CN217703487U - Force sensor annular mounting mechanism for power-assisted steering anti-interference robot - Google Patents
Force sensor annular mounting mechanism for power-assisted steering anti-interference robot Download PDFInfo
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- CN217703487U CN217703487U CN202221383847.9U CN202221383847U CN217703487U CN 217703487 U CN217703487 U CN 217703487U CN 202221383847 U CN202221383847 U CN 202221383847U CN 217703487 U CN217703487 U CN 217703487U
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Abstract
The utility model relates to the technical field of automobile testing devices, and discloses a force sensor annular mounting mechanism for a power-assisted steering anti-interference robot, which comprises a mounting bracket and an annular fixing frame; a first mounting hole is formed in the annular fixing frame in the circumferential direction; the mounting bracket comprises a sensor mounting part and a connecting part, and a second mounting hole matched with the first mounting hole in shape and size is arranged on the connecting part; the mounting bracket is detachably connected with the annular fixing frame through a first mounting hole and a second mounting hole; be equipped with the cavity in the sensor installation department, the cavity is used for holding force transducer. The utility model discloses well force transducer mounted position can be adjusted, and adjusts the convenience, can guarantee that the force transducer dynamometry is accurate.
Description
Technical Field
The utility model relates to an automobile test device technical field, concretely relates to force sensor annular installation mechanism for power assisted steering anti-interference robot.
Background
The power-assisted steering anti-interference robot is a commonly used test device in the current automobile performance test. The main structure of the power-assisted steering anti-interference robot generally comprises a robot main body which can be connected with an automobile steering wheel, wherein a driving mechanism such as a motor and the like, a collecting mechanism such as a sensor and the like are arranged on the main body; also included is a support structure, often a support arm, support bar, etc., for supporting the robot body. The power-assisted steering anti-interference robot has the main functions of replacing a tester to operate a steering wheel in an automobile steering anti-interference capability test, an operation stability test or other tests related to an automobile steering system, controlling a motor loaded on the robot to output torque according to a certain rule through a motor controller, measuring various data (such as lateral acceleration of an automobile, steering wheel shaking frequency and the like) through a sensor loaded on the robot, and further completely and objectively obtaining the evaluation on the automobile operation stability and other related performances, wherein the test stability and reliability are better.
In addition, when the power-assisted steering anti-interference robot is used, a main body of the robot needs to be fixed on a steering wheel, a supporting structure connected with a collecting mechanism (a sensor and the like) on the robot main body needs to be supported on front-view glass or other flat surfaces, the collecting mechanism can be driven to generate displacement when the steering wheel rotates, the collecting mechanism further extrudes the supporting structure, the supporting structure is pressed, and then the pressure generated by steering of the steering wheel is reflected to the collecting mechanism, so that the collecting mechanism is helped to finish force measurement. And, the supporting mechanism can also assist in supporting the robot. In addition, in order to ensure the accuracy of data acquisition of acquisition mechanisms such as sensors, the moment of force measured by the sensors needs to be ensured to be perpendicular to the supporting structure, if the moment of force measured by the sensors is not perpendicular to the supporting structure, an oblique load and an eccentric load can be generated in the force measurement process, the measurement result of the sensors can be directly influenced, and the test is inaccurate.
However, the sensor of the conventional power steering anti-interference robot is often fixedly mounted on the robot body, and when the robot is mounted, the mounting position of the robot body and the supporting position of the supporting structure need to be repeatedly adjusted, so that the moment when the sensor measures the force is perpendicular to the supporting structure, and long mounting and adjusting time needs to be consumed. And, for some small-size motorcycle types, receive the restriction of car space size, the position scope that can supply the mounting of bearing structure is less, because the sensor position is fixed, can not adjust and obtain perpendicular moment simultaneously, can directly influence the test accuracy.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a force sensor annular installation mechanism for power assisted steering anti-interference robot, force sensor mounted position can be adjusted, and adjusts the convenience, can guarantee that the force sensor dynamometry is accurate.
The utility model provides a basic scheme does: the force sensor annular mounting mechanism for the power-assisted steering anti-interference robot comprises a mounting bracket and an annular fixing frame; a plurality of mounting positions are circumferentially arranged on the annular fixing frame; the mounting bracket comprises a sensor mounting part and a connecting part; a cavity is arranged in the sensor mounting part and used for accommodating the force sensor; the connecting part is detachably connected with the mounting position of the annular fixing frame along the circumferential direction of the annular fixing frame.
The utility model discloses a theory of operation and advantage lie in: the connecting part is detachably connected with the mounting position, namely the mounting bracket can be detachably fixed around the circumference of the annular fixing frame, and the mounting bracket can be matched with different mounting positions to be further fixed at different positions on the annular fixing frame. Set up like this, force transducer is nimble adjustable in the position on annular mount, when practical application, turn to anti-interference robot to holistic helping hand, when the installation, compare in the fixed force transducer who sets up on the robot body of conventionality, only can debug moment through unilateral adjustment supporting mechanism, and the adjustable force transducer of this scheme, force transducer can realize two-way cooperation with supporting mechanism, it is littleer to holistic installation restriction of robot, also can effectively install in less installation space, it makes force transducer's dynamometry moment and bearing structure perpendicular also to change in the adjustment, can effectively guarantee that force transducer dynamometry is accurate.
Further, the mounting position is a first mounting hole; and the connecting part is provided with a second mounting hole matched with the first mounting hole in shape and size.
By adopting the structure, the mounting bracket and the annular fixing frame can be connected through two hole sites of the first mounting hole and the second mounting hole by adopting bolts, screws and the like, and the connection stability is better.
Further, the mounting position is a first mounting hole; the connecting part is provided with a bulge matched with the first mounting hole in shape and size.
By adopting the structure, the bulge on the connecting part can be clamped into the first mounting hole, so that the mounting bracket and the annular fixing frame are connected.
Furthermore, a transition hole is formed in the sensor mounting part; the transition hole is communicated with the cavity.
By adopting the structure, the supporting structures such as the sensor, the supporting rod and the like can be connected through the transition hole, so that the follow-up assembly of the whole robot is facilitated.
Furthermore, the connecting surface of the connecting part and the first mounting position is a sector, and the radian of an arc line forming the sector is matched with that of the annular fixing frame.
By adopting the structure, the joint degree of the connecting part of the mounting bracket and the annular fixing frame is higher, and the mounting is more stable and compact.
Further, the first mounting hole is formed in the upper surface of the annular fixing frame.
By adopting the structure, the mounting hole position on the upper surface is more convenient to observe, and the mounting bracket is more convenient to fix through the first mounting hole.
Furthermore, the sensor mounting part also comprises a mounting plate, the mounting plate is arranged at the bottom of the cavity, and the center of the mounting plate is collinear with the center of the transition hole; the upper surface of the mounting plate is connected with the cavity, and the lower surface of the mounting plate is connected with the external space; be equipped with the third mounting hole on the mounting panel, the shape size looks adaptation of the fixed orifices on third mounting hole and the force sensor.
By adopting the structure, the force sensor can be stably fixed on the mounting plate by matching with the screw bolt and the like through the third mounting hole and the fixing hole, so that the force sensor is prevented from moving in the cavity, and inaccurate measurement caused by self position deviation of the force sensor can be effectively avoided.
Furthermore, in the first installation positions, an angle formed by connecting lines of two adjacent first installation positions and the center of the annular fixing frame is 18 degrees.
By adopting the structure, the arrangement of the mounting positions is uniform and the number is moderate, and diversified mounting position selection can be provided for the mounting bracket.
Drawings
Fig. 1 is a schematic view of an overall structure of a first embodiment of an annular mounting mechanism of a force sensor for a power-assisted steering anti-interference robot according to the present invention;
fig. 2 is a first schematic view of a mounting bracket structure of a first embodiment of a force sensor annular mounting mechanism for a power steering anti-interference robot according to the present invention;
fig. 3 is a second schematic view of a mounting bracket structure according to a first embodiment of the force sensor annular mounting mechanism for a power steering anti-interference robot according to the present invention.
Detailed Description
The following is further detailed by the specific embodiments:
the reference numbers in the drawings of the specification include: the sensor comprises a mounting bracket 1, a sensor mounting part 2, a mounting plate 21, a left side plate 22, a right side plate 23, a top plate 24, a cavity 25, a transition hole 26, a wiring hole 27, a third mounting hole 28, a connecting part 3, a second mounting hole 31, an annular fixing frame 4, a first mounting hole 41 and a force sensor 5.
The first embodiment is as follows:
the embodiment is basically as shown in the attached figure 1: the force sensor annular mounting mechanism for the power-assisted steering anti-interference robot comprises a mounting bracket 1 and an annular fixing frame 4; a plurality of mounting positions are circumferentially arranged on the annular fixing frame 4; in this embodiment, the mounting position is a first mounting hole 41; in addition, in the first installation positions, the angle formed by connecting lines between two adjacent first installation positions and the center of the annular fixing frame 4 is 18 degrees, namely, 20 first installation holes 41 are uniformly formed in the annular fixing frame 4 in the circumferential direction, diversified installation position selection can be provided for the installation support 1, in addition, other mechanisms such as a motor of the power-assisted steering anti-interference robot can be installed and connected through the first installation holes 41, and the functionality of the annular fixing frame 4 is stronger.
As shown in fig. 2 and 3, the mounting bracket 1 includes a sensor mounting portion 2 and a connecting portion 3; a cavity 25 is arranged in the sensor mounting part 2, and the cavity 25 is used for accommodating the force sensor 5; in this embodiment, the force sensor 5 may be an SBT 751A-type force sensor 5; the force sensor 5 is in a cylinder shape, and the top surface of the cylinder is a sensor force measuring surface; the bottom surface of the cylinder is a sensor mounting surface; a fixing hole is formed in the sensor mounting surface; the circumference side of the cylinder is provided with a sensor wiring port. In the present embodiment, the cavity 25 is also set to be a cylindrical cavity 25, and the adaptability with the force sensor 5 is high. After the force sensor 5 is installed, the force sensor 5 is coaxial with the cylindrical cavity 25; the axis of the cylindrical cavity 25 is also parallel to the tangent of the part of the external circular surface of the annular holder 4 corresponding to the position of the cavity 25. A transition hole 26 is formed in the sensor mounting part 2; the transition hole 26 is communicated with the top of the cavity 25, and the axis of the transition hole 26 is aligned with the axis of the cavity 25, so that the transition hole 26 can be connected with supporting structures such as a sensor and a supporting rod, and the whole robot can be conveniently assembled subsequently. Still seted up wiring hole 27 on the sensor installation department 2, wiring hole 27 and cavity 25's side intercommunication, wiring hole 27 size slightly is greater than sensor wiring mouth size, sets up like this, is convenient for connect force sensor 5's wiring mouth and lead wire through wiring hole 27 to in transmission force sensor 5 data. In addition, when the force sensor 5 is installed, the force measuring surface of the sensor faces the direction of the transition hole 26, and therefore force can be transmitted to the force sensor 5 by supporting structures such as supporting rods connected with the subsequent transition hole 26 conveniently.
The connecting part 3 is detachably connected with the mounting position of the annular fixing frame 4 along the circumferential direction of the annular fixing frame 4. Specifically, the connecting portion 3 is provided with a second mounting hole 31 adapted to the shape and size of the first mounting hole 41. The distance between two adjacent second mounting holes 31 is equal to the distance between two adjacent first mounting holes 41, in this embodiment, the first mounting holes 41 are disposed on the upper surface of the annular fixing frame 4; second mounting hole 31 is equipped with 3, and connecting portion 3 are "L" template, including vertically horizontal board and vertical board, on second mounting hole 31 located horizontal board, sensor installation department 2 was connected with vertical board. The connecting surface of the connecting part 3 and the first mounting position is a sector surface, and specifically, the connecting surface refers to the lower surface of the transverse plate; and the radian of the arc line forming the sector is matched with the radian of the annular fixing frame 4, in the embodiment, the radian of the arc line forming the sector is equal to the radian of the annular fixing frame 4.
In this embodiment, the sensor mounting portion 2 includes a left side plate 22 and a right side plate 23 which are oppositely disposed, a top plate 24 and a mounting plate 21; the left and right side plates 23, the top plate 24 and the vertical plate of the connecting portion 3 may together form a cavity 25. Left side board 22 and connecting portion 3's vertical board fixed connection, roof 24 and left side board 22 fixed connection, right side board 23 can dismantle with roof 24 and connecting portion 3's vertical board and be connected, sets up like this, the dismouting of the force sensor 5 of being more convenient for. The mounting plate 21 is positioned between the left side plate 22 and the right side plate 23 and fixedly connected with the two side plates, the mounting plate 21 is arranged at the bottom of the cavity 25, and the center of the mounting plate 21 is collinear with the center of the transition hole 26; the upper surface of the mounting plate 21 is connected with the cavity 25, and the lower surface is connected with the external space; the mounting plate 21 is provided with 4 third mounting holes 28, the third mounting holes 28 are matched with the fixing holes on the force sensor 5 in shape and size, and the hole spacing is also equal.
When the force sensor is used specifically, the annular fixing frame 4 is fixed on a steering wheel, the fixing position of the mounting bracket 1 on the annular fixing frame 4 is adjusted according to the actual space in the vehicle, so that the force measuring moment of the force sensor 5 is perpendicular to a power-assisted steering anti-interference robot supporting structure which is connected with the transition hole 26 and is similar to a supporting rod and the like, and the position of the mounting bracket 1 is fixed by adopting a screw bolt and the like through the first mounting hole 41 and the second mounting hole 31 after the adjustment is finished.
The embodiment provides a force sensor annular installation mechanism for power assisted steering anti-interference robot, the mountable of installing support 1 is in the different positions of annular mount 4 for force sensor 5's mounted position is various adjustable, force sensor 5 can realize two-way cooperation with the supporting mechanism of power assisted steering anti-interference robot, even in less space, also can pass through both sides's position adjustment, obtain dynamometry moment vertically test structure, can effectively guarantee that 5 dynamometry of force sensor are accurate. And the sensor mounting part 2 of the mounting bracket 1 is provided with a mounting plate 21 matched with the force sensor 5, so that the force sensor 5 can be stably mounted. And moreover, the structure of the transition hole 26, the wiring hole 27 and the like is arranged, so that the assembly of the whole follow-up power-assisted steering anti-interference robot is facilitated.
Example two:
on the basis of the first embodiment, the structure of the connecting part 3 of the mounting bracket 1 is changed, and the second mounting hole 31 on the connecting part 3 is changed into a bulge.
Specifically, the connecting portion 3 is provided with a protrusion adapted to the shape and size of the first mounting hole 41, and the interval between two adjacent protrusions is equal to the interval between two adjacent first mounting holes 41. In a specific application, to adjust the mounting position of the force sensor 5, the protrusions may be snapped into different first mounting holes 41.
The utility model provides a force sensor annular installation mechanism for helping hand turns to anti-interference robot compares in the way of adopting connection installing support 1 and annular mount 4 such as screw bolt among the embodiment one, adopts protruding block in this scheme, and is more convenient and fast during the adjustment position.
The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (8)
1. The force sensor annular mounting mechanism for the power-assisted steering anti-interference robot is characterized by comprising a mounting bracket and an annular fixing frame; a plurality of mounting positions are circumferentially arranged on the annular fixing frame; the mounting bracket comprises a sensor mounting part and a connecting part; a cavity is arranged in the sensor mounting part and used for accommodating the force sensor; the connecting part is detachably connected with the mounting position of the annular fixing frame along the circumferential direction of the annular fixing frame.
2. The force sensor ring mounting mechanism for a power assisted steering anti-jamming robot of claim 1, wherein the mounting location is a first mounting hole; and the connecting part is provided with a second mounting hole matched with the first mounting hole in shape and size.
3. The force sensor ring mounting mechanism for a power assisted steering anti-jamming robot of claim 1, wherein the mounting location is a first mounting hole; the connecting part is provided with a bulge matched with the first mounting hole in shape and size.
4. The force sensor ring mounting mechanism for a power assisted steering disturbance rejection robot of claim 1, wherein a transition hole is provided on the sensor mounting portion; the transition hole is communicated with the cavity.
5. The force sensor annular mounting mechanism for the power-assisted steering anti-interference robot as claimed in claim 1, wherein the connecting surface of the connecting part and the first mounting position is a sector, and the radian of an arc line forming the sector is matched with the radian of the annular fixing frame.
6. The force sensor annular mounting mechanism for the power-assisted steering anti-interference robot as claimed in claim 2 or 3, wherein the first mounting hole is provided on an upper surface of the annular fixing frame.
7. The force sensor ring mounting mechanism for a power assisted steering disturbance rejection robot of claim 5, wherein the sensor mounting section further comprises a mounting plate, the mounting plate is disposed at the bottom of the cavity and the center of the mounting plate is collinear with the center of the transition hole; the upper surface of the mounting plate is connected with the cavity, and the lower surface of the mounting plate is connected with the external space; be equipped with the third mounting hole on the mounting panel, the shape size looks adaptation of the fixed orifices on third mounting hole and the force sensor.
8. The force sensor ring mounting mechanism for the power steering disturbance rejection robot as claimed in claim 5, wherein an angle formed by a line connecting two adjacent first mounting positions with the center of the ring-shaped fixing frame is 18 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221383847.9U CN217703487U (en) | 2022-05-31 | 2022-05-31 | Force sensor annular mounting mechanism for power-assisted steering anti-interference robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221383847.9U CN217703487U (en) | 2022-05-31 | 2022-05-31 | Force sensor annular mounting mechanism for power-assisted steering anti-interference robot |
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| Publication Number | Publication Date |
|---|---|
| CN217703487U true CN217703487U (en) | 2022-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221383847.9U Active CN217703487U (en) | 2022-05-31 | 2022-05-31 | Force sensor annular mounting mechanism for power-assisted steering anti-interference robot |
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| Country | Link |
|---|---|
| CN (1) | CN217703487U (en) |
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2022
- 2022-05-31 CN CN202221383847.9U patent/CN217703487U/en active Active
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