CN210489294U - Expansion type fireproof protection structure - Google Patents

Abstract

The utility model relates to an expansion type fire prevention protective structure, including the fire prevention shutoff barrel of many strip shapes, many fire prevention shutoff barrels are the interval and distribute side by side, and the upper and lower surface of fire prevention shutoff barrel has wrapped up outer fire prevention cloak and interior fire prevention cloak respectively, outer fire prevention cloak and interior fire prevention cloak between the adjacent group fire prevention shutoff barrel and the tip is sealed up through sewing up or bonding mode respectively all around, wraps up multiunit fire prevention shutoff barrel and forms whole fire prevention cloak in outer fire prevention cloak and interior fire prevention cloak, wraps up the protection cable on the cable. The utility model discloses intumescent fire protection structure has advantages such as the protection is stable, fire behavior is good and resistant time is good.

Description

Expansion type fireproof protection structure

Technical Field

The utility model relates to a fire prevention shutoff technical field specifically is an expansion type fire protection structure.

Background

Cables are widely used as a medium for power transmission and power distribution in control and installation, connection of devices, transmission of electric power, and the like. During the use process of the cable, short circuit or open circuit problems can occur, power communication can be interrupted, and even fire can be caused. When a fire disaster occurs, the inflammable cable in the closed space can become the largest help for fire spreading, and a large amount of toxic gas and smoke dust are generated at the same time, so that the escape of personnel can generate great influence and even become a potential safety hazard.

With the frequent occurrence of fire accidents, people continuously deepen the understanding of the fire hazard of the cable, and the requirement on the fireproof performance of the cable is higher and higher. At present, the fireproof performance of a plurality of cables on the market can not meet the good fireproof requirement, so that the invention is necessary to provide the cable which can still keep a smooth line in a fire scene, ensure that data can have enough time to be transferred to a safe place in the fire scene and simultaneously help people to smoothly escape in a fire.

The applicant develops a cable fireproof coating structure, applies for a patent to the patent office, and discloses that on 2019.02.22 (publication number: CN 208538516U), the cable fireproof coating is a fireproof coating formed by arranging a fireproof coating layer outside a cable and then arranging a plurality of fireproof blocking blocks outside the fireproof coating layer, so as to achieve the purpose of fireproof protection of the cable. Through repeated verification in more than one year, the applicant finds that the cable fireproof coating structure plays a fireproof protection role in the cable to a certain extent, but the fireproof protection role of the cable is still to be improved.

The present application thus provides an improved intumescent fire protection structure for fire protection of cables.

SUMMERY OF THE UTILITY MODEL

The utility model provides an expansion type fireproof protection structure with protection is stable, fire behavior is good.

In order to achieve the above purpose, the following technical solutions are provided.

The utility model provides an expansion type fire prevention protective structure, includes the fire prevention shutoff barrel of many strip shapes, many fire prevention shutoff barrels are the interval and distribute side by side, and the upper and lower surface of fire prevention shutoff barrel has wrapped up outer fire prevention cloak and interior fire prevention cloak respectively, outer fire prevention cloak and interior fire prevention cloak are between adjacent group fire prevention shutoff barrel, and the tip is sealed up through sewing up or bonding mode respectively all around, wraps up multiunit fire prevention shutoff barrel and forms whole fire prevention cloak in outer fire prevention cloak and interior fire prevention cloak, wraps up the protection cable on the cable. The utility model discloses an expansion type fire-proof protective structure, adopt outer fire-proof shawl and interior fire-proof shawl to wrap up the fire-proof shutoff cylinder inside, after the wrapping is finished, the periphery of outer fire-proof shawl and interior fire-proof shawl and between each group of fire-proof shutoff cylinders are all sealed, form the whole fire-proof shawl, is used for winding the protection cable on the cable, the structural arrangement makes outer fire-proof shawl, fire-proof shutoff cylinder and interior fire-proof shawl form three-layer fire-proof protective layer, outer fire-proof shawl can play the first layer of protective action, for the fire situation of lower intensity or temperature, outer fire-proof shawl can fully bear the protective responsibility, and when the intensity of fire is great, and under the longer fire situation, after outer fire-proof shawl is broken through, the fire-proof shutoff cylinder located inside plays the second layer of protective action, fire-proof shutoff cylinder is formed by distributing a plurality of fire-proof shutoff blocks side by, the inner fireproof cloak on the inner layer plays a third layer of protection role on the cable, when the outermost fireproof cloak breaks through and enters the fireproof blocking cylinder body on the middle layer to play a protection role, the inner fireproof cloak can completely wrap the cable to prevent fire from entering the cable through the middle layer, and the arrangement of the multilayer fireproof protection structure has stable protection and good fireproof effect; the whole fireproof cloak is arranged by sealing the periphery of the fireproof cloak after the plurality of fireproof blocking cylinders are wrapped by the outer fireproof cloak and the inner fireproof cloak, and the outer fireproof cloak and the inner fireproof cloak are arranged between the adjacent groups of fireproof blocking cylinders in a sealing way.

Furthermore, the whole fireproof cloak is respectively provided with a binding band along the outer parts of two ends of the direction in which the plurality of fireproof sealing cylinders are arranged side by side, and the binding bands at the two ends are bound together or locked together by adopting a locking piece so that the whole fireproof cloak is tightly wrapped on the cable. The setting of bandage is convenient for tie up the inseparable tying up of whole fire prevention dress of putting a cape in place outside the cable.

Furthermore, outer fire prevention drape and interior fire prevention drape all include the fine cloth of fire prevention glass, the fine cloth one side of keeping away from the fire shutoff barrel of fire prevention glass is equipped with fire prevention coating layer, fire prevention coating layer is resistant type fire protection coating of waiting. The weather-resistant fireproof coating is used for enhancing the weather resistance of the fireproof cloak.

Furthermore, the fireproof plugging cylinder body is a soft square strip and is made of a polyurethane fireproof material. Polyurethane can produce carbon when burning, piles up on its foam surface, helps keeping apart the foam of oxygen and bottom, prevents that the intensity of a fire from stretching, moreover, polyurethane also can not produce harmful gas under the condition of high temperature, and is harmless to the human body, and fire behavior is good, can effectively reduce the thickness of fire prevention shutoff barrel.

As one of the preferred schemes of the utility model, the fire prevention shutoff barrel is two-sided fire prevention block, including the substrate, the upper and lower surface of substrate is equipped with the weather resistant type fire protection coating of substrate respectively. Outer fire prevention drape and interior fire prevention drape wrap up respectively on the two sides of two-sided fire prevention block to seal up inside and outside fire prevention drape between two adjacent fire prevention shutoff barrels together, be used for the intensity of a fire between the adjacent fire prevention shutoff barrel of separation to stretch, and the setting of the type fire prevention coating that the substrate is resistant to weather is carried out on two sides, makes the positive protection of substrate by the back of breaching, and the type fire prevention coating that is resistant to weather of substrate and substrate reverse side plays the guard action, strengthens the fire protection effect of fire prevention shutoff barrel.

As the second preferred scheme of the utility model, fire prevention shutoff barrel is single face fire prevention block, is located the substrate weather resistant type fire protection coating that sets up in the one side in the outside including substrate and substrate. The arrangement of the single-sided fireproof block body is combined with the arrangement of the double-sided fireproof block body, so that a user can select various options.

The utility model discloses intumescent fire protection structure compares with prior art, has following beneficial effect:

firstly, the protection is stable and the fireproof performance is good, the structure arrangement enables the outer fireproof cloak, the fireproof blocking cylinder body and the inner fireproof cloak to form three fireproof protective layers, the outer fireproof cloak can play a first layer of protection role, the outer fireproof cloak can completely bear the protection responsibility under the fire condition with lower fire behavior or temperature, when the fire behavior is larger and the time consumption is longer, the fireproof blocking cylinder body positioned inside plays a second layer of protection role after the outer fireproof cloak is broken through, the fireproof blocking cylinder body is formed by distributing a plurality of fireproof blocking block bodies side by side, the fireproof protection effect is good, the inner fireproof cloak in the inner layer plays a third layer of protection role for the cable, when the outermost fireproof cloak is broken through and enters the fireproof cylinder body in the middle layer to play a protection role, the inner fireproof blocking cloak can wrap the cable completely, and the fire behavior is prevented from entering the cable through the middle layer, the multi-layer fireproof protection structure is stable in protection and good in fireproof effect; the whole fireproof cloak is arranged by sealing the periphery of the fireproof cloak after the plurality of fireproof blocking cylinders are wrapped by the outer fireproof cloak and the inner fireproof cloak, and the outer fireproof cloak and the inner fireproof cloak are arranged between the adjacent groups of fireproof blocking cylinders in a sealing way.

Second, the weatherability is good, and the setting of the type of nai time fire prevention coating that goes on the surface of fire prevention shutoff barrel and the surface of inside and outside fire prevention overcoat can improve the weatherability of fire prevention shutoff block, is difficult for making fire prevention shutoff block take place to age and reduce even lose fire behavior under the environment of long-term high temperature or vibration.

Drawings

Fig. 1 is a schematic view of the overall structure of the expansion type fire protection structure of the present invention;

fig. 2 is a schematic cross-sectional view of the expansion type fire protection structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the fireproof blocking cylinder in FIG. 2 as a double-sided fireproof block;

fig. 4 is a schematic cross-sectional view of the fireproof blocking cylinder in fig. 2 when the fireproof blocking cylinder is a single-sided fireproof block.

Detailed Description

In the description of the present invention, it is to be understood that the terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more 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; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The following describes the expansion type fire protection structure in further detail with reference to the following embodiments and the accompanying drawings.

Referring to fig. 1 to 4, an expansion type fire protection structure includes a plurality of strip-shaped fire blocking cylinder bodies 130, the fire blocking cylinder bodies 130 are arranged side by side at intervals, the fire blocking cylinder bodies 130 are expansion and weather-resistant fire blocking cylinder bodies 130, each group of fire blocking cylinder bodies 130 is formed by a plurality of fire blocking blocks 131 arranged side by side, and the direction in which the fire blocking blocks 131 are arranged side by side and the direction in which the fire blocking cylinder bodies 130 are arranged side by side are vertically distributed. Each fireproof blocking block body 131 comprises a base material 131, a fireproof coating 132 and a weather-resistant layer 132, the base material 131 is a galvanized steel sheet base material 131 stacked in sequence, the fireproof coating 132 is a high-expansion fireproof coating 132, and the weather-resistant layer 132 is a silicone adhesive coating layer, so that the fireproof blocking block body 131 is better in tensile strength, moisture resistance, odor resistance and adaptability to cold and heat changes, and particularly better in weather resistance.

Referring to fig. 1 and 2, the upper and lower surfaces of the fire-blocking cylinder 130 are respectively wrapped with an outer fire-blocking gown 110 and an inner fire-blocking gown 120, the outer fire-blocking gown 110 and the inner fire-blocking gown 120 are respectively sealed between adjacent groups of fire-blocking cylinder 130 and the peripheral ends thereof by sewing or bonding, and a plurality of fire-blocking cylinder 130 are wrapped with the outer fire-blocking gown 110 and the inner fire-blocking gown 120 to form an integral fire-blocking gown 100 wrapped on the cable. The structure arrangement enables the outer fireproof cloak 110, the fireproof blocking cylinder 130 and the inner fireproof cloak 120 to form three fireproof protective layers for cables, so that the fireproof protection effect is enhanced.

Referring to fig. 1 and 2, the overall fire-resistant cape 100 is provided with straps 200 respectively at the outer portions of the two ends along the direction in which the plurality of fire-resistant blocking cylinders 130 are arranged side by side, and the straps 200 at the two ends are tied together or locked together by using locking members (not shown) so that the overall fire-resistant cape 100 is tightly wrapped on the cable. The provision of the binding band 200 facilitates the tight binding of the overall fire suit 100 to the outside of the cable.

Referring to fig. 1 and 2, the outer fireproof cloak 110 and the inner fireproof cloak 120 both include fireproof glass fiber cloth, one surface of the fireproof glass fiber cloth away from the fireproof plugging cylinder 130 is provided with a fireproof coating layer, the fireproof coating layer is a weather-resistant fireproof coating layer, and the weather-resistant fireproof coating layer is arranged, so that when a fire situation occurs on the fireproof cloak 100, the weather resistance of the fireproof cloak 100 is enhanced, the fireproof cloak is not easy to age and reduce or even lose the fireproof performance under a long-term high-temperature or vibrating environment, and the spreading of the fire situation is blocked at the first time, so that the fire situation is not easy to pass through the fireproof cloak 100.

Referring to fig. 1 to 4, the fireproof blocking cylinder 130 is a flexible square strip made of a polyurethane fireproof material. Polyurethane can produce carbon when burning, piles up on its foam surface, helps keeping apart the foam of oxygen and bottom, prevents that the intensity of a fire from stretching, moreover, polyurethane also can not produce harmful gas under the condition of high temperature, and is harmless to the human body, and fire behavior is good, can effectively reduce the thickness of fire prevention shutoff barrel.

Referring to fig. 3, the fireproof blocking cylinder 130 is a double-sided fireproof block, and includes a substrate 131, and the upper and lower surfaces of the substrate 131 are respectively provided with a substrate weather-resistant fireproof coating 132. The outer fireproof drape 110 and the inner fireproof drape 120 are respectively wrapped on the upper surface and the lower surface of the fireproof blocking block 131, the inner fireproof drape and the outer fireproof drape are sealed between two adjacent fireproof blocking cylinders 130 and used for blocking the fire spreading between the fireproof blocking cylinders 130, two of the base materials 131 are respectively provided with the base material weather-proof fireproof coating 132 and are combined with the base material 131 made of polyurethane fireproof material, so that the fireproof blocking cylinders 130 form a three-layer fireproof structure, the base material weather-proof fireproof coating 132 on the upper surface of the base material 131 is used for blocking the fire after passing through the outer fireproof drape 110, and the base material weather-proof fireproof coating 132 on the lower surface of the base material 131 plays a role of fireproof blocking after the fireproof function of the base material 131 fails, thereby greatly prolonging the fireproof blocking performance of the fireproof blocking cylinders 130 and simultaneously gaining time for personnel, the cable is effectively protected. Meanwhile, the weather-resistant fireproof coating 132 can improve the weather resistance of the fireproof blocking cylinder 130, and the fireproof blocking cylinder 130 is not easy to age under a long-term high-temperature or vibration environment to reduce or even lose the fireproof performance.

Referring to fig. 4, the fireproof blocking cylinder 130 may be a single-sided fireproof block, and in the case of the single-sided fireproof block, the fireproof blocking cylinder includes a base material 131 and a base material weather-resistant fireproof coating 132 disposed on one side of the base material 131 on the outer side. The arrangement of the single-sided fireproof block body is combined with the arrangement of the double-sided fireproof block body, so that a user can select various options.

