WO2013020354A1 - 一种v型发动机直列泵齿轮传动结构 - Google Patents

一种v型发动机直列泵齿轮传动结构 Download PDF

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Publication number
WO2013020354A1
WO2013020354A1 PCT/CN2012/000845 CN2012000845W WO2013020354A1 WO 2013020354 A1 WO2013020354 A1 WO 2013020354A1 CN 2012000845 W CN2012000845 W CN 2012000845W WO 2013020354 A1 WO2013020354 A1 WO 2013020354A1
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Prior art keywords
gear
camshaft
line pump
transmission
line
Prior art date
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PCT/CN2012/000845
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English (en)
French (fr)
Inventor
肖亨琳
Original Assignee
无锡开普动力有限公司
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Application filed by 无锡开普动力有限公司 filed Critical 无锡开普动力有限公司
Publication of WO2013020354A1 publication Critical patent/WO2013020354A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/36—Valve-gear or valve arrangements, e.g. lift-valve gear peculiar to machines or engines of specific type other than four-stroke cycle
    • F01L1/42—Valve-gear or valve arrangements, e.g. lift-valve gear peculiar to machines or engines of specific type other than four-stroke cycle for machines or engines characterised by cylinder arrangements, e.g. star or fan
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/026—Gear drive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/06—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M39/00—Arrangements of fuel-injection apparatus with respect to engines; Pump drives adapted to such arrangements
    • F02M39/02—Arrangements of fuel-injection apparatus to facilitate the driving of pumps; Arrangements of fuel-injection pumps; Pump drives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/05—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by internal-combustion engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/002—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for driven by internal combustion engines

Definitions

  • V-type engine in-line pump gear transmission structure V-type engine in-line pump gear transmission structure
  • the invention belongs to the technical field of engines, and in particular relates to a V-type engine in-line pump gear transmission structure.
  • the known V-type engine gear transmission structure transmits power to the idle gear by the crankshaft timing gear, and then transmits the idler gear to the camshaft timing gear, the water pump gear, the in-line pump gear, and the oil pump gear, respectively.
  • the current general transmission structure needs to configure the corresponding idle gear according to the size of the pump, the diameter and position of the camshaft, and then 2 ⁇ 3
  • the idler gear transmits power to the camshaft timing gear and the inline pump gear, respectively, to achieve the same speed of the camshaft and the inline pump.
  • the disadvantage of this transmission structure is that it has a large structure and a large space.
  • the object of the present invention is to overcome the deficiencies in the prior art and provide a V-type engine in-line pump gear transmission structure.
  • the transmission structure is simple, compact and reasonable, and takes up less space, and can realize the constant speed of the camshaft and the in-line pump, and is convenient to install.
  • the drive is reliable.
  • a V-type engine in-line pump gear transmission structure for transmitting power from a crankshaft timing gear to a camshaft timing gear and an in-line pump gear, wherein: the camshaft The timing gear is mounted on the camshaft, the camshaft timing gear is directly meshed with the crankshaft timing gear, and the camshaft transmission gear is simultaneously mounted on the camshaft, and the camshaft transmission gear meshes with the inline pump gear through the idler gear
  • the drive, camshaft drive gear transmits power to the inline pump gear through the idler gear.
  • the camshaft timing gear and the camshaft transmission gear are positioned by the same positioning key attachment mounted on the camshaft.
  • the positioning key uses a semi-circular key or a flat key.
  • the number of teeth of the camshaft drive gear and the inline pump gear are equal.
  • the in-line pump gear is mounted on the in-line pump drive shaft through a pump gear fastening bolt, and a positioning pin is disposed between the in-line pump gear and the in-line pump drive shaft.
  • the camshaft timing gear is mounted on the camshaft by a baffle and a camshaft gear fastening bolt.
  • the idler gear is disposed on a camshaft transmission gear and an inline pump
  • the gear line is connected to the left or right side of the camshaft drive gear and the inline pump gear line.
  • Figure 1 is a cross-sectional view showing a transmission structure of the present invention.
  • Figure 2 is a left side view of Figure 1.
  • the V-type engine in-line pump gear transmission structure is configured to transmit power from the crank timing gear 12 to the camshaft timing gear 11 and the in-line pump gear 1 at a constant speed, and the camshaft is positive.
  • the gear 11 is mounted on the camshaft 13, and the camshaft timing gear 11 is directly meshed with the crankshaft timing gear 12, and the camshaft transmission gear 10 is simultaneously mounted on the camshaft 13, and the camshaft transmission gear 10 is passed through the idler gear 4
  • the in-line pump gear 1 meshes with the transmission, and the camshaft transmission gear 10 transmits power to the in-line pump gear 1 through the idler gear 4.
  • the camshaft timing gear 11 and the camshaft transmission gear 10 are connected and positioned by the same positioning key 8 mounted on the camshaft 13, so that the camshaft timing gear 11 and the camshaft transmission gear 10 are provided.
  • the installation has a relatively correct position, and then the power is transmitted through an idler gear 4, so that the camshaft 13 and the in-line pump can be driven at the same speed, and the in-line pump gear 1 is driven to drive the in-line pump to supply oil according to design requirements; Use a semi-circular key or a flat key.
  • the in-line pump gear 1 is mounted on the in-line pump drive shaft 14 via a pump pin fastening bolt 3, and a positioning pin 2 is disposed between the in-line pump gear 1 and the in-line pump drive shaft 14.
  • the positioning pin 2 and the positioning key 8 are used to ensure the relative relationship between the valve timing of the camshaft 13 and the injection advance angle of the inline pump.
  • the camshaft timing gear 11 is mounted on the camshaft 13 via a baffle 7 and a camshaft gear fastening bolt 9 for securely locking the camshaft timing gear 11 and the camshaft transmission gear 10 to the camshaft 13. , no axial displacement will occur.
  • the camshaft transmission gear 10 and the in-line pump gear 1 have the same number of teeth, so that the camshaft transmission gear 10 and the in-line pump gear 1 having the same number of teeth are driven by one idle gear 4, and the camshaft 13 and the camshaft 13 can be realized.
  • the speed of the inline pump is equal.
  • the invention makes rational use of the space at the top of the crankcase, and sets the in-line pump on the top of the crankcase, from While the camshaft 13 and the inline pump are placed on a line, the camshaft 13 and the inline pump can be at the same speed by adding a suitable idler gear 4.
  • the size of the idler gear 4 depends on the size of the space and the strength of the power to be transmitted.
  • the idle gear 4 can be disposed on the line connecting the camshaft transmission gear 10 and the in-line pump gear 1, or can be disposed on the camshaft.
  • the idle gear 4 is rotatably mounted on the idler shaft 5 via a sleeve, and the idler shaft 5 is firmly locked by the idler shaft fastening bolt 6 On the crankcase.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Gear Transmission (AREA)

Abstract

一种V型发动机直列泵齿轮传动结构，用于将动力从曲轴正时齿轮（12）等速传递至凸轮轴正时齿轮（11）和直列泵齿轮（1），凸轮轴正时齿轮（11）安装在凸轮轴（13）上，凸轮轴正时齿轮（11）与曲轴正时齿轮（12）直接啮合传动，在凸轮轴（13）上同时安装有凸轮轴传动齿轮（10），凸轮轴传动齿轮（10）通过惰齿轮（4）与直列泵齿轮（1）啮合传动，凸轮轴传动齿轮（10）通过惰齿轮（4）将动力传递给直列泵齿轮（1）。这种传动结构能够安装方便，传动可靠。

Description

一种 V型发动机直列泵齿轮传动结构
技术领域
本发明属于发动机技术领域，具体是涉及一种 V型发动机直列泵齿轮传 动结构。
背景技术
目前，公知的 V型发动机齿轮传动结构是由曲轴正时齿轮将动力传给惰 齿轮， 然后由惰齿轮分别传给凸轮轴正时齿轮、 水泵齿轮、 直列泵齿轮和机 油泵齿轮等。
由于一般的凸轮轴及直列泵转速要求相等， 为实现转速相等的目的， 目 前一般的传动结构都需要根据泵的大小、 凸轮轴的直径和位置来配置相应的 惰齿轮， 再由 2〜3个惰齿轮将动力分别传给凸轮轴正时齿轮和直列泵齿轮， 以实现凸轮轴和直列泵转速相等的目的。 这种传动结构的缺点是结构庞大、 占用空间多。
发明内容
本发明的目的在于克服现有技术中存在的不足，提供一种 V型发动机直 列泵齿轮传动结构， 该传动结构简单紧凑合理， 占用空间少， 可实现凸轮轴 和直列泵等速， 安装方便， 传动可靠。
按照本发明提供的技术方案： 一种 V型发动机直列泵齿轮传动结构， 用 于将动力从曲轴正时齿轮等速传递至凸轮轴正时齿轮和直列泵齿轮， 其特征 在于： 所述凸轮轴正时齿轮安装在凸轮轴上， 凸轮轴正时齿轮与曲轴正时齿 轮直接啮合传动， 在凸轮轴上同时安装有凸轮轴传动齿轮， 凸轮轴传动齿轮 通过惰齿轮与所述的直列泵齿轮啮合传动， 凸轮轴传动齿轮通过惰齿轮将动 力传递给直列泵齿轮。
作为本发明的进一步改进， 所述凸轮轴正时齿轮和凸轮轴传动齿轮由安 装在凸轮轴上的同一个定位键连接定位。 该定位键采用半圆键或平键。
作为本发明的进一步改进， 所述凸轮轴传动齿轮和直列泵齿轮的齿数相 等。
作为本发明的进一步改进， 所述直列泵齿轮通过泵齿轮紧固螺栓安装在 直列泵传动轴上， 直列泵齿轮与直列泵传动轴之间设有定位销。
作为本发明的进一步改进， 所述凸轮轴正时齿轮通过挡板和凸轮轴齿轮 紧固螺栓安装在凸轮轴上。
作为本发明的进一步改进， 所述惰齿轮设置在凸轮轴传动齿轮和直列泵 齿轮的连线上或设置在凸轮轴传动齿轮和直列泵齿轮连线的左侧或右侧。 本发明与现有技术相比， 优点在于： 本发明的传动结构简单紧凑合理， 占用空间少， 可实现凸轮轴和直列泵等速， 安装方便， 传动可靠。
附图说明
图 1为本发明的传动结构剖视图。
图 2为图 1的左视图。
附图标记说明： 1一直列泵齿轮、 2—定位销、 3—泵齿轮紧固螺栓、 4~ 惰齿轮、 5—惰齿轮轴、 6~惰齿轮紧固螺栓、 7—挡板、 8—定位键、 9一凸轮 轴齿轮紧固螺栓、 10—凸轮轴传动齿轮、 11一凸轮轴正时齿轮、 12—曲轴正 时齿轮、 13—凸轮轴、 14~直列泵传动轴。
具体实施方式
下面结合具体附图和实施例对本发明作进一步说明。
如图 1、 图 2所示， 所述 V型发动机直列泵齿轮传动结构用于将动力从 曲轴正时齿轮 12等速传递至凸轮轴正时齿轮 11和直列泵齿轮 1， 所述凸轮 轴正时齿轮 11安装在凸轮轴 13上， 凸轮轴正时齿轮 11与曲轴正时齿轮 12 直接啮合传动， 在凸轮轴 13上同时安装有凸轮轴传动齿轮 10， 凸轮轴传动 齿轮 10通过惰齿轮 4与所述的直列泵齿轮 1啮合传动， 凸轮轴传动齿轮 10 通过惰齿轮 4将动力传递给直列泵齿轮 1。
如图 1所示， 所述凸轮轴正时齿轮 11和凸轮轴传动齿轮 10由安装在凸 轮轴 13上的同一个定位键 8连接定位， 以使凸轮轴正时齿轮 11与凸轮轴传 动齿轮 10安装时有一个相对正确位置，然后通过一个惰齿轮 4传递动力，可 以使凸轮轴 13与直列泵同速传动，并保证直列泵齿轮 1带动直列泵按设计要 求供油； 所述定位键 8可以采用半圆键或平键。 所述直列泵齿轮 1通过泵齿 轮紧固螺栓 3安装在直列泵传动轴 14上， 直列泵齿轮 1与直列泵传动轴 14 之间设有定位销 2。该定位销 2与所述定位键 8用于保证凸轮轴 13配气相位 和直列泵喷油提前角的相对关系。所述凸轮轴正时齿轮 11通过挡板 7和凸轮 轴齿轮紧固螺栓 9安装在凸轮轴 13上， 用于使凸轮轴正时齿轮 11和凸轮轴 传动齿轮 10牢固锁紧在凸轮轴 13上， 不会产生轴向位移。
如图 1所示，所述凸轮轴传动齿轮 10和直列泵齿轮 1的齿数相等，这样， 齿数相等的凸轮轴传动齿轮 10和直列泵齿轮 1通过一个惰齿轮 4传动，可实 现凸轮轴 13和直列泵的转速相等。
本发明合理利用了曲轴箱顶部的空间， 将直列泵设置于曲轴箱顶部， 从 而将凸轮轴 13和直列泵设置于一条线上，只要加一个合适的惰齿轮 4就可以 实现凸轮轴 13和直列泵同速。惰齿轮 4的大小取决于该处的空间大小和需要 传递动力的强弱，所述的惰齿轮 4可以设置在凸轮轴传动齿轮 10和直列泵齿 轮 1的连线上，也可以设置在凸轮轴传动齿轮 10和直列泵齿轮 1连线的左侧 或右侧； 惰齿轮 4通过轴套可转动地安装在惰齿轮轴 5上， 惰齿轮轴 5用惰 齿轮轴紧固螺栓 6牢固锁紧在曲轴箱上。

