CN111121568B - High-safety horizontal anti-explosion tank door body capable of realizing labyrinth sealing and horizontal anti-explosion tank - Google Patents

High-safety horizontal anti-explosion tank door body capable of realizing labyrinth sealing and horizontal anti-explosion tank Download PDF

Info

Publication number
CN111121568B
CN111121568B CN201911276344.4A CN201911276344A CN111121568B CN 111121568 B CN111121568 B CN 111121568B CN 201911276344 A CN201911276344 A CN 201911276344A CN 111121568 B CN111121568 B CN 111121568B
Authority
CN
China
Prior art keywords
explosion
tank
tooth
door
plate
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.)
Active
Application number
CN201911276344.4A
Other languages
Chinese (zh)
Other versions
CN111121568A (en
Inventor
梁荣
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201911276344.4A priority Critical patent/CN111121568B/en
Publication of CN111121568A publication Critical patent/CN111121568A/en
Application granted granted Critical
Publication of CN111121568B publication Critical patent/CN111121568B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B39/00Packaging or storage of ammunition or explosive charges; Safety features thereof; Cartridge belts or bags
    • F42B39/24Shock-absorbing arrangements in packages, e.g. for shock waves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/16Sealings between relatively-moving surfaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B39/00Packaging or storage of ammunition or explosive charges; Safety features thereof; Cartridge belts or bags
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42DBLASTING
    • F42D5/00Safety arrangements
    • F42D5/04Rendering explosive charges harmless, e.g. destroying ammunition; Rendering detonation of explosive charges harmless
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42DBLASTING
    • F42D5/00Safety arrangements
    • F42D5/04Rendering explosive charges harmless, e.g. destroying ammunition; Rendering detonation of explosive charges harmless
    • F42D5/045Detonation-wave absorbing or damping means

Abstract

The utility model provides a can realize the sealed horizontal explosion-proof tank door body of high security of labyrinth and horizontal explosion-proof tank, is provided with the column tooth inlay structure that can realize the sealed function of labyrinth about between the door leaf, jar mouth position be equipped with enclose that the plywood encloses and close the corresponding jar mouth tooth inlay structure of tooth inlay structure, the outside of enclosing the plywood is equipped with the locking of ring closure the lock ring of the door body both can seal the high-pressure gas that the explosion of explosive produced in the explosion-proof tank, also can utilize the labyrinth clearance of tooth inlay structure sealed and explosion-proof tank upper and lower jar wall to set up let out the hole and realize safe step-down and let out the explosion for jar body and jar door form at the inseparable overall structure in the twinkling of an eye of the explosion, have realized the urgent safe explosion-proof in indoor little space.

