CN110679286A - A lifting platform of a corn harvester with stalk crushing and returning to the field - Google Patents

Abstract

The invention discloses a lifting platform of a corn harvester for stalk crushing and returning to the field. There is a gear train structure inside the body, the upper end of the gear train structure is mechanically matched with a harvesting knife mechanism, and the harvesting knife mechanism is arranged on the upper end of the header box body; There is a screw feeding mechanism directly above the main body, the screw feeding mechanism is arranged at the rear end of the header box, and the screw feeding mechanism is mechanically matched with the gear train structure; the bottom of the header box is mechanically matched with a feeding mechanism. In the present invention, the corn stalk can be moved to the middle screw feeding mechanism by the feeding mechanism for feeding, and the reaping knife of the reaping knife mechanism can be used to cut the stalk. The structure of the present invention is used for a harvester trolley as the main device for stalk crushing.

Description

A lifting platform of a corn harvester with stalk crushing and returning to the field

【Technical field】

The invention relates to the technical field of corn harvesting equipment, in particular to the technical field of the lifting platform of a corn harvester for stalk crushing and returning to the field.

【Background technique】

The corn harvester is an agricultural machine that uses machinery to harvest corn stalks when the corn is mature or close to maturity, according to agronomic requirements. The corn harvester is a new type of agricultural machinery researched and developed for the development of new energy sources and to reduce the labor intensity of farmers' friends. It shortens the labor cycle of peasant friends and frees people from heavy manual labor. The lifting table of the corn harvester is the main body of the harvesting device. The lifting table is installed on the harvester trolley and is mainly used to realize the functions of cutting rods and feeding materials.

[Content of the invention]

The purpose of the present invention is to solve the problems in the prior art, and proposes a lifting platform of a corn harvester for stalk crushing and returning to the field. The harvesting knife of the knife mechanism cuts the straw. The structure of the present invention is used for a harvester trolley as the main device for stalk crushing.

In order to achieve the above purpose, the present invention proposes a lifting platform of a corn harvester with stalk crushing and returning to the field, which includes a header box, a gear train structure, a feeding plate body, a screw feeding mechanism, a harvesting knife mechanism and a material feeding mechanism. Mechanism, the inside of the header body is provided with a gear train structure, the upper end of the gear train structure is mechanically matched with a reaping knife mechanism, and the reaping knife mechanism is set at the upper end of the header box body; the rear end of the header box body is fixed with a feeding material Plate main body, a screw feeding mechanism is arranged just above the main body of the feeding plate, the screw feeding mechanism is arranged at the rear end of the header box, and the screw feeding mechanism is mechanically matched with the gear train structure; the bottom of the header box is mechanically matched There is a dialing mechanism.

Preferably, the header box body is a hollow shell structure with an opening at the front end; a first bearing seat is fixed on the left end face of the header box body, and a first bearing cover is arranged at the left end of the first bearing seat; A second bearing seat is fixed on the rear end face of the box body, and a second bearing cover is arranged at the rear end of the second bearing seat; a third bearing seat is fixed on the end face of the right end of the header box body, and the right end of the third bearing seat is provided with The third bearing cover; the lower end face of the header box body is fixed with a fourth bearing seat on the left and right, and the lower end of the fourth bearing seat is provided with a fourth bearing cover; the lower end of the header box body is symmetrically provided with L-shaped bosses on the left and right sides ; The gear train structure includes a first shaft, a first bevel gear, a second bevel gear, a second shaft, a third bevel gear, a third shaft and a fourth bevel gear; the first bearing seat and the third bearing seat There is a built-in first shaft, the first shaft is laterally arranged in the bearings in the first bearing seat and the third bearing seat, the right end of the first shaft is sleeved with a bevel gear, and the left end of the first shaft is sleeved with a circular truncated gear; the fourth bearing The seat is provided with a built-in second shaft, the upper end of the second shaft is sleeved with a third bevel gear; the fifth bearing seat is provided with a built-in third shaft, the front end of the third shaft is sleeved with a fourth bevel gear, and the fourth cone is sleeved The gear is meshed with the bevel gear or the circular bevel gear, and the bevel gear and the circular bevel gear are meshed with a third bevel gear.

Preferably, the lower bottom plate of the main body of the feeding plate is provided with slot holes in the left and right longitudinal directions, and the main body of the feeding plate around the slot holes is provided with round holes; Wall structure, the middle of the boss is provided with a circular through hole; the rear end of the main body of the feeding plate is provided with a sliding rail fixing seat symmetrically left and right, and the sliding rail fixing seat is fixed at the circular hole by a bolt assembly; the main body of the feeding plate is The inner side is attached and fixed with the outer side of the L-shaped boss of the header box body, and the front end of the main body of the feed plate is attached and fixed with the rear end of the header box body; the slot hole is a key-slot structure; the slide rail fixing seat is L-shaped The upper end surface of the slide rail fixed seat is provided with a round hole, the inner cavity of the slide rail fixed seat is provided with a rib plate, and the side surface of the slide rail fixed seat is trapezoidal.

Preferably, the screw feeding mechanism includes a cone, a feeding blade, a circular table and a roller blade, the outer portion of the circular table is provided with roller blades along the circumference, the number of roller blades is 8, and the roller blades are installed vertically with the outer end face of the circular table; the circular table A cone is fixed on the end surface of the rear end, the diameter of the bottom surface of the cone is larger than the diameter of the rear end surface of the circular table, the outer part of the cone is provided with a feeding blade along the circumference, the feeding blade is a spiral blade, and the feeding blade is installed vertically with the outer end surface of the cone; the A shaft hole is arranged in the middle of the round table, and the middle of the round table is connected with the gear train structure through the shaft.

Preferably, the harvesting knife mechanism includes a harvesting knife, a fourth shaft and a fifth bevel gear, the middle of the harvesting knife is fitted with a fourth shaft, the fourth shaft is a stepped shaft, and a fifth cone is fixed under the fourth shaft by screws The gear, the fifth conical gear is meshed with the gear train structure; the harvesting knife includes a shaft sleeve and a cutter body, the shaft sleeve is an annular structure, and the outer circumference of the shaft sleeve is fixed with a number of 3 cutter bodies, and the cutter body includes Back and blade.

Preferably, the sliding rail fixed seat on the main body of the feeding plate has a built-in sliding rail shaft, the outer casing of the sliding rail shaft is equipped with a spring, the lower end of the sliding rail shaft is fixed with a sliding block, and the sliding block has a built-in fifth shaft, the fifth shaft is connected with a driven sprocket through a key; the lower end of the second shaft of the gear train structure is connected with a driving sprocket through a key, the driving sprocket is meshed with a chain, and the inner ring of the chain is connected with the driven chain The outer sprockets of the wheels are meshed with each other, and the levers are fixed on the chain at equal distances.

Beneficial effects of the present invention: The present invention can use the feeding mechanism to dial the corn stalk to the middle screw feeding mechanism for feeding, and use the harvesting knife of the harvesting knife mechanism to cut the straw. The structure of the present invention is used for a harvester trolley as the main device for stalk crushing.

The features and advantages of the present invention will be described in detail through embodiments in conjunction with the accompanying drawings.

【Description of drawings】

Fig. 1 is the front view structure schematic diagram of the lifting platform of a kind of stalk crushing and returning field corn harvester of the present invention;

Fig. 2 is the top view structure schematic diagram of the lifting platform of a kind of stalk crushing and returning field corn harvester of the present invention;

Fig. 3 is the bottom view structure schematic diagram of the lifting platform of a kind of stalk crushing and returning field corn harvester of the present invention;

Fig. 4 is a three-dimensional structural schematic diagram of a lifting platform of a corn harvester for stalk crushing and returning to fields of the present invention;

5 is a rear view of the header box of the lifting table of a corn harvester for stalk crushing and returning to the field of the present invention;

6 is a schematic three-dimensional structural diagram of the main body of the feeding plate of the lifting platform of a corn harvester for crushing and returning stalks to the field according to the present invention.

In the figure: 1-header box, 101-first bearing seat, 102-first bearing cover, 103-second bearing seat, 104-second bearing cover, 105-third bearing seat, 106-third bearing Cover, 107-fourth bearing seat, 108-fourth bearing cover, 109-fifth bearing seat, 110-L-shaped boss, 2-gear train structure, 21-first shaft, 22-first bevel gear, 23 -Second bevel gear, 24-Second shaft, 25-Third bevel gear, 26-Third shaft, 27-Fourth bevel gear, 3-Feed plate body, 31-Slot hole, 32-Round hole, 33 -Slide rail fixed seat, 34-boss, 4-screw feeding mechanism, 41-cone, 42-feeding blade, 43-round table, 44-roller blade, 5-harvester mechanism, 51-sleeve, 52 -Knife back, 53-Blade, 54-Fourth shaft, 55-Fifth bevel gear, 6-Dialing mechanism, 61-Slide rail shaft, 62-Spring, 63-Slider, 64-Driver sprocket, 65- Fifth shaft, 66-drive sprocket, 67-chain, 68-pull rod.

