CN103233941A - Multistage pressure cylinder and pressurization usage method and depressurization usage method thereof - Google Patents
Multistage pressure cylinder and pressurization usage method and depressurization usage method thereof Download PDFInfo
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- CN103233941A CN103233941A CN2013101643259A CN201310164325A CN103233941A CN 103233941 A CN103233941 A CN 103233941A CN 2013101643259 A CN2013101643259 A CN 2013101643259A CN 201310164325 A CN201310164325 A CN 201310164325A CN 103233941 A CN103233941 A CN 103233941A
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000006837 decompression Effects 0.000 claims description 4
- 239000003921 oil Substances 0.000 abstract description 24
- 230000035939 shock Effects 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 5
- 239000010720 hydraulic oil Substances 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract 1
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention relates to a multistage pressure cylinder. According to the multistage pressure cylinder, an ordinary pressure cylinder cavity B is divided into a cavity body B and a cavity body C through adding of a back rod of a piston and a secondary pressure cylinder, multiple pressure ratios which are convertible are provided, one of the cavity body B and the cavity body C, which is provided with the larger effective area, serves as a cavity body D, and the other one of the cavity body B and the cavity body C, which is provided with the smaller effective area, serves as a cavity body E. The pressurization process comprises two steps, firstly, pressure oil is input into the cavity body D, and a cavity body A outputs hydraulic oil with the pressure ratio to be D/A (an area ratio); and then the pressure oil is input into the cavity body D and the cavity body E simultaneously, and the cavity body A outputs the hydraulic oil with the pressure ratio to be (D+E)/A (an area ratio) to complete the pressurization process. During depressurization, firstly, a main hydraulic cylinder is communicated with the cavity body A of the multistage pressure cylinder, the cavity body D is communicated with an energy accumulator group, a liquid is charged into the energy accumulator group after the depressurization with the pressure reducing ratio of A/D (an area ratio) is achieved, and then the depressurization is conducted step by step. The multistage pressure cylinder is used in a hydraulic system of a hydraulic machine to achieve graded pressurization during pressurization, graded energy recovery is achieved stably through conversion of pressure ratios during depressurization, and hydraulic shocks are reduced.
Description
Technical field
The present invention relates to a kind of hydraulic pressure booster cylinder, particularly a kind of multistage pressurized cylinder and pressurization using method and release using method.
Background technique
In the hydraulic press pressing process for the efficient that improves compacting and reduce hydraulic system pipeline and the pressure rating of valve member adopts pressurized cylinder usually, typical structure as Fig. 1 pressurized cylinder is made up of front end housing 1, piston 2, cylinder barrel 3, back cylinder cover 4, the rod end of piston 2, piston 2 and front end housing 1 are formed with the A chamber of bar, and piston 2, cylinder barrel 3, back cylinder cover 4 form the B chamber of no bar.A chamber useful area is less than B chamber useful area, and useful area is than being about between the 1:2.0-2.5 usually.Under the control of hydraulic system, system pressure oil is input to the B chamber during supercharging, through useful area than and the A chamber hydraulic oil of supercharging to the master hydraulic cylinder output of hydraulic press, finish pressurization.
The system pressure oil of hydraulic press is generally at 15-17MPa, maximum pressure can reach 30-35MPa after supercharging, because hydraulic press master hydraulic cylinder volume is bigger, therefore the pressurization of master hydraulic cylinder from the system pressure to the boost pressure is the process that a pressure progressively improves, the initial stage of supercharging, the pressure of master hydraulic cylinder and pressurized cylinder working pressure pressure reduction are near 20MPa, the hydraulic shock that this bigger pressure reduction forms moment not only pressure process is difficult to control, simultaneously also a considerable amount of pressure can be converted into heat energy or noise, waste energy.
Master hydraulic cylinder stored sizable hydraulic pressure energy after compacting was finished, the release pressure recovery can common practices be that the high pressure oil of master hydraulic cylinder epicoele directly unloads and is pressed onto the accumulator group, but it is same because very big pressure difference is arranged, there is hydraulic shock, have to use withstand voltage higher accumulator, and the energy recovery utilization rate is lower.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, it is less to provide a kind of supercharging, release to impact, and the pressurization energy loss is less, the multistage pressurized cylinder that the stress-relief process energy recovery rate is higher and pressurization using method and release using method.
The objective of the invention is to realize by following approach.
Multistage pressurized cylinder, comprise front end housing, cylinder barrel, piston and back cylinder cover, piston, the A chamber of bar before the preceding bar of piston and front end housing are formed with, it is formed main points and is: also include the secondary booster cylinder barrel, piston has back bar, the secondary booster cylinder barrel is fixedly mounted on the rear of back cylinder cover, behind the piston bar pass backward back cylinder cover enter the secondary booster cylinder barrel the tube chamber in, bar behind the piston, cylinder barrel, back cylinder cover is formed with the B chamber of back bar, back cylinder cover, bar behind the piston, the secondary booster cylinder barrel is formed with the C chamber of back bar, has the useful area in a chamber in B chamber and the C chamber at least greater than the useful area in A chamber, A, B, C three chambeies have the oil circuit of external connection respectively.
Two-stage or multistage pressurizing chamber are set like this, realize classification pressurization and classification release, reduce the hydraulic shock of pressurization and stress-relief process.
Purpose of the present invention can also realize by following approach.
How the useful area ratio in B chamber and the C chamber of the relative supercharging in A chamber is set, can be with reference to prior art.Wherein, can be:
Useful area in B chamber and the C chamber is all greater than the useful area in A chamber.Also can be:
The useful area in the wherein chamber in B chamber and the C chamber is greater than the useful area in A chamber, and the useful area in another chamber is then less than the useful area in A chamber.Wherein reasonable level than scope is:
A chamber, B chamber and C chamber useful area are than being 1:1.5:0.8.Can certainly be:
A chamber, B chamber and C chamber useful area are than being 1:0.8:1.5.
Multistage pressurized cylinder pressurization using method comprises the steps,
[1] provides multistage pressurized cylinder, comprise front end housing, cylinder barrel, piston and back cylinder cover, piston, the A chamber of bar before the preceding bar of piston and front end housing are formed with, it is formed main points and is: also include the secondary booster cylinder barrel, piston has back bar, the secondary booster cylinder barrel is fixedly mounted on the rear of back cylinder cover, behind the piston bar pass backward back cylinder cover enter the secondary booster cylinder barrel the tube chamber in, bar behind the piston, cylinder barrel, back cylinder cover is formed with the B chamber of back bar, back cylinder cover, bar behind the piston, the secondary booster cylinder barrel is formed with the C chamber of back bar, has the useful area in a chamber in B chamber and the C chamber at least greater than the useful area in A chamber, what wherein useful area was bigger is the D chamber, what useful area was less is the E chamber, A, B, C three chambeies have the oil circuit of external connection respectively
[2] the HYDRAULIC CONTROL SYSTEM hydraulic power is to D chamber incoming pressure oil, the release of E chamber, and the A chamber is the high pressure oil through supercharging of D cavity area/A cavity area to master hydraulic cylinder output pressure ratio, realizes first order supercharging;
[3] the HYDRAULIC CONTROL SYSTEM hydraulic power is to D chamber and E chamber while incoming pressure oil, and the A chamber is the high pressure oil through supercharging of (D cavity area+E cavity area)/A cavity area to master hydraulic cylinder output pressure ratio, realizes second level supercharging, finishes pressurization.
Above-mentioned steps can further be optimized for:
A chamber, B chamber and C cavity area are than being 1:1.5:0.8.Perhaps
A chamber, B chamber and C chamber useful area are than being 1:0.8:1.5.
Step [2] before, the HYDRAULIC CONTROL SYSTEM hydraulic power is pressurized near hydraulic power pressure master hydraulic cylinder.
Multistage pressurized cylinder release using method comprises the steps,
[1] provides multistage pressurized cylinder, comprise front end housing, cylinder barrel, piston and back cylinder cover, piston, the A chamber of bar before the preceding bar of piston and front end housing 1 are formed with, it is formed main points and is: also include the secondary booster cylinder barrel, piston has back bar, the secondary booster cylinder barrel is fixedly mounted on the rear of back cylinder cover, behind the piston bar pass backward back cylinder cover enter the secondary booster cylinder barrel the tube chamber in, bar behind the piston, cylinder barrel, back cylinder cover 4 is formed with the B chamber of back bar, back cylinder cover, bar behind the piston, the secondary booster cylinder barrel is formed with the C chamber of back bar, has the useful area in a chamber in B chamber and the C chamber at least greater than the useful area in A chamber, what wherein useful area was bigger is the D chamber, what useful area was less is the E chamber, A, B, C three chambeies have the oil circuit of external connection respectively
[2] HYDRAULIC CONTROL SYSTEM A chamber is communicated with the master hydraulic cylinder epicoele, and the E chamber is to the return tube release, and the D chamber is communicated with the accumulator group, and the high pressure oil of master hydraulic cylinder realizes that through multistage pressurized cylinder Pressure reducing ratio is to accumulator group topping up after the decompression of A cavity area/D cavity area;
[3] HYDRAULIC CONTROL SYSTEM A chamber is communicated with the master hydraulic cylinder epicoele, and the E chamber is communicated with the accumulator group, and the D chamber is to the return tube release, and the high pressure oil of master hydraulic cylinder realizes that through multistage pressurized cylinder Pressure reducing ratio is to accumulator group topping up after the decompression of A cavity area/E cavity area.
Step [2] can also comprise step [3] afterwards, HYDRAULIC CONTROL SYSTEM A chamber is communicated with the master hydraulic cylinder epicoele, the E chamber is communicated with the accumulator group, and the D chamber is to the return tube release, and the high pressure oil of master hydraulic cylinder realizes that through multistage pressurized cylinder pressure ratio is to accumulator group topping up after the supercharging of A cavity area/E cavity area.
Above-mentioned steps can further be optimized for:
A chamber, B chamber and C cavity area are than being 1:1.5:0.8.Perhaps
A chamber, B chamber and C chamber useful area are than being 1:0.8:1.5.
The present invention has following advantage compared to existing technology: multiaspect is long-pending than pressurized cylinder, and existing common pressurized cylinder B chamber is divided into B chamber, C chamber by back bar and the secondary booster cylinder barrel that increases piston, and disposable multiple pressure ratio is provided.In the hydraulic press hydraulic system, use multistage pressurized cylinder in pressurization, to realize the classification pressurization, the hydraulic shock when reducing the master cylinder supercharging, the efficient of raising hydraulic system, energy saving.Realize simultaneously in the energy callback course, by the conversion of pressure ratio, make master cylinder from high pressure-charging pressure during release in the stress-relief process, progressively reduce, make more stably because the resiliently deformable energy of hydraulic oil and frame obtains the classification recovery, reduced hydraulic shock, reduced energy consumption simultaneously.
Description of drawings
Fig. 1 is the structural representation of a kind of pressurized cylinder in the prior art;
Fig. 2 is the structural representation of the described multistage pressurized cylinder of most preferred embodiment of the present invention;
Fig. 3 utilizes multistage pressurized cylinder to realize the hydraulic schematic diagram that classification pressurization and release energy reclaim.
Among the figure: 1. front end housing 2. pistons 3. cylinder barrels 4. back cylinder covers 5. pistons
51. bar 7. secondary booster cylinder barrels before bar 52. pistons behind the piston.
Embodiment
Most preferred embodiment:
As shown in Figure 2, multistage pressurized cylinder, comprise front end housing 1, cylinder barrel 3, piston 2 and back cylinder cover 4, piston 2, the A chamber of bar before bar 51 is formed with front end housing 1 before the piston, also include secondary booster cylinder barrel 7, piston has back bar, secondary booster cylinder barrel 7 is fixedly mounted on the rear of back cylinder cover 4, behind the piston bar 51 pass backward back cylinder cover 4 enter secondary booster cylinder barrel 7 the tube chamber in, bar 51 behind the piston, cylinder barrel 3, back cylinder cover 4 is formed with the B chamber of back bar, back cylinder cover 4, bar 51 behind the piston, secondary booster cylinder barrel 7 is formed with the C chamber of back bar, the useful area in B chamber is greater than the A chamber, the useful area in C chamber is less than the A chamber, the A chamber, B chamber and C cavity area are than being 1:1.5:0.8, A, B, C three chambeies have the oil circuit of external connection respectively.
As shown in Figure 3, hydraulic schematic diagram, comprise 201 to 208 totally 8 two-way plug-in valves and with two-way plug-in valve DT201 to DT208 totally 8 electromagnetic priority valves one to one, also comprise shuttle valve 209, its effect is for from bigger a road effectively the controlling to guarantee the two-way plug-in valve 207 of DT207 as the pilot pressure of two-way plug-in valve 207 of two-way plug-in valve 207A chamber and control oil circuit selection pressure, control when multistage pressurized cylinder is applied to the hydraulic press supercharging and comprise the steps that wherein multistage pressurized cylinder is above-mentioned multistage pressurized cylinder shown in Figure 2
[1] master hydraulic cylinder is in the state of preparing pressurization, except DT205 get electric, all the other electromagnetic priority valves all are in power failure state, master hydraulic cylinder is in depressurization phase, multistage pressurized cylinder piston 2 is in the high order end in the compacting cyclic process;
[2] DT201, DT207, DT205 get electricly, and system pressure oil enters the master cylinder epicoele by cartridge valve 201 and cartridge valve 207, and the HYDRAULIC CONTROL SYSTEM hydraulic power has been pressurized near hydraulic power pressure master hydraulic cylinder,
[3] DT202, DT207, DT208, DT205 get, 201 pairs of B chambeies of HYDRAULIC CONTROL SYSTEM hydraulic power cartridge valve incoming pressure oil, chamber, C chamber is by cartridge valve 208 releases, the A chamber is the high pressure oil through supercharging of B cavity area/A cavity area by cartridge valve 207 to master hydraulic cylinder output pressure ratio, realizes first order supercharging;
[4] DT202, DT203, DT207, DT205 get, the HYDRAULIC CONTROL SYSTEM hydraulic power is respectively by cartridge valve 201,202 pairs of B chambeies of cartridge valve and C chamber while incoming pressure oil, A chamber cartridge valve 207 is the high pressure oil through supercharging of (B cavity area+C cavity area)/A cavity area to master hydraulic cylinder output pressure ratio, realize second level supercharging, finish pressurization.
Controlling multistage pressurized cylinder is applied to the hydraulic press pressing process and finishes the release energy and reclaim and comprise the steps that wherein multistage pressurized cylinder is above-mentioned multistage pressurized cylinder shown in Figure 2
[1] except DT205 get electric, all the other electromagnetic priority valves all are in power failure state, master hydraulic cylinder is in to be finished compacting action through supercharging and prepares depressurization phase, multistage pressurized cylinder piston 2 is in the low order end in the compacting cyclic process;
[2] DT202, DT207, DT208, DT205 get, HYDRAULIC CONTROL SYSTEM A chamber is communicated with the master hydraulic cylinder epicoele by cartridge valve 207, cartridge valve 208 is passed through to the return tube release in the C chamber, the B chamber is communicated with the accumulator groups by cartridge valve 202, and the high pressure oil of master hydraulic cylinder realizes that through multistage pressurized cylinder Pressure reducing ratio is to accumulator group topping up after the decompression of A cavity area/B cavity area;
[3] DT201, DT207, DT205 get electricly, and HYDRAULIC CONTROL SYSTEM master hydraulic cylinder epicoele is communicated with accumulators by cartridge valve 201 and cartridge valve 207, and the master hydraulic cylinder epicoele is directly to accumulator group topping up.
[4] DT203, DT205, DT206, DT207 get, because the C cavity area is less than the A cavity area, HYDRAULIC CONTROL SYSTEM A chamber is communicated with the master hydraulic cylinder epicoele by cartridge valve 207, the C chamber is communicated with the accumulator group by cartridge valve 203, to the return tube release, the high pressure oil of master hydraulic cylinder realizes that than pressurized cylinder pressure ratio is to accumulator group topping up after the supercharging of A cavity area/C cavity area through multiaspect is long-pending by cartridge valve 206 in the B chamber;
[5] DT205 dead electricity, to be depressed into tank pressure identical to opening until liquid-filling valve by cartridge valve 205 fuel tank off-loads, finally unloading for the master cylinder epicoele, finishes stress-relief process.
It is same as the prior art that the present invention does not state part.
Claims (13)
1. multistage pressurized cylinder, comprise front end housing, cylinder barrel, piston and back cylinder cover, piston, the A chamber of bar before the preceding bar of piston and front end housing 1 are formed with, it is characterized in that, also include the secondary booster cylinder barrel, piston has back bar, the secondary booster cylinder barrel is fixedly mounted on the rear of back cylinder cover, behind the piston bar pass backward back cylinder cover enter the secondary booster cylinder barrel the tube chamber in, bar behind the piston, cylinder barrel, back cylinder cover 4 is formed with the B chamber of back bar, back cylinder cover, bar behind the piston, the secondary booster cylinder barrel is formed with the C chamber of back bar, has the useful area in a chamber in B chamber and the C chamber at least greater than the useful area in A chamber, A, B, C three chambeies have the oil circuit of external connection respectively.
2. multistage pressurized cylinder according to claim 1 is characterized in that, the useful area in B chamber and the C chamber is all greater than the useful area in A chamber.
3. multistage pressurized cylinder according to claim 1 is characterized in that, the useful area in the wherein chamber in B chamber and the C chamber is greater than the useful area in A chamber, and the useful area in another chamber is then less than the useful area in A chamber.
4. according to claim 1 or 3 described multistage pressurized cylinders, it is characterized in that A chamber, B chamber and C chamber useful area are than being 1:1.5:0.8.
5. according to claim 1 or 3 described multistage pressurized cylinders, it is characterized in that A chamber, B chamber and C chamber useful area are than being 1:0.8:1.5.
6. multistage pressurized cylinder pressurization using method is characterized in that, comprise the steps,
[1] provides multistage pressurized cylinder, comprise front end housing, cylinder barrel, piston and back cylinder cover, piston, the A chamber of bar before the preceding bar of piston and front end housing 1 are formed with, it is formed main points and is: also include the secondary booster cylinder barrel, piston has back bar, the secondary booster cylinder barrel is fixedly mounted on the rear of back cylinder cover, behind the piston bar pass backward back cylinder cover enter the secondary booster cylinder barrel the tube chamber in, bar behind the piston, cylinder barrel, back cylinder cover 4 is formed with the B chamber of back bar, back cylinder cover, bar behind the piston, the secondary booster cylinder barrel is formed with the C chamber of back bar, has the useful area in a chamber in B chamber and the C chamber at least greater than the useful area in A chamber, what wherein useful area was bigger is the D chamber, what useful area was less is the E chamber, A, B, C three chambeies have the oil circuit of external connection respectively
[2] the HYDRAULIC CONTROL SYSTEM hydraulic power is to D chamber incoming pressure oil, the release of E chamber, and the A chamber is the high pressure oil through supercharging of D cavity area/A cavity area to master hydraulic cylinder output pressure ratio, realizes first order supercharging;
[3] the HYDRAULIC CONTROL SYSTEM hydraulic power is to D chamber and E chamber while incoming pressure oil, and the A chamber is the high pressure oil through supercharging of (D cavity area+E cavity area)/A cavity area to master hydraulic cylinder output pressure ratio, realizes second level supercharging, finishes pressurization.
7. multistage pressurized cylinder pressurization using method according to claim 6 is characterized in that A chamber, B chamber and C cavity area are than being 1:1.5:0.8.
8. multistage pressurized cylinder pressurization using method according to claim 6 is characterized in that A chamber, B chamber and C chamber useful area are than being 1:0.8:1.5.
9. multistage pressurized cylinder pressurization using method according to claim 6 is characterized in that, step [2] before, the HYDRAULIC CONTROL SYSTEM hydraulic power is pressurized near hydraulic power pressure master hydraulic cylinder.
10. multistage pressurized cylinder release using method is characterized in that, comprise the steps,
[1] provides multistage pressurized cylinder, comprise front end housing, cylinder barrel, piston and back cylinder cover, piston, the A chamber of bar before the preceding bar of piston and front end housing 1 are formed with, it is formed main points and is: also include the secondary booster cylinder barrel, piston has back bar, the secondary booster cylinder barrel is fixedly mounted on the rear of back cylinder cover, behind the piston bar pass backward back cylinder cover enter the secondary booster cylinder barrel the tube chamber in, bar behind the piston, cylinder barrel, back cylinder cover 4 is formed with the B chamber of back bar, back cylinder cover, bar behind the piston, the secondary booster cylinder barrel is formed with the C chamber of back bar, has the useful area in a chamber in B chamber and the C chamber at least greater than the useful area in A chamber, what wherein useful area was bigger is the D chamber, what useful area was less is the E chamber, A, B, C three chambeies have the oil circuit of external connection respectively
[2] HYDRAULIC CONTROL SYSTEM A chamber is communicated with the master hydraulic cylinder epicoele, and the E chamber is to the return tube release, and the D chamber is communicated with the accumulator group, and the high pressure oil of master hydraulic cylinder realizes that through multistage pressurized cylinder Pressure reducing ratio is to accumulator group topping up after the decompression of A cavity area/D cavity area.
11. multistage pressurized cylinder release using method according to claim 10, it is characterized in that, step [2] can also comprise step [3] afterwards, HYDRAULIC CONTROL SYSTEM A chamber is communicated with the master hydraulic cylinder epicoele, the E chamber is communicated with the accumulator group, the D chamber is to the return tube release, and the high pressure oil of master hydraulic cylinder realizes that through multistage pressurized cylinder pressure ratio is to accumulator group topping up after the supercharging of A cavity area/E cavity area.
12. multistage pressurized cylinder release using method according to claim 10 is characterized in that, A chamber, B chamber and C cavity area are than being 1:1.5:0.8.
13. multistage pressurized cylinder release using method according to claim 10 is characterized in that, A chamber, B chamber and C chamber useful area are than being 1:0.8:1.5.
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| CN201310164325.9A CN103233941B (en) | 2013-05-07 | 2013-05-07 | Multi-stage booster cylinder and pressurize using method and release using method |
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| CN201310164325.9A CN103233941B (en) | 2013-05-07 | 2013-05-07 | Multi-stage booster cylinder and pressurize using method and release using method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452940A (en) * | 2013-09-25 | 2013-12-18 | 山东科技大学 | Integrated valve block |
| CN103470550A (en) * | 2013-09-25 | 2013-12-25 | 山东科技大学 | Pressurizing device |
| CN103470549A (en) * | 2013-09-25 | 2013-12-25 | 山东科技大学 | Pressurizing cylinder |
| CN107939779A (en) * | 2017-11-24 | 2018-04-20 | 冯广建 | A kind of damp type hydraulic cylinder action signal supercharging device |
| CN110563089A (en) * | 2019-08-05 | 2019-12-13 | 江苏科技大学 | High-pressure energy recovery device for reverse osmosis seawater desalination system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1034793A (en) * | 1988-02-06 | 1989-08-16 | 中南工业大学 | Stepless frequency-adjusting and cone valve controlled hydraulic shocking device |
| US6003429A (en) * | 1995-07-06 | 1999-12-21 | Komatsu Ltd. | High speed and high-load cylinder device and method for controlling the same |
| EP1344946A2 (en) * | 2002-03-12 | 2003-09-17 | Yugenkaisha Honda Seisakusho | Double-acting pressure intensifying cylinder and method for intensifying pressure in the cylinder |
| CN1965168A (en) * | 2004-06-08 | 2007-05-16 | 博世力士乐股份有限公司 | Drive unit |
| CN102022398A (en) * | 2009-09-17 | 2011-04-20 | 刘芳 | Structure of hydraulic pneumatic pressure cylinder |
| CN102878147A (en) * | 2012-10-29 | 2013-01-16 | 山西天创液压机械设备制造有限公司 | Acceleration oil cylinder device |
| CN202789782U (en) * | 2012-09-26 | 2013-03-13 | 潍坊市华玉塑料机械有限公司 | Pressurizing type oil cylinder |
| CN202811571U (en) * | 2012-08-30 | 2013-03-20 | 中国地质科学院勘探技术研究所 | Supercharged oil cylinder |
| CN202883540U (en) * | 2012-10-29 | 2013-04-17 | 山西天创液压机械设备制造有限公司 | Accelerating oil cylinder device |
-
2013
- 2013-05-07 CN CN201310164325.9A patent/CN103233941B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1034793A (en) * | 1988-02-06 | 1989-08-16 | 中南工业大学 | Stepless frequency-adjusting and cone valve controlled hydraulic shocking device |
| US6003429A (en) * | 1995-07-06 | 1999-12-21 | Komatsu Ltd. | High speed and high-load cylinder device and method for controlling the same |
| EP1344946A2 (en) * | 2002-03-12 | 2003-09-17 | Yugenkaisha Honda Seisakusho | Double-acting pressure intensifying cylinder and method for intensifying pressure in the cylinder |
| CN1965168A (en) * | 2004-06-08 | 2007-05-16 | 博世力士乐股份有限公司 | Drive unit |
| CN102022398A (en) * | 2009-09-17 | 2011-04-20 | 刘芳 | Structure of hydraulic pneumatic pressure cylinder |
| CN202811571U (en) * | 2012-08-30 | 2013-03-20 | 中国地质科学院勘探技术研究所 | Supercharged oil cylinder |
| CN202789782U (en) * | 2012-09-26 | 2013-03-13 | 潍坊市华玉塑料机械有限公司 | Pressurizing type oil cylinder |
| CN102878147A (en) * | 2012-10-29 | 2013-01-16 | 山西天创液压机械设备制造有限公司 | Acceleration oil cylinder device |
| CN202883540U (en) * | 2012-10-29 | 2013-04-17 | 山西天创液压机械设备制造有限公司 | Accelerating oil cylinder device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452940A (en) * | 2013-09-25 | 2013-12-18 | 山东科技大学 | Integrated valve block |
| CN103470550A (en) * | 2013-09-25 | 2013-12-25 | 山东科技大学 | Pressurizing device |
| CN103470549A (en) * | 2013-09-25 | 2013-12-25 | 山东科技大学 | Pressurizing cylinder |
| CN103470549B (en) * | 2013-09-25 | 2014-09-10 | 山东科技大学 | Pressurizing cylinder |
| CN107939779A (en) * | 2017-11-24 | 2018-04-20 | 冯广建 | A kind of damp type hydraulic cylinder action signal supercharging device |
| CN107939779B (en) * | 2017-11-24 | 2024-05-24 | 冯广建 | Damping type hydraulic cylinder action signal supercharging device |
| CN110563089A (en) * | 2019-08-05 | 2019-12-13 | 江苏科技大学 | High-pressure energy recovery device for reverse osmosis seawater desalination system |
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| CN103233941B (en) | 2016-08-17 |
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