CN107255011A - A kind of plug-type large span airtight blast door - Google Patents
A kind of plug-type large span airtight blast door Download PDFInfo
- Publication number
- CN107255011A CN107255011A CN201710703775.9A CN201710703775A CN107255011A CN 107255011 A CN107255011 A CN 107255011A CN 201710703775 A CN201710703775 A CN 201710703775A CN 107255011 A CN107255011 A CN 107255011A
- Authority
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- China
- Prior art keywords
- door leaf
- doorframe
- door
- plug
- large span
- 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.)
- Pending
Links
- 238000013519 translation Methods 0.000 claims abstract description 41
- 230000000903 blocking effect Effects 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims description 28
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 238000004873 anchoring Methods 0.000 claims description 3
- 241000333702 Thyridopteryx ephemeraeformis Species 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000005855 radiation Effects 0.000 abstract description 2
- 230000014616 translation Effects 0.000 description 25
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000002390 adhesive tape Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007123 defense Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002575 chemical warfare agent Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/12—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes against air pressure, explosion, or gas
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
- E05C9/06—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with three or more sliding bars
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F11/00—Man-operated mechanisms for operating wings, including those which also operate the fastening
- E05F11/54—Man-operated mechanisms for operating wings, including those which also operate the fastening for doors
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/04—Frames for doors, windows, or the like to be fixed in openings
- E06B1/52—Frames specially adapted for doors
- E06B1/526—Frames specially adapted for doors for door wings that can be set up to open either left or right, outwards or inwards, e.g. provided with grooves for easily detachable hinges or latch plates
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
- E06B3/42—Sliding wings; Details of frames with respect to guiding
- E06B3/46—Horizontally-sliding wings
- E06B3/4636—Horizontally-sliding wings for doors
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention discloses a kind of plug-type large span airtight blast door, including door leaf, mobile device, translation track, blocking device and doorframe, doorframe includes hidden section and closed section, hidden section is arranged in tunnel wall body, closed section is arranged in tunnel, translation track is fixedly installed on the lower frame of doorframe, the bottom of door leaf passes through mobile device and translation track slidable connection, the top of door leaf and the chute slidable connection of the upper inframe of doorframe, blocking device are arranged on door leaf and realize locking with doorframe.A kind of plug-type large span airtight blast door of the present invention is designed using slide rail type, reserved door leaf open and close radiation areas greatly reduce, guarantee has more spaces to be applied for remaining, big door leaf is provided with wicket, and available for usually and wartime connected entrance merges situation about setting, translating device is simple and reliable, it is easy to operate, door leaf is installed in place conveniently, reduces the converting from wartime to peacetime production and vice versa time, stability of the door leaf in different conditions is can ensure that by guider.
Description
Technical field
The present invention relates to people's air defense field, more particularly to a kind of plug-type large span airtight blast door.
Background technology
With the increasing of traffic above-ground pressure, each metropolitan subway construction temperature sustainable growth in the whole nation.Subway is as flat
When alleviate traffic above-ground pressure a kind of important means, can be covered in wartime as the main passage for evacuation and personnel of urban civil air defense
Cover portion.If the need for subway construction has taken into account people's air defence, when estimated nuclear weapon, chemical weapons, conventional weapon are attacked
Under the derivative city disaster after attack, can support personnel and equipment safety, improve the complex protection capability in whole city.
In newly-built subway line, also expanding year by year with large sized commercial center connection requirement, port size is also got over
Come bigger, existing large span airtight blast door is generally double fan horizontal drawing or is Collapsible containment sealed door, both forms
Airtight blast door has relatively broad application, but it has certain defect：
When flat-open type large span airtight blast door is opened and closed, must not have any in the range of the arc space that door leaf is streaked
Permanent installation, it is huge to unobstructed Clearance requirement in front of the door.Usually in corner, or have cannot be used during obstacle in front of the door.
Door has been put into door opening side by collapsible large span airtight blast door after opening, to unobstructed Clearance requirement in front of the door
It is slightly lower, but to door leaf hidden area area requirements also than larger, to be skidded off when facilitating door leaf folded concealed to place and use.
The content of the invention
The purpose of the present invention is that provides a kind of plug-type large span airtight blast door to solve the above problems.
The present invention is achieved through the following technical solutions above-mentioned purpose：
A kind of plug-type large span airtight blast door, including door leaf, mobile device, translation track, blocking device and doorframe,
The doorframe includes hidden section and closed section, and described hidden section is arranged in tunnel wall body, and described closed section is arranged in tunnel,
The translation track is fixedly installed on the lower frame of the doorframe, and the bottom of the door leaf is put down by the mobile device with described
Move track slidable connection, the top of the door leaf and the chute slidable connection of the upper inframe of the doorframe, the locking dress
Put and be arranged on the door leaf and realize locking with the doorframe.
Specifically, the mobile device includes translation wheel, sprocket wheel and handwheel, rotating shaft and the door leaf of the translation wheel
Lower surface is rotatably connected, and the translation wheel is arranged on the translation track, the rotating shaft of the sprocket wheel and the translation wheel
Rotating shaft is fixedly connected, and the side of the handwheel and the door leaf is rotatably connected, and the handwheel passes through transmission with the sprocket wheel
Chain conveyer.
Preferably, the quantity of the translation wheel, the sprocket wheel and the handwheel is multiple, and it is equal that multiple translations are taken turns
The even lower surface for being arranged on the door leaf, the handwheel is correspondingly arranged at the top of the sprocket wheel, plane where the translation wheel
Overlapped with the translation track.
Specifically, the blocking mechanism includes worm speed reducer structure, man-operated mechanism, pivoted arm assembling, guide rod, connecting rod and lock
Head, multiple tapered ends are respectively fixedly disposed at the top and bottom of the door leaf, and the guide rod is horizontally disposed and subtracts with the turbine
Fast mechanism connection, the outer end of multiple connecting rods is connected with the tapered end respectively, and the inner of multiple connecting rods passes through described turn
Arm assembling is connected with the guide rod, and the torque output end of the man-operated mechanism and the torque input of the worm speed reducer structure connect
Connect.
Preferably, the quantity of the tapered end and the connecting rod is 14, and 7 tapered ends are arranged on the upper of the door leaf
Portion edge, in addition 7 tapered ends be correspondingly arranged at the lower edge of the door leaf, 14 connecting rods respectively with the tapered end
Connection, adjusting pad is provided between the lock of the tapered end and the door leaf.
Specifically, the blocking mechanism is arranged on the lateral surface of the door leaf, the upper ledge of the doorframe and the doorframe
Lower frame is provided with lock corresponding with the tapered end.
Specifically, the lower inframe of the doorframe is provided with rail groove, and the translation track passes through pre-buried anchoring screw level
It is anchored in the rail groove.
Further, the sealed door also includes guider, and two guiders are separately positioned on the door leaf
Two ends, the guider includes being oriented to reducing gear, guide link and guiding mechanism, and two guiding mechanisms are set respectively
In the top and bottom of the end face of the door leaf, the guiding reducing gear is fixedly installed on the middle part of the end face of the door leaf,
Two guiding mechanisms are connected by the guide link with the guiding reducing gear.
Specifically, the guiding mechanism includes commutator, T-shaped leading screw, V-type lever and directive wheel, two directive wheels
The two ends with the V-type lever are rotatably connected respectively, and two V-type levers are horizontally disposed with, and its middle-end passes through connecting rod
It is fixedly connected respectively with the door leaf, the commutator is fixedly connected with the door leaf, and the torque input shaft of the commutator
It is fixedly connected with the guide link, the torque output end of the commutator is connected with the torque input of the T-shaped leading screw, institute
The output end of T-shaped leading screw is stated to be rotatably connected with wherein one end of the V-type lever.
Specifically, the V-type lever is located in the rail groove and the chute respectively.
The beneficial effects of the present invention are：
A kind of plug-type large span airtight blast door of the present invention is designed using slide rail type, reserves door leaf open and close radiation area
Domain greatly reduces, it is ensured that have more spaces to be applied for remaining, and translating device is simple and reliable, and easy to operate, door leaf is installed to
Position is convenient, reduces the converting from wartime to peacetime production and vice versa time, stability of the door leaf in different conditions is can ensure that by guider.
Brief description of the drawings
Fig. 1 is a kind of structural representation of plug-type large span airtight blast door of the present invention；
Fig. 2 is a kind of side view of plug-type large span airtight blast door of the present invention；
Fig. 3 is the structural representation of blocking device of the present invention；
Fig. 4 is the schematic perspective view of guider of the present invention；
Fig. 5 is the side view of guider of the present invention；
Fig. 6 is one of working state figure of guider of the present invention；
Fig. 7 is one of working state figure of guider of the present invention.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of plug-type large span airtight blast door of the present invention, including door leaf 20, mobile device 40, translation
Track 60, blocking device 30 and doorframe 10, doorframe 10 include hidden section and closed section, and hidden section is arranged in tunnel wall body, close
Close section to be arranged in tunnel, translation track 60 is fixedly installed on the lower frame of doorframe 10, the bottom of door leaf 20 passes through mobile device
40 fill with the slidable connection of translation track 60, the top of door leaf 20 and the chute slidable connection of the upper inframe of doorframe 10, locking
30 are put to be arranged on door leaf 20 and realize locking with doorframe 10.
Wherein sealed door is using the arrangement form of longitudinal stress up and down, and the structure of door leaf 20 is steel contignation, can bear punching
Ripple load is hit, final load is delivered in both sides doorframe 10 and tunnel wall, door leaf 20 is welded into cross beam skeleton using shaped steel group, interior
Outer steel plate welds integral therewith, with the load that withstands shocks.Load is directly transmitted to doorframe 10 in the top of door leaf 20, and locking is leaned in bottom
First 35 effectively pass to load on doorframe 10.
It is difficult as whole Transporting because this size is big, it is that doorframe 10 is made four sections, upper and lower, left and right each one by this
Section, it is assembled on platform after each section processes, the flatness on the surface of doorframe 10 is controlled with level meter, with positioning after meeting the requirements
Pin and bolt are fitted together, and are supported with interim I-steel and angle steel.Each section is taken apart during transport, is transported to assembled again behind scene
Into an entirety, joint is welded after adjustment, then stile is installed.
As shown in Fig. 2 mobile device 40 includes translation wheel 43, sprocket wheel 42 and handwheel 41, the rotating shaft of translation wheel 43 and door leaf
20 lower surface is rotatably connected, and translation wheel 43 is arranged on translation track 60, the rotating shaft and the rotating shaft of translation wheel 43 of sprocket wheel 42
It is fixedly connected, the side of handwheel 41 and door leaf 20 is rotatably connected, and handwheel 41 is taken turns with sprocket wheel 42 by being driven Chain conveyer, translation
43rd, the quantity of sprocket wheel 42 and handwheel 41 is multiple, the lower surface for being uniformly arranged on door leaf 20 of multiple translation wheels 43, handwheel 41
The top of sprocket wheel 42 is correspondingly arranged at, translation 43 place planes of wheel are overlapped with translation track 60, and the lower inframe of doorframe 10 is provided with
Rail groove, translation track 60 is anchored in rail groove by the pre-buried level of anchoring screw 61.
To ensure that door leaf 20 is steadily mobile, the mobile device 40 of door leaf 20 is slowed down using handwheel 41 and sprocket wheel 42, it is only necessary to 2-3
Individual shakes the handwheel 41 of the mobile device 40 of door leaf 20, then door leaf 20 can be promoted steadily to be moved to specified location, made it have
The light, switch gate that goes slick is laborsaving, the compression adhesive tape of door leaf 20 when translate it is laborsaving, the features such as facilitate.
Assemble 33, guide rod 34 as shown in figure 3, blocking mechanism includes worm speed reducer structure 32, man-operated mechanism 31, pivoted arm, connect
Bar 36 and tapered end 35, multiple tapered ends 35 are respectively fixedly disposed at the top and bottom of door leaf 20, and guide rod 34 is horizontally disposed with and and whirlpool
Wheel reducing gear 32 is connected, and the outer end of multiple connecting rods 36 is connected with tapered end 35 respectively, and the inner of multiple connecting rods 36 passes through pivoted arm group
Fill 33 to be connected with guide rod 34, the torque output end of man-operated mechanism 31 is connected with the torque input of worm speed reducer structure 32, tapered end
35 and the quantity of connecting rod 36 be 14,7 tapered ends 35 are arranged on the top edge of door leaf 20, and 7 correspondences of tapered ends 35 are set in addition
The lower edge in door leaf 20 is put, 14 connecting rods 36 are connected with tapered end 35 respectively, set between the lock and door leaf 20 of tapered end 35
There is adjusting pad, blocking mechanism is arranged on the lateral surface of door leaf 20, and the upper ledge of doorframe 10 and the lower frame of doorframe 10 are provided with and locked
First 35 corresponding lock 11.
By operating the handwheel 41 of man-operated mechanism 31, the above-below direction of tapered end 35 motion of locking is driven.Door leaf 20 is designed
For longitudinal stress, the structure of locking head 35 be mainly above and below arrangement form, man-operated mechanism 31 is located at centre, by reducer of turbodrill and
Connecting rod 36 is unlocked and shut.Locking has following advantage using this mechanism form：
Locking is placed in the outer surface of door leaf 20, is easy to care and maintenance；Light and fast is closed in locking linkage, and a handwheel 41 can
Drive the synchronization action of multiple locking heads 35 on a door leaf 20；When door leaf 20 bears the Dynamic load of nuclear blast effect of positive direction, door
20 stress are fanned than more uniform；
As shown in Figure 4 and Figure 5, sealed door also includes guider 50, and two guiders 50 are separately positioned on door leaf 20
Two ends, guider 50 includes being oriented to reducing gear 51, guide link 52 and guiding mechanism 54, and two guiding mechanisms 54 are distinguished
The top and bottom of the end face of door leaf 20 are arranged on, the middle part that reducing gear 51 is fixedly installed on the end face of door leaf 20, two is oriented to
Individual guiding mechanism 54 is connected by guide link 52 with being oriented to reducing gear 51, and guiding mechanism 54 includes commutator 53, T-shaped leading screw
55th, V-type lever 56 and directive wheel 57, two ends of two directive wheels 57 respectively with V-type lever 56 are rotatably connected, two V-type thick sticks
Bar 56 is horizontally disposed with, and its middle-end is fixedly connected with door leaf 20 respectively by connecting rod 58, and commutator 53 is fixed with door leaf 20 to be connected
Connect, and the torque input shaft of commutator 53 is fixedly connected with guide link 52, the torque output end of commutator 53 and T-shaped leading screw 55
The connection of torque input, the output end of T-shaped leading screw 55 is rotatably connected with wherein one end of V-type lever 56,56 points of V-type lever
Wei Yu not be in rail groove and chute.
By the inner side directive wheel 57 of the both sides of door leaf 20, the distance of door leaf 20 and adhesive tape can be adjusted.
Drive guide link 52 to operate guiding mechanism 54 by being oriented to reducing gear 51 simultaneously, rotated and led by handwheel 41
To the axle of reducing gear 51, by after the deceleration of decelerator by rotation be transferred to above and below at directive wheel 57, by two commutators
The rotation of vertical direction is adjusted to the rotation of horizontal direction after 53 commutation, V-type lever 56 is driven by T-shaped leading screw 55
It is mobile, and then make directive wheel 57 when door leaf 20 is opened and closed in two different states, Fig. 6 is that door leaf 20 is closed
The schematic diagram of state, Fig. 7 is the schematic diagram of the opening of door leaf 20.
Be provided with wicket on door leaf 20, available for usually and wartime connected entrance merge set situation.
Technical scheme is not limited to the limitation of above-mentioned specific embodiment, and every technique according to the invention scheme is done
The technology deformation gone out, each falls within protection scope of the present invention.
Claims (10)
1. a kind of plug-type large span airtight blast door, it is characterised in that：Including door leaf, mobile device, translation track, locking dress
Put and doorframe, the doorframe includes hidden section and closed section, and described hidden section is arranged in tunnel wall body, the closed section of setting
In tunnel, the translation track is fixedly installed on the lower frame of the doorframe, and the bottom of the door leaf passes through the mobile dress
Put with the translation track slidable connection, the chute slidable connection of the upper inframe of the top of the door leaf and the doorframe,
The blocking device is arranged on the door leaf and realizes locking with the doorframe.
2. a kind of plug-type large span airtight blast door according to claim 1, it is characterised in that：The mobile device bag
Translation wheel, sprocket wheel and handwheel are included, the rotating shaft of the translation wheel and the lower surface of the door leaf are rotatably connected, the translation wheel is set
Put on the translation track, the rotating shaft of the sprocket wheel is fixedly connected with the rotating shaft of the translation wheel, the handwheel and the door
The side of fan is rotatably connected, and the handwheel and the sprocket wheel are by being driven Chain conveyer.
3. a kind of plug-type large span airtight blast door according to claim 2, it is characterised in that：The translation wheel, institute
The quantity for stating sprocket wheel and the handwheel is multiple, the lower surface for being uniformly arranged on the door leaf of multiple translation wheels, institute
The top that handwheel is correspondingly arranged at the sprocket wheel is stated, plane where the translation wheel is overlapped with the translation track.
4. a kind of plug-type large span airtight blast door according to claim 1, it is characterised in that：The blocking mechanism bag
Worm speed reducer structure, man-operated mechanism, pivoted arm assembling, guide rod, connecting rod and tapered end are included, multiple tapered ends are respectively fixedly disposed at the door
The top and bottom of fan, the guide rod is horizontally disposed and is connected with the worm speed reducer structure, the outer end point of multiple connecting rods
It is not connected with the tapered end, the inner of multiple connecting rods is connected by pivoted arm assembling with the guide rod, the hand-machine
The torque output end of structure is connected with the torque input of the worm speed reducer structure.
5. a kind of plug-type large span airtight blast door according to claim 4, it is characterised in that：The tapered end and described
The quantity of connecting rod is 14, and 7 tapered ends are arranged on the top edge of the door leaf, and 7 tapered end correspondences are set in addition
The lower edge in the door leaf is put, 14 connecting rods are connected with the tapered end respectively, the lock of the tapered end and the door
Adjusting pad is provided between fan.
6. a kind of plug-type large span airtight blast door according to claim 4, it is characterised in that：The blocking mechanism is set
Put the lateral surface in the door leaf, the lower frame of the upper ledge of the doorframe and the doorframe is provided with lock corresponding with the tapered end
Button.
7. a kind of plug-type large span airtight blast door according to claim 1, it is characterised in that：The lower frame of the doorframe
Rail groove is inside provided with, the translation track is anchored in the rail groove by pre-buried anchoring screw level.
8. a kind of plug-type large span airtight blast door according to claim 7, it is characterised in that：Also include being oriented to dress
Put, two guiders are separately positioned on the two ends of the door leaf, the guider includes being oriented to reducing gear, is oriented to
Connecting rod and guiding mechanism, two guiding mechanisms are separately positioned on the top and bottom of the end face of the door leaf, the guiding
Reducing gear is fixedly installed on the middle part of the end face of the door leaf, two guiding mechanisms by the guide link with it is described
It is oriented to reducing gear connection.
9. a kind of plug-type large span airtight blast door according to claim 8, it is characterised in that：The guiding mechanism bag
Commutator, T-shaped leading screw, V-type lever and directive wheel are included, two ends of two directive wheels respectively with the V-type lever are rotatable
Connection, two V-type levers are horizontally disposed with, and its middle-end is fixedly connected with the door leaf respectively by connecting rod, described to change
It is fixedly connected to device with the door leaf, and the torque input shaft of the commutator is fixedly connected with the guide link, it is described to change
It is connected to the torque output end of device with the torque input of the T-shaped leading screw, the output end of the T-shaped leading screw and the V-type thick stick
Wherein one end of bar is rotatably connected.
10. a kind of plug-type large span airtight blast door according to claim 9, it is characterised in that：The V-type lever point
Wei Yu not be in the rail groove and the chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710703775.9A CN107255011A (en) | 2017-08-16 | 2017-08-16 | A kind of plug-type large span airtight blast door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710703775.9A CN107255011A (en) | 2017-08-16 | 2017-08-16 | A kind of plug-type large span airtight blast door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107255011A true CN107255011A (en) | 2017-10-17 |
Family
ID=60026656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710703775.9A Pending CN107255011A (en) | 2017-08-16 | 2017-08-16 | A kind of plug-type large span airtight blast door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107255011A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612447A (en) * | 2018-06-28 | 2018-10-02 | 鞍山红拖机械制造股份有限公司 | Slidingtype protection airtight plugging plate |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266838A (en) * | 2013-05-21 | 2013-08-28 | 中国人民解放军总参谋部工程兵第四设计研究院 | Threshold-free civil defense door of doorway |
| CN203729825U (en) * | 2014-01-28 | 2014-07-23 | 中国人民解放军总参谋部工程兵第四设计研究院 | Steel structure push-pull protection air tight door |
-
2017
- 2017-08-16 CN CN201710703775.9A patent/CN107255011A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266838A (en) * | 2013-05-21 | 2013-08-28 | 中国人民解放军总参谋部工程兵第四设计研究院 | Threshold-free civil defense door of doorway |
| CN203729825U (en) * | 2014-01-28 | 2014-07-23 | 中国人民解放军总参谋部工程兵第四设计研究院 | Steel structure push-pull protection air tight door |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612447A (en) * | 2018-06-28 | 2018-10-02 | 鞍山红拖机械制造股份有限公司 | Slidingtype protection airtight plugging plate |
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Application publication date: 20171017 |