CN207621091U - A kind of rolling mill hydraulic system - Google Patents

A kind of rolling mill hydraulic system Download PDF

Info

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
Authority
CN
China
Prior art keywords
oil
valve
accumulator
fuel tank
cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201721457606.3U
Other languages
Chinese (zh)
Inventor
戴松柏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Dane Electromechanical Equipment Co Ltd
Original Assignee
Shanghai Dane Electromechanical Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Dane Electromechanical Equipment Co Ltd filed Critical Shanghai Dane Electromechanical Equipment Co Ltd
Priority to CN201721457606.3U priority Critical patent/CN207621091U/en
Application granted granted Critical
Publication of CN207621091U publication Critical patent/CN207621091U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Fluid-Pressure Circuits (AREA)

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

A kind of rolling mill hydraulic system
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.
CN201721457606.3U 2017-11-03 2017-11-03 A kind of rolling mill hydraulic system Expired - Fee Related CN207621091U (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN203321783U (en) Waste heat recovery system of lubricating oil type air compressor
CN207621091U (en) A kind of rolling mill hydraulic system
CN209129693U (en) A kind of novel lubricating petrol station system
CN105508247A (en) Energy-saving air compressor
CN103573584A (en) Compressed air heat energy recovery and control system
CN103394391B (en) A kind of hydraulic system of roll crusher
CN201368616Y (en) Dual-system chiller
CN114967885A (en) Cold volume distribution system of server liquid cooling system
CN206785397U (en) A kind of development machine water system of Novel connection type
CN209814296U (en) Closed liquid cooling system for aircraft
CN215765896U (en) Automatic adjusting device for two-point oil return barrel pump
CN215293098U (en) Hydraulic system oil circuit cooling structure
CN201611143U (en) Air conditioner auxiliary cooling energy-saving apparatus
CN205388067U (en) Former coal bunker loosening machine hydraulic oil temperature cooling system
CN204301590U (en) A kind of liquid-circulating control system
CN204806758U (en) Circulative cooling water supply system outside hydroelectric power plant
CN204592200U (en) A kind of long-range water supply hydraulic system
CN210240193U (en) Hydraulic power station for mobile platform
CN202789079U (en) Automatic water-feeding water tank of generator set
CN206844031U (en) High pressure water circuit system and sanitation equipment
CN206902822U (en) booster pump room with water level monitoring function
CN206072722U (en) A kind of hydrostatic bearing lubrication station
CN204003402U (en) A kind of new hydraulic pump
CN205536718U (en) Double fluid volume refrigerating system and refrigeration plant
CN213392562U (en) Lubricating system of reciprocating compressor

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