CN102359277A - Arm frame device and engineering machine - Google Patents
Arm frame device and engineering machine Download PDFInfo
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- CN102359277A CN102359277A CN2011102838768A CN201110283876A CN102359277A CN 102359277 A CN102359277 A CN 102359277A CN 2011102838768 A CN2011102838768 A CN 2011102838768A CN 201110283876 A CN201110283876 A CN 201110283876A CN 102359277 A CN102359277 A CN 102359277A
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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 space is 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 device and 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, can concrete be arrived the construction work desired position along line transportation.In the course of the work, concrete mixer need through be fixed in carrier pipe on the boom device with transmission and concrete transmission to assigned address, 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 basically all uses RZ type folding mode.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the folding sketch map 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 promptly 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, in the concrete mixer of six joint arms, the 6th joint jib 6 ' and the 5th joint jib 5 ' are arranged along same horizontal direction in order in the prior art; And be folded to above the 4th joint jib 4 '; Promptly 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, and 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 through increasing the vehicle bridge number to improve the length of jib.Under identical layout height, the vehicle bridge number is big more, and the space is big more, and the length of the jib that can arrange is just long more.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 practicing thrift cost.
Additionally, the 6th joint jib 6 ' is smaller at the folding space of vertical direction in this folding mode, is not easy to be provided with 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, vertically space availability ratio is high, for the layout of more piece jib provides the space, thereby increases 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 said 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 said boom device was in folded state, the 4th joint jib was folded to the lower position of said the 3rd joint jib.
Preferably, comprise at least five joint jibs, when said boom device was in folded state, said the 3rd joint jib, said the 4th joint jib and the 5th joint jib were folded into the R type, and said the 5th joint jib is positioned at the top position of said the 3rd joint jib.
Preferably, said the 4th joint jib at least a portion is an arcuate structure.
Preferably, said the 4th joint jib integral body is arcuate structure.
Preferably, said the 4th joint jib and the hinged end of said the 5th joint jib are arcuate structure.
Preferably; Comprise at least six joint jibs; When said boom device was in folded state, said the 4th joint jib, said the 5th joint jib and the 6th joint jib were folded into the R type, and said the 6th joint jib is between said the 5th joint jib and said the 3rd joint jib.
Preferably, comprise at least six joint jibs, when said boom device was in folded state, said the 4th joint jib, said 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 said the 5th joint jib and said the 6th joint jib, launch relatively or gathering so that 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 the boom device on the said chassis; Said 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 the corresponding techniques effect.
Preferably, said engineering machinery is a concrete mixer.
Boom device provided by the present invention; Comprise at least four joint jibs, each said jib is hinged successively, and 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 said boom device was in folded state, the 4th joint jib was folded to the lower position of said the 3rd joint jib.
When boom device provided by the present invention folded, the 4th joint jib was folded to the below of the 3rd joint jib, had made full use of the space of the 3rd joint jib below; Compared with prior art, the boom device compact conformation among this paper has 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 through increasing the vehicle bridge number to improve Performance Match problem and the expensive problem that jib length causes; And when in same folding space, arranging the jib of identical joint number, respectively saving jib in this boom device can the bigger space of distribution ratio, can on jib, increase transmission or driving mechanism, helps improving the cloth flexibility of jib.
A kind of preferred scheme; Comprise at least five joint jibs; When said boom device is in folded state; Said the 3rd joint jib, said the 4th joint jib and the 5th joint jib are folded into the R type, and said the 5th joint jib is positioned at the top position of said the 3rd joint jib, and said the 4th joint jib at least a portion is an arcuate structure.Through saving jib at least a portion with the 4th is arcuate structure; Making full use of on spatial placement the 4th joint jib basis of the 3rd joint below the jib; Realized the compact Layout of the 5th joint jib above the 3rd joint jib, thereby be that more the layout of more piece jib provides the space.
A kind of preferred scheme; Comprise at least six joint jibs; When said boom device was in folded state, said the 4th joint jib, said the 5th joint jib and the 6th jib were folded into the R type, and said the 6th joint jib is between said the 5th joint jib and said the 3rd joint jib; Or said the 4th joint jib, said 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, can the 6th joint arm be folded into row separately, has not only increased the total jib length of boom device; Reduce the long ratio of bridge; And have enough spatial placement to drive the mechanism of 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 sketch map 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:
The specific embodiment
The object of the invention purport is for providing a kind of boom device, and this boom device is intended to this boom device compact conformation, vertically space availability ratio is high.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 done further detailed description below in conjunction with the accompanying drawing and the specific embodiment.
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 said 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, and the other end of telescopic oil cylinder can be hinged with back one joint jib through 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, the 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 said boom device is in folded state, the 4th joint jib 4 be folded to the said the 3rd save jib 3 under the position.
When boom device provided by the present invention folded, the 4th joint jib 4 was folded to the below of the 3rd joint jib 3, had made full use of the space of the 3rd joint jib 3 belows; Compared with prior art; Boom device structure among this paper is compact, has 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 through 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 on the arm joint, increase transmission or driving mechanism, the flexibility that helps improving the jib cloth.
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 the 3, the 4th saves jib 4 and the 5th joint jib 5 is folded into the R type, and the 5th joint jib 5 is positioned at the top position of said 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 help boom device compact more in the vertical direction structure; Can make full use of the gap between the said 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 help on the 5th joint jib 5, continuing to increase new jib raising boom device total length, reduce the long ratio of bridge.
Realization for the ease of the jib folding mode; 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 help increasing the length of total jib, and the size and the position of radian of the arcuate structure through 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 joint jib 5 hinged ends can be arcuate structure.This structure can realize the compact Layout of the 5th joint jib 5 above the 3rd joint jib 3 making full use of on spatial placement the 4th joint jib 4 bases of the 3rd joint below the jib 3, thereby the space is provided 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 promptly folding placement of levels two row provides two kinds of concrete folding modes of boom device below.
In first kind of concrete embodiment, when said boom device was in folded state, the 4th joint jib the 4, the 5th saves jib 5 and the 6th jib is folded into the R type, and said the 6th joint jib 6 is between the 5th joint jib 5 and said 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 the 2, the 3rd save jib 3, the 4th joint jib the 4, the 5th saves jib 5 and the 6th joint jib 6 expansion directions can be identical, all along V1 expansion counterclockwise.
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, has not only increased the total jib length of boom device; Reduced the long ratio of bridge; And have enough spatial placement to drive the mechanism of 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 help the compactness of structure in the boom device, increase vertical direction space capable of using, 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 because of the folded state of first three joint jib is identical with prior art, only provides the folded state sketch map 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 the 4, the 5th saves jib 5 and the 6th joint jib 6 is folded into the Z type; When Z type jib unit was in rounding state, each jib all was positioned at the upside or the downside of last joint jib, can effectively reduce the gap between the adjacent jib, and can in small space, smoothly boom device be launched.
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 through 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 so that 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 through 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, described in this paper in the boom device quantity of jib not only be confined to six joint jibs, 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, and 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, and seven joint jibs have than higher operation flexibility.
Need to prove; Clockwise direction described in this paper, counter clockwise direction are reference with each arm support position among Fig. 3, Fig. 8 just; 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 the boom device on the said chassis, and said 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 the corresponding techniques 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 repeat no more at this referring to prior art.
More than a kind of boom device provided by the present invention and engineering machinery have been carried out detailed introduction.The above only is the description of the preferred implementation of invention; Should be pointed out that finiteness, and objectively have unlimited concrete structure owing to literal expression; For those skilled in the art; Under the prerequisite that does not break away from the principle of the invention, can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (10)
1. boom device; Comprise at least four joint jibs, each said jib is hinged successively, and 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 said boom device was in folded state, the 4th joint jib (4) was folded to the lower position of said the 3rd joint jib (3).
2. boom device according to claim 1; It is characterized in that; Comprise at least five joint jibs; When said boom device was in folded state, said the 3rd joint jib (3), said the 4th joint jib (4) and the 5th joint jib (5) were folded into the R type, and said the 5th joint jib (5) is positioned at the top position of said the 3rd joint jib (3).
3. boom device according to claim 2 is characterized in that, said the 4th joint jib (4) at least a portion is an arcuate structure.
4. boom device according to claim 3 is characterized in that, said the 4th joint jib (4) integral body is arcuate structure.
5. boom device according to claim 3 is characterized in that, said the 4th joint jib (4) is an arcuate structure with the hinged end of said the 5th joint jib (5).
6. according to each described boom device of claim 2-5; It is characterized in that; Comprise at least six joint jibs; When said boom device was in folded state, said the 4th joint jib (4), said the 5th joint jib (5) and the 6th joint jib (6) were folded into the R type, and said the 6th joint jib (6) is positioned between said the 5th joint jib (5) and said the 3rd joint jib (3).
7. according to each described boom device of claim 2-5, it is characterized in that, comprise at least six joint jibs, when said boom device was in folded state, said the 4th joint jib (4), said the 5th joint jib (5) and the 6th joint jib (6) were folded into the Z type.
8. boom device according to claim 7 is characterized in that, is provided with telescopic oil cylinder and linkage between said the 5th joint jib (5) and said the 6th joint jib (6), launches relatively or gathering so that drive two jibs.
9. an engineering machinery comprises the chassis and is arranged at the boom device on the said chassis, it is characterized in that, said boom device is each described boom device of claim 1 to 8.
10. engineering machinery according to claim 9 is characterized in that said engineering machinery is specially concrete mixer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110283876 CN102359277B (en) | 2011-09-22 | 2011-09-22 | Arm frame device and engineering machine |
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| CN 201110283876 CN102359277B (en) | 2011-09-22 | 2011-09-22 | Arm frame device and engineering machine |
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| CN102359277B CN102359277B (en) | 2013-09-25 |
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| CN102561704A (en) * | 2012-02-29 | 2012-07-11 | 三一重工股份有限公司 | Engineering machinery and telescopic distributing arm support thereof |
| CN102561703A (en) * | 2012-02-24 | 2012-07-11 | 三一重工股份有限公司 | Boom device and concrete pump truck |
| CN102587670A (en) * | 2012-03-26 | 2012-07-18 | 三一重工股份有限公司 | Arm support device and concrete pump truck |
| WO2013045568A1 (en) * | 2011-09-28 | 2013-04-04 | Zoomlion Heavy Industry Science And Technology Co., Ltd. | Boom of concrete pump truck 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 |
| CN104695710A (en) * | 2013-12-09 | 2015-06-10 | 北汽福田汽车股份有限公司 | Boom device and engineering machine |
| CN107553690A (en) * | 2017-10-25 | 2018-01-09 | 马义军 | 3D printer is built under a kind of mobile hip |
| 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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| 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 |
| CN107553690A (en) * | 2017-10-25 | 2018-01-09 | 马义军 | 3D printer is built under a kind of mobile hip |
| CN107553690B (en) * | 2017-10-25 | 2023-11-10 | 马义军 | Remove building 3D printer under crotch |
| 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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| CN102359277B (en) | 2013-09-25 |
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