CN102852570A - Intermediate of gradual change gradient temperature field of turbocharger - Google Patents
Intermediate of gradual change gradient temperature field of turbocharger Download PDFInfo
- Publication number
- CN102852570A CN102852570A CN 201210311358 CN201210311358A CN102852570A CN 102852570 A CN102852570 A CN 102852570A CN 201210311358 CN201210311358 CN 201210311358 CN 201210311358 A CN201210311358 A CN 201210311358A CN 102852570 A CN102852570 A CN 102852570A
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- cooling cavity
- cooling chamber
- heat conduction
- duct
- gradient
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- 238000001816 cooling Methods 0.000 claims abstract description 74
- 210000003205 muscle Anatomy 0.000 claims description 15
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 238000006213 oxygenation reaction Methods 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 17
- 238000002485 combustion reaction Methods 0.000 description 10
- 239000007789 gas Substances 0.000 description 10
- 239000002912 waste gas Substances 0.000 description 9
- 238000009792 diffusion process Methods 0.000 description 7
- 238000007599 discharging Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
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Abstract
The invention discloses an intermediate of a gradual change gradient temperature field of a turbocharger. The intermediate comprises a left end face, a left bearing seat, a right bearing seat, an oil inlet screw hole, a primary cooling passage, a circumferential heat conduction rib, a horizontal heat conduction rib, a gradient cooling cavity, a right upper cooling cavity and a right lower cooling cavity, wherein the primary cooling cavity is arranged between the left bearing seat and the left end face, the gradient cooling cavity and the right upper cooling cavity are arranged above the horizontal oil passage, and are located on both sides of the oil inlet screw hole, the minimum thicknesses of the peripheral walls of the primary cooling cavity are 8-10 mm, the minimum wall thicknesses of the peripheries of the right upper cooling cavity and the right lower cooling cavity are 5-8 mm, the primary cooling passage, the gradient cooling cavity, the right upper cooling cavity and the right lower cooling cavity are communicated with each other, the circumferential heat conduction rib is arranged on the lower end of the left bearing seat, and the horizontal heat conduction rib is arranged on the lower ends of the two bearing seats. According to the structure, a gradient temperature field with high left and low right is formed by the intermediate, the output power of a turbine and an air compression ratio of the pressure gas are improved, and supercharge and oxygenation performances of the turbocharger are improved.
Description
[technical field]
The present invention relates to a kind of gas-discharging type turbosupercharger, relate in particular to the intermediate of gas-discharging type turbosupercharger.
[background technique]
The gas-discharging type turbosupercharger is to utilize the high-pressure high-temperature waste gas of internal-combustion engine discharge as power source, the high temperature pressure waste gas that internal-combustion engine is discharged is introduced the turbo machine in the turbosupercharger, the turbine that utilizes the contained energy of waste gas to promote in the turbo machine rotates, thereby drive the turbine rotation, driving simultaneously coaxial with it compressor impeller rotates, by gas compressor air amount is carried out the boost gas handling system of rear delivering diesel of contractive pressure, in cylinder of internal-combustion engine, be filled with high-density air, can improve each fuel injection amount, both can improve the output power of same model internal-combustion engine, also can improve the remarkable Economy of improving internal-combustion engine, impel fuel oil fully to burn, improve the thermal efficiency of internal-combustion engine, Reduce fuel consuming rate reduces noxious gas emission, reduce noise, therefore, automobile-used and marine engine all needs to mate turbosupercharger, and continuous-pressure breathing is the developing direction of internal-combustion engine.
Using the most general turbosupercharger at present is that the gas-discharging type turbine increases device, as shown in Figure 1, comprise turbine case 1, turbine 2, turbine shaft 3, sliding bearing 4, intermediate 5, diffusion plate 6, supercharging impeller 7 and pressure shell 8, turbine 2 and supercharging impeller 7 are installed in respectively the two ends of turbine shaft 3, turbine 2 is arranged in turbine case 1, supercharging impeller 7 is arranged in pressure shell 8, turbine shaft 3 is installed on the intermediate 5 by two sliding bearings 4, turbine case 1 is fixedly mounted on the left side of intermediate 5, be provided with heat shield 9 between the two, the left side of diffusion plate 6 and intermediate 5 link into an integrated entity hermetically, the right side of diffusion plate 6 and pressure shell 8 are tightly connected and are integral, lubricating oil path on the intermediate 5 and two sliding bearings 4 interlink, and two sliding bearings 4 are lubricated by lubricant oil with pressure and cool off.Sliding bearing 4 circumferentially be provided with equably oil inlet hole, be convenient to the surface of contact that lubricant oil can enter turbine shaft 3 and sliding bearing 4, satisfy sufficient lubrication and cooling requirement.
In existing gas-discharging type turbosupercharger, the temperature field of complete machine is also unreasonable, the turbine case 1 of turbo machine is sent into the gradual change turbine air flue 12 from the suction port 11 of turbine case 1 with the high-temp waste gas that internal-combustion engine is discharged, rely on temperature difference and pressure difference between turbine case suction port 11 and the waste gas outlet 13, promote turbine 2 high speed rotating, and supercharging impeller 7 under the driving of turbine 2 High Rotation Speed coaxial with turbine 2, with the air inlet inspiration of air from gas compressor, after supercharging impeller 7 and the compression of supercharging gradual change air flue, form pressurized air, then be transported to the gas handling system of internal-combustion engine, satisfy the abundant burning of fuel in the cylinder of internal-combustion engine.Working principle according to the gas-discharging type turbosupercharger, the temperature field that turbo machine is had relatively high expectations, gas compressor then requires lower temperature field, turbosupercharger complete machine temperature field gradient will directly have influence on the further raising of turbocharger supercharged effect, the claimant is through long-term test practice and analysis, the intermediate structure of existing gas-discharging type turbosupercharger is unreasonable, first, be provided with excessive cooling cavity with the turbine case connecting end, especially be provided with cooling chamber near suction port 11 places, the temperature that has reduced prematurely suction port is unfavorable for temperature difference between turbine case suction port 11 and the waste gas outlet 13 and the formation of pressure difference, in fact reduced the driving power of turbo machine, intermediate is too little near gas compressor one side cooling cavity, cause the gas compressor temperature to be difficult to descend, be unfavorable for the raising of compressed air pressure, be unfavorable for the formation of complete machine temperature field gradient.The temperature field of the second, two sliding bearing is different, excessive temperature differentials, because the heat distortion amount difference causes matching gap one end between two sliding bearings and the turbine shaft tight, the other end pine is unfavorable for the steady rotation of the rotor part of turbosupercharger, affects the raising of turbocharger supercharged effect.
[summary of the invention]
In order further to improve the pressurized effect of turbosupercharger, the purpose of this invention is to provide a kind of depth-graded temperature field intermediate of turbosupercharger.
The technological scheme that the present invention takes is:
A kind of depth-graded temperature field intermediate of turbosupercharger, it is characterized in that: comprise left end face, left connection seam, left shaft holder, the right bearing seat, the oil-feed screw, bearing hole, right connection seam, elementary cooling duct, circumferential heat conduction muscle, horizontal heat conduction muscle, the gradient cooling chamber, upper right cooling chamber, the bottom right cooling chamber, horizontal oil duct and branch road oil duct, branch road oil duct one end communicates with horizontal oil duct, the other end communicates with bearing hole, horizontal oil duct and oil-feed screw interlink, elementary cooling duct is arranged between left shaft holder and the left end face, gradient cooling chamber and upper right cooling chamber all are arranged on the top of horizontal oil duct, and lay respectively at the both sides of oil-feed screw, the minimum thickness of wall is 8 ~ 10 millimeters around the elementary cooling duct, minimum wall thickness (MINI W.) is 5 ~ 8 millimeters around upper right cooling chamber and the bottom right cooling chamber, elementary cooling duct, the gradient cooling chamber, upper right cooling chamber and bottom right cooling chamber lead to mutually, be provided with circumferential heat conduction muscle in the lower end of left shaft holder, be provided with horizontal heat conduction muscle in the lower end of left shaft holder and right bearing seat.
Because the elementary cooling duct on the intermediate is redesigned, make elementary cooling duct be in the cooling cavity volume of lower semi-circle less than the cooling cavity volume of first end, below left shaft holder, set up simultaneously circumferential heat conduction muscle, gradient cooling chamber and upper right cooling chamber above left shaft holder, have been set up, and guarantee elementary cooling duct, the gradient cooling chamber, upper right cooling chamber all connects with the bottom right communicating with cooling cavity, this structure can make intermediate form the gradient temperature field of right low left high, make the suction port of turbine case and the zone of lower semi-circle be in the high-temperature field, make gradual change turbine air flue and the waste gas outlet of turbo machine be in relatively low temperature field, increase temperature difference and pressure difference between high temperature suction port and the waste gas outlet, under equal high-temperature exhaust air condition, improved the output power of turbo machine, can further carry the air compressing ratio of pressurized gas, thereby improve the pressure of turbosupercharger.Intermediate has improved the oxygen density of output squeezing air near the raising of the more sharp gas compressor air compressing ratio of temperature reduction of gas compressor end, has improved the pressure boost and oxygen increase performance of turbosupercharger.
[description of drawings]
Fig. 1 is the configuration diagram of existing turbosupercharger;
Fig. 2 is structural representation of the present invention;
Among the figure, the 1-turbine case; The 2-turbine; The 3-turbine shaft; The 4-sliding bearing; The 5-intermediate; The 6-diffusion plate; The 7-supercharging impeller; The 8-pressure shell; The 9-heat shield; The 11-suction port; 12-gradual change turbine air flue; The 13-waste gas outlet; The 51-left end face; The left connection seam of 52-; The 53-left shaft holder; 54-right bearing seat; 55-oil-feed screw; The 56-bearing hole; The right connection seam of 57-; The elementary cooling duct of 58-; The circumferential heat conduction muscle of 59-; The horizontal heat conduction muscle of 60-; 61-gradient cooling chamber; The upper right cooling chamber of 62-; 63-bottom right cooling chamber; The horizontal oil duct of 64-; 65-branch road oil duct.
[embodiment]
Below in conjunction with description of drawings the specific embodiment of the present invention:
Embodiment 1: shown in Figure 1 is a kind of temperature gradient cooling-down type turbosupercharger, it comprises turbine case 1, turbine 2, turbine shaft 3, sliding bearing 4, intermediate 5, diffusion plate 6, supercharging impeller 7 and pressure shell 8, turbine 2 and supercharging impeller 7 are installed in respectively the two ends of turbine shaft 3, turbine 2 is arranged in turbine case 1, supercharging impeller 7 is arranged in pressure shell 8, turbine shaft 3 is installed on the intermediate 5 by two sliding bearings 4, turbine case 1 is fixedly mounted on the left side of intermediate 5, be provided with heat shield 9 between the two, the left side of diffusion plate 6 and intermediate 5 link into an integrated entity hermetically, the right side of diffusion plate 6 and pressure shell 8 are tightly connected and are integral, and the lubricating oil path on the intermediate 5 and two sliding bearings 4 interlink; Its intermediate 5 is the present invention, as shown in Figure 2, it comprises left end face 51, left connection seam 52, left shaft holder 53, right bearing seat 54, oil-feed screw 55, bearing hole 56, right connection seam 57, elementary cooling duct 58, circumferential heat conduction muscle 59, horizontal heat conduction muscle 60, gradient cooling chamber 61, upper right cooling chamber 62, bottom right cooling chamber 63, horizontal oil duct 64 and branch road oil duct 65, branch road oil duct 65 1 ends communicate with horizontal oil duct 64, the other end communicates with bearing hole 56, horizontal oil duct 64 interlinks with oil-feed screw 55, elementary cooling duct 58 is arranged between left shaft holder 53 and the left end face 51, gradient cooling chamber 61 and upper right cooling chamber 62 all are arranged on the top of horizontal oil duct 64, and lay respectively at the both sides of oil-feed screw 55, the minimum thickness of wall is 8 ~ 10 millimeters around the elementary cooling duct 58, minimum wall thickness (MINI W.) is 5 ~ 8 millimeters around upper right cooling chamber 62 and the bottom right cooling chamber 63, elementary cooling duct 58, gradient cooling chamber 61, upper right cooling chamber 62 and bottom right cooling chamber 63 lead to mutually, be provided with circumferential heat conduction muscle 59 in the lower end of left shaft holder 53, be provided with horizontal heat conduction muscle 60 in the lower end of left shaft holder 53 and right bearing seat 54.
Claims (1)
1. the depth-graded temperature field intermediate of a turbosupercharger, it is characterized in that: comprise left end face (51), left connection seam (52), left shaft holder (53), right bearing seat (54), oil-feed screw (55), bearing hole (56), right connection seam (57), elementary cooling duct (58), circumferential heat conduction muscle (59), horizontal heat conduction muscle (60), gradient cooling chamber (61), upper right cooling chamber (62), bottom right cooling chamber (63), horizontal oil duct (64) and branch road oil duct (65), branch road oil duct (65) one ends communicate with horizontal oil duct (64), the other end communicates with bearing hole (56), horizontal oil duct (64) interlinks with oil-feed screw (55), elementary cooling duct (58) is arranged between left shaft holder (53) and the left end face (51), gradient cooling chamber (61) and upper right cooling chamber (62) all are arranged on the top of horizontal oil duct (64), and lay respectively at the both sides of oil-feed screw (55), elementary cooling duct (58) all around minimum thickness of wall is 8 ~ 10 millimeters, minimum wall thickness (MINI W.) is 5 ~ 8 millimeters around upper right cooling chamber (62) and the bottom right cooling chamber (63), elementary cooling duct (58), gradient cooling chamber (61), upper right cooling chamber (62) and bottom right cooling chamber (63) lead to mutually, be provided with circumferential heat conduction muscle (59) in the lower end of left shaft holder (53), be provided with horizontal heat conduction muscle (60) in the lower end of left shaft holder (53) and right bearing seat (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210311358 CN102852570A (en) | 2012-08-28 | 2012-08-28 | Intermediate of gradual change gradient temperature field of turbocharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210311358 CN102852570A (en) | 2012-08-28 | 2012-08-28 | Intermediate of gradual change gradient temperature field of turbocharger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102852570A true CN102852570A (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201210311358 Pending CN102852570A (en) | 2012-08-28 | 2012-08-28 | Intermediate of gradual change gradient temperature field of turbocharger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758587A (en) * | 2013-12-30 | 2014-04-30 | 常州环能涡轮动力股份有限公司 | Model body of small-sized turbosuperchager |
-
2012
- 2012-08-28 CN CN 201210311358 patent/CN102852570A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758587A (en) * | 2013-12-30 | 2014-04-30 | 常州环能涡轮动力股份有限公司 | Model body of small-sized turbosuperchager |
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Application publication date: 20130102 |