CN114623965A - Torque testing device of direct current brushless motor - Google Patents
Torque testing device of direct current brushless motor Download PDFInfo
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- CN114623965A CN114623965A CN202210222206.3A CN202210222206A CN114623965A CN 114623965 A CN114623965 A CN 114623965A CN 202210222206 A CN202210222206 A CN 202210222206A CN 114623965 A CN114623965 A CN 114623965A
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- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
- G01L5/0042—Force sensors associated with force applying means applying a torque
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Abstract
The invention discloses a torque testing device of a brushless DC motor, which comprises the brushless DC motor, wherein a testing mechanism is arranged at the bottom of the brushless DC motor, a rotary auxiliary mechanism is arranged on the outer surface of the brushless DC motor, the testing mechanism comprises a testing base lapped at the bottom of the brushless DC motor, the top of the testing base is connected with a static torque testing block and a dynamic torque testing block in a sliding manner, the interior of the static torque testing block is fixedly connected with a pressure sensor, and the interior of the static torque testing block is rotatably connected with a rotary sleeve; after the dynamic torque and the static torque of the brushless direct current motor are measured through the testing mechanism, the auxiliary motor is started to drive the rotating platform to rotate clockwise, the brushless direct current motor is rotated to a position parallel to the dynamic torque testing block, the brushless direct current motor is conveniently restored to the position where dynamic detection is carried out, and the automatic restoration effect is achieved.
Description
Technical Field
The invention relates to the technical field of torque testing, in particular to a torque testing device of a direct-current brushless motor.
Background
At present, the torque detection process is divided into static torque detection and dynamic torque detection, when the static torque is detected, a measuring body of the static torque does not participate in relative motion, the measuring body of the dynamic torque generally participates in relative motion, when the torque of the direct current brushless motor is detected, the torque is generally detected in a form of measuring a counter torque, but in the traditional torque detection process, a torque test sensor is required to be used for measuring the torque for many times, the auxiliary device of the torque test sensor is required to be manually restored for many times during the period, the motor is repeatedly measured, and therefore the torque test efficiency is reduced.
Therefore, a torque testing device of the brushless DC motor is provided.
Disclosure of Invention
The invention aims to provide a torque testing device of a direct current brushless motor, which aims to solve the problem that the torque testing efficiency is reduced because auxiliary equipment of a torque testing sensor needs to be manually restored for multiple times when the traditional direct current brushless motor is used for testing torque.
In order to achieve the purpose, the invention provides the following technical scheme: a torque testing device of a brushless DC motor comprises the brushless DC motor, wherein a testing mechanism is arranged at the bottom of the brushless DC motor, and a rotation auxiliary mechanism is arranged on the outer surface of the brushless DC motor;
the testing mechanism comprises a testing base lapped at the bottom of the brushless direct current motor, the top of the testing base is connected with a static torque testing block and a dynamic torque testing block in a sliding manner, the inside of the static torque testing block is fixedly connected with a pressure sensor, the inside of the static torque testing block is rotatably connected with a rotating sleeve, the front of the rotating sleeve is fixedly connected with a rotating rod, the bottom of the rotating rod is lapped with the front of the pressure sensor, the inside of the dynamic torque testing block is fixedly connected with a dynamic torque testing sensor, and an output shaft of the dynamic torque testing sensor is sleeved with a rotating load;
rotatory complementary unit includes fixed connection in the auxiliary motor of test base bottom and rotates the revolving stage of connecting in the test base inside to and fixed connection in the meshing rack of test base bottom, just the bottom of meshing rack meshes with auxiliary motor's top mutually.
Preferably, an output shaft of the brushless dc motor is fixedly connected with a socket gear, a detection wheel is sleeved on the outer surface of the socket gear, a socket hole is formed in the detection wheel, and a protection mechanism is arranged on the outer surface of the brushless dc motor.
Preferably, protection mechanism is including cup jointing in the stabilizing sleeve of brushless DC motor surface, stabilizing telescopic inside fixedly connected with temperature sensor, just stabilizing telescopic inside fixedly connected with heat conduction cover, the right side and the temperature sensor acceptance phase joint of heat conduction cover, the right side of heat conduction cover is provided with radiator fan, radiator fan's right side meshing has the transmission shaft, the top and the bottom fixedly connected with heat dissipation gear of transmission shaft.
Preferably, the inside sliding connection who stabilizes the sleeve has the diameter to adjust the slider, just the inside sliding connection of diameter adjustment slider has the regulation rope, just both ends winding has the regulation pivot around the regulation rope, the left and right sides fixedly connected with fixed gear of regulation pivot, just the surface of adjusting the pivot has cup jointed and has stabilized the slider, stabilize the inside of slider and seted up and stabilize the hole of cup jointing, stabilize the aperture of cup jointing the hole and the diameter looks adaptation of fixed gear.
Preferably, the sliding tray has been seted up at the top of test base, just the inside fixedly connected with compression spring of sliding tray, compression spring is close to the inboard of revolving stage and the outside looks joint of static torque test piece and dynamic torque test piece, the bottom fixedly connected with of test base blocks the pole.
Preferably, the inside fixedly connected with joint pole of rotating the sleeve, just joint pole surface and the inner wall looks joint of cup jointing the hole.
Preferably, the inside of the dynamic torque test sensor is rotatably connected with a test rod, the right side of the test rod is clamped with the inner wall of the sleeving hole, and the left side of the test rod is sleeved with the rotary load.
Preferably, auxiliary motor's output shaft fixedly connected with dwang, the outer fixed surface of dwang is connected with rotating gear and heat dissipation master gear, the dwang surface is connected with the inner wall rotation that blocks the pole, the heat dissipation master gear with the gear mesh that dispels the heat mutually.
Preferably, the outside fixedly connected with of revolving stage rotates the ring, just the inner wall rotation connection of rotating ring and test base, the joint groove has been seted up at the top of revolving stage, just the top in joint groove and the bottom looks joint of stabilizing the sleeve.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention designs the mutual cooperation of the auxiliary motor, the rotating platform, the meshing rack and other devices, after the dynamic torque and the static torque of the brushless DC motor are measured by the testing mechanism, starting the auxiliary motor to drive the rotating platform to rotate clockwise, rotating the brushless DC motor to a position parallel to the dynamic torque testing block, so as to conveniently restore the brushless DC motor to the position for dynamic detection, achieve the effect of automatic restoration, thereby solving the problem that the torque testing efficiency is reduced because the auxiliary equipment of the torque testing sensor needs to be manually restored for a plurality of times when the traditional direct current brushless motor is used for testing the torque, meanwhile, the rotary table can be driven to rotate by the fixed auxiliary motor, and the rotary table is rotated to be detected in a corresponding state, so that corresponding torque detection can be conveniently performed on the brushless direct current motor;
2. according to the invention, by designing the auxiliary motor, the rotating platform, the rotating rod and other devices to be mutually matched, when the brushless direct current motor is detected through the static torque testing block, the rotating rod is driven to rotate by the auxiliary motor, so that the rotating platform is driven to rotate anticlockwise, the rotating rod is rotated into the rotating groove of the blocking rod, and then the radiating fan is driven to rotate through the engagement between the radiating main gear and the radiating gear, so that the phenomenon that when the static torque of the brushless direct current motor is tested, the internal circuit power of the brushless motor is converted into the internal energy of the motor due to the fact that the motor cannot rotate, the internal parts of the brushless motor are burnt out, and meanwhile, the effect of automatically controlling the radiating fan to radiate heat can be achieved through the whole-process driving of the auxiliary motor;
3. according to the invention, through designing the mutual matching of the static torque testing block, the pressure sensor, the rotating sleeve and other devices, under the condition that the brushless direct current motor is rotated to be vertical to the dynamic torque testing block through the rotation auxiliary mechanism, the static torque testing block slides to the front side of the brushless direct current motor, the clamping rod is clamped inside the sleeving hole, and the output shaft of the brushless direct current motor is clamped with the rotating sleeve, so that when the pressure sensor is extruded by the rotating rod, the static torsion force of the brushless direct current motor at the moment is obtained through the pressure sensor, and then the static torsion force is multiplied by the force arm to obtain the torque of the brushless direct current motor at the moment, thereby achieving the effect of conveniently detecting the static torque of the brushless direct current motor;
4. according to the invention, through designing the mutual cooperation of the dynamic torque test block, the dynamic torque test sensor, the test rod and other devices, when the dynamic torque of the brushless direct current motor needs to be detected, the brushless direct current motor is rotated to a state horizontal to the dynamic torque test block through the auxiliary motor, then the test rod is sleeved in the sleeving hole through sliding the dynamic torque test block, and then when the brushless direct current motor is started, the torque of the brushless direct current motor is measured through the dynamic torque test sensor, so that the effect of conveniently measuring the dynamic torque of the brushless direct current motor is achieved;
5. according to the invention, through the design that the stabilizing sleeve, the diameter adjusting slide block, the adjusting rope and other devices are matched with each other, when the torque of the brushless direct current motor needs to be detected, the brushless direct current motor can be sleeved in the stabilizing sleeve, then the adjusting rotating shaft is driven to rotate through the fixed gear, the adjusting rope is tightened, so that the diameter adjusting slide block is driven to slide inwards, the outer surface of the brushless direct current motor is clamped, then the rotating direction of the fixed gear is fixed by sleeving the stabilizing slide block on the outer surface of the fixed gear, and therefore, the effect of conveniently adjusting the sleeving diameter of the motor in the stabilizing sleeve is achieved, and the brushless direct current motors with different diameters can be clamped quickly;
6. according to the invention, through the design that the temperature sensor, the heat conduction cover, the cooling fan and other devices are mutually matched, when the static torque of the brushless direct current motor is detected, the hidden danger that the internal parts are damaged because the rotation of the output shaft of the brushless direct current motor is limited and the internal parts are increased and the useless work is too large, the temperature of the brushless direct current motor is rapidly increased due to the fact that the internal parts are attached to the outer surface of the motor, so that the temperature increased by the motor can be conducted to the temperature sensor, the temperature of the motor can be monitored in real time, the heat of the motor can be dissipated through the cooling fan when the motor is overheated, the test is stopped at the same time, the effect of protecting the brushless direct current motor is achieved, and the test safety is improved.
Drawings
FIG. 1 is a top view of the overall structure of the present invention;
FIG. 2 is a side cross-sectional view of a static torque test of the brushless DC motor according to the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 2;
FIG. 4 is a cross-sectional view of a stabilization sleeve configuration of the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 4 at B in accordance with the present invention;
FIG. 6 is a cross-sectional view of a stabilizing slide construction of the present invention;
FIG. 7 is a top view of the connection of the adjustment cord to the diameter adjustment slide of the present invention;
FIG. 8 is a perspective view of the diameter adjustment slide of the present invention;
FIG. 9 is a left side view of the test wheel construction of the present invention;
fig. 10 is a right side view of the test wheel structure of the present invention.
In the figure:
1. a brushless DC motor; 11. sleeving a gear; 12. detecting a wheel; 13. sleeving a hole; 2. a testing mechanism; 21. a test base; 211. a sliding groove; 212. a compression spring; 213. a blocking rod; 22. a static torque test block; 23. a dynamic torque test block; 24. a pressure sensor; 25. rotating the sleeve; 251. a clamping and connecting rod; 26. rotating the rod; 27. a dynamic torque test sensor; 271. a test rod; 28. rotating the load; 3. a rotation assist mechanism; 31. an auxiliary motor; 311. rotating the rod; 312. a rotating gear; 313. a heat dissipation main gear; 32. a rotating table; 321. rotating the circular ring; 322. a clamping groove; 33. meshing the racks; 4. a protection mechanism; 41. a stabilizing sleeve; 411. a diameter adjusting slider; 412. adjusting the rope; 413. adjusting the rotating shaft; 414. fixing a gear; 415. stabilizing the slide block; 4151. stabilizing the sleeving hole; 42. a temperature sensor; 43. a heat conducting cover; 44. a heat radiation fan; 45. a drive shaft; 451. a heat dissipation gear.
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.
Referring to fig. 1 to 10, the present invention provides a technical solution:
a torque testing device of a brushless DC motor comprises a brushless DC motor 1, wherein a testing mechanism 2 is arranged at the bottom of the brushless DC motor 1, and a rotation auxiliary mechanism 3 is arranged on the outer surface of the brushless DC motor 1;
the testing mechanism 2 comprises a testing base 21 lapped at the bottom of the brushless direct current motor 1, the top of the testing base 21 is connected with a static torque testing block 22 and a dynamic torque testing block 23 in a sliding manner, the inside of the static torque testing block 22 is fixedly connected with a pressure sensor 24, the inside of the static torque testing block 22 is rotatably connected with a rotating sleeve 25, the front of the rotating sleeve 25 is fixedly connected with a rotating rod 26, the bottom of the rotating rod 26 is lapped with the front of the pressure sensor 24, the inside of the dynamic torque testing block 23 is fixedly connected with a dynamic torque testing sensor 27, and an output shaft of the dynamic torque testing sensor 27 is sleeved with a rotating load 28;
the during operation, rotate brushless DC motor 1 through rotatory complementary unit 3 under the state perpendicular with dynamic torque test piece 23, through sliding the front of brushless DC motor 1 with static torque test piece 22, inside cup jointing hole 13 with joint pole 251 joint, with the output shaft and the rotation sleeve 25 looks joint of brushless DC motor 1, make when rotary rod 26 extrusion pressure sensor 24, obtain brushless DC motor 1's static torsional force this moment through pressure sensor 24, multiply the moment arm again and obtain brushless DC motor 1's moment of torsion this moment, thereby reach the convenient effect that detects brushless DC motor 1 static moment of torsion.
When the dynamic torque to brushless DC motor 1 is examined at needs simultaneously, rotate brushless DC motor 1 through auxiliary motor 31 to with the state of dynamic torque test piece 23 horizontally, then through slip dynamic torque test piece 23, cup joint test rod 271 in the inside of cup jointing hole 13, then when brushless DC motor 1 starts, it begins rotatoryly to drive rotatory load 28, then measure the moment of torsion on the test rod 271 through dynamic torque test sensor 27, with the moment size when knowing brushless DC motor 1 dynamic rotation, reach the effect of convenient measurement brushless DC motor 1 dynamic torque.
The rotation assisting mechanism 3 includes an assisting motor 31 fixedly connected to the bottom of the test base 21, a rotating table 32 rotatably connected to the inside of the test base 21, and an engaging rack 33 fixedly connected to the bottom of the test base 21, and the bottom of the engaging rack 33 is engaged with the top of the assisting motor 31.
In operation, when the brushless dc motor 1 is tested by the static torque testing block 22, the rotation rod 311 is driven by the auxiliary motor 31 to rotate, so as to drive the rotation platform 32 to rotate counterclockwise, the rotation rod 311 is rotated into the rotation groove of the blocking rod 213, and then the heat dissipation main gear 313 and the heat dissipation gear 451 are engaged with each other to drive the heat dissipation fan 44 to rotate, thereby avoiding the problem that the internal circuit power of the brushless dc motor is converted into the internal energy of the motor due to the incapability of rotating the motor when the static torque of the brushless dc motor 1 is tested, burning out the internal components of the brushless dc motor, and achieving the effect of automatically controlling the heat dissipation fan 44 to dissipate heat through the whole-process driving of the auxiliary motor 31.
Meanwhile, after the dynamic torque and the static torque of the brushless direct current motor 1 are measured through the testing mechanism 2, the auxiliary motor 31 is started to drive the rotating platform 32 to rotate clockwise, the brushless direct current motor 1 is rotated to a position parallel to the dynamic torque testing block 23, so that the brushless direct current motor 1 is conveniently restored to the position for dynamic detection, and an automatic restoration effect is achieved, and therefore the problem that torque testing efficiency is reduced due to the fact that the traditional direct current brushless motor mentioned in the background technology needs to manually restore torque testing sensor auxiliary equipment for multiple times when testing torque is solved, meanwhile, the rotating platform 32 can be driven to rotate through the auxiliary motor 31 to detect the torque under the corresponding state, and corresponding torque detection is conveniently performed on the brushless direct current motor 1.
As an embodiment of the present invention, as shown in fig. 2, 9 and 10, a socket gear 11 is fixedly connected to an output shaft of the brushless dc motor 1, a detection wheel 12 is sleeved on an outer surface of the socket gear 11, a socket hole 13 is formed inside the detection wheel 12, and a protection mechanism 4 is disposed on an outer surface of the brushless dc motor 1.
During operation, when the brushless direct current motors 1 with different diameters are used for torque detection, the detection wheels 12 with different apertures can be selected to be sleeved on the outer surface of the sleeved gear 11, so that the detection wheels 12 can be conveniently sleeved in transmission parts for dynamic torque detection and static torque detection through the sleeved holes 13 in the follow-up process.
As an embodiment of the present invention, as shown in fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7, the protection mechanism 4 includes a stabilization sleeve 41 sleeved on an outer surface of the brushless dc motor 1, a temperature sensor 42 is fixedly connected inside the stabilization sleeve 41, a heat conduction cover 43 is fixedly connected inside the stabilization sleeve 41, a right side of the heat conduction cover 43 is connected to a receiving end of the temperature sensor 42 in a snap-fit manner, a heat dissipation fan 44 is disposed on a right side of the heat conduction cover 43, a transmission shaft 45 is engaged with the right side of the heat dissipation fan 44, and heat dissipation gears 451 are fixedly connected to a top and a bottom of the transmission shaft 45.
The during operation, when detecting brushless DC motor 1's static moment of torsion, because the rotation of restriction brushless DC motor 1 output shaft, can have to increase the internals because useless work is too big, lead to the inside rapid heating up of brushless DC motor 1, the hidden danger of internals damage that is, the surface at the motor is laminated to heat conduction cover 43 through copper, thereby can conduct the temperature that the motor heaied up to temperature sensor 42 department, carry out real-time supervision to motor temperature, so that when the motor is overheated, dispel the heat to it through radiator fan 44, the while stops the test, reach the effect of protection brushless DC motor 1, improve test safety.
As an embodiment of the present invention, as shown in fig. 3, fig. 4, fig. 5, and fig. 6, a diameter adjusting slider 411 is slidably connected to an inside of the stabilizing sleeve 41, an adjusting rope 412 is slidably connected to an inside of the diameter adjusting slider 411, adjusting rotating shafts 413 are wound around front and rear ends of the adjusting rope 412, fixed gears 414 are fixedly connected to left and right sides of the adjusting rotating shafts 413, a stabilizing slider 415 is sleeved on an outer surface of the adjusting rotating shafts 413, a stabilizing sleeving hole 4151 is formed inside the stabilizing slider 415, and a diameter of the stabilizing sleeving hole 4151 is adapted to a diameter of the fixed gear 414.
The during operation, when needs examine brushless DC motor 1 moment of torsion, can cup joint brushless DC motor 1 to the inside of stabilizing sleeve 41, then through fixed gear 414, it begins to rotate to drive regulation pivot 413, it tightens up to adjust rope 412, thereby it slides to the inboard to drive diameter adjustment slider 411, carry out the joint to brushless DC motor 1's surface, then cup joint at fixed gear 414's surface through stabilizing slider 415, the direction of rotation to fixed gear 414 is fixed, thereby reach the effect that convenient regulation stabilizing sleeve 41 inside motor cup jointed the diameter, the convenience carries out quick joint to brushless DC motor 1 of different diameters.
As an embodiment of the present invention, as shown in fig. 1 and fig. 2, a sliding groove 211 is formed at the top of the test base 21, a compression spring 212 is fixedly connected inside the sliding groove 211, the compression spring 212 is adjacent to the inner side of the rotary table 32 and is clamped with the outer sides of the static torque test block 22 and the dynamic torque test block 23, a clamping rod 251 is fixedly connected inside the rotary sleeve 25, the outer surface of the clamping rod 251 is clamped with the inner wall of the socket hole 13, a test rod 271 is rotatably connected inside the dynamic torque test sensor 27, the right side of the test rod 271 is clamped with the inner wall of the socket hole 13, the left side of the test rod 271 is socket connected with the rotary load 28, and a blocking rod 213 is fixedly connected to the bottom of the test base 21.
During operation, through static moment of torsion test piece 22 or dynamic moment of torsion test piece 23 of sliding to the outside to conveniently drive revolving stage 32 through auxiliary motor 31 and rotate suitable position, drive static moment of torsion test piece 22 and dynamic moment of torsion test piece 23 through compression spring 212 and slide to the inside and can cup joint clamping rod 251 and test rod 271 in detection wheel 12, accomplish test module's equipment operation.
Meanwhile, when the static torque of the brushless dc motor 1 needs to be detected, the auxiliary motor 31 can drive the rotating rod 311 to rotate, then the rotating gear 312 is engaged with the engaging rack 33 to drive the rotating platform 32 to rotate until the brushless dc motor 1 is perpendicular to the dynamic torque testing block 23, the rotating rod 311 is just clamped inside the blocking rod 213, and then the rotating rod is sleeved inside the testing wheel 12 through the clamping rod 251 to fix the rotating angle of the rotating platform 32, so that the heat dissipation gear 451 can be driven by the heat dissipation main gear 313 to rotate, the heat dissipation fan 44 is driven to rotate, the heat dissipation is performed inside the stabilizing sleeve 41, and the accelerated loss of internal components caused by the untimely heat dissipation due to the overload of the brushless dc motor 1 is avoided.
As an embodiment of the present invention, as shown in fig. 1 and 2, an output shaft of the auxiliary motor 31 is fixedly connected with a rotating rod 311, an outer surface of the rotating rod 311 is fixedly connected with a rotating gear 312 and a heat dissipation main gear 313, an outer surface of the rotating rod 311 is rotatably connected with an inner wall of the blocking rod 213, and the heat dissipation main gear 313 is engaged with the heat dissipation gear 451.
In operation, when detecting the brushless dc motor 1 through the static torque testing block 22, the rotating rod 311 is driven to rotate by the auxiliary motor 31, thereby driving the rotating platform 32 to rotate counterclockwise, the rotating rod 311 is rotated into the rotating groove of the blocking rod 213, and then the heat dissipation main gear 313 and the heat dissipation gear 451 are engaged with each other, thereby driving the heat dissipation fan 44 to rotate, avoiding the problem that the internal circuit power of the brushless motor is converted into the internal energy of the motor due to the incapability of rotating the motor when testing the static torque of the brushless dc motor 1, burning the internal components of the brushless motor, and simultaneously, the automatic control of the heat dissipation fan 44 can be achieved through the whole-course driving of the auxiliary motor 31.
As an embodiment of the present invention, as shown in fig. 2, a rotating ring 321 is fixedly connected to an outer side of the rotating platform 32, the rotating ring 321 is rotatably connected to an inner wall of the test base 21, a clamping groove 322 is formed at a top of the rotating platform 32, and the top of the clamping groove 322 is clamped to a bottom of the stabilizing sleeve 41.
The during operation, when revolving stage 32 rotates, be connected through the rotation that rotates ring 321 and test base 21 inner wall, can stabilize revolving stage 32's rotation, simultaneously when needs carry out the moment test to brushless DC motor 1, can be through cup jointing stabilizing sleeve 41 inside with the motor, will stabilize sleeve 41 joint inside to joint groove 322 after that to detect the moment of brushless DC motor 1 output shaft on next step.
The working principle is as follows: when the brushless direct current motor testing device works, a tester sleeves the detection wheel 12 on the surface of the sleeve gear 11, and a gear groove formed in the detection wheel 12 can be meshed with the outer surface of the sleeve gear 11, so that the torque generated when the brushless direct current motor 1 rotates can be transmitted to the detection wheel 12, and the torque of the brushless direct current motor 1 can be tested more accurately at a torque testing position;
based on the above, when the brushless dc motors 1 with different diameters are used for torque detection, the detection wheels 12 with different apertures can be selected to be sleeved on the outer surface of the sleeve gear 11, so that the detection wheels 12 can be conveniently sleeved in the transmission parts for dynamic torque detection and static torque detection through the sleeve holes 13 in the subsequent process;
based on the above, before testing 1 moment of torsion of brushless dc motor through accredited testing organization 2, need stabilize brushless dc motor 1 through protection machanism 4, specifically do: after the brushless direct current motor 1 is sleeved inside the stabilizing sleeve 41, the adjusting rotating shaft 413 is driven to rotate through the fixed gear 414, the adjusting rope 412 is tightened, the diameter adjusting slider 411 is driven to slide inwards, the outer surface of the brushless direct current motor 1 is clamped, then the stabilizing slider 415 is sleeved on the outer surface of the fixed gear 414, two stabilizing sleeve holes 4151 are formed inside the stabilizing slider 415, the stabilizing sleeve holes 4151 are sleeved with the fixed gear 414 temporarily fixed in the rotating direction, gear grooves are formed inside the stabilizing sleeve holes 4151 and can be meshed with the fixed gear 414, and the rotating direction of the fixed gear 414 is fixed, so that the effect of conveniently adjusting the sleeve diameter of the motor inside the stabilizing sleeve 41 is achieved, and the brushless direct current motors 1 with different diameters can be clamped quickly;
based on the above, when the static torque of the brushless dc motor 1 is detected, because the rotation of the output shaft of the brushless dc motor 1 is limited, there is a hidden danger that the internal components are damaged due to the fact that the internal components are increased and the temperature of the brushless dc motor 1 is rapidly raised due to excessive useless work, and the copper heat conduction cover 43 is attached to the outer surface of the motor, so that the temperature raised by the motor can be conducted to the temperature sensor 42, the temperature of the motor can be monitored in real time, the heat of the motor can be dissipated through the heat dissipation fan 44 when the motor is overheated, and the test is stopped at the same time, so that the effect of protecting the brushless dc motor 1 is achieved, and the test safety is improved;
based on the above, when the static torque of the brushless dc motor 1 needs to be detected, the auxiliary motor 31 can drive the rotating rod 311 to start rotating, and then the rotating gear 312 is engaged with the engaging rack 33 to drive the rotating platform 32 to start rotating, until the brushless dc motor 1 is perpendicular to the dynamic torque testing block 23, the static torque testing block 22 slides on the top of the rotating platform 32, so that the compression spring 212 pushes the static torque testing block 22 to slide outwards, and the clamping rod 251 fixedly connected to the inside of the rotating sleeve 25 is clamped into the sleeving hole 13 inside the detection wheel 12, thereby completing the component assembling operation during the static torque testing;
based on the above, the rotation assisting mechanism 3 rotates the brushless dc motor 1, two gears having different diameters are fixedly connected to the outer surface of the rotating lever 311, the diameter of the heat-dissipating main gear 313 is larger than the diameter of the rotating gear 312, when the rotating gear 312 is engaged with the engaging rack 33, the rotating platform 32 is driven to rotate, so that when the rotating platform 32 rotates to be perpendicular to the dynamic torque testing block 23, the rotating rod 311 is just clamped inside the blocking rod 213, and then is sleeved inside the testing wheel 12 through the clamping rod 251, the rotation angle of the rotating platform 32 is fixed, so that the heat dissipation gear 451 can be driven to rotate by the heat dissipation main gear 313, the heat dissipation fan 44 can be driven to rotate, the heat dissipation is carried out on the interior of the stabilizing sleeve 41, so that the phenomenon that the loss of internal parts is accelerated due to the fact that the brushless direct current motor 1 is overloaded and the heat dissipation is not timely is avoided;
based on the above, when the brushless dc motor 1 rotates, the sleeving gear 11 is driven to rotate, so as to drive the rotating sleeve 25 to start rotating, and thus the rotating rod 26 fixedly connected to the front surface of the rotating sleeve 25 can be driven to start rotating, so that the rotating rod 26 extrudes the input end of the pressure sensor 24, then the static torsion force of the brushless dc motor 1 at the moment is obtained through the pressure sensor 24, and then the static torsion force is multiplied by the force arm to obtain the torque of the brushless dc motor 1 at the moment, so as to achieve the effect of conveniently detecting the static torque of the brushless dc motor 1;
based on the above, when the dynamic torque of the brushless dc motor 1 needs to be detected, the brushless dc motor 1 is rotated to the state horizontal to the dynamic torque testing block 23 through the auxiliary motor 31, then the dynamic torque testing block 23 is slid through the sliding, then the dynamic torque testing block 23 is pushed to slide towards the inner side through the compression spring 212, the testing rod 271 is sleeved inside the sleeving hole 13, then when the brushless dc motor 1 is started, the left rotary load 28 of the testing rod 271 is driven to start rotating, thereby the torque of the testing rod 271 is measured at the dynamic torque testing sensor 27, the torque of the brushless dc motor 1 is obtained, the effect of conveniently measuring the dynamic torque of the brushless dc motor 1 is achieved, and the testing operation of the torque of the brushless dc motor 1 is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A torque testing device of a direct current brushless motor comprises a brushless direct current motor (1), and is characterized in that: the bottom of the brushless direct current motor (1) is provided with a testing mechanism (2), and the outer surface of the brushless direct current motor (1) is provided with a rotation auxiliary mechanism (3);
the testing mechanism (2) comprises a testing base (21) lapped at the bottom of the brushless direct current motor (1), the top of the testing base (21) is connected with a static torque testing block (22) and a dynamic torque testing block (23) in a sliding mode, a pressure sensor (24) is fixedly connected inside the static torque testing block (22), a rotating sleeve (25) is rotatably connected inside the static torque testing block (22), a rotating rod (26) is fixedly connected to the front face of the rotating sleeve (25), the bottom of the rotating rod (26) is lapped with the front face of the pressure sensor (24), a dynamic torque testing sensor (27) is fixedly connected inside the dynamic torque testing block (23), and a rotating load (28) is sleeved on an output shaft of the dynamic torque testing sensor (27);
rotatory complementary unit (3) include auxiliary motor (31) of fixed connection in test base (21) bottom, and rotate and connect in the inside revolving stage (32) of test base (21) to and fixed connection meshes rack (33) in test base (21) bottom, just the bottom of meshing rack (33) meshes with the top of auxiliary motor (31) mutually.
2. The torque testing apparatus of a dc brushless motor according to claim 1, wherein: the output shaft of the brushless direct current motor (1) is fixedly connected with a sleeve gear (11), the outer surface of the sleeve gear (11) is sleeved with a detection wheel (12), a sleeve hole (13) is formed in the detection wheel (12), and a protection mechanism (4) is arranged on the outer surface of the brushless direct current motor (1).
3. The torque testing apparatus of a dc brushless motor according to claim 2, wherein: protection mechanism (4) are including cup jointing in the stable sleeve (41) of brushless DC motor (1) surface, the inside fixedly connected with temperature sensor (42) of stable sleeve (41), just the inside fixedly connected with heat conduction cover (43) of stable sleeve (41), the right side and the temperature sensor (42) acceptance phase joint of heat conduction cover (43), the right side of heat conduction cover (43) is provided with radiator fan (44), the right side meshing of radiator fan (44) has transmission shaft (45), the top and the bottom fixedly connected with heat dissipation gear (451) of transmission shaft (45).
4. A torque testing apparatus of a brushless dc motor according to claim 3, wherein: the inner sliding connection of the stabilizing sleeve (41) is provided with a diameter adjusting sliding block (411), the inner sliding connection of the diameter adjusting sliding block (411) is provided with an adjusting rope (412), the front end and the rear end of the adjusting rope (412) are wound with an adjusting rotating shaft (413), the left side and the right side of the adjusting rotating shaft (413) are fixedly connected with a fixed gear (414), the outer surface of the adjusting rotating shaft (413) is sleeved with a stabilizing sliding block (415), a stabilizing sleeving hole (4151) is formed in the stabilizing sliding block (415), and the aperture of the stabilizing sleeving hole (4151) is matched with the diameter of the fixed gear (414).
5. The torque testing apparatus of a dc brushless motor according to claim 1, wherein: sliding tray (211) have been seted up at the top of test base (21), just inside fixedly connected with compression spring (212) of sliding tray (211), compression spring (212) are close to the inboard of revolving stage (32) and the outside looks joint of static moment of torsion test piece (22) and dynamic moment of torsion test piece (23), the bottom fixedly connected with of test base (21) blocks pole (213).
6. The torque testing apparatus of a dc brushless motor according to claim 1, wherein: the inside of the rotating sleeve (25) is fixedly connected with a clamping rod (251), and the outer surface of the clamping rod (251) is clamped with the inner wall of the sleeve joint hole (13).
7. The torque testing apparatus of a dc brushless motor according to claim 1, wherein: the dynamic torque test sensor (27) is characterized in that a test rod (271) is rotatably connected inside the dynamic torque test sensor, the right side of the test rod (271) is connected with the inner wall of the sleeving hole (13) in a clamping mode, and the left side of the test rod (271) is sleeved with a rotary load (28).
8. The torque testing apparatus of a dc brushless motor according to claim 1, wherein: the output shaft fixedly connected with dwang (311) of auxiliary motor (31), the outer fixed surface of dwang (311) is connected with rotary gear (312) and heat dissipation master gear (313), dwang (311) surface is connected with the inner wall rotation that blocks pole (213), heat dissipation master gear (313) with heat dissipation gear (451) mesh mutually.
9. The torque testing apparatus of a dc brushless motor according to claim 1, wherein: the outside fixedly connected with of revolving stage (32) rotates ring (321), just the inner wall that rotates ring (321) and test base (21) rotates and is connected, joint groove (322) have been seted up at the top of revolving stage (32), just the top in joint groove (322) and the bottom joint of stabilizing sleeve (41).
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| CN202210222206.3A CN114623965B (en) | 2022-03-09 | 2022-03-09 | Torque testing device of direct current brushless motor |
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| CN202210222206.3A CN114623965B (en) | 2022-03-09 | 2022-03-09 | Torque testing device of direct current brushless motor |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2109562U (en) * | 1991-12-27 | 1992-07-08 | 浙江大学 | Micro torque testing instrument |
| CN208443507U (en) * | 2018-06-07 | 2019-01-29 | 江苏名豪汽车零部件有限公司 | A kind of heavy duty clutch moment of torque test device |
| CN208765955U (en) * | 2018-07-02 | 2019-04-19 | 诸暨市迅捷离合器有限公司 | A kind of torque detecting apparatus of electromagnetic clutch |
| CN209342880U (en) * | 2018-12-29 | 2019-09-03 | 四川诚邦测控技术有限公司 | Brshless DC motor Performance Test System |
| CN110658454A (en) * | 2019-09-27 | 2020-01-07 | 吉孚汽车技术(浙江)有限公司 | Brushless direct current motor integrated test system |
| CN212158893U (en) * | 2020-04-30 | 2020-12-15 | 南京杰峰实业有限公司 | Novel motor friction torque detection device |
-
2022
- 2022-03-09 CN CN202210222206.3A patent/CN114623965B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2109562U (en) * | 1991-12-27 | 1992-07-08 | 浙江大学 | Micro torque testing instrument |
| CN208443507U (en) * | 2018-06-07 | 2019-01-29 | 江苏名豪汽车零部件有限公司 | A kind of heavy duty clutch moment of torque test device |
| CN208765955U (en) * | 2018-07-02 | 2019-04-19 | 诸暨市迅捷离合器有限公司 | A kind of torque detecting apparatus of electromagnetic clutch |
| CN209342880U (en) * | 2018-12-29 | 2019-09-03 | 四川诚邦测控技术有限公司 | Brshless DC motor Performance Test System |
| CN110658454A (en) * | 2019-09-27 | 2020-01-07 | 吉孚汽车技术(浙江)有限公司 | Brushless direct current motor integrated test system |
| CN212158893U (en) * | 2020-04-30 | 2020-12-15 | 南京杰峰实业有限公司 | Novel motor friction torque detection device |
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