CN202117334U - Cantilever structure and concrete pump truck - Google Patents
Cantilever structure and concrete pump truck Download PDFInfo
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- CN202117334U CN202117334U CN2011201979764U CN201120197976U CN202117334U CN 202117334 U CN202117334 U CN 202117334U CN 2011201979764 U CN2011201979764 U CN 2011201979764U CN 201120197976 U CN201120197976 U CN 201120197976U CN 202117334 U CN202117334 U CN 202117334U
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Abstract
The utility model relates to the technical field of concrete pump trucks, in particular to a cantilever structure capable of distributing materials in small spaces. The cantilever structure comprises at least one cantilever, adjacent ends of adjacent cantilevers are in hinge connection, and the end of the first section of the cantilever is in hinge connection with a rotary table. An extensible oil cylinder for folding or unfolding the cantilevers is positioned between adjacent cantilevers, two ends of the extensible oil cylinder are respectively in hinge connection with a front section of the cantilever and a rear section of the cantilever, and the extensible oil cylinder in a shrinkage state is arranged in the front section of the cantilever or the rear section of the cantilever. The gap is small, when the cantilever structure is folded. Thus, more cantilevers can be arranged in a limited vertical space. The utility model also discloses a concrete pump truck with the cantilever structure.
Description
Technical field
The utility model relates to the concrete mixer technical field, relate in particular to a kind of can be in small space the jib structure of cloth.The utility model also relates to a kind of concrete mixer with above-mentioned jib structure.
Background technology
Concrete mixer is a plant equipment of utilizing pressure that concrete is carried along pipeline continuously, and it mainly is made up of the pump housing and carrier pipe.Concrete mixer in the course of the work, need through be fixed in carrier pipe on the jib structure with transmission and concrete transmission to assigned address, and along with the variation of transfer position, jib structure need drive carrier pipe and realize actions such as expansion, gathering and rotation.The jib structure of concrete mixer generally comprises the more piece jib, and respectively saves between the jib and can fold.
Owing to limited by traffic law, the jib of concrete mixer must not make its car load height be higher than certain value after folding, so the vertical space that jib can be arranged when folding is very limited, thereby has limited the joint number of jib.Influenced by this; Be unfavorable for developing the more overlength jib of joint number on the one hand; Be unfavorable for when the jib length overall is constant, reducing the length of single-unit jib on the other hand; Thereby the minimum space (minimum that is jib structure is launched height H, referring to Fig. 1) that the jib structure expansion is required is bigger, and concrete mixer is difficult in small space, launch the jib construction.
Therefore, how to reduce the gap of jib when folding, in limited vertical space, arrange more jib, become the technical barrier that those skilled in the art need to be resolved hurrily.
The utility model content
First purpose of the utility model provides a kind of jib structure, and the gap when this jib structure is folding is less, can in limited vertical space, arrange more jib.Second purpose of the utility model provides a kind of concrete mixer with above-mentioned jib structure.
In order to realize above-mentioned first purpose, the utility model provides a kind of jib structure, comprises being no less than one jib; The abutting end of adjacent jib is hinged; The end and the turntable of first segment jib are hinged, are provided with the telescopic oil cylinder that is used to launch or draw in jib between the adjacent jib, the two ends of this telescopic oil cylinder respectively with last joint jib, the back one the joint jib hinged; When said telescopic oil cylinder was in contraction state, its cylinder body was contained in the said last joint jib and/or said back one is saved in the jib.
Preferably, all offer groove on said last joint jib and the said back one joint jib, when said telescopic oil cylinder was in contraction state, the two ends of its cylinder body were contained in respectively in the groove of said last joint jib and said back one joint jib.
Preferably; Said jib structure comprises M type jib unit or the R type jib unit that is no less than, and this M type jib unit comprises that quantity is no less than the hinged successively jib of three joints, when this M type jib unit is in rounding state; Wherein a joint jib is between adjacent last joint jib and adjacent back one joint jib; This R type jib unit comprises that quantity is no less than the hinged successively jib of three joints, and when this R type jib unit was in rounding state, wherein a joint jib was between adjacent first-half jib.
Preferably; This jib structure comprises six joint jibs at least; First segment jib, the second joint jib, the 3rd joint jib form said M type jib unit; The 3rd joint jib, the 4th joint jib, the 5th joint jib form said M type jib unit, and the 4th joint jib, the 5th joint jib, the 6th joint jib form said R type jib unit.
Preferably; This jib structure comprises six joint jibs at least; First segment jib, the second joint jib, the 3rd joint jib form said M type jib unit; The 3rd joint jib, the 4th joint jib, the 5th joint jib form said R type jib unit, and the 4th joint jib, the 5th joint jib, the 6th joint jib form said M type jib unit.
Preferably; This jib structure comprises six joint jibs at least; First segment jib, the second joint jib, the 3rd joint jib form said M type jib unit; The 3rd joint jib, the 4th joint jib, the 5th joint jib form said R type jib unit, and the 4th joint jib, the 5th joint jib, the 6th joint jib form said R type jib unit.
Preferably; This jib structure comprises six joint jibs at least; First segment jib, the second joint jib, the 3rd joint jib form said R type jib unit; The 3rd joint jib, the 4th joint jib, the 5th joint jib form said M type jib unit, and the 4th joint jib, the 5th joint jib, the 6th joint jib form said R type jib unit.
Preferably; This jib structure comprises six joint jibs at least; First segment jib, the second joint jib, the 3rd joint jib form said R type jib unit; The 3rd joint jib, the 4th joint jib, the 5th joint jib form said R type jib unit, and the 4th joint jib, the 5th joint jib, the 6th joint jib form said R type jib unit.
Preferably; This jib structure comprises six joint jibs at least; First segment jib, the second joint jib, the 3rd joint jib form said R type jib unit; The 3rd joint jib, the 4th joint jib, the 5th joint jib form said R type jib unit, and the 4th joint jib, the 5th joint jib, the 6th joint jib form said M type jib unit.
The jib structure that the utility model provided comprises a plurality of jibs; The abutting end of adjacent jib is hinged; Be located at telescopic oil cylinder between the adjacent jib, the two ends of telescopic oil cylinder respectively with last joint jib, the back one the joint jib hinged, the expanding-contracting action of telescopic oil cylinder can realize jib next the joint jib expansion and gathering; When this telescopic oil cylinder was in contraction state, its cylinder body was contained in the one joint jib of in the said last joint jib or/and back.
The jib structure of this structure will be used to launch and draw in the retract cylinder of next joint jib;, it is built in when being in contraction state in the one joint jib of in the last joint jib or/and back; When jib is in rounding state; This scheme can reduce between the adjacent two joint jibs in limited vertical space, to increase the joint number of jib in the space of vertical direction; And then shorten the length of single jib, and when other jib length basically identicals except that the first segment jib, can effectively reduce the minimum of jib structure and launch height, can jib structure be launched in narrow space smoothly.
In order to realize above-mentioned second purpose; The utility model also provides a kind of concrete mixer; This concrete mixer has above-mentioned jib structure, because above-mentioned jib structure has above-mentioned technique effect, the concrete mixer with this jib structure also should have the corresponding techniques effect.
Description of drawings
Fig. 1 is that the jib structure of concrete mixer is in the structural representation when launching;
Fig. 2 is the structural representation of a kind of specific embodiment of the jib structure that the utility model provided;
The structural representation of the jib structure of arranging with M-M-R type mode that Fig. 3 a-Fig. 3 c is that the utility model provided;
The structural representation of the jib structure of arranging with M-R-M type mode that Fig. 4 a-Fig. 4 d is that the utility model provided;
The structural representation of the jib structure of arranging with M-R-R type mode that Fig. 5 a-Fig. 5 c is that the utility model provided;
The structural representation of the jib structure that Fig. 6 arranged with R-M-R type mode for the utility model provided;
The structural representation of the jib structure that Fig. 7 arranged with R-R-R type mode for the utility model provided;
The structural representation of the jib structure that Fig. 8 arranged with R-R-M type mode for the utility model provided;
Wherein, among Fig. 1-Fig. 8:
The specific embodiment
In order to make those skilled in the art better understand the technical scheme of the utility model, the utility model is done further to specify below in conjunction with the accompanying drawing and the specific embodiment.
Please referring to Fig. 2, Fig. 2 is the structural representation of a kind of specific embodiment of the jib structure that the utility model provided.
As shown in Figure 2, the jib structure that the utility model provided comprises a plurality of jibs, and the end of first segment jib 1 and turntable 10 are hinged; The abutting end of adjacent jib is hinged, is provided with telescopic oil cylinder 20 between the adjacent jib, and an end of telescopic oil cylinder 20 and last joint jib are hinged; The other end of telescopic oil cylinder 20 is hinged (among the application with back one joint jib; Adjacent two joint jibs are last joint jib near the jib of turntable 10, and another joint jib be that jib is saved in back one); Telescopic oil cylinder 20 is used for driving back one joint jib and launches or draw in action; Telescopic oil cylinder 20 is built in when being in contraction state in the last joint jib, in the concrete scheme, on the jib of last joint, is provided with the groove structure that is used for partly or entirely holding telescopic oil cylinder 20; When jib structure was in rounding state, telescopic oil cylinder 20 was contained in last joint jib or/and in the groove structure on the one joint jib of back.
The jib structure of this structure will be used to launch and draw in the retract cylinder of next joint jib;, it is contained in last joint jib when being in contraction state or/and in the groove structure on the one joint jib of back; When jib structure was in rounding state, this scheme can reduce between the adjacent two joint jibs in limited vertical space, to increase the joint number of jib in the space of vertical direction; And then shorten the length of single jib; When other jib length basically identicals except that first segment jib 1, can effectively reduce the minimum of jib structure and launch height, can jib structure be launched in narrow space smoothly.
In the concrete scheme; As shown in Figure 2, this jib structure comprises that first segment jib 1, the second joint jib the 2, the 3rd save jib 3, the 4th joint jib the 4, the 5th saves six joint jibs such as jib 5, the 6th joint jib 6, and it is from beginning to end hinged successively that each saves jib; Telescopic oil cylinder 20 between the second joint jib 2 and the 3rd joint jib 3 is built in the second joint jib 2; When jib structure is in rounding state, can reduce the gap between the second joint jib 2 and the 3rd jib, make the 4th joint jib the 4, the 5th save jib 5 and move down in the position of vertical direction; Can add the 6th joint jib 6 in the outer end of the 5th joint jib 5; Can under the constant situation of whole jib structure length overall, in limited vertical space, increase the joint number of jib, and then shorten the length of single jib.
In the preferred version; In order can in small space, smoothly jib structure to be launched; Jib structure can comprise the M type jib unit that is no less than; This M type jib unit comprises that quantity is no less than the hinged successively jib of three joints, and when this M type jib unit was in rounding state, wherein a joint jib was between adjacent last joint jib and adjacent back one joint jib; Each jib in the M type jib unit can be convenient to telescopic oil cylinder 20 is built in the last joint jib, can effectively reduce the gap between the adjacent jib.
In the preferred version, in order to make full use of the gap between each jib on the vertical direction, jib structure can comprise the R type jib unit that is no less than; This R type jib unit comprises that quantity is no less than the hinged successively jib of three joints; When this R type jib unit was in rounding state, wherein a joint jib was between adjacent first-half jib, and the joint jib 3 of the 3rd in the M type jib unit (comprising the 3rd joint jib 3) jib backward is located between the adjacent first-half jib of this jib; Can make full use of the gap between the said first-half jib; In limited vertical space, increase the joint number of jib, and then shorten the length of single jib, when other jib length basically identicals except that first segment jib 1; Can effectively reduce the minimum of jib structure and launch height, can jib structure be launched in narrow space smoothly.
In the concrete scheme; Shown in Fig. 3 a-Fig. 3 c; Jib structure can arrange that this jib structure comprises six joint jibs at least by M-M-R type mode, and first segment jib 1, the second joint jib the 2, the 3rd save jib 3 and form said M type jib unit; The 3rd joint jib 3, the 4th joint jib 4, the 5th joint jib 5 form said M type jib unit, and the 4th joint jib 4, the 5th joint jib 5, the 6th joint jib 6 form said R type jib unit.In the preferred version, can add the 7th joint jib 7 in the outside of the 6th joint jib 6, shown in Fig. 3 b, Fig. 3 c, the 7th joint jib 7 can be located at the upside or the downside of the 6th joint jib 6.
In the concrete scheme; Shown in Fig. 4 a-Fig. 4 d; Jib structure can arrange that this jib structure comprises six joint jibs at least by M-R-M type mode, and first segment jib 1, the second joint jib the 2, the 3rd save jib 3 and form said M type jib unit; The 3rd joint jib 3, the 4th joint jib 4, the 5th joint jib 5 form said R type jib unit, and the 4th joint jib 4, the 5th joint jib 5, the 6th joint jib 6 form said M type jib unit.In the preferred version, can add the 7th joint jib 7 in the outside of the 6th joint jib 6, shown in Fig. 4 c, Fig. 4 d, the 7th joint jib 7 can be located at the upside or the downside of the 6th joint jib 6.
In the more excellent scheme,, can existing jib be blocked and form two arm joints, increase jib quantity, in that minimum expansion of jib highly do not had under the situation of influence, can increase the flexibility of jib like this in order to increase the flexibility of jib structure.Shown in Fig. 4 d, the 5th joint jib 5 can be cut into hinged the first arm joint 51, second arm joint 52.
In the concrete scheme; Shown in Fig. 5 a-Fig. 5 c; Jib structure can arrange that this jib structure comprises six joint jibs at least by M-R-R type mode, and first segment jib 1, the second joint jib the 2, the 3rd save jib 3 and form said M type jib unit; The 3rd joint jib 3, the 4th joint jib 4, the 5th joint jib 5 form said R type jib unit, and the 4th joint jib 4, the 5th joint jib 5, the 6th joint jib 6 form said R type jib unit.In the preferred version, can add the 7th joint jib 7 in the outside of the 6th joint jib 6, shown in Fig. 5 c, the 7th joint jib 7 can be located at the upside or the downside of the 6th joint jib 6.
In the concrete scheme; As shown in Figure 6; Jib structure can arrange that this jib structure comprises six joint jibs at least by R-M-R type mode, and first segment jib 1, the second joint jib the 2, the 3rd save jib 3 and form said R type jib unit; The 3rd joint jib 3, the 4th joint jib 4, the 5th joint jib 5 form said M type jib unit, and the 4th joint jib 4, the 5th joint jib 5, the 6th joint jib 6 form said R type jib unit.
In the concrete scheme; As shown in Figure 7; Jib structure can arrange that this jib structure comprises six joint jibs at least by R-R-R type mode, and first segment jib 1, the second joint jib the 2, the 3rd save jib 3 and form said R type jib unit; The 3rd joint jib 3, the 4th joint jib 4, the 5th joint jib 5 form said R type jib unit, and the 4th joint jib 4, the 5th joint jib 5, the 6th joint jib 6 form said R type jib unit.
In the concrete scheme; As shown in Figure 8; Jib structure can arrange that this jib structure comprises six joint jibs at least by R-R-M type mode, and first segment jib 1, the second joint jib the 2, the 3rd save jib 3 and form said R type jib unit; The 3rd joint jib 3, the 4th joint jib 4, the 5th joint jib 5 form said R type jib unit, and the 4th joint jib 4, the 5th joint jib 5, the 6th joint jib 6 form said M type jib unit.
The utility model is to the not restriction of joint number of jib, and all jib structures have the first six joint jib by above-mentioned arrangement, all should be in the protection domain of the utility model.
In the foregoing description; The telescopic oil cylinder that the second joint jib the 2, the 3rd is saved between the jib 3 is built in the 3rd joint jib 3; The utility model is not limited thereto; Telescopic oil cylinder between the adjacent jib of any two joints all can be built in the last joint jib, and these schemes all should be in the protection domain of the utility model.
In the foregoing description, telescopic oil cylinder is built in the last joint jib, and the utility model is not limited thereto, and telescopic oil cylinder can also be built in the one joint jib of back, and these two kinds of schemes all should be in the protection domain of the utility model.
The utility model also provides a kind of concrete mixer; This concrete mixer has above-mentioned jib structure; The end and the turntable 10 of the first segment jib 1 of this jib structure are hinged; Because above-mentioned jib structure has above-mentioned technique effect, the concrete mixer with this jib structure also should have the corresponding techniques effect.
The above only is the description of the preferred implementation of utility model; 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 utility model principle, can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (10)
1. a jib structure comprises being no less than one jib, and the abutting end of adjacent jib is hinged; The end of first segment jib (1) and turntable (10) are hinged; Be provided with the telescopic oil cylinder (20) that is used to launch or draw in jib between the adjacent jib, the two ends of this telescopic oil cylinder (20) respectively with last joint jib, the back one the joint jib hinged, it is characterized in that; Said telescopic oil cylinder (20) is when being in contraction state, and its cylinder body is contained in the said last joint jib and/or said back one is saved in the jib.
2. jib structure according to claim 1; It is characterized in that; All offer groove on said last joint jib and the said back one joint jib, said telescopic oil cylinder (20) is when being in contraction state, and the two ends of its cylinder body are contained in respectively in the groove of said last joint jib and said back one joint jib.
3. jib structure according to claim 1 and 2; It is characterized in that; Said jib structure comprises M type jib unit or the R type jib unit that is no less than, and this M type jib unit comprises that quantity is no less than the hinged successively jib of three joints, when this M type jib unit is in rounding state; Wherein a joint jib is between adjacent last joint jib and adjacent back one joint jib; This R type jib unit comprises that quantity is no less than the hinged successively jib of three joints, and when this R type jib unit was in rounding state, wherein a joint jib was between adjacent first-half jib.
4. jib structure according to claim 3; It is characterized in that; This jib structure comprises six joint jibs at least; First segment jib (1), the second joint jib (2), the 3rd joint jib (3) form said M type jib unit, and the 3rd joint jib (3), the 4th joint jib (4), the 5th joint jib (5) form said M type jib unit, and the 4th joint jib (4), the 5th joint jib (5), the 6th joint jib (6) form said R type jib unit.
5. jib structure according to claim 3; It is characterized in that; This jib structure comprises six joint jibs at least; First segment jib (1), the second joint jib (2), the 3rd joint jib (3) form said M type jib unit, and the 3rd joint jib (3), the 4th joint jib (4), the 5th joint jib (5) form said R type jib unit, and the 4th joint jib (4), the 5th joint jib (5), the 6th joint jib (6) form said M type jib unit.
6. jib structure according to claim 3; It is characterized in that; This jib structure comprises six joint jibs at least; First segment jib (1), the second joint jib (2), the 3rd joint jib (3) form said M type jib unit, and the 3rd joint jib (3), the 4th joint jib (4), the 5th joint jib (5) form said R type jib unit, and the 4th joint jib (4), the 5th joint jib (5), the 6th joint jib (6) form said R type jib unit.
7. jib structure according to claim 3; It is characterized in that; This jib structure comprises six joint jibs at least; First segment jib (1), the second joint jib (2), the 3rd joint jib (3) form said R type jib unit, and the 3rd joint jib (3), the 4th joint jib (4), the 5th joint jib (5) form said M type jib unit, and the 4th joint jib (4), the 5th joint jib (5), the 6th joint jib (6) form said R type jib unit.
8. jib structure according to claim 3; It is characterized in that; This jib structure comprises six joint jibs at least; First segment jib (1), the second joint jib (2), the 3rd joint jib (3) form said R type jib unit, and the 3rd joint jib (3), the 4th joint jib (4), the 5th joint jib (5) form said R type jib unit, and the 4th joint jib (4), the 5th joint jib (5), the 6th joint jib (6) form said R type jib unit.
9. jib structure according to claim 3; It is characterized in that; This jib structure comprises six joint jibs at least; First segment jib (1), the second joint jib (2), the 3rd joint jib (3) form said R type jib unit, and the 3rd joint jib (3), the 4th joint jib (4), the 5th joint jib (5) form said R type jib unit, and the 4th joint jib (4), the 5th joint jib (5), the 6th joint jib (6) form said M type jib unit.
10. a concrete mixer is characterized in that, comprises each described jib structure of claim 1-9, and the first segment jib (1) of this jib structure is hinged with turntable (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201979764U CN202117334U (en) | 2011-06-13 | 2011-06-13 | Cantilever structure and concrete pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201979764U CN202117334U (en) | 2011-06-13 | 2011-06-13 | Cantilever structure and concrete pump truck |
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| Publication Number | Publication Date |
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| CN202117334U true CN202117334U (en) | 2012-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201979764U Expired - Lifetime CN202117334U (en) | 2011-06-13 | 2011-06-13 | Cantilever structure and concrete pump truck |
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| CN (1) | CN202117334U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182319A (en) * | 2011-06-13 | 2011-09-14 | 三一重工股份有限公司 | Cantilever structure 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 |
-
2011
- 2011-06-13 CN CN2011201979764U patent/CN202117334U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182319A (en) * | 2011-06-13 | 2011-09-14 | 三一重工股份有限公司 | Cantilever structure and concrete pump truck |
| WO2012171402A1 (en) * | 2011-06-13 | 2012-12-20 | 湖南三一智能控制设备有限公司 | Boom structure and concrete pumping vehicle |
| 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 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120118 |