CN203142784U - Running transmission gear of differential type track combine-harvester - Google Patents
Running transmission gear of differential type track combine-harvester Download PDFInfo
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- CN203142784U CN203142784U CN 201320140180 CN201320140180U CN203142784U CN 203142784 U CN203142784 U CN 203142784U CN 201320140180 CN201320140180 CN 201320140180 CN 201320140180 U CN201320140180 U CN 201320140180U CN 203142784 U CN203142784 U CN 203142784U
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Abstract
The utility model discloses a running transmission gear of a differential type track combine-harvester. The running transmission gear of the differential type track combine-harvester comprises an input shaft, a first rotary shaft, a second rotary shaft, a steering shaft, a braking shaft, a left half shaft and a right half shaft, wherein an input gear is arranged on the input shaft, a header gear and a first triple gear are arranged on the first rotary shaft, a second triple gear and a small steering gear are arranged on the second rotary shaft, a big steering gear, a left steering duplicate gear and a right steering duplicate gear are arranged on the steering shaft, both the left steering duplicate gear and the right steering duplicate gear can slide freely on the steering shaft, a left braking duplicate gear and a right braking duplicate gear are arranged on the braking shaft, and a left half shaft gear and a right half shaft gear are arranged on the left half shaft and on the right half shaft respectively. According to the running transmission gear of the differential type track combine-harvester, tracks on two sides rotate in opposite directions to achieve the purpose of steering through switching of transmission gears on the steering shaft, the steering resistance and the steering radius of the differential type track combine-harvester are reduced obviously, and economical efficiency of fuel is greatly improved.
Description
Technical field
The utility model belongs to agricultural mechanical field, specifically, is a kind of differential type crawler belt combined harvester walking driving device.
Background technology
At present, the differential type crawler belt combination machine of selling on the market, steering mode are to turn to the power of inboard crawler belt and take braking by cut-out substantially, turn to the track propulsion in the outside, thereby machine is realized turning to.The size of its Turning radius depends on the length of power cut time and braking time.
A this side track propulsion, the steering mode of opposite side crawler belt braking, in steering procedure, the friction drag on the resistance that the brake side crawler belt is subjected to coming from ground ground during much larger than straight-line travelling, and in farm work, particularly during the paddy field, the earth accumulation of turning and causing makes the resistance increase more obvious.Additional cornering resistance needs to consume a large amount of engine powers, causes machine fuel economy variation.In particular for meeting the market requirement, the design feed quantity of unit power continues to increase, and fuselage increases the weight of, and crawler belt also need lengthen, and it is more difficult to cause turning, and needs to increase engine power.
Owing in steering procedure, turn to inboard crawler belt by locking, cause crawler belt at land slide, rather than roll, cause serious crawler belt wearing and tearing.Wearing and tearing and the heating of side brake in braking procedure also can cause and turn to.Power cut and cohesive process equally also can cause wearing and tearing and the heating of power-transfer clutch.Finally cause the life-span of crawler belt, drg, steering clutch to descend the later maintenance cost height.
Under ideal conditions, the minimum turning radius of this steering mode for the both sides width of tracks half, can not be realized pivot stud, and Turning radius is big.The facility yarage is relatively poor relatively during farm work.
Patent ZL03205493.9 discloses a kind of travel steering device.By left and right power-transfer clutch, the cooperation of planetary gear apparatus and drg realizes the rotating of left and right traveling crawler or tire, reaches to turn to purpose.But this apparatus structure spare is more relatively, the control relative complex, and reliability is not high.Use planetary gear construction, manufacturing cost is higher relatively.
Patent ZL200710017788.7 discloses a kind of steer-drive of continuously tracked vehicle.Turn to control input and power input to converge at the both sides planet circular system, by two strands stack, the rotating speed that the output of the planet circular system of both sides is different is realized turning to of vehicle.But this device is except driving the power input, and also needing increases one steering power, and use cost is higher.
Patent application 200710085550.8 discloses a kind of steer drive for the differential type continuously tracked vehicle.But this device is only applicable to the situation that the both sides crawler belt all has independent input, for the machine that generally has only one power input and inapplicable.
Summary of the invention
Goal of the invention: the purpose of this utility model provides a kind of compact conformation at the problem that the existing differential type crawler belt combination machine steering mode described in the background technology exists, and Turning radius is little, the walking driving device that fuel economy is good.
In order to solve the problems of the technologies described above, the utility model has adopted following technical scheme:
A kind of differential type crawler belt combined harvester walking driving device comprises input shaft, turning cylinder one, turning cylinder two, steering shaft, brake axle, left half axle and right axle shaft;
The input gear is set on the described input shaft, ceding of Taiwan gear and triple gear one are set on the turning cylinder one, triple gear two is set on the turning cylinder two and turns to miniature gears, arrange on the steering shaft and turn to big gear wheel, left steering dual gear and right steering dual gear, wherein left steering dual gear and right steering dual gear all can be free to slide at steering shaft, left side braking dual gear and right braking dual gear are set on the brake axle, left half axle gear and right axle shaft gear are set respectively on left half axle and the right axle shaft;
Described input gear and ceding of Taiwan gear keep engagement, one of them gear of one of them gear of triple gear one and triple gear two keeps engagement, turn to miniature gears to keep engagement with turning to big gear wheel, the miniature gears of the big gear wheel of left steering dual gear and left steering dual gear can be meshed with big gear wheel and the left half axle gear of left side braking dual gear respectively by sliding, the miniature gears of the big gear wheel of right steering dual gear and right steering dual gear can be meshed with big gear wheel and the right axle shaft gear of right side braking dual gear respectively by sliding, miniature gears and the left half axle gear of left side braking dual gear keep engagement, and miniature gears and the right axle shaft gear of right braking dual gear keep engagement.
In the utility model, the described middle part that turns to big gear wheel that steering shaft is set, described left steering dual gear and right steering dual gear are symmetricly set on the both sides that turn to big gear wheel.
Beneficial effect: the utility model cost is low, compact conformation, switching by the steering shaft upper transfer gear, and with the cooperating of brake axle, realize the opposite hand of rotation of left and right sides crawler belt, reach the purpose that turns to, differential type crawler belt combined harvester cornering resistance and Turning radius are obviously reduced, fuel economy improves greatly.
Description of drawings
Fig. 1 is the structural representation of differential type crawler belt combined harvester walking driving device of the present invention.
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is done further explanation.
As shown in Figure 1, differential type crawler belt combined harvester walking driving device of the present utility model comprises input shaft 2, turning cylinder 1, turning cylinder 27, steering shaft 10, brake axle 13, left half axle 14 and right axle shaft 17.
Input gear 1 is set on the input shaft 2.Ceding of Taiwan gear 3 and triple gear one are set on the turning cylinder 1.Triple gear two is set on the turning cylinder 27 and turns to miniature gears 5.Arrange on the steering shaft 10 and turn to big gear wheel 22, left steering dual gear and right steering dual gear, wherein, turn to big gear wheel 22 that the middle part of steering shaft 10 is set, left steering dual gear and right steering dual gear are symmetricly set on the both sides that turn to big gear wheel 22.The left steering dual gear all is connected with steering shaft 10 by spline with the right steering dual gear, and can be free to slide at steering shaft 10.Left side braking dual gear and right braking dual gear are set on the brake axle 13.Left half axle gear 15 and right axle shaft gear 16 are set respectively on left half axle 14 and the right axle shaft 17.
Input gear 1 keeps engagement with ceding of Taiwan gear 3.One of them gear of one of them gear of triple gear one and triple gear two keeps engagement, constitutes three-gear gear shifting mechanism.In the present embodiment, the intermediate gear 26 of triple gear one keeps engagement with the intermediate gear of triple gear 2 24, the left side gear 27 of triple gear one breaks away from engagement with the left side gear of triple gear 26, and the right side gear 25 of triple gear one also breaks away from engagement with the right side gear 23 of triple gear two.Turn to miniature gears 5 to keep engagement with turning to big gear wheel 22.The big gear wheel 9 of left steering dual gear and the miniature gears 8 of left steering dual gear can be meshed with big gear wheel 12 and the left half axle gear 15 of left side braking dual gear respectively by horizontally slipping, when the big gear wheel 9 of left steering dual gear is braked big gear wheel 12 engagements of dual gear with a left side, the miniature gears 8 of left steering dual gear breaks away from engagement with left half axle gear 15, when the miniature gears 8 of left steering dual gear during with left half axle gear 15 engagements, the big gear wheel 9 of left steering dual gear breaks away from engagement with the big gear wheel 12 of left side braking dual gear.In like manner, the big gear wheel 20 of right steering dual gear and the miniature gears 21 of right steering dual gear can be meshed with big gear wheel 18 and the right axle shaft gear 16 of right side braking dual gear respectively by horizontally slipping, when the big gear wheel 20 of right steering dual gear meshes with right big gear wheel 18 of braking dual gear, the miniature gears 21 of right steering dual gear breaks away from engagement with right axle shaft gear 16, when the miniature gears 21 of right steering dual gear during with 16 engagements of right axle shaft gear, the big gear wheel 20 of right steering dual gear breaks away from engagement with the big gear wheel 18 of right braking dual gear.The miniature gears 11 of left side braking dual gear keeps engagement with left half axle gear 15.The miniature gears 19 of right braking dual gear keeps engagement with right axle shaft gear 16.
During differential type crawler belt combined harvester straight-line travelling, power is by 1 input of input gear, through ceding of Taiwan gear 3, the intermediate gear 26 of triple gear one, the intermediate gear 24 of triple gear two and turn to miniature gears 5 after be passed to and turn to big gear wheel 22, shunt through left steering dual gear and right steering dual gear then, wherein half power is delivered to left half axle 14 behind left side braking dual gear and left half axle gear 15, second half power is delivered to right axle shaft 17 behind right side braking dual gear and right axle shaft gear 16, left half axle 14 is identical with right axle shaft 17 hand of rotation, the machine straight-line travelling.
During the braking of differential type crawler belt combined harvester, left side braking dual gear on the brake axle 13 drives left half axle gear 15 respectively with right braking dual gear and right axle shaft gear 16 is braked simultaneously, and then driving left half axle 14 and right axle shaft 17 is braked simultaneously, machine stops to travel.
When differential type crawler belt combined harvester turned to the left, the left steering dual gear slided to the right side, the miniature gears 8 of left steering dual gear and left half axle gear 15 engagements, and the big gear wheel 9 of left steering dual gear breaks away from engagement with the big gear wheel 12 of left side braking dual gear.Left steering dual gear to the power transfer path of left half axle 14 changes at this moment, wherein half power directly is delivered to left half axle 14 through left half axle gear 15, make left half axle 14 hand of rotation change, left half axle 14 is opposite with right axle shaft 17 hand of rotation, and machine realizes that the left side turns to.
When differential type crawler belt combined harvester turned to the right, the right steering dual gear slided to the left side, the miniature gears 21 of right steering dual gear and 16 engagements of right axle shaft gear, and the big gear wheel 20 of right steering dual gear breaks away from engagement with the big gear wheel 18 of right braking dual gear.Right steering dual gear to the power transfer path of right axle shaft 17 changes at this moment, wherein half power directly is delivered to left half axle 17 behind right axle shaft gear 16, make right axle shaft 17 hand of rotation change, left half axle 14 is opposite with right axle shaft 17 hand of rotation, and machine is realized right hand steering.
The above only is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (2)
1. a differential type crawler belt combined harvester walking driving device is characterized in that: comprise input shaft (2), turning cylinder one (4), turning cylinder two (7), steering shaft (10), brake axle (13), left half axle (14) and right axle shaft (17);
Input gear (1) is set on the described input shaft (2), ceding of Taiwan gear (3) and triple gear one are set on the turning cylinder one (4), triple gear two is set on the turning cylinder two (7) and turns to miniature gears (5), steering shaft (10) is gone up to arrange and is turned to big gear wheel (22), left steering dual gear and right steering dual gear, wherein left steering dual gear and right steering dual gear all can be free to slide in steering shaft (10), left side braking dual gear and right braking dual gear are set on the brake axle (13), left half axle gear (15) and right axle shaft gear (16) are set respectively on left half axle (14) and the right axle shaft (17);
Described input gear (1) keeps engagement with ceding of Taiwan gear (3), one of them gear of one of them gear of triple gear one and triple gear two keeps engagement, turn to miniature gears (5) to keep engagement with turning to big gear wheel (22), the miniature gears (8) of the big gear wheel of left steering dual gear (9) and left steering dual gear can be meshed with big gear wheel (12) and the left half axle gear (15) of left side braking dual gear respectively by sliding, the miniature gears (21) of the big gear wheel of right steering dual gear (20) and right steering dual gear can be meshed with big gear wheel (18) and the right axle shaft gear (16) of right side braking dual gear respectively by sliding, the miniature gears (11) of left side braking dual gear keeps engagement with left half axle gear (15), and the miniature gears (19) of right braking dual gear keeps engagement with right axle shaft gear (16).
2. a kind of differential type crawler belt combined harvester walking driving device according to claim 1, it is characterized in that: the described middle part that turns to big gear wheel (22) that steering shaft (10) are set, described left steering dual gear and right steering dual gear are symmetricly set on the both sides that turn to big gear wheel (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320140180 CN203142784U (en) | 2013-03-25 | 2013-03-25 | Running transmission gear of differential type track combine-harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320140180 CN203142784U (en) | 2013-03-25 | 2013-03-25 | Running transmission gear of differential type track combine-harvester |
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| Publication Number | Publication Date |
|---|---|
| CN203142784U true CN203142784U (en) | 2013-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320140180 Expired - Fee Related CN203142784U (en) | 2013-03-25 | 2013-03-25 | Running transmission gear of differential type track combine-harvester |
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| CN (1) | CN203142784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109625090A (en) * | 2019-01-14 | 2019-04-16 | 德阳市川收农业机械制造有限公司 | A kind of walking helps rotary driving device |
-
2013
- 2013-03-25 CN CN 201320140180 patent/CN203142784U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109625090A (en) * | 2019-01-14 | 2019-04-16 | 德阳市川收农业机械制造有限公司 | A kind of walking helps rotary driving device |
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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: 20130821 Termination date: 20190325 |