Description

High-safety horizontal anti-explosion tank door body capable of realizing labyrinth sealing and horizontal anti-explosion tank
Technical Field
The invention relates to a high-safety horizontal anti-explosion tank door body capable of realizing labyrinth sealing and a horizontal anti-explosion tank, and belongs to the technical field of safety anti-explosion equipment.
Background
The explosion-proof tank is an explosion-proof apparatus for temporarily storing and transferring suspected explosive articles. In the process of transferring and temporarily storing suspected explosive substances, if the suspected explosive substances explode, the killing effect of shock waves generated instantly by explosion on the surrounding environment and surrounding personnel can be reduced, and the device is a necessary device for explosion-proof safety inspection departments such as public security, armed police, civil aviation, railways, ports, customs and competition venues.
The existing explosion-proof tank is divided into an open type explosion-proof tank and a closed type explosion-proof tank; at present, the open type explosion-proof tank is applied more, because the suspected explosive substance is exploded to the surrounding environment and is inevitably damaged to a great extent, even secondary damage can be caused to surrounding personnel, the application range of the open type explosion-proof tank is greatly limited, and the open type explosion-proof tank is only suitable for outdoor open lands. Present closed type explosion-proof tank divide into vertical explosion-proof tank and two kinds of types of horizontal explosion-proof tank, all include a jar body and a door body, in the utility model patent of application number 201920495060.5, tank structure is the multilayer formula sandwich structure of the weak burst buffer material of intermediate layer for being equipped with, can be with the piece control that the explosion produced at the internal of jar to can effectively weaken the external leakage of shock wave, but the door body is unreasonable because of structural design, its explosion-proof function is very limited, even blown away because of the impact that can't bear the shock wave that the explosive produced at the internal explosion of jar, there is very big potential safety hazard. And the cover of the existing closed type explosion-proof tank can not effectively realize the sealing effect on high-pressure gas generated by explosion. The existing explosion-proof tank door body has long opening and closing time, is not easy to open and close accurately, and is not beneficial to the rapid evacuation of explosion-removing personnel during explosion removal.
Disclosure of Invention
In order to make up for the defects in the field, the invention provides the jaw-type high-safety horizontal anti-explosion tank door body capable of realizing labyrinth sealing and the horizontal anti-explosion tank, which can effectively absorb shock waves generated in explosion, realize the sealing function of high-pressure gas generated in explosion, provide multiple guarantees for the axial bearing of the anti-explosion tank door, and are easy to realize the automatic opening and closing of the anti-explosion tank door body. The invention is realized by the following technical scheme:
a high-safety horizontal explosion-proof tank door body capable of realizing labyrinth sealing comprises a left door leaf and a right door leaf which are vertically arranged and can be mutually embedded; the left door leaf and the right door leaf respectively comprise a door plate and a vertical column type tooth-embedded structure arranged on the door plate, and the left door leaf and the right door leaf are mutually embedded through respective tooth-embedded structures; the tooth-embedded structure is arranged at the position where the door panels are contacted or close to each other; when the left door leaf and the right door leaf are closed, the vertical surface which is in contact with or close to the left door panel and the right door panel is the middle side surface, on the cross section of the door body, the tooth embedding structure comprises a plurality of teeth and tooth sockets which are arranged on the left door panel and the right door panel in pairs, the tops of the teeth protrude out of the middle side surface in the horizontal direction, and the bottoms of the tooth sockets are recessed in the middle side surface in the horizontal direction; the teeth and the tooth spaces of the left door leaf and the tooth spaces and the teeth of the right door leaf can be matched with each other, so that the left door leaf and the right door leaf are mutually embedded.
Preferably, when the left door leaf and the right door leaf are closed, the contact surface of the left door panel and the right door panel is a middle side surface; the tops of the teeth protrude out of the middle side surface in the horizontal direction, the notches of the tooth sockets are flush with the middle side surface in the horizontal direction, and the teeth and the tooth sockets are distributed on the edges, close to the middle side surface, of the front main plate surface and the rear main plate surface of the door panel; the teeth and the tooth spaces of the left door leaf and the tooth spaces and the teeth of the right door leaf can be matched with each other, so that the left door leaf and the right door leaf are mutually embedded.
As preferred, the left side door leaf with the right side door leaf is still including being used for closely enclosing and closes explosion-proof tank jar mouth and edge the board that encloses that the axial extension of explosion-proof tank set up, enclose and close the board and locate the lateral surface of door plant, and its front end portion with the door plant meets, its rear end portion inboard is equipped with encloses and closes the tooth mosaic structure, enclose and close tooth mosaic structure with locate the mutual gomphosis of jar mouth tooth mosaic structure of explosion-proof tank jar mouth outer fringe, it includes to enclose and close tooth mosaic structure the tooth and the tooth's socket that the interval set up in the axial of explosion-proof tank.
Preferably, on the cross section of a horizontal shaft of the door body, the tooth profile of the column type tooth embedding structure comprises a rectangle, a trapezoid, an involute type and a triangle; and/or on the axial section of the door body, the tooth profile of the enclosing tooth embedding structure comprises a rectangle, a trapezoid, an involute type and a triangle.
Preferably, the door plate and the jaw structure are located on the front side of a plane where a tank opening of the explosion-proof tank body is located in the axial direction.
Preferably, the left door panel sequentially comprises a plurality of vertical plates which are connected end to end from left to right, and the right door panel sequentially comprises a plurality of vertical plates which are connected end to end from right to left; in the axial direction of the explosion-proof tank, a plate with a left side edge positioned behind the right side edge of the explosion-proof tank is a right inclined plate, a plate with a left side edge positioned in front of the right side edge of the explosion-proof tank is a left inclined plate, and the sum of the effective areas of all the left inclined plates of the left door panel is greater than or equal to the sum of the effective areas of all the right inclined plates; the sum of the effective areas of all the right inclined plates of the right door panel is larger than or equal to the sum of the effective areas of all the left inclined plates.
Preferably, the middle side surface is vertically arranged and is perpendicular to the plane of the tank opening; the left door panel and the right door panel are arranged in a left-right symmetrical mode by taking the contact position of the middle side face as an axis; the left door panel sequentially comprises a first plate, a second plate and a third plate which are connected end to end from left to right; the first plate is a right inclined plate, the second plate is perpendicular to the axis of the explosion-proof tank, and the third plate is a left inclined plate; the left side edge of the first plate and the right side edge of the third plate are on the same plane, and the plane is perpendicular to the axis of the explosion-proof tank.
