CN105626610A - Energy-saving system of mechanical arm of energy-saving bagging machine - Google Patents
Energy-saving system of mechanical arm of energy-saving bagging machine Download PDFInfo
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- CN105626610A CN105626610A CN201610157341.9A CN201610157341A CN105626610A CN 105626610 A CN105626610 A CN 105626610A CN 201610157341 A CN201610157341 A CN 201610157341A CN 105626610 A CN105626610 A CN 105626610A
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/024—Installations or systems with accumulators used as a supplementary power source, e.g. to store energy in idle periods to balance pump load
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/14—Energy-recuperation means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20546—Type of pump variable capacity
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention relates to an energy-saving system of a mechanical arm of an energy-saving bagging machine, and belongs to the technical field of bagging machine control. The energy-saving system comprises a variable hydraulic motor (1), a first three-position reversing valve (2), a hydraulic pump (3), a first one-way valve (4), a hydraulic control one-way valve (5), a main one-way valve (6), a first two-position valve (7), a second two-position valve (22), a control unit (23), an energy accumulator (28) and the like. The energy-saving system is characterized in that the control unit (23) controls opening and closing of the first two-position valve (7), the second two-position valve (22) and a third two-position valve (26) by receiving signals of position sensors connected with all three-position reversing valves and pressure signals detected by two pressure sensors in a system oil way, different oil way connecting conditions are obtained, and thereforewhen the bagging machine works, potential energy generated when a movable arm drops can be sufficiently used; and meanwhile needed equipment is simple, and the price is low.
Description
Technical field
The present invention relates to a kind of energy-conservation sack packer mechanical arm energy conserving system, belong to sack packer control techniques field.
Background technology
What in process is speedily carried out rescue work in flood, we often adopted is artificial pack, and this kind of mode consumes a large amount of manpowers and inefficiency, often can not meet the needs of flood-fighting timely. And generally there is the serious shortcoming of energy wastage in existing mechanical type pack device, swing arm deadweight is very big, the process risen needs provide energy, and be do not need consumed energy in the process of decline, us are needed to be improved by its hydraulic circuit, utilizing renewable energy source to greatest extent, the present invention provides a kind of novel swing arm energy conserving system, it is possible to energy when Hydraulic Excavator's Boom being declined effectively is recycled.
Summary of the invention
The energy-conservation sack packer mechanical arm energy conserving system of one provided by the invention, Conversion of energy when can be declined by swing arm in sack packer mechanical arm is that hydraulic pressure can be stored in energy storage, the Conversion of energy lost at surplus valve place is that hydraulic pressure can be stored in energy storage, and energy when directly being declined by swing arm is bucket bar offer power.
A kind of energy-conservation sack packer mechanical arm energy conserving system, comprise variable hydraulic motor (1), first three position directional valve (2), hydro-pump (3), first check valve (4), fluid-control one-way valve (5), main check valve (6), first two-position valve (7), surplus valve (8), fuel tank (9), strainer (10), Main Hydraulic Pump (11), engine (12), first location sensor (13), second position sensor (14), bucket rod pressure sensor (15), 2nd three position directional valve (16), 3rd position transducer (17), 3rd three position directional valve (18), scraper bowl hydro-cylinder (19), bucket bar hydro-cylinder (20), 2nd check valve (21), 2nd two-position valve (22), control unit (23), boom cylinder (24), 3rd check valve (25), 3rd two-position valve (26), energy storage pressure sensor (27), energy storage (28), when swing arm is static, first three position directional valve (2) is in interposition, rod chamber and the rodless cavity oil circuit of boom cylinder (24) are all truncated, hydraulic efficiency oil cannot circulate, when bucket bar is static, the 2nd three position directional valve (16) is in interposition, rod chamber and the rodless cavity oil circuit of bucket bar hydro-cylinder (20) are all truncated, hydraulic efficiency oil cannot circulate, when scraper bowl is static, the 3rd three position directional valve (18) is in interposition, rod chamber and the rodless cavity oil circuit of scraper bowl hydro-cylinder (19) are all truncated, hydraulic efficiency oil cannot circulate, work as swing arm, when bucket bar and scraper bowl are simultaneously static, control unit accepts first location sensor (13), second position sensor (14), the signal that 3rd position transducer (17) sends, control the first two-position valve (7) and it is in connection position, Main Hydraulic Pump (11) off-load, when swing arm, bucket