CN214928729U - Narrow wheel-pitch front drive axle of medium-horsepower gardening tractor - Google Patents
Narrow wheel-pitch front drive axle of medium-horsepower gardening tractor Download PDFInfo
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- CN214928729U CN214928729U CN202023317260.1U CN202023317260U CN214928729U CN 214928729 U CN214928729 U CN 214928729U CN 202023317260 U CN202023317260 U CN 202023317260U CN 214928729 U CN214928729 U CN 214928729U
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Abstract
The utility model discloses a medium horsepower horticulture tractor narrow wheel is apart from front drive axle, including first transmission shaft, secondary drive axle, input shaft, input bevel gear, output bevel gear, pivot subassembly and actuating mechanism, the input shaft is equipped with drives its rotation actuating mechanism, the input shaft with the coaxial setting of input bevel gear and with input bevel gear fixed connection, the meshing of input bevel gear the output bevel gear, the output bevel gear cover is established first transmission shaft or on the secondary drive axle, and with first transmission shaft or secondary drive axle fixed connection, first transmission shaft with the secondary drive axle passes through pivot subassembly connects, the utility model discloses have higher transmission speed ratio and transmission efficiency, realize great power take off.
Description
Technical Field
The utility model relates to a reduction gears technical field particularly, relates to a narrow wheel base front drive axle of well horsepower horticulture tractor.
Background
The medium horsepower garden tractor is produced according to market requirements, and has the requirements of small turning radius and strong passing capacity. The front axle adopted by the tractor in the market at present is mainly a bevel gear three-stage transmission structure, and has the defects of large volume, large turning radius, poor trafficability and the like.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving above-mentioned technical problem to a certain extent.
In view of this, the utility model provides a narrow wheel of well horsepower horticulture tractor is apart from front drive axle, this narrow wheel of well horsepower horticulture tractor is apart from front drive axle bearing capacity has great improvement, and turning radius is little, and trafficability characteristic is fine.
In order to solve the technical problem, the utility model provides a well horsepower horticulture tractor narrow wheel is apart from front drive axle, including first transmission shaft, secondary drive axle, input shaft, input bevel gear, output bevel gear, pivot subassembly and actuating mechanism, the input shaft is equipped with its rotation of drive actuating mechanism, the input shaft with the coaxial setting of input bevel gear and with input bevel gear fixed connection, the meshing of input bevel gear the output bevel gear, the cover of output bevel gear is established first transmission shaft or on the secondary drive axle, and with first transmission shaft or secondary drive axle fixed connection, first transmission shaft with the secondary drive axle passes through pivot subassembly connects.
Further, the pivot subassembly includes first transmission gear, second drive gear and at least one planet wheel, first transmission shaft with first transmission gear coaxial setting and with first transmission gear fixed connection, the second transmission shaft with second drive gear coaxial setting and with second drive gear fixed connection, it is a plurality of the planet wheel ring is established first transmission gear with between the second drive gear, and with first transmission gear with mesh setting between the second drive gear.
Furthermore, the gear framework is fixed on the first transmission shaft, and the planet wheels are rotationally connected with the gear framework.
Further, the central axes of the input bevel gear and the output bevel gear are arranged perpendicular to each other.
Furthermore, a cushion ball is arranged between the first transmission gear and the second transmission gear.
Furthermore, the planet wheel has 3, and 3 the planet wheel equidistance sets up.
Furthermore, the first transmission shaft and the second transmission shaft are both provided with a speed reduction mechanism for driving the first transmission shaft and the second transmission shaft to rotate.
Further, the speed reducing mechanism comprises a driving device, a sun gear, a plurality of planetary rotating wheels, a planetary gear carrier, a multi-angle connecting carrier and an output shaft, wherein the driving device drives the sun gear to rotate, the sun gear is meshed with the planetary rotating wheels and drives the planetary rotating wheels to rotate along the planetary gear carrier, and the planetary rotating wheels are connected with the first transmission shaft through the multi-angle connecting carrier.
Further, a plurality of auxiliary wheels are provided between the sun gear and the planet carrier.
Furthermore, a protective shell is arranged outside the first transmission shaft and the second transmission shaft.
The technical effects of the utility model reside in that: (1) the driving mechanism drives the input bevel gear to rotate, the input bevel gear and the output bevel gear are meshed to drive the output bevel gear to rotate, the output bevel gear is sleeved on the first transmission shaft or the second transmission shaft to drive the first transmission shaft and the second transmission shaft to rotate, the performance of the speed reducer is improved, the speed reducer has high transmission speed ratio and transmission efficiency, and large power output is achieved.
(2) Under the synergistic action of a plurality of planet gears, the first transmission gear and the second transmission gear adjust the relative position between the first transmission shaft and the second transmission shaft, and further adjust the rotation speed difference of the front wheel and the rear wheel, thereby realizing the basic consistency of the curve running rotation speed of the tractor.
Drawings
Fig. 1 is a front view of a narrow wheelbase front drive axle of a medium horsepower horticultural tractor according to the present invention;
fig. 2 is a top plan view of a narrow wheelbase front drive axle of a medium horsepower garden tractor according to the present invention;
fig. 3 is a left side view of a narrow wheelbase front drive axle of a medium horsepower horticultural tractor according to the present invention;
fig. 4 is a schematic view of the internal structure of a narrow track front drive axle of a medium horsepower horticultural tractor according to the present invention;
fig. 5 is a schematic structural view of a pivot assembly of a narrow wheelbase front drive axle of a medium horsepower horticultural tractor according to the present invention;
fig. 6 is a schematic view showing a positional relationship between an input bevel gear and an output bevel gear according to the present invention;
fig. 7 is a schematic structural view of a speed reducing mechanism of a narrow-track front drive axle of a medium horsepower horticultural tractor according to the present invention.
Wherein, 1-a first transmission shaft; 2-a second drive shaft; 3-an input shaft; 4-an input bevel gear; 5-an output bevel gear; 6-a pivoting assembly; 8-a speed reducing mechanism; 9-a rotating wheel; 10-a protective housing; 61-a first drive gear; 62-a second drive gear; 63-a planet wheel; 64-a gear skeleton; 82-sun gear; 83-planetary rotating wheel; 84-a planet gear carrier; 85-polygonal connecting frame; 86-an output shaft; 87-auxiliary wheels.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
As shown in fig. 4 and 6, the narrow-wheelspan front drive axle of the medium horsepower garden tractor comprises a first drive shaft 1, a second drive shaft 2, an input shaft 3, an input bevel gear 4, an output bevel gear 5, a pivoting assembly 6 and a drive mechanism, wherein the input shaft 3 is provided with the drive mechanism for driving the input bevel gear to rotate, the input shaft 3 is coaxially arranged with the input bevel gear 4 and is fixedly connected with the input bevel gear 4, the input bevel gear 4 is meshed with the output bevel gear 5, the output bevel gear 5 is sleeved on the first drive shaft 1 or the second drive shaft 2 and is fixedly connected with the first drive shaft 1 or the second drive shaft 2, and the first drive shaft 1 and the second drive shaft 2 are connected through the pivoting assembly 6.
According to the embodiment of the present invention, a narrow wheel-pitch front drive axle (hereinafter referred to as the present device) of a medium horsepower garden tractor comprises a first drive shaft 1, a second drive shaft 2, an input shaft 3, an input bevel gear 4, an output bevel gear 5, a pivot assembly 6 and a drive mechanism, wherein the drive mechanism is started to rotate an output shaft of the drive mechanism, the output shaft of the drive mechanism is coaxially and fixedly connected with the input shaft 3, the output shaft of the drive mechanism drives the input shaft 3 to rotate, the input shaft 3 and the input bevel gear 4 are coaxially arranged and fixedly connected with the input bevel gear 4, the input shaft 3 rotates and drives the input bevel gear 4 to rotate, the input bevel gear 4 is meshed with the output bevel gear 5, the input bevel gear 4 rotates and drives the output bevel gear 5 to rotate, the first drive shaft 1 and the second drive shaft 2 are connected through the pivot assembly 6, the output bevel gear 5 is sleeved and fixed on the first drive shaft 1 (the second drive shaft 2), the output bevel gear 5 rotates to drive the first transmission shaft 1 and the second transmission shaft 2 to rotate, the end parts of the first transmission shaft 1 and the second transmission shaft 2 are respectively fixed with a rotating wheel 9, and the first transmission shaft 1 and the second transmission shaft 2 rotate to drive the two rotating wheels 9 to synchronously rotate.
Specifically, the input bevel gear 4 and the output bevel gear 5 are both bevel gears; the rotary wheel 9 is composed of two parts of a wheel and a tire.
As shown in fig. 4 and 5, the pivot assembly 6 includes a first transmission gear 61, a second transmission gear 62 and at least one planetary gear 63, the first transmission shaft 1 is coaxially disposed with the first transmission gear 61 and fixedly connected with the first transmission gear 61, the second transmission shaft 2 is coaxially disposed with the second transmission gear 62 and fixedly connected with the second transmission gear 62, and a plurality of planetary gears 63 are annularly disposed between the first transmission gear 61 and the second transmission gear 62 and are engaged with the first transmission gear 61 and the second transmission gear 62.
According to the utility model discloses a specific embodiment, pivot subassembly 6 includes first drive gear 61, second drive gear 62 and a plurality of planet wheel 63, first drive gear 1 with first drive gear 61 coaxial setting and with first drive gear 61 fixed connection, first drive gear 1 rotates and drives first drive gear 61 and rotate, first drive gear 61 meshes the setting with planet wheel 63, first drive gear 61 rotates and drives planet wheel 63 and rotate, planet wheel 63 still meshes the setting with second drive gear 62, control second transmission shaft 2 motionless, a plurality of planet wheel 63 rotate along second drive gear 62, under the synergism of a plurality of planet wheel 63, second transmission shaft 2 motionless, first drive shaft 1 rotates, and then adjust two rotational speed differences of rotating wheel 9, realize that the tractor curve goes.
As shown in fig. 4, the gear frame 64 is fixed on the first transmission shaft 1, and the plurality of planet wheels 63 are rotatably connected with the gear frame 64, so as to ensure the stability of the rotation process.
As shown in fig. 6, the central axes of the input bevel gear 4 and the output bevel gear 5 are perpendicular to each other, and the transmission device has the characteristics of high transmission efficiency, compact structure and long service life.
As shown in FIG. 5, a cushion ball is arranged between the first transmission gear 61 and the second transmission gear 62, so that the stability of the transmission process is ensured.
As shown in fig. 5, there are 3 planet wheels 63, and 3 planet wheels 63 are arranged at equal intervals, and have the characteristics of small overall dimension, high transmission efficiency, accurate transmission ratio and long service life.
As shown in fig. 7, the first transmission shaft 1 and the second transmission shaft 2 are each provided with a speed reduction mechanism 8 for driving them to rotate.
According to the utility model discloses a specific embodiment starts two reduction gears 8, and two reduction gears 8 synergism drive first transmission shaft 1 and second transmission shaft 2 and rotate, guarantee first transmission shaft 1 and the 2 stability of rotating the in-process of second transmission shaft.
As shown in fig. 7, the reduction mechanism 8 includes a driving device that drives the sun gear 82 to rotate, a sun gear 82 that meshes with the plurality of planetary rollers 83 and drives the plurality of planetary rollers 83 to rotate along the planet carrier 84, a plurality of planetary rollers 83 that are connected to the first transmission shaft 1 through the polygonal link 85, a plurality of planetary rollers 83, a planet carrier 84, and an output shaft 86.
According to the embodiment of the present invention, the speed reducing mechanism 8 includes a driving device, a sun gear 82, a plurality of planetary rotation wheels 83, a planetary gear carrier 84, a polygon connecting carrier 85 and an output shaft 86, the output shaft of the driving device is coaxially disposed with the sun gear 82, the sun gear 82 is sleeved on and fixes the output shaft of the driving device, the output shaft of the driving device rotates to drive the sun gear 82 to rotate, the circumferential tooth surface of the outer edge of the sun gear 82 engages with the plurality of planetary rotation wheels 83, the planetary gear carrier 84 has an annular tooth surface matching with the plurality of planetary gear carriers 84, the sun gear 82 rotates to drive the plurality of planetary rotation wheels 83 to rotate along the annular tooth surface in the planetary gear carrier 84, the plurality of planetary rotation wheels 83 are all fixedly connected with the polygon connecting carrier 85 through small shafts, the first transmission shaft 1 (the second transmission shaft 2) is fixedly connected with the central axis of the polygon connecting carrier 85, and then drive the running wheel 9 on the first transmission shaft 1 (the second transmission shaft 2) and rotate, has improved the performance of reduction gear.
As shown in fig. 7, a plurality of auxiliary wheels 87 are provided between the sun gear 82 and the planetary carrier 84.
According to the utility model discloses a specific embodiment, a plurality of auxiliary wheels 87 meshing sun gear 82 and planet carrier 84 improve the stability of structure, increase its life.
As shown in fig. 1, 2 and 3, the first transmission shaft 1 and the second transmission shaft 2 are externally provided with a protective casing 10.
According to the utility model discloses a concrete embodiment, first transmission shaft 1, second transmission shaft 2 and input shaft 3 all rotate with protection casing 10 through ball bearing and are connected.
Specifically, the first transmission shaft 1 is fixedly connected with an inner ring of a first ball bearing, and an outer ring of the first ball bearing is fixedly connected with a protective shell 10; the second transmission shaft 2 is fixedly connected with an inner ring of a second ball bearing, and an outer ring of the second ball bearing is fixedly connected with a protective shell 10; the input shaft 3 is fixedly connected with the inner ring of the third ball bearing, and the outer ring of the third ball bearing is fixedly connected with the protective housing 10.
According to the utility model discloses a narrow wheel base front drive axle of medium horsepower horticulture tractor, its theory of use as follows:
when the garden tractor needs to run in a curve, the input shaft 3, the input bevel gear 4 and the output bevel gear 5 are sequentially transmitted, the driving device of the second transmission shaft 2 is stopped (or the rotating speed of the output shaft of the driving device of the second transmission shaft 2 is controlled to be reduced), the second transmission shaft 2 is ensured to stop rotating (or the second transmission shaft 2 is ensured to run at a speed lower than that of the first transmission shaft 1), the driving mechanism and the driving device of the first transmission shaft 1 are started, the first transmission shaft 1 rotates relative to the second transmission shaft 2, and the inner wheel and the outer wheel are ensured to rotate at different rotating speeds.
When the garden tractor needs to run straight, the driving mechanism and the two driving devices are started, and under the combined action of the input bevel gear 4, the output bevel gear 5, the pivoting assembly 6 and the speed reducing mechanism 8, the first transmission shaft 1 and the second transmission shaft 2 rotate, so that the two rotating wheels 9 rotate synchronously.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (10)
1. The narrow-wheel-pitch front drive axle of the medium horsepower garden tractor is characterized by comprising a first drive shaft, a second drive shaft, an input bevel gear, an output bevel gear, a pivoting assembly and a drive mechanism, wherein the input shaft is provided with the drive mechanism for driving the input shaft to rotate, the input shaft is coaxially arranged with the input bevel gear and is fixedly connected with the input bevel gear, the input bevel gear is meshed with the output bevel gear, the output bevel gear is sleeved on the first drive shaft and is fixedly connected with the first drive shaft or the second drive shaft, and the first drive shaft and the second drive shaft are connected through the pivoting assembly.
2. The narrow wheelbase front transaxle of a medium horsepower garden tractor of claim 1, wherein the pivot assembly comprises a first drive gear, a second drive gear, and at least one planet gear, the first drive shaft being coaxially disposed with and fixedly connected to the first drive gear, the second drive shaft being coaxially disposed with and fixedly connected to the second drive gear, and a plurality of planet gear rings disposed between and in meshing engagement with the first drive gear and the second drive gear.
3. The narrow-wheelbase front axle of a medium horsepower garden tractor according to claim 2, wherein a gear frame is fixed to the first transmission shaft, and a plurality of the planet gears are rotatably connected to the gear frame.
4. The narrow wheelbase front transaxle of a medium horsepower garden tractor according to claim 2, wherein central axes of the input bevel gear and the output bevel gear are disposed perpendicular to each other.
5. The narrow-wheelbase front transaxle of a medium horsepower garden tractor of claim 2, wherein a ball pad is disposed between the first drive gear and the second drive gear.
6. The narrow-wheelbase front axle of a medium horsepower garden tractor according to claim 2 where there are 3 said planets and 3 of said planets are equidistantly spaced.
7. The narrow-wheelbase front axle of a medium horsepower garden tractor according to claim 1, wherein the first drive shaft and the second drive shaft are each provided with a speed reduction mechanism for driving them in rotation.
8. The narrow wheelbase front axle of a medium horsepower garden tractor according to claim 7, wherein the speed reduction mechanism includes a drive device, a sun gear, a plurality of planetary rollers, a planetary gear carrier, a polygon gear carrier, and an output shaft, the drive device driving the sun gear to rotate, the sun gear engaging the plurality of planetary rollers and driving the plurality of planetary rollers to rotate along the planetary gear carrier, the plurality of planetary rollers being connected to the first transmission shaft through the polygon gear carrier.
9. The narrow wheelbase front transaxle of a medium horsepower garden tractor of claim 8, wherein a plurality of auxiliary wheels are provided between the sun gear and the planet carrier.
10. The narrow wheelbase front transaxle of a medium horsepower garden tractor of claim 1, wherein a protective housing is provided outside the first drive shaft and the second drive shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023317260.1U CN214928729U (en) | 2020-12-31 | 2020-12-31 | Narrow wheel-pitch front drive axle of medium-horsepower gardening tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023317260.1U CN214928729U (en) | 2020-12-31 | 2020-12-31 | Narrow wheel-pitch front drive axle of medium-horsepower gardening tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214928729U true CN214928729U (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023317260.1U Active CN214928729U (en) | 2020-12-31 | 2020-12-31 | Narrow wheel-pitch front drive axle of medium-horsepower gardening tractor |
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| Country | Link |
|---|---|
| CN (1) | CN214928729U (en) |
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2020
- 2020-12-31 CN CN202023317260.1U patent/CN214928729U/en active Active
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