CN215469943U

CN215469943U - Rotary table device

Info

Publication number: CN215469943U
Application number: CN202121833038.9U
Authority: CN
Inventors: 赵银
Original assignee: Neolix Technologies Co Ltd
Current assignee: Neolix Technologies Co Ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-01-11
Anticipated expiration: 2031-08-06

Abstract

The utility model relates to the technical field of unmanned vehicles, unmanned driving or automatic driving, and discloses a turntable device. Wherein the turntable device comprises a workbench, a turntable assembly and a switch. The workbench is used for bearing an unmanned vehicle; the rotating frame assembly comprises a rotating frame, an index plate and a driving part, the index plate is fixed at the bottom of the rotating frame, the driving part is connected to the index plate in a driving mode, the workbench is fixed on the rotating frame, and the driving part can drive the index plate to rotate according to a preset angle so that the index plate can drive the rotating frame and the workbench to rotate; the switch is connected with the driving component and used for controlling the on-off of the driving component. The utility model realizes the automatic calibration of the sensor of the unmanned vehicle, and the mode that the driving part drives the dividing plate not only ensures that the unmanned vehicle has accurate rotation angle, improves the data acquisition precision and the calibration quality, but also saves the labor cost and improves the working efficiency. Moreover, no vehicle is constantly on the workbench, no collision risk exists, and the operation safety is improved.

Description

Rotary table device

Technical Field

The utility model relates to the technical field of unmanned vehicles, unmanned driving or automatic driving, in particular to a rotary table device.

Background

With the development of science and technology, unmanned vehicles are driven on roads more and more. The unmanned vehicle needs to carry out sensor automation calibration in the calibration workshop before using, and the calibration workshop adopts high accuracy scanner to scan the unmanned vehicle, and the cloud error of scanning point is 1mm, effectively ensures to calibrate accurately, and when the calibration, the unmanned vehicle needs to carry out the data acquisition in different position, requires that the unmanned vehicle rotates and stops in different positions promptly to carry out data acquisition. In the prior art, an operator is used for operating an unmanned vehicle to rotate and stop. However, the mode of operating the unmanned vehicle by an operator has low efficiency and inaccurate rotation angle, and the calibration of one unmanned vehicle requires at least 60 minutes, which wastes labor cost; in a calibration workshop, when an operator operates the unmanned vehicle to rotate, the unmanned vehicle has the risk of collision.

Accordingly, there is a need for a turntable device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model aims to provide the turntable device, which realizes the automatic calibration of the sensor of the unmanned vehicle, saves the labor cost, improves the calibration quality and improves the operation safety.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a turntable device comprising:

the workbench is used for bearing the unmanned vehicle;

the rotary frame assembly comprises a rotary frame, an index plate and a driving part, wherein the index plate is fixed at the bottom of the rotary frame, the driving part is connected to the index plate in a driving mode, the workbench is fixed on the rotary frame, and the driving part can drive the index plate to rotate according to a preset angle so that the index plate can drive the rotary frame and the workbench to rotate;

and the switch is connected with the driving part and used for controlling the on-off of the driving part.

As a preferable technical scheme of the turntable device, the driving part comprises a driving part and a transmission gear, the indexing disc ring is provided with a plurality of meshing grooves, the driving part is connected to the transmission gear in a driving mode, and the transmission gear is connected with the meshing grooves in a meshing mode.

In a preferred embodiment of the turntable device, the index plate is an annular index plate, and the driving member is provided inside the annular index plate.

As a preferred technical scheme of the rotary table device, the rotary table assembly further comprises a base and a rotary table bearing, the rotary table bearing is fixed on the base, and the rotary table is rotatably arranged above the base through the rotary table bearing.

As a preferable technical solution of the turntable device, the turret assembly further includes a plurality of rollers, the plurality of rollers are circumferentially disposed at the bottom of the turret, and the rollers roll and abut against the base.

As a preferred technical scheme of the rotary table device, the rotary table device further comprises an inclined collapse table, wherein a slope surface is arranged on the inclined collapse table, and the top end of the slope surface is connected with the working table.

As an optimal technical scheme of the turntable device, a first limiting part and a second limiting part are arranged on the workbench, the first limiting part is used for limiting the unmanned vehicle to move along a first direction, the second limiting part is used for limiting the unmanned vehicle to move along a second direction, and the first direction is perpendicular to the second direction.

As a preferred technical scheme of the turntable device, the first limiting member includes two guide blocks, the two guide blocks are arranged on the workbench at intervals along a first direction, and wheels of the unmanned vehicle can move to a gap between the two guide blocks.

As a preferable technical solution of the turntable device, the second limiting member includes two deceleration strips, and the two deceleration strips are adjacently disposed on the workbench along the second direction.

The turntable device further comprises a zero position sensor, the zero position sensor is used for detecting whether the turntable rotates to a zero position, and the zero position sensor is in signal connection with the driving part.

The utility model has the beneficial effects that:

during operation, operating personnel operates the unmanned car and moves to the workstation on, then operating personnel opens the switch, makes drive unit drive graduated disk rotate according to predetermineeing the angle, and then the graduated disk drives workstation and unmanned car and according to predetermineeing the angle rotation and stop, and when stall, the calibration workshop carries out data acquisition to the unmanned car, and after the test was accomplished, operating personnel closed the switch, then operates unmanned car and break away from the workstation. The utility model realizes the automatic calibration of the sensor of the unmanned vehicle, and the mode that the driving part drives the dividing plate not only ensures that the unmanned vehicle has accurate rotation angle, improves the data acquisition precision and the calibration quality, but also saves the labor cost and improves the working efficiency. Moreover, no vehicle is constantly on the workbench, no collision risk exists, and the operation safety is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic structural view of a turntable device according to an embodiment of the present invention;

FIG. 2 is a front view of a turret device provided in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a workbench according to an embodiment of the present invention.

The figures are labeled as follows:

1. a work table; 11. a first limit piece; 12. a second limiting member; 2. a turret assembly; 21. rotating the frame; 22. an index plate; 23. a drive member; 231. a drive member; 232. a transmission gear; 24. a base; 25. a turntable bearing; 26. and a roller.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The unmanned vehicle needs to be automatically calibrated in a calibration workshop before being used, and during calibration, the unmanned vehicle is required to rotate and stop at different directions so as to acquire data. In the prior art, an operator is used for operating an unmanned vehicle to rotate and stop. The mode that an operator operates the unmanned vehicle has low efficiency and inaccurate rotation angle, and the calibration of one unmanned vehicle needs at least 60 minutes, which wastes labor cost; in a calibration workshop, when an operator operates the unmanned vehicle to rotate, the unmanned vehicle has the risk of collision.

To solve the above problem, as shown in fig. 1 to 3, the present embodiment provides a turntable device including a table 1, a turret assembly 2, and a switch.

Specifically, the workbench 1 is used for bearing an unmanned vehicle; the rotating frame assembly 2 comprises a rotating frame 21, an index plate 22 and a driving part 23, the index plate 22 is fixed at the bottom of the rotating frame 21, the fixing mode can be welding or screw fixing connection, the driving part 23 is connected to the index plate 22 in a driving mode, the workbench 1 is fixed on the rotating frame 21, and the driving part 23 can drive the index plate 22 to rotate according to a preset angle, so that the index plate 22 drives the rotating frame 21 and the workbench 1 to rotate; the switch is connected to the driving member 23 and is used for controlling the on-off of the driving member 23. It should be noted that the switch is a remote switch, the remote switch is located outside the calibration workshop, the remote control of the driving part 23 is realized, the connection between the remote switch and the driving part 23 is a mature technology in the prior art, a wired or wireless connection mode is specifically adopted, and details are not repeated here. The turret assembly 2 may be controlled by a controller to automatically drive the turret 21 to rotate and stop according to the test condition of the test system, or an operator may operate the turret 21 to rotate and stop. Preferably, the material of the worktable 1 is a pattern steel plate, the thickness is 3mm-5mm, and the worktable 1 is laid on the rotating frame 21.

During operation, operating personnel operates the unmanned car and moves to workstation 1 on, then operating personnel opens the switch, makes drive part 23 drive graduated disk 22 rotate according to predetermineeing the angle, and then drives workstation 1 and unmanned car and according to predetermineeing the angle rotation and stop, when stall, marks the workshop and carries out data acquisition to the unmanned car, and after the test was accomplished, operating personnel closed the switch, then operates unmanned car and break away from workstation 1. The automatic calibration of the sensor of unmanned vehicle has been realized to this embodiment, and the mode of drive part 23 drive graduated disk 22 moreover not only makes unmanned vehicle turned angle accurate, improves the data acquisition precision, improves and marks the quality, can also use manpower sparingly cost, improves work efficiency. Moreover, no vehicle is constantly on the workbench 1, so that the collision risk is avoided, and the operation safety is improved.

Preferably, the driving part 23 comprises a driving part 231 and a transmission gear 232, the indexing disc 22 is provided with a plurality of engaging grooves around, the driving part 231 is connected to the transmission gear 232 in a driving manner, the transmission gear 232 is connected to the engaging grooves in a meshing manner, and when the driving part 231 drives the transmission gear 232 to rotate, the transmission gear 232 drives the indexing disc 22 to rotate. In this embodiment, the driving member 231 is a servo motor, and precisely controls the rotation angle of the index plate 22. Further preferably, the index plate 22 is an annular index plate, and the driving member 23 is provided inside the annular index plate. In particular, the driving member 231 and the transmission gear 232 are both arranged on the inner side of the annular indexing disk, so that the structure is compact, and the external dimension of the rotating frame assembly 2 is reduced.

Further, the turret assembly 2 further includes a base 24 and a turntable bearing 25, the turntable bearing 25 is fixed on the base 24, the turret 21 is rotatably mounted above the base 24 through the turntable bearing 25, the driving part 231 of the driving part 23 is fixed on the base 24, when the driving part 23 drives the index plate 22 to rotate, the index plate 22 drives the turret 21 to rotate relative to the base 24, the turntable bearing 25 realizes the fixing of the turret 21, and the rotation stability of the turret 21 is also improved.

Preferably, the turret assembly 2 further includes a plurality of rollers 26, the plurality of rollers 26 are circumferentially disposed at the bottom of the turret 21, the rollers 26 roll and abut against the base 24, and when the turret 21 rotates, the rollers 26 assist the rotation of the turret 21, and simultaneously keep the turret 21 horizontal, thereby prolonging the service life of the turntable bearing 25.

In this embodiment, the turret assembly 2 is disposed on the ground, and the workbench 1 is relatively high, so the turntable device further comprises a slope-collapsing table, the slope-collapsing table is provided with a slope surface, the bottom end of the slope surface is connected to the ground, the top end of the slope surface is connected to the workbench 1, and the unmanned vehicle can enter the workbench 1 through the slope-collapsing table.

Further preferably, as shown in fig. 3, a first limiting member 11 and a second limiting member 12 are disposed on the workbench 1, the first limiting member 11 is used for limiting the unmanned vehicle to move along a first direction, the second limiting member 12 is used for limiting the unmanned vehicle to move along a second direction, the first direction is perpendicular to the second direction, and after the movement of the unmanned vehicle in the first direction and the second direction is limited, the rotation is more stable, and the unmanned vehicle is prevented from falling off from the workbench 1.

Preferably, the first limiting part 11 includes two guide blocks, the two guide blocks are disposed on the workbench 1 at intervals along a first direction, wheels of the unmanned vehicle can move to a gap between the two guide blocks, and the first limiting part 11 has guiding and positioning functions on the unmanned vehicle. In this embodiment, the unmanned vehicle has two front wheels and two rear wheels, the first limiting members 11 are two sets and are disposed at intervals along the first direction, and the two sets of first limiting members 11 are respectively used for guiding the two front wheels of the unmanned vehicle and limiting the two front wheels along the first direction. Further preferably, the opposite side surfaces of the two guide blocks are inclined planes, and the inclined planes are inclined from bottom to top in the direction away from the gap, so that the front wheels of the unmanned vehicle can conveniently operate to enter the gap.

Further, the second limiting member 12 includes two deceleration strips, and the two deceleration strips are adjacently disposed on the workbench 1 along the second direction. When the unmanned vehicle moves to the workbench 1, the rear wheel of the unmanned vehicle is embedded between the two deceleration strips, and the limitation of the rear wheel of the unmanned vehicle along the second direction is realized.

