CN212063790U

CN212063790U - Rotary zero-position debugging device of permanent magnet synchronous motor

Info

Publication number: CN212063790U
Application number: CN202021069216.0U
Authority: CN
Inventors: 臧志栋
Original assignee: Wuxi Xinjun Motor Co ltd
Current assignee: Wuxi Xinjun Motor Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2020-12-01
Anticipated expiration: 2030-06-11

Abstract

The utility model belongs to become zero-bit debugging device field soon, especially a PMSM's becomes zero-bit debugging device soon, the high inconvenient regulation of being convenient for to current become zero-bit debugging device soon, the problem that inconvenient different height staff used, the following scheme is put forward now, it includes the base, the cavity has been seted up on the base, and slidable mounting has the inner panel in the cavity, and the regulating plate has all been welded to the top both sides of inner panel, and the top welding of two regulating plates has the same board of placeeing that is located the base top, and the top of placeeing the board is placed and is become zero-bit debugging device main part soon, has all seted up the traction groove on the top inner wall of cavity and the bottom inner wall, and same traction shaft is installed to two traction groove internal rotations, and the outside. The utility model discloses the practicality is good, and the height of convenient pair of rotary transformer zero-bit debugging device main part is adjusted, and it is simple convenient to adjust, and convenient different height staff uses.

Description

Rotary zero-position debugging device of permanent magnet synchronous motor

Technical Field

The utility model relates to a become zero-bit debugging technical field soon, especially relate to a PMSM's becomes zero-bit debugging device soon.

Background

The permanent magnet synchronous motor used in the new energy industry mainly realizes closed-loop control by measuring and feeding back a motor rotating speed signal through a rotary transformer. Through the retrieval, the grant bulletin number is CN 209419425U discloses a PMSM's rotary transformer zero-bit debugging device, including PMSM, rotary transformer angle appearance, DC power supply, low pressure signal line and cable, PMSM one side is provided with rotary transformer angle appearance, just PMSM opposite side is provided with DC power supply, PMSM one end top is provided with three-phase line connection terminal, just PMSM middle part one end is run through and is provided with motor rotor. The debugging method can meet the debugging of the rotary transformer zero position of any type of the permanent magnet synchronous motor in the new energy industry, can accurately realize the zero adjustment of the rotary transformer, has high debugging precision of the finished rotary transformer zero position and good consistency and resilience, and simultaneously avoids the condition that the zero position cannot be adjusted in the traditional process.

However, the height of the rotary zero-position debugging device is inconvenient to adjust and inconvenient for workers with different heights to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the height of the rotary zero-position debugging device in the prior art is inconvenient to adjust, and the working personnel with different heights are inconvenient to use, and the rotary zero-position debugging device of the permanent magnet synchronous motor is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a rotary zero-position debugging device of a permanent magnet synchronous motor comprises a base, wherein a cavity is formed in the base, an inner plate is slidably mounted in the cavity, adjusting plates are welded on two sides of the top of the inner plate, a same placing plate positioned above the base is welded on the tops of the two adjusting plates, a main body of the rotary zero-position debugging device is placed on the top of the placing plate, traction grooves are formed in the inner wall of the top and the inner wall of the bottom of the cavity, a same traction shaft is rotatably mounted in the two traction grooves, a plurality of groups of abutting plates are welded on the outer side of the traction shaft, the number of the abutting plates positioned in the same group is two, a through hole is formed in the top of the inner plate, the bottom end of the traction shaft penetrates through the through hole, abutting grooves are formed in the inner walls of two sides of the through hole, the abutting plates positioned below are, the bottom welding of two locating plates has same square plate, the fixed cover in the outside of traction shaft is equipped with the gear, the front side fixedly connected with rack of square plate, gear and rack mesh mutually, two riser holes have been seted up on the top inner wall of cavity, the downthehole slidable mounting of riser has the riser, the bottom of riser articulates there is the articulated slab, two articulated slabs all articulate mutually with square plate, the top welding of two risers has same clamp plate, the bottom welding of clamp plate has two springs, the bottom of spring welds in the top of base.

Preferably, the horizontal distance between the end parts of the two abutting plates which are positioned on the same horizontal axis and are away from each other is smaller than the distance between the inner walls of the front side and the rear side of the through hole, so that the abutting plates can rotate in the through hole.

Preferably, the width of the abutting plate is far smaller than the distance between the inner walls of the front side and the rear side of the abutting groove, so that the abutting plate can rotate in the abutting groove.

Preferably, two adjusting holes are formed in the inner wall of the top of the cavity, and the top of each adjusting plate penetrates through the corresponding adjusting hole.

Preferably, the locating plate contacts with one side inner wall of constant head tank, carries on spacingly to the locating plate.

Preferably, the multiple groups of abutting plates on the same vertical axis are arranged at equal intervals, and the placing plates are fixed at different heights.

In the utility model, when the height of the main body of the rotary zero-position debugging device needs to be adjusted, the pressing plate is pushed, the pressing plate extrudes the spring, the vertical plate drives the hinged plate to rotate, the hinged plate drives the square plate to move, the square plate drives the rack to move, the gear drives the traction shaft to rotate, when the other side of the positioning plate is contacted with the inner wall of the other side of the positioning groove, the traction shaft just rotates 90 degrees, the traction shaft drives the abutting plate to rotate, the abutting plate rotates out of the abutting groove, then the placing plate is pulled, the adjusting plate drives the inner plate to move, the height of the main body of the rotary zero-position debugging device is adjusted, after the adjustment is completed, the pressing plate is loosened, the spring drives the pressing plate to move due to the self elasticity, the traction shaft rotates reversely 90 degrees, so that the abutting plate on the same horizontal axis with the abutting groove is rotated into the abutting groove, and positioning the inner plate, and further positioning the opposite placing plate.

The utility model discloses the practicality is good, and the height of convenient pair of rotary transformer zero-bit debugging device main part is adjusted, and it is simple convenient to adjust, and convenient different height staff uses.

Drawings

Fig. 1 is a schematic cross-sectional structural diagram of a rotary zero-position debugging device of a permanent magnet synchronous motor according to the present invention;

fig. 2 is a schematic structural diagram of a main view of a rotary zero-position debugging device of a permanent magnet synchronous motor according to the present invention;

fig. 3 is the schematic structural diagram of the part a of the rotary zero-position debugging device of the permanent magnet synchronous motor according to the present invention.

In the figure: 1. a base; 2. an inner plate; 3. an adjusting plate; 4. placing a plate; 5. a rotary zero debugging device main body; 6. a traction shaft; 7. a resisting plate; 8. a butting groove; 9. positioning a plate; 10. a square plate; 11. a gear; 12. a rack; 13. a vertical plate; 14. a hinge plate; 15. pressing a plate; 16. a spring; 17. a transparent plate.

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.

Referring to fig. 1-3, a rotary zero-position debugging device for a permanent magnet synchronous motor comprises a base 1, a cavity is arranged on the base 1, an inner plate 2 is slidably mounted in the cavity, adjusting plates 3 are welded on two sides of the top of the inner plate 2, a same placing plate 4 positioned above the base 1 is welded on the tops of the two adjusting plates 3, a rotary zero-position debugging device main body 5 is placed on the top of the placing plate 4, traction grooves are formed in the inner wall of the top and the inner wall of the bottom of the cavity, a same traction shaft 6 is rotatably mounted in the two traction grooves, a plurality of groups of abutting plates 7 are welded on the outer side of the traction shaft 6, the number of the abutting plates 7 positioned in the same group is two, a through hole is formed in the top of the inner plate 2, a through hole is formed in the bottom end of the traction shaft 6, abutting grooves 8 are formed in the inner, seted up two constant head tanks on the top inner wall of cavity, slidable mounting has locating plate 9 in the constant head tank, the bottom welding of two locating plates 9 has same square plate 10, the fixed cover in the outside of traction shaft 6 is equipped with gear 11, the front side fixedly connected with rack 12 of square plate 10, gear 11 meshes with rack 12 mutually, two riser holes have been seted up on the top inner wall of cavity, the downthehole slidable mounting of riser has riser 13, the bottom of riser 13 articulates there is articulated slab 14, two articulated slab 14 all articulate with square plate 10 mutually, the top welding of two riser 13 has same clamp plate 15, the bottom welding of clamp plate 15 has two springs 16, the bottom of spring 16 welds in base 1's top.

In this embodiment, the horizontal distance between the end portions of the two abutting plates 7 located on the same horizontal axis, which are away from each other, is smaller than the distance between the inner walls of the front side and the rear side of the through hole, so that the abutting plates 7 can rotate in the through hole.

In this embodiment, the width of the abutting plate 7 is far smaller than the distance between the inner walls of the front side and the rear side of the abutting groove 8, so that the abutting plate 7 can rotate in the abutting groove 8.

In this embodiment, two adjusting holes are provided on the inner wall of the top of the cavity, and the top of the adjusting plate 3 penetrates through the corresponding adjusting holes.

In this embodiment, locating plate 9 contacts with one side inner wall of constant head tank, carries on spacingly to locating plate 9.

In this embodiment, the plurality of abutting plates 7 on the same vertical axis are arranged at equal intervals, so as to fix the placing plate 4 at different heights.

In the utility model, when the height of the main body 5 of the rotary zero-position debugging device needs to be adjusted, the pressing plate 15 is pushed, the pressing plate 15 extrudes the spring 16, the pressing plate 15 drives the vertical plate 13 to move, the vertical plate 13 drives the hinged plate 14 to rotate, the hinged plate 14 drives the square plate 10 to move, the square plate 10 drives the positioning plate 9 to move, the square plate 10 drives the rack 12 to move, the rack 12 drives the gear 11 to rotate, the gear 11 drives the traction shaft 6 to rotate, when the other side of the positioning plate 9 contacts with the inner wall of the other side of the positioning groove, the traction shaft 6 just rotates 90 degrees, the traction shaft 6 drives the abutting plate 7 to rotate, the abutting plate 7 rotates out of the abutting groove 8, then the placing plate 4 is pulled, the placing plate 4 drives the adjusting plate 3 to move, the adjusting plate 3 drives the inner plate 2 to move, the height of the main body 5 of the rotary zero, after the adjustment is completed, the pressing plate 15 is loosened, at the moment, the spring 16 drives the pressing plate 15 to move due to the elasticity of the spring, so that the traction shaft 6 reversely rotates by 90 degrees, the supporting plate 7 positioned on the same horizontal axis with the supporting groove 8 rotates into the supporting groove 8, the inner plate 2 is positioned, and then the opposite placing plates 4 are positioned.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A rotary-transformer zero-position debugging device of a permanent magnet synchronous motor comprises a base (1) and is characterized in that a cavity is formed in the base (1), an inner plate (2) is slidably mounted in the cavity, adjusting plates (3) are welded on two sides of the top of the inner plate (2), a placing plate (4) which is located above the base (1) is welded on the tops of the two adjusting plates (3), a rotary-transformer zero-position debugging device main body (5) is placed on the top of the placing plate (4), traction grooves are formed in the inner wall of the top and the inner wall of the bottom of the cavity, a same traction shaft (6) is rotatably mounted in the two traction grooves, a plurality of groups of abutting plates (7) are welded on the outer side of the traction shaft (6), the number of the abutting plates (7) located in the same group is two, through holes are formed in the top of the inner plate (2), the bottom end of the traction shaft (6, support board (7) that is located the below and correspond to groove (8) top inner wall and bottom inner wall in close contact with, two constant head tanks have been seted up on the top inner wall of cavity, slidable mounting has locating plate (9) in the constant head tank, the bottom welding of two locating plates (9) has same square slab (10), the fixed cover in the outside of traction shaft (6) is equipped with gear (11), front side fixedly connected with rack (12) of square slab (10), gear (11) and rack (12) mesh mutually, two riser holes have been seted up on the top inner wall of cavity, the downthehole slidable mounting of riser has riser (13), the bottom of riser (13) articulates there is articulated slab (14), two articulated slab (14) all articulate with square slab (10), the top welding of two riser (13) has same clamp plate (15), the bottom welding of clamp plate (15) has two springs (16), the bottom of spring (16) welds in the top of base (1.

2. The device for debugging the rotationally-changed zero position of the permanent magnet synchronous motor according to claim 1, wherein the horizontal distance between the end parts, far away from each other, of the two abutting plates (7) on the same horizontal axis is smaller than the distance between the inner walls of the front side and the rear side of the through hole.

3. The device for debugging the rotationally-changed zero position of the permanent magnet synchronous motor according to claim 1, wherein the width of the abutting plate (7) is far smaller than the distance between the front and rear inner walls of the abutting groove (8).

4. The rotary transformer zero position debugging device of the permanent magnet synchronous motor according to claim 1, wherein two adjusting holes are formed on the inner wall of the top of the cavity, and the top of the adjusting plate (3) penetrates through the corresponding adjusting holes.

5. The rotary transformer zero position debugging device of the permanent magnet synchronous motor according to claim 1, characterized in that the positioning plate (9) is in contact with one side inner wall of the positioning groove.

6. The rotary transformer zero position debugging device of the permanent magnet synchronous motor according to claim 1, characterized in that a plurality of groups of resisting plates (7) on the same vertical axis are arranged at equal intervals.