Disclosure of Invention
The invention aims at overcoming the defects existing in the prior art, providing a feeding header of a corn harvester,
the harvester comprises a reel mechanism, wherein the reel mechanism comprises a reel frame, two ear picking plates and an ear picking adjusting assembly, the two ear picking plates are symmetrically and slidably arranged on the reel frame, and the ear picking adjusting assembly is in transmission connection with the two ear picking plates;
the ear picking adjusting assembly comprises a power mechanism, a first driving arm, a second driving arm and a synchronizing mechanism, wherein the first driving arm and the second driving arm are symmetrically arranged, two ear picking plates are respectively arranged on the first driving arm and the second driving arm at two sides, the synchronizing mechanism is linked with the first driving arm and the second driving arm, the power mechanism is connected with the first driving arm and/or the second driving arm in a transmission way, and the synchronizing mechanism synchronously and reversely transmits power on the first driving arm to the second driving arm;
two lower long base plates and one lower short base plate are arranged on one side, close to the seedling pulling frame, of the ear picking plate, the lower end faces of the two lower long base plates are in sliding contact with the seedling pulling frame, and two upper base plates are arranged above the ear picking plate.
Further, the first driving arm is a first transmission structure, the first transmission structure includes first articulated lever, first articulated arm and first impeller, and first articulated lever rotates and sets up on dialling the standing grain frame, the lower extreme of first articulated arm articulates to adjusting the actuating lever, the upper end fixed connection of first articulated arm is to first articulated lever, first articulated lever is provided with first linkage towards oblique top, first impeller slides and sets up on dialling the standing grain frame, one side that first impeller is close to first articulated lever sets up L type connecting portion, set up the spread groove on the L type connecting portion, one side of first impeller is inlayed and is established in the spread groove of L type connecting portion, first impeller transmission is connected to the ear picking board that is close to first transmission structure one side.
Further, the second driving arm is the second transmission structure, and the second transmission structure includes second articulated arm, second articulated arm and second impeller, and the second articulated arm rotates and sets up on dialling the standing grain frame, the lower extreme of second articulated arm articulates to adjusting the actuating lever, the upper end fixed connection of second articulated arm is to the second articulated arm, the second articulated arm is provided with the second linkage towards oblique below, the second impeller slides and sets up on dialling the standing grain frame, one side that the second impeller is close to the second articulated arm sets up h type spare, one side of second impeller inlays and establishes in the h type spare of second impeller, second impeller transmission is connected to the ear picking board that is close to second transmission structure one side.
Further, the transmission mounting piece is hinged below the first hinge arm and the second hinge arm, and the transmission mounting piece is fixedly connected with the adjusting driving rod.
Further, the side of transmission installed part sets up U type installed part, be provided with on the U type installed part with adjust the trompil that the actuating lever agrees mutually, U type installed part cover is established on adjusting the actuating lever, the opening part of U type installed part is provided with the fastening screw.
Furthermore, two ear picking chain supporting plates are symmetrically arranged on the ear picking frame, ear picking plates at two sides are arranged between the ear picking frame and the ear picking chain supporting plates at two sides in a sliding manner, the ear picking adjusting component is connected with the ear picking plates at two sides of the branch in a transmission manner, the lower short base plate is fixedly arranged on the lower end face of the ear picking plate and is positioned between the lower long base plates at two sides, and two upper base plates are arranged at one side of the ear picking plate, which is close to the ear picking chain supporting plates
Further, the two upper base plates are fixedly arranged on the upper end surfaces of the ear picking plates and are opposite to the two lower long base plates, and the upper end surfaces of the two upper base plates are in sliding contact with the ear picking chain supporting plates.
Further, a limiting block is arranged on the seedling pulling frame, a sliding gap is formed between the limiting block and the seedling pulling frame, and one side of the ear picking plate is embedded between the limiting block and the sliding gap.
Further, a spacing plate is arranged between the reel frame and the ear picking chain supporting plate, the thickness of the spacing plate is slightly larger than the overlapped thickness of the lower long base plate, the upper base plate and the ear picking plate, and the ear picking chain supporting plate is fixedly arranged on the reel frame through the spacing plate.
Further, reel chain group comprises the chain that two symmetries set up, a plurality of conveying portion is laid to the interval on the chain, conveying portion includes hinge, contact pad and connecting piece, the contact pad sets up on the hinge, the connecting piece is fixed on hinge and contact pad, the hinge includes hinge and installation department, hinge symmetry sets up two, sets up the hinge connection between two hinges, installation department sets up perpendicularly between two hinges, the border of installation department sets up the bent edge, the bent edge sets up the hinge fixed connection of both sides, set up first mounting hole on the installation department, set up the second mounting hole on the contact pad, the connecting piece passes first mounting hole and second mounting hole and is fixed hinge and contact pad, the hinge includes hinge and installation department, the hinge symmetry sets up two, set up the hinge connection between two hinges, the installation department sets up perpendicularly between two hinges, one side that the hinge was kept away from to the installation department sets up the semicircle department, the bent edge sets up the bent edge and the die cavity forms the bent edge, the bent edge sets up the bent edge and the die cavity is fixed with the die cavity.
Compared with the prior art, the invention has the advantages that:
firstly, can guide and carry crops through the reel chain group that sets up in this scheme, transmit the gearbox with power through driving system, disperse and transmit the reel chain group to the power through the gearbox in to can stabilize at the uniform velocity control reel chain group and carry the material loading to crops, can control the thickness of sending into crop straw through the plucking ear plate that both sides set up, thereby inject the stability that crops get into between the both sides reel frame.
Secondly, set up pluck ear adjusting part in this scheme, drive first drive mechanism and second transmission structure simultaneously through single regulation actuating lever, drive the ear picking board of both sides simultaneously through first transmission structure and second transmission structure and carry out reverse and opposite movement, can make the both sides pluck the clearance increase between the ear picking board, can adapt to thicker crops of straw.
Thirdly, this scheme sets up U type installed part at the side of transmission installed part, can satisfy the fine setting that the transmission installed part carries out the position on adjusting the actuating lever through the U type installed part that sets up, can finely tune according to straw interval when the crops to different periods transmission installed part in the position of adjusting the actuating lever, also can be through loosening the fastening screw after plucking the ear plate and take place deformation, then finely tune the position of U type installed part to change the positional relationship and the regulation interval of plucking the ear plate.
Fourth, pluck ear plate slip in this scheme sets up between plucking standing grain frame and the ear picking chain layer board on both sides, pluck ear plate and be close to the one side of plucking standing grain frame and be provided with two long backing plates and a short backing plate down, two long backing plates fixed mounting are in plucking ear plate lower terminal surface and pluck standing grain frame sliding contact, contact friction is carried out with ear picking chain layer board and plucking standing grain frame through long backing plate down and a short backing plate down, can prevent ear chain layer board, pluck standing grain frame and ear picking plate and mutually weld and die, lead to unable normal regulation of equipment.
Detailed Description
The utility model provides a combine the attached drawings to show 1-13, a maize picker's material loading header is installed on the maize picker, carries out material loading transport operation to crops through the material loading header, including header mounting bracket 1, driving system 2 and reel mechanism 3, header mounting bracket 1 sets up as the installation connecting portion on the maize picker, reel mechanism 3 sets up a plurality of, and a plurality of reel mechanism 3 sets up on header mounting bracket 1, driving system 2 sets up on header mounting bracket 1 and connects reel mechanism 3, and the driving system 2 part is passed through to driving system 2 part to the power of maize picker, distributes output power through driving system 2, reel mechanism 3 is used for carrying out material loading reel to crops, sets up a plurality of reel mechanism 3 and can carry out material loading harvesting to multirow crops simultaneously to improve the work efficiency of equipment.
The seedling pulling mechanism 3 comprises a seedling pulling frame 31, a gearbox 32, seedling pulling chain groups 4, seedling pulling plates 5 and a seedling pulling adjusting component 6, wherein the seedling pulling frame 31 is fixedly arranged on the seedling pulling frame 1, the seedling pulling chain groups 4 are arranged at two, the two seedling pulling chain groups 4 are symmetrically arranged on the seedling pulling frame 31, the seedling pulling plates 5 are arranged at the seedling pulling chain groups 4 on two sides, the seedling pulling plates 5 are slidingly arranged on the seedling pulling frame 31, the seedling pulling adjusting component 6 is arranged on the seedling pulling frame 1 and is in transmission connection with the two seedling pulling plates 5, the seedling pulling frame 31 is used for installing and connecting the whole seedling pulling mechanism 3, the seedling pulling chain groups 4 are arranged on the seedling pulling frame 31, the crop can be guided and conveyed through the arranged seedling pulling chain groups 4, the power system 2 is in transmission connection with the gearbox 32, the gearbox 32 is in transmission connection with the seedling pulling chain groups 4, the power is transmitted to the gearbox 32 through the power system 2, the power is dispersed and transferred to the reel chain group 4 through the gearbox 32, so that the reel chain group 4 can be stably and uniformly controlled to convey and feed crops, the thickness of the crop straws fed into the reel chain group can be controlled through the ear picking plates 5 arranged at two sides, so that the stability of the crops entering the space between the reel frames 31 at two sides is limited, the ear picking adjusting component 6 is arranged, the arrangement interval of the ear picking plates 5 at two sides can be controlled through the ear picking adjusting component 6, if the crop straws are relatively thick, the gap between the ear picking plates 5 at two sides is relatively small, the crops can not enter the supports of the reel frames 31 at two sides, the normal feeding of the crops is affected, if the crop straws at two sides are relatively thin, the ear picking plates 5 can not guide and limit the crops when the gap between the ear picking plates 5 at two sides is relatively large, therefore, a plurality of crops can be wound and blocked between the reel frames 31, so that the normal operation of the equipment is influenced, the pulp of the crops can be damaged even, the harvesting efficiency of a harvester and the yield of the crops are influenced, the ear picking adjusting assembly 6 is arranged to control the intervals of the ear picking plates 5 at two sides, and the ear picking plates 5 are ensured to accurately set along with the diameter of crop straws all the time.
The reel chain group 4 is composed of two symmetrically arranged chains, a plurality of conveying parts 41 are distributed on the chains at intervals, the chains are fixed on chain wheels on two sides when the reel chain is used, the chain body is driven by the chain wheels to continuously run, and the plurality of conveying parts 41 which are arranged in a driving manner are contacted with crops in the running process of the chains, so that lifting and transportation of the crops are realized.
The conveying part 41 comprises a hinge member 42, a contact pad 43 and a connecting piece 44, wherein the hinge member 42 is hinged with the chain body, the contact pad 43 is arranged on the hinge member 42, the connecting piece 44 is fixed on the hinge member 42 and the contact pad 43, the hinge member 42 is connected with the chain, the contact pad 43 is contacted with crops, flexible materials such as polyurethane can be adopted for the contact pad 43, the contact pad 43 can be flexibly contacted with the crops, damage caused by the contact of the crops and the conveying part is prevented, the integrity of the crops is improved, and the crops are protected to a certain extent.
The hinge piece 42 comprises hinge parts 45 and mounting parts 46, the two hinge parts 45 are symmetrically arranged, hinge rods are arranged between the two hinge parts 45 to be connected, the mounting parts 46 are vertically arranged between the two hinge parts 45, bent edges 47 are arranged on the circumference of the mounting parts 46, the bent edges 47 are fixedly connected with the hinge parts 45 on two sides, first mounting holes 48 are formed in the mounting parts 46, second mounting holes 49 are formed in the contact pads 43, the connecting piece 44 penetrates through the first mounting holes 48 and the second mounting holes 49 to fix the hinge piece 42 and the contact pads 43, the hinge parts 45 are used for butt joint with a chain body, the structure is similar to that of a single chain, hinge rods are arranged between the two hinge parts 45, the hinge parts 45 on two sides can be fixed through the hinge rods, meanwhile, the mounting stability of the hinge parts 45 on two sides is increased, and the stability of the hinge parts 45 on two sides in the running process is ensured; the hinge 42 includes hinge 45 and installation department 46, hinge 45 symmetry sets up two, sets up the hinge lever between two hinge 45 and connects, installation department 46 sets up perpendicularly between two hinge 45, one side that hinge 45 was kept away from to installation department 46 sets up semicircle portion, the week circle of installation department 46 sets up the bent edge 47, bent edge 47 and the hinge 45 fixed connection of both sides, form U die cavity between bent edge 47 and the installation department 46 to this can produce and pull the power each other, can carry out the transmission that all and with the pressure through the bent edge 47 of outer lane after the pressurized, thereby improve the bearing strength of structure, prevent structural deformation.
The hinge part 45 and the mounting part 46 in this scheme can adopt integrated into one piece's structure, directly form a completed structure through punching press and the mode of buckling to can guarantee the integrality of structure, reduce manufacturing cost, improve the intensity of product, reduce production process.
The contact pad 43 is provided with the edge covering groove and the filling part, the edge covering groove is mutually matched with the bending edge 47, the bending edge 47 is embedded in the edge covering groove, the contact pad 43 and the hinge piece 42 can be ensured to be stably connected through the mutual matching of the bending edge 47 and the edge covering groove, the contact pad 43 is prevented from being worn by reciprocating shaking on the hinge piece 42, the corners of the hinge piece 42 are wrapped, the hinge piece 42 is prevented from being worn by contacting crops, and the yield of the crops is improved.
The bending edge 47 in this scheme is butted with the edge covering groove, and the hinge piece 42 and the contact pad 43 form a semi-surrounding structure, so that the required crop amount is reduced, the production cost of the product is reduced, and the assembly of the product is facilitated.
The U-shaped cavity is formed between the bending edge 47 and the mounting part 46, so that the structural strength of the mounting part 46 can be increased, the setting stability of the mounting part 46 is increased, the mounting part can bear larger weight, the filling part is embedded in the U-shaped cavity, the mounting stability between the contact pad 43 and the hinge piece 42 is ensured by the fit between the filling part and the U-shaped cavity, the concave damage of the contact pad 43 is prevented, and the service life of equipment is prolonged.
The connecting piece 44 in this embodiment may adopt a bolt structure, and fix the hinge piece 42 and the contact pad 43 by the cooperation of a screw and a nut, or may adopt a rivet structure, and fix the hinge piece 42 and the contact pad 43 by rivets.
The second mounting hole 49 is disposed in the filling portion, and in this embodiment, the filling portion on the contact pad 43 is thicker than other portions, so that the connection stability of the connecting member 44 to the hinge member 42 and the contact pad 43 can be greatly improved by disposing the second mounting hole 49 in the filling portion.
The filling part is close to one side of articulated portion 45 and sets up the fillet, sets up the fillet and can prevent that sharp-pointed corner from bumping with crops and causing the damage to crops, sets up the quantity of use that reduces crops that the fillet can be relative simultaneously to reduce the manufacturing cost of equipment, contact pad 43 can adopt the mode of pouring to process, thereby can more efficient completion equipment's production.
The hinge member 42 in the reel chain group 4 can be integrally and quickly punched and formed in a punching mode, so that the installation connection strength of the hinge member 42 is ensured, and the production cost of equipment is reduced.
In order to improve the structural strength of the hinge 42, the connection position between the bent edge 47 and the hinge 45 is formed in a triangular shape, and the connection position between the bent edge 47 and the hinge 45 is formed at an angle of 100 ° to 130 °, and the connection position between the bent edge 47 and the hinge 45 is formed at an angle of 100 °, 101 °, 102 °, 103 °, 104 °, 105 °, 106 °, 107 °, 108 °, 109 °, 110 °, 111 °, 112 °, 113 °, 114 °, 115 °, 116 °, 117 °, 118 °, 119 °, 120 °, 121 °, 122 °, 123 °, 124 °, 125 °, 126 °, 127 °, 128 °, 129 °, or 130 °.
As shown in fig. 3 to 7 and 11 to 12, the first embodiment of the ear picking adjusting unit 6: the harvester comprises an adjusting electric cylinder 61, an adjusting driving rod 62, a first transmission structure 63 and a second transmission structure 64, wherein the adjusting driving rod 62 is arranged on a header mounting frame 1 in a sliding manner, the adjusting electric cylinder 61 is in transmission connection with the adjusting driving rod 62, the adjusting driving rod 62 is in transmission connection with the first transmission structure 63 and the second transmission structure 64, the first transmission structure and the second transmission structure 64 are simultaneously driven by the adjusting driving rod 62, and the ear picking plates 5 on two sides are simultaneously driven to move reversely and oppositely by the first transmission structure 63 and the second transmission structure 64;
the first transmission structure 63 includes a first hinge rod 631, a first hinge arm 632, and a first pushing member 633, where the first hinge rod 631 is rotatably disposed on the stalk pulling frame 31, the lower end of the first hinge arm 632 is hinged to the adjustment driving rod 62, the upper end of the first hinge arm 632 is fixedly connected to the first hinge rod 631, the first hinge rod 631 is provided with a first linkage member 634 obliquely upward, the first pushing member 633 is slidably disposed on the stalk pulling frame 31, one side of the first pushing member 633 near the first hinge rod 631 is provided with an L-shaped connection portion 635, the L-shaped connection portion 635 is provided with a connection groove, one side of the first pushing member 633 is embedded in the connection groove of the L-shaped connection portion 635, and the first pushing member 633 is in transmission connection with the ear picking plate 5 near one side of the first transmission structure 63;
the second transmission structure 64 includes a second hinge rod 641, a second hinge arm 642 and a second pushing member 643, the second hinge rod 641 is rotatably disposed on the reel frame 31, the lower end of the second hinge arm 642 is hinged to the adjustment driving rod 62, the upper end of the second hinge arm 642 is fixedly connected to the second hinge rod 641, the second hinge rod 641 is provided with a second linkage member 644 obliquely downward, the second pushing member 643 is slidably disposed on the reel frame 31, an h-shaped member 645 is disposed on a side of the second pushing member 643 adjacent to the second hinge rod 641, one side of the second pushing member 643 is embedded in the h-shaped member 645 of the second pushing member 643, and the second pushing member 643 is in transmission connection with the ear picking plate 5 adjacent to the side of the second transmission structure 64.
When the adjusting driving rod 62 moves leftwards in use, the adjusting driving rod 62 pushes the first hinge arm 632, the first hinge arm 631 is driven to rotate clockwise by the first hinge arm 632, and the first linkage piece 634 is arranged obliquely upwards, so that the first hinge rod 631 rotates clockwise to drive the first linkage piece 634 to rotate synchronously and outwards, and the first linkage piece 634 is matched with a connecting groove on the L-shaped connecting part 635 to pull the ear picking plate 5 on one side to translate outwards; meanwhile, the second hinge arm 642 is pushed by the adjusting driving rod 62, the second hinge rod 641 is driven to rotate clockwise through the second hinge arm 642, and the second linkage 644 is arranged obliquely downwards, so that the second hinge arm 642 rotating clockwise drives the second linkage 644 to rotate outwards, the ear picking plates 5 on the other side are pulled to translate outwards through the mutual matching of the h-shaped piece 645 on the second pushing piece 643 and the second linkage 644, and accordingly the ear picking plates 5 on the two sides can be controlled to move reversely through the movement of the single adjusting driving rod 62, the gap between the ear picking plates 5 on the two sides can be increased, and thicker crop can be adapted to straws.
When the adjusting driving rod 62 moves leftwards, the adjusting driving rod 62 pushes the first hinge arm 632, the first hinge rod 631 is driven to rotate anticlockwise by the first hinge arm 632, and as the first linkage piece 634 is arranged obliquely upwards, the first hinge rod 631 rotates clockwise to drive the first linkage piece 634 to synchronously rotate inwards, and the first linkage piece 634 is matched with a connecting groove on the L-shaped connecting part 635 to push the ear picking plate 5 on one side to translate inwards; meanwhile, the second hinge arm 642 is pushed by the adjusting driving rod 62, the second hinge rod 641 is driven to rotate anticlockwise by the second hinge arm 642, and the second linkage 644 is arranged obliquely downwards, so that the second hinge arm 642 rotating clockwise drives the second linkage 644 to rotate inwards, the ear picking plates 5 on the other side are pulled to translate inwards by the mutual matching of the h-shaped piece 645 on the second pushing piece 643 and the second linkage 644, and accordingly the movement of the single adjusting driving rod 62 can be controlled and the movement of the ear picking plates 5 on the two sides in opposite directions can be controlled, the gap between the ear picking plates 5 on the two sides can be reduced, and the crop with finer straws can be adapted.
In this scheme, a pair of ear picking plates 5 on the multiple groups of reel mechanisms 3 can be driven simultaneously by a single adjusting driving rod 62 to adjust intervals, and meanwhile, the power transmission arms of the ear picking plates 5 on two sides are basically the same, so that the adjusting speeds and distances of the ear picking plates 5 on two sides are the same, the adjustment of the ear picking plates 5 on two sides can be centered, and the ear picking plates 5 on the multiple groups of reel mechanisms 3 can stably move.
In this scheme, the adjusting drive rod 62 below the reel 31 is used for adjusting the ear picking plates 5 on the reel mechanisms 3, and enough space can be reserved between the adjusting drive rod 62 and the reel 31, so that more structures can be conveniently installed in the reel 31, and the harvesting performance of the harvester is further improved.
Preferably, the transmission mounting pieces 65 are hinged below the first hinge arm 632 and the second hinge arm 642, the transmission mounting pieces 65 are fixedly connected with the adjusting driving rod 62, the transmission mounting pieces 65 which are hinged can ensure that the adjusting driving rod 62 transmits power to the first hinge arm 632 and the second hinge arm 642, and meanwhile the first hinge arm 632 and the second hinge arm 642 can rotate at a certain angle, so that the first hinge arm 632 and the second hinge arm 642 are prevented from being blocked.
Preferably, the side end of the transmission mounting member 65 is provided with a U-shaped mounting member 651, the U-shaped mounting member 651 is provided with an opening matched with the adjusting driving rod 62, the U-shaped mounting member 651 is sleeved on the adjusting driving rod 62, the opening of the U-shaped mounting member 651 is provided with a fastening screw, the transmission mounting member 65 can be finely adjusted on the adjusting driving rod 62 according to the position of the transmission mounting member 65 on the adjusting driving rod 62 when crops in different periods are subjected to the adjustment according to the straw spacing, after the ear picking plate 5 is deformed, the fastening screw is loosened, and then the position of the U-shaped mounting member 651 is finely adjusted, so that the position relation and the adjustment interval of the ear picking plate 5 are changed.
As shown in fig. 13, a second embodiment of the ear picking adjustment assembly 6: including adjusting push rod, first rocking arm, second rocking arm, first connecting rod, second connecting rod and bull stick, be provided with first rocking arm handle on the first rocking arm, be provided with the second rocking arm handle on the second rocking arm, the middle part rotation of bull stick is installed on header mounting bracket 1, the bull stick is in between first rocking arm and the second rocking arm, the both ends of first connecting rod articulate respectively and set up between first rocking arm and bull stick, the both ends of second connecting rod articulate respectively and set up between second rocking arm and bull stick, adjust push rod transmission and be connected to first rocking arm and/or second rocking arm, the ear picking board 5 transmission that is close to first rocking arm is connected to first rocking arm, the ear picking board 5 transmission that is close to the second rocking arm is connected to the second rocking arm.
When the harvester is used, the first rocker is driven to rotate through the adjusting push rod, the first rocker rotates and simultaneously drives the ear picking plates 5 on one side to move, meanwhile, the first rocker rotates and drives the first connecting rod to move, the first connecting rod drives the rotating rod to rotate at a certain angle, the rotating rod rotates and drives the second connecting rod to move, the second rocker is driven to rotate reversely through the second connecting rod, the ear picking plates 5 on the other side are driven to synchronously move through the second rocker, and the ear picking plates 5 on two sides can be simultaneously driven to move oppositely and reversely through the adjusting push rod.
In this embodiment, only the push rod and the first rocker arm or the second rocker arm need to be adjusted to realize adjustment of the ear picking plates 5 at two sides, and synchronism and stability of the ear picking plates 5 at two sides can be ensured.
As shown in fig. 14, embodiment three of ear picking adjustment assembly 6: including accommodate the lead screw, accommodate motor, first adjusting arm and second adjusting arm, accommodate the lead screw rotates the setting, accommodate motor drive is connected to accommodate the lead screw, first adjusting arm and second adjusting arm slide the setting in the both sides of dialling standing grain 31, and one side that is close to first adjusting arm on the accommodate the lead screw sets up the positive screw thread, one side that accommodate the lead screw is close to the second adjusting arm sets up the reverse screw thread, the lower extreme of first adjusting arm is provided with first adjusting screw sleeve, the lower extreme of second adjusting arm is provided with the second adjusting screw sleeve, the positive screw thread region intermeshing on first adjusting screw sleeve and the accommodate the lead screw, the reverse screw thread region intermeshing on second adjusting screw sleeve and the accommodate the lead screw.
In the operation process, the adjusting screw is driven to rotate through the adjusting motor, the first adjusting arm and the second adjusting arm are simultaneously driven to move on two sides of the reel frame 31 through the adjusting screw, and the first adjusting arm and the second adjusting arm are respectively matched through the positive threads and the reverse threads on the adjusting screw, so that the adjusting screw can simultaneously drive the first adjusting arm and the second adjusting arm on two sides to synchronously move reversely and oppositely when rotating.
The harvester is characterized in that two ear picking chain supporting plates 33 are symmetrically arranged on the harvester frame 31, ear picking plates 5 on two sides are slidably arranged between the harvester frame 31 and the ear picking chain supporting plates 33 on two sides, the ear picking adjusting component 6 is in transmission connection with the ear picking plates 5 on two sides, two long base plates 34 and one short base plate 35 are arranged on one side, close to the harvester frame 31, of the ear picking plates 5, the two long base plates 34 are fixedly arranged on the lower end face of the ear picking plates 5 and are in sliding contact with the harvester frame 31, the short base plates 35 are fixedly arranged on the lower end face of the ear picking plates 5 and are located between the two long base plates 34 on two sides, the short base plates 35 are in sliding contact with the harvester frame 31, two upper base plates 36 are arranged on one side, close to the ear picking chain supporting plates 33, of the ear picking plates 5 are fixedly arranged on the upper end face of the ear picking plates 5 and are opposite to the positions of the two long base plates 34, and the upper end faces of the two upper base plates 36 are in sliding contact with the ear picking chain supporting plates 33.
Preferably, the connection parts of the ear picking adjusting components 6 and the ear picking plates 5 are positioned at the side ends of the two lower long base plates 34, so that the stable transmission of the power of the ear picking adjusting components 6 to the ear picking plates 5 can be ensured, and the inclined locking of the ear picking plates 5 caused by the unbalanced power output by the ear picking adjusting components 6 is prevented.
Preferably, the lower long pad 34, the lower short pad 35 and the upper pad 36 are all polyurethane plates, contact friction with the ear picking chain supporting plate 33 and the stalk pulling frame 31 can be carried out to the greatest extent through the polyurethane plates, and as the ear picking chain supporting plate 33 and the stalk pulling frame 31 of the crop harvester are made of metal materials, oxidation and rust may exist in a long-time standing process, so that the ear picking chain supporting plate 33, the stalk pulling frame 31 and the ear picking plate 5 are mutually welded and dead, and the equipment cannot be regulated normally.
Preferably, the reel frame 31 is provided with a limiting block 37, a sliding gap exists between the limiting block 37 and the reel frame 31, one side of the ear picking plate 5 is embedded between the limiting block 37 and the sliding gap, and the position of the ear picking plate 5 is limited through the sliding gap between the limiting block 37 and the reel frame 31, so that crops are prevented from being blocked between the ear picking plate 5 and the reel frame 31, and the setting stability of the ear picking plate 5 is improved.
Preferably, a spacing plate 38 is arranged between the stalk pulling frame 31 and the ear picking chain supporting plate 33, the thickness of the spacing plate 38 is slightly larger than the overlapped thickness of the lower long backing plate 34, the upper backing plate 36 and the ear picking plate 5, the ear picking chain supporting plate 33 is fixedly arranged on the stalk pulling frame 31 through the spacing plate 38, the ear picking chain supporting plate 33 can be lifted and arranged on the stalk pulling frame 31 through the arranged spacing plate 38, so that a movable space for accommodating the ear picking plate 5 is formed between the stalk pulling frame 31 and the ear picking chain supporting plate 33, and the ear picking plate 5 can be limited through the ear picking chain supporting plate 33 and the stalk pulling frame 31.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the description of the present invention, a description of the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.