CN203978969U - Energy accumulation type hydraulic station - Google Patents
Energy accumulation type hydraulic station Download PDFInfo
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- CN203978969U CN203978969U CN201420405083.8U CN201420405083U CN203978969U CN 203978969 U CN203978969 U CN 203978969U CN 201420405083 U CN201420405083 U CN 201420405083U CN 203978969 U CN203978969 U CN 203978969U
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Abstract
The utility model discloses a kind of energy accumulation type hydraulic station, comprise oil pump, high pressure accumulator, low pressure accumulator and the hydraulic drive type inflator being connected with oil pump, the air storing cavity of high pressure accumulator is connected with the air storing cavity of low pressure accumulator by connecting tube, connecting tube is provided with the first on-off valve and the second on-off valve, and the inflation inlet of hydraulic drive type inflator is connected on the connecting tube between the first on-off valve and the second on-off valve.The utlity model has simple in structure, with low cost, energy loss is little, applicability good, easy to use, energy-conserving and environment-protective, with the advantage such as system compatibility is good.
Description
Technical field
The utility model relates to hydraulics field, is specifically related to a kind of energy accumulation type hydraulic station.
Background technique
Hydraulic transmission is to using liquid as working medium, utilizes the pressure energy of liquid to carry out transferring power.A complete hydraulic system is comprised of five parts, i.e. energy source device, actuating device, regulating and controlling device, auxiliary device, liquid medium.Hydraulic pressure is because its transferring power is large, is easy to transmit and the feature such as configuration, extensive in industry, civilian sector application.
Along with the development of technology, by hydraulic driving, can realize diversified working condition, need the Hydraulically Operated Equipment of large flow, high pressure also more and more, for example, the fields such as forging, punching press, metallurgical steel rolling.Therefore also occurred can accumulation of energy hydraulic station, it is that the high pressure oil of oil pump output is stored in energy storage tank, by energy storage tank, can once supply with enough the high pressure oil of flow greatly.The working principle of energy storage tank is that the dividing plate that piston type coordinates is set in the cavity of a sealing, dividing plate is separated into two chambers by cavity, in a chamber, inject pressurized gas therein, another chamber is for pressure store oil, during work, the effect by pressurized gas makes pressure oil be supplied to system.
Current energy accumulation type hydraulic station a kind of pressure can only be provided, its pressure is lower, is difficult to reach the maximum pressure that executive system requires; While supplying with executive system different pressures, need in system, adopt hydraulic pressure components and parts to change its pressure, high-pressure oil is transported in system transformation again through pipeline, the loss that this will certainly energization; And the unified mode of high-voltage energy-storage that adopts is also high to the requirement of equipment, and rate of energy loss is large, its exist function singleness, cost of investment large, can not meet the requirement of multi-operating mode and easily cause the shortcomings such as energy dissipation.
In addition, because energy storage tank can not seal completely, also inevitably can there is leakage in pressurized gas, causes air pressure to reduce, and then affect the energy supply of energy storage tank, and this just needs irregular to energy storage tank make-up gas.Existing way is that nitrogen bottle is directly connected in the gas chamber of gas holder, relies on the pressure of nitrogen bottle to inflate to gas holder, and this kind of mode can only meet the lower situation of gas pressure requirement; When gas pressure is higher in requiring energy storage tank, need to adopt in addition complicated, expensive charger to improve inflation pressure, have the problems such as cost is high, inflation is inconvenient.
Model utility content
The technical problems to be solved in the utility model is to overcome the deficiency that prior art exists, provide a kind of simple in structure, with low cost, energy loss is little, applicability good, easy to use, energy-conserving and environment-protective, the energy accumulation type hydraulic station good with system compatibility.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of energy accumulation type hydraulic station, comprise oil pump, high pressure accumulator, low pressure accumulator and the hydraulic drive type inflator being connected with described oil pump, the air storing cavity of described high pressure accumulator is connected with the air storing cavity of described low pressure accumulator by connecting tube, described connecting tube is provided with the first on-off valve and the second on-off valve, and the inflation inlet of described hydraulic drive type inflator is connected on the connecting tube between described the first on-off valve and the second on-off valve.
As further improvement of the utility model:
Described oil pump is connected with the shoe cream room of described high pressure accumulator by the first transport pipe, described the first transport pipe is provided with the 3rd on-off valve, described oil pump is connected with the shoe cream room of described low pressure accumulator by the second transport pipe, and described the second transport pipe is provided with the 4th on-off valve.
On connecting tube between described the first on-off valve and the second on-off valve, by the first control valve, be connected with high-voltage safety relief valve and low-voltage safety relief valve, described the first control valve makes high-voltage safety relief valve and low-voltage safety relief valve select one to be communicated with described connecting tube.
The air storing cavity of described high pressure accumulator and low pressure accumulator is all connected with pressure gauge.
The aeration tank that described hydraulic drive type inflator comprises dividing plate and has airtight inner chamber, described dividing plate is slidedly arranged on and in the inner chamber of described aeration tank and by described inner chamber, is separated into gas chamber and the oil-in chamber of arranging along glide direction, described gas chamber is connected with the suction tude being connected with pressure gas source and the steam outlet pipe being connected with connecting tube, and described oil-in chamber is connected with the oil inlet pipe for being connected with described oil pump; Described suction tude is provided with the first one-way valve that makes gas only pass into gas chamber, and described steam outlet pipe is provided with the second one-way valve that makes gas only pass into connecting tube.
Described high pressure accumulator is also connected with outlet pipe, is also provided with the second control valve that makes gas chamber and external environment condition select a connection outlet pipe on described outlet pipe, and described outlet pipe is provided with the 5th on-off valve.
The entrance point of described outlet pipe is connected on the connecting tube between described the first on-off valve and the second on-off valve.
Described oil inlet pipe is provided with and makes oil pump and fuel tank select the 3rd control valve of a connection oil-in chamber.
Suction tude between described the first one-way valve and pressure gas source is provided with the 6th on-off valve.
Compared with prior art, the utility model has the advantage of: energy accumulation type hydraulic of the present utility model station, high pressure accumulator and low pressure accumulator are set to meet the pressure needs of different operating modes, applicability is good, energy loss is little, low to the performance requirement of equipment, and has reduced equipment cost; Hydraulic drive type inflator can be inflated high pressure accumulator and low pressure accumulator respectively, and hydraulic drive type inflator can directly be got working oil from oil pump, the high pressure liquid of oil pump can be become to high pressure air energy, can meet the high-pressure aerated requirement of accumulator, well beyond the pressure that can inflate of common charger, it is simple and compact for structure, good with the compatibility of system; When to high pressure accumulator step-down, the pressurized gas of high pressure accumulator can also be delivered to low pressure accumulator and supplement simultaneously, reduce the waste of pressurized gas, the object that reaches energy-conserving and environment-protective and reduce costs.
Accompanying drawing explanation
Fig. 1 is the structure principle chart at the utility model energy accumulation type hydraulic station.
Marginal data:
1, oil pump; 11, the first transport pipe; 12, the second transport pipe; 2, high pressure accumulator; 21, outlet pipe; 3, low pressure accumulator; 401, the first on-off valve; 402, the second on-off valve; 403, the 3rd on-off valve; 404, the 4th on-off valve; 405, the 5th on-off valve; 406, the 6th on-off valve; 411, the first control valve; 412, the second control valve; 413, the 3rd control valve; 421, high-voltage safety relief valve; 422, low-voltage safety relief valve; 431, the first one-way valve; 432, the second one-way valve; 5, connecting tube; 6, dividing plate; 7, aeration tank; 71, gas chamber; 711, suction tude; 712, steam outlet pipe; 72, oil-in chamber; 721, oil inlet pipe; 8, pressure gas source; 9, pressure gauge.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, the utility model energy accumulation type hydraulic station, comprise oil pump 1, high pressure accumulator 2, low pressure accumulator 3 and the hydraulic drive type inflator being connected with oil pump 1, the air storing cavity of high pressure accumulator 2 is connected with the air storing cavity of low pressure accumulator 3 by connecting tube 5, connecting tube 5 is provided with the first on-off valve 401 and the second on-off valve 402, and the inflation inlet of hydraulic drive type inflator is connected on the connecting tube 5 between the first on-off valve 401 and the second on-off valve 402.
Above-mentioned high pressure accumulator 2 and low pressure accumulator 3 are existing gas liquid type accumulator, it arranges the separation plate that piston type coordinates in the cavity of sealing, separation plate is separated into two chambers by cavity, a chamber is for injecting the air storing cavity of pressurized gas therein, and another chamber is the oil storage cavity for pressure store oil.The accumulation of energy pressure of the accumulation of energy pressure ratio low pressure accumulator 3 of above-mentioned high pressure accumulator 2 is large, also be that gas pressure in high pressure accumulator 2 is larger than the gas pressure in low pressure accumulator 3, thereby can give respectively system mesohigh executive component and low pressure executive component fuel feeding, can meet the pressure needs of different operating modes, make the applicability of hydraulic station good, energy loss is little, low to the performance requirement of equipment, and reduced equipment cost.The air storing cavity of high pressure accumulator 2 and low pressure accumulator 3 is all connected with pressure gauge 9, is convenient to pressure to monitor.
The first on-off valve 401 is opened, and the second on-off valve 402 is closed, can be by hydraulic drive type inflator to high pressure accumulator 2 inflations; The second on-off valve 402 is opened, and the first on-off valve 401 is closed, can be by hydraulic drive type inflator to low pressure accumulator 3 inflations; When needs are during to high pressure accumulator 2 step-down, the first on-off valve 401 can be opened, more slowly open the second on-off valve 402, the gas of elevated pressures is filled in low pressure accumulator 3, reduced the waste of pressurized gas, the object that reaches energy-conserving and environment-protective and reduce production costs.
In the present embodiment, on connecting tube 5 between the first on-off valve 401 and the second on-off valve 402, by the first control valve 411, be connected with high-voltage safety relief valve 421 and low-voltage safety relief valve 422, when being set as reaching the safe oil pressure relief of high pressure accumulator 2, opens by high-voltage safety relief valve 421, when being set as reaching the safe oil pressure relief of low pressure accumulator 3, opens by low-voltage safety relief valve 422, the first control valve 411 makes high-voltage safety relief valve 421 and low-voltage safety relief valve 422 select one to be communicated with connecting tube 5, the first control valve 411 has two working staties, a working state makes high-voltage safety relief valve 421 be communicated with connecting tube 5, another working state makes low-voltage safety relief valve 422 be communicated with connecting tube 5.When hydraulic drive type inflator is inflated to high pressure accumulator 2, control the first control valve 411 high-voltage safety relief valve 421 is communicated with connecting tube 5, thereby guarantee the safety pressure of high pressure accumulator 2; When hydraulic drive type inflator or high pressure accumulator 2 are given low pressure accumulator 3 inflation, control the first control valve 411 low-voltage safety relief valve 422 is communicated with connecting tube 5, thereby guarantee the safety pressure of low pressure accumulator 3.
In the present embodiment, oil pump 1 is connected with the shoe cream room of high pressure accumulator 2 by the first transport pipe 11, the first transport pipe 11 is provided with the 3rd on-off valve 403, and oil pump 1 is connected with the shoe cream room of low pressure accumulator 3 by the second transport pipe 12, and the second transport pipe 12 is provided with the 4th on-off valve 404.The 3rd on-off valve 403 is opened, and the 4th on-off valve 404 is closed, and can make oil pump 1 to high pressure accumulator 2 fuel feeding, and the 4th on-off valve 404 is opened, and the 3rd on-off valve 403 is closed, and can make oil pump 1 to low pressure accumulator 3 fuel feeding.
In the present embodiment, the aeration tank 7 that hydraulic drive type inflator comprises dividing plate 6 and has airtight inner chamber, dividing plate 6 is slidedly arranged on and in the inner chamber of aeration tank 7 and by inner chamber, is separated into gas chamber 71 and the oil-in chamber 72 of arranging along glide direction, gas chamber 71 is connected with the nitrogen bottle with pressure gas source 8() suction tude 711 being connected and the steam outlet pipe 712 being connected with connecting tube 5, oil-in chamber 72 is connected with the oil inlet pipe 721 for being connected with oil pump 1; Suction tude 711 is provided with the first one-way valve 431 that makes gas only pass into gas chamber 71, and steam outlet pipe 712 is provided with the second one-way valve 432 that makes gas only pass into connecting tube 5.
Above-mentioned oil inlet pipe 721 is provided with and makes oil pump 1 and fuel tank select the 3rd control valve 413 of a connection oil-in chamber 72, the 3rd control valve 413 is solenoid electric valve, it has two working staties by energising and power-off, a working state is that oil inlet pipe 721 is communicated with oil pump 1, make oil pump 1 to oil-in chamber 72 fuel feeding, another working state is that oil inlet pipe 721 is communicated with fuel tank, and the pressure oil in oil-in chamber 72 is discharged in fuel tank.
Suction tude 711 between above-mentioned the first one-way valve 431 and pressure gas source 8 is provided with the 6th on-off valve 406.The 6th on-off valve 406 can make suction tude 711 be communicated with or disconnect, and then whether control gives gas chamber's 71 air feed.
While giving high pressure accumulator 2 inflation, suction tude 711 is connected on pressure gas source 8, controlling the 3rd control valve 413 makes oil-in chamber 72 be communicated with fuel tank, open the 6th on-off valve 406 nitrogen is entered in gas chamber 71 by the first one-way valve 431, nitrogen orders about dividing plate 6 slips makes the volume of oil-in chamber 72 become minimum; Controlling the 3rd control valve 413 makes oil-in chamber 72 be communicated with oil pump 1, oil pump 1 work passes into oil-in chamber 72 by pressure oil, the pressure of the pressure oil pumping due to oil pump 1 is greater than the pressure of nitrogen bottle, also be greater than the pressure of gas chamber's 71 interior nitrogen, nitrogen supercharging in Qi Jiang gas chamber 71, because the effect of the first one-way valve 431 makes the nitrogen in gas chamber 71 can not turn back to nitrogen bottle, the nitrogen of supercharging can be opened the second one-way valve 432 and inflate by 712 pairs of high pressure accumulators 2 of steam outlet pipe, until make the volume of gas chamber 71 become minimum, complete once inflation.If an aeration quantity can not meet the requirement of high pressure accumulator 2, controlling the 3rd control valve 413 makes oil-in chamber 72 be communicated with fuel tank again, because making the nitrogen in high pressure accumulator 2, the second one-way valve 432 can not turn back to gas chamber 71, nitrogen bottle is supplied with nitrogen to gas chamber 71 again by the first one-way valve 431, according to above-mentioned working procedure, can carry out multi-time inflating to high pressure accumulator 2, until meet the demands.Give the principle of low pressure accumulator 3 inflations the same.
The pressure gas source 8 of this hydraulic drive type inflator can directly adopt nitrogen bottle to be connected to suction tude 711 and supply with, pressure oil can directly be supplied with by the oil pump 1 in hydraulic system, the highest inflation pressure can reach the charge oil pressure that oil pump 1 is the highest, by the high pressure liquid of oil pump can be become to high pressure air energy, can meet the high-pressure aerated requirement of accumulator, well beyond the pressure that can inflate of common charger, compare with existing charger, its have simple in structure, with low cost, inflation fast and easy, with the compatible advantages of higher of hydraulic system.
In the present embodiment, between high pressure accumulator 2 and gas chamber 71, be also connected with outlet pipe 21, outlet pipe 21 is provided with the 5th on-off valve 405.On the outlet pipe 21 between the 5th on-off valve 405He gas chamber 71, be also provided with the second control valve 412 simultaneously, the second control valve 412 is solenoid electric valve, it has two working staties, a working state is that outlet pipe 21Yu gas chamber 71 is communicated with, high pressure nitrogen in high pressure accumulator 2 is discharged in gas chamber 71, another working state is that outlet pipe 21 is communicated with external environment condition, and the high pressure nitrogen in high pressure accumulator 2 is discharged in external environment condition.The outlet pipe 21 of the present embodiment is communicated with high pressure accumulator 2 by connecting tube 5, the entrance point of outlet pipe 21 is connected on the connecting tube 5 between the first on-off valve 401 and the second on-off valve 402, by such setting, gas in low pressure accumulator 3 can also be filled in gas chamber 71, make hydraulic drive type inflator possess the function of inflation and gas storage simultaneously, the structure of whole hydraulic system is simpler, and cost is also lower.
By outlet pipe 21 is set, and on outlet pipe 21, be provided with the 5th on-off valve 405, when needs are given high pressure accumulator 2 decompression, can open the first on-off valve 401, close the second on-off valve 402, control the 3rd control valve 413 oil-in chamber 72 is communicated with fuel tank; Open again the 5th on-off valve 405, by controlling the second control valve 412, outlet pipe 21Yu gas chamber 71 is communicated with, the high pressure nitrogen in high pressure accumulator 2 is discharged in gas chamber 71 and is stored, can avoid the waste of nitrogen, reduce production costs.Certainly, also can control the second control valve 412 outlet pipe 21 is communicated with external environment condition, by nitrogen discharge in external environment condition.
The outlet end of above-mentioned outlet pipe 21 is connected on the steam outlet pipe 712 between the second one-way valve 432He gas chamber 71, thereby avoids on aeration tank 7, offering suction port in addition.Specifically, the second control valve 412 adopts two four-way electromagnetic control valves, steam outlet pipe 712 between the second one-way valve 432He gas chamber 71 is divided into two sections, one section connects the second one-way valve 432, another section connects gas chamber 71, above-mentioned two sections of suction tude 711 are connected on the hydraulic fluid port of two connections of the second control valve 412 under normally open, and the hydraulic fluid port of second control valve 412 two other connections is communicated with outlet pipe 21 and external environment condition.Under normal circumstances, the second one-way valve 432Shi Yu gas chamber 71 is communicated with, 21 of outlet pipes communicate with external environment condition, when the second control valve 412 electric after, the second one-way valve 432 is communicated with external environment condition, and outlet pipe 21Ze Yu gas chamber 71 is communicated with, thereby the high pressure nitrogen in high pressure accumulator 2 can be discharged in gas chamber 71.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment.For those skilled in the art, do not departing under the utility model technical conceive prerequisite resulting improvement and conversion also should be considered as protection domain of the present utility model.
Claims (9)
1. an energy accumulation type hydraulic station, it is characterized in that: comprise oil pump (1), high pressure accumulator (2), low pressure accumulator (3) and the hydraulic drive type inflator being connected with described oil pump (1), the air storing cavity of described high pressure accumulator (2) is connected with the air storing cavity of described low pressure accumulator (3) by connecting tube (5), described connecting tube (5) is provided with the first on-off valve (401) and the second on-off valve (402), the inflation inlet of described hydraulic drive type inflator is connected on the connecting tube (5) between described the first on-off valve (401) and the second on-off valve (402).
2. energy accumulation type hydraulic according to claim 1 station, it is characterized in that: described oil pump (1) is connected with the shoe cream room of described high pressure accumulator (2) by the first transport pipe (11), described the first transport pipe (11) is provided with the 3rd on-off valve (403), described oil pump (1) is connected with the shoe cream room of described low pressure accumulator (3) by the second transport pipe (12), and described the second transport pipe (12) is provided with the 4th on-off valve (404).
3. energy accumulation type hydraulic according to claim 1 station, it is characterized in that: connecting tube (5) between described the first on-off valve (401) and the second on-off valve (402) is upper is connected with high-voltage safety relief valve (421) and low-voltage safety relief valve (422) by the first control valve (411), described the first control valve (411) makes high-voltage safety relief valve (421) and low-voltage safety relief valve (422) select one to be communicated with described connecting tube (5).
4. energy accumulation type hydraulic according to claim 1 station, is characterized in that: the air storing cavity of described high pressure accumulator (2) and low pressure accumulator (3) is all connected with pressure gauge (9).
5. according to the energy accumulation type hydraulic station described in any one in claim 1 to 4, it is characterized in that: the aeration tank (7) that described hydraulic drive type inflator comprises dividing plate (6) and has airtight inner chamber, described dividing plate (6) is slidedly arranged on and in the inner chamber of described aeration tank (7) and by described inner chamber, is separated into gas chamber (71) and the oil-in chamber (72) of arranging along glide direction, described gas chamber (71) is connected with the suction tude (711) being connected with pressure gas source (8) and the steam outlet pipe (712) being connected with connecting tube (5), described oil-in chamber (72) is connected with the oil inlet pipe (721) for being connected with described oil pump (1), described suction tude (711) is provided with the first one-way valve (431) that makes gas only pass into gas chamber (71), and described steam outlet pipe (712) is provided with the second one-way valve (432) that makes gas only pass into connecting tube (5).
6. energy accumulation type hydraulic according to claim 5 station, it is characterized in that: described high pressure accumulator (2) is also connected with outlet pipe (21), on described outlet pipe (21), be also provided with the second control valve (412) that makes gas chamber (71) and external environment condition select a connection outlet pipe (21), described outlet pipe (21) is provided with the 5th on-off valve (405).
7. energy accumulation type hydraulic according to claim 6 station, is characterized in that: the entrance point of described outlet pipe (21) is connected on the connecting tube (5) between described the first on-off valve (401) and the second on-off valve (402).
8. energy accumulation type hydraulic according to claim 5 station, is characterized in that: described oil inlet pipe (721) is provided with and makes oil pump (1) and fuel tank select the 3rd control valve (413) of a connection oil-in chamber (72).
9. energy accumulation type hydraulic according to claim 5 station, is characterized in that: the suction tude (711) between described the first one-way valve (431) and pressure gas source (8) is provided with the 6th on-off valve (406).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420405083.8U CN203978969U (en) | 2014-07-22 | 2014-07-22 | Energy accumulation type hydraulic station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420405083.8U CN203978969U (en) | 2014-07-22 | 2014-07-22 | Energy accumulation type hydraulic station |
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| CN203978969U true CN203978969U (en) | 2014-12-03 |
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| CN201420405083.8U Active CN203978969U (en) | 2014-07-22 | 2014-07-22 | Energy accumulation type hydraulic station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132014A (en) * | 2014-07-22 | 2014-11-05 | 株洲市文佳实业有限公司 | Energy accumulation type hydraulic station |
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2014
- 2014-07-22 CN CN201420405083.8U patent/CN203978969U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132014A (en) * | 2014-07-22 | 2014-11-05 | 株洲市文佳实业有限公司 | Energy accumulation type hydraulic station |
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