CN201661615U - Cooling structure of sliding bearing - Google Patents
Cooling structure of sliding bearing Download PDFInfo
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- CN201661615U CN201661615U CN201020145279XU CN201020145279U CN201661615U CN 201661615 U CN201661615 U CN 201661615U CN 201020145279X U CN201020145279X U CN 201020145279XU CN 201020145279 U CN201020145279 U CN 201020145279U CN 201661615 U CN201661615 U CN 201661615U
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- sliding bearing
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- heat pipe
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Abstract
The utility model relates to a cooling structure of a sliding bearing, which is characterized by comprising one or more tubular heat pipes and connecting and fixing parts. A heat pipe radiator is connected with the sliding bearing and can perform heat exchange with the sliding bearing. Each heat pipe comprises a pipe shell, an imbibition core on the inner wall of the pipe shell and working medium which is in the pipe shell and is used for transmitting heat energy. The heat pipe is divided into a condensation section, a heat insulation section and an evaporation section, wherein the evaporation section absorbs the heat energy of the sliding bearing, and the condensation section is exposed outside the sliding bearing and releases heat energy to the outside. In the utility model, the heat pipe radiator is fixed on the sliding bearing in the ways of threaded connection, direct insertion, flange connection, plate-type pressing and the like, thereby the radiating capability of the sliding bearing per se is improved, radiating upon exterior power can be avoided or reduced, the operation cost is reduced, and the resource is saved. When an exterior power system can not normally operate due to failure, the utility model provides proper protection for the sliding bearing, and reduces the dependence of the cooling system of the sliding bearing on the exterior power.
Description
Technical field
The utility model relates to the sliding bearing technical field, the concrete cooling structure that relates to a kind of sliding bearing, and this cooling structure can effectively reduce the operating temperature of sliding bearing, thereby has improved the usability of sliding bearing main frame.
Background technique
Sliding bearing mechanically is widely used various as basic component, present sliding bearing, and following several type of cooling is generally arranged: natural cooling, forced air cooling, water cooling, pressure lubrication oil cooling but wait.Air-cooled, water-cooled, pressure lubrication oil cooling but need to provide extrinsic motive, and after extrinsic motive broke down, bearing can not normally use, and complex structure, and fault is many, the operation expense height.Natural cooling efficient is not high, and along with the increase of diameter or rotating speed, natural cooling more and more can not satisfy the needs of sliding bearing heat radiation.Generally, radiating fin is set structurally, makes the exterior appearance degree of sliding bearing be affected in order to improve heat dissipation potential.
From three kinds of modes (radiation, convection current, conduction) of heat transmission, wherein transmission of heat is the fastest.Heat-pipe technology utilizes the Rapid Thermal hereditary property of heat-conduction principle and refrigerant, and the phase transformation by heat pipe self internal working medium is delivered to the heat of thermal objects outside the thermal source rapidly.Heat-pipe technology is widely used in industries such as aerospace, military project the earliest, after be introduced into the radiator manufacturing.Heat pipe has high thermal conductivity, and its capacity of heat transmission surpasses the capacity of heat transmission of any known metal.Heat pipe has the density of heat flow rate variability, heat pipe can independently change the heating area of evaporator section or cooling section, promptly with less heating area input heat, and with bigger film-cooled heat quantity of heat given up, the heat transfer area input heat that perhaps heat pipe can be bigger, and with less film-cooled heat quantity of heat given up.Heat pipe also has thermostatic characteristics, and the each several part thermal resistance of general heat pipe does not change with the variation that adds heat basically, and therefore when the heating quantitative change, the temperature of heat pipe each several part also changes thereupon.
The user needs a kind of unpowered heat radiating device efficiently, improves the heat dissipation potential of sliding bearing self.For the motor user, what perplexing them is that self-lubricating plain bearing can only be in 90mm diameter and following use all the time, and has occurred unsettled phenomenon during the 90mm diameter.
The model utility content
Technical problem to be solved in the utility model is, overcomes problems of the prior art, and a kind of cooling structure of sliding bearing is provided.Be about to heat-pipe radiator and be applied on the sliding bearing, the heat of sliding bearing carries out heat exchange by the heat-pipe radiator and the external world, guarantees that the sliding bearing operating temperature is within the scope of permission.
In order to address the above problem the technical solution of the utility model is such:
A kind of cooling structure of sliding bearing is characterized in that, comprises one or several tubular heat pipes and is connected and fixed part, and described heat pipe is connected in sliding bearing and can carries out heat exchange with sliding bearing; Heat pipe comprises imbibition core and the interior working medium that is used for transferring heat energy of shell on shell, the inner wall of tube shell; Heat pipe is divided into three sections of condensating sections, adiabatic section, evaporator section, and evaporator section absorbs the sliding bearing heat, and condensating section exposes the outside and outside release heat at sliding bearing.
The condensating section position of described heat pipe is higher than evaporator section, so that reflux behind the vapor condensation.
Described heat pipe is the wherein a kind of of cross section circular pipe, cross section oval pipe, cross section square tube, cross section rectangular tube, cross section pancake pipe, bellows.
The condensating section of described heat pipe, adiabatic section, evaporator section are formed by the wherein one or more combination of cross section circular pipe, cross section oval pipe, cross section square tube, cross section rectangular tube, cross section pancake pipe, bellows.
The condensating section of described heat pipe, evaporator section can be light pipes, also can be for having the pipe of fin; Evaporator section, condensating section can be that the one or more combination of shapes such as straight line shape, ring, back-shaped, triangle, quadrilateral, polygonal forms.
Described heat pipe connects sliding bearing in the mode of inserting, and evaporator section inserts sliding bearing, and condensating section exposes in the sliding bearing outside, and concrete heat-pipe radiator directly inserts or is connected in sliding bearing by inserting link.
Described heat pipe connects sliding bearing by flange, and evaporator section inserts sliding bearing, and condensating section exposes in the sliding bearing outside; Promptly in the heat pipe adiabatic section flanged plate is set, described flanged plate is connected by bolt on the bearing support of sliding bearing, is provided with seal washer between flanged plate and the bearing support.
Described heat pipe is by the sliding bearing that is threaded, and evaporator section inserts sliding bearing, and condensating section exposes in the sliding bearing outside; Be that the heat pipe adiabatic section is provided with threaded connector, described threaded connector is provided with outside thread, and the bearing support of sliding bearing is provided with tapped hole, in the interior threaded hole on the threaded connector screw-in bearing support.
Described heat-pipe radiator is close on the sliding bearing by heat absorption plate, and promptly evaporator section is close on the sliding bearing by heat absorption plate, and condensating section is provided with radiating fin.
Beneficial effect, the utility model by be threaded, directly insert, flange connects, board-like form such as be adjacent to, heat-pipe radiator is fixed on the heat dissipation potential that has improved sliding bearing self on the sliding bearing, can avoid or reduce dispelling the heat by external impetus, reduce operating cost, economize on resources.Externally power system hinders in the time of can not normally moving for some reason, for sliding bearing provides suitable protection, has improved the safety in utilization of sliding bearing, has reduced the sliding bearing cooling system to powered attendant-controlled wheelchairs dependence.
Description of drawings
Describe the utility model in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is an inside heat pipe structural representation described in the utility model.
Fig. 2 is the structural representation that heat pipe described in the utility model inserts seat formula sliding bearing.
Fig. 3 is the structural representation that heat pipe described in the utility model inserts the end cover type sliding bearing.
Fig. 4 is heat pipe described in the utility model connects present formula sliding bearing by flange a structural representation.
Fig. 5 is connected the structural representation of end cover type sliding bearing by flange for heat pipe described in the utility model.
Fig. 6 is the structural representation of heat pipe described in the utility model by the present formula sliding bearing that is threaded.
Fig. 7 is that heat pipe described in the utility model is by being threaded in the structural representation of end cover type sliding bearing.
Fig. 8 is close to the structural representation of present formula sliding bearing by heat absorption plate for heat-pipe radiator described in the utility model.