Claims

权 利 要 求 书
1、 一种 V型发动机直列泵齿轮传动结构， 用于将动力从曲轴正时齿轮 (12)等速传递至凸轮轴正时齿轮 （11)和直列泵齿轮 （1)， 其特征在于： 所述凸轮轴正时齿轮 （11) 安装在凸轮轴 （13) 上， 凸轮轴正时齿轮 （11) 与曲轴正时齿轮 （12)直接啮合传动， 在凸轮轴 （13) 上同时安装有凸轮轴 传动齿轮 （10)， 凸轮轴传动齿轮（10)通过惰齿轮 （4) 与所述的直列泵齿 轮（1) 啮合传动， 凸轮轴传动齿轮 （10)通过惰齿轮（4) 将动力传递给直 列泵齿轮 （1)。
2、如权利要求 1所述的直列泵齿轮传动结构，其特征在于：所述凸轮轴 正时齿轮（11)和凸轮轴传动齿轮（10) 由安装在凸轮轴 （13) 上的同一个 定位键（8)连接定位。
3、如权利要求 1所述的直列泵齿轮传动结构，其特征在于：所述凸轮轴 传动齿轮 （10) 和直列泵齿轮（1) 的齿数相等。
4、如权利要求 1所述的直列泵齿轮传动结构，其特征在于：所述直列泵 齿轮 （1)通过泵齿轮紧固螺栓 （3) 安装在直列泵传动轴 （14) 上， 直列泵 齿轮 （1)与直列泵传动轴（14)之间设有定位销 （2)。
5、如权利要求 1所述的直列泵齿轮传动结构，其特征在于：所述凸轮轴 正时齿轮（11)通过挡板（7)和凸轮轴齿轮紧固螺栓（9)安装在凸轮轴（13) 上。
6、如权利要求 1所述的直列泵齿轮传动结构，其特征在于： 所述惰齿轮 (4) 设置在凸轮轴传动齿轮（10)和直列泵齿轮 （1) 的连线上或设置在凸 轮轴传动齿轮 （10) 和直列泵齿轮 （1)连线的左侧或右侧。
7、如权利要求 1所述的直列泵齿轮传动结构，其特征在于：所述惰齿轮 (4)通过轴套可转动地安装在惰齿轮轴（5)上， 惰齿轮轴（5)用惰齿轮轴 紧固螺栓 （6) 牢固锁紧在曲轴箱上。
8、如权利要求 2所述的直列泵齿轮传动结构，其特征在于：所述定位键 (8)采用半圆键或平键。
PCT/CN2012/000845 2011-08-05 2012-06-18 一种v型发动机直列泵齿轮传动结构 WO2013020354A1 (zh)

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CN102330599B (zh) * 2011-08-05 2012-10-31 无锡开普动力有限公司 一种v型发动机直列泵齿轮传动结构
US8689750B2 (en) * 2012-02-14 2014-04-08 Eaton Corporation Camshaft phasing device
CN107191267B (zh) * 2017-07-13 2023-05-26 广西玉柴机器股份有限公司 齿轮室
CN109861455B (zh) * 2019-04-10 2024-04-16 广西玉柴机器股份有限公司 发动机的磁感应发电机结构
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