CN216407520U

CN216407520U - Bearing cooling device

Info

Publication number: CN216407520U
Application number: CN202122097992.2U
Authority: CN
Inventors: 陈姣姣; 张勋波; 张志雄; 邓怀泽
Original assignee: Kunming Jiahe Technology Co ltd
Current assignee: Kunming Jiahe Technology Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-04-29
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses a bearing cooling device, which comprises a rotating shaft, a bearing box and a bearing, wherein an oil cavity for storing lubricating oil is arranged in the bearing box and used for providing the lubricating oil for the bearing; a hollow coil pipe is arranged in the oil cavity, cooling water can be introduced into the hollow coil pipe, and the hollow coil pipe is used for cooling lubricating oil in the oil cavity; the bearing box is provided with a lower bearing box cover, the lower bearing box cover is provided with a cooling water inlet and a cooling water outlet, one end of the hollow coil pipe is communicated with the cooling water inlet, and the other end of the hollow coil pipe is communicated with the cooling water outlet. The utility model has the advantages of simple structure, less replacement parts, easy assembly, good cooling effect, reliable sealing and convenient maintenance, and can quickly cool the bearing, thereby effectively prolonging the service life of the bearing.

Description

Bearing cooling device

Technical Field

The utility model relates to the technical field of fluid conveying machinery, in particular to a bearing cooling device.

Background

In the bearing device, noise and vibration are generated due to running friction of the bearing, so that the temperature of the bearing is increased to cause damage to the bearing, thereby destroying the whole mechanical device. The control of the bearing operating temperature is very important, and the service life of the bearing is directly influenced by the overhigh bearing operating temperature. Therefore, good heat dissipation is required to ensure that the temperature of the bearing is within an allowable range, prolong the service life of the bearing and ensure the normal operation of the bearing.

In view of the above, it is necessary to design a bearing cooling device to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides the bearing cooling device which has the advantages of simple structure, less replacement parts, easiness in assembly, good cooling effect, reliable sealing and convenience in maintenance, and can be used for rapidly cooling the bearing, so that the service life of the bearing is effectively prolonged.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a bearing cooling device comprises a rotating shaft, a bearing box and a bearing, wherein an oil cavity for storing lubricating oil is formed in the bearing box, the oil cavity is used for providing the lubricating oil for the bearing, the rotating shaft is fixed in the bearing box through the bearing, a bearing sleeve is sleeved on the rotating shaft, the bearing is sleeved on the outer ring of the bearing sleeve, the bearing is installed on the bearing sleeve through a locking nut and a stop washer, and the locking nut and the stop washer are used for preventing the bearing from loosening;

a hollow coil pipe is arranged in the oil cavity, cooling water can be introduced into the hollow coil pipe, and the hollow coil pipe is used for cooling lubricating oil in the oil cavity;

the bearing box is provided with a lower bearing box cover, the lower bearing box cover is provided with a cooling water inlet and a cooling water outlet, one end of the hollow coil is communicated with the cooling water inlet, and the other end of the hollow coil is communicated with the cooling water outlet.

Preferably, a fan is arranged on the outer side of the lower cover of the bearing box.

Preferably, a fan cover is arranged outside the fan, and the fan cover is sleeved on the lower cover of the bearing box.

Preferably, the bearing box is provided with a bearing box end cover and a bearing box cover, the bearing box lower cover, the bearing box end cover and the bearing box cover form the bearing box, and the bearing box end cover is fixedly connected with the bearing box cover through a nut.

Preferably, a groove is formed between the bearing box end cover and the bearing box cover, and the bearing is placed in the groove.

Preferably, the cooling water inlet and the cooling water outlet are both communicated with an external cooling water source.

Preferably, the hollow coil pipe is an integrally formed bent coil pipe, and the hollow coil pipe is a thin-wall hollow coil pipe.

The utility model has the following beneficial effects:

1. according to the bearing cooling device, the hollow coil pipe is arranged in the oil cavity, so that the effective contact area of the hollow coil pipe and lubricating oil is increased, the lubricating oil in the oil cavity is rapidly cooled, and the purpose of rapidly cooling the bearing is further achieved.

2. The bearing cooling device cools lubricating oil through the hollow coil and performs double cooling on the outer fan, so that the running temperature of the bearing can be effectively reduced.

3. The bearing cooling device disclosed by the utility model has the advantages of simple structure, few replacement parts, easiness in assembly, good cooling effect, reliability in sealing and convenience in maintenance.

4. The bearing cooling device is suitable for bearing devices under the working conditions of common working conditions, high temperature or ultrahigh temperature and the like, and has an efficient control effect on the temperature of the pump bearing during operation.

Drawings

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

in the figure: 1-a fan cover; 2-a fan; 3-lower cover of bearing box; 4-hollow coil pipe; 5-a bearing housing; 6-bearing sleeve; 7-locking the nut; 8-a stop washer; 9-a bearing; 10. a rotating shaft; 11-an oil chamber; 12-bearing housing end caps; 13-bearing housing cover; 14-nut.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1, a bearing cooling apparatus according to an embodiment of the present invention includes a rotating shaft 10, a bearing housing 5, and a bearing 9.

Specifically, have the oil pocket 11 that is used for storing lubricating oil in the bearing box 5, oil pocket 11 is used for providing lubricating oil for bearing 9, rotation axis 10 passes through bearing 9 to be fixed inside bearing box 5, the cover is equipped with bearing housing 6 on the rotation axis 10, bearing 9 is established to the outer lane cover of bearing housing 6, bearing 9 passes through lock nut 7 and lock washer 8 and installs on bearing housing 6, and lock nut 7 and lock washer 8 are used for preventing that bearing 9 is not hard up. The bearing sleeve 6 is sleeved on the rotating shaft 10, and the bearing sleeve 6 is fixed on the rotating shaft 10 through a nut.

Specifically, a hollow coil 4 is arranged in the oil cavity 11, cooling water can be introduced into the hollow coil 4, and the hollow coil 4 is used for cooling lubricating oil in the oil cavity 11; the hollow coil pipe 4 is an integrally formed bent thin-wall hollow coil pipe, the hollow coil pipe 4 can be formed by bending a thin-wall hollow pipe into a coil pipe consisting of a plurality of annular rings through a pipe bending machine or a bending device, the number of the annular rings is determined by the space of the oil cavity 11, and the hollow coil pipe 4 is wound in the oil cavity 11, so that the effective contact area between the hollow coil pipe and lubricating oil is increased; flowing cooling water is introduced into the hollow coil 4, so that lubricating oil in the oil cavity can be directly and rapidly cooled, and the purpose of rapidly cooling the bearing is further achieved.

Specifically, the bearing box 5 is provided with a bearing box lower cover 3, the bearing box lower cover 3 is provided with a cooling water inlet and a cooling water outlet, one end of the hollow coil 4 is communicated with the cooling water inlet, and the other end of the hollow coil 4 is communicated with the cooling water outlet; through processing a cooling water inlet and a cooling water outlet on the lower cover of the bearing box, the hollow coil 4 is arranged in the cavity of the oil cavity 11 and is soaked in lubricating oil, and the hollow coil is communicated with the cooling water to cool the lubricating oil, so that the running temperature of the bearing is reduced.

According to the bearing cooling device provided by the embodiment of the utility model, the bearing box 5 is provided with the bearing box end cover 12 and the bearing box cover 13, the bearing box lower cover 3, the bearing box end cover 12 and the bearing box cover 13 form the bearing box 5, and the bearing box end cover 12 is fixedly connected with the bearing box cover 13 through the nut 14.

According to the bearing cooling device provided by the embodiment of the utility model, the groove is formed between the bearing box end cover 12 and the bearing box cover 13, the bearing 9 is placed in the groove, and the bearing 9 is placed in the groove, so that the bearing 9 is more stable.

According to the bearing cooling device provided by the embodiment of the utility model, the cooling water inlet and the cooling water outlet are both communicated with an external cooling water source.

Example 2:

referring to fig. 1, a bearing cooling apparatus according to an embodiment of the present invention includes a rotating shaft 10, a bearing housing 5, and a bearing 9. Under the ultrahigh temperature working condition, a group of outer side fans can be added for double cooling.

Specifically, have the oil pocket 11 that is used for storing lubricating oil in the bearing box 5, oil pocket 11 is used for providing lubricating oil for bearing 9, rotation axis 10 passes through bearing 9 to be fixed inside bearing box 5, the cover is equipped with bearing housing 6 on the rotation axis 10, bearing 9 is established to the outer lane cover of bearing housing 6, bearing 9 passes through lock nut 7 and lock washer 8 and installs on bearing housing 6, and lock nut 7 and lock washer 8 are used for preventing that bearing 9 is not hard up.

Specifically, a hollow coil 4 is arranged in the oil cavity 11, cooling water can be introduced into the hollow coil 4, and the hollow coil 4 is used for cooling lubricating oil in the oil cavity 11; bearing box 5 has bearing box lower cover 3, have cooling water entry and cooling water export on the bearing box lower cover 3, 4 one ends intercommunication cooling water entry of cavity coil pipe, 4 other ends intercommunication cooling water export of cavity coil pipe. The fan 2 is arranged on the outer side of the lower cover 3 of the bearing box; the fan cover 1 is arranged outside the fan 2, and the fan cover 1 is sleeved on the lower cover 3 of the bearing box.

Lubricating oil is cooled through the hollow coil pipe, and the outer fan is cooled doubly, so that the running temperature of the bearing can be effectively reduced under the working condition of ultrahigh temperature.

According to the bearing cooling device provided by the embodiment of the utility model, a groove is formed between the bearing box end cover 12 and the bearing box cover 13, and the bearing 9 is placed in the groove.

According to the bearing cooling device provided by the embodiment of the utility model, the hollow coil 4 is an integrally formed bent coil, and the hollow coil 4 is a thin-wall hollow coil.

The working principle is as follows: when the bearing works, the hollow coil 4 is filled with cooling water to cool lubricating oil in the oil cavity 11, and the fan 2 is turned on to carry out double cooling, so that the running temperature of the bearing is obviously reduced; when the bearing stops working, the cooling water is turned off and the fan 2 is turned off.

Finally, it should be noted that: 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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. A bearing cooling device is characterized in that: the bearing box comprises a rotating shaft (10), a bearing box (5) and a bearing (9), wherein an oil cavity (11) for storing lubricating oil is formed in the bearing box (5), the oil cavity (11) is used for providing the lubricating oil for the bearing (9), the rotating shaft (10) is fixed in the bearing box (5) through the bearing (9), a bearing sleeve (6) is sleeved on the rotating shaft (10), the bearing (9) is sleeved on an outer ring of the bearing sleeve (6), the bearing (9) is installed on the bearing sleeve (6) through a locking nut (7) and a stop washer (8), and the locking nut (7) and the stop washer (8) are used for preventing the bearing (9) from loosening;

a hollow coil (4) is arranged in the oil cavity (11), cooling water can be introduced into the hollow coil (4), and the hollow coil (4) is used for cooling lubricating oil in the oil cavity (11);

bearing box (5) have bearing box lower cover (3), have cooling water entry and cooling water export on bearing box lower cover (3), cavity coil pipe (4) one end intercommunication cooling water entry, cavity coil pipe (4) other end intercommunication cooling water export.

2. A bearing cooling device according to claim 1, wherein: the fan (2) is arranged on the outer side of the bearing box lower cover (3).

3. A bearing cooling device according to claim 2, wherein: the fan cover (1) is arranged outside the fan (2), and the fan cover (1) is sleeved on the lower cover (3) of the bearing box.

4. A bearing cooling device according to claim 1, wherein: the bearing box (5) is provided with a bearing box end cover (12) and a bearing box cover (13), the bearing box lower cover (3), the bearing box end cover (12) and the bearing box cover (13) form the bearing box (5), and the bearing box end cover (12) is fixedly connected with the bearing box cover (13) through a nut (14).

5. A bearing cooling arrangement according to claim 4, wherein: a groove is formed between the bearing box end cover (12) and the bearing box cover (13), and the bearing (9) is placed in the groove.

6. A bearing cooling device according to claim 1, wherein: and the cooling water inlet and the cooling water outlet are both communicated with an external cooling water source.

7. A bearing cooling device according to claim 1, wherein: the hollow coil (4) is an integrally formed bent coil, and the hollow coil (4) is a thin-wall hollow coil.