CN103395707B - Counterweight connection structure for rotary table - Google Patents
Counterweight connection structure for rotary table Download PDFInfo
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- CN103395707B CN103395707B CN201310336797.8A CN201310336797A CN103395707B CN 103395707 B CN103395707 B CN 103395707B CN 201310336797 A CN201310336797 A CN 201310336797A CN 103395707 B CN103395707 B CN 103395707B
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Abstract
The invention discloses a counterweight connection structure for a rotary table and relates to the technical field of engineering machinery. The counterweight connection structure for the rotary table solves the problem that the prior art has poor versatility. The counterweight connection structure for the rotary table comprises a first connection piece, a second connecting piece and a third connecting piece. The first connection piece and the second connecting piece are fixedly connected to the rotary table. The first connection piece is removably and fixedly connected to a hanging box of a counterweight. The third connecting piece is hung on a tray of the counterweight or the third connecting piece is fixedly connected to the tray of the counterweight. The second connecting piece is removably and fixedly connected to the third connecting piece. The counterweight connection structure for the rotary table has high versatility.
Description
Technical field
The present invention relates to technical field of engineering machinery, be specifically related to a kind of Counterweight connection structure for turntable.
Background technology
Crawler crane is a kind of for adopting the hoisting crane of the truss-type cantilever crane structure of caterpillar band traveling chassis.Turntable is stage apparatus crawler crane being placed power system, power hydraulic system etc.Counterbalanced weight (or claim: counterweight) be for ensureing cast type or the structure fill-type weight of whole vehicle stability on crawler crane.
The turntable of crawler crane is as connecting the key structure part of getting on or off the bus, and placed inside has parts and the mechanisms such as hydraulic reservoir, fuel tank, engine system, and outside parts are connected with mast, principal arm coxopodite arm, counterbalanced weight etc.
As shown in Fig. 1 ~ Fig. 6, at present, caterpillar crane turntable counterbalanced weight is divided into box-hanging type and pellet type two kinds, the counterbalanced weight of two kinds of forms and the connection mode of turntable 4 different.
At present, the structure that on caterpillar crane turntable 4, counterbalanced weight connects can only meet the installation of wherein a kind of form counterbalanced weight, can not realize the exchange of two kinds of form counterbalanceds weight.
As depicted in figs. 1 and 2, the extension case 5 of box-hanging type counterbalanced weight is installed on the rear portion of caterpillar crane turntable 4.
Box-hanging type counterweight is connected with the upper ear plate 73 of turntable 4, otic placode 74 respectively by bearing pin 71, bearing pin 72.
As shown in Fig. 3 ~ Fig. 6, the counterbalanced weight of pellet type counterbalanced weight in it is positioned on the pallet (or claim: counterweight pallet) of counterbalanced weight, the pallet of counterbalanced weight with pass through pinned connection from dismounting suspender, be connected with from dismounting oil cylinder 84 by bearing pin from dismounting suspender, be connected with turntable 4 by bolt from dismounting oil cylinder 84.The pallet of counterbalanced weight and the connection of turntable 4 need to connect bearing pin and bearing pin oil cylinder 82 everywhere.When turntable 4 connects the pallet of counterbalanced weight, bearing pin oil cylinder 82 is by hydraulic action, and got by flexible bearing pin 83, telescopic oil cylinder stretches out and passes the hole on the pallet of otic placode assembly 81 and counterbalanced weight; When dismantling the pallet of counterbalanced weight from turntable 4, bearing pin oil cylinder by hydraulic action will stretch bearing pin regain.
At least there is following technical matters in prior art:
The structure that the turntable counterbalanced weight of the crawler crane provided in prior art connects can only meet the installation of box-hanging type counterbalanced weight and pellet type counterbalanced weight wherein a kind of form counterbalanced weight, counterbalanced weight in two forms can not realize general exchange, the requirement of client to the general exchange of counterbalanced weight can not be met.
Summary of the invention
The object of the invention is to propose a kind of Counterweight connection structure for turntable, solve prior art and there is the poor technical matters of commonality.
For achieving the above object, the invention provides following technical scheme:
The Counterweight connection structure for turntable that the embodiment of the present invention provides, comprises the first attaching parts, the second attaching parts and the 3rd attaching parts, wherein:
Described first attaching parts, described second attaching parts are all fixedly connected with turntable;
Described first attaching parts is detachably fixedly connected with the extension case of counterbalanced weight;
On the pallet that described 3rd attaching parts is articulated in described counterbalanced weight and described 3rd attaching parts can apply vertically for the pallet of described counterbalanced weight pulling force, or described 3rd attaching parts is fixedly connected with the pallet of described counterbalanced weight;
Described second attaching parts is detachably fixedly connected with described 3rd attaching parts.
In one preferably or alternatively embodiment, described turntable comprises the relative cant board in two pieces of positions, and described in every block, its top of cant board is all fixedly connected with upper cover plate, is all fixedly connected with lower cover bottom it;
Described first attaching parts is fixedly connected on described cant board, described upper cover plate and described lower cover;
Described second attaching parts is fixedly connected on described lower cover.
In one preferably or alternatively embodiment, described first attaching parts comprises side otic placode, top otic placode and assembling otic placode;
The outer wall of at least one piece of described cant board is fixedly connected with at least two pieces of described side otic placodes,
The described upper cover plate being fixedly connected with the described cant board of described side otic placode is also fixedly connected with at least one piece of described top otic placode, further, the described upper cover plate being fixedly connected with the described cant board of described side otic placode is also detachably fixedly connected with at least one piece of described assembling otic placode;
The extension case of described counterbalanced weight comprises box bottom and is fixedly connected on two pieces of box sides of described box bottom both sides, and described box side comprises vertical arris and horizontal arris, wherein:
Described vertical arris is detachably fixedly connected with described side otic placode;
In two pieces of described box sides, the described horizontal arris of one of them is detachably fixedly connected with described top otic placode, and in two pieces of described box sides, wherein another described horizontal arris is detachably fixedly connected with described assembling otic placode.
In one preferably or alternatively embodiment, the outer wall of two pieces of described cant boards is all fixedly connected with described side otic placode separately, the described upper cover plate of two pieces of described cant boards is all fixedly connected with described top otic placode separately, the described upper cover plate of two pieces of described cant boards is all detachably fixedly connected with described assembling otic placode separately;
The number of the extension case of described counterbalanced weight is two, and described side otic placode, described top otic placode and the described assembling otic placode on relative with the two pieces of positions respectively described cant board of the respective described box side of the extension case of two described counterbalanceds weight is detachably fixedly connected with.
In one preferably or alternatively embodiment, be describedly detachably fixedly connected as pinned connection.
In one preferably or alternatively embodiment, on the extension case of same described counterbalanced weight, wherein:
Vertical arris described in every block all with otic placode pinned connection in side described in a pair, wherein top otic placode pinned connection described in the described horizontal arris of one piece of described box side and a pair, wherein assembles otic placode pinned connection described in the described horizontal arris of box side described in another block and a pair.
In one preferably or alternatively embodiment, assemble described in a pair between otic placode and be also fixedly connected with cushion block.
In one preferably or alternatively embodiment, described second attaching parts comprises location otic placode and bearing pin oil cylinder, wherein:
Described chucking lug backboard is fixedly connected with from the sidewall of the pallet of described counterbalanced weight with the cylinder barrel of described bearing pin oil cylinder;
The in-oil cylinder flexible bearing pin of described bearing pin runs through the mounting hole on the otic placode of described location and the connecting bore on described 3rd attaching parts.
In one preferably or alternatively embodiment, described location otic placode is also fixedly connected with alignment pin, and described 3rd attaching parts is provided with positioning recess, and described alignment pin is embedded in described positioning recess.
In one preferably or alternatively embodiment, lower cover described in every block is all fixedly connected with at least two pieces of described location otic placodes.
Based on technique scheme, the embodiment of the present invention at least can produce following technique effect:
The embodiment of the present invention provide in the Counterweight connection structure of turntable, because the first attaching parts is detachably fixedly connected with the extension case of counterbalanced weight, second attaching parts is detachably fixedly connected with the 3rd attaching parts, when box-hanging type counterbalanced weight installed by needs on turntable, only the extension case of counterbalanced weight is connected on the first attaching parts, when needs during tray formula counterbalanced weight, are only connected to the second attaching parts that the pallet of counterbalanced weight mounts mutually or is fixedly connected with on the 3rd attaching parts on turntable.As can be seen here, the present invention both can make turntable possess the function of installing box-hanging type counterbalanced weight, and turntable can be made again to possess the function of tray formula counterbalanced weight, and commonality is even more ideal, so solve prior art to there is the poor technical matters of commonality.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of annexation between box-hanging type counterbalanced weight and turntable in prior art;
Fig. 2 is the enlarged diagram of local structure in Fig. 1;
Fig. 3 is the schematic diagram of annexation between pellet type counterbalanced weight and turntable in prior art;
Fig. 4 is the enlarged diagram of local structure in a-quadrant in Fig. 3;
Fig. 5 is the enlarged diagram of local structure in B region in Fig. 3;
Fig. 6 is the schematic diagram of annexation between pellet type counterbalanced weight inner equilibrium beam, chain and arm-tie in prior art;
Fig. 7 is the schematic diagram of annexation between the turntable of the Counterweight connection structure for turntable that arranges the embodiment of the present invention and provide and the extension case being mounted with counterbalanced weight;
Fig. 8 is the structural representation of turntable shown in Fig. 7;
Fig. 9 is the enlarged diagram of local structure in the C of turntable shown in Fig. 8 region;
Figure 10 is the schematic diagram of annexation between the turntable of the Counterweight connection structure for turntable that arranges the embodiment of the present invention and provide and the pallet being mounted with counterbalanced weight;
Figure 11 is for being mounted with the schematic diagram of annexation between the pallet of counterbalanced weight and equalizing bar, chain and arm-tie shown in Figure 10;
Figure 12 is the enlarged diagram of local structure in D region in Figure 11;
Figure 13 is the enlarged diagram of local structure in E region in Figure 11;
Figure 14 is close-up schematic view in F region in Figure 11;
The schematic diagram of annexation between the assembling otic placode of the Counterweight connection structure for turntable that Figure 15 provides for the embodiment of the present invention and cushion block;
Reference numeral: 1, the first attaching parts; 11, side otic placode; 12, top otic placode; 13, otic placode is assembled; 14, cushion block; 2, the second attaching parts; 21, otic placode is located; 210, mounting hole; 3, the 3rd attaching parts; 30, positioning recess; 31, connecting bore; 4, turntable; 41, cant board; 42, upper cover plate; 43, lower cover; 5, case is hung; 51, box bottom; 52, box side; 521, vertical arris; 522, horizontal arris; 6, pallet; 71, bearing pin; 72, bearing pin; 73, upper ear plate; 74, otic placode; 81, otic placode assembly; 82, bearing pin oil cylinder; 83, flexible bearing pin; 84, from dismounting oil cylinder.
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 ~ Figure 15 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 every block technical characteristic all emphasizes that it is one of optional numerous embodiments, so those skilled in the art should know: 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 and not pay the thinkable any alternate embodiments of creative work.
Embodiments provide a kind of commonality more preferably for the Counterweight connection structure of turntable.
Below in conjunction with the elaboration that Fig. 8 ~ Figure 15 carries out specifically to technical scheme provided by the invention, arbitrary technological means provided by the invention is carried out replace or two pieces provided by the invention or more block technological means are carried out mutually combining and the technical scheme obtained all should within protection scope of the present invention.
As shown in Fig. 8 ~ Figure 15, the Counterweight connection structure for turntable that the embodiment of the present invention provides comprises the first attaching parts (comprising side otic placode 11, top otic placode 12 and assembling otic placode 13) the 1, second attaching parts (comprising bearing pin oil cylinder and alignment pin) 2 and the 3rd attaching parts (being preferably provided with the plate of positioning recess 30 and connecting bore 31) 3, wherein:
First attaching parts 1, second attaching parts 2 is all fixedly connected with turntable 4.
First attaching parts 1 is detachably fixedly connected with the extension case 5 of counterbalanced weight.
3rd attaching parts 3 is articulated on the pallet 6 of counterbalanced weight, or the 3rd attaching parts 3 is fixedly connected with the pallet 6 of counterbalanced weight.
Second attaching parts 2 is detachably fixedly connected with the 3rd attaching parts 3.
In the Counterweight connection structure for turntable 4 that the embodiment of the present invention provides, because the first attaching parts 1 is detachably fixedly connected with the extension case 5 of counterbalanced weight, second attaching parts 2 is detachably fixedly connected with the 3rd attaching parts 3, when extension case 5 formula counterbalanced weight installed by needs on turntable 4, only the extension case 5 of counterbalanced weight is connected on the first attaching parts 1, when needs during tray formula counterbalanced weight, are only connected to the second attaching parts 2 that pallet 6 phase of counterbalanced weight mounts or is fixedly connected with on the 3rd attaching parts 3 on turntable 4.As can be seen here, the present invention both can make turntable 4 possess the function of installing and hanging case 5 formula counterbalanced weight, and turntable 4 can be made again to possess the function of tray formula counterbalanced weight, and commonality is even more ideal.
As one preferably or alternatively embodiment, turntable 4 comprises the relative cant board 41 in two pieces of positions, and every its top of block cant board 41 is all fixedly connected with upper cover plate 42, is all fixedly connected with lower cover 43 bottom it.First attaching parts 1 is fixedly connected on cant board 41, upper cover plate 42 and lower cover 43.Second attaching parts 2 is fixedly connected on lower cover 43.The compact conformation of this connection structure, and be convenient to manufacture.
As one preferably or alternatively embodiment, the first attaching parts 1 comprises side otic placode 11, top otic placode 12 and assembling otic placode 13.
The outer wall of at least one piece of cant board 41 is fixedly connected with at least two pieces of side otic placodes 11,
The upper cover plate 42 being fixedly connected with the cant board 41 of side otic placode 11 is also fixedly connected with at least one piece of top otic placode 12, and, the upper cover plate 42 being fixedly connected with the cant board 41 of side otic placode 11 is also detachably fixedly connected with and at least onely packagedly joins otic placode 13.
The extension case 5 of counterbalanced weight comprises box bottom 51 and is fixedly connected on two pieces of box sides 52 of box bottom 51 both sides, and box side 52 comprises vertical arris 521 and horizontal arris 522, wherein:
Vertical arris 521 is detachably fixedly connected with side otic placode 11;
In two pieces of box sides 52, the horizontal arris 522 of one of them is detachably fixedly connected with top otic placode 12, and in two pieces of box sides 52, wherein another horizontal arris 522 is detachably fixedly connected with assembling otic placode 13.
Said structure is convenient to the installation that counterbalanced weight hangs case 5.
As one preferably or alternatively embodiment, the outer wall of two pieces of cant boards 41 is all fixedly connected with side otic placode 11 separately, the respective upper cover plate 42 being all fixedly connected with top otic placode 12, two pieces of cant boards 41 is all detachably fixedly connected with assembling otic placode 13 separately with the upper cover plate 42 of two pieces of cant boards 41.
The number of the extension case 5 of counterbalanced weight is two, and side otic placode 11, top otic placode 12 on relative with the two pieces of positions respectively cant board 41 of the respective box side 52 of the extension case 5 of two counterbalanceds weight and assemble otic placode 13 and be detachably fixedly connected with.
The extension case 5 of two counterbalanceds weight can carry two counterbalanceds weight, can make to arrange the turntable 4 hanging case 5 formula counterbalanced weight thus stressed more balanced everywhere.
As one preferably or alternatively embodiment, be detachably fixedly connected as pinned connection.Pinned connection has the advantage of installation, convenient disassembly.Certainly, be detachably fixedly connected with and bolt or screw connection also can be used to replace.
As one preferably or alternatively embodiment, on the extension case 5 of same counterbalanced weight, the vertical arris 521 of every block all with a pair side otic placode 11 pinned connection, and wherein otic placode 12 pinned connection above the horizontal arris 522 of one piece of box side 52 and a pair, wherein another block box side 52 horizontal arris 522 and assemble otic placode 13 pinned connection for a pair.
A pair side otic placode 11, otic placode 12 and a pair assembling otic placode 13 can form the structure of similar mounting groove above a pair, be convenient to the installation of vertical arris 521 or horizontal arris 522, and Joint strenght are also even more ideal.
As one preferably or alternatively embodiment, between a pair assembling otic placode 13, be also fixedly connected with cushion block 14.Cushion block 14 can have supporting role to the adapter shaft running through space between a pair assembling otic placode 13.
As one preferably or alternatively embodiment, the second attaching parts 2 comprises location otic placode 21 and bearing pin oil cylinder, wherein:
The sidewall that location otic placode 21 deviates from the pallet 6 of counterbalanced weight is fixedly connected with the cylinder barrel of bearing pin oil cylinder.
The in-oil cylinder flexible bearing pin of bearing pin runs through the mounting hole 210 on the otic placode 21 of location and the connecting bore 31 on the 3rd attaching parts 3.The in-oil cylinder flexible bearing pin of bearing pin runs through and one end of the mounting hole 210 extended on the otic placode 21 of location and the connecting bore 31 on the 3rd attaching parts 3 can also arrange the similar anti-falling pieces such as locking pin.
The telescopic pin shaft extension of bearing pin oil cylinder go out and the mounting hole 210 run through on the otic placode 21 of location and connecting bore 31 on the 3rd attaching parts 3 time, the connection of turntable 4 and the pallet 6 of counterbalanced weight can be realized.Otherwise, the pallet 6 of counterbalanced weight can be disassembled from turntable 4.
As one preferably or alternatively embodiment, location otic placode 21 is also fixedly connected with alignment pin, and the 3rd attaching parts 3 is provided with positioning recess 30, and alignment pin is embedded in positioning recess 30.
Alignment pin matches with positioning recess 30 and can be in place on turntable 4 by the pallet 6 of counterbalanced weight fast.
As one preferably or alternatively embodiment, every block lower cover 43 is all fixedly connected with at least two pieces of location otic placodes 21.Multiple location otic placode 21 can increase the Joint strenght of turntable 4 and counterweight tray 6, and, contribute to the accuracy keeping turntable 4 and counterweight tray 6 connection structure.
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 the component part that polylith is independent, 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 (8)
1. for a Counterweight connection structure for turntable, it is characterized in that, comprise the first attaching parts, the second attaching parts and the 3rd attaching parts, wherein:
Described first attaching parts, described second attaching parts are all fixedly connected with turntable;
Described first attaching parts is detachably fixedly connected with the extension case of counterbalanced weight;
On the pallet that described 3rd attaching parts is articulated in described counterbalanced weight and described 3rd attaching parts can apply vertically for the pallet of described counterbalanced weight pulling force, or described 3rd attaching parts is fixedly connected with the pallet of described counterbalanced weight;
Described second attaching parts is detachably fixedly connected with described 3rd attaching parts;
Described turntable comprises the relative cant board in two pieces of positions, and described in every block, its top of cant board is all fixedly connected with upper cover plate, is all fixedly connected with lower cover bottom it;
Described first attaching parts is fixedly connected on described cant board, described upper cover plate and described lower cover;
Described second attaching parts is fixedly connected on described lower cover;
Described first attaching parts comprises side otic placode, top otic placode and assembling otic placode;
The outer wall of at least one piece of described cant board is fixedly connected with at least two pieces of described side otic placodes,
The described upper cover plate being fixedly connected with the described cant board of described side otic placode is also fixedly connected with at least one piece of described top otic placode, further, the described upper cover plate being fixedly connected with the described cant board of described side otic placode is also detachably fixedly connected with at least one piece of described assembling otic placode;
The extension case of described counterbalanced weight comprises box bottom and is fixedly connected on two pieces of box sides of described box bottom both sides, and described box side comprises vertical arris and horizontal arris, wherein:
Described vertical arris is detachably fixedly connected with described side otic placode;
In two pieces of described box sides, the described horizontal arris of one of them is detachably fixedly connected with described top otic placode, and in two pieces of described box sides, wherein another described horizontal arris is detachably fixedly connected with described assembling otic placode.
2. the Counterweight connection structure for turntable according to claim 1, it is characterized in that, the outer wall of two pieces of described cant boards is all fixedly connected with described side otic placode separately, the described upper cover plate of two pieces of described cant boards is all fixedly connected with described top otic placode separately, the described upper cover plate of two pieces of described cant boards is all detachably fixedly connected with described assembling otic placode separately;
The number of the extension case of described counterbalanced weight is two, and described side otic placode, described top otic placode and the described assembling otic placode on relative with the two pieces of positions respectively described cant board of the respective described box side of the extension case of two described counterbalanceds weight is detachably fixedly connected with.
3. the Counterweight connection structure for turntable according to claim 2, is characterized in that, is describedly detachably fixedly connected as pinned connection.
4. the Counterweight connection structure for turntable according to claim 2, is characterized in that, on the extension case of same described counterbalanced weight, wherein:
Vertical arris described in every block all with otic placode pinned connection in side described in a pair, wherein top otic placode pinned connection described in the described horizontal arris of one piece of described box side and a pair, wherein assembles otic placode pinned connection described in the described horizontal arris of box side described in another block and a pair.
5. the Counterweight connection structure for turntable according to claim 4, is characterized in that, assembles between otic placode and be also fixedly connected with cushion block described in a pair.
6., according to the arbitrary described Counterweight connection structure for turntable of claim 2-5, it is characterized in that, described second attaching parts comprises location otic placode and bearing pin oil cylinder, wherein:
Described chucking lug backboard is fixedly connected with from the sidewall of the pallet of described counterbalanced weight with the cylinder barrel of described bearing pin oil cylinder;
The in-oil cylinder flexible bearing pin of described bearing pin runs through the mounting hole on the otic placode of described location and the connecting bore on described 3rd attaching parts.
7. the Counterweight connection structure for turntable according to claim 6, is characterized in that, described location otic placode is also fixedly connected with alignment pin, and described 3rd attaching parts is provided with positioning recess, and described alignment pin is embedded in described positioning recess.
8. the Counterweight connection structure for turntable according to claim 6, is characterized in that, lower cover described in every block is all fixedly connected with at least two pieces of described location otic placodes.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310336797.8A CN103395707B (en) | 2013-08-05 | 2013-08-05 | Counterweight connection structure for rotary table |
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| CN201310336797.8A CN103395707B (en) | 2013-08-05 | 2013-08-05 | Counterweight connection structure for rotary table |
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| CN103395707A CN103395707A (en) | 2013-11-20 |
| CN103395707B true CN103395707B (en) | 2015-05-27 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103708364B (en) * | 2013-12-31 | 2015-12-09 | 太原重工股份有限公司 | There is lift system and the hoisting crane of balance weight assembly |
| CN110077970A (en) * | 2019-05-06 | 2019-08-02 | 徐工集团工程机械股份有限公司建设机械分公司 | A kind of combination balancing weight structure and its crawler crane |
| CN110937527B (en) * | 2019-11-28 | 2024-07-19 | 徐工集团工程机械股份有限公司建设机械分公司 | Balanced heavy explicit structure of hanging and hoist |
| CN112590952A (en) * | 2021-01-04 | 2021-04-02 | 浙江三一装备有限公司 | Counter weight mounting structure and engineering machinery |
| CN113120784B (en) * | 2021-04-19 | 2024-03-22 | 徐工集团工程机械股份有限公司建设机械分公司 | Counterweight, crane and counterweight use method |
| CN112960574B (en) * | 2021-04-28 | 2023-10-24 | 徐工集团工程机械股份有限公司建设机械分公司 | Bracket of crane counterweight and crane |
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| CN203411262U (en) * | 2013-08-05 | 2014-01-29 | 徐工集团工程机械股份有限公司 | Counterweight connecting structure for turntable |
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| JP5140303B2 (en) * | 2007-04-04 | 2013-02-06 | 日立住友重機械建機クレーン株式会社 | Counterweight mounting device |
| US9278834B2 (en) * | 2009-08-06 | 2016-03-08 | Manitowoc Crane Group, LLC | Lift crane with moveable counterweight |
| CN101643182B (en) * | 2009-08-19 | 2014-07-09 | 三一汽车制造有限公司 | Balancing weight handling device and movable crane |
| CN201746254U (en) * | 2010-08-09 | 2011-02-16 | 辽宁抚挖重工机械股份有限公司 | Crawler crane combined rotary table |
| CN202766164U (en) * | 2012-09-26 | 2013-03-06 | 中联重科股份有限公司 | Counter weight installation device and crane |
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| CN203411262U (en) * | 2013-08-05 | 2014-01-29 | 徐工集团工程机械股份有限公司 | Counterweight connecting structure for turntable |
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