CN211014567U - Measuring device for determining position and movement of tractor rotor - Google Patents
Measuring device for determining position and movement of tractor rotor Download PDFInfo
- Publication number
- CN211014567U CN211014567U CN201921891314.XU CN201921891314U CN211014567U CN 211014567 U CN211014567 U CN 211014567U CN 201921891314 U CN201921891314 U CN 201921891314U CN 211014567 U CN211014567 U CN 211014567U
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- rotor
- measuring device
- motor
- excitation coil
- coil
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Abstract
The utility model discloses a measuring device for determining the position and the movement of a tractor rotor, which comprises a traction motor and a motor supporting frame, wherein the traction motor is arranged on the right side of the motor supporting frame, the inner wall of the right end of the motor supporting frame is provided with a first coil fixing rod, a rotor A of the measuring device and a rotor B of the measuring device are fixedly attached on a rotating component of the motor rotor on the traction motor so as to assemble the rotor A of the measuring device and the rotor B of the measuring device to coaxially rotate around a rotating shaft of the motor rotor, an excitation coil a and an excitation coil B are correspondingly arranged above the rotor A of the measuring device and the rotor B of the measuring device, the excitation coil a and the excitation coil B are respectively coaxially arranged on the stationary part of the traction motor with the rotor A of the measuring device and the rotor B of the measuring device, thereby the change of the rotating position of the rotor A of the measuring device, thus measuring the position and movement of the motor rotor on the traction motor.
Description
Technical Field
The utility model belongs to the technical field of motor motion feedback detects is relevant, concretely relates to confirm position of hauler rotor and measuring device of motion.
Background
The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the electromagnetic induction law, the motor is represented by a letter M (old standard is represented by D) in a circuit, the motor mainly has the function of generating driving torque and is used as a power source of electric appliances or various machines, the generator is represented by a letter G in the circuit, the motor mainly has the function of converting mechanical energy into electric energy, and the information of the magnetic pole position of a rotor of the motor is required to be possessed in order to adjust the torque of the motor. In order to regulate the movement of the motor, feedback is required regarding the movement of the motor rotor.
The existing technology for determining the position and the movement of the rotor of the traction machine has the following problems: the magnetic pole position of the motor rotor is conventionally measured by a photoelectric encoder, but the photoelectric encoder has higher requirements on the use environment, is easily interfered by the use environment, has higher use cost, and generally must be installed on a main shaft of the motor, and the encoder installed on the main shaft of the motor may increase the shaft length of the motor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a confirm measuring device of position and motion of hauler rotor to solve the photoelectric encoder who provides among the above-mentioned background art and easily receive service environment's interference, use cost also higher, install the axial length that the encoder on the motor spindle probably made the motor increase the problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a confirm measuring device of position and motion of hauler rotor, includes hauler and motor support frame, hauler installs the right side at motor support frame, be provided with first coil dead lever on motor support frame's the right-hand member inner wall, the right-hand member of first coil dead lever is connected with excitation coil an, excitation coil an's downside is provided with measuring device's rotor A, hauler's upper end left side is provided with motor rotor, hauler's upper end right side is provided with motor stator, be provided with the fixed casing of stator on the hauler of motor stator downside, be provided with the second coil dead lever on the left end inner wall of the fixed casing of stator, the left end of second coil dead lever is connected with excitation coil B, excitation coil B's downside is provided with measuring device's rotor B.
Preferably, the rotor a of the measuring device is vertically aligned with the center of the excitation coil a.
Preferably, the rotor B of the measuring device is vertically aligned with the center of the excitation coil B.
Preferably, the excitation coil a and the excitation coil b are respectively connected with the excitation coil b and the motor support frame and the stator fixing casing through a first coil fixing rod, and the motor support frame and the stator fixing casing are static parts of the traction motor.
Preferably, the rotor a and the excitation coil a of the measuring device and the rotor B and the excitation coil B of the measuring device adopt a reluctance type multi-pole rotary transformer.
Compared with the prior art, the utility model provides a confirm measuring device of position and motion of hauler rotor possesses following beneficial effect:
1. the utility model discloses a fix the rotary part that adheres to motor rotor on the haulage motor with this measuring device's rotor A and measuring device's rotor B, so that assemble measuring device's rotor A and measuring device's rotor B to surround motor rotor's rotation axis coaxial rotation, it has set up excitation coil a and excitation coil B to correspond above measuring device's rotor A and measuring device's rotor B, excitation coil a and excitation coil B respectively with measuring device's rotor A and measuring device's rotor B coaxial arrangement on the stationary part of haulage motor, thereby can in time test out measuring device's rotor A rotational position change, therefore record motor rotor's position and motion on the haulage motor;
2. the utility model discloses measuring device's rotor A and excitation coil a and measuring device's rotor B and excitation coil B adopt the multipolar rotary transformer of magnetic resistance formula, do not have brush and sliding ring contact, reliable operation, shock resistance are strong, and can high-speed operation in succession, longe-lived, be used to high accuracy and the electric variable speed binary channels system of various control formulas more, improve electric motor rotor position control precision, the error is no longer than 3.5 angle seconds, and with low costs, do not need the maintenance, the output signal level is high, the signal level can reach 4V the highest.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
fig. 1 is a schematic structural diagram of a measuring device for determining the position and movement of a tractor rotor according to the present invention;
in the figure: 1. a traction motor; 2. a motor support frame; 3. a rotor A of the measuring device; 4. a first coil fixing rod; 5. an excitation coil a; 6. a motor rotor; 7. a motor stator; 8. an excitation coil b; 9. a stator fixing casing; 10. a second coil fixing rod; 11. rotor B of the measuring device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a measuring device for determining the position and movement of a tractor rotor comprises a traction motor 1 and a motor support frame 2, wherein the traction motor 1 is arranged on the right side of the motor support frame 2, a first coil fixing rod 4 is arranged on the inner wall of the right end of the motor support frame 2, the right end of the first coil fixing rod 4 is connected with a magnet exciting coil a5, a rotor A3 of the measuring device is arranged on the lower side of the magnet exciting coil a5, the center of a rotor A3 of the measuring device and the center of a circle of the magnet exciting coil a5 are vertically arranged on the same straight line, the rotor A3 of the measuring device is fixedly attached to a rotating component of a motor rotor 6, so that the rotor A3 of the measuring device is assembled to rotate around the rotating shaft of the motor rotor 6 to measure the change of the rotating position of the rotor A3 of the measuring device in time, therefore, the position and movement of the motor, a motor stator 7 is arranged on the right side of the upper end of the traction motor 1, a stator fixing casing 9 is arranged on the traction motor 1 on the lower side of the motor stator 7, and a second coil fixing rod 10 is arranged on the inner wall of the left end of the stator fixing casing 9.
A measuring device for determining the position and the movement of a tractor rotor comprises a second coil fixing rod 10, wherein the left end of the second coil fixing rod is connected with an excitation coil B8, the excitation coil a5 and the excitation coil B8 are respectively connected with an excitation coil B8 and a motor supporting frame 2 through a first coil fixing rod 4, the motor supporting frame 2 and the stator fixing frame 9 are static parts of a tractor motor 1, a rotor A3 of the measuring device and a rotor B11 of the measuring device are respectively basically aligned with an excitation coil a5 and an excitation coil B8, the rotor A3 of the measuring device and a rotor B11 of the measuring device rotate coaxially with an internal rotating shaft of the tractor motor 1, so that the specific position and the movement state of the motor rotor 6 are measured, and a rotor B11 of the measuring device is arranged on the lower side of an excitation coil B8.
A measuring device for determining the position and movement of a tractor rotor comprises a measuring device rotor B11 and the center of a magnet exciting coil B8 which are vertically arranged on the same straight line, a measuring device rotor B11 is fixedly attached to a rotating component on the other side of a motor rotor 6 so as to calibrate the specific position and movement of the motor rotor 6 on a tractor motor 1 measured by the measuring device rotor A3, a measuring device rotor A3 and a magnet exciting coil a5 and a measuring device rotor B11 and a magnet exciting coil B8 adopt a reluctance type multi-pole rotary transformer without contact of a brush and a slip ring, the measuring device is reliable in work, strong in impact resistance, capable of continuously running at high speed and long in service life, and is mainly used for high-precision and various electric speed change dual-channel systems and improves the position control precision of the motor rotor 6.
The utility model discloses a theory of operation and use flow: the utility model discloses after having installed, owing to with the fixed rotary part that attaches motor rotor 6 on haulage motor 1 of this measuring device's rotor A3 and measuring device's rotor B11, so that assemble into the coaxial rotation of the rotation axis around motor rotor 6 with measuring device's rotor A3 and measuring device's rotor B11, it has set up excitation coil a5 and excitation coil B8 to correspond above measuring device's rotor A3 and measuring device's rotor B11, excitation coil a5 and excitation coil B8 respectively with measuring device's rotor A3 and measuring device's rotor B11 coaxial arrangement on the stationary part of haulage motor 1, thereby can in time test out measuring device's rotor A3 rotational position change, therefore record motor rotor 6's position and motion on haulage motor 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 (5)
1. The utility model provides a survey device of position and motion of definite hauler rotor, includes hauler motor (1) and motor support frame (2), its characterized in that: the traction motor (1) is arranged on the right side of the motor support frame (2), a first coil fixing rod (4) is arranged on the inner wall of the right end of the motor support frame (2), the right end of the first coil fixing rod (4) is connected with a magnet exciting coil a (5), a rotor A (3) of the measuring device is arranged at the lower side of the excitation coil a (5), a motor rotor (6) is arranged on the left side of the upper end of the traction motor (1), a motor stator (7) is arranged on the right side of the upper end of the traction motor (1), a stator fixing machine shell (9) is arranged on the traction motor (1) at the lower side of the motor stator (7), a second coil fixing rod (10) is arranged on the inner wall of the left end of the stator fixing casing (9), the left end of the second coil fixing rod (10) is connected with a magnet exciting coil b (8), the rotor B (11) of the measuring device is arranged on the lower side of the excitation coil B (8).
2. The measuring device for determining the position and movement of a traction machine rotor according to claim 1, characterized in that: the rotor A (3) of the measuring device and the circle center of the excitation coil a (5) are vertically arranged on the same straight line.
3. The measuring device for determining the position and movement of a traction machine rotor according to claim 1, characterized in that: the rotor B (11) of the measuring device and the circle center of the excitation coil B (8) are vertically on the same straight line.
4. The measuring device for determining the position and movement of a traction machine rotor according to claim 1, characterized in that: the excitation coil a (5) and the excitation coil b (8) are respectively connected with the stator fixing machine shell (9) through a first coil fixing rod (4) and the excitation coil b (8) and the motor supporting frame (2), and the motor supporting frame (2) and the stator fixing machine shell (9) are static parts of the traction motor (1).
5. The measuring device for determining the position and movement of a traction machine rotor according to claim 1, characterized in that: a rotor A (3) and an excitation coil a (5) of the measuring device and a rotor B (11) and an excitation coil B (8) of the measuring device adopt a reluctance type multi-pole rotary transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921891314.XU CN211014567U (en) | 2019-11-05 | 2019-11-05 | Measuring device for determining position and movement of tractor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921891314.XU CN211014567U (en) | 2019-11-05 | 2019-11-05 | Measuring device for determining position and movement of tractor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211014567U true CN211014567U (en) | 2020-07-14 |
Family
ID=71507707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921891314.XU Expired - Fee Related CN211014567U (en) | 2019-11-05 | 2019-11-05 | Measuring device for determining position and movement of tractor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211014567U (en) |
-
2019
- 2019-11-05 CN CN201921891314.XU patent/CN211014567U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200714 Termination date: 20211105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |