CN203450198U - Steering system and tractor - Google Patents
Steering system and tractor Download PDFInfo
- Publication number
- CN203450198U CN203450198U CN201320423227.8U CN201320423227U CN203450198U CN 203450198 U CN203450198 U CN 203450198U CN 201320423227 U CN201320423227 U CN 201320423227U CN 203450198 U CN203450198 U CN 203450198U
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- CN
- China
- Prior art keywords
- steering
- swivel system
- oil pump
- steering wheel
- steering swivel
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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
Links
- 239000003921 oil Substances 0.000 claims abstract description 52
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 4
- 238000009428 plumbing Methods 0.000 claims description 18
- 230000001050 lubricating effect Effects 0.000 claims description 17
- 239000012530 fluid Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 4
- 230000002706 hydrostatic effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a steering system which is used in a tractor. The steering system comprises a steering shaft, a steering wheel, a steering machine, an oil pump and an oil cup, wherein the steering wheel is arranged at one end of the steering shaft, the steering machine is arranged at the other end of the steering shaft, the oil pump is used for supplying a pressure source, one end of the oil pump is connected with a driving device, the oil cup is used for providing hydraulic oil, one end of the oil cup is communicated with the steering machine, the other end of the oil cup is communicated with the oil pump, and a closed hydraulic loop is composed of the steering machine, the oil pump and the oil cup. The steering system of the structure is used in the tractor and comprises the oil pump for supplying assisted power to the steering system and the steering machine, the oil pump takes the power from the driving device, when steering is carried out, the oil pump can supply the assisted power to the steering machine, the steering operation performance of the tractor is better, labor is saved, and therefore the comfortable performance is better. In addition, the utility model further provides the tractor with the steering system.
Description
Technical field
The utility model relates to agricultural mechanical field, particularly a kind of steering swivel system and trac..
Background technology
In recent years, along with China's rapid development of economy, agricultural modernization is advanced effectively, trac. etc., and field machine is very general in vast rural area.Now widely used trac., steering swivel system is mainly mechanical steering system, for mechanical steering system, adopt purchaseless steering wheel, tractor steering is mainly completed by chaufeur, turns to relatively effort, particularly during trac. sharply turning, chaufeur work capacity is larger, easily tired.On small part trac., used hydrostatic steering system, by hydraulic ram, drive shaft of tractor conduit to realize and turn to, with respect to mechanical type steering swivel system, hydrostatic steering system turns to light, but hydrostatic steering system is due to structure relative complex, easily break down, on the other hand, while adopting hydraulic efficiency pressure system to turn to, when tractor engine is flame-out, also turning to of trac. must overcome oil cylinder resistance, therefore, turns to effort more.
In sum, how to provide a kind of operability better, the steering swivel system that traveling comfort is higher and trac., become those skilled in the art to need the technical matters of solution badly.
Utility model content
Based on the deficiencies in the prior art, one of problem to be solved in the utility model is to provide a kind of operability better and the higher steering swivel system of traveling comfort.
Two of problem to be solved in the utility model is to provide a kind of operability better and the higher trac. of traveling comfort.
For one of solving the problems of the technologies described above, the utility model provides a kind of steering swivel system, and for trac., axis of orientation, and the bearing circle that is placed in described axis of orientation one end, be placed in the steering wheel of the described axis of orientation other end; For the oil pump of pressure source is provided, one end of described oil pump is for being connected with actuating device; For the lubricating cup of hydraulic oil is provided, one end of described lubricating cup is communicated with described steering wheel, and the other end of lubricating cup is communicated with described oil pump; Described steering wheel, described oil pump and described lubricating cup form the hydraulic circuit of a sealing.
As the improvement on the one hand of a kind of steering swivel system of the utility model, described steering wheel is hydraulic booster steering wheel, and described steering wheel is provided with hydraulic fluid port.
As the improvement on the one hand of a kind of steering swivel system of the utility model, the quantity of described hydraulic fluid port is two, and wherein a hydraulic fluid port is communicated with described lubricating cup, and another hydraulic fluid port is communicated with described oil pump.
As the improvement on the one hand of a kind of steering swivel system of the utility model, described steering wheel is provided with plumbing arm, and described plumbing arm is vertically set up, and one end of described plumbing arm is connected with described steering wheel output shaft, and the other end of described plumbing arm is provided with pull bar.
As the improvement on the one hand of a kind of steering swivel system of the utility model, one end of described pull bar and one end of described plumbing arm are hinged, and the other end of described pull bar is provided with cranks arm.
As the improvement on the one hand of a kind of steering swivel system of the utility model, described in one end and the described pull bar of cranking arm hinged, described in the other end of cranking arm for being fixedly connected with the axis of traction being arranged under tractor body.
As the improvement on the one hand of a kind of steering swivel system of the utility model, described oil pump is constant current overflow type pump.
As the improvement on the one hand of a kind of steering swivel system of the utility model, described steering wheel one side is provided with support, and described axis of orientation is placed on described support.
