CN201651185U - A reducer with stepless speed regulation function - Google Patents
A reducer with stepless speed regulation function Download PDFInfo
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- CN201651185U CN201651185U CN2010201163535U CN201020116353U CN201651185U CN 201651185 U CN201651185 U CN 201651185U CN 2010201163535 U CN2010201163535 U CN 2010201163535U CN 201020116353 U CN201020116353 U CN 201020116353U CN 201651185 U CN201651185 U CN 201651185U
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- output shaft
- oil film
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Abstract
本实用新型公开一种具有无级调速功能的减速器，包括机壳、高速输入轴与负载输出轴，特征是在高速输入轴与负载输出轴之间设置有至少一根中间过渡轴，高速输入轴与中间过渡轴及中间过渡轴与负载输出轴之间通过减速齿轮副相连接，在上述某一中间过渡轴上设置有油膜离合器。本实用新型将油膜离合器设置在中间过渡轴上，尤其是末位次上的中间过渡轴上，调速过程中，油膜离合器主、从动摩擦片之间的相对转速较低，摩擦片之间的油膜为层流状，能大大提高调速精度和调速稳定性；同时，这种设置方式也能很好地解决轴端密封问题。
The utility model discloses a reducer with a stepless speed regulation function, which comprises a casing, a high-speed input shaft and a load output shaft, and is characterized in that at least one intermediate transition shaft is arranged between the high-speed input shaft and the load output shaft, and the high-speed The input shaft and the intermediate transition shaft and the intermediate transition shaft and the load output shaft are connected through a reduction gear pair, and an oil film clutch is arranged on one of the intermediate transition shafts. In the utility model, the oil film clutch is arranged on the intermediate transition shaft, especially the intermediate transition shaft on the last position. During the speed regulation process, the relative speed between the main and driven friction plates of the oil film clutch is relatively low, and the friction plate between the friction plates The oil film is laminar, which can greatly improve the speed regulation accuracy and stability; at the same time, this setting method can also solve the shaft end sealing problem well.
Description
Technical field
The utility model relates to a kind of retarder with function of stepless speed regulation, and this retarder combines common retarder with oil film clutch, integrates retarder and speed regulator function.
Background technique
Current, general common retarder and two independent device of speed regulator of adopting of the stepless speed regulation of low speed big machinery are finished.Speed regulator commonly used mainly contains following several:
1, speed regulation type hydrodynamic coupler: it utilizes the liquid of high speed rotating between pump impeller and the turbine, and mechanical energy is delivered to turbine from pump impeller, and turbine back connection reducer drives load machinery and rotates.Regulate the filling amount in the turbine pump impeller chamber, with regard to the can regulate load speed.This arrangements for speed regulation are positioned on the high speed shaft, in its back independent retarder need be installed, and retarder and Coupler overall volume are very big.The regulable speed type coupler can only roughly be regulated filling amount by the spoon bar, and adjusting speed accuracy is lower.
2, sticky liquid speed regulating device: oil film clutch is made independently arrangements for speed regulation, be installed on the high speed shaft, between motor and retarder.In high speed shaft high speed rotary process, the oil film between the driving and driven friction plate of clutch is in turbulent condition, when the control oil pressure is zero, bigger band row moment output is arranged, and promptly installs output torque and non-vanishing.When transmitting equal-wattage, output torque is less on the high speed shaft, so liquid sliminess soft starter device output torque adjustable extent is narrower.The deviation that the high speed shaft output torque is regulated can produce bigger deviation after amplifying through retarder on output shaft.Above-mentioned shortcoming greatly reduces the adjusting speed accuracy of sticky liquid speed regulating device.In addition, device is operated in high speed shaft, and the shaft end seal of high speed rotating is had very high requirement, and machining deviation very easily causes the axle head leakage of oil.
3, variable-frequency governor: be used for the variable-frequency governor of starting of bulk loads machinery and speed governing,, generally adopt high voltage converter because power is bigger.At present, the main dependence on import of domestic high voltage variable frequency speed regulator costs an arm and a leg, and variable-frequency governor to FE field engineering's teacher technical requirements than higher.Because be subjected to the restriction of power electronic devices preparation process, domestic high voltage converter functional reliability is relatively poor relatively.In addition, frequency variator inevitable humorous wave interference in service also makes Control Engineering teacher feel more puzzlement.
Summary of the invention
Task of the present utility model mainly is to solve the existing technological deficiency of above-mentioned arrangements for speed regulation, and a kind of retarder with function of stepless speed regulation is provided.
Its technical solution is:
A kind of retarder with function of stepless speed regulation, comprise casing, high speed input shaft and load output shaft, between high speed input shaft and load output shaft, be provided with at least one middle transition axle, be connected by speed reducing gear pair between high speed input shaft and middle transition axle and middle transition axle and the load output shaft, above-mentioned a certain middle transition axle is provided with oil film clutch.
Be disposed with the middle transition axle more than two between high speed input shaft and load output shaft, be connected by speed reducing gear pair between adjacent two middle transition axles, above-mentioned oil film clutch is set in place on the middle transition axle on the last precedence.
Middle transition axle on the above-mentioned last precedence and the speed reducing gear pair between the middle transition axle on the last precedence are set at last precedence speed reducing gear pair, and middle transition axle and the speed reducing gear pair between the load output shaft on the above-mentioned last precedence are set at current precedence speed reducing gear pair; Gearwheel in the last precedence speed reducing gear pair is connected with the input end of oil film clutch, the middle transition axle of end on the precedence is connected with the output terminal of oil film clutch, and the small gear in the current precedence speed reducing gear pair is connected with middle transition axle on the last precedence; The input end of above-mentioned oil film clutch comprises rolling disc, the ring gear that is fixed together with rolling disc and the active friction plate that cooperates with ring gear, the output terminal of above-mentioned oil film clutch comprise from movable friction plate, with tooth drum that cooperates from movable friction plate and the output shaft part that is connected with the tooth drum, be connected with middle transition axle on the above-mentioned last precedence by exporting shaft part.
Above-mentioned oil film clutch also comprises control oil cylinder, piston, Returnning spring, lubricant oil feeding pipe road and the oily oil feed line of control, control oily oil feed line and control oil can be imported the control oil cylinder, the lubricant oil feeding pipe road can import lubricant oil active friction plate with in the space at movable friction plate place.
The shaft axis of above-mentioned high speed input shaft, middle transition axle and load output shaft is arranged in parallel.
Above-mentioned high speed input shaft and the mutual vertical setting of the shaft axis of load output shaft; The shaft axis of above-mentioned middle transition axle and load output shaft is arranged in parallel.
The utlity model has following useful technique effect:
The utility model is arranged on oil film clutch on the middle transition axle, especially on the middle transition axle on the last precedence, in the speed regulation process, relative rotation speed between the driving and driven friction plate of oil film clutch is lower, oil film between the friction plate is the laminar flow shape, can improve adjusting speed accuracy and speed governing stability greatly; Simultaneously, this setup also solves the shaft end seal problem well.
Simultaneously, the utility model not only has the deceleration of common retarder, also can have the function that makes bulk loads slow start and stepless speed regulation.More specifically say:
1, can make the main motor No Load Start, reduce impact electrical network.
2, load machinery is accelerated at full speed according to the acceleration curve of setting, the mechanical shock when reducing to start, the working life of prolongation transmission part.
3,, can make load equipment in extremely accurately speed governing between the full speed of zero-speed according to producing needs.
When 4, multiple electric motors drives same load jointly, can realize the power-balance between each motor.
5, structure is simpler and easy than the speed control device CST of identical function, easily makes and installs.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing and embodiment:
Fig. 1 is the structural principle simplified schematic diagram of a kind of mode of execution of the present utility model.
Fig. 2 is the structural principle simplified schematic diagram of another kind of mode of execution of the present utility model.
Embodiment
Embodiment 1
In conjunction with Fig. 1, a kind of retarder with function of stepless speed regulation comprises casing, high speed input shaft 1 and load output shaft 2, and the shaft axis of the shaft axis of high speed input shaft 1 and load output shaft 2 is arranged in parallel.The shaft axis that is disposed with a middle transition axle 3 and 4, numbers middle transition axles of No. two middle transition axles 3, No. two middle transition axles 4 between high speed input shaft 1 and load output shaft 2 also is arranged in parallel with the shaft axis of high speed input shaft 1.Be connected by first speed reducing gear pair 5 between high speed input shaft and the middle transition axle, be connected by second speed reducing gear pair 6 between middle transition axle 3 and No. two middle transition axles 4, be connected by the 3rd speed reducing gear pair 7 between No. two middle transition axles 4 and the load output shaft 2, above-mentioned No. two middle transition axles 4 are provided with oil film clutch 8.If with the middle transition axle on the above-mentioned last precedence promptly No. two middle transition axles 4 be that second speed reducing gear pair 6 between the middle transition axle 3 is set at last precedence speed reducing gear pair with middle transition axle on the last precedence, the 3rd speed reducing gear pair 7 between middle transition axle on the above-mentioned last precedence and the load output shaft is set at current precedence speed reducing gear pair, gearwheel 601 in the so last precedence speed reducing gear pair is connected with the input end of oil film clutch, No. two the middle transition axle is connected with the output terminal of oil film clutch, and the small gear 700 in the current precedence speed reducing gear pair is connected with No. two middle transition axles.The input end of above-mentioned oil film clutch comprises rolling disc, the ring gear that is fixed together with rolling disc and the active friction plate that cooperates with ring gear, the output terminal of above-mentioned oil film clutch comprise from movable friction plate, with tooth drum that cooperates from movable friction plate and the output shaft part that is connected with the tooth drum, export shaft part and be connected with middle transition axle on the above-mentioned last precedence.Above-mentioned oil film clutch also comprises control oil cylinder, piston, Returnning spring, lubricant oil feeding pipe road and the oily oil feed line of control, control oily oil feed line and control oil can be imported the control oil cylinder, the lubricant oil feeding pipe road can import lubricant oil active friction plate with in the space at movable friction plate place.
In conjunction with Fig. 2, a kind of retarder with function of stepless speed regulation comprises casing, high speed input shaft 1 and load output shaft 2, the shaft axis of high speed input shaft 1 and the mutual vertical setting of the shaft axis of load output shaft 2.Being disposed with a middle transition axle 3 and 4, numbers middle transition axles of No. two middle transition axles 3, the shaft axis of No. two middle transition axles 4 and the shaft axis of load output shaft 2 between high speed input shaft 1 and load output shaft 2 is arranged in parallel.Be connected by first speed reducing gear pair 5 (bevel gear pair) between high speed input shaft and the middle transition axle, be connected by second speed reducing gear pair 6 between middle transition axle 3 and No. two middle transition axles 4, be connected by the 3rd speed reducing gear pair 7 between No. two middle transition axles 4 and the load output shaft 2, above-mentioned No. two middle transition axles 4 are provided with oil film clutch 8.If with the middle transition axle on the above-mentioned last precedence promptly No. two middle transition axles 4 be that second speed reducing gear pair 6 between the middle transition axle 3 is set at last precedence speed reducing gear pair with middle transition axle on the last precedence, the 3rd speed reducing gear pair 7 between middle transition axle on the above-mentioned last precedence and the load output shaft is set at current precedence speed reducing gear pair, gearwheel 601 in the last precedence speed reducing gear pair is connected with the input end of oil film clutch, No. two the middle transition axle is connected with the output terminal of oil film clutch, and the small gear 700 in the current precedence speed reducing gear pair is connected with No. two middle transition axles.The input end of above-mentioned oil film clutch comprises rolling disc, the ring gear that is fixed together with rolling disc and the active friction plate that cooperates with ring gear, the output terminal of above-mentioned oil film clutch comprise from movable friction plate, with tooth drum that cooperates from movable friction plate and the output shaft part that is connected with the tooth drum, export shaft part and be connected with middle transition axle on the above-mentioned last precedence.Above-mentioned oil film clutch also comprises control oil cylinder, piston, Returnning spring, lubricant oil feeding pipe road and the oily oil feed line of control, control oily oil feed line and control oil can be imported the control oil cylinder, the lubricant oil feeding pipe road can import lubricant oil active friction plate with in the space at movable friction plate place.
Need to prove that the relevant technologies of above-mentioned oil film clutch is formed can further use for reference the realization of existing oil film clutch relevant art composition.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201163535U CN201651185U (en) | 2010-02-10 | 2010-02-10 | A reducer with stepless speed regulation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201163535U CN201651185U (en) | 2010-02-10 | 2010-02-10 | A reducer with stepless speed regulation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201651185U true CN201651185U (en) | 2010-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201163535U Expired - Lifetime CN201651185U (en) | 2010-02-10 | 2010-02-10 | A reducer with stepless speed regulation function |
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| Country | Link |
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| CN (1) | CN201651185U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101737464A (en) * | 2010-02-10 | 2010-06-16 | 山东科技大学 | Speed reducer having function of stepless speed regulation |
| CN109139817A (en) * | 2018-10-29 | 2019-01-04 | 重庆金鑫滤清器制造有限公司 | A kind of axle center gear shift transmission |
-
2010
- 2010-02-10 CN CN2010201163535U patent/CN201651185U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101737464A (en) * | 2010-02-10 | 2010-06-16 | 山东科技大学 | Speed reducer having function of stepless speed regulation |
| CN109139817A (en) * | 2018-10-29 | 2019-01-04 | 重庆金鑫滤清器制造有限公司 | A kind of axle center gear shift transmission |
| CN109139817B (en) * | 2018-10-29 | 2024-02-27 | 重庆金鑫滤清器制造有限公司 | Axle center gear shifting speed changer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101124 Effective date of abandoning: 20120321 |