CN105757191B - A kind of used with tractor gear - Google Patents
A kind of used with tractor gear Download PDFInfo
- Publication number
- CN105757191B CN105757191B CN201610187862.9A CN201610187862A CN105757191B CN 105757191 B CN105757191 B CN 105757191B CN 201610187862 A CN201610187862 A CN 201610187862A CN 105757191 B CN105757191 B CN 105757191B
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- CN
- China
- Prior art keywords
- gear
- assembly
- calipers
- clamp
- calipers assembly
- 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.)
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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
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/78—Special adaptation of synchronisation mechanisms to these gearings
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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
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H57/082—Planet carriers
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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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
-
- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H2063/3076—Selector shaft assembly, e.g. supporting, assembly or manufacturing of selector or shift shafts; Special details thereof
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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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
A kind of used with tractor gear of the present invention, it is characterised in that：Including housing, input shaft, output shaft, clamp axle, shift bar, calipers assembly and planet carrier assembly, the input shaft and the output shaft are rotationally connected with the housing respectively, and the input shaft drives the output shaft rotation, the planet carrier assembly is arranged on the outside of the input shaft, for controlling the rotating speed of the input shaft, the clamp axle is fixed on the housing, and the calipers assembly is rotationally connected with the clamp axle.Solves problem present in current shifting mechanism, there is provided a kind of simple in construction, the stable gear of gear shift.
Description
Technical field
The present invention relates to mechanical transmission fields, and in particular to a kind of gear used in tractor transmission.
Background technology
At present, wide variety of gear is mechanical transmission in tractor, and generally, this kind of speed changer can divide
For two-axis manual transmission and middle shaft type manual transmission, it is substantially the same in structure, employs the mode of shift fork
Promote driving gear and driven gear to be engaged, realize gear shift.But all there are some shortcomings in this kind of speed changer：(1) changed
The influence of shelves shift fork arrangement, numbers of gear steps are restricted；(2) gearshift mechanism is complicated, and cost is high；(3) gear shift is unstable, easily jumps
Shelves are out of supply.
Meanwhile in gear shifting structure, smoothly reduce shifting shock to shift gears, gearshift mechanism is typically mounted with synchronizer.Extensively
The general synchronizer used has lock ring type inertia synchronizer and lockpin-type inertia synchronizer, but synchronizer all has some shortcomings：
(1) synchronizer structure is complicated, and cost is high；(2) easily abrasion, stress is easily damaged in gearshift.
Therefore, how tractor gear is improved make its overcome disadvantages mentioned above be those skilled in the art urgently
The problem solved.
The content of the invention
It is a primary object of the present invention to solve problem present in current shifting mechanism, there is provided a kind of structure letter
It is single, the stable gear of gear shift.
To achieve the above objectives, the technical solution adopted by the present invention is：A kind of used with tractor gear, its feature exist
In：Including housing, input shaft, output shaft, clamp axle, shift bar, calipers assembly and planet carrier assembly, the input shaft and described
Output shaft is rotationally connected with the housing respectively, and the input shaft drives the output shaft rotation, the planet carrier assembly
It is arranged on the outside of the input shaft, for controlling the rotating speed of the input shaft, the clamp axle is fixed on the housing, described
Calipers assembly is rotationally connected with the clamp axle；The planet carrier assembly includes planet carrier, multi gear gear ring and multi gear planetary gear,
The planetary gear is rotationally connected with the planet carrier, and gear ring described in multi gear is engaged with planetary gear described in multi gear respectively；Institute
State calipers assembly to be installed on the outside of each shelves gear ring, and the calipers assembly is oppositely arranged on the gear ring both sides, every grade of institute
State gear ring and coordinate a pair of calipers assemblies；The gear level is arranged between the calipers assembly being oppositely arranged, for controlling
The release and locking of calipers assembly described in each pair processed.Calipers assembly rotates around clamp axle, by the drive of shift bar, similar to same
Walk device function, calipers assembly can with gear ring friction and locking make gear ring stop operating, after the gear ring of corresponding gear stops operating,
Planet carrier assembly has obtained the fixed rotating speed of corresponding gear, drives output shaft rotation.
Preferably, the gear level is provided with cam structure, the gear level can circumferentially rotate, and make the cam
The calipers assembly of form touch both sides, realize the release and locking of the calipers assembly；The gear level can be in axial direction
Slide, the cam structure is moved to the calipers assembly of different stalls, realize that the clamp of contact respective notch are total
Into.Using the shift bar of cam structure, break current fork type gearshift mechanism, gear shift is unsophisticated, and operating personnel grasp fast
It is prompt.
