CN106286748A - Dual input multi-change speed worm reducer - Google Patents
Dual input multi-change speed worm reducer Download PDFInfo
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- CN106286748A CN106286748A CN201610894310.1A CN201610894310A CN106286748A CN 106286748 A CN106286748 A CN 106286748A CN 201610894310 A CN201610894310 A CN 201610894310A CN 106286748 A CN106286748 A CN 106286748A
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 24
- 230000009977 dual effect Effects 0.000 title 1
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 244000144985 peep Species 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 2
- 238000005272 metallurgy Methods 0.000 abstract description 6
- 238000005065 mining Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001360 synchronised effect Effects 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
- 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
- F16H37/04—Combinations of toothed gearings only
- F16H37/041—Combinations of toothed gearings only for conveying rotary motion with constant gear ratio
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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
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/22—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H1/222—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with non-parallel axes
- F16H1/225—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with non-parallel axes with two or more worm and worm-wheel gearings
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Abstract
本发明公开了一种双输入多级变速蜗杆减速器，包括第一输入机构、第二输入机构、传动机构及输出轴；所述第一输入机构包括用于与第一驱动器连接的第一蜗杆及与第一蜗杆啮合传动的第一蜗轮；所述第二输入机构包括用于与第二驱动器连接的第二蜗杆及与第二蜗杆啮合传动的第二蜗轮；所述传动机构包括锥齿轮Ⅰ、锥齿轮Ⅱ、锥齿轮Ⅲ、锥齿轮Ⅳ和行星架；本发明能够输出多种不同的转速，且传动比大、结构紧凑、可靠性高，可广泛用于混合动力汽车、矿山冶金、光电风电、船舶航海及轨道交通等领域的主传动系统。
The invention discloses a double-input multi-stage variable-speed worm reducer, which includes a first input mechanism, a second input mechanism, a transmission mechanism and an output shaft; the first input mechanism includes a first worm for connecting with a first driver and the first worm gear engaged with the first worm; the second input mechanism includes a second worm connected to the second driver and a second worm gear engaged with the second worm; the transmission mechanism includes a bevel gear I , bevel gear II, bevel gear III, bevel gear IV and planet carrier; the invention can output a variety of different speeds, and has a large transmission ratio, compact structure and high reliability, and can be widely used in hybrid vehicles, mining metallurgy, photoelectric The main transmission system of wind power, ship navigation and rail transit and other fields.
Description
技术领域technical field
本发明涉及一种减速器，特别涉及一种双输入多级变速蜗杆减速器。The invention relates to a reducer, in particular to a double-input multi-stage variable speed worm reducer.
背景技术Background technique
蜗杆减速器是减速器的一种主要形式，用于传递空间两交错轴之间的运动和动力，具有传动比范围宽(通常一级传动比即可达5～100)、结构紧凑、体积小、运动平稳、噪声低等优点，因此广泛应用于航空航天、船舶航海、冶金矿山、石油化工、建筑轻工等领域。随着科技的发展和需求的提升，混合动力汽车、矿山冶金、光电风电、船舶航海及轨道交通等领域的主传动系统提出了双输入、多级变速、传动比大、结构紧凑、功率密度大等要求。Worm reducer is a main form of reducer, which is used to transmit motion and power between two interlaced shafts in space. It has a wide range of transmission ratio (usually the first-stage transmission ratio can reach 5-100), compact structure and small size. , stable movement, low noise and other advantages, so it is widely used in aerospace, ship navigation, metallurgy and mining, petrochemical, construction and light industry and other fields. With the development of science and technology and the improvement of demand, the main drive system in the fields of hybrid electric vehicles, mining metallurgy, photovoltaic and wind power, ship navigation and rail transit has proposed dual-input, multi-stage transmission, large transmission ratio, compact structure, and high power density. Wait for the request.
