CN106143610A - Steering angle measurement apparatus - Google Patents
Steering angle measurement apparatus Download PDFInfo
- Publication number
- CN106143610A CN106143610A CN201610793477.9A CN201610793477A CN106143610A CN 106143610 A CN106143610 A CN 106143610A CN 201610793477 A CN201610793477 A CN 201610793477A CN 106143610 A CN106143610 A CN 106143610A
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- China
- Prior art keywords
- installing hole
- displacement sensor
- measurement apparatus
- seat
- steering angle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D15/00—Steering not otherwise provided for
- B62D15/02—Steering position indicators ; Steering position determination; Steering aids
- B62D15/021—Determination of steering angle
- B62D15/023—Determination of steering angle by measuring on the king pin
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Guiding Agricultural Machines (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a kind of steering angle measurement apparatus, described steering angle measurement apparatus includes the angle displacement sensor (2) being fixed on the body (1) of agricultural machinery, and the power shaft of described angle displacement sensor (2) is positioned at the surface of left and right turn joint (3) of described agricultural machinery and is in transmission connection with described left and right turn joint (3).The steering angle measurement apparatus that the present invention provides by being arranged on the surface of the left and right turn joint of agricultural machinery and being connected with the left and right turn joint of agricultural machinery by the power shaft of angle displacement sensor, eliminate connecting rod of the prior art and swing arm, therefore relative to existing agricultural machinery rudder angle measurement device, take up space little, adjustment and installation is simple, can be effectively improved the precision of the angle displacement data that angle displacement sensor is surveyed.
Description
Technical field
The present invention relates to agricultural machinery self-navigation driving technology field, particularly relate to a kind of for measuring turning of agricultural machinery steering angle
To angle measurement unit.
Background technology
In recent years, the most perfect along with the development of aerospace industry and dipper system, self-navigation control loop was in agricultural
On application the most increasingly paid attention to by relevant industries, the nearlyest 2 years, on agricultural machinery application navigation product be outburst
Formula increases, and also tends to maturation technically.
Agricultural machinery self-navigation control loop mainly includes ECU, signal receiver, satellite antenna, radio antenna, angle displacement
Sensor and electromagnetic hydraulic valve and switch.Agricultural machinery self-navigation control loop operationally, accepts satellite by signal receiver
Antenna, the information of radio station electric wire are also done calculus of differences and are drawn location information, then send location information to ECU, simultaneously angle
The wheel angle of displacement transducer detection agricultural machinery, ECU is according to location information and combines the agricultural machinery that angle displacement sensor detects
Wheel angle draws the position of agricultural machinery, speed and course information, and is delivered to touch screen and shows；Operator by touch screen to
The travel routes information that ECU input is preset, ECU feeds back to touch screen according to the travel routes information preset of input and shows, from
And realize the self-navigation of agricultural machinery.
In agricultural machinery self-navigation control loop, the left and right sides of the agricultural machinery that angle displacement sensor is run at high speed for perception
Gyration, is one of the key equipment of agricultural machinery self-navigation control loop.On existing agricultural vehicle, as it is shown in figure 1, angle position
Displacement sensor is fixed seat by sensor and is arranged in mounting bracket, is fixed on the vehicle frame of agricultural vehicle with this, and angle displacement passes
The power shaft of sensor 1 ' is connected with the left and right turn joint of agricultural vehicle by swing arm linkage.The left and right turn joint of agricultural vehicle turns
Dynamic, drivening rod about 2 ' action, swing arm 3 ' swings therewith, and the power shaft perception swing arm 3 ' of angle displacement sensor 1 ' swings
Mechanical displacement data are converted to the signal of telecommunication and export to ECU, complete the collection of vehicle steering angle information by angle position.
But, in above-mentioned agricultural machinery steering angle measurement apparatus, owing to connecting rod 2 ' and swing arm 3 ' are required for bigger peace
Dress space and motion space, installation and debugging are loaded down with trivial details, and agricultural machinery straw in operation process easily causes the damage of connecting rod 2 ' and swing arm 3 '
Bad and more installation indirect relation can make the angle displacement data collected have error.For existing agricultural machinery steering angle
These problems that degree measurement apparatus exists, those skilled in the art attempt to be shortened by the length of connecting rod 2 ' and swing arm 3 ', and
The mode arranging position of connecting rod 2 ' and swing arm 3 ' that changes is to improve steering angle measurement apparatus, but all can not effectively solve above-mentioned
These problems.