bar or scraper bowl are different static time, control unit accepts first location sensor (13), second position sensor (14), the signal that the 3rd position transducer (17) sends, and controls the first two-position valve (7) and is in and disconnects position, when swing arm rises, the first three position directional valve (2) is in position, left side, control unit (23) control the 2nd two-position valve (22) and the 3rd two-position valve (26) are in and disconnect position, make oil circuit first by energy storage (28) by position on the left of the first check valve (4) and the first three position directional valve (2) to boom cylinder (24) rodless cavity fuel feeding, when energy storage (28) pressure drop is to certain value, change into by Main Hydraulic Pump (11) to boom cylinder (24) rodless cavity fuel feeding, the hydraulic efficiency oil that boom cylinder (24) rod chamber is discharged flows back to fuel tank by the first three position directional valve (2), when swing arm declines, first three position directional valve (2) is in position, right side, if bucket bar hydro-cylinder (20) does not shorten, control unit (23) control the 3rd two-position valve (26) is in and is connected position, 2nd two-position valve (22) is in and disconnects position, oil circuit is by Main Hydraulic Pump (11) fuel feeding, boom cylinder (24) rod chamber is arrived through position, the first three position directional valve (2) right side, the hydraulic efficiency oil that boom cylinder (24) rodless cavity is discharged is through the 3rd check valve (25), variable hydraulic motor (1) is arrived by the 3rd two-position valve (26), variable hydraulic motor (1) drives hydro-pump (3), pressurize to the hydraulic efficiency oil in system, hydraulic efficiency oil after pressurization enters energy storage (28), if time in swing arm decline process, bucket bar hydro-cylinder (20) shortens, control unit (23) control the 2nd two-position valve (22) is in and is connected position, 3rd two-position valve (26) is in and disconnects position, the hydraulic efficiency oil that boom cylinder (24) rodless cavity is discharged is through the 3rd check valve (25), arriving bucket bar hydro-cylinder (20) rod chamber by the 2nd two-position valve (22) and the 2nd check valve (21), the hydraulic efficiency oil that bucket bar hydro-cylinder (20) rodless cavity is discharged flows back to fuel tank (9) through the 2nd position, three position directional valve (16) left side,When the hydraulic efficiency oil in energy storage (28) reaches scheduled pressure value, fluid-control one-way valve (6) reverse-conducting, now, hydraulic efficiency oil flows back to Main Hydraulic Pump (11) outlet through fluid-control one-way valve (5) and main check valve (6), carries out two fuel feeding; When the oil liquid pressure in working connection is too high, surplus valve (8) is opened, securing system oil circuit; When the bar hydro-cylinder (20) that struggles against extends, 2nd three position directional valve (16) is in position, right side, after hydraulic efficiency oil is flowed out by Main Hydraulic Pump (11), entering bucket bar hydro-cylinder (20) rodless cavity through the 2nd position, three position directional valve (16) right side, the hydraulic efficiency oil that bucket bar hydro-cylinder (20) rod chamber is discharged flows back to fuel tank through the 2nd position, three position directional valve (16) right side; When the bar hydro-cylinder (20) that struggles against shortens, 2nd three position directional valve (16) is in position, left side, if swing arm does not decline, after hydraulic efficiency oil is flowed out by Main Hydraulic Pump (11), entering bucket bar hydro-cylinder (20) rod chamber through the 2nd position, three position directional valve (16) left side, the hydraulic efficiency oil that bucket bar hydro-cylinder (20) rodless cavity is discharged flows back to fuel tank through the 2nd position, three position directional valve (16) left side; When scraper bowl hydro-cylinder (19) extends, 3rd three position directional valve (18) is in position, left side, after hydraulic efficiency oil is flowed out by Main Hydraulic Pump (11), entering scraper bowl hydro-cylinder (19) rodless cavity through the 3rd position, three position directional valve (18) left side, the hydraulic efficiency oil that scraper bowl hydro-cylinder (19) rod chamber is discharged flows back to fuel tank (9) through the 3rd position, three position directional valve (18) left side; When scraper bowl hydro-cylinder (19) shortens, 3rd three position directional valve (18) is in position, right side, after hydraulic efficiency oil is flowed out by Main Hydraulic Pump (11), entering scraper bowl hydro-cylinder (19) rod chamber through the 3rd position, three position directional valve (18) right side, the hydraulic efficiency oil that scraper bowl hydro-cylinder (19) rodless cavity is discharged flows back to fuel tank (9) through the 3rd position, three position directional valve (18) right side; By increasing, energy storage (28) and hydraulic efficiency oil directly recycle loop to this energy conserving system, and hydraulic pressure when being declined by swing arm can carry out recycling, thus reaches the effect that sack packer mechanical arm is energy-conservation.
The advantage that the present invention has compared with prior art:
1. due to swing arm decline time, directly to energy storage accumulation of energy, the pressure of the hydraulic efficiency oil in energy storage may not reach expection requirement, increases the device that variable hydraulic motor drives hydro-pump, to pressure boost in oil circuit, it is possible to obtain very high pressure in the middle of adopting.
2., if directly adopting energy storage energy storage, swing arm speed can not be effectively controlled, and adopts variable hydraulic motor to regulate swing arm lowering speed, it is possible to the size of speed is controlled within the specific limits.
If 3. only adopting energy storage energy storage, the process that energy discharge afterwards through first storing, inevitably produces certain power loss, increases hydraulic efficiency oil and directly recycle loop in oil circuit, and the potential energy declined by swing arm directly struggles against as driving the kinetic energy of bar hydro-cylinder.
Accompanying drawing explanation
Fig. 1 is the layout schematic diagram of energy-conservation sack packer mechanical arm energy conserving system of the present invention.
Embodiment
1, variable hydraulic motor, 2, first three position directional valve, 3, hydro-pump, 4, first check valve 5, fluid-control one-way valve, 6, main check valve, 7, first two-position valve, 8, surplus valve, 9, fuel tank, 10, strainer, 11, Main Hydraulic Pump, 12, engine, 13, first location sensor, 14, second position sensor, 15, bucket rod pressure sensor, 16, 2nd three position directional valve, 17, 3rd position transducer, 18, 3rd three position directional valve, 19, scraper bowl hydro-cylinder, 20, bucket bar hydro-cylinder, 21, 2nd check valve, 22, 2nd two-position valve, 23, control unit, 24, boom cylinder, 25, 3rd check valve, 26, 3rd two-position valve, 27, energy storage pressure sensor, 28, energy storage.
Below in conjunction with accompanying drawing, the present invention will be further described.
As shown in Figure 1: energy-conservation sack packer mechanical arm energy conserving system of the present invention comprises: variable hydraulic motor (1), first three position directional valve (2), hydro-pump (3), first check valve (4), fluid-control one-way valve (5), main check valve (6), first two-position valve (7), surplus valve (8), fuel tank (9), strainer (10), Main Hydraulic Pump (11), engine (12), first location sensor (13), second position sensor (14), bucket rod pressure sensor (15), 2nd three position directional valve (16), 3rd position transducer (17), 3rd three position directional valve (18), scraper bowl hydro-cylinder (19), bucket bar hydro-cylinder (20), 2nd check valve (21), 2nd two-position valve (22), control unit (23), boom cylinder (24), 3rd check valve (25), 3rd two-position valve (26), energy storage pressure sensor (27), energy storage (28).
