CN104791429A - Gearbox assembly for agricultural machine - Google Patents
Gearbox assembly for agricultural machine Download PDFInfo
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- CN104791429A CN104791429A CN201510148173.2A CN201510148173A CN104791429A CN 104791429 A CN104791429 A CN 104791429A CN 201510148173 A CN201510148173 A CN 201510148173A CN 104791429 A CN104791429 A CN 104791429A
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- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
- F16H3/091—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears including a single countershaft
- F16H3/0915—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears including a single countershaft with coaxial input and output shafts
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/0004—Transmissions for multiple ratios comprising a power take off shaft
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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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0039—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising three forward speeds
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
本发明公开一种用于农业机械的变速箱总成，包括皮带轮、输入轴、离合器、换挡轴、从动轴以及差速器，皮带轮安装在输入轴上，离合器安装在皮带轮与所述变速箱的壳体上，并与输入轴相连，皮带轮输入动力，经离合器传递至输入轴，输入轴传递动力至换挡轴，再经从动轴将动力传递至差速器，实现前进及倒车，所述输入轴上安装有一档、二档、三档主动齿轮及倒挡主动齿轮，所述换挡轴上安装有一档、二档、三档从动齿轮及倒挡从动Ⅱ齿轮，所述从动轴上安装有倒挡从动Ⅰ齿轮。本发明倒档传动比较大，降低了倒档速度，增加了倒车安全性，皮带轮起到摩擦盘的作用，结构简单，成本低。
The invention discloses a gearbox assembly for agricultural machinery, comprising a pulley, an input shaft, a clutch, a shift shaft, a driven shaft and a differential, the pulley is installed on the input shaft, and the clutch is installed on the pulley and the transmission On the shell of the box, and connected with the input shaft, the power is input by the pulley, which is transmitted to the input shaft through the clutch, the power is transmitted to the shift shaft through the input shaft, and then the power is transmitted to the differential through the driven shaft to realize forward and reverse. The first gear, the second gear, the third gear driving gear and the reverse gear driving gear are installed on the input shaft, and the first gear, the second gear, the third gear driven gear and the reverse gear driven II gear are installed on the shift shaft. The reverse gear driven I gear is installed on the driven shaft. The invention has relatively large reverse gear transmission, reduces the reverse gear speed, and increases the safety of reverse gear. The belt pulley acts as a friction disc, and the structure is simple and the cost is low.
Description
技术领域 technical field
本发明涉及农业机械领域，尤其是关于一种用于农业机械的变速箱总成。 The invention relates to the field of agricultural machinery, in particular to a gearbox assembly for agricultural machinery.
背景技术 Background technique
现有技术中，农业机械在作业时行走速度较慢，转场时行走速度较快，倒挡传动也比较小，农业机械的变速箱在作业档传动比偏小，并且倒挡传动也比较小，倒挡车速较快，不能满足农业机械的作业与转场需求。由此可见，目前农业机械在结构与使用上还存在上述缺陷，急需加以进一步改进。 In the prior art, the agricultural machinery travels at a slower speed during operation and faster at transitions, and the reverse gear transmission is relatively small. The transmission ratio of the agricultural machinery gearbox is relatively small in the working gear, and the reverse gear transmission is also relatively small. , the speed of the reverse gear is fast, which cannot meet the needs of agricultural machinery operations and transitions. This shows, also there is above-mentioned defect in structure and use of agricultural machinery at present, be badly in need of further improvement.
发明内容 Contents of the invention
本发明的主要目的在于，公开一种新的用于农业机械的变速箱总成，结构简单，提高倒挡速比，以满足农业机械的作业、转场及倒档速度需求。 The main purpose of the present invention is to disclose a new gearbox assembly for agricultural machinery, which has a simple structure and improves the reverse gear ratio to meet the operation, transition and reverse speed requirements of the agricultural machinery.
本发明是采用以下技术方案及技术措施来实现的。 The present invention is realized by adopting the following technical solutions and technical measures.
本发明提出一种用于农业机械的变速箱总成，包括皮带轮、输入轴、离合器、换挡轴、从动轴以及差速器，皮带轮安装在输入轴上，离合器安装在皮带轮与所述变速箱的壳体上，并与输入轴相连，皮带轮输入动力，经离合器传递至输入轴，输入轴传递动力至换挡轴，再经从动轴将动力传递至差速器，实现前进及倒车； The invention proposes a gearbox assembly for agricultural machinery, including a pulley, an input shaft, a clutch, a shift shaft, a driven shaft and a differential, the pulley is mounted on the input shaft, and the clutch is mounted on the pulley and the transmission The casing of the gearbox is connected to the input shaft. The power input by the pulley is transmitted to the input shaft through the clutch, the power is transmitted to the shift shaft through the input shaft, and then the power is transmitted to the differential through the driven shaft to realize forward and reverse;
所述输入轴上安装有一档主动齿轮、二档主动齿轮、三档主动齿轮及倒挡主动齿轮，所述换挡轴上安装有一档从动齿轮、二档从动齿轮、三档从动齿轮及倒挡从动Ⅱ齿轮，所述从动轴上安装有倒挡从动Ⅰ齿轮； A driving gear of one gear, a driving gear of second gear, a driving gear of third gear and a driving gear of reverse gear are installed on the input shaft, and a driven gear of first gear, driven gear of second gear and driven gear of third gear are installed on the shift shaft. and the reverse gear driven II gear, the reverse gear driven I gear is installed on the driven shaft;
所述输入轴上的一档主动齿轮、二档主动齿轮、三档主动齿轮分别与换挡轴上的一档从动齿轮、二档从动齿轮、三档从动齿轮啮合，输入轴的动力通过输入轴上的一档主动齿轮、二档主动齿轮、三档主动齿轮传递到换挡轴上的一档从动齿轮、二档从动齿轮、三档从动齿轮，换挡轴上的一档从动齿轮、二档从动齿轮、三档从动齿轮通过啮合套传递动力至从动轴，从动轴再将动力传递至差速器，实现一档、二档、三档前进； The first gear driving gear, the second gear driving gear and the third gear driving gear on the input shaft mesh with the first gear driven gear, the second gear driven gear and the third gear driven gear respectively on the shift shaft, and the power of the input shaft The first gear driven gear, the second gear driven gear, and the third gear driven gear on the input shaft are transmitted to the first gear driven gear, the second gear driven gear, and the third gear driven gear on the shift shaft, and the first gear driven gear on the shift shaft The driven gear of first gear, driven gear of second gear and driven gear of third gear transmit power to the driven shaft through the meshing sleeve, and the driven shaft then transmits the power to the differential to realize the forward movement of first gear, second gear and third gear;
所述输入轴上的倒挡主动齿轮与从动轴的倒挡从动Ⅰ齿轮啮合，从动轴的倒挡从动Ⅰ齿轮与换挡轴的倒挡从动Ⅱ齿轮啮合，输入轴的动力通过输入轴上的倒挡主动齿轮传递到从动轴的倒挡从动Ⅰ齿轮，从动轴的倒挡从动Ⅰ齿轮传递动力至换挡轴的倒挡从动Ⅱ齿轮，换挡轴的倒挡从动Ⅱ齿轮通过啮合套传递动力至从动轴，从动轴再将动力传递至差速器，实现倒车。 The reverse drive gear on the input shaft meshes with the reverse driven I gear of the driven shaft, and the reverse driven I gear of the driven shaft meshes with the reverse driven II gear of the shift shaft, and the power of the input shaft The reverse driven gear on the input shaft is transmitted to the reverse driven I gear of the driven shaft, the reverse driven I gear of the driven shaft transmits power to the reverse driven II gear of the shift shaft, and the reverse driven II gear of the shift shaft The reverse gear driven II gear transmits power to the driven shaft through the meshing sleeve, and the driven shaft transmits the power to the differential to realize reverse.
较佳的，前述一种用于农业机械的变速箱总成，其中所述换挡轴上的一档从动齿轮、二档从动齿轮、三档从动齿轮传递动力至从动轴，从动轴再将动力传递至差速器，实现一档、二档、三档前进档是通过换挡轴小齿轮与从动轴从动齿轮啮合，将换挡轴上的一档从动齿轮、二档从动齿轮、三档从动齿轮的动力经换挡轴小齿轮传递到从动轴从动齿轮，再经过从动轴小齿轮传递动力至差速器。 Preferably, the aforementioned gearbox assembly for agricultural machinery, wherein the first gear driven gear, the second gear driven gear, and the third gear driven gear on the shift shaft transmit power to the driven shaft, from The driving shaft then transmits the power to the differential to realize the first gear, second gear, and third gear. The power of the second-speed driven gear and the third-speed driven gear is transmitted to the driven shaft driven gear through the shift shaft pinion, and then transmitted to the differential through the driven shaft pinion.
较佳的，前述一种用于农业机械的变速箱总成，其中所述换挡轴的倒挡从动Ⅱ齿轮传递动力至从动轴，从动轴再将动力传递至差速器，实现倒档是通过换挡轴小齿轮与从动轴从动齿轮啮合，将换挡轴的倒挡从动Ⅱ齿轮的动力经换挡轴小齿轮传递到从动轴从动齿轮，再经过从动轴小齿轮传递动力至差速器。 Preferably, the aforementioned gearbox assembly for agricultural machinery, wherein the reverse driven II gear of the shift shaft transmits power to the driven shaft, and the driven shaft then transmits the power to the differential to realize The reverse gear is through the meshing of the shift shaft pinion and the driven shaft driven gear, and the power of the reverse driven II gear of the shift shaft is transmitted to the driven shaft driven gear through the shift shaft pinion, and then through the driven shaft. The shaft pinion transmits power to the differential.
较佳的，前述一种用于农业机械的变速箱总成，所述输入轴上的一档主动齿轮、二档主动齿轮、三档主动齿轮分别与换挡轴上的一档从动齿轮、二档从动齿轮、三档从动齿轮处于常啮合状态。 Preferably, the aforementioned gearbox assembly for agricultural machinery, the first gear driving gear, the second gear driving gear, and the third gear driving gear on the input shaft are respectively connected with the first gear driven gear, the third gear driven gear on the shift shaft, The second gear driven gear and the third gear driven gear are in a constant mesh state.
较佳的，前述一种用于农业机械的变速箱总成，所述输入轴上的倒挡主动齿轮与从动轴的倒挡从动Ⅰ齿轮处于常啮合状态,从动轴的倒挡从动Ⅰ齿轮与换挡轴的倒挡从动Ⅱ齿轮常啮合。 Preferably, in the aforementioned gearbox assembly for agricultural machinery, the reverse gear drive gear on the input shaft is in constant mesh with the reverse gear driven I gear of the driven shaft, and the reverse gear slave gear of the driven shaft The driving gear I is in constant mesh with the reverse driven gear II of the shift shaft.
较佳的，前述一种用于农业机械的变速箱总成，所述倒挡传动比为16～19。 Preferably, in the aforementioned gearbox assembly for agricultural machinery, the reverse gear ratio is 16-19.
较佳的，前述一种用于农业机械的变速箱总成，所述倒挡传动比为17。 Preferably, in the aforementioned gearbox assembly for agricultural machinery, the reverse gear ratio is 17.
较佳的，前述一种用于农业机械的变速箱总成，所述一档、二档、三档前进的一档、二档、三档传动比分别为：20、11、3。 Preferably, in the aforementioned gearbox assembly for agricultural machinery, the transmission ratios of the first, second, and third forward gears are 20, 11, and 3, respectively.
较佳的，前述一种用于农业机械的变速箱总成，所述变速箱总成还包括手刹装置,该手刹装置与从动轴相连，实现手刹。 Preferably, the aforementioned gearbox assembly for agricultural machinery, the gearbox assembly also includes a handbrake device, and the handbrake device is connected with the driven shaft to realize the handbrake.
与现有技术相比，本发明至少具有下列优点及有益效果： Compared with the prior art, the present invention has at least the following advantages and beneficial effects:
1、皮带轮起到摩擦盘的作用，结构简单，成本低； 1. The pulley acts as a friction disc, with simple structure and low cost;
2、本发明的农业机械变速箱总成哟有较佳的前进及倒车功能，倒档传动比较大，降低了倒档速度，增加了倒车安全性，三个前进挡中，一档、二档满足了农业机械的作业速度需求，三档满足了转场速度需求。 2. The agricultural machinery gearbox assembly of the present invention has better forward and reverse functions. The reverse gear transmission is relatively large, which reduces the reverse gear speed and increases the safety of reverse gear. Among the three forward gears, the first gear and the second gear It meets the operating speed requirements of agricultural machinery, and the third gear meets the transition speed requirements.
附图说明 Description of drawings
图1是本发明一种用于农业机械的变速箱总成的结构示意图。 Fig. 1 is a structural schematic diagram of a gearbox assembly for agricultural machinery according to the present invention.
【主要元件符号说明】 [Description of main component symbols]
1：皮带轮，2：输入轴，21：一档主动齿轮，22：二档主动齿轮，23：三档主动齿轮，24：倒档主动齿轮，3：离合器，4：换挡轴，41：一档从动齿轮，42：二档从动齿轮，43：三档从动齿轮，44：换挡轴小齿轮，45：倒挡从动Ⅱ齿轮，46：啮合套，5：从动轴，51：从动轴从动齿轮，52：从动轴小齿轮，53：倒挡从动Ⅰ齿轮，6：差速器，7：手刹装置，8：壳体。 1: Pulley, 2: Input shaft, 21: First gear driving gear, 22: Second gear driving gear, 23: Third gear driving gear, 24: Reverse gear driving gear, 3: Clutch, 4: Shift shaft, 41: One Gear driven gear, 42: second gear driven gear, 43: third gear driven gear, 44: shift shaft pinion, 45: reverse gear driven II gear, 46: meshing sleeve, 5: driven shaft, 51 : Driven shaft driven gear, 52: Driven shaft pinion, 53: Reverse gear driven I gear, 6: Differential, 7: Handbrake device, 8: Housing.
具体实施方式 Detailed ways
为使本发明的内容更明显易懂，以下结合具体实施例，对本发明进行详细描述。 In order to make the content of the present invention more obvious and understandable, the present invention will be described in detail below in conjunction with specific embodiments.
请参阅图1的结构示意图，本发明用于农业机械的变速箱总成包括皮带轮1、输入轴2、离合器3、换挡轴4、从动轴5、差速器6及手刹装置7，皮带轮1通过轴承安装在输入轴2上，离合器3安装在皮带轮1与所述变速箱的壳体8上，并与输入轴2的华健相连，皮带轮1的皮带盘与离合器3的摩擦片结合，皮带轮1输入动力，经离合器3和输入轴2的华健传递至输入轴2，输入轴2传递动力至换挡轴4，再经从动轴将动力传递至差速器6，实现前进及倒车，所述手刹装置7与从动轴5相连，实现手刹。 Please refer to the structural diagram of Fig. 1, the gearbox assembly for agricultural machinery of the present invention comprises pulley 1, input shaft 2, clutch 3, shift shaft 4, driven shaft 5, differential 6 and handbrake device 7, pulley 1 is installed on the input shaft 2 through bearings, the clutch 3 is installed on the pulley 1 and the casing 8 of the gearbox, and is connected with Huajian of the input shaft 2, the pulley of the pulley 1 is combined with the friction plate of the clutch 3, Pulley 1 inputs power, which is transmitted to input shaft 2 through clutch 3 and Huajian of input shaft 2, and input shaft 2 transmits power to shift shaft 4, and then transmits power to differential 6 through driven shaft to realize forward and reverse , the handbrake device 7 is connected with the driven shaft 5 to realize the handbrake.
所述输入轴2上安装有一档主动齿轮21、二档主动齿轮22、三档主动齿轮23及倒挡主动齿轮24，所述换挡轴4上安装有一档从动齿轮41、二档从动齿轮42、三档从动齿轮43及倒挡从动Ⅱ齿轮45，所述从动轴5上安装有倒挡从动Ⅰ齿轮。 A gear driving gear 21, a second gear driving gear 22, a third gear driving gear 23 and a reverse gear driving gear 24 are installed on the input shaft 2, and a gear driven gear 41 and a second gear driven gear 41 are installed on the shift shaft 4. Gear 42, third gear driven gear 43 and reverse gear driven II gear 45, said driven shaft 5 is equipped with reverse gear driven I gear.
所述输入轴2上的一档主动齿轮21、二档主动齿轮22、三档主动齿轮23分别与换挡轴4上的一档从动齿轮41、二档从动齿轮42、三档从动齿轮43啮合，啮合套与换挡轴4上的一档从动齿轮41、二档从动齿轮42、三档从动齿轮43啮合，输入轴2的动力通过输入轴2上的一档主动齿轮21、二档主动齿轮22、三档主动齿轮23传递到换挡轴4的一档从动齿轮41、二档从动齿轮42、三档从动齿轮43，换挡轴小齿轮44与从动轴从动齿轮51通过啮合套啮合，将换挡轴从动齿轮的动力经换挡轴小齿轮44传递到从动轴从动齿轮51，再经过从动轴小齿轮52传递动力至差速器6，实现一档、二档、三档前进。 The first gear driving gear 21, the second gear driving gear 22, and the third gear driving gear 23 on the input shaft 2 are respectively connected with the first gear driven gear 41, the second gear driven gear 42, and the third gear driven gear 41 on the shift shaft 4. The gear 43 meshes, the meshing sleeve meshes with the first-speed driven gear 41, the second-speed driven gear 42, and the third-speed driven gear 43 on the shift shaft 4, and the power of the input shaft 2 passes through the first-speed driving gear on the input shaft 2 21. The second gear driving gear 22 and the third gear driving gear 23 are transmitted to the first gear driven gear 41, the second gear driven gear 42, the third gear driven gear 43 of the shift shaft 4, the shift shaft pinion 44 and the driven gear The shaft driven gear 51 is meshed through the meshing sleeve, and the power of the shift shaft driven gear is transmitted to the driven shaft driven gear 51 through the shift shaft pinion 44, and then the power is transmitted to the differential through the driven shaft pinion 52 6. Realize first gear, second gear and third gear forward.
图1中的输入轴2、换挡轴4和从动轴5在立体空间中是三角位置关系，换挡轴4在上部，输入轴2和从动轴5在下部，使输入轴2的相关齿轮与从动轴5的相关齿轮啮合。所述输入轴2上的倒挡主动齿轮24与从动轴5的倒挡从动Ⅰ齿轮53啮合，从动轴5的倒挡从动Ⅰ齿轮53与换挡轴4的倒挡从动Ⅱ齿轮45啮合，啮合套与换挡轴4的倒挡从动Ⅱ齿轮45啮合，输入轴2的动力通过输入轴2上的倒挡主动齿轮24传递到从动轴5的倒挡从动Ⅰ齿轮53，从动轴5的倒挡从动Ⅰ齿轮53传递动力至换挡轴4的倒挡从动Ⅱ齿轮45，换挡轴小齿轮44与从动轴从动齿轮51通过啮合套啮合，将换挡轴4的倒挡从动Ⅱ齿轮45的动力经换挡轴小齿轮44传递到从动轴从动齿轮51，再经过从动轴小齿轮52传递动力至差速器6，实现倒车。 The input shaft 2, the shift shaft 4 and the driven shaft 5 in Fig. 1 are in a triangular positional relationship in the three-dimensional space, the shift shaft 4 is at the upper part, and the input shaft 2 and the driven shaft 5 are at the lower part, so that the correlation of the input shaft 2 The gear meshes with the associated gear of the driven shaft 5 . The reverse gear driving gear 24 on the input shaft 2 meshes with the reverse gear driven I gear 53 of the driven shaft 5, and the reverse gear driven I gear 53 of the driven shaft 5 meshes with the reverse gear driven II gear of the shift shaft 4. The gear 45 meshes, the meshing sleeve meshes with the reverse driven II gear 45 of the shift shaft 4, and the power of the input shaft 2 is transmitted to the reverse driven I gear of the driven shaft 5 through the reverse driving gear 24 on the input shaft 2 53, the reverse driven gear 53 of the driven shaft 5 transmits power to the reverse driven II gear 45 of the shift shaft 4, and the shift shaft pinion 44 meshes with the driven shaft driven gear 51 through the meshing sleeve. The power of the reverse driven II gear 45 of the shift shaft 4 is transmitted to the driven shaft driven gear 51 through the shift shaft pinion 44, and then the power is transmitted to the differential 6 through the driven shaft pinion 52 to realize reversing.
通常，输入轴2上的一档主动齿轮21、二档主动齿轮22、三档主动齿轮23分别与换挡轴4上的一档从动齿轮41、二档从动齿轮42、三档从动齿轮43处于常啮合状态，输入轴2上的倒挡主动齿轮24与从动轴5的倒挡从动Ⅰ齿轮53处于常啮合状态，从动轴5的倒挡从动Ⅰ齿轮53与换挡轴4的倒挡从动Ⅱ齿轮45常啮合。 Usually, the first gear driving gear 21, the second gear driving gear 22, and the third gear driving gear 23 on the input shaft 2 are respectively connected with the first gear driven gear 41, the second gear driven gear 42, and the third gear driven gear on the shift shaft 4. The gear 43 is in a constant meshing state, the reverse driving gear 24 on the input shaft 2 is in a constant meshing state with the reverse driven I gear 53 of the driven shaft 5, and the reverse driven I gear 53 of the driven shaft 5 is in a constant meshing state with the shift gear The reverse gear driven II gear 45 of shaft 4 is constantly meshed.
一档、二档、三档前进的一档、二档、三档传动比的较佳值分别为：10、11、3，实际应用中也可精确为20.42069、11.84953、3.584483，一档、二档传动比大，速度慢，满足农业机械的作业速度需求，三档传动比小，速度快，满足转场速度需求。倒挡的传动比可设定在16～19，在倒挡传动比值为17或取精确值 17.5373时，本发明的可达到较佳的效果，倒挡传动比较大，降低了倒档速度，增加了倒车安全性。 The optimal values of the first gear, second gear, and third gear transmission ratios of the first gear, second gear, and third gear forward are: 10, 11, and 3, respectively. The transmission ratio of the first gear is large and the speed is slow, which meets the operating speed requirements of agricultural machinery. The transmission ratio of the third gear is small and the speed is fast, which meets the requirements for transition speed. The transmission ratio of the reverse gear can be set at 16 to 19. When the transmission ratio of the reverse gear is 17 or the exact value 17.5373, the present invention can achieve a better effect. The transmission ratio of the reverse gear is relatively large, which reduces the speed of the reverse gear and increases Reversing safety.
除了以上描述外,本发明还可以广泛地用在其他实施例中，并且本发明的保护范围并不受实施例的限定，其以权利要求的保护范围为准。任何熟悉本专业的技术人员，依据本发明的技术实质对以上实施例的简单修改，仍属于本发明技术方案的保护范围。 In addition to the above description, the present invention can also be widely used in other embodiments, and the scope of protection of the present invention is not limited by the embodiments, and the protection scope of the claims shall prevail. Any simple modification to the above embodiments according to the technical essence of the present invention by any skilled person familiar with this field still belongs to the protection scope of the technical solution of the present invention.
Claims (9)
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| CN109869456A (en) * | 2019-04-05 | 2019-06-11 | 杭州前进齿轮箱集团股份有限公司 | A small agricultural wheeled vehicle gearbox |
| CN114001129A (en) * | 2021-11-26 | 2022-02-01 | 杭州萧山江南通用机械有限公司 | Special marine gearbox in arrangement form |
| CN115539631A (en) * | 2022-10-27 | 2022-12-30 | 山东潍柴雷沃传动有限公司 | Gearbox with normally-engaged rear wet parking brake |
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Application publication date: 20150722 |