Summary of the invention
It is an object of the invention to provide a kind of steering angle measurement apparatus, it is possible to effectively solve existing steering angle and measure
The above-mentioned technical problem that device exists.
To achieve these goals, the invention provides a kind of steering angle measurement apparatus, described steering angle measures dress
Putting the angle displacement sensor including being fixed on the body of agricultural machinery, the power shaft of described angle displacement sensor is positioned at described agriculture
Machine left and right turn joint surface and with described left and right turn joint be in transmission connection.
Preferably, by connecting, assembly frame and described body are fixing to be connected described angle displacement sensor.
It is further preferred that described connection assembly frame includes the connection support being arranged on described body and is fixedly mounted on
Seat fixed by sensor on described connection support, and described angle displacement sensor is arranged on described sensor and fixes on seat.
Preferably, described connection support includes the fixture being arranged on described body, is fixed on described fixture
Perpendicular support and the lateral frame being fixed on described perpendicular support, described sensor is fixed seat and is arranged on described lateral frame.
Preferably, described sensor is fixed seat and is included being provided with the pedestal of installing hole and be installed in rotation on described installation
Axle sleeve on hole, one end of described axle sleeve is connected with the power shaft of described angle displacement sensor, the other end and described left/right rotation
Being in transmission connection to joint, the upper surface of described pedestal is provided with resilient dust part, described resilient dust part is around described installing hole.
Preferably, described axle sleeve is arranged on described pedestal by bearing, and described pedestal includes base and installs the described end
The seat of honour on seat, described resilient dust part is arranged on the upper surface at the described seat of honour.
It is further preferred that offer installing hole on the described seat of honour, described base offers lower installing hole, described on
Installing hole and lower installing hole form described installing hole, are installed with clutch shaft bearing on described in installing hole, in described lower peace
Being installed with the second bearing, described clutch shaft bearing and the second coaxial bearing in dress hole to arrange, described axle sleeve is arranged on described
On installing hole and lower installing hole.
Preferably, the power shaft of described angle displacement sensor connects the left/right rotation of support and described agricultural machinery by sensor
Being in transmission connection to joint, described sensor connects support and includes installing plate and be arranged on described installing plate for passing with angle displacement
The connection seat that the power shaft of sensor is in transmission connection, described installing plate offers for through the of the bolt on left and right turn joint
One group of installing hole and second group of installing hole, described first group of installing hole includes three the first installing holes, installs for three described first
Hole angle each other is 120 degree, and described second group of installing hole includes four the second installing holes, installs for four described second
Hole angle each other is 90 degree, and described first installing hole and described second installing hole are Long Circle or ellipse.
Preferably, 1 described first mounting hole site between two described second installing holes, two other first installing hole
Partially overlap with two other second installing hole respectively.
Preferably, described connection seat is in transmission connection by the output shaft of Hooks coupling universal coupling with described angle displacement sensor,
The driving shaft of described Hooks coupling universal coupling is fixedly connected on connection seat, and the driven shaft of Hooks coupling universal coupling senses with described angle displacement
The output shaft of device is in transmission connection.
The present invention is with the difference of prior art, and the steering angle measurement apparatus that the present invention provides is by by angle
The power shaft of displacement transducer is arranged on the surface of the left and right turn joint of agricultural machinery and is connected with the left and right turn joint of agricultural machinery, can
Directly the rotation that left and right turn saves to be input in angle displacement sensor, eliminate connecting rod of the prior art and swing arm,
Therefore relative to existing agricultural machinery rudder angle measurement device, taking up space little, adjustment and installation is simple, can be effectively improved angle
The precision of the angle displacement data that displacement transducer is surveyed.
Accompanying drawing explanation
By the detailed description that non-limiting example is made made with reference to the following drawings of reading, other of the application
Feature, purpose and advantage will become more apparent upon:
Fig. 1 is the structural representation of the linkage oscillating-arm steering angle measurement apparatus of prior art；
Fig. 2 is the structural representation of the steering angle measurement apparatus of a kind of embodiment that the present invention provides；
Fig. 3 is the structural representation in another direction of the steering angle measurement apparatus shown in Fig. 2；
Fig. 4 is the structural representation that seat fixed by the sensor of the steering angle measurement apparatus shown in Fig. 2；
Fig. 5 is the top view that seat fixed by the sensor shown in Fig. 4；
Fig. 6 is the sectional view that seat fixed by the sensor shown in Fig. 4；
Fig. 7 is the structural representation of the sensor connection support of the steering angle measurement apparatus shown in Fig. 2；
Fig. 8 is the top view that the sensor shown in Fig. 7 connects support.
Description of reference numerals:
1-body；2-angle displacement sensor；21-pickup dust-proofing cover；3-left and right turn saves；Seat fixed by 4-sensor；
41-pedestal；411-base；The 412-seat of honour；The upper installing hole of 413-；Installing hole under 414-；415-clutch shaft bearing；416-the second axle
Hold；42-axle sleeve；The 421-shaft shoulder；43-resilient dust part；5-sensor connects support；51-installing plate；511-the first installing hole；
512-the second installing hole；513-centre bore；52-connects seat；521-the first connecting plate；522-the second connecting plate；6-universal joint shaft
Device；71-erects support；72-lateral frame；73-fixture.
Detailed description of the invention
With embodiment, the application is described in further detail below in conjunction with the accompanying drawings.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to this invention.It also should be noted that, in order to
It is easy to describe, accompanying drawing illustrate only and invent relevant part.
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Combination mutually.Describe the application below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Defining some nouns of locality in the present invention, in the case of not being specified to the contrary, the noun of locality used is such as
" upper and lower " refers to what the steering angle measurement apparatus that the present invention provides defined under normal usage, and with shown in accompanying drawing 2
Direction up and down consistent." inside and outside " refers to inside and outside relative to the profile of each parts own.These nouns of locality are in order to just
Use in understanding, thus do not constitute limiting the scope of the invention.
In the present invention, when parts are considered as " connection " another parts, and it can be directly to
Another parts or may be simultaneously present parts placed in the middle.When parts are considered as " being arranged at " another zero
Part, it can be to be set directly on another parts or may be simultaneously present parts placed in the middle.
Suitably with reference to shown in Fig. 2, the described steering angle measurement apparatus of the basic embodiment that the present invention provides includes solid
The angle displacement sensor 2 being scheduled on the body 1 of agricultural machinery, the power shaft of described angle displacement sensor 2 is positioned at described agricultural machinery
Left and right turn saves the surface of 3 and is in transmission connection with described left and right turn joint 3.
In above-mentioned basic embodiment, described body 1 refers to save 3 fixed positions relative to described left and right turn
Put, for example, it may be the 4 wheel driven propons of tractor, or relative to the described fixed position of 4 wheel driven propons, with when a left side
During right turn joint 3 rotation, the housing of angle displacement sensor 2 is relatively fixed motionless.
The power shaft of described angle displacement sensor 2 is positioned at the surface of the left and right turn joint 3 of described agricultural machinery, refers to angle
Displacement transducer 2 is generally in relative position as shown in Figure 1 with left and right turn joint 3.The input of described angle displacement sensor 2
Axle is in transmission connection with described left and right turn joint 3, refers to that the power shaft of described angle displacement sensor 2 can save 3 with left and right turn
It is directly connected to, it is also possible to be connected with left and right turn joint 3 by the structure such as shaft coupling or axle sleeve.
The steering angle measurement apparatus that above-mentioned basic embodiment provides in use, needs angle displacement sensor 2
Power shaft be arranged on the surface of left and right turn joint 3 of agricultural machinery and save 3 with the left and right turn of agricultural machinery and be connected, and due to angle
Degree displacement transducer 2 is fixed on body 1, and therefore when the steering wheel left-right rotation of agricultural machinery, connected hydraulic system pushes away
The rotation of dynamic left and right turn joint 3, can directly be delivered to the amount angular displacement of left and right turn joint 3 in angle displacement sensor 2, angle
The angle displacement signal of physics is converted to the signal of telecommunication by degree displacement transducer 2 again, and the signal of telecommunication is transferred signals to by data wire
In ECU, thus complete agricultural vehicle self-navigation drive in turn to data acquisition.
In the present invention, described angle displacement sensor 2 can by various suitable by the way of be fixed on body 1.For
Preferably the power shaft of angle displacement sensor 2 and left and right turn are saved 3 to be in transmission connection, present invention preferably employs described angle
By connecting, assembly frame is fixing with described body 1 to be connected displacement transducer 2.
Suitably with reference to shown in Fig. 2, Fig. 3, described connection assembly frame includes that the connection support being arranged on described body 1 is with solid
Seat 4 fixed by the sensor that Dingan County is contained on described connection support, and described angle displacement sensor 2 is arranged on described sensor and fixes
On seat 4.
Seat 4 is fixed by arranging sensor, can be with connection interface (such as the installing hole etc.) phase on angle displacement sensor 2
Coordinate, easily facilitate the fixing of angle displacement sensor 2.
Further, in order to avoid badly affecting service life and the essence of angle displacement sensor 2 due to working environment
Degree, is also equipped with pickup dust-proofing cover 21 on described angle displacement sensor 2.
In the present invention, seat 4 is fixed in order to preferably fix sensor, it is preferable that as shown in Figure 2 and Figure 3, described connection
Support includes the fixture 73 being arranged on described body 1, the perpendicular support 71 being fixed on described fixture 73 and is fixed on institute
Stating the lateral frame 72 on perpendicular support 71, described sensor is fixed seat 4 and is arranged on described lateral frame 72.
By arranging perpendicular support 71, and lateral frame 72 is installed on perpendicular support 71, so that angle displacement sensor 2
In the surface of described left and right turn joint 3, and make the power shaft of angle displacement sensor 2 and the rotation of left and right turn joint 3
Axis keeps coaxial.
When the rod-like structure that body 1 is 4 wheel driven propons as shown in Figure 2 or similar 4 wheel driven propons, for the ease of perpendicular
Fixing of frame 71, described fixture 73 includes U-shaped clamp and U-shaped screw rod, when mounted, first by U-shaped screw sleeve before 4 wheel driven
On bridge, then U-shaped clamp is arranged on U-shaped screw rod, after adjusting position, is locked U-shaped clamp and U-shaped with self-locking nut
Screw rod.Wherein said U-shaped clamp and U-shaped screw rod should adapt with the shape of 4 wheel driven propons.
For the ease of being fixed on U-shaped clamp by perpendicular support 71, described perpendicular support 71 can be L-shaped, and perpendicular support 71 is relatively
Short one end is fixed together with U-shaped clamp by bolt.Certainly, perpendicular support 71 can also be fixed on by other means
On U-shaped clamp, such as welding etc..
Described lateral frame 72 can use platy structure, and lateral frame 72 can be fixed on perpendicular the mode such as to be bolted
On frame 71, lateral frame 72 is preferably at right angles arranged with perpendicular support 71, and described sensor is fixed seat 4 and is bolted on lateral frame
On 72.
In a preferred embodiment of the invention, with reference to shown in Fig. 4, Fig. 5, Fig. 6, described sensor is fixed seat 4 and is included
The pedestal 41 being provided with installing hole and the axle sleeve 42 being installed in rotation on described installing hole, one end of described axle sleeve 42 and institute
The power shaft stating angle displacement sensor 2 connects, and the other end and described left and right turn save 3 and be in transmission connection, described pedestal 41 upper
Being provided with resilient dust part 43 on surface, described resilient dust part 43 is around described installing hole.
Described resilient dust part 43, around described installing hole, refers to around the installing hole of pedestal 41 upper surface, all
Flexible dust guard 43 exists, and i.e. offers centre bore in thrum dust guard 43, and centre bore is more than or equal to pedestal upper surface
The size of installing hole, after resilient dust part 43 is arranged at pedestal 41 upper surface, the installing hole of pedestal 41 upper surface is by bullet
Property dust guard 43 centre bore in come out, consequently facilitating the axle sleeve on the power shaft of angle displacement sensor 2 and pedestal 41
42 connect.
When angle displacement sensor 2 be arranged on sensor fix on seat 4 time, the power shaft of angle displacement sensor 2 stretches into
In axle sleeve 42 in described installing hole, fix with the upper end of axle sleeve 42 and be connected.The end at the power shaft place of angle displacement sensor 2
Face (i.e. lower surface) is in close contact with the upper surface of pedestal 41, extrudes resilient dust part 43.Resilient dust part 43 is around described peace
Dress hole is extruded, and is sealed the gap between the lower surface of angle displacement sensor 2 and pedestal 41 upper surface, stops dust to fall
Enter in installing hole.
Described resilient dust part 43 refers to can occur under external force the part of elastic deformation, such as, by rubber or
The part that person's polyurethane or silica gel elastomeric material are made.Resilient dust part 43 is extruded a certain degree of elastic change of generation
Shape, after considering the factors such as use condition, manufacturing cost, resilient dust part 43 of the present invention uses rubber to make.
In order to reduce the impact that axle sleeve 42 is rotated by frictional force, in a preferred embodiment of the invention, described axle
Set 42 is arranged on described pedestal 41 by bearing.Concrete mounting means can be suitably with reference to Fig. 6, and described pedestal 41 includes the end
Seat 411 and the seat of honour 412 installed on described base 411, described resilient dust part 43 is arranged on the upper surface at the described seat of honour 412
On.
In the above-described embodiments, pedestal 41 is divided into upper and lower two parts, the installation of bearing can be facilitated.Described axle sleeve 42
Upper end may be located in described installing hole, it is also possible to stretches out in installing hole, for preferably setting angle displacement transducer 2, excellent
Selection of land, the upper end of axle sleeve 42 is positioned at described installing hole.Axle sleeve 42 is arranged on pedestal 41 by bearing.Based on same reason
By, described installing hole is stretched out in the lower end of described axle sleeve 42, and convenient and other parts (such as, Hooks coupling universal coupling) connect.
In the specific embodiment shown in Fig. 4, the upper surface of pedestal 41 is shaped as square, convenient in order to install alignment,
The shape of described resilient dust part 43 is consistent with the upper surface shape at the described seat of honour 412, is also square.But the elasticity of the present invention
The shape of dust guard 43 is not limited to this, it is also possible to consistent, always with the end surface shape at the power shaft place of angle displacement sensor 2
For it, as long as can be around installing hole, it is possible to reach seal installing hole effect.
Described bearing can be selected for all kinds, but in order to prevent dust from entering the input of touch sensor in axle sleeve further
Axle, a preferred embodiment of the present invention is that described axle sleeve 42 is arranged on described pedestal 41 by shield bearing.
In the present invention, the described seat of honour 412 offers installing hole 413, described base 411 offers lower installing hole
414, described upper installing hole 413 and lower installing hole 414 form described installing hole, are installed with on described in installing hole 413
Clutch shaft bearing 415, is installed with the second bearing 416, described clutch shaft bearing 415 and the second axle in described lower installing hole 414
Holding 416 to be coaxially disposed, described axle sleeve 42 is arranged in described upper installing hole 413 and lower installing hole 414.By using clutch shaft bearing
415 and second mode that be simultaneously connected with axle sleeve 42 of bearing 416, can better ensure that the axis of axle sleeve 42 is in vertical shape
State.
Specifically, as shown in Figure 6, described upper installing hole 413 is up-small and down-big shoulder hole, described lower installing hole 414
For up big and down small shoulder hole, described axle sleeve 42 is provided with for fixing clutch shaft bearing 415 and the shaft shoulder of the second bearing 416
421。
During installation, can first clutch shaft bearing 415 be arranged in the large shaft sleeve hole of upper installing hole 413, by the peace of axle sleeve 42
Dress section is inserted in the inner ring of clutch shaft bearing 415, and the shaft shoulder 421 of axle sleeve 42 is resisted against clutch shaft bearing 415；Second bearing 416 is pacified
Being loaded in the lower installing hole 414 of base 411, the two be enclosed within together on axle sleeve 42, the inner ring of the second bearing 416 is also supported at axle
On shoulder 421, finally, being connected to one in the seat of honour 412 and base 411, the mode of connection can be multiple, as welded,
In the present embodiment, the seat of honour 412 and base 411 are bolted to connection.The seat of honour 412 and the end face contacted with each other of base 411
For the plane that roughness is less, when the two being fastened by bolt, dust can be avoided between the seat of honour 412 and base 411
Enter.
In the present invention, the power shaft of described angle displacement sensor 2 connects support 5 and described agricultural machinery by sensor
Left and right turn joint 3 is in transmission connection.Connection angle displacement biography it is not suitable on 3 owing to the left and right turn of existing agri-vehicle saves
The structure of the power shaft of sensor 2, therefore, the present invention connects support 5, Ke Yifang by installing sensor on left and right turn joint 3
The most therebetween connection.
Specifically, described sensor connect support include installing plate 51 and be arranged on described installing plate 51 for angle
The connection seat 52 that the power shaft of displacement transducer 2 is in transmission connection, described installing plate 51 offers for saving 3 through left and right turn
On first group of installing hole of bolt and second group of installing hole, described first group of installing hole includes three the first installing holes 511, three
Individual described first installing hole 511 angle each other is 120 degree, and described second group of installing hole includes four the second installing holes
512, four described second installing holes 512 angle each other is 90 degree, described first installing hole 511 and described second peace
Dress hole 512 is Long Circle or ellipse.
In the above-described embodiments, described three described first installing holes 511 angle each other is 120 degree, i.e. when
Installing plate 51 is fixed on when having on three left and right turn joints 3 installing bolt, and three the first installing holes 511 are around described left and right
The rotation axis of knuckle 3 is uniform, so that the first installing hole 511 can be fitted mutually with the installation bolt on this left and right turn joint 3
Should；Described four the second installing holes 512 angle each other is 90 degree, i.e. have four peaces when installing plate 51 is fixed on
Time on the left and right turn joint 3 of dress bolt, four the second installing holes 512 are uniform around the rotation axis of described left and right turn joint 3, with
Second installing hole 512 can be adapted with the installation bolt on this left and right turn joint 3.
When the sensor in above-described embodiment connects support 5 in use, both can be by three on installing plate 51 the
One installing hole 511 is fixing with the left and right turns joint 3 with three installation bolts to be connected, it is also possible to by four on installing plate 51
Second installing hole 512 saves fixing connection with having four left and right turns installing bolt, and therefore, described sensor connects support 5
Existing two class agricultural machinery can be adapted to simultaneously.
Bolt position quantity on 4 wheel driven vehicle bridge left and right turn joint mainly has two big classes at present, and the vehicle of a class has east
Red, sky drags, and thunder is irrigated, the Shuhe River, east wind, and sky drags the brands such as Deere, KAT, another kind of vehicle to have the brands such as John deer, knob Holland；
The present invention is by arranging two groups of installing holes on installing plate 51, so that sensor connects support 5 can be adapted to tool simultaneously
There are two big class 4 wheel driven vehicle bridge of 3 bolts and 4 bolts；Thus realize the vehicle of about 90% and the present invention can be used to provide
Sensor connects support 5.
Installation bolt on the left and right turn joint 3 of existing two kinds of vehicles, all centered by its rotation axis, on end face
It is uniformly distributed, or 90 degree of interval arranges 4, or 120 degree of interval arranges 3.The size of the left and right turn joint 3 of different automobile types is not
With, install bolt spacing vary in size, but interval angle be 90 degree or 120 degree constant.A left side for adaptive different automobile types
Right turn joint 3, the first installing hole 511 of the present invention and described second installing hole 512 are Long Circle or ellipse.
When the installation pitch of bolts on left and right turn joint 3 is bigger, then bolt is installed and is arranged on the first installation shown in Fig. 8
Hole 511 and the relatively distally from rotation axis of described second installing hole 512；When the spacing on left and right turn joint 3 is less, then pacify
Dress bolt is arranged on the first installing hole 511 shown in Fig. 8 and the described second installing hole 512 relatively nearside from rotation axis.Should
Understanding, three the first installing holes 511 of the present invention are of substantially equal apart from the distance of rotation axis, correspondingly, described in four
Second installing hole 512, the distance of distance rotation axis is the most of substantially equal, adapts to the installation bolt on left and right turn joint.
It will be appreciated by those skilled in the art that the installation bolt in order to adapt to different spacing, Long Circle or the peace of ellipse
The major diameter in dress hole should be along the radial direction of the rotation axis of left and right turn joint.
In order to reduce processing capacity, reduce the hole offered on installing plate simultaneously, improve the intensity of installing plate 51, in the present invention
A preferred embodiment in, 1 described first installing hole 511 and 1 described second installing hole 512 overlap.
Described first installing hole 511 and the arrangement of described second installing hole 512, it is also possible to have other mode.At this
In another bright preferred embodiment, as shown in Figure 7, Figure 8,1 described first installing hole 511 is positioned at two described second installations
Between hole 512, two other first installing hole 511 partially overlaps with two other second installing hole 512 respectively.So arrangement,
So that the first installing hole 511 and the second installing hole 512 rational deployment on installing plate 51, improve the intensity of installing plate 51.
In order to adapt with the butter added holes on left and right turn joint 3, offer center at the middle part of described installing plate 51
Hole 513.From giving described left and right turn joint 3 interpolation butter easily.
In the present invention, described connection seat 52 can use existing various appropriate configuration, as long as being easy to and described angle
The power shaft of displacement transducer 2 connects.In the above-described embodiments, due to power shaft and the sensing of angle displacement sensor 2
Device is fixed the axle sleeve 42 of seat 4 and is connected, and therefore, connecting seat 52 can be connected with the other end of axle sleeve 42.
In a preferred embodiment of the invention, as it is shown in fig. 7, described connection seat 52 includes being fixedly connected on described peace
Fill the first connecting plate 521 on plate 51 and fix, with described first connecting plate 521, the second connecting plate 522 being connected, wherein, described
The part that second connecting plate 522 is used for being in transmission connection with the power shaft of described angle displacement sensor 2 is positioned at described installing plate 51
Middle part.By using the connection seat 52 of said structure, in the case of centre bore 513 can being offered on installing plate 51, make
The part that is connected with the power shaft of described angle displacement sensor 2 of described second connecting plate 522 is positioned at described installing plate 51
Middle part, to improve the certainty of measurement of angle displacement sensor.
Specifically, described first connecting plate 521 and the second connecting plate 522 form a perpendicular type support, the first connecting plate
521 marginal portions being fixed on described installing plate 51, the second connecting plate 522 is parallel to described installing plate 51 place plane, and second
The free end of connecting plate 522 is positioned at the middle part of installing plate 51, whereby, avoids the centre bore that described installing plate 51 is centrally disposed
513。
Manufacturing for convenience, described first connecting plate 521 and the second connecting plate 522 are formed in one, can be by a bulk
Material bending forms, it is also possible to be welded by two block of material.
Those skilled in the art are it is to be understood that for the certainty of measurement ensureing angle displacement sensor, described angle displacement
The power shaft of sensor 2 should be coaxial with the rotation axis of left and right turn joint 3.
In order to reduce the installation difficulty of angle displacement sensor, in another preferred embodiment of the invention, described company
(such as, with axle sleeve 42 even joint chair 52 is in transmission connection by the power shaft of Hooks coupling universal coupling 6 with described angle displacement sensor 2
Connect), the driving shaft of described Hooks coupling universal coupling 6 is fixedly connected on connection seat 52, the driven shaft of Hooks coupling universal coupling 6 and described angle
The power shaft of displacement transducer 2 is in transmission connection.By arranging Hooks coupling universal coupling 6, such that it is able to allow angle displacement sensor 2
There is certain intersecting with the rotation axis of left and right turn joint 3 in power shaft, thus reduces installation difficulty.
Preferably, when installing plate 51 be arranged on described left and right turn joint 3 on time, the driving shaft of described Hooks coupling universal coupling 6 with
The rotating shaft coaxle of described left and right turn joint 3.The driven shaft of described Hooks coupling universal coupling 6 can be by axle sleeve 42 and described angle position
The power shaft of displacement sensor 2 connects.
From the foregoing, the steering angle measurement apparatus that the present invention provides is installed simple, versatility is high, improves workman existing
The efficiency of field installation and debugging；And owing to the power shaft of angle displacement sensor saves direct driving parts relatively with left and right turn
Few, improve the precision collecting left and right turn joint angle displacement data.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that invention scope involved in the application, however it is not limited to the technology of the particular combination of above-mentioned technical characteristic
Scheme, also should contain in the case of without departing from described inventive concept simultaneously, above-mentioned technical characteristic or its equivalent feature carry out
Combination in any and other technical scheme of being formed.Such as features described above has similar merit with (but not limited to) disclosed herein
The technical scheme that the technical characteristic of energy is replaced mutually and formed.
Claims (10)
1. a steering angle measurement apparatus, it is characterised in that described steering angle measurement apparatus includes the machine being fixed on agricultural machinery
Angle displacement sensor (2) on body (1), the power shaft of described angle displacement sensor (2) is positioned at the left/right rotation of described agricultural machinery
It is in transmission connection to the surface of joint (3) and with described left and right turn joint (3).
Steering angle measurement apparatus the most according to claim 1, it is characterised in that described angle displacement sensor (2) leads to
Cross that connection assembly frame and described body (1) are fixing to be connected.
Steering angle measurement apparatus the most according to claim 2, it is characterised in that described connection assembly frame includes being arranged on
The support that connects on described body (1) fixes seat (4), described angle position with the sensor being fixedly mounted on described connection support
Displacement sensor (2) is arranged on described sensor and fixes on seat (4).
Steering angle measurement apparatus the most according to claim 3, it is characterised in that described connection support includes being arranged on institute
The perpendicular support (71) that state the fixture (73) on body (1), is fixed on described fixture and be fixed on described perpendicular support (71)
On lateral frame (72), described sensor is fixed seat (4) and is arranged on described lateral frame (72).
Steering angle measurement apparatus the most according to claim 3, it is characterised in that described sensor is fixed seat and included arranging
The pedestal (41) having installing hole and the axle sleeve (42) being installed in rotation on described installing hole, one end of described axle sleeve (42) with
The power shaft of described angle displacement sensor (2) connects, and the other end and described left and right turn save (3) and be in transmission connection, described pedestal
(41) being provided with resilient dust part (43) on upper surface, described resilient dust part (43) is around described installing hole.
Steering angle measurement apparatus the most according to claim 5, it is characterised in that described axle sleeve (42) is installed by bearing
On described pedestal (41), described pedestal (41) includes base (411) and the seat of honour (412) installed on described base (411), institute
State resilient dust part (43) to be arranged on the upper surface of the described seat of honour (412).
Steering angle measurement apparatus the most according to claim 6, it is characterised in that the described seat of honour offers on (412)
Installing hole (413), described base (411) offers lower installing hole (414), described upper installing hole (413) and lower installing hole
(414) form described installing hole, on described, in installing hole (413), be installed with clutch shaft bearing (415), in described lower installation
Being installed with the second bearing (416) in hole (414), described clutch shaft bearing (415) is coaxially disposed with the second bearing (416), institute
State axle sleeve (42) to be arranged on described upper installing hole (413) and lower installing hole (414).
Steering angle measurement apparatus the most according to claim 1, it is characterised in that described angle displacement sensor (2)
Power shaft saves (3) by the left and right turn of sensor connection support (5) with described agricultural machinery and is in transmission connection, the connection of described sensor
Frame includes installing plate (51) and is arranged on the upper power shaft transmission being used for angle displacement sensor (2) of described installing plate (51) even
The connection seat (52) connect, described installing plate (51) offers for first group of peace through the bolt in left and right turn joint (3)
Dress hole and second group of installing hole, described first group of installing hole includes three the first installing holes (511), three described first installing holes
(511) angle each other is 120 degree, and described second group of installing hole includes four the second installing holes (512), described in four
Second installing hole (512) angle each other is 90 degree, described first installing hole (511) and described second installing hole
(512) Long Circle or ellipse it are.
Steering angle measurement apparatus the most according to claim 8, it is characterised in that 1 described first installing hole (511) position
Between two described second installing holes (512), two other first installing hole (511) respectively with two other the second installing hole
(512) partially overlap.
Steering angle measurement apparatus the most according to claim 8, it is characterised in that described connection seat (52) is by universal
Shaft coupling (6) is in transmission connection with the output shaft of described angle displacement sensor (2), and the driving shaft of described Hooks coupling universal coupling (6) is solid
Surely it is connected to connect on seat (52), the driven shaft of Hooks coupling universal coupling (6) and the output shaft transmission of described angle displacement sensor (2)
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610793477.9A CN106143610B (en) | 2016-08-31 | 2016-08-31 | Steering angle measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610793477.9A CN106143610B (en) | 2016-08-31 | 2016-08-31 | Steering angle measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106143610A true CN106143610A (en) | 2016-11-23 |
| CN106143610B CN106143610B (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610793477.9A Active CN106143610B (en) | 2016-08-31 | 2016-08-31 | Steering angle measuring device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109466527A (en) * | 2018-09-28 | 2019-03-15 | 中国铁建重工集团有限公司 | A kind of intelligence control system based on electrichydraulic control |
| CN111874100A (en) * | 2020-08-10 | 2020-11-03 | 青岛汽车零部件科技创新服务有限公司 | Port AGV is with turning to drive axle corner sensor device assembly |
| CN112066870A (en) * | 2020-09-29 | 2020-12-11 | 山东理工大学 | Agricultural machinery steering angle measuring device |
| CN114954652A (en) * | 2022-06-10 | 2022-08-30 | 上海友道智途科技有限公司 | Wheel corner measuring component and wheel steering control system |
-
2016
- 2016-08-31 CN CN201610793477.9A patent/CN106143610B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109466527A (en) * | 2018-09-28 | 2019-03-15 | 中国铁建重工集团有限公司 | A kind of intelligence control system based on electrichydraulic control |
| CN109466527B (en) * | 2018-09-28 | 2020-12-29 | 中国铁建重工集团股份有限公司 | Intelligent control system based on electro-hydraulic control |
| CN111874100A (en) * | 2020-08-10 | 2020-11-03 | 青岛汽车零部件科技创新服务有限公司 | Port AGV is with turning to drive axle corner sensor device assembly |
| CN111874100B (en) * | 2020-08-10 | 2021-05-28 | 青岛汽车零部件科技创新服务有限公司 | Port AGV is with turning to drive axle corner sensor device assembly |
| CN112066870A (en) * | 2020-09-29 | 2020-12-11 | 山东理工大学 | Agricultural machinery steering angle measuring device |
| CN114954652A (en) * | 2022-06-10 | 2022-08-30 | 上海友道智途科技有限公司 | Wheel corner measuring component and wheel steering control system |
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| Publication number | Publication date |
|---|---|
| CN106143610B (en) | 2020-03-31 |
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