Measuring system of low-speed and large-torque outer rotor motor
Technical field
The present invention relates to the measuring equipment of a kind of motor torque and rotating speed, specifically moment and the tachometric survey equipment of a kind of low speed (rotating speed is less than 60 rev/mins), high-torque (output torque is greater than 1000 Ns of rice) external rotor electric machine.
Background technology
Because the measurement of electromechanical properties (comprising moment and the rotating speed) curve of low-speed and large-torque outer rotor motor, can not realize with conventional dynamometer machine, generally can only do the analogue measurement of no-load performance measurement and workability, owing to lack corresponding family curve measuring equipment, can't carry out so that the family curve of low-speed and large-torque outer rotor motor is measured always, cause inconvenience.
Summary of the invention
In order to address the above problem, the invention provides a kind of measuring system of low-speed and large-torque outer rotor motor, this measuring system of low-speed and large-torque outer rotor motor has been realized rotating speed less than 60 rev/mins, output torque greater than the moment of the external rotor electric machine of 1000 Ns of rice and the continuous coverage of rotating speed.
The present invention for the technical scheme that solves its technical matters and adopt is:
A kind of measuring system of low-speed and large-torque outer rotor motor, measured low-speed and large-torque outer rotor motor refers to that rotating speed is lower than 60 rev/mins and output torque greater than the external rotor electric machine of 1000 Ns of rice, this measuring system of low-speed and large-torque outer rotor motor comprises the customization gear, carrier gear, prototype gear and magnetic powder brake system, comprise moment speed probe and moment tachometer of measuring in the described magnetic powder brake system, the outer rotor of described low-speed and large-torque outer rotor motor drives described customization gear and rotates, fixed cover is provided with prototype gear in the rotating shaft of magnetic powder brake system, the described customization gear of described carrier gear bridge joint and prototype gear.Become rotating shaft to rotate the rotational transform of outer rotor by gear drive, can realize easily the continuous coverage of moment, rotating speed.
Further technical scheme of the present invention is:
Described magnetic powder brake system comprises moment speed probe, moment tachometer of measuring and cooling system.
The structure that the outer rotor of described low-speed and large-torque outer rotor motor drives described customization gear rotation is: described customization gear is replaced a bearing cap of described low-speed and large-torque outer rotor motor.
Be provided with a reference platform (cast iron quality), described magnetic powder brake system is fixed in the desired location on this reference platform, be provided with the carrier gear bracing frame of a support carrier gear, the carrier gear bracing frame is provided with rotating bridge gear shaft, described carrier gear drives the bridge gear shaft rotation, described carrier gear bracing frame is fixed on the reference platform, be set with motor on the reference platform and lay the position, the electric machine support of described low-speed and large-torque outer rotor motor can be placed in this motor and lay on the position, and the carrier gear bridge joint motor on the bridge gear shaft is laid the prototype gear in the rotating shaft of customization gear on the low-speed and large-torque outer rotor motor on the position and magnetic powder brake system.Lay the position owing to be set with motor on the reference platform, define the riding position of low-speed and large-torque outer rotor motor when tested, guaranteed the correctness of customization gear engagement, realized again the quick-replaceable of tested low-speed and large-torque outer rotor motor.
Described carrier gear can be on described bridge gear shaft axial translation, realized gear-driven clutch, when needs are changed low-speed and large-torque outer rotor motor, first the carrier gear on the bridge gear shaft is removed, having guaranteed does not have obstacle when tested low-speed and large-torque outer rotor motor is changed, and can guarantee that again the position of engagement after carrier gear resets is constant.
The invention has the beneficial effects as follows: this measuring system of low-speed and large-torque outer rotor motor becomes rotating shaft to rotate the rotational transform of outer rotor by gear drive, can realize easily the continuous coverage of moment, rotating speed; Lay the position owing to be set with motor on the reference platform, define the riding position of low-speed and large-torque outer rotor motor when tested, guaranteed the correctness of customization gear engagement, realized again the quick-replaceable of tested low-speed and large-torque outer rotor motor; Because carrier gear adopts the location translation mode, when needs are changed low-speed and large-torque outer rotor motor, first the carrier gear on the bridge gear shaft is removed, having guaranteed does not have obstacle when tested low-speed and large-torque outer rotor motor is changed, and can guarantee that again the position of engagement after carrier gear resets is constant.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is vertical view of the present invention.
Embodiment
Embodiment: a kind of measuring system of low-speed and large-torque outer rotor motor, measured low-speed and large-torque outer rotor motor 1 refers to that rotating speed is lower than 60 rev/mins and output torque greater than the external rotor electric machine of 1000 Ns of rice, this measuring system of low-speed and large-torque outer rotor motor comprises customization gear 2, carrier gear 3, prototype gear 4 and magnetic powder brake system 5, comprise moment speed probe and moment tachometer of measuring in the described magnetic powder brake system, the outer rotor of described low-speed and large-torque outer rotor motor drives described customization gear 2 and rotates, fixed cover is provided with prototype gear 4 in the rotating shaft of magnetic powder brake system 5, the described customization gear 2 of described carrier gear 3 bridge joints and prototype gear 4.Become rotating shaft to rotate the rotational transform of outer rotor by gear drive, can realize easily the continuous coverage of moment, rotating speed.
Described magnetic powder brake system comprises moment speed probe, moment tachometer of measuring and cooling system.
The structure that the outer rotor of described low-speed and large-torque outer rotor motor drives described customization gear rotation is: described customization gear 2 is replaced a bearing cap of described low-speed and large-torque outer rotor motor.
Be provided with a reference platform 6 (cast iron quality), described magnetic powder brake system is fixed in the desired location on this reference platform, be provided with the carrier gear bracing frame 7 of a support carrier gear 3, the carrier gear bracing frame is provided with rotating bridge gear shaft 9, described carrier gear drives bridge gear shaft 9 rotations, described carrier gear bracing frame is fixed on the reference platform, be set with motor on the reference platform and lay the position, the electric machine support 8 of described low-speed and large-torque outer rotor motor can be placed in this motor and lay on the position, and the carrier gear bridge joint motor on the bridge gear shaft 9 is laid the prototype gear in the rotating shaft of customization gear on the low-speed and large-torque outer rotor motor on the position and magnetic powder brake system.Lay the position owing to be set with motor on the reference platform, define the riding position of low-speed and large-torque outer rotor motor when tested, guaranteed the correctness of customization gear engagement, realized again the quick-replaceable of tested low-speed and large-torque outer rotor motor.
Described carrier gear can be on described bridge gear shaft 9 axial translation, realized gear-driven clutch, when needs are changed low-speed and large-torque outer rotor motor, first the carrier gear on the bridge gear shaft is removed, having guaranteed does not have obstacle when tested low-speed and large-torque outer rotor motor is changed, and can guarantee that again the position of engagement after carrier gear resets is constant.