CN103696891B - The two turbine-driven sets of a kind of air starting motor - Google Patents
The two turbine-driven sets of a kind of air starting motor Download PDFInfo
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- CN103696891B CN103696891B CN201310714784.XA CN201310714784A CN103696891B CN 103696891 B CN103696891 B CN 103696891B CN 201310714784 A CN201310714784 A CN 201310714784A CN 103696891 B CN103696891 B CN 103696891B
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Abstract
The invention discloses the two turbine-driven sets of a kind of air starting motor, comprise be provided with air inlet pipe connector and exhaust outlet housing, be located at one-level turbine, directive wheel, two-stage turbine, end cap and main shaft in housing, end cap, one-level turbine, directive wheel and two-stage turbine are connected in turn on main shaft; End cap outside is connected with housing by sealing ring, the jet that end cap inner side offers air inlet and is conducted with air inlet, and air inlet is connected with air inlet pipe connector, and jet is opened on end cap periphery; On one-level turbine periphery, offer and be first groove of " V " type and along the circumferential direction arrange; On directive wheel periphery, offer and be down the reversing groove of " V " type and along the circumferential direction arrange, directive wheel is fixedly connected in housing; On two-stage turbine periphery, offer and be second groove of " V " type and along the circumferential direction arrange. The present invention has advantages of that power output is large, air consumption is low, efficiency is high, moment of torsion is large, pressure drop is low, starting pressure is little.
Description
Technical field
The present invention relates to air starting field of motors, particularly a kind of air starting motor is twoTurbine-driven set.
Background technology
Present stage widely used air starting motor by version be mainly divided into vane type andTwo kinds of turbine types. Vane type air starting motor is to promote blade rotary by compressed airDrive starter gear and engine flywheel to rotate. Vane type air starting motor is mainly usedIn pneumatic tools, high-speed rotating machine and mining machinery etc., it has explosion-proof, higher risingDynamic torque, overload protection, temperature rise be less, can be fully loaded with for a long time the advantages such as work. But, withTurbine type air starting motor is compared, the in the situation that of identical load ability, and vane type airStarter is heavier, air consumption is large, efficiency is low. And vane type air starting motorNoise is large, need gas circuit lubricated. Turbine type air starting motor is to utilize compressed air-drivenTurbine rotates to drive air starting motor gear and engine flywheel to rotate. Turbine type airStarter is mainly used in the equipment such as boats and ships, mine, oil gas field, steam turbine. Turbine type skyGas starter is without lubricated gas circuit, and light weight, has lower operating pressure and higher meritRate.
The turbine type air starting motor of current domestic use is generally single turbine type of drive,Although comparing vane type air starting motor, single turbine formula air starting motor there is advantage,That traditional single turbine formula air starting motor still has that power output is little, air consumption is large, efficiencyLow, moment of torsion is little, pressure drop is high, starting pressure is large, the shortcomings such as turbo lag.
Summary of the invention
For the technical problem existing in prior art, the object of the invention is: provide a kind ofLight weight, without lubricated gas circuit, power output is large, air consumption is low, efficiency is high, moment of torsion is large,The two turbine-driven sets of air starting motor that pressure drop is low and starting pressure is little.
Object of the present invention is achieved through the following technical solutions: the two whirlpools of a kind of air starting motorWheel drive unit, comprise be provided with air inlet pipe connector and exhaust outlet housing, be located in housingOne-level turbine, directive wheel, two-stage turbine, end cap and main shaft, described end cap, one-levelTurbine, directive wheel and two-stage turbine are connected in turn on main shaft, and end cap and directive wheel pass throughBearing is connected on main shaft, and one-level turbine and two-stage turbine are connected on main shaft by key; EndLid outside is connected with housing by sealing ring, and end cap inner side offers air inlet and and air inletThe jet being conducted, described air inlet is connected with air inlet pipe connector, and jet is offeredOn end cap periphery; On described one-level turbine periphery, offer the first ditch that is " V " typeGroove is also along the circumferential direction arranged; On directive wheel periphery, offer the reversing groove that is down " V " typeAnd along the circumferential direction arrange, directive wheel is fixedly connected in housing; Described two-stage turbine circumferenceOn face, offer and be second groove of " V " type and along the circumferential direction arrange.
Further, described jet and the air inlet relative end cap radial direction two that is arranged on respectivelyEnd.
Further, between adjacent two first grooves, form boss, on boss, offer counterbore.
Further, described one-level turbine and two-stage turbine coordinate with body clearance.
Further, on the end face of described one-level turbine and two-stage turbine, axially offer multipleEqually distributed through hole.
Further, described end cap and one-level turbine spacing are 1-2.5mm, one-level turbine withDirective wheel spacing is 1-2.5mm, and directive wheel and two-stage turbine spacing are 1-2.5mm.
Further, described the first ditch groove deep is 3-5mm, maximum groove width 9.5-11.5mm,The minimum groove width 3-4.5mm of place; Described the second ditch groove deep is 3.5-5mm, maximum groove width7-8.5mm, the minimum groove width 4.5-6mm of place; Reversing groove groove depth is 3.5-5mm, maximum groove width11-13mm, the minimum groove width 6-7.5mm of place.
Further, on described directive wheel circumferential surface, there is the pressurization being fixedly connected with housingBoss.
Further, described main shaft and directive wheel junction are connected with clutch shaft bearing cover, firstRolling bearing and the first lip-type packing, directive wheel is socketed on described clutch shaft bearing cover,In one rolling bearing and the first lip-type packing; Described main shaft and end cap junction are connected withThe second axle sleeve, the second rolling bearing and the second lip-type packing, end cap is socketed on describedIn two axle sleeves, the second rolling bearing and the second lip-type packing.
Further, the side that described the second rolling bearing exposes end cap is connected with a pressing plate,Pressing plate is fixedly connected on end cap.
Operation principle of the present invention: the present invention is provided with one-level turbine and two-stage turbine can be simultaneouslyDrive shaft rotation. In the time that the air inlet pipe connector on housing is connected with Compressed Gas, compressed gasBody enters jet by the air inlet on end cap, and Compressed Gas enters one-level whirlpool along jetThereby in the first groove of wheel, drive the acting of one-level turbine to make main shaft rotation, when Compressed Gas fromIn first groove when ejection of one-level turbine, the injection direction of gas is sent out when entering the first grooveRaw change, now, gas enters the reversing groove on directive wheel, can make compression by reversing grooveThe injection direction of gas changes makes it identical with initial injection direction, and Compressed Gas is from reversing grooveThereby middle ejection enters, the second groove of two-stage turbine is interior drives two-stage turbine acting further to push awayMoving main shaft rotation, gas is discharged by the exhaust outlet on housing after by the second groove.
The present invention has following advantage and effect with respect to prior art:
1, the present invention is provided with one-level turbine and two-stage turbine drive shaft rotation simultaneously, establishesMeter rationally, simple in structure, both retained conventional turbine formula air starting motor without lubricated gasRoad, the advantage of light weight, also has that power output is large, air consumption is low, efficiency is high simultaneously, turns roundThe advantage that square is large, pressure drop is low, starting pressure is little, before having wide market application and promotingScape.
2, on directive wheel circumferential surface of the present invention, there is adding of matching and be fixedly connected with housingBelling platform. Pressurization boss and housing closely cooperate, and reduce the scope of gas flow to increase gasPress. The boss that simultaneously pressurizes is also fixedly connected with by screw with housing.
3, between adjacent two first grooves of the present invention, form boss, on boss, offer counterbore.To alleviate the weight of one-level turbine, can also control the degree of depth of each counterbore to regulate one-level turbineBalance.
4, on one-level turbine of the present invention and two-stage turbine, there is through hole and further alleviate one-level whirlpoolThe weight of wheel and two-stage turbine.
5, main shaft of the present invention respectively and between directive wheel and end cap, be provided with sealing ring and preventGas leakage.
Brief description of the drawings
Fig. 1 is assembling schematic diagram of the present invention.
Fig. 2 is cutaway view of the present invention.
Fig. 3 is the structural representation of directive wheel of the present invention.
Fig. 4 is the cutaway view of embodiment bis-end cap inner side parts.
Fig. 5 is showing of end cap of the present invention, one-level turbine, directive wheel and two-stage turbine spacingIntention.
Fig. 6 is the enlarged drawing of D portion in Fig. 5.
Fig. 7 is the structural representation of one-level turbine of the present invention.
Fig. 8 is the structural representation of two-stage turbine of the present invention.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but thisBright embodiment is not limited to this.
Embodiment mono-:
As Figure 1-3, the two turbine-driven sets of a kind of air starting motor, comprise be provided with intoThe housing 10 of tracheae connector 11 and exhaust outlet 12, be located at one-level turbine 20 in housing 10,Directive wheel 30, two-stage turbine 40, end cap 50, main shaft 60 and axle pad sheet 70, housing 10 isThe tubulose axially connecting, described air inlet pipe connector 11 arranges with exhaust outlet 12 front and back, described inAir inlet pipe connector 12 is arranged on the outer wall of housing 10, and exhaust outlet 12 is arranged on housing 10 axlesTo one end place.
As shown in Figure 1-2, described end cap 50, one-level turbine 20, directive wheel 30 and secondary whirlpoolWheel 40 is connected in turn on main shaft 60, and one-level turbine 20 and two-stage turbine 40 are connected in by keyOn main shaft 60. Housing 10 and end cap 50 matched in clearance, end cap 50 outsides by sealing ring 51 withHousing 10 connects, concrete, and described sealing ring 51 is " 0 " RunddichtringO, end cap 50 outsidesOuter circumference surface be provided with groove, " 0 " RunddichtringO is housed, " 0 " RunddichtringO on grooveBe sealedly connected between housing 10 and end cap 50.
As shown in Fig. 1,3 and 4, end cap 50 inner sides offer air inlet 52 and with air inlet 52 phasesThe jet 53 of conducting, described air inlet 52 is connected with air inlet pipe connector 12, jet53 offer along end cap 50 circumferencial directions; On described one-level turbine 20 outer circumference surfaces, offer and be " V "The first groove 21 of type is also along the circumferential direction evenly arranged, shape between adjacent two first grooves 21Become boss 22, on boss 22, offer counterbore 23; On directive wheel 30 peripheries, offer and beThe reversing groove 31 of " V " type of falling is also along the circumferential direction evenly arranged, adjacent two reversing grooves 31 itBetween form the projection 33 that is connected with housing 10, directive wheel 30 is fixedly connected in housing 10,On directive wheel 30 peripheries, there is the pressurization boss 32 matching with housing 10, add belling simultaneouslyPlatform 32 is also fixedly connected with by holding screw (not illustrating in figure) with housing 10; Described secondaryOn turbine 40 external peripheral surfaces, offer the second groove 41 along the circumferential direction equal that is " V " typeEven arranging.
As shown in Figure 2, described main shaft 60 is connected with clutch shaft bearing cover with directive wheel 30 junctions61, the first rolling bearing 62 and the first lip-type packing 63, described in directive wheel 30 is socketed onIn clutch shaft bearing cover 61, the first rolling bearing 62 and the first lip-type packing 63; Described masterAxle 60 is connected with the second axle sleeve 64, the second rolling bearing 65 and second with end cap 50 junctionsLip-type packing 66, end cap 50 be socketed on described the second axle sleeve 64, the second rolling bearing 65 withAnd second in lip-type packing 66, the second rolling bearing 65 exposes a side and a pressure of end cap 50Plate 68 connects, and pressing plate 68 is fixedly connected on end cap 50, in case the second rolling bearing 65 occursSlide.
As shown in Figure 2, between described one-level turbine 20 and two-stage turbine 40 and main shaft 60, pass through respectivelyFlat key 67 connects, and axially offers multiple equal on the end face of one-level turbine 20 and two-stage turbine 40The through hole 80 of even distribution, one-level turbine 20 and two-stage turbine 40 have identical external diameter size andExternal peripheral surface and housing 10 have certain gap.
As illustrated in fig. 1 and 2, described main shaft 60 is connected by soket head cap screw 90 with axle pad sheet 70,End cap 50 is connected by rolling bearing with main shaft 60 respectively with directive wheel 30.
As illustrated in Figures 5 and 6, described end cap 50 is 1-2.5mm with one-level turbine 20 spacing a,One-level turbine 20 is 1-2.5mm with directive wheel 30 spacing b, directive wheel 30 and two-stage turbine 40Spacing c is 1-2.5mm. Preferably, described end cap 50 with one-level turbine 20 spacings is1.1mm, one-level turbine 20 is 2mm with directive wheel 30 spacings, directive wheel 30 and two-stage turbine40 spacings are 1.2mm.
As Figure 7-8, described the first ditch groove deep is 3-5mm, maximum groove width9.5-11.5mm, the minimum groove width 3-4.5mm of place; Described the second ditch groove deep is 3.5-5mm,Maximum groove width 7-8.5mm, the minimum groove width 4.5-6mm of place; Reversing groove groove depth is 3.5-5mm,Maximum groove width 11-13mm, the minimum groove width 6-7.5mm of place.
Preferably, described the first ditch groove deep is 4.3mm, maximum groove width 10.6mm, minimumThe groove width 3.7mm of place; Described the second ditch groove deep is 4.25mm, maximum groove width 7.6mm,The little groove width 5.5mm of place; Reversing groove groove depth is 4.17mm, maximum groove width 12mm, minimum place grooveWide 6.9mm.
The course of work of the present invention and operation principle: when the air inlet pipe connector 11 on housing 10While being connected with Compressed Gas, Compressed Gas enters jet 53 by the air inlet 52 on end cap 50,Thereby Compressed Gas enters the interior one-level that drives of the first groove 21 of one-level turbine 20 along jet 53Turbine 20 actings are rotated main shaft 60, when Compressed Gas is from the first groove 21 of one-level turbine 20When ejection, the injection direction of gas changes when entering the first groove 21, now, and gasBody enters the reversing groove 31 on directive wheel 30, can make the injection of Compressed Gas by reversing groove 31Direction change makes it identical with initial injection direction, Compressed Gas from reversing groove 31, spray intoDrive two-stage turbine 40 actings further to promote thereby the second groove 41 that enters two-stage turbine 40 is interiorMain shaft 60 rotates, and gas is discharged by the exhaust outlet 12 on housing 10 after by the second groove 41.
Embodiment bis-:
The present embodiment and embodiment mono-difference are: as shown in Figure 4, and described jet 53With the air inlet 52 just right radially two ends of end cap 50 that are arranged on respectively; Described directive wheel 30 interferenceBe matched with in housing 10.
Above-described embodiment is preferably embodiment of the present invention, but embodiments of the present invention alsoBe not restricted to the described embodiments other any Spirit Essence of the present invention and former that do not deviate fromManage the lower change of doing, modification, substitute, combine, simplify, all should be equivalent displacement sideFormula, within being included in protection scope of the present invention.
Claims (9)
1. the two turbine-driven sets of air starting motor, is characterized in that: comprise and being provided withThe housing of air inlet pipe connector and exhaust outlet, be located at one-level turbine in housing, directive wheel,Two-stage turbine, end cap and main shaft, described end cap, one-level turbine, directive wheel and secondaryTurbine is connected in turn on main shaft, and end cap and directive wheel are connected on main shaft by bearing, and oneLevel turbine and two-stage turbine are connected on main shaft by key; End cap outside is by sealing ring and shellBody connects, the jet that end cap inner side offers air inlet and is conducted with air inlet, described inAir inlet is connected with air inlet pipe connector, and jet is opened on end cap periphery; DescribedOn one-level turbine periphery, offer and be first groove of " V " type and along the circumferential direction arrange;On directive wheel periphery, offer and be down the reversing groove of " V " type and along the circumferential direction arrange, leadBe fixedly connected in housing to wheel; On described two-stage turbine periphery, offer and to be " V " typeThe second groove is also along the circumferential direction arranged;
Described main shaft and directive wheel junction are connected with clutch shaft bearing cover, clutch shaft bearing andOne sealing ring, directive wheel is socketed on described clutch shaft bearing cover, clutch shaft bearing and the first sealingOn circle; Described main shaft and end cap junction are connected with the second axle sleeve, the second bearing and secondSealing ring, end cap is socketed on described the second axle sleeve, the second bearing and the second sealing ring.
2. two turbine-driven sets of air starting motor according to claim 1, its featureBe: described jet and air inlet be the relative end cap radial direction two ends that are arranged on respectively.
3. two turbine-driven sets of air starting motor according to claim 1, its featureBe: between adjacent two first grooves, form boss, on boss, offer counterbore.
4. two turbine-driven sets of air starting motor according to claim 1, its featureBe: described one-level turbine and two-stage turbine coordinate with body clearance.
5. two turbine-driven sets of air starting motor according to claim 1, its featureBe: on the end face of described one-level turbine and two-stage turbine, axially offer multiple being uniformly distributedThrough hole.
6. two turbine-driven sets of air starting motor according to claim 1, its featureBe: described end cap and one-level turbine spacing are 1-2.5mm, between one-level turbine and directive wheelDistance is 1-2.5mm, and directive wheel and two-stage turbine spacing are 1-2.5mm.
7. two turbine-driven sets of air starting motor according to claim 1, its featureBe: described the first ditch groove deep is 3-5mm maximum groove width 9.5-11.5mm, minimum placeGroove width 3-4.5mm; Described the second ditch groove deep is 3.5-5mm, maximum groove width 7-8.5mm,The minimum groove width 4.5-6mm of place; Reversing groove groove depth is 3.5-5mm, maximum groove width 11-13mm,The minimum groove width 6-7.5mm of place.
8. two turbine-driven sets of air starting motor according to claim 1, its featureBe: on described directive wheel circumferential surface, there is the pressurization boss being fixedly connected with housing.
9. two turbine-driven sets of air starting motor according to claim 1, its featureBe: the side that described the second bearing exposes end cap is connected with a pressing plate, and pressing plate is fixedly connected withOn end cap.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310714784.XA CN103696891B (en) | 2013-12-20 | 2013-12-20 | The two turbine-driven sets of a kind of air starting motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310714784.XA CN103696891B (en) | 2013-12-20 | 2013-12-20 | The two turbine-driven sets of a kind of air starting motor |
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| CN103696891A CN103696891A (en) | 2014-04-02 |
| CN103696891B true CN103696891B (en) | 2016-05-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104747238B (en) * | 2015-03-19 | 2016-08-17 | 华南理工大学 | A kind of aerodynamic motor of space curve micro groove structure water conservancy diversion |
| CN105402070B (en) * | 2015-12-14 | 2018-05-29 | 中国航空工业集团公司金城南京机电液压工程研究中心 | A kind of air turbine starter clutch transmission |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4694791A (en) * | 1985-11-15 | 1987-09-22 | Showa Precision Machinery Co., Ltd. | Starting device with air motor for internal combustion engines |
| CN201236759Y (en) * | 2008-07-25 | 2009-05-13 | 煤炭科学研究总院太原研究院 | Turbine type gas starting equipment of diesel engine |
| CN202971001U (en) * | 2012-12-05 | 2013-06-05 | 烟台卡伦特机械制造有限公司 | Axial turbine air starter |
| CN203640901U (en) * | 2013-12-20 | 2014-06-11 | 华南理工大学 | Bi-turbine driving device for pneumatic motor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07102991A (en) * | 1993-09-30 | 1995-04-18 | Tadashi Mochihata | Driving device utilizing braking energy of vehicle |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4694791A (en) * | 1985-11-15 | 1987-09-22 | Showa Precision Machinery Co., Ltd. | Starting device with air motor for internal combustion engines |
| CN201236759Y (en) * | 2008-07-25 | 2009-05-13 | 煤炭科学研究总院太原研究院 | Turbine type gas starting equipment of diesel engine |
| CN202971001U (en) * | 2012-12-05 | 2013-06-05 | 烟台卡伦特机械制造有限公司 | Axial turbine air starter |
| CN203640901U (en) * | 2013-12-20 | 2014-06-11 | 华南理工大学 | Bi-turbine driving device for pneumatic motor |
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| CN103696891A (en) | 2014-04-02 |
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Effective date of registration: 20170527 Address after: 100041, No. 11, building 30, Shijingshan District Hing Street, Beijing Patentee after: Beijing North Liyuan Hydraulic Transmission Machinery Co., Ltd. Address before: 510640 Tianhe District, Guangdong, No. five road, No. 381, Co-patentee before: Guangzhou Hai Tong mechanical & electronic equipment corporation, Ltd Patentee before: South China University of Technology |
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Address after: 100144 building 11, yard 30, Shixing street, Shijingshan District, Beijing Patentee after: Beijing North Liyuan intelligent Polytron Technologies Inc. Address before: 100041 building 11, yard 30, Shixing street, Shijingshan District, Beijing Patentee before: Beijing North Liyuan Hydraulic Transmission Machinery Co.,Ltd. |
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Denomination of invention: A double turbine driving device for air starting motor Effective date of registration: 20210202 Granted publication date: 20160511 Pledgee: Wuxi rural commercial bank Limited by Share Ltd. Pledgor: Beijing North Liyuan intelligent Polytron Technologies Inc. Registration number: Y2021990000142 |
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