In order to facilitate debugging of the turret assembly 2, and the first limiting member 11 and the second limiting member 12 of the workbench 1 correspond to the position of the landslide table, so that the workbench 1 needs to be in a zero position (the zero position refers to an initial position of the workbench 1 relative to the base 24) before or after the test of the unmanned vehicle. When the rotating frame 21 is not at the zero position, the control driving part 23 continues to rotate until the rotating frame 21 and the workbench 1 rotate to the zero position. Preferably, the null sensor comprises a magnetic sensor and a magnet, one of which is disposed on the base 24 and the other of which is disposed on the turret 21. In this embodiment, the magnetic sensor is disposed on the base 24, the magnet is disposed on the rotating frame 21, and the magnetic sensor can detect the position of the magnet, and further detect the rotating position of the rotating frame 21 relative to the base 24.

Preferably, a man-machine operation interface is further arranged on the outer side of the calibration workshop, and an operator can adjust the rotating angle, the rotating speed and the stopping interval time of the rotating frame 21 according to actual test requirements through the man-machine operation interface. For example: after the turret 21 was stopped at intervals of 3 seconds, it was stopped after rotating uniformly by 24 °, and the operation was repeated. After the test is finished, the man-machine operation interface can display that the vehicle can drive away so as to remind an operator that the test is finished. Further, the outside of the calibration workshop is also provided with an alarm unit, when the turntable device has a fault, for example, the turntable assembly 2 is stuck, the alarm unit can remind an operator to maintain the turntable device, and in the embodiment, the alarm unit is an audible and visual alarm.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A turntable device, comprising:

the working table (1) is used for bearing an unmanned vehicle;

the rotating frame assembly (2) comprises a rotating frame (21), an index plate (22) and a driving part (23), wherein the index plate (22) is fixed at the bottom of the rotating frame (21), the driving part (23) is connected to the index plate (22) in a driving mode, the workbench (1) is fixed on the rotating frame (21), and the driving part (23) can drive the index plate (22) to rotate according to a preset angle, so that the index plate (22) drives the rotating frame (21) and the workbench (1) to rotate;

and the switch is connected with the driving component (23) and is used for controlling the on-off of the driving component (23).

2. The rotary table device as claimed in claim 1, wherein the driving member (23) comprises a driving member (231) and a transmission gear (232), the indexing plate (22) is provided with a plurality of engaging grooves around, the driving member (231) is connected to the transmission gear (232) in a driving manner, and the transmission gear (232) is connected to the engaging grooves in an engaging manner.

3. A turntable device as claimed in claim 2, characterized in that said indexing disk (22) is an annular indexing disk, said drive member (23) being arranged on the inside of said annular indexing disk.

4. A turntable device as claimed in claim 1, characterized in that said turret assembly (2) further comprises a base (24) and a turret bearing (25), said turret bearing (25) being fixed to said base (24), said turret (21) being rotatably mounted above said base (24) by means of said turret bearing (25).

5. The turret device according to claim 4, characterized in that the turret assembly (2) further comprises a plurality of rollers (26), wherein the plurality of rollers (26) are circumferentially arranged at the bottom of the turret (21), and wherein the rollers (26) roll against the base (24).

6. A turntable device as claimed in claim 1, further comprising a landslide table provided with a ramp surface, the top end of the ramp surface being in abutment with the table (1).

7. The turntable device according to claim 1, wherein a first stopper (11) and a second stopper (12) are provided on the table (1), the first stopper (11) being configured to restrict the unmanned vehicle from moving in a first direction, the second stopper (12) being configured to restrict the unmanned vehicle from moving in a second direction, the first direction being perpendicular to the second direction.

8. The turntable device according to claim 7, characterized in that said first stop (11) comprises two guide blocks, which are arranged at a distance from each other in said first direction on said table (1), the wheels of said unmanned vehicle being movable to a gap between said two guide blocks.

9. A turntable device as claimed in claim 7, characterized in that said second stop (12) comprises two deceleration strips, which are arranged adjacent to each other in said second direction on said table (1).

10. Turntable device as claimed in claim 4, characterized in that it further comprises a zero sensor for detecting whether the turntable (21) is rotated to a zero position, which zero sensor is signal-connected to the drive member (23).