CN104890509B - A kind of electric-control system of road roller - Google Patents
A kind of electric-control system of road roller Download PDFInfo
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- CN104890509B CN104890509B CN201510208584.6A CN201510208584A CN104890509B CN 104890509 B CN104890509 B CN 104890509B CN 201510208584 A CN201510208584 A CN 201510208584A CN 104890509 B CN104890509 B CN 104890509B
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Abstract
The present invention discloses a kind of electric-control system of road roller, including gear selector (3), advancement sensor (4), retreat sensor (5), controller (6), gearbox (7), plunger pump solenoid valve, flexible axle (15) and Throttle Opening Control (16), gearbox is equipped with gear solenoid valve and direction solenoid valve, controller controls gearbox gear solenoid valve according to the feedback information of gear selector, realizes the gearshift of road roller traveling；Advancement sensor and retrogressing sensor are used to send the directional information of walking to controller, and controller controls the direction solenoid valve of gearbox according to the feedback information of sensor, realizes the commutation of road roller traveling；Gearshift and commutation function are separately controlled, and commutation and Throttle Opening Control are integrated on a control handle or shift gears and commutation function integrates, and it is " 1 " font or snake type to manipulate layout designs.The manipulation that the present invention can make the manipulation of road roller reach all-hydraulic product is horizontal, and operation is light.
Description
Technical field
The present invention relates to a kind of control system of road roller, the electric-control system of specifically a kind of road roller belongs to road roller
Technical field.
Background technology
Road roller has been widely used for high-grade highway, railway, machine as a kind of road furniture common in engineering machinery
The embankment compacting operation of the Larger Engineering Projects such as runway, dam, stadium, can roll sand, half viscosity and clayed soil,
Subgrade stability soil and asphalt concrete pavement layer.Existing road roller is equipped with greatly dynamic power shift gear box, such as single steel wheeled vibratory
Road roller and rubber-tyred roller are controlled by mechanical handle controller.As shown in Figure 1, handle control uses U-shaped cloth
It puts, ahead three gear or two gears, retreats three gears or two gears, gearshift and commutation function are integrated on a handle, Throttle Opening Control integrates
On another handle.Because of the process of road roller pressing positive activity, only frequently forward-reverse and compaction rate will aspire for stability,
Only using commutation function, nothing needs to change gear.But tradition must when carrying out converting forward-reverse direction with mechanical handle controller
Gear must be replaced, and the replacement of gear is the process of a U-shaped operation, thus it is complicated for operation, ergonomics are poor, easily lead to tired
Labor, operating comfort is bad, and reliability is not high.
Existing full hydraulic drive road roller, control mode is " 1 " font mode of operation, as shown in Fig. 2, handle is forward
It pushes away, is travelled for direction of advance, stroke is bigger, and travel speed is faster；Handle travels, stroke is bigger, row toward pusher for direction of retreat
It is faster to sail speed；It manipulates principle：By flexible axle with the swash plate rocking arm of plunger pump is driven to be connected, the push-and-pull of handle pushes away handle
The swash plate of plunger pump is drawn, so as to fulfill the change of road roller travel direction, push-and-pull swash plate can also change its angle of inclination so as to reality
The variation of existing speed, easy to operate, comfort is good.Therefore, the manipulation of mechanical drive road roller is reached into full hydraulic drive production
The manipulation of product is horizontal, is a kind of current trend so as to make operation light.
Invention content
In view of the above existing problems in the prior art, the present invention provides a kind of electric-control systems of road roller, can make road roller
Manipulation reach all-hydraulic product manipulation it is horizontal, operation is light.
To achieve these goals, the electric-control system of a kind of road roller that the present invention uses including gear selector, advances
Sensor, retrogressing sensor, controller, gearbox, plunger pump solenoid valve, flexible axle and Throttle Opening Control, the gearbox are equipped with
Gear solenoid valve and direction solenoid valve, the gear selector are used to send gear information to controller；Controller is according to gear
The feedback information of digit selector controls the gear solenoid valve of gearbox, realizes the gearshift of road roller traveling；The advance
Sensor and retrogressing sensor are used to send the directional information of walking to controller, and controller is according to advancement sensor and retrogressing
The feedback information of sensor controls the direction solenoid valve of gearbox, realizes the commutation of road roller traveling；The flexible axle with
The Throttle Opening Control of engine is connected, and the gearshift and commutation function are separately controlled, and commutation and Throttle Opening Control are integrated in one
On control handle or gearshift is integrated with commutation function, and it is " 1 " font or snake type to manipulate layout designs.
The gearshift and commutation function are separately controlled, and commutate to be integrated on a control handle with Throttle Opening Control and refer to
Joystick including being used to control commutation and throttle and the knob for control of shifting gears, the joystick and knob are arranged
On operation panel, knob is connected with gear selector, and the gear selector is by 0,1,2,3 four shift control；Before described
On the track run into sensor and retrogressing sensor arrangement in joystick, and send the directional information of walking to control
Device；Be integrated with vibroswitch, contact a and contact b on joystick, contact a, contact b respectively with plunger pump solenoid valve a, plunger
Pump solenoid valve b is connected, and flexible axle is connected with joystick, and the adjustment of engine speed is realized, and lead to by the control of joystick
The amplitude low-frequency or high-frequency functions by a narrow margin of complete machine are realized in the control for crossing vibroswitch.
Preferably, the Throttle Opening Control is mechanical, the rotating speed of engine is adjusted by pushing or pulling on joystick, when starting
After machine rotating speed reaches rated speed, vibroswitch is pressed, it is made to be connected with contact a or contact b, if vibroswitch connects with contact a
When logical, the plunger pump solenoid valve a that is connected with contact a obtains electric, the amplitude low-frequency function of complete machine is realized, if vibroswitch and contact b
It is connected, the plunger pump solenoid valve b being connected with contact b obtains electric, then realizes the high-frequency functions by a narrow margin of complete machine.
The gearshift and commutation function integrate, and manipulate layout designs and refer to include being used for for " 1 " font or snake type
Control commutation and the joystick shifted gears and the throttle control handle for controlling throttle, the joystick are arranged in control panel
On, and be connected with gear selector；The gear selector is by six shift controls of F1, F2, F3, R1, R2, R3, the advance
On the track that sensor and retrogressing sensor arrangement are run in joystick, and send the directional information of walking to controller；
Vibroswitch, contact a and contact b are integrated on joystick, contact a, contact b are electric with plunger pump solenoid valve a, plunger pump respectively
Magnet valve b is connected, and the amplitude low-frequency or high-frequency functions by a narrow margin of complete machine are realized by the control of vibroswitch；Throttle control handle passes through flexible axle
It is connected with the Throttle Opening Control of engine, for adjusting the rotating speed of engine.
Preferably, the throttle control handle is mechanical, and the rotating speed of engine is adjusted by pushing or pulling on throttle control handle；Road roller
During vibration service, the rotating speed of engine need to be adjusted to rated speed, after engine turn up to rated speed, vibration is pressed and open
It closes, it is made to be connected with contact a or contact b, if vibroswitch is connected with contact a, the plunger pump solenoid valve a that is connected with contact a
It is electric, realize the amplitude low-frequency function of complete machine, if vibroswitch is connected with contact b, the plunger pump solenoid valve b that is connected with contact b
Must be electric, then realize the high-frequency functions by a narrow margin of complete machine.
Compared with prior art, the present invention is according to automatically controlled manual transmission (dynamic power shift gear box, double clutches or isolated
The gearbox of conjunction) road roller applying working condition, it is contemplated that road roller pressing positive activity process is frequent forward-reverse and compacting
Rate request is stablized, and without replacing gear, only using commutation function, by technology upgrading, gearshift and commutation function are separated
Control, and commutation and Throttle Opening Control are integrated on a control handle and (divide mechanical and electric-controlled type) or will shift gears and reversing work
It can integrate, it is 1 font or snake type to manipulate layout designs, and when being compacted work, pressure is just can control by pushing and pulling handle
The forward-reverse of road machine, easy operation, operation ease and comfort reach the level of full hydraulic drive road roller product.Most
Eventually, the manipulation of mechanical drive road roller is made to reach the manipulation level of full hydraulic drive product, so as to make operation light.
Description of the drawings
Fig. 1 is the structure diagram of existing handle control mode；
Fig. 2 is the mode of operation figure of full hydraulic drive road roller；
Fig. 3 is the structure diagram of one embodiment of the present invention；
Fig. 4 is the schematic diagram of one embodiment of the present invention；
Fig. 5 is the schematic diagram of another embodiment of the present invention；
Fig. 6 is the structure diagram of joystick in another embodiment of the present invention.
In figure：1st, joystick, 2, knob, 3, gear selector, 4, advancement sensor, 5, retreat sensor, 6, control
Device, 7, gearbox, 8, gear solenoid valve, 9, direction solenoid valve, 10, contact a, 11, contact b, 12, vibroswitch, 13, plunger pump
Solenoid valve b, 14, plunger pump solenoid valve a, 15, flexible axle, 16, Throttle Opening Control, 17, throttle control handle.
Specific embodiment
The invention will be further described in the following with reference to the drawings and specific embodiments.
Embodiment one：
As shown in Figure 3 and Figure 4, a kind of electric-control system of road roller, gearshift and commutation function are separately controlled, and commutate
Be integrated on a control handle with Throttle Opening Control, including joystick 1, knob 2, gear selector 3, advancement sensor 4, after
Sensor 5, controller 6, gearbox 7, plunger pump solenoid valve, flexible axle 15 and Throttle Opening Control 16 are moved back, the gearbox 7 is equipped with gear
Position solenoid valve 8 and direction solenoid valve 9, the joystick 1 and knob 2 are arranged on operation panel, and knob 2 is selected with gear
Device 3 is connected, and the gear selector 3 sends gear information to controller 6 by 0,1,2,3 four shift control；Controller
6 control the gear solenoid valve 8 of gearbox 7 according to the feedback information of gear selector 3, realize changing for road roller traveling
Gear；It the advancement sensor 4 and retreats sensor 5 and is arranged on the track of the operation of joystick 1, and by the directional information of walking
Send controller 6 to, controller 6 is according to the feedback information of advancement sensor 4 and retrogressing sensor 5 to the direction electricity of gearbox 7
Magnet valve 9 is controlled, and realizes the commutation of road roller traveling；Vibroswitch 12, contact a10, contact are integrated on joystick 1
B11 and flexible axle 15, contact a10, contact b11 are connected respectively with plunger pump solenoid valve a14, plunger pump solenoid valve b13, flexible axle 15 with
The Throttle Opening Control 16 of engine is connected, and the adjustment of engine speed is realized, and pass through vibroswitch by the control of joystick 1
The amplitude low-frequency of 12 control realization complete machine or by a narrow margin high-frequency functions.
Preferably, the Throttle Opening Control 16 is mechanical, and the rotating speed of engine is adjusted by pushing or pulling on joystick 1, when
After engine speed reaches rated speed, vibroswitch 12 is pressed, it is made to be connected with contact a10 or contact b11, if vibroswitch
12 with contact a10 when connecting, and the plunger pump solenoid valve a14 being connected with contact a10 obtains electric, realizes the amplitude low-frequency function of complete machine,
If vibroswitch 12 is connected with contact b11, the plunger pump solenoid valve b13 that is connected with contact b11 obtains electric, then realizes complete machine by a narrow margin
High-frequency functions.
