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CN114683767A - Narrow wheel-pitch front drive axle of medium-horsepower gardening tractor - Google Patents

Narrow wheel-pitch front drive axle of medium-horsepower gardening tractor Download PDF

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Publication number
CN114683767A
CN114683767A CN202011633197.4A CN202011633197A CN114683767A CN 114683767 A CN114683767 A CN 114683767A CN 202011633197 A CN202011633197 A CN 202011633197A CN 114683767 A CN114683767 A CN 114683767A
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CN
China
Prior art keywords
gear
transmission
transmission shaft
shaft
horsepower
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Pending
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CN202011633197.4A
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Chinese (zh)
Inventor
吴雁南
吴长荣
彭倚天
宋弈
徐洋
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YANCHENG RONGNAN MACHINERY MANUFACTURING CO LTD
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YANCHENG RONGNAN MACHINERY MANUFACTURING CO LTD
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Priority to CN202011633197.4A priority Critical patent/CN114683767A/en
Publication of CN114683767A publication Critical patent/CN114683767A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
    • B60B35/12—Torque-transmitting axles
    • B60B35/121—Power-transmission from drive shaft to hub
    • B60B35/122—Power-transmission from drive shaft to hub using gearings
    • B60B35/125—Power-transmission from drive shaft to hub using gearings of the planetary type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing
    • B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of differential gearing
    • B60K17/165—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of differential gearing provided between independent half axles
    • 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
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F16H37/0806—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with a plurality of driving or driven shafts
    • F16H37/0813—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with a plurality of driving or driven shafts with only one input shaft
    • F16H37/082—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with a plurality of driving or driven shafts with only one input shaft and additional planetary reduction gears

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Gear Transmission (AREA)

Abstract

The invention discloses a narrow-wheel-pitch front drive axle of a medium-horsepower gardening tractor, which comprises a first drive shaft, a second drive shaft, an input bevel gear, an output bevel gear, a pivoting assembly and a drive mechanism, wherein the input shaft is provided with the drive mechanism for driving the input shaft to rotate, the input shaft is coaxially arranged with the input bevel gear and is fixedly connected with the input bevel gear, the input bevel gear is meshed with the output bevel gear, the output bevel gear is sleeved on the first drive shaft or the second drive shaft and is fixedly connected with the first drive shaft or the second drive shaft, and the first drive shaft and the second drive shaft are connected through the pivoting assembly.

Description

中马力园艺拖拉机窄轮距前驱动桥Narrow wheel base front drive axle for medium horsepower garden tractor

技术领域technical field

本发明涉及减速机构技术领域，具体而言，涉及一种中马力园艺拖拉机窄轮距前驱动桥。The invention relates to the technical field of speed reduction mechanisms, in particular to a narrow wheel base front drive axle of a medium-horsepower garden tractor.

背景技术Background technique

中马力园艺拖拉机是应市场要求而生，要求转弯半径小，通过能力强。目前市场上此类拖拉机采用的前桥主要是锥齿轮三级式传动的结构，具有体积庞大，转弯半径大，通过性很差等缺点。The medium-horsepower garden tractor was born in response to market requirements, requiring a small turning radius and strong passing ability. At present, the front axle used by this type of tractor on the market is mainly a bevel gear three-stage transmission structure, which has the disadvantages of large volume, large turning radius and poor passability.

发明内容SUMMARY OF THE INVENTION

本发明旨在一定程度上解决上述技术问题。The present invention aims to solve the above technical problems to a certain extent.

有鉴于此，本发明提供了一种中马力园艺拖拉机窄轮距前驱动桥，该中马力园艺拖拉机窄轮距前驱动桥承载能力有较大的提高，且转弯半径小，通过性很好。In view of this, the present invention provides a narrow wheel base front drive axle of a medium-horsepower garden tractor, the medium-horsepower garden tractor narrow wheel base front drive axle has greatly improved bearing capacity, small turning radius, and good passability.

为了解决上述技术问题，本发明提供了一种中马力园艺拖拉机窄轮距前驱动桥，包括第一传动轴、第二传动轴、输入轴、输入伞齿轮、输出伞齿轮、枢转组件和驱动机构，所述输入轴设有驱动其旋转的所述驱动机构，所述输入轴与所述输入伞齿轮同轴设置并且与所述输入伞齿轮固定连接，所述输入伞齿轮啮合所述输出伞齿轮，所述输出伞齿轮套设在所述第一传动轴或所述第二传动轴上，并与所述第一传动轴或所述第二传动轴固定连接，所述第一传动轴和所述第二传动轴通过所述枢转组件连接。In order to solve the above technical problems, the present invention provides a narrow wheel base front drive axle of a medium-horsepower garden tractor, comprising a first transmission shaft, a second transmission shaft, an input shaft, an input bevel gear, an output bevel gear, a pivot assembly and a drive The input shaft is provided with the drive mechanism that drives the rotation of the input shaft, the input shaft is coaxially arranged with the input bevel gear and is fixedly connected with the input bevel gear, and the input bevel gear meshes with the output bevel gear. gear, the output bevel gear is sleeved on the first transmission shaft or the second transmission shaft, and is fixedly connected with the first transmission shaft or the second transmission shaft, the first transmission shaft and The second transmission shaft is connected by the pivot assembly.

进一步，所述枢转组件包括第一传动齿轮、第二传动齿轮和至少一个行星轮，所述第一传动轴与所述第一传动齿轮同轴设置并且与所述第一传动齿轮固定连接，所述第二传动轴与所述第二传动齿轮同轴设置并且与所述第二传动齿轮固定连接，多个所述行星轮环设在所述第一传动齿轮和所述第二传动齿轮之间，且与所述第一传动齿轮和所述第二传动齿轮之间啮合设置。Further, the pivot assembly includes a first transmission gear, a second transmission gear and at least one planetary gear, the first transmission shaft is coaxially arranged with the first transmission gear and is fixedly connected with the first transmission gear, The second transmission shaft is arranged coaxially with the second transmission gear and is fixedly connected with the second transmission gear, and a plurality of the planetary gear rings are arranged between the first transmission gear and the second transmission gear. and is meshed with the first transmission gear and the second transmission gear.

进一步，所述齿轮骨架固定在所述第一传动轴上，多个所述行星轮与所述齿轮骨架转动连接。Further, the gear skeleton is fixed on the first transmission shaft, and a plurality of the planetary gears are rotatably connected with the gear skeleton.

进一步，所述输入伞齿轮和所述输出伞齿轮的中心轴线互相垂直设置。Further, the central axes of the input bevel gear and the output bevel gear are arranged perpendicular to each other.

进一步，所述第一传动齿轮和所述第二传动齿轮之间设有垫球。Further, a pad ball is arranged between the first transmission gear and the second transmission gear.

进一步，所述行星轮有3个，3个所述行星轮等距离设置。Further, there are three planetary gears, and the three planetary gears are arranged at equal distances.

进一步，所述第一传动轴和所述第二传动轴均设有驱动其转动的减速机构。Further, both the first transmission shaft and the second transmission shaft are provided with a deceleration mechanism that drives them to rotate.

进一步，所述减速机构包括驱动装置、太阳齿轮、多个行星转动轮、行星齿轮架、多角连接架和输出轴，所述驱动装置驱动所述太阳齿轮旋转，所述太阳齿轮啮合多个行星转动轮并且带动多个行星转动轮沿所述行星齿轮架转动，多个所述行星转动轮通过所述多角连接架连接第一传动轴。Further, the speed reduction mechanism includes a driving device, a sun gear, a plurality of planetary rotating wheels, a planetary gear carrier, a polygonal connecting frame and an output shaft, the driving device drives the sun gear to rotate, and the sun gear meshes with the plurality of planets to rotate The wheel drives a plurality of planetary rotating wheels to rotate along the planetary gear carrier, and the plurality of the planetary rotating wheels are connected to the first transmission shaft through the polygonal connection frame.

进一步，所述太阳齿轮与所述行星齿轮架之间设有多个辅助轮。Further, a plurality of auxiliary gears are arranged between the sun gear and the planetary gear carrier.

进一步，所述第一传动轴和所述第二传动轴外设有保护壳体。Further, a protective casing is provided outside the first transmission shaft and the second transmission shaft.

本发明的技术效果在于：(1)驱动机构带动输入伞齿轮转动，输入伞齿轮和输出伞齿轮相啮合设置以带动输出伞齿轮转动，输出伞齿轮套设在第一传动轴或第二传动轴上，以带动第一传动轴和第二传动轴转动，改善了减速器的性能，具有较高的传动速比和传动效率，实现较大的动力输出。The technical effects of the present invention are: (1) the drive mechanism drives the input bevel gear to rotate, the input bevel gear and the output bevel gear are meshed and arranged to drive the output bevel gear to rotate, and the output bevel gear is sleeved on the first transmission shaft or the second transmission shaft It drives the first transmission shaft and the second transmission shaft to rotate, improves the performance of the reducer, has a higher transmission speed ratio and transmission efficiency, and achieves a larger power output.

(2)第一传动齿轮和第二传动齿轮在多个行星轮的协同作用下，调整第一传动轴和第二传动轴之间的相对位置，进而调整前后轮的转速差，实现拖拉机曲线行驶旋转速度基本一致性。(2) The first transmission gear and the second transmission gear adjust the relative position between the first transmission shaft and the second transmission shaft under the synergistic action of multiple planetary gears, and then adjust the speed difference between the front and rear wheels, so as to realize the curve driving of the tractor The rotation speed is basically the same.

附图说明Description of drawings

图1是根据本发明的一种中马力园艺拖拉机窄轮距前驱动桥的主视图；1 is a front view of a narrow wheel base front drive axle of a medium-horsepower garden tractor according to the present invention;

图2是根据本发明的一种中马力园艺拖拉机窄轮距前驱动桥的俯视图；2 is a top view of a narrow wheel base front drive axle of a medium-horsepower garden tractor according to the present invention;

图3是根据本发明的一种中马力园艺拖拉机窄轮距前驱动桥的左视图；3 is a left side view of a narrow wheel base front drive axle of a medium-horsepower garden tractor according to the present invention;

图4是根据本发明的一种中马力园艺拖拉机窄轮距前驱动桥的内部结构示意图；4 is a schematic diagram of the internal structure of a narrow wheelbase front drive axle of a medium-horsepower garden tractor according to the present invention;

图5是根据本发明的一种中马力园艺拖拉机窄轮距前驱动桥的枢转组件的结构示意图；5 is a schematic structural diagram of a pivot assembly of a narrow wheel base front drive axle of a medium-horsepower garden tractor according to the present invention;

图6是根据本发明的输入伞齿轮和输出伞齿轮的位置关系示意图；6 is a schematic diagram of the positional relationship between an input bevel gear and an output bevel gear according to the present invention;

图7是根据本发明的一种中马力园艺拖拉机窄轮距前驱动桥的减速机构的结构示意图。FIG. 7 is a schematic structural diagram of a deceleration mechanism of a narrow wheel base front drive axle of a medium-horsepower garden tractor according to the present invention.

其中，1-第一传动轴；2-第二传动轴；3-输入轴；4-输入伞齿轮；5-输出伞齿轮；6-枢转组件；8-减速机构；9-转动轮；10-保护壳体；61-第一传动齿轮；62-第二传动齿轮；63-行星轮；64-齿轮骨架；82-太阳齿轮；83-行星转动轮；84-行星齿轮架；85-多角连接架；86-输出轴；87-辅助轮。Wherein, 1-first transmission shaft; 2-second transmission shaft; 3-input shaft; 4-input bevel gear; 5-output bevel gear; 6-pivot assembly; 8-reduction mechanism; 9-rotating wheel; 10 -Protection shell; 61-first transmission gear; 62-second transmission gear; 63-planet gear; 64-gear skeleton; 82-sun gear; 83-planet rotating wheel; 84-planet gear carrier; 85-polygonal connection frame; 86-output shaft; 87-auxiliary wheel.

具体实施方式Detailed ways

下面结合附图和具体实施例对本发明作进一步说明，以使本领域的技术人员可以更好的理解本发明并能予以实施，但所举实施例不作为对本发明的限定。The present invention is further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

如图4和图6所示，一种中马力园艺拖拉机窄轮距前驱动桥，包括第一传动轴1、第二传动轴2、输入轴3、输入伞齿轮4、输出伞齿轮5、枢转组件6和驱动机构，输入轴3设有驱动其旋转的驱动机构，输入轴3与输入伞齿轮4同轴设置并且与输入伞齿轮4固定连接，输入伞齿轮4啮合输出伞齿轮5，输出伞齿轮5套设在第一传动轴1或第二传动轴2上，并与第一传动轴1或第二传动轴2固定连接，第一传动轴1和第二传动轴2通过枢转组件6连接。As shown in Figures 4 and 6, a medium-horsepower garden tractor with a narrow wheel base front drive axle includes a first transmission shaft 1, a second transmission shaft 2, an input shaft 3, an input bevel gear 4, an output bevel gear 5, a pivot The rotating assembly 6 and the driving mechanism, the input shaft 3 is provided with a driving mechanism for driving its rotation, the input shaft 3 is coaxially arranged with the input bevel gear 4 and is fixedly connected with the input bevel gear 4, the input bevel gear 4 meshes with the output bevel gear 5, and the output The bevel gear 5 is sleeved on the first transmission shaft 1 or the second transmission shaft 2, and is fixedly connected with the first transmission shaft 1 or the second transmission shaft 2. The first transmission shaft 1 and the second transmission shaft 2 pass through the pivot assembly. 6 connections.

根据本发明的具体实施例，一种中马力园艺拖拉机窄轮距前驱动桥(以下简称本装置)，包括第一传动轴1、第二传动轴2、输入轴3、输入伞齿轮4、输出伞齿轮5、枢转组件6和驱动机构，启动驱动机构使其输出轴旋转，驱动机构的输出轴与输入轴3同轴固定连接，驱动机构的输出轴带动输入轴3旋转，输入轴3与输入伞齿轮4同轴设置并且与输入伞齿轮4固定连接，输入轴3旋转带动输入伞齿轮4转动，输入伞齿轮4啮合输出伞齿轮5，输入伞齿轮4转动带动输出伞齿轮5旋转，第一传动轴1和第二传动轴2通过枢转组件6连接，输出伞齿轮5套设并且固定在第一传动轴1(第二传动轴2)上，输出伞齿轮5旋转带动第一传动轴1和第二传动轴2转动，第一传动轴1和第二传动轴2的端部均固定有转动轮9，第一传动轴1和第二传动轴2转动带动两个转动轮9同步转动，本装置具有较高的传动速比和传动效率，实现较大的动力输出。According to a specific embodiment of the present invention, a medium-horsepower garden tractor with a narrow wheelbase front drive axle (hereinafter referred to as the device) comprises a first transmission shaft 1, a second transmission shaft 2, an input shaft 3, an input bevel gear 4, an output Bevel gear 5, pivot assembly 6 and drive mechanism, start the drive mechanism to make its output shaft rotate, the output shaft of the drive mechanism is coaxially and fixedly connected with the input shaft 3, the output shaft of the drive mechanism drives the input shaft 3 to rotate, and the input shaft 3 is connected to the input shaft 3. The input bevel gear 4 is coaxially arranged and fixedly connected with the input bevel gear 4. The rotation of the input shaft 3 drives the input bevel gear 4 to rotate, the input bevel gear 4 meshes with the output bevel gear 5, and the rotation of the input bevel gear 4 drives the output bevel gear 5 to rotate. A transmission shaft 1 and the second transmission shaft 2 are connected by a pivot assembly 6, the output bevel gear 5 is sleeved and fixed on the first transmission shaft 1 (second transmission shaft 2), and the output bevel gear 5 rotates to drive the first transmission shaft 1 and the second transmission shaft 2 rotate, the ends of the first transmission shaft 1 and the second transmission shaft 2 are fixed with a rotating wheel 9, and the rotation of the first transmission shaft 1 and the second transmission shaft 2 drives the two rotating wheels 9 to rotate synchronously , The device has higher transmission speed ratio and transmission efficiency, and achieves larger power output.

具体的，输入伞齿轮4和输出伞齿轮5均为伞状齿轮；转动轮9由车轮和轮胎两大部件组成。Specifically, the input bevel gear 4 and the output bevel gear 5 are both bevel gears; the rotating wheel 9 is composed of two major components, a wheel and a tire.

如图4和图5所示，枢转组件6包括第一传动齿轮61、第二传动齿轮62和至少一个行星轮63，第一传动轴1与第一传动齿轮61同轴设置并且与第一传动齿轮61固定连接，第二传动轴2与第二传动齿轮62同轴设置并且与第二传动齿轮62固定连接，多个行星轮63环设在第一传动齿轮61和第二传动齿轮62之间，且与第一传动齿轮61和第二传动齿轮62之间啮合设置。As shown in FIGS. 4 and 5 , the pivot assembly 6 includes a first transmission gear 61 , a second transmission gear 62 and at least one planetary gear 63 , and the first transmission shaft 1 is coaxially disposed with the first transmission gear 61 and is coaxial with the first transmission gear 61 . The transmission gear 61 is fixedly connected, the second transmission shaft 2 is coaxially arranged with the second transmission gear 62 and is fixedly connected with the second transmission gear 62 , and a plurality of planetary gears 63 are arranged in a ring between the first transmission gear 61 and the second transmission gear 62 . between the first transmission gear 61 and the second transmission gear 62.

根据本发明的具体实施例，枢转组件6包括第一传动齿轮61、第二传动齿轮62和多个行星轮63，第一传动轴1与第一传动齿轮61同轴设置并且与第一传动齿轮61固定连接，第一传动轴1转动带动第一传动齿轮61转动，第一传动齿轮61与行星轮63啮合设置，第一传动齿轮61转动带动行星轮63转动，行星轮63还与第二传动齿轮62啮合设置，控制第二传动轴2不动，多个行星轮63沿第二传动齿轮62转动，在多个行星轮63的协同作用下，第二传动轴2静止不动，第一转动轴1进行转动，进而调整两个转动轮9的转速差，实现拖拉机曲线行驶。According to a specific embodiment of the present invention, the pivot assembly 6 includes a first transmission gear 61 , a second transmission gear 62 and a plurality of planetary gears 63 , and the first transmission shaft 1 is coaxially disposed with the first transmission gear 61 and is coaxial with the first transmission gear 61 . The gear 61 is fixedly connected, the rotation of the first transmission shaft 1 drives the rotation of the first transmission gear 61, the first transmission gear 61 is meshed with the planetary wheel 63, the rotation of the first transmission gear 61 drives the rotation of the planetary wheel 63, and the planetary wheel 63 also rotates with the second transmission gear 63. The transmission gear 62 is meshed and arranged to control the second transmission shaft 2 to remain stationary, and the plurality of planetary gears 63 rotate along the second transmission gear 62. The rotating shaft 1 rotates, and then adjusts the speed difference between the two rotating wheels 9, so that the tractor can drive in a curve.

如图4所示，齿轮骨架64固定在第一传动轴1上，多个行星轮63与齿轮骨架64转动连接，保证其转动过程中的稳定性。As shown in FIG. 4 , the gear skeleton 64 is fixed on the first transmission shaft 1 , and the plurality of planetary wheels 63 are rotatably connected to the gear skeleton 64 to ensure the stability during the rotation.

如图6所示，输入伞齿轮4和输出伞齿轮5的中心轴线互相垂直设置，具有传动效率高、结构紧凑和使用寿命长的特点。As shown in FIG. 6 , the central axes of the input bevel gear 4 and the output bevel gear 5 are arranged perpendicular to each other, which has the characteristics of high transmission efficiency, compact structure and long service life.

如图5所示，第一传动齿轮61和第二传动齿轮62之间设有垫球，保证传动过程的平稳性。As shown in FIG. 5 , a pad ball is provided between the first transmission gear 61 and the second transmission gear 62 to ensure the smoothness of the transmission process.

如图5所示，行星轮63有3个，3个行星轮63等距离设置，具有外廓尺寸小、传动效率高、传动比准确和寿命长的特点。As shown in FIG. 5 , there are three planetary gears 63 , and the three planetary gears 63 are arranged at equal distances, and have the characteristics of small outline size, high transmission efficiency, accurate transmission ratio and long service life.

如图7所示，第一传动轴1和第二传动轴2均设有驱动其转动的减速机构8。As shown in FIG. 7 , both the first transmission shaft 1 and the second transmission shaft 2 are provided with a deceleration mechanism 8 that drives them to rotate.

根据本发明的具体实施例，启动两个减速机构8，两个减速机构8协同作用带动第一传动轴1和第二传动轴2转动，保证第一传动轴1和第二传动轴2转动过程中的稳定性。According to the specific embodiment of the present invention, the two deceleration mechanisms 8 are activated, and the two deceleration mechanisms 8 cooperate to drive the first transmission shaft 1 and the second transmission shaft 2 to rotate, so as to ensure the rotation process of the first transmission shaft 1 and the second transmission shaft 2 stability in.

