CN218818051U

CN218818051U - High-efficiency energy-saving motor and bearing box connecting assembly

Info

Publication number: CN218818051U
Application number: CN202222942671.2U
Authority: CN
Inventors: 陈绍德
Original assignee: Zhejiang Xingwang Explosion Proof Fan Co ltd
Current assignee: Zhejiang Xingwang Explosion Proof Fan Co ltd
Priority date: 2022-11-06
Filing date: 2022-11-06
Publication date: 2023-04-07
Anticipated expiration: 2032-11-06

Abstract

The utility model discloses a high-efficiency energy-saving motor and bearing box connecting assembly, which comprises a motor, a transmission case and a transmission shaft, wherein the transmission case is connected with the transmission shaft through a bearing, the two ends of the transmission case are respectively provided with a front end cover and a rear end cover, the output shaft of the motor is directly connected with the transmission shaft through an inner key, and the motor is arranged with the front end cover through a flange; the middle part of the transmission case is provided with a liquid cooling pipe which is spirally sleeved on the transmission shaft, and the transmission shaft is internally provided with a radiator. The utility model discloses in, through setting up the liquid cooling pipe, replaced traditional direct cold water injection transmission incasement and carried out refrigerated mode, reduced the high requirement to transmission case sealing performance, improve the utilization ratio of cold water, it is more energy-concerving and environment-protective, through setting up the radiator, utilize the heat conduction post, will absorb by the heat of transmission shaft both ends propagation to through the fin, with the heat to being close to liquid cooling pipe one side transmission, thereby further improve cooling efficiency.

Description

High-efficiency energy-saving motor and bearing box connecting assembly

Technical Field

The utility model relates to the technical field of motors, specifically be a high-efficient energy-saving motor and bearing box connection assembly.

Background

The connection between the motor and the fan generally has three connection modes, which respectively have the advantages of high transmission efficiency, protection of the motor from mechanical failure and adjustment of the fan performance by changing the rotation speed of the fan, and also have respective disadvantages, such as easy damage of the motor due to mechanical failure, low transmission efficiency and the like. The prior patent (publication number: CN 211089342U) discloses a high-efficiency compact permanent magnet motor and bearing box connection assembly, the utility model adopts an internal key direct connection mode to connect the motor and the bearing box, the advantages of the prior transmission mode are kept, the defects of the prior transmission mode are improved, the high efficiency and the energy conservation are realized, but the traditional water cooling mode is adopted in the connection assembly to cool the transmission shaft, cold water filled in the transmission box is used for absorbing the heat of the transmission shaft, the driving force for the water flow comes from a pump body, the water flow in the transmission box has freedom, the condition that the cold water is recovered when the heat is not fully absorbed easily occurs, the utilization rate of the cold water is low, and the practical use is not facilitated. Therefore, an efficient energy-saving motor and bearing box connecting assembly is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an energy-efficient motor and bearing box connection assembly to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a high-efficiency energy-saving motor and bearing box connecting assembly is designed, and comprises a motor, a transmission box and a transmission shaft, wherein the transmission box is internally connected with the transmission shaft through a bearing, a front end cover and a rear end cover are respectively arranged at two ends of the transmission box, an output shaft of the motor is directly connected with the transmission shaft through an inner key, and the motor is installed with the front end cover through a flange;

the transmission case middle part is equipped with and is the heliciform cover and locates the epaxial liquid cooling pipe of transmission, there is the clearance between liquid cooling pipe and the transmission shaft, liquid cooling pipe and transmission case outside intercommunication, just be equipped with the radiator in the transmission shaft.

Preferably, a conduction pipe inserted into the transmission box is fixed at the middle of the transmission box, and the conduction pipe is respectively connected with two ends of the liquid cooling pipe.

Preferably, the transmission shaft comprises a first shaft body and a second shaft body which are connected with each other, the radiator is inserted into inner cavities of the first shaft body and the second shaft body, and an installation groove matched with the output shaft of the motor is formed in the end part of the first shaft body.

Preferably, the radiator comprises a heat conduction column, radiating fins are uniformly fixed on the periphery of the heat conduction column, and positioning grooves matched with the heat conduction column are formed in the end portions of the inner cavities of the first shaft body and the second shaft body.

Compared with the prior art, the beneficial effects of the utility model are that: through setting up the liquid cooling pipe, the utilization is equipped with coolant's liquid cooling pipe, cool off the transmission shaft, traditional direct cold water injection transmission incasement carries out refrigerated mode has been replaced, on the one hand, the high requirement to transmission case sealing performance has been reduced, on the other hand, restriction rivers direction, make rivers flow along the liquid cooling pipe, make the work heat production that every rivers can both fully absorb the transmission shaft, improve the utilization ratio of cold water, it is more energy-concerving and environment-protective, through set up the radiator in the transmission shaft, utilize the heat conduction post, the heat that will be propagated by the transmission shaft both ends is absorbed, and through the fin that is located on the heat conduction post, with the heat to being close to liquid cooling pipe one side transmission, thereby further improve cooling efficiency.

Drawings

Fig. 1 is a schematic structural view of a high-efficiency energy-saving motor and bearing box coupling assembly provided by the present invention;

fig. 2 is a schematic view of the internal structure of a transmission case of the coupling assembly of the high-efficiency energy-saving motor and the bearing case provided by the present invention;

fig. 3 is a schematic view of the internal structure of a transmission shaft of a high-efficiency energy-saving motor and bearing box coupling assembly according to the present invention.

In the figure: the motor 1, the transmission case 2, the bearing 3, the front end cover 4, the flange 5, the rear end cover 6, the transmission shaft 7, the first shaft body 71, the mounting groove 72, the second shaft body 73, the positioning groove 74, the radiator 8, the heat conducting column 81, the radiating fin 82, the liquid cooling pipe 9 and the conduction pipe 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a high-efficiency energy-saving motor and bearing box connection assembly comprises a motor 1, a transmission box 2 and a transmission shaft 7, wherein the transmission box 2 is connected with the transmission shaft 7 through a bearing 3, the bearing 3 is respectively arranged at two ends in the transmission box 2, a front end cover 4 and a rear end cover 6 are respectively arranged at two ends of the transmission box 2, an output shaft of the motor 1 is directly connected with the transmission shaft 7 through an inner key, and the motor 1 is arranged with the front end cover 4 through a flange 5;

the middle part of the transmission case 2 is provided with a liquid cooling pipe 9 which is spirally sleeved on the transmission shaft 7, a gap exists between the liquid cooling pipe 9 and the transmission shaft 7, the transmission efficiency is prevented from being influenced by the friction between the transmission shaft 7 rotating at a high speed and the liquid cooling pipe 9, and the liquid cooling pipe 9 is communicated with the outer side of the transmission case 2;

furthermore, a conduction pipe 10 inserted into the transmission case 2 is fixed at the middle part of the transmission case, and the conduction pipe 10 is respectively connected with two ends of the liquid cooling pipe 9; the two ends of the liquid cooling pipe 9 are provided with threaded joints, the threaded joints are inserted into the bottom end of the conduction pipe 10 to be in threaded connection with the conduction pipe, the conduction pipe 10 is respectively connected with supply equipment and recovery equipment, in actual assembly, the liquid cooling pipe 9 is firstly inserted into the transmission box 2, then the liquid cooling pipe 9 is connected with the conduction pipe 10, and finally the bearing 3 and the transmission shaft 7 are installed;

specifically, through setting up liquid cooling pipe 9, utilize the liquid cooling pipe 9 that is equipped with coolant, cool off transmission shaft 7, replaced traditional direct cold water injection transmission case 2 in carry out refrigerated mode, on the one hand, reduced the high requirement to transmission case 2 sealing performance, on the other hand, restriction rivers direction makes rivers flow along liquid cooling pipe 9, makes every rivers can both fully absorb transmission shaft 7's work heat production, improves the utilization ratio of cold water, and is more energy-concerving and environment-protective.

A radiator 8 is arranged in the transmission shaft 7; heat dissipation is performed from the inside of the transmission shaft 7, so that the heat dissipation effect is improved;

further, the transmission shaft 7 includes a first shaft body 71 and a second shaft body 73 which are hollow and connected with each other, wherein the second shaft body 73 is an output end of the transmission shaft 7, the heat sink 8 is inserted into inner cavities of the first shaft body 71 and the second shaft body 73, an installation groove 72 which is matched with an output shaft of the motor 1 is arranged at an end portion of the first shaft body 71, and a key slot is arranged in the installation groove 72 and used for fixing with the output shaft of the motor 1; the actual installation steps are that one end of the radiator 8 is inserted into the inner cavity of the first shaft body 71, and then the second shaft body 73 is butted with the first shaft body 71 and welded;

further, the heat sink 8 includes a heat conducting column 81, fins 82 are uniformly fixed on the heat conducting column 81 in the circumferential direction, wherein edges of the fins 82 are abutted against inner walls of cavities of the first shaft body 71 and the second shaft body 73, and the end portions of the inner cavities of the first shaft body 71 and the second shaft body 73 are respectively provided with a positioning groove 74 matched with the heat conducting column 81; the positioning groove 74 is used for positioning and mounting the radiator 8;

specifically, through set up radiator 8 in transmission shaft 7, utilize heat conduction post 81, will be absorbed by the heat that transmission shaft 7 both ends were propagated to through the fin 82 that is located on heat conduction post 81, with the heat to being close to liquid-cooled tube 9 one side transmission, thereby further improve cooling efficiency, cooperation liquid-cooled tube 9 cools off from transmission shaft 7 inside and outside simultaneously, reaches energy-efficient effect.

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 an energy-efficient type motor and bearing box connection assembly, includes motor (1), transmission case (2), transmission shaft (7), its characterized in that: the transmission case (2) is internally connected with a transmission shaft (7) through a bearing (3), a front end cover (4) and a rear end cover (6) are respectively installed at two ends of the transmission case (2), an output shaft of the motor (1) is directly connected with the transmission shaft (7) through an inner key, and the motor (1) is installed with the front end cover (4) through a flange (5);

transmission case (2) middle part is equipped with and is liquid cooling pipe (9) on transmission shaft (7) are located to the heliciform cover, there is the clearance between liquid cooling pipe (9) and transmission shaft (7), liquid cooling pipe (9) and transmission case (2) outside intercommunication, just be equipped with radiator (8) in transmission shaft (7).

2. The connecting assembly of the high-efficiency energy-saving motor and the bearing box as claimed in claim 1, wherein: the middle part of the transmission case (2) is fixed with a conduction pipe (10) inserted into the transmission case, and the conduction pipe (10) is connected with two ends of the liquid cooling pipe (9) respectively.

3. The coupling assembly of an energy-efficient motor and a bearing box as claimed in claim 1, wherein: the transmission shaft (7) comprises a first shaft body (71) and a second shaft body (73) which are connected with each other in a hollow mode, the radiator (8) is inserted into inner cavities of the first shaft body (71) and the second shaft body (73), and an installation groove (72) matched with an output shaft of the motor (1) is formed in the end portion of the first shaft body (71).

4. A high efficiency energy saving motor and bearing housing coupling assembly as claimed in claim 3, wherein: the radiator (8) comprises a heat conduction column (81), radiating fins (82) are uniformly fixed on the periphery of the heat conduction column (81), and positioning grooves (74) matched with the heat conduction column (81) are formed in the end portions of the inner cavities of the first shaft body (71) and the second shaft body (73).