The course of work：
During road roller starting operation, first, the knob 2 on operator's control panel is located at 1 gear mark and controls
Gear information is just passed to controller 6 by 1 gear clutch, gear selector 3, and controller 6 is to the gear solenoid valve on gearbox 7
8 are controlled, and road roller is made to be in 1 gear, and then, forward (backward), joystick 1 passes through manipulation and control handle 1 operator again
Flexible axle 14 is connected with engine throttle control 16, can adjust engine speed, and advancement sensor 4 (retreating sensor 5) is arranged in
Receive signal in 1 running track of joystick and pass to controller 6, controller 6 (retreats sensor according to advancement sensor 4
5) the direction of travel information of feedback carries out the direction solenoid valve 9 of gearbox 7 control and realizes road roller travel initiation.
Road roller advances carries out gearshift operation when travelling (retrogressing traveling), by taking 1 gear changes to 2 gears as an example, operator's control surface
Knob 2 on plate makes knob 2 change corresponding gear and identifies and control 2 gear clutches, and 2 gears are switched to by corresponding 1 gear mark
Gear information is just passed to controller 6 by mark, gear selector 3, and controller 6 carries out the gear solenoid valve 8 on gearbox 7
Control makes road roller be in 2 gears and travels.
Road roller constant speed (gear is constant) carries out commutation operation when driving, and for advancing and change retrogressing into, operator manipulates
Joystick 1 is pulled back, and in the process, joystick 1 no longer triggers advancement sensor 4, and advancement sensor 4 is by joystick 1
Location information pass to controller 6, controller 6 is according to the feedback information of advancement sensor 4 to the direction solenoid valve of gearbox 7
9 are controlled, and the travel direction of road roller is made to be in middle position, and then, joystick 1, which will trigger, retreats sensor 5, retreats and passes
The location information of joystick 1 is passed to controller 6 by sensor 5, and controller 6 is according to the feedback information of retrogressing sensor 5 to becoming
The direction solenoid valve 9 of fast case 7 is controlled, and retreats the travel direction of road roller, completes commutation operation.
Road roller stops when driving, and first, joystick 1 is returned to middle position by operator, and joystick 1 just stops touching at this time
Advancement sensor 4 (retreating sensor 5) is sent out, advancement sensor 4 (retreating sensor 5) transmits the location information of joystick 1
To controller 6, controller 6 is according to the feedback information of advancement sensor 4 (retreating sensor 5) to the direction solenoid valve 9 of gearbox 7
It is controlled, the travel direction of road roller is made to be in middle position, then, knob 2 is in gear again and identified at 0 gear by operator, is made
Road roller stops traveling.
Road roller vibration service, after road roller traveling, pushing or pulling on joystick 1 makes engine speed reach rated speed
Afterwards, vibroswitch 12 is pressed, it is made to be connected with contact a10, contact a10 is connected with plunger pump solenoid valve a14, makes plunger pump electromagnetism
Valve a14 obtain it is electric, plunger pump solenoid valve a14 obtain it is electric after, plunger pump driving piston motor makes the amplitude low-frequency function of realization complete machine,
If vibroswitch 12 is connected with contact b11, obtain plunger pump solenoid valve b13 electric, plunger pump solenoid valve b13 obtain it is electric after, plunger pump
Piston motor is driven, then realizes the high-frequency functions by a narrow margin of complete machine.
Embodiment two：
As shown in Figure 5 and Figure 6, a kind of electric-control system of road roller, gearshift and commutation function, vibration start-stop function integrate
Together, including joystick 1, gear selector 3, advancement sensor 4, retrogressing sensor 5, controller 6, gearbox 7, plunger
Solenoid valve, flexible axle 15, Throttle Opening Control 16 and throttle control handle 17 are pumped, the gearbox 7 is equipped with gear solenoid valve 8 and direction electromagnetism
Valve 9, the joystick 1 is arranged on control panel, and is connected with gear selector 3；The gear selector 3 by F1, F2,
Six shift controls of F3, R1, R2, R3, and send gear information to controller 6；Controller 6 is anti-according to gear selector 3
Feedforward information controls the gear solenoid valve 8 of gearbox 7, realizes the gearshift of road roller traveling；The advancement sensor 4 is with after
Sensor 5 is moved back to be arranged on the track of the operation of joystick 1, and send the directional information of walking to controller 6；Controller 6
The direction solenoid valve 9 of gearbox 7 is controlled according to advancement sensor 4 and the feedback information for retreating sensor 5, realizes pressure road
The commutation of machine traveling；The manipulation layout designs of the joystick 1 are " 1 " font or snake type, and vibration is integrated on joystick 1
Switch 12, contact a10 and contact b11, contact a10, contact b11 respectively with plunger pump solenoid valve a14, plunger pump solenoid valve b13
It is connected, the amplitude low-frequency or high-frequency functions by a narrow margin of complete machine is realized by the control of vibroswitch 12；Throttle control handle 17 passes through flexible axle
15 are connected with the Throttle Opening Control 16 of engine, for adjusting the rotating speed of engine.
Preferably, the throttle control handle 17 is mechanical, and the rotating speed of engine is adjusted by pushing or pulling on throttle control handle 17；Pressure
During the machine vibration operation of road, the rotating speed of engine need to be adjusted to rated speed, after engine turn up to rated speed, press and shake
Dynamic switch 12, makes it be connected with contact a10 or contact b11, if vibroswitch 12 is connected with contact a10, is connected with contact a10
Plunger pump solenoid valve a14 obtain electric, the amplitude low-frequency function of complete machine is realized, if vibroswitch 12 is connected with contact b11, with contact
The plunger pump solenoid valve b13 that b11 is connected obtains electric, then realizes the high-frequency functions by a narrow margin of complete machine.
The course of work：
During road roller starting operation, first, operator pushes or pulls on throttle control handle 17 and adjusts the rotating speed of engine to specified turn
Speed pushes or pulls on joystick 1, is located at F1 (or R1) gear marks and controls 1 gear clutch, gear selector 3 just will gear
Position information pass to controller 6, controller 6 controls the gear solenoid valve 8 on gearbox 7, make road roller be in F1 (or
R1 it) keeps off, advancement sensor 4 (retreating sensor 5), which is arranged in, to be received signal in 1 running track of joystick and pass to controller
6, controller 6 is according to the direction of travel information that advancement sensor 4 (retreating sensor 5) is fed back to the direction solenoid valve 9 of gearbox 7
It carries out control and realizes road roller travel initiation.
Road roller advances carries out gearshift operation when travelling (retrogressing traveling), and by taking F1 gears change to F2 gears as an example, operator pushes away control
Handle 1 processed makes joystick 1 change corresponding gear mark, is switched to F2 gears mark by corresponding F1 gear marks and controls 2 gears
Gear information is just passed to controller 6 by clutch, gear selector 3, controller 6 to the gear solenoid valve 8 on gearbox 7 into
Row control makes road roller be in F2 gear travelings.
Road roller constant speed (gear is constant) carries out commutation operation when driving, and for advancing and change retrogressing into, operator manipulates
Joystick 1 is pulled back, and in the process, joystick 1 no longer triggers advancement sensor 4, and advancement sensor 4 is by joystick 1
Location information pass to controller 6, controller 6 is according to the feedback information of advancement sensor 4 to the direction solenoid valve of gearbox 7
9 are controlled, and after direction throw-out-of clutch, joystick 1 is made to cross middle position, joystick 1, which will trigger, retreats sensor 5,
It retreats sensor 5 and the location information of joystick 1 is passed into controller 6, controller 6 is according to the feedback letter for retreating sensor 5
Breath controls the direction solenoid valve 9 of gearbox 7, retreats the travel direction of road roller, completes commutation operation.
Road roller stops when driving, and first, joystick 1 is returned to middle position by operator, and joystick 1 just stops touching at this time
Advancement sensor 4 (retreating sensor 5) is sent out, advancement sensor 4 (retreating sensor 5) transmits the location information of joystick 1
To controller 6, controller 6 is according to the feedback information of advancement sensor 4 (retreating sensor 5) to the direction solenoid valve 9 of gearbox 7
It is controlled, makes direction throw-out-of clutch, then, throttle control handle 17 is in middle position by operator again, and road roller is made to stop traveling.
Road roller vibration service, after road roller traveling, pushing or pulling on throttle control handle 17 makes engine speed reach specified turn
After speed, vibroswitch 12 is pressed, it is made to be connected with contact a10, contact a10 is connected with plunger pump solenoid valve a14, makes plunger pump electric
Magnet valve a14 obtain it is electric, plunger pump solenoid valve a14 obtain it is electric after, plunger pump driving piston motor makes the amplitude low-frequency work(of realization complete machine
Can, if vibroswitch 12 is connected with contact b11, obtain plunger pump solenoid valve b13 electric, plunger pump solenoid valve b13 obtain it is electric after, plunger
Pump driving piston motor then realizes the high-frequency functions by a narrow margin of complete machine.
By above structure as it can be seen that the present invention is according to automatically controlled manual transmission (dynamic power shift gear box, double clutches or isolated
The gearbox of conjunction) road roller applying working condition, it is contemplated that road roller pressing positive activity process is frequent forward-reverse and compacting
Rate request is stablized, and without replacing gear, only using commutation function, by technology upgrading, gearshift and commutation function are separated
Control, and commutation and Throttle Opening Control are integrated on a control handle and (divide mechanical and electric-controlled type) or will shift gears and reversing work
It can integrate, it is 1 font or snake type to manipulate layout designs, and when being compacted work, pressure is just can control by pushing and pulling handle
The forward-reverse of road machine, easy operation, operation ease and comfort reach the level of full hydraulic drive road roller product.Most
Eventually, the manipulation of mechanical drive road roller is made to reach the manipulation level of full hydraulic drive product, so as to make operation light.In addition, it adopts
Replace mechanical Throttle Opening Control that can also realize above-mentioned technical proposal with E-Gas.
Claims (5)
1. a kind of electric-control system of road roller, which is characterized in that including gear selector (3), advancement sensor (4), retreat biography
Sensor (5), controller (6), gearbox (7), plunger pump solenoid valve, flexible axle (15) and Throttle Opening Control (16), the gearbox (7)
Gear solenoid valve (8) and direction solenoid valve (9) are equipped with, the gear selector (3) is for sending gear information to control
Device (6)；Controller (6) controls the gear solenoid valve (8) of gearbox (7) according to the feedback information of gear selector (3),
Realize the gearshift of road roller traveling；The advancement sensor (4) and retreat sensor (5) for by the directional information walk transmission
Controller (6) is given, controller (6) is according to advancement sensor (4) and retreats the feedback information of sensor (5) to gearbox (7)
Direction solenoid valve (9) is controlled, and realizes the commutation of road roller traveling；The flexible axle (15) and the Throttle Opening Control (16) of engine
It is connected, the gearshift and commutation function are separately controlled, and commutation and Throttle Opening Control are integrated on a control handle or shift gears
It is integrated with commutation function, it is " 1 " font or snake type to manipulate layout designs.
2. the electric-control system of a kind of road roller according to claim 1, which is characterized in that the gearshift and commutation function point
Control is opened, and commutates to be integrated in Throttle Opening Control and refers to include the control for controlling commutation and throttle on a control handle
Handle (1) and the knob (2) for control of shifting gears, the joystick (1) and knob (2) are arranged on operation panel, revolve
Button (2) is connected with gear selector (3), and the gear selector (3) is by 0,1,2,3 four shift control；The sensing of advancing
Device (4) and retrogressing sensor (5) are arranged on the track of joystick (1) operation, and send the directional information of walking to control
Device (6) processed；Vibroswitch (12), contact a (10) and contact b (11), contact a (10), contact b are integrated on joystick (1)
(11) it is connected respectively with plunger pump solenoid valve a (14), plunger pump solenoid valve b (13), flexible axle (15) is connected with joystick (1),
The adjustment of engine speed is realized by the control of joystick (1), and complete machine is realized in the control for passing through vibroswitch (12)
Amplitude low-frequency or by a narrow margin high-frequency functions.
3. the electric-control system of a kind of road roller according to claim 2, which is characterized in that the Throttle Opening Control (16) is machine
Tool formula adjusts the rotating speed of engine by pushing or pulling on joystick (1), after engine speed reaches rated speed, presses and shake
Dynamic switch (12), makes it be connected with contact a (10) or contact b (11), if vibroswitch (12) is connected with contact a (10), with
Plunger pump solenoid valve a (14) connected contact a (10) it is electric, realize the amplitude low-frequency function of complete machine, if vibroswitch (12) with
Contact b (11) is connected, and the plunger pump solenoid valve b (13) being connected with contact b (11) must be electric, then realizes the high frequency work(by a narrow margin of complete machine
Energy.
4. the electric-control system of a kind of road roller according to claim 1, which is characterized in that the gearshift and commutation function collection
Into together, manipulate layout designs refer to include for " 1 " font or snake type for control commutation and the joystick (1) shifted gears and
For controlling the throttle control handle of throttle (17), the joystick (1) is arranged on control panel, and with gear selector (3)
It is connected；The gear selector (3) is by six shift controls of F1, F2, F3, R1, R2, R3, the advancement sensor (4) and retrogressing
Sensor (5) is arranged on the track of joystick (1) operation, and sends the directional information of walking to controller (6)；Control
Be integrated with vibroswitch (12), contact a (10) and contact b (11) on handle (1), contact a (10), contact b (11) respectively with column
Plug pump solenoid valve a (14), plunger pump solenoid valve b (13) are connected, and realize that the high-amplitude of complete machine is low by the control of vibroswitch (12)
Frequency or by a narrow margin high-frequency functions；Throttle control handle (17) is connected by flexible axle (15) with the Throttle Opening Control (16) of engine, for adjusting
The rotating speed of engine.
5. the electric-control system of a kind of road roller according to claim 4, which is characterized in that the throttle control handle (17) is machine
Tool formula adjusts the rotating speed of engine by pushing or pulling on throttle control handle (17)；During road roller vibration service, turning for engine need to be adjusted
Speed after engine turn up to rated speed, presses vibroswitch (12), makes itself and contact a (10) or tactile to rated speed
Point b (11) is connected, if vibroswitch (12) is connected with contact a (10), the plunger pump solenoid valve a that is connected with contact a (10)
(14) must be electric, it realizes the amplitude low-frequency function of complete machine, if vibroswitch (12) is connected with contact b (11), is connected with contact b (11)
Plunger pump solenoid valve b (13) it is electric, then realize the high-frequency functions by a narrow margin of complete machine.
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| CN201510208584.6A CN104890509B (en) | 2015-04-28 | 2015-04-28 | A kind of electric-control system of road roller |
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| CN201510208584.6A CN104890509B (en) | 2015-04-28 | 2015-04-28 | A kind of electric-control system of road roller |
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| CN104890509B true CN104890509B (en) | 2018-06-15 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106049236A (en) * | 2016-07-20 | 2016-10-26 | 徐工集团工程机械股份有限公司道路机械分公司 | Manipulating device for road roller |
| CN106314146B (en) * | 2016-08-31 | 2019-03-12 | 泉州鑫豪工程机械科技有限公司 | Throttle and travelling control combine valve assembly |
| CN114575219B (en) * | 2022-03-18 | 2023-09-22 | 山东临工工程机械有限公司 | Energy-saving control system of vibratory roller and control method thereof |
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| CN204998342U (en) * | 2015-04-28 | 2016-01-27 | 徐工集团工程机械股份有限公司道路机械分公司 | Electrical system of road roller |
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| CN104890509A (en) | 2015-09-09 |
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