CN110631607A - Environmental perception sensor performance test experiment bench for layout optimization - Google Patents
Environmental perception sensor performance test experiment bench for layout optimization Download PDFInfo
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- CN110631607A CN110631607A CN201911039033.6A CN201911039033A CN110631607A CN 110631607 A CN110631607 A CN 110631607A CN 201911039033 A CN201911039033 A CN 201911039033A CN 110631607 A CN110631607 A CN 110631607A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
Abstract
The invention provides an environmental perception sensor performance test experiment bench for layout optimization, which comprises a base, a three-dimensional translation mechanism, a horizontal angle rotating mechanism, a vertical angle rotating mechanism and a sensor bracket, wherein the base is provided with a plurality of parallel sliding rails; the three-dimensional translation mechanism is fixed on the base through a bearing support, the horizontal angle rotation mechanism is fixed on an upper translation beam and a lower translation beam of the three-dimensional translation mechanism, the vertical angle rotation mechanism is connected with a supporting top plate of the horizontal rotation mechanism, and the sensor support is fixed at the top of a rotating sliding block of the vertical angle rotation mechanism; the invention can realize the accurate adjustment of the three-dimensional space position and the horizontal and vertical angles in the performance test of the environmental perception sensor, has accurate positioning and convenient disassembly, assembly, replacement and maintenance.
Description
Technical Field
The invention relates to the technical field of layout optimization of environment perception sensors of automatic driving vehicles, in particular to an environment perception sensor performance test experiment bench for layout optimization.
Background
The environment perception is one of core technologies for realizing automatic driving of the vehicle, and the environment perception function is to collect the environment information and the vehicle dynamic information of the vehicle through an environment perception sensor and provide the environment information and the vehicle dynamic information for a computer system to perform subsequent processing and integration processing. The information acquired by the environment perception sensor is an important basis for subsequent decision processing of the computer system, and the quality of the acquired information directly influences the decision level of the subsequent computer system. The sensing performance of the sensor is jointly determined by internal parameters and external parameters, and the sensor layout optimization is the optimization of the external parameters (installation position and installation angle) of the sensor. In the case of sensor internal parameter determination, sensor layout optimization is an effective method for further mining sensor sensing performance.
Disclosure of Invention
The invention aims to provide an environmental perception sensor performance test experiment bench for layout optimization, which meets the requirement of continuously changing external parameters (installation position and installation angle) required by the environmental perception sensor performance test.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides an environmental perception sensor performance test experiment bench for overall arrangement is optimized, includes base, three-dimensional translation mechanism, horizontal angle rotary mechanism, vertical angle rotary mechanism and sensor support, three-dimensional translation mechanism passes through bearing bracket to be fixed on the base, horizontal angle rotary mechanism fixes on three-dimensional translation mechanism's vertical lift crossbeam, vertical angle rotary mechanism and horizontal rotary mechanism support roof are connected, the sensor support is fixed at the top of semicircle turbine rocker.
Further, the base comprises a ground foot, a bottom plate and a balance weight, the ground foot is arranged at the bottom of the bottom plate, the center of the bottom plate is provided with a cross aligning groove, and the balance weight is arranged at the bottom of the bottom plate.
Further, the three-dimensional translation mechanism comprises a left-right translation mechanism, a front-back translation mechanism and a vertical lifting mechanism, the left-right translation mechanism is driven by a left-right translation driving motor fixed on the base, the left-right translation driving motor is connected with a first driving shaft fixed on the base, a gear mounted on the first driving shaft is meshed with a gear mounted on the first driving shaft, left-right translation driving bevel gears are arranged at two ends of the first driving shaft, the left-right translation driving bevel gears are respectively meshed with driven bevel gears mounted on left-right translation lead screws, the left-right translation lead screws are fixed on the base, left-right translation stroke limit stoppers are fixed on the left-right translation lead screws, left-right translation sliders with internal threads are assembled on the left-right translation lead screws, left-right translation pointers are fixed on the left-right translation sliders, the left-right translation sliders are connected by left-right translation cross, the left and right translation lead screw cover plate is fixed on the base, and the outer side surface of the left and right translation lead screw cover plate is provided with left and right translation scales.
Furthermore, a bottom plate of the front-back translation mechanism is fixed on a left-right translation beam, a front-back translation driving motor is connected with a second driving shaft fixed on the bottom plate of the front-back translation mechanism, a gear arranged on the second driving shaft is engaged with a gear arranged on the second driving shaft, front-back translation driving bevel gears are arranged at two ends of the second driving shaft, the front-back translation driving bevel gears are respectively engaged with driven bevel gears arranged on front-back translation lead screws, the front-back translation lead screws are fixed on the bottom plate of the front-back translation mechanism, front-back translation stroke limit stoppers are fixed on the front-back translation lead screws, front-back translation sliders with internal threads are arranged on the front-back translation lead screws, front-back translation pointers are fixed on the front-back translation sliders, the front-back translation sliders are connected by the front-back, the front and back translation lead screw cover plate is fixed on a bottom plate of the front and back translation mechanism, and the outer side surface of the front and back translation lead screw cover plate is provided with front and back translation scales.
Furthermore, a bottom plate of the vertical lifting mechanism is fixed on a cross beam which can translate back and forth, a vertical lifting driving motor is connected with a third driving shaft fixed on the bottom plate of the vertical lifting mechanism, a gear arranged on the third driving shaft is engaged with a gear arranged on a third driving shaft, vertical lifting driving bevel gears are arranged at two ends of the third driving shaft, the vertical lifting driving bevel gears are respectively engaged with driven bevel gears arranged on vertical lifting screw rods, the vertical lifting screw rods are fixed on a vertical lifting back plate which is fixed on the bottom plate of the vertical lifting mechanism, a vertical lifting stroke limit stop block is fixed on the vertical lifting screw rods, vertical lifting slide blocks with internal threads are arranged on the vertical lifting screw rods, vertical lifting pointers are fixed on the vertical lifting slide blocks, the vertical lifting slide blocks are connected by the vertical lifting cross beam, and the vertical lifting cross beam can vertically lift in a through groove on the inner side surface of a vertical, the vertical lifting screw rod cover plate is fixed on the vertical lifting back plate, and the outer side surface of the vertical lifting screw rod cover plate is provided with vertical lifting scales.
Furthermore, horizontal angle rotary mechanism includes carousel seat, carousel and roof, the carousel seat is fixed on vertical lift's crossbeam, and the carousel seat is equipped with the step hole, and horizontal angle scale pointer is established at the step hole edge, the carousel imbeds and rotates in the step hole of carousel seat, and horizontal angle scale mark is established at the carousel edge, the roof passes through the pillar to be fixed on the carousel.
Further, vertical angle rotary mechanism includes that the vertical angle adjusts chassis, vertical angle and adjusts worm, support, semicircle turbine rocker, the chassis top surface is adjusted to the vertical angle is the arc surface, opens there is the dovetail, and vertical angle scale pointer is established to the side, fixes on horizontal angle rotary mechanism's roof, the worm is adjusted to the vertical angle sets up in the dovetail on chassis is adjusted to the vertical angle, the support is fixed on horizontal angle rotary mechanism's roof, semicircle turbine rocker fixes on the support, and vertical angle scale mark is established to semicircle turbine rocker circular arc edge, and the bottom is the arc surface, and the bottom top surface is equipped with dovetail boss, is equipped with the turbine tooth at the top of boss arc surface, and the top of semicircle turbine rocker is the plane of both sides extension.
Further, the sensor support includes locating plate, slip support bar, the locating plate is fixed at the top of perpendicular angle rotary mechanism well semicircle turbine rocker, and the locating plate is equipped with positioning hole and support bar slide, and the support bar slide is established in the recess of locating plate, and perpendicular with positioning hole, the slip support bar is connected with the support bar slide of locating plate.
The invention has the beneficial effects that: when the sensor sensing performance test is carried out, the sensor is installed on a sensor support at the top of a rack, accurate positioning of the sensor in the left-right, front-back and up-down dimensions is realized through the forward rotation and the reverse rotation of different driving motors of the three-dimensional translation mechanism, and the adjustment of the sensing postures of the sensor in the horizontal direction and the vertical direction is realized through the rotation of the rotary table of the horizontal angle rotating mechanism and the adjustment of the vertical angle adjusting worm of the vertical angle rotating mechanism.
