CN202441065U - Arm support device and concrete pump truck - Google Patents
Arm support device and concrete pump truck Download PDFInfo
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- CN202441065U CN202441065U CN2012200635754U CN201220063575U CN202441065U CN 202441065 U CN202441065 U CN 202441065U CN 2012200635754 U CN2012200635754 U CN 2012200635754U CN 201220063575 U CN201220063575 U CN 201220063575U CN 202441065 U CN202441065 U CN 202441065U
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- jib
- joint
- arm
- hinged
- boom device
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Abstract
The utility model discloses an arm support device which comprises a plurality of arm supports which are hinged sequentially. A first arm support is hinged with a rotating platform of engineering machinery, the rotating platform is arranged in the middle of the engineering machinery, the first arm support is inversed, and a second arm support is hinged with the first arm support and folded above the first arm support. The second arm support to the last arm support both penetrate through a truck body of the engineering machinery. The rotating platform is arranged in the middle of the engineering machinery, the first arm support is inversed and extends towards the tail portion of the engineering machinery or the direction of a cab, so that the second arm support to the last arm support can penetrate through the truck body of the engineering machinery, namely the second arm support to the last arm support can penetrate from the cab of the engineering machinery to the tail portion of the engineering machinery along the length direction of the engineering machinery. Therefore, arrangement of overlength arm supports can be achieved. The arm support device further increases unfolding height of the whole arm support device to enlarge material distribution range. A concrete pump truck is further provided.
Description
Technical field
The utility model relates to the concrete pumping technique field, relates in particular to a kind of boom device.The utility model also relates to a kind of concrete mixer with above-mentioned boom device.
Background technology
Along with the fast development of China's economic construction, market increases for the increasing demand of constructional engineering machinery especially concrete mixer.
Jib in the concrete mixer is generally more piece, and respectively saves between the jib and can fold.In the course of work of concrete mixer, need through be fixed in carrier pipe on the jib with transmission and concrete transmission to assigned address, and along with the variation of transfer position, jib need drive actions such as carrier pipe is realized launching, folding and rotation.
As shown in Figure 1, be a kind of structural representation of typical concrete mixer.The boom device of this concrete mixer comprise turntable 1 ', first segment jib 21 ', second the joint jib 22 ', the 3rd the joint jib 23 ', the 4th the joint jib 24 '; Wherein, Turntable 1 ' be installed on through pivoting support on the chassis of concrete mixer; Turntable 1 ' can rotate with respect to the chassis, first segment jib 21 ' be articulated in turntable 1 ' on, and above-mentioned respectively to save jib hinged successively; Driving oil cylinder is set between adjacent two jibs rotates, thereby realize opening and folding of jib to drive adjacent two jibs.
With reference to Fig. 1; Turntable 1 ' generally be arranged in the position of chassis near driver's cabin also is the front portion on chassis, first segment jib 21 ' with turntable 1 ' hinged and folding to the afterbody of concrete mixer; Turntable 1 ' and first segment jib 21 ' between be provided with first arm support oil cylinder 3 '; First arm support oil cylinder 3 ' two ends respectively with turntable 1 ', first segment jib 21 ' hinged, and first segment jib 21 ' just put, promptly first segment jib 21 ' with turntable 1 ' hinge axes A be higher than first arm support oil cylinder 21 ' with turntable 1 ' hinge axes B; Under boom device was in folded state, first arm support oil cylinder 3 ' stretch out was to promote first segment jib 21 ' launch action.
According to boom device R type, Z type or RZ type folding mode commonly used; Under boom device is in folded state; The above-mentioned second joint jib 22 ', the 3rd joint jib 23 ', the 4th joint jib 24 ' generally be arranged in first segment jib 21 ' the arrangement space of below in, the second joint jib 22 ', the 3rd joint jib 23 ' and the 4th joint jib 24 ' length general also less than first segment jib 21 ' length.Therefore, in this kind jib arrangement form, each saves the length of jib is limited to, and in order to increase the length of run of boom device, needs to increase the joint number of jib; But because the arrangement space of first segment jib 21 ' below is limited, accelerating of jib joint number is limited.
Under the development trend of super high pump-conveying height, ultra wide cloth scope, jib arrangement form of the prior art can not satisfy the layout of overlength jib at current concrete mixer.Therefore, how to improve the folding mode of boom device,, improve the cloth scope of whole boom device, become the technical barrier that those skilled in the art need to be resolved hurrily for the overlength jib provides arrangement space.
The utility model content
Based on the technical scheme that first segment jib in the background technology is just being put, the first segment jib is inverted in the boom device that the utility model proposes, and promptly the pin joint of first segment jib and turntable is lower than the pin joint of first arm support oil cylinder and turntable.In view of the above, first purpose of the utility model provides a kind of boom device, can realize the layout of overlength jib, and then improves the cloth scope of whole boom device.Second purpose of the utility model provides a kind of concrete mixer with above-mentioned boom device.
In order to realize above-mentioned first purpose; The utility model provides a kind of boom device, is used for engineering machinery, comprises hinged successively more piece jib; The turntable of first segment jib and engineering machinery is hinged; Turntable is positioned at the middle part of engineering machinery, and the first segment jib is inverted, and the second joint jib and first segment jib are hinged and be folded to the top of first segment jib; The extremely minor details jib of the second joint jib all runs through the car body of engineering machinery.
Preferably, at least one joint jib is hinged with telescopic oil cylinder by at least two hinged forming of arm joint between adjacent two arms joint; Perhaps, at least one joint jib is at least two dismantled and assembled being formed by connecting of arm joint.
Preferably, the first segment jib saves hinged forming by two arms, and between two arms joints, is hinged with telescopic oil cylinder.
Preferably; Said boom device comprises four hinged successively joint jibs at least; Wherein the 3rd joint jib be the jib that turns round, and it comprises first straight arm section, the section of turning round and second straight arm section, first straight arm section and second save jib hinged and be folded to second save jib the below; The 4th joint jib and second straight arm section is hinged and be folded to the top of second straight arm section.
Preferably, the 3rd joint jib is two dismantled and assembled being formed by connecting of arm joint, and the dismantled and assembled link position of two arm joints is located at second straight arm section.
Preferably, the second joint jib, the 3rd joint jib and the 4th joint jib include two arm joints.
Preferably, said boom device comprises hinged successively five joint jibs at least, the 5th joint jib with the 4th joint jib hinged and be folded to the 4th save jib the top.
Preferably, the 5th joint jib is minor details jib, and the 5th joint jib comprises three arms joints: front end arm joint, middle part arm joint and terminal arm save;
Front end arm joint and dismantled and assembled being formed by connecting of middle part arm joint; Middle part arm joint and hinged the forming of terminal arm joint, and between these two arm joints, be hinged with telescopic oil cylinder; Perhaps, three hinged successively forming of arm joint, and between adjacent two arms joint, be hinged with telescopic oil cylinder.
Preferably, the first segment jib extends to the driver's cabin of engineering machinery, and perhaps the afterbody to engineering machinery extends.
The boom device that the utility model provides comprises hinged successively more piece jib; The turntable of first segment jib and engineering machinery is hinged; Turntable is positioned at the middle part of engineering machinery, and the first segment jib is inverted, and the second joint jib and first segment jib are hinged and be folded to the top of first segment jib; The extremely minor details jib of the second joint jib all runs through the car body of engineering machinery.Turntable is arranged on the middle part of engineering machinery; The first segment jib is inverted and is extended to the afterbody or the driver's cabin direction of engineering machinery; Like this, second joint jib to the minor details jib just can run through the car body of whole engineering machinery, and promptly the driver's cabin along the length direction of engineering machinery from engineering machinery is through to its afterbody; Thereby can realize the layout of overlength jib, the expansion height that further improves whole boom device is to enlarge its cloth scope.
In the preferred version, at least one joint jib is hinged with telescopic oil cylinder by at least two hinged forming of arm joint between adjacent two arms joint; Perhaps, at least one joint jib is at least two dismantled and assembled being formed by connecting of arm joint.It is the above short arm joints of two joints that the jib that single-unit is long blocks; The galianconism joint is convenient in the jib manufacturing process, carry out processing and fabricating, transportation, dismounting, assembly manipulation; And in the cloth process with respect to single-unit overlength jib; More piece galianconism joint can increase the flexibility of jib cloth, enlarges the cloth scope of boom device.
In order to realize above-mentioned second purpose, the utility model also provides a kind of concrete mixer, and this concrete mixer has above-mentioned boom device.Because above-mentioned boom device has above-mentioned technique effect, the concrete mixer with this boom device also should have the corresponding techniques effect.
Description of drawings
Fig. 1 is the structural representation of a kind of typical concrete mixer in the prior art;
The structural representation of the boom device that Fig. 2 is provided for a kind of specific embodiment of the utility model;
Fig. 3 is Fig. 2 intermediate station and first segment jib structures arranged sketch map;
Fig. 4 is the first segment jib and the second joint jib structures arranged sketch map among Fig. 3;
Fig. 5 is the second joint jib and the 3rd a joint jib structures arranged sketch map among Fig. 3;
Fig. 6 is the 3rd joint jib and the 4th a joint jib structures arranged sketch map among Fig. 3;
Fig. 7 is the 4th joint jib among Fig. 3, the 5th joint jib, the 6th joint jib structures arranged sketch map;
Fig. 8 is the structural representation of dismantled and assembled connection in the utility model;
Fig. 9 is the enlarged drawing at A place among Fig. 8;
The structural representation of the boom device that Figure 10 is provided for the another kind of specific embodiment of the utility model;
Figure 11 is turntable and the first segment jib structures arranged sketch map among Fig. 8;
Wherein, among Fig. 1-Figure 11:
Turntable 1 ', first segment jib 21 ', the second joint jib 22 ', the 3rd joint jib 23 ', the 4th joint jib 24 ', first arm support oil cylinder 3 ';
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. 3, Fig. 4, the structural representation of the boom device that Fig. 2 is provided for a kind of specific embodiment of the utility model; Fig. 3 is Fig. 2 intermediate station and first segment jib structures arranged sketch map; Fig. 4 is the first segment jib and the second joint jib structures arranged sketch map among Fig. 3.
Like Fig. 2, Fig. 3, shown in Figure 4; The utility model provides a kind of boom device, is used for engineering machinery, and this boom device comprises hinged successively more piece jib; Turntable 2 is arranged on the chassis and is positioned at the middle part of engineering machinery, and the root of first segment jib 11 and turntable 2 are hinged; Be provided with first arm support oil cylinder 3 between first segment jib 11 and the turntable 2; The pin joint of first segment jib 11 and turntable 2 is lower than the pin joint of first arm support oil cylinder 3 and turntable 2; Be that first segment jib 11 is inverted; Like this, after can driving about 90 degree of first segment jib 11 upsets under the effect of first arm support oil cylinder 3, carry out normal cloth; Under first segment jib 11 inverted situation, first segment jib 11 can extend to the afterbody or the driver's cabin direction of engineering machinery; The second joint jib 12 and first segment jib 11 are hinged and be folded to the top of first segment jib 11; Second joint jib 12 to the minor details jib all runs through the car body of engineering machinery, and promptly the driver's cabin along the length direction of engineering machinery from engineering machinery is through to its afterbody.
In the boom device of the utility model; Turntable is arranged on the middle part of engineering machinery; The first segment jib is inverted and is extended to the afterbody or the driver's cabin direction of engineering machinery, and like this, the extremely minor details jib of the second joint jib just can run through the car body of whole engineering machinery; Thereby can realize the layout of overlength jib, the expansion height that further improves whole boom device is to enlarge its cloth scope.
In the concrete scheme, as shown in Figure 3, first segment jib 11 can be inverted to tailstock direction.
In the preferred version, at least one joint jib saves hinged forming by at least two arms in the boom device, and between adjacent two arms joint, is hinged with telescopic oil cylinder, two energy-conservation enough rotations each other of arm under the effect of telescopic oil cylinder.It is above the saving than galianconism by the telescopic oil cylinder driving of two joints that the jib that single-unit is long blocks; The galianconism joint is convenient in the jib manufacturing process, carry out processing and fabricating, transportation, dismounting, assembly manipulation; And in the cloth process with respect to single-unit overlength jib; More piece galianconism joint can increase the flexibility of jib cloth, enlarges the cloth scope of boom device.On the other hand; Can also at least one joint jib in the jib dress be arranged at least two dismantled and assembled being formed by connecting of arm joint; In this mode; Can not have relative motion between adjacent two arms joint, equally can be in the jib manufacturing process so that the processing and fabricating of overlength jib, transportation, dismounting, assembly manipulation.
Need to prove that at least one joint jib saves hinged forming by at least two arms, and between adjacent two arms joint, be hinged with telescopic oil cylinder, under the effect of telescopic oil cylinder, can drive adjacent two arms joint and rotate.When the more piece jib was the overlength jib of crossing over whole locomotive body, this can reduce the cloth flexibility of boom device, and through above-mentioned set-up mode, at least one joint jib is hinged by at least two arm joints, can improve its cloth flexibility to a certain extent.
In the preferred version; Telescopic oil cylinder can be contained in the arm joint, and when jib was in folded state in this scheme, telescopic oil cylinder can not take the jib arrangement space; Can avoid the interference of jib in course of action, and telescopic oil cylinder can not influence the installation and the layout of carrier pipe.Certainly, telescopic oil cylinder also is not limited to and is contained in the arm joint, and it is outside to be positioned at the arm joint.
In the concrete scheme; As shown in Figure 3; First segment jib 11 can comprise the first arm joint 111 and second arm joint 112, and the first arm joint 111 and second arm saves 112 hinged forming, and between the first arm joint 111 and second arm joint 112, is hinged with telescopic oil cylinder 113; Under the effect of telescopic oil cylinder 113, two energy-conservation enough rotations each other of arm.In the preferred scheme, telescopic oil cylinder 113 is contained in the first arm joint 111 and/or second arm saves in 112.
In the concrete scheme, as shown in Figure 4, the second joint jib 12 can comprise that the 3rd arm saves the 121 and the 4th arm joint 122, the three arms joint the 121 and the 4th arm and saves 122 hinged forming, and telescopic oil cylinder is set to drive two arm joint realization rotation action between two arms joints.
In the concrete scheme; Boom device comprises four hinged successively joint jibs at least, and wherein, the 3rd joint jib 13 is the bending jib; The 3rd joint jib 13 comprises first straight arm section, the section of turning round and second straight arm section; First straight arm section and the second joint jib 12 are hinged and be folded to the below of the second joint jib 12, and the section of turning round preferably is arranged on the position at turntable 2 places, and the 4th to save jib 14 and second straight arm section hinged and be folded to the top of second straight arm section.When boom device 1 folded, first straight arm section and second jib 12 occupied same row arrangement space, and second straight arm section and the 4th jib 14 occupy another row arrangement space, and the section of turning round is arranged between the two row arrangement space.This jib arrangement, a whole set of boom device 1 compact conformation has made full use of second and has saved the arrangement space that jib 12 belows are positioned at turntable 2 front ends, and its space utilization is reasonable.
In preferred version, the 3rd joint jib 13 can be realized connecting through dismantled and assembled mode by two arm joints.Like Fig. 8, shown in Figure 9, Fig. 8 is the structural representation of the 3rd joint jib 13 dismantled and assembled connections, and Fig. 9 is the enlarged drawing at A place among Fig. 8.With reference to accompanying drawing, the 3rd joint jib 13 comprises dismantled and assembled connection between the 5th arm joint the 131 and the 6th arm joint 132, the five arms joint the 131 and the 6th arm joint 132, and the dismantled and assembled link position of two arm joints is located on second straight arm section.Concrete; Between on the 5th arm joint the 131 and the 6th arm joint 132, connect through bearing pin 133; On two arm joints, junction plate 134 is set then; And respectively junction plate 134 is fixed on the 5th arm joint the 131 and the 6th arm joint 132 through bolt 135 respectively, thereby realize the dismantled and assembled connection that two arms save.Dismantled and assembled attended operation is simple, can realize the assembling of two arms joint easily and pulls down, and two arms save processing and fabricating, transportation, dismounting, the assembly manipulation that removable connection can make things convenient for the overlength jib.
In the concrete scheme, boom device comprises hinged successively five joint jibs at least, and the 5th joint jib 15 is can be with the 4th joint jib 14 hinged and be folded to the top of the 4th joint jib 14.
Further in the scheme, the 5th joint jib 15 be the minor details jib of boom device, and promptly this boom device comprises that five save jibs.Extremely shown in Figure 7 like Fig. 3; First segment jib 11 comprises the first arm joint 111, second arm joint 112; The second joint jib 12 comprises the 3rd arm joint the 121, the 4th arm joint 122; The 3rd joint jib 13 comprises that the 5th arm joint the 131, the 6th arm joint 132, the four joint jibs 14 comprise that the 7th arm joint the 141, the 8th arm joint 142, the five joint jibs 15 comprise front end arm joint 151, middle part arm joint 152 and terminal arm joint 153.Wherein, front end arm joint 151 saves 152 dismantled and assembled being formed by connecting with the middle part arm; Middle part arm joint 152 saves 153 hinged forming with terminal arm, and between these two arm joints, is hinged with telescopic oil cylinder; Perhaps, three hinged successively forming of arm joint, and between adjacent two arms joint, be hinged with telescopic oil cylinder.
In the concrete scheme; Boom device comprises six hinged successively joint jibs at least; This boom device 1 comprises that first segment jib 11, the second joint jib the 12, the 3rd save jib 13, the 4th joint jib the 14, the 5th saves jib 15 and the 6th joint jib, and at least one joint jib comprises that being no less than two arms saves in the six joint jibs.
The utility model does not limit quantity, the arrangement of the jib of boom device 1; All turntables are positioned at the middle part of engineering machinery; The turntable of first segment jib and engineering machinery is hinged, and the first segment jib is inverted, and the second joint jib and first segment jib are hinged and be folded to the top of first segment jib; Second joint jib to the minor details jib all runs through the car body of engineering machinery all should be in the protection domain of the utility model.
In the foregoing description, first segment jib 11 is inverted to tailstock direction, and the utility model also is confined to this, and first segment jib 11 also can be inverted to the headstock direction, and like Fig. 8, shown in Figure 9, 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, and this concrete mixer has above-mentioned boom device.Because above-mentioned boom device has above-mentioned technique effect, the concrete mixer with this boom device also should have the corresponding techniques effect, no longer is described in detail at this.
Used concrete example among this paper the principle and the embodiment of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. boom device; Be used for engineering machinery, comprise hinged successively more piece jib, the turntable of first segment jib and engineering machinery is hinged; Turntable is positioned at the middle part of engineering machinery; It is characterized in that the first segment jib is inverted, the second joint jib and first segment jib are hinged and be folded to the top of first segment jib; The extremely minor details jib of the second joint jib all runs through the car body of engineering machinery.
2. boom device according to claim 1 is characterized in that, at least one joint jib is hinged with telescopic oil cylinder by at least two hinged forming of arm joint between adjacent two arms joint; Perhaps, at least one joint jib is at least two dismantled and assembled being formed by connecting of arm joint.
3. boom device according to claim 2 is characterized in that, the first segment jib saves hinged forming by two arms, and between two arms joints, is hinged with telescopic oil cylinder.
4. boom device according to claim 2; It is characterized in that; Said boom device comprises four hinged successively joint jibs at least, and wherein, the 3rd joint jib is the jib that turns round; It comprises first straight arm section, the section of turning round and second straight arm section, first straight arm section and second the joint jib hinged and be folded to second the joint jib the below; The 4th joint jib and second straight arm section is hinged and be folded to the top of second straight arm section.
5. boom device according to claim 4 is characterized in that, the 3rd joint jib is two dismantled and assembled being formed by connecting of arm joint, and the dismantled and assembled link position of two arm joints is located at second straight arm section.
6. boom device according to claim 4 is characterized in that, the second joint jib, the 3rd joint jib and the 4th joint jib include two arm joints.
7. boom device according to claim 4 is characterized in that, said boom device comprises hinged successively five joint jibs at least, the 5th joint jib with the 4th joint jib hinged and be folded to the 4th save jib the top.
8. boom device according to claim 7 is characterized in that, the 5th joint jib is minor details jib, and the 5th joint jib comprises three arms joints: front end arm joint, middle part arm joint and terminal arm save;
Front end arm joint and dismantled and assembled being formed by connecting of middle part arm joint; Middle part arm joint and hinged the forming of terminal arm joint, and between these two arm joints, be hinged with telescopic oil cylinder; Perhaps, three hinged successively forming of arm joint, and between adjacent two arms joint, be hinged with telescopic oil cylinder.
9. according to each described boom device of claim 1-8, it is characterized in that the first segment jib extends to the driver's cabin of engineering machinery, perhaps the afterbody to engineering machinery extends.
10. a concrete mixer is characterized in that, comprises each described boom device of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200635754U CN202441065U (en) | 2012-02-24 | 2012-02-24 | Arm support device and concrete pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200635754U CN202441065U (en) | 2012-02-24 | 2012-02-24 | Arm support device and concrete pump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202441065U true CN202441065U (en) | 2012-09-19 |
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ID=46822519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200635754U Expired - Lifetime CN202441065U (en) | 2012-02-24 | 2012-02-24 | Arm support device and concrete pump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202441065U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102561703A (en) * | 2012-02-24 | 2012-07-11 | 三一重工股份有限公司 | Boom device and concrete pump truck |
| WO2022205646A1 (en) * | 2021-03-31 | 2022-10-06 | 三一汽车制造有限公司 | Engineering machine |
| WO2022205640A1 (en) * | 2021-03-31 | 2022-10-06 | 三一汽车制造有限公司 | Engineering machine |
-
2012
- 2012-02-24 CN CN2012200635754U patent/CN202441065U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102561703A (en) * | 2012-02-24 | 2012-07-11 | 三一重工股份有限公司 | Boom device and concrete pump truck |
| WO2013123793A1 (en) * | 2012-02-24 | 2013-08-29 | 湖南三一智能控制设备有限公司 | Boom device 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 |
| WO2022205646A1 (en) * | 2021-03-31 | 2022-10-06 | 三一汽车制造有限公司 | Engineering machine |
| WO2022205640A1 (en) * | 2021-03-31 | 2022-10-06 | 三一汽车制造有限公司 | Engineering machine |
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Legal Events
| Date | Code | Title | Description |
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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: 20120919 |