CN205374030U - Guide tracked power loading device of electricity main shaft reliability test platform arc - Google Patents
Guide tracked power loading device of electricity main shaft reliability test platform arc Download PDFInfo
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- CN205374030U CN205374030U CN201620116829.2U CN201620116829U CN205374030U CN 205374030 U CN205374030 U CN 205374030U CN 201620116829 U CN201620116829 U CN 201620116829U CN 205374030 U CN205374030 U CN 205374030U
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- guide rail
- arc
- shaped guide
- electro spindle
- reliability test
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- 238000012360 testing method Methods 0.000 title claims abstract description 27
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- 229910052742 iron Inorganic materials 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000003068 static effect Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000011161 development Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- 230000018109 developmental process Effects 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000009415 formwork Methods 0.000 abstract 1
- 238000004088 simulation Methods 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000036316 preload Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
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Abstract
The utility model relates to a guide tracked power loading device of electricity main shaft reliability test platform arc belongs to the reliability test bench formwork and plans cutting force loading device. The left back fixed connection of dynamometer machine and ground black iron, loading unit and support top fixed connection, loading unit left end and the coaxial assembly of dynamometer machine, electric main shaft supporting mechanism fixed connection are on the right -hand member ground of loading unit black iron, and the guide tracked power loading of arc part is connected with loading unit formation hinge structure. The advantage be can the greatly reduced test bench the manufacturing cost and the assembly degree of difficulty, reduce test bench volume and area, do benefit to using widely on a large scale of reliability test platform, can apply developments, static force to electric main shaft, can also apply developments, static pulling force, can realize the full -automatic arbitrary change of loading power 0 degree to 30 degrees, so more can simulate the operating condition, establish the basis for electric main shaft reliability test.
Description
Technical field
This utility model relates to a kind of reliability test bench simulation cutting force loading device, refers in particular to a kind of analog loading device being coordinated with arc-shaped guide rail by a set of electrohydraulic servo system and realizing the dynamic and static cutting force of electrical spindle for machine tool.
Background technology
In the process of economic globalization and integration, manufacture and be already taken as key pillars of the national economy industry.High-end numerical control machine technology has been included in the important development strategy of equipment manufacture by China, is also one of developing direction improving China's equipment manufacture level simultaneously.Owing to electro spindle is the key function parts of lathe, the reliability level of electro spindle directly determines the reliability level of Digit Control Machine Tool, and China produce with design electro spindle with abroad compare, reliability is not high, thus the further investigation of electro spindle reliability is necessary.
In the development of electro spindle reliability test bench, how electro spindle being applied simulation cutting power is one of sixty-four dollar question.Current a part of electro spindle reliability test bench is the Hydrauservo System adopting two sets independent, apply radial force and axial force respectively, but adopt two set electrohydraulic servo system loading simulation cutting force costs high, and control two set electro-hydraulic servos and need the unification on the retention time, add the difficulty in control；Another part is to adopt non-contact electromagnetic to load, and owing to technique limits, air gap adjusts difficulty, the loading force that contactless electromagnetism loads is little, and electromagnetic exciter and magnetic conductor can not keep absolute parallel, cause that loading force deflection produces additional torque load, affect test effect；Some are also had to adopt the scheme that piezoelectric ceramics loads, but restricted by loading principle, the elongation that piezoelectric ceramics loads is only small, generally require preload could work, therefore it is required that the guiding mechanism precision of piezoelectric ceramics and rigidity are high, also being provided that preload, this brings very big difficulty to design, processing and installation.
Summary of the invention
This utility model provides a kind of electro spindle reliability test bench arc-shaped guide rail formula force loading device, with the actual loading situation that can not simulate electro spindle to greatest extent that solution presently, there are, and the problem that the cost of reliability test bench is high.
This utility model adopts the technical scheme that: dynamometer machine is fixing with the left back of ground black iron to be connected, loading unit is fixed above with support to be connected, loading unit left end and dynamometer machine coaxially assemble, electro spindle supporting mechanism is fixedly connected on the right-hand member ground black iron of loading unit, and arc-shaped guide rail formula power loading section forms hinge arrangement with loading unit and is connected.
The structure of dynamometer machine described in the utility model is: electric dynamometer, torque rotary speed sensor support are separately fixed at the upper surface of dynamometer cradle; torque rotary speed sensor is fixed on torque rotary speed sensor support; torque rotary speed sensor is coaxially connected with electric dynamometer by shaft coupling; protective cover covers on electric dynamometer and the junction of torque rotary speed sensor and fixed above with dynamometer cradle is connected, and half a coupler is connected on the axle of torque rotary speed sensor by flat key.
The structure of support described in the utility model is: U-clamp holds seat support and protected enclosure is separately fixed at support bearing, and U-shaped grip slipper is fixed on U-clamp and holds on seat support.
The structure of loading unit described in the utility model is: bottom surface is have indent spherical groove in the middle of foursquare spherical stress seat, this spherical stress seat is fixing with the side of bearing holder (housing, cover) to be connected, loading bar is a multidiameter, is encased in bearing holder (housing, cover) by bearing, and 2 end caps are fixed with these bearing holder (housing, cover) two ends and are connected.
The structure of arc-shaped guide rail formula power loading section described in the utility model is: fixes with support leg mechanism below Electrohydraulic servo cylinder and is connected, support leg mechanism is fixedly connected on connecting plate, low speed servo motor is fixing with decelerator to be connected, decelerator is arranged on connecting plate, front arc guide rail, middle arc-shaped guide rail and rear arc guide rail are bolted on the groove of curved plate upper surface, gear grooved is had outside middle arc-shaped guide rail, gear on decelerator external part engages with the gear grooved of arc-shaped guide rail side in this, slide bottom respectively with front arc guide rail, middle arc-shaped guide rail and rear arc slide connect, top is fixing with bottom connecting plate to be connected.
The structure of slide described in the utility model is: pulley plate is a rectangular slab, lower surface middle position has a through hole, pulley plate short brink has arcuate groove, unthreaded hole is had at four angular position, pulley is concave shaped structure, there is a unthreaded hole centre, the indent place of pulley respectively with front arc guide rail, middle arc-shaped guide rail and rear arc guide rail both sides male cooperation, pulley is by the unthreaded hole interference fit of bearing pin with four angular position of pulley plate, and whole slide is bolted on connecting plate lower surface.
Be slidably connected on front arc guide rail described in the utility model, middle arc-shaped guide rail and rear arc guide rail two slides, a slide and two slides respectively.
The structure of electro spindle supporting mechanism described in the utility model is: electro spindle embraces that clamp assembly is fixed above with electro spindle supporting seat to be connected, and is connected with adjusting pad ferropexy bottom electro spindle supporting seat.
The utility model has the advantages that: adopt a set of electrohydraulic servo system to realize the dynamic and static cutting force simulation loading to electro spindle, adopt with other compared with testing stand overlapping electrohydraulic servo system more, manufacturing cost and the assembly difficulty of testing stand can be substantially reduced, reducing testing stand volume and floor space, the large-scale promotion being beneficial to reliability test bench uses；Adopt a set of electrohydraulic servo system, simpler than adopting two set electrohydraulic servo systems in control, and also stability is better, effectively prevent two set electrohydraulic servo system Collaborative Control；The Front-end Design of the electrohydraulic servo system of employing has high accuracy ball-type hinge to be connected with loading unit part, electro spindle can not only be applied dynamic, static pressure, moreover it is possible to apply dynamic, static tensile force；The electrohydraulic servo system adopted coordinates with the arc-shaped guide rail driven with gear, it is possible to realizes the full-automatic arbitrarily change of loading force 0 degree to 30 degree, so more can simulate actual condition, lay the foundation for electro spindle reliability test.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of this utility model dynamometer machine；
Fig. 3 is the structural representation of this utility model support；
Fig. 4 is the structural representation of this utility model loading unit；
Fig. 5 is the structural representation of this utility model arc-shaped guide rail formula power loading section；
Fig. 6 is the exploded view of this utility model arc-shaped guide rail formula power loading section；
Fig. 7 is this utility model curved plate associated components installation diagram；
Fig. 8 is this utility model slide carriage structure schematic diagram；
Fig. 9 is the structural representation of this utility model electro spindle supporting mechanism.
Detailed description of the invention
Dynamometer machine 3 is fixing with the left back of ground black iron 2 to be connected, loading unit 5 is fixed above with support 4 to be connected, loading unit 5 left end and dynamometer machine 3 coaxially assemble, electro spindle supporting mechanism 7 is fixedly connected on the right-hand member ground black iron 2 of loading unit 5, and arc-shaped guide rail formula power loading section 6 forms hinge arrangement with loading unit 5 and is connected；
The structure of described dynamometer machine 3 is: electric dynamometer 302, torque rotary speed sensor support 306 are separately fixed at the upper surface of dynamometer cradle 301; torque rotary speed sensor 304 is fixed on torque rotary speed sensor support 306; torque rotary speed sensor 304 is coaxially connected with electric dynamometer by shaft coupling; protective cover 303 covers on electric dynamometer and the junction of torque rotary speed sensor and fixed above with dynamometer cradle 301 is connected, and half a coupler 305 is connected on the axle of torque rotary speed sensor by flat key；
The structure of described support 4 is: U-clamp holds seat support 404 and protected enclosure 402 is separately fixed at support bearing 401, and U-shaped grip slipper 403 is fixed on U-clamp and holds on seat support 404；
The structure of described loading unit 5 is: bottom surface is have indent spherical groove in the middle of foursquare spherical stress seat 501, this spherical stress seat is fixing with the side of bearing holder (housing, cover) 504 to be connected, loading bar 502 is a multidiameter, is encased in by bearing in bearing holder (housing, cover) 504, and 2 end caps 503 are fixed with these bearing holder (housing, cover) two ends and are connected；
The structure of described arc-shaped guide rail formula power loading section 6 is: fixes with support leg mechanism 602 below Electrohydraulic servo cylinder 601 and is connected, support leg mechanism 602 is fixedly connected on connecting plate 605, low speed servo motor 603 is fixing with decelerator 604 to be connected, decelerator 604 is arranged on connecting plate 605, front arc guide rail 609, middle arc-shaped guide rail 608 and rear arc guide rail 607 are bolted on the groove of curved plate 606 upper surface, gear grooved is had outside middle arc-shaped guide rail 608, gear on decelerator 604 external part engages with the gear grooved of arc-shaped guide rail in this 608 side, slide 610 bottom respectively with front arc guide rail 609, middle arc-shaped guide rail 608 and rear arc guide rail 607 are slidably connected, top is fixing with bottom connecting plate 605 to be connected；
Supporting leg framework 602 utilizes the principle of ball-screw to be capable of stretching in the height direction, therefore can regulate the height and position of Electrohydraulic servo cylinder 601 to ensure the levelness of Electrohydraulic servo cylinder 23；
Curved plate 606 is plate structure part, the processing of front end place has a conicle bossing, the center of circle of this circular cone is the center of circle of arc-shaped guide rail, it is therefore an objective to ensure that the center of circle of arc guide rail is concentric with the centre of sphere of the indent spherical groove of the spherical stress seat 501 of loading unit part in order to convenient；
The structure of described slide 610 is: pulley plate 61002 is a rectangular slab, lower surface middle position has a through hole, pulley plate short brink has arcuate groove, prevent from interfering with the gear shaft of decelerator 604 output, unthreaded hole is had at four angular position, pulley 61001 is concave shaped structure, there is a unthreaded hole centre, the indent place of pulley 61001 respectively with front arc guide rail 609, middle arc-shaped guide rail 608 and rear arc guide rail 607 both sides male cooperation, ensure that connecting plate 605 can be in rotary moving along arc-shaped guide rail, pulley 61001 is by the unthreaded hole interference fit of bearing pin with 61,002 4 angular position of pulley plate, whole slide is fixed on connecting plate 605 lower surface by bolt 61003；
Be slidably connected on described front arc guide rail 609, middle arc-shaped guide rail 608 and rear arc guide rail 607 two slides, a slide and two slides respectively；
The structure of described electro spindle supporting mechanism 7 is: electro spindle embraces that clamp assembly 703 is fixed above with electro spindle supporting seat 702 to be connected, bottom electro spindle supporting seat with adjust that parallels 701 is fixing to be connected.
Tested electro spindle 1 is arranged on electro spindle and embraces in clamp assembly, loading unit 5 right-hand member and electro spindle 1 coaxially assemble, Electrohydraulic servo cylinder 601 is by control station control, it is capable of dynamically, static, the loading of the power of different frequency size, Electrohydraulic servo cylinder stretched head is encased in the indent spherical groove in the middle of spherical stress seat 501, a spherical linkage mechanism can be formed, Electrohydraulic servo cylinder is possible not only to when loading unit part is applied power ensure that Electrohydraulic servo cylinder can rotate around spherical linkage mechanism, loading unit part can also be applied pulling force or pressure, so more can simulate electro spindle stressing conditions in actual condition really.
Claims (8)
1. an electro spindle reliability test bench arc-shaped guide rail formula force loading device, it is characterized in that: dynamometer machine is fixing with the left back of ground black iron to be connected, loading unit is fixed above with support to be connected, loading unit left end and dynamometer machine coaxially assemble, electro spindle supporting mechanism is fixedly connected on the right-hand member ground black iron of loading unit, and arc-shaped guide rail formula power loading section forms hinge arrangement with loading unit and is connected.
2. electro spindle reliability test bench arc-shaped guide rail formula force loading device according to claim 1, it is characterized in that: the structure of described dynamometer machine is: electric dynamometer, torque rotary speed sensor support is separately fixed at the upper surface of dynamometer cradle, torque rotary speed sensor is fixed on torque rotary speed sensor support, torque rotary speed sensor is coaxially connected with electric dynamometer by shaft coupling, protective cover covers on electric dynamometer and the junction of torque rotary speed sensor and fixed above with dynamometer cradle is connected, half a coupler is connected on the axle of torque rotary speed sensor by flat key.
3. electro spindle reliability test bench arc-shaped guide rail formula force loading device according to claim 1, it is characterized in that: the structure of described support is: U-clamp holds seat support and protected enclosure is separately fixed at support bearing, and U-shaped grip slipper is fixed on U-clamp and holds on seat support.
4. electro spindle reliability test bench arc-shaped guide rail formula force loading device according to claim 1, it is characterized in that: the structure of described loading unit is: bottom surface is have indent spherical groove in the middle of foursquare spherical stress seat, this spherical stress seat is fixing with the side of bearing holder (housing, cover) to be connected, loading bar is a multidiameter, is encased in bearing holder (housing, cover) by bearing, and 2 end caps are fixed with these bearing holder (housing, cover) two ends and are connected.
5. electro spindle reliability test bench arc-shaped guide rail formula force loading device according to claim 1, it is characterized in that: the structure of described arc-shaped guide rail formula power loading section is: fix with support leg mechanism below Electrohydraulic servo cylinder and be connected, support leg mechanism is fixedly connected on connecting plate, low speed servo motor is fixing with decelerator to be connected, decelerator is arranged on connecting plate, front arc guide rail, middle arc-shaped guide rail and rear arc guide rail are bolted on the groove of curved plate upper surface, gear grooved is had outside middle arc-shaped guide rail, gear on decelerator external part engages with the gear grooved of arc-shaped guide rail side in this, slide bottom respectively with front arc guide rail, middle arc-shaped guide rail and rear arc slide connect, top is fixing with bottom connecting plate to be connected.
6. electro spindle reliability test bench arc-shaped guide rail formula force loading device according to claim 5, it is characterized in that: the structure of described slide is: pulley plate is a rectangular slab, lower surface middle position has a through hole, pulley plate short brink has arcuate groove, unthreaded hole is had at four angular position, pulley is concave shaped structure, there is a unthreaded hole centre, the indent place of pulley respectively with front arc guide rail, middle arc-shaped guide rail and rear arc guide rail both sides male cooperation, pulley is by the unthreaded hole interference fit of bearing pin with four angular position of pulley plate, whole slide is bolted on connecting plate lower surface.
7. electro spindle reliability test bench arc-shaped guide rail formula force loading device according to claim 5, it is characterised in that: two slides that are slidably connected respectively on described front arc guide rail, middle arc-shaped guide rail and rear arc guide rail, a slide and two slides.
8. electro spindle reliability test bench arc-shaped guide rail formula force loading device according to claim 1, it is characterized in that: the structure of described electro spindle supporting mechanism is: electro spindle embraces that clamp assembly is fixed above with electro spindle supporting seat to be connected, and is connected with adjusting pad ferropexy bottom electro spindle supporting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620116829.2U CN205374030U (en) | 2016-02-05 | 2016-02-05 | Guide tracked power loading device of electricity main shaft reliability test platform arc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620116829.2U CN205374030U (en) | 2016-02-05 | 2016-02-05 | Guide tracked power loading device of electricity main shaft reliability test platform arc |
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| CN205374030U true CN205374030U (en) | 2016-07-06 |
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| CN201620116829.2U Expired - Fee Related CN205374030U (en) | 2016-02-05 | 2016-02-05 | Guide tracked power loading device of electricity main shaft reliability test platform arc |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441886A (en) * | 2016-12-08 | 2017-02-22 | 吉林大学 | Cutting force automatic control main shaft reliability test device and test method |
| CN106625021A (en) * | 2017-03-20 | 2017-05-10 | 北京航空航天大学 | Loading device and loading method for testing reliability of electric spindle |
| CN107702877A (en) * | 2017-09-25 | 2018-02-16 | 王宗 | A kind of outdoor anti-collision type ground fire hydrant crashworthiness experimental rig |
| CN107765637A (en) * | 2017-09-08 | 2018-03-06 | 北京航空航天大学 | Torque-measuring apparatus and measuring method for machine tool high speed electro spindle |
| CN110095276A (en) * | 2019-06-09 | 2019-08-06 | 吉林大学 | Portable power knife rest full working scope load testing machine |
| CN114264462A (en) * | 2021-12-15 | 2022-04-01 | 吉林大学 | Reliability test bed and method for double-electric-spindle broach mechanism |
-
2016
- 2016-02-05 CN CN201620116829.2U patent/CN205374030U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441886A (en) * | 2016-12-08 | 2017-02-22 | 吉林大学 | Cutting force automatic control main shaft reliability test device and test method |
| CN106625021A (en) * | 2017-03-20 | 2017-05-10 | 北京航空航天大学 | Loading device and loading method for testing reliability of electric spindle |
| CN106625021B (en) * | 2017-03-20 | 2018-11-27 | 北京航空航天大学 | A kind of loading device and loading method for electro spindle reliability test |
| CN107765637A (en) * | 2017-09-08 | 2018-03-06 | 北京航空航天大学 | Torque-measuring apparatus and measuring method for machine tool high speed electro spindle |
| CN107765637B (en) * | 2017-09-08 | 2019-12-17 | 北京航空航天大学 | Torque measuring device and method for high-speed electric spindle of machine tool |
| CN107702877A (en) * | 2017-09-25 | 2018-02-16 | 王宗 | A kind of outdoor anti-collision type ground fire hydrant crashworthiness experimental rig |
| CN110095276A (en) * | 2019-06-09 | 2019-08-06 | 吉林大学 | Portable power knife rest full working scope load testing machine |
| CN114264462A (en) * | 2021-12-15 | 2022-04-01 | 吉林大学 | Reliability test bed and method for double-electric-spindle broach mechanism |
| CN114264462B (en) * | 2021-12-15 | 2024-03-22 | 吉林大学 | Reliability test bed and method for double-motorized spindle broach mechanism |
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Granted publication date: 20160706 |
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| CF01 | Termination of patent right due to non-payment of annual fee |