CN111703497A - Steering structure based on disc type electric tricycle - Google Patents

Steering structure based on disc type electric tricycle Download PDF

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Publication number
CN111703497A
CN111703497A CN202010691851.0A CN202010691851A CN111703497A CN 111703497 A CN111703497 A CN 111703497A CN 202010691851 A CN202010691851 A CN 202010691851A CN 111703497 A CN111703497 A CN 111703497A
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CN
China
Prior art keywords
steering
universal joint
steering wheel
shock absorption
connecting plate
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.)
Pending
Application number
CN202010691851.0A
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Chinese (zh)
Inventor
娄维尧
陈泽
杨克允
沈伟健
徐凡
马正阳
林韩波
蔡姚杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang University of Technology ZJUT
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Zhejiang University of Technology ZJUT
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Publication date
Application filed by Zhejiang University of Technology ZJUT filed Critical Zhejiang University of Technology ZJUT
Priority to CN202010691851.0A priority Critical patent/CN111703497A/en
Publication of CN111703497A publication Critical patent/CN111703497A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D1/00Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/04Hand wheels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D1/00Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/16Steering columns
    • B62D1/20Connecting steering column to steering gear
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D3/00Steering gears
    • B62D3/02Steering gears mechanical

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Abstract

A steering structure based on a disc type electric tricycle belongs to the technical field of electric tricycles. The steering wheel comprises a steering wheel, wherein a steering gear is arranged below the steering wheel, the steering wheel is connected with the steering gear through a steering wheel rod piece, one side of the steering gear is connected with a universal joint component, and the lower part of the universal joint component is connected with a steering wheel through a damping connecting component; the shock absorption connecting assembly comprises a front wheel shaft arranged in the middle of the steering wheel, shock absorption shafts fixedly arranged at two ends of the front wheel shaft through locking nuts, a connecting plate and springs sleeved outside the shock absorption shafts, wherein two ends of the connecting plate are respectively sleeved at the upper ends of the two shock absorption shafts. The steering device, the universal joint assembly and the damping assembly are connected in series to form a steering structure, a purely mechanical type is adopted, no electric power-assisted steering system is adopted, the manufacturing cost, the energy loss and the noise pollution of the system are reduced, and the whole structure is simple and compact, few in easily-damaged parts and low in cost.

Description

Steering structure based on disc type electric tricycle
Technical Field
The invention belongs to the technical field of electric tricycles, and particularly relates to a steering structure based on a disc type electric tricycle.
Background
The three-wheeled electric automobile is a supplement of the automobile industry, and the advantage lies in that the body shape is small and exquisite, and the quality is light, turns to the radius little, is fit for shuttling among the district, and electric tricycle is for the freight train, and environmental protection economy, mobility are strong, are fit for short distance's operation.
The problems that a steering column of an existing three-wheel electric automobile is easy to wear, a shock absorber fails in the early stage, the steering is heavier and the steering is difficult to return to the right are main problems which plague the steering device of the existing three-wheel electric automobile, and the problems that the steering column is worn and the shock absorber fails in the early stage are difficult and important. The research on the aspect of the electric tricycle at present has great limitations, generally only focuses on the determination of the parameters of the whole tricycle and the matching of the performance, and small part of the research on the steering smoothness and the analysis on the improvement of the steering smoothness by the simulation of a suspension, and the research on a steering device system of the steering wheel type tricycle is not deep.
Compared with four-wheel vehicles, the three-wheel electric vehicle steering system is much slower in development, a pure mechanical steering system is mostly adopted, a hydraulic steering system is adopted in individual advanced vehicle types, the hydraulic system is high in price compared with the mechanical system and difficult to control cost, and the existing pure mechanical steering system is complex in structure, poor in steering stability and operation safety, short in service life of tires, poor in automatic return performance and poor in overall service life and use experience.
Therefore, the steering structure design device based on the disc type electric tricycle is designed, the structure adopts a pure mechanical structure, an electric power-assisted steering system is not adopted, gasoline consumption and electric drive are not needed, the steering stability, the operation safety, the tire service life, the shock absorption shaft service life, the automatic return performance, the maneuverability and the reliability of the steering structure of the electric tricycle are further improved, the structure is simple, the number of easily-damaged parts is small, the cost is low, and the research on a steering wheel type steering device system is of certain pioneering value.
Disclosure of Invention
In view of the above problems in the prior art, an object of the present invention is to provide a steering structure capable of improving the steering stability, the operation safety, the tire life, the shock absorbing shaft life, the automatic return performance, the maneuverability and the reliability of an electric tricycle, and having a simple structure, less easily damaged parts and a low cost.
The invention provides the following technical scheme: a steering structure based on a disc type electric tricycle comprises a steering wheel and is characterized in that a steering gear is arranged below the steering wheel, the steering wheel is connected with the steering gear through a steering wheel rod piece, one side of the steering gear is connected with a universal joint component, and the lower part of the universal joint component is connected with a steering wheel through a damping connection component;
the shock absorption connecting assembly comprises a front wheel shaft arranged in the middle of the steering wheel, shock absorption shafts fixedly arranged at two ends of the front wheel shaft through locking nuts, a connecting plate and springs sleeved outside the shock absorption shafts, wherein two ends of the connecting plate are respectively sleeved at the upper ends of the two shock absorption shafts;
the universal joint assembly comprises a first duplex universal joint and a second duplex universal joint, the outer end of the first duplex universal joint is connected with the steering gear, the outer end of the second duplex universal joint is fixedly connected with the connecting plate through a first connecting shaft, and the inner end of the first duplex universal joint is connected with the inner end of the second duplex universal joint through a second connecting shaft.
The steering structure based on the disc type electric tricycle is characterized in that the connecting plate is of a V-shaped structure, the middle of the V-shaped structure is fixedly connected with the first connecting shaft, the end parts of two included angle sections of the V-shaped structure are respectively movably sleeved at the upper ends of the two damping shafts and are limited through a matching structure of screws and nuts.
The steering structure based on the disc type electric tricycle is characterized in that a shaft sleeve is arranged at the root of the connecting end of the first connecting shaft and the connecting plate.
The steering structure based on the disc type electric tricycle is characterized in that a damping shaft sleeve is sleeved on the lower portion of the damping shaft, and a spring is arranged between the damping shaft sleeve and a connecting plate.
The steering structure based on the disc type electric tricycle is characterized in that the lower end of the shock absorption shaft is provided with a sheet-shaped mounting structure, and the sheet-shaped mounting structure is fixedly connected with the end part of the front wheel shaft through a screw
By adopting the technology, compared with the prior art, the invention has the following beneficial effects:
the steering structure of the electric tricycle is formed by connecting the steering gear, the universal joint component and the damping component in series, the steering structure is purely mechanical and has no electric power-assisted steering system, the manufacturing cost, the energy loss and the noise pollution of the system are reduced, the steering torque and the steering angle of a steering wheel are converted and transmitted to the universal joint component by using the steering gear, the steering control of wheels is realized by using the angle power transmission between two universal joints, and the damping component is arranged to weaken the vibration of the wheels in the driving process by using the damping and buffering action of the spring, so that the use experience of riding personnel is improved; the whole structure is simple and compact, the number of easily-damaged parts is small, the cost is low, the noise is low, the steering stability, the operation safety, the service life of the tire, the maneuverability and the like of the steering structure of the electric tricycle are improved, and the driving experience is further improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1. a steering wheel; 2. a steering wheel lever member; 3. a diverter; 4. a gimbal assembly; 41. a first tandem universal joint; 42. a second double-coupled gimbal; 5. a first connecting shaft; 6. a connecting plate; 7. a shock-absorbing shaft; 8. a spring; 9. a damping shaft sleeve; 10. locking the nut; 11. a front wheel axle; 12. a steering wheel; 13. and a second connecting shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
On the contrary, the invention is intended to cover alternatives, modifications, equivalents and alternatives which may be included within the spirit and scope of the invention as defined by the appended claims. Furthermore, in the following detailed description of the present invention, certain specific details are set forth in order to provide a better understanding of the present invention. It will be apparent to one skilled in the art that the present invention may be practiced without these specific details.
Referring to fig. 1, a steering structure based on a disc type electric tricycle comprises a steering wheel 1, a steering gear 3 is arranged below the steering wheel 1, the steering wheel 1 is connected with the steering gear 3 through a steering wheel rod 2, two external connecting shafts are arranged on the steering gear 3 and are arranged at an angle of 90 degrees, one external connecting shaft is connected with the steering wheel rod 2, the other external connecting shaft is connected with a universal joint component 4, and the lower part of the universal joint component 4 is connected with a steering wheel 12 through a damping connecting component.
This shock attenuation coupling assembling is including setting up the front wheel axle 11 at directive wheel 12 middle part, through the damping axle 7 at front wheel axle 11 both ends of lock nut 10 fixed mounting, connecting plate 6 and cover establish the spring 8 in damping axle 7 outside, the lower part cover of damping axle 7 is equipped with damping shaft sleeve 9, spring 8 sets up between damping shaft sleeve 9 and connecting plate 6, the lower extreme of damping axle 7 is equipped with slice mounting structure, slice mounting structure passes through the tip fixed connection of screw and front wheel axle 11.
This connecting plate 6 is V type structure, V type structure middle part and 5 fixed connection of first connecting axle, and two contained angle ends of V type structure movable sleeve respectively establish the upper end of two damping axle 7 and carry on spacingly through the cooperation structure of screw, nut, and the root of first connecting axle 5 and 6 links of connecting plate is equipped with the axle sleeve, places the wearing and tearing of first connecting axle 5.
The universal joint assembly 4 comprises a first duplex universal joint 41 and a second duplex universal joint 42, wherein the outer end of the first duplex universal joint 41 is connected with the steering gear 3, the outer end of the second duplex universal joint 42 is fixedly connected with the connecting plate 6 through a first connecting shaft 5, and the inner end of the first duplex universal joint 41 is connected with the inner end of the second duplex universal joint 42 through a second connecting shaft 13.
When the three-wheeled electric vehicle turns, the main technical scheme is as follows: the steering wheel 1 rotates, the steering torque and the steering angle of the steering wheel are converted and transmitted to the universal joint assembly 4 through the steering gear 3, the angle power is transmitted to the first connecting shaft 5 through the first duplex universal joint 41 and the second duplex universal joint 42 which are connected in series, and the angle power is transmitted to the steering wheel 12 through the connecting plate 6, the shock absorption shaft 7 and the front wheel shaft 11, so that the steering transmission is realized.
In the transmission process, the steering gear 3 is a reversible steering gear, which ensures that the force of the road vibration acting on the steering wheel 12 is correctly transmitted to the steering wheel 1, so that a driver has clear road feedback, the stability in straight line driving is ensured, and the automatic aligning capability of the vehicle direction is met; in addition, the vibration transmitted between the connecting plate 6 and the first connecting shaft 5 by the wheel rotation can be absorbed by the spring 8, so that the running stability of the wheel is further ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (5)

1. A steering structure based on a disc type electric tricycle comprises a steering wheel (1) and is characterized in that a steering gear (3) is arranged below the steering wheel (1), the steering wheel (1) is connected with the steering gear (3) through a steering wheel rod piece (2), one side of the steering gear (3) is connected with a universal joint component (4), and the lower part of the universal joint component (4) is connected with a steering wheel (12) through a damping connection component;
the shock absorption connecting assembly comprises a front wheel shaft (11) arranged in the middle of a steering wheel (12), shock absorption shafts (7) fixedly arranged at two ends of the front wheel shaft (11) through locking nuts (10), a connecting plate (6) and springs (8) sleeved outside the shock absorption shafts (7), wherein two ends of the connecting plate (6) are respectively sleeved at the upper ends of the two shock absorption shafts (7);
the universal joint assembly (4) comprises a first duplex universal joint (41) and a second duplex universal joint (42), the outer end of the first duplex universal joint (41) is connected with the steering gear (3), the outer end of the second duplex universal joint (42) is fixedly connected with the connecting plate (6) through a first connecting shaft (5), and the inner end of the first duplex universal joint (41) is connected with the inner end of the second duplex universal joint (42) through a second connecting shaft (13).
2. The steering structure based on the disc-type electro-tricycle as claimed in claim 1, wherein the connecting plate (6) is a V-shaped structure, the middle of the V-shaped structure is fixedly connected with the first connecting shaft (5), the ends of two included angle sections of the V-shaped structure are respectively movably sleeved on the upper ends of the two shock absorption shafts (7) and are limited by the matching structure of screws and nuts.
3. The steering structure based on the disc type electro-tricycle as claimed in claim 2, characterized in that a bushing is provided at the root of the connection end of the first connecting shaft (5) and the connecting plate (6).
4. The steering structure based on the disc type electro-tricycle as claimed in claim 1, characterized in that the lower portion of the shock-absorbing shaft (7) is sleeved with a shock-absorbing bushing (9), and the spring (8) is disposed between the shock-absorbing bushing (9) and the connecting plate (6).
5. The steering structure based on the disc type electric tricycle as claimed in claim 1, characterized in that the lower end of the shock absorbing shaft (7) is provided with a sheet mounting structure, and the sheet mounting structure is fixedly connected with the end of the front wheel shaft (11) through a screw.
CN202010691851.0A 2020-07-17 2020-07-17 Steering structure based on disc type electric tricycle Pending CN111703497A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010691851.0A CN111703497A (en) 2020-07-17 2020-07-17 Steering structure based on disc type electric tricycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010691851.0A CN111703497A (en) 2020-07-17 2020-07-17 Steering structure based on disc type electric tricycle

Publications (1)

Publication Number Publication Date
CN111703497A true CN111703497A (en) 2020-09-25

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ID=72546597

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Application Number Title Priority Date Filing Date
CN202010691851.0A Pending CN111703497A (en) 2020-07-17 2020-07-17 Steering structure based on disc type electric tricycle

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201249802Y (en) * 2008-06-17 2009-06-03 昆明理工大学 Single-wheel steering mechanism with direction automatic aligning
WO2012007835A1 (en) * 2010-07-16 2012-01-19 Sperotto S.P.A. Carrozzerie Industriali Steering device for motor vehicles
CN102811900A (en) * 2010-03-24 2012-12-05 本田技研工业株式会社 Display device for vehicle
CN102975760A (en) * 2012-08-17 2013-03-20 安徽合叉叉车有限公司 Electric fork-lift truck steering device
CN204432745U (en) * 2014-10-24 2015-07-01 江苏金彭车业有限公司 Electro-tricycle gear transmission steering structure
CN207631324U (en) * 2017-11-28 2018-07-20 东风商用车有限公司 Automobile steering transmission system
CN109969252A (en) * 2019-04-12 2019-07-05 核心驱动科技(金华)有限公司 A kind of steer drive and automobile
CN210734411U (en) * 2019-09-12 2020-06-12 山东御捷马新能源汽车制造有限公司 Middle steering wheel type steering mechanism of tricycle
CN212290008U (en) * 2020-07-17 2021-01-05 浙江工业大学 Steering device of electric tricycle

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201249802Y (en) * 2008-06-17 2009-06-03 昆明理工大学 Single-wheel steering mechanism with direction automatic aligning
CN102811900A (en) * 2010-03-24 2012-12-05 本田技研工业株式会社 Display device for vehicle
WO2012007835A1 (en) * 2010-07-16 2012-01-19 Sperotto S.P.A. Carrozzerie Industriali Steering device for motor vehicles
CN102975760A (en) * 2012-08-17 2013-03-20 安徽合叉叉车有限公司 Electric fork-lift truck steering device
CN204432745U (en) * 2014-10-24 2015-07-01 江苏金彭车业有限公司 Electro-tricycle gear transmission steering structure
CN207631324U (en) * 2017-11-28 2018-07-20 东风商用车有限公司 Automobile steering transmission system
CN109969252A (en) * 2019-04-12 2019-07-05 核心驱动科技(金华)有限公司 A kind of steer drive and automobile
CN210734411U (en) * 2019-09-12 2020-06-12 山东御捷马新能源汽车制造有限公司 Middle steering wheel type steering mechanism of tricycle
CN212290008U (en) * 2020-07-17 2021-01-05 浙江工业大学 Steering device of electric tricycle

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Application publication date: 20200925