CN211525388U - Safety clutch structure on gearbox of small rice transplanter - Google Patents
Safety clutch structure on gearbox of small rice transplanter Download PDFInfo
- Publication number
- CN211525388U CN211525388U CN201921812902.XU CN201921812902U CN211525388U CN 211525388 U CN211525388 U CN 211525388U CN 201921812902 U CN201921812902 U CN 201921812902U CN 211525388 U CN211525388 U CN 211525388U
- Authority
- CN
- China
- Prior art keywords
- safety clutch
- shaft
- clutch
- gearbox
- safety
- 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
Images
Landscapes
- Transplanting Machines (AREA)
Abstract
The utility model relates to a safety clutch structure on small-size transplanter gearbox, including gearbox casing, external splines safety clutch dish, safety clutch cover, clutch shaft and internal splines safety clutch dish, external splines safety clutch dish passes through the bearing and rotates the setting in the gearbox casing, the one end of external splines safety clutch dish is fixed with power take off bevel gear, the safety clutch cover is fixed on the gearbox casing, the clutch shaft passes through the bearing and rotates the setting in the gearbox casing, the one end at the clutch shaft is established to internal splines safety clutch dish cover, the epaxial gasket that still is fixed with of clutch, be equipped with clutch spring between internal splines safety clutch dish and the gasket, clutch spring makes external splines safety clutch dish and internal splines safety clutch dish compress tightly. The utility model discloses can effectively prevent the damage of gearbox.
Description
Technical Field
The utility model belongs to transplanter gearbox field, concretely relates to safety clutch structure on small-size 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 at providing a safety clutch structure on small-size transplanter gearbox, this structure can cut off the gearbox and plant the connection of mechanism with inserting when inserting the mechanism and meet the resistance, avoids the gearbox to damage.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a safety clutch structure on small-size transplanter gearbox, includes gearbox housing, external splines safety clutch dish, safety clutch cover, clutch shaft and internal splines safety clutch dish, and external splines safety clutch dish passes through the bearing and rotates the setting in the gearbox housing, the one end of external splines safety clutch dish is fixed with power take off bevel gear, the safety clutch cover is fixed on the gearbox housing, the clutch shaft passes through the bearing and rotates the setting in the gearbox housing, the one end at the clutch shaft is established to internal splines safety clutch dish cover, the epaxial gasket that still is fixed with of clutch, be equipped with clutch spring between internal splines safety clutch dish and the gasket, clutch spring makes external splines safety clutch dish and internal splines safety clutch dish compress tightly.
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.
The utility model discloses a mechanism is inserted in being connected of external splines safety clutch dish and internal splines safety clutch dish drive, when power take off bevel gear's moment of torsion surpassed by safety clutch spring effect down the moment of torsion that produces between external splines safety clutch dish and the internal splines safety clutch dish contact surface, internal splines safety clutch dish backward motion breaks away from with external splines safety clutch dish, and the power transmission is cut off, just so can effectively prevent the damage of gearbox.
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 6205, 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 with the second planting distance gear 6205 through the first planting distance gear 6501, and the four shaft 604 drives the planting power output shaft assembly 605 through the bevel gear.
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 (3)
1. The utility model provides a safety clutch structure on small-size transplanter gearbox which characterized in that: comprises a transmission shell (606), 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 rotationally arranged in the transmission 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.
2. The safety clutch structure on the gearbox of the small rice transplanter as claimed in claim 1, 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).
3. The safety clutch structure on the gearbox of the small rice transplanter as claimed in claim 1, 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921812902.XU CN211525388U (en) | 2019-10-27 | 2019-10-27 | Safety clutch structure on gearbox of small rice transplanter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921812902.XU CN211525388U (en) | 2019-10-27 | 2019-10-27 | Safety clutch structure on gearbox of small rice transplanter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211525388U true CN211525388U (en) | 2020-09-18 |
Family
ID=72462237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921812902.XU Active CN211525388U (en) | 2019-10-27 | 2019-10-27 | Safety clutch structure on gearbox of small rice transplanter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211525388U (en) |
-
2019
- 2019-10-27 CN CN201921812902.XU patent/CN211525388U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105065619A (en) | Dual-power input type multi-gear and differential-type steering track vehicle transmission | |
| CN105090431A (en) | Integrated transmission for tracked vehicle | |
| CN102696352B (en) | Transmission assembly used for harvesting machinery and provided with stepless torque-boosting mechanism | |
| CN110925327A (en) | Safety clutch structure on gearbox of small rice transplanter | |
| CN211525388U (en) | Safety clutch structure on gearbox of small rice transplanter | |
| CN110915387A (en) | Brake mechanism on gearbox of small rice transplanter | |
| CN211474785U (en) | Gearbox of riding type rice transplanter | |
| CN211525448U (en) | One-way clutch structure on gearbox of small rice transplanter | |
| CN211474783U (en) | Plant spacing switching mechanism of small-sized rice transplanter | |
| CN211481945U (en) | Brake mechanism on gearbox of small rice transplanter | |
| CN111102328A (en) | Gearbox of riding type rice transplanter | |
| CN210531528U (en) | Walking gearbox for harvesting machine | |
| CN110925367A (en) | One-way clutch structure on gearbox of small rice transplanter | |
| CN110925365A (en) | Plant spacing switching mechanism of small-sized rice transplanter | |
| CN202768750U (en) | Speed changing box steering mechanism | |
| CN212344383U (en) | Multifunctional agricultural tiller | |
| CN210537395U (en) | Insert and plant clutch, insert and plant transmission and paddy field operation machine | |
| CN203735102U (en) | Gearboxassembly provided with steplesstorque-increase mechanism and used for medium horsepowerharvesting machinery | |
| CN204942460U (en) | A kind of endless-track vehicle integrated form speed changer | |
| CN211501510U (en) | Compact type multi-gear walking box of field and garden management machine | |
| CN103032529A (en) | Horizontal gearbox for micro-cultivators | |
| CN206641016U (en) | A kind of 4 wheel driven transmission assembly with variable speed Zeng Niu mechanisms for harvest machinery | |
| CN206641017U (en) | It is a kind of to determine diameter pulley formula 4 wheel driven transmission assembly for harvest machinery | |
| CN112449768A (en) | Rotary cultivator matched with walking tractor | |
| CN210859751U (en) | Rear axle transmission mechanism of small rice transplanter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |