CN213818940U - Corn ear picking device with elastic ear picking function - Google Patents
Corn ear picking device with elastic ear picking function Download PDFInfo
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- CN213818940U CN213818940U CN202022908386.XU CN202022908386U CN213818940U CN 213818940 U CN213818940 U CN 213818940U CN 202022908386 U CN202022908386 U CN 202022908386U CN 213818940 U CN213818940 U CN 213818940U
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Abstract
A corn ear picking device with elastic ear picking function comprises an ear picking plate frame, wherein a transmission gear box, a reel chain transmission mechanism and a stem pulling roller are arranged on the ear picking plate frame; the method is characterized in that: two long shafts are respectively arranged on two sides of the ear picking plate frame, two support arms are sleeved and fixed on the long shafts, and the ear picking plates are respectively hinged at the upper ends of the corresponding support arms through two short shafts; rectangular grooves are symmetrically formed in two sides of the ear picking plate frame, elastic limiting devices are respectively arranged in the rectangular grooves, and the elastic limiting devices are respectively sleeved and fixed on the corresponding long shafts through two connecting arms; the elastic opening and closing of the pair of ear picking plates is realized and the initial force of the opening of the ear picking plates is adjusted. The device can automatically adjust the clearance of the ear picking plate according to the thickness of the corn stalk, thereby automatically adapting to the size of corn ears, realizing elastic buffering during ear picking, reducing seed loss and improving harvesting efficiency.
Description
Technical Field
The utility model relates to the technical field of agricultural machinery, in particular to corn ear picking device with elasticity ear picking function.
Background
At present, the ear picking device on the existing corn harvester in China generally comprises an ear picking plate frame, wherein a transmission gear box, a reel chain transmission mechanism and a stem pulling roller are arranged on the ear picking plate frame, and an ear picking plate is fixed between the reel chain transmission mechanism and the stem pulling roller on the ear picking plate frame. When the corn stalk pulling device works, the transmission gear box drives the standing grain pulling chain transmission mechanism to feed the corn stalks with the corn ears into the stalk pulling roller; the corn stalk is pulled downwards by the stalk pulling roller, and the corn ear is picked by the ear picking plate; because the thickness of the corn stalk and the size of the corn ear carried by the corn stalk are different, the fixed ear picking plate is easy to clamp the large corn ear or leak the small corn ear, thereby causing loss; in addition, if the fixed snapping plates need to be adjusted, a plurality of bolts need to be loosened, and each snapping unit needs to be adjusted, so that time is wasted, and the efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
In view of the deficiency of prior art, this application provides a corn ear plucking device with elasticity ear plucking function, and the device can be according to the thickness automatic adjustment ear plucking plate clearance of corn stalk to automatically, adapt to corn ear size, and reducible seed grain loss improves and reaps efficiency.
In order to achieve the purpose, the corn ear picking device with the elastic ear picking function comprises an ear picking plate frame, wherein a transmission gear box, a reel chain transmission mechanism and a stem pulling roller are arranged on the ear picking plate frame;
two long shafts are respectively arranged on two sides of the ear picking plate frame, two support arms are sleeved and fixed on the long shafts, and the ear picking plates are respectively hinged at the upper ends of the corresponding support arms through two short shafts; rectangular grooves are symmetrically formed in two sides of the ear picking plate frame, elastic limiting devices are respectively arranged in the rectangular grooves, and the elastic limiting devices are respectively sleeved and fixed on the corresponding long shafts through two connecting arms; the elastic opening and closing of the pair of ear picking plates is realized and the initial force of the opening of the ear picking plates is adjusted.
Preferably, the elastic limiting device comprises an outer cylinder and an inner cylinder which are mutually inserted, pin shafts are respectively arranged at the outer ends of the outer cylinder and the inner cylinder in a penetrating way along the radial direction, a tension spring is connected between the two pin shafts, adjusting frames are buckled on the outer cylinder and the inner cylinder, two ends of the pin shaft on the inner cylinder are arranged on the adjusting frames in a penetrating way, and the adjusting frames are fixed on the ear picking plate frame through screws; the upper ends of the two connecting arms are respectively hinged to two ends of a pin shaft on the outer barrel.
