CN205824119U - Double shift fork change speed gear boxes - Google Patents
Double shift fork change speed gear boxes Download PDFInfo
- Publication number
- CN205824119U CN205824119U CN201620627396.7U CN201620627396U CN205824119U CN 205824119 U CN205824119 U CN 205824119U CN 201620627396 U CN201620627396 U CN 201620627396U CN 205824119 U CN205824119 U CN 205824119U
- Authority
- CN
- China
- Prior art keywords
- gear
- speed
- shift fork
- fast pulley
- low
- 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
Abstract
This utility model relates to the technical field of change speed gear box, especially relate to a kind of double shift fork change speed gear box, main low-speed gear it is interval with the most successively on power shaft in casing, main high gear, main reverse gear, drive from top to bottom it is interval with on variable-speed shaft, fast pulley one, fast pulley two, the low gear engaged with main low-speed gear is installed by bearing on variable-speed shaft, high-speed drive gear, reverse gear gear, low speed engagement wheel, engagement wheel at a high speed, fast pulley one is provided with spline housing one, side corresponding with fast pulley two on reverse gear gear is provided with the engagement wheel that reverses gear, fast pulley two is provided with spline housing two, spline housing one and spline housing two have shift fork one respectively, shift fork two is stirred, shift fork one, shift fork two is mounted on shift fork axle and can be along the axial displacement of shift fork axle.Advantage is: can be effectively improved the speed changing effect of product so that speed change becomes extremely simple and quickly decreases the installation quantity of gear, reduces cost and is effectively increased installation accuracy.
Description
Technical field
This utility model relates to the technical field of change speed gear box, especially relates to a kind of double shift fork change speed gear box.
Background technology
Change speed gear box is relatively conventional on mechanical and power equipment, also changes gear ratio institute during work for some machineries
Indispensable product.The most traditional change speed gear box, including casing, is provided with power shaft, speed change that three axis are parallel to each other in casing
Axle, output shaft, the upper end of power shaft is by outer power-actuated input, and the lower end of output shaft is the output externally exporting power
End, power shaft is interval with main low-speed gear, main high gear, main reverse gear the most successively, and variable-speed shaft is provided with
The drive of transfer motion power on output shaft, also is provided with change-speed gearing equally, this traditional change speed gear box use during,
It is generally the most all to use single shift fork to carry out speed governing, then extremely single that the pattern of speed governing just becomes, whole gear drive and nibbling
The structure closed just becomes extremely complex, because the reason of the speed governing of single shift fork, so required gear is more, thus can make
All become extremely difficult is installed and overhauled to the gear becoming this speed change system, inefficient, the most bad grasp of installation accuracy.
Summary of the invention
The deficiency existed for above-mentioned prior art, the purpose of this utility model is to provide one can be effectively improved product
Speed changing effect so that speed change becomes extremely simple and quickly decreases the installation quantity of gear, reduces cost and is effectively increased
Double shift fork change speed gear boxes of installation accuracy.
For realizing above-mentioned purpose, this utility model provides techniques below scheme:
A kind of double shift fork change speed gear box, including casing, be provided with in casing power shaft that three axis are parallel to each other, variable-speed shaft,
Output shaft, the upper end of power shaft is by outer power-actuated input, and the lower end of output shaft is the outfan externally exporting power, defeated
Enter to be interval with the most successively on axle main low-speed gear, main high gear, main reverse gear, on variable-speed shaft from top to bottom between
Every being provided with drive, fast pulley one, fast pulley two, output shaft is provided with the secondary driving gear engaged with drive, fast pulley one
With the low gear engaged with main low-speed gear is installed by bearing on the variable-speed shaft between drive, fast pulley one with
The high-speed drive gear engaged with main high gear, fast pulley two times are installed by bearing on the variable-speed shaft between fast pulley two
By bearing, the reverse gear gear with main reverse gear Chain conveyer or V belt translation, low speed rotation tooth are installed on the variable-speed shaft of side
Side corresponding with fast pulley one on wheel is provided with low speed engagement wheel, side corresponding with fast pulley one on high-speed drive gear
Being provided with engagement wheel at a high speed, fast pulley one is provided with to slide axially and engages wheel or the spline housing of engagement wheel engagement at a high speed with low speed
One, side corresponding with fast pulley two on reverse gear gear is provided with the engagement wheel that reverses gear, and fast pulley two is provided with can be slided vertically
Moving and the spline housing two engaging wheel engagement that reverses gear, spline housing one and spline housing two have shift fork one, shift fork two to stir respectively, shift fork
One, shift fork two is mounted on shift fork axle and can be along the axial displacement of shift fork axle.
This utility model is further arranged to: described main low-speed gear, main high gear, main reverse gear are outside circle
The gear that diameter is not mutually equal.
This utility model is further arranged to: the outside circle of the main low-speed gear of tip diameter ＜ of described main reverse gear
The tip diameter of the main high gear of diameter ＜.
This utility model is further arranged to: described low gear, high-speed drive gear, reverse gear gear are
The gear that tip diameter is not mutually equal.
This utility model is further arranged to: the tooth of the tip diameter ＞ high-speed drive gear of described low gear
The tip diameter of outside diameter circle ＞ reverse gear gear.
This utility model is further arranged to: the tip diameter of described fast pulley one, low speed engagement wheel, at a high speed engagement wheel
Equal.
This utility model is further arranged to: the tip diameter that described fast pulley two, engagement of reversing gear are taken turns is equal.
This utility model is further arranged to: the side of described shift fork axle is provided with the axis of guide, the upper and lower both sides on the axis of guide
Being respectively equipped with gathering sill one, gathering sill two, the guide end of shift fork one can be along gathering sill one slip, shift fork in being inserted in gathering sill one
The guide end of two can be along gathering sill two slip in being inserted in gathering sill two.
This utility model is further arranged to: the flute profile of described gathering sill one is for by input edge before this, axial output shaft direction
It is radially arranged the lower skewed slot arranged from top to bottom that transverse groove one is connected with transverse groove one to be connected from bottom to top with lower skewed slot
The upper skewed slot one arranged；The flute profile of gathering sill two is by inputting the upper skewed slot that axial output shaft direction is arranged the most from bottom to top
Two are disposed radially transverse groove two with upper skewed slot two is connected.
This utility model is further arranged to: the maximum height of the lower surface of described upper skewed slot one to the axis of guide is more than laterally
The height of the lower surface of groove one to the axis of guide.
By using technique scheme, the technique effect that this utility model is reached is: by carrying out speed changing structure
Improve, and change power shaft and the direct drive connection of variable-speed shaft, and be provided with different double shift forks and individually regulate
Speed change so that this product can be effectively improved the speed changing effect of product so that speed change become extremely simple quickly, decrease gear
Installation quantity, reduce cost and be effectively increased installation accuracy.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings this utility model is described in further detail.
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the structural representation in casing of the present utility model.
Fig. 3 is the structural representation of the axis of guide of the present utility model, shifting shaft and variable-speed shaft.
Fig. 4 is the structural representation of variable-speed shaft of the present utility model.
Detailed description of the invention
With reference to Fig. 1～4, disclosed in this utility model, a kind of double shift fork change speed gear boxes, including casing 10, are provided with in casing 10
Power shaft 11 that three axis are parallel to each other, variable-speed shaft 12, output shaft 13, the upper end of power shaft 11 is by outer power-actuated input
End 14, the lower end of output shaft 13 is the outfan 15 externally exporting power, and power shaft 11 is interval with master the most successively
Low-speed gear 16, main high gear 17, main reverse gear 18, it is generally the case that in order to obtain different speed, main low-speed gear
16, main high gear 17, main reverse gear 18 are the gear that tip diameter is not mutually equal, and in the present embodiment, master is reversed gear
The tip diameter of the main high gear of tip diameter ＜ 17 of the main low-speed gear of tip diameter ＜ 16 of gear 18.
