CN112901042A - Ultra-large electrically driven sound insulation door structure of wind tunnel anechoic chamber - Google Patents
Ultra-large electrically driven sound insulation door structure of wind tunnel anechoic chamber Download PDFInfo
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- CN112901042A CN112901042A CN202110198100.XA CN202110198100A CN112901042A CN 112901042 A CN112901042 A CN 112901042A CN 202110198100 A CN202110198100 A CN 202110198100A CN 112901042 A CN112901042 A CN 112901042A
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- 238000009413 insulation Methods 0.000 title claims abstract description 92
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 45
- 239000010959 steel Substances 0.000 claims abstract description 45
- 238000007789 sealing Methods 0.000 claims description 107
- 238000011144 upstream manufacturing Methods 0.000 claims description 35
- 230000007246 mechanism Effects 0.000 claims description 25
- 238000003825 pressing Methods 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 15
- 239000011490 mineral wool Substances 0.000 claims description 13
- 229910000838 Al alloy Inorganic materials 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- 229920000742 Cotton Polymers 0.000 claims description 10
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 210000002268 wool Anatomy 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 3
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- 238000012360 testing method Methods 0.000 abstract description 6
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- 238000012544 monitoring process Methods 0.000 description 4
- 230000030279 gene silencing Effects 0.000 description 3
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Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/20—Doors, windows, or like closures for special purposes; Border constructions therefor for insulation against noise
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/08—Locks or fastenings for special use for sliding wings
- E05B65/087—Locks or fastenings for special use for sliding wings the bolts sliding parallel to the wings
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
- E05F15/616—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms
- E05F15/624—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms using friction wheels
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
- E06B3/42—Sliding wings; Details of frames with respect to guiding
- E06B3/46—Horizontally-sliding wings
- E06B3/4636—Horizontally-sliding wings for doors
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Application of doors, windows, wings or fittings thereof for buildings or parts thereof characterised by the type of wing
- E05Y2900/132—Doors
Abstract
The invention relates to an ultra-large electrically driven sound insulation door structure of a wind tunnel anechoic chamber, which comprises: the door frame (civil engineering structure), the door body assembly, the door body floorbar, electric drive assembly and the sealed assembly of crack sound insulation, door body assembly fixed mounting is on the door body floorbar, a set of electric drive assembly is all installed to the both sides at the gate traffic direction of door body floorbar, fixed mounting has the sealed assembly of crack sound insulation on the door frame, door body floorbar respectively is equipped with a transport tank including the multisection box roof beam that welds with the steel sheet and box roof beam both sides, door body assembly forms main body frame by door body main column and the mutual fixed connection of door body main beam, constitute little sash through fixedly connected with door body auxiliary column and door body auxiliary beam between the main body frame that door body main column and door body main beam formed. The ultra-large sound insulation gate related to the invention can meet the test performance requirements of large aircraft on pneumatics and acoustics in a anechoic chamber when closed, and can meet the passing requirements of large test equipment and large aircraft when the gate is opened.
Description
Technical Field
The invention relates to the field of sound insulation doors, in particular to an ultra-large electrically-driven sound insulation door structure of a wind tunnel anechoic chamber.
Background
The existing soundproof door of the anechoic chamber is mostly in the specification below 10m, the ultra-large soundproof door is limited by factors such as processing technology, installation conditions, soundproof sealing and precision requirements, the national soundproof door products of the anechoic chamber with the grade of more than 15m are almost not produced, particularly, the wind tunnel anechoic chamber is parked in the room, the ground test of the pneumatic and acoustic performances of large aircrafts (such as large domestic airliners, military aircraft, rockets and the like) is required, but the specification of the existing anechoic door causes certain limitation on the test of the pneumatic and acoustic performances of the aircrafts.
The existing large-scale sound insulation door mostly adopts a door body structure scheme of field safety, if the parking hall measured in a silencing room or outside the silencing room is used for integral field safety, due to the obstruction of a silencing room wall body and a civil pillar of the parking hall, the length and the size of the door body are larger than the opening width of the civil pillar structure, and the door body can not be placed in a narrow space with the width of 1650 mm. Even if made in blocks, hoisting the blocks into the elongated space is extremely difficult due to building structure load-bearing limitations. If the welding is carried out on the whole in-situ in a narrow space, the welding deformation can hardly be controlled when the welding is carried out on the vertical surface with the width of 26m and the height of 20 m. The technical scheme of manufacturing the steel structure module in a factory in a blocking mode and assembling on site can be considered. The welding deformation of the module can be controlled sufficiently, but the technical difficulties that the on-site hoisting is difficult and the module needs to be subjected to a large amount of precise cutting processing to ensure the on-site assembly precision still exist.
Disclosure of Invention
The invention aims to provide an ultra-large electrically driven sound insulation door structure of a wind tunnel anechoic chamber parking chamber, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an ultra-large electrically driven sound insulation door structure of a wind tunnel anechoic chamber resident chamber, the size of which is 27000mm multiplied by 19250mm multiplied by 1400mm (W multiplied by H multiplied by T), the total weight of which is 120T, comprises: the door frame, the door body assembly, the door body floorbar, the electric drive assembly, the door body sound insulation structure assembly, locking mechanism assembly and the sealed assembly of crack sound insulation, door body assembly fixed mounting is on the door body floorbar, a set of electric drive assembly is all installed to the both sides of door body floorbar, fixed mounting has the sealed assembly of crack sound insulation on the door frame, door body floorbar includes the multisection formula box roof beam that welds with the steel sheet, every section box roof beam both sides respectively are equipped with a lesson of transport tank, door body assembly is by door body main column and the fixed connection formation main body frame of door body main beam mutually, door body main column and door body main beam form between the main body frame through fixedly connected with door body auxiliary column and door body auxiliary beam constitution muntin. By adopting the structure, the door body bottom beam can be easily placed on the long and narrow space ground for assembly. On the basis, the upper door body assembly is built on the mounting surface of the box beam by adopting the aluminum profiles, and the standard profiles are sequentially spliced and formed by adopting the connecting pieces, so that the technical difficulties of welding deformation, difficult hoisting of heavy parts and the like caused by field welding are avoided; a door body sound insulation structure is quickly and conveniently installed in a sash formed by a door body assembly in a socket mode, pneumatic load and acoustic performance are met, the weight of the door body can be controlled within 120t, and load of a driving system is greatly reduced. When the gate runs to a closed state, a gate seam on the periphery of the door body forms good sealing of sound absorption and insulation, the locking mechanism on the top of the door body acts after the gate is closed in place, and the pin shaft on the top is inserted into the pin groove to lock and position the gate. Preferably, the transport small tank is fixedly arranged on two sides below the box-shaped beam through a small tank pressure rod pre-pressing disc spring and a small tank pressure cover, and a small tank thread sleeve is further arranged at the top end of the small tank pressure rod. The pressure lever of the small tank can be adjusted up and down through the threaded sleeve of the small tank, so that the gap between the small tank and the box-shaped beam can be adjusted and transported, and each box-shaped beam is ensured to be on the same horizontal plane.
Preferably, a steel sleeve is embedded in the door body main upright post, a cross reinforcing steel plate is installed on the outer side of the door body main upright post and clamped oppositely through a stud nut connecting piece, and each door body main upright post at the connecting node of the bottom of the door body assembly and the door body bottom beam is reinforced and fixed through a steel corner piece. The double-end stud nut connecting piece is clamped oppositely to form a 'steel-aluminum-steel' reinforced structure, so that the advantages of light weight and flatness brought by the aluminum alloy section structure of the door body assembly are maintained, and the problem of weak structure at the aluminum alloy butt joint is solved.
Preferably, a door body sound insulation structure assembly is further installed in the door body assembly, and the door body main body sound insulation structure sequentially comprises a first panel, an air layer, a first sound insulation steel plate, a first rock wool plate, a first sound insulation steel plate, an air layer, a perforated plate, a second rock wool plate, a second sound insulation steel plate, an air layer and a second panel from the inside to the outside of the sound insulation chamber.
Preferably, the first panel, the first sound insulation steel plate, the first rock wool plate and the first sound insulation steel plate form a front sound insulation module, the perforated plate, the second rock wool plate, the second sound insulation steel plate and the second panel form a back sound insulation module, and the two modules are inserted into T-shaped grooves of standard aluminum profiles of the door body main column, the door body main cross beam, the door body auxiliary column and the door body auxiliary beam in a socket installation mode and are connected through T-shaped screw connecting pieces. Therefore, the acoustic performance of the door body is ensured, the workload of installation of the door body is greatly reduced, and the later maintenance is facilitated. The panel of the positive and negative both sides of the door body is connected with the standard aluminum profile through the T-shaped screw connecting piece to enable the door body to form a whole, the sound insulation quantity of the composite structure can be larger than 50dB, the sound insulation board is additionally arranged on the inner side (close to the center of the door body) of the standard aluminum profile in order to ensure that the sound insulation quantity of the aluminum profile is equal to that of the door body main body at the position of the standard aluminum profile, the composite structure is the same as the panel installation form, and the T-shaped screw connecting piece is connected with the standard aluminum profile to ensure that the sound insulation quantity at the position of.
