CN2717677Y - Quadrangular balance electrohydraulic controller for super large planar hydraulic press - Google Patents
Quadrangular balance electrohydraulic controller for super large planar hydraulic press Download PDFInfo
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- CN2717677Y CN2717677Y CN 200420029383 CN200420029383U CN2717677Y CN 2717677 Y CN2717677 Y CN 2717677Y CN 200420029383 CN200420029383 CN 200420029383 CN 200420029383 U CN200420029383 U CN 200420029383U CN 2717677 Y CN2717677 Y CN 2717677Y
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- leveling
- leveling cylinder
- vats
- absolute value
- hydraulic press
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Abstract
The utility model relates to a quadrangular balance electro-hydraulic controller for super large planar hydraulic press, which comprises an upper crossbeam, a walking beam, hydraulic pressure leveling vats, absolute magnitude displacement sensors and proportion servo valves. Four hydraulic pressure leveling vats are respectively fixed on the four angles of the upper crossbeam, the lower ends of the four leveling vats are respectively connected with the walking beam whose four angles are provided with the absolute magnitude displacement sensors corresponding to the leveling vats, and the two proportion servo valves are respectively connected with the two sets of level vats. The utility model has the advantages of convenient installation, rapid and accurate leveling reflect speed, contracting processing time and increasing production efficiency. Furthermore, the hydraulic press leveling vats adopt active type adjusting without increasing pressure tonnage in order to compensate the resistance created by the weight of the passive adjusting leveling vats, and the utility model is especially suitable for hydraulic press with super large mesa.
Description
Technical field
The utility model belongs to hydraulic machinery, particularly relate to a kind ofly be convenient to install, leveling four jiaos of balance electrofluidic control devices of super large plane hydraulic press fast and accurately.
Background technology
Present known hydraulic press table top balance electrofluidic control device adopts the passive type leveling, its structure is installed on the sill for the leveling cylinder, and be benchmark with a leveling cylinder, other three leveling cylinders are regulated, each leveling cylinder all need be equipped with proportional servo valve simultaneously, when to the leveling of hydraulic press table top, moving beam moves downward and acts on the leveling cylinder, this moment, moving beam need overcome the resistance that is produced by four weight of leveling cylinder own, therefore hydraulic press also need increase the pressure tonnage and just can reach normal pressure, so cause the corresponding raising of the cost of hydraulic press; It is slow to carry out hydraulic press table top leveling response speed with this kind structure, and precision is low.
Summary of the invention
The utility model provides a kind of and is convenient to install for solving the technical problem that exists in the known technology, leveling four jiaos of balance electrofluidic control devices of super large plane hydraulic press fast and accurately.
The technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is:
Four jiaos of balance electrofluidic control devices of super large plane hydraulic press, be by entablature, moving beam, the hydraulic leveling cylinder, sensor and servo valve are formed, it is characterized in that: the hydraulic leveling cylinder is packed in the corner location of entablature, their layout is: right front leveling cylinder and left rear corner are established in the right front angle of entablature, and to establish left back leveling cylinder be one group, right back angle is established right back leveling cylinder and left-front corner and is established left front leveling cylinder and be another group, the lower end of four leveling cylinders is connected with moving beam respectively, be provided with the absolute value displacement transducer corresponding with aforementioned leveling cylinder at moving Liang Sijiaoweizhichu, two proportional servo valves are connected with two groups of leveling cylinders respectively by pipeline.
The utility model can also adopt following technical measures:
The layout of described absolute value displacement transducer is: the corresponding right front leveling cylinder of right front absolute value displacement transducer, the corresponding left back leveling cylinder of left back absolute value displacement transducer, the corresponding right back leveling cylinder of right back absolute value displacement transducer, the corresponding left front leveling cylinder of left front absolute value displacement transducer.
One of them is connected described proportional servo valve with left back leveling cylinder with right front leveling cylinder, and another is connected with left front leveling cylinder with right back leveling cylinder.
Advantage and the good effect that the utlity model has are: because hydraulic press leveling cylinder of the present utility model is arranged on four jiaos of entablature, and realize four jiaos of balances controls of hydraulic press table top by two groups of leveling settings that two groups of corresponding angles absolute value displacement transducers and leveling cylinder constitute, be convenient to install, the leveling response speed is fast and accurately, shorten process time, enhance productivity; Hydraulic press leveling cylinder adopts active adjusting in addition, need not to increase the pressure tonnage, remedies passive type and regulates the resistance that the weight of leveling cylinder own is produced, and this device is particularly useful for the hydraulic press of super large table top, and has vast market prospect.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a hydraulic schematic diagram of the present utility model.
Among the figure: the right front absolute value displacement transducer of 1-1, the left back absolute value displacement transducer of 1-2, the left front absolute value displacement transducer of 1-3, the right back absolute value displacement transducer of 1-4, the right front leveling cylinder of 2-1, the left back leveling cylinder of 2-2, the left front leveling cylinder of 2-3, the right back leveling cylinder of 2-4,3 proportional servo valves, 4 entablatures, 5 moving beams.
The specific embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
See also Fig. 1 and Fig. 2, four jiaos of balance electrofluidic control devices of super large plane hydraulic press, be by entablature 4, moving beam 5, hydraulic leveling cylinder 2-1, absolute value displacement transducer 1-1 and proportional servo valve 3 are formed, four hydraulic leveling cylinders are packed in the corner location of entablature 4 respectively, their layout is: right front leveling cylinder 2-1 and left rear corner are established in the right front angle of entablature, and to establish left back leveling cylinder 2-2 be one group, left-front corner is established left front leveling cylinder 2-3 and right back angle and is established right back leveling cylinder 2-4 and be another group, the lower end of four leveling cylinders is connected with moving beam 5 respectively, be provided with the absolute value displacement transducer corresponding with aforementioned leveling cylinder at moving Liang Sijiaoweizhichu, the layout of described absolute value displacement transducer is: the corresponding right front leveling cylinder 2-1 of right front absolute value displacement transducer 1-1, the corresponding left back leveling cylinder 2-2 of left back absolute value displacement transducer 1-2, the corresponding right back leveling cylinder 2-4 of right back absolute value displacement transducer 1-4, the corresponding left front leveling cylinder 2-3 of left front absolute value displacement transducer 1-3.Two proportional servo valves 3 are connected with two groups of leveling cylinders respectively by pipeline, and one of them is connected with left back leveling cylinder with right front leveling cylinder, and another is connected with left front leveling cylinder with right back leveling cylinder.
Operation principle of the present utility model is:
When the motor-driven beam of hydraulic pressure is carried out leveling, to move beam and be considered as a complete rigidity body, the elastic deformation of moving beam is considered as zero when pressurization, two groups of diagonal angle leveling cylinders on the moving beam are respectively by two proportional servo valve controls, detect moving beam four angular displacements respectively with the absolute value displacement transducer, right front absolute value displacement transducer 1-1 and left back absolute value displacement transducer 1-2 detect the right front angle of moving beam and the displacement of left rear corner respectively, if two angular displacements surpass the allowable error value, if the moving right front angle of beam is greater than left rear corner, the YAE1 of proportional servo valve 3 obtains 0-+10V voltage, right front leveling cylinder 2-1 descends, left back leveling cylinder 2-2 rises, if move the right front angle of beam less than left rear corner, the YAE1 of proportional servo valve 3 obtains-10-0V voltage, right front leveling cylinder rises, and left back leveling cylinder descends; Right back absolute value displacement transducer 1-4 and left front absolute value displacement transducer 1-3 detect the right back angle of moving beam and the displacement of left-front corner respectively, if two angular displacements surpass the allowable error value, if the moving right back angle of beam is greater than left-front corner, the YAE1 of proportional servo valve 3 obtains 0-+10V voltage, and right back leveling cylinder 2-4 descends, and left front leveling cylinder 2-3 rises, if the moving right back angle of beam is less than left-front corner, the YAE1 of proportional servo valve 3 obtains-10-0V voltage, and right back leveling cylinder rises, and left front leveling cylinder descends.
Claims (3)
1. four jiaos of balance electrofluidic control devices of a super large plane hydraulic press, be by entablature, moving beam, the hydraulic leveling cylinder, sensor and servo valve are formed, it is characterized in that: the hydraulic leveling cylinder is packed in the corner location of entablature, their layout is: right front leveling cylinder and left rear corner are established in the right front angle of entablature, and to establish left back leveling cylinder be one group, right back angle is established right back leveling cylinder and left-front corner and is established left front leveling cylinder and be another group, the lower end of four leveling cylinders is connected with moving beam respectively, be provided with the absolute value displacement transducer corresponding with aforementioned leveling cylinder at moving Liang Sijiaoweizhichu, two proportional servo valves are connected with two groups of leveling cylinders respectively by pipeline.
2. four jiaos of balance electrofluidic control devices of super large according to claim 1 plane hydraulic press, it is characterized in that: the layout of described absolute value displacement transducer is: the corresponding right front leveling cylinder of right front absolute value displacement transducer, the corresponding left back leveling cylinder of left back absolute value displacement transducer, the corresponding right back leveling cylinder of right back absolute value displacement transducer, the corresponding left front leveling cylinder of left front absolute value displacement transducer.
3. four jiaos of balance electrofluidic control devices of super large according to claim 1 plane hydraulic press is characterized in that: one of them is connected described proportional servo valve with left back leveling cylinder with right front leveling cylinder, and another is connected with left front leveling cylinder with right back leveling cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420029383 CN2717677Y (en) | 2004-07-23 | 2004-07-23 | Quadrangular balance electrohydraulic controller for super large planar hydraulic press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420029383 CN2717677Y (en) | 2004-07-23 | 2004-07-23 | Quadrangular balance electrohydraulic controller for super large planar hydraulic press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2717677Y true CN2717677Y (en) | 2005-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420029383 Expired - Fee Related CN2717677Y (en) | 2004-07-23 | 2004-07-23 | Quadrangular balance electrohydraulic controller for super large planar hydraulic press |
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| CN (1) | CN2717677Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101927578A (en) * | 2010-08-24 | 2010-12-29 | 东莞市得力仕机械科技有限公司 | Servo electrohydraulic composite pressure method and press machine thereof |
| CN101985151A (en) * | 2010-08-02 | 2011-03-16 | 天津市天锻压力机有限公司 | Bidirectional couple four-corner levelling control system |
| CN102886918A (en) * | 2012-10-24 | 2013-01-23 | 扬州捷迈锻压机械有限公司 | Wide-table-top hydraulic press closed-loop electrohydraulic control system with anti-eccentric load function |
| CN102972149A (en) * | 2012-12-21 | 2013-03-20 | 石河子大学 | Leveling system for tomato harvesting machine |
| CN103660359A (en) * | 2013-11-19 | 2014-03-26 | 浙江大学 | Hydraulic control system and method for passive type four-corner-leveling hydraulic press |
| CN104591030A (en) * | 2015-01-30 | 2015-05-06 | 徐州工程学院 | Mining movable multi-angle pneumatic lifting device |
| CN106427039A (en) * | 2016-11-30 | 2017-02-22 | 无锡市创恒机械有限公司 | Uniform pressurizing device for workpiece |
| CN107605825A (en) * | 2017-09-12 | 2018-01-19 | 江苏理工学院 | A kind of large hydraulic press crossbeam electrical servo levelling device |
| CN107813532A (en) * | 2017-09-12 | 2018-03-20 | 江苏理工学院 | A kind of large hydraulic press crossbeam levelling device |
| CN110789043A (en) * | 2019-11-11 | 2020-02-14 | 重庆江东机械有限责任公司 | Position differential equivalence method high-response four-corner leveling system and leveling method |
| CN113400710A (en) * | 2021-04-30 | 2021-09-17 | 天津市天锻压力机有限公司 | Four-axis servo hydraulic cushion special for high-precision die testing hydraulic machine |
-
2004
- 2004-07-23 CN CN 200420029383 patent/CN2717677Y/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985151A (en) * | 2010-08-02 | 2011-03-16 | 天津市天锻压力机有限公司 | Bidirectional couple four-corner levelling control system |
| CN101985151B (en) * | 2010-08-02 | 2012-07-25 | 天津市天锻压力机有限公司 | Bidirectional couple four-corner levelling control system |
| CN101927578A (en) * | 2010-08-24 | 2010-12-29 | 东莞市得力仕机械科技有限公司 | Servo electrohydraulic composite pressure method and press machine thereof |
| CN102886918A (en) * | 2012-10-24 | 2013-01-23 | 扬州捷迈锻压机械有限公司 | Wide-table-top hydraulic press closed-loop electrohydraulic control system with anti-eccentric load function |
| CN102972149B (en) * | 2012-12-21 | 2015-04-15 | 石河子大学 | Leveling system for tomato harvesting machine |
| CN102972149A (en) * | 2012-12-21 | 2013-03-20 | 石河子大学 | Leveling system for tomato harvesting machine |
| CN103660359B (en) * | 2013-11-19 | 2015-06-17 | 浙江大学 | Hydraulic control system and method for passive type four-corner-leveling hydraulic press |
| CN103660359A (en) * | 2013-11-19 | 2014-03-26 | 浙江大学 | Hydraulic control system and method for passive type four-corner-leveling hydraulic press |
| CN104591030A (en) * | 2015-01-30 | 2015-05-06 | 徐州工程学院 | Mining movable multi-angle pneumatic lifting device |
| CN106427039A (en) * | 2016-11-30 | 2017-02-22 | 无锡市创恒机械有限公司 | Uniform pressurizing device for workpiece |
| CN107605825A (en) * | 2017-09-12 | 2018-01-19 | 江苏理工学院 | A kind of large hydraulic press crossbeam electrical servo levelling device |
| CN107813532A (en) * | 2017-09-12 | 2018-03-20 | 江苏理工学院 | A kind of large hydraulic press crossbeam levelling device |
| CN107605825B (en) * | 2017-09-12 | 2019-02-15 | 江苏理工学院 | A kind of large hydraulic press crossbeam electrical servo levelling device |
| CN107813532B (en) * | 2017-09-12 | 2019-06-11 | 江苏理工学院 | A kind of large hydraulic press crossbeam levelling device |
| CN110789043A (en) * | 2019-11-11 | 2020-02-14 | 重庆江东机械有限责任公司 | Position differential equivalence method high-response four-corner leveling system and leveling method |
| CN110789043B (en) * | 2019-11-11 | 2022-02-22 | 重庆江东机械有限责任公司 | Position differential equivalence method high-response four-corner leveling system and leveling method |
| CN113400710A (en) * | 2021-04-30 | 2021-09-17 | 天津市天锻压力机有限公司 | Four-axis servo hydraulic cushion special for high-precision die testing hydraulic machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |