Heavy-load driverless automobile test rotary table

By using a design of eight arc-shaped motors in parallel, combined with an arc-shaped stator and ball bearing structure, the wear and stability problems of the autonomous vehicle test turntable are solved, achieving the functions of high load and 360-degree rotation, which is suitable for performance testing of autonomous vehicles.

CN223808131UActive Publication Date: 2026-01-16MOLOCH (SUZHOU) INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520378540.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2026-01-16
Estimated Expiration
2035-03-06

AI Technical Summary

Technical Problem

The motion platform of the existing autonomous vehicle test turntable uses a lead screw module, which causes wear of the ball bearings inside the nut, resulting in a short service life, unstable operation, inability to load heavy objects, low motor thrust, poor stability and reliability, and inability to achieve 360-degree rotation.

Method used

The design employs eight parallel arc-shaped motors, combined with an arc-shaped stator, guide rails, sliders, ball bearings, and stainless steel springs. The arc-shaped motors drive the sliders to move, while the ball bearings rotate within the circular plate, achieving stable and flexible rotation and increasing the turntable's load-bearing capacity and rotation angle.

Benefits of technology

It achieves high load capacity, with the turntable capable of bearing a weight of one ton. It operates at high speed and can rotate 360 ​​degrees, improving stability and reliability, and is suitable for stability testing of autonomous vehicles.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223808131U_ABST
Patent Text Reader

Abstract

The utility model discloses a heavy-load driverless automobile test rotary table, which comprises a base, a plurality of eye bolts are arranged at the upper end of the base, an arc-shaped motor is mounted at the upper end of the base, an arc-shaped stator is mounted at the inner side of the arc-shaped motor, a guide rail is mounted at the upper end of the base, and the arc-shaped stator is mounted at the inner side of the guide rail. A sliding block capable of moving is installed at the upper end of the guide rail, a rotary table panel is installed at the upper end of the sliding block, the rotary table of the device adopts eight arc-shaped motors which are connected in parallel, the thrust can reach 5500 N, the diameter of the rotary table is 1380 mm, and the device can bear large-size objects and is more stable. An automobile cab can be placed on the rotary table, a tester can sit in the rotary table for testing, the maximum load can be one ton, multiple tests can be completed in a short time, the rotary table adopts eight arc-shaped motors which are connected in parallel, and the operation speed is increased and reaches two meters per second.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to big load unmanned driver's car test turntable related technical field, concretely relates to a big load unmanned driver's car test turntable. BACKGROUND

[0002] Big load unmanned driver's car test turntable is a kind of high-precision equipment specially used for testing and verifying the performance of unmanned driver's car, it is usually composed of a rotating platform capable of bearing heavy vehicle, the equipment can simulate the running state of vehicle in different directions, angles and dynamic conditions, for testing the perception, decision and control ability of unmanned system, especially the performance in complex environment or extreme working condition, test turntable is widely used in the research and development, performance optimization and safety verification of unmanned driver's car.

[0003] The original product motion platform uses screw module operation, and the ball in nut will be worn with screw rod, thereby leading to low service life, unstable operation, unable to load heavy objects, limited use range, small motor thrust, poor stability and reliability, unable to realize 360-degree rotation, small rotation angle. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of big load unmanned driver's car test turntable to solve the problem that the original product motion platform uses screw module operation, and the ball in nut will be worn with screw rod, thereby leading to low service life, unstable operation, unable to load heavy objects, limited use range, small motor thrust, poor stability and reliability, unable to realize 360-degree rotation, small rotation angle.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of big load unmanned driver's car test turntable, including base, the upper end position of the base is provided with multiple eye bolts, the upper end position of the base is installed with arc motor, the inner side position of the arc motor is installed with arc stator, the upper end position of the base is installed with guide rail, the upper end position of the guide rail is installed with movable sliding block, the upper end position of the sliding block is installed with turntable panel, the upper end of the base is fixed with support seat at the middle position, the inner side position of the support seat is provided with recess, stainless steel spring is fixed at the inner position of the recess, the upper end position of the stainless steel spring is fixed with fixed column, the upper end position of the fixed column is fixed with round plate, a plurality of balls are sleeved at the upper end inner position of the round plate.

[0006] Preferably, the eye bolts are evenly distributed at the upper end position of the base.

[0007] Preferably, the arc stator is installed at the inner side position of the arc motor.

[0008] Preferably, a magnetic scale is arranged at the position of the outer wall of the turntable panel, and the magnetic scale is wound around the position of the outer wall of the turntable panel.

[0009] Preferably, a reading head is arranged at the position of the outer side of the magnetic scale, and the reading head determines the distance of the module movement by reading the marks on the magnetic scale.

[0010] Preferably, a plurality of sliders are mounted at the upper end position of the guide rail, and the sliders move under the driving of the arc-shaped motor.

[0011] Preferably, the sliders are mounted on the turntable panel through bolts, and the movement of the sliders causes the turntable panel to rotate by 360 degrees.

[0012] Preferably, the mounting of the turntable panel and the sliders causes the circular plate to be extruded, the fixed column enters the inner position of the groove under the extrusion force, and the stainless steel spring is extruded.

[0013] Compared with the prior art, the utility model provides a big load unmanned vehicle test turntable, has the following beneficial effects:

[0014] The turntable of the device adopts eight arc-shaped motors in parallel, the thrust can reach 5500N, the diameter of the turntable is 1380mm, can bear bulky articles, is more stable, the application mainly applies to the stability test of unmanned vehicle, can place the vehicle cockpit on the turntable, and the tester can sit inside and test, can load one ton weight maximum, can complete multiple tests in a short time, the turntable adopts eight arc-shaped motors in parallel, the running speed is accelerated, reaches two meters per second.

[0015] The turntable panel is extruded by the circular plate after being mounted with the sliders, the fixed column enters the inner position of the groove, and the fixed column extrudes the stainless steel spring, the elastic force of the stainless steel spring makes the ball adhere to the lower end position of the turntable panel, and when the turntable panel rotates, the ball rotates in the inner position of the circular plate, so that the flexibility of the turntable panel rotation is increased. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a big load unmanned vehicle test turntable structure schematic view of the utility model.

[0017] Figure 2 It is a big load unmanned vehicle test turntable base internal structure schematic view of the utility model.

[0018] Figure 3 It is a big load unmanned vehicle test turntable circular plate front view structure schematic view of the utility model.

[0019] Figure 4 The utility model discloses a big load unmanned vehicle test rotary table support seat section structure schematic diagram.

[0020] In the drawing: 1, base; 2, eye bolt; 3, arc motor; 4, arc stator; 5, rotary table panel; 6, magnetic scale; 7, reading head; 8, guide rail; 9, sliding block; 10, round plate; 11, ball; 12, fixed column; 13, support seat; 14, stainless steel spring; 15, recess. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model.

[0022] In the description of the utility model, it needs to be explained that the directions or position relations indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like are the directions or position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and are not indicative or suggestive of the devices or elements indicated must have a particular direction, be constructed and operated in a particular direction, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicative or suggestive of relative importance.

[0023] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances

[0024] The utility model provides as Figures 1-4As shown in one kind of heavy load unmanned vehicle test turntable, including base 1, the upper end position of base 1 is provided with multiple eye bolts 2, the upper end position of base 1 is installed with arc motor 3, the inner side position of arc motor 3 is installed with arc stator 4, the upper end position of base 1 is installed with guide rail 8, the upper end position of guide rail 8 is installed with movable sliding block 9, the upper end position of sliding block 9 is installed with turntable panel 5, the upper end of base 1 is fixed with support seat 13 at the middle position, the inner side position of support seat 13 is provided with groove 15, stainless steel spring 14 is fixed at the inner position of groove 15, fixed column 12 is fixed at the upper end position of stainless steel spring 14, circular plate 10 is fixed at the upper end position of fixed column 12, a plurality of ball bearings 11 are sleeved at the upper end inner position of circular plate 10.

[0025] The bottom end of the heavy load unmanned vehicle test turntable is provided with a circular base 1, the diameter of the base 1 is more than one meter, which not only provides stable support for the overall structure, but also ensures the accuracy and stability of the turntable, a plurality of eye bolts 2 are installed on the base 1, which facilitates the transportation and installation of the turntable, eight arc motors 3 are installed on the outer side of the turntable in parallel, and the parallel push force can reach 1,600 N, and the speed is 2 meters per second, in order to cooperate with the movement of the motor, a circle of arc stator 4 is installed inside the motor, a plurality of small magnets are arranged in sequence according to N, S, so that the stator forms a relative magnetic circuit, after the motor is powered on, a stable magnetic field is formed, and after the motor is powered on, there is no contact movement, the cogging force is eliminated, the high acceleration performance and dynamic response characteristics are significantly improved, a turntable panel 5 is installed on the uppermost part of the turntable, a plurality of screw holes are customized on the panel, the car cockpit can be fixed on the upper part, it is not easy to shake, and the bearing capacity is stronger, a magnetic scale 6 is wound around the outer side of the panel, a reading head 7 is provided on the magnetic scale 6, the distance of the module movement is determined by reading the marks on the magnetic scale 6, so as to accurately control the corresponding distance of the movement platform, a ring-shaped guide rail 8 is installed below the panel, a plurality of sliding blocks 9 are installed on the guide rail 8, and the turntable can rotate 360 degrees through the movement of the sliding blocks 9.

[0026] As shown in Figure 1 and Figure 2 The eye bolts 2 are evenly distributed at the upper end position of the base 1, the arc stator 4 is installed at the inner side position of the arc motor 3, the magnetic scale 6 is provided at the outer wall position of the turntable panel 5, the magnetic scale 6 is wound around the outer wall position of the turntable panel 5, the reading head 7 is provided at the outer side position of the magnetic scale 6, the distance of the module movement is determined by reading the marks on the magnetic scale 6, a plurality of sliding blocks 9 are installed at the upper end position of the guide rail 8, and the sliding blocks 9 move under the drive of the arc motor 3.

[0027] The rotating table adopts eight arc-shaped motors 3 in parallel, the thrust can reach 5500N, the rotating table diameter is 1380mm, large-volume articles can be carried, and the rotating table is more stable, the present application is mainly applied to the stability test of unmanned vehicles, the vehicle cockpit can be placed on the rotating table, the tester can sit inside to test, the maximum load can be one ton, and multiple tests can be completed in a short time, the rotating table adopts eight arc-shaped motors 3 in parallel, the running speed is accelerated, and reaches two meters per second.

[0028] As shown in Figure 2 and Figure 4 The slider 9 is installed with the rotating table panel 5 through bolts, the movement of the slider 9 makes the rotating table panel 5 produce 360-degree rotation, the installation of the rotating table panel 5 and the slider 9 causes extrusion to the circular plate 10, the fixed column 12 enters the inside position of the groove 15 under the extrusion of the circular plate 10, and the stainless steel spring 14 is extruded.

[0029] The rotating table panel 5 is extruded to the circular plate 10 after being installed with the slider 9, so that the fixed column 12 enters the inside position of the groove 15, and the fixed column 12 extrudes the stainless steel spring 14, the elastic force of the stainless steel spring 14 makes the ball 11 adhere to the lower end position of the rotating table panel 5, and the ball 11 rotates in the inside position of the circular plate 10 when the rotating table panel 5 rotates.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application and does not limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A heavy load unmanned vehicle test turntable, characterized in that, The utility model provides a rotary table, including base (1), a plurality of eye bolts (2) are arranged at the upper end position of base (1), arc motor (3) is installed at the upper end position of base (1), arc stator (4) is installed at the inner side position of arc motor (3), guide rail (8) is installed at the upper end position of base (1), movable slider (9) is installed at the upper end position of guide rail (8), rotary table panel (5) is installed at the upper end position of slider (9), support seat (13) is fixed at the upper end of base (1) and is located at the middle position, recess (15) is arranged at the inner side position of support seat (13), stainless steel spring (14) is fixed at the inner position of recess (15), fixed column (12) is fixed at the upper end position of stainless steel spring (14), round plate (10) is fixed at the upper end position of fixed column (12), a plurality of ball bearings (11) are sleeved at the upper end inner position of round plate (10).

2. The heavy load unmanned vehicle test turntable according to claim 1, characterized in that: The eye bolts (2) are evenly distributed at the upper end position of the base (1).

3. The heavy load unmanned vehicle test turntable according to claim 1, characterized in that: The arc stator (4) is installed at the inner side position of the arc motor (3).

4. The heavy load unmanned vehicle test turntable according to claim 1, characterized in that: The outer wall position of the rotary table panel (5) is provided with a magnetic scale (6), and the magnetic scale (6) is wound around the outer wall position of the rotary table panel (5).

5. The heavy load unmanned vehicle test turntable according to claim 4, characterized in that: The outer side position of the magnetic scale (6) is provided with a reading head (7), and the reading head (7) determines the distance of the module movement by reading the marks on the magnetic scale (6).

6. The heavy load unmanned vehicle test turntable according to claim 1, characterized in that: A plurality of sliders (9) are installed at the upper end position of the guide rail (8), and the sliders (9) move under the drive of the arc motor (3).

7. The heavy load unmanned vehicle test turntable according to claim 6, characterized in that: The slider (9) is installed with the rotary table panel (5) through bolts, and the movement of the slider (9) makes the rotary table panel (5) rotate 360 degrees.

8. The heavy load unmanned vehicle test turntable according to claim 7, characterized in that: The installation of the rotary table panel (5) and the slider (9) causes the round plate (10) to be extruded, and the round plate (10) is extruded to make the fixed column (12) enter the inner position of the recess (15), and the stainless steel spring (14) is extruded.