CN215064312U - Angle detection assembly and agricultural machine steering angle measuring device thereof - Google Patents
Angle detection assembly and agricultural machine steering angle measuring device thereof Download PDFInfo
- Publication number
- CN215064312U CN215064312U CN202121730528.6U CN202121730528U CN215064312U CN 215064312 U CN215064312 U CN 215064312U CN 202121730528 U CN202121730528 U CN 202121730528U CN 215064312 U CN215064312 U CN 215064312U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- shell
- plate
- split type
- rotating block
- 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.)
- Active
Links
Images
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
The utility model discloses an angle detection assembly and an agricultural machinery steering angle measuring device thereof, which comprises a shell, a first cover plate and a second cover plate, wherein the first cover plate and the second cover plate are respectively connected with openings at two ends of the shell in a sealing way; a non-contact angle sensor, a magnetic block and a rotating block are sequentially arranged in the shell from the first cover plate to the second cover plate, the non-contact angle sensor is fixedly arranged on the first cover plate, the magnetic block is fixedly arranged on the rotating block, and the rotating block penetrates through the second cover plate; an annular groove is formed in the rotating block, a split type fixing plate is rotationally clamped in the annular groove, and the split type fixing plate is fixedly connected to the second cover plate; the utility model discloses the turning block that will be connected with the magnetic path passes through split type fixed plate to be fixed on the second apron, can improve the sealed effect of split type fixed plate to seam crossing, and the better influence of avoiding external dust, dirt and moist steam guarantees non-contact sensor's detection precision and life.
Description
Technical Field
The utility model relates to an angular measurement technical field especially relates to an angle detection subassembly and agricultural machinery turns to angle measuring device thereof.
Background
With the rapid development of agricultural implements, safety, stability, and degree of automation have turned into important indicators of performance of agricultural implements. Whether the agricultural tractor, the harvester or other agricultural production vehicles basically walk, so that the detection and the research of the steering angle of the front wheels of the vehicle are particularly important. The detection precision of the steering angle of the front wheel directly influences the precision of the agricultural vehicle in the automatic walking process, and more importantly, the detection precision directly relates to the efficiency and the safety of agricultural machinery in agricultural production. In the research and development of the tractor, the research of the automatic guiding system is very critical, because the walking precision of the tractor operating in the field directly influences the working efficiency and the safety of the tractor. In the research aspect of vehicle steering angle detection systems, at present, there are several detection platforms based on a DSP, a single chip microcomputer, a PC and the like, and there are mainly displacement sensors, angle sensors and the like in terms of sensor selection.
Chinese patent with publication number CN 209667200U discloses an agricultural machinery directive wheel steering angle detection device, through installing displacement sensor additional at steering cylinder department, and with sensor main part and hydro-cylinder main part fixed connection, the flexible end of sensor and the flexible end fixed connection of hydro-cylinder, the flexible end of hydro-cylinder on the hydro-cylinder hangs the bulb through the second and connects on the rocking arm, can detect the position change of directive wheel, this scheme is through converting displacement sensor's data into angle value, there is certain error of data conversion, it has certain limitation to detect the precision, and, most displacement sensor prices are all more expensive.
Chinese patent application publication No. CN 112066870a discloses an agricultural machinery steering angle measuring device, which comprises a sensor, a magnetic block and a fixed structure, wherein the fixed structure comprises a fixed component and a movable component, the sensor is arranged on the fixed component, the magnetic block is arranged on the movable component, and the movable component is connected with a main pin shaft of an agricultural machinery front wheel. The device can utilize the sensor to detect the magnetic field change that the magnetic path brought along with the movable assembly rotation, and then detect the angle that turns to of agricultural machinery, but, has set up the semicircle board in the device at casing open position, does not set up the apron, because there is the gap between the semicircle board, under the not good condition of sealing, can receive the influence of dust, dirt, moist steam in the surrounding environment, finally can lead to the detection precision and the life-span of sensor to receive the influence.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an angle detection subassembly and agricultural machinery turns to angle measuring device thereof to solve the problem that above-mentioned prior art exists, encapsulate non-contact angle sensor and magnetic path inside the shell, and, the turning block of being connected with the magnetic path passes through split type fixed plate to be fixed on the second apron, through the setting of second apron, can improve the sealed effect of split type fixed plate to seam crossing, better avoid external dust, the influence of dirt and moist steam, guarantee non-contact sensor's detection precision and life.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides an angle detection assembly, which comprises a shell, a first cover plate and a second cover plate, wherein the first cover plate and the second cover plate are respectively connected with openings at two ends of the shell in a sealing way; a non-contact angle sensor, a magnetic block and a rotating block are sequentially arranged in the shell from the first cover plate to the second cover plate, the non-contact angle sensor is fixedly arranged on the first cover plate, the magnetic block is fixedly arranged on the rotating block, and the rotating block penetrates through the second cover plate; the rotating block is provided with an annular groove, the annular groove is rotatably clamped with a split type fixing plate, and the split type fixing plate is fixedly connected to the second cover plate.
Preferably, the split fixing plate is disposed inside the second cover plate.
Preferably, the split type fixing plate is of a square structure, a square groove is formed in the second cover plate, and the split type fixing plate is fixedly connected in the square groove.
Preferably, the cross-section of the housing, the first cover plate and the second cover plate is square.
Preferably, the magnetic block is arranged in a magnetic block shell, and the magnetic block shell is fixedly connected with the rotating block.
Preferably, a sealing gasket is arranged between the housing and the first cover plate and between the housing and the second cover plate.
Preferably, a threaded hole is formed in the shell, a dustproof and waterproof connector is installed in the threaded hole, and the dustproof and waterproof connector is used for installing a lead of the non-contact sensor.
The utility model also provides an agricultural machinery turns to angle measuring device, use in the foreland record angle determine module, first apron is connected with the L template, the L template is used for fixing on the front axle, the turning block is connected with the swing arm, the swing arm is used for the one end of articulated connecting rod, the other end of connecting rod articulates on the rotation piece of front axle.
Preferably, a plurality of notch openings have all been seted up on two support arms of L template, the notch opening sets up side by side in the width direction of support arm.
Preferably, a plurality of hinge holes are uniformly formed in the swing arm along the length direction, and the hinge holes are used for hinging the connecting rod.
The utility model discloses for prior art gain following technological effect:
(1) the utility model discloses encapsulate non-contact angle sensor and magnetic path inside the shell to, the turning block that is connected with the magnetic path is fixed on the second apron through split type fixed plate, through the setting of second apron, can improve the sealed effect of split type fixed plate to seam crossing, better avoid the influence of external dust, dirt and moist steam, guarantee non-contact sensor's detection precision and life;
(2) the utility model discloses split type fixed plate is square structure, is provided with the square groove rather than matching on the second apron, through with split type fixed plate fixed connection can utilize the square groove to injure the rotation of split type fixed plate through the inner wall of square groove in the square groove, consequently, can share the partial bearing capacity of connecting bolt through the square groove of second apron, avoid concentrating on the connecting bolt of fixed split type fixed plate bearing capacity, can avoid the bolt not hard up and wearing and tearing, improve the detection precision of angle detection subassembly and the stability of operation;
(3) the utility model discloses be provided with a plurality of notch openings on the L template, when the L template is connected with the front axle, the mounted position is comparatively nimble to, seted up a plurality of hinge holes on the swing arm, the connecting rod is articulated in hinge hole department with the swing arm, has improved swing arm and connecting rod hinge position's controllability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an exploded schematic view of the present invention;
fig. 3 is a schematic view of the installation structure of the present invention;
wherein, 1, L-shaped plate; 11. a straight notch; 2. a first cover plate; 3. a housing; 4. a second cover plate; 5. swinging arms; 51. a hinge hole; 6. a dust and water resistant joint; 7. a non-contact angle sensor; 8. a magnetic block housing; 9. rotating the block; 10. a split type fixing plate; 20. a rotating member; 30. a connecting rod; 40. a front axle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing an angle detection subassembly and agricultural machinery turns to angle measuring device thereof to solve the problem that prior art exists, encapsulate non-contact angle sensor and magnetic path inside the shell, and, the turning block of being connected with the magnetic path passes through split type fixed plate to be fixed on the second apron, through the setting of second apron, can improve the sealed effect of split type fixed plate to seam crossing, better avoid external dust, the influence of dirt and moist steam, guarantee non-contact sensor's detection precision and life.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1-2, the utility model provides an angle detection assembly, including shell 3 and respectively sealing connection at 3 both ends open-ended first apron 2 of shell and second apron 4, wherein, shell 3 can also be square box shape for the cylinder shape, and is corresponding to set first apron 2 and second apron 4 to circular or square. The shell 3 structure with two open ends can facilitate the installation of the internal parts of the shell 3. A non-contact angle sensor 7, a magnetic block, and a rotating block 9 are sequentially provided in the housing 3 from the first cover plate 2 to the second cover plate 4. The non-contact angle sensor 7 is fixedly mounted on the first cover plate 2, during mounting, a through hole can be formed in the non-contact angle sensor 7, a bolt passes through the through hole, and the non-contact angle sensor 7 is mounted on the inner side of the first cover plate 2, that is, at this time, the non-contact angle sensor 7 and the first cover plate 2 are relatively static and cannot rotate relatively. The magnetic block is fixedly arranged on the rotating block 9, and during installation, the magnetic block can be arranged on the rotating block 9 in a bonding mode, a clamping mode or a bolt connection mode or in a fixing structure mode, so that the magnetic block can rotate along with the rotation of the rotating block 9. It should be noted that the magnetic block is not in contact with the non-contact angle sensor 7, and the magnetic field change generated when the magnetic block rotates is utilized to generate a change voltage for the non-contact angle sensor 7 due to the magnetic field change, so as to convert the change amount of the angle. The turning block 9 penetrates through the second cover plate 4 and extends out of the second cover plate 4, the turning block 9 is used for being connected with other turning devices, for example, the swing arm 5, and the turning block 9 can be driven to rotate through the swing arm 5. The rotating block 9 is provided with an annular groove, the annular groove is rotatably clamped with the split type fixing plate 10, namely, the rotating block 9 can rotate relative to the split type fixing plate 10, and the split type fixing plate 10 can limit the axial displacement of the rotating block 9 due to the arrangement of the annular groove. The split fixing plate 10 may have a circular, square or other polygonal structure, and may be fixedly connected to the second cover plate 4 by bolts. Therefore, the rotating block 9 and the magnetic block are of rotating structures, the non-contact angle sensor 7, the first cover plate 2, the shell 3, the second cover plate 4 and the split type fixing plate 10 are of fixing structures, and finally the magnetic block can rotate relative to the non-contact angle sensor 7, so that the angle detection effect is achieved. The utility model discloses encapsulate non-contact angle sensor 7 and magnetic path inside shell 3 to, the turning block 9 of being connected with the magnetic path is fixed on second apron 4 through split type fixed plate 10, through second apron 4's setting, can improve split type fixed plate 10 and to the sealed effect of seam department, the better influence of avoiding external dust, dirt and moist steam guarantees non-contact angle sensor 7's detection precision and life.
The split fixing plate 10 may be disposed inside the second cover plate 4, that is, the split fixing plate 10 is encapsulated inside the housing 3 by the second cover plate 4, and the annular groove disposed on the split fixing plate 10 is also closed by the second cover plate 4. Set up like this, not only can utilize second apron 4 to seal split type fixed plate 10's butt joint, can also seal the ring channel that sets up on the turning block 9, each relative turned position of avoiding angle detection subassembly that can be further receives external environment's influence, can guarantee lubricated effect, improves and detects precision and life.
Split type fixed plate 10 can set up to square structure, and at this moment, be provided with the square groove that matches with it on the second apron 4, with split type fixed plate 10 fixed connection in square groove, during fixed connection, can be provided with the through-hole on split type fixed plate 10, be provided with the screw thread blind hole in the square groove, pass connecting bolt behind the through-hole and connect and realize fixing split type fixed plate 10 in the screw thread blind hole. The mode of the split type fixed plate 10 of the fixed square structure of square groove, can inject the lateral wall of split type fixed plate 10 through the inner wall of square groove, can utilize square groove to inject split type fixed plate 10's rotation promptly, can share connecting bolt's partial bearing capacity through the square groove of second apron 4, avoid concentrating on the connecting bolt of fixed split type fixed plate 10 with the bearing capacity, can avoid connecting bolt not hard up and wearing and tearing, improve angle detection subassembly's detection precision and the stability of operation.
The shape of the housing 3 may be a square box, that is, the cross section of the housing 3 is square, and correspondingly, the cross sections of the first cover plate 2 and the second cover plate 4 are both square. Wholly be square angle detection subassembly, can set up fixing bolt respectively in the apex angle position to can be more convenient set up fixing bolt's position, that is to say, when using angle detection subassembly, can set up fixing bolt on first apron 2 or second apron 4, utilize fixing bolt to fix and connect angle detection subassembly.
When setting up magnetic path and rotor 9, can set up the magnetic path in magnetic path shell 8, magnetic path shell 8 can be for cylindrical structure, and its tip is provided with the recess that is used for placing the magnetic path, inlays the magnetic path in the recess internal fixation. The magnetic block shell 8 and the rotating block 9 are fixedly connected, when the magnetic block shell 8 and the rotating block 9 are connected, a through hole can be formed in the magnetic block shell 8, a threaded blind hole is formed in the rotating block 9, and a fixing bolt penetrates through the through hole in the magnetic block shell 8 and then is connected into the threaded blind hole in the rotating block 9.
The housing 3 may be connected to the first cover plate 2 and the second cover plate 4 by bolts, and the housing 3 may be connected to the first cover plate 2 and the second cover plate 4 by gaskets provided between the housing 3 and the first cover plate 2 and between the housing 3 and the second cover plate 4. The sealing gasket can further enhance the sealing performance of the overall structure of the angle detection assembly, and is better suitable for dust and wet environments.
A threaded hole is formed in one side face of the housing 3, and the position of the threaded hole corresponds to the position of the non-contact angle sensor 7, that is, the threaded hole can be formed at a position close to the first cover plate 2, so that the lead of the non-contact angle sensor 7 can be conveniently arranged. And a dustproof and waterproof joint 6 is arranged in the threaded hole, and the dustproof and waterproof joint 6 is used for installing and sealing a lead of a non-contact angle sensor 7.
As shown in fig. 3, and combine fig. 1 ~ 2, the utility model also provides an agricultural machinery turns to angle measuring device, can use the angle detection subassembly that the foreland recorded, first apron 2 is connected with L template 1, can directly connect L template 1 on first apron 2, and at this moment, be provided with the through-hole on the L template 1, be provided with the screw hole on the first apron 2, connect on first apron 2 after passing the through-hole of L template 1 with fixing bolt. Also can connect L template 1 on shell 3, at this moment, the screw hole on the first apron 2 changes into the through-hole, is provided with the screw hole that corresponds with the through-hole on the terminal surface of shell 3, can pass L template 1 and first apron 2 through-hole back connection on shell 3 with the construction bolt. In addition, the L-shaped plate 1 can be connected to the second cover plate 4, at the moment, a threaded hole in the shell 3 is changed into a through hole, a threaded hole is formed in the second cover plate 4, and the mounting bolt can penetrate through the L-shaped plate 1, the first cover plate 2 and the shell 3 in sequence and then is connected to the second cover plate 4 in a threaded mode. The L-shaped plate 1 is used for being fixed on a front axle 40, the rotating block 9 is connected with a swing arm 5, the swing arm 5 is used for being hinged with one end of a connecting rod 30, and the other end of the connecting rod 30 is hinged on a rotating piece 20 of the front axle 40. When the agricultural machinery steering wheel rotates, the rotating part 20 on the front axle 40 is driven to rotate, the rotating part 20 drives the connecting rod 30 to move, the connecting rod 30 drives the swing arm 5 to swing, the swing arm 5 drives the rotating block 9 and the magnetic block shell 8 to rotate, so that the magnetic blocks rotate to generate a changing magnetic field, and the non-contact sensor receives a changing voltage generated by the change of the magnetic field and converts the change of the steering wheel rotation angle.
A plurality of straight notch 11 have all been seted up on two support arms of L template 1, and straight notch 11 sets up side by side in the width direction of support arm, and when L template 1 was connected with front axle 40, the mounted position was comparatively nimble.
The swing arm 5 is uniformly provided with a plurality of hinge holes 51 along the length direction, and the hinge holes 51 are used for hinging the connecting rod 30, so that the hinged position can be changed, and the adjustability of the hinged position of the swing arm 5 and the connecting rod 30 is improved.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. An angle detection assembly, characterized by: the device comprises a shell, a first cover plate and a second cover plate, wherein the first cover plate and the second cover plate are respectively connected with openings at two ends of the shell in a sealing manner; a non-contact angle sensor, a magnetic block and a rotating block are sequentially arranged in the shell from the first cover plate to the second cover plate, the non-contact angle sensor is fixedly arranged on the first cover plate, the magnetic block is fixedly arranged on the rotating block, and the rotating block penetrates through the second cover plate; the rotating block is provided with an annular groove, the annular groove is rotatably clamped with a split type fixing plate, and the split type fixing plate is fixedly connected to the second cover plate.
2. The angle sensing assembly of claim 1, wherein: the split fixing plate is arranged on the inner side of the second cover plate.
3. The angle sensing assembly of claim 2, wherein: the split type fixing plate is of a square structure, a square groove is formed in the second cover plate, and the split type fixing plate is fixedly connected in the square groove.
4. The angle sensing assembly of claim 3, wherein: the cross sections of the shell, the first cover plate and the second cover plate are square.
5. The angle detection assembly of any one of claims 1-4, wherein: the magnetic block is arranged in a magnetic block shell, and the magnetic block shell is fixedly connected with the rotating block.
6. The angle sensing assembly of claim 5, wherein: and sealing gaskets are arranged between the shell and the first cover plate and between the shell and the second cover plate.
7. The angle sensing assembly of claim 5, wherein: the shell is provided with a threaded hole, a dustproof and waterproof connector is installed in the threaded hole, and the dustproof and waterproof connector is used for installing a lead of the non-contact sensor.
8. The utility model provides an agricultural machinery turns to angle measuring device which characterized in that: the angle detection assembly of any one of claims 1 to 7, wherein an L-shaped plate is connected to the first cover plate, the L-shaped plate is used for being fixed on the front axle, a swing arm is connected to the rotating block, the swing arm is used for hinging one end of a connecting rod, and the other end of the connecting rod is hinged to a rotating piece of the front axle.
9. The agricultural machine steering angle measuring device of claim 8, wherein: a plurality of straight notch openings are formed in the two support arms of the L-shaped plate, and the straight notch openings are arranged side by side in the width direction of the support arms.
10. The agricultural machine steering angle measuring device of claim 8, wherein: a plurality of hinge holes are uniformly formed in the swing arm along the length direction and used for being hinged to the connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121730528.6U CN215064312U (en) | 2021-07-28 | 2021-07-28 | Angle detection assembly and agricultural machine steering angle measuring device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121730528.6U CN215064312U (en) | 2021-07-28 | 2021-07-28 | Angle detection assembly and agricultural machine steering angle measuring device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215064312U true CN215064312U (en) | 2021-12-07 |
Family
ID=79219578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121730528.6U Active CN215064312U (en) | 2021-07-28 | 2021-07-28 | Angle detection assembly and agricultural machine steering angle measuring device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215064312U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114322905A (en) * | 2021-12-29 | 2022-04-12 | 盛视科技股份有限公司 | Magnetic field tracking angle detection device and method |
-
2021
- 2021-07-28 CN CN202121730528.6U patent/CN215064312U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114322905A (en) * | 2021-12-29 | 2022-04-12 | 盛视科技股份有限公司 | Magnetic field tracking angle detection device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215064312U (en) | Angle detection assembly and agricultural machine steering angle measuring device thereof | |
| CN107127786B (en) | A kind of dicode disk encoder and joint of robot servo-drive system | |
| CN107966181B (en) | Wind speed and direction sensor | |
| CN107941144A (en) | Excavator boom rotating angle measurement apparatus | |
| CN110455178A (en) | A kind of rotation state of rotation part parameter detecting sensor based on three axle magnetometer | |
| CN208795284U (en) | A kind of Multifunction Sensor | |
| CN203957777U (en) | Angular transducer anchor fitting and use the suspension position fixing system of this device | |
| CN108321956A (en) | A kind of connection structure of rotor and axis | |
| CN205981095U (en) | Angle sensor under water | |
| CN214930071U (en) | Whole car steer axle wheel angle of rotation measuring device | |
| CN212747832U (en) | Encoder for crane to resist severe environment | |
| CN210513191U (en) | Encoder support and encoder | |
| CN213897013U (en) | Coaxial gate coding device | |
| CN207513588U (en) | A kind of drill jumbo and its installation device of sensor | |
| CN214223982U (en) | Pendulum-type angle sensor and portal inclination detection device | |
| CN216361655U (en) | High-performance torque sensor | |
| CN112066870A (en) | Agricultural machinery steering angle measuring device | |
| JPH0519405Y2 (en) | ||
| CN217918229U (en) | Angle sensor convenient to dismantle for electric power assisted vehicle brake | |
| CN215572675U (en) | Waterproof magnetostrictive displacement sensor | |
| CN220751201U (en) | Encoder for sewing machine spindle | |
| CN213067631U (en) | Novel gate coding device | |
| CN107130567A (en) | A kind of radial gate support hinge with jaw opening sensor and assembling localization method | |
| JP2502195Y2 (en) | Backhoe electrical wiring structure | |
| CN114526702A (en) | Mining height detection device and detection method for two-stage combined type rocker arm single-roller short-wall coal mining machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |