Motion structure of 3D scanning radar for material surface three-dimensional detection

Abstract

The utility model discloses a motion structure of a 3D scanning radar for three-dimensional detection of a material surface, which comprises two supports arranged oppositely, a rotatable rotating shaft arranged between the two supports, a radar body fixedly arranged on the rotating shaft, the rotating shaft rotating in the vertical direction so that the radar body rotates in the vertical direction, and the radar body rotates in the vertical direction. The two brackets are fixedly arranged on a rotatable rotating chassis; a first rotating joint is fixedly installed on the support, a second rotating joint is fixedly installed on the rotating chassis, and communication and electrical connection between the radar body and the external circuit board are achieved through the first rotating joint and the second rotating joint. According to the utility model, when the rotating chassis and / or the rotating shaft move, the radar body moves to scan and monitor the surface of a material in all directions, and meanwhile, cables for communication and electrical connection between the radar body and the external circuit board are not knotted, wound and bent.

Description

Technical Field

[0001] The utility model relates to the technical field of material scanning radar installation structure, in particular to a motion structure of a 3D scanning radar for three-dimensional detection of material surface. Background Art

[0002] 3D scanning radar has many advantages such as safety, high efficiency and environmental protection, so it has been widely promoted and applied in the three-dimensional scanning and monitoring process of materials. The control circuit in the existing 3D scanning radar and the radio frequency signal transceiver circuit board on the antenna are independent of each other and connected by cables. When the antenna performs mechanical movement to detect the three-dimensional shape of the silo material, the connecting cable between its control circuit and the radio frequency signal transceiver circuit board on the antenna has a large relative movement, and the cable is in a swinging state for a long time, which can easily lead to cable aging, failure, entanglement, knotting, bending and deformation, etc., which not only reduces the reliability of the 3D scanning radar, but also shortens the service life of the 3D scanning radar. Utility Model Content

[0003] The purpose of the utility model is to overcome the deficiencies and defects of the prior art and to provide a motion structure of a 3D scanning radar for three-dimensional detection of a material surface.

[0004] The motion structure of a 3D scanning radar for three-dimensional detection of a material surface comprises two relatively arranged brackets, a rotatable rotating shaft is arranged between the two brackets, a radar body is fixedly arranged on the rotating shaft, and the two brackets are fixedly arranged on a rotatable rotating chassis; the bracket is provided with a first rotating joint, and a second rotating joint is installed at the lower end of the rotating chassis, and the communication and electrical connection between the radar body and the external circuit board are realized through the first rotating joint and the second rotating joint. When the rotating chassis and / or the rotating shaft moves, the radar body performs synchronous mechanical movement to perform all-round scanning and monitoring of the material surface, and the cables for communication and electrical connection between the radar body and the external circuit board will not be knotted, entangled or bent.

[0005] Among them, the bracket includes a first bracket and a second bracket, and a first synchronous pulley connected to one end of the rotating shaft is installed on the first bracket. The first synchronous pulley is connected to the second synchronous pulley on the driving shaft of the first driving motor through a first synchronous belt, so that the first driving motor drives the rotating shaft to perform synchronous mechanical movement.

[0006] Among them, the other end of the rotating shaft is provided with the first rotating joint, and the first rotating joint is fixed on the second bracket. The first circuit board on the radar body and the second circuit board controlling the radar body are communicated and electrically connected through the first rotating joint.

[0007] The first circuit board is connected to the rotor end of the first rotating joint through a first cable, and the stator end of the first rotating joint is connected to the second circuit board through a second cable, so that when the radar body moves in the pitch direction, the communication and electrical cables between the first circuit board and the second circuit board will not be knotted, entangled or bent.

[0008] Wherein, a second driving motor is arranged on the rotating chassis to drive the rotating chassis to rotate horizontally.

[0009] Wherein, the third synchronous pulley on the output shaft of the second driving motor is drivingly connected to the fourth synchronous pulley fixed at the center of the rotating chassis through the second synchronous belt.

[0010] Wherein, a support plate is arranged below the rotating chassis, the support plate has no mechanical movement, and the fourth synchronous pulley is arranged on the support plate.

[0011] Among them, the second rotating joint is arranged perpendicular to the rotating chassis inside or outside the fourth synchronous pulley, and the rotating chassis is provided with a through hole, at least for the cable to pass through, and the electrical and communication between the second circuit board and the third circuit board are realized through the second rotating joint, wherein the second circuit board is arranged on the side of the second bracket, and the third circuit board is arranged below the rotating chassis and has no relative movement with the support plate.

[0012] Among them, the rotor end of the second rotating joint is away from the support plate, the second circuit board is connected to the rotor end of the second rotating joint through a third cable, and the stator end of the second rotating joint is connected to the third circuit board through a fourth cable, so that when the rotating chassis moves, the communication and electrical cables between the second circuit board and the third circuit board will not be knotted, entangled or bent.

[0013] The axis of the rotating shaft is parallel to the rotating chassis. When the rotating shaft rotates, the radar body and the rotating shaft perform synchronous mechanical movement and rotation in a first direction. The bracket is perpendicular to the rotating chassis. When the rotating chassis moves, the rotating chassis, the bracket and the radar body perform synchronous mechanical movement in a second direction.

[0014] The motion structure of the 3D scanning radar for three-dimensional detection of material surface of the utility model is provided with a first rotating joint fixed by the bracket, and a second rotating joint is provided at the lower end of the rotating chassis, so that the communication and electrical connection between the radar body and the external circuit board are realized through the first rotating joint and the second rotating joint. When the rotating chassis and / or the rotating shaft moves, the radar body performs synchronous mechanical movement to perform all-round scanning and monitoring of the material surface, and the movement amplitude of the cable for communication and electrical connection between the radar body and the external circuit board is reduced, and it will not be knotted, entangled or severely bent, thereby improving the reliability and service life of the 3D scanning radar. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a cross-sectional view of the motion structure of the 3D scanning radar for material surface scanning and monitoring of the utility model (equipped with a 3D scanning radar).

[0016] Figure 2 It is a side view of the motion structure of the 3D scanning radar for material surface scanning and monitoring of the utility model (equipped with a 3D scanning radar). DETAILED DESCRIPTION

[0017] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0018] like Figure 1 and Figure 2 As shown, a motion structure of a 3D scanning radar for three-dimensional detection of the surface of an object material according to an embodiment of the utility model comprises two relatively arranged brackets 1, a rotatable rotating shaft 3 is arranged between the two brackets 1, a radar body 4 is fixedly arranged on the rotating shaft 3, and the two brackets 1 are arranged on a horizontally arranged rotating chassis 2. When the rotating chassis 2 and / or the rotating shaft 3 move, the radar body 4 performs synchronous mechanical movement to perform all-round scanning and monitoring of the material surface; a first rotating joint 5 is fixedly provided on the bracket, and a second rotating joint 10 is provided at the lower end of the rotating chassis; the communication and electrical connection between the radar body 4 and the external circuit board are realized through the first rotating joint 5 and the second rotating joint 10. When the rotating chassis 2 and / or the rotating shaft 3 move, the radar body 4 moves to perform all-round scanning and monitoring of the material surface, and the movement amplitude of the cable for communication and electrical connection between the radar body 4 and the external circuit board is reduced, and it will not be knotted, entangled or severely bent, thereby improving the reliability and service life of the 3D scanning radar.

[0019] In some embodiments, the bracket 1 is an L-shaped bracket. Preferably, two brackets are arranged relatively on the rotating chassis 2, and the bottom of the L-shaped bracket is detachably fixedly connected to the rotating chassis 2 by bolts and is arranged on both sides of the center of the rotating chassis 2.

[0020] Among them, a hollow structure 22 can be formed on the bracket to reduce the weight of the bracket and thus reduce the weight of the scanning radar. The hollow structure can be any available shape. The hollow structures of the two brackets 1 can be consistent and symmetrical, or inconsistent and asymmetrical, as long as they do not affect the supporting function and use function of the support.

[0021] In some embodiments, the bracket 1 can be integrally injection molded, that is, the whole is plastic, and a certain amount of glass fiber can be filled in the plastic to increase the performance of the bracket. The bracket 1 is a thin plate structure. The bracket 1 can be integrally injection molded with the rotating chassis, or connected together after separate injection molding. The structure with shaft holes on the bracket 1 on both sides is used to place the rotating shaft that drives the radar body 4 to rotate or turn.

[0022] In some embodiments, the first bracket of the bracket 1 (located at Figure 1 The bracket 1 on the right is the first bracket) and is equipped with a bracket connected to one end of the rotating shaft 3 ( Figure 1 The first synchronous pulley 9 is connected to the first bracket (the right side end shown in the figure), and the first synchronous pulley is connected to the second synchronous pulley 7 on the driving shaft of the first drive motor 8 arranged on the first bracket through the first synchronous belt 6. Through the use of the first synchronous pulley 9 and the first synchronous belt 6, the rotating shaft 3 can be controlled to perform synchronous mechanical rotation under the action of the first drive motor 8, so as to control the radar body 4 to perform synchronous mechanical rotation synchronously with the rotating shaft 3. Among them, the first drive motor 8 can be arranged on the first bracket, and its output shaft extends out of the hole of the first bracket, and is connected to the first synchronous belt 6 on the outer side of the first bracket through the first synchronous pulley 9 thereon. The second synchronous pulley 7 is arranged on the outer side of the first bracket, above the first synchronous pulley 9. In addition, the first drive motor 8 can also be fixedly arranged on the rotating chassis 2.

[0023] In some embodiments, the first rotation joint 5 is mounted on the second bracket (located at Figure 1The bracket 1 on the left is the second bracket), and the first cable 16 connected to the first circuit board 15 connected or configured to the radar body 4 is communicated and electrically connected with the second cable 17 connected to the second circuit board 18 controlling the radar body 4 through the first rotating joint 5, that is, the first circuit board 15 is connected to the first cable 16, and the second cable 17 is connected to the second circuit board 18. The first cable 16 and the second cable 17 are respectively connected to the stator end and the rotor end of the first rotating joint 5 to realize corresponding signal transmission and power supply. When the first circuit board 15 connected or configured to the radar body 4 moves, the communication and electrical cables (that is, the first cable 16 and the second cable 17) between the first circuit board 15 and the second circuit board 18 are connected through the first rotating joint 5, and there will be no knotting, entanglement and severe bending, which reduces the movement amplitude of the first cable 16 and the second cable 17, and improves the reliability and service life of the 3D scanning radar.

[0024] In some embodiments, the first circuit board 15 is connected to the rotor end of the first rotary joint 5 through a first cable 16, and the stator end of the first rotary joint 5 is connected to the second circuit board 18 through a second cable 17, so that when the radar body 4 moves in the pitch direction, the communication and electrical cables between the first circuit board 15 and the second circuit board 18 will not be knotted, entangled or severely bent. The second circuit board 18 is also used to control the rotation of the first drive motor 8, and the second circuit board 18 and the first drive motor 8 have no relative movement.

[0025] In some embodiments, the second circuit board 18 is connected to the third circuit board 20 via the second rotary joint 10 , the second rotary joint 10 is connected to the second circuit board 18 via a third cable, and is connected to the third circuit board 20 via a fourth cable 19 .

[0026] In some embodiments, a second driving motor 11 is arranged on the rotating chassis 2 to drive the rotating chassis 2 to rotate.

[0027] In some embodiments, the third synchronous pulley 12 on the output shaft of the second drive motor 11 is connected to the fourth synchronous pulley 14 arranged at the center of the rotating chassis 2 through the second synchronous belt 13. The third synchronous pulley 12 on the output shaft of the second drive motor 11 is connected to one end of the fourth synchronous pulley 14 arranged at the center of the rotating chassis 2 through the second synchronous belt 13, so that the rotating chassis 2 and the second drive motor 11 can be controlled to rotate synchronously.

