CN203602269U - Counterweight hanging device and crane - Google Patents
Counterweight hanging device and crane Download PDFInfo
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- CN203602269U CN203602269U CN201320527585.3U CN201320527585U CN203602269U CN 203602269 U CN203602269 U CN 203602269U CN 201320527585 U CN201320527585 U CN 201320527585U CN 203602269 U CN203602269 U CN 203602269U
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Abstract
The utility model relates to a counterweight hanging device and a crane. The counterweight hanging device comprises a counterweight bottom plate, a counterweight bracket and a counterweight oil cylinder, wherein a counterweight is arranged on the counterweight bottom plate; the counterweight bracket is arranged on the counterweight bottom plate and is in hanging connection with a rotary table of the crane; the counterweight oil cylinder is arranged on the counterweight bottom plate; one end of the counterweight oil cylinder is connected with the counterweight bottom plate, and the other end of the counterweight oil cylinder is connected with the counterweight bracket; the counterweight oil cylinder is used for jacking the counterweight bracket. According to the counterweight hanging device and the crane, the counterweight can be hung by hanging the counterweight bracket, and the height of the counterweight is not limited by the distance between the tail of the rotary table of the crane and a chassis of the crane; the counterweight bracket is jacked by the counterweight oil cylinder, the counterweight bracket is in hanging connection with the rotary table of the crane, and the counterweight is not needed to be jacked, so that the hanging efficiency is high, the jacking weight of the counterweight oil cylinder is light, and the stability is high.
Description
Technical field
The utility model relates to engineering machinery field, relates in particular to a kind of counterbalanced weight hanging device and hoisting crane.
Background technology
Counterbalanced weight is one of important composition parts of hoisting crane, and it has determined the lifting performance of hoisting crane.In the hoisting process of hoisting crane, need to assemble counterbalanced weight, whether counterbalanced weight assembling is convenient, fast is the important indicator of weighing hoisting crane ease of use.
On hoister in large tonnage, adopt counterbalanced weight to articulate system and articulate counterbalanced weight.Counterbalanced weight articulates system and mainly comprises counterbalanced weight oil cylinder, counterweight block, counterbalanced weight support and control system, and the assembling that realizes counterbalanced weight by the motion of counterbalanced weight hydraulic oil cylinder driving counterbalanced weight support articulates.
Because the complete machine weight of hoister in large tonnage is large, under the operating mode that articulates counterbalanced weight, cannot transport and transition, need to carry out dismounting to counterbalanced weight, the reliability that counterbalanced weight articulates with articulate effectiveness affects and job schedule.So the reliability that raising counterbalanced weight articulates system is that Novel balance heavily articulates systematic research direction with articulating efficiency.The counterbalanced weight of applying on hoister in large tonnage at present articulates system, has the problems such as complicated operation, structure location difficulty, time of setting up length always.
The most widely used oil cylinder of crane articulates counterbalanced weight structure at present two kinds, and the first scheme adopts counterbalanced weight oil cylinder to be fixed on turntable, adopts the piston of oil cylinder to articulate counterbalanced weight stand-column articulating lifting implementation counterbalanced weight; This scheme is due to the height of the distance decision counterbalanced weight between turntable afterbody and chassis, restricted for hoister in large tonnage counterbalanced weight height, can not meet the counterbalanced weight that weight is larger.First scheme: the first cylinder barrel jack-up counterbalanced weight support of counterbalanced weight oil cylinder, rotation of rotary table aligns, and the heavy support of counterbalanced weight cylinder tube contraction bands kinetic balance falls to articulating counterbalanced weight support, and secondly cylinder piston rod contraction lifting compound type counterweight block completes and articulates; This scheme exists and articulates complicated operation, and stroke is larger, articulates procedure fault many simultaneously, and long problem expends time in.
Utility model content
The purpose of this utility model is to propose a kind of counterbalanced weight hanging device and hoisting crane, and it is applicable to large-tonnage counterbalanced weight, articulates efficiency high, and stability is high, and the flexible stroke of oil cylinder is relatively short.
