CN102692319A - Passive follow-up force-applied linear guiderail pair test bed with controllable load - Google Patents
Passive follow-up force-applied linear guiderail pair test bed with controllable load Download PDFInfo
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- CN102692319A CN102692319A CN2012101915386A CN201210191538A CN102692319A CN 102692319 A CN102692319 A CN 102692319A CN 2012101915386 A CN2012101915386 A CN 2012101915386A CN 201210191538 A CN201210191538 A CN 201210191538A CN 102692319 A CN102692319 A CN 102692319A
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Abstract
The invention relates to a passive follow-up force-applied linear guiderail pair test bed with controllable load. A horizontal load application mechanism is characterized in that a horizontal force application device is connected with a horizontal force application head by a horizontal pull pressure sensor, the end of the horizontal force application head is connected on the side surface of a stressed sliding table, and a base of the horizontal force application device is fixed on a stand by a left side linear guiderail pair; a vertical load application mechanism is characterized in that a vertical force application device is connected with a vertical force application head by a vertical force application device, the end of the vertical force application head is connected at the center of the stressed sliding table, the vertical force application device is arranged on a cross beam of a portal frame, a base at the right side of the portal frame is arranged on the stand by a right side linear guiderail pair, and the left side of the portal frame is fixed on the base of the horizontal force application device. The test bed realizes controllable dynamic load of horizontal load and radial load of the guiderail slider, can more accurately and reliably evaluate the relationship between the properties and service life of the guiderail pair, thus providing reliable test basis for design and maintenance of the guiderail pair.
Description
Technical field
The present invention relates to the controlled passive type servo-actuated application of force line slideway auxiliary testing table of a kind of load.
Background technology
Line slideway auxiliary is the guiding parts commonly used of mechanical system, in various machinery and equipment, is widely used.Its performance and life-span mainly reach radially (perpendicular to the guide rail front) load with the transverse load that the guide rail slide block bears relevant.Can assess out the performance and the life-span of guideway through line slideway auxiliary test unit simulation guideway in the running status under the specific load, help setting up the rational and effective maintenance schedule, save a large amount of maintenance costs.Existing line slideway auxiliary test unit; No. 201110321929.0 patented claims of having applied for like the applicant " a kind of reconfigurable lead screw pair, guideway accelerated aging electro-hydraulic servo testing platform " drive stressed slide unit through the leading screw driving mechanism and move forward and backward; Stressed slide unit drives four guide rail slide blocks that are fixed in its lower surface and on two guide rails, slides, with the operational process of simulation guideway; The side of horizontal load maintainer through stressed slide unit by being fixed on the support applies transverse load to four guide rail slide blocks, applies radial load through stressed slide unit to four guide rail slide blocks by vertical (radially) load maintainer on the portal frame that is fixed in support.This device can go out guideway in the performance and the life-span that apply under different transverse loads and the radial load situation by test assessment.But, do not move with the motion of stressed slide unit because the point of application of its horizontal load maintainer and vertical load maintainer is fixed; And during when test, stressed slide unit always was kept in motion; The fixing point of application and the relative distance of four guide rail slide blocks change; Thereby the load of distributing to four guide rail slide blocks through stressed slide unit is non-constant; And receiving the influence of relative distance, stressed slide unit sliding speed, it changes complicated, is difficult to quantitative forecast.Also be the inconvenient accurately control of load that horizontal load maintainer and vertical load maintainer impose on four guide rail slide blocks.Thereby test unit can't be accurately, assess out load and guideway performance and the relation between the life-span reliably.
Summary of the invention
The purpose of this invention is to provide the controlled passive type servo-actuated application of force line slideway auxiliary testing table of a kind of load; The mode of the passive type servo-actuated application of force that adopts this testing table realizes that the controlled dynamic of guide rail slide block transverse load and radial load loads; Can be more accurately, assess out load and guideway performance and the relation between the life-span reliably, for the design and the maintenance of guideway provides test basis more reliably.
The technical solution adopted for the present invention to solve the technical problems is: the passive type servo-actuated application of force line slideway auxiliary testing table that a kind of load is controlled; Comprise that the bottom surface that leading screw driving mechanism on support, the support, two guide rails are installed on the both sides of leading screw driving mechanism, stressed slide unit respectively links to each other with the leading screw driving mechanism; Four angles of stressed slide unit bottom surface and four corresponding linking to each other of guide rail slide blocks, in four guide rail slide blocks per two with corresponding guide rail formation guideway; The lower surface of stressed slide unit also is connected with grating ruler reading head, and this grating ruler reading head cooperates with grating main scale on being fixed in support, and the side of stressed slide unit has horizontal load maintainer, top that vertical load maintainer is arranged; It is characterized in that:
The formation of described horizontal load maintainer is: laterally force application apparatus links to each other with horizontal application of force head through horizontal pull pressure sensor; Laterally application of force cephalic par is connected in the longitudinal center of stressed slide unit side, and laterally the base of force application apparatus is fixed on the support through the left side line slideway auxiliary;
The formation of described vertical load maintainer is: vertical force application apparatus links to each other with vertical application of force head through vertical pull pressure sensor; Vertical application of force cephalic par is connected in the center of stressed slide unit upper surface; Vertical force application apparatus is installed on the crossbeam of portal frame; The base on portal frame right side is fixed on the support through the right side line slideway auxiliary, and the left side of portal frame links to each other with the base of horizontal force application apparatus;
On each guide rail slide block three-way vibration acceleration transducer and temperature sensor are installed all; These sensors and grating ruler reading head all are electrically connected with data acquisition and control system; Leading screw driving mechanism, horizontal load maintainer and vertical load maintainer also all are electrically connected with data acquisition and control system.
The course of work and the principle of technique scheme are:
The leading screw driving mechanism drives stressed slide unit lengthwise movement; Grating ruler reading head feeds back to data acquisition and control system with the displacement signal of stressed slide unit, and data acquisition and control system make stressed slide unit that the accurate lengthwise movement of carrying out of parameter is set by the user according to feedback signal control leading screw driving mechanism.And laterally force application apparatus, vertical force application apparatus are to be movably arranged on the support through guideway on the one hand, link to each other with stressed slide unit again on the other hand; Therefore, laterally force application apparatus, vertical force application apparatus can be followed the lengthwise movement together of stressed slide unit.Simultaneously; Data acquisition and control system according to the guide rail slide block of user input laterally, radially load change curve; Control the size of the power output of horizontal load maintainer, vertical load maintainer respectively; Laterally the power of load maintainer, the output of vertical load maintainer acts on the guide rail slide block through stressed slide unit, thereby realizes that transverse load, radial load that the guide rail slide block bears change by user's request, with the various operating modes of simulation guideway.
During test; Data acquisition and control system are gathered the vibration signal and the temperature signal of guide rail slide block through three-way vibration acceleration transducer, temperature sensor; Thereby the required test figure that obtains assessing load and guideway performance and concern between the life-span is for the design and the maintenance of guideway provides test basis more reliably.
Compared with prior art, the invention has the beneficial effects as follows:
One, the present invention is when making an experiment; The application of force head (point of application) of horizontal load maintainer and vertical load maintainer is all followed stressed slide unit and is synchronized with the movement together; The point of application and four guide rail slide blocks are static relatively; Thereby the load that force application apparatus applies constant acting on four guide rail slide blocks uniformly; The load that each guide rail slide block bears is 1/4 of force application apparatus imposed load, also is that the load change curve that bears of guide rail slide block is in full accord with the application of force change curve of force application apparatus, only is that amplitude narrows down to 1/4.Therefore; Apparatus of the present invention are when performance of carrying out line slideway auxiliary and durability test; Can realize accurate, the reliable control of imposed load very easily; Thereby can be more accurately, assess out load and guideway performance and the relation between the life-span reliably, for the design and the maintenance of guideway provides test basis more reliably.
Two, horizontal load maintainer of the present invention and vertical load maintainer are the passive type servo-actuated application of force, do not have independent driving mechanisms, and it is simple in structure, implement easily.
Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention.
Embodiment
Embodiment
Fig. 1 illustrates, and embodiment of the present invention is, the passive type servo-actuated application of force line slideway auxiliary testing table that a kind of load is controlled, and its composition is:
Leading screw driving mechanism 2 on support 1, the support 1, two guide rails 3 are installed on the both sides of leading screw driving mechanism 2 respectively, the bottom surface of stressed slide unit 4 links to each other with leading screw driving mechanism 2; Four angles of stressed slide unit 4 bottom surfaces and 5 corresponding linking to each other of four guide rail slide blocks, in four guide rail slide blocks 5 per two with corresponding guide rail 3 formation guideways; The lower surface of stressed slide unit 4 also is connected with grating ruler reading head 15, and this grating ruler reading head 15 cooperates with grating main scale 18 on being fixed in support 1, and the side of stressed slide unit 4 has horizontal load maintainer, top that vertical load maintainer is arranged.
The formation of described horizontal load maintainer is: laterally force application apparatus 8 links to each other through horizontal pull pressure sensor 9 and the horizontal application of force 10; Laterally the application of force 10 end are connected in the longitudinal center of stressed slide unit 4 sides, and laterally the base 7 of force application apparatus 8 is fixed on the support 1 through left side line slideway auxiliary 6;
The formation of described vertical load maintainer is: vertical force application apparatus 11 links to each other through vertical pull pressure sensor 13 and the vertical application of force 14; The vertical application of force 14 end are connected in the center of stressed slide unit 4 upper surfaces; Vertical force application apparatus 11 is installed on the crossbeam of portal frame 12; The base 16 on portal frame 12 right sides is fixed on the support 1 through right side line slideway auxiliary 17, and the left side of portal frame 12 links to each other with the base 7 of horizontal force application apparatus 8.
On each guide rail slide block 5 three-way vibration acceleration transducer and temperature sensor are installed all; These sensors and grating ruler reading head 15 all are electrically connected with data acquisition and control system; Leading screw driving mechanism 2, horizontal load maintainer and vertical load maintainer also all are electrically connected with data acquisition and control system.
Vertical force application apparatus of the present invention is with laterally force application apparatus can be for existing various force application apparatus, like hydraulic cylinder, cylinder, electronic cylinder etc.The leading screw driving mechanism that the present invention adopts can be for existing various leading screw driving mechanisms, like motor-driven screw mechanism.
Claims (1)
1. passive type servo-actuated application of force line slideway auxiliary testing table that load is controlled; Comprise that the bottom surface that leading screw driving mechanism (2), two guide rails (3) on support (1), the support (1) are installed on the both sides of leading screw driving mechanism (2), stressed slide unit (4) respectively links to each other with leading screw driving mechanism (2); Four angles of stressed slide unit (4) bottom surface are corresponding with four guide rail slide blocks (5) to link to each other, in four guide rail slide blocks (5) per two with corresponding guide rail (3) formation guideway; The lower surface of stressed slide unit (4) also is connected with grating ruler reading head (15), and this grating ruler reading head (15) cooperates with grating main scale (18) on being fixed in support (1), and the side of stressed slide unit (4) has horizontal load maintainer, top that vertical load maintainer is arranged; It is characterized in that:
The formation of described horizontal load maintainer is: laterally force application apparatus (8) links to each other with horizontal application of force head (10) through horizontal pull pressure sensor (9); Laterally application of force head (10) end is connected in the longitudinal center of stressed slide unit (4) side, and laterally the base (7) of force application apparatus (8) is fixed on the support (1) through left side line slideway auxiliary (6);
