CN217106732U - Push-pull fireproof door for nuclear power station - Google Patents

Abstract

The utility model provides a fire door is prevented to push-and-pull for nuclear power station, above-mentioned fire door is prevented to push-and-pull for nuclear power station is prevented to push-and-pull in the course of the work, and under normal condition, fire door is prevented to push-and-pull for the nuclear power station is in the open mode, is connected with location magnetic path magnetic adsorption after the electromagnetism piece circular telegram, fixes the door plant for the door frame to guarantee the state that two door plants kept away from each other, make fire door is prevented to push-and-pull for the nuclear power station in the open mode. When the smoke detector detects that there is indoor smog, with corresponding signal transfer to controller, after the signal was accepted to the controller, the outage of control electromagnetic block, destroy the relation of being connected with location magnetic path magnetic adsorption after the electromagnetic block circular telegram, each running roller turns into the pulling force of horizontal pulling spliced pole with the gravity of balancing weight, and every counter weight subassembly drive door plant is close to another door plant motion to with two door plant butts together, close the push-and-pull fire door for the nuclear power station. The push-pull fireproof door for the nuclear power station is high in working stability and high in safety performance.

Description

Push-pull fireproof door for nuclear power station

Technical Field

The utility model relates to a prevent fire door field of making, especially relate to fire door is prevented with push-and-pull to nuclear power station.

Background

A fire door is a door that can meet the requirements of fire stability, integrity and thermal insulation within a certain period of time. It is a fire-proof partition with certain fire resistance, which is arranged in fire-proof subareas, evacuation staircases, vertical shafts and the like. The fireproof door has the functions of a common door, has the functions of preventing the fire from spreading and the smoke from diffusing, and can prevent the fire from spreading within a certain time to ensure the evacuation of people. The fire door is an important component in fire-fighting equipment and is an important part in social fire prevention, and a door closer of the fire door or a door closing device which can automatically close a door leaf of a normally open fire door is arranged on the fire door. The fire door is divided into a normally closed fire door and a normally open fire door according to the opening state. Normally closed fireproof door is generally composed of fireproof door leaf, door frame, door closer, sealing strip, etc. and two or more normally closed fireproof doors are also equipped with sequencer. Normally closed fire doors typically do not require the electrical profession to provide an autonomous design.

However, for normally open fire doors, in addition to having all the fittings of a normally closed fire door, a fire door release switch must be added and a self-controlled design must be provided by the electrical profession. Is generally applied to evacuation channels with more people flow. But the operating stability of traditional fire door is normally opened is lower, can not satisfy the market demand.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to be lower to the job stabilization nature of traditional normally opening fire door, can not satisfy the technical problem of market demand, provides a nuclear power station is with push-and-pull fire door.

A fire door is prevented with push-pull to nuclear power station, this fire door is prevented with push-pull to nuclear power station includes: the smoke detector, the controller and the two door leaf mechanisms are arranged on the door frame;

the two door leaf mechanisms are symmetrically arranged; the door leaf mechanism comprises a door frame, a door plate, a counterweight component and an electromagnetic door stopper;

the door frame comprises a frame plate and two sliding plates, wherein the two sliding plates are symmetrically arranged and are connected with one side of the frame plate; the frame plate is provided with a through sliding opening, one surfaces of the two sliding plates, which are close to each other, are provided with sliding ways, and the two sliding ways are communicated with the sliding opening; the sliding opening and the two sliding ways are matched with the door plate, and the door plate is inserted into the sliding opening and the two sliding ways and is in sliding connection with the frame plate and the two sliding plates; one surface of one sliding plate, which is back to the other sliding plate, is provided with a sliding groove, and the sliding groove is communicated with the sliding channel arranged on the sliding plate; the width of the sliding groove is smaller than that of the taxiway; a connecting column is arranged at one end of the door plate, the connecting column is matched with the sliding groove, and the connecting column is partially inserted into the sliding groove and is in sliding connection with the sliding plate;

the counterweight assembly comprises a traction rope, a counterweight block and a plurality of rollers; one end of the traction rope is connected with the balancing weight, the other end of the traction rope is connected with the connecting column, and the traction rope is connected to the rollers; each roller converts the gravity of the balancing weight into a pulling force for pulling the connecting column transversely; each counterweight component drives one door plate to move close to the other door plate;

the electromagnetic door stopper comprises a positioning magnetic block and an electromagnetic block, and the electromagnetic block is connected with the positioning magnetic block in a magnetic adsorption manner after being electrified; the door plate is provided with an accommodating groove, the positioning magnetic block is matched with the accommodating groove, and the positioning magnetic block is accommodated in the accommodating groove and connected with the door plate; the smoke detector is arranged indoors, and the electromagnetic block and the smoke detector are electrically connected with the controller.

In one embodiment, both of the sliding plates are integrally formed with the frame plate.

In one embodiment, the surface of the door frame is coated with a fire-retardant paint.

In one embodiment, the surface of the door panel is coated with a fire-blocking paint.

In one embodiment, the center of the door panel is provided with an insulating space, and the door panel is provided with an insulating board in the insulating space.

In one embodiment, the insulating panel is a vacuum insulating panel.

In one embodiment, the insulation board is an asbestos board.

In one embodiment, the ends of the two door panels close to each other are provided with soft sealing strips.

In one embodiment, the soft sealing strip is a soft rubber strip.

In one embodiment, the soft sealing strip is a soft silicone strip.

Above-mentioned fire door is prevented with push-and-pull in nuclear power station is at the working process, under normal condition, fire door is prevented with push-and-pull in nuclear power station is in the open mode, and electromagnetic block circular telegram back is connected with location magnetic path magnetic adsorption, fixes the door plant for the door frame to guarantee the state that two door plants kept away from each other, make fire door is prevented with push-and-pull in nuclear power station and be in the open mode. When the smoke detector detects that there is indoor smog, with corresponding signal transfer to controller, after the signal was accepted to the controller, the outage of control electromagnetic block, destroy the relation of being connected with location magnetic path magnetic adsorption after the electromagnetic block circular telegram, each running roller turns into the pulling force of horizontal pulling spliced pole with the gravity of balancing weight, and every counter weight subassembly drive door plant is close to another door plant motion to with two door plant butts together, close the push-and-pull fire door for the nuclear power station. The push-pull fireproof door for the nuclear power station is high in working stability and high in safety performance.

Drawings

FIG. 1 is a schematic diagram of a fire rated push-pull door for a nuclear power plant according to one embodiment;

fig. 2 is a partial structural view of a door leaf mechanism in one embodiment.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 to 2 together, the present invention provides a fire door 10 for a nuclear power plant, where the fire door 10 includes: smoke detector (not shown), controller (not shown), and two door leaf mechanisms 100. In this embodiment, the controller is a lower computer. Specifically, the controller is a PLC, and in another embodiment, the controller is a single chip microcomputer. In other embodiments, the controller includes an upper computer and a lower computer, the upper computer being electrically connected to the lower computer.

The two door leaf mechanisms 100 are arranged symmetrically. The door leaf mechanism 100 includes a door frame 110, a door panel 120, a weight assembly 130, and an electromagnetic door stopper 140.

The door frame 110 includes a frame plate 111 and two sliding plates 112, and the two sliding plates 112 are symmetrically disposed and are connected to one side of the frame plate 111. In the present embodiment, the two sliding plates 112 are integrally formed with the frame plate 111 to increase the structural stability of the door frame 110. Further, in one embodiment, the surface of the door frame 110 is coated with a fire-retardant paint to increase the fire-retardant and heat-resistant properties of the door frame 110. The frame plate 111 is provided with a sliding opening 101, the two sliding plates 112 are provided with sliding channels 102 on the surfaces close to each other, and the two sliding channels 102 are communicated with the sliding opening 101. The sliding opening 101 and the two sliding ways 102 are both matched with the door panel 120, and the door panel 120 is inserted into the sliding opening 101 and the two sliding ways 102 and is both connected with the frame plate 111 and the two sliding plates 112 in a sliding manner. In one embodiment, the surface of door panel 120 is coated with a fire-blocking paint to increase the fire-blocking, heat-resistant properties of door panel 120. One side of one sliding plate 112, which faces away from the other sliding plate 112, is provided with a sliding groove 103, and the sliding groove 103 is communicated with a sliding way 102 arranged on the sliding plate 112. The width of the sliding slot 103 is smaller than the width of the taxiway 102. One end of the door panel 120 is provided with a connecting column 121, the connecting column 121 is matched with the sliding groove 103, and the connecting column 121 is partially inserted into the sliding groove 103 and is connected with the sliding plate 112 in a sliding manner.

The weight assembly 130 includes a pulling rope 131, a weight 132 and a plurality of rollers 133. One end of the pulling rope 131 is connected with the counterweight block 132, the other end of the pulling rope 131 is connected with the connecting column 121, and the pulling rope 131 is received on each roller 133. In this embodiment, each roller 133 is disposed on the wall. Each roller 133 converts the gravity of the weight 132 into a pulling force for pulling the connecting column 121 transversely. Each of the weight assemblies 130 drives one door panel 120 to move closer to the other door panel 120. In this embodiment, the weight assembly 130 further includes a sliding track, the sliding track is adapted to the weight block 132, and the weight block 132 is inserted into the sliding track and slidably connected to the sliding track. The sliding track has injectd the slip orbit of balancing weight 132, has avoided balancing weight 132 to sway indefinite, has certain potential safety hazard.

The electromagnetic door stopper 140 includes a positioning magnetic block and an electromagnetic block, and the electromagnetic block is connected to the positioning magnetic block in a magnetic adsorption manner after being electrified. The door panel 120 is provided with an accommodating groove 104, the positioning magnetic block is adapted to the accommodating groove 104, and the positioning magnetic block is accommodated in the accommodating groove 104 and connected to the door panel 120. The smoke detector is arranged indoors, and the electromagnetic block and the smoke detector are electrically connected with the controller. In this embodiment, the electromagnetic block is disposed on a wall.

In order to further increase the heat insulation and heat resistance of the door panel 120, in one embodiment, an insulation space is opened at the center of the door panel 120, and the door panel 120 is provided with an insulation board in the insulation space. In this embodiment, the insulation panel is a vacuum insulation panel. The vacuum heat insulation plate is one of vacuum heat insulation materials, is formed by compounding a filling core material and a vacuum protection surface layer, effectively avoids heat transfer caused by air convection, greatly reduces the heat conductivity coefficient, does not contain any ODS (ozone depleting substances) material, has the characteristics of environmental protection, high efficiency and energy saving, and is the most advanced high-efficiency heat insulation material in the world at present. In another embodiment, the insulating panel is an asbestos panel. Thus, the heat insulation board disposed in the heat insulation space of the door panel 120 further increases the heat insulation and heat resistance of the door panel 120.

When the fireproof push-pull door 10 for a nuclear power plant is closed, the sealing performance of the fireproof push-pull door 10 for a nuclear power plant is increased. In one embodiment, the ends of the two door panels 120 that are adjacent to each other are provided with a soft sealing strip. In this embodiment, the soft seal strip is a soft rubber strip. In another embodiment, the soft sealing strip is a soft silicone strip. Each weight assembly 130 drives one door panel 120 to move close to the other door panel 120, so that the two door panels 120 are abutted together, and when the two door panels 120 are abutted together, the soft sealing strips arranged at the ends of the two door panels 120 close to each other are squeezed together to tightly seal the chamber. In this way, the soft weather strip provided at the end where the two door panels 120 are close to each other increases the sealing performance of the fireproof push-pull door 10 for a nuclear power plant.

Above-mentioned nuclear power station is with fire door 10 is prevented with push-and-pull at the working process, under normal condition, nuclear power station is with fire door 10 is prevented with push-and-pull and is in the open mode, and electromagnetic block circular telegram back is connected with location magnetic path magnetic adsorption, fixes door plant 120 for door frame 110 to guarantee the state that two door plants 120 kept away from each other, make nuclear power station prevent fire door 10 with push-and-pull and be in the open mode. When the smoke detector detects that there is smoke indoors, corresponding signal transmission to controller, after the signal was accepted to the controller, control electromagnetism piece outage, destroy the relation that electromagnetism piece circular telegram back and location magnetic path magnetic adsorption are connected, each running roller 133 turns into the pulling force of horizontal pulling spliced pole 121 with the gravity of balancing weight 132, every counter weight subassembly 130 drive a door plant 120 and be close to another door plant 120 motion to with two door plants 120 butt together, with the nuclear power station with preventing fire door 10 closing of push-and-pull. The push-pull fireproof door 10 for the nuclear power station has high working stability and high safety performance.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A fire door is prevented with push-and-pull to nuclear power station which characterized in that includes: the smoke detector, the controller and the two door leaf mechanisms are arranged on the door frame;

the two door leaf mechanisms are symmetrically arranged; the door leaf mechanism comprises a door frame, a door plate, a counterweight component and an electromagnetic door stopper;

the door frame comprises a frame plate and two sliding plates, wherein the two sliding plates are symmetrically arranged and are connected with one side of the frame plate; the frame plate is provided with a through sliding opening, one surfaces of the two sliding plates, which are close to each other, are provided with sliding ways, and the two sliding ways are communicated with the sliding opening; the sliding opening and the two sliding ways are matched with the door plate, and the door plate is inserted into the sliding opening and the two sliding ways and is in sliding connection with the frame plate and the two sliding plates; one surface of one sliding plate, which is back to the other sliding plate, is provided with a sliding groove, and the sliding groove is communicated with the sliding channel arranged on the sliding plate; the width of the sliding groove is smaller than that of the taxiway; a connecting column is arranged at one end of the door plate, the connecting column is matched with the sliding groove, and the connecting column is partially inserted into the sliding groove and is in sliding connection with the sliding plate;

the counterweight assembly comprises a traction rope, a counterweight block and a plurality of rollers; one end of the traction rope is connected with the balancing weight, the other end of the traction rope is connected with the connecting column, and the traction rope is connected to the rollers; each roller converts the gravity of the balancing weight into a pulling force for pulling the connecting column transversely; each counterweight component drives one door plate to move close to the other door plate;

the electromagnetic door stopper comprises a positioning magnetic block and an electromagnetic block, and the electromagnetic block is connected with the positioning magnetic block in a magnetic adsorption manner after being electrified; the door plate is provided with an accommodating groove, the positioning magnetic block is matched with the accommodating groove, and the positioning magnetic block is accommodated in the accommodating groove and connected with the door plate; the smoke detector is arranged indoors, and the electromagnetic block and the smoke detector are electrically connected with the controller.

2. The fire door of claim 1, wherein both of the sliding plates are integrally formed with the frame plate.

3. The fire door for nuclear power plants as claimed in claim 1, wherein a surface of said door frame is coated with a fire-retardant paint.

4. The fire door for nuclear power plants as recited in claim 1, wherein a surface of the door panel is coated with a fire-retardant paint.

5. The push-pull fireproof door for the nuclear power station as recited in claim 1, wherein a heat insulation space is opened at the center of the door panel, and a heat insulation board is disposed in the heat insulation space of the door panel.

6. The fire door of claim 5, wherein the heat insulation plate is a vacuum heat insulation plate.

7. The fire door for a nuclear power plant as recited in claim 5, wherein the heat insulating plate is an asbestos plate.

8. The push-pull fireproof door for nuclear power plants as claimed in claim 1, wherein a soft sealing strip is provided at each end of the two door panels adjacent to each other.

9. The fire door for a nuclear power plant as recited in claim 8, wherein the soft seal strip is a soft rubber strip.

10. The fire door is characterized in that the soft sealing strip is a soft silicone strip.

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