CN2777288Y - Power transmission device - Google Patents
Power transmission device Download PDFInfo
- Publication number
- CN2777288Y CN2777288Y CNU200420001202XU CN200420001202U CN2777288Y CN 2777288 Y CN2777288 Y CN 2777288Y CN U200420001202X U CNU200420001202X U CN U200420001202XU CN 200420001202 U CN200420001202 U CN 200420001202U CN 2777288 Y CN2777288 Y CN 2777288Y
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- ring gear
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- output shaft
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Abstract
For making undesired corotation reduced to the minimum, a gear supporting piece forms a flat-disk shape and has an outer diameter, the outer diameter is larger than the pitch circle of an annular gear, and in addition, the surface oil level of lubricating oil stored in a housing is lower than the annular gear and is higher than the gear supporting piece; an elastic clamp is elastically assembled on an output shaft and the gear supporting piece and is provided with at least one end supported by the housing, and furthermore, a friction surface is arranged at the bottom of the housing and is used for being in sliding contact with the lower surface of the gear supporting piece.
Description
Technical field
The utility model relates to the planetary actuating unit of employing.
Background technique
Known one type actuating unit, such actuating unit can switch between power transmission mode and non-power transmission mode by a kind of combination of sun gear, planetary pinion and ring gear.
Figure 12 and 13 is the views that are illustrated in disclosed this actuating unit among the Japanese Utility Model patent gazette NO.SHO-60-40931 (being referred to as " patent documentation 1 " later on).As shown in the figure, disclosed actuating unit 200 comprises that a vertical input shaft 201, one are arranged on sun gear 202 on input shaft 201 end portions and 3 and sun gear 202 planet gear meshed 203.Actuating unit 200 also comprises a gear support piece 204, an output shaft 205 and a ring gear 206, said gear supporting member 204 be arranged on planetary pinion 203 below be used for planetary gear bearing 203 thereon, above-mentioned output shaft 205 extends with input shaft 201 downwards from gear support piece 204 to be axially aligned, and above-mentioned ring gear 206 meshes around planetary pinion 203 and with planetary pinion 203.Actuating unit 200 also comprises a shell 207 and a brake unit 208, above-mentioned shell 207 is supporting gear supporting member 204, output shaft 205 and ring gear 206 therein, and above-mentioned brake unit 208 is inserted between shell 207 and the ring gear 206, is used for the instruction brake hoop generating gear 206 according to the operator.When brake unit 208 is in braking state, the speed that the power input reduces by input shaft 201 usefulness one is sent to output shaft 205, and be in non-braking state so that ring gear 206 can dally the time, prevents that the power of importing is sent to output value 205 from input shaft 201 when brake unit 208.
In addition, in disclosed actuating unit 200, lubricant oil 209 is stored in reaches a predetermined oil level in the shell 207, and the surperficial oil level 211 of lubricant oil 209 sets like this, so that the mate of planetary pinion 203 and ring gear 206 is immersed in the oil 209 fully.
Generally, in as patent documentation 1 in the disclosed type power transmission device, even be in non-braking state so that when ring gear 206 can be dallied when brake unit 208,205 slight power transmission can take place also from input shaft 201 to output shaft.It is this that 205 slight power transmission is called " corotation " usually from input shaft 201 to output shaft under non-braking state.Even known corotation is owing to unclamp when making ring gear 206 enter idling conditions when brake unit 208, be given that retaining ring generating gear 206 is fixed and the power that works produces.Yet because corotation does not cause input power to be sent on the output shaft 205 when the power of input is not sent on the output shaft 205, so concerning actuating unit 200, it is a kind of undesirable phenomenon, this undesirable phenomenon should reduce to minimum.
In addition, in transmission device 200 powered by conventional energy, gear support piece 204 may be always with the stable manner rotation, because it is triangular shaped basically and is bearing in the center of shell 207.
Summary of the invention
In view of the problem that above-mentioned prior art exists, the purpose of this utility model provides a kind of actuating unit, and described actuating unit not only can make undesirable corotation reduce to minimum, but also gear support piece is rotated with stable manner.
In order to achieve the above object, the utility model provides a kind of modified model actuating unit, and described modified model actuating unit comprises: a vertical input shaft; A sun gear that is arranged on the input shaft lower part; A plurality of and sun gear planet gear meshed; A flat gear support piece, described flat gear support piece is arranged on below the planetary pinion, is used for rotation or planetary gear bearing on gear support piece; An output shaft, described output shaft becomes to axially align one around planetary ring gear from gear support piece extension downwards with input shaft; A shell, described shell are around ring gear, planetary pinion, gear support piece and sun gear, and ring gear rotates or is installed on the shell, and lubricant oil is stored in and reaches a predetermined oil level in the shell; With a brake unit, described brake unit is inserted in and is used for the brake hoop generating gear between shell and the ring gear.When brake unit is in braking state engagement annular gear, the power input is sent to output shaft by input shaft with a speed that reduces, and separate with ring gear or allow ring gear when idle running when ring gear is in non-braking state, anti-stopping power input is sent to output shaft by input shaft.In the utility model, flat gear support piece has an external diameter greater than the ring gear pitch circle, has therefore increased the viscous resistance that is produced by lubricant oil.As a result, the utility model can reduce undesirable corotation degree effectively.
In addition, be set to and be lower than ring gear but be higher than under this arrangement situation of gear support piece being stored in lubricant oil surface oil level in the shell, the utility model can reduce or optimize the resistance to ring gear by the lubricant oil generation suitably.As a result, ring gear can more easily be dallied, therefore can even more effectively reduce the degree of corotation.
In an embodiment of the present utility model, gear support piece has at least one hole, and described at least one hole forms the tooth that is used for lubricant oil is spread to planetary pinion and/or ring gear.Therefore, have only when gear support piece rotates, the surperficial oil level of lubricant oil could rise in the shell, and oil just can pass on the tooth that the hole spreads to planetary pinion and/or ring gear.As a result, can reduce lubricants capacity essential in the shell, and the amount that reduces like this can prevent that unnecessary lubricant oil is ejected on brake unit and the analog.
On an embodiment, the utility model also comprises an elastic clip, described elastic clip elasticity is assemblied on one of them of output shaft and gear support piece, and elastic clip has at least one end and is supported in this way by shell, during with convenient gear support piece and output shaft rotation, elastic clip is slided along gear support piece, and perhaps output shaft so slides, so that can increase surface friction drag to gear support piece and output shaft by elastic clip.Elastic clip has at least one end and can be simplified the structure of shell and thereby reduce the expense of actuating unit by this arrangement of outer casing supporting.
In one embodiment, shell has a friction surface on its bottom, and described friction surface is used for the lower surface sliding contact with gear support piece, so that give gear support piece with the surface friction drag that increases.As a result, can make surface friction drag to gear support piece, therefore can even more effectively reduce corotation greater than surface friction drag to ring gear.In addition, maintenance works to stablize the gear support piece rotation with the friction surface of the lower surface sliding contact of gear support piece.Therefore, sun gear, planetary pinion and ring gear can be engaged with each other with a kind of stable manner, therefore they are engaged with each other with stable manner can not only reach the power transmission efficiency that improves in the gear, and can also make the undesirable sound that is produced by actuating unit reduce to minimum.
In one embodiment, gear support piece has a kind of disc shape, described disc shape even the rotation that can further stablize gear support piece.
Describe some preferred embodiment of the present utility model in detail as just example below with reference to accompanying drawings.
Description of drawings
Fig. 1 is a kind of hand agricultural tillage machine perspective view that is equipped with according to the described actuating unit of the utility model first embodiment;
Fig. 2 is the agricultural tillage machine side view that is equipped with the utility model actuating unit;
Fig. 3 is the agricultural tillage machine top plan view that is equipped with the utility model actuating unit;
Fig. 4 is a kind of side view of engine, and described engine is connected to actuating unit of the present utility model and centers on other parts of engine setting;
Fig. 5 is an actuating unit sectional side view of the present utility model;
Fig. 6 is the view of brake unit in explanation the utility model actuating unit;
Fig. 7 is an actuating unit top plan view of the present utility model;
Fig. 8 A and 8B are the views of explanation the utility model actuating unit action;
Fig. 9 A and 9B are the views that further specifies the action of the utility model actuating unit;
Figure 10 A and 10B are the views that further specifies the action of the utility model actuating unit;
Figure 11 A-11B is the view that illustrates according to the described actuating unit 110 of the utility model second embodiment;
Figure 12 is the side view of transmission device powered by conventional energy; And
Figure 13 is the planimetric map of transmission device powered by conventional energy.