发明内容Contents of the invention
有鉴于此，本发明的目的在于提供一种双输入多级变速蜗杆减速器，能够输出多种不同的转速，且传动比大、结构紧凑、可靠性高，可广泛用于混合动力汽车、矿山冶金、光电风电、船舶航海及轨道交通等领域的主传动系统。In view of this, the purpose of the present invention is to provide a double-input multi-stage variable speed worm reducer, which can output a variety of different speeds, and has a large transmission ratio, compact structure, and high reliability, and can be widely used in hybrid vehicles, mines, etc. The main transmission system in the fields of metallurgy, photovoltaic and wind power, ship navigation and rail transit.
本发明的双输入多级变速蜗杆减速器，包括第一输入机构、第二输入机构、传动机构及输出轴；所述第一输入机构包括用于与第一驱动器连接的第一蜗杆及与第一蜗杆啮合传动的第一蜗轮；所述第二输入机构包括用于与第二驱动器连接的第二蜗杆及与第二蜗杆啮合传动的第二蜗轮；所述传动机构包括锥齿轮Ⅰ、锥齿轮Ⅱ、锥齿轮Ⅲ、锥齿轮Ⅳ和行星架，所述锥齿轮Ⅰ与锥齿轮Ⅱ左右对称设置，所述锥齿轮Ⅲ与锥齿轮Ⅳ上下对称设置，所述锥齿轮Ⅰ与锥齿轮Ⅲ及锥齿轮Ⅳ啮合传动，所述锥齿轮Ⅱ与锥齿轮Ⅲ及锥齿轮Ⅳ啮合传动，所述行星架设在四个锥齿轮之间并与锥齿轮Ⅲ及锥齿轮Ⅳ同步转动；所述第一蜗轮与锥齿轮Ⅰ固定连接，所述第二蜗轮与锥齿轮Ⅱ固定连接；所述行星架的中部设有用于固定输出轴的固定孔，所述锥齿轮Ⅰ、锥齿轮Ⅱ上对应设有用于供输出轴穿过的过孔Ⅰ、过孔Ⅱ；输出轴依次穿过过孔Ⅰ、固定孔及过孔Ⅱ并与行星架同步转动。The double-input multi-stage variable speed worm reducer of the present invention includes a first input mechanism, a second input mechanism, a transmission mechanism, and an output shaft; A first worm gear for worm meshing transmission; the second input mechanism includes a second worm for connecting with the second driver and a second worm gear for meshing transmission with the second worm; the transmission mechanism includes bevel gear I, bevel gear II, bevel gear III, bevel gear IV and planet carrier, the bevel gear I and bevel gear II are symmetrically arranged left and right, the bevel gear III and bevel gear IV are arranged vertically symmetrically, the bevel gear I, bevel gear III and bevel gear Gear IV meshing transmission, the bevel gear II meshes with bevel gear III and bevel gear IV, the planet is set between the four bevel gears and rotates synchronously with bevel gear III and bevel gear IV; the first worm gear and bevel gear IV The bevel gear I is fixedly connected, and the second worm gear is fixedly connected with the bevel gear II; the middle part of the planet carrier is provided with a fixing hole for fixing the output shaft, and the bevel gear I and bevel gear II are correspondingly provided with for output The shaft passes through the hole I and the hole II; the output shaft passes through the hole I, the fixing hole and the hole II in sequence and rotates synchronously with the planet carrier.
进一步，所述锥齿轮Ⅰ的小端设有用于安装第一蜗轮并对第一蜗轮轴向和径向定位的台阶端面Ⅰ，所述第一蜗轮外套于台阶端面Ⅰ的阶梯轴段后通过定位件Ⅰ固定在锥齿轮Ⅰ上。Further, the small end of the bevel gear I is provided with a stepped end face I for installing the first worm gear and positioning the first worm gear axially and radially. Part I is fixed on the bevel gear I.
进一步，所述锥齿轮Ⅱ的小端设有用于安装第二蜗轮并对第二蜗轮轴向和径向定位的台阶端面Ⅱ，所述第二蜗轮外套于台阶端面Ⅱ的阶梯轴段后通过定位件Ⅱ固定在锥齿轮Ⅱ上。Further, the small end of the bevel gear II is provided with a stepped end surface II for installing the second worm wheel and positioning the second worm wheel axially and radially, and the second worm wheel is sheathed on the stepped shaft section of the stepped end surface II and then positioned Part II is fixed on the bevel gear II.
进一步，所述行星架包括架体，所述架体上端面向上延伸形成上定位轴，所述架体下端面向下延伸形成下定位轴，所述锥齿轮Ⅲ上设有用于供上定位轴穿过的过孔Ⅲ，所述锥齿轮Ⅳ上设有用于供下定位轴穿过的过孔Ⅳ，所述上定位轴穿过过孔Ⅲ并固定连接，所述下定位轴穿过过孔Ⅳ并固定连接。Further, the planetary carrier includes a frame, the upper end of the frame extends upwards to form an upper positioning shaft, the lower end of the frame extends downwards to form a lower positioning shaft, and the bevel gear III is provided with a Through hole III, the bevel gear IV is provided with a through hole IV for the lower positioning shaft to pass through, the upper positioning shaft passes through the through hole III and is fixedly connected, and the lower positioning shaft passes through the through hole IV and secure the connection.
进一步，所述过孔Ⅰ及过孔Ⅱ中均设有用于支撑输出轴的第一支撑轴承组，所述过孔Ⅲ中设有用于支撑上定位轴的第二支撑轴承组，所述过孔Ⅳ中设有用于支撑下定位轴的第三支撑轴承组，所述第一支撑轴承组、第二支撑轴承组及第三支撑轴承组均采用两个背对背形式安装的角接触轴承。Further, the through hole I and the through hole II are provided with a first support bearing group for supporting the output shaft, and the through hole III is provided with a second support bearing group for supporting the upper positioning shaft, and the through hole In IV, there is a third supporting bearing group for supporting the lower positioning shaft. The first supporting bearing group, the second supporting bearing group and the third supporting bearing group all adopt two angular contact bearings installed back to back.
进一步，该减速器还包括用于容置传动机构的箱体，所述箱体一体成型形成轴座Ⅰ及轴座Ⅱ，所述输出轴通过轴承Ⅰ转动配合穿过轴座Ⅰ，所述第一蜗杆、第二蜗杆均通过轴承Ⅱ转动配合穿过对应的轴座Ⅱ。Further, the reducer also includes a box body for accommodating the transmission mechanism. The box body is integrally formed to form the shaft seat I and the shaft seat II. The output shaft passes through the shaft seat I through the rotation fit of the bearing I. The first Both the first worm and the second worm pass through the corresponding shaft seat II through the rotation fit of the bearing II.
进一步，所述角接触轴承、轴承Ⅰ及轴承Ⅱ均为圆锥滚子轴承结构或者角接触球轴承结构。Further, the angular contact bearings, bearing I and bearing II are all tapered roller bearing structures or angular contact ball bearing structures.
进一步，所述箱体上设有窥视口，通过第一螺栓和密封垫片将盖板固定在箱体上覆盖窥视口；所述盖板设有排气孔，排气孔上安装有第二螺栓并通过螺母连接固定。Further, the box body is provided with a peep hole, and the cover plate is fixed on the box body to cover the peep hole through the first bolts and sealing gaskets; the cover plate is provided with a vent hole, and a second Bolts and fastened by nuts.
进一步，所述轴座Ⅰ及轴座Ⅱ上均以可拆卸方式连接有轴盖，所述轴盖上一体成型形成用于对应压紧轴承Ⅰ外圈或轴承Ⅱ外圈的压环。Further, both the shaft seat I and the shaft seat II are detachably connected with a shaft cover, and the shaft cover is integrally formed to form a pressing ring for correspondingly pressing the outer ring of the bearing I or the outer ring of the bearing II.
