CN220711959U - Positioning and mounting structure for end part of rotary tillage cutter shaft - Google Patents
Positioning and mounting structure for end part of rotary tillage cutter shaft Download PDFInfo
- Publication number
- CN220711959U CN220711959U CN202322511373.2U CN202322511373U CN220711959U CN 220711959 U CN220711959 U CN 220711959U CN 202322511373 U CN202322511373 U CN 202322511373U CN 220711959 U CN220711959 U CN 220711959U
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- Prior art keywords
- bearing
- cutter shaft
- mounting structure
- positioning
- rotary tillage
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- 238000003971 tillage Methods 0.000 title claims abstract description 24
- 239000003921 oil Substances 0.000 claims abstract description 34
- 239000010687 lubricating oil Substances 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000002689 soil Substances 0.000 description 4
- 235000014121 butter Nutrition 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009313 farming Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Soil Working Implements (AREA)
Abstract
The utility model discloses a positioning and mounting structure for the end part of a rotary tillage cutter shaft, which comprises the following components: the bearing seat is used for supporting the bearing at the end part of the cutter shaft and sleeved on the bearing, a containing cavity used for containing and installing the bearing is arranged in the bearing seat, an opening used for installing the bearing is arranged at one end of the containing cavity, and a waterproof oil seal is arranged at the opening to seal the containing cavity. The bearing is used for supporting the end parts of the cutter shaft, so that the two ends of the cutter shaft cannot twist during cultivation, and the bearing capacity and the service life of the cutter shaft are improved. Secondly, adopt to set up single face open-ended and accomodate the chamber and protect the bearing in the bearing frame to seal the bearing in accomodating the intracavity through waterproof oil blanket, make the grit unable entering in the bearing cause the influence, in order to guarantee that the bearing can smooth and easy work. Meanwhile, the containing cavity is utilized to keep lubricating oil on the bearing, so that the rotation resistance of the bearing is reduced, the bearing is kept to rotate at a high speed, and the service life of the bearing is prolonged.
Description
Technical field:
the utility model relates to the technical field of agricultural machinery, in particular to a positioning and mounting structure for the end part of a rotary tillage cutter shaft.
The background technology is as follows:
rotary tillers are a common mechanism in agricultural machinery for tilling and turning soil. It is typically composed of a plurality of rotating tillers that, by contact with the ground and rotation, break up, turn over and mix the soil to improve the soil texture and prepare for planting.
In order to make the atress of rotary tillage knife tackle balanced, the rotary cultivator on the market at present generally adopts the setting of arranging in the middle with drive mechanism, if: the improved rotary tillage mechanism with the Chinese patent grant publication number of CN 217470678U, but in the technical scheme disclosed in the patent, the two ends of the rotary tillage cutter shaft are not provided with supporting structures, so that after working, stress at the two ends of the cutter shaft can be bent relative to the middle part, the depth of a cultivated land is inconsistent when the rotary tillage cutter is working again, the service life of the rotary tillage cutter group is greatly reduced, dynamic balance can be lost due to uneven stress when the rotary tillage cutter group is twisted at two sides of the rotary tillage cutter group, and the service life of a rotary cultivator is greatly reduced. For this purpose, it is necessary to support both ends of the cutter shaft, such as: the utility model provides a farming machine soil turning device of chinese patent grant publication CN 214545444U, in the technical scheme that this patent discloses, adopt mounting bracket 1 to support the both ends of first axostylus axostyle 2, but not protect both ends support bearing in this patent, in-process is ploughed, the grit gets into the bearing easily, cause the bearing card to die, lead to the unable normal rotation of first axostylus axostyle 2, make farming machine unable normal work, need often shut down the maintenance, and after the bearing card dies, first axostylus axostyle 2 can receive torsion anyway, cause first axostylus axostyle 2 distortion, or drive mechanism beat tooth wearing and tearing, perhaps cause drive assembly 4 load too big damage.
In view of this, the present inventors have proposed the following means.
The utility model comprises the following steps:
the utility model aims to overcome the defects of the prior art and provides a positioning and mounting structure for the end part of a rotary tillage cutter shaft.
In order to solve the technical problems, the utility model adopts the following technical scheme: a positioning and mounting structure for the end part of a rotary tillage cutter shaft, comprising: the bearing seat is used for supporting the bearing at the end part of the cutter shaft and sleeved on the bearing, a containing cavity used for containing and installing the bearing is arranged in the bearing seat, an opening used for installing the bearing is arranged at one end of the containing cavity, and a waterproof oil seal is arranged at the opening to seal the containing cavity.
