CN102359277B - Arm frame device and engineering machine - Google Patents
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Abstract
The invention provides an arm frame device which comprises at least four joints of arm frames, wherein all the arm frames are sequentially articulated, the first three joints of the arm frames are folded into the shape of R, the third joint of the arm frame (3) is a bending arm frame, when the arm frame device is in a folded state, the fourth joint of the arm frame (4) is folded below the third joint of the arm frame (3). The arm frame device according to the invention is compact in structure, the utilization rate of the space in the vertical direction of the arm frames is improved, the spaceis provided for arranging the multiple joints of the arm frames, and more joints of the arm frames can be folded in the same folding space, thereby increasing the total length of the arm frame deviceand improving the flexibility in material distribution of the arm frames. In addition, the invention further discloses an engineering machine with the arm frame device.
Description
Technical field
The present invention relates to technical field of engineering machinery, relate in particular to a kind of boom device.The invention still further relates to a kind of engineering machinery with above-mentioned boom device.
Background technology
Concrete mixer is a kind of typical engineering machinery, concrete can be transported to the construction work desired position along pipeline.In the course of the work, concrete mixer need be delivered to assigned address with concrete by the carrier pipe that is fixed on the boom device, and along with the variation of transfer position, boom device need drive carrier pipe and realize actions such as expansion, gathering and rotation.The boom device of concrete mixer generally comprises the more piece jib, and each saves between the jib and can fold.
The employed folding mode of jib of concrete mixer mainly contains foldable integral modes such as R type, Z type and RZ type at present, and wherein the boom device for the above jib of five joints substantially all uses RZ type folding mode.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the folding schematic diagram of a kind of typical boom device in the prior art; Fig. 2 is the vertical view of boom device shown in Figure 1.
The first segment jib 1 ' of boom device is hinged with turntable, first segment jib 1 ', the second joint jib 2 ' and the 3rd joint jib 3 ' folding back form R type jib, the 3rd joint jib 3 ' is the jib that turns round, the 3rd joint jib 3 ', the 4th joint jib 4 ' and the 5th joint jib 5 ' folding back form Z type jib, and namely the 5th joint jib 5 ' is folded to the top of the 4th joint jib 4 '.
Yet, the space of the 4th joint jib 4 ' top is limited, for preventing that jib from folding superelevation, six save in the concrete mixer of arms in the prior art, the 6th joint jib 6 ' and the 5th joint jib 5 ' are arranged in turn along same horizontal direction, and be folded to above the 4th joint jib 4 ', namely the 5th joint jib 5 ' and the 6th joint jib 6 ' are equivalent to the 5th joint jib of five joint arm pump trucks in the prior art, compare with the boom device of five joint arm pump trucks in the prior art, the total length of the boom device of above-mentioned six joint arm pump trucks does not change in fact.
In the jib of above-mentioned six joint arm pump trucks is arranged, because the constraint that jib is arranged height on the vertical direction, can also be by increasing the vehicle bridge number to improve the length of jib.Under identical layout height, the vehicle bridge number is more big, and the space is more big, and the length of the jib that can arrange is just more long.But the vehicle bridge number that increases concrete mixer will influence the Performance Match of car load, and will cause the cost of car load sharply to increase, and be unfavorable for saving cost.
Additionally, the 6th joint jib 6 ' is smaller at the folding space of vertical direction in this folding mode, is not easy to arrange slew gear, thereby the angle of revolution of the 6th joint jib 6 ' is smaller, and general angle of revolution causes the cloth very flexible less than 110 degree.
Therefore, how to improve the folding mode of boom device, make its compact conformation, vertical space availability ratio height, for the layout of more piece jib provides the space, thereby increase the total length of boom device, and improve the cloth flexibility of jib, become the technical barrier that those skilled in the art need to be resolved hurrily.
Summary of the invention
First purpose of the present invention aims to provide a kind of boom device, and this boom device compact conformation, vertical space availability ratio height for the layout of more piece jib provides the space, thereby increase the total length of boom device, and the cloth flexibility that improves jib.Second purpose of the present invention aims to provide a kind of engineering machinery with above-mentioned boom device.
In order to realize above-mentioned first purpose, the invention provides a kind of boom device, comprise at least four joint jibs, each described jib is hinged successively, first three joint jib is folded into the R type, and the 3rd joint jib is the jib that turns round, and it is characterized in that, when described boom device was in folded state, the 4th joint jib was folded to the lower position of described the 3rd joint jib.
Preferably, comprise at least five joint jibs, when described boom device was in folded state, described the 3rd joint jib, described the 4th joint jib and the 5th joint jib were folded into the R type, and described the 5th joint jib is positioned at the top position of described the 3rd joint jib.
Preferably, described the 4th joint jib at least a portion is arcuate structure.
Preferably, described the 4th joint jib integral body is arcuate structure.
Preferably, the hinged end of described the 4th joint jib and described the 5th joint jib is arcuate structure.
Preferably, comprise at least six joint jibs, when described boom device was in folded state, described the 4th joint jib, described the 5th joint jib and the 6th joint jib were folded into the R type, and described the 6th joint jib is between described the 5th joint jib and described the 3rd joint jib.
Preferably, comprise at least six joint jibs, when described boom device was in folded state, described the 4th joint jib, described the 5th joint jib and the 6th joint jib were folded into the Z type.
Preferably, be provided with telescopic oil cylinder and linkage between described the 5th joint jib and described the 6th joint jib, launch relatively or gathering in order to drive two jibs.
In order to realize above-mentioned second purpose, the present invention also provides a kind of engineering machinery, comprise the chassis and be arranged at boom device on the described chassis, described boom device is above-mentioned each described boom device, because above-mentioned boom device has above-mentioned technique effect, the engineering machinery with this boom device also should have corresponding technique effect.
Preferably, described engineering machinery is concrete mixer.
Boom device provided by the present invention, comprise at least four joint jibs, each described jib is hinged successively, first three joint jib is folded into the R type, the 3rd joint jib is the jib that turns round, it is characterized in that when described boom device was in folded state, the 4th joint jib was folded to the lower position of described the 3rd joint jib.
When boom device provided by the present invention folds, the 4th joint jib is folded to the below of the 3rd joint jib, taken full advantage of the space of the 3rd joint jib below, compared with prior art, boom device compact conformation has herein improved jib vertical direction utilization of space, in identical folding space, the number that can fold the arm joint is more, has increased the total length of boom device, and has avoided by increasing the vehicle bridge number to improve Performance Match problem and the expensive problem that jib length causes; And when arranging the jib of identical joint number in same folding space, respectively saving jib in this boom device can the bigger space of distribution ratio, can increase transmission or driving mechanism, the cloth flexibility that is conducive to improve jib at jib.
A kind of preferred scheme, comprise at least five joint jibs, when described boom device is in folded state, described the 3rd joint jib, described the 4th joint jib and the 5th joint jib are folded into the R type, and described the 5th joint jib is positioned at the top position of described the 3rd joint jib, and described the 4th joint jib at least a portion is arcuate structure.By being arcuate structure with the 4th joint jib at least a portion, arrange on the 4th joint jib basis taking full advantage of the 3rd space of joint below the jib, realize the compact Layout of the 5th joint jib above the 3rd joint jib, thereby provide the space for the layout of more piece jib more.
A kind of preferred scheme, comprise at least six joint jibs, when described boom device was in folded state, described the 4th joint jib, described the 5th joint jib and the 6th jib were folded into the R type, and described the 6th joint jib is between described the 5th joint jib and described the 3rd joint jib; Or described the 4th joint jib, described the 5th joint jib and the 6th joint jib are folded into the Z type.
With prior art the 4th joint jib, the 5th joint jib and the 6th joint jib directly being arranged in the 3rd joint compares on the jib, in the above-mentioned boom device only the 5th the joint jib and the 6th the joint jib be arranged in the 3rd the joint jib the top, the available space of two jib in the vertical directions is bigger, the 6th joint arm can be folded into row separately, not only increased the total jib length of boom device, reduce the long ratio of bridge, and there are enough spaces to arrange the mechanism of driving the 6th joint jib work, can increase the angle of revolution of the 6th joint jib, the cloth flexibility that improves jib.
Description of drawings
Fig. 1 is the folding schematic diagram of a kind of typical boom device in the prior art;
Fig. 2 is the vertical view of boom device shown in Figure 1;
Fig. 3 is the structural representation of a kind of specific embodiment of boom device provided by the present invention;
Fig. 4 is in the structural representation of folded state for first three joint jib of boom device shown in Figure 3;
Fig. 5 is the vertical view of first three joint jib shown in Figure 4;
Fig. 6 is in the structural representation of folded state for the 3rd joint jib, the 4th joint jib, the 5th joint jib and the 6th joint jib of boom device shown in Figure 3;
Fig. 7 is in the vertical view of folded state for the 3rd joint jib shown in Figure 6, the 4th joint jib, the 5th joint jib and the 6th joint jib;
The structural representation of the another kind of specific embodiment of Fig. 8 boom device provided by the present invention;
Fig. 9 is the vertical view of boom device shown in Figure 8.
Wherein, the corresponding relation between Reference numeral and the component names is among Fig. 1 and Fig. 2:
First segment jib 1 '; The second joint jib 2 '; The 3rd joint jib 3 '; The 4th joint jib 4 '; The 5th joint jib 5 '; The 6th joint jib 6 '.
Wherein, the corresponding relation between Reference numeral and the component names is among Fig. 3 to Fig. 9:
First segment jib 1; The second joint jib 2; The 3rd joint jib 3; The 4th joint jib 4; The 5th joint jib 5; The 6th joint jib 6; Counter clockwise direction V1; Clockwise direction V2.
The specific embodiment
Purpose purport of the present invention is for providing a kind of boom device, and this boom device is intended to this boom device compact conformation, vertical space availability ratio height.In addition, another object of the present invention aims to provide a kind of engineering machinery that comprises boom device.
Be without loss of generality, this paper is applied as example with boom device on concrete mixer, introduce technical scheme of the present invention, it will be understood by those skilled in the art that and does not also get rid of the present invention in Other Engineering application mechanically.
In order to make those skilled in the art better understand technical scheme of the present invention, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please referring to Fig. 3 to Fig. 5, Fig. 3 is the structural representation of a kind of specific embodiment of boom device provided by the present invention; Fig. 4 is in the structural representation of folded state for first three joint jib of boom device shown in Figure 3; Fig. 5 is the vertical view of first three joint jib shown in Figure 4.
Boom device provided by the present invention comprises the jib that is no less than four joints, each described jib is hinged successively, generally can be provided with telescopic oil cylinder between the adjacent jib of boom device, one end of telescopic oil cylinder and last joint jib are hinged, the other end of telescopic oil cylinder can be hinged with back one joint jib by linkage, and telescopic oil cylinder is used for driving back one joint jib and launches or draw in action.
Need to prove that in this application, end and the turntable of first segment jib 1 are hinged, in the two adjacent joint jibs, will be defined as last joint jib near the jib of turntable, another joint jib is defined as back one joint jib.
First three joint jib is folded into the R type in the boom device, and the 3rd joint jib 3 be the jib that turns round, it is characterized in that, when described boom device is in folded state, the 4th joint jib 4 be folded to the described the 3rd save jib 3 under the position.
When boom device provided by the present invention folds, the 4th joint jib 4 is folded to the below of the 3rd joint jib 3, taken full advantage of the space of the 3rd joint jib 3 belows, compared with prior art, boom device structure herein is compact, improved jib vertical direction utilization of space, in identical folding space, the number that can fold the arm joint is more, for the layout of more piece jib provides the space, thereby increased the total length of boom device, and avoided by increasing the vehicle bridge number to improve Performance Match problem and the expensive problem that jib length causes; Or when the arm joint at the folding similar number of sustained height, each arm joint can the bigger space of distribution ratio in this boom device, can increase transmission or driving mechanism, the flexibility that is conducive to improve the jib cloth at the arm joint.
Please refer to Fig. 6 and Fig. 7, Fig. 6 is in the structural representation of folded state for the 3rd joint jib, the 4th joint jib, the 5th joint jib and the 6th joint jib of boom device shown in Figure 3; Fig. 7 is in the vertical view of folded state for the 3rd joint jib shown in Figure 6, the 4th joint jib, the 5th joint jib and the 6th joint jib.
In a kind of specific embodiment, boom device can comprise at least five joint jibs, when boom device was in folded state, the 3rd joint jib 3, the 4th joint jib 4 and the 5th joint jib 5 were folded into the R type, and the 5th joint jib 5 is positioned at the top position of described the 3rd joint jib 3.
The 3rd joint jib 3, the 4th joint jib 4 and the 5th joint jib 5 are folded into the R type, and to be conducive to boom device compacter in the vertical direction structure, can take full advantage of the gap between the described first-half jib, can be under the constant situation of whole boom device length overall, in limited vertical space, increase the joint number of jib, and then shorten the length of single jib, the flexibility when improving jib work; And be conducive to continue to increase new jib raising boom device total length at the 5th joint jib 5, reduce the long ratio of bridge.
Realization for the ease of the jib folding mode, can can be arcuate structure for having at least a portion with the structure of the 4th joint jib 4, the 4th joint jib 4 is designed to the brachium that arcuate structure not only can suitably increase by the 4th joint jib, thereby be conducive to increase the length of total jib, and size and the position of radian of the arcuate structure by the 4th joint jib 4 rationally is set, can make things convenient for it to save being connected of jib 5 with the 5th.
A kind of preferred embodiment in, the 4th the joint jib 4 can integral body be arcuate structure, can make things convenient for the processing of jib to a certain extent.
In a kind of specific embodiment, above-mentioned the 4th joint jib 4 and the 5th saves jib 5 hinged ends can be arcuate structure.This structure can be arranged on the 4th joint jib 4 bases taking full advantage of the 3rd space of joint below the jib 3, has realized the compact Layout of the 5th joint jib 5 above the 3rd joint jib 3, thereby provides the space for the layout of more piece jib more.
Further, can also the 5th the joint jib the basis on hinged the 6th the joint jib.For the boom device that has six joint jibs at least, when boom device was in folded state, the 5th joint jib and the 6th joint jib can be in stacked, and namely folding placement of levels two row provides two kinds of concrete folding modes of boom device below.
In first kind of concrete embodiment, when described boom device was in folded state, the 4th joint jib 4, the 5th joint jib 5 and the 6th jib were folded into the R type, and described the 6th joint jib 6 is between the 5th joint jib 5 and described the 3rd joint jib 3.
Before the boom device work, each expansion direction that saves jib please refer to Fig. 3, first segment jib 1, the second joint jib 2, the 3rd joint jib 3, the 4th joint jib 4, the 5th joint jib 5 and the 6th joint jib 6 expansion directions can be identical, and all V1 launches in the counterclockwise direction.
Compare with prior art six joint jibs, the available space of the 6th joint jib vertical direction is bigger in this boom device, can be folded into row separately, not only increased the total jib length of boom device, reduced the long ratio of bridge, and have enough spaces to arrange the mechanism of driving the 6th joint jib work, and can increase the angle of revolution of the 6th joint jib, improve the cloth flexibility.
And a plurality of R type structures are conducive to the compactness of structure in the boom device, increase vertical direction and can utilize the space, are convenient to arrange the more piece jib.
Please refer to Fig. 8 and Fig. 9, the structural representation of the another kind of specific embodiment of Fig. 8 boom device provided by the present invention, the folded state that saves jib because of first three is same as the prior art, only provides the folded state schematic diagram of a few joint jibs in back among this figure; Fig. 9 is the vertical view of boom device shown in Figure 8.
In another preferred embodiment, boom device can comprise at least six joint jibs, and when boom device was in folded state, the 4th joint jib 4, the 5th joint jib 5 and the 6th joint jib 6 were folded into the Z type; When Z type jib unit was in rounding state, each jib all was positioned at upside or the downside of last joint jib, can effectively reduce the gap between the adjacent jib, and can smoothly boom device be launched in small space.
As shown in Figure 8, the expansion direction in the present embodiment between the 3rd joint jib 3 and the 4th joint jib 4 is counter clockwise direction V1, and the expansion direction between the 6th joint jib 6 and the 5th joint jib 5 is clockwise direction V2.
Usually, the expansion of adjacent two jibs or gathering are to realize by the telescopic oil cylinder that is arranged between the two.
Further, more than among each embodiment the 5th joint jib 5 and the 6th 6 of jibs of joint can be provided with telescopic oil cylinder and linkage, launch relatively or draw in order to drive two jibs; Being provided with telescopic oil cylinder with the 5th joint jib 5 in the prior art with the 6th 6 of jibs of joint compares, linkage can be realized bigger luffing motion, the 5th joint jib 5 and the 6th joint jib 6 are realized mutual motion by telescopic oil cylinder and the linkage mode of matching, can increase the angle of revolution of the 6th joint jib 6, increase the cloth flexibility.
Certainly, the quantity of jib not only is confined to six joint jibs in the described boom device herein, can also be more piece jib more, for example seven save jibs, in the boom device of seven joint jibs, the folding mode of the first six joint jib can be the folding mode of describing among above-mentioned arbitrary embodiment, the arrangement of the 6th joint jib 6 and the 7th joint jib can be arranged according to the use needs of concrete mixer, for example when jib is in folded state, the 6th joint jib 6 and the 7th joint jib are folded on the same horizontal plane, compare with the concrete mixer of six joint boom devices, seven joint jibs have than higher operation flexibility.
Need to prove, described clockwise direction, counter clockwise direction are reference with each arm support position among Fig. 3, Fig. 8 just herein, in order to explain the succinct convenience of technical scheme, it will be understood by those skilled in the art that the noun of locality used herein should not limit application range of the present invention.
The present invention also provides a kind of engineering machinery, comprises the chassis and is arranged at boom device on the described chassis, and described boom device is the boom device described in above-mentioned arbitrary embodiment.Because above-mentioned boom device has above-mentioned technique effect, the engineering machinery with this boom device also should have corresponding technique effect.
A kind of preferred embodiment in, above-mentioned engineering machinery can be concrete mixer.
In addition, the technical characterictic of other parts of this concrete mixer can not repeat them here referring to prior art.
More than a kind of boom device provided by the present invention and engineering machinery are described in detail.The above only is the description of the preferred embodiment of invention; should be understood that; because the finiteness of literal expression; and objectively have unlimited concrete structure; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. boom device, comprise at least five joint jibs, each described jib is hinged successively, first three joint jib is folded into the R type, the 3rd joint jib (3) is the jib that turns round, it is characterized in that, when described boom device is in folded state, the 4th joint jib (4) is folded to the lower position of described the 3rd joint jib (3), described the 3rd joint jib (3), described the 4th joint jib (4) and the 5th joint jib (5) are folded into the R type, and described the 5th joint jib (5) is positioned at the top position of described the 3rd joint jib (3).
2. boom device according to claim 1 is characterized in that, described the 4th joint jib (4) at least a portion is arcuate structure.
3. boom device according to claim 2 is characterized in that, described the 4th joint jib (4) integral body is arcuate structure.
4. boom device according to claim 2 is characterized in that, it is arcuate structure that described the 4th joint jib (4) and the described the 5th saves the hinged end of jib (5).
5. according to each described boom device of claim 1-4, it is characterized in that, comprise at least six joint jibs, when described boom device is in folded state, described the 4th joint jib (4), described the 5th joint jib (5) and the 6th joint jib (6) are folded into the R type, and described the 6th joint jib (6) is positioned between described the 5th joint jib (5) and described the 3rd joint jib (3).
6. according to each described boom device of claim 1-4, it is characterized in that, comprise at least six joint jibs, when described boom device was in folded state, described the 4th joint jib (4), described the 5th joint jib (5) and the 6th joint jib (6) were folded into the Z type.
7. boom device according to claim 6 is characterized in that, is provided with telescopic oil cylinder and linkage between described the 5th joint jib (5) and described the 6th joint jib (6), launches relatively or gathering in order to drive two jibs.
8. engineering machinery comprises the chassis and is arranged at boom device on the described chassis, it is characterized in that described boom device is each described boom device of claim 1 to 7.
9. engineering machinery according to claim 8 is characterized in that, described engineering machinery is specially concrete mixer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110283876 CN102359277B (en) | 2011-09-22 | 2011-09-22 | Arm frame device and engineering machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110283876 CN102359277B (en) | 2011-09-22 | 2011-09-22 | Arm frame device and engineering machine |
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| CN102359277A CN102359277A (en) | 2012-02-22 |
| CN102359277B true CN102359277B (en) | 2013-09-25 |
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| CN 201110283876 Active CN102359277B (en) | 2011-09-22 | 2011-09-22 | Arm frame device and engineering machine |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359278B (en) * | 2011-09-28 | 2013-08-21 | 中联重科股份有限公司 | Arm support of concrete pump truck and concrete pump truck |
| CN102561703B (en) * | 2012-02-24 | 2015-05-27 | 三一重工股份有限公司 | Boom device and concrete pump truck |
| CN102561704B (en) * | 2012-02-29 | 2015-02-18 | 三一汽车制造有限公司 | Engineering machinery and telescopic distributing arm support thereof |
| CN102587670B (en) * | 2012-03-26 | 2015-07-01 | 三一重工股份有限公司 | Arm support device and concrete pump truck |
| CN103243918A (en) * | 2013-04-26 | 2013-08-14 | 三一汽车制造有限公司 | Arm support system and working equipment with same |
| CN104695710B (en) * | 2013-12-09 | 2017-04-05 | 北汽福田汽车股份有限公司 | A kind of boom device and engineering machinery |
| CN107553690B (en) * | 2017-10-25 | 2023-11-10 | 马义军 | A mobile crotch construction 3D printer |
| CN109931078A (en) * | 2019-04-22 | 2019-06-25 | 中国铁建重工集团有限公司 | Filling concrete vehicle and its folding arm |
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| US3825137A (en) * | 1971-12-08 | 1974-07-23 | Sheppard Equipment Ltd | Vehicle for transporting a container |
| CN2703896Y (en) * | 2004-06-29 | 2005-06-08 | 上海鸿得利机械制造有限公司 | Cantilever-crane type concrete transfer pump |
| CN101793092A (en) * | 2010-02-05 | 2010-08-04 | 三一重工股份有限公司 | Concrete pump truck and boom device thereof |
| CN201857760U (en) * | 2010-10-25 | 2011-06-08 | 山推楚天工程机械有限公司 | Sixth-section arm foldable for 180 degrees of concrete pump truck |
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2011
- 2011-09-22 CN CN 201110283876 patent/CN102359277B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3825137A (en) * | 1971-12-08 | 1974-07-23 | Sheppard Equipment Ltd | Vehicle for transporting a container |
| CN2703896Y (en) * | 2004-06-29 | 2005-06-08 | 上海鸿得利机械制造有限公司 | Cantilever-crane type concrete transfer pump |
| CN101793092A (en) * | 2010-02-05 | 2010-08-04 | 三一重工股份有限公司 | Concrete pump truck and boom device thereof |
| CN201857760U (en) * | 2010-10-25 | 2011-06-08 | 山推楚天工程机械有限公司 | Sixth-section arm foldable for 180 degrees of concrete pump truck |
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| CN102359277A (en) | 2012-02-22 |
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