CN202676435U - Load controllable active type servo-actuated force application linear guide rail pair test device - Google Patents
Load controllable active type servo-actuated force application linear guide rail pair test device Download PDFInfo
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- CN202676435U CN202676435U CN 201220274354 CN201220274354U CN202676435U CN 202676435 U CN202676435 U CN 202676435U CN 201220274354 CN201220274354 CN 201220274354 CN 201220274354 U CN201220274354 U CN 201220274354U CN 202676435 U CN202676435 U CN 202676435U
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Abstract
A load controllable active type servo-actuated force application linear guide rail pair test device is characterized in that: force application heads (force application points) of a transverse loading mechanism and a vertical loading mechanism thereof individually use or share one screw rod driving mechanism, so that both the transverse loading mechanism and the vertical loading mechanism perform synchronous movement together along with a bearing sliding table, the force application points and four guide rail slide blocks are relatively static; thus loads applied by a force application device can uniformly and unchangeably act on the four guide rail slide blocks, the load borne by the each guide rail slide block is a quarter of the loads applied by the force application device, i.e., a borne load change curve of the guide rail slide block is completely consistent with a force application change curve of the force application device, only an amplitude of the load change curve borne by the each guide rail slide block is a quarter of the force application device . Therefore, the load controllable active type servo-actuated force application linear guide rail pair test device of the utility model can conveniently realize accurate and reliable control for load application when performing a performance and service life test for the linear guide rail pair, so as to evaluate a relationship between the loads and the performance as well as the service life of the guide rail pair more accurately and reliably, thereby providing more reliable test basis for design and maintenance of the guide rail pair.
Description
Technical field
The utility model relates to the controlled active servo-actuated application of force line slideway auxiliary test unit of a kind of load.
Background technology
Line slideway auxiliary is the guiding parts commonly used of mechanical system, is widely used in various machinery and equipment.Its performance and life-span mainly reach radially (perpendicular to the guide rail front) load with the transverse load that guide rail slide block bears relevant.Can assess out performance and the life-span of guideway by line slideway auxiliary test unit simulation guideway in the running status under the specific load, be conducive to set up rationally effectively maintenance schedule, save a large amount of maintenance costs.Existing line slideway auxiliary test unit, No. 201110321929.0 patented claims " a kind of reconfigurable lead screw pair, guideway accelerated aging electro-hydraulic servo testing platform " of having applied for such as the applicant drive stressed slide unit by 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 slides at two guide rails, with the operational process of simulation guideway; Apply transverse load by the side of horizontal load maintainer by stressed slide unit of being fixed on the support to four guide rail slide blocks, apply radial load by 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 in different transverse loads and the radial load situation by test assessment.But because the point of application of its horizontal load maintainer and Plumb load mechanism is fixed, do not move with the motion of stressed slide unit; 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 by stressed slide unit is non-constant, and be subjected to the impact 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 Plumb load mechanism 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.
The utility model content
The purpose of this utility model provides the controlled active servo-actuated application of force line slideway auxiliary test unit of a kind of load, the mode of the active servo-actuated application of force that adopts this test unit realizes that the controlled dynamic of guide rail slide block transverse load and radial load loads, can more accurately, reliable assess out load and guideway performance and the relation between the life-span, for design and the maintenance of guideway provides more reliable test basis.
The first technical scheme that its technical matters that solves the utility model adopts is: the active servo-actuated application of force line slideway auxiliary test unit 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 respectively the both sides of leading screw driving mechanism, stressed slide unit links to each other with the leading screw driving mechanism, in four angles of stressed slide unit bottom surface and four corresponding linking to each other of guide rail slide blocks, 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 scale main scale on being fixed in support, and the side of stressed slide unit has horizontal load maintainer, top that Plumb load mechanism 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 by horizontal pull pressure sensor, laterally application of force head is over against the longitudinal center of stressed slide unit side, laterally the base of force application apparatus is installed on the support by horizontal force application apparatus leading screw driving mechanism, this base links to each other with horizontal force application apparatus grating ruler reading head, and laterally the force application apparatus grating ruler reading head cooperates with horizontal force application apparatus grating scale main scale on being fixed in support;
The formation of described Plumb load mechanism is: vertical force application apparatus links to each other with vertical application of force head by vertical pull pressure sensor, vertical application of force head be positioned at stressed slide unit center directly over, vertical force application apparatus is installed on the crossbeam of portal frame, the base on portal frame right side is installed on the support by portal frame leading screw driving mechanism, the base on described right side links to each other with sidelight grid ruler reading head, and sidelight grid ruler reading head cooperates with side grating scale main scale on being fixed in support; The base in portal frame left side is fixed on the support by the left side line slideway auxiliary;
Three-way vibration acceleration transducer and temperature sensor all are installed on each guide rail slide block; These sensors and grating ruler reading head all are electrically connected with the data collection and control system; Leading screw driving mechanism, horizontal load maintainer and Plumb load mechanism also all are electrically connected with the data collection and control system.
The course of work and the principle of above-mentioned the first technical scheme are:
The leading screw driving mechanism drives stressed slide unit lengthwise movement, and grating ruler reading head feeds back to the data collection and control system with the motion conditions of stressed slide unit; Laterally force application apparatus leading screw driving mechanism drives the base lengthwise movement of horizontal force application apparatus, and laterally the force application apparatus grating ruler reading head feeds back to the data collection and control system with the motion conditions of horizontal force application apparatus base; Portal frame leading screw driving mechanism drives the base lengthwise movement on portal frame right side, and sidelight grid ruler reading head feeds back to the data collection and control system with the motion conditions of portal frame right side base; The data collection and control system accurately controls three leading screw driving mechanisms according to the feedback signal of three grating ruler reading heads, makes stressed slide unit, laterally force application apparatus, the motion of vertical force application apparatus maintenance precise synchronization.Simultaneously, the data collection and control system according to the guide rail slide block of user input laterally, radially load change curve, control respectively the size of the power output of horizontal load maintainer, Plumb load mechanism, laterally the power of load maintainer, the output of Plumb load mechanism acts on the guide rail slide block by stressed slide unit, thereby realize that transverse load, radial load that guide rail slide block bears change by user's request, with the various operating modes of simulation guideway.
During test, the data collection and control system gathers vibration signal and the temperature signal of guide rail slide block by three-way vibration acceleration transducer, temperature sensor, thereby obtain assessing the required test figure of load and guideway performance and life-span Relations Among, for the design of guideway and maintenance provide more reliably test basis.
The second technical scheme that its technical matters that solves the utility model adopts is: the active servo-actuated application of force line slideway auxiliary test unit 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 respectively the both sides of leading screw driving mechanism, stressed slide unit links to each other with the leading screw driving mechanism, in four angles of stressed slide unit bottom surface and four corresponding linking to each other of guide rail slide blocks, 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 Plumb load mechanism 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 by horizontal pull pressure sensor, laterally application of force head is over against the longitudinal center of stressed slide unit side, laterally the base of force application apparatus is installed on the support by horizontal force application apparatus leading screw driving mechanism, this base links to each other with horizontal force application apparatus grating ruler reading head, and laterally the force application apparatus grating ruler reading head cooperates with horizontal force application apparatus grating scale main scale on being fixed in support;
The formation of described Plumb load mechanism is: vertical force application apparatus links to each other with vertical application of force head by vertical pull pressure sensor, vertical application of force head be positioned at stressed slide unit center directly over, vertical force application apparatus is installed on the crossbeam of portal frame, the base on portal frame right side is fixed on the support by 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;
Three-way vibration acceleration transducer and temperature sensor all are installed on each guide rail slide block; These sensors and grating ruler reading head all are electrically connected with the data collection and control system; Leading screw driving mechanism, horizontal load maintainer and Plumb load mechanism also all are electrically connected with the data collection and control system.
The course of work and the principle of above-mentioned the second technical scheme are:
The leading screw driving mechanism drives stressed slide unit lengthwise movement, and grating ruler reading head feeds back to the data collection and control system with the motion conditions of stressed slide unit; Laterally force application apparatus leading screw driving mechanism drives the base lengthwise movement of horizontal force application apparatus, drive simultaneously the portal frame lengthwise movement that links to each other with this base, laterally the force application apparatus grating ruler reading head feeds back to the data collection and control system with the motion conditions of horizontal force application apparatus base, the data collection and control system is according to the feedback signal of two grating ruler reading heads, control two leading screw driving mechanisms, make stressed slide unit, laterally force application apparatus and the motion of vertical force application apparatus maintenance precise synchronization.Simultaneously, the data collection and control system according to the guide rail slide block of user input laterally, radially load change curve, control respectively the size of the power output of horizontal load maintainer, Plumb load mechanism, laterally the power of load maintainer, the output of Plumb load mechanism acts on the guide rail slide block by stressed slide unit, thereby realize that transverse load, radial load that guide rail slide block bears change by user's request, with the various operating modes of simulation guideway.
During test, the data collection and control system gathers vibration signal and the temperature signal of guide rail slide block by three-way vibration acceleration transducer, temperature sensor, thereby obtain assessing the required test figure of load and guideway performance and life-span Relations Among, for the design of guideway and maintenance provide more reliably test basis.
Compared with prior art, the beneficial effects of the utility model are:
One, two schemes of the present utility model is when testing, and laterally the application of force head (point of application) of load maintainer and Plumb load mechanism all is synchronized with the movement with stressed slide unit, and the point of application is relative static with four guide rail slide blocks; Thereby uniformly constant acting on four guide rail slide blocks of the load that force application apparatus applies, the load that each guide rail slide block bears is 1/4 of force application apparatus imposed load, also being 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, the utility model device is when the performance of carrying out line slideway auxiliary and durability test, can realize very easily accurate, the reliable control of imposed load, thereby can more accurately, reliable assess out load and guideway performance and the relation between the life-span, for design and the maintenance of guideway provides more reliable test basis.
Two, the horizontal load maintainer of the utility model the first technical scheme, Plumb load mechanism respectively adopt a leading screw driving mechanism, structure is comparatively complicated, but control accuracy is high, and is low to the power requirement of the leading screw driving mechanism of horizontal load maintainer, Plumb load mechanism; The horizontal load maintainer of the second technical scheme, Plumb load mechanism share a leading screw driving mechanism, and it is simple in structure, but high to the power requirement of this leading screw driving mechanism.Two schemes is applicable to respectively the different occasions that require, so that of the present utility model practical, easier promotion and implementation.
Horizontal force application apparatus side line slideway auxiliary is installed between the base of the horizontal force application apparatus of above-mentioned the first technical scheme and the support, the right side line slideway auxiliary is installed between the base on portal frame right side and the support.
Adopt line slideway auxiliary as the guide piece of horizontal force application apparatus and portal frame, make the walking of horizontal force application apparatus and portal frame more reliable and more stable, also higher bearing accuracy and the walking precision of easier acquisition; The wearing and tearing of line slideway auxiliary are very little, can the long term maintenance high precision.
Horizontal force application apparatus side line slideway auxiliary is installed between the base of the horizontal force application apparatus of above-mentioned the second technical scheme and the support.
Adopt line slideway auxiliary as the guide piece of the base of horizontal force application apparatus, also make the walking of horizontal force application apparatus and portal frame more reliable and more stable, obtain easily higher bearing accuracy and walking precision; The wearing and tearing of line slideway auxiliary are very little, can the long term maintenance high precision.
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the structural representation of the utility model embodiment two;
Embodiment
Embodiment one
Fig. 1 illustrates, and the first embodiment of the present utility model is, the active servo-actuated application of force line slideway auxiliary test unit 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 respectively the both sides of leading screw driving mechanism 2, the bottom surface of stressed slide unit 4 links to each other with leading screw driving mechanism 2, in four angles of stressed slide unit 4 bottom surfaces and 5 corresponding linking to each other of four guide rail slide blocks, 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 19, and this grating ruler reading head 19 cooperates with grating scale main scale 25 on being fixed in support 1, and the side of stressed slide unit 4 has horizontal load maintainer, top that Plumb load mechanism is arranged.
The formation of described horizontal load maintainer is: laterally force application apparatus 12 links to each other by horizontal pull pressure sensor 13 and the horizontal application of force 14, the horizontal application of force 14 longitudinal center over against stressed slide unit 4 sides, laterally the base 10 of force application apparatus 12 is installed on the support 1 by horizontal force application apparatus leading screw driving mechanism 6, this base 10 links to each other with horizontal force application apparatus grating ruler reading head, and laterally the force application apparatus grating ruler reading head cooperates with horizontal force application apparatus grating scale main scale 7 on being fixed in support 1.
The formation of described Plumb load mechanism is: vertical force application apparatus 15 links to each other by vertical pull pressure sensor 17 and the vertical application of force 18, the vertical application of force 18 be positioned at stressed slide unit 4 centers directly over, vertical force application apparatus 15 is installed on the crossbeam of portal frame 16, the base 21 on portal frame 16 right sides is installed on the support 1 by portal frame leading screw driving mechanism 20, the base 21 on described right side links to each other with sidelight grid ruler reading head 22, and sidelight grid ruler reading head 22 cooperates with side grating scale main scale 24 on being fixed in support 1; The base 11 in portal frame 16 left sides is fixed on the support 1 by left side line slideway auxiliary 9.
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 19 all are electrically connected with the data collection and control system; Leading screw driving mechanism 2, horizontal load maintainer and Plumb load mechanism also all are electrically connected with the data collection and control system.
Embodiment two
Fig. 2 illustrates, and the second embodiment of the present utility model is, the active servo-actuated application of force line slideway auxiliary test unit 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 respectively the both sides of leading screw driving mechanism 2, the bottom surface of stressed slide unit 4 links to each other with leading screw driving mechanism 2, in four angles of stressed slide unit 4 bottom surfaces and 5 corresponding linking to each other of four guide rail slide blocks, 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 19, and this grating ruler reading head 19 cooperates with grating main scale 25 on being fixed in support 1, and the side of stressed slide unit 4 has horizontal load maintainer, top that Plumb load mechanism is arranged.
The formation of described horizontal load maintainer is: laterally force application apparatus 12 links to each other by horizontal pull pressure sensor 13 and the horizontal application of force 14, the horizontal application of force 14 longitudinal center over against stressed slide unit 4 sides, laterally the base 10 ' of force application apparatus 12 is installed on the support 1 by horizontal force application apparatus leading screw driving mechanism 6 ', this base 10 ' links to each other with horizontal force application apparatus grating ruler reading head, and laterally the force application apparatus grating ruler reading head cooperates with horizontal force application apparatus grating scale main scale 7 on being fixed in support 1.
The formation of described Plumb load mechanism is: vertical force application apparatus 15 links to each other by vertical pull pressure sensor 17 and the vertical application of force 18, the vertical application of force 18 be positioned at stressed slide unit 4 centers directly over, vertical force application apparatus 15 is installed on the crossbeam of portal frame 16 ', the base 21 on portal frame 16 ' right side is fixed on the support 1 by right side line slideway auxiliary 23 ', and the left side of portal frame 16 ' links to each other with the base 10 ' of horizontal force application apparatus 12.
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 19 all are electrically connected with the data collection and control system; Leading screw driving mechanism 2, horizontal load maintainer and Plumb load mechanism also all are electrically connected with the data collection and control system.
Horizontal force application apparatus of the present utility model and vertical force application apparatus can be for existing various force application apparatus, such as hydraulic cylinder, cylinder, electric cylinder etc.The leading screw driving mechanism that the utility model adopts can be for existing various leading screw driving mechanisms, such as motor-driven screw mechanism.
Claims (4)
1. active servo-actuated application of force line slideway auxiliary test unit 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 respectively the both sides of leading screw driving mechanism (2), stressed slide unit (4) 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 (19), this grating ruler reading head (19) cooperates with grating scale main scale (25) on being fixed in support (1), and the side of stressed slide unit (4) has horizontal load maintainer, top that Plumb load mechanism is arranged; It is characterized in that:
The formation of described horizontal load maintainer is: laterally force application apparatus (12) links to each other with horizontal application of force head (14) by horizontal pull pressure sensor (13), laterally application of force head (14) is over against the longitudinal center of stressed slide unit (4) side, laterally the base (10) of force application apparatus (12) is installed on the support (1) by horizontal force application apparatus leading screw driving mechanism (6), this base (10) links to each other with horizontal force application apparatus grating ruler reading head, and laterally the force application apparatus grating ruler reading head cooperates with horizontal force application apparatus grating scale main scale (7) on being fixed in support (1);
The formation of described Plumb load mechanism is: vertical force application apparatus (15) links to each other with vertical application of force head (18) by vertical pull pressure sensor (17), vertical application of force head (18) be positioned at stressed slide unit (4) center directly over, vertical force application apparatus (15) is installed on the crossbeam of portal frame (16), the base (21) on portal frame (16) right side is installed on the support (1) by portal frame leading screw driving mechanism (20), the base on described right side (21) links to each other with sidelight grid ruler reading head (22), and sidelight grid ruler reading head (22) cooperates with side grating scale main scale (24) on being fixed in support (1); The base (11) in portal frame (16) left side is fixed on the support (1) by left side line slideway auxiliary (9);
Each guide rail slide block all is equipped with three-way vibration acceleration transducer and temperature sensor on (5); These sensors and grating ruler reading head (19) all are electrically connected with the data collection and control system; Leading screw driving mechanism (2), horizontal load maintainer and Plumb load mechanism also all are electrically connected with the data collection and control system.
2. the controlled active servo-actuated application of force line slideway auxiliary test unit of a kind of load according to claim 1, it is characterized in that: between the base (10) of described horizontal force application apparatus (12) and the support (1) horizontal force application apparatus side line slideway auxiliary (8) is installed, between the base on portal frame right side (21) and the support (1) right side line slideway auxiliary (23) is installed.
3. active servo-actuated application of force line slideway auxiliary test unit 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 respectively the both sides of leading screw driving mechanism (2), stressed slide unit (4) 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 (19), this grating ruler reading head (19) cooperates with grating main scale (25) on being fixed in support (1), and the side of stressed slide unit (4) has horizontal load maintainer, top that Plumb load mechanism is arranged; It is characterized in that:
The formation of described horizontal load maintainer is: laterally force application apparatus (12) links to each other with horizontal application of force head (14) by horizontal pull pressure sensor (13), laterally application of force head (14) is over against the longitudinal center of stressed slide unit (4) side, laterally the base (10 ') of force application apparatus (12) is installed on the support (1) by horizontal force application apparatus leading screw driving mechanism (6 '), this base (10 ') links to each other with horizontal force application apparatus grating ruler reading head, and laterally the force application apparatus grating ruler reading head cooperates with horizontal force application apparatus grating scale main scale (7) on being fixed in support (1);
The formation of described Plumb load mechanism is: vertical force application apparatus (15) links to each other with vertical application of force head (18) by vertical pull pressure sensor (17), vertical application of force head (18) be positioned at stressed slide unit (4) center directly over, vertical force application apparatus (15) is installed on the crossbeam of portal frame (16 '), the base (21) on portal frame (16 ') right side is fixed on the support (1) by right side line slideway auxiliary (23 '), and the left side of portal frame (16 ') links to each other with the base (10 ') of horizontal force application apparatus (12);
Each guide rail slide block all is equipped with three-way vibration acceleration transducer and temperature sensor on (5); These sensors and grating ruler reading head (19) all are electrically connected with the data collection and control system; Leading screw driving mechanism (2), horizontal load maintainer and Plumb load mechanism also all are electrically connected with the data collection and control system.
4. the controlled active servo-actuated application of force line slideway auxiliary test unit of a kind of load according to claim 3 is characterized in that: between the base (10 ') of described horizontal force application apparatus (12) and the support (1) horizontal force application apparatus side line slideway auxiliary (8 ') is installed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220274354 CN202676435U (en) | 2012-06-12 | 2012-06-12 | Load controllable active type servo-actuated force application linear guide rail pair test device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220274354 CN202676435U (en) | 2012-06-12 | 2012-06-12 | Load controllable active type servo-actuated force application linear guide rail pair test device |
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| CN 201220274354 Withdrawn - After Issue CN202676435U (en) | 2012-06-12 | 2012-06-12 | Load controllable active type servo-actuated force application linear guide rail pair test device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692320A (en) * | 2012-06-12 | 2012-09-26 | 西南交通大学 | Load controllable active type follow-up force-applying linear guide rail pair test bed |
| CN103499436A (en) * | 2013-09-06 | 2014-01-08 | 西安交通大学 | Test bench for comparison test of combination property of rolling linear guide rail pair |
| 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 |
| CN108072519A (en) * | 2018-01-09 | 2018-05-25 | 哈尔滨工业大学 | A kind of novel analog heavy duty radar line slideway auxiliary comparative trial of life-span device |
-
2012
- 2012-06-12 CN CN 201220274354 patent/CN202676435U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692320A (en) * | 2012-06-12 | 2012-09-26 | 西南交通大学 | Load controllable active type follow-up force-applying linear guide rail pair test bed |
| CN102692320B (en) * | 2012-06-12 | 2014-08-06 | 西南交通大学 | Load controllable active type follow-up force-applying linear guide rail pair test bed |
| CN103499436A (en) * | 2013-09-06 | 2014-01-08 | 西安交通大学 | Test bench for comparison test of combination property of rolling linear guide rail pair |
| CN103499436B (en) * | 2013-09-06 | 2016-06-29 | 西安交通大学 | The laboratory table of linear rolling guide combination property contrast test |
| 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 |
| CN108072519A (en) * | 2018-01-09 | 2018-05-25 | 哈尔滨工业大学 | A kind of novel analog heavy duty radar line slideway auxiliary comparative trial of life-span device |
| CN108072519B (en) * | 2018-01-09 | 2019-05-28 | 哈尔滨工业大学 | A kind of novel analog heavy duty radar line slideway auxiliary comparative trial of life-span device |
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Granted publication date: 20130116 Effective date of abandoning: 20140806 |
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