CN113175245A - Stand seat air supply static pressure box and construction method thereof - Google Patents
Stand seat air supply static pressure box and construction method thereof Download PDFInfo
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- CN113175245A CN113175245A CN202110561228.8A CN202110561228A CN113175245A CN 113175245 A CN113175245 A CN 113175245A CN 202110561228 A CN202110561228 A CN 202110561228A CN 113175245 A CN113175245 A CN 113175245A
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- 238000010276 construction Methods 0.000 title claims description 12
- 239000000725 suspension Substances 0.000 claims abstract description 34
- 239000003381 stabilizer Substances 0.000 claims description 20
- 238000010521 absorption reaction Methods 0.000 claims description 14
- 238000009413 insulation Methods 0.000 claims description 14
- 239000012784 inorganic fiber Substances 0.000 claims description 13
- 210000001503 joint Anatomy 0.000 claims description 13
- 238000005507 spraying Methods 0.000 claims description 10
- 238000005728 strengthening Methods 0.000 claims description 9
- 239000011324 bead Substances 0.000 claims description 8
- 238000004321 preservation Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 239000003351 stiffener Substances 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000003466 welding Methods 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 7
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- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
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- 239000000853 adhesive Substances 0.000 description 1
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- 238000004080 punching Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H3/00—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
- E04H3/10—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons for meetings, entertainments, or sports
- E04H3/12—Tribunes, grandstands or terraces for spectators
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/62—Accessories for chairs
- A47C7/72—Adaptations for incorporating lamps, radio sets, bars, telephones, ventilation, heating or cooling arrangements or the like
- A47C7/74—Adaptations for incorporating lamps, radio sets, bars, telephones, ventilation, heating or cooling arrangements or the like for ventilation, heating or cooling
- A47C7/742—Adaptations for incorporating lamps, radio sets, bars, telephones, ventilation, heating or cooling arrangements or the like for ventilation, heating or cooling for ventilating or cooling
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/18—Means for suspending the supporting construction
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- Building Environments (AREA)
Abstract
The application relates to a stand seat air supply static pressure box, which comprises two first concrete columns and two second concrete columns, and a first structural beam is fixedly connected between the two first concrete columns, a second structural beam is fixedly connected between the two second concrete columns, a ladder stand is fixedly connected between the first structural cross beam and the second structural cross beam, two structural oblique-folding beams are fixedly connected between the first structural cross beam and the second structural cross beam, the two structural oblique-folding beams are respectively and fixedly connected with the side walls at the two sides of the ladder stand, the opposite side walls of the two structural oblique-folding beams are respectively and fixedly connected with a suspension mechanism, the suspended ceiling mechanism is fixedly connected with a suspended ceiling mechanism, one end of the suspended ceiling mechanism is fixedly connected to the first concrete column, the other end of the suspended ceiling mechanism is fixedly connected to the second structure beam, the ladder stand is provided with an air supply outlet, and the suspended ceiling mechanism is provided with an air inlet pipe. The application has the effect of improving the tightness of the plenum box.
Description
Technical Field
The application relates to the field of ventilation equipment, in particular to a stand seat air supply static pressure box and a construction method thereof.
Background
In recent years, in order to improve the quality of life of people, a plurality of sports and cultural buildings such as gymnasiums and theaters are built in China. The buildings are generally tall and big spaces, audience areas adopt a step seat form and high personnel density, and an air conditioning system mostly adopts an air flow organization form of seat air supply. The seat air supply is a specific form of displacement ventilation, an integral air supply static pressure box is arranged below a ladder seat in the audience area, and the processed air is introduced into the air supply static pressure box through an air duct and is sent out to the audience through a seat air port, so that the air in the audience area is improved.
The static pressure case below can set up activity passageways such as sportsman's changing rooms or corridor to can set up the furred ceiling in static pressure bottom of the case portion below, and will be used for the jib upper end of fixed furred ceiling to be fixed in the stand lower surface, later pierce through static pressure bottom of the case portion with the jib, thereby it is fixed with the furred ceiling with the jib lower extreme.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: a plurality of suspended ceiling suspenders penetrate through the bottom of the static pressure box, so that the static pressure box is poor in tightness, air leakage is caused, and the air pressure of the static pressure box is insufficient.
Disclosure of Invention
In order to improve the airtightness of the static pressure box, the application provides a stand seat air supply static pressure box and a construction method thereof.
