CN206206516U - Speed-changing gear box - Google Patents
Speed-changing gear box Download PDFInfo
- Publication number
- CN206206516U CN206206516U CN201621254617.7U CN201621254617U CN206206516U CN 206206516 U CN206206516 U CN 206206516U CN 201621254617 U CN201621254617 U CN 201621254617U CN 206206516 U CN206206516 U CN 206206516U
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- gear
- roller
- output shaft
- group
- dish
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- 210000003746 Feathers Anatomy 0.000 claims abstract description 10
- 230000000875 corresponding Effects 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims description 4
- 241000405098 Champsodontidae Species 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000001264 neutralization Effects 0.000 description 4
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001429 stepping Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a kind of speed-changing gear box, power input shaft is connected with the first roller gear, and power output shaft is connected with the second roller gear；Jackshaft is in tilted layout relative to power input shaft and power output shaft, jackshaft is fixedly connected with first gear group and second gear group, first gear group and second gear group are different by one or more external diameters respectively and be separated by the gear of predetermined distance and constitute, at least one feather key is connected to corresponding axle in both first roller gear and the second roller gear, the first roller gear that feather key is connected to power input shaft is engaged with the gear in first gear group, and the second roller gear that feather key is connected to power output shaft is engaged with the gear in second gear group.In narrow space, the speed change of few axle many gears can be realized.
Description
Technical field
The utility model belongs to gearbox technical field, and in particular to a kind of speed-changing gear box.
Background technology
Speed changer is the mechanism for changing rotating speed and moment of torsion from engine, and it can be fixed or stepping changes output shaft
With input shaft gearratio, also known as gearbox.Speed changer is made up of variable transmission mechanism and operating mechanism, and transmission mechanism is big multiplex general
Logical gear drive, what is also had uses Planetary Gear Transmission.Ordinary gear transmission shifting mechanism is typically with shifting slide gear and synchronizer etc..
The internal structure complexity of such as traditional gearbox of rice transplanter, volume are big, occupancy vehicle space is more.Oil circuit is generally located in
On left and right two tanks, and because box house local structural features are more, oil circuit it is complex-shaped, directly affect oil stream
The making of amount and mould.Spacing in the rows shift fork handle is generally disc type, and operating personnel hold disk can be with along the push-and-pull of shift fork direction of principal axis
The replacing of spacing in the rows is realized, but this mode is relatively elaborate, and its Surrounding Parts are more is easy to injure operating personnel.General rice transplanting
The walking axle of machine is divided into left and right two, and two axles are connected by a gear, and attachment structure is more complicated, and the power of variable-speed shaft is to pass through
One gear driven, two axles reach two shimmy mechanisms of left and right, so can not only increase manufacturing cost, once and structure
Design is unreasonable also to cause whole machine operation unstable.
Under normal circumstances, in the case of realizing many gear speed changes, just may require that enough spaces to dispose variable-speed motor
Structure so that the volume of gearbox is larger, takes up room also larger.
The content of the invention
Technical problem to be solved in the utility model is：A kind of speed-changing gear box is provided, simple structure can be narrow and small
Space in, realize the speed change of few many gears of axle.
In order to solve the above technical problems, the technical solution of the utility model is：Speed-changing gear box, including：Casing, the case
Power input shaft, jackshaft and power output shaft are installed in vivo, the power input shaft is connected with the first roller gear, institute
State power output shaft and be connected with the second roller gear；The jackshaft is relative to the power input shaft and the power output
Axle is in tilted layout, and the jackshaft is fixedly connected with first gear group and second gear group, the first gear group and described
Two gear trains are different by one or more external diameters respectively and be separated by the gear of predetermined distance and constitute；First roller gear and institute
At least one feather key is connected to corresponding axle, first roller gear and first tooth in stating both second roller gears
Gear engagement in wheel group, second roller gear is engaged with the gear in the second gear group.
Further, the gear in the first gear group and second gear group is dish-shaped gear, the dish-shaped gear
Tooth is distributed on the conical surface of conical trunk, and the shape of its teeth groove is consistent from big end to small end.
Further, the power input shaft be arranged in parallel with the power output shaft.
Further, side output shaft is installed, the side output shaft is with the power output shaft by circle in the casing
Bevel gear pair is connected.
Further, first roller gear and second roller gear are straight spur gears, the dish-shaped tooth
Wheel is the dish-shaped gear of straight-tooth.
Further, first roller gear and second roller gear are helical gears, the dish-shaped tooth
Wheel is the dish-shaped gear of bent tooth.
By adopting the above-described technical solution, the beneficial effects of the utility model are：
By shifting fork mechanism, the dish of corresponding first roller gear and/or the second roller gear and various outer diameter is driven
Gear is meshed or is separated, and jackshaft is in tilted layout relative to power input shaft and power output shaft, and any setting is installed
The quantity of the gear in the first gear group and second gear group on jackshaft, so as in narrow and small cabinet space, be driven
In the case that the number of axle is few, the speed change of many gears is realized.The speed-changing gear box can apply to speed change in need position, it is real
The versatility of existing gearbox.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model first embodiment；
Fig. 2 is the A-A of Fig. 1 to cross section view；
Fig. 3 is the structural representation of the utility model second embodiment；
Fig. 4 is the structural representation of the utility model 3rd embodiment；
Fig. 5 is the structural representation of the utility model fourth embodiment；
In figure, 1- casings, 2- power input shafts, the roller gears of 3- first, 4- shifting fork mechanisms, 5- jackshafts, the teeth of 6- first
Wheel group, 7- second gear groups, 8- power output shafts, the roller gears of 9- second, 10- sides output shaft, 11- power output axial cone teeth
Wheel, 12- sides output shaft bevel gears.
Specific embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.
Be related in this specification with sequence number name technical characteristic (such as the first roller gear, the second roller gear,
First gear group, second gear group) merely to distinguishing each technical characteristic, the position not represented between each technical characteristic is closed
System, erection sequence and job order etc..
First embodiment：
With reference to shown in Fig. 1 and Fig. 2, speed-changing gear box is rotated in casing 1 and is provided with power input shaft 2, jackshaft 5
And power output shaft 8.
Feather key is connected with the first roller gear 3 on power input shaft 2, shifting fork mechanism 4 can manually, electronic, liquid
The modes such as dynamic, pneumatic or remote control control the first roller gear 3 to be moved axially along power input shaft 2.
Feather key is connected with the second roller gear 9 on power output shaft 8, shifting fork mechanism 4 can manually, electronic, liquid
The modes such as dynamic, pneumatic or remote control control the second roller gear 9 to be moved axially along power output shaft 8.
Power input shaft 2 be arranged in parallel with power output shaft 8, certainly, under special circumstances, power input shaft 2 and power
Output shaft 8 can also be obliquely installed.
Jackshaft 5 is in tilted layout relative to power input shaft 2 and power output shaft 8.It is fixedly connected with jackshaft 5
First gear group 6 and second gear group 7, first gear group 6 and second gear group 7 are different by multiple external diameters respectively and are separated by rule
The gear composition of set a distance, all gears in gear train the connected mode such as can connect and jackshaft 5 is fixed by welding, being bonded
Connection.By shifting fork mechanism 4, the gear in first gear group 6 can be meshed with the first roller gear 3, in second gear group 7
Gear can be meshed with the second roller gear 9.
In the present embodiment, the gear in first gear group 6 and second gear group 7 can be from dish-shaped gear.Dish-shaped tooth
Wheel is a kind of special gear, and its tooth is distributed on the conical surface of conical trunk, and the shape of its teeth groove keeps from big end to small end
Unanimously.It not only with angular wheel drive characteristic again with roller gear meshing characteristic, by set jackshaft 5 relative to
The angle of inclination of power input shaft 2 and power output shaft 8, make the first roller gear 3 and/or the second roller gear 9 with it is corresponding
Dish-shaped gear keep correct meshing relation, this is that the gearbox can be more with less power transmission shaft and compact structure realization
The key of gear speed change.
Side output shaft 10 is also equipped with casing 1, power output shaft bevel gears are fixedly connected with power output shaft 8
11, output shaft bevel gears 12 in side are fixedly connected with side output shaft 10, side output shaft 10 is with power output shaft 8 by by power
The taper gear pair connection of output shaft bevel gears 11 and the side output composition of shaft bevel gears 12.By side output shaft 10 can facilitate with
The parts of periphery are connected, and are easy to the change of power direction and the output of power.In order to realize gear reversing function, it is also possible to
Axle of carrier pulley is set in casing 1 to change power output direction.It should be appreciated that these changes are included in design of the present utility model
Within.
In the present embodiment, the first roller gear 3 and the second roller gear 9 can be straight spur gears, now, dish
Gear is the dish-shaped gear of straight-tooth.Certainly, the first roller gear 3 and the second roller gear 9 can also be helical gears, this
When, dish-shaped gear is the dish-shaped gear of bent tooth.
Because first gear group 6 and second gear group 7 are different by multiple external diameters respectively and are separated by the dish of predetermined distance
Gear constitute, when by shifting fork mechanism 4 pull roller gear along corresponding to axle move axially when, roller gear just can with not
It is meshed with the dish-shaped gear of external diameter, so as to reach the effect of speed change.The quantity of gear and first gear group 6 and second gear
The quantity of the dish-shaped gear in group 7 is relevant, and the present embodiment can realize neutral position and 3*3=9 power output gear, certainly,
The quantity of dish-shaped gear is not limited to this.
Second embodiment：
As shown in figure 3, being with first embodiment difference, first gear group 6 is different by multiple external diameters and is separated by rule
The dish-shaped gear composition of set a distance, and only one of which dish gear in second gear group 7.Second roller gear 9 is fixedly connected on
On power output shaft 8, it is not necessary to moved axially along power output shaft 8.Only the first roller gear 3 is slided with power input shaft 2
It is bonded and connects, in the presence of shifting fork mechanism 4, can be moved axially along power input shaft 2, it is different from first gear group 6 outer
The dish-shaped gear in footpath is meshed.The present embodiment can realize neutral position and 3*1=3 power output gear.
3rd embodiment：
As shown in figure 4, be with first embodiment difference, only one of which dish gear in first gear group 6, and the
Two gear trains 7 are different by multiple external diameters and be separated by the dish-shaped gear of predetermined distance and constitute.First roller gear 3 is fixedly connected on dynamic
On power input shaft 2, it is not necessary to moved axially along power input shaft 2.Only the second roller gear 9 and the feather key of power output shaft 8
Connection, in the presence of shifting fork mechanism 4, can move axially, with various outer diameter in second gear group 7 along power output shaft 8
Dish-shaped gear be meshed.The present embodiment can realize neutral position and 1*3=3 power output gear.
Fourth embodiment：
As shown in figure 5, be with first embodiment difference, only one of which dish gear in first gear group 6, and
In second gear group 7 also only one of which dish gear.Second roller gear 9 is fixedly connected on power output shaft 8, with the second tooth
Dish-shaped gear in wheel group 6 is meshed.First roller gear 3 is connected with the feather key of power input shaft 2, in the effect of shifting fork mechanism 4
Under, can be moved axially along power input shaft 2, it is meshed or is separated with the dish-shaped gear in first gear group 6, so that
Reach the effect of speed change.The present embodiment can realize neutral position and 1*1=1 power output gear.
It is of course also possible to the first roller gear 3 is fixedly connected with power input shaft 2, the connection of the feather key of the second roller gear 9
On power output shaft 8.
Claims (6)
1. speed-changing gear box, including：
Casing, is provided with power input shaft, jackshaft and power output shaft in the casing, the power input shaft is connected with
First roller gear, the power output shaft is connected with the second roller gear；Characterized in that,
The jackshaft is in tilted layout relative to the power input shaft and the power output shaft, and the jackshaft is fixed and connected
First gear group and second gear group are connected to, the first gear group and the second gear group are respectively by one or more external diameters
Gear compositions that are different and being separated by predetermined distance；
At least one feather key is connected to corresponding axle in both first roller gear and second roller gear, described
First roller gear is engaged with the gear in the first gear group, in second roller gear and the second gear group
Gear is engaged.
2. speed-changing gear box as claimed in claim 1, it is characterised in that the tooth in the first gear group and second gear group
Wheel is dish-shaped gear, and the tooth of the dish-shaped gear is distributed on the conical surface of conical trunk, and the shape of its teeth groove is from big end to small
End is consistent.
3. speed-changing gear box as claimed in claim 1 or 2, it is characterised in that the power input shaft and the power output
Axle be arranged in parallel.
4. speed-changing gear box as claimed in claim 1 or 2, it is characterised in that side output shaft is provided with the casing, it is described
Side output shaft is connected with the power output shaft by taper gear pair.
5. speed-changing gear box as claimed in claim 2, it is characterised in that first roller gear and second Cylinder Gear
Wheel is straight spur gear, and the dish-shaped gear is the dish-shaped gear of straight-tooth.
6. speed-changing gear box as claimed in claim 2, it is characterised in that first roller gear and second Cylinder Gear
Wheel is helical gears, and the dish-shaped gear is the dish-shaped gear of bent tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621254617.7U CN206206516U (en) | 2016-11-14 | 2016-11-14 | Speed-changing gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621254617.7U CN206206516U (en) | 2016-11-14 | 2016-11-14 | Speed-changing gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206206516U true CN206206516U (en) | 2017-05-31 |
Family
ID=58749174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621254617.7U Active CN206206516U (en) | 2016-11-14 | 2016-11-14 | Speed-changing gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206206516U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321743A (en) * | 2016-11-14 | 2017-01-11 | 潍坊同方机械有限公司 | Speed-changing gearbox |
-
2016
- 2016-11-14 CN CN201621254617.7U patent/CN206206516U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321743A (en) * | 2016-11-14 | 2017-01-11 | 潍坊同方机械有限公司 | Speed-changing gearbox |
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