Protective support of acoustic Doppler flow velocity profiler

Abstract

The utility model relates to the technical field of acoustic Doppler flow velocity profiler, and discloses a protection support of an acoustic Doppler flow velocity profiler, which comprises an L-shaped fixing frame fixedly arranged on a bulwark, a guide seat is arranged at the top of the L-shaped fixing frame, a cylindrical guide hole is arranged in the guide seat, and the cylindrical guide hole is communicated with the L-shaped fixing frame. Rectangular limiting notches are formed in the two sides of the cylindrical guide hole, a guide rod is inserted into the cylindrical guide hole, the cylindrical guide hole and the rectangular limiting notches are used for achieving limiting and guiding of the guide rod, and loosening and displacement in the horizontal direction of the guide rod are effectively avoided. Therefore, the operation stability of the acoustic Doppler flow velocity profiler body is improved; a servo driving mechanism and a transmission control assembly are installed on the L-shaped fixing frame, rotation control over the grooved wheel can be achieved, then height adjustment of the guide rod is achieved through friction force between the grooved wheel and the guide rod, and then automatic adjustment of the height where the acoustic Doppler flow velocity profiler body is located is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of acoustic Doppler flow profilers, in particular to a protective bracket of an acoustic Doppler flow profiler. Background Art

[0002] The Acoustic Doppler Current Profiler (ADCP) uses the acoustic Doppler principle to measure the frequency shift information of the scattered signal of the layered water medium, and uses the vector synthesis method to obtain the water velocity of the vertical profile of the ocean current, that is, the vertical profile distribution of the water current. It does not produce any disturbance to the tested flow field, and there is no mechanical inertia and mechanical wear. It can measure the three-dimensional components and absolute directions of the velocity of several layers on a profile at one time. It is a hydroacoustic flow measurement instrument. In the prior art, a walking ADCP is generally installed on the bulwark of a ship. The installation rod is usually tied to the bulwark, and then the installation rod with ADCP tied to the lower end is inserted into the sea water, and the seawater flow rate is tested by following the ship. However, the installation rod or ADCP tied with ropes is prone to loosening. Under the influence of ocean currents, the ADCP shakes violently, resulting in inaccurate test results. In addition, the lowering and lifting of the probe rod require manual operation, which is labor-intensive. In addition, the ADCP is prone to collision with the bulwark during the lifting or lowering process, causing damage to the equipment. In view of this, in-depth research was conducted on the above-mentioned problems, and this case was created. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a protective bracket for an acoustic Doppler current profiler, which solves the problems in the prior art that a mounting rod or ADCP fastened by a rope is prone to loosening, and the lowering and lifting of the probe rod require manual operation, which is labor-intensive, and the ADCP is prone to collision with the bulwark during the lifting or lowering process, causing damage to the equipment.

[0004] To achieve the above purpose, the utility model is implemented by the following technical solutions: a protective bracket of an acoustic Doppler current profiler, comprising an L-shaped fixing bracket fixedly arranged on a bulwark, a guide seat being arranged on the top of the L-shaped fixing bracket, a cylindrical guide hole being arranged in the guide seat, rectangular limiting notches being arranged on both sides of the cylindrical guide hole, a guide rod being inserted in the cylindrical guide hole, guide convex strips being fixedly arranged on both sides of the guide rod, the guide convex strips being slidably inserted in the rectangular notches, supports being symmetrically arranged on both sides of the guide rod, and the supports being rotatable. A groove wheel is installed, and a wear-resistant rubber ring is sleeved on the inner ring surface of the groove wheel. The outer end surface of the rubber ring is in close contact with the outer wall of the guide rod. A gear box is arranged on one side of the support, and a transmission control component is arranged in the gear box. The output end of the transmission control component passes through the side wall of the gear box and is assembled and connected with the central axis of the groove wheel. One end of the transmission control component is connected to a servo drive mechanism. A mounting frame is welded to the lower part of the guide rod, and a clamp-type clamping component is arranged on the mounting frame for fixing the acoustic Doppler flow profiler body. A U-shaped protective frame is arranged on the outside of the mounting frame.

[0005] The transmission control assembly comprises two fixed shafts rotatably arranged on the side wall of the gear box, the fixed shafts are provided with driven bevel gears and one end is connected to the center axis of the groove wheel, a transmission shaft is arranged in the gear box, two driving bevel gears are provided on the transmission shaft, and the driving bevel gear is meshed with the driven bevel gear.

[0006] The servo drive mechanism comprises a servo motor arranged on an L-shaped fixing frame, the output end of the servo motor is connected to a reducer, and the output end of the reducer is connected to a transmission shaft through a coupling.

[0007] The above-mentioned clamping type clamping assembly includes a semicircular support plate fixed on the side wall of the mounting frame, one end of the semicircular support plate is hinged with a semicircular buckle plate, and the semicircular buckle plate and the semicircular support plate are assembled and fixed by a bolt connector.

[0008] Flexible rubber protection strips are arranged on the inner wall surfaces of the semicircular support plate and the semicircular gusset plate.

[0009] The number of the above-mentioned clamping type clamping components is not less than two groups.

[0010] The utility model provides a protective bracket for an acoustic Doppler current profiler. The utility model has the following beneficial effects: the protective bracket for the acoustic Doppler current profiler is provided with an L-shaped fixing bracket on the bulwark, a guide seat is provided on the top of the L-shaped fixing bracket, and a cylindrical guide hole and a rectangular limiting notch are used to realize the limiting guidance of the guide rod, which effectively avoids the loosening and horizontal displacement of the guide rod, thereby improving the operation stability of the acoustic Doppler current profiler body; a servo drive mechanism and a transmission control component are installed on the L-shaped fixing bracket, which can realize the rotation control of the groove wheel, and then use the friction between the groove wheel and the guide rod to realize the height adjustment of the guide rod, thereby realizing the automatic adjustment of the height of the acoustic Doppler current profiler body, greatly improving the lowering and operation efficiency and stability; a clamping clamping component is provided on the mounting bracket for clamping the acoustic Doppler current profiler body, which can effectively improve the convenience and safety of the assembly operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The utility model is a three-dimensional structural schematic diagram of a protective bracket of an acoustic Doppler flow profiler.

[0012] Figure 2 The utility model is a schematic diagram of the partial axonometric structure of a protective bracket of an acoustic Doppler flow profiler.

[0013] Figure 3 The utility model is a schematic diagram of a top-view cross-sectional structure of a protective bracket of an acoustic Doppler flow profiler.

[0014] Figure 4 It is a schematic diagram of the three-dimensional structure of the guide seat of the utility model.

[0015] Figure 5 It is a schematic diagram of the motion state of the transmission control component when the guide rod of the utility model is lowered.

[0016] Figure 6 It is a schematic diagram of the motion state of the transmission control component when the guide rod is lifted up according to the utility model.

[0017] In the figure: 1. L-shaped fixing frame; 2. guide seat; 3. guide rod; 4. guide convex strip; 5. support; 6. groove wheel; 7. gear box; 8. mounting frame; 9. fixing shaft; 10. driven bevel gear; 11. transmission shaft; 12. driving bevel gear; 13. servo motor; 14. reducer; 15. semicircular support plate; 16. semicircular buckle plate; 17. bolt connector; 18. flexible rubber protective strip; 19. acoustic Doppler flow profiler body. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Embodiment: In conjunction with the specification Figure 1-6 It can be seen that in order to solve the problems in the prior art that the installation rod or ADCP fastened by ropes is prone to loosening, and the lowering and lifting of the probe rod require manual operation, which is labor-intensive, and the ADCP is also prone to collision with the bulwark during the lifting or lowering process, causing damage to the equipment, the present application specifically designs a protective bracket for an acoustic Doppler flow profiler, including an L-shaped fixing frame 1 fixedly arranged on the bulwark, a guide seat 2 is arranged on the top of the L-shaped fixing frame 1, a cylindrical guide hole is opened in the guide seat 2, and rectangular limit notches are opened on both sides of the cylindrical guide hole A guide rod 3 is inserted in the cylindrical guide hole, and guide convex strips 4 are fixed on both sides of the guide rod 3. The guide convex strips 4 are slidably inserted in the rectangular notch. Supports 5 are symmetrically arranged on both sides of the guide rod 3. A groove wheel 6 is rotatably installed on the support 5. The inner ring surface of the groove wheel 6 is covered with a wear-resistant rubber ring, and the outer end surface of the rubber ring is in close contact with the outer wall of the guide rod 3. A gear box 7 is arranged on one side of the support 5, and a transmission control component is arranged in the gear box 7. The output end of the transmission control component passes through the side wall of the gear box 7 and is assembled and connected with the central axis of the groove wheel 6. One end of the transmission control component is connected to a servo drive mechanism. The guide rod 3 A mounting frame 8 is welded at the lower part, and a clamp-type clamping assembly is arranged on the mounting frame 8 for clamping the acoustic Doppler current profiler body 19. A U-shaped protective frame is arranged on the outer side of the mounting frame 8, and an L-shaped fixing frame 1 is arranged on the bulwark. A guide seat 2 is arranged on the top of the L-shaped fixing frame 1. The cylindrical guide hole and the rectangular limiting notch are used to realize the limiting guidance of the guide rod 3, which effectively avoids the loosening and horizontal displacement of the guide rod 3, thereby improving the operating stability of the acoustic Doppler current profiler body 19; a servo drive mechanism and a transmission control assembly are installed on the L-shaped fixing frame 1 , the rotation control of the groove wheel 6 can be realized, and then the friction between the groove wheel 6 and the guide rod 3 can be used to adjust the height of the guide rod 3, thereby realizing the automatic adjustment of the height of the acoustic Doppler current profiler body 19, which greatly improves the lowering and operation efficiency and stability. During the lifting and lowering process, the acoustic Doppler current profiler body 19 has a small shaking amplitude and will not collide with the bulwark; a clamp-type clamping component is provided on the mounting frame 8 for clamping the acoustic Doppler current profiler body 19, which can effectively improve the convenience and safety of the assembly operation.

[0020] In the specific implementation process, as a preferred setting, the above-mentioned transmission control component includes two fixed shafts 9 rotatably arranged on the side walls of the gear box 7, the fixed shaft 9 is provided with a driven bevel gear 10 and one end is connected to the central axis of the groove wheel 6, and a transmission shaft 11 is arranged in the gear box 7, and two active bevel gears 12 are provided on the transmission shaft 11, and the active bevel gear 12 is meshed with the driven bevel gear 10; the above-mentioned servo drive mechanism includes a servo motor 13 arranged on the L-shaped fixed frame 1, and the output end of the servo motor 13 is connected to the reducer 14, and the output end of the reducer 14 is connected to the transmission shaft 11 through a coupling. When in use, the servo motor 13 and the reducer 14 cooperate to realize the directional and constant speed rotation drive of the transmission shaft 11, and then realize the adjustment of the speed and rotation direction of the groove wheel 6, so as to realize the automation of the lowering and lifting operations of the guide rod 3. Specifically, refer to the attached manual Figure 5 When the acoustic Doppler flow profiler body 19 needs to be lowered, the transmission shaft 11 is controlled to move along the adjacent Figure 5 The driving bevel gear 12 and the driven bevel gear 10 cooperate to make the two fixed shafts 9 and the groove wheel 6 rotate in the current direction shown in the figure, and then the guide rod 3 moves downward under the action of friction, thereby realizing the lowering operation of the acoustic Doppler flow profiler body 19; on the contrary, when the flow measurement operation is completed, the transmission shaft 11 is controlled to rotate in the opposite direction, as shown in FIG. Figure 6 As shown, under the action of friction, the guide rod 3 moves upward to lift the acoustic Doppler current profiler body 19 to one side of the bulwark. The action principle is consistent with the lowering process.

[0021] In the specific implementation process, as a preferred setting, the above-mentioned clamping clamping assembly includes a semicircular support plate 15 fixed on the side wall of the mounting frame 8, one end of the semicircular support plate 15 is hinged with a semicircular buckle plate 16, and the semicircular buckle plate 16 and the semicircular support plate 15 are assembled and fixed by a bolt connector 17, wherein the semicircular support plate 15 and the inner wall surface of the semicircular buckle plate 16 are provided with a flexible rubber protective strip 18; the cooperation of the semicircular support plate 15 and the semicircular buckle plate 16 can realize the acoustic Doppler flow velocity profile. The instrument body 19 can be quickly installed, and the semicircular support plate 15 and the semicircular buckle plate 16 are locked by the bolt connector 17, so that the acoustic Doppler flow profiler body 19 is locked and fixed in the form of a clamp. The structure is simple, the operation is convenient, and the acoustic Doppler flow profiler body 19 is easy to disassemble, and the repair and maintenance operations are relatively convenient. The number of clamp-type clamping components is not less than two groups, which can further improve the connection stability between the mounting frame 8 and the acoustic Doppler flow profiler body 19.

[0022] The guide rod 3 is a metal alloy tubular structure, and the center can be used for the cable of the acoustic Doppler flow profiler body 19 to pass; a limit stopper is installed on the top of the guide rod 3 to prevent the guide rod 3 from being excessively lowered.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A protective bracket for an acoustic Doppler current profiler, comprising an L-shaped fixing bracket fixedly mounted on a bulwark, characterized in that: A guide seat is provided on the top of the L-shaped fixing frame, a cylindrical guide hole is provided in the guide seat, rectangular limiting notches are provided on both sides of the cylindrical guide hole, a guide rod is inserted in the cylindrical guide hole, guide convex strips are fixed on both sides of the guide rod, and the guide convex strips are slidably inserted in the rectangular notches, and supports are symmetrically provided on both sides of the guide rod, a groove wheel is rotatably installed on the support, a wear-resistant rubber ring is sleeved on the inner annular surface of the groove wheel, and the outer end surface of the rubber ring is tightly attached to the outer wall of the guide rod, a gear box is provided on one side of the support, a transmission control component is provided in the gear box, the output end of the transmission control component passes through the side wall of the gear box and is assembled and connected with the central axis of the groove wheel, one end of the transmission control component is connected to a servo drive mechanism, a mounting frame is welded on the lower part of the guide rod, a clamp-type clamping component is provided on the mounting frame for clamping the acoustic Doppler flow profiler body, and a U-shaped protective frame is provided on the outside of the mounting frame.

2. The protective bracket of an acoustic Doppler flow profiler according to claim 1, characterized in that: The transmission control assembly includes two fixed shafts rotatably arranged on the side wall of the gear box, the fixed shafts are provided with driven bevel gears and one end is connected to the central axis of the groove wheel, a transmission shaft is arranged in the gear box, two driving bevel gears are provided on the transmission shaft, and the driving bevel gear is meshed with the driven bevel gear.

3. The protection bracket of an acoustic Doppler flow profiler according to claim 2, characterized in that: The servo drive mechanism comprises a servo motor arranged on an L-shaped fixing frame, the output end of the servo motor is connected to a reducer, and the output end of the reducer is connected to a transmission shaft through a coupling.

4. The protection bracket of an acoustic Doppler flow profiler according to claim 1, characterized in that: The clamp-type clamping assembly includes a semicircular support plate fixed on the side wall of the mounting frame, one end of the semicircular support plate is hinged with a semicircular buckle plate, and the semicircular buckle plate and the semicircular support plate are assembled and fixed by a bolt connector.

5. The protection bracket of the acoustic Doppler flow profiler according to claim 4, characterized in that: Flexible rubber protection strips are arranged on the inner wall surfaces of the semicircular supporting plate and the semicircular gusset plate.

6. The protection bracket of an acoustic Doppler flow profiler according to claim 4, characterized in that: The number of the clamp-type clamping components is no less than two groups.

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