CN107543523A - Reference direction anchoring device for the measurement of tractor front-wheel deflection angle - Google Patents
Reference direction anchoring device for the measurement of tractor front-wheel deflection angle Download PDFInfo
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- CN107543523A CN107543523A CN201710761031.2A CN201710761031A CN107543523A CN 107543523 A CN107543523 A CN 107543523A CN 201710761031 A CN201710761031 A CN 201710761031A CN 107543523 A CN107543523 A CN 107543523A
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- connecting rod
- bearing
- sensor
- angular transducer
- rotary shaft
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Abstract
The invention discloses a kind of reference direction anchoring device for the measurement of tractor front-wheel deflection angle, including angular transducer and the angular transducer mounting bracket being fixed on front rotary shaft bearing cap, the rotary shaft of angular transducer is fixedly connected with angular transducer mounting bracket, and the vertical front rotary shaft bearing cap of rotary shaft of angular transducer, also include sensor position-limit mechanism and sensor fixed mechanism, the vertical front rotary shaft bearing cap of sensor position-limit mechanism, translation mechanism is connected with sensor position-limit mechanism, measurement branch sleeve is connected with translation mechanism, it is vertical with sensor position-limit mechanism to measure branch sleeve；Angular transducer is fixed on sensor fixed mechanism, and gag lever post is connected with sensor fixed mechanism, and gag lever post is limited in measurement branch sleeve.The device can adapt to the alignment error of angle measuring sensor, carries out automatic reference direction grappling, greatly reduces measurement error.
Description
Technical field
The present invention relates to farm machinery navigation technology, in particular to a kind of benchmark side for the measurement of tractor front-wheel deflection angle
To anchoring device.
Background technology
Agricultural using Agricultural Intelligent System as target is evolved just to be carried out in the whole world, from unmanned agricultural machinery to intelligent greenhouse, entirely certainly
Dynamic production, detect and the process of receiving brings the agricultural products of highly efficient convenient high-quality, make full use of modern earth geography
Information technology, detection technology, hand-held convenient information identification technology, automatic technology etc. obtains the relevant various productions of crop production
Information and ambient parameter, control is digitized to farm works such as farming, sowing, fertilising, irrigation, spray and weedings, makes agriculture
The utilization of resources precision of industry input, efficiency maximize.Intelligent agricultural machinery self-navigation control technology is in reading intelligent agriculture technology
One of pith, excellent agriculture Navigation Control level can be sowing, cultivate and receive and provide more regular operation ring
Border, while crop location can be accurately positioned to accomplish that source is related, whole management and control etc. provides technical foundation.It is strong lightening one's labor
Degree extension can equally have outstanding behaviours in terms of the activity duration.
The control accuracy and zero that deflecting roller drift angle directly affects Navigation Control how is accurately obtained in agriculture navigation application
Drift.Due to agricultural machinery steering structure without specially provide installation turn to measuring apparatus mechanism, it is necessary to the navigation control system later stage from
Row addition.But deflecting roller axle center is difficult to determine, due to installation and process issues, sensor rotation axle and tractor front-wheel
Drift angle be present in the axle of rotating shaft.Therefore, how convenient installation measuring apparatus, reduce measurement error be corner deflection measurement technique urgently
The technical barrier of solution.
The content of the invention
Present invention aim to provide a kind of reference direction grappling dress for the measurement of tractor front-wheel deflection angle
Put, the device can adapt to the alignment error of angle measuring sensor, carries out automatic reference direction grappling, greatly reduces measurement
Error.
To achieve the above object, the technical solution adopted by the present invention is：One kind is used for tractor front-wheel deflection angle and measured
Reference direction anchoring device, including angular transducer and the angular transducer mounting bracket that is fixed on front rotary shaft bearing cap,
The rotary shaft of the angular transducer is fixedly connected with the angular transducer mounting bracket, and the rotation of the angular transducer
The vertical front rotary shaft bearing cap of axle, it is characterised in that：Also include sensor position-limit mechanism and sensor fixed mechanism, the biography
The vertical front rotary shaft bearing cap of sensor position-limit mechanism, translation mechanism, the translation machine are connected with the sensor position-limit mechanism
Measurement branch sleeve is connected with structure, the measurement branch sleeve is vertical with the sensor position-limit mechanism；The angular transducer
It is fixed on the sensor fixed mechanism, gag lever post is connected with the sensor fixed mechanism, the gag lever post is limited in institute
State in measurement branch sleeve.
Further, the sensor fixed mechanism includes sensor retainer ring, and the angular transducer is fixed on described
In sensor retainer ring, the sensor is fixed on ring-side wall and is connected with fixed otic placode and the gag lever post.
Further, the translation mechanism includes horizontal parallel quadric chain and vertical parallel quadric chain, described
Horizontal parallel quadric chain one end is fixedly connected with the measurement branch sleeve, the other end and the vertical parallel double leval jib machine
Structure is riveted, and the vertical parallel quadric chain is fixedly connected with the sensor position-limit mechanism.
Further, the sensor position-limit mechanism includes location-plate and some location-plates fix magnet steel, the location-plate
Fixed magnet steel is fixedly connected with the location-plate, the vertical front rotary shaft bearing cap of the location-plate.Location-plate passes through location-plate
Fixed magnet steel absorption has the function that fixing device on dilatory head platform；Location-plate plays a part of positioning plane, measurement
Movement is all vertical with the positioning plane anyway for branch sleeve.
Further, the mounting frame for sensor includes support frame, installation cylinder and some supports fixation magnet steel, described
Support is fixed at the top of magnet steel and is fixedly connected with support frame as described above, and bottom is adsorbed on the front rotary shaft bearing cap, the installation circle
Cylinder top is fixedly connected with the rotary shaft of the angular transducer, and bottom is fixedly connected with support frame as described above.
Further, the left connection board and right connection board being arranged symmetrically are fixed with the sensor retainer ring, it is described
Left connection board and right connection board are respectively perpendicular the front rotary shaft bearing cap, described gag lever post one end be hinged on the left connection board and
Between right connection board, the other end is stretched into the measurement branch sleeve.
Further, the horizontal parallel quadric chain includes first connecting rod fixed plate, second connecting rod fixed plate, top
Annular connecting rod and base circle connecting rod, the top annular connecting rod and the base circle connecting rod are arranged in parallel in the horizontal direction,
The first top bearing is provided with the top of the first connecting rod fixed plate, bottom is provided with the first bottom bearing, and the second connecting rod is fixed
The second top bearing is provided with the top of plate, bottom is provided with the second bottom bearing, and described top annular connecting rod one end penetrates described first
In the bearing hole of top bearing, the other end is penetrated in the bearing hole of second top bearing, described base circle connecting rod one end
Penetrate in the bearing hole of first bottom bearing, the other end is penetrated in the bearing hole of second bottom bearing.
Further, the vertical parallel quadric chain includes third connecting rod fixed plate, fourth link fixed plate, front side
Annular connecting rod and rear side annular connecting rod, the front side annular connecting rod and the rear side annular connecting rod are vertically arranged in parallel,
The third connecting rod fixes front edge of board and is provided with the first front side bearing, and rear end is provided with the first rear side bearing, and the fourth link is fixed
Front edge of board is provided with the second front side bearing, and rear end is provided with the second rear side bearing, and described front side annular connecting rod one end penetrates described first
In the bearing hole of front side bearing, the other end is penetrated in the bearing hole of second front side bearing, described rear side annular connecting rod one end
Penetrate in the bearing hole of the first rear side bearing, the other end is penetrated in the bearing hole of the second rear side bearing.
Further, the second connecting rod fixed plate rivets with the third connecting rod fixed plate.
Further, the location-plate is fixedly connected with the vertical parallel quadric chain.
Compared with prior art, the present invention has advantages below：
First, when each part of the present invention is installed in place, in the presence of branch sleeve is measured, gag lever post axially will be with biography
The plane of sensor position-limit mechanism positioning keeps vertical, so angular transducer no matter in any spatiality, (survey by its rotary shaft
Measure axle) it is vertical with the plane holding of sensor position-limit mechanism positioning all the time with the plane of gag lever post composition, have by this suitable
The vertical relation of answering property realizes the function of reference direction grappling (because this vertical relation ensure that measurement axle in front rotary shaft bearing cap
On be translation, measurement axle no matter translation be arranged on its deflection angle measured of which position be certain), therefore, the device
It can be conveniently installed in tractor front-wheel rotating shaft, not swung by angle measuring sensor is influenceed, and tractor is shaken
There is very strong adaptability, be suitable for the alignment error of angle measuring sensor, carry out automatic reference direction grappling, reduce measurement and miss
Difference, make measured drift angle and the actual drift angle of tractor front-wheel closer, greatly improve measurement accuracy, can be that tractor is automatic
Navigation provides accurate front wheel slip angle data.Second, the gag lever post of the present invention is fixed by vertical degree of freedom hinge with sensor
Ring is connected, and gag lever post is measured in angular transducer in axial plane and swings, gag lever post is stretched into measurement branch sleeve, can
Axial movement, keep direction consistent, and be unlikely to come off, so as to realize plane limit function, also avoid the occurrence of jam phenomenon；It is flat
Telephone-moving structure can move measurement branch sleeve by the connection of vertical parallel quadric chain and horizontal parallel quadric chain
It can keep direction constant when dynamic, remain parallel, carry out so that gag lever post affects the rotary shaft of angular transducer only
It can be translated on front rotary shaft bearing cap.
Third, the present invention installation adaptive ability it is strong, can adjust automatically to adapt to different measurement axle postures, protect all the time
It is constant to hold reference direction, accommodation is big.
Fourth, the sensor fixed mechanism and sensor position-limit mechanism in the present invention are using magnet steel absorption installation, installation
It is convenient with dismantling, plug and play is can be achieved with without destroying tractor original structure, that is, tears open and walks.
Fifth, the present invention is compact-sized, without taking excessive space, tractor normal direction of rotation operation is not interfered with；Each portion
Part is relatively independent, convenient maintenance and maintenance, wherein each component damage only needs to replace corresponding component, without whole replacings；With
Special construction realizes complicated reference direction grappling function, and cost is relatively low, has very high promotional value.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the reference direction anchoring device for the measurement of tractor front-wheel deflection angle.
Fig. 2 is the installation process schematic diagram of anchoring device in Fig. 1.
Fig. 3 is the installation process schematic diagram of angular transducer in Fig. 1.
Fig. 4 is that structural representation is cutd open in the side of translation mechanism and measurement branch sleeve in Fig. 1.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, is easy to more clearly understand the present invention, but they
The present invention is not formed and limited.
Such as Fig. 1, the reference direction anchoring device for being used for the measurement of tractor front-wheel deflection angle shown in Fig. 2, including angle
Sensor 1 and the angular transducer mounting bracket 3 being fixed on front rotary shaft bearing cap 2, the rotary shaft 1-1 of angular transducer 1 with
Angular transducer mounting bracket 3 is fixedly connected, and the vertical front rotary shaft bearing caps 2 of rotary shaft 1-1 of angular transducer 1, in addition to
Sensor position-limit mechanism 4 and sensor fixed mechanism 5, the vertical front rotary shaft bearing cap 2 of sensor position-limit mechanism 4, sensor is spacing
Translation mechanism 6 is connected with mechanism 4, measurement branch sleeve 7, measurement branch sleeve 7 and sensor position restrainer are connected with translation mechanism 6
Structure 4 is vertical；Angular transducer 1 is fixed on sensor fixed mechanism 5, and gag lever post 8 is connected with sensor fixed mechanism 5, spacing
Bar 8 is limited in measurement branch sleeve.
In such scheme, with reference to shown in Fig. 3, mounting frame for sensor 3 includes support frame 3-1, sensed for setting angle
The rotary shaft 1-1 of device 1 installation cylinder 3-2 and 3 supports fix magnet steel 3-3, and support frame 3-1 is Y type support frames, and support fixes magnetic
It is fixedly connected at the top of steel 3-3 by bolt with support frame 3-1, bottom is adsorbed on the front rotary shaft bearing cap 2 of tractor, installation circle
Cylinder 3-2 tops are fixedly connected with the rotary shaft 1-1 of angular transducer 1, and bottom is welded on support frame 3-1.Pass through welding and Y types
Support frame 1-1 is fixed.Front rotary shaft bearing cap 2 can rotate with tractor front-drive, so as to measure front wheel angle.
In such scheme, with reference to shown in Fig. 3, sensor fixed mechanism 5 includes sensor retainer ring 5-1, angular transducer 1
It is fixed in sensor retainer ring 5-1, sensor retainer ring 5-1 realizes the fixation with angular transducer 1, angle by fastening bolt
The rotary shaft 1-1 of degree sensor 1 stretches out from sensor retainer ring 5-1 and is fixed in installation cylinder 3-2, sensor retainer ring
Gag lever post 8 and the fixation otic placode 5-2 for fixing sensor retainer ring 5-1 are connected with 5-1 side walls.Sensor retainer ring 5-1 sides
The left connection board 5-3 and right connection board 5-4 being arranged symmetrically, left connection board 5-3 and right connection board 5-4 difference are also fixed with wall
Vertical front rotary shaft bearing cap 2, the one end of gag lever post 8 is hinged between left connection board 5-3 and right connection board 5-4, and the other end stretches into measurement
In branch sleeve 7, gag lever post 8 can not fall off not jam with the measurement axial translation of branch sleeve 7, and gag lever post 8 can only be
Swung in the perpendicular plane of angular transducer 1, so as to realize plane limit function.
In such scheme, with reference to shown in Fig. 4, translation mechanism 6 includes horizontal parallel quadric chain 6-1 and vertical parallel four
Linkage 6-2, horizontal parallel quadric chain 6-1 one end with measurement branch sleeve 7 be fixedly connected, the other end with it is vertical parallel
Quadric chain 6-2 is riveted, and vertical parallel quadric chain 6-2 is fixedly connected with sensor position-limit mechanism 4.Horizontal parallel four connects
Linkage 6-1 includes first connecting rod fixed plate 6-11, second connecting rod fixed plate 6-12, top annular connecting rod 6-13 and base circle
Connecting rod 6-14, top annular connecting rod 6-13 and base circle connecting rod 6-14 are arranged in parallel in the horizontal direction, measure branch sleeve 7 one
End is weldingly fixed in the middle part of first connecting rod fixed plate 6-11, and the first top bearing 6- is provided with the top of first connecting rod fixed plate 6-11
15, bottom is provided with the first bottom bearing 6-16, is provided with the second top bearing 6-17 at the top of second connecting rod fixed plate 6-12, bottom is set
There is the second bottom bearing 6-18, top annular connecting rod 6-13 one end is penetrated in the first top bearing 6-15 bearing hole, the other end
Penetrate in the second top bearing 6-17 bearing hole, base circle connecting rod 6-14 one end penetrates the first bottom bearing 6-16 bearing
Kong Zhong, the other end are penetrated in the second bottom bearing 6-18 bearing hole.Vertical parallel quadric chain 6-2 consolidates including third connecting rod
Fixed board 6-21, fourth link fixed plate 6-22, front side annular connecting rod 6-23 and rear side annular connecting rod 6-24, front side annular connecting rod 6-
23 and rear side annular connecting rod 6-24 is vertically arranged in parallel, and third connecting rod fixed plate 6-21 front ends are provided with the first front side bearing
6-25, rear end are provided with the first rear side bearing 6-26, and fourth link fixed plate 6-22 front ends are provided with the second front side bearing 6-27, rear end
Provided with the second rear side bearing 6-28, front side annular connecting rod 6-23 one end is penetrated in the first front side bearing 6-25 bearing hole, another
End is penetrated in the second front side bearing 6-27 bearing hole, and rear side annular connecting rod 6-24 one end penetrates the first rear side bearing 6-26 axle
In bearing bore, the other end is penetrated in the second rear side bearing 6-28 bearing hole.Second connecting rod fixed plate 6-12 fixes with third connecting rod
Plate 6-21 is connected by rivet 10, so as to which horizontal parallel quadric chain 6-1 connected with vertical parallel quadric chain 6-2
Come, and then measurement branch sleeve 7 can be enable to keep direction constant when relative movement, can only translate.
In such scheme, sensor position-limit mechanism 4 is a right angle rack, and it includes location-plate 4-1 and 3 location-plates are consolidated
Determine magnet steel 4-2, location-plate is fixed magnet steel 4-2 and is fixedly connected by bolt location-plate 4-1, and opposite side is adsorbed in dilatory head platform
On 9, the effect of its fixing device, the vertical front rotary shaft bearing caps 2 of location-plate 4-1, and location-plate 4-1 and fourth link fixed plate 6-
22 are bolted to connection, and location-plate 4-1 plays a part of positioning plane, measurement branch sleeve 7 anyway it is mobile all with
The plane of location-plate 4-1 positioning is vertical.
The course of work of the above-mentioned reference direction anchoring device for the measurement of tractor front-wheel deflection angle is as follows：First will
Sensor fixed mechanism 5 is installed on angular transducer 1, is then installed angular transducer 1 into angular transducer mounting bracket
3, then angular transducer mounting bracket 3 is adsorbed above according to the bolt position on tractor front rotary shaft bearing cap 2, completed
Gag lever post 8 is inserted into measurement branch sleeve 7 after appeal installation, then selects suitable position to adsorb sensor position-limit mechanism 4
Onto dilatory head platform 9, adjustment location-plate 4-1 position generally remains the level of gag lever post 8, while makes gag lever post 8 and translation
Mechanism 6 is substantially remained on same straight line, and translation mechanism 6 is in extended configuration.When the former components of the present apparatus are installed
When in place, gag lever post 8 is axially vertical by the plane positioned with location-plate 4-1 holding, so no matter angular transducer 1 is in any
Spatiality its rotary shaft 1-1 and the plane that gag lever post 8 forms are vertical with the plane holding of location-plate 4-1 positioning all the time, pass through
This adaptable vertical relation realizes the function of reference direction grappling (because this vertical relation ensure that measurement axle preceding
It is translation that shaft bearing, which covers, and it is certain that measurement axle is arranged on its deflection angle measured of which position regardless of translation), because
This, the device can be conveniently installed in tractor front-wheel rotating shaft, and not swung by angle measuring sensor is influenceed, to dilatory
Machine vibrations also have very strong adaptability, are suitable for the alignment error of angle measuring sensor, carry out automatic reference direction grappling, subtract
Small measurement error, make measured drift angle and the actual drift angle of tractor front-wheel closer, greatly improve measurement accuracy.The present apparatus
Obtained during use without manual operation, acquisition angles sensor angles signal by angular transducer 1, more traditional orientation method sheet
Device can grappling reference direction, by angular transducer 1 swing influenceed, to vibrations being also adapted to property it is strong.
Claims (10)
1. it is a kind of for tractor front-wheel deflection angle measurement reference direction anchoring device, including angular transducer (1) and consolidate
The angular transducer mounting bracket (3) being scheduled on front rotary shaft bearing cap (2), the rotary shaft (1-1) of the angular transducer (1) with
The angular transducer mounting bracket (3) is fixedly connected, and the angular transducer (1) rotary shaft (1-1) it is vertical it is described before
Shaft bearing lid (2), it is characterised in that：Also include sensor position-limit mechanism (4) and sensor fixed mechanism (5), the sensing
The vertical front rotary shaft bearing cap (2) of device position-limit mechanism (4), translation mechanism (6) is connected with the sensor position-limit mechanism (4),
Measurement branch sleeve (7), the measurement branch sleeve (7) and the sensor position-limit mechanism are connected with the translation mechanism (6)
(4) it is vertical；The angular transducer (1) is fixed on the sensor fixed mechanism (5), the sensor fixed mechanism (5)
On be connected with gag lever post (8), the gag lever post (8) is limited in the measurement branch sleeve.
2. being used for the reference direction anchoring device of tractor front-wheel deflection angle measurement according to claim 1, its feature exists
In：The sensor fixed mechanism (5) includes sensor retainer ring (5-1), and the angular transducer (1) is fixed on the sensing
In device retainer ring (5-1), fixed otic placode (5-2) and the gag lever post (8) are connected with sensor retainer ring (5-1) side wall.
3. being used for the reference direction anchoring device of tractor front-wheel deflection angle measurement according to claim 1, its feature exists
In：The translation mechanism (6) includes horizontal parallel quadric chain (6-1) and vertical parallel quadric chain (6-2), the water
Flat parallel four-bar linkage (6-1) one end is fixedly connected with the measurement branch sleeve (7), the other end and described vertical parallel four
Linkage (6-2) rivets, and the vertical parallel quadric chain (6-2) is fixedly connected with the sensor position-limit mechanism (4).
4. it is used for the reference direction anchoring device of tractor front-wheel deflection angle measurement, its feature according to claim 1 or 3
It is：The sensor position-limit mechanism (4) includes location-plate (4-1) and some location-plates fix magnet steel (4-2), the location-plate
Fixed magnet steel (4-2) is fixedly connected with the location-plate (4-1), the vertical front rotary shaft bearing cap of the location-plate (4-1)
(2)。
5. being used for the reference direction anchoring device of tractor front-wheel deflection angle measurement according to claim 1, its feature exists
In：The mounting frame for sensor (3) includes support frame (3-1), installation cylinder (3-2) and some supports and fixes magnet steel (3-3),
The support is fixed at the top of magnet steel (3-3) and is fixedly connected with support frame as described above (3-1), and bottom is adsorbed in the front rotary shaft bearing cap
(2) on, installation cylinder (3-2) top is fixedly connected with the rotary shaft (1-1) of the angular transducer (1), bottom and institute
Support frame (3-1) is stated to be fixedly connected.
6. being used for the reference direction anchoring device of tractor front-wheel deflection angle measurement according to claim 2, its feature exists
In：The left connection board (5-3) and right connection board (5-4) being arranged symmetrically are fixed with the sensor retainer ring (5-1), it is described
Left connection board (5-3) and the right connection board (5-4) are respectively perpendicular the front rotary shaft bearing cap (2), described gag lever post (8) one end
It is hinged between the left connection board (5-3) and the right connection board (5-4), the other end is stretched into the measurement branch sleeve (7).
7. being used for the reference direction anchoring device of tractor front-wheel deflection angle measurement according to claim 3, its feature exists
In：The horizontal parallel quadric chain (6-1) includes first connecting rod fixed plate (6-11), second connecting rod fixed plate (6-12),
Top annular connecting rod (6-13) and base circle connecting rod (6-14), the top annular connecting rod (6-13) and the base circle connect
Bar (6-14) is arranged in parallel in the horizontal direction, and the first top bearing (6- is provided with the top of the first connecting rod fixed plate (6-11)
15), bottom is provided with the first bottom bearing (6-16), and the second top bearing is provided with the top of the second connecting rod fixed plate (6-12)
(6-17), bottom are provided with the second bottom bearing (6-18), and described top annular connecting rod (6-13) one end penetrates first top
In the bearing hole of bearing (6-15), the other end is penetrated in the bearing hole of second top bearing (6-17), the base circle
Connecting rod (6-14) one end is penetrated in the bearing hole of first bottom bearing (6-16), and the other end penetrates second bottom bearing
In the bearing hole of (6-18).
8. it is used for the reference direction anchoring device of tractor front-wheel deflection angle measurement, its feature according to claim 3 or 7
It is：The vertical parallel quadric chain (6-2) includes third connecting rod fixed plate (6-21), fourth link fixed plate (6-
22), front side annular connecting rod (6-23) and rear side annular connecting rod (6-24), the front side annular connecting rod (6-23) and the rear side ring
Shape connecting rod (6-24) is vertically arranged in parallel, and third connecting rod fixed plate (6-21) front end is provided with the first front side bearing
(6-25), rear end are provided with the first rear side bearing (6-26), and fourth link fixed plate (6-22) front end is provided with the second front side shaft
Hold (6-27), rear end is provided with the second rear side bearing (6-28), before described front side annular connecting rod (6-23) one end penetrates described first
In the bearing hole of side bearing (6-25), the other end is penetrated in the bearing hole of second front side bearing (6-27), the rear side ring
Shape connecting rod (6-24) one end is penetrated in the bearing hole of the first rear side bearing (6-26), and the other end penetrates the second rear side axle
In the bearing hole for holding (6-28).
9. being used for the reference direction anchoring device of tractor front-wheel deflection angle measurement according to claim 8, its feature exists
In：The second connecting rod fixed plate (6-12) rivets with the third connecting rod fixed plate (6-21).
10. being used for the reference direction anchoring device of tractor front-wheel deflection angle measurement according to claim 4, its feature exists
In：The location-plate (4-1) is fixedly connected with the vertical parallel quadric chain (6-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710761031.2A CN107543523A (en) | 2017-08-30 | 2017-08-30 | Reference direction anchoring device for the measurement of tractor front-wheel deflection angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710761031.2A CN107543523A (en) | 2017-08-30 | 2017-08-30 | Reference direction anchoring device for the measurement of tractor front-wheel deflection angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107543523A true CN107543523A (en) | 2018-01-05 |
Family
ID=60959237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710761031.2A Pending CN107543523A (en) | 2017-08-30 | 2017-08-30 | Reference direction anchoring device for the measurement of tractor front-wheel deflection angle |
Country Status (1)
| Country | Link |
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| CN (1) | CN107543523A (en) |
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| CN110608706A (en) * | 2018-06-15 | 2019-12-24 | 柳州博实唯汽车科技股份有限公司 | Articulated angle measuring instrument for tractor and automobile |
| CN114104105A (en) * | 2020-08-25 | 2022-03-01 | 郑州宇通客车股份有限公司 | Steering angle measuring device and trailer |
| CN114516367A (en) * | 2022-03-30 | 2022-05-20 | 清华大学 | Automatic angle control system of unmanned road roller |
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| CN110608706B (en) * | 2018-06-15 | 2024-03-08 | 柳州博实唯汽车科技股份有限公司 | Tractor and automobile hinge angle measuring instrument |
| CN114104105A (en) * | 2020-08-25 | 2022-03-01 | 郑州宇通客车股份有限公司 | Steering angle measuring device and trailer |
| CN114516367A (en) * | 2022-03-30 | 2022-05-20 | 清华大学 | Automatic angle control system of unmanned road roller |
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