CN211474785U - Gearbox of riding type rice transplanter - Google Patents
Gearbox of riding type rice transplanter Download PDFInfo
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- CN211474785U CN211474785U CN201921812899.1U CN201921812899U CN211474785U CN 211474785 U CN211474785 U CN 211474785U CN 201921812899 U CN201921812899 U CN 201921812899U CN 211474785 U CN211474785 U CN 211474785U
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Abstract
The utility model relates to a take advantage of formula transplanter gearbox, including all setting up inserting in the gearbox casing and planting the power take-off axle subassembly, walking power take-off axle subassembly, half axle subassembly, a first subassembly of variable speed, the two axle subassemblies of variable speed, three axle subassemblies of variable speed and four axle subassemblies of variable speed, a first subassembly of variable speed includes one, fix an epaxial one walking gear, and insert through one-way bearing setting one epaxial one and plant one-way gear, two axle subassemblies of variable speed include the biax, and all set up two axle gear wheel, two axle pinion of variable speed, two axle walking gear and insert and plant the duplicate gear, three axle subassemblies of variable speed include the triaxial, all fix triaxial straight-teeth gear, three axle bevel gear, the speed change four axle subassembly includes the four-axis, and fix in four epaxial bevel gear and second plant spacing gear, half axle subassembly includes the semi-axis, and all fix in semi-, First pitch gear, the utility model discloses a whole volume of gearbox is less, and the transmission is reliable.
Description
Technical Field
The utility model belongs to the transplanter field, concretely relates to take advantage of formula transplanter gearbox.
Background
A rice transplanter is an agricultural machine for planting rice seedlings into rice fields. When planting, firstly, a mechanical claw takes out a plurality of rice seedlings from a seedbed and plants the soil in a field, and in order to keep the angle between the seedbed and the ground at a right angle, the front end of the mechanical claw must adopt an elliptic action curve when moving. The motion is completed by a planetary mechanism of a rotary or deformation gear, and the advancing engine can drive the motion machines at the same time. The rice transplanter must have anti-slip wheels and a floating design when moving on the soil. If the seedlings are cut into pieces, the rice seedlings are taken out from a specific seedling box and then planted in a mechanical mode.
The gearbox of current transplanter, the part is more, and the structure is complicated, and the volume is great, and the brake adopts the brake block structure, and the effect is relatively poor after long-term the use, in addition, does not have separation and reunion structure between gearbox and the transmission of planting the mechanism, in case plant the mechanism and block, makes the gearbox break down easily.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims to provide a gearbox of a riding type rice transplanter, which has compact structure and reliable transmission.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a gearbox of a riding type rice transplanter comprises a gearbox shell, and an transplanting power output shaft component, a walking power output shaft component, a half shaft component, a first speed change shaft component, a second speed change shaft component, a third speed change shaft component and a fourth speed change shaft component which are all arranged in the gearbox shell,
the variable speed shaft assembly comprises a shaft, a shaft walking gear fixed on the shaft, and a shaft inserted unidirectional gear arranged on the shaft through a unidirectional bearing,
the speed change two-shaft assembly comprises two shafts, two shaft speed change gear wheels, two shaft speed change pinion gears and two shaft walking gears which are all arranged on the two shafts, and a dual gear is inserted, a speed change sliding sleeve is further arranged between the two shaft speed change gear wheels and the two shaft speed change pinion gears, the speed change sliding sleeve is connected with a gear shift fork assembly, the speed change three-shaft assembly comprises three shafts, three shaft straight gears and three shaft bevel gears which are all fixed on the three shafts, the speed change four-shaft assembly comprises four shafts, and bevel gears and second plant spacing gears which are fixed on the four shafts, the half shaft assembly comprises a half shaft, and a half shaft gear and a first plant spacing gear which are all fixed on the half,
the first shaft and the second shaft are in meshing transmission with a second-shaft speed change gear wheel or a second-shaft speed change pinion through a first-shaft walking gear, the second shaft and the third shaft are in meshing transmission with a third-shaft straight gear through a second-shaft walking gear, a differential assembly connected with a front axle transmission shaft is further arranged on the third shaft, and the third shaft is in meshing transmission with a walking power output shaft assembly through a third-shaft bevel gear,
the single-direction gear is planted in the inserting mode through the first shaft, the duplicate gear is planted in the inserting mode through the second shaft, the half shaft is driven to rotate, the half shaft and the four shaft are in meshing transmission through the first planting distance gear and the second planting distance gear, and the inserting power output shaft assembly is driven through the bevel gear through the four shaft.
As a preferable scheme: the power output shaft component comprises an external spline safety clutch disc, a safety clutch cover, a clutch shaft and an internal spline safety clutch disc, the external spline safety clutch disc is arranged in a gearbox shell in a rotating mode through a bearing, a power output bevel gear is fixed to one end of the external spline safety clutch disc, the safety clutch cover is fixed to the gearbox shell, the clutch shaft is arranged in the gearbox shell in a rotating mode through the bearing, the internal spline safety clutch disc is sleeved at one end of the clutch shaft, a gasket is further fixed to the clutch shaft, a clutch spring is arranged between the internal spline safety clutch disc and the gasket, and the clutch spring enables the external spline safety clutch disc to be tightly pressed with the internal spline safety clutch disc.
As a preferable scheme: and a section of slope surface is arranged on the contact ring surface of the external spline safety clutch disc and the internal spline safety clutch disc.
As a preferable scheme: and a third framework oil seal is arranged between the clutch shaft and the safety clutch cover, and a semicircular shaft collar is also arranged between the external spline safety clutch disc and the power output bevel gear.
As a preferable scheme: and a second oilless bearing is arranged between the half axle gear and the gearbox shell.
As a preferable scheme: the four shaft and the clutch shaft are in meshing transmission with the power output bevel gear through the bevel gear.
As a preferable scheme: the variable-speed three-shaft assembly further comprises a brake shaft, a first brake shoe block, a second brake shoe block and a brake pull plate, wherein the brake shaft is arranged in the gearbox shell through a bearing, the first brake shoe block and the second brake shoe block are respectively sleeved on the brake shaft through a first oilless bearing and are positioned on two sides of a three-shaft straight gear, a brake pin shaft is further fixed on one side, away from the three-shaft straight gear, of the first brake shoe block, a contact surface of the first brake shoe block and the brake pin shaft is a spiral conical surface, when the brake shaft rotates, the first brake shoe block and the second brake shoe block clamp the three-shaft straight gear, and the brake pull plate is further fixed on the brake shaft.
As a preferable scheme: the gearbox shell comprises a left gearbox shell and a right gearbox shell which are fixed through bolts, and the walking power output shaft assembly is in transmission with the power input shaft through the transmission shaft.
The utility model discloses a mode that the gearbox adopted multiaxis parallel arrangement, whole volume is less, through the meshing transmission between the gear, had both had the variable speed function of marcing, can satisfy four wheel drive's demand again, the utility model discloses a motion of mechanism is planted in the gearbox can also drive the drive simultaneously, and the transmission is reliable.