Preferably, the high-safety horizontal anti-explosion tank door body capable of realizing labyrinth sealing further comprises a horizontal limiting and sliding mechanism, the horizontal limiting and sliding mechanism comprises a horizontal limiting and sliding rail fixedly arranged at the upper side and/or the lower side of the tank body, and a horizontal limiting and sliding block matched with the horizontal limiting and sliding rail; the left door leaf and the right door leaf are respectively provided with the horizontal sliding blocks at the positions corresponding to the upper side and/or the lower side of the horizontal limiting sliding rail.
Preferably, the horizontal limiting sliding block is a triangular reinforcing rib plate arranged on the lower side of the enclosing plate; or the horizontal limiting sliding block is a double-layer triangular reinforcing rib plate which is arranged on the lower side of the enclosing plate and is arranged along the axial front and back of the explosion-proof tank.
Preferably, the left door leaf and the right door leaf are provided with extension structures at the edges of the upper sides of the door panels respectively, the extension structures cover or partially cover the upper sides of the surfaces of the enclosing plate, and a pin shaft is arranged between the extension structures and the tank opening so as to realize the rotation of the left door leaf and the right door leaf relative to the tank opening and the opening and closing of the left door leaf and the right door leaf.
Preferably, in a cross section of a horizontal axis of the explosion-proof tank, a thickness of the teeth, a width of the groove body of the tooth groove corresponding to the thickness of the teeth, and a thickness of the groove plate of the tooth groove are greater than or equal to a thickness of the door plate.
The utility model provides a can realize the horizontal explosion-proof tank of high security of labyrinth seal, includes the horizontal tank body of U type and the horizontal explosion-proof tank door body of high security that can realize labyrinth seal with it assorted, the jar mouthful outside of the jar body be equipped with the enclosure of enclosing board closes the corresponding jar mouth tooth mosaic structure of tooth mosaic structure, when left side door leaf and right door leaf are closed mutually, left side door leaf with the tooth and the tooth's socket that enclose of right side door leaf closes the tooth mosaic structure with correspond the mutual gomphosis contact of tooth's socket of jar mouth tooth mosaic structure and the working face of tooth for mutual gomphosis between left side door leaf, right door leaf and the explosion-proof tank jar body.
Preferably, the high-safety horizontal explosion-proof tank capable of realizing labyrinth sealing further comprises a locking ring which is arranged on the circumferential outer side of the tank body and used for locking the door body in a ring manner at the outer part of the enclosing plate when the door body is closed.
Preferably, the tank body comprises an outer tank made of steel and/or composite materials, an inner tank made of steel and/or composite materials and a filling layer positioned between the outer tank and the inner tank; the energy-absorbing and fire-extinguishing tank is characterized in that a plurality of explosion venting holes are formed in the upper side and/or the lower side of the tank wall of the outer tank, and the inner tank of the tank body is composed of a composite material interlayer and energy-absorbing and buffering materials, fire-extinguishing materials and the like filled in the interlayer.
Compared with the prior art, the invention has the advantages that:
1. according to the high-safety horizontal explosion-proof tank door body capable of realizing labyrinth sealing, the working surfaces of the teeth and the tooth grooves of the column type tooth embedding structures of the two door leaves are mutually matched, embedded and contacted to form the tooth embedding nested structure so as to realize embedded connection among the door leaves, axial shock waves generated to the explosion-proof tank door body during explosion in the explosion-proof tank can be effectively borne, the tooth tops of the teeth protrude out of the middle side surface of the door panel, and the groove bottom of the tooth groove protrudes out of the middle side surface of the door panel, so that explosion shock waves generated to the explosion-proof tank door body during explosion of explosives in the explosion-proof tank can be effectively borne; and the jaw nesting structure formed by the column jaw structure on the axial section of the explosion-proof tank has the structural characteristics and functions of labyrinth seal, so that high-pressure gas generated by explosion of explosives in the explosion-proof tank can be effectively sealed, and the pressure reduction and explosion release of the high-pressure gas in the tank can be realized.
2. According to the high-safety horizontal anti-explosion tank door body capable of realizing labyrinth sealing, when the left door plate and the right door plate are in contact, the contact surface is the middle side surface; the tooth tops of the teeth protrude out of the middle side face in the horizontal direction, and the notches of the tooth sockets are flush with the middle side face in the horizontal direction, so that the formed nested tooth-embedding structure is simple, explosion shock waves generated to the explosion-proof tank door body when an explosive in the explosion-proof tank explodes can be effectively borne, the nested route of the nested tooth-embedding structure is similar to a labyrinth, and labyrinth sealing is simply and effectively realized.
3. According to the high-safety horizontal explosion-proof tank door body capable of realizing labyrinth sealing, disclosed by the invention, the door plate is of a multi-section flat plate structure comprising the left inclined plate and the right inclined plate, when an explosive in the explosion-proof tank explodes, axial impact force can be generated on the explosion-proof tank door body along the axial direction of the explosion-proof tank, the axial impact force on the explosion-proof tank door body acts on the left inclined plate and the right inclined plate, and horizontal component force or radial component force in opposite directions can be generated along the horizontal direction. The horizontal component force or the radial component force generated by the left inclined plate and the right inclined plate can be balanced with each other, and even the horizontal component force or the radial component force which enables the two door leaves to be always kept closed can be generated during explosion impact, so that the bearing capacity of the explosion-proof tank on shock waves is further improved structurally, and the safety guarantee of the door body is further improved.
4. According to the high-safety horizontal anti-explosion tank door body capable of realizing labyrinth sealing, the enclosing plate and the tank opening are connected in an embedded mode through the enclosing tooth-embedded structure, the bearing capacity of the anti-explosion tank door body to axial impact force is further enhanced, multiple guarantees are provided for the door body to bear force, the door body of the anti-explosion tank can have anti-explosion performance equal to that of the tank body, the tank body and the door body of the anti-explosion tank form a sealed integral structure, and the tooth-embedded structure between the door leaves and the multi-section flat plate structure of the door plate are added, so that the door body and the tank body can bear and absorb more impact waves at the explosion moment than that of the existing anti-explosion tank with the same specification, and therefore effective safe anti-explosion in a room is achieved; the enclosing plate is enclosed outside the tank opening, so that butt joint and opening and closing of the door leaf are easy to realize; the tooth embedding nested structure formed by the enclosing type tooth embedding structure on the axial section of the explosion-proof tank has the structural characteristics and functions of labyrinth sealing, and can effectively seal high-pressure gas generated by explosion of explosives in the explosion-proof tank and realize decompression explosion venting of the high-pressure gas in the tank.
5. According to the high-safety horizontal anti-explosion tank door body capable of realizing labyrinth sealing, the door plate and the jaw structure are axially positioned on the front side of the plane where the tank opening of the anti-explosion tank body is positioned, the enclosing plate is enclosed outside the tank opening, and external rotation butt joint opening and closing, left-right translation opening and closing and radial translation butt joint opening and closing of the door leaf are easily realized.
6. According to the high-safety horizontal anti-explosion tank door body capable of realizing labyrinth sealing, the door leaves can be opened and closed in a left-right rotating butt joint mode through the hinge pins arranged on the adjacent outer edges of the door leaves and close to the positions of the jaw structures of the door leaves, or the door leaves can be opened and closed in a left-right translation mode through the horizontal limiting sliding mechanisms.
7. The high-safety horizontal anti-explosion tank capable of realizing labyrinth sealing has the advantages that the tank body is of a U-shaped structure, the tank opening part is provided with a tank opening tooth embedding structure corresponding to the enclosing tooth embedding structure of the enclosing plate, a column type tooth embedding structure capable of realizing labyrinth sealing function is arranged between the left door leaf and the right door leaf, the outer side of the enclosing plate is provided with a locking ring for locking the door body in an enclosing mode, high-pressure gas generated by explosion of explosives in the anti-explosion tank can be sealed, safe pressure reduction and explosion release can be realized by utilizing labyrinth gap sealing of the tooth embedding structure and explosion release holes formed in the upper tank wall and the lower tank wall of the anti-explosion tank, the tank body and the tank door form an integral structure which cannot be separated at the moment of explosion, and emergency safe explosion prevention of small indoor space is realized.
The high-safety horizontal explosion-proof tank capable of realizing labyrinth sealing comprises an inner tank and an outer tank, wherein the inner tank is composed of a composite material interlayer and an energy-absorbing buffer material, the outer tank is provided with a plurality of explosion release holes at the upper position and the lower position of the tank wall, the inner tank can effectively absorb shock waves generated by explosion, so that the shock wave energy reaching the explosion release holes is reduced to 20%, the outer tank and the door body are not subjected to any destructive deformation, and the outer tank and the door body can be reused. Not only the bearing capacity of the tank body to the explosive is improved, but also the service life of the outer tank is prolonged.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of a high-safety horizontal explosion-proof tank door body capable of realizing labyrinth sealing, according to the invention;
FIG. 2 is a schematic sectional view of a first embodiment of a high-safety horizontal explosion-proof tank door body capable of realizing labyrinth sealing according to the present invention;
FIG. 3 is a schematic sectional top view showing a first embodiment of a left door leaf of a high-safety horizontal explosion-proof tank door body capable of realizing labyrinth sealing according to the present invention;
FIG. 4 is a schematic sectional top view of a second embodiment of a left door leaf of a high-safety horizontal explosion-proof tank door body capable of realizing labyrinth seal according to the present invention;
FIG. 5 is a schematic sectional top view showing a left door leaf of a high-safety horizontal explosion-proof tank door body capable of realizing labyrinth seal according to a third embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a closed state of a fourth embodiment of the high-safety horizontal explosion-proof tank door body capable of realizing labyrinth sealing according to the present invention;
FIG. 7 is a schematic structural diagram of a fifth embodiment of a high-safety horizontal explosion-proof tank door body capable of realizing labyrinth seal according to the invention in a front view in an opened state;
FIG. 8 is a schematic structural diagram of a fifth embodiment of a high-safety horizontal explosion-proof tank door body capable of realizing labyrinth sealing in a closed state according to the invention in a front view;
fig. 9 is a schematic view of a top view partially in section of one embodiment of the high-safety horizontal explosion-proof tank capable of realizing labyrinth sealing according to the present invention.
The various reference numbers in the figures are listed below:
1-door body;
11-left door leaf;
111-left door panel; 1111 — a first plate; 1112-a second plate; 1113-third plate; 11131-medial flank;
112-jaw structure; 1121-teeth; 1122-tooth slot;
113-enclosing a plywood; 1131, enclosing a tooth embedding structure;
12-right leaf; 121-right door panel; 13-a pin shaft;
14-horizontal limit sliding mechanism; 141-horizontal limit sliding track; 142-horizontal limit sliding block; 143-reinforcing plate;
2, a tank body; 21-outer pot; 211-a tank mouth tooth embedding structure and 212-an explosion venting hole;
3-a locking ring;
and 4, opening and closing the electric cylinder by the lock body.
Detailed Description
In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples.
Example 1
A high-safety horizontal explosion-proof tank door body 1 capable of realizing labyrinth seal is shown in figure 1, and is a schematic front view structure diagram of a first embodiment of the high-safety horizontal explosion-proof tank door body 1 capable of realizing labyrinth seal, wherein the door body 1 comprises a left door leaf 11 and a right door leaf 12 which are mutually embedded; the left door leaf 11 and the right door leaf 12 both comprise a door plate 111 and a jaw structure 112 arranged on the door plate, and the left door leaf 11 and the right door leaf 12 are relatively nested through the respective jaw structures to realize mutual embedding of the left door leaf 11 and the right door leaf 12. The jaw structure 112 is arranged at a position where the door panels are contacted (when the door body 1 is closed, the left door panel 111 and the right door panel 121 can be contacted) or a position where the door panels are close to each other (when the door body 1 is closed, the left door panel 111 and the right door panel 121 are not contacted but are close to each other); when the left door leaf 11 and the right door leaf 12 are closed, the surface with the same vertical surface distance in contact with or close to the left door panel 111 and the right door panel 121 is a middle side surface 11131, on the cross section of the door body 1, the jaw structure 112 includes a plurality of teeth 1121 and tooth sockets 1122 which are arranged in pairs on the left door panel 111 and the right door panel 121, the tops of the teeth 1121 are protruded out of the middle side surface 11131 in the horizontal direction, and the bottoms of the tooth sockets 1122 are recessed in the middle side surface 11131 in the horizontal direction; the teeth and the gullet of the left door leaf 111 and the gullet and the teeth of the right door leaf 121 can be matched with each other so that the left door leaf 111 and the right door leaf 121 are embedded with each other.