The mode of connection of a kind of energy-conservation sack packer mechanical arm energy conserving system is: Main Hydraulic Pump (11) is connected with engine (12), Main Hydraulic Pump (11) entrance is connected with strainer (10), strainer (10) is connected with fuel tank (9), Main Hydraulic Pump (11) outlet respectively with the first three position directional valve (2), 2nd three position directional valve (16), 3rd three position directional valve (18), main check valve (6), first two-position valve (7) is connected with surplus valve (8), surplus valve (8) outlet connected tank (9), first two-position valve (7) outlet connected tank (9), main check valve (6) is connected with fluid-control one-way valve (5), fluid-control one-way valve (5) outlet is connected with energy storage (28) outlet, first three position directional valve (2) is connected with the first check valve (4) with boom cylinder (24), boom cylinder (24) rodless cavity is connected with the 3rd check valve (25), first check valve (4) is connected with energy storage (28) outlet, 3rd check valve (25) is connected with the 3rd two-position valve (26), 3rd two-position valve (26) is connected with hydro-pump (3) with variable hydraulic motor (1), variable hydraulic motor (1) is connected by drive shaft with hydro-pump (3), variable hydraulic motor (1) outlet connected tank (9), hydro-pump (3) outlet is connected with energy storage (28), 3rd check valve (25) is connected with the 2nd two-position valve (22), 2nd two-position valve (22) is connected with the 2nd check valve (21), 2nd check valve (21) is connected with bucket bar hydro-cylinder (20) rod chamber, 2nd three position directional valve (16) is connected with bucket bar hydro-cylinder (20), 3rd three position directional valve (18) is connected with scraper bowl hydro-cylinder (19), control unit (23) can according to first location sensor (13), second position sensor (14), 3rd position transducer (17) records the position of each three position directional valve, being connected and blocking-up of the energy storage top hole pressure that records with energy storage pressure sensor (27) according to bucket rod pressure sensor (15) bucket bar hydro-cylinder (20) the rod chamber intake pressure that records thus each two-position valve of cooperation control.
Swing arm is static: when boom cylinder (24) is static, and the first three position directional valve (2) is in interposition, and rod chamber and the rodless cavity oil circuit of boom cylinder (24) are all truncated, and hydraulic efficiency oil cannot circulate.
Bucket bar is static: when bucket bar hydro-cylinder (20) is static, the 2nd three position directional valve (16) is in interposition, and rod chamber and the rodless cavity oil circuit of bucket bar hydro-cylinder (20) are all truncated, and hydraulic efficiency oil cannot circulate.
Scraper bowl is static: when scraper bowl hydro-cylinder (19) is static, and the 3rd three position directional valve (18) is in interposition, and rod chamber and the rodless cavity oil circuit of scraper bowl hydro-cylinder (19) are all truncated, and hydraulic efficiency oil cannot circulate.
Swing arm rises: when boom cylinder (24) rises, first three position directional valve (2) is in position, left side, control unit (23) control the 2nd two-position valve (22) and the 3rd two-position valve (26) are in and disconnect position, make oil circuit first by energy storage (28) by position on the left of the first check valve (4) and the first three position directional valve (2) to boom cylinder (24) rodless cavity fuel feeding, when energy storage (28) pressure drop is to certain value, change into by Main Hydraulic Pump (11) to boom cylinder (24) rodless cavity fuel feeding, the hydraulic efficiency oil that boom cylinder (24) rod chamber is discharged flows back to fuel tank (9) by the first three position directional valve (2).
Swing arm declines: when boom cylinder (24) declines, first three position directional valve (2) is in position, right side, if bucket bar hydro-cylinder (20) does not shorten, control unit (23) control the 3rd two-position valve (26) is in and is connected position, 2nd two-position valve (22) is in and disconnects position, oil circuit is by Main Hydraulic Pump (11) fuel feeding, boom cylinder (24) rod chamber is arrived through position, the first three position directional valve (2) right side, the hydraulic efficiency oil that boom cylinder (24) rodless cavity is discharged is through the 3rd check valve (25), variable hydraulic motor (1) is arrived by the 3rd two-position valve (26), variable hydraulic motor (1) drives hydro-pump (3), pressurize to the hydraulic efficiency oil in system, hydraulic efficiency oil after pressurization enters energy storage (28), when the hydraulic efficiency oil in energy storage (28) reaches scheduled pressure value, fluid-control one-way valve (6) reverse-conducting, now, hydraulic efficiency oil flows back to Main Hydraulic Pump (11) outlet through fluid-control one-way valve (5) and main check valve (6), carry out two fuel feeding, thus play the effect of protection energy storage, if time in swing arm decline process, bucket bar hydro-cylinder (20) shortens, control unit (23) control the 2nd two-position valve (22) is in and is connected position, 3rd two-position valve (26) is in and disconnects position, the hydraulic efficiency oil that boom cylinder (24) rodless cavity is discharged is through the 3rd check valve (25), arriving bucket bar hydro-cylinder (20) rod chamber by the 2nd two-position valve (22) and the 2nd check valve (21), the hydraulic efficiency oil that bucket bar hydro-cylinder (20) rodless cavity is discharged flows back to fuel tank (9) through the 2nd position, three position directional valve (16) left side.
Bucket bar extends: when bucket bar hydro-cylinder (20) extends, 2nd three position directional valve (16) is in position, right side, after hydraulic efficiency oil is flowed out by Main Hydraulic Pump (11), entering bucket bar hydro-cylinder (20) rodless cavity through the 2nd position, three position directional valve (16) right side, the hydraulic efficiency oil that bucket bar hydro-cylinder (20) rod chamber is discharged flows back to fuel tank (9) through the 2nd position, three position directional valve (16) right side.
Bucket bar shortens: when the bar hydro-cylinder (20) that struggles against shortens, 2nd three position directional valve (16) is in position, left side, if swing arm does not decline, after hydraulic efficiency oil is flowed out by Main Hydraulic Pump (11), entering bucket bar hydro-cylinder (20) rod chamber through the 2nd position, three position directional valve (16) left side, the hydraulic efficiency oil that bucket bar hydro-cylinder (20) rodless cavity is discharged flows back to fuel tank (9) through the 2nd position, three position directional valve (16) left side; If swing arm declines, the oil given by Main Hydraulic Pump (11) pump enters bucket bar hydro-cylinder (20) rod chamber jointly through the 2nd three position directional valve (16) position, left side and the hydraulic efficiency oil that flows out by the 2nd check valve (21), and the hydraulic efficiency oil that bucket bar hydro-cylinder (20) rodless cavity is discharged flows back to fuel tank (9) through the 2nd position, three position directional valve (16) left side.
Scraper bowl extends: when scraper bowl hydro-cylinder (19) extends, 3rd three position directional valve (18) is in position, left side, after hydraulic efficiency oil is flowed out by Main Hydraulic Pump (11), entering scraper bowl hydro-cylinder (19) rodless cavity through the 3rd position, three position directional valve (18) left side, the hydraulic efficiency oil that scraper bowl hydro-cylinder (19) rod chamber is discharged flows back to fuel tank (9) through the 3rd position, three position directional valve (18) left side.
Scraper bowl shortens: when scraper bowl hydro-cylinder (19) shortens, 3rd three position directional valve (18) is in position, right side, after hydraulic efficiency oil is flowed out by Main Hydraulic Pump (11), entering scraper bowl hydro-cylinder (19) rod chamber through the 3rd position, three position directional valve (18) right side, the hydraulic efficiency oil that scraper bowl hydro-cylinder (19) rodless cavity is discharged flows back to fuel tank (9) through the 3rd position, three position directional valve (18) right side.
When the oil liquid pressure in working connection is too high, surplus valve (8) is opened, securing system oil circuit.
Claims (6)
1. an energy-conservation sack packer mechanical arm energy conserving system, comprise variable hydraulic motor (1), first three position directional valve (2), hydro-pump (3), first check valve (4), fluid-control one-way valve (5), main check valve (6), first two-position valve (7), surplus valve (8), fuel tank (9), strainer (10), Main Hydraulic Pump (11), engine (12), first location sensor (13), second position sensor (14), bucket rod pressure sensor (15), 2nd three position directional valve (16), 3rd position transducer (17), 3rd three position directional valve (18), scraper bowl hydro-cylinder (19), bucket bar hydro-cylinder (20), 2nd check valve (21), 2nd two-position valve (22), control unit (23), boom cylinder (24), 3rd check valve (25), 3rd two-position valve (26), energy storage pressure sensor (27), energy storage (28), when swing arm is static, first three position directional valve (2) is in interposition, rod chamber and the rodless cavity oil circuit of boom cylinder (24) are all truncated, hydraulic efficiency oil cannot circulate, when bucket bar is static, the 2nd three position directional valve (16) is in interposition, rod chamber and the rodless cavity oil circuit of bucket bar hydro-cylinder (20) are all truncated, hydraulic efficiency oil cannot circulate, when scraper bowl is static, the 3rd three position directional valve (18) is in interposition, rod chamber and the rodless cavity oil circuit of scraper bowl hydro-cylinder (19) are all truncated, hydraulic efficiency oil cannot circulate, work as swing arm, when bucket bar and scraper bowl are simultaneously static, control unit accepts first location sensor (13), second position sensor (14), the signal that 3rd position transducer (17) sends, control the first two-position valve (7) and it is in connection position, Main Hydraulic Pump (11) off-load, when swing arm, bucket bar or scraper bowl are different static time, control unit accepts first location sensor (13), second position sensor (14), the signal that the 3rd position transducer (17) sends, and controls the first two-position valve (7) and is in and disconnects position, when swing arm rises, the first three position directional valve (2) is in position, left side, control unit (23) control the 2nd two-position valve (22) and the 3rd two-position valve (26) are in and disconnect position, make oil circuit first by energy storage (28) by position on the left of the first check valve (4) and the first three position directional valve (2) to boom cylinder (24) rodless cavity fuel feeding, when energy storage (28) pressure drop is to certain value, change into by Main Hydraulic Pump (11) to boom cylinder (24) rodless cavity fuel feeding, the hydraulic efficiency oil that boom cylinder (24) rod chamber is discharged flows back to fuel tank by the first three position directional valve (2), when swing arm declines, first three position directional valve (2) is in position, right side, if bucket bar hydro-cylinder (20) does not shorten, control unit (23) control the 3rd two-position valve (26) is in and is connected position, 2nd two-position valve (22) is in and disconnects position, oil circuit is by Main Hydraulic Pump (11) fuel feeding, boom cylinder (24) rod chamber is arrived through position, the first three position directional valve (2) right side, the hydraulic efficiency oil that boom cylinder (24) rodless cavity is discharged is through the 3rd check valve (25), variable hydraulic motor (1) is arrived by the 3rd two-position valve (26), variable hydraulic motor (1) drives hydro-pump (3), pressurize to the hydraulic efficiency oil in system, hydraulic efficiency oil after pressurization enters energy storage (28), when the hydraulic efficiency oil in energy storage (28) reaches scheduled pressure value, fluid-control one-way valve (6) reverse-conducting, now, hydraulic efficiency oil flows back to Main Hydraulic Pump (11) outlet through fluid-control one-way valve (5) and main check valve (6), carries out two fuel feeding,If time in swing arm decline process, bucket bar hydro-cylinder (20) shortens, control unit (23) control the 2nd two-position valve (22) is in and is connected position, 3rd two-position valve (26) is in and disconnects position, the hydraulic efficiency oil that boom cylinder (24) rodless cavity is discharged is through the 3rd check valve (25), arriving bucket bar hydro-cylinder (20) rod chamber by the 2nd two-position valve (22) and the 2nd check valve (21), the hydraulic efficiency oil that bucket bar hydro-cylinder (20) rodless cavity is discharged flows back to fuel tank (9) through the 2nd position, three position directional valve (16) left side; When the bar hydro-cylinder (20) that struggles against extends, 2nd three position directional valve (16) is in position, right side, after hydraulic efficiency oil is flowed out by Main Hydraulic Pump (11), entering bucket bar hydro-cylinder (20) rodless cavity through the 2nd position, three position directional valve (16) right side, the hydraulic efficiency oil that bucket bar hydro-cylinder (20) rod chamber is discharged flows back to fuel tank through the 2nd position, three position directional valve (16) right side; When the bar hydro-cylinder (20) that struggles against shortens, 2nd three position directional valve (16) is in position, left side, if swing arm does not decline, after hydraulic efficiency oil is flowed out by Main Hydraulic Pump (11), entering bucket bar hydro-cylinder (20) rod chamber through the 2nd position, three position directional valve (16) left side, the hydraulic efficiency oil that bucket bar hydro-cylinder (20) rodless cavity is discharged flows back to fuel tank through the 2nd position, three position directional valve (16) left side; When scraper bowl hydro-cylinder (19) extends, 3rd three position directional valve (18) is in position, left side, after hydraulic efficiency oil is flowed out by Main Hydraulic Pump (11), entering scraper bowl hydro-cylinder (19) rodless cavity through the 3rd position, three position directional valve (18) left side, the hydraulic efficiency oil that scraper bowl hydro-cylinder (19) rod chamber is discharged flows back to fuel tank through the 3rd position, three position directional valve (18) left side; When scraper bowl hydro-cylinder (19) shortens, 3rd three position directional valve (18) is in position, right side, after hydraulic efficiency oil is flowed out by Main Hydraulic Pump (11), entering scraper bowl hydro-cylinder (19) rod chamber through the 3rd position, three position directional valve (18) right side, the hydraulic efficiency oil that scraper bowl hydro-cylinder (19) rodless cavity is discharged flows back to fuel tank through the 3rd position, three position directional valve (18) right side; When the oil liquid pressure in working connection is too high, surplus valve (8) is opened, securing system oil circuit; By increasing, energy storage (28) and hydraulic efficiency oil directly recycle loop to this energy conserving system, and hydraulic pressure when being declined by swing arm can carry out recycling, thus reaches the effect that sack packer mechanical arm is energy-conservation.
2. energy-conservation sack packer mechanical arm energy conserving system according to claim 1, it is characterised in that: being provided with control unit (23), to the first two-position valve (7), the 2nd two-position valve (22), the 3rd two-position valve (26) controls.
3. energy-conservation sack packer mechanical arm energy conserving system according to claim 1, it is characterised in that: variable hydraulic motor (1) is connected by drive shaft with hydro-pump (3).
4. energy-conservation sack packer mechanical arm energy conserving system according to claim 1, it is characterised in that: surplus valve (8) is in parallel with the first two-position valve (7), and surplus valve (8) is connected with fuel tank (9) with the first two-position valve (7) outlet.
5. energy-conservation sack packer mechanical arm energy conserving system according to claim 1, it is characterized in that: the 3rd check valve (25) is connected with the 3rd two-position valve (26), 3rd two-position valve (26) is connected with variable hydraulic motor (1), and hydro-pump (3) is connected with energy storage (28).
6. energy-conservation sack packer mechanical arm energy conserving system according to claim 1, it is characterized in that: the 3rd check valve (25) is connected with the 2nd two-position valve (22), 2nd two-position valve (22) is connected with the 2nd check valve (21), and the 2nd check valve (21) is connected with bucket bar hydro-cylinder (20) rod chamber.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185671A (en) * | 2016-08-25 | 2016-12-07 | 武汉船用机械有限责任公司 | Pulling winch hydraulic control system |
| CN106286429A (en) * | 2016-10-28 | 2017-01-04 | 山河智能装备股份有限公司 | A kind of can the energy-saving control valve of multi-stage booster |
| CN108869467A (en) * | 2018-07-05 | 2018-11-23 | 伊婕 | A kind of pressure difference liquid energy and potential energy recovery system |
| CN110131225A (en) * | 2019-04-02 | 2019-08-16 | 太原重工股份有限公司 | A kind of hydraulic control circuit and method of bender lower die locking cylinder |
| CN110284835A (en) * | 2019-07-25 | 2019-09-27 | 桂林航天工业学院 | A kind of movable engineering drilling machine |
| CN110285098A (en) * | 2019-06-25 | 2019-09-27 | 徐州徐工特种工程机械有限公司 | Energy-saving electric machine drive hydraulic system principle and its control method |
| CN115680044A (en) * | 2022-11-22 | 2023-02-03 | 国机重工集团常林有限公司 | Excavator swing arm oil cylinder energy recovery hydraulic system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007205415A (en) * | 2006-01-31 | 2007-08-16 | Kayaba Ind Co Ltd | Control circuit for hydraulic actuator |
| CN102635143A (en) * | 2012-05-04 | 2012-08-15 | 山东理工大学 | Energy-saving hydraulic control system of loading machine and control method |
| CN102635579A (en) * | 2012-05-04 | 2012-08-15 | 山东理工大学 | Energy-saving hydraulic system for loaders |
| CN202545385U (en) * | 2012-05-04 | 2012-11-21 | 山东理工大学 | Energy-saving hydraulic system for loaders |
| CN202544015U (en) * | 2012-05-04 | 2012-11-21 | 山东理工大学 | Hydraulic system of loader |
| CN202577398U (en) * | 2012-05-04 | 2012-12-05 | 福田雷沃国际重工股份有限公司 | Swing arm descending energy-saving system of negative flow control of excvavtor |
| CN103148031A (en) * | 2013-03-27 | 2013-06-12 | 南京工业大学 | Hydraulic movable arm loop energy-saving control system |
| CN203498888U (en) * | 2013-08-26 | 2014-03-26 | 中外合资沃得重工（中国）有限公司 | Hydraulic control device capable of recovering boom potential energy of excavator |
-
2016
- 2016-03-21 CN CN201610157341.9A patent/CN105626610A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007205415A (en) * | 2006-01-31 | 2007-08-16 | Kayaba Ind Co Ltd | Control circuit for hydraulic actuator |
| CN102635143A (en) * | 2012-05-04 | 2012-08-15 | 山东理工大学 | Energy-saving hydraulic control system of loading machine and control method |
| CN102635579A (en) * | 2012-05-04 | 2012-08-15 | 山东理工大学 | Energy-saving hydraulic system for loaders |
| CN202545385U (en) * | 2012-05-04 | 2012-11-21 | 山东理工大学 | Energy-saving hydraulic system for loaders |
| CN202544015U (en) * | 2012-05-04 | 2012-11-21 | 山东理工大学 | Hydraulic system of loader |
| CN202577398U (en) * | 2012-05-04 | 2012-12-05 | 福田雷沃国际重工股份有限公司 | Swing arm descending energy-saving system of negative flow control of excvavtor |
| CN103148031A (en) * | 2013-03-27 | 2013-06-12 | 南京工业大学 | Hydraulic movable arm loop energy-saving control system |
| CN203498888U (en) * | 2013-08-26 | 2014-03-26 | 中外合资沃得重工（中国）有限公司 | Hydraulic control device capable of recovering boom potential energy of excavator |
Non-Patent Citations (2)
| Title |
|---|
| 孙希振等: "液压挖掘机动臂势能回收系统研究", 《矿山机械》 * |
| 贺元成等: "一种中型液压挖掘机动臂系统节能技术的研究", 《矿山机械》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185671A (en) * | 2016-08-25 | 2016-12-07 | 武汉船用机械有限责任公司 | Pulling winch hydraulic control system |
| CN106185671B (en) * | 2016-08-25 | 2018-08-28 | 武汉船用机械有限责任公司 | Pulling winch hydraulic control system |
| CN106286429A (en) * | 2016-10-28 | 2017-01-04 | 山河智能装备股份有限公司 | A kind of can the energy-saving control valve of multi-stage booster |
| CN108869467A (en) * | 2018-07-05 | 2018-11-23 | 伊婕 | A kind of pressure difference liquid energy and potential energy recovery system |
| CN110131225A (en) * | 2019-04-02 | 2019-08-16 | 太原重工股份有限公司 | A kind of hydraulic control circuit and method of bender lower die locking cylinder |
| CN110285098A (en) * | 2019-06-25 | 2019-09-27 | 徐州徐工特种工程机械有限公司 | Energy-saving electric machine drive hydraulic system principle and its control method |
| CN110285098B (en) * | 2019-06-25 | 2024-08-13 | 徐州徐工特种工程机械有限公司 | Energy-saving motor driving hydraulic system and control method thereof |
| CN110284835A (en) * | 2019-07-25 | 2019-09-27 | 桂林航天工业学院 | A kind of movable engineering drilling machine |
| CN110284835B (en) * | 2019-07-25 | 2024-04-12 | 桂林航天工业学院 | Movable engineering driller |
| CN115680044A (en) * | 2022-11-22 | 2023-02-03 | 国机重工集团常林有限公司 | Excavator swing arm oil cylinder energy recovery hydraulic system |
| CN115680044B (en) * | 2022-11-22 | 2024-10-01 | 国机重工集团常林有限公司 | Hydraulic system for recovering energy of movable arm oil cylinder of excavator |
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