CN211200799U

CN211200799U - Sound insulation decorative wall for photo hall

Info

Publication number: CN211200799U
Application number: CN201921794803.3U
Authority: CN
Inventors: 牛旭风; 傅潇; 娄小强
Original assignee: Xi'an Cando International Engineering Co ltd
Current assignee: Xi'an Cando International Engineering Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-08-07
Anticipated expiration: 2029-10-23

Abstract

The utility model relates to a sound-insulation decorative wall for a photosite, which comprises angle steel, I-shaped steel, a separator, a sound-insulation component and a clamping and fixing piece; the angle steels are respectively arranged on the floor and the cross beam, are arranged in two rows on the floor and the cross beam respectively, form U-shaped groove structures with upward and downward openings, and correspond to the upper and lower U-shaped groove structures; the I-shaped steel is provided with a plurality of pieces which are vertically arranged in a U-shaped groove structure formed by the angle steel in parallel and matched with the angle steel to form a frame of the wall body; the I-shaped steel comprises two wing plates and two webs, and the two wing plates are vertically fixed on two sides of the webs; the plurality of separators are arranged between two adjacent I-shaped steels; the sound insulation component comprises sound-absorbing sponge and a mineral wool sound-absorbing board; the sound-absorbing sponge is arranged between the separators; the mineral wool acoustic board is arranged on the outer side surface of the frame; the clamping pieces are arranged on the wing plates and used for fixing the mineral wool sound-absorbing board on the surface of the frame. The utility model discloses have better syllable-dividing effect, also relatively more pleasing to the eye simultaneously, have better decorative.

Description

Sound insulation decorative wall for photo hall

Technical Field

The utility model relates to a sound insulation facility, in particular to movie room sound insulation decorative wall.

Background

The sound-insulation decorative wall is used for separating different sections in occasions such as a movie hall and the like, has a sound-insulation effect and simultaneously has a decorative effect.

The sound insulation wall used in the occasions such as cinema generally selects and uses a light composite partition board, the two sides of the partition board use calcium silicate boards as panels, the middle of the partition board is filled with various polymer light aggregates such as cement, EPS particles and yellow sand to be used as a core board, the partition board is supported after strong composite treatment, and when the partition board is used for sound insulation setting, a certain amount of caulking mortar is coated on male and female falcon of the sound insulation board and then the male and female falcon are spliced.

When the partition board is used, a plurality of boards are fixed together through mortar and the like, different projection rooms can be firmly distinguished and separated, however, the sound insulation effect of the wall body is poor, the wall body is inconvenient to install, the surface of the wall body after installation is simple and crude, the wall body needs to be shielded through facilities such as a curtain, and the wall body is troublesome and not attractive.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cinema sound insulation decorative wall separates each projection room in the cinema, also more pleasing to the eye when having better syllable-dividing effect.

The technical scheme includes that the sound insulation decorative wall for the video hall comprises a plurality of angle steel, a plurality of I-shaped steel, partition pieces, sound insulation components and clamping pieces, the angle steel is arranged on a floor and a cross beam respectively and is arranged in two rows on the floor and the cross beam to form a U-shaped groove structure with an upward opening and a downward opening, the upper U-shaped groove structure and the lower U-shaped groove structure correspond to each other, the I-shaped steel is vertically arranged in the U-shaped groove structure formed by the angle steel in parallel to form a frame of the wall body in a matched mode with the angle steel, the I-shaped steel comprises two wing plates and two web plates, the two wing plates are vertically fixed on two sides of the web plates, the partition pieces are arranged between two adjacent I-shaped steel, the sound insulation components comprise sound absorption sponge and mineral wool sound absorption boards, the sound absorption sponge is arranged between the partition pieces, the mineral wool sound absorption sponge is arranged on the outer side face of the frame, the clamping pieces are arranged on the wing plates and are used for fixing the mineral wool sound absorption boards on the surface of the frame, the clamping pieces are arranged on the side faces of the wing plates along the length direction of the clamping strips, the limiting plates, the transverse edges of the clamping strips are arranged on the limiting plates, and are far away from the limiting plates, and are arranged on the lateral.

By adopting the technical scheme, when the sound insulation decorative wall is installed, the angle steel and the I-shaped steel are fixed in a threaded manner to form a frame of the wall body, then the separators are installed in the frame to divide the frame into a plurality of spaced areas, the sound absorption sponge is placed among the separators, then the mineral wool sound absorption plates are installed on two sides of the frame, firstly, the mineral wool sound absorption plates are placed on the surface of the frame, then, the clamping strips are installed on the wing plates, at the moment, the blocking edges are attached to the side plates of the limiting plates to clamp the limiting plates on the outer side surfaces of the frame, namely, the mineral wool sound absorption plates are fixed on the outer side surfaces of the frame; the frame through setting up the wall body is the steel construction spiro union, and the installation is more convenient, in addition, through setting up the outer mineral wool abatvoix that is of sound insulation assembly, has better sound absorbing effect, fixes the mineral wool abatvoix on the lateral surface of frame through the card strip, and the installation is more convenient, and the mineral wool abatvoix has better decorative effect.

The utility model discloses further set up to: a plurality of openings are uniformly arranged on the blocking edge at intervals; a plurality of openings are uniformly arranged on the side plate of the limiting plate matched with the blocking edge at intervals, and the width of each opening is the same as that of the opening on the blocking edge; when the lower side of the mineral wool sound-absorbing board is abutted to the floor, the opening on the limiting board is opposite to the opening on the blocking edge.

Through adopting above-mentioned technical scheme, when installing the frame outside with the mineral wool abatvoix, at first with the position that the card strip is fixed to the correspondence on the pterygoid lamina, fix the limiting plate to the side of mineral wool abatvoix, the position that keeps off the edge on opening on the limiting plate and the card strip is aimed at, promote the mineral wool abatvoix and advance the inboard that keeps off the edge with the limiting plate card, the mineral wool abatvoix slides down, keep off along with the limiting plate chucking, the installation finishes promptly, the installation is further simplified, and can be more simple the realization to the change of the mineral wool abatvoix in the outside, it is more convenient.

The utility model discloses further set up to: the lateral part protrusion on the side that mineral wool abatvoix and card strip pasted mutually is provided with protruding edge, and protruding edge laminating on two adjacent mineral wool abatvoix on the card strip covers in the outside of card strip.

Through adopting above-mentioned technical scheme, after on fixing the lateral surface of frame with the mineral wool abatvoix, protruding along the laminating on the mineral wool abatvoix of card strip both sides, will block the strip and cover in the inboard of mineral wool abatvoix, can not see inboard card strip from the outside, realized the better integration of wall body surface, strengthened the decorative effect of syllable-dividing decorative wall, and simultaneously, the mineral wool abatvoix covers more completely to the wall body side, has also strengthened its syllable-dividing effect to a certain extent.

The utility model discloses further set up to: the sound insulation component also comprises glass wool and sound absorption non-woven fabrics; the glass wool is provided with a plurality of pieces, is arranged on the inner side of the mineral wool sound-absorbing board and is positioned in the gaps among the clamping strips; the sound absorption non-woven fabric is clamped between the glass wool and the mineral wool sound absorption board.

By adopting the technical scheme, the glass wool can have a good sound absorption effect, sound can be further absorbed after penetrating through the mineral wool sound absorption board, the sound insulation effect of the sound insulation decoration wall is enhanced, and the glass wool has certain elasticity and is arranged between the mineral wool sound absorption board and the frame, so that the possible collision between the mineral wool sound absorption board and a steel frame can be reduced, and the damage condition of the mineral wool sound absorption board is reduced; through the sound non-woven fabrics of inhaling that sets up can prevent that the tiny fibre on the glass cotton from dropping out, maintains the cleanness of surrounding environment.

The utility model discloses further set up as the separator includes locating plate and division board, the cross section of locating plate is L shape, and the level sets up on the web, is provided with two locating plates on the same height between two I-steel, and the division board sets up on two locating plates of same height between two I-steel, the sponge of inhaling the sound sets up between the division board.

Through adopting above-mentioned technical scheme, the separator spiro union is fixed to the I-steel on, the installation of completion separator that can be quick, and operation process is more simple and convenient, easily dismantles and installs.

The utility model discloses further set up to: the sound insulation decorative wall further comprises a positioning piece, wherein the positioning piece is arranged on the outer side of the sound absorption sponge and used for limiting the position and the state of the sound absorption sponge.

Through adopting above-mentioned technical scheme, adopt the setting element to carry out certain fixed to inhaling the sound sponge, can reduce and inhale the phenomenon that the sound sponge appears soft collapsing, make and inhale the sound sponge and keep the shape that adds in the frame, fill up the region separated wherein, keep better syllable-dividing effect.

The utility model discloses further set up to: the positioning piece comprises a positioning column, a clamping plate, a fastening bolt and a steel wire rope; a plurality of positioning columns are arranged on two side surfaces of the partition plate, which are attached to the wing plates, at intervals; the clamping plate and the positioning column are arranged on the same side face, and the clamping plate on the lower side of the partition plate corresponds to the positioning column on the upper side of the partition plate; the fastening bolt is arranged on the clamping plate, and the clamping plate is fixed on the partition plate through screwing; the upper end of the steel wire rope is fixed around the positioning column, and the lower end of the steel wire rope is clamped between the clamping plate and the partition plate.

Through adopting above-mentioned technical scheme, adopt wire rope to fix to inhaling the sound sponge, fix wire rope's upper and lower both ends, to inhaling the sound sponge and pressing from both sides in the centre, can not cause to shelter from to inhaling the surface of sound sponge, keep inhaling the better attraction characteristic of sound sponge, maintain the shape of inhaling the sound sponge, the condition of soft collapsing is difficult to appear.

The utility model discloses further set up to: a clamping groove is formed in the outer side face of the positioning column in an encircling mode.

Through adopting above-mentioned technical scheme, when fixing wire rope to the reference column, block wire rope to the draw-in groove in, can prevent that wire rope from appearing sliding on the reference column, wire rope's fixed more firm.

The utility model discloses further set up to: and a vertical positioning groove is formed in the side surface, which is attached to the clamping plate and the separating plate.

Through adopting above-mentioned technical scheme, when pressing from both sides tightly the wire rope to the lower extreme, in the wire rope chucking constant head tank, press from both sides the cardboard tightly through fastening bolt, wire rope inlays in the constant head tank commentaries on classics, is difficult to appear sliding, and is more firm to wire rope's fixed, wire rope is difficult to follow the cardboard slippage and comes out.

To sum up, the utility model discloses following beneficial effect has:

1. through the arrangement of the clamping piece, when the outermost mineral wool sound-absorbing board is installed, the clamping strip is fixed on the wing plate at first, then the mineral wool sound-absorbing board is clamped into the retaining edge through the limiting plate, the mineral wool sound-absorbing board is fixed, meanwhile, the convex edge is convexly arranged on the side surface of the mineral wool sound-absorbing board, the clamping strip is covered by the convex edges of the two mineral wool sound-absorbing boards on the two sides of the clamping strip in a sticking mode, the outer side of the wall body can be well integrated, and the sound-insulating wall sound-absorbing board has a good sound-insulating effect and a good decorative effect;

2. the main body frame of the wall body is formed by screwing steel members, so that the mounting is convenient, the damage to an indoor original bottom plate and the wall body is less, and the sound insulation decorative wall can be easily dismounted and mounted;

3. the sound-absorbing sponge inside the frame is fixed by the positioning piece, so that the condition that the sound-insulating effect of the sound-insulating wall is reduced due to the fact that the sound-absorbing sponge collapses can be reduced, and the sound-insulating effect of the sound-insulating wall is more stable.

Drawings

FIG. 1 is a schematic view of a sound-deadening decorative wall;

FIG. 2 is intended to show a divider;

FIG. 3 is a schematic view showing the inner structure of the soundproof decorative wall;

FIG. 4 is an enlarged schematic view of portion A of FIG. 3;

FIG. 5 is an exploded view of the card member;

fig. 6 is an enlarged schematic view of a portion B in fig. 5.

In the figure, 1, angle steel; 2. i-shaped steel; 21. a wing plate; 22. a web; 3. a separator; 31. positioning a plate; 32. a partition plate; 4. sound-absorbing sponge; 5. glass wool; 6. sound-absorbing non-woven fabric; 7. a mineral wool acoustic panel; 71. a convex edge; 8. a clamping and fixing piece; 81. clamping the strip; 811. blocking edges; 82. a limiting plate; 9. a positioning member; 91. a positioning column; 911. a card slot; 92. clamping a plate; 921. positioning a groove; 93. fastening a bolt; 94. a steel cord.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Examples

Referring to fig. 1 and 2, the sound insulation wall for the cinema comprises angle steel 1, I-shaped steel 2 and a partition 3; wherein the angle steel 1 and the I-shaped steel 2 are connected together to form a frame which is used as a main body frame of the sound insulation wall; the partitions 3 are arranged between the formed frames, dividing the frames into a plurality of smaller sections; still including the subassembly that gives sound insulation, the subassembly that gives sound insulation sets up in each region that the separator 3 divide into and the outside of the frame that angle steel 1 and I-steel 2 are constituteed, realizes sound-insulated syllable-dividing function.

Referring to fig. 1 and 2, the number of the angle steels 1 is four, and the angle steels 1 are respectively arranged on a floor and a cross beam, wherein two angle steels 1 are fixed on the floor, the two angle steels 1 are arranged in parallel, and the two angle steels 1 form a U-shaped groove structure with an upward opening; the other two angle steels 1 are arranged on the cross beam in parallel to form a U-shaped groove structure with a downward opening, and the positions of the U-shaped groove structure correspond to those of the two angle steels 1 on the floor; the I-shaped steel 2 is provided with a plurality of strips which are vertically arranged among the four angle steels 1 in parallel, the upper end and the lower end of the I-shaped steel 2 are respectively arranged in a notch of a U-shaped groove formed by the angle steels 1, and the I-shaped steel 2 comprises wing plates 21 and web plates 22; the two wing plates 21 are arranged on two opposite side surfaces in the length direction of the web plate 22, and the two wing plates 21 are perpendicular to the web plate 22; the I-shaped steel 2 is arranged between the angle steels 1, the upper end and the lower end of the wing plate 21 are attached to the surfaces of the side plates of the angle steels 1, and bolts are arranged at the attachment positions of the wing plate 21 and the surface of the angle steel 1 to fix the I-shaped steel 2 of the angle steel 1; the plurality of I-shaped steel 2 are vertically and evenly distributed at intervals to form a fence-shaped frame.

Referring to fig. 2, the separating members 3 are arranged in the gaps between the i-beams 2, a plurality of separating members 3 are uniformly arranged between every two adjacent i-beams 2 at intervals up and down to divide the h-beams into a plurality of spaced areas, each separating member 3 comprises a positioning plate 31 and a partition plate 32, the cross section of each positioning plate 31 is L-shaped, one side surface of each positioning plate 31 is attached to the web plate 22, the positioning plates 31 are horizontally arranged and fixed on the web plate 22 through bolts, two positioning plates 31 are arranged between every two i-beams 2 at the same height, and the partition plates 32 are arranged on the two positioning plates 31 at the same height and fixed through bolts.

Referring to fig. 5 and 6, the sound insulation assembly comprises a sound-absorbing sponge 4, glass wool 5, a sound-absorbing non-woven fabric 6 and a mineral wool sound-absorbing plate 7; the sound-absorbing sponge 4 is of a rectangular block structure, a plurality of sound-absorbing sponges 4 are respectively arranged on the partition plates 32, the size of each sound-absorbing sponge 4 is matched with that of each area separated by the partition pieces 3, and after the sound-absorbing sponges 4 are arranged in each area, a solid wall surface is formed by the sound-absorbing sponges and the whole frame; the glass wool 5 is of a plate-shaped structure, and a plurality of pieces of glass wool 5 cover the surface of the frame; the sound absorption non-woven fabric 6 is arranged on the outer side surface of the glass wool 5; the mineral wool sound-absorbing boards 7 are arranged on the outer side of the sound-absorbing non-woven fabric 6; referring to fig. 5, the utility model discloses still be provided with card firmware 8, card firmware 8 sets up on pterygoid lamina 21 for press from both sides tight the fixing on the frame with mineral wool abatvoix 7, press from both sides the fixing with inboard glass wool 5 and sound absorption non-woven fabrics 6 simultaneously.

Referring to fig. 5, the fastening member 8 includes a fastening strip 81 and a stopper plate 82, the fastening strip 81 is disposed at a central position of an outer side surface of the wing plate 21 along a length direction of the i-steel 2 and fixed to the wing plate 21 by bolts, the stopper strips 81 are respectively provided with a protruding edge 811 at edges far from the wing plate 21 on two opposite side surfaces in the length direction of the fastening strip 81, the protruding edges 811 are uniformly provided with a plurality of openings at intervals in the length direction, the width of the openings is equal to the distance between two adjacent openings, the stopper plate 82 is disposed on a side surface of the mineral wool sound-absorbing plate 7 close to the fastening strip 81, the cross section of the stopper plate 82 is L, one side plate is fixed to a side surface of the mineral wool sound-absorbing plate 7, the other side plate is provided with a plurality of openings at intervals in the length direction, the width of the openings is equal to the distance between two adjacent openings, the width of the opening on the stopper plate 82 is equal to the width of the opening on the stopper strip 811, the opening on the stopper plate 82, the width of the mineral wool sound-absorbing plate 7 is adapted to the distance between the two adjacent fastening strips 81, when the mineral wool sound-absorbing plate 82 is mounted, the mineral wool sound-absorbing plate, the opening is aligned with the opening on the stopper strip 811, the side surface of the mineral wool sound-absorbing plate 82, the outer side surface of the stopper strip 81, the mineral wool sound-absorbing plate 81, the outer surface of the adjacent mineral wool sound-absorbing plate 81, the adjacent mineral wool sound-absorbing plate is pushed to stick to the surface.

When carrying out the installation of this sound-insulating wall, at first fix angle steel 1 on floor and crossbeam, then fix many I-steel 2 between angle steel 1 respectively, it is fixed with it through the bolt, then fix the position of the correspondence on web 22 with a plurality of locating plates 31, fix division board 32 on two corresponding locating plates 31 again, will inhale sound sponge 4 and place each division board 32 on, then paste glass wool 5 and sound absorption non-woven fabrics 6 on two sides of frame in proper order, then fix card strip 81 to pterygoid lamina 21 on, will fix mineral wool abatvoix 7 to the surface of wall body through keeping off along 811 with limiting plate 82 chucking.

This sound-proof wall passes through angle steel 1 and 2 rigid couplings of I-steel and forms a frame, then arrange sound-proof material on this frame, realize the sound-proof function, compare in using partition plate etc. to pile up the sound-proof wall that forms, this sound-proof wall is more convenient when installing, the damage ratio that causes to facilities around in the cinema etc. is less, through setting up multilayer sound-proof material on the inside of frame and the side of two directions, the even surface that covers at whole wall body of sound-proof material, the sound insulation effect that plays is also better, install outer mineral wool abatvoix 7 through card firmware 8, but the better wholeness of wall body lateral surface is guaranteed, it is more pleasing to the eye, better decorative has.

When the sound insulation wall is installed, because the coverage area of each sound absorption sponge 4 is large, the material is soft, and the phenomenon of soft collapse is easy to occur, therefore, referring to fig. 3 and 4, the utility model is provided with a positioning piece 9; fixing the sound-absorbing sponge 4 placed in each section to prevent the sound-absorbing sponge from collapsing; the positioning piece 9 comprises a positioning column 91, a clamping plate 92, a fastening bolt 93 and a steel wire rope 94; a plurality of positioning columns 91 are fixed on two side surfaces of the partition plate 32, which are attached to the wing plates 21, and a plurality of positioning columns 91 are arranged on the side surfaces of the partition plate 32 at intervals along the length direction; the clamping plate 92 is arranged on the side surface of the partition plate 32 and is arranged on the same side surface as the positioning column 91, and the clamping plate 92 on the lower partition plate 32 corresponds to the positioning column 91 on the upper partition plate 32; the steel wire rope 94 is arranged between the positioning column 91 and the clamping plate 92 and used for positioning the sound absorption sponge 4, a clamping groove 911 is formed in the outer peripheral surface of the positioning column 91, and when the steel wire rope 94 is connected, the steel wire rope 94 is embedded in the clamping groove 911; a vertical positioning groove 921 is formed in the side face, which is attached to the partition plate 32, of the clamping plate 92, the fastening bolt 93 is arranged on the clamping plate 92, the clamping plate 92 is fixed to the partition plate 92, when the steel wire rope 94 is installed, the steel wire rope 94 is embedded into the positioning groove 921 from one side of the clamping plate 92, the fastening bolt 93 is screwed, and the steel wire rope 94 is clamped and fixed; the positioning column 91 on the uppermost side is arranged on the side plate of the angle iron 1 on the upper side, and the clamping plate and the fastening bolt on the lowermost side are arranged on the side plate of the angle iron 1 on the floor.

Through setting up setting element 9, can fix placing on division board 32 and inhale sound sponge 4, can prevent to inhale the condition that sound sponge 4 appears collapsing, inhale the position of sound sponge 4 in the sound-proof wall and confirm, be difficult to appear changing the circumstances such as, consequently sound-proof effect of sound-proof wall is better also more stable, is difficult to appear because inhale the condition that sound sponge 4 collapses and make the sound-proof effect worsen.

The embodiment of this embodiment is the utility model discloses preferred embodiment is not according to this restriction the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A sound insulation decorative wall for a video hall is characterized by comprising angle steel (1), I-shaped steel (2), separators (3), a sound insulation assembly and a clamping piece (8), wherein the angle steel (1) is provided with a plurality of strips which are respectively arranged on a floor and a cross beam in two rows to form a U-shaped groove structure with upward and downward openings, the upper and lower U-shaped groove structures correspond to each other, the I-shaped steel (2) is provided with a plurality of strips which are vertically arranged in the U-shaped groove structure formed by the angle steel (1) in parallel to each other and matched with the angle steel (1) to form a frame of a wall body, the I-shaped steel (2) comprises wing plates (21) and web plates (22), the two wing plates (21) are vertically fixed on two sides of the web plates (22), the separators (3) are provided with a plurality of separators (2) and arranged between two adjacent I-shaped steel (2), the sound insulation assembly comprises a sponge sound absorption plate (4) and a mineral wool sound absorption plate (7), the sponge (4) is arranged between the mineral wool sound absorption plate (3), the mineral wool plate (7) is arranged on the outer side surface of the mineral wool board (81), the clamping piece (81) is arranged along the transverse direction of the limiting plate (21), and the mineral wool plate (81), and the mineral wool plate (21) is embedded on the limiting plate (81), and the mineral wool plate (21) and the mineral plate (81), and the mineral plate (21) is arranged along the limiting plate (82) and the mineral plate (21) and the mineral plate (81) and the mineral plate (21) and the mineral plate (81.

2. A sound-insulating decorative wall for a photostudio according to claim 1, wherein: a plurality of openings are uniformly arranged on the blocking edge (811) at intervals; a plurality of openings are uniformly arranged on the side plate of the limiting plate (82) matched with the blocking edge (811) at intervals, and the width of each opening is the same as that of the opening on the blocking edge (811); when the lower side of the mineral wool sound-absorbing board (7) is abutted to the floor, the opening on the limiting board (82) is opposite to the opening on the blocking edge (811).

3. A sound-insulating decorative wall for a photographic hall as claimed in claim 2, wherein: the mineral wool sound-absorbing boards (7) are provided with convex edges (71) in a protruding mode on the outer side portions of the side faces, attached to the clamping strips (81), of the mineral wool sound-absorbing boards (7), the convex edges (71) on the two adjacent mineral wool sound-absorbing boards on the clamping strips (81) are attached to the clamping strips and cover the outer sides of the clamping strips (81).

4. A sound-insulating decorative wall for a photostudio according to claim 1, wherein: the sound insulation component also comprises glass wool (5) and sound absorption non-woven fabric (6); the glass wool (5) is provided with a plurality of pieces, is arranged on the inner side of the mineral wool sound-absorbing board (7) and is positioned in a gap between the clamping strips (81); the sound absorption non-woven fabric (6) is clamped between the glass wool (5) and the mineral wool sound absorption board (7).

5. The sound insulation decorative wall for the photography hall according to claim 1, wherein the partition (3) comprises a positioning plate (31) and a partition plate (32), the cross section of the positioning plate (31) is L-shaped, the positioning plate is horizontally arranged on the web plate (22), the two positioning plates (31) are arranged between the two I-shaped steels (2) at the same height, the partition plate (32) is arranged on the two positioning plates (31) between the two I-shaped steels (2) at the same height, and the sound absorption sponge (4) is arranged between the partition plates (32).

6. A sound-insulating decorative wall for a photographic hall as claimed in claim 5, wherein: the sound insulation decorative wall further comprises a positioning piece (9), wherein the positioning piece (9) is arranged on the outer side of the sound absorption sponge (4) and used for limiting the position and the state of the sound absorption sponge (4).

7. A sound-insulating decorative wall for a photographic hall as claimed in claim 6, wherein: the positioning piece (9) comprises a positioning column (91), a clamping plate (92), a fastening bolt (93) and a steel wire rope (94); a plurality of positioning columns (91) are arranged on two side faces, attached to the wing plates (21), of the partition plate (32) at intervals; the clamping plate (92) and the positioning column (91) are arranged on the same side surface, and the clamping plate (92) on the lower side of the partition plate (32) corresponds to the positioning column (91) on the upper side of the partition plate (32); the fastening bolt (93) is arranged on the clamping plate (92), and the clamping plate (92) is fixed on the partition plate (32) through screwing; the upper end of the steel wire rope (94) is wound on the positioning column (91) for fixing, and the lower end of the steel wire rope is clamped between the clamping plate (92) and the partition plate (32).

8. A sound-insulating decorative wall for a photographic hall as claimed in claim 7, wherein: a clamping groove (911) is formed in the outer side face of the positioning column (91) in an encircling mode.

9. A sound-insulating decorative wall for a photographic hall as claimed in claim 7, wherein: and a vertical positioning groove (921) is formed in the side surface of the clamping plate (92) which is attached to the partition plate (32).