From top to bottom it is interval with drive 19, fast pulley 1, fast pulley 2 21 on variable-speed shaft 12, output shaft 13 sets
There is the secondary driving gear 22 engaged with drive 19, the variable-speed shaft 12 between fast pulley 1 and drive 19 is pacified by bearing
Equipped with the low gear 23 engaged with main low-speed gear 16, on the variable-speed shaft 12 between fast pulley 1 and fast pulley 2 21
The high-speed drive gear 24 engaged with main high gear 17 is installed by bearing, logical on the variable-speed shaft 12 on the downside of fast pulley 2 21
Cross bearing and the reverse gear gear 25 with main reverse gear 18 Chain conveyer or V belt translation is installed, with solid on low gear 23
The corresponding side of fixed wheel 1 is provided with low speed engagement wheel 26, side corresponding with fast pulley 1 on high-speed drive gear 24
Being provided with engagement wheel 27 at a high speed, fast pulley 1 is provided with to slide axially and engages wheel 26 or engagement wheel 27 engagement at a high speed with low speed
Spline housing 1, side corresponding with fast pulley 2 21 on reverse gear gear 25 be provided with reverse gear engagement wheel 29, fast pulley
2 21 are provided with to slide axially and reverse gear and engage the spline housings 2 30 of wheel 29 engagement, and spline housing 1 and spline housing 2 30 are respectively
Having shift fork 1, shift fork 2 32 to stir, shift fork 1, shift fork 2 32 are mounted on shift fork axle 33 and can be axial along shift fork axle 33
Displacement.Spline housing one is dialed up by shift fork one, and spline housing one now engages wheel engagement, main low speed with fast pulley one and low speed
Gear then drives low gear to rotate, and low gear drives low speed engagement wheel to rotate while rotating, and then will drive
Power is transferred on fast pulley one, and fast pulley rotates the most accordingly so that variable-speed shaft rotates simultaneously, and the drive of variable-speed shaft is also
Driving force is delivered to the secondary gear that drives by concomitant rotation, then exports through output shaft, at spline housing one and fast pulley one and low speed
During engagement wheel engagement, high-speed drive gear and reverse gear gear are idling conditions；If by shift fork one by spline housing one
Stirring downwards, second spline housing now engages wheel engagement with fast pulley one and high speed, and main high gear then drives high-speed drive
Pinion rotation, drives engagement wheel at a high speed to rotate, and then transfers a driving force to fast pulley one while high-speed drive pinion rotation
On, fast pulley rotates the most accordingly so that variable-speed shaft rotates simultaneously, and the drive of variable-speed shaft also concomitant rotation is defeated by driving force
Deliver to the secondary gear that drives, then export through output shaft, engage during wheel engagement at spline housing one with fast pulley one and high speed,
Low gear and reverse gear gear are idling conditions；If spline housing two is stirred downwards by shift fork two, spline now
Second set engage with fast pulley two and reversing gear to take turns and engages, and reverse gear then drives reverse gear pinion rotation, reverse gear gear
Driving the engagement wheel that reverses gear to rotate while rotation, and then transfer a driving force on fast pulley two, fast pulley turns the most accordingly
Dynamic so that variable-speed shaft rotates simultaneously, driving force is delivered to secondary driving gear, then warp by the drive of variable-speed shaft also concomitant rotation
Output shaft exports, at spline housing two and fast pulley two with during reversing gear and engage wheel engagement, and low gear and high speed biography
Moving gear is idling conditions.
Wherein, low gear 23, high-speed drive gear 24, reverse gear gear 25 are tip diameter the most not phase
Deng gear.In the present embodiment, the tip diameter ＞ of the tip diameter ＞ high-speed drive gear 24 of low gear 23
The tip diameter of reverse gear gear 25.The tip diameter phase of fast pulley 1, low speed engagement wheel 26, at a high speed engagement wheel 27
Deng, the tip diameter that fast pulley 2 21, engagement of reversing gear take turns 29 is equal.
In above-mentioned, in order to ensure that double shift fork can cooperate work during work, it is also possible to separate
Work, therefore the side at shift fork axle 33 is provided with the axis of guide 34, upper and lower on the axis of guide 34 be respectively provided on two sides with gathering sill one,
Gathering sill two, the flute profile of gathering sill one here for by input axial output shaft direction be disposed radially before this transverse groove 1,
The upper skewed slot arranged from bottom to top that the lower skewed slot 36 arranged from top to bottom being connected with transverse groove 1 is connected with lower skewed slot 36
One 37；The flute profile of gathering sill two be by input the upper skewed slot 2 38 that arranges the most from bottom to top of axial output shaft direction and upper tiltedly
What groove 2 38 connected is disposed radially transverse groove 2 39.The guide end of shift fork 1 can be along gathering sill one in being inserted in gathering sill one
Sliding, the guide end of shift fork 2 32 can be along gathering sill two slip in being inserted in gathering sill two.The setting of different gathering sills so that
Shift fork one and shift fork two in above-mentioned can be worked in coordination during being struck, it is possible to preferably complete between corresponding gear
Transmit the mode realizing idle running between power output and other gear.Wherein, the lower end of upper skewed slot 1 37 to the axis of guide 34
The maximum height in face is more than the height of the lower surface of transverse groove 1 35 to the axis of guide 35.
Above-described embodiment is only preferred embodiment of the present utility model, limits protection model of the present utility model the most according to this
Enclose, therefore: all equivalence changes done according to structure of the present utility model, shape, principle, protection of the present utility model all should be covered by
Within the scope of.
Claims (10)
1. double shift fork change speed gear boxes, including casing, are provided with power shaft that three axis are parallel to each other, variable-speed shaft, defeated in casing
Shaft, the upper end of power shaft is by outer power-actuated input, and the lower end of output shaft is the outfan externally exporting power, input
Main low-speed gear, main high gear, main reverse gear it is interval with the most successively on axle, it is characterised in that: on variable-speed shaft
From top to bottom being interval with drive, fast pulley one, fast pulley two, output shaft is provided with the secondary driving tooth engaged with drive
Wheel, the variable-speed shaft between fast pulley one and drive is provided with the low speed rotation tooth engaged with main low-speed gear by bearing
Wheel, the variable-speed shaft between fast pulley one with fast pulley two is provided with the high-speed drive tooth engaged with main high gear by bearing
Wheel, the variable-speed shaft on the downside of fast pulley two is provided with the reverse gear tooth with main reverse gear Chain conveyer or V belt translation by bearing
Wheel, side corresponding with fast pulley one on low gear is provided with low speed engagement wheel, with fast pulley on high-speed drive gear
One corresponding side is provided with engagement wheel at a high speed, and fast pulley one is provided with to slide axially and engages wheel or engagement at a high speed with low speed
The spline housing one of wheel engagement, side corresponding with fast pulley two on reverse gear gear is provided with the engagement wheel that reverses gear, fast pulley two
Being provided with and can slide axially and the spline housing two engaging wheel engagement that reverses gear, spline housing one and spline housing two have shift fork one respectively, dial
Fork two is stirred, and shift fork one, shift fork two are mounted on shift fork axle and can be along the axial displacement of shift fork axle.
The most according to claim 1 pair of shift fork change speed gear box, it is characterised in that: described main low-speed gear, main high gear, master
Reverse gear is the gear that tip diameter is not mutually equal.
The most according to claim 2 pair of shift fork change speed gear box, it is characterised in that: the tip diameter ＜ of described main reverse gear
The tip diameter of the main high gear of tip diameter ＜ of main low-speed gear.
The most according to claim 2 pair of shift fork change speed gear box, it is characterised in that: described low gear, high-speed drive tooth
Wheel, reverse gear gear are the gear that tip diameter is not mutually equal.
The most according to claim 4 pair of shift fork change speed gear box, it is characterised in that: the tip diameter of described low gear
The tip diameter of the tip diameter ＞ reverse gear gear of ＞ high-speed drive gear.
The most according to claim 1 pair of shift fork change speed gear box, it is characterised in that: the engagement of described fast pulley one, low speed is taken turns, at a high speed
The tip diameter of engagement wheel is equal.
The most according to claim 1 pair of shift fork change speed gear box, it is characterised in that: described fast pulley two, the tooth of the engagement wheel that reverses gear
Outside diameter circle is equal.
The most according to claim 1 pair of shift fork change speed gear box, it is characterised in that: the side of described shift fork axle is provided with the axis of guide,
Upper and lower on the axis of guide is respectively provided on two sides with gathering sill one, gathering sill two, and the guide end of shift fork one can in being inserted in gathering sill one
Sliding along gathering sill one, the guide end of shift fork two can be along gathering sill two slip in being inserted in gathering sill two.
The most according to claim 8 pair of shift fork change speed gear box, it is characterised in that: the flute profile of described gathering sill one is by power shaft
To output shaft direction be disposed radially before this lower skewed slot arranged from top to bottom that transverse groove one is connected with transverse groove one and under
The upper skewed slot one arranged from bottom to top that skewed slot connects；The flute profile of gathering sill two be by input axial output shaft direction before this by under
The upper skewed slot two set up is disposed radially transverse groove two with upper skewed slot two is connected.
The most according to claim 9 pair of shift fork change speed gear box, it is characterised in that: the lower end of described upper skewed slot one to the axis of guide
The maximum height in face is more than the height of the lower surface of transverse groove one to the axis of guide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620627396.7U CN205824119U (en) | 2016-06-22 | 2016-06-22 | Double shift fork change speed gear boxes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620627396.7U CN205824119U (en) | 2016-06-22 | 2016-06-22 | Double shift fork change speed gear boxes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205824119U true CN205824119U (en) | 2016-12-21 |
Family
ID=58145768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620627396.7U Expired - Fee Related CN205824119U (en) | 2016-06-22 | 2016-06-22 | Double shift fork change speed gear boxes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205824119U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630703A (en) * | 2019-10-28 | 2019-12-31 | 中国科学院合肥物质科学研究院 | Single-input double-output transmission switching mechanism |
| WO2022152196A1 (en) * | 2021-01-18 | 2022-07-21 | Ningbo Geely Automobile Research & Development Co., Ltd. | A transmission |
| CN110296185B (en) * | 2019-08-06 | 2024-01-30 | 特百佳动力科技股份有限公司 | Heavy-duty gearbox |
-
2016
- 2016-06-22 CN CN201620627396.7U patent/CN205824119U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296185B (en) * | 2019-08-06 | 2024-01-30 | 特百佳动力科技股份有限公司 | Heavy-duty gearbox |
| CN110630703A (en) * | 2019-10-28 | 2019-12-31 | 中国科学院合肥物质科学研究院 | Single-input double-output transmission switching mechanism |
| CN110630703B (en) * | 2019-10-28 | 2024-02-13 | 中国科学院合肥物质科学研究院 | Single-input double-output transmission switching mechanism |
| WO2022152196A1 (en) * | 2021-01-18 | 2022-07-21 | Ningbo Geely Automobile Research & Development Co., Ltd. | A transmission |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205824119U (en) | Double shift fork change speed gear boxes | |
| CN103939536B (en) | Many gear tractors change speed gear box | |
| CN204900693U (en) | Improvement type speed reducer | |
| CN102490061B (en) | Planetary speed changing device for machine tool spindle | |
| CN204413719U (en) | Numerical control double-column vertical turn-milling complex machining center C axis mechanical drive structure | |
| CN103511560A (en) | Mechanical automatic speed changing box of electric motor coach | |
| CN202578680U (en) | Coal cutter rocker and coal cutter | |
| CN202641358U (en) | Parallel hybrid power transmission system utilizing synchronous belt coupling power | |
| CN102172842A (en) | Gearbox capable of changing one input into four outputs | |
| CN210281926U (en) | Grinder reversing gear box structure driven by handle | |
| CN208669967U (en) | Uniaxial drive twin shaft exports three speed ratio speed reducers | |
| CN204878545U (en) | Improvement type motor reducer | |
| CN202742122U (en) | Transmission box of vertical lathe | |
| CN209164494U (en) | A kind of The gear deceleration drive wheel mechanism | |
| CN203253935U (en) | Horizontal-vertical integrated type spindle box | |
| CN201711796U (en) | Planing and milling machine tool gearbox | |
| CN206031038U (en) | A drive module for electric motor car | |
| CN205991140U (en) | Close-coupled change speed gear box | |
| CN201154442Y (en) | Power transmission mechanism for milling machine and milling-drilling machine | |
| CN203948607U (en) | A kind of lateral gear | |
| CN204755751U (en) | Bevel gear speed reducer with jump ring | |
| CN208503372U (en) | A kind of big center is away from gear reduction unit | |
| CN204755787U (en) | Gear box | |
| CN204533496U (en) | Transfer gear in a kind of reduction gear box | |
| CN203654364U (en) | Electric excavator speed reducer |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20200622 |