Referring to fig. 1 to 4, the expansion-type fire-protection structure of the present invention employs an outer fire-protection drape 110 and an inner fire-protection drape 120 to wrap a fire-protection blocking cylinder 130 therein, and seals the periphery of the outer fire-protection drape 110 and the inner fire-protection drape 120 and between each group of fire-protection blocking cylinders 130 after the wrapping is completed to form an integral fire-protection drape 100 for wrapping a protection cable on the cable, the structural arrangement enables the outer fire-protection drape 110, the fire-protection blocking cylinder 130 and the inner fire-protection drape 120 to form three fire-protection layers, the outer fire-protection drape 110 can play a first-layer protection role, for a fire situation with a low fire situation or temperature, the outer fire-protection drape 110 can fully bear the protection responsibility, and when the fire situation is large and under a fire situation with a long time consumption, after the outer fire-protection drape 110 is broken through, the inner fire-protection blocking cylinder 130 plays a second-protection role, the fire-protection blocking cylinder 130 is formed by a plurality of fire-protection blocking blocks 131 distributed side, the fireproof protection structure has good fireproof protection effect, the inner fireproof cloak 120 of the inner layer plays a third layer of protection role on the cable, when the outermost fireproof cloak is broken through and enters the fireproof blocking cylinder 130 of the middle layer to play a protection role, the inner fireproof cloak 120 can completely wrap the cable to prevent the fire from entering the cable through the middle layer, and the multilayer fireproof protection structure is stable in protection and good in fireproof effect; the whole fireproof cloak 100 is arranged by sealing the periphery of the fireproof cloak after the plurality of fireproof blocking cylinder bodies 130 are wrapped by the outer fireproof cloak 110 and the inner fireproof cloak 120, and the adjacent groups of fireproof blocking cylinder bodies 130 are also arranged by sealing the outer fireproof cloak 110 and the inner fireproof cloak 120, so that the phenomenon that fire directly enters the inner fireproof blocking cylinder body 130 when fire occurs is effectively avoided, and the sealing arrangement between the adjacent groups of fireproof blocking cylinder bodies 130 effectively avoids the situation that fire flees between the adjacent groups of fireproof blocking cylinder bodies 130 when fire occurs, the sealing arrangement outside the fireproof cloak and the sealing arrangement between the adjacent groups of fireproof blocking cylinder bodies 130 prevent fire from spreading well, strive for time for fire fighting and rescue, and further improve the protection effect.

The above embodiments are only specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, many variations and modifications are possible without departing from the inventive concept, and such obvious alternatives fall within the scope of the invention.

Claims (7)

1. An intumescent fire protection structure, characterized in that: the fireproof sealing device comprises a plurality of strip-shaped fireproof sealing cylinder bodies, wherein the fireproof sealing cylinder bodies are distributed side by side at intervals, the upper surface and the lower surface of each fireproof sealing cylinder body are respectively wrapped with an outer fireproof cloak and an inner fireproof cloak, the outer fireproof cloak and the inner fireproof cloak are arranged between the adjacent groups of fireproof sealing cylinder bodies and the peripheral ends of the outer fireproof sealing cylinder bodies are respectively sealed in a sewing or bonding mode, a plurality of groups of fireproof sealing cylinder bodies are wrapped in the outer fireproof cloak and the inner fireproof cloak to form an integral fireproof cloak, and the wrapping is used for protecting cables on the cables.

2. The intumescent fire protection structure as claimed in claim 1, wherein said integral fire-resistant cape is provided with a binding band along the outer portion of each of the two ends of the plurality of fire-resistant sealing cylinders arranged side by side, and the binding bands at the two ends are bound together or locked together by a locking member to tightly wrap the entire fire-resistant cape around the cable.

3. The intumescent protective structure as claimed in claim 2, wherein said outer and inner fire protection mantles each comprise a fire-resistant fiberglass cloth, and a fire-resistant coating layer is provided on a side of said fire-resistant fiberglass cloth remote from said fire-resistant sealing cylinder, said fire-resistant coating layer being a weather-resistant fire-resistant coating.

4. An intumescent fire protection structure as claimed in claim 3, wherein the fire blocking cylinder is a flexible square strip.

5. The intumescent fire protection structure of claim 4, wherein said fire blocking cylinder is a double-sided fire block, comprising a substrate, and the upper and lower surfaces of said substrate are respectively provided with a substrate weather-resistant fire-retardant coating.

6. The intumescent fire protection structure of claim 5, wherein the fire blocking cylinder is a single-sided fire block comprising a substrate, and a weather-resistant fire-retardant coating is provided on the outer side of the substrate.

7. The intumescent fire protection structure as claimed in claim 5, characterized in that said substrate is made of a polyurethane fire-resistant material.

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