CN221240821U - Main shaft assembly of anti-reversing roller seeder - Google Patents
Main shaft assembly of anti-reversing roller seeder Download PDFInfo
- Publication number
- CN221240821U CN221240821U CN202322871937.3U CN202322871937U CN221240821U CN 221240821 U CN221240821 U CN 221240821U CN 202322871937 U CN202322871937 U CN 202322871937U CN 221240821 U CN221240821 U CN 221240821U
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- Prior art keywords
- sleeve
- bearing
- main shaft
- annular step
- return
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- 230000020347 spindle assembly Effects 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 4
- 238000010899 nucleation Methods 0.000 description 12
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003405 preventing effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Sowing (AREA)
Abstract
The utility model discloses an anti-reverse rotary drum seeder main shaft assembly, which comprises a fixed sleeve and an integral rotatable sleeve formed by a bearing sleeve and a non-return sleeve, wherein the rotatable sleeve comprises the non-return sleeve with the outer diameter larger than that of the bearing sleeve, an outer annular step is formed at the joint of the non-return sleeve and the bearing sleeve, and an outer snap ring groove is formed on the right side of the bearing sleeve; the bearing sleeve is rotatably arranged in the fixed sleeve, a disc spring or a wave spring is arranged between the outer annular step and the fixed sleeve, and an outer clamping spring ring groove is embedded into an outer clamping spring to elastically press and install the rotatable sleeve on the fixed sleeve; a main shaft of which the right side end extends out of the rotatable sleeve is arranged in the rotatable sleeve; a ratchet wheel is fixedly arranged on the left side of a main shaft in the non-return sleeve, and a steel ball is arranged in each tooth slot of the ratchet wheel. The rotary drum seeder can prevent the rotary drum seeder from reversing, and simultaneously prevent the rotary drum and the main shaft from locking, so that the rotary drum seeder and components thereof are prevented from being damaged.
Description
Technical Field
The utility model belongs to the technical field of agricultural machinery, and particularly relates to an anti-reversing roller seeder main shaft assembly.
Background
The roller seeder is a kind of seeder that prior art seeder often adopted, and at present, the main shaft of roller seeder is generally only installed in the seeding frame through the bearing, and tractor traction seeder seeding in-process, roller seeder roll subaerial, plays the seed in soil through the duckbilled sowing mouth that radial set up around the cylinder.
In the prior art, the roller seeder is mostly not provided with an anti-reversing mechanism, or the roller of the roller seeder is prevented from reversing by a one-way bearing and an anti-reversing ratchet wheel structure. When the tractor pulls the seeder to operate, the situation that the seeder is not hung up is unavoidable, the roller is reversed to easily cause damage to the components of the roller seeder or inaccurate seeding amount, and if a one-way bearing or an anti-reversion ratchet wheel is adopted, the locking phenomenon occurs, and the one-way bearing, the anti-reversion ratchet wheel and other components are easily damaged.
Disclosure of utility model
The utility model aims to solve the problems in the prior art and provide an anti-reversing rotary drum seeder main shaft assembly, which can prevent the rotary drum seeder from reversing, and simultaneously prevent the rotary drum and the main shaft from locking and avoid damaging the rotary drum seeder and components thereof.
The technical scheme of the utility model is realized as follows: an anti-reverse drum planter spindle assembly, characterized in that: the anti-reverse sleeve comprises a fixed sleeve and a rotatable sleeve, wherein the rotatable sleeve comprises a left bearing sleeve and a right anti-reverse sleeve which are integrated, the outer diameter of the anti-reverse sleeve is larger than that of the bearing sleeve, an outer annular step is formed at the joint of the anti-reverse sleeve and the bearing sleeve, and an outer snap ring groove is formed on the right side of the bearing sleeve; the bearing sleeve is rotatably arranged in the fixed sleeve, a disc spring or a wave spring is arranged between the outer annular step and the fixed sleeve, and an outer clamping spring ring groove is embedded into an outer clamping spring to elastically press and install the rotatable sleeve on the fixed sleeve; a main shaft of which the right side end extends out of the rotatable sleeve is arranged in the rotatable sleeve through a left bearing and a right bearing in a bearing sleeve; a ratchet wheel is fixedly arranged on the left side of a main shaft in the non-return sleeve, and a steel ball is arranged in each tooth slot of the ratchet wheel.
Further, the ratchet wheel is arranged at the left end of the main shaft, the left end face of the main shaft is level with the left end face of the ratchet wheel, the left side of the ratchet wheel in the non-return sleeve is provided with a steel ball baffle disc, and the right side of the ratchet wheel is provided with a steel ball baffle ring sleeved on the main shaft.
Further, the inner diameter of the non-return sleeve is larger than that of the bearing sleeve, a first inner annular step is formed at the joint of the non-return sleeve and the bearing sleeve, a first inner clamping spring ring groove is formed in the inner wall of the non-return sleeve, a first inner clamping spring is embedded in the first inner clamping spring ring groove, and the steel ball baffle disc, the ratchet wheel, the steel ball and the steel ball baffle ring are packaged between the first inner clamping spring and the first inner annular step in the non-return sleeve.
Further, the inner diameters of the two ends of the bearing sleeve are larger than the inner diameter of the middle section of the bearing sleeve, a second inner annular step is formed on the left side in the bearing sleeve, a third inner annular step is formed on the right side in the bearing sleeve, the left bearing is installed close to the second inner annular step, and the right bearing is installed close to the third inner annular step.
Further, a second inner clamping spring ring groove is formed in the inner wall of the right bearing, the second inner clamping spring ring groove is embedded and provided with a second inner clamping spring, and the right bearing is packaged between the third inner annular step and the second inner clamping spring.
Further, an oil seal is arranged on the right side of the second inner clamp spring.
Further, a sealing cover is arranged at the left side end of the non-return sleeve.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the utility model, the ratchet wheel is fixedly arranged on the main shaft in the non-return sleeve, one steel ball is arranged in each tooth groove of the ratchet wheel, when the seeder is used for forward seeding operation, the roller seeder is rotated forward, the main shaft is rotated forward (rotated clockwise), the steel balls are freely moved in the tooth grooves, the rotation of the main shaft is not influenced, and the seeding operation can be normally performed; when the seeder is reversed or in other misoperation, the rotary drum seeder is reversed, the main shaft rotates reversely (anticlockwise), the steel balls in the tooth grooves roll outwards along the slopes of the ratchet teeth, the steel balls are clamped between the ratchet teeth and the inner wall of the non-return sleeve, the clamping is tighter, the main shaft and the rotary drum seeder stop rotating, the reverse rotation preventing effect can be achieved, and when the rotary drum seeder resumes to rotate forwards, the clamped steel balls automatically fall back into the tooth grooves to move freely, and the rotary drum seeder automatically resumes normal seeding operation.
(2) The bearing sleeve is rotatably arranged in the fixed sleeve, a disc spring or a wave spring is arranged between the outer annular step and the fixed sleeve, and the rotatable sleeve is elastically pressed and arranged on the fixed sleeve by an outer clamping spring which is embedded into an outer clamping spring ring groove; when the seeding machine performs the seeding operation in front, under the action of the disc spring or the wave spring, elastic friction resistance exists between the fixed sleeve and the rotatable sleeve, and the rotatable sleeve cannot rotate during the normal seeding operation; when the rotary sleeve starts to reverse when the reverse force exceeds the elastic friction resistance, the rotary sleeve can avoid the damage of the rotary sleeve and the rotary sleeve.
(3) The utility model has simple and reasonable structure and low failure rate, and is suitable for being assembled on a drum-type seeder.
Drawings
FIG. 1 is a schematic perspective view of a spindle assembly of an anti-backup drum planter in accordance with the present utility model;
FIG. 2 is a schematic perspective view of an explosion-proof main shaft assembly of the anti-reversing drum planter of the present utility model;
FIG. 3 is a schematic cross-sectional view of the spindle assembly of the anti-backup drum planter of the present utility model;
FIG. 4 is a schematic view of the rotatable sleeve of the present utility model in cross-section;
FIG. 5 is a schematic perspective view of the spindle assembly of the anti-backup drum planter of the present utility model in a state of being connected to a drum planter;
FIG. 6 is a schematic view of the normal working state of the non-return sleeve, ratchet wheel and steel ball of the present utility model;
fig. 7 is a schematic view of the anti-reverse sleeve, ratchet wheel and steel ball of the present utility model in an anti-reverse state.
In the figure: the novel rotary drum seeder comprises a fixed sleeve, a 2-bearing sleeve, a 3-non-return sleeve, a 4-outer annular step, a 5-outer snap ring groove, a 6-wave spring, a 7-outer snap ring, an 8-left bearing, a 9-right bearing, a 10-main shaft, an 11-ratchet wheel, 12-steel balls, a 13-steel ball baffle disc, a 14-steel ball baffle ring, a 15-first inner annular step, a 16-first inner snap ring groove, a 17-first inner snap ring, a 18-second inner annular step, a 19-third inner annular step, a 20-second inner snap ring groove, a 21-second inner snap ring, a 22-oil seal, a 23-sealing cover, a 24-connecting seat and a 25-drum seeder.
Detailed Description
Embodiments of the technical scheme of the present utility model will be 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.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "left", "middle", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Examples: as shown in fig. 1 to 4, an anti-reverse rotary drum seeder main shaft assembly comprises a connecting seat 24, a fixed sleeve 1 and a rotatable sleeve, wherein the rotatable sleeve comprises a left bearing sleeve 2 and a right non-return sleeve 3 which are integrated, the outer diameter of the non-return sleeve is larger than that of the bearing sleeve, an outer annular step 4 is formed at the joint of the non-return sleeve and the bearing sleeve, and an outer snap spring ring groove 5 is arranged on the right side of the bearing sleeve 2; the inner diameter of the non-return sleeve 3 is larger than that of the bearing sleeve 2, a first inner annular step 15 is formed at the joint of the non-return sleeve 3 and the bearing sleeve 2, a first inner snap spring ring groove 16 is arranged on the inner wall of the non-return sleeve 3, the inner diameters of the two ends of the bearing sleeve 2 are larger than that of the middle section of the bearing sleeve, a second inner annular step 18 is formed on the left side in the bearing sleeve 2, and a third inner annular step 19 is formed on the right side in the bearing sleeve 2.
The bearing sleeve 2 is rotatably arranged in the fixed sleeve 1, a wave spring 6 is arranged between the outer annular step 4 and the fixed sleeve 1, and an outer clamping spring ring groove 5 is embedded with an outer clamping spring 7 to elastically press and install the rotatable sleeve on the fixed sleeve 1.
A main shaft 10 of which the right side end extends out of the rotatable sleeve is arranged in the rotatable sleeve through a left bearing 8 and a right bearing 9 in the bearing sleeve 2, the left bearing 8 is arranged close to a second inner annular step 18, and the right bearing 9 is arranged close to a third inner annular step 19; the inner wall of the right bearing sleeve 2 on the right side of the right bearing 9 is provided with a second inner snap ring groove 20, the second inner snap ring groove 20 is embedded and provided with a second inner snap ring 21, the right bearing 9 is sealed between the third inner annular step 19 and the second inner snap ring 21, and the right side of the second inner snap ring 21 is provided with an oil seal 22.
A ratchet wheel 11 is fixedly arranged at the left side end of a main shaft 10 in the non-return sleeve 3, a steel ball 12 is arranged in each tooth slot of the ratchet wheel 11, the left end face of the main shaft 10 is level with the left end face of the ratchet wheel 11, a steel ball baffle disc 13 is arranged at the left side of the ratchet wheel 11 in the non-return sleeve 3, and a steel ball baffle ring 14 sleeved on the main shaft 10 is arranged at the right side of the ratchet wheel 11; the first inner snap spring ring groove 16 is embedded and provided with a first inner snap spring 17, the steel ball baffle disc 13, the ratchet wheel 11, the steel ball 12 and the steel ball baffle ring 14 are packaged between the first inner snap spring 17 and the first inner annular step 15 in the non-return sleeve 3, and the left side end of the non-return sleeve 3 is provided with a sealing cover 23.
The following briefly describes the working principle of the anti-reverse according to the utility model with reference to the accompanying drawings:
As shown in fig. 5 to 7, the present utility model is mounted on a frame of a planter through a connection base 24, and the right side of the main shaft 10 is connected with a roller planter 25; when the seeder moves forward for seeding operation, the roller seeder 25 rotates forward, the main shaft 10 rotates forward (anticlockwise), the steel balls 12 freely move in tooth grooves, the main shaft rotation is not affected, and normal seeding operation can be realized; when the seeder is reversed or in other misoperation, the roller seeder 25 reverses, the main shaft 10 rotates reversely (rotates clockwise), the steel balls 12 in the tooth grooves roll outwards along the slopes of the ratchet teeth, the steel balls are clamped between the ratchet teeth and the inner wall of the non-return sleeve 3, the clamping is tighter, the main shaft 10 and the roller seeder 25 stop rotating, the reverse rotation prevention function can be achieved, when the roller seeder 25 resumes the forward rotation, the clamped steel balls 12 automatically fall back into the tooth grooves to freely move, and the roller seeder 25 automatically resumes the normal seeding operation.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; 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 (7)
1. An anti-reverse drum planter spindle assembly, characterized in that: the anti-reverse sleeve comprises a fixed sleeve and a rotatable sleeve, wherein the rotatable sleeve comprises a left bearing sleeve and a right anti-reverse sleeve which are integrated, the outer diameter of the anti-reverse sleeve is larger than that of the bearing sleeve, an outer annular step is formed at the joint of the anti-reverse sleeve and the bearing sleeve, and an outer snap ring groove is formed on the right side of the bearing sleeve; the bearing sleeve is rotatably arranged in the fixed sleeve, a disc spring or a wave spring is arranged between the outer annular step and the fixed sleeve, and an outer clamping spring ring groove is embedded into an outer clamping spring to elastically press and install the rotatable sleeve on the fixed sleeve; a main shaft of which the right side end extends out of the rotatable sleeve is arranged in the rotatable sleeve through a left bearing and a right bearing in a bearing sleeve; a ratchet wheel is fixedly arranged on the left side of a main shaft in the non-return sleeve, and a steel ball is arranged in each tooth slot of the ratchet wheel.
2. The anti-backup drum planter spindle assembly of claim 1 wherein: the ratchet wheel is arranged at the left end of the main shaft, the left end face of the main shaft is level with the left end face of the ratchet wheel, the left side of the ratchet wheel in the non-return sleeve is provided with a steel ball baffle disc, and the right side of the ratchet wheel is provided with a steel ball baffle ring sleeved on the main shaft.
3. An anti-backup drum planter spindle assembly according to claim 2 wherein: the inner diameter of the non-return sleeve is larger than that of the bearing sleeve, a first inner annular step is formed at the joint of the non-return sleeve and the bearing sleeve, a first inner snap spring ring groove is formed in the inner wall of the non-return sleeve, a first inner snap spring is embedded in the first inner snap spring ring groove, and the steel ball baffle disc, the ratchet wheel, the steel ball and the steel ball baffle ring are packaged between the first inner snap spring and the first inner annular step in the non-return sleeve.
4. An anti-backup drum planter spindle assembly according to claim 3 wherein: the inner diameter of the two ends of the bearing sleeve is larger than that of the middle section, a second inner annular step is formed on the left side in the bearing sleeve, a third inner annular step is formed on the right side in the bearing sleeve, the left bearing is installed close to the second inner annular step, and the right bearing is installed close to the third inner annular step.
5. The anti-backup drum planter spindle assembly of claim 4 wherein: the inner wall of the right bearing sleeve is provided with a second inner clamping spring ring groove, the second inner clamping spring ring groove is embedded and provided with a second inner clamping spring, and the right bearing is packaged between the third inner annular step and the second inner clamping spring.
6. The anti-backup drum planter spindle assembly of claim 5 wherein: and an oil seal is arranged on the right side of the second inner clamp spring.
7. The anti-backup drum planter spindle assembly of claim 6 wherein: the left end of the non-return sleeve is provided with a sealing cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322871937.3U CN221240821U (en) | 2023-10-25 | 2023-10-25 | Main shaft assembly of anti-reversing roller seeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322871937.3U CN221240821U (en) | 2023-10-25 | 2023-10-25 | Main shaft assembly of anti-reversing roller seeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221240821U true CN221240821U (en) | 2024-07-02 |
Family
ID=91653662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322871937.3U Active CN221240821U (en) | 2023-10-25 | 2023-10-25 | Main shaft assembly of anti-reversing roller seeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221240821U (en) |
-
2023
- 2023-10-25 CN CN202322871937.3U patent/CN221240821U/en active Active
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