CN116267204A - Five-element corn harvester based on motor driving matching device - Google Patents
Five-element corn harvester based on motor driving matching device Download PDFInfo
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- CN116267204A CN116267204A CN202310227965.3A CN202310227965A CN116267204A CN 116267204 A CN116267204 A CN 116267204A CN 202310227965 A CN202310227965 A CN 202310227965A CN 116267204 A CN116267204 A CN 116267204A
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- 235000002017 Zea mays subsp mays Nutrition 0.000 title claims abstract description 73
- 235000005822 corn Nutrition 0.000 title claims abstract description 73
- 238000005520 cutting process Methods 0.000 claims abstract description 64
- 230000007246 mechanism Effects 0.000 claims abstract description 52
- 230000008878 coupling Effects 0.000 claims abstract description 43
- 238000010168 coupling process Methods 0.000 claims abstract description 43
- 238000005859 coupling reaction Methods 0.000 claims abstract description 43
- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- 238000003825 pressing Methods 0.000 claims abstract description 19
- 238000003860 storage Methods 0.000 claims abstract description 6
- 239000000725 suspension Substances 0.000 claims description 9
- 238000003306 harvesting Methods 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 8
- 210000005069 ears Anatomy 0.000 claims description 5
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D45/00—Harvesting of standing crops
- A01D45/02—Harvesting of standing crops of maize, i.e. kernel harvesting
- A01D45/021—Cornheaders
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D45/00—Harvesting of standing crops
- A01D45/02—Harvesting of standing crops of maize, i.e. kernel harvesting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D47/00—Headers for topping of plants, e.g. stalks with ears
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D69/00—Driving mechanisms or parts thereof for harvesters or mowers
- A01D69/02—Driving mechanisms or parts thereof for harvesters or mowers electric
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
Abstract
The invention discloses a five-element corn harvester based on a motor driving matching device, which comprises an auger, a five-element peeling mechanism, a five-element ear pressing conveyer, a five-element ear picking cutting table device, an ear storage device and a returning device, wherein a generator is used for providing a power supply for the generator, the generator is used for providing power for the auger motor, two first peeling motors, a second peeling motor, a first pressing conveyer motor, a second pressing conveyer motor, a returning motor and two ear picking cutting table motors, the three ear pressing conveyer and the three ear picking cutting tables are driven by the motors through two clutch coupling devices, so that the two ear picking cutting table motors drive the five-element ear picking cutting table device, the first pressing conveyer motor and the second pressing conveyer motor drive the five-element ear pressing conveyer, the two first peeling motors and the second peeling motors drive the five-element peeling mechanism, and the auger motor drives the auger and the returning motor drives the returning device. The invention has the characteristics of simplifying the transmission mechanism, guaranteeing the power performance requirement and improving the operation stability.
Description
Technical Field
The invention relates to the technical field of corn harvesting devices, in particular to a five-element corn harvester based on a motor driving matching device.
Background
Most of corn harvesters in the current market drive a chain to drive a corn picking header to harvest corn ears and then transmit the corn ears to an ear pressure transmitter, and then the ear pressure transmitter and a peeling mechanism driven by the chain operate to finish the corn ear peeling task. However, these corn harvesters generally have the problems of low mechanical transmission efficiency, high failure rate and the like, and can not effectively ensure the stability of the corn harvesters in long-time operation.
Especially, the five-element corn harvester based on devices such as a chain-driven ear picking header, an ear pressure transmitter, a peeling mechanism and the like has the problems of low mechanical transmission efficiency, high failure rate and the like, and influences the field operation efficiency. The five-element corn harvester based on chain transmission has the problems of poor field cultivation applicability and insufficient dynamic property, and can not work on wet field cultivation land.
Meanwhile, the corn harvester driven by the engine chain is not strong in universality, and the problems of insufficient dynamic performance and the like of the corn harvester in field cultivation can not be effectively solved by adjusting the working line number of the corn harvester.
Disclosure of Invention
The invention aims to design and develop a five-element corn harvester based on a motor driving matching device, which realizes five-element corn harvesting through two clutch coupling devices, and greatly improves the dynamic property and the fuel economy of the corn harvester while ensuring good operation performance and stability of the corn harvester.
The technical scheme provided by the invention is as follows:
a five-element corn harvester based on a motor driven mating device, comprising:
a frame; and
a power device arranged on the frame;
the screw feeder is hinged to the front end of the frame in a lifting manner;
the screw feeder motor is arranged at one side of the screw feeder and used for driving the screw feeder to rotate;
the five-element peeling mechanism is arranged at the front end of the screw feeder and is connected with the inlet of the screw feeder, and the five-element peeling mechanism comprises two pairs of first peeling mechanisms and second peeling mechanisms;
the two first peeling motors are respectively connected with the two pairs of first peeling mechanisms;
the second peeling motor is connected with the second peeling mechanism;
five-element ear pressure feeders are respectively arranged at the upper parts of the five-element peeling mechanisms in a one-to-one correspondence manner, and each five-element ear pressure feeder comprises two pairs of first ear pressure feeders and second ear pressure feeders;
a first conveyor motor connected to the first pair of first ear conveyors;
a second conveyor motor connected to the second pair of first ear conveyors;
a first clutch coupling means disposed between the second pair of first and second ear pressure transmitters for powered engagement or disengagement between the second pair of first and second ear pressure transmitters;
the five-element ear picking and cutting table devices are respectively arranged at the front ends of the five-element ear pressing and conveying devices in a one-to-one correspondence manner and are used for harvesting corn ears;
the cluster storage device is connected with the auger and is used for conveying and storing clusters;
the power device supplies power to the auger motor, the two first peeling motors, the second peeling motors, the first pressure transmitter motor, the second pressure transmitter motor and the five-element ear picking and cutting table device.
Preferably, the method further comprises:
a cab fixed to an upper portion of a front end of the frame;
the seed recovery box is arranged at the lower part of the five-element peeling mechanism;
the returning device is hinged to the lower part of the frame in a lifting manner;
and the returning motor is connected with the returning device and used for driving the returning device to rotate.
Preferably, the first peeling mechanism and the second peeling mechanism each comprise:
the two brackets are symmetrically arranged on the seed recovery box at intervals;
at least two peeling rollers arranged in parallel and at intervals between the two brackets;
the peeling cylinder gears are respectively fixed at one ends of the at least two peeling rollers in a one-to-one correspondence manner, and the at least two peeling cylinder gears are meshed with each other;
a first cylindrical gear provided at one end of any one of the peeling rollers;
and one end of the first chain is sleeved on the outer side of the first cylindrical gear.
Preferably, the first peeling motor further comprises:
the second cylindrical gear is fixed on the output shaft of the first peeling motor;
the third cylindrical gear is parallel to the second cylindrical gear and is fixed on the output shaft of the first peeling motor;
the second peeling motor further includes:
a fourth cylindrical gear fixed on the output shaft of the second peeling motor;
the other ends of the first chains are sleeved on the outer sides of the second cylindrical gear, the third cylindrical gear and the fourth cylindrical gear in a one-to-one correspondence mode respectively.
Preferably, the first ear pressure transmitter and the second ear pressure transmitter each comprise:
the star wheel shafts are arranged at the upper parts of the two brackets at intervals in parallel, and the star wheel shafts and the peeling rollers are mutually perpendicular;
at least two cylindrical pressing gears which are respectively and correspondingly fixed at one ends of the at least two star wheel shafts;
at least one second chain is respectively sleeved on the outer sides of the at least two pressing cylindrical gears in sequence.
Preferably, the first and second forcer motors each include:
two fifth cylindrical gears which are fixed in parallel on the output shaft of the first or second presser motor;
and the two third chains are respectively sleeved on the outer sides of any one of the two fifth cylindrical gears and the two pairs of first ear pressure transmitters.
Preferably, the first clutch coupling device includes:
the first coupler is fixed at one end of any star wheel shaft of the second cluster press transmitter;
one end of the gear shaft is fixed at the other end of any star wheel shaft of the second pair of first cluster pressure transmitters, and the other end of the gear shaft is opposite to the first coupler;
the support is sleeved at one end of the gear shaft;
the hydraulic sleeve is movably sleeved at the other end of the gear shaft, and a circumferential groove is formed in the outer side of the hydraulic sleeve;
a second coupling provided on a side of the hydraulic sleeve adjacent to the circumferential groove, and selectively engaged with the first coupling;
the large end of the separating lever is clamped in the circumferential groove, the middle part of the separating lever is detachably fixed on the bracket, and the small end of the separating lever can rotate around the middle part of the separating lever;
and the spiral spring is sleeved on the outer side of the hydraulic sleeve, one end of the spiral spring is fixed on the support, and the other end of the spiral spring is propped against the large end of the separating lever.
Preferably, the five-element ear picking and cutting table device comprises two pairs of first ear picking and cutting tables, second ear picking and cutting tables, two ear picking and cutting table motors and a second clutch coupling device;
wherein, the two pairs of first ear picking cutting tables, the second ear picking cutting tables, the two ear picking cutting table motors and the second clutch coupling devices are all arranged on the suspension support frame;
the first ear picking header and the second ear picking header each comprise:
the transmission shaft is rotatably arranged on the suspension support frame;
a first pair of bevel gears disposed spaced apart on the drive shaft;
a second pair of bevel gears fixed to the drive shaft with respect to the first pair of bevel gears, respectively;
a third pair of bevel gears respectively intermeshed with the first pair of bevel gears;
a pair of stalk rolls connected to the third pair of bevel gears, respectively;
a fourth pair of bevel gears respectively intermeshed with the second pair of bevel gears;
two sixth cylindrical gears fixed to the fourth pair of bevel gears, respectively;
the two cutting tables are vertically fixed on the suspension support frame and are respectively arranged on one side of the two sixth cylindrical gears;
two seventh cylindrical gears fixed on the two cutting tables respectively;
the two reel chains are respectively sleeved outside the two seventh cylindrical gears and the two sixth cylindrical gears;
the ear picking and cutting table motor further comprises:
the worm is connected with the output shaft of the motor of the ear picking and cutting table;
the worm wheel is meshed with the worm, and two ends of the worm wheel are respectively fixed on a transmission shaft of the first ear picking header;
the second clutch coupling device is arranged between the transmission shaft of the first ear picking cutting table and the transmission shaft of the second ear picking cutting table, and the second clutch coupling device has the same structure as the first clutch coupling device.
Preferably, the power device includes:
the engine is arranged on the frame and used for providing power for the five-element corn harvester;
the power generator is connected with the engine, and is connected with the auger motor, the two first peeling motors, the second peeling motors, the first pressure transmitter motor, the second pressure transmitter motor, the returning motor and the two ear picking and cutting table motors, and is used for providing power for motor driving matching devices.
Preferably, the lead angle of the worm satisfies:
Tanγ＝z 1 ·p 1 /d 1 ；
wherein gamma is the lead angle of the worm, z 1 For the number of worm heads, p 1 For the axial pitch of the worm, d 1 Is the diameter of the pitch circle of the worm.
The beneficial effects of the invention are as follows:
(1) According to the five-element corn harvester based on the motor-driven matching device, after matching devices such as the corn harvester matching ear picking header, the ear pressing transmitter, the peeling mechanism, the auger, the lifter and the blower are replaced by motors to be directly driven, the working line number of the corn harvester can be adjusted in real time according to the field cultivation condition of the corn harvester, the power output torque distribution of an engine is greatly improved, the torque requirement of a transmission matching harvesting device is reduced, the field driving power output of the corn harvester is increased, the problem that the power performance of the corn harvester is insufficient in the field cultivation is effectively solved, and the power performance requirement of the corn harvester is always ensured.
(2) The five-element corn harvester based on the motor driving matching device, which is designed and developed by the invention, can not only greatly improve the problem of insufficient field cultivation power of the corn harvester, but also greatly improve the working efficiency of the corn harvester, reduce the failure rate and the like. Finally, the power performance and the fuel economy of the corn harvester are greatly improved while the good operation performance and the stability performance of the corn harvester are ensured.
Drawings
Fig. 1 is a schematic left-view structure diagram of a five-element corn harvester based on a motor driving matching device.
Fig. 2 is a schematic diagram of a right-side view structure of the five-element corn harvester based on the motor driving matching device.
Fig. 3 is a schematic diagram of an assembly structure of the five-element peeling mechanism and the five-element ear pressure transmitter according to the present invention.
Fig. 4 is a schematic view of an assembly structure of the first peeling mechanism and the first ear pressure conveyor according to the present invention.
Fig. 5 is a schematic view of an assembly structure of the second peeling mechanism and the second ear pressure conveyor according to the present invention.
Fig. 6 is a schematic diagram of an assembled structure of the first clutch coupling device according to the present invention.
Fig. 7 is a schematic partial structure of the first clutch coupling device according to the present invention.
Fig. 8 is a schematic structural view of the five-element ear picking and cutting table device according to the present invention.
Fig. 9 is a schematic structural view of the first ear picking and cutting table according to the present invention.
Fig. 10 is a schematic diagram of an assembly structure of the second ear picking header according to the present invention.
Fig. 11 is a schematic view of an assembly structure of the worm wheel and worm according to the present invention.
Fig. 12 is a schematic view of a portion of parameters of the worm screw of the present invention.
Fig. 13 is a schematic view of other partial parameters of the worm screw of the present invention.
Fig. 14 is a schematic structural view of the one-way clutch according to the present invention.
Detailed Description
The present invention is described in further detail below to enable those skilled in the art to practice the invention by reference to the specification.
As shown in fig. 1, 2 and 5, the five-element corn harvester based on the motor driving matching device provided by the invention comprises:
the machine comprises a frame 100, a power device, a traveling device 120, an auger 130, an auger motor 131, a five-element peeling mechanism 140, a grain recovery box 141, a five-element ear pressure transmitter 150, a cab 160, a five-element ear picking and cutting table device 170, an ear storage device, a returning device 180 and a returning motor 181.
The frame 100 is disposed on an upper side of the traveling device 120, the traveling device is configured to drive the five-element corn harvester to travel, and the cab 160 is fixed on an upper portion of a front end of the frame 100.
The power plant includes: an engine (not shown) and a generator 110, the engine being disposed on the frame 100 for powering a five element corn harvester; the generator 110 is connected with the engine, and the generator 110 drives the first pulley 111 to rotate through belt or chain transmission, the first pulley 111 drives the second pulley 112 to rotate through belt or chain transmission, and the second pulley 112 drives the gear box to rotate through belt or chain transmission, so as to drive the traveling device 120 to travel.
In this embodiment, the running gear 120 has 4 wheels.
The screw feeder 130 is hinged to the front end of the frame 100 in a lifting manner through a supporting arm and a hydraulic lifting system 133; the auger motor 131 is arranged on one side of the auger 130, an output shaft of the auger motor 131 is fixedly connected with an output gear, an auger central shaft gear 132 is arranged on the outer side of the auger 130, the auger central shaft gear 132 is fixedly connected with the central shaft of the auger 130, the output gear is meshed with the auger central shaft gear 132, and the auger motor 131 drives the auger 130 to rotate through the output gear and the auger central shaft gear 132.
As shown in fig. 3, 4 and 5, the five-element peeling mechanism 140 is disposed at the front end of the auger 130, and the five-element peeling mechanism 140 is connected to the inlet of the auger 130, and the five-element peeling mechanism 140 includes two pairs of first peeling mechanisms 149a and second peeling mechanisms 149b; the first peeling mechanism 149a and the second peeling mechanism 149b each include: two brackets 144 symmetrically arranged; at least two peeling rollers 143 are disposed in parallel with a space between the two brackets 144; at least two peeling cylindrical gears 145 are respectively fixed at one end of the at least two peeling rollers 143 in one-to-one correspondence, and the at least two peeling cylindrical gears 145 are meshed with each other in sequence; the first cylindrical gear 146 is provided at one end of any one of the peeling rollers 143; the first peeling motor 141a drives a first pair of first peeling mechanisms 149a, the other first peeling motor 141b drives a second pair of first peeling mechanisms 149a, and the second peeling motor 142 drives a second peeling mechanism 149b; the first peeling motor 141a further includes: the second cylindrical gear 148 is fixed on the output shaft of the first peeling motor 141 a; a third cylindrical gear (not shown) is fixed on the output shaft of the first peeling motor 141a in parallel with the second cylindrical gear 148, so that the first peeling motor 141a drives one pair of first peeling mechanisms 149a to operate, and the other first peeling motor 141b drives the other pair of first peeling mechanisms 149a to operate; the second peeling motor 142 further includes: a fourth spur gear (not shown) fixed to the output shaft of the second peeling motor 142; the 5 first chains 147 are respectively sleeved on the outer sides of the second cylindrical gear 148 and the first cylindrical gear 146, the third cylindrical gear and the first cylindrical gear 146 (two pairs of first peeling mechanisms 149 a), and the fourth cylindrical gear and the first cylindrical gear 146 (second peeling mechanism 149 b).
In this embodiment, the number of the peeling rollers 143 is 4, and correspondingly, the number of the peeling cylindrical gears 145 is also 4, the first peeling motors 141a, 141b and the second peeling motors 142 are all fixed by brackets, and the 4 peeling rollers 143 rotate in opposite directions, so as to finally complete the corn ear peeling task.
The kernel recycling bin 141 is disposed at the lower part of the five-element peeling mechanism 140, and an inclined screen plate is disposed between the kernel recycling bin 141 and the five-element peeling mechanism 140, so that kernels can fall into the kernel recycling bin 141, and the kernels fall onto the ground through an inclined structure, and the first peeling mechanism 149a and the second peeling mechanism 149b each comprise: the brackets in the first peeling mechanism 149a and the second peeling mechanism 149b are fixed to the upper portion of the grain recovery tank 141, and the grain recovery tank 141 is fixed to the front end of the hydraulic lifting system 133.
The five-element ear pressure feeders 150 are respectively disposed at the upper parts of the five-element peeling mechanisms 140 in a one-to-one correspondence manner, and the five-element ear pressure feeders 150 include two pairs of first ear pressure feeders 159a and second ear pressure feeders 159b.
The first ear pressure transmitter 159a and the second ear pressure transmitter 159b each include: at least two star wheel shafts 154, which are arranged at the upper parts of the two brackets 144 in parallel at intervals, and the at least two star wheel shafts 154 and the at least two peeling rollers 143 are arranged perpendicular to each other; at least two pressing cylindrical gears 155, which are respectively fixed at one end of the at least two star wheel shafts 154 in a one-to-one correspondence; at least one second chain (not shown) is sleeved on the outer sides of the at least two cylindrical pressing gears 155 in sequence, so as to realize synchronous power transmission.
The first pusher motor 151 is connected with a first pair of first ear presses 159a, the second pusher motor 152 is connected with a second pair of first ear presses 159a, and the first and second pusher motors 151 and 152 are both fixed by a bracket; a first clutch coupling 153 disposed between the second pair of first and second ear pressure transmitters 159a, 159b for powered engagement or disengagement between the second pair of first and second ear pressure transmitters 159a, 159 b;
the first and second forcer motors 151 and 152 each include: two fifth spur gears 157a, 157b fixed in parallel to the output shaft of the first or second forcer motor 151, 152; and two third chains 156 respectively sleeved on the outer sides of any one of the two fifth cylindrical gears 157a and 157b and the two pairs of first ear pressure transmitters 159 a.
As shown in fig. 6 and 7, the first clutch coupling 153 includes: a first coupling 2102 fixed to one end of the power input star wheel shaft 215 of the second ear pressure transmitter 159 b; a gear shaft (not shown) having one end fixed to the other end of the power output star wheel shaft 213 of the second pair of first ear pressure transmitters 159a and the other end disposed opposite to the first coupling 2102, and having an external spline; a support 2107 sleeved on one end of the gear shaft; the hydraulic sleeve 2105 is movably sleeved at the other end of the gear shaft, a circumferential groove is formed in the outer side of the hydraulic sleeve 2105, and an inner spline is formed in the inner side of the hydraulic sleeve 2105 and used for being matched with an outer spline of the gear shaft, so that the hydraulic sleeve 2105 can move on the gear shaft; a second coupling 2101 fixedly disposed on a side of the hydraulic sleeve 2105 adjacent to the circumferential groove, the second coupling 2101 being selectively engaged with the first coupling 2102; a separating lever 2103, the big end of which is clamped in the circumferential groove, the middle part of the separating lever 2103 is detachably fixed on the bracket through a pin 2104, and the small end of the separating lever 2103 can rotate around the middle part of the separating lever 2103; the spiral spring 2106 is sleeved on the outer side of the hydraulic sleeve 2105, one end of the spiral spring 2106 is fixed on the support 2107, the other end of the spiral spring 2106 is propped against the large end of the separating lever 2103, the spiral spring 2106 is provided with a pre-tightening effect on the installation position so as to ensure the tight connection between the second coupler 2101 and the first coupler 2102 and prevent the tight connection from loosening, and the hydraulic sleeve 2105 can effectively slow down the impact operation of the five-element corn harvester on the first clutch coupler 153 during working, so that the power transmission is influenced, and the harvesting efficiency is further influenced.
In this embodiment, the first coupling 2102 and the second coupling 2101 are jaw couplings.
As shown in fig. 8, 9, 10 and 11, the five-element ear picking and cutting table device 170 is respectively and correspondingly arranged at the front ends of the five-element ear pressing and conveying devices 140 and is used for harvesting corn ears; the five-element ear picking and cutting table 170 device comprises two ear picking and cutting table motors 171 and 172, two pairs of first ear picking and cutting tables 174, a second ear picking and cutting table 175 and a second clutch coupling device 176; wherein, the two pairs of first ear picking cutting tables 174, the second ear picking cutting table 175, the two ear picking cutting table motors 171 and 172 and the second clutch coupling device 176 are all arranged on the suspension supporting frame 173, the ear picking cutting table motor 171 is used for driving one pair of ear picking cutting tables 174 to operate, and the ear picking cutting table motor 172 is used for driving the other pair of ear picking cutting tables 174 and the second ear picking cutting table 175 to operate.
The first ear picking header 174 and the second ear picking header 175 each include: a transmission shaft 202 rotatably provided on the suspension bracket 173; a first pair of bevel gears 205 spaced apart on the drive shaft 202; a second pair of bevel gears 204 fixed to the drive shaft 202 with respect to the first pair of bevel gears 205, respectively; a third pair of bevel gears 211 respectively intermeshed with the first pair of bevel gears 205; a pair of stalk rolls 212 connected to the third pair of bevel gears 211, respectively; a fourth pair of bevel gears 208 intermeshed with the second pair of bevel gears 204, respectively; two sixth cylindrical gears 209 fixed to the fourth pair of bevel gears 208, respectively; two cutting frames 213 vertically fixed to the suspension support frame 173, and the two cutting frames 213 are respectively disposed at one sides of the two sixth cylindrical gears 209; two seventh spur gears fixed to the two stages 213, respectively; two reel chains 210 respectively sleeved outside the two seventh cylindrical gears and the two sixth cylindrical gears 209; the ear picking and cutting table motor 171 further includes: a worm 201 connected to an output shaft of the ear picking and cutting table motor 171; a worm wheel 203, which is meshed with the worm 201, and two ends of the worm wheel 203 are respectively fixed on a transmission shaft of the first ear picking and cutting table; the second clutch coupling 176 is disposed between the drive shaft 202 of the other pair of ear picking stages 174 and the power input drive shaft 215 of the second ear picking stage 175, and the second clutch coupling 176 has the same structure as the first clutch coupling 153.
As shown in fig. 12 and 13, the lead angle of the worm 201 satisfies:
Tanγ＝z 1 ·p 1 /d 1 ；
wherein gamma is the lead angle of the worm, z 1 For the number of worm heads, p 1 For the axial pitch of the worm, d 1 Is the diameter of the pitch circle of the worm.
In order to meet the requirement that the worm and gear structure has better self-locking performance, the worm transmission should take z 1 The gear structure is easy to realize the requirement of large transmission ratio of worm and gear while meeting the requirement that gamma is less than 3 DEG 17', has better self-locking performance, and meets the requirement of reverse transmission self-locking function of the worm and gear structure in transmission through the calculation formula, namely, the worm 201 can drive the worm 203 to rotate in the forward direction, the worm 203 can not drive the worm 201 to rotate in the reverse direction, the transmission structure of the worm 201 and the worm 203 can meet the power moment increasing requirement of driving the ear picking cutting table 170 by the two ear picking cutting table motors 171 and 172, and meanwhile, the impact on the two ear picking cutting table motors 171 and 172 caused by blocking and reversing of the stalk pulling roller 212 can be effectively prevented by utilizing the reverse transmission self-locking function of the worm and gear structure, so that motor damage is avoided.
The five-element corn harvester of the invention further comprises: a returning device 180 which is hinged to the lower part of the frame 100 in a lifting manner; further Tian Dianji 181, an output gear is fixed on the output shaft thereof; the power output gear of the returning motor 181 is meshed with a bevel gear 182 fixed on the central shaft of the returning device, and is used for driving the returning device 180 to rotate, the stalks are crushed and covered in the field through the telling rotation of the rotary blade, and the stalks and stubble parts can be effectively cut and chopped through adjusting the real-time rotating speed of the returning motor 181, so that the ideal effects of returning the stalks and crushing the stubble are achieved; the rotor output bevel gear 506 of Tian Dianji 181 is fixed to the bearing outer ring 505 of the one-way clutch, and the assembly direction of the one-way clutch and the rotation direction of the motor rotor are as shown in fig. 14. When the returning motor 181 works normally, the rotor 501 of Tian Dianji rotates to drive the bearing inner ring 502 fixed on the rotor to rotate at the same speed, at the moment, the steel ball 504 in the one-way clutch rotates in the opposite direction, the spiral spring 503 is compressed, the bearing outer ring 505 is in a locking state, and then the bevel gear 506 is driven to rotate in the same direction, and finally the bevel gear 182 is driven to drive the returning device 108 to operate normally; when the field returning device 108 receives the impact of the foreign matter to enable the bevel gear 182 to reversely rotate, the bevel gear 506 and the bearing outer ring 505 are driven to reversely rotate, the steel ball 504 and the spiral spring 503 are restored to the initial positions in the figure, the bearing inner ring 502 and the rotor 501 do not rotate along with the steel ball and the spiral spring, and the field returning motor 181 is protected from reverse impact.
The cluster storage device is connected with the auger 130 and is used for conveying and storing clusters; the cluster storage device specifically comprises: a lifter 191 having one end connected to an outlet of the auger 130; the upper end of the lifter 191 drives the lifter roller gear 193 to rotate through the lifter motor 192, so that the operation of the lifter is realized, and the efficiency of corn ear box returning and the box falling position are well ensured by adjusting the real-time rotating speed of the lifter motor 192; a speed reducer 199 is also meshed with the elevator motor 192, so that the elevator is more stable; a blower 194, the interior of which is provided with a blower through a blade, for blowing out the ear lotus leaf pipe 198; the blower motor 195 transmits power to the blower blade central shaft gear 196 through a belt or a chain so as to drive the blades to operate, and the residual bracts and sundries which are not quantitative and are conveyed to the top of the elevator can be effectively blown to the cluster lotus leaf pipeline by adjusting the real-time rotating speed of the blower motor 195 so as to be as clear as possible; and a corn ear box 197 fixed to the upper part of the rear end of the frame 100, wherein the corn ear box 197 is correspondingly arranged at the lower part of the other end of the lifter 191.
The generator is connected with the auger motor 130, the first peeling motors 141a and 141b, the second peeling motor 142, the first pressure transmitter motor 151, the second pressure transmitter motor 152, the returning motor 181 and the two ear picking and cutting table motors 171 and 172, and is used for providing power for motor driving matching devices.
In this embodiment, the hydraulic lifting system 133 controls the height adjustment of the ground clearance between the grain recovery tank 141 and the five-element ear picking and cutting table device 170 when the five-element corn harvester is in operation.
In this embodiment, the power of the generator 101 is not less than 24KW, the power of the ear picking and cutting table motor 172 is not less than 7.5KW, the power of the first pusher motor is not less than 500W, the power of the second pusher motor is not less than 750W, the power of the first peeling motors 141a and 141b is not less than 2.2KW, and the power of the second peeling motor 142 is not less than 1.5KW.
In this embodiment, the separation of the first coupling 2102 and the second coupling 2101 can be selectively controlled by pulling the separation lever of the first clutch coupling 153 and the second clutch coupling 176, so as to control the ear pressing device and the ear picking header of the fifth row to stop running, and simultaneously, the second peeling motor 142 is turned off, so that the corn harvester of the fifth row is changed into the corn harvester of the fourth row, and the power output of the engine and the motor is effectively reduced, thereby improving the driving power requirement of the vehicle of the corn harvester during the cultivation of the wetland and avoiding the slipping phenomenon caused by the soil.
Through the arrangement of the first clutch coupling device 153 and the second clutch coupling device 176, the number of driving motors of the five-element corn harvester can be effectively reduced, the manufacturing cost of the corn harvester is reduced, and meanwhile, the dynamic requirements of the five-element corn harvester under different cultivation environments can be effectively regulated.
The five-element corn harvester based on the motor-driven matching device is designed and developed by the invention, and the matching devices such as the ear picking header, the ear pressing transmitter, the peeling mechanism, the auger, the lifter, the blower and the like are directly driven by the motor, so that the chain transmission mechanism of the traditional corn harvester is greatly simplified. The motor-driven five-element corn harvester can adjust the working line number in real time according to the field cultivation condition, and the dynamic requirement of the corn harvester is always ensured. Meanwhile, the characteristics of quick response, high efficiency and the like of the motor are utilized, the continuous operation stability and reliability of the corn harvester are improved, and meanwhile, the dynamic property and the fuel economy of the corn harvester can be greatly ensured.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown, it is well suited to various fields of use for which the invention is suited, and further modifications may be readily made by one skilled in the art, and the invention is therefore not to be limited to the particular details and examples shown and described herein, without departing from the general concepts defined by the claims and the equivalents thereof.
Claims (10)
1. Five-element corn harvester based on motor drive supporting device, characterized by comprising:
a frame; and
a power device arranged on the frame;
the screw feeder is hinged to the front end of the frame in a lifting manner;
the screw feeder motor is arranged at one side of the screw feeder and used for driving the screw feeder to rotate;
the five-element peeling mechanism is arranged at the front end of the screw feeder and is connected with the inlet of the screw feeder, and the five-element peeling mechanism comprises two pairs of first peeling mechanisms and second peeling mechanisms;
the two first peeling motors are respectively connected with the two pairs of first peeling mechanisms;
the second peeling motor is connected with the second peeling mechanism;
five-element ear pressure feeders are respectively arranged at the upper parts of the five-element peeling mechanisms in a one-to-one correspondence manner, and each five-element ear pressure feeder comprises two pairs of first ear pressure feeders and second ear pressure feeders;
a first conveyor motor connected to the first pair of first ear conveyors;
a second conveyor motor connected to the second pair of first ear conveyors;
a first clutch coupling means disposed between the second pair of first and second ear pressure transmitters for powered engagement or disengagement between the second pair of first and second ear pressure transmitters;
the five-element ear picking and cutting table devices are respectively arranged at the front ends of the five-element ear pressing and conveying devices in a one-to-one correspondence manner and are used for harvesting corn ears;
the cluster storage device is connected with the auger and is used for conveying and storing clusters;
the power device supplies power to the auger motor, the two first peeling motors, the second peeling motors, the first pressure transmitter motor, the second pressure transmitter motor and the five-element ear picking and cutting table device.
2. The five-element corn harvester based on a motor driven kit of claim 1, further comprising:
a cab fixed to an upper portion of a front end of the frame;
the seed recovery box is arranged at the lower part of the five-element peeling mechanism;
the returning device is hinged to the lower part of the frame in a lifting manner;
and the returning motor is connected with the returning device and used for driving the returning device to rotate.
3. The five-element corn harvester based on a motor driven kit as recited in claim 2, wherein said first and second peeling mechanisms each comprise:
the two brackets are symmetrically arranged on the seed recovery box at intervals;
at least two peeling rollers arranged in parallel and at intervals between the two brackets;
the peeling cylinder gears are respectively fixed at one ends of the at least two peeling rollers in a one-to-one correspondence manner, and the at least two peeling cylinder gears are meshed with each other;
a first cylindrical gear provided at one end of any one of the peeling rollers;
and one end of the first chain is sleeved on the outer side of the first cylindrical gear.
4. The five-element corn harvester based on a motor driven kit as in claim 3, wherein said first peeling motor further comprises:
the second cylindrical gear is fixed on the output shaft of the first peeling motor;
the third cylindrical gear is parallel to the second cylindrical gear and is fixed on the output shaft of the first peeling motor;
the second peeling motor further includes:
a fourth cylindrical gear fixed on the output shaft of the second peeling motor;
the other ends of the first chains are sleeved on the outer sides of the second cylindrical gear, the third cylindrical gear and the fourth cylindrical gear in a one-to-one correspondence mode respectively.
5. The five-element corn harvester based on a motor driven kit of claim 4, wherein the first ear pressure transmitter and the second ear pressure transmitter each comprise:
the star wheel shafts are arranged at the upper parts of the two brackets at intervals in parallel, and the star wheel shafts and the peeling rollers are mutually perpendicular;
at least two cylindrical pressing gears which are respectively and correspondingly fixed at one ends of the at least two star wheel shafts;
at least one second chain is respectively sleeved on the outer sides of the at least two pressing cylindrical gears in sequence.
6. The five-element corn harvester based on a motor drive kit as in claim 5, wherein the first and second pinch motors each comprise:
two fifth cylindrical gears which are fixed in parallel on the output shaft of the first or second presser motor;
and the two third chains are respectively sleeved on the outer sides of any one of the two fifth cylindrical gears and the two pairs of first ear pressure transmitters.
7. The five-element corn harvester based on a motor drive kit as in claim 6, wherein said first clutch coupling means comprises:
the first coupler is fixed at one end of any star wheel shaft of the second cluster press transmitter;
one end of the gear shaft is fixed at the other end of any star wheel shaft of the second pair of first cluster pressure transmitters, and the other end of the gear shaft is opposite to the first coupler;
the support is sleeved at one end of the gear shaft;
the hydraulic sleeve is movably sleeved at the other end of the gear shaft, and a circumferential groove is formed in the outer side of the hydraulic sleeve;
a second coupling provided on a side of the hydraulic sleeve adjacent to the circumferential groove, and selectively engaged with the first coupling;
the large end of the separating lever is clamped in the circumferential groove, the middle part of the separating lever is detachably fixed on the bracket, and the small end of the separating lever can rotate around the middle part of the separating lever;
and the spiral spring is sleeved on the outer side of the hydraulic sleeve, one end of the spiral spring is fixed on the support, and the other end of the spiral spring is propped against the large end of the separating lever.
8. The five-element corn harvester based on the motor-driven mating device of claim 7, wherein the five-element ear picking and cutting table device comprises two pairs of first ear picking and cutting tables, a second ear picking and cutting table, two ear picking and cutting table motors and a second clutch coupling device;
wherein, the two pairs of first ear picking cutting tables, the second ear picking cutting tables, the two ear picking cutting table motors and the second clutch coupling devices are all arranged on the suspension support frame;
the first ear picking header and the second ear picking header each comprise:
the transmission shaft is rotatably arranged on the suspension support frame;
a first pair of bevel gears disposed spaced apart on the drive shaft;
a second pair of bevel gears fixed to the drive shaft with respect to the first pair of bevel gears, respectively;
a third pair of bevel gears respectively intermeshed with the first pair of bevel gears;
a pair of stalk rolls connected to the third pair of bevel gears, respectively;
a fourth pair of bevel gears respectively intermeshed with the second pair of bevel gears;
two sixth cylindrical gears fixed to the fourth pair of bevel gears, respectively;
the two cutting tables are vertically fixed on the suspension support frame and are respectively arranged on one side of the two sixth cylindrical gears;
two seventh cylindrical gears fixed on the two cutting tables respectively;
the two reel chains are respectively sleeved outside the two seventh cylindrical gears and the two sixth cylindrical gears;
the ear picking and cutting table motor further comprises:
the worm is connected with the output shaft of the motor of the ear picking and cutting table;
the worm wheel is meshed with the worm, and two ends of the worm wheel are respectively fixed on a transmission shaft of the first ear picking header;
the second clutch coupling device is arranged between the transmission shaft of the first ear picking cutting table and the transmission shaft of the second ear picking cutting table, and the second clutch coupling device has the same structure as the first clutch coupling device.
9. The five-element corn harvester based on a motor driven kit as in claim 8, wherein said power means comprises:
the engine is arranged on the frame and used for providing power for the five-element corn harvester;
the power generator is connected with the engine, and is connected with the auger motor, the two first peeling motors, the second peeling motors, the first pressure transmitter motor, the second pressure transmitter motor, the returning motor and the two ear picking and cutting table motors, and is used for providing power for motor driving matching devices.
10. The five-element corn harvester based on a motor driven kit as in claim 9, wherein the lead angle of the worm meets:
Tanγ＝z 1 ·p 1 /d 1 ；
wherein gamma is the lead angle of the worm, z 1 For the number of worm heads, p 1 For the axial pitch of the worm, d 1 Is the diameter of the pitch circle of the worm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310227965.3A CN116267204A (en) | 2023-03-10 | 2023-03-10 | Five-element corn harvester based on motor driving matching device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310227965.3A CN116267204A (en) | 2023-03-10 | 2023-03-10 | Five-element corn harvester based on motor driving matching device |
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| CN116267204A true CN116267204A (en) | 2023-06-23 |
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| CN202310227965.3A Pending CN116267204A (en) | 2023-03-10 | 2023-03-10 | Five-element corn harvester based on motor driving matching device |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014068569A (en) * | 2012-09-27 | 2014-04-21 | Kubota Corp | Corn harvester |
| CN218302311U (en) * | 2022-10-31 | 2023-01-17 | 辽宁宁越农机装备有限公司 | Motor driving mechanism of matched device of corn harvester |
-
2023
- 2023-03-10 CN CN202310227965.3A patent/CN116267204A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014068569A (en) * | 2012-09-27 | 2014-04-21 | Kubota Corp | Corn harvester |
| CN218302311U (en) * | 2022-10-31 | 2023-01-17 | 辽宁宁越农机装备有限公司 | Motor driving mechanism of matched device of corn harvester |
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