The formation of described vertical load maintainer is: vertical force application apparatus (11) links to each other with vertical application of force head (14) through vertical pull pressure sensor (13); Vertical application of force head (14) end is connected in the center of stressed slide unit (4) upper surface; Vertical force application apparatus (11) is installed on the crossbeam of portal frame (12); The base (16) on portal frame (12) right side is through on right side line slideway auxiliary (17) support (1), and the left side of portal frame (12) is fixed on the base (7) of horizontal force application apparatus (8);
On described each guide rail slide block (5) three-way vibration acceleration transducer and temperature sensor are installed all; These sensors and grating ruler reading head (15) all are electrically connected with data acquisition and control system; Leading screw driving mechanism (2), horizontal load maintainer and vertical load maintainer also all are electrically connected with data acquisition and control system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210191538.6A CN102692319B (en) | 2012-06-12 | 2012-06-12 | Passive follow-up force-applied linear guiderail pair test bed with controllable load |
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| CN201210191538.6A CN102692319B (en) | 2012-06-12 | 2012-06-12 | Passive follow-up force-applied linear guiderail pair test bed with controllable load |
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| CN102692319A true CN102692319A (en) | 2012-09-26 |
| CN102692319B CN102692319B (en) | 2014-05-21 |
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Cited By (12)
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| CN102937491A (en) * | 2012-11-30 | 2013-02-20 | 中国航空工业集团公司北京长城计量测试技术研究所 | Force value loading device for surface temperature sensor calibration |
| CN102974961A (en) * | 2012-11-14 | 2013-03-20 | 奇瑞汽车股份有限公司 | Gantry sliding driving mechanism |
| CN104406804A (en) * | 2014-09-03 | 2015-03-11 | 上海大学 | Universal durability testing machine |
| CN105627960A (en) * | 2016-03-14 | 2016-06-01 | 安徽机电职业技术学院 | Gauge device for torsion beam welding structure |
| CN106289768A (en) * | 2016-09-20 | 2017-01-04 | 山东博特精工股份有限公司 | Leading screw, guide rail application system simulated condition laboratory table |
| CN107139019A (en) * | 2017-05-24 | 2017-09-08 | 上海嘉幸自动化设备科技有限公司 | A kind of electronic cylinder structure controlled for machine tool accuracy |
| CN108000236A (en) * | 2018-01-08 | 2018-05-08 | 内蒙古科技大学 | A kind of device for detecting lathe line slideway auxiliary accelerated wear test deterioration law |
| CN109773588A (en) * | 2019-03-01 | 2019-05-21 | 山东大学 | A kind of twin model performance test method of lathe number and device |
| CN109870269A (en) * | 2019-04-08 | 2019-06-11 | 中航飞机起落架有限责任公司 | A kind of three-dimensional force plate/platform calibration method |
| CN110658723A (en) * | 2019-11-08 | 2020-01-07 | 南京航空航天大学 | Passive force loading self-adaptive drive control method and system |
| CN110907172A (en) * | 2019-11-19 | 2020-03-24 | 南京理工大学 | Device and method for measuring walking precision of rolling linear guide rail pair |
| CN115420489A (en) * | 2022-09-01 | 2022-12-02 | 咸阳丰宁机械有限公司 | Wear detection platform for linear guide rail pair with variable load |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102974961A (en) * | 2012-11-14 | 2013-03-20 | 奇瑞汽车股份有限公司 | Gantry sliding driving mechanism |
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| CN107139019A (en) * | 2017-05-24 | 2017-09-08 | 上海嘉幸自动化设备科技有限公司 | A kind of electronic cylinder structure controlled for machine tool accuracy |
| CN108000236A (en) * | 2018-01-08 | 2018-05-08 | 内蒙古科技大学 | A kind of device for detecting lathe line slideway auxiliary accelerated wear test deterioration law |
| CN109773588A (en) * | 2019-03-01 | 2019-05-21 | 山东大学 | A kind of twin model performance test method of lathe number and device |
| CN109870269A (en) * | 2019-04-08 | 2019-06-11 | 中航飞机起落架有限责任公司 | A kind of three-dimensional force plate/platform calibration method |
| CN109870269B (en) * | 2019-04-08 | 2020-08-14 | 中航飞机起落架有限责任公司 | Calibration method for three-dimensional force measuring platform |
| CN110658723A (en) * | 2019-11-08 | 2020-01-07 | 南京航空航天大学 | Passive force loading self-adaptive drive control method and system |
| CN110907172A (en) * | 2019-11-19 | 2020-03-24 | 南京理工大学 | Device and method for measuring walking precision of rolling linear guide rail pair |
| CN110907172B (en) * | 2019-11-19 | 2021-09-28 | 南京理工大学 | Device and method for measuring walking precision of rolling linear guide rail pair |
| CN115420489A (en) * | 2022-09-01 | 2022-12-02 | 咸阳丰宁机械有限公司 | Wear detection platform for linear guide rail pair with variable load |
| CN115420489B (en) * | 2022-09-01 | 2024-07-30 | 咸阳丰宁机械有限公司 | Wear detection platform for linear guide rail pair with variable load |
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