CN216478511U

CN216478511U - Creep damage resistant bearing for industrial gear box

Info

Publication number: CN216478511U
Application number: CN202122540067.2U
Authority: CN
Inventors: 金磊; 任晓峥
Original assignee: Ningbo Zhenhai Hualei Bearing Co ltd
Current assignee: Ningbo Zhenhai Hualei Bearing Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-05-10
Anticipated expiration: 2031-10-21

Abstract

The utility model discloses a creep damage resistant bearing for an industrial gear box, which comprises: the inner side of the outer ring is coaxially provided with a contact ring, a roller which plays a supporting role is attached between the outer wall of the contact ring and the inner wall of the outer ring, and the roller is parallel to the axis of the contact ring; further comprising: the outer wall of the protective cover is attached to the side walls of the contact ring and the outer ring, the protective covers are symmetrically distributed on two sides of the roller to form a closed protective structure, and the protective covers and the contact ring are coaxially arranged; the retainer, its coaxial setting is in the avris of protective cover, it is equipped with to rotate on the retainer the roller forms the partition structure. This but industrial gear is bearing for gear box of anti creep damage, it is provided with a plurality of heat radiation structure, has improved the cooling heat-sinking capability of bearing, and the operating temperature of part when can effectively reduce the high-speed rotation of bearing reduces the creep damage that the bearing produced because of high temperature.

Description

Creep damage resistant bearing for industrial gear box

Technical Field

The utility model relates to the technical field of gearbox bearings, in particular to a creep damage resistant bearing for an industrial gearbox.

Background

The power is transmitted through the transmission shaft during the operation of the gear box, and the rotating shaft needs to be supported through a bearing during the rotation, however, the existing bearing for the gear box still has some problems.

The bearing on the market only dispels the heat through the mode of surface and air contact, and the cooling heat-sinking capability is relatively poor for when the bearing rotated at a high speed, the operating temperature of part was too high, and high temperature can accelerate the creep damage of bearing.

In order to solve the problems, innovative design is urgently needed on the basis of the original bearing for the gear box.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a creep damage resistant bearing for an industrial gearbox, which aims to solve the problems that the prior bearing for the gearbox only radiates heat in a way of contacting the surface with air, has poor cooling and radiating capabilities, causes the operating temperature of parts to be overhigh when the bearing rotates at high speed, and accelerates the creep damage of the bearing due to high temperature.

In order to achieve the purpose, the utility model provides the following technical scheme: a creep damage resistant industrial gearbox bearing comprising:

the inner side of the outer ring is coaxially provided with a contact ring, a roller which plays a supporting role is attached between the outer wall of the contact ring and the inner wall of the outer ring, and the axis of the roller is parallel to that of the contact ring;

further comprising:

the outer wall of the protective cover is attached to the side walls of the contact ring and the outer ring, the protective cover is symmetrically distributed on two sides of the roller to form a closed protective structure, and the protective cover and the contact ring are coaxially arranged;

the holder, its coaxial setting is in the avris of protective cover, it is equipped with to rotate to inlay on the holder the roller forms the partition structure, and the holder does not contact with contact ring and outer loop.

Preferably, coaxial laminating has the snap ring that plays limiting displacement on the terminal surface of protective cover, and the snap ring is circular-arc structure to the snap ring slides to inlay and establishes in the recess that the outer loop inboard was seted up, the snap ring comprises elasticity stainless steel material moreover, makes the snap ring fix a position the protective cover.

Preferably, the rollers are of cylindrical structures, the rollers are distributed in the chutes formed in the outer ring and the contact ring at equal angles, and the limiting rings are attached to the end faces of the rollers, so that the contact ring can drive the rollers to rotate.

Preferably, the limiting ring is embedded on the retainer in a sliding manner, a fastening screw rod penetrates through the limiting ring in a sliding manner, and the end part of the fastening screw rod is in threaded connection with the retainer to form a fastening structure of the limiting ring, so that the retainer and the limiting ring can rotate synchronously.

Preferably, the terminal surface of the contact ring is provided with cooling channels distributed at equal angles, ports of the cooling channels are arranged on the inner side of the shell, the shell is fixedly connected to the outer wall of the contact ring, the side wall of the shell is connected with a liquid inlet pipe in a through mode, a plug body with a sealing effect is embedded on the inner wall of the liquid inlet pipe, and a liquid cooling structure of the device is formed.

Preferably, the heat conduction ring is fixedly installed on the shell in a penetrating mode and located on the inner side of the shell, and the heat conduction ring and the radiating fins of the honeycomb structures are fixedly connected to the outer wall of the shell, so that the radiating efficiency is improved.

Compared with the prior art, the utility model has the beneficial effects that: the creep damage resistant bearing for the industrial gear box is provided with a plurality of heat dissipation structures, so that the cooling and heat dissipation capacity of the bearing is improved, the operating temperature of parts during high-speed rotation of the bearing can be effectively reduced, and the creep damage of the bearing caused by high temperature is reduced;

1. the inner side of the outer ring is coaxially provided with a contact ring, rollers which are distributed at equal angles are attached between the outer wall of the contact ring and the inner wall of the outer ring, the end face of the contact ring is provided with a cooling channel which is distributed at equal angles, the port of the cooling channel is arranged at the inner side of the shell, the shell is fixedly connected to the outer wall of the contact ring, the side wall of the shell is connected with a liquid inlet pipe in a penetrating way, a user adds cooling oil into the shell through the liquid inlet pipe, and the cooling oil in the shell flows into the cooling channel to form a liquid cooling structure of the bearing;

2. the heat conduction ring is fixedly installed on the shell in a penetrating mode, the heat conduction ring is located on the inner side of the shell, the heat radiating fins of the honeycomb structures are fixedly connected to the outer walls of the heat conduction ring and the shell, and when the shell is filled with cooling oil, the heat conduction ring can be immersed in the oil liquid, so that the heat conduction ring can conduct heat to the heat radiating fins to radiate the heat.

Drawings

FIG. 1 is a schematic view of the overall external structure of the present invention;

FIG. 2 is a schematic view of a roller mounting arrangement of the present invention;

FIG. 3 is a schematic view of a heat conductive ring mounting structure according to the present invention;

FIG. 4 is a schematic view of a mounting structure of the stop collar of the present invention;

FIG. 5 is a schematic view of the cooling duct installation structure of the present invention.

In the figure: 1. an outer ring; 2. a contact ring; 3. a protective cover; 4. a snap ring; 5. a roller; 6. a holder; 7. a limiting ring; 8. fastening a screw rod; 9. a cooling channel; 10. a housing; 11. a liquid inlet pipe; 12. a plug body; 13. a heat conducting ring; 14. and a heat sink.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a creep damage resistant industrial gearbox bearing comprising:

the inner side of the outer ring 1 is coaxially provided with a contact ring 2, a roller 5 playing a supporting role is attached between the outer wall of the contact ring 2 and the inner wall of the outer ring 1, and the axes of the roller 5 and the contact ring 2 are parallel;

further comprising:

the outer wall of the protective cover 3 is attached to the side walls of the contact ring 2 and the outer ring 1, the protective cover 3 is symmetrically distributed on two sides of the roller 5 to form a closed protective structure, and the protective cover 3 and the contact ring 2 are coaxially arranged;

and the retainer 6 is coaxially arranged at the side of the protective cover 3, the roller 5 is rotatably embedded on the retainer 6 to form a separation structure, and the retainer 6 is not in contact with the contact ring 2 and the outer ring 1.

A snap ring 4 which has the function of limiting is coaxially attached to the end surface of the protective cover 3, the snap ring 4 is in an arc structure, the snap ring 4 is embedded in a groove arranged on the inner side of the outer ring 1 in a sliding way, the snap ring 4 is made of elastic stainless steel materials, the rollers 5 are in a cylindrical structure, the rollers 5 are distributed in sliding grooves arranged on the outer ring 1 and the contact ring 2 at equal angles, and the end surface of the roller 5 is provided with a limit ring 7 in a fitting way, the limit ring 7 is embedded on the retainer 6 in a sliding way, a fastening screw 8 penetrates through the limit ring 7 in a sliding way, and the end part of the fastening screw rod 8 is connected with the retainer 6 in a threaded manner to form a fastening structure of the limiting ring 7, when the transmission shaft drives the contact ring 2 to rotate, the rollers 5 which are attached between the contact ring 2 and the outer ring 1 at equal angles roll under the action of friction force, and at the moment, the rollers 5 drive the retainer 6 and the limit ring 7 to synchronously rotate.

The end face of the contact ring 2 is provided with cooling channels 9 distributed at equal angles, the ports of the cooling channels 9 are arranged on the inner side of the shell 10, the shell 10 is fixedly connected on the outer wall of the contact ring 2, the side wall of the shell 10 is connected with a liquid inlet pipe 11 in a through way, a plug body 12 playing a sealing role is embedded on the inner wall of the liquid inlet pipe 11, a heat conducting ring 13 is fixedly arranged on the shell 10 in a through way, the heat conducting ring 13 is positioned on the inner side of the shell 10, heat radiating fins 14 in a honeycomb structure are fixedly connected on the outer walls of the heat conducting ring 13 and the shell 10, cooling oil is added into the shell 10 through the liquid inlet pipe 11, oil in the shell 10 enters the cooling channels 9, the cooling oil filled in the cooling channels 9 and the shell 10 absorbs heat emitted by the contact ring 2 to form a liquid cooling structure, the heat conducting ring 13 is immersed in the cooling oil in the shell 10, and the heat of the cooling oil is conducted to the heat radiating fins 14 by the heat conducting ring 13, the heat dissipation fins 14 of the honeycomb structure can effectively increase the heat dissipation area and improve the heat dissipation efficiency.

The working principle is as follows: when the creep damage resistant bearing for the industrial gearbox is used, firstly, referring to fig. 1-5, a user pulls the plug body 12 to separate the plug body 12 from the liquid inlet pipe 11, namely, cooling oil can be added into the shell 10 through the liquid inlet pipe 11, because the end surface of the contact ring 2 is provided with the cooling channels 9 distributed at equal angles, the ports of the cooling channels 9 are arranged at the inner side of the shell 10, and the shell 10 is fixedly connected to the outer wall of the contact ring 2, at the moment, oil liquid in the shell 10 can enter the cooling channels 9, and when the cooling oil in the shell 10 is full, the plug body 12 is installed back to the original position;

referring to fig. 1-5, when the transmission shaft drives the contact ring 2 to rotate, the rollers 5 disposed between the contact ring 2 and the outer ring 1 in an equiangular manner will roll under the action of friction force, because the rollers 5 are rotatably embedded on the retainer 6, and the retainer ring 7 is fixed on the retainer 6 through the fastening screw 8, at this time, the rollers 5 will drive the retainer 6 and the retainer ring 7 to rotate synchronously, and the bearing will generate heat during high-speed rotation, as can be seen from the above steps, the cooling oil filled in the cooling channel 9 and the housing 10 will absorb the heat emitted from the contact ring 2, thereby forming a liquid cooling structure, because the housing 10 is fixedly installed with the heat conducting ring 13 in a penetrating manner, and the heat conducting ring 13 is located on the inner side of the housing 10, and the heat radiating fins 14 are fixedly connected to the outer walls of the heat conducting ring 13 and the housing 10, the heat conducting ring 13 will be immersed in the cooling oil inside the housing 10, and the heat of the cooling oil is conducted to the heat radiating fins 14 by the heat conducting ring 13, the heat radiating fins 14 with the honeycomb structure can effectively increase the heat radiating area, improve the heat radiating efficiency, reduce the temperature of the bearing and reduce the creep damage of the bearing caused by high temperature.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. A creep damage resistant industrial gearbox bearing comprising:

the inner side of the outer ring (1) is coaxially provided with a contact ring (2), a roller (5) playing a supporting role is attached between the outer wall of the contact ring (2) and the inner wall of the outer ring (1), and the axes of the roller (5) and the contact ring (2) are parallel;

it is characterized by also comprising:

the outer wall of the protective cover (3) is attached to the side walls of the contact ring (2) and the outer ring (1), the protective cover (3) is symmetrically distributed on two sides of the roller (5) to form a closed protective structure, and the protective cover (3) and the contact ring (2) are coaxially arranged;

the retainer (6) is coaxially arranged at the side of the protective cover (3), the roller (5) is embedded on the retainer (6) in a rotating mode to form a separation structure, and the retainer (6) is not in contact with the contact ring (2) and the outer ring (1);

offer cooling channel (9) of equal angular distribution on the terminal surface of contact ring (2), and the port setting of cooling channel (9) is in the inboard of casing (10), and casing (10) fixed connection be in on the outer wall of contact ring (2), through connection has feed liquor pipe (11) on the lateral wall of casing (10), and inlays on the inner wall of feed liquor pipe (11) and be equipped with cock body (12) that play sealed effect, fixed through mounting is gone up in casing (10) has heat conduction ring (13), and heat conduction ring (13) are located the inboard of casing (10) to fixedly connected with is honeycomb's fin (14) on the outer wall of heat conduction ring (13) and casing (10).

2. The creep damage resistant industrial gearbox bearing of claim 1, wherein: the end face of the protective cover (3) is coaxially attached with a snap ring (4) with a limiting effect, the snap ring (4) is of an arc-shaped structure, the snap ring (4) is slidably embedded in a groove formed in the inner side of the outer ring (1), and the snap ring (4) is made of elastic stainless steel materials.

3. The creep damage resistant industrial gearbox bearing of claim 1, wherein: the roller (5) is of a cylindrical structure, the rollers (5) are distributed in sliding grooves formed in the outer ring (1) and the contact ring (2) at equal angles, and a limiting ring (7) is attached to the end face of the roller (5).

4. A creep damage resistant industrial gearbox bearing in accordance with claim 3, wherein: the limiting ring (7) is embedded on the retainer (6) in a sliding mode, a fastening screw (8) penetrates through the limiting ring (7) in a sliding mode, and the end portion of the fastening screw (8) is connected to the retainer (6) in a threaded mode to form a fastening structure of the limiting ring (7).