CN203051632U - Transmission - Google Patents
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- Publication number
- CN203051632U CN203051632U CN 201320019383 CN201320019383U CN203051632U CN 203051632 U CN203051632 U CN 203051632U CN 201320019383 CN201320019383 CN 201320019383 CN 201320019383 U CN201320019383 U CN 201320019383U CN 203051632 U CN203051632 U CN 203051632U
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- China
- Prior art keywords
- gear
- rotating shaft
- shaft
- level
- speed change
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- Expired - Fee Related
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Abstract
The utility model discloses a transmission to overcome the defects that an existing transmission is complex in structure, high in manufacturing cost, large in size, and large in occupied space after being connected with a motor. The transmission comprises an upper box body and a lower box which are connected together and are in an L shape, wherein a connection shaft is connected inside the upper box body, one end of the connection shaft is connected with a driving bevel gear, the other end of the connection shaft is used for being connected with a motor output shaft, a first-level rotation shaft is connected in the upper box body and is connected with a driven bevel gear and a second-level speed-change driving gear, the driven bevel gear is meshed with the driving bevel gear for transmission, a second-level rotation shaft and a third-level rotation shaft are connected in the lower box body, the second-level rotation shaft is connected with a second-level speed-change driven gear and a third-level speed-change driving gear, the third-level rotation shaft is connected with a third-level speed-change driven gear, the second-level speed-change driving gear is meshed with the second-level speed-change driven gear for transmission, the third-level speed-change driving gear is meshed with the third-level speed-change driven gear for transmission, and the third-level rotation shaft extends out of the lower box body to serve as a transmission output shaft.
Description
Technical field
The utility model relates to a kind of speed change gear, and more particularly, it relates to a kind of speed changer flexible and convenient to use.
Background technique
Motor output shaft need connect speed changer sense of rotation and rotating speed are regulated in a lot of equipment, the speed changer structure complexity of using at present, and manufacture cost height, and the speed changer volume is bigger and takes up room greatly after motor is connected.Chinese patent notification number CN201599367U, a kind of speed-change gear box is disclosed, casing, input shaft and output shaft are specifically arranged, endwisely slip on the input shaft and be provided with the input duplicate gear, endwisely slip on the output shaft and be provided with the output duplicate gear, be provided with transition axis between input shaft and the output shaft, transition axis is provided with first duplicate gear and second duplicate gear.This gearbox designs complexity, manufacture cost height, and volume is bigger, gearbox with take up room after motor is connected big.
The model utility content
The utility model has overcome existing speed changer structure complexity, the manufacture cost height, and also the volume of speed changer is big, with the big deficiency that takes up room after motor is connected, provide a kind of speed changer, it simple in structure, low cost of manufacture, and volume is little, speed changer with take up room after motor is connected little.
In order to solve the problems of the technologies described above, the utility model is by the following technical solutions: a kind of speed changer, comprise casing, casing comprises upper box and the lower box that links together, upper box and lower box link together L-shaped, be connected with coupling shaft in the upper box, coupling shaft one end is connected with drive bevel gear, the coupling shaft the other end is used for connecting motor output shaft, be connected with the one-level rotating shaft in the casing, one-level rotating shaft one end is connected that the other end is connected on the lower box on the upper box, be connected with driven wheel of differential and two stage speed change driving gear in the one-level rotating shaft, driven wheel of differential and drive bevel gear engagement driving are connected with secondary rotating shaft and three grades of rotating shafts in the lower box, be connected with two stage speed change driven gear and three-step gear shift driving gear in the secondary rotating shaft, be connected with the three-step gear shift driven gear in three grades of rotating shafts, two stage speed change driving gear and two stage speed change driven gear engagement driving, three-step gear shift driving gear and three-step gear shift driven gear engagement driving, three grades of rotating shafts are stretched out lower box as transmission output shaft.
By the L shaped casing that upper box and lower box link together and constitute, compact type is good, and it is little to take up room, and motor can be installed on the upper surface of lower box, takes full advantage of the space, and it is little to take up room after making speed changer and motor being connected.The rotating band of the motor axle that is dynamically connected rotates, thereby making drive bevel gear drive driven wheel of differential rotates, and the two stage speed change driving gear that is connected in the one-level rotating shaft with driven wheel of differential drives the rotation of two stage speed change driven gear, realize two stage speed change, the three-step gear shift driving gear that is connected in the secondary rotating shaft with the two stage speed change driven gear drives the rotation of three-step gear shift driven gear, realize three-step gear shift, three grades of rotating shafts are stretched out lower box and are linked to each other with the device that needs drive as transmission output shaft.Power outbound course by drive bevel gear and driven wheel of differential engagement driving change motor changes rotating speed by the engagement driving between two stage speed change driving gear, two stage speed change driven gear, three-step gear shift driving gear and the three-step gear shift driven gear.This speed changer structure is simple, low cost of manufacture, and volume is little, speed changer with take up room after motor is connected little.
As preferably, drive bevel gear is fixedly connected on the end of coupling shaft, driven wheel of differential and two stage speed change driving gear all adopt flat key to be connected in the one-level rotating shaft, two stage speed change driven gear and three-step gear shift driving gear all adopt flat key to be connected in the secondary rotating shaft, and the three-step gear shift driven gear adopts flat key to be connected in three grades of rotating shafts.Drive bevel gear is fixedlyed connected the assurance join strength with coupling shaft.And all be connected by flat key between driven wheel of differential, two stage speed change driving gear, two stage speed change driven gear, three-step gear shift driving gear and three-step gear shift driven gear and the rotating shaft, connect simple and reliable, maintenance for convenience detach, low cost of manufacture is made in two stage speed change driving gear, two stage speed change driven gear, three-step gear shift driving gear, three-step gear shift driven gear and rotating shaft separately.
As preferably, coupling shaft is installed on the casing by bearing, and the two ends of one-level rotating shaft, secondary rotating shaft, three grades of rotating shafts all are installed on the casing by bearing.This mounting type is simple in structure, and is reliable stable.
As preferably, one-level rotating shaft and secondary roller end are all stretched out lower box and as output shaft.One-level rotating shaft and secondary rotating shaft all can be used as output shaft, so speed changer has three output shafts that rotating speed is different, can connect simultaneously to drive three devices, and the user can select to connect different output shafts as required, speed changer flexible and convenient to use.
As preferably, the extended position of the rotating shaft of lower box upper level, secondary rotating shaft, three grades of rotating shafts is provided with oil sealing.Oil sealing makes the rotation of one-level rotating shaft, secondary rotating shaft, three grades of rotating shafts more flexible, and the surface friction drag that is subjected to is little.
As preferably, drive bevel gear and driven wheel of differential are 45 degree bevel gears.45 degree bevel gear engagement driving are more steadily reliable.
As preferably, two stage speed change driving gear, two stage speed change driven gear, three-step gear shift driving gear and three-step gear shift driven gear are spur gear, are equipped with the groove of ring on the both ends of the surface of spur gear.Spur gear low cost of manufacture simple in structure, engagement driving is reliable.Both ends of the surface at spur gear arrange the weight that annular groove has alleviated gear, reduce the error of meshed transmission gear, make the rotation of gear more steady.
As preferably, the rotating ratio of motor output shaft and three grades of rotating shaft outputs is 1:3.Speed changer improves the motor output speed, satisfies the equipment usage requirement.
Compared with prior art, the beneficial effects of the utility model are: speed changer simple in structure, low cost of manufacture, and volume is little, speed changer with take up room after motor is connected little.
Description of drawings
Fig. 1 is embodiment's 1 of the present utility model structural representation;
Fig. 2 is embodiment's 2 of the present utility model structural representation;
Fig. 3 is the structural representation of spur gear of the present utility model;
Among the figure: 1, upper box, 2, lower box, 3, coupling shaft, 4, drive bevel gear, 5, one-level rotating shaft, 6, driven wheel of differential, 7, the two stage speed change driving gear, 8, secondary rotating shaft, 9, three grades of rotating shafts, 10, the two stage speed change driven gear, 11, the three-step gear shift driving gear, 12, three-step gear shift driven gear, 13, groove.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is further described specifically:
Embodiment 1: a kind of speed changer (referring to accompanying drawing 1), mainly use on surfboat, comprise casing, casing comprises upper box 1 and the lower box 2 that links together, and upper box and lower box link together L-shaped, are connected with coupling shaft 3 in the upper box, coupling shaft is installed on the casing by the bearing level, coupling shaft one end is connected with drive bevel gear 4, and the coupling shaft the other end is used for connecting motor output shaft, and drive bevel gear is fixedly connected on the end of coupling shaft.The end that coupling shaft is connected with motor output shaft is provided with internal spline, and motor output shaft is provided with external splines, and coupling shaft and motor output shaft are connected by internal spline and external splines.Be connected with one-level rotating shaft 5 in the casing, the one-level rotating shaft vertically arranges, and one-level rotating shaft one end is connected that the other end is connected on the lower box on the upper box, and the two ends of one-level rotating shaft all are installed on the casing by bearing.Be connected with driven wheel of differential 6 and two stage speed change driving gear 7 in the one-level rotating shaft, driven wheel of differential and two stage speed change driving gear all adopt flat key to be connected in the one-level rotating shaft, axially adopt the shaft shoulder and back-up ring location.Driven wheel of differential and drive bevel gear engagement driving, drive bevel gear and driven wheel of differential are 45 degree bevel gears and the velocity ratio between them is 1:1.Be connected with secondary rotating shaft 8 and three grades of rotating shafts 9 in the lower box, secondary rotating shaft and three grades of rotating shafts all vertically arrange, the two ends of secondary rotating shaft, three grades of rotating shafts all are installed on the casing by bearing, be connected with two stage speed change driven gear 10 and three-step gear shift driving gear 11 in the secondary rotating shaft, two stage speed change driven gear and three-step gear shift driving gear all adopt flat key to be connected in the secondary rotating shaft, axially adopt the shaft shoulder and back-up ring location.Be connected with three-step gear shift driven gear 12 in three grades of rotating shafts, the three-step gear shift driven gear adopts flat key to be connected in three grades of rotating shafts, axially adopts the shaft shoulder and back-up ring location.Two stage speed change driving gear and two stage speed change driven gear engagement driving, three-step gear shift driving gear and three-step gear shift driven gear engagement driving, three grades of rotating shafts are stretched out lower box as transmission output shaft, and the extended position of three grades of rotating shafts is provided with oil sealing on the lower box.Three grades of rotating shafts are as output shaft, and the end of stretching out lower box at it is provided with internal spline.Two stage speed change driving gear, two stage speed change driven gear, three-step gear shift driving gear and three-step gear shift driven gear are spur gear (referring to accompanying drawing 3), are equipped with the groove 13 of ring on the both ends of the surface of spur gear.The rotating ratio of motor output shaft and three grades of rotating shaft outputs is 1:3.
By the L shaped casing that upper box and lower box link together and constitute, compact type is good, and it is little to take up room, and motor can be installed on the upper surface of lower box, takes full advantage of the space, and it is little to take up room after making speed changer and motor being connected.The rotating band of the motor axle that is dynamically connected rotates, thereby making drive bevel gear drive driven wheel of differential rotates, and the two stage speed change driving gear that is connected in the one-level rotating shaft with driven wheel of differential drives the rotation of two stage speed change driven gear, realize two stage speed change, the three-step gear shift driving gear that is connected in the secondary rotating shaft with the two stage speed change driven gear drives the rotation of three-step gear shift driven gear, realize three-step gear shift, three grades of rotating shafts are stretched out lower box and are linked to each other with the device that needs drive as transmission output shaft.Power outbound course by drive bevel gear and driven wheel of differential engagement driving change motor changes rotating speed by the engagement driving between two stage speed change driving gear, two stage speed change driven gear, three-step gear shift driving gear and the three-step gear shift driven gear.
Embodiment 2: a kind of speed changer (referring to accompanying drawing 2), its structure is similar to embodiment 1, the main difference point is that one-level rotating shaft and secondary roller end are all stretched out lower box and as output shaft, therefore speed changer has three output shafts that rotating speed is different, and the extended position of the rotating shaft of lower box upper level, secondary rotating shaft, three grades of rotating shafts is equipped with oil sealing.Three different output shafts can connect drive three devices simultaneously, and the user can select to connect different output shafts as required, speed changer flexible and convenient to use.Other structure is identical with embodiment 1.
Above-described embodiment is two kinds of preferable schemes of the present utility model, is not that the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technological scheme that claim puts down in writing.
Claims (8)
1. speed changer, comprise casing, it is characterized in that, casing comprises upper box (1) and the lower box (2) that links together, upper box and lower box link together L-shaped, be connected with coupling shaft (3) in the upper box, coupling shaft one end is connected with drive bevel gear (4), the coupling shaft the other end is used for connecting motor output shaft, be connected with one-level rotating shaft (5) in the casing, one-level rotating shaft one end is connected that the other end is connected on the lower box on the upper box, be connected with driven wheel of differential (6) and two stage speed change driving gear (7) in the one-level rotating shaft, driven wheel of differential and drive bevel gear engagement driving, be connected with secondary rotating shaft (8) and three grades of rotating shafts (9) in the lower box, be connected with two stage speed change driven gear (10) and three-step gear shift driving gear (11) in the secondary rotating shaft, be connected with three-step gear shift driven gear (12) in three grades of rotating shafts, two stage speed change driving gear and two stage speed change driven gear engagement driving, three-step gear shift driving gear and three-step gear shift driven gear engagement driving, three grades of rotating shafts are stretched out lower box as transmission output shaft.
2. speed changer according to claim 1, it is characterized in that, drive bevel gear is fixedly connected on the end of coupling shaft, driven wheel of differential and two stage speed change driving gear all adopt flat key to be connected in the one-level rotating shaft, two stage speed change driven gear and three-step gear shift driving gear all adopt flat key to be connected in the secondary rotating shaft, and the three-step gear shift driven gear adopts flat key to be connected in three grades of rotating shafts.
3. speed changer according to claim 1 is characterized in that, coupling shaft is installed on the casing by bearing, and the two ends of one-level rotating shaft, secondary rotating shaft, three grades of rotating shafts all are installed on the casing by bearing.
4. according to claim 1 or 2 or 3 described speed changers, it is characterized in that one-level rotating shaft and secondary roller end are all stretched out lower box and as output shaft.
5. speed changer according to claim 4 is characterized in that, the extended position of the rotating shaft of lower box upper level, secondary rotating shaft, three grades of rotating shafts is provided with oil sealing.
6. according to claim 1 or 2 or 3 described speed changers, it is characterized in that drive bevel gear and driven wheel of differential are 45 degree bevel gears.
7. according to claim 1 or 2 or 3 described speed changers, it is characterized in that, two stage speed change driving gear, two stage speed change driven gear, three-step gear shift driving gear and three-step gear shift driven gear are spur gear, are equipped with the groove (13) of ring on the both ends of the surface of spur gear.
8. according to claim 1 or 2 or 3 described speed changers, it is characterized in that the rotating ratio of motor output shaft and three grades of rotating shaft outputs is 1:3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320019383 CN203051632U (en) | 2013-01-14 | 2013-01-14 | Transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320019383 CN203051632U (en) | 2013-01-14 | 2013-01-14 | Transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203051632U true CN203051632U (en) | 2013-07-10 |
Family
ID=48734588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320019383 Expired - Fee Related CN203051632U (en) | 2013-01-14 | 2013-01-14 | Transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203051632U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697114A (en) * | 2013-11-28 | 2014-04-02 | 江苏泰隆减速机股份有限公司 | Manual and electric compact type steering speed reducer |
| CN103910283A (en) * | 2014-03-28 | 2014-07-09 | 常州市瑞泰工程机械有限公司 | Compact-type gear drive box |
| CN110159735A (en) * | 2019-05-10 | 2019-08-23 | 中国煤炭科工集团太原研究院有限公司 | A kind of digging and anchoring integrated machine loading retarder |
-
2013
- 2013-01-14 CN CN 201320019383 patent/CN203051632U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697114A (en) * | 2013-11-28 | 2014-04-02 | 江苏泰隆减速机股份有限公司 | Manual and electric compact type steering speed reducer |
| CN103910283A (en) * | 2014-03-28 | 2014-07-09 | 常州市瑞泰工程机械有限公司 | Compact-type gear drive box |
| CN103910283B (en) * | 2014-03-28 | 2017-02-08 | 常州市瑞泰工程机械有限公司 | Compact-type gear drive box |
| CN110159735A (en) * | 2019-05-10 | 2019-08-23 | 中国煤炭科工集团太原研究院有限公司 | A kind of digging and anchoring integrated machine loading retarder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20140114 |