CN105179639A - Double-end-face gear transmission mechanism - Google Patents

Double-end-face gear transmission mechanism Download PDF

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Publication number
CN105179639A
CN105179639A CN201510329753.1A CN201510329753A CN105179639A CN 105179639 A CN105179639 A CN 105179639A CN 201510329753 A CN201510329753 A CN 201510329753A CN 105179639 A CN105179639 A CN 105179639A
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China
Prior art keywords
double
differential
bevel gear
gear
shaft
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CN201510329753.1A
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Chinese (zh)
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邓世平
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Chongqing Technology and Business Institute
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Chongqing Technology and Business Institute
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Priority to CN201510329753.1A priority Critical patent/CN105179639A/en
Publication of CN105179639A publication Critical patent/CN105179639A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H48/00—Differential gearings
    • F16H48/12—Differential gearings without gears having orbital motion

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Retarders (AREA)

Abstract

The invention discloses a double-end-face gear transmission mechanism which comprises an input part, a differential mechanism and two output shafts of two half axle gears corresponding to each other and coaxially fixed to the differential mechanism. The input part and a differential body of the differential mechanism are in transmission connection through two bevel gears in parallel symmetrically and a double-end-face bevel gear meshed with the two bevel gears. By the adoption of the double-end-face gear transmission mechanism, the input part of the transmission mechanism and the differential body of the differential mechanism are in transmission connection through the two bevel gears in parallel symmetrically and the double-end-face bevel gear meshed with the two bevel gears, the axial component force generated by the double-end-face bevel gear is counteracted through the two bevel gears, it can be guaranteed that the differential body is balanced in axial stress, operation of the differential mechanism is facilitated, and the service life is prolonged.

Description

双端面齿轮传动机构Double-end gear transmission mechanism

技术领域technical field

本发明涉及一种机械装置，尤其涉及一种双端面齿轮传动机构。The invention relates to a mechanical device, in particular to a double-face gear transmission mechanism.

背景技术Background technique

差速器常用于车辆中，能够使左、右驱动轮实现以不同转速转动，主要由左右半轴齿轮、两个行星齿轮、外壳、行星轮轴和作为行星架的差速体组成，当汽车转弯行驶或在不平路面上行驶时，使左右车轮以不同转速滚动，即保证两侧驱动车轮作纯滚动运动，在四轮驱动时，还需要加入中间差速器用以调整前后轮的转速差，现有技术中差速器的差速体与输入轴之间一般通过一个锥齿轮副传动连接，而受到齿轮副的压力角的影响，锥齿轮副的从动轮会受到轴向推力，并将该力传递给差速体，导致差速体轴向受力不平衡，不利于差速机构的运转，影响使用寿命。Differentials are often used in vehicles to enable the left and right drive wheels to rotate at different speeds. They are mainly composed of left and right side shaft gears, two planetary gears, casings, planetary wheel shafts and a differential body as a planetary carrier. When the car turns When driving or driving on uneven roads, make the left and right wheels roll at different speeds, that is, ensure the pure rolling motion of the driving wheels on both sides. In the prior art, the differential body of the differential and the input shaft are generally connected through a bevel gear pair, and affected by the pressure angle of the gear pair, the driven wheel of the bevel gear pair will receive axial thrust and transfer the force It is transmitted to the differential body, causing the axial force of the differential body to be unbalanced, which is not conducive to the operation of the differential mechanism and affects the service life.

发明内容Contents of the invention

有鉴于此，本发明的目的是提供一种双端面齿轮传动机构，能保证其差速机构的差速体轴向受力平衡，利于差速机构的运转，延长使用寿命。In view of this, the purpose of the present invention is to provide a double-end gear transmission mechanism, which can ensure the axial force balance of the differential body of the differential mechanism, facilitate the operation of the differential mechanism, and prolong the service life.

本发明的双端面齿轮传动机构，包括输入部分、差速机构和一一对应的同轴固定于差速机构的两个半轴齿轮的两个输出轴，所述输入部分与差速机构的差速体之间通过平行对称的两个锥齿轮和与该两锥齿轮啮合的双端面锥齿轮传动连接；The double-end gear transmission mechanism of the present invention includes an input part, a differential mechanism, and two output shafts of two side gears coaxially fixed to the differential mechanism in one-to-one correspondence. The difference between the input part and the differential mechanism is The speed body is connected by two parallel and symmetrical bevel gears and a double-end bevel gear meshed with the two bevel gears;

进一步，所述输入部分包括输入轴和与输入轴平行设置并沿输出轴轴向排列的换向轴；所述换向轴与输入轴之间通过齿轮副传动连接使换向轴与输入轴之间相互反向转动；Further, the input part includes an input shaft and a reversing shaft arranged parallel to the input shaft and arranged axially along the output shaft; the reversing shaft and the input shaft are connected through a gear pair to make the connection between the reversing shaft and the input shaft reverse rotation between each other;

进一步，所述输入轴上同轴固定有第一主动锥齿轮；所述换向轴上同轴固定有第二主动锥齿轮；差速机构的差速体上固定有用于与第一主动锥齿轮和第二主动锥齿轮啮合传动的双端面锥齿轮；Further, a first driving bevel gear is coaxially fixed on the input shaft; a second driving bevel gear is coaxially fixed on the reversing shaft; A double bevel gear meshing with the second driving bevel gear;

进一步，所述输入轴和换向轴均单自由度转动连接于差速机构的外壳。Further, both the input shaft and the reversing shaft are rotationally connected to the housing of the differential mechanism with a single degree of freedom.

本发明的有益效果是：本发明的双端面齿轮传动机构，其输入部分与差速机构的差速体之间通过平行对称的两个锥齿轮和与该两锥齿轮啮合的双端面锥齿轮传动连接，而两个锥齿轮对双端面锥齿轮产生的轴向分力相互抵消，能保证差速体轴向受力平衡，利于差速机构的运转，延长使用寿命。The beneficial effects of the present invention are: in the double-end gear transmission mechanism of the present invention, the input part and the differential body of the differential mechanism are transmitted through two parallel and symmetrical bevel gears and the double-end bevel gear meshed with the two bevel gears. connection, and the axial component forces generated by the two bevel gears on the double-end bevel gear cancel each other, which can ensure the balance of the axial force on the differential body, which is beneficial to the operation of the differential mechanism and prolongs the service life.

附图说明Description of drawings

图1为本发明的结构示意图。Fig. 1 is a structural schematic diagram of the present invention.

具体实施方式Detailed ways

图1为本发明的结构示意图，如图所示：本实施例的双端面齿轮传动机构，包括输入部分、差速机构和一一对应的同轴固定于差速机构的两个半轴齿轮1的两个输出轴2，所述输入部分与差速机构的差速体4之间通过平行对称的两个锥齿轮和与该两锥齿轮啮合的双端面锥齿轮3传动连接，两输出轴2单自由度转动连接于差速机构的外壳5，差速机构的差速体4通过两个输出轴2转动连接于差速机构的外壳5，输入部分与差速机构的差速体4之间通过平行对称的两个锥齿轮和与该两锥齿轮啮合的双端面锥齿轮3传动连接，能保证差速体4轴向受力平衡，利于差速机构的运转，延长使用寿命；双端面锥齿轮3由两个锥齿轮齿部向外同轴固定在一起构成，即双端面锥齿轮3的轴向两侧均设有锥形齿，能够与两个锥齿轮啮合。Fig. 1 is a structural schematic view of the present invention, as shown in the figure: the double-end gear transmission mechanism of this embodiment includes an input part, a differential mechanism and two side gears 1 coaxially fixed to the differential mechanism in one-to-one correspondence The two output shafts 2, the input part and the differential body 4 of the differential mechanism are connected through two parallel symmetrical bevel gears and the double-end bevel gear 3 meshing with the two bevel gears, and the two output shafts 2 The single degree of freedom is rotationally connected to the casing 5 of the differential mechanism, and the differential body 4 of the differential mechanism is connected to the casing 5 of the differential mechanism through two output shafts 2. Between the input part and the differential body 4 of the differential mechanism Through the transmission connection of two parallel and symmetrical bevel gears and the double-end bevel gear 3 meshing with the two bevel gears, the axial force balance of the differential body 4 can be ensured, which is beneficial to the operation of the differential mechanism and prolongs the service life; the double-end bevel gear The gear 3 is composed of two bevel gear teeth coaxially fixed together outwards, that is, both axial sides of the double-end bevel gear 3 are provided with bevel teeth, which can mesh with the two bevel gears.

本实施例中，所述输入部分包括输入轴13和与输入轴13平行设置并沿输出轴2轴向排列的换向轴14；所述换向轴14与输入轴13之间通过齿轮副传动连接使换向轴14与输入轴13之间相互反向转动，依然通过一个输入轴13输入动力，与现有车辆结构相吻合，利于推广应用。In this embodiment, the input part includes an input shaft 13 and a reversing shaft 14 arranged parallel to the input shaft 13 and axially arranged along the output shaft 2; The connection makes the reverse rotation between the reversing shaft 14 and the input shaft 13, and the input power is still input through one input shaft 13, which is consistent with the existing vehicle structure and is beneficial to popularization and application.

本实施例中，所述输入轴13上同轴固定有第一主动锥齿轮15；所述换向轴14上同轴固定有第二主动锥齿轮16；差速机构的差速体4上固定有用于与第一主动锥齿轮15和第二主动锥齿轮16啮合传动的双端面锥齿轮3，第一主动锥齿轮15和第二主动锥齿轮16即是前文所述的平行对称的两个锥齿轮，平行是指该两个锥齿轮轴线平行。In this embodiment, the first driving bevel gear 15 is coaxially fixed on the input shaft 13; the second driving bevel gear 16 is coaxially fixed on the reversing shaft 14; the differential body 4 of the differential mechanism is fixed There is a double-end bevel gear 3 for meshing transmission with the first driving bevel gear 15 and the second driving bevel gear 16. The first driving bevel gear 15 and the second driving bevel gear 16 are the two parallel and symmetrical bevel gears mentioned above. For gears, parallel means that the axes of the two bevel gears are parallel.

本实施例中，所述输入轴13和换向轴14均单自由度转动连接于差速机构的外壳5，整体性好。In this embodiment, the input shaft 13 and the reversing shaft 14 are both rotationally connected to the housing 5 of the differential mechanism with a single degree of freedom, so the integrity is good.

Claims (4)

1.一种双端面齿轮传动机构，其特征在于：包括输入部分、差速机构和一一对应的同轴固定于差速机构的两个半轴齿轮的两个输出轴，所述输入部分与差速机构的差速体之间通过平行对称的两个锥齿轮和与该两锥齿轮啮合的双端面锥齿轮传动连接。1. A double-end gear transmission mechanism, characterized in that: comprise an input part, a differential gear and one-to-one corresponding coaxially fixed two output shafts of two side gears of the differential gear, the input part and The differential bodies of the differential mechanism are connected through two parallel and symmetrical bevel gears and a double bevel gear meshed with the two bevel gears. 2.根据权利要求1所述的双端面齿轮传动机构，其特征在于：所述输入部分包括输入轴和与输入轴平行设置并沿输出轴轴向排列的换向轴；所述换向轴与输入轴之间通过齿轮副传动连接使换向轴与输入轴之间相互反向转动。2. The double-end gear transmission mechanism according to claim 1, characterized in that: the input part comprises an input shaft and a reversing shaft arranged parallel to the input shaft and arranged axially along the output shaft; the reversing shaft and The input shafts are connected through gear pair transmission to make the reverse rotation between the reversing shaft and the input shaft. 3.根据权利要求2所述的双端面齿轮传动机构，其特征在于：所述输入轴上同轴固定有第一主动锥齿轮；所述换向轴上同轴固定有第二主动锥齿轮；差速机构的差速体上固定有用于与第一主动锥齿轮和第二主动锥齿轮啮合传动的双端面锥齿轮。3. The double-end gear transmission mechanism according to claim 2, characterized in that: a first driving bevel gear is coaxially fixed on the input shaft; a second driving bevel gear is coaxially fixed on the reversing shaft; The differential body of the differential mechanism is fixed with a double-end bevel gear for meshing transmission with the first driving bevel gear and the second driving bevel gear. 4.根据权利要求3所述的双端面齿轮传动机构，其特征在于：所述输入轴和换向轴均单自由度转动连接于差速机构的外壳。4. The double-end gear transmission mechanism according to claim 3, characterized in that: the input shaft and the reversing shaft are both rotationally connected to the housing of the differential mechanism with a single degree of freedom.
CN201510329753.1A 2015-06-15 2015-06-15 Double-end-face gear transmission mechanism Pending CN105179639A (en)

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CN201510329753.1A CN105179639A (en) 2015-06-15 2015-06-15 Double-end-face gear transmission mechanism

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3831003A1 (en) * 1987-10-20 1989-05-11 Steyr Daimler Puch Ag Bevel-gear differential for motor vehicles
US20040058773A1 (en) * 2001-04-02 2004-03-25 Porter Fred C. On-demand all-wheel drive system
CN2761915Y (en) * 2004-10-05 2006-03-01 湖南汽车车桥厂 Automobile main speed reducer used for motor bus
WO2008095344A1 (en) * 2007-01-31 2008-08-14 Hong Jiang A kind of split-power final reduction gear
CN201162805Y (en) * 2008-01-25 2008-12-10 一汽山东汽车改装厂 Novel power shunting main reducing gear
CN102425651A (en) * 2011-12-06 2012-04-25 武汉科荣车业有限公司 Four-drive differential mechanism

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3831003A1 (en) * 1987-10-20 1989-05-11 Steyr Daimler Puch Ag Bevel-gear differential for motor vehicles
US20040058773A1 (en) * 2001-04-02 2004-03-25 Porter Fred C. On-demand all-wheel drive system
CN2761915Y (en) * 2004-10-05 2006-03-01 湖南汽车车桥厂 Automobile main speed reducer used for motor bus
WO2008095344A1 (en) * 2007-01-31 2008-08-14 Hong Jiang A kind of split-power final reduction gear
CN201162805Y (en) * 2008-01-25 2008-12-10 一汽山东汽车改装厂 Novel power shunting main reducing gear
CN102425651A (en) * 2011-12-06 2012-04-25 武汉科荣车业有限公司 Four-drive differential mechanism

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Application publication date: 20151223