For achieving the above object, the utility model provides a kind of counterbalanced weight hanging device, and it comprises:
Counterbalanced weight base plate, places counterbalanced weight on described counterbalanced weight base plate;
Counterbalanced weight support, described counterbalanced weight support is arranged on described counterbalanced weight base plate, and described counterbalanced weight support is for articulating with rotating platform of crane;
Counterbalanced weight oil cylinder, described counterbalanced weight oil cylinder is arranged on described counterbalanced weight base plate, and one end of described counterbalanced weight oil cylinder connects described counterbalanced weight base plate, and the other end connects described counterbalanced weight support, for counterbalanced weight support described in jacking;
Between described counterbalanced weight base plate and described counterbalanced weight support, adjustable limiting device is set, described adjustable limiting device comprises the threaded block being welded on described counterbalanced weight base plate, the top of described threaded block arranges retaining nut, one adjusting bolt is passed described retaining nut and described threaded block successively, and is threaded connection with described retaining nut and described threaded block; Can make to allow the pin shaft hole that described the first bearing pin passes to align with the pin shaft hole that allows described the first bearing pin to pass on described counterbalanced weight base plate on described counterbalanced weight support by described adjustable limiting device.
Technique scheme adopts the mode that articulates counterbalanced weight support to realize counterbalanced weight and articulates, and the height of counterbalanced weight is not subject to the restriction of the distance between rotating platform of crane afterbody and crane chassis, is applicable to large-tonnage counterbalanced weight; And counterbalanced weight oil cylinder only needs the heavy support of jacking balance, and counterbalanced weight support and rotating platform of crane are articulated, and does not need jacking balance weight, and therefore, the jacking weight of counterbalanced weight oil cylinder is little, and stability is high; Meanwhile, because the stroke of counterbalanced weight oil cylinder is relatively short, therefore, improve the synchronism of counterbalanced weight oil cylinder, extended the service life of counterbalanced weight oil cylinder; Counterbalanced weight oil cylinder is articulating in process without reciprocating action, counterbalanced weight oil cylinder after the jacking of counterbalanced weight support is put in place directly and rotating platform of crane articulate, articulate efficiency high.
Further, under the state before described counterbalanced weight support is by jacking, described counterbalanced weight support is connected with described counterbalanced weight base plate by the first bearing pin; Described counterbalanced weight support by the state of jacking under, take off described the first bearing pin that described counterbalanced weight support is connected with described counterbalanced weight base plate; Under state after described counterbalanced weight support is by jacking, mention described counterbalanced weight base plate, described counterbalanced weight support is connected with described counterbalanced weight base plate by described the first bearing pin again.Technique scheme is by the first bearing pin locking counterbalanced weight support and counterbalanced weight base plate, and the internal pressure of counterbalanced weight oil cylinder is 0, does not need, by the internal pressure of counterbalanced weight oil cylinder, counterbalanced weight support and counterbalanced weight base plate are carried out to locking, safe; And do not exist because letting out in counterbalanced weight oil cylinder, cause counterbalanced weight base plate to sink, the problem that impact is used.
Further, the bottom of described counterbalanced weight base plate is provided with some knock holees, described counterbalanced weight backplanes support on crane chassis, and coordinate with the locating piece arranging on described crane chassis by described knock hole realize location.
Further, the both sides, top of described counterbalanced weight base plate are provided with some boss, locate the described counterbalanced weight being placed on it by described boss.
Further, the cylinder barrel of described counterbalanced weight oil cylinder is all bolted described counterbalanced weight support, and the piston rod of described counterbalanced weight oil cylinder connects described counterbalanced weight base plate by bearing pin.
For achieving the above object, the utility model provides a kind of hoisting crane, and it comprises rotating platform of crane, also comprises above-mentioned counterbalanced weight hanging device, by described counterbalanced weight hanging device, counterbalanced weight is articulated on described rotating platform of crane.In technique scheme, the counterbalanced weight oil cylinder in counterbalanced weight hanging device is articulating in process without reciprocating action, and counterbalanced weight oil cylinder is directly worn axle with rotating platform of crane after the jacking of counterbalanced weight support is put in place and assembled, and efficiency of assembling is high; And there is accordingly above-mentioned counterbalanced weight hanging device.
Further, the top of the counterbalanced weight support in described counterbalanced weight hanging device is provided with pin shaft hole, aligns with the pin shaft hole of described rotating platform of crane top locking site setting, connects by the second bearing pin; The bottom of described counterbalanced weight support is provided with connection bearing pin, and the bottom locking site of described rotating platform of crane is provided with semicircle draw-in groove, and described semicircle draw-in groove is fastened on described connection bearing pin.
Further, the pipe link of described the second bearing pin connecting fluid compressing cylinder, described hydraulic ram is fixedly installed on described counterbalanced weight support, drives the flexible of described the second bearing pin by described hydraulic ram.
Further, described counterbalanced weight support top is provided with limiting stopper, described rotating platform of crane top is provided with limiting section, by the effect of described limiting stopper and described limiting section, can make to allow the pin shaft hole that described the second bearing pin passes to align with the pin shaft hole that allows described the second bearing pin to pass on described rotating platform of crane on described counterbalanced weight support.
Further, described counterbalanced weight is compound type counterweight block, forms by the upper and lower stacking placement of counterweight block of some uniform specification.
Further, described compound type counterweight block is arranged on the counterbalanced weight base plate in described counterbalanced weight hanging device by anti-tilt device, described anti-tilt device comprises chain, one end of described chain is connected and fixed by bearing pin and clamp with the effect block being arranged on described counterbalanced weight base plate, the other end of described chain is through center of gravity or the geometric center of gravity of counterweight block described in each, and the other end of described chain is connected and fixed by bearing pin and clamp with the effect baffle plate being arranged on the described counterweight block of the superiors.
Based on technique scheme, the utility model adopts counterbalanced weight backplanes support counterbalanced weight, and increases anti-tilt device, has improved hoister in large tonnage counterbalanced weight and articulate the safe reliability of system; Adopt short travel counterbalanced weight oil cylinder to promote counterbalanced weight support, disposable having articulated, the flexible stroke of oil cylinder is short, and easily assembling, has improved the efficiency that crane balance heavily articulates, and has reduced cost of labor and equipment loss; After having articulated, adopt counterbalanced weight backplanes support counterbalanced weight integral structure, between counterbalanced weight base plate and counterbalanced weight support, adopt mechanical system to be connected, reduced the impact on counterbalanced weight oil cylinder, extended the life-span of counterbalanced weight oil cylinder.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
One example structure schematic diagram of the counterbalanced weight hanging device that Fig. 1 provides for the utility model;
The bottom knock hole schematic diagram of the counterbalanced weight base plate that Fig. 2 provides for the utility model;
The working process schematic diagram of the counterbalanced weight hanging device that Fig. 3 provides for the utility model;
The structural representation of the adjustable limiting device that Fig. 4 provides for the utility model;
Counterbalanced weight hanging device and rotating platform of crane assembling schematic diagram that Fig. 5 provides for the utility model;
Fig. 6 articulates sectional perspective schematic diagram for rotating platform of crane and counterbalanced weight support that the utility model provides;
Fig. 7 articulates part plan schematic diagram for rotating platform of crane and counterbalanced weight support that the utility model provides;
Limiting stopper and limiting section schematic diagram that Fig. 8 provides for the utility model;
The structural representation of the anti-tilt device that Fig. 9 provides for the utility model.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in embodiment is clearly and completely described.Obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiment.Based on embodiment of the present utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The counterbalanced weight hanging device that the utility model provides is for being articulated to rotating platform of crane by counterbalanced weight.
As shown in Figure 1, the counterbalanced weight hanging device that the utility model provides comprises: for placing the counterbalanced weight base plate 1 of counterbalanced weight, the top of counterbalanced weight base plate 1 arranges counterbalanced weight support 2 and counterbalanced weight oil cylinder 3, counterbalanced weight support 2 is for articulating with rotating platform of crane, one end of counterbalanced weight oil cylinder 3 connects counterbalanced weight base plate 1, the other end connects counterbalanced weight support 2, by the heavy support 2 of counterbalanced weight oil cylinder 3 jacking balance, and then articulates with rotating platform of crane.Counterbalanced weight support 2 can be arranged on the crown center position of counterbalanced weight base plate 1; The top of counterbalanced weight base plate 1, the piston rod that the cylinder barrel that the both sides of counterbalanced weight support 2 can all arrange 3, two counterbalanced weight oil cylinders 3 of a counterbalanced weight oil cylinder is all bolted 2, two counterbalanced weight oil cylinders 3 of counterbalanced weight support all connects counterbalanced weight base plate 1 by bearing pin.
In above-described embodiment, counterbalanced weight is placed on counterbalanced weight base plate 1, but not on counterbalanced weight support 2, the heavy support 2 of 3 needs jacking balances of counterbalanced weight oil cylinder, counterbalanced weight support 2 and rotating platform of crane are articulated, do not need jacking balance weight, therefore, the jacking weight of counterbalanced weight oil cylinder 3 is little, and stability is high; And because the stroke of counterbalanced weight oil cylinder 3 is relatively short, therefore, promote the synchronism of counterbalanced weight oil cylinder 3; Extend the service life of counterbalanced weight oil cylinder 3.
As shown in Figure 1, the top of counterbalanced weight base plate 1, the both sides of counterbalanced weight support 2 are used for placing counterbalanced weight, in order to prevent that counterbalanced weight from shaking with respect to counterbalanced weight base plate 1, be provided with some boss 11 at the top of counterbalanced weight base plate 1, the groove adaptation that boss 11 and counterbalanced weight bottom arrange, for locating the counterbalanced weight that is placed on counterbalanced weight base plate 1 both sides.In the accompanying drawing 1 that the utility model provides, each side of counterbalanced weight support 2 all arranges three boss 11(but is not limited to this), three boss 11 are located a counterbalanced weight.
As shown in Figure 2, the bottom of counterbalanced weight base plate 1 is provided with some knock holees 12, shows two knock holees 12, but be not limited to this in the accompanying drawing 2 that the utility model provides; As shown in Figure 3, in the time articulating counterbalanced weight, counterbalanced weight base plate 1 is placed on crane chassis 4, for preventing that counterbalanced weight base plate 1 from rocking with respect to crane chassis 4, on crane chassis 4, be provided with locating piece 41, knock hole 12 adaptations by locating piece 41 with counterbalanced weight base plate 1 bottom, the location of realizing counterbalanced weight base plate 1 and crane chassis 4.On counterbalanced weight base plate 1, be also provided with otic placode 13.
As shown in Figure 3, the utility model passes through the heavy support 2 of counterbalanced weight oil cylinder 3 jacking balance, and then articulates with rotating platform of crane; Before the heavy support 2 of jacking balance, counterbalanced weight support 2 is connected with the otic placode 13 on counterbalanced weight base plate 1 by the first bearing pin 5; In the process of the heavy support 2 of jacking balance, take off the first bearing pin 5 between the otic placode 13 on counterbalanced weight support 2 and counterbalanced weight base plate 1; After the heavy support 2 of jacking balance, counterbalanced weight base plate 1 is promoted, counterbalanced weight support 2 is connected with the otic placode 13 on counterbalanced weight base plate 1 by the first bearing pin 5 again, now, the internal pressure of counterbalanced weight oil cylinder 3 is 0, does not need, by the internal pressure of counterbalanced weight oil cylinder 3, counterbalanced weight support 2 and counterbalanced weight base plate 1 are carried out to locking, but by the first bearing pin 5, counterbalanced weight support 2 and counterbalanced weight base plate 1 is carried out to locking, by the mode of above-mentioned mechanical locking, safe; And do not exist because letting out in counterbalanced weight oil cylinder 3, cause counterbalanced weight base plate 1 to sink, the problem that impact is used.
As shown in Figure 3, Figure 4, between counterbalanced weight base plate 1 and counterbalanced weight support 2, be provided with adjustable limiting device 6.Adjustable limiting device 6 comprises the threaded block 61 being welded on counterbalanced weight base plate 1, and the top of threaded block 61 arranges retaining nut 62, and adjusting bolt 63 is passed retaining nut 62 and threaded block 61 successively, and is threaded connection with retaining nut 62 and threaded block 61.Owing to can being connected by the first bearing pin 5 between the otic placode 13 on counterbalanced weight support 2 and counterbalanced weight base plate 1, under initial condition, the artificial adjusting bolt 63 of adjusting is to proper height, and by retaining nut's 62 lockings, can make to allow on counterbalanced weight support 2 upper and lower alignment of pin shaft hole that allows the first bearing pin 5 to pass on the otic placode 13 of pin shaft hole that the first bearing pin 5 passes and counterbalanced weight base plate 1, be beneficial to and wear the first bearing pin 5, counterbalanced weight support 2 is connected with counterbalanced weight base plate 1.In the process of the heavy support 2 of jacking balance, take off the first bearing pin 5 between the otic placode 13 on counterbalanced weight support 2 and counterbalanced weight base plate 1.After 2 jackings of counterbalanced weight support, counterbalanced weight base plate 1 promotes, by the position-limiting action of adjustable limiting device 6, can make to allow on counterbalanced weight support 2 pin shaft hole upper and lower alignment the again that allows the first bearing pin 5 to pass on the otic placode 13 of pin shaft hole that the first bearing pin 5 passes and counterbalanced weight base plate 1, be beneficial to and wear the first bearing pin 5, counterbalanced weight support 2 is connected with counterbalanced weight base plate 1.
As shown in Figure 5, the hoisting crane that the utility model provides comprises rotating platform of crane 7, also comprises the counterbalanced weight hanging device that above-mentioned the utility model provides, and by this counterbalanced weight hanging device, counterbalanced weight 8 is articulated on rotating platform of crane 7.The articulating of counterbalanced weight support 2 in the counterbalanced weight hanging device that the utility model provides on position, be provided with rotating platform of crane 7 articulate the suitable device in position and/or structure, concrete form is as follows.
As shown in Figure 1, Figure 6, Figure 7, counterbalanced weight support 2 comprises two outer panels that be arranged in parallel 21, the outside of two outer panels 21 is provided with for connecting the also bracing frame 22 of balance support heavy oil cylinder 3, the top of two outer panels 21 is provided with and between 23, two outer panels 21 of a cross connecting plate, is also provided with a longitudinal connecting panel 24.The inner side of two outer panels 21 is provided with an interior plate 25, and interior plate 25 is parallel with outer panel 21, and two interior plates 25 are all connected with cross connecting plate 23 and longitudinal connecting panel 24.Between interior plate 25 and its corresponding outer panel 21, there is certain intervals, form doubling plate.The top of two doubling plates forming is provided with a hydraulic pressure, and to wear the structure that 9, two hydraulic pressure of shaft device wear shaft device 9 basic identical.Hydraulic pressure is worn shaft device 9 and is comprised the hydraulic ram 91 being fixedly installed on interior plate 25, the pipe link of hydraulic ram 91 connects one end of the second bearing pin 92, the second bearing pin 92 can pass interior plate 25 and outer panel 21 successively by the driving of hydraulic ram 91, or retracts from interior plate 25 and outer panel 21.The doubling plate bottom that the outer panel 21 that interior plate 25 is corresponding with it forms is provided with a connection bearing pin 26, connects bearing pin 26 and connects interior plate 25 and outer panel 21.
As Fig. 1, Fig. 6, shown in Fig. 7, rotating platform of crane 7 is arranged at intervals with two bulge-structures 71 with the top that counterbalanced weight support 2 articulates position, on two bulge-structures 71, be provided with a pin shaft hole for the second bearing pin 92 is passed, two bulge-structure 71 tops of corresponding inserted between interior plate 25 and outer panel 21 respectively, on two bulge-structures 71, allow the pin shaft hole that the second bearing pin 92 passes to align with the pin shaft hole that allows the second bearing pin 92 to pass on interior plate 25 and outer panel 21, drive the second bearing pin 92 successively through interior plate 25 by hydraulic ram 91, bulge-structure 71 and outer panel 21, rotating platform of crane 7 is connected with the top of counterbalanced weight support 2.Rotating platform of crane 7 is arranged at intervals with two semicircle draw-in grooves 72 with the bottom that counterbalanced weight support 2 articulates position, semicircle draw-in groove 72, for being fastened on the connection bearing pin 26 between interior plate 25 and outer panel 21, is connected rotating platform of crane 7 with the bottom of counterbalanced weight support 2.
As Fig. 7, shown in Fig. 8, on the bulge-structure 71 of rotating platform of crane 7, be provided with limiting section 73, top between interior plate 25 and outer panel 21 is provided with limiting stopper 27, when bulge-structure 71 inserts between interior plate 25 and outer panel 21, limiting section 73 on bulge-structure 71 withstands on limiting stopper 27, by the position-limiting action of limiting section 73 and limiting stopper 27, pin shaft hole on bulge-structure 71 is alignd with the pin shaft hole of interior plate 25 and outer panel 21, drive the second bearing pin 92 successively through interior plate 25 by hydraulic ram 91, bulge-structure 71 and outer panel 21, rotating platform of crane 7 is connected with counterbalanced weight support 2.
In above-described embodiment, by connecting the effect of bearing pin 26 and semicircle draw-in groove 72, can realize counterbalanced weight support spacing and lower hanging point left and right is spacing Shang Xia 2; By the effect of limiting section 73 and limiting stopper 27, can realize on counterbalanced weight support 2 hanging point left and right spacing; By connecting after the combined action of bearing pin 26 and semicircle draw-in groove 72, limiting section 73 and limiting stopper 27, the pin shaft hole that can realize on bulge-structure 71 aligns with the pin shaft hole of interior plate 25 and outer panel 21, can promote the second bearing pin 92 realizations by hydraulic ram 91 afterwards and articulate.
In above-described embodiment, the hydraulic ram 91 of wearing shaft device 9 by hydraulic pressure drives the second bearing pin 92, can realize articulating of rotating platform of crane 7 and counterbalanced weight support 2 tops, be articulated in and connect on bearing pin 26 by semicircle draw-in groove 72, can realize articulating of rotating platform of crane 7 and counterbalanced weight support 2 bottoms, articulate conveniently simplified control.
As shown in Figure 5, Figure 9, counterbalanced weight 8 is compound type counterweight block, and it comprises the counterweight block of some uniform specification, and the counterweight block stacked on top of multiple uniform specification is placed, and uses anti-tilt device 10 to be locked on counterbalanced weight base plate 1.
In above-described embodiment, also can at the sidepiece of compound type counterweight block, anti-tilt device be set simultaneously.The counterweight block of multiple uniform specification all can adopt similar leg-of-mutton structure, the position of three angle points of counterweight block all can be set to inwardly recessed structure, in recessed structures, be provided with boss, when the counterweight block stacked on top of multiple uniform specification is placed, boss is vertically arranged in order, now, also can adopt another chain to be placed in recessed structure, and by this chain by each boss circle in wherein, and fastening by fastener, further compound type counterweight block is carried out to anti-dumping.
As shown in Fig. 3, Fig. 5, the working process that the counterbalanced weight hanging device that the utility model provides articulates counterbalanced weight and rotating platform of crane is as follows.
1) by counterbalanced weight base plate 1, counterbalanced weight support 2, counterbalanced weight oil cylinder 3 as a whole assembly winch on crane chassis 4, and coordinates realization to locate with the locating piece 41 on crane chassis 4 by the knock hole 12 on counterbalanced weight base plate 1; Compound type counterweight block is winched to the both sides of counterbalanced weight base plate 1, and by the boss 11 on counterbalanced weight base plate 1, compound type counterweight block is positioned; Complete after the assembling of compound type counterweight block, use anti-tilt device 10 fixing and locking compound type counterweight blocks.
2) rotating platform of crane 7 is turned round to centering, and the first bearing pin 5 being connected between the otic placode of counterbalanced weight base plate 1 13 and counterbalanced weight support 2 is removed; Start counterbalanced weight oil cylinder 3, at counterbalanced weight oil cylinder 3, by the process of the heavy support 2 of cylinder barrel jacking balance, the piston rod of counterbalanced weight oil cylinder 3 is supported on counterbalanced weight base plate 1; When counterbalanced weight support 2 reaches after preset height, counterbalanced weight oil cylinder 3 quits work.
3) rotating platform of crane 7 is aimed at counterbalanced weight support 2, the bulge-structure 71 that rotating platform of crane 7 tops arrange is plugged between the interior plate 25 and outer panel 21 of counterbalanced weight support 2, limiting section 73 on bulge-structure 71 withstands on the limiting stopper 27 between interior plate 25 and outer panel 21, by the position-limiting action of limiting section 73 and limiting stopper 27, make to allow the pin shaft hole that the second bearing pin 92 passes to align with the pin shaft hole that allows the second bearing pin 92 to pass on interior plate 25 and outer panel 21 on bulge-structure 71, drive the second bearing pin 92 successively through interior plate 25 by hydraulic ram 91, bulge-structure 71 and outer panel 21, rotating platform of crane 7 is connected with the top of counterbalanced weight support 2, meanwhile, the semicircle draw-in groove 72 that rotating platform of crane 7 bottoms arrange is fastened on the connection bearing pin 26 between interior plate 25 and outer panel 21, and rotating platform of crane 7 is connected with the bottom of counterbalanced weight support 2, completes articulating of counterbalanced weight support 2.
4) after counterbalanced weight support 2 has assembled, counterbalanced weight oil cylinder 3 shrinks, drive counterbalanced weight base plate 1 to rise, after counterbalanced weight base plate 1 rises to adjustable limiting device 6 and works, make to allow on counterbalanced weight support 2 pin shaft hole that allows the first bearing pin 5 to pass on the otic placode 13 of pin shaft hole that the first bearing pin 5 passes and counterbalanced weight base plate 1 to align by adjustable limiting device 6, insert the first bearing pin 5; The internal pressure that discharges counterbalanced weight oil cylinder 3, completes articulating of counterbalanced weight.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement the specific embodiment of the present utility model; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (10)
1. a counterbalanced weight hanging device, is characterized in that, comprising:
Counterbalanced weight base plate, places counterbalanced weight on described counterbalanced weight base plate;
Counterbalanced weight support, described counterbalanced weight support is arranged on described counterbalanced weight base plate, and described counterbalanced weight support is for articulating with rotating platform of crane;
Counterbalanced weight oil cylinder, described counterbalanced weight oil cylinder is arranged on described counterbalanced weight base plate, and one end of described counterbalanced weight oil cylinder connects described counterbalanced weight base plate, and the other end connects described counterbalanced weight support, for counterbalanced weight support described in jacking;
Between described counterbalanced weight base plate and described counterbalanced weight support, adjustable limiting device is set, described adjustable limiting device comprises the threaded block being welded on described counterbalanced weight base plate, the top of described threaded block arranges retaining nut, one adjusting bolt is passed described retaining nut and described threaded block successively, and is threaded connection with described retaining nut and described threaded block; Can make to allow the pin shaft hole that described the first bearing pin passes to align with the pin shaft hole that allows described the first bearing pin to pass on described counterbalanced weight base plate on described counterbalanced weight support by described adjustable limiting device.
2. counterbalanced weight hanging device as claimed in claim 1, it is characterized in that: the bottom of described counterbalanced weight base plate is provided with some knock holees, described counterbalanced weight backplanes support on crane chassis, and coordinate with the locating piece arranging on described crane chassis by described knock hole realize location.
3. counterbalanced weight hanging device as claimed in claim 1, is characterized in that: the both sides, top of described counterbalanced weight base plate are provided with some boss, locates the described counterbalanced weight being placed on it by described boss.
4. counterbalanced weight hanging device as claimed in claim 1, is characterized in that: the cylinder barrel of described counterbalanced weight oil cylinder is all bolted described counterbalanced weight support, and the piston rod of described counterbalanced weight oil cylinder connects described counterbalanced weight base plate by bearing pin.
5. a hoisting crane, comprises rotating platform of crane, it is characterized in that: it also comprises the counterbalanced weight hanging device as described in claim 1-4 any one, by described counterbalanced weight hanging device, counterbalanced weight is articulated on described rotating platform of crane.
6. hoisting crane as claimed in claim 5, is characterized in that: the top of the counterbalanced weight support in described counterbalanced weight hanging device is provided with pin shaft hole, aligns with the pin shaft hole of described rotating platform of crane top locking site setting, connects by the second bearing pin; The bottom of described counterbalanced weight support is provided with connection bearing pin, and the bottom locking site of described rotating platform of crane is provided with semicircle draw-in groove, and described semicircle draw-in groove is fastened on described connection bearing pin.
7. hoisting crane as claimed in claim 6, is characterized in that: the pipe link of described the second bearing pin connecting fluid compressing cylinder, described hydraulic ram is fixedly installed on described counterbalanced weight support, drives the flexible of described the second bearing pin by described hydraulic ram.
8. hoisting crane as claimed in claim 7, it is characterized in that: described counterbalanced weight support top is provided with limiting stopper, described rotating platform of crane top is provided with limiting section, by the effect of described limiting stopper and described limiting section, can make to allow the pin shaft hole that described the second bearing pin passes to align with the pin shaft hole that allows described the second bearing pin to pass on described rotating platform of crane on described counterbalanced weight support.
9. hoisting crane as claimed in claim 5, is characterized in that: described counterbalanced weight is compound type counterweight block, forms by the upper and lower stacking placement of counterweight block of some uniform specification.
10. hoisting crane as claimed in claim 9, it is characterized in that: described compound type counterweight block is arranged on the counterbalanced weight base plate in described counterbalanced weight hanging device by anti-tilt device, described anti-tilt device comprises chain, one end of described chain is connected and fixed by bearing pin and clamp with the effect block being arranged on described counterbalanced weight base plate, the other end of described chain is through center of gravity or the geometric center of gravity of counterweight block described in each, and the other end of described chain is connected and fixed by bearing pin and clamp with the effect baffle plate being arranged on the described counterweight block of the superiors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320527585.3U CN203602269U (en) | 2013-08-27 | 2013-08-27 | Counterweight hanging device and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320527585.3U CN203602269U (en) | 2013-08-27 | 2013-08-27 | Counterweight hanging device and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203602269U true CN203602269U (en) | 2014-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320527585.3U Expired - Fee Related CN203602269U (en) | 2013-08-27 | 2013-08-27 | Counterweight hanging device and crane |
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| Country | Link |
|---|---|
| CN (1) | CN203602269U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104444863A (en) * | 2014-12-11 | 2015-03-25 | 徐州重型机械有限公司 | Combined counterweight mounting structure and mobile crane |
-
2013
- 2013-08-27 CN CN201320527585.3U patent/CN203602269U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104444863A (en) * | 2014-12-11 | 2015-03-25 | 徐州重型机械有限公司 | Combined counterweight mounting structure and mobile crane |
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Granted publication date: 20140521 Termination date: 20180827 |