CN213171387U - Steering angle sensor of electrically-driven crank arm aerial work platform - Google Patents
Steering angle sensor of electrically-driven crank arm aerial work platform Download PDFInfo
- Publication number
- CN213171387U CN213171387U CN202022036792.1U CN202022036792U CN213171387U CN 213171387 U CN213171387 U CN 213171387U CN 202022036792 U CN202022036792 U CN 202022036792U CN 213171387 U CN213171387 U CN 213171387U
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- angle sensor
- bogie
- axle
- motor
- underframe
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- 230000005611 electricity Effects 0.000 claims abstract description 6
- 230000006698 induction Effects 0.000 claims description 7
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000012856 packing Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses an electricity drives crank arm aerial working platform's steering angle sensor, including tire, bogie, motor, protection casing, angle sensor underframe, axle, response piece and axle and limiting plate, the tire is installed on wheel hub, wheel hub links to each other with the motor is fixed, the motor is installed on the bogie, the bogie is installed on the axle, install the angle sensor underframe on the top of bogie, install angle sensor on the angle sensor underframe. The utility model adopts the angle sensor, which can realize continuous stepless high-precision measurement, accurately control the steering angle, realize slow stop when the vehicle is dead, and reduce impact; the walking speeds of the left wheel and the right wheel are respectively controlled by utilizing the angle sensor and combining a proper installation mode, so that the speed difference of the left wheel and the right wheel caused by steering is solved; the angle sensor is adopted, and can form secondary protection with mechanical limit of a steering mechanism.
Description
The technical field is as follows:
the utility model relates to an aerial working platform field specifically is an electricity drives crank arm aerial working platform's steering angle sensor.
Background art:
the angle sensor installation is in order to solve the walking problem of crank arm car, the angle that mainly turns to is the measurement, thereby the speed of traveling of accurate control vehicle left wheel right wheel, traditional structure generally does not set up angle sensor, the vehicle is under the driving condition that the wide-angle turned to, the condition of slip or slip appears easily in the wheel about, the wearing and tearing of tire can be more serious, also can cause the holding back to the running motor of the wheel about simultaneously or drag the commentaries on classics, reduce motor life-span, turn to when hitting dead steering mechanism and strike too big, influence steering mechanism's life-span.
The utility model has the following contents:
the utility model aims at prior art's defect, provide an electricity and drive crank arm aerial working platform's steering angle sensor to solve the problem that above-mentioned background art provided.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electricity drives crank arm aerial working platform's angle of turning sensor, includes tire, bogie, motor, protection casing, angle sensor underframe, axle, response piece and axle and limiting plate, the tire is installed on wheel hub, wheel hub links to each other with the motor is fixed, the motor is installed on the bogie, the bogie is installed on the axle, install the angle sensor underframe on the top of bogie, install angle sensor on the angle sensor underframe, the protection casing is installed at angle sensor's top, install the response piece on the angle sensor, the response piece is installed epaxially, the limiting plate is installed to the bottom of angle sensor underframe.
As a preferred technical scheme of the utility model, the angle sensor underframe is installed on the axle through the screw packing ring, installs epaxial at the bogie through circlip again simultaneously.
As a preferred technical scheme of the utility model, the bogie passes through the motor and is associative with the tire.
As the utility model discloses a preferred technical scheme, the axle design has the breach, through the limiting plate with the bogie is fixed continuous.
As a preferred technical scheme of the utility model, angle sensor passes through the screw packing ring and installs on the angle sensor underframe, and the response piece cooperatees with the semicircle head of angle sensor measuring shaft, and rethread set screw is fixed.
As an optimal technical scheme of the utility model, the protection casing passes through the screw packing ring to be installed on the angle sensor underframe, and the protection casing design has the opening of direction.
The utility model has the advantages that: the utility model adopts the angle sensor, which can realize continuous stepless high-precision measurement, accurately control the steering angle, realize slow stop when the vehicle is dead, and reduce impact; the walking speeds of the left wheel and the right wheel are respectively controlled by utilizing the angle sensor and combining a proper installation mode, so that the speed difference of the left wheel and the right wheel caused by steering is solved; the angle sensor is adopted, and can form secondary protection with mechanical limit of a steering mechanism.
Description of the drawings:
FIG. 1 is a schematic structural view of the vehicle in a straight-driving working state according to the present invention;
fig. 2 is a schematic structural view of the maximum left-turn working state of the present invention;
FIG. 3 is a schematic structural view of the maximum right turn operating state of the present invention;
fig. 4 is a schematic view of a partial structure of the present invention;
fig. 5 is the structural schematic diagram of the bottom frame and the induction block of the angle sensor of the present invention.
In the figure: 1. a tire; 2. a bogie; 3. a motor; 4. a protective cover; 5. an angle sensor; 6. an angle sensor bottom frame; 7. an axle; 8. an induction block; 9. a shaft.
The specific implementation mode is as follows:
the following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be clearly and clearly defined.
Example 1
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an electricity drive crank arm aerial working platform's angle of turning sensor, including tire 1, bogie 2, motor 3, protection casing 4, angle sensor 5, angle sensor underframe 6, axle 7, response piece 8 and axle 9 and limiting plate 10, tire 1 is installed on wheel hub, wheel hub links to each other with motor 3 is fixed, motor 3 installs on bogie 2, bogie 2 installs on axle 7, install angle sensor underframe 6 on bogie 2's the top, install angle sensor 5 on the angle sensor underframe 6, protection casing 4 is installed at angle sensor 5's top, install response piece 8 on the angle sensor 5, response piece 8 is installed on axle 9, limiting plate 10 is installed to angle sensor underframe 6's bottom.
The angle sensor underframe 6 is mounted on the axle 7 by means of screw washers and at the same time on the axle 9 of the bogie 2 by means of circlips.
The bogie 2 is connected to the tyre 1 by means of an electric motor 3.
The shaft 9 is designed with a gap and is fixedly connected with the bogie 2 through a limiting plate 10.
The angle sensor 5 is installed on the angle sensor bottom frame 6 through a screw washer, and the induction block 8 is matched with a semicircular head of a measuring shaft of the angle sensor 5 and then fixed through a fastening screw.
The protection casing 4 is installed on the angle sensor bottom frame 6 through a screw gasket, and the protection casing 4 is designed with a directional opening.
The working principle is as follows: a steering angle sensor of an electrically-driven crank arm aerial work platform comprises tires 1, a bogie 2, a motor 3, a protective cover 4, an angle sensor 5, an angle sensor bottom frame 6, an axle 7, an induction block 8, a shaft 9 and a limiting plate 10; the angle sensor bottom frame 6 is arranged on an axle 7 through a screw washer, and is arranged on a shaft 9 of a bogie 2 through an elastic retainer ring, the angle sensor bottom frame 6 is limited to only rotate, the bogie 2 is connected with a tire 1 through a motor 3, the bogie 2 drives the tire 1 to rotate when rotating, the shaft 9 is provided with a notch and is fixed with the bogie 2 through a limiting plate 10 and cannot axially move and rotate, an angle sensor 5 is arranged on the angle sensor bottom frame 6 through a screw washer, an induction block 8 is matched with a half-round head of a measuring shaft of the angle sensor 5 and is fixed through a fastening screw, and is fixed with the shaft 9 through the screw washer to drive a measuring head of the angle sensor 9 to rotate, a protective cover 4 is arranged on the angle sensor bottom frame 6 through the screw washer, the protective cover 4 is provided with an opening in a direction, so that the angle sensor plug can be conveniently inserted, but also prevent foreign matters from entering the inner space to interfere with the measurement.
The principle is as follows: the vehicle turns left, and 2 bogies are around axle 9 and are rotated to the biggest position left, and 2 bogies drive axle 9 in proper order, response piece 8, drive angle sensor 5 and measure the axle rotation, and axle 7 is fixed, and angle sensor underframe 6 is fixed, and angle sensor 5 is fixed with axle 7 promptly, therefore angle sensor 5 can form relative rotation with angle sensor 5 measurement axle, can measure. When the bogie 2 is close to the maximum left-turning position, the vehicle controller receives position information transmitted by the angle sensor 5, the controller sends a command to control the actuator, slow deceleration and stopping in advance of mechanical limiting can be realized, double protection is formed by the controller and the mechanical limiting, mechanical impact is reduced, and the service life of each part is prolonged. The principle of the right turn of the vehicle is the same as that of the left turn. When the vehicle is in left steering and runs, the angle sensor can measure the detailed angle of the left steering, and at the moment, the controller calculates the speed difference between the left wheel and the right wheel, which can not slide and slip in a theoretical state, through a formula, and controls the speed of the left wheel motor 3 to be reduced and the speed of the right wheel motor 3 to be increased; similarly, the speed of the left wheel motor 3 is controlled to increase when the vehicle turns right, and the speed of the right wheel motor 3 is controlled to decrease; and similarly, the left wheel motor 3 and the right wheel motor 3 are controlled to have the same speed when the vehicle travels straight. The sliding and sliding are avoided, the tire abrasion is reduced, the motor is prevented from being held back or dragged, and the service lives of the tire and the motor are prolonged.
The utility model adopts the angle sensor, which can realize continuous stepless high-precision measurement, accurately control the steering angle, realize slow stop when the vehicle is dead, and reduce impact; the walking speeds of the left wheel and the right wheel are respectively controlled by utilizing the angle sensor and combining a proper installation mode, so that the speed difference of the left wheel and the right wheel caused by steering is solved; the angle sensor is adopted, and can form secondary protection with mechanical limit of a steering mechanism.
The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (6)
1. The utility model provides an electricity drive crank arm aerial working platform's angle of turning sensor, includes tire (1), bogie (2), motor (3), protection casing (4), angle sensor (5), angle sensor underframe (6), axle (7), response piece (8) and axle (9) and limiting plate (10), its characterized in that, tire (1) is installed on wheel hub, wheel hub and motor (3) fixed the linking, motor (3) are installed on bogie (2), bogie (2) are installed on axle (7), install angle sensor underframe (6) on the top of bogie (2), install angle sensor (5) on angle sensor underframe (6), protection casing (4) are installed at the top of angle sensor (5), install response piece (8) on angle sensor (5), the induction block (8) is installed on the shaft (9), and the limiting plate (10) is installed at the bottom of the angle sensor bottom frame (6).
2. The steering angle sensor of an electrically driven curved arm aerial work platform of claim 1, wherein: the angle sensor bottom frame (6) is installed on an axle (7) through a screw washer, and is installed on a shaft (9) of the bogie (2) through an elastic check ring.
3. The steering angle sensor of an electrically driven curved arm aerial work platform of claim 1, wherein: the bogie (2) is connected with the tire (1) through a motor (3).
4. The steering angle sensor of an electrically driven curved arm aerial work platform of claim 1, wherein: the axle (9) is designed with a gap and is fixedly connected with the bogie (2) through a limiting plate (10).
5. The steering angle sensor of an electrically driven curved arm aerial work platform of claim 1, wherein: the angle sensor (5) is installed on the angle sensor bottom frame (6) through a screw washer, and the induction block (8) is matched with a semicircular head of a measuring shaft of the angle sensor (5) and then fixed through a fastening screw.
6. The steering angle sensor of an electrically driven curved arm aerial work platform of claim 1, wherein: the protection casing (4) are installed on the angle sensor bottom frame (6) through screw washers, and the protection casing (4) is designed with a directional opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022036792.1U CN213171387U (en) | 2020-09-17 | 2020-09-17 | Steering angle sensor of electrically-driven crank arm aerial work platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022036792.1U CN213171387U (en) | 2020-09-17 | 2020-09-17 | Steering angle sensor of electrically-driven crank arm aerial work platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213171387U true CN213171387U (en) | 2021-05-11 |
Family
ID=75774149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022036792.1U Expired - Fee Related CN213171387U (en) | 2020-09-17 | 2020-09-17 | Steering angle sensor of electrically-driven crank arm aerial work platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213171387U (en) |
-
2020
- 2020-09-17 CN CN202022036792.1U patent/CN213171387U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210511 |