CN105642808B - Energy saver is braked and fed at a slow speed to forging roll - Google Patents
Energy saver is braked and fed at a slow speed to forging roll Download PDFInfo
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- CN105642808B CN105642808B CN201511022117.0A CN201511022117A CN105642808B CN 105642808 B CN105642808 B CN 105642808B CN 201511022117 A CN201511022117 A CN 201511022117A CN 105642808 B CN105642808 B CN 105642808B
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- control valve
- directional control
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- valve
- way directional
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/10—Drives for forging presses
- B21J9/20—Control devices specially adapted to forging presses not restricted to one of the preceding subgroups
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses it is a kind of forging roll can be braked when jackshaft rotational kinetic energy carry out recycling storage, and the energy of storage is applied to the feeding at a slow speed of forging roll, feeds so as to fulfill energy saving forging roll braking and at a slow speed energy saver.Energy saver is braked and fed at a slow speed to the forging roll, including jackshaft, forging roll that forging roll has are braked and feed energy saver at a slow speed, further include hydraulic motor, energy storing hydraulic controlling systems, hydraulic accumulator；The hydraulic motor is sequentially connected with jackshaft；There is hydraulic oil in the hydraulic accumulator；The pressure potential of hydraulic oil is mutually changed in the rotational kinetic energy and hydraulic accumulator that the hydraulic motor passes through energy storing hydraulic controlling systems forging roll jackshaft, or jackshaft drives hydraulic motor to be servo-actuated.Braked using the forging roll and feed energy saver at a slow speed, the energy can be saved, reduce the processing cost and maintenance cost of equipment, improve the production efficiency of forging roll.
Description
Technical field
The present invention relates to a kind of brake apparatus of forging roll, energy saving dress is braked and fed at a slow speed to especially a kind of forging roll
Put.
Background technology
It is known：The brake apparatus for the existing forging roll applied on heavy machinery industry hot forging forging line is to rub
Brake (generally comprising floating type and two kinds of block insert type) is wiped, its operation principle is produced by application friction plate and brake disc friction
Raw moment of friction is braked.On the one hand the energy production heat volatilization of this mode of braking braking, not only causes energy dissipation,
Also have a negative impact surrounding environment (noise, temperature, dust etc.), friction plate is produced abrasion, it is necessary to existing
Field service worker is according to wear extent periodic adjustment, and (service life is general for the friction plate that must also more renew after friction to a certain extent
For 2 years or so).This mode of braking not only adds workload to service worker, reduces the productivity of forging roll, also to use
Family brings economic loss.
Domestic user reduces economic loss to improve the productivity of forging roll at present, usually selects the import that the service life is higher
Friction plate is to extend the service life of friction plate, and increase maintenance cycle so that increase the economic benefit of equipment to a certain extent.
But the rough sledding of such a mode of braking is not improved fundamentally.For this reason, it is roll forging to be badly in need of developing a kind of brand-new structure
Machine provides braking torque, fundamentally improves the energy loss and adverse effect produced using friction disc brake forging roll.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of rotational kinetic energy of jackshaft when can forging roll be braked
Recycling storage is carried out, and the energy of storage is applied to the feeding at a slow speed of forging roll, is braked so as to fulfill energy saving forging roll
And energy saver is fed at a slow speed.
The technical solution adopted by the present invention to solve the technical problems is：Energy saver is braked and fed at a slow speed to forging roll,
Jackshaft, the forging roll having including forging roll are braked and feed energy saver at a slow speed, further include hydraulic motor, energy-storage hydraulic control
System processed, hydraulic accumulator；
The hydraulic motor is sequentially connected with jackshaft；There is hydraulic oil in the hydraulic accumulator；
Liquid in the rotational kinetic energy and hydraulic accumulator that the hydraulic motor passes through energy storing hydraulic controlling systems jackshaft
The pressure potential of pressure oil is mutually changed, or jackshaft drives hydraulic motor to be servo-actuated.
Further, the energy storing hydraulic controlling systems include hydraulic valve bank, motor bridge, fuel tank, check valve, repairing dress
Put；
The hydraulic valve bank, including the control of safety valve, two position three way directional control valve A, two position three way directional control valve B, bi-bit bi-pass
Valve A, two position three way directional control valve C, bi-bit bi-pass control valve B, three position four-way directional control valve, two position three way directional control valve D；
The hydraulic motor has the first oil inlet, the second oil inlet and drain tap；
Motor bridge is provided between first oil inlet and the second oil inlet；The motor bridge is connected with fuel tank,
The drain tap is communicated to fuel tank；
Pass through two position three way directional control valve A, two position three way directional control valve B between the hydraulic accumulator and the first oil inlet successively
Connection；
There are two paths between the two position three way directional control valve A and two position three way directional control valve C；The two-position three way commutation
Valve A directly connects to form the first path with two position three way directional control valve C, the two position three way directional control valve A and two position three way directional control valve C
Between successively by three position four-way directional control valve, bi-bit bi-pass control valve formed alternate path；
Second oil inlet is communicated to fuel tank, and two-position three way commutation is disposed between the second oil inlet and fuel tank
Valve C, check valve, recharging oil device, two position three way directional control valve D；
There are two paths between the two position three way directional control valve D and two position three way directional control valve C；The two-position three way commutation
Valve D connects to form the first path by three position four-way directional control valve, bi-bit bi-pass control valve B with two position three way directional control valve C successively, institute
Two position three way directional control valve C is stated to connect to form alternate path with two position three way directional control valve D by check valve, recharging oil device successively；
The hydraulic accumulator is connected by safety valve with fuel tank.
Further, the recharging oil device includes motor, hydraulic pump, overflow valve；The hydraulic pump be arranged on check valve with
Between two position three way directional control valve D, the motor is connected with hydraulic pump driving；The overflow valve be arranged on check valve and hydraulic pump it
Between.
Further, it is provided with first pressure relay between hydraulic accumulator and the two position three way directional control valve A；It is described
Second pressure relay is provided between check valve and two position three way directional control valve C.
Further, it is provided with one-way speed-regulating valve between the two position three way directional control valve D and three position four-way directional control valve.
Further, the two position three way directional control valve A, two position three way directional control valve B, two position three way directional control valve C, two-position three way
Reversal valve D uses two-position three way reversing solenoid valve；The bi-bit bi-pass control valve A, bi-bit bi-pass control valve B use two
Two-way controls solenoid valve；The three position four-way directional control valve 77 uses 3-position 4-way reversing solenoid valve..
Further, the jackshaft is connected by shaft coupling with hydraulic motor transmission.
The beneficial effects of the invention are as follows：Forging roll provided by the invention is braked and feeds energy saver at a slow speed, in jackshaft
One end installation hydraulic motor, hydraulic motor existed the kinetic energy storage during intermediate shaft brake by energy storing hydraulic controlling systems
In the hydraulic oil of hydraulic accumulator；So as to fulfill to the energy regenerating in forging roll braking procedure, while pass through energy-storage hydraulic control
System processed enables to hydraulic motor to feed the potential energy being stored in the hydraulic oil of hydraulic accumulator at a slow speed for forging roll
During power；So as to fulfill to the recycling to recover energy.Therefore forging roll of the present invention is braked and fed at a slow speed
Energy saver, can recycle and brake the wasted energy and be used in the feeding at a slow speed of forging roll, so as to save the energy.Avoid
The mode of braking of friction brakes is used in traditional braking device, reduces the processing cost of equipment.Due to no friction plate
Deng consumptive material, reduce the workload of service worker, improve the utilization rate of forging roll, and then economic benefit is improved for user；And
The apparatus structure is simple, easy to operate.
