CN220765649U - Driven wheel of chain type soil sampler of full-film-covered seeder - Google Patents
Driven wheel of chain type soil sampler of full-film-covered seeder Download PDFInfo
- Publication number
- CN220765649U CN220765649U CN202420488059.9U CN202420488059U CN220765649U CN 220765649 U CN220765649 U CN 220765649U CN 202420488059 U CN202420488059 U CN 202420488059U CN 220765649 U CN220765649 U CN 220765649U
- Authority
- CN
- China
- Prior art keywords
- bearing
- wheel
- oil
- driven wheel
- roll shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002689 soil Substances 0.000 title claims abstract description 36
- 238000007789 sealing Methods 0.000 claims description 7
- 239000002362 mulch Substances 0.000 claims 5
- 210000003128 head Anatomy 0.000 claims 1
- 210000002489 tectorial membrane Anatomy 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 6
- 239000010902 straw Substances 0.000 abstract description 6
- 238000004804 winding Methods 0.000 abstract description 3
- 238000009331 sowing Methods 0.000 description 4
- 235000014121 butter Nutrition 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005527 soil sampling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Soil Working Implements (AREA)
Abstract
The utility model discloses a driven wheel of a chain type soil sampler of a full-film-covered seeder, which comprises a roll shaft, wherein a convex wheel is arranged in the middle of the roll shaft through two-disc bearings, a plurality of screw holes are annularly distributed at two ends of the convex wheel, bearing covers are arranged at two ends of the convex wheel, two oil seals which are overlapped together are arranged in the bearing covers, counter sunk holes corresponding to the screw holes are arranged in the bearing covers, and hexagon socket screws arranged in the counter sunk holes and the screw holes fix the bearing covers on the convex wheel; an oil cavity is arranged between the two disc bearings, one end of the roll shaft is provided with a nozzle tip mounting opening, and an oil duct which is used for communicating the oil cavity with the nozzle tip mounting opening is arranged in the roll shaft. The novel straw-winding machine is reasonable in structure, firm in installation, small in running resistance, long in service life, and does not wind crop straws.
Description
Technical Field
The utility model belongs to the technical field of agricultural seeding machinery, and particularly relates to a driven wheel of a chain type soil sampler of a full-film-covered seeder.
Background
In order to reduce ground water evaporation and improve the yield-increasing potential of the plastic film mulching technology, the full-mulching cultivation technology is popularized in a large area in recent years. Because the mulching film covers the whole ground, the soil pressed by the mulching film is covered by the mulching film on both sides, and the ground after the mulching film is not subjected to soil sampling, so that the soil is sampled in front of the mulching film roller and conveyed to the mulching film soil paved on the ground at the back, and the prior art adopts a chain type soil sampler to guide the soil from the front to the back to feed the soil to the edges of the mulching film and the sowing holes for soil pressing.
In the prior art, the patent document CN212138320U of China discloses a sprocket structure of a soil covering device of a full-film covering seeder, which comprises a sprocket shaft, wherein a shaft sleeve is arranged in the middle of the sprocket shaft through two bearings, the middle of the shaft sleeve is fixedly connected with a roller wheel for supporting a conveying chain, two ends of the shaft sleeve are respectively provided with an oil seal and an oil seal cover which are sleeved on the sprocket shaft, and the outer sides of the two oil seal covers are fixedly connected with a shaft protection sleeve which is sleeved on the sprocket shaft. The disadvantages of this patent are: (1) The design aims to reduce the entry of soil into the bearing through the oil seal and prolong the service life of the bearing, however, a gap is necessarily formed between the shaft protection sleeve and the chain wheel shaft, soil is easy to enter the gap, the rotation resistance of the roller wheel is increased, and the soil in the gap is also easy to be extruded and enter the bearing through the oil seal; (2) The structure of filling butter is not arranged, so that the bearing is frequently lack of oil lubrication, the rolling resistance of the roller is increased, and the service life of the bearing is influenced; (3) The roller shaft is not firmly fixed, and the roller and the oil seal cover are easy to axially deviate to increase the running resistance. (4) The oil seal cover is fixed by the screw, and the screw cap protrudes out of the oil seal cover, so that the screw cap is easy to wind crop straws during sowing operation, and normal sowing and soil sampling operation is affected.
In the prior art, the tightening mechanism of the chain type soil sampler conveying chain is commonly used, tightening seats are arranged on two sides of the soil guiding barrel, tightening screws are arranged on the tightening seats, and the tightening seats and the tightening screws arranged on the outer side of the soil guiding barrel are easy to wind crop straws, so that normal sowing operation is affected.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provide the driven wheel of the chain type soil sampler of the full-film-covered seeder, which has the advantages of reasonable structure, firm installation, small running resistance, no winding of crop straws and long service life.
