CN202707954U - Variable speed gear - Google Patents
Variable speed gear Download PDFInfo
- Publication number
- CN202707954U CN202707954U CN 201220305887 CN201220305887U CN202707954U CN 202707954 U CN202707954 U CN 202707954U CN 201220305887 CN201220305887 CN 201220305887 CN 201220305887 U CN201220305887 U CN 201220305887U CN 202707954 U CN202707954 U CN 202707954U
- Authority
- CN
- China
- Prior art keywords
- gear
- external splines
- planet carrier
- central shaft
- central
- Prior art date
- 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
Links
Images
Abstract
The utility model discloses a variable speed gear, which comprises a driving wheel and a central shaft, wherein a planetary gear mechanism is sleeved on the central shaft, the central shaft can axially move, and the driving wheel is in driving connection with a central gear, or a planet carrier or a gear ring and the central shaft in sequence. According to the variable speed gear, the transmission rate between the driving gear and the central shaft is effectively adjusted by adopting central wheels or planet carriers or gear rings of different transfer assemblies to transfer motive power between the driving gear and the central shaft, and therefore variable-speed adjustable in multiple gears is achieved; and in addition, the variable speed gear disclosed by utility model is fewer in parts and components, simple in structure, more convenient to mount and effectively reduced in using cost.
Description
Technical field
The utility model relates to arrangements for speed regulation, is specifically related to a kind of speed change gear.
Background technique
Traditional mechanical transmission adopts gear train, and the number of teeth of the gear train of every gear is fixed, so the gear ratio of each gear is a definite value (namely so-called " level ").Belong to step change transmission.When adopting a speed changer to realize speed governing, because the number of teeth of every gear is fixed, if want to realize multi-gear transmission, then need adjust increases the gear train number, and structure is complicated, inconvenience is installed, and user cost is higher.
At present, also have a kind of speed changer to adopt planetary gears to carry out speed change on the market, but because this mode of speed regulation structure is complicated, the transmission of its power also needs to transmit through wheel for inputting and output wheel respectively, component are more, and cost is higher, and, it at most only can realize the switching of three gears or four gears, and slewing range is less.
Therefore, a kind ofly can realize a plurality of gear speed changes, simple in structure, easy for installation, the speed change gear that user cost is lower is demanded urgently occurring.
The model utility content
Adopt the gear train speed change for solving traditional mechanical transmission, complex structure, inconvenience is installed, user cost is higher, and the problems such as the speed change gear that present speed changer is realized is less, the utility model discloses a kind of speed change gear, realize a plurality of gear speed changes to reach, simple in structure, easy for installation, the purpose of reduction user cost.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of speed change gear, comprise driving wheel, central shaft, be arranged with planetary gears on the described central shaft, described planetary gears comprises central gear, planet carrier and the gear ring that is sheathed on successively on the described central shaft, be provided with planet wheel on the described planet carrier, described central shaft can move axially, and described driving wheel and described central gear or planet carrier or gear ring and described central shaft are in transmission connection successively.
Preferably, be provided with the axle external splines on the described central shaft, be respectively arranged with the central gear internal spline, planet carrier internal spline and the gear ring internal spline that are complementary with described axle external splines on described central gear, planet carrier and the gear ring.
Preferably, be provided with the driving wheel internal spline on the described driving wheel, be respectively arranged with the central gear external splines, planet carrier external splines and the gear ring external splines that are complementary with described driving wheel internal spline on described central gear, planet carrier and the gear ring.
Preferably, described central shaft comprises circumferentially fixing stationary axle, and the output shaft that can circumferentially rotate outputting power, described stationary axle and described output shaft conllinear, and described axle external splines is arranged on the described output shaft.
Preferably, this speed change gear also comprises circumferentially fixing positioning ring, and described positioning ring can move axially.
Preferably, described positioning ring inboard is provided with the internal spline that is complementary with central gear external splines, planet carrier external splines and gear ring external splines.
Preferably, be provided be used to the link of locating described central gear on the described stationary axle.
Preferably, described link is to be arranged at the location spline that is complementary with described central gear internal spline on the described stationary axle.
The disclosed speed change gear of the utility model, comprise driving wheel, central shaft, be arranged with planetary gears on the described central shaft, described central shaft can move axially, and described driving wheel and described central gear or planet carrier or gear ring and described central shaft are in transmission connection successively.By adopting different transmitting assembly central gear or planet carrier or gear ring transferring power between driving wheel and central shaft, effectively regulate the velocity ratio between driving wheel and central shaft, realize the speed change adjusting of a plurality of gears, and these device component are less, simple in structure, install more conveniently, effectively reduce user cost.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art.Apparently, the accompanying drawing in the following describes only is embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the disclosed a kind of speed change gear embodiment 1 of the utility model when reversing gear;
Fig. 2 is the structural representation of the disclosed a kind of speed change gear embodiment 2 of the utility model when reversing gear;
Fig. 3 is the structural representation of the disclosed a kind of speed change gear embodiment 3 of the utility model when reversing gear.
The title of the numeral among the figure or the corresponding part of alphabetical representative:
1, driving wheel 2, central shaft 3, central gear 4, planet carrier 5, gear ring 6, positioning ring 7, left positioning ring; 21, stationary axle 22, output shaft 23, axle external splines 24, location spline; 31, central gear internal spline 32, central gear external splines 41, planet carrier internal spline 42, planet carrier external splines 51, gear ring internal spline 52, gear ring external splines 61, internal spline.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technological scheme among the utility model embodiment is clearly and completely described.Obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model discloses a kind of speed change gear, realize a plurality of gear speed changes to reach, simple in structure, easy for installation, the purpose of reduction user cost.
As shown in Figure 1, a kind of speed change gear, comprise driving wheel 1, central shaft 2, be arranged with planetary gears on the central shaft 2, planetary gears comprises central gear 3, the planet carrier 4 and gear ring 5 that is sheathed on successively on the central shaft 2, be provided with the planet wheel (not shown) on the planet carrier 4, central shaft 2 can move axially, and driving wheel 1 and central gear 3 or planet carrier 4 or gear ring 5 and central shaft 2 are in transmission connection successively.By adopting different transmitting assembly central gear or planet carrier or gear ring transferring power between driving wheel and central shaft, effectively regulate the velocity ratio between driving wheel and central shaft, realize the speed change adjusting of a plurality of gears, and these device component are less, simple in structure, install more conveniently, effectively reduce user cost.
Be provided with axle external splines 23 on the central shaft 2, be respectively arranged with the central gear internal spline 31, the planet carrier internal spline 41 and gear ring internal spline 51 that are complementary with axle external splines 23 on central gear 3, planet carrier 4 and the gear ring 5.Be provided with driving wheel internal spline (not shown) on the driving wheel 1, be respectively arranged with the central gear external splines 32, the planet carrier external splines 42 and gear ring external splines 52 that are complementary with the driving wheel internal spline on central gear 3, planet carrier 4 and the gear ring 5.By one in driving wheel and central gear or planet carrier or the gear ring is in transmission connection, power is transmitted, the speed-change process by planetary gears is afterwards exported transmission of power by central gear or planet carrier or being in transmission connection of gear ring and central shaft at last to central shaft
This speed change gear also comprises circumferentially fixing positioning ring 6, and positioning ring 6 can move axially.Positioning ring 6 inboards are provided with the internal spline 61 that is complementary with central gear external splines 32, planet carrier external splines 42 and gear ring external splines 52.In the axially movable process of positioning ring, by the clamping that matches of internal spline 61 and central gear external splines 32 or planet carrier external splines 42 or gear ring external splines 52, realize that different phase is to the location of different component.
Except adopting the positioning ring location, also can be directly at the arranged outside shift fork of central gear, planet carrier or gear ring, the key between cog by shift fork being stretched into central gear external splines, planet carrier external splines, gear ring external splines is to stop its running, specifically mode does not limit.
The working principle of the present embodiment is as follows:
Reverse gear: internal spline 61 and 42 engagements of planet carrier external splines, planet carrier is circumferentially fixing, the driving wheel internal spline is meshed with central gear external splines 32, gear ring internal spline 51 is meshed with axle external splines 23, driving wheel 1 by central gear-planet wheel-gear ring-central shaft, is exported through central shaft power with transmission of power.
One gear: positioning ring 6 moves right on the basis of reversing gear, internal spline 61 breaks away from planet carrier external splines 42 and meshes with gear ring external splines 52, gear ring is circumferentially fixing, driving wheel internal spline and central gear external splines 32 continue engagement, be moved to the left central shaft 2, gear ring internal spline 51 separates with axle external splines 23, and axle external splines 23 is meshed with planet carrier internal spline 41, driving wheel 1 by central gear-planet wheel-planet carrier-central shaft, is exported through central shaft power with transmission of power.
Two gears: driving wheel 1 moves right on the basis of a gear, the driving wheel internal spline separates with central gear external splines 32 and 42 engagements of planet carrier external splines, axle external splines 23 continues engagement with planet carrier internal spline 41, driving wheel 1 is directly passed to central shaft with power by planet carrier, through central shaft transmission of power is exported.
Three gears: the basis at two gears is moved to the left central shaft, axle external splines 23 separates with planet carrier internal spline 41 and 31 engagements of central gear internal spline, driving wheel internal spline and planet carrier external splines 42 continue engagement, driving wheel 1 by planet carrier-planet wheel-central gear-central shaft, is exported through central shaft power with transmission of power.
The present embodiment has been realized the speed change of four gears.
As shown in Figure 2, all the other are identical with embodiment 1, and difference is, central shaft 2 comprises circumferentially fixing stationary axle 21, and the output shaft 22 that can circumferentially rotate outputting power, stationary axle 21 and output shaft 22 conllinear, and axle external splines 23 is arranged on the output shaft 22.Be provided with the link for centre of location wheel 3 on the stationary axle 21, this link is to be arranged at the location spline 24 that is complementary with central gear internal spline 31 on the stationary axle 21.Stationary axle can move axially, and by locating spline 24 clamping that matches with central gear internal spline 31, realizes the location to central gear.
The working principle of the present embodiment is as follows:
Reverse gear: internal spline 61 and 42 engagements of planet carrier external splines, planet carrier is circumferentially fixing, the driving wheel internal spline is meshed with central gear external splines 32, gear ring internal spline 51 is meshed with axle external splines 23, driving wheel 1 by central gear-planet wheel-gear ring-output shaft, is exported through output shaft power with transmission of power.
One gear: positioning ring 6 moves right on the basis of reversing gear, internal spline 61 breaks away from planet carrier external splines 42 and meshes with gear ring external splines 52, gear ring is circumferentially fixing, driving wheel internal spline and central gear external splines 32 continue engagement, be moved to the left output shaft 22, gear ring internal spline 51 separates with axle external splines 23, and axle external splines 23 is meshed with planet carrier internal spline 41, driving wheel 1 by central gear-planet wheel-planet carrier-output shaft, is exported through output shaft power with transmission of power.
Two gears: driving wheel 1 and positioning ring 6 continue to move right on the basis of a gear, the driving wheel internal spline separates with gear ring external splines 52 with central gear external splines 32 and is meshed, positioning ring 6 unsettled settings, axle external splines 23 continues engagement with planet carrier internal spline 41, the stationary axle 21 that moves right simultaneously, location spline 24 is meshed with central gear internal spline 31, and central gear is fixed, driving wheel 1 by gear ring-planet wheel-planet carrier-output shaft, is exported through output shaft power with transmission of power.
Three gears: the basis at two gears is moved to the left driving wheel 1, the driving wheel internal spline separates with gear ring external splines 52 and 42 engagements of planet carrier external splines, axle external splines 23 continues engagement with planet carrier internal spline 41, stationary axle 21 moves to left, location spline 24 separates with central gear internal spline 31, and positioning ring 6 moves to left and 52 engagements of gear ring external splines, and gear ring is fixed, driving wheel 1 is directly passed to output shaft with power by planet carrier, through output shaft transmission of power is exported.
Four gears: on the basis of three gears, positioning ring 6 moves right, positioning ring 6 unsettled settings, driving wheel internal spline and planet carrier external splines 42 continue engagement, the output shaft that moves right simultaneously, axle external splines 23 separate with planet carrier internal spline 41 and with 51 engagements of gear ring internal spline, stationary axle 21 simultaneously moves right, location spline 24 is meshed with central gear internal spline 31, and central gear is fixed; Driving wheel 1 by planet carrier-planet wheel-gear ring-output shaft, is exported through output shaft power with transmission of power.
Five gears: the basis at four gears is moved to the left output shaft, axle external splines 23 separates with gear ring internal spline 51 and 31 engagements of central gear internal spline, driving wheel internal spline and planet carrier external splines 42 continue engagement, be moved to the left simultaneously stationary axle 21, location spline 24 separates with central gear internal spline 31, positioning ring 6 moves to left and 52 engagements of gear ring external splines, and driving wheel 1 by planet carrier-planet wheel-central gear-output shaft, is exported through output shaft power with transmission of power.
By adopting this speed change gear, can realize the switching of 6 gears, and the oppositely output that can realize reversing gear, slewing range is wider, and structure is simpler, and amount of parts is less, and is easy to assembly, and user cost is lower.
As shown in Figure 3, be the structural representation under the state of reversing gear, all the other are identical with embodiment 1, difference is, central shaft is a bearing, and left positioning ring 7 is set in addition, left positioning ring 7 unsettled settings when reversing gear, inoperative, in speed-change process, realize the location to central gear, substitute original stationary axle location.
The present embodiment is simpler than embodiment's 1 structure, and central shaft is bearing, and is more stable during transmission, better performances.
The disclosed speed change gear of the utility model, comprise driving wheel, central shaft, be arranged with planetary gears on the described central shaft, described central shaft can move axially, and described driving wheel and described central gear or planet carrier or gear ring and described central shaft are in transmission connection successively.By adopting different transmitting assembly central gear or planet carrier or gear ring transferring power between driving wheel and central shaft, effectively regulate the velocity ratio between driving wheel and central shaft, realize the speed change adjusting of a plurality of gears, and these device component are less, simple in structure, install more conveniently, effectively reduce user cost.
More than be the description to the utility model embodiment, by the above-mentioned explanation to the disclosed embodiments, make related domain professional and technical personnel can realize or use the utility model.Multiple modification to these embodiments will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, in other embodiments realization.Therefore, the utility model will can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. speed change gear, comprise driving wheel, central shaft, be arranged with planetary gears on the described central shaft, described planetary gears comprises central gear, planet carrier and the gear ring that is sheathed on successively on the described central shaft, be provided with planet wheel on the described planet carrier, it is characterized in that, described central shaft can move axially, and described driving wheel and described central gear or planet carrier or gear ring and described central shaft are in transmission connection successively.
2. speed change gear according to claim 1, it is characterized in that, be provided with the axle external splines on the described central shaft, be respectively arranged with the central gear internal spline, planet carrier internal spline and the gear ring internal spline that are complementary with described axle external splines on described central gear, planet carrier and the gear ring.
3. speed change gear according to claim 2, it is characterized in that, be provided with the driving wheel internal spline on the described driving wheel, be respectively arranged with the central gear external splines, planet carrier external splines and the gear ring external splines that are complementary with described driving wheel internal spline on described central gear, planet carrier and the gear ring.
4. speed change gear according to claim 3, it is characterized in that, described central shaft comprises circumferentially fixing stationary axle, and the output shaft that can circumferentially rotate outputting power, described stationary axle and described output shaft conllinear, described axle external splines is arranged on the described output shaft.
5. speed change gear according to claim 4 is characterized in that, this speed change gear also comprises circumferentially fixing positioning ring, and described positioning ring can move axially.
6. speed change gear according to claim 5 is characterized in that, described positioning ring inboard is provided with the internal spline that is complementary with described central gear external splines, planet carrier external splines and gear ring external splines.
7. each described speed change gear is characterized in that according to claim 4-6, is provided be used to the link of locating described central gear on the described stationary axle.
8. speed change gear according to claim 7 is characterized in that, described link is to be arranged at the location spline that is complementary with described central gear internal spline on the described stationary axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220305887 CN202707954U (en) | 2012-06-28 | 2012-06-28 | Variable speed gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220305887 CN202707954U (en) | 2012-06-28 | 2012-06-28 | Variable speed gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202707954U true CN202707954U (en) | 2013-01-30 |
Family
ID=47588260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220305887 Expired - Fee Related CN202707954U (en) | 2012-06-28 | 2012-06-28 | Variable speed gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202707954U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081133A (en) * | 2019-05-20 | 2019-08-02 | 东莞市纽格尔行星传动设备有限公司 | A kind of planetary reducer gear and method |
-
2012
- 2012-06-28 CN CN 201220305887 patent/CN202707954U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081133A (en) * | 2019-05-20 | 2019-08-02 | 东莞市纽格尔行星传动设备有限公司 | A kind of planetary reducer gear and method |
| CN110081133B (en) * | 2019-05-20 | 2021-06-25 | 东莞市纽格尔行星传动设备有限公司 | Speed change mechanism and method of planetary speed reducer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106763565B (en) | The three gear planet speed change mechanisms used suitable for electric vehicle | |
| KR101172304B1 (en) | Power train for automatic transmission | |
| CN102913598B (en) | Planetary gear type manual transmission | |
| CN107339379B (en) | Movable three-gear speed change device of planetary transmission | |
| CN202468869U (en) | Mechanical speed change system | |
| CN106949202B (en) | Movable gear shifting multi-gear speed changing device with two-wheel driving pawls | |
| CN102042372B (en) | Multi-speed transmission | |
| CN103335075A (en) | Electronic control speed regulating stepless speed changing system and control method | |
| CN102777555B (en) | Continuous power infinitely variable speed transmission mechanism | |
| CN103486207B (en) | A kind of power infinitely variable speed gearing continuously | |
| CN202707954U (en) | Variable speed gear | |
| CN202901186U (en) | Planet gear type manual transmission | |
| CN102797808B (en) | Speed control system | |
| CN111038244A (en) | Hybrid power system and vehicle | |
| CN203656074U (en) | Gear drive mechanism for five-gear transversely arranged automatic transmission | |
| CN113879966B (en) | Embedded planet speed governing crane wheel | |
| CN202441821U (en) | Speed changing device in light vehicle | |
| CN205331329U (en) | Three -speed speed change gear | |
| CN104534037A (en) | Two-gear automatic transmission for pure electric vehicle | |
| CN104791428A (en) | Automobile transmission light in gear shifting | |
| CN104343903A (en) | Two-gear planetary gear transmission for full electric vehicle | |
| CN204403295U (en) | Pure electric automobile two-shift automatic speed variator | |
| CN203868258U (en) | Double-input combined-gear transmission | |
| CN103615505A (en) | Transmission of road roller | |
| CN207378072U (en) | A kind of centre wheel inputs two shift transmission of manual shift |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20150628 |
|
| EXPY | Termination of patent right or utility model |