CN2326427Y - Hydraulic accumulator of blank-rolling machine - Google Patents
Hydraulic accumulator of blank-rolling machine Download PDFInfo
- Publication number
- CN2326427Y CN2326427Y CN 98211666 CN98211666U CN2326427Y CN 2326427 Y CN2326427 Y CN 2326427Y CN 98211666 CN98211666 CN 98211666 CN 98211666 U CN98211666 U CN 98211666U CN 2326427 Y CN2326427 Y CN 2326427Y
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- accumulator
- hydraulic
- piston rod
- valve
- piston
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Abstract
The utility model relates to a hydraulic accumulator of a blank-rolling machine, which comprises an oil tank, a hydraulic oil pump, a non-return valve, an electromagnetic reversing valve, a pressure relay, an accumulator, a pressing oil cylinder, an overflow valve and a pressure meter. The utility model is characterized in that the accumulator is designed to a matching block type accumulator, and the matching block has an upper position and a lower position. The former is realized through a hydraulic oil cylinder, a piston with a piston rod, and the matching block which is arranged on the upper end of the piston rod, the latter is different from the former, and the latter adopts a rack bar which is arranged on the upper end of the piston rod, a chain wheel and the matching block which is connected with the lower end of the piston rod through a chain bar to realize. The utility model has the advantages of simple structure, low fault, long service life, large pressure, flexible adjustment, convenient operation, low energy consumption, easy maintenance, etc.
Description
The utility model relates to the plant equipment of oil plant strip plate in the oils preparation industry, particularly a kind of crushing roll hydraulic accumulating device.
The oil plant strip plate is one important procedure in the system oil production process.The oil plant strip plate uses more crushing roll that pair roller and biconjugate roller crushing roll are arranged both at home and abroad at present.This class crushing roll can be divided into two kinds of the tight roller of spring and liquid hold-down rollers by the tight roller mode of roll.The former regulates inconvenience because roll gap pressure is little, and the strip plate effect is bad; The latter, is widely used so the treating capacity of unit roller length is just big because its roll gap pressure is bigger, and rotating speed is also very fast.The hydraulic accumulating device of the tight roller crushing roll of hydraulic pressure that this application is wider is also not ideal.Usually this hydraulic accumulating device comprises fuel tank, hydraulic oil pump, check valve, solenoid directional control valve, pressure switch, accumulator, compressed oil cylinder, overflow valve and Pressure gauge, wherein, accumulator is that a kind of in the hydraulic accumulating device can store the pressure of hydraulic oil the energy storage device that again it is discharged again when need waiting.Two kinds (see hydraulic drive, May nineteen ninety, China Machine Press published, P119-120) for have piston type and bladder accumulator commonly used.Piston accumulator is made up of piston, cylinder body, charge valve, and epicoele gas charges into from charge valve; Cavity of resorption fluid is communicated with hydraulic system through oilhole, and piston separates gas and fluid, and during use, oilhole is communicated with hydraulic system, and piston separates gas and fluid.During use, charge into the nitrogen of predetermined pressure, fluid is entered promote piston to rise to piston through the hole and be in poised state, make system reach desired pressure.The accumulator structure of this structure is simple, and stable working is reliable, and is convenient for installation and maintenance, and the life-span is long.Its shortcoming is because the influence of piston inertia and frictional resistance reacts sensitive inadequately, and capacity is less, owing between cylinder barrel and the piston sealing property requirement is arranged, so manufacturing expense is higher.Generally be used for accumulation of energy or supply middle and high pressing system absorption pressure pulsation.The air bag that bladder accumulator is made by charge valve, synthetic rubber, housing that homogeneous is seamless, lift valve etc. are formed.Before accumulator work, inflate (being generally nitrogen) earlier to air bag, then close all the time during charge valve work by charge valve.Lift valve can make fluid enter in the accumulator, and air bag expands outside the container in the time of preventing again that fluid from all discharging.The advantage of bladder accumulator is that air bag inertia is little, is quick on the draw, and safeguards easily.Shortcoming is that capacity is little, and air bag and housing are made difficulty.Because the above-mentioned accumulator that crushing roll uses, when bringing into operation, can obtain comparatively ideal strip plate effect, 1., hydraulic oil pump needs operation continuously, can cause hydraulic oil temperature to raise but along with the prolongation of running time, usually following point can appear:, viscosity reduces, oil cylinder working-pressure reduces, and the material of race phenomenon is arranged during roll, directly influences the strip plate quality; 2., since oil pump move continuously, power consumption is big, wastes energy; 3., each parts is fragile in the hydraulic system, fault is many, and the life-span is short, safeguard and maintenance capacity big; 4., yield poorly.
The utility model improves at the problem that prior art exists, develop a kind of saving energy, hydraulic oil pump only needed to start 3 minutes in per 24 hours in the time of can realizing starting shooting, just can guarantee that system normally moves, power consumption () is 1/400 of an original hydraulic rolling mill, prolongs the service life of oil pump, owing to be only to start 3 minutes, discontinuous work, significantly reduced fault, the life-span is original 300 times, can realize that a hydraulic system can use simultaneously for 4-6 platform crushing roll, cost is lower, pressure is big, regulates flexibly, and is easy to operate, safeguard easily, can realize automatically tight roller and the crushing roll hydraulic accumulating device that divides roller.
The utility model is achieved by following manner:
A kind of crushing roll hydraulic accumulating device, comprise fuel tank, hydraulic oil pump, check valve, solenoid directional control valve, pressure switch, accumulator, compressed oil cylinder, overflow valve and Pressure gauge, it is characterized in that: said accumulator designs is put balancing weight formula accumulator on adopting, promptly this accumulator has a vertically disposed hydraulic jack, be provided with vertically disposed piston rod and piston in the hydraulic jack, what piston rod was drawn is provided with balancing weight and travel switch thereof with the upper end, simultaneously the bottom of hydraulic jack is provided with oilhole, and this oilhole is communicated with oil circuit between check valve and the solenoid directional control valve by pipeline.
A kind of crushing roll hydraulic accumulating device, comprise fuel tank, hydraulic oil pump, check valve, solenoid directional control valve, pressure switch, accumulator, compressed oil cylinder, overflow valve and Pressure gauge, it is characterized in that: said accumulator also can design and adopt underlying counter weight type accumulator, promptly this accumulator has a housing, the end is provided with vertical hydraulic jack thereon, be provided with vertically disposed piston rod and piston in the hydraulic jack, the upper end that piston rod is drawn is provided with the toothed sprocket wheel of tooth bar and the engagement of this tooth bar, be provided with the balancing weight and the travel switch of chain and lower end thereof in the lower end of toothed sprocket wheel, simultaneously the bottom of hydraulic jack is provided with oilhole, and this oilhole is communicated with oil circuit between check valve and the solenoid directional control valve by pipeline.
Operation principle of the present utility model is: pass through hydraulic oil pump, the mechanical energy of motor output is converted to the pressure energy of liquid, send into and store in the accumulator by closed conduit (oil circuit), hydraulic control component (as check valve, magnetic valve, Pressure gauge, overflow valve etc.), after full the pressure, hydraulic oil pump quits work, accumulator is pressed into another energy conversion device with pressure oil, be in the compressed oil cylinder, compressed oil cylinder can convert the pressure of liquid to mechanical energy output again, drives load and realization work (motion) process by executing agency.Its groundwork process is: after pressing start button, hydraulic oil pump is started working, this moment, hydraulic oil pump was to system oil-way input pressure oil and begin to boost, and after reaching required pressure, hydraulic oil pump quits work, the piston of accumulator moves downward under the effect of balancing weight, with the pressure oil output of storing, magnetic valve YA energising this moment, the right cavity pressure of two compressed oil cylinders raises, piston is walked left, and roll compresses.When the descent of piston of accumulator to the stroke end, during travel switch ZSA, make the YA outage of magnetic valve, compressed oil cylinder GA piston right lateral, roll unclamps, the piston fast return original position of accumulator, touch travel switch (ISA), make magnetic valve YA energising, so far finished entire work process.Accumulator of the present utility model has above-mentioned two kinds of forms, and the former is fit to the separate unit crushing roll; The latter is fit to many (2-6 platform) crushing rolls and uses simultaneously.This accumulator can guarantee constant pressure, relax because the unexpected commutation of valve or close, actuator movement the hydraulic shock that reason causes such as stop suddenly.
The utility model is compared with prior art, has hydraulic oil pump and starts three minutes in per 24 hours, just can guarantee that crushing roll normally moves, save the energy, power consumption () is original 1/400, and fault reduces, the life-span long (life-span of hydraulic oil pump is original 300 times), can realize that many are used simultaneously, cost is low, and pressure is big simultaneously, regulates flexibly, easy to operate, characteristics such as easy maintenance.
Fig. 1 is the structure chart of first kind of structure of the utility model;
Fig. 2 is the structure chart of second kind of structure of the utility model.
Among the figure: 1 fuel tank, 2 hydraulic oil pumps, 3 check valves, 4 overflow valves, 5 Pressure gauges, 6 solenoid directional control valves, 7 overflow valves, 8 compressed oil cylinders, 9 balancing weights, 10 travel switches, 11 piston rods, 12 pistons, 13 hydraulic jacks, 14 oilholes, 15 pipelines (or oil circuit), 16 tooth bars, 17 sprocket wheels (toothed sprocket wheel), 18 chains, 19 housings.
Most preferred embodiment of the present utility model, as shown in Figure 1, 2.A kind of crushing roll hydraulic accumulating device, comprise fuel tank 1, hydraulic oil pump 2, check valve 3, solenoid directional control valve 6, accumulator, compressed oil cylinder 8, overflow valve 7 and Pressure gauge 5, it is characterized in that: said accumulator designs is put balancing weight formula accumulator on adopting, promptly this accumulator has a vertically disposed hydraulic jack 13, be provided with vertically disposed piston rod 11 and piston 12 in the hydraulic jack 13, piston rod 11 is drawn with the upper end and is provided with balancing weight 9 and travel switch 10 thereof, simultaneously the bottom of hydraulic jack 13 is provided with oilhole 14, and this oilhole 14 is communicated with oil circuit between check valve 3 and the solenoid directional control valve 6 by pipeline 15.
A kind of crushing roll hydraulic accumulating device, comprise fuel tank 1, hydraulic oil pump 2, check valve 3, solenoid directional control valve 6, pressure switch, accumulator, compressed oil cylinder 8, overflow valve 7 and Pressure gauge 5, it is characterized in that: said accumulator also can design and adopt underlying counter weight type accumulator, promptly this accumulator has a housing 19, the end is provided with vertical hydraulic jack 13 thereon, be provided with vertically disposed piston rod 11 and piston 12 in the hydraulic jack 13, the upper end that piston rod 11 is drawn is provided with the toothed sprocket wheel 17 of tooth bar 16 and 16 engagements of this tooth bar, be provided with the balancing weight 9 and the travel switch 10 of chain 18 and lower end thereof in the lower end of toothed sprocket wheel 17, simultaneously the bottom of hydraulic jack 13 is provided with oilhole 14, and this oilhole 14 is communicated with oil circuit between check valve 3 and the solenoid directional control valve 6 by pipeline 15.
Claims (2)
1, a kind of crushing roll hydraulic accumulating device, comprise fuel tank, hydraulic oil pump, check valve, solenoid directional control valve, pressure switch, accumulator, compressed oil cylinder, overflow valve and Pressure gauge, it is characterized in that: said accumulator designs is put balancing weight formula accumulator on adopting, promptly this accumulator has a vertically disposed hydraulic jack, be provided with vertically disposed piston rod and piston in the hydraulic jack, the upper end that piston rod is drawn is provided with balancing weight and travel switch thereof, simultaneously the bottom of hydraulic jack is provided with oilhole, and this oilhole is communicated with oil circuit between check valve and the solenoid directional control valve by pipeline.
2, a kind of crushing roll hydraulic accumulating device, comprise fuel tank, hydraulic oil pump, check valve, solenoid directional control valve, pressure switch, accumulator, compressed oil cylinder, overflow valve and Pressure gauge, it is characterized in that: said accumulator also can design and adopt underlying counter weight type accumulator, promptly this accumulator has a housing, the end is provided with vertical hydraulic jack thereon, be provided with vertically disposed piston rod and piston in the hydraulic jack, the upper end that piston rod is drawn is provided with the toothed sprocket wheel of tooth bar and the engagement of this tooth bar, be provided with the balancing weight and the travel switch of chain and lower end thereof in the lower end of toothed sprocket wheel, simultaneously the bottom of hydraulic jack is provided with oilhole, and this oilhole one is communicated with oil circuit between check valve and the solenoid directional control valve by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98211666 CN2326427Y (en) | 1998-03-16 | 1998-03-16 | Hydraulic accumulator of blank-rolling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98211666 CN2326427Y (en) | 1998-03-16 | 1998-03-16 | Hydraulic accumulator of blank-rolling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2326427Y true CN2326427Y (en) | 1999-06-30 |
Family
ID=33966247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98211666 Expired - Lifetime CN2326427Y (en) | 1998-03-16 | 1998-03-16 | Hydraulic accumulator of blank-rolling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2326427Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102950805A (en) * | 2012-11-19 | 2013-03-06 | 无锡市京锡冶金液压机电有限公司 | High-speed punch hydraulic system connection method capable of realizing fast direction change |
| CN103376309A (en) * | 2013-06-28 | 2013-10-30 | 湖南省林业科学院 | Test method and test device for pressing vegetable oil material |
| CN103448292A (en) * | 2012-05-29 | 2013-12-18 | 肇东市东龙节能新技术有限公司 | Hydraulic energy storage device for flaking mill |
-
1998
- 1998-03-16 CN CN 98211666 patent/CN2326427Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103448292A (en) * | 2012-05-29 | 2013-12-18 | 肇东市东龙节能新技术有限公司 | Hydraulic energy storage device for flaking mill |
| CN102950805A (en) * | 2012-11-19 | 2013-03-06 | 无锡市京锡冶金液压机电有限公司 | High-speed punch hydraulic system connection method capable of realizing fast direction change |
| CN103376309A (en) * | 2013-06-28 | 2013-10-30 | 湖南省林业科学院 | Test method and test device for pressing vegetable oil material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHAODONG CITY DONGLONG NEW ENERGY-SAVING TECHNOLO Free format text: FORMER OWNER: LIU XIANSHU Effective date: 20070302 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20070302 Address after: 151100 west suburb of Zhengyang street, Zhaodong, Heilongjiang Patentee after: Zhaodong Dong Long Saving Energy New Technology Co., Ltd. Address before: Zhaodong City, Heilongjiang Province, 151100 Zhengyang Street West Zhaodong Donglong Energy Saving Technology Co Ltd Patentee before: Liu Xianshu |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |