CN214233710U

CN214233710U - Transmission stirring device

Info

Publication number: CN214233710U
Application number: CN202022817450.3U
Authority: CN
Inventors: 黄占喜; 杜德意
Original assignee: JIANGSU HAOTELONG MIX EQUIPMENT CO Ltd
Current assignee: JIANGSU HAOTELONG MIX EQUIPMENT CO Ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-09-21
Anticipated expiration: 2030-11-30

Abstract

The utility model belongs to the technical field of a transmission agitating unit and specifically relates to a mechanical stirring equipment of motor is directly driven to permanent magnetism, it includes driving motor, shaft coupling, no fulcrum frame, mechanical seal, mounting flange, (mixing) shaft, upper agitator, bottom agitator, end bearing and casing, driving motor fixes the outside at the casing through no fulcrum frame, driving motor's output shaft is connected through the shaft coupling with the (mixing) shaft, upper agitator and bottom agitator are fixed on the (mixing) shaft and are in the casing, the bottom of (mixing) shaft is equipped with end bearing. The utility model adopts the permanent-magnet direct drive motor with compact structure, small volume, light weight and easy installation; the driving system has no high-speed running part, so that the speed reducer and other transmission devices are eliminated, the vibration and noise of the whole transmission system are greatly reduced, and the noise and vibration of the permanent magnet motor are low.

Description

Transmission stirring device

Technical Field

The utility model relates to a transmission equipment, specifically speaking are mechanical stirring equipment of permanent-magnet direct drive motor.

Background

With the high-speed development of Chinese economy, the energy consumption is more and more, but the domestic energy utilization rate is low, and the state continuously strengthens the implementation strength of energy conservation and emission reduction. The modern science and technology is developed rapidly, the development of the stirring technology is promoted, and how to realize the purposes of further improving the unit productivity, reducing the energy consumption and saving the cost. In order to achieve the purposes, besides reasonably optimizing the process operation process, the correct and selective use of the stirring driving device is also an important guarantee for realizing high efficiency and energy conservation.

Disclosure of Invention

The utility model aims at providing a novel permanent magnetism directly drives mechanical stirring equipment of motor compares with traditional agitated vessel motor + speed reducer drive and can reduce energy consumption 15% -25%.

According to the technical scheme provided by the utility model, a transmission agitating unit, including driving motor, shaft coupling, no fulcrum frame, mechanical seal, installation flange, (mixing) shaft, upper agitator, bottom agitator, end bearing and casing, driving motor fixes the outside at the casing through no fulcrum frame, driving motor's output shaft is connected through the shaft coupling with the (mixing) shaft, upper agitator and bottom agitator are fixed on the (mixing) shaft and are in the casing, the bottom of (mixing) shaft is equipped with end bearing.

As a further improvement of the utility model, be equipped with the mounting flange between no fulcrum frame and the casing, be equipped with mechanical seal on the mounting flange.

As a further improvement of the utility model, the driving motor adopts the permanent magnetism to directly drive the motor.

As a further improvement of the utility model, the output shaft of the driving motor is connected with the stirring shaft in a rigid connection mode.

Compared with the prior art, the utility model, have following advantage:

1. the permanent-magnet direct-drive motor has compact structure, small volume, light weight and easy installation; the driving system has no high-speed running part, so that the speed reducer and other transmission devices are eliminated, the vibration and noise of the whole transmission system are greatly reduced, and the noise and vibration of the permanent magnet motor are low.

2. The whole stirring system is safe and reliable in operation, small in maintenance amount and low in maintenance cost.

3. The energy is saved, the efficiency of the permanent magnet direct drive motor is generally more than 96%, the power factor is more than 097, the efficiency of the asynchronous motor is less than 92%, the power factor is about 0.66, and the energy consumption can be reduced by 15% -25% compared with the traditional stirring equipment motor and speed reducer drive.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Description of reference numerals: 1-driving motor, 2-coupler, 3-fulcrum-free frame, 4-mechanical seal position, 5-mounting flange, 6-stirring shaft, 7-upper stirrer, 8-bottom stirrer, 9-bottom bearing and 10-shell.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

The utility model provides a transmission agitating unit, includes driving motor 1, shaft coupling 2, no fulcrum frame 3, (mixing) shaft 6, upper agitator 7, bottom agitator 8, end bearing 9 and casing 10, driving motor 1 fixes the outside at casing 10 through no fulcrum frame 3, driving motor 1's output shaft is connected through shaft coupling 2 with (mixing) shaft 6, upper agitator 7 and bottom agitator 8 are fixed on (mixing) shaft 6 and are in casing 10, the bottom of (mixing) shaft 6 is equipped with end bearing 9, links two little paddles below the end bearing 9, prevents bottom impurity deposit.

And a mounting flange 5 is arranged between the non-fulcrum frame 3 and the shell 10, and a mechanical seal 4 is arranged on the mounting flange 5.

The driving motor 1 adopts a permanent magnet direct drive motor, and the permanent magnet direct drive motor has the advantages that:

advantages of permanent magnet electric machine

1) The permanent magnet material is a neodymium iron boron rare earth permanent magnet material with high magnetic energy product and high coercivity; the enameled wire is an H-level high-strength polyesterimide enameled wire; the iron core is made of cold-rolled silicon steel sheet with high magnetic conductivity.

2) Compact structure, small volume, light weight and easy installation.

3) The operation is safe and reliable, the maintenance amount is less, and the maintenance cost is low.

Because the permanent magnet motor has simple structure, the rotor does not have the problem of heating, and the operation is safer and more reliable

4) The permanent magnet motor driving system has no high-speed running part, so that the noise and vibration of the motor are low. Meanwhile, the speed reducer and other transmission devices are eliminated, and the vibration and noise of the speed reducer and other transmission devices are eliminated, so that the vibration and noise of the whole transmission system are greatly reduced.

5) The energy-saving and high-efficiency permanent magnet motor has the general efficiency of more than 96 percent and the power factor of more than 097, while the efficiency of the asynchronous motor is less than 92 percent and the power factor is about 0.66.

6) The driving system adopts a special frequency converter, the control and speed regulation are convenient, the fault protection function is complete, the operation is safe and stable, and the intelligent control is easy.

7) The reactive current is small, the total current of the motor is less than 1/3 compared with that of an asynchronous motor, the requirement on the capacity of upstream power transmission and distribution (comprising a transformer, a switch, a cable and the like) is reduced, and the investment of a power transmission and distribution system is smaller.

The output shaft of the driving motor 1 is connected with the stirring shaft 6 in a rigid connection mode.

The utility model discloses a theory of operation does: the inside of driving motor 1 adopts strenghthened type bearing to arrange, can adopt no fulcrum frame 3 directly to hang (mixing) shaft 6, agitator and use, compares in traditional mode, and simple structure adopts the permanent magnetism to directly drive the motor simultaneously, and is reliable convenient.

Claims

1. The utility model provides a transmission agitating unit, includes driving motor (1), shaft coupling (2), no fulcrum frame (3), (mixing) shaft (6), (upper agitator (7), (bottom agitator (8), (bottom bearing) (9)) and casing (10), its characterized in that, driving motor (1) is fixed in the outside of casing (10) through no fulcrum frame (3), the output shaft of driving motor (1) is connected through shaft coupling (2) with (mixing) shaft (6), upper agitator (7) and bottom agitator (8) are fixed on (mixing) shaft (6) and are in casing (10), the bottom of (mixing) shaft (6) is equipped with bottom bearing (9).

2. A driven stirring device as in claim 1, characterized in that between the fulcrum-less frame (3) and the housing (10) is provided a mounting flange (5), said mounting flange (5) being provided with a mechanical seal (4).

3. A transmission stirring device as claimed in claim 1, characterised in that the drive motor (1) is a permanent magnet direct drive motor.

4. A driven stirring device as claimed in claim 1, characterised in that the output shaft of the drive motor (1) is rigidly connected to the stirring shaft (6).