CN208290979U - Hydraulic electric control system of power takeoff with clutch - Google Patents
Hydraulic electric control system of power takeoff with clutch Download PDFInfo
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- CN208290979U CN208290979U CN201820444368.0U CN201820444368U CN208290979U CN 208290979 U CN208290979 U CN 208290979U CN 201820444368 U CN201820444368 U CN 201820444368U CN 208290979 U CN208290979 U CN 208290979U
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Abstract
A hydraulic electric control system of a power takeoff with a clutch comprises a bypass valve, a booster, the clutch, the power takeoff, a power takeoff control valve, a power assisting control valve, a hydraulic source, a power takeoff switch, a power takeoff electromagnetic valve and an air storage cylinder, wherein the air storage cylinder is communicated with a clutch cylinder after sequentially passing through the power takeoff electromagnetic valve and the power takeoff control valve, a connecting shaft in the clutch cylinder is in driving connection with the power takeoff, the control end of the power takeoff electromagnetic valve is controlled to be powered by the power takeoff switch, the control end of the power takeoff control valve is controlled to be powered by the hydraulic source through the power assisting control valve, the booster and the bypass valve, and a multifunctional buzzer and an instrument indicator lamp are connected in parallel between the connection position of the power takeoff switch and the power takeoff electromagnetic valve and a grounding wire. The design not only can realize free gear shifting under the driving power take-off working condition, has better prompting effect, but also makes full use of hydraulic pressure and air pressure for control, and has high popularization and application value and stronger safety.
Description
Technical field
The utility model relates to a kind of control system of power takeoff, more particularly to a kind of power takeoff with clutch is hydraulic
Electric control system, it is particularly applicable to realize freely shifting gears under driving power taking operating condition.
Background technique
Existing transmission case of commercial vehicle main tank power takeoff from gearbox jackshaft power taking, power taking transfer route be engine,
One axis of clutch, transmission, transmission countershaft, power takeoff are exported by flange or spline.Driving power taking operating condition (such as sprinkle water
Vehicle, sweeper) under, when power takeoff works, load is acted on always on one axis of speed changer, can not be shifted gears at this time, driver can only weigh
Power takeoff-starting process shift gears-is opened in multiple parking-pass power takeoff-, be can not achieve the shift under driving power taking work, is
Guarantee working efficiency, the frequent high gear starting of driver, causes clutch high temperature wear, frequently burns the failures such as piece.
Authorization Notice No. is CN201423925Y, and authorized announcement date is that the utility model patent on March 17th, 2010 discloses
A kind of power takeoff device control system for Medium Truck comprising power takeoff, solenoid valve and pressure reducing valve, the plucking of power takeoff keep off into
Port is connected to the outlet of pressure reducing valve, and air inlet of putting into gear is connected to the outlet of solenoid valve, the import of pressure reducing valve and solenoid valve
Automobile air cylinder is connected to after inlet parallel；Power takeoff is among the right side of automotive transmission, input gear and speed changer
Axis four keeps off gear engagement.Although the utility model can by the on-off of solenoid valve control gas, thus control power takeoff open or
It closes, but it still can not achieve freely shifting gears under driving power taking operating condition, it is difficult to meet the need of existing commercial vehicle driving power taking
It asks.
The information for disclosing the background technology part is merely intended to increase the understanding to the general background of present patent application, without
It should be considered as recognizing or implying in any form that the information constitutes existing skill already known to those of ordinary skill in the art
Art.
Summary of the invention
It can not achieve freely changing under driving power taking operating condition the purpose of the utility model is to overcome existing in the prior art
The defect and problem of gear provide a kind of liquid that can be realized the power takeoff with clutch freely shifted gears under driving power taking operating condition
Voltage electrical control system.
In order to achieve the above object, the technical solution of the utility model is: a kind of power takeoff with clutch it is hydraulic
Electric control system, including power takeoff, power taking solenoid valve and air tank, the gas outlet of the air tank and power taking solenoid valve into
Port communicates；The hydra-electric control system further includes by-passing valve, power taking control valve, clutch, booster, Power assisted control valve
With hydraulic power source, the clutch cylinder in the clutch includes exocoel, inner cavity chamber and positioned at clutch piston between the two, should
The side of clutch piston is connected through brake spring with the right side wall of inner cavity chamber, the other side of clutch piston and one end of connecting shaft
It is connected, the other end of connecting shaft extends to except exocoel, and is drivingly connected with the input terminal of power takeoff；
The by-passing valve includes force controlled end and by-pass valve body, and bypass air cavity is offered in by-pass valve body, the bypass gas
Chamber is communicated with one end of upper tracheae, lower tracheae respectively, and the other end of upper tracheae is communicated with air tank, the other end of lower tracheae with take
The control terminal of force control valve communicates；The exocoel successively carries out gas circuit with air tank after power taking control valve, power taking solenoid valve
Connection, the control terminal of power taking solenoid valve after power taking switchs with connect power supply line and be connected, the junction of air tank, power taking solenoid valve
It is communicated after Power assisted control valve with the power-assisted cylinder in booster, the cylinder piston in power-assisted cylinder and sleeping U formula piston brace rod
One end be connected, the other end for the U formula piston brace rod that crouches and the setting of force controlled end or so face, and the power-assisted in booster
Oil cylinder, Power assisted control valve control terminal communicated with hydraulic power source.
