CN110644542B - Modularization correcting unit of basis differential settlement - Google Patents
Modularization correcting unit of basis differential settlement Download PDFInfo
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- CN110644542B CN110644542B CN201910924437.7A CN201910924437A CN110644542B CN 110644542 B CN110644542 B CN 110644542B CN 201910924437 A CN201910924437 A CN 201910924437A CN 110644542 B CN110644542 B CN 110644542B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D35/00—Straightening, lifting, or lowering of foundation structures or of constructions erected on foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/10—Miscellaneous comprising sensor means
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- General Engineering & Computer Science (AREA)
- Automatic Control Of Machine Tools (AREA)
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Abstract
The invention discloses a modular correction device for uneven foundation settlement, which comprises a machine tool slide rail, a modular foundation, a wedge-shaped foundation, a connecting device, a hydraulic pump, a linear displacement sensor, a signal acquisition and processing center, a foundation slide rail, an oil blocking limiting device, a lubricating oil tank and an oil circulating device. The linear displacement sensors are arranged in the two machine tool slide rails, the linear displacement sensors and the machine tool slide rails 1 have the same displacement deformation, when the foundation is unevenly settled, displacement deformation signals are transmitted to the signal acquisition and processing center through the linear displacement sensors, the signals are processed through the computer system, and the displacement to be adjusted of the wedge-shaped foundation is automatically calculated through the computer. The displacement deformation signal processed by the signal acquisition and processing center is transmitted to the hydraulic pump, and the hydraulic pump controls the movement of the hydraulic piston through the magnitude of the oil supply pressure to correct the uneven settlement of the foundation.
Description
Technical Field
The invention discloses a modular correction device for regulating and controlling uneven settlement of a machine tool foundation, and relates to the field of heavy numerical control machines and foundation research.
Background
The manufacturing technology of the heavy numerical control machine tool is the basis of national industrialized development, the future high-end precision manufacturing technology advances, and the high-end precision manufacturing is an important means for evaluating the national technical level and is an important component for breaking through the core technology. No matter the progress of national defense, aerospace and transportation, energy, and other basic industries need the support of a large-scale high-precision numerical control machine tool.
The foundation of the heavy numerical control machine tool is an important component of a machine tool system, and the bearing capacity of the foundation directly influences the machining precision of the heavy numerical control machine tool. Because the machine tool applies acting force of heavy load and offset load to the foundation base, the uneven settlement of the foundation enlarges the processing error of the part with large span, and causes the precision loss of the machine tool processing, so the settlement deformation research facing the concrete foundation of the heavy machine tool becomes the common technical requirement of the heavy machine tool industry. It is of great importance to investigate the ability to resist uneven deformation.
Disclosure of Invention
The invention aims to provide a device capable of correcting uneven settlement of a foundation, which is improved from an inherent monolithic concrete foundation to a modularized foundation, so that each part of the foundation can be finely adjusted in real time, uneven deformation of the foundation is corrected, and the machining precision of a machine tool is improved.
The invention is realized by adopting the following technical means:
the utility model provides a modularization correcting unit of base differential settlement, the device includes lathe slide rail 1, modularization basis 2, wedge basis 3, connecting device 4, hydraulic means 5, hydraulic pump 6, linear displacement sensor 7, signal acquisition processing center 8, basic slide rail 9, fender oil stop device 10, lubricating-oil groove 11 and oil circulating device 12.
Machine tool slide rail 1 is fixed on modularization basis 2, linear displacement sensor 7 arranges in two machine tool slide rails 1, linear displacement sensor 7 is the same with 1 displacement deformation of machine tool slide rail, modularization basis 2 is supported by wedge basis 3, wedge basis 3 and hydraulic means 5 are connected to connecting device 4, hydraulic means 5 control wedge basis 3's displacement distance, hydraulic pump 6 supplies oil for hydraulic means 5, signal acquisition and processing center 8 gathers linear displacement sensor 7's displacement deformation, and through the displacement volume that wedge basis 3 should adjust of computer automatic calculation, wedge basis 3 can move in the recess of basis slide rail 9, it plays the stroke guard action to keep off oily stop device 10 to wedge basis 3, lubrication groove 11 is used for the oil storage device of oil circulation, oil circulating device 12 makes the basis form circulation system, reduce the friction oil film loss.
Each modular foundation 2 is provided with a hydraulic device 5, and when the thickness of the modular foundation 2 is small enough, the foundation is regarded as a continuously changing tiny part by applying an integral principle, so that a continuous accurate correction value of foundation settlement deformation is obtained.
The experimental device has the advantages that:
(1) the experimental device is simple and convenient, and can meet the displacement requirements of multiple times and multiple angles.
(2) The hydraulic element has large bearing capacity and meets the requirement of the displacement of the device.
(3) The device can realize the specified deformation of the precise position and improve the accuracy of correcting the deformation.
(4) The real-time adjustability of the displacement of the wedge-shaped foundation can compensate the uneven settlement of the foundation at any time.
Drawings
FIG. 1 is a top view of a modular foundation;
FIG. 2 is a left side view of the modular foundation;
FIG. 3 is a diagram of deformation of a foundation due to differential settlement;
FIG. 4 is a graph of the correction of the occurrence of differential settlement on a base basis;
FIG. 5 is a diagram of a wedge-shaped base slide rail;
FIG. 6 is a cross-sectional view of the hydraulic cylinder;
fig. 7 is a front view of the hydraulic pump.
In the figure: the device comprises a machine tool slide rail 1, a modularized foundation 2, a wedge-shaped foundation 3, a connecting device 4, a hydraulic device 5, a hydraulic pump 6, a linear displacement sensor 7, a signal acquisition and processing center 8, a foundation slide rail 9, an oil blocking limiting device 10, a lubricating oil groove 11 and an oil circulating device 12.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings.
The utility model provides an experimental apparatus that simulation basis actually warp, machine tool slide rail 1 is fixed on modularization basis 2, linear displacement sensor 7 arranges in two machine tool slide rails 1, modularization basis 2 is supported by wedge basis 3, wedge basis 3 and hydraulic means 5 are connected to connecting device 4, hydraulic means 5 can control the displacement distance on wedge basis 3, hydraulic pump 6 is the oil supply of hydraulic means 5, the displacement deformation of linear displacement sensor 7 is gathered to signal acquisition and processing center 8, and through the displacement volume that wedge basis 3 should be adjusted of computer automatic calculation, wedge basis 3 can remove in the recess of basis slide rail 9, it plays the stroke guard action to wedge basis 3 to keep off oily stop device 10, lubricating-oil groove 11 is used for the oil storage device of oil circulation, oil circulating device 12 makes the basic oil film form the circulation system, reduce the friction loss.
The linear displacement sensors 7 are arranged in the two machine tool slide rails 1, the linear displacement sensors 7 and the machine tool slide rails 1 have the same displacement deformation, when the foundation is unevenly settled, displacement deformation signals are transmitted to the signal acquisition and processing center 8 through the linear displacement sensors 7, and the signals are processed through the computer system.
The displacement deformation signal processed by the signal acquisition processing center 8 is transmitted to the hydraulic pump 6, and the hydraulic pump 6 controls the movement of the hydraulic piston through the magnitude of the oil supply pressure, so that the piston rod of the hydraulic device 5 generates displacement.
The displacement is transmitted to the wedge-shaped foundation 3 through the connecting device 4, and the wedge-shaped foundation 3 slides in the convex groove of the foundation slide rail under the acting force of the connecting device 4.
When the wedge foundation 3 is displaced, the modular foundation 2 can slide along with the angle of the wedge foundation, so that the vertical displacement of the modular foundation is realized, and when the sliding distances of the wedge foundations 3 on the left side and the right side are different, the correction of the uneven settlement angle of the foundation can be realized.
Under the action of the oil circulating device 12, oil in the lubricating oil groove 11 is continuously conveyed to the upper structure, so that pressure oil films are formed between the modular foundation 2 and the wedge-shaped foundation 3 and between the wedge-shaped foundation 3 and the foundation slide rail 9, the precision problem of a junction surface of key parts is reduced, friction loss is reduced, and the moving stability of the modular foundation 2 and the wedge-shaped foundation 3 is improved.
After the displacement correction is completed, the displacement deformation values of the sensors are monitored and compared in real time, and when the modular foundation 2 is unevenly settled, the real-time adjustment of the foundation can be achieved, so that the machining stability of the heavy numerical control machine tool is achieved, and the machining precision of parts is improved.
Claims (8)
1. The utility model provides a modularization correcting unit of basis differential settlement which characterized in that: the device comprises a machine tool slide rail, a modular foundation, a wedge-shaped foundation, a connecting device, a hydraulic pump, a linear displacement sensor, a signal acquisition and processing center, a foundation slide rail, an oil blocking limiting device, a lubricating oil groove and an oil circulating device;
machine tool slide rail is fixed on the modularization basis, linear displacement sensor arranges in two machine tool slide rails, linear displacement sensor is the same with machine tool slide rail displacement deformation, the modularization basis is supported by wedge basis, connecting device connects wedge basis and hydraulic means, hydraulic means controls the displacement distance on wedge basis, the hydraulic pump is the hydraulic means oil supply, signal acquisition processing center gathers linear displacement sensor's displacement deformation, and the displacement volume that should adjust through computer automatic calculation wedge basis, the wedge basis can remove in the recess of basis slide rail, it plays the stroke guard action to the wedge basis to keep off oily stop device, the lubrication groove is used for the oil storage device of oil circulation, oil circulating device makes the basis form oil film circulation system, reduce the friction loss.
2. Modular correction device of uneven settlement of foundation, according to claim 1, characterized in that: each modular foundation is provided with a hydraulic device, and when the thickness of the modular foundation is small enough, the foundation is regarded as a continuously-changed tiny part by applying an integral principle, so that a continuous accurate correction value of the foundation settlement deformation is obtained.
3. Modular correction device of uneven settlement of foundation, according to claim 1, characterized in that: the linear displacement sensors are arranged in the two machine tool slide rails, the linear displacement sensors and the machine tool slide rails have the same displacement deformation, when the foundation is unevenly settled, displacement deformation signals are transmitted to the signal acquisition and processing center through the linear displacement sensors, and the signals are processed through the computer system.
4. Modular correction device of uneven settlement of foundation, according to claim 1, characterized in that: the displacement deformation signal processed by the signal acquisition and processing center is transmitted to the hydraulic pump, and the hydraulic pump controls the movement of the hydraulic piston through the magnitude of the oil supply pressure, so that the piston rod of the hydraulic device generates displacement.
5. Modular correction device of uneven settlement of foundation, according to claim 1, characterized in that: the displacement is transmitted to the wedge-shaped foundation through the connecting device, and the wedge-shaped foundation slides in the groove of the foundation slide rail under the acting force of the connecting device.
6. Modular correction device of uneven settlement of foundation, according to claim 1, characterized in that: when the wedge basis takes place the displacement, the modularization basis can slide along with the angle of wedge basis, realizes the vertical displacement of modularization basis, when the distance of sliding of left and right sides wedge basis is different, realizes the correction of the uneven settlement angle of basis.
7. Modular correction device of uneven settlement of foundation, according to claim 1, characterized in that: under the action of the oil circulating device, oil in the lubricating oil groove is continuously conveyed to the upper structure, so that pressure oil films are formed between the modular foundation and the wedge-shaped foundation and between the wedge-shaped foundation and the foundation slide rail, the precision problem of the junction surface of key parts is reduced, the friction loss is reduced, and the moving stability of the modular foundation and the wedge-shaped foundation is improved.
8. Modular correction device of uneven settlement of foundation, according to claim 1, characterized in that: after the displacement correction is completed, the displacement deformation values of the sensors are monitored and compared in real time, and when the modular foundation is unevenly settled, the real-time adjustment of the foundation can be achieved, so that the machining stability of the heavy numerical control machine tool can be achieved, and the machining precision of parts can be improved.
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| CN201910924437.7A CN110644542B (en) | 2019-09-27 | 2019-09-27 | Modularization correcting unit of basis differential settlement |
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| CN201910924437.7A CN110644542B (en) | 2019-09-27 | 2019-09-27 | Modularization correcting unit of basis differential settlement |
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| CN110644542B true CN110644542B (en) | 2021-06-04 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1811209A (en) * | 2005-01-25 | 2006-08-02 | 上银科技股份有限公司 | Linear slide rail with changeable oil supply unit |
| JP2014025212A (en) * | 2012-07-24 | 2014-02-06 | Spi Iguteibu Kk | Jig for hydraulic jack used for repair construction of uneven settlement of building, and method for repairing unevenly settled building by using the same |
| CN108106594A (en) * | 2017-12-06 | 2018-06-01 | 上海建工五建集团有限公司 | Building deformation method for real-time measurement |
| CN109162306A (en) * | 2018-10-31 | 2019-01-08 | 青岛正为能源科技有限公司 | A kind of communication steel tower differential settlement deviation correcting device and its application method |
-
2019
- 2019-09-27 CN CN201910924437.7A patent/CN110644542B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1811209A (en) * | 2005-01-25 | 2006-08-02 | 上银科技股份有限公司 | Linear slide rail with changeable oil supply unit |
| JP2014025212A (en) * | 2012-07-24 | 2014-02-06 | Spi Iguteibu Kk | Jig for hydraulic jack used for repair construction of uneven settlement of building, and method for repairing unevenly settled building by using the same |
| CN108106594A (en) * | 2017-12-06 | 2018-06-01 | 上海建工五建集团有限公司 | Building deformation method for real-time measurement |
| CN109162306A (en) * | 2018-10-31 | 2019-01-08 | 青岛正为能源科技有限公司 | A kind of communication steel tower differential settlement deviation correcting device and its application method |
Non-Patent Citations (2)
| Title |
|---|
| 中国道路工程学术研究综述.2013;《中国公路学报》编辑部;《中国公路学报》;20130531;第26卷(第3期);第1-36页 * |
| 地基处理技术发展综述;郑刚等;《土木工程学报》;20120229;第45卷(第2期);第127-146页 * |
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