CN102720585A - Timing gear chamber wheel train of engine - Google Patents
Timing gear chamber wheel train of engine Download PDFInfo
- Publication number
- CN102720585A CN102720585A CN2011103658993A CN201110365899A CN102720585A CN 102720585 A CN102720585 A CN 102720585A CN 2011103658993 A CN2011103658993 A CN 2011103658993A CN 201110365899 A CN201110365899 A CN 201110365899A CN 102720585 A CN102720585 A CN 102720585A
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- gear
- toothed wheel
- idle pulley
- fuel injection
- wheel
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Abstract
The invention discloses a timing gear chamber wheel train of an engine. On the aspect of structural configuration, a crankshaft toothed wheel is meshed with an idler toothed wheel and is arranged below the idler toothed wheel. The left side of the idler toothed wheel is meshed with a fuel injection pump toothed wheel, and the downside of the fuel injection pump toothed wheel is meshed with a vacuum pump toothed wheel. The right side of the idler toothed wheel is meshed with a cam shaft toothed wheel, and the downside of the cam shaft toothed wheel is meshed with a fuel pump toothed wheel. The parameters of normal modules, pressure angles and spiral angles of indexing cylinder upper teeth of the crankshaft toothed wheel, the idler toothed wheel, the cam shaft toothed wheel, the fuel injection pump toothed wheel, the fuel pump transmission toothed wheel and the vacuum pump toothed wheel are kept consistent. The timing gear chamber wheel train has a simple and compact structure, can meet the fuel injection timing of the engine, and can drive a vacuum pump and a fuel pump through a gear train. The timing gear chamber wheel train is suitable for being applied to a front toothed wheel train and the engine of which the working cavity is arranged at the front end of an engine body, wherein the working cavity adopts a gear transmission vacuum pump and the fuel pump.
Description
Technical field:
The invention belongs to the engine structure technology, be specifically related to a kind of rotor timing gears device that drives vacuum pump and oil pump.
Background technique:
In engine structure, the effect of timing gear is the port timings when guaranteeing engine running, make intake valve and exhaust valve unlatching, close with piston motion consistent.The timing gear of DENG system generally is made up of crankshaft gear, fuel injection pump gear, camshaft gear wheel, idle pulley gear etc. at present.The timing gear of motor system removes and guarantees also to utilize engine accessory power ratings such as timing gear drive air compressor and power steering pump the motor injection timing function, and the oil pump of motor is by the oblique driving gear transmission of camshaft, and vacuum pump is by the belt pulley transmission.The defective of this structure is that to cause the motor external form to take up room very big, and belt transmission has transmission loss.Making motor external form compactness and the transmission efficiency that improves motor more, is that the industry is all improved design as subject matter.To propose a kind of timing gear that utilize be the timing gear system of transmission vacuum pump and oil pump in the present invention for this reason.
Summary of the invention:
The purpose of this invention is to provide a kind of rotor timing gears device that drives vacuum pump and oil pump, engine timing gear is a mechanism, is used for the motor of lower arranging cam axle overhead valvetrain assembly.
Below in conjunction with accompanying drawing structural principle of the present invention is described.Engine timing gear chamber train comprises: crankshaft gear, idle pulley gear, camshaft gear wheel, fuel injection pump gear, oil pump driving gear and vacuum pump gear.On structural configuration: crankshaft gear and idle pulley gear engagement also place the below of idle pulley gear.The left side of idle pulley gear and fuel injection pump gear engagement, the below of fuel injection pump gear and vacuum pump gear engagement.The right side of idle pulley gear and camshaft gear wheel engagement, camshaft gear wheel below and oil pump gear engagement.The helix angle parameter of tooth is all guaranteed unanimity on the normal module of crankshaft gear, idle pulley gear, camshaft gear wheel, fuel injection pump gear, oil pump driving gear and vacuum pump gear, pressure angle, the calibration cylinder.
Correct in order to guarantee motor port timing when assembling and keep in repair, prevent to cause port timing chaotic, so the characteristics of engine timing gear are with timing marks.For this reason: when the motor first cylinder piston was positioned at compression top center, the timing marks of crankshaft gear was positioned at the center with idle pulley gear engaged section, was drilled with a significant blind hole in crankshaft gear tooth root portion; The timing marks of idle pulley gear and crankshaft gear engaged section is that tooth root portion is drilled with two significant blind holes.
The timing marks of camshaft gear wheel is positioned at the center with idle pulley gear engaged section, in the tooth root portion of camshaft gear wheel, is drilled with two significant blind holes; The timing marks of idle pulley gear and camshaft gear wheel engaged section is to be drilled with a significant blind hole.
The timing marks of fuel injection pump gear is positioned at the center with idle pulley gear engaged section, is carved with two significant letters in the tooth root portion of fuel injection pump gear; The timing marks of idle pulley gear and fuel injection pump gear engaged section is to be carved with a significant letter.
The number of teeth of idle pulley gear, fuel injection pump gear, three gears of camshaft gear wheel is two times of the crankshaft gear number of teeth, and promptly when crankshaft gear rotated two circles, fuel injection pump gear and camshaft gear wheel rotated a circle under the drive of idle pulley gear.
Crankshaft gear rotates a circle vacuum pump gear and rotates 39/52 circle, and oil pump gear rotates 43/52 circle.
Characteristics of the present invention and usefulness be, and be simple in structure, compact, can satisfy the motor injection timing, can utilize the drive vacuum pump and the oil pump of train of gearings again.This structure is adapted at preposition train of gearings, adopt the active chamber of gear transmission vacuum pump, oil pump to be arranged on the body front end motor uses.
Description of drawings:
Shown in accompanying drawing be structural configuration of the present invention and schematic diagram.
Embodiment:
Below in conjunction with accompanying drawing and through embodiment structure of the present invention is explained in more detail.Present embodiment is narrative, rather than determinate, does not limit protection scope of the present invention with this embodiment.
The concrete technical pattern that this engine timing gear is is: crankshaft gear 1 and idle pulley gear 2 mesh and place the below of idle pulley gear.The left side of idle pulley gear and fuel injection pump gear 4 engagements, the below of fuel injection pump gear and 6 engagements of vacuum pump gear.The right side of idle pulley gear and camshaft gear wheel 3 engagements, camshaft gear wheel 3 belows and oil pump gear 5 engagements.The helix angle parameter of tooth is all guaranteed unanimity on the normal module of crankshaft gear 1, idle pulley gear 2, camshaft gear wheel 3, fuel injection pump gear 4, oil pump driving gear 5 and vacuum pump gear 6, pressure angle, the calibration cylinder, guarantees to have accurate engagement.
In above-mentioned 6 gears, crankshaft gear, idle pulley gear, camshaft gear wheel, fuel injection pump gear have been done timing marks (like figure), are respectively:
The timing marks of crankshaft gear is positioned at the center with idle pulley gear engaged section, is drilled with a significant blind hole of φ 1.5mm in crankshaft gear tooth root portion; The timing marks of idle pulley gear and crankshaft gear engaged section is that tooth root portion is drilled with two blind holes that φ 1.5mm is significant.
The timing marks of camshaft gear wheel is positioned at the center with idle pulley gear engaged section, in the tooth root portion of camshaft gear wheel, is drilled with two blind holes that φ 1.5mm is significant; The timing marks of idle pulley gear and camshaft gear wheel engaged section is to be drilled with a blind hole that φ 1.5mm is significant.
The timing marks of fuel injection pump gear is positioned at the center with idle pulley gear engaged section, is carved with two letters that " Z " is significant in the tooth root portion of fuel injection pump gear; The timing marks of idle pulley gear and fuel injection pump gear engaged section is to be carved with a letter that " Z " is significant.
The number of teeth of idle pulley gear, fuel injection pump gear, three gears of camshaft gear wheel is two times of the crankshaft gear number of teeth, and crankshaft gear rotates a circle vacuum pump gear rotation 39/52 circle; Oil pump gear rotates 43/52 circle.