Preferably, the upper surface of the adjusting frame is connected with an L-shaped supporting plate through a screw, the supporting plate is provided with a through hole and sleeved on the outer cylinder, and the adjusting frame is provided with a long hole corresponding to the screw; a pair of mutually meshed adjusting gears are arranged on the adjusting frame, racks meshed with the adjusting gears are respectively arranged on two sides of the rectangular groove on the ear picking plate frame and used for adjusting the initial position of the adjusting frame, and therefore the initial force of the ear picking plate to be opened is adjusted.
Preferably, kidney-shaped holes are respectively formed in the support plate corresponding to the wheel shafts of the two adjusting gears, and the upper ends of the wheel shafts of the adjusting gears are hexagonal and respectively penetrate through the corresponding kidney-shaped holes so as to adjust the initial positions of the adjusting frames.
Preferably, resilient supports are provided on the ear plate mount corresponding to the front and rear ends of each ear plate for supporting the ear plates to render the ear plates longitudinally resilient.
Preferably, the reel chain of the reel chain transmission mechanism is a rubber reel chain, so that fresh corn can be harvested conveniently.
The utility model has the advantages that:
the outer sides of two ends of the ear picking plate are respectively connected to the long shafts arranged on two sides of the ear picking plate frame through a short shaft and a support arm, the two sides of the ear picking plate frame are symmetrically provided with a rectangular groove, the rectangular grooves are respectively provided with an elastic limiting device, and the elastic limiting devices are respectively sleeved and fixed on the corresponding long shafts through two connecting arms; therefore, the elastic opening and closing of the pair of ear picking plates can be realized, the opening initial force of the ear picking plates can be adjusted, the ear picking device can automatically adjust the gap between the pair of ear picking plates according to the thickness of the corn stalks, the size of the corn ears can be automatically adapted, the elastic buffering during ear picking can be realized, the stalk breaking rate during ear picking can be reduced, the loss of grains can be reduced, and the harvesting efficiency can be improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a perspective view of the present invention.
Fig. 4 is a schematic view of the mounting of the header plate of fig. 2.
Fig. 5 is a sectional view a-a of fig. 4.
Fig. 6 is a sectional view B-B of fig. 4.
In the figure: the corn ear picking machine comprises a transmission gear box 1, a picking plate frame 2, a reel chain transmission mechanism 3, a stalk pulling roller 4, a picking plate 5, a long shaft 6, a shaft seat 7, a support arm 8, an elastic limiting device 9, a connecting arm 10, a short shaft 11, an outer cylinder 12, a wheel shaft 13, a support plate 14, an elastic support 15, an adjusting gear 16, an inner cylinder 17, a tension spring 18, a pin shaft 19, an outer sleeve 20, a pressure spring 21, an inner sleeve 22, an adjusting frame 23 and screws 24.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments in the present application, shall fall within the scope of protection of the present invention.
As shown in fig. 1-3, the utility model relates to a corn ear picking device with elasticity ear picking function, including ear picking plate frame 2, install drive gear box 1, a pair of reel chain drive 3 and a pair of stem drawing roller 4 on ear picking plate frame 2, lie in on ear picking plate frame 2 and install a pair of ear picking plate 5 between reel chain drive 3 and the stem drawing roller 4. Two pairs of output shafts are arranged in the transmission gear box 1, wherein one pair of output shafts are led out upwards from the top surface of the transmission gear box 1, have the same rotating speed and opposite rotating directions and are used for connecting the reel chain transmission mechanism 3; the other pair of output shafts are led out from the front of the transmission gear box 1, have the same rotating speed and opposite rotating directions and are used for connecting the stalk-pulling rolls 4.
Two sides of the ear picking plate frame 2 are respectively provided with a long shaft 6, and two ends of the long shaft 6 are respectively inserted with a shaft seat 7 through clearance fit and fixed at two sides of the ear picking plate frame 2 through the shaft seats 7. Two support arms 8 are respectively sleeved and fixed on the long shaft 6 near two ends, and the outer sides of the connecting plates near two ends on the ear picking plates 5 are respectively hinged at the upper ends of the corresponding support arms 8 through two short shafts 11. Two rectangular grooves are symmetrically arranged at the two sides of the snapping plate frame 2 close to the front end of the long shaft 6, elastic limiting devices 9 are respectively arranged in the rectangular grooves, and the outer cylinders of the elastic limiting devices 9 are respectively connected to the corresponding long shafts 6 through two connecting arms 10; for achieving resilient opening and closing of the pair of ear plates 5 and for adjusting the initial force with which the ear plates 5 open.
As shown in fig. 4-6, the elastic limiting device 9 includes an outer cylinder 12 and an inner cylinder 17 which are inserted into each other through clearance fit, a pin shaft 19 penetrates through the outer ends of the outer cylinder 12 and the inner cylinder 17 along the radial direction, a tension spring 18 is connected between the two pin shafts 19 and located in the inner cavity of the outer cylinder 12 and the inner cylinder 17, a groove-shaped adjusting frame 23 is buckled on the outer cylinder 12 and the inner cylinder 17, two ends of the pin shaft 19 on the inner cylinder 17 penetrate through the adjusting frame 23 and are limited through a snap spring, and the plate surface at the upper end of the adjusting frame 23 is fixed on the ear picking plate frame 2 through a screw 24; the upper ends of the two connecting arms 10 are respectively hinged to two ends of a pin shaft on the outer barrel 12 and limited by a clamp spring, and the lower ends of the two connecting arms 10 are respectively sleeved and fixed on the corresponding long shafts 6;
the upper surface of the adjusting frame 23 is connected with an L-shaped supporting plate 14 through a screw 24, a through hole is arranged on the vertical plate surface of the supporting plate 14 and sleeved on the outer cylinder 12, and long holes are respectively arranged on the adjusting frame 23 corresponding to the screws 24; a pair of mutually meshed adjusting gears 16 are arranged on the adjusting frame 23 through a rotatable wheel shaft 13, and racks meshed with the two adjusting gears 16 are respectively arranged on two sides of the rectangular groove on the ear picking plate frame 2 and used for adjusting the initial position of the adjusting frame 23 so as to adjust the initial force of the opening of the ear picking plate 5;
waist-shaped holes 141 are respectively formed in the horizontal plane surface of the supporting plate 14 corresponding to the axles 13 of the two adjusting gears 16, and the upper ends of the axles 13 of the adjusting gears 16 are hexagonal and respectively penetrate through the corresponding waist-shaped holes 141 so as to adjust the initial position of the adjusting frame 23.
The reel chain of the reel chain transmission mechanism 3 is a rubber reel chain, so that fresh corn can be harvested conveniently, and the root of the corn is prevented from being damaged.
When the corn ear picking device is used, a plurality of groups of corn ear picking devices are arranged on the header rack and are connected to a feeding gap bridge of a corn harvester through the header rack to harvest corn. During operation, the corn harvester is driven to walk along corn rows, the power device of the corn harvester drives the transmission gear box 1 to operate through the transmission mechanism, and each group of the reel chain transmission mechanisms 3 and the stem pulling roller 4 are driven to rotate oppositely through the transmission gear box 1. The corn stalks with the corn ears are fed into the stem pulling roller 4 through the seedling pulling chain of the seedling pulling chain transmission mechanism 3; the corn stalks are pulled downwards by the stalk pulling rollers 4, and each pair of ear picking plates 5 elastically stretches and swings up and down under the pull-down action of the corn stalks, so that the corn ears are picked by the ear picking plates 5 and are transferred to the feeding auger at the rear part by the seedling pulling chain of the seedling pulling chain transmission mechanism 3. The device can automatically adjust the clearance of the ear picking plate according to the thickness of the corn stalk, thereby automatically adapting to the size of corn ears, realizing elastic buffering when picking the ears by the elastic support 15, reducing seed loss and improving harvesting efficiency. The elastic buffer function can also be used for reducing the damage of the tail of the ear caused by picking by the ear picking plate when fresh corn is harvested.
Claims (6)
1. A corn ear picking device with elastic ear picking function comprises an ear picking plate frame, wherein a transmission gear box, a reel chain transmission mechanism and a stem pulling roller are arranged on the ear picking plate frame; the method is characterized in that:
two long shafts are respectively arranged on two sides of the ear picking plate frame, two support arms are sleeved and fixed on the long shafts, and the ear picking plates are respectively hinged at the upper ends of the corresponding support arms through two short shafts; rectangular grooves are symmetrically formed in two sides of the ear picking plate frame, elastic limiting devices are respectively arranged in the rectangular grooves, and the elastic limiting devices are respectively sleeved and fixed on the corresponding long shafts through two connecting arms; the elastic opening and closing of the pair of ear picking plates is realized and the initial force of the opening of the ear picking plates is adjusted.
2. The corn ear picking device with elastic ear picking function as claimed in claim 1, characterized in that: the elastic limiting device comprises an outer cylinder and an inner cylinder which are mutually inserted, pin shafts are respectively arranged at the outer ends of the outer cylinder and the inner cylinder in a penetrating way along the radial direction, a tension spring is connected between the two pin shafts, adjusting frames are buckled on the outer cylinder and the inner cylinder, two ends of the pin shaft on the inner cylinder are arranged on the adjusting frames in a penetrating way, and the adjusting frames are fixed on the ear picking plate frame through screws; the upper ends of the two connecting arms are respectively hinged to two ends of a pin shaft on the outer barrel.
3. The corn ear picking device with elastic ear picking function as claimed in claim 2, characterized in that: the upper surface of the adjusting frame is connected with an L-shaped supporting plate through a screw, the supporting plate is provided with a through hole and sleeved on the outer cylinder, and the positions, corresponding to the screws, of the adjusting frame are respectively provided with a long hole; a pair of mutually meshed adjusting gears are arranged on the adjusting frame, racks meshed with the adjusting gears are respectively arranged on two sides of the rectangular groove on the ear picking plate frame and used for adjusting the initial position of the adjusting frame, and therefore the initial force of the ear picking plate to be opened is adjusted.
4. The corn ear picking device with elastic ear picking function as claimed in claim 3, characterized in that: waist-shaped holes are respectively formed in the supporting plate corresponding to wheel shafts of the two adjusting gears, the upper ends of the wheel shafts of the adjusting gears are hexagonal and penetrate out of the corresponding waist-shaped holes respectively, and therefore the initial positions of the adjusting frames can be adjusted conveniently.
5. The corn ear picking device with elastic ear picking function as claimed in any one of claims 1-4, characterized in that: elastic supports are respectively arranged on the ear picking plate frame corresponding to the front end and the rear end of each ear picking plate and used for supporting the ear picking plates so that the ear picking plates have elasticity along the longitudinal direction.
6. The corn ear picking device with elastic ear picking function as claimed in claim 1, characterized in that: the seedling pulling chain of the seedling pulling chain transmission mechanism is a rubber seedling pulling chain so as to be convenient for harvesting fresh corn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022908386.XU CN213818940U (en) | 2020-12-07 | 2020-12-07 | Corn ear picking device with elastic ear picking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022908386.XU CN213818940U (en) | 2020-12-07 | 2020-12-07 | Corn ear picking device with elastic ear picking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213818940U true CN213818940U (en) | 2021-07-30 |
Family
ID=76996558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022908386.XU Active CN213818940U (en) | 2020-12-07 | 2020-12-07 | Corn ear picking device with elastic ear picking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213818940U (en) |
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2020
- 2020-12-07 CN CN202022908386.XU patent/CN213818940U/en active Active
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