CN104047799B - Multiple-stroke hydraulic engine and working method - Google Patents
Multiple-stroke hydraulic engine and working method Download PDFInfo
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- CN104047799B CN104047799B CN201410210464.5A CN201410210464A CN104047799B CN 104047799 B CN104047799 B CN 104047799B CN 201410210464 A CN201410210464 A CN 201410210464A CN 104047799 B CN104047799 B CN 104047799B
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Abstract
The invention relates to the technical field of engines and discloses a multiple-stroke hydraulic engine and a working method. At least one hydraulic oil plug cylinder is arranged in the engine shell of the multiple-stroke hydraulic engine, and the piston rod of the hydraulic oil plug cylinder is hinged to a corresponding crank of a crankshaft mechanism through a hemispherical head active joint connecting rod; and a crankshaft located on one end of the crankshaft mechanism and extending out from the engine shell is provided with a gear mechanism where a distributor oil inlet valve and a distributor oil distribution valve carry out synchronous action, and another crankshaft located on the other end of the crankshaft mechanism and extending out from the engine shell is connected with a load. According to the invention, a low-power high-oil pressure compressor is adopted for three hydraulic cylinders with a phase angle of 120 DEG used in the multiple-stroke hydraulic engine to allow the three hydraulic cylinders to apply hydraulic power on cranks on the crankshafts, so a plurality of hydraulic cylinders realizing rotation of the crankshafts generate power and it is realized that each hydraulic cylinder drives corresponding cranks on the crankshafts to rotate. The multiple-stroke hydraulic engine has the advantages of no emission of tail gas, no pollution, great power, a small size of the engine body and cyclic usability of hydraulic oil of a power source and overcomes the problem of shortage of power energy.
Description
Technical field
The present invention relates to technical field of engines, especially relate to a kind of multiple-pass fluid power motor in hydraulic power field
And method of work.This multiple-pass fluid power motor is particularly suited for the application of electric motor car, electro-tricycle, automobile, tractor, tool
There are pollution-free, noiselessness, power big, the environmental protection formula fluid power motor of small volume.
Background technology
At present, existing automobile, tractor, the engine of motorcycle are fuel engines, under steam, the tail gas of generation
Dense smoke discharge capacity is big, the surrounding air of pollution this area, and can hear the noise of tail gas dense smoke discharge, the life giving people
Environment and healthy bring strong influence.Because the reserves of petroleum resources are limited, cause the petroleum resources day of power source
Benefit is nervous, and oil price skyrockets, and also results in the power acting of fuel engines, the cost of the resource that consumes petroleum improves, for reducing power
The cost of acting, is badly in need of a kind of power source low cost, high-power engine.
Content of the invention
For overcoming the deficiencies in the prior art, the present invention provides a kind of multiple-pass fluid power motor and method of work.
For achieving the above object, the present invention adopts the following technical scheme that：
A kind of multiple-pass fluid power motor, including：Motor body 1, hydraulic oil plug cylinder 2, distributor inlet valve 3, distribution
Device sends fuel tap 4, crank mechanism, compressor, fuel tank, is provided with the hydraulic oil plug cylinder of at least in described motor body 1
2, the piston rod of described hydraulic oil plug cylinder 2 is articulated and connected by hemispherical head joint link lever 5 crank corresponding with crank mechanism alive；Stretch
Being provided with distributor inlet valve 3 on the bent axle 6 going out motor body 1 outer one end crank mechanism sends fuel tap 4 synchronous dynamic with distributor
The gear mechanism made, the bent axle 6 stretching out the outer other end crank mechanism of motor body 1 is connected with load；
The input of described distributor inlet valve 3 is connected with compressor by oil pipe, distributor inlet valve first output end
Some interfaces 3.1 of setting are connected with the upper oil hole 2.1 of corresponding hydraulic oil plug cylinder 2 by oil pipe, and the of distributor inlet valve
Some interfaces 3.2 of two output end settings are connected with the lower oilhole 2.2 of corresponding hydraulic oil plug cylinder 2 by oil pipe；
Described distributor sends the output end of fuel tap 4 to connect with fuel tank by oil pipe, and distributor sends fuel tap 4 first input end to set
The some interfaces 4.1 put are connected with the upper oil hole 2.1 of corresponding hydraulic oil plug cylinder 2 by oil pipe, and distributor sends fuel tap 4 second defeated
The some interfaces 4.2 entering end setting are connected with the lower oilhole 2.2 of corresponding hydraulic oil plug cylinder 2 by oil pipe.
A kind of multiple-pass fluid power motor, described bent axle link gear includes：Bent axle 6, crank, joint link lever 6 of living, bent axle
On be provided with and at least corresponding crank of hydraulic oil plug cylinder 2, the hinged joint link lever alive of each crank and hydraulic pressure plug cock
The piston rod of cylinder 2 is connected, and stretches out point gear 8 that the master gear 7 on motor body 1 outer crankshaft passes through distributor inlet valve 3
Point two gear 9 engagement sending fuel tap 4 with distributor is connected；On described bent axle, radial distribution connects between the crank of joint link lever of living
Angle be equal subangle on 360 ° of the circumference of bent axle.
A kind of multiple-pass fluid power motor, the hydraulic oil plug cylinder 2 in described motor body 1 is three hydraulic oil plug cylinders 2,
Piston rod 2.3 in three hydraulic oil plug cylinders 2 is articulated and connected by hemispherical head joint link lever 5 crank corresponding with bent axle alive,
Phase angle between each crank is 120 degree；Or be two hydraulic oil plug cylinders 2, the phase angle between each crank is 180 degree；
Or be four hydraulic oil plug cylinders 2, the phase angle between each crank is 90 degree.
A kind of multiple-pass fluid power motor, described hydraulic oil plug cylinder 2, including：Cylinder body 2.1, hydraulic piston 2.2, piston
Bar 2.3, described cylinder body is connected and is formed by upper cylinder cover, cylinder 2.4, lower cylinder cap 2.5, and upper cylinder cover 2.7 and motor body is upper
Gai Weitong one；Hydraulic piston 2.2 in cylinder body is fixedly connected with piston rod 2.3 by bolt, and the piston rod other end is stretched
The sealing device 2.6 going out lower cylinder cap is connected with joint link lever of living, the stroke that in hydraulic oil plug cylinder 2, hydraulic piston 2.2 moves up and down
For two strokes.
A kind of multiple-pass fluid power motor, described distributor inlet valve 3 has the valve rod of rotation and valve cylinder forms, outside valve cylinder
It is provided with the input end interface 3.3 connecting with compressor, some interfaces 3.1 of the uniform arrangement of the first output end, the second output end
Some interfaces 3.2 of uniform arrangement, on valve cylinder, the second output end interface 3.2 and the first output end interface 3.1 are non-radial setting,
And differ 90 °；
Valve rod cocircuit and first output end of connection corresponding with input end interface 3.3 are provided with the valve rod in valve cylinder
First output oil hole and some with the uniform arrangement of the second output end on the valve rod of the corresponding connection of some interfaces 3.1 of uniform arrangement
Second output oil hole on the valve rod of the corresponding connection of interface 3.2；Valve rod cocircuit passes through the logical first output oil some with valve rod of oil
Some second output oil hole connections on hole and valve rod；The valve shaft of the valve rod other end passes through bearing, sealing device and inlet valve distribution
Gear is fixedly connected.
A kind of multiple-pass fluid power motor, some first output oil holes on described distributor inlet valve 3 valve rod are two
First output oil hole, the angle of two the first output oil holes is 180 degree, and on valve rod, two the second output oil holes are first defeated with two
The corresponding setting of oil outlet；
Some first output oil holes on described distributor inlet valve 3 valve rod or be three the first output oil holes, three the
The angle of one output oil hole is 120 degree, three the second output oil holes setting corresponding with three the first output oil holes on valve rod.
A kind of multiple-pass fluid power motor, described distributor sends fuel tap 4 to have valve rod and the valve cylinder composition of rotation, outside valve cylinder
It is provided with the output end interface 4.3 connecting with fuel tank, some interfaces 4.1 of the uniform arrangement of first input end, the second input is equal
Some interfaces 4.2 of cloth arrangement, on valve cylinder, the second input end interface 4.2 and first input end interface 4.1 are non-radial setting, and
90 ° of difference；
Valve rod cocircuit and the first input end of connection corresponding with exporting end interface 4.3 are provided with the valve rod in valve cylinder
First input oilhole and some with the uniform arrangement of the second input on the valve rod of the corresponding connection of some interfaces 4.1 of uniform arrangement
Second input oilhole on the valve rod of the corresponding connection of interface 4.2；Valve rod cocircuit passes through oil duct, and some first inputs are oily with valve rod
Some second input oilhole connections on hole and valve rod；The valve shaft of the valve rod other end passes through bearing, sealing device and sends fuel tap to distribute
Gear is fixedly connected.
A kind of multiple-pass fluid power motor, described hemispherical head lives joint link lever 5 by hemispherical head joint alive and regulation connecting rod 5.1
It is fixedly connected, hemispherical head lives bulb 5.3 with ball seat 5.2 for the joint and closing piece 5.4 connects and composes, and ball seat 5.2 one end is arranged
Silk hole with adjust connecting rod 5.1 threads of lead screw be connected, leading screw is provided with the locknut 5.5 of fastening；Described hemispherical head lives joint even
Bar 5 or replace with pin connecting rod, pin connecting rod is fixedly connected with connecting rod by the piston rod of pin-hinges and constitutes.
A kind of method of work of multiple-pass fluid power motor, the low-power high pressure using hydraulic pump drives three hydraulic cylinder phases
Parallactic angle is 120 method of work applying hydraulic power to the crank on bent axle, reaching bent axle rotation：Its step is as follows：
1）First hydraulic cylinder, second hydraulic cylinder, the upper oil hole 2.1 of the 3rd hydraulic cylinder press corresponding first crank on bent axle,
Second crank, the 3rd crank sequentially rotate hexagonal angle order oil-feed, do work from top to bottom；
A. correspond to when the upper oil hole 2.1 of first hydraulic cylinder in motor body 1 passes through distributor inlet valve 3 first output end
The hydraulic oil that interface 3.1 is come in, the piston of compression first hydraulic cylinder moves down, and the piston rod of first hydraulic cylinder passes through connecting rod band
On dynamic crankshaft, corresponding crank rotates, and meanwhile, the lower oilhole 2.2 of first hydraulic cylinder sends fuel tap 4 first input end by distributor
Corresponding interface 4.1 is back to fuel tank；Wherein connecting rod adopts hemispherical head joint link lever 5 alive or pin connecting rod；
B. when the piston rod of first hydraulic cylinder in motor body 1 drives hinged crank to rotate 120 ° by connecting rod,
In motor body 1, the upper oil hole 2.1 of second hydraulic cylinder is come in by distributor inlet valve 3 first output end corresponding interface 3.1
Hydraulic oil, the piston of compression second hydraulic cylinder moves down, and the piston rod of second hydraulic cylinder passes through right on connecting rod band dynamic crankshaft
The crank answered rotates, and meanwhile, the lower oilhole 2.2 of second hydraulic cylinder sends fuel tap 4 first input end corresponding interface 4.1 by distributor
It is back to fuel tank；
C. when the piston rod of second hydraulic cylinder in motor body 1 drives hinged crank to rotate 120 ° again by connecting rod
When, in motor body 1, the upper oil hole 2.1 of the 3rd hydraulic cylinder is entered by distributor inlet valve 3 first output end corresponding interface 3.1
The hydraulic oil coming, the piston of compression the 3rd hydraulic cylinder moves down, and the piston rod of the 3rd hydraulic cylinder passes through on connecting rod band dynamic crankshaft
Corresponding crank rotates, and meanwhile, the lower oilhole 2.2 of the 3rd hydraulic cylinder sends fuel tap 4 first input end corresponding interface by distributor
4.1 are back to fuel tank；
D. when the piston rod of the 3rd hydraulic cylinder in motor body 1 drives hinged crank to rotate 120 ° again by connecting rod
When, to the hydraulic oil come in by distributor inlet valve 3 first output end corresponding interface 3.1 of upper oil hole 2.1 of first hydraulic cylinder,
The piston of compression first hydraulic cylinder moves down, and completes corresponding crank on bent axle and rotates one week；
2）First hydraulic cylinder, second hydraulic cylinder, the lower oilhole 2.1 of the 3rd hydraulic cylinder press corresponding first crank on bent axle,
Second crank, the 3rd crank sequentially rotate hexagonal angle order oil-feed, do work from bottom to top；
A. correspond to when the lower oilhole 2.2 of first hydraulic cylinder in motor body 1 passes through distributor inlet valve 3 second output end
The hydraulic oil that interface 3.2 is come in, the piston of compression first hydraulic cylinder moves up, and the piston rod of first hydraulic cylinder passes through connecting rod band
On dynamic crankshaft, corresponding crank rotates, and meanwhile, the upper oil hole 2.1 of first hydraulic cylinder sends fuel tap 4 second input by distributor
Corresponding interface 4.2 is back to fuel tank；
B. when the piston rod of first hydraulic cylinder in motor body 1 drives hinged crank to rotate 120 ° by connecting rod,
In motor body 1, the lower oilhole 2.2 of second hydraulic cylinder is come in by distributor inlet valve 3 second output end corresponding interface 3.2
Hydraulic oil, the piston of compression second hydraulic cylinder moves up, and the piston rod of second hydraulic cylinder passes through right on connecting rod band dynamic crankshaft
The crank answered rotates, and meanwhile, the upper oil hole 2.1 of second hydraulic cylinder sends fuel tap 4 second input corresponding interface 4.2 by distributor
It is back to fuel tank；
C. when the piston rod of second hydraulic cylinder in motor body 1 drives hinged crank to rotate 120 ° again by connecting rod
When, in motor body 1, the lower oilhole 2.2 of the 3rd hydraulic cylinder is entered by distributor inlet valve 3 second output end corresponding interface 3.2
The hydraulic oil coming, the piston of compression the 3rd hydraulic cylinder moves up, and the piston rod of the 3rd hydraulic cylinder passes through on connecting rod band dynamic crankshaft
Corresponding crank rotates, and meanwhile, the upper oil hole 2.1 of the 3rd hydraulic cylinder sends fuel tap 4 second input corresponding interface by distributor
4.2 are back to fuel tank；
D. when the piston rod of the 3rd hydraulic cylinder in motor body 1 drives hinged crank to rotate 120 ° again by connecting rod
When, to the hydraulic oil come in by distributor inlet valve 3 second output end corresponding interface 3.2 of lower oilhole 2.2 of first hydraulic cylinder,
The piston of compression first hydraulic cylinder moves up, and completes corresponding crank on bent axle and rotates one week；
3）Wherein, the first output end interface 3.1 of distributor inlet valve 3 corresponding with each hydraulic cylinder upper oil hole 2.1, passes through
Master gear on bent axle, inlet valve gear driven inlet valve valve rod rotate, inlet valve valve rod press corresponding first crank on bent axle, the
Two cranks, the 3rd crank rotate hexagonal angle, are sequentially first by the input of the hydraulic oil of compressor the allocated device inlet valve 3
Hydraulic cylinder, second hydraulic cylinder, the upper cylinder half delivery hydraulic pressure oil of the 3rd hydraulic cylinder；
Meanwhile, the second input end interface 4.2 of fuel tap 4 sent by the distributor of connection corresponding with oilhole under each hydraulic cylinder 2.2, leads to
Cross master gear on bent axle, send fuel tap gear driven to send fuel tap valve rod to rotate, send the synchronization of fuel tap valve rod by bent axle corresponding the
One crank, the second crank, the 3rd crank rotate hexagonal angle, sequentially connect first hydraulic cylinder, second hydraulic cylinder, the 3rd hydraulic cylinder
Lower oilhole 2.2 hydraulic oil, is delivered to fuel tank by the output end that fuel tap 4 sent by distributor；
Second output end interface 3.2 of distributor inlet valve 3 corresponding with oilhole under each hydraulic cylinder 2.2, with inlet valve valve
The rotation of post, inlet valve valve rod sequentially rotates hexagonal angle order by the first crank corresponding on bent axle, the second crank, the 3rd crank
Oily for the lower cylinder delivery hydraulic pressure of first hydraulic cylinder, second hydraulic cylinder, the 3rd hydraulic cylinder；
Meanwhile, the first input end interface 4.1 of fuel tap 4 sent by distributor corresponding with each hydraulic cylinder upper oil hole 2.1, with group's oil
The rotation of valve valve rod, sends fuel tap valve rod to rotate hexagonal angle by the first crank corresponding on bent axle, the second crank, the 3rd crank, according to
Sequence connects first hydraulic cylinder, second hydraulic cylinder, upper oil hole 2.1 hydraulic oil of the 3rd hydraulic cylinder, sends the defeated of fuel tap 4 by distributor
Go out end and be delivered to fuel tank；
By distributor inlet valve 3 to first hydraulic cylinder, second hydraulic cylinder, the upper cylinder half of the 3rd hydraulic cylinder, lower cylinder continuous
Oil transportation, and distributor send fuel tap 4 to first hydraulic cylinder, second hydraulic cylinder, the upper cylinder half of the 3rd hydraulic cylinder, lower cylinder continuous to fuel tank
Group's oil；First hydraulic cylinder, second hydraulic cylinder, the 3rd hydraulic cylinder piston drive bent axle on corresponding first crank, the second crank,
3rd crank continuously rotates.
Because using technical scheme as above, the present invention has following superiority：
A kind of multiple-pass fluid power motor and method of work, are produced dynamic using three hydraulic cylinders that hydraulic compressor makes the machine
Power, during work, this engine passes through additional motor and drives compressor or hydraulic pump, makes compressor or hydraulic pump supply hydraulic oil top
Rise three hydraulic cylinders of the machine, accomplish that every cylinder two stroke drives crank rotation.Three hydraulic cylinder six stroke of the machine, or replace with two cylinders
Four strokes, four cylinder eight stroke.This engine has no any exhaust emissions, and pollution-free, power is big, and engine small volume,
The hydraulic oil of power source can be recycled, and the loss of hydraulic oil is few, solves the nervous situation of power source.
Brief description
Fig. 1 is the structural representation of multiple-pass fluid power motor.
Fig. 2 is the side structure schematic diagram of multiple-pass fluid power motor.
Fig. 3 is the schematic diagram that fuel tap synchronous axial system sent by engine distributor inlet valve and distributor.
Fig. 4 is engine distributor inlet valve valve rod and the structural representation of oilhole distribution.
Specific embodiment
As shown in Figure 1,2,3, 4, a kind of multiple-pass fluid power motor, including：Motor body 1, hydraulic oil plug cylinder 2, point
Orchestration inlet valve 3, distributor send fuel tap 4, crank mechanism, compressor, fuel tank, are provided with least in described motor body 1
The hydraulic oil plug cylinder 2 of one, the piston rod of described hydraulic oil plug cylinder 2 is corresponding with crank mechanism by hemispherical head joint link lever 5 alive
Crank be articulated and connected；Distributor inlet valve 3 is provided with the bent axle 6 stretching out motor body 1 outer one end crank mechanism and divides
The gear mechanism of fuel tap 4 synchronization action sent by orchestration, stretches out bent axle 6 and the load phase of the outer other end crank mechanism of motor body 1
Even；
The input of described distributor inlet valve 3 is connected with compressor by oil pipe, distributor inlet valve first output end
Some interfaces 3.1 of setting are connected with the upper oil hole 2.1 of corresponding hydraulic oil plug cylinder 2 by oil pipe, and the of distributor inlet valve
Some interfaces 3.2 of two output end settings are connected with the lower oilhole 2.2 of corresponding hydraulic oil plug cylinder 2 by oil pipe；
Described distributor sends the output end of fuel tap 4 to connect with fuel tank by oil pipe, and distributor sends fuel tap 4 first input end to set
The some interfaces 4.1 put are connected with the upper oil hole 2.1 of corresponding hydraulic oil plug cylinder 2 by oil pipe, and distributor sends fuel tap 4 second defeated
The some interfaces 4.2 entering end setting are connected with the lower oilhole 2.2 of corresponding hydraulic oil plug cylinder 2 by oil pipe.
The bent axle link gear of multiple-pass fluid power motor includes：Bent axle 6, crank, joint link lever 6 of living, bent axle is arranged
Have and at least corresponding crank of hydraulic oil plug cylinder 2, the work of the hinged joint link lever alive of each crank and hydraulic oil plug cylinder 2
Stopper rod is connected, and stretches out point a gear 8 and the distributor that the master gear 7 on motor body 1 outer crankshaft passes through distributor inlet valve 3
Point two gear 9 engagement sending fuel tap 4 connects；On described bent axle, the angle between the crank of radial distribution connection joint link lever alive is
Equal subangle on 360 ° of the circumference of bent axle.
Hydraulic oil plug cylinder 2 in described motor body 1 is three hydraulic oil plug cylinders 2, the work in three hydraulic oil plug cylinders 2
Stopper rod 2.3 is articulated and connected by hemispherical head joint link lever 5 crank corresponding with bent axle alive, and the phase angle between each crank is
120 degree；Or be two hydraulic oil plug cylinders 2, the phase angle between each crank is 180 degree；Or be four hydraulic oil plug cylinders 2, often
Phase angle between individual crank is 90 degree.
Described hydraulic oil plug cylinder 2, including：Cylinder body 2.1, hydraulic piston, piston rod 2.3, described cylinder body is by upper cylinder cover
2.7th, cylinder 2.4, lower cylinder cap 2.5 connect composition, and upper cylinder cover 2.7 is with one with the upper lid of motor body；Positioned at cylinder body
Interior hydraulic piston is fixedly connected with piston rod 2.3 by bolt, and piston rod 2.3 other end stretches out the sealing device of lower cylinder cap
2.6 are connected with joint link lever 5 of living, and the stroke that in hydraulic oil plug cylinder 2, hydraulic piston moves up and down is two strokes.
Described distributor inlet valve 3 has the valve rod 3.4 of rotation and valve cylinder 3.5 forms, and is provided with and compresses outside valve cylinder 3.5
Some interfaces 3.1 of the uniform arrangement of the input end interface 3.3 of machine connection, the first output end, if the uniform arrangement of the second output end
Stem grafting mouth 3.2, on valve cylinder 3.5, the second output end interface 3.2 and the first output end interface 3.1 are non-radial setting, and differ
90°；
Valve rod cocircuit and first output of connection corresponding with input end interface 3.3 are provided with the valve rod in valve cylinder 3.5
If on the valve rod of the corresponding connection of some interfaces 3.1 of the uniform arrangement in end the first output oil hole and with the uniform arrangement of the second output end
Second output oil hole on the valve rod of the corresponding connection of stem grafting mouth 3.2；Valve rod cocircuit passes through logical first outputs some with valve rod of oil
Some second output oil hole connections on oilhole and valve rod；The valve shaft of the valve rod other end is divided by bearing, sealing device and inlet valve
Selective gear is fixedly connected.
Some first output oil holes on described distributor inlet valve valve rod 3.4 are two the first output oil hole such as A oilholes,
B oilhole, two first outputs A oilhole, the angles of B oilhole are 180 degree, and on valve rod, two the second output oil holes are first defeated with two
The corresponding setting of oil outlet；
Some first output oil holes on described distributor inlet valve valve rod 3.4 or be three the first output oil holes, such as A oil
Hole, B oilhole, C oilhole, the A oilhole of three the first output oil holes, B oilhole, C oilhole angle are 120 degree, three second on valve rod
Output oil hole setting corresponding with three the first output oil holes；As shown in Figure 4.
The distributor of multiple-pass fluid power motor sends fuel tap 4 to have the valve rod 4.4 of rotation and valve cylinder 4.5 forms, valve cylinder 4.5
It is provided with outward the output end interface 4.3 connecting with fuel tank, some interfaces 4.1 of the uniform arrangement of first input end, the second input
Some interfaces 4.2 of uniform arrangement, on valve cylinder, the second input end interface 4.2 and first input end interface 4.1 are non-radial setting,
And differ 90 °；
Valve rod cocircuit and the first input end of connection corresponding with exporting end interface 4.3 are provided with the valve rod in valve cylinder
First input oilhole and some with the uniform arrangement of the second input on the valve rod of the corresponding connection of some interfaces 4.1 of uniform arrangement
Second input oilhole on the valve rod of the corresponding connection of interface 4.2；Valve rod cocircuit passes through oil duct, and some first inputs are oily with valve rod
Some second input oilhole connections on hole and valve rod；The valve shaft of the valve rod other end passes through bearing, sealing device and sends fuel tap to distribute
Gear is fixedly connected.
The hemispherical head of multiple-pass fluid power motor joint link lever 5 alive is lived joint by hemispherical head and is connected with adjusting connecting rod 5.1 and fixing
Connect, hemispherical head lives bulb 5.3 with ball seat 5.2 for the joint and closing piece 5.4 connects and composes, the silk hole of ball seat 5.2 one end setting
It is connected with the threads of lead screw adjusting connecting rod 5.1, leading screw is provided with the locknut 5.5 of fastening；Described hemispherical head is lived joint link lever 5 or replace
It is changed to pin connecting rod, pin connecting rod is fixedly connected with connecting rod by the piston rod of pin-hinges and constitutes.
A kind of method of work of multiple-pass fluid power motor, the low-power high pressure using hydraulic pump drives three hydraulic cylinder phases
Parallactic angle is 120 method of work applying hydraulic power to the crank on bent axle, reaching bent axle rotation：Its step is as follows：
1）First hydraulic cylinder, second hydraulic cylinder, the upper oil hole 2.1 of the 3rd hydraulic cylinder press corresponding first crank on bent axle,
Second crank, the 3rd crank sequentially rotate hexagonal angle order oil-feed, do work from top to bottom；
A. correspond to when the upper oil hole 2.1 of first hydraulic cylinder in motor body 1 passes through distributor inlet valve 3 first output end
The hydraulic oil that interface 3.1 is come in, the piston of compression first hydraulic cylinder moves down, and the piston rod of first hydraulic cylinder passes through connecting rod band
On dynamic crankshaft, corresponding crank rotates, and meanwhile, the lower oilhole 2.2 of first hydraulic cylinder sends fuel tap 4 first input end by distributor
Corresponding interface 4.1 is back to fuel tank；Wherein connecting rod adopts hemispherical head joint link lever 5 alive or pin connecting rod；
B. when the piston rod of first hydraulic cylinder in motor body 1 drives hinged crank to rotate 120 ° by connecting rod,
In motor body 1, the upper oil hole 2.1 of second hydraulic cylinder is come in by distributor inlet valve 3 first output end corresponding interface 3.1
Hydraulic oil, the piston of compression second hydraulic cylinder moves down, and the piston rod of second hydraulic cylinder passes through right on connecting rod band dynamic crankshaft
The crank answered rotates, and meanwhile, the lower oilhole 2.2 of second hydraulic cylinder sends fuel tap 4 first input end corresponding interface 4.1 by distributor
It is back to fuel tank；
C. when the piston rod of second hydraulic cylinder in motor body 1 drives hinged crank to rotate 120 ° again by connecting rod
When, in motor body 1, the upper oil hole 2.1 of the 3rd hydraulic cylinder is entered by distributor inlet valve 3 first output end corresponding interface 3.1
The hydraulic oil coming, the piston of compression the 3rd hydraulic cylinder moves down, and the piston rod of the 3rd hydraulic cylinder passes through on connecting rod band dynamic crankshaft
Corresponding crank rotates, and meanwhile, the lower oilhole 2.2 of the 3rd hydraulic cylinder sends fuel tap 4 first input end corresponding interface by distributor
4.1 are back to fuel tank；
D. when the piston rod of the 3rd hydraulic cylinder in motor body 1 drives hinged crank to rotate 120 ° again by connecting rod
When, to the hydraulic oil come in by distributor inlet valve 3 first output end corresponding interface 3.1 of upper oil hole 2.1 of first hydraulic cylinder,
The piston of compression first hydraulic cylinder moves down, and completes corresponding crank on bent axle and rotates one week；
2）First hydraulic cylinder, second hydraulic cylinder, the lower oilhole 2.1 of the 3rd hydraulic cylinder press corresponding first crank on bent axle,
Second crank, the 3rd crank sequentially rotate hexagonal angle order oil-feed, do work from bottom to top；
A. correspond to when the lower oilhole 2.2 of first hydraulic cylinder in motor body 1 passes through distributor inlet valve 3 second output end
The hydraulic oil that interface 3.2 is come in, the piston of compression first hydraulic cylinder moves up, and the piston rod of first hydraulic cylinder passes through connecting rod band
On dynamic crankshaft, corresponding crank rotates, and meanwhile, the upper oil hole 2.1 of first hydraulic cylinder sends fuel tap 4 second input by distributor
Corresponding interface 4.2 is back to fuel tank；
B. when the piston rod of first hydraulic cylinder in motor body 1 drives hinged crank to rotate 120 ° by connecting rod,
In motor body 1, the lower oilhole 2.2 of second hydraulic cylinder is come in by distributor inlet valve 3 second output end corresponding interface 3.2
Hydraulic oil, the piston of compression second hydraulic cylinder moves up, and the piston rod of second hydraulic cylinder passes through right on connecting rod band dynamic crankshaft
The crank answered rotates, and meanwhile, the upper oil hole 2.1 of second hydraulic cylinder sends fuel tap 4 second input corresponding interface 4.2 by distributor
It is back to fuel tank；
C. when the piston rod of second hydraulic cylinder in motor body 1 drives hinged crank to rotate 120 ° again by connecting rod
When, in motor body 1, the lower oilhole 2.2 of the 3rd hydraulic cylinder is entered by distributor inlet valve 3 second output end corresponding interface 3.2
The hydraulic oil coming, the piston of compression the 3rd hydraulic cylinder moves up, and the piston rod of the 3rd hydraulic cylinder passes through on connecting rod band dynamic crankshaft
Corresponding crank rotates, and meanwhile, the upper oil hole 2.1 of the 3rd hydraulic cylinder sends fuel tap 4 second input corresponding interface by distributor
4.2 are back to fuel tank；
D. when the piston rod of the 3rd hydraulic cylinder in motor body 1 drives hinged crank to rotate 120 ° again by connecting rod
When, to the hydraulic oil come in by distributor inlet valve 3 second output end corresponding interface 3.2 of lower oilhole 2.2 of first hydraulic cylinder,
The piston of compression first hydraulic cylinder moves up, and completes corresponding crank on bent axle and rotates one week；
3）Wherein, the first output end interface 3.1 of distributor inlet valve 3 corresponding with each hydraulic cylinder upper oil hole 2.1, passes through
Master gear on bent axle, inlet valve gear driven inlet valve valve rod rotate, inlet valve valve rod press corresponding first crank on bent axle, the
Two cranks, the 3rd crank rotate hexagonal angle, are sequentially first by the input of the hydraulic oil of compressor the allocated device inlet valve 3
Hydraulic cylinder, second hydraulic cylinder, the upper cylinder half delivery hydraulic pressure oil of the 3rd hydraulic cylinder；
Meanwhile, the second input end interface 4.2 of fuel tap 4 sent by the distributor of connection corresponding with oilhole under each hydraulic cylinder 2.2, leads to
Cross master gear on bent axle, send fuel tap gear driven to send fuel tap valve rod to rotate, send the synchronization of fuel tap valve rod by bent axle corresponding the
One crank, the second crank, the 3rd crank rotate hexagonal angle, sequentially connect first hydraulic cylinder, second hydraulic cylinder, the 3rd hydraulic cylinder
Lower oilhole 2.2 hydraulic oil, is delivered to fuel tank by the output end that fuel tap 4 sent by distributor；
Second output end interface 3.2 of distributor inlet valve 3 corresponding with oilhole under each hydraulic cylinder 2.2, with inlet valve valve
The rotation of post, inlet valve valve rod sequentially rotates hexagonal angle order by the first crank corresponding on bent axle, the second crank, the 3rd crank
Oily for the lower cylinder delivery hydraulic pressure of first hydraulic cylinder, second hydraulic cylinder, the 3rd hydraulic cylinder；
Meanwhile, the first input end interface 4.1 of fuel tap 4 sent by distributor corresponding with each hydraulic cylinder upper oil hole 2.1, with group's oil
The rotation of valve valve rod, sends fuel tap valve rod to rotate hexagonal angle by the first crank corresponding on bent axle, the second crank, the 3rd crank, according to
Sequence connects first hydraulic cylinder, second hydraulic cylinder, upper oil hole 2.1 hydraulic oil of the 3rd hydraulic cylinder, sends the defeated of fuel tap 4 by distributor
Go out end and be delivered to fuel tank；
By distributor inlet valve 3 to first hydraulic cylinder, second hydraulic cylinder, the upper cylinder half of the 3rd hydraulic cylinder, lower cylinder continuous
Oil transportation, and distributor send fuel tap 4 to first hydraulic cylinder, second hydraulic cylinder, the upper cylinder half of the 3rd hydraulic cylinder, lower cylinder continuous to fuel tank
Group's oil；First hydraulic cylinder, second hydraulic cylinder, the 3rd hydraulic cylinder piston drive bent axle on corresponding first crank, the second crank,
3rd crank continuously rotates.
Claims (9)
1. a kind of multiple-pass fluid power motor it is characterised in that：Including：Motor body（1）, hydraulic oil plug cylinder（2）, distributor
Inlet valve（3）, distributor send fuel tap（4）, crank mechanism, compressor, fuel tank, described motor body（1）Inside it is provided with least
Hydraulic oil plug cylinder for one（2）, described hydraulic oil plug cylinder（2）Piston rod by hemispherical head live joint link lever（5）With bent axle
The corresponding crank of mechanism is articulated and connected；Stretch out motor body（1）The bent axle of outer one end crank mechanism（6）On be provided with distributor
Inlet valve（3）Send fuel tap with distributor（4）The gear mechanism of synchronization action, stretches out motor body（1）Outer other end bent axle machine
The bent axle of structure（6）It is connected with load；
Described distributor inlet valve（3）Input connected with compressor by oil pipe, distributor inlet valve first output end sets
The some interfaces put（3.1）By oil pipe and corresponding hydraulic oil plug cylinder（2）Upper oil hole（2.1）Connection, distributor inlet valve
Second output end setting some interfaces（3.2）By oil pipe and corresponding hydraulic oil plug cylinder（2）Lower oilhole（2.2）Even
Logical；
Fuel tap sent by described distributor（4）Output end connected with fuel tank by oil pipe, fuel tap sent by distributor（4）First input end sets
The some interfaces put（4.1）By oil pipe and corresponding hydraulic oil plug cylinder（2）Upper oil hole（2.1）Connection, fuel tap sent by distributor
（4）Some interfaces of the second input setting（4.2）By oil pipe and corresponding hydraulic oil plug cylinder（2）Lower oilhole（2.2）Even
Logical.
2. a kind of multiple-pass fluid power motor according to claim 1 it is characterised in that：Described crank mechanism includes：Bent
Axle（6）, crank, hemispherical head live joint link lever（5）, bent axle is provided with and at least one hydraulic oil plug cylinder（2）Corresponding song
Handle, the hinged hemispherical head work joint link lever of each crank（5）With hydraulic oil plug cylinder（2）Piston rod be connected, stretch out engine shell
Body（1）Master gear on outer crankshaft（7）By distributor inlet valve（3）Distributor inlet valve distribution gear（8）With distributor
Send fuel tap（4）Send fuel tap distribution gear（9）Engagement connects；On described bent axle, radial distribution connects hemispherical head work joint link lever
（5）Crank between angle be equal subangle on 360 ° of the circumference of bent axle.
3. a kind of multiple-pass fluid power motor according to claim 1 it is characterised in that：Described motor body（1）Interior
Hydraulic oil plug cylinder（2）For three hydraulic oil plug cylinders（2）, three hydraulic oil plug cylinders（2）Interior piston rod（2.3）By hemispherical head
Joint link lever alive（5）Crank corresponding with bent axle is articulated and connected, and the phase angle between each crank is 120 degree；Or it is two
Hydraulic oil plug cylinder（2）, the phase angle between each crank is 180 degree；Or be four hydraulic oil plug cylinders（2）, between each crank
Phase angle be 90 degree.
4. a kind of multiple-pass fluid power motor according to claim 1 it is characterised in that：Described hydraulic oil plug cylinder（2）,
Including：Cylinder body, hydraulic piston, piston rod（2.3）, described cylinder body is by upper cylinder cover, cylinder（2.4）, lower cylinder cap（2.5）Connection group
Become, and upper cylinder cover（2.7）Upper lid with motor body is with one；Hydraulic piston in cylinder body passes through bolt and piston
Bar（2.3）It is fixedly connected, the piston rod other end stretches out the sealing device of lower cylinder cap（2.6）With hemispherical head work joint link lever（5）Phase
Even, hydraulic oil plug cylinder（2）The stroke that interior hydraulic piston moves up and down is two strokes.
5. a kind of multiple-pass fluid power motor according to claim 1 it is characterised in that：Described distributor inlet valve（3）
It is made up of with valve cylinder the valve rod with rotation, outside valve cylinder, be provided with the input end interface connecting with compressor（3.3）, first output
Some interfaces of the uniform arrangement in end（3.1）, some interfaces of the uniform arrangement of the second output end（3.2）, the second output end on valve cylinder
Interface（3.2）With the first output end interface（3.1）For non-radial setting, and differ 90 °；
It is provided with and input end interface on valve rod in valve cylinder（3.3）The valve rod cocircuit of corresponding connection is equal with the first output end
Some interfaces of cloth arrangement（3.1）First output oil hole and some with the uniform arrangement of the second output end on the valve rod of corresponding connection
Interface（3.2）Second output oil hole on the valve rod of corresponding connection；Valve rod cocircuit passes through oil duct some first outputs with valve rod
Some second output oil hole connections on oilhole and valve rod；The valve shaft of the valve rod other end is entered by bearing, sealing device and distributor
Fuel tap distribution gear is fixedly connected.
6. a kind of multiple-pass fluid power motor according to claim 1 it is characterised in that：Described distributor inlet valve（3）
Valve rod on some first output oil holes be two the first output oil holes, the angle of two the first output oil holes is 180 degree, valve
Two the second output oil holes setting corresponding with two the first output oil holes on post；
Described distributor inlet valve（3）Valve rod on some first output oil holes or be three the first output oil holes, three the
The angle of one output oil hole is 120 degree, three the second output oil holes setting corresponding with three the first output oil holes on valve rod.
7. a kind of multiple-pass fluid power motor according to claim 1 it is characterised in that：Fuel tap sent by described distributor（4）
It is made up of with valve cylinder the valve rod with rotation, outside valve cylinder, be provided with the output end interface connecting with fuel tank（4.3）, first input end
Some interfaces of uniform arrangement（4.1）, some interfaces of the uniform arrangement of the second input（4.2）, the second input termination on valve cylinder
Mouthful（4.2）With first input end interface（4.1）For non-radial setting, and differ 90 °；
It is provided with valve rod in valve cylinder and export end interface（4.3）The valve rod cocircuit of corresponding connection is equal with first input end
Some interfaces of cloth arrangement（4.1）First input oilhole and some with the uniform arrangement of the second input on the valve rod of corresponding connection
Interface（4.2）Second input oilhole on the valve rod of corresponding connection；Valve rod cocircuit passes through oil duct some first inputs with valve rod
Some second input oilhole connections on oilhole and valve rod；The valve shaft of the valve rod other end by bearing, sealing device and sends fuel tap to divide
Selective gear is fixedly connected.
8. a kind of multiple-pass fluid power motor according to claim 1 it is characterised in that：Described hemispherical head work joint link lever
（5）Joint is lived by hemispherical head and adjusts connecting rod（5.1）Be fixedly connected, hemispherical head live joint by with ball seat（5.2）The bulb of cooperation
（5.3）And closing piece（5.4）Connect and compose, ball seat（5.2）The silk hole of one end setting and regulation connecting rod（5.1）Threads of lead screw even
Connect, leading screw is provided with the locknut of fastening（5.5）；Described hemispherical head work joint link lever（5）Or replace with pin connecting rod, pin connecting rod
It is fixedly connected with connecting rod by the piston rod of pin-hinges and constitute.
9. as claimed in claim 1 a kind of method of work of multiple-pass fluid power motor it is characterised in that：Little using compressor
Power high pressure drives three hydraulic oil plug cylinders（2）Phase angle be 120 ° on bent axle crank apply hydraulic power, reach song
The rotation of axle：Its step is as follows：
1）First hydraulic oil plug cylinder（2）, the second hydraulic oil plug cylinder（2）, the 3rd hydraulic oil plug cylinder（2）Upper oil hole（2.1）By song
On axle, corresponding first crank, the second crank, the 3rd crank sequentially rotate hexagonal angle order oil-feed, do work from top to bottom；
A. work as motor body（1）Interior first hydraulic oil plug cylinder（2）Upper oil hole（2.1）By distributor inlet valve（3）First
Output end corresponding interface（3.1）The hydraulic oil come in, compresses the first hydraulic oil plug cylinder（2）Piston move down, the first hydraulic pressure
Plug cock cylinder（2）Piston rod pass through corresponding crank on connecting rod band dynamic crankshaft and rotate, meanwhile, the first hydraulic oil plug cylinder（2）Under
Oilhole（2.2）Fuel tap is sent by distributor（4）Second input corresponding interface（4.2）It is back to fuel tank；Wherein connecting rod is using partly
Bulb work joint link lever（5）；
B. work as motor body（1）Interior first hydraulic oil plug cylinder（2）Piston rod drive hinged crank to rotate by connecting rod
When 120 °, motor body（1）Interior second hydraulic oil plug cylinder（2）Upper oil hole（2.1）By distributor inlet valve（3）First is defeated
Go out to hold corresponding interface（3.1）The hydraulic oil come in, compresses the second hydraulic oil plug cylinder（2）Piston move down, the second hydraulic oil
Plug cylinder（2）Piston rod pass through corresponding crank on connecting rod band dynamic crankshaft and rotate, meanwhile, the second hydraulic oil plug cylinder（2）Lower oil
Hole（2.2）Fuel tap is sent by distributor（4）Second input corresponding interface（4.2）It is back to fuel tank；
C. work as motor body（1）Interior second hydraulic oil plug cylinder（2）Piston rod drive hinged crank to rotate again by connecting rod
When 120 °, motor body（1）Interior 3rd hydraulic oil plug cylinder（2）Upper oil hole（2.1）By distributor inlet valve（3）First is defeated
Go out to hold corresponding interface（3.1）The hydraulic oil come in, compresses the 3rd hydraulic oil plug cylinder（2）Piston move down, the 3rd hydraulic oil
Plug cylinder（2）Piston rod pass through corresponding crank on connecting rod band dynamic crankshaft and rotate, meanwhile, the 3rd hydraulic oil plug cylinder（2）Lower oil
Hole（2.2）Fuel tap is sent by distributor（4）Second input corresponding interface（4.2）It is back to fuel tank；
D. work as motor body（1）Interior 3rd hydraulic oil plug cylinder（2）Piston rod drive hinged crank to rotate again by connecting rod
When 120 °, to the first hydraulic oil plug cylinder（2）Upper oil hole（2.1）By distributor inlet valve（3）First output end corresponding interface
（3.1）The hydraulic oil come in, compresses the first hydraulic oil plug cylinder（2）Piston move down, complete corresponding crank on bent axle and turn
Dynamic one week；
2）First hydraulic oil plug cylinder（2）, the second hydraulic oil plug cylinder（2）, the 3rd hydraulic oil plug cylinder（2）Lower oilhole（2.2）By song
On axle, corresponding first crank, the second crank, the 3rd crank sequentially rotate hexagonal angle order oil-feed, do work from bottom to top；
A. work as motor body（1）Interior first hydraulic oil plug cylinder（2）Lower oilhole（2.2）By distributor inlet valve（3）Second
Output end corresponding interface（3.2）The hydraulic oil come in, compresses the first hydraulic oil plug cylinder（2）Piston move up, the first hydraulic pressure
Plug cock cylinder（2）Piston rod pass through corresponding crank on connecting rod band dynamic crankshaft and rotate, meanwhile, the first hydraulic oil plug cylinder（2）Upper
Oilhole（2.1）Fuel tap is sent by distributor（4）First input end corresponding interface（4.1）It is back to fuel tank；
B. work as motor body（1）Interior first hydraulic oil plug cylinder（2）Piston rod drive hinged crank to rotate by connecting rod
When 120 °, motor body（1）Interior second hydraulic oil plug cylinder（2）Lower oilhole（2.2）By distributor inlet valve（3）Second is defeated
Go out to hold corresponding interface（3.2）The hydraulic oil come in, compresses the second hydraulic oil plug cylinder（2）Piston move up, the second hydraulic oil
Plug cylinder（2）Piston rod pass through corresponding crank on connecting rod band dynamic crankshaft and rotate, meanwhile, the second hydraulic oil plug cylinder（2）Oil
Hole（2.1）Fuel tap is sent by distributor（4）First input end corresponding interface（4.1）It is back to fuel tank；
C. work as motor body（1）Interior second hydraulic oil plug cylinder（2）Piston rod drive hinged crank to rotate again by connecting rod
When 120 °, motor body（1）Interior 3rd hydraulic oil plug cylinder（2）Lower oilhole（2.2）By distributor inlet valve（3）Second is defeated
Go out to hold corresponding interface（3.2）The hydraulic oil come in, compresses the 3rd hydraulic oil plug cylinder（2）Piston move up, the 3rd hydraulic oil
Plug cylinder（2）Piston rod pass through corresponding crank on connecting rod band dynamic crankshaft and rotate, meanwhile, the 3rd hydraulic oil plug cylinder（2）Oil
Hole（2.1）Fuel tap is sent by distributor（4）First input end corresponding interface（4.1）It is back to fuel tank；
D. work as motor body（1）Interior 3rd hydraulic oil plug cylinder（2）Piston rod drive hinged crank to rotate again by connecting rod
When 120 °, to the first hydraulic oil plug cylinder（2）Lower oilhole（2.2）By distributor inlet valve（3）Second output end corresponding interface
（3.2）The hydraulic oil come in, compresses the first hydraulic oil plug cylinder（2）Piston move up, complete corresponding crank on bent axle and turn
Dynamic one week；
3）Wherein, with each hydraulic oil plug cylinder（2）Upper oil hole（2.1）Corresponding distributor inlet valve（3）First output end interface
（3.1）, drive distributor inlet valve valve rod to rotate by master gear, distributor inlet valve distribution gear on bent axle, distributor enters
Fuel tap valve rod presses corresponding first crank on bent axle, the second crank, the 3rd crank rotation hexagonal angle, by the hydraulic oil of compressor
The allocated device inlet valve（3）Input be sequentially the first hydraulic oil plug cylinder（2）, the second hydraulic oil plug cylinder（2）, the 3rd hydraulic oil
Plug cylinder（2）Upper cylinder half delivery hydraulic pressure oil；
Meanwhile, with each hydraulic oil plug cylinder（2）Lower oilhole（2.2）Fuel tap sent by the distributor of corresponding connection（4）Second input termination
Mouthful（4.2）, by master gear on bent axle, send fuel tap distribution gear to drive send fuel tap valve rod to rotate, send pressing of fuel tap valve rod synchronization
On bent axle, corresponding first crank, the second crank, the 3rd crank rotate hexagonal angle, sequentially connect the first hydraulic oil plug cylinder（2）,
Two hydraulic oil plug cylinders（2）, the 3rd hydraulic oil plug cylinder（2）Lower oilhole（2.2）Hydraulic oil, sends fuel tap by distributor（4）Defeated
Go out end and be delivered to fuel tank；
With each hydraulic oil plug cylinder（2）Lower oilhole（2.2）Corresponding distributor inlet valve（3）Second output end interface（3.2）, with
The rotation of distributor inlet valve valve rod, distributor inlet valve valve rod presses corresponding first crank on bent axle, the second crank, the 3rd song
It is the first hydraulic oil plug cylinder that handle sequentially rotates hexagonal angle order（2）, the second hydraulic oil plug cylinder（2）, the 3rd hydraulic oil plug cylinder（2）'s
Lower cylinder delivery hydraulic pressure oil；
Meanwhile, with each hydraulic oil plug cylinder（2）Upper oil hole（2.1）Fuel tap sent by corresponding distributor（4）First input end interface
（4.1）, with the rotation sending fuel tap valve rod, send fuel tap valve rod to turn by the first crank corresponding on bent axle, the second crank, the 3rd crank
Dynamic hexagonal angle, sequentially connects the first hydraulic oil plug cylinder（2）, the second hydraulic oil plug cylinder（2）, the 3rd hydraulic oil plug cylinder（2）Oil
Hole（2.1）Hydraulic oil, sends fuel tap by distributor（4）Output end be delivered to fuel tank；
By distributor inlet valve（3）To the first hydraulic oil plug cylinder（2）, the second hydraulic oil plug cylinder（2）, the 3rd hydraulic oil plug cylinder
（2）Upper cylinder half, the continuous oil transportation of lower cylinder, and distributor sends fuel tap（4）To the first hydraulic oil plug cylinder（2）, the second hydraulic oil plug cylinder
（2）, the 3rd hydraulic oil plug cylinder（2）Upper cylinder half, lower cylinder continuous to fuel tank send oil；First hydraulic oil plug cylinder（2）, the second hydraulic oil
Plug cylinder（2）, the 3rd hydraulic oil plug cylinder（2）Piston drive corresponding first crank, the second crank, the 3rd crank on bent axle continuous
Rotate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410210464.5A CN104047799B (en) | 2014-05-19 | 2014-05-19 | Multiple-stroke hydraulic engine and working method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410210464.5A CN104047799B (en) | 2014-05-19 | 2014-05-19 | Multiple-stroke hydraulic engine and working method |
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| CN104047799B true CN104047799B (en) | 2017-02-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105275733A (en) * | 2015-05-10 | 2016-01-27 | 大连海事大学 | Linear type piston rod hydraulic motor |
| CN105952835B (en) * | 2016-07-11 | 2019-07-09 | 广东省机械研究所 | Damper half spherical piston bar connecting pin quick-locking device |
| CN106837939B (en) * | 2017-03-08 | 2018-06-01 | 张海 | hydraulic power system |
| CN112900203A (en) * | 2021-01-20 | 2021-06-04 | 张卫兵 | Road surface tamping device for highway engineering construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3563032A (en) * | 1970-03-27 | 1971-02-16 | R Lapointe | Hydrostatic pressure prime mover |
| US4162614A (en) * | 1977-09-13 | 1979-07-31 | J.J.J. Air Injection Systems | Pressure fluid operated power plant |
| CN2317332Y (en) * | 1997-06-10 | 1999-05-05 | 刘光 | Hydraulic engine |
| US6065945A (en) * | 1998-03-03 | 2000-05-23 | Zamzow; Charles W. | Hydraulic engine |
| CN2700596Y (en) * | 2003-08-13 | 2005-05-18 | 齐靖玉 | Environment protection hydraulic power machine |
| NZ561299A (en) * | 2007-09-06 | 2010-01-29 | Watersmart Ltd | Multi-port valve |
| CN101387261A (en) * | 2007-09-11 | 2009-03-18 | 张健 | Fluid-pressure conversion machine |
| CN203879678U (en) * | 2014-05-19 | 2014-10-15 | 王春栓 | Multi-stroke hydraulic engine |
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