CN203687919U - Vehicle wheel steering angle measuring device - Google Patents

Vehicle wheel steering angle measuring device Download PDF

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Publication number
CN203687919U
CN203687919U CN201420051321.XU CN201420051321U CN203687919U CN 203687919 U CN203687919 U CN 203687919U CN 201420051321 U CN201420051321 U CN 201420051321U CN 203687919 U CN203687919 U CN 203687919U
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CN
China
Prior art keywords
wheel steering
angular transducer
steering angle
steering
agricultural machinery
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.)
Expired - Lifetime
Application number
CN201420051321.XU
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Chinese (zh)
Inventor
周建军
王秀
蔡吉晨
马伟
冯青春
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.)
Beijing Research Center of Intelligent Equipment for Agriculture
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Beijing Research Center of Intelligent Equipment for Agriculture
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Priority to CN201420051321.XU priority Critical patent/CN203687919U/en
Application granted granted Critical
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Abstract

The utility model relates to the technical field of agricultural machinery, and especially relates to a vehicle wheel steering angle measuring device used for agricultural machinery. The measuring device comprises a steering mechanism and an angle sensor. The angle sensor is installed on a bearing beam of an agricultural machine. One end of the steering mechanism is connected with the angle sensor. The other end of the steering mechanism is connected with a vehicle wheel steering tie rod of the agricultural machine. The steering mechanism and the vehicle wheel steering tie rod are in synchronous rotation. The steering angle of the vehicle wheel steering tie rod is measured through the angle sensor. The measuring device can achieve measurement of the vehicle wheel steering angle through the angle sensor, and thus automatic navigation precision of the agricultural machine is raised. The measuring device is helpful to lower the crop production input cost, avoids generation of repetition and missing of linking rows during working process, increases working energy consumption, lowers the cost and increases economic benefits.

Description

A kind of wheel steering angle determinator
Technical field
The utility model relates to agricultural machinery technological field, relates in particular to a kind of determinator for agricultural machinery wheel steering angle.
Background technology
Along with the progress of science and the high-efficient development of modern agriculture, the status of automated information technology in modern agricultural production and effect are more and more subject to people's attention, and agricultural automation infotech can increase labour productivity greatly.Especially the application of agricultural machinery self-navigation technology, has important effect in the production run of crop.Because when crop production, usually need to use various agricultural machinery to operate, for example seeder, harvester etc., realize the self-navigation of these agricultural machinery, and the measurement of wheel steering angle is a committed step, can be used for feeding back the steering angle that agricultural machinery turns to.At present, owing to not realizing agricultural machinery self-navigation, can cause agro-farming time, between row and row, is not connected or the situation such as repetitive operation in operation process, has increased crops production input cost, operation consumption is large, and economic benefit is low.
Therefore, for above not enough a kind of easy for installation, the device that can measure agricultural machinery wheel turning angle that needs.
Utility model content
(1) technical matters that will solve
The technical problems to be solved in the utility model is the problem that has solved existing agricultural machinery and cannot measure corner in the time turning to operation.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of wheel steering angle determinator, comprise steering mechanism and for measuring the angular transducer of steering angle of wheel steering drag link, described angular transducer is contained on the spandrel girder of agricultural machinery, described steering mechanism one end is connected with angular transducer, the other end is connected with the wheel steering drag link of agricultural machinery, does the straight-line while at wheel steering drag link, drives steering mechanism to move in a circle as the center of circle take the rotating shaft of angular transducer.
Wherein, described steering mechanism comprises expansion link and steering tube, and described expansion link and wheel steering drag link are rotationally connected, and described expansion link is arranged in steering tube, axial stretching along steering tube moves, and one end of described steering tube is fixedly connected with the rotating shaft of angular transducer.
Wherein, described expansion link is connected with wheel steering drag link by flat motion bar, and flat motion bar one end is fixedly connected with wheel steering drag link, and the other end and expansion link are rotationally connected.
Wherein, between described flat motion bar and expansion link, be installed with bearing pin.
Wherein, described flat motion bar is equipped with fixed card, and fixed card is fixedly connected with wheel steering drag link.
Wherein, one end of described steering tube is fixedly connected with the rotating shaft of angular transducer by rotation axis, and rotation axis is coaxial setting with angular transducer.
Wherein, described angular transducer is connected with spandrel girder by fixed head.
Wherein, U-shaped cutting ferrule is housed on described fixed head, fixed head is connected with spandrel girder by U-shaped cutting ferrule.
(3) beneficial effect
Technique scheme of the present utility model has following beneficial effect: the utility model wheel steering angle determinator is by being contained in steering mechanism on wheel steering drag link, steering mechanism is connected with angular transducer, realize the mensuration of angular transducer to wheel steering angle, agricultural machinery self-navigation precision is improved, be conducive to reduce crops and produce input cost, avoid in operation process producing the heavily leakage that is connected row, reduce operation consumption, reduce costs and increase economic benefit; This wheel steering angle determinator is easy to assembly, simple in structure, the flat motion bar of steering mechanism is contained on the wheel steering drag link of agricultural machinery by fixed card, by fixed head and U-shaped cutting ferrule, angular transducer is contained on spandrel girder, easy for installation, be beneficial to and change and maintenance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the wheel steering angle determinator of the utility model embodiment;
Fig. 2 is the view that the wheel steering angle determinator of the utility model embodiment rotates;
Fig. 3 is the angular transducer connection diagram of the utility model embodiment.
Wherein, 1: steering mechanism; 2: angular transducer; 3: spandrel girder; 4: wheel steering drag link; 5: bearing pin; 6: fixed card; 11: flat motion bar; 12: expansion link; 13: steering tube; 14: rotation axis; 21: fixed head; 22:U type cutting ferrule.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but can not be used for limiting scope of the present utility model.
In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more; Term " on ", orientation or the position relationship of the indication such as D score, " left side ", " right side ", " interior ", " outward ", " front end ", " rear end ", " head ", " afterbody " be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than indicate or imply that the device of indication or element must have specific orientation, construct and operation with specific orientation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. are only for describing object, and can not be interpreted as indication or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " is connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connects integratedly; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
As Figure 1-3, wheel steering angle determinator described in the present embodiment, comprise steering mechanism 1 and angular transducer 2, angular transducer 2 is contained on the spandrel girder 3 of agricultural machinery, steering mechanism 1 one end is connected with angular transducer 2, the other end is connected with the wheel steering drag link 4 of agricultural machinery, make wheel steering drag link 4 do the straight-line while, drive steering mechanism 1 one end to move in a circle as the center of circle take the rotating shaft of angular transducer 2, measure the steering angle of wheel steering drag link 4 by angular transducer 2.The output terminal of angular transducer 2 is connected with the automated navigation system of agricultural machinery, and the angle of mensuration is flowed to agricultural machinery automatic steering controller in the mode of electronic signal, thereby has realized the measurement to agricultural machinery wheel steering angle.
Steering mechanism 1 comprises expansion link 12 and steering tube 13, and expansion link 12 is rotationally connected with wheel steering drag link 4, can be fixedly connected with wheel steering drag link 4 by flat motion bar 11 one end, and the other end and expansion link 12 are rotationally connected; Install for convenient, maintenance, assembling are simply, fixed card 6 is housed on flat motion bar 11, flat motion bar 11 is fixedly connected with wheel steering drag link 4 by fixed card 6, between flat motion bar 11 and expansion link 12, is installed with bearing pin 5, realizes the rotation of expansion link 12, expansion link 12 is arranged in steering tube 13, axial stretching along steering tube 13 moves, and steering tube 13 is fixedly connected with rotation axis 14, and rotation axis 14 is fixedly connected with the rotating shaft of angular transducer 2.Rotation axis 14 coaxially arranges with angular transducer 2.Install for convenient, simply, angular transducer 2 is connected with spandrel girder 3 by fixed head 21 for maintenance, assembling.U-shaped cutting ferrule 22 is housed on fixed head 21, and fixed head 21 is connected with spandrel girder 3 by U-shaped cutting ferrule 22.
A kind of agricultural machinery, comprises this wheel steering angle determinator, and the automated navigation system of agricultural machinery is connected with this wheel steering angle determinator, and when the deflecting roller of agricultural machinery moves, wheel steering drag link 4 can drive flat motion bars 11 to move; Between flat motion bar 11 and expansion link 12, be installed with bearing pin 5, flat motion bar 11 actions can drive expansion link 12 to move, and expansion link 12 can slide in steering tube 13 in-draws, so can drive steering tube 13 take the axle center of rotation axis 14 circular motion as the center of circle; Rotation axis 14 is bolted to connection with steering tube 13, and is fixedly connected with by jackscrew with the rotating shaft of angular transducer 2, and angular transducer 2 will synchronously rotate with rotation axis 14 like this.The angle of mensuration is flowed to agricultural machinery automatic steering controller in the mode of electronic signal, realize the measurement to agricultural machinery wheel steering angle.
The course of work of the present utility model is: the first step, is arranged on angular transducer on the spandrel girder of agricultural machinery by U-shaped cutting ferrule, and the flat motion bar of steering mechanism is arranged on by fixed card on the wheel steering drag link of agricultural machinery; Second step, when the deflecting roller of agricultural machinery moves, wheel steering drag link can drive flat motion bar motion; The 3rd step, flat motion bar action can drive expansion link to rotate along bearing pin, moves along the axial stretching of steering tube in this while flat motion bar; The 4th step, steering tube moves in a circle along rotation axis, drives rotation axis to synchronize and rotate with angular transducer; The 5th step, the rotating shaft of angular transducer is consistent with the angular range that steering tube rotates, angular transducer is according to the rotation situation of self rotating shaft, can reflect the steering angle of steering tube, this angle is exactly the steering angle of agricultural machinery, the angle of mensuration is flowed to agricultural machinery automatic steering controller in the mode of electronic signal, thereby realized the measurement to agricultural machinery wheel steering angle.
In sum, the utility model wheel steering angle determinator is by being contained in steering mechanism on wheel steering drag link, steering mechanism is connected with angular transducer, realize the mensuration of angular transducer to wheel steering angle, agricultural machinery self-navigation precision is improved, be conducive to reduce crops and produce input cost, avoid producing and being connected the heavily leakage of going in operation process, reduce operation consumption, reduce costs and increase economic benefit; This wheel steering angle determinator is easy to assembly, simple in structure, the flat motion bar of steering mechanism is contained on the wheel steering drag link of agricultural machinery by fixed card, by fixed head and U-shaped cutting ferrule, angular transducer is contained on spandrel girder, easy for installation, be beneficial to and change and maintenance.
Embodiment of the present utility model provides for example with for the purpose of describing, and is not exhaustively or by the utility model to be limited to disclosed form.Many modifications and variations are apparent for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present utility model and practical application, thereby and makes those of ordinary skill in the art can understand the utility model design to be suitable for the various embodiment with various modifications of special-purpose.

Claims (8)

1. a wheel steering angle determinator, it is characterized in that, comprise steering mechanism (1) and for measuring the angular transducer (2) of steering angle of wheel steering drag link (4), described angular transducer (2) is contained on the spandrel girder (3) of agricultural machinery, described steering mechanism (1) one end is connected with angular transducer (2), the other end is connected with the wheel steering drag link (4) of agricultural machinery, do the straight-line while at wheel steering drag link (4), drive steering mechanism (1) to move in a circle as the center of circle take the rotating shaft of angular transducer (2).
2. wheel steering angle determinator according to claim 1, it is characterized in that, described steering mechanism (1) comprises expansion link (12) and steering tube (13), described expansion link (12) is rotationally connected with wheel steering drag link (4), described expansion link (12) is arranged in steering tube (13), along the axial stretching motion of steering tube (13), one end of described steering tube (13) is fixedly connected with the rotating shaft of angular transducer (2).
3. wheel steering angle determinator according to claim 2, it is characterized in that, described expansion link (12) is connected with wheel steering drag link (4) by flat motion bar (11), flat motion bar (11) one end is fixedly connected with wheel steering drag link (4), and the other end and expansion link (12) are rotationally connected.
4. wheel steering angle determinator according to claim 3, is characterized in that, between described flat motion bar (11) and expansion link (12), is installed with bearing pin (5).
5. wheel steering angle determinator according to claim 3, is characterized in that, described flat motion bar (11) is equipped with fixed card (6), and fixed card (6) is fixedly connected with wheel steering drag link (4).
6. wheel steering angle determinator according to claim 3, it is characterized in that, one end of described steering tube (13) is fixedly connected with the rotating shaft of angular transducer (2) by rotation axis (14), and rotation axis (14) is coaxial setting with angular transducer (2).
7. wheel steering angle determinator according to claim 1, is characterized in that, described angular transducer (2) is connected with spandrel girder (3) by fixed head (21).
8. wheel steering angle determinator according to claim 7, is characterized in that, U-shaped cutting ferrule (22) is housed on described fixed head (21), and fixed head (21) is connected with spandrel girder (3) by U-shaped cutting ferrule (22).
CN201420051321.XU 2014-01-26 2014-01-26 Vehicle wheel steering angle measuring device Expired - Lifetime CN203687919U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420051321.XU CN203687919U (en) 2014-01-26 2014-01-26 Vehicle wheel steering angle measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420051321.XU CN203687919U (en) 2014-01-26 2014-01-26 Vehicle wheel steering angle measuring device

Publications (1)

Publication Number Publication Date
CN203687919U true CN203687919U (en) 2014-07-02

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Application Number Title Priority Date Filing Date
CN201420051321.XU Expired - Lifetime CN203687919U (en) 2014-01-26 2014-01-26 Vehicle wheel steering angle measuring device

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106152994A (en) * 2015-04-03 2016-11-23 徐工集团工程机械股份有限公司 Wheel steering angle measurement apparatus, multi-shaft steering vehicle and wheel steering angle measuring method
CN107478188A (en) * 2017-08-21 2017-12-15 中国第汽车股份有限公司 Wheel steering angle measuring instrument
CN107543523A (en) * 2017-08-30 2018-01-05 华中农业大学 Reference direction anchoring device for the measurement of tractor front-wheel deflection angle
CN108646045A (en) * 2018-04-20 2018-10-12 华南农业大学 A kind of forklift wheel corner measuring device and method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106152994A (en) * 2015-04-03 2016-11-23 徐工集团工程机械股份有限公司 Wheel steering angle measurement apparatus, multi-shaft steering vehicle and wheel steering angle measuring method
CN106152994B (en) * 2015-04-03 2020-01-10 徐工集团工程机械股份有限公司 Wheel corner measuring device, multi-axle steering vehicle and wheel corner measuring method
CN107478188A (en) * 2017-08-21 2017-12-15 中国第汽车股份有限公司 Wheel steering angle measuring instrument
CN107543523A (en) * 2017-08-30 2018-01-05 华中农业大学 Reference direction anchoring device for the measurement of tractor front-wheel deflection angle
CN107543523B (en) * 2017-08-30 2024-06-18 华中农业大学 Reference direction anchoring device for measuring deflection angle of front wheel of tractor
CN108646045A (en) * 2018-04-20 2018-10-12 华南农业大学 A kind of forklift wheel corner measuring device and method

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Granted publication date: 20140702

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