Disclosure of Invention
The invention aims to: the dual-purpose vehicle for turning over and collecting the grains overcomes the defects of the prior art, realizes automatic turning over and collecting the grains of the sunned grains, reduces the labor intensity and improves the production efficiency; the shoveling plate can shovel the grain on the ground, so that the grain turning and the subsequent grain collection are facilitated; the air in the cavity arranged on the shovel plate is exhausted through the air nozzle, so that the grain turning effect of the grain materials is better; the air in the cavity of the shovel plate comes from the air outlet of the dust removal device, so that the utilization rate of the dust removal device is improved, the dust removal device can remove dust, grain materials are more clean after being turned over, and the air at the air outlet can improve the grain material turning effect; the material blocking curtain can ensure that the grain materials after grain overturning are laid more uniformly in the grain overturning process, and is convenient to enter a grain collecting feed inlet for grain collection in the grain collecting process; through the action of the differential device and the independent driving of the rear wheels, the vehicle body can effectively turn or collect the valley when turning; the driving wheel C is in transmission connection with the output end of the speed reducer 5 through a one-way free wheel, so that the situation that the use is influenced due to the fact that the material turning roller A and the material turning roller B work reversely when the vehicle body backs is avoided; the vehicle frame is provided with a grain collecting platform, so that the grain collecting is convenient for operators to collect grains on the vehicle; the dust outlet pipeline and the cover plate structure at the bottom of the frame are convenient for removing dust collected by the dust removal device.
The technical scheme adopted by the invention is as follows:
a grain turning and collecting dual-purpose vehicle comprises a vehicle body, wherein a vehicle frame is arranged at the rear end of the vehicle body, rear wheels are respectively connected to two sides of the vehicle frame in a rotating mode, an axle of each rear wheel is in transmission connection with a driving motor, a turning roller A, a turning roller B and a material blocking curtain are respectively arranged at the bottom of the vehicle frame and between the two rear wheels from front to back, and two ends of the turning roller A and the turning roller B are respectively in rotation connection with side vertical plates and are in transmission connection with the axle of the rear wheel in the same direction through the driving motors; the side vertical plates are fixed on two sides of the bottom of the frame and arranged along the front-back direction of the vehicle body, the material blocking curtain is positioned between the side vertical plates and fixed with the frame, and a shovel plate is further fixed at the position, corresponding to the material turning roller A, of the bottom between the side vertical plates; the grain collecting device is characterized in that a grain collecting device is further arranged on a top plate of the frame and between the turning roller B and the material blocking curtain, a cover box is fixedly arranged at the top of the frame, the grain collecting device is fixed in the cover box, and the grain collecting device and the driving motor are powered through a battery arranged on the frame.
The invention has the further improvement scheme that the turning roller A comprises two roller A units which are coaxially and rotatably connected through a differential device A, the turning roller B comprises two roller B units which are coaxially and rotatably connected through a differential device B, the roller A units and the roller B units are respectively in transmission connection with driving devices of rear wheels on the corresponding sides, a plurality of turning plates A arranged along the axis of the roller A units are uniformly arranged on the circumferential surface of the roller A units, and a plurality of turning plates B arranged along the axis of the roller B units are uniformly arranged on the circumferential surface of the roller B units.
According to a further improved scheme of the invention, an axle of the rear wheel is further rotatably connected with a driving wheel C, the roller A unit and the roller B unit are respectively and correspondingly fixed with the driving wheel A and the driving wheel B, the driving wheel A, the driving wheel B and the driving wheel C are in transmission connection through a transmission belt, an output shaft of the driving device is respectively in transmission connection with the driving wheel C and the rear wheel through a speed reducing device arranged on the axle, and the driving wheel A, the driving wheel B and the driving wheel C are all positioned between the side vertical plate and the rear wheel.
According to a further improvement of the invention, the rotation speed of the transmission wheel A and the rotation speed of the transmission wheel B are respectively greater than the rotation speed of the rear wheel.
According to a further improvement of the invention, the axles of the driving wheel C and the rear wheel are respectively in transmission connection with two output ends of the speed reducer, and the rotating speed of the driving wheel C is greater than that of the axles.
The invention has the further improvement scheme that the transmission wheel C is in transmission connection with the output end of the speed reducer through the one-way free wheel, and the speed reducer only transmits the transmission wheel C in the forward direction and rotates mutually in the reverse direction.
According to a further improvement of the invention, the rotation speed of the transmission wheel A is less than or equal to that of the transmission wheel B.
According to a further improved scheme of the invention, the material turning plate A is a strip-shaped plate, and the material turning plate B is a strip-shaped plate with comb teeth A arranged on the outer side edge.
The invention further improves the scheme that the comb teeth A of two adjacent material turning plates B of the same roller B unit are mutually staggered.
According to a further improved scheme of the invention, the number of the material turning plates A is less than or equal to that of the material turning plates B.
According to a further improvement scheme of the invention, the front end of the top of the shovel plate is along a slope surface A which inclines from front to back, the front end of the slope surface A is connected with the front edge of the bottom of the shovel plate to form a tip, the slope surface A is an arc surface which is tangent to the inner motion track of the edge of the material turning plate A, and the tangent point is located at the tail end of the slope surface A.
According to a further improved scheme of the invention, notches are formed in the bottoms of the side vertical plates and the front ends of the shovel plates, transverse vertical plates are fixed to the bottoms of the frame and the front side edges of the side vertical plates, two sides of each transverse vertical plate are fixed to the side vertical plates respectively, the bottom edges of the transverse vertical plates are located between the axis of the material turning roller and the tops of the shovel plates, and material turning inlets are formed between the lower portions of the transverse vertical plates and the side vertical plates.
According to a further improved scheme of the invention, the rear end of the shovel plate extends backwards to a position between the material turning roller B and the material blocking curtain, the top surface of the shovel plate at the position of the material turning roller B is a slope surface B which inclines downwards from front to back, the slope surface B is an arc surface tangent to the motion track of the edge of the material turning plate B, the tangent point is located right below the material turning roller B, and an interface clamping groove is further formed in the end surface of the rear end of the shovel plate.
According to a further improved scheme of the invention, the material blocking curtain bypasses the adjusting rotating shaft from the upper part, the part of the material blocking curtain, which is positioned at the top of the adjusting rotating shaft, is clamped and fixed with the top plate of the frame, the adjusting rotating shaft is rotatably connected to the frame and is fixed with the frame through the locking device, comb teeth B are arranged at the edge of one end, which is positioned at the rear side of the adjusting rotating shaft, of the material blocking curtain, and a connecting block matched with the interface clamping groove is arranged at the edge of one end, which is positioned at the front side of.
According to a further improvement scheme of the invention, the length of the material blocking curtain is larger than the distance between the interface clamping groove and the adjusting rotating shaft.
According to a further improved scheme of the invention, the drooping length of the material blocking curtain is more than or equal to the height of the frame.
In a further improvement scheme of the invention, one end of the adjusting rotating shaft extends out of the frame and is fixed with a rotating hand wheel.
According to a further improved scheme of the invention, the grain collecting device comprises a grain collecting fan electrically connected with the battery, an air inlet end of the grain collecting fan is communicated with a grain collecting feed inlet, an air outlet end of the grain collecting fan is communicated with a grain collecting discharge pipe, the grain collecting feed inlet runs through a top plate of the frame downwards and is positioned between the turning roller B and the material blocking curtain, and the grain collecting discharge pipe penetrates through the cover box and extends outwards.
In a further improvement of the invention, a grain collecting platform is arranged on one side of the vehicle frame corresponding to the grain collecting discharge pipe in an extending mode.
According to a further improvement scheme of the invention, the grain collecting and discharging pipe penetrates through the cover box from the rear end and extends outwards, and the grain collecting platform is arranged on the frame corresponding to the rear end of the cover box.
According to a further improvement of the invention, the lower edge of the grain collecting feed port is lower than the axis of the adjusting rotating shaft.
According to a further improved scheme of the invention, the connecting position of the baffle C and the frame is positioned at the lower edge of the front side of the grain collecting feed inlet.
According to a further improvement scheme of the invention, when the connecting block of the material blocking curtain is fixedly connected with the interface clamping groove, the edge of one side of the grain collecting feed port facing the material blocking curtain is attached to the material blocking curtain.
According to a further improved scheme of the invention, a baffle C is fixed at the bottom of the frame and between the side vertical plates and at a position corresponding to the position between the material turning roller B and the grain collecting feed inlet, the lower end of the baffle C is lower than the axis of the material turning roller B, the lower end of the baffle C and one side, facing the material turning roller B, of the baffle C are cambered surfaces tangent to the motion track of the material turning plate B, and the tangent point is the bottom end of the baffle C.
According to a further improved scheme of the invention, a dust collection device is further arranged in the cover box, the dust collection device comprises a dust collection fan electrically connected with the battery, a dust collection air inlet is communicated with an air inlet end of the dust collection fan, a cyclone dust collection device is communicated with an air outlet end of the dust collection fan, the cyclone dust collection device respectively comprises an air box, an ash falling box and an ash deposition box from top to bottom, the air box is communicated with the dust collection fan, an ash discharge pipeline is communicated with the bottom of the ash deposition box, the ash discharge pipeline is fixed at the bottom of the frame and is provided with a cover plate, and an air outlet of the air box penetrates through the cover box and extends outwards.
In a further improved scheme of the invention, a grain material filter screen layer is also arranged in the dust absorption air inlet.
According to a further improved scheme of the invention, a cavity is arranged at a position, corresponding to the position between the material turning roller A and the material turning roller B, of the shovel plate, one side of the cavity is communicated with an air outlet of the air box through an air pipe, an air nozzle is arranged at the top of the cavity, and the air outlet direction of the air nozzle is upward and points to a dust suction air inlet.
According to a further improvement of the invention, the tuyere of the cavity is positioned at the end of the slope surface A.
According to a further improved scheme of the invention, a baffle A is arranged at the bottom of the frame and between the material turning roller A and the dust suction air inlet, a baffle B is arranged between the material turning roller B and the dust suction air inlet, and the baffle B and the baffle C are symmetrical by taking a vertical plane where the axis of the material turning roller B is located as a symmetrical plane.
According to a further improved scheme of the invention, the lower edge of the front side of the dust suction air inlet is positioned at the joint of the baffle A and the frame, and the lower edge of the rear side of the dust suction air inlet is positioned at the joint of the baffle B and the frame.
According to a further improvement scheme of the invention, the baffle A is tangent to the motion track of the edge of the material turning plate A, and the tangent point is positioned at the bottom end of the baffle A.
In a further development of the invention, the battery is fixed to the bottom of the seat of the frame.
According to a further improved scheme of the invention, the ash outlet pipeline penetrates out of the transverse vertical plate forwards, and a cover plate of the ash outlet pipeline is arranged on the front end surface of the derailing pipeline.
The invention has the beneficial effects that:
firstly, the dual-purpose vehicle for turning over and collecting the grains realizes automatic turning over and collecting the grains of the sunned grains, reduces the labor intensity and improves the production efficiency.
Secondly, the dual-purpose vehicle for turning and collecting the grains can scoop the grains on the ground through the action of the scoop plate, so that the grains can be turned and collected subsequently.
Thirdly, according to the dual-purpose vehicle for grain turning and harvesting, air in the cavity arranged on the shovel plate is exhausted through the air nozzle, so that the grain turning effect of grain materials is better.
Fourthly, according to the grain turning and collecting dual-purpose vehicle, the air in the cavity of the shovel plate comes from the air outlet of the dust removal device, so that the utilization rate of the dust removal device is improved, the dust removal device can remove dust, grain materials are turned more cleanly, and the air at the air outlet can improve the grain turning effect.
Fifthly, the grain turning and collecting dual-purpose vehicle has the advantages that the material blocking curtain can be used for uniformly laying the turned grains in the grain turning process, and the grains can conveniently enter the grain collecting feed inlet to be collected in the grain collecting process.
Sixth, the grain turning and collecting dual-purpose vehicle provided by the invention ensures that the vehicle body can effectively turn grains or collect grains when turning through the action of the differential device and the independent drive of the rear wheels.
Seventhly, according to the dual-purpose vehicle for grain turning and grain collecting, the driving wheel C is in transmission connection with the output end of the speed reducer 5 through the one-way free wheel, so that the situation that the use is influenced due to the fact that the material turning roller A and the material turning roller B work reversely when the vehicle body backs is avoided.
Eighth, the grain turning and collecting dual-purpose vehicle is provided with the grain collecting platform on the vehicle frame, so that an operator can collect grains conveniently on the vehicle.
Ninth, the invention provides a grain turning and collecting dual-purpose vehicle, the dust outlet pipeline and the cover plate structure at the bottom of the vehicle frame are convenient for removing the dust collected by the dust removing device.
The specific implementation mode is as follows:
as can be seen from fig. 1 to 3, the material turning device comprises a vehicle body 1, wherein a vehicle frame 2 is arranged at the rear end of the vehicle body 1, rear wheels 3 are respectively rotatably connected to two sides of the vehicle frame 2, an axle 4 of each rear wheel 3 is in transmission connection with a driving motor, a material turning roller A8, a material turning roller B9 and a material blocking curtain 19 are respectively arranged at the bottom of the vehicle frame 2 and between the two rear wheels 3 from front to back, and two ends of the material turning roller A8 and the material turning roller B9 are respectively in rotation connection with side vertical plates 13 and are in transmission connection with the axle 4 of each rear wheel 3 in the same direction through the driving motor; the side vertical plates 13 are fixed on two sides of the bottom of the frame 2 and arranged along the front-back direction of the vehicle body 1, the material blocking curtain 19 is positioned between the side vertical plates 13 and fixed with the frame 2, and a shovel plate 15 is also fixed at the position of the bottom between the side vertical plates 13 and corresponding to the material turning roller A8; a grain collecting device is further arranged on a top plate of the frame 2 and between the material turning roller B9 and the material blocking curtain 19, a cover box 22 is fixedly arranged at the top of the frame 2, the grain collecting device is fixed in the cover box 22, and the grain collecting device and the driving motor are powered through a battery 41 arranged on the frame 2.
The stirring roller A8 includes two roller A units of connecting through the coaxial rotation of differential gear A, and stirring roller B9 includes two roller B units of connecting through the coaxial rotation of differential gear B23, roller A unit and roller B unit are connected with the drive arrangement transmission of the rear wheel 3 of corresponding side respectively, the circumferential surface of roller A unit evenly is equipped with a plurality of stirring boards A6 of setting along roller A unit axis, the circumferential surface of roller B unit evenly is equipped with a plurality of stirring boards B7 of setting along roller B unit axis.
The axle 4 of the rear wheel 3 is also rotatably connected with a driving wheel C, the roller A unit and the roller B unit are respectively and correspondingly fixed with a driving wheel A10 and a driving wheel B, the driving wheel A10, the driving wheel B and the driving wheel C are in transmission connection through a driving belt 11, an output shaft of the driving device is respectively in transmission connection with the driving wheel C and the rear wheel 3 through a speed reduction device 5 arranged on the axle 4, and the driving wheel A10, the driving wheel B and the driving wheel C are all located between the side vertical plate 13 and the rear wheel 3.
The rotating speed of the driving wheel A10 and the rotating speed of the driving wheel B are respectively greater than the rotating speed of the rear wheel 3.
And the driving wheel C and the axle 4 of the rear wheel 3 are respectively in transmission connection with two output ends of the speed reducer 5, and the rotating speed of the driving wheel C is greater than that of the axle 4.
The transmission wheel C is in transmission connection with the output end of the speed reducer 5 through a one-way free wheel, and the speed reducer 5 only transmits the transmission wheel C in the forward direction and rotates in the reverse direction.
The rotating speed of the driving wheel A10 is less than or equal to that of the driving wheel B.
The material turning plate A6 is a strip-shaped plate, and the material turning plate B7 is a strip-shaped plate with comb teeth A at the outer side edge.
The comb teeth A of two adjacent material turning plates B7 of the same roller B unit are mutually staggered.
The quantity of the material turning plates A6 is less than or equal to that of the material turning plates B7.
The front end at the top of the shovel plate 15 is along a slope surface A which inclines from front to back, the front end of the slope surface A is connected with the front edge of the bottom of the shovel plate 15 to form a tip, the slope surface A is a cambered surface which is tangent to the motion track of the edge of the material turning plate A6, and the tangent point is located at the tail end of the slope surface A.
A notch 14 is formed in the bottom of the side vertical plate 13 and in the front end of the shovel plate 15, a transverse vertical plate 17 is fixed to the bottom of the frame 2 and in the front side edge of the side vertical plate 13, two sides of the transverse vertical plate 17 are fixed to the side vertical plate 13 respectively, the bottom edge of the transverse vertical plate 13 is located between the axis of the material turning roller 8 and the top of the shovel plate 15, and a material turning inlet 18 is formed between the lower portion of the transverse vertical plate 13 and the side vertical plate 13.
The rear end of the shovel plate 15 extends backwards to a position between the material turning roller B9 and the material blocking curtain 19, the top surface of the shovel plate 15 at the position of the material turning roller B9 is a slope surface B which inclines downwards from front to back, the slope surface B is an arc surface tangent to the motion track of the edge of the material turning plate B7, the tangent point is located right below the material turning roller B9, and an interface clamping groove 37 is further formed in the end surface of the rear side of the shovel plate 15.
Keep off material curtain 19 and bypass regulation pivot 20 through the top, it is fixed with the roof chucking of frame 2 to keep off material curtain 19 to be located the part at regulation pivot 20 top, adjust pivot 20 and rotate and connect in frame 2 to it is fixed with frame 2 through locking device, the one end border that keeps off material curtain 19 is located regulation pivot 20 rear side is equipped with broach B21, the one end border that keeps off material curtain 19 is located regulation pivot 20 front side is equipped with the connecting block 38 who matches with interface draw-in groove 37.
The length of the material blocking curtain 19 is larger than the distance between the interface clamping groove 37 and the adjusting rotating shaft 20.
The drooping length of the material blocking curtain 19 is more than or equal to the height of the frame 2.
One end of the adjusting rotating shaft 20 extends out of the frame 2 and is fixed with a rotating hand wheel 40.
The grain collecting device comprises a grain collecting fan 34 electrically connected with a battery 41, a grain collecting feed inlet 35 is arranged at the air inlet end of the grain collecting fan 34, a grain collecting discharge pipe 36 is arranged at the air outlet end of the grain collecting fan 34, the grain collecting feed inlet 35 penetrates through the top plate of the frame 2 downwards and is positioned between the turning roller B9 and the material blocking curtain 19, and the grain collecting discharge pipe 36 penetrates through the cover box 22 and extends outwards.
A valley collecting platform 39 extends from one side of the frame 2 corresponding to the valley collecting discharge pipe 36.
The millet collecting and discharging pipe 36 penetrates through the cover box 22 from the rear end and extends outwards, and a millet collecting platform 39 is arranged at the rear end of the frame 2 corresponding to the cover box 22.
The lower edge of the grain collecting feed port 35 is lower than the axis of the adjusting rotating shaft 20.
The connecting position of the baffle C and the frame 2 is positioned at the lower edge of the front side of the valley collecting feed port 35.
When the connecting block of the material blocking curtain 19 is fixedly connected with the interface clamping groove 37, the edge of the grain collecting feed port 35 facing to one side of the material blocking curtain 19 is attached to the material blocking curtain 19.
A baffle C is fixed at the bottom of the frame 2, between the side vertical plates 13 and corresponding to the position between the material turning roller B9 and the grain collecting feed inlet 35, the lower end of the baffle C is lower than the axis of the material turning roller B9, the lower end of the baffle C and one side of the baffle C facing the material turning roller B9 are cambered surfaces tangent to the motion track of the material turning plate B7, and the tangent point is the bottom end of the baffle C.
Still be equipped with dust extraction in the cover case 22, dust extraction includes the dust absorption fan 24 of being connected with battery 41 electricity, the air inlet end intercommunication of dust absorption fan 24 is equipped with dust absorption air intake 25, the air-out end intercommunication of dust absorption fan 24 is equipped with cyclone dust collector, cyclone dust collector includes bellows 26, ash falling box 27 and deposition case 28 with dust absorption fan 24 intercommunication from top to bottom respectively, the bottom intercommunication of deposition case 28 is equipped with out grey pipeline 29, it is fixed in the bottom of frame 2 and is equipped with the apron to go out grey pipeline 29, the air outlet 30 of bellows 26 passes cover case 22, outwards stretches out.
And a grain material filter screen layer is also arranged in the dust absorption air inlet 25.
The shovel board 15 is equipped with cavity 16 corresponding to the position department between stirring roller A8 and the stirring roller B9, one side of cavity 16 is passed through tuber pipe 31 and is communicated with the air outlet 30 of bellows 26, the top of cavity 16 is equipped with the tuyere, the air-out direction of tuyere makes progress, directional dust absorption air intake 25.
The air nozzle of the cavity 16 is positioned at the tail end of the sloping surface A.
A baffle A32 is arranged at the bottom of the frame 2 and between the material turning roller A8 and the dust suction air inlet 25, a baffle B33 is arranged between the material turning roller B9 and the dust suction air inlet 25, and the baffle B33 and the baffle C are symmetrical by taking a vertical plane where the axis of the material turning roller B9 is located as a symmetrical plane.
The lower edge of the front side of the dust suction air inlet 25 is located at the connection position of the baffle A32 and the frame 2, and the lower edge of the rear side of the dust suction air inlet 25 is located at the connection position of the baffle B33 and the frame 2.
The baffle A32 is tangent to the motion track of the edge of the material turning plate A6, and the tangent point is positioned at the bottom end of the baffle A32.
The battery 41 is fixed to the bottom of the seat 12 of the frame 2.
The ash outlet pipe 29 extends forwards through the transverse plate 17, and a cover plate of the ash outlet pipe 29 is arranged on the front end surface of the rail outlet pipe 29.
When the corn husking machine needs to turn the corn, firstly, the locking device of the adjusting rotating shaft 20 is loosened, then the adjusting rotating shaft 20 is rotated by rotating the hand wheel 40, the material blocking curtain 19 is driven to move backwards through the adjusting rotating shaft 20 until the comb teeth B21 at one end of the rear side of the adjusting rotating shaft 20 droop until the comb teeth are contacted with the ground, and then the adjusting rotating shaft 20 is locked through the locking device.
Then, starting a driving motor and a dust collection fan 24 of each rear wheel 3; the driving motor of the rear wheel 3 also drives the material turning roller A8 and the material turning roller B9 to turn the materials respectively through the action of the driving belt 11. So that the material overturning rollers A8 and B9 overturn when the vehicle body 1 is driven forwards. When the vehicle body runs forwards, under the action of the shovel plate 15, scooping up grain materials aired on the ground, then turning up the scooped grain materials backwards and upwards under the action of the material turning plate A6 of the material turning roller A8 and the air nozzle at the top of the shovel plate 15, sucking away dust mixed in the grain materials by a dust suction device while turning up the grain materials, blocking the grain materials by a filter screen when the grain materials move to the position of the dust suction air inlet 25 under the action of the material turning plate A6, and finally uniformly dropping on the shovel plate 15 under the action of gravity; the grain materials falling on the shovel plate 15 move backwards to the position of the material turning roller B9 along with the inertia of the grain materials, the continuous advancing of the vehicle body 1 and the structure of the shovel plate 15, and turn backwards under the action of the material turning plate B7, and slightly turn backwards and upwards under the rotation of the material turning plate B7; finally, the material blocking curtain 19 is hit and transversely and uniformly falls on the ground along the material blocking curtain 19; finally, grains on the ground are uniformly separated and carded through the comb teeth B21 of the material blocking curtain 19.
When the grain collecting device needs to collect grains, the locking device of the adjusting rotating shaft 20 is firstly loosened, then the adjusting rotating shaft 20 is rotated by rotating the hand wheel 40, the material blocking curtain 19 is driven to move forwards through the adjusting rotating shaft 20 until the connecting block 38 positioned at one end of the front side of the adjusting rotating shaft 20 can extend to be connected and fixed with the interface clamping groove 37, and then the adjusting rotating shaft 20 is locked through the locking device. So that the material blocking curtain 19 forms an upward smooth surface between the tail end of the shovel plate 15 and the grain collecting feed inlet 35; and a grain collecting bag is arranged on the grain collecting platform 39 corresponding to the lower part of the grain collecting discharge pipe 36.
Then starting the driving motor, the dust collection fan 24 and the grain collection fan 34 of each rear wheel 3; the driving motor of the rear wheel 3 also drives the material turning roller A8 and the material turning roller B9 to turn the materials respectively through the action of the driving belt 11. So that the material overturning rollers A8 and B9 overturn when the vehicle body 1 is driven forwards. When the vehicle body runs forwards, under the action of the shovel plate 15, scooping up grain materials aired on the ground, then turning up the scooped grain materials backwards and upwards under the action of the material turning plate A6 of the material turning roller A8 and the air nozzle at the top of the shovel plate 15, sucking away dust mixed in the grain materials by a dust suction device while turning up the grain materials, blocking the grain materials by a filter screen when the grain materials move to the position of the dust suction air inlet 25 under the action of the material turning plate A6, and finally uniformly dropping on the shovel plate 15 under the action of gravity; the grain materials falling on the shovel plate 15 move backwards to the position of the material turning roller B9 along with the inertia of the grain materials, the continuous advancing of the vehicle body 1 and the structure of the shovel plate 15, and turn backwards under the action of the material turning plate B7, and slightly turn backwards and upwards under the rotation of the material turning plate B7; the grain-stopping material is beaten on the material-stopping curtain 19 and moves upwards along the material-stopping curtain 19 to enter the grain-collecting feed port 35 under the inertia effect and the negative pressure effect of the grain-collecting feed port 35; finally passes through a grain collecting fan 34 and a grain collecting discharge pipe 36 and is collected in a grain collecting bag on a grain collecting platform 39.
When the vehicle body 1 is turning, the rotation speed of the rear wheel 3 on the outside in the turning direction is greater than the rotation speed of the rear wheel 3 on the inside in the turning direction, and therefore the rotation speed of the roller a unit and the rotation speed of the roller B unit corresponding to the outside in the turning direction are greater than the rotation speed of the roller a unit and the rotation speed of the roller B unit on the inside in the turning direction by the differential device a and the differential device B23.
The cyclone dust collector is used for leading dust in the air sucked by the dust removing fan 24 to enter the dust accumulation box 28 along the dust falling box 27, and leading clean air to be blown out through the air outlet 30 of the air box 26, enter the cavity 16 of the shovel plate 15 and then be blown out upwards through the air nozzle; when more dust exists in the dust collection device, the vehicle body 1 is stopped, the dust collection device is closed, then the cover plate of the dust outlet pipeline 29 is opened, and the dust in the dust outlet pipeline 29 is removed into the dust removal bag.