CN101387181B - Air sealed door for grain depot - Google Patents

Air sealed door for grain depot Download PDF

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Publication number
CN101387181B
CN101387181B CN2007100457835A CN200710045783A CN101387181B CN 101387181 B CN101387181 B CN 101387181B CN 2007100457835 A CN2007100457835 A CN 2007100457835A CN 200710045783 A CN200710045783 A CN 200710045783A CN 101387181 B CN101387181 B CN 101387181B
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CN
China
Prior art keywords
door
plate
leaf
hinge
hook
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2007100457835A
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Chinese (zh)
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CN101387181A (en
Inventor
濮祖跃
顾伟
倪一多
潘同生
曹琼
褚水良
顾耀勤
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SHANGHAI GRAIN AND OIL STORAGE CO Ltd
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SHANGHAI GRAIN AND OIL STORAGE CO Ltd
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Application filed by SHANGHAI GRAIN AND OIL STORAGE CO Ltd filed Critical SHANGHAI GRAIN AND OIL STORAGE CO Ltd
Priority to CN2007100457835A priority Critical patent/CN101387181B/en
Publication of CN101387181A publication Critical patent/CN101387181A/en
Application granted granted Critical
Publication of CN101387181B publication Critical patent/CN101387181B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention relates to an airtight door for a granary, which relates to a grain baffle door for a large-scale granary. The airtight door for the granary is characterized in that a left door leaf and a right door leaf are angulated at an included angle of between 130 and 145 DEG after closing, and are divided into three layers respectively, namely six door plates (1); single-hole semicircular gland strips (11) are arranged between an upper door plate (1) and a lower door plate (1) and between the door plates (1) and a door frame (7); a two-hole flat circular gland strip (17) is arranged between a left door plate (1) and a right door plate (1); bearings (22) are arranged between upper hinges (26) and lower hinges (25) of the door frame (7) and the door plates (1); and each layer of the door plates is uniformly provided with two pairs of locking devices (6) which consist of handwheels (14), lock sleeve screws (13), lock catch screws (15), pedestals (16) provided with hooks, and pedestals (12) provided with suspension loops. The airtight door for the granary is reasonable in structure, is safe and durable, and is lightweight, portable, quick and stable in opening and closing a lock; and the side pressure is more than 20 tons per square meter, and the time for airtight semi-attenuation from 500 Pa to 250 Pa is more than 25 minutes. Moreover, the airtight door for the granary can be widely used for the large-scale granary the heat preservation and heat insulation effects of which meet the requirement of transport and storage of the grain in controlled atmosphere.

Description

Air sealed door for grain depot
Technical field
The present invention relates to a kind of grain-guard door that is applicable to large granary, be particularly useful for the Bulk Grain storehouse and enclose bag changing diffusing grain depot.This grain-guard door is airtight reliable, and it is convenient to open and close, and can bear greater than 20 tons of/square metre lateral pressures, safe in utilization.
Background technology
Scientific and technological progress and social development make the grain circulation marketization day by day, internationalization, and consumption requires nutrient laden, greenization day by day to grain.The management of modernization grain storage is the important means that realizes above-mentioned requirements.Air-conditioning storing grain (by gas temperature in the control silo, reaching safe and green grain storage) is the disseminate technology of modernized grain storage management.About 50,000,000,000 kilograms of the capacity of the newly-built silo of China, wherein large storehouse accounts for 70%, and silo, steel concrete silo, multi-storied warehouse account for 3% altogether, and all the other are traditional silo.These newly-built silos fall behind situation for improving China's grain storage equipment, alleviate the nervous situation of enterprise engaged in grain purchase and marketing's capacity and have made very big contribution.But the safe grain storage problem that accounts for the large storehouse of newly-built silo 70% does not still have complete experience, does not have the technology that can use for reference yet.The silo designer considers more when design from the civil engineering angle, less to the grain storage function consideration of silo, considers fewer to the new grain storage technology (for example air-conditioning storing grain technology) that this novel granary adopts.
Therefore, up to the present, newly-built top, the storehouse thermal insulation that large storehouse occurred is poor, and the problem of Cang Ding, Cang Qiang, door and window poor air-tightness has no idea to solve.
Summary of the invention
The objective of the invention is to design a kind of air tight door with grain into, retaining grain and stifling function such as airtight that can be applicable to large-scale Bulk Grain storehouse such as horizontal warehouse.This air tight door can improve the thermal insulation and the tightness in warehouse, and four new grain storage technology such as air-conditioning storing grain can be applied smoothly, satisfies the requirement to grain consumption nutrient laden, greenization.
In order to achieve the above object, the present invention has adopted following technology.Comprise door leaf, doorframe, door hinge and locking device.Its structural feature is: be 130~145 ° of angles after left and right door leaf cuts out; Three layers of left and right door leaf each minutes, totally 6 door-plates, each piece door-plate are by the heat insulating material of centre and the door skeleton that is evenly distributed, and the sealing of the steel plate on channel-section steel all around and inside and outside two sides constitutes, and a door-plate handle is all arranged on the every door-plate.Be equipped with the edge of a knife of inside and outside symmetry between upper and lower two door-plates, be provided with the semicircle weather strip of single hole between two edges of a knife, when door-plate cut out up and down, sealing effectiveness was good; The angle steel of each fixed symmetry on the channel-section steel of the keying contact position of left and right door-plate is provided with Double hole and flat circular seal bar between the angle steel, make good sealing effect between the door-plate of the left and right sides; Go up the hinge page or leaf for each intrinsic two on the door-plate limit that an other side contacts with doorframe, with the intrinsic page or leaf of hinge down on the doorframe limit of last hinge page or leaf corresponding site, the hinge cover socket of the hinge of following hinge page or leaf and last hinge page or leaf, and intrinsic bearing between hinge bottom raised head face and the hinge cover end face makes door leaf light, flexible when doorframe rotate by door hinge.Doorframe is by two parallel step shapes that are consolidated into of angle steel, intrinsic band steel between the step that forms of the angle steel of the doorframe of and arranged on left and right sides wherein, the band steel angle with the door-plate that is 130~145 ° of angles after door leaf cuts out contact that a side is parallel to be as the criterion, and the semicircle weather strip of intrinsic single hole around the doorframe, all weather strips all adopt high quality silicon rubber pange moulding material, paste and fix long service life.Be equipped with two secondary locking devices between two door-plates about each layer door leaf, totally six pairs.Every secondary locking device adopts screw rod locking form, is made up of the base of handwheel, lock tube screw rod, snap close screw rod, band hook, the base of band hangers.The center of handwheel is the double end nut, the direction of rotation of the internal thread at the two ends of this double end nut is just in time opposite, and respectively with lock tube screw rod and snap close screw rod bolt, promptly, wherein one of a screw rod is provided with the external screw thread that turns clockwise, another root has the external screw thread that is rotated counterclockwise, the internal thread coupling at external screw thread that two direction of rotation are opposite and double end nut two ends, the center that is shaped as of the other end of lock tube screw rod is provided with the disk of through hole, this has the disk of through hole to place in the middle of a pair of hangers that through hole arranged on the base of band hangers, by the pin (cottor pin is arranged at the pin bottom) that inserts through hole it is flexibly connected, the base and a side door plate of band hangers are fixed.The center that is shaped as of the other end of snap close screw rod is provided with the disk of the boss of symmetry, and the disk of this band boss mates with a pair of hook that the base that band is linked up with is provided with, when locking a door, disk enters in the middle of a pair of hook, two boss lay respectively in the hook, rotate handwheel, and two screw rods draw tighter and tighter.When unblanking, rotate handwheel, disk convex platform and hook unclamp, and snap close screw rod and hook are separated, and get final product.Respectively offer the mouth of putting out cereal on nethermost two door-plates, put out cereal on mouthful side by wicket of little door hinge and door-plate flexible connection, the intrinsic locking cushion block of opposite side, the little door handle with the button with lock that can rotate is housed on the wicket of locking the cushion block relevant position has weather strip around the wicket.
The present invention has the following advantages:
1. because Bulk Grain air tight door of the present invention is 130-145 ° of angle when cutting out, grain storage acts on this thrust that takes place behind the door makes Men Yueguan tight more, it is subjected to the lateral pressure can be greater than 20 tons/square metre, and its stressed dispersion simultaneously is therefore rational in infrastructure, safety durable.
2. because between door-plate of the present invention and the door-plate, and be equipped with well behaved weather strip between door-plate and doorframe, solved the problem of existing grain-guard door poor air-tightness, detection shows through construction project quality examination center, Shanghai City: airtight partly declining from 500Pa pressure, decaying to the used time of 250Pa pressure is more than 25 minutes, be much higher than national standard require should greater than 40 seconds.
3. because the present invention has adopted three width of cloth screw locking devices, this locking device is made up of the base of handwheel, lock tube screw rod, snap close screw rod, band hook, the base of band hangers, the center of handwheel is the just in time opposite double end nut of the direction of rotation of two ends internal thread, and respectively with lock tube screw rod and snap close screw rod bolt, therefore, open and close door leaf and can divide three layers to carry out, and unblank and close latching operation light and fast and steadily.
4. because the present invention has adopted channel-section steel to do a skeleton, quality steel plate is done the front cover of door-plate, and heat insulating material has been loaded in steel plate inside, and be divided into three layers, totally 6 door-plates are formed, nearly make 12 square metres door leaf can open and close step by step on demand, operate light, simultaneously, existing grain depot insulation, the bad problem of effect of heat insulation have been solved.
Description of drawings
Fig. 1 is an outside of the present invention structural representation
Fig. 2 is a inside of the present invention structural representation
Fig. 3 is an A-A sectional view of the present invention
Fig. 4 is an I node enlarged diagram of the present invention
Fig. 5 is the vertical view of Fig. 2 of the present invention
Fig. 6 is an III node enlarged diagram of the present invention
Fig. 7 is an II node enlarged diagram of the present invention
Fig. 8 is a locking device elevation of the present invention
Fig. 9 is a handwheel schematic diagram of the present invention
Figure 10 is a door hinge assembling schematic diagram of the present invention
Label declaration in the accompanying drawing is as follows:
The 1-door-plate; The little door handle of 2-; The 3-wicket; The 4-steel plate; 5-door-plate handle; The 6-locking device; The 7-doorframe; The 8-door hinge; 9-door skeleton; The 10-heat insulating material; The semicircle weather strip of 11-single hole; The base plate of 12-band hangers; 13-lock tube screw rod; The 14-handwheel; 15-snap close screw rod; The base plate of 16-band hook; 17-Double hole and flat circular seal bar; The 18-angle steel; The 19-channel-section steel; The 20-band steel; The 21-pin; The 22-bearing; 23-cuts with scissors cover; The 24-hinge; 25-is the hinge page or leaf down; The last hinge page or leaf of 26-.
The specific embodiment
Describe the present invention below in conjunction with accompanying drawing.
See also Fig. 1-10.Doorframe 7 of the present invention is fixed with body of wall to be one, it by 6 not in one plane limit form, totally 4 limits that length is identical of wherein forming upper and lower doorframe, with door leaf keying place is the summit, be 138 ° of angles (130~145 ° all can), doorframe 7 and door leaf flexibly connected by door hinge 8.
After cutting out, left and right door leaf is 138 ° of angles (130~145 ° all can).Three layers of left and right door leaf each minutes, to form by 6 door-plates 1 altogether, each piece door-plate 1 is by the heat insulating material 5 of centre and the door skeleton 9 that is evenly distributed, and steel plate 4 sealings on channel-section steel all around 19 and inside and outside two sides constitute.Heat insulating material adopts polystyrene foam plastics, and coefficient of thermal conductivity is controlled at<the 0.23W/m degree.The edge of a knife of external symmetry in being equipped with between upper and lower two door-plates 1, the semicircle weather strip 11 of single hole of bonding on one of them edge of a knife between two edges of a knife.The angle steel 18 of each fixed symmetry on the channel-section steel 19 of the keying contact position of left and right door-plate 1, wherein Double hole and flat circular seal bar 17 of bonding on angle steel 18.Go up hinge page or leaf 26 for each intrinsic two on the other side of door-plate and the limit that doorframe 7 contacts, with the intrinsic page or leaf of hinge down 25 on doorframe 7 limits of last hinge page or leaf 26 corresponding sites, the hinge 24 of following hinge page or leaf 25 overlaps 23 sockets with the hinge of last hinge page or leaf 26, and intrinsic bearing 22 between hinge 24 bottom boss and hinge cover 23 end faces, door leaf is along doorframe 7 rotations, and the closure or openness that reach door leaf are flexibly with light.Doorframe 7 is by two angle steel, the 18 parallel step shapes that are consolidated into, intrinsic band steel 20 between the step that forms of the angle steel 18 of and arranged on left and right sides doorframe 7 wherein, the angle of band steel 20 with the door-plate 1 that is 138 ° of angles (130~145 ° all can) after door leaf cuts out contact that a side is parallel to be as the criterion, and the semicircle weather strip 11 of intrinsic single hole around the doorframe 7.All weather strips all adopt high quality silicon rubber pange moulding material, paste and fix, long service life.Be equipped with two secondary locking devices 6 between two door-plates about each layer door leaf, totally six pairs; Every secondary locking device 6 adopts screw rod locking form, form by the base 16 of handwheel 14, lock tube screw rod 13, snap close screw rod 15, band hook, base 12, pin 21 and the cottor pin of band hangers, the center of handwheel 14 is the double end nut, the direction of rotation of the internal thread at the two ends of this double end nut is just in time opposite, and respectively with lock tube screw rod 13 and snap close screw rod 15 bolts, promptly, wherein one of a screw rod is provided with the external screw thread that turns clockwise, another root has the external screw thread that is rotated counterclockwise, the internal thread coupling at two kinds of external screw threads and double end nut two ends.The center that is shaped as of the other end of lock tube screw rod 13 is provided with the disk of through hole, this has perforated disc to place in the middle of a pair of hangers that through hole arranged on the base 12 of band hangers, by the pin 21 of insertion through hole and the cottor pin of pin 21 bottoms it is flexibly connected, the base 12 of band hangers is fixed by a bolt and nut and a side door plate 1.The center that is shaped as of the other end of snap close screw rod 15 is provided with a pair of hook coupling that the base 16 of this disk that boss arranged of disk and band hook of the boss of symmetry is provided with, and need be separated from each other or enter a pair of hook centre by disk by opening and closing, two boss lay respectively to reach in the hook with hook and are connected purpose, and the base 16 of band hook is fixed by the door-plate 1 of bolt and nut and opposite side.When opening door leaf, rotate handwheel, unclamp screw rod, snap close breaks away from hook.When closing, rotate handwheel, with two screw rod tensions.Respectively offer the mouth of putting out cereal on nethermost two door-plates 1, put out cereal on mouthful side by wicket 3 of little door hinge and door-plate 1 flexible connection, the intrinsic locking cushion block of opposite side is equipped with the wicket handle 2 of the button with lock that can rotate on the wicket 3 of locking cushion block relevant position, wicket has weather strip all around.
The course of work of the present invention is as follows:
Close grain-guard door, in layer carry out from the bottom up, until whole locking lockings.At first close nethermost two door-plates 1, with door-plate handle 5 door-plate 1 is pulled outward in the storehouse, then the base 16 of snap close screw rod 15 with the band hook is pulled in, snap close screw rod 15 is connected with the base 16 of band hook, and the disk of snap close screw rod 15 is put in the middle of a pair of hook of the base 16 of being with hook, two boss on the disk just lay respectively in the hook, handwheel 14 is rotated gently several following, one deck in the middle of closing again by said procedure then, with uppermost two door-plates, close and compress operation after finishing, at first rotate nethermost handwheel 14, it is compressed, two door-plates 1 in the middle of compressing then, compress two top door-plates 1 at last, whole pass closed procedure finishes.
When opening shelves grain door, open from the top down, the first step will be opened the wicket 3 in following two door-plates, and the wicket handle 2 of wicket 3 is rotated gently, leaves the locking cushion block on the mouth of putting out cereal, and can open wicket 3 (otherwise then closing wicket 3).Drain in the whole grain of wicket more than 3, unscrew locking device 6 then one by one.The uppermost handwheel 14 of rotation opens out snap close screw rod 15 from the base 16 of band hook earlier, promotes door-plate 1 gently in the storehouse, and the like, open and finish.

Claims (1)

1. the Bulk Grain air tight door comprises left and right door leaf, doorframe (7), and door hinge (8) and locking device (6) is characterized in that: be 130~145 ° of angles after left and right door leaf cuts out; Three layers of left and right door leaf each minutes, totally 6 door-plates (1) are formed, steel plate (4) sealing on the heat insulating material (10) that each piece door-plate (1) is provided with by the centre, door skeleton (9), the channel-section steel all around (19) that is evenly distributed and inside and outside two sides constitutes, and all establishes a door-plate shake hands (5); The edge of a knife of external symmetry in being equipped with between upper and lower two door-plates (1) is provided with the semicircle weather strip (11) of single hole between two edges of a knife; The channel-section steel (19) of the keying contact position of left and right door-plate (1) is gone up the angle steel (18) of each fixed symmetry, is provided with Double hole and flat circular seal bar (17) between the angle steel (18); Go up hinge page or leaf (26) for each intrinsic two on door-plate (1) limit that contacts with doorframe (7), with intrinsic hinge page or leaf (25) down on doorframe (7) limit of last hinge page or leaf (26) corresponding site, the hinge (24) of following hinge page or leaf (25) and last hinge cover (23) socket of cutting with scissors page or leaf (26), and intrinsic bearing (22) between hinge (24) bottom boss and hinge cover (23) end face; Doorframe (7) is by the parallel step shape that is consolidated into of two angle steel (18), intrinsic band steel (20) between the step that forms of the angle steel (18) of the doorframe of the left and right sides (7) wherein, band steel (20) angle with the door-plate (1) that is 130~145 ° of angles after door leaf cuts out contact that a side is parallel to be as the criterion, and the semicircle weather strip (11) of the intrinsic single hole of doorframe (7) all around; Be equipped with two secondary locking devices (6) on two door-plates about each layer door leaf, totally six pairs; Every secondary locking device (6) is made up of the base (16) of handwheel (14), lock tube screw rod (13), snap close screw rod (15), band hook, the base (12) and the pin (21) of band hangers, the center of handwheel (14) is the double end nut, the direction of rotation of the internal thread at the two ends of this double end nut is just in time opposite, and respectively with lock tube screw rod (13) and snap close screw rod (15) bolt; The other end of lock tube screw rod (13) is shaped as the disk that the center is provided with through hole, and this has the disk of through hole to place base (12) a pair of of band hangers to have in the middle of the hangers of through hole, flexibly connects by the pin (21) that inserts through hole; The base (12) of band hangers is fixed with a side door plate (1); The other end of snap close screw rod (15) is shaped as the disk that the center is provided with the boss of symmetry, this has the disk of boss and a pair of hook that the base (16) of being with hook is provided with to mate, and need to break away from hook or by disk being placed a pair of hook centre by opening and closing, two boss of disk lay respectively in the hook, reach with hook to be connected purpose; The base (16) of band hook is fixed with the door-plate (1) of opposite side; Respectively offer the mouth of putting out cereal on nethermost two door-plates (1), put out cereal on mouthful side by a little door hinge and door-plate (a 1) flexible connection wicket (3), the intrinsic locking cushion block of opposite side, little door handle (2) with the button with lock that can rotate is housed on the wicket (3) of locking the cushion block relevant position has weather strip around the wicket.
CN2007100457835A 2007-09-11 2007-09-11 Air sealed door for grain depot Expired - Fee Related CN101387181B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2007100457835A CN101387181B (en) 2007-09-11 2007-09-11 Air sealed door for grain depot

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2007100457835A CN101387181B (en) 2007-09-11 2007-09-11 Air sealed door for grain depot

Publications (2)

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CN101387181A CN101387181A (en) 2009-03-18
CN101387181B true CN101387181B (en) 2010-09-29

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104632041B (en) * 2014-12-17 2016-09-07 安徽博微长安电子有限公司 A kind of grain depot vent seal thermal insulating door thermally insulated door
CN105840053A (en) * 2016-05-25 2016-08-10 山东稷丰粮油仓储设备有限公司 Swing-out grain retaining door
CN107178278B (en) * 2017-07-25 2023-05-26 上海民防建筑研究设计院有限公司 Double-leaf door with center seam sealing structure
CN108266103A (en) * 2018-02-28 2018-07-10 无锡德林防务装备股份有限公司 A kind of gas-tight door
CN108266076A (en) * 2018-03-21 2018-07-10 郑州龙威电子科技有限公司 A kind of grain-guard door of not grain leakage
CN108505892A (en) * 2018-03-21 2018-09-07 郑州龙威电子科技有限公司 A kind of grain-guard door of fall arrest
CN114679966B (en) * 2022-04-18 2023-05-09 杭州师范大学 Wisdom stores up granary storehouse

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2297121A (en) * 1995-01-18 1996-07-24 Marek Glowacki Anti-burglar door locks
CN2309410Y (en) * 1997-11-08 1999-03-03 杨山波 Special door for granary
CN2363468Y (en) * 1999-01-21 2000-02-16 南通粮食机械总厂 Horizontal sliding sealed door for storehouse
CN1256349A (en) * 1998-12-08 2000-06-14 沈阳机电研究设计院 Granary door
US6779825B1 (en) * 2002-11-18 2004-08-24 Bucks Fabricating, Division Of Deist Industries, Inc. Two-piece tailgate apparatus operable as either a dual rotatable or pivotable gate
CN201087670Y (en) * 2007-09-11 2008-07-16 上海粮油仓储有限公司 Bulk grain airtight door

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2297121A (en) * 1995-01-18 1996-07-24 Marek Glowacki Anti-burglar door locks
CN2309410Y (en) * 1997-11-08 1999-03-03 杨山波 Special door for granary
CN1256349A (en) * 1998-12-08 2000-06-14 沈阳机电研究设计院 Granary door
CN2363468Y (en) * 1999-01-21 2000-02-16 南通粮食机械总厂 Horizontal sliding sealed door for storehouse
US6779825B1 (en) * 2002-11-18 2004-08-24 Bucks Fabricating, Division Of Deist Industries, Inc. Two-piece tailgate apparatus operable as either a dual rotatable or pivotable gate
CN201087670Y (en) * 2007-09-11 2008-07-16 上海粮油仓储有限公司 Bulk grain airtight door

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