The booster includes power-assisted oil cylinder and power-assisted cylinder, the power-assisted oil cylinder include active oil pocket, servo-actuated oil pocket and
Oil cylinder piston between the two, the power-assisted cylinder include active air cavity, servo-actuated air cavity and cylinder piston between the two, oil cylinder
The nearly one side of power-assisted cylinder is connected with one end of distance rod on piston, and successively drawing-in is servo-actuated oil pocket, master to the other end of distance rod
It takes offence and extends to the outside of power-assisted cylinder after chamber, cylinder piston, servo-actuated air cavity, be located on the position in active air cavity on distance rod
It is set with cylinder spring, one end of cylinder spring is connected with the left chamber wall of active air cavity, the other end and cylinder of cylinder spring
Nearly power-assisted oil cylinder is connected on one side on piston；The active air cavity is communicated with Power assisted control valve gas circuit；On the cylinder piston
The one side of nearly power-assisted oil cylinder is connected with one end of sleeping U formula piston brace rod, and the other end drawing-in for the U formula piston brace rod that crouches is actively
Air cavity and it is arranged after extending to the outside of active air cavity with force controlled end or so face, crouch the another of U formula piston brace rod
End, force controlled end spacing be less than stroke of the cylinder piston in power-assisted cylinder, crouch U formula piston brace rod, cylinder piston
Junction is located in active air cavity.
Oil cylinder exhaust outlet is provided at the top of the active oil pocket, the bottom of the Power assisted control valve is provided with booster valve row
Port.
The hydraulic power source includes fluid pressure line, master cylinder and clutch pedal, and the driving end of the master cylinder is located at clutch pedal
The output end of underface, master cylinder is communicated through fluid pressure line with the control terminal of power-assisted oil cylinder, Power assisted control valve.
The clutch is multi-disc friction type clutch.
Power taking switch through insurance with connect power supply line and be connected；The power taking switch, power taking solenoid valve control terminal it
Between junction, with one end of multi-functional buzzer, diode anode connect simultaneously, the other end of multi-functional buzzer with connect
Ground wire is connected, and the cathode of diode is connected through meter lamp with ground line, and concatenated diode, meter lamp are together
It is in be connected in parallel with multi-functional buzzer.
Compared with prior art, the utility model has the following beneficial effects:
1, it in a kind of hydra-electric control system of power takeoff with clutch of the utility model, has additional by-passing valve, help
Power device, clutch, power taking control valve, Power assisted control valve and hydraulic power source, air tank are acted through clutch cylinder control power takeoff, are taken
Whether the gas circuit that force control valve, power taking solenoid valve are used to control between air tank, clutch cylinder is connected, and hydraulic power source is through power-assisted
Whether the inner air path that device, by-passing valve are used to control power taking control valve is connected, in this way, only to need to control when driving a vehicle power taking
Power taking switch, hydraulic power source can suspend or restore power taking of driving a vehicle, and to realize freely shifting gears under power taking operating condition of driving a vehicle, avoid existing
The defect that parking could shift gears or specially high gear starts to walk must be carried out in technology.Therefore, the utility model can be realized driving and take
Freely shifting gears under power operating condition.
2, in a kind of hydra-electric control system of power takeoff with clutch of the utility model, by-passing valve includes stress control
End, by-pass valve body and bypass air cavity processed, bypass air cavity through the control with air tank, power taking control valve respectively of upper tracheae, lower tracheae
End communicates, in use, triggering by-passing valve by force controlled end with tracheae, lower tracheae in connection, after connection, can both make to bypass
Valve ventilate work, reach gearbox before auxiliary box cylinder so that before gearbox odd-side shift gears, and power taking control valve can be made to bring about the desired sensation with
Its inner air path is closed, power taking is stopped, to realize freely shifting gears under driving power taking operating condition.Therefore, the utility model is not only
It can be realized freely shifting gears under driving power taking operating condition, and use gas control technique, operation is simple.
3, in a kind of hydra-electric control system of power takeoff with clutch of the utility model, booster includes power-assisted oil
Cylinder and power-assisted cylinder, wherein the oil cylinder piston in power-assisted oil cylinder is driven by hydraulic oil, and the cylinder piston in power-assisted cylinder is by high pressure
Gas-powered, both can driving thrus bar movement, to trigger by-passing valve, convenient for shifting gears and stopping the progress of power taking, meanwhile,
After shift, the input of hydraulic oil, high pressure gas is lost, under the rebound effect of cylinder spring, oil cylinder piston, cylinder piston
The timely return of energy, is convenient for subsequent operation.Therefore, the utility model is not only conducive to the control of shift, power taking, but also makes full use of
Hydraulic, air pressure, application easy to spread.
4, in a kind of hydra-electric control system of power takeoff with clutch of the utility model, hydraulic power source includes hydraulic tube
Road, master cylinder and clutch pedal, in use, tipping into or out to control whether fluid pressure line exports liquid outward by clutch pedal
Pressure oil to control whether by-passing valve, power takeoff, booster act, and then realizes freely shifting gears under driving power taking operating condition.Cause
This, the utility model can operate simple and convenient by freely shifting gears under hydraulic control driving power taking operating condition.
5, in a kind of hydra-electric control system of power takeoff with clutch of the utility model, power taking switch, power taking electricity
The junction of magnet valve is connected, in use, working as normal power taking with ground line through multi-functional buzzer in parallel, meter lamp
When, multi-functional buzzer makes a sound, and meter lamp is lighted；When stopping power taking, shift, multi-functional buzzer does not issue sound
Sound, meter lamp do not work, so that the prompt in terms of providing sound, light to operator, avoids operation error.Therefore, originally
The prompt effect of utility model is preferable, and safety is higher.
6, in a kind of hydra-electric control system of power takeoff with clutch of the utility model, power taking switch, power taking electricity
The junction of magnet valve has additional one and the concatenated diode of meter lamp, only flows through unidirectional current in the diode, can keep away
Exempt to cause power takeoff to delay work after closure power taking switch.Therefore, the safety of the utility model is stronger.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of clutch cylinder in Fig. 1.
Fig. 3 is the structural schematic diagram of booster in Fig. 1.
Fig. 4 is the structural schematic diagram of by-passing valve in Fig. 1.
In figure: air tank 1, power taking solenoid valve 2, clutch cylinder 3, exocoel 31, inner cavity chamber 32, clutch piston 33, from
Close spring 34, connecting shaft 35, power taking control valve 4, booster 5, cylinder spring 50, power-assisted oil cylinder 51, power-assisted cylinder 52, actively oil
Chamber 53, servo-actuated oil pocket 54, oil cylinder piston 55, active air cavity 56, servo-actuated air cavity 57, cylinder piston 58, pushes away oil cylinder exhaust outlet 531
Power bar 59, Power assisted control valve 6, power-assisted valve outlet 61, hydraulic power source 7, clutch pedal 71, master cylinder 72, fluid pressure line 73, power taking are opened
Close 8, insurance 81, multi-functional buzzer 82, diode 83, meter lamp 84, by-passing valve 9, force controlled end 91, by-pass valve body
92, it bypasses air cavity 93, upper tracheae 94, lower tracheae 95, sleeping U formula piston brace rod 96, bypassed exhaust gas mouth 97, ground line 10, connect electricity
Source line 11.
Specific embodiment
The utility model is described in further detail below in conjunction with Detailed description of the invention and specific embodiment.
Referring to Fig. 1-Fig. 4, a kind of hydra-electric control system of power takeoff with clutch, including power takeoff, power taking electricity
Magnet valve 2 and air tank 1, the gas outlet of the air tank 1 is communicated with the air inlet of power taking solenoid valve 2；The hydra-electric control
System further includes by-passing valve 9, power taking control valve 4, clutch, booster 5, Power assisted control valve 6 and hydraulic power source 7, the clutch
Interior clutch cylinder 3 includes exocoel 31, inner cavity chamber 32 and positioned at clutch piston 33 between the two, the clutch piston 33
Side is connected through brake spring 34 with the right side wall of inner cavity chamber 32, the other side of clutch piston 33 and one end phase of connecting shaft 35
Connection, the other end of connecting shaft 35 extends to except exocoel 31, and is drivingly connected with the input terminal of power takeoff；
The by-passing valve 9 includes force controlled end 91 and by-pass valve body 92, and bypass air cavity 93 is offered in by-pass valve body 92,
The bypass air cavity 93 is communicated with one end of upper tracheae 94, lower tracheae 95 respectively, and the other end of upper tracheae 94 is communicated with air tank 1,
The other end of lower tracheae 95 is communicated with the control terminal of power taking control valve 4；The exocoel 31 is successively through power taking control valve 4, power taking
After solenoid valve 2 with air tank 1 carry out air circuit connection, the control terminal of power taking solenoid valve 2 after power taking switch 8 with connect 11 phase of power supply line
Connection, air tank 1, power taking solenoid valve 2 junction communicated after Power assisted control valve 6 with the power-assisted cylinder 52 in booster 5, help
Cylinder piston 58 in strength cylinder 52 is connected with one end of sleeping U formula piston brace rod 96, and crouch the another of U formula piston brace rod 96
End with 91 or so face of force controlled end be arranged, and the control terminal of the power-assisted oil cylinder 51, Power assisted control valve 6 in booster 5 with
Hydraulic power source 7 communicates.
