CN204150101U - A kind of articulated steering system and trac. - Google Patents
A kind of articulated steering system and trac. Download PDFInfo
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- CN204150101U CN204150101U CN201420332655.4U CN201420332655U CN204150101U CN 204150101 U CN204150101 U CN 204150101U CN 201420332655 U CN201420332655 U CN 201420332655U CN 204150101 U CN204150101 U CN 204150101U
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- deflector
- steering system
- articulated steering
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Abstract
The utility model proposes a kind of articulated steering system, for trac., comprise bearing circle, steering shaft and deflector, described bearing circle and described deflector are placed in the two ends of described steering shaft, also comprise the oil pump for providing pressure oil for deflector, described oil pump is communicated with deflector by pipeline, and described deflector is communicated with the oil cylinder for driving wheel flutter to turn to by pipeline.The articulated steering system of said structure, employing hydraulic booster system is power steering, comprise deflector and provide the oil pump of pressure oil for deflector, oil pump is driven by actuating device, oil pump by pipeline for deflector provides pressure oil, deflector is communicated with the oil cylinder for driving wheel flutter to turn to by pipeline, and promotes the flexible of oil cylinder by pressure oil, thus drives wheel flutter to turn to.Owing to adopting hydraulic booster system power-assisted, therefore, turn to light, comparatively laborsaving, driver workload is less, indefatigability.On the other hand, the utility model also proposes a kind of trac..
Description
Technical field
The utility model relates to agricultural mechanical field, particularly a kind of articulated steering system and trac..
Background technology
Along with the development of China's economy, the field machines such as mechanization of agriculture is advanced effectively, trac. are very general in vast rural area.Now widely used trac., such as 12,18 series small articulated steering trac.s or other articulated steering vehicles, articulated steering system is mainly mechanical articulated steering system, as shown in Figures 1 and 2, mechanical articulated steering system comprises bearing circle 1 ', support 2 ', steering wheel 3 ', pull bar 4 ', connecting lever 5 ' and axis of traction 6 '.Bearing circle 1 ' is connected with steering wheel 3 ' by axis of orientation, axis of orientation is fixed on support 2 ', steering wheel 3 ' side is provided with steering drop arm, one end of pull bar 4 ' is placed in steering drop arm bottom, the other end of pull bar 4 ' is connected with one end of connecting lever 5 ', the other end of connecting lever 5 ' is arranged on axis of traction 6 ', and one end of traction seat is provided with traction assembly 7 '.
The mechanical articulated steering system of said structure, has the following disadvantages:
First, effort is turned to.The articulated steering system of said structure, steering effort, from bearing circle 1 ', is namely applied by chaufeur or operator, therefore, turns to relatively heavy, and when especially turning sharp turn, chaufeur or operator's workload are comparatively large, easily tired.
Secondly, steering reaction pauses late.The articulated steering system of said structure, deflector relies on worm and gear to realize turning to, and therefore, steering reaction pauses comparatively late, needs constantly steering wheel rotation 1 ' could realize turning to when turning to.
In sum, how to provide a kind of laborsaving, and turn to sensitive articulated steering system, 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 the utility model technical issues that need to address are to provide a kind of articulated steering system, are placed on trac., turning to effort, causing chaufeur to hold fatigable problem for solving articulated steering system.
Two of the utility model technical issues that need to address are to provide a kind of system and turn to labour-saving trac..
For one of solving the problems of the technologies described above, the utility model proposes a kind of articulated steering system, for trac., comprise bearing circle, steering shaft and deflector, described bearing circle and described deflector are placed in the two ends of described steering shaft, also comprise the oil pump for providing pressure oil for deflector, described oil pump is communicated with deflector by pipeline, and described deflector is communicated with the oil cylinder for driving wheel flutter to turn to by pipeline; Described steering swivel system also comprises the actuating device for driving described oil pump; Described steering swivel system also comprises fuel tank, and described fuel tank is communicated with described oil pump and described deflector; Described deflector is hydraulic steering gear, and described deflector is provided with multiple hydraulic fluid port for being communicated with oil cylinder with oil pump; Described oil cylinder comprises rod chamber and rodless cavity, and described deflector is communicated with rodless cavity with the rod chamber of described oil cylinder by described hydraulic fluid port; One end of described oil cylinder is provided with connecting lever, and the other end of described oil cylinder is provided with half-axle conduit; One end of described connecting lever is fixed on axis of traction, and one end of described axis of traction is provided with traction assembly.
Described actuating device comprises driving engine.
Described fuel tank is hydraulic reservoir.
Described deflector is also provided with the hydraulic fluid port for being communicated with fuel tank, described hydraulic fluid port is communicated with fuel tank by pipeline.
The quantity of described half-axle conduit is two, and described half-axle conduit is for installing wheel flutter.
Be provided with support below described deflector, deflector is arranged on support, on the vehicle frame that support is arranged at trac. or upper cover of speed changing box.
Described actuating device comprises HM Hydraulic Motor.
Described piston for cylinder termination and described connecting lever is hinged or with termination, cylinder body one end and connecting lever hinged.
Described deflector comprises combination valve block; Described combination valve block comprises in line check valve, safety valve, two-way overload valve and two-way oil compensation valve.
The articulated steering system of said structure, employing hydraulic booster system is power steering, comprise deflector and provide the oil pump of pressure oil for deflector, oil pump is driven by actuating device, oil pump by pipeline for deflector provides pressure oil, deflector is communicated with the oil cylinder for driving wheel flutter to turn to by pipeline, and promotes the flexible of oil cylinder by pressure oil, thus drives wheel flutter to turn to.Owing to adopting hydraulic booster system power-assisted, therefore, turn to light, comparatively laborsaving, driver workload is less, indefatigability.
For solve the problems of the technologies described above two, the utility model also proposes a kind of trac., comprises articulated steering system, and described articulated steering system is articulated steering system as above.
Above-mentioned articulated steering system has and turns to light, and turn to labour-saving feature, the trac. being provided with above-mentioned articulated steering system also easily turns to accordingly.
Articulated steering system of the present invention, its oil cylinder one end is connected with half-axle conduit, and one end is connected with traction element, can be movable; Meanwhile, the other end is provided with telescopic ram, pushes away with oil cylinder, pulls shaft of tractor and traction element to realize articulated steering, adapts to 12,18 series small articulated steering trac.s or other articulated steering vehicles.In articulated steering trac. field, turn to Unidirectional telescopic oil cylinder hydraulic, there is no precedent on the market.Articulated steering trac. old-fashioned before the utility model instead of, safe, laborsaving, long service life.
Accompanying drawing explanation
The accompanying drawing forming 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, for explaining the utility model, is not formed improper restriction of the present utility model.
Fig. 1 is the structural representation of mechanical articulated steering system in correlation technique;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the structural representation of a kind of articulated steering system of the utility model embodiment;
Fig. 4 is the traction seat assembly of a kind of articulated steering system of the utility model embodiment and the structural representation of half-axle conduit part;
Fig. 5 is the birds-eye view of Fig. 4.
In Fig. 1 to Fig. 2, the corresponding relation of Reference numeral is:
1 ' bearing circle 2 ' support 3 ' steering wheel
4 ' pull bar 5 ' connecting lever 6 ' axis of traction
7 ' traction assembly
In Fig. 3 to Fig. 5, the corresponding relation of Reference numeral is:
1 fuel tank 2 bearing circle 3 steering shaft 4 pipeline
5 traction assembly 6 connecting lever 7 axis of traction 8 oil cylinders
9 half-axle conduit 10 support 11 deflector 12 actuating devices
13 oil pumps
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
Articulated steering system as shown in Figure 3, for tractor, comprise the bearing circle 2 for applying steering effort, and steering shaft 3, deflector 11, bearing circle 2 and deflector 11 are placed in the two ends of steering shaft 3, particularly, deflector 11 is hydraulic steering gear, and deflector 11 is provided with hydraulic fluid port, and the hydraulic fluid port in deflector 11 is communicated with oil pump 13 by pipeline 4, and providing pressure oil by oil pump 13, the hydraulic fluid port in deflector 11 is also communicated with the oil cylinder 8 for driving wheel flutter to turn to by pipeline 4.
In technique scheme, oil pump 13 is driven by actuating device 12, and specifically, actuating device 12 can be driving engine, is namely rotated by driven by engine oil pump 13, and actuating device 12 can also be HM Hydraulic Motor, does not do concrete restriction at this.One end of oil pump 13 is provided with fuel tank 1, or one end of oil pump 13 is communicated with fuel tank 1 by pipeline 4, and fuel tank 1 is hydraulic reservoir, for splendid attire hydraulic oil.
In technique scheme, be provided with support 10 below deflector 11, deflector 11 is arranged on support 10, and support 10 can be arranged on the vehicle frame of trac., also can be placed on upper cover of speed changing box.
As shown in Figures 4 and 5, axis of traction 7 is placed in trac. head and junction, compartment, one end of axis of traction 7 is provided with traction assembly 5, axis of traction 7 is provided with connecting lever 6, particularly, one end of connecting lever 6 is fixedly connected with axis of traction 7 by bolt or welding manner, the other end of connecting lever 6 and one end of oil cylinder 8 hinged, the other end of oil cylinder 8 is used for hinged with half-axle conduit 9, and half-axle conduit 9 is provided with tire.Be provided with piston and piston rod in oil cylinder 8, therefore, oil cylinder 8 comprises rod chamber and rodless cavity, and when rod chamber oil-feed, rodless cavity is fuel-displaced, and now, oil cylinder 8 shrinks.When rodless cavity oil-feed, rod chamber is fuel-displaced, and now, oil cylinder 8 extends.
In technique scheme, it should be noted that, oil cylinder 8 may be hinged with piston rod end and connecting lever 6, also can use termination, cylinder body one end and connecting lever 6 hinged, do not do concrete restriction at this.In addition, deflector 11 comprises combination valve block, particularly, combination valve block comprises in line check valve, safety valve, two-way overload valve and two-way oil compensation valve.In line check valve impacts the bearing circle 2 that cause shakes by outer carry when low speed for preventing trac., and safety valve is used for providing safety guard-safeguard for articulated steering system, and two-way overload valve is used for providing overload protection to the external impacts that oil cylinder 8 is subject to.In addition, two chambeies of oil cylinder 8 are due to the issuable instantaneous negative pressure of external impact, and now, two-way oil compensation valve can play repairing effect, occurs hole in anti-locking system.
The principle of work of above-mentioned articulated steering system is as follows:
As shown in Figure 3, when needs turn to, to the left side or the right steering wheel rotation 2 of bearing circle 2, oil pump 13 rotates under driven by engine, and hydraulic oil is extracted from fuel tank 1, high pressure liquid force feed through oil pump 13 4 enters in deflector 11 by the road, and according to the difference turned to, hydraulic oil enters into rod chamber or the rodless cavity of oil cylinder 8 through different pipeline 4.Assuming that when bearing circle 2 is toward when rotating counterclockwise, hydraulic oil enters rod chamber, and now, rodless cavity oil extraction, oil cylinder 8 shortens thereupon.The half-axle conduit 9 being provided with tire moves backward under the drive of oil cylinder 8, realizes turning to of trac..Correspondingly, assuming that when bearing circle 2 is toward when rotating clockwise, hydraulic oil enters rodless cavity, and now, rod chamber oil extraction, oil cylinder 8 extends, and the half-axle conduit 9 being provided with tire moves forward under the promotion of oil cylinder 8, realizes turning to of trac. thereupon.
It should be noted that, the quantity of half-axle conduit 9 is two, and the half-axle conduit 9 being located at deflector 11 is connected with the semiaxis guide rod of the other end by pull bar, and when half-axle conduit 9 on one side turns to, pull bar must drive the half-axle conduit 9 of the other end to turn to thereupon.Particularly, can arrange track arm respectively in the side of two half-axle conduits 9, the two ends of pull bar are arranged on track arm.
The articulated steering system of said structure, tool has the following advantages:
First, turn to light.The articulated steering system of said structure, hydraulic booster system is adopted to be articulated steering system power steering, comprise deflector 11 and provide the oil pump 13 of pressure oil for deflector 11, oil pump 13 is driven by actuating device 12, oil pump 13 by pipeline 4 for deflector 11 provides pressure oil, deflector 11 is communicated with the oil cylinder 8 for driving wheel flutter to turn to by pipeline 4, and promotes the flexible of oil cylinder 8 by pressure oil, thus drives wheel flutter to turn to.Owing to adopting hydraulic booster system power-assisted, therefore, turn to light, comparatively laborsaving, driver workload is less, indefatigability.
Secondly, turn to sensitive.The articulated steering system of said structure, during work, the fluid of hydraulic efficiency pressure system is high pressure oil, flow velocity is very fast, oil cylinder 8 can be made in the short period of time to elongate or shorten, and drive wheel flutter to realize quick steering, change the steering mode that traditional mechanical articulated steering system dependence worm and gear turns to, therefore, turn to comparatively sensitive.
On the other hand, the utility model also proposes a kind of trac., and trac. comprises wheel flutter, driving engine and articulated steering system etc., and wherein, articulated steering system is articulated steering system as above.
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 amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. an articulated steering system, for trac., comprise bearing circle (2), steering shaft (3) and deflector (11), described bearing circle (2) and described deflector (11) are placed in the two ends of described steering shaft (3), it is characterized in that, also comprise the oil pump (13) for providing pressure oil for deflector (11), described oil pump (13) is communicated with deflector (11) by pipeline (4), and described deflector (11) is communicated with the oil cylinder (8) for driving wheel flutter to turn to by pipeline (4); Described articulated steering system also comprises the actuating device (12) for driving described oil pump (13); Described articulated steering system also comprises fuel tank (1), and described fuel tank (1) is communicated with described oil pump (13) and described deflector (11); Described deflector (11) is hydraulic steering gear, and described deflector (11) is provided with multiple hydraulic fluid port for being communicated with oil cylinder (8) with oil pump (13); Described oil cylinder (8) comprises rod chamber and rodless cavity, and described deflector (11) is communicated with rodless cavity by the rod chamber of described hydraulic fluid port with described oil cylinder (8); One end of described oil cylinder (8) is provided with connecting lever (6), and the other end of described oil cylinder (8) is provided with half-axle conduit (9); One end of described connecting lever (6) is fixed on axis of traction (7), and one end of described axis of traction (7) is provided with traction assembly (5).
2. articulated steering system according to claim 1, is characterized in that, described actuating device (12) comprises driving engine.
3. articulated steering system according to claim 1, is characterized in that, described fuel tank (1) is hydraulic reservoir.
4. articulated steering system according to claim 1, it is characterized in that, described deflector (11) is also provided with the hydraulic fluid port for being communicated with fuel tank (1), described hydraulic fluid port is communicated with fuel tank (1) by pipeline (4).
5. articulated steering system according to claim 1, is characterized in that, the quantity of described half-axle conduit (9) is two, and described half-axle conduit (9) is for installing wheel flutter.
6. articulated steering system according to claim 1, it is characterized in that, described deflector (11) below is provided with support (10), deflector (11) is arranged on support (10), on the vehicle frame that support (10) is arranged at trac. or upper cover of speed changing box.
7. articulated steering system according to claim 1, is characterized in that, described actuating device (12) comprises HM Hydraulic Motor.
8. articulated steering system according to claim 1, is characterized in that, described oil cylinder (8) with piston rod end and described connecting lever (6) is hinged or with termination, cylinder body one end and connecting lever (6) hinged.
9. articulated steering system according to claim 1, is characterized in that, (11) comprise combination valve block in described deflector; Described combination valve block comprises in line check valve, safety valve, two-way overload valve and two-way oil compensation valve.
10. a trac., comprises articulated steering system, it is characterized in that, the articulated steering system of described articulated steering system according to any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420332655.4U CN204150101U (en) | 2014-06-20 | 2014-06-20 | A kind of articulated steering system and trac. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420332655.4U CN204150101U (en) | 2014-06-20 | 2014-06-20 | A kind of articulated steering system and trac. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204150101U true CN204150101U (en) | 2015-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420332655.4U Active CN204150101U (en) | 2014-06-20 | 2014-06-20 | A kind of articulated steering system and trac. |
Country Status (1)
| Country | Link |
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| CN (1) | CN204150101U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106741162A (en) * | 2017-03-14 | 2017-05-31 | 重庆宗申巴贝锐拖拉机制造有限公司 | A kind of articulated steering mechanism on tractor |
| CN108082270A (en) * | 2018-01-24 | 2018-05-29 | 黄昭斌 | A kind of bowing turns to tractor |
| CN108545112A (en) * | 2018-05-22 | 2018-09-18 | 长沙桑铼特农业机械设备有限公司 | A kind of steering returning device and tractor |
| CN108622194A (en) * | 2018-04-20 | 2018-10-09 | 韦国举 | A kind of tractor |
-
2014
- 2014-06-20 CN CN201420332655.4U patent/CN204150101U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106741162A (en) * | 2017-03-14 | 2017-05-31 | 重庆宗申巴贝锐拖拉机制造有限公司 | A kind of articulated steering mechanism on tractor |
| CN108082270A (en) * | 2018-01-24 | 2018-05-29 | 黄昭斌 | A kind of bowing turns to tractor |
| CN108082270B (en) * | 2018-01-24 | 2024-02-02 | 黄昭斌 | Articulated steering tractor |
| CN108622194A (en) * | 2018-04-20 | 2018-10-09 | 韦国举 | A kind of tractor |
| CN108545112A (en) * | 2018-05-22 | 2018-09-18 | 长沙桑铼特农业机械设备有限公司 | A kind of steering returning device and tractor |
| CN108545112B (en) * | 2018-05-22 | 2024-03-08 | 长沙桑铼特农业机械设备有限公司 | Steering return device and tractor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |