CN102979309A - Concrete pump truck and arm frame thereof - Google Patents
Concrete pump truck and arm frame thereof Download PDFInfo
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- CN102979309A CN102979309A CN2012105161212A CN201210516121A CN102979309A CN 102979309 A CN102979309 A CN 102979309A CN 2012105161212 A CN2012105161212 A CN 2012105161212A CN 201210516121 A CN201210516121 A CN 201210516121A CN 102979309 A CN102979309 A CN 102979309A
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- arm joint
- hinged
- jointed shaft
- jib
- hydraulic cylinder
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Abstract
The invention discloses an arm frame which comprises a plurality of arm sections, wherein the arm sections are hinged with each other end to end, the last arm section is hinged with the penultimate arm section through a first hinged shaft, the penultimate arm section is hinged with the antepenult arm section through a second hinged shaft, and the first hinged shaft and the second hinged shaft are mutually staggered. The invention further discloses a concrete pump truck which adopts the arm frame. In the mode, the placing position of the last arm section can be changed within the range of a horizontal plane, the control precision of the arm frame is increased, the placing operation step is simplified, and when the placing position needs to be changed within a small range, the arm frame does not need to be integrally rotated, so that energy is saved.
Description
Technical field
The present invention relates to the plant equipment field, particularly relate to a kind of concrete mixer and jib thereof.
Background technology
At present, concrete mixer is widely used in various job sites.As shown in Figure 1, Fig. 1 is the structural representation of the concrete mixer of prior art, and the jib of prior art concrete mixer comprises a plurality of arm joints, and head and the tail are hinged successively for each arm joint.Head end arm joint 11 is hinged on the panoramic table 10.Be furnished with conveying pipeline on the jib, each arm joint overlapping is on the chassis when Vehicle Driving Cycle.When its work, each arm joint launches successively, terminal arm joint 12 is arranged in the appropriate location, the beginning cloth.Prior art jib operating principle is: between adjacent two arms joint, adopt hydraulic cylinder 13 to link to each other, the relative motion by between the hydraulic cylinder 13 extension and contraction control arms joint realizes the action request that launches and regain.
As shown in Figure 2, Fig. 2 is the structural representation of the terminal arm joint of prior art and penult arm joint.In the prior art, it is parallel that terminal arm joint 12 and penult arm save the jointed shaft (not shown) of the hinged place 16 that adjacent two arms with all the other of jointed shaft (not shown) of 14 hinged places 15 save, and saves 12 motions in the xz plane to realize terminal arm.But the prior art jib can only move in the xz plane, can realize height, the far and near different arbitrary position of two-dimentional xz internal plane cloth, when it need to be in three-dimensional space xyz scope during cloth, then need to control panoramic table 10, itself and jib combination are moved, even the cloth scope is very little, also need to control panoramic table 10 and jib synchronization action, can realize the three dimensions cloth.
Brought forward is described, and prior art has the following disadvantages at least:
1. the control accuracy of jib is not enough, energy-conservation not, particularly: because its groundwork of concrete mixer is that concrete conveyance is arrived in the working range of appointment, when the pumping planar range vertical with plane of rotation, only need simple jib action just can realize, but in the time of in or the spatial dimension at an angle parallel when pumping and panoramic table 10, must move with the jib combination by control panoramic table 10, can realize solid space scope cloth, because whole jib all will move during the revolution action, the revolution action will save 12 displacements to terminal arm and produce a very large impact, and because the quality of jib is larger, inertia during its revolution is inevitable very large, may turn round a very little angle, but when being reflected to arm support tail end, just will be a very large displacement, so its control accuracy is difficult to guarantee; Simultaneously, be that whole jib all moves owing to turn round when moving, because the jib quality is larger, must need than macro-energy during revolution, therefore energy-conservation not.And current, jib is to big-length future development more, and along with jib length lengthens gradually, above-mentioned harmful effect is more obvious.
2. control program is complicated: in the prior art, when the parallel or angled area of space of concrete pump truck pumping and panoramic table 10, must turn round action, and turn round the combination action that often is accompanied by jib when moving, when especially having the angle problem, the operator need to control gyration and 13 motions of each arm joint hydraulic cylinder simultaneously, control program is very complicated, is unfavorable for that the operator operates, and repeatedly adjust just and can realize accurate cloth, especially new hand is difficult to grasp.
Therefore, need to provide a kind of concrete mixer and jib thereof, to address the above problem.
Summary of the invention
The technical problem that the present invention mainly solves provides a kind of concrete mixer, can be so that terminal arm joint changes the cloth position in the horizontal plane scope, improve the control accuracy of jib, simplify the operating procedure of cloth, when among a small circle, changing the cloth position, do not need the unitary rotation jib, more energy-conservation.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of jib is provided, it comprises a plurality of arm joints that head and the tail are hinged, wherein, terminal arm joint and penult arm joint are hinged by the first jointed shaft, penult arm joint and third from the bottom arm joint are hinged by the second jointed shaft, wherein, and the first jointed shaft and the interlaced setting of the second jointed shaft.
Wherein, the first jointed shaft and the mutually vertical setting of the second jointed shaft.
Wherein, when needs changed spread material position, terminal arm saved around the first jointed shaft at the first rotation with in surface, to change the position of spread material.
Wherein, be provided with the first drag-line and the second drag-line on the first jointed shaft, the first drag-line one end is fixed on the terminal arm joint, other end winding is on the first jointed shaft, the second drag-line one end is fixed on the penult arm joint, other end winding is on the first jointed shaft, and the second drag-line and the first jointed shaft are arranged in the second plane.
Wherein, terminal arm joint is by the relative motion between the first Driven by Hydraulic Cylinder and the penult arm joint, the first hydraulic cylinder is arranged in the first plane, the cylinder body of the first hydraulic cylinder and penult arm joint are hinged, the piston rod of the first hydraulic cylinder and terminal arm joint are hinged, and the piston rod of the first hydraulic cylinder is parallel with the first jointed shaft with the jointed shaft of terminal arm joint hinged place.
Wherein, the piston rod of the first hydraulic cylinder is hinged by triangular coupling rod and straight connecting rod and terminal arm joint successively, and wherein, triangular coupling rod is hinged with penult arm joint, the piston rod of the first hydraulic cylinder, straight connecting rod respectively, one end and the triangular coupling rod of straight connecting rod are hinged, and the other end and terminal arm joint are hinged.
Wherein, the second plane is perpendicular, and the first plane is vertical with the second plane.
Wherein, to save hinged places from beginning to end hinged by the jointed shaft that be arranged in parallel with the second jointed shaft except terminal arm joint and all arms of penult arm joint.
Wherein, rear arm joint in the adjacent two arms joint of all the arm joints except terminal arm joint is by the relative motion of the second Driven by Hydraulic Cylinder and last arm joint, the two ends of the second hydraulic cylinder are hinged with adjacent two arms joint respectively, and jointed shaft and second jointed shaft of the second hydraulic cylinder and rear arm joint hinged place be arranged in parallel.
For solving the problems of the technologies described above, another technical solution used in the present invention is: a kind of concrete mixer is provided, and it comprises: conveying pipeline and jib, jib comprises a plurality of arm joints that head and the tail are hinged, conveying pipeline arranges that along jib wherein, jib is the described jib of above-mentioned any one.
The invention has the beneficial effects as follows: the situation that is different from prior art, jointed shaft vertical arrange of jib of the present invention by terminal arm joint and adjacent two arms with all the other of jointed shaft of penult arm joint are saved, can be so that terminal arm joint changes the cloth position in the horizontal plane scope, improve the control accuracy of jib, simplify the operation of cloth, when among a small circle, changing the cloth position, do not need the unitary rotation jib, more energy-conservation.
Description of drawings
Fig. 1 is the structural representation of the concrete mixer of prior art;
Fig. 2 is the structural representation of the terminal arm joint of prior art and penult arm joint;
Fig. 3 is the structural representation of concrete mixer of the present invention;
Fig. 4 is the terminal arm joint of jib of the present invention and the structural representation of penult arm joint.
The specific embodiment
The present invention will be described in detail below in conjunction with drawings and Examples.
See also Fig. 3, Fig. 3 is the structural representation of concrete mixer of the present invention.In the present embodiment, concrete mixer is preferably and comprises: car body 31, rotary motor 32, panoramic table 33, jib 34, the conveying pipeline (not shown) of laying along jib 34.
Car body 31 is mainly used in the integral position transfer of concrete mixer and the power of pumping is provided.Panoramic table 33 pivots by rotary motor 32 and is connected on the car body 31, and rotary motor 32 is used for driving panoramic table 33 rotations.Panoramic table 33 is used for unitary rotation jib 34, to change the cloth position.
Jib 34 comprises a plurality of arm joints that head and the tail are hinged.The stem of first arm joint 341 of jib 34 is articulated on the panoramic table 33, and first arm joint 341 is driven by the first hydraulic cylinder 35 and the relative motion of panoramic table 33, the cylinder body of the first hydraulic cylinder 35 is articulated on the panoramic table 33, and the piston rod of the first hydraulic cylinder 35 is articulated on first arm joint 341.In other embodiments, the first hydraulic cylinder 35 also can be that piston rod is articulated on the panoramic table 33, and cylinder body is articulated on first arm joint 341.Second arm of jib 34 saves hinged first arm of 342 heads and saves 341 afterbodys, and by that analogy, head and the tail are hinged successively for each arm joint.
See also Fig. 3 and Fig. 4, Fig. 4 is the terminal arm joint of jib of the present invention and the structural representation of penult arm joint.Present embodiment is introduced three-dimensional cartesian coordinate system xyz and x
1y
1z
1The following stated the first plane is x among Fig. 4
1y
1The plane.The following stated the second plane is xz plane among Fig. 3, also is x among Fig. 4
1z
1The plane.In the present embodiment, panoramic table 33 is preferably horizontal positioned, be that the xy plane is preferably horizontal plane, the second plane is preferably perpendicular, it should be noted that the first plane perpendicular to the second plane and terminal arm joint 343 in the first plane, therefore the first plane is by the location positioning of terminal arm joint 343, because terminal arm saves 343 positions and can change in the second plane, the first plane also can change.
In the present embodiment, rear arm joint in the adjacent two arms joint of all the arm joints except terminal arm joint 343 is by the relative motion of the second hydraulic cylinder 36 drivings with last arm joint, the cylinder body of the second hydraulic cylinder 36 and last arm joint are hinged, and the piston rod of the second hydraulic cylinder 36 and rear arm joint are hinged.In other embodiments, the second hydraulic cylinder 36 also can be that piston rod and last joint arm are hinged, and cylinder body and rear arm joint are hinged.The relatively last arm joint of rear arm joint motion by the adjacent two arms joint of the second hydraulic cylinder 36 extension and contraction control realizes the action request that launches and regain.All arm joints except terminal arm joint 343 all are arranged in the second plane with all second hydraulic cylinders 36, and the arm joint motion of the second hydraulic cylinder 36 controls is also carried out in the second plane.
Conveying pipeline arranges that along jib 34 material is pumped to jib 34 ends through conveying pipeline.When concrete mixer travelled, each arm joint overlapping was on car body 31.When concrete mixer was worked, each arm joint launched successively, terminal arm joint 343 was arranged in the appropriate location, the beginning cloth.
Further, as shown in Figure 4, terminal arm joint 343 and penult arm joint 344 are hinged by the first jointed shaft 41, penult arm joint 344 is hinged by the second jointed shaft 42 with third from the bottom arm joint (not shown), and the adjacent two arms joint in other arms joints except terminal arm joint 343 and penult arm joint is hinged by the jointed shaft (not shown) realization parallel with the second jointed shaft 42.In the present embodiment, the preferred of the first jointed shaft 41 and the second jointed shaft 42 is vertical setting, in other embodiments, also can be that the first jointed shaft 41 and the second jointed shaft 42 are crisscross arranged, but angle is near acute angle or the obtuse angle of 90 degree.By the way, when needs change spread material position among a small circle, terminal arm joint 343 around the first jointed shaft 41 at the first rotation with in surface, so that the conveying pipeline discharge end is mobile in horizontal plane, to change the position of spread material, do not move whole jib 34 and do not need panoramic table 33 to rotate.Wherein, the first jointed shaft 42 is arranged in the second plane, and the first jointed shaft 41 is perpendicular to the first plane, the second jointed shaft vertical with the second plane.
Further, terminal arm joint 343 is driven with the penult arm by the 3rd hydraulic cylinder 47 and saves 344 relative motions, and it is 344 hinged that cylinder body 471 and the penult arm of the 3rd hydraulic cylinder 47 saves, and it is 343 hinged that piston rod 472 and the terminal arm of the 3rd hydraulic cylinder 47 saves.Particularly, in the present embodiment, the piston rod 472 of the 3rd hydraulic cylinder 47 be preferably successively save by triangular coupling rod 48 and straight connecting rod 49 and terminal arm 343 hinged, piston rod 472 is hinged by the 3rd jointed shaft 43 with triangular coupling rod 48, triangular coupling rod 48 is hinged by the 4th jointed shaft 44 with penult arm joint 344, triangular coupling rod 48 is hinged by the 5th jointed shaft 45 with straight connecting rod 49, and straight connecting rod 49 passes through the 6th jointed shaft hinged 46 with terminal arm joint 343.
The 3rd jointed shaft 43, the 4th jointed shaft 44, the 5th jointed shaft 45 and the 6th jointed shaft 46 are all parallel with the first jointed shaft 41, so that the 3rd hydraulic cylinder 47 drives terminal arm joint 343 at the first rotation with in surface.Successively by the hinged mode of straight connecting rod 49 and triangular coupling rod 48, so that in the situation that panoramic table 33 is failure to actuate, terminal arm joint 343 can change the cloth position in the inherent 270 degree scopes of horizontal plane scope.
Should be understood that in other embodiments the piston rod 472 of the 3rd hydraulic cylinder 47 also can be other articulated manner.For example, piston rod 472 directly saves 343 hinged or save successively 343 hinged by curved rod and straight connecting rod 49 and terminal arm with terminal arm.
Further, as shown in Figure 4, in the present embodiment, be provided with the first drag-line 411 and the second drag-line 412 on the first jointed shaft 41, the first drag-line 411 1 ends are fixed on the terminal arm joint 343, other end winding is on the first jointed shaft 41, and the second drag-line 412 1 ends are fixed on the penult arm joint 344, and other end winding is on the first jointed shaft 41.Terminal arm joint 343 is when the first rotation with in surface changes the cloth position, and the first drag-line 411 rotates around the first jointed shaft 41 with terminal arm joint 343.The second drag-line 412 is arranged in the second plane.Because in the present embodiment, the second plane is perpendicular, be subjected to terminal arm to save 343 gravity effects, the first jointed shaft 41 can be subject to the power of larger off-axis direction, and the setting of the first drag-line 411 and the second drag-line 412 can be shared the gravity that carries with balance the first jointed shaft 41.
Jointed shaft vertical arrange of jib of the present invention by the jointed shaft of terminal arm joint and penult arm joint and all the other arms are saved, can be so that terminal arm joint changes the cloth position in the horizontal plane scope, improve the control accuracy of jib, simplify the operation of cloth, when among a small circle, changing the cloth position, do not need the unitary rotation jib, more energy-conservation.
The above only is embodiments of the present invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes manual of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. jib, described jib comprise a plurality of arms joints that head and the tail are hinged, it is characterized in that,
Terminal arm joint and penult arm joint are hinged by the first jointed shaft, and described penult arm joint and third from the bottom arm joint are hinged by the second jointed shaft, wherein, and described the first jointed shaft and the interlaced setting of described the second jointed shaft.
2. jib according to claim 1 is characterized in that, described the first jointed shaft and the mutually vertical setting of described the second jointed shaft.
3. jib according to claim 1 and 2 is characterized in that, when needs changed spread material position, described terminal arm saved around described the first jointed shaft at the first rotation with in surface, to change the position of spread material.
4. jib according to claim 3, it is characterized in that, be provided with the first drag-line and the second drag-line on described the first jointed shaft, described the first drag-line one end is fixed on the described terminal arm joint, other end winding is on described the first jointed shaft, described the second drag-line one end is fixed on the described penult arm joint, and other end winding is on described the first jointed shaft, and described the second drag-line and described the first jointed shaft are arranged in the second plane.
5. jib according to claim 4, it is characterized in that, described terminal arm joint is by the relative motion between the first Driven by Hydraulic Cylinder and the described penult arm joint, described the first hydraulic cylinder is arranged in described the first plane, the cylinder body of described the first hydraulic cylinder and described penult arm joint are hinged, the piston rod of described the first hydraulic cylinder and described terminal arm joint are hinged, and the piston rod of described the first hydraulic cylinder is parallel with described the first jointed shaft with the jointed shaft of described terminal arm joint hinged place.
6. jib according to claim 5, it is characterized in that, the piston rod of described the first hydraulic cylinder is hinged by triangular coupling rod and straight connecting rod and described terminal arm joint successively, wherein, described triangular coupling rod is hinged with described penult arm joint, the piston rod of described the first hydraulic cylinder, described straight connecting rod respectively, one end and the triangular coupling rod of described straight connecting rod are hinged, and the other end and described terminal arm joint are hinged.
7. jib according to claim 6 is characterized in that, described the second plane is perpendicular, and described the first plane is vertical with described the second plane.
8. jib according to claim 2 is characterized in that, to save hinged places from beginning to end hinged by the jointed shaft that be arranged in parallel with described the second jointed shaft except described terminal arm joint and all arms of described penult arm joint.
9. jib according to claim 8, it is characterized in that, rear arm joint in the adjacent two arms joint of all the arm joints except described terminal arm joint is by the relative motion of the second Driven by Hydraulic Cylinder and last arm joint, the two ends of described the second hydraulic cylinder are hinged with adjacent two arms joint respectively, and jointed shaft and described second jointed shaft of described the second hydraulic cylinder and rear arm joint hinged place be arranged in parallel.
10. concrete mixer, described concrete mixer comprises: conveying pipeline and jib, described jib comprise a plurality of arm joints that head and the tail are hinged, and described conveying pipeline is arranged along described jib, it is characterized in that described jib is such as the described jib of any one among the claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210516121.2A CN102979309B (en) | 2012-12-05 | 2012-12-05 | Concrete pump truck and arm frame thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210516121.2A CN102979309B (en) | 2012-12-05 | 2012-12-05 | Concrete pump truck and arm frame thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102979309A true CN102979309A (en) | 2013-03-20 |
| CN102979309B CN102979309B (en) | 2015-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210516121.2A Active CN102979309B (en) | 2012-12-05 | 2012-12-05 | Concrete pump truck and arm frame thereof |
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| Country | Link |
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| CN (1) | CN102979309B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594355A (en) * | 2015-02-02 | 2015-05-06 | 湖南五新重型装备有限公司 | Boom system for wheel type wet sprayer |
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| CN201598834U (en) * | 2009-12-16 | 2010-10-06 | 三一重工股份有限公司 | Concrete pump truck and arm support device thereof |
| CN102587668A (en) * | 2012-03-09 | 2012-07-18 | 三一重工股份有限公司 | Tensile beam, arm support and pump truck |
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| CN1932215A (en) * | 2006-09-30 | 2007-03-21 | 三一重工股份有限公司 | Method and apparatus for suppressing vibration of concrete pump vehicle cantilever crane |
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| CN101078298A (en) * | 2007-04-25 | 2007-11-28 | 董连城 | Method and device for transmitting concrete by concrete pump vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104594355A (en) * | 2015-02-02 | 2015-05-06 | 湖南五新重型装备有限公司 | Boom system for wheel type wet sprayer |
| CN104594355B (en) * | 2015-02-02 | 2016-08-24 | 湖南五新隧道智能装备股份有限公司 | A kind of boom system for wheeled wet-spraying machine |
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| Publication number | Publication date |
|---|---|
| CN102979309B (en) | 2015-03-18 |
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