CN103671296A - Energy storage and pressurizing type hydraulic station - Google Patents
Energy storage and pressurizing type hydraulic station Download PDFInfo
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- CN103671296A CN103671296A CN201310702547.1A CN201310702547A CN103671296A CN 103671296 A CN103671296 A CN 103671296A CN 201310702547 A CN201310702547 A CN 201310702547A CN 103671296 A CN103671296 A CN 103671296A
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Abstract
The invention discloses an energy storage and pressurizing type hydraulic station. The energy storage and pressurizing type hydraulic station is used for providing stable and sufficient power for large-tonnage steel pipe extrusion equipment. The energy storage and pressurizing type hydraulic station comprises an oil tank, an oil pump motor set, an energy accumulator set, a pressurizer set, a control mechanism and a hydraulic pipeline, wherein the oil tank, the oil pump motor set, the energy accumulator set and the pressurizer set are connected through the hydraulic pipeline, an oil circuit inlet of the oil pump motor set is communicated with the oil tank, an oil circuit outlet of the oil pump motor set is communicated with the energy accumulator set, the energy accumulator set is composed of a set of energy accumulator units which are mutually connected in parallel, the pressurizer set is arranged behind the energy accumulator set and is connected with the energy accumulator set, the pressurizer set comprises two sets of pressurizer units which are connected in parallel, and each pressurizer unit is provided with two pressurizers. The energy storage and pressurizing type hydraulic station has the advantages that the arrangement is compact, the occupied area is small, the power requirements of the large-tonnage steel pipe extrusion equipment are met, the energy utilization rate is improved, and cost of steel pipe products is reduced.
Description
Technical field
The present invention relates to a kind of hydraulic station, especially a kind of for large tonnage pressing machine provides the accumulation of energy boosting type hydraulic station of power, belong to hydraulics field.
Background technique
As everyone knows, hydraulic equipment be take fluid pressure and is realized its function as motivational drive actuator action.At present, some large-scale steel pipe manufacturing enterprises adopt extrusion forming process to produce Large Diameter Pipeline seamless steel pipes, so large-tonnage steel pipe extrusion production device comes out one after another, and also the hydraulic system of steel tube extrusion manufacturing mechanism have been proposed to very high requirement simultaneously.
The hydraulic system of steel tube extrusion manufacturing mechanism is connected with hydraulic station conventionally, hydraulic station generally comprises driving mechanism, actuator, control mechanism and assisting agency, the hydraulic station that steel tube extrusion manufacturing enterprise arranges is at present usingd Oil pump electrical machinery group as driving mechanism, using the oil cylinder of steel tube extrusion manufacturing mechanism as actuator, by the cooperation of the assisting agencies such as control mechanism and pressurized machine or accumulator, realize the supply of hydraulic power.Wherein pressurized machine is mainly used to obtain higher pressure, to meet device requirement, improves efficiency of energy utilization, reduces costs.Accumulator is mainly used to stored energy, and it can absorb hydraulic pressure impact energy, eliminates pulsation, reduce noise.Because existing hydraulic station is not combined use by accumulator and pressurized machine, and both in operating on low voltage state, steel tube extrusion manufacturing mechanism power is mainly provided by Oil pump electrical machinery group, in order to mate with large-tonnage steel pipe extrusion production device, must increase Oil pump electrical machinery group quantity, so not only can bring that system is huge, the problem of high energy, but also cause system to be shaken, the defects such as pressure instability, have affected the normal work of whole system.
Summary of the invention
The object of the invention is to the drawback for prior art, a kind of power requirement that can meet large-tonnage steel pipe extrusion production device is provided, can improve again the accumulation of energy boosting type hydraulic station of energy utilization rate, reduction tube product cost.
Problem of the present invention realizes with following technical proposals:
A kind of accumulation of energy boosting type hydraulic station, it comprises fuel tank, Oil pump electrical machinery group, Accumulator arrangements, pressure booster set, control mechanism and hydraulic pipe line, described fuel tank, Oil pump electrical machinery group, Accumulator arrangements, pressure booster set connects by hydraulic pipe line, the import of described Oil pump electrical machinery group oil circuit is communicated with fuel tank, its oil circuit outlet is communicated with Accumulator arrangements, described Accumulator arrangements is comprised of one group of energy storage unit parallel with one another, after Accumulator arrangements, connect pressure booster set, described pressure booster set comprises the supercharger unit of two groups of parallel connections, in each supercharger unit, be provided with two pressurized machines.
Above-mentioned accumulation of energy boosting type hydraulic station, described energy storage unit comprises gas tank and accumulator body, and described gas tank is fixed on level ground, fills the inactive gas of chemical property in gas tank, gas tank is communicated with accumulator body by gas circuit, in described gas circuit, stop valve is set.
Above-mentioned accumulation of energy boosting type hydraulic station, described accumulator body is fixed on level ground, in import and the outlet port of accumulator body, one-way valve is all set.
Above-mentioned accumulation of energy boosting type hydraulic station, described pressurized machine is provided with top cylinder body, bottom cylinder body and the piston of mutual perforation, its middle and lower part inner chamber of cylinder block diameter is greater than top inner chamber of cylinder block diameter, described piston is ladder cylindrical structure, and its upper and lower two ends are equipped with top inner chamber of cylinder block, bottom inner chamber of cylinder block respectively.
Above-mentioned accumulation of energy boosting type hydraulic station, described pressurized machine arranges the outlet of pressurized machine high-voltage oil liquid on the top of top cylinder body, in cylinder body both sides, bottom, pressurized machine filler opening and pressurized machine drain tap are set respectively.
Above-mentioned accumulation of energy boosting type hydraulic station, described pressurized machine filler opening place is provided with one-way valve, and pressurized machine drain tap place is provided with one way pressure-reducing valve.
Above-mentioned accumulation of energy boosting type hydraulic station, described control mechanism is connected with the valve body of each element by control circuit.
Above-mentioned accumulation of energy boosting type hydraulic station, described fuel tank is fixedly mounted on the top of Oil pump electrical machinery group.
The present invention combines use by accumulator and pressurized machine, it reduces hydraulic shock or the pressure pulsation of system by accumulator, guarantee the stability of system pressure, utilizes pressurized machine as auxiliary power source simultaneously, meeting under the prerequisite of steel tube extrusion manufacturing mechanism power demand, reduced electric motor power; The present invention is provided with the energy storage unit of one group of parallel connection, in each energy storage unit, by gas tank, be the inactive gas of accumulator body supplying chemical performance, and be provided with stop valve in gas tank and accumulator body connecting pipeline, for accumulator maintenance provides convenience; Pressure booster set of the present invention has comprised the supercharger unit of two groups of parallel connections, in each supercharger unit, be provided with two pressurized machines, two groups of supercharger units both can cooperatively interact and realize supercharging object, can work independently again and carried out supercharging task, to mate different steel tube extrusion equipment; The present invention is fixedly mounted on fuel tank the top of Oil pump electrical machinery group, hydraulic oil in the fuel tank Accumulator arrangements of flowing through after Oil pump electrical machinery group pressurization, by accumulator outlet, enter pressurized machine again, drive the piston of pressurized machine to move upward, because pressurized machine bottom inner chamber of cylinder block diameter is greater than top inner chamber of cylinder block diameter, and the piston being arranged in pressurized machine cavity is ladder cylindrical structure, by setting the ratio of ladder cylindrical body both ends of the surface area, just guaranteed the supercharging coefficient of pressurized machine like this.In a word, the present invention has characteristics of compact layout, the feature that floor space is little, and the power demand that it had both met large-tonnage steel pipe extrusion production device, has improved again energy utilization rate, reduces tube product cost.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is hydraulic circuit of the present invention and control circuit schematic diagram;
Fig. 2 is energy storage unit structural representation;
Fig. 3, Fig. 4 are accumulator working principle schematic diagram;
Fig. 5 is Accumulator arrangements setting type schematic diagram (overlooking);
Fig. 6 is the main sectional view of pressurized machine;
Fig. 7 is the plan view of pressurized machine;
Fig. 8, Fig. 9 are pressurized machine working principle schematic diagram;
Figure 10 is pressure booster set setting type schematic diagram (overlooking).