In a first aspect, the application provides a stand seat air supply static pressure box, which adopts the following technical scheme:
a stand seat air supply static pressure box comprises two first concrete columns and two second concrete columns, wherein a first structure cross beam is fixedly connected between the two first concrete columns, a second structure cross beam is fixedly connected between the two second concrete columns, a step stand is fixedly connected between the first structure cross beam and the second structure cross beam, two structure oblique-folding beams are fixedly connected between the first structure cross beam and the second structure cross beam and respectively fixedly connected to two side walls of the step stand, opposite side walls of the two structure oblique-folding beams are respectively and fixedly connected with a suspension mechanism, the suspension mechanism is fixedly connected with a ceiling mechanism, one end of the ceiling mechanism is fixedly connected to the first concrete columns, the other end of the ceiling mechanism is fixedly connected to the second structure cross beam, and the ceiling mechanism, the step stand and the structure oblique-folding beams enclose a static pressure box with an air supply space, the ladder stand is provided with an air supply outlet, and the ceiling mechanism is provided with an air inlet pipe.
Through adopting above-mentioned technical scheme, to suspend in midair on mechanism's snap-action beam, later with furred ceiling mechanism with suspend in midair the mechanism fixedly, make and suspend in midair the mechanism and can suspend the furred ceiling mechanism in midair, not only make furred ceiling mechanism and both sides structure snap-action beam and ladder stand form the static pressure case, when will building the furred ceiling in addition, need not pierce through static pressure bottom of the case with the jib, furred ceiling mechanism just can bear furred ceiling weight to the seal of static pressure case has been improved.
Optionally, the suspension mechanism includes a plurality of buried plates respectively fixedly connected to the opposite side walls of the two-structure oblique-folded beam, the buried plates are fixedly connected with the suspension rod, and the suspension mechanism is fixedly connected to the suspension rod.
Through adopting above-mentioned technical scheme, will bury the board and fix on structure oblique folding beam inner wall, later with hanging rod be fixed in bury on the board to make a plurality of hanging rods more stable pull up furred ceiling mechanism.
Optionally, furred ceiling mechanism includes fixed connection in two relative bracing pieces that suspend between the pole in midair, adjacent two a plurality of connecting rods of fixedly connected with between the bracing piece, wherein the bracing piece fixed connection who is close to first concrete column in first concrete column lateral wall, and the bracing piece fixed connection who is close to the second concrete column in second structure crossbeam, the common fixedly connected with closing plate of surface on connecting rod and the bracing piece, first structure crossbeam fixedly connected with fixed plate, fixed plate fixed connection is in the bracing piece that is close to first concrete column, the fixed plate is worn to locate to the air-supply line is fixed.
Through adopting above-mentioned technical scheme, fix two adjacent bracing pieces through the connecting rod to make a plurality of bracing pieces and hang in midair the pole and can fix into a whole, will be close to the bracing piece at ladder stand upper and lower both ends respectively with first concrete column and second structure crossbeam fixed connection simultaneously, thereby make the skeleton that bracing piece and connecting rod constitute more stable.
Optionally, the first structure beam is fixedly connected with a plurality of reinforcing rods, and the reinforcing rods are fixedly connected to the supporting rods close to the first concrete column.
Through adopting above-mentioned technical scheme, through setting up the stiffener, couple together bracing piece and first structure crossbeam, make the bracing piece can stabilize more, and can bear more weight.
Optionally, the upper surface of the closing plate is fixedly connected with a heat insulation plate.
By adopting the technical scheme, the insulation board is fixed on the sealing plate, so that the condensation on the inner surface of the static pressure box is reduced.
Optionally, the lower surface of the ladder stand is provided with an inorganic fiber spraying sound absorption layer.
By adopting the technical scheme, the inorganic fiber spraying sound absorption layer can play the roles of sound absorption, heat preservation and fireproof protection, the noise generated during the work of the static pressure box is reduced, and the static pressure box can run more safely and smoothly.
Optionally, a plurality of screw rods are worn to be equipped with by the buried plate, the screw rod is the extension piece that the round platform is described towards the one end fixedly connected with of structure joggle roof beam, it is the spiral around having the spiral strip to extend a piece outer wall, the screw rod deviates from the one end fixedly connected with butt joint board of extending the piece, butt joint board butt deviates from one side of structure joggle roof beam in the buried plate.
Through adopting above-mentioned technical scheme, can wear to locate the board of burying earlier with the screw rod to will extend a tip contact in structure inflection roof beam lateral wall, later rotate the screw rod, make the screw rod drive extend the piece and rotate to the structure inflection roof beam in, make butt joint board compress tightly in the board lateral wall of burying, thereby will bury the board and be fixed in on the structure inflection roof beam.
Optionally, the screw rod all is cavity and its both ends all are the opening setting with extending the piece, slide in screw rod and the extension piece and wear to be equipped with rather than coaxial stabilizer bar, the stabilizer bar stretches out the one end fixedly connected with that extends the piece and is coniform taper block, the one end that the stabilizer bar deviates from the taper block stretches out the butt joint board lateral wall, stabilizer bar lateral wall fixedly connected with bead, the recess that supplies the bead to slide is seted up to the screw rod inner wall, a plurality of banding strengthening ribs that are of taper block outer wall fixedly connected with are a plurality of the strengthening rib sets up along taper block circumference.
Through adopting above-mentioned technical scheme, when rotating the screw rod, because the bead is located the recess, thereby make the screw rod drive the integrative rotation of stabilizer bar, and then make the conical block can pierce in the structure kinked beam, after rotating the screw rod to the structure kinked beam in, and the butt board supports tightly in burying the board, thereby can use the hammer to strike the stabilizer bar, make the stabilizer bar drive the conical block pound into the darker position of structure kinked beam, and the conical block can be consolidated to the strengthening rib, make the conical block can stabilize more and firm, and increase the area of contact of conical block and structure kinked beam, it is fixed with structure kinked beam to make the screw rod can be more stable will bury the board.
In a second aspect, the application provides a construction method of a stand seat air supply static pressure box, which adopts the following technical scheme:
a construction method of a stand seat air supply static pressure box comprises the following steps,
s1, positioning the positions of the buried plates through measurement paying-off, and fixing the buried plates on the structural diagonal beam;
s2, fixing the upper ends of the suspension rods with the buried plate, and fixing the support rods between the two opposite suspension rods;
s3, fixing a plurality of connecting rods between two adjacent supporting rods at equal intervals, and enabling the connecting rods to be flush with the surfaces of the supporting rods;
s4, fixedly laying a closing plate on the connecting rod, flattening the surface of the closing plate, and fixing a fixing plate between the first structure beam and the supporting rod close to the first concrete column;
s5, fixing the heat-insulation plate on the closing plate through heat-insulation nails;
s6, performing sound absorption and heat preservation treatment on the corner part of the static pressure box and performing sealing treatment on the joint;
and S7, testing the wind pressure, the wind speed and the dew resistance of the static pressure box to complete acceptance.
By adopting the technical scheme, the positions of the embedded plates are determined by measuring and paying off positioning, the embedded plates are arranged at equal intervals, the embedded plates are fixed on the structural oblique-folding beam, the upper ends of the suspension rods are fixed on the side walls of the embedded plates, the support rods are fixed between the two opposite suspension rods, the connecting rods are fixed between the two adjacent support rods, the sealing plates are fixedly laid on the upper surfaces of the connecting rods, the fixing plates are fixed between the first structural cross beam and the support rods close to the first concrete columns, the static pressure box forms a closed space structure, the heat insulation plates are fixed on the sealing plates, condensation on the inner surfaces of the static pressure box is reduced, the corners and the seams of the static pressure box are sealed, sound absorption and heat insulation treatment are carried out, and finally the static pressure box is tested and accepted.
Optionally, after the connecting rods are fixed to the two adjacent supporting rods, inorganic fiber spraying sound absorption layer construction is carried out on the lower surface of the stepped grandstand.
Through adopting above-mentioned technical scheme, through the construction of carrying out inorganic fiber spraying sound absorbing layer, this sound absorbing layer has the advantage of inhaling the sound and keeping warm fire prevention.
In summary, the present application includes at least one of the following beneficial technical effects:
the suspended ceiling mechanism is directly fixed on the structure obliquely-folded beam, and then the suspended ceiling mechanism and the suspended ceiling mechanism are fixed, so that the suspended ceiling mechanism can be suspended, the suspended ceiling mechanism, the two side structure obliquely-folded beams and the ladder stand form the static pressure box, and when the suspended ceiling is to be built, the suspended ceiling mechanism can bear the weight of the suspended ceiling without penetrating the bottom of the static pressure box, so that the tightness of the static pressure box is improved.
The insulation board is fixed on the closing board, so that the dew condensation on the inner surface of the static pressure box is reduced.
Drawings
Fig. 1 is a schematic overall structure diagram of a first embodiment of the present application.
Fig. 2 is a schematic structural diagram of a suspension mechanism and a ceiling mechanism in an embodiment of the present application.
Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.
Fig. 4 is an exploded view of the bottom of the plenum box in an embodiment of the present application.
Fig. 5 is a schematic structural view of a screw in the second embodiment of the present application.
Description of reference numerals: 1. a first concrete column; 2. a second concrete column; 11. a first structural beam; 21. a second structural beam; 3. a ladder stand; 31. an air supply outlet; 4. a structural diagonal beam; 5. a suspension mechanism; 6. a ceiling mechanism; 60. an air inlet pipe; 51. burying a plate; 52. a suspension rod; 61. a support bar; 62. a connecting rod; 32. spraying an inorganic fiber sound absorption layer; 7. a closing plate; 71. heat preservation cotton; 72. a fixing plate; 73. a reinforcing bar; 8. a screw; 81. an extension block; 82. a helical strip; 83. a butt joint plate; 9. a stabilizer bar; 91. a rib; 92. a groove; 93. a conical block; 94. and (5) reinforcing ribs.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The first embodiment is as follows:
the embodiment of the application discloses a stand seat air supply static pressure box. Referring to fig. 1 and 2, a stand seat air supply static pressure box comprises two vertical first concrete columns 1 aligned with each other and two vertical second concrete columns 2 aligned with each other, wherein the first concrete columns 1 are higher than the second concrete columns 2, horizontal first structural cross beams 11 are poured between the two first concrete columns 1 and at the upper ends of the two first concrete columns, and horizontal second structural cross beams 21 are poured between the two second concrete columns 2 and at the upper ends of the two second concrete columns. Therefore, the step grandstand 3 can be poured between the first structure beam 11 and the second structure beam 21, the step grandstand 3 is formed by a plurality of vertical plates and a plurality of transverse plates which are mutually and continuously vertical, and meanwhile, a plurality of air supply openings 31 are transversely formed in the vertical plates of the step grandstand 3. Secondly, two obliquely-folded beams 4 are poured between the first structural beam 11 and the second structural beam 21, the two obliquely-folded beams 4 are poured on two sides of the ladder stand 3, the obliquely-folded beams 4 are composed of three sections, namely a horizontal section, an inclined section and a horizontal section, and the inclined section is arranged along the ladder direction of the ladder stand 3.
Referring to fig. 2, the opposite side walls of the two structural diagonal beams 4 are respectively fixed with a suspension mechanism 5, the suspension mechanism 5 is fixed with a ceiling mechanism 6, one end of the ceiling mechanism 6 is fixed on the first concrete column 1, and the other end is fixed on the second structural cross beam 21, so that the ceiling mechanism 6, the ladder stand 3 and the structural diagonal beams 4 enclose a plenum box with an air supply space, and the ceiling mechanism 6 is provided with an air inlet pipe 60.
Referring to fig. 3, the suspension mechanism 5 includes a plurality of buried plates 51 respectively fixedly connected to opposite side walls of the two structural diagonal beams 4, the plurality of buried plates 51 are equidistantly disposed along three lengths of the structural diagonal beams 4, the buried plates 51 on the two structural diagonal beams 4 are aligned one by one, and the buried plates 51 and the structural diagonal beams 4 are fixed by drilling holes on the structural diagonal beams 4 and then fixing the buried plates 51 on the structural diagonal beams 4 by using expansion screws. A vertical suspension rod 52 is welded on the side wall of the buried plate 51, and a 10# channel steel is adopted as the suspension rod 52.
Referring to fig. 2 and 3, the suspension rods 52 on the two oblique folded beams 4 are aligned in a one-to-one correspondence manner, the ceiling mechanism 6 includes a support rod 61 welded between the two corresponding suspension rods 52, and the support rod 61 is welded at the lower end of the suspension rod 52 and horizontally arranged, so that the length direction of the support rods 61 is parallel to the width direction of the ladder grandstand 3, and the support rods 61 are square steel tubes of 180 x 100 x 6. A plurality of horizontal connecting rods 62 are welded between two adjacent supporting rods 61, the connecting rods 62 are angle steel 40 x 4, the connecting rods 62 are perpendicular to the supporting rods 61, openings of the angle steel face downwards, the upper surfaces of the angle steel and the upper surface of square steel are smooth, and the connecting rods 62 are arranged along the length direction of the supporting rods 61 at intervals of 1.2 m. Wherein a bracing piece 61 near first concrete column 1 is fixed in the lateral wall of first concrete column 1 through bonding mortar, and a bracing piece 61 near second concrete column 2 is fixed in the lateral wall of second structure crossbeam 21 through bonding mortar to make bracing piece 61 and connecting rod 62 constitute steel skeleton texture.
Referring to fig. 3, an inorganic fiber spraying sound absorption layer 32 is arranged on the lower surface of the step grandstand 3, the inorganic fiber spraying is mainly composed of inorganic fibers and a water-based adhesive, the inorganic fibers are mixed and sprayed by an air pressure pump, and the inorganic fibers and atomized water are mixed and sprayed on the lower surface of the step grandstand 3 to form a coating, so that the effect of heat preservation, sound absorption and fire prevention is achieved.
Referring to fig. 2 and 4, the closing plate 7 is fixedly connected to the upper surfaces of the connecting rod 62 and the supporting rod 61 through self-tapping screws, and the closing plate 7 is made of galvanized iron, so that the surface of the closing plate 7 is flat. The heat insulation cotton 71 is fixed on the closing plate 7, the heat insulation cotton 71 adopts 475/8O0 series glass wool direct air duct plates, and the heat insulation cotton 71 is fixed on the closing plate 7 by using heat insulation nails.
Referring to fig. 2 and 4, next, the side wall of the first structural beam 11 is fixed with a vertical fixing plate 72 through an expansion screw, the fixing plate 72 is made of galvanized iron, and the lower end of the fixing plate 72 is welded on the support rod 61 fixed with the first concrete column 1. First structure crossbeam 11 lower surface is fixed with a plurality of vertical stiffeners 73 through the inflation screw, and a plurality of stiffeners 73 arrange the setting along first structure crossbeam 11's length direction equidistance, and stiffener 73 is located the one side setting that fixed plate 72 deviates from ladder stand 3, and the stiffener 73 lower extreme welds on the bracing piece 61 fixed with first concrete column 1. And secondly, the air inlet pipe 60 is welded and penetrated through the side wall of the fixing plate 72, so that an external air conditioning system can be connected with the air inlet pipe 60 to convey air into the static pressure box.
The embodiment of the application also discloses a construction method of the stand seat air supply static pressure box, which comprises the following steps: s1, setting the buried plates 51 at the same intervals to determine positions by measuring, paying off and positioning, punching holes on the side walls of the structural oblique-folded beams 4, and fixing the buried plates 51 by using expansion screws; s2, welding the upper ends of the suspension rods 52 on the side wall of the buried plate 51, wherein the suspension rods 52 are vertically arranged, and welding the horizontal support rods 61 at the positions corresponding to the lower ends of the two suspension rods 52 between the two suspension rods 52 to form a grid structure by the support rods 61; s3, welding a plurality of connecting rods 62 between two adjacent supporting rods 61 at equal intervals, arranging the connecting rods 62 perpendicular to the supporting rods 61, making the connecting rods 62 flush with the upper surfaces of the supporting rods 61, and then performing inorganic fiber spraying sound absorption layer 32 construction on the lower surface of the stepped grandstand 3; s4, fixing the closing plate 7 on the connecting rod 62 by using self-tapping screws, leveling the surface of the closing plate 7, fixing the upper end of the fixing plate 72 on the first structural beam 11 by using expansion screws, welding the lower end of the fixing plate 72 on the supporting rod 61 close to the first concrete column 1, and fixing the air inlet pipe 60 on the fixing plate 72 for delivering the externally processed air from the air inlet pipe 60 into the plenum chamber; s5, fixing the heat preservation plate on the upper surface of the closing plate 7 by using heat preservation nails to reduce the condensation on the inner surface of the static pressure box; s6, filling and sealing the corner parts of the static pressure box, performing sound absorption and heat preservation treatment, and simultaneously performing sealing treatment on each joint of the static pressure box; and S7, finally testing the wind pressure, the wind speed and the dew resistance of the static pressure box, and finally completing acceptance.
Example two:
referring to fig. 5, the present embodiment is different from the first embodiment in that: it wears to be equipped with a plurality of horizontally screw rods 8 to bury board 51 and slide, and the screw rod 8 has the extension piece 81 that is the round platform form towards the one end welding of structure kinked beam 4, extend the coaxial setting of piece 81 and screw rod 8, and the maximum diameter that extends piece 81 welds in the screw rod 8 terminal surface, it has spiral strip 82 to extend the piece 81 outer wall to be the spiral and encircle, and the screw rod 8 deviates from the one end welding of extending piece 81 and has being vertical butt board 83, thereby when wearing to locate buried board 51 with screw rod 8, can make butt board 83 can the butt in one side lateral wall that buries board 51 and deviate from structure kinked beam 4 towards one side lateral wall of structure kinked beam 4.
Referring to fig. 5, secondly screw rod 8 and extension piece 81 all are cavity and its both ends are the opening setting, slide along its axial in screw rod 8 and extension piece 81 inner chamber and wear to be equipped with and be horizontally stabilizer bar 9, and stabilizer bar 9's length is greater than screw rod 8 and the total length of extension piece 81, thereby extension piece 81 is stretched out to stabilizer bar 9's one end, the butt joint board 83 is stretched out to the other end, stabilizer bar 9 is close to the one end of butt joint board 83 and has bead 91 along its axial welding, screw rod 8 inner wall is seted up along its axial and is supplied groove 92 that bead 91 slided, and groove 92 sets up length and is greater than the length of bead 91. And the stabilizer bar 9 stretches out the one end welding of extension piece 81 open-ended and is had coniform taper block 93, and taper block 93 is coaxial with extension piece 81, and the maximum diameter of taper block 93 equals extension piece 81 minimum diameter simultaneously. The outer wall welding of awl piece 93 has three strengthening rib 94, and strengthening rib 94 is rectangular form setting, and three strengthening rib 94 is arranged along awl piece 93 circumference equidistance simultaneously.
The implementation principle of the second embodiment of the present application is as follows: before fixed buried plate 51, earlier with awl piece 93 butt in extending the piece 81 terminal surface, wear to locate buried plate 51 with screw rod 8 slides, later rotate butt joint board 83, make screw rod 8 drive extend piece 81 and awl piece 93 rotate to structure kinked beam 4 together, and make butt joint board 83 can support tightly in buried plate 51, later use the hammer to strike stabilizer bar 9 and stretch out the tip of butt joint board 83, make stabilizer bar 9 move towards the direction that is close to structure kinked beam 4 along screw rod 8 axial, thereby make stabilizer bar 9 drive awl piece 93 bore to the deeper position of structure kinked beam 4, make screw rod 8 can be more stable be fixed in on structure kinked beam 4, and then make buried plate 51 stable fixed.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a stand seat air supply static pressure case which characterized in that: comprises two first concrete columns (1) and two second concrete columns (2), wherein a first structure beam (11) is fixedly connected between the two first concrete columns (1), a second structure beam (21) is fixedly connected between the two second concrete columns (2), a ladder stand (3) is fixedly connected between the first structure beam (11) and the second structure beam (21), two structure inclined folding beams (4) are fixedly connected between the first structure beam (11) and the second structure beam (21), the two structure inclined folding beams (4) are respectively and fixedly connected with the side walls at two sides of the ladder stand (3), the opposite side walls of the structure inclined folding beams (4) are respectively and fixedly connected with a suspension mechanism (5), the suspension mechanism (5) is fixedly connected with a suspended ceiling mechanism (6), one end of the suspended ceiling mechanism (6) is fixedly connected with the first concrete columns (1), the other end of the suspended ceiling mechanism is fixedly connected with a second structure beam (21), the suspended ceiling mechanism (6), the ladder stand (3) and the structure oblique folding beam (4) enclose a static pressure box with an air supply space, the ladder stand (3) is provided with an air supply opening (31), and the suspended ceiling mechanism (6) is provided with an air inlet pipe (60).
2. The stand seat plenum box of claim 1, wherein: the suspension mechanism (5) comprises a plurality of embedded plates (51) which are respectively and fixedly connected with the opposite side walls of the two-structure oblique-folding beam (4), the embedded plates (51) are fixedly connected with suspension rods (52), and the suspended ceiling mechanism (6) is fixedly connected with the suspension rods (52).
3. The stand seat plenum box of claim 2, wherein: furred ceiling mechanism (6) are including fixed connection in bracing piece (61) between two relative suspension pole (52), adjacent two fixedly connected with a plurality of connecting rods (62) between bracing piece (61), wherein bracing piece (61) fixed connection in first concrete column (1) lateral wall near first concrete column (1), and bracing piece (61) fixed connection in second structure crossbeam (21) near second concrete column (2), the common fixedly connected with closing plate (7) of connecting rod (62) and bracing piece (61) upper surface, first structure crossbeam (11) fixedly connected with fixed plate (72), fixed plate (72) fixed connection is in bracing piece (61) near first concrete column (1), air-supply line (60) are fixed to be worn to locate fixed plate (72).
4. A stand seat plenum box as claimed in claim 3, wherein: first structure crossbeam (11) fixedly connected with a plurality of stiffener (73), stiffener (73) fixed connection is in bracing piece (61) near first concrete column (1).
5. A stand seat plenum box as claimed in claim 3, wherein: the upper surface of the closing plate (7) is fixedly connected with a heat insulation plate.
6. The stand seat plenum box of claim 1, wherein: the lower surface of the ladder stand (3) is provided with an inorganic fiber spraying sound absorption layer (32).
7. The stand seat plenum box of claim 2, wherein: a plurality of screw rods (8) are worn to be equipped with in buried plate (51), screw rod (8) are extension piece (81) that the round platform form towards the one end fixedly connected with of structure inflection roof beam (4), it has spiral strip (82) to extend piece (81) outer wall to be the spiral around, screw rod (8) deviate from one end fixedly connected with butt joint board (83) of extending piece (81), butt joint board (83) butt in buried plate (51) one side that deviates from structure inflection roof beam (4).
8. The stand seat plenum box of claim 7, wherein: screw rod (8) all are cavity and its both ends and all are the opening setting with extension piece (81), screw rod (8) and extension piece (81) internal slipping wear to be equipped with rather than coaxial stabilizer bar (9), the one end fixedly connected with that extension piece (81) is stretched out in stabilizer bar (9) is coniform awl piece (93), butt joint board (83) lateral wall is stretched out to stabilizer bar (9) one end that deviates from awl piece (93), stabilizer bar (9) lateral wall fixedly connected with bead (91), recess (92) that supply bead (91) to slide are seted up to screw rod (8) inner wall, a plurality of banding strengthening ribs (94) that are of awl piece (93) outer wall fixedly connected with are a plurality of strengthening ribs (94) that are, and are a plurality of strengthening rib (94) are along awl piece (93) circumference arrangement setting.
9. A method of constructing a plenum box for a stand seat as claimed in any one of claims 1 to 8, the method comprising: comprises the following steps of (a) carrying out,
s1, positioning the positions of the buried plates (51) through measurement paying-off, and fixing the buried plates (51) on the structural oblique folding beam (4);
s2, fixing the upper ends of the suspension rods (52) with the buried plate (51), and fixing the support rods (61) between the two opposite suspension rods (52);
s3, fixing a plurality of connecting rods (62) between two adjacent supporting rods (61) at equal intervals, and enabling the connecting rods (62) to be flush with the surfaces of the supporting rods (61);
s4, fixedly paving the closing plate (7) on the connecting rod (62), flattening the surface of the closing plate (7), and fixing the fixing plate (72) between the first structure beam (11) and the supporting rod (61) close to the first concrete column (1);
s5, fixing the heat-insulation board on the closing board (7) through heat-insulation nails;
s6, performing sound absorption and heat preservation treatment on the corner part of the static pressure box and performing sealing treatment on the joint;
and S7, testing the wind pressure, the wind speed and the dew resistance of the static pressure box to complete acceptance.
10. The construction method of the air supply static pressure box of the stand seat as claimed in claim 9, wherein: after a plurality of connecting rods (62) are fixed on two adjacent supporting rods (61), the construction of inorganic fiber spraying sound absorption layers (32) is carried out on the lower surface of the ladder stand (3).
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| CN202110561228.8A CN113175245B (en) | 2021-05-22 | 2021-05-22 | A kind of bleacher seat air supply static pressure box and its construction method |
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| CN202110561228.8A CN113175245B (en) | 2021-05-22 | 2021-05-22 | A kind of bleacher seat air supply static pressure box and its construction method |
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| CN113175245B CN113175245B (en) | 2025-02-07 |
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| CN113175245B (en) | 2025-02-07 |
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