A kind of arrangement of clutch of passing a bridge for maize harvesting machine
Technical field
The invention belongs to maize harvesting machine technical field, more particularly, relate to a kind of arrangement of clutch of passing a bridge for maize harvesting machine.
Background technology
In maize harvesting machine field, gap bridge is the conveying plant of material, the efficiency of the smooth and easy direct impact harvesting of its conveying, complexity due to field crops arrangement, can cause crop obstruction unavoidably, cause conveying obstacle, if cleaning will cause breaking of belt not in time, even can cause the paralysis of transmission system.Arrangement of clutch is not set on the gap bridge of existing maize harvesting machine, and this device can play the effect of clutch safety when ceding of Taiwan transmission meets with obstruction, if but crop is blocked on gap bridge still can cause potential safety hazard.
Summary of the invention
Technical problem to be solved by this invention is: for deficiency of the prior art, provide a kind of simple in structure, reliable working performance, the more important thing is can be when crop be stopped up gap bridge, can not cause damage to the transmission system of Overbridge device, the arrangement of clutch of passing a bridge for maize harvesting machine increasing the service life.
Solve above-described technical problem, the technical scheme that the present invention takes is:
The present invention is a kind of arrangement of clutch of passing a bridge for maize harvesting machine, described arrangement of clutch comprises that driven pulley, ceding of Taiwan driving pulley are fixedly connected with bell housing, bell housing (4) is sleeved on passes a bridge on upper axle, in bell housing, set gradually spring and ratchet, spring and ratchet sleeve are contained in passes a bridge on upper axle, wheel hub is fixedly set in passes a bridge on upper axle, and spring rear end portion is flexibly connected with bell housing.
Preferably, described wheel hub is arranged in bell housing, and wheel hub is arranged between ratchet and driven pulley.
Preferably, described driven pulley is flexibly connected with wheel hub by anti-friction bearing, and hub end head is connected with the upper axle of passing a bridge by bolt, and a pipe is fixedly connected with the upper axle of passing a bridge, and spring rear end is flexibly connected with bell housing bottom, and spring at front end is flexibly connected with ratchet.
Preferably, described driven pulley comprises flange and belt wheel body, and flange is flexibly connected with hub outside surface by anti-friction bearing, and flange and belt wheel body are bolted, and wheel hub is fixedly connected with the upper axle of passing a bridge by woodruff key.
Preferably, described bell housing is fixedly connected with the flange of driven pulley by a plurality of bolts.
Preferably, the structure that on described gap bridge, axle and wheel hub are set to link together, the structure that driven pulley, ceding of Taiwan driving pulley and bell housing, spring and ratchet are set to link together, when the power that gap bridge upper bearing (metal) is subject to is transshipped, wheel hub slides with respect to ratchet, and the power that engine output driving pulley applies cannot be delivered to the upper axle of passing a bridge by ratchet, wheel hub after passing to driven pulley.
Preferably, when the power that described gap bridge upper bearing (metal) is subject to is not transshipped, wheel hub and ratchet are bonded to each other, and the power that engine output driving pulley applies is delivered to by wheel hub, ratchet the upper axle of passing a bridge.
Preferably, described spring is compression spring.
Adopt technical scheme of the present invention, can obtain following beneficial effect:
Arrangement of clutch of passing a bridge for maize harvesting machine of the present invention, the structure that the upper axle of driving pulley and gap bridge and wheel hub are set to link together, the structure that driven pulley and bell housing, spring and ratchet are set to link together, bear when driven pulley power overload time, wheel hub slides with respect to ratchet, the power that driving pulley applies cannot be delivered to ratchet by pass a bridge upper axle and wheel hub, and the power that driven pulley bears is not when transship, wheel hub and ratchet are bonded to each other, and the power that driving pulley applies is delivered to ratchet by pass a bridge upper axle and wheel hub.By such structure, arrange; when driven pulley stress overloading, arrangement of clutch can play the effect of clutch safety, thereby guarantees the reliable working performance of arrangement of clutch; make to drive the driven pulley of gap bridge action and depart from driving pulley, playing overload protective function.Adopt arrangement of clutch of passing a bridge for maize harvesting machine of the present invention, can when crop is stopped up gap bridge, can not cause damage to the transmission system of Overbridge device, extend the service life of arrangement of clutch.
Accompanying drawing explanation
The expressed content of each accompanying drawing of this specification and the mark in figure are made to brief description below:
The structural representation that Fig. 1 is arrangement of clutch of passing a bridge for maize harvesting machine of the present invention when overload not;
Fig. 2 is the structural representation of the described arrangement of clutch of passing a bridge for maize harvesting machine of invention when overload;
Accompanying drawing acceptance of the bid note is respectively: 1, ceding of Taiwan driving pulley; 2, axle on gap bridge; 3, driven pulley; 4, bell housing; 5, spring; 6, ratchet; 7, wheel hub; 8, anti-friction bearing; 9, flange; 10, belt wheel body; 11, woodruff key; 12, a pipe; 13, bolt; 14, bell housing bottom surface.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is described in further detail as the effect of the mutual alignment between the shape of each related member, structure, each several part and annexation, each several part and operation principle etc.:
As shown in accompanying drawing 1, accompanying drawing 2, the present invention is a kind of arrangement of clutch of passing a bridge for maize harvesting machine, described arrangement of clutch comprises that driven pulley 3, ceding of Taiwan driving pulley 1 are fixedly connected with bell housing 4, bell housing 4 is sleeved on passes a bridge on upper axle 2, in bell housing 4, set gradually spring 5 and ratchet 6, spring 5 and ratchet 6 are sleeved on passes a bridge on upper axle 2, and wheel hub 7 is fixedly set in passes a bridge on upper axle 2, and spring 5 rearward end are flexibly connected with bell housing 4.
Preferably, described wheel hub 7 is arranged in bell housing 4, and wheel hub 7 is arranged between ratchet 6 and driven pulley 3.
Preferably, described driven pulley 3 is flexibly connected with wheel hub 7 by anti-friction bearing 8, and wheel hub 7 termination portions are connected with the upper axle 2 of passing a bridge by bolt 13, and a pipe 12 is fixedly connected with the upper axle 2 of passing a bridge, spring 5 rear ends are flexibly connected with bell housing 4 bottoms, and spring 5 front ends are flexibly connected with ratchet 6.
Preferably, described driven pulley 3 comprises flange 9 and belt wheel body 10, and flange 9 is flexibly connected with wheel hub 7 outer surfaces by anti-friction bearing 8, and flange 9 is connected by bolt 11 with belt wheel body 10, and wheel hub 7 is fixedly connected with the upper axle 2 of passing a bridge by woodruff key 11.
Preferably, described bell housing 4 is fixedly connected with the flange 9 of driven pulley 3 by a plurality of bolts.
Preferably, the structure that on gap bridge, axle 2 and wheel hub 7 are set to link together, the structure that driven pulley 3, ceding of Taiwan driving pulley 1 and bell housing 4, spring 5 and ratchet 6 are set to link together, when the power that on gap bridge, axle 2 bears is transshipped, wheel hub 7 slides with respect to ratchet 6, and the power that engine output driving pulley applies cannot be delivered to the upper axle 2 of passing a bridge by ratchet 6, wheel hub 7 after passing to driven pulley 3.
Preferably, when the power that on described gap bridge, axle 2 bears is not transshipped, wheel hub 7 is bonded to each other with ratchet 6, and the power that engine output driving pulley applies is delivered to by wheel hub 7, ratchet 6 the upper axle 2 of passing a bridge.
Preferably, described spring 5 is compression spring.
At arrangement of clutch of passing a bridge for maize harvesting machine of the present invention, while working (the upper axle 2 of passing a bridge does not transship) when passing a bridge, the power that engine delivery end driving pulley is applied on driven pulley 3 is passed through bell housing 4, spring 5, ratchet 6 successively, now wheel hub 7 is fitted with ratchet 6, the power that wheel hub 7 is subject to is passed to the upper axle 2 of passing a bridge, and realizes and drives object.When there is overload in the upper axle 2 of passing a bridge (as shown in Figure 2); now between ratchet 6 and wheel hub 7, there is relative sliding; produce certain gap; ratchet 6 does not rotate together with wheel hub 7, and wheel hub 7 above adopts woodruff key 11 to be fixedly connected with between axle 2 with gap bridge, ratchet 6 and spring; bell housing 4 links together with driven pulley 3; therefore the upper axle 6 of passing a bridge does not rotate together with driven pulley 3, thereby makes to depart between gap bridge and driven pulley 3, therefore plays the effect of overload protection.
Arrangement of clutch of passing a bridge for maize harvesting machine of the present invention, the structure that on gap bridge, axle 2 and wheel hub 7 are set to link together, the structure that driven pulley 3, ceding of Taiwan driving pulley 1 and bell housing 4, spring 5 and ratchet 6 are set to link together, when the power that on gap bridge, axle 2 bears is transshipped, wheel hub 7 slides with respect to ratchet 6, the power that engine output driving pulley applies imposes on driven pulley 3, and the power that driven pulley 3 applies cannot be delivered to the upper axle 2 of passing a bridge by ratchet 6, wheel hub 7.And the power that the upper axle 2 of passing a bridge bears is not when transship, wheel hub 7 is bonded to each other with ratchet 6, and the power that main wheel hub 7 is subject to is passed to the upper axle 2 of passing a bridge and realized and drive objects.By such structure, arrange, when on passing a bridge, axle transships, arrangement of clutch can play the effect of clutch safety, thereby guarantees the reliable working performance of arrangement of clutch, makes to drive the driven pulley and the upper axle disengaging of gap bridge of gap bridge action, plays overload protective function.Adopt arrangement of clutch of the present invention, can when crop is stopped up gap bridge, can not cause damage to the transmission system of Overbridge device, extend the service life of arrangement of clutch.
By reference to the accompanying drawings the present invention has been carried out to exemplary description above; obviously the concrete realization of the present invention is not subject to the restrictions described above; as long as the various improvement that adopted method design of the present invention and technical scheme to carry out; or without improving, design of the present invention and technical scheme are directly applied to other occasions, all in protection scope of the present invention.