CN105571858B - A kind of harmonic speed reducer vibration detection platform axial loading device - Google Patents
A kind of harmonic speed reducer vibration detection platform axial loading device Download PDFInfo
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- CN105571858B CN105571858B CN201610116836.7A CN201610116836A CN105571858B CN 105571858 B CN105571858 B CN 105571858B CN 201610116836 A CN201610116836 A CN 201610116836A CN 105571858 B CN105571858 B CN 105571858B
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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 a kind of harmonic speed reducer vibration detection platform axial loading device, including drive device, frame and loading device, the drive device is located at the afterbody of frame, loading device is located at machine frame inside, described drive device includes motor, reductor and reductor trip bolt, described loading device includes leading screw, back seat thrust bearing, locking nut, pushing sleeve, stage clip base, base trip bolt, location nut, rotation stop pin, stage clip, the spring axis of guide, interior slide-bar, pressure sensor, center sleeve, guider screw, top thrust bearing, top ball bearing and top.The present invention is a kind of flexible load mode, avoid the Impulsive load to harmonic speed reducer output shaft, can effectively it avoid because testing the secondary damage brought to harmonic reduction, reduce the infringement to test object, increase the authenticity of test result, efficient, simple operation, stable mechanical performance, reliable operation.
Description
Technical field
The present invention relates to a kind of harmonic speed reducer vibration detection platform axial loading device, it is particularly suitable for use in axially position
Axially position can be carried out automatically and carry out axially loaded quantitative power being used for harmonic reduction by load quantitative load, particularly one kind
Device vibration testing equipment, belong to mechanical detection field.
Background technology
Key foundation part of the harmonic speed reducer as industrial robot, the research and development to its technology turn into domestic work at present
The bottleneck of industry Robot industry.Accurate flexible thin-wall bearing and the core component that flexbile gear is harmonic speed reducer, to harmonic reduction
The overall performance of device plays vital effect, and accurate flexible thin-wall bearing in the operating condition, is subjected to and thin wall shaft
Hold inner ring precision-fit elliptical shaft squeeze it is swollen under elastic deformation, and still suffer from because itself operating caused by alternate stress,
And in the case where operating mode is undesirable, still suffer from from extraneous different static load or dynamic load power.The inwall of flexbile gear and precision
Flexible thin-wall bearing contacts with each other, be equally also subjected to thin-wall bearing outer ring precision-fit squeeze it is swollen under elastic deformation and input shaft
Produced alternate stress under rotary action, it is therefore desirable to the stability of the accurate harmonic speed reducer, rotating accuracy and life-span
Tested, ability invested in plant metaplasia production after requirement to be achieved, and then the bottleneck for solving China's industry of industrial robots is asked
Topic, realizes the industrialization and extensive use of China's industrial robot.The present invention is that accurate harmonic speed reducer is born outside difference
The test of performance under portion's Dynamic And Static Loads operating mode.
The content of the invention
For above-mentioned technical problem, the invention provides a kind of efficient, simple operation, stable mechanical performance, reliable operation
Harmonic speed reducer vibration detection platform axial loading device.
Technical scheme is as follows：
A kind of harmonic speed reducer vibration detection platform axial loading device, including drive device, frame and loading device, it is described
Drive device is located at the afterbody of frame, and loading device is located at machine frame inside,
Described frame includes sleeve base, counter flange, tailstock end cap and back seat trip bolt, counter flange and is located at sliding sleeve
The afterbody of seat, tailstock end cap are located among sleeve base and counter flange, and back seat trip bolt passes through tailstock end cap by counter flange
It is fixed on together on sleeve base with tailstock end cap；
Described drive device includes motor, reductor and reductor trip bolt, and described reductor is by subtracting
Fast machine trip bolt is fastened on counter flange side, the motor and reductor input drive connection, is whole device
Loading power is provided；
Described loading device includes leading screw, back seat thrust bearing, locking nut, pushing sleeve, stage clip base, base fastening spiral shell
Nail, location nut, rotation stop pin, stage clip, the spring axis of guide, interior slide-bar, pressure sensor, center sleeve, guider screw, top thrust
Bearing, top ball bearing and top, described leading screw one end is connected with output end of reducer by key, and the other end passes through screw thread
It is connected with pushing sleeve, pushing sleeve is located in sleeve base inner chamber and coordinated with sleeve base for gap, and tailstock end cap is passed through among leading screw, after
Seat thrust bearing is located at the both sides of tailstock end cap, is locked by locking nut, stage clip base is located at the left end of pushing sleeve, passes through
Base trip bolt is fastened on pushing sleeve, and spring axis of guide one end passes through the endoporus of stage clip base and coordinated for gap, and spring is led
Thread head is provided with to the other end of axle, is connected with the one end of interior slide-bar with internal thread hole, location nut is located at spring guiding
One end of axle, and positioning rotation stop is carried out by rotation stop pin, compression spring sleeve is located at interior slide-bar and stage clip base on the spring axis of guide
Between, the interior slide-bar other end lays pressure sensor, the top front side for being set in pressure sensor, and is carried out by guider screw
Guide-localization, guider screw are fixed on the front end face of interior slide-bar through center sleeve, and top thrust bearing and top ball bearing are set
In center sleeve embeds hole, the endoporus of top thrust bearing and top ball bearing is interference fit, and the top shaft shoulder is as axially
Positioning datum, outer ring and the center sleeve of top ball bearing are interference fitted.
Further, the top position of the sleeve base is provided with the banking pin for stretching into sleeve base inner chamber, the interior slide-bar
Top is provided with and banking pin mutual cooperation, the chute for being oriented to and preventing interior slide-bar axial rotation.
Further, the top position of the sleeve base is provided with the banking pin for stretching into sleeve base inner chamber, on the pushing sleeve
Side is provided with and banking pin mutual cooperation, the chute for being oriented to and limiting pushing sleeve moving range.
Compared with prior art, the present invention is a kind of flexible load mode, avoids the impact to harmonic speed reducer output shaft
Loading, it can effectively avoid, because testing the secondary damage brought to harmonic reduction, reducing the infringement to test object, increasing
The authenticity of test result, efficient, simple operation, stable mechanical performance, reliable operation.
Brief description of the drawings
Fig. 1 is the schematic side view of the embodiment of the present invention.
Fig. 2 is the schematic cross-sectional view in A-A directions 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 sensor, and 2 be center sleeve, and 3 be guider screw, and 4 be top thrust bearing, 5 be it is top,
6 be top ball bearing, and 7 be interior slide-bar, and 8 be sleeve base, and 9 be the spring axis of guide, and 10 be base trip bolt, and 11 be positioning spiral shell
Mother, 12 be banking pin, and 13 be pushing sleeve, and 14 be back seat trip bolt, and 15 be locking nut, and 16 be reductor trip bolt, and 17 are
Counter flange, 18 be reductor, and 19 be tailstock end cap, and 20 be back seat thrust bearing, and 21 be leading screw, is shipped and resell on another market untill 22, and 23 be pressure
Spring base, 24 be stage clip, and 25 be motor.
Embodiment
The purpose of the present invention is described in further detail below by specific embodiment, embodiment can not herein one by one
Repeat, 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, including drive device, frame
And loading device, the drive device are located at the afterbody of frame, loading device is located at machine frame inside,
Described frame includes sleeve base 8, counter flange 17, tailstock end cap 19 and back seat trip bolt 14, counter flange
17 are located at the afterbody of sleeve base 8, and tailstock end cap 19 is located at sleeve base 8 and among counter flange 17, back seat trip bolt 14 passes through
Counter flange 17 and tailstock end cap 19 are fixed on sleeve base 8 by tailstock end cap 19 together；
Described drive device includes motor 25, reductor 18 and reductor trip bolt 16, described reductor
18 are fastened on the side of counter flange 17 by reductor trip bolt 16, and the motor 25 drives with the input of reductor 18
Dynamic connection, loading power is provided for whole device；
Described loading device include leading screw 21, back seat thrust bearing 20, locking nut 15, pushing sleeve 13, stage clip base 23,
Base trip bolt 10, location nut 11, rotation stop pin 22, stage clip 24, the spring axis of guide 9, interior slide-bar 7, pressure sensor 1, top
Point set 2, guider screw 3, top thrust bearing 4, top ball bearing 6 and top 5, described one end of leading screw 21 and reductor 18 are defeated
Go out end by key to be connected, the other end is connected by screw thread with pushing sleeve 13, and pushing sleeve 13 is located in the inner chamber of sleeve base 8 and and sliding sleeve
Seat 8 is that gap coordinates, and tailstock end cap 19 is passed through among leading screw 21, and back seat thrust bearing 20 is located at the both sides of tailstock end cap 19, leads to
Cross locking nut 15 to be locked, stage clip base 23 is located at the left end of pushing sleeve 13, and pushing sleeve is fastened on by base trip bolt 10
On 13, the one end of the spring axis of guide 9 passes through the endoporus of stage clip base 23 and coordinated for gap, and the other end of the spring axis of guide 9 is provided with
Thread head, it is connected with the one end of interior slide-bar 7 with internal thread hole, location nut 11 is located at one end of the spring axis of guide 9, and leads to
To cross rotation stop pin 22 and carry out positioning rotation stop, stage clip 24 is enclosed on the spring axis of guide 9, and is located between interior slide-bar 7 and stage clip base 23,
The interior other end of slide-bar 7 lays pressure sensor 1, and center sleeve 2 is located at the front side of pressure sensor 1, and is carried out by guider screw 3
Guide-localization, guider screw 3 are fixed on the front end face of interior slide-bar 7 through center sleeve 2, top thrust bearing 4 and top ball axle
Hold 6 and be located at center sleeve 2 and embed in hole, the endoporus of top thrust bearing 4 and top ball bearing 6 is interference fit, top 5 shaft shoulder
As axially position benchmark, outer ring and the center sleeve 2 of top ball bearing 6 are interference fitted.
The top position of the sleeve base 8 is provided with two banking pins 12 for stretching into the inner chamber of sleeve base 8, the interior slide-bar 7
Top be provided with cooperated with one of banking pin 12, the chute for being oriented to and preventing the interior axial rotation of slide-bar 7, it is described to push away
Set 13 top be provided with cooperated with another banking pin 12, the chute for being oriented to and limiting the moving range of pushing sleeve 13.
The operation principle of the present embodiment is as follows：
Power passes to leading screw 21 by motor 25 by reductor 18, rotates leading screw 21, and leading screw 21 pushes away in back seat
In the presence of power bearing 20, it can only produce and circumferentially rotate, it is impossible to axial displacement is done, and pushing sleeve 13 is connected with leading screw 21 by screw thread
Connect, when leading screw 21 rotates, pushing sleeve 13 is moved along a straight line, and realizes conversion of the rotary motion to linear motion.Pushing sleeve 13 is logical
Cross stage clip base 23 to transfer force on stage clip 24, make stage clip 24 that elastic deformation occur, and then slide-bar 7 travels forward in promotion.
When top 5 be in object being measured power is 0 N when, be now critical excitation, when leading screw 21 continues to rotate, interior slide-bar 7 after
It is continuous when travelling forward, because top 5 position has touched the section of harmonic speed reducer output shaft, it is impossible to move forward,
Now pressure sensor 1 is started working, and is connected between interior slide-bar 7 and center sleeve 2 using guider screw 3, guider screw 3 and interior cunning
It is that screw thread coordinates between axle 7, but is the gap cooperation of non-threaded between center sleeve 2, after top 5 position determines, interior slide-bar 7
It can move forward, there occurs relative motion, pressure sensor 1 between guider screw 3 and center sleeve 2 to be squeezed, enter
And the size for being applied to loaded load in object being measured can be accurately measured, so as to carry out under different loads, harmonic wave subtracts
The test of fast device vibration performance, the present embodiment are a kind of flexible load mode, avoid the impact to harmonic speed reducer output shaft
Loading, it can effectively avoid, because testing the secondary damage brought to harmonic reduction, reducing the infringement to test object, increasing
The authenticity of test result, efficient, simple operation, stable mechanical performance, reliable operation.
The embodiment is only the preferable example of the present invention, is not the restriction to embodiment of the present invention, right
For those of ordinary skill in the art, can also be made on the basis of the explanation it is other it is various forms of change or
Change, there is no necessity and possibility to exhaust all the enbodiments, is made within the spirit and principles of the invention
All any modification, equivalent and improvement etc., it should be included within claims of the present utility model.
Claims (3)
1. a kind of harmonic speed reducer vibration detection platform axial loading device, including drive device, frame and loading device, its feature
It is：The drive device is located at the afterbody of frame, and loading device is located at machine frame inside,
Described frame includes sleeve base (8), counter flange (17), tailstock end cap (19) and back seat trip bolt (14), transition
Flange (17) is located at the afterbody of sleeve base (8), and tailstock end cap (19) is located among sleeve base (8) and counter flange (17), back seat
Counter flange (17) and tailstock end cap (19) are fixed on sleeve base (8) by trip bolt (14) together through tailstock end cap (19)
On；
Described drive device includes motor (25), reductor (18) and reductor trip bolt (16), described deceleration
Machine (18) is fastened on counter flange (17) side, the motor (25) and reductor by reductor trip bolt (16)
(18) input drive connection, loading power is provided for whole device；
Described loading device includes leading screw (21), back seat thrust bearing (20), locking nut (15), pushing sleeve (13), stage clip bottom
Seat (23), base trip bolt (10), location nut (11), rotation stop pin (22), stage clip (24), the spring axis of guide (9), interior slide-bar
(7), pressure sensor (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 with reductor (18) output end by key, and the other end passes through screw thread and pushing sleeve (13)
It is connected, pushing sleeve (13) is located in sleeve base (8) inner chamber and coordinated with sleeve base (8) for gap, and tail is passed through among leading screw (21)
Seat end cap (19), back seat thrust bearing (20) are located at the both sides of tailstock end cap (19), are locked by locking nut (15), press
Spring base (23) is located at the left end of pushing sleeve (13), is fastened on by base trip bolt (10) on pushing sleeve (13), the spring axis of guide
(9) one end passes through the endoporus of stage clip base (23) and coordinated for gap, and the other end of the spring axis of guide (9) is provided with thread head, with
The one end of interior slide-bar (7) with internal thread hole is connected, and location nut (11) is located at one end of the spring axis of guide (9), and passes through
Rotation stop pin (22) carries out positioning rotation stop, and stage clip (24) is enclosed on the spring axis of guide (9), and is located at interior slide-bar (7) and stage clip base
(23) between, interior slide-bar (7) other end lays pressure sensor (1), and center sleeve (2) is located at the front side of pressure sensor (1), and
Guide-localization is carried out by guider screw (3), guider screw (3) is fixed on the front end face of interior slide-bar (7) through center sleeve (2)
On, top thrust bearing (4) and top ball bearing (6) are located at center sleeve (2) and embedded in hole, top thrust bearing (4) and top
The endoporus of ball bearing (6) is interference fit, and the shaft shoulder of top (5) is used as axially position benchmark, the outer ring of top ball bearing (6) and
Center sleeve (2) is interference fitted.
2. harmonic speed reducer vibration detection platform axial loading device according to claim 1, it is characterised in that：The sliding sleeve
The top position of seat (8) is provided with the banking pin (12) for stretching into sleeve base (8) inner chamber, is provided with and limit above the interior slide-bar (7)
Position nail (12) cooperates, the chute for being oriented to and preventing interior slide-bar (7) axial rotation.
3. harmonic speed reducer vibration detection platform axial loading device according to claim 1 or 2, it is characterised in that：It is described
The top position of sleeve base (8) is provided with the banking pin (12) for stretching into sleeve base (8) inner chamber, be provided with above the pushing sleeve (13) with
Banking pin (12) cooperates, the chute for being oriented to and limiting 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 |
Applications Claiming Priority (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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| CN105571858A CN105571858A (en) | 2016-05-11 |
| CN105571858B true CN105571858B (en) | 2018-02-27 |
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| CN112696476B (en) * | 2020-12-03 | 2022-04-12 | 天津理工大学 | Electric loader with electromagnetic buffer device |
| 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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| CN103592120A (en) * | 2013-09-18 | 2014-02-19 | 杭州中德传动设备有限公司 | Efficient equal-height adjusting device for speed reducer test bench |
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| CN205620121U (en) * | 2016-02-29 | 2016-10-05 | 华南理工大学 | Harmonic speed reducer ware vibration detection platform axial loading device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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