Drawings
Fig. 1 is a schematic structural view of a transmission according to the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 1;
fig. 4 is a schematic structural section view of a safety clutch of the transmission according to the present invention;
fig. 5 is a schematic structural view of a safety clutch of the transmission of the present invention;
FIG. 6 is a schematic cross-sectional view of a brake structure of the transmission according to the present invention;
FIG. 7 is a schematic view of a brake structure of the transmission according to the present invention;
FIG. 8 is a schematic view of a one-way clutch of the transmission of the present invention;
fig. 9 is a transmission schematic diagram of the transmission of the present invention;
fig. 10 is a schematic view of a plant spacing switching structure of the transmission according to the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1 to 10, the utility model provides a gearbox of a riding rice transplanter, which comprises a gearbox shell 606, and an inserting power output shaft assembly 605, a walking power output shaft assembly 607, a half shaft assembly, a first speed changing shaft assembly, a second speed changing shaft assembly, a third speed changing shaft assembly and a fourth speed changing shaft assembly which are all arranged in the gearbox shell 606,
the variable speed shaft assembly comprises a shaft 601, a shaft traveling gear 6306 fixed on the shaft 601, and a shaft inserting one-way gear 6304 arranged on the shaft 601 through a one-way bearing 6305,
the speed-changing dual-shaft assembly comprises a dual shaft 602, a dual-shaft speed-changing large gear 6307, a dual-shaft speed-changing small gear 6309, a dual-shaft traveling gear 6310 and an implanting duplicate gear 6311 which are all arranged on the dual shaft 602, a speed-changing sliding sleeve 6308 is further arranged between the dual-shaft speed-changing large gear 6307 and the dual-shaft speed-changing small gear 6309, the speed-changing sliding sleeve 6308 is connected with a shifting fork assembly 6025,
the three-axis gear shifting assembly comprises three shafts 603, three-axis straight gears 6203 and three-axis bevel gears 6205 which are fixed on the three shafts 603, the four-axis gear shifting assembly comprises four shafts 604, bevel gears fixed on the four shafts 604 and second pitch gears 6502, the half shaft assembly comprises a half shaft, a half shaft gear 6302 and a first pitch gear 6501 which are fixed on the half shaft,
the first shaft 601 and the second shaft 602 are in meshing transmission with a two-shaft gear change gear 6307 or a two-shaft gear change pinion 6309 through a first shaft travelling gear 6306, the second shaft 602 and the third shaft 603 are in meshing transmission with a three-shaft spur gear 6203 through a two-shaft travelling gear 6310, a differential assembly 6206 for connecting the front axle transmission shaft 908 is further arranged on the third shaft, and the third shaft is in meshing transmission with a travelling power output shaft assembly 607 through a three-shaft bevel gear 6205,
the one-shaft planting unidirectional gear 6304 on the one shaft 601 is meshed with the planting duplicate gear 6311 on the two shaft 602, the planting duplicate gear 6311 on the two shaft 602 is also meshed with the half shaft gear 6302 on the half shaft so as to drive the half shaft to rotate, the half shaft and the four shaft 604 are in meshing transmission through the first planting distance gear 6501 and the second planting distance gear 6502, and the four shaft 604 drives the planting power output shaft assembly 605 through the bevel gear.
Under the action of the one-way bearing, when the first shaft rotates clockwise, the first shaft inserted isolator gear can be driven to rotate, the inserted duplex gear is driven to rotate, the inserted duplex gear drives the half axle gear to rotate, and then the planting spacing gear is driven to rotate. When one shaft rotates in the opposite direction, the one-way gear inserted into one shaft cannot rotate, so that the transmission mechanism is protected.
The plug-in power output shaft assembly 605 comprises an external spline safety clutch disc 611, a safety clutch cover 618, a clutch shaft 615 and an internal spline safety clutch disc 612, wherein the external spline safety clutch disc 611 is rotatably arranged in a gearbox shell 606 through a bearing, one end of the external spline safety clutch disc 611 is fixedly provided with a power output bevel gear 619, the safety clutch cover 618 is fixedly arranged on the gearbox shell 606, the clutch shaft 615 is rotatably arranged in the gearbox shell 606 through a bearing, the internal spline safety clutch disc 612 is sleeved at one end of the clutch shaft 615, a gasket 614 is further fixedly arranged on the clutch shaft 615, a clutch spring 613 is arranged between the internal spline safety clutch disc 612 and the gasket 614, and the external spline safety clutch disc 611 and the internal spline safety clutch disc 612 are tightly pressed by the clutch spring 613. A section of slope surface is arranged on the contact annular surface of the external spline safety clutch disc 611 and the internal spline safety clutch disc 612. When the torque of the power output bevel gear 619 exceeds the torque generated between the contact surfaces of the external spline safety clutch disc and the internal spline safety clutch disc under the action of the safety clutch spring, the internal spline safety clutch disc moves backwards and is separated from the external spline safety clutch disc, and power transmission is cut off.
And a third framework oil seal 616 is arranged between the clutch shaft 615 and the safety clutch cover 618, and a semi-circular collar 617 is also arranged between the external spline safety clutch disc 611 and the power output bevel gear 619.
A second oilless bearing 6303 is disposed between side gear 6302 and transmission housing 606. The four shaft 604 and the clutch shaft 615 are in meshing transmission with a power output bevel gear 619 through bevel gears.
The variable-speed triaxial assembly further comprises a brake shaft 6207, a first brake shoe 6209, a second brake shoe 6211 and a brake pull plate 6212, wherein the brake shaft 6207 is arranged in the gearbox shell through a bearing, the first brake shoe 6209 and the second brake shoe 6211 are respectively sleeved on the brake shaft 6207 through a first oilless bearing 6210 and are positioned on two sides of the triaxial straight gear 6203, a brake pin 6208 is further fixed on one side of the first brake shoe 6209 away from the triaxial straight gear 6203, a contact surface of the first brake shoe 6209 and the brake pin 6208 is a spiral conical surface, when the brake shaft 6207 rotates, the first brake shoe 6209 and the second brake shoe 6211 clamp the triaxial straight gear 6203, and the brake pull plate 6212 is further fixed on the brake shaft 6207. The brake pulling plate is rotated to drive the brake shaft and the brake pin shaft on the brake shaft, the brake pin shaft moves along the spiral conical surface on the first brake shoe 6209 to push the first brake shoe rightwards, and the first brake shoe and the second brake shoe compress the three-shaft straight gear, so that the brake effect is achieved.
The transmission housing 606 comprises a left transmission housing 6202 and a right transmission housing 6201 which are fixed through bolts, and the walking power output shaft assembly 607 is in transmission with the power input shaft through the transmission shaft 608.
What has been described above is merely a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and variations can be made without departing from the principle of the invention, which is also considered as the protection scope of the invention.
Claims (8)
1. A gearbox of a riding type rice transplanter is characterized in that: comprises a transmission case (606), and an insertion power output shaft component (605), a walking power output shaft component (607), a half shaft component, a first speed change shaft component, a second speed change shaft component, a third speed change shaft component and a fourth speed change shaft component which are all arranged in the transmission case (606),
the variable speed shaft assembly comprises a shaft (601), a shaft travelling gear (6306) fixed on the shaft (601), and a shaft inserting one-way gear (6304) arranged on the shaft (601) through a one-way bearing (6305),
the speed-changing two-shaft assembly comprises a two shaft (602), a two shaft speed-changing gear wheel (6307), a two shaft speed-changing pinion (6309), a two shaft walking gear (6310) and an inserting duplicate gear (6311) which are all arranged on the two shaft (602), a speed-changing sliding sleeve (6308) is further arranged between the two shaft speed-changing gear wheel (6307) and the two shaft speed-changing pinion (6309), the speed-changing sliding sleeve (6308) is connected with a shifting fork assembly (6025),
the speed change triaxial assembly comprises a triaxial (603), a triaxial straight gear (6203) and a triaxial bevel gear (6205) which are all fixed on the triaxial (603),
the speed change four-shaft component comprises a four shaft (604), a bevel gear and a second row spacing gear (6502) which are fixed on the four shaft (604),
the half shaft assembly comprises a half shaft, a half shaft gear (6302) and a first pitch gear (6501) which are fixed on the half shaft,
the one-shaft (601) and the two-shaft (602) are in meshing transmission with a two-shaft speed change gear wheel (6307) or a two-shaft speed change pinion (6309) through a one-shaft walking gear (6306), the two-shaft (602) and the three-shaft (603) are in meshing transmission with a three-shaft spur gear (6203) through a two-shaft walking gear (6310), a differential assembly (6206) for connecting a front axle transmission shaft (908) is further arranged on the three-shaft, and the three-shaft is in meshing transmission with a walking power output shaft assembly (607) through a three-shaft bevel gear (6205),
the power output shaft assembly is characterized in that a one-shaft planting unidirectional gear (6304) on one shaft (601) is meshed with a planting duplicate gear (6311) on a two shaft (602), the planting duplicate gear (6311) on the two shaft (602) is also meshed with a half shaft gear (6302) on a half shaft so as to drive the half shaft to rotate, the half shaft and a four shaft (604) are in meshing transmission with a first planting distance gear (6501) and a second planting distance gear (6502), and the four shaft (604) drives a planting power output shaft assembly (605) through a bevel gear.
2. The gearbox of a riding rice transplanter as claimed in claim 1, wherein: the insertion power output shaft assembly (605) comprises an external spline safety clutch disc (611), a safety clutch cover (618), a clutch shaft (615) and an internal spline safety clutch disc (612), the external spline safety clutch disc (611) is rotatably arranged in a gearbox shell (606) through a bearing, one end of the external spline safety clutch disc (611) is fixed with a power output bevel gear (619), the safety clutch cover (618) is fixed on the transmission housing (606), the clutch shaft (615) is rotatably arranged in the transmission housing (606) through a bearing, the inner spline safety clutch disc (612) is sleeved at one end of the clutch shaft (615), and a gasket (614) is further fixed on the clutch shaft (615), a clutch spring (613) is arranged between the inner spline safety clutch disc (612) and the gasket (614), and the clutch spring (613) enables the outer spline safety clutch disc (611) and the inner spline safety clutch disc (612) to be pressed tightly.
3. The gearbox of a riding rice transplanter as claimed in claim 2, wherein: a section of slope surface is arranged on the contact ring surface of the external spline safety clutch disc (611) and the internal spline safety clutch disc (612).
4. The gearbox of a riding rice transplanter as claimed in claim 2, wherein: a third framework oil seal (616) is arranged between the clutch shaft (615) and the safety clutch cover (618), and a semi-circular shaft collar (617) is further arranged between the external spline safety clutch disc (611) and the power output bevel gear (619).
5. The gearbox of a riding rice transplanter as claimed in claim 1, wherein: and a second oilless bearing (6303) is arranged between the half shaft gear (6302) and the transmission housing (606).
6. The gearbox of a riding rice transplanter as claimed in claim 2, wherein: the four shaft (604) and the clutch shaft (615) are in meshing transmission through a bevel gear and a power output bevel gear (619).
7. The gearbox of a riding rice transplanter as claimed in claim 1, wherein: the variable-speed triaxial assembly further comprises a brake shaft (6207), a first brake shoe block (6209), a second brake shoe block (6211) and a brake pull plate (6212), wherein the brake shaft (6207) is arranged in the gearbox shell through a bearing, the first brake shoe block (6209) and the second brake shoe block (6211) are respectively sleeved on the brake shaft (6207) through a first oil-free bearing (6210) and are positioned on two sides of the three-axis straight gear (6203), a brake pin shaft (6208) is further fixed on one side, away from the three-axis straight gear (6203), of the first brake shoe block (6209), of the first brake shoe block (6208), a contact surface of the first brake shoe block (6209) and the brake pin shaft (6208) forms a spiral conical surface, when the brake shaft (6207) rotates, the first brake shoe block (6209) and the second brake shoe block (6211) clamp the three-axis straight gear (6203), and the brake pull plate (62012) is further fixed on the brake shaft (6207).
8. The gearbox of a riding rice transplanter as claimed in claim 1, wherein: the gearbox shell (606) comprises a gearbox left shell (6202) and a gearbox right shell (6201) which are fixed through bolts, and the walking power output shaft assembly (607) is in transmission with the power input shaft through the transmission shaft (608).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921812899.1U CN211474785U (en) | 2019-10-27 | 2019-10-27 | Gearbox of riding type rice transplanter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921812899.1U CN211474785U (en) | 2019-10-27 | 2019-10-27 | Gearbox of riding type rice transplanter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211474785U true CN211474785U (en) | 2020-09-11 |
Family
ID=72378783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921812899.1U Active CN211474785U (en) | 2019-10-27 | 2019-10-27 | Gearbox of riding type rice transplanter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211474785U (en) |
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2019
- 2019-10-27 CN CN201921812899.1U patent/CN211474785U/en active Active
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