CN204641864U - A kind of front steering driver train of three-wheel plant protection car - Google Patents
A kind of front steering driver train of three-wheel plant protection car Download PDFInfo
- Publication number
- CN204641864U CN204641864U CN201520337548.5U CN201520337548U CN204641864U CN 204641864 U CN204641864 U CN 204641864U CN 201520337548 U CN201520337548 U CN 201520337548U CN 204641864 U CN204641864 U CN 204641864U
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- wheel
- steering
- plant protection
- constant
- protection car
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Abstract
The utility model relates to a kind of front steering driver train of three-wheel plant protection car, comprise constant-speed universal coupling, head transmission shaft, drive bevel gear, driven wheel of differential, front wheel frame and steering hardware, front wheel frame comprises rear plate and side plate, constant-speed universal coupling is connected by the axle drive shaft of universal-joint with three-wheel plant protection car, head transmission shaft is arranged on rear plate by bearing, one end of head transmission shaft is connected by butt flange with constant-speed universal coupling, the other end is connected with drive bevel gear, driven wheel of differential is meshed with drive bevel gear, the gear wheel shaft of driven wheel of differential is arranged on side plate by bearing, the gear wheel shaft end of driven wheel of differential is provided with drive sprocket, drive sprocket is connected with driven sprocket by chain.The utility model adopts constant-speed universal coupling especially to guarantee three-wheel plant protection car stabilized walking at steering procedure, also adopts the gear structure of two finishing bevel gear cuters, two sprocket wheels, not only can realize transmission of power, and realize constant speed and turn to, stabilized walking.
Description
Technical field
The utility model relates to a kind of front steering driver train of three-wheel plant protection car, belongs to technical field of plant protection machinery.
Background technology
Equipment for plant protection is very general as agricultural machinery indispensable in farmland management, especially Three-wheel type equipment for plant protection is more common, current three-wheel plant protection car front-wheel steering driver train mainly passes through driving engine, change speed gear box, axle drive shaft, drive axle, steering box realizes, the power of driving engine is delivered on axle drive shaft through change speed gear box, axle drive shaft by transmission of power to drive axle, by drive axle by transmission of power to the turning cylinder of steering box, at present because drive axle is connected with the turning cylinder in steering box by common universal-joint, especially when turning, often front-wheel can not be synchronous with trailing wheel variable speed by cardan drive for front-wheel steering power, cause car body to rock or shake, in addition existing steering box inside adopts five bevel gears and front-wheel support to cooperatively interact more, not only complex structure, and owing to adopting five bevel gear engagements to turn to, there is turning rate, cause turning velocity slow, turn radius is large, easily causes large area to hinder seedling.
Utility model content
The deficiency that the utility model exists for above-mentioned prior art, provide a kind of front steering driver train of three-wheel plant protection car, it achieves the transmission of front-wheel steering power by simple structure, achieves front-wheel and trailing wheel synchronism stability is walked.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of front steering driver train of three-wheel plant protection car, comprise constant-speed universal coupling, head transmission shaft, drive bevel gear, driven wheel of differential, front wheel frame and steering hardware, the side plate that described front wheel frame comprises rear plate and is connected with rear plate, described constant-speed universal coupling is connected by the axle drive shaft of universal-joint with three-wheel plant protection car, described head transmission shaft is installed in the rear on plate by bearing, one end of described head transmission shaft is connected by butt flange with described constant-speed universal coupling, the other end is fixedly connected with described drive bevel gear, described driven wheel of differential is meshed with drive bevel gear, the gear wheel shaft of described driven wheel of differential is arranged on described side plate by bearing, the gear wheel shaft end of described driven wheel of differential is provided with drive sprocket, described drive sprocket is connected with the driven sprocket be arranged in front-wheel rotating shaft by chain.Described steering hardware can adopt that existing steering hardware coordinates above-mentioned constant-speed universal coupling, initiatively, the cooperation of driven wheel of differential can realize the object that constant speed turns to.
The beneficial effects of the utility model are, constant-speed universal coupling is adopted to guarantee front-wheel and trailing wheel constant-speed transmission, especially three-wheel plant protection car stabilized walking is guaranteed when steering procedure angle of turn is larger, and the cooperatively interacting of drive bevel gear and dynamic bevel gear, compared with existing steering box, not only connection structure is simple, realizes the transmission to front-wheel power, and coordinate constant-speed universal coupling to achieve constant speed and turn to, turn to more flexible.
Further, described steering hardware comprises steering wheel assembly, turns to connecting lever, steering track rod, bulb, turning rack, head and front wheel frame, pinned connection is passed through between described head and front wheel frame, described bulb comprises the first bulb, the second bulb, connecting lever and steering track rod is turned to described in described first bulb connects, described second bulb connects described steering track rod and turning rack, the described connecting lever that turns to is connected with the support arm of described steering wheel assembly, and described turning rack is fixedly connected with described front wheel frame.
Above-mentioned further beneficial effect is adopted to be, turn to the arm of force to lengthen by turning to the cooperation of connecting lever, steering track rod and bulb to make, more convenient operation is laborsaving, and head rotates flexibly with this bearing pin that coordinates of front wheel frame, grease can also be increased at bearing pin place, rotate more laborsaving more flexible.
Further, cross transmission shaft is provided with between described constant-speed universal coupling and described universal-joint.
The beneficial effect of above-mentioned further scheme is adopted to be, constant-speed universal coupling is connected with the flange of cross transmission shaft by respective axle head, increase the processing length of cross transmission shaft without the need to long making constant-speed universal coupling, two transmission shafts combine to be installed and safeguards more convenient and quicker.
Further, one end of described butt flange is flange, and the other end is the connection pipe coaxial with flange, and described connection pipe is provided with the first female splines, and the axle head of described head transmission shaft is provided with the male splines matched with female splines.
The beneficial effect of above-mentioned further scheme is adopted to be, convenient and fast connection by spline joint, centering precision is high, transmitting torque is large, avoid axle and occur vibration in rotation process.
Further, described universal-joint is provided with the second female splines matched with the axle drive shaft of three-wheel plant protection car.
The beneficial effect of above-mentioned further scheme is adopted to be that easy to connect, transmitting torque is large, turns to more flexible.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model transmission shaft;
Fig. 3 is the structural representation of the utility model finishing bevel gear cuter;
Fig. 4 is the structural representation of the utility model steering hardware;
In Fig. 1 ~ Fig. 4,1, constant-speed universal coupling; 2, cross transmission shaft; 3, butt flange; 31, the first female splines; 4, head transmission shaft; 41, male splines; 5, drive bevel gear; 6, driven wheel of differential; 7, universal-joint; 71, the second female splines; 8, drive sprocket; 9, driven sprocket; 10, chain; 11, steering wheel assembly; 12, connecting lever is turned to; 13, the first bulb; 14, steering track rod; 15, the second bulb; 16, turning rack; 17, head; 18, front-wheel support; 19, bearing pin.
Detailed description of the invention
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1 to 4, a kind of front steering driver train of three-wheel plant protection car, comprise constant-speed universal coupling 1, head transmission shaft 4, drive bevel gear 5, driven wheel of differential 6, front wheel frame 18 and steering hardware, the side plate that described front wheel frame comprises rear plate and is connected with described rear plate, described constant-speed universal coupling 1 is connected with the axle drive shaft of three-wheel plant protection car by universal-joint 7, described head transmission shaft 4 is installed in the rear on plate by bearing, one end of described head transmission shaft 4 is connected by butt flange 3 with described constant-speed universal coupling 1, the other end is fixedly connected with drive bevel gear 5, described driven wheel of differential 6 is meshed with drive bevel gear 5, the gear wheel shaft of described driven wheel of differential 6 is arranged on described side plate by bearing, the gear wheel shaft end of described driven wheel of differential 6 is provided with drive sprocket 8, described drive sprocket 8 is connected with the driven sprocket 9 be arranged in front-wheel rotating shaft by chain 10.
Described steering hardware comprises steering wheel assembly 11, turns to connecting lever 12, steering track rod 14, bulb, turning rack 16, head 17 and front-wheel support 18, described head 17 is connected by bearing pin 19 with between front wheel frame 18, described bulb comprises the first bulb 13, second bulb 15, connecting lever 12 and steering track rod 14 is turned to described in described first bulb 13 connects, described second bulb 15 connects described steering track rod 14 and turning rack 16, the described connecting lever 12 that turns to is connected with the support arm of described steering wheel assembly 11, and described turning rack 16 is fixedly connected with described front wheel frame 18.Much more no longer steering wheel assembly prior art is very ripe states again.
Cross transmission shaft 2 is provided with between described constant-speed universal coupling 1 and described universal-joint 7.Constant-speed universal coupling 1 is connected with the flange of cross transmission shaft 2 by respective axle head, increases cross transmission shaft without the need to making the long length processing of constant-speed universal coupling, installing and safeguard more convenient and quicker.
One end of described butt flange 3 is flange, and the other end is the connection pipe coaxial with flange, and described connection pipe is provided with the first female splines 31, and the axle head of described head transmission shaft 4 is provided with the male splines 41 matched with the first female splines.Convenient and fast connection by spline joint, centering precision is high, transmitting torque is large, avoid axle and occur vibration in rotation process.
Described universal-joint 7 is provided with the second female splines 71 matched with the axle drive shaft of three-wheel plant protection car.Easy to connect, transmitting torque is large, turns to more flexible.
Utility model works: the rotating of steering wheel of steering wheel assembly 11, by turning to connecting lever 12, first bulb 13, steering track rod 14, second bulb 5, turning rack 16 passes to front-wheel support 18 and front-wheel is turned to, bearing pin 19 between head 17 and front wheel frame 18 assists front-wheel steering, and the power of the driving engine of three-wheel plant protection car passes through axle drive shaft, universal-joint 7 passes to constant-speed universal coupling 1 or passes to cross transmission shaft 2, constant-speed universal coupling 1 is passed to by cross transmission shaft 2, then constant-speed universal coupling 1 by transmission of power to head transmission shaft 4, thus bring power to drive bevel gear 5, driven wheel of differential 6 engages with drive bevel gear 5, therefore driven wheel of differential 6 rotates, the drive sprocket 8 of driven wheel of differential opposite side can be driven to rotate, driven sprocket 9 action on front wheel spindle is driven by chain 10, thus make front steering driver train be no matter the object how many Nose Wheel Steering angles can realize constant speed and turn to.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. the front steering driver train of a three-wheel plant protection car, it is characterized in that, comprise constant-speed universal coupling, head transmission shaft, drive bevel gear, driven wheel of differential, front wheel frame and steering hardware, the side plate that described front wheel frame comprises rear plate and is connected with rear plate, described constant-speed universal coupling is connected by the axle drive shaft of universal-joint with three-wheel plant protection car, described head transmission shaft is installed in the rear on plate by bearing, one end of described head transmission shaft is connected by butt flange with described constant-speed universal coupling, the other end is fixedly connected with described drive bevel gear, described driven wheel of differential is meshed with drive bevel gear, the gear wheel shaft of described driven wheel of differential is arranged on described side plate by bearing, the gear wheel shaft end of described driven wheel of differential is provided with drive sprocket, described drive sprocket is connected with the driven sprocket be arranged in front-wheel rotating shaft by chain.
2. the front steering driver train of three-wheel plant protection car according to claim 1, it is characterized in that, described steering hardware comprises steering wheel assembly, turn to connecting lever, steering track rod, bulb, turning rack, head and front wheel frame, pinned connection is passed through between described head and front wheel frame, described bulb comprises the first bulb, second bulb, connecting lever and steering track rod is turned to described in described first bulb connects, described second bulb connects described steering track rod and turning rack, the described connecting lever that turns to is connected with the support arm of described steering wheel assembly, described turning rack is fixedly connected with described front wheel frame.
3. the front steering driver train of three-wheel plant protection car according to claim 1 and 2, is characterized in that, be provided with cross transmission shaft between described constant-speed universal coupling and described universal-joint.
4. the front steering driver train of three-wheel plant protection car according to claim 3, it is characterized in that, one end of described butt flange is flange, the other end is the connection pipe coaxial with flange, described connection pipe is provided with the first female splines, and the axle head of described head transmission shaft is provided with the male splines matched with female splines.
5. the front steering driver train of three-wheel plant protection car according to claim 4, is characterized in that, described universal-joint is provided with the second female splines matched with the axle drive shaft of three-wheel plant protection car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520337548.5U CN204641864U (en) | 2015-05-22 | 2015-05-22 | A kind of front steering driver train of three-wheel plant protection car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520337548.5U CN204641864U (en) | 2015-05-22 | 2015-05-22 | A kind of front steering driver train of three-wheel plant protection car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204641864U true CN204641864U (en) | 2015-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520337548.5U Expired - Fee Related CN204641864U (en) | 2015-05-22 | 2015-05-22 | A kind of front steering driver train of three-wheel plant protection car |
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| Country | Link |
|---|---|
| CN (1) | CN204641864U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105532620A (en) * | 2016-01-30 | 2016-05-04 | 山东亚丰农业机械装备有限公司 | Power transmission device of self-propelled boom sprayer |
| CN114098547A (en) * | 2021-12-06 | 2022-03-01 | 广东美房智高机器人有限公司 | Chassis and ground washing equipment |
-
2015
- 2015-05-22 CN CN201520337548.5U patent/CN204641864U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105532620A (en) * | 2016-01-30 | 2016-05-04 | 山东亚丰农业机械装备有限公司 | Power transmission device of self-propelled boom sprayer |
| CN114098547A (en) * | 2021-12-06 | 2022-03-01 | 广东美房智高机器人有限公司 | Chassis and ground washing equipment |
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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 |
Granted publication date: 20150916 Termination date: 20190522 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |