RU2215108C1 - Device for shutoff of explosion-proof structure aperture - Google Patents

Abstract

FIELD: construction engineering, particularly, equipment of systems of control, monitoring and protection of structures in emergency situations. SUBSTANCE: device has body carrying interconnected covers and drive located out of explosion-proof structure, turning drive. One of covers is made in form of armor plug and hinged to structure internal side. The second hermetic plug is installed on body from side of structure entrance. Turning drive is installed on armor plug and made in form of compensator with spring and plunger connected by means of flexible tie with hermetic plug. Drive has carrying members spaced over body axis and rigidly interconnected by guide with rotating lead screw. Installed on drive is slider made in form of rocker whose arms are rigidly connected with carriage installed along body axis on rollers and rigidly connected with hermetic plug. EFFECT: preserved sealing and structural integrity in case of emergency explosion of various ecologically hazardous objects in structure. 5 cl, 4 dwg

Description

 The invention relates to techniques for protecting the environment from explosive effects, ensuring safety and tight containment in an enclosed volume of explosion products containing high-speed metal fragments and gaseous chemicals.

 Its predominant field of application is the design, manufacture and equipment of control systems, monitoring and emergency protection of structures intended for the localization of explosion products of explosive environmentally hazardous objects. The device can be used to equip them with metal and reinforced concrete localizing devices such as cameras, cabins, boxes and other specialized means of storage and transportation of explosive materials.

 A device for blocking the horizontal opening of a radiation protective chamber (a.s. USSR 1010241, E 06 B 5/10, publ. 07.04.83, BI 13), comprising a camera body, a sliding plate mounted on the body and connected to the drive, and sealing elements located around the perimeter of the frame of the opening. The device is equipped with a door hinged with hinges on the camera body, and the plate is equipped with an earring, each of the door hinges is made in the form of a pivoting bracket with a groove in which the plate's ear is placed, and a slit is made under the bracket in the plate, moreover, on the outer surface doors mounted rollers interacting with the stove.

 The disadvantage of this device is the inability to install it in a vertical plane, since the opening is blocked due to the gravity of the plate, in addition, the device is not intended for explosion-proof structures.

 Closest to the invention in technical essence is a device for installing normalized tanks on openings intended for passage into rooms with increased radioactivity (French standard 2514064, E 06 B 5/18, publ. 08.04.83, BI 14), comprising a housing with interlocking covers installed on it, and mutual communication is provided by a central connecting element together with the drive and the rotary drive. The rotary drive is self-locking and is a combination of a compressed air engine or a pneumatic engine, a lifting spindle and a lever, all of which are located on the outer surface of the housing. The rotary drive is used to rotate the interlocking covers in the direction from the hole into the housing. The covers are mounted in a rotary manner by a rather complicated system of levers.

 The disadvantage of this device is the design complexity, and it is also not suitable for explosion-proof structures.

 The technical task to be solved is the development of a device for blocking the opening of an explosion-proof localizing structure, capable of maintaining tightness and structural integrity in the event of an accidental explosion in the construction of various explosive environmentally hazardous objects, providing mechanized, simultaneous movement of the sealing means and armor protection of the device with one drive to enter the structure or exit him.

 The technical result of this device is reliable, environmentally friendly insulation of explosive devices, as well as the ability to access the structure through the hatch with minimizing the loss of time for control and movement (opening and closing) of protective equipment with one drive.

 The problem is solved in that in the device for blocking the opening of the explosion-proof structure, comprising a housing with interconnected covers installed on it and a drive placed outside the explosion-proof structure, a rotary drive, one of the covers is an armor plate and pivotally mounted on the inside of the structure, and the second is sealing plug and is installed on the housing from the side of the entrance of the structure. The rotary drive is mounted on an armored plug and is made in the form of a compensator with a spring and a plunger connected by a flexible connection to a pressure plug. The drive contains load-bearing elements spaced along the axis of the housing and rigidly connected to each other by a guide with a lead screw that can be rotated; a slider is mounted on it, made in the form of a rocker arm, the shoulders of which are rigidly connected to the carriage mounted along the axis of the housing on the rollers and, in turn, rigidly connected to the pressure plug. The pressure plug is made with a flange, jamming elements are installed on it, and nests for jamming elements are made on the outer diameter of the housing flange. The rollers are located diametrically relative to the axis of the housing on the installation side of the pressure seal. The lead screw is connected either with a reversible electric drive, or with a hydraulic drive, or with a steering wheel. Flexible communication is installed on the rollers available on the armor plate and body.

 The proposed design, interconnected by a flexible coupling of the rotary actuator of the bronze plug and the actuator mounted on the housing, made it possible to block the inlet of the structure from both sides with a fairly simple mechanism and then fix it. The implementation of one of the covers in the form of an armored plug allowed to maintain the structural integrity of the entire structure in the event of blasting, and the pressure plug, in turn, ensures the sealing of the device.

 In FIG. 1 shows a general view of the device in the closed position, FIG. 2 is a top view, FIG. 3 is a section AA, and FIG. 4 is a general view of the device in the open position.

 The device comprises a housing 1, on which, on one side, an armor plug 2 is installed on the loop 3, a compensator 4 with a spring 5 and a plunger 6 is installed on the armor plug 2. The plunger 6 is flexibly connected 7 via flexible couplings 7 through the rollers 8 mounted on the armor plug 2 and on the housing 1, with a sealing plug 9 mounted on the other side of the housing 1. On the outer surface of the housing 1, load-bearing elements 10 are mounted rigidly connected to each other by a guide 11 with a lead screw 12, on which a slider 13 made in the form of a rocker arm is mounted. The lead screw 12 is connected to a reversible electric drive, or a hydraulic actuator (not shown), or to the steering wheel 14, and the shoulders of the slider 13 are rigidly connected to the carriage 15, mounted along the axis of the housing 1 from the outside on the rollers 16, located diametrically on the housing 1 from the sealing plug 9, which, in turn, is rigidly connected to the carriage by the flange 15. The jamming elements 17 are installed on the sealing flange 9, and the nests for the jamming elements are made on the outer diameter of the flange of the housing 1. The complete device is installed in the wall 18 of the closed explosion-proof localizing structure.

 The device operates as follows.

 To access the structure 18, the jamming elements 17 are turned out before they exit the sockets in the flange of the housing 1. Rotating the steering wheel 14 (or other drive) rotates the spindle 12, which translates the slider 13 and the carriage 15 on the rollers 16, which, acting on the associated hermetic plug 9, moves it along the axis of the housing 1 and opens it from the side of the entrance to the structure 18. When moving the hermetic plug 9, rigidly connected by a flexible connection 7 with the plunger 6 of the compensator 4, compresses the spring 5 until the coils are closed, After that upon further movement germozaglushka 9 (the required distance) through flexible connection 7 acts on bronezaglushku 2 rotates around its hinge axis 3, opening device 18 within the structure.

 To close the device, the lead screw 12 rotates in the opposite direction with an actuator (not shown) or a steering wheel 14. The pressure plug 9 returns to its original position under the influence of the movable slide 13 on the spindle 12 and the carriage 15 on the rollers 16, the armor plug 2 is set to its original weight under its own weight, and spring 5, acting on the plunger 6, returns the flexible connection 7 and the plunger 6 to the original position. The jamming elements 17 are screwed into the slots of the flange of the housing 1, as a result of which the housing 1 inside the structure 18 is protected by an armor plug 2, and the outside is sealed with a pressure plug 9 with jamming elements 17.

 The device can be used to equip them with metal and reinforced concrete localizing devices such as cameras, cabins, boxes and other specialized means of storage and transportation of explosive materials.

Claims (5)

 1. A device for closing the opening of an explosion-proof structure, comprising a housing with interconnected covers installed on it and a drive located outside the explosion-proof structure, a rotary drive, characterized in that one of the covers is an armor plug and pivotally mounted on the inside of the structure, and the second is a hermetic plug mounted on the housing from the entrance side of the structure, the rotary drive is mounted on an armor plate and is made in the form of a compensator with a spring and a plunger connected by a flexible coupling with a sealing plug, the drive contains load-bearing elements spaced along the housing axis and rigidly interconnected by a guide with a rotary screw, a slider mounted on it, made in the form of a rocker arm, the shoulders of which are rigidly connected to the carriage mounted along the housing axis on the rollers and rigidly connected to a pressure seal.  2. The device according to claim 1, characterized in that the pressure plug is made with a flange, jamming elements are installed on it, and nests for jamming elements are made on the outer diameter of the housing flange.  3. The device according to p. 1 or 2, characterized in that the rollers are located diametrically relative to the axis of the housing from the installation of the sealing plug.  4. The device according to any one of paragraphs. 1-3, characterized in that the lead screw is connected either with a reversible electric drive, or with a hydraulic actuator, or with a steering wheel.  5. The device according to any one of paragraphs. 1-4, characterized in that the flexible connection is installed on the rollers available on the armor plate and body.

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