Specifically, the calipers assembly includes caliper body, clamp slide rail, friction plate, locking jump ring, adjustable spring and reset
Spring, the clamp slide rail is telescopic to be connected on the caliper body, and is set between the clamp slide rail and the caliper body
Adjustable spring is equipped with, the clamp slide rail is installed on the caliper body by the locking jump ring；The friction plate, which slides, to be connected
It is connected on the clamp slide rail；The back-moving spring is arranged between calipers assembly described in each pair.
As an improvement, the friction plate both sides are provided with neck, it is provided with what is coordinated with the neck on the caliper body
The cooperation of bayonet lock, the neck and the bayonet lock is used to limit sliding distance of the friction plate on the clamp slide rail.
Preferably, the input shaft middle part is provided with the Cylinder Gear engaged with each shelves planetary gear.
Preferably, the gear ring is four, and respectively one grade of gear ring, two grades of gear rings, third gear gear ring and fourth gear gear ring, institute
It is also four groups to state planetary gear, respectively one grade of planetary gear, two grades of planetary gears, third gear planetary gear and fourth gear planetary gear, corresponding institute
Calipers assembly is stated as four pairs.
Compared with prior art, the advantage of the invention is that：(1) this gear compact simple in construction, manufacture are held
Easily.(2) this gear uses the shift bar of cam structure, breaks current fork type gearshift mechanism, and gear shift is unsophisticated, behaviour
Make personnel to grasp fast.(3) shift bar of cam structure is used, gear shift layout is unrestricted, can easily set increase more
Gear.(4) shifter does not have to additionally set planet gear reducing mechanism again, is adapted to the application environment of tractor.
In addition, being used for using calipers assembly synchronously compared with existing synchronizer, advantage is：(1) calipers assembly structure letter
Single, production is easy, easy for installation.(2) existing synchronizer and rotating shaft synchronous axial system, and clamp remains stationary at work, reduce
Rotary inertia, reduces gear shifting force, adds gearshift stability.(3) clamp CONTACT WITH FRICTION area is big, and frictional force is big, gearshift
Speed faster, adapts to more high-torque.
Brief description of the drawings
Fig. 1 is dimensional structure diagram according to a preferred embodiment of the present invention；
Fig. 2 is internal structure schematic diagram (not showing housing) according to a preferred embodiment of the present invention；
Fig. 3 is the structural representation of calipers assembly middle according to a preferred embodiment of the present invention；
Fig. 4 is the structural representation of planet carrier assembly middle according to a preferred embodiment of the present invention；
Fig. 5 is the structural representation of input shaft middle according to a preferred embodiment of the present invention；
Fig. 6 is the structural representation of gear level middle according to a preferred embodiment of the present invention；
Fig. 7 be according to a preferred embodiment of the present invention middle calipers assembly releasing orientation when structural representation；
Fig. 8 be according to a preferred embodiment of the present invention middle calipers assembly locking state when structural representation；
Fig. 9 is partial view when calipers assembly middle according to a preferred embodiment of the present invention separates with gear ring；
Figure 10 is partial view when calipers assembly middle according to a preferred embodiment of the present invention contacts with gear ring；
Figure 11 is partial view when calipers assembly middle according to a preferred embodiment of the present invention is locked with gear ring.
Embodiment
Describe to be used to disclose the present invention below so that those skilled in the art can realize the present invention.It is excellent in describing below
Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.
As shown in Fig. 1~11, one embodiment of the present of invention includes housing 1, input shaft 2, output shaft 3, clamp axle 4, changed
Lever 5, calipers assembly 6 and planet carrier assembly 7, input shaft 2 and output shaft 3 are rotationally connected with housing 1 respectively, and input shaft 2
Output shaft 3 is driven to rotate, planet carrier assembly 7 is arranged on the outside of input shaft 2, solid for the rotating speed of control input axle 2, clamp axle 4
Due on housing, calipers assembly 6 is rotationally connected with clamp axle 4.Specifically：
Planet carrier assembly 7 includes planet carrier 71, fourth gear gear ring (is respectively one grade of gear ring 76, two grades of gear rings 77, third gear gear rings
78 and fourth gear gear ring 79) and fourth gear planetary gear (be respectively one grade of planetary gear, 72, two grades of planetary gears 73, third gear planetary gear 74 and four
Shelves planetary gear 75), planetary gear is rotationally connected with planet carrier 71, and every grade of gear ring is engaged with every grade of planetary gear respectively.Clamp
Assembly 6 is installed on the outside of each shelves gear ring, and calipers assembly 6 is oppositely arranged on gear ring both sides, and every grade of gear ring coordinates a pair of clamp total
Into 6.Gear level 5 is arranged between the calipers assembly 6 being oppositely arranged, for controlling the release and locking of each pair calipers assembly 6.
