CN202381549U - Bearing pedestal used for heat dissipation of rolling bearing - Google Patents
Bearing pedestal used for heat dissipation of rolling bearing Download PDFInfo
- Publication number
- CN202381549U CN202381549U CN2011205477964U CN201120547796U CN202381549U CN 202381549 U CN202381549 U CN 202381549U CN 2011205477964 U CN2011205477964 U CN 2011205477964U CN 201120547796 U CN201120547796 U CN 201120547796U CN 202381549 U CN202381549 U CN 202381549U
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- Prior art keywords
- bearing
- radiating groove
- bearing hole
- pedestal
- oil
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Abstract
The utility model discloses a bearing pedestal used for heat dissipation of a rolling bearing. The bearing pedestal includes a pedestal body, a bearing hole is arranged in the pedestal body and is defined in the front and back direction, cooperation sections extending in the front and back direction and used for corresponding close fit with the outer cylindrical surface of a bearing outer ring during the use are arranged on the inner wall surface of the bearing hole, at least two cooperation sections of the bearing hole are distributed in the front and back direction, heat dissipation grooves used for allowing cooling fluid to pass through are arranged between the two adjacent cooperation sections on the inner wall surface of the bearing hole, and a fluid flow-in channel and a fluid flow-out channel communicated with the heat dissipation grooves are further formed in the bearing pedestal. The bearing pedestal used for heat dissipation, which is provided by the utility model, is convenient to use, the cooling and heat dissipation operations are performed on the rolling bearing through continuously and circularly inputting the low-temperature cooling liquid and outputting the high-temperature cooling liquid in the cooling pipeline formed by the heat dissipation grooves and the bearing outer ring, and the work environment of the rolling bearing is improved.
Description
Technical field
The utility model belongs to bearing heat dissipation technology field, is specifically related to a kind of heat transmission bearing support of high-speed overload rolling bearing.
Background technique
Rolling bearing can produce great amount of heat owing to rub in operation process, in conventional design, these heats can distribute to the external world through the circulation of lubricant oil (fat) and the transmission of heat of bearing support, thereby guarantees rolling bearing proper functioning under allowable temperature.The big and running speed higher (near the reference rotation velocity or the limit speed of bearing) or when being in wherein a kind of operating mode when load that rolling bearing bore; Bearing is because the sharply increase of fricative heat; Only depend on the circulation of lubricant oil (fat) and the conduction of heat of bearing support in time not to distribute the heat that bearing produces; Thereby the temperature that makes bearing continues to raise; Finally cause the inefficacy of oiling agent and the damage of bearing, and cause the entire equipment cisco unity malfunction or serious accident takes place.At present; The high-speed overload bearing big load and high rotating speed applying working condition down usually the employing axial-flow blower to the bearing support forced heat radiation of drying; But the radiating effect of this method has significant limitation; Also increased the complexity of design cost and structure, for the component of compact structure, the design of this air cooling effect can't realize simultaneously.
The model utility content
The purpose of the utility model is to provide a kind of rolling bearing heat transmission bearing support, to solve the bad technical problem of rolling bearing radiating effect of the prior art.
For realizing above-mentioned purpose; The utility model provides rolling bearing heat transmission bearing support to adopt following technological scheme: a kind of rolling bearing heat transmission bearing support; Comprise pedestal; Pedestal is provided with bearing hole; With bearing hole axially be defined as fore-and-aft direction, have on the internal face of bearing hole and be used for corresponding friction tight cooperation section of extending when using along fore-and-aft direction with the outer cylinder surface of bearing outer ring, the cooperation section of described bearing hole is distributed with two at least along fore-and-aft direction; Be used for the but radiating groove that flows through of fluid of cooling cooperating to be provided with between the section in adjacent two on the internal face of bearing hole, on bearing support, also offer the fluid input channel and the fluid output channel that are connected with radiating groove.
Described radiating groove is along the loop configuration of the extending circumferentially of bearing hole, and the radiating groove of loop configuration is distributed with a plurality of along fore-and-aft direction.
Be provided with along the last axial connectivity slot that is communicated with said fluid input channel in the bearing hole top on the described bearing support along the fore-and-aft direction extension; On bearing support, be provided with the following axial connectivity slot that is communicated with said fluid output channel that extends along fore-and-aft direction in the bearing hole bottom; Described axial connectivity slot is connected with the radiating groove of said each loop configuration, and described axial connectivity slot down is connected with the radiating groove of said each loop configuration.
Described radiating groove is the axially extended helical structure along bearing hole.
The cross section of described radiating groove is rectangular or semicircle.
The beneficial effect of the utility model is: the rolling bearing heat transmission bearing support that the utility model provided; Be used for the but radiating groove that flows through of fluid of cooling between two adjacent cooperation sections, being provided with on the internal face of the bearing hole of pedestal; And also offer the fluid input channel and the fluid output channel that are connected with radiating groove on the bearing support; Like this when using; Form cooling pipe by radiating groove on the bearing support and bearing outer ring outer cylinder surface, in cooling pipe, import cooling fluid through the fluid input channel, cooling fluid flows from the fluid output channel through cooling pipe; During through chilled fluid flow supercooling pipeline and the heat exchange of bearing outer ring take away rolling bearing because of fricative a large amount of heats, realize cooling to rolling bearing.The sink good cooling results that the utility model provided, easy to use, be specially adapted to rolling bearing and be in cooling under the high-speed overload operating mode, can effectively improve the working environment of rolling bearing.
Description of drawings
Fig. 1 is a kind of embodiment's of rolling bearing heat transmission bearing support of providing of the utility model a structural representation;
Fig. 2 is a B-B place sectional view among Fig. 1;
Structural representation when Fig. 3 is the bearing support use among Fig. 1;
Fig. 4 is an A-A place sectional view among Fig. 3;
(arrow among Fig. 3, Fig. 4 is depicted as the flow direction of cold oil).
Embodiment
Like Fig. 1, Fig. 2, Fig. 3, shown in Figure 4; A kind of rolling bearing heat transmission bearing support embodiment; Bearing support 200 among this embodiment comprises pedestal, and pedestal is provided with bearing hole, and bearing hole axially is defined as fore-and-aft direction; Have on the internal face of bearing hole and be used for corresponding friction tight cooperation section 300 of extending when using along fore-and-aft direction with the outer cylinder surface of bearing outer ring; The cooperation section of the bearing hole in the present embodiment is distributed with two along front and back, two of bearing hole cooperate section to correspond respectively to the front end and back end of bearing outer ring during use, is used to the radiating groove 10 that supplies cold oil to flow through cooperating to be provided with between the section in adjacent two on the internal face of bearing hole; This radiating groove 10 is along the loop configuration of the extending circumferentially of bearing hole; The radiating groove of loop configuration is distributed with a plurality of along fore-and-aft direction, the cross section of the radiating groove here is rectangular, during use; The radiating groove of these loop configuration matches with the outer ring of bearing and surrounds cooling pipe 100, thus when cold oil flows through from cooling pipe and bearing outer ring carry out heat exchange take away rolling bearing because of rolling friction produce a large amount of heats.Be positioned on the pedestal of bearing support 200 the bearing hole top be provided with extend along fore-and-aft direction on axial connectivity slot 9; Go up the radiating groove 10 that axial connectivity slot 9 is communicated with each loop configuration; On the pedestal of bearing support 200, be provided with along the following axial connectivity slot 17 of fore-and-aft direction extension in the bottom of bearing hole; Down axial connectivity slot 17 is communicated with the radiating groove 10 of each loop configuration; On bearing support 200, also be provided with cold oil input channel 8 and cold oil output channel; Shown in figure, cold oil input channel 8 is the vertical pipeline structure that is communicated with last axial connectivity slot, and the cold oil output channel comprises and is located at the vertical pipeline 16 that is connected with described axial connectivity slot down of bearing support bottom and the lateral duct 18 of connection vertical pipeline and extraneous oil circuit.
In the present embodiment; On the pedestal of bearing support 200, be provided with rear side and be used for lubricating structure that bearing roller is lubricated in the said front side that cooperates section; This lubricating structure comprises the lubricant oil input channel 30 and lubricant oil output channel 15 that is connected with bearing hole; In lubricant oil input channel 30, be provided with and spray oil pipe 11; An end that sprays oil pipe 11 is equipped with the oil nozzle 13 that is used in use to the roller jet lubrication oil of bearing, and described lubricant oil output channel 15 is communicated with the lateral duct 18 of said cold oil output channel.
During use; Configuring external circulating oil path 4 on bearing support; The output terminal 6 of outer loop oil circuit 4 is communicated with cold oil input channel 8 and lubricant oil input channel 30 through being arranged on the outer oil separator 7 of bearing support, and 19 of the input ends of outer loop oil circuit 4 are connected with the horizontal pipeline 18 of cold oil output channel.Externally be serially connected with fuel tank 1 and oil pump 5 on the circulating oil path 4, externally between input end 19 and fuel tank 1, also be serially connected with the heat exchanger 2 of the high temperature oil cooling that is used for exporting from the cold oil output channel on the circulating oil path 4.
During use; When in the bearing hole of bearing support 200 that main shaft 14 is packed into together with rolling bearing 12; Form cooling pipe 100 by radiating groove on the bearing support 200 and bearing outer ring; Oil pump 5 is delivered to oil separator 7 positions to cooling/lubricant oil 3 sucking-off from fuel tank 1 through outer loop oil circuit 4, and cooling/lubricant oil is divided into two-way behind oil separator:
(1) cooling oil circuit
Cold oil is after 8 entering of cold oil input channel are gone up in the axial connectivity slot 9; Divided and flow in several radiating grooves 10; These radiating grooves and bearing outer ring constitute the cooling pipe 100 of sealing; Realize heat exchange with bearing outer ring when cold oil flows in cooling pipe, thereby take away a large amount of heats of bearing, play the effect that reduces bearing temperature.Cold oil enters into down in the axial connectivity slot 17 after cooling pipe reaches the bearing bottom, gets into outer loop oil circuit 4 through the cold oil output channel again.
(2) lubricating oil path
Lubricant oil is ejected on the roller through the injection oil pipe 11 in the lubricant oil input channel 30; Roller and raceway to bearing plays lubricated and cooling effect on the one hand; Lubricant oil contacts with the direct of raceway to avoid bearing roller at surface of friction pair formation oil film on the other hand; Reduce friction factor, flow of lubricant after in the lateral duct 18 that lubricant oil output channel 15 imports in the cold oil output channels, and finally gets into outer loop oil circuit 4 to the bottom of bearing support.
Cold oil and lubricant oil are after the lateral duct 18 of cold oil output channel gets into outer loop oil circuit 4; After heat exchanger 2 coolings, become low temperature oil and get into fuel tank 1; Low temperature oil in the fuel tank 1 is pumped to cold oil input channel 8 and lubricant oil input channel 30 by oil pump 5 through the outer loop oil circuit; Low temperature oil gets in the said cooling pipe 100 rolling bearing 12 is carried out cooling heat dissipation, and simultaneously, low temperature oil is injected on the roller of rolling bearing 12 through spraying oil pipe 11; Low temperature oil becomes high temperature oil and flows back to fuel tank 1 more again then, and what move in circles carries out cooling heat dissipation and lubricated to bearing.
When using, adopts the bearing support that is provided in the foregoing description heat change method; Utilize circuit cold oil and lubricant oil in the cooling pipe that the radiating groove of bearing support and bearing outer ring constitute, to flow and take away rolling bearing, and dispel the heat to the external world through heat exchanger because of fricative heat.Cold oil temperature on the flow velocity of the length of sectional shape through offering the different radiating groove and size, radiating groove, adjustment cold oil and the turnover bearing support on the cooling pipe is kept the normal working temperature of bearing under different operating modes, thereby guarantees the normal operation of bearing under the high-speed overload operating mode.
In the foregoing description; Radiating groove is along the loop configuration of the extending circumferentially of bearing hole, and the radiating groove of loop configuration is distributed with a plurality of in bearing hole along fore-and-aft direction, and each radiating groove is connected through last axial connectivity slot and following axial connectivity slot; Make each radiating groove be in parallelly connected state; Cold oil can flow through each radiating groove, and the cooling oil mass that flows into like this in the radiating groove is more, has increased the heat exchange amount of cold oil and bearing outer ring.In other embodiments; Radiating groove also can adopt other structures; Be axially extended helical structure like employing along bearing hole; An axial end of this spirality radiating groove is communicated with the cold oil input channel, its axial the other end is connected with the cold oil output channel, at this moment, axial connectivity slot and following axial connectivity slot is not set.When radiating groove adopted helical structure, the cold oil flow that gets into bearing support can reduce, but because prolonged the flow path of cold oil, had increased the heat exchanger time of cold oil and bearing outer ring, can reach the effect that reduces the bearing working temperature equally.
In the above-described embodiments, reaching down through last axial connectivity slot, axial connectivity slot in other embodiments, also can not be connected the radiating groove connection of each loop configuration, and each radiating groove directly is communicated with cold oil input channel and cold oil output channel.
The cross section of the radiating groove in the foregoing description is rectangular, and in other embodiments, other structure also can be adopted in the cross section of radiating groove, like semicircle or triangular structure.
On the internal face of the bearing hole of the bearing support in the foregoing description two cooperates section to cooperate with the rear and front end portion of bearing outer ring respectively; In other embodiments; Cooperation section on the internal face of the bearing hole of bearing support can all be provided with radiating groove for more than two sections between every two adjacent cooperation sections.
In the above-described embodiments, because the consumption of the consumption of cold oil and lubricant oil differs bigger, so adopt oil separator.In other embodiments; Also can not select oil separator for use; And have the input end of outer loop oil circuit to be communicated with cold oil input channel and lubricant oil input channel through different flow control valves; Thereby realize control, guarantee rolling bearing cooling heat dissipation and lubrication effect to cold oil and flow rate of lubricating oil flow velocity.
In the above-described embodiments, preferred, be respectively arranged with lubricant oil input channel and lubricant oil output channel in the front and back side of the cooperation section of bearing hole.In other embodiments, also can only lubricant oil input channel and lubricant oil output channel be set at the front side or the rear side that cooperate section.
Claims (5)
1. rolling bearing heat transmission bearing support; Comprise pedestal; Pedestal is provided with bearing hole; With bearing hole axially be defined as fore-and-aft direction, have on the internal face of bearing hole and be used for corresponding friction tight cooperation section of extending when using along fore-and-aft direction with the outer cylinder surface of bearing outer ring, it is characterized in that: the cooperation section of described bearing hole is distributed with two at least along fore-and-aft direction; Be used for the but radiating groove that flows through of fluid of cooling cooperating to be provided with between the section in adjacent two on the internal face of bearing hole, on bearing support, also offer the fluid input channel and the fluid output channel that are connected with radiating groove.
2. rolling bearing heat transmission bearing support according to claim 1 is characterized in that: described radiating groove is along the loop configuration of the extending circumferentially of bearing hole, and the radiating groove of loop configuration is distributed with a plurality of along fore-and-aft direction.
3. rolling bearing heat transmission bearing support according to claim 2; It is characterized in that: be provided with along the last axial connectivity slot that is communicated with said fluid input channel in the bearing hole top on the described pedestal along the fore-and-aft direction extension; On pedestal, be provided with the following axial connectivity slot that is communicated with said fluid output channel that extends along fore-and-aft direction in the bearing hole bottom; Described axial connectivity slot is connected with the radiating groove of said each loop configuration, and described axial connectivity slot down is connected with the radiating groove of said each loop configuration.
4. rolling bearing heat transmission bearing support according to claim 1 is characterized in that: described radiating groove is the axially extended helical structure along bearing hole.
5. rolling bearing heat transmission bearing support according to claim 1, it is characterized in that: the cross section of described radiating groove is rectangular or semicircle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205477964U CN202381549U (en) | 2011-12-24 | 2011-12-24 | Bearing pedestal used for heat dissipation of rolling bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205477964U CN202381549U (en) | 2011-12-24 | 2011-12-24 | Bearing pedestal used for heat dissipation of rolling bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202381549U true CN202381549U (en) | 2012-08-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205477964U Expired - Fee Related CN202381549U (en) | 2011-12-24 | 2011-12-24 | Bearing pedestal used for heat dissipation of rolling bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202381549U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678764A (en) * | 2011-12-24 | 2012-09-19 | 河南科技大学 | Bearing seat for heat dissipation of rolling bearing |
| CN104139320A (en) * | 2014-07-04 | 2014-11-12 | 南京理工大学 | Device for cooling angular contact ball bearing of feed system |
| CN107289029A (en) * | 2017-07-25 | 2017-10-24 | 江苏大学 | A kind of high temperature pump bearing box with augmentation of heat transfer structure |
| CN111911538A (en) * | 2020-06-16 | 2020-11-10 | 西安航天动力研究所 | Bearing seat structure with cooling inner flow channel for turbo pump |
-
2011
- 2011-12-24 CN CN2011205477964U patent/CN202381549U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678764A (en) * | 2011-12-24 | 2012-09-19 | 河南科技大学 | Bearing seat for heat dissipation of rolling bearing |
| CN104139320A (en) * | 2014-07-04 | 2014-11-12 | 南京理工大学 | Device for cooling angular contact ball bearing of feed system |
| CN107289029A (en) * | 2017-07-25 | 2017-10-24 | 江苏大学 | A kind of high temperature pump bearing box with augmentation of heat transfer structure |
| CN111911538A (en) * | 2020-06-16 | 2020-11-10 | 西安航天动力研究所 | Bearing seat structure with cooling inner flow channel for turbo pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20151224 |
|
| EXPY | Termination of patent right or utility model |