如图7所示，减速机构8包括驱动装置、太阳齿轮82、多个行星转动轮83、行星齿轮架84、多角连接架85和输出轴86，驱动装置驱动太阳齿轮82旋转，太阳齿轮82啮合多个行星转动轮83并且带动多个行星转动轮83沿行星齿轮架84转动，多个行星转动轮83通过多角连接架85连接第一传动轴1。As shown in FIG. 7 , the deceleration mechanism 8 includes a driving device, a sun gear 82 , a plurality of planetary rotating wheels 83 , a planetary gear carrier 84 , a polygonal connecting frame 85 and an output shaft 86 , the driving device drives the sun gear 82 to rotate, and the sun gear 82 meshes The plurality of planetary rotating wheels 83 drive the plurality of planetary rotating wheels 83 to rotate along the planetary gear carrier 84 , and the plurality of planetary rotating wheels 83 are connected to the first transmission shaft 1 through the polygonal connecting frame 85 .

根据本发明的具体实施例，减速机构8包括驱动装置、太阳齿轮82、多个行星转动轮83、行星齿轮架84、多角连接架85和输出轴86，驱动装置的输出轴与太阳齿轮82同轴设置，太阳齿轮82套设并且固定驱动装置的输出轴，驱动装置的输出轴旋转带动太阳齿轮82旋转，太阳齿轮82外缘的环向齿面啮合多个行星转动轮83，行星齿轮架84的具有与多个行星齿轮架84相匹配的环形齿面，太阳齿轮82旋转带动多个行星转动轮83沿行星齿轮架84内的环形齿面转动，多个行星转动轮83均通过小轴与多角连接架85固定连接，通过多角连接架85的中心轴线固定连接第一传动轴1(第二传动轴2)，进而带动第一传动轴1(第二传动轴2)上的转动轮9旋转，改善了减速器的性能。According to a specific embodiment of the present invention, the speed reduction mechanism 8 includes a driving device, a sun gear 82 , a plurality of planetary rotating wheels 83 , a planetary gear carrier 84 , a polygonal connecting frame 85 and an output shaft 86 , and the output shaft of the driving device is the same as the sun gear 82 . The shaft is arranged, the sun gear 82 is sleeved and the output shaft of the driving device is fixed, and the output shaft of the driving device rotates to drive the sun gear 82 to rotate, the annular tooth surface of the outer edge of the sun gear 82 meshes with a plurality of planetary rotating wheels 83, and the planetary gear carrier 84 The sun gear 82 rotates and drives a plurality of planetary rotating wheels 83 to rotate along the annular tooth surface in the planetary gear carrier 84, and the plurality of planetary rotating wheels 83 are connected to each other through the small shaft. The polygonal connecting frame 85 is fixedly connected, and the central axis of the polygonal connecting frame 85 is fixedly connected to the first transmission shaft 1 (the second transmission shaft 2 ), thereby driving the rotating wheel 9 on the first transmission shaft 1 (the second transmission shaft 2 ) to rotate , which improves the performance of the reducer.

如图7所示，太阳齿轮82与行星齿轮架84之间设有多个辅助轮87。As shown in FIG. 7 , a plurality of auxiliary gears 87 are provided between the sun gear 82 and the carrier 84 .

根据本发明的具体实施例，多个辅助轮87啮合太阳齿轮82与行星齿轮架84，提高结构的稳定性，增加其使用寿命。According to the specific embodiment of the present invention, the plurality of auxiliary wheels 87 mesh with the sun gear 82 and the planetary gear carrier 84, so as to improve the stability of the structure and increase its service life.

如图1、图2和图3所示，第一传动轴1和第二传动轴2外设有保护壳体10。As shown in FIG. 1 , FIG. 2 and FIG. 3 , the first transmission shaft 1 and the second transmission shaft 2 are provided with a protective casing 10 outside.

根据本发明的具体实施例，第一传动轴1、第二传动轴2和输入轴3均通过滚珠轴承与保护壳体10转动连接。According to a specific embodiment of the present invention, the first transmission shaft 1 , the second transmission shaft 2 and the input shaft 3 are all rotatably connected to the protective housing 10 through ball bearings.

具体的，第一传动轴1与第一滚珠轴承的内圈固定连接，第一滚珠轴承的外圈固定连接保护壳体10；第二传动轴2与第二滚珠轴承的内圈固定连接，第二滚珠轴承的外圈固定连接保护壳体10；输入轴3与第三滚珠轴承的内圈固定连接，第三滚珠轴承的外圈固定连接保护壳体10。Specifically, the first transmission shaft 1 is fixedly connected to the inner ring of the first ball bearing, and the outer ring of the first ball bearing is fixedly connected to the protection housing 10; the second transmission shaft 2 is fixedly connected to the inner ring of the second ball bearing, the first The outer ring of the second ball bearing is fixedly connected to the protective casing 10 ; the input shaft 3 is fixedly connected to the inner ring of the third ball bearing, and the outer ring of the third ball bearing is fixedly connected to the protective casing 10 .

根据本发明的一种中马力园艺拖拉机窄轮距前驱动桥，其使用原理如下：According to the narrow wheelbase front drive axle of a medium-horsepower garden tractor of the present invention, its use principle is as follows:

当园艺拖拉机需要进行曲线行驶时，在输入轴3、输入伞齿轮4和输出伞齿轮5的依次传动，停用第二传动轴2的驱动装置(或控制减小第二传动轴2的驱动装置输出轴转动速度)，保证第二传动轴2停止转动(或保证第二传动轴2小于第一传动轴1的转动速度运行)，启动驱动机构和第一传动轴1的驱动装置，使第一传动轴1相对第二传动轴2进行转动，保证内外侧车轮以不同转动速度进行转动。When the garden tractor needs to drive in a curve, in the sequential transmission of the input shaft 3, the input bevel gear 4 and the output bevel gear 5, the driving device of the second transmission shaft 2 is deactivated (or controlled to reduce the driving device of the second transmission shaft 2). output shaft rotation speed), ensure that the second transmission shaft 2 stops rotating (or ensure that the second transmission shaft 2 is running at a rotational speed lower than the first transmission shaft 1), start the driving mechanism and the driving device of the first transmission shaft 1, and make the first transmission shaft 1 The transmission shaft 1 rotates relative to the second transmission shaft 2 to ensure that the inner and outer wheels rotate at different rotational speeds.

当园艺拖拉机需要进行直线行驶时，启动驱动机构和两个驱动装置，在输入伞齿轮4、输出伞齿轮5、枢转组件6、减速机构8的共同作用下，第一传动轴1和第二传动轴2转动，进而实现两个转动轮9的同步旋转。When the horticultural tractor needs to travel in a straight line, the driving mechanism and the two driving devices are activated. The transmission shaft 2 rotates, thereby realizing the synchronous rotation of the two rotating wheels 9 .

以上所述实施例仅是为充分说明本发明而所举的较佳的实施例，本发明的保护范围不限于此。本技术领域的技术人员在本发明基础上所作的等同替代或变换，均在本发明的保护范围之内。本发明的保护范围以权利要求书为准。The above-mentioned embodiments are only preferred embodiments for fully illustrating the present invention, and the protection scope of the present invention is not limited thereto. Equivalent substitutions or transformations made by those skilled in the art on the basis of the present invention are all within the protection scope of the present invention. The protection scope of the present invention is subject to the claims.

Claims (10)

1.一种中马力园艺拖拉机窄轮距前驱动桥，其特征在于，包括第一传动轴、第二传动轴、输入轴、输入伞齿轮、输出伞齿轮、枢转组件和驱动机构，所述输入轴设有驱动其旋转的所述驱动机构，所述输入轴与所述输入伞齿轮同轴设置并且与所述输入伞齿轮固定连接，所述输入伞齿轮啮合所述输出伞齿轮，所述输出伞齿轮套设在所述第一传动轴，并与所述第一传动轴或所述第二传动轴固定连接，所述第一传动轴和所述第二传动轴通过所述枢转组件连接。1. A medium-horsepower garden tractor narrow-track front drive axle, characterized in that, comprising a first drive shaft, a second drive shaft, an input shaft, an input bevel gear, an output bevel gear, a pivot assembly and a drive mechanism, the The input shaft is provided with the driving mechanism for driving the rotation thereof, the input shaft is coaxially arranged with the input bevel gear and is fixedly connected with the input bevel gear, the input bevel gear meshes with the output bevel gear, and the The output bevel gear is sleeved on the first transmission shaft and is fixedly connected with the first transmission shaft or the second transmission shaft, and the first transmission shaft and the second transmission shaft pass through the pivot assembly connect. 2.根据权利要求1所述的中马力园艺拖拉机窄轮距前驱动桥，其特征在于，所述枢转组件包括第一传动齿轮、第二传动齿轮和至少一个行星轮，所述第一传动轴与所述第一传动齿轮同轴设置并且与所述第一传动齿轮固定连接，所述第二传动轴与所述第二传动齿轮同轴设置并且与所述第二传动齿轮固定连接，多个所述行星轮环设在所述第一传动齿轮和所述第二传动齿轮之间，且与所述第一传动齿轮和所述第二传动齿轮之间啮合设置。2 . The narrow-track front drive axle of a medium-horsepower garden tractor according to claim 1 , wherein the pivot assembly comprises a first transmission gear, a second transmission gear and at least one planetary gear, and the first transmission The shaft is coaxially arranged with the first transmission gear and is fixedly connected with the first transmission gear, and the second transmission shaft is arranged coaxially with the second transmission gear and is fixedly connected with the second transmission gear. Each of the planetary gear rings is arranged between the first transmission gear and the second transmission gear, and is meshed with the first transmission gear and the second transmission gear. 3.根据权利要求2所述的中马力园艺拖拉机窄轮距前驱动桥，其特征在于，所述齿轮骨架固定在所述第一传动轴上，多个所述行星轮与所述齿轮骨架转动连接。3 . The narrow wheel base front drive axle of a medium horsepower garden tractor according to claim 2 , wherein the gear frame is fixed on the first transmission shaft, and a plurality of the planetary wheels rotate with the gear frame connect. 4.根据权利要求2所述的中马力园艺拖拉机窄轮距前驱动桥，其特征在于，所述输入伞齿轮和所述输出伞齿轮的中心轴线互相垂直设置。4 . The narrow-track front drive axle of a medium-horsepower garden tractor according to claim 2 , wherein the central axes of the input bevel gear and the output bevel gear are perpendicular to each other. 5 . 5.根据权利要求2所述的中马力园艺拖拉机窄轮距前驱动桥，其特征在于，所述第一传动齿轮和所述第二传动齿轮之间设有垫球。5 . The narrow wheel base front drive axle of a medium horsepower garden tractor according to claim 2 , wherein a pad ball is provided between the first transmission gear and the second transmission gear. 6 . 6.根据权利要求2所述的中马力园艺拖拉机窄轮距前驱动桥，其特征在于，所述行星轮有3个，3个所述行星轮等距离设置。6 . The narrow wheel base front drive axle of a medium-horsepower garden tractor according to claim 2 , wherein there are three planetary wheels, and the three planetary wheels are arranged at equal distances. 7 . 7.根据权利要求1所述的中马力园艺拖拉机窄轮距前驱动桥，其特征在于，所述第一传动轴和所述第二传动轴均设有驱动其转动的减速机构。7 . The narrow-track front drive axle of a medium-horsepower garden tractor according to claim 1 , wherein the first transmission shaft and the second transmission shaft are both provided with a deceleration mechanism that drives the rotation of the first transmission shaft. 8 . 8.根据权利要求7所述的中马力园艺拖拉机窄轮距前驱动桥，其特征在于，所述减速机构包括驱动装置、太阳齿轮、多个行星转动轮、行星齿轮架、多角连接架和输出轴，所述驱动装置驱动所述太阳齿轮旋转，所述太阳齿轮啮合多个行星转动轮并且带动多个行星转动轮沿所述行星齿轮架转动，多个所述行星转动轮通过所述多角连接架连接第一传动轴。8. The narrow-wheel-base front drive axle of a medium-horsepower garden tractor according to claim 7, wherein the speed reduction mechanism comprises a drive device, a sun gear, a plurality of planetary rotating wheels, a planetary gear carrier, a polygonal connection frame and an output The driving device drives the sun gear to rotate, the sun gear meshes with a plurality of planetary rotating wheels and drives the plurality of planetary rotating wheels to rotate along the planetary gear carrier, and the plurality of the planetary rotating wheels are connected by the polygon The frame is connected to the first transmission shaft. 9.根据权利要求8所述的中马力园艺拖拉机窄轮距前驱动桥，其特征在于，所述太阳齿轮与所述行星齿轮架之间设有多个辅助轮。9 . The narrow-track front drive axle of a medium-horsepower garden tractor according to claim 8 , wherein a plurality of auxiliary wheels are arranged between the sun gear and the planetary gear carrier. 10 . 10.根据权利要求1所述的中马力园艺拖拉机窄轮距前驱动桥，其特征在于，所述第一传动轴和所述第二传动轴外设有保护壳体。10 . The narrow-track front drive axle of a medium-horsepower garden tractor according to claim 1 , wherein a protective casing is provided outside the first transmission shaft and the second transmission shaft. 11 .
CN202011633197.4A 2020-12-31 2020-12-31 Narrow wheel-pitch front drive axle of medium-horsepower gardening tractor Pending CN114683767A (en)

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