Preferably, when the left door leaf 11 and the right door leaf 12 are closed, the surface of the left door panel 111 contacting with the right door panel 121 is a middle side surface 11131; the jaw structure 112 includes at least one tooth 1121 and at least one tooth slot 1122; the teeth 1121 are vertically arranged on one main plate surface of the door panel 111, the tops of the teeth 1121 protrude out of the middle side surface of the door panel 111 in the horizontal direction, the tooth sockets 1122 are vertically arranged on the other main plate surface of the door panel 111, and the notches of the tooth sockets 1122 are flush with the middle side surface of the door panel 111 in the horizontal direction; the teeth 1121 and the tooth slots 1122 are distributed on the edges of the front main plate surface and the rear main plate surface of the door panel close to the middle side surface at intervals in the horizontal direction; the teeth 1121 and 1122 of the left door leaf 11 and the teeth of the adjacent right door leaf 12 can be mutually matched and mutually embedded. According to the high-safety horizontal anti-explosion tank door body 1 capable of realizing labyrinth sealing, the left door leaf 11 and the right door leaf 12 are mutually matched through the respective tooth-embedded structures to form the tooth-embedded nested structure so as to realize the embedding of the two, the axial shock wave generated on the anti-explosion tank door body 1 during the explosion in the anti-explosion tank can be effectively borne, the tooth tops of the teeth 1121 protrude out of the inner side edge of the door plate 111, the notch of the tooth socket 1122 is flush with the inner side edge of the door plate 111, as shown in fig. 3, the nested route of the formed tooth-embedded nested structure is similar to a labyrinth, the labyrinth sealing is realized, the larger axial explosion shock force can be borne, and when the tooth-embedded structure is fully distributed at the contact part of the door plate, the high-pressure shock wave and high-pressure gas generated by the explosion in the anti-explosion tank can be effectively sealed, and the high-pressure gas can be prevented from directly escaping.
Preferably, the door leaf 11 further includes an enclosing plate 113 for closely enclosing the tank opening of the explosion-proof tank and extending along the axial direction of the explosion-proof tank, the enclosing plate 113 is disposed on the outer side surface of the door plate 111 and the front end portion of the outer side surface of the door plate 111 is connected to the door plate 111, an enclosing tooth embedding structure 1131 for closely embedding the tank opening tooth embedding structure 211 of the tank body of the explosion-proof tank is disposed on the inner side of the rear end portion of the enclosing plate 113, the enclosing tooth embedding structure 1131 is embedded with the tank opening tooth embedding structure 211 disposed on the outer edge of the tank opening of the explosion-proof tank, and the enclosing tooth embedding structure 1131 includes teeth and tooth grooves which are disposed at intervals in the axial direction of the explosion-proof tank. The bearing capacity of the door body 1 of the explosion-proof tank to axial shock waves is further enhanced, multiple guarantees are provided for the stress of the door body 1, the door body 1 of the explosion-proof tank can have the same anti-explosion performance as the tank body 2, the tank body 1 and the door body 2 of the explosion-proof tank form a sealed integral structure, and effective safe anti-explosion in a room can be realized; and enclose the plywood 113 enclose close in the outside of jar mouth easily realizes that the outside of door leaf 11 is rotatory to be docked to open and shut, is controlled translation and is docked to open and shut and radial translation and dock to open and shut.
Preferably, the size and/or shape of the door leaves may be the same or different.
Preferably, the enclosing tooth embedding structure 1131 includes vertical trapezoidal teeth and vertical trapezoidal grooves which are arranged at intervals in the axial direction of the explosion-proof tank.
Preferably, on the cross section of the door body, the tooth profile of the column type tooth embedding structure comprises a rectangle, a trapezoid, an involute type, a triangle and the like; and/or on the axial section of the door body, the tooth profile of the enclosing tooth embedding structure comprises a rectangle, a trapezoid, an involute type, a triangle and the like.
Preferably, the plane of the part of the enclosing plate 113 connected with the door plate 111 is higher than the plane of the opening of the explosion-proof tank, and the door plate and the jaw structure 112 are located on the front side of the plane of the opening of the explosion-proof tank body 2 in the axial direction.
Preferably, the left door panel 111 and the right door panel 121 are arranged symmetrically with respect to the axis at the position where the middle side surfaces thereof contact; the left door panel 11 sequentially comprises a plurality of vertical plates which are connected end to end from left to right, and the right door panel sequentially comprises a plurality of vertical plates which are connected end to end from right to left; in the axial direction of the explosion-proof tank, a plate with a left side edge positioned behind a right side edge of the explosion-proof tank is a left inclined plate, a plate with a left side edge positioned in front of the right side edge of the explosion-proof tank is a right inclined plate, the sum of the effective areas of all the left inclined plates of the left door plate is smaller than or equal to the sum of the effective areas of all the right inclined plates, and the sum of the effective areas of all the right inclined plates of the right door plate is larger than or equal to the sum of the effective areas of all the left inclined plates; the effective area refers to the area of the door plate, in which the tank opening extends to the inner part of the door plate along the axial direction of the tank opening after the door body is closed, or the area of the door plate, in which an explosive blast is directly borne when an explosive explodes.
Preferably, as shown in fig. 1 to 3, the left door panel 11 includes, from left to right, a first plate 111, a second plate 112 and a third plate 113 which are connected end to end; the first plate 1111 is a left inclined plate, the second plate 112 is perpendicular to the axis of the explosion-proof tank, and the third plate 113 is a right inclined plate; the right door panel and the left door panel are symmetrically arranged. The left edge of the first plate 111 and the right edge of the third plate 113 are on the same plane, and the plane is perpendicular to the axis of the explosion-proof tank, so that the second plate 112 is disposed to be protruded forward of the first plate 111 and the third plate 113.
According to the high-safety horizontal explosion-proof tank door body capable of realizing labyrinth sealing, disclosed by the invention, the door plate is of a multi-section flat plate structure comprising the left inclined plate and the right inclined plate, when an explosive in the explosion-proof tank explodes, axial impact force can be generated on the explosion-proof tank door body along the axial direction of the explosion-proof tank, the axial impact force on the explosion-proof tank door body acts on the left inclined plate and the right inclined plate, and horizontal component force or radial component force in opposite directions can be generated along the horizontal direction. When the effective areas of the first plate 1111 and the third plate 1113 are equal, the generated horizontal component force or radial component force can be balanced with each other, and when the effective area of the first plate 1111 is smaller than the effective area of the third plate 1113, the horizontal component force or radial component force can be generated to enable the two door leaves to be always closed during explosion impact, so that the bearing capacity of the explosion-proof tank on shock waves is further improved structurally, and the safety guarantee of the door body is further improved. Preferably, the high-safety horizontal anti-explosion tank door body capable of realizing labyrinth sealing can also be used for a vertical anti-explosion tank.
Example 2
Preferably, the structural schematic diagram of the second embodiment of the high-safety horizontal explosion-proof tank door body 1 capable of realizing labyrinth seal according to the present invention is different from the first embodiment in that the door panel 111 may be a vertical flat plate as shown in fig. 4.
Example 3
Preferably, the third embodiment of the horizontal explosion-proof tank door 1 with high safety and capable of realizing labyrinth seal according to the present invention is a schematic structural diagram, and unlike the first embodiment, the door panel 111 may be a cambered plate as shown in fig. 5.
Example 4
Preferably, as shown in fig. 6, the high-safety horizontal explosion-proof tank door 1 capable of realizing labyrinth seal according to the present invention is a schematic structural diagram of a closed state of a fourth embodiment of the high-safety horizontal explosion-proof tank door 1 capable of realizing labyrinth seal, and the high-safety horizontal explosion-proof tank door 1 capable of realizing labyrinth seal includes a left door leaf 11 and a right door leaf 12 which are mutually embedded. Different from the first embodiment, the high-safety horizontal explosion-proof tank door body 1 capable of realizing labyrinth sealing in the present embodiment further includes a horizontal limiting and sliding mechanism 14, and the horizontal limiting and sliding mechanism 14 includes a horizontal limiting and sliding rail 141 fixedly arranged at the opposite position of the upper side and the lower side of the tank body 2, and a horizontal limiting and sliding block 142 matched with the horizontal limiting and sliding rail; the horizontal sliding blocks 142 are respectively arranged at the positions of the upper side and/or the lower side of the enclosing plate of the left door leaf 11 and the right door leaf 12 relative to the horizontal limiting sliding track 141.
Preferably, the horizontal limiting sliding block 142 is a triangular reinforcing rib plate 143 disposed on the lower side of the enclosing plate. Preferably, the reinforcing rib plate 143 disposed below each door leaf is a double rib plate structure disposed back and forth along the axial direction of the explosion-proof tank. Compared with a single door, the scheme reduces half of the stroke of opening and closing the explosion-proof tank door, reduces the opening and closing time of the explosion-proof tank door, and improves the survival probability for operators.
Preferably, the thickness of the teeth 1121, the width of the tooth slots 1122 corresponding to the thickness of the teeth 1121, and the thickness of the tooth slots 1122 are greater than or equal to the thickness of the door panel 111.
Example 5
Preferably, as shown in fig. 7-8, the high-safety explosion-proof tank door body 1 capable of realizing labyrinth seal according to the present invention includes a left door leaf 11 and a right door leaf 12 which are embedded with each other, and is a schematic plan view of an open state and a closed state of a fifth embodiment of the high-safety explosion-proof tank door body 1 capable of realizing labyrinth seal according to the present invention. The left door leaf 11 and the right door leaf 12 are provided with extension structures along the upper side edges of the respective door plates, the extension structures cover or partially cover the tank opening, and a pin shaft 13 is arranged between the extension structures and the tank opening so as to realize the rotation of the left door leaf and the right door leaf relative to the tank opening and the opening and closing of the left door leaf and the right door leaf. Namely, the pin shaft 13 arranged at the adjacent outer edge of the pin shaft is close to the position of the jaw structure to realize the opening and closing functions. Compared with a single door, the anti-explosion tank door has the advantages that the structure is simple, half of the opening and closing stroke of the anti-explosion tank door body 1 is reduced, the opening and closing time of the anti-explosion tank door body 1 is shortened, and the survival probability is improved for operators.
Example 6
A high-safety horizontal anti-explosion tank capable of realizing labyrinth sealing is disclosed, as shown in FIG. 9, which comprises a tank body 2 with a U-shaped structure and the high-safety horizontal anti-explosion tank door body 1 which is matched with the tank body 2 and can realize labyrinth sealing, wherein a tank opening tooth embedding structure 211 corresponding to the enclosing tooth embedding structure 1131 of the enclosing plate 112 is arranged on the outer side of a tank opening of the tank body 2. Preferably, the plane where the portion of the enclosing plate 113 in contact with the door panel 111 is located is parallel to and located in front of the plane where the opening of the explosion-proof tank is located.
Preferably, the tank body 2 comprises an outer tank 21 and an inner tank, and further comprises a filling layer between the outer tank 21 and the inner tank; the upper and lower positions of the tank wall of the outer tank 21 are provided with a plurality of explosion venting holes 212, and the inner tank of the tank body 2 is composed of a composite material interlayer and an energy absorption buffer material. The inner tank can effectively absorb shock waves generated by explosion, so that the shock wave energy reaching the explosion venting hole is reduced to 20%, the outer tank 21 and the door body 1 can not deform at all, and the outer tank 21 and the door body 1 can be reused. The bearing capacity of the horizontal explosion-proof tank to the explosive is improved, and the service life of the horizontal explosion-proof tank is prolonged.
Preferably, the high-safety horizontal anti-explosion tank capable of realizing labyrinth sealing further comprises a locking ring 3 which is arranged on the tank body 2 and used for buckling the outside of the enclosing plate when the high-safety horizontal anti-explosion tank door body 1 capable of realizing labyrinth sealing is closed, and the locking ring is used for further enhancing the bearing capacity of the axial or circumferential explosive force of the anti-explosion tank. Preferably, the locking ring is a closed ring 3 capable of moving back and forth along the outer side surface of the tank body 2, and the inner diameter of the locking ring 3 is slightly larger than the outer diameter of the enclosing plate. Preferably, the thickness of the lock ring 3 is greater than the thickness of the door body 1.
Example 7
A high-safety horizontal anti-explosion tank control system capable of realizing labyrinth sealing is used for realizing the automatic anti-explosion function of the high-safety horizontal anti-explosion tank capable of realizing labyrinth sealing, and further comprises an automatic control system, wherein the automatic control system comprises a door body automatic opening and closing locking system and an automatic grabbing system; the automatic door body opening and closing locking system comprises a lock body opening and closing motor and/or a lock body opening and closing electric cylinder, wherein one end of the lock body opening and closing motor and/or the lock body opening and closing electric cylinder is arranged on the circumferential outer surface of the tank body 2, and the other end of the lock body opening and closing motor and/or the lock body opening and closing electric cylinder is arranged on the locking ring 3; the automatic gripping system is used to catch or receive a hazardous material and throw it into the tank 2. Specifically, after the door body automatic opening and closing locking system receives a door body opening signal from an automatic control system, the door body automatic opening and closing locking system controls a lock body opening and closing motor and/or a lock body opening and closing electric cylinder, one end of which is arranged on the circumferential outer side of the tank body 2, and the other end of which is arranged on the locking ring 3 to act, moves the locking ring backwards along the axial direction of the tank body 2 to be separated from the surrounding plate 113, and then starts the door body opening and closing motor and/or the door body opening and closing electric cylinder to open the door body 1; after the door body 1 is opened, dangerous objects captured or received by the automatic capturing system are thrown into the tank body 2, then the door body opening and closing motor and/or the door body opening and closing electric cylinder are started reversely to close the door body 1, and finally the locking ring 3 is pushed forwards to lock the door body 1. Preferably, the automatic gripping system comprises a telescopic luggage rack for receiving the dangerous objects and rack rails, the telescopic luggage rack can be telescopic along the rack rails to enter and exit the tank body 2. This can realize the sealed horizontal explosion-proof jar control system of high security of labyrinth has realized the full automatic operation function of unmanned ization, has further improved explosion-proof security, provides the omnidirectional effective guarantee for people's life safety.
It should be noted that the above-described embodiments may enable those skilled in the art to more fully understand the present invention, but do not limit the present invention in any way. Therefore, although the present invention has been described in detail with reference to the drawings and examples, it will be understood by those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention.

Claims (12)

1. A high-safety horizontal explosion-proof tank door body capable of realizing labyrinth sealing is characterized by comprising a left door leaf and a right door leaf which are vertically arranged and can be mutually embedded; the left door leaf and the right door leaf respectively comprise a door plate and a vertical column type tooth-embedded structure arranged on the door plate, and the left door leaf and the right door leaf are mutually embedded through respective tooth-embedded structures; the tooth-embedded structure is arranged at the position where the door panels are contacted or close to each other; when the left door leaf and the right door leaf are closed, the surfaces which are in contact with or close to the left door panel and the right door panel and have the same vertical surface distance are middle side surfaces, on the cross section of the door body, the tooth embedding structure comprises a plurality of teeth and tooth sockets which are arranged on the left door panel and the right door panel in pairs, the tops of the teeth protrude out of the middle side surfaces in the horizontal direction, and the bottoms of the tooth sockets are recessed in the middle side surfaces in the horizontal direction; the teeth and the tooth spaces of the left door leaf and the tooth spaces and the teeth of the right door leaf can be matched with each other so that the left door leaf and the right door leaf are mutually embedded; the left side door leaf with the right side door leaf is still including being used for closely enclosing and closes explosion-proof tank jar mouth and edge the board that encloses that the axial extension of explosion-proof tank set up, enclose to close the board and locate the lateral surface of door plant, and its preceding tip with the door plant meets, its back tip inboard is equipped with encloses and closes tooth mosaic structure, enclose and close tooth mosaic structure and locate the mutual gomphosis of jar mouth tooth mosaic structure of explosion-proof tank mouth outer fringe, it includes to enclose and close tooth mosaic structure the tooth and the tooth's socket that the interval set up in the axial of explosion-proof tank.
2. The horizontal explosion-proof tank door body with high safety and capable of realizing labyrinth seal according to claim 1, is characterized in that when the left door leaf and the right door leaf are closed, the contact surface of the left door plate and the right door plate is a middle side surface; the tooth tops of the teeth protrude out of the middle side face in the horizontal direction, the notches of the tooth grooves are flush with the middle side face in the horizontal direction, and the teeth and the tooth grooves are distributed on the edges, close to the middle side face, of the front main plate face and the rear main plate face of the door panel where the teeth and the tooth grooves are located.
3. The high-safety horizontal explosion-proof tank door body capable of realizing labyrinth sealing according to claim 2, wherein on the horizontal axis section of the door body, the tooth profile of the column type tooth structure comprises a rectangle, a trapezoid, an involute type and a triangle; and/or on the axial section of the door body, the tooth profile of the enclosing tooth embedding structure comprises a rectangle, a trapezoid, an involute type and a triangle.
4. The high-safety horizontal explosion-proof tank door body capable of realizing labyrinth sealing according to claim 3, wherein the left door panel sequentially comprises a plurality of vertical plates which are connected end to end from left to right, and the right door panel sequentially comprises a plurality of vertical plates which are connected end to end from right to left; in the axial direction of the explosion-proof tank, a vertical plate with a left side edge positioned behind a right side edge of the explosion-proof tank is a right inclined plate, a vertical plate with a left side edge positioned in front of the right side edge of the explosion-proof tank is a left inclined plate, and the sum of effective areas of all the left inclined plates of the left door panel is greater than or equal to the sum of effective areas of all the right inclined plates of the left door panel; the sum of the effective areas of all the right inclined plates of the right door panel is larger than or equal to the sum of the effective areas of all the left inclined plates of the right door panel.
5. The high-safety horizontal explosion-proof tank door body capable of realizing labyrinth sealing according to claim 4, is characterized in that the middle side surface is vertically arranged and is perpendicular to the plane of the tank opening; the left door panel and the right door panel are arranged in a left-right symmetrical mode by taking the contact position of the middle side face as a symmetrical plane; the left door panel sequentially comprises a first plate, a second plate and a third plate which are connected end to end from left to right; the first plate is a right inclined plate, the second plate is perpendicular to the axis of the explosion-proof tank, and the third plate is a left inclined plate; the left side edge of the first plate and the right side edge of the third plate are on the same plane, and the plane is perpendicular to the axis of the explosion-proof tank.
6. The high-safety horizontal anti-explosion tank door body capable of realizing labyrinth sealing according to one of claims 1 to 5, further comprising a horizontal limiting and sliding mechanism, wherein the horizontal limiting and sliding mechanism comprises horizontal limiting and sliding rails fixedly arranged at opposite positions of the upper side and/or the lower side of the anti-explosion tank body, and further comprises a horizontal limiting and sliding block matched with the horizontal limiting and sliding rails; the left door leaf and the right door leaf are respectively provided with the horizontal limiting sliding blocks at the positions corresponding to the upper side and/or the lower side of the horizontal limiting sliding rail.
7. The high-safety horizontal anti-explosion tank door body capable of realizing labyrinth sealing according to claim 6, is characterized in that the horizontal limiting sliding block is a triangular reinforcing rib plate arranged on the lower side of the enclosing plate; or the horizontal limiting sliding block is a double-layer triangular reinforcing rib plate which is arranged on the lower side of the enclosing plate and is arranged along the axial front and back of the explosion-proof tank.
8. The horizontal explosion-proof tank door body with high safety and capable of realizing labyrinth sealing according to one of claims 1 to 5 and 7, wherein the left door leaf and the right door leaf are provided with extension structures at the upper side edges of the respective door panels, the extension structures cover or partially cover the upper sides of the surfaces of the enclosing plate, and a pin shaft is arranged between the extension structures and the tank opening so as to realize the rotation of the left door leaf and the right door leaf relative to the tank opening and the opening and closing of the left door leaf and the right door leaf.
9. The horizontal explosion-proof tank door body capable of realizing labyrinth sealing according to claim 1, wherein in a horizontal axis section of the explosion-proof tank, the thickness of the teeth, the width of the groove body of the tooth groove corresponding to the thickness of the teeth, and the thickness of the groove plate of the tooth groove are greater than or equal to the thickness of the door plate.
10. The high-safety horizontal explosion-proof tank capable of realizing labyrinth sealing is characterized by comprising a U-shaped horizontal tank body and the matched high-safety horizontal explosion-proof tank door body capable of realizing labyrinth sealing according to claim 1, wherein a tank opening tooth embedding structure corresponding to the enclosing tooth embedding structure of the enclosing plate is arranged on the outer side of a tank opening of the tank body, and when the left door leaf and the right door leaf are closed, teeth and tooth grooves of the enclosing tooth embedding structure of the left door leaf and the right door leaf correspond to tooth grooves and tooth working faces of the teeth of the tank opening tooth embedding structure in an embedding contact mode, so that the left door leaf, the right door leaf and the explosion-proof tank body are embedded into each other.
11. The horizontal explosion-proof tank with high safety and capable of realizing labyrinth sealing according to claim 10, further comprising a locking ring arranged at the circumferential outer side of the tank body and used for encircling and locking the door body at the outer part of the enclosing plate when the door body is closed.
12. The labyrinth-seal-capable high-safety horizontal explosion-proof tank as claimed in claim 11, wherein the tank body comprises an outer tank made of steel and/or composite material and an inner tank made of steel and/or composite material, and further comprises a filling layer between the outer tank and the inner tank; the energy-absorbing and fire-extinguishing tank is characterized in that a plurality of explosion venting holes are formed in the upper side and/or the lower side of the tank wall of the outer tank, and the inner tank of the tank body is composed of a composite material interlayer, and an energy-absorbing buffer material and a fire-extinguishing material which are filled in the interlayer.
CN201911276344.4A 2019-12-12 2019-12-12 High-safety horizontal anti-explosion tank door body capable of realizing labyrinth sealing and horizontal anti-explosion tank Active CN111121568B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911276344.4A CN111121568B (en) 2019-12-12 2019-12-12 High-safety horizontal anti-explosion tank door body capable of realizing labyrinth sealing and horizontal anti-explosion tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911276344.4A CN111121568B (en) 2019-12-12 2019-12-12 High-safety horizontal anti-explosion tank door body capable of realizing labyrinth sealing and horizontal anti-explosion tank

Publications (2)

Publication Number Publication Date
CN111121568A CN111121568A (en) 2020-05-08
CN111121568B true CN111121568B (en) 2022-04-19

Family

ID=70499976

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911276344.4A Active CN111121568B (en) 2019-12-12 2019-12-12 High-safety horizontal anti-explosion tank door body capable of realizing labyrinth sealing and horizontal anti-explosion tank

Country Status (1)

Country Link
CN (1) CN111121568B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1213736A (en) * 1997-09-10 1999-04-14 工业设备制造股份公司 Pressure gate
CN2736511Y (en) * 2004-10-12 2005-10-26 上海森林特种钢门有限公司 Steel anti-knocking door
JP2011178428A (en) * 2010-02-26 2011-09-15 Yoshino Kogyosho Co Ltd Explosion-proof container
CN202467517U (en) * 2011-12-13 2012-10-03 沈阳远大铝业工程有限公司 Glass double door vertical hinged door structure
CN205574743U (en) * 2016-02-23 2016-09-14 周家宝 A let out and explode device that is used for buggy storehouse to let out seam broken
CN109470092A (en) * 2018-12-14 2019-03-15 浙江路捷顺汽车制造有限公司 A kind of novel anti-knock container

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1213736A (en) * 1997-09-10 1999-04-14 工业设备制造股份公司 Pressure gate
CN2736511Y (en) * 2004-10-12 2005-10-26 上海森林特种钢门有限公司 Steel anti-knocking door
JP2011178428A (en) * 2010-02-26 2011-09-15 Yoshino Kogyosho Co Ltd Explosion-proof container
CN202467517U (en) * 2011-12-13 2012-10-03 沈阳远大铝业工程有限公司 Glass double door vertical hinged door structure
CN205574743U (en) * 2016-02-23 2016-09-14 周家宝 A let out and explode device that is used for buggy storehouse to let out seam broken
CN109470092A (en) * 2018-12-14 2019-03-15 浙江路捷顺汽车制造有限公司 A kind of novel anti-knock container

Also Published As

Publication number Publication date
CN111121568A (en) 2020-05-08

Similar Documents

Publication Publication Date Title
CN106870943B (en) Light flat strip-wound metal multilayer corrugated sandwich explosion-proof container device
CN101881583B (en) Wheel type armored anti-riot vehicle
CN111121568B (en) High-safety horizontal anti-explosion tank door body capable of realizing labyrinth sealing and horizontal anti-explosion tank
CN212133475U (en) Horizontal explosion-proof tank door body and horizontal explosion-proof tank of high security
CN212126088U (en) Horizontal anti-explosion tank door body capable of realizing labyrinth sealing and horizontal anti-explosion tank
US20130025443A1 (en) Protection grid for hatch
CN111121578A (en) Horizontal explosion-proof tank door body and horizontal explosion-proof tank of high security
CN112829808A (en) Concrete pipe pile transportation equipment with anticollision
CN213179694U (en) Closed safe explosion-proof tank of explosive is dealt with to convenient manual work fast
CN212362998U (en) Horizontal explosion-proof tank
CN103363852B (en) Multifunctional anti-explosion ball
CN110644901A (en) Tunnel protective airtight door
CN201865692U (en) Sealing cabin door of mobile hard body life-saving cabin for mine
US20210115721A1 (en) Methods of emergency opening of manholes in emergency situations, devices and systems for their embodiment and methods of assembling devices for emergency opening of movable elements installed in manholes
EP2304379B1 (en) Armored door for passenger compartment
CN102865021A (en) Movable hard rescue capsule emergency door
CN102192692A (en) Movable closed explosion-proof tank device
KR101618670B1 (en) Dual Sliding Blast proof door with an inner door
RU2257537C1 (en) Container for localization of explosion
CN210346506U (en) Lock structure of anti-explosion container
CN212079083U (en) Shear thickening liquid armor protective structure with self-repairing function
CN103213627B (en) Vehicle-mounted arms protective device
CN106494638A (en) Safe locking device and its system for connecting bridge or the cabin of plugging into of boarding bridge
US20160333608A1 (en) Anti-Bumping Impact Protection Device and Method for Solenoid-Operated Locking Containers
CN105852459B (en) A kind of mechanical high-voltage locking safety cabinet

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant