CN201712657U - Steering device for small-sized farmland operation machine - Google Patents
Steering device for small-sized farmland operation machine Download PDFInfo
- Publication number
- CN201712657U CN201712657U CN2010202065188U CN201020206518U CN201712657U CN 201712657 U CN201712657 U CN 201712657U CN 2010202065188 U CN2010202065188 U CN 2010202065188U CN 201020206518 U CN201020206518 U CN 201020206518U CN 201712657 U CN201712657 U CN 201712657U
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- China
- Prior art keywords
- turn
- small
- drive wheel
- steering
- mandrel
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- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a steering device, in particular to a steering device which is applicable to a small-sized farmland operation machine. The steering device is characterized in that the steering device is arranged in a speed changing box body, and comprises a core shaft, driving wheel half shafts, a steering gear, steering tooth-embedded wheels, steering shifting fork parts and bearings, wherein the steering gear is arranged on the core shaft; the two ends of the core shaft are assembled with the driving wheel half shafts; the steering tooth-embedded wheels are assembled on the driving wheel half shafts by rectangular splines on the driving wheel half shafts; the steering shifting fork parts are arranged on the steering tooth-embedded wheels; and the bearings are assembled between the driving wheel half shafts and the speed changing box body. The steering device is compact in structure, simple and convenient for operation, light and flexible in steering and high in reliability, and can be applied to multiple small-sized agricultural machines.
Description
Technical field
The utility model relates to a kind of steering hardware, especially a kind of steering hardware that is applicable to small-sized farm working machinery.
Background technology
Most of small-sized farm working machinery on the market is (as small hand tractor in recent years, small-sized tiller, small-sized cultivator etc.) because gear box is narrower, ordinary steering hardware is difficult to be applied on the small-sized farm working machinery of this class, in the time of need turning to, operation is difficulty comparatively, resistance ratios is bigger, is inconvenient to use.
Summary of the invention
To be solved in the utility model is exactly that small-sized farm working machinery turns to difficulty, inconvenient problem with use, provide a kind of volume little, turn to light small-sized farm working machinery steering hardware.
Small-sized farm working machinery steering hardware of the present utility model, it is characterized in that described steering hardware is arranged in the gearbox body, this steering hardware comprises mandrel, drive wheel semiaxis, steering gear, turns to tooth embedding wheel, turns to shift fork parts and bearing, steering gear is arranged on the mandrel, mandrel two ends assembling drive wheel semiaxis, turn to tooth embedding wheel to be assemblied on the drive wheel semiaxis by the rectangular spline on the drive wheel semiaxis, turn to the shift fork parts to be arranged on and turn on the tooth embedding wheel, be equipped with bearing between drive wheel semiaxis and the gearbox body.
Described drive wheel semiaxis is divided into three sections, and first section of close steering gear is the rectangular spline axle, and rectangular spline axle inside is step-like hollow hole; Second section is cylindrical shaft, and the 3rd section is positive six prismatic axles, and two bearing pin mounting holes are set on the axle head; Wherein, poted assemblies cooperates with bearing on the drive wheel semiaxis cylindrical shaft that is installed in the gearbox body.
Be equipped with between described drive wheel semiaxis rectangular spline axle head and the bearing and turn to spring perch, turn to spring to be arranged on this and turn on the spring perch.
Described steering gear by one turn to hold the mill packing ring be connected on the mandrel.
Described mandrel is the step axle, is provided with step surface on the both sides of axle, is beneficial to store lubricating oil.
In the middle of the described steering gear is the toothed disc structure, is the tooth cog shape structure of denture clutch on the both sides of toothed disc, the cylindrical hole structure of core wheel for matching with mandrel.
The described rectangular spline pore structure of tooth embedding wheel core wheel that turn to for matching with rectangular spline axle construction on the drive wheel semiaxis, the tooth cog shape structure that its end face one end is a denture clutch, the other end is and the cylindrical hole structure that turns to spring to match to be and the annulus bathtub construction that turns to the shift fork parts to match in the middle of the top.
Small-sized farm working machinery steering hardware of the present utility model is installed in the gearbox body, the drive wheel semiaxis is connected with left and right wheel respectively, after small-sized farm working machinery starts, the power of driving engine drives the steering gear rotation after by other gear change in the gearbox body, steering gear drives by denture clutch and turns to tooth embedding wheel to rotate, turn to tooth embedding wheel to drive the rotation of drive wheel semiaxis by rectangular spline hole and the rectangular spline axle that cooperatively interacts again, thereby allow wheel.The power that driving engine is delivered on the left and right wheel during small-sized farm working machinery cruising is identical, keep small-sized farm working machinery straight-line motion, when small-sized farm working machinery needs left-handed turning, operation setting turns to the shift fork parts the steering gear left side, make turn to the tooth embedding wheel and the steering gear on the left side break away from, the drive wheel semiaxis power on the left side disappears, and the drive wheel semiaxis power on the right is constant, cause left and right wheel to produce velocity contrast, make small-sized farm working machinery turn left.When small-sized farm working machinery need be turned right, operation setting turned to the shift fork parts steering gear the right, and small-sized farm working machinery is turned to the right.
