CN201739432U - Single gear reducer - Google Patents
Single gear reducer Download PDFInfo
- Publication number
- CN201739432U CN201739432U CN2010201709031U CN201020170903U CN201739432U CN 201739432 U CN201739432 U CN 201739432U CN 2010201709031 U CN2010201709031 U CN 2010201709031U CN 201020170903 U CN201020170903 U CN 201020170903U CN 201739432 U CN201739432 U CN 201739432U
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Abstract
The utility model discloses a single gear reducer which comprises a motor end tank body, an output end tank body, an input shaft, an output shaft, an input sealing ring, an output sealing ring, an output bearing end cover, an output end sealing end cover, an input gear, and an output gear, wherein the motor end tank body and the output end tank body are arranged vertically and separately, namely the dissection surfaces of the two are vertical to the axis of the input shaft or the output shaft, the motor end tank body and the output end tank body are fixedly connected with each other and respectively provided with an oil collecting tank, an oil guide hole and an oil return hole, the oil tank passes through a bearing chamber by the oil guide tank, the oil return hole is passes through the inner cavity of the tank body from the bearing chamber, a labyrinth seal structure is adopted between the motor end tank body and the input shaft, and a combined labyrinth seal and contact seal structure is adopted between the output end tank body and the output shaft. The single gear reducer has the advantages of smaller volume and good lubrication.
Description
Technical field
The utility model relates to a kind of gear reducer, refers in particular to a kind of single gear speed reducer that is used for trolley bus or motor vehicle driven by mixed power.
Background technique
Gear reducer is a kind of retarding method commonly used, has characteristics such as simple in structure, reliable performance, comes with some shortcomings but have traditional single gear speed reducer now, to such an extent as to the application of influence in vehicle, its main deficiency has:
Traditional single stage gear reducer casing is a horizonally split, and motor and gear reducer are self-contained unit, can't realize and motor integration, and the gear reducer volume is bigger, weight is heavier, needs supplemental support, and it is narrow and small and do not have a vehicle of supplemental support to adapt to the space.
Traditional single stage gear reducer input shaft and motor shaft are two separate units, the two is rigidly connected by interior external splines, owing to make and assembly error, to cause not conllinear of input shaft and motor shaft, in use can make the spline carrying of input shaft or motor shaft inhomogeneous, cause the spline wearing and tearing, shaving, even fracture.
Traditional single stage gear reducer oil bath oilgear commonly used and bearing, churning loss is big like this, and heating is very fast; Solve the lubrication problem of gear and bearing with the mode that axle head lubricating pump or individual motor driving lubricating pump is installed, pump did not oil and causes the under-supply and consumed power of lubricant oil when but the shortcoming of axle head lubricating pump was low speed, and the shortcoming that individual motor drives lubricating pump is the cost height.
The traditional single stage gear reducer all adopts the contact seal mode, because reducer input shaft and the influence of motor shaft out-of-alignment very easily cause seal ring to damage in early days, changes also cumbersome.
Summary of the invention
The purpose of this utility model is to provide a kind of volume less, lubricated good single gear speed reducer.
For achieving the above object, the technological scheme that the utility model is taked is: a kind of single gear speed reducer, comprise the motor side casing, the output terminal casing, input shaft, output shaft, the input seal ring, the output seal ring, the output bearing (ball) cover, the output terminal end cover, the input gear, output gear, wherein input shaft by bearings on the motor side casing, the input gear is fixedly mounted on the input shaft, input gear and output gear engagement, output gear is fixedly mounted on the output shaft, the two ends of output shaft be supported on respectively on the motor side casing by bearing and the output terminal casing on, described motor side casing and output terminal casing take vertical branch mailbox to arrange the axis normal of the split surface and input shaft or the output shaft that also are motor side casing and output terminal casing, and motor side casing and output terminal casing are fixed together, be respectively equipped with the oil trap that has oil baffle on described motor side casing and the output terminal casing, oil guiding hole and spill port, oil groove leads to bearing chamber by oil guiding hole, spill port leads to cabinets cavity from bearing chamber, adopt labyrinth seal structure between described motor side casing and the input shaft, adopt labyrinth seal and contact seal combined sealing structure between described output terminal casing and the output shaft.
Labyrinth seal structure between described motor side casing and the input shaft comprises the some roads oil groove on input seal ring and the motor side casing, the input seal ring is fixedly set on the input shaft, and the periphery of input seal ring has the annular seal groove that the corresponding bottom of oil groove, some roads on several and the motor side casing has annular convex cone; Labyrinth seal and contact seal combined sealing structure between described output terminal casing and the output shaft comprise the output seal ring, output terminal bearing (ball) cover and output terminal end cover, the output seal ring is fixedly set on the output shaft, output terminal bearing (ball) cover and output terminal end cover are fixed on the output terminal casing successively, the annular seal groove that corresponding bottom has an annular convex cone on forming circular groove and this circular groove between output terminal bearing (ball) cover and the output terminal end cover and exporting the seal ring periphery forms the first road labyrinth seal, flange and the seal groove of the outer end of output seal ring is with the seal groove and the corresponding cooperation of flange of output terminal end cover inboard and form the second road labyrinth seal, the interior edge face formation contact seal of the exterior edge face of output terminal bearing (ball) cover and output terminal end cover.
Described input gear is fixedly mounted on the input shaft by flat key.
The outer end of described output shaft is fixedly connected with output flange by spline, and output shaft end is connected with the flange pressing plate by screw, and the flange pressing plate is pressed on the end of output flange, to realize the axially locating of output flange.
The utility model beneficial effect mainly contains:
On motor side casing and output terminal casing, be respectively equipped with oil trap and the oil guiding hole that has oil baffle, by output gear the lubricant oil in the oil sump is thrown up, fall then in the oil trap that has oil baffle on both sides, lubricant oil enters the oil keeper chamber by oil trap and oil guiding hole, comes lubricating bearings; Adopt multistage labyrinth seal at input end and output terminal oil keeper chamber, and spill port arranged in position, prevent that lubricant oil from entering motor or overflowing gear reducer, prevent that lubricant oil from too much generating heat when on the bearing roller lubricant oil being arranged when guaranteeing that the utility model starts, it is non-maintaining to adopt multistage labyrinth seal also can realize.
Input shaft and the motor shaft that can realize gear reducer are integrated, have avoided being rigidly connected between input shaft and the motor shaft, can not produce because of being connected the spline wearing and tearing that produced by spline between input shaft and the motor shaft shaving, even problem such as fracture.
The utility model casing changes into takes vertical branch mailbox to arrange, can realize that motor side casing and electric motor end cap are integrated, the motor side casing is directly installed on the electric machine casing, realize gear reducer and motor integration integrated morphology, make the gear reducer compact structure, and reduced the thickness that installs, and lowered the weight of gear reducer, the space is narrow and small to be applied to, the vehicle of no supplemental support.
The utlity model has compact structure, volume little, in light weight, lubricated reliable, operate steadily, characteristics such as noise is low, and demolition and maintenance are convenient and swift, be applicable to that the space is narrow and small, the use of the vehicle of no supplemental support.
Description of drawings
Fig. 1 is a single gear speed reducer structural representation of the present utility model;
Fig. 2 is the sectional view of Fig. 1.
Embodiment
The embodiment who provides below in conjunction with accompanying drawing does explanation in further detail to the utility model.
As Fig. 1, shown in 2, a kind of single gear speed reducer of the present utility model, comprise motor side casing 2, output terminal casing 1, input shaft 4, output shaft 7, input seal ring 5, output seal ring 11, output bearing (ball) cover 10, output terminal end cover 12, input gear 15, output gear 9, wherein input shaft 4 is supported on the motor side casing 2 by bearing 6, input gear 15 is fixedly mounted on the input shaft 4, input gear 15 and output gear 9 engagements, output gear 9 is fixedly mounted on the output shaft 7, the two ends of output shaft 7 are by bearing 8,8 ' be supported on respectively on the motor side casing 2 and output terminal casing 1 on, described motor side casing 2 and output terminal casing 1 take vertical branch mailbox to arrange the axis normal of the split surface and input shaft 4 or the output shaft 7 that also are motor side casing 2 and output terminal casing 1, and motor side casing 2 and output terminal casing 1 are fixed together, be respectively equipped with the oil trap 17 that has oil baffle on described motor side casing 2 and the output terminal casing 1, oil guiding hole 18 and spill port 20, oil groove 16 leads to bearing chamber 19 by oil guiding hole 18, spill port 20 leads to cabinets cavity from bearing chamber 19, adopt labyrinth seal structure between described motor side casing 2 and the input shaft 4, adopt labyrinth seal and contact seal combined sealing structure between described output terminal casing 1 and the output shaft 7.
As shown in Figure 1, 2, labyrinth seal structure between described motor side casing 2 and the input shaft 4 comprises the some road oil groove 2-1 on input seal ring 5 and the motor side casing 2, input seal ring 5 is fixedly set on the input shaft 4, and the periphery of input seal ring 5 has the annular seal groove that the corresponding bottom of oil groove 2-1, some roads on several and the motor side casing 2 has annular convex cone; Labyrinth seal between described output terminal casing 1 and the output shaft 7 and contact seal combined sealing structure comprise output seal ring 11, output terminal bearing (ball) cover 10 and output terminal end cover 12, output seal ring 11 is fixedly set on the output shaft 7, output terminal bearing (ball) cover 10 and output terminal end cover 12 are fixed on the output terminal casing 1 successively, the annular seal groove that corresponding bottom has an annular convex cone on forming circular groove and this circular groove between output terminal bearing (ball) cover 10 and the output terminal end cover 12 and exporting seal ring 11 peripheries forms the first road labyrinth seal, flange and the seal groove of the outer end of output seal ring 11 is with the seal groove and the corresponding cooperation of flange of output terminal end cover 12 inboards and form the second road labyrinth seal, the interior edge face formation contact seal of the exterior edge face of output terminal bearing (ball) cover 10 and output terminal end cover 12.This sealing configuration favorable sealing property can be realized non-maintaining.
As shown in Figure 1, 2, described input gear 15 is fixedly mounted on the input shaft 4 by flat key.
As shown in Figure 1, 2, the outer end of described output shaft 7 is fixedly connected with output flange 14 by spline, output shaft 7 ends are connected with flange pressing plate 13 by screw, and flange pressing plate 12 is pressed on the end of output flange 14, to realize the axially locating of output flange 14.
Output flange 14 is used to connect the automobile axle gearbox.
Claims (4)
1. single gear speed reducer, comprise motor side casing (2), output terminal casing (1), input shaft (4), output shaft (7), input seal ring (5), output seal ring (11), output bearing (ball) cover (10), output terminal end cover (12), input gear (15), output gear (9), wherein input shaft (4) is supported on the motor side casing (2) by bearing (6), input gear (15) is fixedly mounted on the input shaft (4), input gear (15) and output gear (9) engagement, output gear (9) is fixedly mounted on the output shaft (7), the two ends of output shaft (7) are by bearing (8,8 ') be supported on respectively that motor side casing (2) is gone up and output terminal casing (1) on, it is characterized in that:
A, described motor side casing (2) and output terminal casing (1) take vertical branch mailbox to arrange the axis normal of the split surface and input shaft (4) or the output shaft (7) that also are motor side casing (2) and output terminal casing (1), and motor side casing (2) and output terminal casing (1) are fixed together
Be respectively equipped with the oil trap (17), oil guiding hole (18) and the spill port (20) that have oil baffle on b, described motor side casing (2) and the output terminal casing (1), oil groove (16) leads to bearing chamber (19) by oil guiding hole (18), spill port (20) leads to cabinets cavity from bearing chamber (19)
Adopt labyrinth seal structure between c, described motor side casing (2) and the input shaft (4), adopt labyrinth seal and contact seal combined sealing structure between described output terminal casing (1) and the output shaft (7).
2. single gear speed reducer according to claim 1, it is characterized in that: the labyrinth seal structure between described motor side casing (2) and the input shaft (4) comprises the some roads oil grooves (2-1) on input seal ring (5) and the motor side casing (2), input seal ring (5) is fixedly set on the input shaft (4), and the periphery of input seal ring (5) has the annular seal groove that corresponding bottom, some roads oil groove (2-1) on several and the motor side casing (2) has annular convex cone; Labyrinth seal between described output terminal casing (1) and the output shaft (7) and contact seal combined sealing structure comprise output seal ring (11), output terminal bearing (ball) cover (10) and output terminal end cover (12), output seal ring (11) is fixedly set on the output shaft (7), output terminal bearing (ball) cover (10) and output terminal end cover (12) are fixed on the output terminal casing (1) successively, the annular seal groove that corresponding bottom has an annular convex cone on forming circular groove and this circular groove between output terminal bearing (ball) cover (10) and the output terminal end cover (12) and exporting seal ring (11) periphery forms the first road labyrinth seal, the seal groove and the corresponding cooperation of flange of the flange of the outer end of output seal ring (11) and seal groove and output terminal end cover (12) inboard also forms the second road labyrinth seal, and the interior edge face of the exterior edge face of output terminal bearing (ball) cover (10) and output terminal end cover (12) forms contact seal.
