CN117958018A - Leveling chassis of electrically-driven small corn kernel harvester for hills and mountains - Google Patents
Leveling chassis of electrically-driven small corn kernel harvester for hills and mountains Download PDFInfo
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- CN117958018A CN117958018A CN202410311982.XA CN202410311982A CN117958018A CN 117958018 A CN117958018 A CN 117958018A CN 202410311982 A CN202410311982 A CN 202410311982A CN 117958018 A CN117958018 A CN 117958018A
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Abstract
The invention discloses a leveling chassis of an electrically driven small corn kernel harvester for hills and mountains, which aims to solve the problems that the existing corn harvester is difficult to operate in the hills and mountains, has side turning risks, is large in vibration in the operation process, pollutes the field environment and the like. Two hydraulic cylinders are arranged in the front-back direction between the upper chassis frame assembly and the middle chassis frame assembly and are responsible for the left-right longitudinal leveling of the harvester body; two hydraulic cylinders are arranged between the middle chassis frame assembly and the lower chassis frame assembly in the left-right direction and are responsible for longitudinal leveling of the front and rear of the harvester body; leveling in the two directions does not interfere with each other. The chassis is electrically driven, so that a transmission system of the harvester is simplified, and the vibration of a vehicle body and the pollution to the field environment in the operation process of the harvester are reduced. The design is beneficial to improving the adaptability of the harvester to the field environment in hilly areas and guaranteeing the harvesting quality.
Description
Technical Field
The invention belongs to the technical field of agricultural machinery corn harvesting, and particularly relates to a leveling chassis of an electrically-driven small corn kernel harvester for hills and mountains.
Background
Mechanized harvesting of corn is an important component of the whole process of corn mechanization, but the area of hilly mountain areas is large, so that a considerable proportion of the cultivated land is located in severe environments such as hilly mountain areas. Nowadays, there are fresh corn grain harvesters with the function of leveling the vehicle body developed for hilly and mountain lands in the domestic market, and most foreign mountain harvesting machines are large machines, so that the corn grain harvesters are not suitable for the environments of small plots in the hilly and mountain lands in the domestic market. In addition, the existing corn harvester basically adopts an internal combustion engine to provide power, so that not only is the farmland environment polluted, but also the working quality of the harvester is reduced due to vibration of the internal combustion engine. Therefore, the invention has important significance in electrically driving the leveling chassis of the small corn kernel harvester for hills and mountains.
Disclosure of Invention
The technical problems to be solved by the invention are that in the prior art, a harvester is difficult to operate in hilly and hilly fields, the operation quality is poor, and the harvester is easy to turn over in the operation process. An electrically driven leveling chassis for small corn kernel harvesters in hills and mountains is provided.
An electrically-driven leveling chassis of a small corn kernel harvester for hills, mountains and hills comprises an upper chassis frame assembly, a middle chassis frame assembly, a lower chassis frame assembly and a walking steering assembly.
The upper chassis frame assembly is positioned at the uppermost end of the whole harvester chassis and is used for installing a header, a cab, a threshing and cleaning device, a granary and the like; the middle chassis frame assembly is positioned below the upper chassis frame assembly and above the lower chassis frame assembly, is used for connecting the lower part of the upper chassis frame assembly and the lower chassis frame assembly, and is matched with the lower part of the upper chassis frame assembly and the lower chassis frame assembly to finish the leveling operation of the harvester chassis, and the front part of the middle chassis frame assembly is connected with a plate spring at the front part of the walking steering assembly; the lower chassis frame assembly is positioned below the middle chassis frame assembly, the lower chassis frame assembly and the middle chassis frame assembly are hinged through a pin shaft and can rotate relatively at the joint, and the lower chassis frame assembly is connected with a plate spring in the rear part of the walking steering assembly; the walking steering assembly is positioned at the lowest part of the chassis of the whole harvester and is divided into a front part and a rear part and is responsible for the running and steering of the whole harvester.
The upper chassis frame assembly main body is formed by welding rectangular section steel pipes and comprises a base frame, a front frame, a rear frame, a battery, a power motor, a front mounting frame, a mud guard, a front ladder, a rear ladder, an upper rear mounting seat, an upper front mounting seat, a front connecting hole and a rear connecting hole;
The whole base frame is formed by welding steel pipes with rectangular cross sections, is positioned at the lowest part of the whole upper chassis frame assembly, is a base of the whole upper chassis frame assembly, and is welded with a front frame and a rear frame;
The front frame whole body is formed by welding steel pipes with rectangular cross sections, is positioned at the front end above the whole upper chassis frame assembly, is integrally arranged on the base frame through welding, and is integrally wider than the base frame;
the rear frame through body is formed by welding steel pipes with rectangular cross sections, is positioned at the rear end above the whole upper chassis frame assembly and the rear end of the front frame, is integrally arranged on the base frame through welding, and is integrally wider than the base frame;
The battery is a power source of the whole harvester, and the whole body is arranged at the front end inside the front frame;
The power motor is fixed at the rear end of the inside of the front frame through a bolt, the input end of the power motor is connected with a battery through an electric wire, and the output power is used for driving an operation part above the chassis of the harvester to harvest, threshing and cleaning;
the front mounting frame is formed by welding a steel pipe with a rectangular section and a steel plate, is vertically arranged at the front end of the front frame through welding, and is welded with a connecting plate for hanging operation components such as a header elevator and the like;
The number of the mud guards is 4, the mud guards are formed by bending steel plates with the thickness of 2mm twice, wherein 2 mud guards are symmetrically arranged on the front frame in a left-right mode and are symmetrically arranged on the rear frame in a left-right mode, and the 4 mud guards are respectively arranged above 4 wheels;
the front ladder whole body is formed by welding rectangular section steel pipes, the upper end of the front ladder whole body is arranged at the front part of the left side of the front frame through welding, and the front end of the front ladder whole body is welded at the side surface of the front mounting frame through one rectangular section steel pipe;
the rear ladder whole body is formed by welding steel pipes with rectangular cross sections, the shape of the rear ladder whole body is the same as that of the front ladder, and the upper end of the rear ladder whole body is arranged at the rear part of the left side of the front frame by welding;
The upper rear mounting seat consists of two steel sheets with round holes with the diameter of 25mm, and is welded on the side surface of the steel pipe on the right side inside the rear frame for mounting the transverse rear oil cylinder;
the shape and the size of the upper front mounting seat are the same as those of the upper rear mounting seat, and the upper front mounting seat is arranged on the right side inside the base frame by welding and is used for mounting the transverse front oil cylinder;
The front connecting hole is a circular through hole with the diameter of 60mm and is positioned in the middle of the forefront end of the base frame and used for connecting the front swinging plate through a pin shaft;
the rear connecting hole is a circular through hole with the diameter of 40mm and is positioned in the middle of the rearmost end of the base frame and used for connecting the rear swinging plate through a pin shaft.
The middle chassis frame assembly comprises a main frame, a front swinging plate, a rear swinging plate, a transverse front oil cylinder, a transverse rear oil cylinder, a transverse front oil cylinder lower mounting seat, a transverse rear oil cylinder lower mounting seat, a longitudinal left oil cylinder, a longitudinal right oil cylinder, a longitudinal left oil cylinder upper mounting seat, a longitudinal right oil cylinder upper mounting seat, a lower chassis frame connecting plate and a front mounting seat assembly;
The main frame body is formed by welding steel pipes with rectangular cross sections, and a plurality of connecting plates are welded on the main frame body and are used for installing an oil cylinder or connecting other parts of the leveling chassis;
The front swinging plate is formed by cutting and punching a steel plate with the thickness of 40mm, the steel plate is hexagonal in shape as a whole, two corners of the upper part of the rectangle are cut by one cutter, a circular through hole with the diameter of 60mm is formed in the upper parts of the left middle part and the right middle part, and the lower end of the circular through hole is arranged at the forefront end of the main frame through welding; the front connecting hole is used for connecting with the middle of the forefront end of the base frame in the upper chassis frame assembly through a pin shaft;
The rear swing plate consists of two hexagonal steel plates with the same shape and the same thickness of 20mm, wherein the upper parts of the left and right middle parts of the rear swing plate are respectively provided with 1 circular through holes with the diameter of 40mm, and the lower ends of the rear swing plate are arranged on the front side and the rear side of a steel pipe at the rearmost end of the main frame through welding; the rear connecting hole is used for being connected with the rear connecting hole in the middle of the rearmost end of the base frame in the upper chassis frame assembly through a pin shaft;
the transverse front oil cylinder is positioned at the front part of the left side of the main frame, the upper end of the transverse front oil cylinder is arranged on the upper front mounting seat through a pin shaft, and the lower end of the transverse front oil cylinder is fixed on the lower mounting seat of the transverse front oil cylinder through a pin shaft; the piston stretches and contracts to realize left and right leveling of the harvester body;
The transverse rear oil cylinder is positioned at the rear part of the left side of the main frame, the upper end of the transverse rear oil cylinder is arranged on the upper rear mounting seat through a pin shaft, and the lower end of the transverse rear oil cylinder is fixed on the lower mounting seat of the transverse rear oil cylinder through a pin shaft; the left and right leveling of the harvester body is realized by matching with the transverse front oil cylinder and extending and retracting the piston;
the lower mounting seat of the transverse front oil cylinder consists of two steel plates with the thickness of 20mm and the center provided with a circular through hole with the diameter of 25mm, and the steel plates are arranged in the front end of the left side of the main frame by welding and are used for fixing the upper end of the transverse front oil cylinder through a pin shaft;
The lower mounting seat of the transverse rear oil cylinder is the same in size and shape as the lower mounting seat of the transverse front oil cylinder, is arranged in the rear end of the left side of the main frame by welding and is used for fixing the upper end of the transverse rear oil cylinder through a pin shaft;
The upper ends of the longitudinal left oil cylinder and the longitudinal right oil cylinder are respectively arranged on the left side and the right side of the rear end of the main frame, the upper ends of the longitudinal left oil cylinder and the longitudinal right oil cylinder are respectively arranged on an upper mounting seat of the longitudinal left oil cylinder and an upper mounting seat of the longitudinal right oil cylinder through pin shafts, and the lower ends of the longitudinal left oil cylinder and the longitudinal right oil cylinder are respectively arranged on lower mounting seats of the longitudinal oil cylinders which are respectively arranged on the left side and the right side of the main body of the lower chassis frame through pin shafts; the piston stretches and contracts to realize leveling operation in the front-back direction of the harvester body;
the upper mounting seats of the longitudinal left oil cylinder and the upper mounting seats of the longitudinal right oil cylinder are respectively arranged at the outer sides of the middle rear part of the left side and the right side of the rear end of the main frame through welding, are rectangular steel plates with round through holes in the middle, and are used for fixing the upper ends of the longitudinal left oil cylinder and the longitudinal right oil cylinder through pin shafts;
The lower chassis frame connecting plate consists of 4 steel plates with the thickness of 20mm and the upper end provided with circular through holes, wherein two groups of steel plates are respectively arranged on the left side and the right side of the rear end of the main frame through welding, and the circular through holes are downward and correspond to each other; the lower chassis frame assembly is connected with the lower chassis frame assembly through a pin shaft;
The 2 front mounting seat assemblies are respectively composed of a rectangular section steel pipe and a steel plate with a round hole, the upper end face of the rectangular section steel pipe is fixed on the lower end face of the rear part of the main frame through welding, and the total components of the 2 front mounting seat assemblies are arranged on the left side and the right side of the main frame and used for fixing the front part in the walking steering assembly;
The lower chassis frame assembly comprises a lower chassis frame main body, a rear mounting seat assembly, 2 longitudinal oil cylinder lower mounting seats and 2 hinge holes;
the whole lower chassis frame body is formed by welding steel pipes with rectangular cross sections, the whole lower chassis frame body is half of the main frame, the width of the lower chassis frame body is the same as that of the main frame, and the top ends of the two overhanging steel pipes at the forefront end are arc-shaped;
the rear mounting seat assembly consists of 4 mounting seats, and 2 components of the mounting seats are arranged at the left and right sides of the rear part and the middle part of the chassis frame main body and are respectively fixed on the chassis frame main body through bolts; for mounting the rear portion in the walking steering assembly;
The lower mounting seats of the 2 longitudinal oil cylinders are steel plates with round holes and are welded and mounted at the lowest part of the middle part of the lower chassis frame main body so as to fix the longitudinal left oil cylinder and the longitudinal right oil cylinder;
The 2 hinge holes are round through holes with the diameter of 32mm, are positioned on the side surfaces of two overhanging rectangular section steel pipes at the forefront, left and right of the lower chassis frame main body and are connected with the middle chassis frame assembly through pin shafts;
the walking steering assembly comprises a front part and a rear part;
The front part is arranged at the lowest part of the front part of the harvester chassis, is arranged at the bottom of the middle chassis frame assembly through a front part mounting seat assembly and comprises a plate spring, a steering assembly, wheels, a main shaft, a motor, a reversing speed reducer and a transfer case;
The rear part is arranged at the lowest part of the rear part of the harvester chassis and is connected with the lower chassis frame assembly through the rear part mounting seat assembly, and the integral structure of the rear part has the same composition and size as the front part and is used for being matched with the front part to realize the running and steering of the harvester;
The number of the leaf springs is 4, the leaf springs are respectively arranged above 4 wheels, the upper ends of the leaf springs are respectively arranged on the front mounting seat assembly and the rear mounting seat assembly, the middle of the lower part of the leaf springs is fixed on the left side and the right side of the middle parts of the front main shaft and the rear main shaft through bolts and clamps, and the leaf springs play a role in vibration reduction when connecting the walking steering assembly with the middle chassis frame assembly and the lower chassis frame assembly;
The steering assemblies are provided with 2 sets, are respectively arranged on the front part and the rear part and comprise steering pull rods, steering power-assisted oil cylinders and the like, and the front and rear sets of steering assemblies are matched to realize four-wheel steering of a chassis of the harvester;
the number of wheels is 4, the wheels are respectively arranged at two ends of 2 main shafts of the chassis of the harvester, which are close to four corners, and the two ends comprise a hub, a tire and the like, and the wheels are mutually matched to realize four-wheel drive and four-wheel steering of the harvester;
the main shaft is divided into front and rear 2 parts, the outermost sides of the two ends are connected with wheels, a steering assembly is fixed above the main shaft, and parts such as a transmission shaft and the like are arranged in the main shaft;
The number of the motors is 2, the motors are respectively fixed on the front main shaft and the rear main shaft, the electric power input end is connected with a battery, the power output end is connected with a reversing speed reducer, and the reversing speed reducer is used for providing power for the walking part of the whole harvester and driving the wheels to rotate;
The number of the reversing speed reducers is 2, the reversing speed reducers are respectively fixed on the front main shaft and the rear main shaft, the power input end of the reversing speed reducers is connected with the output shaft end of the motor, and the power output end of the reversing speed reducers is connected with the transfer case and is used for reducing the speed and increasing the torque of the power output by the output shaft of the motor and reversing the power output by the motor;
The transfer case has 2, installs respectively on installing respectively in 2 front and back main shafts, and power input end connection reversing speed reducer's power take off end divides the power that reversing speed reducer transmitted to the transmission shaft of main shaft inside left and right sides on, will power the transmission shaft and carry to wheel department, drive wheel rotates, drives whole harvester and traveles.
Compared with the prior art, the invention has the beneficial effects that:
1. by adopting electric drive, not only the pollution of the internal combustion engine to the field and the atmosphere is avoided, but also the vibration of the whole harvester is reduced, and the working quality of the whole harvester can be improved.
2. By adopting the four-wheel steering design, the trafficability of the whole harvester in the field operation can be improved, the turning radius can be reduced, and the whole harvester is more flexible.
3. The operation part and the walking part are driven by motors, and the operation part and the front and rear wheels are driven by independent motors, so that a power transmission system of the whole harvester is simplified, the quality of the whole harvester is reduced, and the stability of power output of the operation part is improved.
4. The leveling operation of the chassis of the harvester is realized by adopting two groups of hydraulic cylinders of the three layers of chassis, so that the mutual interference between transverse leveling and longitudinal leveling is avoided, and the control is easy.
5. Compared with the traditional harvester without vibration reduction, the plate spring vibration reduction device has the advantages that the running operation stability of the harvester body can be guaranteed to the greatest extent when the uneven land at the mountain hills is operated, and the operation quality can be guaranteed.
Drawings
FIG. 1 is a general assembly view of the present invention;
FIG. 2 is an isometric view of the present invention;
FIG. 3 is an isometric view of the upper chassis frame assembly of the present invention;
FIG. 4 is an isometric view of a center chassis frame assembly of the present invention;
FIG. 5 is an isometric view of a lower chassis frame assembly of the present invention;
fig. 6 is an isometric view of the travel steering assembly of the present invention.
In the figure: A. an upper chassis frame assembly; B. a middle chassis frame assembly; C. a lower chassis frame assembly; D. a walking steering assembly; 1. a base frame; 2. a front frame; 3. a rear frame; 4. a battery; 5. a power motor; 6. a front mounting rack; 7. a mud guard; 8. a front ladder; 9. a rear ladder; 10. an upper rear mounting seat; 11. an upper front mounting seat; 12. a front connection hole; 13. a rear connection hole; 14. a main frame; 15. a front swing plate; 16. a back swing plate; 17. a transverse front oil cylinder; 18. a transverse rear oil cylinder; 19. a transverse front oil cylinder lower mounting seat; 20. a transverse rear oil cylinder lower mounting seat; 21. a left longitudinal cylinder; 22. a right longitudinal cylinder; 23. mounting seats are arranged on the longitudinal left oil cylinder; 24. the upper mounting seat of the longitudinal right oil cylinder; 25. a lower chassis frame connecting plate; 26. a front mount assembly; 27. a lower chassis frame body; 28. a rear mount assembly; 29. a lower mounting seat of the longitudinal oil cylinder; 30. a hinge hole; 31. a front part; 32. a rear portion; 33. a leaf spring; 34. a steering assembly; 35. a wheel; 36. a main shaft; 37. a motor; 38. a reversing speed reducer; 39. a transfer case.
Detailed Description
Referring to fig. 1-2, an electrically driven mountain hill small corn kernel harvester leveling chassis comprises an upper chassis frame assembly (a), a middle chassis frame assembly (B), a lower chassis frame assembly (C) and a walking steering assembly (D).
The upper chassis frame assembly (A) is positioned at the uppermost end of the whole harvester chassis and is used for installing a header, a cab, a threshing and cleaning device, a granary and the like; the middle chassis frame assembly (B) is positioned below the upper chassis frame assembly (A) and above the lower chassis frame assembly (C) and is used for connecting the lower part of the upper chassis frame assembly (A) and the lower chassis frame assembly (C), and the lower part of the upper chassis frame assembly (A) and the lower chassis frame assembly (C) are mutually matched to finish the leveling operation of the harvester chassis, and the plate springs (33) at the front part (31) in the front part and the walking steering assembly (D) are connected; the lower chassis frame assembly (C) is positioned below the middle chassis frame assembly (B), the lower chassis frame assembly and the middle chassis frame assembly are hinged through a pin shaft and can rotate relatively at the joint, and the lower chassis frame assembly is connected with a plate spring (31) in the rear part (32) of the walking steering assembly (D); the walking steering assembly (D) is positioned at the lowest part of the chassis of the whole harvester and is divided into a front part (31) and a rear part (32) and is responsible for the running and steering of the whole harvester.
Referring to fig. 3, the main body of the upper chassis frame assembly (a) is formed by welding steel pipes with rectangular cross sections, and comprises a base frame (1), a front frame (2), a rear frame (3), a battery (4), a power motor (5), a front mounting frame (6), a mud guard (7), a front ladder (8), a rear ladder (9), an upper rear mounting seat (10), an upper front mounting seat (11), a front connecting hole (12) and a rear connecting hole (13);
The whole base frame (1) is formed by welding steel pipes with rectangular cross sections, is positioned at the lowest part of the whole upper chassis frame assembly (A), is a base of the whole upper chassis frame assembly (A), and is welded with a front frame (2) and a rear frame (3);
The front frame (2) is formed by welding steel pipes with rectangular cross sections, is positioned at the front end above the whole upper chassis frame assembly (A), is integrally arranged on the base frame (1) through welding, and is integrally wider than the base frame (1);
the rear frame (3) is entirely formed by welding steel pipes with rectangular cross sections, is positioned at the rear end above the whole upper chassis frame assembly (A) and the rear end of the front frame (2), is integrally arranged on the base frame (1) through welding, and is integrally wider than the base frame (1);
the battery (4) is a power source of the whole harvester, and the whole body is arranged at the front end inside the front frame (2);
the power motor (5) is fixed at the rear end of the front frame (2) through a bolt, the input end is connected with the battery (4) through a wire, and the output power is used for driving the operation part above the chassis of the harvester to harvest, threshing and cleaning;
the front mounting frame (6) is formed by welding a steel pipe with a rectangular section and a steel plate, is vertically arranged at the front end of the front frame (2) through welding, and is welded with a connecting plate for hanging operation components such as a header elevator and the like;
The number of the mud guards (7) is 4, the mud guards are formed by bending steel plates with the thickness of 2mm twice, wherein 2 mud guards are symmetrically arranged on the front frame (2) in a left-right mode and are symmetrically arranged on the rear frame (2) in a left-right mode through welding, and the 4 mud guards (7) are respectively arranged above the 4 wheels (35);
the front ladder (8) is formed by welding rectangular section steel pipes, the upper end of the front ladder is welded and mounted at the front part of the left side of the front frame (2), and the front end of the front ladder is welded on the side surface of the front mounting frame (6) through one rectangular section steel pipe;
The rear ladder (9) is formed by welding steel pipes with rectangular cross sections, the shape of the rear ladder is the same as that of the front ladder (8), and the upper end of the rear ladder is arranged at the rear part of the left side of the front frame (2) through welding;
the upper rear mounting seat (10) consists of two steel sheets with round holes with the diameter of 25mm, and is welded on the side surface of a steel tube on the right side inside the rear frame (3) for mounting a transverse rear oil cylinder (18);
The shape and the size of the upper front mounting seat (11) are the same as those of the upper rear mounting seat (10), and the upper front mounting seat is welded on the right side inside the base frame (1) for mounting a transverse front oil cylinder (17);
The front connecting hole (12) is a circular through hole with the diameter of 60mm and is positioned at the middle position of the forefront end of the base frame (1) and is used for connecting the front swinging plate (15) through a pin shaft;
the rear connecting hole (13) is a circular through hole with the diameter of 40mm and is positioned in the middle of the rearmost end of the base frame (1) and is used for connecting the rear swinging plate (16) through a pin shaft.
Referring to fig. 4, the middle chassis frame assembly (B) includes a main frame (14), a front swing plate (15), a rear swing plate (16), a transverse front cylinder (17), a transverse rear cylinder (18), a transverse front cylinder lower mount (19), a transverse rear cylinder lower mount (20), a longitudinal left cylinder (21), a longitudinal right cylinder (22), a longitudinal left cylinder upper mount (23), a longitudinal right cylinder upper mount (24), a lower chassis frame connecting plate (25) and a front mount assembly (26);
the whole main frame (14) is formed by welding rectangular section steel pipes, and a plurality of connecting plates are welded on the main frame and are used for installing an oil cylinder or connecting other parts of a leveling chassis;
The front swinging plate (15) is formed by cutting and punching a steel plate with the thickness of 40mm, the steel plate is hexagonal in shape as a whole, two corners of the upper part of the rectangle are cut by a cutter, a circular through hole with the diameter of 60mm is formed in the upper parts of the left middle part and the right middle part, and the lower end of the circular through hole is arranged at the foremost end of the main frame (14) through welding; the front connecting hole (12) is used for connecting with the middle of the forefront end of the base frame (1) in the upper chassis frame assembly (A) through a pin shaft;
The rear swinging plate (16) consists of two hexagonal steel plates with the same shape and thickness of 20mm, the upper parts of the left and right middle parts of the rear swinging plate are respectively provided with 1 circular through hole with the diameter of 40mm, and the lower ends of the rear swinging plate are arranged on the front side and the rear side of the steel pipe at the rearmost end of the main frame (14) through welding; the rear connecting hole (13) is used for connecting with the middle of the rearmost end of the base frame (1) in the upper chassis frame assembly (A) through a pin shaft;
The transverse front oil cylinder (17) is positioned at the front part of the left side of the main frame (14), the upper end of the transverse front oil cylinder is arranged on the upper front mounting seat (11) through a pin shaft, and the lower end of the transverse front oil cylinder is fixed on the lower mounting seat (19) of the transverse front oil cylinder through a pin shaft; the piston stretches and contracts to realize left and right leveling of the harvester body;
The transverse rear oil cylinder (18) is positioned at the rear part of the left side of the main frame (14), the upper end of the transverse rear oil cylinder is arranged on the upper rear mounting seat (10) through a pin shaft, and the lower end of the transverse rear oil cylinder is fixed on the lower mounting seat (20) of the transverse rear oil cylinder through a pin shaft; the left and right leveling of the harvester body is realized by matching with a transverse front oil cylinder (17) and extending and retracting a piston;
The lower mounting seat (19) of the transverse front oil cylinder consists of two steel plates with the thickness of 20mm and the center provided with a circular through hole with the diameter of 25mm, and the steel plates are arranged in the front end of the left side of the main frame (14) through welding and are used for fixing the upper end of the transverse front oil cylinder (17) through a pin shaft;
The size and shape of the lower mounting seat (20) of the transverse rear oil cylinder are the same as those of the lower mounting seat (19) of the transverse front oil cylinder, and the lower mounting seat is arranged in the rear end of the left side of the main frame (14) through welding and is used for fixing the upper end of the transverse rear oil cylinder (17) through a pin shaft;
The longitudinal left oil cylinder (21) and the longitudinal right oil cylinder (22) are respectively arranged at the left side and the right side of the rear end of the main frame (14), the upper ends of the longitudinal left oil cylinder upper mounting seat (23) and the longitudinal right oil cylinder upper mounting seat (24) are respectively arranged at the upper ends of the longitudinal left oil cylinder upper mounting seat and the longitudinal right oil cylinder upper mounting seat through pin shafts, and the lower ends of the longitudinal left oil cylinder upper mounting seat and the longitudinal right oil cylinder upper mounting seat are respectively arranged at the lower oil cylinder lower mounting seats (29) which are respectively arranged at the left side and the right side of the lower chassis frame main body (27) through pin shafts; the piston stretches and contracts to realize leveling operation in the front-back direction of the harvester body;
the upper mounting seat (23) of the longitudinal left oil cylinder and the upper mounting seat (24) of the longitudinal right oil cylinder are respectively arranged at the outer sides of the middle rear parts of the left side and the right side of the rear end of the main frame (14) through welding, are rectangular steel plates with round through holes in the middle parts, and are used for fixing the upper ends of the longitudinal left oil cylinder (21) and the longitudinal right oil cylinder (22) through pin shafts;
The lower chassis frame connecting plate (25) consists of 4 steel plates with the thickness of 20mm and the upper end provided with circular through holes, wherein two groups of steel plates are respectively arranged on the left side and the right side of the rear end of the main frame (14) through welding, and the circular through holes are downward and correspond to each other in pairs; is used for being connected with the lower chassis frame assembly (C) through a pin shaft;
The 2 front mounting seat assemblies (26) are respectively composed of a rectangular section steel pipe and a steel plate with a round hole, the upper end face of the rectangular section steel pipe is fixed on the lower end face of the rear part of the main frame (14) through welding, and the 2 front mounting seat assemblies (26) are respectively arranged on the left side and the right side of the main frame (14) and used for fixing the front part (31) in the walking steering assembly (D);
referring to fig. 5, the lower chassis frame assembly (C) includes a lower chassis frame body (27), a rear mount assembly (28), 2 longitudinal cylinder lower mounts (29), 2 hinge holes (30);
The whole lower chassis frame main body (27) is formed by welding steel pipes with rectangular cross sections, the whole lower chassis frame main body is half of the main frame (14), the width of the lower chassis frame main body is the same as that of the main frame (14), and the top ends of the two overhanging steel pipes at the forefront end are arc-shaped;
the rear mounting seat assembly (28) consists of 4 mounting seats, and 2 groups of mounting seats are arranged on the left side and the right side of the rear part and the middle part of the chassis frame main body (27) and are respectively fixed on the chassis frame main body (27) through bolts; a rear portion (32) for mounting in a walking steering assembly (D);
the lower mounting seats (29) of the 2 longitudinal oil cylinders are steel plates with round holes, are arranged at the lowest part of the middle part of the lower chassis frame main body (27) through welding, and are used for fixing the longitudinal left oil cylinder (21) and the longitudinal right oil cylinder (22);
The 2 hinge holes (30) are round through holes with the diameter of 32mm, are positioned on the side surfaces of two overhanging rectangular section steel pipes at the forefront, left and right of the lower chassis frame main body (27) and are connected with the middle chassis frame assembly (B) through pin shafts;
Referring to fig. 6, the walking steering assembly (D) includes a front portion (31) and a rear portion (32);
The front part (31) is arranged at the lowest part of the front part of the harvester chassis, is arranged at the bottom of the middle chassis frame assembly (B) through the front part mounting seat assembly (26), and comprises a plate spring (33), a steering assembly (34), wheels (35), a main shaft (36), a motor (37), a reversing speed reducer (38) and a transfer case (39);
The rear part (32) is arranged at the lowest part of the rear part of the chassis of the harvester, is connected with the lower chassis frame assembly (C) through the rear mounting seat assembly (28), and has the same integral structure composition and size as the front part (31) so as to realize the running and steering of the harvester by being matched with the front part (31);
the number of the plate springs (33) is 4, the plate springs are respectively arranged above 4 wheels (35), the upper ends of the plate springs are respectively arranged on the front mounting seat assembly (26) and the rear mounting seat assembly (28), the middle of the lower part of the plate springs is fixed on the left side and the right side of the middle part of the front main shaft (36) and the rear main shaft (36) through bolts and hoops, and the plate springs are connected with the walking steering assembly (D), the middle chassis frame assembly (B) and the lower chassis frame assembly (C) to play a role in vibration reduction;
The steering assembly (34) is provided with 2 sets, is respectively arranged on the front part (31) and the rear part (32) and comprises a steering pull rod, a steering power-assisted oil cylinder and the like, and the front and rear sets of steering assemblies (34) are matched to realize four-wheel steering of a chassis of the harvester;
The number of wheels (35) is 4, the wheels are respectively arranged at two ends of 2 main shafts (36) of the chassis of the harvester, which are close to four corners, and the two ends comprise wheel hubs, tires and the like, and the wheels are mutually matched to realize four-wheel drive and four-wheel steering of the harvester;
The main shaft (36) is divided into front and rear 2 parts, the outermost sides of the two ends are connected with wheels (35), a steering assembly (34) is fixed above the main shaft, and parts such as a transmission shaft and the like are arranged in the main shaft;
the number of the motors (37) is 2, the motors are respectively fixed on the front main shaft (36) and the rear main shaft (36), the electric power input end is connected with the battery (4), the power output end is connected with the reversing speed reducer (38) and is used for providing power for the walking part of the whole harvester and driving the wheels (35) to rotate;
The number of the reversing speed reducers (38) is 2, the reversing speed reducers are respectively fixed on the front main shaft (36) and the rear main shaft (36), the power input end of the reversing speed reducers is connected with the output shaft end of the motor (37), and the power output end of the reversing speed reducers is connected with the transfer case (39) and is used for reducing the speed, increasing the torque and reversing the power output by the output shaft of the motor (37);
The transfer case (39) has 2, installs respectively on installing respectively on 2 front and back main shafts (36), and power input end connection reversing speed reducer (38) power take off end divides the power that reversing speed reducer (38) transmitted to the transmission shaft of main shaft (36) inside left and right sides, and the department is carried power to wheel (35) through the transmission shaft, drives wheel (35) rotation, drives whole harvester and traveles.
The working principle of the invention is as follows:
Referring to fig. 1 to 5, the working principle of the leveling chassis of the electrically driven small corn kernel harvester for hills and mountains of the present invention is as follows. The battery (4) outputs electric energy to drive the power motor (5) to rotate, the power motor (5) rotates to drive operation components at the upper part of the harvester chassis to move to finish operations such as picking, lifting, threshing and cleaning, and the like, and drive the hydraulic pump to operate, and the hydraulic pump drives pistons of a transverse front oil cylinder (17) and a transverse rear oil cylinder (18) which are arranged between the upper chassis frame assembly (A) and the middle chassis frame assembly (B) to stretch and retract, so that the left and right tilting of the upper chassis frame assembly (A) relative to the middle chassis frame assembly (B) is realized, and the left and right transverse leveling operation of the harvester body is realized; meanwhile, a longitudinal left oil cylinder (21) and a longitudinal right oil cylinder (22) which are arranged between the middle chassis frame assembly (B) and the lower chassis frame assembly (C) are driven to stretch and retract, so that the lower chassis frame assembly (C) moves up and down relative to the middle chassis frame assembly (B), and the front and back longitudinal leveling operation of the harvester body is realized.
Referring to fig. 6, the walking steering assembly (D) of the present invention operates as follows. The battery (4) outputs electric energy to drive a motor (37) arranged on a front main shaft (36) and a rear main shaft (36) to rotate, power output by the motor (37) is transmitted to a power input shaft of a reversing speed reducer (38) by a power output shaft, the power enters the reversing speed reducer (38) to realize speed reduction, torque increase and direction conversion, the power output by the power output shaft of the reversing speed reducer (38) is output by the power output shaft of the reversing speed reducer (38), the torque output by the power output shaft of the reversing speed reducer (38) is divided into two paths by a transfer case (39) to be transmitted to a power transmission shaft in the main shaft (36), and the power is transmitted to a wheel (35) by the power transmission shaft to realize the running operation of the whole harvester; meanwhile, a steering cylinder in a steering assembly (34) at the front and rear main shafts (36) receives power output by a hydraulic pump, pushes a steering pull rod to move and drives wheels to rotate, so that four-wheel drive and four-wheel steering of a chassis of the harvester are realized.
Claims (1)
1. The leveling chassis of the electrically-driven small corn kernel harvester for hills and mountains is characterized by comprising an upper chassis frame assembly (A), a middle chassis frame assembly (B), a lower chassis frame assembly (C) and a walking steering assembly (D);
The upper chassis frame assembly (A) is positioned at the uppermost end of the whole harvester chassis and is used for installing a header, a cab, a threshing and cleaning device, a granary and the like; the middle chassis frame assembly (B) is positioned below the upper chassis frame assembly (A) and above the lower chassis frame assembly (C) and is used for connecting the lower part of the upper chassis frame assembly (A) and the lower chassis frame assembly (C), and the lower part of the upper chassis frame assembly (A) and the lower chassis frame assembly (C) are mutually matched to finish the leveling operation of the harvester chassis, and the plate springs (33) at the front part (31) in the front part and the walking steering assembly (D) are connected; the lower chassis frame assembly (C) is positioned below the middle chassis frame assembly (B), the lower chassis frame assembly and the middle chassis frame assembly are hinged through a pin shaft and can rotate relatively at the joint, and the lower chassis frame assembly is connected with a plate spring (31) in the rear part (32) of the walking steering assembly (D); the walking steering assembly (D) is positioned at the lowest part of the chassis of the whole harvester and is divided into a front part (31) and a rear part (32) and is responsible for the running and steering of the whole harvester;
The upper chassis frame assembly (A) is formed by welding rectangular section steel pipes, and comprises a base frame (1), a front frame (2), a rear frame (3), a battery (4), a power motor (5), a front mounting frame (6), a mud guard (7), a front ladder (8), a rear ladder (9), an upper rear mounting seat (10), an upper front mounting seat (11), a front connecting hole (12) and a rear connecting hole (13);
The whole base frame (1) is formed by welding steel pipes with rectangular cross sections, is positioned at the lowest part of the whole upper chassis frame assembly (A), is a base of the whole upper chassis frame assembly (A), and is welded with a front frame (2) and a rear frame (3);
The front frame (2) is formed by welding steel pipes with rectangular cross sections, is positioned at the front end above the whole upper chassis frame assembly (A), is integrally arranged on the base frame (1) through welding, and is integrally wider than the base frame (1);
the rear frame (3) is entirely formed by welding steel pipes with rectangular cross sections, is positioned at the rear end above the whole upper chassis frame assembly (A) and the rear end of the front frame (2), is integrally arranged on the base frame (1) through welding, and is integrally wider than the base frame (1);
the battery (4) is a power source of the whole harvester, and the whole body is arranged at the front end inside the front frame (2);
the power motor (5) is fixed at the rear end of the front frame (2) through a bolt, the input end is connected with the battery (4) through a wire, and the output power is used for driving the operation part above the chassis of the harvester to harvest, threshing and cleaning;
the front mounting frame (6) is formed by welding a steel pipe with a rectangular section and a steel plate, is vertically arranged at the front end of the front frame (2) through welding, and is welded with a connecting plate for hanging operation components such as a header elevator and the like;
The number of the mud guards (7) is 4, the mud guards are formed by bending steel plates with the thickness of 2mm twice, wherein 2 mud guards are symmetrically arranged on the front frame (2) in a left-right mode and are symmetrically arranged on the rear frame (2) in a left-right mode through welding, and the 4 mud guards (7) are respectively arranged above the 4 wheels (35);
the front ladder (8) is formed by welding rectangular section steel pipes, the upper end of the front ladder is welded and mounted at the front part of the left side of the front frame (2), and the front end of the front ladder is welded on the side surface of the front mounting frame (6) through one rectangular section steel pipe;
The rear ladder (9) is formed by welding steel pipes with rectangular cross sections, the shape of the rear ladder is the same as that of the front ladder (8), and the upper end of the rear ladder is arranged at the rear part of the left side of the front frame (2) through welding;
the upper and rear mounting seats (10) are composed of two steel sheets with round holes with the diameter of 25mm, and are welded on the side surface of the steel tube on the right side inside the rear frame (3);
The shape and the size of the upper front mounting seat (11) are the same as those of the upper rear mounting seat (10), and the upper front mounting seat is arranged on the right side inside the base frame (1) through welding;
The front connecting hole (12) is a circular through hole with the diameter of 60mm and is positioned at the middle position of the forefront end of the base frame (1);
The rear connecting hole (13) is a circular through hole with the diameter of 40mm and is positioned at the middle position of the rearmost end of the base frame (1);
The middle chassis frame assembly (B) comprises a main frame (14), a front swinging plate (15), a rear swinging plate (16), a transverse front oil cylinder (17), a transverse rear oil cylinder (18), a transverse front oil cylinder lower mounting seat (19), a transverse rear oil cylinder lower mounting seat (20), a longitudinal left oil cylinder (21), a longitudinal right oil cylinder (22), a longitudinal left oil cylinder upper mounting seat (23), a longitudinal right oil cylinder upper mounting seat (24), a lower chassis frame connecting plate (25) and a front mounting seat assembly (26);
the whole main frame (14) is formed by welding steel pipes with rectangular cross sections, and a plurality of connecting plates are welded on the main frame;
The front swinging plate (15) is formed by cutting and punching a steel plate with the thickness of 40mm, the steel plate is hexagonal in shape as a whole, two corners of the upper part of the rectangle are cut by a cutter, a circular through hole with the diameter of 60mm is formed in the upper parts of the left middle part and the right middle part, and the lower end of the circular through hole is arranged at the foremost end of the main frame (14) through welding;
The rear swinging plate (16) consists of two hexagonal steel plates with the same shape and thickness of 20mm, the upper parts of the left and right middle parts of the rear swinging plate are respectively provided with 1 circular through hole with the diameter of 40mm, and the lower ends of the rear swinging plate are arranged on the front side and the rear side of the steel pipe at the rearmost end of the main frame (14) through welding;
the transverse front oil cylinder (17) is positioned at the front part of the left side of the main frame (14), the upper end of the transverse front oil cylinder is arranged on the upper front mounting seat (11) through a pin shaft, and the lower end of the transverse front oil cylinder is fixed on the lower mounting seat (19) of the transverse front oil cylinder through a pin shaft;
The transverse rear oil cylinder (18) is positioned at the rear part of the left side of the main frame (14), the upper end of the transverse rear oil cylinder is arranged on the upper rear mounting seat (10) through a pin shaft, and the lower end of the transverse rear oil cylinder is fixed on the lower mounting seat (20) of the transverse rear oil cylinder through a pin shaft;
The lower mounting seat (19) of the transverse front oil cylinder consists of two steel plates with the thickness of 20mm and the center provided with a circular through hole with the diameter of 25mm, and is arranged in the front end of the left side of the main frame (14) through welding;
the size and shape of the lower mounting seat (20) of the transverse rear oil cylinder are the same as those of the lower mounting seat (19) of the transverse front oil cylinder, and the lower mounting seat is arranged in the rear end of the left side of the main frame (14) through welding;
The longitudinal left oil cylinder (21) and the longitudinal right oil cylinder (22) are respectively arranged at the left side and the right side of the rear end of the main frame (14), the upper ends of the longitudinal left oil cylinder upper mounting seat (23) and the longitudinal right oil cylinder upper mounting seat (24) are respectively arranged at the upper ends of the longitudinal left oil cylinder upper mounting seat and the longitudinal right oil cylinder upper mounting seat through pin shafts, and the lower ends of the longitudinal left oil cylinder upper mounting seat and the longitudinal right oil cylinder upper mounting seat are respectively arranged at the lower oil cylinder lower mounting seats (29) which are respectively arranged at the left side and the right side of the lower chassis frame main body (27) through pin shafts;
The upper mounting seat (23) of the longitudinal left oil cylinder and the upper mounting seat (24) of the longitudinal right oil cylinder are respectively arranged at the outer sides of the middle rear parts of the left side and the right side of the rear end of the main frame (14) through welding, and are rectangular steel plates with round through holes in the middle parts;
The lower chassis frame connecting plate (25) consists of 4 steel plates with the thickness of 20mm and the upper end provided with circular through holes, wherein two groups of steel plates are respectively arranged on the left side and the right side of the rear end of the main frame (14) through welding, and the circular through holes are downward and correspond to each other in pairs;
the 2 front mounting seat assemblies (26) are respectively composed of a rectangular section steel pipe and a steel plate with a round hole, the upper end face of the rectangular section steel pipe is fixed on the lower end face of the rear part of the main frame (14) through welding, and the 2 front mounting seat assemblies (26) are respectively arranged on the left side and the right side of the main frame (14);
The lower chassis frame assembly (C) comprises a lower chassis frame main body (27), a rear mounting seat assembly (28), 2 longitudinal oil cylinder lower mounting seats (29) and 2 hinge holes (30);
The whole lower chassis frame main body (27) is formed by welding steel pipes with rectangular cross sections, the whole lower chassis frame main body is half of the main frame (14), the width of the lower chassis frame main body is the same as that of the main frame (14), and the top ends of the two overhanging steel pipes at the forefront end are arc-shaped;
The rear mounting seat assembly (28) consists of 4 mounting seats, and 2 groups of mounting seats are arranged on the left side and the right side of the rear part and the middle part of the chassis frame main body (27) and are respectively fixed on the chassis frame main body (27) through bolts;
the lower mounting seats (29) of the 2 longitudinal cylinders are steel plates with round holes and are arranged at the lowest part of the middle part of the lower chassis frame main body (27) through welding;
The 2 hinge holes (30) are round through holes with the diameter of 32mm and are positioned on the side surfaces of two overhanging rectangular section steel pipes at the forefront and the left and the right of the lower chassis frame main body (27);
The walking steering assembly (D) comprises a front part (31) and a rear part (32);
The front part (31) is arranged at the lowest part of the front part of the harvester chassis, is arranged at the bottom of the middle chassis frame assembly (B) through the front part mounting seat assembly (26), and comprises a plate spring (33), a steering assembly (34), wheels (35), a main shaft (36), a motor (37), a reversing speed reducer (38) and a transfer case (39);
the rear part (32) is arranged at the lowest part of the rear part of the harvester chassis and is connected with the lower chassis frame assembly (C) through the rear mounting seat assembly (28), and the integral structure composition and the size of the rear part (32) are the same as those of the front part (31);
The number of the plate springs (33) is 4, the plate springs are respectively arranged above 4 wheels (35), the upper ends of the plate springs are respectively arranged on the front mounting seat assembly (26) and the rear mounting seat assembly (28), and the middle of the lower part of the plate springs is fixed on the left side and the right side of the middle parts of the front main shaft (36) and the rear main shaft (36) through bolts and hoops;
the steering assembly (34) is provided with 2 sets and is respectively arranged on the front part (31) and the rear part (32) and comprises a steering pull rod, a steering power-assisted oil cylinder and the like;
The number of the wheels (35) is 4, and the wheels are respectively arranged at two ends of 2 main shafts (36) of the chassis of the harvester, which are close to four corners, and comprise a hub, a tire and the like;
The main shaft (36) is divided into front and rear 2 parts, the outermost sides of the two ends are connected with wheels (35), a steering assembly (34) is fixed above the main shaft, and parts such as a transmission shaft and the like are arranged in the main shaft;
The number of the motors (37) is 2, the motors are respectively fixed on the front and rear 2 main shafts (36), the electric power input end is connected with the battery (4), and the power output end is connected with the reversing speed reducer (38);
the number of the reversing speed reducers (38) is 2, the reversing speed reducers are respectively fixed on the front main shaft (36) and the rear main shaft (36), the power input end is connected with the output shaft end of the motor (37), and the power output end is connected with the transfer case (39);
The transfer cases (39) are 2 and are respectively arranged on the front and rear 2 main shafts (36), and the power input end is connected with the power output end of the reversing speed reducer (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410311982.XA CN117958018A (en) | 2024-03-19 | 2024-03-19 | Leveling chassis of electrically-driven small corn kernel harvester for hills and mountains |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410311982.XA CN117958018A (en) | 2024-03-19 | 2024-03-19 | Leveling chassis of electrically-driven small corn kernel harvester for hills and mountains |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117958018A true CN117958018A (en) | 2024-05-03 |
Family
ID=90846129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410311982.XA Pending CN117958018A (en) | 2024-03-19 | 2024-03-19 | Leveling chassis of electrically-driven small corn kernel harvester for hills and mountains |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117958018A (en) |
-
2024
- 2024-03-19 CN CN202410311982.XA patent/CN117958018A/en active Pending
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