CN107912138B - Sugarcane cutter with supporting device - Google Patents
Sugarcane cutter with supporting device Download PDFInfo
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- CN107912138B CN107912138B CN201711448558.6A CN201711448558A CN107912138B CN 107912138 B CN107912138 B CN 107912138B CN 201711448558 A CN201711448558 A CN 201711448558A CN 107912138 B CN107912138 B CN 107912138B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D45/00—Harvesting of standing crops
- A01D45/10—Harvesting of standing crops of sugar cane
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
- A01D34/73—Cutting apparatus
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
- A01D34/82—Other details
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Abstract
The invention belongs to the technical field of agricultural machinery, and particularly relates to a sugarcane cutter with a supporting device, which comprises a power input device (1), a power transmission device (2), a cutting device (3) and a supporting device (4); the power input device (1) comprises a hydraulic motor (5); the power transmission device (2) comprises a power input gear shaft (6), a sleeve (7), an input shaft upper end cover (8), a power input large gear (9), an output shaft upper end cover (10), a power output gear shaft (11), a gear box (12), a power output large gear (13), an output shaft lower end cover (14), an input shaft lower end cover (21), a power input pinion (23) and a power output pinion (24); the cutting device (3) comprises a cutter head (18), a cutter head mounting disc (19), a bottom retainer ring (20) and a cutting knife (22); the supporting device (4) comprises a supporting disc mounting disc (15) and a supporting disc (16), and the cutting efficiency and quality are improved.
Description
Technical Field
The invention belongs to the technical field of agricultural machinery, and particularly relates to a sugarcane cutter with a supporting device.
Background
China is a world large sugar cane producing country and the second largest sugar consuming country in the world, so that sugar cane is an important economic crop. Although the central document I emphasizes the development of sugar production, the whole process mechanization of the sugarcane is a bottleneck which is difficult to break through in the sugar production process in China. In the whole process of sugarcane production, the most important link is harvesting, the sugarcane harvesting in China is mainly finished manually at present, and the main reasons are that the mechanical harvesting of the sugarcane in China has the problems of high stubble breakage rate (cutting quality problems such as root stubble splitting and tearing) and serious root pulling phenomenon, the yield of the sugarcane in the next year is reduced, and meanwhile, the plant diseases and insect pests are increased.
In the process of mechanization of sugarcane harvesting, the importance of the performance of the sugarcane harvester is self-evident, wherein a key component influencing the performance of the sugarcane harvester is a cutter, and the performance of the cutter seriously influences the cutting quality of sugarcane, the germination rate of the next year, the performance of the harvester and the popularization and application thereof. Therefore, the development of a cutter which is efficient, has low perennial root head breaking rate and avoids the root extraction phenomenon has important practical significance. At present, most of sugarcane harvesters at home and abroad adopt the traditional single-disc sugarcane cutter, and although researchers do a lot of theoretical research and experimental research on the sugarcane cutters and continuously optimize the structure and motion parameters of the sugarcane cutters, the problems of high sugarcane cutting breakage rate, high cutting loss, serious root pulling and the like still exist in the actual work. The main reason is that the single disc cutter is based on the theory of unsupported cutting, the sugarcane is cut off mainly by the inertia of the sugarcane, and the sugarcane is easy to bend and stretch and deform in the cutting process, so that the root stubble is split and torn. At present, the representative types of the sugarcane harvesters are mainly A4000 produced by Kaiser Netherlands, USA, CH530 produced by John Diel and 4GQ-130 produced by Luoyang Chenghai agricultural machinery equipment, Inc., all adopt single disc cutters, and the problems of head breaking rate, serious root pulling and the like are not well solved. Therefore, the key of solving the problem of the perennial root broken rate is to convert the unsupported cutting into the supported cutting, namely in the sugarcane cutting process, the supporting device can provide a supporting point for the sugarcane, the deformation degree of the sugarcane is reduced, the sugarcane cutting process is shortened, the broken rate is reduced, the root pulling phenomenon is reduced, and the cutting efficiency and the cutting quality are improved.
