CN105822189A - Capsule door applicable to tunnel construction rescue capsule - Google Patents

Capsule door applicable to tunnel construction rescue capsule Download PDF

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Publication number
CN105822189A
CN105822189A CN201610366890.7A CN201610366890A CN105822189A CN 105822189 A CN105822189 A CN 105822189A CN 201610366890 A CN201610366890 A CN 201610366890A CN 105822189 A CN105822189 A CN 105822189A
Authority
CN
China
Prior art keywords
hatch door
door
capsule
survival capsule
applicable
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
Application number
CN201610366890.7A
Other languages
Chinese (zh)
Inventor
苗德海
王伟
杨光
王春梅
韩向阳
陈丹东
李鸣冲
潘登
桑中顺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway Siyuan Survey and Design Group Co Ltd
Original Assignee
China Railway Siyuan Survey and Design Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Railway Siyuan Survey and Design Group Co Ltd filed Critical China Railway Siyuan Survey and Design Group Co Ltd
Priority to CN201610366890.7A priority Critical patent/CN105822189A/en
Publication of CN105822189A publication Critical patent/CN105822189A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00Window 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
    • E06B3/32Arrangements 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
    • E06B3/34Arrangements 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
    • E06B3/36Arrangements 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 with a single vertical axis of rotation at one side of the opening, or swinging through the opening
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B1/00Knobs or handles for wings; Knobs, handles, or press buttons for locks or latches on wings
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00Window 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
    • E06B3/70Door leaves
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00Special arrangements or measures in connection with doors or windows
    • E06B7/28Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F11/00Rescue devices or other safety devices, e.g. safety chambers or escape ways
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00Window 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
    • E06B3/70Door leaves
    • E06B2003/7049Specific panel characteristics

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Pulmonology (AREA)
  • Emergency Management (AREA)
  • Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Abstract

The invention belongs to the field related to tunnel construction support equipment for rescue, and discloses a capsule door applicable to a tunnel construction rescue capsule. The capsule door comprises a capsule door board body, a rotating shaft and latches, and the capsule door board body is hinged to the side wall of the rescue capsule through hinges; the rotating shaft penetrates through the capsule door board body, the end, located outside the rescue capsule, of the rotating rod is fixedly connected with an outside handle, and the end, located inside the rescue capsule, of the rotating rod is fixedly connected with an inside handle; driving rods are fixedly connected to the rotating shaft and located inside the rescue capsule; connecting rods are fixedly connected to the driving rod, and hinge pins are horizontally arranged on the connecting rods. According to the capsule door applicable to the tunnel construction rescue capsule, inside and outside hand wheels of an explosion proof type air-tight door in the prior art are replaced with a single handle opening and closing mode, the handles are rotated to transmit power to a connecting rod mechanism inside the capsule door, the inside handle and the outside handle are rotated directly, and rapid opening and closing are convenient.

Description

A kind of hatch door being applicable to constructing tunnel survival capsule
Technical field
The invention belongs to constructing tunnel rescue corollary equipment association area, more particularly, to a kind of hatch door being applicable to constructing tunnel survival capsule.
Background technology
Capsule door of escape capsule is mounted in the emergency exits of survival capsule two ends and both sides, it is exclusively used in the security protection equipment of constructing tunnel survival capsule, when there is landslide accident, escape personnel needs timely opened door to carry out hedging in entering constructing tunnel survival capsule, after dangerous eliminating, need again in cabin, open hatch door and leave constructing tunnel survival capsule.Equally, rescue personnel also allows for opening easily emergency exits out of my cabin.At present at tunnel survival capsule in constructing tunnel field also in blank, along with the popularization of tunnel survival capsule, hatch door also will obtain wide application prospect.
And in prior art, mainly based on explosion-proof type and air-tightness, in order to be able to bear blast impulse, hatch door heaviness is abundant, structure is complicated, it is difficult to quickly realize inside and outside keying, the most relatively costly, it is impossible to fully meet fast-escape and reduce cost needs.Correspondingly, this area is needed badly to make it and is further improved or perfect, to meet the supporting demand of constructing tunnel rescue system.
Summary of the invention
Disadvantages described above or Improvement requirement for prior art, the invention provides a kind of hatch door being applicable to constructing tunnel survival capsule, its feature combining explosion-proof type life saving cabin door self and structural manufacturing process feature thereof, respective design is applicable to the safety device of constructing tunnel survival capsule, is provided simultaneously with the advantage such as compact conformation, reasonable in design, perfect in shape and function.
For achieving the above object, it is proposed, according to the invention, provide a kind of hatch door being applicable to constructing tunnel survival capsule, it is characterized in that, described survival capsule includes the overall nacelle in body structure, and this nacelle top is circular arc, its disposed outside has outer hull plate, and reinforcement is arranged in internal chiasma;
What described hatch door included being separately positioned on the front and rear end of described nacelle has front door and rear door, and is separately positioned on the emergency exits of described nacelle left and right side;Wherein said front door, rear door, emergency exits are both designed as outward opening structure, and described rear door is mounted by means of bolts on the inside of survival capsule, this rear door is provided with latticed gusset, is additionally provided with the alignment sensor for it performs location positioning simultaneously.
As it is further preferred that for each hatch door, it includes hatch door plate main body, rotating shaft and bolt, wherein: described hatch door plate main body passes through hinge on the sidewall of survival capsule;Described rotating shaft runs through described hatch door plate main body, and this rotating shaft is positioned at the one end outside survival capsule and is fixedly connected with outer handle, and one end that this rotating shaft is positioned within survival capsule is fixedly connected with Internal handle;Also being fixedly connected with drive link in described rotating shaft, this drive link is positioned at survival capsule and is fixedly installed connection support thereon, and described connection support has been horizontally disposed with bearing pin;Described bolt is hinged in described hatch door plate main body by hinge, it includes the first bar portion and the second bar portion, the one end in wherein said first bar portion is fixed together with the one end in described second bar portion, so that described bolt entirety is V-shaped, being additionally provided with strip hole in described first bar portion, on described connection support, horizontally disposed described bearing pin stretches in this strip hole slidably
As further preferably, described reinforcement preferably employs following manner and arranges: before and after described nacelle inside, end face arranges that many angle steel are as reinforcement in the way of horizontal and vertical, arrange that many band steels are as reinforcement at the left and right side horizontal homogeneous within described nacelle, it is evenly arranged many band steels as reinforcement along nacelle length direction in the bottom surface within described nacelle, it is evenly arranged many T-steels as reinforcement along nacelle length direction at the end face within described nacelle, longitudinal direction within nacelle is additionally provided with multi-turn T-steel as reinforcement, this multi-turn T-steel is uniformly distributed along the length direction of described nacelle.
As it is further preferred that it is characterized in that, described hatch door plate main body is preferably additionally provided with observation window.
As it is further preferred that it is characterized in that, described hatch door plate main body is preferably additionally provided with a fence, between described door fence and described hatch door plate main body, is provided with sealing strip.
As it is further preferred that the highly preferred of described front door is designed as not less than 1350mm, width not less than 650mm.
As it is further preferred that the highly preferred of described emergency exits is designed as not less than 750mm, width not less than 550mm.
As it is further preferred that the quantity of described observation window is no less than 1, and its height and width are all preferably designed for not less than 200mm.
In general, by the contemplated above technical scheme of the present invention compared with prior art, following beneficial effect can be obtained: the club hand of the explosion-proof type sealed door of prior art is taken turns and changed single-grip opening/shutting mode into by the present invention, rotated by handle and be delivered to hatch door inner link mechanism, inside and outside handle directly rotates, it is simple to quickly open and close.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the sectional view in Fig. 2 along line A-A;
Fig. 3 is the scattergram of each hatch door on survival capsule.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.As long as just can be mutually combined additionally, technical characteristic involved in each embodiment of invention described below does not constitutes conflict each other.
With reference to Fig. 1~Fig. 3, this survival capsule includes the overall nacelle in body structure, and this nacelle top is circular arc, and its disposed outside has outer hull plate, and reinforcement is arranged in internal chiasma;What described hatch door included being separately positioned on the front and rear end of described nacelle has front door and rear door, and is separately positioned on the emergency exits of described nacelle left and right side;Wherein said front door, rear door, emergency exits are both designed as outward opening structure, and described rear door is mounted by means of bolts on the inside of survival capsule, this rear door is provided with latticed gusset, is additionally provided with the alignment sensor for it performs location positioning simultaneously.
Additionally, for each hatch door, it includes hatch door plate main body 8, rotating shaft, outer handle 3, Internal handle 3, drive link 2, connecting rod 6 and bolt 4, and wherein, described hatch door plate main body 8 is hinged on the sidewall of survival capsule by hinge 10;Preferably, described hatch door plate main body 8 is provided with observation window 1, described hatch door plate main body 8 is provided with a fence 7.It addition, be provided with gusset 5 in described hatch door plate main body 8, to improve the intensity of hatch door plate main body 8;Described rotating shaft runs through described hatch door plate main body 8, and it is positioned at the described outer handle 3 of the fixing connection in the one end outside survival capsule, and it is positioned at, and the one end within survival capsule is fixing connects described Internal handle 3;In described rotating shaft, also the described drive link 2 of fixing connection and described drive link 2 are positioned at survival capsule;On described drive link 2, the described connecting rod 6 of fixing connection, described connecting rod 6 has been horizontally disposed with bearing pin;Described bolt 4 is hinged in described hatch door plate main body 8 by hinge, it includes the first bar portion and the second bar portion, the one end in described first bar portion is fixed together with the one end in the second bar portion, so that described bolt 4 is overall V-shaped, strip hole it is provided with, in the bearing pin on described connecting rod 6 stretches into the strip hole in described first bar portion and can slide in described strip hole in described first bar portion.
Additionally, often fan hatch door can include one piece of hatch door plate main body 8, the interior outside of hatch door plate main body 8 is respectively provided with inside and outside handle 3.Inside and outside handle 3 is L-type structure, and coaxially connected.Drive link 2 it is installed with in rotating shaft, drive link 2 drives bolt 4 to open and close by the connecting rod 6 being fixed in hatch door plate main body 8, often it is respectively equipped with connection support inside fan door, connect support and include four connecting rods 6, and these four connecting rods 6 are in rectangular layout, connecting rod 6 controls three bolts 4 respectively around, and upper and lower strut 6 controls a bolt 4 respectively, is connected by drive link 2 and realize synchronizing between connecting rod 6.So, rotate outer handle 3 or Internal handle 3, then power successively through drive link 2, drive link 2 transmission to connecting rod 6, connecting rod 6 transmission, to bolt 4, makes drive link 2 move up and down, and then drives locking bolt 4 to rotate, and can realize opening and closing of hatch door.Preferably, it is provided with sealing strip 9 between described door fence 7 and hatch door plate main body 8, being formed around sealing strip 9 in hatch door plate main body 8, the setting of multiple locking bolts 4 can ensure that when hatch door plate main body 8 is closed, sealing strip 9 fits tightly with door fence 77, it is ensured that the seal of door is good.
It addition, the quantity of bolt 4 can arrange multiple, the movement so connecting support can drive these bolts 4 to rotate simultaneously.
Present invention incorporates feature and the structural manufacturing process feature thereof of explosion-proof type life saving cabin door self, respective design is applicable to the safety device of constructing tunnel survival capsule, and to its key component such as: handle 3, connecting rod 6 mechanism and hatch door plate main body 8 internal reinforcement framework and concrete set-up mode thereof are studied and are designed, can effectively solve the problems such as structure is complicated, hatch door is heavy, relatively costly accordingly, all the application of constructing tunnel survival capsule can be therefore particularly suitable for fast opening and closing function inside and outside the most also having.
The club hand of the explosion-proof type sealed door of prior art is taken turns and is changed single-grip 3 opening/shutting mode into by the present invention, inside and outside handle is coaxially disposed, front and back two sections of hatch doors remove overall dimensions with both sides hatch door, structure and principle are identical, all it is delivered to hatch door inner link 6 mechanism by handle rotation (front and back survey in hatch door and arrange eight bolts 4, surveying in the hatch door of both sides and arrange four bolts 4, inner handle directly opens and closes maximum 90 degree of angle, it is simple to quickly open and close;
The present invention is in order to reduce hatch door weight and manufacturing cost and maintenance more convenient to install, the steel plate thickness such as the hatch door plate main body 8 of prior art, reinforcement, doorframe are suitably reduced, and carry out structural stress analysis by finite element, on the premise of meeting requirement of strength, by hatch door Weight control in minimum zone, not only effectively reducing manufacturing cost, installation effectiveness is greatly improved;
The present invention manufactures bolt 4 by the way of die sinking, hatch door once batch is sold, the demand of bolt 4 is bigger, by traditional difficult processing to meet volume shipment demand, bolt 4 mass manufactured by die sinking mode is more secure, take a long view, also can reduce cost being effectively improved production efficiency simultaneously.
Conceived by above technology, after survival capsule arranges this hatch door, have the following characteristics that
1) function escape (quick, laborsaving): from integral layout, survival capsule has front door, left and right sides hatch door and rear door.The design of three kinds of hatch doors, consider from functional perspective, it is respectively as follows: front door as main hedging hatch door, left and right sides hatch door is as the hedging hatch door of auxiliary, and two kinds of hatch doors are outward opening, can the inside and outside unlatching in cabin, hedging personnel are facilitated in case of emergency to open, when i.e. there is landslide, the distress personnel having little time escape can enter hedging in survival capsule from the front door near face, and left and right sides hatch door can act also as disperseing the hedging hatch door of hedging artificial abortion simultaneously;Rear side hatch door Main Function has: facilitate rescue run.General hatch door is complicated, it is difficult to quickly realize inside and outside keying.The club hand of the explosion-proof type sealed door of prior art is taken turns and changes single-grip opening/shutting mode into, inside and outside handle is coaxially disposed, front end hatch door and left and right sides hatch door are except overall dimensions, structure and principle are identical, all rotated by handle and be delivered to hatch door inner link mechanism (eight bolts are set inside front door, survey in the hatch door of both sides and four bolts be set), inner handle directly opens and closes maximum 90 degree of angle, it is simple to quickly open and close;Single-grip 90 degree unlatching simultaneously, closedown, the single-grip arm of force is big, it is only necessary to less strength can complete the action opened and closed.
2) size, portable construction: front end hatch door be in order to hedging personnel quickly, smoothly enter hedging in survival capsule and set, so considering the basic demand of human engineering in its size, meeting hedging personnel and uprightly can be entered in survival capsule by stair tread.Left and right sides hatch door is auxiliary hedging hatch door, simultaneously takes account of the needs of escape capsule body structural strength, so it is slightly less than front end hatch door in size, hedging personnel need single lower limb to bend over after striding into hatch door to enter again.In order to reduce hatch door weight and manufacturing cost and maintenance more convenient to install, the steel plate thickness such as the hatch door door-plate of prior art, reinforcement, doorframe are suitably reduced, and carry out structural stress analysis by finite element, on the premise of meeting requirement of strength, by hatch door Weight control in minimum zone, not only effectively reducing manufacturing cost, installation effectiveness is greatly improved.
3) convenient rescue: rear side hatch door Main Function has: for convenience of rescue run.Rear door is bolted and is arranged on inside survival capsule, and for ensureing sufficient intensity, rear door is provided with latticed gusset.Rear door is provided with alignment sensor simultaneously, after caving in, external rescue personnel can be by the alignment sensor on rear door, accurately know rear door position, external rescue personnel can use the method squeezing into rescue run pipeline, is directly beaten to rear door by rescue run pipeline, now, in survival capsule, rear door can be dismantled by hedging personnel with instrument in cabin, can directly escape from from rescue run pipeline.
Those skilled in the art is easy to understand; the foregoing is only presently preferred embodiments of the present invention; not in order to limit the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention.