Brief description of the drawings
Fig. 1 is that the mechanical structure schematic diagram of energy saver is braked and fed at a slow speed to forging roll in the embodiment of the present invention；
Fig. 2 is the hydraulic schematic diagram in the embodiment of the present invention under normal conditions；
Hydraulic schematic diagram when hydraulic motor is servo-actuated in forging roll work in Fig. 3 embodiment of the present invention；
Hydraulic schematic diagram when forging roll is braked in Fig. 4 embodiment of the present invention；
The hydraulic schematic diagram that hydraulic motor rotates forward in forging roll work in Fig. 5 embodiment of the present invention；
The hydraulic schematic diagram that hydraulic motor inverts in forging roll work in Fig. 6 embodiment of the present invention；
Indicated in figure：1- racks, 2- jackshafts, 3- hydraulic motors, the first oil inlets of 31-, the second oil inlets of 32-, 33- are let out
Hydraulic fluid port, 4- shaft couplings, 5- energy storing hydraulic controlling systems, 51- motor bridges, 52- fuel tanks, 53- first pressure relays, 54-
Two pressure switches, 6- hydraulic accumulators, 7- hydraulic valve banks, 71- safety valves, 72- two position three way directional control valves A, 73- two-position three way
Reversal valve B, 74- bi-bit bi-pass control valve A, 75- two position three way directional control valve C, 76- bi-bit bi-pass control valve B, 77- 3-position 4-way
Reversal valve, 78- two position three way directional control valves D, 79- one-way speed-regulating valve, 8- clutches, 9- flywheels.
Embodiment
The present invention is further described with reference to the accompanying drawings and examples.
As shown in Figure 1 and Figure 2, forging roll of the present invention is braked and feeds energy saver at a slow speed, including forging roll has
Jackshaft 2, forging roll braking and feed energy saver at a slow speed, further include hydraulic motor 3, energy storing hydraulic controlling systems 5, hydraulic pressure
Accumulator 6；
The hydraulic motor 3 is sequentially connected with jackshaft 2；There is hydraulic oil in the hydraulic accumulator 6；
The rotational kinetic energy and hydraulic accumulator 6 that the hydraulic motor 3 passes through 5 jackshaft 2 of energy storing hydraulic controlling systems
The pressure potential of interior hydraulic oil is mutually changed, or jackshaft 2 drives hydraulic motor 3 servo-actuated.
The main function of the energy storing hydraulic controlling systems 5 is the steering for controlling hydraulic motor 3 so that 3 energy of hydraulic motor
Enough when forging roll is braked, the pressure potential that the rotational kinetic energy of jackshaft 2 is converted into hydraulic oil is stored in hydraulic accumulator 6
In.At the same time during forging roll is fed at a slow speed, by discharging the pressure potential of hydraulic oil in hydraulic accumulator 6, in driving
Countershaft 2 rotates.So as to fulfill the mutual conversion of the kinetic energy and the pressure potential of hydraulic oil in hydraulic accumulator 6 of jackshaft 2.At the same time
The idle running of hydraulic motor 3 can be realized when jackshaft 2 is in roller state；So that jackshaft 2 drives hydraulic motor 3 servo-actuated.
During work：When forging roll is in roller state, hydraulic motor 3 dallies, the kinetic energy and liquid of jackshaft 2
The pressure potential of hydraulic oil is mutually converted without any in pressure accumulator 6；Jackshaft 2 drives hydraulic motor 3 servo-actuated.
When forging roll is braked, jackshaft 2 drives hydraulic motor 3 to rotate, and hydraulic motor 3 is to the hydraulic pressure in hydraulic motor 3
Oil pressurization, the hydraulic oil after pressurization is stored in hydraulic accumulator 6, so that the kinetic energy of jackshaft 2 is converted into hydraulic oil
Interior pressure potential, and stored.
When forging roll is fed at a slow speed, the high pressure liquid pressure oil that is stored in hydraulic accumulator 6 so that hydraulic motor 3 rotates,
Hydraulic motor 3 drives jackshaft 2 to rotate；So as to which the pressure potential in hydraulic oil is converted into the kinetic energy that jackshaft 2 rotates.
In conclusion energy saver is braked and fed at a slow speed to forging roll of the present invention, installed in one end of jackshaft 2
Hydraulic motor 3, hydraulic motor 3 are stored the kinetic energy storage in 2 braking procedure of jackshaft in hydraulic pressure by energy storing hydraulic controlling systems 5
In the hydraulic oil of energy device 6；So as to fulfill to the energy regenerating in forging roll braking procedure, while pass through energy storing hydraulic controlling systems
5 enable to hydraulic motor 3 that the potential energy being stored in the hydraulic oil of hydraulic accumulator 6 is fed at a slow speed process for forging roll
In power；So as to fulfill to the recycling to recover energy.Therefore forging roll of the present invention is braked and fed at a slow speed energy saving
Device, can recycle and brake the wasted energy and be used in the feeding at a slow speed of forging roll, so as to save the energy.Avoid tradition
The mode of braking of friction brakes is used in brake apparatus, reduces the processing cost of equipment.Since no friction plate etc. consumes
Material, reduces the workload of service worker, improves the utilization rate of forging roll, and then improve economic benefit for user；And the dress
Put it is simple in structure, it is easy to operate.
The energy storing hydraulic controlling systems 5 can realize the control turned to hydraulic motor 4 by a variety of hydraulic circuits.Its
A kind of middle specific mode is as shown in Fig. 2, the energy storing hydraulic controlling systems 5 include hydraulic valve bank 7, motor bridge 51, fuel tank
52nd, check valve 55, recharging oil device 56；
The hydraulic valve bank 7 include safety valve 71, two position three way directional control valve A72, two position three way directional control valve B73, two two
Logical control valve A74, two position three way directional control valve C75, bi-bit bi-pass control valve B76, three position four-way directional control valve 77, two-position three way commutation
Valve D78；
The hydraulic motor 3 has the first oil inlet 31, the second oil inlet 32 and drain tap 33；
Motor bridge 51 is provided between first oil inlet, 31 and second oil inlet 32；The motor bridge 51 and oil
Case 52 connects, and the drain tap 33 is communicated to fuel tank 52；
Changed successively by two position three way directional control valve A72, two-position three way between 6 and first oil inlet 31 of hydraulic accumulator
Connected to valve B73；
There are two paths between the two position three way directional control valve A72 and two position three way directional control valve B73；The two-position three way
Reversal valve A72 directly connects to form the first path with two position three way directional control valve B73, the two position three way directional control valve A72 and two
Between three-way diverter valve B73 alternate path is formed by three position four-way directional control valve 77, bi-bit bi-pass control valve 74 successively；
Second oil inlet 32 is communicated to fuel tank 52, and is disposed with two between the second oil inlet 32 and fuel tank 52
Three-way diverter valve C75, check valve 55, recharging oil device 56, two position three way directional control valve D78；
There are two paths between the two position three way directional control valve D78 and two position three way directional control valve C75；The two-position three way
Reversal valve D78 connects shape by three position four-way directional control valve 77, bi-bit bi-pass control valve B76 with two position three way directional control valve C75 successively
Into the first path, the two position three way directional control valve C75 passes through check valve 55, recharging oil device 56 and two position three way directional control valve successively
D78 connects to form alternate path；
The hydraulic accumulator 6 is connected by safety valve 71 with fuel tank 52.
Using energy storing hydraulic controlling systems 5 described above during work：
1) under normal conditions, two position three way directional control valve B73 is connected with bi-bit bi-pass control valve A74 at this time；Two-position three way commutates
Valve C75 is connected with bi-bit bi-pass control valve B76；Bi-bit bi-pass control valve A74 and bi-bit bi-pass control valve B76 is in closing shape
State, therefore the first oil inlet 31 of 3 both sides of hydraulic motor and the second oil inlet 32 are in air-tight state, thus limit hydraulic pressure horse
Up to 3 rotation, when forging roll is in shutdown status, jackshaft 2 is in locking state, and then limits the rotation of forging roller, plays safety
The effect of protection, at this time motor bridge 51 play the role of overload protection.
2) when clutch is connected, driving jackshaft 2 rotates, and when forging roll enters roll forging state, hydraulic motor 3 needs to locate at this time
In servo-actuated state, as shown in Figure 3.At this time, bi-bit bi-pass control valve A74 and bi-bit bi-pass control valve B76 is turned in open-minded
State；
Two position three way directional control valve B73 is connected with bi-bit bi-pass control valve A74；Bi-bit bi-pass control valve A74 and 3-position 4-way
Reversal valve 77 connects；Two position three way directional control valve C75 is connected with bi-bit bi-pass control valve B76；Bi-bit bi-pass control valve B76 and three
Four-way reversing valve 77 connects；The three position four-way directional control valve 77 is in middle position.
The first oil inlet 31 of 3 both sides of hydraulic motor and the second oil inlet 32 are in connected state at this time, therefore can be real
It is now servo-actuated with jackshaft 2.In order to supplement the hydraulic oil of hydraulic motor leakage, two position three way directional control valve D78 connection 52 Hes of fuel tank
Three position four-way directional control valve 77, makes motor both sides oil pocket directly be connected with fuel tank 52.
3) when forging roll, which completes roll forging, needs braking, hydraulic accumulator 6 recovers energy.
Clutch 8 is connected at this time so that jackshaft 2 is sequentially connected with flywheel 9；Flywheel 9 drives jackshaft 2 to rotate.Such as Fig. 4
Shown, second oil inlet 32 is changed by two position three way directional control valve C75, check valve 55, recharging oil device 56, two-position three way successively
Connected to valve D78 with fuel tank 52；First oil inlet 31 is successively by two position three way directional control valve B73, two position three way directional control valve
A72 is connected with hydraulic accumulator 6.
The rotation of jackshaft 2 is rotated as power source drive hydraulic motor 3, and hydraulic oil commutates from fuel tank 52 by two-position three way
Valve D78, recharging oil device 56, check valve 55, two position three way directional control valve C75 enter the second oil inlet 32 of hydraulic motor 3；By
Hydraulic motor 3 is pressurized into high pressure oil.The high pressure oil formed in the hydraulic motor 3 successively by two position three way directional control valve B73, two
Three-way diverter valve A72 is entered in hydraulic accumulator 6, is stored in so as to convert kinetic energy into pressure energy in hydraulic accumulator 6.
The hydraulic accumulator 6 is connected by safety valve 71 with fuel tank 52.The safety valve 71 is used for adjusting hydraulic energy-accumulating
6 upper limit of pressure of device；Recharging oil device 56 provides high velocity, low pressure hydraulic oil for hydraulic motor 3 at the same time, avoids motor intake side from producing
Cavitation.
4) when feeding at a slow speed and needing hydraulic motor 3 to rotate forward
The energy recycled in the braking mode using hydraulic accumulator 6 drives hydraulic motor 3, releases energy.Such as Fig. 5 institutes
Show,
Three position four-way directional control valve 77 is so that bi-bit bi-pass control valve B76 is connected with two position three way directional control valve A72 at this time；At the same time
So that two position three way directional control valve D78 is connected with bi-bit bi-pass control valve A74；
First oil inlet 31 is successively by two position three way directional control valve B73, bi-bit bi-pass control valve A74,3-position 4-way commutation
Valve 77, two position three way directional control valve D78 are connected with fuel tank 52.
Second oil inlet 32 is successively by two position three way directional control valve C75, bi-bit bi-pass control valve B76,3-position 4-way commutation
Valve 77, two position three way directional control valve A72 are connected with hydraulic accumulator 6.
At this time, the high pressure oil in hydraulic accumulator 6 is as power source, high pressure oil successively by two position three way directional control valve A72,
Three position four-way directional control valve 77, bi-bit bi-pass control valve B76, two position three way directional control valve C75 enter the second oil inlet of hydraulic motor 3
Mouth 32, driving hydraulic motor 3 rotate, and realize that rotating forward for hydraulic motor 3 feeds so as to drive jackshaft 2 to realize at a slow speed.Through
The low-pressure hydraulic oil after hydraulic motor 3 is crossed to be controlled by two position three way directional control valve B73, bi-bit bi-pass successively by the first oil inlet 31
Valve A74, three position four-way directional control valve 77, two position three way directional control valve D78 are flowed into fuel tank 52.
5) when feeding at a slow speed and needing hydraulic motor 3 to reversely rotate, what hydraulic circuit was rotated forward with hydraulic motor 3
It is identical, only connected by 77 bi-bit bi-pass control valve B76 of three position four-way directional control valve with two position three way directional control valve D78；At the same time
So that two position three way directional control valve A72 is connected with bi-bit bi-pass control valve A74；Motor can be achieved to reversely rotate, operation is very square
Just.
As shown in fig. 6, the first oil inlet 31 is successively by two position three way directional control valve B73, bi-bit bi-pass control valve A74, three
Position and four-way reversing valve 77, two position three way directional control valve A72 are connected with hydraulic accumulator 6.
Second oil inlet 32 is successively by two position three way directional control valve C75, bi-bit bi-pass control valve B76,3-position 4-way commutation
Valve 77, two position three way directional control valve D78 are connected with fuel tank 52.
By in the above-mentioned course of work 3) when forging roll complete roll forging need braking when, hydraulic accumulator 6 recycles
Energy.Realize the recycling storage to braking kinetic energy, during the work time 4) and 5) in realize and recover energy to hydraulic accumulator 6
Recycling so as to having saved the energy.
The main function of the recharging oil device 56 is to provide high velocity, low pressure hydraulic oil for hydraulic motor 3, avoids motor oil suction
Side produces cavitation.For the ease of the operation of recharging oil device 56, specifically, the recharging oil device 56 includes motor 563, hydraulic pump
562nd, overflow valve 561；The hydraulic pump 562 is arranged between check valve 55 and two position three way directional control valve D78, the motor 563
It is sequentially connected with hydraulic pump 562；The overflow valve 561 is arranged between check valve 55 and hydraulic pump 562.
Required pressure difference is rotated in order to be precisely controlled hydraulic motor 3 so that forging roller returns to zero-bit.Further, institute
State and first pressure relay 53 is provided between hydraulic accumulator 6 and two position three way directional control valve A72；The check valve 55 and two
Second pressure relay 54 is provided between three-way diverter valve C75.Pass through first pressure relay 53 and second pressure relay
54 detect the pressure difference of 32 side of 31 side of the first oil inlet and the second oil inlet respectively, control overflow valve 561 are fed back, so that hydraulic pressure
Motor 3 obtains required pressure difference, so as to obtain required braking moment, forging roller is returned to zero-bit.
For the ease of adjusting the speed fed at a slow speed, further, the two position three way directional control valve D78 is changed with 3-position 4-way
To being provided with one-way speed-regulating valve 79 between valve 77.
For the ease of control, further, the two position three way directional control valve A72, two position three way directional control valve B73, two three
Logical reversal valve C75, two position three way directional control valve D78 use two-position three way reversing solenoid valve；The bi-bit bi-pass control valve A74,
Bi-bit bi-pass control valve B76 is using bi-bit bi-pass control solenoid valve；The three position four-way directional control valve 77 is changed using 3-position 4-way
To solenoid valve.
In order to carry out driving protection to jackshaft 2 and hydraulic motor 3, further, the jackshaft 2 passes through shaft coupling 4
It is sequentially connected with hydraulic motor 3.
Claims (6)
1. forging roll is braked and feeds energy saver at a slow speed, including jackshaft (2) that forging roll has, it is characterized in that：Also wrap
Include hydraulic motor (3), energy storing hydraulic controlling systems (5), hydraulic accumulator (6)；
The hydraulic motor (3) is sequentially connected with jackshaft (2)；There is hydraulic oil in the hydraulic accumulator (6)；
The rotational kinetic energy and hydraulic accumulator that the hydraulic motor (3) passes through energy storing hydraulic controlling systems (5) jackshaft (2)
(6) pressure potential of interior hydraulic oil is mutually changed, or jackshaft (2) drives hydraulic motor (3) servo-actuated；
The energy storing hydraulic controlling systems (5) include hydraulic valve bank (7), motor bridge (51), fuel tank (52), check valve (55),
Recharging oil device (56)；
The hydraulic valve bank (7) includes safety valve (71), two position three way directional control valve A (72), two position three way directional control valve B (73), two
Position two-way control valve A (74), two position three way directional control valve C (75), bi-bit bi-pass control valve B (76), three position four-way directional control valve (77),
Two position three way directional control valve D (78)；
The hydraulic motor (3) has the first oil inlet (31), the second oil inlet (32) and drain tap (33)；
Motor bridge (51) is provided between first oil inlet (31) and the second oil inlet (32)；The motor bridge (51)
Connected with fuel tank (52), the drain tap (33) is communicated to fuel tank (52)；
Successively by two position three way directional control valve A (72), two-position three way between the hydraulic accumulator (6) and the first oil inlet (31)
Reversal valve B (73) is connected；
There are two paths between the two position three way directional control valve A (72) and two position three way directional control valve B (73)；The two-position three way
Reversal valve A (72) is directly connected with two position three way directional control valve B (73) and is formed the first path, the two position three way directional control valve A (72)
Between two position three way directional control valve B (73) the is formed by three position four-way directional control valve (77), bi-bit bi-pass control valve A (74) successively
Two paths；
Second oil inlet (32) is communicated to fuel tank (52), and is disposed between the second oil inlet (32) and fuel tank (52)
Two position three way directional control valve C (75), check valve (55), recharging oil device (56), two position three way directional control valve D (78)；
There are two paths between the two position three way directional control valve D (78) and two position three way directional control valve C (75)；The two-position three way
Reversal valve D (78) is successively by three position four-way directional control valve (77), bi-bit bi-pass control valve B (76) and two position three way directional control valve C
(75) connection formed the first path, the two position three way directional control valve C (75) successively by check valve (55), recharging oil device (56) with
Two position three way directional control valve D (78) connections form alternate path；
The hydraulic accumulator (6) is connected by safety valve (71) with fuel tank (52).