Embodiment
Referring to Fig. 1, Fig. 1 illustrates a kind of hand agricultural tillage machine with perspective view at the beginning, and described hand agricultural tillage machine is equipped one according to the described actuating unit of the utility model first embodiment.Agricultural tillage machine 10 comprises the left side and right side travelling wheel 13 and 14 (left side travelling wheel 13 only is shown among the figure), the left side and right side cultivator device 15 and 16, reaches an engine 11, the above-mentioned left side and right side cultivator device 15 and 16 are arranged on the front of the left side and right side travelling wheel 13 and 14, and above-mentioned engine 11 is used for driving travelling wheels 13 and 14 and cultivator device 15 and 16 by a power transmission unit 12.Supplementary tillage device (that is cultivating apparatus of power traction) is connected on the aft section of power transmission unit 12 as the device on ridger or formation ridge.Under these arrangement situations, agricultural tillage machine 10 for example utilizes ridger to form the ridge and utilizes cultivator device 15 and 16 farming soils.
Fig. 2 is agricultural tillage machine 10 side views that are equipped with the utility model actuating unit, Fig. 2 especially illustrates engine 11, power transmission unit 12, cultivator device 15 and 16, and travelling wheel 13 and 14, above-mentioned engine 11 is arranged in the upper part of fuselage, above-mentioned clutches of power transmission unit 12 usefulness (that is brake unit of actuating unit of the present utility model) are arranged on the below of engine 11, above-mentioned clutch is inserted between power transmission unit 12 and the engine 11, above-mentioned cultivator device 15 and 16 is pivotally connected on the previous section of power transmission unit 12 by the left side and right side intertillage axle 15a and 16a (left side intertillage axle 15a only is shown among the figure), and above-mentioned travelling wheel 13 and 14 axle 13a and 14a (left side axle 13a only is shown among the figure) by the left side and the right side are pivotally mounted on the aft section of power transmission unit 12.Agricultural tillage machine 10 also comprises an operating grip 18 and a bindiny mechanism 21, and aforesaid operations handle 18 extends towards the back upper place sideling from the rear end part of power transmission unit 12, and above-mentioned bindiny mechanism 21 is fixed on the rear end of gear unit 12.Label 17 is represented a clutch box (that is shell of the utility model actuating unit).
Agricultural tillage machine 10 also comprises an auxiliary travelling wheel 31, baffle plate 32, bonnet 33, an air cleaner 34 and a filler cap 35, above-mentioned auxiliary travelling wheel 31 is fixed on the fore-end of power transmission unit 12 by this way, so that take turns 31 in position vertically adjustable, above-mentioned baffle plate 32 covers the upper part of power transmission unit 12 and cultivator device 15 and 16, above-mentioned bonnet 33 covers the upper part of engine 11, but and above-mentioned filler cap 35 is used for opening type closes fuel tank.Agricultural tillage machine 10 also comprises a transmission gear shift bar 36, differential type locking (differential locking) lever 37, clutch lever 38, a shift level 41 and a subsidence position adjustment (adjusting) lever 42, above-mentioned shift level 41 can handle be used for the power traction cultivating apparatus (such as, ridger 22) rise to an idle position, and above-mentioned subsidence position adjustment (adjusting) lever 42 can be handled and is used for regulating the power traction cultivating apparatus in position (that is subsidence position of power traction cultivating apparatus) that soil sinks.
Fig. 3 is agricultural tillage machine 10 top plan views that are equipped with the utility model actuating unit.As shown in Figure 3, agricultural tillage machine 10 also comprises a kick-starter button 51 and a throttling lever 52, above-mentioned kick-starter button 51 is used for open up the engine 11, and above-mentioned throttling lever 52 is used to regulate the output of engine 11, and these buttons 51 and lever 52 and above-mentioned differential locking lever 37 all are arranged on the right front face portion of operating grip 18.Agricultural tillage machine 10 also comprises an engine switch 53 and a clutch lever 38, above-mentioned engine switch 53 is arranged on the left back face portion of handle 18, be used to make engine 11 to quit work, and above-mentioned clutch lever 38 horizontal-extending between the relative back region of operating grip 18.As further shown in FIG., transmission gear shift bar 36 from the central region of power transmission unit 12 rear ends backward (that is towards operator) extend (Fig. 1), and shift level 41 extends back from the left back face portion of bindiny mechanism 21.
Fig. 4 is the side view of engine 11, and described engine 11 is connected on actuating unit 60 of the present utility model and engine 11 other parts on every side.
In the drawings, bearing 54 rotatably support bent axles 48.Label 55 is represented a spark plug, and label 56 is represented an air inlet (exhaust) valve, and label 57 is represented an end cap, and label 58 is represented a fuel tank, and label 59 is represented a kick-starter.
Fig. 5 is the sectional side view of actuating unit 60 of the present utility model.
As shown in Figure 5, actuating unit 60 comprises input shaft 61 (that is another end of bent axle 48), 62, at least 3 planetary pinions 63 of a sun gear and a square position generating gear supporting member 64, above-mentioned input shaft 61 is provided with along a vertical line C, above-mentioned sun gear 62 forms on the end portion of input shaft 61, above-mentioned at least 3 planetary pinions 63 and sun gear 62 engagements, and above-mentioned square position generating gear supporting member 64 be arranged on each planetary pinion 63 below, be used for thereon each planetary pinion 63 rotatably supports.Actuating unit 60 also comprises output shaft 65 and a ring gear 66, above-mentioned output shaft 65 is rotatably supported in the shell 17, be connected with gear support piece 64, and extend downwards from gear support piece 64 and to axially align for 61 one-tenth with input shaft, and above-mentioned ring gear 66 meshes around planetary pinion 63 and with planetary pinion 63, and is installed in rotation on the shell 17.Actuating unit 60 also comprises braking (clutch) unit 68, shell 17 and lubricant oil 69, above-mentioned brake unit 68 is used for preventing or implementing by for example operator's instruction the rotation of ring gear 66, above-mentioned shell 17 covers sun gear 62, planetary pinion 63, gear support piece 64 and ring gear 66, and above-mentioned lubricant oil 69 is stored in and reaches a predetermined oil level in the shell 17.
In a kind of combination that comprises sun gear 62, planetary pinion 63 and ring gear 66, and in the actuating unit 60 of the brake unit 68 that can between power transmission mode and non-power transmission mode, change, even be in non-braking state so that when allowing ring gear 66 idle running at brake unit 68, also can produce slight corotation, above-mentioned transmission device situation powered by conventional energy just like this.Preferably make this corotation reduce to minimum.
Under situation about the external diameter of square position generating gear supporting member 64 being set to greater than the pitch circle 66b of ring gear 66 as mentioned above, current embodiment of the present utility model can increase the viscous resistance that is produced by lubricant oil 69, and has reduced the degree of corotation effectively.
In addition, be set to and be lower than ring gear 66 or planetary pinion 63 being stored in lubricant oil 69 surperficial oil levels 81 in the shell 17, but be higher than under this arrangement situation of gear support piece 64, current embodiment can suitably reduce or optimize the resistance to ring gear 66 that is produced by lubricant oil 69.As a result, embodiment makes ring gear 66 therefore can reduce the degree of corotation effectively in more easily idle running.
Fig. 6 is the view of brake unit 68 in the explanation actuating unit 60.
Braking (clutch) unit 68 comprises an anchor pin 91, a pair of brake shoe 92 and a brake drum 79, above-mentioned anchor pin 91 is arranged on the shell 17, above-mentioned a pair of brake shoe 92 is by anchor pin 91 supporting, and above-mentioned brake drum 79 is arranged on and is used on the ring gear 66 docking with brake shoe 92.Brake unit 68 also comprises return spring 98, actuating cam 93, a cam lever 94 and a wire rope 96, above-mentioned return spring 98 promotes brake shoe 92 toward each other usually, above-mentioned actuating cam 93 is used to push down brake shoe 92 and is separated from each other the biasing that prevents return spring 98, above-mentioned cam lever 94 is connected on the actuating cam 93, and above-mentioned wire rope is connected on the cam lever 94 by a damping spring 95 at one end and is connected on the clutch lever 38 at its other end place.Each brake shoe 92 all has a brake pad 92a, is used for docking with ring gear 66.
When input power when input shaft 62 is sent to output shaft 65 by gear support piece 64, clutch lever 38 is pulled to operating grip 18 shown in arrow " a ", so that cam lever 94 is turned to cause actuating cam 93 pressing brake shoe 92 to be separated from each other shown in arrow " b ".Therefore, brake shoe 92 is close to brake drum 79 (ring gear 66) so that ring gear 66 is placed into a kind of jointing state, and therefore importing power can be transported on the output shaft 65 by the rotation of gear support piece 64.On the other hand, when preventing to import power when input shaft 62 is sent to output shaft 65 by gear support piece 64, clutch shaft 38 loosens so that brake shoe 92 separates with brake drum 79 (ring gear 66), and thereby make ring gear 66 idle running, therefore preventing to import power is transported to gear support piece 64.
Fig. 7 is the top plan view of actuating unit 60.The thickness that gear support piece 64 is passed in a plurality of holes 89 like this forms, so that lubricant oil 69 stirrings during supporting member 64 rotations in the shell 17 and passing on tooth 63a, the 66a that each hole 89 spreads to planetary pinion 63 and/or ring gear 66.
Therefore, have only when gear support piece 64 rotation, the surperficial oil level 81 of lubricant oil 69 (see figure 5)s can rise, and oil 69 can pass each hole 69 and scatter (or supply) tooth 63a to row amount gear 63 and/or ring gear 66, on the 66a.As a result, can reduce the amount of essential lubricant oil 69, and this reduction can prevent effectively that unnecessary lubricant oil 63 is sprayed on brake unit 68 and the analog.
Below each section explanation when brake unit is in braking state, also in other words when not running into the corotation problem, the basic operation of sun gear 62 (that is input shaft 61), planetary pinion 63, ring gear 66 and gear support piece 64 (that is output shaft 65).
Fig. 8 A and 8B are the views of explanation actuating unit 60 actions of the present utility model.
As shown in Fig. 8 A, brake shoe 92 is pasting ring gear 66, as direction outwardly by shown in the arrow, so ring gear 66 locking or be in jointing state.Then, when sun gear 62 rotates shown in 1. as arrow, planetary pinion 63 as arrow 2. shown in rotation.Because ring gear 66 is in aforesaid jointing state at present, so when planetary pinion 63 rotates shown in 2. as arrow, gear support piece 64 as arrow 3. shown in rotation, therefore import power and can be sent to (see figure 5) on the output shaft 65 that is fixed on the gear support piece 64.
In Fig. 8 B, brake shoe 92 contracts in ring gear 66, and shown in inside white arrow, so ring gear 66 unclamps or is placed into and is in separately or the state of idle running.Then, when sun gear 62 rotates shown in 4. as arrow, planetary pinion 63 as arrow 5. shown in rotation.Therefore because ring gear 66 is in idling conditions at present and can rotates freely, thus when planetary pinion 63 rotates shown in 5. as arrow, ring gear 66 can as arrow 6. shown in rotation, so import power and be not sent on the output shaft 65.
Fig. 9 A and 9B are the views that further specifies actuating unit 60 actions.Specifically, Fig. 9 A illustrates above a kind of being similar to about Figure 12 and 13 described transmission devices 130 powered by conventional energy, and Fig. 9 B illustrates actuating unit 60 of the present utility model.
Transmission device 130 powered by conventional energy belongs to the type that comprises an a kind of combination and a brake unit 138, above-mentioned a kind of combination comprises and is installed in rotation on sun gear 132, planetary pinion 133 and a ring gear 136 on the gear support piece 134, and above-mentioned brake unit 138 can be changed between a power transmission mode and a non-power transmission mode.In this device 130, though when brake unit 138 be in non-braking state with cause ring gear 136 and can dally and thereby prevent to import power when input shaft 131 is sent to output shaft 135, undesirable slight corotation also can take place.
In addition, maintenance plays stable gear support piece 64 rotations with the friction surface 72 of the lower surface sliding contact of gear support piece 64.Therefore, sun gear 62, planetary pinion 63 and ring gear 66 can be meshing with each other with a kind of stable manner, above-mentionedly not only reach the power transmission efficiency that improves among the gear 62,63 and 66, but also make the undesired sound that is produced by actuating unit 60 reduce to minimum with stable manner engagement.
Figure 10 A and 10B are the views that further specifies the utility model actuating unit 60.As shown in the figure, pulley 87 is installed on output shaft 65 or the gear support piece 64 and U type elastic clip 88 elasticity are assemblied among the circumferential groove 87a of pulley 87.Have in elastic clip 88 under its situation of end 88a, can prevent output shaft 65 corotation under non-braking state, can dally at above-mentioned non-braking state place ring gear 66 by shell 17 supportings.
See that as best in Figure 10 C pulley 87 preferably is installed on the central axle sleeve 83 of gear support piece 64, elasticity is assemblied in locking rib 74 supportings of the end 88a of the elastic clip 88 among the pulley 87 circumferential groove 87a by shell 17.When gear support piece 64 and output shaft 65 rotations, elastic clip 88 is slided along pulley 87, therefore gives gear support piece 64 and output shaft 65 with the surface friction drag that increases.As a result, can make the surface friction drag of the surface friction drag of gear support piece 64 comparison ring gear 66 greatlyyer, can reduce corotation effectively like this.In addition, under relative one of them this arrangement situation of locking ribs 74 supportings of two ends 88a of elastic clip 88, can simplify the structure of shell 17, and thereby reduce the expense of actuating unit 60 by shell 17.
That is to say that actuating unit 60 of the present utility model can be avoided undesirable corotation, and needn't make the structure complicated of shell 17.
Figure 11 A-11B is the view that illustrates according to the described actuating unit 110 of the utility model second embodiment, herein with first embodiment in used components identical represent with identical label, and will not explain to avoid unnecessary repetition herein.
Second embodiment of actuating unit 110 also comprises a shell 17, input shaft 61, sun gear 62, planetary pinion 63, gear support piece 64, output shaft 65, ring gear 66, brake unit 72, lubricant oil 69, steel bearing ball 71, friction surface 72, locking rib 74, pulley 87 and elastic clip 118.Elastic clip 118 has smaller height or low profile on the direction of vertical shaft C, and to have be semicircular in shape basically, and above-mentioned elastic clip 118 elasticity are assemblied among the outer periphery groove 87a of pulley 87.One of them of elastic clip 118 opposite end 118a engaged by the locking rib 74 of shell 17.
Figure 11 B is the planimetric map with the elastic clip 118 that is semicircular in shape basically.Because the profile that elastic clip 118 is low, shell 17 in this embodiment has a degree of depth that reduces, so the overall dimensions of actuating unit 110 can reduce greatly.
It is that integrated type forms (see figure 5) on the upper end part of input shaft 61 that sun gear 62 has been described as; Alternatively, sun gear 62 can be got the sun gear of opening in a minute and be installed in form on the output shaft 65.
In addition, be assemblied in (see figure 5) on the pulley 87 that is installed on the gear support piece 64 although elastic clip 88 or 118 has been described as elasticity, elastic clip 88 or 118 can directly be assemblied on gear support piece 64 or the output shaft 65.In addition, pulley 87 in the above-described embodiments is mounted in (see figure 5) on the gear support piece 64; Alternatively, pulley 87 can integrated type form on gear support piece 64 or output shaft 65.
In addition, to have one be U-shaped or semicircular in shape (seeing Figure 10 or 11) basically although elastic clip has been described as, but spring clip 88 or 118 can be any other shape, as long as its can elasticity be assemblied on pulley 87, gear support piece 64 or the output shaft 65.
In a word, can not only make undesired corotation reduce to minimum with the utility model of aforesaid way arrangement, and can also be with a kind of stable manner swing pinion supporting member.
Claims (5)
1. actuating unit comprises:
A vertical input shaft (61);
A sun gear (62), described sun gear (62) is arranged on the bottom of above-mentioned input shaft;
A plurality of planetary pinions (63), described a plurality of planetary pinions (63) and above-mentioned sun gear engagement;
A flat gear support piece (64), described flat gear support piece (64) is arranged under the above-mentioned planetary pinion, is used for above-mentioned each planetary pinion of rotatably support thereon;
An output shaft (65), described output shaft (65) becomes with above-mentioned input shaft downwards to extend from the said gear supporting member with axially aligning;
A ring gear (66), described ring gear (66) is around above-mentioned planetary pinion;
A shell (17), described shell (17) is around above-mentioned ring gear, planetary pinion, gear support piece and sun gear, and above-mentioned ring gear is installed in rotation on the above-mentioned shell, and lubricant oil (69) is stored to a predetermined oil level in above-mentioned shell; And
A brake unit (68), described brake unit (68) is used to brake above-mentioned ring gear between above-mentioned shell and above-mentioned ring gear, wherein, when above-mentioned brake unit is in a braking state, the power input is sent to above-mentioned output shaft by above-mentioned input shaft with a speed that reduces, and being in non-braking state when allowing the idle running of above-mentioned ring gear when above-mentioned ring gear, anti-stopping power input is sent to above-mentioned output shaft by above-mentioned input shaft
It is characterized in that, above-mentioned flat gear support piece (64) has the outer diameter of a pitch circle greater than above-mentioned ring gear (66a), and is stored in that lubricant oil in the above-mentioned shell has that a setting is lower than above-mentioned ring gear but the surperficial oil level (81) that is higher than the said gear supporting member.
2. actuating unit as claimed in claim 1 is characterized in that, the said gear supporting member has hole (89), and described hole (89) are used for lubricant oil is spread to the tooth (63a, 66a) of above-mentioned planetary pinion and/or above-mentioned ring gear.
3. actuating unit as claimed in claim 1 also comprises elastic clip (88; 118), above-mentioned elastic clip (88; 118) elasticity is assemblied in it is characterized in that of above-mentioned output shaft and said gear supporting member, one of on, and above-mentioned elastic clip has at least one end (88a by above-mentioned outer casing supporting; 118a), when being in non-braking state with the above-mentioned brake unit of box lunch, can be by the surface friction drag of above-mentioned elastic clip increase to above-mentioned output shaft.
4. actuating unit as claimed in claim 3 is characterized in that, above-mentioned shell has a rubbing surface (72) on its bottom, and described rubbing surface (72) is used for the lower surface sliding contact with the said gear supporting member.
5. actuating unit as claimed in claim 1 is characterized in that the said gear supporting member has a kind of disc-shape.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003009828 | 2003-01-17 | ||
| JP2003009817 | 2003-01-17 | ||
| JP2003009817A JP4121386B2 (en) | 2003-01-17 | 2003-01-17 | Planetary gear type power unit |
| JP2003009856 | 2003-01-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2777288Y true CN2777288Y (en) | 2006-05-03 |
Family
ID=32899192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200420001202XU Expired - Lifetime CN2777288Y (en) | 2003-01-17 | 2004-01-17 | Power transmission device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4121386B2 (en) |
| CN (1) | CN2777288Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100385147C (en) * | 2003-01-17 | 2008-04-30 | 本田技研工业株式会社 | Power transmitting apparatus |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855441A (en) * | 2021-01-11 | 2021-05-28 | 大唐向阳风电有限公司 | Fan driftage system with maintain mechanism |
-
2003
- 2003-01-17 JP JP2003009817A patent/JP4121386B2/en not_active Expired - Fee Related
-
2004
- 2004-01-17 CN CNU200420001202XU patent/CN2777288Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100385147C (en) * | 2003-01-17 | 2008-04-30 | 本田技研工业株式会社 | Power transmitting apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4121386B2 (en) | 2008-07-23 |
| JP2004218806A (en) | 2004-08-05 |
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