CN219408813U - Inner rotor gearless traction machine - Google Patents

Abstract

The utility model discloses an inner rotor gearless traction machine, which belongs to the technical field of traction machines and comprises a traction machine body, and further comprises: a heat dissipation mechanism for utilizing the rotation of hauler body to dispel the heat to its inside, and heat dissipation mechanism installs on the hauler body, the hauler body includes: the traction machine comprises a machine base, wherein a front bearing support is fixedly arranged on the left side of the machine base, a rear bearing support is fixedly arranged on the right side of the machine base, an inner rotor is arranged at the middle position of the front bearing support and the rear bearing support, and two ends of the rotating shaft are respectively connected to the front bearing support and the rear bearing support through a front bearing and a rear bearing in a rotating mode.

Description

Inner rotor gearless traction machine

Technical Field

The utility model relates to the technical field of traction machines, in particular to an inner rotor gearless traction machine.

Background

The elevator traction machine is power equipment of an elevator, and is also called an elevator host machine. The function is to transmit and transfer power to make the elevator run. The device consists of a motor, a brake, a coupler, a reduction gearbox, a traction wheel, a frame, a guide wheel, an auxiliary jigger hand wheel and the like. The guide wheels are typically mounted on the frame or on the spandrel girder below the frame. The jigger hand wheel is fixed on the motor shaft, and is hung on the nearby wall at ordinary times, and is sleeved on the motor shaft when in use.

The prior Chinese patent CN204355925U discloses an inner rotor type permanent magnet synchronous gearless traction machine, and solves the problems of relatively high host height, large volume and low rated speed of the prior outer rotor type permanent magnet synchronous gearless traction machine. However, in this patent, a closed structure is adopted, which affects heat dissipation of the traction machine, and if a heat dissipation device is installed inside the traction machine, equipment cost is increased. Therefore, the utility model relates to an inner rotor gearless traction machine.

Disclosure of Invention

The present utility model has been made in view of the above and/or problems occurring in the conventional inner rotor gearless traction machine.

Accordingly, an object of the present utility model is to provide an inner rotor gearless traction machine that can solve the above-mentioned problems that have been proposed.

In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:

inner rotor gearless traction machine, it includes the traction machine body, still includes:

and the heat dissipation mechanism is used for dissipating heat inside the traction machine body by utilizing the rotation of the traction machine body, and is arranged on the traction machine body.

As a preferable scheme of the inner rotor gearless traction machine of the utility model, wherein: the traction machine body includes:

the front bearing support is fixedly arranged on the left side of the machine base, and the rear bearing support is fixedly arranged on the right side of the machine base;

an inner rotor arranged at the middle position of the front bearing support and the rear bearing support;

the rotating shaft, the both ends of pivot are connected on preceding bearing support and back bearing support through preceding bearing and back bearing rotation respectively, the inner rotor is arranged along the pivot axial, and inner rotor fixed mounting is in the pivot.

As a preferable scheme of the inner rotor gearless traction machine of the utility model, wherein: the traction machine body further includes:

the outer stator is sleeved on the outer side of the inner rotor;

a traction sheave is fixedly arranged at one end of the rotating shaft;

the brake and the encoder are fixedly arranged at the other end of the rotating shaft.

As a preferable scheme of the inner rotor gearless traction machine of the utility model, wherein: the outer stator is directly fixed in the inner cavity of the machine base, and the machine base and the outer stator are positioned in a hot sleeve mode after being heated.

As a preferable scheme of the inner rotor gearless traction machine of the utility model, wherein: the heat dissipation mechanism includes:

the drainage component is used for introducing air into the stand and is arranged in the inner cavity of the rotating shaft;

and the filter assembly is used for filtering air and is connected to one end of the rotating shaft.

As a preferable scheme of the inner rotor gearless traction machine of the utility model, wherein: the drainage assembly includes:

the support rods are fixedly arranged on two sides of the inner wall of one end of the rotating shaft;

the support blocks are fixedly arranged between the two groups of support rods;

the fixed shaft is fixedly arranged on the supporting block;

a plurality of fan blades are fixedly arranged at one end of the fixed shaft;

the inner wall of the rotating shaft is provided with a plurality of drainage holes.

As a preferable scheme of the inner rotor gearless traction machine of the utility model, wherein: the filter assembly includes:

the inner cavity of the baffle is provided with fan blades;

the hollow pipe is fixedly arranged on one side of the baffle plate and is connected with one end of the rotating shaft through threads;

and the limiting plate is fixedly arranged at one end of the rotating shaft and is contacted with the hollow tube.

As a preferable scheme of the inner rotor gearless traction machine of the utility model, wherein: the filter assembly further comprises:

the through hole is formed in the inner wall of the middle end of the baffle;

the filter screen is fixedly arranged on the inner wall of the through hole.

Compared with the prior art:

1. through setting up drainage subassembly, have the effect that utilizes the rotation of hauler body to dispel the heat to its inside, dispel the heat to its inside through utilizing the rotation of hauler body, not only improved the radiating effect, still reduced the input of cost;

2. through setting up filter unit and filtering the air, have the phenomenon that reduces the dust inflow to the hauler body in, flow into the hauler body through reducing the dust to can improve the life of hauler body.

Drawings

FIG. 1 is a schematic elevational view of the structure of the present utility model;

FIG. 2 is a schematic front view of a heat dissipating mechanism according to the present utility model;

FIG. 3 is a schematic front view of a part of a heat dissipation mechanism according to the present utility model;

FIG. 4 is a schematic illustration of the connection of a baffle plate and a hollow tube according to the present utility model.

In the figure: brake 10, frame 11, front bearing support 12, back bearing support 13, front bearing 14, back bearing 15, pivot 16, inner rotor 17, outer stator 18, traction sheave 19, bracing piece 21, supporting shoe 22, fixed axle 23, flabellum 24, drainage hole 25, baffle 31, hollow tube 32, limiting plate 33, through-hole 34, filter screen 35.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

Example 1:

the utility model provides an inner rotor gearless traction machine, referring to fig. 1-4, comprising a traction machine body;

the traction machine body includes: the device comprises a frame 11, an inner rotor 17, a rotating shaft 16, an outer stator 18, a traction sheave 19 and a brake 10;

the left side of the machine base 11 is fixedly provided with a front bearing support 12, the right side of the machine base 11 is fixedly provided with a rear bearing support 13, an inner rotor 17 is arranged in the middle of the front bearing support 12 and the rear bearing support 13, two ends of a rotating shaft 16 are respectively connected to the front bearing support 12 and the rear bearing support 13 in a rotating way through a front bearing 14 and a rear bearing 15 in a rotating way, the inner rotor 17 is axially arranged along the rotating shaft 16, the inner rotor 17 is fixedly arranged on the rotating shaft 16, an outer stator 18 is sleeved on the outer side of the inner rotor 17, one end of the rotating shaft 16 is fixedly provided with a traction wheel 19, the other end of the rotating shaft 16 is fixedly provided with a brake 10 and an encoder, the outer stator 18 is directly fixed in the inner cavity of the machine base 11, the machine base 11 and the outer stator 18 are positioned in a hot jacket mode after being heated, wherein the brake 10 adopts a disc type electromagnetic brake, and the brake is braked when an elevator stops running only, namely the brake is electrified and the position of a car is unchanged, and the brake is electrified and the brake is in a lost; the motor is controlled by adopting a variable frequency and variable pressure driving mode; the traction sheave 19 has semicircular rope grooves with incisions, both ends hang the car and the counterweight respectively by means of traction wires, and the elevator is lifted and lowered by means of static friction between the traction wires and the rope grooves of the traction sheave 19.

Further comprises: and the heat dissipation mechanism is used for dissipating heat inside the traction machine body by utilizing the rotation of the traction machine body, and is arranged on the traction machine body.

The heat dissipation mechanism includes: a drainage assembly for introducing air into the housing 11, the drainage assembly being mounted in the interior cavity of the shaft 16;

the drainage assembly includes: the support rod 21, the support block 22, the fixed shaft 23, the fan blades 24 and the drainage holes 25;

the two sides of the inner wall of one end of the rotating shaft 16 are fixedly provided with supporting rods 21, a supporting block 22 is fixedly arranged between the two groups of supporting rods 21, a fixed shaft 23 is fixedly arranged on the supporting block 22, one end of the fixed shaft 23 is fixedly provided with a plurality of fan blades 24, and the inner wall of the rotating shaft 16 is provided with a plurality of drainage holes 25;

working principle: when the traction machine body works, the rotating shaft 16 rotates, when the rotating shaft 16 rotates, the fan blades 24 also rotate, and when the fan blades 24 rotate, the following phenomena occur:

1. outside air is introduced into the rotating shaft 16, the air flowing into the rotating shaft 16 flows into the machine seat 11 through the drainage hole 25, and the air flowing into the machine seat 11 flows out through gaps (such as the front bearing 14 and the rear bearing 15) in the tractor body, so that heat dissipation of the tractor body is realized;

2. air in the traction machine body is introduced into the rotating shaft 16 to realize the air in the traction machine body to be discharged, thereby completing heat dissipation.

Example 2:

on the basis of embodiment 1, a filter assembly for filtering air is provided, and the filter assembly is connected to one end of the rotating shaft 16;

the filter assembly includes: baffle 31, hollow tube 32, limiting plate 33, through hole 34, filter screen 35;

the inner cavity of the baffle 31 is provided with the fan blades 24, the hollow tube 32 is fixedly arranged on one side of the baffle 31, the hollow tube 32 is in threaded connection with one end of the rotating shaft 16, one end of the rotating shaft 16 is fixedly provided with the limiting plate 33, the limiting plate 33 is in contact with the hollow tube 32, the through hole 34 is formed in the inner wall of the middle end of the baffle 31, and the filter screen 35 is fixedly arranged on the inner wall of the through hole 34;

working principle: when the air passes through the filter screen 3, impurities such as dust in the air are filtered through the filter screen 3.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (6)

1. Inner rotor gearless traction machine, including the hauler body, its characterized in that still includes:

the heat dissipation mechanism is used for dissipating heat inside the traction machine body by utilizing the rotation of the traction machine body and is arranged on the traction machine body;

the traction machine body includes:

the device comprises a machine base (11), wherein a front bearing support (12) is fixedly arranged on the left side of the machine base (11), and a rear bearing support (13) is fixedly arranged on the right side of the machine base (11);

an inner rotor (17), the inner rotor (17) being placed in a middle position of the front bearing support (12) and the rear bearing support (13);

the two ends of the rotating shaft (16) are respectively connected to the front bearing support (12) and the rear bearing support (13) in a rotating way through a front bearing (14) and a rear bearing (15), the inner rotor (17) is axially arranged along the rotating shaft (16), and the inner rotor (17) is fixedly arranged on the rotating shaft (16);

the heat dissipation mechanism includes:

the drainage component is used for introducing air into the stand (11) and is arranged in the inner cavity of the rotating shaft (16);

and the filter assembly is used for filtering air and is connected to one end of the rotating shaft (16).

2. The inner rotor gearless machine of claim 1, wherein the machine body further comprises:

an outer stator (18), wherein the outer stator (18) is sleeved outside the inner rotor (17);

a traction wheel (19), wherein one end of the rotating shaft (16) is fixedly provided with the traction wheel (19);

and the brake (10) is fixedly arranged at the other end of the rotating shaft (16), and the brake (10) and the encoder are fixedly arranged at the other end of the rotating shaft.

3. The inner rotor gearless traction machine according to claim 2, wherein the outer stator (18) is directly fixed in an inner cavity of the machine base (11), and the machine base (11) is positioned in a shrink fit manner with the outer stator (18) after being heated.

4. The inner rotor gearless machine of claim 1, wherein the drainage assembly comprises:

the two sides of the inner wall of one end of the rotating shaft (16) are fixedly provided with the supporting rods (21);

the support blocks (22), the support blocks (22) are fixedly arranged between the two groups of support rods (21);

a fixed shaft (23), wherein the fixed shaft (23) is fixedly arranged on the supporting block (22);

a plurality of fan blades (24) are fixedly arranged at one end of the fixed shaft (23);

and the inner wall of the rotating shaft (16) is provided with a plurality of drainage holes (25).

5. The inner rotor gearless machine of claim 4, wherein the filter assembly comprises:

the fan comprises a baffle plate (31), wherein fan blades (24) are arranged in an inner cavity of the baffle plate (31);

the hollow tube (32) is fixedly arranged on one side of the baffle plate (31), and the hollow tube (32) is in threaded connection with one end of the rotating shaft (16);

and the limiting plate (33) is fixedly arranged at one end of the rotating shaft (16), and the limiting plate (33) is contacted with the hollow tube (32).

6. The inner rotor gearless machine of claim 5, wherein the filter assembly further comprises:

the through hole (34) is formed in the inner wall of the middle end of the baffle plate (31);

the filter screen (35), filter screen (35) fixed mounting is on the inner wall of through-hole (34).