Anti-shearing semi-direct-drive variable-frequency permanent magnet all-in-one machine

Abstract

The utility model provides an anti-shearing semi-direct-drive variable-frequency permanent magnet all-in-one machine, which comprises a permanent magnet motor, a speed reducer, a pin and a rectangular key, the front end of the permanent magnet motor and the rear end of the speed reducer are respectively provided with a pin hole and a key slot, the pin holes of the permanent magnet motor and the speed reducer coincide, and the pin is inserted into the pin holes of the permanent magnet motor and the speed reducer. Key grooves at the front end of the permanent magnet motor and the rear end of the speed reducer are butted, and rectangular keys are assembled in the butted key grooves. According to the utility model, the pins are driven into the pin holes of the speed reducer and the permanent magnet motor, and the rectangular keys are installed in the key grooves to form a fixed mode, so that the permanent magnet motor and the speed reducer are effectively fixed into a whole, and the pins and the rectangular keys play a good role in positioning and anti-shearing.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of half direct drive variable frequency permanent magnet integrated machine, especially to the anti -shear type half direct drive variable frequency permanent magnet integrated machine. BACKGROUND

[0002] Half direct drive variable frequency permanent magnet integrated machine structure is special, belongs to the emerging product, will frequency converter, permanent magnet motor, reducer integration together, the transmission of kinetic energy is permanent magnet motor and reducer complete whole transmission process, the connection cooperation mode of permanent magnet motor and reducer is relatively key, if only rely on ordinary bolt to fix permanent magnet motor and reducer together, there are two problems: 1. Bolt and hole cooperation belong to rough fit, 2. When there is relatively large torque between permanent magnet motor and reducer, bolt can not withstand enough shear resistance. Therefore, how to tightly fix the shell of motor and the shell of reducer together, only let the rotating shaft transmit kinetic energy to the inside of reducer, and the reducer gives the user equipment with appropriate rotating speed through the cooperation of internal gear, is the problem to be solved at present. SUMMARY

[0003] Therefore, it is necessary to provide an anti-shear type half direct drive variable frequency permanent magnet integrated machine.

[0004] An anti-shear type half direct drive variable frequency permanent magnet integrated machine, comprising a permanent magnet motor, a reducer, a pin and a rectangular key, a pin hole and a keyway are respectively formed in the front end of the permanent magnet motor and the rear end of the reducer, the pin holes of the permanent magnet motor and the reducer coincide, the pin is inserted into the pin holes of the permanent magnet motor and the reducer, and the keyways of the front end of the permanent magnet motor and the rear end of the reducer are butted, and the rectangular key is fitted in the keyway after butting.

[0005] Preferably, the pin holes and the keyways of the front end of the permanent magnet motor and the rear end of the reducer are circumferentially distributed, and the number of the distributed ones is four.

[0006] Preferably, screw holes are respectively formed in the front end of the permanent magnet motor and the rear end of the reducer, and bolts are screwed into the screw holes for fixation.

[0007] Preferably, the screw holes of the front end of the permanent magnet motor and the rear end of the reducer are circumferentially distributed.

[0008] The utility model discloses a pin hole is hit into the pin of speed reducer, permanent magnet motor, installs rectangular key to keyway, forms fixed mode, effectively fixes permanent magnet motor and speed reducer as a whole, and the pin and rectangular key have good positioning and shearing prevention effect. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is the schematic diagram of permanent magnet motor and speed reducer's connection cooperation measure of structure design;

[0010] Figure 2 It is permanent magnet motor's structure schematic diagram of one view angle;

[0011] Figure 3 It is permanent magnet motor's structure schematic diagram of another view angle;

[0012] Figure 4 It is speed reducer's structure schematic diagram of one view angle;

[0013] Figure 5 It is speed reducer's structure schematic diagram of another view angle;

[0014] In the drawing: permanent magnet motor 1, speed reducer 2, pin 3, rectangular key 4, bolt 5, pin hole 6, keyway 7, screw hole 8. DETAILED DESCRIPTION

[0015] In order to make the utility model technical scheme easier to understand, now combining the specific embodiment mode of drawing, the technical scheme of the utility model is clearly and completely described.

[0016] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5The utility model discloses a kind of anti-shear half direct-drive variable-frequency permanent magnet integrated machine including permanent magnet motor 1, speed reducer 2, pin 3, rectangular key 4 and bolt 5, the front end of permanent magnet motor 1 and the rear end of speed reducer 2 are respectively set pin hole 6 and keyway 7, the pin hole 6 of permanent magnet motor 1 and speed reducer 2 coincides, pin 3 is inserted into the pin hole 6 of permanent magnet motor 1 and speed reducer 2, the keyway 7 of the front end of permanent magnet motor 1 and the rear end of speed reducer 2 is butt joint, and rectangular key 4 is fitted in keyway 7 after butt joint. The pin hole 6 and keyway 7 of the front end of permanent magnet motor 1 and the rear end of speed reducer 2 are circumferentially distributed, and the number of distribution is 4. The front end of permanent magnet motor 1 and the rear end of speed reducer 2 are respectively set screw hole 8, and screw hole 8 is screwed into bolt 5 to be fixed. The screw hole 8 of the front end of permanent magnet motor 1 and the rear end of speed reducer 2 is circumferentially distributed, and 16 are distributed in the embodiment.

[0017] The utility model discloses a kind of anti-shear half direct-drive variable-frequency permanent magnet integrated machine including permanent magnet motor 1, speed reducer 2, pin 3, rectangular key 4 and bolt 5, the front end of permanent magnet motor 1 and the rear end of speed reducer 2 are respectively set pin hole 6 and keyway 7, the pin hole 6 of permanent magnet motor 1 and speed reducer 2 coincides, pin 3 is inserted into the pin hole 6 of permanent magnet motor 1 and speed reducer 2, the keyway 7 of the front end of permanent magnet motor 1 and the rear end of speed reducer 2 is butt joint, and rectangular key 4 is fitted in keyway 7 after butt joint. The pin hole 6 and keyway 7 of the front end of permanent magnet motor 1 and the rear end of speed reducer 2 are circumferentially distributed, and the number of distribution is 4. The front end of permanent magnet motor 1 and the rear end of speed reducer 2 are respectively set screw hole 8, and screw hole 8 is screwed into bolt 5 to be fixed. The screw hole 8 of the front end of permanent magnet motor 1 and the rear end of speed reducer 2 is circumferentially distributed, and 16 are distributed in the embodiment.

[0018] The utility model discloses a kind of anti-shear half direct-drive variable-frequency permanent magnet integrated machine including permanent magnet motor 1, speed reducer 2, pin 3, rectangular key 4 and bolt 5, the front end of permanent magnet motor 1 and the rear end of speed reducer 2 are respectively set pin hole 6 and keyway 7, the pin hole 6 of permanent magnet motor 1 and speed reducer 2 coincides, pin 3 is inserted into the pin hole 6 of permanent magnet motor 1 and speed reducer 2, the keyway 7 of the front end of permanent magnet motor 1 and the rear end of speed reducer 2 is butt joint, and rectangular key 4 is fitted in keyway 7 after butt joint. The pin hole 6 and keyway 7 of the front end of permanent magnet motor 1 and the rear end of speed reducer 2 are circumferentially distributed, and the number of distribution is 4. The front end of permanent magnet motor 1 and the rear end of speed reducer 2 are respectively set screw hole 8, and screw hole 8 is screwed into bolt 5 to be fixed. The screw hole 8 of the front end of permanent magnet motor 1 and the rear end of speed reducer 2 is circumferentially distributed, and 16 are distributed in the embodiment.

[0019] It should be noted that the embodiments described herein are only part of the embodiments of the utility model, not all implementation modes of the utility model, the embodiments are only exemplary, and its role is only to provide a more intuitive and clear way to understand the content of the utility model, and is not limited to the technical solutions described in the utility model. Without departing from the concept of the utility model, all other embodiments that can be thought of by those skilled in the art without creative labor and other simple replacements and various changes to the technical solutions of the utility model belong to the protection scope of the utility model.

Claims

1. A shear-resistant semi-direct drive variable frequency permanent magnet integrated machine, characterized in that: The anti-shearing half-direct-drive variable-frequency permanent magnet integrated machine comprises a permanent magnet motor, a speed reducer, a pin and a rectangular key, pin holes and key grooves are respectively arranged at the front end of the permanent magnet motor and the rear end of the speed reducer, the pin holes of the permanent magnet motor and the speed reducer are coincided, the pin is inserted into the pin holes of the permanent magnet motor and the speed reducer, and the key grooves at the front end of the permanent magnet motor and the rear end of the speed reducer are butted, and the rectangular key is arranged in the key grooves after the butt joint.

2. The anti-shearing type half-direct-drive variable-frequency permanent magnet integrated machine of claim 1, wherein: The pin holes and the key grooves at the front end of the permanent magnet motor and the rear end of the speed reducer are circumferentially distributed, and the number of the distributed pin holes and the key grooves is four.

3. The anti-shearing type half-direct-drive variable-frequency permanent magnet integrated machine of claim 1, wherein: Screw holes are respectively arranged at the front end of the permanent magnet motor and the rear end of the speed reducer, and bolts are screwed into the screw holes to be fixed.

4. The anti-shearing type half-direct-drive variable-frequency permanent magnet integrated machine of claim 3, characterized in that: The screw holes at the front end of the permanent magnet motor and the rear end of the speed reducer are circumferentially distributed.

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