Disclosure of Invention
The invention aims to provide a sugarcane cutter with a supporting device, which is efficient, low in perennial root breakage rate and capable of avoiding the phenomenon of root plucking.
The purpose of the invention is realized by the following technical scheme:
a sugarcane cutter with a supporting device comprises a power input device 1, a power transmission device 2, a cutting device 3 and a supporting device 4;
the power input device 1 comprises a hydraulic motor 5, and an output shaft of the hydraulic motor 5 is connected with a power input gear shaft 6;
the power transmission device 2 comprises a power input gear shaft 6, a sleeve 7, an input shaft upper end cover 8, a power input large gear 9, an output shaft upper end cover 10, a power output gear shaft 11, a gear box 12, a power output large gear 13, an output shaft lower end cover 14, an input shaft lower end cover 21, a power input pinion 23 and a power output pinion 24;
the gearbox 12 includes a gearbox top plate 121 and a gearbox bottom plate 122;
the center of the input shaft upper end cover 8 is provided with a through hole, and a pair of input shaft upper end covers 8 are fixedly connected to the upper surface of the gear box top plate 121;
the output shaft upper end covers 10 are fixedly connected to the upper surface of the gear box top 121;
the pair of input shaft upper end covers 8 are positioned between the pair of output shaft upper end covers 10;
the lower end covers 21 of the input shafts, a pair of lower end covers 21 of the input shafts are fixedly connected to the lower surface of the gear box bottom plate 122;
the center of the output shaft lower end covers 14 is provided with a through hole, and a pair of output shaft lower end covers 14 are fixedly connected to the lower surface of the gear box bottom plate 122;
a pair of input shaft lower end covers 21 are positioned between the pair of output shaft lower end covers 14;
the two power input gear shafts 6 respectively penetrate through the two input shaft upper end covers 8, and the lower ends of the power input gear shafts 6 are accommodated in the input shaft lower end cover 21;
the inner sides of the input shaft upper end cover 8 and the input shaft lower end cover 21 are both provided with tapered roller bearings, and the power input gear shaft 6 is in interference fit with the inner rings of the tapered roller bearings;
the upper part of the power input gear shaft 6 is respectively provided with a power input large gear 9 and a sleeve 7, the power input large gear 9 is connected with the power input gear shaft 6 through a flat key, the sleeve 7 is sleeved on the power input gear shaft 6, the upper end surface of the sleeve 7 is contacted with the inner ring of a tapered roller bearing in an input shaft upper end cover 8, the lower end surface of the sleeve 7 is contacted with the upper end surface of the power output large gear 9, and the lower end surface of the power output large gear 9 is contacted with the shaft shoulder of the power input gear shaft 6;
the power input large gears 9 on the two power input gear shafts 6 are meshed with each other;
the lower part of the power input gear shaft 6 is provided with a power input pinion 23 which is integrated with the power input gear shaft 6;
the upper ends of the two power output gear shafts 11 are accommodated in the two output shaft upper end covers 10;
the upper part of the power output gear shaft 11 is provided with a power output pinion 24 which is integrated with the power output gear shaft 11, and the power output pinion 24 is meshed with the power input gearwheel 9; the center of the power output big gear 13 is a through hole, the power output gear shaft 11 passes through the center of the power output big gear 13, the power input small gear 23 is meshed with the power output big gear 13, the center of the upper end face of the power output big gear 13 is provided with a power output big gear tapered roller bearing, the lower ends of the power output big gear 13 and the power output gear shaft 11 pass through the lower end cover 14 of the output shaft downwards, and the inner side of the lower end cover 14 of the output shaft is provided with an output shaft lower end cover tapered roller bearing;
the cutting device 3 comprises a cutter disc 18, a cutter disc mounting disc 19, a bottom retainer ring 20 and a cutting knife 22;
the cutter disc mounting disc 19 is sleeved at the lower end of the power output gear shaft 11, the cutter disc 18 is fixedly connected to the upper end face of the cutter disc mounting disc 19, and the plurality of cutters 22 are symmetrically arranged on the outer circumference of the cutter disc 18;
the cutters 22 on the cutter heads 18 respectively arranged on the two power output gear shafts 11 are matched and arranged, so that the cutters 22 on the two cutter heads 18 do not collide when in use;
a support device 4 including a support plate mounting plate 15 and a support plate 16;
the supporting disk mounting disk 15 is connected to the lower end of the power output large gear 13, and the supporting disk mounting disk 15 rotates along with the power output large gear 13;
the center of the support disc 16 is provided with an accommodating hole, the support disc 16 is coaxial with the support disc mounting disc 15, the support disc 16 is fixedly connected with the outer edge of the support disc mounting disc 15, and a plurality of grooves are uniformly formed in the outer edge of the support disc 16;
the supporting disk mounting disks 15 of the two power output large gears 13 are matched with each other, so that the grooves on the two supporting disks 16 are matched with each other to form a space for accommodating sugarcane.
The power input device 1 includes two hydraulic motors 5.
Four cutters 22 are arranged on the outer circumference of the cutter head 18.
The phase angle between the cutters 22 on the two cutter heads 18 is 45 degrees.
The bottom retainer ring 20 is arranged at the bottom end of the power output gear shaft 11, and the bottom retainer ring 20 is fixed on the bottom end surface of the power output gear shaft 11 through bolts, and simultaneously compresses the cutter head mounting disc 19.
The power output large gear mounting plate is characterized by further comprising a retainer ring 17, the retainer ring 17 is arranged at the bottom end of the power output large gear 13, the retainer ring 17 is accommodated in an accommodating hole of the supporting plate 16, the retainer ring 17 and the supporting plate 16 are coaxial, the lower end face of the retainer ring 17 and the lower end face of the supporting plate 16 are located in the same plane, the retainer ring 17 is fixed to the bottom end face of the power output large gear 13, and meanwhile, the retainer ring 17 is also fixedly connected with the supporting plate.
The diameter of the groove formed on the outer edge of the support disc 16 is 30 mm.
The transmission ratio between the power input gearwheel 9 and the power output pinion 24 is 1: 3.
The transmission ratio between the power input pinion 23 and the power output gearwheel 13 is 5: 1.
The invention has the beneficial effects that:
the invention converts the unsupported cutting of the sugarcane into supported cutting, namely in the sugarcane cutting process, the supporting device can provide a supporting point for the sugarcane, reduce the deformation degree of the sugarcane and shorten the sugarcane cutting process, thereby reducing the breakage rate of perennial roots, relieving the root pulling phenomenon and improving the cutting efficiency and quality.
Drawings
FIG. 1 is a schematic view of a sugarcane cutter with a support device according to the present invention;
FIG. 2 is a cross-sectional view of a cane cutter with a support device of the present invention;
FIG. 3 is a schematic structural view of the gearbox of the present invention;
fig. 4 is a schematic structural view of the input shaft upper end cover 8 of the present invention;
FIG. 5 is a schematic structural view of the output shaft top end cap 10 of the present invention;
fig. 6 is a schematic structural view of the input shaft lower end cover 22 of the present invention;
FIG. 7 is a schematic structural view of the output shaft lower end cap 14 of the present invention;
FIG. 8 is a schematic structural view of the support device of the present invention;
FIG. 9 is a schematic view of the position of the cutting device of the present invention;
fig. 10 is a schematic view of the position of the support disc of the present invention.
Reference numerals:
1 power input device 2 power transmission device 3 cutting device
4 support device 5 hydraulic motor 6 power input gear shaft
7 sleeve 8 input shaft upper end cover 9 power input big gear
10 output shaft upper end cover 11 power output gear shaft 12 gear box
121 gear box top plate and 122 gear box bottom plate 13 power output large gear
14 output shaft lower end cover 15 supporting disk mounting disk 16 supporting disk
17 retainer ring 18 cutter head 19 cutter head mounting disc
20 bottom retainer ring 21 input shaft lower end cover 22 cutter
23 power input pinion 24 power output pinion
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples.
As shown in figure 1, the sugarcane cutter with the supporting device comprises a power input device 1, a power transmission device 2, a cutting device 3 and a supporting device 4.
As shown in fig. 2, the power input device 1 includes a hydraulic motor 5. The output shaft of the hydraulic motor 5 and the power input gear shaft 6 are mutually matched and connected through splines to transmit power. The power input device 1 in the present embodiment includes two hydraulic motors 5, and only one of them needs to be selected for power output when operating. When one of the hydraulic motors 5 fails, the other one can be selected immediately for power output, thereby improving the working efficiency.
The power transmission device 2 comprises a power input gear shaft 6, a sleeve 7, an input shaft upper end cover 8, a power input large gear 9, an output shaft upper end cover 10, a power output gear shaft 11, a gear box 12, a power output large gear 13, an output shaft lower end cover 14, an input shaft lower end cover 21, a power input pinion 23 and a power output pinion 24.
As shown in FIG. 3, the gearbox 12 includes a gearbox top plate 121 and a gearbox bottom plate 122.
As shown in fig. 4, the input shaft upper end cover 8 has a through hole at its center to allow the power input gear shaft 6 to pass through. Four first bolt holes are uniformly distributed on the outer edge of the gear box top plate 121, four first threaded holes corresponding to the four first bolt holes are formed in the gear box top plate 121, and the pair of input shaft upper end covers 8 are fixedly connected to the upper surface of the gear box top plate 121 through screws.
As shown in fig. 5, four second bolt holes are uniformly distributed in the outer edge of the output shaft upper end cover 10, four second threaded holes corresponding to the four second bolt holes are formed in the gear box top plate 121, and a pair of output shaft upper end covers 10 are fixedly connected to the upper surface of the gear box top plate 121 by screws.
A pair of input shaft upper end caps 8 are located between a pair of output shaft upper end caps 10.
As shown in fig. 6, three third bolt holes are uniformly distributed in the outer edge of the input shaft lower end cover 21, the gear box bottom plate 122 has three third threaded holes corresponding to the three third bolt holes, and the pair of input shaft lower end covers 21 is fixedly connected to the lower surface of the gear box bottom plate 122 by screws.
As shown in fig. 7, the center of the output shaft lower end cover 14 is a through hole, three fourth bolt holes are uniformly distributed on the outer edge of the output shaft lower end cover, the gear box bottom plate 122 has three fourth threaded holes corresponding to the three fourth bolt holes, and a pair of output shaft lower end covers 14 are fixedly connected to the lower surface of the gear box bottom plate 122 by screws.
A pair of input shaft lower end caps 21 are located between the pair of output shaft lower end caps 14.
As shown in fig. 2, two power input gear shafts 6 pass through the two input shaft upper end covers 8, respectively, and the lower ends of the power input gear shafts 6 are received in the input shaft lower end covers 21.
The inner sides of the input shaft upper end cover 8 and the input shaft lower end cover 21 are respectively provided with a tapered roller bearing, and the power input gear shaft 6 is in interference fit with an inner ring of the tapered roller bearing, so that free rotation is realized.
The upper part of the power input gear shaft 6 is respectively provided with a power input big gear 9 and a sleeve 7. The power input big gear 9 and the power input gear shaft 6 are connected through a flat key. The sleeve 7 is sleeved on the power input gear shaft 6, the upper end face of the sleeve 7 is in contact with an inner ring of a tapered roller bearing in the input shaft upper end cover 8, the lower end face of the sleeve 7 is in contact with the upper end face of the power output large gear 9, and the lower end face of the power output large gear 9 is in contact with an upper shaft shoulder of the power input gear shaft 6, so that the power output large gear 9 is axially fixed.
The axial positioning of the power input gear shaft 6 and the power output gearwheel 9 is as follows: an upper end cover 8 of the input shaft compresses an outer ring of the tapered roller bearing, an inner ring of the tapered roller bearing compresses the sleeve 7, the sleeve 7 compresses the power output large gear 9, and the power output large gear 9 compresses an upper shaft shoulder of the power input gear shaft 6. Meanwhile, the lower end cover 21 of the input shaft compresses the outer ring of the tapered roller bearing, and the inner ring of the tapered roller bearing compresses the lower shaft shoulder of the power input gear shaft 6, so that the axial positioning of the power input gear shaft 6 and the power output large gear 9 is finally realized.
The power input large gears 9 on the two power input gear shafts 6 are meshed with each other.
The lower portion of the power input gear shaft 6 is provided with a power input pinion 23 which is integral with the power input gear shaft 6.
The upper ends of the two power output gear shafts 11 are accommodated in two output shaft upper end covers 10.
The upper portion of the pto shaft 11 is provided with a pto pinion 24 which is integral with the pto shaft 11. The power output small gear 24 and the power input large gear 9 are meshed with each other to realize speed increasing movement, and the transmission ratio between the power input large gear 9 and the power output small gear 24 is about 1: 3. The center of the power output big gear 13 is a through hole, and the power output gear shaft 11 passes through the center of the power output big gear 13. The power input small gear 23 and the power output large gear 13 are meshed with each other to realize speed reduction transmission, and the transmission ratio between the power input small gear 23 and the power output large gear 13 is about 5: 1. The center of the upper end face of the power output big gear 13 is provided with a power output big gear tapered roller bearing. The lower ends of the power output big gear 13 and the power output gear shaft 11 penetrate out of the lower end cover 14 of the output shaft downwards. An output shaft lower end cover tapered roller bearing is arranged on the inner side of the output shaft lower end cover 14.
An upper end cover 10 of the output shaft presses an upper shaft shoulder of a power output gear shaft 11, the power output gear shaft 11 presses an inner ring of a power output gearwheel tapered roller bearing, and an outer ring of the power output gearwheel tapered roller bearing presses a power output gearwheel 13. Meanwhile, the inner ring of the tapered roller bearing at the lower end cover of the output shaft presses the lower shaft shoulder of the power output big gear 13, and finally, the axial positioning of the power output gear shaft 11 and the power output big gear 13 is realized.
As shown in fig. 2 and 9, the cutting device 3 includes a cutter head 18, a cutter head mounting disc 19, a bottom retainer ring 20, and a cutter blade 22.
The cutter head mounting disc 19 is sleeved at the lower end of the power output gear shaft 11, and the cutter head mounting disc 19 and the power output gear shaft are mutually matched through spline connection, so that the rotation of the cutter head mounting disc 19 is realized. The cutter head 18 is fixed to the upper end surface of the cutter head mounting plate 19 by bolts. A plurality of cutters 22 are symmetrically arranged on the outer circumference of the cutter head 18, and preferably, four cutters 22 are provided on the outer circumference of the cutter head 18.
The cutters 22 on the cutter discs 18 respectively arranged on the two power output gear shafts 11 are matched and arranged, so that the cutters 22 on the two cutter discs 18 do not collide when in use. Preferably, as shown in fig. 9, the phase angle between the cutters 22 of the two cutter discs 18 is 45 °, that is, the same reference point is taken, and after one cutter 22 of one cutter disc 18 reaches the position, the other cutter 22 of the other cutter disc 18, which is close to the cutter 22, needs to rotate by 45 ° when reaching the position. The angle may be changed to another angle in order to prevent the cutting blades 22 from being damaged by collision between the cutting blades 23.
In order to prevent the cutter head mounting plate 19 from slipping, a bottom retainer ring 20 is provided at the bottom end of the power output gear shaft 11, and the bottom retainer ring 20 is fixed to the bottom end face of the power output gear shaft 11 by bolts while pressing the cutter head mounting plate 19.
As shown in fig. 8, the supporting device 4 includes a supporting disk mounting disk 15, a supporting disk 16, and a retainer ring 17.
The support disk mounting disk 15 is connected at the lower end of the power output big gear 13 through spline fit, and the support disk mounting disk 15 rotates along with the power output big gear 13.
The center of the supporting disk 16 is provided with an accommodating hole, the supporting disk 16 is coaxial with the supporting disk mounting disk 15, the supporting disk 16 is fixedly connected with the outer edge of the supporting disk mounting disk 15, the supporting disk 16 and the supporting disk mounting disk 15 are fixedly connected through bolts, and the supporting disk 16 rotates along with the supporting disk mounting disk 15. The outer edge of the supporting disk 16 is uniformly provided with a plurality of grooves.
In order to prevent the supporting disc mounting disc 15 from sliding off, the retainer ring 17 is arranged at the bottom end of the power output large gear 13, the retainer ring 17 is accommodated in the accommodating hole of the supporting disc 16, the retainer ring 17 and the supporting disc 16 are coaxial, and the lower end face of the retainer ring 17 and the lower end face of the supporting disc 16 are in the same plane.
The retainer ring 17 is fixed on the bottom end surface of the power output large gear 13 by bolts passing through four bolt holes provided in the inner ring of the retainer ring 17. Simultaneously, pass through the four bolt holes that set up in retaining ring 17 outer lane through the bolt with retaining ring 17 and supporting disk mounting disc 15 fixed connection to effectively prevent supporting disk mounting disc 15's axial displacement.
As shown in fig. 10, the supporting disk mounting disks 15 of the two power output large gears 13 are mutually matched, so that the grooves on the two supporting disks 16 are mutually matched to form a space for accommodating the sugarcane, and the sugarcane is clamped into the grooves, thereby realizing supporting cutting.
The working process of the invention is as follows:
when the cane harvester advances in direction v in fig. 1, the cane moves rearwardly relative to the harvester, and to prevent the support plate 16 and cane from moving toward each other, the support plate 16 on the right side of the cane harvester should rotate in a counterclockwise direction v1 and the support plate 16 on the left side of the cane harvester should rotate in a clockwise direction v 2.
When the left hydraulic motor 5 is used only for driving, the operation is as follows:
during the forward process of the machine tool, the left hydraulic motor 5 drives the left power input gear shaft 6 to rotate anticlockwise through spline connection.
The power input small gear 23 below the left power input gear shaft 6 is meshed with the power output large gear 13, so that the left power output large gear 13 rotates clockwise, and the left support plate 16 rotates clockwise.
The left power input gear shaft 6 is connected with the driving power input large gear 9 through a flat key to rotate anticlockwise so as to drive the left power output gear shaft 11 to rotate clockwise, and the left power output gear shaft 11 is connected with the cutter head mounting disc 19 through a spline so as to realize clockwise rotation of the left cutter head 18.
The left power input gearwheel 9 meshes with the right power input gearwheel 9, so that the right power input gearwheel 9 rotates clockwise.
The right power transmission mode is similar to the left power transmission mode, and the right supporting disc 16 and the cutter disc 18 rotate anticlockwise under the driving of the right power input large gear 9.
When the sugarcane is to move to a position between the left side cutterhead 18 and the right side cutterhead 18, the sugarcane is fixedly supported in the groove of the supporting disc 16 due to the fact that the supporting disc 16 with the groove is arranged above the cutterhead 18, the sugarcane moves backwards along with the rotation of the supporting disc 16, and the cutting knife 22 completes cutting action in the process of backward movement.
During the harvesting process of the sugarcane harvester, the rotating speed of the cutting knife 22 needs to be fast; and the harvesting advancing speed of the sugarcane harvester is slower, and the rotating speed of the supporting device 4 is matched with the advancing speed for obtaining good support of the sugarcane, and the rotating speed of the supporting device is set to be slower.
In order to meet the requirements, the transmission mode adopted by the application is shown in figure 2. When the rotation speed of the hydraulic motor 5 is not changed, the rotation speed of the power input gear shaft 6 is not changed, and the rotation speeds of the power input large gear 9 and the power input small gear 23 are the same.
The power input gearwheel 9 is meshed with the power output pinion 24, the transmission ratio between the power input gearwheel and the power output pinion is about 1:3, and the power input gearwheel and the power output pinion are in acceleration transmission, so that the rotating speed of the power output gear shaft 11 is increased, and the cutter head 18 is driven to rotate at a rotating speed higher than that of the power input gearwheel 9; the power input pinion 23 is meshed with the power output gearwheel 13, the transmission ratio between the two is about 5:1, and the two are in speed reduction transmission, so that the supporting plate 16 rotates at a lower speed than the power input pinion 23.
Claims (9)
1. A sugarcane cutter with a supporting device is characterized in that: comprises a power input device (1), a power transmission device (2), a cutting device (3) and a supporting device (4);
the power input device (1) comprises a hydraulic motor (5), and an output shaft of the hydraulic motor (5) is connected with a power input gear shaft (6);
the power transmission device (2) comprises a power input gear shaft (6), a sleeve (7), an input shaft upper end cover (8), a power input large gear (9), an output shaft upper end cover (10), a power output gear shaft (11), a gear box (12), a power output large gear (13), an output shaft lower end cover (14), an input shaft lower end cover (21), a power input pinion (23) and a power output pinion (24);
the gear box (12) comprises a gear box top plate (121) and a gear box bottom plate (122);
the center of the input shaft upper end cover (8) is provided with a through hole, and a pair of input shaft upper end covers (8) are fixedly connected to the upper surface of a gear box top plate (121);
the pair of output shaft upper end covers (10) are fixedly connected to the upper surface of a gear box top plate (121);
the pair of input shaft upper end covers (8) are positioned between the pair of output shaft upper end covers (10);
the pair of lower input shaft end covers (21) are fixedly connected to the lower surface of the gear box bottom plate (122);
the center of the output shaft lower end cover (14) is provided with a through hole, and a pair of output shaft lower end covers (14) are fixedly connected to the lower surface of the gear box bottom plate (122);
the pair of input shaft lower end covers (21) are positioned between the pair of output shaft lower end covers (14);
the two power input gear shafts (6) respectively penetrate through the two input shaft upper end covers (8), and the lower ends of the power input gear shafts (6) are accommodated in the input shaft lower end covers (21);
the inner sides of the input shaft upper end cover (8) and the input shaft lower end cover (21) are respectively provided with a tapered roller bearing, and the power input gear shaft (6) is in interference fit with an inner ring of the tapered roller bearing;
the upper part of the power input gear shaft (6) is respectively provided with a power input large gear (9) and a sleeve (7), the power input large gear (9) is connected with the power input gear shaft (6) through a flat key, the sleeve (7) is sleeved on the power input gear shaft (6), the upper end surface of the sleeve (7) is contacted with an inner ring of a tapered roller bearing in an upper end cover (8) of the input shaft, the lower end surface of the sleeve (7) is contacted with the upper end surface of the power input large gear (9), and the lower end surface of the power input large gear (9) is contacted with a shaft shoulder of the power input gear shaft (6);
the power input large gears (9) on the two power input gear shafts (6) are meshed with each other;
the lower part of the power input gear shaft (6) is provided with a power input pinion (23) which is integrated with the power input gear shaft (6);
the upper ends of the two power output gear shafts (11) are accommodated in the upper end covers (10) of the two output shafts;
the upper part of the power output gear shaft (11) is provided with a power output pinion (24) which is integrated with the power output gear shaft (11), and the power output pinion (24) is meshed with the power input gearwheel (9); the center of the power output large gear (13) is a through hole, a power output gear shaft (11) penetrates through the center of the power output large gear (13), a power input small gear (23) is meshed with the power output large gear (13), a power output large gear tapered roller bearing is arranged at the center of the upper end face of the power output large gear (13), the lower ends of the power output large gear (13) and the power output gear shaft (11) penetrate out of an output shaft lower end cover (14) downwards, and an output shaft lower end cover tapered roller bearing is arranged on the inner side of the output shaft lower end cover (14);
the cutting device (3) comprises a cutter head (18), a cutter head mounting disc (19), a bottom retainer ring (20) and a cutting knife (22);
the cutter disc mounting disc (19) is sleeved at the lower end of the power output gear shaft (11), the cutter disc (18) is fixedly connected to the upper end face of the cutter disc mounting disc (19), and the plurality of cutters (22) are symmetrically arranged on the outer circumference of the cutter disc (18);
a plurality of cutters (22) on cutter heads (18) respectively arranged on the two power output gear shafts (11) are installed in a matching way, so that the cutters (22) on the two cutter heads (18) are not collided when in use;
a support device (4) comprising a support disc mounting disc (15) and a support disc (16);
the supporting disk mounting disk (15) is connected to the lower end of the power output large gear (13), and the supporting disk mounting disk (15) rotates along with the power output large gear (13);
the center of the supporting disc (16) is provided with an accommodating hole, the supporting disc (16) is coaxial with the supporting disc mounting disc (15), the supporting disc (16) is fixedly connected with the outer edge of the supporting disc mounting disc (15), and a plurality of grooves are uniformly formed in the outer edge of the supporting disc (16);
the supporting disk mounting disks (15) of the two power output large gears (13) are matched with each other, so that the grooves on the two supporting disks (16) are matched with each other to form a space for accommodating the sugarcane.
2. The sugarcane cutter with support device of claim 1, wherein:
the power input device (1) comprises two hydraulic motors (5).
3. The sugarcane cutter with support device of claim 1, wherein:
four cutting knives (22) are arranged on the outer circumference of the cutter head (18).
4. The sugarcane cutter with support device of claim 1, wherein:
the phase angle between the cutters (22) on the two cutter heads (18) is 45 degrees.
5. The sugarcane cutter with support device of claim 1, wherein:
the bottom retainer ring (20) is arranged at the bottom end of the power output gear shaft (11), the bottom retainer ring (20) is fixed on the bottom end surface of the power output gear shaft (11) through bolts, and meanwhile, the cutter disc mounting disc (19) is pressed tightly.
6. The sugarcane cutter with support device of claim 1, wherein:
still include retaining ring (17), set up retaining ring (17) in the bottom of power take off gear wheel (13), retaining ring (17) hold in the holding hole of supporting disk (16), retaining ring (17) and supporting disk (16) are coaxial, terminal surface and supporting disk (16) lower terminal surface are in the coplanar under retaining ring (17), the bottom face at power take off gear wheel (13) is fixed in retaining ring (17), simultaneously, retaining ring (17) also with supporting disk mounting disc (15) fixed connection.
7. The sugarcane cutter with support device of claim 1, wherein:
the diameter of the groove formed on the outer edge of the support disc (16) is 30 mm.
8. The sugarcane cutter with support device of claim 1, wherein:
the transmission ratio between the power input gearwheel (9) and the power output pinion (24) is 1: 3.
9. The sugarcane cutter with support device of claim 1, wherein:
the transmission ratio between the power input small gear (23) and the power output big gear (13) is 5: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711448558.6A CN107912138B (en) | 2017-12-27 | 2017-12-27 | Sugarcane cutter with supporting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711448558.6A CN107912138B (en) | 2017-12-27 | 2017-12-27 | Sugarcane cutter with supporting device |
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| Publication Number | Publication Date |
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| CN107912138A CN107912138A (en) | 2018-04-17 |
| CN107912138B true CN107912138B (en) | 2020-01-10 |
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| CN201711448558.6A Active CN107912138B (en) | 2017-12-27 | 2017-12-27 | Sugarcane cutter with supporting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109041862A (en) * | 2018-10-24 | 2018-12-21 | 河北农业大学 | A kind of fork type Juglans flat stubble machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9894838B2 (en) * | 2013-09-10 | 2018-02-20 | Cnh Industrial America Llc | Basecutter blade for a cane harvester |
| CN105723930B (en) * | 2014-12-09 | 2017-11-17 | 中国农业机械化科学研究院 | A kind of candy cane whole-stalk harvester and its sugarcane cutting leaf stripping device |
| CN104604434B (en) * | 2014-12-16 | 2017-01-18 | 黄华 | Cutting device of sugarcane harvester |
| CN105917842B (en) * | 2016-07-04 | 2018-11-16 | 中国农业大学 | It is a kind of that broken head cutter device is prevented based on the sugarcane for having support to cut |
| CN207783584U (en) * | 2017-12-27 | 2018-08-31 | 中国农业大学 | A kind of sugar cane cutter having support device |
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