The steering swivel system of said structure, for trac., comprises the oil pump and the steering wheel that are used to steering swivel system power-assisted, and oil pump is from actuating device power taking, while turning to, oil pump can be steering wheel power-assisted, and the steering operation of trac. is better, comparatively laborsaving, therefore, traveling comfort is also better.
For address the above problem two, the utility model proposes a kind of trac., comprise steering swivel system, described steering swivel system is steering swivel system as above.
As the improvement on the one hand of a kind of trac. of the utility model, on described tractor, be also provided with the joystick for gear shift, the quantity of described joystick is many.
It is better that above-mentioned steering swivel system has road-holding property, the advantage that traveling comfort is higher, and it is better that the trac. that above-mentioned steering swivel system is installed also has road-holding property, the advantage that traveling comfort is higher.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.
Fig. 1 is the structural representation of a kind of steering swivel system of the utility model embodiment;
Fig. 2 is the structural representation partly of cranking arm in Fig. 1.
In Fig. 1 to Fig. 2, the corresponding relation of Reference numeral is:
1 driving engine 2 lubricating cup 3 steering wheel 4 bearing circle
5 pipeline 6 plumbing arm 7 pull bars 8 are cranked arm
9 oil pump 10 joystick 11 seat 12 axis of traction
13 axis of orientations
The specific embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the utility model can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
Steering swivel system as shown in Figure 1, for trac., comprises axis of orientation 13, and axis of orientation 13 is obliquely installed, and the upper end of axis of orientation 13 is provided with bearing circle 4, and lower end is provided with steering wheel 3; Also comprise for the oil pump 9 of pressure source is provided, one end of oil pump 9 is for being connected with actuating device; Also comprise that one end of lubricating cup 2 is communicated with steering wheel 3 for the lubricating cup 2 of hydraulic oil is provided, the other end of lubricating cup 2 is communicated with oil pump 9; Steering wheel 3, oil pump 9 and lubricating cup 2 form the hydraulic circuit of a sealing.Particularly, actuating device is driving engine 1, and oil pump 9 is located at one end of driving engine 1, and driven by driving engine 1, the oil inlet of oil pump 9 is communicated with lubricating cup 2 by pipeline 5, and the oil outlet of oil pump 9 passes through pipeline 5 and is communicated with steering wheel 3, and provides high pressure liquid force feed for steering wheel 3.
In above-mentioned technique direction, steering wheel 3 is hydraulic booster steering wheel, and steering wheel 3 is provided with hydraulic fluid port, and particularly, the quantity of steering wheel 3 hydraulic fluid ports is two, and a hydraulic fluid port is oil inlet, and for being communicated with oil pump 9, another hydraulic fluid port is oil outlet, for being communicated with lubricating cup 2.On steering wheel 3, be also provided with plumbing arm 6, particularly, plumbing arm 6 is vertically set up, and the upper end of plumbing arm 6 is fixedly connected with steering wheel 3 output shafts, and the lower end of plumbing arm 6 is provided with the pull bar 7 for turning to.
In technique scheme, pull bar 7 equalitys are in horizontal surface setting, and the lower end of the left end of pull bar 7 and plumbing arm 6 is hinged, and the right-hand member of pull bar 7 is provided with cranks arm 8.As shown in Figure 2, the right-hand member of one end of 8 and pull bar 7 of cranking arm is hinged, 8 the other end of cranking arm is fixed on the axis of traction 12 under tractor vehicle body, particularly, crank arm and 8 can be secured by bolts on axis of traction 12, can also be fixed on axis of traction 12 by welding manner, be convenient disassembly, and the mode that is preferably bolted is fixed on axis of traction 12.
In oil pump 9, constant current overflow type pump has the gear-on-gear pump of endplay auto-compensation and hydraulic radial compensation and the constant flow pump that constant-flow relief valve forms, it is little that this oil pump has product, lightweight, and performance is good, use reliable, advantage easy to maintenance, therefore, the preferred constant current overflow type pump of above-mentioned oil pump 9, its principle of work and common oil pump are similar, do not repeat them here.
Further, steering wheel 3 one sides are provided with support, and axis of orientation 13 is placed on support, tool fallow land, and support is vertically set up, and axis of orientation 13 is fixed on the upper end of support, and the lower end of axis of orientation 13 is for being connected with tractor body.
The steering swivel system of said structure, principle of work is as follows:
When the trac. of above-mentioned steering swivel system being installed need to turning to, by chaufeur, to bearing circle 4, apply steering effort, because the oil inlet of steering wheel 3 is connected with oil pump 9, the oil pump 9 driving by driving engine 1 can provide high pressure liquid force feed for steering wheel 3, high pressure liquid force feed energy driving direction machine 3 rotates, and steering wheel 3 passes through output shaft outputting power, and drives plumbing arm 6 wigwag motions, during plumbing arm 6 wigwag motion, drive pull bar 7 sway.It should be noted that, because the right-hand member of pull bar 7 is fixed on, crank arm on 8, crank arm and 8 be fixed on axis of traction 12, axis of traction 12 is provided with tractor body, therefore, and in tractor steering process, crank arm 8 relatively fixing, pull bar 7 drives trac. headstocks to swing, and has realized the left and right turn of trac., because steering wheel 3 is by high pressure liquid force feed power-assisted, therefore, turn to comparatively laborsavingly, operate relatively convenient, chaufeur indefatigability, comparatively comfortable.