The booster 5 includes power-assisted oil cylinder 51 and power-assisted cylinder 52, the power-assisted oil cylinder 51 include active oil pocket 53, with
Dynamic oil pocket 54 and oil cylinder piston 55 between the two, the power-assisted cylinder 52 includes active air cavity 56, servo-actuated air cavity 57 and the two
Between cylinder piston 58, the one side of nearly power-assisted cylinder 52 is connected with one end of distance rod 59 on oil cylinder piston 55, distance rod
59 other end successively extends to power-assisted cylinder after drawing-in is servo-actuated oil pocket 54, active air cavity 56, cylinder piston 58, servo-actuated air cavity 57
52 outside is set with cylinder spring 50, one end of cylinder spring 50 on the position being located in active air cavity 56 on distance rod 59
It is connected with the left chamber wall of active air cavity 56, the one side of nearly power-assisted oil cylinder 51 on the other end and cylinder piston 58 of cylinder spring 50
It is connected；The active air cavity 56 is communicated with 6 gas circuit of Power assisted control valve；The one side of nearly power-assisted oil cylinder 51 on the cylinder piston 58
It is connected with one end of sleeping U formula piston brace rod 96, the other end drawing-in active air cavity 56 of sleeping U formula piston brace rod 96 and prolongs
Extend to and be arranged behind the outside of active air cavity 56 with 91 or so face of force controlled end, the other end for the U formula piston brace rod 96 that crouches, by
The spacing of power control terminal 91 is less than stroke of the cylinder piston 58 in power-assisted cylinder 52, and crouch U formula piston brace rod 96, cylinder piston
58 junction is located in active air cavity 56.
The top of the active oil pocket 53 is provided with oil cylinder exhaust outlet 531, and the bottom setting of the Power assisted control valve 6 helps
Power valve outlet 61.
The hydraulic power source 7 includes fluid pressure line 73, master cylinder 72 and clutch pedal 71, the driving end of the master cylinder 72 be located at from
Close the underface of pedal 71, control terminal phase of the output end of master cylinder 72 through fluid pressure line 73 with power-assisted oil cylinder 51, Power assisted control valve 6
It is logical.
The clutch is multi-disc friction type clutch.
The power taking switch 8 is connected through insurance 81 with power supply line 11 is connect；The control of the power taking switch 8, power taking solenoid valve 2
Junction between end processed is connect, multi-functional buzzer 82 simultaneously with the anode of one end of multi-functional buzzer 82, diode 83
The other end 10 be connected with ground line, the cathode of diode 83 is connected through meter lamp 84 with being grounded 10, concatenated
Diode 83, meter lamp 84 are in together to be connected in parallel with multi-functional buzzer 82.
A kind of application method of the hydra-electric control system of above-mentioned power takeoff with clutch, the application method include
Following steps: when normal power taking, it is closed power taking switch 8, but hydraulic power source 7 is not open-minded, so that the control terminal of power taking solenoid valve 2 obtains
The control terminal stuffiness of electricity, power taking control valve 4, causes the inner air path of power taking solenoid valve 2, power taking control valve 4 to be both turned on, this
When, air tank 1 inputs high pressure gas into exocoel 31 after power taking solenoid valve 2, power taking control valve 4 successively to be drivingly connected axis
35, then drive power takeoff to carry out power taking by connecting shaft 35 and operate；When needing to shift gears, power taking switch 8 is disconnected, hydraulic power source 7 is opened
With to the control terminal of power-assisted oil cylinder 51, Power assisted control valve 6, input hydraulic pressure is oily simultaneously, wherein into the control terminal of Power assisted control valve 6
The hydraulic oil control conversion of Power assisted control valve 6 the inner air path of Power assisted control valve 6 is connected so that air tank 1 is through Power assisted control
Valve 6 inputs high pressure gas into power-assisted cylinder 52, which drives sleeping U formula piston brace rod 96 to side through cylinder piston 58
The operation of 9 direction of port valve until sleeping U formula piston brace rod 96 is contacted with force controlled end 91, and pushes to the right force controlled end 91
So that upper tracheae 94,95 connection of lower tracheae, the ventilation work of by-passing valve 9, reach auxiliary box cylinder before gearbox, so that secondary before gearbox
Case shift, meanwhile, air tank 1 is supplied through bypass air cavity 93 to the control terminal of power taking control valve 4, the power taking control valve 4 brought about the desired sensation
The inner air path that control terminal closes power taking control valve 4 leads to power takeoff to close the gas circuit between air tank 1, exocoel 31
It stops working；Shift and then closure power taking switch 8 close hydraulic power source 7, lose the control of the Power assisted control valve 6 of hydraulic oil driving
End processed no longer can control Power assisted control valve 6, and Power assisted control valve 6 is converted again, and the inner air path of Power assisted control valve 6 is closed, and make
The no longer air inlet of booster 5 is obtained, the control terminal no longer air inlet of by-passing valve 9, power taking control valve 4, the inside gas of power taking control valve 4 are caused
Road is connected again, and power taking operation restarts.
The booster 5 includes power-assisted oil cylinder 51 and power-assisted cylinder 52, the power-assisted oil cylinder 51 include active oil pocket 53, with
Dynamic oil pocket 54 and oil cylinder piston 55 between the two, the power-assisted cylinder 52 includes active air cavity 56, servo-actuated air cavity 57 and the two
Between cylinder piston 58, the one side of nearly power-assisted cylinder 52 is connected with one end of distance rod 59 on oil cylinder piston 55, distance rod
59 other end successively extends to power-assisted cylinder after drawing-in is servo-actuated oil pocket 54, active air cavity 56, cylinder piston 58, servo-actuated air cavity 57
52 outside is set with cylinder spring 50, one end of cylinder spring 50 on the position being located in active air cavity 56 on distance rod 59
It is connected with the left chamber wall of active air cavity 56, the one side of nearly power-assisted oil cylinder 51 on the other end and cylinder piston 58 of cylinder spring 50
It is connected；The active air cavity 56 is communicated with 6 gas circuit of Power assisted control valve；The one side of nearly power-assisted oil cylinder 51 on the cylinder piston 58
It is connected with one end of sleeping U formula piston brace rod 96, the other end drawing-in active air cavity 56 of sleeping U formula piston brace rod 96 and prolongs
Extend to and be arranged behind the outside of active air cavity 56 with 91 or so face of force controlled end, the other end for the U formula piston brace rod 96 that crouches, by
The spacing of power control terminal 91 is less than stroke of the cylinder piston 58 in power-assisted cylinder 52, and crouch U formula piston brace rod 96, cylinder piston
58 junction is located in active air cavity 56；
The high pressure gas drives sleeping U formula piston brace rod 96 to refer to the operation of 9 direction of by-passing valve through cylinder piston 58: into
The high pressure gas pusher cylinder piston 58 for becoming owner of chamber 56 of taking offence moves ahead, and forward cylinder piston 58 drives the sleeping U formula connected thereon
One end of piston brace rod 96 travels forward, to drive the another of the sleeping U formula piston brace rod 96 being located at outside active air cavity 56
It holds to 9 direction of by-passing valve and runs；During high pressure gas pusher cylinder piston 58 moves ahead, into the hydraulic of active oil pocket 53
Oil pushes distance rod 59 to move ahead through oil cylinder piston 55, forward distance rod 59 drive the cylinder piston 58 connected thereon together before
Row.
The hydraulic power source 7 includes fluid pressure line 73, master cylinder 72 and clutch pedal 71, the driving end of the master cylinder 72 be located at from
Close the underface of pedal 71, control terminal phase of the output end of master cylinder 72 through fluid pressure line 73 with power-assisted oil cylinder 51, Power assisted control valve 6
It is logical；The hydraulic power source 7 of opening refers to: clutch pedal 71 is stepped on to open the driving end of master cylinder 72, so that the output end of master cylinder 72
The output hydraulic pressure oil into fluid pressure line 73；The hydraulic power source 7 of closing refers to: unclamping clutch pedal 71 to close the driving of master cylinder 72
End, so that the output end of master cylinder 72 no longer output hydraulic pressure oil.
Junction between the power taking switch 8 and the control terminal of power taking solenoid valve 2, through multi-functional buzzer in parallel
82, meter lamp 84 is connected with ground line 10；When normal power taking, multi-functional buzzer 82, meter lamp 84 must be electric,
Multi-functional buzzer 82 makes a sound, and meter lamp 84 is lighted, to remind operator to be currently in power taking progress；When stopping
Only power taking, in shift, multi-functional buzzer 82,84 power loss of meter lamp, multi-functional buzzer 82 are not made a sound, instrument
Indicator light 84 does not work.
The principles of the present invention are described as follows:
The utility model is externally connected with multi-disc friction type clutch to directly control instrument as power takeoff in power takeoff,
Herein basis on, then in multi-disc friction type clutch clutch cylinder ventilate whether control, thus to power takeoff
It is controlled, and then realizes freely shifting gears under driving power taking operating condition, power takeoff disengages automatically with clutch when shift, power takeoff
Transmitting power is interrupted, can engage and work on automatically after the completion of shift, to realize freely shifting gears for driving power taking operating condition.Tool
To be whether clutch cylinder ventilates for body rely on power taking control valve, whether the inner air path of power taking solenoid valve is connected, power taking electricity
Magnet valve is controlled by it whether end obtains electric control, and power taking control valve, which is controlled by it, holds control of whether ventilating, power taking control valve control terminal
The upper tracheae relied on whether bringing about the desired sensation in by-passing valve, lower tracheae whether connection (other end of sleeping U formula piston brace rod pushes stress
Control terminal, so that the valve core movement of by-passing valve, so that upper tracheae, the conducting of lower tracheae in valve), i.e., dependent on booster,
Whether the gas circuit between Power assisted control valve, air tank is connected, this conducting relies on hydraulic power source again, and whether output hydraulic pressure is oily, meanwhile,
Hydraulic oil can also drive oil cylinder piston to act, and together with the high pressure gas internal with it is entered, not only drive booster dynamic with joint efforts
Make, and resultant force opens by-passing valve so that by-passing valve is ventilated, convenient for shift.In addition, when shift is completed, continues power taking, power taking
Surplus gas in the control terminal of control valve, by-passing valve is discharged through bypassed exhaust gas mouth, and the surplus gas in booster, Power assisted control valve then leads to
Power-assisted valve outlet is crossed to be discharged.
Embodiment 1:
Referring to Fig. 1-Fig. 4, a kind of hydra-electric control system of power takeoff with clutch, including by-passing valve 9, power taking
Control valve 4, clutch, booster 5, Power assisted control valve 6, power takeoff, power taking solenoid valve 2, air tank 1 and hydraulic power source 7, the storage
The gas outlet of inflator 1 is communicated with the air inlet of power taking solenoid valve 2, the clutch cylinder 3 in the clutch include exocoel 31,
Inner cavity chamber 32 and positioned at clutch piston 33 between the two, the side of the clutch piston 33 is through brake spring 34 and inner cavity chamber 32
Right side wall is connected, and the other side of clutch piston 33 is connected with one end of connecting shaft 35, and the other end of connecting shaft 35 extends to
Except exocoel 31, and it is drivingly connected with the input terminal of power takeoff；The by-passing valve 9 includes force controlled end 91 and bypass
Valve body 92, offers bypass air cavity 93 in by-pass valve body 92, the bypass air cavity 93 one end with upper tracheae 94, lower tracheae 95 respectively
It communicates, the other end of upper tracheae 94 is communicated with air tank 1, and the other end of lower tracheae 95 is communicated with the control terminal of power taking control valve 4；
The exocoel 31 successively carries out air circuit connection, power taking solenoid valve 2 with air tank 1 after power taking control valve 4, power taking solenoid valve 2
Control terminal after power taking switch 8 with connect power supply line 11 and be connected, air tank 1, power taking solenoid valve 2 junction through Power assisted control
It is communicated after valve 6 with the power-assisted cylinder 52 in booster 5, the cylinder piston 58 in power-assisted cylinder 52 and sleeping U formula piston brace rod 96
One end be connected, the other end and 91 or so face of force controlled end for the U formula piston brace rod 96 that crouches are arranged, and in booster 5
Power-assisted oil cylinder 51, Power assisted control valve 6 control terminal communicated with hydraulic power source 7.It is preferred that the clutch be multi-disc friction type from
Clutch.
Embodiment 2:
Basic content with embodiment 1, the difference is that:
The booster 5 includes power-assisted oil cylinder 51 and power-assisted cylinder 52, the power-assisted oil cylinder 51 include active oil pocket 53, with
Dynamic oil pocket 54 and oil cylinder piston 55 between the two, the power-assisted cylinder 52 includes active air cavity 56, servo-actuated air cavity 57 and the two
Between cylinder piston 58, the one side of nearly power-assisted cylinder 52 is connected with one end of distance rod 59 on oil cylinder piston 55, distance rod
59 other end successively extends to power-assisted cylinder after drawing-in is servo-actuated oil pocket 54, active air cavity 56, cylinder piston 58, servo-actuated air cavity 57
52 outside is set with cylinder spring 50, one end of cylinder spring 50 on the position being located in active air cavity 56 on distance rod 59
It is connected with the left chamber wall of active air cavity 56, the one side of nearly power-assisted oil cylinder 51 on the other end and cylinder piston 58 of cylinder spring 50
It is connected；The active air cavity 56 is communicated with 6 gas circuit of Power assisted control valve；The one side of nearly power-assisted oil cylinder 51 on the cylinder piston 58
It is connected with one end of sleeping U formula piston brace rod 96, the other end drawing-in active air cavity 56 of sleeping U formula piston brace rod 96 and prolongs
Extend to and be arranged behind the outside of active air cavity 56 with 91 or so face of force controlled end, the other end for the U formula piston brace rod 96 that crouches, by
The spacing of power control terminal 91 is less than stroke of the cylinder piston 58 in power-assisted cylinder 52, and crouch U formula piston brace rod 96, cylinder piston
58 junction is located in active air cavity 56.It is preferred that the top of active oil pocket 53 is provided with oil cylinder exhaust outlet 531, Power assisted control valve
6 bottom is provided with power-assisted valve outlet 61, and the top of by-passing valve 9 is provided with bypassed exhaust gas mouth 97.
Embodiment 3:
Basic content with embodiment 1, the difference is that:
The hydraulic power source 7 includes fluid pressure line 73, master cylinder 72 and clutch pedal 71, the driving end of the master cylinder 72 be located at from
Close the underface of pedal 71, control terminal phase of the output end of master cylinder 72 through fluid pressure line 73 with power-assisted oil cylinder 51, Power assisted control valve 6
It is logical.
Embodiment 4:
Basic content with embodiment 1, the difference is that:
Junction between the power taking switch 8 and the control terminal of power taking solenoid valve 2, through multi-functional buzzer in parallel
82, meter lamp 84 is connected with ground line 10.
Claims (6)
1. a kind of hydra-electric control system of power takeoff with clutch, including power takeoff, power taking solenoid valve (2) and air tank
(1), the gas outlet of the air tank (1) is communicated with the air inlet of power taking solenoid valve (2), it is characterised in that:
The hydra-electric control system further includes by-passing valve (9), power taking control valve (4), clutch, booster (5), power-assisted control
Valve (6) processed and hydraulic power source (7), the clutch cylinder (3) in the clutch include exocoel (31), inner cavity chamber (32) and are located at
Clutch piston (33) between the two, right side wall of the side of the clutch piston (33) through brake spring (34) Yu inner cavity chamber (32)
It is connected, the other side of clutch piston (33) is connected with one end of connecting shaft (35), and the other end of connecting shaft (35) extends to
Except exocoel (31), and it is drivingly connected with the input terminal of power takeoff；
The by-passing valve (9) includes force controlled end (91) and by-pass valve body (92), offers bypass gas in by-pass valve body (92)
Chamber (93), the bypass air cavity (93) are communicated with one end of upper tracheae (94), lower tracheae (95) respectively, the other end of upper tracheae (94)
It is communicated with air tank (1), the other end of lower tracheae (95) is communicated with the control terminal of power taking control valve (4)；The exocoel (31)
Successively air circuit connection, the control of power taking solenoid valve (2) are carried out with air tank (1) after power taking control valve (4), power taking solenoid valve (2)
End processed after power taking switchs (8) with connect power supply line (11) and be connected, air tank (1), power taking solenoid valve (2) junction through power-assisted
Control valve (6) is communicated with the power-assisted cylinder (52) in booster (5) afterwards, the cylinder piston (58) in power-assisted cylinder (52) and sleeping U
One end of formula piston brace rod (96) is connected, the other end for the U formula piston brace rod (96) that crouches and force controlled end (91) left and right
Face setting, and the control terminal of the power-assisted oil cylinder (51), Power assisted control valve (6) in booster (5) is communicated with hydraulic power source (7).
2. the hydra-electric control system of one kind according to claim 1 power takeoff with clutch, it is characterised in that: institute
Stating booster (5) includes power-assisted oil cylinder (51) and power-assisted cylinder (52), the power-assisted oil cylinder (51) include active oil pocket (53), with
Dynamic oil pocket (54) and oil cylinder piston (55) between the two, the power-assisted cylinder (52) includes active air cavity (56), servo-actuated air cavity
(57) and between the two cylinder piston (58), the one side and distance rod (59) of nearly power-assisted cylinder (52) on oil cylinder piston (55)
One end is connected, the other end of distance rod (59) successively drawing-in be servo-actuated oil pocket (54), active air cavity (56), cylinder piston (58),
The outside of power-assisted cylinder (52) is extended to after servo-actuated air cavity (57), is located on the position in active air cavity (56) on distance rod (59)
It is set with cylinder spring (50), one end of cylinder spring (50) is connected with the left chamber wall of active air cavity (56), cylinder spring
(50) the other end is connected on one side with nearly power-assisted oil cylinder (51) on cylinder piston (58)；The active air cavity (56) and power-assisted
Control valve (6) gas circuit communicates；The one side of nearly power-assisted oil cylinder (51) and sleeping U formula piston brace rod (96) on the cylinder piston (58)
One end be connected, the other end drawing-in active air cavity (56) of sleeping U formula piston brace rod (96) and extend to active air cavity (56)
Outside after be arranged with force controlled end (91) left and right face, crouch the other end of U formula piston brace rod (96), force controlled end
(91) spacing is less than the stroke of cylinder piston (58) in power-assisted cylinder (52), and crouch U formula piston brace rod (96), cylinder piston
(58) junction is located in active air cavity (56).
3. the hydra-electric control system of one kind according to claim 2 power takeoff with clutch, it is characterised in that: institute
It states and is provided at the top of active oil pocket (53) oil cylinder exhaust outlet (531), the bottom of the Power assisted control valve (6) is provided with booster valve
Exhaust outlet (61).
4. the hydra-electric control system of one kind according to claim 1,2 or 3 power takeoff with clutch, feature exist
In: the hydraulic power source (7) include fluid pressure line (73), master cylinder (72) and clutch pedal (71), the driving end of the master cylinder (72)
Positioned at the underface of clutch pedal (71), the output end of master cylinder (72) is through fluid pressure line (73) and power-assisted oil cylinder (51), power-assisted control
The control terminal of valve (6) processed communicates.
5. the hydra-electric control system of one kind according to claim 1,2 or 3 power takeoff with clutch, feature exist
In: the clutch is multi-disc friction type clutch.
6. the hydra-electric control system of one kind according to claim 1,2 or 3 power takeoff with clutch, feature exist
In: the power taking switch (8) is insured (81) and is connected with power supply line (11) is connect；The power taking switchs (8), power taking solenoid valve
(2) the junction between control terminal is connect simultaneously with the anode of one end of multi-functional buzzer (82), diode (83), more
The other end of function buzzer (82) is connected with ground line (10), the cathode of diode (83) through meter lamp (84) with connect
Ground wire (10) is connected, and concatenated diode (83), meter lamp (84) connect with multi-functional buzzer (82) in parallel together
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820444368.0U CN208290979U (en) | 2018-03-30 | 2018-03-30 | Hydraulic electric control system of power takeoff with clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820444368.0U CN208290979U (en) | 2018-03-30 | 2018-03-30 | Hydraulic electric control system of power takeoff with clutch |
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| Publication Number | Publication Date |
|---|---|
| CN208290979U true CN208290979U (en) | 2018-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820444368.0U Active CN208290979U (en) | 2018-03-30 | 2018-03-30 | Hydraulic electric control system of power takeoff with clutch |
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| Country | Link |
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| CN (1) | CN208290979U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108454399A (en) * | 2018-03-30 | 2018-08-28 | 东风商用车有限公司 | Hydraulic electric control system of power takeoff with clutch and application method thereof |
| CN110701212A (en) * | 2019-08-22 | 2020-01-17 | 武汉船用机械有限责任公司 | Hydraulic clutch control system |
-
2018
- 2018-03-30 CN CN201820444368.0U patent/CN208290979U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108454399A (en) * | 2018-03-30 | 2018-08-28 | 东风商用车有限公司 | Hydraulic electric control system of power takeoff with clutch and application method thereof |
| CN108454399B (en) * | 2018-03-30 | 2023-10-20 | 东风商用车有限公司 | Hydraulic and electric control system of power takeoff with clutch and application method thereof |
| CN110701212A (en) * | 2019-08-22 | 2020-01-17 | 武汉船用机械有限责任公司 | Hydraulic clutch control system |
| CN110701212B (en) * | 2019-08-22 | 2020-12-25 | 武汉船用机械有限责任公司 | Hydraulic clutch control system |
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