进一步，所述第一蜗杆及第二蜗杆平行设置，且所述第一蜗杆、第二蜗杆与输出轴呈异面垂直关系。Further, the first worm and the second worm are arranged in parallel, and the first worm, the second worm and the output shaft are perpendicular to each other.
本发明的有益效果：本发明的双输入多级变速蜗杆减速器，第一驱动器连接第一蜗杆，第二驱动器连接第二蜗杆，依据两驱动器各自不同的正转、反转及停止状态，通过锥齿轮差动轮系结构的传动机构传动至输出轴后，能够输出多种不同的转速，且以蜗杆蜗轮作为动力输入构件，行星架作为动力输出构件，其传动比大、结构紧凑、可靠性高，可广泛用于混合动力汽车、矿山冶金、光电风电、船舶航海及轨道交通等领域的主传动系统。Beneficial effects of the present invention: In the double-input multi-stage variable speed worm reducer of the present invention, the first driver is connected to the first worm, and the second driver is connected to the second worm. After the transmission mechanism of the bevel gear differential gear train structure is transmitted to the output shaft, it can output a variety of different speeds, and the worm gear is used as the power input component, and the planetary carrier is used as the power output component. It has a large transmission ratio, compact structure, and reliability. High, can be widely used in the main transmission system of hybrid electric vehicles, mining metallurgy, photovoltaic wind power, ship navigation and rail transit and other fields.
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为本发明的传动原理图；Fig. 1 is a transmission schematic diagram of the present invention;
图2为本发明的立体结构示意图；Fig. 2 is the three-dimensional structure schematic diagram of the present invention;
图3为本发明的全剖视图。Fig. 3 is a full sectional view of the present invention.
具体实施方式detailed description
图1为本发明的传动原理图，图2为本发明的立体结构示意图，图3为本发明的全剖视图，如图所示：本发明的双输入多级变速蜗杆减速器，包括第一输入机构、第二输入机构、传动机构及输出轴40；所述第一输入机构包括用于与第一驱动器(图中未示出)连接的第一蜗杆11及与第一蜗杆11啮合传动的第一蜗轮12；所述第二输入机构包括用于与第二驱动器(图中未示出)连接的第二蜗杆21及与第二蜗杆21啮合传动的第二蜗轮22；所述传动机构包括锥齿轮Ⅰ31、锥齿轮Ⅱ32、锥齿轮Ⅲ33、锥齿轮Ⅳ34和行星架35，所述锥齿轮Ⅰ31与锥齿轮Ⅱ32左右对称设置，所述锥齿轮Ⅲ33与锥齿轮Ⅳ34上下对称设置，所述锥齿轮Ⅰ31与锥齿轮Ⅲ33及锥齿轮Ⅳ34啮合传动，所述锥齿轮Ⅱ32与锥齿轮Ⅲ33及锥齿轮Ⅳ34啮合传动，所述行星架35设在四个锥齿轮之间并与锥齿轮Ⅲ33及锥齿轮Ⅳ34同步转动；所述第一蜗轮12与锥齿轮Ⅰ31固定连接，所述第二蜗轮22与锥齿轮Ⅱ32固定连接；所述行星架35的中部设有用于固定输出轴40的固定孔35a，所述锥齿轮Ⅰ31、锥齿轮Ⅱ32上对应设有用于供输出轴40穿过的过孔Ⅰ31a、过孔Ⅱ32a；输出轴40依次穿过过孔Ⅰ31a、固定孔35a及过孔Ⅱ32a并与行星架35同步转动；第一驱动器、第二驱动器可为电机或者内燃机结构，只要能作为动力源即可；锥齿轮Ⅰ31与锥齿轮Ⅱ32的结构相同，锥齿轮Ⅲ33与锥齿轮Ⅳ34的结构相同；左、右、上、下均以图3所示方向为准；输出轴40的中心线与行星架35的中心线重合；第一蜗轮12、第二蜗轮22均采用单头大速比设计，具有自锁功能；输出轴40与行星架35之间可通过平键连接，以实现联动；所述第一蜗杆11及第二蜗杆21平行设置，且所述第一蜗杆11、第二蜗杆21与输出轴40呈异面垂直关系；第一驱动器连接第一蜗杆11，第二驱动器连接第二蜗杆21，依据两驱动器各自不同的正转、反转及停止状态，通过锥齿轮差动轮系结构的传动机构传动至输出轴40后，能够输出多种不同的转速，且以蜗杆蜗轮作为动力输入构件，行星架35作为动力输出构件，其传动比大、结构紧凑、可靠性高，可广泛用于混合动力汽车、矿山冶金、光电风电、船舶航海及轨道交通等领域的主传动系统。Fig. 1 is a transmission schematic diagram of the present invention, Fig. 2 is a schematic diagram of a three-dimensional structure of the present invention, and Fig. 3 is a full sectional view of the present invention, as shown in the figure: the double-input multi-stage variable speed worm reducer of the present invention includes a first input mechanism, a second input mechanism, a transmission mechanism and an output shaft 40; the first input mechanism includes a first worm 11 for connecting with a first driver (not shown in the figure) and a first worm 11 meshed with the first worm 11 for transmission. A worm wheel 12; the second input mechanism includes a second worm wheel 21 for connecting with a second driver (not shown in the figure) and a second worm wheel 22 meshed with the second worm wheel 21; the transmission mechanism includes a cone Gear I31, bevel gear II32, bevel gear III33, bevel gear IV34 and planet carrier 35, said bevel gear I31 and bevel gear II32 are left and right symmetrically arranged, said bevel gear III33 and bevel gear IV34 are arranged vertically symmetrically, said bevel gear I31 Mesh transmission with bevel gear III33 and bevel gear IV34, the bevel gear II32 is engaged with bevel gear III33 and bevel gear IV34, and the planet carrier 35 is set between the four bevel gears and synchronized with bevel gear III33 and bevel gear IV34 rotation; the first worm gear 12 is fixedly connected to the bevel gear I31, and the second worm gear 22 is fixedly connected to the bevel gear II32; the middle part of the planet carrier 35 is provided with a fixing hole 35a for fixing the output shaft 40, and the bevel The gear I31 and the bevel gear II32 are correspondingly provided with the through hole I31a and the through hole II32a for the output shaft 40 to pass through; ; The first driver and the second driver can be of motor or internal combustion engine structure, as long as they can be used as a power source; , and below are all subject to the direction shown in Figure 3; the centerline of the output shaft 40 coincides with the centerline of the planet carrier 35; the first worm gear 12 and the second worm gear 22 are designed with a single head and a large speed ratio, and have a self-locking function; The output shaft 40 and the planet carrier 35 can be connected by a flat key to realize linkage; the first worm 11 and the second worm 21 are arranged in parallel, and the first worm 11, the second worm 21 and the output shaft 40 are in the form of The vertical relationship of different planes; the first driver is connected to the first worm 11, and the second driver is connected to the second worm 21. According to the respective forward rotation, reverse rotation and stop states of the two drivers, the drive is transmitted through the transmission mechanism of the bevel gear differential train structure. After reaching the output shaft 40, it can output a variety of different rotating speeds, and the worm gear is used as the power input member, and the planetary carrier 35 is used as the power output member. It has a large transmission ratio, compact structure, and high reliability, and can be widely used in hybrid vehicles. , mining metallurgy, photoelectric wind power, ship navigation and rail transit and other fields of the main drive system.
本实施例中，所述锥齿轮Ⅰ31的小端设有用于安装第一蜗轮12并对第一蜗轮12轴向和径向定位的台阶端面Ⅰ，所述第一蜗轮12外套于台阶端面Ⅰ的阶梯轴段后通过定位件Ⅰ51固定在锥齿轮Ⅰ31上；所述锥齿轮Ⅱ32的小端设有用于安装第二蜗轮22并对第二蜗轮22轴向和径向定位的台阶端面Ⅱ，所述第二蜗轮22外套于台阶端面Ⅱ的阶梯轴段后通过定位件Ⅱ52固定在锥齿轮Ⅱ32上；锥齿轮Ⅰ31、锥齿轮Ⅱ32的大端设有锥盘，锥盘上设有轮齿，小端即大端的另一侧；第一蜗轮12、第二蜗轮22分别与台阶端面Ⅰ、台阶端面Ⅱ过盈配合，定位件Ⅰ51、定位件Ⅱ52平行于输出轴40设置，定位件Ⅰ51、定位件Ⅱ52优选为骑缝螺钉；该结构有利于提高第一蜗轮12、第二蜗轮22与锥齿轮Ⅰ31、锥齿轮Ⅱ32连接的稳固度，提高运动时的平稳性，且使得减速器的结构更为紧凑，便于装配。In this embodiment, the small end of the bevel gear I31 is provided with a stepped end surface I for installing the first worm wheel 12 and positioning the first worm wheel 12 axially and radially, and the first worm wheel 12 is sleeved on the stepped end surface I. The stepped shaft section is fixed on the bevel gear I31 through the positioning piece I51; the small end of the bevel gear II32 is provided with a stepped end face II for installing the second worm gear 22 and positioning the second worm gear 22 axially and radially. The second worm gear 22 is overlaid on the stepped shaft section of the step end face II and fixed on the bevel gear II32 through the positioning piece II52; the large end of the bevel gear I31 and the bevel gear II32 is provided with a conical disc, and the conical disc is provided with gear teeth, and the small end That is, the other side of the big end; the first worm wheel 12 and the second worm wheel 22 are interference fit with the step end face I and the step end face II respectively, the positioning part I51 and the positioning part II52 are set parallel to the output shaft 40, the positioning part I51 and the positioning part II52 Seam-riding screws are preferred; this structure is conducive to improving the stability of the connection between the first worm gear 12 and the second worm gear 22 and the bevel gear I31 and bevel gear II32, improving the stability during movement, and making the structure of the reducer more compact and convenient assembly.
本实施例中，所述行星架35包括架体，所述架体上端面向上延伸形成上定位轴351，所述架体下端面向下延伸形成下定位轴352，所述锥齿轮Ⅲ33上设有用于供上定位轴351穿过的过孔Ⅲ33a，所述锥齿轮Ⅳ34上设有用于供下定位轴352穿过的过孔Ⅳ34a，所述上定位轴351穿过过孔Ⅲ33a并固定连接，所述下定位轴352穿过过孔Ⅳ34a并固定连接；行星架35为一体式结构，结构强度高，传动稳定。In this embodiment, the planet carrier 35 includes a frame body, the upper end of the frame extends upwards to form an upper positioning shaft 351, the lower end of the frame extends downwards to form a lower positioning shaft 352, and the bevel gear III 33 is provided with a In the via hole III33a for the upper positioning shaft 351 to pass through, the bevel gear IV34 is provided with a via hole IV34a for the lower positioning shaft 352 to pass through, and the upper positioning shaft 351 passes through the via hole III33a and is fixedly connected. The positioning shaft 352 described above passes through the through hole IV 34a and is fixedly connected; the planet carrier 35 has an integral structure with high structural strength and stable transmission.
本实施例中，所述过孔Ⅰ31a及过孔Ⅱ32a中均设有用于支撑输出轴40的第一支撑轴承组61，所述过孔Ⅲ33a中设有用于支撑上定位轴351的第二支撑轴承组62，所述过孔Ⅳ34a中设有用于支撑下定位轴352的第三支撑轴承组63，所述第一支撑轴承组61、第二支撑轴承组62及第三支撑轴承组63均包括至少两个采用背对背形式安装的角接触轴承；角接触轴承中，接触的受力处具有一定的角度、能承受一定的轴向力，使支撑更为稳固；角接触轴承可为圆锥滚子轴承结构或者角接触球轴承结构。In this embodiment, the first support bearing group 61 for supporting the output shaft 40 is provided in the through hole I31a and the through hole II32a, and the second support bearing for supporting the upper positioning shaft 351 is provided in the through hole III33a. Group 62, the third support bearing group 63 for supporting the lower positioning shaft 352 is provided in the through hole IV 34a, and the first support bearing group 61, the second support bearing group 62 and the third support bearing group 63 all include at least Two angular contact bearings installed back-to-back; in the angular contact bearing, the contact point has a certain angle and can withstand a certain axial force, making the support more stable; the angular contact bearing can be a tapered roller bearing structure Or angular contact ball bearing structure.
本实施例中，该减速器还包括用于容置传动机构的箱体7，所述箱体7一体成型形成轴座Ⅰ7a及轴座Ⅱ7b，所述输出轴40通过轴承Ⅰ64转动配合穿过轴座Ⅰ7a，所述第一蜗杆11、第二蜗杆21均通过轴承Ⅱ65转动配合穿过对应的轴座Ⅱ7b；所述轴承Ⅰ64及轴承Ⅱ65均可为圆锥滚子轴承结构或者角接触球轴承结构；输出轴40、上定位轴351、下定位轴352、第一蜗杆11及第二蜗杆21均可通过止动垫片及圆螺母的配合而固定在相应轴承件上；箱体7底部可形成底座，底座上开有放油孔；所述箱体7上设有窥视口，通过第一螺栓72和密封垫片73将盖板71固定在箱体7上覆盖窥视口；所述盖板71设有排气孔，排气孔上安装有第二螺栓74并通过螺母75连接固定；所述轴座Ⅰ7a及轴座Ⅱ7b上均以可拆卸方式连接有轴盖76，所述轴盖76上一体成型形成用于对应压紧轴承Ⅰ64外圈或轴承Ⅱ65外圈的压环76a，提高轴承Ⅰ64与轴承Ⅱ65的安装稳固性，同时简化装配工艺；输出轴40穿出轴座Ⅰ7a的位置设有设有骨架油封。In this embodiment, the reducer also includes a box body 7 for accommodating the transmission mechanism. The box body 7 is integrally formed to form a shaft seat I7a and a shaft seat II7b. The output shaft 40 passes through the shaft through the bearing I64. Seat I7a, the first worm 11 and the second worm 21 pass through the corresponding shaft seat II7b through the rotation fit of the bearing II65; the bearing I64 and the bearing II65 can be tapered roller bearing structure or angular contact ball bearing structure; The output shaft 40, the upper positioning shaft 351, the lower positioning shaft 352, the first worm 11 and the second worm 21 can all be fixed on the corresponding bearing parts through the cooperation of the stop washer and the round nut; the bottom of the box body 7 can form a base , the base has an oil discharge hole; the box body 7 is provided with a peep hole, and the cover plate 71 is fixed on the box body 7 by the first bolt 72 and the gasket 73 to cover the peep hole; the cover plate 71 is provided There is a vent hole, and the second bolt 74 is installed on the vent hole and connected and fixed by a nut 75; the shaft seat I7a and the shaft seat II7b are connected with a shaft cover 76 in a detachable manner, and the shaft cover 76 is integrated The pressure ring 76a used to press the outer ring of the bearing I64 or the outer ring of the bearing II65 is formed by molding, so as to improve the installation stability of the bearing I64 and the bearing II65, and simplify the assembly process; There is a skeleton oil seal.
为了实现本发明的功能要求，可设计第一蜗杆11为头数z11＝1的右旋单头蜗杆，第二蜗杆21为头数z21＝1的右旋单头蜗杆，第一蜗轮12的齿数z12＝100，第二蜗轮22的齿数z22＝100，锥齿轮Ⅲ33的齿数z33＝21，锥齿轮Ⅳ34的齿数z34＝21，锥齿轮Ⅰ31的齿数z31＝61，、锥齿轮Ⅱ32的齿数z32＝61，与第一蜗杆11连接的第一驱动器为转速n1的三相异步电机，与第二蜗杆21连接的第二驱动器为转速n2的三相异步电机，输出轴40的转速为n3，可存在以下八种变速输出情况：In order to realize the functional requirements of the present invention, the first worm 11 can be designed as a right-handed single-head worm with the number of heads z 11 =1, and the second worm 21 is a right-handed single-headed worm with the number of heads z 21 =1, and the first worm gear 12 The number of teeth z 12 =100, the number of teeth z 22 =100 of the second worm gear 22, the number of teeth z 33 =21 of the bevel gear III33, the number of teeth z34 of the bevel gear IV34 =21, the number of teeth z31 of the bevel gear I31 =61, The number of teeth z 32 of gear II 32 = 61, the first driver connected to the first worm 11 is a three-phase asynchronous motor with a speed of n 1 , the second driver connected with the second worm 21 is a three-phase asynchronous motor with a speed of n 2 , and the output The rotational speed of the shaft 40 is n 3 , and the following eight variable speed output situations may exist:
1)n1＝3000rpm，n2＝1000rpm，则输出转速n3＝20rpm；1) n 1 =3000rpm, n 2 =1000rpm, then the output speed n 3 =20rpm;
2)n1＝3000rpm，n2＝0rpm，则输出转速n3＝15rpm；2) n 1 =3000rpm, n 2 =0rpm, then the output speed n 3 =15rpm;
3)n1＝3000rpm，n2＝-1000rpm，则输出转速n3＝10rpm；3) n 1 =3000rpm, n 2 =-1000rpm, then the output speed n 3 =10rpm;
4)n1＝-3000rpm，n2＝1000rpm，则输出转速n3＝-10rpm；4) n 1 =-3000rpm, n 2 =1000rpm, then the output speed n 3 =-10rpm;
5)n1＝-3000rpm，n2＝0rpm，则输出转速n3＝-15rpm；5) n 1 =-3000rpm, n 2 =0rpm, then the output speed n 3 =-15rpm;
6)n1＝-3000rpm，n2＝-1000rpm，则输出转速n3＝-20rpm；6) n 1 =-3000rpm, n 2 =-1000rpm, then the output speed n 3 =-20rpm;
7)n1＝0rpm，n2＝1000rpm，则输出转速n3＝5rpm；7) n 1 =0rpm, n 2 =1000rpm, then the output speed n 3 =5rpm;
8)n1＝0rpm，n2＝-1000rpm，则输出转速n3＝-5rpm。8) n 1 =0 rpm, n 2 =-1000 rpm, then the output speed n 3 =-5 rpm.
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.
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| CN109083996A (en) * | 2018-08-28 | 2018-12-25 | 蚌埠市腾宇水产养殖农民专业合作社 | A kind of low abrasion gearbox of paddy field rotary cultivator |
| CN109835489A (en) * | 2019-02-21 | 2019-06-04 | 重庆大学 | A kind of cold standby oiling switch on/off electric transmission mechanism for aviation |
| CN112696465A (en) * | 2019-10-23 | 2021-04-23 | 江苏中信博新能源科技股份有限公司 | Multipoint parallel synchronous driving device and application thereof |
| CN112696465B (en) * | 2019-10-23 | 2024-02-27 | 江苏中信博新能源科技股份有限公司 | Multi-point parallel synchronous driving device and application thereof |
| CN112228532A (en) * | 2020-11-24 | 2021-01-15 | 禹州市富禹机械配件有限公司 | Reduction worm gear device for gear transmission of agricultural machinery |
| CN113928884A (en) * | 2021-09-02 | 2022-01-14 | 昆山市鑫旭印刷有限公司 | Multilayer label processing equipment |
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