CN218526194U

CN218526194U - Permanent magnet motor with frequency conversion device

Info

Publication number: CN218526194U
Application number: CN202222828992.XU
Authority: CN
Inventors: 杨自中
Original assignee: Hangzhou Lixin Motor Co ltd
Current assignee: Hangzhou Lixin Motor Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-02-24
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses a permanent-magnet machine with frequency conversion equipment, including motor main body, motor main body's left side is fixed with the front end housing, the right side of front end housing is fixed with the rear end cover piece. This permanent-magnet machine with frequency conversion equipment passes through the motor at the in-process of installation use, the fixing support that can utilize motor main part bottom both ends to set up and the inside locking bolt that runs through the setting of fixing support install fixedly to the motor main part, the motor is in installation and use, if fixing support appears damaging when splitting, can be through respectively in the both sides at the fixing support top with the dismouting bolt after corresponding the inside back-out of following the screw, can tear the fixing support who damages down from the bottom of fixed foot, later replace new fixing support use dismouting bolt fix in the bottom of fixed foot can, be convenient for the maintenance of motor and use, the problem of being not convenient for carry out the dismouting to motor bottom sprag fixed subassembly has been solved.

Description

Permanent magnet motor with frequency conversion device

Technical Field

The utility model relates to a permanent-magnet machine technical field specifically is a permanent-magnet machine with frequency conversion equipment.

Background

The permanent magnet motor is a motor with a permanent magnet as a stator, only a direct current motor with a coil as a rotor is adopted, and a common motor only with a coil as a stator is adopted, so that the structure is simple, the reliability is high, and the efficiency is high.

According to patent number 202122042519.4, application date 2021.08.27, a permanent magnet motor for pump with converter is disclosed, set up the gusset plate through the outside at the installation panel, second installation preformed hole, and can dismantle protective housing and gusset plate and be connected, before using, pass through second installation preformed hole earlier fixing bolt with the gusset plate fixed in the installation face, when the protective housing receives external uncontrollable factor and bumps this moment, because gusset plate and protective housing possess the connectivity, thereby can exert the auxiliary stay power to the protective housing, avoid the connectivity between protective housing and the motor body impaired, and influence this permanent magnet motor's whole result of use.

The permanent magnet motor with the frequency conversion device is in the actual use process:

firstly, most components for supporting and fixing the motor are directly and fixedly connected with the bottom of the motor in a welding way, and when the fixed component at the bottom of the motor is damaged and broken, the maintenance is very inconvenient, the supporting and fixing component at the bottom of the motor is inconvenient to disassemble and assemble, and the later maintenance and use of the motor are inconvenient;

secondly, most of the outside of the motor is exposed to the outside in the using process, and the measure for preventing collision and dust on the outside of the motor is lacked;

the motor is inside to set up fan unit spare can be simultaneously with inside suction such as a large amount of dust in outside and small debris to the motor, leads to the inside fault rate of motor to increase, lacks the measure of carrying on dirt-proof to motor inside.

Disclosure of Invention

An object of the utility model is to provide a permanent-magnet machine with frequency conversion equipment to it is not convenient for carry out the problem of dismouting to the fixed subassembly of motor bottom support to provide in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a permanent magnet motor with a frequency conversion device comprises a motor main body, wherein a front end cover is fixed on the left side of the motor main body, a rear end cover is fixed on the right side of the front end cover, a rotor assembly is transversely arranged in the motor main body, the left side of the rotor assembly penetrates through the left side of the front end cover, the right side of the rotor assembly is fixed with the rear end cover, the right side of the rotor assembly penetrates through the right side of the motor main body and is fixed with an internal fan, a fixed box is fixed on the front end of the motor main body, a frequency converter main body is arranged in the fixed box, a filter screen is arranged on the right side of the rear end cover, and a lifting lug is fixed on the top end of the motor main body;

the motor is characterized in that fixing feet are fixed to two ends of the bottom of the motor main body respectively, a fixing support is arranged at the bottom end of each fixing foot, dismounting bolts are arranged on two sides of the top end of each fixing support in a penetrating mode respectively, locking bolts are arranged on two sides of the bottom of each fixing support in a penetrating mode respectively, and screw holes are formed in two sides of the bottom end of each fixing foot respectively.

Preferably, the fixing feet and the fixing support are symmetrically arranged about a horizontal center line of the motor main body.

Preferably, the both sides of motor main part both ends top and bottom are fixed with the fixed block respectively, the inside of fixed block one end is equipped with the screw hole, the both ends of motor main part are provided with arc outer protective housing respectively, the intermediate position department of arc outer protective housing one end is provided with the preformed groove, the both sides of arc outer protective housing one end top and bottom are run through respectively and are provided with the dismouting pole.

Preferably, the preformed groove runs through the inside of arc outer jacket, the outside of dismouting pole is provided with the external screw thread, the inside of screw hole is provided with the internal thread with external screw thread matched with.

Preferably, the inside on rear end cap right side is provided with the ventilation hole, the left side of filter screen is fixed with annular magnetic paste.

Preferably, the ventilation hole runs through the right side of the rear end cover, and a plurality of groups of ventilation holes are arranged in the right side of the rear end cover.

Preferably, the vent hole communicates with the inside of the rear end cap.

Compared with the prior art, the beneficial effects of the utility model are that: the permanent magnet motor with the frequency conversion device not only realizes convenient disassembly and assembly of the bottom supporting and fixing component of the motor, realizes convenient anti-collision protection of the outside of the motor, but also realizes convenient dust prevention of the inside of the motor;

(1) By arranging the fixing feet, the screw holes, the fixing supports, the locking bolts and the dismounting bolts, the motor can be fixedly installed by utilizing the fixing supports arranged at the two ends of the bottom of the motor main body and the locking bolts arranged in the fixing supports in a penetrating manner in the installation and use process of the motor, if the fixing supports are damaged and broken, the damaged fixing supports can be dismounted from the bottom ends of the fixing feet after the dismounting bolts are correspondingly screwed out from the screw holes at the two sides of the top of the fixing supports respectively, and then the new fixing supports can be replaced to be fixed at the bottoms of the fixing feet by using the dismounting bolts, and the fixing assemblies are detachably arranged, so that the maintenance and use of the motor are facilitated;

(2) By arranging the fixing block, the preformed groove, the threaded holes, the dismounting rods and the arc-shaped outer protecting shells, the two groups of arc-shaped outer protecting shells can be respectively fixed at two ends of the outer part of the motor main body after the arc-shaped outer protecting shells are screwed into the threaded holes in the inner parts of the ends of the fixing block by the dismounting rods arranged at four corners of one end of the arc-shaped outer protecting shells, the outer part of the motor can be protected against collision, and the damage to the structure of the motor is reduced;

(3) Through being provided with the rear end housing, the ventilation hole, filter screen and annular magnetic force subsides, the motor is at the in-process that uses, inside rotor subassembly rotates and to drive interior fan simultaneously and rotates, interior fan rotates and to carry out the suction with the inside ventilation hole that sets up in rear end housing right side, and dispel the heat to the inside position that generates heat of motor, be provided with the filter screen on the right side of rear end housing simultaneously, the filter screen is fixed through magnetism between annular magnetic force subsides and the right side of rear end housing, the filter screen that leads to the setting can filter and get rid of some debris and the hair fibre dust etc. in suction to ventilation hole inside air, reduce and get into the inside dust volume of motor, it is dustproof to inside.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a side view partially sectional enlarged structural view of the fixing support of the present invention;

fig. 3 is an enlarged schematic structural view of a partial section at a in fig. 2 according to the present invention;

fig. 4 is an enlarged schematic view of the partial section of the filter screen in front view.

In the figure: 1. a rotor assembly; 2. a front end cap; 3. a fixed block; 4. a motor main body; 5. a fixing box; 6. lifting lugs; 7. a frequency converter main body; 8. a rear end cap; 9. a filter screen; 10. an inner fan; 11. a screw hole; 12. a fixing leg; 13. a fixed support; 14. locking the bolt; 15. disassembling the bolt; 16. reserving a groove; 17. a threaded hole; 18. disassembling and assembling the rod; 19. an arc-shaped outer protecting shell; 20. a vent hole; 21. the annular magnetic paste.

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.

Example 1: referring to fig. 1-4, a permanent magnet motor with a frequency conversion device includes a motor main body 4, a front end cover 2 is fixed on the left side of the motor main body 4, a rear end cover 8 is fixed on the right side of the front end cover 2, a rotor assembly 1 is transversely arranged inside the motor main body 4, the left side of the rotor assembly 1 penetrates through the left side of the front end cover 2, the right side of the rotor assembly 1 is fixed with the rear end cover 8, the right side of the rotor assembly 1 penetrates through the right side of the motor main body 4 and is fixed with an internal fan 10, a fixing box 5 is fixed on the front end of the motor main body 4, a frequency converter main body 7 is arranged inside the fixing box 5, a filter screen 9 is arranged on the right side of the rear end cover 8, and a lifting lug 6 is fixed on the top end of the motor main body 4;

fixing feet 12 are respectively fixed at two ends of the bottom of the motor main body 4, a fixing support 13 is arranged at the bottom end of each fixing foot 12, dismounting bolts 15 are respectively arranged on two sides of the top end of each fixing support 13 in a penetrating mode, locking bolts 14 are respectively arranged on two sides of the bottom of each fixing support 13 in a penetrating mode, and screw holes 11 are respectively arranged inside two sides of the bottom end of each fixing foot 12;

the fixed feet 12 and the fixed support 13 are symmetrically arranged about the horizontal center line of the motor main body 4;

specifically, as shown in fig. 1 and fig. 2, the fixing support 13 disposed at two ends of the bottom of the motor body 4 and the locking bolt 14 penetrating through the inside of the fixing support 13 can be used to install and fix the motor body 4, and in the installation and use process of the motor, if the fixing support 13 is damaged and broken, the damaged fixing support 13 can be detached from the bottom end of the fixing leg 12 by screwing out the detaching and installing bolt 15 from the inside of the screw hole 11 correspondingly at two sides of the top of the fixing support 13, and then replacing a new fixing support 13 with the detaching and installing bolt 15 to fix the fixing support 13 at the bottom of the fixing leg 12.

Example 2: the fixing blocks 3 are respectively fixed on the top and two sides of the bottom of two ends of the motor main body 4, a threaded hole 17 is formed in one end of each fixing block 3, arc-shaped outer casings 19 are respectively arranged on two ends of the motor main body 4, a reserved groove 16 is formed in the middle of one end of each arc-shaped outer casing 19, dismounting rods 18 are respectively arranged on the top and two sides of the bottom of one end of each arc-shaped outer casing 19 in a penetrating mode, the reserved grooves 16 penetrate through the inner portion of each arc-shaped outer casing 19, external threads are arranged on the outer portions of the dismounting rods 18, and internal threads matched with the external threads are arranged in the threaded holes 17;

specifically, as shown in fig. 1 and fig. 3, the outer protective housing 19 of arc shape can be screwed into the threaded hole 17 inside one end of the fixing block 3 by using the disassembling and assembling rods 18 arranged at four corners of one end to correspond to the threaded holes 17 inside one end of the fixing block at two ends of the motor main body 4, so that the two groups of outer protective housing 19 of arc shape can be fixed at two ends outside the motor main body 4, and the outer protective housing 19 of arc shape can be used for performing anti-collision protection on the outside of the motor.

Example 3: a plurality of groups of ventilation holes 20 are formed in the right side of the rear end cover 8, and the ventilation holes 20 are communicated with the inside of the rear end cover 8;

specifically, as shown in fig. 1 and 4, the rotation of inside rotor subassembly 1 can drive interior fan 10 simultaneously and rotate, interior fan 10 rotates and can carry out the suction with outside air through the inside ventilation hole 20 that sets up in rear end housing 8 right side, and dispel the heat to the inside position that generates heat of motor, be provided with filter screen 9 on rear end housing 8's right side simultaneously, filter screen 9 is fixed through magnetism between the right side of annular magnetic force subsides 21 and rear end housing 8, use filter screen 9 can filter and get rid of some debris and batting dust etc. in the suction to ventilation hole 20 inside air, prevent dust to inside.

The working principle is as follows: when the utility model is used, the frequency of the input three-phase alternating current can be changed to change the rotating speed of the motor when in use through the arranged frequency converter main body 7, the motor body 4 can be installed and fixed by using the fixed support 13 arranged at the two ends of the bottom of the motor body 4 and the locking bolt 14 arranged in the fixed support 13 in a penetrating way, when the motor is installed and used, if the fixed support 13 is damaged and broken, after the dismounting bolts 15 are correspondingly screwed out from the inner parts of the screw holes 11 respectively at both sides of the top of the fixing support 13, the damaged fixed support 13 can be detached from the bottom end of the fixed foot 12, and then the fixed support 13 can be replaced with a new fixed support 13 and fixed on the bottom of the fixed foot 12 by using the dismounting bolt 15, meanwhile, in the process of installing and using the motor, after the arc-shaped outer protective shell 19 is screwed into the threaded holes 17 in one end of the fixed block 3 by utilizing the dismounting rods 18 arranged at the four corners of one end respectively at the two ends of the motor main body 4, the two groups of arc-shaped outer protective shells 19 can be respectively fixed at two ends of the outer part of the motor body 4, the outer part of the motor can be protected against collision, the damage of the motor structure is reduced, the inner rotor assembly 1 can simultaneously drive the inner fan 10 to rotate, the inner fan 10 can draw in the outside air through the ventilation hole 20 arranged in the right side of the rear end cover 8 and dissipate the heat of the heating part in the motor through the rotation of the inner fan 10, simultaneously, a filter screen 9 is arranged on the right side of the rear end cover 8, the filter screen 9 is fixed by magnetic attraction between the right sides of the annular magnetic sticker 21 and the rear end cover 8, the filter screen 9 which is arranged in a through mode can filter and remove sundries, fur and wool dust and the like in the air from the suction hole 20 to the inside of the motor, and the inside of the motor is dustproof.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.

Claims

1. The utility model provides a permanent-magnet machine with frequency conversion device, includes motor body (4), its characterized in that: a front end cover (2) is fixed on the left side of the motor main body (4), a rear end cover (8) is fixed on the right side of the front end cover (2), a rotor assembly (1) is transversely arranged in the motor main body (4), the left side of the rotor assembly (1) penetrates through the left side of the front end cover (2), the rear end cover (8) is fixed on the right side of the rotor assembly (1), the right side of the rotor assembly (1) penetrates through the right side of the motor main body (4) and is fixed with an inner fan (10), a fixed box (5) is fixed on the front end of the motor main body (4), a frequency converter main body (7) is arranged in the fixed box (5), a filter screen (9) is arranged on the right side of the rear end cover (8), and a lifting lug (6) is fixed on the top end of the motor main body (4);

the motor is characterized in that two ends of the bottom of the motor main body (4) are respectively fixed with a fixing foot (12), the bottom end of the fixing foot (12) is provided with a fixing support (13), two sides of the top end of the fixing support (13) are respectively provided with a dismounting bolt (15) in a penetrating mode, two sides of the bottom of the fixing support (13) are respectively provided with a locking bolt (14) in a penetrating mode, and screw holes (11) are respectively formed in the two sides of the bottom end of the fixing foot (12).

2. The permanent magnet motor with the frequency conversion device according to claim 1, wherein: the fixed feet (12) and the fixed support (13) are symmetrically arranged relative to the horizontal center line of the motor main body (4).

3. The permanent magnet motor with the frequency conversion device according to claim 1, wherein: the motor is characterized in that fixed blocks (3) are fixed to the top of the two ends of the motor body (4) and the two sides of the bottom of the motor body (4) respectively, threaded holes (17) are formed in the inner portion of one end of each fixed block (3), arc-shaped outer protective shells (19) are arranged at the two ends of the motor body (4) respectively, a reserved groove (16) is formed in the middle position of one end of each arc-shaped outer protective shell (19), and dismounting rods (18) are arranged on the top of one end of each arc-shaped outer protective shell (19) and the two sides of the bottom of each arc-shaped outer protective shell in a penetrating mode respectively.

4. The permanent magnet motor with the frequency conversion device according to claim 3, wherein: the preformed groove (16) penetrates through the inner part of the arc-shaped outer protective shell (19), an external thread is arranged on the outer part of the dismounting rod (18), and an internal thread matched with the external thread is arranged in the threaded hole (17).

5. The permanent magnet motor with the frequency conversion device according to claim 1, wherein: the inside on rear end cap (8) right side is provided with ventilation hole (20), the left side of filter screen (9) is fixed with annular magnetic paste (21).

6. The permanent magnet motor with the frequency conversion device according to claim 5, wherein: the right side of rear end lid (8) is run through in ventilation hole (20), ventilation hole (20) are provided with the multiunit in rear end lid (8) right side inside.

7. The permanent magnet motor with the frequency conversion device according to claim 5, wherein: the vent hole (20) is communicated with the inside of the rear end cover (8).