The technical scheme adopted by the utility model is as follows: the driven wheel of the chain type soil sampler of the full-film-covered seeder comprises a roller shaft, wherein a convex wheel is arranged in the middle of the roller shaft, bearing covers are arranged on the roller shafts at two ends of the convex wheel, an oil cavity section is arranged in the middle of the roller shaft, bearing oil seal sections with the diameter smaller than that of the oil cavity section are arranged at two ends of the oil cavity section, shaft end sections with the diameter smaller than that of the bearing oil seal sections are arranged outside the bearing oil seal sections, positioning grooves are formed in the shaft end sections at the two shaft ends, external threads are formed in the shaft end sections at the outer sides of the positioning grooves, shaft end nuts are arranged on the external threads, a glib installation opening is formed in one end of the roller shaft, and an oil duct for communicating the oil cavity with the glib installation opening is formed in the roller shaft; the convex wheel is arranged in the middle of the roll shaft through a bearing sleeved on the inner sides of the two bearing oil seal sections; an inner annular step and an outer annular step are arranged on the inner side of the bearing cover, a convex ring extending into the inner part of the outer side end of the convex wheel is arranged between the inner annular step and the outer annular step, two oil seals sleeved on the bearing oil seal section are arranged in the inner annular step, and the two oil seals are overlapped together; the both ends of protruding type wheel are equipped with a plurality of screw holes that annular distributes, and the bearing cap is equipped with the countersink corresponding with the screw hole, installs the hexagon socket head cap screw in countersink and screw hole and fixes the bearing cap on protruding type wheel.
Preferably, the utility model further comprises a tensioning assembly for tensioning the conveying chain, wherein the tensioning assembly comprises a pull plate sleeved on the shaft end section through a through hole, the pull plate is fixedly connected with a tensioning screw rod, and a tensioning end cap and a tensioning nut are arranged on the tensioning screw rod.
Preferably, an annular sealing gasket is arranged on the outer annular step on the inner side of the bearing cover.
Preferably, the bearing is a ball bearing.
Preferably, the outer side of the bearing cover is provided with an annular boss.
Preferably, an annular oil cavity groove is arranged in the convex wheel.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The roll shaft comprises a middle oil cavity section, bearing oil seal sections at two ends of the oil cavity section and shaft end sections at the outer sides of the bearing oil seal sections, and the overall structure of the roll shaft is thick in the middle and thin at two ends; the step of the limit bearing is arranged between the oil cavity section and the bearing oil seal section, so that the axial movement of the bearing and the convex wheel can be avoided, and the installation is more firm. The shaft end section is a shaft section protruding outside the convex wheel and the bearing cover, is the thinnest, is favorable for being arranged on a notch at the front end of the soil guiding cylinder, is favorable for being provided with a shaft end nut, and is favorable for reducing resistance.
(2) The utility model is provided with the positioning grooves on the two shaft end sections, and the notch at the front end of the soil guide cylinder is clamped in the positioning grooves during installation, so that the shaft end nuts can be prevented from falling off due to rotation of the roller shaft, the convex wheel can be prevented from transversely shaking due to looseness of the roller shaft, and the unstable operation problem of the chain type soil sampler can be avoided.
(3) According to the utility model, the convex ring extending into the inner part of the outer side end of the convex wheel is arranged between the inner annular step and the outer annular step, so that the contact area between the bearing cover and the convex wheel is increased, and the tightness is improved.
(4) According to the utility model, the two oil seals which are overlapped are arranged in the inner annular step, the annular sealing gasket is arranged on the outer annular step, the sealing performance is improved by the annular sealing gasket and the two oil seals, and sand and soil are prevented from entering and grease from exuding more effectively.
(5) The utility model discloses a cam, which is characterized in that a plurality of screw holes are annularly distributed at two ends of the cam, a bearing cover is provided with countersunk holes corresponding to the screw holes, and hexagon socket screws arranged in the countersunk holes and the screw holes fix the bearing cover on the cam; the screw head of the inner hexagon screw sinks into the countersunk head hole, and the screw head does not protrude outside the bearing cover, so that the screw head can be prevented from winding crop straws, and the resistance is reduced.
(6) The convex wheel is internally provided with an annular oil cavity groove. The oil cavity capacity is increased, more butter can be filled at a time, and the butter filling times can be reduced.
(7) The tensioning assembly comprises a pull plate sleeved on the shaft end section through a through hole, wherein the pull plate is fixedly connected with a tensioning screw rod, and a tensioning end cap and a tensioning nut are arranged on the tensioning screw rod. The front end of the soil guiding barrel of the chain type soil sampler is provided with the notch for installing the driven wheel, the tensioning end cap can be sleeved on the soil guiding barrel at the front end of the notch, the tensioning nut can be screwed down to adjust the tightness of the conveying chain through the tensioning screw, the tensioning seat is not required to be arranged on the outer side of the soil guiding barrel, and the problem that the tensioning seat is wound with crop straws is avoided.
Drawings
FIG. 1 is a schematic perspective view of a driven wheel of a chain type soil sampler of a full film mulching planter of the present utility model;
FIG. 2 is a schematic view of the planing structure of the driven wheel main body part of the chain type soil sampler of the full film planter of the present utility model;
FIG. 3 is a schematic perspective view of a roll shaft of the present utility model;
FIG. 4 is a schematic perspective view of a cam of the present utility model;
FIG. 5 is a schematic perspective view of the inside view of the bearing cap of the present utility model;
FIG. 6 is a schematic perspective view of the bearing cap of the present utility model from the outside perspective;
FIG. 7 is a schematic perspective view of the tension assembly of the present utility model;
in the figure: the novel oil seal device comprises a roller shaft, a 2 oil cavity section, a 3 bearing oil seal section, a 4 shaft end section, a 5 positioning groove, a 6 external thread, a 7 shaft end nut, an 8 oil nozzle mounting port, a 9 oil cavity, a 10 oil duct, a 11 convex wheel, a 12 screw hole, a 13 annular oil cavity groove, a 14 ball bearing, a 15 bearing cover, a 16 inner annular step, a 17 outer annular step, a 18 convex ring, a 19 annular boss, a 20 oil seal, a 22 countersunk hole, a 23 inner hexagonal screw, a 24 annular sealing gasket, a 25 through hole, a 26 pull plate, a 27 tensioning screw, a 28 tensioning end cap and a 29 tensioning nut.
Detailed Description
Embodiments of the technical scheme of the present utility model are described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
Examples: as shown in fig. 1 to 7, the driven wheel of the chain type soil sampler of the full-film seeder comprises a roll shaft 1, a convex wheel 11 and a bearing cover 15, wherein an oil cavity section 2 is arranged in the middle of the roll shaft 1, bearing oil seal sections 3 with the diameter smaller than that of the oil cavity section 2 are arranged at two ends of the oil cavity section 2, shaft end sections 4 with the diameter smaller than that of the bearing oil seal sections 3 are arranged outside the bearing oil seal sections 3, positioning grooves 5 are arranged on the two shaft end sections 4, external threads 6 are arranged on the shaft end sections 4 outside the positioning grooves 5, shaft end nuts 7 are arranged on the external threads 6, an oil nozzle mounting opening 8 is arranged at one end of the roll shaft 1, and an oil duct 10 which is used for communicating an oil cavity 9 with the oil nozzle mounting opening 8 is arranged inside the roll shaft 1; the convex wheel 11 is arranged in the middle of the roll shaft 1 through a ball bearing 14 sleeved on the inner sides of the two bearing oil seal sections 3, an annular oil cavity groove 13 is arranged in the convex wheel 11, an inner annular step 16 and an outer annular step 17 are arranged on the inner side of the bearing cover 15, a convex ring 18 extending into the inner part of the outer side end of the convex wheel 11 is arranged between the inner annular step 16 and the outer annular step 17, and an annular boss 19 is arranged on the outer side of the bearing cover 15. Two oil seals 20 sleeved on the bearing oil seal section 3 are arranged in the inner annular step 16, the two oil seals 20 are overlapped together, and an annular sealing gasket 24 is arranged on the outer annular step 17; the two ends of the convex wheel 11 are provided with a plurality of annularly distributed screw holes 12, the bearing cover 15 is provided with countersunk holes 22 corresponding to the screw holes 12, and the inner hexagon screws 23 arranged in the countersunk holes 22 and the screw holes 12 fix the bearing cover 15 on the convex wheel 11; the tensioning assembly comprises a pull plate 26 sleeved on the shaft end section 4 through a through hole 25, the pull plate 26 is fixedly connected with a tensioning screw rod 27, and a tensioning end cap 28 and a tensioning nut 29 are arranged on the tensioning screw rod 27.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
Claims (6)
1. The utility model provides a complete driven wheel of tectorial membrane seeder chain formula geotome, it includes the roller, roller mid-mounting protruding wheel, installs the bearing cap on the roller at protruding wheel both ends, its characterized in that: the middle of the roll shaft is an oil cavity section, two ends of the oil cavity section are bearing oil seal sections with the diameter smaller than that of the oil cavity section, the outer side of the bearing oil seal section is a shaft end section with the diameter smaller than that of the bearing oil seal section, positioning grooves are formed in the two shaft end sections, external threads are formed in the shaft end section outside the positioning grooves, shaft end nuts are mounted on the external threads, a nozzle tip mounting opening is formed in one end of the roll shaft, and an oil duct which is used for communicating the oil cavity with the nozzle tip mounting opening is formed in the roll shaft; the convex wheel is arranged in the middle of the roll shaft through a bearing sleeved on the inner sides of the two bearing oil seal sections; an inner annular step and an outer annular step are arranged on the inner side of the bearing cover, a convex ring extending into the inner part of the outer side end of the convex wheel is arranged between the inner annular step and the outer annular step, two oil seals sleeved on the bearing oil seal section are arranged in the inner annular step, and the two oil seals are overlapped together; the both ends of protruding type wheel are equipped with a plurality of screw holes that annular distributes, and the bearing cap is equipped with the countersink corresponding with the screw hole, installs the hexagon socket head cap screw in countersink and screw hole and fixes the bearing cap on protruding type wheel.
2. The driven wheel of a chain soil sampler of a full mulch planter as claimed in claim 1 wherein: the tensioning assembly comprises a pull plate sleeved on the shaft end section through a through hole, the pull plate is fixedly connected with a tensioning screw rod, and a tensioning end cap and a tensioning nut are arranged on the tensioning screw rod.
3. The driven wheel of a chain soil sampler of a full mulch planter as claimed in claim 2, wherein: an annular sealing gasket is arranged on the outer annular step at the inner side of the bearing cover.
4. A driven wheel of a chain soil sampler of a full mulch planter according to claim 3 wherein: the bearing is a ball bearing.
5. The driven wheel of a chain soil sampler of a full mulch planter as claimed in claim 4 wherein: the outer side of the bearing cover is provided with an annular boss.
6. The driven wheel of a chain soil sampler of a full mulch planter as claimed in claim 5 wherein: an annular oil cavity groove is arranged in the convex wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420488059.9U CN220765649U (en) | 2024-03-14 | 2024-03-14 | Driven wheel of chain type soil sampler of full-film-covered seeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420488059.9U CN220765649U (en) | 2024-03-14 | 2024-03-14 | Driven wheel of chain type soil sampler of full-film-covered seeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220765649U true CN220765649U (en) | 2024-04-12 |
Family
ID=90598265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420488059.9U Active CN220765649U (en) | 2024-03-14 | 2024-03-14 | Driven wheel of chain type soil sampler of full-film-covered seeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220765649U (en) |
-
2024
- 2024-03-14 CN CN202420488059.9U patent/CN220765649U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2561083A1 (en) | Disk assembly for an agricultural implement | |
| CN220765649U (en) | Driven wheel of chain type soil sampler of full-film-covered seeder | |
| CN108713400B (en) | Flexible disturbance spike tooth mechanism of high-moisture-content corn threshing cylinder | |
| US7344099B1 (en) | Drag system for a spinning reel | |
| CN105144931A (en) | Air suction type precision pseudo-ginseng seed sowing device | |
| CN201210797Y (en) | Seed sowing device without changing wheel | |
| CN110278746A (en) | A kind of novel interior indent einkorn feed mechanism for seed | |
| CN220828423U (en) | Single-multi-head embroidery machine integrated tensioning wheel bearing | |
| CN221170658U (en) | Agricultural reduction gearbox | |
| CN210461554U (en) | Brushless planetary pressing driver for electric seeder | |
| CN220581541U (en) | Special agricultural machinery bearing of peanut seeder | |
| CN201048480Y (en) | Grass-tangling-proof structure for harvester walking mechanism | |
| CN221034278U (en) | Axial pretightening force sealing shaft structure | |
| CN220118607U (en) | Sealing structure of gear box | |
| CN214534306U (en) | Belt transmission tensioning device | |
| CN216601347U (en) | Sealing ring and fishing reel waterproof structure thereof | |
| CN219652037U (en) | Turning machine roller structure | |
| CN209557326U (en) | A kind of maintenance-free filler sealing structure | |
| CN220488123U (en) | Bearing special for agricultural machinery | |
| CN220850358U (en) | Floating oil seal press-fitting thrust wheel | |
| CN218625331U (en) | Speed ratio box of inlet extrusion tablet press | |
| CN220726846U (en) | Double-row roller bearing for oil pump | |
| CN220581728U (en) | Pulverized coal feeding control valve for power plant | |
| CN216407472U (en) | Automobile pull rod joint mechanism | |
| CN208519148U (en) | A kind of seal drive chain wheel case of seedling planting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |