CN207621091U - A kind of rolling mill hydraulic system - Google Patents
A kind of rolling mill hydraulic system Download PDFInfo
- Publication number
- CN207621091U CN207621091U CN201721457606.3U CN201721457606U CN207621091U CN 207621091 U CN207621091 U CN 207621091U CN 201721457606 U CN201721457606 U CN 201721457606U CN 207621091 U CN207621091 U CN 207621091U
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- Prior art keywords
- oil
- valve
- accumulator
- fuel tank
- cylinder
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Abstract
A kind of rolling mill hydraulic system, including fuel tank, filtration system and control system;For filtration system for being filtered to oil, control system includes variable pump, accumulator, milling train cut-out cylinder and punching cylinder;The oil inlet of variable pump is connected to accumulator from fuel tank oil suction, the oil outlet of variable pump by pipeline, and it further includes pressure regulator valve, off-load safety valve and safety pressure-limiting valve that the oil outlet of accumulator is connected to milling train to cut off cylinder and punching cylinder, the control system by pipeline;The pressure regulator valve is arranged on variable pump, and the oil outlet in accumulator is arranged in the off-load safety valve, and control accumulator cuts off milling train the execution pressure of cylinder and punching cylinder;The safety pressure-limiting valve is arranged on accumulator, and control oil stream enters fuel tank.The utility model has the advantages that service life length, energy conservation and environmental protection, safe, at low cost.
Description
Technical field
The utility model is related to a kind of rolling mill hydraulic systems, belong to milling train cut-out apparatus field.
Background technology
Milling train cut-out equipment domestic at present is primarily present Railway Project, one, rolling mill hydraulic system fall behind, energy consumption is big, dissipates
Hot more, uneconomical environmental protection;It is fragile, short life, maintenance cost height;Safety is low;Working efficiency is low.It is relatively connect with the utility model
Close is original-pack German import rolling mill hydraulic system, equipment cost costly, about 500,000 or so.
Utility model content
The utility model efficiently solves original and sets in view of the deficienciess of the prior art, provide a kind of rolling mill hydraulic system
Standby electricity is high, and fever is big, and for energy without concentrating used in the time and position needed, cost of labor and maintenance cost are high, dangerous
High problem, while the stability of production line is enhanced, the maintenance frequency of equipment is reduced, production efficiency, energy efficiency are improved.
The technical solution that the utility model solves above-mentioned technical problem is as follows:A kind of rolling mill hydraulic system, including fuel tank, mistake
Filter system and control system;For filtration system for being filtered to oil, control system includes variable pump, accumulator, milling train cut-out
Cylinder and punching cylinder;The oil inlet of variable pump is connected to accumulator from fuel tank oil suction, the oil outlet of variable pump by pipeline, accumulator
It further includes pressure regulator valve, off-load safety valve and peace that oil outlet is connected to milling train to cut off cylinder and punching cylinder, the control system by pipeline
Full pressure limiting valve;The pressure regulator valve is arranged on variable pump, and the oil outlet in accumulator is arranged in the off-load safety valve, and control stores
Energy device cuts off milling train the execution pressure of cylinder and punching cylinder;The safety pressure-limiting valve is arranged on accumulator, and control oil stream enters oil
Case.
Through the above technical solutions, quickly providing hydraulic power by accumulator, without starting motor always, solve
Energy loss is big, and fever is serious, maintenance cost high the problems such as time-consuming.Filtration system and control system, control system are set
It is controlled for three stage pressures, including pressure regulator valve, off-load safety valve and safety pressure-limiting valve.The control of three stage pressures improves system safety etc.
Grade, extends system service life, and ensure operator's personal safety, the life for bringing the product of reliable in quality for enterprise and stablizing
Produce rhythm.
The utility model is further arranged to, and the filtration system includes oil absorption filter;The oil absorption filter into
Hydraulic fluid port is arranged in fuel tank, and oil absorption filter is connected to the oil inlet of variable pump.
The utility model is further arranged to, and the filtration system includes high pressure filter;The high pressure filter setting
On the pipeline of variable pump and accumulator.
The utility model is further arranged to, and unloading electromagnetic valve is housed on the pipeline of the high pressure filter and accumulator.
The utility model is further arranged to, and the filtration system includes recursive filter and circulating filtration pump group;It is described
The oil inlet of circulating filtration pump group is arranged in fuel tank, the oil outlet of the oil inlet connection circulating filtration pump group of recursive filter,
Oil is discharged in fuel tank by the oil outlet of recursive filter.
Through the above technical solutions, independent filter and circulating filtration pump group is arranged, solves oil drive back thread in main system
It is unsmooth to occur oil circuit in road, effectively prevent oil cylinder unstable there is a phenomenon where acting.
The utility model is further arranged to, and the accumulator is equipped with pressure sensor.
The utility model is further arranged to, and the accumulator is switched equipped with manual safety, and control oil stream enters fuel tank.
The utility model is further arranged to, the pipeline between the off-load safety valve and milling train cut-out cylinder and punching cylinder
Upper that solenoid directional control valve is housed, solenoid directional control valve is used to control the direction of milling train cut-out cylinder and punching cylinder.
The utility model is further arranged to, equipped with slow on the pipeline between the off-load safety valve and solenoid directional control valve
Rush regulating valve.
Through the above technical solutions, buffer regulating valve reduces the too big problem of shearing impact power, prevent oil pressure excessive right
Element causes to damage, and reduces oil leak, reduces overhaul of the equipments number, extends element service life.
The utility model is further arranged to, and the control system further includes integrated valve plate, off-load safety valve, electromagnetic switch
Valve, manual safety switch and buffer regulating valve are mounted on integrated valve plate, are integrated valve plate and are equipped with cut-out cylinder connector and punching
Cylinder connector.
Through the above technical solutions, the valve member for realizing different function concentration is designed into an integrated valve plate, change is numerous to be
Simple centralized control reduces pipeline leakage point, and control cost is convenient to check and maintenance, and is conducive to electrical wiring, and design science is beautiful
It sees.
The utility model is further arranged to, and the fuel tank is equipped with temperature sensor, shell is externally provided in fuel tank, in shell
Body is equipped with circulating cooling mouth, and circulating cooling mouth connects low-temperature receiver.
It should be noted that heat dissipation is few when the utility model at work, cooling device need not be generally set, be arranged here
Cooling system is in order to which more one ensure again.If the oil temperature in fuel tank is high, can be cooled down by external low-temperature receiver.
The utility model is further arranged to, and the low-temperature receiver is air-conditioning refrigerator or wind turbine.
The utility model is further arranged to, and the shell designs for chuck, and low-temperature receiver can be passed through in chuck, and low-temperature receiver is cooling
Water or cooling oil.
Description of the drawings
In order to illustrate more clearly of the technical scheme in the embodiment of the utility model, will make below to required in embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the utility model, right
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is the dimensional structure diagram of the utility model;
Fig. 2 is the structure top view of the utility model;
Fig. 3 is the structural front view of the utility model;
Fig. 4 is the structure left view of the utility model;
Fig. 5 is the enlarged drawing that valve plate is integrated in Fig. 3;
Fig. 6 is the enlarged drawing that valve plate is integrated in Fig. 4.
Wherein, 1, fuel tank;2, variable pump;3, accumulator;4, pressure regulator valve;5, off-load safety valve;6, safety pressure-limiting valve;7、
Oil absorption filter;8, high pressure filter;9, unloading electromagnetic valve;10, recursive filter;11, circulating filtration pump group;12, pressure passes
Sensor;13, motor;14, manual safety switchs;15, oil return pipe;16, solenoid directional control valve;17, buffer regulating valve;18, pile-up valve
Plate;19, cylinder connector is cut off;20, punching cylinder connector;21, temperature sensor;22, circulating cooling mouth;23, fuel outlet;24、
Liquid-filled thermometer.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
A kind of rolling mill hydraulic system, including fuel tank 1, filtration system and control system.Filtration system was for carrying out oil
Filter, control system include variable pump 2, accumulator 3, milling train cut-out cylinder and punching cylinder.The oil inlet of variable pump 2 from 1 oil suction of fuel tank,
The oil outlet of variable pump 2 is connected to accumulator 3 by pipeline, and the oil outlet of accumulator 3 is connected to milling train by pipeline and cuts off cylinder and punching
Hole cylinder, control system further include pressure regulator valve 4, off-load safety valve 5 and safety pressure-limiting valve 6.Pressure regulator valve 4 is arranged on variable pump 2, control
The pressure and flow of variable pump 2 processed;The oil outlet in accumulator 3 is arranged in off-load safety valve 5, and control accumulator 3 cuts milling train
The execution pressure of disconnected cylinder and punching cylinder.Safety pressure-limiting valve 6 is arranged on accumulator 3, controls the safe pressure of accumulator 3, control
Oil stream enters fuel tank 1.The utility model heat dissipation is few, need not generally cool down, little power consumption, whole energy loss is low, and variable pump 2 is by motor 13
Driving, motor 13 operate as needed, and 80% or more of the working time is in idle running or standby mode, big to use enterprise to save
Measure cost.
In order to improve system safe class and extend system service life, oil is filtered, filtration system includes oil suction
Filter 7;The oil inlet of oil absorption filter 7 is arranged in fuel tank 1, and oil absorption filter 7 is connected to the oil inlet of variable pump 2.
Filtration system can also include high pressure filter 8;The pipeline in variable pump 2 and accumulator 3 is arranged in high pressure filter 8
On.Unloading electromagnetic valve 9 is installed on the pipeline of high pressure filter 8 and accumulator 3, unloading electromagnetic valve 9 is automatic pressure relief valve, works as oil
When pressure is in high point value, energy releasing pressure automatically, it is excessive that unloading electromagnetic valve 9 takes precautions against pressure.
In order to further increase filter effect, filtration system further includes recursive filter 10 and circulating filtration pump group 11.It follows
The oil inlet that ring filters pump group 11 is arranged in fuel tank 1, and the oil inlet connection circulating filtration pump group 11 of recursive filter 10 goes out
Oil is discharged in fuel tank 1 by the oil outlet of hydraulic fluid port, recursive filter 10.Recursive filter 10 and circulating filtration pump group 11 are independent
It is arranged in systems.
Pressure sensor 12 is equipped on accumulator 3, pressure sensor 12 can monitor the oil pressure in accumulator 3, and control
The height of liquefaction pressure.When oil pressure is in high point value, pressure sensor 12 gives 13 stop signal of variable pressure pump or motor, variable pressure pump
Or motor 13 is stopped;When oil pressure is in low spot value, pressure sensor 12 to 13 working signal of motor or give variable pressure pump
Work or the signal for increasing flow, variable pressure pump or motor 13 work.
Accumulator 3 is equipped with manual safety switch 14, and control oil stream enters fuel tank 1.Safety pressure-limiting valve 6 is automatic pressure relief valve,
When can by accumulator 3 oil pass through oil return pipe 15 be discharged fuel tank 1.It is ensured again for more one, and needs to unload oil in maintenance
When, manual safety switch 14 can be used that oil is discharged to fuel tank 1.
Solenoid directional control valve 16 is housed on pipeline between off-load safety valve 5 and milling train cut-out cylinder and punching cylinder, electromagnetism changes
It is used to control the direction that milling train cuts off cylinder and punching cylinder to valve 16.
Buffer regulating valve 17 is housed on the pipeline between off-load safety valve 5 and solenoid directional control valve 16.
Control system further includes integrated valve plate 18, and off-load safety valve 5, solenoid directional control valve 16 and buffer regulating valve 17 are mounted on
On integrated valve plate 18, integrates valve plate 18 and be equipped with cut-out cylinder connector 19 and punching cylinder connector 20,19 He of cut-out cylinder connector
Punching cylinder connector 20 is separately connected milling train cut-out cylinder and punching cylinder.
Fuel tank 1 is equipped with temperature sensor 21, and the temperature monitored can be passed to monitoring device by temperature sensor 21, such as
Computer etc..It is externally provided with shell in fuel tank 1, circulating cooling mouth 22, the position of circulating cooling mouth 22 and quantity are equipped on shell
It does not limit, circulating cooling mouth 22 connects low-temperature receiver.Low-temperature receiver can be air-conditioning refrigerator or wind turbine.Alternatively, by housing design at folder
Nested structure, low-temperature receiver is passed through in chuck, and low-temperature receiver is cooling water or cooling oil.
It is equipped with fuel outlet 23 in the bottom of fuel tank 1, for releasing the oil in fuel tank 1.Liquid temperature is installed in 1 side of fuel tank
Degree meter 24.
The structure of the utility model can refer to shown in Fig. 1-6, and connecting pipeline is not drawn into figure.
The preferred embodiment that these are only the utility model, is not intended to limit the utility model, all in the utility model
Spirit and principle within, any modification, equivalent replacement, improvement and so on should be included in the protection model of the utility model
Within enclosing.
Claims (10)
1. a kind of rolling mill hydraulic system, including fuel tank, filtration system and control system;Filtration system is used to be filtered oil,
Control system includes variable pump, accumulator, milling train cut-out cylinder and punching cylinder;The oil inlet of variable pump is from fuel tank oil suction, variable pump
Oil outlet accumulator is connected to by pipeline, the oil outlet of accumulator, which passes through pipeline and is connected to milling train, cuts off cylinder and punching cylinder, special
Sign is:The control system further includes pressure regulator valve, off-load safety valve and safety pressure-limiting valve;The pressure regulator valve is arranged in variable pump
On, the oil outlet in accumulator is arranged in the off-load safety valve, and control accumulator cuts off milling train the execution of cylinder and punching cylinder
Pressure;The safety pressure-limiting valve is arranged on accumulator, and control oil stream enters fuel tank.
2. rolling mill hydraulic system according to claim 1, it is characterised in that:The filtration system includes oil absorption filter;
The oil inlet of the oil absorption filter is arranged in fuel tank, and oil absorption filter is connected to the oil inlet of variable pump.
3. rolling mill hydraulic system according to claim 1 or 2, it is characterised in that:The filtration system includes high-pressure filteration
Device;The high pressure filter is arranged on the pipeline of variable pump and accumulator.
4. rolling mill hydraulic system according to claim 3, it is characterised in that:The filtration system include recursive filter and
Circulating filtration pump group;The oil inlet of the circulating filtration pump group is arranged in fuel tank, the oil inlet connection cycle of recursive filter
The oil outlet of pump group is filtered, oil is discharged in fuel tank by the oil outlet of recursive filter.
5. rolling mill hydraulic system according to claim 1, it is characterised in that:The accumulator is equipped with pressure sensor.
6. rolling mill hydraulic system according to claim 1, it is characterised in that:The accumulator is opened equipped with manual safety
It closes, control oil stream enters fuel tank.
7. rolling mill hydraulic system according to claim 1, it is characterised in that:Cylinder is cut off in the off-load safety valve and milling train
Solenoid directional control valve is housed, solenoid directional control valve is used to control the side of milling train cut-out cylinder and punching cylinder on the pipeline between punching cylinder
To.
8. rolling mill hydraulic system according to claim 7, it is characterised in that:In the off-load safety valve and solenoid directional control valve
Between pipeline on be equipped with buffer regulating valve.
9. rolling mill hydraulic system according to claim 8, it is characterised in that:The control system further includes integrated valve plate,
Off-load safety valve, solenoid directional control valve and buffer regulating valve are mounted on integrated valve plate, are integrated valve plate and are equipped with cut-out cylinder connector
With punching cylinder connector.
10. rolling mill hydraulic system according to claim 1, it is characterised in that:The fuel tank is equipped with temperature sensor,
It is externally provided with shell on fuel tank, circulating cooling mouth is equipped on shell, circulating cooling mouth connects low-temperature receiver.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721457606.3U CN207621091U (en) | 2017-11-03 | 2017-11-03 | A kind of rolling mill hydraulic system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721457606.3U CN207621091U (en) | 2017-11-03 | 2017-11-03 | A kind of rolling mill hydraulic system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207621091U true CN207621091U (en) | 2018-07-17 |
Family
ID=62827505
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721457606.3U Expired - Fee Related CN207621091U (en) | 2017-11-03 | 2017-11-03 | A kind of rolling mill hydraulic system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207621091U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110005661A (en) * | 2019-04-17 | 2019-07-12 | 江南大学 | Monomer combined hydraulic apparatus |
CN115815338A (en) * | 2023-01-10 | 2023-03-21 | 太原理工大学 | Hydraulic pressing system suitable for double-machine linkage ultra-large shaft wedge cross rolling mill |
-
2017
- 2017-11-03 CN CN201721457606.3U patent/CN207621091U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110005661A (en) * | 2019-04-17 | 2019-07-12 | 江南大学 | Monomer combined hydraulic apparatus |
CN115815338A (en) * | 2023-01-10 | 2023-03-21 | 太原理工大学 | Hydraulic pressing system suitable for double-machine linkage ultra-large shaft wedge cross rolling mill |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180717 Termination date: 20201103 |