CN202107480U - Synchronization control device for hydraulic lifting - Google Patents
Synchronization control device for hydraulic lifting Download PDFInfo
- Publication number
- CN202107480U CN202107480U CN2011202029186U CN201120202918U CN202107480U CN 202107480 U CN202107480 U CN 202107480U CN 2011202029186 U CN2011202029186 U CN 2011202029186U CN 201120202918 U CN201120202918 U CN 201120202918U CN 202107480 U CN202107480 U CN 202107480U
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- Prior art keywords
- hydraulic
- sensor
- stay cord
- displacement
- control device
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 30
- 238000004804 winding Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 5
- 238000005086 pumping Methods 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a synchronization control device for hydraulic lifting, comprising a hydraulic lifting mechanism consisting of a plurality of hydraulic cylinders. A piston rod connecting cap is arranged at the top of each hydraulic cylinder; an automatic rewinding rope winding drum is arranged on the side wall of the hydraulic cylinder, is internally provided with a displacement rope connected with the piston rod connecting cap, and is connected with a sensor to form a rope type displacement sensor; and a signal output port of the sensor is connected with a PLC (Programmable Logic Controller) cabinet and a hydraulic power unit which is connected with an oil inlet of the hydraulic cylinder by a hydraulic pipeline. In the synchronization control device, the rope type displacement sensor is adopted to convert the lifting displacement of the hydraulic cylinder to an electric signal which is measurable and in linear proportion, and the hydraulic pump station and an execution hydraulic valve are controlled by a program control cabinet in the PLC cabinet so as to realize the automatic control and the synchronization precision of lifting displacement of the hydraulic cylinders.
Description
Technical field
The utility model relates to a kind of hydraulic pressure lift sync control device, belongs to technical field of automatic control.
Background technology
In the construction of the vertical cylindrical shell (like basin, tower) of oil, chemical industry, electric power, transmisson and storage project, adopt the hydraulic pressure lift inverted construction usually, promptly by band assembly welding is installed from top to bottom.This method construction aloft work is few, construction cost is low.But present hydraulic pressure lift inverted construction adopts tens hydraulic rams, in the hydraulic pressure lift process, needs the synchronous of tens hydraulic rams of frequent adjustment, complex operation, and the hydraulic ram asynchrony phenomenon often occurs in the practice.
The utility model content
The utility model technical matters to be solved is, overcomes the shortcoming of prior art, and a kind of hydraulic pressure lift sync control device is provided, and realizes that each hydraulic ram promotes the automatic guidance and the synchronization accuracy of displacement.
In order to solve above technical matters; The utility model provides a kind of hydraulic pressure lift sync control device; Comprise the hydraulic lifting mechanism of forming by a plurality of hydraulic rams; At the hydraulic ram top piston rod attachment cap is installed, automatic rewinding stay cord reel is installed on the sidewall of hydraulic ram, in automatic rewinding stay cord reel, be provided with the displacement stay cord and be connected with the piston rod attachment cap; Be connected with sensor on the automatic rewinding stay cord reel, constitute draw-wire displacement sensor, the sensor signal delivery port is connected with PLC control housing, hydraulic power unit through cable, and hydraulic power unit is connected through hydraulic tubing with the oil inlet of hydraulic ram.
The technical scheme that the utility model further limits is: aforesaid hydraulic pressure lift sync control device; Said automatic rewinding stay cord reel adopts the coaxial draw-wire displacement sensor that is connected to form with said sensor; Automatic rewinding stay cord reel drives sensor and rotates synchronously, sends gageable, linear ratiometric electric signal simultaneously.
Aforesaid hydraulic pressure lift sync control device also is provided with the execution hydraulic valve and is connected with hydraulic tubing on hydraulic power unit.
The beneficial effect of the utility model is: the utility model adopts draw-wire displacement sensor, hydraulic ram is promoted displacement convert gageable, linear ratiometric electric signal to.Pulling displacement stay cord when the piston rod displacement of extract voltage rise oil cylinder, the displacement stay cord drives sensor and rotates synchronously, and the sensor senses element sends gageable, linear ratio electric signal to control system; Process control system in the hydraulic pressure lift PLC control housing is reference with A～N displacement and one of them hydraulic cylinder displacement amount that promotes hydraulic ram; By programming control cabinet modulated pressure pumping plant in the hydraulic pressure lift PLC control housing and execution hydraulic valve, realize that each hydraulic ram promotes the automatic guidance and the synchronization accuracy of displacement.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one.
Among the figure: 1. the displacement stay cord, 2. automatic rewinding stay cord reel, 3. sensor, 4. the sensor signal cable, 5. hydraulic pressure lift PLC programming control cabinet, 6. the hydraulic power unit control cable, 7. hydraulic power unit, 8. carry out hydraulic valve, 9. hydraulic tubing, 10. hydraulic ram, 11. hydraulic cylinder piston rod attachment caps.
The specific embodiment
Embodiment 1
A kind of hydraulic pressure lift sync control device that present embodiment provides; Structure is as shown in Figure 1; Comprise the hydraulic lifting mechanism of forming by a plurality of hydraulic rams 10; At the hydraulic ram top piston rod attachment cap 11 is installed, automatic rewinding stay cord reel 2 is installed on the sidewall of hydraulic ram 10, in automatic rewinding stay cord reel 2, be provided with displacement stay cord 1 and be connected with piston rod attachment cap 11; Be connected with draw-wire displacement sensor 3 on the automatic rewinding stay cord reel 2, sensor 3 adopts coaxial the connection with automatic rewinding stay cord reel 2.The signal output of sensor 3 links to each other with the PLC control housing through sensor signal cable 4 earlier, is connected with hydraulic power unit 7 by hydraulic power unit control cable 6 again, and hydraulic power unit 7 is connected through hydraulic tubing with the oil inlet of hydraulic ram 10; On hydraulic power unit 7, also being provided with execution hydraulic valve 8 is connected with hydraulic tubing 9.
Displacement stay cord 1 is contained in the automatic rewinding stay cord reel 2, and end is connected with hydraulic cylinder piston rod attachment cap 11; When oil cylinder promoted, hydraulic cylinder piston rod attachment cap 11 pulling displacement stay cords 1 were pulled out the displacement that the back produces, and drive automatic rewinding stay cord reel 2 and rotate.Automatic rewinding stay cord reel 2 and 3 coaxial connections of sensor; Automatic rewinding stay cord reel 2 is fixed on the hydraulic ram 10.Automatic rewinding stay cord reel 2 rotates, and drives sensor 3 and rotates synchronously, sends gageable, linear ratiometric electric signal simultaneously; Sensor 3 sends gageable, linear ratiometric electric signal, is transferred to hydraulic pressure lift PLC programming control cabinet 5 by sensor signal cable 4.
The PLC controller of hydraulic pressure lift PLC programming control cabinet 5 carries out computing according to the displacement signal of each elevating ram; The displacement of A～N elevating ram and one of them oil cylinder displacement are reference; Send command signal by hydraulic pressure lift PLC programming control cabinet 5, through hydraulic power unit control cable 6 modulated pressure pumping plants 7 and execution hydraulic valve 8; Modulated pressure pumping plant 7 with carry out hydraulic valve 8 according to promoting programming control cabinet 6 control commands, through hydraulic tubing 9 each hydraulic ram 10 oil-feed of control or stop, realizing the lifting displacement automatic guidance and the synchronization accuracy of each hydraulic ram 10.
Except that the foregoing description, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (3)
1. hydraulic pressure lift sync control device; Comprise the hydraulic lifting mechanism of forming by a plurality of hydraulic rams; It is characterized in that: the piston rod attachment cap is installed at said hydraulic ram top; Automatic rewinding stay cord reel is installed on the sidewall of said hydraulic ram, in said automatic rewinding stay cord reel, is provided with the displacement stay cord and is connected with said piston rod attachment cap; Be connected with sensor on the said automatic rewinding stay cord reel; Constitute draw-wire displacement sensor; Said sensor signal delivery port is connected with PLC control housing, hydraulic power unit through cable, and said hydraulic power unit is connected through hydraulic tubing with the oil inlet of said hydraulic ram.
2. require described hydraulic pressure lift sync control device according to right 1, it is characterized in that: said automatic rewinding stay cord reel adopts the coaxial draw-wire displacement sensor that is connected to form with said sensor.
3. require described hydraulic pressure lift sync control device according to right 1, it is characterized in that: on said hydraulic power unit, also be provided with the execution hydraulic valve and be connected with said hydraulic tubing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202029186U CN202107480U (en) | 2011-06-16 | 2011-06-16 | Synchronization control device for hydraulic lifting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202029186U CN202107480U (en) | 2011-06-16 | 2011-06-16 | Synchronization control device for hydraulic lifting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202107480U true CN202107480U (en) | 2012-01-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202029186U Expired - Lifetime CN202107480U (en) | 2011-06-16 | 2011-06-16 | Synchronization control device for hydraulic lifting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202107480U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103145066A (en) * | 2013-03-26 | 2013-06-12 | 上海乾帆机械工程有限公司 | Movable type automatic levelling mechanical lifting machine set |
| CN103145065A (en) * | 2013-03-26 | 2013-06-12 | 上海乾帆机械工程有限公司 | Movable type automatic levelling hydraulic lifting machine set |
| CN103407943A (en) * | 2013-07-25 | 2013-11-27 | 珠海经济特区联谊机电工程有限公司 | Synchronous adjusting system for maintenance platform |
| CN103708375A (en) * | 2013-12-17 | 2014-04-09 | 天津大学 | Large-scale structure weighing hydraulic control structure based on speed control |
| CN106006448A (en) * | 2016-07-01 | 2016-10-12 | 嘉兴景添汽保工具有限公司 | Apparatus with more than one jack combined |
| CN106903068A (en) * | 2015-12-23 | 2017-06-30 | 北京中船信息科技有限公司 | A kind of dot matrix hydraulic lifting part pigeonholes |
| CN107529512A (en) * | 2017-08-07 | 2018-01-02 | 长沙中联恒通机械有限公司 | A kind of lifting platform Automatic Levelling control method and system |
| CN107797542A (en) * | 2016-09-07 | 2018-03-13 | 马哈机器制造有限公司 | Equipment control device |
| CN108128739A (en) * | 2017-12-18 | 2018-06-08 | 青海智鑫电力监理咨询有限公司 | A kind of steel-structure roof lattice framed structure integral lifting |
| CN109775337A (en) * | 2019-01-30 | 2019-05-21 | 山东送变电工程有限公司 | A kind of handling device and method of GIS device |
| CN109896463A (en) * | 2017-12-07 | 2019-06-18 | 中冶宝钢技术服务有限公司 | Foreboard assembly and disassembly methods on bilateral scissors device |
| CN110482431A (en) * | 2018-05-14 | 2019-11-22 | 长江三峡通航管理局 | A kind of band mechanical self-latching protection synchronous lifting device and control method |
| CN111559209A (en) * | 2020-05-18 | 2020-08-21 | 中国重汽集团济南动力有限公司 | Traction seat height control system and method and tractor |
-
2011
- 2011-06-16 CN CN2011202029186U patent/CN202107480U/en not_active Expired - Lifetime
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103145066A (en) * | 2013-03-26 | 2013-06-12 | 上海乾帆机械工程有限公司 | Movable type automatic levelling mechanical lifting machine set |
| CN103145065A (en) * | 2013-03-26 | 2013-06-12 | 上海乾帆机械工程有限公司 | Movable type automatic levelling hydraulic lifting machine set |
| CN103145065B (en) * | 2013-03-26 | 2016-01-06 | 上海乾帆机械工程有限公司 | Portable automatic leveling hydraulic lifting unit |
| CN103145066B (en) * | 2013-03-26 | 2016-01-06 | 上海乾帆机械工程有限公司 | Portable automatic leveling mechanical lift unit |
| CN103407943A (en) * | 2013-07-25 | 2013-11-27 | 珠海经济特区联谊机电工程有限公司 | Synchronous adjusting system for maintenance platform |
| CN103708375A (en) * | 2013-12-17 | 2014-04-09 | 天津大学 | Large-scale structure weighing hydraulic control structure based on speed control |
| CN103708375B (en) * | 2013-12-17 | 2016-04-13 | 天津大学 | Large structure based on speed control is weighed hydraulic control architectures |
| CN106903068A (en) * | 2015-12-23 | 2017-06-30 | 北京中船信息科技有限公司 | A kind of dot matrix hydraulic lifting part pigeonholes |
| CN106006448A (en) * | 2016-07-01 | 2016-10-12 | 嘉兴景添汽保工具有限公司 | Apparatus with more than one jack combined |
| CN106006448B (en) * | 2016-07-01 | 2018-09-14 | 海盐创通技术服务有限公司 | A kind of more jack unit equipments |
| CN107797542A (en) * | 2016-09-07 | 2018-03-13 | 马哈机器制造有限公司 | Equipment control device |
| CN107529512A (en) * | 2017-08-07 | 2018-01-02 | 长沙中联恒通机械有限公司 | A kind of lifting platform Automatic Levelling control method and system |
| CN109896463A (en) * | 2017-12-07 | 2019-06-18 | 中冶宝钢技术服务有限公司 | Foreboard assembly and disassembly methods on bilateral scissors device |
| CN108128739A (en) * | 2017-12-18 | 2018-06-08 | 青海智鑫电力监理咨询有限公司 | A kind of steel-structure roof lattice framed structure integral lifting |
| CN110482431A (en) * | 2018-05-14 | 2019-11-22 | 长江三峡通航管理局 | A kind of band mechanical self-latching protection synchronous lifting device and control method |
| CN109775337A (en) * | 2019-01-30 | 2019-05-21 | 山东送变电工程有限公司 | A kind of handling device and method of GIS device |
| CN111559209A (en) * | 2020-05-18 | 2020-08-21 | 中国重汽集团济南动力有限公司 | Traction seat height control system and method and tractor |
| CN111559209B (en) * | 2020-05-18 | 2021-07-20 | 中国重汽集团济南动力有限公司 | Traction seat height control system and method and tractor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| C56 | Change in the name or address of the patentee | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhu Xiaoming Inventor before: Yang Shouquan |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: YANG SHOUQUAN TO: ZHU XIAOMING |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 211100 Jiangning economic and Technological Development Zone, Jiangsu Province, West Pavilion Road, Shimizu Patentee after: Nanjing Auto Electric Co., Ltd. Address before: 211100 Jiangning economic and Technological Development Zone, Jiangsu Province, West Pavilion Road, Shimizu Patentee before: Nanjing Auto Electric Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120111 |