CN109802535B - Body anti-deformation device for permanent magnet synchronous motor and mounting method thereof - Google Patents
Body anti-deformation device for permanent magnet synchronous motor and mounting method thereof Download PDFInfo
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- CN109802535B CN109802535B CN201910163402.6A CN201910163402A CN109802535B CN 109802535 B CN109802535 B CN 109802535B CN 201910163402 A CN201910163402 A CN 201910163402A CN 109802535 B CN109802535 B CN 109802535B
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Abstract
The invention discloses a machine body anti-deformation device for a permanent magnet synchronous motor and an installation method thereof. The method comprises the following steps: a. preparing a mounting end plate, and integrally forming and manufacturing the mounting end plate and the boss; b. drilling a boss on the workbench to obtain a fixing hole; c. positioning and welding the convex plate; d. cleaning the mounting end plate welded with the convex plate; e. and (5) installing a bearing plate. The invention can carry out shaping support on the interior of the motor shell of the permanent magnet synchronous motor, thereby preventing the motor shell of the permanent magnet synchronous motor from deforming; in the installation, can evenly install the flange in the settlement position department of boss, the reducible number of times of measuring to the boss, when weld the flange and boss fixedly in addition, the flange is in the settlement position department of boss all the time, improves the welding precision and the welding quality of flange and boss.
Description
Technical Field
The invention belongs to the technical field of permanent magnet synchronous motor installation, and particularly relates to a machine body anti-deformation device for a permanent magnet synchronous motor and an installation method thereof.
Background
The permanent magnet synchronous motor is a synchronous motor which generates a synchronous rotating magnetic field by permanent magnet excitation, the permanent magnet is used as a rotor to generate a rotating magnetic field, and a three-phase stator winding is reacted through an armature under the action of the rotating magnetic field to induce three-phase symmetrical current. At the moment, the kinetic energy of the rotor is converted into electric energy, and the permanent magnet synchronous motor is used as a generator; in addition, when three-phase symmetrical current is introduced to the stator side, the three-phase stator current generates a rotating magnetic field in the space due to the fact that the phase difference of the three-phase stator is 120 in the space position, the rotor rotates under the action of electromagnetic force to move, electric energy is converted into kinetic energy at the moment, and the permanent magnet synchronous motor serves as a motor.
The permanent magnet synchronous motor has the characteristics of simple structure, low noise, high reliability, light weight of the whole transmission system and the like, thereby being widely applied to the field of industrial and agricultural production machinery. The technical problem that the technical personnel in the field need to solve is how to prevent the motor shell of the permanent magnet synchronous motor from deforming when the motor end cover of the permanent magnet synchronous motor is connected with the motor shell of the permanent magnet synchronous motor.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art and provides a machine body anti-deformation device for a permanent magnet synchronous motor and an installation method thereof, when a motor end cover of the permanent magnet synchronous motor is connected with a motor shell of the permanent magnet synchronous motor, the interior of the motor shell of the permanent magnet synchronous motor can be shaped and supported, and the motor shell of the permanent magnet synchronous motor is prevented from deforming; in the installation, can use two convex plates of first group as the benchmark, to two convex plates and boss welded fastening of surplus group for the convex plate is evenly installed in the settlement position department of boss, and the reducible number of times of measuring to the boss, and when weld fastening with convex plate and boss, the convex plate is in the settlement position department of boss all the time, does not receive the external influence, and the welding position deviation problem can not appear in the convex plate, improves the welding precision of convex plate and boss, improves the welding quality of convex plate and boss.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a organism anti-deformation device for PMSM which characterized in that: the motor end cover mounting structure comprises a mounting end plate, wherein a through hole is formed in the center of the mounting end plate, the mounting end plate is mounted in a motor end cover of a permanent magnet synchronous motor, at least four groups of pressure-bearing structures are mounted on the mounting end plate, the pressure-bearing structures are arranged in a rotational symmetry mode, and the pressure-bearing structures are supported on the inner side of a motor shell of the permanent magnet synchronous motor. When the motor end cover of the permanent magnet synchronous motor is connected with the motor shell of the permanent magnet synchronous motor, the mounting end plate is mounted in the motor end cover of the permanent magnet synchronous motor, and the pressure-bearing structure is supported on the inner side of the motor shell of the permanent magnet synchronous motor, so that the interior of the motor shell of the permanent magnet synchronous motor can be subjected to shaping support, and the motor shell of the permanent magnet synchronous motor is prevented from deforming.