Drawings
Schematic of the different mechanisms
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the left-right translation mechanism;
FIG. 3 is a schematic structural view of a left-right translation mechanism for removing a baffle;
FIG. 4 is a schematic structural view of the forward-backward translation mechanism;
FIG. 5 is a schematic structural view of a debounce forward and backward translation mechanism;
FIG. 6 is a schematic view of the construction of the vertical lift mechanism;
FIG. 7 is a schematic view of the construction of the vertical lift mechanism for debossing;
fig. 8 is a schematic structural view of the horizontal angle rotation mechanism;
fig. 9 is a schematic structural view of the vertical angle rotating mechanism;
FIG. 10 is a schematic view of a sensor holder configuration;
fig. 11 is a base.
Detailed description of the invention
The shape and structure of each component, the connection relationship between the components, the working principle and the using method of each mechanism related to the present invention are further described in detail with reference to the accompanying drawings, which help those skilled in the art to have a clearer, more accurate, more comprehensive and deeper understanding of the concept and technical scheme of the present invention.
The invention provides an environmental perception sensor performance test experiment bench for layout optimization, which comprises a base 100, a three-dimensional translation mechanism 200, a horizontal angle rotation mechanism 300, a vertical angle rotation mechanism 400 and a sensor support 500, wherein the three-dimensional translation mechanism 200 is fixed on the base 100, the horizontal angle rotation mechanism 300 is fixed on a vertical lifting cross beam 288 of the three-dimensional translation mechanism 200, the vertical angle rotation mechanism 400 is connected with a horizontal rotation mechanism supporting top plate 330, the sensor support 500 is fixed at the top of a semicircular turbine rocking block 440, and a sensor is arranged on the sensor support 500. The three-dimensional translation mechanism 200, the horizontal angle rotation mechanism 300 and the vertical angle rotation mechanism 400 all use the sensor support 500 as a control target, the three-dimensional translation mechanism 200 is used for adjusting the position of the sensor support 500 in the left-right, front-back and up-down dimensions, the position adjustment in two directions in the same dimension is realized through the positive and negative rotation of corresponding driving motors, the horizontal angle rotation mechanism 300 is used for adjusting the rotation angle of the sensor support 500 in the horizontal plane, and the vertical angle rotation mechanism 400 is used for adjusting the rotation angle of the sensor support 500 in the vertical plane.
The base 100 comprises an anchor foot 110, a base plate 120 and a counterweight 130, wherein the anchor foot 110 is arranged at the bottom of the base plate 120, a cross alignment groove is formed in the center of the base plate 120, the counterweight 130 is arranged at the bottom of the base plate 120, the cross alignment groove in the center of the base plate 120 is used for initial positioning of a sensor in a test field in the horizontal direction, and the counterweight 130 ensures balance of the rack in the left-right adjustment and front-back adjustment processes of the three-dimensional translation mechanism 200.
The three-dimensional translation mechanism 200 comprises a left-right translation mechanism 210, a front-back translation mechanism 240 and a vertical lifting mechanism 270, wherein the left-right translation mechanism 210 is driven by a left-right translation driving motor 211 fixed on a base, the left-right translation driving motor 211 is connected with a first driving shaft 212 fixed on a base bottom plate 120, a gear 213 arranged on the first driving shaft 212 is meshed with a gear 215 arranged on a first driving shaft 214, left-right translation driving bevel gears (216 and 217) are arranged at two ends of the first driving shaft 214, the left-right translation driving bevel gears (216 and 217) are respectively meshed with driven bevel gears (220 and 221) arranged on left-right translation lead screws (218 and 219), the left-right translation lead screws (218 and 219) are fixed on the base bottom plate 120, left-right translation stroke limit stoppers (222 and 223) are fixed on the left-right translation lead screws (219), and left-right translation lead screws (218 and 219) are provided with left-, 225) The left and right translation sliders (224) are connected with left and right translation pointers 226, the left and right translation sliders (224, 225) are connected with a left and right translation beam 227, the left and right translation beam translates left and right in a through groove on the inner side surfaces of the left and right translation screw rod cover plates (228, 229), the left and right translation screw rod cover plates are fixed on the base bottom plate 120, and the outer side surfaces of the left and right translation screw rod cover plates (228) are provided with left and right translation scales.
According to the invention, a left-right translation driving motor 211 drives a gear 213 arranged on a first driving shaft 212 to rotate, the gear 213 is meshed with a gear 215 to rotate, left-right translation driving bevel gears (216, 217) at two ends of a first driving shaft 214 are driven to rotate, the left-right translation driving bevel gears (216, 217) are meshed with driven bevel gears (220, 221), left-right translation lead screws (218, 219) are driven to rotate, the rotation directions of threads of the left-right translation lead screws (218, 219) are opposite, left-right translation sliders (224, 225) assembled on the left-right translation lead screws (218, 219) are provided with internal threads, and the left-right translation lead screws (218, 219) rotate to drive left-right translation cross beams 227 to translate left and right.
In the invention, a bottom plate 241 of a front-back translation mechanism 240 is fixed on a transverse beam 227 which translates left and right, a front-back translation driving motor 242 is connected with a second driving shaft 243 fixed on the bottom plate 241 of the front-back translation mechanism, a gear 244 arranged on the second driving shaft 243 is meshed with a gear 246 arranged on a second driving shaft 245, front-back translation driving bevel gears (247, 248) are arranged at two ends of the second driving shaft 245, the front-back translation driving bevel gears (247, 248) are respectively meshed with driven bevel gears (251, 252) arranged on front-back translation lead screws (249, 250), the front-back translation lead screws (249, 250) are fixed on the bottom plate 241 of the front-back translation mechanism 240, front-back translation travel limit stoppers (253, 254) are fixed on the front-back translation lead screws (249), front-back translation sliders (255, 256) with internal threads are arranged on the front-back translation lead screws (249, 250), the front and back translation sliding blocks (255 and 256) are connected by a front and back translation beam 258, the front and back translation beam 258 translates front and back in the through grooves on the inner side surfaces of the front and back translation screw rod cover plates (259 and 260), the front and back translation screw rod cover plates (259 and 260) are fixed on the bottom plate 241 of the front and back translation mechanism, and the outer side surfaces of the front and back translation screw rod cover plates (259) are provided with front and back translation scales.
According to the invention, a front-back translation driving motor 242 drives a gear 244 arranged on a second driving shaft 243 to rotate, the gear 244 and a gear 246 are meshed to rotate to drive front-back translation driving bevel gears (247, 248) at two ends of a second transmission shaft 245 to rotate, the front-back translation driving bevel gears (247, 248) are meshed with driven bevel gears (251, 252) to drive front-back translation lead screws (249, 250) to rotate, the rotation directions of the threads of the front-back translation lead screws (249, 250) are opposite, front-back translation sliding blocks (255, 256) assembled on the front-back translation lead screws (249, 250) are provided with internal threads, and the front-back translation lead screws (249, 250) rotate to drive front-back translation cross beams 258 to translate front-back.
A bottom plate 271 of a vertical lifting mechanism 270 of the invention is fixed on a cross beam 258 which can translate back and forth, a vertical lifting driving motor 272 is connected with a third driving shaft 273 fixed on the bottom plate 271 of the vertical lifting mechanism, a gear 274 installed on the third driving shaft 273 is engaged with a gear 276 installed on a third transmission shaft 275, vertical lifting driving bevel gears (277, 278) are arranged at two ends of the third transmission shaft 275, the vertical lifting driving bevel gears (277, 278) are respectively engaged with driven bevel gears (281, 282) installed on vertical lifting lead screws (279, 280), the vertical lifting lead screws (279, 280) are fixed on vertical lifting back plates (283, 284), the vertical lifting back plates (283, 284) are fixed on the bottom plate (271) of the vertical lifting mechanism, vertical lifting travel limit stoppers (285, 286) are fixed on the vertical lifting lead screws (279), and vertical lifting lead screws (279, 280) are provided with vertical lifting sliders (287, 286) with internal threads, 288) The vertical lifting slide block (288) is connected with a vertical lifting pointer, the vertical lifting slide blocks (287 and 288) are connected by a vertical lifting cross beam (289), the vertical lifting cross beam (289) vertically lifts in a through groove on the inner side surface of a vertical lifting screw rod cover plate (290 and 291), the vertical lifting screw rod cover plate (290 and 291) is fixed on a vertical lifting back plate (283 and 284), and the outer side surface of the vertical lifting screw rod cover plate (290) is provided with vertical lifting scales.
According to the invention, a vertical lifting driving motor 272 drives a gear 274 arranged on a third driving shaft 273 to rotate, the gear 274 is meshed with a gear 276 to rotate, vertical lifting driving bevel gears (277, 278) at two ends of a third transmission shaft 275 are driven to rotate, the vertical lifting driving bevel gears (277, 278) are meshed with driven bevel gears (281, 282) to drive vertical lifting screw rods (279, 280) to rotate, the rotation directions of the threads of the vertical lifting screw rods (279, 280) are opposite, vertical lifting slide blocks (287, 288) assembled on the vertical lifting screw rods (279, 280) are provided with internal threads, and the vertical lifting screw rods (279, 280) rotate to drive the vertical lifting slide blocks (287, 288) to drive a vertical lifting cross beam 289 to vertically lift.
The horizontal angle rotating mechanism 300 comprises a turntable seat 310, a turntable 320 and a top plate 330, wherein the turntable seat 310 is fixed on a vertical lifting beam 289, the turntable seat 310 is provided with a step hole, the edge of the step hole is provided with a horizontal angle scale pointer, the turntable 320 is embedded into the step hole of the turntable seat 310 to rotate, the edge of the turntable 320 is provided with horizontal angle scale lines, and the top plate 330 is fixed on the turntable through support columns (340, 350 and 360).
According to the invention, the turntable 320 is connected with the step hole of the turntable base 310 in a sliding manner, the turntable 320 rotates along the center line of the step hole of the turntable base 310 to drive the top plate 330 to rotate along the center line of the step hole of the turntable base 310, and the horizontal angle adjustment angle is measured by the scale of the edge of the turntable 320.
The invention relates to a vertical angle rotating mechanism 400 which comprises a vertical angle adjusting chassis 410, a vertical angle adjusting worm 420, a bracket 430 and a semicircular turbine rocking block 440, wherein the top surface of the vertical angle adjusting chassis 410 is an arc surface and is provided with a dovetail groove, the side surface of the vertical angle adjusting chassis is provided with a vertical angle scale pointer and is fixed on a top plate 330 of a horizontal angle rotating mechanism, the vertical angle adjusting worm 420 is arranged in the dovetail groove of the vertical angle adjusting chassis 410, the bracket 430 is fixed on the top plate 330 of the horizontal angle rotating mechanism, the semicircular turbine rocking block 440 is fixed on the bracket 430, the edge of the semicircular turbine rocking block 440 is provided with a vertical angle scale line, the bottom of the semicircular turbine rocking block is an arc surface, the top surface of the bottom of the semicircular turbine rocking block is provided with a dovetail type boss, the top of.
According to the invention, the vertical angle adjusting worm 420 is rotated, so that the vertical angle adjusting worm 420 is meshed with the turbine teeth at the top of the dovetail type boss of the semicircular turbine rocking block 440 to drive the semicircular turbine rocking block 440 to rotate, the dovetail type boss at the top surface of the bottom of the semicircular turbine rocking block 440 is in sliding fit with the dovetail groove at the top surface of the vertical angle adjusting chassis 410, the dovetail type boss slides in the dovetail groove when the semicircular turbine rocking block 440 rotates, and the vertical angle adjusting angle is measured through the scale of the edge of the semicircular turbine rocking block 440.
The sensor bracket 500 comprises a positioning plate 510 and a sliding support bar 520, wherein the positioning plate 510 is fixed at the top of a semi-circular turbine rocking block 440 of a vertical angle rotating mechanism, the positioning plate 510 is provided with a positioning through hole and a support bar slideway, the support bar slideway is arranged in a groove of the positioning plate and is vertical to the positioning through hole, and the sliding support bar 520 is connected with the support bar slideway of the positioning plate 510.
The positioning groove of the positioning plate 510 is used for fixing one end of a sensor, a mounting screw of the sensor penetrates through a fixing through hole, one end of the sensor is fixed through a gasket and a nut, a sliding support strip 520 is fixed on a support strip slide way of the positioning plate 510 according to the position of the mounting screw at the other end of the sensor, the mounting screw of the sensor penetrates through the through hole of the sliding support strip 520, the other end of the sensor is fixed through the gasket and the nut, the sliding support strip 520 slides in the support strip slide way of the positioning plate 510, and the working surface of the sliding support strip 520 and the working surface of.
The foregoing describes the general principles and features of the present invention and is intended to be within the scope of the present invention as long as various insubstantial modifications of the inventive concepts and solutions are made, or the inventive concepts and solutions are directly applicable to other applications without modification. The protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (8)
1. The utility model provides an environmental perception sensor performance test experiment bench for overall arrangement is optimized, its characterized in that, includes base, three-dimensional translation mechanism, horizontal angle rotary mechanism, vertical angle rotary mechanism and sensor support, three-dimensional translation mechanism passes through bearing bracket to be fixed on the base, horizontal angle rotary mechanism fixes on three-dimensional translation mechanism's vertical lift crossbeam, vertical angle rotary mechanism and horizontal rotary mechanism support roof are connected, sensor support fixes the top at half-round turbine rocker.
2. The environmental perception sensor performance test bench for layout optimization according to claim 1, wherein the base comprises feet, a bottom plate and a counterweight, the feet are arranged at the bottom of the bottom plate, the center of the bottom plate is provided with a cross-shaped alignment groove, and the counterweight is arranged at the bottom of the bottom plate.
3. The environmental sensor performance testing bench for layout optimization according to claim 1, wherein the three-dimensional translation mechanism comprises a left-right translation mechanism, a front-back translation mechanism and a vertical lifting mechanism, the left-right translation mechanism is driven by a left-right translation driving motor fixed on the base, the left-right translation driving motor is connected with a first driving shaft fixed on the base, a gear mounted on the first driving shaft is engaged with a gear mounted on the first driving shaft, left-right translation driving bevel gears are arranged at two ends of the first driving shaft, the left-right translation driving bevel gears are respectively engaged with driven bevel gears mounted on left-right translation lead screws, the left-right translation lead screws are fixed on the base, left-right translation stroke limit stoppers are fixed on the left-right translation lead screws, left-right translation sliders with internal threads are mounted on the left-right translation lead screws, left-right translation pointers are fixed on the left, the left translation sliding block and the right translation sliding block are connected by a left translation transverse beam and a right translation transverse beam, the left translation transverse beam and the right translation transverse beam are in left-right translation in a through groove in the inner side face of the left translation lead screw cover plate and the right translation lead screw cover plate, the left translation lead screw cover plate and the right translation lead screw cover plate are fixed on the base, and left-right translation.
4. The environmental sensor performance testing bench for layout optimization according to claim 3, wherein the bottom plate of the front-rear translation mechanism is fixed on the left-right translation beam, the front-rear translation driving motor is connected with the second driving shaft fixed on the bottom plate of the front-rear translation mechanism, the gear mounted on the second driving shaft is engaged with the gear mounted on the second driving shaft, the two ends of the second driving shaft are provided with front-rear translation driving bevel gears which are respectively engaged with the driven bevel gears mounted on the front-rear translation lead screw, the front-rear translation lead screw is fixed on the bottom plate of the front-rear translation mechanism, the front-rear translation stroke limit stopper is fixed on the front-rear translation lead screw, the front-rear translation lead screw is provided with the front-rear translation slider with internal threads, the front-rear translation pointer is fixed on the front-rear translation slider, and the front-rear translation slider, the transverse beam which translates front and back translates in the through groove on the inner side of the front and back translation lead screw cover plate, the front and back translation lead screw cover plate is fixed on the bottom plate of the front and back translation mechanism, and the outer side of the front and back translation lead screw cover plate is provided with front and back translation scales.
5. The environmental sensor performance testing bench for layout optimization according to claim 3, wherein the bottom plate of the vertical lift mechanism is fixed to a cross beam that translates back and forth, the vertical lift driving motor is connected to a third driving shaft fixed to the bottom plate of the vertical lift mechanism, a gear mounted on the third driving shaft is engaged with a gear mounted on the third driving shaft, vertical lift driving bevel gears are provided at both ends of the third driving shaft, the vertical lift driving bevel gears are respectively engaged with driven bevel gears mounted on vertical lift screws, the vertical lift screws are fixed to a vertical lift back plate fixed to the bottom plate of the vertical lift mechanism, vertical lift stroke limit stoppers are fixed to the vertical lift screws, vertical lift sliders with internal threads are mounted to the vertical lift screws, vertical lift pointers are fixed to the vertical lift sliders, the vertical lifting slide block is connected by a vertical lifting beam, the vertical lifting beam vertically lifts in a through groove on the inner side surface of the vertical lifting lead screw cover plate, the vertical lifting lead screw cover plate is fixed on the vertical lifting back plate, and the outer side surface of the vertical lifting lead screw cover plate is provided with vertical lifting scales.
6. The environmental sensor performance test bench for layout optimization according to claim 1, wherein the horizontal angle rotation mechanism comprises a turntable base, a turntable and a top plate, the turntable base is fixed on the vertically lifting beam, the turntable base is provided with a step hole, a horizontal angle scale pointer is arranged at the edge of the step hole, the turntable is embedded into the step hole of the turntable base to rotate, the edge of the turntable is provided with horizontal angle scale lines, and the top plate is fixed on the turntable through a support column.
7. The environmental awareness sensor performance testing bench of claim 1, it is characterized in that the vertical angle rotating mechanism comprises a vertical angle adjusting chassis, a vertical angle adjusting worm, a bracket and a semicircular turbine rocking block, the top surface of the vertical angle adjusting chassis is an arc surface and is provided with a dovetail groove, the side surface is provided with a vertical angle scale pointer which is fixed on the top plate of the horizontal angle rotating mechanism, the vertical angle adjusting worm is arranged in a dovetail groove of the vertical angle adjusting chassis, the bracket is fixed on a top plate of the horizontal angle rotating mechanism, the semicircular turbine rocking block is fixed on the bracket, the arc edge of the semicircular turbine rocking block is provided with vertical angle scale lines, the bottom is an arc surface, the top surface of the bottom is provided with a dovetail type boss, the top of the circular arc surface of the boss is provided with turbine teeth, and the top of the semicircular turbine rocking block is a plane with two sides expanded.
8. The environmental awareness sensor performance test bench of claim 1, wherein the sensor support comprises a positioning plate and a sliding support bar, the positioning plate is fixed on the top of the semicircular turbine rocker in the vertical angle rotating mechanism, the positioning plate is provided with a positioning through hole and a support bar slide way, the support bar slide way is arranged in a groove of the positioning plate and is perpendicular to the positioning through hole, and the sliding support bar is connected with the support bar slide way of the positioning plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911039033.6A CN110631607A (en) | 2019-10-29 | 2019-10-29 | Environmental perception sensor performance test experiment bench for layout optimization |
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| CN201911039033.6A CN110631607A (en) | 2019-10-29 | 2019-10-29 | Environmental perception sensor performance test experiment bench for layout optimization |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857833A (en) * | 2021-02-24 | 2021-05-28 | 雄狮汽车科技(南京)有限公司 | Experiment bench of intelligent vehicle environment sensing system |
| CN113978378A (en) * | 2021-10-29 | 2022-01-28 | 枣庄高新区立正安装工程有限公司 | Multi-dimensional detection device for building finishing engineering |
-
2019
- 2019-10-29 CN CN201911039033.6A patent/CN110631607A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857833A (en) * | 2021-02-24 | 2021-05-28 | 雄狮汽车科技(南京)有限公司 | Experiment bench of intelligent vehicle environment sensing system |
| CN112857833B (en) * | 2021-02-24 | 2023-09-19 | 雄狮汽车科技(南京)有限公司 | Experiment bench of intelligent vehicle environment sensing system |
| CN113978378A (en) * | 2021-10-29 | 2022-01-28 | 枣庄高新区立正安装工程有限公司 | Multi-dimensional detection device for building finishing engineering |
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Application publication date: 20191231 |
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| WD01 | Invention patent application deemed withdrawn after publication |