CN103395707A - Counterweight connection structure for rotary table - Google Patents
Counterweight connection structure for rotary table Download PDFInfo
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- CN103395707A CN103395707A CN2013103367978A CN201310336797A CN103395707A CN 103395707 A CN103395707 A CN 103395707A CN 2013103367978 A CN2013103367978 A CN 2013103367978A CN 201310336797 A CN201310336797 A CN 201310336797A CN 103395707 A CN103395707 A CN 103395707A
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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 connection structure of counterbalanced weight for turntable.
Background technology
Crawler crane is a kind of hoisting crane of the truss-type cantilever crane structure for adopting caterpillar band traveling chassis.Turntable is the stage apparatus of placing power system, power hydraulic system etc. on crawler crane.Counterbalanced weight (or claims: be counterweight) to be used for guaranteeing cast type or the structure fill-type weight of whole vehicle stability on crawler crane.
The key structure spare that the turntable of crawler crane is got on or off the bus as connection, inside are laid parts and the mechanisms such as hydraulic reservoir, fuel tank, engine system, and outside is connected with parts such as mast, principal arm coxopodite arm, counterbalanceds weight.
As Fig. 1～shown in Figure 6, at present, the caterpillar crane turntable counterbalanced weight is divided into two kinds of box-hanging type and pellet types, and the connection mode of the counterbalanced weight of two kinds of forms and turntable 4 is different.
At present, the structure that on caterpillar crane turntable 4, counterbalanced weight connects can only meet wherein a kind of installation 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.
The box-hanging type counterweight is connected with upper ear plate 73, the otic placode 74 of turntable 4 respectively by bearing pin 71, bearing pin 72.
As Fig. 3～shown in Figure 6, the pallet that its interior counterbalanced weight of pellet type counterbalanced weight is positioned over counterbalanced weight (or claims: the counterweight pallet), the pallet of counterbalanced weight be connected by bearing pin from the dismounting suspender, from the dismounting suspender by bearing pin be connected from dismounting oil cylinder 84, be connected with turntable 4 by bolt from dismounting oil cylinder 84.The pallet of counterbalanced weight need to connect bearing pin and bearing pin oil cylinder 82 everywhere with being connected of turntable 4.While connecting the pallet of counterbalanced weight on turntable 4, bearing pin oil cylinder 82 is by hydraulic action, and the bearing pin 83 that will stretch is got, and telescopic oil cylinder stretches out and passes hole on the pallet of otic placode assembly 81 and counterbalanced weight; During from the pallet of turntable 4 dismounting counterbalanceds weight, the bearing pin oil cylinder is regained by the hydraulic action bearing pin that will stretch.
There is following technical matters at least in prior art:
The structure that the turntable counterbalanced weight of the crawler crane that provides in prior art connects can only meet box-hanging type counterbalanced weight and the wherein a kind of installation of form counterbalanced weight of pellet type counterbalanced weight,, so the counterbalanced weight of two kinds of forms can not be realized general exchange, can not meet the requirement of client to the general exchange of counterbalanced weight.
Summary of the invention
The objective of the invention is to propose a kind of connection structure of counterbalanced weight for turntable, solved prior art and had the poor technical matters of commonality.
For achieving the above object, the invention provides following technical scheme:
The counterbalanced weight connection structure that is used for turntable that the embodiment of the present invention provides, comprise the first attaching parts, the second attaching parts and the 3rd attaching parts, wherein:
Described the first attaching parts, described the second attaching parts all are fixedly connected with turntable;
Described the first attaching parts detachably is fixedly connected with the extension case of counterbalanced weight;
Described the 3rd attaching parts is articulated on the pallet of described counterbalanced weight and described the 3rd attaching parts can apply for the pallet of described counterbalanced weight vertically pulling force, and perhaps, described the 3rd attaching parts is fixedly connected with the pallet of described counterbalanced weight;
Described the second attaching parts detachably is fixedly connected with described the 3rd attaching parts.
Preferably or alternatively in embodiment, described turntable comprises two cant boards that position is relative at one, and every its top of described cant board all is fixedly connected with upper cover plate, and its bottom all is fixedly connected with lower cover;
Described the first attaching parts is fixedly connected on described cant board, described upper cover plate and described lower cover;
Described the second attaching parts is fixedly connected on described lower cover.
Preferably or alternatively in embodiment, described the first attaching parts comprises side otic placode, top otic placode and assembling otic placode at one;
The outer wall of at least one described cant board is fixedly connected with at least two described side otic placodes,
Be fixedly connected with on the described upper cover plate of described cant board of described side otic placode and also be fixedly connected with at least one described top otic placode, and, be fixedly connected with on the described upper cover plate of described cant board of described side otic placode and also detachably be fixedly connected with at least one described assembling otic placode;
Two box sides that the extension case of described counterbalanced weight comprises box bottom and is fixedly connected on described box bottom both sides, described box side comprises vertical arris and horizontal arris, wherein:
Described vertical arris detachably is fixedly connected with described side otic placode;
In two described box sides, the described horizontal arris of one of them detachably is fixedly connected with described top otic placode, in two described box sides wherein another described horizontal arris detachably be fixedly connected with described assembling otic placode.
At one preferably or alternatively in embodiment, the outer wall of two described cant boards all is fixedly connected with described side otic placode separately, all be fixedly connected with separately described top otic placode on the described upper cover plate of two described cant boards, all detachably be fixedly connected with separately described assembling otic placode on the described upper cover plate of two described cant boards;
The number of the extension case of described counterbalanced weight is two, and the described box side separately of the extension case of two described counterbalanceds weight respectively described side otic placode, described top otic placode and the described assembling otic placode on the described cant board relative with two positions detachably be fixedly connected with.
Preferably or alternatively in embodiment, the described bearing pin that detachably is fixedly connected as connects at one.
At one preferably or alternatively in embodiment, on the extension case of same described counterbalanced weight, wherein:
Every described vertical arris all is connected with a pair of described side otic placode bearing pin, wherein the described horizontal arris of a described box side is connected with a pair of described top otic placode bearing pin, and wherein the described horizontal arris of the described box side of another piece is connected with a pair of described assembling otic placode bearing pin.
Preferably or alternatively in embodiment, also be fixedly connected with cushion block between a pair of described assembling otic placode at one.
Preferably or alternatively in embodiment, described the second attaching parts comprises location otic placode and bearing pin oil cylinder at one, wherein:
Described chucking lug backboard is fixedly connected with the cylinder barrel of described bearing pin oil cylinder from the sidewall of the pallet of described counterbalanced weight;
The in-oil cylinder flexible bearing pin of described bearing pin runs through mounting hole on the otic placode of described location and the connecting bore on described the 3rd attaching parts.
Preferably or alternatively in embodiment, also be fixedly connected with alignment pin on the otic placode of described location at one, be provided with positioning recess on described the 3rd attaching parts, described alignment pin is embedded in described positioning recess.
Preferably or alternatively in embodiment, all be fixedly connected with at least two described location otic placodes at one on every described lower cover.
Based on technique scheme, the embodiment of the present invention can produce following technique effect at least:
The counterbalanced weight connection structure that is used for turntable that the embodiment of the present invention provides, because the first attaching parts detachably is fixedly connected with the extension case of counterbalanced weight, the second attaching parts detachably is fixedly connected with the 3rd attaching parts, when needs are installed the box-hanging type counterbalanced weight on turntable, only the extension case of counterbalanced weight is connected on the first attaching parts, when needs during tray formula counterbalanced weight, only will be connected on the 3rd attaching parts and get final product with the second attaching parts that the pallet of counterbalanced weight articulates mutually or is fixedly connected with on turntable.This shows, the present invention both can make turntable possess the function that the box-hanging type counterbalanced weight is installed, and can make again turntable possess the function of tray formula counterbalanced weight, and commonality is even more ideal, so solved prior art, has the poor technical matters of commonality.
Description of drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not form improper restriction 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 the B zone 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 turntable that the counterbalanced weight connection structure that is used for turntable that the embodiment of the present invention provides is set and the extension case that is mounted with counterbalanced weight;
Fig. 8 is the structural representation of turntable shown in Figure 7;
Fig. 9 is the enlarged diagram of local structure in turntable C shown in Figure 8 zone;
Figure 10 is the schematic diagram of annexation between turntable that the counterbalanced weight connection structure that is used for turntable that the embodiment of the present invention provides is set and the pallet that is mounted with counterbalanced weight;
Figure 11 is the schematic diagram of annexation between the pallet that is mounted with counterbalanced weight shown in Figure 10 and equalizing bar, chain and arm-tie;
Figure 12 is the enlarged diagram of local structure in the D zone in Figure 11;
Figure 13 is the enlarged diagram of local structure in the E zone in Figure 11;
Figure 14 is local enlarged diagram in the F zone in Figure 11;
The schematic diagram of annexation between the assembling otic placode of the counterbalanced weight connection structure that is used 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, assembling otic placode; 14, cushion block; 2, the second attaching parts; 21, location otic placode; 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, hang case; 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 the dismounting oil cylinder.
The specific embodiment
Below can be with reference to the distinctive points between accompanying drawing Fig. 1～Figure 15 and word content understanding content of the present invention and the present invention and prior art.Hereinafter by accompanying drawing and the mode of enumerating optional embodiment more of the present invention, technical scheme of the present invention (comprising optimal technical scheme) is described in further detail.need to prove: any technical characterictic in the present embodiment, any technical scheme is all the technical characterictic of plurality of optional or one or more in optional technical scheme, can't exhaustive all alternative technical characterictics of the present invention and alternative technical scheme in order to describe succinct need in presents, the embodiment that also is not easy to every technical characterictic emphasizes that all it is one of optional numerous embodiments, so those skilled in the art should know: any technical characterictic and any technical scheme in the present embodiment all do not limit the scope of the invention, protection scope of the present invention should comprise that those skilled in the art do not pay the thinkable any alternate embodiments of creative work.
The embodiment of the present invention provides a kind of commonality more preferably to be used for the counterbalanced weight connection structure of turntable.
Below in conjunction with Fig. 8～Figure 15, technical scheme provided by the invention is carried out more detailed elaboration, arbitrary technological means provided by the invention is replaced or with provided by the invention two or more the polylith technological means make up mutually and the technical scheme that obtains all should be within protection scope of the present invention.
As Fig. 8～shown in Figure 15, the counterbalanced weight connection structure that is used 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) the 2 and the 3rd attaching parts (being preferably the plate that is provided with positioning recess 30 and connecting bore 31) 3, wherein:
The first attaching parts 1, the second attaching parts 2 all are fixedly connected with turntable 4.
The first attaching parts 1 detachably is fixedly connected with the extension case 5 of counterbalanced weight.
The 3rd attaching parts 3 is articulated on the pallet 6 of counterbalanced weight, and perhaps, the 3rd attaching parts 3 is fixedly connected with the pallet 6 of counterbalanced weight.
The second attaching parts 2 detachably is fixedly connected with the 3rd attaching parts 3.
The counterbalanced weight connection structure that is used for turntable 4 that the embodiment of the present invention provides, because the first attaching parts 1 detachably is fixedly connected with the extension case 5 of counterbalanced weight, the second attaching parts 2 detachably is fixedly connected with the 3rd attaching parts 3, install on turntable 4 when needs while hanging case 5 formula counterbalanced weight, only the extension case 5 of counterbalanced weight is connected on the first attaching parts 1, when needs during tray formula counterbalanced weight, only will be connected on the 3rd attaching parts 3 and get final product with the second attaching parts 2 that the pallet 6 of counterbalanced weight articulates mutually or is fixedly connected with on turntable 4.This shows, the present invention both can make turntable 4 possess the function of hanging case 5 formula counterbalanceds weight had been installed, and can make again turntable 4 possess the function of tray formula counterbalanced weight, and commonality is even more ideal.
As preferably a kind of or embodiment alternatively, turntable 4 comprises two cant boards 41 that position is relative, and every cant board 41 its tops all are fixedly connected with upper cover plate 42, and its bottom all is fixedly connected with lower cover 43.The first attaching parts 1 is fixedly connected on cant board 41, upper cover plate 42 and lower cover 43.The second attaching parts 2 is fixedly connected on lower cover 43.The compact conformation of this connection structure, and be convenient to make.
As preferably a kind of or embodiment alternatively, 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 cant board 41 is fixedly connected with at least two side otic placodes 11,
Be fixedly connected with on the upper cover plate 42 of cant board 41 of side otic placode 11 and also be fixedly connected with at least one top otic placode 12, and, be fixedly connected with on the upper cover plate 42 of cant board 41 of side otic placode 11 and also detachably be fixedly connected with at least one packaged otic placode 13 of joining.
Two box sides 52 that the extension case 5 of counterbalanced weight comprises box bottom 51 and is fixedly connected on box bottom 51 both sides, box side 52 comprises vertical arris 521 and horizontal arris 522, wherein:
Vertically arris 521 detachably is fixedly connected with side otic placode 11;
In two box sides 52, the horizontal arris 522 of one of them detachably is fixedly connected with top otic placode 12, in two box sides 52 wherein another horizontal arris 522 detachably be fixedly connected with assembling otic placode 13.
Said structure is convenient to the installation of counterbalanced weight extension case 5.
As preferably a kind of or embodiment alternatively, the outer wall of two cant boards 41 all is fixedly connected with side otic placode 11 separately, all detachably be fixedly connected with separately assembling otic placode 13 above all being fixedly connected with separately on the upper cover plate 42 of two cant boards 41 on the upper cover plate 42 of 12, two cant boards 41 of otic placode.
The number of the extension case 5 of counterbalanced weight is two, and the box side separately 52 of the extension case 5 of two counterbalanceds weight respectively side otic placode 11, top otic placode 12 and the assembling otic placode 13 on the cant board 41 relative with two positions detachably be fixedly connected with.
The extension case 5 of two counterbalanceds weight can carry two counterbalanceds weight, can make thus the turntable 4 that extension case 5 formula counterbalanceds weight are set stressed more balanced everywhere.
, as preferably a kind of or embodiment alternatively, detachably be fixedly connected as bearing pin and connect.The bearing pin connection has advantages of installation, convenient disassembly.Certainly, detachably be fixedly connected with and also can use bolt or screw connection to replace.
As preferably a kind of or embodiment alternatively, on the extension case 5 of same counterbalanced weight, every vertical arris 521 all is connected with a pair of side otic placode 11 bearing pins, and wherein the horizontal arris 522 of a box side 52 is connected with a pair of top otic placode 12 bearing pins, and wherein the horizontal arris 522 of another piece box side 52 is connected with a pair of assembling otic placode 13 bearing pins.
A pair of side otic placode 11, a pair of top otic placode 12 and a pair of assembling otic placode 13 can form the structure of similar mounting groove, are convenient to the installation of vertical arris 521 or horizontal arris 522, and Joint strenght is also even more ideal.
, as preferably a kind of or embodiment alternatively, also be fixedly connected with cushion block 14 between a pair of assembling otic placode 13.Cushion block 14 can have supporting role to the adapter shaft that runs through space between a pair of assembling otic placode 13.
As preferably a kind of or embodiment alternatively, 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 run through location on otic placode 21 mounting hole 210 and the connecting bore 31 on the 3rd attaching parts 3.The in-oil cylinder flexible bearing pin of bearing pin run through and extend location on otic placode 21 mounting hole 210 and an end of the connecting bore 31 on the 3rd attaching parts 3 the similar anti-falling pieces such as locking pin can also be set.
The flexible bearing pin of bearing pin oil cylinder stretch out and run through location on otic placode 21 mounting hole 210 and during the connecting bore 31 on the 3rd attaching parts 3, can realize being connected of pallet 6 of turntable 4 and counterbalanced weight.Otherwise, the pallet of counterbalanced weight 6 can be disassembled from turntable 4.
As preferably a kind of or embodiment alternatively, also be fixedly connected with alignment pin on the otic placode 21 of location, be provided with positioning recess 30 on the 3rd attaching parts 3, alignment pin is embedded in positioning recess 30.
Alignment pin matches and can fast the pallet of counterbalanced weight 6 be in place on turntable 4 with positioning recess 30.
, as preferably a kind of or embodiment alternatively, all be fixedly connected with at least two location otic placodes 21 on every lower cover 43.A plurality of location otic placode 21 can increase the Joint strenght of turntable 4 and counterweight tray 6, and, help to keep the accuracy of turntable 4 and counterweight tray 6 connection structures.
The disclosed arbitrary technical scheme of the invention described above unless otherwise stated, if it discloses number range, so disclosed number range is preferred number range, any it should be appreciated by those skilled in the art: preferred number range is only the apparent in view or representative numerical value of technique effect in many enforceable numerical value.Because numerical value is more, can't be exhaustive, so the present invention just discloses part numerical value with casehistory technical scheme of the present invention, and the above-mentioned numerical value of enumerating should not form the restriction to the invention protection domain.
If used the words such as " first ", " second " to limit parts herein, those skilled in the art should know: the use of " first ", " second " is only to go up for convenience of description parts are distinguished as not having outside Stated otherwise, and above-mentioned word does not have special implication.
Simultaneously, if the invention described above discloses or has related 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 be fixedly connected with (for example using bolt or screw to connect) with dismantling, also can be understood as: non-removable being fixedly connected with (for example rivet, weld), certainly, connection fastened to each other also can be replaced by integral type structure (for example use foundry technique is integrally formed to be created) (obviously can't adopt except integrally formed technique).
In addition, in the disclosed arbitrary technical scheme of the invention described above applied term for expression position relationship or shape unless otherwise stated its implication comprise and its approximate, similar or approaching state or shape.Arbitrary parts provided by the invention can be both to be assembled by the independent component part of polylith, the produced separate part of the technique that also can be one of the forming.
Should be noted that finally: 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, the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can modify or the part technical characterictic is equal to replacement the specific embodiment of the present invention; And not breaking away from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (10)
1. a counterbalanced weight connection structure that is used for turntable, is characterized in that, comprises the first attaching parts, the second attaching parts and the 3rd attaching parts, wherein:
Described the first attaching parts, described the second attaching parts all are fixedly connected with turntable;
Described the first attaching parts detachably is fixedly connected with the extension case of counterbalanced weight;
Described the 3rd attaching parts is articulated on the pallet of described counterbalanced weight and described the 3rd attaching parts can apply for the pallet of described counterbalanced weight vertically pulling force, and perhaps, described the 3rd attaching parts is fixedly connected with the pallet of described counterbalanced weight;
Described the second attaching parts detachably is fixedly connected with described the 3rd attaching parts.
2. the connection structure of the counterbalanced weight for turntable according to claim 1, is characterized in that, described turntable comprises two cant boards that position is relative, and every its top of described cant board all is fixedly connected with upper cover plate, and its bottom all is fixedly connected with lower cover;
Described the first attaching parts is fixedly connected on described cant board, described upper cover plate and described lower cover;
Described the second attaching parts is fixedly connected on described lower cover.
3. the connection structure of the counterbalanced weight for turntable according to claim 2, is characterized in that, described the first attaching parts comprises side otic placode, top otic placode and assembling otic placode;
The outer wall of at least one described cant board is fixedly connected with at least two described side otic placodes,
Be fixedly connected with on the described upper cover plate of described cant board of described side otic placode and also be fixedly connected with at least one described top otic placode, and, be fixedly connected with on the described upper cover plate of described cant board of described side otic placode and also detachably be fixedly connected with at least one described assembling otic placode;
Two box sides that the extension case of described counterbalanced weight comprises box bottom and is fixedly connected on described box bottom both sides, described box side comprises vertical arris and horizontal arris, wherein:
Described vertical arris detachably is fixedly connected with described side otic placode;
In two described box sides, the described horizontal arris of one of them detachably is fixedly connected with described top otic placode, in two described box sides wherein another described horizontal arris detachably be fixedly connected with described assembling otic placode.
4. the connection structure of the counterbalanced weight for turntable according to claim 3, it is characterized in that, the outer wall of two described cant boards all is fixedly connected with described side otic placode separately, all be fixedly connected with separately described top otic placode on the described upper cover plate of two described cant boards, all detachably be fixedly connected with separately described assembling otic placode on the described upper cover plate of two described cant boards;
The number of the extension case of described counterbalanced weight is two, and the described box side separately of the extension case of two described counterbalanceds weight respectively described side otic placode, described top otic placode and the described assembling otic placode on the described cant board relative with two positions detachably be fixedly connected with.
5. the connection structure of the counterbalanced weight for turntable according to claim 4, is characterized in that, the described bearing pin that detachably is fixedly connected as connects.
6. the connection structure of the counterbalanced weight for turntable according to claim 4, is characterized in that, on the extension case of same described counterbalanced weight, wherein:
Every described vertical arris all is connected with a pair of described side otic placode bearing pin, wherein the described horizontal arris of a described box side is connected with a pair of described top otic placode bearing pin, and wherein the described horizontal arris of the described box side of another piece is connected with a pair of described assembling otic placode bearing pin.
7. the connection structure of the counterbalanced weight for turntable according to claim 6, is characterized in that, also is fixedly connected with cushion block between a pair of described assembling otic placode.
8. according to claim 2-7 arbitrary described connection structures of counterbalanced weight for turntable, is characterized in that, described the second attaching parts comprises location otic placode and bearing pin oil cylinder, wherein:
Described chucking lug backboard is fixedly connected with the cylinder barrel of described bearing pin oil cylinder from the sidewall of the pallet of described counterbalanced weight;
The in-oil cylinder flexible bearing pin of described bearing pin runs through mounting hole on the otic placode of described location and the connecting bore on described the 3rd attaching parts.
9. the connection structure of the counterbalanced weight for turntable according to claim 8, is characterized in that, also is fixedly connected with alignment pin on the otic placode of described location, is provided with positioning recess on described the 3rd attaching parts, and described alignment pin is embedded in described positioning recess.
10. the connection structure of the counterbalanced weight for turntable according to claim 8, is characterized in that, all is fixedly connected with at least two described location otic placodes on every described lower cover.
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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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| 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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| CN103395707B CN103395707B (en) | 2015-05-27 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103708364A (en) * | 2013-12-31 | 2014-04-09 | 太原重工股份有限公司 | Counter weight assembly and hoisting mechanism and crane thereof |
| 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 |
| CN112960574A (en) * | 2021-04-28 | 2021-06-15 | 徐工集团工程机械股份有限公司建设机械分公司 | Crane counterweight bracket and crane |
| CN113120784A (en) * | 2021-04-19 | 2021-07-16 | 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 using method |
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| 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 | Counterweight mounting device and crane |
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| CN103708364A (en) * | 2013-12-31 | 2014-04-09 | 太原重工股份有限公司 | Counter weight assembly and hoisting mechanism and crane thereof |
| 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 |
| CN113120784A (en) * | 2021-04-19 | 2021-07-16 | 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 using method |
| 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 |
| CN112960574A (en) * | 2021-04-28 | 2021-06-15 | 徐工集团工程机械股份有限公司建设机械分公司 | Crane counterweight bracket and crane |
| 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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