Silencing pool for acoustic metering

Abstract

The utility model discloses an anechoic pool for acoustic metering, which belongs to the technical field of anechoic pools, and comprises a pool, supports are arranged on the inner wall of the pool, each support comprises two side plates and a plurality of transverse rods, a plurality of transmission shafts are rotatably connected between the two side plates, and the transverse rods are arranged on the side plates. Wherein one side of one side plate is rotatably connected with a worm, one end of the worm is fixedly provided with a handle, the outer side of the worm is in meshed connection with a worm gear, one end of a rotating shaft of the worm gear is coaxially and fixedly connected with one end of a transmission shaft, and one side of the support is provided with a plurality of silencing assemblies. According to the utility model, the silencing plate can be quickly dismounted and mounted, and the problems that the silencing pad needs to be replaced regularly, and the silencing pad is fixed on the bracket through a screw, so that the mounting and the dismounting are very inconvenient are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of anechoic pools, and more specifically, relates to an anechoic pool for acoustic measurement. Background Art

[0002] In hydroacoustics, an anechoic pool is a particularly important experimental model. It simulates the free sound field conditions in an infinitely wide natural environment and plays an important role in the development and technical improvement of many hydroacoustic equipment. The existing anechoic pools used for acoustic metrology muffle water by setting anechoic pads on the inner wall of the pool. The anechoic pads need to be replaced regularly, and the anechoic pads are fixed to the bracket with screws, which makes installation and removal very inconvenient. Therefore, an anechoic pool for acoustic metrology is proposed. Utility Model Content

[0003] In response to the shortcomings of the existing technology, the utility model provides a silencer pool for acoustic measurement, which can quickly disassemble and install the silencer plate to solve the problem proposed in the above background technology that the silencer pad needs to be replaced regularly, and the silencer pad is fixed to the bracket by screws, which makes it inconvenient to install and disassemble.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a silencing water pool for acoustic measurement, comprising a water pool, wherein the inner wall of the water pool is provided with a bracket, wherein the bracket comprises two side panels and a plurality of cross bars, a plurality of transmission shafts are rotatably connected between the two side panels, a worm is rotatably connected to one side of one of the side panels, a handle is fixed to one end of the worm, a worm wheel is meshedly connected to the outer side of the worm, one end of the rotating shaft of the worm wheel is coaxially fixedly connected to one end of the transmission shaft, and a plurality of silencing components are provided on one side of the bracket;

[0005] The cam is fixedly mounted on a support frame, and the cam is secured to a location where the cam is secured to a location on the support frame.

[0006] As a preferred technical solution of the present invention, the multiple transmission shafts are parallel to each other.

[0007] As a preferred technical solution of the present invention, the plurality of cross bars are located between the two side panels.

[0008] As a preferred technical solution of the present invention, the position of the second installation groove corresponds to the position of the first installation groove.

[0009] As a preferred technical solution of the present invention, one end of the stopper extends to the interior of the second installation groove.

[0010] As a preferred technical solution of the present invention, one end of the positioning tube away from the muffler plate is fixedly connected to the outer side of the bracket.

[0011] As a preferred technical solution of the present invention, one end of the elastic buckle is engaged with the inner side of the slot.

[0012] The utility model provides a anechoic pool for acoustic measurement, which has the following beneficial effects:

[0013] 1. The anechoic pool used for acoustic measurement can quickly disassemble and install the anechoic plate, solving the problem that the anechoic pad needs to be replaced regularly, and the anechoic pad is fixed to the bracket with screws, which makes installation and removal very inconvenient.

[0014] 2. In the anechoic pool used for acoustic measurement, the movable rod continues to move and pushes the connecting rod outward, causing the anechoic plate to move outward, thereby forming a height difference with the surrounding anechoic plates, making it easier to pick up from the edge. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a schematic diagram of the overall structure of an anechoic pool for acoustic measurement.

[0016] Figure 2 The utility model is a schematic diagram of the cross-sectional structure of a silencing pool for acoustic measurement.

[0017] Figure 3 This utility model is a silencing pool for acoustic measurement Figure 3 A is an enlarged schematic diagram.

[0018] Figure 4 The utility model is a schematic diagram of the structure of a silencing component of a silencing pool for acoustic measurement.

[0019] Figure 5 This utility model is a silencing pool for acoustic measurement Figure 4 Enlarged schematic diagram of point B in FIG.

[0020] In the figure: 1. pool; 2. bracket; 21. side panel; 22. cross bar; 3. transmission shaft; 4. worm; 5. handle; 6. worm gear; 7. silencer assembly; 71. silencer plate; 72. positioning rod; 73. positioning cylinder; 74. connecting frame; 75. connecting cylinder; 76. first mounting slot; 77. connecting rod; 78. second mounting slot; 79. stopper; 710. elastic buckle; 711. first connecting rod; 712. second connecting rod; 713. slot; 714. movable rod. DETAILED DESCRIPTION

[0021] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0022] In the description of this utility model, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0024] See also Figures 1 to 4The utility model provides a technical solution: a silencing pool for acoustic measurement, comprising a pool 1, the inner wall of the pool 1 is provided with a bracket 2, the bracket 2 comprises two side plates 21 and a plurality of cross bars 22, a plurality of transmission shafts 3 are rotatably connected between the two side plates 21, one side of one side plate 21 is rotatably connected to a worm 4, one end of the worm 4 is fixed with a handle 5, the outer side of the worm 4 is meshed with a worm wheel 6, one end of the rotating shaft of the worm wheel 6 is coaxially fixedly connected to one end of the transmission shaft 3, the bracket 2 A plurality of silencer components 7 are provided on one side. The silencer components 7 include a silencer plate 71 provided inside the pool 1. A plurality of positioning rods 72 are fixed to the side of the silencer plate 71 close to the bracket 2. One end of the positioning rod 72 is plugged with a positioning cylinder 73. A connecting frame 74 is fixed between the plurality of positioning cylinders 73. A connecting cylinder 75 is fixed to the middle of the connecting frame 74. Two first mounting grooves 76 are provided on the inner side of the connecting cylinder 75. A connecting rod 77 is plugged into the inner side of the connecting cylinder 75. One end of the connecting rod 77 is connected to the outer side of the silencer plate 71. The side is fixedly connected, a slot 713 is provided on the outside of the connecting rod 77, and a movable rod 714 is slidably connected to the inside of the connecting cylinder 75. A second mounting slot 78 is provided on the outside of the movable rod 714. Two blocks 79 are fixed on the inside of the first mounting slot 76. An elastic buckle 710 is fixed on the inside of the second mounting slot 78. The outer side of the elastic buckle 710 is in sliding contact with one end of the block 79. One end of the movable rod 714 is rotatably connected to the first connecting rod 711. One end of the first connecting rod 711 A second connecting rod 712 is rotatably connected, one end of the second connecting rod 712 is fixedly connected to the outer side of the transmission shaft 3, multiple transmission shafts 3 are parallel to each other, multiple cross bars 22 are located between the two side plates 21, the position of the second mounting groove 78 corresponds to the position of the first mounting groove 76, one end of the stopper 79 extends into the interior of the second mounting groove 78, the end of the positioning tube 73 away from the muffler plate 71 is fixedly connected to the outer side of the bracket 2, and one end of the elastic clip 710 is engaged with the inner side of the slot 713;

[0025] When installing the silencer plate 71, the positioning rod 72 on the silencer plate 71 is inserted into the positioning cylinder 73 on the bracket 2. At the same time, the connecting rod 77 on the silencer plate 71 is inserted into the connecting cylinder 75. During this process, the connecting rod 77 pushes away the elastic buckle 710, and the elastic buckle 710 slides over the outside of the connecting rod 77 and is fixed to the card groove 713, thereby fixing the position of the silencer plate 71. When the silencer plate 71 needs to be removed, the worm 4 is rotated by the handle 5, and the worm 4 drives the worm wheel 6 and the transmission shaft 3 to rotate. The transmission shaft 3 drives the second connecting rod 712 to rotate, and the second connecting rod 712 pushes the movable rod 714 toward the inside of the connecting cylinder 75 through the first connecting rod 711. When the locking cam 713 is in the closed position, the locking cam 713 is in the closed position, and the first and second locking cams 714 are in the closed position, so that the first and second locking cams 71 are in the open position, and the first and second locking cams 71 are in the closed position, so that the first and second locking cams 71 are in the closed position, and the second and second locking cams 71 are in the closed position, so that the first and second locking cams 71 are in the closed position, and the second and second locking cams 71 are in the closed position, so that the

[0026] The specific usage and function of this embodiment: When installing the silencer plate 71, the positioning rod 72 on the silencer plate 71 is inserted into the positioning cylinder 73 on the bracket 2. At the same time, the connecting rod 77 on the silencer plate 71 is inserted into the connecting cylinder 75. During this process, the connecting rod 77 pushes the elastic buckle 710, and the elastic buckle 710 slides over the outside of the connecting rod 77 and is fixed with the card slot 713, thereby fixing the position of the silencer plate 71. When the silencer plate 71 needs to be removed, the handle 5 drives the worm 4 to rotate, the worm 4 drives the worm gear 6 and the transmission shaft 3 to rotate, and the transmission shaft 3 drives the first When the second connecting rod 712 rotates, the second connecting rod 712 pushes the movable rod 714 to move toward the inside of the connecting tube 75 through the first connecting rod 711. The movable rod 714 drives the elastic clip 710 away from the block 79. The elastic clip 710 is no longer squeezed, and thus, under the action of elastic force, it retreats to the first mounting groove 76 and separates from the clip groove 713, thereby releasing the lock of the connecting rod 77. At the same time, the movable rod 714 continues to move and pushes the connecting rod 77 to move outward, causing the silencer plate 71 to move outward, thereby forming a height difference with the surrounding silencer plates 71, making it convenient to pick up from the edge.

[0027] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A silencing water tank for acoustic measurement, comprising a water tank (1), characterized in that: The inner wall of the pool (1) is provided with a bracket (2), the bracket (2) includes two side plates (21) and a plurality of cross bars (22), a plurality of transmission shafts (3) are rotatably connected between the two side plates (21), a worm (4) is rotatably connected to one side of one of the side plates (21), a handle (5) is fixed to one end of the worm (4), a worm wheel (6) is meshedly connected to the outside of the worm (4), one end of the rotating shaft of the worm wheel (6) is coaxially fixedly connected to one end of the transmission shaft (3), and a plurality of silencer components (7) are provided on one side of the bracket (2); The muffler assembly (7) comprises a muffler plate (71) arranged inside the pool (1), a plurality of positioning rods (72) are fixed on one side of the muffler plate (71) close to the bracket (2), one end of the positioning rod (72) is plugged with a positioning cylinder (73), a connecting frame (74) is fixed between the plurality of positioning cylinders (73), a connecting cylinder (75) is fixed in the middle of the connecting frame (74), two first mounting grooves (76) are provided on the inner side of the connecting cylinder (75), a connecting rod (77) is plugged on the inner side of the connecting cylinder (75), one end of the connecting rod (77) is fixedly connected to the outer side of the muffler plate (71), and a card slot is provided on the outer side of the connecting rod (77). (713), the inner side of the connecting tube (75) is also slidably connected to a movable rod (714), the outer side of the movable rod (714) is provided with a second mounting groove (78), the inner side of the first mounting groove (76) is fixed with two blocks (79), the inner side of the second mounting groove (78) is fixed with an elastic buckle (710), the outer side of the elastic buckle (710) is in sliding contact with one end of the block (79), one end of the movable rod (714) is rotatably connected to the first connecting rod (711), one end of the first connecting rod (711) is rotatably connected to the second connecting rod (712), and one end of the second connecting rod (712) is fixedly connected to the outer side of the transmission shaft (3).

2. The anechoic pool for acoustic measurement according to claim 1, characterized in that: The plurality of transmission shafts (3) are parallel to each other.

3. The anechoic pool for acoustic measurement according to claim 1, characterized in that: The plurality of cross bars (22) are located between the two side plates (21).

4. The anechoic pool for acoustic measurement according to claim 1, characterized in that: The position of the second mounting groove (78) corresponds to the position of the first mounting groove (76).

5. The anechoic pool for acoustic measurement according to claim 1, characterized in that: One end of the stopper (79) extends to the interior of the second mounting groove (78).

6. The anechoic pool for acoustic measurement according to claim 1, characterized in that: One end of the positioning tube (73) away from the muffler plate (71) is fixedly connected to the outer side of the bracket (2).

7. The anechoic pool for acoustic measurement according to claim 1, characterized in that: One end of the elastic buckle (710) is engaged with the inner side of the slot (713).

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