CN210985909U

CN210985909U - High-power permanent magnet clutch of portable separation

Info

Publication number: CN210985909U
Application number: CN201921573688.7U
Authority: CN
Inventors: 徐修昆; 余竹艳; 许利明
Original assignee: Hefei Wofu Power Technology Co ltd
Current assignee: Hefei Wofu Power Technology Co ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-07-10
Anticipated expiration: 2029-09-20

Abstract

The utility model discloses a high-power magnetic clutch forever of portable separation, include the bearing frame, rotate through the bearing and install in the output shaft at bearing frame middle part, the left part slidable mounting of output shaft has permanent magnet rotor the right-hand member of permanent magnet rotor rotates through the bearing and installs the clearance adjustment mechanism, the right-hand member of clearance adjustment mechanism cup joints in the outside of bearing frame, the cooperation is inhaled with conductor rotor magnetism to permanent magnet rotor, the clearance adjustment mechanism provides drive power through fixed mounting's electron actuating mechanism on the bearing frame and promotes permanent magnet rotor along output shaft axial motion, adjusts the size of the air gap between conductor rotor and the permanent magnet rotor. The permanent magnetic clutch does not need to be electrified to generate a magnetic field, the permanent magnet provides the strong magnetic field, the structure is simple, the operation is convenient, the connection and disconnection of high-power transmission can be realized, the physical connection between the drive and the load is avoided after the connection is disconnected, the permanent magnetic clutch is free of abrasion, long in service life and high in reliability.

Description

High-power permanent magnet clutch of portable separation

Technical Field

The utility model discloses clutch technical field, concretely relates to high-power permanent magnetic clutch of portable separation.

Background

In the mechanical transmission process, the clutch is a device for controlling the on-off of torque transmission, the device is widely applied to power and free equipment, and is mainly used for driving a single-row chain and a double-row chain to run. Progress and development of the clutch is advanced.

The existing electromagnetic clutch is a friction clutch which relies on electromagnetic force as pressing force, has a complex structure, is not suitable for frequent action due to abrasion in the process of engagement and disengagement because a friction plate is adopted to transmit power, has poor reliability and short service life, and needs to be designed and solved by adopting electromagnetic force, so that the electromagnetic clutch has large heat productivity and small transmission capacity.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-power permanent magnetic clutch of portable separation comes into operation to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-power permanent magnetic clutch of portable separation, includes the bearing frame, rotates through the bearing and installs in the output shaft at bearing frame middle part, the left part slidable mounting of output shaft has permanent magnet rotor, permanent magnet rotor's right-hand member rotates through the bearing and installs the clearance mechanism of transferring, the right-hand member of transferring the clearance mechanism cup joints in the outside of bearing frame, permanent magnet rotor and conductor rotor magnetism inhale the cooperation, transfer the clearance mechanism and provide drive power through the electron actuating mechanism of fixed mounting on the bearing frame and promote permanent magnet rotor along output shaft axial motion, adjust the size of the air gap between conductor rotor and the permanent magnet rotor.

Preferably, the gap adjusting mechanism is composed of a fixed side plate, a movable sleeve and a shaft sleeve, the fixed side plate is welded to the side face of the movable sleeve, the shaft sleeve is sleeved on the outer side of the output shaft and is rotatably connected with the movable sleeve through a bearing, and the fixed side plate is fixedly installed and fixedly connected with the output end of the electronic executing mechanism.

Preferably, the electronic actuating mechanism is an electric push rod or an electric telescopic rod and is electrically connected with the controller through a signal line.

Preferably, the permanent magnet rotor is composed of a back plate, a permanent magnet disc and a permanent magnet, the middle part of the back plate is welded and fixed with the shaft sleeve, and the permanent magnet is fixedly arranged on the side surface of the back plate through the permanent magnet disc.

Preferably, a middle disc is fixedly installed at the left end of the output shaft, a torsion transmission pin is inserted into the middle disc and penetrates through a back plate of the permanent magnet rotor, and a gap smaller than 1 mm exists between the middle disc and the conductor rotor.

Preferably, the conductor rotor is composed of a conductor disc, a steel disc, a flange and a tensioning sleeve, the conductor disc is fixedly installed at the edge of the steel disc, the tensioning sleeve is fixedly installed in the middle of the steel disc through the flange, and the steel disc is fixedly connected with the driven shaft through the tensioning sleeve.

Preferably, a radiating fin is laid on the left side of the conductor disc.

The utility model discloses a technological effect and advantage: this high-power permanent magnetic clutch of portable separation, through electronic actuator's drive for carry out actuation or separation between conductor rotor and the permanent magnet rotor, realize the separation and reunion effect, need not the circular telegram and produce the magnetic field, provide strong magnetic field by the permanent magnet, simple structure, convenient operation can realize the joint and the disengagement of high-power transmission, and the drive has no physical connection with the load after disengaging, and permanent magnetic clutch does not have wearing and tearing, and is longe-lived, and the reliability is high.

Drawings

Fig. 1 is a schematic structural diagram (output power off state) of the present invention;

fig. 2 is a schematic structural diagram (output power engagement state) of the present invention.

In the figure: 1. a bearing seat; 2. an output shaft; 3. a permanent magnet rotor; 4. a gap adjusting mechanism; 5. a conductor rotor; 6. an electronic actuator; 7. an air gap; 8. an intermediate tray; 9. a torsion transmission pin; 10. a heat sink; 31. a back plate; 32. a permanent magnet disk; 33. a permanent magnet; 41. fixing the side plate; 42. a movable sleeve; 43. a shaft sleeve; 51. A conductor disc; 52. a steel disc; 53. a flange; 54. and a tensioning sleeve.

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.

The utility model provides a high-power permanent magnet clutch of portable separation as shown in figure 1-2, including bearing frame 1, through bearing rotation install in the output shaft 2 in the middle part of bearing frame 1, the left part slidable mounting of output shaft 2 has permanent magnet rotor 3, the right-hand member of permanent magnet rotor 3 is installed through bearing rotation and is transferred clearance mechanism 4, transfer the right-hand member of clearance mechanism 4 and cup joint in the outside of bearing frame 1, permanent magnet rotor 3 and conductor rotor 5 magnetism inhale the cooperation, transfer clearance mechanism 4 provides drive power through the electronic actuating mechanism 6 of fixed mounting on bearing frame 1 and promotes permanent magnet rotor 3 along output shaft 2 axial motion, adjust the size of air gap 7 between conductor rotor 5 and permanent magnet rotor 3, when output shaft 2 needs to carry out power with the transmission shaft and connect, electronic actuating mechanism 6 promotes transfer clearance mechanism 4 and carries out axial motion, the output shaft 2 drives the permanent magnet rotor 3 and the gap adjusting mechanism 4 to rotate relatively, meanwhile, the gap adjusting mechanism 4 pushes the permanent magnet rotor 3 to move axially, so that an air gap 7 between the conductor rotor 5 and the permanent magnet rotor 3 is continuously reduced, when the conductor disks 51 and the permanent magnets 33 on the conductor rotor 5 and the permanent magnet rotor 3 which are in one-to-one correspondence are sucked together, and the conductor rotor 5 and the permanent magnet rotor 3 are prevented from being completely attached through the limit of the central plate, in the same way, the permanent magnet rotor 3 moves in the reverse axial direction under the retraction of the electronic executing mechanism 6 according to the principle that the conductor rotor 5 moves in the opposite direction, the air gap 7 is increased to break away the suction force between the conductor disks 51 and the permanent magnets 33, the conductor rotor 5 and the permanent magnet rotor 3 are.

The clearance adjusting mechanism 4 is composed of a fixed side plate 41, a movable sleeve 42 and a shaft sleeve 43, the fixed side plate 41 is welded on the side surface of the movable sleeve 42, the shaft sleeve 43 is sleeved on the outer side of the output shaft 2 and is rotatably connected with the movable sleeve 42 through a bearing, the fixed side plate 41 is fixedly installed and fixedly connected with the output end of the electronic executing mechanism 6, the clearance adjusting mechanism 4 is guaranteed to stably axially slide along the output shaft 2 through the shaft sleeve 43, and the movable sleeve 42 and the fixed side plate 41 are matched to axially slide when being driven by the electronic executing mechanism 6.

The electronic actuating mechanism 6 is an electric push rod or an electric telescopic rod and is electrically connected with the controller through a signal line, so that the distance for pushing or pulling the electronic actuating mechanism 6 can be remotely controlled conveniently.

The permanent magnet rotor 3 is composed of a back plate 31, a permanent magnet disc 32 and a permanent magnet 33, the middle part of the back plate 31 is welded and fixed with a shaft sleeve 43, the permanent magnet 33 is fixedly arranged on the side surface of the back plate 31 through the permanent magnet disc 32, the specific structure of the permanent magnet rotor 3 is disclosed, and the permanent magnet 33 and a conductor disc 51 on the conductor rotor 5 are in magnetic attraction matching.

The left end fixed mounting of output shaft 2 has middle dish 8, it passes round pin 9 to peg graft on the middle dish 8, and passes round pin 9 and pass backplate 31 of permanent magnet rotor 3, there is the clearance that is less than 1 millimeter between middle dish 8 and the conductor rotor 5, has guaranteed through passing the cooperation of round pin 9 and middle dish 8 that permanent magnet rotor 3 can only carry out axial motion along output shaft 2 to spacing through middle dish 8 avoids conductor rotor 5 and permanent magnet rotor 3 to laminate completely, thereby avoids the wearing and tearing that take place at the bonding in-process, and life is longer.

The conductor rotor 5 is composed of a conductor disc 51, a steel disc 52, a flange 53 and a tensioning sleeve 54, the conductor disc 51 is fixedly arranged at the edge position of the steel disc 52, the tensioning sleeve 54 is fixedly arranged in the middle of the steel disc 52 through the flange 53, the steel disc 52 is fixedly connected with the driven shaft through the tensioning sleeve 54, and the power connection between the output shaft 2 and the driven shaft is realized through the suction of the conductor rotor 5 and the permanent magnet rotor 3.

The radiating fins 10 are laid on the left side of the conductor disc 51 to radiate heat generated between the permanent magnet 33 and the conductor disc 51, so that heat accumulation on the conductor rotor 5 is avoided.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a high-power permanent magnet clutch of portable separation, includes bearing frame (1), rotates through the bearing and installs output shaft (2) in bearing frame (1) middle part, its characterized in that: the left part slidable mounting of output shaft (2) has permanent magnet rotor (3), the right-hand member of permanent magnet rotor (3) rotates through the bearing and installs clearance adjusting mechanism (4), the right-hand member of clearance adjusting mechanism (4) cup joints in the outside of bearing frame (1), the cooperation is inhaled with conductor rotor (5) magnetism in permanent magnet rotor (3), clearance adjusting mechanism (4) provide drive power through bearing frame (1) last fixed mounting's electron actuating mechanism (6) and promote permanent magnet rotor (3) along output shaft (2) axial motion, adjust the size of air gap (7) between conductor rotor (5) and permanent magnet rotor (3).

2. The portable discrete high power permanent magnet clutch of claim 1 further characterized by: the clearance adjusting mechanism (4) is composed of a fixed side plate (41), a movable sleeve (42) and a shaft sleeve (43), the fixed side plate (41) is welded to the side face of the movable sleeve (42), the shaft sleeve (43) is sleeved on the outer side of the output shaft (2) and is rotatably connected with the movable sleeve (42) through a bearing, and the fixed side plate (41) is fixedly installed and fixedly connected with the output end of the electronic executing mechanism (6).

3. The portable discrete high power permanent magnet clutch of claim 2 further characterized by: the electronic actuating mechanism (6) is an electric push rod or an electric telescopic rod and is electrically connected with the controller through a signal line.

4. The portable discrete high power permanent magnet clutch of claim 1 further characterized by: the permanent magnet rotor (3) is composed of a back plate (31), a permanent magnet disc (32) and a permanent magnet (33), the middle of the back plate (31) is welded and fixed with a shaft sleeve (43), and the permanent magnet (33) is fixedly arranged on the side face of the back plate (31) through the permanent magnet disc (32).

5. The portable discrete high power permanent magnet clutch of claim 4 wherein: the left end fixed mounting of output shaft (2) has middle dish (8), it passes round pin (9) to peg graft on middle dish (8), and passes round pin (9) and pass backplate (31) of permanent magnet rotor (3), there is the clearance that is less than 1 millimeter between middle dish (8) and conductor rotor (5).

6. The portable discrete high power permanent magnet clutch of claim 1 further characterized by: the conductor rotor (5) is composed of a conductor disc (51), a steel disc (52), a flange (53) and a tensioning sleeve (54), the conductor disc (51) is fixedly installed at the edge position of the steel disc (52), the tensioning sleeve (54) is fixedly installed in the middle of the steel disc (52) through the flange (53), and the steel disc (52) is fixedly connected with a driven shaft through the tensioning sleeve (54).

7. The portable discrete high power permanent magnet clutch of claim 6 further including: and a radiating fin (10) is laid on the left side of the conductor disc (51).