CN101055019A - Series excitation DC motor gear box - Google Patents
Series excitation DC motor gear box Download PDFInfo
- Publication number
- CN101055019A CN101055019A CN 200710022286 CN200710022286A CN101055019A CN 101055019 A CN101055019 A CN 101055019A CN 200710022286 CN200710022286 CN 200710022286 CN 200710022286 A CN200710022286 A CN 200710022286A CN 101055019 A CN101055019 A CN 101055019A
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- gear
- motor
- shift
- output shaft
- shift fork
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- Gear-Shifting Mechanisms (AREA)
Abstract
The invented series direct current motor speed changing box relates to a gear changing mechanism directly mounted on the series direct current motor, and is especially adapted to be used by matching with the series direct current motors of electric vehicles such as vehicle, battery-driven truck and electric tricycle. The structure of the invention includes: a speed changing box body, a motor end cover, a front cover, a fork spreader, a declutch shift shaft, a fork spreader gear, a carrier gear, a carrier gear axis, a fork spreader on-off assembly, a motor output gear, a gear shifting gear set, gear shifting gear shafts, a reset spring, a position plate, a position pillar and a speed changing box output shaft assembly; the speed changing box is directly mounted on the motor end cover by a connection screw, the motor output gear is assembled on the motor output shaft, the gear shifting gear shafts are set several based on the requirement of the speed changing gears, the gear shifting gear set is packaging on the gearing shifting shafts; the speed changing box output shaft assembly is composed of speed changing box output shaft and inner gear disk, the front end cover is fixed on the speed changing box body.
Description
Technical field
What series excitation DC motor gear box of the present invention related to is the speed change gear of a kind of on-line equipment on series excitation DC motor, is specially adapted to and the DC electric motor matched uses of electric vehicle series excitation formula such as electric motor car, storage battery car, electro-tricycle.
Background technique
At present, electro-tricycle, what the series excitation DC motor speed change that electric vehicle transmissions such as storage battery car are used adopted is electrical shift, the starting current that changes series excitation DC motor by the electrical shift controller changes the rotating speed of motor, this kind gear shift mode output torque is little, the vehicle grade ability is poor, have a strong impact on the output power of motor, the electro-tricycle used of loading particularly, the heavy duty climbing is gruelling, because of adopting the electrical shift controller, it controls the series excitation DC motor rotating speed, motor generates heat easily even burns out when heavy duty is climbed, and makes that electric vehicle can't cruising.
Summary of the invention
The objective of the invention is provides a kind of series excitation DC motor gear box at above-mentioned deficiency, gearbox of the present invention and direct current motor link into an integrated entity, gearbox adopts gear drive, the gear shifting fork mechanism carries out shifted, can be divided into several gear (height, in, low-grade), can guarantee the normal output power of motor, when vehicle heavy-load start and climbing, adopt low gear, can increase the motor output torque, satisfy the vehicle heavy duty, starting, climbing needs, in can adopting during cruising, high-grade speed is travelled, can prolong motor working life, saving power.
Series excitation DC motor gear box takes following scheme to realize: the series excitation DC motor gear box structure comprises gearbox casing, electric motor end cap, front cover, shift fork, declutch shift shaft, shift fork gear, carrier gear, bridge gear shaft, shift fork clutch component, motor output gear, change gear group, change gear axle, Returnning spring, positioning plate, locating column, output shaft of gear-box assembly parts.
Gearbox casing directly is contained on the electric motor end cap by attachment screw, motor output gear is assemblied on the motor output shaft, declutch shift shaft is contained between electric motor end cap and the gearbox casing, the shift fork gear is housed on declutch shift shaft, shift fork is contained in declutch shift shaft one end, and carrier gear is contained on the electric motor end cap by bridge gear shaft.The shift fork clutch component has the shift fork clutch gear, and the shift fork clutch gear is contained on the motor output shaft, and shift fork clutch gear one side is provided with the shift fork clutch block, and shift fork clutch block both sides are provided with the inclined-plane.
Positioning plate is fixed on the gearbox casing by several locating columns, change gear axle one end is sleeved on the gearbox casing, the other end is sleeved on the positioning plate, change gear axle one end is provided with the circular arc head, the change gear axle is provided with some by the requirement of speed change gear, the change gear group is sleeved on the change gear axle, between change gear group and positioning plate Returnning spring is housed, and the change gear group is provided with some groups by the requirement of speed change gear.The change gear group is made up of gear shift slip gearwheel and gear shift sliding pinion, each organizes change gear group gear shift slip gearwheel and the gear shift sliding pinion number of teeth is all inequality, press the speed change request setting, gear shift slip gearwheel is meshed with motor output gear, can on motor output gear, slide, and the ring gear on gear shift sliding pinion and the interior fluted disc is meshed, realize gear shift.
The output shaft of gear-box assemblying body is made up of output shaft of gear-box, interior fluted disc, and interior fluted disc one side is provided with output shaft of gear-box, and output shaft of gear-box and interior fluted disc can be arranged to one.Interior fluted disc is sleeved in the front cover, and interior fluted disc is provided with ring gear, and front cover on gearbox casing, is equipped with bearing, oil seal by screw between output shaft of gear-box and the front cover.Sprocket wheel is equipped with in the output shaft of gear-box end, during work, gear shift slip gearwheel in the change gear group is meshed with the motor output gear of motor shaft end, can on motor output gear, slide, the gear shift sliding pinion is meshed with ring gear on the interior fluted disc, can realize speed change, deceleration by a relatively large margin.Gear lubricant is housed in the gearbox casing, and gearbox casing is provided with tank filler sleeve, drain oil, oil ga(u)ge.
Working principle: when series excitation DC motor gear box uses, directly be contained on the electric motor end cap, when needs conversion gear, the pulling shift fork, stir an angle, carry out a gear shift, shift fork pulling shift fork gear, driving the shift fork clutch gear by carrier gear rotates, the inclined-plane that is arranged on the shift fork clutch block of shift fork clutch gear one side contacts with the circular arc head of change gear axle one end wherein, promote the change gear axle and drive the slip of change gear group, gear shift slip gearwheel slides on motor output gear, the gear shift sliding pinion is meshed with ring gear, motor output gear on the series DC machine output shaft drives gear shift slip gearwheel and rotates, simultaneously fluted disc and output shaft of gear-box rotation in the gear shift sliding pinion transmission that fits together with gear shift slip gearwheel are by being contained in the sprocket wheel on the output shaft of gear-box, the chain transmission electric vehicle travels.When the another kind of speed of needs conversion is advanced or is climbed, operating process as mentioned above once more, shift fork is pulled through an angle again, carry out a gear shift, shift fork pulling shift fork gear, driving the shift fork clutch gear by carrier gear rotates, the inclined-plane that is arranged on the shift fork clutch block of shift fork clutch gear one side contacts with the circular arc head of another root change gear axle one end wherein, promote the change gear axle and drive the slip of change gear group, gear shift slip gearwheel slides on motor output gear, the gear shift sliding pinion is meshed with ring gear, motor output gear on the series DC machine output shaft drives gear shift slip gearwheel and rotates, simultaneously fluted disc and output shaft of gear-box rotation in the gear shift sliding pinion transmission that fits together with gear shift slip gearwheel are by being contained in the sprocket wheel on the output shaft of gear-box, the chain transmission electric vehicle travels.At this moment, series excitation DC motor will export that another kind of travelling speed satisfies vehicle launch, travels by series excitation DC motor gear box, heavy duty, climbing needs.The present invention can be transformed into 2～3 kinds of speed, for example the series excitation DC motor rotating speed is 3500 rev/mins, through series excitation DC motor gear box speed change of the present invention, can reach output speed and be respectively 1200 rev/mins, 1000 rev/mins, 800 rev/mins, also can on demand rotating speed be arranged to other rotating speeds.
Series excitation DC motor gear box is reasonable in design, simple and compact for structure, volume is little, in light weight, rotational noise is little, can low speed gear shift in the vehicle driving process, gear shift is efficient and convenient, good reliability, owing to adopt gear drive, the gear shifting fork mechanism carries out gear shift, it is shifted to be divided into several gears, can guarantee that the normal output power of motor is unaffected, satisfy vehicle launch, travel, heavy duty, climbing needs, in the gear shift running process, can guarantee motor normal working voltage electric current, the motor output torque can be increased, motor working life can be prolonged greatly, greatly saving power.
Description of drawings
The invention will be further described below with reference to accompanying drawing.
Fig. 1 is the series excitation DC motor gear box structural representation.
Fig. 2 is that schematic representation is joined in the change gear assembling of series excitation DC motor gear box.
Fig. 3 is that shift fork, the shift fork clutch component device of series excitation DC motor gear box joined schematic representation.
Fig. 4 is the shift fork clutch component schematic representation of series excitation DC motor gear box.
Embodiment
With reference to accompanying drawing 1～4, the series excitation DC motor gear box structure comprises gearbox casing 10, electric motor end cap 13, front cover 4, shift fork 14, declutch shift shaft 11, shift fork gear 12, carrier gear 16, bridge gear shaft 17, shift fork clutch component, motor output gear 22, change gear group, change gear axle 26, Returnning spring 31, positioning plate 6, locating column 7, output shaft of gear-box assembly parts.
The output shaft of gear-box assemblying body is made up of output shaft of gear-box 1, interior fluted disc 5, and interior fluted disc 5 one sides are provided with output shaft of gear-box 1, and output shaft of gear-box 1 can be arranged to one with interior fluted disc 5.Interior fluted disc 5 is sleeved in the front cover 4, and interior fluted disc 5 is provided with ring gear 8, and front cover 4 is fixed on the gearbox casing 10 by screw 30, and bearing 2,32, oil seal 3 are housed between output shaft of gear-box 1 and the front cover 4.Sprocket wheel is equipped with in output shaft of gear-box 1 end, during work, gear shift slip gearwheel 28 in the change gear group is meshed with the motor output gear 22 of motor shaft 19 ends, can on motor output gear 22, slide, gear shift sliding pinion 29 is meshed with ring gear 8 on the interior fluted disc 5, can realize speed change, deceleration by a relatively large margin.In the gearbox casing 10 gear lubricant is housed, gearbox casing 10 is provided with tank filler sleeve 9, drain oil 27, oil ga(u)ge, on tank filler sleeve 9 and the drain oil 27 screw plug is housed respectively, is convenient to refuel, drain the oil.
Claims (9)
1, a kind of series excitation DC motor gear box is characterized in that structure comprises gearbox casing, electric motor end cap, front cover, shift fork, declutch shift shaft, shift fork gear, carrier gear, bridge gear shaft, shift fork clutch component, motor output gear, change gear group, change gear axle, Returnning spring, positioning plate, locating column, output shaft of gear-box assembly parts;
Gearbox casing directly is contained on the electric motor end cap by attachment screw, motor output gear is assemblied on the motor output shaft, declutch shift shaft is contained between electric motor end cap and the gearbox casing, the shift fork gear is housed on declutch shift shaft, shift fork is contained in declutch shift shaft one end, and carrier gear is contained on the electric motor end cap by bridge gear shaft, and the shift fork clutch component has the shift fork clutch gear, the shift fork clutch gear is contained on the motor output shaft, and shift fork clutch gear one side is provided with the shift fork clutch block;
Positioning plate is fixed on the gearbox casing by several locating columns, change gear axle one end is sleeved on the gearbox casing, the other end is sleeved on the positioning plate, the change gear axle is provided with some by the requirement of speed change gear, the change gear group is sleeved on the change gear axle, between change gear group and positioning plate Returnning spring is housed, the change gear group is provided with some groups by the requirement of speed change gear;
The output shaft of gear-box assemblying body is made up of output shaft of gear-box, interior fluted disc, and interior fluted disc one side is provided with output shaft of gear-box, and interior fluted disc is sleeved in the front cover, and interior fluted disc is provided with ring gear, front cover by screw on gearbox casing.
2, series excitation DC motor gear box according to claim 1 is characterized in that shift fork clutch block both sides are provided with the inclined-plane.
3, series excitation DC motor gear box according to claim 1, it is characterized in that the change gear group is made up of gear shift slip gearwheel and gear shift sliding pinion, gear shift slip gearwheel is meshed with motor output gear, on motor output gear, slide, and the ring gear on gear shift sliding pinion and the interior fluted disc is meshed.
4, series excitation DC motor gear box according to claim 3 is characterized in that respectively organizing change gear group gear shift slip gearwheel and the gear shift sliding pinion number of teeth is all inequality.
5, series excitation DC motor gear box according to claim 1 is characterized in that output shaft of gear-box and interior fluted disc be arranged to one.
6, series excitation DC motor gear box according to claim 1 is characterized in that being equipped with between output shaft of gear-box and the front cover bearing, oil seal.
7, series excitation DC motor gear box according to claim 1 is characterized in that being equipped with in the gearbox casing gear lubricant, and gearbox casing is provided with tank filler sleeve, drain oil, oil ga(u)ge.
8, series excitation DC motor gear box according to claim 1 is characterized in that change gear axle one end is provided with the circular arc head.
9, series excitation DC motor gear box according to claim 1 is characterized in that being equipped with between output shaft of gear-box and the front cover bearing, oil seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710022286 CN101055019A (en) | 2007-05-14 | 2007-05-14 | Series excitation DC motor gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710022286 CN101055019A (en) | 2007-05-14 | 2007-05-14 | Series excitation DC motor gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101055019A true CN101055019A (en) | 2007-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710022286 Pending CN101055019A (en) | 2007-05-14 | 2007-05-14 | Series excitation DC motor gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101055019A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017096629A1 (en) * | 2015-12-11 | 2017-06-15 | 东莞市台铃车业有限公司 | Electrically-driven power unit and electric motorcycle |
| CN107700402A (en) * | 2017-09-29 | 2018-02-16 | 黄河科技学院 | Urban road dust removes car |
-
2007
- 2007-05-14 CN CN 200710022286 patent/CN101055019A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017096629A1 (en) * | 2015-12-11 | 2017-06-15 | 东莞市台铃车业有限公司 | Electrically-driven power unit and electric motorcycle |
| CN107700402A (en) * | 2017-09-29 | 2018-02-16 | 黄河科技学院 | Urban road dust removes car |
| CN107700402B (en) * | 2017-09-29 | 2019-09-27 | 泉州台商投资区华庆商贸有限公司 | Urban road dust removes vehicle |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20071017 |