CN113756673B

CN113756673B - Turnover horizontal sliding folding type protective airtight door system

Info

Publication number: CN113756673B
Application number: CN202110951883.4A
Authority: CN
Inventors: 贾彦明; 胡圣伟; 赵国华; 王阳明; 熊科; 钟远诚; 朱东祥; 李享明; 张宇; 王开玉; 解峰; 张德军; 张伟; 赵俊龙; 刘军舰; 戴晓春; 郑冬铸; 毕晶晶; 曾程亮; 卢佳宾
Original assignee: Foshan Huadun Civil Air Defence Engineering Co ltd; Guangzhou Metro Design and Research Institute Co Ltd
Current assignee: Foshan Huadun Civil Air Defence Engineering Co ltd; Guangzhou Metro Design and Research Institute Co Ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-09-16
Anticipated expiration: 2041-08-17
Also published as: CN113756673A

Abstract

The invention provides a turnover horizontal sliding folding type protective airtight door system, which relates to the field of civil air defense engineering and is used for being matched with a door frame on a plugging light well or a ventilation shaft, and the protective airtight door comprises: a protective airtight door; the storage rack is used for storing the protective airtight door; the positioning columns are arranged on two sides of the protective airtight door and are used for positioning the installation position of the protective airtight door on the door frame; the locking mechanism is arranged in the protective airtight door and used for fixing the protective airtight door on the door frame.

Description

Turnover horizontal sliding folding type protective airtight door system

Technical Field

The invention relates to the field of civil air defense engineering, in particular to a turnover horizontal sliding folding type protective airtight door system.

Background

In order to meet the requirements of the subway station hall on the functions of civil air defense and lighting and ventilation, the subway station hall is usually provided with a corresponding lighting well and a ventilation well for lighting and ventilation, so that natural lighting or ventilation of the subway and the surrounding underground space is realized. Because the subway line and the station hall have the people-defense function, the lighting wells and the ventilation wells are provided with waterproof flat plugging ports for peacetime and war time conversion personnel at the high altitude over ten meters away from the station hall, so that the lighting or ventilation at ordinary times and the wartime conversion plugging are realized. The size of the light production well and the ventilation well is from 3m multiplied by 5m to 6m multiplied by 30 m. The peacetime conversion of current protective airtight door often needs large-scale equipment of lifting by crane to assist at present, is difficult to satisfy the peacetime conversion demands such as the transportation of protective airtight door in wartime and installation and stack at ordinary times of subway station room lighting shaft and ventilation shaft shutoff mouth.

Disclosure of Invention

The invention aims to provide a turnover horizontal sliding folding type protective airtight door system which can be used for quickly plugging ports of a lighting well and a ventilation shaft of a subway station hall.

In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides a foldable protection sealing door system that slides of level that can overturn for use with the door frame cooperation on shutoff lighting shaft or the ventilation shaft, includes: a protective airtight door; the storage rack is used for storing the protective airtight door; the positioning columns are arranged on two sides of the protective airtight door and used for positioning the installation position of the protective airtight door on the door frame; the locking mechanism is arranged in the protective airtight door and used for fixing the protective airtight door on the door frame.

Further, in the above-mentioned reversible horizontal sliding foldable protective airtight door system, the door frame includes: the fixing units are sequentially arranged on the supporting frame; the fixing unit comprises a locking seat and a first limiting seat, when the protective airtight door is installed on the door frame, the protective airtight door is parallel to a horizontal plane, the positioning column is placed in the first limiting seat, a locking groove is formed in the locking seat, and the locking seat is used for locking the protective airtight door to prevent the protective airtight door from shifting; the width of the protective airtight door is larger than the width of the door opening of the door frame.

Further, in the foldable protective airtight door system capable of overturning and horizontally sliding, the protective airtight door comprises a shell, a framework and a locking mechanism, and the locking mechanism and the framework are arranged in the shell; the locking mechanism comprises two third commutators, a second speed reducer, a first transmission shaft, two second transmission shafts and a transmission telescopic rod, the second speed reducer comprises an input end and two output ends, one end of the shell is provided with a locking operation port, one end of the first transmission shaft is connected with the input end of the second speed reducer, and the other end of the first transmission shaft extends out of the locking operation port; the third reverser comprises an input end and two output ends, one ends of the two second transmission shafts are respectively connected with the two output ends of the second speed reducer, and the other ends of the two second transmission shafts are respectively connected with the input ends of the two third reversers; the two ends of the shell are respectively provided with a lock sleeve, the input end of the transmission telescopic rod is connected with the output end of the third commutator, the output end of the transmission telescopic rod is connected with a locking head, and when the transmission telescopic rod extends, the locking head can extend out of the lock sleeve and enter the locking seat; the end part of the positioning column is provided with a positioning hole.

Further, in foretell foldable protection airtight door system that slides horizontally can overturn, protection airtight door still includes the skeleton, the skeleton is located in the shell, the skeleton is used for improving the structural strength of shell.

Further, in the foldable protective airtight door system capable of overturning and horizontally sliding, the locking seat and the first limiting seat are connected with the supporting frame through bolts; every the quantity of the locking seat in the fixed unit is 4, every the quantity of the first spacing seat in the fixed unit is 2, first spacing seat symmetry is located the upper end of door frame, every side first spacing seat all is located two between the locking seat.

Further, in the foldable protective airtight door system capable of turning and horizontally sliding, the length of the telescopic rod close to the locking operation port is shorter than that of the other transmission telescopic rod in the two transmission telescopic rods connected with the same third reverser.

Further, in the foldable protection airtight door system capable of overturning and horizontally sliding, a middle joint rubber strip groove is formed in the side wall of the shell, and a sealing rubber strip is arranged on the middle joint rubber strip groove.

Further, in foretell foldable protection sealing door system that slides in level can overturn, still be equipped with the locating plate on the reference column, be equipped with the tang on the locating plate.

Further, in the foldable protection airtight door system capable of overturning and horizontally sliding, a positioning hole is formed in the end portion of the positioning column, and the positioning hole is a square hole.

Further, in the above foldable protection airtight door system capable of turning and horizontally sliding, the storage rack comprises: the storage frame body, the plurality of second limiting seats and the sensing switch are arranged on the storage frame body; the plurality of second limiting seats are symmetrically arranged at the upper ends of two opposite side walls of the storage frame body, and when the protective airtight door is placed on the storage frame, the protective airtight door is vertical to a horizontal plane and the positioning columns are positioned in the second limiting seats; the sensing switches are arranged on the outer wall of the storage frame body, one sensing switch is arranged below each second limiting seat, the upper end of each sensing switch is a detection end, and when the positioning column is placed in the second limiting seats, the positioning column is in contact with the detection end of the sensing switch and triggers the sensing switch; the upper end of the storage frame body is of an open structure, and one end, close to the door frame, of the storage frame body is of an open structure.

The analysis shows that the invention discloses a turnover horizontal sliding folding protective airtight door system which is simple in design structure, simple in manufacturing, mounting and debugging process, compact in stacking, small in occupied space, simple in civil structure, low in cost, and fast and reliable in peacetime conversion.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. Wherein:

fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is a schematic perspective view of the transfer mechanism of the present invention.

Fig. 3 is a schematic front view of the structure of the walking unit of the present invention.

Fig. 4 is a sectional view taken along the line a-a of fig. 3.

FIG. 5 is a schematic side view of the walking unit structure of the present invention.

FIG. 6 is a schematic top view of the structure of the walking unit of the present invention.

Fig. 7 is a front view schematically illustrating the structure of the lifting and rotating unit of the present invention.

Fig. 8 is a sectional view taken along the line B-B of fig. 7.

Fig. 9 is a schematic side view of the lifting rotation unit structure of the present invention.

Fig. 10 is a sectional view taken along the line C-C of fig. 9.

Fig. 11 is a schematic top view of the lifting and rotating unit structure of the present invention.

Figure 12 is a schematic view of the crane track of the present invention.

Fig. 13 is a schematic view of the mounting position of the second limit switch of the present invention.

FIG. 14 is a schematic top view of the control unit of the present invention.

Fig. 15 is a perspective view of the structure of the walking unit and the lifting and rotating unit of the present invention.

FIG. 16 is a schematic view of a storage rack according to an embodiment of the present invention.

Fig. 17 is a perspective view of the interior of a protective containment door in accordance with one embodiment of the present invention.

Fig. 18 is an enlarged view of fig. 6 at a.

Description of reference numerals: 1 supporting a frame; 2, locking the base; 3 a first limiting seat; 4 storing the frame body; 5 a second limiting seat; 6 side mounting plate; 7, fixing screws; 8, mounting a plate; 9 a main body frame; 10 travelling wheels; 11 short shaft fixing seats; 12, limiting wheels; 13 an anti-collision block; 14 a first bevel gear; 141 a third bevel gear; 15 a second bevel gear; 151 a fourth bevel gear; 16 longitudinal rotating shaft fixing seats; 17 a longitudinal rotation shaft; 18 transverse rotating shaft fixing seats; 19 a first sprocket; 191 a second sprocket; 192 a third sprocket; 193 a fourth sprocket; 194 a fifth sprocket; 195 a sixth sprocket; 20 a first chain; 201 a second chain; 202 a third chain; 21 a first hand wheel; 211 a second hand wheel; 22 a tensioning device; 23 transverse rotating shafts; 24 a first commutator; 241 a second commutator; 242 a third commutator; 25 a walking driving motor; 26 lifting the frame body; 27 a threaded seat; 28 lifting frame rails; 29 laser sensor; 30 a tensioning seat plate; 31 a lifter; 32 a lifting drive motor; 33 a guide pulley; 34 guiding the sliding rod; 35 shaft end positioning seats; 36 lifting and lowering the rotating shaft; 37 rotating the booster; 371 slot holder; 372 a handle; 373 an indexing disk; 38 a first limit switch; 381 second limit switch; 39 a control panel; 40 audible and visual alarm; 41 an electric control box; 42 a sensing switch; 43 a housing; a 44 skeleton; 46 a second reducer; 47 a first drive shaft; 48 a second drive shaft; 49 driving the telescopic rod; 50 a middle seam rubber strip groove; 51 sealing rubber strips; 52 positioning the column; 53, positioning plates; 54 a lock sleeve; 55 a latch head; 56 latching the operational port; 57 mandrel bar.

Detailed Description

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. The various examples are provided by way of explanation of the invention, and not limitation of the invention. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit thereof. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and equivalents thereof.

In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected," "connected," and "disposed" as used herein are intended to be broadly construed, and may include, for example, fixed and removable connections; can be directly connected or indirectly connected through intermediate components; the connection may be a wired electrical connection, a wireless electrical connection, or a wireless communication signal connection, and a person skilled in the art can understand the specific meaning of the above terms according to specific situations.

One or more examples of the invention are illustrated in the accompanying drawings. The detailed description uses numerical and letter designations to refer to features in the drawings. Like or similar designations in the drawings and description have been used to refer to like or similar parts of the invention. As used herein, the terms "first," "second," "third," and "fourth," etc. may be used interchangeably to distinguish one component from another and are not intended to indicate the position or importance of an individual component.

As shown in fig. 1 to 18, according to an embodiment of the present invention, there is provided a reversible horizontal sliding foldable protective airtight door system for use with a door frame for sealing a lighting shaft or a ventilation shaft, the protective airtight door comprising: a protective airtight door; the storage rack is used for storing the protective airtight door; the positioning columns 52 are arranged on two sides of the protective airtight door, and the positioning columns 52 are used for positioning the installation position of the protective airtight door on the door frame; and the locking mechanism is arranged in the protective airtight door and is used for fixing the protective airtight door on the door frame.

Preferably, the door frame includes: the support frame 1 and a plurality of fixed units, a plurality of fixed units are located in proper order on support frame 1. The fixing unit comprises a locking seat 2 and a first limiting seat 3, when the protective airtight door is installed on the door frame, the protective airtight door is parallel to the horizontal plane, a positioning column 52 is placed in the first limiting seat 3, a locking groove is formed in the locking seat 2, and the locking seat 2 is used for locking the protective airtight door to prevent the protective airtight door from shifting; the width of the protective airtight door is larger than the width of a door opening of the door frame; preferably, the locking seat 2 and the first limit seat 3 are connected with the support frame 1 by bolts.

Preferably, the quantity of shutting seat 2 in every fixed unit is 4, and the quantity of first spacing seat 3 in every fixed unit is 2, and the upper end of door frame is located to first spacing seat 3 symmetry, and the first spacing seat 3 of every side all is located between two shutting seats 2, and the both ends of protective sealed door are blocked through shutting seat 2, make protective sealed door's installation more stable.

Preferably, the protective airtight door comprises a shell 43, a framework 44 and a locking mechanism, wherein the locking mechanism and the framework 44 are arranged in the shell 43; the locking mechanism comprises two third commutators 242, a second speed reducer 46, a first transmission shaft 47, two second transmission shafts 48 and a transmission telescopic rod 49, wherein the second speed reducer 46 comprises an input end and two output ends, one end of the shell 43 is provided with a locking operation port 56, one end of the first transmission shaft 47 is connected with the input end of the second speed reducer 46, and the other end of the first transmission shaft 47 extends out of the locking operation port 56; the third commutator 242 comprises an input end and two output ends, one ends of the two second transmission shafts 48 are respectively connected with the two output ends of the second reducer 46, and the other ends of the two second transmission shafts 48 are respectively connected with the input ends of the two third commutators 242; the two ends of the outer shell 43 are both provided with lock sleeves 54, the input end of the transmission telescopic rod 49 is connected with the output end of the third commutator 242, the output end of the transmission telescopic rod 49 is connected with a locking head 55, and when the transmission telescopic rod 49 extends, the locking head 55 can extend out of the lock sleeves 54 and enter the locking seat 2.

The end part of the positioning column 52 is provided with a positioning hole, the shape of the other end of the axis rod 57 is matched with that of the positioning hole, the axis rod 57 can extend into the positioning hole to be connected with the positioning column 52, and the axis rod 57 can drive the positioning column 52 to rotate when rotating; a positioning plate 53 is further arranged on the positioning column 52, a spigot is arranged on the positioning plate 53, the spigot is horizontally downward when the positioning plate 53 is placed on the storage rack, and the spigot is vertically towards the storage rack when the positioning plate 53 is arranged on the door frame; preferably, of the two transmission telescopic rods 49 connected to the same third reverser 242, the length of the telescopic rod close to the locking operation port 56 is shorter than that of the other transmission telescopic rod 49; preferably, a center joint adhesive tape groove 50 is formed in the side wall of the shell 43, and a sealing adhesive tape 51 is arranged on the center joint adhesive tape groove 50; preferably, the positioning hole is a square hole, and the square hole can drive the positioning column 52 to rotate by matching with the square rod of the axle rod 57.

Storage rack for deposit protective air-tight door, the storage rack includes: a storage frame body 4, a plurality of second limit seats 5 and a sensing switch 42; the second limiting seats 5 are symmetrically arranged at the upper ends of the two opposite side walls of the storage frame body 4, when the protective airtight door is placed on the storage frame, the protective airtight door is vertical to the horizontal plane, and the positioning columns 52 are positioned in the second limiting seats 5; the sensing switches 42 are arranged on the outer wall of the storage frame body 4, one sensing switch 42 is arranged below each second limiting seat 5, the upper end of each sensing switch 42 is a detection end, and when the positioning column 52 is placed in the second limiting seat 5, the positioning column 52 is in contact with the detection end of the sensing switch 42 and triggers the sensing switch 42; the upper end of the storage frame body 4 is of an open structure, and one end, close to the door frame, of the storage frame body 4 is of an open structure.

When the transfer mechanism is used, the transfer mechanism is matched with the transfer mechanism for use, and the specific structure of the transfer mechanism is as follows:

the transfer mechanism comprises a main body frame 9, a walking unit, a lifting rotating unit and a control unit. The walking unit and the lifting rotation unit are arranged on the main body frame 9, the main body frame 9 moves on the main track through the walking unit, and the lifting or overturning protective airtight door is realized through the lifting rotation unit. The control unit is arranged on the main body frame 9 and is used for controlling the walking unit and the lifting and rotating unit. Preferably, the top end of the main body frame 9 is provided with an upper mounting plate 8, the side surface of the main body frame 9 is provided with a side mounting plate 6, the side mounting plate 6 is connected with the main body frame 9 through a fixing screw 7, and the control unit can enable an operator to quickly and conveniently control the walking unit and the lifting and rotating unit.

The walking unit comprises walking wheels 10, a short shaft fixing seat 11, a limiting wheel 12, an anti-collision block 13, a first bevel gear 14, a second bevel gear 15, a third bevel gear 141, a fourth bevel gear 151, a longitudinal rotating shaft fixing seat 16, a longitudinal rotating shaft 17, a transverse rotating shaft fixing seat 18, a first chain wheel 19, a second chain wheel 191, a first chain 20, a second chain 201, a transverse rotating shaft 23, a first commutator 24 and a walking driving motor 25; main body frame 9 is the portal frame, and the bottom of main body frame 9 is located through minor axis fixing base 11 symmetry to walking wheel 10, moves on the primary rail through walking wheel 10. The walking driving motor 25 and the first commutator 24 are both arranged at the upper end of the main body frame 9, the first commutator 24 comprises an input end and two output ends, and the output end of the walking driving motor 25 is connected with the input end of the first commutator 24; the upper end of the main body frame 9 is symmetrically provided with transverse rotating shaft fixing seats 18, the transverse rotating shaft fixing seats 18 are used for fixing transverse rotating shafts 23, and the transverse rotating shafts 23 can rotate on the transverse rotating shaft fixing seats 18; the transverse rotating shaft 23 is provided with a first bevel gear 14, when the transverse rotating shaft 23 rotates, the first bevel gear 14 can rotate along with the transverse rotating shaft, and one end of the transverse rotating shaft 23 is connected with the output end of the first commutator 24; longitudinal rotating shaft fixing seats 16 are symmetrically arranged on the main body frame 9, the longitudinal rotating shaft fixing seats 16 are used for fixing the longitudinal rotating shafts 17 to be connected, the longitudinal rotating shafts 17 can rotate on the longitudinal rotating shaft fixing seats 16, one ends of the longitudinal rotating shafts 17 penetrate through the transverse rotating shaft fixing seats 18, second bevel gears 15 are arranged at the ends of the longitudinal rotating shafts 17, which penetrate through the transverse rotating shaft fixing seats 18, the first bevel gears 14 are meshed with the second bevel gears 15, and the first bevel gears 14 can drive the second bevel gears 15 to rotate when rotating; the fourth bevel gear 151 is arranged on the main body frame 9 through the short shaft fixing seat 11, the vertical height of the fourth bevel gear 151 is higher than that of the traveling wheels 10, the fourth bevel gear 151 can rotate on the short shaft fixing seat 11, the third bevel gear 141 is arranged at the other end of the longitudinal rotating shaft 17, the third bevel gear 141 is meshed with the fourth bevel gear 151, and the fourth bevel gear 151 can be driven to rotate when the third bevel gear 141 rotates; the first chain wheel 19 and the fourth bevel gear 151 are coaxially arranged, when the fourth bevel gear 151 rotates, the first chain wheel 19 rotates along with the fourth bevel gear, the second chain wheel 191 and the walking wheel 10 are coaxially arranged, the first chain wheel 19 and the second chain wheel 191 are connected through the second chain 201, and the walking driving motor 25 can drive the walking wheel 10 to move on the main track when working.

The machine body part is of a cross gantry type structure and consists of a main body frame 9, a side mounting plate 6, an upper mounting plate 8 and a fixing screw 7. The main body frame 9 is a high-strength rectangular steel pipe frame welded body structure, the weight of the protective airtight door can be reliably borne, all mechanical components and electrical components are reasonably installed and fixed on the inner side of the main body frame 9, therefore, the side mounting plates 6 and the upper mounting plates 8 on two symmetrical sides can be conveniently detached, and the panels are fixed on the main body frame 9 through the fixing screws 7.

The structure of the walking part is a bilateral symmetry design, all structural components are symmetrically arranged, the walking driving motor 25 is arranged in the middle of the upper side of the main body frame 9, the first commutator 24 is fixedly arranged at the front end of the walking driving motor, the two ends of the first commutator 24 are connected with the transverse rotating shafts 23, so that the walking driving motor 25 rotates in the forward and reverse directions to drive the transverse rotating shafts 23 at the two ends of the first commutator 24 to rotate in the forward and reverse directions, the transverse rotating shafts 23 are fixed at the upper side of the main body frame 9 through the transverse rotating shaft fixing seats 18, the first bevel gears 14 are arranged at the outer proximal ends of the transverse rotating shafts 23 and are meshed with the second bevel gears 15 fixedly arranged at the upper ends of the longitudinal rotating shafts 17, and therefore, the transverse rotating shafts 23 can drive the longitudinal rotating shafts 17 to rotate together when rotating; the outermost end of the transverse rotating shaft 23 is connected with the first chain wheel 19, a fourth chain wheel 193 for manual driving is fixedly installed on the main body frame 9 through the short shaft fixing seat 11, the fourth chain wheel 193 and the third chain wheel 192 are respectively connected with the first chain 20, and the first hand wheel 21 is connected with the fourth chain wheel 193 fixed on the main body frame 9, so that the first hand wheel 21 is driven to drive the first chain 20 to drive, and the rotation of the longitudinal rotating shaft 17 can be realized; the longitudinal rotating shaft 17 is fixed on the main body frame 9 through the longitudinal rotating shaft fixing seat 16, the lower end position of the longitudinal rotating shaft 17 is provided with a third bevel gear 141 which is meshed with a fourth bevel gear 151 coaxially connected with a first chain wheel 19 fixed at the lower end position, four groups of walking wheels 10 are fixed at the bottom of the main body frame 9 through a short shaft fixing seat 11, the outer side of the walking wheel 10 at the front end is coaxially connected with a second chain wheel 191, and a second chain 201 is respectively connected with the first chain wheel 19 and the second chain wheel 191, so that when the longitudinal rotating shaft 17 rotates, the third bevel gear 141 at the lower end drives the fourth bevel gear 151 to rotate, the first chain wheel 19 coaxially connected with the fourth bevel gear 151 also rotates, and then the first chain wheel 19 drives the second chain 201 to drive the walking wheels 10 to rotate. Second chain 201 installation department is provided with overspeed device tensioner 22, an elasticity for adjusting second chain 201, spacing wheel 12 and anticollision piece 13 are being installed to the front end position of walking wheel 10, spacing wheel 12 centre gripping is at orbital both ends, can guarantee like this that walking wheel 10 can not break away from the track, both ends around anticollision piece 13 is installed, a safety for protecting terminal surface around the whole mechanism, whole transport mechanism designs into and spanes portal frame structure, protection airtight door can realize transporting and installing in transport mechanism's inboard like this, most machinery, the structure inboard at main body frame 9 is all rationally installed to electrical component, in practical application, still be equipped with operation platform, operating personnel can stand on platform operating device's operation.

The tensioning device further comprises a third chain wheel 192, a fourth chain wheel 193, a first tensioning seat plate 30 and a first hand wheel 21, the third chain wheel 192 is arranged at the other end of the transverse rotating shaft 23, the first tensioning seat plate 30 is arranged on the main body frame, the first tensioning seat plate 30 is provided with a screw adjusting end, the first tensioning seat plate 30 can vertically move on the main body frame by rotating the screw adjusting end, the fourth chain wheel 193 is installed on the first tensioning seat plate 30 through a short shaft fixing seat 11, the third chain wheel 192 and the fourth chain wheel 193 are connected through a first chain 20, the first tensioning seat plate 30 can tension the first chain 20, and the vertical position of the first tensioning seat 30 can be properly changed according to the loosening condition of the first chain 20.

The axes of the two transverse rotating shafts 23 are located on the same straight line, and the two output ends of the first commutator 24 are located on the same straight line, so that the transverse rotating shafts 23 are arranged in cooperation with the first commutator 24.

Still include overspeed device tensioner 22, overspeed device tensioner 22 is located on the main part frame, and overspeed device tensioner 22 is used for tensioning second chain 201, and overspeed device tensioner 22 can the quick tensioning second chain 201, and because second chain 201 is used for transmitting pivoted power to walking wheel 10, the loose frequency of second chain 201 is the highest, and this problem of overspeed device tensioner 22 can be more convenient solution.

Still include spacing wheel 12, spacing wheel 12 locates main body frame's lower extreme is close to walking wheel 10 department, and spacing wheel 12 centre gripping is in the both ends of primary rail, and spacing wheel 12 can break away from the primary rail for preventing walking wheel 10 to prevented that transport mechanism's whole from empting.

Still include anticollision piece 13, anticollision piece 13 locates the front and back both ends of main body frame bottom, and anticollision piece is used for preventing that transport mechanism and external facilities from producing the collision.

The number of the walking wheels 10 is 4, wherein the two walking wheels 10 positioned at the front end are coaxially provided with a second chain wheel 191, the two walking wheels 10 at the front end are used as driving wheels to drive the two walking wheels 10 at the rear end to move, and the walking wheels 10 can be driven to rotate forwards and backwards in an electric or manual mode, so that the transfer mechanism can horizontally move on a main track at the installation position of the protective airtight door.

The lifting rotating unit comprises a fifth chain wheel 194, a sixth chain wheel 195, a third chain 202, a second hand wheel 211, a second commutator 241, a lifting frame body 26, a threaded seat 27, a lifting frame rail 28, a laser sensor 29, a second tensioning seat plate 30, a lifter 31, a lifting driving motor 32, a guide pulley 33, a guide sliding rod 34, a shaft end positioning seat 35, a threaded lead screw, a lifting rotating shaft 36 and a rotary booster 37; the lifting driving motor 32 and the second commutator 241 are both arranged at the upper end of the main body frame, the second commutator 241 has an input end and two output ends, the output end of the driving motor is connected with the input end of the second commutator 241, and one end of the lifting rotating shaft 36 is connected with the output end of the second commutator 241; mounting grooves are formed in the two sides of the main body frame, the lifting frame body 26 and the lifting frame rail 28 are both arranged in the mounting grooves, the lifting frame body 26 is connected with the lifting frame rail 28 in a sliding mode, and the lifting frame body 26 can vertically slide along the lifting frame rail 28; the upper end of the main body frame is symmetrically provided with a lifter 31, a first input end of the lifter 31 is connected with the other end of the lifting rotating shaft 36, the output end of the lifter 31 is provided with a threaded screw rod, and the rotating direction of the threaded screw rod can be changed by changing the rotating direction of the lifting rotating shaft 36; the upper end of the lifting frame body 26 is provided with a threaded seat 27, a threaded lead screw is connected with the threaded seat 27, and when the threaded lead screw rotates, the lifting frame body 26 can move along the vertical direction; one side of the bottom end of the lifting frame body 26 is provided with a groove support 371, and the groove support 371 is used for bearing positioning columns 52 on two sides of the protective airtight door; the rotary booster 37 is arranged on one side, far away from the groove support 371, of the lifting frame body 26, the rotary booster 37 comprises a handle 372, a guide sliding rod 34, an axis rod 57 and an indexing disc 373, the indexing disc 373 is inserted into the lifting frame body 26 through the guide sliding rod 34, one end of the axis rod 57 penetrates through the indexing disc 373 to be connected with the handle 372, the other end of the axis rod 57 can be connected with the positioning column 52, and when the axis rod 57 is connected with the positioning column 52, the rotary handle 372 can drive the protective airtight door to rotate; the elevator 31 further comprises a second input end, a fifth chain wheel 194 is arranged at the second input end of the elevator 31, a second tensioning seat plate 30 is arranged on the main body frame, the second tensioning seat plate 30 is provided with a screw adjusting end, the second tensioning seat plate 30 can vertically move on the main body frame by rotating the screw adjusting end, a sixth chain wheel 195 is arranged on the second tensioning seat plate 30 through a short shaft fixing seat 11, and the fifth chain wheel 194 and the sixth chain wheel 195 are connected through a third chain 202; the laser sensor 29 is arranged on the inner wall of the main body frame, and the laser sensor 29 is used for measuring the vertical height and the turning state of the protective airtight door; preferably, the device further comprises a first speed reducer, the handle 372 is connected with the input end of the first speed reducer, and the output end of the first speed reducer is connected with the shaft center rod 57; preferably, the positioning device further comprises a positioning rod, a first opening is formed in the index plate 373, a second opening is formed in the handle 372, and the positioning rod can simultaneously extend into the first opening and the second opening, so that the handle 372 is limited from rotating relative to the index plate 373; preferably, the first speed reducer is a planetary speed reducer, and the speed reduction ratio of the first speed reducer is 1: 4; preferably, the number of laser sensors 29 is 3; preferably, the groove holder 371 is a U-shaped groove holder; preferably, guide pulleys 33 are symmetrically arranged on two sides of the lifting frame body 26; preferably, the guide pulley 33 includes a first pulley and a second pulley, the rotation directions of which are perpendicular to each other, and the number of the first pulley and the second pulley is 4; preferably, the crane rail 28 is provided with a shaft end positioning seat 35, the shaft end positioning seat 35 is arranged below the threaded screw rod, and the bottom end of the threaded screw rod is connected with the shaft end positioning seat 35.

The lifting and rotating unit is also designed to be bilaterally symmetrical, the lifting and driving motor 32 is installed at the middle part of the upper side of the main body frame, the second reverser 241 is installed and fixed at the rear end of the lifting and rotating unit, the two ends of the second reverser 241 are connected with the lifting and rotating shaft 36, the lifters 31 are respectively installed at the two ends of the upper side of the main body frame, the lower side of the lifter 31 is provided with a threaded lead screw, one side connecting shaft of the lifter 31 is connected with the lifting and rotating shaft 36, the forward and reverse rotation of the lifting and rotating shaft 36 can drive the threaded lead screw at the lower side of the lifter 31 to rotate forward and reverse, the other side connecting shaft of the lifter 31 is connected with the fifth chain wheel 194, the sixth chain wheel 195 for manual driving is installed and fixed on the second tensioning seat plate 30 connected with the main body frame 9 through the short shaft fixing seat 11, the fifth chain wheel 194 and the sixth chain wheel 195 are both connected with the third chain 202, the second chain wheel 211 is connected with the sixth chain wheel 195, thus, the second hand wheel 211 is driven to drive the third chain 202 to transmit, the rotation of the threaded screw rod at the lower side of the lifter 31 can be realized, the short shaft fixing seat 11 and the tensioning seat plate 30 can move up and down under the action of the adjusting bolt, and thus, the sixth chain wheel 195 can be driven to move together to adjust the tightness of the third chain 202;

the crane rail 28 is fixed in the middle of the stressed supporting rectangular tube on two sides of the main body frame 9, the shaft end positioning seat 35 is installed at the upper end position of the crane rail 28, the guide pulleys 33 are installed on two sides of the crane body 26, the crane body 26 and the guide pulleys 33 on the two sides are all embedded inside the crane rail 28, the threaded seat 27 is fixedly installed at the upper end of the crane body 26, the threaded lead screw on the lower side of the elevator 31 is connected with the threaded seat 27, the bottom end of the threaded lead screw is fixed on the shaft end positioning seat 35 on the lower side of the threaded lead screw, and therefore, along with the forward and reverse rotation of the threaded lead screw, the crane body 26 can be driven by the thread transmission force to move up and down on the inner side of the crane rail 28.

The rotary booster 37 is arranged at the lower end of the lifting frame body 26, a guide slide bar 34 is also arranged at the lower end of the lifting frame body 26, the rotary booster 37 can move back and forth on the guide slide bar 34, the rotary booster 37 comprises a rotary handle 372 and a limiting index plate 373, the inner side of the bottom end of the lifting frame body 26 is of a U-shaped groove bracket type structure and is used for supporting positioning columns 52 at two ends of the protective airtight door, when a rotating shaft of the protective airtight door is fixed in the U-shaped groove, the rotary booster 37 is pushed, an axis rod 57 of the rotary booster is connected with a rotating shaft of the protective airtight door, and thus the protective airtight door can be rotated to be in a horizontal state by rotating the rotary handle 372, a threaded screw rod of the lifter 31 is driven to rotate, the lifting frame body 26 is driven to be lifted upwards, and the protective airtight door is also lifted; in order to accurately position the installation position of the protective airtight door, three groups of laser sensors 29 are installed on the inner side of the lifting and rotating device, and the lifting height of the protective airtight door and the horizontal state of the protective airtight door are respectively controlled.

The control unit comprises a first limit switch 38, a second limit switch 381, a control panel 39, an audible and visual alarm 40 and an electric control box 41; the electric control box 41 is arranged at the upper end of the main body frame 9, and the control panel 39 is arranged at one side of the main body frame 9; the first limit switches 38 are symmetrically arranged on the main body frame 9 and close to the travelling wheels 10, the number of the second limit switches 381 is at least two, the two second limit switches 381 are respectively arranged at the upper part and the lower part of the lifting frame track 28, the first limit switches 38 are used for limiting the distance of the transfer mechanism on the main track, and the second limit switches 381 are used for limiting the vertical height of the protective airtight door; the acousto-optic alarm 40 is arranged at the upper end of the main body frame 9; the electric control box 41 is electrically connected with the first limit switch 38, the second limit switch 381, the control panel 39 and the acousto-optic alarm 40; preferably, the device also comprises a cable drag chain, the cable drag chain is connected with the main body frame 9, the cable drag chain can move along with the main body frame 9, and an external power supply supplies power to the control box through the cable drag chain; preferably, the number of the acousto-optic alarms 40 is 2, and two acousto-optic alarms 40 are symmetrically provided on the upper end of the main body frame 9.

The last design of transport mechanism has electronic control panel 39, can realize intelligent controlling, all is provided with first limit switch 38 or second limit switch 381 on transport mechanism's the walking unit, the lift rotation unit and on transport mechanism's the fuselage, can realize the accurate location that transport mechanism removed and the safety protection when operating.

The upper end at main body frame 9 is fixed in the installation of electrical control box 41, can move along with the transport mechanism, control panel 39 is installed in this one side of operation platform, make things convenient for the whole operation of operating personnel control, the first limit switch 38 of position is used for guaranteeing whole transport mechanism front and back stroke around the walking wheel 10, lift rotating device upper and lower position department second limit switch 381 is the lift scope that is used for guaranteeing lift support body 26, the comparatively obvious position of both sides upper end at main body frame 9 is installed respectively to reputation siren 40, need start reputation siren 40 before the operating device operation and carry out the safe alarm suggestion, when the maloperation, reputation siren 40 also can be opened the prompt.

The walking unit can be controlled electrically or manually, when the walking driving motor 25 rotates forward and backward, the rotating torque is transmitted to the transverse rotating shaft 23 through the first reverser 24, the first bevel gear 14 at the shaft end of the transverse rotating shaft 23 is in meshing transmission with the second bevel gear 15 at the upper end of the longitudinal rotating shaft 17, so that the longitudinal rotating shaft 17 rotates forward and backward, then the third bevel gear 141 at the lower end of the longitudinal rotating shaft is in meshing transmission with the fourth bevel gear 151 which is fixed at the bottom and coaxial with the first chain wheel 19, the first chain wheel 19 realizes the forward and backward rotation, and the force is transmitted to the walking wheel 10 at the bottom through the second chain 201 connected with the first chain wheel, so that the forward and backward horizontal movement of the whole machine body is finally realized. When the hand-driven walking device is driven manually, the first hand wheel 21 is rotated, and force is transmitted to the transverse rotating shaft 23 connected with the third chain wheel 192 through the fourth chain wheel 193 and the first chain 20, so that the force can be transmitted.

The lifting rotation unit can also be controlled electrically or manually, when the lifting driving motor 32 rotates forward and backward, the rotation torque is transmitted to the lifting rotation shaft 36 through the second reverser 241, the lifting rotation shaft 36 transmits the torque to the lifter 31, so that the threaded screw rod on the lower side of the lifter is rotated, and the lifting frame body 26 is driven to move up and down at the same time, when the lifting rotation unit is driven manually, the second hand wheel 211 is rotated, and the force is transmitted to the lifter 31 connected with the fifth chain wheel 194 at the upper end through the sixth chain wheel 195 and the third chain 202, so that the force transmission can be realized. The lifting rotating unit is being installed to transport mechanism's bilateral symmetry, and the accessible is electronic or this lifting rotating unit's of manual drive lifting motion, draws out protective airtight door body from the storage rack, and reuse handle 372 drive rotatory booster is rotatory to the horizontality with protective airtight door body, carries appointed mounted position department with protective airtight door body at last, and the installation that falls to the position.

When the shafts at the two ends of the protective airtight door are fixed in the U-shaped grooves of the lifting frame body 26, the rotary booster 37 is pushed, the shaft center rod 57 of the rotary booster 37 is connected with the positioning columns 52 at the two ends of the protective airtight door, the handle 372 of the rotary booster 37 is rotated to realize the axial rotation of the protective airtight door, and finally the protective airtight door is fixed in the horizontal position.

