CN111631021A - Hydraulic-electric control system for picking medlar - Google Patents
Hydraulic-electric control system for picking medlar Download PDFInfo
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- CN111631021A CN111631021A CN202010393821.1A CN202010393821A CN111631021A CN 111631021 A CN111631021 A CN 111631021A CN 202010393821 A CN202010393821 A CN 202010393821A CN 111631021 A CN111631021 A CN 111631021A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D69/00—Driving mechanisms or parts thereof for harvesters or mowers
- A01D69/02—Driving mechanisms or parts thereof for harvesters or mowers electric
- A01D69/025—Electric hybrid systems
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D46/00—Picking of fruits, vegetables, hops, or the like; Devices for shaking trees or shrubs
- A01D46/26—Devices for shaking trees or shrubs; Fruit catching devices to be used therewith
- A01D46/264—Devices for beating or vibrating the foliage; Fruit catching devices to be used therewith
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Abstract
The hydraulic and electric control system for picking medlar comprises an oil tank, a pumping subsystem, a valve control subsystem and an executing mechanism, wherein the pumping subsystem comprises a first oil transfer pump, a second oil transfer pump, a third oil transfer pump, an oil filter and a first motor, the first oil transfer pump, the second oil transfer pump and the third oil transfer pump are connected in series and then are connected with the first motor, one end of the oil filter is connected with the oil tank through an oil transfer pipe, the other end of the oil filter is respectively connected with the first oil transfer pump, the second oil transfer pump and the third oil transfer pump through a tee oil transfer pipe, the valve control subsystem is assembled with conveying pipelines of the first oil transfer pump, the second oil transfer pump and the third oil transfer pump, the executing mechanism is connected with the valve control subsystem through the oil transfer pipe, the valve control subsystem comprises a first main control valve and a second main control valve, and the first main control valve and the second main. According to the invention, the first main control valve controls the traveling mechanism, the second main control valve controls the vibrating brush of the wolfberry picking machine, the vibrating brush vibrates during traveling, and simultaneous picking of wolfberries is realized.
Description
The technical field is as follows:
the invention relates to the technical field of Chinese wolfberry picking, in particular to an electro-hydraulic control system for Chinese wolfberry picking.
Background art:
the medlar is a common traditional Chinese medicine in daily life, because the medlar contains rich carotene, rich vitamins, calcium and iron, and the carotene has very good health care effect on eyes of people. It can excite the nerve of brain, excite respiration and promote gastrointestinal peristalsis. It can also reduce hypertension, hyperlipemia, hyperglycemia, etc., and can improve immunity of human body, prevent atherosclerosis, protect liver, resist fatty liver, promote liver cell regeneration, etc. The medlar is red ripe in 6-11 months, the medlar is collected in batches, fresh fruits are quickly spread on the sugarcane with the thickness not more than 3 cm, generally 1.5 cm, are placed in a shade place to be dried until the skin is wrinkled, then are exposed to the sun until the peel is hard, and the fruit stalks are removed when the pulp is soft, and then are dried in the sun. Every season of matrimony vine results, the matrimony vine picking machine that has many styles replaces the manpower to go to pick, and current picking machine adopts the formula of shaking to shake the brush and picks the device, and the vibration mode that shakes the brush adopts hydraulic motor to drive, and two hydraulic motor drive two brush that shake, carry out upper and lower and rotatory vibration, and simultaneously, the picking machine whole need move forward to avoid only picking in situ, and operating personnel not only need control the walking speed of picking machine, still need control the hydraulic motor that shakes on the brush and carry out simultaneous operation, and the operation is more loaded down with trivial details.
The invention content is as follows:
in view of the above, there is a need for an electro-hydraulic control system for picking wolfberry.
The hydraulic and electric control system for picking medlar comprises an oil tank, a pumping subsystem, a valve control subsystem and an executing mechanism, wherein the pumping subsystem comprises a first oil transfer pump, a second oil transfer pump, a third oil transfer pump, an oil filter and a first motor, the first oil transfer pump, the second oil transfer pump and the third oil transfer pump are connected in series and then are connected with the first motor, one end of the oil filter is connected with the oil tank through an oil transfer pipe, the other end of the oil filter is respectively connected with the first oil transfer pump, the second oil transfer pump and the third oil transfer pump through a tee oil transfer pipe, the valve control subsystem is assembled with conveying pipelines of the first oil transfer pump, the second oil transfer pump and the third oil transfer pump, the executing mechanism is connected with the valve control subsystem through the oil transfer pipe, the valve control subsystem comprises a first main control valve and a second main control valve, and the first main control valve and the second main.
Preferably, the executing mechanism comprises a front travelling wheel hydraulic motor, a left travelling wheel hydraulic motor, a right travelling wheel hydraulic motor, a left vibrating brush hydraulic motor and a right vibrating brush hydraulic motor, the front travelling wheel hydraulic motor is assembled at the axle end of a front travelling wheel of the medlar picking machine, the left travelling wheel hydraulic motor is assembled at the axle end of the left travelling wheel of the medlar picking machine, the right travelling wheel hydraulic motor is assembled at the axle end of the right travelling wheel of the medlar picking machine, and the left vibrating brush hydraulic motor and the right vibrating brush hydraulic motor are respectively assembled at the upper end of a left vibrating brush roll shaft and the upper end of a right vibrating brush roll shaft of the medlar picking machine; the front traveling wheel hydraulic motor, the left traveling wheel hydraulic motor, the right traveling wheel hydraulic motor, the left vibrating brush hydraulic motor and the right vibrating brush hydraulic motor are connected with the valve control subsystem through oil pipelines.
Preferably, the valve control subsystem comprises a first main control valve, a second main control valve, a pedal pressure reducing valve and a pedal reversing valve, the pedal reversing valve and the pedal pressure reducing valve are connected through an oil conveying pipe, the pedal reversing valve is connected with the first main control valve through the oil conveying pipe, the first main control valve is connected with the front travelling wheel hydraulic motor, the left travelling wheel hydraulic motor and the right travelling wheel hydraulic motor through the oil conveying pipe, the LS valve end of the first main control valve is connected with the LS valve, the LS valve senses the stroke size state of a control lever of a driver, and the first main control valve correspondingly signals to adjust the oil pressure and the flow of the first oil conveying pump and the second oil conveying pump; and the second main control valve is connected with the left vibrating brush hydraulic motor and the right vibrating brush hydraulic motor through an oil conveying pipe.
Preferably, the executing mechanism further comprises an upper fan motor, a lower fan motor and a conveying transmission motor, the upper fan motor is assembled at the upper end of the wind conveying system of the wolfberry picking machine and used for being connected with the upper fan, the lower fan motor is assembled at the lower end of the wind conveying system of the wolfberry picking machine and used for being connected with the lower fan of the wind conveying system, the conveying transmission motor is assembled at a driving pulley of a transmission belt of the wolfberry picking machine, and the second main control valve is respectively connected with the upper fan motor, the lower fan motor and the conveying transmission motor through oil conveying pipes.
Preferably, the first main control valve comprises a servo valve, a first overflow valve, a second overflow valve, a third overflow valve, a first oil filter, a one-way flow divider valve, a two-position two-way solenoid valve and a two-position three-way solenoid valve, two valve ends of the servo valve are connected with the pedal reversing valve, an output end of the servo valve is respectively connected with a front traveling wheel hydraulic motor, a left traveling wheel hydraulic motor and a right traveling wheel hydraulic motor, a loop end of the servo valve is respectively connected with an oil loop end of the front traveling wheel hydraulic motor, the left traveling wheel hydraulic motor and the right traveling wheel hydraulic motor, the first overflow valve is connected with the first oil filter, the second overflow valve and the two-position two-way solenoid valve, the two-position two-way solenoid valve is long-break, the first oil filter is connected with the first oil transfer pump and the second oil transfer pump, one end of the one-way flow divider valve is connected with the first oil filter, the other end, the third overflow valve is connected with the servo valve, the first overflow valve is connected with the first oil filter and the power motor, the magnetic control valves are respectively connected on the front travelling wheel hydraulic motor, the left travelling wheel hydraulic motor and the right travelling wheel hydraulic motor, and each magnetic control valve is connected, and the two-position three-way electromagnetic valve is connected with the first overflow valve and is connected with the magnetic control valve.
Preferably, the second main control valve includes a first manual control valve connected to the upper fan motor and the lower fan motor, a second manual control valve connected to the left squeegee hydraulic motor and the right squeegee hydraulic motor, and a third manual control valve connected to the feed transmission motor.
Preferably, the executing mechanism further comprises a first lifting oil cylinder and a second lifting oil cylinder, the valve control subsystem further comprises a first electromagnetic directional valve, a second electromagnetic directional valve and a pressure reducing electromagnetic valve, the first electromagnetic directional valve is connected with the first lifting oil cylinder, the second electromagnetic directional valve is connected with the second lifting oil cylinder, the first electromagnetic directional valve is connected with the second electromagnetic directional valve and connected with the pressure reducing electromagnetic valve after being connected, the pressure reducing electromagnetic valve is connected with a third oil transfer pump, and the first lifting oil cylinder and the second lifting oil cylinder are assembled on a machine frame of the wolfberry picking machine and used for controlling the lifting of the machine frame.
Preferably, the pumping subsystem further comprises a reversing valve and an overflow valve, and the first oil delivery pump and the second oil delivery pump are connected with the reversing valve and the overflow valve.
Preferably, the second main control valve further comprises a fourth overflow valve, a second oil filter, a fifth overflow valve, a first main control electromagnetic valve and a diverter valve, the first main control electromagnetic valve is long-open, the second oil filter is connected with the first oil transfer pump and the second oil transfer pump, one end of the diverter valve is connected with the second oil filter, the other end of the diverter valve is connected with the first main control electromagnetic valve, the fourth overflow valve and the second oil filter are connected with the power motor, the second oil filter is connected with the fifth overflow valve and the first main control electromagnetic valve, the first main control electromagnetic valve is connected with the diverter valve, the diverter valve is connected with the first oil transfer pump and the second oil transfer pump, and the diverter valve is respectively connected with the first manual control valve, the second manual control valve and the third manual control valve.
According to the hydraulic-electric control system for picking the medlar, the first main control valve and the second main control valve respectively control the executing mechanism, the first main control valve controls the walking mechanism, and the second main control valve controls the vibrating brush of the medlar picking machine, so that the medlar picking machine controls the vibrating brush to vibrate while walking, and the medlar is picked simultaneously.
Description of the drawings:
in order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of a connection structure of an electro-hydraulic control system for picking medlar.
In the figure: an oil tank 1, a first oil delivery pump 2, a second oil delivery pump 3, a third oil delivery pump 4, an oil filter 5, a first motor 6, a front traveling wheel hydraulic motor 7, a left traveling wheel hydraulic motor 8, a right traveling wheel hydraulic motor 9, a left scrubbing hydraulic motor 10, a right scrubbing hydraulic motor 11, a first main control valve 12, a servo valve 120, a first overflow valve 121, a second overflow valve 122, a third overflow valve 123, a first oil filter 124, a one-way flow dividing valve 125, a two-position two-way solenoid valve 126, a two-position three-way solenoid valve 127, a second main control valve 13, a first manual control valve 130, a second manual control valve 131, a third manual control valve 132, a fourth overflow valve 133, a second oil filter 134, a fifth overflow valve 135, a first main control solenoid valve 136, a flow dividing valve 137, a pedal pressure reducing valve 14, a pedal direction changing valve 15, an upper fan motor 16, a lower fan motor 17, a conveyance transmission motor 18, a magnetic control valve, The device comprises a first lifting oil cylinder 19, a second lifting oil cylinder 20, a first electromagnetic directional valve 21, a second electromagnetic directional valve 22, a pressure reducing electromagnetic valve 23, a directional valve 24 and an overflow valve 25.
The specific implementation mode is as follows:
in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The present invention provides the following specific examples.
Referring to fig. 1, the hydraulic-electric control system for picking medlar comprises an oil tank 1, a pumping subsystem, a valve control subsystem and an actuating mechanism, wherein the pumping subsystem comprises a first oil transfer pump 2, a second oil transfer pump 3 and a third oil transfer pump 4, the oil filter comprises an oil filter 5 and a first motor 6, wherein a first oil delivery pump 2, a second oil delivery pump 3 and a third oil delivery pump 4 are connected in series and then connected with the first motor 6, one end of the oil filter 5 is connected with an oil tank 1 through an oil delivery pipe, the other end of the oil filter 5 is respectively connected with the first oil delivery pump 2, the second oil delivery pump 3 and the third oil delivery pump 4 through a tee oil delivery pipe, a valve control subsystem is assembled with the delivery pipelines of the first oil delivery pump 2, the second oil delivery pump 3 and the third oil delivery pump 4, an execution mechanism is connected with the valve control subsystem through the oil delivery pipe, the valve control subsystem comprises a first main control valve 12 and a second main control valve 13, and the first main control valve 12 and the second main control valve 13 are respectively.
The executing mechanism comprises a front travelling wheel hydraulic motor 7, a left travelling wheel hydraulic motor 8, a right travelling wheel hydraulic motor 9, a left vibrating brush hydraulic motor 10 and a right vibrating brush hydraulic motor 11, wherein the front travelling wheel hydraulic motor 7 is assembled at the wheel axle end of a front travelling wheel of the medlar picking machine, the left travelling wheel hydraulic motor 8 is assembled at the axle end of a left travelling wheel of the medlar picking machine, the right travelling wheel hydraulic motor 9 is assembled at the axle end of a right travelling wheel of the medlar picking machine, and the left vibrating brush hydraulic motor 10 and the right vibrating brush hydraulic motor 11 are respectively assembled at the upper end of a left vibrating brush roll shaft and the upper end of a right vibrating brush roll shaft of the medlar picking machine; the front traveling wheel hydraulic motor 7, the left traveling wheel hydraulic motor 8, the right traveling wheel hydraulic motor 9, the left vibrating brush hydraulic motor 10 and the right vibrating brush hydraulic motor 11 are connected with the valve control subsystem through oil pipelines.
The valve control subsystem comprises a first main control valve 12, a second main control valve 13, a pedal pressure reducing valve 14 and a pedal reversing valve 15, the pedal reversing valve 15 and the pedal pressure reducing valve 14 are connected through an oil conveying pipe, the pedal reversing valve 15 is connected with the first main control valve 12 through an oil conveying pipe, the first main control valve 12 is connected with the front travelling wheel hydraulic motor 7, the left travelling wheel hydraulic motor 8 and the right travelling wheel hydraulic motor 9 through an oil conveying pipe, the LS valve end of the first main control valve 12 is connected with the LS valve, the LS valve senses the stroke size state of a control lever of a driver, and the oil pressure and the flow of the first oil conveying pump 2 and the second oil conveying pump 3 are adjusted by corresponding signals for the first main control valve 12; the second main control valve 3 is connected with a left vibrating brush hydraulic motor 10 and a right vibrating brush hydraulic motor 11 through oil pipelines. The LS valve is mainly used for sensing the stroke size state of the control lever of a driver and giving corresponding signals to the power motor so as to adjust the proper flow. The LS valve is directly installed on a main pump of the power motor in a plug-in mode. The LS valve is directly connected to the first main control valve 12 by two inlet lines, which are the pressure-powered lines of the PLS and which are very important and reflect the movement of the control lever. Movement of the lever changes the movement of the spool within the first main control valve 12. Movement of the first main control valve 12 generates PLS pressure representing the amount of movement of the spool. The PLS pressure is fed back to the LS valve of the main pump, through which the operator varies the displacement of the main pump by how much the lever is moved.
The actuating mechanism further comprises an upper fan motor 16, a lower fan motor 17 and a conveying transmission motor 18, wherein the upper fan motor 16 is assembled at the upper end of the wind conveying system of the wolfberry picking machine and used for being connected with an upper fan, the lower fan motor 17 is assembled at the lower end of the wind conveying system of the wolfberry picking machine and used for being connected with a lower fan of the wind conveying system, the conveying transmission motor 18 is assembled at a driving pulley of a conveying belt of the wolfberry picking machine, and the second main control valve 13 is respectively connected with the upper fan motor 16, the lower fan motor 17 and the conveying transmission motor 18 through oil conveying pipes.
The first main control valve 12 includes a servo valve 120, a first overflow valve 121, a second overflow valve 122, a third overflow valve 123, a first oil filter 124, a one-way flow dividing valve 125, a two-position two-way solenoid valve 126, and a two-position three-way solenoid valve 127, both valve ends of the servo valve 120 are connected to the pedal reversing valve 15, an output end of the servo valve 120 is connected to the front traveling wheel hydraulic motor 7, the left traveling wheel hydraulic motor 8, and the right traveling wheel hydraulic motor 9, respectively, a return end of the servo valve 120 is connected to oil return ends of the front traveling wheel hydraulic motor 7, the left traveling wheel hydraulic motor 8, and the right traveling wheel hydraulic motor 9, respectively, the first overflow valve 121 is connected to the first oil filter 124, the second overflow valve 122, and the two-position two-way solenoid valve 126, the two-position two-way solenoid valve 126 is long-break, the first oil filter 124 is connected to the first oil transfer pump 2 and the second oil transfer pump 3, one end of the one-way flow, the other end of the one-way flow divider valve 125 is connected with a two-position two-way electromagnetic valve 126, a third overflow valve 123 is connected with the servo valve 120, a first overflow valve 121 is connected with a first oil filter 124 and a power motor, magnetic control valves a are respectively connected on the front travelling wheel hydraulic motor 7, the left travelling wheel hydraulic motor 8 and the right travelling wheel hydraulic motor 9, and each magnetic control valve a is connected, and a two-position three-way electromagnetic valve 127 is connected with the first overflow valve 121 and is connected with the magnetic control valve a.
The second main control valve 13 includes a first manual control valve 130, a second manual control valve 131, and a third manual control valve 132, the first manual control valve 130 is connected to the upper fan motor 16 and the lower fan motor 17, the second manual control valve 131 is connected to the left squeegee hydraulic motor 10 and the right squeegee hydraulic motor 11, and the third manual control valve 132 is connected to the feed transmission motor 18.
The execution mechanism further comprises a first lifting oil cylinder 19 and a second lifting oil cylinder 20, the valve control subsystem further comprises a first electromagnetic directional valve 21, a second electromagnetic directional valve 22 and a pressure reducing electromagnetic valve 23, the first electromagnetic directional valve 21 is connected with the first lifting oil cylinder 19, the second electromagnetic directional valve 22 is connected with the second lifting oil cylinder 20, the first electromagnetic directional valve 21 is connected with the second electromagnetic directional valve 22 and is connected with the pressure reducing electromagnetic valve 23 after being connected, the pressure reducing electromagnetic valve 23 is connected with the third oil transfer pump 4, and the first lifting oil cylinder 19 and the second lifting oil cylinder 20 are assembled on a machine frame of the wolfberry picking machine and used for controlling the lifting of the machine frame.
The pumping subsystem further comprises a reversing valve 24 and an overflow valve 25, and the first oil delivery pump 2 and the second oil delivery pump 3 are connected with the reversing valve 24 and the overflow valve 25.
The second main control valve 13 further includes a fourth overflow valve 133, a second oil filter 134, a fifth overflow valve 135, a first main control solenoid valve 136, and a diverting valve 137, the first main control solenoid valve 136 is long-open, the second oil filter 134 is connected to the first oil transfer pump 2 and the second oil transfer pump 3, one end of the diverting valve 137 is connected to the second oil filter 134, the other end of the diverting valve 137 is connected to the first main control solenoid valve 136, the fourth overflow valve 134 and the second oil filter 134 are connected to the power motor, the second oil filter is connected to the fifth overflow valve 135 and the first main control solenoid valve 136, the first main control solenoid valve 136 is connected to the diverting valve 137, the diverting valve 137 is connected to the first oil transfer pump 2 and the second oil transfer pump 3, and the diverting valve is connected to the first manual control valve 130, the second manual control valve 131, and the third manual control valve 132, respectively.
The second main control valve of the invention is an oil path composed of a multi-path control valve diverter valve 137, the outlet end of which is connected with the first oil delivery pump 2 and the second oil delivery pump 3, the inlet end of which is respectively connected with the first manual control valve 130, the second manual control valve 131 and the third manual control valve 132, the oil path composed of the first oil delivery pump 2, the diverter valve 137, the fourth overflow valve 133, the second oil filter 134, the fifth overflow valve 135 and the first main control electromagnetic valve 130 pumps oil to the upper fan motor 16 and the lower fan motor 17, the oil path composed of the second oil delivery pump 3, the diverter valve 137, the fourth overflow valve 133, the second oil filter 134, the fifth overflow valve 135 and the second main control electromagnetic valve 131 pumps oil to the left vibrating brush hydraulic motor 10 and the right vibrating brush hydraulic motor, the oil path composed of the first oil delivery pump 2, the second oil delivery pump 3, the diverter valve 137, the fourth overflow valve 133, the second oil filter 134, the fifth overflow valve 135 and the third main control, oil is pumped to the transfer drive motor 18.
The LS end of the first main control valve is connected with a diesel power motor of the wolfberry picking machine. An operator can control the rotating speed and the opening of the front travelling wheel hydraulic motor 7, the left travelling wheel hydraulic motor 8 and the right travelling wheel hydraulic motor 9 by controlling the operating rod, the control of travelling wheels of the medlar picking machine is realized, the second main control valve respectively controls the rotation of the left vibrating brush hydraulic motor 10, the right vibrating brush hydraulic motor 11, the upper fan motor 16, the lower fan motor 17 and the conveying transmission motor 18 of the executing mechanism, so that the vibration control of a picking vibrating brush, the control of an air-conveying fan and the control of a driving wheel of a transmission belt for conveying medlar are realized, and the air-conveying fan is assembled on a rack of the medlar picking machine and used for blowing and sucking medlar leaves through wind power and recovering. A transmission belt for transmitting the matrimony vine is assembled on the frame of the matrimony vine picking machine and is used for transmitting the matrimony vine under the vibration of the vibrating brush, and a transmission motor is assembled at the end of a driving wheel shaft of the transmission belt.
According to the hydraulic-electric control system for picking the medlar, the first main control valve and the second main control valve respectively control the executing mechanism, the first main control valve controls the walking mechanism, and the second main control valve controls the vibrating brush of the medlar picking machine, so that the medlar picking machine controls the vibrating brush to vibrate while walking, and the medlar is picked simultaneously.
Claims (9)
1. The utility model provides a matrimony vine is picked and is used liquid electric control system which characterized in that: the hydraulic and electric control system for picking the Chinese wolfberry comprises an oil tank, a pumping subsystem, a valve control subsystem and an executing mechanism, wherein the pumping subsystem comprises a first oil conveying pump, a second oil conveying pump, a third oil conveying pump, an oil filter and a first motor, the first oil conveying pump, the second oil conveying pump and the third oil conveying pump are connected in series and then connected with the first motor, one end of the oil filter is connected with the oil tank through an oil conveying pipe, the other end of the oil filter is respectively connected with the first oil conveying pump, the second oil conveying pump and the third oil conveying pump through a tee oil conveying pipe, the valve control subsystem is assembled with conveying pipelines of the first oil conveying pump, the second oil conveying pump and the third oil conveying pump, the executing mechanism is connected with the valve control subsystem through an oil conveying pipe, the valve control subsystem comprises a first main control valve and a second main control valve, and the first main control valve.
2. The electro-hydraulic control system for wolfberry picking according to claim 1, characterized in that: the executing mechanism comprises a front travelling wheel hydraulic motor, a left travelling wheel hydraulic motor, a right travelling wheel hydraulic motor, a left vibrating brush hydraulic motor and a right vibrating brush hydraulic motor, the front travelling wheel hydraulic motor is assembled at the wheel shaft end of a front travelling wheel of the medlar picking machine, the left travelling wheel hydraulic motor is assembled at the shaft end of the left travelling wheel of the medlar picking machine, the right travelling wheel hydraulic motor is assembled at the shaft end of the right travelling wheel of the medlar picking machine, and the left vibrating brush hydraulic motor and the right vibrating brush hydraulic motor are respectively assembled at the upper end of a left vibrating brush roll shaft and the upper end of a right vibrating brush roll shaft of the medlar picking machine; the front traveling wheel hydraulic motor, the left traveling wheel hydraulic motor, the right traveling wheel hydraulic motor, the left vibrating brush hydraulic motor and the right vibrating brush hydraulic motor are connected with the valve control subsystem through oil pipelines.
3. The electro-hydraulic control system for wolfberry picking according to claim 2, characterized in that: the valve control subsystem comprises a first main control valve, a second main control valve, a pedal pressure reducing valve and a pedal reversing valve, the pedal reversing valve and the pedal pressure reducing valve are connected through an oil conveying pipe, the pedal reversing valve is connected with the first main control valve through the oil conveying pipe, the first main control valve is connected with a front traveling wheel hydraulic motor, a left traveling wheel hydraulic motor and a right traveling wheel hydraulic motor through the oil conveying pipe, the LS valve end of the first main control valve is connected with the LS valve, the LS valve senses the stroke size state of a control lever of a driver, and the oil pressure and the flow of the first oil transfer pump and the second oil transfer pump are adjusted by corresponding signals for the first main control valve; and the second main control valve is connected with the left vibrating brush hydraulic motor and the right vibrating brush hydraulic motor through an oil conveying pipe.
4. The electro-hydraulic control system for wolfberry picking according to claim 3, characterized in that: the actuating mechanism further comprises an upper fan motor, a lower fan motor and a conveying transmission motor, the upper fan motor is assembled at the upper end of the wind conveying system of the wolfberry picking machine and used for being connected with the upper fan, the lower fan motor is assembled at the lower end of the wind conveying system of the wolfberry picking machine and used for being connected with the lower fan of the wind conveying system, the conveying transmission motor is assembled at a driving pulley of a transmission belt of the wolfberry picking machine, and the second main control valve is respectively connected with the upper fan motor, the lower fan motor and the conveying transmission motor through oil pipelines.
5. The electro-hydraulic control system for wolfberry picking according to claim 4, characterized in that: the first main control valve comprises a servo valve, a first overflow valve, a second overflow valve, a third overflow valve, a first oil filter, a one-way flow divider valve, a two-position two-way electromagnetic valve and a two-position three-way electromagnetic valve, two valve ends of the servo valve are connected with the pedal reversing valve, the output end of the servo valve is respectively connected with a front travelling wheel hydraulic motor, a left travelling wheel hydraulic motor and a right travelling wheel hydraulic motor, the loop end of the servo valve is respectively connected with the oil loop ends of the front travelling wheel hydraulic motor, the left travelling wheel hydraulic motor and the right travelling wheel hydraulic motor, the first overflow valve is connected with the first oil filter, the second overflow valve and the two-position two-way electromagnetic valve, the two-position two-way electromagnetic valve is long-break, the first oil filter is connected with the first oil conveying pump and the second oil conveying pump, one end of the one-way flow divider valve is connected with the first oil filter, the other end of the one-way flow divider, the first overflow valve is connected with the first oil filter and the power motor, the magnetic control valves are respectively connected on the front travelling wheel hydraulic motor, the left travelling wheel hydraulic motor and the right travelling wheel hydraulic motor, and each magnetic control valve is connected, and the two-position three-way electromagnetic valve is connected with the first overflow valve and the magnetic control valve.
6. The electro-hydraulic control system for wolfberry picking according to claim 5, characterized in that: the second main control valve comprises a first manual control valve, a second manual control valve and a third manual control valve, the first manual control valve is connected with the upper fan motor and the lower fan motor, the second manual control valve is connected with the left vibrating brush hydraulic motor and the right vibrating brush hydraulic motor, and the third manual control valve is connected with the conveying transmission motor.
7. The electro-hydraulic control system for wolfberry picking according to claim 6, characterized in that: the executing mechanism further comprises a first lifting oil cylinder and a second lifting oil cylinder, the valve control subsystem further comprises a first electromagnetic directional valve, a second electromagnetic directional valve and a pressure reducing electromagnetic valve, the first electromagnetic directional valve is connected with the first lifting oil cylinder, the second electromagnetic directional valve is connected with the second lifting oil cylinder, the first electromagnetic directional valve is connected with the second electromagnetic directional valve and connected with the pressure reducing electromagnetic valve after connection, the pressure reducing electromagnetic valve is connected with a third oil transfer pump, and the first lifting oil cylinder and the second lifting oil cylinder are assembled on a machine frame of the wolfberry picking machine and used for controlling the lifting of the machine frame.
8. The electro-hydraulic control system for wolfberry picking according to claim 7, wherein: the pumping subsystem further comprises a reversing valve and an overflow valve, and the first oil transfer pump and the second oil transfer pump are connected with the reversing valve and the overflow valve.
9. The electro-hydraulic control system for wolfberry picking according to claim 8, wherein: the second main control valve also comprises a fourth overflow valve, a second oil filter, a fifth overflow valve, a first main control electromagnetic valve and a diverter valve, the first main control electromagnetic valve is long-open, the second oil filter is connected with the first oil transfer pump and the second oil transfer pump, one end of the diverter valve is connected with the second oil filter, the other end of the diverter valve is connected with the first main control electromagnetic valve, the fourth overflow valve and the second oil filter are connected with a power motor, the second oil filter is connected with the fifth overflow valve and the first main control electromagnetic valve, the first main control electromagnetic valve is connected with the diverter valve, the diverter valve is connected with the first oil transfer pump and the second oil transfer pump, and the diverter valve is respectively connected with the first manual control valve, the second manual control valve and the third manual control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010393821.1A CN111631021A (en) | 2020-05-11 | 2020-05-11 | Hydraulic-electric control system for picking medlar |
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| CN202010393821.1A CN111631021A (en) | 2020-05-11 | 2020-05-11 | Hydraulic-electric control system for picking medlar |
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| CN202010393821.1A Pending CN111631021A (en) | 2020-05-11 | 2020-05-11 | Hydraulic-electric control system for picking medlar |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113303088A (en) * | 2021-05-24 | 2021-08-27 | 石河子大学 | Speed cooperative control system of picking and running system of cotton picker |
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2020
- 2020-05-11 CN CN202010393821.1A patent/CN111631021A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113303088A (en) * | 2021-05-24 | 2021-08-27 | 石河子大学 | Speed cooperative control system of picking and running system of cotton picker |
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