Summary of the invention
Technical problem to be solved by this invention is: for the deficiencies in the prior art, a kind of gearratio that can change easily between initiative driver and passive drive is provided, realize the step-less adjustment of grain header fan delivery, thereby can meet the grain header blower fan wind speed adjusting device of Different Crop to drum rotation speed demand.
Solve above-described technical problem, the technical scheme that the present invention takes is:
The present invention is a kind of grain header blower fan wind speed adjusting device, comprise initiative driver, passive drive, described initiative driver is connected with engine, passive drive is connected with grain header blower fan, initiative driver comprises driving disc spacing pressing I, clutch plate I, screw mandrel, clutch plate I is connected with driving wheel, driving disc spacing pressing I is connected with clutch plate I, driving disc spacing pressing I is sleeved on screw mandrel simultaneously, the structure that is set to be in the shape of the letter V between the clutch plate inwall I of the driving disc spacing pressing inwall I of driving disc spacing pressing I and clutch plate I, described initiative driver connects by being connected belt with passive drive.
The present invention also provides a kind of grain header, comprises above-mentioned wind speed adjusting device.
Adopt technical scheme of the present invention, can obtain following beneficial effect:
Grain header blower fan wind speed adjusting device of the present invention, initiative driver connects by being connected belt with passive drive, regulate the flexible of screw mandrel by regulating handle, thereby can regulate the distance between driving disc spacing pressing I and clutch plate I, and due to the structure that is set to be in the shape of the letter V between the driving disc spacing pressing inwall I of driving disc spacing pressing I and the clutch plate inwall I of clutch plate I, like this, in the time that the distance between driving disc spacing pressing I and clutch plate I changes, diameter between initiative driver and passive drive changes, thereby change gearratio, realize the step-less adjustment of grain header fan delivery, realize so within the specific limits the object of adjusting rotation speed of fan, thereby meet corn, soybean, wheat, the demand of the Different Crop such as paddy rice to drum rotation speed, realize grain header cleaning and sorting system to Different Crop adaptability, improve the adaptability of grain header.
Accompanying drawing explanation
Mark in the each accompanying drawing of this specification expressed content and figure is made to brief description below:
Fig. 1 is the structural representation of grain header blower fan wind speed adjusting device of the present invention while being connected with engine and grain header blower fan respectively;
Fig. 2 is the sectional structure schematic diagram of the initiative driver of grain header blower fan wind speed adjusting device of the present invention;
Fig. 3 is the sectional structure schematic diagram of the passive drive of grain header blower fan wind speed adjusting device of the present invention;
In accompanying drawing, be labeled as: 1, initiative driver; 2, passive drive; 3, engine; 4, grain header blower fan; 5, driving disc spacing pressing I; 6, clutch plate I; 7, screw mandrel; 8, driving wheel; 9, driving disc spacing pressing inwall I; 10, clutch plate inwall I; 11, drive belt; 12, driving wheel body; 13, alignment pin I; 14, clutch plate body I; 15, driving disc spacing pressing II; 16, clutch plate II; 17, driving disc spacing pressing body II; 18, fan shaft; 19, clutch plate body II; 20, baffle portion; 21, helical spring; 22, driving disc spacing pressing inwall II; 23, clutch plate inwall II; 24, friction plate; 25, driving disc spacing pressing body I; 26, regulating handle; 27, bearing I; 28, bearing II; 29, spacing collar; 30, fixed disk; 31, backstay; 32, connect belt.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is described in further detail as effect and the operation principle etc. of the mutual alignment between the shape of related each member, structure, each several part and annexation, each several part:
As shown in accompanying drawing 1-accompanying drawing 3, the present invention is a kind of grain header blower fan wind speed adjusting device, comprise initiative driver 1, passive drive 2, described initiative driver 1 is connected with engine 3, passive drive 2 is connected with grain header blower fan 4, initiative driver 1 comprises driving disc spacing pressing I 5, clutch plate I 6, screw mandrel 7, clutch plate I 6 is connected with driving wheel 8, driving disc spacing pressing I 5 is connected with clutch plate I 6, driving disc spacing pressing I 5 is sleeved on screw mandrel 7 simultaneously, the structure that is set to be in the shape of the letter V between the driving disc spacing pressing inwall I 9 of driving disc spacing pressing I 5 and the clutch plate inwall I 10 of clutch plate I 6, initiative driver 1 connects by being connected belt 32 with passive drive 2.Adopt structure of the present invention, initiative driver connects by being connected belt with passive drive, regulate the flexible of screw mandrel by regulating handle, can regulate the distance between driving disc spacing pressing I and clutch plate I, and due to the structure that is set to be in the shape of the letter V between the driving disc spacing pressing inwall I of driving disc spacing pressing I and the clutch plate inwall I of clutch plate I, like this, in the time that the distance between driving disc spacing pressing I and clutch plate I changes, diameter between initiative driver and passive drive changes, thereby change gearratio, realized the step-less adjustment of grain header fan delivery.
Described driving wheel 8 is by driving belt 11 to be connected with engine 3, driving wheel 8 and clutch plate I 6 are sleeved on the driving wheel body 12 of tubulose, and driving wheel 8, driving disc spacing pressing I 5 and clutch plate I 6 are by connecting through the alignment pin I 13 of driving wheel 8, driving disc spacing pressing I 5 and clutch plate I 6.
In grain header blower fan air rate adjustment dress of the present invention, the driving disc spacing pressing I 5 of initiative driver 1 and clutch plate I 6 are installed on driving wheel body 12, initiative driver 1 also comprise fixed disk and regulating handle, can drive the positive and negative rotation of screw mandrel by regulating handle 26, realize the adjusting of the distance between driving disc spacing pressing I 5 and clutch plate I 6, in the time that regulating handle 26 turns clockwise, driving disc spacing pressing I 5 is inwardly moved, between driving disc spacing pressing I 5 and driven disc I 6, distance reduces, when regulating handle 26 turns counterclockwise, driving disc spacing pressing I 5 is outwards moved, between driving disc spacing pressing I 5 and driven disc I 6, distance increases, realizing initiative driver 1 diameter changes.
Described clutch plate I 5 comprises the clutch plate body I 14 of tubulose, clutch plate I 5 is sleeved on screw mandrel 7 by clutch plate body I 14, screw mandrel 7 one end are flexibly connected with the silk tooth in driving wheel body 12, and screw mandrel 7 other ends are set to extend the structure of clutch plate body I 14.
Described passive drive 2 comprises driving disc spacing pressing II 15, clutch plate II 16, driving disc spacing pressing II 15 is passed through driving disc spacing pressing body II 17 movable sets on fan shaft 18, clutch plate II 16 is fixedly set on fan shaft 18 by clutch plate body II 19, near on the fan shaft 18 of driving disc spacing pressing II 15 1 sides, baffle portion 20 is set, between baffle portion 20 and driving disc spacing pressing II 15, helical spring 21 is set, helical spring 21 is set to driving disc spacing pressing II 15 to be pressed against the structure in clutch plate II 16.
Passive drive 2 comprises driving disc spacing pressing II 15 and clutch plate II 16, in the time that the diameter of initiative driver 1 changes, because the driving belt 11 being sleeved between initiative driver 1 and passive drive 2 is of a size of fixing, while regulating between driving disc spacing pressing I 5 and driven disc I 6 by regulating handle 26 that distance reduces, the diameter dimension of initiative driver increases, at this moment drive belt 11 application of forces on passive drive, the stressed contraction of helical spring 21 on passive drive 2, distance between driving disc spacing pressing II 15 and clutch plate II 16 increases, the diameter dimension of passive drive 2 diminishes, like this, by initiative driver 1 and passive drive 2 variation of diameter dimension separately, just change the gearratio of wind speed adjusting device, adapt to the demand of different cereal to wind speed size.
The structure that is set to be in the shape of the letter V between the driving disc spacing pressing inwall II 22 of described driving disc spacing pressing II 15 and the clutch plate inwall II 23 of clutch plate II 16, the position that described driving disc spacing pressing II 15 and clutch plate II 16 are fitted arranges respectively a friction plate 24 that can prevent friction.In the time that driving disc spacing pressing II 15 and clutch plate II 16 are fitted, friction plate 24 can play the effect that prevents from occurring between driving disc spacing pressing II 15 and clutch plate II 16 friction.
Described clutch plate body I 14 is set to be sleeved on the structure in driving disc spacing pressing body I 25, termination, one end portion that described screw mandrel 7 extends clutch plate body I 14 is provided for the regulating handle 26 of rotary screw rod 7, described driving disc spacing pressing I 5 is connected with screw mandrel 7 by bearing I 27, and described clutch plate I 6 is flexibly connected with driving wheel body 12 by bearing II 28.By regulating handle 26, can regulate rotary screw rod 7, thereby realize the increase of the distance between driving disc spacing pressing I 5 and driven disc I 6 or reduce, easy to adjust quick.
The circular spacing collar 29 of protrusion is set in described driving disc spacing pressing II 15, and described helical spring 21 is installed between driving disc spacing pressing body II 17 and spacing collar 29 near one end of driving disc spacing pressing II 15.
Described clutch plate body I 14 outer ring suit fixed disks 30, arrange the backstay 31 that can stop regulating handle 26 to rotate on described regulating handle 26.
Grain header blower fan wind speed adjusting device of the present invention, initiative driver 1 with clean transmission and be connected, accept the power that engine sends, passive drive 2 is in transmission connection with fan shaft 18.
In like manner, while regulating between driving disc spacing pressing I 5 and driven disc I 6 distance to increase by regulating handle 26, the diameter dimension of initiative driver reduces, at this moment drive belt 11 application of forces on passive drive 2, helical spring 21 on passive drive 2 sets back, distance between driving disc spacing pressing II 15 and clutch plate II 16 reduces, it is large that the diameter dimension of passive drive 2 becomes, like this by initiative driver 1 and passive drive 2 variation of diameter dimension separately, just again change the gearratio of wind speed adjusting device, adapted to the demand of different cereal.
Grain header blower fan wind speed adjusting device of the present invention, regulating handle 26 is connecting initiative driver 1, drive driving disc spacing pressing I 5 to the direction motion near clutch plate I 6 by rotation regulating handle 26, cause driving disc spacing pressing I 5 and clutch plate I 6 to coordinate, initiative driver diameter increases, outwards extruding belt of driving disc spacing pressing I 5 and clutch plate I 6, belt moves to outer rim along driving disc spacing pressing inwall 9 and clutch plate inwall I 10, and then belt pulls the driving belt 11 being sleeved on passive drive 2, belt force application makes passive drive diameter become Xiao, at this moment major diameter coordinates with minor diameter, fan shaft is accelerated, otherwise minor diameter band major diameter, slows down fan shaft.
Grain header blower fan wind speed adjusting device of the present invention, initiative driver connects by being connected belt with passive drive, regulate the flexible of screw mandrel by regulating handle, thereby can regulate the distance between driving disc spacing pressing I and clutch plate I, and due to the structure that is set to be in the shape of the letter V between the driving disc spacing pressing inwall I of driving disc spacing pressing I and the clutch plate inwall I of clutch plate I, like this, in the time that the distance between driving disc spacing pressing I and clutch plate I changes, diameter between initiative driver and passive drive changes, thereby change gearratio, realize the step-less adjustment of grain header fan delivery, realize so within the specific limits the object of adjusting rotation speed of fan, thereby meet corn, soybean, wheat, the demand of the Different Crop such as paddy rice to drum rotation speed, realize grain header cleaning and sorting system to Different Crop adaptability, improve the adaptability of grain header.
By reference to the accompanying drawings the present invention is 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.