In figure, each list of reference numerals is: 1, fuel tank, 2, Oil pump electrical machinery group, 3, Accumulator arrangements, 3-1, gas tank, 3-2, accumulator body, 3-3, stop valve, 3-4, one-way valve, 4, pressure booster set, 4-1, bottom cylinder body, 4-2, piston, 4-3, top cylinder body, 4-4, the outlet of pressurized machine high-voltage oil liquid, 4-5, pressurized machine filler opening, 4-6, pressurized machine unloading port, 5, steel tube extrusion equipment oil cylinder, 6, control mechanism, 7, hydraulic pipe line, 8, control circuit.
Embodiment
Referring to Fig. 1, the present invention includes fuel tank 1, Oil pump electrical machinery group 2, Accumulator arrangements 3, pressure booster set 4, control mechanism 6 and hydraulic pipe line 7, described fuel tank 1, Oil pump electrical machinery group 2, Accumulator arrangements 3, pressure booster set 4 connects by hydraulic pipe line 7, described fuel tank 1 is fixedly mounted on the top of Oil pump electrical machinery group 2, the oil circuit import of described Oil pump electrical machinery group 2 is communicated with fuel tank 1, its oil circuit outlet is communicated with Accumulator arrangements 3, described Accumulator arrangements 3 is comprised of one group of energy storage unit parallel with one another, at Accumulator arrangements 3, connect pressure booster set 4 below, described pressure booster set 4 comprises the supercharger unit of two groups of parallel connections, in each supercharger unit, be provided with two pressurized machines.
Referring to Fig. 1, Fig. 2, Fig. 5, energy storage unit of the present invention comprises gas tank 3-1 and accumulator body 3-2, described gas tank 3-1 is fixed on level ground, in gas tank 3-1, fill the inactive gas of chemical property, gas tank 3-1 is communicated with accumulator body by gas circuit, and stop valve 3-3 is set in described gas circuit; Described accumulator body 3-2 is fixed on level ground, in import and the outlet port of accumulator body 3-2, one-way valve 3-4 is all set.
Referring to Fig. 6, Fig. 7, Figure 10, pressurized machine 4 of the present invention is provided with top cylinder body 4-3, bottom cylinder body 4-1 and the piston 4-2 of mutual perforation, its middle and lower part cylinder body 4-1 intracavity diameter is greater than top cylinder body 4-3 intracavity diameter, described piston 4-2 is ladder cylindrical structure, and its upper and lower two ends are equipped with top cylinder body 4-3 inner chamber, bottom inner chamber of cylinder block 4-1 respectively; Described pressurized machine 4 arranges pressurized machine high-voltage oil liquid outlet 4-4 on the top of top cylinder body 4-3, pressurized machine filler opening 4-5 and pressurized machine drain tap 4-6 are set respectively in cylinder body 4-1 both sides, bottom; Described pressurized machine filler opening 4-5 place is provided with one-way valve, and described pressurized machine drain tap 4-6 place is provided with one way pressure-reducing valve.
Referring to Fig. 1, Fig. 3, Fig. 4, Fig. 5, Fig. 8, Fig. 9, Figure 10, the present embodiment is combined use by Accumulator arrangements 3 and pressure booster set 4, it reduces hydraulic shock or pressure pulsation by Accumulator arrangements 3, guarantee the stability of system pressure, utilize pressure booster set 4 as auxiliary power source simultaneously, both can meet the power demand of 50,000 tons of hot extrude steel pipe machines, reduce electric motor power simultaneously.In the present embodiment, be provided with quantity for the energy storage unit in parallel of (asking inventor to supplement exact amount), in each energy storage unit, by gas tank 3-1, be the stronger nitrogen of accumulator body 3-2 supplied for inert, and be provided with stop valve 3-3 in gas tank 3-1 and accumulator body 3-2 connecting pipeline, when the hydraulic oil through 2 superchargings of Oil pump electrical machinery group is during higher than setting pressure, hydraulic oil enters after accumulator body 3-2 inner chamber, by hydraulic oil liquid level, change compression and be filled with the nitrogen in accumulator body 3-2 inner chamber, now hydraulic oil liquid level rises, hydraulic shock energy is converted into gas internal energy, guaranteed to enter the stability of oil liquid pressure in pressure booster set 4, equally when the hydraulic oil through 2 superchargings of Oil pump electrical machinery group does not reach pressure and requires, in accumulator body 3-2 inner chamber, liquid level declines, gas expansion in accumulator body 3-2 inner chamber releases energy, thereby the oil liquid pressure that enters pressure booster set is remained in the number range of setting.Pressure booster set 4 of the present invention has comprised the supercharger unit of two groups of parallel connections, in each supercharger unit, be provided with two pressurized machines, two groups of supercharger units both can cooperatively interact and realize supercharging object, can work independently again and carried out supercharging task, to mate different steel tube extrusion equipment, in the present embodiment, when hydraulic oil enters in the cylinder body 4-1 inner chamber of bottom by pressurized machine filler opening 4-5, be positioned at the one way pressure-reducing valve at cylinder body 4-1 pressurized machine drain tap 4-6 place, bottom in closed state, now piston 4-2 lower end surface is subject to the thrust that hydraulic oil makes progress, driven plunger 4-2 moves upward, and by piston 4-2, fluid power is passed to hydraulic oil in the cylinder body 4-3 inner chamber of top, hydraulic fluid pressure in the cylinder body 4-3 inner chamber of top is raise, high pressure oil enters the pressure duct of hydraulic power system by pressurized machine high-voltage oil liquid outlet 4-4, drive 5 actions of steel tube extrusion equipment oil cylinder, realize the extrusion modling of workpiece, at steel tube extrusion equipment oil cylinder 5, complete after the extrusion modling operation of workpiece, the one way pressure-reducing valve that is positioned at cylinder body 4-1 pressurized machine drain tap 4-6 place, bottom is opened, the closed check valve at pressurized machine filler opening 4-5 place simultaneously, hydraulic oil flows out from pressurized machine drain tap 4-6, and piston 4-2 moves downward reset under the poor effect of upper and lower end surface pressure.
Referring to Fig. 1, the present invention is fixedly mounted on fuel tank 1 top of Oil pump electrical machinery group 2, hydraulic oil in fuel tank 1 Accumulator arrangements 3 of flowing through after Oil pump electrical machinery group 2 pressurization, by Accumulator arrangements outlet, enter pressurized machine 4 again, the present invention, by setting the ratio of piston ladder cylindrical body both ends of the surface area, has guaranteed the supercharging coefficient of pressurized machine 4.
Claims (8)
1. an accumulation of energy boosting type hydraulic station, it is characterized in that, it comprises fuel tank (1), Oil pump electrical machinery group (2), Accumulator arrangements (3), pressure booster set (4), control mechanism (6) and hydraulic pipe line (7), described fuel tank (1), Oil pump electrical machinery group (2), Accumulator arrangements (3), pressure booster set (4) connects by hydraulic pipe line (7), described Oil pump electrical machinery group (2) oil circuit import is communicated with fuel tank (1), its oil circuit outlet is communicated with Accumulator arrangements (3), described Accumulator arrangements (3) is comprised of one group of energy storage unit parallel with one another, at Accumulator arrangements (3), connect pressure booster set (4) below, described pressure booster set (4) comprises the supercharger unit of two groups of parallel connections, in each supercharger unit, be provided with two pressurized machines.
2. a kind of accumulation of energy boosting type hydraulic station according to claim 1, it is characterized in that, described energy storage unit comprises gas tank (3-1) and accumulator body (3-2), described gas tank (3-1) is fixed on level ground, in gas tank (3-1), fill the inactive gas of chemical property, gas tank (3-1) is communicated with accumulator body by gas circuit, and stop valve (3-3) is set in described gas circuit.
3. a kind of accumulation of energy boosting type hydraulic station according to claim 2, is characterized in that, described accumulator body (3-2) is fixed on level ground, in import and the outlet port of accumulator body (3-2), one-way valve (3-4) is all set.
4. according to a kind of accumulation of energy boosting type hydraulic station described in claim 1 or 2 or 3, it is characterized in that, described pressurized machine (4) is provided with top cylinder body (4-3), bottom cylinder body (4-1) and the piston (4-2) of mutual perforation, its middle and lower part cylinder body (4-1) intracavity diameter is greater than top cylinder body (4-3) intracavity diameter, described piston (4-2) is ladder cylindrical structure, and its upper and lower two ends are equipped with top cylinder body (4-3) inner chamber, bottom inner chamber of cylinder block (4-1) respectively.
5. a kind of accumulation of energy boosting type hydraulic station according to claim 4, it is characterized in that, described pressurized machine (4) arranges pressurized machine high-voltage oil liquid outlet (4-4) on the top of top cylinder body (4-3), in bottom cylinder body (4-1) both sides, pressurized machine filler opening (4-5) and pressurized machine drain tap (4-6) are set respectively.
6. a kind of accumulation of energy boosting type hydraulic station according to claim 5, is characterized in that, described pressurized machine filler opening (4-5) locates to be provided with one-way valve, and described pressurized machine drain tap (4-6) locates to be provided with one way pressure-reducing valve.
7. a kind of accumulation of energy boosting type hydraulic station according to claim 6, is characterized in that, described control mechanism (6) is connected with the valve body of each element by control circuit (8).
8. a kind of accumulation of energy boosting type hydraulic station according to claim 7, is characterized in that, described fuel tank (1) is fixedly mounted on the top of Oil pump electrical machinery group (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310702547.1A CN103671296A (en) | 2013-12-19 | 2013-12-19 | Energy storage and pressurizing type hydraulic station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310702547.1A CN103671296A (en) | 2013-12-19 | 2013-12-19 | Energy storage and pressurizing type hydraulic station |
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| CN103671296A true CN103671296A (en) | 2014-03-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314887A (en) * | 2014-10-15 | 2015-01-28 | 中国矿业大学 | Line hydraulic energy storage system and method |
| CN112743016A (en) * | 2020-12-30 | 2021-05-04 | 黎明压型机械有限公司 | High-speed keel machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101852220A (en) * | 2010-05-04 | 2010-10-06 | 中煤北京煤矿机械有限责任公司 | Controllable high-pressure high-flow generating device and control method thereof |
| CN202971362U (en) * | 2012-12-20 | 2013-06-05 | 丰士俊 | Hydraulic supercharging device for pressure test |
| CN203176016U (en) * | 2013-03-25 | 2013-09-04 | 王文雯 | Pressurizing energy storage type energy-saving hydraulic pumping machine |
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2013
- 2013-12-19 CN CN201310702547.1A patent/CN103671296A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852220A (en) * | 2010-05-04 | 2010-10-06 | 中煤北京煤矿机械有限责任公司 | Controllable high-pressure high-flow generating device and control method thereof |
| CN202971362U (en) * | 2012-12-20 | 2013-06-05 | 丰士俊 | Hydraulic supercharging device for pressure test |
| CN203176016U (en) * | 2013-03-25 | 2013-09-04 | 王文雯 | Pressurizing energy storage type energy-saving hydraulic pumping machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314887A (en) * | 2014-10-15 | 2015-01-28 | 中国矿业大学 | Line hydraulic energy storage system and method |
| CN104314887B (en) * | 2014-10-15 | 2016-06-01 | 中国矿业大学 | A kind of hydraulic accumulation energy system and method along the line |
| CN112743016A (en) * | 2020-12-30 | 2021-05-04 | 黎明压型机械有限公司 | High-speed keel machine |
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Application publication date: 20140326 |