CN201180767Y - Electromagnetic planetary gear speed regulator - Google Patents
Electromagnetic planetary gear speed regulator Download PDFInfo
- Publication number
- CN201180767Y CN201180767Y CNU2008200976428U CN200820097642U CN201180767Y CN 201180767 Y CN201180767 Y CN 201180767Y CN U2008200976428 U CNU2008200976428 U CN U2008200976428U CN 200820097642 U CN200820097642 U CN 200820097642U CN 201180767 Y CN201180767 Y CN 201180767Y
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- China
- Prior art keywords
- output shaft
- planetary
- planet
- planetary gear
- field coil
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an electromagnetic planetary gear speed governor. A planetary carrier is arranged inside the casing at the power input end, 2-4 planetary gears are uniformly arranged on the planetary carrier, each of which is movably sheathed on the planetary shaft of the planetary carrier, an excitation coil is arranged on the inner wall of the casing on the output shaft side, an output shaft passes through the central hole of the excitation coil, a sun gear is sheathed at one end of the output shaft positioned inside the casing, the sun gear is positioned among the 2-4 planetary gears and engages with the 2-4 planetary gears at the same time, a circular disc with an I-shaped cross section is movably sheathed on the output shaft between the planetary gears and the excitation coil to form a left geared ring and a supporting frame of an armature, the planetary gears are positioned inside the left geared ring and engages with the left geared ring, and the excitation coil is positioned inside the armature. The speed governor can realize on-off status via electromagnetic control, and has stepless speed, constant rotating torque, rotation speed and power; retains the advantages of planetary gear transmission and electromagnetic speed regulation; meanwhile, the speed governor has the advantages of high efficiency (up to 97%), small volume, light weight, low cost, and easy control.
Description
Technical field
The utility model belongs to the dynamo-electric speed change gear of a kind of gear, specifically, is a kind of electromagnetic planetary gear governor.
Background technique
At present, extensively the gear speeder of utilization all is the hydraulic pressure planetary speed variator, all be by oil hydraulic pump the adjusting of the gear in the casing, left gear ring etc. to be reached the effect of speed change, mechanical energy becomes the hydraulic pressure energy in speed-change process, and speed change efficient is lower, and it is bigger that the oil pump volume is installed, more inner structures relate to will carry out oil sealing, causes the total more complicated, and whole speed changer is also heavier, be not easy to control, cost is also bigger.Simultaneously the hydraulic pressure planetary speed variator is difficult to realize permanent torque, permanent rotating speed, permanent power in the work transmission process, during startup or during the overburdening motion, lacks the protection to speed change gear.
The model utility content
Technical problem to be solved in the utility model is to provide a kind of Current Control by field coil in the magnetic pole to realize clutch, infinite variable speed electromagnetic planetary gear governor.
The technical solution of the utility model is as follows: a kind of electromagnetic planetary gear governor, comprise housing, output shaft, its key is: be provided with planet carrier in the described power intake housing, 2～4 planet wheels evenly are set on this planet carrier, this planet wheel kink is on the planet axis of planet carrier, the inner walls of described output shaft one side is provided with the magnetic pole excitation coil, described output shaft passes the center hole of this field coil, the end that this output shaft is positioned at housing is with sun gear, this sun gear is positioned in the middle of 2～4 planet wheels, and mesh simultaneously with 2～4 planet wheels, kink has disk on the output shaft between described planet wheel and the field coil, and this disk cross section is " worker " font, form left gear ring and armature, described planet wheel is positioned at left gear ring, and meshes with this left side gear ring, and described field coil is positioned at armature.
The electromagnetic planetary gear governor of above structure similarly is to be made up of planetary pinion machine and magnetic clutch.Can in very large range carry out stepless speed regulation by controller.And output speed can be higher than input speed.Clutch is by two with one heart and the parts of magnetic pole fixed armature rotation are formed: one is called magnetic pole (inner stator) field coil, and another is called armature (external rotor).When the field coil of magnetic pole during, just form some to the acute space magnetic field that replaces mutually along the pawl utmost point of air gap circumferential surface by direct current (d.c.).When surrounding the armature rotation of field coil, relatively move between this armature and magnetic field, in the boss circle, just produce eddy current; This eddy current and magnetic flux interact.Produce torque, so because field coil is fixed the armature rotation slows down.The field coil electric current of control magnetic pole can be realized output functions such as clutch, stepless change, permanent torque, permanent rotating speed, permanent power
After power is imported from input shaft, the input shaft rotation, planet carrier is fixedlyed connected with input shaft, so planet carrier is also along with rotation.Be fixed with three planet wheel shafts on the planet carrier, kink three planetary pinions on three planet wheel shafts.Three planetary pinions are along with planet carrier rotates and rotation around sun gear.Three planetary pinions and sun gear and left gear ring are meshing.The other end of disk is an armature, and this armature inner edge has fixing field coil.Because field coil fixedly need not carbon brush, so improved mechanical strength effectively.Be equivalent to clutch and throw off when the field coil no current of magnetic pole, sun gear is owing to there is load not rotate.Its power is through input shaft, and planet carrier, planetary pinion make left gear ring rotation.
When the field coil of magnetic pole during, just form some to the acute space magnetic field that replaces mutually along the pawl utmost point of air gap circumferential surface by direct current (d.c.).When surrounding the armature rotation of magnetic pole,, in armature, just produce eddy current owing to relatively move between this armature and magnetic field; This eddy current and magnetic flux interact.Produce torque, so because magnetic pole is fixed the armature rotation slows down.Its power is just through input shaft, and planet carrier, planetary pinion are delivered to sun gear and make the sun gear rotation, and sun gear is fixedlyed connected with output shaft, so just rotation of output shaft.Change the electric current of field coil, the output power of can regulate output shaft, torque and rotating speed.
Above-mentioned housing covers shell opening by the flange machine cap and connects to form through bolt, and the flange machine cap can well be connected with the flange of constant power motor like this.
Above-mentioned disk, can adjusting disk freely rotates and realizes stepless change at output shaft by bearing housing.
The external connection end of above-mentioned output shaft has keyway, is convenient to connect.
On the output shaft between above-mentioned disk and the casing speed probe is installed.Can regulate the electric current of magnetic pole according to the rotating speed of output shaft.
Optimum scheme is provided with 3 planet wheels on the above-mentioned planet carrier.For the ease of being provided with bearing between above-mentioned disk excircle of the belt transmission of output shaft and the casing inner wall.
Beneficial effect: the utility model can be realized clutch, stepless change, permanent torque, permanent rotating speed, permanent power by changing exciting voltage; All planetary pinion transmission advantages and electromagnetic speed-adjusting advantage have been passed on; The efficient height reaches as high as 97% simultaneously, and volume is little, and is in light weight, at the bottom of the cost, is easy to control; Control is simple, owing to be soft transmission, stepless change can cushion when overburdening, and it is big that unlikely damage parts are compared the little low speed torque of electromagnetic speed-adjusting power controlling, and the efficient height can be realized No Load Start, and security of operation is reliable and stable.Rotor is non-carbonate, mechanical strength height, perfect motor protection: can be set to No Load Start by motor, reduce the engine start load to greatest extent; Can when being about to overburdening, motor cushion, so improved engine life to greatest extent.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is planet wheel and the distribution map of sun gear on planet carrier.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 1 and Figure 2, the utility model electromagnetic planetary gear governor is made up of housing, output shaft 3 etc., and described housing is connected to form through bolt by the opening that flange machine cap 1 covers casing 10.The external connection end of output shaft 3 has keyway, be with planet carrier 4 on the input shaft in this housing, three planet wheels 5 evenly are set on this planet carrier 4, this planet wheel 5 passes through the bearing kink on the planet axis of planet carrier 4, the inner walls of described output shaft 2 one sides is provided with field coil 8, described output shaft 3 passes the center hole of this field coil 8, the end that this output shaft 3 is positioned at housing is with sun gear 6, this sun gear 6 is positioned in the middle of three planet wheels 5, and mesh simultaneously with three planet wheels 5, on the output shaft 3 between described planet wheel 5 and the field coil 8, disk 7 is arranged by the bearing kink, these disk 7 cross sections are " worker " font, form left gear ring and armature, and described planet wheel 5 is positioned at left gear ring, and with the engagement of this left side gear ring, described field coil 8 is positioned at armature.On the output shaft 3 between described disk 7 and the casing 10 speed probe 9 is installed, field coil 8 links to each other with controller by lead.
Working principle: after power is imported from input shaft, the input shaft rotation, planet carrier 4 is fixedlyed connected with input shaft, so planet carrier 4 is also along with rotation.Three planet wheels 5 are along with the circle rotation of planet carrier 4 around planet carrier 4.Three planet wheels 5 are meshing with sun gear 6, and the engagement of left gear ring.The boss corral of gear ring other end, a left side accommodates field coil 8, is equivalent to clutch and throws off when field coil 8 no currents, and sun gear 6 is owing to there is load not rotate.Its power is through input shaft, and planet carrier 4, planet wheel 5 make left gear ring rotation.Can produce magnetic field when field coil 8 has electric current, its power is through input shaft, planet carrier 4, planet wheel 5 make left gear ring rotation (by electrophysics as can be known the conductor cutting magnetic line can produce electric current and this electric current can hinder the motion of conductor).So left gear ring rotating speed reduces, its power will be delivered to sun gear 6 through planet wheel 5 and make sun gear 6 rotations, and sun gear 6 is fixedlyed connected with output shaft, so just rotation of output shaft.
Permanent torque transmission: give a fixed excitation electric current by controller, can permanent torque transmission.
Permanent rotating speed transmission: control field current by the electrical signal via controller of speed probe 9 and get final product.
Permanent power transmission: controlled field current afterwards by the electrical signal via controller computing of speed probe 9 and get final product.By the restriction of controller, can effectively prevent the overload operation of motor to maximum field current.When excitation-free current, then be equivalent to clutch and throw off, can be used for the No Load Start of motor.So output function is many, and perfect to the motor protection.
Claims (6)
1, a kind of electromagnetic planetary gear governor, comprise housing, output shaft (3), it is characterized in that: be provided with planet carrier (4) in the described power intake housing, 2～4 planet wheels (5) evenly are set on this planet carrier (4), this planet wheel (5) kink is on the planet axis of planet carrier (4), the inner walls of described output shaft (2) one sides is provided with field coil (8), described output shaft (3) passes the center hole of this field coil (8), the end that this output shaft (3) is positioned at housing is with sun gear (6), this sun gear (6) is positioned in the middle of 2～4 planet wheels (5), and mesh simultaneously with 2～4 planet wheels (5), output shaft (3) between described planet wheel (5) and field coil (8) is gone up kink disk (7), this disk (7) cross section is " worker " font, form supporting frame in left gear ring and the armature, described planet wheel (5) is positioned at left gear ring, and meshes with this left side gear ring, and described field coil (8) is positioned at armature.
2, according to the described electromagnetic planetary gear governor of claim 1, it is characterized in that: described housing is connected to form through bolt by the opening that flange machine cap (1) covers casing (10).
3, according to the described electromagnetic planetary gear governor of claim 1, it is characterized in that: described disk (7) by bearing housing in output shaft (3).
4, according to the described electromagnetic planetary gear governor of claim 1, it is characterized in that: the external connection end of described output shaft (3) has keyway.
5, according to the described electromagnetic planetary gear governor of claim 1, it is characterized in that: on the output shaft between described disk (7) and the casing (10) speed probe is installed.
6, according to the described electromagnetic planetary gear governor of claim 1, it is characterized in that: described planet carrier (4) is provided with 3 planet wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200976428U CN201180767Y (en) | 2008-02-04 | 2008-02-04 | Electromagnetic planetary gear speed regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200976428U CN201180767Y (en) | 2008-02-04 | 2008-02-04 | Electromagnetic planetary gear speed regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201180767Y true CN201180767Y (en) | 2009-01-14 |
Family
ID=40250266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200976428U Expired - Fee Related CN201180767Y (en) | 2008-02-04 | 2008-02-04 | Electromagnetic planetary gear speed regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201180767Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103051102A (en) * | 2012-12-10 | 2013-04-17 | 大连恒田动力电源有限公司 | Electromechanical variable-speed motor |
| CN105207410A (en) * | 2015-10-26 | 2015-12-30 | 马国才 | Electromechanical variable-speed motor |
| WO2023159673A1 (en) * | 2022-02-28 | 2023-08-31 | 房县忠意设备有限公司 | Large-torque continuously variable transmission for use in vehicles |
-
2008
- 2008-02-04 CN CNU2008200976428U patent/CN201180767Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103051102A (en) * | 2012-12-10 | 2013-04-17 | 大连恒田动力电源有限公司 | Electromechanical variable-speed motor |
| CN105207410A (en) * | 2015-10-26 | 2015-12-30 | 马国才 | Electromechanical variable-speed motor |
| WO2023159673A1 (en) * | 2022-02-28 | 2023-08-31 | 房县忠意设备有限公司 | Large-torque continuously variable transmission for use in vehicles |
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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: 20090114 Termination date: 20110204 |