CN211830426U

CN211830426U - Three-phase asynchronous motor for hoist

Info

Publication number: CN211830426U
Application number: CN202020743832.3U
Authority: CN
Inventors: 王萧沣
Original assignee: Hebei Taili Motor Manufacturing Co ltd
Current assignee: Hebei Taili Motor Manufacturing Co ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2020-10-30
Anticipated expiration: 2030-05-08

Abstract

The utility model discloses a three-phase asynchronous motor for a lifter, which comprises a motor shell, wherein one end of a rotating shaft is fixedly connected with a rotating disc, one side of the rotating disc is provided with a fan in a rotating way, the other side of the rotating disc is fixedly provided with a plurality of through holes, the surface of one side of the motor shell is movably provided with a tail cover, the inner cavity of the tail cover is fixedly provided with a filter screen, the surface of the right side of the motor shell is symmetrically and fixedly connected with a clamping device, and the surface of the tail cover is symmetrically and fixedly connected with a buckle, the utility model relates to the technical field of motors, the fan can be driven to rotate according to the rotating shaft of the inner cavity of the motor shell through the fan and the through holes, the heat energy generated by the rotating load of the rotating shaft is driven to rotate outwards through the fan, and the heat energy is driven to be, and the filter screen is used for preventing dust from entering the inner cavity of the motor shell.

Description

Three-phase asynchronous motor for hoist

Technical Field

The utility model relates to the technical field of motors, specifically be a three-phase asynchronous motor for hoist.

Background

Three-phase asynchronous motor with motor running. The rotating speed of the rotor of the three-phase asynchronous motor is lower than that of a rotating magnetic field, and the rotor winding generates electromotive force and current due to relative motion between the rotor winding and the magnetic field and interacts with the magnetic field to generate electromagnetic torque so as to realize energy conversion. Compared with single-phase asynchronous motor, the three-phase asynchronous motor has good running performance and can save various materials. According to the difference of rotor structure, the three-phase asynchronous motor can be divided into cage type and winding type. The asynchronous motor of the cage rotor has simple structure, reliable operation, light weight and low price, is widely applied and has the main defect of difficult speed regulation. The rotor and stator of a wound three-phase asynchronous motor are also provided with three-phase windings and are connected with external varistors through slip rings and brushes. Adjusting the varistor resistance may improve the starting performance of the motor and adjust the speed of the motor.

However, when a three-phase asynchronous motor in the existing elevator is used, the load of the three-phase asynchronous motor is increased due to the fact that the load in the inner cavity of the elevator is too heavy, so that the heat energy in the inner cavity is gradually increased, the conventional three-phase asynchronous motor is provided with a through hole for heat dissipation on the tail cover at the tail portion, the heat dissipation of the method can only be achieved through natural heat dissipation of the three-phase asynchronous motor, the heat dissipation effect is not good, and the tail cover is not convenient to disassemble in the later period.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a three-phase asynchronous motor for lifting machine has solved common three-phase asynchronous motor and has all seted up the through-hole on the tail-hood of afterbody and be used for the heat dissipation, and the heat dissipation of this method can only be through the natural heat dissipation of three-phase asynchronous motor itself, and radiating effect is not very good to and the tail-hood when the later stage needs to be dismantled, also problem of convenient dismantlement.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a three-phase asynchronous motor for hoist, includes motor housing, motor housing's inner chamber rotates and is provided with the axis of rotation, the one end fixedly connected with rolling disc of axis of rotation.

One side of rolling disc rotates and is provided with the fan, a plurality of through-hole has been seted up to the opposite side of rolling disc fixedly, the surface activity of one side of motor housing is provided with the tail-hood, the fixed filter screen that is provided with of inner chamber of tail-hood, the equal symmetry fixedly connected with block device in surface on motor housing right side, the equal symmetry fixedly connected with buckle in surface of tail-hood.

The clamping device comprises a hollow cover, one side of the hollow cover is connected with a rotary rod in a rotating mode, a bearing is fixedly sleeved at one end of the rotary rod, a fixed block is fixedly connected with one end of the bearing, a pin block is fixedly connected with one side of the fixed block in an equal symmetrical mode, and a telescopic rod is fixedly connected between one side of the fixed block and one side of an inner cavity of the hollow cover in an equal symmetrical mode.

Preferably, the top of the tail cover is rotatably connected with the top of the rotating disc through a hinge.

Preferably, a clamping structure is formed between the surface of one end of the buckle and the plug pin block.

Preferably, a rotor core is fixedly arranged on the surface of the rotating shaft, and the surfaces of the two ends of the rotor core are symmetrically and fixedly connected with a plurality of small fan blades.

Preferably, the surface of the motor shell is fixedly provided with a lifting ring, and the surface of the motor shell is fixedly provided with a power supply box.

Preferably, the bottoms of the motor shells are symmetrically and fixedly connected with bases.

Preferably, the surface of the left side of the motor shell is symmetrically and fixedly provided with connecting buckles.

Preferably, matched threads are fixedly formed in one end of the rotating rod and the surface of the inner cavity of the hollow cover in a rotating mode.

Advantageous effects

The utility model provides a three-phase asynchronous motor for hoist. Compared with the prior art, the method has the following beneficial effects:

1. this threephase asynchronous motor for lifting machine, one side of rolling disc is rotated and is provided with the fan, a plurality of through-hole has been seted up to the opposite side of rolling disc is fixed, the surperficial activity of one side of motor housing is provided with the tail-hood, the inner chamber of tail-hood is fixed and is provided with the filter screen, can be when rotating according to the axis of rotation of motor housing inner chamber through fan and through-hole, it rotates to drive the fan, the heat energy that the axis of rotation load produced is because of the fan is external to be rotated, thereby it arranges outside to drive heat energy from the inner chamber of through-hole, this method solves threephase asynchronous motor self natural heat dissipation, radiating effect is not fine problem, and.

2. This threephase asynchronous motor for hoist, block device includes the hollow lid, one side of hollow lid is rotated and is connected with the rotary rod, the fixed cup of one end of rotary rod has connect the bearing, the one end fixedly connected with fixed block of bearing, the equal symmetrical fixedly connected with bolt piece in one side of fixed block, equal symmetry passes through telescopic link fixed connection between one side of fixed block and one side of hollow lid inner chamber, realize carrying out convenient dismantlement to the tailcap through block device and buckle, make things convenient for the later stage to change or the clearance the filter screen that the tailcap inner chamber set up.

Drawings

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

FIG. 2 is a schematic view of the tail cap structure of the present invention;

fig. 3 is a schematic view of the structure of the rotating shaft of the present invention;

fig. 4 is a schematic view of the structure of the fastening device of the present invention.

In the figure: 1. a motor housing; 11. a hoisting ring; 12. a power supply box; 13. a base; 14. a connecting buckle; 2. a rotating shaft; 21. a small fan blade; 22. a rotor core; 3. rotating the disc; 4. a fan; 5. a through hole; 6. a tail cover; 61. a filter screen; 7. a hinge; 8. a clamping device; 81. a hollow cover; 82. rotating the rod; 83. a fixed block; 84. a latch block; 85. a telescopic rod; 86. a bearing; 9. and (5) buckling.

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.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a three-phase asynchronous motor for hoist, including motor housing 1, motor housing 1's inner chamber rotates and is provided with axis of rotation 2, the equal symmetrical fixedly connected with clamping device 8 in surface on motor housing 1 right side, the equal symmetrical fixedly connected with buckle 9 in surface of tail-hood 6, rotate through hinge 7 between the top of tail-hood 6 top and rolling disc 3 and be connected, form the structure of block between the surface of buckle 9 one end and the bolt piece 84, motor housing 1's fixed surface is provided with rings 11, motor housing 1's fixed surface is provided with power pack 12, motor housing 1's the equal symmetrical fixedly connected with base 13 in bottom, the equal symmetrical fixed connector link 14 that is provided with in the left surface of motor housing 1.

Referring to fig. 2, a tail cover 6 is movably disposed on a surface of one side of the motor housing 1, and a filter screen 61 is fixedly disposed in an inner cavity of the tail cover 6.

Referring to fig. 3, one end of the rotating shaft 2 is fixedly connected with a rotating disc 3, one side of the rotating disc 3 is rotatably provided with a fan 4, the other side of the rotating disc 3 is fixedly provided with a plurality of through holes 5, the surface of the rotating shaft 2 is fixedly provided with a rotor core 22, and the surfaces of the two ends of the rotor core 22 are symmetrically and fixedly connected with a plurality of small fan blades 21.

Referring to fig. 4, the engaging device 8 includes a hollow cover 81, one side of the hollow cover 81 is rotatably connected with a rotating rod 82, one end of the rotating rod 82 is fixedly sleeved with a bearing 86, one end of the bearing 86 is fixedly connected with a fixing block 83, one side of the fixing block 83 is symmetrically and fixedly connected with a latch block 84, one side of the fixing block 83 and one side of the inner cavity of the hollow cover 81 are symmetrically and fixedly connected through a telescopic rod 85, and one end of the rotating rod 82 and the surface of the inner cavity of the hollow cover 81 are fixedly provided with matched threads.

When the three-phase asynchronous motor works, the device is firstly placed through the base 13, the device is connected with the power box 12 through a lead to be electrified, the power is turned on, the rotating shaft 2 rotates, the small fan blades 21 and the rotor core 22 also rotate along with the rotation, the heat energy generated by the rotation of the rotor core 22 can be dissipated, the fan 4 connected to one end of the rotating shaft 2 can also rotate along with the rotation, natural suction force caused by high-speed rotation can be formed under the rotation of the fan 4, the heat energy dissipated by the rotor core 22 can be discharged through the through holes 5 and can be discharged into the air through the tail cover 6 and the filter screen 61, the method solves the problems that the natural heat dissipation of the three-phase asynchronous motor per se is not good in heat dissipation effect, the filter screen 61 is arranged to prevent dust in the air from entering the inner cavity of the motor shell 1 from the outside, when the filter screen 61 needs to be cleaned or replaced, rotate rotary rod 82, set up the assorted screw thread through rings 11 inner chamber and rotary rod 82, outwards remove rotary rod 82, bolt piece 84 can not follow the rotation when rotating through bearing 86, the flexible fixed block 83 that drives telescopic link 85 only carries out the removal of one side, thereby make bolt piece 84 keep away from the surface of buckle 9, take buckle 9 out from the inner chamber china of hollow lid 81 again, under the connection of hinge 7, make tail-hood 6 open, take off the filter screen 61 again clear up with trade can, the clearance perhaps when trading the completion, according to the above-mentioned step close tail-hood 6 can.

In the embodiment, it should be noted that the surface of the buckle 9 is provided with a plurality of insertion grooves matched with the latch blocks 84, so that the latch blocks 84 can be engaged with the insertion grooves, and the blades of the fan 4 are outward, so that the heat energy can be exhausted from the inside to the outside.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a three-phase asynchronous motor for hoist, includes motor housing (1), the inner chamber of motor housing (1) rotates and is provided with axis of rotation (2), its characterized in that: one end of the rotating shaft (2) is fixedly connected with a rotating disc (3);

a fan (4) is rotatably arranged on one side of the rotating disc (3), a plurality of through holes (5) are fixedly formed in the other side of the rotating disc (3), a tail cover (6) is movably arranged on the surface of one side of the motor shell (1), a filter screen (61) is fixedly arranged in an inner cavity of the tail cover (6), clamping devices (8) are symmetrically and fixedly connected to the surface of the right side of the motor shell (1), and buckles (9) are symmetrically and fixedly connected to the surface of the tail cover (6);

clamping device (8) are including hollow lid (81), one side of hollow lid (81) is rotated and is connected with rotary rod (82), the fixed cover of one end of rotary rod (82) has connect bearing (86), the one end fixedly connected with fixed block (83) of bearing (86), the equal symmetrical fixedly connected with latch block (84) in one side of fixed block (83), equal symmetry passes through telescopic link (85) fixed connection between one side of fixed block (83) and one side of hollow lid (81) inner chamber.

2. A three-phase asynchronous motor for a hoist according to claim 1, characterized in that: the top of the tail cover (6) is rotatably connected with the top of the rotating disc (3) through a hinge (7).

3. A three-phase asynchronous motor for a hoist according to claim 1, characterized in that: a clamping structure is formed between the surface of one end of the buckle (9) and the latch block (84).

4. A three-phase asynchronous motor for a hoist according to claim 1, characterized in that: the surface of the rotating shaft (2) is fixedly provided with a rotor core (22), and the surfaces of two ends of the rotor core (22) are symmetrically and fixedly connected with a plurality of small fan blades (21).

5. A three-phase asynchronous motor for a hoist according to claim 1, characterized in that: the surface of the motor shell (1) is fixedly provided with a lifting ring (11), and the surface of the motor shell (1) is fixedly provided with a power supply box (12).

6. A three-phase asynchronous motor for a hoist according to claim 1, characterized in that: the bottom of the motor shell (1) is symmetrically and fixedly connected with a base (13).

7. A three-phase asynchronous motor for a hoist according to claim 1, characterized in that: the surface of the left side of the motor shell (1) is symmetrically and fixedly provided with connecting buckles (14).

8. A three-phase asynchronous motor for a hoist according to claim 1, characterized in that: and one end of the rotating rod (82) and the surface of the inner cavity of the hollow cover (81) are fixedly provided with matched threads.