CN219320473U - Magnetic steel surface field measurement for DC permanent magnet torque motor - Google Patents
Magnetic steel surface field measurement for DC permanent magnet torque motor Download PDFInfo
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- CN219320473U CN219320473U CN202320279407.7U CN202320279407U CN219320473U CN 219320473 U CN219320473 U CN 219320473U CN 202320279407 U CN202320279407 U CN 202320279407U CN 219320473 U CN219320473 U CN 219320473U
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Abstract
The utility model provides a direct current permanent magnetism is magnet steel surface field measurement for moment motor, be equipped with on magnet steel locating plate both sides face with constant head tank first and constant head tank second of magnet steel adaptation, be equipped with on the face of measuring meter pen locating plate both ends face and be used for carrying out locating hole first and the locating hole second of location to the gauss meter pen, and locating hole first and locating hole second correspond with constant head tank first and constant head tank second upper and lower position respectively, magnet steel locating plate and measuring meter pen locating plate are connected through the altitude mixture control subassembly that is used for adjusting measuring meter pen locating plate, and locate the measuring of surface field is carried out to the gauss meter pen of different models in constant head tank first and the constant head tank second respectively by penetrating the probe and wear out locating hole first and locating hole second. The utility model solves the defects of the original manual taking measurement method, improves the accuracy and efficiency of the magnetic steel surface field measurement, effectively ensures the torque of the finished motor to be large, the rotating speed to be stable and reliable, and has low manufacturing cost, small volume and convenient and quick disassembly.
Description
Technical Field
The utility model belongs to the technical field of direct-current permanent-magnet torque motors, and particularly relates to magnetic steel surface field measurement for a direct-current permanent-magnet torque motor.
Background
The rare earth permanent magnet direct current torque motor (hereinafter referred to as motor) assembled for some gesture indication instruments is a type of motor developed in domestic according to French import prototype, has compact structure, small volume, small starting current, large rotating torque and stable rotating speed, and converts the received electric signals into torque output; this structure is used as an actuator in low power follower systems and automatic control.
The motor mainly comprises a stator assembly, a rotor assembly and a brush holder, wherein the stator assembly is an important assembly part, adopts a tangential convergence magnetic circuit, is provided with 2 pairs of magnetic poles, uses magnetic steel to form a pole shoe, is provided with 10 magnetic steels in each assembly part, is stuck in the magnetic poles by high-temperature glue, measures the surface fields of the magnetic steels before assembly, and the surface fields of the 10 magnetic steels in each assembly part are basically the same and have the phase difference of less than 20 mT; in the prior art, when the surface field of the magnetic steel is measured, a probe of a Gaussian meter pen is held by one hand, and the magnetic steel is held by the other hand and is measured before being placed on the probe of the meter pen, and the measured value is recorded, and the method has the main defects that: 1) The relative positions of the probe of the meter pen and the magnet are random during measurement, human factors are large, each time of measurement value is different, and average value is generally obtained by measuring twice; 2) The measurement value has large error, so that the grouping is inaccurate; 3) The measurement efficiency is low; 4) The quality of each batch of magnetic steel cannot be judged quickly; if the magnetic steel surface field measured value is large in error, the grouping is inaccurate, and the manufacturing quality of the motor is easy to be reduced after the assembly to a finished product: the torque fluctuation is large; the rotation speed is unstable, and jitter occurs at a low speed, so improvement is necessary for measurement of the magnetic steel surface field.
Disclosure of Invention
The utility model solves the technical problems that: the magnetic steel surface field measurement device for the direct-current permanent magnet torque motor is characterized in that a magnetic steel positioning plate with a first positioning groove and a second positioning groove, a measuring meter pen positioning plate with a first positioning hole and a second positioning hole and a structure formed by a height adjusting component between the magnetic steel positioning plate and the measuring meter pen positioning plate are arranged, so that different magnetic steels positioned in the first positioning groove and the second positioning groove are measured by a probe through a Gaussian meter pen with the first positioning hole and the second positioning hole, the defect of the original manual taking measurement method is overcome, the magnetic steel surface field measurement accuracy and efficiency are improved, the torque of a finished motor is effectively ensured to be large, the rotating speed is stable and reliable, the manufacturing cost is low, the size is small, the disassembly and assembly are convenient and quick, and the application value is high.
The utility model adopts the technical scheme that: the magnetic steel surface field measurement device for the direct-current permanent magnet torque motor comprises a magnetic steel positioning plate and a measuring meter pen positioning plate positioned above the magnetic steel positioning plate, wherein a first positioning groove and a second positioning groove which are matched with the magnetic steel are formed in the plate surfaces on two sides of the magnetic steel positioning plate, a first positioning hole and a second positioning hole which are used for positioning a gauss meter pen are formed in the plate surfaces on two ends of the measuring meter pen positioning plate, the first positioning hole and the second positioning hole respectively correspond to the upper and lower positions of the first positioning groove and the second positioning groove, the magnetic steel positioning plate and the measuring meter pen positioning plate are connected through a height adjusting component which is used for adjusting the measuring meter pen positioning plate, and magnetic steels of different types in the first positioning groove and the second positioning groove are respectively measured by the gauss meter pen penetrating out of the first positioning hole and the second positioning hole through a penetrating probe.
The height adjusting assembly comprises a supporting rod and a sliding rod, the lower end of the supporting rod is fixed on the magnetic steel positioning plate, the upper end of the sliding rod is fixedly connected with the measuring meter pen positioning plate, the sliding rod is adapted to the central hole of the supporting rod, and the sliding rod inserted into the supporting rod is tightly propped and fixed when the height of the measuring meter pen positioning plate is adjusted in place through a jackscrew connected to the side wall of the supporting rod.
Further, a stepped hole with a square hole at the upper end and a through hole at the lower end is formed in the middle of the upper plate surface of the measuring pen positioning plate, the small-diameter section at the upper end of the sliding rod is adaptively positioned in the stepped hole, a threaded hole is formed in the upper end surface of the sliding rod, a connecting plate positioned in the square hole of the stepped hole is provided with a through hole (the position of the connecting plate corresponds to the threaded hole), and the connecting bolt penetrates through the through hole in the connecting plate to be adaptively connected with the threaded hole so as to fixedly connect the sliding rod with the measuring pen positioning plate.
Further, the supporting rod and the sliding rod are made of aluminum metal.
Further, the magnetic steel locating plate and the measuring pen locating plate are made of antimagnetic materials.
Compared with the prior art, the utility model has the advantages that:
1. according to the technical scheme, the structure consisting of the magnetic steel locating plate with the locating groove I and the locating groove II, the measuring meter pen locating plate with the locating hole I and the locating hole II and the height adjusting component between the magnetic steel locating plate and the measuring meter pen locating plate is arranged, so that different magnetic steels located in the locating groove I and the locating groove II can be measured by the Gaussian meter pen with the probe penetrating through the locating hole I and the locating hole II, the defect of the original manual taking measuring method is overcome, and the measuring accuracy and efficiency of the magnetic steel surface field are improved;
2. according to the technical scheme, the distance between the magnetic steel locating plate and the measuring pen locating plate is adjusted through the height adjusting component, on the premise that the magnetic steel is reliably located, adjusting conditions are provided for the reliable measuring positions of the Gaussian meter pen probe and the magnetic steel, and the measuring precision of the surface field of the magnetic steel of the same model is guaranteed;
3. according to the technical scheme, the influence of human factors on the measured value is reduced, the number of manual operation people is reduced, the measurement error is small, the grouping is accurate and reliable, and the quality of each batch of magnetic steel can be rapidly judged;
4. the technical scheme effectively ensures that the finished motor has large torque, stable and reliable rotating speed, low manufacturing cost, small volume, convenient and quick disassembly and assembly and higher application value.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a cross-sectional view of the structure of the present utility model;
fig. 3 is a top view of the present utility model.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described in the following with reference to fig. 1 to 3 in the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The inclusion of an element as defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
The surface field measurement of the magnetic steel for the direct-current permanent magnet torque motor is shown in fig. 1-2, the direct-current permanent magnet torque motor comprises a magnetic steel positioning plate 1 and a measuring meter pen positioning plate 2 positioned above the magnetic steel positioning plate 1, positioning grooves I3 and II 4 matched with the magnetic steel are formed in the plate surfaces of two sides of the magnetic steel positioning plate 1, positioning holes I5 and II 6 used for positioning a gauss meter pen are formed in the plate surfaces of two ends of the measuring meter pen positioning plate 2, the positioning holes I5 and II 6 correspond to the upper and lower positions of the positioning grooves I3 and II 4 respectively, and the positioning holes I5 and II 6 are rectangular holes with round holes at the upper ends and rectangular holes with the gauss meter pen holder in the lower ends. The magnetic steel positioning plate 1 and the measuring pen positioning plate 2 are connected through a height adjusting component for adjusting the measuring pen positioning plate 2, and magnetic steels of different types arranged in the first positioning groove 3 and the second positioning groove 4 respectively penetrate through the Gaussian meter pens of the first positioning hole 5 and the second positioning hole 6 by the penetrating probe to measure the surface field; in the structure, by arranging the magnetic steel positioning plate 1 with the positioning groove I3 and the positioning groove II 4, the measuring pen positioning plate 2 with the positioning hole I5 and the positioning hole II 6 and the height adjusting assembly between the magnetic steel positioning plate 1 and the measuring pen positioning plate 2, the measurement of the surface field of different magnetic steels positioned in the positioning groove I3 and the positioning groove II 4 by the Gaussian pen with the probe penetrating through the positioning hole I5 and the positioning hole II 6 is realized, the defect of the original manual taking measurement method is overcome, and the measurement accuracy and efficiency of the surface field of the magnetic steel are improved;
the specific structure of the height adjusting component is as follows: the height adjusting assembly comprises a supporting rod 9 and a sliding rod 7, the lower end of the supporting rod 9 is fixed on the magnetic steel positioning plate 1, the upper end of the sliding rod 7 is fixedly connected with the measuring pen positioning plate 2, the sliding rod 7 is adapted to the central hole of the supporting rod 9, and the sliding rod 7 inserted into the supporting rod 9 is tightly propped and fixed when the height of the measuring pen positioning plate 2 is adjusted in place through a jackscrew 8 which is connected to the side wall of the supporting rod 9 in a threaded manner; in the structure, the distance between the magnetic steel positioning plate 1 and the measuring pen positioning plate 2 is adjusted through the height adjusting component, and on the premise of reliable positioning of the magnetic steel, adjusting conditions are provided for the reliable measuring positions of the Gaussian meter pen probe and the magnetic steel, so that the measuring precision of the surface field of the magnetic steel of the same model is ensured; the distance between the magnetic steel positioning plate 1 and the measuring pen positioning plate 2 can be quickly adjusted by unscrewing or screwing the jackscrew 8;
the fixed connection structure of the measuring meter pen locating plate 2 and the sliding rod 7 is specifically as follows: the middle part of the upper plate surface of the measuring meter pen locating plate 2 is provided with a stepped hole 10, the upper end of the stepped hole is a square hole, the lower end of the stepped hole is a through hole, the small-diameter section of the upper end of the sliding rod 7 is adaptively positioned in the stepped hole 10, the upper end surface of the sliding rod 7 is provided with a threaded hole 11, a connecting plate 13 positioned in the square hole of the stepped hole 10 is provided with a through hole corresponding to the threaded hole 11, and a connecting bolt 12 passes through the through hole on the connecting plate 13 and is adaptively connected with the threaded hole 11 to fixedly connect the sliding rod 7 with the measuring meter pen locating plate 2.
The supporting rod 9 and the sliding rod 7 are made of aluminum metal; specifically, the magnetic steel locating plate 1 and the measuring pen locating plate 2 are made of antimagnetic materials.
When the measuring instrument is used, the probe of the Gaussian meter pen is placed into the groove reaching the first positioning groove 3 or the second positioning groove 4 on the magnetic steel positioning plate 1 through the first positioning hole 5 or the second positioning hole 6 on the measuring meter pen positioning plate 2, the probe is fixed (the convex ring on the Gaussian meter pen holder is positioned on the upper end face of the rectangular hole and is fixed at the moment), then the magnetic steel is placed into the first positioning groove 3 or the second positioning groove 4 of the magnetic steel positioning plate 1 according to the model of the magnetic steel, the magnetic steel is tightly attached to the measuring pen probe, and the magnetic steel surface field value is measured.
In the technical scheme, besides the support rods and the sliding rods are made of aluminum materials, the two positioning plates can be made of antimagnetic materials such as wood, bakelite and organic glass, and the shape of the positioning plates can be round or square except that shown in fig. 1.
According to the technical scheme, the influence of human factors on the measured value is reduced, the number of manual operation people is reduced, the measurement error is small, the grouping is accurate and reliable, and the quality of each batch of magnetic steel can be rapidly judged; the motor has the advantages of effectively ensuring that the torque of the finished motor is large, the rotating speed is stable and reliable, the manufacturing cost is low, the volume is small, the disassembly and assembly are convenient and quick, and the motor has great application value.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. The magnetic steel surface field measurement for the direct current permanent magnet torque motor is characterized in that: including magnet steel locating plate (1) and be located measuring gauge pen locating plate (2) of magnet steel locating plate (1) top, system has on magnet steel locating plate (1) both sides face with constant head tank one (3) and constant head tank two (4) of magnet steel adaptation, system has on measuring gauge pen locating plate (2) both ends face and is used for carrying out locating hole one (5) and locating hole two (6) to the gauss gauge pen, and locating hole one (5) and locating hole two (6) correspond with constant head tank one (3) and constant head tank two (4) upper and lower position respectively, magnet steel locating plate (1) and measuring gauge pen locating plate (2) are connected through the altitude mixture control subassembly that is used for adjusting measuring gauge pen locating plate (2), and locate the measuring gauge pen of different magnet steel in constant head tank one (3) and the constant head tank two (4) and wear out the gauss gauge pen of locating hole one (5) and locating hole two (6) by the probe model respectively and carry out the measurement of surface field.
2. The magnetic steel surface field measurement for a direct current permanent magnet torque motor according to claim 1, wherein: the height adjusting assembly comprises a supporting rod (9) and a sliding rod (7), wherein the lower end of the supporting rod (9) is fixed on the magnetic steel positioning plate (1), the upper end of the sliding rod (7) is fixedly connected with the measuring pen positioning plate (2), the sliding rod (7) is adapted to the central hole of the supporting rod (9), and the sliding rod (7) inserted into the supporting rod (9) is tightly fixed when the height of the measuring pen positioning plate (2) is adjusted to be in place through a jackscrew (8) which is connected to the side wall of the supporting rod (9) in a threaded mode.
3. The magnetic steel surface field measurement for a direct current permanent magnet torque motor according to claim 2, wherein: the middle part of the upper plate surface of the measuring meter pen locating plate (2) is provided with a stepped hole (10) with a square hole at the upper end and a through hole at the lower end, the small-diameter section at the upper end of the sliding rod (7) is adaptively positioned in the stepped hole (10), the upper end surface of the sliding rod (7) is provided with a threaded hole (11), a through hole corresponding to the position of the threaded hole (11) is formed in a connecting plate (13) positioned in the square hole of the stepped hole (10), and a connecting bolt (12) penetrates through the through hole in the connecting plate (13) and is adaptively connected with the threaded hole (11) to fixedly connect the sliding rod (7) with the measuring meter pen locating plate (2).
4. A magnetic steel surface field measurement for a direct current permanent magnet torque motor according to claim 3, wherein: the supporting rod (9) and the sliding rod (7) are made of aluminum metal.
5. The surface field measurement of magnetic steel for a direct current permanent magnet torque motor according to claim 1 or 2 or 3 or 4, wherein: the magnetic steel locating plate (1) and the measuring meter pen locating plate (2) are made of antimagnetic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320279407.7U CN219320473U (en) | 2023-02-22 | 2023-02-22 | Magnetic steel surface field measurement for DC permanent magnet torque motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320279407.7U CN219320473U (en) | 2023-02-22 | 2023-02-22 | Magnetic steel surface field measurement for DC permanent magnet torque motor |
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| Publication Number | Publication Date |
|---|---|
| CN219320473U true CN219320473U (en) | 2023-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320279407.7U Active CN219320473U (en) | 2023-02-22 | 2023-02-22 | Magnetic steel surface field measurement for DC permanent magnet torque motor |
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| Country | Link |
|---|---|
| CN (1) | CN219320473U (en) |
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2023
- 2023-02-22 CN CN202320279407.7U patent/CN219320473U/en active Active
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