CN104908806B - A kind of steering mechanism - Google Patents
A kind of steering mechanism Download PDFInfo
- Publication number
- CN104908806B CN104908806B CN201510310092.8A CN201510310092A CN104908806B CN 104908806 B CN104908806 B CN 104908806B CN 201510310092 A CN201510310092 A CN 201510310092A CN 104908806 B CN104908806 B CN 104908806B
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- mouthfuls
- steering
- magnetic valve
- steering mechanism
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- Steering Control In Accordance With Driving Conditions (AREA)
Abstract
The invention provides a kind of steering mechanism, it is characterised in that：Including steering cylinder, the piston-rod end at steering cylinder two ends has been movably connected with a pull bar, and the one end of each pull bar away from piston rod is connected with drawing article, and drawing article is fixedly connected with the steering angle amplifier for amplifying its rotational angle.The present invention amplifies rotational angle by steering angle amplifier, and steering angle can be made to reach more than 90 °, so as to conveniently turn the position of driving body, operating efficiency is effectively improved, if while when steering mechanism is absorbed in mud ground, can also be turned to and walked according to landform, facilitate detrapping.
Description
Technical field
It is to be related to a kind of hydraulic steering mechanism specifically the present invention relates to a kind of steering mechanism.
Background technology
At present, the steering angle of hydraulic steering mechanism can not reach more than 90 ° of angle, and driving body can not realize transverse direction
Turn to, when run into need to turn headstock or depart from pitfall when, generally require and detour and human body stroller, more time-consuming, effect
Rate is relatively low.
The content of the invention
It is an object of the invention to overcome the weak point of above-mentioned conventional art there is provided a kind of Portable power saving, can laterally turn
Dynamic steering mechanism.
The technical scheme is that：
A kind of steering mechanism, it is characterised in that：Including steering cylinder, the piston-rod end activity respectively at steering cylinder two ends
A pull bar is connected with, the one end of each pull bar away from piston rod is connected with drawing article, and drawing article is fixedly connected with amplification
The steering angle amplifier of its rotational angle.
A kind of specific prioritization scheme, steering angle amplifier includes central gear, planetary gear and the external toothing cooperated,
The middle part of central gear is provided with rotating shaft, and rotating shaft is fixedly connected with drawing article.
A kind of specific prioritization scheme, steering angle amplifier also include planet carrier, planet carrier include restocking and undercarriage, restocking with
Drawing article is fixedly connected, and undercarriage is rotated with external toothing and is connected.
A kind of specific prioritization scheme, planetary quantity is multiple.
A kind of specific prioritization scheme, planetary quantity is six.
A kind of specific prioritization scheme, pull bar is flexibly connected with piston rod by the second bulb, and pull bar and drawing article pass through the
One bulb is flexibly connected.
A kind of specific prioritization scheme, the quantity of steering cylinder is one or two.
A kind of specific prioritization scheme, also including hydraulic steering gear, control valve block and conversion valve block, hydraulic steering gear is provided with
Oil-out and oil return opening, control valve block are provided with A1 mouthful, A2 mouthfuls, A3 mouthfuls, A4 mouthfuls, A5 mouthfuls and A6 mouthfuls, reversal valve be provided with B1 mouthfuls,
B2 mouthfuls, B3 mouthfuls and B4 mouthfuls, A1 mouthfuls connect with oil-out, and A2 mouthfuls connect with oil return opening, one of steering cylinder respectively with A5 mouthfuls
Connected with A6 mouthfuls, another steering cylinder is connected with B2 mouthfuls and B3 mouthfuls respectively, and A3 mouthfuls connect with B1 mouthfuls, and A4 mouthfuls connect with B4 mouthfuls,
Conversion valve block is provided with the 3rd magnetic valve and the 4th magnetic valve.Setting the structure can control to turn to multi-mode, convenient according to feelings
Condition selects steering demand.
A kind of specific prioritization scheme, also including mode controller, control valve block is provided with the first magnetic valve and the second electromagnetism
Valve, the first magnetic valve, the second magnetic valve, the 3rd magnetic valve and the 4th magnetic valve are electrically connected with mode controller respectively.
A kind of specific prioritization scheme, also including position sensor, position sensor is electrically connected with mode controller.Pass through position
The convenient sensing steering degree of sensor is put so that mode controller regulation is turned to.
The present invention amplifies rotational angle by steering angle amplifier, and steering angle can be made to reach more than 90 °, so that convenient adjust
Turn the position of driving body, effectively improve operating efficiency, if while when steering mechanism is absorbed in mud ground, can also be turned to and gone according to landform
Walk, facilitate detrapping.
The invention will be further described with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Fig. 1 is a kind of structural representation of steering mechanism of the invention；
Fig. 2 is the structural representation for controlling valve block；
Fig. 3 is the structural representation of conversion valve block；
Fig. 4 is the structural representation of steering angle amplifier；
Fig. 5 is the dimensional structure diagram of steering angle amplifier；
Fig. 6 is the dimensional structure diagram of steering angle amplifier.
Embodiment
Embodiment 1：As shown in Fig. 1, Fig. 4, Fig. 5 and Fig. 6, a kind of steering mechanism, including two steering cylinders 7, steering oil
The piston-rod end at the two ends of cylinder 7 is connected with a pull bar 11 by the second bulb 12 respectively, and each pull bar 11 is away from piston
One end of bar is connected with drawing article 9 by the first bulb 10, and drawing article 9 is fixedly connected with the steering for amplifying its rotational angle
Angle amplifier 8.
As shown in Figures 4 to 6, steering angle amplifier 8 includes the central gear 403 of mutual cooperation, six planetary gears 404
With external toothing 406, the middle part of central gear 403 is provided with rotating shaft 402, and rotating shaft 402 is fixedly connected with drawing article 9.In use, turning to
Angle amplifier 8 is located at propons 6 or the top of back axle 16 of driving body, the propons 6 or back axle of two external toothings 406 respectively with driving body
16 two ends are fixedly connected.
Steering angle amplifier 8 also includes planet carrier, and planet carrier includes restocking 401 and undercarriage 405, restocking 401 and drawing article 9
It is fixedly connected, undercarriage 405 is rotated with external toothing 406 and is connected.
As shown in Figure 1, Figure 2 and Figure 3, also including hydraulic oil container 17, gear pump 18, hydraulic steering gear 19, control valve block 14
With conversion valve block 15, gear pump 18 is connected with the oil-out of hydraulic oil container 17, hydraulic steering gear 19 respectively with gear pump 18 and liquid
The oil return opening connection of case 17 is pressed oil, hydraulic steering gear 19 is provided with oil-out 21 and oil return opening 20, and control valve block 14 is provided with A1
Mouthfuls 201, A2 mouths 202, A3 mouths 203, A4 mouths 204, A5 mouths 205 and A6 mouths 206, conversion valve block 15 be provided with B1 mouths 301, B2 mouthfuls
302nd, B3 mouths 303 and B4 mouths 304, A1 mouths 201 are connected with oil-out 21, and A2 mouths 202 are connected with oil return opening 20, are connected with propons 6
Steering cylinder 7 provided with C1 mouthful and C2 mouthfuls, C1 mouthfuls connect with A6 mouths 206, and C2 mouthfuls connect with A5 mouths 205, are connected with back axle 16
Steering cylinder 7 provided with C3 mouthful and C4 mouthfuls, C3 mouthfuls connect with B3 mouths 303, and C4 mouthfuls connect with B2 mouths 302, A3 mouths 203 and B1 mouthfuls
301 connections, A4 mouths 204 are connected with B4 mouths 304, and conversion valve block 15 is provided with the 3rd magnetic valve 103 and the 4th magnetic valve 104.
Also include mode controller 13, control valve block 14 is provided with the first magnetic valve 101 and the second magnetic valve 102, first
Magnetic valve 101, the second magnetic valve 102, the 3rd magnetic valve 103 and the 4th magnetic valve 104 are electrically connected with mode controller 13 respectively.
Also include position sensor 22, the quantity of position sensor 22 is two, propons 6 is individually fixed in when using with after
On bridge 16, two position sensors 22 are electrically connected with mode controller 13 respectively.
Each magnetic valve is controlled by mode controller 13, four kinds of hydraulic patterns can be achieved, is respectively：
1st, mode of operation
The first magnetic valve 101, the second magnetic valve 102 and the 3rd magnetic valve 103 are closed, the 4th magnetic valve 104 is opened；
Hydraulic oil：21-A1 mouthfuls 201-A6 mouthfuls 206-C1 mouthfuls of oil-out-：C2 mouthfuls-A5 mouthfuls 205-A4 mouthfuls 204-B4 mouthfuls of 304-B2
302-C4 mouthfuls of mouth-：C3 mouthfuls-B3 mouthfuls 303-B1 mouthfuls 301-A3 mouthfuls 203-A2 mouthfuls of 202--- oil return openings 22
In this pattern, the synchronous motion in the same direction of steering cylinder 7.
2nd, lateral pattern
The first magnetic valve 101, the second magnetic valve 102 and the 4th magnetic valve 104 are closed, the 3rd magnetic valve 103 is opened；
Hydraulic oil：21-A1 mouthfuls 201-A6 mouthfuls 206--C1 mouthfuls of oil-out --：C2 mouthfuls-A5 mouthfuls 205-A4 mouthfuls 204-B4 mouthfuls of 304-
B3 mouthfuls 303-C4 mouthfuls --：C3 mouthfuls-B2 mouthfuls 302-B1 mouthfuls 301-A3 mouthfuls 203-A2 mouthfuls of 202--- oil return openings 22
In this pattern, the motion of the synchronous backward of steering cylinder 7.
3rd, front-wheel steer pattern
The first magnetic valve 101, the 4th magnetic valve, 104 and the 3rd magnetic valve 103 are closed, the second magnetic valve 102 is opened；
Hydraulic oil：21-A1 mouthfuls 201-A6 mouthfuls 206--C1 mouthfuls of oil-out --：C2 mouthfuls-A5 mouthfuls 205-A3 mouthfuls 203-A2 mouthfuls
202--- oil return openings 22
4th, shaping modes are assembled
(1) the first magnetic valve 101 and the 3rd magnetic valve 103, are closed, the second magnetic valve 102 and the 4th magnetic valve is opened
104；
Open engine, steering wheel rotation makes the steering cylinder 7 of control propons 6 do total travel to act 10 times, to extremely spacing
Put termination.
(2) the second magnetic valve 102 and the 3rd magnetic valve 103 are closed, the first magnetic valve 101 and the 4th magnetic valve 104 is opened；
Open engine, steering wheel rotation make control back axle 16 turn to oil cylinder 7 do total travel act 15 times, to and propons
6 extreme positions in the same direction are terminated.
Mode of operation is opened, regulation is completed.
In addition, when actually used, steering cylinder 7 can also being set only on propons 6 or back axle 16 according to demand, is now turned
One is to the quantity of oil cylinder 7 and position sensor 22, while the quantity of planetary gear 404 can also be set in addition as needed
Put, to meet different steering demands.
Claims (8)
1. a kind of steering mechanism, it is characterised in that：Including steering cylinder (7), the piston-rod end at steering cylinder (7) two ends is distinguished
A pull bar (11) is connected with, the one end of each pull bar (11) away from piston rod is connected with drawing article (9), drawing article
(9) the steering angle amplifier (8) for amplifying its rotational angle is fixedly connected with, steering angle amplifier (8) is located at the propons of driving body
(6) or above back axle (16), the quantity of steering cylinder (7) is two, also including hydraulic steering gear (19), control valve block (14) and
Conversion valve block (15), hydraulic steering gear (19) is provided with oil-out (21) and oil return opening (20), and control valve block (14) is provided with A1
Mouth (201), A2 mouthfuls (202), A3 mouthfuls (203), A4 mouthfuls (204), A5 mouthfuls (205) and A6 mouthfuls (206), conversion valve block (15) is provided with
B1 mouthfuls (301), B2 mouthfuls (302), B3 mouthfuls (303) and B4 mouthfuls (304), A1 mouthfuls (201) are connected with oil-out (21), A2 mouthfuls (202)
Connected with oil return opening (20), one of steering cylinder (7) connects with A5 mouthfuls (205) and A6 mouthfuls (206) respectively, another steering
Oil cylinder (7) is connected with B2 mouthfuls (302) and B3 mouthfuls (303) respectively, and A3 mouthfuls (203) are connected with B1 mouthfuls (301), A4 mouthfuls (204) and B4
Mouth (304) connection, conversion valve block (15) is provided with the 3rd magnetic valve (103) and the 4th magnetic valve (104).
2. steering mechanism according to claim 1, it is characterised in that：Steering angle amplifier (8) includes cooperating too
Positive gear (403), planetary gear (404) and external toothing (406), the middle part of central gear (403) are provided with rotating shaft (402), rotating shaft
(402) it is fixedly connected with drawing article (9).
3. steering mechanism according to claim 2, it is characterised in that：Steering angle amplifier (8) also includes planet carrier, planet
Frame includes restocking (401) and undercarriage (405), and restocking (401) is fixedly connected with drawing article (9), undercarriage (405) and external toothing
(406) connection is rotated.
4. steering mechanism according to claim 2, it is characterised in that：The quantity of planetary gear (404) is multiple.
5. steering mechanism according to claim 4, it is characterised in that：The quantity of planetary gear (404) is six.
6. steering mechanism according to claim 1, it is characterised in that：Pull bar (11) passes through the second bulb (12) with piston rod
It is flexibly connected, pull bar (11) is flexibly connected with drawing article (9) by the first bulb (10).
7. steering mechanism according to claim 1, it is characterised in that：Also include mode controller (13), control valve block
(14) the first magnetic valve (101) and the second magnetic valve (102), the first magnetic valve (101), the second magnetic valve (102), the are provided with
Three magnetic valves (103) and the 4th magnetic valve (104) are electrically connected with mode controller (13) respectively.
8. steering mechanism according to claim 7, it is characterised in that：Also include position sensor (22), position sensor
(22) electrically connected with mode controller (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510310092.8A CN104908806B (en) | 2015-06-01 | 2015-06-01 | A kind of steering mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510310092.8A CN104908806B (en) | 2015-06-01 | 2015-06-01 | A kind of steering mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104908806A CN104908806A (en) | 2015-09-16 |
| CN104908806B true CN104908806B (en) | 2017-07-11 |
Family
ID=54078351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510310092.8A Active CN104908806B (en) | 2015-06-01 | 2015-06-01 | A kind of steering mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104908806B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106891993B (en) * | 2017-03-14 | 2023-02-14 | 吉林大学 | Four-wheel steering system and steering control method for hilly and mountain tractor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1006041A2 (en) * | 1998-12-01 | 2000-06-07 | DaimlerChrysler AG | Power-assisted hydraulic steering for motor vehicles |
| CN202593773U (en) * | 2012-05-22 | 2012-12-12 | 陈自昱 | Ride-type bicycle |
| CN202742991U (en) * | 2012-06-30 | 2013-02-20 | 南京创捷和信汽车零部件有限公司 | Front steering axle assembly |
| CN203142764U (en) * | 2013-02-01 | 2013-08-21 | 上海电力环保设备总厂有限公司 | Planetary transmission hydraulic steering mechanism |
| CN204937213U (en) * | 2015-06-01 | 2016-01-06 | 潍坊爱地植保机械有限公司 | A kind of steering hardware |
-
2015
- 2015-06-01 CN CN201510310092.8A patent/CN104908806B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1006041A2 (en) * | 1998-12-01 | 2000-06-07 | DaimlerChrysler AG | Power-assisted hydraulic steering for motor vehicles |
| CN202593773U (en) * | 2012-05-22 | 2012-12-12 | 陈自昱 | Ride-type bicycle |
| CN202742991U (en) * | 2012-06-30 | 2013-02-20 | 南京创捷和信汽车零部件有限公司 | Front steering axle assembly |
| CN203142764U (en) * | 2013-02-01 | 2013-08-21 | 上海电力环保设备总厂有限公司 | Planetary transmission hydraulic steering mechanism |
| CN204937213U (en) * | 2015-06-01 | 2016-01-06 | 潍坊爱地植保机械有限公司 | A kind of steering hardware |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104908806A (en) | 2015-09-16 |
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