Fig. 9 is close to the structural representation of end cover type sliding bearing by heat absorption plate for heat-pipe radiator described in the utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1
Heat pipe is made up of the liquid refrigerant of shell, imbibition core and transferring heat energy, and inside heat pipe is pumped into negative pressure state, charges into suitable liquid, and this boiling point of liquid is low, easily volatilization.Tube wall is provided with the imbibition core, and the imbibition core is made of the capillary porous material, and tube core can be opened axial slot.Heat pipe is divided into three sections vertically, i.e. condensating section 11, adiabatic section 12 and evaporator section 13.For the protection heat pipe is not damaged, condensating section is outer can be provided with protective housing.
The material of heat pipe package can be: copper, aluminium, steel and various alloys etc.Pipe can be a standard circular, also can be special-shaped, as ellipse, square, rectangle, pancake, bellows etc.The evaporator section of heat pipe, condensating section can be helical bucklings such as straight line shape or circular, back-shaped, triangle, quadrilateral, polygonal, can be that light pipe also can be the band fin tube, can increase the area of contact of evaporator section and thermal source like this, increase the condensating section heat diffusion area, be convenient to heat and transmit fast.Condensating section is higher than evaporator section, and condensating section makes progress, or the spiral rising, or the straight line rising, or the curve rising, is convenient to be back to evaporator section behind the vapor condensation, realizes circulating.
Heat exchange is carried out in the hot-zone that the evaporator section 13 of heat pipe is arranged on sliding bearing as required.Heat pipe can be arranged on the bearing hot-zone from the different azimuth of bearing, and as the place ahead, rear, left side side, right side side, top, below etc., heat pipe is arranged on the hot-zone in a different manner, as be threaded, directly insert, flange connects, board-like form such as be adjacent to.The hot-zone comprises oil sump, bearing shell matrix, bearing support, bearing support wall, bearing support gusset etc., what the sliding bearing temperature was the highest is bearing shell, next is the temperature of lubricant oil, the evaporator section of heat pipe is directly inserted in the bearing shell matrix of sliding bearing or in the oil sump, the radiating efficiency of sliding bearing is higher.Outside the condensating section 11 projecting shaft bearings.The heat of bearing hot-zone passes to working medium by evaporator section 13 tube walls, imbibition core, working medium vaporization, heat transferred steam at this moment.Steam flows to condensating section 11 and emits heat and condense into liquid under small pressure reduction, liquid flows back to evaporator section 13 along inner wall of tube shell again.So circulation reduces the operating temperature of sliding bearing.Thereby improved the operating conditions of bearing, reduced bearing cooling system powered attendant-controlled wheelchairs dependence.
The actual model of heat pipe and the quantity used is determined according to the calculated data of sliding bearing and the parameter of heat pipe.
Heat pipe described in the utility model can use separately, also can cooperate other types of cooling to use jointly.
Referring to Fig. 2, shown in the figure is seat formula sliding bearing, and wherein the evaporator section of heat pipe 1 passes in the oil sump 5 of bearing support 3 insertion bearings, and the pasta 4 of oil sump 5 floods the evaporator section of heat pipe 1, and heat pipe 1 is also by inserting link 2 coupling shaft bearings 3.
Referring to Fig. 3, shown in the figure is the end cover type sliding bearing, and wherein the evaporator section of heat pipe 1 passes in the oil sump 5 of bearing support 3 insertion bearings, and the pasta 4 of oil sump 5 floods the evaporator section of heat pipe 1.Certain heat pipe described in the utility model can also be set in the sliding bearing of other kind in the mode of inserting, and plays the effect of cooling equally.
Referring to Fig. 4, shown in the figure is seat formula sliding bearing, wherein the evaporator section of heat pipe 1a passes the oil sump 6a that bearing support 2a puts into bearing, the pasta 4a of oil sump 6a floods the evaporator section of heat pipe 1a, heat pipe 1a is at adiabatic section adpting flange plate 3a, and flanged plate 3a is connected on the bearing support 2a of sliding bearing by bolt 5a.
Referring to Fig. 5, shown in the figure is the end cover type sliding bearing, wherein the evaporator section of heat pipe 1a passes the oil sump 6a that bearing support 2a puts into bearing, the pasta 4a of oil sump 6a floods the evaporator section of heat pipe 1a, heat pipe 1a is at adiabatic section adpting flange plate 3a, and flanged plate 3a is connected on the bearing support 2a of sliding bearing by bolt 5a.Certain heat pipe described in the utility model can also be set in the sliding bearing of other kind with the flange ways of connecting, plays the effect of cooling equally.
Referring to Fig. 6, shown in the figure is seat formula sliding bearing, wherein the evaporator section of heat pipe 1b passes the oil sump 5b that bearing support 2b puts into bearing, the pasta 3b of oil sump 5b floods the evaporator section of heat pipe 1b, heat pipe 1b is at adiabatic section connecting thread link 4b, bearing support 2b is provided with interior threaded hole 6b, among the interior threaded hole 6b on the threaded connector 4b screw-in bearing support.
Referring to Fig. 7, shown in the figure is the end cover type sliding bearing, wherein the evaporator section of heat pipe 1b passes the oil sump 5b that bearing support 2b puts into bearing, the pasta 3b of oil sump 5b floods the evaporator section of heat pipe 1b, heat pipe 1b is at adiabatic section connecting thread link 4b, bearing support 2b is provided with interior threaded hole 6b, among the interior threaded hole 6b on the threaded connector 4b screw-in bearing support.Certain heat pipe described in the utility model can also be set in the mode that is threaded in the sliding bearing of other kind, plays the effect of cooling equally.
Referring to Fig. 8, shown in the figure is seat formula sliding bearing, and wherein the evaporator section of heat pipe 1c is close on the bearing support 3c of sliding bearing by heat absorption plate 4c, and condensating section is provided with radiating fin 2c.Described heat absorption plate 4c is wrapped in its inside with evaporator section, and heat absorption plate 4c is connected on the bearing support outer wall of sliding bearing by bolt 7c, and radiating fin is wrapped in its inside with condensating section, so that heat distributes; And below the height of the height of heat absorption plate 4c pasta 5c in oil sump 6c, so that heat absorption plate is fully with heat absorption.
Referring to Fig. 9, shown in the figure is the end cover type sliding bearing, and wherein the evaporator section of heat pipe 1c is close on the bearing support 3c of sliding bearing by heat absorption plate 4c, and condensating section is provided with radiating fin 2c.Described heat absorption plate 4c is wrapped in its inside with evaporator section, and heat absorption plate 4c is connected on the bearing support outer wall of sliding bearing by bolt 7c, and radiating fin is wrapped in its inside with condensating section, so that heat distributes; And below the height of the height of heat absorption plate 4c pasta 5c in oil sump 6c, so that heat absorption plate is fully with heat absorption.Certain heat pipe described in the utility model can also be set in the sliding bearing of other kind in the mode of fitting, and plays the effect of cooling equally.
Present technique combines with seat formula, end cover type motor the high-efficiency heat pipe sink dexterously dexterously with sliding bearing, improved radiating efficiency, has reduced the operating temperature of sliding bearing effectively, and the safety in utilization of sliding bearing is improved.Motor selflubricating using scope is enlarged, the 90mm diameter can be stablized use, and the 100mm diameter can be realized selflubricating, and the 110mm diameter also might be realized selflubricating, solve a difficult problem that all the time perplexs electromechanics trade, promoted the upgrading of motor product.
More than show and described basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; the utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (9)
1. a cooling structure of sliding bearing is characterized in that, comprises one or several tubular heat pipes and is connected and fixed part, and described heat pipe is connected in sliding bearing and can carries out heat exchange with sliding bearing; Heat pipe comprises imbibition core and the interior working medium that is used for transferring heat energy of shell on shell, the inner wall of tube shell; Heat pipe is divided into three sections of condensating sections, adiabatic section, evaporator section, and evaporator section absorbs the sliding bearing heat, and condensating section exposes the outside and outside release heat at sliding bearing.
2. a kind of cooling structure of sliding bearing according to claim 1 is characterized in that, the condensating section position of described heat pipe is higher than evaporator section, so that reflux behind the vapor condensation.
3. a kind of cooling structure of sliding bearing according to claim 2 is characterized in that, described heat pipe is the wherein a kind of of cross section circular pipe, cross section oval pipe, cross section square tube, cross section rectangular tube, cross section pancake pipe, bellows.
4. a kind of cooling structure of sliding bearing according to claim 2, it is characterized in that the condensating section of described heat pipe, adiabatic section, evaporator section are formed by the wherein one or more combination of cross section circular pipe, cross section oval pipe, cross section square tube, cross section rectangular tube, cross section pancake pipe, bellows.
5. a kind of cooling structure of sliding bearing according to claim 2 is characterized in that, the condensating section of described heat pipe, evaporator section are pipe or the light pipe that has fin; Evaporator section, condensating section are that the one or more combination of helical buckling shapes such as straight line shape or circle, back-shaped, triangle, quadrilateral, polygonal forms.
6. a kind of cooling structure of sliding bearing according to claim 2, it is characterized in that, described heat pipe connects sliding bearing in the mode of inserting, evaporator section inserts the sliding bearing hot-zone, condensating section exposes in the sliding bearing outside, and concrete heat pipe directly inserts or connects sliding bearing by inserting link.
7. a kind of cooling structure of sliding bearing according to claim 2 is characterized in that described heat pipe connects sliding bearing by flange, and evaporator section inserts the sliding bearing hot-zone, and condensating section exposes in the sliding bearing outside; Promptly in the heat pipe adiabatic section flanged plate is set, described flanged plate is connected by bolt on the bearing support of sliding bearing, is provided with seal washer between flanged plate and the bearing support.
8. a kind of cooling structure of sliding bearing according to claim 2 is characterized in that, described heat pipe is by the sliding bearing that is threaded, and evaporator section inserts the sliding bearing hot-zone, and condensating section exposes in the sliding bearing outside; Be that the heat pipe adiabatic section is provided with threaded connector, described threaded connector is provided with outside thread, and the bearing support of sliding bearing is provided with interior threaded hole, in the interior threaded hole on the threaded connector screw-in bearing support.
9. a kind of cooling structure of sliding bearing according to claim 2 is characterized in that described heat-pipe radiator is close on the sliding bearing by heat absorption plate, and promptly evaporator section is close on the sliding bearing by heat absorption plate, and condensating section is provided with radiating fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020145279XU CN201661615U (en) | 2010-03-30 | 2010-03-30 | Cooling structure of sliding bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020145279XU CN201661615U (en) | 2010-03-30 | 2010-03-30 | Cooling structure of sliding bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201661615U true CN201661615U (en) | 2010-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020145279XU Expired - Fee Related CN201661615U (en) | 2010-03-30 | 2010-03-30 | Cooling structure of sliding bearing |
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| Country | Link |
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| CN (1) | CN201661615U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793293A (en) * | 2010-03-30 | 2010-08-04 | 上海申科滑动轴承有限公司 | Cooling structure of sliding bearing |
| RU213872U1 (en) * | 2022-07-12 | 2022-10-04 | Александр Александрович ЛОБАЧ | SECTION OF STEEL TUBE RADIATOR WITH BOTTOM CONNECTION |
-
2010
- 2010-03-30 CN CN201020145279XU patent/CN201661615U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793293A (en) * | 2010-03-30 | 2010-08-04 | 上海申科滑动轴承有限公司 | Cooling structure of sliding bearing |
| CN101793293B (en) * | 2010-03-30 | 2013-09-11 | 上海申科滑动轴承有限公司 | Cooling structure of sliding bearing |
| RU213872U1 (en) * | 2022-07-12 | 2022-10-04 | Александр Александрович ЛОБАЧ | SECTION OF STEEL TUBE RADIATOR WITH BOTTOM CONNECTION |
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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: 20101201 Termination date: 20150330 |
|
| EXPY | Termination of patent right or utility model |