CN111442923A - Starting and braking characteristic testing device for planetary cycloidal reducer - Google Patents
Starting and braking characteristic testing device for planetary cycloidal reducer Download PDFInfo
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- CN111442923A CN111442923A CN202010319023.4A CN202010319023A CN111442923A CN 111442923 A CN111442923 A CN 111442923A CN 202010319023 A CN202010319023 A CN 202010319023A CN 111442923 A CN111442923 A CN 111442923A
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- planetary cycloidal
- cycloidal reducer
- planetary
- reducer
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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
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Abstract
The invention discloses a device for testing the starting and braking characteristics of a planetary cycloidal speed reducer, and belongs to the field of speed reducer testing devices. A planetary cycloidal reducer starting and braking characteristic testing device is characterized in that a workbench is mounted on a machine base and used for placing the planetary cycloidal reducer; the fixture is fixedly arranged on the workbench and used for clamping and fixing the planetary cycloidal reducer; the servo motor is used for driving the planetary cycloidal speed reducer to rotate, and the at least one coupler is used for connecting the output end of the driving mechanism with the input end of the planetary cycloidal speed reducer; the two speed measuring sensors are respectively used for measuring the rotating speed values of the output end and the input end of the planetary cycloidal reducer; the two torque meters are respectively used for measuring torque values of the output end and the input end of the planetary cycloidal reducer; compared with the prior art, the testing device can quickly measure the change of the rotating speed and the torque when the planetary cycloidal reducer is started and braked.
Description
Technical Field
The invention relates to the field of speed reducer testing devices, in particular to a device for testing starting and braking characteristics of a planetary cycloidal speed reducer.
Background
A cycloidal pin gear speed reducer is a novel transmission device which applies a planetary transmission principle and adopts cycloidal pin gear meshing. When the input shaft drives the eccentric sleeve to rotate for one circle, the motion of the cycloidal gear becomes a plane motion with revolution and rotation due to the characteristics of the tooth profile curve on the cycloidal gear and the limitation of the tooth profile curve on the needle gear, when the input shaft rotates for one circle, the eccentric sleeve also rotates for one circle, the cycloidal gear rotates for one tooth in the opposite direction to obtain speed reduction, and then the output mechanism is used for transmitting the low-speed rotation motion of the cycloidal gear to the output shaft through the pin shaft, so that the lower output rotating speed is obtained.
In production use, performance test and academic research, the change of torque, power and rotating speed in the starting and braking processes of the speed reducer is often required to be tested, so that a special test device is required. However, the existing test device is not specially used for the cycloidal pin speed reducer, the speed reducer needs to be installed and fixed, and each test sensor is placed, so that the rapid detection is difficult to complete.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a device for testing the starting and braking characteristics of a planetary cycloidal reducer.
The purpose of the invention can be realized by the following technical scheme:
a planetary cycloid reducer starts and braking characteristic test device includes:
a machine base;
the workbench is arranged on the base and used for placing the planetary cycloidal reducer;
the fixture is fixedly arranged on the workbench and used for clamping and fixing the planetary cycloidal reducer;
a servo motor for driving the planetary cycloidal reducer to rotate,
the shaft coupling is used for connecting the output end of the driving mechanism and the input end of the planetary cycloidal speed reducer;
the two speed measuring sensors are respectively used for measuring the rotating speed values of the output end and the input end of the planetary cycloidal reducer;
the two torque meters are respectively used for measuring torque values of the output end and the input end of the planetary cycloidal reducer;
the braking mechanism is used for braking the output end of the planetary cycloidal reducer;
and the torque meter and the speed measuring sensor are electrically connected with the processor.
Further, still include support and carousel, the shaft coupling is provided with a plurality ofly, and is a plurality of shaft coupling size diverse, support fixed mounting in on the frame, the carousel rotate connect in on the support, the support structure is for making planet cycloid reduction gear's output is selectively with a plurality of shaft coupling coaxial coupling.
Further, the base is fixedly provided with a lifting mechanism, a lifting platform is arranged above the lifting mechanism, the servo motor is fixedly arranged on the lifting platform, and the lifting mechanism is used for driving the lifting platform to ascend and descend in the vertical direction.
Furthermore, the lifting mechanism comprises a shell, a worm wheel, a top plate and a screw rod, wherein the worm wheel is arranged in the shell, the worm is rotationally connected with the shell, and at least one end of the worm extends out of the shell and is connected with an external power source; the worm wheel is meshed with the worm, and the screw is fixedly connected with the screw; the screw rod is in threaded connection with a top block, and the top block stretches into the threaded hole of the top plate and supports the top plate.
Further, the machine base is rotatably connected with a horizontally arranged lead screw, and the lead screw is in threaded connection with the workbench; the workbench is connected with the machine base in a rotating mode through the sliding rail.
Further, a plurality of flanges are fixedly mounted on the rotary table and correspond to the couplers one to one, clamping grooves are formed in the flanges, a plurality of ejector rods are mounted on the support or the base and are connected with the support in a sliding mode, clamping blocks are arranged at one ends, close to the flanges, of the ejector rods, and the clamping blocks correspond to the clamping grooves.
Further, the torque meter is a resistance type torque meter.
The invention has the beneficial effects that:
during start-up and braking, the measurements are input to a processor. Therefore, as long as the fixation of the planetary cycloidal reducer is finished, the change of the real-time rotating speed and the torque can be measured as long as the planetary cycloidal reducer is operated, and a starting and braking characteristic curve is obtained. Through the arrangement, the quick detection of the planetary cycloidal speed reducer can be completed, and people do not need to arrange and install the sensors.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic perspective view of the present application;
fig. 2 is a schematic perspective view of the lifting mechanism of the present application.
The parts corresponding to the reference numerals in the figures are as follows:
1. a machine base; 2. a work table; 3. a servo motor; 4. a support; 5. a turntable; 6. a coupling; 7. a lifting platform; 8. a lifting mechanism; 9. a lead screw; 10. a flange; 11. a top rod; 12. a screw; 13. a housing; 14. a worm; 15. a slide rail; 16. and (7) a top block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1 and 2, a starting and braking characteristic testing device for a planetary cycloidal reducer includes: a machine base 1; the workbench 2 is arranged on the machine base 1 and is used for placing the planetary cycloid speed reducer; the clamp is fixedly arranged on the workbench 2 and used for clamping and fixing the planetary cycloidal reducer; the servo motor 3 is used for driving the planetary cycloid speed reducer to rotate, and the at least one coupler 6 is used for connecting the output end of the driving mechanism and the input end of the planetary cycloid speed reducer; the two speed measuring sensors are respectively used for measuring the rotating speed values of the output end and the input end of the planetary cycloidal reducer; the two torque meters are respectively used for measuring torque values of the output end and the input end of the planetary cycloidal reducer; the braking mechanism is used for braking the output end of the planetary cycloidal reducer; the processor, the torque meter and the speed measuring sensor are electrically connected with the processor.
The use principle of the invention is explained in detail below, before detection, the planetary cycloidal reducer is placed on the workbench 2, the planetary cycloidal reducer is fixed by a clamp, and then the output end of the servo motor 3 is connected with the input end of the planetary cycloidal reducer through the coupler 6. When the servo motor 3 is started, the input end of the planetary cycloid speed reducer is driven to rotate, so that the output end of the planetary cycloid speed reducer is driven to rotate, the speed measuring sensor measures the rotating speed values of the output end and the input end of the planetary cycloid speed reducer and is used for measuring the torque values of the output end and the input end of the planetary cycloid speed reducer, and in the starting and braking processes, the measuring result is input to the processor. Therefore, as long as the fixation of the planetary cycloidal reducer is finished, the change of the real-time rotating speed and the torque can be measured as long as the planetary cycloidal reducer is operated, and a starting and braking characteristic curve is obtained. Through the arrangement, the quick detection of the planetary cycloidal speed reducer can be completed, and people do not need to arrange and install the sensors.
Further, this device still includes support 4 and carousel 5, and the shaft coupling 6 is provided with a plurality ofly, and a plurality of 6 size diverse of shaft coupling, support 4 fixed mounting are on frame 1, and carousel 5 rotates to be connected on support 4, and support 4 structure makes the output of planet cycloid reduction gear selectively with a plurality of 6 coaxial coupling of shaft coupling. Through this kind of setting, can be through rotatory carousel 5, the shaft coupling 6 of different sizes is switched fast.
Further, a plurality of flanges 10 are fixedly mounted on the turntable 5, the plurality of flanges 10 are in one-to-one correspondence with the plurality of couplers 6 respectively, clamping grooves are formed in the flanges 10, a plurality of ejector rods 11 are mounted on the support 4 or the base, the plurality of ejector rods 11 are in sliding connection with the support 4, clamping blocks are arranged at one ends, close to the flanges 10, of the ejector rods 11, and the clamping blocks correspond to the clamping grooves. The operator can push the mandril 11 to clamp the clamping block and the clamping groove together, and then the rotating disc 5 can be fixed.
Further, the base 1 is fixedly provided with a lifting mechanism 8, a lifting platform 7 is arranged above the lifting mechanism 8, the servo motor 3 is fixedly arranged on the lifting platform 7, and the lifting mechanism 8 is used for driving the lifting platform 7 to ascend and descend in the vertical direction, so that the relative position of the workbench 2 and the servo motor 3 is adjusted.
Furthermore, the lifting mechanism 8 comprises a shell 13, a worm 14, a worm wheel, a top plate and a screw 12, wherein the worm wheel is arranged in the shell 13, the worm 14 is rotatably connected with the shell 13, and at least one end of the worm 14 extends out of the shell 13 and is connected with an external power source; the worm wheel is meshed with the worm 14, and the screw 12 is fixedly connected with the screw 12; the screw 12 is connected with a top block 16 in a threaded manner, and the top block 16 extends into a threaded hole of the top plate and supports the top plate. Thus, the worm 14 is driven to lift the top plate and adjust the lifting height. The worm gear 14 can provide a large torque and has a self-locking characteristic.
Further, the base 1 is rotatably connected with a horizontally arranged lead screw 9, and the lead screw 9 is in threaded connection with the workbench 2; the machine base 1 is provided with a horizontal arrangement on a sliding rail 15, the workbench 2 is rotatably connected with the machine base 1 through the sliding rail 15, and the horizontal position of the workbench 2 can be adjusted by rotating the lead screw 9.
The torquer is a resistance type torquer, and the structure is more compact.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (7)
1. The utility model provides a planet cycloid reduction gear starts and braking characteristic test device which characterized in that includes:
a machine base (1);
the workbench (2) is arranged on the base (1) and is used for placing the planetary cycloidal reducer;
the fixture is fixedly arranged on the workbench (2) and used for clamping and fixing the planetary cycloidal reducer;
a servo motor (3) for driving the planetary cycloidal reducer to rotate,
at least one coupling (6) for connecting the output of the drive mechanism with the input of the planetary cycloidal reducer;
the two speed measuring sensors are respectively used for measuring the rotating speed values of the output end and the input end of the planetary cycloidal reducer;
the two torque meters are respectively used for measuring torque values of the output end and the input end of the planetary cycloidal reducer;
the braking mechanism is used for braking the output end of the planetary cycloidal reducer;
and the torque meter and the speed measuring sensor are electrically connected with the processor.
2. A planetary cycloidal reducer starting and braking characteristic testing device according to claim 1, further comprising a plurality of supports (4) and a plurality of rotating discs (5), wherein the plurality of couplings (6) are provided, the sizes of the plurality of couplings (6) are different, the supports (4) are fixedly installed on the base (1), the rotating discs (5) are rotatably connected to the supports (4), and the supports (4) are configured to enable the output ends of the planetary cycloidal reducer to be selectively coaxially connected with the plurality of couplings (6).
3. A planetary cycloidal reducer starting and braking characteristic testing device according to claim 1, wherein a lifting mechanism (8) is fixedly installed on the machine base (1), a lifting table (7) is arranged above the lifting mechanism (8), the servo motor (3) is fixedly installed on the lifting table (7), and the lifting mechanism (8) is used for driving the lifting table (7) to ascend and descend in a vertical direction.
4. The starting and braking characteristic test device of the planetary cycloidal reducer according to claim 1, wherein the lifting mechanism (8) comprises a shell (13), a worm (14), a worm wheel, a top plate and a screw (12), the worm wheel is arranged in the shell (13), the worm (14) is rotatably connected with the shell (13), and at least one end of the worm (14) protrudes out of the shell (13) and is connected with an external power source; the worm wheel is meshed with the worm (14), and the screw (12) is fixedly connected with the screw (12); the screw rod (12) is connected with a top block (16) in a threaded mode, and the top block (16) stretches into a threaded hole of the top plate and supports the top plate.
5. The starting and braking characteristic testing device of the planetary cycloidal reducer according to claim 1, wherein a horizontally arranged lead screw (9) is rotatably connected to the base (1), and the lead screw (9) is in threaded connection with the working table (2); be equipped with the level on frame (1) and arrange in slide rail (15), workstation (2) pass through slide rail (15) with frame (1) rotates to be connected.
6. The starting and braking characteristic testing device of the planetary cycloidal reducer according to claim 2, wherein a plurality of flanges (10) are fixedly mounted on the turntable (5), the plurality of flanges (10) are respectively in one-to-one correspondence with the plurality of couplers (6), a clamping groove is formed in each flange (10), a plurality of ejector rods (11) are mounted on the bracket (4) or the base, the plurality of ejector rods (11) are slidably connected with the bracket (4), and a clamping block is arranged at one end, close to the flange (10), of each ejector rod (11) and corresponds to the clamping groove.
7. The starting and braking characteristic testing device of the planetary cycloidal reducer according to claim 1, wherein the torque meter is a resistance type torque meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010319023.4A CN111442923A (en) | 2020-04-21 | 2020-04-21 | Starting and braking characteristic testing device for planetary cycloidal reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010319023.4A CN111442923A (en) | 2020-04-21 | 2020-04-21 | Starting and braking characteristic testing device for planetary cycloidal reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111442923A true CN111442923A (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010319023.4A Pending CN111442923A (en) | 2020-04-21 | 2020-04-21 | Starting and braking characteristic testing device for planetary cycloidal reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111442923A (en) |
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2020
- 2020-04-21 CN CN202010319023.4A patent/CN111442923A/en active Pending
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