CN216434138U - Auxiliary encoding device for vehicle-mounted inertial navigation - Google Patents
Auxiliary encoding device for vehicle-mounted inertial navigation Download PDFInfo
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- CN216434138U CN216434138U CN202122780593.6U CN202122780593U CN216434138U CN 216434138 U CN216434138 U CN 216434138U CN 202122780593 U CN202122780593 U CN 202122780593U CN 216434138 U CN216434138 U CN 216434138U
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Abstract
The utility model discloses an auxiliary coding device of vehicle-mounted inertial navigation, which comprises an encoder and an encoder fixing seat, wherein the encoder fixing seat comprises a bottom plate and a first fixed plate parallel to the bottom plate, the bottom plate is sequentially provided with a first transmission wheel and a second transmission wheel along the height direction of an automobile, the rotation direction of the first transmission wheel and the rotation direction of the second transmission wheel are parallel to the bottom plate, a transmission belt is coiled between the first transmission wheel and the second transmission wheel, the encoder is fixed on the first fixed plate, the rotation shaft of the encoder is fixedly connected with the second transmission wheel, the first fixed plate is symmetrically connected with auxiliary fixed plates along the length direction of the automobile body, the auxiliary fixed plates and the first fixed plate are in a shape like a Chinese character ji, the center of the first transmission wheel is fixedly connected with the transmission shaft, the transmission shaft is connected with the center of a wheel hub, the rotation condition of the wheel hub is transmitted to the encoder through a belt transmission mode, the service life of the encoder can be prolonged, the reliability of monitoring and the accuracy of monitoring are increased.
Description
Technical Field
The utility model relates to an encoder field especially relates to an auxiliary encoding device of on-vehicle inertial navigation.
Background
Inertial navigation is a completely autonomous navigation system, does not need external reference and support, and has the characteristic that the inertial navigation is naturally not interfered or deceived by the outside world. Therefore, the prior airplanes, submarines, missiles and various spacecrafts are equipped with precise inertial navigation systems besides a GPS navigation system. The inertial navigation system mainly has two functions, one is to fill up the vacancy left by the GPS temporarily under the condition that the GPS signal is lost or very weak, obtain the three-dimensional high-precision positioning which is closest to the reality by an integral method, generally set an encoder at the rear wheel of the automobile to monitor the rotating speed of the rear wheel, and realize the accurate positioning of the condition when the automobile runs, but the rotating shaft of the existing encoder is directly connected with the axle of the automobile, so that the reliability of use can be improved, but the damage is easily caused by bumping along with the automobile, and therefore, an auxiliary encoding device which can increase the use safety is needed.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a supplementary coding device of on-vehicle inertial navigation has simple structure, advantage safe in utilization.
The technical scheme of the utility model is that:
the utility model provides a supplementary coding device of on-vehicle inertial navigation, includes encoder, encoder fixing base, the encoder fixing base includes the bottom plate, with the parallel first fixed plate of bottom plate, the bottom plate sets gradually first drive wheel, secondary drive wheel along car direction of height, first drive wheel, secondary drive wheel direction of gyration are parallel with the bottom plate, it is equipped with driving belt to roll up between first drive wheel and the secondary drive wheel, the encoder is fixed in on the first fixed plate, the axis of rotation and secondary drive wheel fixed connection of encoder, first fixed plate is along automobile body length direction both ends symmetric connection auxiliary fixed plate, auxiliary fixed plate is "nearly" style of calligraphy with first fixed plate, first drive wheel center fixed connection transmission shaft, the transmission shaft links to each other with the wheel hub center.
One end of the first transmission wheel, which is far away from the bottom plate, is provided with a transmission fixing plate parallel to the bottom plate, and the transmission shaft penetrates through the transmission fixing plate.
The transmission shaft runs through the transmission fixing plate and is coaxially sleeved with a clamp spring at one end far away from the bottom plate, and the clamp spring is in contact with the transmission fixing plate.
The transmission fixed plate is symmetrically connected with guide posts along two ends of the length direction of the vehicle body, and the guide posts are connected with the bottom plate and the transmission fixed plate.
And a guide disc is arranged between the second driving wheel and the bottom plate.
The utility model has the advantages that:
1. the encoder is connected with the hub through the belt transmission mechanism, the encoder is not directly connected with the hub, normal operation of the encoder is not influenced when bumping vibration occurs to the vehicle body, the use reliability and the monitoring accuracy can be improved, and the monitoring quality can be effectively improved;
2. one end of the first transmission wheel, which is far away from the hub, is provided with a transmission fixing plate, the end of the transmission shaft is provided with a clamp spring, and two ends of the transmission fixing plate are symmetrically connected with guide posts, so that the reliability and stability of transmission of the transmission shaft along with the rotation of the hub can be ensured;
3. a guide disc is arranged between the second driving wheel and the bottom plate, so that the position of the second driving wheel can be relatively fixed, and the driving reliability of the second driving wheel is ensured.
Drawings
Fig. 1 is a schematic overall structure diagram of an auxiliary encoding device for vehicle-mounted inertial navigation according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an auxiliary encoding device for vehicle-mounted inertial navigation according to an embodiment of the present invention.
Description of reference numerals:
the device comprises an encoder 1, an encoder fixing seat 2, a first transmission wheel 3, a second transmission wheel 4, a transmission belt 5, a transmission shaft 6, a hub 7, a clamp spring 8, a guide disc 9, a base plate 21, a first fixing plate 22, an auxiliary fixing plate 23, a transmission fixing plate 31 and a guide column 311.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
Example (b):
as shown in fig. 1-2, an auxiliary encoding device for vehicle-mounted inertial navigation comprises an encoder 1 and an encoder fixing base 2, wherein the encoder fixing base 2 comprises a bottom plate 21 and a first fixing plate 22 parallel to the bottom plate 21, the bottom plate 21 is sequentially provided with a first transmission wheel 3 along the height direction of the vehicle, the second transmission wheel 4, first transmission wheel 3, 4 direction of revolution of second transmission wheel are parallel with bottom plate 21, driving belt 5 has been rolled up between first transmission wheel 3 and the second transmission wheel 4, encoder 1 is fixed in on first fixed plate 22, the axis of rotation and the 4 fixed connection of second transmission wheel of encoder 1, first fixed plate 22 is along automobile body length direction both ends symmetric connection auxiliary fixed plate 23, auxiliary fixed plate 23 is "nearly" style of calligraphy with first fixed plate 22, 3 central fixed connection transmission shaft 6 of first transmission wheel, transmission shaft 6 links to each other with wheel hub 7 center.
The working principle of the technical scheme is as follows:
when needs are monitored the car state of traveling, all install encoder 1 on two rear wheels of car, encoder 1's axis of rotation and 4 fixed connection of second drive wheel, second drive wheel 4 links to each other through driving belt with first drive wheel 3, transmission shaft 6 of first drive wheel 3 links to each other with wheel hub 7, driven stability and driven reliability can be ensured, encoder 1 sets up on encoder fixing base 2, encoder fixing base 2 includes bottom plate 21 and first fixed plate 22, first fixed plate 22 links to each other with encoder 1, encoder 1's axis of rotation is crisscross with automobile wheel hub center, the influence that jolt and bring can be avoided, encoder life can be improved, can not cause destruction to encoder 1 when the door is opened, can improve the reliability of monitoring.
One end of the first transmission wheel 3, which is far away from the bottom plate 21, is provided with a transmission fixing plate 31 which is parallel to the bottom plate 21, the transmission shaft 6 penetrates through the transmission fixing plate 31 and is far away from the coaxial sleeve of one end of the bottom plate 21, the snap spring 7 is in contact with the transmission fixing plate 31, the transmission fixing plate 31 is symmetrically connected with the guide columns 311 along the two ends of the length direction of the vehicle body, the guide columns 311 are connected with the bottom plate 21 and the transmission fixing plate 31, and the reliability and the stability of the transmission shaft along with the rotation transmission of the wheel hub can be ensured.
A guide disc 9 is arranged between the second transmission wheel 4 and the bottom plate 21, so that the position of the second transmission wheel can be relatively fixed, and the transmission reliability of the second transmission wheel is ensured.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not 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 (5)
1. The auxiliary encoding device for vehicle-mounted inertial navigation is characterized by comprising an encoder (1) and an encoder fixing seat (2), wherein the encoder fixing seat (2) comprises a bottom plate (21) and a first fixing plate (22) parallel to the bottom plate (21), the bottom plate (21) is sequentially provided with a first transmission wheel (3) and a second transmission wheel (4) along the height direction of a vehicle, the rotation directions of the first transmission wheel (3) and the second transmission wheel (4) are parallel to the bottom plate (21), a transmission belt (5) is coiled between the first transmission wheel (3) and the second transmission wheel (4), the encoder (1) is fixed on the first fixing plate (22), a rotation shaft of the encoder (1) is fixedly connected with the second transmission wheel (4), the first fixing plate (22) is symmetrically connected with auxiliary fixing plates (23) along the two ends of the length direction of the vehicle body, auxiliary fixed plate (23) and first fixed plate (22) are "ji" style of calligraphy, first drive wheel (3) center fixed connection transmission shaft (6), transmission shaft (6) link to each other with wheel hub (7) center.
2. The auxiliary encoding device for vehicle inertial navigation according to claim 1, wherein the end of the first transmission wheel (3) far away from the bottom plate (21) is provided with a transmission fixing plate (31) parallel to the bottom plate (21), and the transmission shaft (6) penetrates through the transmission fixing plate (31).
3. The auxiliary coding device for the vehicle-mounted inertial navigation system according to claim 2, wherein the transmission shaft (6) penetrates through the transmission fixing plate (31) and is coaxially sleeved with a clamp spring (8) at one end far away from the bottom plate (21), and the clamp spring (8) is in contact with the transmission fixing plate (31).
4. The auxiliary encoding device for vehicle-mounted inertial navigation according to claim 2, wherein the transmission fixing plate (31) is symmetrically connected with guide posts (311) at two ends along the length direction of the vehicle body, and the guide posts (311) are connected with the bottom plate (21) and the transmission fixing plate (31).
5. An auxiliary encoding device for inertial navigation on board a vehicle according to claim 1, characterized in that a guide disc (9) is arranged between the second transmission wheel (4) and the bottom plate (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122780593.6U CN216434138U (en) | 2021-11-15 | 2021-11-15 | Auxiliary encoding device for vehicle-mounted inertial navigation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122780593.6U CN216434138U (en) | 2021-11-15 | 2021-11-15 | Auxiliary encoding device for vehicle-mounted inertial navigation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216434138U true CN216434138U (en) | 2022-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122780593.6U Active CN216434138U (en) | 2021-11-15 | 2021-11-15 | Auxiliary encoding device for vehicle-mounted inertial navigation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216434138U (en) |
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2021
- 2021-11-15 CN CN202122780593.6U patent/CN216434138U/en active Active
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