CN205859058U - A kind of hillside tractor gearshift - Google Patents
A kind of hillside tractor gearshift Download PDFInfo
- Publication number
- CN205859058U CN205859058U CN201620838730.3U CN201620838730U CN205859058U CN 205859058 U CN205859058 U CN 205859058U CN 201620838730 U CN201620838730 U CN 201620838730U CN 205859058 U CN205859058 U CN 205859058U
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- driving member
- shaft
- power shaft
- block set
- housing
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Abstract
This utility model provides a kind of hillside tractor gearshift, belongs to gearshift technical field.Input unit includes the coaxial and power shaft of synchronous axial system setting and the first driving member, and power shaft rotational support is in housing；Output unit includes output shaft and the second driving member being coaxially disposed, and output shaft rotation is supported in housing, the axis of output shaft and the dead in line of power shaft；Commutation portion includes jackshaft, the 3rd driving member, idler shaft and the 4th driving member, and jackshaft is connected with housing into rotation, and the 3rd driving member is coaxially disposed with jackshaft；4th driving member is rotated by idler shaft and is arranged in housing, and the first driving member, the 3rd driving member, the 4th driving member and the transmission successively of the second driving member coordinate；Connecting portion includes block set and engaging sleeve, and block set is fixedly installed on one end of the close power shaft of output shaft, and engaging sleeve slip cap is located at outside block set and makes block set and the first driving member or the second driving member synchronous axial system.Its compact conformation, easy to operate, working performance is high.
Description
Technical field
This utility model relates to gearshift technical field, in particular to a kind of hillside tractor gearshift.
Background technology
In the Hills of China, because natural conditions limit, agricultural production soil field is less, irregular, have the gradient,
Tractor wears agricultural machinery and implement when carrying out farmland operation, and inconvenience is turned, it is often necessary to after tractor set operation, and return of moveing backward is former
Place, is further continued for operation.Existing gearshift is operated by multiple handles, and shift gears after speed, output all
Change, it is impossible to meet and use requirement.
Utility model content
The purpose of this utility model embodiment is to provide a kind of hillside tractor gearshift, makes the problems referred to above be changed
Kind.
Embodiment of the present utility model is achieved in that
Embodiment of the present utility model provides a kind of hillside tractor gearshift, including housing, input unit, output
Portion, commutation portion and connecting portion；Described input unit includes the coaxial and power shaft of synchronous axial system setting and the first driving member, described defeated
Enter axle rotational support in described housing；Described output unit includes output shaft and the second driving member being coaxially disposed, described output shaft
Rotational support is in the dead in line of described housing, the axis of described output shaft and described power shaft；Described commutation portion includes centre
Axle, the 3rd driving member, idler shaft and the 4th driving member, described jackshaft is connected with described housing into rotation, the axle of described jackshaft
The axis of line, the axis of described idler shaft and described power shaft is parallel to each other, and described 3rd driving member is coaxial with described jackshaft
Arrange；Described 4th driving member is rotated by described idler shaft and is arranged in described housing, described first driving member, the described 3rd
Driving member, described 4th driving member and described second driving member transmission successively coordinate；Described connecting portion includes block set and engaging sleeve,
Described block set is fixedly installed on one end of the close described power shaft of described output shaft, and described engaging sleeve slip cap is located at described set
Outside Zuo and make described block set and described first driving member or described second driving member synchronous axial system.
Optionally, described first driving member, described second driving member are gear, described first driving member and described input
Axle key connects, and described second driving member is located at described output shaft by bearing turning set；Described 3rd driving member is duplicate gear,
Described duplicate gear is located at described jackshaft by bearing turning set；Described 4th driving member is idle pulley, and described idle pulley passes through axle
Forward to move and be sheathed on described idler shaft；A gear in described duplicate gear engages with described first driving member, described duplex
Another gear in gear engages with described idle pulley, and described idle pulley also engages with described second driving member.
Optionally, described power shaft, described output shaft, described jackshaft all by bearing rotational support in described housing.
Optionally, shift fork axle is also included and for the shift fork promoting described engaging sleeve to move, described shift fork axle and described shell
Body is fixing to be connected, and one end of described shift fork and described engaging sleeve clamping, the other end of described shift fork is sheathed on described shift fork axle.
Optionally, described block set is connected with described engaging sleeve spline.
Optionally, described first driving member be positioned at described power shaft close described block set one end and with described power shaft
Spline connects.
Optionally, the side of the close described block set of described first driving member is provided with first annular protuberance, and described first
Annular protrusion is connected with described engaging sleeve spline.
Optionally, described second driving member is positioned at the side away from described power shaft of described block set.
Optionally, the side of the close described block set of described second driving member is provided with the second annular protrusion, and described second
Annular protrusion is connected with described engaging sleeve spline.
Optionally, it is additionally provided with lining between bearing and the described power shaft at described second driving member.
Embodiment of the present utility model has the advantages that
The hillside tractor gearshift compact conformation that this utility model provides, increases even between input unit and output unit
Meeting portion, connecting portion can connect input unit and output unit so that input unit directly drives output unit synchronous axial system, and connecting portion also may be used
To disconnect input unit and output unit so that input unit can not directly drive output unit to rotate.Between input unit and output unit also
Commutation portion can be increased, for changing turning to of output unit.The hillside tractor gearshift operation side that this utility model provides
Just, it is possible to by the manipulation of a handle, can be achieved with the forward or reverse of output unit, simultaneously after commutation, output unit can also
Keep the rotating speed before commutation, thus realize tractor and advance and reversing, ensure that tractor advances identical with back-up speed, greatly simultaneously
Improve greatly the working performance of tractor.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, will use required in embodiment below
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiment of the present utility model, the most should be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other relevant accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of sectional view of hillside tractor gearshift of the present utility model；
Fig. 2 is this shell structure schematic diagram；
Fig. 3 is the internal part structural representation of the housing of hillside tractor gearshift of the present utility model；
Fig. 4 is connecting portion structural representation；
Fig. 5 is the another kind of sectional view of hillside tractor gearshift of the present utility model.
In figure, reference is:
Housing 101, shift fork axle 102, shift fork 103；
Input unit 20, power shaft the 201, first driving member 202, first annular protuberance 203；
Output unit 30, output shaft the 301, second driving member the 302, second annular protrusion 303, lining 304；
Commutation portion 40, jackshaft the 401, the 3rd driving member 402, idler shaft the 403, the 4th driving member 404；
Connecting portion 50, block set 501, engaging sleeve 502, cannelure 503.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described the technical scheme in this utility model embodiment, it is clear that retouched
The embodiment stated is a part of embodiment of this utility model rather than whole embodiments.Generally described in the accompanying drawing herein and
The assembly of this utility model embodiment illustrated can be arranged with various different configurations and design.
Therefore, below the detailed description of the embodiment of the present utility model provided in the accompanying drawings is not intended to limit requirement
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in this utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all
Belong to the scope of this utility model protection.
It should be noted that in the case of not conflicting, the embodiment in this utility model and the feature in embodiment can
To be mutually combined.
It should also be noted that similar label and letter represent similar terms, therefore, the most a certain Xiang Yi in following accompanying drawing
Individual accompanying drawing is defined, then need not it be defined further and explains in accompanying drawing subsequently.
In description of the present utility model, it should be noted that term " parallel " is it is not intended that absolute parallel, it is understood that
For substantially parallel.
Describe additionally, term " first ", " second ", " the 3rd " etc. are only used for distinguishing, and it is not intended that indicate or hint
Relative importance.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " sets
Put ", should be interpreted broadly " installation ", " connection ", connect for example, it may be fixing, it is also possible to be to removably connect, or integratedly
Connect；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Language concrete meaning in this utility model.
Embodiment:
With reference to shown in Fig. 1, this utility model embodiment provides a kind of hillside tractor gearshift, including housing 101,
Input unit 20, output unit 30, commutation portion 40, connecting portion 50, shift fork axle 102 and shift fork 103.
With reference to shown in Fig. 2, housing 101 can be one-body molded, is provided with cavity in housing 101, and housing 101 is mainly used in
Miscellaneous part is supported.
With reference to shown in Fig. 3, input unit 20 includes power shaft 201 and the first driving member 202, and the first driving member 202 is gear.
First driving member 202 and power shaft 201 be coaxially disposed and can synchronous axial system, the first driving member 202 is positioned at the one of power shaft 201
End, the first transmission can realize location by arranging axle sleeve on power shaft 201 on the axial direction of power shaft 201.The
One driving member 202 and power shaft 201 can be that spline is connected and realizes synchronous axial system, it is also possible to be to be connected by flat key to realize synchronizing
Rotate, it is also possible to be that the first driving member 202 realizes synchronous axial system with power shaft 201 interference fit.The present embodiment preferably first passes
Moving part 202 is connected with power shaft 201 spline, and spline bonding strength is good, it is possible to bear bigger load.
The side of the first driving member 202 is additionally provided with first annular protuberance 203, the excircle of first annular protuberance 203
Face is provided with spline.
Output unit 30 includes output shaft 301 and the second driving member 302, and the second driving member 302 is gear.Second driving member
302 are coaxially disposed with output shaft 301, and the second driving member 302 can be located on output shaft 301 by bearing holder (housing, cover), right in order to reduce
The abrasion of output shaft 301, and also to easy disassembly, replacing, it is also possible to arranging lining 304 on output shaft 301, second passes
Moving part 302 is located at outside lining 304 by bearing holder (housing, cover).Second transmission can be by defeated on the axial direction of output shaft 301
Axle sleeve is set on shaft 301 and realizes location.
The side of the second driving member 302 is additionally provided with the second annular protrusion 303, the excircle of the second annular protrusion 303
Face is provided with spline.
Commutation portion 40 includes jackshaft the 401, the 3rd driving member 402, idler shaft 403 and the 4th driving member 404, the 3rd transmission
Part 402 is duplicate gear, and the 4th driving member 404 is idle pulley, and the axis of jackshaft 401 and the axis of idler shaft 403 are parallel to each other.
3rd driving member 402 is coaxially disposed with jackshaft 401, and the 3rd driving member 402 can be located at centre by bearing holder (housing, cover)
On axle 401, the 3rd driving member 402 can rotate relative to jackshaft 401.
4th driving member 404 is coaxially disposed with idler shaft 403, and the 4th driving member 404 can be located at idle pulley by bearing holder (housing, cover)
On axle 403, certain 4th driving member 404 can also be bonded with idler shaft 403, and the gear and the 4th in duplicate gear passes
Moving part 404 transmission coordinates.
With reference to shown in Fig. 4, connecting portion 50 includes that block set 501 and engaging sleeve 502, engaging sleeve 502 slip cap are located at block set 501
Outside, the outer circumference surface of engaging sleeve 502 is provided with cannelure 503.
With reference to shown in Fig. 1 and Fig. 5, input unit 20, output unit 30, commutation portion 40 and connecting portion 50 are all disposed within housing 101
Inside, the cavity within housing 101 is in the environment of an opposing seal, the most preferably ensure that each parts and external environment condition
Isolation, avoids the external environment condition impact on each parts, it is ensured that run more smooth and easy, safety as far as possible.
Power shaft 201 rotational support is in housing 101, in order to improve transmission efficiency, reduce power shaft 201 and housing 101 it
Between friction, power shaft 201 can by clutch shaft bearing rotational support in housing 101, the quantity of clutch shaft bearing is two, two
Clutch shaft bearing is coaxially disposed with power shaft 201, and two clutch shaft bearings are positioned at the same side of the first driving member 202.Certainly, the first axle
The quantity held can also be three or more than three, and multiple clutch shaft bearings are all coaxially disposed with power shaft 201.Clutch shaft bearing is permissible
For rolling bearing or sliding bearing, the present embodiment clutch shaft bearing is rolling bearing, the inner ring of clutch shaft bearing and power shaft 201 interference
Coordinate so that the inner ring of clutch shaft bearing can be with power shaft 201 synchronous axial system.
Output shaft 301 rotational support is in housing 101, in order to improve transmission efficiency, reduce output shaft 301 and housing 101 it
Between friction, output shaft 301 can by the second bearing rotational support in housing 101, the quantity of the second bearing is two, two
Second bearing is coaxially disposed with power shaft 201, and two the second bearings are positioned at the same side of the second driving member 302.Certainly, the second axle
The quantity held can also be three or more than three, and multiple second bearings are all coaxially disposed with power shaft 201.Second bearing is permissible
For rolling bearing or sliding bearing, the present embodiment the second bearing is rolling bearing, the inner ring of the second bearing and power shaft 201 interference
Coordinate so that the inner ring of the second bearing can be with power shaft 201 synchronous axial system.
The axis of output shaft 301 and the dead in line of power shaft 201.Output shaft 301 is provided with first near power shaft 201
One end of driving member 202.
Connecting portion 50 is arranged on output shaft 301 and is positioned at the side of close power shaft 201 of the second driving member 302, set
Seat 501 and output shaft 301 can synchronous axial system, block set 501 and output shaft 301 can be that spline is connected and realizes synchronous axial system, also
Can be connected by flat key and realize synchronous axial system, it is also possible to be that block set 501 realizes synchronous axial system with output shaft 301 interference fit,
The preferred block set of the present embodiment 501 is connected with output shaft 301 spline.
3rd driving member 402 is internal in housing 101 by jackshaft 401 rotational support, jackshaft 401 and housing 101 turns
Being dynamically connected, in order to improve transmission efficiency, reduce the friction between jackshaft 401 and housing 101, jackshaft 401 can be by the
Three bearing rotational support are two in housing 101, the quantity of the 3rd bearing, and two the 3rd bearings are coaxially disposed with jackshaft 401,
Two the 3rd bearings lay respectively at the both sides of the 3rd driving member 402.Certainly, two the 3rd bearings can also be positioned at the 3rd driving member
The same side of 402, the quantity of the 3rd bearing can also be three or more than three, and multiple 3rd bearings are all same with jackshaft 401
Axle is arranged.3rd bearing can be rolling bearing or sliding bearing, and the present embodiment the 3rd bearing is rolling bearing, the 3rd bearing
Inner ring and jackshaft 401 interference fit so that the inner ring of the 3rd bearing can be with jackshaft 401 synchronous axial system.
4th driving member 404 is rotated by idler shaft 403 and is arranged in housing 101, and idler shaft 403 can be with housing 101
Fixing connection, now the 4th driving member 404 is rotationally connected with idler shaft 403, and the 4th driving member 404 can be located at by bearing holder (housing, cover)
On idler shaft 403.Certain 4th driving member 404 and idler shaft 403 can also be bonded or fixing connection realize synchronous axial system, this
Time idler shaft 403 rotational support in housing 101.
The axis of the axis of jackshaft 401, the axis of idler shaft 403 and axle is parallel to each other, the first driving member the 202, the 3rd
Driving member the 402, the 4th driving member 404 and the second driving member 302 transmission successively coordinate the transmission realizing power.In the present embodiment
Three driving members 402 are duplicate gear, and one of them gear of duplicate gear and the first driving member 202 transmission coordinate, duplicate gear
Another gear and the 4th driving member 404 transmission coordinate, the 4th driving member 404 coordinates with the second driving member 302 transmission.
Shift fork axle 102 is fixing with housing 101 to be connected, and one end of shift fork 103 and engaging sleeve 502 clamping, shift fork 103 is fastened on
In the cannelure 503 of engaging sleeve 502, the other end of shift fork 103 is sheathed on shift fork axle 102.Shift fork 103 can drive engaging sleeve
502 along block set 501 axis direction slide.When promoting engaging sleeve 502 to slide to the first driving member 202, engaging sleeve 502 can be with
First annular protuberance 203 spline of the first driving member 202 connects, with block set 501 and the first driving member while of engaging sleeve 502
First annular protuberance 203 spline of 202 connects, so that block set 501 and the first driving member 202 realize synchronous axial system, block set
501 drive output shaft 301 identical with power shaft 201 synchronous axial system and rotation direction.When promoting engaging sleeve 502 to the second driving member
302 slide, and engaging sleeve 502 can be connected with the second annular protrusion 303 spline of the second driving member 302, and engaging sleeve 502 is simultaneously
It is connected with the second annular protrusion 303 spline of block set 501 and the second driving member 302, so that the second driving member 302 and block set
501 can synchronous axial system, block set 501 also drives output shaft 301 and the second driving member 302 synchronous axial system, now output shaft 301 with
Power shaft 201 disconnects, and power shaft 201 drives the first driving member 202 to rotate, and the first driving member 202 drives the 3rd driving member 402 turns
Dynamic, the 3rd driving member 402 drives the 4th driving member 404 to rotate, and the 4th driving member 404 drives the second driving member 302 to rotate, and second
Driving member 302 drives output shaft 301 to rotate, and now output shaft 301 is contrary with power shaft 201 rotation direction.
It should be noted that duplicate gear simply plays the effect of transmission power, it is also possible to fix on jackshaft 401 and set
Put two independent driving members and join with jackshaft 401 synchronous axial system, one of them driving member and the first driving member 202 transmission
Closing, another driving member and the 4th driving member 404 transmission coordinate.
The operation principle of this utility model embodiment is as follows:
Engaging sleeve 502 can be along the axial direction slip of block set 501 under the effect of shift fork 103.When engaging sleeve 502 to
Sliding and make engaging sleeve 502 be connected with first annular protuberance 203 spline in the direction of the first driving member 202, output shaft 301 is with defeated
Entering axle 201 to connect, power shaft 201 drives the first driving member 202 to rotate, and the first driving member 202 drives output by engaging sleeve 502
Axle 301 rotates, and now output shaft 301 direction of rotation is identical with the direction of rotation of power shaft 201, and hillside tractor advances.Simultaneously
First driving member 202 drives duplicate gear to rotate, and duplicate gear drives idle pulley to rotate, and idle pulley drives the second driving member 302 to dally.
When engaging sleeve 502 being slided to the direction of the second driving member 302 and making engaging sleeve 502 and the second annular protrusion
303 splines connect, and now output shaft 301 disconnects with power shaft 201, and the second driving member 302 can synchronize turn with output shaft 301
Dynamic, power shaft 201 drives the first driving member 202 to rotate, and the first driving member 202 drives duplicate gear to rotate, and duplicate gear drives
Idle pulley rotates, and idle pulley drives the second driving member 302 to rotate, output shaft 301 and the second driving member 302 synchronous axial system, now exports
Axle 301 direction of rotation is contrary with the direction of rotation of power shaft 201, and hillside tractor falls back.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this
For the technical staff in field, this utility model can have various modifications and variations.All in spirit of the present utility model and principle
Within, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (10)
1. a hillside tractor gearshift, it is characterised in that include housing, input unit, output unit, commutation portion and connection
Portion；
Described input unit includes power shaft and the first driving member that coaxial and synchronous axial system arranges, described power shaft rotational support in
Described housing；
Described output unit includes output shaft and the second driving member being coaxially disposed, and described output shaft rotation is supported in described housing,
The axis of described output shaft and the dead in line of described power shaft；
Described commutation portion includes jackshaft, the 3rd driving member, idler shaft and the 4th driving member, and described jackshaft turns with described housing
Being dynamically connected, the axis of the axis of described jackshaft, the axis of described idler shaft and described power shaft is parallel to each other, and the described 3rd passes
Moving part is coaxially disposed with described jackshaft；Described 4th driving member is rotated by described idler shaft and is arranged in described housing, institute
State the first driving member, described 3rd driving member, described 4th driving member and described second driving member transmission successively to coordinate；
Described connecting portion includes that block set and engaging sleeve, described block set are fixedly installed on the close described power shaft of described output shaft
One end, described engaging sleeve slip cap is located at outside described block set and makes described block set to pass with described first driving member or described second
Moving part synchronous axial system.
Hillside tractor gearshift the most according to claim 1, it is characterised in that described first driving member, described
Two driving members are gear, and described first driving member is bonded with described power shaft, and described second driving member is rotated by bearing
It is sheathed on described output shaft；
Described 3rd driving member is duplicate gear, and described duplicate gear is located at described jackshaft by bearing turning set；
Described 4th driving member is idle pulley, and described idle pulley is located at described idler shaft by bearing turning set；
A gear in described duplicate gear engages with described first driving member, another gear in described duplicate gear with
Described idle pulley engages, and described idle pulley also engages with described second driving member.
Hillside tractor gearshift the most according to claim 1, it is characterised in that described power shaft, described output shaft,
Described jackshaft all by bearing rotational support in described housing.
Hillside tractor gearshift the most according to claim 1, it is characterised in that also include shift fork axle and for promoting
The shift fork of described engaging sleeve motion, described shift fork axle is fixing with described housing to be connected, one end of described shift fork and described engaging sleeve
Clamping, the other end of described shift fork is sheathed on described shift fork axle.
Hillside tractor gearshift the most according to claim 1, it is characterised in that described block set and described engaging sleeve flower
Bonded.
Hillside tractor gearshift the most according to claim 2, it is characterised in that described first driving member is positioned at described
One end of the close described block set of power shaft and being connected with described power shaft spline.
Hillside tractor gearshift the most according to claim 6, it is characterised in that the close institute of described first driving member
The side stating block set is provided with first annular protuberance, and described first annular protuberance is connected with described engaging sleeve spline.
Hillside tractor gearshift the most according to claim 2, it is characterised in that described second driving member is positioned at described
The side away from described power shaft of block set.
Hillside tractor gearshift the most according to claim 8, it is characterised in that the close institute of described second driving member
The side stating block set is provided with the second annular protrusion, and described second annular protrusion is connected with described engaging sleeve spline.
Hillside tractor gearshift the most according to claim 2, it is characterised in that the axle at described second driving member
Hold and be additionally provided with lining between described power shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620838730.3U CN205859058U (en) | 2016-08-04 | 2016-08-04 | A kind of hillside tractor gearshift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620838730.3U CN205859058U (en) | 2016-08-04 | 2016-08-04 | A kind of hillside tractor gearshift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205859058U true CN205859058U (en) | 2017-01-04 |
Family
ID=57657856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620838730.3U Active CN205859058U (en) | 2016-08-04 | 2016-08-04 | A kind of hillside tractor gearshift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205859058U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090145A (en) * | 2016-08-04 | 2016-11-09 | 四川川龙拖拉机制造有限公司 | A kind of hillside tractor gearshift |
-
2016
- 2016-08-04 CN CN201620838730.3U patent/CN205859058U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090145A (en) * | 2016-08-04 | 2016-11-09 | 四川川龙拖拉机制造有限公司 | A kind of hillside tractor gearshift |
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