CN210427791U - Reversing radar testing jig - Google Patents

Abstract

The utility model relates to a radar test jig backs a car, the on-line screen storage device comprises a base, the lateral shifting subassembly, longitudinal movement subassembly and swivelling movement subassembly, the lateral shifting subassembly includes first motor, the first ball screw that links to each other with the output shaft of first motor and with the first nut of first ball screw adaptation, be fixed with the cab apron on the first nut, cross and be equipped with longitudinal fixed plate on the cab apron, the longitudinal shifting subassembly sets up on longitudinal fixed plate, the swivelling movement subassembly includes the third motor, the input gear who links firmly with the output shaft of third motor, with input gear meshing's reduction gear and with reduction gear engaged with output gear, output gear is fixed with radar location platform through the pivot. The utility model discloses a set up lateral shifting subassembly, longitudinal movement subassembly and rotatory removal subassembly, can accurate fore-and-aft distance, high position and the rotation angle of adjusting test radar to various position situation of the simulation radar of backing a car that can convenient and fast improves the convenience and the comprehensiveness of test.

Description

Reversing radar testing jig

Technical Field

The utility model relates to an automobile radar technical field, concretely relates to radar test jig backs a car.

Background

Automotive radar is a radar for automobiles or other ground-based motor vehicles, which includes various different radars based on different technologies (e.g., ultrasonic, microwave). Different radars have different functions (e.g., finding obstacles, predicting collisions, adaptive cruise control), etc. The use of the automobile radar improves the driving safety, can provide necessary danger early warning for a driver, and increases the selling points of automobile products.

The automobile radar mainly sends out a specific signal and receives a reference object (obstacle) to transmit a reflected signal of the specific signal so as to achieve the purposes of finding the obstacle, predicting collision, self-adaptive cruise control and the like, and theoretically, the accuracy of detected information of the automobile radar and the reference object on the same straight line is the highest. However, when the radar is installed, due to changes in the field environment and the installation position of the equipment, or changes in the position of the reference object, a certain included angle is always formed between the radar and the reference object, and the change in the position causes measurement information errors, so that it is necessary to test corresponding correction values by simulating various position conditions of the automobile radar and the reference object (facing the reference object, and forming various included angles with the reference object) to improve the measurement accuracy.

For the accuracy of test, the car radar test main mode is to install the car radar on the car, then remove the position of adjusting the radar through the car, and this kind of mode needs the position of continuous adjustment car to realize, complex operation, and position control is accurate inadequately moreover, and the car also can not reciprocate the regulation in addition, and the test has very big limitation, can not carry out complete convenient comprehensive test.

SUMMERY OF THE UTILITY MODEL

To the not enough in the background art, the utility model provides a radar test jig backs a car.

The utility model adopts the technical proposal that: a reversing radar test jig comprises a base, a transverse moving assembly, a longitudinal moving assembly and a rotary moving assembly, wherein the transverse moving assembly comprises a first motor, a first ball screw connected with an output shaft of the first motor and a first nut matched with the first ball screw, a transition plate is fixed on the first nut, a longitudinal fixing plate is arranged on the transition plate, the longitudinal moving assembly is arranged on the longitudinal fixing plate, the longitudinal moving assembly comprises a second motor, a second ball screw connected with an output shaft of the second motor and a second nut matched with the second ball screw, a fixing plate is fixed on the second nut, the rotary moving assembly comprises a third motor, an input gear fixedly connected with an output shaft of the third motor, a reduction gear meshed with the input gear and an output gear meshed with the reduction gear, and the output gear is fixedly provided with a radar positioning table through a rotating shaft.

Furthermore, the bottom of the base is provided with a universal caster.

Furthermore, the first nut comprises an integrally formed cylindrical section and a fixing lug on the cylindrical section, a screw hole matched with the first ball screw is formed in the cylindrical section, fixing holes are formed in two sides of the fixing lug, the fixing lug is fixed on the transition plate through a bolt, and the first nut and the second nut are identical in structure.

Furthermore, the two sides of the base are provided with first ball screw rod seats, and the first ball screw rods are fixed between the two first ball screw rod seats through bearings.

Furthermore, two sides of the longitudinal fixing plate are provided with second ball screw rod seats, and the second ball screws are fixed between the two second ball screw rod seats through bearings.

Furthermore, a mounting cavity is arranged in the fixing plate, the third motor is fixed on the fixing plate, an output shaft of the third motor extends into the mounting cavity to be fixedly connected with the input gear, one end of the rotating shaft is fixedly connected with the output gear, and the other end of the rotating shaft extends out of the fixing plate to be fixed with the radar positioning table.

Furthermore, an angle scale is arranged on the outer ring of the radar positioning table.

The utility model has the advantages that: the utility model discloses a set up lateral shifting subassembly, longitudinal movement subassembly and rotatory removal subassembly, can accurate fore-and-aft distance, high position and the rotation angle of adjusting test radar to various position situation of the simulation radar of backing a car that can convenient and fast improves the convenience and the comprehensiveness of test, has simple structure, advantage that facilitates the use.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a top view of the fixing plate.

Fig. 4 is a schematic view of a first nut.

In the figure: 1. a base; 2. a first motor; 3. a first ball screw; 4. a first nut; 5. a transition plate; 6. a longitudinal fixing plate; 7. a second motor; 8. a second ball screw; 9. a second nut; 10. a fixing plate; 11. a third motor; 12. an input gear; 13. a reduction gear; 14. an output gear; 15. a rotating shaft; 16. a radar positioning stage; 17. a universal caster; 18. a cylindrical section; 19. a fixing lug; 20. a screw hole; 21. a fixing hole; 22. A first ball screw base; 23. a second ball screw base; 24. a mounting cavity; 25. and (5) an angle scale.

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 efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a radar test jig backs a car.

In this embodiment, referring to fig. 1 to 4, the reversing radar test jig includes a base 1, a lateral movement assembly, a longitudinal movement assembly, and a rotational movement assembly, where the lateral movement assembly includes a first motor 2, a first ball screw 3 connected to an output shaft of the first motor 2, and a first nut 4 adapted to the first ball screw 3, a transition plate 5 is fixed on the first nut 4, a longitudinal fixing plate 6 is disposed on the transition plate 5, the longitudinal movement assembly is disposed on the longitudinal fixing plate 6, the longitudinal movement assembly includes a second motor 7, a second ball screw 8 connected to an output shaft of the second motor 7, and a second nut 9 adapted to the second ball screw 8, a fixing plate 10 is fixed on the second nut 9, and the rotational movement assembly includes a third motor 11, and an input gear 12 fixedly connected to an output shaft of the third motor 11, A reduction gear 13 engaged with the input gear 12 and an output gear 14 engaged with the reduction gear 13, wherein the output gear 14 is fixed with a radar positioning table 16 through a rotating shaft 15.

When the radar testing device is used, a radar to be tested is fixed on a radar positioning table, and then the front and back position, the up and down position and the angle position of the radar are adjusted according to the testing requirement. In order to control conveniently, each motor can be provided with a control button, and a ball screw is used as a transmission element, so that the device has the advantages of high precision and convenience in control.

In order to facilitate the moving of the equipment, the bottom of the base is provided with universal casters 17.

The first nut comprises a cylindrical section 18 and a fixing lug 19, the cylindrical section 18 and the fixing lug 19 are integrally formed, a screw hole 20 matched with the first ball screw is formed in the cylindrical section 18, fixing holes 21 are formed in two sides of the fixing lug 19, the fixing lug 19 is fixed on the transition plate 5 through bolts, and the first nut and the second nut are identical in structure. The fixed lugs are integrally formed on the original nut matched with the ball screw, so that the transition plate and the fixed plate of the fixed lug fixing and mounting part are convenient, the fixed mounting of the part is convenient, the whole part is fixed by adopting bolts, and the disassembly and the assembly are convenient.

Two sides of the base 1 are provided with first ball screw rod seats 22, and the first ball screw rods are fixed between the two first ball screw rod seats 22 through bearings; two sides of the longitudinal fixing plate are provided with second ball screw rod seats 23, and the second ball screw rods are fixed between the two second ball screw rod seats 23 through bearings; the fixed plate in be equipped with installation cavity 24, the third motor is fixed on the fixed plate, and the output shaft of third motor stretches into in the installation cavity and links firmly with the input gear, pivot one end and output gear link firmly, the other end stretches out the fixed plate and fixes with radar location platform. The rotating speed of the third motor is reduced by the reduction gear and then is output by the output gear to drive the radar positioning table to rotate, so that the angle adjustment of the radar positioning table is realized.

An angle scale 25 is arranged on the outer ring of the radar positioning table. The arrangement of the angle scale 25 facilitates reading the position of the radar, and similarly, parallel scales can be arranged on the longitudinal fixing plate and the fixing plate to facilitate reading the position of the radar positioning table.

The utility model discloses a set up lateral shifting subassembly, longitudinal movement subassembly and rotatory removal subassembly, can accurate fore-and-aft distance, high position and the rotation angle of adjusting test radar to various position situation of the simulation radar of backing a car that can convenient and fast improves the convenience and the comprehensiveness of test.

The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concepts are not limited to the embodiments, and any modifications that utilize the inventive concepts are intended to be included within the scope of the appended claims.

Claims (7)

1. The utility model provides a radar test jig backs a car which characterized in that: comprises a base, a transverse moving component, a longitudinal moving component and a rotary moving component, wherein the transverse moving component comprises a first motor, a first ball screw connected with an output shaft of the first motor and a first nut matched with the first ball screw, a transition plate is fixed on the first nut, a longitudinal fixing plate is arranged on the transition plate, the longitudinal moving assembly is arranged on the longitudinal fixing plate and comprises a second motor, a second ball screw connected with an output shaft of the second motor and a second nut matched with the second ball screw, the second nut is fixedly provided with a fixed plate, the rotating and moving assembly comprises a third motor, an input gear fixedly connected with an output shaft of the third motor, a reduction gear meshed with the input gear and an output gear meshed with the reduction gear, and the output gear is fixedly provided with a radar positioning table through a rotating shaft.

2. The reversing radar test jig of claim 1, wherein: the bottom of the base is provided with a universal caster.

3. The reversing radar test jig of claim 1, wherein: the first nut comprises an integrally formed cylindrical section and a fixing lug on the cylindrical section, a screw hole matched with the first ball screw is formed in the cylindrical section, fixing holes are formed in two sides of the fixing lug, the fixing lug is fixed on the transition plate through a bolt, and the first nut and the second nut are identical in structure.

4. The reversing radar test jig of claim 1, 2 or 3, wherein: the base both sides be equipped with first ball screw seat, first ball screw passes through the bearing and fixes between two first ball screw seats.

5. The reversing radar test jig of claim 4, wherein: and second ball screw rod seats are arranged on two sides of the longitudinal fixing plate, and the second ball screw rods are fixed between the two second ball screw rod seats through bearings.

6. The reversing radar test jig of claim 4, wherein: the fixed plate in be equipped with the installation cavity, the third motor is fixed on the fixed plate, and the output shaft of third motor stretches into in the installation cavity and links firmly with the input gear, pivot one end and output gear link firmly, the other end stretches out the fixed plate and fixes with radar location platform.

7. The reversing radar test jig of claim 4, wherein: and an angle scale is arranged on the outer ring of the radar positioning table.

Images