CN203819042U - Road roller and walking and steering control system thereof - Google Patents
Road roller and walking and steering control system thereof Download PDFInfo
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- CN203819042U CN203819042U CN201420085130.5U CN201420085130U CN203819042U CN 203819042 U CN203819042 U CN 203819042U CN 201420085130 U CN201420085130 U CN 201420085130U CN 203819042 U CN203819042 U CN 203819042U
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- walking
- bar handle
- control system
- roller
- steering control
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Abstract
The utility model discloses a walking and steering control system, which comprises an operating handle, a controller, a walking electric proportional valve bank, a steering electric proportional valve bank and a hydraulic executing mechanism, wherein the operating handle is connected to the input end of the controller; the output end of the controller is connected to the walking electric proportional valve bank and the steering electric proportional valve bank respectively; the walking electric proportional valve bank and the steering electric proportional valve bank are connected with the hydraulic executing mechanism. The walking and steering operation of the walking and steering control system is finished by using the operating handle without mounting a steering gear and a steering wheel or a steering disk, so that the structure and control are simplified, an operator can operate with one hand, and the labor intensity of the operator is lowered greatly. Moreover, the utility model further discloses a road roller on which the walking and steering control system is arranged.
Description
Technical field
The utility model relates to engineering machinery field, particularly a kind of roller and walking thereof and steering control system.
Background technology
In present stage, the walking of handling roller and the maneuverability pattern that turns to all adopt travel handle and bearing circle to distinguish independent manipulation, its mode mostly is the mode of travel handle band oil pump flexible axle and direction dribbling hydraulic power steering gear, this mode actuating force is large, and needing both hands manipulation, labour intensity can not get alleviating.In order to improve handling comfort and compacting stationarity, some roller adopts the walking of automatically controlled ratio, realizes soft acceleration and deceleration, lighter, control driving system more accurately.But steering swivel system does not still have the progress of parenchyma type, on easy operation and cost, still there is no advantage.
In order to overcome the above problems, some enterprises adopt following two kinds of improvement both at home and abroad: the steering handwheel output that 1, coder or angular transducer are housed turns to electric signal to controller, export control signal control electromagnetic valve by controller again, and then the realization of oil circuit control break-make turns to; 2, utilize independent steering tiller output to turn to electric signal to controller, then realize and turning to by controller output control signal control electromagnetic valve and then oil circuit control break-make.Still there is certain defect in above two kinds of improved procedures: first, walking still needs two hands to complete with steering operation, operation more complicated, and operator's labour intensity is larger; In addition, above-mentioned mode needs extra deflector and steering handwheel or the steering tiller etc. installed, complicated structure, and cost is higher.
Utility model content
In view of this, the utility model proposes a kind of roller and walking thereof and steering control system, this walking and steering control system are simple in structure, and it is convenient to control, and only needs a manual manipulation, has greatly reduced operator's labour intensity.
On the one hand, the utility model provides a kind of walking and steering control system, and for roller, this walking and steering control system comprise bar handle, controller, walking electric proportional valve group, turn to electric proportional valve group and hydraulic actuator; The input end of described bar handle access controller, the mouth of described controller is connected to respectively walking electric proportional valve group and turns to electric proportional valve group, described walking electric proportional valve group with turn to electric proportional valve group to be connected with hydraulic actuator.
Further, described bar handle can be handled along orthogonal the first axle and the second axle both direction, the crawler body that manipulation in the direction of described the first axle is used for controlling hydraulic actuator is to realize advancing and retreating of roller, and the knuckle section that the manipulation in the direction of described the second axle is used for controlling hydraulic actuator is to realize turning to of roller.
Further, described walking and steering control system also comprise the self-locking maintaining body in the direction that is arranged on described the first axle, described self-locking maintaining body is arranged on the bottom of bar handle, has location maintenance effect for described bar handle when the first direction of principal axis arbitrary distance of run after loss of control power.
Further, described walking and steering control system also comprise mechanism in the auto back in the direction that is arranged on described the second axle, in described auto back, mechanism is arranged on the bottom of bar handle, for automatically getting back to meta after loss of control power at described bar handle during in the second direction of principal axis arbitrary distance of run.
Further, described bar handle is provided with the enable button being connected with controller, and described enable button has at least two states: under the first state, roller, except moving forward and backward, can also turn to; Under the second state, roller cannot carry out handling maneuver.
Further, described walking and steering control system also comprise the mistake wheel crab row switch valve group that accesses described controller output end, and described wrong wheel crab row switch valve group is connected with hydraulic actuator.
Further, be also provided with the crab row switch being connected with controller on described bar handle, enable button is under the first state, and when described crab row switch open, roller, except can advancing, retreat or turning to, can also carry out the action of mistake wheel crab and do; When described crab row switch is closed, roller cannot carry out the action of mistake wheel crab and do.
Further, described enable button is arranged on the back side of bar handle, and described crab row switch is arranged on the front of bar handle.
On the other hand, the utility model also provides a kind of roller, and above-mentioned any walking and steering control system are installed.
The walking that the utility model provides and steering control system, comprise bar handle, controller, walking electric proportional valve group, turn to electric proportional valve group and hydraulic actuator; The input end of bar handle access controller, the mouth of controller is connected to respectively walking electric proportional valve group and turns to electric proportional valve group, walking electric proportional valve group with turn to electric proportional valve group to be connected with hydraulic actuator; Compared with prior art, this walking and steering control system only need to be handled a bar handle to the operation of walking and turn to and complete, do not need to install deflector and bearing circle or steering handwheel, therefore simplify the structure and control, operator only needs a hand to operate, and has greatly reduced operator's labour intensity.
Brief description of the drawings
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.In the accompanying drawings:
Fig. 1 is walking and the control principle functional block diagram of steering control system in the utility model specific embodiment.
Detailed description of the invention
It should be noted that, in the situation that not conflicting, the feature in embodiment and 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.
As shown in Figure 1, the utility model specific embodiment provides a kind of walking and steering control system, for roller, this walking and steering control system comprise bar handle 1, controller 2, walking electric proportional valve group 3, turn to electric proportional valve group 4 and hydraulic actuator 6; The input end of bar handle 1 access controller 2, the mouth of controller 2 is connected to respectively walking electric proportional valve group 3 and turns to electric proportional valve group 4, and walking electric proportional valve group 3 is connected with walking actuating unit, turns to electric proportional valve group 4 to be connected with turning to actuating unit.Particularly, bar handle 1 can be handled along orthogonal the first axle and the second axle both direction, the crawler body that manipulation in the direction of the first axle is used for controlling hydraulic actuator 6 is to realize advancing and retreating of roller, and the knuckle section that the manipulation in the direction of the second axle is used for controlling hydraulic actuator 6 is to realize turning to of roller.
The specific operation process of this walking and steering control system is, manipulation handle 1 is to the direction motion of the first axle, travel proportional according to bar handle 1 on the first direction of principal axis, bar handle 1 is exported the proportional electric signal of the trip to controller 2, controller 2 is in conjunction with this electric signal and roller running state, as engine speed, the parameters such as current driving speed, calculate and export walking and control signal to walking electric proportional valve group 3, and then control walking actuating unit and move, the final roller of controlling is according to the proportional speed walking of the first axial stroke of bar handle 1, in the time that needs turn to, when any stroke at bar handle 1 on the first direction of principal axis, manipulation handle 1 is to the direction motion of the second axle, bar handle 1 is exported to the proportional electric signal of bar handle 1 the second axial stroke of living in to controller 2, controller 2 is in conjunction with this electric signal and roller running state, as engine speed, the calculation of parameter such as current steering angle are also exported steering controling signal to turning to electric proportional valve group 4, and then control turns to the action of actuating unit, the final roller of controlling turns to according to the proportional speed of the second axial stroke of bar handle 1.
In order to make bar handle 1 more stable in motion process, can also self-locking maintaining body be set in the lower end of bar handle 1, this self-locking maintaining body is along the direction setting of the first axle, self-locking maintaining body has location maintenance effect for bar handle 1 in the time of the first direction of principal axis arbitrary distance of run, that is: manipulation handle 1 moves along the first direction of principal axis, in the time that bar handle 1 arrives desired location, operator unclamps bar handle 1, bar handle 1 still, on this desired location, travels the speed of roller under this position correspondence; In the time that needs change the speed of travel or stop walking, then arrive target location or meta with certain actuating force startup bar handle 1.In addition, can also be in the lower end of bar handle 1 arranges auto back mechanism, in this auto back, the meta of the first axle, along the second direction of principal axis setting, is got back to automatically by mechanism for bar handle 1 when without External Force Acting, and roller steering swivel system is according to the predetermined speed auto back meta of controller 2.Particularly, self-locking maintaining body can be friction lining, and in auto back, mechanism can be spring.
For fear of roller in advancing or retreating, operator's maloperation and cause unnecessary the turning to of roller, on operating handle, be provided with enable button 12, this enable button 12 is electrically connected with controller 2, when any stroke at bar handle 1 on the first direction of principal axis, press and keep the enable button 12 on bar handle 1, now roller possesses the precondition turning to (enable button 12 is not pressed, roller can not turn to), then manipulation handle 1 moves to the second direction of principal axis, and now roller is realized and being turned to; When arbitrary distance of run at bar handle 1 in the first axle or the second axle, unclamp the enable button 12 on bar handle 1, roller steering swivel system is according to the predetermined speed auto back meta of controller 2.Particularly, this enable button 12 can be arranged on the back side of bar handle 1.
In addition, due to the work particularity of roller, some roller (as dual-steel wheel road roller) need to carry out the action of mistake wheel crab and do, therefore this walking and steering control system can also comprise the mistake wheel crab row switch valve group 5 of access controller 2 mouths, and wrong wheel crab row switch valve group 5 is connected with crab row actuating unit; The front of bar handle 1 is also provided with the crab row switch 11 being connected with controller 2, is pressing under the prerequisite of enable button 12, and crab row switch 11 cuts out, and roller can only advance, retreats or turn to; When crab row switch 11 is opened, roller advances, retreats or turn to except realizing, and can also carry out the action of mistake wheel crab and do.Specific operation process is: when any stroke at bar handle 1 on the first direction of principal axis, open the crab row switch on bar handle 1, press and keep the enable button 12 on bar handle 1, manipulation handle 1 is to the second direction of principal axis motion simultaneously, controller 2 obtains enable button 12 and crab row switch 11 and the proportional electric signal of the second direction of principal axis stroke that bar handle 1 is exported, the wheel of output mistake after treatment crab row control electric signal is to wrong wheel crab row switch valve group 5, and then control crab row actuating unit completes the mistake wheel crab row motion of roller according to the speed of setting.When arbitrary distance of run at bar handle 1 in the first axle or the second axle, unclamp the enable button 12 on bar handle 1 or close the crab row switch 11 on bar handle 1, the wrong wheel of roller crab row system is according to the predetermined speed auto back meta of controller 2.
The walking of the utility model specific embodiment and steering control system only by a bar handle 1 complete roller walking, turn to and mistake wheel crab line operate, a hand of having liberated operator, reduces labour intensity; Save bearing circle, deflector simultaneously and the operating console of deflector has been installed, also, without the oil pipe of deflector is introduced to operator's compartment, having effectively reduced cost, having made walking and steering control system become easier.
The utility model specific embodiment also provides a kind of roller that above-mentioned walking and steering control system are installed, and therefore also has above-mentioned beneficial effect, does not repeat them here.
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 of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. walking and a steering control system, for roller, is characterized in that, comprises bar handle (1), controller (2), walking electric proportional valve group (3), turns to electric proportional valve group (4) and hydraulic actuator (6); The input end of described bar handle (1) access controller (2), the mouth of described controller (2) is connected to respectively walking electric proportional valve group (3) and turn to electric proportional valve group (4), described walking electric proportional valve group (3) with turn to electric proportional valve group (4) to be connected with hydraulic actuator (6).
2. walking according to claim 1 and steering control system, it is characterized in that, described bar handle (1) can be handled along orthogonal the first axle and the second axle both direction, the crawler body that manipulation in the direction of described the first axle is used for controlling hydraulic actuator (6) is to realize advancing and retreating of roller, and the manipulation in the direction of described the second axle is used for controlling hydraulic actuator (6) knuckle section to realize turning to of roller.
3. walking according to claim 2 and steering control system, it is characterized in that, also comprise the self-locking maintaining body in the direction that is arranged on described the first axle, described self-locking maintaining body is arranged on the bottom of bar handle (1), has location maintenance effect for described bar handle (1) when the first direction of principal axis arbitrary distance of run after loss of control power.
4. walking according to claim 2 and steering control system, it is characterized in that, also comprise mechanism in the auto back in the direction that is arranged on described the second axle, in described auto back, mechanism is arranged on the bottom of bar handle (1), automatically gets back to meta for described bar handle (1) when the second direction of principal axis arbitrary distance of run after loss of control power.
5. according to walking and steering control system described in claim 1-4 any one, it is characterized in that, described bar handle (1) is provided with the enable button (12) being connected with controller (2), described enable button (12) has at least two states: under the first state, roller, except moving forward and backward, can also turn to; Under the second state, roller cannot carry out handling maneuver.
6. walking according to claim 5 and steering control system, is characterized in that, also comprises the mistake wheel crab row switch valve group (5) of access described controller (2) mouth, and described wrong wheel crab row switch valve group (5) is connected with hydraulic actuator (6).
7. walking according to claim 6 and steering control system, it is characterized in that, on described bar handle (1), be also provided with the crab row switch (11) being connected with controller (2), enable button (12) is under the first state, when described crab row switch (11) is opened, roller, except can advancing, retreat or turning to, can also carry out the action of mistake wheel crab and do; When described crab row switch (11) is closed, roller cannot carry out the action of mistake wheel crab and do.
8. walking according to claim 7 and steering control system, is characterized in that, described enable button (12) is arranged on the back side of bar handle (1), and described crab row switch (11) is arranged on the front of bar handle (1).
9. a roller, is characterized in that, walking and steering control system described in claim 1-8 any one are installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420085130.5U CN203819042U (en) | 2013-11-29 | 2014-02-27 | Road roller and walking and steering control system thereof |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310626270.9 | 2013-11-29 | ||
| CN201310626270 | 2013-11-29 | ||
| CN201420085130.5U CN203819042U (en) | 2013-11-29 | 2014-02-27 | Road roller and walking and steering control system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203819042U true CN203819042U (en) | 2014-09-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420085130.5U Expired - Fee Related CN203819042U (en) | 2013-11-29 | 2014-02-27 | Road roller and walking and steering control system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203819042U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735092A (en) * | 2016-04-06 | 2016-07-06 | 湖南三一路面机械有限公司 | Road roller |
| CN105803906A (en) * | 2016-04-06 | 2016-07-27 | 湖南三路面机械有限公司 | Road roller |
| CN106481605A (en) * | 2016-12-13 | 2017-03-08 | 三汽车制造有限公司 | A kind of road roller hydraulic system and road roller |
| CN106677013A (en) * | 2016-12-29 | 2017-05-17 | 徐州徐工筑路机械有限公司 | Large cold-recycling double-handle logic cooperation control device |
| CN110009891A (en) * | 2019-05-07 | 2019-07-12 | 杨康明 | A kind of external hydraulic proportional remote control system of engineering truck manipulation |
-
2014
- 2014-02-27 CN CN201420085130.5U patent/CN203819042U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735092A (en) * | 2016-04-06 | 2016-07-06 | 湖南三一路面机械有限公司 | Road roller |
| CN105803906A (en) * | 2016-04-06 | 2016-07-27 | 湖南三路面机械有限公司 | Road roller |
| CN105803906B (en) * | 2016-04-06 | 2019-05-14 | 湖南三一路面机械有限公司 | Road roller |
| CN106481605A (en) * | 2016-12-13 | 2017-03-08 | 三汽车制造有限公司 | A kind of road roller hydraulic system and road roller |
| CN106677013A (en) * | 2016-12-29 | 2017-05-17 | 徐州徐工筑路机械有限公司 | Large cold-recycling double-handle logic cooperation control device |
| CN110009891A (en) * | 2019-05-07 | 2019-07-12 | 杨康明 | A kind of external hydraulic proportional remote control system of engineering truck manipulation |
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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: 20140910 Termination date: 20170227 |
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| CF01 | Termination of patent right due to non-payment of annual fee |