2. energy saver is braked and fed at a slow speed to forging roll as claimed in claim 1, it is characterised in that：The recharging oil device
(56) motor (563), hydraulic pump (562), overflow valve (561) are included；The hydraulic pump (562) is arranged on check valve (55) and two
Between position three-way diverter valve D (78), the motor (563) is sequentially connected with hydraulic pump (562)；The overflow valve (561) is set
Between check valve (55) and hydraulic pump (562).
3. energy saver is braked and fed at a slow speed to forging roll as claimed in claim 2, it is characterised in that：The hydraulic accumulator
(6) first pressure relay (53) is provided between two position three way directional control valve A (72)；The check valve (55) and two-position three way
Second pressure relay (54) is provided between reversal valve C (75).
4. energy saver is braked and fed at a slow speed to forging roll as claimed in claim 1, it is characterised in that：The two-position three way changes
To being provided with one-way speed-regulating valve (79) between valve D (78) and three position four-way directional control valve (77).
5. energy saver is braked and fed at a slow speed to the forging roll as described in any one claim in Claims 1-4, it is special
Sign is：The two position three way directional control valve A (72), two position three way directional control valve B (73), two position three way directional control valve C (75), two three
Logical reversal valve D (78) uses two-position three way reversing solenoid valve；The bi-bit bi-pass control valve A (74), bi-bit bi-pass control valve B
(76) using bi-bit bi-pass control solenoid valve；The three position four-way directional control valve (77) uses 3-position 4-way reversing solenoid valve.
6. energy saver is braked and fed at a slow speed to forging roll as claimed in claim 1, it is characterised in that：The jackshaft (2)
It is sequentially connected by shaft coupling (4) and hydraulic motor (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511022117.0A CN105642808B (en) | 2015-12-30 | 2015-12-30 | Energy saver is braked and fed at a slow speed to forging roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| JP5229290B2 (en) * | 2010-09-28 | 2013-07-03 | 株式会社アドヴィックス | Brake device for vehicle |
| CN102616694A (en) * | 2012-03-29 | 2012-08-01 | 中联重科股份有限公司 | Hydraulic control loop of winding mechanism |
| CN102758813B (en) * | 2012-08-01 | 2014-12-31 | 三一重工股份有限公司 | Energy-recovery hydraulic system and engineering machinery |
| EP2951359B1 (en) * | 2013-01-30 | 2017-10-04 | Parker Hannifin Corporation | Hydraulic hybrid swing drive system for excavators |
| ITVI20130060A1 (en) * | 2013-03-08 | 2014-09-09 | Omera S R L | PRESS FOR COMPONENT PROCESSING, IN PARTICULAR METAL COMPONENTS. |
| CN103790875B (en) * | 2014-02-28 | 2015-09-30 | 吉林大学 | A kind of Hydraulic Power Transmission System allowing energy regenerating |
| CN105059274B (en) * | 2015-08-12 | 2018-03-20 | 王林翔 | A kind of vehicle energy conversion and recovery device |
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