CN102380239A - Vertical type filter press hydraulic system - Google Patents
Vertical type filter press hydraulic system Download PDFInfo
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- CN102380239A CN102380239A CN2011103094242A CN201110309424A CN102380239A CN 102380239 A CN102380239 A CN 102380239A CN 2011103094242 A CN2011103094242 A CN 2011103094242A CN 201110309424 A CN201110309424 A CN 201110309424A CN 102380239 A CN102380239 A CN 102380239A
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Abstract
The invention relates to a hydraulic circuit controlled by stroke, especially relates to a vertical type filter press hydraulic system. The vertical type filter press hydraulic system comprises a plurality of double acting hydraulic cylinders which drive the filter press respectively, a hydraulic motor, a fuel tank and a hydraulic pump used for a driving device and a tensioning apparatus, a control inserted valve group capable of realizing series/parallel connection switching function is spliced with the double acting hydraulic cylinders. The control inserted valve group comprises a main valve, a plurality of reversing valves, a plurality of cartridge inserted valves, a plurality of hydraulic cylinder pipeline interfaces and a plurality of hydraulic station pipeline interfaces; an upper chamber and a lower chamber of the hydraulic cylinder are spliced with the hydraulic cylinder pipeline interfaces of the control inserted valve group. The invention has the advantages of fast operation speed of the hydraulic cylinders connected in series, high synchronization precision and low energy consumption, and the high pressure sealing is realized when the hydraulic cylinders connected in parallels.
Description
Technical field
The present invention relates to the Stroke Control hydraulic circuit, relate in particular to a kind of vertical type blotter press hydraulic system.
Background technology
The power of vertical type blotter press operation at present mainly contains hydraulic pressure, hydraulic pressure and various ways such as mechanical mixture, machinery.All there is the poorly sealed generation leakage phenomenon of barrier film compression stage filter plate assembly in form such as hydraulic pressure and mechanical mixture, machinery.And hydraulic power is to use the most extensively, move form the most stably at present; Whole hydraulic system through different valve group control oil circuits and hydraulic cylinder, satisfies different institutions motion requirement by the hydraulic pump fuel feeding, as: filter plate assembly up-down and sealing, filter cloth driving, filter cloth tensioning etc.
In hydraulic control mode, hydraulic cylinder drives filter plate assembly up-down and sealing, and the stationarity of filter plate assembly is determined by the hydraulic cylinder synchronous precision.
There are shortcomings such as the speed of service is slow, synchronization accuracy is low, contamination resistance difference in synchronous schemes such as the most synchronous valve that adopts of vertical type blotter press hydraulic system, syncmotor, flow speed control valve at present; Proportioning valve synchronization scenario synchronization accuracy is high but shortcomings such as complicacy, debug difficulties, adaptive capacity difference are controlled in existence; In addition, shortcomings such as such scheme ubiquity energy consumption height, processing cost height.
Summary of the invention
The objective of the invention is to solve above-mentioned hydraulic system synchronization scenario technical deficiency and develop and a kind ofly form by hydraulic pump, control cartridge valve group, electromagnetic relief valve, solenoid directional control valve, double acting hydraulic cylinder, hydraulic motor etc.; Hydraulic system with advantages such as the speed of service are fast, synchronization accuracy is high, series/parallel can switch arbitrarily, contamination resistance is strong, and energy consumption and processing cost are low.
The object of the invention is realized through following technical scheme:
The vertical type blotter press hydraulic system; Comprise used hydraulic motor 12, fuel tank 15, the hydraulic pump 1 of a plurality of double acting hydraulic cylinders, driving and tensioning apparatus that drives filter press respectively, what continue with double acting hydraulic cylinder is the control cartridge valve group 9 that can realize the series/parallel handoff functionality.
Further; Control cartridge valve group 9 comprises main valve body 97, a plurality of reversal valve 95, a plurality of inserted valve 96, a plurality of hydraulic cylinder pipe interface, a plurality of Hydraulic Station pipe interface, the upper and lower chamber of hydraulic cylinder with control the cartridge valve group each the hydraulic cylinder pipe interface is corresponding continues; Wherein: the cavity of resorption pipeline of first hydraulic cylinder and the epicoele pipeline of last hydraulic cylinder hydraulic cylinder pipe interface 924 that continues respectively directly is communicated with Hydraulic Station pipe interface 91 and Hydraulic Station pipe interface 92 with hydraulic cylinder pipe interface 911 with hydraulic cylinder pipe interface 911 and hydraulic cylinder pipe interface 924, continues respectively and be communicated with Hydraulic Station pipe interface 91 and Hydraulic Station pipe interface 92 behind inserted valve 96, the reversal valve 95 in the upper and lower lumen road of other hydraulic cylinders.
A nearlyer step ground; The Hydraulic Station pipe interface 91 of control cartridge valve group 9 and Hydraulic Station pipe interface 92 continue successively downwards one-way throttle valve 7, hydraulic control one-way valve 6; Electro-hydraulic reversing valve 5 then continues; Electro-hydraulic reversing valve connects overflow valve 35 times, and overflow valve connects the hydraulic pump 1 that links to each other with motor 2 for 3 times, 1 time connected tank 15 of hydraulic pump.
The Hydraulic Station pipe interface 93 of control cartridge valve group 9 continues with accumulator 4, and Hydraulic Station pipe interface 94 continues with fuel tank 15.
Between electro-hydraulic reversing valve 5 and the overflow valve 3 also successively and be connected to pressure-reducing valve 14, solenoid directional control valve 13, hydraulic motor 12, one-way throttle valve 11.
Be provided with pressure sensor 8 between control cartridge valve group 9 and the one-way throttle valve 7.
The present invention has following good effect: adopt series system to connect when hydraulic cylinder leans out fast among the present invention, the oil return of epicoele directly enters into the cavity of resorption of next hydraulic cylinder in the first hydraulic cylinder cavity of resorption oil-feed process, and the like; Hydraulic oil is got back to fuel tank from the epicoele of last hydraulic cylinder, realizes each hydraulic cylinder series connection; It is opposite that hydraulic cylinder when withdrawal upper and lower cavity passes in and out oily mode.The hydraulic cylinder speed of service can improve 2～4 times during series connection, and synchronization accuracy is high, error can be controlled in the 2mm/m, and energy consumption is low.During the filter plate assembly sealing, hydraulic cylinder is switched to parallel way, realize high pressure sealing through the cartridge valve group.
Control cartridge valve group works to switch hydraulic cylinder series/parallel connected mode, overcomes series, parallel separately shortcoming the time, at utmost performance advantage separately; Have stronger contamination resistance and lower processing cost.
Description of drawings
Fig. 1 is a hydraulic schematic diagram of the present invention;
Fig. 2 is the structural representation that the present invention controls the cartridge valve group;
Fig. 3 is the vertical view of Fig. 2.
Among the figure: 1 hydraulic pump, 2 motors, 3 overflow valves, 4 accumulators, 5 electro-hydraulic reversing valves; 6 hydraulic control one-way valves, 7 one-way throttle valves, 8 pressure sensors, 9 control cartridge valve groups, 91-94 Hydraulic Station pipe interface; 911-914,921-924 hydraulic cylinder pipe interface, 95 reversal valves, 96 inserted valves, 97 main valve bodies, 101-104 hydraulic cylinder; 11 one-way throttle valves, 12 hydraulic motors, 13 solenoid directional control valves, 14 pressure-reducing valves, 15 fuel tanks.
The specific embodiment
In conjunction with accompanying drawing, specify the present invention, and provide specific embodiment, be used to further specify the present invention.
The vertical type blotter press hydraulic system comprises 4 double acting hydraulic cylinders 101,102,103,104 that drive filter press, hydraulic motor 12, fuel tank 15, hydraulic pump 1, control cartridge valve group 9; The cavity of resorption pipeline of double acting hydraulic cylinder 101 continues with the hydraulic cylinder pipe interface 911 of control cartridge valve group 9, and its epicoele pipeline continues with the hydraulic cylinder pipe interface 921 of control cartridge valve group 9; The cavity of resorption pipeline of double acting hydraulic cylinder 102 continues with the hydraulic cylinder pipe interface 912 of control cartridge valve group 9, and its epicoele pipeline continues with the hydraulic cylinder pipe interface 922 of control cartridge valve group 9; The cavity of resorption pipeline of double acting hydraulic cylinder 103 continues with the hydraulic cylinder pipe interface 913 of control cartridge valve group 9, and its epicoele pipeline continues with the hydraulic cylinder pipe interface 923 of control cartridge valve group 9; The cavity of resorption pipeline of double acting hydraulic cylinder 104 continues with the hydraulic cylinder pipe interface 914 of control cartridge valve group 9, and its epicoele pipeline continues with the hydraulic cylinder pipe interface 924 of control cartridge valve group 9; Hydraulic cylinder pipe interface 924 directly is communicated with Hydraulic Station pipe interface 92; Hydraulic cylinder pipe interface 911 directly is communicated with Hydraulic Station pipe interface 91; Hydraulic cylinder pipe interface 921,922,923 is communicated with Hydraulic Station pipe interface 92 through inserted valve 96; Hydraulic cylinder pipe interface 912,913,914 is communicated with Hydraulic Station pipe interface 91 through inserted valve 96; Inserted valve 96 is connected with reversal valve 95.
The Hydraulic Station pipe interface 91 of control cartridge valve group 9 and Hydraulic Station pipe interface 92 continue successively downwards one-way throttle valve 7, hydraulic control one-way valve 6; Electro-hydraulic reversing valve 5 then continues; Electro-hydraulic reversing valve connects overflow valve 35 times; Overflow valve connects the hydraulic pump 1 that links to each other with motor 2 for 3 times, 1 time connected tank 15 of hydraulic pump.The Hydraulic Station pipe interface 93 of control cartridge valve group 9 continues with accumulator 4, and Hydraulic Station pipe interface 94 continues with fuel tank 15.Between electro-hydraulic reversing valve 5 and the overflow valve 3 also successively and be connected to pressure-reducing valve 14, solenoid directional control valve 13, hydraulic motor 12, one-way throttle valve 11.Be provided with pressure sensor 8 between control cartridge valve group 9 and the one-way throttle valve 7.
When the hydraulic cylinder group leant out fast, 912 and 921,913 and 922,914 and 923 inserted valve was opened, and the hydraulic oil of its epicoele directly gets into the cavity of resorption of next hydraulic cylinder in the time of last hydraulic cylinder cavity of resorption oil-feed, advances successively, realizes the series connection of hydraulic cylinder group; When treating that hydraulic cylinder arrives the precalculated position; 912 with 921,913 and 922,914 and 923 different hydraulic cylinders between inserted valve close; 912,913,914,921,922,923 inserted valves that continue are opened, and the hydraulic cylinder group realizes parallel connection, realize leaning out at a slow speed and high pressure sealing.Action request is identical during the withdrawal of hydraulic cylinder group.
The sequence of movement of hydraulic cylinder is:
1, hydraulic cylinder group piston rod divide lean out fast, lean out at a slow speed/high pressure compresses, fast retractile, course of action such as withdrawal at a slow speed.
2, during hydraulic cylinder group piston rod fast retractile, the filter press filter board assembly begins closure, and for being connected in series, the speed of service is fast, synchronization accuracy is high, fuel delivery is few, energy consumption is low between hydraulic cylinder.
3, hydraulic cylinder is withdrawn at a slow speed and is compressed the stage until high pressure, and hydraulic cylinder changes into and being connected in parallel, and realizes that high pressure compresses.This stage stroke is very short, and the whole process that leans out of comparing is all used parallel way, and fuel delivery reduces a lot.
4, hydraulic cylinder fast, when leaning out at a slow speed, the process of its course of work and withdrawal is similar.
It is understandable that, only provided part embodiment of the present invention in this specification, according to above-mentioned principle, the present invention can also carry out suitable change and modification to the above-mentioned specific embodiment.Therefore, the specific embodiment that discloses and describe above the present invention is not limited to also should fall into modifications more of the present invention and change in the protection domain of claim of this patent.In addition, although used some specific terms in this specification, these terms are explanation for ease just, the present invention is not constituted any restriction.
Claims (6)
1. a vertical type blotter press hydraulic system comprises a plurality of hydraulic cylinders (101,102 that drive filter press respectively; 103; 104), driving and used hydraulic motor (12), fuel tank (15), the hydraulic pump (1) of tensioning apparatus, it is characterized in that and hydraulic cylinder (101,102; What 103,104) continue is the control cartridge valve group (9) that can realize the series/parallel handoff functionality.
2. a kind of vertical type blotter press hydraulic system according to claim 1 is characterized in that described control cartridge valve group (9) comprises main valve body (97), a plurality of reversal valve (95), a plurality of inserted valve (96), a plurality of hydraulic cylinder pipe interface (911,912,913; 914,921,922; 923,924), a plurality of Hydraulic Station pipe interfaces (91,92; 93,94), the upper and lower chamber of hydraulic cylinder and control cartridge valve group each the hydraulic cylinder pipe interface is corresponding continues; Wherein: the epicoele pipeline of the cavity of resorption pipeline of first hydraulic cylinder (101) and last hydraulic cylinder (104) the hydraulic cylinder pipe interface (924) that continues respectively directly is communicated with Hydraulic Station pipe interface (91) and Hydraulic Station pipe interface (92) with hydraulic cylinder pipe interface (911) with hydraulic cylinder pipe interface (911) and hydraulic cylinder pipe interface (924), and continue respectively inserted valve (96), reversal valve (95) of the upper and lower lumen road of other hydraulic cylinders afterwards is communicated with Hydraulic Station pipe interface 91 and Hydraulic Station pipe interface 92.
3. a kind of vertical type blotter press hydraulic system according to claim 1 and 2; Two of A, the B that it is characterized in that controlling cartridge valve group (9) connects the mouth of pipe continue successively one-way throttle valve (7), hydraulic control one-way valve (6) downwards; Electro-hydraulic reversing valve (5) then continues; Connect overflow valve (3) under the electro-hydraulic reversing valve (5), connect the hydraulic pump (1) that joins with motor (2) under the overflow valve (3), hydraulic pump (1) is connected tank (15) down.
4. a kind of vertical type blotter press hydraulic system according to claim 1 and 2 is characterized in that P mouth and the accumulator (4) of controlling cartridge valve group (9) continue, and T mouth and fuel tank 15 continue.
5. a kind of vertical type blotter press hydraulic system according to claim 3 is characterized in that between electro-hydraulic reversing valve (5) and the overflow valve (3) also successively and is connected to pressure-reducing valve (14), solenoid directional control valve (13), hydraulic motor (12), one-way throttle valve (11).
6. a kind of vertical type blotter press hydraulic system according to claim 3 is characterized in that controlling between cartridge valve group (9) and the one-way throttle valve (7) and is provided with pressure sensor (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110309424.2A CN102380239B (en) | 2011-10-13 | 2011-10-13 | Vertical type filter press hydraulic system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110309424.2A CN102380239B (en) | 2011-10-13 | 2011-10-13 | Vertical type filter press hydraulic system |
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| CN102380239A true CN102380239A (en) | 2012-03-21 |
| CN102380239B CN102380239B (en) | 2016-01-20 |
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| CN201110309424.2A Active CN102380239B (en) | 2011-10-13 | 2011-10-13 | Vertical type filter press hydraulic system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481945A (en) * | 2014-10-28 | 2015-04-01 | 山东泰安煤矿机械有限公司 | Hydraulic device for filter press |
| WO2015078089A1 (en) * | 2013-11-28 | 2015-06-04 | 付礼成 | Circular-flow power machine |
| CN108854392A (en) * | 2018-07-20 | 2018-11-23 | 刘波 | A kind of multi-mode deduster |
| CN110723373A (en) * | 2019-10-15 | 2020-01-24 | 苏州嘉诺环境工程有限公司 | Bag breaking machine |
| EP3569872A4 (en) * | 2018-03-23 | 2020-03-04 | Jiangsu Goldwind Science & Technology Co., Ltd. | Barring device hydraulic driving system and driving method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4343235A (en) * | 1979-01-31 | 1982-08-10 | Johnson-Progress, Ltd. | Filter presses |
| CN101249330A (en) * | 2008-03-31 | 2008-08-27 | 江苏新宏大集团有限公司 | Vertical type blotter press |
| CN201953731U (en) * | 2010-11-24 | 2011-08-31 | 中原特种车辆有限公司 | Multi-cylinder synchronous operation control system |
| CN202538447U (en) * | 2011-10-13 | 2012-11-21 | 核工业烟台同兴实业有限公司 | Vertical press filter hydraulic system |
-
2011
- 2011-10-13 CN CN201110309424.2A patent/CN102380239B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4343235A (en) * | 1979-01-31 | 1982-08-10 | Johnson-Progress, Ltd. | Filter presses |
| CN101249330A (en) * | 2008-03-31 | 2008-08-27 | 江苏新宏大集团有限公司 | Vertical type blotter press |
| CN201953731U (en) * | 2010-11-24 | 2011-08-31 | 中原特种车辆有限公司 | Multi-cylinder synchronous operation control system |
| CN202538447U (en) * | 2011-10-13 | 2012-11-21 | 核工业烟台同兴实业有限公司 | Vertical press filter hydraulic system |
Non-Patent Citations (1)
| Title |
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| 成大先: "《机械设计手册》", 30 April 1998, 化学工业出版社 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015078089A1 (en) * | 2013-11-28 | 2015-06-04 | 付礼成 | Circular-flow power machine |
| CN104481945A (en) * | 2014-10-28 | 2015-04-01 | 山东泰安煤矿机械有限公司 | Hydraulic device for filter press |
| EP3569872A4 (en) * | 2018-03-23 | 2020-03-04 | Jiangsu Goldwind Science & Technology Co., Ltd. | Barring device hydraulic driving system and driving method |
| AU2018386354B2 (en) * | 2018-03-23 | 2020-10-01 | Jiangsu Goldwind Science & Technology Co., Ltd. | Hydraulic driving system and driving method for barring |
| US11149706B2 (en) | 2018-03-23 | 2021-10-19 | Jiangsu Goldwind Science & Technology Co., Ltd. | Hydraulic driving system and driving method for barring |
| CN108854392A (en) * | 2018-07-20 | 2018-11-23 | 刘波 | A kind of multi-mode deduster |
| CN110723373A (en) * | 2019-10-15 | 2020-01-24 | 苏州嘉诺环境工程有限公司 | Bag breaking machine |
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|---|---|
| CN102380239B (en) | 2016-01-20 |
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Address after: 265307 Qixia Economic Development Zone, Yantai, Shandong, China (C) Patentee after: Nuclear industry Yantai Tongxing Industrial Group Co. Ltd. Address before: 265307 Shandong province Qixia Economic Development Zone C district (Songshan) Patentee before: Nuclear Industry Yantai Tongxing Co., Ltd. |
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Effective date of registration: 20210205 Address after: 265300 no.1928, Yingbin Road, Qixia City, Shandong Province Patentee after: YANTAI HEJING CERAMIC NEW MATERIALS Co.,Ltd. Address before: 265307 C District, Qixia Economic Development Zone, Yantai, Shandong (Songshan) Patentee before: NUCLEAR INDUSTRY YANTAI TONCIN INDUSTRY Co.,Ltd. |