CN211042700U - High-precision RV reducer comprehensive testing device - Google Patents
High-precision RV reducer comprehensive testing device Download PDFInfo
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- CN211042700U CN211042700U CN201921674735.7U CN201921674735U CN211042700U CN 211042700 U CN211042700 U CN 211042700U CN 201921674735 U CN201921674735 U CN 201921674735U CN 211042700 U CN211042700 U CN 211042700U
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Abstract
The utility model relates to a high accuracy RV reduction gear integrated test device, including base, first sliding platform, second sliding platform, first motor, first torque sensor, second motor, second torque sensor, first angle sensor, input shaft support and output shaft support. Compared with the prior art, the utility model designs the sliding platform assembly which can realize quick assembly and disassembly, so that the assembly and disassembly processes of the RV reducer to be tested are more convenient and quick; the output shaft support and the input shaft support can be used for meeting the requirements of sensors with different specifications; the limit part of the sliding platform improves the testing precision; the double-range torque sensor can adapt to the measurement of reducers of different series models and can also realize the test of transmission precision under light load; the input shaft of the RV reducer to be tested is arranged in the two bearing inner rings with the same horizontal axis, so that the bearing clearance can be adjusted; the circular grating angle sensor with double reading heads can meet the requirement of testing transmission precision in a high-speed state.
Description
Technical Field
The utility model relates to a reduction gear integrated test device especially relates to a high accuracy RV reduction gear integrated test device.
Background
The RV reducer is a two-stage transmission reducer, the first stage is planetary transmission, the second stage is cycloidal pin gear transmission, the RV reducer is composed of a cycloidal pin gear and a planetary support, and the RV reducer is widely applied to the fields of industrial robots, machine tools, medical detection equipment, satellite receiving systems and the like due to the advantages of small size, strong impact resistance, large torque, high positioning precision, small vibration, large reduction ratio and the like. Compared with the common harmonic transmission in the robot, the high-precision harmonic transmission has much higher fatigue strength, rigidity and service life, and has stable return difference precision, and the motion precision is obviously reduced along with the increase of the service time unlike the harmonic transmission, so that the RV speed reducer is mostly adopted in the high-precision robot transmission in many countries in the world, and in order to ensure the product performance, the return difference, the tooth clearance, the torsional rigidity, the angle transmission error, the transmission efficiency and the service life are required to be detected in the production process.
The utility model discloses a utility model with publication number CN207336073U discloses a RV reduction gear comprehensive testing device can carry out comprehensive properties test to the RV reduction gear of different models, nevertheless does not include the life-span test, and in addition, plum blossom mold shaft coupling and slide rail slider structure in this scheme have brought the facility of assembly but have sacrificed the system precision. The utility model patent with publication number CN206399652U discloses a comprehensive testing device, although the scheme can measure multiple parameters, because magnetic powder brake can not actively load, can not test the hysteresis curve, thereby unable to obtain accurate return difference, backlash and torsional rigidity.
In addition, the existing RV reducer comprehensive testing device has various defects: 1) the assembling and disassembling processes of the RV reducer are more complicated, the accuracy of the assembling process is not high, and system errors are easily caused; 2) the adaptability of the sensor is low, the reserved mounting positions of the sensor on the whole device are few, and the adaptive replacement of various sensors cannot be realized; 3) The torque sensor cannot adapt to small-range measurement, so that the precision is reduced, and the test under light load cannot be realized; 4) the arrangement position of the input shaft on the bracket causes bearing play to be difficult to balance, and system errors are caused; 5) in the prior art, the complete fixation of the input end is difficult to realize by the matching of the columnar rod hole; 6) the transmission stability of the input shaft and the coupling needs to be further improved; 7) the first angle sensor at the input end of the speed reducer cannot meet the requirement of testing the transmission precision in a high-speed state.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dismouting awaits measuring piece rapid, the systematic error is little, the high-accuracy RV reduction gear comprehensive testing device of stability in order to overcome the defect that above-mentioned prior art exists.
The purpose of the utility model can be realized through the following technical scheme:
the utility model discloses well high accuracy RV reduction gear integrated test device, including following each part:
the base is provided with a first sliding rail and a second sliding rail;
the first sliding platform is arranged on the first linear sliding rail and can linearly move along the first linear sliding rail;
the second sliding platform is arranged on the second linear slide rail and can linearly displace along the second linear slide rail, and the RV reducer to be tested is arranged between the first sliding platform and the second sliding platform;
the first motor is arranged on the first sliding platform;
the first torque sensor is arranged on the first sliding platform, one end of the first torque sensor is connected with an output shaft of the first motor, and the other end of the first torque sensor is connected with an input shaft of the RV reducer to be tested;
the second motor is arranged on the second sliding platform;
one end of the second torque sensor is connected with an output shaft of the RV reducer to be tested, and the other end of the second torque sensor is connected with an output shaft of the second motor;
the first angle sensor is arranged on an input shaft of the RV reducer to be tested;
the input shaft support is arranged on the first sliding platform, and an input shaft of the RV reducer to be tested penetrates through the input shaft support;
the output shaft support is arranged on the base, and the output end of the RV reducer to be tested penetrates through the output shaft support; this output shaft support both can be used to the demand that adapts to different specification sensors, still is favorable to the sensor to simplify the process of assembly, mainly because the output sets up and obtains angle sensor and need change immediately according to the project that awaits measuring, so set up output shaft support alone here, be favorable to providing more installation space and installation position to this demand that adapts to different specification sensors still is favorable to simplifying the process of assembly.
And the second angle sensor is arranged on the output shaft bracket.
Further, the two ends of the base are respectively provided with a shaft lever assembly, horizontal position adjustment of the first sliding platform and the second sliding platform is achieved respectively, the rod portion of the base is provided with external threads, the external threads are matched with threads below the first sliding platform and the second sliding platform, the horizontal position adjustment of the first sliding platform and the second sliding platform is achieved respectively by screwing the handle at the end of the shaft lever, the first sliding platform and the second sliding platform are enabled to move towards the two sides of the base before the RV reducer to be tested is assembled, the first sliding platform and the second sliding platform are enabled to be drawn close and assembled after the assembly, and reverse operation is achieved during disassembly. Therefore, the assembling and disassembling processes of the RV reducer to be tested are more convenient and faster.
Furthermore, a second speed reducer with a small transmission ratio is arranged between the second torque sensor and the second motor, one end of the second speed reducer is connected with the second torque sensor, and the other end of the second speed reducer is connected with an output shaft of the second motor.
Furthermore, the first motor is connected with the first torque sensor, the first torque sensor is connected with the RV reducer to be tested, and the RV reducer to be tested is connected with the second reducer through couplers.
Further, the first torque sensor is an axial torque sensor; the second torque sensor is a double-range torque sensor. When the double-range torque sensor carries out small-torque test on a motor test system, the test range is switched to a small-range gear, so that the test is more accurate, the double-range torque sensor is adopted, the double-range torque sensor can adapt to the measurement of reducers of different series of models, and the transmission precision can be tested under light load.
Further, the input shaft of the RV reducer to be tested is connected with the coupler through a flat key. The flat key connection is adopted to further ensure the stability of the input torque and avoid the generation of system errors in the power input process.
Furthermore, a positioning block is arranged on the base, and the positioning block can be ejected upwards and abutted against the bottom surface of the first sliding platform and/or the second sliding platform, so that the first sliding platform and/or the second sliding platform is horizontally limited.
Furthermore, a transition flange is arranged on an input shaft of the RV reducer to be tested, and the first angle sensor is arranged on the transition flange; the sensor can be used for meeting the requirements of sensors with different specifications, and is beneficial to simplifying the assembly process of the sensors.
The first angle sensor is a circular grating angle sensor comprising two double reading heads. The testing device can meet the requirement of testing the transmission precision in a high-speed state.
Furthermore, the arrangement positions of the two circular grating angle sensors form a 90-degree included angle with the connecting line of the axis.
Furthermore, two coaxial bearings are arranged in the input shaft support, an input shaft of the RV reducer to be tested penetrates through inner rings of the two bearings, and the inner rings of the two bearings are fixed on the input shaft support. The input shaft of the RV reducer to be tested is arranged in the two bearing inner rings of the coplanar axis, so that the bearing clearance can be adjusted, and the coaxiality of the shaft can be realized.
Furthermore, the input shaft support is provided with a limiting cover plate, the limiting cover plate and the input shaft of the RV reducer are respectively provided with a through hole and a limiting hole, the input shaft support is movably provided with a fixing pin which can penetrate through the through hole and the limiting hole, the fixing pin is a taper pin, and the through hole and the limiting hole are both taper holes. This department structure is used for fixed spacing axle, can be used to hysteresis curve's measurement, and the fixed mode of input adopts taper pin and epaxial taper hole cooperation, has prevented two completely to treat that the relative torsion between the mounting is translocation, and the cooperation of the post type pole hole among the prior art is more stable, can realize the complete fixed of input, can more accurately measure reduction gear hysteresis curve.
Compared with the prior art, the utility model has the advantages of it is following:
1) this technical scheme has designed the sliding platform subassembly that can realize quick assembly disassembly, makes first sliding platform and second sliding platform remove to the both sides of base before the RV reduction gear that awaits measuring assembles, makes first sliding platform and second sliding platform draw close and accomplish the assembly after the assembly, reverse operation during the dismantlement. Therefore, the assembling and disassembling processes of the RV reducer to be tested are more convenient and faster.
2) Output shaft support and input shaft support among this technical scheme both can be used to the demand that adapts to different specification sensors, still is favorable to the sensor to simplify the process of assembly, and the main reason is that the output sets up and needs to change immediately according to the project that awaits measuring to obtain angle sensor, so set up the shaft support alone here, be favorable to providing more installation space and installation position to this demand that adapts to different specification sensors still is favorable to simplifying the process of assembly.
3) This technical scheme has designed sliding platform's spacing part, makes first sliding platform and/or second sliding platform spacing by horizontal axial after RV reduction gear assembly is accomplished, has promoted the precision of test.
4) The second torque sensor adopts a double-range torque sensor, when the double-range torque sensor carries out small torque test on a motor test system, the test range is switched to a small-range gear, so that the test is more accurate, the double-range torque sensor is adopted, the double-range torque sensor can adapt to the measurement of reducers of different series of models, and the transmission precision can be tested under light load.
5) The input shaft support in this technical scheme has set up the bearing of two coaxial lines, and the inner circle in two bearings is worn to overlap in the input shaft of the RV reduction gear that awaits measuring, and the inner circle of two bearings all is fixed in on the input shaft support. The input shaft of the RV reducer to be tested is arranged in the two bearing inner rings of the coplanar axis, so that the bearing clearance can be adjusted, and the coaxiality of the shaft can be realized.
6) The input shaft support is provided with the conical surface fixing assembly, the conical pin is matched with the conical hole in the shaft, relative torsion translocation between two to-be-fixed parts is completely prevented, the cylindrical rod hole is more stable in matching compared with the prior art, the input end can be completely fixed, and the hysteresis curve of the speed reducer can be accurately measured.
7) According to the technical scheme, the input shaft of the RV reducer to be tested is connected with the coupler through the flat key, the stability of input torque is further guaranteed through the flat key connection, and system errors generated in the power input process are avoided.
8) The first angle sensor in the technical scheme comprises two circular grating angle sensors with double reading heads, and the requirement for testing the transmission precision in a high-speed state can be met.
Drawings
Fig. 1 is a schematic plan structure diagram of a high-precision comprehensive test device for RV reducers of the present invention;
fig. 2 is a schematic view of a three-dimensional structure of the comprehensive testing device for the high-precision RV reducer of the present invention;
fig. 3 is a schematic diagram illustrating a position setting of a first angle sensor according to the present invention;
fig. 4 is a schematic cross-sectional view of the input shaft bracket according to the present invention.
In the figure: 1. the base, 2, first sliding platform, 3, second sliding platform, 4, first motor, 5, first torque sensor, 6, the RV reduction gear that awaits measuring, 7, second torque sensor, 8, the second reduction gear, 9, the second motor, 10, first angle sensor, 101, circle grating angle sensor, 11, first linear slideway, 12, second linear slideway, 13, the second angle sensor, 14, input shaft bracket, 141, spacing apron, 142, the fixed pin, 143, the bearing, 15, output shaft bracket, 16, transition flange.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Examples
The utility model discloses well high accuracy RV reduction gear integrated test device, including following each part:
base 1 part: on which a first slide rail 11 and a second slide rail 12 are arranged. The first sliding platform 2 is arranged on the first linear sliding rail 11 and can linearly move along the first linear sliding rail 11; the second sliding platform 3 is arranged on the second linear sliding rail 12 and can linearly displace along the second linear sliding rail 12, and the RV reducer 6 to be tested is arranged between the first sliding platform 2 and the second sliding platform 3. Base 1's both ends are equipped with a axostylus axostyle subassembly respectively, realize the horizontal position adjustment of first sliding platform 2 and second sliding platform 3 respectively, its pole portion is equipped with the external screw thread, with the screw-thread fit of first sliding platform 2 and second sliding platform 3 below, through twisting the handle of axle rod tip, realize the horizontal position adjustment of first sliding platform 2 and second sliding platform 3 respectively, make first sliding platform 2 and second sliding platform 3 remove to base 1's both sides before the assembly of the RV reduction gear 6 that awaits measuring, make first sliding platform 2 and second sliding platform 3 draw close and accomplish the assembly after the assembly, reverse operation during the dismantlement. Therefore, the assembling and disassembling processes of the RV reducer 6 to be tested are more convenient and faster. The base 1 is provided with a positioning block which can be ejected upwards and pressed against the bottom surfaces of the first sliding platform 2 and/or the second sliding platform 3, so that the first sliding platform 2 and/or the second sliding platform 3 are horizontally limited.
A motor part: the first motor 4 is arranged on the first sliding platform 2; the second motor 9 is arranged on the second sliding platform 3.
A bracket part: the input shaft support 14 is provided on the first sliding platform 2, and the input shaft of the RV reducer 6 to be tested penetrates the input shaft support 14. The output shaft bracket 15 is arranged on the base 1, and the output end of the RV reducer 6 to be tested penetrates through the output shaft bracket 15; this output shaft support 15 both can be used to the demand that adapts to different specification sensors, still is favorable to the sensor to simplify the process of assembly, mainly because the output sets up and obtains angle sensor and need change immediately according to the project that awaits measuring, so set up output shaft support 15 alone here, be favorable to providing more installation space and installation position to this demand that adapts to different specification sensors still is favorable to simplifying the process of assembly.
The input shaft support 14 is provided with a limiting cover plate 141, the limiting cover plate 141 and the input shaft of the RV reducer are respectively provided with a through hole and a limiting hole, the input shaft support is movably provided with a fixing pin 142 capable of penetrating through the through hole and the limiting hole, the fixing pin 142 is a taper pin, and the through hole and the limiting hole are both taper holes. This department structure is used for fixed spacing axle, can be used to hysteresis curve's measurement, and the fixed mode of input adopts taper pin and epaxial taper hole cooperation, has prevented two completely to treat that the relative torsion between the mounting is translocation, and the cooperation of the post type pole hole among the prior art is more stable, can realize the complete fixed of input, can more accurately measure reduction gear hysteresis curve.
Two coaxial bearings 143 are arranged in the input shaft support 14, the input shaft of the RV reducer 6 to be tested penetrates through the inner rings of the two bearings 143, and the inner rings of the two bearings are fixed on the input shaft support 14. The input shaft of the RV reducer 6 to be tested is arranged in the two bearing inner rings of the coplanar axis, so that the bearing clearance can be adjusted, and the coaxiality of the shaft can be realized. The input shaft of the RV reducer 6 to be tested is connected with the flat key of the coupler. The flat key connection is adopted to further ensure the stability of the input torque and avoid the generation of system errors in the power input process. The input shaft of the RV reducer 6 to be tested is provided with a transition flange 16, and the first angle sensor 10 is arranged on the transition flange 16. The sensor can be used for meeting the requirements of sensors with different specifications, and is beneficial to simplifying the assembly process of the sensors.
A torque sensor portion: the first torque sensor 5 is arranged on the first sliding platform 2, one end of the first torque sensor is connected with an output shaft of the first motor 4, and the other end of the first torque sensor is connected with an input shaft of the RV reducer 6 to be tested; and one end of the second torque sensor 7 is connected with an output shaft of the RV reducer 6 to be tested, and the other end of the second torque sensor is connected with an output shaft of the second motor 9. A second speed reducer 8 is arranged between the second torque sensor 7 and the second motor 9, one end of the second speed reducer 8 is connected with the second torque sensor 7, and the other end of the second speed reducer is connected with an output shaft of the second motor 9. The first torque sensor 5 is an axial torque sensor and the second torque sensor 7 is a two-range torque sensor. When the double-range torque sensor carries out small-torque test on a motor test system, the test range is switched to a small-range gear, so that the test is more accurate, the double-range torque sensor is adopted, the double-range torque sensor can adapt to the measurement of reducers of different series of models, and the transmission precision can be tested under light load. The first motor 4 is connected with the first torque sensor 5 through a coupler, the first torque sensor 5 is connected with the RV reducer to be tested 6 through a coupler, and the RV reducer to be tested 6 is connected with the second reducer 8 through a coupler.
An angle sensor section: the first angle sensor 10 is arranged on an input shaft of the RV reducer 6 to be tested; the second angle sensor 13 is provided on the output shaft support 15. The first angle sensor 10 is a circular grating angle sensor 101 comprising two dual-reading heads. The testing device can meet the requirement of testing the transmission precision in a high-speed state. The arrangement positions of the two circular grating angle sensors 101 form a 90-degree included angle with the connecting line of the axes.
The return difference, the tooth clearance and the torsional rigidity of the RV reducer are specifically tested:
1. the input shaft is fixed: the three needs to calculate through its hysteresis curve and obtains, needs fixed RV reduction gear input shaft when carrying out the mapping of hysteresis curve, and RV reduction gear input shaft is fixed through fixed pin 142 in this embodiment, runs through-hole and spacing hole with the fixed pin, the rotation of restriction input shaft.
2. Loading and measuring: the second motor 9 is used as a drive, and the moment is amplified through the second speed reducer 8, so that the loading of the output shaft is completed. And recording the numerical values of the second torque sensor 7 and the second angle sensor 63 at any time in the loading process, controlling the amplitude and the direction of the loading torque of the second motor 9 according to a standard test method of the hysteresis curve, and measuring multiple groups of torque and angle data so as to draw the hysteresis curve.
3. Testing of hysteresis curves: and fixing the input shaft, and testing the output shaft according to a flow of forward loading to 100% rated torque, reverse unloading, then reverse loading to-100% rated torque and forward unloading. The torque is increased or decreased in steps, and the angle of rotation of the output shaft at each torque is recorded. After the test is finished, the data of the hysteresis curve are used for solving the return difference and the backlash, and finally the curve is fitted.
And finally, obtaining the return difference, the tooth clearance and the torsional rigidity of the RV reducer through a hysteresis curve.
In addition, when tests other than the above three tests are performed, the fixing pin 142 needs to be loosened.
Specific testing of angular transfer error:
the second electric machine 9 is operated as a load, i.e. as a generator, and the first electric machine 4 is operated as a drive, i.e. as a motor. The first motor 4 is ensured to run at a low speed, data of the first angle sensor 10 and data of the second angle sensor 13 are read for multiple times simultaneously in the process that the output shaft rotates for a circle, and an angle transmission error can be obtained through data processing.
Specific testing of efficiency:
the second electric machine 9 is operated as a load, i.e. as a generator, and the first electric machine 4 is operated as a drive, i.e. as a motor. The efficiency is calculated by making the second electric machine 9 provide a constant torque output, while reading the values of the first torque sensor 5 and the second torque sensor 7, wherein the rotational speed of the electric machine is read from the motor drive. And finally, changing the rotating speed and the output torque of the motor to draw an efficiency torque curve at different rotating speeds.
Specific test of lifetime:
namely, an overload test method is adopted, the second motor 9 is matched with the second speed reducer 8 to output a numerical value higher than the rated output torque of the tested speed reducer, the motion mode of the motor can be set by a program on an upper computer according to the actual operation mode of the tested speed reducer, the simulation of the working conditions of acceleration, deceleration and uniform speed is realized, and therefore the accelerated life test is carried out.
Starting a torque test:
the second motor 9 is set to be in a power-on and air-release mode, so that the second motor provides zero load, the first motor 4 is used as driving, the first motor 4 is loaded through a certain torque gradient, and after the speed reducer to be tested is changed from a static state to a suddenly rotating state, the first motor 4 stops loading, and meanwhile, numerical values under each torque of the first torque sensor 5 are read, and a torque curve of the speed reducer in the starting process is drawn.
The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.
Claims (10)
1. The utility model provides a high accuracy RV reduction gear integrated test device which characterized in that includes:
the base (1) is provided with a first linear slide rail (11) and a second linear slide rail (12);
the first sliding platform (2) is arranged on the first linear sliding rail (11) and can linearly move along the first linear sliding rail (11);
the second sliding platform (3) is arranged on the second linear sliding rail (12) and can linearly displace along the second linear sliding rail (12), and the RV reducer (6) to be tested is arranged between the first sliding platform (2) and the second sliding platform (3);
the first motor (4) is arranged on the first sliding platform (2);
the first torque sensor (5) is arranged on the first sliding platform (2), one end of the first torque sensor is connected with an output shaft of the first motor (4), and the other end of the first torque sensor is connected with an input shaft of the RV reducer (6) to be tested;
the second motor (9) is arranged on the second sliding platform (3);
one end of the second torque sensor (7) is connected with an output shaft of the RV reducer (6) to be tested, and the other end of the second torque sensor is connected with an output shaft of the second motor (9);
the first angle sensor (10) is arranged on an input shaft of the RV reducer (6) to be tested;
the input shaft support (14) is arranged on the first sliding platform (2), and an input shaft of the RV reducer (6) to be tested penetrates through the input shaft support (14);
the output shaft support (15) is arranged on the base (1), and the output end of the RV reducer (6) to be tested penetrates through the output shaft support (15);
and a second angle sensor (13) provided on the output shaft bracket (15).
2. The comprehensive testing device for the high-precision RV reducer according to claim 1, characterized in that a second reducer (8) is further arranged between the second torque sensor (7) and the second motor (9), one end of the second reducer (8) is connected with the second torque sensor (7), and the other end is connected with an output shaft of the second motor (9).
3. The comprehensive testing device for the high-precision RV reducer according to claim 2 is characterized in that a first motor (4) and a first torque sensor (5), a first torque sensor (5) and the RV reducer to be tested (6), and the RV reducer to be tested (6) and a second reducer (8) are connected through couplings.
4. A high precision comprehensive test device for RV reducers according to claim 1 characterized in that said first torque sensor (5) is a shaft type torque sensor;
the second torque sensor (7) is a double-range torque sensor.
5. The comprehensive test device for the high-precision RV reducer according to claim 1 is characterized in that an input shaft of the RV reducer (6) to be tested is connected with a coupling flat key.
6. The comprehensive testing device for the high-precision RV reducer according to claim 1 is characterized in that a positioning block is arranged on the base (1), and the positioning block can be ejected upwards and pressed against the bottom surface of the first sliding platform (2) and/or the second sliding platform (3), so that the first sliding platform (2) and/or the second sliding platform (3) are horizontally and axially limited.
7. The comprehensive test device for the high-precision RV reducer according to claim 1 is characterized in that a transition flange (16) is arranged on an input shaft of the RV reducer (6) to be tested, and the first angle sensor (10) is arranged on the transition flange (16);
the first angle sensor (10) is a circular grating angle sensor (101) comprising two double reading heads.
8. The comprehensive testing device for the high-precision RV reducer according to claim 7 is characterized in that the arrangement positions of the two circular grating angle sensors (101) form an included angle of 90 degrees with the connecting line of the shaft center.
9. The comprehensive test device for the high-precision RV reducer according to claim 1 is characterized in that two coaxial bearings are arranged in the input shaft support (14), the input shaft of the RV reducer (6) to be tested is sleeved on the inner rings of the two bearings, and the inner rings of the two bearings are fixed on the input shaft support (14).
10. The comprehensive test device for the high-precision RV reducer according to claim 1, characterized in that a limit cover plate (141) is arranged on the input shaft support (14), a through hole and a limit hole are respectively arranged on the limit cover plate (141) and the input shaft of the RV reducer, a fixing pin (142) capable of penetrating through the through hole and the limit hole is movably arranged on the input shaft support, the fixing pin (142) is a taper pin, and the through hole and the limit hole are both taper holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921674735.7U CN211042700U (en) | 2019-09-29 | 2019-09-29 | High-precision RV reducer comprehensive testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921674735.7U CN211042700U (en) | 2019-09-29 | 2019-09-29 | High-precision RV reducer comprehensive testing device |
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| Publication Number | Publication Date |
|---|---|
| CN211042700U true CN211042700U (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921674735.7U Active CN211042700U (en) | 2019-09-29 | 2019-09-29 | High-precision RV reducer comprehensive testing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113237591A (en) * | 2021-05-24 | 2021-08-10 | 浙江环动机器人关节科技有限公司 | Internal friction force measuring device for mounting of rolling needles of cycloidal pin gear speed reducer for robot |
-
2019
- 2019-09-29 CN CN201921674735.7U patent/CN211042700U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113237591A (en) * | 2021-05-24 | 2021-08-10 | 浙江环动机器人关节科技有限公司 | Internal friction force measuring device for mounting of rolling needles of cycloidal pin gear speed reducer for robot |
| CN113237591B (en) * | 2021-05-24 | 2022-04-19 | 浙江环动机器人关节科技有限公司 | Internal friction force measuring device for mounting of rolling needles of cycloidal pin gear speed reducer for robot |
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