CN112098080A - Fatigue life testing machine for RV reducer - Google Patents
Fatigue life testing machine for RV reducer Download PDFInfo
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- CN112098080A CN112098080A CN202010771410.1A CN202010771410A CN112098080A CN 112098080 A CN112098080 A CN 112098080A CN 202010771410 A CN202010771410 A CN 202010771410A CN 112098080 A CN112098080 A CN 112098080A
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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
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
Abstract
The invention relates to the technical field of test detection, in particular to an RV reducer fatigue life testing machine which can effectively improve the testing efficiency, enable the equipment to run more stably, improve the testing precision and reduce the use limitation; including the workstation, the fixed box, torque sensor, the torsion shaft, two sets of mounts, two sets of RV reduction gears, driving motor, the loading motor, two sets of torque sensor No. two, fixed box fixed mounting is on the top of workstation, the inside of fixed box is provided with the cavity, both ends all communicate to be provided with about the fixed box and get and put the mouth, be provided with two sets of fixed baffles of symmetry on the inner wall of cavity, and two sets of fixed baffles fall into left chamber with the cavity, lumen and right chamber triplex, the bottom of lumen is provided with the base, the one end of two sets of sliding tables all is provided with the connecting seat, and the connecting axle all passes through bolt fixed connection with output shaft and input shaft and connecting seat, the bottom of workstation is provided with four groups of supporting.
Description
Technical Field
The invention relates to the technical field of test detection, in particular to a fatigue life testing machine for an RV reducer.
Background
The RV reducer is a precision reducer, has a plurality of excellent characteristics such as high rigidity, transmission ratio and bearing capacity, high motion precision and transmission efficiency, small return error and the like, is widely applied to the engineering fields of robots, medical treatment, military and the like, has a development trend of gradually replacing a harmonic reducer in advanced robot transmission along with the development of robot technology, becomes one of the key technologies of modern robots, is an important technical means for ensuring the performance of the RV reducer by carrying out precision test research on the RV reducer, is an inevitable choice for developing the RV reducer in China, and has a long time, key core components of the robots in China basically depend on import, seriously restrict the development of the robots in China, and in addition, the fatigue life detection of the RV reducer is also very important.
In order to ensure that the service life of the RV reducer meets the design standard, a fatigue life test is usually required to be carried out on the RV reducer, a mechanical closed power flow structure is in a traditional auxiliary plate rack form for the fatigue life test of a gear transmission device, is widely adopted and is also in a structural form recommended in relevant standards, and relevant test technologies are mature.
Disclosure of Invention
In order to solve the technical problems, the invention provides the fatigue life testing machine for the RV reducer, which can effectively improve the testing efficiency, enable the equipment to run more stably, improve the testing precision and reduce the use limitation.
The invention discloses an RV reducer fatigue life testing machine, which comprises a workbench, a fixed box body, a first torque sensor, a torsion shaft, two groups of fixed frames, two groups of RV reducers, a driving motor, a loading motor and two groups of second torque sensors, wherein the fixed box body is fixedly arranged at the top end of the workbench, a cavity is arranged inside the fixed box body, the left end and the right end of the fixed box body are both communicated with and provided with a taking and placing opening, two groups of fixed partition plates are symmetrically arranged on the inner wall of the cavity and divide the cavity into a left cavity, a middle cavity and a right cavity, the bottom end of the middle cavity is provided with a base, the first torque sensor is fixedly arranged at the top end of the base, two groups of bearings are arranged on the two groups of fixed partition plates, the torsion shaft is rotatably arranged on the two groups of fixed partition plates through matching with the two groups of bearings and, two groups of torsion shafts are respectively and rotatably connected with the left end and the right end of a first torque sensor through torsion shaft sections, connecting shafts are arranged on the two groups of torsion shafts, two groups of fixing frames are respectively and fixedly arranged at the left end and the right end of a fixing box body, hydraulic locking rings are arranged on the two groups of fixing frames, two groups of RV reducers are respectively and detachably and fixedly arranged on the two groups of fixing frames through matching with the hydraulic locking rings, the input end and the output end of each group of RV reducers are respectively provided with an input shaft and an output shaft, the left side and the right side of the top end of a workbench are provided with two groups of sliding tables in a sliding manner, a driving motor and a loading motor are respectively and fixedly arranged on the two groups of sliding tables, the output ends of the driving motor and the loading motor are respectively and rotatably, four groups of supporting legs are arranged at the bottom end of the workbench.
The RV reducer fatigue life testing machine further comprises two groups of vertical plates and two groups of adjusting screw rods, wherein the two groups of vertical plates are fixedly arranged on the left side and the right side of the top end of the workbench respectively, the two groups of adjusting screw rods are rotatably arranged on the two groups of vertical plates respectively, the two groups of adjusting screw rods are rotatably connected with the two groups of sliding tables respectively, and adjusting hand wheels are arranged on the two groups of adjusting screw rods.
The fatigue life testing machine for the RV reducer further comprises four groups of universal wheels, wherein the four groups of universal wheels are fixedly arranged at the bottom ends of the four groups of supporting legs respectively.
The RV reducer fatigue life testing machine further comprises a hand push handle, and the hand push handle is fixedly installed at the left end of the workbench.
The RV reducer fatigue life testing machine further comprises an anti-skidding handle sleeve, and the anti-skidding handle sleeve is fixedly sleeved on the circumferential outer wall of the hand push handle.
The fatigue life testing machine for the RV reducer further comprises four groups of cross beams, and the four groups of cross beams are fixedly arranged on the four groups of supporting legs respectively.
According to the RV reducer fatigue life testing machine, the left end and the right end of the fixed partition plate and the fixed frame are respectively provided with the multiple groups of rib plates.
According to the fatigue life testing machine for the RV reducer, anti-skid grains are arranged on the circumferential outer wall of the adjusting hand wheel.
Compared with the prior art, the invention has the beneficial effects that: firstly, a driving motor is started, the driving motor drives an input shaft to rotate through a connecting seat, the input shaft drives an RV reducer to rotate, the RV reducer drives a torsion shaft to rotate through an output shaft, then the torsion shaft drives another group of RV reducers to rotate through the output shaft, a loading motor is started, the loading motor drives the input shaft to rotate through the connecting seat, torque loading is carried out on a system, torque values on the output shaft and the input shaft are respectively detected through a first torque sensor and a second torque sensor and are transmitted to a controller to be displayed, and a fatigue life test of the reducers is completed. The response is fast, and the precision is high, and the equipment main part adopts totally closed box structure in addition, only is equipped with the equipment mouth at fixed box top, and the RV reduction gear adopts the mounting means back to back, compares with the tradition and assists the board formula, has simplified the matrix structure, and equipment structure is more firm to can effectively improve test efficiency, make equipment operation more steady, improve the measuring accuracy, reduce and use the limitation.
Drawings
FIG. 1 is a schematic front side cross-sectional view of the present invention;
FIG. 2 is a schematic view in partial cross-section of a torsional shaft connection of the present invention;
FIG. 3 is a right side view of the fixed partition according to the present invention;
FIG. 4 is a right side view of the fixing frame of the present invention;
FIG. 5 is a schematic sectional view showing the connection of the sliding table according to the present invention;
FIG. 6 is a schematic flow diagram of the closed electrical power flow architecture of the present invention;
in the drawings, the reference numbers: 1. a work table; 2. fixing the box body; 3. fixing the partition board; 4. a base; 5. a first torque sensor; 6. a bearing; 7. a torsion shaft; 8. a connecting shaft; 9. a fixed mount; 10. a hydraulic lock ring; 11. an RV reducer; 12. an input shaft; 13. an output shaft; 14. a sliding table; 15. a drive motor; 16. loading a motor; 17. a second torque sensor; 18. a connecting seat; 19. supporting legs; 20. a vertical plate; 21. adjusting the lead screw; 22. adjusting a hand wheel; 23. a universal wheel; 24. a hand-push handle; 25. an anti-slip handle sleeve; 26. a cross beam; 27. a rib plate; 28. and (4) anti-skid lines.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in figures 1 to 6, the fatigue life testing machine for the RV reducer comprises a workbench 1, a fixed box body 2, a first torque sensor 5, a torsion shaft 7, two groups of fixing frames 9, two groups of RV reducers 11, a driving motor 15, a loading motor 16 and two groups of second torque sensors 17, wherein the fixed box body 2 is fixedly arranged at the top end of the workbench 1, a cavity is arranged inside the fixed box body 2, the left end and the right end of the fixed box body 2 are respectively provided with a taking and placing opening in a communicating manner, the inner wall of the cavity is symmetrically provided with two groups of fixed partition plates 3, the cavity is divided into a left cavity, a middle cavity and a right cavity by the two groups of fixed partition plates 3, the bottom end of the middle cavity is provided with a base 4, the first torque sensor 5 is fixedly arranged at the top end of the base 4, the two groups of fixed partition plates 3 are respectively provided with two groups of bearings 6, the torsion shaft 7 is rotatably arranged on, and the middle part of the torsion shaft 7 is provided with a torsion shaft section, two groups of torsion shafts 7 are respectively rotatably connected with the left end and the right end of a first torque sensor 5 through the torsion shaft section, two groups of torsion shafts 7 are respectively provided with a connecting shaft 8, two groups of fixing frames 9 are respectively and fixedly arranged at the left end and the right end of a fixing box body 2, two groups of fixing frames 9 are respectively provided with a hydraulic locking ring 10, two groups of RV reducers 11 are respectively and fixedly arranged on the two groups of fixing frames 9 in a detachable way through matching with the hydraulic locking rings 10, the input end and the output end of the two groups of RV reducers 11 are respectively provided with an input shaft 12 and an output shaft 13, the left side and the right side of the top end of the workbench 1 are provided with two groups of sliding tables 14 in a sliding way, a driving motor 15 and a loading motor 16 are respectively and fixedly arranged on the two, the connecting shaft 8 and the output shaft 13 and the input shaft 12 and the connecting seat 18 are fixedly connected through bolts, and four groups of supporting legs 19 are arranged at the bottom end of the workbench 1; firstly, a driving motor 15 is started, the driving motor 15 drives an input shaft 12 to rotate through a connecting seat 18, the input shaft 12 drives an RV reducer 11 to rotate, the RV reducer 11 drives a torsion shaft 7 to rotate through an output shaft 13, then the torsion shaft 7 drives another group of RV reducers 11 to rotate through the output shaft 13, a loading motor 16 is started, the loading motor 16 drives the input shaft 12 to rotate through the connecting seat 18 to load torque on a system, torque values on the output shaft 13 and the input shaft 12 are respectively detected through a first torque sensor 5 and a second torque sensor 17 and are transmitted to a controller to be displayed, and the fatigue life test of the reducers is completed. Accelerating and braking, operating mode requirements such as electronic or braking, the response is fast, the precision is high, equipment principal adopts totally closed box structure in addition, only is equipped with the equipment mouth at 2 tops of fixed box, RV reduction gear 11 adopts the mounting means back to back, compares with the tradition and assists the board formula, has simplified the base structure, and equipment structure is more firm to can effectively improve test efficiency, make equipment operation more steady, improve the measuring accuracy, reduce and use the limitation.
The fatigue life testing machine for the RV reducer further comprises two groups of vertical plates 20 and two groups of adjusting screw rods 21, wherein the two groups of vertical plates 20 are respectively and fixedly arranged on the left side and the right side of the top end of the workbench 1, the two groups of adjusting screw rods 21 are respectively and rotatably arranged on the two groups of vertical plates 20, the two groups of adjusting screw rods 21 are respectively and rotatably connected with the two groups of sliding tables 14, and adjusting hand wheels 22 are respectively arranged on the two groups of adjusting screw rods 21; through rotating the adjusting hand wheel 22, the adjusting screw 21 drives the sliding table 14 to move along the sliding groove, so that the sliding of the sliding table 14 is more convenient and labor-saving, and the use limitation is reduced.
The fatigue life testing machine for the RV reducer further comprises four groups of universal wheels 23, wherein the four groups of universal wheels 23 are fixedly arranged at the bottom ends of the four groups of supporting legs 19 respectively; through setting up universal wheel 23, can make the removal of equipment and adjust more convenient, reduce and use the limitation.
The RV reducer fatigue life testing machine further comprises a hand push handle 24, wherein the hand push handle 24 is fixedly arranged at the left end of the workbench 1; through setting up hand push handle 24, can be convenient for the pushing equipment and remove and adjust, reduce and use the limitation.
The RV reducer fatigue life testing machine further comprises an anti-skidding handle sleeve 25, wherein the anti-skidding handle sleeve 25 is fixedly sleeved on the circumferential outer wall of the hand push handle 24; through setting up antiskid handle cover 25, can increase the contact friction on hand push handle 24 surface, prevent to appear skidding the condition of taking off the hand in the promotion in-process, improve the reliability in utilization.
The fatigue life testing machine for the RV reducer further comprises four groups of cross beams 26, wherein the four groups of cross beams 26 are respectively and fixedly arranged on four groups of supporting legs 19; through setting up crossbeam 26, can make the bearing structure of equipment more stable firm, make equipment operation more steady, improve and use the reliability.
According to the RV reducer fatigue life testing machine, the left end and the right end of the fixed partition plate 3 and the fixed frame 9 are respectively provided with a plurality of groups of rib plates 27; through setting up floor 27, can strengthen the structural strength and the bearing capacity of fixed baffle 3 and mount 9 to make more steady safety of testing process, improve and use the reliability.
According to the fatigue life testing machine for the RV reducer, anti-skid grains 28 are arranged on the circumferential outer wall of the adjusting hand wheel 22; through setting up anti-skidding line 28, can effectively prevent to appear slipping the condition of taking off the hand when rotating adjusting hand wheel 22, improve the reliability in utilization.
The invention relates to an RV reducer fatigue life testing machine, which is characterized in that when in work, firstly two groups of RV reducers 11 are fixedly placed on a fixed frame 9 back to back, an adjusting hand wheel 22 is manually rotated to enable an adjusting screw 21 to push a sliding table 14 to move to a proper position, a connecting shaft 8, an output shaft 13, an input shaft 12 and a connecting seat 18 are fixedly connected through bolts, the RV reducers 11 are tightly held and fixed through a hydraulic control hydraulic lock ring 10, a driving motor 15 is started, the driving motor 15 drives the input shaft 12 to rotate through the connecting seat 18, the input shaft 12 drives the RV reducers 11 to rotate, the RV reducers 11 drive a torsion shaft 7 to rotate through the output shaft 13, then the torsion shaft 7 drives another group of RV reducers 11 to rotate through the output shaft 13, a loading motor 16 drives the input shaft 12 to rotate through the connecting seat 18 by starting the, the torque values of the output shaft 13 and the input shaft 12 are respectively detected by the first torque sensor 5 and the second torque sensor 17, transmitted to the controller and displayed, and the fatigue life test of the speed reducer is carried out by adopting a closed electric power current structure and a direct current bus feedback type alternating current servo loading mode.
According to the RV reducer fatigue life testing machine, the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the testing machine can be implemented as long as the beneficial effects of the testing machine can be achieved; the driving motor, the loading motor, the first torque sensor and the second torque sensor of the RV reducer fatigue life testing machine are purchased from the market, and technicians in the industry only need to install and operate according to the attached operating instructions.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A fatigue life testing machine for RV reducers is characterized by comprising a workbench (1), a fixed box body (2), a first torque sensor (5), a torsion shaft (7), two groups of fixed frames (9), two groups of RV reducers (11), a driving motor (15), a loading motor (16) and two groups of second torque sensors (17), wherein the fixed box body (2) is fixedly arranged at the top end of the workbench (1), a cavity is arranged inside the fixed box body (2), the left end and the right end of the fixed box body (2) are both communicated with a taking and placing opening, two groups of fixed partition plates (3) are symmetrically arranged on the inner wall of the cavity, the cavity is divided into a left cavity, a middle cavity and a right cavity by the two groups of fixed partition plates (3), a base (4) is arranged at the bottom end of the middle cavity, the first torque sensor (5) is fixedly arranged at the top end of the base (4), and two groups of bearings (6), the torsion shaft (7) is rotatably arranged on two groups of fixed partition plates (3) through the matching with two groups of bearings (6) and a first torque sensor (5), the middle part of the torsion shaft (7) is provided with a torsion shaft section, the two groups of torsion shafts (7) are respectively rotatably connected with the left end and the right end of the first torque sensor (5) through the torsion shaft section, the two groups of torsion shafts (7) are respectively provided with a connecting shaft (8), the two groups of fixing frames (9) are respectively fixedly arranged at the left end and the right end of the fixed box body (2), the two groups of fixing frames (9) are respectively provided with a hydraulic lock ring (10), the two groups of RV reducers (11) are respectively detachably and fixedly arranged on the two groups of fixing frames (9) through the matching with the hydraulic lock rings (10), the input end and the output end of the two groups of RV reducers (11) are respectively provided with an input shaft (12) and an output shaft (13, driving motor (15) and loading motor (16) are fixed mounting respectively on two sets of sliding stand (14), the output of driving motor (15) and loading motor (16) rotates with two sets of No. two torque sensor (17) respectively and is connected, the one end of two sets of sliding stand (14) all is provided with connecting seat (18), and connecting axle (8) and output shaft (13) and input shaft (12) all pass through bolt fixed connection with connecting seat (18), the bottom of workstation (1) is provided with four group's supporting legs (19).
2. The fatigue life testing machine for the RV reducer according to claim 1 is characterized by further comprising two sets of vertical plates (20) and two sets of adjusting screw rods (21), wherein the two sets of vertical plates (20) are respectively and fixedly installed at the left side and the right side of the top end of the workbench (1), the two sets of adjusting screw rods (21) are respectively and rotatably installed on the two sets of vertical plates (20), the two sets of adjusting screw rods (21) are respectively and rotatably connected with the two sets of sliding tables (14), and adjusting hand wheels (22) are respectively arranged on the two sets of adjusting screw rods (21).
3. The fatigue life testing machine for the RV reducer according to claim 2, characterized by further comprising four sets of universal wheels (23), wherein the four sets of universal wheels (23) are respectively fixedly arranged at the bottom ends of the four sets of supporting legs (19).
4. The fatigue life testing machine for the RV reducer according to claim 3 is characterized by further comprising a hand push handle (24), wherein the hand push handle (24) is fixedly installed at the left end of the workbench (1).
5. The fatigue life tester for the RV reducer according to claim 4, characterized in that, further comprising an anti-slip handle sleeve (25), the anti-slip handle sleeve (25) is fixedly sleeved on the circumferential outer wall of the hand push handle (24).
6. The fatigue life testing machine for the RV reducer according to claim 5, characterized by further comprising four groups of beams (26), wherein the four groups of beams (26) are respectively fixedly installed on the four groups of supporting legs (19).
7. The RV reducer fatigue life testing machine as in claim 6, characterized in that the left and right ends of the fixed clapboard (3) and the fixed frame (9) are provided with a plurality of groups of rib plates (27).
8. The fatigue life tester for the RV reducer according to claim 7 is characterized in that the adjusting hand wheel (22) is provided with anti-skid lines (28) on the circumferential outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010771410.1A CN112098080A (en) | 2020-08-04 | 2020-08-04 | Fatigue life testing machine for RV reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010771410.1A CN112098080A (en) | 2020-08-04 | 2020-08-04 | Fatigue life testing machine for RV reducer |
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| Publication Number | Publication Date |
|---|---|
| CN112098080A true CN112098080A (en) | 2020-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010771410.1A Pending CN112098080A (en) | 2020-08-04 | 2020-08-04 | Fatigue life testing machine for RV reducer |
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| CN (1) | CN112098080A (en) |
Citations (6)
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|---|---|---|---|---|
| WO2015096796A1 (en) * | 2013-12-26 | 2015-07-02 | 深圳市配天智造装备股份有限公司 | Speed reducer testing device |
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| CN209214911U (en) * | 2018-12-18 | 2019-08-06 | 上海羿弓精密科技有限公司 | A kind of RV retarder comprehensive test device |
| CN209624049U (en) * | 2019-03-08 | 2019-11-12 | 广东省东莞市质量监督检测中心 | A kind of harmonic reducer of robot experiment on fatigue properties platform |
| CN110487545A (en) * | 2019-09-29 | 2019-11-22 | 上海羿弓精密科技有限公司 | A kind of High Precision RV Reducer comprehensive test device |
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2020
- 2020-08-04 CN CN202010771410.1A patent/CN112098080A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015096796A1 (en) * | 2013-12-26 | 2015-07-02 | 深圳市配天智造装备股份有限公司 | Speed reducer testing device |
| CN106370420A (en) * | 2016-08-25 | 2017-02-01 | 浙江双环传动机械股份有限公司 | Electrical-closed decelerator accelerated life test system |
| CN209214911U (en) * | 2018-12-18 | 2019-08-06 | 上海羿弓精密科技有限公司 | A kind of RV retarder comprehensive test device |
| CN109357867A (en) * | 2018-12-21 | 2019-02-19 | 北京工业大学 | A kind of RV retarder fatigue life test radial loading device |
| CN209624049U (en) * | 2019-03-08 | 2019-11-12 | 广东省东莞市质量监督检测中心 | A kind of harmonic reducer of robot experiment on fatigue properties platform |
| CN110487545A (en) * | 2019-09-29 | 2019-11-22 | 上海羿弓精密科技有限公司 | A kind of High Precision RV Reducer comprehensive test device |
Non-Patent Citations (2)
| Title |
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| 王拓然: "RV减速器综合性能检测平台的研制", 《中国优秀博硕士学位论文全文数据库(硕士)工程科技Ⅱ辑》 * |
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Application publication date: 20201218 |