CN209688006U - A kind of gear box of tractor reverses gear switching mechanism - Google Patents
A kind of gear box of tractor reverses gear switching mechanism Download PDFInfo
- Publication number
- CN209688006U CN209688006U CN201920031818.8U CN201920031818U CN209688006U CN 209688006 U CN209688006 U CN 209688006U CN 201920031818 U CN201920031818 U CN 201920031818U CN 209688006 U CN209688006 U CN 209688006U
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- China
- Prior art keywords
- gear
- round
- switching mechanism
- reverses
- pinion frame
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Abstract
It reverses gear switching mechanism the utility model discloses a kind of gear box of tractor, including planetary gear set, inverter, manipulation device, the planetary gear set is two-row planetary gear, its structure includes gear ring, sun gear, outer planet round, inner planets round and pinion frame, the inverter includes fixed gear and reversing cover, the manipulation device includes power input shaft and control stick, the pinion frame and exterior epicyclic gear, inner planet gear is connected, the fixed gear with pinion frame is embedded is fixedly connected, the power input shaft is fixedly connected with sun gear, the reversing cover by spline can left-right movable type be mounted on power input shaft, the control stick is fixedly connected with reversing cover.The utility model changes traditional tractor and reverses gear arrangement, the working principle matched using two-row planetary gear group with inverter, realizes that forward gear is identical as backward gear number, and overall structure is simple, it is easily operated, it can conveniently realize the switching in direction of reversing gear.
Description
Technical field
It reverses gear switching the utility model relates to tractor transmission system technical field more particularly to a kind of gear box of tractor
Mechanism.
Background technique
With agrotechnical rapid advances, extraordinary agricultural machinery and implement are stepped up, and are proposed to the performance of tractor higher and higher
Requirement, with forward gear and the deep welcome and favor by agricultural machinery user of the equal number of shuttle-type gear tractor of backward gear.
Most of tractor reverse gear mechanisms are arranged in secondary speed change position in the prior art, are made of driving gear, idle pulley, driven gear,
Idle pulley is arranged in gearbox side.Since idle pulley occupies a gear positions of secondary speed change, gearbox totality gear will be realized
Forward gear is identical as backward gear more difficult.
Utility model content
In view of the problems of the existing technology, the utility model aim is to provide a kind of gear box of tractor and reverses gear switching machine
Structure changes traditional tractor and reverses gear arrangement, and overall structure is simple, easy to operate, can fast implement direction switching.
To realize the above-mentioned technical purpose, technical solution adopted in the utility model is: a kind of gear box of tractor reverses gear
Switching mechanism, including planetary gear set, inverter, manipulation device, the planetary gear set are two-row planetary gear, structure packet
Gear ring, sun gear, outer planet round, inner planets round and pinion frame are included, the inverter includes fixing gear and reversing cover,
The manipulation device includes power input shaft and control stick, and the pinion frame is connected with exterior epicyclic gear, inner planet gear
Connect, the fixed gear with pinion frame is embedded is fixedly connected, the power input shaft is fixedly connected with sun gear, described
Reversing cover by spline can left-right movable type be mounted on power input shaft, the control stick is fixedly connected with reversing cover.
Further, the gear ring is stationary structure.
Further, the outer planet round is meshed with gear ring, and inner planets round is meshed with sun gear.
Further, axis hole corresponding with outer planet round, inner planets round, the axis hole are provided on the pinion frame
Setting installation planet wheel spindle, the planet wheel spindle are connected with outer planet round, inner planets round.
Further, ribs is provided on the planetary wheel carrier.
Further, the tumbler gear being meshed with fixed gear is provided on the reversing cover, the tumbler gear exists
Under the control of control stick can be achieved with fixation gear separation or engage.
Further, the power input shaft is consistent with the direction of rotation of planetary gear set.
Further, pinion frame rotation, the planetary gear are driven after the tumbler gear and fixed gear engagement
The direction of rotation of frame is opposite with the direction of rotation of outer planet round and gear ring engagement, inner planets round and sun gear engagement.
The beneficial effects of the utility model are:
By using above-mentioned technical proposal, the utility model changes traditional tractor and reverses gear arrangement, and use is double
The working principle that planetary gear set is matched with inverter, realizes that forward gear is identical as backward gear number, and overall structure is simple,
It is easily operated, it can conveniently realize the switching in direction of reversing gear.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the planetary gear set structural schematic diagram of the utility model；
Fig. 3 is the inverter structure schematic diagram of the utility model；
Fig. 4 is the pinion frame structural schematic diagram of the utility model
Fig. 5 is the control stick side structure schematic diagram of the utility model；
In figure: the fixed gear of 1- gear ring, 2- sun gear, 3- outer planet round, 4- inner planets round, 5- pinion frame, 6-,
7- reversing cover, 8- power input shaft, 9- control stick, 10- axis hole, 11- planet wheel spindle, 12- ribs, 13- tumbler gear.
Specific embodiment
To make technological means of the utility model, creation characteristic, reaching purpose and effect is more clear and is easy to
Solution, the present invention will be further described in the following with reference to the drawings and specific embodiments.
Referring to Fig.1 shown in -5, a kind of gear box of tractor provided by the utility model reverses gear switching mechanism, and feature exists
In: including planetary gear set, inverter, manipulation device, the planetary gear set is two-row planetary gear, and structure includes gear ring
1, sun gear 2, outer planet round 3, inner planets round 4 and pinion frame 5, the inverter include fixed gear 6 and reversing cover
7, the manipulation device includes power input shaft 8 and control stick 9, the pinion frame 5 and exterior epicyclic gear 3, inner planet tooth
Wheel 4 is connected, the fixed gear 6 with pinion frame 5 is embedded is fixedly connected, the power input shaft 8 is consolidated with sun gear 2
Fixed connection, the reversing cover 7 by spline can left-right movable type be mounted on power input shaft 8, the control stick 9 and commutation
Set 7 is fixedly connected.
The gear ring 1 is stationary structure.
The outer planet round 3 is meshed with gear ring 1, and inner planets round 4 is meshed with sun gear 2.
Axis hole 10 corresponding with outer planet round 3, inner planets round 4 is provided on the pinion frame 5, which sets
Installation planet wheel spindle 11 is set, the planet wheel spindle 11 is connected with outer planet round 3, inner planets round 4.
Ribs 12 is provided on the planetary wheel carrier 5.
The tumbler gear 13 being meshed with fixed gear is provided on the reversing cover 7, the tumbler gear 13 is manipulating
Under the control of bar 9 can be achieved with fixation gear 6 separation or engage.
The power input shaft 8 is consistent with the direction of rotation of planetary gear set.
The tumbler gear 13 and fixed gear 6 drive pinion frame 5 to rotate after engaging, the pinion frame 5
Direction of rotation is opposite with the direction of rotation that outer planet round 3 and the engagement of gear ring 1, inner planets round 4 and sun gear 2 engage.
Embodiment
Control stick 9 is directly fixedly linked with reversing cover 7, reversing cover 7 by spline can left-right movable type be mounted on input
On axis 8, reversing cover 7 is equipped with tumbler gear 13, and tumbler gear 13 can be achieved and fixed gear 6 under the control of control stick 9
Separation or engagement, fixed gear 6 and the embedded connection of pinion frame 5, pinion frame 5 and outer planet round 3, inner planets round 4
It is connected, outer planet round 3 is meshed with gear ring 1, and inner planets round 4 is meshed with sun gear 2.The power in tractor normally travel
Input shaft 8 is consistent with the direction of rotation of planetary gear set, and the dynamic reversing cover 7 of pushing belt moves right control stick 9 to the right, tumbler gear 13
It is meshed with fixed gear 13, the power opposite with power input shaft is inputted to pinion frame 5, in the work of pinion frame 5
Under, drives outer planet round 3, inner planets round 4 to overturn, so that tractor is fallen back traveling, reverse gear to realize gear box of tractor
Be switched fast.
The above is only the preferred embodiment of the utility model, does not do any restrictions, all bases to the utility model
Any change that the mentality of designing of technical solutions of the utility model is made, should be included in the protection scope of the utility model it
It is interior.
Claims (8)
- The switching mechanism 1. a kind of gear box of tractor reverses gear, including planetary gear set, inverter, manipulation device, it is characterised in that: The planetary gear set is two-row planetary gear, and structure includes gear ring, sun gear, outer planet round, inner planets round and planet Tooth rest, the inverter include fixed gear and reversing cover, and the manipulation device includes power input shaft and control stick, described Pinion frame is connected with exterior epicyclic gear, inner planet gear, and the fixed gear and the embedded fixation of pinion frame are even Connect, the power input shaft is fixedly connected with sun gear, the reversing cover by spline can left-right movable type be mounted on power On input shaft, the control stick is fixedly connected with reversing cover.
- The switching mechanism 2. gear box of tractor according to claim 1 reverses gear, it is characterised in that: the gear ring is fixed Structure.
- The switching mechanism 3. gear box of tractor according to claim 1 reverses gear, it is characterised in that: the outer planet round and tooth Circle is meshed, and inner planets round is meshed with sun gear.
- The switching mechanism 4. gear box of tractor according to claim 1 reverses gear, it is characterised in that: on the pinion frame It is provided with axis hole corresponding with outer planet round, inner planets round, axis hole setting installation planet wheel spindle, the planet wheel spindle and outer Planetary gear, inner planets round are connected.
- The switching mechanism 5. gear box of tractor according to claim 1 reverses gear, it is characterised in that: set on the planetary wheel carrier It is equipped with ribs.
- The switching mechanism 6. gear box of tractor according to claim 1 reverses gear, it is characterised in that: be arranged on the reversing cover There is the tumbler gear being meshed with fixed gear, point with fixed gear can be achieved in the tumbler gear under the control of control stick From or engagement.
- The switching mechanism 7. gear box of tractor according to claim 1 reverses gear, it is characterised in that: the power input shaft with The direction of rotation of planetary gear set is consistent.
- The switching mechanism 8. gear box of tractor according to claim 6 reverses gear, it is characterised in that: the tumbler gear and solid Pinion frame rotation is driven after fixed gear engagement, the direction of rotation of the pinion frame engages with outer planet round and gear ring, The direction of rotation of inner planets round and sun gear engagement is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920031818.8U CN209688006U (en) | 2019-01-08 | 2019-01-08 | A kind of gear box of tractor reverses gear switching mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920031818.8U CN209688006U (en) | 2019-01-08 | 2019-01-08 | A kind of gear box of tractor reverses gear switching mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209688006U true CN209688006U (en) | 2019-11-26 |
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ID=68598608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920031818.8U Active CN209688006U (en) | 2019-01-08 | 2019-01-08 | A kind of gear box of tractor reverses gear switching mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN209688006U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417977A (en) * | 2021-05-31 | 2021-09-21 | 东风商用车有限公司 | Gearbox structure of reversing gear |
-
2019
- 2019-01-08 CN CN201920031818.8U patent/CN209688006U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417977A (en) * | 2021-05-31 | 2021-09-21 | 东风商用车有限公司 | Gearbox structure of reversing gear |
| CN113417977B (en) * | 2021-05-31 | 2022-12-23 | 东风商用车有限公司 | Gearbox structure of reversing gear |
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