CN105571858A - Axial loading device for harmonic wave decelerator vibration detection table - Google Patents
Axial loading device for harmonic wave decelerator vibration detection table Download PDFInfo
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- CN105571858A CN105571858A CN201610116836.7A CN201610116836A CN105571858A CN 105571858 A CN105571858 A CN 105571858A CN 201610116836 A CN201610116836 A CN 201610116836A CN 105571858 A CN105571858 A CN 105571858A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/027—Test-benches with force-applying means, e.g. loading of drive shafts along several directions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/028—Acoustic or vibration analysis
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- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses an axial loading device for a harmonic wave decelerator vibration detection table. The axial loading device comprises a driving device, a frame and a loading device, wherein the driving device is arranged at the tail portion of the frame, the loading device is arranged in the frame, the driving device comprises a driving motor, a speed reducer and a speed reducer fastening screw, the loading device comprises a leading screw, a back seat push bearing, a locking nut, a push sleeve, a pressure spring foundation, a foundation fastening screw, a positioning nut, a stop pin, a pressure spring, a spring guide shaft, an inner sliding shaft, a pressure sensor, a top tip sleeve, a guide screw, a top tip push bearing, a top tip ball bearing and a top tip. The axial loading device realizes a flexible loading mode, avoids impact loading for an output shaft of the harmonic wave decelerator, can effectively avoid secondary damage to harmonic wave deceleration caused by tests, reduces damage to test objects, improves authenticity of test results and further realizes properties of high efficiency, convenient operation, stable mechanical property and reliable work.
Description
Technical field
The present invention relates to a kind of harmonic speed reducer vibration detection platform axial loading device, be particularly useful for carrying out loading quantitative load in axial location, particularly one can carry out axial location and carry out axis loading quantitative power for harmonic speed reducer vibration testing equipment automatically, belongs to mechanical detection field.
Background technology
Harmonic speed reducer, as the key foundation parts of industrial robot, has become the bottleneck of domestic industry of industrial robots at present to the research and development of its technology.Accurate flexible thin-wall bearing and flexbile gear are the core components of harmonic speed reducer, vital effect is played to the overall performance of harmonic speed reducer, accurate flexible thin-wall bearing in working order under, not only bear squeeze with the elliptical shaft of thin-wall bearing inner ring precision-fit swollen under elastic deformation, but also the alterante stress that will bear because self running produces, and when operating mode is undesirable, also to bear from the different static load in the external world or dynamic load power.The inwall of flexbile gear and the flexible thin-wall bearing of precision contact with each other, equally also bear squeeze with thin-wall bearing outer ring precision-fit swollen under elastic deformation and input shaft rotary action lower produce alterante stress, therefore the stability to this accurate harmonic speed reducer, rotating accuracy and life-span is needed to test, could invested in plantization produce after requirement to be achieved, and then solve the bottleneck problem of China's industry of industrial robots, realize industrialization and the widespread use of China's industrial robot.The present invention be to accurate harmonic speed reducer bear the test of performance under different outside Dynamic And Static Loads operating mode.
Summary of the invention
For above-mentioned technical matters, the invention provides the harmonic speed reducer vibration detection platform axial loading device of a kind of efficient, simple operation, stable mechanical performance, reliable operation.
Technical scheme of the present invention is as follows:
A kind of harmonic speed reducer vibration detection platform axial loading device, comprise drive unit, frame and charger, described drive unit is located at the afterbody of frame, and charger is located at machine frame inside,
Described frame comprises sleeve base, counter flange, tailstock end cap and back seat trip bolt, counter flange is located at the afterbody of sleeve base, tailstock end cap is located in the middle of sleeve base and counter flange, and counter flange is fixed on sleeve base through tailstock end cap by back seat trip bolt together with tailstock end cap;
Described drive unit comprises drive motor, reductor and reductor trip bolt, and described reductor is fastened on counter flange side by reductor trip bolt, and described drive motor drives with reductor input end and is connected, for whole device provides loading power;
Described charger comprises leading screw, back seat thrust bearing, set nut, pushing sleeve, stage clip base, base trip bolt, setscrew nut, spline pin, stage clip, the spring axis of guide, interior slide-bar, pressure sensing, center sleeve, guider screw, top thrust bearing, top ball bearing and top, described leading screw one end is connected by key with output end of reducer, the other end is connected with pushing sleeve by screw thread, pushing sleeve is arranged in sleeve base inner chamber and is clearance fit with sleeve base, through tailstock end cap in the middle of leading screw, back seat thrust bearing is located at the both sides of tailstock end cap, be locked by set nut, stage clip base is located at the left end of pushing sleeve, be fastened on pushing sleeve by base trip bolt, spring axis of guide one end is passed the endoporus of stage clip base and is clearance fit, the other end of the spring axis of guide is provided with thread head, be connected with interior slide-bar one end with internal thread hole, setscrew nut is located at one end of the spring axis of guide, and position spline by spline pin, compression spring sleeve is on the spring axis of guide, and be located between interior slide-bar and stage clip base, the interior slide-bar other end lays pressure sensing, center sleeve is located at pressure sensing front side, and carry out guide-localization by guider screw, guider screw is fixed on the front end face of interior slide-bar through center sleeve, top thrust bearing and top ball bearing are located in the embedded hole of center sleeve, the endoporus of top thrust bearing and top ball bearing is interference fit, the top shaft shoulder is as axial location benchmark, the outer ring of top ball bearing and center sleeve interference fit.
Further, the top position of described sleeve base is provided with the banking pin stretching into sleeve base inner chamber, is provided with and cooperatively interacts with banking pin, for leading and preventing the chute of interior slide-bar axial rotation above described interior slide-bar.
Further, the top position of described sleeve base is provided with the banking pin stretching into sleeve base inner chamber, is provided with and cooperatively interacts with banking pin, for leading and limiting the chute of pushing sleeve moving range above described pushing sleeve.
Compared to existing technology, the present invention is a kind of flexible load mode, avoid the Impulsive load to harmonic speed reducer output shaft, can effectively avoid because test is to the secondary damage brought of harmonic reduction, reduce the infringement to tested object, increase the authenticity of test result, efficient, simple operation, stable mechanical performance, reliable operation.
Accompanying drawing explanation
Fig. 1 is the schematic side view of the embodiment of the present invention.
Fig. 2 is the cross-sectional schematic in A-A direction in Fig. 1.
Fig. 3 is the axle side structure schematic diagram of the embodiment of the present invention.
Shown in figure: 1 is pressure transducer, 2 is center sleeve, 3 is guider screw, 4 is top thrust bearing, 5 is top, 6 is top ball bearing, 7 is interior slide-bar, 8 is sleeve base, 9 is the spring axis of guide, 10 is base trip bolt, 11 is setscrew nut, 12 is banking pin, 13 is pushing sleeve, 14 is back seat trip bolt, 15 is set nut, 16 is reductor trip bolt, 17 is counter flange, 18 is reductor, 19 is tailstock end cap, 20 is back seat thrust bearing, 21 is leading screw, ship and resell on another market till 22, 23 is stage clip base, 24 is stage clip, 25 is drive motor.
Embodiment
Be described in further detail object of the present invention below by specific embodiment, embodiment can not repeat one by one at this, but therefore embodiments of the present invention are not defined in following examples.
Embodiment
As shown in Figure 1 to Figure 3, a kind of harmonic speed reducer vibration detection platform axial loading device, comprise drive unit, frame and charger, described drive unit is located at the afterbody of frame, and charger is located at machine frame inside,
Described frame comprises sleeve base 8, counter flange 17, tailstock end cap 19 and back seat trip bolt 14, counter flange 17 is located at the afterbody of sleeve base 8, it is middle with counter flange 17 that tailstock end cap 19 is located at sleeve base 8, and counter flange 17 is fixed on sleeve base 8 through tailstock end cap 19 by back seat trip bolt 14 together with tailstock end cap 19;
Described drive unit comprises drive motor 25, reductor 18 and reductor trip bolt 16, described reductor 18 is fastened on counter flange 17 side by reductor trip bolt 16, described drive motor 25 drives with reductor 18 input end and is connected, for whole device provides loading power;
Described charger comprises leading screw 21, back seat thrust bearing 20, set nut 15, pushing sleeve 13, stage clip base 23, base trip bolt 10, setscrew nut 11, spline pin 22, stage clip 24, the spring axis of guide 9, interior slide-bar 7, pressure sensing 1, center sleeve 2, guider screw 3, top thrust bearing 4, top ball bearing 6 and top 5, described leading screw 21 one end is connected by key with reductor 18 output terminal, the other end is connected with pushing sleeve 13 by screw thread, pushing sleeve 13 is arranged in sleeve base 8 inner chamber and is clearance fit with sleeve base 8, through tailstock end cap 19 in the middle of leading screw 21, back seat thrust bearing 20 is located at the both sides of tailstock end cap 19, be locked by set nut 15, stage clip base 23 is located at the left end of pushing sleeve 13, be fastened on pushing sleeve 13 by base trip bolt 10, the spring axis of guide 9 one end is passed the endoporus of stage clip base 23 and is clearance fit, the other end of the spring axis of guide 9 is provided with thread head, be connected with interior slide-bar 7 one end with internal thread hole, setscrew nut 11 is located at one end of the spring axis of guide 9, and position spline by spline pin 22, stage clip 24 is enclosed within the spring axis of guide 9, and be located between interior slide-bar 7 and stage clip base 23, interior slide-bar 7 other end lays pressure sensing 1, center sleeve 2 is located at the front side of pressure sensing 1, and carry out guide-localization by guider screw 3, guider screw 3 is fixed on the front end face of interior slide-bar 7 through center sleeve 2, top thrust bearing 4 and top ball bearing 6 are located in the embedded hole of center sleeve 2, the endoporus of top thrust bearing 4 and top ball bearing 6 is interference fit, the shaft shoulder of top 5 is as axial location benchmark, the outer ring of top ball bearing 6 and center sleeve 2 interference fit.
The top position of described sleeve base 8 is provided with the banking pin 12 that two are stretched into sleeve base 8 inner chamber, be provided with above described interior slide-bar 7 and cooperatively interact with one of them banking pin 12, for leading and preventing the chute of interior slide-bar 7 axial rotation, be provided with above described pushing sleeve 13 and cooperatively interact with another banking pin 12, for leading and limiting the chute of pushing sleeve 13 moving range.
The principle of work of the present embodiment is as follows:
Power passes to leading screw 21 by drive motor 25 by reductor 18, leading screw 21 is rotated, leading screw 21 is under the effect of back seat thrust bearing 20, circumference can only be produced rotate, axial displacement can not be done, and pushing sleeve 13 and leading screw 21 are threaded connection, when leading screw 21 rotates, pushing sleeve 13 carries out rectilinear motion, achieves the conversion of rotary motion to rectilinear motion.Power is delivered on stage clip 24 by stage clip base 23 by pushing sleeve 13, makes stage clip 24 that elastic deformation occur, and then in promoting, slide-bar 7 travels forward.When top 5 to be in object being measured power be 0 N, it is now critical excitation, when leading screw 21 continues to rotate, when interior slide-bar 7 moves forward, because top 5 positions have touched the section of harmonic speed reducer output shaft, can not move forward, now pressure transducer 1 is started working, interior slide-bar 7 is connected with adopting guider screw 3 between center sleeve 2, threaded engagement between guider screw 3 and interior slide-bar 7, but and be threadless clearance fit between center sleeve 2, after top 5 positions are determined, interior slide-bar 7 can move forward, relative motion is there occurs between guider screw 3 and center sleeve 2, pressure transducer 1 is squeezed, and then the size being applied to loaded load in object being measured can be accurately measured, thus under can different loads being carried out, the test of harmonic speed reducer vibration performance, the present embodiment is a kind of flexible load mode, avoid the Impulsive load to harmonic speed reducer output shaft, can effectively avoid because test is to the secondary damage brought of harmonic reduction, reduce the infringement to tested object, increase the authenticity of test result, efficiently, simple operation, stable mechanical performance, reliable operation.
Described embodiment is only preferably example of the present invention; it is not the restriction to embodiment of the present invention; for those of ordinary skill in the field; the basis of described explanation can also make other changes in different forms; here exhaustive without the need to also giving all embodiments; all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within claims of the present invention.
Claims (3)
1. a harmonic speed reducer vibration detection platform axial loading device, comprises drive unit, and frame and charger, is characterized in that: described drive unit is located at the afterbody of frame, and charger is located at machine frame inside,
Described frame comprises sleeve base (8), counter flange (17), tailstock end cap (19) and back seat trip bolt (14), counter flange (17) is located at the afterbody of sleeve base (8), it is middle with counter flange (17) that tailstock end cap (19) is located at sleeve base (8), and counter flange (17) and tailstock end cap (19) are fixed on sleeve base (8) through tailstock end cap (19) by back seat trip bolt (14) together;
Described drive unit comprises drive motor (25), reductor (18) and reductor trip bolt (16), described reductor (18) is fastened on counter flange (17) side by reductor trip bolt (16), described drive motor (25) drives with reductor (18) input end and is connected, for whole device provides loading power;
Described charger comprises leading screw (21), back seat thrust bearing (20), set nut (15), pushing sleeve (13), stage clip base (23), base trip bolt (10), setscrew nut (11), spline pin (22), stage clip (24), the spring axis of guide (9), interior slide-bar (7), pressure sensing (1), center sleeve (2), guider screw (3), top thrust bearing (4), top ball bearing (6) and top (5), described leading screw (21) one end is connected by key with reductor (18) output terminal, the other end is connected with pushing sleeve (13) by screw thread, pushing sleeve (13) is arranged in sleeve base (8) inner chamber and is clearance fit with sleeve base (8), through tailstock end cap (19) in the middle of leading screw (21), back seat thrust bearing (20) is located at the both sides of tailstock end cap (19), be locked by set nut (15), stage clip base (23) is located at the left end of pushing sleeve (13), be fastened on pushing sleeve (13) by base trip bolt (10), the spring axis of guide (9) one end is passed the endoporus of stage clip base (23) and is clearance fit, the other end of the spring axis of guide (9) is provided with thread head, be connected with interior slide-bar (7) one end with internal thread hole, setscrew nut (11) is located at one end of the spring axis of guide (9), and position spline by spline pin (22), stage clip (24) is enclosed within the spring axis of guide (9), and be located between interior slide-bar (7) and stage clip base (23), interior slide-bar (7) other end lays pressure sensing (1), center sleeve (2) is located at the front side of pressure sensing (1), and carry out guide-localization by guider screw (3), guider screw (3) is fixed on the front end face of interior slide-bar (7) through center sleeve (2), top thrust bearing (4) and top ball bearing (6) are located in center sleeve (2) embedded hole, the endoporus of top thrust bearing (4) and top ball bearing (6) is interference fit, the shaft shoulder of top (5) is as axial location benchmark, the outer ring of top ball bearing (6) and center sleeve (2) interference fit.
2. harmonic speed reducer vibration detection platform axial loading device according to claim 1, it is characterized in that: the top position of described sleeve base (8) is provided with the banking pin (12) stretching into sleeve base (8) inner chamber, described interior slide-bar (7) top is provided with and cooperatively interacts with banking pin (12), for leading and preventing the chute of interior slide-bar (7) axial rotation.