[0028] In some embodiments, a support plate 21 is arranged at the bottom of the rotating chassis 2, and the support plate 21 has no mechanism movement. The other end of the fourth synchronous pulley 14 is arranged on the support plate 21. When the second drive motor 11 rotates, the rotating chassis 2 rotates synchronously with the second drive motor 11, and through the setting of the second rotating joint 10, when the rotating chassis 2 moves, the communication and electrical cables between the second circuit board 18 and the third circuit board 20 will not be knotted, entangled or severely bent, so that the cables used to transmit communication signals and power signals are not disturbed by rotation, thereby ensuring the effective transmission of control, measurement signals, and power signals, reducing the movement amplitude of the cables, and improving the reliability and service life of the 3D scanning radar.

[0029] In some embodiments, the second rotating joint 10 is arranged vertically on the rotating chassis 2 inside or outside the fourth synchronous pulley 14, and the rotating chassis 2 is provided with a through hole, at least for the cable to pass through, and the electrical and communication between the second circuit board 18 and the third circuit board 20 are realized through the second rotating joint 10, wherein the second circuit board 18 is arranged on the side of the second bracket, and the third circuit board is arranged below the rotating chassis 2, and has no relative movement with the support plate 21.

[0030] Furthermore, the rotor end of the second rotary joint 10 is away from the support plate 21, the second circuit board 18 is connected to the rotor end of the second rotary joint 10 through a third cable, and the stator end of the second rotary joint 10 is connected to the third circuit board 20 through a fourth cable, so that when the rotating chassis moves, the communication and electrical cables between the second circuit board 18 and the third circuit board 20 will not be knotted, entangled or severely bent, thereby reducing the movement amplitude of the cables and improving the reliability and service life of the 3D scanning radar.

[0031] In the present application, the axis of the rotating shaft 3 is parallel to the rotating chassis 2. When the rotating shaft 3 rotates, the radar body 4 and the rotating shaft 3 perform synchronous mechanical movement and rotation in the first direction; the bracket 1 is perpendicular to the rotating chassis 2, so when the rotating chassis 2 moves, the rotating chassis 2, the bracket 1, and the radar body 4 perform synchronous mechanical movement in the second direction.

[0032] In the present application, the third circuit board 20 is used to receive external power supply and convert it into the working voltage required by other circuit boards, and at least transmit the data detected by the radar body 4 to the outside; the second circuit board 18 is a main control circuit, on which a main control chip, such as ARM, CPU, etc., is provided, which is used to control the first circuit board 15 to transmit signals, and receive the reflected signals transmitted by the first circuit board 15, calculate the object level each time, and also control the first drive motor 8 and the second drive motor 11 to work, and obtain the real-time angle information of the radar body 4. The first circuit board 15 is installed on the radar body 4, receives the control signal of the second circuit board 18, generates a transmitting signal and receives a reflected signal.

[0033] In the present application, the radar body 4 can be any scanning radar for material monitoring available in the prior art, including microwave radar, laser radar, etc. The first rotary joint 5 and the second rotary joint 10 have the same or different structures, and can be implemented by using existing rotary slip rings, etc.

[0034] The motion structure of the 3D scanning radar for three-dimensional detection of material surfaces of the utility model can enable the radar body to move to perform all-round scanning and monitoring of the material surface when the rotating chassis and / or the rotating axis move. At the same time, the cables for communication and electrical connection between the radar body and the external circuit board will not be knotted, entangled or severely bent through the first rotating joint and the second rotating joint, thereby reducing the cable movement amplitude and improving the reliability and service life of the 3D scanning radar.

[0035] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model.

[0036] Therefore, no matter from which point of view, the embodiments should be regarded as illustrative and non-restrictive, and the scope of the present invention is limited by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

[0037] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. The motion structure of the 3D scanning radar for three-dimensional detection of the material surface is characterized by: The invention comprises two brackets arranged opposite to each other, a rotatable rotating shaft is arranged between the two brackets, a radar body is fixedly arranged on the rotating shaft, and the two brackets are fixedly arranged on a rotatable rotating chassis; a first rotating joint is fixedly provided on the bracket, and a second rotating joint is provided at the lower end of the rotating chassis, and communication and electrical connection between the radar body and the external circuit board are realized through the first rotating joint and the second rotating joint. When the rotating chassis and / or the rotating shaft moves, the radar body performs synchronous mechanical movement to perform all-round scanning and monitoring of the material surface, and the cables for communication and electrical connection between the radar body and the external circuit board will not be knotted, entangled or bent.

2. The motion structure of the 3D scanning radar for three-dimensional detection of material surface according to claim 1 is characterized in that: The bracket includes a first bracket and a second bracket, and a first synchronous pulley connected to one end of the rotating shaft is installed on the first bracket. The first synchronous pulley is connected to a second synchronous pulley on the driving shaft of the first driving motor through a first synchronous belt, so that the first driving motor drives the rotating shaft to perform synchronous mechanical motion.

3. The motion structure of the 3D scanning radar for three-dimensional detection of material surface according to claim 2 is characterized in that: The other end of the rotating shaft is provided with the first rotating joint, which is fixed on the second bracket. The first rotating joint is used to communicate and electrically connect the first circuit board on the radar body with the second circuit board that controls the radar body.

4. The motion structure of the 3D scanning radar for three-dimensional detection of material surface according to claim 3 is characterized in that: The first circuit board is connected to the rotor end of the first rotating joint through a first cable, and the stator end of the first rotating joint is connected to the second circuit board through a second cable, so that when the radar body moves, the communication and electrical cables between the first circuit board and the second circuit board will not be knotted, entangled or bent.

5. The motion structure of the 3D scanning radar for three-dimensional detection of material surface according to claim 4 is characterized in that: A second driving motor is arranged on the rotating chassis to drive the rotating chassis to rotate horizontally.

6. The motion structure of the 3D scanning radar for three-dimensional detection of material surface according to claim 5, characterized in that: The third synchronous pulley on the output shaft of the second driving motor is drivingly connected to a fourth synchronous pulley fixed at the center of the rotating chassis through a second synchronous belt.

7. The motion structure of the 3D scanning radar for three-dimensional detection of material surface according to claim 6, characterized in that: A support plate is arranged below the rotating chassis, the support plate has no mechanical movement, and the fourth synchronous pulley is arranged on the support plate.

8. The motion structure of the 3D scanning radar for three-dimensional detection of material surface according to claim 7, characterized in that: The second rotating joint is arranged perpendicular to the rotating chassis inside or outside the fourth synchronous pulley, and the rotating chassis is provided with a through hole, at least for the cable to pass through, and the electrical and communication between the second circuit board and the third circuit board are realized through the second rotating joint, wherein the second circuit board is arranged on the side of the second bracket, and the third circuit board is arranged below the rotating chassis and has no relative movement with the support plate.

9. The motion structure of the 3D scanning radar for three-dimensional detection of material surface according to claim 8, characterized in that: The rotor end of the second rotating joint is away from the supporting plate, the second circuit board is connected to the rotor end of the second rotating joint through a third cable, and the stator end of the second rotating joint is connected to the third circuit board through a fourth cable, so that when the rotating chassis moves, the communication and electrical cables between the second circuit board and the third circuit board will not be knotted, entangled or bent.

10. The motion structure of the 3D scanning radar for three-dimensional detection of material surface according to claim 1, characterized in that: The axis of the rotating shaft is parallel to the rotating chassis. When the rotating shaft rotates, the radar body and the rotating shaft perform synchronous mechanical movement and rotation in a first direction; the bracket is perpendicular to the rotating chassis. When the rotating chassis moves, the rotating chassis, the bracket and the radar body perform synchronous mechanical movement in a second direction.

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