Small-sized farm working machinery steering hardware compact conformation of the present utility model, easy and simple to handle, turn to light and flexible, the reliability height can be applicable on the multiple small-scale agricultural machinery.
Description of drawings
Fig. 1 is a cross-sectional view of the present utility model
Fig. 2 is a drive wheel semiaxis master TV structure scheme drawing
Fig. 3 is a drive wheel semiaxis left side TV structure scheme drawing
Fig. 4 is a mandrel master TV structure scheme drawing
Fig. 5 is a mandrel left side TV structure scheme drawing
Fig. 6 is a steering gear master TV structure scheme drawing
Fig. 7 is a steering gear left side TV structure scheme drawing
Fig. 8 turns to the tooth embedding to take turns main TV structure scheme drawing
Fig. 9 turns to the tooth embedding to take turns left TV structure scheme drawing
Wherein, drive wheel semiaxis 1 turns to spring perch 2, turns to spring 3, mandrel 4, steering gear 5 turns to and holds mill packing ring 6, turns to tooth embedding wheel 7, turn to shift fork parts 8, poted assemblies 9, bearing 10, gearbox body 11, positive six prismatic axles 12, cylindrical shaft 13, rectangular spline axle 14, step-like hollow hole 15, tooth cog shape structure 16, rectangular spline hole 17, bearing pin mounting hole 18, step surface 19, cylindrical hole structure 20, annulus bathtub construction 21
The specific embodiment
Embodiment 1: a kind of small-sized farm working machinery steering hardware, this device is arranged in the gearbox body 11, comprise drive wheel semiaxis 1, mandrel 4, steering gear 5, turn to tooth embedding wheel 7, turn to shift fork parts 8 and bearing 10, mandrel 4 is the step axle, be provided with step surface 19 on the both sides of axle, be used to store lubricating oil.Steering gear 5 holds mill packing ring 6 and is connected on the mandrel 4 by turning to, and be the toothed disc structure in the middle of the steering gear 5, is the tooth cog shape structure 16 of denture clutch on the both sides of toothed disc, and core wheel is the cylindrical hole structure that matches with mandrel 4.A drive wheel semiaxis 1 is respectively assembled at mandrel 4 two ends, drive wheel semiaxis 1 is divided into three sections, first section near steering gear 5 is positive six prismatic axles 12, two bearing pin mounting holes 18 are set on the axle head, second section is cylindrical shaft 13, the 3rd section is rectangular spline axle 14, and there is step-like hollow hole 15 rectangular spline axle 14 inside, and mandrel 4 two ends are inserted in the step-like hollow hole 15.Turning to the tooth embedding to take turns 7 core wheels is rectangular spline hole 17, match with the rectangular spline axle 14 on the drive wheel semiaxis 1, turn to the tooth embedding to take turns the tooth cog shape structure 16 that 7 end faces, one end is a denture clutch, the other end is a cylindrical hole structure 20, is annulus bathtub construction 21 in the middle of the top.Turn to shift fork parts 8 to be arranged on and turn on the cylindrical hole structure 20 of tooth embedding wheel 7, control turns to tooth embedding wheel 7 and steering gear 5 to break away from.Be equipped with bearing 10 between drive wheel semiaxis 1 and the gearbox body 11.Be equipped with between rectangular spline axle 14 and the bearing 10 and turn to spring perch 2, turn to spring 3 to be arranged on and turn to spring perch 2 and turn to the tooth embedding to take turns between the cylindrical hole structure 20 of 7 one ends.Be provided with poted assemblies 9 between the cylindrical shaft 13 of drive wheel semiaxis 1 and the gearbox body 11, strengthen the leakproofness of gearbox body 11.Steering hardware is installed in the gearbox body 11, the power of driving engine drives steering gear 5 rotations after by other gear change in the gearbox body 11, steering gear 5 drives by denture clutch and turns to tooth embedding wheel 7 to rotate, turn to tooth embedding wheel 7 to drive 1 rotation of drive wheel semiaxis by rectangular spline hole 17 and the rectangular spline axle 14 that cooperatively interacts again, thereby allow wheel.The power that driving engine is delivered on the left and right wheel during small-sized farm working machinery cruising is identical, keep small-sized farm working machinery straight-line motion, when small-sized farm working machinery needs left-handed turning, operation setting turns to shift fork parts 8 steering gear 5 left sides, make turn to the tooth embedding wheel 8 and the steering gear 5 on the left side break away from, drive wheel semiaxis 1 power on the left side disappears, and drive wheel semiaxis 1 power on the right is constant, cause left and right wheel to produce velocity contrast, make small-sized farm working machinery turn left.When small-sized farm working machinery need be turned right, operation setting turned to shift fork parts 8 steering gear 5 the right, made the tooth embedding wheel 8 that turns on the right break away from steering gears 5, and small-sized farm working machinery is turned to the right.
Claims (7)
1. small-sized farm working machinery steering hardware, it is characterized in that described steering hardware is arranged in the gearbox body (11), this steering hardware comprises mandrel (4), drive wheel semiaxis (1), steering gear (5), turn to tooth embedding wheel (7), turn to shift fork parts (8) and bearing (10), steering gear (5) is arranged on the mandrel (4), mandrel (4) two ends assembling drive wheel semiaxis (1), turn to tooth embedding wheel (7) to be assemblied on the drive wheel semiaxis (1) by the rectangular spline on the drive wheel semiaxis (1), turn to shift fork parts (8) to be arranged on and turn on the tooth embedding wheel (7), be equipped with bearing (10) between drive wheel semiaxis (1) and the gearbox body (11).
2. a kind of small-sized farm working machinery steering hardware as claimed in claim 1, it is characterized in that described drive wheel semiaxis (1) is divided into three sections, first section near steering gear (5) is rectangular spline axle (14), and rectangular spline axle (14) inside is step-like hollow hole (15); Second section is cylindrical shaft (13), and the 3rd section is positive six prismatic axles (12), and two bearing pin mounting holes (18) are set on the axle head; Wherein, poted assemblies (9) cooperates with bearing (10) on the cylindrical shaft (13) that is installed in the drive wheel semiaxis (1) in the gearbox body (11).
3. a kind of small-sized farm working machinery steering hardware as claimed in claim 2, it is characterized in that being equipped with between rectangular spline axle (14) end of described drive wheel semiaxis (1) and the bearing (10) and turn to spring perch (2), turn to spring (3) to be arranged on this and turn on the spring perch (2).
4. a kind of small-sized farm working machinery steering hardware as claimed in claim 1, it is characterized in that described steering gear (5) by one turn to hold the mill packing ring (6) be connected on the mandrel (4).
5. a kind of small-sized farm working machinery steering hardware as claimed in claim 1 is characterized in that described mandrel (4) is the step axle, is provided with step surface (19) on the both sides of axle.
6. a kind of small-sized farm working machinery steering hardware as claimed in claim 1, it is characterized in that in the middle of the described steering gear (5) be the toothed disc structure, on the both sides of toothed disc is the tooth cog shape structure (16) of denture clutch, the cylindrical hole structure (20) of core wheel for matching with mandrel (4).
7. a kind of small-sized farm working machinery steering hardware as claimed in claim 1, it is characterized in that described tooth embedding wheel (7) core wheel that turns to is for going up rectangular spline hole (17) structure that rectangular spline axle (14) structure matches with drive wheel semiaxis (1), the tooth cog shape structure (16) that its end face one end is a denture clutch, the other end is and the cylindrical hole structure (20) that turns to spring (3) to match to be and the annulus bathtub construction (21) that turns to shift fork parts (8) to match in the middle of the top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202065188U CN201712657U (en) | 2010-05-28 | 2010-05-28 | Steering device for small-sized farmland operation machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202065188U CN201712657U (en) | 2010-05-28 | 2010-05-28 | Steering device for small-sized farmland operation machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201712657U true CN201712657U (en) | 2011-01-19 |
Family
ID=43458656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202065188U Expired - Fee Related CN201712657U (en) | 2010-05-28 | 2010-05-28 | Steering device for small-sized farmland operation machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201712657U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104604383A (en) * | 2015-03-08 | 2015-05-13 | 车大强 | Improved mini-tiller steering clutch mechanism |
| CN107351909A (en) * | 2017-09-04 | 2017-11-17 | 威马农业机械有限公司 | Tractor speed steering mechanism |
-
2010
- 2010-05-28 CN CN2010202065188U patent/CN201712657U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104604383A (en) * | 2015-03-08 | 2015-05-13 | 车大强 | Improved mini-tiller steering clutch mechanism |
| CN104604383B (en) * | 2015-03-08 | 2016-04-13 | 车大强 | The mini-size tillage machine improved turns to clutch |
| CN107351909A (en) * | 2017-09-04 | 2017-11-17 | 威马农业机械有限公司 | Tractor speed steering mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20150528 |
|
| EXPY | Termination of patent right or utility model |