CN215500435U - Traveling mechanism of rice seedling raising balance seeder - Google Patents
Traveling mechanism of rice seedling raising balance seeder Download PDFInfo
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- CN215500435U CN215500435U CN202121913801.9U CN202121913801U CN215500435U CN 215500435 U CN215500435 U CN 215500435U CN 202121913801 U CN202121913801 U CN 202121913801U CN 215500435 U CN215500435 U CN 215500435U
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- main shaft
- shifting fork
- wheel
- side plate
- chain wheel
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Abstract
The utility model provides a traveling mechanism of a rice seedling raising swing disc seeder, which comprises a left side plate and a right side plate, wherein a front travelling wheel, a rear travelling wheel, a main shaft, a shifting fork, a motor and a handle are arranged between the left side plate and the right side plate, the motor is provided with a motor chain wheel, the motor chain wheel drives the main shaft chain wheel through a main shaft chain, the main shaft chain wheel is arranged on the main shaft through a ball bearing, the main shaft is provided with double rows of chain wheels, the double rows of chain wheels are fixedly connected with the main shaft, the main shaft is also provided with a main shaft chain wheel, the main shaft chain wheel is rotatably connected with the main shaft through a deep groove ball bearing, the main shaft is also provided with a spline housing, the spline housing is provided with a sliding block, a shifting fork is arranged on a shifting fork bracket through a shifting fork pin shaft, the sliding block is provided with a shifting fork insertion opening, and the shifting fork is inserted into the two deep groove ball bearings on the sliding block through the shifting fork insertion opening, the structure is simple; labor is saved; is flexible.
Description
Technical Field
The utility model relates to the technical field of rice seedling raising swing disc seeder equipment, in particular to a traveling mechanism of a rice seedling raising swing disc seeder.
Background
The rice seedling raising balance seeder works: the plate placing machine needs to work in two states of static state and motion state; when the position needs to be moved during working, the walking stick can be pushed by people and can be mechanically moved to walk in two directions. The rice seedling raising balance seeder in the existing market can realize various actions; and the working requirements are met. However, the structure is complex, and the clutch switching is laborious during gear shifting; is not flexible; the operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
The walking mechanism of the rice seedling raising swing disc seeder in the prior art is complex in structure and is difficult to switch on and off during gear shifting; is not flexible; the utility model provides a traveling mechanism of a rice seedling raising swing disc seeder, which has the advantages of simple structure and labor-saving clutch switching during gear shifting; flexibility; convenient operation and the like. The technical scheme provided by the utility model is as follows:
a traveling mechanism of a rice seedling raising swing disc seeder comprises a left side plate and a right side plate, wherein a front travelling wheel, a rear travelling wheel, a main shaft, a shifting fork, a motor and a handle are arranged between the left side plate and the right side plate, the motor is provided with a motor chain wheel, the motor chain wheel drives the main shaft chain wheel through a main shaft chain, the main shaft chain wheel is arranged on the main shaft through a ball bearing, the main shaft is provided with double-row chain wheels, the double-row chain wheels are fixedly connected with the main shaft, the main shaft is also provided with a main shaft chain wheel, the main shaft chain wheel is rotatably connected with the main shaft through a deep groove ball bearing, the main shaft is also provided with a spline housing, and an internal spline of the spline housing is in sliding fit with an external spline of the main shaft; the outer spline of the spline housing is in sliding fit with the inner spline of the main shaft chain wheel, a sliding block is arranged on the spline housing, the shifting fork is arranged on the shifting fork support through a shifting fork pin shaft, a shifting fork insertion opening is formed in the sliding block, and the shifting fork is inserted into the two deep groove ball bearings on the sliding block through the shifting fork insertion opening.
Preferably, the two ends of the front travelling wheel shaft and the rear travelling wheel shaft are respectively provided with a bearing and a bearing seat, the bearing seats are fixedly connected with the travelling wheel bracket, and the two ends of the travelling wheel bracket are respectively fixedly connected with the left side plate and the right side plate.
Preferably, a spring is arranged outside the sliding block.
The beneficial effects of the utility model are embodied in the following aspects:
1. according to the utility model, the ball bearing is arranged at the contact part of the sliding block and the shifting fork, and when the shifting fork shifts the spline sleeve, rolling friction is adopted between the shifting fork and the sliding block instead of sliding friction, so that the friction force is reduced. When the shifting fork shifts the spline sleeve, the stress point coincides with the axis of the main shaft, and no friction force is generated on the main shaft by the torque force generated by the eccentricity between the stress point and the main shaft. Therefore, the shifting force during shifting is reduced, the structure is simple, and the problems of labor waste, inflexibility and inconvenient operation during shifting are solved.
2. A motor chain wheel on the motor drives a main shaft chain wheel on the main shaft through a chain, the main shaft chain wheel is arranged on the main shaft through a ball bearing, and the main shaft chain wheel can rotate on the main shaft; the main shaft chain wheel is connected with the main shaft through a spline sleeve, a sliding block is arranged on the spline sleeve, the shifting fork is connected with the sliding block and is linked with a shifting fork support through a pin shaft, the shifting fork can rotate around the pin shaft, the double-row chain wheel on the main shaft is connected with the main shaft through a common key, and the front travelling wheel and the rear travelling wheel synchronously rotate through the chain transmission of the front travelling wheel chain wheel and the rear travelling wheel chain wheel through the double-row chain wheel, so that the structure is simple.
3. The ball bearing is arranged at the contact part of the sliding block and the shifting fork, when the shifting fork shifts the spline housing, rolling friction is adopted between the shifting fork and the sliding block instead of sliding friction, so that friction force is reduced, when the shifting fork shifts the spline housing, the stress point is coincided with the axis of the main shaft, and no friction force is generated on the main shaft by torsion generated by the eccentricity between the stress point and the main shaft, so that the switching force during shifting is reduced, and the structure is simple; labor is saved; flexibility; reliable operation and convenient operation.
Drawings
FIG. 1 is a top view of the overall structure of the present invention;
FIG. 2 is a perspective view taken along the line J-J in FIG. 1;
fig. 3 is a sectional view taken along the direction K-K in fig. 2.
In the shown drawing, a left side plate 1, a right side plate 2, a rear travelling wheel chain 3, a main shaft chain 4, a front travelling wheel chain 5, a motor chain wheel 6, a motor 7, a rear travelling wheel 8, a front travelling wheel 9, a front travelling wheel chain wheel 10, a main shaft chain wheel 11, a double-row chain wheel 12, a rear travelling wheel chain wheel 13, a shifting fork 14, a handle 15, a sliding block 16, a spring 17, a spline housing 18, a shifting fork pin shaft 19, a shifting fork bracket 20, a main shaft 21, a long travelling wheel 22 and a short travelling wheel 23.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the utility model by referring to the description text.
As shown in fig. 1, a traveling mechanism of a rice seedling raising swing-tray seeder comprises a left side plate 1 and a right side plate 2, wherein a front traveling wheel 9, a rear traveling wheel 8, a main shaft 21, a shifting fork and a handle 15 are arranged between the left side plate 1 and the right side plate 2, the motor 7 is provided with a motor 7 sprocket 6, the motor 7 sprocket 6 drives the main shaft 21 sprocket 11 through a main shaft 21 chain 4, the main shaft 21 sprocket 11 is arranged on the main shaft 21 through a ball bearing, the main shaft 21 sprocket 11 can rotate on the main shaft 21, the main shaft 21 sprocket 11 is connected with the main shaft 21 through a spline housing 18, the spline housing 18 is provided with a sliding block 16, the sliding block 16 is connected with the shifting fork, the shifting fork is connected with a shifting fork support through a pin shaft, the shifting fork 14 can rotate around the pin shaft, a double-row sprocket 12 on the main shaft 21 is connected with the main shaft 21 through a common key, the double-row sprocket 12 on the main shaft 21 respectively drives a rear traveling wheel 8 chain 3 and a rear traveling wheel sprocket 13, the chain 5 of the front travelling wheel 9 is used for driving the chain wheel 10 of the front travelling wheel, the double chain wheel 12 is used for driving the chain wheel 10 of the front travelling wheel and the chain wheel 13 of the rear travelling wheel to synchronously rotate through the chain, so that the front travelling wheel 9 and the rear travelling wheel 8 synchronously rotate through the shaft 9 of the front travelling wheel or the shaft 8 of the rear travelling wheel, the chain wheel 10 of the front travelling wheel is arranged on the shaft 9 of the front travelling wheel, the chain wheel 13 of the rear travelling wheel is arranged on the shaft 8 of the rear travelling wheel, the front travelling wheel 9 is fixedly connected on the shaft 9 of the front travelling wheel, the rear travelling wheel 8 is fixedly connected on the shaft 8 of the rear travelling wheel, a group of long travelling wheel 22 and short travelling wheel 23 are respectively arranged on the shaft 9 of the front travelling wheel and the shaft 8 of the rear travelling wheel, the chain wheel 10 of the front travelling wheel is fixed between the long travelling wheel 22 and the short travelling wheel 23 on the shaft of the front travelling wheel 9, the chain wheel 13 of the rear travelling wheel is fixed between the long travelling wheel 22 and the short travelling wheel 23 on the shaft of the rear travelling wheel 8, two ends of the shaft of the front travelling wheel 9 and the rear travelling wheel 8 are respectively provided with a bearing seat, the bearing seat is fixedly connected with a travelling wheel bracket, two ends of the travelling wheel bracket are fixedly connected with a left side plate 1 and a right side plate 2 respectively, a main shaft 21 chain wheel 11 is connected with a main shaft 21 through a deep groove ball bearing, the main shaft 21 chain wheel 11 can rotate on the main shaft 21, a spline housing 18 is further arranged on the main shaft 21, and an internal spline of the spline housing 18 is in sliding fit with an external spline of the main shaft 21; the outer spline of the spline housing 18 is in sliding fit with the inner spline of the main shaft 21 chain wheel 11, a sliding block 16 is arranged on the spline housing 18, the sliding block 16 can rotate on the spline housing 18, the shift fork 14 is installed on a shifting fork support through a shifting fork pin shaft, the shift fork 14 can rotate around the shifting fork pin shaft, a shifting fork socket is arranged on the sliding block 16, the shift fork 14 is inserted into two deep groove ball bearings on the shift fork 14 socket and the sliding block 16 and can slide in the shifting fork 14 socket, a spring 17 is arranged on the outer side of the sliding block 16, and the spring 17 can be used for resetting the spline housing 18 and a shifting fork.
When the shifting fork is at the initial position, the spline housing 18 is combined with the main shaft 21 chain wheel 11 under the action of the spring 17, the internal spline of the spline housing 18 is in sliding fit with the external spline of the main shaft 21, so that the main shaft 21 chain wheel 11 drives the shaft to rotate when rotating, when the motor 7 rotates forwards and backwards, the main shaft 21 chain wheel 11 drives the main shaft 21 and the double-row chain wheel 12 on the main shaft 21 to rotate through the spline housing 18, the double-row chain wheel 12 drives the front travelling wheel chain wheel 10 and the rear travelling wheel chain wheel 13 to rotate synchronously through the chain, so that the front travelling wheel 9 and the rear travelling wheel 8 rotate synchronously, and the disc swinging machine can move forwards and backwards; when the shifting fork is pulled off, the shifting fork pulls the sliding block 16 to drive the spline housing 18 to move on the main shaft 21 axially outside the main shaft 21 chain wheel 11, so that the spline housing 18 is separated from the main shaft 21 chain wheel 11, at the moment, the main shaft 21 chain wheel 11 idles on the main shaft 21, and the front travelling wheel 9 and the rear travelling wheel 8 are separated from the power source, so that the travelling mechanism is in a stop state and can be pushed manually.
The contact part of the sliding block 16 and the shifting fork is provided with a ball bearing, when the shifting fork shifts the spline housing 18, rolling friction is adopted between the shifting fork and the sliding block 16 instead of sliding friction, so that the friction force is reduced. When the shifting fork pulls the spline sleeve 18, the stress point coincides with the axis of the main shaft 21, and no friction force is generated on the main shaft 21 by the torque force generated by the eccentricity of the stress point and the main shaft 21, so that the switching force during gear shifting is reduced.
A motor 7 chain wheel 6 on the motor 7 drives a main shaft 21 chain wheel 11 on a main shaft 21 through a chain, the main shaft 21 chain wheel 11 is arranged on the main shaft 21 through a ball bearing, and the main shaft 21 chain wheel 11 can rotate on the main shaft 21; the main shaft 21 sprocket 11 is connected with the main shaft 21 through a spline housing 18. The spline housing 18 is provided with a slide block 16, a shifting fork is connected with the slide block 16, the shifting fork is connected with a shifting fork bracket by a pin shaft and can rotate around the pin shaft, a double-row chain wheel 12 on a main shaft 21 is connected with the main shaft 21 by a common key, and the front travelling wheel chain wheel 10 and the rear travelling wheel chain wheel 13 are driven by the double-row chain wheel 12 through a chain to enable the front travelling wheel 9 and the rear travelling wheel 8 to synchronously rotate, so that the structure is simple.
The ball bearing is arranged at the contact part of the sliding block 16 and the shifting fork, when the shifting fork shifts the spline housing 18, rolling friction is adopted between the shifting fork and the sliding block 16 instead of sliding friction, so that the friction force is reduced, when the shifting fork shifts the spline housing 18, the stress point coincides with the axis of the main shaft 21, and no friction force is generated on the main shaft 21 by the torsion force generated by the eccentric distance between the stress point and the main shaft 21, so that the switching force during shifting is reduced, and the structure is simple; labor is saved; flexibility; reliable operation and convenient operation.
In the present invention, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
While embodiments of the utility model have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the utility model not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.
Claims (3)
1. A traveling mechanism of a rice seedling raising swing disc seeder is characterized by comprising a left side plate and a right side plate, wherein a front travelling wheel, a rear travelling wheel, a main shaft, a shifting fork, a motor and a handle are arranged between the left side plate and the right side plate; the outer spline of the spline housing is in sliding fit with the inner spline of the main shaft chain wheel, a sliding block is arranged on the spline housing, the shifting fork is arranged on the shifting fork support through a shifting fork pin shaft, a shifting fork insertion opening is formed in the sliding block, and the shifting fork is inserted into two deep groove ball bearings on the sliding block through the shifting fork insertion opening.
2. The traveling mechanism of the rice seedling raising balance seeder as claimed in claim 1, wherein the front traveling wheel shaft and the rear traveling wheel shaft are respectively provided at both ends thereof with bearings and bearing seats, the bearing seats are fixedly connected with a traveling wheel support, and the traveling wheel support is respectively fixedly connected at both ends thereof with the left side plate and the right side plate.
3. The traveling mechanism of the rice seedling raising swing disc seeder as claimed in claim 2, wherein a spring is arranged outside the sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121913801.9U CN215500435U (en) | 2021-08-16 | 2021-08-16 | Traveling mechanism of rice seedling raising balance seeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121913801.9U CN215500435U (en) | 2021-08-16 | 2021-08-16 | Traveling mechanism of rice seedling raising balance seeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215500435U true CN215500435U (en) | 2022-01-14 |
Family
ID=79791327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121913801.9U Active CN215500435U (en) | 2021-08-16 | 2021-08-16 | Traveling mechanism of rice seedling raising balance seeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215500435U (en) |
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2021
- 2021-08-16 CN CN202121913801.9U patent/CN215500435U/en active Active
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