CN211405733U

CN211405733U - Semi-axis type outer rotor permanent magnet direct drive mechanism

Info

Publication number: CN211405733U
Application number: CN201922436473.7U
Authority: CN
Inventors: 喻林; 胡凯敏; 秦军; 屈吉华
Original assignee: Jiangxi Industrial Innovation Technology Co ltd
Current assignee: Jiangxi Industrial Innovation Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-01
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a semi-axis formula external rotor permanent magnetism directly drives mechanism, including the reel, there are end cover one and end cover two at the reel both ends through flange and bolted connection respectively, the welding of reel inner wall has the support ring, the inside bearing frame that has cup jointed of support ring, long stator axle has all been cup jointed through the bearing to end cover one and bearing frame one inside, and the outside rigid support that has cup jointed of long stator axle one end, the stator has been cup jointed to long stator axle outside, the inside short axis body of pegging graft of end cover two, the outside bearing frame two that has cup jointed through the bearing of short axis body, and the outside rigid support that has cup jointed of bearing frame. The utility model discloses a long stator axle, bearing frame one and minor axis that set up, bearing frame one have replaced the weight that rigid support has reduced equipment, and long stator axle replaces to lead to the weight that the major axis has reduced the motor, has practiced thrift equipment manufacturing cost simultaneously, and the minor axis can stretch out bearing frame two, has realized bi-motor work, and then has improved the lifting height of equipment.

Description

Semi-axis type outer rotor permanent magnet direct drive mechanism

Technical Field

The utility model relates to a permanent-magnet machine technical field especially relates to a semi-axis formula external rotor permanent magnetism directly drives mechanism.

Background

The ultra-low speed large-torque permanent magnet direct drive motor is a new product in the hoisting industry in recent years, and has the characteristics of magnetic braking, small volume, light weight, low noise, high operation precision, high efficiency and energy conservation, and the service performance of the permanent magnet direct drive motor is far superior to that of a traditional crane hoisting mechanism, so the permanent magnet direct drive motor is popular with users and has a very wide market prospect.

The existing ultra-low speed large-torque permanent magnet direct drive motor basically meets the requirements of various general gantry and bridge cranes in use occasions, and particularly under the condition of small lifting height, the ultra-low speed large torque permanent magnet direct drive motor has obvious advantages, and when the lifting tonnage is small and the lifting height is too large, because the drum body has a certain radius and needs to be wound with a plurality of circles of steel wire ropes, the permanent magnet direct drive motor is changed into a structure with a short stator body and a slender drum, and because the stator shaft of the permanent magnet direct drive mechanism is a thick-walled pipe with a larger diameter, the stator shaft is greatly wasted, and simultaneously, the total weight of the mechanism is overlarge because the stator shaft of the whole mechanism is overlong, further lead to the crane car automobile body overweight, the permanent magnetism directly drives the mechanism and is not suitable for to rise the dolly this moment, consequently, need design a semi-axis formula outer rotor permanent magnetism directly drives the mechanism and solves above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing a semi-axis type outer rotor permanent magnetic direct drive mechanism.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a semi-axis formula external rotor permanent magnetism directly drives mechanism, includes the reel, there are end cover one and end cover two at the reel both ends through flange and bolted connection respectively, the welding of reel inner wall has the support ring, the inside bearing frame that has cup jointed of support ring, long stator axle has all been cup jointed through the bearing to end cover one and bearing frame one inside, and the outside rigid support seat that has cup jointed of long stator axle one end, the stator has been cup jointed to long stator axle outside, the inside short axis body that pegs graft of end cover two, the short axis body outside has cup jointed bearing frame two through the bearing, and the outside rigid support seat that has cup jointed of bearing frame two, the inside oil pipe joint support that is provided with of long stator axle, oil pipe joint support.

Furthermore, the outer walls of two sides of the first end plate are connected with first end plates through bolts, sealing rings are arranged between the first end plates and the first end plates, the first end plates are sleeved outside one end of the long stator shaft, one side of the first end plate is connected with a pressure oil injection cup in an inserting mode, and the pressure oil injection cup is communicated with the first end plates.

Furthermore, the outer walls of the two sides of the rigid support are connected with a second end plate through bolts, and the second end plate on one side is connected with two semicircular half check rings through bolts.

Furthermore, the first bearing seat is connected with a tensioning plate through a bolt, the outer walls of the two sides of the first bearing seat are connected with a third end plate through bolts, and one end of the oil pipe is communicated with the third end plates.

Further, the outer wall of the top of the winding drum is connected with a rope pressing plate through a bolt and a gasket, and rope grooves with opposite opening directions are respectively formed in the outer wall of the top of the winding drum and the outer wall of the bottom of the rope pressing plate.

Furthermore, the long stator shaft comprises a first main shaft and a third main shaft, the first main shaft and the third main shaft are respectively inserted into the first end cover and the first bearing seat through bearings, the shaft sleeve is sleeved outside the first main shaft through a key block, and the second main shaft is sleeved outside the shaft sleeve and the third main shaft.

The utility model has the advantages that:

1. through the long stator shaft, the first bearing seat and the short shaft, the first bearing seat replaces a rigid support to reduce the weight of the equipment, the long stator shaft replaces a long shaft to reduce the weight of the motor, the production cost of the equipment is saved, the short shaft body can extend out of the second bearing seat, double-motor work is achieved, and the lifting height of the equipment is further improved.

2. Through the pressure injection oil cup, the oil pipe joint support and the oil pipe, the pressure between the first oil pressure adjusting end plate and the first end cover is changed through the pressure injection oil cup, the braking between the first end cover and the long stator shaft is achieved, the oil pipe joint support achieves the installation of the oil pipe, the braking between the third end cover and the long stator shaft is achieved through the oil pipe, and then the braking of the motor is achieved.

3. Through the rope clamp plate, the rope groove and the winding drum that set up, the rope clamp plate is fixed wire rope both ends, and the route when wire rope twines has been restricted to the rope groove, has improved wire rope at the outside stability of winding drum, and the rotatory wire rope bottom up-and-down motion that makes of winding drum has realized wire rope's promotion and whereabouts, and then has realized lifting by crane to the object.

Drawings

Fig. 1 is a schematic structural diagram of a half-shaft type outer rotor permanent-magnet direct-drive mechanism provided by the utility model;

fig. 2 is a schematic structural view of a long stator shaft of the half-shaft type outer rotor permanent-magnet direct-drive mechanism provided by the utility model;

fig. 3 is a schematic structural diagram of a support ring of the half-shaft type outer rotor permanent-magnet direct-drive mechanism provided by the utility model;

fig. 4 is a schematic structural diagram of a rope pressing plate and a rope groove of the semi-axis type outer rotor permanent magnetic direct drive mechanism provided by the utility model;

fig. 5 is the utility model provides a semi-axis formula outer rotor permanent magnetism directly drives half a division of retaining ring's of mechanism front view and left side view.

In the figure: the device comprises a winding drum 1, a first end cover 2, a second end cover 3, a support ring 4, a first bearing seat 5, a long stator shaft 6, a first rigid support 7, a stator 8, a short shaft body 9, a second bearing seat 10, a second rigid support 11, an oil pipe joint support 12, a first end plate 13, a first sealing ring 14, an oil injection cup 15, a second end plate 16, a half-open retainer ring 17, a third end plate 18, a third rope pressing plate 19, a rope groove 20, a first main shaft 21, a second main shaft 22, a third main shaft 23, a shaft sleeve 24, an oil pipe 25 and a tensioning plate 26.

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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, a semi-axis type outer rotor permanent magnetic direct drive mechanism comprises a winding drum 1, two ends of the winding drum 1 are respectively connected with a first end cover 2 and a second end cover 3 through flanges and bolts, a support ring 4 is welded on the inner wall of the winding drum 1, a first bearing seat 5 is sleeved inside the support ring 4, a long stator shaft 6 is sleeved inside the first end cover 2 and the first bearing seat 5 through bearings, a first rigid support 7 is sleeved outside one end of the long stator shaft 6, a stator 8 is sleeved outside the long stator shaft 6, a short shaft body 9 is inserted inside the second end cover 3, a second bearing seat 10 is sleeved outside the short shaft body 9 through bearings, a second rigid support 11 is sleeved outside the second bearing seat 10, an oil pipe joint support 12 is arranged inside the long stator shaft 6, an oil pipe 25 is connected at one end of the oil pipe joint support 12, and the first bearing seat 5 replaces the rigid support to reduce the weight of equipment, the long stator shaft 6 replaces a through long shaft, so that the weight of the motor is reduced, the production cost of equipment is saved, the short shaft body 9 can extend out of the bearing seat II, the double-motor work is realized, and the lifting height of the equipment is further improved.

Further, the outer walls of two sides of the end cover I2 are connected with end plates I13 through bolts, sealing rings 14 are arranged between the end plates I13 and the end cover I2, the end plates I13 are sleeved outside one end of the long stator shaft 6, one of the end plates I13 is connected with a pressure filling oil cup 15 in a plugging mode through the outer wall of one side of each end plate I13, the pressure filling oil cup 15 is communicated with the two end plates I13, pressure between the oil pressure adjusting end plates I13 and the end cover I2 is changed through the pressure filling oil cup 15, and braking between the end covers I2 and the long stator shaft 6 is achieved.

Furthermore, the outer walls of the two sides of the second rigid support 11 are connected with a second end plate 16 through bolts, the second end plate 16 on one side is connected with two semicircular half-open check rings 17 through bolts, the half-open check rings 18 improve the fixity of the bearing inside the second bearing seat 10, bearing dislocation is prevented, stable operation of equipment is improved, the friction force inside the equipment is reduced, and safe operation of the equipment is further realized.

Further, the bearing seat I5 is connected with a tensioning plate 26 through a bolt, the outer walls of the two sides of the bearing seat I5 are connected with the end plates III 18 through bolts, one end of the oil pipe 25 is communicated with the two end plates III 18, the tensioning plate 26 prevents the long stator shaft 6 from moving to one side of the rigid support I7, the oil pipe 25 achieves adjustment of oil pressure, and therefore braking capacity of equipment is achieved.

Further, the outer wall of the top of the winding drum 1 is connected with a rope pressing plate 19 through a bolt and a gasket, the outer wall of the top of the winding drum 1 and the outer wall of the bottom of the rope pressing plate 19 are respectively provided with a rope groove 20 with opposite opening directions, the rope groove 20 limits a path of a steel wire rope when the steel wire rope is wound, and the stability of the steel wire rope outside the winding drum 1 is improved.

Furthermore, the long stator shaft 6 comprises a first main shaft 21 and a third main shaft 23, the first main shaft 21 and the third main shaft 23 are respectively inserted into the first end cover 2 and the first bearing seat 5 through bearings, a shaft sleeve 24 is sleeved outside the first main shaft 21 through a key block, a second main shaft 22 is sleeved outside the shaft sleeve 24 and the third main shaft 23, and the first main shaft 21 and the third main shaft 23 are in contact with the first end plate 13 and the third end plate 18, so that the braking performance of the equipment is realized.

The working principle is as follows: when the motor works, the long stator shaft 6 and the rigid support seat I7 are fixed together and are stationary, the rotation of the end cover I2, the winding drum 1 and the end cover II 3 is realized through the three bearings, the steel wire rope is wound in the rope groove 20 on the outer wall of the winding drum 1 through the rotation of the winding drum 1, the up-and-down movement of the lower end of the steel wire rope is realized, and the movement of a heavy object driven by the steel wire rope is further realized, in order to brake the third end plate 18 by adjusting the oil pressure inside the oil pipe 25 when the equipment needs to stop lifting the weight, by adjusting the oil pressure in the two pressure filling oil cups 15, the sealing ring 14 improves the tightness in the end plate I13, prevents oil leakage, realizes the braking of the end plate I13 and the end plate II 16, the tension plate 26 prevents the long stator shaft 6 from moving to one side of the rigid support I7, the half-open retainer ring 18 improves the fixity of the bearing in the bearing seat II 10, prevents the bearing from dislocation, improves the stable operation of equipment, reduces the friction force in the equipment, thereby realizing the safe operation of the equipment, changing the common shaft into the long stator shaft 6 and the short shaft body 9, reducing the weight of the equipment shaft, meanwhile, the production material is saved, and because the length of the through long shaft and the length of the winding drum 1 in the through long shaft equipment need to be synchronously increased, the present apparatus thus achieves adjustment of the length of the reel 1 without changing the long stator shaft 6 and the short shaft body 9.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The semi-axis type outer rotor permanent magnetic direct drive mechanism comprises a winding drum (1) and is characterized in that two ends of the winding drum (1) are respectively connected with a first end cover (2) and a second end cover (3) through flanges and bolts, a support ring (4) is welded on the inner wall of the winding drum (1), a first bearing seat (5) is sleeved inside the support ring (4), a long stator shaft (6) is sleeved inside the first end cover (2) and the first bearing seat (5) through bearings, a first rigid support (7) is sleeved outside one end of the long stator shaft (6), a stator (8) is sleeved outside the long stator shaft (6), a short shaft body (9) is inserted inside the second end cover (3), a second bearing seat (10) is sleeved outside the short shaft body (9) through bearings, a second rigid support (11) is sleeved outside the second bearing seat (10), an oil pipe joint support (12) is arranged inside the long stator shaft (6), and one end of the oil pipe joint support (12) is connected with an oil pipe (25).

2. The semi-axis type outer rotor permanent magnetic direct drive mechanism is characterized in that outer walls of two sides of the first end plate (2) are connected with first end plates (13) through bolts, a sealing ring (14) is arranged between each of the two first end plates (13) and the corresponding first end plate (2), each of the two first end plates (13) is sleeved outside one end of the long stator shaft (6), a pressure oil injection cup (15) is inserted into an outer wall of one side of one first end plate (13), and the pressure oil injection cup (15) is communicated with the two first end plates (13).

3. The semi-axis type outer rotor permanent magnetic direct drive mechanism is characterized in that the outer walls of the two sides of the second rigid support (11) are connected with a second end plate (16) through bolts, and the second end plate (16) on one side is connected with two semicircular half-open check rings (17) through bolts.

4. The semi-axle type outer rotor permanent magnetic direct drive mechanism is characterized in that the bearing seat I (5) is connected with a tensioning plate (26) through a bolt, the outer walls of the two sides of the bearing seat I (5) are connected with an end plate III (18) through bolts, and one end of an oil pipe (25) is communicated with the two end plates III (18).

5. The semi-axis type outer rotor permanent magnetic direct drive mechanism is characterized in that a rope pressing plate (19) is connected to the outer wall of the top of the winding drum (1) through a bolt and a gasket, and rope grooves (20) with opposite opening directions are formed in the outer wall of the top of the winding drum (1) and the outer wall of the bottom of the rope pressing plate (19) respectively.

6. The semi-axis type outer rotor permanent magnetic direct drive mechanism is characterized in that the long stator shaft (6) comprises a first main shaft (21) and a third main shaft (23), the first main shaft (21) and the third main shaft (23) are respectively inserted into the first end cover (2) and the first bearing seat (5) through bearings, a shaft sleeve (24) is sleeved outside the first main shaft (21) through a key block, and a second main shaft (22) is sleeved outside the shaft sleeve (24) and the third main shaft (23).