Calipers assembly 6 includes caliper body 61, clamp slide rail 62, friction plate 63, locking jump ring 65, adjustable spring 64 and resetted
Spring 66, clamp slide rail 62 is telescopic to be connected on caliper body 61, and is provided with and is stretched between clamp slide rail 62 and caliper body 61
Contracting spring 64, clamp slide rail 62 are installed on caliper body 61 by locking jump ring 65；Friction plate 63 is slidably connected to clamp slide rail
On 62；Back-moving spring 66 is arranged between each pair calipers assembly 6.The both sides of friction plate 63 are provided with neck 631, are set on caliper body 61
The bayonet lock 611 coordinated with neck 631 is equipped with, the cooperation of neck 631 and bayonet lock 611 is used to limit friction plate 63 in clamp slide rail 62
On sliding distance.
Gear level 5 is provided with cam structure 51, and gear level 5 can circumferentially rotate, and cam structure 51 is contacted both sides
Calipers assembly 6, realize the release and locking of calipers assembly 6；Gear level 5 can slide axially, and be moved to cam structure 51
The calipers assembly 6 of different stalls, realize the calipers assembly 6 of contact respective notch.
The middle part of input shaft 2 is provided with the Cylinder Gear 21 engaged with each shelves planetary gear.
The present invention transmission operation principle be：Input shaft 2 rotates under the drive of power source, passes through the Cylinder Gear 21 of centre
One grade of planetary gear 72, two grades of planetary gears 73, third gear planetary gear 74, fourth gear planetary gears 75 of planet carrier assembly 7 are driven to rotate, in sky
Shelves state, one grade of gear ring, 76, two grades of gear rings 77, third gear gear ring 78, fourth gear gear ring 79 and planet carrier 71 freely rotate.Work as shift bar
5 move axially under gear shift drive mechanism, its cam structure 51 is contacted with calipers assembly 6, this example works as gear shift by taking fourth gear as an example
After the cam structure 51 of bar 5 contacts with fourth gear calipers assembly 6, shift bar 5 is rotated, cam structure 51 drives calipers assembly 6 around card
Pincers axle 4 rotates, and the friction plate 63 of calipers assembly 6 contacts the friction part of fourth gear gear ring 79 at first, and friction plate 63 in clamp due to sliding
Can slidably in rail 62, by the frictional force rotated from fourth gear gear ring 79, friction plate 63 rotates an angle, friction plate
The neck 631 on both sides contacts with two bayonet locks 611 in caliper body 61 in 63, due to a stress angle be present, from caliper body
61 clamping force offsets with the frictional force from fourth gear gear ring 79, and before fourth gear gear ring 79 reaches static, caliper body 61 can not
Pressure, under the frictional force that converts of clamping force of caliper body 61, fourth gear gear ring 79 is rapidly reached static, and now, caliper body 61 exists
Under clamping force effect, bayonet lock 611 enters in neck 631, and caliper body 61 is further depressed, the locking teeth and four at the both ends of caliper body 61
The locking teeth engagement of shelves gear ring 79, fourth gear gear ring 79 is under the limitation of locking teeth, remains stationary, realizes gearshift.
After shift bar 5 turns round, calipers assembly 6 leaves fourth gear gear ring 79, now changed in the presence of back-moving spring 66
For neutral state.Until the cam structure 51 of shift bar 5 continues to act on the calipers assembly 6 on any gear, it is converted into
His gear.After gear shift, planet carrier assembly 7 obtains a fixed rotating speed, and is delivered on output shaft 3.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, that described in above-described embodiment and specification is the present invention
Principle, various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention, these change and
Improvement is both fallen within the range of claimed invention.The protection domain of application claims by appended claims and its
Equivalent defines.
Claims (4)
- A kind of 1. used with tractor gear, it is characterised in that：Including housing, input shaft, output shaft, clamp axle, gear level, Calipers assembly and planet carrier assembly, the input shaft and the output shaft are rotationally connected with the housing respectively, and described defeated Enter axle and drive the output shaft rotation, the planet carrier assembly is arranged on the outside of the input shaft, for controlling the input shaft Rotating speed, the clamp axle is fixed on the housing, and the calipers assembly is rotationally connected with the clamp axle；The planet carrier assembly includes planet carrier, more gear gear rings and keeps off planetary gear more, and the planetary gear is rotationally connected with described On planet carrier, keep off the gear ring more and be engaged respectively with keeping off the planetary gear more；The calipers assembly is installed on each gear institute State on the outside of gear ring, and the calipers assembly is oppositely arranged on the gear ring both sides, often keeps off the gear ring and coordinates a pair of clamp Assembly；The gear level is arranged between the calipers assembly being oppositely arranged, for controlling the pine of calipers assembly described in each pair Open and lock tight；The gear level is provided with cam structure, and the gear level can circumferentially rotate, and makes the cam structure contact both sides The calipers assembly, realize the release and locking of the calipers assembly；The gear level can slide axially, and make described convex Wheel construction is moved to the calipers assembly of different gears, realizes the calipers assembly of the corresponding gear of contact；The calipers assembly includes caliper body, clamp slide rail, friction plate, locking jump ring, adjustable spring and back-moving spring, the card Slide rail is telescopic is connected on the caliper body for pincers, and is provided with flexible bullet between the clamp slide rail and the caliper body Spring, the clamp slide rail are installed on the caliper body by the locking jump ring；The friction plate is slidably connected to the card Clamp on slide rail；The back-moving spring is arranged between calipers assembly described in each pair.
- 2. used with tractor gear according to claim 1, it is characterised in that：The friction plate both sides are provided with card Groove, the bayonet lock coordinated with the neck is provided with the caliper body, and the cooperation of the neck and the bayonet lock is used to limit institute State sliding distance of the friction plate on the clamp slide rail.
- 3. used with tractor gear according to claim 1, it is characterised in that：The input shaft middle part is provided with The Cylinder Gear engaged with each gear planetary gear.
- 4. the used with tractor gear according to claims 1 to 3 any claim, it is characterised in that：The gear ring For four, respectively one gear gear ring, two gear gear rings, three gear gear rings and four gear gear rings, the planetary gear is also four groups, respectively It it is four pairs for a gear planetary gear, two gear planetary gears, three gear planetary gears and four gear planetary gears, the corresponding calipers assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610187862.9A CN105757191B (en) | 2016-03-23 | 2016-03-23 | A kind of used with tractor gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610187862.9A CN105757191B (en) | 2016-03-23 | 2016-03-23 | A kind of used with tractor gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105757191A CN105757191A (en) | 2016-07-13 |
| CN105757191B true CN105757191B (en) | 2018-02-27 |
Family
ID=56345720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610187862.9A Active CN105757191B (en) | 2016-03-23 | 2016-03-23 | A kind of used with tractor gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105757191B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114576322B (en) * | 2022-01-10 | 2022-12-20 | 帕西尼感知科技(深圳)有限公司 | Planetary reducer capable of improving transmission precision |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4141424A (en) * | 1976-09-28 | 1979-02-27 | Kubota Ltd. | Transmission for tractors |
| JP2607996B2 (en) * | 1991-11-01 | 1997-05-07 | 本田技研工業株式会社 | Manual transmission for vehicles |
| CN203431108U (en) * | 2013-03-11 | 2014-02-12 | 邹德木 | Combined type planetary gear set gearbox |
| CN204096983U (en) * | 2014-07-14 | 2015-01-14 | 徐州五洋科技股份有限公司 | Winch double-speed speed change gear |
| CN204061754U (en) * | 2014-07-30 | 2014-12-31 | 任丕 | Three gear diaxon shift speed change mechanisms |
-
2016
- 2016-03-23 CN CN201610187862.9A patent/CN105757191B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105757191A (en) | 2016-07-13 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A transmission mechanism for tractors Effective date of registration: 20221205 Granted publication date: 20180227 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Ningbo Yuyao sub branch Pledgor: NINGBO BEIYE TRACTOR MANUFACTURING CO.,LTD. Registration number: Y2022330003491 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |