Rotating device for sonar equipment and holder comprising same

Abstract

The utility model provides a rotating device for sonar equipment and a cradle head comprising the same, the rotating device comprises an outer frame and a rotating disc rotatably arranged in the outer frame, the rotating disc is used for installing the sonar equipment, and when the rotating disc rotates relative to the outer frame, the rotating disc can drive the sonar equipment to rotate, so that the scanning range of the sonar equipment is enlarged, and the reliability of the sonar equipment is improved. And the target searching efficiency of the sonar equipment is improved. Besides, a slideway line is arranged between the peripheral surface of the turntable and the inner wall surface of the outer frame, extends in the circumferential direction of the turntable and can guide the turntable to smoothly rotate relative to the outer frame, and meanwhile, the axial positions of the turntable and the outer frame are locked, so that the turntable and the frame body are prevented from being axially separated; therefore, the rotating device is stable and reliable when the transverse overturning angle of the sonar equipment is adjusted. A window is arranged on the annular channel where the slideway line penetrates, two holes are formed in the two opposite inner side walls of the window, and the two ends of the slideway line are inserted into the annular channel through the two holes respectively. The slideway line is not exposed and is not easy to fall off, and the device is attractive in overall appearance and stable in performance.

Description

Technical Field

[0001] This utility model relates to the field of underwater sonar technology, and in particular to a rotating device for sonar equipment and a gimbal containing the same. Background Technology

[0002] Underwater sonar is a technology that uses the properties of sound waves to propagate underwater to detect, locate, and sense underwater objects. It is widely used in fields such as marine research, military, marine engineering, underwater navigation, and communication.

[0003] Sonar equipment emits sound wave signals through a transmitter. The sound waves propagate in the water. If they encounter an obstacle (such as another object or the seabed), some of the sound waves will be reflected back. The receiver of the sonar (usually a hydrophone) captures the reflected sound waves, i.e., the echo. By analyzing the intensity, time delay, and frequency changes of the echo, the distance, direction, size, and shape of the object can be determined.

[0004] However, the vertical opening angle of the field of view of two-dimensional image sonar equipment is generally no more than 20 degrees, and the scanning range is small, which results in the low efficiency of sonar equipment in searching for targets. Utility Model Content

[0005] This application provides a rotating device for sonar equipment and a gimbal containing the same, thereby solving the technical problem of low efficiency in target searching by sonar equipment in the prior art.

[0006] To solve the above-mentioned technical problems, in a first aspect, embodiments of this application provide a rotating device for a sonar device, including an outer frame and a turntable rotatably disposed within the outer frame. The turntable is used to mount the sonar device, and when the turntable rotates relative to the outer frame, it can drive the sonar device to rotate.

[0007] A slide rail is provided between the outer peripheral surface of the turntable and the inner wall surface of the outer frame. The slide rail extends along the circumference of the turntable and guides the turntable to rotate relative to the outer frame, thereby locking the axial position of the turntable and the outer frame.

[0008] Furthermore, a first slide rail groove is provided on the outer circumferential surface of the turntable, and a second slide rail groove is provided on the inner wall surface of the outer frame. The first slide rail groove and the second slide rail groove are interlocked to form an annular channel.

[0009] The slide rail is installed inside the annular channel.

[0010] Furthermore, the diameter of the slide rail line is greater than the outer diameter of the turntable and less than the outer diameter of the second slide rail annular groove on the outer frame.

[0011] Furthermore, the outer frame has a window that communicates with the annular channel. The annular channel has a first hole and a second hole formed on the two inner sidewalls opposite to the window, through which the two ends of the slide line can be inserted into the annular channel.

[0012] Furthermore, the outer wall of the slide rail is smooth.

[0013] Furthermore, the cross-section of the slide rail is circular.

[0014] Furthermore, the slide rail line is made of polytetrafluoroethylene or nylon.

[0015] Furthermore, the turntable is fixedly connected to a rotating shaft, and the rotating shaft is connected to a driving device. The driving device drives the rotating shaft to rotate, and the rotating shaft drives the turntable to rotate relative to the outer frame.

[0016] Furthermore, the shaft is hollow inside, and both the front and rear ends of the shaft are provided with end caps.

[0017] Furthermore, the turntable has a first mounting port for mounting sonar equipment and a second mounting port for mounting the rotating shaft on its end face;

[0018] The outer frame includes a frame body and a gantry connected to the frame body, and the drive device is fixed on the gantry.

[0019] Secondly, embodiments of this application provide a gimbal, including a sonar device and the aforementioned rotating device, wherein the sonar device is fixed on the turntable.

[0020] One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages:

[0021] (1) This application provides a rotating device for a sonar device. The rotating device can drive the sonar device to rotate and change the lateral flip angle of the sonar device, so that the sonar device can work at different lateral flip angles, thereby improving the scanning range of the sonar device and thus improving the efficiency of the sonar device in searching for targets.

[0022] (2) The rotating device provided in this application includes an outer frame and a turntable rotatably disposed in the outer frame. A slide line is provided between the outer frame and the turntable. The slide line guides the turntable to rotate smoothly relative to the frame. At the same time, the slide line can limit the axial displacement of the turntable and the frame, and prevent the turntable and the frame from separating axially, so as to ensure that the rotating device can adjust the lateral flip angle of the sonar equipment in a stable and reliable manner.

[0023] (3) In this embodiment, a first slide rail groove is provided on the outer circumferential surface of the turntable, and a second slide rail groove is provided on the inner wall surface of the frame. The first and second slide rail grooves are aligned to form an annular channel for inserting the slide rail line. A window is provided on the annular channel, and two holes are formed on the two inner sidewalls opposite to the window. One end of the slide rail line is inserted into the annular channel through one hole, and the other end is inserted into the annular channel through the other hole. The slide rail line will not be exposed and is not easy to fall off. The device is aesthetically pleasing and has stable performance. Attached Figure Description

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0025] Figure 1 This is a schematic diagram of the gimbal structure in one embodiment of the present invention;

[0026] Figure 2 This is a schematic diagram of the rotating device in one embodiment of the present invention;

[0027] Figure 3 This is an exploded view of the rotating device in one embodiment of the present invention;

[0028] Figure 4 This is a schematic diagram of the structure of the slide rail line in one embodiment of the present invention;

[0029] Figure 5 for Figure 3 A magnified view of the structure at point B in the middle;

[0030] Figure 6 for Figure 2 A magnified view of the structure at center A;

[0031] Figure 7 This is a front view of the rotating device in one embodiment of the present invention;

[0032] Figure 8 for Figure 7 Sectional view along the DD direction;

[0033] Figure 9 for Figure 8 Enlarged view at point C;

[0034] Figure 10 This is a front view of the gimbal in one state during the rotation of the rotating device in one embodiment of the present invention;

[0035] Figure 11 for Figure 10 Axonometric view of the gimbal in the indicated state;

[0036] Figure 12 This is a front view of the gimbal in another state during the rotation of the rotating device in one embodiment of the present invention;

[0037] Figure 13 for Figure 12 Axonometric view of the gimbal in the indicated state;

[0038] Figure 14 This is a front view of the gimbal in another state during the rotation of the rotating device in one embodiment of the present invention;

[0039] Figure 15 for Figure 14 The isometric view of the gimbal in the indicated state. Detailed Implementation

[0040] This application provides a rotating device for sonar equipment and a gimbal containing the same, thereby solving the technical problem of low efficiency in target searching by sonar equipment in the prior art.

[0041] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0042] like Figures 1 to 3 As shown, one or more embodiments of this application provide a gimbal for detecting, locating, and sensing underwater targets. It includes a rotating device 100 and a sonar device 200 mounted on the rotating device 100. The rotating device 100 can drive the sonar device 200 to rotate, thereby changing the lateral tilt angle of the sonar device 200, allowing the sonar device 200 to rotate at different lateral tilt angles (i.e., at...). Figure 1 Under the working condition shown, it works within the rotation angle in the vertical plane, such as... Figures 10-15 As shown, this is to increase the scanning range of the sonar device 200, thereby improving the efficiency of the sonar device 200 in searching for targets. In addition, the pan-tilt unit is also equipped with cables for communication connections with external devices.

[0043] like Figure 1 , 2 As shown in Figure 3, the aforementioned rotating device 100 includes an outer frame 120 and a turntable 110 rotatably disposed within the outer frame 120. The outer frame 120 can be used to connect other external components (such as connecting rods). The sonar device 200 is disposed on the turntable 110. Thus, when the turntable 110 rotates relative to the outer frame 120, it can drive the sonar device 200 to rotate synchronously, thereby adjusting the lateral flip angle of the sonar device 200, increasing the scanning range of the sonar device 200, and thus improving work efficiency.

[0044] like Figures 1 to 3 As shown, the turntable 110 is a circular disc. The end face of the turntable 110 is provided with a first mounting port 113 for mounting the sonar device 200 and a second mounting port 112 for mounting the rotating shaft 300. The outer circumferential surface of the turntable 110 is provided with a first slide groove 111 extending along the circumference of the turntable 110.

[0045] like Figures 1 to 3 As shown, the outer frame 120 includes a frame body 121 that can be coaxially fitted around the turntable 110 and a gantry 122 connected to one end of the frame body 121. The frame body 121 is annular, and its inner diameter is slightly larger than the outer diameter of the turntable 110 to allow the turntable 110 to rotate within the frame body 121. A second slide rail groove 123 extending circumferentially along the inner wall of the frame body 121 is provided. The first slide rail groove 111 and the second slide rail groove 123 can be aligned internally and externally when the turntable 110 is assembled into the frame body 121 to form an annular channel for the slide rail line 130 to pass through. Additionally, the gantry 122 can be used to connect external components.

[0046] like Figures 1 to 5 As shown, the frame 121 has a window 124 that communicates with the annular channel. Thus, the annular channel forms a first hole and a second hole 125 on its two inner sidewalls opposite the window 124, allowing a slide rail 130 to be inserted into the annular channel through the window 124. Specifically, the first end of the slide rail 130 is first inserted into the annular channel through the first hole, and the slide rail 130 is pushed forward. Figure 4 As shown; then the second end of the slide rail 130 is inserted into the annular channel through the second hole 125, and the second end of the slide rail 130 can be pushed into the annular channel until it approaches or contacts the first end of the slide rail 130. The slide rail 130 forms an annular shape or an annular portion in the annular channel, thereby preventing the slide rail 130 from exiting the annular channel during the rotation of the turntable 110, as shown. Figure 3 , 6 As shown. Of course, the appropriate length of the slide line 130 can be pre-cut according to the circumference of the annular channel.

[0047] If only one hole is provided at the window 124, the end of the slide rail 130 will protrude outside the window, which is unsightly and prone to slippage. In this embodiment, a first hole and a second hole 125 are formed on the two opposite inner sidewalls of the window 124, respectively. The first end of the slide rail 130 is inserted into the annular channel through the first hole, and the second end of the slide rail 130 is inserted into the annular channel through the second hole 125. The slide rail will not be exposed and is not easily detached; the device is aesthetically pleasing and has stable performance.

[0048] like Figure 3 , 4 As shown, the slide rail 130 extends within the annular channel, forming a guide rail that guides the turntable 110 to rotate relative to the frame 121. The slide rail 130 has a smooth outer wall and a circular cross-section, which effectively reduces frictional resistance, making the rotation of the turntable 110 relative to the frame 121 smoother. Furthermore, the slide rail 130 itself has high strength, and its diameter is larger than the outer diameter of the turntable 110 but smaller than the outer diameter of the second slide rail groove 123. That is, the slide rail 130 is embedded between the first slide rail groove 111 and the second slide rail groove 123, and has a gap with the annular channel. Thus, the slide rail 130 allows the turntable 110 to rotate relative to the frame 121 while restricting the axial displacement of the turntable 110 and the frame 121, thereby preventing the turntable 110 and the frame 121 from separating axially. Figures 7-9 As shown.

[0049] For example, the slide rail 130 can be made of polytetrafluoroethylene or nylon, or other materials with smooth outer walls and high strength, which are not limited here.

[0050] It should be noted that, since the slide rail 130 has high strength and is extremely hard, and its diameter is slightly larger than the outer diameter of the turntable 110, if the slide rail 130 is pre-wound in the first slide rail annular groove 111 or the second slide rail annular groove 123, the turntable 110 and the outer frame 120 cannot be assembled. Therefore, the present application embodiment adopts an assembly method of assembling the turntable 110 and the outer frame 120 first, and then inserting the slide rail 130, which can reduce the overall assembly difficulty and improve efficiency.

[0051] Furthermore, such as Figures 2-6 As shown, after the window 124 passes through the slide line 130, it can be sealed by pasting sealing tape, setting a sealing cover, or other means.

[0052] like Figure 1 , 15 As shown, the front end of the rotating shaft 300 is fixedly inserted into the second mounting port 112, and the rear end of the rotating shaft 300 extends towards the middle of the gantry 122 and is fixedly connected to the output shaft of the servo motor. The servo motor can be fixed to the gantry 122. Thus, after the servo motor is activated, its output shaft rotates, driving the rotating shaft 300 to rotate. The rotating shaft 300 drives the turntable 110 to rotate synchronously, and the turntable 110 drives the sonar device 200 on it to rotate, thereby adjusting the lateral tilt angle of the sonar device 200. Sometimes the sonar device needs to rotate 90 degrees laterally; thus, one full rotation laterally greatly increases the scanning range. Figures 10-15 As shown. Of course, other drive devices besides servos can also be used to drive the rotating shaft 300 to rotate, and this is not a limitation.

[0053] Furthermore, the rotating shaft 300 is hollow inside, and both the front and rear ends of the rotating shaft 300 are provided with end caps 310. In this way, the overall weight of the rotating device can be reduced, and other equipment can also be installed. For example, a camera exposed at the front end of the end cap 310 can be installed inside the rotating shaft 300.

[0054] It should be understood that although quantifiers such as "first," "second," etc., may be used herein to describe various units, these units should not be limited by these terms. These terms are used merely to distinguish one unit from another. For example, without departing from the scope of the exemplary embodiments, a first unit may be referred to as a second unit, and similarly, a second unit may be referred to as a first unit.

[0055] The directional terms such as "outer," "middle," and "inner" mentioned or potentially used in this specification are defined relative to the structures shown in the accompanying drawings. They are relative concepts and may therefore vary depending on their location and usage. Therefore, these or other directional terms should not be interpreted as restrictive.

[0056] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, an indirect connection through an intermediate medium, or the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0057] Furthermore, the terms “comprising” and “having”, and any variations thereof, are intended to cover non-exclusive inclusion, such that a process, method, system, product, or apparatus that includes a series of steps or units is not necessarily limited to those steps or units that are explicitly listed, but may include other steps or units that are not explicitly listed or that are inherent to such process, method, product, or apparatus.

[0058] The above description is merely a preferred embodiment of this application and is not intended to limit this application in any form or substance. It should be noted that those skilled in the art can make various improvements and additions without departing from the method of this application, and these improvements and additions should also be considered within the protection scope of this utility model. Any modifications, alterations, and equivalent changes made by those skilled in the art without departing from the spirit and scope of this application, based on the disclosed technical content, are equivalent embodiments of this application. Furthermore, any modifications, alterations, and evolutions made to the above embodiments based on the essential technology of this application still fall within the scope of the technical solution of this application.

Claims

1. A rotating device for a sonar equipment, characterized in that, It includes an outer frame (120) and a turntable (110) rotatably disposed within the outer frame (120). The turntable (110) is used to mount the sonar device. When the turntable (110) rotates relative to the outer frame (120), it can drive the sonar device (200) to rotate. A slide rail (130) is provided between the outer peripheral surface of the turntable (110) and the inner wall surface of the outer frame (120). The slide rail (130) extends along the circumference of the turntable (110) and guides the turntable (110) to rotate relative to the outer frame (120) and locks the axial position of the turntable (110) and the outer frame (120).

2. The rotating device for a sonar device as described in claim 1, characterized in that, The turntable (110) has a first slide rail groove (111) on its outer circumferential surface, and the outer frame (120) has a second slide rail groove (123) on its inner wall surface. The first slide rail groove (111) and the second slide rail groove (123) are interlocked to form an annular channel. The slide rail (130) is installed inside the annular channel.

3. The rotating device for a sonar device as described in claim 2, characterized in that, The diameter of the slide rail (130) is greater than the outer diameter of the turntable (110) and smaller than the outer diameter of the second slide rail annular groove (123) on the outer frame (120).

4. The rotating device for a sonar device as described in claim 2, characterized in that, The outer frame (120) has a window (124) that communicates with the annular channel. The annular channel has a first hole and a second hole (125) formed on the two inner sidewalls opposite to the window (124). The two ends of the slide line (130) can be inserted into the annular channel through the first hole and the second hole (125).

5. The rotating device for a sonar device as described in claim 1, characterized in that, The outer wall of the slide rail (130) is smooth.

6. The rotating device for a sonar device as described in claim 1, characterized in that, The cross-section of the slide rail (130) is circular.

7. The rotating device for a sonar device as described in claim 1, characterized in that, The slide rail (130) is made of polytetrafluoroethylene or nylon.

8. The rotating device for a sonar device as described in claim 1, characterized in that, The turntable (110) is fixedly connected to a rotating shaft (300), and the rotating shaft (300) is connected to a driving device. The driving device drives the rotating shaft (300) to rotate, and the rotating shaft (300) drives the turntable (110) to rotate relative to the outer frame (120).

9. A rotating device for a sonar equipment as described in claim 8, characterized in that, The shaft (300) is hollow inside, and both the front and rear ends of the shaft (300) are provided with end caps (310).

10. A gimbal, characterized in that, It includes a sonar device (200) and a rotating device as described in any one of claims 1 to 9, wherein the sonar device (200) is fixed on the turntable (110) of the rotating device.

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