CN102047791A

CN102047791A - Potato digger

Info

Publication number: CN102047791A
Application number: CN 201010538189
Authority: CN
Inventors: 刘永平; 吴爱梅; 蔺卡宾; 张建弘; 宋维红
Original assignee: Lanzhou University of Technology
Current assignee: Lanzhou University of Technology
Priority date: 2010-11-10
Filing date: 2010-11-10
Publication date: 2011-05-11

Abstract

Potato excavator, the transmission chain (5) is installed on the driving transmission sprocket (52) and the driven transmission sprocket (7), and the driven transmission sprocket (7) and the pulley (9) are installed on the driven transmission shaft ( 8), the sliding rod (4) is inclined to transition from the fixed shaft (2) to the conveyor chain (5); the driving rod (11) and the pulley (61) are coaxially installed on the driving rod shaft (12), and the driving roller Driving roll (48) and belt pulley (49) are installed on (50); Below tailgate (56), driven roll (44) and belt pulley (45) are installed on driven roll shaft (46), The large bridge pulley (59) and the small bridge pulley (60) are coaxially installed on the driving hoist wheel shaft (42); the driven sprocket (40) is installed on the differential driven shaft (41), and the pulley (22) The belt pulley (20) is driven by the belt (21) on the middle and upper part of the inner side of the lifting chain (57). The conveyor belt (28) is installed in the direction perpendicular to the lifting chain (57), and the inner side of the wheel (32) is coaxially installed. gear (34).

Description

The potato excavator

Technical field

This invention relates to a kind of agricultural harvesting equipment.

Background technology

The front end of potato excavator (Chinese patent application 200720101668.0) is provided with scraper bowl, the rear end of frame is provided with road wheel, the middle part of frame is provided with separates wheel, the axle head that separates wheel is fixed with drive, be provided with filter screen in the middle of separating wheel, pass filter screen and be fixed with at least one separate mesh, the position at the afterbody place of scraper bowl is not less than the end of separate mesh to the distance of separating the wheel center of circle, and the end of separate mesh is hook-shaped.

The weak point of this technology is that separating effect is undesirable, and it is lower to transmit separative efficiency.

Summary of the invention

The objective of the invention is to improve the potato mining efficiency.

The present invention is the potato excavator, plough 1 in the forefront of complete machine is installed on the fixed axis 2, strut 3 is welded between slide bar 4 and the fixed axis 2, conveyer chain 5 is installed in and initiatively transmits on sprocket wheel 52 and the driven transmission sprocket wheel 7, wherein initiatively transmit sprocket wheel 52 and first belt wheel, 53 coaxial being installed on the active transmission shaft 54, the driven transmission sprocket wheel 7 and second belt wheel 9 are installed on the driven transmission shaft 8, active transmission shaft 54 is parallel to driven transmission shaft 8, be in fixed axis 2 rears, slide bar 4 from fixed axis 2 to conveyer chain 5 angled transition.

Driving lever 11 and the 3rd belt wheel 61 coaxial being installed on the shift lever axis 12 are in driven transmission sprocket wheel 7 rears, are installed with front apron 55 and backboard 56 under it, below front apron 55, initiatively roll 48 and four-tape wheel 49 are installed on the roll mandrel 50 initiatively; Below backboard 56, idle roll 44 and the 5th belt wheel 45 are installed on the idle roll axle 46, wherein second belt wheel 9 drives four-tape wheel 49 by first belt 10, the 5th belt wheel 45 drives the 3rd belt wheel 61 by second belt 47 and initiatively promotes sprocket wheel 43, tightener sprocket 25 and driven lifting sprocket wheel 30 are installed in respectively and initiatively promote wheel shaft 42, chain tensioner spindle 23 and the 6th belt wheel 22 coaxial being installed on the driven lifting wheel shaft 31, and together support elevator chain 57, wherein initiatively promote sprocket wheel 43, pass a bridge big belt wheel 59 and gap bridge small pulley 60 coaxial being installed in initiatively promote on the wheel shaft 42.

Riser 15 1 ends are fixed on elevator chain 57 both sides by interior brush axle 17, the other end is fixed on two ends on the outer brush axle 14, interior brush axle 17 and outer brush axle 14 outer race are equipped with brush 18, along brush 18 outer surfaces uniform bristle 13 be between elevator chain the same side and adjacent per two risers 15 and join with spring 16.

Differential chain 58 is parallel with elevator chain 57, be in elevator chain 57 inboards, support by differential drive sprocket 19 and differential driven sprocket 40, wherein differential drive sprocket 19 and the 7th belt wheel 20 coaxial being installed on the differential driving shaft 24, driven sprocket 40 is installed on the differential driven shaft 41, the 6th belt wheel 22 drives the 7th belt wheel 20 elevator chains 57 inboard middle and upper parts by the 3rd belt 21 conveyer belt 28 is installed on the direction perpendicular to elevator chain 57, conveyer belt 28 supports by transmitting the 8th belt wheel 28a, in conveyer belt 28 both sides conveying trough 29 is housed respectively, conveyer belt 28 lower lefts are provided with motor 39, it is axletree 33 in the back lower place of complete machine that motor 39 drives above-mentioned conveyer belt 28 by electric machine main shaft 38 and pulley assemblies 27, the axletree two ends are equipped with wheel 32, the wheel 32 inboard coaxial driving gears 34 that are installed with, driven gear 35a and nearly wheel belt pulley 36 are installed on the driven gear shaft, driven gear 35a and driving gear 34 engaged transmission, nearly wheel belt pulley 36 drives gap bridge small pulley 60 by the 4th belt 37, the big belt wheel 59 of passing a bridge drives first belt wheel 53 by the 5th belt 51, and then drive initiatively transmits sprocket wheel 52.

Separating effect of the present invention is more satisfactory, has improved the transmission separative efficiency.

Description of drawings

Fig. 1 is overall structure figure of the present invention, and Fig. 2 is the side direction view.

The present invention adopts traditional tractor-drawn, expresses for convenient, and frame and hitch frame do not draw.

Embodiment

As shown in Figure 1 and Figure 2: the present invention is the potato excavator, plough 1 in the forefront of complete machine is installed on the fixed axis 2, strut 3 is welded between slide bar 4 and the fixed axis 2, conveyer chain 5 is installed in and initiatively transmits on sprocket wheel 52 and the driven transmission sprocket wheel 7, wherein initiatively transmit sprocket wheel 52 and first belt wheel, 53 coaxial being installed on the active transmission shaft 54, the driven transmission sprocket wheel 7 and second belt wheel 9 are installed on the driven transmission shaft 8, active transmission shaft 54 is parallel to driven transmission shaft 8, be in fixed axis 2 rears, slide bar 4 from fixed axis 2 to conveyer chain 5 angled transition.

As shown in Figure 1, active transmission shaft 54 is 30 ° of angles with the axial connecting line and the horizontal line of driven transmission shaft 8.

The course of work of the present invention is: suppose that farm tractor draws this potato excavator and travels forward, then wheel 32 begins to rotate, drive driven gear 35a by the driving gear coaxial with it 34 and rotate, belt pulley 36 rotates and drive gap bridge small pulley 60 by belt 37 rotates with the big belt wheel 59 of gap bridge so closely take turns.

On the one hand, drive belt wheel 53 and initiatively drive sprocket 52 rotations by belt 51.Driven transmission sprocket wheel, belt wheel 9, belt wheel 49, active roll 48, idle roll 44, belt wheel 45, driving lever 11 rotate in succession under the conveyer chain effect.

On the other hand, initiatively promote sprocket wheel 43 and rotate, rotate with tightener sprocket 25 and the driven lifting sprocket wheel 30 common elevator chains 57 that drive, belt wheel 22 drives belt wheel 20 and rotates, and makes the differential chain rotate.

Electromotor 39 drives by pulley assemblies 27 and transmits belt wheel 28a and conveyer belt 28 rotations.Potato digs from the ground through ploughing 1, slide to conveyer chain 5 along slide bar 4, during through front apron 55 and backboard 56, coring on it, branches and leaves are dragged down by active roll 48 and idle roll 44, again through 11 groups of driving levers to elevator chain 57, enter between the brush 18, because differential chain 58 is lower with respect to elevator chain 57 rotating speeds, the slowly rotation clockwise of native land beans, under the booties such as earth on it are brushed under the effect of bristle 13, and fall into feed belt 28 after being promoted to peak gradually, be sent to synchronous carrier vehicle or directly pack.

Claims

1. Potato excavator, the plow (1) at the front of the whole machine is installed on the fixed shaft (2), and the support rod (3) is welded between the sliding rod (4) and the fixed shaft (2). It is characterized in that The transmission chain (5) is installed on the driving transmission sprocket (52) and the driven transmission sprocket (7), wherein the driving transmission sprocket (52) and the first pulley (53) are coaxially installed on the driving transmission shaft (54 ), the driven transmission sprocket (7) and the second pulley (9) are installed on the driven transmission shaft (8), the driving transmission shaft (54) is parallel to the driven transmission shaft (8), and is on the fixed axis (2) At the rear, the slide bar (4) is obliquely transitioned from the fixed shaft (2) to the conveyor chain (5);

The driving lever (11) is coaxially installed on the driving lever shaft (12) with the third pulley (61), behind the driven transmission sprocket (7), and the front baffle (55) and Tailgate (56), below the front fence (55), driving roll (48) and fourth pulley (49) are installed on the driving roller shaft (50); below the tailgate (56), driven The driven roll (44) and the fifth pulley (45) are installed on the roller shaft (46), wherein the second pulley (9) drives the fourth pulley (49) through the first belt (10), and the fifth pulley The wheel (45) drives the third pulley (61) through the second belt (47). The active hoisting sprocket (43), the tensioning sprocket (25) and the driven hoisting sprocket (30) are installed on the active hoisting wheel shaft ( 42), the tensioning sprocket shaft (23) and the sixth pulley (22) are coaxially installed on the driven hoisting wheel shaft (31), and jointly support the hoisting chain (57), wherein the active hoisting sprocket (43), the over The large bridge pulley (59) and the small bridge pulley (60) are coaxially installed on the active hoisting wheel shaft (42);

One end of the vertical plate (15) is fixed on both sides of the lifting chain (57) through the inner brush belt shaft (17), and the other end is fixed on the two ends of the outer brush belt shaft (14). The inner brush belt shaft (17) and the outer brush belt shaft (14) There is a brush belt (18) on the periphery, and the bristles (13) are evenly distributed along the outer surface of the brush belt (18). On the same side of the lifting chain and between every two adjacent vertical plates (15), a spring ( 16) Connecting;

The differential chain (58) is parallel to the hoisting chain (57), is inside the hoisting chain (57), and is supported by the differential driving sprocket (19) and the differential driven sprocket (40), wherein the differential driving sprocket ( 19) Install the seventh pulley (20) coaxially on the differential driving shaft (24), the driven sprocket (40) is installed on the differential driven shaft (41), and the sixth pulley (22) passes through The third belt (21) drives the seventh pulley (20) and the middle and upper part of the inner side of the lifting chain (57) is equipped with a conveyor belt (28) in a direction perpendicular to the lifting chain (57), and the conveyor belt (28) is driven by the eighth pulley (28a) support, conveying slots (29) are respectively installed on both sides of the conveying belt (28), and a motor (39) is arranged on the lower left side of the conveying belt (28), and the motor (39) passes through the motor main shaft (38) and the pulley assembly (27 ) to drive the above-mentioned conveyor belt (28) at the rear and lower part of the complete machine is the wheel shaft (33), the wheels (32) are installed at both ends of the wheel shaft, the driving gear (34) is coaxially installed on the inner side of the wheel (32), and the driven gear shaft A driven gear (35a) and a near-wheel pulley (36) are installed on the top, the driven gear (35a) is meshed with the driving gear (34) for transmission, and the near-wheel pulley (36) drives the bridge small belt through the fourth belt (37) Wheel (60), bridge crossing large pulley (59) drives the first pulley (53) by the fifth belt (51), and then drives the active transmission sprocket (52).

2. The potato excavator according to claim 1, characterized in that the line connecting the axis centers of the driving transmission shaft (54) and the driven transmission shaft (8) forms an included angle of 30° with the horizontal line.