CN201330550Y - Large-scale high performance suspension type three-dimensional displacement electromagnetic shielding door - Google Patents

Large-scale high performance suspension type three-dimensional displacement electromagnetic shielding door Download PDF

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Publication number
CN201330550Y
CN201330550Y CNU2009200880580U CN200920088058U CN201330550Y CN 201330550 Y CN201330550 Y CN 201330550Y CN U2009200880580 U CNU2009200880580 U CN U2009200880580U CN 200920088058 U CN200920088058 U CN 200920088058U CN 201330550 Y CN201330550 Y CN 201330550Y
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CN
China
Prior art keywords
door
guide rail
door leaf
right directions
doorframe
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Expired - Fee Related
Application number
CNU2009200880580U
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Chinese (zh)
Inventor
李跃波
刘锋
潘征
杨杰
张玉生
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Third Engineering Corps Research Institute Of Headquarters Of General Staff Pla
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Third Engineering Corps Research Institute Of Headquarters Of General Staff Pla
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  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)

Abstract

The utility model discloses a large-scale high-performance suspension type three-dimensional displacement electromagnetic shielding door, which comprises a suspension keel, a controller, a door leaf and a door frame, wherein the door frame is fixed on a shielding wall, and a guide rail device used for the front and back, left and right and up and down movement of the door leaf is arranged on the upper part of the suspension keel; the guide rail device comprises a front-back direction guide rail parallel to the door opening, a left-right direction guide rail perpendicular to the door opening and an upper-lower pull rod mechanism, the door leaf is suspended on the left-right direction guide rail through a sliding support, the left-right direction guide rail is suspended on the front-back direction guide rail, and the upper-lower pull rod mechanism is arranged on the left side and the right side of an inner frame of the door frame. The utility model relates to a novelty is reasonable, excellent performance, the index is advanced, convenient operation, the longitudinal movement of door leaf can allow to hang jumbo size absorbing material on the door leaf, is particularly suitable for when the large-scale microwave anechoic chamber is used to the shield door, and the door opening size is great, can allow the discrepancy of main equipment.

