CN105934662A - Speed reducer testing apparatus - Google Patents
Speed reducer testing apparatus Download PDFInfo
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- CN105934662A CN105934662A CN201480038257.4A CN201480038257A CN105934662A CN 105934662 A CN105934662 A CN 105934662A CN 201480038257 A CN201480038257 A CN 201480038257A CN 105934662 A CN105934662 A CN 105934662A
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Abstract
A speed reducer testing apparatus, comprising a support platform (12), and a servomotor (1), input rotary encoder (5), and output angular encoder (9) arranged on the support platform (12); the servomotor (1) providing power to a speed reducer (7) to be tested; the input rotary encoder (5) being connected to the input of the speed reducer (7) to be tested, and the output of the speed reducer (7) to be tested being connected to the output angular encoder (9); the output angular encoder (9) having an accuracy of +/-1 arcsec, and the input rotary encoder (5) having an accuracy of not more than +/-n arcsec, n being the minimum reduction ratio of the speed reducer (7) to be tested. Arranging at the output of the speed reducer (7) to be tested an output angular encoder (9) having an accuracy of up to +/-1 arcsec guarantees the angle measurement accuracy thereof. Furthermore, selecting, according to the specific application environment of the input and output of the speed reducer (7) to be tested, a reasonable angle measurement device not only ensures angle measurement accuracy, but also reduces the costs of speed reduction testing equipment.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of engineering machinery, in particular to a speed reducer testing device.
[ background of the invention ]
The high-precision cycloidal pin wheel speed reducer has wide application in the fields of industrial robots, precision machining equipment, paper making printing machinery, medical appliances and the like, and the quality of the performance of the cycloidal pin wheel speed reducer directly influences the performance index of a final product. Taking an industrial robot as an example, China is the country with the highest demand growth rate of industrial robots in the world at present, about 2 million industrial robots are newly added in 2011, 8 million reducers are needed for calculating 4 reducers for each set, and the number is expected to increase at a speed of 5% every year, so that the research and the manufacture of a high-performance cycloid reducer which can meet the requirements are necessary and urgent. The technology of the high-precision cycloidal pin wheel speed reducer in China is monopolized abroad at present, in order to break the long-term monopoly of the technology abroad, the speed reducer is independently researched and developed, a set of testing system of the high-precision cycloidal pin wheel speed reducer is correspondingly established, the angle transmission error, the return difference, the elastic constant and the like of the key performance indexes of the speed reducer are evaluated, the problems occurring in the research and development process of the speed reducer are timely reflected, the research and development of the speed reducer are more quickly and forwardly promoted, the monopoly of the speed reducer in China is broken away as early as possible, and the method has important significance.
When an existing speed reducer comprehensive performance system tests speed reducer angle transmission errors, angle information of input and output ends of a speed reducer is tested through an angle measuring device of a servo motor, the test precision error of the angle measuring device of the servo motor is about 10 arc seconds, the angle transmission error of a current foreign cycloidal pin gear speed reducer is about 30 arc seconds, and the test requirement on the speed reducer angle measurement errors with a high reduction ratio cannot be met.
[ summary of the invention ]
The invention mainly solves the technical problem of providing the speed reducer testing equipment, wherein the angle encoder and the rotary encoder are arranged at two ends of the speed reducer to be tested, so that the problem that when the speed reducer is tested for the angle transmission error, the used angle measuring device is low in precision and cannot meet the requirement of high precision is solved.
In order to solve the technical problems, the invention adopts a technical scheme that: the speed reducer testing equipment comprises a supporting platform, a servo motor, an input end rotary encoder and an output end angle encoder, wherein the servo motor is arranged on the supporting platform and used for providing power for a speed reducer to be tested, the input end rotary encoder is connected with the input end of the speed reducer to be tested, the output end of the speed reducer to be tested is connected with the output end angle encoder, the precision of the output end angle encoder is +/-1 angular second, the precision of the input end rotary encoder is not more than +/-n angular seconds, and n is the minimum reduction ratio of the speed reducer to be tested.
Wherein, the output end of the servo motor is directly connected with the input end rotary encoder.
The output end of the servo motor is connected with the input end rotary encoder through a first connecting shaft.
Wherein, rotary encoder installs between the input of first connecting shaft and the reduction gear that awaits measuring.
Wherein, rotary encoder installs on first connecting shaft.
The output end of the speed reducer to be tested is connected with the output end angle encoder through a second connecting shaft.
Wherein, the output end of the speed reducer to be tested is directly connected with the output end angle encoder.
The speed reducer testing equipment further comprises an input end rotary encoder support, a speed reducer support to be tested and an output end angle encoder, wherein the input end rotary encoder support, the speed reducer to be tested and the output end angle encoder are arranged on the supporting platform and can slide along the supporting platform, and the input end rotary encoder, the speed reducer to be tested and the output end angle encoder are respectively arranged on the input end rotary encoder, the speed reducer to be tested and.
Wherein, input rotary encoder support, the reduction gear support that awaits measuring and output end angle encoder support are fixed in on the supporting platform through the locating piece.
Wherein, input rotary encoder support, the reduction gear support that awaits measuring and output angle encoder support are provided with first recess towards one side of supporting platform, are provided with horizontal guide rail on the supporting platform, are provided with a second recess relative with first recess on the horizontal guide rail, and the locating piece sets up in first recess and second recess to make the central axis of input rotary encoder, the reduction gear that awaits measuring, output angle encoder be located the coplanar.
The speed reducer testing equipment further comprises an industrial personal computer and a data acquisition card, the data acquisition card is connected with the industrial personal computer and the servo motor, and the industrial personal computer controls the servo motor through the data acquisition card.
The speed reducer testing equipment further comprises a driver, the driver is connected between the data acquisition card and the servo motor, the data acquisition card sends a control signal to the driver, and the servo motor is driven by the driver.
Wherein, reduction gear test equipment further includes the count card, is connected with industrial computer, input rotary encoder and output angle encoder, and input rotary encoder and output angle encoder carry out data acquisition through the count card to by count card with the data transmission who gathers to the industrial computer.
The speed reducer testing equipment further comprises a servo motor support fixed on the supporting platform, and the servo motor is arranged on the servo motor support.
The invention has the beneficial effects that: the output end angle encoder with the precision reaching +/-1 arc second is arranged at the output end of the speed reducer, so that the angle measurement precision of the output end of the speed reducer with the greatly reduced rotating speed can be ensured. Meanwhile, the input end of the speed reducer is provided with the input end rotary encoder with the precision not greater than +/-n (n is the minimum reduction ratio of the speed reducer), and the angle measurement precision of the input end of the speed reducer with the high rotating speed can be ensured. The reasonable angle measuring device is selected according to the specific application environment of the input end and the output end of the speed reducer to be measured, so that the precision of angle measurement is guaranteed, and the cost of the speed reduction testing equipment is reduced.
[ description of the drawings ]
FIG. 1 is a schematic front view of the retarder test apparatus of the present invention;
FIG. 2 is a schematic top view of the retarder test apparatus of FIG. 1;
fig. 3 is an electrical configuration diagram of the decelerator testing apparatus of fig. 1.
[ detailed description ] embodiments
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Referring to fig. 1 and 2, fig. 1 is a front view of a testing apparatus for a decelerator according to the present invention; fig. 2 is a schematic top view of the decelerator testing apparatus of fig. 1. In this embodiment, the reducer testing device includes a supporting platform 12, a servo motor 1, a first connecting shaft 3, an input end rotary encoder 5, a second connecting shaft 8, an output end angle encoder 9, a servo motor bracket 2, an input end rotary encoder bracket 4, a reducer bracket 6 to be tested, an output end angle encoder bracket 10, a driver 31, a counting card 41, a data acquisition card 42 and an industrial personal computer 43, which are arranged on the supporting platform 12.
The servo motor 1 is connected with the input end rotary encoder 5 through the first connecting shaft 3, and the input end rotary encoder 5 is installed between the first connecting shaft 3 and the input end of the speed reducer 7 to be tested. In other embodiments, the input end rotary encoder 5 may be installed on the first connecting shaft 3, or the first connecting shaft 3 may be omitted, and the servo motor 1 is directly connected to the input end of the reducer 7 to be tested through the input end rotary encoder 5. The output end of the speed reducer 7 to be tested is connected with an output end angle encoder 9 through a second connecting shaft 8. Likewise, in other embodiments, the output of the gear unit 7 to be tested can be directly connected to the output angle encoder 9. Through the above connection, the angle information of the input end of the speed reducer 7 to be tested is tested by the input end rotary encoder 5, and the angle information of the output end of the speed reducer 7 to be tested is acquired by the output end angle encoder 9. The precision of output end angle encoder is 1 angular second, the precision of input end rotary encoder is not more than n angular second, and n is the minimum reduction ratio of reduction gear that awaits measuring.
Input rotary encoder support 4, the reduction gear support 6 that awaits measuring and output angle encoder support 10 set up on supporting platform 12 and can slide along supporting platform 12. Specifically, one side of the input end rotary encoder bracket 4, the speed reducer bracket 6 to be measured and the output end angle encoder bracket 10 facing the support platform 12 is provided with a first groove (not shown), the support platform 12 is provided with a horizontal guide rail (not shown), a second groove (not shown) is arranged in the horizontal guide rail, and the positioning blocks 11 and 13 are arranged in the first groove and the second groove. The central axis of input rotary encoder 5, the reduction gear 7 that awaits measuring, output angle encoder 9 is in the perpendicular to like this the guide rail just follows on the plane that guide rail length direction extends, and with the guide rail is parallel, only is different on the direction of height, consequently when the above-mentioned part of installation, only need adjust their the central axis highly just, accelerated the assembly rate of reduction gear test equipment greatly, save this test equipment at the preparation time of the reduction gear that awaits measuring. The servo motor bracket 2 is directly fixed on the horizontal guide rail of the supporting platform 12. By adopting the positioning block and the first groove and the second groove matched with the positioning block, the coaxiality of all parts of the test system can be controlled to be less than 0.01 mm. Referring to fig. 3, fig. 3 is an electrical configuration diagram of the decelerator testing apparatus of fig. 1. The driver 31 is connected between the data acquisition card 42 and the servo motor 1, and the data acquisition card 42 sends a control signal to the driver 31, so that the servo motor 1 is driven by the driver 31. In other embodiments, the driver 31 may be integrated into the servo motor 1, such that the data acquisition card 42 is connected to the industrial personal computer 43 and the servo motor 1, and the industrial personal computer 43 controls the servo motor 1 through the data acquisition card 42. Count card 41 is connected with industrial computer 43, input rotary encoder 5 and output angle encoder 9, and input rotary encoder 5 and output angle encoder 9 carry out data acquisition through count card 41 to by count card 41 with the data transmission who gathers to industrial computer 43. In the embodiment, the data acquisition card 42 and the counter card 41 are connected to the industrial personal computer 43 through the PCI bus 51.
The invention has the beneficial effects that: the output end angle encoder with the precision reaching +/-1 arc second is arranged at the output end of the speed reducer, so that the angle measurement precision of the output end of the speed reducer with the greatly reduced rotating speed can be ensured. Meanwhile, the input end of the speed reducer is provided with the input end rotary encoder with the precision not greater than +/-n (n is the minimum reduction ratio of the speed reducer), and the angle measurement precision of the input end of the speed reducer with the high rotating speed can be ensured. According to the invention, a reasonable angle measuring device is selected according to the specific application environment of the input end and the output end of the speed reducer to be tested, so that the precision of angle measurement is ensured, and the cost of speed reduction testing equipment is reduced.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (14)
- The utility model provides a reduction gear test equipment, its characterized in that, reduction gear test equipment includes supporting platform and sets up servo motor, input rotary encoder, output angle encoder on the supporting platform, servo motor does the reduction gear that awaits measuring provides power, the input rotary encoder connects the input of the reduction gear that awaits measuring, the output of the reduction gear that awaits measuring is connected output angle encoder, the precision of output angle encoder is 1 angle second, the precision of input rotary encoder is not more than n angle second, and n is the minimum reduction ratio of the reduction gear that awaits measuring.
- The retarder test apparatus of claim 1, wherein the output of the servo motor is directly connected to the input rotary encoder.
- The decelerator testing apparatus of claim 1, wherein the output of the servo motor is connected to the input rotary encoder by a first connecting shaft.
- A decelerator testing apparatus according to claim 3, wherein the rotary encoder is mounted between the first connection shaft and the input end of the decelerator under test.
- A decelerator testing apparatus according to claim 3, wherein the rotary encoder is mounted on the first connection shaft.
- The reducer testing device according to claim 2 or 3, wherein the output end of the reducer to be tested is connected with the output end angle encoder through a second connecting shaft.
- A reducer testing apparatus according to claim 2 or 3, characterized in that the output of the reducer to be tested is directly connected to the output angular encoder.
- The reducer testing apparatus according to claim 1, further comprising an input end rotary encoder bracket, a reducer bracket to be tested, and an output end angle encoder provided on and slidable along the supporting platform, the input end rotary encoder, the reducer to be tested, and the output end angle encoder being respectively provided thereon.
- The reducer testing device according to claim 8, wherein the input-end rotary encoder bracket, the reducer bracket to be tested, and the output-end angular encoder bracket are fixed to the support platform by positioning blocks.
- The reducer testing device according to claim 9, wherein the input end rotary encoder bracket, the reducer to be tested, and the output end angle encoder bracket are provided with a first groove on one side facing the supporting platform, the supporting platform is provided with a horizontal guide rail, the horizontal guide rail is provided with a second groove opposite to the first groove, and the positioning block is disposed in the first groove and the second groove, so that central axes of the input end rotary encoder, the reducer to be tested, and the output end angle encoder are located on the same plane.
- The testing equipment of the speed reducer according to claim 1, further comprising an industrial personal computer and a data acquisition card, wherein the data acquisition card is connected with the industrial personal computer and the servo motor, and the industrial personal computer controls the servo motor through the data acquisition card.
- The decelerator testing device of claim 11, further comprising a driver connected between the data acquisition card and the servo motor, the data acquisition card sending a control signal to the driver, the servo motor being driven by the driver.
- The reducer testing device of claim 11, further comprising a counting card, connected to the industrial personal computer, the input rotary encoder and the output angle encoder, wherein the input rotary encoder and the output angle encoder perform data acquisition through the counting card, and the counting card sends acquired data to the industrial personal computer.
- The decelerator testing apparatus of claim 1, further comprising a servo motor bracket fixed to the support platform, the servo motor being disposed on the servo motor bracket.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2014/095055 WO2015096799A1 (en) | 2013-12-26 | 2014-12-26 | Speed reducer testing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105934662A true CN105934662A (en) | 2016-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480038257.4A Pending CN105934662A (en) | 2014-12-26 | 2014-12-26 | Speed reducer testing apparatus |
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| CN101587015A (en) * | 2009-06-26 | 2009-11-25 | 西安交通大学 | Experiment table for detecting dynamic characteristics of harmonic reducers |
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| CN102607844A (en) * | 2012-04-10 | 2012-07-25 | 重庆大学 | Vertical experiment table for precise performance test of small-tooth-difference planetary reducer |
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Application publication date: 20160907 |