Further, the installation end plate is equipped with the boss, and the through-hole passes the boss, and the setting of boss is convenient for the bearing structure stretch into PMSM's motor casing for PMSM's motor end cover passes through high strength bolt and PMSM's motor casing quick fixed connection, and bearing structure installs on the boss, and the lateral part of boss is equipped with the fixed orifices, and the fixed orifices is used for the fixed of later stage locating support.
Furthermore, the boss and the mounting end plate are of an integrated structure, so that the boss and the mounting end plate can be integrally manufactured, and the mass production of the boss and the mounting end plate is facilitated.
Further, the bearing structure includes the flange, rotor plate and bearing plate, the lower extreme threaded connection of rotor plate has first threaded rod, the flange is located on first threaded rod, first threaded rod threaded connection has first lock nut, first lock nut screws up on the side of flange, the flange welds on the boss, the upper end threaded connection of rotor plate has the second threaded rod, the inboard welding of bearing plate has the connecting plate, the connecting plate is located on the second threaded rod, second threaded rod threaded connection has second lock nut, second lock nut screws up on the side of connecting plate, the bearing plate supports on the inboard at PMSM's motor housing. When the first locking nut is in a loosening state, the first threaded rod can be rotated on the convex plate, the angle of the rotating plate on the convex plate is adjusted, when the second locking nut is in a loosening state, the connecting plate can be rotated on the second threaded rod, the angle of the bearing plate on the rotating plate is adjusted, after the angles of the rotating plate and the bearing plate are respectively adjusted, the first locking nut is screwed on the side surface of the convex plate, and the second locking nut is screwed on the side surface of the connecting plate; through the angular adjustment of rotor plate and bearing plate angle for the bearing plate can support on permanent magnet synchronous machine's motor housing's inboard, can stereotype the support to permanent magnet synchronous machine's motor housing's inside, prevents that permanent magnet synchronous machine's motor housing from appearing the deformation phenomenon.
Furthermore, the bearing plate is arc-shaped, so that the contact area between the bearing plate and the inner side of the motor shell of the permanent magnet synchronous motor can be increased.
A mounting method of a machine body anti-deformation device for a permanent magnet synchronous motor is characterized by comprising the following steps:
a. preparing a mounting end plate, and integrally forming and manufacturing the mounting end plate and the boss;
b. drilling a boss on the workbench to obtain a fixing hole;
c. positioning and welding the convex plate:
1) welding a positioning shaft at the central position of the positioning plate, welding two positioning connecting rods on the side surface of the positioning plate, wherein the included angle between the two positioning connecting rods is 180 degrees, preparing two positioning fixing plates, wherein the positioning fixing plates are provided with positioning holes in advance, the positioning holes are matched with the fixing holes, and welding the positioning fixing plates on the bottom surfaces of the end parts of the positioning connecting rods according to the diameters of bosses to finish the installation of the positioning support;
2) erecting the positioning bracket on the boss, aligning the positioning hole on the positioning fixing plate with the fixing hole on the boss, and screwing a fastening screw between the positioning hole and the fixing hole;
3) preparing an angle adjusting plate, wherein the angle adjusting plate is provided with a rotating hole and two reference plates in advance, the diameter of the rotating hole is the same as that of the positioning shaft, the distance between the inner sides of the two reference plates is the distance between the outer sides of the two convex plates, and then placing a T-shaped plate between the two reference plates to finish the installation of the angle adjusting bracket;
4) sleeving a cushion block on a positioning shaft, arranging a rotating hole of an angle adjusting plate on the positioning shaft, placing the angle adjusting plate on the cushion block, measuring a boss, placing two convex plates of a first group at the welding position of the boss, moving a T-shaped plate on a reference plate, abutting the T-shaped plate against the two convex plates of the first group, limiting the two convex plates of the first group by the T-shaped plate and the reference plate, screwing a screw between the T-shaped plate and the reference plate, screwing an adjusting nut on the positioning shaft, screwing the adjusting nut on the rotating hole of the angle adjusting plate, and welding and fixing the two convex plates of the first group and the boss;
5) according to the number of the convex plates, the rotating angle between each group of convex plates is obtained, the adjusting nut is unscrewed, an acting force is applied to the angle adjusting plate upwards, the T-shaped plate and the reference plate are separated from the two convex plates of the first group, then the angle adjusting plate is rotated by the set rotating angle, the angle adjusting plate is placed on the cushion block, the adjusting nut is screwed on the rotating hole of the angle adjusting plate, then the two convex plates of the second group are clamped between the T-shaped plate and the reference plate, the two convex plates of the second group are abutted against the T-shaped plate, and then the two convex plates of the second group are welded and fixed with the bosses;
6) welding and fixing the two convex plates and the bosses of the rest group by adopting the operation of the step 5);
7) screwing out the adjusting nut, removing the angle adjusting plate and the cushion block in sequence, screwing out the fastening screw, and removing the positioning bracket from the boss;
d. cleaning the mounting end plate welded with the convex plate;
e. installing a bearing plate: clockwise installation bearing plate on every group flange, install the rotor plate on every group flange through first threaded rod first, first threaded rod and rotor plate threaded connection, again through second threaded rod installation bearing plate on the rotor plate, second threaded rod and rotor plate threaded connection, rotate rotor plate and bearing plate again, make the bearing plate can support on the inboard of PMSM's motor casing, then twist first lock nut on first threaded rod, first lock nut screws up on the side of flange, twist second lock nut at the second threaded rod simultaneously, second lock nut screws up on the side of connecting plate.
Further, the step b is concretely that the drilling positions of the lug bosses of the mounting end plate are marked, then the first clamping plate is welded on the workbench, then the fixed thread column of the second clamping plate penetrates through the first clamping plate, the distance between the first clamping plate and the second clamping plate is ensured to be larger than the thickness of the mounting end plate, then the fixed nut is screwed on the fixed thread column of the second clamping plate, then the mounting end plate is installed between the first clamping plate and the second clamping plate, then the mounting end plate is rotated, so that the first drilling position of the lug bosses is upwards arranged, then the mounting end plate is clamped by the first clamping plate and the second clamping plate, the fixed nut is screwed on the first clamping plate, then the drilling operation is carried out at the first drilling position of the lug bosses, then the fixed nut is loosened, the second clamping plate is loosened, the mounting end plate is rotated, so that the second drilling position of the lug bosses is upwards arranged, then the mounting end plate is clamped by the first clamping plate and, and the fixing nut is screwed on the first clamping plate, then, the drilling operation is carried out at the second drilling position of the boss, the drilling operation at the second drilling position is circulated to drill the rest drilling positions, and the fixing hole is obtained on the boss. Through fixation nut's elasticity effect for the fixed thread post of second splint removes on first splint, changes the distance between second splint and the first splint, makes second splint and first splint press from both sides tight and loosen the installation end plate, is convenient for rotate the installation end plate, makes the drilling position of boss set up, conveniently drills the operation in the drilling position department of boss.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
1. when the motor end cover of the permanent magnet synchronous motor is connected with the motor shell of the permanent magnet synchronous motor, the mounting end plate is mounted in the motor end cover of the permanent magnet synchronous motor, and the pressure-bearing structure is supported on the inner side of the motor shell of the permanent magnet synchronous motor, so that the interior of the motor shell of the permanent magnet synchronous motor can be subjected to shaping support, and the motor shell of the permanent magnet synchronous motor is prevented from deforming.
2. The bearing structure comprises a convex plate, a rotating plate and a bearing plate, wherein a first threaded rod is connected to the lower end of the rotating plate in a threaded mode, the convex plate is arranged on the first threaded rod, a first locking nut is connected to the first threaded rod in a threaded mode, the first locking nut is screwed on the side face of the convex plate, the convex plate is welded on a boss, a second threaded rod is connected to the upper end of the rotating plate in a threaded mode, a connecting plate is welded to the inner side of the bearing plate and arranged on the second threaded rod, a second locking nut is connected to the second threaded rod in a threaded mode, the second locking nut is screwed on the side face of the connecting plate, and the bearing plate abuts against the inner side of a motor shell of the. When the first locking nut is in a loosening state, the first threaded rod can be rotated on the convex plate, the angle of the rotating plate on the convex plate is adjusted, when the second locking nut is in a loosening state, the connecting plate can be rotated on the second threaded rod, the angle of the bearing plate on the rotating plate is adjusted, after the angles of the rotating plate and the bearing plate are respectively adjusted, the first locking nut is screwed on the side surface of the convex plate, and the second locking nut is screwed on the side surface of the connecting plate; through the angular adjustment of rotor plate and bearing plate angle for the bearing plate can support on permanent magnet synchronous machine's motor housing's inboard, can stereotype the support to permanent magnet synchronous machine's motor housing's inside, prevents that permanent magnet synchronous machine's motor housing from appearing the deformation phenomenon.
3. In the installation process, the positioning holes in the positioning fixing plate are aligned with the fixing holes in the boss, and the fastening screws are screwed between the positioning holes and the fixing holes, so that the positioning support can be fixed on the boss, and the boss is convenient to position and weld at the later stage. When the convex plate is welded in a positioning mode, the cushion block is sleeved on the positioning shaft, the rotating hole of the angle adjusting plate is arranged on the positioning shaft, the angle adjusting plate is placed on the cushion block, so that the angle adjusting plate and the positioning support have a moving distance, and the angle adjusting plate can rotate on the positioning shaft conveniently. Then measure the boss, place two convex plates of first group in the welding position department of boss, move the T template on the reference plate again, support two convex plates of first group with the T template, two convex plates of the spacing first group of T template and reference plate, twist the screw again between T template and reference plate, then twist adjusting nut on the location axle to screw adjusting nut on the rotation hole of angle adjustment board, then with two convex plates of first group and boss welded fastening. The position of the T-shaped plate on the reference plate can be determined by taking the two convex plates of the first group as a reference, the set rotating angle is rotated through the angle adjusting plate, then the T-shaped plate is taken as the reference, the convex plates are limited between the T-shaped plate and the reference plate, and the two convex plates of the rest groups are welded and fixed with the bosses, so that the convex plates are uniformly arranged at the set positions of the bosses, and the measuring times of the bosses can be reduced. And when with flange and boss welded fastening, the flange card is gone into between T template and the reference plate, and the flange supports the T template simultaneously, and adjusting nut screws up on angle adjustment board's rotation hole, and angle adjustment board is fixed on the cushion for the flange is in the settlement position department of boss all the time, does not receive the external influence, and the welding position deviation problem can not appear in the flange, and the flange can only carry out vertical position adjustment, can improve the welding precision of flange and boss, improves the welding quality of flange and boss.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
fig. 1 is a schematic structural view of a body deformation preventing device for a permanent magnet synchronous motor according to the present invention;
FIG. 2 is a schematic view of the present invention in a configuration where the boss is drilled in the table;
FIG. 3 is a schematic view of the connection between the first clamping plate and the second clamping plate according to the present invention;
FIG. 4 is a schematic view of the positioning bracket mounted to the boss according to the present invention;
FIG. 5 is a schematic view of a positioning bracket according to the present invention;
FIG. 6 is a schematic structural view of the first set of two flanges welded to the boss of the present invention;
FIG. 7 is a schematic view showing the structure of the connection between the T-shaped plate and the reference plate according to the present invention;
FIG. 8 is a schematic view of the structure of the present invention in which the convex plate and the boss are welded and fixed;
fig. 9 is a schematic structural view of the present invention in the state of mounting the pressure bearing plate.
In the drawings, 1-installation of the end plate; 2-a through hole; 3-a pressure bearing structure; 4-boss; 5-fixing holes; 6-convex plate; 7-a rotating plate; 8-a pressure bearing plate; 9-a first threaded rod; 10-a first locking nut; 11-a second threaded rod; 12-a connecting plate; 13-a second lock nut; 14-a workbench; 15-a first splint; 16-a second splint; 17-a fixed threaded post; 18-a fixing nut; 19-positioning plate; 20-positioning the shaft; 21-positioning the connecting rod; 22-positioning the fixing plate; 23-a fastening screw; 24-an angle adjustment plate; 25-a reference plate; 26-rotation hole; 27-T type board; 28-cushion block; 29-adjusting the nut.
Detailed Description
As shown in fig. 1 to 9, the device for preventing a machine body from deforming for a permanent magnet synchronous motor according to the present invention includes a mounting end plate 1, a through hole 2 is formed in a center position of the mounting end plate 1, and the mounting end plate 1 is mounted in a motor end cover of the permanent magnet synchronous motor. At least four groups of pressure-bearing structures 3 are installed on the installation end plate 1, the pressure-bearing structures 3 are arranged in a rotational symmetry mode, and the pressure-bearing structures 3 are supported on the inner side of a motor shell of the permanent magnet synchronous motor.
The installation end plate 1 is equipped with boss 4, and through-hole 2 passes boss 4, and boss 4's setting is convenient for the pressure-bearing structure 3 to stretch into PMSM's motor casing for PMSM's motor end cover passes through high strength bolt and PMSM's motor casing quick fixed connection, and the pressure-bearing structure 3 is installed on boss 4. The lateral part of boss 4 is equipped with fixed orifices 5, and fixed orifices 5 are used for the fixed of later stage locating support. The boss 4 and the mounting end plate 1 are of an integrated structure, so that the boss 4 and the mounting end plate 1 can be integrally manufactured, and batch manufacturing of the boss 4 and the mounting end plate 1 is facilitated.
Pressure-bearing structure 3 includes flange 6, rotor plate 7 and pressure-bearing plate 8, and the lower extreme threaded connection of rotor plate 7 has first threaded rod 9, and on first threaded rod 9 was located to flange 6, first threaded rod 9 can be on flange 6 lateral shifting, and 9 threaded connection of first threaded rod has first lock nut 10, and first lock nut 10 is screwed up on the side of flange 6, and flange 6 welds on boss 4. The upper end of the rotating plate 7 is in threaded connection with a second threaded rod 11, a connecting plate 12 is welded on the inner side of the bearing plate 8, the connecting plate 12 is arranged on the second threaded rod 11, the second threaded rod 11 can transversely move on the connecting plate 12, a second locking nut 13 is in threaded connection with the second threaded rod 11, the second locking nut 13 is screwed on the side face of the connecting plate 12, and the bearing plate 8 abuts against the inner side of a motor shell of the permanent magnet synchronous motor. When the first locking nut 10 is in a loosening state, the first threaded rod 9 can be rotated on the convex plate 6, the angle of the rotating plate 7 on the convex plate 6 is adjusted, when the second locking nut 13 is in a loosening state, the connecting plate 12 can be rotated on the second threaded rod 11, the angle of the pressure bearing plate 8 on the rotating plate 7 is adjusted, after the angles of the rotating plate 7 and the pressure bearing plate 8 are respectively adjusted, the first locking nut 10 is screwed on the side surface of the convex plate 6, and the second locking nut 13 is screwed on the side surface of the connecting plate 12; through the angular adjustment of rotor plate 7 and 8 angles of bearing plate for bearing plate 8 can support on the inboard of PMSM's motor casing, can stereotype the support to PMSM's motor casing's inside, prevents that PMSM's motor casing from appearing the deformation phenomenon. The bearing plate 8 is arc-shaped, and the contact area between the bearing plate 8 and the inner side of the motor shell of the permanent magnet synchronous motor can be increased.
When the motor end cover of the permanent magnet synchronous motor is connected with the motor shell of the permanent magnet synchronous motor, the mounting end plate 1 is mounted in the motor end cover of the permanent magnet synchronous motor, and the pressure-bearing structure 3 is supported on the inner side of the motor shell of the permanent magnet synchronous motor, so that the interior of the motor shell of the permanent magnet synchronous motor can be shaped and supported, and the motor shell of the permanent magnet synchronous motor is prevented from deforming.
A mounting method of a machine body anti-deformation device for a permanent magnet synchronous motor comprises the following steps:
a. an installation end plate 1 is prepared, and the installation end plate 1 and the boss 4 are manufactured in an integrated mode.
b. Drilling the boss 4 on the worktable 14 to obtain a fixing hole 5:
the drilling position of the boss 4 of the mounting end plate 1 is marked, then the first clamping plate 15 is welded on the workbench 14, and then the fixed threaded column 17 of the second clamping plate 16 penetrates through the first clamping plate 15, and the distance between the first clamping plate 15 and the second clamping plate 16 is ensured to be larger than the thickness of the mounting end plate 1. Then, the fixing nut 18 is screwed into the fixing threaded post 17 of the second clamping plate 16, and the mounting end plate 1 is inserted between the first clamping plate 15 and the second clamping plate 16. Then, the mounting end plate 1 is rotated to enable the first drilling position of the boss 4 to be arranged upwards, the mounting end plate 1 is clamped by the first clamping plate 15 and the second clamping plate 16, the fixing nut 18 is screwed on the first clamping plate 15, and then drilling operation is carried out at the first drilling position of the boss 4. Then the fixing nut 18 is loosened, the second clamping plate 16 is loosened, the mounting end plate 1 is rotated so that the second drilling position of the boss 4 is arranged upwards, the mounting end plate 1 is clamped by the first clamping plate 15 and the second clamping plate 16, the fixing nut 18 is screwed on the first clamping plate 15, and then drilling operation is carried out at the second drilling position of the boss 4. The drilling operation of the second drilling position is cycled to drill the remaining drilling positions to obtain the fixing holes 5 on the bosses 4. Through fixation nut 18's elasticity effect for the fixed thread post 17 of second splint 16 moves on first splint 15, changes the distance between second splint 16 and the first splint 15, makes second splint 16 and first splint 15 tight with loosen the clamp of installation end plate 1, is convenient for rotate installation end plate 1, makes the drilling position of boss 4 set up, conveniently carries out drilling operation in the drilling position department of boss 4.
c. And (3) positioning and welding the convex plate 6:
1) a positioning shaft 20 is welded at the center of the positioning plate 19, two positioning connecting rods 21 are welded on the side surface of the positioning plate 19, and the included angle between the two positioning connecting rods 21 is 180 degrees. Then, two positioning fixing plates 22 are prepared, and positioning holes are formed in the positioning fixing plates 22 in advance and matched with the fixing holes 5. And then according to the diameter of the boss 4, welding a positioning fixing plate 22 on the bottom surface of the end part of the positioning connecting rod 21 to complete the installation of the positioning bracket.
2) The positioning bracket is erected on the boss 4, the positioning hole on the positioning fixing plate 22 is aligned with the fixing hole 5 on the boss 4, and the fastening screw 23 is screwed between the positioning hole and the fixing hole 5.
3) An angle adjusting plate 24 is prepared, the angle adjusting plate 24 is provided with a rotating hole 26 and two reference plates 25 in advance, the diameter of the rotating hole 26 is the same as that of the positioning shaft 20, and the distance between the inner sides of the two reference plates 25 is the distance between the outer sides of the two convex plates 6. And a T-shaped plate 27 is arranged between the two reference plates 25 to complete the installation of the angle adjusting bracket.
4) The positioning shaft 20 is sleeved with a cushion block 28, the rotating hole 26 of the angle adjusting plate 24 is arranged on the positioning shaft 20, and the angle adjusting plate 24 is placed on the cushion block 28. Then measure boss 4, place two protruding boards 6 of first group in the welding position department of boss 4, move T type board 27 on reference plate 25 again, support T type board 27 two protruding boards 6 of first group, two protruding boards 6 of first group are spacing to T type board 27 and reference plate 25, and the screw is screwed in between T type board 27 and reference plate 25 again. Then, the adjusting nut 29 is screwed into the positioning shaft 20, the adjusting nut 29 is screwed into the rotating hole 26 of the angle adjusting plate 24, and then the two convex plates 6 of the first group are welded and fixed with the boss 4.
5) And obtaining the rotation angle between each group of convex plates 6 according to the number of the convex plates 6. The adjusting nut 29 is then loosened and a force is applied upwards to the angle adjusting plate 24, and the T-shaped plate 27 and the reference plate 25 are disengaged from the two flanges 6 of the first set. Then the angle adjusting plate 24 is rotated by a set rotation angle, the angle adjusting plate 24 is placed on the cushion block 28, the adjusting nut 29 is screwed on the rotation hole 26 of the angle adjusting plate 24, then the two convex plates 6 of the second group are clamped between the T-shaped plate 27 and the reference plate 25, the two convex plates 6 of the second group are abutted against the T-shaped plate 27, and then the two convex plates 6 of the second group are welded and fixed with the boss 4.
6) And 5) welding and fixing the two convex plates 6 of the rest group with the boss 4 by adopting the operation of the step 5).
7) And screwing out the adjusting nut 29, removing the angle adjusting plate 24 and the cushion block 28 in sequence, screwing out the fastening screw 23, and removing the positioning bracket from the boss 4.
d. The mounting end plate 1 welded with the convex plate 6 is cleaned.
e. Installing a bearing plate 8: clockwise installation bearing plate 8 on every group flange 6, install rotor plate 7 through first threaded rod 9 on every group flange 6 first, first threaded rod 9 and rotor plate 7 threaded connection, again through second threaded rod 11 installation bearing plate 8 on rotor plate 7, second threaded rod 11 and rotor plate 7 threaded connection, rotate rotor plate 7 and bearing plate 8 again for bearing plate 8 can support on the inboard of PMSM's motor casing, then twist first lock nut 10 on first threaded rod 9, first lock nut 10 screws up on the side of flange 6, screw in second lock nut 13 on second threaded rod 11 simultaneously, second lock nut 13 screws up on the side of connecting plate 12.
In the installation process, the positioning hole on the positioning fixing plate 22 is aligned with the fixing hole 5 on the boss 4, and the fastening screw 23 is screwed between the positioning hole and the fixing hole 5, so that the positioning bracket can be fixed on the boss 4, and the boss 6 can be conveniently positioned and welded at the later stage. When the convex plate 6 is welded in a positioning mode, the cushion block 28 is sleeved on the positioning shaft 20, the rotating hole 26 of the angle adjusting plate 24 is arranged on the positioning shaft 20, and the angle adjusting plate 24 is placed on the cushion block 28, so that the angle adjusting plate 24 has a moving distance with the positioning support, and the angle adjusting plate 24 can rotate on the positioning shaft 20 conveniently. Then, the boss 4 is measured, the first two convex plates 6 are placed at the welding position of the boss 4, the T-shaped plate 27 is moved on the reference plate 25, the T-shaped plate 27 is abutted against the first two convex plates 6, the first two convex plates 6 are limited by the T-shaped plate 27 and the reference plate 25, the screws are screwed between the T-shaped plate 27 and the reference plate 25, the adjusting nuts 29 are screwed on the positioning shafts 20, the adjusting nuts 29 are screwed on the rotating holes 26 of the angle adjusting plate 24, and then the first two convex plates 6 and the boss 4 are welded and fixed. The position of the T-shaped plate 27 on the reference plate 25 can be determined by taking the two convex plates 6 of the first group as a reference, the set rotating angle is rotated through the angle adjusting plate 24, then the T-shaped plate 27 is taken as a reference, the convex plates 6 are limited between the T-shaped plate 27 and the reference plate 25, and the two convex plates 6 of the rest groups are welded and fixed with the boss 4, so that the convex plates 6 are uniformly arranged at the set position of the boss 4, and the measuring times of the boss 4 can be reduced. And when with flange 6 and boss 4 welded fastening, flange 6 blocks into between T template 27 and the reference plate 25, flange 6 supports T template 27 simultaneously, adjusting nut 29 is screwed up on angle adjustment plate 24's rotation hole 26, angle adjustment plate 24 is fixed on cushion 28, make flange 6 be in boss 4's settlement position department all the time, do not receive the external influence, flange 6 can not appear welding position deviation problem, flange 6 can only carry out vertical position adjustment, can improve the welding precision of flange 6 and boss 4, improve the welding quality of flange 6 and boss 4.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made based on the present invention to solve the same technical problems and achieve the same technical effects are within the scope of the present invention.
Claims (1)
1. A method for installing a machine body anti-deformation device for a permanent magnet synchronous motor,
the anti-deformation device for the machine body of the permanent magnet synchronous motor comprises a mounting end plate, wherein a through hole is formed in the center of the mounting end plate, the mounting end plate is mounted in a motor end cover of the permanent magnet synchronous motor, at least four groups of pressure-bearing structures are mounted on the mounting end plate, the pressure-bearing structures are arranged in a rotational symmetry mode and are supported on the inner side of a motor shell of the permanent magnet synchronous motor, a boss is arranged on the mounting end plate, the through hole penetrates through the boss, the pressure-bearing structures are mounted on the boss, fixing holes are formed in the side portion of the boss, the boss and the mounting end plate are of an integrally formed structure, each pressure-bearing structure comprises a convex plate, a rotating plate and a pressure-bearing plate, a first threaded rod is connected to the lower end of the rotating plate in a threaded mode, the convex plate is arranged on, first lock nut screw up in on the side of flange, the flange weld in on the boss, the upper end threaded connection of rotor plate has the second threaded rod, the inboard welding of bearing plate has the connecting plate, the connecting plate is located on the second threaded rod, second threaded rod threaded connection has second lock nut, second lock nut screw up in on the side of connecting plate, the bearing plate supports on permanent magnet synchronous motor's motor casing's inboard, the bearing plate is circular-arcly, and its characterized in that includes following step:
a. preparing a mounting end plate, and integrally forming and manufacturing the mounting end plate and the boss;
b. drilling the boss on the workbench to obtain a fixing hole:
marking the drilling position of a boss of the mounting end plate, welding a first clamping plate on a workbench, penetrating a fixed thread column of a second clamping plate through the first clamping plate, ensuring that the distance between the first clamping plate and the second clamping plate is greater than the thickness of the mounting end plate, screwing a fixing nut on the fixed thread column of the second clamping plate, mounting the mounting end plate between the first clamping plate and the second clamping plate, rotating the mounting end plate to enable a first drilling position of the boss to be arranged upwards, clamping the mounting end plate by using the first clamping plate and the second clamping plate, screwing the fixing nut on the first clamping plate, drilling the first drilling position of the boss, loosening the fixing nut, loosening the second clamping plate, rotating the mounting end plate to enable a second drilling position of the boss to be arranged upwards, clamping the mounting end plate by using the first clamping plate and the second clamping plate, the fixing nut is screwed on the first clamping plate, then drilling operation is carried out at the second drilling position of the boss, the drilling operation at the second drilling position is circulated to drill the rest drilling positions, and a fixing hole is obtained on the boss;
