CN205404120U - Thin wall bearing examines test table and moves a year testing arrangement - Google Patents

Thin wall bearing examines test table and moves a year testing arrangement Download PDF

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Publication number
CN205404120U
CN205404120U CN201620156238.8U CN201620156238U CN205404120U CN 205404120 U CN205404120 U CN 205404120U CN 201620156238 U CN201620156238 U CN 201620156238U CN 205404120 U CN205404120 U CN 205404120U
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China
Prior art keywords
bearing
thin
wall bearing
cam
spring
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Withdrawn - After Issue
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CN201620156238.8U
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Chinese (zh)
Inventor
林武文
王娇娇
李伟光
李振
庄义钦
刘志阳
王凯
郑相立
郭明军
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South China University of Technology SCUT
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South China University of Technology SCUT
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Priority to CN201620156238.8U priority Critical patent/CN205404120U/en
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Abstract

The utility model discloses a thin wall bearing examines test table and moves a year testing arrangement, involving vibrations load mechanism, thin wall bearing clamping device and frame, vibration load mechanism establishes and is the bilateral symmetry distribution in the both sides of frame, and the centre at vibration load mechanism is established to the thin wall bearing clamping device to be located the inside of frame, the frame includes base, supporting seat, middle cushion and upper cover plate, vibration load mechanism includes shaft coupling, cam drive axle, support bearing, cam packing ring, cam disc, bearing mount pad, mount pad set screw, antifriction bearing, cam ejector pin, branch, arm pin, pressure rod, pressure adjusting bolt, lock nut, spring pressing cover, afterburning spring, loading gland, sensor mount pad, pressure sensor, the thin wall bearing clamping device includes thin wall bearing, power input shaft, power output shaft. The utility model discloses a will to the difference of the external force that flexible thin wall bearing bears move carry with different rotating ratio operating modes under capability test.

Description

A kind of thin-wall bearing monitor station mobile_loading test device
Technical field
This utility model is a kind of thin-wall bearing monitor station mobile_loading test device, it is particularly suited in harmonic speed reducer in wave producer the detection of thin-wall bearing, particularly to a kind of for testing precise thin-wall bearing at dynamic load and different rotating speeds than performance testing device quantitatively afterburning under operating mode, belong to mechanical detection field.
Technical background
Harmonic speed reducer is as the key foundation parts of industrial robot, the current bottleneck having become domestic industry of industrial robots of research and development to its technology.Accurate flexible thin-wall bearing is again the core component of harmonic speed reducer, and the overall performance of harmonic speed reducer is played vital effect.Accurate flexible thin-wall bearing in working order under, be subjected to thin-wall bearing inner ring precision-fit elliptical shaft crowded swollen under elastic deformation, and still suffer from the alternate stress because self operating produces, and when operating mode is undesirable, still suffer from from extraneous different static load or dynamic load power.It is thus desirable to the flexible thin-walled antiwhip of this precision, rotating accuracy and life-span are tested, could invested in plantization produce after requirement to be achieved, and then solve the bottleneck problem of China's industry of industrial robots, it is achieved the industrialization of China's industrial robot and extensive use.
Accurate flexible thin-wall bearing is as the key components and parts of harmonic speed reducer, and harmonic speed reducer overall performance is had very important effect by its rotating accuracy under different operating modes and stability.This utility model is carried out the test of accurate flexibility thin-walled bearing performance by accurate flexible thin-wall bearing bears from the different dynamic loadings of external force and different rotating speeds than under operating mode.
Utility model content
The purpose of this utility model be to provide a kind of efficiently, simple operation, stable mechanical performance, reliable operation a kind of thin-wall bearing monitor station mobile_loading test device.
The purpose of this utility model is achieved through the following technical solutions:
A kind of thin-wall bearing monitor station mobile_loading test device, including vibration load maintainer, thin-wall bearing clamping device and frame, the symmetrical distribution in both sides that described vibration load maintainer is located at frame, thin-wall bearing clamping device is located at the centre of vibration load maintainer, and it is positioned at the inside of frame, described frame includes base, supporting seat, middle spacer and upper cover plate, described supporting seat is located at above base, it is fixed by bolts on base, middle spacer is located at above supporting seat, each side one piece is symmetric, upper cover plate is located on middle spacer, it is fixed on supporting seat through middle spacer with fastening screw;nullDescribed vibration load maintainer includes shaft coupling、Cam drive axle、Spring bearing、Cam washers、Cam disc、Bearing mounting base、Mounting seat fixes screw、Rolling bearing、Cam follower、Pole、Arm pin、Pressure rod、Pressure regulating bolt、Locking nut、Spring capping、Energizing spring、Load gland、Sensor installation seat、Pressure transducer、Pressure guide blot and loading blocks,Described shaft coupling is located at cam drive axle upper end and is connected with motor power axle,Cam drive axle is fixed on upper cover plate and bearing mounting base by spring bearing,Bearing mounting base is fixed on the upper surface of supporting seat by the fixing screw of mounting seat,Cam washers is located on cam drive axle,And between upper cover plate and cam disc,For positioning the spring bearing of top,Cam disc is arranged on the shaft shoulder of cam drive axle,The ellipsoid of cam disc and rolling bearing cooperate,Rolling bearing is arranged on one end of cam follower,Cam follower traverse middle spacer,The other end of cam follower connects the upper end of pressure rod by pin,Pole is connected by arm pin in the middle of pressure rod,The other end of pole passes through screw threads for fastening on supporting seat,The lower end of pressure rod is provided with pressure regulating bolt and locking nut,Spring capping one end is connected with energizing spring,The other end contacts with pressure regulating bolt,The other end of energizing spring is connected with loading gland,Load gland to be connected with sensor installation seat by pressure guide blot,Pressure transducer is arranged on sensor installation seat and loads between gland,Pressure transducer measurement energizing spring is applied to the radial direction dynamic loading of thin-wall bearing,Loading blocks is located at the inside of thin-wall bearing clamping device,And be connected by the male thread of internal thread hole with sensor installation seat one end;nullDescribed thin-wall bearing clamping device includes thin-wall bearing、Power input shaft、Power output shaft、Power shaft spring bearing、Output shaft spring bearing、Bearing mounting base and end cap,Described bearing mounting base is fixed on supporting seat,Power output shaft one end is fixed on bearing mounting base by output shaft spring bearing,Thin-walled inner chamber in the power output shaft other end lays thin-wall bearing and outer wall is connected with loading blocks,Bear the load that loading blocks loads,Power input shaft one end is fixed in power output shaft inner chamber by power shaft spring bearing,The other end is fixed on end cap by power shaft spring bearing,End cap is fixed on bearing mounting base,Thin-wall bearing is located on the shaft shoulder of power input shaft,The outer ring of thin-wall bearing contacts with the inwall of power output shaft right-hand member,The dynamic loading loaded the most at last is applied on thin-wall bearing,Thin-wall bearing is made to work under the dynamic loading of alternation.
Further, it is ellipsoidal structure that the power input shaft in described thin-wall bearing clamping device installs the shaft shoulder of thin-wall bearing.
Further, described power output shaft one end in thin-wall bearing clamping device is solid shafting, and the other end is thin-walled cup aperture.
Compared to existing technology, this utility model achieves and accurate flexible thin-wall bearing is born the test carrying out accurate flexibility thin-walled bearing performance from the different dynamic loads of external force and different rotating speeds than under operating mode, harmonic speed reducer the best gear ratio is instructed to choose, simple in construction, easy to operate, stable mechanical performance, safe and reliable, efficient.
Accompanying drawing explanation
Fig. 1 is the axle side structure schematic diagram of this utility model embodiment.
Fig. 2 is the side block diagram of this utility model embodiment.
Fig. 3 is the sectional view in A-A direction in Fig. 2.
Fig. 4 is the sectional view in B-B direction in Fig. 3.
Fig. 5 is cam disc drive mechanism partial enlarged drawing.
Fig. 6 is the partial enlarged drawing of radial loaded part.
Fig. 7 is power output shaft structural representation.
nullShown in figure: 1 is pressure regulating bolt,2 is locking nut,3 is spring capping,4 is energizing spring,5 for loading gland,6 is sensor installation seat,7 is base,8 is power input shaft,9 is thin-wall bearing,10 is supporting seat,11 is loading blocks,12 is pressure transducer,13 is power output shaft,14 is bearing mounting base,15 is spring bearing,16 is cam follower,17 is cam disc,18 is cam washers,19 is upper cover plate,20 is cam drive axle,21 is shaft coupling,22 is bearing mounting base,23 is middle spacer,24 is rolling bearing,25 is pole,26 is arm pin,27 is pressure rod,28 is output shaft spring bearing,29 is power shaft spring bearing,30 is end cap,31 is the fixing screw of mounting seat,32 is pressure guide blot.
Detailed description of the invention
Below by specific embodiment, the purpose of this utility model being described in further detail, embodiment can not repeat one by one at this, but therefore embodiment of the present utility model is not defined in following example.
Embodiment 1
With reference to the accompanying drawings shown in 1 to 6, a kind of thin-wall bearing monitor station mobile_loading test device, including vibration load maintainer, thin-wall bearing clamping device and frame, vibration load maintainer is located at the symmetrical distribution in both sides of frame, thin-wall bearing clamping device is located at the centre of vibration load maintainer, and it is positioned at the inside of frame, described frame includes base 7, supporting seat 10, middle spacer 23 and upper cover plate 19, described supporting seat 10 is located at above base 7, it is fixed by bolts on base 7, middle spacer 23 is located at above supporting seat 10, each side one piece is symmetric, upper cover plate 19 is located on middle spacer 23, it is fixed on supporting seat 10 through middle spacer 23 with fastening screw;nullDescribed vibration load maintainer includes shaft coupling 21、Cam drive axle 20、Spring bearing 15、Cam washers 18、Cam disc 17、Bearing mounting base 22、Mounting seat fixes screw 31、Rolling bearing 24、Cam follower 16、Pole 25、Arm pin 26、Pressure rod 27、Pressure regulating bolt 1、Locking nut 2、Spring capping 3、Energizing spring 4、Load gland 5、Sensor installation seat 6、Pressure transducer 12、Pressure guide blot 32 and loading blocks 11,Described shaft coupling 21 is located at cam drive axle 20 upper end and is connected with motor power axle,Cam drive axle 20 is fixed on upper cover plate 19 and bearing mounting base 22 by spring bearing 15,Bearing mounting base 22 is fixed on the upper surface of supporting seat 10 by the fixing screw 31 of mounting seat,Cam washers 18 is located on cam drive axle 20,And between upper cover plate 19 and cam disc 17,For positioning the spring bearing 15 of top,Cam disc 17 is arranged on the shaft shoulder of cam drive axle 20,The ellipsoid of cam disc 17 and rolling bearing 24 cooperate,Rolling bearing 24 is arranged on one end of cam follower 16,Cam follower 16 traverse middle spacer 23,The other end of cam follower 16 connects the upper end of pressure rod 27 by pin,Pole 25 is connected by arm pin 26 in the middle of pressure rod 27,The other end of pole 25 passes through screw threads for fastening on supporting seat 10,The lower end of pressure rod 27 is provided with pressure regulating bolt 1 and locking nut 2,Spring capping 3 one end is connected with energizing spring 4,The other end contacts with pressure regulating bolt 1,The other end of energizing spring 4 is connected with loading gland 5,Load gland 5 to be connected with sensor installation seat 6 by pressure guide blot 32,Pressure transducer 4 is arranged on sensor installation seat 6 and loads between gland 5,Pressure transducer 12 is applied to the radial direction dynamic loading of thin-wall bearing 9 with measuring energizing spring 4,Loading blocks 11 is located at the inside of thin-wall bearing clamping device,And be connected by the male thread of internal thread hole with sensor installation seat 6 one end;nullDescribed thin-wall bearing clamping device includes thin-wall bearing 9、Power input shaft 8、Power output shaft 13、Power shaft spring bearing 29、Output shaft spring bearing 28、Bearing mounting base 14 and end cap 30,Described bearing mounting base 14 is fixed on supporting seat 10,Power output shaft 13 one end is fixed on bearing mounting base 14 by output shaft spring bearing 28,Thin-walled inner chamber in power output shaft 13 other end lays thin-wall bearing 9 and outer wall be connected with loading blocks 11,Bear the load that loading blocks 11 loads,Power input shaft 8 one end is fixed in power output shaft 13 inner chamber by power shaft spring bearing 29,The other end is fixed on end cap 30 by power shaft spring bearing 29,End cap 30 is fixed on bearing mounting base 14,Thin-wall bearing 9 is located on the shaft shoulder of power input shaft 8,The outer ring of thin-wall bearing 9 contacts with the inwall of power output shaft 13 right-hand member,The dynamic loading loaded the most at last is applied on thin-wall bearing 9,Thin-wall bearing 9 is made to work under the dynamic loading of alternation.
The operation principle of the present embodiment is as follows:
Manually regulating pressure regulating bolt 1 during operation can by power by spring capping 3, energizing spring 4, load gland 5, sensor installation seat 6, pressure transducer 12 and loading blocks 11 are loaded on the thin-wall shell of thin-walled transmission output shaft, and then outside radial load is loaded on thin-wall bearing 9, when carrying out external load and loading, pressure transducer 12 can be passed through and carry out external load Quantitative Monitoring, thus instructing manual adjustments pressure regulating bolt 1 precession position, when carrying out thin-wall bearing 9 performance test, when adjusting thin-wall bearing 9 radial load, power input shaft 8 rotates under the drive of motor, thin-wall bearing 9 works under the effect bearing the alternate stress that self operating produces, at outside current vortex, under the measurement of the sensor such as acceleration and rotating speed, complete the test to thin-wall bearing 9.Wherein locking nut 2 plays insurance position-limiting action, it is prevented that pressure regulating bolt 1 screw thread damage or afterburning excessive time produce sliding.Simultaneously this utility model also can realize input and output shaft performance test under different speed reducing ratio operating modes; thin-walled transmission output shaft is reversely driven by the motor of only small rotating speed; therefore flexible thin-wall bearing 9 with regard to Internal and external cycle respectively differ bigger rotation speed operation; the realizing of different gear ratios need to change the rotating speed coupling drive motor with power input shaft 8 and thin-walled transmission output shaft, and its rotating ratio is gear ratio.According to bearing performance test result, may finally realize instructing harmonic speed reducer the best gear ratio to choose.
Embodiment 2
It is ellipsoidal structure that the power input shaft 8 that this example and example 1 are distinctive in that in described thin-wall bearing clamping device installs the shaft shoulder of thin-wall bearing 9.
Embodiment 3
As it is shown in fig. 7, power output shaft 13 one end that this example and example 1 are distinctive in that in described thin-wall bearing clamping device is solid shafting, the other end is thin-walled cup aperture, and simple in construction is easy to process.
Described embodiment is only preferably example of the present utility model; it it is not the restriction to this utility model embodiment; for those of ordinary skill in the field; the basis of described explanation can also make other changes in different forms; here without also cannot all of embodiment be given exhaustive; all any amendment, equivalent replacement and improvement etc. made within spirit of the present utility model and principle, should be included within claims of the present utility model.

Claims (3)

1. a thin-wall bearing monitor station mobile_loading test device, including vibration load maintainer, thin-wall bearing clamping device and frame, it is characterized in that: vibration load maintainer is located at the symmetrical distribution in both sides of frame, thin-wall bearing clamping device is located at the centre of vibration load maintainer, and it is positioned at the inside of frame, described frame includes base (7), supporting seat (10), middle spacer (23) and upper cover plate (19), described supporting seat (10) is located at base (7) top, it is fixed by bolts on base (7), middle spacer (23) is located at supporting seat (10) top, each side one piece is symmetric, upper cover plate (19) is located on middle spacer (23), it is fixed on supporting seat (10) through middle spacer (23) with fastening screw;nullDescribed vibration load maintainer includes shaft coupling (21)、Cam drive axle (20)、Spring bearing (15)、Cam washers (18)、Cam disc (17)、Bearing mounting base (22)、Mounting seat fixes screw (31)、Rolling bearing (24)、Cam follower (16)、Pole (25)、Arm pin (26)、Pressure rod (27)、Pressure regulating bolt (1)、Locking nut (2)、Spring capping (3)、Energizing spring (4)、Load gland (5)、Sensor installation seat (6)、Pressure transducer (12)、Pressure guide blot (32) and loading blocks (11),Described shaft coupling (21) is located at cam drive axle (20) upper end and is connected with motor power axle,Cam drive axle (20) is fixed on upper cover plate (19) and bearing mounting base (22) by spring bearing (15),Bearing mounting base (22) is fixed on the upper surface of supporting seat (10) by the fixing screw (31) of mounting seat,Cam washers (18) is located on cam drive axle (20),And be positioned between upper cover plate (19) and cam disc (17),For positioning the spring bearing (15) of top,Cam disc (17) is arranged on the shaft shoulder of cam drive axle (20),The ellipsoid of cam disc (17) and rolling bearing (24) cooperate,Rolling bearing (24) is arranged on one end of cam follower (16),Cam follower (16) traverse middle spacer (23),The other end of cam follower (16) connects the upper end of pressure rod (27) by pin,Pole (25) is connected by arm pin (26) in the middle of pressure rod (27),The other end of pole (25) passes through screw threads for fastening on supporting seat (10),The lower end of pressure rod (27) is provided with pressure regulating bolt (1) and locking nut (2),Spring capping (3) one end is connected with energizing spring (4),The other end contacts with pressure regulating bolt (1),The other end of energizing spring (4) is connected with loading gland (5),Load gland (5) to be connected with sensor installation seat (6) by pressure guide blot (32),Pressure transducer (4) is arranged on sensor installation seat (6) and loads between gland (5),Pressure transducer (12) is used for measuring energizing spring (4) and is applied to the radial direction dynamic loading of thin-wall bearing (9),Loading blocks (11) is located at the inside of thin-wall bearing clamping device,And be connected by the male thread of internal thread hole with sensor installation seat (6) one end;nullDescribed thin-wall bearing clamping device includes thin-wall bearing (9)、Power input shaft (8)、Power output shaft (13)、Power shaft spring bearing (29)、Output shaft spring bearing (28)、Bearing mounting base (14) and end cap (30),Described bearing mounting base (14) is fixed on supporting seat (10),Power output shaft (13) one end is fixed on bearing mounting base (14) by output shaft spring bearing (28),Thin-walled inner chamber in power output shaft (13) other end is laid thin-wall bearing (9) and outer wall be connected with loading blocks (11),Bear the load that loading blocks (11) loads,Power input shaft (8) one end is fixed in power output shaft (13) inner chamber by power shaft spring bearing (29),The other end is fixed on end cap (30) by power shaft spring bearing (29),End cap (30) is fixed on bearing mounting base (14),Thin-wall bearing (9) is located on the shaft shoulder of power input shaft (8),The outer ring of thin-wall bearing (9) contacts with the inwall of power output shaft (13) right-hand member,The dynamic loading loaded the most at last is applied on thin-wall bearing (9),Thin-wall bearing (9) is made to work under the dynamic loading of alternation.
2. a kind of thin-wall bearing monitor station mobile_loading test device according to claim 1, it is characterised in that: it is ellipsoidal structure that the power input shaft (8) in described thin-wall bearing clamping device installs the shaft shoulder of thin-wall bearing (9).
3. a kind of thin-wall bearing monitor station mobile_loading test device according to claim 1, it is characterised in that: power output shaft (13) one end in described thin-wall bearing clamping device is solid shafting, and the other end is thin-walled cup aperture.
CN201620156238.8U 2016-02-29 2016-02-29 Thin wall bearing examines test table and moves a year testing arrangement Withdrawn - After Issue CN205404120U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105547701A (en) * 2016-02-29 2016-05-04 华南理工大学 Dynamic load testing device for thin-wall bearing detecting table
CN106863160A (en) * 2016-12-27 2017-06-20 华南理工大学 A kind of flexible thin-wall bearing special fixture
CN107907350A (en) * 2017-12-30 2018-04-13 浙江联宜电机有限公司 Scooter drive axle load simulating device
CN111289165A (en) * 2020-03-10 2020-06-16 中国第一汽车股份有限公司 Device and method for measuring excitation force of cam shaft to cam bearing cover
CN111982700A (en) * 2020-09-01 2020-11-24 中国航发沈阳发动机研究所 Large-batch testing device for mechanical property degradation detection of liners of aircraft pipelines

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105547701A (en) * 2016-02-29 2016-05-04 华南理工大学 Dynamic load testing device for thin-wall bearing detecting table
CN105547701B (en) * 2016-02-29 2018-02-27 华南理工大学 A kind of thin-wall bearing monitor station mobile_loading test device
CN106863160A (en) * 2016-12-27 2017-06-20 华南理工大学 A kind of flexible thin-wall bearing special fixture
CN106863160B (en) * 2016-12-27 2018-06-22 华南理工大学 A kind of flexibility thin-wall bearing special fixture
CN107907350A (en) * 2017-12-30 2018-04-13 浙江联宜电机有限公司 Scooter drive axle load simulating device
CN107907350B (en) * 2017-12-30 2024-03-29 浙江联宜电机有限公司 Load simulator for drive axle of scooter
CN111289165A (en) * 2020-03-10 2020-06-16 中国第一汽车股份有限公司 Device and method for measuring excitation force of cam shaft to cam bearing cover
CN111982700A (en) * 2020-09-01 2020-11-24 中国航发沈阳发动机研究所 Large-batch testing device for mechanical property degradation detection of liners of aircraft pipelines
CN111982700B (en) * 2020-09-01 2023-08-11 中国航发沈阳发动机研究所 Large-batch testing device for detecting mechanical property degradation of aeronautical pipeline liner

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Granted publication date: 20160727

Effective date of abandoning: 20180227