CN102607844B - Vertical experiment table for precise performance test of small-tooth-difference planetary reducer - Google Patents
Vertical experiment table for precise performance test of small-tooth-difference planetary reducer Download PDFInfo
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- CN102607844B CN102607844B CN201210103007.7A CN201210103007A CN102607844B CN 102607844 B CN102607844 B CN 102607844B CN 201210103007 A CN201210103007 A CN 201210103007A CN 102607844 B CN102607844 B CN 102607844B
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Abstract
The invention discloses a vertical experiment table for a precise performance test of a small-tooth-difference planetary reducer. The vertical experiment table comprises a mounting bracket, a drive motor, an input end torque instrument, an output end angle encoder, an output end torque instrument and a thrust disc, wherein the drive motor is vertically mounted on the mounting bracket; the input end torque instrument is connected with the output shaft of the drive motor and the input shaft of the tested reducer respectively; the output end angle encoder is connected with the output shaft of the tested reducer; the output end torque instrument is connected with the output shaft of the output end angle encoder; the thrust disc is connected with the output shaft of the output end torque instrument; the drive motor is provided with a motor end angle encoder; and the drive motor and the input end torque instrument are connected through a rigid coupling. By vertically arranging the drive motor, the tested reducer, the output end angle encoder and the output end torque instrument, the vertical experiment table effectively avoids the assembly error caused by gravity, is convenient to mount and debug, is high in degree of automation, high in test precision and great in generality, and can test multiple dynamic characteristics of the tested reducer at the same time.
Description
Technical field
The present invention relates to a kind of speed reduction unit proving installation, concrete is a kind of vertical experiment table for precise performance test of small-tooth-differenplanetary planetary reducer, is mainly used in universal harmonic speed reducer or the performance test of filter speed reducer.
Background technology
Harmonic speed reducer with advantages such as its high precision, low noise, light weight, large speed ratios, and is applied to the precision drive fields such as Aero-Space, instrument and meter, joint of robot, lathe by increasingly extensive.The running status of harmonic speed reducer directly affects the performance of the operation of whole kinematic train.For ensureing its high-accuracy, highly reliable and long-life, this just requires us by the test of the Static and dynamic aspect of necessity and analyzes the runnability grasping speed reduction unit exactly.
Traditional harmonic speed reducer performance test experiment table is all horizontal, and generally can only test one or both dynamic perfromances of speed reduction unit, versatility is not strong.Even if some experiment table can be tested the multiple dynamic perfromance of speed reduction unit, also need repeatedly frock, regulation experiment platform and equipment, time and effort consuming, and be difficult to control installation accuracy.
In view of this, the present invention is intended to explore a kind of vertical experiment table for precise performance test of small-tooth-differenplanetary planetary reducer, and this experiment table not only structure is simple, and can test the multiple dynamic perfromance of speed reduction unit under same frock, and measuring accuracy is higher.
Summary of the invention
The technical problem to be solved in the present invention proposes a kind of vertical experiment table for precise performance test of small-tooth-differenplanetary planetary reducer, this vertical experiment table for precise performance test of small-tooth-differenplanetary planetary reducer not only structure is simple, it is convenient to implement, and can test the multiple dynamic perfromance of speed reduction unit under same frock, measuring accuracy is higher.
Realize above-mentioned technical purpose, vertical experiment table for precise performance test of small-tooth-differenplanetary planetary reducer of the present invention, comprise mounting bracket and rotating shaft all in the drive motor be vertically arranged on described mounting bracket, the input end torque meter be connected with tested reducer input shaft with described drive motor output shaft respectively, the output end angle encoder be connected with tested reducer output shaft, the output terminal torque meter be connected with described output end angle encoder output shaft, the thrust button be connected with the output shaft of described output terminal torque meter, described drive motor is provided with motor side angular encoder, and be connected by positive coupling between described drive motor and input end torque meter.
Further, the inertia load in the rotating shaft be fixedly mounted between described output terminal torque meter and described thrust button is also comprised;
Further, described inertia load is provided with uniform ringwise and at least two quality adjustment holes of installation quality regulating block, described quality adjustment hole is even number;
Further, also comprise the speed reduction unit erecting frame be fixedly mounted on described mounting bracket, described tested speed reduction unit is fixedly mounted on described speed reduction unit erecting frame;
Further, be connected by spring coupling I between the output shaft of described tested speed reduction unit and the input shaft of described output end angle encoder;
Further, the output shaft of described output end angle encoder is connected by spring coupling II with between the input shaft of described output terminal torque meter;
Further, the output shaft of described output terminal torque meter is connected by spring coupling III with between inertia load;
Further, the top-support that described mounting bracket comprises bottom support bracket, be fixedly mounted on intermediate support above described bottom support bracket, be fixedly mounted on the vertical installation tank above described intermediate support and be fixedly mounted on above described vertical installation tank, the middle part of described vertical installation tank is provided with installation dividing plate;
Further, described drive motor is fixedly mounted on the top of described top-support, described input end torque meter is fixedly mounted in described top-support, described speed reduction unit erecting frame is fixedly mounted on the top of described vertical installation tank, described output end angle encoder is fixedly mounted on described central dividing plate, described output terminal torque meter is fixedly mounted in described intermediate support, and described thrust button is fixedly mounted on bottom support bracket.
Beneficial effect of the present invention is:
1, vertical experiment table for precise performance test of small-tooth-differenplanetary planetary reducer of the present invention is by vertically arranging drive motor, tested speed reduction unit, output end angle encoder and output terminal torque meter, effectively prevent the rigging error that gravity causes, Installation and Debugging are convenient, automaticity is high, measuring accuracy is high, highly versatile;
Vertical experiment table for precise performance test of small-tooth-differenplanetary planetary reducer of the present invention can be tested the multiple dynamic perfromance of tested speed reduction unit simultaneously:
1) transmission accuracy test: input, the output terminal angle of being measured tested speed reduction unit by motor side angular encoder and output end angle encoder respectively;
2) return difference and torsional rigidity are tested: fixing speed reduction unit output terminal, and are measured input end angle and the torque of tested speed reduction unit respectively by motor side angular encoder and input end torque meter;
3) transmission efficiency test: input, the output terminal torque of being measured tested speed reduction unit by input end torque meter and output terminal torque meter respectively;
4) No Load Start torque testing: measure the torque of tested speed reduction unit input end by input end torque meter.
2, by arranging inertia load, by the damping action of inertia load, the impact that radio-frequency component causes tested speed reduction unit drive error testing result can be reduced, improving measuring accuracy; By arranging spring coupling respectively between tested speed reduction unit and output end angle encoder, between output end angle encoder and output terminal torque meter and between output terminal torque meter and inertia load, certain damping action can be played, weaken high fdrequency component to output coder transmission, the effect improving measuring accuracy can be played.
Accompanying drawing explanation
Fig. 1 is the structural representation of vertical experiment table for precise performance test of small-tooth-differenplanetary planetary reducer embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.
As shown in Figure 1, be the structural representation of vertical experiment table for precise performance test of small-tooth-differenplanetary planetary reducer embodiment of the present invention.The vertical experiment table for precise performance test of small-tooth-differenplanetary planetary reducer of the present embodiment, comprise mounting bracket and all in the drive motor 2 be vertically arranged on described mounting bracket, the input end torque meter 17 be connected with tested speed reduction unit 5 input shaft with described drive motor 2 output shaft respectively, the output end angle encoder 6 be connected with tested speed reduction unit 5 output shaft, the output terminal torque meter 7 be connected with described output end angle encoder 6 output shaft, the thrust button 9 be connected with the output shaft of described output terminal torque meter 7, drive motor 2, tested speed reduction unit 5, input end torque meter 17, output end angle encoder 6, the rotating shaft of torque meter 7 and thrust button 9 is all in vertically arranging.Described drive motor 2 is provided with motor side angular encoder 1, and is connected by positive coupling 3 between described drive motor 2 and input end torque meter 17.The resolution of the motor side angular encoder 1 of the present embodiment is 0.072 °, and the resolution of output end angle encoder 6 is 0.0018 °, selects high-resolution scrambler to reduce instrument error, improves measuring accuracy.
As shown in the figure, the top-support 18 that described mounting bracket comprises bottom support bracket 12, be fixedly mounted on intermediate support 13 above described bottom support bracket 12, be fixedly mounted on the vertical installation tank 15 above described intermediate support 13 and be fixedly mounted on above described vertical installation tank 15, the middle part of described vertical installation tank 15 is provided with installation dividing plate, adopts the mounting bracket of this structure to facilitate the installation of each functional part.
The vertical experiment table for precise performance test of small-tooth-differenplanetary planetary reducer of the present embodiment is by vertically arranging drive motor 2, tested speed reduction unit 5, output end angle encoder 6 and output terminal torque meter 7, effectively prevent the rigging error that gravity causes, Installation and Debugging are convenient, automaticity is high, measuring accuracy is high, highly versatile.And the vertical experiment table for precise performance test of small-tooth-differenplanetary planetary reducer of the present embodiment can be tested the multiple dynamic perfromance of tested speed reduction unit simultaneously:
1) transmission accuracy test: input, the output terminal angle of being measured tested speed reduction unit 5 by motor side angular encoder 1 and output end angle encoder 6 respectively;
2) return difference and torsional rigidity are tested: the output terminal of fixing speed reduction unit 5, and are measured input end angle and the torque of tested speed reduction unit 5 respectively by motor side angular encoder 1 and input end torque meter 17;
3) transmission efficiency test: input, the output terminal torque of being measured tested speed reduction unit 5 by input end torque meter 17 and output terminal torque meter 7 respectively;
4) No Load Start torque testing: the input end torque of being measured tested speed reduction unit 5 by input end torque meter 17;
Above-mentioned test experiments all carries out under same frock, the alignment error caused when avoiding regulation experiment platform and equipment, and time saving and energy saving, and the installation accuracy of experiment table and equipment is higher, and measuring accuracy is higher accordingly.
Further, the vertical experiment table for precise performance test of small-tooth-differenplanetary planetary reducer of the present embodiment also comprises the speed reduction unit erecting frame 4 be fixedly mounted on described mounting bracket, described tested speed reduction unit 5 is fixedly mounted on described speed reduction unit erecting frame 4, by arranging speed reduction unit erecting frame 4, facilitate tested speed reduction unit 5 to install to change, raise the efficiency.
Further, the vertical experiment table for precise performance test of small-tooth-differenplanetary planetary reducer of the present embodiment also comprises the inertia load 8 in the rotating shaft that is fixedly mounted between described output terminal torque meter 7 and described thrust button 9.As shown in the figure, the inertia load 8 of the present embodiment is in disc, and the two ends up and down of inertia load 8 are respectively equipped with clamping ring 10 and are fixedly mounted in rotating shaft by inertia load 8, prevent inertia load 8 relative sliding.By arranging inertia load 8, by the damping action of inertia load 8, the impact that radio-frequency component causes tested speed reduction unit 5 drive error testing result can be reduced, improving measuring accuracy.Preferably, described inertia load 8 is provided with uniform ringwise and at least two quality adjustment holes of installation quality regulating block 11, described quality adjustment hole is even number, the quantity in the quality adjustment hole of the present embodiment is 6, and with on the center of the inertia load 8 ringwise uniform upper surface being arranged on inertia load 8, adopt the inertia load 8 of this structure, can be regulated the quality of inertia load 8 according to actual condition by quality adjustment block 11, to meet requirement of experiment.
Further, be connected by spring coupling I 14.1 between the output shaft of described tested speed reduction unit 5 and the input shaft of described output end angle encoder 6, be connected by spring coupling II 14.2 between the output shaft of described output end angle encoder 6 and the input shaft of described output terminal torque meter 7, the output shaft of described output terminal torque meter 7 is connected by spring coupling III 14.3 with between inertia load 8.By respectively between tested speed reduction unit 5 and output end angle encoder 6, arrange spring coupling between output end angle encoder 6 and output terminal torque meter 7 and between output terminal torque meter 7 and inertia load 8, certain damping action can be played, weaken high fdrequency component to output coder transmission, the effect improving measuring accuracy can be played.
As shown in the figure, described drive motor 2 is vertically arranged on the top of described top-support 18 by threaded fastener, described input end torque meter 17 is fixedly mounted on the bottom of described top-support 18, described speed reduction unit erecting frame 4 is fixedly mounted on the interior top of described vertical installation tank 15, tested speed reduction unit 5 is fixedly mounted on the lower end of speed reduction unit erecting frame 4, described output end angle encoder 6 is fixedly mounted on described central dividing plate lower end, described output terminal torque meter 7 is fixedly mounted on the interior top of described intermediate support 13, described thrust button 9 is fixedly mounted on the internal partition of bottom support bracket 12.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (9)
1. a vertical experiment table for precise performance test of small-tooth-differenplanetary planetary reducer, it is characterized in that: comprise mounting bracket, rotating shaft is all in the drive motor be vertically arranged on described mounting bracket, the input end torque meter be connected with tested reducer input shaft with described drive motor output shaft respectively, the output end angle encoder be connected with tested reducer output shaft, the output terminal torque meter be connected with described output end angle encoder output shaft, the thrust button be connected with the output shaft of described output terminal torque meter, described drive motor is provided with motor side angular encoder, and be connected by positive coupling between described drive motor and input end torque meter.
2. vertical experiment table for precise performance test of small-tooth-differenplanetary planetary reducer according to claim 1, is characterized in that: also comprise the inertia load in the rotating shaft that is fixedly mounted between described output terminal torque meter and described thrust button.
3. vertical experiment table for precise performance test of small-tooth-differenplanetary planetary reducer according to claim 2, it is characterized in that: described inertia load is provided with uniform ringwise and at least two quality adjustment holes of installation quality regulating block, described quality adjustment hole is even number.
4. the vertical experiment table for precise performance test of small-tooth-differenplanetary planetary reducer according to any one of claim 1-3, it is characterized in that: also comprise the speed reduction unit erecting frame be fixedly mounted on described mounting bracket, described tested speed reduction unit is fixedly mounted on described speed reduction unit erecting frame.
5. vertical experiment table for precise performance test of small-tooth-differenplanetary planetary reducer according to claim 4, is characterized in that: be connected by spring coupling I between the output shaft of described tested speed reduction unit and the input shaft of described output end angle encoder.
6. vertical experiment table for precise performance test of small-tooth-differenplanetary planetary reducer according to claim 5, is characterized in that: the output shaft of described output end angle encoder is connected by spring coupling II with between the input shaft of described output terminal torque meter.
7. vertical experiment table for precise performance test of small-tooth-differenplanetary planetary reducer according to claim 6, is characterized in that: the output shaft of described output terminal torque meter is connected by spring coupling III with between inertia load.
8. vertical experiment table for precise performance test of small-tooth-differenplanetary planetary reducer according to claim 4, it is characterized in that: described mounting bracket comprises bottom support bracket, the top-support that is fixedly mounted on intermediate support above described bottom support bracket, is fixedly mounted on the vertical installation tank above described intermediate support and is fixedly mounted on above described vertical installation tank, and the middle part of described vertical installation tank is provided with installation dividing plate.
9. vertical experiment table for precise performance test of small-tooth-differenplanetary planetary reducer according to claim 8, it is characterized in that: described drive motor is fixedly mounted on the top of described top-support, described input end torque meter is fixedly mounted in described top-support, described speed reduction unit erecting frame is fixedly mounted on the top of described vertical installation tank, described output end angle encoder is fixedly mounted on described central dividing plate, described output terminal torque meter is fixedly mounted in described intermediate support, and described thrust button is fixedly mounted on bottom support bracket.
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