【Detailed ways】

Referring to Figure 1, Figure 2, Figure 3, Figure 4, Figure 5 and Figure 6, the present invention includes a header box 1, a gear train structure 2, a feeding plate body 3, a screw feeding mechanism 4, and a harvesting knife mechanism 5 and the feeding mechanism 6, the inside of the header body 1 is provided with a gear train structure 2, and the upper end of the gear train structure 2 is mechanically matched with a harvesting knife mechanism 5, and the harvesting knife mechanism 5 is arranged on the just upper end of the header box body 1; The rear end of the header box body 1 is fixed with a feeding plate main body 3, and a screw feeding mechanism 4 is arranged directly above the feeding plate main body 3. The screw feeding mechanism 4 is arranged at the rear end of the header box body 1, and the screw feeding The mechanism 4 is mechanically matched with the wheel train structure 2 ; the bottom of the header box 1 is mechanically matched with a feeding mechanism 6 .

Specifically, the header box 1 is a hollow shell structure with an opening at the front end; a first bearing seat 101 is fixed on the left end face of the header box 1 , and a first bearing cover is arranged at the left end of the first bearing seat 101 102; a second bearing seat 103 is fixed on the rear end face of the header box 1, and a second bearing cover 104 is fixed at the rear end of the second bearing seat 103; a third bearing cover 104 is fixed on the right end face of the header box 1 The bearing seat 105, the right end of the third bearing seat 105 is provided with a third bearing cover 106; the lower end face of the header box 1 is fixed with a fourth bearing seat 107 on the left and right, and the lower end of the fourth bearing seat 107 is provided with a fourth bearing cover 108; The lower end of the header box 1 is provided with an L-shaped boss 110 symmetrically from left to right; the gear train structure 2 includes a first shaft 21, a first bevel gear 22, a second bevel gear 23, a second shaft 24, a The three bevel gears 25, the third shaft 26 and the fourth bevel gear 27; the first bearing seat 101 and the third bearing seat 105 are internally provided with a first shaft 21, and the first shaft 21 is laterally arranged on the first bearing seat 101 and the third bearing seat 105. In the bearing in the third bearing seat 105, the right end of the first shaft 21 is sleeved with a bevel gear 22, and the left end of the first shaft 21 is sleeved with a conical gear 23; the fourth bearing seat 107 is equipped with a second shaft 24, and the first shaft 21 is sleeved with a second shaft 24. The upper end of the two shafts 24 is sleeved with a third bevel gear 25; the fifth bearing seat 109 is provided with a built-in third shaft 26, and the front end of the third shaft 26 is sleeved with a fourth bevel gear 27, the fourth bevel gear 27 and the bevel gear 22 or the truncated truncated gear 23 are meshed with each other, and both the bevel gear 22 and the truncated truncated gear 23 are meshed with a third bevel gear 25 .

Specifically, the lower bottom plate of the feeding plate main body 3 is provided with slot holes 31 in the left and right longitudinal directions, and the feeding plate main body 3 around the slot hole 31 is provided with circular holes 32; 34. The boss 34 is a square thin-walled structure, and the middle of the boss 34 is provided with a circular through hole; the rear end of the feed plate main body 3 is symmetrically provided with a sliding rail fixing seat 33, and the sliding rail fixing seat 33 is assembled by bolts. It is fixed at the round hole 32; the inner side of the main body 3 of the feed plate is fixedly attached to the outer side of the L-shaped boss 110 of the header box 1, and the front end of the main body 3 of the feed plate is attached and fixed to the rear end of the header box 1; The slot hole 31 is a keyway type structure; the slide rail fixing seat 33 is L-shaped, the upper end surface of the sliding rail fixing seat 33 is provided with a round hole, the inner cavity of the sliding rail fixing seat 33 is provided with a rib, and the sliding rail is fixed The side surface of the seat 33 is trapezoidal.

Specifically, the screw feeding mechanism 4 includes a cone 41, a feeding blade 42, a round table 43 and a roller blade 44. The round table 43 is provided with a roller blade 44 along the circumference, and the number of the roller blades 44 is 8. The outer end face of the round table 43 is installed vertically; the end face of the rear end of the round table 43 is fixed with a cone 41, the diameter of the bottom surface of the cone 41 is larger than the diameter of the rear end face of the round table 43, and the outside of the cone 41 is provided with a feeding blade 42 along the circumference, and the feeding blade 42 is a helical blade, the feeding blade 42 is installed vertically with the outer end face of the cone 41 ; the center of the circular table 43 is provided with a shaft hole, and the middle of the circular table 43 is connected to the gear train structure 2 through a shaft.

Specifically, the harvesting knife mechanism 5 includes a harvesting knife, a fourth shaft 54 and a fifth bevel gear 55 . The middle of the harvesting knife is fitted with a fourth shaft 54 , the fourth shaft 54 is a stepped shaft, and the fourth shaft 54 passes under the The fifth bevel gear 55 is fixed with the screw, and the fifth bevel gear 55 meshes with the gear train structure 2; the harvesting knife includes a shaft sleeve 51 and a cutter body, the shaft sleeve 51 is a ring-shaped structure, and the outer circumference of the shaft sleeve 51 is fixed on top There are three cutter bodies, and the cutter body includes a blade back 52 and a blade edge 53 .

Specifically, the slide rail fixing seat 33 on the feed plate main body 3 has a built-in slide rail shaft 61 , the slide rail shaft 61 is sheathed with a spring 62 , and a slider 63 is fixed at the lower end of the slide rail shaft 61 . The slider 63 has a built-in fifth shaft 65, and the fifth shaft 65 is connected with a driven sprocket 64 through a key; the lower end of the second shaft 24 of the gear train structure 2 is connected with a driving sprocket 66 through a key. The sprocket 66 is meshed with a chain 67 outside, and the inner ring of the chain 67 meshes with the outer sprockets of the driven sprocket 64 , and a lever 68 is fixed on the chain 67 equidistantly.

The working process of the present invention:

The lifting platform of a corn harvester for stalk crushing and returning to the field of the present invention is described in conjunction with the accompanying drawings during the working process.

The gear train structure 2 is connected to an external motor shaft, so that the device has power. The device is installed on the corn harvester. The gear train structure 2 moves, so that the feeding mechanism 6 can be driven to move, and the corn stalk is moved to the middle of the screw feeding mechanism 4; the screw feeding mechanism 4 feeds the straw; Under the transmission, the stalks are cut by the blade 53 of the harvesting knife, thereby completing the action of harvesting and returning to the field; combining with other structures such as transmission structures, corn harvesting is realized. The combined use of the slide rail fixing seat 33 , the slide rail shaft 61 , the spring 62 and the sliding block 63 realizes the automatic elastic adjustment of the chain drive distance of the feeding mechanism 6 to avoid jamming.

In the present invention, the corn stalk can be moved by the feeding mechanism to the middle screw feeding mechanism for feeding, and the reaping knife of the reaping knife mechanism can be used to cut the stalk. The structure of the present invention is used for a harvester trolley as the main device for stalk crushing.

The above-mentioned embodiments are illustrative of the present invention, not limitations of the present invention, and any scheme after simple transformation of the present invention belongs to the protection scope of the present invention.

Claims (6)

1. A lifting platform of a corn harvester with stalk crushing and returning to the field, characterized in that: it comprises a header box (1), a gear train structure (2), a feeding plate main body (3), and a screw feeding mechanism (4). ), a harvesting knife mechanism (5) and a feeding mechanism (6), the harvesting table body (1) is provided with a gear train structure (2) inside, and the top end of the gear train structure (2) is mechanically matched with a harvesting knife mechanism (5) , the harvesting knife mechanism (5) is arranged on the right upper end of the header box (1); the rear end of the header box (1) is fixed with a feeding plate body (3), A screw feeding mechanism (4) is arranged above, the screw feeding mechanism (4) is arranged at the rear end of the header box (1), and the screw feeding mechanism (4) is mechanically coordinated with the gear train structure (2). The bottom of the table box body (1) is mechanically matched with a feeding mechanism (6). 2. The lifting platform of a corn harvester for stalk crushing and returning to the field according to claim 1, characterized in that: the header box (1) is a hollow shell structure with an opening at the front end; A first bearing seat (101) is fixedly arranged on the left end face of the box body (1), and a first bearing cover (102) is arranged at the left end of the first bearing seat (101); the rear end face of the header box body (1) is fixedly arranged There is a second bearing seat (103), and the rear end of the second bearing seat (103) is provided with a second bearing cover (104); the right end face of the header box (1) is fixed with a third bearing seat (105), A third bearing cover (106) is arranged at the right end of the third bearing seat (105); a fourth bearing seat (107) is fixed on the left and right of the lower end face of the header box (1), and the lower end of the fourth bearing seat (107) A fourth bearing cover (108) is provided; the lower end of the header box (1) is symmetrically provided with an L-shaped boss (110); the gear train structure (2) includes a first shaft (21), a first bevel gear (22), second bevel gear (23), second shaft (24), third bevel gear (25), third shaft (26) and fourth bevel gear (27); the first bearing seat (101) and the third bearing seat (105) are internally provided with a first shaft (21), and the first shaft (21) is laterally arranged in the bearings in the first bearing seat (101) and the third bearing seat (105), The right end of the first shaft (21) is sleeved with a bevel gear (22), and the left end of the first shaft (21) is sleeved with a circular truncated gear (23); the fourth bearing seat (107) has a built-in second shaft (24), so A third bevel gear (25) is sleeved on the upper end of the second shaft (24); a third shaft (26) is installed inside the fifth bearing seat (109), and a fourth shaft (26) is sleeved at the front end of the third shaft (26). The bevel gear (27) and the fourth bevel gear (27) mesh with the bevel gear (22) or the bevel gear (23), and both the bevel gear (22) and the bevel gear (23) are meshed with the third bevel gear (25). 3 . The lifting platform of a corn harvester for stalk crushing and returning to the field according to claim 1 , wherein the lower bottom plate of the main body ( 3 ) of the feeding plate is provided with slot holes ( 31 ) in the left and right longitudinal directions, and the slot holes (31) A round hole (32) is provided on the main body (3) of the feeding plate around the periphery; the bottom surface of the main body (3) of the feeding plate is laterally provided with a boss (34), and the boss (34) is a square thin-walled structure , a circular through hole is provided in the middle of the boss (34); a slide rail fixing seat (33) is symmetrically provided at the rear end of the feed plate main body (3), and the slide rail fixing seat (33) is fixed to the At the round hole (32); the inner side of the main body (3) of the feed plate and the outer side of the L-shaped boss (110) of the header box (1) are attached and fixed, and the front end of the main body (3) of the feed plate and the header box The rear end of the body (1) is fitted and fixed; the slot hole (31) is a key-slot type structure; the slide rail fixing seat (33) is L-shaped, and the upper end surface of the sliding rail fixing seat (33) is provided with a round hole, The inner cavity of the sliding rail fixing seat (33) is provided with a rib plate, and the side surface of the sliding rail fixing seat (33) is trapezoidal. 4. The lifting platform of a corn harvester with stalk crushing and returning to the field according to claim 1, characterized in that: the screw feeding mechanism (4) comprises a cone (41), a feeding blade (42), The round table (43) and the roller blade (44) are provided with roller blades (44) along the circumference on the outside of the round table (43), the number of the roller blades (44) is 8, and the roller blades (44) are installed vertically with the outer end surface of the round table (43). ; A cone (41) is fixed on the end surface of the rear end of the circular platform (43), the diameter of the bottom surface of the cone (41) is larger than the diameter of the rear end surface of the circular platform (43), and the outer portion of the cone (41) is provided with a feeding blade ( 42), the feeding blade (42) is a helical blade, and the feeding blade (42) is installed vertically with the outer end surface of the cone (41); the center of the circular table (43) is provided with a shaft hole, and the middle of the circular table (43) is connected by a shaft Gear train structure (2). 5. The lifting platform of a corn harvester for stalk crushing and returning to the field according to claim 1, characterized in that: the harvesting knife mechanism (5) comprises a harvesting knife, a fourth shaft (54) and a fifth bevel gear (55), a fourth shaft (54) is provided with an interference fit in the middle of the harvester, the fourth shaft (54) is a stepped shaft, and a fifth bevel gear (55) is fixed under the fourth shaft (54) by screws. The gear (55) is meshed with the gear train structure (2); the harvesting knife includes a shaft sleeve (51) and a cutter body, the shaft sleeve (51) is a ring-shaped structure, and the outer circumference of the shaft sleeve (51) is fixed with a The number of the cutter body is 3, and the cutter body includes a blade back (52) and a blade edge (53). 6 . The lifting platform of a corn harvester for stalk crushing and returning to the field according to claim 1 , wherein the sliding rail fixing seat ( 33 ) on the main body ( 3 ) of the feeding plate has a built-in sliding rail shaft. 7 . (61), a spring (62) is installed on the outer sleeve of the slide rail shaft (61), a slider (63) is fixed at the lower end of the slide rail shaft (61), and a fifth shaft (63) is built in the slider (63). 65), the fifth shaft (65) is connected with a driven sprocket (64) through a key; the lower end of the second shaft (24) of the gear train structure (2) is connected with a driving sprocket (66) through a key , the driving sprocket (66) is meshed with a chain (67), the inner ring of the chain (67) is meshed with the outer sprocket of the driven sprocket (64), and the chain (67) is equidistantly fixed with a lever (67). 68).

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