CN112202314B

CN112202314B - Permanent magnet speed regulator with dust removal structure

Info

Publication number: CN112202314B
Application number: CN202011073031.1A
Authority: CN
Inventors: 许利明
Original assignee: Anhui Wofu Permanent Magnet Technology Co Ltd
Current assignee: Anhui Wofu Permanent Magnet Technology Co Ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-12-07
Anticipated expiration: 2040-10-09
Also published as: CN112202314A

Abstract

The invention discloses a permanent magnet speed regulator with a dust removal structure, which relates to the technical field of permanent magnet speed regulators and comprises a base plate, a driving shaft and a driven shaft, wherein the upper surface of the base plate is fixedly connected with a shell, the bottom end inside the shell is fixedly connected with a fixed seat, the upper surface of the fixed seat is provided with a cleaning frame, the cleaning frame is sleeved outside the driven shaft, one side of the cleaning frame, which faces a conductor rotor, is provided with a plurality of working grooves, and the insides of the working grooves are fixedly connected with cleaners. The cleaning frame is arranged on one side of the radial air gap of the electromagnetic regulator, the plurality of cleaners are arranged in the cleaning frame, and the cleaning brushes in the cleaners can reciprocate under the action of electromagnetic force and springs, so that the members and coils on two sides of the radial air gap can be cleaned.

Description

Permanent magnet speed regulator with dust removal structure

Technical Field

The invention relates to the technical field of permanent magnet speed regulators, in particular to a permanent magnet speed regulator with a dust removal structure.

Background

The regulator adjusts the relative position of the cylindrical permanent magnet rotor and the cylindrical conductor rotor in the axial direction to change the coupling effective part of the permanent magnet rotor and the conductor rotor, namely the torque transmitted between the permanent magnet rotor and the conductor rotor can be changed, repeatable, adjustable and controllable output torque and rotating speed can be realized, the purpose of speed regulation and energy conservation is realized, and the permanent magnet speed regulator mainly comprises three components: permanent magnet rotor, conductor rotor, speed adjusting mechanism.

The Chinese patent discloses a permanent magnet speed regulator (publication number: CN104811000B), which comprises a cylindrical conductor rotor, a permanent magnet rotor and a magnetic yoke, wherein the conductor rotor, the permanent magnet rotor and the magnetic yoke are coaxially arranged, the permanent magnet rotor is positioned in an inner cavity of the conductor rotor, a radial air gap is arranged between the permanent magnet rotor and the conductor rotor, the magnetic yoke is positioned at the outer side of the permanent magnet rotor, the magnetic yoke can axially move, and the magnetic field intensity of the radial air gap is adjusted by adjusting the distance between the magnetic yoke and the permanent magnet rotor.

After the existing permanent magnet speed regulator is used for a long time, the inner coil part of the permanent magnet speed regulator can adsorb a large amount of dust, and certain influence can be caused on the power and the service life of equipment.

Disclosure of Invention

In order to overcome the technical problems that after the existing permanent magnet speed regulator is used for a long time, the inner coil part of the existing permanent magnet speed regulator adsorbs a large amount of dust, and certain influence is caused on the power and the service life of equipment, but the existing permanent magnet speed regulator is inconvenient to disassemble, so that the cleaning is difficult, the cleaning difficulty is high, and the device is easily damaged in the disassembling and cleaning processes, the invention aims to provide the permanent magnet speed regulator with the dust removal structure.

The purpose of the invention can be realized by the following technical scheme:

a permanent magnet speed regulator with a dust removal structure comprises a base plate, a driving shaft and a driven shaft, wherein a shell is fixedly connected to the upper surface of the base plate, the driving shaft and the driven shaft respectively penetrate through two sides of the shell, supporting frames are sleeved on the outer sides of the driving shaft and the driven shaft, the supporting frames are in threaded connection with the inside of the shell, a conductor rotor is installed at one end of the driving shaft, a conductor ring is fixedly connected to the inside of the conductor rotor, a permanent magnet rotor is fixedly connected to the outer side of the driven shaft and located inside the conductor ring, a lead screw sleeve is fixedly connected to one side of the permanent magnet rotor, a guide magnet yoke is fixedly connected to the outer side of the lead screw sleeve, a fixing seat is fixedly connected to the bottom end inside the shell, a cleaning frame is installed on the upper surface of the fixing seat and sleeved on the outer side of the driven shaft, and a plurality of working grooves are formed in the cleaning frame towards one side of the conductor rotor, the interior of the working groove is fixedly connected with a cleaner.

As a further scheme of the invention: the cleaner includes electro-magnet and fixed pipe, electro-magnet and fixed pipe all with the inner wall fixed connection in work groove, and the recess of round platform shape is seted up to the inside of electro-magnet, fixed pipe is located the middle part of electro-magnet recess, the coil of electro-magnet is laid in the inner wall of recess, the outside sliding connection of fixed pipe has the magnetic block, the magnetic block is the component of a round platform shape, and the slope of magnetic block side is the same with the slope of electro-magnet recess, fixedly connected with second reset spring between the inside of fixed pipe and the magnetic block, the one end fixedly connected with cleaning brush of electro-magnet is kept away from to the magnetic block.

As a further scheme of the invention: the conductor rotor is fixedly connected with an inserting block at one side facing the driving shaft, a fixed shaft is fixedly connected with the other side of the conductor rotor, the inserting block is in interference fit connection with the inserting hole, the fixed shaft is embedded in the driven shaft, and a plurality of bearings are arranged between the fixed shaft and the driven shaft.

As a further scheme of the invention: the side of conductor rotor is the annular and has seted up a plurality of vent, radial air gap between vent and conductor ring and the permanent magnet rotor is in same axle center direction, a plurality of small-size fans of one side fixedly connected with of shell inside, the air intake of small-size fan runs through shell and outside intercommunication, and the inside spiro union of small-size fan air intake has the filter screen.

As a further scheme of the invention: the equal fixedly connected with embedded piece in both sides of cleaning frame lower surface, the embedded groove has all been seted up to the both sides of fixing base upper surface, the inside at the embedded groove is connected to the embedded piece interference.

As a further scheme of the invention: the inside sliding connection of fixing base has fixed the knot, fixed the knot including the sliding frame, the first reset spring of fixedly connected with a plurality of between sliding frame and the fixing base, and the sliding frame runs through the fixed handle of one side fixedly connected with of shell, the equal fixedly connected with stopper in both sides inside the sliding frame, both sides the stopper runs through the both sides of embedded groove and embedded piece respectively.

As a further scheme of the invention: the use method of the permanent magnet speed regulator comprises the following steps: the inserting block of the conductor rotor is connected to the inside of an inserting hole of a driving shaft in an interference mode, the driven shaft is arranged on the outer side of a fixed shaft through a bearing sleeve, then two groups of supporting frames are respectively sleeved on the outer sides of the driving shaft and the driven shaft, then the two groups of supporting frames and the components are arranged in a base plate and a shell and are assembled, then a fixing buckle is stretched, a limiting block is taken away from an embedded groove, a cleaning frame is sleeved on the outer side of the driven shaft, the embedded block is embedded into the embedded groove in a fixed seat, the fixing buckle is loosened, the fixing buckle is pulled back by a first reset spring, and after restoration, the limiting block can be driven to be embedded into the embedded groove and the embedded block, and the cleaning frame is fixed;

the cleaning device comprises a cleaner, a first return spring, a second return spring, a first fixing tube, a second fixing tube, a first coil, a second coil, a first fixing tube, a second return spring, a second fixing tube, a first conductor ring, a permanent magnet rotor, a second return spring, a second conductor ring, a second permanent magnet rotor, a first return spring, a second return spring, a first return spring and a second return spring, wherein the first return spring is arranged between the first fixing tube and the second fixing tube;

and starting the small fan, driving the air to flow by the small fan, and enabling the flowing air to flow to the radial air gap of the conductor ring and the permanent magnet rotor along the ventilation opening to perform secondary cleaning on the dust swept out by the small fan.

The invention has the beneficial effects that:

1. the invention installs a cleaning frame at one side of the radial air gap of the electromagnetic regulator, a plurality of cleaners are installed in the cleaning frame, the cleaning brush in the cleaners can do reciprocating motion under the action of the electromagnetic force and the spring, thereby cleaning the components and the coils at the two sides of the radial air gap, having simple structure and convenient use, when not in use, the normal work of the electromagnetic regulator is not influenced, and when the electromagnetic regulator is cleaned, the device is not required to be disassembled, meanwhile, a small fan is arranged in the device, a vent is also arranged at the corresponding position of the conductor rotor, after being cleaned by the cleaning brush, the dust can be blown out from the radial air gap by the small fan, the dust is prevented from being continuously adsorbed in the radial air gap, on the other hand, the cleaning frame is fixed on the fixed seat through the fixing buckle, so that the cleaning equipment is convenient for workers to maintain and repair.

2. According to the electromagnetic regulator, the interference connecting component is arranged between the driving shaft and the conductor rotor, so that the integrity and firmness between the driving shaft and the conductor rotor can be improved, the problem of slipping or loosening between the driving shaft and the conductor rotor after long-time use can be prevented, and on the other hand, the driven shaft is arranged on the fixed shaft through the bearing, so that the stability of the driven shaft during working can be improved, and the problem of deflection during working can be prevented.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partial cross-sectional view of a cleaning rack of the present invention;

FIG. 3 is an assembled view of the drive shaft and conductor rotor of the present invention;

FIG. 4 is a schematic view of the connection of the driven shaft to the fixed shaft in the present invention;

FIG. 5 is an assembled sectional view of the cleaning frame and the fixing base of the present invention;

FIG. 6 is a sectional top view of the holder of the present invention.

In the figure: 1. a substrate; 2. a drive shaft; 3. a housing; 4. a driven shaft; 5. a support frame; 6. a conductor rotor; 7. a conductor ring; 8. a permanent magnet rotor; 9. a screw sleeve; 10. a magnetic yoke; 11. a cleaning frame; 12. a working groove; 13. a cleaner; 14. a fixed seat; 15. a fixing buckle; 16. a first return spring; 17. a small fan; 18. a vent; 19. a fixed shaft; 20. a bearing; 131. an electromagnet; 132. a fixed tube; 133. a magnetic block; 134. a second return spring; 135. a cleaning brush; 21. an insertion opening; 61. inserting a block; 141. a groove is embedded; 151. fixing a handle; 152. a sliding frame; 153. a limiting block; 111. and embedding the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a permanent magnet speed regulator with a dust removing structure includes a substrate 1, a driving shaft 2 and a driven shaft 4, a housing 3 is fixedly connected to an upper surface of the substrate 1, the driving shaft 2 and the driven shaft 4 respectively penetrate through two sides of the housing 3, a support frame 5 is respectively sleeved on outer sides of the driving shaft 2 and the driven shaft 4, the support frame 5 is in threaded connection with an inner portion of the housing 3, a conductor rotor 6 is installed at one end of the driving shaft 2, a conductor ring 7 is fixedly connected to an inner portion of the conductor rotor 6, a permanent magnet rotor 8 is fixedly connected to an outer side of the driven shaft 4, the permanent magnet rotor 8 is located inside the conductor ring 7, a lead screw sleeve 9 is fixedly connected to one side of the permanent magnet rotor 8, a guide magnet yoke 10 is fixedly connected to an outer side of the lead screw sleeve 9, a fixing seat 14 is fixedly connected to a bottom end inside the housing 3, a cleaning frame 11 is installed on an upper surface of the fixing seat 14, and the cleaning frame 11 is sleeved on an outer side of the driven shaft 4, and cleaning frame 11 has seted up a plurality of work groove 12 towards one side of conductor rotor 6, the equal fixedly connected with cleaner 13 in inside of work groove 12, the side of conductor rotor 6 is the annular and has seted up a plurality of vent 18, the radial air gap between vent 18 and conductor ring 7 and the permanent magnet rotor 8 is in same axle center direction, one side fixedly connected with a plurality of small-size fans 17 of shell 3 inside, the air intake of small-size fan 17 runs through shell 3 and outside intercommunication, and the inside spiro union of small-size fan 17 air intake has the filter screen, through small-size fan 17, can blow the dust that cleaner 13 clearance dropped, prevent that it from continuing to pile up in radial air gap.

Referring to fig. 2, the cleaner 13 includes an electromagnet 131 and a fixed tube 132, the electromagnet 131 and the fixed tube 132 are both fixedly connected to the inner wall of the working tank 12, a truncated cone-shaped groove is formed in the electromagnet 131, the fixed tube 132 is located in the middle of the groove of the electromagnet 131, a coil of the electromagnet 131 is laid in the inner wall of the groove, a magnetic block 133 is slidably connected to the outer side of the fixed tube 132, the magnetic block 133 is a truncated cone-shaped member, the slope of the side of the magnetic block 133 is the same as the slope of the groove of the electromagnet 131, a second return spring 134 is fixedly connected between the inner portion of the fixed tube 132 and the magnetic block 133, a cleaning brush 135 is fixedly connected to one end of the magnetic block 133 away from the electromagnet 131, the fixed tube 132 is made of an insulating plastic material, and when the cleaning brush 135 moves, dust on the surfaces of the members on both sides of the radial air gap can be cleaned.

Referring to fig. 3-4, an insertion opening 21 is formed in the driving shaft 2, the insertion opening 21 is a prismatic member, one side of the conductor rotor 6 facing the driving shaft 2 is fixedly connected with an insertion block 61, the other side of the conductor rotor 6 is fixedly connected with a fixed shaft 19, the insertion block 61 is in interference connection with the insertion opening 21, the fixed shaft 19 is embedded in the driven shaft 4, a plurality of bearings 20 are installed between the fixed shaft 19 and the driven shaft 4, the bearings 20 can maintain good rotation between the fixed shaft 19 and the driven shaft 4, and the problem of deflection of the driven shaft 4 during operation can be prevented.

Referring to fig. 5-6, the fixing buckle 15 is slidably connected to the inside of the fixing base 14, the fixing buckle 15 includes a sliding frame 152, a plurality of first return springs 16 are fixedly connected between the sliding frame 152 and the fixing base 14, the sliding frame 152 penetrates through one side of the housing 3 and is fixedly connected with a fixing handle 151, two sides of the inside of the sliding frame 152 are fixedly connected with limiting blocks 153, the limiting blocks 153 on two sides respectively penetrate through two sides of the embedded groove 141 and the embedded block 111, and the limiting blocks 153 can prevent the cleaning frame 11 from vertically shaking.

The working principle of the invention is as follows: the insertion block 61 of the conductor rotor 6 is connected to the inside of the insertion opening 21 of the driving shaft 2 in an interference manner, the stability between the conductor rotor 6 and the driving shaft 2 is increased, the driven shaft 4 is sleeved on the outer side of the fixed shaft 19 through the bearing 20, then the two groups of support frames 5 are respectively sleeved on the outer sides of the driving shaft 2 and the driven shaft 4, then the two sets of supporting frames 5 and the above-mentioned components are installed inside the base plate 1 and the housing 3 and assembled, then the fixing buckle 15 is stretched, the limit block 153 is brought away from the insertion groove 141, the cleaning frame 11 is sleeved outside the driven shaft 4, the insertion block 111 is inserted into the fixing seat 14 inside the insertion groove 141, the fixing buckle 15 is released, the fixing buckle 15 is pulled back by the first return spring 16, after the fixing buckle 15 is restored, the limiting block 153 is driven to be embedded into the embedding groove 141 and the embedding block 111 to fix the cleaning frame 11 and prevent the cleaning frame from shaking;

the electromagnet 131 in the cleaner 13 is electrified, a coil in the electromagnet 131 generates magnetic force after being electrified, the magnetic block 133 is pushed outwards along the fixed pipe 132, the cleaning brush 135 is driven to be embedded into a radial air gap between the conductor ring 7 and the permanent magnet rotor 8 after the magnetic block 133 is pushed along the fixed pipe 132, and the second return spring 134 pulls the magnetic block 133 back along the fixed pipe 132 after the electromagnet 131 is powered off, so that the conductor ring 7 and the permanent magnet rotor 8 are cleaned through intermittent power supply;

and starting the small fan 17, driving air to flow by the small fan 17, wherein the flowing air flows to the radial air gap of the conductor ring 7 and the permanent magnet rotor 8 along the ventilation opening 18, and performing secondary cleaning on the dust cleaned by the small fan, so as to prevent the dust from being continuously accumulated on the components at two sides of the radial air gap.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.

Claims

1. A permanent magnet speed regulator with a dust removal structure comprises a base plate (1), a driving shaft (2) and a driven shaft (4), wherein a shell (3) is fixedly connected to the upper surface of the base plate (1), the driving shaft (2) and the driven shaft (4) respectively penetrate through two sides of the shell (3), a support frame (5) is sleeved on the outer sides of the driving shaft (2) and the driven shaft (4), the support frame (5) is in threaded connection with the inner portion of the shell (3), a conductor rotor (6) is installed at one end of the driving shaft (2), a conductor ring (7) is fixedly connected to the inner portion of the conductor rotor (6), a permanent magnet rotor (8) is fixedly connected to the outer side of the driven shaft (4), the permanent magnet rotor (8) is located inside the conductor ring (7), a lead screw sleeve (9) is fixedly connected to one side of the permanent magnet rotor (8), and a lead magnet yoke (10) is fixedly connected to the outer side of the lead screw sleeve (9), the conductor rotor cleaning device is characterized in that a fixed seat (14) is fixedly connected to the bottom end inside the shell (3), a cleaning frame (11) is mounted on the upper surface of the fixed seat (14), the cleaning frame (11) is sleeved on the outer side of the driven shaft (4), a plurality of working grooves (12) are formed in one side, facing the conductor rotor (6), of the cleaning frame (11), and cleaners (13) are fixedly connected inside the working grooves (12);

cleaner (13) are including electro-magnet (131) and fixed pipe (132), electro-magnet (131) and fixed pipe (132) all with the inner wall fixed connection of working groove (12), and the recess of round platform shape is seted up to the inside of electro-magnet (131), fixed pipe (132) are located the middle part of electro-magnet (131) recess, the coil of electro-magnet (131) is laid in the inner wall of recess, the outside sliding connection of fixed pipe (132) has magnetic block (133), magnetic block (133) is the component of a round platform shape, and the slope of magnetic block (133) side is the same with the slope of electro-magnet (131) recess, fixedly connected with second reset spring (134) between the inside of fixed pipe (132) and magnetic block (133), the one end fixedly connected with cleaning brush (135) of electro-magnet (131) are kept away from to magnetic block (133).

2. The permanent magnet governor with a dust removing structure according to claim 1, wherein an insertion opening (21) is formed in the driving shaft (2), the insertion opening (21) is a prism-shaped member, an insertion block (61) is fixedly connected to one side of the conductor rotor (6) facing the driving shaft (2), a fixed shaft (19) is fixedly connected to the other side of the conductor rotor (6), the insertion block (61) is in interference connection with the insertion opening (21), the fixed shaft (19) is embedded in the driven shaft (4), and a plurality of bearings (20) are installed between the fixed shaft (19) and the driven shaft (4).

3. The permanent magnet speed regulator with the dust removal structure according to claim 2, wherein a plurality of ventilation openings (18) are annularly formed in the side surface of the conductor rotor (6), the ventilation openings (18) and the radial air gaps between the conductor ring (7) and the permanent magnet rotor (8) are located in the same axial direction, a plurality of small fans (17) are fixedly connected to one side of the inside of the housing (3), the air inlets of the small fans (17) penetrate through the housing (3) to be communicated with the outside, and filter screens are screwed in the inside of the air inlets of the small fans (17).

4. The permanent magnet speed regulator with the dust removal structure according to claim 3, wherein both sides of the lower surface of the cleaning frame (11) are fixedly connected with embedded blocks (111), both sides of the upper surface of the fixing seat (14) are provided with embedded grooves (141), and the embedded blocks (111) are connected inside the embedded grooves (141) in an interference manner.

5. The permanent magnet speed regulator with the dust removing structure is characterized in that a fixing buckle (15) is slidably connected inside the fixing seat (14), the fixing buckle (15) comprises a sliding frame (152), a plurality of first return springs (16) are fixedly connected between the sliding frame (152) and the fixing seat (14), a fixing handle (151) is fixedly connected to one side of the sliding frame (152) penetrating through the shell (3), limiting blocks (153) are fixedly connected to two sides inside the sliding frame (152), and the limiting blocks (153) penetrate through two sides of the embedded groove (141) and the embedded block (111) respectively.

6. The permanent magnet speed regulator with the dust removal structure of claim 5, wherein the permanent magnet speed regulator is used by the method comprising the following steps: the method comprises the steps of connecting an insertion block (61) of a conductor rotor (6) to the inside of an insertion hole (21) of a driving shaft (2) in an interference mode, sleeving a driven shaft (4) to the outer side of a fixed shaft (19) through a bearing (20), sleeving two groups of supporting frames (5) to the outer sides of the driving shaft (2) and the driven shaft (4) respectively, installing the two groups of supporting frames (5) and the components to the inside of a base plate (1) and a shell (3) and assembling, stretching a fixing buckle (15), taking a limiting block (153) away from an embedded groove (141), sleeving a cleaning frame (11) to the outer side of the driven shaft (4), embedding an embedded block (111) into a fixed seat (14) in the embedded groove (141), loosening the fixing buckle (15), pulling back the fixing buckle (15) by using a first return spring (16), and driving the limiting block (153) to be embedded into the embedded groove (141) and the embedded block (111) after the fixing buckle (15) is restored, fixing the cleaning frame (11);

an electromagnet (131) in a cleaner (13) is electrified, a coil in the electromagnet (131) generates magnetic force after being electrified, a magnetic block (133) is pushed outwards along a fixed pipe (132), the magnetic block (133) can drive a cleaning brush (135) to be embedded into a radial air gap between a conductor ring (7) and a permanent magnet rotor (8) after being pushed along the fixed pipe (132), a second reset spring (134) can pull the magnetic block (133) back along the fixed pipe (132) after the electromagnet (131) is powered off, and the conductor ring (7) and the permanent magnet rotor (8) are cleaned through intermittent power supply;

and starting the small fan (17), driving air to flow by the small fan (17), and enabling the flowing air to flow to the radial air gaps of the conductor ring (7) and the permanent magnet rotor (8) along the ventilation opening (18) to perform secondary cleaning on the dust swept out by the small fan.