Universal adjusting device for gravity center method of suspension type linear array loudspeaker box

Abstract

The utility model provides a universal adjusting device for a gravity center method of a suspension type linear array sound box, relates to the technical field of linear array sound box installation devices, and relates to a universal adjusting device for a gravity center adjusting method, which adopts a suspension type installation mode and can be horizontally adjusted and vertically adjusted. The technical problem that an existing flexible steel cable suspension type linear array loudspeaker box support cannot completely meet the requirement for a horizontal angle and a vertical elevation angle which are designed according to an on-site sound field and sound effect is solved. The rigid connecting device is composed of a duplex hoop, a gravity center suspender shaft, a horizontal angle positioning disc, an elevation angle adjusting plate, an elevation angle positioning plate, a rigid connecting frame shaped like a Chinese character'tian ', a horizontal angle positioning bolt, a sound box, a sound box connecting plate and the like, and after three-dimensional modeling is carried out through Inventor software, on the premise that the horizontal angle and the vertical elevation angle are met, the rigidity of the sound box is improved. And the overall gravity center is simulated and adjusted to the center line of the central suspender shaft, so as to determine the mounting hole positions of the elevation angle positioning plate and the matts and the mounting hole positions of the sound equipment connecting plate and the matts.

Description

TECHNICAL FIELD

[0001] The utility model relates to linear array sound box mounting device technical field, especially large indoor and outdoor, semi-outdoor venue etc. suspension type linear array sound box installation universal adjusting device. BACKGROUND

[0002] Sound box is a kind of audio output device, with the development of society, the progress of technology, the increasing improvement of people's living standards, the requirement of sound field, sound effect and sound propagation distance etc. are also higher and higher, linear array sound box is a group of radiation units arranged in a straight line, and the radiation units are closely spaced, and the linear array sound box has the same amplitude and phase, and the linear array sound box improves transmission distance by linear transmission mode, and the linear array sound box is simply referred to as "linear array sound box". Although the linear array sound box is arranged in a straight line, the horizontal angle and the vertical elevation angle of the coverage surface arrangement are different, and the horizontal direction and the vertical elevation angle need to be accurately adjusted according to the scene design, so the sound box needs to be installed on the sound box device with angle adjusting function.

[0003] At present, the suspension type linear array sound box support used in large indoor and outdoor places is basically installed in the mode of steel cable, suspension, T-shaped frame, sound box connecting plate and balance sling, and belongs to the flexible steel cable suspension mode, which completely depends on the roof truss structure and component direction of the venue, and cannot completely meet the horizontal angle and the vertical elevation angle required according to the sound field and sound effect design, so the ideal design effect cannot be achieved. SUMMARY

[0004] The utility model provides a kind of linear array sound box suspension type installation, can be horizontally adjusted, can be vertically adjusted, can meet the horizontal angle and the vertical elevation angle required by design, the universal adjusting device of gravity center adjusting method, solve the technical problem existing in the flexible steel cable suspension type linear array sound box support.

[0005] To solve the above technical problems, the utility model provides a kind of suspension type linear array sound box gravity center method universal adjusting device, and the device includes double hoop, gravity center suspender shaft, horizontal angle positioning disc, elevation angle adjusting plate, elevation angle positioning plate, rigid connection T-shaped frame, horizontal angle positioning bolt, sound box, sound box connecting plate and other components.

[0006] Double hoop, the double hoop is composed of double hoop upper cover 2 and double hoop base 3, and is suspended and installed and rigidly connected and fixed on roof truss pipe 1, the roof truss pipe 1 can be in the shape of a circular tube, a square tube or a lattice structure composed of steel structural sections, the aperture of the double hoop is consistent with the outer diameter of the roof truss pipe 1 at the suspension position, and the roof truss pipe 1 is clamped after the tightening of the fastening bolt 10.

[0007] The central hanger shaft 4 is mounted on the double-clamp base 3 and is secured by a central hanger shaft fastening nut 13 and a locking nut 11 to prevent loosening. The central hanger shaft has two functions: first, to bear the entire weight of the adjustment device and the speaker; and second, to be the central shaft for the 360° rotation of the line array speaker for horizontal angle adjustment.

[0008] The horizontal angle positioning plate 5 is integrally welded with the central hanger shaft 4 and can rotate 360° around the center of gravity of the central hanger shaft 4. After the horizontal angle of the line array speaker is adjusted to the design angle, the horizontal angle positioning bolt 13 is installed and tightened.

[0009] The elevation angle adjustment plate 6 is mounted on the central boom shaft 4 and is positioned and secured by the elevation angle adjustment plate fastening pin 14 and the elevation angle positioning plate central pin 15. The elevation angle adjustment plate 6 is designed in a fan shape with the elevation angle positioning plate central pin 15 as the center, with elevation angle adjustment holes evenly distributed around the circumference for secondary adjustment of the elevation angle, and is secured in place by the elevation angle positioning plate fastening bolts 16.

[0010] The elevation angle positioning plate 7 is mounted on the central hanger shaft 4 and the elevation angle adjustment plate 6 via a central pin 15 at its upper part, and on the grid frame 8 at its lower part, secured with grid frame fastening bolts 17. The elevation angle adjustment plate 7 is manufactured and installed according to the sound field design requirements, and can be used in conjunction with the elevation angle adjustment plate 6 for secondary elevation angle adjustment as needed on-site or as the elevation angle design changes.

[0011] The grid-shaped frame 8 is a dedicated connecting bracket for line array speakers. Its upper part is securely connected to the elevation positioning plate 7, and its lower part is connected to the speaker 19 via the speaker connecting plate 9. The grid-shaped frame 8 is a rigid connecting device, and the overall center of gravity of the line array speaker can be changed by adjusting the mounting holes on the grid-shaped frame 8.

[0012] The center of gravity method, under the premise of ensuring the horizontal angle and vertical elevation angle, changes the overall center of gravity position of the line array speaker by adjusting the mounting hole positions of the speaker connecting plate 9 and the grid frame 8 and the mounting hole positions of the elevation positioning plate 7 and the grid frame 8. This makes the center of gravity position coincide with the vertical center axis of the central hanger shaft 4, so that the double clamp only bears the vertical gravity and avoids the formation of torque due to the weight imbalance at the roof truss tube installation point, thus ensuring the overall stability of the line array speaker.

[0013] The speaker, 19, is the basic unit that constitutes a line array speaker. The number of linear arrays is determined according to the design of the sound field and sound effects. In addition to the three speakers shown in the figure of this utility model, more speakers can be linearly arrayed.

[0014] The sound box tail plate 20 is an accessory of the linear array sound box, is selectively used according to the increase of the number of the linear array sound box, and is pulled and connected with the H-shaped frame 8 by using a lock, a steel wire and a rope clamp, so that the H-shaped frame is uniformly stressed.

[0015] The utility model provides a kind of suspension linear array sound box gravity method adjusting device, one is the horizontal angle of linear array sound box is adjusted by horizontal positioning disc 5, two is the initial elevation angle after installation according to the elevation angle of design processing Elevation Angle Positioning Plate 7, and the elevation angle required on site is adjusted by Elevation Angle Adjusting Plate 6 secondly, three are adjusted by adjusting the elevation angle positioning plate 7 and the H-shaped frame 8 hole position and the sound box connecting plate 9 and the H-shaped frame mounting hole position, the gravity position of linear array sound box, it is guaranteed that the stability of overall rigid connection, also meet the design requirement of horizontal angle and elevation angle, solve the problem that the existing flexible connection linear array sound box support cannot completely meet and accurately adjust to reach the design requirement of horizontal angle and elevation angle. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 For the overall structure side view of the suspension linear array sound box gravity method universal adjusting device provided by the utility model

[0017] Figure 2 For the overall structure plan view of the suspension linear array sound box gravity method universal adjusting device provided by the utility model

[0018] Figure 3 For the three-dimensional model side view gravity position schematic view of the suspension linear array sound box gravity method universal adjusting device provided by the utility model

[0019] Figure 4 For the three-dimensional model front view gravity position schematic view of the suspension linear array sound box gravity method universal adjusting device provided by the utility model

[0020] Figure 5 For the three-dimensional model plan view gravity position schematic view of the suspension linear array sound box gravity method universal adjusting device provided by the utility model

[0021] Figure 6 For the three-dimensional model effect drawing of the suspension linear array sound box gravity method universal adjusting device provided by the utility model

[0022] Figure 7 For the on-site installation example one of the suspension linear array sound box gravity method universal adjusting device provided by the utility model

[0023] Figure 8 For the on-site installation example two of the suspension linear array sound box gravity method universal adjusting device provided by the utility model

[0024] The figure mark: 1, roof truss pipe, 2, double embrace hoop upper cover, 3, double embrace hoop base, 4, center derrick shaft, 5, horizontal angle positioning disc, 6, elevation angle adjusting plate, 7, elevation angle positioning plate, 8, field frame, 9, sound box connecting plate, 10, embrace hoop fastening bolt, 11, center derrick shaft locking nut, 12, center derrick shaft fastening nut, 13, horizontal angle positioning bolt, 14, elevation angle adjusting plate fastening pin shaft, 15, elevation angle positioning plate center pin shaft, 16, elevation angle positioning plate fastening bolt, 17, field frame fastening bolt, 18, sound box connecting plate fastening bolt 19, sound box, 20, sound box tail plate. DETAILED DESCRIPTION

[0025] The utility model is further explained in connection with the drawings and specific embodiments.

[0026] In connection with Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , wherein Figure 1 It is the structure side view of a kind of suspension type linear array sound box gravity method universal adjusting device instance provided by the utility model, to indicate suspension mode, structure composition and the position of vertical elevation angle. Figure 2 It is the structure plan view of a kind of suspension type linear array sound box gravity method universal adjusting device instance provided by the utility model, to indicate that linear array sound box rotates around center derrick shaft, adjusts the position of horizontal angle of linear array sound box. Figure 3 , Figure 4 , Figure 5 In a kind of suspension type linear array sound box gravity method universal adjusting device instance provided by the utility model, after modeling using Inventor three-dimensional modeling design software, adjust the side view, front view and plan view of the overall horizontal angle, vertical elevation angle and gravity center position of linear array sound box, to preliminarily determine the installation hole position of elevation angle positioning plate 7 and field frame 8 and sound box connecting plate 9 and field frame 8.The utility model has determined the horizontal angle, vertical elevation angle and the adjusting installation hole position of ensuring that the overall gravity center of linear array sound box and center derrick shaft 4 vertical center line coincide when three-dimensional modeling design in Inventor software, according to the design requirement of sound field, sound effect.

[0027] The utility model mostly hangs in on large -scale indoor and outdoor venue roof truss, field installation implementation mode divides three stages, first stage is with double embrace hoop base 3 as benchmark piece, install center derrick axle 4 on double embrace hoop base 3 in proper order, and tighten fastening nut and locking nut, install and fasten through elevation angle adjusting plate fastening pin axle 14 and elevation angle positioning plate center pin axle 15 on center derrick axle 4 with elevation angle adjusting plate 6 and elevation angle positioning plate 7, tighten elevation angle positioning plate fastening bolt, make it become a whole, then according to inventor software design three -dimensional model initial gravity center position installation hole site, connect with elevation angle positioning plate 8 into an organic whole with field frame fastening bolt 17 through field frame 8. Second stage is to hang the linear array sound box universal adjusting device of assembly good to roof truss pipe corresponding position, buckle double embrace hoop upper cover 2, tighten embrace hoop fastening bolt 10, as shown in Figure 7 Suspension linear array sound box gravity center method universal adjusting device field installation example one. Third stage is according to the requirement of the number of linear array sound box of sound field, sound effect design, connect the lower part of field frame 8 through sound box connecting plate 9 and sound box connecting plate fastening bolt 18 in proper order, install sound box according to longitudinal linear array form in proper order.

[0028] The above-mentioned is only the embodiment of the utility model, and does not limit the patent range of the utility model, and equivalent structure is made by the contents of the utility model specification and drawings, or directly or indirectly applied in other related technical fields, and all are included in the patent protection range of the utility model.

Claims

1. A gravity center method universal adjusting device for a suspended linear array sound box, characterized in that, The system includes components such as double-jointed clamps, a central hanger shaft, a horizontal angle positioning plate, an elevation angle adjustment plate, an elevation angle positioning plate, a rigid connecting grid frame, horizontal angle positioning bolts, a speaker box, and a speaker box connecting plate. The double-jointed clamp consists of a double-jointed clamp top cover and a double-jointed clamp base, and is suspended and rigidly fixed to the roof truss tube. The roof truss tube can be made of round tubing, square tubing, or a lattice structure composed of steel structural profiles. The diameter of the double-jointed clamp's hole matches the outer diameter of the roof truss tube at the suspension point, and it is clamped to the roof truss tube after the fastening bolts are tightened. The central hanger shaft is installed on the double-jointed clamp base and is connected to the roof truss tube by the central hanger shaft. The fastening nut and locking nut are double-layered to prevent loosening. The central suspension rod shaft is the 360° rotational central shaft for adjusting the horizontal angle of the line array speaker. The horizontal angle positioning plate, which is integrally welded with the central suspension rod shaft, can rotate 360° around the center of gravity of the central suspension rod shaft. After the horizontal angle is adjusted to the correct position, the horizontal angle positioning bolt is tightened. The elevation angle adjustment plate is installed on the central suspension rod shaft and is positioned and tightened by the elevation angle adjustment plate fastening pin and the elevation angle positioning plate central pin. The elevation angle adjustment plate is designed in a fan shape with the elevation angle positioning plate central pin as the center, and the circumference is evenly distributed with elevation angle adjustment holes for secondary adjustment of the vertical elevation angle. It is then tightened and fixed in place by the elevation angle positioning plate fastening bolt. The elevation positioning plate is mounted on the central hanger shaft and elevation adjustment plate via a central pin at its upper part, and on a grid frame at its lower part. The elevation adjustment plate is manufactured and installed according to the sound field design requirements, and can be used for secondary elevation adjustment in conjunction with the elevation adjustment plate as needed on site. The grid frame is a dedicated connecting bracket for line array speakers. The upper part is firmly connected to the elevation positioning plate, and the lower part is connected to the speaker through the speaker connecting plate. The grid frame is a rigid connecting device, and the overall center of gravity of the line array speaker can be adjusted by adjusting the mounting holes on the grid frame. The aforementioned center of gravity method involves adjusting the overall center of gravity of the line array speaker to coincide with the vertical central axis of the central suspension rod, while ensuring the horizontal and vertical elevation angles are maintained.

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