CN102061955A - Timing wheel train of engine - Google Patents
Timing wheel train of engine Download PDFInfo
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- CN102061955A CN102061955A CN 201110029472 CN201110029472A CN102061955A CN 102061955 A CN102061955 A CN 102061955A CN 201110029472 CN201110029472 CN 201110029472 CN 201110029472 A CN201110029472 A CN 201110029472A CN 102061955 A CN102061955 A CN 102061955A
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- gear
- timing
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- lateral balance
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- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000003754 machining Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
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- 238000005516 engineering process Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The invention discloses a timing wheel train of an engine, which is provided with two balance shafts, i.e. an inlet-side balance shaft and an exhaust-side balance shaft, wherein an idler wheel of the inlet-side balance shaft is arranged on the inlet-side balance shaft and comprises a straight gear (3) and a bevel gear (6)which are duplicate gears; a gear (1) of the exhaust-side balance shaft is arranged on the exhaust-side balance shaft; a timing system of the engine is provided with a balance shaft driving gear (5); and the balance shaft driving gear (5), the straight gear (3) of the idler wheel of the inlet-side balance shaft and the gear (1) of the exhaust-side balance shaft are in transmission connection through a timing chain (4). By adopting the technical scheme, the invention has the advantages of reliable and stable transmission, low noise of the timing system, compact structure, little space occupation, arrangement space saving, difficulty reduction of integral arrangement, simplicity in machining, assembly and removal and convenience of maintenance.
Description
Technical field
The invention belongs to the technical field of automobile construction, relate to the technology of motor car engine, more particularly, the present invention relates to a kind of timing train of motor.
Background technique
Along with the development of society, people are more and more higher to the travelling comfort requirement of automobile, but the vibration of motor directly influences the vibration of vehicle, thereby influence its reliability and travelling comfort.
At present, be furnished with a trunnion shaft on the motor that has, reduced engine vibration to a certain extent, but the layout of train has increased difficulty for the transmission of trunnion shaft and when aligning in limited space.
The timing train that has trunnion shaft generally all increase the timing arrangement space in order better to arrange, the consequence that causes is to strengthen the size of motor, increases engine weight, is unfavorable for the layout on car load.
Summary of the invention
Problem to be solved by this invention provides a kind of timing train of motor, its objective is the stationarity that improves engine timing system, and structural configuration is more reasonable.
To achieve these goals, the technological scheme taked of the present invention is:
The timing train of motor provided by the present invention, be arranged on the engine cylinder-body front-end face, comprise timing actuation gear, timing chain, the timing train of described motor is established two trunnion shafves, be air inlet lateral balance axle and exhaust side trunnion shaft, on air inlet lateral balance axle, establish air inlet lateral balance axis helical teeth wheel, establish air inlet lateral balance axle idle pulley in described air inlet side and drive air inlet lateral balance axle, described air inlet lateral balance axle idle pulley comprises air inlet lateral balance axle idle pulley spur gear and air inlet lateral balance axle idle pulley helical gear, and these two gears are duplicate gear; On described exhaust side trunnion shaft, establish the exhaust side balance shaft gear; The timing train of described motor is provided with the trunnion shaft actuation gear; Described trunnion shaft actuation gear, air inlet lateral balance axle idle pulley spur gear and exhaust side balance shaft gear are in transmission connection by described timing chain.
Described timing actuation gear is coaxial nest of fixedlying connected with the trunnion shaft actuation gear.
Described nest is provided with Oil pump drive gear.
Timing actuation gear on the described nest, trunnion shaft actuation gear and Oil pump drive gear are spur gear.
Described air inlet lateral balance axle idle pulley helical gear and the engagement of air inlet lateral balance axis helical teeth wheel.
Train by described timing chain transmission is positioned at the most inboard of the close motor of whole train.
Described timing chain is a silenet chain.
The present invention adopts technique scheme, makes timing system reliable transmission, stable, noise-decreasing; Compact structure, shared space is little, saves arrangement space.Reduce complete machine and arrange difficulty; Process simultaneously, assemble and dismantle fairly simple, be convenient to the maintenance.
Description of drawings
Below expressed content of each width of cloth accompanying drawing of this specification and the mark among the figure are made brief description:
Fig. 1 is the layout schematic representation of timing train among the present invention;
Fig. 2 is the schematic perspective view of structure shown in Figure 1.
Be labeled as among the figure:
1, exhaust side balance shaft gear, 2, air inlet lateral balance axis helical teeth wheel, 3, air inlet lateral balance axle idle pulley spur gear, 4, timing chain, 5, trunnion shaft actuation gear (being integrated with timing actuation gear and Oil pump drive gear), 6, air inlet lateral balance axle idle pulley helical gear, 7, the timing actuation gear, 8, Oil pump drive gear.
Embodiment
Contrast accompanying drawing below, by description to embodiment, to effect and working principle, the manufacturing process of the mutual alignment between the shape of the specific embodiment of the present invention such as related each member, structure, the each several part and annexation, each several part and manipulate method etc., be described in further detail, inventive concept of the present invention, technological scheme had more complete, accurate and deep understanding to help those skilled in the art.
The of the present invention structure expressed as Fig. 1, Fig. 2, the timing train for a kind of motor is arranged on the engine cylinder-body front-end face, comprises timing actuation gear 7, timing chain 4, camshaft drive gear.
According to the kinematics analysis of motor as can be known, the balance of two-stage reciprocating inertia force is the key that solves the engine luggine problem, is the effective measure of the two-stage reciprocating inertia force of balanced engine and adopt the double balance shaft system.
In order to solve the problem that exists at the described present known technology of this specification background technique part and to overcome its defective, realize improving the stationarity of engine timing system, and the rational more goal of the invention of structural configuration, the technological scheme that the present invention takes is:
The timing train of motor provided by the present invention, the timing train of described motor is established two trunnion shafves, be air inlet lateral balance axle and exhaust side trunnion shaft, on air inlet lateral balance axle, establish air inlet lateral balance axis helical teeth wheel 2, establish air inlet lateral balance axle idle pulley in described air inlet side and drive air inlet lateral balance axle, described air inlet lateral balance axle idle pulley comprises air inlet lateral balance axle idle pulley spur gear 3 and air inlet lateral balance axle idle pulley helical gear 6, and these two gears are duplicate gear; On described exhaust side trunnion shaft, establish exhaust side balance shaft gear 1; The timing train of described motor is provided with trunnion shaft actuation gear 5; Described trunnion shaft actuation gear 5, air inlet lateral balance axle idle pulley spur gear 3 and exhaust side balance shaft gear 1 are in transmission connection by described timing chain 4.
Advantage of the present invention is to save arrangement space, processing, simple, the noise-decreasing of assembling, and reliable transmission is stable.
Described air inlet lateral balance axle idle pulley is two duplicate gears that gear integrates, one end is an air inlet lateral balance axle idle pulley helical gear 6, be used for and 2 engagements of air inlet lateral balance axis helical teeth wheel, the other end is an air inlet lateral balance axle idle pulley spur gear 3, is used for and timing chain 4 engagements.
Described exhaust side balance shaft gear 1 is a spur gear, is used for and timing chain 4 engagements.
Described timing actuation gear 7 is coaxial nest of fixedlying connected with trunnion shaft actuation gear 5.
Described nest is provided with Oil pump drive gear 8.
Described air inlet lateral balance axle idle pulley helical gear 6 and 2 engagements of air inlet lateral balance axis helical teeth wheel.Described air inlet lateral balance axis helical teeth wheel 2 is and the identical helical gear of described air inlet lateral balance axle idle pulley helical gear 6 helix angles.
Described timing chain 4 is a silenet chain.
Train by described timing chain 4 transmissions is positioned at the most inboard of the close motor of whole train.
Described exhaust side balance shaft gear 1, air inlet lateral balance axle idle pulley spur gear 3, trunnion shaft actuation gear 5 are in a plane, by silenet chain is that timing chain 4 links together, from motor head backward, this drive train is positioned at the most inboard of whole train.
In addition, the present invention also comprises camshaft timing train and oil pump drive train, lays respectively at the outside of trunnion shaft train, so, from motor head, be trunnion shaft drive train, camshaft timing train, oil pump drive train from the inside to surface successively.Chain between exhaust side balance shaft gear and trunnion shaft actuation gear is furnished with guide rail and stretcher, and the chain between any two-wheeled of this cover train all is furnished with guide rail.
In conjunction with the accompanying drawings the present invention has been carried out exemplary description above; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technological scheme carry out; or design of the present invention and technological scheme are directly applied to other occasion without improving, all within protection scope of the present invention.
Claims (7)
1. the timing train of a motor, be arranged on the engine cylinder-body front-end face, comprise timing actuation gear (7), timing chain (4), it is characterized in that: the timing train of described motor is established two trunnion shafves, be air inlet lateral balance axle and exhaust side trunnion shaft, on air inlet lateral balance axle, establish air inlet lateral balance axis helical teeth wheel (2), establish air inlet lateral balance axle idle pulley in described air inlet side and drive air inlet lateral balance axle, described air inlet lateral balance axle idle pulley comprises air inlet lateral balance axle idle pulley spur gear (3) and air inlet lateral balance axle idle pulley helical gear (6), and these two gears are duplicate gear; On described exhaust side trunnion shaft, establish exhaust side balance shaft gear (1); The timing train of described motor is provided with trunnion shaft actuation gear (5); Described trunnion shaft actuation gear (5), air inlet lateral balance axle idle pulley spur gear (3) and exhaust side balance shaft gear (1) are in transmission connection by described timing chain (4).
2. according to the timing train of the described motor of claim 1, it is characterized in that: described timing actuation gear (7) is coaxial nest of fixedlying connected with trunnion shaft actuation gear (5).
3. according to the timing train of the described motor of claim 2, it is characterized in that: described nest is provided with Oil pump drive gear (8).
4. according to the timing train of the described motor of claim 1, it is characterized in that: the timing actuation gear (7) on the described nest, trunnion shaft actuation gear (5) and Oil pump drive gear (8) are spur gear.
5. according to the timing train of the described motor of claim 1, it is characterized in that: described air inlet lateral balance axle idle pulley helical gear (6) and air inlet lateral balance axis helical teeth wheel (2) engagement.
6. according to the timing train of the described motor of claim 1, it is characterized in that: the train by described timing chain (4) transmission is positioned at the most inboard of the close motor of whole train.
7. according to the timing train of the described motor of claim 1, it is characterized in that: described timing chain (4) is a silenet chain.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201110029472 CN102061955A (en) | 2011-01-27 | 2011-01-27 | Timing wheel train of engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201110029472 CN102061955A (en) | 2011-01-27 | 2011-01-27 | Timing wheel train of engine |
Publications (1)
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CN102061955A true CN102061955A (en) | 2011-05-18 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 201110029472 Pending CN102061955A (en) | 2011-01-27 | 2011-01-27 | Timing wheel train of engine |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102337965A (en) * | 2011-09-29 | 2012-02-01 | 安徽江淮汽车股份有限公司 | Timing gear transmission mechanism of common rail diesel engine |
CN102518512A (en) * | 2011-12-19 | 2012-06-27 | 奇瑞汽车股份有限公司 | Transmission structure of oil pump |
CN103790664A (en) * | 2014-02-25 | 2014-05-14 | 奇瑞汽车股份有限公司 | Engine timing driving system with double balanced shafts |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6959682B2 (en) * | 2002-09-05 | 2005-11-01 | General Motors Corporation | Engine balancer with chain drive vibration isolation |
CN1704571A (en) * | 2004-06-03 | 2005-12-07 | 四川省眉山市东升齿轮有限公司 | Dynamic balancing device of petrol engine with four cylinders and sixteen valves |
CN201116476Y (en) * | 2007-06-07 | 2008-09-17 | 奇瑞汽车股份有限公司 | Timing strap system for drive balance shaft system |
-
2011
- 2011-01-27 CN CN 201110029472 patent/CN102061955A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6959682B2 (en) * | 2002-09-05 | 2005-11-01 | General Motors Corporation | Engine balancer with chain drive vibration isolation |
CN1704571A (en) * | 2004-06-03 | 2005-12-07 | 四川省眉山市东升齿轮有限公司 | Dynamic balancing device of petrol engine with four cylinders and sixteen valves |
CN201116476Y (en) * | 2007-06-07 | 2008-09-17 | 奇瑞汽车股份有限公司 | Timing strap system for drive balance shaft system |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102337965A (en) * | 2011-09-29 | 2012-02-01 | 安徽江淮汽车股份有限公司 | Timing gear transmission mechanism of common rail diesel engine |
CN102518512A (en) * | 2011-12-19 | 2012-06-27 | 奇瑞汽车股份有限公司 | Transmission structure of oil pump |
CN103790664A (en) * | 2014-02-25 | 2014-05-14 | 奇瑞汽车股份有限公司 | Engine timing driving system with double balanced shafts |
CN103790664B (en) * | 2014-02-25 | 2016-08-17 | 奇瑞汽车股份有限公司 | A kind of engine correct-timing drive system with double balance shaft |
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Application publication date: 20110518 |