Description

Large-scale high-performance suspension type three direction displacement electromagnetic shield door
Technical field
The utility model relates to engineering electromagnetic protection (shielding) field, relates generally to a kind of large-scale high-performance suspension type three direction displacement quick and stable and opens and closes electromagnetic shield door.
Background technology
Electromagnetic shield door is the indispensable visual plant of electromagnetic shielding chamber, and its performance has directly determined the bulk shielding usefulness of screened room.The electromagnetic shield door that is used for metallic shielded room or darkroom at present can be divided into two big classes, the first kind is the unified small-sized standard shielded door of door opening size, door opening is of a size of 850mm * 1900mm, hermetically-sealed construction is generally cutter, spring plug-in, switch door mode mainly adopts one dimension laterally to move or fan-shaped rotation (hinge is rotary), manually-operated or electric operation, and it generally is applied in the small-sized screened room, come in and go out for personnel and mini-plant, what application was maximum on the engineering is exactly this shield door; Second class is large-scale shield door, its size is decided as required, hermetically-sealed construction is generally cutter, spring plug-in or airtight compression joint type, switch door mode mainly adopts one dimension laterally to move or one dimension vertically moves, small-sized shield door is compared in electronic control, and large-scale shield door is being formed structure, switch door mode, the speed of service and operated in the control complicated more, technology content is higher, is mainly used in large-sized electromagnetic shielding chambers such as darkroom.
Because some main equipments or experimental subjects can not pass in and out the darkroom smoothly, so the application at this small-sized shield door is restricted, and the electric seal approach difficulty of large-scale shield door is higher, make the shield effectiveness at gate be difficult to satisfy instructions for use, therefore, the large-scale shield door of development high-performance quick and stable switching becomes the difficult problem that engineering is used necessary solution.
Summary of the invention
The purpose of this utility model provide a kind of applied range, easy to operate, can realize the large-scale High Performance Shielding door of suspension type that three-dimensional moves.
The purpose of utility model can adopt following technical scheme to realize: described electromagnetic shield door comprises suspension keel, controller, door leaf and doorframe, doorframe is fixed on the shielding wall, be steel structure, periphery and the welding of barrier shield wall seamless are provided with the track-type facilities that is used for the door leaf all around and moves up and down on the top that hangs keel; Described track-type facilities comprises the fore-and-aft direction guide rail that is parallel to door opening, perpendicular to the left and right directions guide rail of door opening and drag link mechanism up and down, door leaf is suspended on the left and right directions guide rail by sliding support, the left and right directions guide rail is suspended on the fore-and-aft direction guide rail, on two left and right directions guide rails, be respectively arranged with the either-rotation motor that makes the sliding support move left and right, be respectively arranged with on two fore-and-aft direction moving guide rails and can drive the either-rotation motor that the left and right directions guide rail moves forward and backward, drag link mechanism is arranged on the inside casing left and right sides of doorframe up and down.
For preventing that the inertia owing to door causes waving when mobile, inclined support bar is arranged in the arranged outside of door leaf.
Drag link mechanism comprises two relative screw mandrels and two relative pull bars up and down, and it is separately positioned on the inside casing left and right sides of doorframe, and the bottom of every rhizoid bar is provided with by a drive motors, and long draw is connected the drive pull bar to open or to close door leaf with screw mandrel.
Two row's steel grooves are set around the inside casing of doorframe, and both sides overlay reed in the groove.Be provided with the slotting tool structure corresponding with groove at the door leaf periphery, in the both sides of door leaf three latch segments be set respectively, an inclined-plane guide groove is arranged on latch segment, pull bar is arranged in the inclined-plane guide groove, moves up and down and can open or close door leaf.
The large-scale high-performance suspension type three direction displacement electromagnetic shield door characteristics of the utility model design are: (1) has effectively improved shield effectiveness.Door leaf, the employed thickness of doorframe are not less than the cold rolling steel of 3mm and the tight engagement of four row's cutter grooves has guaranteed that door has high shielding properties; (2) automaticity height realizes that quick and stable opens and closes.Adopt deceleration and alignment sensor to cooperate programmable logic controller to realize automatic unlatching, closure and the emergency braking function of door.Adopt the photoelectricity alignment sensor in conjunction with fixed guide and the hard accurate location that guarantees between door leaf slotting tool and doorframe cutter groove that connects.(3) scientific structure design is reasonable.Adopt the suspension type structure, sling point designs above the center of gravity of whole door leaf, and the door leaf below is unsettled, compares with the ground supports structure and has both simplified fixed structure, and the resistance when having reduced motion again is more reasonable on the structure.
The utility model is rationally novel in design, function admirable, index advanced person, easy to operate, adopt cutter groove engagement system to guarantee shield effectiveness, accurate control system, suspension type guide rail structure, wedge-shaped slot locking device have guaranteed accurately near peace surely being meshed of door leaf, doorframe, and the door leaf that may occur in using, the distortion of doorframe have been reduced to greatest extent, vertically moving of door leaf can allow to hang the large scale absorbing material on door leaf, when being particluarly suitable for shield door and being applied in the large-scale microwave dark room, the door opening size is bigger, can allow the discrepancy of main equipment.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model.
Accompanying drawing 2 is the left view of Fig. 1.
Accompanying drawing 3 is local enlarged diagrams.
Among the figure: 1, fore-and-aft direction guide rail, 2, the left and right directions guide rail, 3, fore-and-aft direction slows down and alignment sensor, 4, left and right directions slows down and alignment sensor, 5, fore-and-aft direction motor, 6, the left and right directions motor, 7, door leaf, 8, hang keel, 9, doorframe, 10, pull bar, 11, the power-on and power-off motivation, 12, slow down and alignment sensor 13, absorbing material up and down.
The specific embodiment
In conjunction with the accompanying drawings, specific embodiment of the utility model is described.
Described electromagnetic shield door comprises suspension keel 8, controller, door leaf 7 and doorframe 9, and doorframe 9 is fixed on the shielding wall, is steel structure, periphery and the welding of barrier shield wall seamless, and door leaf 7 is provided with absorbing material 13.Be provided with the track-type facilities that is used for door leaf 7 all arounds and moves up and down on the top that hangs keel 8; Described track-type facilities comprises the fore-and-aft direction guide rail 1 that is parallel to door opening, perpendicular to the left and right directions guide rail 2 of door opening and drag link mechanism up and down, door leaf 7 is suspended on the left and right directions guide rail 2 by sliding support, left and right directions guide rail 2 is suspended on the fore-and-aft direction guide rail 1, on two left and right directions guide rails 2, be respectively arranged with the left and right directions motor 6 that the sliding support left and right directions is moved horizontally, left and right directions be set in the motor case slow down and alignment sensor 4; On two fore-and-aft direction guide rails 1, be respectively arranged with and drive the fore-and-aft direction motor 5 that left and right directions guide rail 2 moves forward and backward, fore-and-aft direction motor 5 is arranged on the fore-and-aft direction guide rail 1 away from door opening one side, is provided with fore-and-aft direction near door opening one side fore-and-aft direction guide rail 1 and slows down and alignment sensor 3.Lower link mechanism is arranged on the inside casing left and right sides of doorframe.Two relative screw mandrels and two relative pull bars 10 about drag link mechanism comprises up and down, it is separately positioned on the inside casing left and right sides of doorframe 9, the bottom of every rhizoid bar is provided with by a power-on and power-off motivation 11, and pull bar 10 is connected with screw mandrel, and screw mandrel drives long draw to open or to cut out door leaf.In the motor case, be provided with and slow down up and down and alignment sensor 12, in order to the restriction rod stroke.For preventing that the inertia owing to door causes waving when mobile, inclined support bar is arranged in the arranged outside of door leaf 7.Two row's steel grooves are set around the inside casing of doorframe 8, and both sides overlay reed in the groove.Be provided with the slotting tool structure corresponding with groove at door leaf 8 peripheries, in the both sides of door leaf 7 three latch segments be set respectively, an inclined-plane guide groove is arranged on latch segment, 10 pull bars are arranged in the inclined-plane guide groove, move up and down and can open or close door leaf.When the cutter groove is closed, pull bar on the doorframe makes in the slow insertion groove of slotting tool by six latch segments on the correspondence position on the inclined-plane guide groove pushing door leaf, guarantee the stressed uniformity of door, reduced a distortion that possibility causes owing to unbalance stress, guaranteed the better engagement of cutter groove.
The process of opening the door at gate is divided into three phases: slotting tool leaves the cutter groove stage, and door leaf leaves the door opening stage, and door leaf is shifted to the door opening opposite side stage.The process of closing the door is the inverse process that opens the door.Control system comprises above-mentioned various location and deceleration sensor, and core is the PLC programmable logic controller that storage inside has the various run action programs of shield door, is combined with frequency converter and relay in addition.Control system is simple to operate, by be provided with open the door, close the door and three hand push buttons of brake hard just can be realized the corresponding actions of door: press the corresponding button, PLC starts the corresponding actions program, and shield door brings into operation; In service, door run location and status information that PLC provides according to position-sensing switch and speed reducing switch, by the frequency conversion of relay control frequency converter, frequency converter is then adjusted motor speed, in time adjusts the door leaf speed of service and state.By automatic control, guarantee the stable operation of door, the various faults of avoiding the human operational error to cause.In addition, present embodiment also is provided with the cutter groove and aims at defencive function, when cutter groove alignment error surpasses setting value, shows fault and stops to carry out cutter groove locking action, has effectively realized the protection of opposite house.
The described electromagnetic shield door door opening of present embodiment size can reach 3500mm * 4000mm, new technology and measures such as even hold-down mechanism, navigation system, steadily of centre of gravity mechanism and speed control have been taked in design, the steady fast moving at assurance gate, the accurate location of cutter groove mechanism and uniform and stable are locked and are unclamped, and have realized high shielding properties.Through performance test and running experiment many times, the key technical indexes that present embodiment reaches is as follows:
Shield effectiveness: electric field decay>90dB, field decay>80dB, plane wave decay>100dB; The door leaf location: photoelectric sensor, the stroke limit sensor, error is not more than 3mm; Working method: electronic control, three-dimensional moves.

Claims (4)

1, a kind of large-scale high-performance suspension type three direction displacement electromagnetic shield door, described electromagnetic shield door comprises suspension keel (8), controller, door leaf (7) and doorframe (9), doorframe (9) is fixed on the shielding wall, it is characterized in that: be provided with the track-type facilities that is used for the door leaf all around and moves up and down on the top that hangs keel (8); Described track-type facilities comprises the fore-and-aft direction guide rail (1) that is parallel to door opening, perpendicular to the left and right directions guide rail (2) of door opening and drag link mechanism up and down, door leaf (7) is suspended on the left and right directions guide rail (2) by sliding support, left and right directions guide rail (2) is suspended on the fore-and-aft direction guide rail, on two left and right directions guide rails (2), be respectively arranged with the left and right directions motor (6) that makes the sliding support move left and right, be respectively arranged with on two fore-and-aft direction guide rails (10) and can drive the fore-and-aft direction motor (5) that the left and right directions guide rail moves forward and backward, drag link mechanism is arranged on the inside casing left and right sides of doorframe (9) up and down.
2, large-scale high-performance suspension type three direction displacement electromagnetic shield door according to claim 1, it is characterized in that: the arranged outside at door leaf (7) has inclined support bar.
3, large-scale high-performance suspension type three direction displacement electromagnetic shield door according to claim 1, it is characterized in that: drag link mechanism comprises two relative screw mandrels and two relative pull bars (10) up and down, it is separately positioned on the inside casing left and right sides of doorframe (9), the bottom of every rhizoid bar is provided with by a power-on and power-off motivation, and pull bar (10) is connected with screw mandrel.
4, large-scale high-performance suspension type three direction displacement electromagnetic shield door according to claim 1, it is characterized in that: two row's grooves are set around the inside casing of doorframe (9), both sides overlay reed in the groove, be provided with the slotting tool structure corresponding at door leaf (7) periphery with groove, in the both sides of door leaf (7) three latch segments are set respectively, one inclined-plane guide groove is arranged on latch segment, and pull bar is arranged in the inclined-plane guide groove.
CNU2009200880580U 2009-01-09 2009-01-09 Large-scale high performance suspension type three-dimensional displacement electromagnetic shielding door Expired - Fee Related CN201330550Y (en)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ303379B6 (en) * 2010-12-23 2012-08-22 Vysoká škola bánská-Technická univerzita Ostrava Door hinge of experimental rooms
CN102661113A (en) * 2012-05-22 2012-09-12 中国人民解放军总参谋部工程兵科研三所 Fully-automatic suspension type two-dimensional electromagnetic shielding door with arc-shaped guide rails
CN110409961A (en) * 2019-07-03 2019-11-05 北方工程设计研究院有限公司 A kind of shielding promotion gate
CN110886572A (en) * 2018-08-18 2020-03-17 北京亿策工程技术有限公司 Shielding sliding door

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ303379B6 (en) * 2010-12-23 2012-08-22 Vysoká škola bánská-Technická univerzita Ostrava Door hinge of experimental rooms
CN102661113A (en) * 2012-05-22 2012-09-12 中国人民解放军总参谋部工程兵科研三所 Fully-automatic suspension type two-dimensional electromagnetic shielding door with arc-shaped guide rails
CN102661113B (en) * 2012-05-22 2014-10-29 中国人民解放军总参谋部工程兵科研三所 Fully-automatic suspension type two-dimensional electromagnetic shielding door with arc-shaped guide rails
CN110886572A (en) * 2018-08-18 2020-03-17 北京亿策工程技术有限公司 Shielding sliding door
CN110409961A (en) * 2019-07-03 2019-11-05 北方工程设计研究院有限公司 A kind of shielding promotion gate

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20091021

Termination date: 20140109