Claims (7)

1. the hatch door being applicable to constructing tunnel survival capsule, it is characterised in that described survival capsule includes the overall nacelle in body structure, and this nacelle top is circular arc, and its disposed outside has outer hull plate, and reinforcement is arranged in internal chiasma;
What described hatch door included being separately positioned on the front and rear end of described nacelle has front door and rear door, and is separately positioned on the emergency exits of described nacelle left and right side;Wherein said front door, rear door, emergency exits are both designed as outward opening structure, and described rear door is mounted by means of bolts on the inside of survival capsule, this rear door is provided with latticed gusset, is additionally provided with the alignment sensor for it performs location positioning simultaneously.
A kind of hatch door being applicable to constructing tunnel survival capsule, it is characterised in that for each hatch door, it includes hatch door plate main body, rotating shaft and bolt, wherein: described hatch door plate main body by hinge on the sidewall of survival capsule;Described rotating shaft runs through described hatch door plate main body, and this rotating shaft is positioned at the one end outside survival capsule and is fixedly connected with outer handle, and one end that this rotating shaft is positioned within survival capsule is fixedly connected with Internal handle;Also being fixedly connected with drive link in described rotating shaft, this drive link is positioned at survival capsule and is fixedly installed connection support thereon, and described connection support has been horizontally disposed with bearing pin;Described bolt is hinged in described hatch door plate main body by hinge, it includes the first bar portion and the second bar portion, the one end in wherein said first bar portion is fixed together with the one end in described second bar portion, so that described bolt entirety is V-shaped, being additionally provided with strip hole in described first bar portion, on described connection support, horizontally disposed described bearing pin stretches in this strip hole slidably.
A kind of hatch door being applicable to constructing tunnel survival capsule the most according to claim 1 and 2, it is characterised in that it is characterized in that, described hatch door plate main body is preferably additionally provided with observation window.
4. according to a kind of hatch door being applicable to constructing tunnel survival capsule described in claim 1-3 any one, it is characterized in that, it is characterized in that, described hatch door plate main body is preferably additionally provided with a fence, between described door fence and described hatch door plate main body, is provided with sealing strip.
5. according to a kind of hatch door being applicable to constructing tunnel survival capsule described in claim 1-4 any one, it is characterised in that the highly preferred of described front door is designed as not less than 1350mm, width not less than 650mm.
A kind of hatch door being applicable to constructing tunnel survival capsule, it is characterised in that the highly preferred of described emergency exits is designed as not less than 750mm, width not less than 550mm.
A kind of hatch door being applicable to constructing tunnel survival capsule, it is characterised in that the quantity of described observation window is no less than 1, and its height and width are all preferably designed for not less than 200mm.
CN201610366890.7A 2016-05-27 2016-05-27 Capsule door applicable to tunnel construction rescue capsule Pending CN105822189A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610366890.7A CN105822189A (en) 2016-05-27 2016-05-27 Capsule door applicable to tunnel construction rescue capsule

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610366890.7A CN105822189A (en) 2016-05-27 2016-05-27 Capsule door applicable to tunnel construction rescue capsule

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CN105822189A true CN105822189A (en) 2016-08-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111688012A (en) * 2020-07-10 2020-09-22 中铁九局集团有限公司 High-speed railway track slab demolding and transferring device and application thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120005247A (en) * 2010-07-08 2012-01-16 주식회사성산엔지니어링 Fire door of a sealing type for tunnel
CN102493837A (en) * 2011-12-14 2012-06-13 湖南科技大学 Middle and small-sized mining expansion type mobile escape capsule
CN202596777U (en) * 2012-04-26 2012-12-12 浙江工业大学 Multi-sectional type lifesaving cabin for mine
CN204492586U (en) * 2014-12-24 2015-07-22 福建东南造船有限公司 A kind of inner-opening type air tight door peculiar to vessel
CN205778998U (en) * 2016-05-27 2016-12-07 中铁第四勘察设计院集团有限公司 A kind of hatch door being applicable to constructing tunnel survival capsule

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120005247A (en) * 2010-07-08 2012-01-16 주식회사성산엔지니어링 Fire door of a sealing type for tunnel
CN102493837A (en) * 2011-12-14 2012-06-13 湖南科技大学 Middle and small-sized mining expansion type mobile escape capsule
CN202596777U (en) * 2012-04-26 2012-12-12 浙江工业大学 Multi-sectional type lifesaving cabin for mine
CN204492586U (en) * 2014-12-24 2015-07-22 福建东南造船有限公司 A kind of inner-opening type air tight door peculiar to vessel
CN205778998U (en) * 2016-05-27 2016-12-07 中铁第四勘察设计院集团有限公司 A kind of hatch door being applicable to constructing tunnel survival capsule

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111688012A (en) * 2020-07-10 2020-09-22 中铁九局集团有限公司 High-speed railway track slab demolding and transferring device and application thereof

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Application publication date: 20160803