CN108966795A - Duplicate rows four shovels oscillatory type cassava digger - Google Patents

Duplicate rows four shovels oscillatory type cassava digger Download PDF

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Publication number
CN108966795A
CN108966795A CN201810990325.7A CN201810990325A CN108966795A CN 108966795 A CN108966795 A CN 108966795A CN 201810990325 A CN201810990325 A CN 201810990325A CN 108966795 A CN108966795 A CN 108966795A
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China
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component
shovel
shovels
wheel
digger
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CN201810990325.7A
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CN108966795B (en
Inventor
宋建农
徐光浩
王继承
董向前
张超
刘飞周
余雷
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China Agricultural University
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China Agricultural University
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D15/00Digging machines with sieve graters but without conveying mechanisms
    • A01D15/04Digging machines with sieve graters but without conveying mechanisms with moving or vibrating grates

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Soil Working Implements (AREA)
  • Agricultural Machines (AREA)

Abstract

The present invention relates to a kind of duplicate rows four to shovel oscillatory type cassava digger, belongs to agricultural mechanical field.It includes rack, gauge wheel component, digger blade component and dynamic vibration mechanism that the duplicate rows four, which shovels oscillatory type cassava digger,.When operation of the present invention, the small native potato good separating effect of soil amount is played, small to the injury of tapioca root, soil suitability is strong, can preferably complete the do mechanization operation of tapioca root harvest.Duplicate rows four of the invention shovels oscillatory type cassava digger and uses using gear and axis transmission, and power is big, reliable operation, and maintenance is simple and easy to do;It is excavated using oscillatory type, reduces tractive resistance, improve the effect of native potato separation;The declutcher control lever of spade rear end welding further enhances the reliability of native potato separation;By the assembling mode of the mount hole of gauge wheel front end and the lower pulling plate of offset assembly and excentric sleeve, it can be achieved that six grades of excavating depth are adjustable.

Description

Duplicate rows four shovels oscillatory type cassava digger
Technical field
The present invention relates to a kind of harvest machinery of agricultural mechanical field, specially a kind of duplicate rows four shovels oscillatory type cassava and excavates Machine.
Background technique
With the implementation of new energy policy, production primary raw material of the cassava as bio-fuel ethyl alcohol, demand must It so can be very huge.The problem of being limited by cassava mechanized harvest, China's cassava plant production development is difficult, existing harvest machinery Adaptability and operation effectiveness are all difficult to reach ideal mechanized harvest requirement.
Application number 201410099924.1 " a kind of vibration dig-pull type cassava harvester ", proposes a kind of tapioca root harvest side Method, mainly under the traction of tractor, cropper is moved forward, and digger blade, which enters in soil, breaks native potato connection, is then passed through Electrofluidic control device controls clip and clamps cassava stalk, and tapioca root is extracted in ground and is placed on the ground.This kind of cropper There are significant limitation, soil biggish for viscosity is extremely difficult to operation effectiveness;The position of cassava stalk is being grown simultaneously In the process and in harvest proceduse, all can variation in appearance position, not necessarily centering causes clamping device accurate It is clamped to cassava stalk and completes tapioca root excacation.
Application number 201020665534.3 " cassava harvester " passes through excavation portion during the traction of tractor is advanced Part plays soil, and tapioca root and soil are transported to together on the carrier chain at rear, to complete the harvesting work of tapioca root.It deposits The problem of be, when harvest operation from soil amount it is larger, time that tapioca root moves on carrier chain and apart from too long, to make High at digging operation energy consumption, the damage of tapioca root is larger, and tapioca root is also possible to be stuck on carrier chain after further influencing Continuous operation.
By being retrieved to domestic and international patent document, periodicals and magazines and other documents published (such as internet), The present invention has not been reported at home and abroad, we, which also not publicly deliver, is related to the article of the content of present invention, present invention granddad at home It is many unknown.
Summary of the invention
In view of the deficiencies in the prior art, the present invention is using four special-shaped break shovels, is welded with after each shovel point From bar, the power exported by gear-box drives break shovel vibration.With the advance of tractor when operation, four digger blades enter Soil simultaneously staggeredly vibrates (specific vibration sequence is 180 ° -0 ° -0 ° -180 °), lifts soil and tapioca root, and weld after shovel Native potato separation is completed on the declutcher control lever connect, tapioca root is tiled in rear of machine.When operation of the present invention, plays soil and measure small, native potato Good separating effect, small to the injury of tapioca root, soil suitability is strong, can preferably complete the mechanization of tapioca root harvest Operation.
To achieve the above objectives, the technical solution adopted by the present invention is that:
Duplicate rows four shovels oscillatory type cassava digger, including rack 1, gauge wheel component, digger blade component and dynamic vibration machine Structure.
Rack 1 is formed by square steel pipe welded, and two groups of trifilar suspension mountings are welded on the outside of 1 front beam of rack Plate, one group of gauge wheel wheel carrier hanging plate is welded in the middle part of front beam, and middle cross beam lower weld has four groups of digger blades shovel bars mountings Plate, the top of rack 1 are welded with oblique pull plate.
Gauge wheel component includes gauge wheel 4, wheel carrier 2, wheel shaft 10, deep groove ball bearing I and wheel end cap 9.4 both ends of gauge wheel dress There are wheel end cap 9 and deep groove ball bearing I, the deep groove ball bearing I that wheel shaft 10 passes through 4 both ends of gauge wheel is connect with the both ends of wheel carrier 2;Institute Gauge wheel component is stated to be articulated in by gauge wheel wheel carrier hanging plate in the middle part of the front beam of rack 1.
Digger blade component from left to right successively include four parts: the left side shovel component, left shovel component, the right side in shovel component and Component is shoveled on the right, and each part includes four kinds of components: shovel tip 11, spade, declutcher control lever and shovel bar.The spade lower end is equipped with shovel Sharp mounting surface, shovel tip 11 are fixedly connected by shovel tip mounting surface with spade.Declutcher control lever includes three identical 20 Hes of bottom bar Five side levers different in size, bottom bar 20 are welded on the rear end of the shovel tip mounting surface of spade lower end, and side lever is welded on each spade Rear end.Shoveling bar includes two pieces of parallel steel plates, two parallel steel tubes, two blocks of Parallel Rectangular hollow steels and two mounting blocks;Two pieces Parallel Rectangular hollow steel is fixedly connected by two parallel steel tubes with two pieces of parallel steel plates, and rectangle hollow steel front end is welded with mounting Block, rear end are fixedly connected with spade;The digger blade component is articulated in four groups of digger blades by mounting block and pin shaft respectively and shovels bar On hanging plate.
Dynamic vibration mechanism includes 25, four offset assemblies of gear-box, eight bearing block assemblies and two transmission shaft components. The front end of gear-box 25 is power input shaft, and left and right ends are two power output ends, and gear-box 25 is bolted on machine The middle part of frame 1.The transmission shaft component includes axis 3, side axis 15 and universal joint 19, the power output of described 25 one end of gear-box End is connect with one end of axis 3, and the other end of axis 3 is connect by universal joint 19 with side axis 15;On axis 3 and side axis 15 respectively One offset assembly is installed, the both ends of offset assembly are equipped with bearing block assembly, and bearing block assembly is separately fixed at the stringer of rack 1 On, offset assembly is connected with corresponding digger blade component respectively;The portion installed on the power output end of 25 left and right ends of gear-box Part is identical and symmetrical.
Gear-box 25 passes to the power at both ends by power input shaft for from the power of tractor motive power output shaft Output end drives offset assembly rotation via the transmission shaft component connecting with power output end, so drive digger blade component around Its mounting point in rack 1 is done small angle oscillation (1 ° -2 °), and the vibration starting phase angle of four groups of digger blades is 180 ° -0 ° -0° -180°。
On the basis of above scheme, the gauge wheel 4 is cylindrical shape, and both ends have hack Cone Disc, hack circle It bores and is equipped with deep groove ball bearing mounting hole in the middle part of disk, for installing deep groove ball bearing I;The 2 middle part upper end of wheel carrier is equipped with one group of extension Hole and one group of limit hole are connect, the gauge wheel mounting board ends in rack 1 are also correspondingly provided with one group of mount hole and three groups of limit holes;Limit Deep wheel assembly passes through the mount hole on mount hole and wheel carrier 2 on gauge wheel hanging plate by mounting pin shaft 5 and connect with rack 1; By the position of the limit hole on the limit hole and wheel carrier 2 on alignment gauge wheel hanging plate, limit pin shaft 6 is plugged, is able to achieve double It is adjustable that row four shovels oscillatory type cassava digger depth of implements three-level.
On the basis of above scheme, between the inner ring and wheel shaft 10 of the deep groove ball bearing I and deep groove ball bearing I 4 both ends of outer ring and gauge wheel hack Cone Disc between all be interference fit.
On the basis of above scheme, 11 front of shovel tip is provided with cutting edge, and middle part opens that there are three countersunk head screw through-holes;Shovel Thread Pilot hole corresponding with 11 countersunk head screw through-hole of shovel tip is provided on sharp mounting surface, shovel tip 11 is fixed by screws in shovel tip peace On dress face, rectangle hollow steel rear end is equipped with spade mounting hole, and spade is mounted on the rear end of rectangle hollow steel by bolt;Steel Plate is equipped with three groups of lower pulling plate mount holes, to adjust digger blade component amplitude.
On the basis of above scheme, the left side shovels component and selects side shovel bar 13 and left spade 8;Left shovel component shovels in selecting Bar 7 and right spade 14;It is shoveled in the right side in component selection and shovels bar 7 and left spade 8;The right shovels component and selects side shovel bar 13 and right spade 14;Remaining part is all identical;Left spade 8 and right spade 14 are distinguished as, left spade 8 and the bending part of right spade 14 or so Symmetrically, other sizes are identical;Length of steel pipe is shorter than length of steel pipe in the shovel bar 13 of side in middle shovel bar 7, intermediate left to reduce It shovels in component and the right side and shovels the distance between component.
It is grafting between the power output end and transmission shaft component of 25 left and right ends of gear-box on the basis of above scheme Formula connection, the i.e. power output end of transmission shaft component insertion gear-box.
On the basis of above scheme, the offset assembly include eccentric wheel 26, cylinder roller bearing 27, circlip 16, partially Spindle sleeve 18, axle sleeve lid 17 and lower pulling plate 29,26 inner ring of eccentric wheel are provided with keyway, and outer ring side is provided with circlip mounting groove, is used for Circlip 16 is installed, the boss of the circlip 16 and 27 inner ring of cylinder roller bearing plays axial limit to cylinder roller bearing 27 Position effect;The outer ring of the eccentric wheel 26 and the inner ring of cylinder roller bearing 27 are interference fitted, the outer ring of cylinder roller bearing 27 It is interference fitted with the cylinder roller bearing mounting hole inside 18 upper end of excentric sleeve.There are three axis for 18 upper end lateral surface of excentric sleeve Upper shield thread Pilot hole, axle sleeve lid 17 is fixed by axle sleeve lid thread Pilot hole and excentric sleeve 18, and 18 lower end of excentric sleeve is provided with down Pulling plate mounting groove, lower pulling plate mounting groove side are provided with two pairs of mounting through-hole;29 upper end of lower pulling plate is provided with two groups and excentric sleeve 18 The corresponding through-hole of lower end installation through-hole, the two-stage that excavating depth may be implemented are adjusted, and lower end is shovel bar mount hole, lower pulling plate 29 It is connected by the lower pulling plate mount hole on shovel bar mount hole and steel plate with corresponding digger blade component.
On the basis of above scheme, the bearing block assembly includes bearing block 12 and deep groove ball bearing 28, deep-groove ball axis 28 inner rings and transmission shaft component are held, outer ring and bearing block 12 are interference fit, and 12 rear and front end of bearing block is provided with bolt hole, It is bolted on the stringer of rack 1.
On the basis of above scheme, had on the axis 3 with 25 power output end of gear-box, eccentric wheel 26 and The corresponding installation keyway of universal joint 19, the shaft shoulder for being installed rear axis 3 are located between gear-box 25 and most inboard bearing block 12; Installation keyway corresponding with universal joint 19 and eccentric wheel 26, the shaft shoulder and deep groove ball bearing 28 of side axis 15 are had in side axis 15 Inner ring cooperation.There are keyway and limit hole in 19 left and right ends of universal joint.
On the basis of above scheme, the digger blade component makees 1 ° -2 ° by a small margin around its mounting point in rack 1 Of reciprocating vibration, vibration frequency 8Hz~10Hz, excavating depth 250mm~400mm excavate 21 ° of penetrating angle or so.
When operation of the present invention, the small native potato good separating effect of soil amount is played, small to the injury of tapioca root, soil suitability is strong, The do mechanization operation of tapioca root harvest can preferably be completed.Duplicate rows four of the invention shovels oscillatory type cassava digger and adopts It is driven with gear and axis, power is big, reliable operation, and maintenance is simple and easy to do;It is excavated using oscillatory type, reduces traction resistance Power improves the effect of native potato separation;The declutcher control lever of spade rear end welding further enhances the reliability of native potato separation;Pass through limit The mount hole and the lower pulling plate of offset assembly and the assembling mode of excentric sleeve of deep wheel front end are, it can be achieved that six grades of excavating depth can It adjusts.
Detailed description of the invention
The present invention has following attached drawing:
Fig. 1 is the schematic three dimensional views that duplicate rows four of the invention shovels oscillatory type cassava digger;
Fig. 2 is the rack schematic three dimensional views that duplicate rows four of the invention shovels oscillatory type cassava digger;
Duplicate rows four Fig. 3 of the invention shovels the gauge wheel component schematic three dimensional views of oscillatory type cassava digger;
Duplicate rows four Fig. 4 of the invention shovels the cross-sectional view of the gauge wheel component of oscillatory type cassava digger;
Component structure diagram is shoveled on the left side that duplicate rows four Fig. 5 of the invention shovels oscillatory type cassava digger;
Duplicate rows four Fig. 6 of the invention shovels the left shovel component structure diagram of oscillatory type cassava digger;
Component structure diagram is shoveled in the right side of the shovel oscillatory type cassava digger of duplicate rows four Fig. 7 of the invention;
Component structure diagram is shoveled on the right that duplicate rows four Fig. 8 of the invention shovels oscillatory type cassava digger;
Duplicate rows four Fig. 9 of the invention shovels the dynamic vibration mechanism structure schematic diagram of oscillatory type cassava digger.
Sign flag in figure are as follows: 1 rack, 2 wheel carriers, 3 axis, 4 gauge wheels, 5 mounting pin shafts, 6 limit pin shafts, shovel in 7 bar, Bar, 14 right spades, 15 side axis, 16 circlips, 17 axle sleeves are shoveled in 8 left spades, 9 wheel end caps, 10 wheel shafts, 11 shovel tips, 12 bearing blocks, 13 sides Lid, 18 excentric sleeves, 19 universal joints, 20 bottom bars, 21 side lever A, 22 side lever B, 23 side lever C, 24 side lever D, 25 gear-boxes, 26 bias Wheel, 27 cylinder roller bearings, 28 deep groove ball bearings, 29 lower pulling plates, 30 side lever E.
Specific embodiment
Below in conjunction with attached drawing 1-9, invention is further described in detail.
The object of the present invention is to provide a kind of harvest machineries suitable for ridge culture cassava harvest, can and digging high to different ridges Deep cassava is harvested.Duplicate rows four shovels oscillatory type cassava digger, including rack 1, gauge wheel component, digger blade component and dynamic Force vibration mechanism.
Rack 1 is formed by square steel pipe welded, and two groups of trifilar suspension mountings are welded on the outside of 1 front beam of rack Plate, one group of gauge wheel wheel carrier hanging plate is welded in the middle part of front beam, and middle cross beam lower weld has four groups of digger blades shovel bars mountings Plate, the top of rack 1 are welded with oblique pull plate.
Gauge wheel component includes gauge wheel 4, wheel carrier 2, wheel shaft 10, deep groove ball bearing I and wheel end cap 9.4 both ends of gauge wheel dress There are wheel end cap 9 and deep groove ball bearing I, the deep groove ball bearing I that wheel shaft 10 passes through 4 both ends of gauge wheel is connect with the both ends of wheel carrier 2;Institute Gauge wheel component is stated to be articulated in by gauge wheel wheel carrier hanging plate in the middle part of the front beam of rack 1.
Digger blade component from left to right successively include four parts: the left side shovel component, left shovel component, the right side in shovel component and Component is shoveled on the right, and each part includes four kinds of components: shovel tip 11, spade, declutcher control lever and shovel bar.The spade lower end is equipped with shovel Sharp mounting surface, shovel tip 11 are fixedly connected by shovel tip mounting surface with spade.Declutcher control lever includes three identical 20 Hes of bottom bar Five side levers different in size: side lever A21, side lever B 22, side lever C 23, side lever D 24, side lever E 30;Bottom bar 20 is welded on shovel The rear end of the shovel tip mounting surface of handle lower end, side lever are welded on the rear end of each spade.Bar is shoveled to put down including two pieces of parallel steel plates, two Row steel pipe, two blocks of Parallel Rectangular hollow steels and two mounting blocks;Two blocks of Parallel Rectangular hollow steels pass through two parallel steel tubes and two Block parallel steel plate is fixedly connected, and rectangle hollow steel front end is welded with mounting block, and rear end is fixedly connected with spade;The digger blade group Part is articulated in four groups of digger blades by mounting block and pin shaft respectively and shovels on bar hanging plate.
Dynamic vibration mechanism includes 25, four offset assemblies of gear-box, eight bearing block assemblies and two transmission shaft components. The front end of gear-box 25 is power input shaft, and left and right ends are two power output ends, and gear-box 25 is bolted on machine The middle part of frame 1.The transmission shaft component includes axis 3, side axis 15 and universal joint 19, the power output of described 25 one end of gear-box End is connect with one end of axis 3, and the other end of axis 3 is connect by universal joint 19 with side axis 15;On axis 3 and side axis 15 respectively One offset assembly is installed, the both ends of offset assembly are equipped with bearing block assembly, and bearing block assembly is separately fixed at the stringer of rack 1 On, offset assembly is connected with corresponding digger blade component respectively;The portion installed on the power output end of 25 left and right ends of gear-box Part is identical and symmetrical.
Gear-box 25 passes to the power at both ends by power input shaft for from the power of tractor motive power output shaft Output end drives offset assembly rotation via the transmission shaft component connecting with power output end, so drive digger blade component around Its mounting point in rack 1 is done small angle oscillation (1 ° -2 °), and the vibration starting phase angle of four groups of digger blades is 180 ° -0 ° -0° -180°。
On the basis of above scheme, the gauge wheel 4 is cylindrical shape, and both ends have hack Cone Disc, hack circle It bores and is equipped with deep groove ball bearing mounting hole in the middle part of disk, for installing deep groove ball bearing I;The 2 middle part upper end of wheel carrier is equipped with one group of extension Hole and one group of limit hole are connect, the gauge wheel mounting board ends in rack 1 are also correspondingly provided with one group of mount hole and three groups of limit holes;Limit Deep wheel assembly passes through the mount hole on mount hole and wheel carrier 2 on gauge wheel hanging plate by mounting pin shaft 5 and connect with rack 1; By the position of the limit hole on the limit hole and wheel carrier 2 on alignment gauge wheel hanging plate, limit pin shaft 6 is plugged, is able to achieve double It is adjustable that row four shovels oscillatory type cassava digger depth of implements three-level.
On the basis of above scheme, between the inner ring and wheel shaft 10 of the deep groove ball bearing I and deep groove ball bearing I 4 both ends of outer ring and gauge wheel hack Cone Disc between all be interference fit.
On the basis of above scheme, 11 front of shovel tip is provided with cutting edge, and middle part opens that there are three countersunk head screw through-holes;Shovel Thread Pilot hole corresponding with 11 countersunk head screw through-hole of shovel tip is provided on sharp mounting surface, shovel tip 11 is fixed by screws in shovel tip peace On dress face, rectangle hollow steel rear end is equipped with spade mounting hole, and spade is mounted on the rear end of rectangle hollow steel by bolt;Steel Plate is equipped with three groups of lower pulling plate mount holes, to adjust digger blade component amplitude.
On the basis of above scheme, the left side shovels component and selects side shovel bar 13 and left spade 8;Left shovel component shovels in selecting Bar 7 and right spade 14;It is shoveled in the right side in component selection and shovels bar 7 and left spade 8;The right shovels component and selects side shovel bar 13 and right spade 14;Remaining part is all identical;Left spade 8 and right spade 14 are distinguished as, left spade 8 and the bending part of right spade 14 or so Symmetrically, other sizes are identical;Length of steel pipe is shorter than length of steel pipe in the shovel bar 13 of side in middle shovel bar 7, intermediate left to reduce It shovels in component and the right side and shovels the distance between component.
It is grafting between the power output end and transmission shaft component of 25 left and right ends of gear-box on the basis of above scheme Formula connection, the i.e. power output end of transmission shaft component insertion gear-box.
On the basis of above scheme, the offset assembly include eccentric wheel 26, cylinder roller bearing 27, circlip 16, partially Spindle sleeve 18, axle sleeve lid 17 and lower pulling plate 29,26 inner ring of eccentric wheel are provided with keyway, and outer ring side is provided with circlip mounting groove, is used for Circlip 16 is installed, the boss of the circlip 16 and 27 inner ring of cylinder roller bearing plays axial limit to cylinder roller bearing 27 Position effect;The outer ring of the eccentric wheel 26 and the inner ring of cylinder roller bearing 27 are interference fitted, the outer ring of cylinder roller bearing 27 It is interference fitted with the cylinder roller bearing mounting hole inside 18 upper end of excentric sleeve.There are three axis for 18 upper end lateral surface of excentric sleeve Upper shield thread Pilot hole, axle sleeve lid 17 is fixed by axle sleeve lid thread Pilot hole and excentric sleeve 18, and 18 lower end of excentric sleeve is provided with down Pulling plate mounting groove, lower pulling plate mounting groove side are provided with two pairs of mounting through-hole;29 upper end of lower pulling plate is provided with two groups and excentric sleeve 18 The corresponding through-hole of lower end installation through-hole, the two-stage that excavating depth may be implemented are adjusted, and lower end is shovel bar mount hole, lower pulling plate 29 It is connected by the lower pulling plate mount hole on shovel bar mount hole and steel plate with corresponding digger blade component.
On the basis of above scheme, the bearing block assembly includes bearing block 12 and deep groove ball bearing 28, deep-groove ball axis 28 inner rings and transmission shaft component are held, outer ring and bearing block 12 are interference fit, and 12 rear and front end of bearing block is provided with bolt hole, It is bolted on the stringer of rack 1.
On the basis of above scheme, had on the axis 3 with 25 power output end of gear-box, eccentric wheel 26 and The corresponding installation keyway of universal joint 19, the shaft shoulder for being installed rear axis 3 are located between gear-box 25 and most inboard bearing block 12; Installation keyway corresponding with universal joint 19 and eccentric wheel 26, the shaft shoulder and deep groove ball bearing 28 of side axis 15 are had in side axis 15 Inner ring cooperation.There are keyway and limit hole in 19 left and right ends of universal joint.
Three-link hitch by the mounting point and tractor arranged in rack 1, is connected with pin shaft;It is arranged in rack 1 On gear-box input shaft, pass through the rear output shaft of shaft and tractor connect.Gear-box 25 will be from tractor dynamic power The power of output shaft passes to the transmission shaft component at both ends by input shaft, the eccentric wheel 26 through installing on transmission shaft component, band Dynamic offset assembly rotation;And then digger blade component is driven to make small angle oscillation (1 ° -2 °) around its mounting point in rack 1, four The vibration starting phase angle of group digger blade is 180 ° -0 ° -0 ° -180 °.
The shovel frame height of the digger blade component is about 650mm, and wide about 250mm is shoveled by the inclination of spade when excavating Handle can realize squeezing action to soil.It is four spade formula of duplicate rows that the duplicate rows four, which shovels oscillatory type cassava digger, adapts to plantation ridge Shape is the cropping pattern of large-ridge double-row, and one-stop operation can complete the harvest operation of two row tapioca roots.The cassava cropping pattern For trapezoidal big ridge, ridge bottom width 1400mm, the high 250mm~300mm in ridge, ridge top width 900mm~1100mm, row spacing 1800mm;It is broadcasting When inserting seedling stem, seedling stem straight cutting or oblique cutting transplant in line-spacing ridge narrow row away from for 500mm~600mm, and adjacent row spacing line-spacing 1200mm~ 1300mm;Excavating depth 250mm~400mm is adjustable, excavates 21 ° of penetrating angle or so, digger blade component is made by a small margin around mounting point (1 ° -2 °) reciprocating rotation, vibration frequency 8Hz~10Hz.
Duplicate rows four of the present invention shovels oscillatory type cassava digger in operation process, is adjusted by gauge wheel to suitable and is excavated The power of depth, the output of tractor rear output shaft drives four groups of digger blade component vibrations by dynamic vibration mechanism, in operation Around respective mounting point, low-angle vibrates back and forth in journey;As the advance digger blade of tractor buries excavation, tapioca root and portion Soil around point is lifted, to spade after on the declutcher control lever that welds, complete native potato mask work in digger blade and declutcher control lever;Wood Potato wedge root and soil are under the falling at tail end of declutcher control lever, to realize the separation of tapioca root and soil.
The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.

Claims (10)

1. a kind of duplicate rows four shovels oscillatory type cassava digger, it is characterised in that: including rack (1), gauge wheel component, digger blade group Part and dynamic vibration mechanism;
Rack (1) is formed by square steel pipe welded, and two groups of trifilar suspension mountings are welded on the outside of rack (1) front beam Plate, one group of gauge wheel wheel carrier hanging plate is welded in the middle part of front beam, and middle cross beam lower weld has four groups of digger blades shovel bars mountings The top of plate, rack (1) is welded with oblique pull plate;
Gauge wheel component includes gauge wheel (4), wheel carrier (2), wheel shaft (10), deep groove ball bearing I and wheel end cap (9);Gauge wheel (4) Both ends pass through the deep groove ball bearing I and wheel carrier at gauge wheel (4) both ends equipped with wheel end cap (9) and deep groove ball bearing I, wheel shaft (10) (2) both ends connection;The gauge wheel component is articulated in the middle part of the front beam of rack (1) by gauge wheel wheel carrier hanging plate;
Digger blade component successively includes four parts from left to right: component, left shovel component, shovel component and the right in the right side are shoveled in the left side Component is shoveled, each part includes four kinds of components: shovel tip (11), spade, declutcher control lever and shovel bar;The spade lower end is equipped with shovel tip Mounting surface, shovel tip (11) are fixedly connected by shovel tip mounting surface with spade;Declutcher control lever includes three identical bottom bars (20) With five side levers different in size, bottom bar (20) is welded on the rear end of the shovel tip mounting surface of spade lower end, and side lever is welded on each The rear end of spade;Shoveling bar includes two pieces of parallel steel plates, two parallel steel tubes, two blocks of Parallel Rectangular hollow steels and two mounting blocks; Two blocks of Parallel Rectangular hollow steels are fixedly connected by two parallel steel tubes with two pieces of parallel steel plates, and rectangle hollow steel front end is welded with Block is mounted, rear end is fixedly connected with spade;The digger blade component is articulated in four groups of digger blades by mounting block and pin shaft respectively It shovels on bar hanging plate;
Dynamic vibration mechanism includes gear-box (25), four offset assemblies, eight bearing block assemblies and two transmission shaft components;Tooth The front end of roller box (25) is power input shaft, and left and right ends are two power output ends, and gear-box (25) is bolted on The middle part of rack (1);The transmission shaft component includes axis (3), side axis (15) and universal joint (19), the gear-box (25) one The power output end at end is connect with the one end of axis (3), and the other end of axis (3) is connected by universal joint (19) and side axis (15) It connects;An offset assembly is installed respectively in axis (3) and side axis (15), the both ends of offset assembly are equipped with bearing block assembly, bearing Holder assembly is separately fixed on the stringer of rack (1), and offset assembly is connected with corresponding digger blade component respectively;Gear-box (25) The component installed on the power output end of left and right ends is identical and symmetrical.
2. duplicate rows four as described in claim 1 shovels oscillatory type cassava digger, it is characterised in that: the gauge wheel (4) is circle Cylinder body shape, both ends have hack Cone Disc, deep groove ball bearing mounting hole are equipped in the middle part of hack Cone Disc, for installing deep-groove ball Bearing I;Upper end is equipped with one group of mount hole and one group of limit hole, the gauge wheel hanging plate two in rack (1) in the middle part of the wheel carrier (2) End is also correspondingly provided with one group of mount hole and three groups of limit holes;Gauge wheel component passes through gauge wheel hanging plate by mounting pin shaft (5) On mount hole and wheel carrier (2) on mount hole connect with rack (1);Pass through the limit hole and wheel on alignment gauge wheel hanging plate Limit pin shaft (6) are plugged in the position of limit hole on frame (2), are able to achieve duplicate rows four and shovel oscillatory type cassava digger depth of implements Three-level is adjustable.
3. duplicate rows four as claimed in claim 2 shovels oscillatory type cassava digger, it is characterised in that: the deep groove ball bearing I All it was between inner ring and wheel shaft (10) and the outer ring of deep groove ball bearing I and the hack Cone Disc at gauge wheel (4) both ends It is full of cooperation.
4. duplicate rows four as described in claim 1 shovels oscillatory type cassava digger, it is characterised in that: open shovel tip (11) front There is a cutting edge, middle part opens that there are three countersunk head screw through-holes;It is provided on shovel tip mounting surface corresponding with shovel tip (11) countersunk head screw through-hole Thread Pilot hole, shovel tip (11) is fixed by screws on shovel tip mounting surface, and rectangle hollow steel rear end is installed equipped with spade Hole, spade are mounted on the rear end of rectangle hollow steel by bolt;Steel plate is equipped with three groups of lower pulling plate mount holes, excavates to adjust Shovel component amplitude.
5. duplicate rows four as described in claim 1 shovels oscillatory type cassava digger, it is characterised in that: the left side shovels component and selects side shovel Bar (13) and left spade (8);Left shovel component shovels bar (7) and right spade (14) in selecting;It is shoveled in the right side in component selection and shovels bar (7) With left spade (8);The right shovels component and selects side shovel bar (13) and right spade (14);Remaining part is all identical;Left spade (8) and Right spade (14) are distinguished as, the bending part bilateral symmetry of left spade (8) and right spade (14), and other sizes are identical; Length of steel pipe is shorter than length of steel pipe in side shovel bar (13) in middle shovel bar (7), shovels component to reduce in intermediate left shovel component and the right side The distance between.
6. duplicate rows four as described in claim 1 shovels oscillatory type cassava digger, it is characterised in that: gear-box (25) left and right It is socket connection between the power output end and transmission shaft component at both ends.
7. duplicate rows four as described in claim 1 shovels oscillatory type cassava digger, it is characterised in that: the offset assembly includes inclined Heart wheel (26), cylinder roller bearing (27), circlip (16), excentric sleeve (18), axle sleeve lid (17) and lower pulling plate (29), eccentric wheel (26) inner ring is provided with keyway, and outer ring side is provided with circlip mounting groove, and for installing circlip (16), the circlip (16) and cylinder are rolled The boss of sub- bearing (27) inner ring plays axial limiting effect to cylinder roller bearing (27);Outside the eccentric wheel (26) Circle and the inner ring of cylinder roller bearing (27) are interference fitted, in the outer ring and excentric sleeve (18) upper end of cylinder roller bearing (27) The cylinder roller bearing mounting hole in portion is interference fitted;There are three axle sleeve lid thread Pilot hole, axis for excentric sleeve (18) upper end lateral surface Upper shield (17) is fixed by axle sleeve lid thread Pilot hole and excentric sleeve (18), and excentric sleeve (18) lower end is provided with lower pulling plate installation Slot, lower pulling plate mounting groove side are provided with two pairs of mounting through-hole;Lower pulling plate (29) upper end is provided with two groups and excentric sleeve (18) lower end The corresponding through-hole of installation through-hole, the two-stage that excavating depth may be implemented are adjusted, and lower end is shovel bar mount hole, and lower pulling plate (29) is logical The lower pulling plate mount hole crossed on shovel bar mount hole and steel plate is connected with corresponding digger blade component.
8. duplicate rows four as claimed in claim 7 shovels oscillatory type cassava digger, it is characterised in that: the bearing block assembly includes Bearing block (12) and deep groove ball bearing (28), deep groove ball bearing (28) inner ring and transmission shaft component, outer ring and bearing block (12) are equal For interference fit, bearing block (12) rear and front end is provided with bolt hole, is bolted on the stringer of rack (1).
9. duplicate rows four as claimed in claim 8 shovels oscillatory type cassava digger, it is characterised in that: on the axis (3) respectively Be provided with gear-box (25) power output end, eccentric wheel (26) and universal joint (19) corresponding installation keyway, after being installed in The shaft shoulder of axis (3) is located between gear-box (25) and most inboard bearing block (12);It is had in side axis (15) and universal joint (19) cooperate with the corresponding installation keyway of eccentric wheel (26), the shaft shoulder and deep groove ball bearing (28) inner ring of side axis (15);Universal joint (19) there are keyway and limit hole in left and right ends.
10. duplicate rows four as claim in any one of claims 1 to 9 shovels oscillatory type cassava digger, it is characterised in that: institute It states digger blade component and makees 1 ° -2 ° of reciprocating vibration by a small margin, vibration frequency 8Hz~10Hz under the drive of offset assembly, excavate deep Spend 250mm~400mm.
CN201810990325.7A 2018-08-28 2018-08-28 Double-row four-shovel vibration type cassava excavator Active CN108966795B (en)

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