The whole plugging structure is formed by assembling a plurality of independent protective airtight doors, and each protective airtight door is of a steel beam plate structure. Aiming at the characteristic of horizontal arrangement, the locking mechanism of the protective airtight door adopts a built-in bolt type locking mechanism. The locking mechanism of the protective airtight door comprises a lock sleeve 54 which is hidden inside an inner door plate, a locking head 55, a connecting rod, a third reverser 242, a second reducer 46, a transmission rod, a locking operation port 56, a locking seat 2 which is arranged on a door frame and the like. An operator stands on the channel to swing the locking control handle 372 to rotate the second speed reducer 46 for locking, and the four locks at the four corners of the protective airtight door are simultaneously extended or retracted, so that the locking or unlocking operation of the protective airtight door is realized, and the operation is easy and convenient. The middle parts of two sides of each protective airtight door are respectively provided with a horizontal positioning column 52 which is positioned at the same axis and passes through the gravity center of the protective airtight door, the two sides of the positioning shaft close to the door plate side are also provided with a positioning plate 53 with a spigot, the spigot is uniformly horizontal leftwards when the door plate is installed, and the spigot is uniformly downwards when stacked. Every corresponding door plant mounted position at the door frame sets up assorted positioning seat with it, and the reference column 52 of every airtight door leaf both sides of protection falls into corresponding constant head tank on the door frame respectively during the installation, guarantees that every airtight door leaf of protection installs appointed accurate position, avoids the airtight effect that piece and interblock installation deviation accumulation influence whole door frame shutoff. The storage rack of the protective airtight door is arranged on the side of the horizontal plugging hole and is formed by welding steel structures, and the width of the storage rack is slightly larger than that of the protective airtight door. Each protective airtight door is provided with a corresponding limiting supporting frame, and the limiting supporting frame is similar to an installation positioning mechanism on the door frame. At ordinary times, the protective airtight door is turned over and fixedly stored in the storage rack in a side-standing shape. The positioning columns 52 on the two sides of the protective airtight door fall into the limiting seats on the storage rack, and the positioning plates 53 on the positioning columns 52 on the two sides of the protective airtight door are horizontally downward in the seam allowance and fall on the supporting surface of the storage rack, so that the protective airtight door is prevented from toppling and being stacked firmly and safely. The end part of the positioning column 52 in the middle of the two sides of each protective airtight door is provided with a square hole through which the protective airtight door can be smoothly turned over, so that the protective airtight door is changed from a horizontal state to a side-standing state or from the side-standing state to the horizontal state. The sensing switch 42 is correspondingly arranged below the limiting seat of the storage rack, and the storage state of the protective airtight door can be monitored.

The invention is used in cooperation with a transfer mechanism.

In order to realize the rapid purpose of peacetime and wartime conversion, the three functions of protection, sealing, transferring and stacking are independently formed by a door frame, a protection sealing door, a transferring mechanism and a storage rack.

The door plate is composed of a plurality of protective airtight doors, and is horizontally arranged on a door frame of the opening in wartime, so that the airtight sealing cover of the horizontal opening is realized, the effect of blast waves of bombs or nuclear bombs in wartime is resisted, and the invasion of harmful gases or substances is blocked. The storage rack is usually stored in a storage rack at the side of the opening, and the storage rack is turned over to be stored in a side-standing state, so that the storage space is saved, the stacking is firm and safe, and anti-toppling safety measures are taken.

The switching operation of opening and closing of the transfer mechanism has electric and manpower functions, the switching operation of electric opening or closing of the transfer mechanism can be realized, manpower switching can be realized when power supply is abnormal or electric equipment fails, and peacetime switching of the protective airtight door can be smoothly completed under the condition of pure manpower. The interior of the transfer mechanism is respectively provided with a walking driving motor 25 and a lifting driving motor 32 for providing electric power, the operation side of the transfer trolley (transfer mechanism) is also provided with a manual operation hand wheel for walking and lifting, the hand wheel is respectively connected with a walking unit and a lifting rotating unit through chains, and manual conversion operation can be implemented under the condition that the power supply is abnormal.

During the in-service use shutoff part is assembled by the independent protective airtight door of polylith and is formed, and the both sides middle part of every protective airtight door respectively sets up a horizontally reference column 52, sets up assorted constant head tank with it at the corresponding mounted position of door frame, and the reference column 52 of every protective airtight door both sides falls into corresponding constant head tank on the door frame respectively during the installation, guarantees that every protective airtight door installs appointed accurate position, avoids piece and interblock installation deviation accumulation to influence the airtight effect of whole door frame shutoff.

Aiming at the characteristic of horizontal arrangement, the locking mechanism of the protective airtight door adopts a built-in bolt type locking mechanism. An operator stands on the channel and shakes the handle 372 to rotate the locking worm gear reducer, so that the four locking heads 55 at the four corners of the protective airtight door can be simultaneously extended or retracted, and the locking or unlocking operation of the protective airtight door for horizontal prevention is realized.

The stacking area of the protective airtight door is arranged on the horizontal plugging wellhead side, and the protective airtight door is turned to be fixedly stacked in a side-standing shape. The door plate storage rack is formed by welding steel structures, and the width of the door plate storage rack is slightly larger than that of the protective airtight door. Each protective airtight door is provided with a corresponding supporting position, and the positioning of the supporting frame is similar to the mounting and positioning mechanism on the door frame.

The main frame 9 of the transfer mechanism is mainly made of square tubes and other profiles through welding, and the main frame 9 is provided with an electric and manual driving mechanism and a related mechanism for bearing a protective airtight door. Enough space is arranged above and in front and at the back of the transfer trolley (transfer mechanism) for bearing the protective airtight door, 90-degree overturning motion of the protective airtight door can be completed in a stacking area, and the protective airtight door is smoothly conveyed to a fixed side-standing stacking position. The transfer trolley (transfer mechanism) is four wheels which move horizontally along the main track in a balanced manner, and the main track is laid on two sides of the mouth of the lighting well or the ventilation well and connected with the door frame and the storage rack. The synchronous drive of main track both sides guarantees the steady transportation of protective airtight door.

The left side and the right side of the transfer mechanism are provided with lifting tracks similar to the lifting tracks of the forklift, and the transfer mechanism comprises channel steel, roller lifting trucks and the like. The synchronous lifting or lowering operation of the two lifters 31 is controlled by a lifting drive motor 32. Open the airtight door position of protection that corresponds with the transport mechanism, the reference column 52 of the airtight door both sides of protection falls into the groove support 371 of lift unit respectively, alright rise the door plant steadily or reduce.

The rotary booster 37 comprises a miniature planetary reducer similar to the function of a dividing head of a machine tool, a handle 372 and an index plate 373. The rotary booster 37 is boosted by a planetary reducer with the reduction ratio of 1:4, so that the protective airtight door can be vertically or horizontally turned by manually shaking for 1 circle just to rotate 90 degrees by aligning the scale marks. In emboliaing the square hole of the reference column 52 tip of protective airtight door with the axle center pole 57 of tilting mechanism during transport protective airtight door, wave handle 372 and can slowly overturn protective airtight door, can fix handle 372 on graduated disk 373 when the upset targets in place to play the effect of upset and fixed protective airtight door.

The protective airtight door with the horizontally arranged hole opening is designed, the protective airtight door is provided with the positioning column 52, the positioning plate 53 with the stop opening and the lateral locking operation port 56 which are matched with the first limiting seat 3 on the door frame and the second limiting seat 5 on the storage rack, so that the protective airtight door has the advantages of accurate installation and positioning, good airtight effect, simple, convenient and quick operation, compact stacking at ordinary times, floor area saving, safety and reliability. The quick transport of especially being applicable to subway station room daylighting well and ventilation shaft department protective airtight door, installation and dismantlement.

In order to realize the rapid transfer and installation of the protective airtight door, the transfer mechanism capable of being manually and electrically controlled is matched, the mechanism can horizontally move on a track of the installation position of the protective airtight door, has a lifting and rotating function, and is convenient for the operations of extraction, axial rotation, installation, position falling and the like of the protective airtight door.

Compared with the prior art, the three functions of protection, sealing, transferring and stacking are respectively and independently composed of a protection sealing door, a transferring mechanism and a storage rack. Every protective airtight door all possesses corresponding protective airtight function, and the transportation of all protective airtight doors is realized electronic or the steady swift transport of manpower by a carrying trolley (transport mechanism) that possesses corresponding function, and stacking of protective airtight door is then realized by the storage rack that is located the district position of stacking. The invention has the advantages of simple design structure, simple manufacturing, mounting and debugging process, compact stacking, small occupied space, small civil construction structure, low cost and quick and reliable peacetime and wartime conversion.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a foldable protection sealing door system that can overturn level slides for use with the door frame cooperation on shutoff lighting shaft or the ventilation shaft, its characterized in that includes:

a protective airtight door;

the storage rack is used for storing the protective airtight door;

the positioning columns are arranged on two sides of the protective airtight door and used for positioning the installation position of the protective airtight door on the door frame;

the locking mechanism is arranged in the protective airtight door and is used for fixing the protective airtight door on the door frame;

the storage rack includes: the storage frame body, the plurality of second limiting seats and the sensing switch are arranged on the storage frame body;

the plurality of second limiting seats are symmetrically arranged at the upper ends of two opposite side walls of the storage frame body, and when the protective airtight door is placed on the storage frame, the protective airtight door is vertical to a horizontal plane and the positioning columns are positioned in the second limiting seats;

the sensing switches are arranged on the outer wall of the storage frame body, one sensing switch is arranged below each second limiting seat, the upper end of each sensing switch is a detection end, and when the positioning column is placed in the second limiting seats, the positioning column is in contact with the detection end of the sensing switch and triggers the sensing switch;

the upper end of the storage frame body is of an open structure, and one end, close to the door frame, of the storage frame body is of an open structure.

2. The reversible, horizontal sliding, folding, protective enclosure door system of claim 1, wherein said door frame comprises: the fixing units are sequentially arranged on the supporting frame;

the fixing unit comprises a locking seat and a first limiting seat, when the protective airtight door is installed on the door frame, the protective airtight door is parallel to a horizontal plane, the positioning column is placed in the first limiting seat, a locking groove is formed in the locking seat, and the locking seat is used for locking the protective airtight door to prevent the protective airtight door from shifting;

the width of the protective airtight door is larger than the width of the door opening of the door frame.

3. The reversible, horizontal-sliding, folding, protective sealing door system of claim 2, wherein said protective sealing door comprises a housing, a frame, and a locking mechanism, said locking mechanism and frame being disposed within said housing;

the locking mechanism comprises two third commutators, a second speed reducer, a first transmission shaft, two second transmission shafts and a transmission telescopic rod, the second speed reducer comprises an input end and two output ends, one end of the shell is provided with a locking operation port, one end of the first transmission shaft is connected with the input end of the second speed reducer, and the other end of the first transmission shaft extends out of the locking operation port;

the third reverser comprises an input end and two output ends, one ends of the two second transmission shafts are respectively connected with the two output ends of the second speed reducer, and the other ends of the two second transmission shafts are respectively connected with the input ends of the two third reversers;

the two ends of the shell are respectively provided with a lock sleeve, the input end of the transmission telescopic rod is connected with the output end of the third commutator, the output end of the transmission telescopic rod is connected with a locking head, and when the transmission telescopic rod extends, the locking head can extend out of the lock sleeve and enter the locking seat;

the end part of the positioning column is provided with a positioning hole.

4. The reversible, horizontally sliding, folding protective enclosure door system of claim 3, further comprising a frame disposed within the enclosure, the frame configured to increase the structural strength of the enclosure.

5. The reversible horizontal sliding folding protective airtight door system of claim 2, wherein said locking seat and said first limiting seat are connected with said supporting frame by bolts;

every the quantity of the shutting seat in the fixed unit is 4, every the quantity of the first spacing seat in the fixed unit is 2, first spacing seat symmetry is located the upper end of door frame, every side first spacing seat all is located two between the shutting seat.

6. The system of claim 3, wherein said drive rods of said two drive rods connected to said third diverter are shorter in length than the other drive rod of said two drive rods connected to said third diverter.

7. The system of claim 4, wherein said housing has a slit groove on a sidewall thereof, and said slit groove has a sealing strip thereon.

8. The system of claim 1, wherein said positioning post further comprises a positioning plate, said positioning plate further comprising a stop.

9. The system of claim 1, wherein the positioning post has a positioning hole at an end thereof, and the positioning hole is a square hole.