c. positioning and welding the convex plate:
1) welding a positioning shaft at the central position of the positioning plate, welding two positioning connecting rods on the side surface of the positioning plate, wherein the included angle between the two positioning connecting rods is 180 degrees, preparing two positioning fixing plates, wherein the positioning fixing plates are provided with positioning holes in advance, the positioning holes are matched with the fixing holes, and welding the positioning fixing plates on the bottom surfaces of the end parts of the positioning connecting rods according to the diameters of bosses to finish the installation of the positioning support;
2) erecting the positioning bracket on the boss, aligning the positioning hole on the positioning fixing plate with the fixing hole on the boss, and screwing a fastening screw between the positioning hole and the fixing hole;
3) preparing an angle adjusting plate, wherein the angle adjusting plate is provided with a rotating hole and two reference plates in advance, the diameter of the rotating hole is the same as that of the positioning shaft, the distance between the inner sides of the two reference plates is the distance between the outer sides of the two convex plates, and then placing a T-shaped plate between the two reference plates to finish the installation of the angle adjusting bracket;
4) sleeving a cushion block on a positioning shaft, arranging a rotating hole of an angle adjusting plate on the positioning shaft, placing the angle adjusting plate on the cushion block, measuring a boss, placing two convex plates of a first group at the welding position of the boss, moving a T-shaped plate on a reference plate, abutting the T-shaped plate against the two convex plates of the first group, limiting the two convex plates of the first group by the T-shaped plate and the reference plate, screwing a screw between the T-shaped plate and the reference plate, screwing an adjusting nut on the positioning shaft, screwing the adjusting nut on the rotating hole of the angle adjusting plate, and welding and fixing the two convex plates of the first group and the boss;
5) according to the number of the convex plates, the rotating angle between each group of convex plates is obtained, the adjusting nut is unscrewed, an acting force is applied to the angle adjusting plate upwards, the T-shaped plate and the reference plate are separated from the two convex plates of the first group, then the angle adjusting plate is rotated by the set rotating angle, the angle adjusting plate is placed on the cushion block, the adjusting nut is screwed on the rotating hole of the angle adjusting plate, then the two convex plates of the second group are clamped between the T-shaped plate and the reference plate, the two convex plates of the second group are abutted against the T-shaped plate, and then the two convex plates of the second group are welded and fixed with the bosses;
6) welding and fixing the two convex plates and the bosses of the rest group by adopting the operation of the step 5);
7) screwing out the adjusting nut, removing the angle adjusting plate and the cushion block in sequence, screwing out the fastening screw, and removing the positioning bracket from the boss;
d. cleaning the mounting end plate welded with the convex plate;
e. installing a bearing plate: clockwise installation bearing plate on every group flange, install the rotor plate on every group flange through first threaded rod first, first threaded rod and rotor plate threaded connection, again through second threaded rod installation bearing plate on the rotor plate, second threaded rod and rotor plate threaded connection, rotate rotor plate and bearing plate again, make the bearing plate can support on the inboard of PMSM's motor casing, then twist first lock nut on first threaded rod, first lock nut screws up on the side of flange, twist second lock nut at the second threaded rod simultaneously, second lock nut screws up on the side of connecting plate.
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| CN110289742B (en) * | 2019-05-30 | 2021-09-14 | 安徽宏远机械制造有限公司 | Method for manufacturing end cover of low-vibration motor |
| CN111347206B (en) * | 2020-03-13 | 2021-11-23 | 德阳九鼎电气有限公司 | Auxiliary device for assembling positioning rib plate of stator base of wind driven generator |
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| CN109802535A (en) | 2019-05-24 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of invention: The invention relates to a body anti deformation device for permanent magnet synchronous motor and an installation method thereof Effective date of registration: 20211027 Granted publication date: 20200721 Pledgee: Shaoxing Bank Co.,Ltd. Shengzhou sub branch Pledgor: ZHEJIANG JIN YI SPECIAL MOTOR CO.,LTD. Registration number: Y2021330002062 |
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Date of cancellation: 20220421 Granted publication date: 20200721 Pledgee: Shaoxing Bank Co.,Ltd. Shengzhou sub branch Pledgor: ZHEJIANG JIN YI SPECIAL MOTOR CO.,LTD. Registration number: Y2021330002062 |
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Denomination of invention: An anti deformation device for body of permanent magnet synchronous motor and its installation method Effective date of registration: 20220927 Granted publication date: 20200721 Pledgee: Bank of China Limited Shengzhou sub branch Pledgor: ZHEJIANG JIN YI SPECIAL MOTOR CO.,LTD. Registration number: Y2022330002389 |