CN205381356U - Multi -functional helping hand speed reducer - Google Patents
Multi -functional helping hand speed reducer Download PDFInfo
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- CN205381356U CN205381356U CN201521020392.4U CN201521020392U CN205381356U CN 205381356 U CN205381356 U CN 205381356U CN 201521020392 U CN201521020392 U CN 201521020392U CN 205381356 U CN205381356 U CN 205381356U
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Abstract
The utility model provides a multi -functional helping hand speed reducer, is mainly detected and is turned to by motor element, separation and reunion and step down gear mechanism, torque ratio and speed detection device, electrical control are constituteed. Characterized by: the separation and reunion comprises transmission shaft, center pin, gear, one -way freewheel clutch etc. With step down gear mechanism, and the speed reducing ratio is big, the torque ratio detects with turn to and the speed detection device mainly comprises half tensioning cover, terminal surface helical gear, hall element etc. Realizes the conversion of motion of gyration - straight line - sharp form, makes the corresponding displacement volume of comparison difference formation of pedal moment and running resistance square to the comparison that can ride moment and running resistance square simultaneously detects and turns to and the detection of rotational speed with pedal axle. Have pure foot tower drive function, pedal and motor helping hand hybrid -driven function, pure motor drive function, the integrated degree of mechanism is high, and output torque is big, thereby and pedal motion advantages such as driving chain mutually noninterfere are separated with electronic driving chain.
Description
Art
The present invention relates to a kind of deceleration device, be specially a kind of multifunctional power-assisted reductor.
Background technology
Reducing motor many employings hub-type motor of current Moped Scooter, exist off-position be left reluctance force problem and maintainability difference problem, and much be adopt velocity response power-assisted, it does not have reach real power-assisted effect.Adopting the power-assisted reductor being installed on foot-operated place is a development trend, but domestic development and application in this respect is also little at present.
Summary of the invention
For above-mentioned situation, a kind of multifunctional power-assisted reductor of disclosure, it is arranged on the foot-operated place of Moped Scooter, there is pure foot-operated driving function, the foot-operated and multiple driving function such as motor power-assisted combination drive function, pure motor driving function, drive mechanism, motor, controller and power-assisted induction mechanism compound are integrated in reductor, volume is little, and speed reducing ratio and output moment of torsion are big, and foot-operated actuation movement separates with electric transmission chain thus efficiency is high.Owing to adopting middle to install, it is to avoid remanent magnetism resistance problem, and maintainability is good.
For reaching above-mentioned purpose, the technical solution adopted in the present invention is: multifunctional power-assisted reductor mainly relatively detected by electric machine assembly, clutch and reduction gearing mechanism, torque ratio and turn to and speed detector, electrical control etc. part form.The specific scheme is that (1) adopts the external gear pump reducing gear of two-stage big retarding ratio, comprehensive reducing speed ratio is big.(2) on final drive axle, coaxially it is equipped with inside and outside two groups of mono-directional overrun clutch, torque ratios and relatively detects and turn to and speed detector, compact conformation, and be completely eliminated the pedal exercising impact on other driving-chain part and motor.(3) torque ratio relatively detects and turns to and speed detector is by turning round straight line straight line conversion type torque ratio relatively testing agency and turnmeter numerical expression turns to Rotating speed measring mechanism to be composited, and can carry out the comparison detection of pedal moment and running resistance square simultaneously and pedal spindle turns to and the detection of rotating speed.(4) torque ratio relatively testing agency is formed by determining angular circular tension mechanism, end face helical teeth mechanism, Hall element etc., realize the motion conversion of revolution straight line form of straight lines, pedal moment is made to form corresponding displacement to the comparison difference of running resistance square, thus detecting corresponding signal.
Accompanying drawing explanation
Fig. 1 is a kind of multifunctional power-assisted speed reducer structure sketch.
Fig. 2 is A-A sectional stretch-out view.
Fig. 3 is B-B sectional view.
Fig. 4 is the assembling relationship figure of half tensioning sleeve and tension spring.
In figure: 1, electric machine assembly；2, housing；3, gear III；4, power transmission shaft；5, bearing I；6, central shaft；7, needle bearing；8, drive sleeve；9, key I；10, bearing I I；11, half tensioning sleeve I；12, tension spring；13, half tensioning sleeve II；14, splicing sleeve；15, mono-directional overrun clutch I；16, bearing I II；17, clutch inner ring；18, mono-directional overrun clutch II；19, gear IV；20, clutch outer；21, end face helical teeth ring；22, spring；23, electrical equipment control part；24, fixed cover；25, key II；26, bearing I V；27, foot-operated；28, fairlead；29, screw；30, ring set；31, bearing V；32, gear II；33, gear I；34, case；35, sprocket wheel；36, bearing VI；37, outer ring is lengthened；38, slipping block；39, magnetic steel ingot I；40, power-assisted Hall element；41, support；42, counting Hall element；43, magnetic steel ingot II.
Specific embodiments
From the above with structural representation it can be seen that
Electric machine assembly 1 is fixedly mounted on the location right in housing 2, and gear III3 is fixedly mounted on the lower end of power transmission shaft 4；Power transmission shaft 4 is arranged on the axis hole position in the middle part of housing 2, case 34 by bearing I 5, bearing V31, bearing I 5 is arranged on the axis hole position in the middle part of housing 2, central shaft 6 is arranged on the axis hole position on housing 2, case 34 left side, its lower end is arranged on the axis hole position of drive sleeve 8 by bearing I I10, and upper end is arranged on the axis hole position on case 34 left side by bearing I V26；Needle bearing 7 is fixedly mounted on the medium position of central shaft 6, drive sleeve 8 is arranged on splicing sleeve 14 by bearing VI36, key I9 is fixedly mounted on the lower end position of central shaft 6, bearing I I10 is fixedly mounted in drive sleeve 8, and half tensioning sleeve I11 couples the lower end position being fixed on central shaft 6 by key I9；The tension spring 12 of some arcs is mounted side by side on the cylinder of half tensioning sleeve I11, half tensioning sleeve II13, and the opening two ends of tension spring 12 are respectively blocked by the circumference boss of half tensioning sleeve I11, half tensioning sleeve II13；Half tensioning sleeve II13 is fixedly mounted on the medium position of central shaft 6 by needle bearing 7, the end face boss of its end face boss and half tensioning sleeve I11 is staggered and detains mutually, forms an idle running angle, and its end face is additionally provided with helical teeth, engage with end face helical teeth ring 21 end face helical teeth, composition end face helical teeth mechanism；Splicing sleeve 14 is fixedly mounted on the axis hole position on housing 2 left side, and mono-directional overrun clutch I15 is solidified as a whole by its inner ring and half tensioning sleeve II13, and is embedded on the inner periphery of drive sleeve 8 by its clutch outer 20 is fixing；Bearing I II16 is fixedly mounted on the axis hole position on housing 2 left side, and clutch inner ring 17 is a part of mono-directional overrun clutch II18, and mono-directional overrun clutch II18 is fixed by its clutch inner ring 17 and is embedded on the excircle of drive sleeve 8；Gear IV19 is fixedly mounted on the excircle lengthening outer ring 37, clutch outer 20 is a part of mono-directional overrun clutch I15, end face helical teeth ring 21 is arranged on fixed cover 24, it is axially arranged gathering sill, this gathering sill coordinates with the gathering sill of fairlead 28 so that end face helical teeth ring 21 can directional-sliding, its end face is provided with helical teeth, engage with the end face helical teeth of half tensioning sleeve II13, constitute end face helical teeth mechanism；Spring 22 is enclosed between fairlead 28 and end face helical teeth ring 21, electrical control part 23 is arranged on case 34 left position, fixed cover 24 is arranged on central shaft 6 by key II25 is circumferentially fixed, key II25 is fixedly mounted on central shaft 6, bearing I V26 is arranged on the axis hole position on case 34 left side, and foot-operated 27 are arranged on the two ends of central shaft 6, the axially arranged fairlead 28 having gathering sill, it is arranged on fixed cover 24, and connects locking by end face gain and screw 29；Ring set 30 is fixedly mounted on fixed cover 24, and bearing V31 is arranged on the axis hole position in the middle part of case 34, and gear II32 is fixedly mounted on power transmission shaft 4 upper end；Gear I33 is fixedly mounted on the output shaft of electric machine assembly 1, case 34 and housing 2 axis hole aligned in position Matching installation, sprocket wheel 35 is fixedly mounted on the outer end of drive sleeve 8, bearing VI36 is arranged on splicing sleeve 14, lengthen the some that outer ring 37 is mono-directional overrun clutch II18, it is bearing in the axis hole position on housing 2 left side by bearing I II16, and slipping block 38 is formed with support 41 and is slidably installed, and the U groove of slipping block 38 and the ring limit of end face helical teeth ring 21 are also formed and be slidably matched simultaneously；Magnetic steel ingot I39 is fixed on slipping block 38, power-assisted Hall element 40 is fixed on support 41, and the support 41 being provided with gathering sill is fixedly mounted on housing 2, and two pieces counting Hall element 42 is fixed on support 41, magnetic steel ingot II43 is fixed on ring set 30, and is circumferentially disposed along ring set 30.
Said gear III3, power transmission shaft 4, central shaft 6, drive sleeve 8, mono-directional overrun clutch I15, mono-directional overrun clutch II18, gear IV19, gear II32, gear I33 and bearing I 5, bearing I I10, bearing I II16, bearing I V26, bearing V31, bearing VI36 composition clutch and reduction gearing mechanism.
Needle bearing 7, half tensioning sleeve I11, tension spring 12, half tensioning sleeve II13, end face helical teeth ring 21, spring 22, fixed cover 24, key II25, fairlead 28, ring set 30, slipping block 38, magnetic steel ingot I39, power-assisted Hall element 40, support 41, counting Hall element 42, magnetic steel ingot II43 constitutes torque ratio and relatively detects and turn to and speed detector, wherein needle bearing 7, half tensioning sleeve I11, tension spring 12, half tensioning sleeve II13, end face helical teeth ring 21, spring 22, fixed cover 24, key II25, fairlead 28, slipping block 38, magnetic steel ingot I39, power-assisted Hall element 40, support 41 combination is revolution-straight line-straight line conversion type torque ratio relatively testing agency；Fixed cover 24, key II25, ring set 30, counting Hall element 42, magnetic steel ingot II43 form turnmeter numerical expression and turn to and Rotating speed measring mechanism；Half tensioning sleeve I11, tension spring 12, half tensioning sleeve II13 composition determines angular circular tension mechanism；The end face helical teeth part of half tensioning sleeve II13 and end face helical teeth ring 21 end face helical teeth ring composition end face helical teeth mechanism.
In such scheme, half tensioning sleeve I11 may be used without that spline pattern and central shaft 6 is fixing to be connected, half tensioning sleeve II13 may be used without the form of being slidably matched and is arranged on central shaft 6, fixed cover 24 may be used without the patterns such as spline pattern or screws tighten and is fixedly mounted on central shaft 6, fixed cover 24 and fairlead 28 can also be combined into a part, corresponding cancellation screw 29；Fixed cover 24 may be used without nonmagnetic substance and directly fixes magnetic steel ingot II43 on its flange excircle, thus ring set 30 can be cancelled；Ring set 30, magnetic steel ingot II43, counting Hall element 42 can also be cancelled simultaneously；The end face boss of half tensioning sleeve I11, half tensioning sleeve II13 can also be cancelled；Some tension springs 12 also can change integral curved spring into.
Electric boosted mode operation principle: during pedal, pedal moment passes to sprocket wheel 35 by central shaft 6, half tensioning sleeve I11, tension spring 12, half tensioning sleeve II13, mono-directional overrun clutch I15, drive sleeve 8.nullExistence due to running resistance，Tension spring 12 produces certain deformation，Half tensioning sleeve I11 and half tensioning sleeve II13 is made relatively to turn round an angle，Owing to half tensioning sleeve I11 is by central shaft 6、Fixed cover 24、Fairlead 28 and end face helical teeth ring 21 are formed circumferentially fixed，Therefore drive that end face helical teeth ring 21 is relative with the end face helical teeth of half tensioning sleeve II13 turns over an equal angle，Effect due to pitch face，End face helical teeth ring 21 is made to produce to move axially a corresponding distance，Slipping block 38 is driven to move accordingly together with magnetic steel ingot I39，Make power-assisted Hall element 40 induced signal generation respective change，When running resistance more big then end face helical teeth ring 21 axial internal clearance is more big，Thus power-assisted hall signal changes more greatly，When signal intensity is greatly to setting value，By the control circuit drive motor assembly 1 of electric control system 23，By clutch and reduction gearing mechanism transmission，Realize moment amplification and drive sprocket 35 operates，Realize electric boosted.Due to the effect of mono-directional overrun clutch I15, motorized motions will not be transferred to central shaft 6 and foot-operated 27, thus not interfering with pedal exercising；Spring 22 makes end face helical teeth ring 21 tight contact between with the end face helical teeth of half tensioning sleeve II13 all the time, it is ensured that displacement accuracy and in time reset.When pedal exercising, fixed cover 24 is driven to be synchronized with the movement together with ring set 30, magnetic steel ingot II43, two counting Hall element 42 successively sensings are made to produce signal, by the foot-operated rotation direction of system analysis computation and rotational angle, for realizing attributive function, namely foot-operated drive forwards and turn over certain angle after assist function just can come into force；This attributive function is not substantial affects assist function, it is also possible to cancels this and turns to and rotary test speed function and above-mentioned corresponding part.
Pure electric Drive Mode operation logic: arranged by electric control system 23, direct-driving motor assembly 1, by clutch and reduction gearing mechanism drive sprocket 35, it is due to the effect of built-in mono-directional overrun clutch I15 equally, makes motor drive transmission not affect foot-operated transmission.
Pure foot-operated drive pattern operation logic: arrange shutoff electric functions by electric control system 23, pedal exercising drives drive sleeve 8 thus band movable sprocket 35 rotates by central shaft 6, half tensioning sleeve I11, tension spring 12, half tensioning sleeve II13, mono-directional overrun clutch I15；Due to the effect of mono-directional overrun clutch II18, pedal exercising does not affect motor transmission mechanism, and the driving parts on clutch and reduction gearing mechanism driving-chain and motor transmission mechanism namely will not be caused to rotate simultaneously, it is to avoid kinetic equation loss and affect electric machine assembly 1.When running resistance arrives certain value greatly, after half tensioning sleeve I11, half tensioning sleeve II13 turn over certain angle relatively, half tensioning sleeve I11, half tensioning sleeve II13 relative idle running angle eliminate, the contact of the boss of its end face thread alternating and directly act on, it is to avoid tension spring 12 bears excessive torque；This function not substantial effect is foot-operated to be driven, it is possible to cancels the direct action function of half tensioning sleeve I11, half tensioning sleeve II13, namely cancels the end face boss of half tensioning sleeve I11, half tensioning sleeve II13.
Claims (5)
1. a multifunctional power-assisted reductor, mainly it is made up of electric machine assembly, housing, case, power transmission shaft, central shaft, gear, bearing, drive sleeve, half tensioning sleeve, spring, mono-directional overrun clutch, end face helical gear, sprocket wheel, electric control system, Hall element, it is characterized in that: electric machine assembly (1) is fixedly mounted on the location right in housing (2), and gear III (3) is fixedly mounted on the lower end of power transmission shaft (4)；Power transmission shaft (4) is arranged on the axis hole position at housing (2), case (34) middle part by bearing I (5), bearing V (31), bearing I (5) is arranged on the axis hole position at housing (2) middle part, central shaft (6) is arranged on the axis hole position on housing (2), case (34) left side, its lower end is arranged on the axis hole position of drive sleeve (8) by bearing I I (10), and upper end is arranged on the axis hole position on case (34) left side by bearing I V (26)；Needle bearing (7) is fixedly mounted on the medium position of central shaft (6), drive sleeve (8) is arranged on splicing sleeve (14) by bearing VI (36), key I (9) is fixedly mounted on the lower end position of central shaft (6), bearing I I (10) is fixedly mounted in drive sleeve (8), and half tensioning sleeve I (11) couples the lower end position being fixed on central shaft (6) by key I (9)；The tension spring (12) of some arcs is mounted side by side on the cylinder of half tensioning sleeve I (11), half tensioning sleeve II (13), and the opening two ends of tension spring (12) are respectively blocked by the circumference boss of half tensioning sleeve I (11), half tensioning sleeve II (13)；Half tensioning sleeve II (13) is fixedly mounted on the medium position of central shaft (6) by needle bearing (7), the end face boss of its end face boss and half tensioning sleeve I (11) is staggered and detains mutually, form an idle running angle, its end face is additionally provided with end face helical teeth, engage with the helical teeth ring of end face helical teeth ring (21), constitute end face helical teeth mechanism；Splicing sleeve (14) is fixedly mounted on the axis hole position on housing (2) left side, mono-directional overrun clutch I (15) is solidified as a whole by its inner ring and half tensioning sleeve II (13), and is embedded on the inner periphery of drive sleeve (8) by its clutch outer (20) is fixing；Bearing I II (16) is fixedly mounted on the axis hole position on housing (2) left side, the part that clutch inner ring (17) is mono-directional overrun clutch II (18), mono-directional overrun clutch II (18) is embedded on the excircle of drive sleeve (8) by its clutch inner ring (17) is fixing；Gear IV (19) is fixedly mounted on the excircle lengthening outer ring (37), the part that clutch outer (20) is mono-directional overrun clutch I (15), end face helical teeth ring (21) is arranged on fixed cover (24), it is axially arranged gathering sill, this gathering sill coordinates with the gathering sill of fairlead (28), make end face helical teeth ring (21) can directional-sliding, its end face is provided with helical teeth ring, engage with the end face helical teeth of half tensioning sleeve II13, constitute end face helical teeth mechanism；Spring (22) is enclosed between fairlead (28) and end face helical teeth ring (21), electrical control part (23) is arranged on case (34) left position, fixed cover (24) is arranged on central shaft (6) by key II (25) is circumferentially fixed, key II (25) is fixedly mounted on central shaft (6), bearing I V (26) is arranged on the axis hole position on case (34) left side, foot-operated (27) are arranged on the two ends of central shaft (6), the axially arranged fairlead (28) having gathering sill, it is arranged on fixed cover (24), and connect locking by end face gain and screw (29)；Ring set (30) is fixedly mounted on fixed cover (24), and bearing V (31) is arranged on the axis hole position at case (34) middle part, and gear II (32) is fixedly mounted on power transmission shaft (4) upper end；Gear I (33) is fixedly mounted on the output shaft of electric machine assembly (1), case (34) and housing (2) axis hole aligned in position Matching installation, sprocket wheel (35) is fixedly mounted on the outer end of drive sleeve (8), bearing VI (36) is arranged on splicing sleeve (14), lengthen the some that outer ring (37) is mono-directional overrun clutch II (18), it is bearing in the axis hole position on housing (2) left side by bearing I II (16), slipping block (38) is formed with support (41) and is slidably installed, the U groove of slipping block (38) is also formed with the ring limit of end face helical teeth ring (21) and is slidably matched simultaneously；Magnetic steel ingot I (39) is fixed on slipping block (38), power-assisted Hall element (40) is fixed on support (41), the support (41) being provided with gathering sill is fixedly mounted on housing (2), two pieces counting Hall element (42) is fixed on support (41), magnetic steel ingot II (43) is fixed on ring set (30), and is circumferentially disposed along ring set (30).
2. multifunctional power-assisted reductor according to claim 1, its feature is being: gear III (3), power transmission shaft (4), central shaft (6), drive sleeve (8), mono-directional overrun clutch I (15), mono-directional overrun clutch II (18), gear IV (19), gear II (32), gear I (33) and bearing I (5), bearing I I (10), bearing I II (16), bearing I V (26), bearing V (31), bearing VI (36) composition clutch and reduction gearing mechanism.
null3. multifunctional power-assisted reductor according to claim 1，Its feature is being: needle bearing (7)、Half tensioning sleeve I (11)、Tension spring (12)、Half tensioning sleeve II (13)、End face helical teeth ring (21)、Spring (22)、Fixed cover (24)、Key II (25)、Fairlead (28)、Ring set (30)、Slipping block (38)、Magnetic steel ingot I (39)、Power-assisted Hall element (40)、Support (41)、Counting Hall element (42)、Magnetic steel ingot II (43) constitutes torque ratio and relatively detects and turn to and speed detector，Realize the motion conversion of revolution-straight line-form of straight lines，Pedal moment is made to form corresponding displacement to the comparison difference of running resistance square，Thus the comparison detection of pedal moment and running resistance square can be carried out and pedal spindle turns to and the detection of rotating speed simultaneously，Wherein，Needle bearing (7)、Half tensioning sleeve I (11)、Tension spring (12)、Half tensioning sleeve II (13)、End face helical teeth ring (21)、Spring (22)、Fixed cover (24)、Key II (25)、Fairlead (28)、Slipping block (38)、Magnetic steel ingot I (39)、Power-assisted Hall element (40)、Support (41) combination is revolution-straight line-straight line conversion type torque ratio relatively testing agency，Fixed cover (24)、Key II (25)、Ring set (30)、Counting Hall element (42)、Magnetic steel ingot II (43) forms turnmeter numerical expression and turns to Rotating speed measring mechanism.
4. multifunctional power-assisted reductor according to claim 1, its feature is being: half tensioning sleeve I (11), tension spring (12), half tensioning sleeve II (13) composition determine angular circular tension mechanism.
5. multifunctional power-assisted reductor according to claim 1, its feature is being: the end face helical teeth of half tensioning sleeve II (13) engages with the helical teeth ring of end face helical teeth ring (21), constitutes end face helical teeth mechanism.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521020392.4U CN205381356U (en) | 2015-12-10 | 2015-12-10 | Multi -functional helping hand speed reducer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521020392.4U CN205381356U (en) | 2015-12-10 | 2015-12-10 | Multi -functional helping hand speed reducer |
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| CN205381356U true CN205381356U (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521020392.4U Expired - Fee Related CN205381356U (en) | 2015-12-10 | 2015-12-10 | Multi -functional helping hand speed reducer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106864659A (en) * | 2015-12-10 | 2017-06-20 | 桂林广陆数字测控有限公司 | A kind of multifunctional power-assisted reductor |
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- 2015-12-10 CN CN201521020392.4U patent/CN205381356U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106864659A (en) * | 2015-12-10 | 2017-06-20 | 桂林广陆数字测控有限公司 | A kind of multifunctional power-assisted reductor |
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