Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of Rotary tillage blade that no matter can prevent in what soil property situation when rotary tillage is provided to sink or lever up, avoid sagging the causing of rotary tillage mechanism to quit work, remain the agricultural rotary tiller structure that the rotary tillage degree of depth is consistent.
Solution of the present invention is: a kind of agricultural rotary tiller structure, comprise the rotovator body be connected with driving machine, be connected to the rotary cultivator attachment that rotovator body is driven by actuating unit, be characterized in rotovator body is connected with mud guard, mud guard is the mud guard that can put down or pack up, it puts down posterior end and earth surface, packs up rear near rotovator body.
In solution of the present invention, mud guard is the mud guard that can put down or pack up, when rotary tillage mechanism carries out rotary tillage operation, put down mud guard, mud guard puts down posterior end and earth surface, mud guard can support rotary tillage mechanism, prevent rotary tillage mechanism and Rotary tillage blade from together sinking, also prevent Rotary tillage blade and sink, avoid sagging the causing of grain header rotary tillage mechanism to quit work.When rotary tillage mechanism does not carry out rotary tillage operation, pack up mud guard, make it near rotovator body, driving machine can travel in a quiescent state, reduces the resistance of motion.When carrying out rotary tillage to uneven soil, due to mud guard lower end and earth surface, be connected on rotovator body simultaneously, ensure that the Rotary tillage blade rotary tillage degree of depth is consistent all the time.Simultaneously mud guard can block the earth that Rotary tillage blade throws away when rotary tillage and disperses everywhere.
In solution of the present invention, mud guard is connected by rotating latch with rotovator body, adopt linkage to be connected simultaneously, linkage comprises master connecting-rod and from connecting rod, from connecting rod two ends respectively by follow closely from pin and stub be connected in mud guard connecting plate and master connecting-rod, master connecting-rod upper end is connected with rotovator body by pin, master connecting-rod is provided with alignment pin, alignment pin coordinates with from the lock-bit hole on connecting rod, be provided with spring at master connecting-rod with between connecting rod, connecting plate is fixed on mud guard.Mud guard is connected by rotating latch with rotovator body, no matter is put down or pack up mud guard, and mud guard all circles along rotation latch.When rotary tillage mechanism does not carry out rotary tillage operation, mud guard is packed up near rotovator body under the action of the spring, and complete machine can travel in a quiescent state.If spring tension is not enough, by bracing wire or pull bar, mud guard is packed up.When rotary tillage mechanism carries out rotary tillage operation, firmly plate moves mud guard, make from connecting rod along connecting master connecting-rod and rotating from the pin of connecting rod, to to from connecting rod and master connecting-rod in a straight line, the alignment pin of master connecting-rod is inserted into from connecting rod lock-bit hole, and at this moment mud guard circles along rotation latch and put down and earth surface.After mud guard puts down, rotary tillage operation can be carried out, in rotary tillage operation when Rotary tillage blade sink, because mud guard is connected for overall with linkage, rotovator body, mud guard, by ground supports, prevents rotovator body to sink, thus prevent Rotary tillage blade to continue to sink, ensure that normal work.Simultaneously no matter whether ground is smooth all can ensure that the rotary tillage degree of depth is consistent by ground supports for mud guard.
Pin can be made in solution of the present invention to be sliding pin, and master connecting-rod is provided with the chute coordinated with sliding pin.When its objective is in ground out-of-flatness or have certain slope, what mud guard was small moves up and down by sliding pin mobile counteracting in chute, and be no longer delivered on Rotary tillage blade, impact normally works.
When in solution of the present invention, mud guard puts down, position bottom and rotary tillage handle of a knife and Rotary tillage blade connection are at same plane.Mud guard position is downward again, then the rotary tillage degree of depth is inadequate, and rotary blade lengthens, and power consumption is large, mud guard position more upwards, then wastes power.
In solution of the present invention, mud guard lower end and ground contact surface are arc surface.Its objective is and increase mud guard and contact area of ground, ensure the supporting role of mud guard.
At least two connecting holes from pin are provided with from connecting rod in solution of the present invention.Its objective is and insert from pin in different connecting holes, make mud guard put down rear height and form difference, thus reach the adjustment rotary tillage degree of depth.
Advantage of the present invention: because the present invention is connected with mud guard on rotovator body, mud guard is the mud guard that can put down or pack up, it puts down posterior end and earth surface, pack up rear near rotovator body, so mud guard can support rotary tillage mechanism, prevent rotary tillage mechanism and Rotary tillage blade from together sinking, also prevent Rotary tillage blade and sink, avoid rotary tillage mechanism to sink to cause and quit work, also ensure that the rotary tillage degree of depth is consistent all the time when to carry out rotary tillage in uneven soil.
Embodiment
The embodiment of the present invention is as shown in the figure: agricultural rotary tiller structure in Fig. 1, comprises and driving machine
The rotovator body 1 be connected, be connected to the rotary cultivator attachment 2 that rotovator body 1 is driven by actuating unit, rotary cultivator attachment 2 comprises rotary tillage connecting rod 3, rotary tillage rotating shaft 4, is connected to the rotary tillage handle of a knife 5 in rotary tillage rotating shaft, is fixed on the Rotary tillage blade 6 on rotary tillage handle of a knife 5, rotovator body 1 is connected with mud guard 10, mud guard 10 is the mud guard that can put down or pack up, and it puts down posterior end and earth surface, packs up rear near rotovator body 1.
In Fig. 2, mud guard 10 is connected by rotating latch with rotovator body 1, adopt linkage to be connected simultaneously, linkage comprises master connecting-rod 17 and from connecting rod 18, from connecting rod 18 two ends respectively by the connecting plate 11 being connected in mud guard 10 from pin 16 and stub nail 22 and master connecting-rod 17, master connecting-rod 17 upper end is connected with rotovator body 1 by pin 20, master connecting-rod 17 is provided with alignment pin 23, alignment pin 23 coordinates with from the lock-bit hole 19 on connecting rod 18, be provided with spring 21 at master connecting-rod 17 with between connecting rod 18, connecting plate 11 is fixed on mud guard 10.Pin 20 is sliding pin, and master connecting-rod 17 is provided with the chute coordinated with sliding pin 20.At least two connecting holes 24 from pin 20 are provided with from connecting rod 18.
In Fig. 3 mud guard put down master connecting-rod 17 and from connecting rod 18 in a straight line, the alignment pin 23 of master connecting-rod 17 is inserted into from connecting rod 18 lock-bit hole 19, at this moment mud guard 10 is put down and earth surface, when mud guard 10 puts down, position bottom and rotary tillage handle of a knife 5 and Rotary tillage blade 6 connection are at same plane, and mud guard 10 lower end and ground contact surface are arc surface.