CN202188954U - High-speed electric spindle dynamic loading device - Google Patents
High-speed electric spindle dynamic loading device Download PDFInfo
- Publication number
- CN202188954U CN202188954U CN2011202866250U CN201120286625U CN202188954U CN 202188954 U CN202188954 U CN 202188954U CN 2011202866250 U CN2011202866250 U CN 2011202866250U CN 201120286625 U CN201120286625 U CN 201120286625U CN 202188954 U CN202188954 U CN 202188954U
- Authority
- CN
- China
- Prior art keywords
- hole
- bearing
- main shaft
- radial
- loading
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The utility model discloses a high-speed electric spindle dynamic loading device comprising a supporting part and a loading part, wherein the supporting part comprises a spindle base, an axial loading bracket, a radial loading backing plate and a dynamometer base, the spindle base comprises a spindle backing plate, an adjusting gasket and a holding and clamping mechanism, the loading part comprises a radial loading mechanism, an axial loading mechanism, a torque loading mechanism, a loading rod and a bearing unit, the torque loading mechanism comprises an electric dynamometer and a high-speed spring coil coupling, the adjusting gasket and the holding and clamping mechanism are superposed on the spindle backing plate to be fixedly connected, the electric dynamometer is fixed on the dynamometer base and connected with the right end of the loading rod through the high-speed spring coil coupling, the left end of the loading rod is connected with the right end of a tested high-speed electric spindle arranged in the holding and clamping mechanism, the bearing unit is sheathed on the loading rod, the radial loading mechanism is arranged on the radial loading backing plate and positioned just under the bearing unit, one end of the axial loading mechanism is arranged on the axial loading bracket, and the other end of the axial loading mechanism is in contact connection with the bearing unit.
Description
Technical field
The utility model relates to a kind of charger, and or rather, the utility model relates to a kind of high-speed electric main shaft dynamic loading device.
Background technology
Tested high-speed electric main shaft is the key feature of high-speed numeric control lathe, is the product of contemporary high speed machining develop rapidly, and it has saved gear train, and control simultaneously is also more accurate, thereby has improved the response speed and the machining precision of lathe.At present; There is significant difference in quiet, the dynamic property of homemade tested high-speed electric main shaft and reliability level with comparing abroad; Therefore, as the key feature of high-speed numeric control lathe, the raising of tested high-speed electric main shaft performance and reliability level plays key effect for the raising of complete machine performance.Study tested high-speed electric main shaft, need a kind of dynamic loading device that can simulate tested high-speed electric main shaft real work situation, on this basis electric main shaft is tested, tested.
Domestic have a simple tested high-speed electric main shaft testing table of some functions; This testing table can only carry out the test under the no-load condition to electric main shaft; Or use hydraulic system or motor that electric main shaft is carried out the static state loading; The force-bearing situation of analog electrical main shaft is even if but like this, also there is a big difference with the true stressing conditions of tested high-speed electric main shaft.Under the real working condition; The dynamic cutting force indirectly-acting that cutter receives is on electric main shaft; Cutting force also has certain frequency; Main shaft also receives torsional interaction simultaneously, and this Performance And Reliability to tested high-speed electric main shaft has very big influence, and existing charger all can not be simulated the influence of dynamic high frequency cutting force to electric main shaft.Therefore, be badly in need of a kind of novel high-speed electric main shaft dynamic loading device of invention, stressed under the analog main shaft real working condition is to satisfy the research of main shaft performance and reliability.
Summary of the invention
The utility model technical matters to be solved is to have overcome prior art can not simulate the problem of dynamic high frequency cutting force to the influence of electric main shaft, and a kind of high-speed electric main shaft dynamic loading device is provided.
For solving the problems of the technologies described above, the utility model is to adopt following technical scheme to realize: described high-speed electric main shaft dynamic loading device comprises support section and loading section.
Described support section comprises the main shaft pedestal, axially loads support, radial loaded backing plate and dynamometer machine pedestal, and wherein: the main shaft pedestal comprises main shaft backing plate, adjustment pad and embraces clamp mechanism.
Described loading section comprises radial loaded mechanism, axial load maintainer, moment of torsion load maintainer, loading bar and bearing unit, and wherein: the moment of torsion load maintainer comprises electric dynamometer, high speed spring pipe shaft coupling and inverter.
The adjustment pad is stacked on the main shaft backing plate successively with an armful clamp mechanism and adopts bolt to be connected; Electric dynamometer is fixed on the dynamometer machine pedestal; The output terminal of electric dynamometer is connected with the loading bar right-hand member through high speed spring pipe shaft coupling; The loading bar left end be installed in the right-hand member of embracing the tested high-speed electric main shaft in the clamp mechanism and be connected, the axis of rotation of electric dynamometer output shaft, high speed spring pipe shaft coupling, loading bar and armful clamp mechanism spindle through-hole is in together on the horizontal line.Bearing unit is sleeved on the loading bar, be installed in radial loaded mechanism on the radial loaded backing plate be in bearing unit under connect for contact.Axially an end of load maintainer is installed on the axial loading support, and contact is connected the other end with bearing unit, and electric dynamometer is connected with the inverter electric wire.
Radial loaded mechanism described in the technical scheme comprises bottom supporting plate, radial slider, No. 1 pressure transducer, radially studs, radial loaded piezoelectric ceramic actuator, short pin, radial loaded mechanism shell and radial position adjusting mechanism.The last output terminal that is in the radial loaded piezoelectric ceramic actuator in the radial loaded mechanism shell is vertically stretched out by the shell entablature in the radial loaded mechanism shell; The following output terminal of radial loaded piezoelectric ceramic actuator passes through the radially upper end of No. 1 pressure transducer of studs connection; Contact is connected with the end face of radial slider in the lower end of No. 1 pressure transducer; The radial slider bottom surface is connected with radial position adjusting mechanism contact on being installed in the radial loaded mechanism shell, and the top bolt of the lower end of radial loaded mechanism shell and bottom supporting plate is connected; Described radial loaded mechanism shell is made up of left support post, right support post and shell entablature.The center of shell entablature is provided with a driver through hole that is used to stretch out output terminal on the radial loaded piezoelectric ceramic actuator; Driver through hole upper left side is provided with a short pin; Support post upper end, a left side is connected with the left and right sides end face bolt of shell entablature with right support post upper end; Left side support post is identical with right support post structure; The middle part of left side support post and right support post longitudinally is respectively arranged with the strip through hole; The lower end of a left side support post and right support post is evenly equipped with bolt hole, and the top of bolt hole is provided with the left side adjustment through hole and right adjustment through hole that is used to install the radial position adjusting mechanism, the axis of rotation conllinear of left side adjustment through hole and right adjustment through hole also and the axis of rotation of the driver through hole of shell entablature center intersect vertically; Described radial position adjusting mechanism comprises No. 1 bolt, do not have thread slider, thread slider is arranged, nut, retainer nut and spring.In the left side adjustment through hole that No. 1 bolt is installed in left support post and right support post lower end in the radial loaded mechanism shell and the right adjustment through hole; No thread slider and have thread slider to be sleeved between left support post and the right support post of radial loaded mechanism shell on No. 1 bolt; The top end face contact of the bottom supporting plate in the bottom surface of no thread slider and the bottom surface that thread slider is arranged and the radial loaded mechanism is connected; Spring housing is contained in no thread slider and has on No. 1 bolt between the thread slider, and nut and retainer nut are tightened successively and be fixed on No. 1 bolt that stretches out right support post; Described axial load maintainer comprise axial location adjusting mechanism, axial slider, side backing plate, No. 2 pressure transducers, axially studs, oscillating arm mechanisms, axially load piezoelectric ceramic actuator and axial load maintainer framework.Axially the load maintainer framework adopts and is bolted on the side backing plate of vertical placement; Axially vertical plane of symmetry of load maintainer framework is horizontal level; The axial location adjusting mechanism is installed in the left end within the axial load maintainer framework; The axial location adjusting mechanism is connected with the axial slider contact on right side; The right side of axial slider is connected with the left end contact of No. 2 pressure transducers; To the left output terminal that loads piezoelectric ceramic actuator, the right output terminal that axially loads piezoelectric ceramic actuator is stretched out by the loading through hole of the right column center position in the axial load maintainer framework and contacts and be connected with the left side of swing arm vertical beam in the oscillating arm mechanisms that the right-hand member that is sleeved on axial load maintainer framework becomes to be rotationally connected the right-hand member of No. 2 pressure transducers through axial studs coupling shaft; Described axial load maintainer framework is made up of entablature, sill, left column and right column.Entablature, sill, left column and right column fixedly mount into the rectangular framework of a sealing; The upper end of right column is provided with a upper supporting leg; The lower end of right column is provided with a following supporting leg; Upper supporting leg is vertical with the plane at axial load maintainer framework place with following supporting leg; Upper supporting leg is provided with axis of rotation conllinear and vertical last through hole and lower through-hole with following supporting leg, and axially the left end of load maintainer framework is provided with axis of rotation conllinear and vertical last bolt hole and the following bolt hole of installation shaft to position adjusting mechanism that be used for, and the center position of right column is provided with the axial loading through hole that axis of rotation is a level; Described oscillating arm mechanisms is made up of top link, following swing arm and swing arm vertical beam.Top link and the identical and L-shaped structural member of following swing arm structure, top link is long-armed by the top link of rectangular cross section to be formed with top link galianconism rectangular cross section.Following swing arm is made up of the bottom brachium arm of rectangular cross section and the following swing arm galianconism of rectangular cross section.The rectangular fixed connection of one end of the long-armed end of top link and top link galianconism, the rectangular fixed connection of an end of an end of bottom brachium arm and following swing arm galianconism.The long-armed vertical last long-armed through hole of axis of rotation that is processed with of top link is processed with the vertical following long-armed through hole of axis of rotation on the bottom brachium arm, go up the axis of rotation of long-armed through hole and the axis of rotation conllinear of following long-armed through hole.The right side of top link galianconism is fixedly connected with the left side of the swing arm vertical beam upper end of rectangular cross section; The right side of following swing arm galianconism is fixedly connected with the left side of the swing arm vertical beam lower end of rectangular cross section, and the swing arm vertical beam of rectangular cross section is vertical with following swing arm galianconism with the top link galianconism; Described bearing unit comprises bearing holder (housing, cover), left side O-ring seal, left end cap, back-up ring, left side bearing, sleeve, cone spacer, right side bearing, right end cap and right side O-ring seal.Wherein: the left side bearing is identical with the right-hand axis bearing structure, and the left side O-ring seal is identical with the right side ring structure.Right side bearing, cone spacer, sleeve, left side bearing and back-up ring are packed in the center pit of bearing holder (housing, cover) successively.The left side contact of bearing inner race right side, left side and sleeve is connected; The right side of sleeve is connected with the contact of bearing inner race left side, right side; The dome ring body contact on the left side of left-hand axis bearing outer-ring and back-up ring right side is connected, and the right-hand member torus contact of the right side of right-hand axis bearing outer-ring and bearing holder (housing, cover) center pit is connected.Cone spacer is sleeved on the sleeve between left side bearing and the right side bearing.The right end cap (46) of right side O-ring seal and the right side of bearing holder (housing, cover) are installed to be fixedly connected.O-ring seal on the left of being equipped with) the left end cap and the left side of bearing holder (housing, cover) are fixedly connected; The center of described bearing holder (housing, cover) is provided with the bearing cross hole that left side bearing, right side bearing, sleeve and cone spacer are installed; The right-hand member of bearing cross hole is provided with the torus that plays the role of positioning; The place, aperture of bearing cross hole left end is provided with the annular groove that back-up ring is installed; The left side of bearing holder (housing, cover) and the Si Jiaochu of right side are provided with tapped blind hole, and the centre position in bearing holder (housing, cover) end face left side is provided with a rectangular boss that is processed with oil supply hole.The right side of bearing holder (housing, cover) bottom surface is provided with a rectangular through slot that is used for placing swing arm under the oscillating arm mechanisms; The left side of bearing holder (housing, cover) bottom surface is provided with a semisphere circular groove that plays the loading effect; The axis of rotation of the bearing cross hole on the axis of rotation of semisphere circular groove and the bearing holder (housing, cover) (6) intersects vertically; A round end chute parallel with the axis of rotation of bearing cross hole is set on the bottom surface in bearing holder (housing, cover) (6) semisphere circular groove the place ahead, and the width of round end chute is identical with the short pin diameter of shell entablature in the radial loaded mechanism.
Compared with prior art the beneficial effect of the utility model is:
1. the described high-speed electric main shaft dynamic loading device of the utility model is taken into account the dynamic cutting force in the real working condition to quiet, the dynamic property of tested high-speed electric main shaft and the influence of reliability; Creatively use piezoelectric ceramic actuator that electric main shaft is carried out axially and radial loaded; Can reach higher vibration frequency; Simulate the cutting force and the frequency of various different processing modes; Simultaneously the electrification dynamometer machine carries out moment of torsion to main shaft and loads, and has reduced the various dissimilar force-bearing situation of electric main shaft in machining well, thereby makes the experimental data that obtains in the further research more genuine and believable.
2. the described high-speed electric main shaft dynamic loading device of the utility model is through the numerical value of pressure transducer, torque sensor and speed probe collection loading force and moment of torsion, and control system is regulated according to the variation of numerical value, makes device have higher loading accuracy.
3. the pedestal each several part of the described high-speed electric main shaft dynamic loading device of the utility model can carry out the adjusting of position and height; Make the high-speed electric main shaft dynamic loading device load, increased the applicability and the dirigibility of high-speed electric main shaft dynamic loading device the tested high-speed electric main shaft of different model and size.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described:
Fig. 1 is the axonometric projection graph that the described high-speed electric main shaft dynamic loading device of the utility model structure is formed;
Fig. 2 is the axonometric projection graph that the radial loaded mechanism structure is formed in the described high-speed electric main shaft dynamic loading device of the utility model;
Fig. 3 is the axonometric projection graph that axial load maintainer structure is formed in the described high-speed electric main shaft dynamic loading device of the utility model;
Fig. 4 is the exploded isometric perspective view that the bearing unit structure on the loading bar is formed in the described high-speed electric main shaft dynamic loading device of the utility model;
Fig. 5 is the FB(flow block) of the described high-speed electric main shaft dynamic loading device of the utility model control principle;
Among the figure: 1. main shaft backing plate, 2. adjustment pad, 3. armful clamp mechanism, 4. tested high-speed electric main shaft, 5. loading bar, 6. bearing holder (housing, cover); 7. axial radiator fan, 8. oil-in 9. axially loads support, 10. radiator fan radially, 11. high speed spring pipe shaft couplings, 12. safty shields; 13. electric dynamometer, 14. speed probes, 15. dynamometer machine pedestals, 16. radial loaded backing plates, 18. bottom supporting plates, No. 19.1 bolts; 20. do not have thread slider, 21. radial slider, No. 22.1 pressure transducers, 23. studs radially, 24. radial loaded piezoelectric ceramic actuators, 25. short pins; 26. the radial loaded mechanism shell, 27. have thread slider, 28. nuts, 29. retainer nuts, 30. radial position adjusting mechanisms, 31. springs; 32. the axial location adjusting mechanism, 33. axial sliders, 34. side backing plates, No. 35.2 pressure transducers, 36. axial studs, 37. oscillating arm mechanisms; 38. axially load piezoelectric ceramic actuator, 39. left side O-ring seals, 40. left end caps, 41. back-up rings, 42. left side bearings; 43. sleeve, 44. cone spacers, 45. right side bearings, 46. right end caps, 47. right side O-ring seals.
Embodiment
Below in conjunction with accompanying drawing the utility model is explained in detail:
Consult Fig. 1, the described high-speed electric main shaft dynamic loading device of the utility model comprises support section, loading section and automatic control system.
1. support section
Described support section comprises main shaft pedestal, radial loaded backing plate 16, axially loads support 9 and dynamometer machine pedestal 15.
Said main shaft pedestal comprises main shaft backing plate 1, adjustment pad 2 and embraces clamp mechanism 3.Main shaft backing plate 1 makes and is fixed by bolts on the Horizon iron, and vertical dovetail groove of tested high-speed electric main shaft 4 black iron along ground is axially adjusted, and can make tested high-speed electric main shaft 4 carry out height control through the physical dimension of adjusting main shaft backing plate 1.Radial loaded backing plate 16 is the plank frame spare of cuboid, and radial loaded backing plate 16 makes and is fixed by bolts on the Horizon iron, and the last workplace of radial loaded backing plate 16 is provided with T-slot, can make radial loaded mechanism carry out laterally (radially) adjustment.Make by the base of two axial loading supports 9 that mutually perpendicular flat board constituted and to be fixed by bolts on the Horizon iron; There is T-slot the side that axially loads support 9 another vertical installing plates, the axial load maintainer that is installed on it is carried out axially and the short transverse adjustment.Dynamometer machine pedestal 15 also is the plank frame spare for cuboid; Dynamometer machine pedestal 15 makes and is fixed by bolts on the Horizon iron; Make vertical plane of symmetry of vertical plane of symmetry and ground black iron of dynamometer machine pedestal 15 parallel, dynamometer machine pedestal 15 can be along ground vertical dovetail groove of black iron carry out (axially) adjustment.Through adjustment to each part of support section, change the main shaft backing plate 1 and adjustment pad 2 of different-thickness (highly) in case of necessity, can adapt to the tested high-speed electric main shaft 4 of different model, increased the versatility of high-speed electric main shaft dynamic loading device.
2. loading section
Described loading section comprises radial loaded mechanism, axially load maintainer, moment of torsion load maintainer and replacement handle of a knife are fixed in the loading bar 5 on the tested high-speed electric main shaft 4, on the loading bar 5 bearing unit are installed.
Consult Fig. 2, described radial loaded mechanism comprises bottom supporting plate 18,21, No. 1 pressure transducer 22 of radial slider, radially studs 23, radial loaded piezoelectric ceramic actuator 24, short pin 25, radial loaded mechanism shell 26 and radial position adjusting mechanism 30.
Radial loaded mechanism shell 26 is made up of left support post, right support post and shell entablature.The center of shell entablature is provided with one and is used to stretch out the driver through hole that radial loaded piezoelectric ceramic actuator (24) is gone up output terminal, and driver through hole upper left side is provided with a short pin 25.The right side of support post upper end, a left side is connected with the left side of right support post upper end and the left and right sides end face bolt of shell entablature.Left side support post is identical with right support post structure; The middle part of left side support post and right support post longitudinally is respectively arranged with strip through hole (left strip through hole and right strip through hole), and the lower end of left support post and right support post is evenly equipped with the bolt hole that is used to pass bolt.The lower end of radial loaded mechanism shell 26 is that the lower end of left support post and right support post and the top bolt of bottom supporting plate 18 connect into the rectangular frame that can be fixed on the sealing on the radial loaded backing plate 16.The top of the bolt hole that a left side support post and right support post lower end are uniformly distributed with is provided with the left side adjustment through hole and right adjustment through hole that is used to install radial position adjusting mechanism (30), the axis of rotation conllinear that through hole is adjusted on the left side adjustment through hole on the left support post and the right side on the right support post also and the axis of rotation of the driver through hole of shell entablature center intersect vertically.
The last output terminal that is in the radial loaded piezoelectric ceramic actuator 24 in the radial loaded mechanism shell 26 is vertically stretched out by the entablature in the radial loaded mechanism shell 26; The last output terminal of radial loaded piezoelectric ceramic actuator 24 be installed in radial loaded mechanism shell 26 in the semisphere circular groove contact of bearing holder (housing, cover) 6 bottoms (face) on the loading bar 5 of entablature top be connected; Tested high-speed electric main shaft 4 is loaded radial force; The following output terminal of radial loaded piezoelectric ceramic actuator 24 passes through the radially upper end of No. 1 pressure transducer 22 of studs 23 connections; The end face of the radial slider 21 of the lower end of No. 1 pressure transducer 22 and a V-type (big plane) contact is connected, and the bottom surface of the radial slider 21 of V-type is connected for two inclined-planes of the one-tenth V font of symmetry and radial position adjusting mechanism 30 on being installed in radial loaded mechanism shell 26 contact.
Described radial position adjusting mechanism 30 comprises (end has bolt head) No. 1 bolt 19, no thread slider 20, thread slider 27, nut 28, retainer nut 29 and spring 31 is arranged.In the left side adjustment through hole that No. 1 bolt 19 is installed in left support post and right support post lower end in the radial loaded mechanism shell 26 and the right adjustment through hole, the axis of rotation of the axis of rotation of No. 1 bolt 19 and radial loaded piezoelectric ceramic actuator 24 intersects vertically.No thread slider 20 and have thread slider 27 to be sleeved between left support post and the right support post of radial loaded mechanism shell 26 on No. 1 bolt 19; No thread slider 20 with have thread slider 27 suitable V-blocks to be divided into two parts from the centre; No thread slider 20 upper right side with have thread slider 27 upper left sides to be arranged to constitute the inclined-plane of V font groove; No thread slider 20 upper right side are connected with the inclined-plane that thread slider 27 upper left two formation V font grooves are arranged and two inclined-planes contacts of described radial slider 21 bottom faces symmetry, and the top end face contact of the bottom surface of no thread slider 20 and bottom surface that thread slider 27 is arranged and bottom supporting plate 18 is connected.Spring 31 is sleeved on no thread slider 20 and has on No. 1 bolt 19 between the thread slider 27.When being installed in No. 1 bolt 19 in the radial position adjusting mechanism 30 on the radial loaded system shell 26 when screwing; No thread slider 20 moves to the centre with there being thread slider 27 on the top end face of bottom supporting plate 18, to slide; The acting force of making progress for the radial slider 21 of top moves up radial slider 21; When unscrewing No. 1 bolt 19, to two side shiftings, radial slider 21 moves down owing to action of gravity no thread slider 20 because the acting force of spring 31 can slide on the top end face of bottom supporting plate 18 with thread slider 27 is arranged; Adjust no thread slider 20 and thread slider 27 is arranged through No. 1 bolt 19, adopt nut 28 to tighten fixing tightening again on No. 1 bolt 19 of the right support post of retainer nut 29 in stretching out radial loaded mechanism shell 26 to the centre or after the distance of two side shiftings is radial loaded; Can make radial loaded mechanism eliminate tolerance clearance through radial position adjusting mechanism 30, and carry out pretension.
Consult Fig. 3, described axial load maintainer comprise axial location adjusting mechanism 32, axial slider 33,34, No. 2 pressure transducers 35 of side backing plate, axially studs 36, oscillating arm mechanisms 37, axially load piezoelectric ceramic actuator 38 and axial load maintainer framework.
Described side backing plate 34 is rectangular slab class formation spares, and the Si Jiaochu of side backing plate 34 is processed with the round end chute, and the inboard of four round end chutes vertically is evenly equipped with the framework through hole of installation shaft to the load maintainer framework along side backing plate 34.
Described axial load maintainer framework is made up of entablature, sill, left column and right column, and entablature, sill, left column and right column fixedly mount into the rectangular framework of a sealing.The two ends up and down of right column are provided with a supporting leg (upper supporting leg and following supporting leg) respectively; Upper supporting leg is identical with following leg structure and vertical with the plane at axial load maintainer framework place, and upper supporting leg and following supporting leg (middle part) are provided with vertical being used to of axis of rotation of axis of rotation conllinear the last through hole and the lower through-hole of oscillating arm mechanisms 37 are installed.Axially the left end of load maintainer framework be the identical entablature of structure with the left end of sill be provided with the axis of rotation of axis of rotation conllinear vertical be used for the through hole (go up bolt hole and following bolt hole) of installation shaft to position adjusting mechanism 32.The center position of right column is provided with the axial loading through hole that axis of rotation is a level.
Described oscillating arm mechanisms 37 is made up of top link, following swing arm and swing arm vertical beam.Top link and the identical and L-shaped structural member of following swing arm structure, top link is long-armed by the top link of rectangular cross section to be formed with top link galianconism rectangular cross section.Following swing arm is made up of the bottom brachium arm of rectangular cross section and the following swing arm galianconism of rectangular cross section.The rectangular fixed connection of one end of the long-armed end of top link and top link galianconism, the rectangular fixed connection of an end of an end of bottom brachium arm and following swing arm galianconism.The long-armed vertical last long-armed through hole of axis of rotation that is processed with of top link is processed with the vertical following long-armed through hole of axis of rotation on the bottom brachium arm, go up the axis of rotation of long-armed through hole and the axis of rotation conllinear of following long-armed through hole.The right side of top link galianconism is fixedly connected with the left side of the swing arm vertical beam upper end of rectangular cross section; The right side of following swing arm galianconism is fixedly connected with the left side of the swing arm vertical beam lower end of rectangular cross section, and the swing arm vertical beam of rectangular cross section is vertical with following swing arm galianconism with the top link galianconism.Whole oscillating arm mechanisms 37 is seen rectangular L shaped from above, regard a font from the side as.Oscillating arm mechanisms 37 is sleeved on the right-hand member of axial load maintainer framework, and the swing arm vertical beam in the oscillating arm mechanisms 37 is arranged in the right side of axial load maintainer framework right column, and right column is parallel in the swing arm vertical beam in the oscillating arm mechanisms 37 and the axial load maintainer framework.
The axial slider 33 of described V-type is identical with the planform of radial slider 21; Only radial slider 21 is that horizontal positioned is that upwards place on big plane (end face); And axial slider 33 is that to be erected to place be that place to the right on big plane, and the left side of axial slider 33 is provided with two inclined-planes of laterally zygomorphic one-tenth V font.
Described axial location adjusting mechanism 32 comprise No. 2 bolts, on do not have thread slider, down thread slider, No. 2 nuts, No. 2 retainer nuts and No. 2 springs arranged.Axial location adjusting mechanism 32 is identical with radial position adjusting mechanism 30 structures; Promptly No. 2 bolts and No. 1 bolt 19, on do not have thread slider with no thread slider 20, down thread slider and have 27, No. 2 nuts of thread slider identical with spring 31 structures with No. 2 springs with retainer nut 29 with 28, No. 2 retainer nuts of nut arranged; Assembly relation in assembly relation in the axial location adjusting mechanism 32 between each part and the radial position adjusting mechanism 30 between each part is also identical; Only radial position adjusting mechanism 30 is that horizontal positioned is promptly made progress by no thread slider 20 top-right inclined-planes and the V-shaped groove that has thread slider 27 upper left inclined-planes to be constituted; And axial location adjusting mechanism 32 to be the left ends that are erected to be placed within the axial load maintainer framework be erected to be installed between identical entablature of structure and the sill left end in other words, by the bottom-right inclined-plane of last no thread slider and the V-shaped groove that has the top-right inclined-plane of thread slider to be constituted down to the right.
Axially the load maintainer framework adopts on the side backing plate 34 that is bolted to vertical placement (because side backing plate 34 is mounted on the side of the vertical installing plate that is provided with T-slot of axial loading support 9); Axially vertical plane of symmetry of load maintainer framework is the level of state, and promptly axially the upper supporting leg of load maintainer framework right-hand member is vertical with side backing plate 34 with following supporting leg.Oscillating arm mechanisms 37 becomes to be rotationally connected through the right-hand member that the thru-bolt axle sleeve is contained in axial load maintainer framework; More precisely; Become to be rotationally connected on oscillating arm mechanisms 37 is contained in axial load maintainer framework right-hand member through the thru-bolt axle sleeve upper supporting leg and the following supporting leg; The right output terminal that flatly places the axial loading piezoelectric ceramic actuator 38 in the axial load maintainer framework is stretched out by the loading through hole of the right column center position of axial load maintainer framework and withstands on the left side of swing arm vertical beam of oscillating arm mechanisms 37; The right flank contact of the boss on bearing holder (housing, cover) 6 top end faces in the oscillating arm mechanisms 37 on the left surface of the long-armed end of top link and the loading bar 5 is connected; Simultaneously, in the oscillating arm mechanisms 37 down the right flank of the long boss on bearing holder (housing, cover) 6 bottom faces on the left surface of the long-armed end of swing arm and the loading bar 5 contact and be connected.The left output terminal that axially loads piezoelectric ceramic actuator 38 connects the right-hand member of No. 2 pressure transducers 35 through axial studs 36; The left end of No. 2 pressure transducers 35 is connected with the right side contact of axial slider 33 in being erected to be placed on axial load maintainer framework, is contacted with the V-shaped groove that time has the top-right inclined-plane of thread slider to be constituted by the bottom-right inclined-plane of last no thread slider in two inclined-planes that axial slider 33 left ends become the V font and the axial location adjusting mechanism 32 to be connected.The no thread slider of going up in the axial location adjusting mechanism 32 is connected with the right side contact of left column in the axial load maintainer framework with the left side that thread slider is arranged down.As previously mentioned; Axial location adjusting mechanism 32 is identical with radial position adjusting mechanism 30 structures, but because mounting means is different, the acting force that axial slider 33 is applied is axial; Can make axial load maintainer eliminate tolerance clearance through axial location adjusting mechanism 32, and carry out pretension.
Described moment of torsion load maintainer comprises electric dynamometer 13, high speed spring pipe shaft coupling 11, safty shield 12, inverter.Mounting torque sensor on the electric dynamometer (because of the torque sensor that in the interior view of electric dynamometer, do not draw) and speed probe 14 are used for detecting in real time the torque value and the speed of mainshaft that loads.
Electric dynamometer 13 is installed on the dynamometer machine pedestal 15; Dynamometer machine pedestal 15 is installed on the ground black iron; The output terminal of electric dynamometer 13 is connected with the right-hand member of the loading bar that is set with bearing unit 5 through high speed spring pipe shaft coupling 11; The left end of loading bar 5 is fixedly connected with the right-hand member of tested high-speed electric main shaft 4; The axis of rotation of the axis of rotation of the axis of rotation of electric dynamometer 13 output shafts, high speed spring pipe shaft coupling 11, the axis of rotation of loading bar 5 and tested high-speed electric main shaft 4 coexists on the horizontal line; Axially the axis of rotation of spindle through-hole is parallel on the output shaft of load maintainer and electric dynamometer 13, high speed spring pipe shaft coupling 11, loading bar 5 and armful clamp mechanism 3, and electric dynamometer 13 is connected with electrical network through inverter, and inverter can feed back to electrical network with the electric energy that electric dynamometer 13 produces.
Consult Fig. 4; Described bearing unit comprises sleeve 43, cone spacer 44, right side bearing 45, right end cap 46 and the right side O-ring seal 47 that is provided with in the middle of bearing holder (housing, cover) 6, left side O-ring seal 39, left end cap 40, back-up ring 41, left side bearing 42, the two bearings; Wherein: left side bearing 42 is identical with right side bearing 45 structures, and left side O-ring seal 39 is identical with right side O-ring seal 47 structures.Right side bearing 45, cone spacer 44, sleeve 43, left side bearing 42 and back-up ring 41 are packed in the center pit of bearing holder (housing, cover) 6 successively; The left side of left side bearing 42 inner rings contacts with the shaft shoulder on the loading bar 5 and is connected; The left side contact of bearing 42 inner ring right sides, left side and sleeve 43 is connected; The right side of sleeve 43 is connected with the contact of right side bearing 45 inner ring left sides; The dome ring body contact on the left side of bearing 42 outer rings, left side and back-up ring 41 right sides is connected, and the torus contact of the right side of right side bearing 45 outer rings and bearing holder (housing, cover) 6 center pit right-hand members is connected.The right end cap 46 of right side O-ring seal 47 and the right side of bearing holder (housing, cover) 6 are installed are fixedly connected, the left end cap 40 of left side O-ring seal 39 and the left side of bearing holder (housing, cover) 6 are installed are fixedly connected.
Loading bar 5 right-hand members are set to the ladder axis structure, and described left side bearing 42 is the angular contact ceramic ball bearing with right side bearing 45, and the heat of friction that when tested high-speed electric main shaft 4 runs up, produces is less, and reliability is higher.The shaft shoulder that passes on left on the loading bar 5 of bearing unit is located, and the right side of bearing unit compresses the location through the oscillating arm mechanisms on the axial load maintainer 37.Sleeve 43 outer cone spacers 44 play uniform distribution lubricating oil, right end cap 46, right side O-ring seal 47 and left end cap 40,39 sealings of left side O-ring seal and dustproof effect.
The center of bearing holder (housing, cover) 6 is provided with the bearing cross hole from left to right that left side bearing 42, right side bearing 45, sleeve 43 and cone spacer 44 are installed; The right-hand member of bearing cross hole is provided with the torus that plays the role of positioning; The place, aperture of bearing cross hole left end is provided with the annular groove that back-up ring 41 is installed; The left side of bearing holder (housing, cover) 6 and the Si Jiaochu of right side are provided with tapped blind hole, and the centre position in bearing holder (housing, cover) 6 end faces left side is provided with a rectangular boss that is processed with oil supply hole 8.The right side of bearing holder (housing, cover) 6 bottom surfaces is provided with a rectangular through slot that is used for placing 37 times swing arms of oscillating arm mechanisms; The left side of bearing holder (housing, cover) 6 bottom surfaces is provided with a semisphere circular groove that plays the loading effect; From left to right the axis of rotation of bearing cross hole intersects vertically on the axis of rotation of semisphere circular groove and the bearing holder (housing, cover) 6; In other words, the axis of rotation of semisphere circular groove and intersect vertically and be in the vertical plane through pack into the axis of rotation of the loading bar 5 in the bearing cross hole of left side bearing 42 and right side bearing 45.The last output terminal contact of being stretched out by shell entablature in the radial loaded mechanism shell 26 of semisphere circular groove during work on bearing holder (housing, cover) 6 bottom surfaces and radial loaded piezoelectric ceramic actuator 24 is connected, and realizes that radial loaded mechanism loads radial force to loading bar 5.A round end chute parallel with the axis of rotation of bearing cross hole is set on the bottom surface in bearing holder (housing, cover) 6 semisphere circular groove the place aheads, and the width of round end chute is identical with short pin 25 diameters of shell entablature in the radial loaded mechanism.That is to say; Short pin 25 on radial loaded mechanism shell 26 (being shell entablature in the radial loaded mechanism shell 26) end face cooperates with the described round end chute that plays the loading effect; Bearing holder (housing, cover) 6 can relatively move at axial direction, but restricting bearing 6 is rotated around the axis of rotation of its bearing cross hole.(be in the radial loaded mechanism shell 26 shell entablature) end face that is installed in bottom surface and the radial loaded mechanism shell 26 of the bearing holder (housing, cover) 6 on the loading bar 5 does not contact; As previously mentioned, the short pin 25 and the described round end chute matched together that plays the role of positioning on radial loaded mechanism shell 26 (being shell entablature in the radial loaded mechanism shell 26) end face.
When carrying out the radial force loading according to concrete need of work, adjustment radial position adjusting mechanism 30 makes on the radial loaded piezoelectric ceramic actuator 24 and moves, and carries out pretension, sends electric signal to radially loading piezoelectric ceramic actuator 24, and loading bar 5 is carried out radially dynamic load.When carrying out the axial force loading, adjustment axial location adjusting mechanism 32 moves to right axial loading piezoelectric ceramic actuator 38, promotes oscillating arm mechanisms 37 and carries out pretension, and axial loading piezoelectric ceramic actuator 38 is sent electric signal, and loading bar 5 is axially loaded.When carrying out the moment of torsion loading, to electric dynamometer 13 transmitting control commands, can load through automatic control system.When radial and axial loading, can carry out manual adjustments significantly to loading force through controlling the size that radial and axial position adjusting mechanism applies pretightning force; The loading of radial force, axial force and moment of torsion can be carried out simultaneously, also can carry out respectively.
Axial load maintainer and radial loaded mechanism are provided with cooling device described in the utility model; Radial loaded piezoelectric ceramic actuator 24 overlaps with heat radiation with the axial piezoelectric ceramic actuator 38 outer heat radiator that are provided with that load; In addition, radial loaded piezoelectric ceramic actuator 24 all is provided with axial radiator fan 7, radially radiator fan 10 and ventilating opening with axially loading on the piezoelectric ceramic actuator 38 pairing shells.
The utility model is that described left side bearing 42 is provided with oil gas lubricating system with right side bearing 45; Oil gas lubricating system comprises lubricating system support and oil gas generator; Two oil gas nozzles are set through the corresponding respectively left side of oil-in 8 bearings 42 and right side bearings 45, oil gas generator is by the control of giving an order of said automatic control system.
3. automatic control system
Consulting Fig. 5, is the schematic diagram of automatic control system in the described high-speed electric main shaft dynamic loading device of the utility model among the figure.The rotating speed of radial force, axial force, moment of torsion and the tested high-speed electric main shaft 4 of 22, No. 2 pressure transducers 35 of No. 1 pressure transducer, torque sensor, 14 pairs of loadings of speed probe detects in real time; Detection signal transfers to upper industrial computer through amplification, mould/number conversion; Show that in the control interface control interface uses VB to write.Upper industrial computer exports control command tested high-speed electric main shaft 4, electric dynamometer 13, radial loaded piezoelectric ceramic actuator 24 to and axially loads piezoelectric ceramic actuator 38, and the high-speed electric main shaft dynamic loading device is controlled in real time.
Described high-speed electric main shaft dynamic loading device in use, through the control of automatic control system, tested high-speed electric main shaft 4 can realize starting, stops, at a high speed, function such as low speed and permanent power, permanent moment of torsion rotation.Tested high-speed electric main shaft 4 is carried out radial force and axial force when loading, but the size of real time altering loading force and frequency, the loading that also can carry out according to the curve that configures, waveform.When tested high-speed electric main shaft 4 is carried out the moment of torsion loading, can realize two kinds of load modes of permanent power and permanent moment of torsion, electric dynamometer 13 is saved the energy with the electric energy feedback grid that produces.
The curve of the exportable radial loaded power in control interface in the described high-speed electric main shaft dynamic loading device of the utility model, axial loading force and loading moment of torsion, the dynamic property curve under the also exportable tested high-speed electric main shaft 4 various simulated conditions.When numerical value overruns such as loading force, loading moment of torsion, the speed of mainshaft, control system is reported to the police and is also taked corresponding safety practice.
Embodiment in the described high-speed electric main shaft dynamic loading device of the utility model can understand and use the utility model for the ease of these those skilled in the art, if relevant technician is making under the situation of adhering to the utility model basic technical scheme that the equivalent structure that need not pass through creative work changes or various modification in the protection domain at the utility model.
Claims (9)
1. a high-speed electric main shaft dynamic loading device is characterized in that, described high-speed electric main shaft dynamic loading device comprises support section and loading section;
Described support section comprises the main shaft pedestal, axially loads support (9), radial loaded backing plate (16) and dynamometer machine pedestal (15), and wherein: the main shaft pedestal comprises main shaft backing plate (1), adjustment pad (2) and embraces clamp mechanism (3);
Described loading section comprises radial loaded mechanism, axial load maintainer, moment of torsion load maintainer, loading bar (5) and bearing unit, and wherein: the moment of torsion load maintainer comprises electric dynamometer (13), high speed spring pipe shaft coupling (11) and inverter;
Adjustment pad (2) is stacked in main shaft backing plate (1) successively with an armful clamp mechanism (3) and goes up and adopt bolt to be connected; Electric dynamometer (13) is fixed on the dynamometer machine pedestal (15); The output terminal of electric dynamometer (13) is connected with loading bar (5) right-hand member through high speed spring pipe shaft coupling (11); Loading bar (5) left end be installed in the right-hand member of embracing the tested high-speed electric main shaft (4) in the clamp mechanism (3) and be connected; The axis of rotation of electric dynamometer (13) output shaft, high speed spring pipe shaft coupling (11), loading bar (5) and armful clamp mechanism (3) spindle through-hole is in together on the horizontal line; Bearing unit is sleeved on the loading bar (5), be installed in radial loaded mechanism on the radial loaded backing plate (16) be in bearing unit under for contact connects, axially an end of load maintainer is installed on the axial loading support (9); Contact is connected the other end with bearing unit, and electric dynamometer (13) is connected with the inverter electric wire.
2. according to the described high-speed electric main shaft dynamic loading device of claim 1; It is characterized in that described radial loaded mechanism comprises bottom supporting plate (18), radial slider (21), No. 1 pressure transducer (22), radially studs (23), radial loaded piezoelectric ceramic actuator (24), short pin (25), radial loaded mechanism shell (26) and radial position adjusting mechanism (30);
The last output terminal that is in the radial loaded piezoelectric ceramic actuator (24) in the radial loaded mechanism shell (26) is vertically stretched out by the shell entablature in the radial loaded mechanism shell (26); The following output terminal of radial loaded piezoelectric ceramic actuator (24) passes through the radially upper end of studs (23) No. 1 pressure transducer of connection (22); The end face contact of the lower end of No. 1 pressure transducer (22) and radial slider (21) is connected; Radial slider (21) bottom surface is connected with radial position adjusting mechanism (30) contact on being installed in radial loaded mechanism shell (26), and the lower end of radial loaded mechanism shell (26) is connected with the top bolt of bottom supporting plate (18).
3. according to the described high-speed electric main shaft dynamic loading device of claim 2, it is characterized in that described radial loaded mechanism shell (26) is made up of left support post, right support post and shell entablature;
The center of shell entablature is provided with one and is used to stretch out the driver through hole that radial loaded piezoelectric ceramic actuator (24) is gone up output terminal; Driver through hole upper left side is provided with a short pin (25); Support post upper end, a left side is connected with the left and right sides end face bolt of shell entablature with right support post upper end; Left side support post is identical with right support post structure; The middle part of left side support post and right support post longitudinally is respectively arranged with the strip through hole; The lower end of a left side support post and right support post is evenly equipped with bolt hole, and the top of bolt hole is provided with the left side adjustment through hole and right adjustment through hole that is used to install radial position adjusting mechanism (30), the axis of rotation conllinear of left side adjustment through hole and right adjustment through hole also and the axis of rotation of the driver through hole of shell entablature center intersect vertically.
4. according to the described high-speed electric main shaft dynamic loading device of claim 2; It is characterized in that described radial position adjusting mechanism (30) comprises No. 1 bolt (19), no thread slider (20), thread slider (27) is arranged, nut (28), retainer nut (29) and spring (31);
In the left side adjustment through hole that No. 1 bolt (19) is installed in left support post and right support post lower end in the radial loaded mechanism shell (26) and the right adjustment through hole; No thread slider (20) and have thread slider (27) to be sleeved between left support post and the right support post of radial loaded mechanism shell (26) on No. 1 bolt (19); The top end face contact of the bottom supporting plate (18) in the bottom surface of no thread slider (20) and the bottom surface that thread slider (27) is arranged and the radial loaded mechanism is connected; Spring (31) is sleeved on no thread slider (20) and has on No. 1 bolt (19) between the thread slider (27), and nut (28) is tightened successively with retainer nut (29) and is fixed on No. 1 bolt (19) that stretches out right support post.
5. according to the described high-speed electric main shaft dynamic loading device of claim 1; It is characterized in that, described axial load maintainer comprise axial location adjusting mechanism (32), axial slider (33), side backing plate (34), No. 2 pressure transducers (35), axially studs (36), oscillating arm mechanisms (37), axially load piezoelectric ceramic actuator (38) and axial load maintainer framework;
Axially the load maintainer framework adopts and is bolted on the side backing plate (34) of vertical placement; Axially vertical plane of symmetry of load maintainer framework is horizontal level; Axial location adjusting mechanism (32) is installed in the left end within the axial load maintainer framework; Axial location adjusting mechanism (32) is connected with axial slider (33) contact on right side; The right side of axial slider (33) is connected with the left end contact of No. 2 pressure transducers (35); To the left output terminal that loads piezoelectric ceramic actuator (38), the right output terminal that axially loads piezoelectric ceramic actuator (38) is stretched out by the loading through hole of the right column center position in the axial load maintainer framework and contacts and be connected with the left side of swing arm vertical beam in the oscillating arm mechanisms (37) that the right-hand member that is sleeved on axial load maintainer framework becomes to be rotationally connected the right-hand member of No. 2 pressure transducers (35) through axial studs (36) coupling shaft.
6. according to the described high-speed electric main shaft dynamic loading device of claim 5, it is characterized in that described axial load maintainer framework is made up of entablature, sill, left column and right column;
Entablature, sill, left column and right column fixedly mount into the rectangular framework of a sealing; The upper end of right column is provided with a upper supporting leg; The lower end of right column is provided with a following supporting leg; Upper supporting leg is vertical with the plane at axial load maintainer framework place with following supporting leg; Upper supporting leg is provided with axis of rotation conllinear and vertical last through hole and lower through-hole with following supporting leg, and axially the left end of load maintainer framework is provided with axis of rotation conllinear and vertical last bolt hole and the following bolt hole of installation shaft to position adjusting mechanism (32) that be used for, and the center position of right column is provided with the axial loading through hole that axis of rotation is a level.
7. according to the described high-speed electric main shaft dynamic loading device of claim 5, it is characterized in that described oscillating arm mechanisms (37) is made up of top link, following swing arm and swing arm vertical beam;
Top link and the identical and L-shaped structural member of following swing arm structure; Top link is long-armed by the top link of rectangular cross section to be formed with top link galianconism rectangular cross section; Following swing arm is made up of the bottom brachium arm of rectangular cross section and the following swing arm galianconism of rectangular cross section; The rectangular fixed connection of one end of the long-armed end of top link and top link galianconism; The rectangular fixed connection of one end of one end of bottom brachium arm and following swing arm galianconism, the long-armed vertical last long-armed through hole of axis of rotation that is processed with of top link is processed with the vertical following long-armed through hole of axis of rotation on the bottom brachium arm; Go up the axis of rotation of long-armed through hole and the axis of rotation conllinear of following long-armed through hole; The right side of top link galianconism is fixedly connected with the left side of the swing arm vertical beam upper end of rectangular cross section, and the right side of following swing arm galianconism is fixedly connected with the left side of the swing arm vertical beam lower end of rectangular cross section, and the swing arm vertical beam of rectangular cross section is vertical with following swing arm galianconism with the top link galianconism.
8. according to the described high-speed electric main shaft dynamic loading device of claim 1; It is characterized in that; Described bearing unit comprises bearing holder (housing, cover) (6), left side O-ring seal (39), left end cap (40), back-up ring (41), left side bearing (42), sleeve (43), cone spacer (44), right side bearing (45), right end cap (46) and right side O-ring seal (47); Wherein: left side bearing (42) is identical with right side bearing (45) structure, and left side O-ring seal (39) is identical with right side O-ring seal (47) structure;
Right side bearing (45), cone spacer (44), sleeve (43), left side bearing (42) and back-up ring (41) are packed in the center pit of bearing holder (housing, cover) (6) successively; The left side contact of bearing (42) inner ring right side, left side and sleeve (43) is connected; The right side of sleeve (43) is connected with the contact of right side bearing (45) inner ring left side; The dome ring body contact on the left side of bearing (42) outer ring, left side and back-up ring (41) right side is connected; The right-hand member torus contact of the right side of right side bearing (45) outer ring and bearing holder (housing, cover) (6) center pit is connected; Cone spacer (44) is sleeved on the sleeve (43) between left side bearing (42) and the right side bearing (45), the right end cap (46) of right side O-ring seal (47) and the right side of bearing holder (housing, cover) (6) is installed is fixedly connected, and the left end cap (40) of left side O-ring seal (39) and the left side of bearing holder (housing, cover) (6) is installed is fixedly connected.
9. according to the described high-speed electric main shaft dynamic loading device of claim 8; It is characterized in that; The center of described bearing holder (housing, cover) (6) is provided with the bearing cross hole that left side bearing (42), right side bearing (45), sleeve (43) and cone spacer (44) are installed; The right-hand member of bearing cross hole is provided with the torus that plays the role of positioning; The place, aperture of bearing cross hole left end is provided with the annular groove that back-up ring (41) is installed; The left side of bearing holder (housing, cover) (6) and the Si Jiaochu of right side are provided with tapped blind hole, and the centre position in bearing holder (housing, cover) (6) end face left side is provided with a rectangular boss that is processed with oil supply hole (8), and the right side of bearing holder (housing, cover) (6) bottom surface is provided with a rectangular through slot that is used for placing swing arm under the oscillating arm mechanisms (37); The left side of bearing holder (housing, cover) (6) bottom surface is provided with a semisphere circular groove that plays the loading effect; The axis of rotation of the bearing cross hole on the axis of rotation of semisphere circular groove and the bearing holder (housing, cover) (6) intersects vertically, and a round end chute parallel with the axis of rotation of bearing cross hole is set on the bottom surface in bearing holder (housing, cover) (6) semisphere circular groove the place ahead, and the width of round end chute is identical with short pin (25) diameter of shell entablature in the radial loaded mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202866250U CN202188954U (en) | 2011-08-09 | 2011-08-09 | High-speed electric spindle dynamic loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202866250U CN202188954U (en) | 2011-08-09 | 2011-08-09 | High-speed electric spindle dynamic loading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202188954U true CN202188954U (en) | 2012-04-11 |
Family
ID=45920396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202866250U Withdrawn - After Issue CN202188954U (en) | 2011-08-09 | 2011-08-09 | High-speed electric spindle dynamic loading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202188954U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102426097A (en) * | 2011-08-09 | 2012-04-25 | 吉林大学 | Dynamic loading device for high-speed motorized spindle |
| CN102798527A (en) * | 2012-07-27 | 2012-11-28 | 河南科技大学 | Tester for detecting performance of oil-retaining bearing and radial loading mechanism thereof |
| CN103743567A (en) * | 2014-01-16 | 2014-04-23 | 北京工业大学 | Reliability test device for grinding wheel main shaft of numerical control grinding machine |
| CN106441886A (en) * | 2016-12-08 | 2017-02-22 | 吉林大学 | Cutting force automatic control main shaft reliability test device and test method |
| CN107246958A (en) * | 2017-07-03 | 2017-10-13 | 上海隧道工程有限公司 | The performance testing equipment and its test method of shield machine centre revolving joint |
| WO2020232609A1 (en) * | 2019-05-20 | 2020-11-26 | 西门子股份公司 | System and method for training or testing state monitoring module |
| CN113188415A (en) * | 2021-04-20 | 2021-07-30 | 中国直升机设计研究所 | Self-lubricating joint bearing clearance test device and method for helicopter |
| CN113465918A (en) * | 2021-06-24 | 2021-10-01 | 重庆大学 | High-speed electric main shaft test bench |
| CN114720099A (en) * | 2021-12-02 | 2022-07-08 | 中国农业大学 | Full-working-condition single-rod loaded electric spindle reliability test device |
-
2011
- 2011-08-09 CN CN2011202866250U patent/CN202188954U/en not_active Withdrawn - After Issue
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102426097A (en) * | 2011-08-09 | 2012-04-25 | 吉林大学 | Dynamic loading device for high-speed motorized spindle |
| CN102426097B (en) * | 2011-08-09 | 2013-10-30 | 吉林大学 | Dynamic loading device for high-speed motorized spindle |
| CN102798527A (en) * | 2012-07-27 | 2012-11-28 | 河南科技大学 | Tester for detecting performance of oil-retaining bearing and radial loading mechanism thereof |
| CN102798527B (en) * | 2012-07-27 | 2015-04-08 | 河南科技大学 | Tester for detecting performance of oil-retaining bearing and radial loading mechanism thereof |
| CN103743567A (en) * | 2014-01-16 | 2014-04-23 | 北京工业大学 | Reliability test device for grinding wheel main shaft of numerical control grinding machine |
| CN106441886A (en) * | 2016-12-08 | 2017-02-22 | 吉林大学 | Cutting force automatic control main shaft reliability test device and test method |
| CN107246958A (en) * | 2017-07-03 | 2017-10-13 | 上海隧道工程有限公司 | The performance testing equipment and its test method of shield machine centre revolving joint |
| WO2020232609A1 (en) * | 2019-05-20 | 2020-11-26 | 西门子股份公司 | System and method for training or testing state monitoring module |
| CN113188415A (en) * | 2021-04-20 | 2021-07-30 | 中国直升机设计研究所 | Self-lubricating joint bearing clearance test device and method for helicopter |
| CN113465918A (en) * | 2021-06-24 | 2021-10-01 | 重庆大学 | High-speed electric main shaft test bench |
| CN114720099A (en) * | 2021-12-02 | 2022-07-08 | 中国农业大学 | Full-working-condition single-rod loaded electric spindle reliability test device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102426097B (en) | Dynamic loading device for high-speed motorized spindle | |
| CN202188954U (en) | High-speed electric spindle dynamic loading device | |
| CN102889983B (en) | Machine tool spindle reliability test bed based on mixed loading of electro-hydraulic servo and dynamometer | |
| CN107314893B (en) | Modularized multifunctional rotor experiment table | |
| CN202869792U (en) | Electro-hydraulic servo and dynamometer mixed loading-based testing stand for reliability of machine tool main shaft | |
| CN104833506A (en) | Machine tool electrical spindle reliability testing stand centering adjusting device | |
| CN206818416U (en) | A kind of rolling bearing fault simulated experiment platform for being easy to add load | |
| CN105547685B (en) | High-speed electric main shaft loads and tool changing experimental rig | |
| CN106017959B (en) | Lead screw guide rails reliability test bench based on electro-hydraulic loading | |
| CN105067234A (en) | High speed electric main shaft comprehensive experiment platform and experiment method | |
| CN104914042A (en) | Fretting wear testing machine in high temperature and high pressure water or steam environment | |
| CN105784367A (en) | Rail vehicle axle box bearing comprehensive performance and shaft end grounding device wear test bench | |
| CN102607824A (en) | Testing system of cutting force and torque loading reliability of numerical control turret power knife rest | |
| CN102692264A (en) | Test bench and test method for mass, position of center of mass and rotational inertia | |
| CN202735085U (en) | Main shaft performance testing platform | |
| CN204422209U (en) | Thrust hydrodynamic journal liquid polymers reliability test bench | |
| CN104458303B (en) | Heavy numerical control vertical lathe reliability test system | |
| CN203894048U (en) | Contact mixed-loading reliability testing stand of electric main shaft | |
| CN111220375A (en) | Multifunctional rotor test bed with flexible excitation | |
| CN110542550B (en) | Electric spindle reliability loading test bed with load completely decoupled | |
| CN104180977A (en) | Multifunctional linear electromechanical actuator performance test bench | |
| CN112881047A (en) | Five-axis swing head test platform | |
| CN111215648B (en) | Electric spindle reliability rapid experiment loading method and loading system | |
| CN111158262A (en) | Double-station load simulation tool device for steering engine | |
| CN101852590B (en) | Tubular column type instrument board framework visual detection positioning device of automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120411 Effective date of abandoning: 20131030 |
|
| RGAV | Abandon patent right to avoid regrant |