The steering swivel system of said structure, tool has the following advantages:
First, good operability, traveling comfort is high.The steering swivel system of said structure, on trac. time, comprises the oil pump 9 and the steering wheel 3 that are used to steering swivel system power-assisted, and oil pump 9 is from actuating device power taking, while turning to, oil pump 9 can be steering wheel 3 power-assisteds, and the steering operation of trac. is better, comparatively laborsaving, therefore, traveling comfort is also higher.
Secondly, the steering swivel system of said structure, compare with full hydraulic system steering swivel system, even stop working or hydraulic efficiency pressure system et out of order at driving engine 1, turning to yet of steering swivel system can not required great effort more, now, steering swivel system is as common purchaseless steering swivel system, and all steering efforts are applied by chaufeur, need not overcome other resistance, therefore, do not turn to and can more require great effort.
Except above-mentioned steering swivel system, the utility model also proposes a kind of trac., comprises steering swivel system, and described steering swivel system is steering swivel system as above.On trac., be also provided with for changing the joystick 10 of gear, particularly, joystick 10 can be arranged on gear shift cover, and its quantity is many.In addition, trac. is also provided with the seat 11 of taking for chaufeur.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a steering swivel system, for trac., is characterized in that, described steering swivel system comprises:
Axis of orientation (13), and the bearing circle (4) that is placed in described axis of orientation (13) one end, be placed in the steering wheel (3) of described axis of orientation (13) other end;
For the oil pump (9) of pressure source is provided, one end of described oil pump (9) is for being connected with actuating device;
For the lubricating cup (2) of hydraulic oil is provided, one end of described lubricating cup (2) is communicated with described steering wheel (3), and the other end of lubricating cup (2) is communicated with described oil pump (9);
Described steering wheel (3), described oil pump (9) and described lubricating cup (2) form the hydraulic circuit of a sealing.
2. steering swivel system according to claim 1, is characterized in that, described steering wheel (3) is hydraulic booster steering wheel, and described steering wheel (3) is provided with hydraulic fluid port.
3. steering swivel system according to claim 2, is characterized in that, the quantity of described hydraulic fluid port is two, and wherein a hydraulic fluid port is communicated with described lubricating cup (2), and another hydraulic fluid port is communicated with described oil pump (9).
4. steering swivel system according to claim 3, it is characterized in that, described steering wheel (3) is provided with plumbing arm (6), and described plumbing arm (6) is vertically set up, one end of described plumbing arm (6) is connected with described steering wheel (3) output shaft, and the other end of described plumbing arm (6) is provided with pull bar (7).
5. steering swivel system according to claim 4, is characterized in that, one end of one end of described pull bar (7) and described plumbing arm (6) is hinged, and the other end of described pull bar (7) is provided with crank arm (8).
6. steering swivel system according to claim 5, is characterized in that, described in crank arm one end and the described pull bar (7) of (8) hinged, described in crank arm the other end of (8) for being fixedly connected with the axis of traction (12) being arranged under tractor body.
7. according to the steering swivel system described in any one in claim 1 to 6, it is characterized in that, described oil pump (9) is constant current overflow type pump.
8. according to the steering swivel system described in any one in claim 1 to 6, it is characterized in that, described steering wheel (3) one sides are provided with support, and described axis of orientation (13) is placed on described support.
9. a trac., comprises steering swivel system, it is characterized in that, described steering swivel system is steering swivel system described in any one in claim 1 to 8.
10. trac. according to claim 9, is characterized in that, is also provided with the joystick (10) for gear shift on described trac., and the quantity of described joystick (10) is many.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320423227.8U CN203450198U (en) | 2013-07-16 | 2013-07-16 | Steering system and tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320423227.8U CN203450198U (en) | 2013-07-16 | 2013-07-16 | Steering system and tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203450198U true CN203450198U (en) | 2014-02-26 |
Family
ID=50130097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320423227.8U Expired - Fee Related CN203450198U (en) | 2013-07-16 | 2013-07-16 | Steering system and tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203450198U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106143587A (en) * | 2016-08-18 | 2016-11-23 | 安徽泗州拖拉机制造有限公司 | The steering control device of a kind of big-powered tractor and control method |
-
2013
- 2013-07-16 CN CN201320423227.8U patent/CN203450198U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106143587A (en) * | 2016-08-18 | 2016-11-23 | 安徽泗州拖拉机制造有限公司 | The steering control device of a kind of big-powered tractor and control method |
| CN106143587B (en) * | 2016-08-18 | 2019-08-06 | 安徽泗州拖拉机制造有限公司 | A kind of steering control device and control method of big-powered tractor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140226 |
|
| CX01 | Expiry of patent term | ||
| CU01 | Correction of utility model |
Correction item: Termination upon expiration of patent Correct: Revocation of Patent Expiration and Termination False: Expiration and Termination of 39 Volume 3101 Patent on August 1, 2023 Number: 31-01 Volume: 39 |
|
| CU01 | Correction of utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |