CN204001764U - Boom system and concrete mixer - Google Patents
Boom system and concrete mixer Download PDFInfo
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- CN204001764U CN204001764U CN201420358115.3U CN201420358115U CN204001764U CN 204001764 U CN204001764 U CN 204001764U CN 201420358115 U CN201420358115 U CN 201420358115U CN 204001764 U CN204001764 U CN 204001764U
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- 238000005452 bending Methods 0.000 claims abstract description 25
- 239000004744 fabric Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model proposes a kind of boom system, comprise successively hinged first segment jib, second section jib, the 3rd joint jib, the 4th joint jib and the 5th joint jib, the bottom-hinged of first segment jib and turntable, at folded state, the 3rd joint jib and second section jib are positioned at first segment jib top successively, the 3rd joint jib is articulated with a side of second section jib by lateral bending structure by the 4th joint jib, and in described boom system, at least final section jib is positioned at the below of the 3rd joint jib.This kind of boom system, has rationally utilized the space of first segment jib and turntable top and the space of the 3rd joint jib below, impels jib overall length longer, and cloth is wider.Meanwhile, the utility model also provides a kind of concrete mixer.
Description
Technical field
The utility model relates to concrete mixer field, particularly a kind of boom system.In addition, the utility model also relates to a kind of concrete mixer that comprises above-mentioned boom system.
Background technology
The jib of concrete mixer is generally more piece, and respectively saves between jib and can fold by bearing pin is hinged.Concrete mixer, when work, arrives concrete conveyance the position of appointment by the carrier pipe being fixed on jib, and by the demand that turntable rotates and jib launches, gathering meets transfer position variation.At present, the jib of concrete mixer adopts the foldable integral modes such as Z-type (or M type), R type, RZ type more.
Fig. 1 is the structural representation of a kind of typical concrete mixer in prior art.As shown in Figure 1, concrete mixer comprises boom system, turntable 7, chassis and pumping system, this boom system comprises successively hinged first segment jib 1, second section jib 2, the 3rd joint jib 3, the 4th joint jib 4, the 5th joint jib 5 and the 6th joint jib 6, during a whole set of arm support folding, first segment jib 1 is in the top, second section jib 2, the 3rd joint jib 3 be the below in first segment jib 1 all, is subject to spatial limitation second section jib the 2, the 3rd to save jib 3 all short than first segment jib 1.In this case, the length that increase jib just need to increase the joint number of jib, but is subject to the restriction of traffic rules, increases joint number and is easy to make car load superelevation.The 3rd of this foldable arm rack the joint jib 3 is arranged in the middle of first segment jib 1 and second section jib 2 simultaneously, the 4th joint jib 4, the 5th joint jib 5 and the 6th joint jib 6 are all arranged in the top of the 3rd joint jib 3, on the space of the 3rd joint jib 3 belows does not utilize.
In sum, how to change existing arm support folding mode, second and third joint jib is arranged in the space that makes full use of first segment jib 1 and turntable 7 tops, guarantee that second section jib 2, the 3rd joint jib 3 can design longer in, make the space of the 3rd joint jib 3 belows also can be used for arranging jib, realize jib overall length longer, cloth is wider, is those skilled in the art's problem demanding prompt solutions.
Utility model content
In view of this, the utility model proposes a kind of boom system, rationally utilized the space of first segment jib and turntable top and the space of the 3rd joint jib below, impel jib overall length longer, cloth is wider.
On the one hand, the utility model proposes a kind of boom system, comprise successively hinged first segment jib, second section jib, the 3rd joint jib, the 4th joint jib and the 5th joint jib, the bottom-hinged of first segment jib and turntable, at folded state, the 3rd joint jib and second section jib are positioned at first segment jib top successively, the 3rd joint jib is articulated with a side of second section jib by lateral bending structure by the 4th joint jib, and in described boom system, at least final section jib is positioned at the below of the 3rd joint jib.
Further, the 4th joint jib is bending jib, at folded state, the pin joint of the 4th joint jib and the 5th joint jib is positioned at the below of the 3rd joint jib, or the 5th joint jib be bending jib, the pin joint of the 5th joint jib and the 4th joint jib is positioned at the top of the 3rd joint jib, and the end of the 5th joint jib extends to the below of the 3rd joint jib.
Further, described boom system also comprises the six joint jib hinged with the 5th joint jib, and at folded state, the 6th joint jib is placed in the below of the 3rd joint jib, or the end of the 6th joint jib extends to the below of the 3rd joint jib.
Further, at folded state, the 5th joint jib and the 6th joint jib are placed on straight line, or the 4th joint jib, the 5th joint jib are from top to bottom instead " Z " type with the 6th joint jib and fold, or the 5th joint jib be arranged in obtuse angle with the 6th joint jib, or the 6th joint jib is placed in the 3rd joint jib and the 5th and saves between jib.
Further, at folded state, the 5th joint jib and the pin joint of the 4th joint jib are placed in the top of the 3rd joint jib, and the 5th joint jib and the 4th saves jib and is placed on straight line.
Further, described boom system also comprises the seven joint jib hinged with the 6th joint jib, and at folded state, the pin joint of the 7th joint jib and the 6th joint jib is positioned at the below of the 3rd joint jib.
Further, the 4th joint jib is bending jib, and at folded state, the 5th joint jib and the pin joint of the 6th joint jib are placed in the below of the 3rd joint jib, and the 5th joint jib and the 6th saves jib and is placed on straight line; The 7th joint jib is placed in the below of the 6th joint jib or is placed in the 3rd joint jib and the 6th and saves between jib.
Further, the 6th joint jib is arranged in obtuse angle with the 7th joint jib, or the 7th joint jib is placed between the 3rd joint jib and the 6th joint jib, or the 7th joint jib is placed in the 6th joint jib below, or the 7th joint jib and the 6th saves jib and is placed on same straight line.
Further, the 4th joint jib or the 5th joint jib or the 6th joint jib are bending jib.
Further, described boom system also comprises the eight joint jib hinged with the 7th joint jib, and at folded state, the 8th joint jib is placed in the below of the 3rd joint jib, the top of the 7th joint jib.
Further, the folding direction of described second section jib, the 3rd joint jib, the 4th joint jib and the 5th joint jib is identical.
Compare prior art, boom system in the utility model, when folded state, first segment jib is arranged in the below of second and third joint jib, and then the space that makes full use of first segment jib and turntable top arranges second and third joint jib, and what make that second and third joint jib can design is longer, the space of the 3rd joint jib below is also utilized simultaneously, can arrange more jib, make jib overall length longer, cloth is wider.
On the other hand, the utility model also provides a kind of concrete mixer, comprises the boom system described in turntable and above-mentioned any one, and described first segment jib is articulated with the bottom of turntable.
Further, described second section jib and the 3rd joint jib partly extend to the top of the driver's cabin of described concrete mixer.
The concrete mixer that comprises above-mentioned boom system that the utility model provides, its technique effect is identical with the technique effect of above-mentioned boom system, does not repeat them here.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.
Fig. 1 is the structural representation of concrete mixer in prior art;
Fig. 2 is that a kind of boom system of the utility model is at the structural representation of folded state;
Fig. 3 is the top view of the 3rd joint jib in Fig. 2;
Fig. 4 is the structural representation of the 4th joint jib in Fig. 2;
Fig. 5 be in the utility model another kind of boom system at the structural representation of folded state;
Fig. 6 is the structural representation of the 5th joint jib in Fig. 5;
Fig. 7 be in the utility model another boom system at the structural representation of folded state;
Fig. 8 be in the utility model another boom system at the structural representation of folded state;
Fig. 9 be in the utility model another boom system at the structural representation of folded state;
Figure 10 be in the utility model another boom system at the structural representation of folded state;
Figure 11 be in the utility model another boom system at the structural representation of folded state;
Figure 12 be in the utility model another boom system at the structural representation of folded state;
Figure 13 be in the utility model another boom system at the structural representation of folded state;
Figure 14 be in the utility model another boom system at the structural representation of folded state;
Figure 15 is the structural representation of a kind of boom system deployed condition shown in Fig. 2;
Figure 16 is the structural representation of a kind of boom system deployed condition shown in Fig. 7;
Figure 17 is the structural representation of a kind of boom system deployed condition shown in Figure 11;
Figure 18 is the structural representation of a kind of boom system deployed condition shown in Figure 14.
The explanation of Fig. 1 accompanying drawing
1 first segment jib 2 second section jib 3 the 3rd joint jibs
4 the 4th joint jib 5 the 5th joint jib 6 the 6th joint jibs
7 turntables
The explanation of Fig. 2 to Figure 18 accompanying drawing
1 first segment jib 2 second section jib 3 the 3rd joint jibs
4 the 4th joint jib 5 the 5th joint jib 6 the 6th joint jibs
7 the 7th joint jib 8 the 8th joint jib 9 turntables
The specific embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the utility model can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
For ease of understanding, spy explains following word:
Positive folding arm frame: two adjacent joint jibs are under folded state, and the base plate of two joint jibs is relative with base plate;
Reflexed jib: two adjacent joint jibs are under folded state, and the top board of two joint jibs is relative with top board;
Base plate and top board: during the complete horizontal development of jib, every joint jib is base plate near the plate on ground, and the plate that deviates from ground is top board, particularly, the jib of take in Fig. 2 is reference during horizontal opening left.
As shown in Figure 2 and Figure 5, the utility model proposes a kind of boom system, comprise successively hinged first segment jib 1, second section jib 2, the 3rd joint jib 3, the 4th joint jib 4 and the 5th joint jib 5, the bottom-hinged of first segment jib 1 and turntable 9, to make full use of the space of first segment jib 1 and turntable 9 tops, second section jib 2, the 3rd joint jib 3, the folding direction of the 4th joint jib 4 and the 5th joint jib 5 is identical, at folded state, the 3rd joint jib 3 and second section jib 2 are positioned at the top of first segment jib 1 successively, , the 3rd joint jib 3 is folded between second section jib 2 and first segment jib 1, the 3rd joint jib 3 is lateral bending structure, the 3rd joint jib 3 is articulated with the 4th joint jib 4 by lateral bending structure a side of second section jib 2, , the 4th joint jib 4 and second section jib 2 (or first segment jib 1) is on two different perpendiculars, the 3rd joint jib 3 is by lateral bending structure, from the perpendicular at second section jib 2 places, extend to the perpendicular at the 4th joint jib 4 places, simultaneously, the 3rd joint jib 3 is placed in the below of the 4th joint jib 4, the top of the 5th joint jib 5.Fig. 3 is the upward view of the 3rd joint jib 3 during for lateral bending structure.
In the present embodiment, the 4th joint jib 4 and the 5th joint jib 5 have one at least for bending jib (bending jib refers to the bending in perpendicular of jib agent structure in this application), Fig. 4 is that the 4th joint jib 4 is the structural representation of bending jib, and Fig. 6 is that the 5th joint jib 5 is the structural representation of bending jib.As shown in Figure 4, when the 4th joint jib 4 is bending jib, at folded state, the pin joint of the 4th joint jib 4 and the 5th joint jib 5 is positioned at the below of the 3rd joint jib 3.As shown in Figure 6, the 5th joint jib 5 is during for bending jib, and the 5th joint jib 5 and the pin joint of the 4th joint jib 4 are positioned at the top of the 3rd joint jib 3, and the end of the 5th joint jib 5 extends to the 3rd below of saving jib 3.
As shown in Figure 7 to 10, the utility model has also proposed a kind of boom system, there is other to be with above-mentioned boom system, also comprise the six joint jib 6 hinged with the 5th joint jib 5, at folded state, the 6th joint jib 6 is placed in the below of the 3rd joint jib 3, or the end of the 6th joint jib 6 extends to the below of the 3rd joint jib 3.
As shown in Figure 7, in this kind of embodiment, at folded state, the 5th joint jib 5 and the 6th joint jib 6 are all placed in the below of the 3rd joint jib 3, and the 5th joint jib 5 and the 6th saves jib 6 and is placed on straight line.
As shown in Figure 8, in this kind of embodiment, at folded state, the 5th joint jib 5 and the 6th joint jib 6 are all placed in the below of the 3rd joint jib 3, the top board of two joint jibs is relative with top board, jib 6 reflexeds are arranged in the below of jib 5, and the 4th joint jib 4, the 5th joint jib 5 and the 6th joint jib 6 are from top to bottom instead " Z " type and fold.
It should be noted that, in the above-mentioned two kinds of embodiment shown in Fig. 7 and Fig. 8, the 4th joint jib 4 is preferably bending jib, and concrete structure is with reference to Fig. 4.
As shown in Figure 9, in this kind of embodiment, at folded state, the 5th joint jib 5 and the 6th joint jib 6 are all placed in the below of the 3rd joint jib 3, and the 5th joint jib 5 arranges near turntable 9, and itself and the 6th joint jib 6 are arranged in obtuse angle.
It should be noted that, when boom system arranges the 6th joint jib 6, the setting position of the 6th joint jib 6 is except above-mentioned three kinds of embodiment that mention, when other embodiment folded states, the 6th joint jib 6 also can be placed between the 3rd joint jib 3 and the 5th joint jib 5.
As shown in figure 10, in this kind of embodiment, at folded state, the 5th joint jib 5 is placed in the upper of the 3rd joint jib 3, the pin joint of the 5th joint jib 5 and the 4th joint jib 4 is placed in the top of the 3rd joint jib 3, and itself and the 4th joint jib 4 are placed on straight line, and the 6th joint jib 6 is placed in the below of the 3rd joint jib 3.It should be noted that, in this embodiment, the 6th joint jib 6 is preferably bending jib, and concrete structure is with reference to Fig. 6.Certainly, also can allow the 5th to save jib 5 for bending jib, concrete structure can be with reference to the joint of the 4th in Fig. 4 jib.
On the basis of above-mentioned six joint jibs, boom system also can comprise the seven joint jib 7 hinged with the 6th joint jib 6, and as shown in Figure 11 to Figure 13, at folded state, the 7th joint jib 7 is placed in the below of the 3rd joint jib 3.
Figure 11 on the basis of Fig. 7, sets up the 7th joint jib 7.It should be noted that, as shown in figure 11, when folded state, the 7th joint jib 7 is relative with base plate with the base plate of the 6th joint jib 6, so, the 7th joint jib 7 and the 6th joint jib 6 are positive folding arm frame, and for the 6th joint jib 6, the 7th joint jib 7 is just being rolled over and is being placed between the 3rd joint jib 3 and the 6th joint jib 6.It should be noted that, the 7th joint jib 7 is not limited in and is placed between the 3rd joint jib 3 and the 6th joint jib 6, and it also can be placed in the below of the 6th joint jib 6.
Figure 12 improves in conjunction with Fig. 9 and Figure 10, and now, as shown in figure 12, the 5th joint jib 5 is placed in the top of the 3rd joint jib 3, and it saves jib 4 and be placed on straight line with the 4th; The 6th joint jib 6 is placed in the below of the 3rd joint jib 3 near turntable 9, and it saves jib 7 and be arranged in obtuse angle with the 7th.It should be noted that, in this embodiment, the 7th joint jib 7 and the 6th joint jib 6 also can be placed on same straight line.
Figure 13 on the basis of Figure 10, sets up the 7th joint jib 7.It should be noted that, as shown in figure 13, when folded state, the 7th joint jib 7 is relative with base plate with the base plate of the 6th joint jib 6, so, the 7th joint jib 7 and the 6th joint jib 6 are positive folding arm frame, and for the 6th joint jib 6, the 7th joint jib 7 is just being rolled over and is being placed between the 3rd joint jib 3 and the 6th joint jib 6.It should be noted that, the 7th joint jib 7 also can be placed in the 6th joint jib 6 belows in this embodiment.
As shown in figure 14, boom system also comprises the eight joint jib 8 hinged with the 7th joint jib 7, and when folded state, the 8th joint jib 8 is placed in the below of the 3rd joint jib 3, the top of the 7th joint jib 7, particularly, and its just rolling over be placed in the 3rd joint jib 3 and the 7th joint jib 7 between.This kind of embodiment set up the 8th joint jib 8 on basis embodiment illustrated in fig. 12.
Figure 15 to Figure 18 is the schematic diagram of the jib of different joint number boom systems direction of rotation while launching.At least rotatable 90 ° with respect to turntable 9 of first segment jibs 1, second section jib 2 is with respect at least rotatable 180 ° of the pin joint of itself and first segment jib, the 3rd joint jib 3 is with respect at least rotatable 180 ° of itself and the pin joint of second section jib 2, and the 4th joint jib 4 is with respect to itself and the 3rd at least rotatable 240 ° of the pin joint that saves jib 3.
As shown in figure 15, when boom system is five joint jibs, the 5th joint jib 5 is with respect to itself and the 4th at least rotatable 180 ° of the pin joint that saves jib 4.
As shown in figure 16, when boom system is six joint jibs, the 6th joint jib 6 is with respect to itself and the 5th at least rotatable 110 ° of the pin joint that saves jib 5.
As shown in figure 17, when boom system is seven joint jibs, the 7th joint jib 7 is with respect to itself and the 6th at least rotatable 180 ° of the pin joint that saves jib 6.
As shown in figure 18, when boom system is eight joint jibs, the 5th joint jib 5 is with respect to itself and the 4th at least rotatable 110 ° of the pin joint that saves jib 4, the 6th joint jib 6 is with respect to itself and the 5th at least rotatable 180 ° of the pin joint that saves jib 5, the 7th joint jib 7 is at least rotatable 110 ° of pin joint with the 6th joint jib 6 with respect to it, and the 8th joint jib 8 is with respect to itself and the 7th at least rotatable 180 ° of the pin joint that saves jib 7.
It should be noted that, it is the situation of five, six, seven, eight joints that above-described embodiment has only provided jib joint number, and in other embodiments, the joint number of boom system can be more.
Compared with prior art, by the bottom-hinged with turntable 9 by first segment jib 1, second section jib 2, the 3rd joint jib 3 are folded in the top of first segment jib 1, to make full use of the space of first segment jib 1 and turntable 9 tops; The folding direction of second section jib 2, the 3rd joint jib 3, the 4th joint jib 4 and the 5th joint jib 5 is identical, be convenient to the folding of the 5th joint jib 5 and follow-up jib, by at least final section jib of boom system being arranged to the below of the 3rd joint jib 3, can make full use of the space of the 3rd joint jib 3 belows, make this boom system can arrange more longer jibs, increased the cloth scope of boom system.
In addition, the utility model also provides another kind of concrete mixer, comprises the boom system in turntable and above-mentioned any embodiment, and first segment jib 1 is articulated with the bottom of turntable 9.Its technique effect is identical with the technique effect of above-mentioned boom system, does not repeat them here.
Further, second section jib 2 and the 3rd joint jib 3 parts extend to the top of the driver's cabin of concrete mixer, and it makes second section jib 2 and the 3rd save longer that jib 3 can design, and has expanded the cloth scope of concrete mixer.Certainly, the 4th joint jib 4 or the 5th can also be saved to the top that jib 5 parts extend to the driver's cabin of concrete mixer, make jib longer.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (13)
1. a boom system, comprise successively hinged first segment jib (1), second section jib (2), the 3rd joint jib (3), the 4th joint jib (4) and the 5th joint jib (5), it is characterized in that, the bottom-hinged of first segment jib (1) and turntable (9), at folded state, the 3rd joint jib (3) and second section jib (2) are positioned at first segment jib (1) top successively, the 3rd joint jib (3) is articulated with the 4th joint jib (4) by lateral bending structure a side of second section jib (2), in described boom system at least final section jib be positioned at the 3rd joint jib (3) below.
2. boom system according to claim 1, it is characterized in that, the 4th joint jib (4) is bending jib, at folded state, the pin joint of the 4th joint jib (4) and the 5th joint jib (5) is positioned at the below of the 3rd joint jib (3), or the 5th joint jib (5) be bending jib, the pin joint of the 5th joint jib (5) and the 4th joint jib (4) is positioned at the top of the 3rd joint jib (3), and the end of the 5th joint jib (5) extends to the below of the 3rd joint jib (3).
3. boom system according to claim 1, it is characterized in that, described boom system also comprises the six joint jib (6) hinged with the 5th joint jib (5), at folded state, the 6th joint jib (6) is placed in the below of the 3rd joint jib (3), or the end of the 6th joint jib (6) extends to the below of the 3rd joint jib (3).
4. boom system according to claim 3, it is characterized in that, at folded state, the 5th joint jib (5) is placed on straight line with the 6th joint jib (6), or the 4th joint jib (4), the 5th joint jib (5) are from top to bottom instead " Z " type with the 6th joint jib (6) and fold, or the 5th joint jib (5) be arranged in obtuse angle with the 6th joint jib (6), or the 6th joint jib (6) is placed in the 3rd joint jib (3) and the 5th and saves between jib (5).
5. boom system according to claim 3, it is characterized in that, at folded state, the 5th joint jib (5) with the 4th joint jib (4) pin joint be placed in the 3rd joint jib (3) top, and the 5th joint jib (5) with the 4th joint jib (4) be placed on straight line.
6. according to the boom system described in any one in claim 3 to 5, it is characterized in that, also comprise the seven joint jib (7) hinged with the 6th joint jib (6), at folded state, the pin joint of the 7th joint jib (7) and the 6th joint jib (6) is positioned at the below of the 3rd joint jib (3).
7. boom system according to claim 6, it is characterized in that, the 4th joint jib (4) is bending jib, at folded state, the 5th joint jib (5) with the 6th joint jib (6) pin joint be placed in the 3rd joint jib (3) below, and the 5th joint jib (5) with the 6th joint jib (6) be placed on straight line; The 7th joint jib (7) is placed in the below of the 6th joint jib (6) or is placed in the 3rd joint jib (3) and the 6th and saves between jib (6).
8. boom system according to claim 6, it is characterized in that, the 6th joint jib (6) is arranged in obtuse angle with the 7th joint jib (7), or the 7th joint jib (7) be placed in the 3rd joint jib (3) and the 6th and save between jib (6), or the 7th joint jib (7) be placed in the 6th joint jib (6) below, or the 7th joint jib (7) with the 6th joint jib (6) be placed on same straight line.
9. according to the boom system described in any one in claim 3 to 5, it is characterized in that, the 4th joint jib (4) or the 5th joint jib (5) or the 6th joint jib (6) are bending jib.
10. boom system according to claim 6, it is characterized in that, described boom system also comprises the eight joint jib (8) hinged with the 7th joint jib (7), at folded state, the 8th joint jib (8) is placed in the below of the 3rd joint jib (3), the top of the 7th joint jib (7).
11. according to the boom system described in any one in claim 1 to 5, it is characterized in that, the folding direction of described second section jib (2), the 3rd joint jib (3), the 4th joint jib (4) and the 5th joint jib (5) is identical.
12. 1 kinds of concrete mixers, comprise turntable (9), it is characterized in that, described concrete mixer also comprises the boom system described in claim 1 to 11 any one, and described first segment jib (1) is articulated with the bottom of turntable (9).
13. concrete mixers according to claim 12, is characterized in that, described second section jib (2) and the 3rd joint jib (3) part extend to the top of the driver's cabin of described concrete mixer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420358115.3U CN204001764U (en) | 2014-06-30 | 2014-06-30 | Boom system and concrete mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420358115.3U CN204001764U (en) | 2014-06-30 | 2014-06-30 | Boom system and concrete mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204001764U true CN204001764U (en) | 2014-12-10 |
Family
ID=52041787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420358115.3U Expired - Lifetime CN204001764U (en) | 2014-06-30 | 2014-06-30 | Boom system and concrete mixer |
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| Country | Link |
|---|---|
| CN (1) | CN204001764U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517578A (en) * | 2020-11-20 | 2022-05-20 | 三一汽车制造有限公司 | Working vehicle |
| CN115142678A (en) * | 2021-03-31 | 2022-10-04 | 三一汽车制造有限公司 | Arm support device and engineering machinery |
-
2014
- 2014-06-30 CN CN201420358115.3U patent/CN204001764U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517578A (en) * | 2020-11-20 | 2022-05-20 | 三一汽车制造有限公司 | Working vehicle |
| WO2022105234A1 (en) * | 2020-11-20 | 2022-05-27 | 三一汽车制造有限公司 | Operation vehicle |
| CN114517578B (en) * | 2020-11-20 | 2023-04-28 | 三一汽车制造有限公司 | Work vehicle |
| CN115142678A (en) * | 2021-03-31 | 2022-10-04 | 三一汽车制造有限公司 | Arm support device and engineering machinery |
| CN115142678B (en) * | 2021-03-31 | 2024-02-06 | 三一汽车制造有限公司 | Arm support device and engineering machinery |
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