3. single gear speed reducer according to claim 1 is characterized in that: described input gear (13) is fixedly mounted on the input shaft (4) by flat key.
4. single gear speed reducer according to claim 1, it is characterized in that: the outer end of described output shaft (7) is fixedly connected with output flange (14) by spline, output shaft (7) end is connected with flange pressing plate (13) by screw, flange pressing plate (13) is pressed on the end of output flange (14), to realize the axially locating of output flange (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201709031U CN201739432U (en) | 2010-04-16 | 2010-04-16 | Single gear reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201709031U CN201739432U (en) | 2010-04-16 | 2010-04-16 | Single gear reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201739432U true CN201739432U (en) | 2011-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201709031U Expired - Fee Related CN201739432U (en) | 2010-04-16 | 2010-04-16 | Single gear reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201739432U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470775A (en) * | 2013-09-11 | 2013-12-25 | 西安船舶工程研究院有限公司 | Seal structure of centrifuge box |
| CN103669130A (en) * | 2012-09-09 | 2014-03-26 | 蓬莱奥斯勃机械有限公司 | Portable internal combustion impact tamping pick |
| CN106594249A (en) * | 2016-12-13 | 2017-04-26 | 宁波海天精工股份有限公司 | Structure applied to cooling, lubricating, sealing and backflow of speed-changing gear box bearing |
| CN108533724A (en) * | 2017-03-03 | 2018-09-14 | 通用汽车环球科技运作有限责任公司 | Device for the rotary part in sealing oil groove |
| CN109386595A (en) * | 2018-12-20 | 2019-02-26 | 厦门联帮匠心机械设备有限公司 | Upper gear box output end sealing lubrication structure |
| CN117366217A (en) * | 2023-12-07 | 2024-01-09 | 南京南高齿新能源汽车传动设备有限公司 | Planetary gear box assembly |
-
2010
- 2010-04-16 CN CN2010201709031U patent/CN201739432U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669130A (en) * | 2012-09-09 | 2014-03-26 | 蓬莱奥斯勃机械有限公司 | Portable internal combustion impact tamping pick |
| CN103669130B (en) * | 2012-09-09 | 2016-01-06 | 蓬莱奥斯勃机械有限公司 | Portable internal combustion impact tamping pickaxe |
| CN103470775A (en) * | 2013-09-11 | 2013-12-25 | 西安船舶工程研究院有限公司 | Seal structure of centrifuge box |
| CN106594249A (en) * | 2016-12-13 | 2017-04-26 | 宁波海天精工股份有限公司 | Structure applied to cooling, lubricating, sealing and backflow of speed-changing gear box bearing |
| CN108533724A (en) * | 2017-03-03 | 2018-09-14 | 通用汽车环球科技运作有限责任公司 | Device for the rotary part in sealing oil groove |
| CN109386595A (en) * | 2018-12-20 | 2019-02-26 | 厦门联帮匠心机械设备有限公司 | Upper gear box output end sealing lubrication structure |
| CN109386595B (en) * | 2018-12-20 | 2024-04-05 | 厦门联帮匠心机械设备有限公司 | Sealing and lubricating structure for output end of upper transmission case |
| CN117366217A (en) * | 2023-12-07 | 2024-01-09 | 南京南高齿新能源汽车传动设备有限公司 | Planetary gear box assembly |
| CN117366217B (en) * | 2023-12-07 | 2024-02-27 | 南京南高齿新能源汽车传动设备有限公司 | Planetary gear box assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 213000 Wuyi Road, Jiangsu, Changzhou, No. 258 Patentee after: CRRC QISHUYAN INSTITUTE CO., LTD. Address before: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 1, No. Patentee before: Nanche Qisuyan Engine and Vehicle Technics Institute Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20190416 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |