CN108468755A - Large-scale heavy duty mining electric truck secondary drive mechanism - Google Patents
Large-scale heavy duty mining electric truck secondary drive mechanism Download PDFInfo
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- CN108468755A CN108468755A CN201810279167.4A CN201810279167A CN108468755A CN 108468755 A CN108468755 A CN 108468755A CN 201810279167 A CN201810279167 A CN 201810279167A CN 108468755 A CN108468755 A CN 108468755A
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- secondary transmission
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- 238000005065 mining Methods 0.000 title claims description 6
- 208000032370 Secondary transmission Diseases 0.000 claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000005096 rolling process Methods 0.000 claims description 6
- 239000003921 oil Substances 0.000 claims description 5
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 208000032369 Primary transmission Diseases 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
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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
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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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
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
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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
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
- F16H2057/0206—Gearboxes for particular applications for vehicle transmissions for commercial vehicles, e.g. buses or trucks
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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
- F16H2057/02086—Measures for reducing size of gearbox, e.g. for creating a more compact transmission casing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
本发明公开了一种大型重载矿用电动卡车二级传动机构，二级传动机构为行星齿轮机构，所述二级传动机构的二级内齿圈作为二级传动机构的动力输出件与轮毂传动连接；二级传动机构的二级行星架沿周向通过支撑套固定于车架，所述二级传动机构的太阳轮为太阳轮套，所述太阳轮套沿轴向延伸形成用于作为二级传动机构动力输入端的延伸段；能够配合一级传动机构，有效改善受力情况，提高使用寿命，保证安全，同时，结构简单，成本低廉。
The invention discloses a secondary transmission mechanism of a large heavy-duty mine electric truck. The secondary transmission mechanism is a planetary gear mechanism, and the secondary internal ring gear of the secondary transmission mechanism is used as a power output part and a hub of the secondary transmission mechanism. Transmission connection; the secondary planet carrier of the secondary transmission mechanism is fixed to the vehicle frame through the supporting sleeve along the circumferential direction, and the sun gear of the secondary transmission mechanism is a sun gear sleeve, and the sun gear sleeve extends axially to form a The extension section of the power input end of the secondary transmission mechanism; it can cooperate with the primary transmission mechanism to effectively improve the stress situation, increase the service life, and ensure safety. At the same time, the structure is simple and the cost is low.
Description
技术领域technical field
本发明涉及电动车减速器领域，具体涉及一种大型重载矿用电动卡车二级传动机构。The invention relates to the field of electric vehicle reducers, in particular to a secondary transmission mechanism of a large heavy-duty mine electric truck.
背景技术Background technique
大型露天矿上用于运输的矿用重载卡车，其上驱动用的轮边减速机安装在轮胎中心部位，尺寸受制于轮胎，体积小、承载大、结构特殊，目前国内大型矿车所用的全部为进口，价格昂贵、维修保养成本高；结构机构复杂，由于减速器受力较大，易造成结构变形，长期使用后的稳定性较差，使用寿命短。Heavy-duty mining trucks used for transportation in large-scale open-pit mines. The wheel-side reducer for driving is installed in the center of the tires. The size is limited by the tires. It is small in size, large in load, and has a special structure. All of them are imported, which are expensive and costly to maintain; the structural mechanism is complicated, and the reducer is easily deformed due to the large force on the reducer. After long-term use, the stability is poor and the service life is short.
因此，为解决以上问题，需要一种大型重载矿用电动卡车二级传动机构，能够配合一级传动机构，有效改善受力情况，提高使用寿命，保证安全，同时，结构简单，成本低廉。Therefore, in order to solve the above problems, a secondary transmission mechanism of a large heavy-duty mining electric truck is needed, which can cooperate with the primary transmission mechanism to effectively improve the stress situation, increase the service life, and ensure safety. At the same time, the structure is simple and the cost is low.
发明内容Contents of the invention
有鉴于此，本发明的目的是克服现有技术中的缺陷，提供大型重载矿用电动卡车二级传动机构，能够配合一级传动机构，有效改善受力情况，提高使用寿命，保证安全，同时，结构简单，成本低廉。In view of this, the purpose of the present invention is to overcome the defects in the prior art, to provide a secondary transmission mechanism of a large heavy-duty mining electric truck, which can cooperate with the primary transmission mechanism, effectively improve the stress situation, increase the service life, and ensure safety. At the same time, the structure is simple and the cost is low.
本发明的大型重载矿用电动卡车二级传动机构，所述二级传动机构为行星齿轮机构，所述二级传动机构的二级内齿圈作为二级传动机构的动力输出件与轮毂传动连接；二级传动机构的二级行星架沿周向通过支撑套固定于车架，所述二级传动机构的太阳轮为太阳轮套，所述太阳轮套沿轴向延伸形成用于作为二级传动机构动力输入端的延伸段。In the secondary transmission mechanism of the large heavy-duty mine electric truck of the present invention, the secondary transmission mechanism is a planetary gear mechanism, and the secondary internal ring gear of the secondary transmission mechanism is used as the power output part and the hub transmission of the secondary transmission mechanism. Connection; the secondary planet carrier of the secondary transmission mechanism is fixed to the vehicle frame through the supporting sleeve along the circumferential direction, and the sun gear of the secondary transmission mechanism is a sun gear sleeve, and the sun gear sleeve is extended in the axial direction to be used as a secondary The extension section of the power input end of the stage transmission mechanism.
进一步，所述二级传动机构的二级行星架为内部设置有行星轮安装槽的二级行星安装套，所述二级行星安装套的内侧端面沿轴向延伸形成周向固定内齿圈，二级传动机构还包括设置于周向固定内齿圈和支撑套之间的固定齿轮，所述固定齿轮的外圆通过设置外齿与周向固定内齿圈啮合，固定齿轮的内圆通过设置内齿与设置于支撑套外圆的外齿啮合。Further, the secondary planet carrier of the secondary transmission mechanism is a secondary planetary mounting sleeve with a planetary gear mounting groove inside, and the inner end surface of the secondary planetary mounting sleeve extends axially to form a circumferentially fixed ring gear, The two-stage transmission mechanism also includes a fixed gear arranged between the circumferentially fixed ring gear and the supporting sleeve, the outer circle of the fixed gear meshes with the circumferentially fixed ring gear by setting the outer teeth, and the inner circle of the fixed gear is set by setting The inner teeth mesh with the outer teeth arranged on the outer circle of the support sleeve.
进一步，所述太阳轮套的外端面还设置有轴向固定环，所述轴向固定环通过螺栓固定于太阳轮套的外端面。Further, the outer end surface of the sun gear sleeve is also provided with an axial fixing ring, and the axial fixing ring is fixed to the outer end surface of the sun gear sleeve by bolts.
进一步，所述二级行星齿轮通过二级滚动轴承与二级行星轮轴转动安装于二级行星安装套的行星轮安装槽内，所述二级行星安装套的外圆设置于二级进油口，所述二级行星安装套内和二级行星轮轴内设置有共同形成连通于二级进油口和二级滚动轴承之间的润滑油道，所述二级行星安装套一体形成用于安装二级行星轮轴的安装座，所述二级行星轮轴通过端面设置安装螺孔螺栓固定于二级行星安装套；所述二级行星齿轮为三个。Further, the secondary planetary gear is installed in the planetary gear mounting groove of the secondary planetary mounting sleeve through the secondary rolling bearing and the secondary planetary gear shaft, and the outer circle of the secondary planetary mounting sleeve is set at the secondary oil inlet. The two-stage planetary mounting sleeve and the secondary planetary wheel shaft are provided with a lubricating oil passage that is connected between the secondary oil inlet and the secondary rolling bearing. The secondary planetary mounting sleeve is integrally formed for mounting the secondary The mounting seat of the planetary wheel shaft, the secondary planetary wheel shaft is fixed to the secondary planetary mounting sleeve through the mounting screw hole bolts provided on the end surface; there are three secondary planetary gears.
本发明的有益效果是：本发明公开的一种大型重载矿用电动卡车二级传动机构，通过将二级传动机构的太阳轮设置为太阳轮套，二级行星安装套的内侧端面沿轴向延伸形成周向固定内齿圈，二级传动机构还包括设置于周向固定内齿圈和支撑套之间的固定齿轮，所述固定齿轮的外圆通过设置外齿与周向固定内齿圈啮合，固定齿轮的内圆通过设置内齿与设置于支撑套外圆的外齿啮合；利于改善受力，齿啮合利于反托受力缓冲，保证各部件形状稳定；结构紧凑，体积小，承载大，维修方便，成本低廉。The beneficial effects of the present invention are: the secondary transmission mechanism of a large heavy-duty mine electric truck disclosed by the present invention, by setting the sun gear of the secondary transmission mechanism as a sun gear sleeve, the inner end surface of the secondary planetary mounting sleeve is aligned along the shaft The two-stage transmission mechanism also includes a fixed gear arranged between the circumferentially fixed inner ring gear and the support sleeve, and the outer circle of the fixed gear is formed by setting external teeth and circumferentially fixed internal teeth. Ring meshing, the inner circle of the fixed gear meshes with the outer teeth arranged on the outer circle of the support sleeve through the inner teeth; it is beneficial to improve the force, and the meshing of the teeth is conducive to the anti-support force buffering, ensuring the shape stability of each part; compact structure, small size, Large load, easy maintenance and low cost.
附图说明Description of drawings
下面结合附图和实施例对本发明作进一步描述：The present invention will be further described below in conjunction with accompanying drawing and embodiment:
图1为本发明的结构示意图；Fig. 1 is a structural representation of the present invention;
图2为本发明安装后的结构示意图。Fig. 2 is a structural schematic diagram of the present invention after installation.
具体实施方式Detailed ways
图1为本发明的结构示意图，图2为本发明安装后的结构示意图，如图所示，本实施例中的大型重载矿用电动卡车二级传动机构；所述二级传动机构为行星齿轮机构，所述二级传动机构的二级内齿圈11作为二级传动机构的动力输出件与轮毂7传动连接；二级传动机构的二级行星架沿周向通过支撑套1固定于车架，所述二级传动机构的太阳轮27为太阳轮套27，所述太阳轮套沿轴向延伸形成用于作为二级传动机构动力输入端的延伸段；所述太阳轮套外圆设置外花键，装配方便，传动力矩大，承载强度更高，稳固性更强；结构紧凑，体积小，承载大，维修方便，成本低廉。Fig. 1 is a structural schematic diagram of the present invention, and Fig. 2 is a structural schematic diagram of the present invention after installation, as shown in the figure, the secondary transmission mechanism of the large heavy-duty mine electric truck in this embodiment; the secondary transmission mechanism is a planetary Gear mechanism, the secondary ring gear 11 of the secondary transmission mechanism is connected with the wheel hub 7 as the power output part of the secondary transmission mechanism; the secondary planet carrier of the secondary transmission mechanism is fixed on the vehicle through the supporting sleeve 1 along the circumferential direction frame, the sun gear 27 of the secondary transmission mechanism is a sun gear sleeve 27, and the sun gear sleeve extends axially to form an extension section used as the power input end of the secondary transmission mechanism; the outer circle of the sun gear sleeve is provided with an outer Spline, easy assembly, large transmission torque, higher bearing strength, stronger stability; compact structure, small size, large bearing capacity, convenient maintenance and low cost.
本实施例中，所述二级传动机构的二级行星架为内部设置有行星轮安装槽的二级行星安装套，所述二级行星安装套的内侧端面沿轴向延伸形成周向固定内齿圈，二级传动机构还包括设置于周向固定内齿圈和支撑套1之间的固定齿轮34，所述固定齿轮34的外圆通过设置外齿与周向固定内齿圈啮合，固定齿轮34的内圆通过设置内齿与设置于支撑套1外圆的外齿啮合；利于改善受力，齿啮合利于反托受力缓冲，保证各部件形状稳定。In this embodiment, the second-stage planet carrier of the two-stage transmission mechanism is a second-stage planetary installation sleeve provided with planetary gear installation grooves inside, and the inner end surface of the second-stage planetary installation sleeve extends axially to form a circumferentially fixed inner The ring gear, the two-stage transmission mechanism also includes a fixed gear 34 arranged between the circumferentially fixed ring gear and the support sleeve 1, the outer circle of the fixed gear 34 is meshed with the circumferentially fixed ring gear by setting external teeth, and fixed The inner circle of the gear 34 meshes with the outer teeth arranged on the outer circle of the support sleeve 1 by setting the inner teeth; it is beneficial to improve the force, and the meshing of the teeth is beneficial to counter-support force buffering and ensures the shape stability of each component.
本实施例中，所述太阳轮套的外端面还设置有轴向固定环，所述轴向固定环通过螺栓固定于太阳轮套的外端面；装拆方便，安装稳定。In this embodiment, the outer end surface of the sun gear sleeve is further provided with an axial fixing ring, and the axial fixing ring is fixed to the outer end surface of the sun gear sleeve through bolts; it is easy to assemble and disassemble, and the installation is stable.
本实施例中，所述二级行星齿轮通过二级滚动轴承与二级行星轮轴29转动安装于二级行星安装套的行星轮安装槽内，所述二级行星安装套的外圆设置于二级进油口，所述二级行星安装套内和二级行星轮轴29内设置有共同形成连通于二级进油口和二级滚动轴承之间的润滑油道，所述二级行星安装套一体形成用于安装二级行星轮轴29的安装座，所述二级行星轮轴29通过端面设置安装螺孔螺栓固定于二级行星安装套；所述二级行星齿轮30为三个；利于润滑，同时受力分别合理。In this embodiment, the second-stage planetary gear is installed in the planetary gear installation groove of the second-stage planetary installation sleeve through the second-stage rolling bearing and the second-stage planetary wheel shaft 29, and the outer circle of the second-stage planetary installation sleeve is set on the second-stage The oil inlet, the secondary planetary mounting sleeve and the secondary planetary wheel shaft 29 are provided with a lubricating oil passage that is connected between the secondary oil inlet and the secondary rolling bearing, and the secondary planetary mounting sleeve is integrally formed The mounting seat for installing the secondary planetary wheel shaft 29, the secondary planetary wheel shaft 29 is fixed to the secondary planetary mounting sleeve through the mounting screw hole bolts provided on the end surface; there are three secondary planetary gears 30; The power is reasonable respectively.
所述二级传动机构还包括T形套33，所述T形套33的中间管内套于支撑套1小端内圆，T形套33的翼环通过螺栓固定于支撑套1端面并对固定齿轮34形成轴向限位；所述T形套33的中间管内圆通过轴承外套于动力输入轴25，且T形套33的中间管小头端还设置现有的动密封机构用于对动力输入轴25外圆轴向进行密封。The two-stage transmission mechanism also includes a T-shaped sleeve 33, the middle tube of the T-shaped sleeve 33 is sleeved on the inner circle of the small end of the support sleeve 1, and the wing ring of the T-shaped sleeve 33 is fixed to the end surface of the support sleeve 1 by bolts and fixed to the support sleeve 1. The gear 34 forms an axial limit; the inner circle of the intermediate tube of the T-shaped sleeve 33 is overlaid on the power input shaft 25 through a bearing, and the small end of the intermediate tube of the T-shaped sleeve 33 is also provided with an existing dynamic sealing mechanism for the power input shaft. The outer circle of the input shaft 25 is axially sealed.
所述支撑套1的小头端外圆设置有用于安装固定齿轮34并防止固定齿轮34转动的外花键；如图所示，方便支撑套1与固定齿轮34之间沿周向形成缓冲间隙，避免轮毂反托使支撑套1形变。The outer circle of the small end of the support sleeve 1 is provided with an external spline for installing the fixed gear 34 and preventing the rotation of the fixed gear 34; as shown in the figure, it is convenient to form a buffer gap between the support sleeve 1 and the fixed gear 34 in the circumferential direction , to avoid deformation of the support sleeve 1 caused by the reverse support of the hub.
最后说明的是，以上实施例仅用以说明本发明的技术方案而非限制，尽管参照较佳实施例对本发明进行了详细说明，本领域的普通技术人员应当理解，可以对本发明的技术方案进行修改或者等同替换，而不脱离本发明技术方案的宗旨和范围，其均应涵盖在本发明的权利要求范围当中。Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present invention without limitation. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be carried out Modifications or equivalent replacements without departing from the spirit and scope of the technical solution of the present invention shall be covered by the claims of the present invention.
Claims (4)
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| CN201810279167.4A CN108468755A (en) | 2018-03-31 | 2018-03-31 | Large-scale heavy duty mining electric truck secondary drive mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11413946B2 (en) * | 2018-10-04 | 2022-08-16 | Gkn Automotive Limited | Electric drive with cooling |
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Application publication date: 20180831 |