and gate-type truss arm, and described gate-type truss arm comprises connecting cross beam, lifting mechanism and at least two truss arms, wherein:
Every one end in described connecting cross beam two ends is all at least connected with the top of a described truss arm;
Each described truss arm bottom is separately fixedly installed on different traveling geaies respectively, and described gate-type truss arm at least can synchronizing moving under the drive of described traveling gear that is fixedly installed of described truss arm wherein;
Described lifting mechanism comprises hoist elevator and the weight attaching parts that hoists, and the raising line of being drawn by the described elevator that hoists is connected with the described weight attaching parts that hoists; The described elevator that hoists pulls during described raising line and pulls the weight be connected with the described weight attaching parts that hoists to rise by the described weight attaching parts that hoists.
In one preferably or alternatively embodiment, at least one end in described connecting cross beam two ends and described truss arm flexibly connect, and the described traveling gear that truss arm described at least one is fixedly installed is caterpillar band traveling chassis.
In one preferably or alternatively embodiment, described caterpillar band traveling chassis comprises crawler belt, track beam, vehicle frame, pivoting support and turntable, wherein:
The number of described track beam is two, and the described crawler belt each track beam being provided with track sprocket and being coated on outside described track sprocket, described track beam is connected with described vehicle frame;
The moving part that described pivoting support comprises fixed part and is flexibly connected with described fixed part, and described moving part can rotate relative to described fixed part;
Described vehicle frame is fixedly connected with the fixed part of described pivoting support, and described turntable is fixedly connected with the moving part of described pivoting support.
In one preferably or alternatively embodiment, the described elevator that hoists is arranged on described vehicle frame or described turntable, described connecting cross beam is also connected with lifting pulley, and the raising line of being drawn by the described elevator that hoists is connected with the described weight attaching parts that hoists after described lifting pulley.
In one preferably or alternatively embodiment, the trolley driving mechanism that described walking transfer crane also comprises lifting trolley and is connected with described lifting trolley, wherein:
Described lifting trolley is positioned on described connecting cross beam, described trolley driving mechanism can drive described lifting trolley at least to walk on described connecting cross beam along the direction perpendicular with the direction of travel of described traveling gear, and described lifting trolley is also connected with described lifting pulley.
In one preferably or alternatively embodiment, described trolley driving mechanism is for driving oil cylinder, and described driving oil cylinder comprises stationary part and motion portion, described motion portion can be reciprocating relative to described stationary part, described motion portion is connected with described lifting trolley, or
Described trolley driving mechanism comprises the first driving elevator and second and drives elevator, by described first drive elevator draw the first connection cord and by described second drive elevator draw the second connection cord be all connected with described lifting trolley, described first connection cord to the direction of the pulling force that described lifting trolley applies and the described direction of the second connection cord to the pulling force that described lifting trolley applies opposite each other.
In one preferably or alternatively embodiment, each described caterpillar band traveling chassis is provided with one and has surpassed system, each described system that surpassed includes mast, has surpassed counterbalanced weight, has surpassed pulley and super lift winch, wherein:
One end of described mast is flexibly connected with described turntable and can rotates relative to described turntable around active connection place;
The described pulley that surpassed is connected with one end that described mast deviates from described turntable;
By described super lift winch draw surpassed stay cord through described surpassed pulley after be connected with the described truss arm on the described caterpillar band traveling chassis having surpassed system place; Describedly surpass one end that counterbalanced weight deviates from described turntable by counterbalanced weight connection cord and described mast and be connected.
In one preferably or alternatively embodiment, each described caterpillar band traveling chassis is provided with standard system, and each standard system includes mast and luffing elevator.
In one preferably or alternatively embodiment, the number of described truss arm is two, the two ends that described connecting cross beam is connected with described truss arm are the two ends on described connecting cross beam length direction, in the two ends of described truss arm on the Width of described connecting cross beam, wherein one end is connected with ground by the first side direction drag-line, in the two ends of described truss arm on the Width of described connecting cross beam, wherein the other end is connected with ground by the second side direction drag-line, wherein:
The described traveling gear that two described truss arms are fixedly installed is described caterpillar band traveling chassis; Or, in the described traveling gear that two described truss arms are fixedly installed, one of them is described caterpillar band traveling chassis, wherein another is roller moving mechanism, described roller moving mechanism comprises sliding rail and is connected with the walking frame body of roller, described truss arm is fixedly installed on described walking frame body, described roller compresses on the track, and described roller along described track length direction walking process described in walking frame body walk in the lump with described roller.
In one preferably or alternatively embodiment, the number of described truss arm is four, wherein: in four described truss arms, each described truss arm is all fixedly installed on a described caterpillar band traveling chassis; Or, in four described truss arms, the described truss arm of part is arranged on described caterpillar band traveling chassis, the described truss arm of part is arranged on roller moving mechanism, described roller moving mechanism comprises sliding rail and is connected with the walking frame body of roller, described truss arm is fixedly installed on described walking frame body, described roller compresses on the track, and described roller along described track length direction walking process described in walking frame body walk in the lump with described roller.
In one preferably or alternatively embodiment, the every one end in described connecting cross beam two ends is all at least flexibly connected by two point of connection and described truss arm.
Adopt in walking transfer crane provided by the invention and hoist elevator as the propulsion source pulling weight to rise, hoisting elevator can be without a break, the weight be connected with the weight attaching parts that hoists (such as: suspension hook) is pulled to rise rapidly continuously, for the mode adopting strand to pull weight to rise in prior art, the present invention can continuous working lifting velocity is adjustable without a break, so hoist, efficiency is higher, so solve prior art to there is the inefficient technical matters that hoists.Optimal technical scheme provided by the invention at least can produce following technique effect:
1, walking transfer crane provided by the invention is suitable for tank body or other types weights such as promoting petroleum and petrochemical industry, and this walking transfer crane hoisting capacity is large, lifting altitude is high.
2, adopt caterpillar band traveling chassis to drive walking transfer crane to advance, solve the problem of gate-type lattice-boom crane difficulty in walking, and easy to operate;
3, when hoisting capacity is larger, can use the operation of walking transfer crane, when hoisting capacity is less, according to actual needs walking transfer crane can be split as two or multiple stage crawler crane, applicable working condition type is many;
4, caterpillar band traveling chassis can drive walking transfer crane to walk on the Width of connecting cross beam, the lifting trolley that connecting cross beam is arranged, at least can walk on connecting cross beam along the length direction of the direction connecting cross beam perpendicular with the direction of travel of traveling gear, so the weight location that hoists is convenient, fast.
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:
The schematic diagram of a kind of transfer crane of walking that Fig. 1 provides for the embodiment of the present invention;
A schematic diagram of caterpillar band traveling chassis in the walking transfer crane that Fig. 2 provides for the embodiment of the present invention;
A schematic diagram of gate-type truss arm in the walking transfer crane that Fig. 3 provides for the embodiment of the present invention;
The schematic diagram of the another kind walking transfer crane that Fig. 4 provides for the embodiment of the present invention;
The schematic diagram of annexation between the walking transfer crane that Fig. 5 provides for the embodiment of the present invention shown in Fig. 4 and the first side direction drag-line, the second side direction drag-line;
The schematic front view of another walking transfer crane that Fig. 6 provides for the embodiment of the present invention;
Reference numeral: 1, traveling gear; 11, crawler belt; 12, track beam; 13, vehicle frame; 14, pivoting support; 15, turntable; 16, roller moving mechanism; 2, gate-type truss arm; 21, connecting cross beam; 22, lifting mechanism; 221, raising line; 222, lifting pulley; 23, truss arm; 3, lifting trolley; 4, system has been surpassed; 41, mast; 42, counterbalanced weight has been surpassed; 51, the first side direction drag-line; 52, the second side direction drag-line.
Detailed description of the invention
Content of the present invention and the distinctive points between the present invention and prior art can be understood below with reference to accompanying drawing Fig. 1 ~ Fig. 6 and word content.Hereafter by accompanying drawing and the mode enumerating embodiment more of the present invention, technical scheme of the present invention (comprising optimal technical scheme) is described in further detail.It should be noted that: any technical characteristic in the present embodiment, any technical scheme is all one or more in the technical characteristic of plurality of optional or optional technical scheme, cannot exhaustive all alternative technical characteristics of the present invention and alternative technical scheme in order to describe succinct to need in presents, also the embodiment being not easy to each technical characteristic all emphasizes that it is one of optional numerous embodiments, so those skilled in the art should know: arbitrary technological means provided by the invention can be carried out replacing or two or more technological means or technical characteristic arbitrarily provided by the invention being carried out mutually combining and obtain new technical scheme.Any technical characteristic in the present embodiment and any technical scheme all do not limit the scope of the invention, protection scope of the present invention should comprise those skilled in the art do not pay creative work thinkable any alternate embodiments and those skilled in the art new technical scheme that two or more technological means or technical characteristic arbitrarily provided by the invention are carried out mutually combining and obtain.
Embodiments provide one and hoist that high, the convenient walking of efficiency, applicable working condition type are many, transfer crane is conveniently walked in the weight that hoists location.
Below in conjunction with the elaboration that Fig. 1 ~ Fig. 6 carries out specifically to technical scheme provided by the invention.
As shown in Fig. 1 ~ Fig. 6, the walking transfer crane that the embodiment of the present invention provides, comprise traveling gear (being preferably caterpillar band traveling chassis) 1 and gate-type truss arm 2, gate-type truss arm 2 comprises connecting cross beam 21, (truss arm is also referred to as upright jib for lifting mechanism 22 and at least two truss arms, upright jib is the square space truss structure be welded by tubing) 23, wherein:
Every one end in connecting cross beam 21 two ends is all at least connected with the top of a truss arm 23.
The respective bottom of each truss arm 23 is fixedly installed on different traveling geaies 1 respectively, and gate-type truss arm 2 at least can synchronizing moving under the drive of traveling gear 1 that is fixedly installed of truss arm 23 wherein.
Lifting mechanism (or claim: lift system) 22 comprises hoist elevator (not shown) and the weight attaching parts that hoists (such as: suspension hook), and the raising line (being preferably steel rope) 221 of being drawn by the elevator that hoists is connected with the weight attaching parts that hoists.The elevator that hoists pulls during raising line 221 and pulls the weight be connected with the weight attaching parts that hoists to rise by the weight attaching parts that hoists.
Adopt in walking transfer crane provided by the invention and hoist elevator as the propulsion source pulling weight to rise, hoisting elevator can be without a break, the weight be connected with the weight attaching parts that hoists (such as: suspension hook) is pulled to rise rapidly continuously, for the mode adopting strand to pull weight to rise in prior art, the present invention can continuous working and speed can regulate, so the efficiency that hoists is higher without a break.
As one preferably or alternatively embodiment, at least one end in connecting cross beam 21 two ends and truss arm 23 flexibly connect, and are preferably two ends and all flexibly connect with truss arm 23.The traveling gear 1 that at least one truss arm 23 is fixedly installed is caterpillar band traveling chassis.Certainly, the technical scheme being all or part of other traveling geaies outside caterpillar band traveling chassis in the traveling gear 1 that is fixedly installed of truss arm 23 also should within scope.
Flexibly connect when gate-type truss arm 2 can be made to advance with traveling gear 1, the deflection of relatively thin tail sheep between connecting cross beam 21 and different truss arms 23, can be there is.Caterpillar band traveling chassis move hourly velocity can soon, moving process is also more steady.
As one preferably or alternatively embodiment, caterpillar band traveling chassis comprises crawler belt 11, track beam 12, vehicle frame 13, pivoting support 14 and turntable 15 as shown in Figure 2, wherein:
The number of track beam 12 is two, and the crawler belt 11 each track beam 12 being provided with track sprocket and being coated on outside track sprocket, track beam 12 is connected with vehicle frame 13.
The moving part (moving part can be inner ring and outer ring wherein another) that pivoting support 14 comprises fixed part (fixed part can for inner ring and outer ring one of them) and is flexibly connected with fixed part, and moving part can rotate relative to fixed part.
Vehicle frame 13 is fixedly connected with the fixed part of pivoting support 14, and turntable 15 is fixedly connected with the moving part of pivoting support 14.
It is simple that above-mentioned caterpillar band traveling chassis has structure, and it is convenient to realize, safe and reliable advantage.
As one preferably or alternatively embodiment, the elevator that hoists is arranged on the turntable 15(elevator that hoists and is preferably arranged on turntable 15) on, connecting cross beam 21 is also connected with lifting pulley 222, and the raising line 221 of being drawn by the elevator that hoists is connected with the weight attaching parts that hoists after lifting pulley 222.
Installing space on turntable 15 is more abundant for connecting cross beam 21, and the Joint strenght of turntable 15 is also higher, the elevator so suitable setting hoists.Certainly, technical scheme connecting cross beam 21 being arranged the draw gear of hoist elevator or the similar elevator that hoists also should within protection scope of the present invention.
As one preferably or alternatively embodiment, the trolley driving mechanism that walking transfer crane also comprises lifting trolley 3 and is connected with lifting trolley 3, wherein:
Lifting trolley 3 is positioned on connecting cross beam 21, trolley driving mechanism can drive lifting trolley 3 at least to walk on connecting cross beam 21 along the direction perpendicular with the direction of travel of traveling gear (such as: caterpillar band traveling chassis) 1 (this direction can for the length direction shown in Fig. 1 being connecting cross beam 21), and lifting trolley 3 is also connected with lifting pulley 222.
Lifting trolley 3 drive lifting pulley 222 along with the perpendicular side of the direction of travel of traveling gear 1 forward or backward time can change the position of raising line 221 through lifting pulley 222 and the weight attaching parts that hoists on the direction perpendicular with the direction of travel of traveling gear 1, so the position of the weight be connected with the weight attaching parts that hoists also can be changed.
As one preferably or alternatively embodiment, trolley driving mechanism is for driving oil cylinder, oil cylinder is driven to comprise stationary part (cylinder barrel and piston rod one of them) and motion portion (cylinder barrel and piston rod wherein another), motion portion can be reciprocating relative to stationary part, and motion portion is connected with lifting trolley 3.
Drive the mode of oil cylinder injection liquid force feed can control to drive the motion portion of oil cylinder whether reciprocating by giving, and then lifting trolley 3 can be controlled do and advance or setback.
Certainly, as the alternative of above-mentioned embodiment, trolley driving mechanism also can comprise the first driving elevator and second and drive elevator, by first drive elevator draw the first connection cord and by second drive elevator draw the second connection cord be all connected with lifting trolley 3, the first connection cord to the direction of the pulling force that lifting trolley 3 applies and the direction of the second connection cord to the pulling force that lifting trolley 3 applies opposite each other.During first driving elevator rolling the first connection cord, lifting trolley 3 advances, otherwise during second driving elevator rolling the second connection cord, lifting trolley 3 retreats.
As one preferably or alternatively embodiment, each caterpillar band traveling chassis is provided with one and has surpassed system or standard system, each system 4 that surpassed includes mast 41, has surpassed counterbalanced weight 42, has surpassed pulley and super lift winch, wherein: each standard system includes mast and luffing elevator.
One end of mast 41 is flexibly connected with turntable 15 and can rotates relative to turntable 15 around active connection place.
Surpass pulley to be connected with one end that mast 41 deviates from turntable 15.
The stay cord that surpassed of being drawn by super lift winch is connected with the truss arm 23 on the caterpillar band traveling chassis having surpassed system 4 place after having surpassed pulley.
Surpass one end that counterbalanced weight 42 deviates from turntable 15 by counterbalanced weight connection cord and mast 41 to be connected.
Having surpassed system 4 can be consistent with the system that surpassed on existing hoisting crane.Can utilize in the present invention and surpass system 4 mounted for level jib is pulled up to erectility.
Having surpassed counterbalanced weight 42 can when the present invention works, balance car load center of gravity and crawler belt 11 frame center.
As one preferably or alternatively embodiment, as shown in Figure 4 and Figure 5, the number of truss arm 23 is two, the two ends that connecting cross beam 21 is connected with truss arm 23 are the two ends on connecting cross beam 21 length direction, in the two ends of truss arm 23 on the Width of connecting cross beam 21, wherein one end is connected with ground by the first side direction drag-line 51, in the two ends of truss arm 23 on the Width of connecting cross beam 21, wherein the other end is connected with ground by the second side direction drag-line 52, wherein:
The traveling gear 1 that two truss arms 23 are fixedly installed all is illustrated in figure 1 caterpillar band traveling chassis.Or, in the traveling gear 1 that two truss arms 23 are fixedly installed, one of them is caterpillar band traveling chassis, wherein another is roller moving mechanism 16 as shown in Figure 4, roller moving mechanism 16 comprises sliding rail and is connected with the walking frame body of roller, truss arm 23 is fixedly installed on walking frame body, roller compresses in orbit, and roller is walked along walking frame body in the length direction walking process of track in the lump with roller.
The set-up mode of above-mentioned two kinds of traveling geaies 1 all can realize the walking of walking transfer crane provided by the invention.
The traveling gear 1 be fixedly installed when two truss arms 23 is all illustrated in figure 1 caterpillar band traveling chassis, and two caterpillar band traveling chassis all can drive the walking of walking transfer crane.When in the traveling gear 1 that two truss arms 23 are fixedly installed, one of them is caterpillar band traveling chassis, when wherein another is roller moving mechanism 16 as shown in Figure 4, driven the walking of walking transfer crane by caterpillar band traveling chassis, roller moving mechanism 16 synchronizing moving can play balance, support the effect of walking transfer crane.
As one preferably or alternatively embodiment, as shown in Figure 6, the number of truss arm 23 is four, and in four truss arms 23, each truss arm 23 is all fixedly installed on a caterpillar band traveling chassis.The side schematic view (not shown herein) of caterpillar band traveling chassis is similar to the caterpillar band traveling chassis shown in Fig. 1 as shown in Figure 6.
There are four caterpillar band traveling chassis in above-mentioned walking transfer crane, this has been enough to maintain walking transfer crane and can have walked reposefully, stand, so without the need to arranging the first side direction drag-line 51 and the second side direction drag-line 52 again.
As one preferably or alternatively embodiment, the every one end in connecting cross beam 21 two ends is all at least flexibly connected by two point of connection and truss arm 23.
The connection of point of connection more at most between connecting cross beam 21 and truss arm 23 is more reliable.Flexibly connect the activity moved relative to each other between connecting cross beam 21 and truss arm 23 that can increase and be connected to each other.
In the present invention, caterpillar band traveling chassis can realize the present invention and to walk the walking motion of transfer crane, and gate-type truss arm is the main lift parts of this walking transfer crane, has surpassed system and has been mainly used in mounted for level jib to be pulled up to erectility.Turntable counterbalanced weight is used for when hoisting crane works, and balance car load center of gravity is to track frame center.
The present invention walks transfer crane by the main force support structure of gate-type truss arm as crane lifting weight, it is connecting cross beam above gate-type truss arm, connecting cross beam there is lift system, by hoisting cable, weight is promoted to erectility by horizontal revolving stage, after weight is upright, caterpillar band traveling chassis can move, and weight is moved to ad-hoc location and fixes.
Compared with existing hoisting crane (mainly referring to non-walking transfer crane), advantage of the present invention at least comprise following some:
1. conventional track main arm of crane angle is all less than 90 °, when lift heavy, it can bear the component of weight and arm-tie, now principal arm bears arm-tie component, this power is inefficacious (for meeting the power that load bearing component lifting heavy must be applied on load bearing component), it must reduce the percentum that principal arm bears weight component, thus reduces the ability that principal arm carries effect (load bearing component bears the power of lifting heavy).In the gate-type boom system of crawler travel transfer crane, jib angle is 90 °, and stressing conditions is better, and carry percent efficacy large, complete machine hoisting capacity is greater than two or multiple stage hoisting crane biggest lifting capacity sum;
2. crawler travel transfer crane can consist of connecting device two or multiple stage crawler crane, operation simultaneously, composition crawler belt gate-type walking hoisting crane.When hoisting capacity is less, can conveniently be disassembled by crawler travel transfer crane is two or the operation of multiple stage crawler crane.It has the advantage of conversion of multiple combination form, multi-state;
3. crawler travel transfer crane has lifting trolley device, the motion of its transverse direction can be realized by lifting trolley, and the motion of its longitudinal direction can be realized by crawler travel, and crawler belt can also side direction be walked, and weight location is convenient and swift.
Arbitrary technical scheme disclosed in the invention described above unless otherwise stated, if the number range of it discloses, so disclosed number range is preferred number range, anyly it should be appreciated by those skilled in the art: preferred number range is only the numerical value that in many enforceable numerical value, technique effect is obvious or representative.Because numerical value is more, cannot be exhaustive, so the present invention just discloses component values with casehistory technical scheme of the present invention, and the above-mentioned numerical value enumerated should not form the restriction to the invention protection domain.
If employ the word such as " first ", " second " herein to limit parts, those skilled in the art should know: the use of " first ", " second " is only used to be convenient to describe carry out difference as not having outside Stated otherwise to parts, the implication that above-mentioned word is not special.
Simultaneously, if the invention described above discloses or relate to parts or the framing member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: can releasably be fixedly connected with (such as using bolt or screw to connect), also can be understood as: to be non-removablely fixedly connected with (such as rivet, weld), certainly, connection fastened to each other also can be replaced by integral type structure (such as use foundry technique is integrally formed create) (obviously cannot adopt except integrally formed technique).
In addition, apply in arbitrary technical scheme disclosed in the invention described above for represent position relationship or shape term unless otherwise stated its implication comprise approximate with it, similar or close state or shape.Arbitrary parts provided by the invention both can be assembled by multiple independent component part, and also can be one of the forming manufacture technics separate part out.
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 (9)
1. a walking transfer crane, it is characterized in that, comprise traveling gear (1) and gate-type truss arm (2), described gate-type truss arm (2) comprises connecting cross beam (21), lifting mechanism (22) and at least two truss arms (23), wherein:
Every one end in described connecting cross beam (21) two ends is all at least connected with the top of a described truss arm (23);
The bottom that each described truss arm (23) is respective is fixedly installed on different traveling geaies (1) respectively, and described gate-type truss arm (2) at least can synchronizing moving under the drive of described traveling gear (1) that is fixedly installed of described truss arm (23) wherein;
Described lifting mechanism (22) comprises hoist elevator and the weight attaching parts that hoists, and the raising line of being drawn by the described elevator that hoists is connected with the described weight attaching parts that hoists; The described elevator that hoists pulls during described raising line and pulls the weight be connected with the described weight attaching parts that hoists to rise by the described weight attaching parts that hoists;
Described connecting cross beam (21) two ends all flexibly connect with described truss arm (23), and the described traveling gear (1) that truss arm described at least one (23) is fixedly installed is caterpillar band traveling chassis.
2. walking transfer crane according to claim 1, is characterized in that, described caterpillar band traveling chassis comprises crawler belt, track beam, vehicle frame, pivoting support and turntable, wherein:
The number of described track beam is two, and the described crawler belt each track beam being provided with track sprocket and being coated on outside described track sprocket, described track beam is connected with described vehicle frame;
The moving part that described pivoting support comprises fixed part and is flexibly connected with described fixed part, and described moving part can rotate relative to described fixed part;
Described vehicle frame is fixedly connected with the fixed part of described pivoting support, and described turntable is fixedly connected with the moving part of described pivoting support.
3. walking transfer crane according to claim 2, it is characterized in that, the described elevator that hoists is arranged on described turntable, and described connecting cross beam is also connected with lifting pulley, and the raising line of being drawn by the described elevator that hoists is connected with the described weight attaching parts that hoists after described lifting pulley.
4. walking transfer crane according to claim 3, is characterized in that, the trolley driving mechanism that described walking transfer crane also comprises lifting trolley and is connected with described lifting trolley, wherein:
Described lifting trolley is positioned on described connecting cross beam, described trolley driving mechanism can drive described lifting trolley at least to walk on described connecting cross beam along the direction perpendicular with the direction of travel of described traveling gear, and described lifting trolley is also connected with described lifting pulley.
5. walking transfer crane according to claim 4, it is characterized in that, described trolley driving mechanism is for driving oil cylinder, described driving oil cylinder comprises stationary part and motion portion, described motion portion can be reciprocating relative to described stationary part, described motion portion is connected with described lifting trolley, or
Described trolley driving mechanism comprises the first driving elevator and second and drives elevator, by described first drive elevator draw the first connection cord and by described second drive elevator draw the second connection cord be all connected with described lifting trolley, described first connection cord to the direction of the pulling force that described lifting trolley applies and the described direction of the second connection cord to the pulling force that described lifting trolley applies opposite each other.
6. walking transfer crane according to claim 5, is characterized in that, each described caterpillar band traveling chassis is provided with one and has surpassed system, and each described system that surpassed includes mast, has surpassed counterbalanced weight, surpassed pulley and super lift winch, wherein:
One end of described mast is flexibly connected with described turntable and can rotates relative to described turntable around active connection place;
The described pulley that surpassed is connected with one end that described mast deviates from described turntable;
By described super lift winch draw surpassed stay cord through described surpassed pulley after be connected with the described truss arm on the described caterpillar band traveling chassis having surpassed system place;
Describedly surpass one end that counterbalanced weight deviates from described turntable by counterbalanced weight connection cord and described mast and be connected.
7. walking transfer crane according to claim 6, it is characterized in that, the number of described truss arm is two, the two ends that described connecting cross beam is connected with described truss arm are the two ends on described connecting cross beam length direction, in the two ends of described truss arm on the Width of described connecting cross beam, wherein one end is connected with ground by the first side direction drag-line, in the two ends of described truss arm on the Width of described connecting cross beam, wherein the other end is connected with ground by the second side direction drag-line, wherein:
The described traveling gear that two described truss arms are fixedly installed is described caterpillar band traveling chassis; Or, in the described traveling gear that two described truss arms are fixedly installed, one of them is described caterpillar band traveling chassis, wherein another is roller moving mechanism, described roller moving mechanism comprises sliding rail and is connected with the walking frame body of roller, described truss arm is fixedly installed on described walking frame body, described roller compresses on the track, and described roller along described track length direction walking process described in walking frame body walk in the lump with described roller.
8. walking transfer crane according to claim 6, is characterized in that, the number of described truss arm is four, wherein:
In four described truss arms, each described truss arm is all fixedly installed on a described caterpillar band traveling chassis; Or,
In four described truss arms, the described truss arm of part is arranged on described caterpillar band traveling chassis, the described truss arm of part is arranged on roller moving mechanism, described roller moving mechanism comprises sliding rail and is connected with the walking frame body of roller, described truss arm is fixedly installed on described walking frame body, described roller compresses on the track, and described roller along described track length direction walking process described in walking frame body walk in the lump with described roller.
9., according to the arbitrary described walking transfer crane of claim 1-8, it is characterized in that, the every one end in described connecting cross beam two ends is all at least flexibly connected by two point of connection and described truss arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410041340.9A CN103723635B (en) | 2014-01-28 | 2014-01-28 | Walking transfer crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410041340.9A CN103723635B (en) | 2014-01-28 | 2014-01-28 | Walking transfer crane |
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| CN103723635A CN103723635A (en) | 2014-04-16 |
| CN103723635B true CN103723635B (en) | 2015-09-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106006397B (en) * | 2016-07-27 | 2018-02-02 | 李玫佳 | A kind of tracked heavy-duty crane |
| CN106429870A (en) * | 2016-10-21 | 2017-02-22 | 周东宁 | Combined structure movable crane |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102005021859B4 (en) * | 2005-05-11 | 2007-03-29 | Terex-Demag Gmbh & Co. Kg | Lattice boom crane for lifting heavy loads |
| CN201495044U (en) * | 2009-09-27 | 2010-06-02 | 大连华锐股份有限公司 | Maintaining gantry crane |
| CN102190252B (en) * | 2011-07-13 | 2013-04-10 | 大连华锐重工集团股份有限公司 | Crawler type gantry crane |
| CN102530734B (en) * | 2012-02-07 | 2014-08-27 | 张崇志 | Movable portal crane |
| CN203295068U (en) * | 2013-06-03 | 2013-11-20 | 大连博瑞重工有限公司 | Underneath-type three-trolley four-suspension centre portal crane for winch |
| CN203728439U (en) * | 2014-01-28 | 2014-07-23 | 徐工集团工程机械股份有限公司 | Walking gantry crane |
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