Furthermore, in the above technical scheme, the other end of the accommodating cavity is provided with an oil filling hole for adding lubricating oil, and the oil filling hole is a counter bore and is plugged by a screw.
Furthermore, in the above technical scheme, the end part of the cutter shaft is supported in a butt joint manner through a certain mandrel, and the bearing and the waterproof oil seal are both sleeved on the centering mandrel.
Furthermore, in the above technical solution, one end of the centering shaft is provided with a cone portion for mounting the bearing, and the bearing is sleeved on the cone portion; the middle part of the centering shaft is provided with a shaft shoulder for limiting the inner ring of the bearing, and the waterproof oil jacket is arranged on the shaft shoulder.
Furthermore, in the above technical scheme, one end of the shaft shoulder is provided with a stop ring for limiting the waterproof oil seal, and the stop ring is located at the other end of the positioning shaft.
Furthermore, in the above technical scheme, the outer ring of the bearing is fixed in the accommodating cavity through a snap spring, and a snap ring groove for installing the snap spring is arranged in the middle of the accommodating cavity.
Furthermore, in the above technical solution, the bearing is a self-aligning roller bearing, which includes the inner ring, the outer ring, and a first roller and a second roller symmetrically disposed between the inner ring and the outer ring.
Furthermore, in the above technical scheme, a convex ring for mounting and fixing is arranged on the outer wall of the bearing seat, and the convex ring is fixed on the supporting side plate through a plurality of first bolt groups.
Furthermore, in the above technical scheme, the outside of supporting the curb plate is fixed with through welded mode and strengthens the panel beating and overlap and locate the peripheral protection steel ring of bearing frame.
Furthermore, in the above technical scheme, at least four mounting holes for the first bolt group to pass through are formed in the periphery of the convex ring, and the upper end of the supporting side plate is fixed on the rotary cultivator through a plurality of second bolts.
By adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the bearing is used for supporting the end parts of the cutter shaft, so that the two ends of the cutter shaft cannot twist during cultivation, and the bearing capacity and the service life of the cutter shaft are improved. Secondly, set up in the bearing frame and accomodate the chamber and protect the bearing to seal the bearing in accomodating the intracavity through waterproof oil blanket, make the grit unable entering bearing in cause the influence, in order to guarantee that the bearing can smooth and easy work. Meanwhile, the containing cavity is utilized to keep lubricating oil on the bearing, so that the rotation resistance of the bearing is reduced, the bearing is kept to rotate at a high speed, and the service life of the bearing is prolonged.
Description of the drawings:
FIG. 1 is an exploded view of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is a state diagram of the use of the present utility model;
fig. 4 is a second state diagram of the use of the present utility model.
The specific embodiment is as follows:
the utility model will be further described with reference to specific examples and figures.
Referring to fig. 1 to 4, a positioning and mounting structure for an end portion of a rotary tillage cutter shaft includes: the bearing comprises a bearing 2 for supporting the end part of a cutter shaft and a bearing seat 3 sleeved on the bearing 2, wherein a containing cavity 4 for containing and installing the bearing 2 is arranged in the bearing seat 3, an opening 41 for installing the bearing 2 is arranged at one end of the containing cavity 4, and a waterproof oil seal 5 is arranged at the opening 41 to seal the containing cavity 4. The end parts of the cutter shaft are supported by adopting the bearings 2, so that the two ends of the cutter shaft cannot twist during cultivation, and the bearing capacity and the service life of the cutter shaft are improved. Secondly, adopt to set up single face open-ended in bearing frame 3 and accomodate chamber 4 and protect bearing 2 to seal bearing 2 in accomodating chamber 4 through waterproof oil blanket 5, make the grit unable entering bearing 2 in causing the influence, in order to guarantee that bearing 2 can smooth and easy work. Meanwhile, the containing cavity 4 is utilized to keep lubricating oil on the bearing 2 so as to reduce the rotation resistance of the bearing 2, enable the bearing 2 to rotate at a high speed and prolong the service life of the bearing 2.
The other end of the accommodating cavity 4 is provided with an oil filling hole 42 for adding lubricating oil, the oil filling hole 42 is plugged by a screw 6, and the oil filling hole 42 is a counter bore. The oil filling hole 42 is arranged at the other end of the storage cavity 4 to add lubricating oil, the waterproof oil seal 5 is not required to be detached for each time to detect and add the lubricating oil, and the oil filling hole 42 is arranged as a counter bore, so that the grease filling is convenient, in addition, the screw 6 can be embedded into the oil filling hole 42, and the possibility of collision scratch of a grease nipple is effectively solved. Through the bearing seat 3 with the single-sided opening, a group of waterproof oil seals 5 can be reduced, the cost is reduced, the lubricating oil is convenient to maintain, and the installation is simpler and more convenient.
In an embodiment, the end part of the cutter shaft is supported in a butt joint way through a certain mandrel 1, and the bearing 2 and the waterproof oil seal 5 are both sleeved on the mandrel 1. The centering shaft 1 is adopted for butt joint installation of the cutter shaft, so that the hollow shaft body is convenient to use, and the universality is improved. One end of the centering shaft 1 is provided with a cone part 11 for installing the bearing 2, and the bearing 2 is sleeved on the cone part 11; the middle part of the centering shaft 1 is provided with a shaft shoulder 12 for limiting an inner ring 21 in the bearing 2, and the waterproof oil seal 5 is sleeved on the shaft shoulder 12. The bearing 2 is installed by arranging the cone part 11 at one end of the centering shaft 1, the centering shaft 1 is convenient to assemble and disassemble by using the taper setting, and the coaxiality is higher, and the positioning is more accurate. One end of the shaft shoulder 12 is provided with a baffle ring 13 for limiting the waterproof oil seal 5, and the baffle ring 13 is positioned at the other end of the positioning shaft 1. The outer ring 22 of the bearing 2 is fixed in the accommodating cavity 4 through a clamp spring 7, and a clamp ring groove 43 for installing the clamp spring 7 is arranged in the middle of the accommodating cavity 4. The bearing 2 is a self-aligning roller bearing, and comprises the inner ring 21, the outer ring 22, a first roller 23 and a second roller 24 symmetrically arranged between the inner ring 21 and the outer ring 22. The bearing 2 is a self-aligning roller bearing, so that the problem of the effect of small deviation between the maintenance, disassembly and assembly of the bearings 2 on the two sides of the rotary tillage part and the middle gear box is solved.
The outer wall of the bearing seat 3 is provided with a convex ring 31 for installation and fixation, and the convex ring 31 is fixed on the supporting side plate 8 through a plurality of first bolt groups 32. The outside of the supporting side plate 8 is fixed with a reinforcing sheet metal 81 and a protective steel ring 82 sleeved on the periphery of the bearing seat 3 in a welding mode. At least four mounting holes 311 for the first bolt group 32 to pass through are formed in the periphery of the convex ring 31, and the upper end of the supporting side plate 8 is fixed on the rotary cultivator through a plurality of second bolts 83.
In summary, when the utility model is used, the bearing 2 is firstly put into the accommodating cavity 4 of the bearing seat 3 and is clamped into the clamping ring groove 43 through the clamping spring 7 for fixation; further, the waterproof oil seal 5 is sleeved on the centering shaft 1, then the cone part 11 of the centering shaft 1 is inserted into the accommodating cavity 4, so that the inner ring 21 of the bearing 2 is sleeved on the cone part 11, or the waterproof oil seal 5 is clamped into the accommodating cavity 4, then the cone part 11 of the centering shaft 1 is inserted into the accommodating cavity 4, so that the inner ring 21 of the bearing 2 is sleeved on the cone part 11, and meanwhile, the waterproof oil seal 5 is sleeved on the shaft shoulder 12; further, a sufficient amount of butter is injected into the accommodating cavity 4 from the oil filling hole 42, the screw 6 is fixed on the oil filling hole 42, the oil filling hole 42 is blocked, sand is prevented from entering the accommodating cavity 4, and when the butter is required to be added, the butter can be quickly replenished into the accommodating cavity 4 by removing the screw 6; further, the support side plate 8 is fixed to the rotary cultivator by the second bolts 83, and the bearing housing 3 is fixed to the support side plate 8 by the mounting holes 311 through which the first bolt group 32 passes.
It is understood that the foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, but rather is to be accorded the full scope of all such modifications and equivalent structures, features and principles as set forth herein.
Claims (10)
1. The utility model provides a location mounting structure of rotary tillage arbor tip which characterized in that includes: bearing (2) and cover are located for supporting arbor tip bearing (3) on bearing (2), be provided with in bearing (3) and be used for accomodating the installation accomodate chamber (4) of bearing (2), the one end of this accomodate chamber (4) is provided with be used for opening (41) of bearing (2) installation, this opening (41) department is provided with waterproof oil blanket (5) right accomodate chamber (4) are sealed.
2. The positioning and mounting structure of the end part of the rotary tillage cutter shaft according to claim 1, which is characterized in that: the other end of the containing cavity (4) is provided with an oil filling hole (42) for adding lubricating oil, and the oil filling hole (42) is a counter bore and is blocked by a screw (6).
3. The positioning and mounting structure of the end part of the rotary tillage cutter shaft according to claim 1, which is characterized in that: the end part of the cutter shaft is supported in a butt joint way through a certain mandrel (1), and the bearing (2) and the waterproof oil seal (5) are sleeved on the centering mandrel (1).
4. A positioning and mounting structure for the end of a rotary tillage cutter shaft according to claim 3, wherein: one end of the centering shaft (1) is provided with a cone part (11) for installing the bearing (2), and the bearing (2) is sleeved on the cone part (11); the middle part of the centering shaft (1) is provided with a shaft shoulder (12) for limiting an inner ring (21) in the bearing (2), and the waterproof oil seal (5) is sleeved and installed on the shaft shoulder (12).
5. The positioning and mounting structure for the end part of a rotary tillage cutter shaft according to claim 4, which is characterized in that: one end of the shaft shoulder (12) is provided with a baffle ring (13) used for limiting the waterproof oil seal (5), and the baffle ring (13) is positioned at the other end of the centering shaft (1).
6. The positioning and mounting structure for the end part of a rotary tillage cutter shaft according to claim 4, which is characterized in that: the outer ring (22) of the bearing (2) is fixed in the accommodating cavity (4) through a clamp spring (7), and a clamp ring groove (43) for installing the clamp spring (7) is arranged in the middle of the accommodating cavity (4).
7. The positioning and mounting structure of the end part of the rotary tillage cutter shaft according to claim 6, which is characterized in that: the bearing (2) is a self-aligning roller bearing and comprises an inner ring (21), an outer ring (22), and a first roller (23) and a second roller (24) which are symmetrically arranged between the inner ring (21) and the outer ring (22).
8. The positioning and mounting structure for the end of a rotary blade shaft according to any one of claims 1 to 7, wherein: the outer wall of the bearing seat (3) is provided with a convex ring (31) for installation and fixation, and the convex ring (31) is fixed on the supporting side plate (8) through a plurality of first bolt groups (32).
9. The positioning and mounting structure of the end part of the rotary tillage cutter shaft according to claim 8, which is characterized in that: the outer side of the supporting side plate (8) is fixed with a reinforcing sheet metal (81) and a protective steel ring (82) sleeved on the periphery of the bearing seat (3) in a welding mode.
10. The positioning and mounting structure of the end part of the rotary tillage cutter shaft according to claim 8, which is characterized in that: the circumference is provided with at least four mounting holes (311) that are used for supplying first bolt group (32) pass on bulge loop (31), support curb plate (8) upper end is fixed in on the rotary cultivator through many second bolts (83).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322511373.2U CN220711959U (en) | 2023-09-13 | 2023-09-13 | Positioning and mounting structure for end part of rotary tillage cutter shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322511373.2U CN220711959U (en) | 2023-09-13 | 2023-09-13 | Positioning and mounting structure for end part of rotary tillage cutter shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220711959U true CN220711959U (en) | 2024-04-05 |
Family
ID=90490511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322511373.2U Active CN220711959U (en) | 2023-09-13 | 2023-09-13 | Positioning and mounting structure for end part of rotary tillage cutter shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220711959U (en) |
-
2023
- 2023-09-13 CN CN202322511373.2U patent/CN220711959U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240427 Address after: 523000 2nd floor, building C, Lianshang Zhizao Industrial Park, Chuangxing Road, Xiaoyong village, Gaopo Town, Dongguan City, Guangdong Province Patentee after: Xue Haitong Country or region after: China Address before: No. 149, Group 2, Xiayu Village, Qiangjiao Town, Ninghai County, Ningbo City, Zhejiang Province, 315600 Patentee before: Su Yuan Country or region before: China |