CN219549403U - Oil-cooled bearing pedestal - Google Patents

Abstract

The utility model relates to the technical field of bearing seats, in particular to an oil cooling bearing seat which comprises a first seat body, a second seat body, a bearing and an oil seal, wherein the first seat body and the second seat body are of split structures capable of being spliced, a through hole is formed in the connecting sides of the first seat body and the second seat body after the first seat body and the second seat body are spliced, the through hole is used for installing a rotating shaft, an inner cavity is formed in the through hole after the rotating shaft penetrates through the through hole, the oil seal is arranged on the two outer sides of the inner cavity, an oil inlet hole and an oil outlet hole which are communicated with the inner cavity are respectively formed in the first seat body and the second seat body, the bearing is further arranged in the inner cavity, the bearing comprises a fixed part and a movable part, a rolling connecting part is arranged between the fixed part and the movable part, the fixed part is connected with the first seat body and the second seat body, the movable part is connected with the rotating shaft, and a spiral blade is arranged on the movable part. The utility model is helpful for solving the problem that the existing structure is easy to cause accumulation of lubricating oil in dead angle areas and insufficient in fluidity.

Description

Oil-cooled bearing pedestal

Technical Field

The utility model relates to the technical field of bearing seats, in particular to an oil-cooled bearing seat.

Background

Bearings rotating at high speeds typically require cooling, one way of which is to cool the bearing housing by a cooling cycle of lubricating oil. In the prior art, for the cooling bearing through lubricating oil, the bearing is usually designed in a closed way, so that lubricating oil is prevented from flowing out of the bearing seat, an oil inlet pipeline and an oil outlet pipeline are generally arranged in the bearing seat, and the lubricating oil subjected to circulating cooling needs to be pumped into the bearing seat by a high-pressure oil pump through the oil inlet pipeline and then is output from the oil outlet pipeline, so that heat on the bearing is taken away in the process. However, in the actual use process, the applicant finds that most of oil-cooled bearing seats on the market at present have a bearing seat structure as shown in chinese patent CN212615966U, the structure of the sealed space inside the bearing seat for accommodating cooling lubricating oil is relatively simple, and in the actual use process, dead angles are easily generated in local areas, so that part of lubricating oil is accumulated, the fluidity is insufficient, heat exchange and heat dissipation cannot be fully performed, and the bearing is possibly blocked after accumulation of fine impurities.

Disclosure of Invention

The utility model aims to provide an oil-cooled bearing seat, which is beneficial to solving the problem that the existing structure is easy to cause accumulation of lubricating oil in an inner dead angle area and causes insufficient fluidity.

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

the utility model provides an oil cooling bearing frame, includes first pedestal, second pedestal, bearing and oil blanket, first pedestal and second pedestal are split structure that can splice, and both connecting sides form a through-hole after the amalgamation, the through-hole is used for installing the pivot, the through-hole is inside to wear to establish the back in the pivot has an inner chamber, the two outsides of inner chamber are equipped with the oil blanket, be equipped with inlet port and the oil outlet with the inner chamber intercommunication on first pedestal and the second pedestal respectively, the intracavity still is equipped with the bearing, the bearing includes mounting and moving part, be equipped with rolling connection spare between mounting and the moving part, the mounting is connected with first pedestal and second pedestal, the moving part is connected with the pivot, be equipped with helical blade on the moving part.

On the basis of the technical scheme, the outer side end openings of the oil inlet and the oil outlet are respectively arranged on the side walls of the first seat body and the second seat body.

On the basis of the technical scheme, the spiral blades are circumferentially and uniformly arranged on the side wall of the movable piece.

On the basis of the technical scheme, the side walls on two sides of the movable piece are provided with the spiral blades, the spiral blades on two sides are opposite in rotation direction, and the same-direction rotation path can be formed after synchronous rotation.

On the basis of the technical scheme, the movable piece side wall is provided with the base, the spiral blade is fixedly arranged on the outer side of the base, and the base is connected with the movable piece side wall through the detachable structure.

Compared with the prior art, the utility model at least comprises the following advantages:

according to the utility model, the spiral blades are arranged on the side wall of the bearing movable part, so that when the rotating shaft rotates at a high speed, vortex driving force generated by rotation of the spiral blades can be utilized, lubricating oil in the inner cavity is enabled to kick, lubricating oil in each area of the inner cavity can be helped to flow fully, dead angle areas are reduced, and further the heat dissipation and heat exchange effects of the lubricating oil can be improved.

Drawings

Fig. 1 is a schematic perspective view of an oil-cooled bearing seat according to an embodiment:

FIG. 2 is a sectional view of the assembled structure of the oil-cooled bearing housing of FIG. 1;

FIG. 3 is a schematic view of the movable body and the helical blade in FIG. 2;

FIG. 4 is a schematic view of a movable body and a helical blade according to another embodiment.

The drawing is marked: 1. a first base; 2. a second seat body; 3. a through hole; 4. a bearing; 41. a fixing member; 42. a movable member; 43. a base; 5. a rotating shaft; 61. an oil inlet hole; 62. an oil outlet hole; 7. an oil seal; 8. an inner cavity; 9. helical blades.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the following detailed description is given with reference to the accompanying drawings and the detailed description. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the utility model, which is therefore not limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "mounted" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Example 1:

as shown in fig. 1 to 3, the embodiment discloses an oil-cooled bearing seat, which comprises a first seat body 1, a second seat body 2, a bearing 4 and an oil seal 7, wherein the first seat body 1 and the second seat body 2 are used for fixing the bearing 4, the bearing 4 is used for connecting a rotating shaft 5, dynamic and static conversion is carried out between the rotating shaft 5 and the first seat body 1 and the second seat body 2, the oil seal 7 is used for sealing an inner space, the sealing effect is ensured, and the leakage phenomenon of internal lubricating oil can not occur.

Further, the first seat body 1 and the second seat body 2 are split structures capable of being spliced, a through hole 3 is formed in the connecting sides of the first seat body 1 and the second seat body after the split structures are spliced, the through hole 3 is used for installing the rotating shaft 5, an inner cavity 8 is formed in the through hole 3 after the rotating shaft 5 is arranged in a penetrating mode, an oil seal 7 is arranged on two outer sides of the inner cavity 8, the oil seal 7 is made of nitrile rubber materials, the inner cavity 8 can be sealed to form a sealed cavity, an oil inlet hole 61 and an oil outlet hole 62 which are communicated with the inner cavity 8 are formed in the first seat body 1 and the second seat body 2 respectively, the oil inlet hole 61 and the oil outlet hole 62 are connected with an external oil bin and a hydraulic pump through pipelines, a complete circulating oil way is formed, and lubricating oil can take out high temperature of the inner cavity 8 in the circulating process, so that an oil cooling effect is achieved.

Still be equipped with bearing 4 in the inner chamber 8, bearing 4 includes mounting 41 and moving part 42, be equipped with the roll connection spare between mounting 41 and the moving part 42, roll connection spare in this embodiment adopts the ball, in other embodiments, still can adopt structures such as roller, mounting 41 and first pedestal 1 and the fixed joint of second pedestal 2, moving part 42 and pivot 5 fixed joint, moving part 42 can follow pivot 5 rotation.

Further, referring to fig. 2 and fig. 3, the movable member 42 is provided with spiral blades 9, and the side walls on two sides of the movable member 42 are uniformly provided with the spiral blades 9 in a circumferential distribution, and the spiral blades 9 on two sides rotate in opposite directions, so that a same-direction rotation path can be formed after synchronous rotation. In the specific implementation process, when the rotating shaft 5 drives the movable piece 42 to rotate at a high speed, the helical blades 9 also rotate at a high speed, and a vortex driving force is formed in the inner cavity 8, so that lubricating oil in the inner cavity 8 can be stirred, and the lubricating oil in the inner cavity 8 can flow and circulate fully, which is helpful for avoiding the situation that dead angle areas exist in the inner cavity 8, so that part of the lubricating oil has poor flowability, the heat dissipation effect is affected, and the blocking is caused by easily accumulating impurities. On the other hand, the spiral blade 9 essentially expands the volume of the movable piece 42, and because of the fixed connection of the two, heat on the movable piece 42 can be directly and quickly conducted to the spiral blade 9, and the high-speed rotation of the spiral blade 9 can accelerate the contact with lubricating oil and conduct quick heat conduction and heat dissipation, so that the heat dissipation efficiency can be improved.

In order to facilitate the installation and maintenance of the pipeline, the outer side openings of the oil inlet hole 61 and the oil outlet hole 62 are respectively disposed on the side walls of the first seat 1 and the second seat 2.

Example 2:

on the basis of embodiment 1, be equipped with base 43 on the movable part 42 lateral wall, helical blade 9 sets firmly in the base 43 outside, base 43 is connected through detachable construction with movable part 42 lateral wall, specifically, is equipped with the counter bore on the base 43 in this embodiment, is equipped with the screw hole with counter bore one-to-one on the movable part 42 lateral wall, and both cooperate for install the bolt for base 43 can carry out repeated dismouting. The structure is favorable for maintenance and replacement of the spiral blade 9, and the spiral blade 9 on the same side is integrally designed, so that the disassembly and assembly operations can be synchronously carried out.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (5)

1. The utility model provides an oil cooling bearing frame, its characterized in that, including first pedestal (1), second pedestal (2), bearing (4) and oil blanket (7), first pedestal (1) and second pedestal (2) are split structure that can splice, and both connection sides form a through-hole (3) after the amalgamation, through-hole (3) are used for installing pivot (5), inside cavity (8) have in pivot (5) wearing to establish of through-hole (3), two outsides of cavity (8) are equipped with oil blanket (7), be equipped with inlet port (61) and oil outlet (62) with cavity (8) intercommunication on first pedestal (1) and second pedestal (2) respectively, still be equipped with bearing (4) in cavity (8), bearing (4) are equipped with rolling connection spare between mounting (41) and moving part (42), mounting (41) and first pedestal (1) and second pedestal (2) are connected, moving part (42) are equipped with spiral blade (5) on the pivot (9).

2. An oil cooling bearing seat according to claim 1, wherein the outer side end openings of the oil inlet hole (61) and the oil outlet hole (62) are respectively arranged on the side walls of the first seat body (1) and the second seat body (2).

3. An oil cooled bearing housing according to claim 1, wherein the helical blades (9) are circumferentially and evenly disposed on the side wall of the movable member (42).

4. An oil cooled bearing housing according to claim 1 or 3, wherein the side walls of the two sides of the movable member (42) are provided with helical blades (9), and the helical blades (9) on the two sides are rotated in opposite directions, so that a same-direction rotation path can be formed after synchronous rotation.

5. An oil cooling bearing seat according to claim 1, characterized in that a base (43) is arranged on the side wall of the movable piece (42), the spiral blade (9) is fixedly arranged on the outer side of the base (43), and the base (43) is connected with the side wall of the movable piece (42) through a detachable structure.