CN203006803U - Crane and counterweight hanging device thereof - Google Patents
Crane and counterweight hanging device thereof Download PDFInfo
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- CN203006803U CN203006803U CN 201220637963 CN201220637963U CN203006803U CN 203006803 U CN203006803 U CN 203006803U CN 201220637963 CN201220637963 CN 201220637963 CN 201220637963 U CN201220637963 U CN 201220637963U CN 203006803 U CN203006803 U CN 203006803U
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Abstract
The utility model discloses a counterweight hanging device for a crane. The counterweight hanging device comprises a counterweight oil cylinder and further comprises a counterweight bracket capable of being hung on a crane turntable, wherein the counterweight bracket is used for placing a counterweight; and one end of the counterweight oil cylinder is connected with the counterweight bracket, and the other end of the counterweight oil cylinder is supported on the chassis of the crane so as to jack the counterweight bracket. The counterweight hanging device is hung by jacking the counterweight oil cylinder; and compared with the oil cylinder lifting scheme in the background art, the technical scheme obviously ensures that the height of the counterweight (determining the weight of the counterweight) is not limited by the distance between the tail part of the turntable and the chassis, and the height of the counterweight is regulated more flexibly and can meet the balance demand of a large-tonnage crane. In addition, the counterweight oil cylinder plays a role in jacking only in the hanging process and does not participate in hanging in the lifting process, and the counterweight is hung on the turntable mainly through the counterweight bracket, so that the reliability is high. The utility model also discloses a crane.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly a kind of hoisting crane and counterbalanced weight hanging device thereof.
Background technology
Counterbalanced weight is one of important component part of hoisting crane, the counterweight in the time of can be as crane hanging component, and therefore, counterbalanced weight plays conclusive effect to the lifting performance of hoisting crane.Counterbalanced weight generally comprises some counterweight blocks, can reach by the number of adjusting counterweight block the purpose of adjusting counterbalanced weight weight.
Because the complete machine weight of hoister in large tonnage is large, articulating under the operating mode of counterbalanced weight, can't transport and transition, therefore transportation and need to dismantling counterbalanced weight during transition, generally only in the crane hanging component process, by the counterbalanced weight hanging device, hoisting crane is carried out the interim assembling of counterbalanced weight.As seen, the counterbalanced weight hanging device need to guarantee the reliability that articulates of counterbalanced weight in hoisting process, on the other hand, in transportation and transition, or when being about to lift, needs to guarantee the efficient that articulates and dismantle, to guarantee job schedule.
At present, mainly articulate counterbalanced weight by the counterbalanced weight oil cylinder, the cylinder barrel of counterbalanced weight oil cylinder is fixed in the afterbody of rotating platform of crane, and counterbalanced weight has column, and the piston rod of counterbalanced weight oil cylinder can be fixed with column.Specifically articulate process as follows: the piston rod of counterbalanced weight oil cylinder stretches out, and fixes with the counterbalanced weight column, and piston rod is retracted and drawn high counterbalanced weight, articulates complete.
There is following technical matters in this technology:
The first, the height-limited distance between turntable afterbody and chassis of counterbalanced weight, for hoister in large tonnage, height-limited counterbalanced weight is difficult to satisfy the larger requirement of balance of weight;
The second, in hoisting process, rely on all the time the counterbalanced weight oil cylinder to hang and connect counterbalanced weight, the counterbalanced weight oil cylinder often needs flexible, intensity easily is affected, and flexible may be malfunctioning, what cause counterbalanced weight articulates the reliability deficiency.
In view of this, how providing a kind of counterbalanced weight height unrestricted counterbalanced weight hanging device, is the technical matters that those skilled in the art need to be resolved hurrily.
The utility model content
For solving the problems of the technologies described above, the utility model provides a kind of counterbalanced weight hanging device, when this device articulates counterbalanced weight, makes the counterbalanced weight height unrestricted.
The counterbalanced weight hanging device that is used for hoisting crane that the utility model provides comprises the counterbalanced weight oil cylinder, also comprises the counterbalanced weight support that can be mounted on rotating platform of crane, and described counterbalanced weight support is used for putting counterbalanced weight; One end of described counterbalanced weight oil cylinder connects described counterbalanced weight support, and the other end is supported in crane chassis, with the described counterbalanced weight support of jacking.
This counterbalanced weight hanging device is realized articulating by the counterbalanced weight cylinder jacking, oil cylinder in background technology articulates scheme, obviously, this kind scheme makes the height (having determined the weight of counterbalanced weight) of counterbalanced weight not be subjected to the distance limit between turntable afterbody and chassis, counterbalanced weight height flexible adjustment is higher, can satisfy the requirement of balance of hoister in large tonnage.In addition, the counterbalanced weight oil cylinder just plays the effect of jacking in articulating process, in hoisting process, do not participate in articulating, and counterbalanced weight mainly is mounted on turntable by the counterbalanced weight support, and reliability is high.And the stroke of counterbalanced weight oil cylinder is little, and the jacking distance of counterbalanced weight is little, articulates the high demand of efficient thereby satisfy hoister in large tonnage hoisting process counterbalanced weight.
Preferably, the cylinder barrel of described counterbalanced weight oil cylinder connects described counterbalanced weight support, and the piston rod of described counterbalanced weight oil cylinder is supported in crane chassis; Described counterbalanced weight support is provided with mounting hole, and the cylinder barrel of described counterbalanced weight oil cylinder runs through described mounting hole, and described cylinder barrel connects described counterbalanced weight support near the end of crane chassis.
Preferably, described mounting hole is stepped hole, and described cylinder barrel has radially terminal pad near the end of crane chassis, and the diameter of described radially terminal pad is greater than the diameter holes diameter of described stepped hole, and described cylinder barrel diameter is equal to or less than described diameter holes diameter; The hole, large footpath of described stepped hole is towards crane chassis.
Preferably, the radially terminal pad of described cylinder barrel and described counterbalanced weight support are bolted.
Preferably, described counterbalanced weight support comprises the carrier be used to the hitching frame that articulates rotating platform of crane and the described counterbalanced weight of storing; Described counterbalanced weight oil cylinder connects described carrier.
Preferably, described hitching frame is arranged at the middle part of described carrier, and the relatively described hitching frame of described carrier part that is positioned at described hitching frame both sides is symmetrical arranged; The counterbalanced weight hanging device comprises two described counterbalanced weight oil cylinders, connects respectively the described carrier part of described hitching frame both sides.
Preferably, described carrier has location shrinkage pool or positioning boss, matches with the positioning boss bottom counterbalanced weight or location shrinkage pool.
Preferably, the end of the piston rod of described counterbalanced weight oil cylinder is provided with flange; The counterbalanced weight hanging device also comprises the base plate that can be fixed in crane chassis, and described flange is fixed in crane chassis by described base plate; Described base plate has stepped hole, and the diameter of described flange is greater than the diameter holes diameter of described stepped hole, and described diameter of piston rod is equal to or less than described diameter holes diameter; Described diameter holes is towards described counterbalanced weight support.
Preferably, described base plate has location shrinkage pool or positioning boss, in order to coordinate with positioning boss or the location shrinkage pool of described crane chassis.
Preferably, described flange is fixed by bolt and described base plate.
The utility model also provides a kind of hoisting crane, comprise the chassis, be arranged at the turntable on described chassis, and the counterbalanced weight hanging device that counterbalanced weight can be mounted on described turntable, described counterbalanced weight hanging device is the described counterbalanced weight hanging device of above-mentioned any one.Because above-mentioned counterbalanced weight hanging device has above-mentioned technique effect, the hoisting crane with this counterbalanced weight hanging device also has identical technique effect, no longer repeats to discuss herein.
Preferably, described counterbalanced weight support is provided with for the first otic placode that articulates with rotating platform of crane, and described the first otic placode is provided with the first mount hole; The afterbody of described turntable is provided with the second otic placode, and described the second otic placode is provided with the second mount hole; Comprise that also hydraulic pressure wears shaft device, described hydraulic pressure is worn shaft device and is had hydraulic actuating cylinder, fixed support and bearing pin, drives described bearing pin during described hydraulic cylinder extension and inserts or break away from described the first mount hole and described the second mount hole.
Preferably, described counterbalanced weight support is provided with spacing hole, and described turntable is provided with the limited post that can insert in this spacing hole.
Preferably, described counterbalanced weight comprises the chain latching device; The side of each counterweight block of described counterbalanced weight is provided with shrinkage pool and is located at the boss of described shrinkage pool bottom, and the chain of described chain latching device is positioned at described shrinkage pool and locks the described boss of each described counterweight block.
Description of drawings
Fig. 1 provides the structural representation of a kind of specific embodiment of counterbalanced weight hanging device for the utility model;
Fig. 2 is the process schematic diagram that in Fig. 1, the counterbalanced weight hanging device articulates;
Fig. 3 is the structural representation after in Fig. 1, counterbalanced weight support and turntable articulate;
Fig. 4 is that in Fig. 3, the counterbalanced weight support carries the structural representation that articulates with turntable after counterbalanced weight;
Fig. 5 is the structural representation of base plate in Fig. 1.
In Fig. 1-5:
1 turntable, 11 second otic placodes, 12 second mount holes, 13 limited posts, 14 plugging pin oil cylinder, 15 hydraulic pressure are worn shaft device, 2 counterbalanced weight hanging devices, 21 counterbalanced weight supports, 211 hitching frames, 211a the first otic placode, 211b the first mount hole, 212 carriers, the 212a positioning boss, 22 counterbalanced weight oil cylinders, 221 piston rods, the 221a flange, 222 cylinder barrels, 222a is terminal pad radially, 223 first bolts, 224 second bolts, 23 base plates, 231 location shrinkage pools, 21a spacing hole, 3 counterbalanceds weight, 31 boss, 32 chains, 4 chassis
The specific embodiment
In order to make those skilled in the art understand better the technical solution of the utility model, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1-4, Fig. 1 provides the structural representation of a kind of specific embodiment of counterbalanced weight hanging device for the utility model; Fig. 2 is the process schematic diagram that in Fig. 1, the counterbalanced weight hanging device articulates; Fig. 3 is the structural representation after in Fig. 1, counterbalanced weight support and turntable articulate; Fig. 4 is that in Fig. 3, the counterbalanced weight support carries the structural representation that articulates with turntable after counterbalanced weight.
This counterbalanced weight hanging device 2 is used for hoisting crane, is mainly that counterbalanced weight 3 is articulated on the turntable 1 of hoisting crane, is generally the afterbody that is articulated in turntable 1.This counterbalanced weight hanging device 2 comprises counterbalanced weight oil cylinder 22, also comprise the counterbalanced weight support 21 that can be mounted on rotating platform of crane 1, counterbalanced weight 3 is placed on counterbalanced weight support 21, and counterbalanced weight support 21 articulates to turntable 1, and the counterbalanced weight 3 on it namely is hung on turntable 1.
Articulating by counterbalanced weight oil cylinder 22 of counterbalanced weight support 21 realizes.One end of counterbalanced weight oil cylinder 22 connects counterbalanced weight support 21, and the other end is supported on crane chassis 4, as shown in Figure 2.when articulating, counterbalanced weight support 21 is positioned on chassis 4, counterbalanced weight oil cylinder 22 is between counterbalanced weight support 21 and crane chassis 4, when the piston rod 221 of counterbalanced weight oil cylinder 22 stretches out, counterbalanced weight oil cylinder 22 can the heavy support 21 of jacking balance, with 21 jackings of counterbalanced weight support when articulating position corresponding to position with turntable 1, counterbalanced weight oil cylinder 22 can stop stretching out, counterbalanced weight support 21 can be realized being connected with turntable 1, then, counterbalanced weight oil cylinder 22 and crane chassis 4 are taken apart (as shown in Figure 2) or taken apart with counterbalanced weight support 21, separate on the relative chassis 4 of counterbalanced weight support 21, and be mounted on turntable 1.Be appreciated that counterbalanced weight 3 is placed on counterbalanced weight support 21 before articulating, realize articulating with companion counterbalanced weight support 21.
Counterbalanced weight hanging device 2 in this embodiment is realized articulating by 22 jackings of counterbalanced weight oil cylinder, oil cylinder Hoisting Program in the background technology, obviously, this kind scheme makes the height (having determined the weight of counterbalanced weight 3) of counterbalanced weight 3 not be subjected to the distance limit between turntable 1 afterbody and chassis 4, counterbalanced weight 3 height flexible adjustments are higher, can satisfy the requirement of balance of hoister in large tonnage.In addition, counterbalanced weight oil cylinder 22 just plays the effect of jacking in articulating process, in hoisting process, do not participate in articulating, and counterbalanced weight 3 mainly is mounted on turntable 1 by counterbalanced weight support 21, and reliability is high.Simultaneously, counterbalanced weight oil cylinder 22 strokes are short, and counterbalanced weight cylinder barrel 222 just takes the elongation action directly to articulate counterbalanced weight support 21 in the process that articulates, and does not need to take contractive action, hookup time is short, articulates the high demand of efficient thereby satisfy hoister in large tonnage hoisting process counterbalanced weight.
When articulating, turntable 1 generally needs revolution to align, can aim at all the time in order to guarantee turntable 1 and counterbalanced weight support 21, precisely articulate realizing, can plugging pin oil cylinder 14 be set on turntable 1, as shown in Figure 4, on chassis 4, dowel hole can be set, plugging pin oil cylinder 14 can with turntable 1 on the fixing locking of dowel hole, prevent that turntable 1 from rotating, so that turntable 1 remains on the position that can articulate with counterbalanced weight support 21.
Particularly, the cylinder barrel 222 of counterbalanced weight oil cylinder 22 can connect counterbalanced weight support 21, and the piston rod 221 of counterbalanced weight oil cylinder 22 is supported on crane chassis 4.In addition, on counterbalanced weight support 21, mounting hole can be set, the cylinder barrel 222 of counterbalanced weight oil cylinder 22 can penetrating mounting holes, and cylinder barrel 222 connects counterbalanced weight support 21 near the end of crane chassis 4.As shown in Figure 2, the major part of cylinder barrel 222 is positioned on mounting hole, and the setting of this kind structure after articulating, can separate piston rod 221 with crane chassis 4.When piston rod 221 is retracted, piston rod 221 almost can be close to the bottom of counterbalanced weight support 21, before articulating and after articulating, counterbalanced weight oil cylinder 22 can not take the space between counterbalanced weight support 21 and chassis 4, thereby be convenient to counterbalanced weight support 21 is placed on chassis 4, in hoisting process, counterbalanced weight oil cylinder 22 can not interfere with miscellaneous part in following turntable 1 rotation process yet.
Particularly, the mounting hole on counterbalanced weight support 21 can be stepped hole, and the end of cylinder barrel 222 close crane chassis 4 has radially terminal pad 222a, and namely the lower end of the cylinder barrel shown in Fig. 2 222 has radially terminal pad 222a.Radially the diameter of terminal pad 222a greater than the diameter holes diameter of counterbalanced weight support 21 upper shoulder holes, is less than or equal to large footpath bore dia; Cylinder barrel 222 diameters are equal to or less than the diameter holes diameter; And the hole, large footpath of stepped hole is towards crane chassis 4.In Fig. 2, the diameter holes of counterbalanced weight support 21 upper shoulder holes is positioned at the upper end, and hole, large footpath is positioned at the lower end.So design, when the piston rod 221 of counterbalanced weight oil cylinder 22 stretches out, cylinder barrel 222 upwards jackings, radially the cascaded surface of terminal pad 222a and the 21 stepped holes formation of counterbalanced weight support is interfered conflict, and then top lift is passed to counterbalanced weight support 21, reach the heavy support 21 of jacking balance to aim at turntable 1 purpose that articulates.This kind arranges simply and stably realized the transmission of top lift.
Certainly, cylinder barrel 222 and counterbalanced weight support 21 directly are welded and fixed or screw thread is fixing also can realize top lift transmission.In Fig. 2, the reliability that is connected with counterbalanced weight support 21 in order to ensure cylinder barrel 222, also further fix by the first bolt 223, certainly, when separating counterbalanced weight oil cylinder 22 and crane chassis 4 after articulating, the first bolt 223 has also played the purpose of fixed balance weight oil cylinder 22 and counterbalanced weight support 21.
Hitching frame 211 can be arranged at the middle part of carrier 212, and as shown in Figure 1, the carrier 212 relative hitching frames 211 of part that are positioned at hitching frame 211 both sides are symmetrical arranged; Correspondingly, counterbalanced weight hanging device 2 can comprise two counterbalanced weight oil cylinders 22, connects respectively carrier 212 parts of hitching frame 211 both sides.So arrange, make the whole counterbalanced weight hanging device 2 that carries counterbalanced weight 3 have good balance and stability performance.In addition, the jacking of two counterbalanced weight oil cylinders 22 is also comparatively stable, has also increased top lift simultaneously, and then raising articulates efficient.
General stacked the forming of counterweight block (being generally iron block) by uniform specification of counterbalanced weight 3, when positioning boss 212a is located at counterweight block, another counterweight block of counterweight block below need to set out corresponding with it slotted eye, therefore, positioning boss 212a is arranged on carrier 212, and the location shrinkage pool is located at counterbalanced weight 3 bottoms and is comparatively preferred scheme.
In above-described embodiment, the mode that an end of counterbalanced weight 22 oil cylinders is supported in chassis 4 has multiple, specifically can be referring to following structure:
The end of the piston rod 221 of counterbalanced weight oil cylinder 22 can arrange flange 221a; Counterbalanced weight hanging device 2 also comprises the base plate 23 that can be fixed in crane chassis 4, and as shown in Fig. 1,2,5, Fig. 5 is the structural representation of base plate in Fig. 1.Location shrinkage pool 231 can be set on base plate 23, and can arrange positioning boss on chassis 4 this moment, and location shrinkage pool 231 can insert for positioning boss, and base plate 23 can be placed on crane chassis 4 by location shrinkage pool and positioning boss Combined with Radiotherapy; Certainly, the location shrinkage pool is arranged on chassis 4, and positioning boss is arranged on base plate 23 and also is fine.Or by other removably mode base plate 23 is positioned on chassis 4.After counterbalanced weight support 21 and turntable 1 articulated, piston rod 221 can drive base plate 23 and break away from chassis 4 when retracting.Base plate 23 makes counterbalanced weight hanging device 2 very easy with separating of chassis 4 with this kind mode on chassis 4, articulates the efficient requirement to satisfy.
This kind fixed form has realized the fixing of flange 221a and chassis 4 simply.Certainly, counterbalanced weight oil cylinder 22 can also be supported on chassis 4 by other means.Such as, piston rod 221 ends arrange flange 221a, and flange 221 also coordinates the location according to boss, shrinkage pool mode with chassis 4, also is fine.Just directly be supported on chassis 4 compared to flange 221a, base plate 23 is set in above-described embodiment, make the stressed base plate 23 that mainly is transmitted to of flange 221a, and base plate 23 areas are larger, can reduce the damage of flange 221a, and flange 221a is not easy to deflection when discontinuity equalization, thereby avoids counterbalanced weight oil cylinder 22 deflections, improves the safety that articulates.Especially chassis 4 is generally supporting structure, and when flange 221a directly was supported in chassis 4 support, area of contact was very little, and stability is not enough, and the advantage that base plate 23 is set is more obvious.When counterbalanced weight hanging device 2 breaks away from chassis 4 articulating complete, separate base plate 3 and get final product with chassis 4, realized efficiently articulating.
For above-described embodiment, the flange 221a of piston rod 221 ends still can be fixing with base plate 23 by the second bolt 224, as shown in Figure 2, the fixing of the second bolt 224 can further be guaranteed the steadiness that flange 221a is connected with base plate 23, and not only relies on the conflict of base plate 23 upper shoulder hole step surfaces.And the second bolt 224 can make between flange 221a and chassis 4 and produce certain interval fixedly the time, further reduces the wearing and tearing of flange 221a.
Except above-mentioned counterbalanced weight hanging device 2, the utility model also provides a kind of hoisting crane, comprise chassis 4, be arranged at the turntable 1 on chassis 4, and counterbalanced weight 3 can be mounted on the counterbalanced weight hanging device 2 of turntable 1, counterbalanced weight hanging device 2 is the described counterbalanced weight hanging device 2 of above-mentioned arbitrary embodiment.Because above-mentioned counterbalanced weight hanging device 2 has above-mentioned technique effect, the hoisting crane with this counterbalanced weight hanging device 2 also has identical technique effect, no longer repeats to discuss herein.
Be provided for the first otic placode 211a of articulating with rotating platform of crane 1 on counterbalanced weight support 21, the first otic placode 211a is provided with the first mount hole 211b, when counterbalanced weight support 21 adopted carrier 212 as above and hitching frame 211, obvious the first otic placode 211a can be arranged on hitching frame 211.The afterbody of turntable 1 correspondingly is provided with the second otic placode 11, the second otic placodes 11 and is provided with the second mount hole 12.Comprise that also hydraulic pressure wears shaft device 15, hydraulic pressure is worn shaft device 15 and is had hydraulic actuating cylinder, fixed support and bearing pin, and fixed support can support bearing pin, and the flexible of hydraulic actuating cylinder can the drive pin shaft extension go out or retract.
When counterbalanced weight oil cylinder 22 with 21 jackings of counterbalanced weight support when articulating position corresponding to position with turntable 1, i.e. the first mount hole 211b and the second coaxial setting of mount hole 12 of this moment, hydraulic actuating cylinder can the drive pin shaft extension go out and then insert the first mount hole 211b and the second mount hole 12, and the first otic placode 211a and the second otic placode 11 are located.Can find out from Fig. 1,3, carrier 212 is provided with two first otic placode 211a, and turntable 1 afterbody correspondingly is provided with two second otic placodes 11.Under normal circumstances, the first mount hole 211b and the second mount hole 12 are horizontally disposed with, after articulating, the relative turntable 1 of counterbalanced weight support 21 can't move up and down, and the end of bearing pin can be fixed or spring cotter location by nut, and counterbalanced weight support 21 also can't sway, realize reliably articulating, and articulate conveniently, can improve and articulate efficient, also be convenient to dismounting.
To articulate reliability in order further improving, can also to be provided with the 21a of spacing hole on counterbalanced weight support 21, as shown in Fig. 1,3,5, and the limited post 13 that can insert in the 21a of this spacing hole is set on turntable 1.After counterbalanced weight hanging device 2 was by jacking, the 21a of spacing hole was gradually near limited post 13, thereby limited post 13 inserts heavy support 21 double swerves of limiting balance in the 21a of spacing hole on the one hand, improves to articulate reliability; On the other hand, after counterbalanced weight oil cylinder 22 inserts counterbalanced weight support 21 jackings to limited post 13 in the 21a of spacing hole fully, counterbalanced weight support 21 can't continue to rise, be the position that articulates of the first otic placode 211a and the second otic placode 11 lucky correspondences with the Position Design of this moment, the cooperation of limited post 13 and the 21a of spacing hole has realized articulating determining of position, when avoiding the 22 stroke misoperationes of counterbalanced weight oil cylinder or producing other faults, impact articulates efficient.
For the various embodiments described above, counterbalanced weight 3 can comprise the chain latching device, and the chain latching device comprises chain 32.The side of each counterweight block of counterbalanced weight 3 can all arrange shrinkage pool and be located at the boss 31 of shrinkage pool bottom, as shown in Figure 4, when a plurality of counterweight blocks were stacked and placed on one, boss 31 vertically was arranged in order, at this moment, the chain 32 of chain latching device is placed in shrinkage pool, and lock the boss 31 of each counterweight block, and namely adopt chain 32 that each boss 31 is enclosed in wherein, and fastening by fastener, thereby each counterweight block is bundled in together, forms counterbalanced weight 3.Certainly, each counterweight block also can adopt connecting rod, be threaded etc., and mode realizes binding, and just the reliability of chain 32 binding easy operatings and binding is higher.
Above a kind of hoisting crane provided by the utility model and counterbalanced weight hanging device thereof are described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (14)
1. counterbalanced weight hanging device that is used for hoisting crane, comprise counterbalanced weight oil cylinder (22), it is characterized in that, also comprise the counterbalanced weight support (21) that can be mounted on rotating platform of crane (1), described counterbalanced weight support (21) is used for putting counterbalanced weight (3); One end of described counterbalanced weight oil cylinder (22) connects described counterbalanced weight support (21), and the other end is supported in crane chassis (4), with the described counterbalanced weight support of jacking (21).
2. counterbalanced weight hanging device as claimed in claim 1, it is characterized in that, the cylinder barrel (222) of described counterbalanced weight oil cylinder (22) connects described counterbalanced weight support (21), and the piston rod (221) of described counterbalanced weight oil cylinder (22) is supported in crane chassis (4); Described counterbalanced weight support (21) is provided with mounting hole, the cylinder barrel (222) of described counterbalanced weight oil cylinder (22) runs through described mounting hole, and described cylinder barrel (222) connects described counterbalanced weight support (21) near the end of crane chassis (4).
3. counterbalanced weight hanging device as claimed in claim 2, it is characterized in that, described mounting hole is stepped hole, described cylinder barrel (222) has radially terminal pad (222a) near the end of crane chassis (4), the diameter of described radially terminal pad (222a) is greater than the diameter holes diameter of described stepped hole, and described cylinder barrel (222) diameter is equal to or less than described diameter holes diameter; The hole, large footpath of described stepped hole is towards crane chassis (4).
4. counterbalanced weight hanging device as claimed in claim 3, is characterized in that, the radially terminal pad (222a) of described cylinder barrel (222) is bolted with described counterbalanced weight support (21).
5. counterbalanced weight hanging device as described in claim 1-4 any one, it is characterized in that, described counterbalanced weight support (21) comprises for the hitching frame (211) that articulates with rotating platform of crane (1) and puts the carrier (212) of described counterbalanced weight (3); Described counterbalanced weight oil cylinder (22) connects described carrier (212).
6. counterbalanced weight hanging device as claimed in claim 5, it is characterized in that, described hitching frame (211) is arranged at the middle part of described carrier (212), and the described carrier relatively described hitching frame of part (211) that is positioned at described hitching frame (211) both sides is symmetrical arranged; Counterbalanced weight hanging device (2) comprises two described counterbalanced weight oil cylinders (22), connects respectively the described carrier part of described hitching frame (211) both sides.
7. counterbalanced weight hanging device as claimed in claim 6, is characterized in that, described carrier (212) has location shrinkage pool or positioning boss (212a), matches with the positioning boss bottom described counterbalanced weight (3) or location shrinkage pool.
8. counterbalanced weight hanging device as described in claim 1-4 any one, is characterized in that, the end of the piston rod (221) of described counterbalanced weight oil cylinder (22) is provided with flange (221a); Counterbalanced weight hanging device (2) also comprises the base plate (23) that can be positioned over crane chassis (4), and described flange (221a) is positioned over crane chassis (4) by described base plate (23); Described base plate (23) has stepped hole, and the diameter of described flange (221a) is greater than the diameter holes diameter of described stepped hole, and described piston rod (221) diameter is equal to or less than described diameter holes diameter; Described diameter holes is towards described counterbalanced weight support (21).
9. counterbalanced weight hanging device as claimed in claim 8, is characterized in that, described base plate (23) has location shrinkage pool or positioning boss, in order to coordinate with positioning boss or the location shrinkage pool of described crane chassis (4).
10. counterbalanced weight hanging device as claimed in claim 8, is characterized in that, described flange (221a) is fixing by bolt and described base plate (23).
11. hoisting crane, comprise chassis (4), be arranged at the turntable (1) on described chassis (4), and the counterbalanced weight hanging device (2) that counterbalanced weight (3) can be mounted on described turntable (1), it is characterized in that, described counterbalanced weight hanging device (2) is the described counterbalanced weight hanging device of claim 1-10 any one (2).
12. hoisting crane as claimed in claim 11, it is characterized in that, described counterbalanced weight support (21) is provided with for the first otic placode (211a) that articulates with rotating platform of crane (1), and described the first otic placode (211a) is provided with the first mount hole (211b); The afterbody of described turntable (1) is provided with the second otic placode (11), and described the second otic placode (11) is provided with the second mount hole (12); Comprise that also hydraulic pressure wears shaft device (15), described hydraulic pressure is worn shaft device (15) and is had hydraulic actuating cylinder, fixed support and bearing pin, drives described bearing pin insertion during described hydraulic cylinder extension or breaks away from described the first mount hole (211b) and described the second mount hole (12).
13. hoisting crane as claimed in claim 11 is characterized in that, described counterbalanced weight support (21) is provided with spacing hole (21a), and described turntable (1) is provided with the limited post (13) that can insert in this spacing hole (21a).
14. as the described hoisting crane of claim 11-13 any one, it is characterized in that, described counterbalanced weight (3) comprises the chain latching device; The side of each counterweight block of described counterbalanced weight (3) is provided with shrinkage pool and is located at the boss (31) of described shrinkage pool bottom, and the chain of described chain latching device (32) is positioned at described shrinkage pool and locks the described boss (31) of each described counterweight block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220637963 CN203006803U (en) | 2012-11-27 | 2012-11-27 | Crane and counterweight hanging device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220637963 CN203006803U (en) | 2012-11-27 | 2012-11-27 | Crane and counterweight hanging device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203006803U true CN203006803U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220637963 Withdrawn - After Issue CN203006803U (en) | 2012-11-27 | 2012-11-27 | Crane and counterweight hanging device thereof |
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| Country | Link |
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| CN (1) | CN203006803U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963825A (en) * | 2012-11-27 | 2013-03-13 | 徐州重型机械有限公司 | Crane and balancing weight hooking device thereof |
-
2012
- 2012-11-27 CN CN 201220637963 patent/CN203006803U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963825A (en) * | 2012-11-27 | 2013-03-13 | 徐州重型机械有限公司 | Crane and balancing weight hooking device thereof |
| CN102963825B (en) * | 2012-11-27 | 2015-06-17 | 徐州重型机械有限公司 | Crane and balancing weight hooking device thereof |
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