3. harmonic speed reducer vibration detection platform axial loading device according to claim 1 and 2, it is characterized in that: the top position of described sleeve base (8) is provided with the banking pin (12) stretching into sleeve base (8) inner chamber, described pushing sleeve (13) top is provided with and cooperatively interacts with banking pin (12), for leading and limiting the chute of pushing sleeve (13) moving range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610116836.7A CN105571858B (en) | 2016-02-29 | 2016-02-29 | A kind of harmonic speed reducer vibration detection platform axial loading device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610116836.7A CN105571858B (en) | 2016-02-29 | 2016-02-29 | A kind of harmonic speed reducer vibration detection platform axial loading device |
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| CN105571858A true CN105571858A (en) | 2016-05-11 |
| CN105571858B CN105571858B (en) | 2018-02-27 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890902A (en) * | 2016-06-12 | 2016-08-24 | 西北工业大学 | Fatigue test device for ultrasonic high-frequency rolling bearing |
| CN108548661A (en) * | 2018-03-26 | 2018-09-18 | 西安工业大学 | Axial revolution measures loading device |
| CN109668705A (en) * | 2019-02-19 | 2019-04-23 | 北京工业大学 | Heavy caliber V-type clip plate vibration experimental provision and method |
| CN111811376A (en) * | 2020-05-29 | 2020-10-23 | 武汉船用机械有限责任公司 | Impeller rotating gap detection device |
| CN112240827A (en) * | 2020-04-02 | 2021-01-19 | 北京新能源汽车技术创新中心有限公司 | Composite loading device and test bed for speed reducer test |
| CN112696476A (en) * | 2020-12-03 | 2021-04-23 | 天津理工大学 | Electric loader with electromagnetic buffer device |
| CN113532854A (en) * | 2021-06-25 | 2021-10-22 | 北京机械设备研究所 | Axial loading testing device for ball screw pair |
| WO2022148503A3 (en) * | 2021-12-17 | 2022-10-13 | 江苏小太阳技术发展有限公司 | Guide rail with a tension display mechanism |
| CN113532854B (en) * | 2021-06-25 | 2024-04-26 | 北京机械设备研究所 | Axial loading testing device for ball screw pair |
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| SU1666931A1 (en) * | 1989-05-10 | 1991-07-30 | Научно-Производственное Объединение "Спектр" | Multiplace motor-reducers-test stand |
| EP0554779A2 (en) * | 1992-02-05 | 1993-08-11 | Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V. | Procedure for testing vehicle components, in particular the individual wheel suspensions |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890902A (en) * | 2016-06-12 | 2016-08-24 | 西北工业大学 | Fatigue test device for ultrasonic high-frequency rolling bearing |
| CN108548661A (en) * | 2018-03-26 | 2018-09-18 | 西安工业大学 | Axial revolution measures loading device |
| CN108548661B (en) * | 2018-03-26 | 2024-02-13 | 西安工业大学 | Axial rotation measuring and loading device |
| CN109668705A (en) * | 2019-02-19 | 2019-04-23 | 北京工业大学 | Heavy caliber V-type clip plate vibration experimental provision and method |
| CN112240827A (en) * | 2020-04-02 | 2021-01-19 | 北京新能源汽车技术创新中心有限公司 | Composite loading device and test bed for speed reducer test |
| CN111811376A (en) * | 2020-05-29 | 2020-10-23 | 武汉船用机械有限责任公司 | Impeller rotating gap detection device |
| CN112696476A (en) * | 2020-12-03 | 2021-04-23 | 天津理工大学 | Electric loader with electromagnetic buffer device |
| CN113532854A (en) * | 2021-06-25 | 2021-10-22 | 北京机械设备研究所 | Axial loading testing device for ball screw pair |
| CN113532854B (en) * | 2021-06-25 | 2024-04-26 | 北京机械设备研究所 | Axial loading testing device for ball screw pair |
| WO2022148503A3 (en) * | 2021-12-17 | 2022-10-13 | 江苏小太阳技术发展有限公司 | Guide rail with a tension display mechanism |
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