CN203756334U - Piston type hydraulic engine - Google Patents
Piston type hydraulic engine Download PDFInfo
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- CN203756334U CN203756334U CN201320839724.6U CN201320839724U CN203756334U CN 203756334 U CN203756334 U CN 203756334U CN 201320839724 U CN201320839724 U CN 201320839724U CN 203756334 U CN203756334 U CN 203756334U
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Abstract
The utility model discloses a piston type hydraulic engine. A traditional reciprocating internal combustion engine and a single-piston hydraulic cylinder are integrated to form a whole body; a hydraulic piston directly pushes oil liquid to act on a driving mechanism. The combination of one compaction oil cylinder and two working air cylinders not only has a four-stroke working pattern of the traditional internal combustion engine, but also omits a crank connection rod mechanism and a power balance mechanism which are used for converting the piston reciprocating motion into rotary motion; a transmission chain is shortened and the flexible adjustment of a power transmission device is realized; the four-stroke working pattern of the traditional internal combustion engine is adopted, and the flow of the driving mechanism is adjusted to act outwards to control the piston type hydraulic engine to be opened and closed, so as to control the oil spraying frequency of the piston type hydraulic engine; compared with the traditional reciprocating internal combustion engine, the fuel economy is better. With the adoption of the technical scheme disclosed by the utility model, the repeated conversion between different motion patterns is omitted and more energy can be used for acting.
Description
Technical field
The utility model relates to hydraulics field, relates in particular to a kind of piston-type hydro hydraulic motor.
Background technique
Along with day by day manifesting of global energy crisis and environmental deterioration problem, the requirement of the energy-conservation and environmental-protecting performance to motor also improves constantly.People are devoted to the Improvement and perfection to conventional engines on the one hand, thirst on the other hand the appearance of new power plant.Piston-type hydro hydraulic motor is a kind of by conventional reciprocating formula piston IC engine and the integrated four-stroke new work engine device of hydraulic jack.
Be that internal-combustion engine and oil hydraulic cylinder are merged into a single whole from structure, the heat energy that the burning of internal-combustion engine is produced directly promotes hydraulic cylinder piston, makes it by externally acting of fluid pressurization.Piston-type hydro hydraulic motor can be divided into working cylinder and compressing cylinder two large divisions composition, can be divided into single cylinder, twin-tub and multi-cylinder according to the difference of output power, introduces the piston-type hydro hydraulic motor of twin-tub herein.Piston-type hydro hydraulic motor can be divided into force feed mechanism. distribution device. and power mechanism. starting mechanism composition.Piston-type hydro hydraulic motor is exhaust oiling, air inlet successively, four strokes of calming the anger, do work.
In the research work of piston-type hydro hydraulic motor, rationality design and the optimization of its structure are major tasks of its development.
Summary of the invention
The purpose of this utility model is to propose a kind of piston-type hydro hydraulic motor, and the piston of traditional combustion engine and piston hydraulic cylinder are connected as a single entity, and makes power plant reduce subsidiary body compared with traditional combustion engine, improves efficiency, makes the flexible output of efficiency.
For reaching this object the utility model by the following technical solutions:
A kind of piston-type hydro hydraulic motor, it is characterized in that having two working cylinders that structure is identical, comprise the first working cylinder, the second working cylinder, compressing cylinder, force feed piston, force feed piston cylinder, described compressing cylinder by conduit through the first Pilot operated check valve, the 4th one-way valve is connected with described the first working cylinder, described compressing cylinder connects the second Pilot operated check valve by conduit, the 5th one-way valve is connected with described the second working cylinder, described the first working cylinder is through the 12 one-way valve, the second working cylinder is connected with hydraulic actuator through accumulator by conduit through the 13 one-way valve, described force feed piston is arranged in described compressing cylinder by the control of described force feed piston cylinder, described force feed piston cylinder is that double-action single-rod cylinder is connected with force feed control loop, described compressing cylinder is that this filler opening of filler opening is by the 6th one-way valve connection work fluid fuel tank in the initial position of described force feed piston,
Also comprise the first power piston, the second power piston, the first displacer, the second displacer, the first displacer cylinder, the second displacer cylinder, the first intake duct, first row air flue, the second intake duct, second row air flue, described power piston is arranged in described working cylinder without fixed connection point, described the first displacer is arranged on the described first working cylinder the other end by described the first displacer cylinder control, described the second displacer is arranged on the described second working cylinder the other end by described the second displacer cylinder control, described displacer cylinder is double-action single-rod cylinder and calm the anger and fuel Injection Control loop is connected, described the first working cylinder side is offered the first intake duct, first row air flue, described the second working cylinder sidepiece has the second intake duct, second row air flue, described power piston is inner concave shape, described displacer is inner concave shape, power piston and a firing chamber of displacer composition,
Also comprise the first intake valve, the second intake valve, first row valve, second row valve, the first fuel oil injector, the second fuel oil injector, described intake valve, exhaust valve is that entirety is by spring force return stroke with single-acting single-rod cylinder respectively, described fuel oil injector and single-acting single-rod cylinder are entirety, described the first intake valve, corresponding described the first intake duct of first row valve, first row air flue is installed, described the second intake valve, corresponding described the second intake duct of second row valve, second row air flue is installed, the intermediate point of the sidepiece respective combustion chamber of described fuel oil injector installment work cylinder, described intake valve is by the air-breathing control loop control connecting, described exhaust valve is by the exhaust control loop control connecting, described fuel oil injector high voltage terminal connects calms the anger and fuel Injection Control loop low voltage terminal connection work fluid fuel tank,
Also comprise oil hydraulic pump, motor, relief valve, the first one-way valve, the first reduction valve, the second reduction valve, the second one-way valve, the 3rd one-way valve, the 11 one-way valve, the 7th pressure transducer, when described oil hydraulic pump, motor are installed together startup, toward force feed control loop and air-breathing control loop fuel feeding, the 7th pressure transducer is only for controlling electric motor circuit breaking and cutting out;
Its hydraulic control system of piston-type hydro hydraulic motor in sum comprises: force feed control loop, exhaust control loop, air-breathing control loop, calm the anger and fuel Injection Control loop, startup and loop control loop.
Described piston hydraulic engine features is: compressing cylinder, force feed piston, force feed piston cylinder, selector valve, first flow control valve, second control valve, the first stroke valve, the second stroke valve, the first Pilot operated check valve, the second Pilot operated check valve, the 4th one-way valve, the 5th one-way valve, the 6th one-way valve, the 9th one-way valve, the tenth one-way valve, described first flow control valve, second control valve connects respectively the He You chamber, left chamber of described force feed piston cylinder, described the first stroke valve, described force feed piston stroke section start and stroke that the second stroke valve is arranged on respectively described compressing cylinder return to place, described the first Pilot operated check valve, the second Pilot operated check valve is compressing cylinder to be oppositely installed described in on-off action control to described working cylinder oiling, described compressing cylinder is by the 6th one-way valve connection work fluid fuel tank, make fluid flow to compressing cylinder under the effect of self gravitation.
The feature of described piston-type hydro hydraulic motor is: first row valve, the 3rd Pilot operated check valve, the first solenoid directional control valve, the first pressure relay, described the first solenoid directional control valve connects respectively described first row valve, the first Pilot operated check valve, described the first pressure relay is connected in parallel on the pipeline of the first working cylinder oil-feed and controls described the first solenoid directional control valve work, described the 3rd Pilot operated check valve high voltage terminal be connected on the described first row valve of described the first solenoid directional control valve control and the oil circuit of the first Pilot operated check valve and low voltage terminal connection work fluid fuel tank for described exhaust valve pressure release, described the first Pilot operated check valve is the switch valve effect of oppositely having installed, the feature of described piston-type hydro hydraulic motor is: second row valve, the 6th Pilot operated check valve, the second solenoid directional control valve, the second pressure relay, described the second solenoid directional control valve connects respectively described second row valve, the second Pilot operated check valve, described the second pressure relay is connected in parallel on the pipeline of the second working cylinder oil-feed and controls described the second solenoid directional control valve work, described the 6th Pilot operated check valve high voltage terminal be connected on the described second row valve of described the second solenoid directional control valve control and the oil circuit of the second Pilot operated check valve and low voltage terminal connection work fluid fuel tank for described exhaust valve pressure release, described the second Pilot operated check valve is the switch valve effect of oppositely having installed.
The feature of described piston-type hydro hydraulic motor is: the first displacer, the first displacer cylinder, the first intake valve, the 3rd pressure relay, the 4th Pilot operated check valve, the 3rd solenoid directional control valve, the 5th Pilot operated check valve, described the 3rd solenoid directional control valve connects respectively described the first intake valve, the 5th Pilot operated check valve and described the first displacer cylinder suction end hydraulic fluid port are also controlled respectively described the first intake valve and are opened with the 5th Pilot operated check valve conducting simultaneously toward described the first displacer cylinder left end oiling, the oil circuit of high voltage terminal described the 3rd solenoid directional control valve control first intake valve in parallel of described the 4th Pilot operated check valve, low voltage terminal connection work fluid fuel tank, described the 3rd pressure relay is connected in parallel on the oil circuit of suction end hydraulic fluid port of described the first displacer cylinder and controls described the 3rd solenoid directional control valve work, described the 5th Pilot operated check valve is to be oppositely installed as the loop pressure release of calming the anger of controlling described the first displacer cylinder, described the 4th Pilot operated check valve is oppositely to install, control the air-breathing loop pressure release of described the first displacer cylinder, the feature of described piston-type hydro hydraulic motor is: the second displacer, the second displacer cylinder, the second intake valve, the 4th pressure relay, the 7th Pilot operated check valve, the 4th solenoid directional control valve, the 8th Pilot operated check valve, described the 4th solenoid directional control valve connects respectively described the second intake valve, the 8th Pilot operated check valve and described the second displacer cylinder suction end hydraulic fluid port, controlling respectively described the second intake valve opens and the 8th Pilot operated check valve conducting, simultaneously toward the high voltage terminal described second intake valve oil circuit of parallel connection of the 7th Pilot operated check valve described in described the second displacer cylinder suction end oiling and low voltage terminal connection work fluid fuel tank, described the 4th pressure relay is connected in parallel on the oil circuit of suction end hydraulic fluid port of described the second displacer cylinder and controls described the 4th solenoid directional control valve work, described the 8th Pilot operated check valve is oppositely installed as the loop pressure release of calming the anger of controlling described the second displacer cylinder, described the 7th Pilot operated check valve is oppositely installed as the air-breathing loop pressure release of controlling described the second displacer cylinder.
The feature of described piston-type hydro hydraulic motor is: the first displacer, the first displacer cylinder, the 5th solenoid directional control valve, the 5th pressure relay, the 7th one-way valve, the 9th Pilot operated check valve, the first fuel oil injector, described the 5th solenoid directional control valve connects described the first displacer cylinder air end of booster hydraulic fluid port by described the 7th one-way valve, described the 5th pressure relay is connected in parallel on described the 5th solenoid directional control valve and leads on the oil circuit of described the first displacer cylinder air end of booster hydraulic fluid port, the 5th solenoid directional control valve commutation described in described the 5th pressure relay control, described the 9th Pilot operated check valve is oppositely to install to connect the first displacer cylinder, described the first fuel oil injector high voltage terminal connects the 5th solenoid directional control valve and low voltage terminal connection work fluid fuel tank, the feature of described piston-type hydro hydraulic motor is: the second displacer, the second displacer cylinder, the 6th solenoid directional control valve, the 6th pressure relay, the 8th one-way valve, the tenth Pilot operated check valve, the second fuel oil injector, described the 6th solenoid directional control valve connects the second displacer cylinder air end of booster hydraulic fluid port by described the 8th one-way valve, described the 6th pressure relay is connected in parallel on described the 6th solenoid directional control valve and leads on the oil circuit of described the second displacer cylinder air end of booster hydraulic fluid port, the 6th solenoid directional control valve commutation described in described the 6th pressure relay control, described the tenth Pilot operated check valve is that pressure release and the pressurize of controlling described the second displacer cylinder are oppositely installed, described the second fuel oil injector high voltage terminal connects described the 6th solenoid directional control valve and low voltage terminal connection work fluid fuel tank.
6, the feature of piston-type hydro hydraulic motor according to claim 1 is: comprise oil hydraulic pump, motor, relief valve, the first one-way valve, the first reduction valve, the second reduction valve, the second one-way valve, the 3rd one-way valve, the 11 one-way valve, the 7th pressure transducer, described oil hydraulic pump high voltage terminal connects force feed control loop and exhaust control loop and low voltage terminal connection work fluid fuel tank, described relief valve main line in parallel plays voltage stabilizing overflow effect, described the first reduction valve, the second one-way valve, the first one-way valve provides stable operating oil pressure for the second working cylinder exhaust valve control loop and force feed control loop, described the second reduction valve, the 3rd one-way valve provides stable operating oil pressure for the first work gas exhaust valve control loop and force feed control loop, the 7th pressure transducer only cuts out for controlling electric motor circuit breaking.
Adopt the piston-type hydro hydraulic motor of the technical program to realize the soft readjustment of power plant, externally work done adopts timing mode, by regulating driving mechanism open-interval length to control the open and close of hydraulic control system, thus the oil spout frequency of control piston formula fluid power motor.
Brief description of the drawings
Fig. 1 is housing construction and the hydraulic system flow chart thereof of piston-type hydro hydraulic motor in the utility model embodiment.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with accompanying drawing and by embodiment.
Motor start-up drives oil hydraulic pump toward oil circuit oil transportation, thereby a road control through continuous reciprocating reversing control loop control force feed piston cylinder that force feed piston comes and goes continuously toward the first working cylinder, the second working cylinder oiling (when after oil circuit connection, the first stroke valve is connected, control fluid and promote selector valve commutation, the left chamber of force feed piston cylinder promotes force feed piston and moves, and realizes it toward working cylinder oiling.In the time that force feed piston bumps against the second stroke valve, selector valve is communicated with oil return circuit, and return under spring action, realizes its automatic reverse.The right chamber oil-feed of force feed piston cylinder promotes force feed piston and is moved to the left, when force feed piston collisions is to first stroke valve on the left side, and selector valve commutation, thereby reach the continuous auto reversive object of force feed control loop); Another road promotes the first solenoid directional control valve commutation, and fluid is divided into two tunnels at this: first row valve is impacted on a road opens it; The first Pilot operated check valve is controlled on one tunnel, and the first Pilot operated check valve conducting makes the fluid in compressing cylinder inject the first working cylinder through the 4th one-way valve, promotes the first power piston and arrives the other stop of valve.Fluid in the first working cylinder fills, and the first pressure relay responds and control the first solenoid directional control valve commutation.This is the exhaust stroke of the first working cylinder.
Fluid is through the first solenoid directional control valve commutation conducting Hou Fen bis-tunnels: a road connects the 3rd solenoid directional control valve; One tunnel is controlled the 3rd Pilot operated check valve and is made its conducting (make the fluid of controlling first row valve and the first Pilot operated check valve flow back to work fluid fuel tank, first row valve is closed under the effect of spring, the first Pilot operated check valve closure).Fluid is divided into three tunnels after out through the 3rd solenoid directional control valve: a road is controlled the 5th Pilot operated check valve and made its conducting (if the first displacer cylinder air end of booster has fluid, making fluid pass back into fuel tank from Pilot operated check valve); One tunnel connects the first intake valve opens it; One road makes it do air-breathing motion toward the suction end oiling of the first displacer cylinder, and the first displacer cylinder fluid fills air-breathing completing.Now the 3rd pressure relay responds and controls the 3rd solenoid directional control valve commutation.This is the suction stroke of the first working cylinder.
Fluid is divided into two tunnels after the 3rd solenoid directional control valve commutation conducting: a road is controlled the 4th Pilot operated check valve conducting and (made in the first displacer cylinder fluid and control fluid in the first intake valve, the 5th Pilot operated check valve to pass back into fuel tank through the 4th Pilot operated check valve, the first intake valve is again closed under spring action, the 5th Pilot operated check valve closure); Another road connects the 5th solenoid directional control valve.Fluid after the 5th solenoid directional control valve conducting through the 7th one-way valve toward the first displacer cylinder air end of booster oiling, make the motion of calming the anger of the first displacer, control the 9th Pilot operated check valve conducting discharges the first displacer cylinder suction end fluid simultaneously completely, the first displacer cylinder air end of booster fluid fills, and has calmed the anger.Now the 5th pressure relay responds and controls the 5th selector valve commutation.This is the gas pressuring stroke of the first working cylinder.
Fluid is controlled the first fuel oil injector and is made it work after the 5th solenoid directional control valve commutation conducting, the first fuel oil injector is toward the high pressure fuel spraying in the first working cylinder and pressurized air burning, produce power promote the first power piston by one tunnel the 12 one-way valve of fluid in the first working cylinder, accumulator to hydraulic actuator.This is the working stroke of the first working cylinder.
Another road binders liquid after the first working cylinder acting is divided into two tunnels through the first reduction valve: road first one-way valve connects selector valve toward force feed control loop fuel feeding, and now the 7th pressure transducer is responded to and controlled electric motor circuit breaking (motor and oil hydraulic pump quit work); Another road second one-way valve promotes the second solenoid directional control valve work.Fluid is divided into two tunnels after the second solenoid directional control valve conducting: second row valve is controlled on a road opens it; The second Pilot operated check valve is controlled on one tunnel, the second Pilot operated check valve conducting makes the fluid in compressing cylinder inject the second working cylinder through the 5th one-way valve and promotes the other stop of the second power piston arrival valve, fluid in the second working cylinder fills, and the second pressure relay responds and control the second solenoid directional control valve commutation.This is the exhaust stroke of the second working cylinder.
Fluid is through the second solenoid directional control valve commutation conducting Hou Fen bis-tunnels: a road connects the 4th solenoid directional control valve; One tunnel is controlled the 6th Pilot operated check valve and is made its conducting (make the fluid of controlling second row valve and the second Pilot operated check valve flow back to fuel tank, second row valve is closed under the effect of spring, the second Pilot operated check valve closure).Fluid is divided into three tunnels through the 4th solenoid directional control valve: a road connects the control port of the 8th Pilot operated check valve, makes its conducting (if the second displacer cylinder air end of booster has fluid, making fluid pass back into fuel tank from Pilot operated check valve); One tunnel connects the second intake valve opens it; One road, toward the suction end oiling of the second displacer cylinder, makes the second displacer do air-breathing motion.The second displacer cylinder suction end fluid fills air-breathing completing.The 4th pressure relay responds and controls the 4th solenoid directional control valve commutation.This is the suction stroke of the second working cylinder.
Fluid is divided into two tunnels after the 4th solenoid directional control valve commutation conducting: the 7th Pilot operated check valve conducting (make in the second displacer cylinder fluid and control fluid in the second intake valve to pass back into fuel tank, the second intake valve is closed again) is controlled on a road; Another road connects the 6th solenoid directional control valve.Fluid after the 6th solenoid directional control valve conducting through the 8th one-way valve toward the second displacer cylinder air end of booster oiling, make the motion (the second displacer cylinder air end of booster fluid fills, and has calmed the anger) of calming the anger of the second displacer.The 6th pressure relay responds and controls the 6th solenoid directional control valve commutation.This is the gas pressuring stroke of the second working cylinder.
Fluid is controlled the second fuel oil injector and is made it work after the 6th solenoid directional control valve commutation conducting.The second fuel oil injector is toward the high pressure fuel spraying in the second working cylinder and pressurized air burning, produce power pushes away the second power piston the fluid in the second working cylinder is driven to hydraulic actuator acting through the 13 one-way valve, accumulator, and this is the second working cylinder working stroke; Connect the second reduction valve, the 3rd one-way valve through another road of the 13 one-way valve, make it to enter next circulation toward coming and going continuously commutation loop and the first solenoid directional control valve fuel feeding.Arrive this, a kind of piston-type hydro hydraulic motor forms a complete workflow.
This piston-type hydro hydraulic motor is applicable to variable or quantitative fro hydraulic driving machinery, as while needing relatively high power, multiple working cylinders capable of being combined are realized.
The foregoing is only the better embodiment of the utility model, but the utility model is not limited to this, any can variation easily all should the containing in protection domain of the present utility model of replacement in the disclosed technical scope of the utility model.
Claims (6)
1. a piston-type hydro hydraulic motor, it is characterized in that having two working cylinders that structure is identical, comprise the first working cylinder (1), the second working cylinder (2), compressing cylinder (10), force feed piston (11), force feed piston cylinder (9), described compressing cylinder by conduit through the first Pilot operated check valve (31), the 4th one-way valve (35) is connected with described the first working cylinder, described compressing cylinder connects the second Pilot operated check valve (32) by conduit, the 5th one-way valve (36) is connected with described the second working cylinder, described the first working cylinder is through the 12 one-way valve (37), the second working cylinder is connected with hydraulic actuator through accumulator (40) by conduit through the 13 one-way valve (38), described force feed piston is arranged in described compressing cylinder by the control of described force feed piston cylinder, described force feed piston cylinder is that double-action single-rod cylinder is connected with force feed control loop, described compressing cylinder is that this filler opening of filler opening connects work fluid fuel tank by the 6th one-way valve (59) in the initial position of described force feed piston,
Also comprise the first power piston (3), the second power piston (4), the first displacer (5), the second displacer (6), the first displacer cylinder (12), the second displacer cylinder (13), the first intake duct (55), first row air flue (56), the second intake duct (64), second row air flue (65), described power piston is arranged in described working cylinder without fixed connection point, described the first displacer is arranged on the described first working cylinder the other end by described the first displacer cylinder control, described the second displacer is arranged on the described second working cylinder the other end by described the second displacer cylinder control, described displacer cylinder is double-action single-rod cylinder and calm the anger and fuel Injection Control loop is connected, and described the first working cylinder side is offered the first intake duct, first row air flue, described the second working cylinder sidepiece has the second intake duct, second row air flue, described power piston is inner concave shape, described displacer is inner concave shape, power piston and a firing chamber of displacer composition,
Also comprise the first intake valve (16), the second intake valve (17), first row valve (14), second row valve (15), the first fuel oil injector (57), the second fuel oil injector (58), described intake valve, exhaust valve is that entirety is by spring force return stroke with single-acting single-rod cylinder respectively, described fuel oil injector and single-acting single-rod cylinder are entirety, described the first intake valve, corresponding described the first intake duct of first row valve, first row air flue is installed, described the second intake valve, corresponding described the second intake duct of second row valve, second row air flue is installed, the intermediate point of the sidepiece respective combustion chamber of described fuel oil injector installment work cylinder, described intake valve is by the air-breathing control loop control connecting, described exhaust valve is by the exhaust control loop control connecting, described fuel oil injector high voltage terminal connects calms the anger and fuel Injection Control loop low voltage terminal connection work fluid fuel tank,
Also comprise oil hydraulic pump (8), motor (7), relief valve (53), the first one-way valve (54), the first reduction valve (66), the second reduction valve (60), the second one-way valve (61), the 3rd one-way valve (62), the 11 one-way valve (63), the 7th pressure transducer (69), when described oil hydraulic pump, motor are installed together startup, toward force feed control loop and air-breathing control loop fuel feeding, the 7th pressure transducer is only for controlling electric motor circuit breaking and cutting out;
Its hydraulic control system of piston-type hydro hydraulic motor in sum comprises: force feed control loop, exhaust control loop, air-breathing control loop, calm the anger and fuel Injection Control loop, startup and loop control loop.
2. piston hydraulic engine features according to claim 1 is: compressing cylinder (10), force feed piston (11), force feed piston cylinder (9), selector valve (18), first flow control valve (27), second control valve (28), the first stroke valve (25), the second stroke valve (26), the first Pilot operated check valve (31), the second Pilot operated check valve (32), the 4th one-way valve (35), the 5th one-way valve (36), the 6th one-way valve (59), the 9th one-way valve (29), the tenth one-way valve (30), described first flow control valve, second control valve connects respectively the He You chamber, left chamber of described force feed piston cylinder, described the first stroke valve, described force feed piston stroke section start and stroke that the second stroke valve is arranged on respectively described compressing cylinder return to place, described the first Pilot operated check valve, the second Pilot operated check valve is oppositely to have installed that compressing cylinder is to described working cylinder oiling described in on-off action control, and described compressing cylinder passes through the 6th one-way valve connection work fluid fuel tank, makes fluid flow to compressing cylinder under the effect of self gravitation.
3. the feature of piston-type hydro hydraulic motor according to claim 1 is: first row valve (14), the 3rd Pilot operated check valve (41), the first solenoid directional control valve (19), the first pressure relay (33), described the first solenoid directional control valve connects respectively described first row valve, the first Pilot operated check valve, described the first pressure relay is connected in parallel on the pipeline of the first working cylinder oil-feed and controls described the first solenoid directional control valve work, described the 3rd Pilot operated check valve high voltage terminal be connected on the described first row valve of described the first solenoid directional control valve control and the oil circuit of the first Pilot operated check valve and low voltage terminal connection work fluid fuel tank for described exhaust valve pressure release, described the first Pilot operated check valve is the switch valve effect of oppositely having installed, the feature of described piston-type hydro hydraulic motor is: second row valve (15), the 6th Pilot operated check valve (42), the second solenoid directional control valve (20), the second pressure relay (34), described the second solenoid directional control valve connects respectively described second row valve, the second Pilot operated check valve, described the second pressure relay is connected in parallel on the pipeline of the second working cylinder oil-feed and controls described the second solenoid directional control valve work, described the 6th Pilot operated check valve high voltage terminal be connected on the described second row valve of described the second solenoid directional control valve control and the oil circuit of the second Pilot operated check valve and low voltage terminal connection work fluid fuel tank for described exhaust valve pressure release, described the second Pilot operated check valve is the switch valve effect of oppositely having installed.
4. the feature of piston-type hydro hydraulic motor according to claim 1 is: the first displacer (5), the first displacer cylinder (12), the first intake valve (16), the 3rd pressure relay (49), the 4th Pilot operated check valve (43), the 3rd solenoid directional control valve (21), the 5th Pilot operated check valve (45), described the 3rd solenoid directional control valve connects respectively described the first intake valve, the 5th Pilot operated check valve and described the first displacer cylinder suction end hydraulic fluid port are also controlled respectively described the first intake valve and are opened with the 5th Pilot operated check valve conducting simultaneously toward described the first displacer cylinder left end oiling, the oil circuit of high voltage terminal described the 3rd solenoid directional control valve control first intake valve in parallel of described the 4th Pilot operated check valve, described in low voltage terminal connection work fluid fuel tank, the 3rd pressure relay is connected in parallel on the oil circuit of suction end hydraulic fluid port of described the first displacer cylinder and controls described the 3rd solenoid directional control valve work, described the 5th Pilot operated check valve is to be oppositely installed as the loop pressure release of calming the anger of controlling described the first displacer cylinder, described the 4th Pilot operated check valve is oppositely to install, control the air-breathing loop pressure release of described the first displacer cylinder, the feature of described piston-type hydro hydraulic motor is: the second displacer (6), the second displacer cylinder (13), the second intake valve (17), the 4th pressure relay (50), the 7th Pilot operated check valve (44), the 4th solenoid directional control valve (22), the 8th Pilot operated check valve (46), described the 4th solenoid directional control valve connects respectively described the second intake valve, the 8th Pilot operated check valve and described the second displacer cylinder suction end hydraulic fluid port, controlling respectively described the second intake valve opens and the 8th Pilot operated check valve conducting, simultaneously toward the high voltage terminal described second intake valve oil circuit of parallel connection of the 7th Pilot operated check valve described in described the second displacer cylinder suction end oiling and low voltage terminal connection work fluid fuel tank, described the 4th pressure relay is connected in parallel on the oil circuit of suction end hydraulic fluid port of described the second displacer cylinder and controls described the 4th solenoid directional control valve work, described the 8th Pilot operated check valve is oppositely installed as the loop pressure release of calming the anger of controlling described the second displacer cylinder, described the 7th Pilot operated check valve is oppositely installed as the air-breathing loop pressure release of controlling described the second displacer cylinder.
5. the feature of piston-type hydro hydraulic motor according to claim 1 is: the first displacer (5), the first displacer cylinder (12), the 5th solenoid directional control valve (23), the 5th pressure relay (51), the 7th one-way valve (47), the 9th Pilot operated check valve (67), the first fuel oil injector (57), described the 5th solenoid directional control valve connects described the first displacer cylinder air end of booster hydraulic fluid port by described the 7th one-way valve, described the 5th pressure relay is connected in parallel on described the 5th solenoid directional control valve and leads on the oil circuit of described the first displacer cylinder air end of booster hydraulic fluid port, the 5th solenoid directional control valve commutation described in described the 5th pressure relay control, described the 9th Pilot operated check valve is oppositely to install to connect the first displacer cylinder, described the first fuel oil injector high voltage terminal connects the 5th solenoid directional control valve and low voltage terminal connection work fluid fuel tank, the feature of described piston-type hydro hydraulic motor is the second displacer (6), the second displacer cylinder (13), the 6th solenoid directional control valve (24), the 6th pressure relay (52), the 8th one-way valve (48), the tenth Pilot operated check valve (68), the second fuel oil injector (58), described the 6th solenoid directional control valve connects the second displacer cylinder air end of booster hydraulic fluid port by described the 8th one-way valve, described the 6th pressure relay is connected in parallel on described the 6th solenoid directional control valve and leads on the oil circuit of described the second displacer cylinder air end of booster hydraulic fluid port, the 6th solenoid directional control valve commutation described in described the 6th pressure relay control, described the tenth Pilot operated check valve is that pressure release and the pressurize of controlling described the second displacer cylinder are oppositely installed, described the second fuel oil injector high voltage terminal connects described the 6th solenoid directional control valve and low voltage terminal connection work fluid fuel tank.
6. the feature of piston-type hydro hydraulic motor according to claim 1 is: comprise oil hydraulic pump (8), motor (7), relief valve (53), the first one-way valve (54), the first reduction valve (66), the second reduction valve (60), the second one-way valve (61), the 3rd one-way valve (62), the 11 one-way valve (63), the 7th pressure transducer (69), described oil hydraulic pump high voltage terminal connects force feed control loop and exhaust control loop and low voltage terminal connection work fluid fuel tank, described relief valve main line in parallel plays voltage stabilizing overflow effect, described the first reduction valve, the second one-way valve, the first one-way valve provides stable operating oil pressure for the second working cylinder exhaust valve control loop and force feed control loop, described the second reduction valve, the 3rd one-way valve provides stable operating oil pressure for the first work gas exhaust valve control loop and force feed control loop, the 7th pressure transducer only cuts out for controlling electric motor circuit breaking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320839724.6U CN203756334U (en) | 2013-07-18 | 2013-12-19 | Piston type hydraulic engine |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320427369 | 2013-07-18 | ||
| CN201320427369.1 | 2013-07-18 | ||
| CN201320839724.6U CN203756334U (en) | 2013-07-18 | 2013-12-19 | Piston type hydraulic engine |
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| CN203756334U true CN203756334U (en) | 2014-08-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628981A (en) * | 2013-07-18 | 2014-03-12 | 常毅 | Piston type hydraulic engine |
| CN110056426A (en) * | 2019-04-22 | 2019-07-26 | 左佳奇 | Single direction rotation corresponds to air pressure return type engine |
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2013
- 2013-12-19 CN CN201320839724.6U patent/CN203756334U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628981A (en) * | 2013-07-18 | 2014-03-12 | 常毅 | Piston type hydraulic engine |
| CN110056426A (en) * | 2019-04-22 | 2019-07-26 | 左佳奇 | Single direction rotation corresponds to air pressure return type engine |
| CN110056426B (en) * | 2019-04-22 | 2023-08-01 | 左佳奇 | One-way rotation corresponding air pressure return type engine |
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