CN106321743A - Speed-changing gearbox - Google Patents
Speed-changing gearbox Download PDFInfo
- Publication number
- CN106321743A CN106321743A CN201611033489.8A CN201611033489A CN106321743A CN 106321743 A CN106321743 A CN 106321743A CN 201611033489 A CN201611033489 A CN 201611033489A CN 106321743 A CN106321743 A CN 106321743A
- Authority
- CN
- China
- Prior art keywords
- gear
- output shaft
- speed
- dish
- roller
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/083—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with radially acting and axially controlled clutching members, e.g. sliding keys
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/085—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with more than one output shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02086—Measures for reducing size of gearbox, e.g. for creating a more compact transmission casing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a speed-changing gearbox. A power input shaft is connected with a first cylindrical gear, and a power output shaft is connected with a second cylindrical gear; an intermediate shaft is inclined relative to the power input shaft and the power output shaft and fixedly connected with a first gear set and a second gear set, the first gear set is composed of one or more gears which have different outer diameters and are spaced by specified distance, the second gear set is composed of one or more gears which have different outer diameters and are spaced by specified distance, at least one of the first cylindrical gear and the second cylindrical gear is connected to the corresponding shaft through a sliding key, the first cylindrical gear which is connected to the power input shaft through the sliding key is engaged with the gears in the first gear set, and the second cylindrical gear connected to the power output shaft through the sliding key is engaged with the gears in the second gear set. The speed-changing gearbox can achieve speed changing at multiple gears through few shafts in small space.
Description
Technical field
The invention belongs to change speed gear box technical field, be specifically related to a kind of speed-changing gear box.
Background technology
Variator is used to change the rotating speed from electromotor and the mechanism of moment of torsion, and it can be fixed or stepping changes output shaft
With power shaft gear ratio, also known as change speed gear box.Variator is made up of variable transmission mechanism and operating mechanism, and drive mechanism is big multiplex general
Logical gear drive, also have uses Planetary Gear Transmission.Ordinary gear transmission shifting mechanism is typically with shifting slide gear and lock unit etc..
Such as the internal structure of tradition gearbox of rice transplanter is complicated, volume is big, it is many to take car load space.Oil circuit is generally located in
On left and right two tanks, and owing to box house local structural features is more, oil circuit complex-shaped, directly affect the stream of oil
Amount and the making of mould.Spacing in the rows shift fork handle is generally disc type, and it is permissible along shift fork direction of principal axis push-and-pull that operator hold disk
Realize the replacing of spacing in the rows, but this mode is relatively elaborate, and more being easy to of its Surrounding Parts injures operator.General rice transplanting
The walking axle of machine is divided into two, left and right, two axles to be connected by a gear, and attachment structure is more complicated, and the power of variable-speed shaft is to pass through
Two axles of one gear driven reach left and right two shimmy mechanisms, the most not only can increase manufacturing cost, and once structure
Design unreasonable also can cause complete machine run unstable.
Under normal circumstances, in the case of many gears speed change will be realized, just may require that enough spaces are to dispose variable-speed motor
Structure so that the volume of change speed gear box is relatively big, takes up room the biggest.
Summary of the invention
The technical problem to be solved is: provide a kind of speed-changing gear box, simple in construction, it is possible at narrow and small sky
In, it is achieved the speed change of few many gears of axle.
For solving above-mentioned technical problem, the technical scheme is that speed-changing gear box, including: casing, in described casing
Being provided with power input shaft, jackshaft and power output shaft, described power input shaft connects the first roller gear, described dynamic
Power output shaft connects the second roller gear；Described jackshaft inclines relative to described power input shaft and described power output shaft
Tiltedly arranging, described jackshaft is fixedly connected with the first gear train and the second gear train, described first gear train and described second tooth
Wheels are different by one or more external diameters respectively and be separated by the gear of predetermined distance and form；Described first roller gear and described
In both two roller gears, at least a feather key is connected to corresponding axle, described first roller gear and described first gear train
In gear engagement, described second roller gear engages with the gear in described second gear train.
Further, the gear in described first gear train and the second gear train is dish gear, described dish gear
Tooth is distributed on the conical surface of conical trunk, and the shape of its teeth groove keeps consistent from big end to small end.
Further, described power input shaft be arranged in parallel with described power output shaft.
Further, being provided with side output shaft in described casing, described side output shaft and described power output shaft are by circle
Bevel gear pair connects.
Further, described first roller gear and described second roller gear are straight spur gears, described dish tooth
Wheel is the dish-shaped gear of straight-tooth.
Further, described first roller gear and described second roller gear are helical gears, described dish tooth
Wheel is the dish-shaped gear of bent tooth.
Owing to have employed technique scheme, the invention has the beneficial effects as follows:
By shifting fork mechanism, drive the dish of corresponding first roller gear and/or the second roller gear and various outer diameter
Gear is meshed or is separated, and jackshaft is in tilted layout relative to power input shaft and power output shaft, arbitrarily arranges installation
The first gear train on jackshaft and the quantity of the gear in the second gear train, thus in narrow and small cabinet space, transmission
In the case of the number of axle is few, it is achieved the speed change of many gears.This speed-changing gear box can apply to the position of there is a need to speed change, real
The versatility of existing change speed gear box.
Accompanying drawing explanation
Fig. 1 is the structural representation of first embodiment of the invention；
Fig. 2 is that the A-A of Fig. 1 is to cross section view；
Fig. 3 is the structural representation of second embodiment of the invention；
Fig. 4 is the structural representation of third embodiment of the invention；
Fig. 5 is the structural representation of fourth embodiment of the invention；
In figure, 1-casing, 2-power input shaft, 3-the first roller gear, 4-shifting fork mechanism, 5-jackshaft, 6-the first tooth
Wheels, 7-the second gear train, 8-power output shaft, 9-the second roller gear, 10-side output shaft, 11-power output shaft cone tooth
Wheel, 12-side output shaft bevel gear.
Detailed description of the invention
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
This specification relates to sequence number name technical characteristic (as the first roller gear, the second roller gear,
First gear train, the second gear train) merely to distinguish each technical characteristic, do not represent the position between each technical characteristic and close
System, erection sequence and job order etc..
First embodiment:
Shown in Fig. 1 and Fig. 2, speed-changing gear box, rotate in casing 1 and be provided with power input shaft 2, jackshaft 5
And power output shaft 8.
On power input shaft 2 feather key connect have the first roller gear 3, shifting fork mechanism 4 can manually, electronic, liquid
The modes such as dynamic, pneumatic or long-range control control the first roller gear 3 and move axially along power input shaft 2.
On power output shaft 8 feather key connect have the second roller gear 9, shifting fork mechanism 4 can manually, electronic, liquid
The modes such as dynamic, pneumatic or long-range control control the second roller gear 9 and move axially along power output shaft 8.
Power input shaft 2 be arranged in parallel with power output shaft 8, certainly, under special circumstances, and 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.Jackshaft 5 is fixedly connected with
First gear train 6 and the second gear train 7, the first gear train 6 is different by multiple external diameters respectively with the second gear train 7 and is separated by rule
The gear composition of set a distance, all gears in gear train can be fixed with jackshaft 5 by welding, the connected mode such as bonded
Connect.By shifting fork mechanism 4, the gear in the first gear train 6 can be meshed with the first roller gear 3, in the second gear train 7
Gear can be meshed with the second roller gear 9.
In the present embodiment, the gear in the first gear train 6 and the second gear train 7 can select dish gear.Dish 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 to small end from big end
Unanimously.It not only has the drive characteristic of angular wheel but also has the meshing characteristic of roller gear, by arrange jackshaft 5 relative to
Power input shaft 2 and the angle of inclination of power output shaft 8, make the first roller gear 3 and/or the second roller gear 9 with corresponding
Dish-shaped gear keep correct meshing relation, this is that this change speed gear box can be many with less power transmission shaft and compact structure realization
The key of gear speed change.
In casing 1, it is also equipped with side output shaft 10, power output shaft 8 is fixedly connected with power output shaft bevel gear
11, side output shaft 10 is fixedly connected with side output shaft bevel gear 12, side output shaft 10 and power output shaft 8 are by by power
The taper gear pair of output shaft bevel gear 11 and side output shaft bevel gear 12 composition connects.By side output shaft 10 can facilitate with
Peripheral parts are connected, it is simple 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 outbound course.Should be appreciated that these change be included in the present invention design it
In.
In the present embodiment, the first roller gear 3 and the second roller gear 9 can be straight spur gears, now, and 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
Time, dish gear is the dish-shaped gear of bent tooth.
Owing to the first gear train 6 and the second gear train 7 are different by multiple external diameters respectively and are separated by the dish of predetermined distance
Gear form, when pulling roller gear to move axially along corresponding axle by shifting fork mechanism 4, roller gear just can with not
It is meshed with the dish-shaped gear of external diameter, thus reaches the effect of speed change.The quantity of gear and the first gear train 6 and the second gear
The quantity of dish-shaped gear in group 7 is relevant, and the present embodiment can realize neutral position and 3*3=9 power exports gear, certainly,
The quantity of dish gear is not limited to this.
Second embodiment:
As it is shown on figure 3, be with first embodiment difference, the first gear train 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 the second gear train 7.Second roller gear 9 is fixedly connected on
On power output shaft 8, it is not necessary to move axially along power output shaft 8.Only first roller gear 3 is sliding with power input shaft 2
Bonded, under the effect of shifting fork mechanism 4, it is possible to move axially along power input shaft 2, different from the first gear train 6 outside
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, it is with first embodiment difference, only one of which dish gear in the first gear train 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 form.First roller gear 3 is fixedly connected on dynamic
On power power shaft 2, it is not necessary to move axially along power input shaft 2.Only second roller gear 9 and power output shaft 8 feather key
Connect, under the effect of shifting fork mechanism 4, it is possible to move axially along power output shaft 8, with various outer diameter in the second gear train 7
Dish-shaped gear be meshed.The present embodiment can realize neutral position and 1*3=3 power output gear.
4th embodiment:
As it is shown in figure 5, be with first embodiment difference, only one of which dish gear in the first gear train 6, and
Also only one of which dish gear in second gear train 7.Second roller gear 9 is fixedly connected on power output shaft 8, with the second tooth
Dish-shaped gear in wheels 6 is meshed.First roller gear 3 is connected with power input shaft 2 feather key, in the effect of shifting fork mechanism 4
Under, it is possible to move axially along power input shaft 2, be meshed with the dish-shaped gear in the first gear train 6 or be separated, thus
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 be connected fixing with power input shaft 2 for the first roller gear 3, the second roller gear 9 feather key connects
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 described casing, described power input shaft connects to be had
First roller gear, described power output shaft connects the second roller gear；It is characterized in that,
Described jackshaft is in tilted layout relative to described power input shaft and described power output shaft, and described jackshaft is fixing even
It is connected to the first gear train and the second gear train, described first gear train and described second gear train respectively by one or more external diameters
Different and be separated by the gear composition of predetermined distance；
In described first roller gear and described second roller gear, at least a feather key is connected to corresponding axle, described
First roller gear engages with the gear in described first gear train, in described second roller gear and described second gear train
Gear engages.
2. speed-changing gear box as claimed in claim 1, it is characterised in that the tooth in described first gear train and the second gear train
Wheel is dish gear, and the tooth of described dish gear is distributed on the conical surface of conical trunk, and the shape of its teeth groove is from holding to little greatly
End keeps consistent.
3. speed-changing gear box as claimed in claim 1 or 2, it is characterised in that described power input shaft exports with described power
Axle be arranged in parallel.
4. speed-changing gear box as claimed in claim 1 or 2, it is characterised in that be provided with side output shaft in described casing, described
Side output shaft is connected by taper gear pair with described power output shaft.
5. speed-changing gear box as claimed in claim 2, it is characterised in that described first roller gear and described second Cylinder Gear
Wheel is straight spur gear, and described dish gear is the dish-shaped gear of straight-tooth.
6. speed-changing gear box as claimed in claim 2, it is characterised in that described first roller gear and described second Cylinder Gear
Wheel is helical gears, and described dish gear is the dish-shaped gear of bent tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611033489.8A CN106321743A (en) | 2016-11-14 | 2016-11-14 | Speed-changing gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611033489.8A CN106321743A (en) | 2016-11-14 | 2016-11-14 | Speed-changing gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106321743A true CN106321743A (en) | 2017-01-11 |
Family
ID=57816667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611033489.8A Pending CN106321743A (en) | 2016-11-14 | 2016-11-14 | Speed-changing gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106321743A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120394A (en) * | 2017-05-09 | 2017-09-01 | 天津工业大学 | A kind of new big speed ratio speed change system |
| CN111895047A (en) * | 2019-05-06 | 2020-11-06 | 陈驰川 | Multi-stage speed-changing transmission device of spherical bevel gear |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1625111A1 (en) * | 1967-02-01 | 1970-06-18 | Christian Meyer | Change gear |
| GB2095773A (en) * | 1981-04-01 | 1982-10-06 | Dubov Phillip Lewis | Improvements in and relating to transmission units |
| CN203257995U (en) * | 2013-05-21 | 2013-10-30 | 通海大禹轴承有限公司 | Small-sized rotary cultivator speed changer with double power output shafts |
| WO2014016646A1 (en) * | 2012-07-26 | 2014-01-30 | Aristizabal Aristizabal Luis Alberto | Regenerative braking and transmission system |
| CN206206516U (en) * | 2016-11-14 | 2017-05-31 | 潍坊同方机械有限公司 | Speed-changing gear box |
-
2016
- 2016-11-14 CN CN201611033489.8A patent/CN106321743A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1625111A1 (en) * | 1967-02-01 | 1970-06-18 | Christian Meyer | Change gear |
| GB2095773A (en) * | 1981-04-01 | 1982-10-06 | Dubov Phillip Lewis | Improvements in and relating to transmission units |
| WO2014016646A1 (en) * | 2012-07-26 | 2014-01-30 | Aristizabal Aristizabal Luis Alberto | Regenerative braking and transmission system |
| CN203257995U (en) * | 2013-05-21 | 2013-10-30 | 通海大禹轴承有限公司 | Small-sized rotary cultivator speed changer with double power output shafts |
| CN206206516U (en) * | 2016-11-14 | 2017-05-31 | 潍坊同方机械有限公司 | Speed-changing gear box |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120394A (en) * | 2017-05-09 | 2017-09-01 | 天津工业大学 | A kind of new big speed ratio speed change system |
| CN111895047A (en) * | 2019-05-06 | 2020-11-06 | 陈驰川 | Multi-stage speed-changing transmission device of spherical bevel gear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170111 |
|
| RJ01 | Rejection of invention patent application after publication |