When gear was installed, the mark in correct time on the gear must be aimed at, with valve timing and the fuel injection timing of guaranteeing motor.Crankshaft gear and engine crankshaft are assembled together and rotate synchronously, drive the rotation of idle pulley gear then.Motor is in when assembling, and when the first cylinder piston is positioned at compression top center, the blind hole mark tooth in correct time of crankshaft gear is positioned in the middle of two teeth that have blind hole mark in two correct time on the idle pulley gear.Have on the camshaft gear wheel and identify tooth in correct time that corresponding idle pulley gear in the middle of the tooth of double blinding hole timing marks has a blind hole." Z " tooth that has timing marks on the idle pulley gear is positioned at fuel injection pump gear and has in the middle of two " Z " teeth that identify correct time.
Claims (5)
1. engine timing gear chamber train; Comprise crankshaft gear (1), idle pulley gear (2), camshaft gear wheel (3), fuel injection pump gear (4), oil pump driving gear (5) and vacuum pump gear (6), it is characterized in that crankshaft gear (1) and idle pulley gear (2) mesh and place the below of idle pulley gear; The left side of idle pulley gear and fuel injection pump gear (4) engagement, the below of fuel injection pump gear and vacuum pump gear (6) engagement; The right side of idle pulley gear and camshaft gear wheel (3) engagement; Camshaft gear wheel (3) below and oil pump gear (5) engagement, the helix angle parameter of tooth is all guaranteed unanimity on the normal module of crankshaft gear (1), idle pulley gear (2), camshaft gear wheel (3), fuel injection pump gear (4), oil pump driving gear (5) and vacuum pump gear (6), pressure angle, the calibration cylinder.
2. according to the described a kind of engine timing gear of claim 1 chamber train, the timing marks that it is characterized in that said crankshaft gear (1) is positioned at the center with said idle pulley gear (2) engaged section, and tooth root portion is drilled with a significant blind hole at crankshaft gear (1); The timing marks of idle pulley gear and crankshaft gear engaged section is that tooth root portion is drilled with two significant blind holes.
3. according to the described a kind of engine timing gear of claim 1 chamber train; The timing marks that it is characterized in that said camshaft gear wheel (3) is positioned at the center with said idle pulley gear (2) engaged section, in the tooth root portion of camshaft gear wheel (3), is drilled with two significant blind holes; Idle pulley gear (2) is to be drilled with a significant blind hole with the timing marks of camshaft gear wheel (3) engaged section.
4. according to the described a kind of engine timing gear of claim 1 chamber train, the timing marks that it is characterized in that said fuel injection pump gear (4) is positioned at the center with said idle pulley gear (2) engaged section, is carved with two significant letters in the tooth root portion of fuel injection pump gear; The timing marks of idle pulley gear and fuel injection pump gear engaged section is to be carved with a significant letter.
5. according to the described a kind of engine timing gear of one of claim 1 to 4 chamber train; The number of teeth that it is characterized in that said idle pulley gear (2), fuel injection pump gear (4), (3) three gears of camshaft gear wheel is two times of said crankshaft gear (1) number of teeth; Crankshaft gear rotates a said vacuum pump gear of circle (6) and rotates 39/52 circle, and said oil pump gear (5) rotates 43/52 circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103658993A CN102720585A (en) | 2011-11-17 | 2011-11-17 | Timing gear chamber wheel train of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103658993A CN102720585A (en) | 2011-11-17 | 2011-11-17 | Timing gear chamber wheel train of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102720585A true CN102720585A (en) | 2012-10-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103658993A Pending CN102720585A (en) | 2011-11-17 | 2011-11-17 | Timing gear chamber wheel train of engine |
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| CN (1) | CN102720585A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108036023A (en) * | 2017-11-17 | 2018-05-15 | 无锡开普动力有限公司 | Double high-pressure common-rail fuel pump gear trains |
| CN108223187A (en) * | 2018-03-19 | 2018-06-29 | 安徽全柴动力股份有限公司 | A kind of backgear room with gas oil separation structure |
| CN109027134A (en) * | 2018-10-09 | 2018-12-18 | 广西玉柴机器股份有限公司 | The timing marks structure of engine gear system |
| CN109984789A (en) * | 2017-12-29 | 2019-07-09 | 江苏风和医疗器材股份有限公司 | Transmission component and surgical incision stapler |
| CN112475876A (en) * | 2020-11-26 | 2021-03-12 | 潍柴动力股份有限公司 | Camshaft timing installation method and camshaft timing tool |
| EP4155575A1 (en) * | 2021-09-28 | 2023-03-29 | Safran Transmission Systems | Improved method for manufacturing a mechanical reduction gear for an aircraft turbine engine |
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| CN2402838Y (en) * | 1999-11-06 | 2000-10-25 | 李锡英 | Brake boosting vacuum pump for motor vehicle |
| JP3216006B2 (en) * | 1996-05-28 | 2001-10-09 | 株式会社クボタ | Engine lubrication device |
| JP2004011575A (en) * | 2002-06-10 | 2004-01-15 | Fuji Heavy Ind Ltd | Drive structure of oil pump |
| CN201443449U (en) * | 2009-05-15 | 2010-04-28 | 东风朝阳柴油机有限责任公司 | Transmission mechanism for rail oil transfer pump |
| CN201943838U (en) * | 2011-01-14 | 2011-08-24 | 浙江新柴股份有限公司 | Auxiliary power output gear chamber of diesel engine |
| CN202031707U (en) * | 2011-01-14 | 2011-11-09 | 浙江新柴股份有限公司 | Pump-containing structure device of diesel engine |
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2011
- 2011-11-17 CN CN2011103658993A patent/CN102720585A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3216006B2 (en) * | 1996-05-28 | 2001-10-09 | 株式会社クボタ | Engine lubrication device |
| CN2402838Y (en) * | 1999-11-06 | 2000-10-25 | 李锡英 | Brake boosting vacuum pump for motor vehicle |
| JP2004011575A (en) * | 2002-06-10 | 2004-01-15 | Fuji Heavy Ind Ltd | Drive structure of oil pump |
| CN201443449U (en) * | 2009-05-15 | 2010-04-28 | 东风朝阳柴油机有限责任公司 | Transmission mechanism for rail oil transfer pump |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108036023A (en) * | 2017-11-17 | 2018-05-15 | 无锡开普动力有限公司 | Double high-pressure common-rail fuel pump gear trains |
| CN109984789A (en) * | 2017-12-29 | 2019-07-09 | 江苏风和医疗器材股份有限公司 | Transmission component and surgical incision stapler |
| CN109984789B (en) * | 2017-12-29 | 2021-08-06 | 江苏风和医疗器材股份有限公司 | Transmission assembly and surgical cutting and suturing device |
| CN108223187A (en) * | 2018-03-19 | 2018-06-29 | 安徽全柴动力股份有限公司 | A kind of backgear room with gas oil separation structure |
| CN108223187B (en) * | 2018-03-19 | 2023-09-26 | 安徽全柴动力股份有限公司 | Rear gear chamber with oil-gas separation structure |
| CN109027134A (en) * | 2018-10-09 | 2018-12-18 | 广西玉柴机器股份有限公司 | The timing marks structure of engine gear system |
| CN109027134B (en) * | 2018-10-09 | 2022-03-04 | 广西玉柴机器股份有限公司 | Timing mark structure of engine gear train |
| CN112475876A (en) * | 2020-11-26 | 2021-03-12 | 潍柴动力股份有限公司 | Camshaft timing installation method and camshaft timing tool |
| EP4155575A1 (en) * | 2021-09-28 | 2023-03-29 | Safran Transmission Systems | Improved method for manufacturing a mechanical reduction gear for an aircraft turbine engine |
| FR3127538A1 (en) * | 2021-09-28 | 2023-03-31 | Safran Transmission Systems | Improved method of manufacturing a mechanical reduction gear for an aircraft turbomachine |
| US11686255B2 (en) | 2021-09-28 | 2023-06-27 | Safran Transmission Systems | Method for manufacturing a mechanical reducer for an aircraft turbomachine |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20121010 |