Preferably, each group of electric drive assemblies is respectively provided with 2 driving motors matched with a speed reducer to form driving travelling mechanisms, the driving motors and the speed reducers are vertically assembled into a whole and then are installed on a driving wheel box, an output shaft of each speed reducer is connected with a driving wheel through a group of transmission gear groups with the ratio of 1:1, a set of pressing mechanism is further arranged above the two groups of travelling mechanisms respectively, each pressing mechanism comprises a prepressing motor, a stop block, a pressing rod, a force transmission seat and a linear guide rail, the prepressing motors are installed on the stop blocks, the pressing rods are acted by the prepressing motors to press downwards on the force transmission seats, the force transmission seats are connected with a door body bottom beam through the linear guide rails, and the linear guide. The linear guide rail guides the pressing mechanism to provide enough pressing force for the driving wheel to vertically downwards, and meanwhile, the pressing mechanism can adapt to the fluctuant ground when the gate operates.
Preferably, the top of the door body assembly is further provided with a locking mechanism, the locking mechanism comprises a mounting seat, a lifter and a pin shaft, the mounting seat is mounted at the top of the door body assembly, the lifter is mounted on the mounting seat, an electric push rod of the lifter is connected with the pin shaft, 2 pin sleeves are further mounted on the pin shaft, a roller push rod type limit switch is further mounted at the tail end of the pin shaft, and a pin groove matched with the pin shaft is further formed in the door frame. When the limit switch is triggered by the locking pin slot inclined plane, a trigger signal is simultaneously sent to the wind tunnel control system for field monitoring, and electric push rods of all elevators are triggered to stop working; when a door opening signal is sent, the pin shaft of the locking device is firstly pulled out, after the limit switches are triggered by the upper limit collision blocks, the trigger signals are simultaneously sent to the wind tunnel control system for field monitoring, and the electric push rods of all the elevators are triggered to stop working, so that the electric drive assembly can be started under the condition that all the limit switches send the pull-up in-place signals.
Preferably, the sound insulation sealing assembly for the door gap comprises a door body top sealing structure, a door body upstream sealing structure, a door body downstream sealing structure and a door body bottom sealing structure.
Preferably, the door body top sealing structure comprises a top guide groove fixed on the door frame, a top sealing tenon vertically fixed downwards in the top guide groove, a top sealing groove arranged at the top of the door body assembly, and a long-wool sealing felt, a sound absorbing cotton and a perforated plate fixedly arranged in the top sealing groove. When the gate is closed, the top sealing tenon is embedded into the top sealing groove, and the bottom of the top sealing tenon is tightly attached to the long-wool sealing felt to form sealing.
Preferably, the upstream sealing structure of the door body comprises an upstream tenon supporting plate installed on the door frame, an upstream tenon plate installed on the upstream tenon supporting plate, an upstream sealing groove fixedly installed on the door body assembly, and a long-wool sealing felt, a sound-absorbing cotton and a perforated plate fixedly installed in the upstream sealing groove. When the gate is closed, the end part of the upstream tenon plate is embedded into the upstream sealing groove, the end part of the upstream tenon plate is tightly attached to the long-wool sealing felt to form sealing, the downstream sealing structure of the door body comprises a downstream sealing groove screw hole plate fixed on the door frame, a downstream sealing groove fixed on the downstream sealing groove screw hole plate, an L-shaped downstream sound insulation frame fixed on the door body assembly, and a downstream tenon plate fixed at the top end of the downstream sound insulation frame, wherein the long-wool sealing felt, the sound absorption cotton and the perforated plate are arranged in the downstream sealing groove. When the gate is closed, the end part of the downstream tenon plate is embedded into the downstream sealing groove, the end part of the downstream tenon plate is tightly attached to the long wool sealing felt to form sealing, the door body bottom sealing structure comprises an L-shaped bottom plate sealing installation plate fixedly installed at the bottom of the door body, an airtight seal and a long wool brush fixedly installed on the bottom plate sealing installation plate, and when the gate is closed, the airtight seal is inflated and expanded to be matched with the long wool brush to be tightly attached to the ground to form sealing.
The invention aims to overcome the defects of the prior art and designs an ultra-large electrically-driven sound insulation door structure of a wind tunnel anechoic chamber, wherein a main body of the door adopts an aluminum alloy section door body matched with a box-type steel structure base to be opened and closed in an electrically-driven translation manner, guide wheels are respectively arranged above and below the door, a guide rail is laid on the ground, the main body adopts a multilayer composite sound insulation structure, the periphery of the door body adopts a labyrinth type sealing structure integrating sound absorption and insulation, and an electric locking device is adopted when the door is closed, so that the door can bear pneumatic loads such as static pressure, pulsating pressure and the like of the wind tunnel anechoic chamber. The ultra-large sound insulation gate related to the invention can meet the test performance requirements of large aircraft on pneumatics and acoustics in a anechoic chamber when closed, and can meet the passing requirements of large test equipment and large aircraft when the gate is opened.
Drawings
Figure 1 is a front view of the closed condition of the gate of the invention.
Figure 2 is a left side view of the gate closed of the present invention.
FIG. 3 is a schematic structural view of a door assembly according to the present invention;
FIG. 4 is a transverse sectional view of the connection of the door assembly of the present invention to the door sill;
FIG. 5 is a vertical sectional view of the connection of the door assembly and the door sill of the present invention;
FIG. 6 is a transverse cross-sectional view of the door assembly of the present invention;
FIG. 7 is a vertical cross-sectional view of a door sill of the present invention;
FIG. 8 is a side cross-sectional view of a door sill of the present invention;
FIG. 9 is a cross-sectional view of a door sound insulating structure assembly of the present invention;
FIG. 10 is a schematic view of a door top seal configuration of the present invention;
FIG. 11 is a schematic view of the door upstream seal of the present invention;
FIG. 12 is a schematic view of a downstream sealing structure of the door body of the present invention;
FIG. 13 is a schematic view of a door bottom seal of the present invention;
FIG. 14 is a schematic view of the electric drive assembly of the present invention;
fig. 15 is a structural sectional view of the locking mechanism of the present invention.
In the figure: the door body structure assembly 100, the door sill assembly 200, the door body sound insulation structure assembly 300, the door slot sound insulation sealing structure assembly 400, the electric drive assembly 500, the door locking mechanism assembly 600, the door body main upright post 101, the door body main cross beam 102, the door body auxiliary post 103, the door body auxiliary beam 104, the cross reinforced steel plate 105, the high-strength steel corner piece I106, the high-strength steel corner piece II 107, the high-strength steel corner piece III 108, the high-strength steel corner piece IV 109, the inner embedded steel sleeve 110, the stud nut connecting piece 111, the hexagon bolt nut connecting piece 112, the box beam 201, the small tank pressure lever 202, the small tank threaded sleeve 203, the disc spring 204, the small tank pressure cover 205, the transportation small tank 206, the 3mm panel 301, the 0.6mm sound insulation steel plate 302, the 50mm rock wool 303, the 0.6mm perforated plate 304, the 1.5mm sound insulation plate 305, the T-shaped screw connecting piece 306, the top guide channel steel structure 401, the top sealing tenon 402, the top sealing groove 403, The device comprises a long-velvet sealing felt 404, sound absorption cotton 405, a perforated plate 406, an upstream tenon supporting plate 407, an upstream tenon plate 408, an upstream sealing groove 409, a downstream sealing groove screw hole plate 410, a downstream sealing groove 411, a downstream tenon plate 412, a downstream sound insulation frame 413, a bottom plate sealing mounting plate 414, an airtight seal 415, a long-velvet brush 416, a driving motor 501, a speed reducer 502, a transmission gear set 503, a driving wheel 504, a pre-pressing motor 505, a stop block 506, a pressure rod 507, a force transmission seat 508, a linear guide rail 509, a driving wheel box 510, a lifter 601, a lifter mounting seat 602, a pin shaft 603, a pin sleeve 604, a limit switch 605 and a pin groove 606.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings (gate closed state) in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 15, in an embodiment of the present invention, an ultra-large electrically driven sound-proof door structure of a wind tunnel anechoic chamber is provided, which mainly includes: the door body structure assembly comprises a door body structure assembly 100, a door bottom beam assembly 200, a door body sound insulation structure assembly 300, a door gap sound insulation sealing structure assembly 400, an electric drive assembly 500 and a door locking mechanism 600; the ultra-large electrically-driven soundproof door structure has the dimensions of 27000mm multiplied by 19250mm multiplied by 1400mm (W multiplied by H multiplied by T) and the total weight of 120T, and the door frame can be formed by a civil structure.
The sound insulation door related to the invention is arranged in a narrow and long space between the anechoic chamber and the outer side parking hall, and is operated in an electrically driven lateral moving mode. The gate bottom beam assembly 200 is a bearing structure, the door body structure assembly 100 is arranged at the upper part of the gate bottom beam assembly, and the door body sound insulation structure assembly 300 is arranged in a frame of the door body structure assembly 100. The left side and the right side of the gate bottom beam assembly 200 are provided with electric drive assemblies 500 for driving and operating the gate, the top of the gate is provided with a gate locking mechanism 600, and the gate locking mechanism 600 is locked after the gate is closed in place to position the gate. The door frame is provided with a door gap sound insulation sealing structure assembly 400, so that the integral sealing performance of the door body is ensured when the door is closed.
The gate bottom beam assembly 200 is a main body bearing structure of a gate, the main body structure adopts a structure that 9 box-shaped beams 201 are welded by steel plates, the structural weight is reduced as much as possible while the structural strength and the supporting capacity are ensured, and meanwhile, the interior of each box-shaped beam can be filled with sound absorption and insulation materials, so that the acoustic performance of a door body is ensured. Two sides of each box-shaped beam 201 are respectively provided with 1 load-bearing 30t carrying small tanks 206, and 18 small tanks are used for carrying gates, and the total carrying capacity can reach 540 t. The transport tankman 206 is fixed in the both sides of box girder 201 below through little tank depression bar 202 precompression dish spring 204 and little tank gland 205, and little tank depression bar 202 can be adjusted from top to bottom through little tank thread bush 203, and then adjusts the clearance between transport tankman 206 and the box girder 201, ensures that 9 box girders 201 are on same horizontal plane.
The door body structure assembly 100 is arranged on the upper portion of the gate bottom beam assembly 200, a door body frame is constructed by adopting standard aluminum alloy sections, the structure of a traditional welding frame is abandoned, the door body precision is greatly improved, meanwhile, the light weight of the structure is guaranteed, and the pressure of a driving system is greatly reduced. The door body structure assembly 100 is a main body frame formed by a door body main upright post 101 and a door body main cross beam 102, a door body auxiliary post 103 and a door body auxiliary beam 104 are connected in the main body frame to form a small sash, the structural strength of the door body is guaranteed, the specification of a unit sash is reduced at the same time, and the sash specification just meets the size of a sound insulation module. The structural strength of the connecting node between the two door body main columns 101 and the connecting node between the door body main columns 101 and the door body main cross beam 102 is weak, a steel bushing 110 is embedded in the door body main columns 101, a cross-shaped reinforcing steel plate 105 is installed on the outer side of the door body main columns 101, and a reinforcing structure of steel-aluminum-steel is formed by oppositely clamping stud nut connecting pieces 111. The design maintains the advantages of light weight and flatness brought by the aluminum alloy section structure of the main body of the gate frame, and meanwhile, the problem of weak structure of aluminum alloy butt joint nodes is solved. Each door body main upright post 101 at the joint of the bottom of the door body structure assembly 100 and the gate bottom beam assembly 200 is reinforced and fixed through a series of high-strength steel angle pieces, the front surface of each door body main upright post 101 is provided with a high-strength steel angle piece I106, the left side and the right side of each door body main upright post are provided with high-strength steel angle pieces II 107, a high-strength steel angle piece III 108 is arranged between the two door body main upright posts 101 in the normal direction, the back surface of each door body main upright post 101 is provided with a high-strength steel angle piece IV 109, the high-strength steel angle pieces are locked and fixed through stud nut connecting pieces 111, and the high-strength steel angle pieces are connected and fixed through hexagon bolt nut connecting pieces 112 in the gate bottom beam assembly 200.
Install a body sound insulation structure assembly 300 in the frame that door body structure assembly 100 constitutes, the fashioned door body sound insulation structure assembly 300 of multilayer composite construction possesses the characteristics of modularization installation, and make full use of standard aluminum alloy ex-trusions originally has T type notch, adopts the modularization fast-assembling's of socket joint formula structure, cooperates T type bolt and nut to install a body sound insulation structure assembly 300 simultaneously, when guaranteeing a body acoustic performance, alleviates the work load of a body installation greatly, also can be convenient for later maintenance. The door body main sound insulation structure is a structure which sequentially comprises a 3mm panel 301-20mm air layer-0.6 mm sound insulation steel plate 302-50mm rock wool 303-0.6mm perforated plate 304-50mm rock wool 303-0.6mm sound insulation steel plate 302-0.6 mm air layer-3 mm panel 301 from the inside to the outside of a sound insulation chamber. The sound insulation steel plate 302 with the thickness of 0.6mm, the rock wool 303 with the thickness of 50mm and the sound insulation steel plate 302 with the thickness of 0.6mm form a front sound insulation module, and the perforated plate 304 with the thickness of 0.6mm, the rock wool 303 with the thickness of 50mm and the sound insulation steel plate 302 with the thickness of 0.6mm form a back sound insulation module. The two modules are inserted into t-shaped grooves of standard aluminum profiles of a door body main upright post 101, a door body main cross beam 102, a door body auxiliary post 103 and a door body auxiliary beam 104 at four sides by adopting a socket type installation mode. The front and back panels of the door body are 3mm panels 301, and the door body is connected with a standard aluminum profile through T-shaped screw connecting pieces 306 to form a whole. The composite structure may have an amount of sound insulation greater than 50 dB. In the standard aluminum alloy section, in order to ensure that the sound insulation amount of the aluminum alloy section is equal to that of the door body main body, a sound insulation plate 305 with the thickness of 1.5mm is additionally arranged on the inner side (close to the center of the door body) of the standard aluminum alloy section, the installation form of the sound insulation plate is the same as that of a 3mm panel 301, and the sound insulation amount of the aluminum alloy section is ensured to be larger than 50dB by connecting the T-shaped screw connecting piece 306 with the standard aluminum section.
The left side and the right side of the gate bottom beam assembly 200 are provided with an electric drive assembly 500, and each side is provided with 2 driving motors 501 and speed reducers 502 to form a driving and traveling mechanism. The driving motor 501 and the speed reducer 502 are vertically assembled into a whole and then are installed on the driving wheel box 510, the driving force required by the operation of the gate, the torque and the operation speed are required, and the power of each selected driving motor 501 is 5 KW. The output shaft of the speed reducer 502 is connected to a driving wheel 504 through a set of 1:1 transmission gear sets 503. A set of pressing mechanism is arranged above each of the two groups of travelling mechanisms to provide downward pressing force for the travelling driving wheels 504, the driving wheels 504 are polyurethane rubber-coated wheels, static friction force on the ground is large, sufficient landing force can be provided when the gate runs, and the driving wheels 504 are prevented from slipping. The hold-down mechanism provides downward force through a pre-pressing motor 505, the pre-pressing motor 505 is installed on a stop 506 structural member, a pressing rod 507 is acted by the downward force provided by the pre-pressing motor 505 and presses downwards on a force transmission seat 508, the force transmission seat 508 is connected with the gate bottom beam assembly 200 through a linear guide rail 509, and the linear guide rail 509 guides the hold-down mechanism to vertically and downwards provide enough pressing force for a driving wheel 504 and can adapt to the fluctuated ground when the gate operates.
After the gate is closed in place, the pin shaft 603 is inserted into the pin groove 606 through the lifter 601 to complete locking and positioning. The elevator 601 is installed on the elevator installation seat 602, the electric push rod of the elevator 601 is connected with the pin 603, as the pin 603 is longer in length and is directly inserted into the pin groove 606, the force arm of the pin 603 is too long, 2 pin sleeves 604 are installed on the stroke of the pin 603, the pin sleeves 604 not only can provide guidance for the operation of the pin 603, but also reduce the bending force arm of the pin 603, and improve the overall mechanical performance of the pin 603.
An OMRON roller push rod type limit switch 605 is installed at the tail end of a locking pin shaft 603, 10 sets of locking device synchronous pins are ensured after the gate stops, when the limit switch 605 is triggered by an inclined plane of a locking pin groove 606, a trigger signal is simultaneously sent to a wind tunnel control system for field monitoring, and electric push rods of all elevators 601 are triggered to stop working; when a gate opening signal is sent, the locking device pin shaft 603 is pulled out firstly, when the limit switch 605 is triggered by the upper limit bump block, a trigger signal is sent to the wind tunnel control system for field monitoring, and the electric push rods of all the elevators 601 are triggered to stop working, so that the electric drive assembly 500 can be started under the condition that all the limit switches 605 send the pull-up in-place signals.
The sound insulation sealing assembly for the door gap comprises a door body top sealing structure, a door body upstream sealing structure, a door body downstream sealing structure and a door body bottom sealing structure.
The door body top sealing structure comprises a top guide groove 401 fixed on a door frame, a top sealing tenon 402 vertically and downwards fixed in the top guide groove, a top sealing groove 403 arranged at the top of the door body assembly, a long-wool sealing felt 404 fixedly installed in the top sealing groove, sound absorbing cotton 405 and a perforated plate 406, wherein the top sealing tenon 402 is embedded into the top sealing groove 403 when the door is closed, and the bottom of the top sealing tenon 402 is tightly attached to the long-wool sealing felt 404 to form sealing.
The door body upstream sealing structure comprises an upstream tenon supporting plate 407 mounted on a door frame, an upstream tenon plate 408 mounted on the upstream tenon supporting plate, an upstream sealing groove 409 fixedly mounted on a door body assembly, a long wool sealing felt 404 fixedly mounted in the upstream sealing groove, sound absorption cotton 405 and a perforated plate 406, wherein the end part of the upstream tenon plate 408 is embedded in the upstream sealing groove 409, the end part of the upstream tenon plate 408 is tightly attached to the long wool sealing felt 404 to form a seal, the door body downstream sealing structure comprises a downstream sealing groove screw plate 410 fixed on the door frame, a downstream sealing groove 411 fixed on the downstream sealing groove screw plate, an L-shaped downstream sound insulation frame 413 fixed on the door body assembly, a downstream tenon plate 412 fixed at the top end of the downstream sound insulation frame, the long wool sealing felt 404, the sound absorption cotton 405 and the perforated plate 406 fixed in the downstream sealing groove, and the end part of the downstream tenon plate 410 is embedded, and the end of the downstream tenon plate 410 is tightly attached to the long-wool sealing felt 404 to form a seal, the door body bottom sealing structure comprises an L-shaped bottom plate sealing mounting plate 414 fixedly mounted at the bottom of the door body, an air sealing strip 415 fixedly mounted on the bottom plate sealing mounting plate and a long-wool brush 416, and when the door is closed, the long-wool brush is tightly attached to the ground to form a seal.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An ultra-large electrically driven sound insulation door structure of a wind tunnel anechoic chamber, comprising: door frame, door body assembly, door body floorbar, electric drive assembly and crack sound insulation seal assembly, its characterized in that: the door body assembly is fixedly mounted on a door body bottom beam, a set of electric drive assemblies are mounted on the door body bottom beam in both sides of the door running direction, a door seam sound insulation sealing assembly is fixedly mounted on a door frame, the door body bottom beam comprises a multi-section box-shaped beam welded by steel plates, two sides of the box-shaped beam are respectively provided with a carrying small tank, the door body assembly comprises a door body main column and a door body main beam which are formed by lightweight aluminum alloy sections, the door body main column and the door body main beam are mutually fixedly connected to form a main body frame, and the door body main column and the door body main beam form the main body frame and then form a small lattice by fixedly connecting the door body auxiliary column and the door body auxiliary beam.
2. The ultra-large electrically-driven sound insulation door structure of the wind tunnel anechoic chamber parking room according to claim 1, characterized in that: and the transport small tank is fixedly arranged on two sides below the box beam through a small tank pressure rod pre-pressing disc spring and a small tank gland, and a small tank thread sleeve is also arranged at the top end of the small tank pressure rod.
3. The ultra-large electrically-driven sound insulation door structure of the wind tunnel anechoic chamber parking room according to claim 1, characterized in that: a steel sleeve is embedded in the main upright post of the door body assembly, a cross-shaped reinforcing steel plate is installed on the outer side of the main upright post of the door body assembly and clamped oppositely through a stud nut connecting piece, and each main upright post of the door body at the connecting node of the bottom of the door body assembly and a bottom beam of the door body is reinforced and fixed through a steel corner piece.
4. The ultra-large electrically-driven sound insulation door structure of the wind tunnel anechoic chamber parking room according to claim 1, characterized in that: still install a body sound insulation structure assembly in the door body assembly, door body main part sound insulation structure is first panel, air bed, first sound insulation steel sheet, first rock wool board, first sound insulation steel sheet, air bed, perforated plate, second rock wool board, second sound insulation steel sheet, air bed, second panel by the indoor outside of amortization in proper order.
5. The ultra-large electrically-driven sound insulation door structure of the wind tunnel anechoic chamber parking room according to claim 4, characterized in that: the first panel, the first sound insulation steel plate, the first rock wool plate and the first sound insulation steel plate form a front sound insulation module, the perforated plate, the second rock wool plate, the second sound insulation steel plate and the second panel form a back sound insulation module, and the two modules are inserted into T-shaped grooves of standard aluminum profiles of a door main column, a door main cross beam, a door auxiliary column and a door auxiliary beam in a socket installation mode and are connected through T-shaped screw connecting pieces.
6. The ultra-large electrically-driven sound insulation door structure of the wind tunnel anechoic chamber parking room according to claim 1, characterized in that: each group of electric drive assemblies is respectively provided with 2 driving motors matched with a speed reducer to form a driving travelling mechanism, the driving motors and the speed reducers are vertically assembled into a whole and then are installed on a driving wheel box, an output shaft of each speed reducer is connected with a driving wheel through a group of transmission gear groups with the ratio of 1:1, a set of pressing mechanism is arranged above the two groups of travelling mechanisms respectively, each pressing mechanism comprises a prepressing motor, a stop block, a pressing rod, a force transmission seat and a linear guide rail, the prepressing motors are installed on the stop blocks, the pressing rods are pressed downwards under the action of downward pressure provided by the prepressing motors, the force transmission seats are connected with a door body bottom beam through the linear guide rails, and the linear guide rails guide the pressing.
7. The ultra-large electrically-driven sound insulation door structure of the wind tunnel anechoic chamber parking room according to claim 1, characterized in that: the locking mechanism is further installed at the top of the door body assembly and comprises an installation seat, a lifter and a pin shaft, the installation seat is installed at the top of the door body assembly, the lifter is installed on the installation seat, an electric push rod of the lifter is connected with the pin shaft, 2 pin sleeves are further installed on the pin shaft, a roller push rod type limit switch is further installed at the tail end of the pin shaft, and a pin groove matched with the pin shaft is further formed in the top of the door body assembly.
8. The ultra-large electrically-driven sound insulation door structure of the wind tunnel anechoic chamber parking room according to claim 1, characterized in that: the sound insulation sealing assembly for the door gap comprises a door body top sealing structure, a door body upstream sealing structure, a door body downstream sealing structure and a door body bottom sealing structure.
9. The ultra-large electrically-driven sound insulation door structure of the wind tunnel anechoic chamber parking room according to claim 8, characterized in that: the door body top seal structure is including fixing the top guide way on the door frame, perpendicular downward fixation in the top sealing tenon of top guide way to and set up in the top seal groove at door body assembly top and the sealed felt of long fine hair of fixed mounting in the seal groove of top, inhale sound cotton, perforated plate, when the gate is closed top sealing tenon embedding is in the top seal groove to the bottom of top sealing tenon closely laminates with the sealed felt of long fine hair and forms sealedly.
10. The ultra-large electrically-driven sound insulation door structure of the wind tunnel anechoic chamber parking room according to claim 8, characterized in that: the door body upstream sealing structure comprises an upstream tenon supporting plate arranged on a door frame, an upstream tenon plate arranged on the upstream tenon supporting plate, an upstream sealing groove fixedly arranged on a door body assembly, and a long wool sealing felt, a sound-absorbing cotton and a perforated plate fixedly arranged in the upstream sealing groove, wherein when the door is in a closed position, the end part of the upstream tenon plate is embedded in the upstream sealing groove, the end part of the upstream tenon plate is tightly attached to the long wool sealing felt in the upstream sealing groove to form sealing, the door body downstream sealing structure comprises a downstream sealing groove threaded plate fixed on the door frame, a downstream sealing groove fixed on the downstream sealing groove threaded plate, an L-shaped downstream sound-insulating frame fixed on the door body assembly, a downstream tenon plate fixed at the top end of the downstream sound-insulating frame, and a long wool sealing felt, a sound-absorbing cotton, a, The door body bottom sealing structure comprises an L-shaped bottom plate sealing mounting plate fixedly mounted at the bottom of the door body, an airtight seal and a long wool brush fixedly mounted on the bottom plate sealing mounting plate.
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| CN202110198100.XA CN112901042A (en) | 2021-02-22 | 2021-02-22 | Ultra-large electrically driven sound insulation door structure of wind tunnel anechoic chamber |
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| CN202110198100.XA CN112901042A (en) | 2021-02-22 | 2021-02-22 | Ultra-large electrically driven sound insulation door structure of wind tunnel anechoic chamber |
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| CN116593117A (en) * | 2023-07-17 | 2023-08-15 | 中国航空工业集团公司沈阳空气动力研究所 | Wind tunnel resident room gate device |
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Application publication date: 20210604 |