CN210226240U - Corn self-excited vibration low-loss ear picking mechanism - Google Patents
Corn self-excited vibration low-loss ear picking mechanism Download PDFInfo
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- CN210226240U CN210226240U CN201920859077.2U CN201920859077U CN210226240U CN 210226240 U CN210226240 U CN 210226240U CN 201920859077 U CN201920859077 U CN 201920859077U CN 210226240 U CN210226240 U CN 210226240U
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Abstract
The utility model relates to a maize self-excited vibration is low to be lost and plucks ear of grain mechanism, including plucking the ear of grain support to and install feeding chain and pluck ear of grain board on plucking the ear of grain support, pluck ear of grain board below through damping device and pluck ear of grain leg joint, damping device include with pluck ear of grain support rigid coupling the shock absorber lower sleeve to and with pluck ear of grain board lapped shock absorber upper sleeve, the shock absorber upper sleeve is connected through the damping spring of vertical setting with shock absorber lower sleeve. The utility model adopts the gap-adjustable ear picking plate, which is suitable for the corn harvesting operation with different diameters of stalks, effectively avoids the problems of feeding blockage, low efficiency and the like caused by the ear jamming in the gap of the ear picking plate, and effectively improves the harvesting efficiency of the corn ear picking machine; the ear picking plate can vibrate up and down by arranging the vibration damper, so that the impact force between corn ears and the ear picking plate when the corn ears are pulled downwards by the stalk pulling knife roller is effectively reduced, and the harvesting loss and damage rate of the corn ear harvester are effectively reduced.
Description
Technical Field
The utility model belongs to the technical field of agricultural machine, especially, relate to a maize self-excited vibration is low, plucks ear of grain mechanism.
Background
At present, the corn harvesting machinery still has the problems of high harvesting loss rate, poor stability and adaptability, inadaptation of agricultural machinery and agriculture, and the like, so that the mechanized process of corn harvesting is hindered, and the mechanized harvesting quality is reduced. In order to solve the problems, the improvement of the working performance of the corn harvester is the key research point of the mechanization of the corn harvesting, wherein the header is a key part of the corn harvester, and the improvement of the working performance is very key. In recent years, a header of a corn harvester mostly adopts a fixed ear picking plate, when stalks are pulled into the space between the ear picking plates by two feeding chains, corn ears can generate great acceleration when being pulled downwards by a stalk pulling knife roller, so that the corn ears generate great impact force when being impacted with the ear picking plates, and the corn ears are damaged to a great extent. Meanwhile, the fixed ear picking plates cause that the space between the ear picking plates can not be changed at any time and can not adapt to the feeding of corn stalks with different diameters.
Disclosure of Invention
The utility model discloses to prior art's not enough, provide a maize self-excited vibration low-loss ear of grain mechanism of plucking, simple structure is reasonable, can pluck the in-process at the maize ear of grain and realize preventing stifled loss reduction and for current scheme improved work efficiency and operating mass with rated load.
The utility model discloses a following technical scheme realizes, provides a maize self-excited vibration low-loss ear of grain mechanism of plucking, including plucking the ear of grain support to and install feeding chain and ear picking plate on plucking the ear of grain support, ear picking plate below is through damping device and pluck ear of grain leg joint, damping device include with pluck the shock absorber lower sleeve of ear of grain support rigid coupling to and with pluck ear of grain plate lapped shock absorber upper sleeve, shock absorber upper sleeve and shock absorber lower sleeve are connected through the damping spring of vertical setting, and the shock absorber upper sleeve's outer wall and shock absorber lower sleeve's inner wall sliding connection.
According to the scheme, the damping device is additionally arranged on the basis of a common header, so that the ear picking plate has a certain vibration loss reduction effect, the ear picking plate is overlapped on the upper sleeve of the damper, when the corn ears collide with the ear picking plate, the ear picking plate is pressed down, the damping spring is compressed, the acceleration is reduced, the impact force is reduced, the loss and the damage of the ears caused by overlarge impact force between the ears and the ear picking plate are effectively avoided, and the ears are further treated and processed; through setting up sleeve and shock absorber lower sleeve on the shock absorber, made things convenient for damping spring's installation, improved the installation effectiveness to prevent that the spring from crooked, play the guide effect.
Preferably, the upper sleeve of the shock absorber is provided with a guide cylinder which extends downwards into an inner hole of the shock absorber spring, the bottom of the guide cylinder is provided with a limiting bolt in a penetrating manner, and the limiting bolt is connected with the lower sleeve of the shock absorber through threads. This optimization scheme is through setting up the guide cylinder, and the convenience is radially fixed to damping spring's upper end, through setting up spacing bolt, can prevent that sleeve and damping spring break away from on the shock absorber.
Preferably, the ear picking plate is connected with the ear picking support through a gap adjusting device, the gap adjusting device comprises a connecting plate hinged with the ear picking plate and a rocker shaft connected to the ear picking support through a shaft, the connecting plate is fixedly connected with the rocker shaft, an ear seat is further fixedly connected to the rocker shaft, and the ear seat is connected with the ear picking support through a tension spring perpendicular to the rocker shaft.
According to the optimized scheme, the gap between the ear picking plates can be automatically adjusted according to the diameter of the corn stalks, when the corn stalks enter the gap between the ear picking plates, the two ear picking plates are extruded and separated by the stalks, the ear picking plates move outwards, so that the rocker shaft is driven to rotate through the connecting plate, the tension spring is stretched through the ear seat when the rocker shaft rotates, the gap between the ear picking plates is increased, the ears can be effectively prevented from being blocked on the header, the ears are directly clamped by the ear picking plates, and the loss and damage of the corn ears are avoided; after the stalks fall to the ground, the gap between the two ear picking plates is immediately contracted under the action of the tension spring so as to adapt to the entering of the next corn stalk and to adapt to the harvesting of corn ears with different diameters of the corn stalks; to simplify the design of the tie plate, the rocker shaft may be arranged to extend in the front-rear direction.
As optimization, the ear picking device further comprises a shell fixedly connected with the ear picking bracket, a stretching device inner sleeve hinged with the shell through a pin shaft I, and a stretching device outer sleeve hinged with the ear seat through a pin shaft II, wherein the outer surface of the stretching device inner sleeve is in sliding connection with the inner wall of the stretching device outer sleeve, the tension spring is positioned in the stretching device outer sleeve and the stretching device inner sleeve, and two ends of the tension spring are respectively connected with the pin shaft I and the pin shaft II. The setting of this optimization scheme for the extension spring is when taking place axial deformation, and stretching device outer sleeve takes place relative slip with stretching device inner skleeve, provides the guide effect for the deformation of extension spring, avoids extension spring bending deformation, thereby has improved rocker shaft pivoted flexibility.
Preferably, an inverted L-shaped chain guard plate extending to the upper part of the inner side feeding chain is fixedly connected to the ear picking support. According to the optimization scheme, the corn ear is prevented from falling onto the feeding chain by arranging the chain protection plate, and the normal operation of the feeding chain is ensured.
Preferably, the front end of the ear picking support is fixedly provided with a chain wheel seat, the chain wheel seat is connected with a feeding chain driven chain wheel meshed with a feeding chain through a tensioning device, a wheel shaft of the feeding chain driven chain wheel downwards penetrates through a long hole formed in the chain wheel seat along the tensioning direction, the tensioning device comprises a lifting lug I fixedly connected with the wheel shaft of the feeding chain driven chain wheel, a lifting lug II fixedly connected with the chain wheel seat and a screw rod sequentially penetrating through the lifting lug I and the lifting lug II, the screw rod is fixedly connected with the lifting lug II, and the screw rod is sleeved with a compression spring with one end propping against the lifting lug I and a limiting device positioned at the other end of the compression spring.
This optimization scheme plays real-time tensioning's effect to the feeding chain through setting up overspeed device tensioner, adjusts compression spring's decrement through adjusting stop device position on the screw rod to realize the adjustment of tensile force.
Preferably, the limiting device comprises an adjusting nut connected to the screw rod through threads and a gasket II located between the adjusting nut and the compression spring. This stop device of optimization scheme simple structure, convenient operation through setting up gasket II, can reduce adjusting nut's specification, reduce cost.
As optimization, a screw rod on one side, away from the compression spring, of the lifting lug I is connected with a compression nut through threads. According to the optimized scheme, the compression nut is arranged, so that the screw can be prevented from being separated from the lifting lug I, and the screw can provide guidance for deformation of the compression spring; meanwhile, the compression amount of the compression spring can be adjusted by screwing the compression nut, so that the adjustable point is added, and the tensioning operation is more convenient.
Preferably, the screw is fixedly connected with the lifting lug II, namely, fastening nuts connected with the screw through threads are respectively arranged on two sides of the lifting lug II. This optimization is fixed the screw rod through the fastening nut of II both sides of lug, can realize dismantling to the position of convenient adjusting screw rod.
And optimally, driven bevel gears are respectively and fixedly arranged on the driving sprocket wheel shafts of the two feeding chains, the two driven bevel gears are respectively in meshed connection with driving bevel gears, and the two driving bevel gears are fixedly arranged on the same power input shaft. According to the optimized scheme, the power input shaft receives external power, and the bevel gear drives the driving chain wheel to rotate, so that the rotation synchronism of the two feeding chains is ensured, the feeding effect is improved, and the lodging of stalks is reduced.
The utility model has the advantages that: the clearance-adjustable ear picking plate is adopted, so that the corn ear picking plate is suitable for harvesting corns with different diameters of stalks, the problems of feeding blockage, low efficiency and the like caused by the fact that ears are clamped in the clearance of the ear picking plate are effectively avoided, and the harvesting efficiency of a corn ear machine is effectively improved; the ear picking plate can vibrate up and down by arranging the vibration damper, so that the impact force between corn ears and the ear picking plate when the corn ears are pulled downwards by the stalk pulling knife roller is effectively reduced, and the harvesting loss and damage rate of the corn ear harvester are effectively reduced.
Drawings
FIG. 1 is a top view of the snapping mechanism;
FIG. 2 is a side view of the snapping mechanism shaft;
FIG. 3 is a front view of the snapping mechanism;
FIG. 4 is a bottom view of the snapping mechanism;
FIG. 5 is a schematic view of the internal structure of the gear housing;
FIG. 6 is a cross-sectional view of the shock absorber;
FIG. 7 is a lower view of the sprocket base tensioning mechanism;
FIG. 8 is a front view of the sprocket base tensioning mechanism;
FIG. 9 is a block diagram of a gap adjustment spring tensioner;
FIG. 10 is a cross-sectional view taken along line A-A of FIG. 9;
shown in the figure:
1. a feeding chain driven sprocket wheel, 2, a feeding chain, 3, a ear picking plate, 4, a chain guard plate bolt group, 5, a shell installation bolt group, 6, a chain guard plate, 7, a power input shaft, 8, a feeding chain driving sprocket wheel, 9, a gear box body, 10, a ear picking bracket, 11, a sprocket seat, 12, a short shaft fixing bolt group, 13, a short shaft, 14, a rocker shaft, 15, a gap adjusting device, 16, a pin shaft II, 17, a bearing seat fixing bolt group, 18, a bearing seat, 19, a vibration damping device, 20, a stem pulling knife roll, 21, a pin shaft I, 22, a vibration damper installation bolt group, 23, a driven bevel gear, 24, a cylindrical gear group, 25, a stem pulling knife roll power input shaft, 26, a driving sprocket wheel shaft, 27, a driving bevel gear, 28, a sleeve, 29, a vibration damper upper sleeve, 30, a vibration damping spring, 31, a vibration damper lower sleeve, 32, a limiting bolt, 33 and a screw rod, 34 and 37, a fastening nut, 35, a compression spring, 36, a backing plate, 38, lifting lugs II, 39, an adjusting nut, 40, gaskets II, 41, gaskets I, 42, lifting lugs I, 43, a wheel shaft of a driven chain wheel of a feeding chain, 44, a shell, 45, an inner sleeve of a stretching device, 46, an outer sleeve of the stretching device, 47 and a tension spring.
Detailed Description
In order to further improve the working efficiency and the working quality and reduce the loss and the damage of corn ears, the embodiment provides the corn self-excited vibration low-loss ear picking mechanism, on the basis of a common header structure, the shock absorber assembly is additionally arranged to enable the ear picking plates to have a certain vibration loss reduction effect, and the gaps between the ear picking plates can be automatically adjusted according to the diameter of corn stalks through the spring stretching device, so that the purpose of self-excited vibration loss reduction is achieved. In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments. The direction of the chain wheel seat is taken as the front end, and the direction of the device on the ground is taken as the upper part.
As shown in the attached drawing, the self-excited vibration low-loss ear picking mechanism is mainly used for picking operation of corn harvesting, and comprises an ear picking bracket 10, a feeding chain 2, a stem pulling roller device, an ear picking device and a transmission device, wherein the feeding chain, the stem pulling roller device, the ear picking device and the transmission device are arranged on the ear picking bracket.
The whole ear picking support 10 is welded in a steel plate frame mode, and is high in strength, firm and durable. The gear box body 9 is welded at the rear end of the ear picking bracket 10; two chain wheel seats 11 are welded at the front end of the ear picking support 10, and the two chain wheel seats 11 are symmetrically arranged and installed. An inverted L-shaped chain guard plate 6 extending to the upper part of the inner side feeding chain is fixedly connected to the ear picking bracket through a chain guard plate bolt group 4.
The transmission device is divided into two parts, one part of the transmission device comprises a power input shaft 7 which is arranged on the gear box body 9 in a penetrating way and two driving bevel gears 27 which are fixedly arranged on the power input shaft 7, the power input shaft traverses the gear box body and is arranged in a deep groove ball bearing on the gear box body to be used as a transmission transfer medium. Two driving bevel gears 27 are axially positioned through sleeves 28, driven bevel gears 23 are fixedly mounted at the lower parts of driving sprocket wheel shafts 26 of the two feeding chains respectively, and the two driven bevel gears 23 are meshed with the driving bevel gears 27 respectively. The driven bevel gear and the driving bevel gear form 90-degree meshing transmission power, the feeding chain driving sprocket 8 is arranged at the upper part of a wheel shaft 26 of the feeding chain driving sprocket and forms chain transmission with the feeding chain 2 to convey corn plants backwards. The other part of the transmission device comprises a cylindrical gear set 24, a stalk pulling cutter roller power input shaft 25 and the like, external power input drives the stalk pulling cutter roller power input shaft 25 to rotate, one cylindrical gear in the cylindrical gear set 24 is installed on the stalk pulling cutter roller power input shaft 25 and rotates along with the same, the cylindrical gear is in gear engagement with another cylindrical gear installed on the stalk pulling cutter roller power input shaft on one side in the cylindrical gear set 24, power is transmitted to the stalk pulling cutter roller 20, the rear part of the stalk pulling cutter roller 20 is fixedly connected with the stalk pulling cutter roller power input shaft 25, the front part of the stalk pulling cutter roller is installed on the snapping support 10, and the rest of the structure of the stalk pulling roller device can adopt the prior art and is not described in detail.
The ear picking device comprises two ear picking plates 3 which are oppositely arranged, the ear picking plates are positioned above the ear picking support, and the working part has a certain inclination and extends for a certain distance compared with the tail part of a common ear picking plate. The ear picking plate is characterized in that the lower portion of the ear picking plate 3 is connected with the ear picking support through a vibration damper 19, the vibration damper comprises a lower vibration damper sleeve 31 fixedly connected with the ear picking support and an upper vibration damper sleeve 29 lapped with the ear picking plate, the outer wall of the upper vibration damper sleeve is in sliding contact with the inner wall of the lower vibration damper sleeve, the ear picking plate is lapped on the upper vibration damper sleeve 29, the ear picking plate can transversely move on the upper vibration damper sleeve, the upper vibration damper sleeve is connected with the lower vibration damper sleeve through a vertically arranged vibration damper spring 30, the upper end of the vibration damper spring is propped against the top wall of the upper vibration damper sleeve, the lower end of the vibration damper spring is propped against the bottom of the lower vibration damper sleeve, and the lower vibration damper sleeve 31 is fixed on the upper portion of.
The shock absorber upper sleeve is provided with a guide cylinder which extends downwards into an inner hole of the shock absorber spring, the bottom of the guide cylinder is provided with a limit bolt 32 in a penetrating mode, and the limit bolt 32 is connected with the shock absorber lower sleeve 31 through threads. The bottom of the lower sleeve of the shock absorber is provided with a guide block which extends upwards into an inner hole of the shock absorbing spring, and the guide block is provided with a threaded hole matched with the limiting bolt.
The ear picking plate is connected with the ear picking support through a gap adjusting device 15, and the gap adjusting device comprises a connecting plate hinged with the ear picking plate and a rocker shaft 14 connected to the ear picking support through a shaft. The rocker shaft extends along the front-back direction, a bearing seat 18 for supporting the rocker shaft is arranged on the side surface of the ear picking support 10, and the bearing seat 18 is fixedly connected with the ear picking support through a bearing seat fixing bolt group 17. The connecting plate is sleeved on the rocker shaft and fixedly connected with the rocker shaft, an ear seat is further fixedly connected on the rocker shaft, and the ear seat is connected with the ear picking support through a tension spring 47 perpendicular to the rocker shaft 14. The lug seat comprises two parallel extension plates which are fixedly connected to the outer circular surface of the rocker shaft and extend along the radial direction. The hinging of the connecting plate and the ear picking plate means that the tail part of the ear picking plate is fixedly connected with a short shaft 13 through a short shaft fixing bolt group 12, the short shaft is parallel to the rocker shaft, the connecting plate is sleeved on the short shaft, and the connecting plate and the short shaft can rotate relatively. The short shaft is provided with a through hole which penetrates along the radial direction and is used for penetrating through the bolt. The rocker shaft of this embodiment is the cavity step shaft, and both ends size is little, and middle size is big, and even the board setting sets up at the rocker shaft both ends, and the middle ear seat that sets up.
The clearance adjusting device of the embodiment further comprises a shell 44 fixedly connected with the ear picking support 10, a stretching device inner sleeve 45 hinged with the shell through a pin shaft I21, and a stretching device outer sleeve 46 hinged with the ear seat through a pin shaft II 16, wherein the shell 44 is positioned and installed below the ear picking rack 10 through a shell installation bolt group 5. The outer surface of the stretching device inner sleeve is in sliding connection with the inner wall of the stretching device outer sleeve, the tension spring is located in the stretching device outer sleeve and the stretching device inner sleeve, and two ends of the tension spring are hung on the pin shaft I and the pin shaft II respectively. A smaller space is kept between the two snapping plates under the tension of the tension spring.
The front end of the ear picking bracket is fixedly provided with a chain wheel seat 11, the chain wheel seat 11 is connected with a feeding chain driven chain wheel 1 meshed with a feeding chain through a tensioning device, and the feeding chain is positioned according to the feeding chain driven chain wheel on the upper part of the chain wheel seat and a feeding chain driving chain wheel extending out of a gear box body to install the feeding chain. The axle 43 of the feeding chain driven sprocket downwards penetrates through a long hole formed in the sprocket seat along the tensioning direction, the tensioning device comprises a lifting lug I42 fixedly connected with the axle of the feeding chain driven sprocket, a lifting lug II 38 fixedly connected with the sprocket seat and a screw rod 33 sequentially penetrating through the lifting lug I and the lifting lug II, a base plate 36 is welded at the lower end of the axle of the feeding chain driven sprocket, the lifting lug I is welded on the base plate, the lifting lug I and the lifting lug II are arched, and a through hole is formed in the upper portion of the lifting lug I and the lifting lug II. Screw rod 33 and II 38 fixed connection of lug, the cover is equipped with one end and pushes up to the compression spring 35 of lug I and the stop device that is located the compression spring other end on the screw rod, has gland nut through threaded connection on the screw rod of lug I one side of keeping away from the compression spring.
The screw is fixedly connected with the lifting lug II, namely, a fastening nut 34 and a fastening nut 37 which are connected with the screw through threads are respectively arranged on two sides of the lifting lug II 38. The limiting device comprises an adjusting nut 39 connected to the screw rod through threads, a gasket II 40 located between the adjusting nut and the compression spring, and a gasket I41 located between the compression spring and the lifting lug I.
When in use, the utility model connects and assembles the transmission device, the ear picking device, the clearance adjusting device, the vibration damper and the like on the frame through the fastening piece. When the corn stalks enter the ear picking plate gap, the two ear picking plates are squeezed apart by the stalks, the ear picking plate gap is enlarged, the ears can be effectively prevented from being blocked on the header and the ears can be directly clamped by the ear picking plates, and therefore the loss and the damage of the corn ears are avoided; the corn ears obtain great acceleration under the pulling action of the stalk pulling knife roller and move downwards along with the stalks, so that the corn ears and the ear picking plate are strongly impacted, the corn ears are separated from the corn stalks, and the purpose of picking the corn ears is achieved. When the corn ears collide with the ear picking plate, the ear picking plate is pressed downwards, and the damping springs in the damping devices are compressed, so that the acceleration is reduced, the impact force is reduced, the loss and the damage of the corn ears caused by overlarge impact force between the corn ears and the ear picking plate are effectively avoided, and the corn ears are favorable for further processing and processing. After the corn ears are picked, the stalks fall to the ground, and the gap between the two ear picking plates is immediately contracted under the action of the tension spring so as to adapt to the entering of the next corn stalk and achieve the purpose of adapting to the harvesting of the corn ears with different diameters of the corn stalks.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a maize self-excited vibration low-loss ear of grain mechanism of plucking, is including plucking ear of grain support (10) to and install feeding chain (2) and pluck ear of grain board (3) on plucking the ear of grain support, its characterized in that: the ear picking device is characterized in that the lower part of the ear picking plate (3) is connected with the ear picking support through a vibration damper, the vibration damper comprises a lower vibration damper sleeve (31) fixedly connected with the ear picking support and an upper vibration damper sleeve (29) overlapped with the ear picking plate, the upper vibration damper sleeve is connected with the lower vibration damper sleeve through a vertically arranged vibration damper spring (30), and the outer wall of the upper vibration damper sleeve is in sliding connection with the inner wall of the lower vibration damper sleeve.
2. The self-excited vibration low-loss corn snapping mechanism of claim 1, wherein: the shock absorber upper sleeve is provided with a guide cylinder which extends downwards into an inner hole of the shock absorber spring, a limiting bolt (32) penetrates through the bottom of the guide cylinder, and the limiting bolt (32) is connected with the shock absorber lower sleeve (31) through threads.
3. The self-excited vibration low-loss corn snapping mechanism of claim 1, wherein: the ear picking plate is connected with the ear picking support through a gap adjusting device (15), the gap adjusting device comprises a connecting plate hinged with the ear picking plate and a rocker shaft (14) connected to the ear picking support in a shaft mode, the connecting plate is fixedly connected with the rocker shaft, an ear seat is further fixedly connected to the rocker shaft, and the ear seat is connected with the ear picking support through a tension spring (47) perpendicular to the rocker shaft (14).
4. The self-excited vibration low-loss corn snapping mechanism of claim 3, wherein: still include with shell (44) of plucking ear of grain support (10) rigid coupling, through round pin axle I (21) and shell articulated stretching device inner skleeve (45) to and through round pin axle II (16) with ear seat articulated stretching device outer skleeve (46), the surface and the stretching device outer skleeve inner wall sliding connection of stretching device inner skleeve, the extension spring is located stretching device outer skleeve and stretching device inner skleeve, and the both ends of extension spring are connected with round pin axle I, round pin axle II respectively.
5. The self-excited vibration low-loss corn snapping mechanism of claim 1, wherein: an inverted L-shaped chain guard plate (6) extending above the feeding chain on the inner side is fixedly connected to the ear picking support.
6. The self-excited vibration low-loss corn snapping mechanism of claim 1, wherein: pluck ear of grain support front end and firmly be equipped with sprocket seat (11), be connected with the feeding chain driven sprocket who meshes with the feeding chain through overspeed device tensioner on sprocket seat (11), the shaft of feeding chain driven sprocket passes downwards along the slot hole of tensioning direction division on the sprocket seat, overspeed device tensioner includes lug I (42) with the shaft rigid coupling of feeding chain driven sprocket, lug II (38) with sprocket seat rigid coupling to and pass screw rod (33) of lug I and lug II in proper order, screw rod (33) and lug II (38) fixed connection, the cover is equipped with compression spring (35) that one end top to lug I and the stop device that is located the compression spring other end on the screw rod.
7. The self-excited vibration low-loss corn snapping mechanism of claim 6, wherein: the limiting device comprises an adjusting nut (39) connected to the screw rod through threads and a gasket II (40) located between the adjusting nut and the compression spring.
8. The self-excited vibration low-loss corn snapping mechanism of claim 6 or 7, wherein: the screw rod of lug I one side of keeping away from compression spring has gland nut through threaded connection.
9. The self-excited vibration low-loss corn snapping mechanism of claim 6, wherein: the screw rod is fixedly connected with the lifting lug II, namely, fastening nuts connected with the screw rod through threads are respectively arranged on two sides of the lifting lug II (38).
10. The self-excited vibration low-loss corn snapping mechanism of claim 1, wherein: driven bevel gears (23) are respectively fixedly arranged on the driving sprocket wheel shafts (26) of the two feeding chains, the two driven bevel gears are respectively connected with driving bevel gears (27) in a meshing manner, and the two driving bevel gears (27) are fixedly arranged on the same power input shaft (7).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920859077.2U CN210226240U (en) | 2019-06-10 | 2019-06-10 | Corn self-excited vibration low-loss ear picking mechanism |
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| CN201920859077.2U CN210226240U (en) | 2019-06-10 | 2019-06-10 | Corn self-excited vibration low-loss ear picking mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112042379A (en) * | 2020-09-10 | 2020-12-08 | 林小娜 | Can change and reap line spacing and can prevent dead maize reaping apparatus of card |
| CN113141858A (en) * | 2021-03-17 | 2021-07-23 | 常州大学 | Resonance fatigue type corncob picking device |
-
2019
- 2019-06-10 CN CN201920859077.2U patent/CN210226240U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112042379A (en) * | 2020-09-10 | 2020-12-08 | 林小娜 | Can change and reap line spacing and can prevent dead maize reaping apparatus of card |
| CN113141858A (en) * | 2021-03-17 | 2021-07-23 | 常州大学 | Resonance fatigue type corncob picking device |
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